CN109333793B - Device for preparing foamed ceramic powder in efficient and energy-saving mode and preparation method thereof - Google Patents
Device for preparing foamed ceramic powder in efficient and energy-saving mode and preparation method thereof Download PDFInfo
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- CN109333793B CN109333793B CN201811187327.9A CN201811187327A CN109333793B CN 109333793 B CN109333793 B CN 109333793B CN 201811187327 A CN201811187327 A CN 201811187327A CN 109333793 B CN109333793 B CN 109333793B
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- 239000000843 powder Substances 0.000 title claims abstract description 60
- 239000000919 ceramic Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 351
- 230000007246 mechanism Effects 0.000 claims abstract description 159
- 238000003860 storage Methods 0.000 claims abstract description 99
- 238000002156 mixing Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000005303 weighing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 42
- 230000032683 aging Effects 0.000 claims description 35
- 239000002994 raw material Substances 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000000889 atomisation Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000007908 dry granulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/004—Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Glanulating (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a device for preparing foamed ceramic powder with high efficiency and energy saving, which comprises a main material providing mechanism, an auxiliary material providing mechanism, a main material storage mechanism connected with the main material providing mechanism, an auxiliary material storage mechanism connected with the auxiliary material providing mechanism, a mixing mechanism for mixing main materials and auxiliary materials, a staling mechanism connected with the mixing mechanism, a granulating mechanism connected with the staling mechanism and a belt scale for realizing weighing. Correspondingly, the invention also provides a method for preparing ceramic powder by using the device. According to the device for preparing the foamed ceramic powder in an efficient and energy-saving way, the main material and the auxiliary material are accurately controlled through the belt scale, and the water content is accurately controlled through the mixing mechanism, so that the main material, the auxiliary material and the water content meet the proportioning requirement of the foamed ceramic powder, the whole preparation process of the ceramic powder is not required to be dried, drying equipment is not required to be arranged, the field is saved, harmful gas is not discharged, and the device is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of ceramic powder processing equipment, in particular to a device for preparing foamed ceramic powder with high efficiency and energy conservation and a preparation method thereof.
Background
The existing ceramic powder preparation method is generally in two modes, one is a wet ball milling and spray drying mode, and the working process of the mode comprises the steps of proportioning, water adding grinding, slurry storage tank homogenization, drying granulation, powder bin storage and the like in sequence. The other mode is a dry granulation mode, and the working process of the dry granulation mode comprises the steps of raw material independent storage, burdening, preliminary mixing, grinding, water adding and remixing, fluidized bed drying granulation, powder storage bin storage and the like.
The two modes all have a common work flow of drying, equipment for drying occupies a certain production field, and in the drying process, a large amount of sulfur dioxide and nitrate can be generated, the environment is polluted, desulfurization and denitrification treatment is needed in the later stage, and the production cost is high.
Based on this, there is a need to provide a device that does not require a drying process and equipment to solve the above-mentioned problems.
The invention provides a device for preparing foamed ceramic powder with high efficiency and energy saving and a preparation method thereof, which can accurately control the moisture content, achieve the aim of dry powder preparation, save the field without drying in the whole process and can not discharge harmful gas.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for preparing foamed ceramic powder with high efficiency and energy saving and a preparation method thereof, which are used for accurately controlling the moisture content, achieving the purpose of dry powder preparation, saving the field without drying in the whole process and discharging harmful gas.
In order to solve the technical problems, the invention provides a device for preparing foamed ceramic powder with high efficiency and energy saving, which comprises a main material providing mechanism, an auxiliary material providing mechanism, a main material storage mechanism connected with the main material providing mechanism, an auxiliary material storage mechanism connected with the auxiliary material providing mechanism, a mixing mechanism for mixing the main material and the auxiliary material, a staling mechanism connected with the mixing mechanism, a granulating mechanism connected with the staling mechanism and a belt scale for realizing weighing, wherein the main material storage mechanism is connected with the auxiliary material providing mechanism;
the main material storage mechanism at least comprises a main material storage bin and a first main material feeder for realizing discharging, wherein the main material discharged by the first main material feeder falls onto a belt scale, and the belt scale weighs the main material;
The auxiliary materials discharged by the auxiliary material storage mechanism fall onto a belt scale, and the belt scale weighs the auxiliary materials.
Preferably, the main material supply mechanism comprises a feeding hopper, a conveyor, a pulverizer and a negative pressure dust collector which are sequentially arranged;
the conveyor is connected with the feeding hopper and the pulverizer in a conveying way;
The negative pressure dust collector is connected with the pulverizer and the main material storage mechanism, and the pulverizer is used for conveying the pulverized raw materials into the main material storage mechanism through the negative pressure dust collector after pulverizing the raw materials into fine powder;
The bottom of the negative pressure dust collector is provided with a spiral discharging valve and a second main material feeder.
Preferably, the main material storage mechanism further comprises a third main material feeder positioned above the main material storage bin and a main material elevator connected with the main material supply mechanism and the third main material feeder;
the third main material feeder is positioned above the main material storage bin and is used for distributing main materials into the main material storage bin, and is a U-shaped screw feeder;
The main material lifting machine is connected with the main material providing mechanism and the third main material feeding machine.
Preferably, the auxiliary material providing mechanism comprises an auxiliary material ton bag, a movable lifting bin and a feeding crane connected with the movable lifting bin;
After the auxiliary materials in the auxiliary material ton bag are placed in the movable lifting bin, the feeding crane drives the movable lifting bin to move to the upper part of the auxiliary material storage mechanism, and the auxiliary materials are added into the auxiliary material storage mechanism.
Preferably, the auxiliary material storage mechanism comprises an auxiliary material storage bin and a discharging port located below the auxiliary material storage bin, and the discharging port is located above the belt scale.
Preferably, the mixing mechanism comprises a mixing conveyer belt, a mixing lifting machine connected with the mixing conveyer belt, a humidifying mixer positioned at the tail end of the mixing lifting machine and a mixing feeder positioned at the bottom of the humidifying mixer, wherein the mixing conveyer belt is positioned at the tail end of the belt scale;
the humidifying mixer is a double-shaft paddle humidifying mixer.
Preferably, the ageing mechanism comprises an ageing lifter, a distributor below the ageing lifter and an ageing bin below the distributor;
The stale elevator is connected with the mixing feeder;
The material distributor is a U-shaped spiral material distributor.
Preferably, the granulating mechanism comprises a granulating lifter, a granulator connected with the granulating lifter, a crushing mechanism connected with the granulator and a sieve plate positioned below the crushing mechanism;
The granulation lifting machine is connected with the staling mechanism.
Preferably, the dust collector also comprises a filter cylinder type dust collector;
The number of the filter cartridge type dust collectors is two, and the filter cartridge type dust collectors are respectively a first dust collector arranged on one side of the belt scale and a second dust collector arranged on one side of the granulating mechanism.
A method for preparing ceramic powder by using the device, which comprises the following steps:
S1, providing a main material, and conveying main material fine powder into a main material storage mechanism through a main material providing mechanism;
S2, providing auxiliary materials, and conveying the auxiliary materials into the auxiliary material storage mechanism through the auxiliary material providing mechanism;
S3, weighing the main materials, namely releasing the main material fine powder in the main material storage bin onto a belt scale, weighing the main materials by the belt scale, and closing a first main material feeder when the weight of the main materials on the belt scale reaches a preset weight, and stopping releasing the main materials;
S4, weighing the auxiliary materials, namely releasing the auxiliary materials in the auxiliary material storage mechanism to a belt scale, weighing the auxiliary materials by the belt scale, and closing a discharging hole and stopping releasing the auxiliary materials when the weight of the auxiliary materials on the belt scale reaches a preset weight;
s5, humidifying and mixing, namely, receiving main materials and auxiliary materials on the belt scale through a mixing mechanism, and sequentially carrying out primary mixing, atomization, water adding mixing and secondary mixing;
s6, ageing, namely ageing the mixture of the water, the main materials and the auxiliary materials through the ageing mechanism;
S7, granulating, namely rolling and granulating the mixed raw materials through the granulating mechanism to obtain foam ceramic powder with the required particle size.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the device for preparing the foamed ceramic powder in an efficient and energy-saving way, the main material and the auxiliary material are accurately controlled through the belt scale, and the water content is accurately controlled through the mixing mechanism, so that the main material, the auxiliary material and the water content meet the proportioning requirement of the foamed ceramic powder, the whole preparation process of the ceramic powder is not required to be dried, drying equipment is not required to be arranged, the field is saved, harmful gas is not discharged, and the device is energy-saving and environment-friendly.
2. The invention provides a device for preparing foamed ceramic powder in a high-efficiency and energy-saving way, which comprises two filter cylinder type dust collectors, wherein the number of the filter cylinder type dust collectors is two, and the filter cylinder type dust collectors are respectively a first dust collector arranged on one side of a belt scale and a second dust collector arranged on one side of a granulating mechanism.
3. According to the preparation method of the foamed ceramic powder, the addition amount of the main material, the auxiliary material and the water is accurately controlled, so that the whole preparation process is realized without drying, the production efficiency is improved, harmful gas is not discharged, and the method is energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an apparatus for preparing foamed ceramic powder with high efficiency and energy saving;
Fig. 2 is an enlarged view of a portion a in fig. 1;
FIG. 3 is a schematic diagram of a part of an enlarged structure of a device for preparing foamed ceramic powder with high efficiency and energy saving, which is provided by the invention, and is used for representing a specific structure of a main material storage mechanism;
FIG. 4 is a schematic view of a part of an enlarged structure of the device for preparing foamed ceramic powder with high efficiency and energy saving, which is provided by the invention, and is used for representing specific structures of an auxiliary material providing mechanism, an auxiliary material storing mechanism and a mixing mechanism;
FIG. 5 is a schematic diagram of a partial enlarged structure of the device for preparing foamed ceramic powder with high efficiency and energy saving, which is provided by the invention, and is used for representing the specific structures of a staling mechanism and a granulating mechanism;
FIG. 6 is a flow chart of a method for preparing the ceramic foam powder provided by the invention.
Detailed Description
In order to better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-5, the device for preparing the foam ceramic powder with high efficiency and energy saving comprises a main material providing mechanism 1, an auxiliary material providing mechanism 2, a main material storage mechanism 3 connected with the main material providing mechanism 1, an auxiliary material storage mechanism 4 connected with the auxiliary material providing mechanism 2, a mixing mechanism 5 for mixing the main material and the auxiliary material, a staling mechanism 6 connected with the mixing mechanism 5, a granulating mechanism 7 connected with the staling mechanism 6 and a belt scale 8 for realizing weighing;
The main material storage mechanism 3 at least comprises a main material storage bin 31 and a first main material feeder 32 for realizing discharging, wherein the main material discharged by the first main material feeder 32 falls onto a belt scale 8, and the belt scale 8 weighs the main material;
The auxiliary materials discharged by the auxiliary material storage mechanism 4 fall onto the belt balance 8, and the belt balance 8 weighs the auxiliary materials.
As shown in fig. 1 and 2, the main material providing mechanism 1 is configured to provide main materials, and includes a feeding hopper 11, a conveyor 12 and a pulverizer 13, which are sequentially disposed, the feeding hopper 11 is configured to feed raw materials, the conveyor 12 is configured to convey raw materials fed through the feeding hopper 11, and is connected to the feeding hopper 11 and the pulverizer 13, and the pulverizer 13 is configured to pulverize the raw materials into fine powder, so that the foamed ceramic powder can be smoothly produced.
Here, since the raw materials are ground in a dry state, larger dust is generated in the process, and the working environment of the production workshop is affected due to overflow of the dust, and the main material supply mechanism 1 further comprises a negative pressure dust collector 14, and the dust of the raw material fine powder is absorbed by the arrangement of the negative pressure dust collector 14, so that the dust is prevented from leaking out, and the working environment of the production workshop is affected. The negative pressure dust collector 14 is connected with the pulverizer 13 and the main material storage mechanism 3, and after the pulverizer 13 grinds the raw materials into fine powder, the fine powder is conveyed to the inside of the main material storage mechanism 3 through the negative pressure dust collector 14, so that temporary storage of the fine powder of the main material is realized.
In order to facilitate smooth being discharged and entering of raw material fine powder into the main material storage mechanism 3, a spiral discharging valve 15 and a second main material feeder 16 are further arranged at the bottom of the negative pressure dust collector 14, after the raw material fine powder in the negative pressure dust collector 14 is sent out through the spiral discharging valve 15, the raw material fine powder is sent to the main material storage mechanism 3 through the second main material feeder 16, and the raw material fine powder ground by the grinding mill 13 smoothly passes through the negative pressure dust collector 14 and enters the main material storage mechanism 3.
As shown in fig. 3, the main material storage mechanism 3 is configured to implement temporary storage of main materials, and includes a main material storage bin 31, a first main material feeder 32 for implementing discharging, a third main material feeder 33 located above the main material storage bin 31, and a main material lifter 34 connected to the main material supply mechanism 1 and the third main material feeder 33, where the main material storage bin 31 is configured to implement temporary storage of main materials, and the first main material feeder 32 is located below the main material storage bin 31, and is configured to discharge main materials inside the main material storage bin 31 onto the belt scale 8, to implement weighing of the main materials, and further implement precise control of main material raw material proportioning.
The third main material feeder 33 is located above the main material storage bin 31, and is configured to distribute the main material into the main material storage bin 31, which is a U-shaped screw feeder, and the main material in the main material elevator 34 is distributed into the main material storage bin 31 by the third main material feeder 33. Here, because the demand of the main material is great, it is often provided that one main material storage bin 31 cannot meet the production demand, so the number of main material storage bins 31 is at least one, and the third main material feeder 33 is located above all the main material storage bins 31, so that all the main material storage bins 31 can receive the main material discharged by the third main material feeder 33.
The main material lifting machine 34 is connected with the main material providing mechanism 1 and the third main material feeder 33, so that the main material in the main material providing mechanism 1 is conveniently transferred to the third main material feeder 33, and normal supply of the main material is realized. In this embodiment, the main material elevator 34 is a bucket elevator.
As shown in fig. 4, the auxiliary material providing mechanism 2 is configured to provide auxiliary materials, the auxiliary material providing mechanism 2 includes an auxiliary material ton bag (not shown in the drawing), a movable lifting bin 21, and a feeding crane 22 connected to the movable lifting bin 21, the auxiliary materials inside the auxiliary material ton bag are placed inside the movable lifting bin 21, the feeding crane 22 drives the movable lifting bin 21 to move above the corresponding auxiliary material storage mechanism 4, and the auxiliary materials are added into the auxiliary material storage mechanism 4, so as to temporarily store the auxiliary materials.
The auxiliary material storage mechanism 4 is used for realizing temporary storage of auxiliary materials, and is located below the feeding crane 22, so that auxiliary materials in the movable lifting bin 21 are conveniently added into the auxiliary material storage mechanism 4 for temporary storage. Since the number of auxiliary materials in the raw material of the foamed ceramic is often more than one, the specific number of auxiliary materials is determined by the actual formulation of the foamed ceramic, and the number of the auxiliary material storage mechanisms 4 is greater than or equal to the number of the auxiliary materials, in this embodiment, the number of the auxiliary material storage mechanisms 4 is equal to the number of the auxiliary material types, and each auxiliary material is placed in one auxiliary material storage mechanism 4.
The auxiliary material storage mechanism 4 includes auxiliary material storage bin 41 and is located the drain hole 42 of auxiliary material storage bin 41 below, drain hole 42 is located the top of belt weigher 8, the inside auxiliary material of auxiliary material storage mechanism 4 of being convenient for is passed through drain hole 42 emits the back and falls into on the belt weigher 8, realizes weighing of auxiliary material, further realizes the accurate control of auxiliary material raw materials ratio.
The mixing mechanism 5 is used for mixing main materials and auxiliary materials, and comprises a mixing conveyer belt 51, a mixing lifting machine 52 connected with the mixing conveyer belt 51, a humidifying mixer 53 positioned at the tail end of the mixing lifting machine 52 and a mixing feeder 54 positioned at the bottom of the humidifying mixer 53, wherein the mixing conveyer belt 51 is positioned at the tail end of the belt scale 8 and is used for receiving the main materials and the auxiliary materials positioned on the belt scale 8, conveying the main materials and the auxiliary materials to the inside of the mixing lifting machine 52, and placing the main materials and the auxiliary materials into the inside of the humidifying mixer 53 through the mixing lifting machine 52. The humidifying mixer 53 is used for mixing main materials, auxiliary materials and water, and is a double-shaft paddle humidifying mixer. The mixer feeder 54 is used for releasing the mixed main materials, auxiliary materials and water. In the working process, the main materials and the auxiliary materials which are conveyed in are mixed for one time, the one-time mixing time is preset time, then atomized water adding is carried out, in the atomized water adding process, the mixing action is continuously carried out, the water adding amount is controlled through the flow rate and time of the atomized water adding, when the water adding amount is added to the preset amount, the water adding is stopped, the preset time is mixed again, the obtained mixed raw materials are released into the ageing mechanism through the humidifying feeder.
Here, the time of primary mixing, atomizing and water adding mixing and remixing is the preset time, in this embodiment, the primary mixing time is 3-5 minutes, the atomizing and water adding mixing time is 1-3 minutes, and the remixing time is 5-7 minutes. Here, mixing time is too short, then unable intensive mixing, and mixing time overlength then influences production efficiency, so adopts above-mentioned parameter, when improving production efficiency, guarantees that inside water, the main material of mixing mechanism and auxiliary material can intensive mixing, guarantees its quality of making foam ceramics. On the other hand, when the solid materials are mixed once, two or more solid materials are mixed evenly, and then atomized and mixed with water, so that water is slowly added into the materials, and finally, the materials are mixed again, the mixing efficiency is improved, and the mixing effect is ensured.
As shown in fig. 5, the ageing mechanism 6 is configured to ageing the mixed raw materials to ensure that the water content of the mixed raw materials is uniform, and includes an ageing lifter 61, a distributor 62 located below the ageing lifter 61, and an ageing bin 63 located below the distributor 62, where the ageing lifter 61 is connected to the mixer feeder 54, so as to convey the mixed raw materials output by the mixer feeder 54 to the inside of the distributor 62, and implement loading of the ageing bin 63, the distributor 62 is a U-shaped spiral distributor and is located above the ageing bin 63, and in order to meet the actual production requirement, the number of ageing bins 63 is at least one, and the distributor 62 is located above all the ageing bins 63, so that each ageing bin 63 can receive the mixed raw materials. The time for the mixed raw material to be aged in the aging bin 63 is set according to the actual situation, and the mixed raw material which does not need to be aged can be directly conveyed into the granulating mechanism 7.
The granulating mechanism 7 is used for carrying out rolling granulation on the mixed raw materials, and is convenient to operate intuitively and control granularity through hydraulic pressure adjustment. The granulating mechanism 7 comprises a granulating lifter 71, a granulator 72 connected with the granulating lifter 71, a crushing mechanism 73 connected with the granulator 72 and a screen plate positioned below the crushing mechanism 73, wherein the granulating lifter 71 is connected with the ageing mechanism 6, mixed raw materials in the ageing mechanism 6 are conveyed into the granulator 72, the mixed raw materials are granulated through the crushing mechanism 73, and the granulated mixed raw materials fall from the screen holes of the screen plate to obtain foamed ceramic powder with required particle size.
The mesh size of the screen plate is selected according to the actual granularity of granulation, and in this embodiment, the granularity of granulation is 85-90% and the particle size is 20-80 mesh, so the size of the screen plate is 10-15 mesh.
The belt scale 8 is used for weighing main materials and auxiliary materials, and can extend from the main material storage mechanism 3 to the auxiliary material storage mechanism 4, and is used for weighing the main materials at first and then the auxiliary materials after the main materials are weighed. In other embodiments, at least two belt scales 8 may be provided, and the main material is weighed by one belt scale 8, and the auxiliary material is weighed by another at least one belt scale 8. According to the invention, the main materials and the auxiliary materials are weighed through the belt scale 8, so that the accurate control of the main materials and the auxiliary materials is realized, and the accurate control of the proportion of the foamed ceramic raw materials is ensured.
Because the main materials and the auxiliary materials entering the mixing conveyor belt are solid powder, more dust is generated, and more dust is generated in the granulating process, in order to prevent the dust from overflowing and affecting the working environment of a production workshop, the device for preparing the foamed ceramic powder efficiently and energy-saving further comprises two filter cylinder type dust collectors 9, wherein the number of the filter cylinder type dust collectors 9 is two, namely a first dust collector arranged on one side of the belt scale and a second dust collector arranged on one side of the granulating mechanism.
Correspondingly, as shown in fig. 6, the invention also provides a preparation method of the foam ceramic powder, which comprises the following steps:
s1, providing a main material, and conveying main material fine powder into the main material storage mechanism 3 through the main material providing mechanism 1.
The main material raw materials are put into the feeding hopper 11, are transmitted to the mill 13 through the conveyor 12, the mill 13 grinds the main material raw materials into fine powder to obtain main material fine powder, and the main material fine powder is conveyed into the main material storage bin through the main material lifting machine to be temporarily stored.
S2, providing auxiliary materials, and conveying the auxiliary materials to the inside of the auxiliary material storage mechanism 4 through the auxiliary material providing mechanism 2.
The auxiliary materials in the auxiliary material ton bags are placed in the movable lifting bin 21, the movable lifting bin 21 is driven to the upper part of the auxiliary material storage mechanism 4 through the feeding crane 22, and the auxiliary materials are added into the auxiliary material storage mechanism 4 for temporary storage.
It should be noted that, there is no sequence between the step S1 and the step S2, and the step S1 and the step S2 may be performed simultaneously, or may be performed step by step, and the sequence of the step S1 and the sequence of the step S2 may be specifically selected according to actual needs.
S3, weighing the main materials, releasing the main materials in the main material storage bin 31 onto the belt scale 8 through the first main material feeder 32, weighing the main materials by the belt scale 8, and closing the first main material feeder 32 when the weight of the main materials on the belt scale 8 reaches the preset weight, and stopping releasing the main materials.
S4, weighing auxiliary materials, releasing the auxiliary materials in the auxiliary material storage bin 41 to the belt scale 8 through the discharging hole 42, weighing the auxiliary materials by the belt scale 8, and closing the discharging hole 42 when the weight of the auxiliary materials on the belt scale 8 reaches the preset weight, and stopping releasing the auxiliary materials.
It should be noted that, there is no sequence between the step S3 and the step S4, and the step S3 and the step S4 may be performed simultaneously or may be performed step by step, and the sequence of the step S3 and the sequence of the step S4 are specifically selected according to actual needs.
S5, humidifying and mixing, namely, receiving the main materials and the auxiliary materials on the belt scale 8 through the mixing conveyor belt 51, mixing and conveying the main materials and the auxiliary materials to the mixing elevator 52, and conveying the mixture of the main materials and the auxiliary materials to the humidifying and mixing machine 53 through the mixing elevator 52 for mixing.
The specific mixing step comprises the following substeps:
s51, mixing the main material and the auxiliary material through a humidifying mixer 53, wherein the mixing time is preset, and in the embodiment, the mixing time is 3-5 minutes, specifically 3.5 minutes, 4 minutes or 4.5 minutes.
S52, adding water into the humidification mixer in an atomization manner, wherein mixing action is continuously performed in the atomization water adding process, and the time of mixing the atomization water is preset, in this embodiment, the time of mixing the atomization water is 1-3 minutes, specifically 1.5 minutes, 2 minutes or 2.5 minutes.
S53, after the atomization and water addition are mixed, the mixture of the water, the main materials and the auxiliary materials is mixed again, wherein the time for the re-mixing is preset, and in the embodiment, the time for the re-mixing is 5-7 minutes, specifically 5.5 minutes, 6 minutes or 6.5 minutes.
S6, ageing, namely ageing the mixture of the water, the main materials and the auxiliary materials through the ageing mechanism 6 to ensure that the mixture of the water, the main materials and the auxiliary materials is uniformly mixed, wherein the ageing time is preset time, and in the embodiment, the ageing time is 0-2 days, specifically 0 day, 0.5 day, 1 day, 1.5 day or 2 days.
It should be noted that when the aging time is 0 days, that is, the mixture of water, main material and auxiliary material is not required to be aged, the next step is directly performed.
S7, granulating, wherein the mixed raw materials are subjected to rolling granulation through the granulating mechanism 7, the mixture of water, main materials and auxiliary materials is conveyed into the granulator through a granulating lifter 71, a crushing mechanism 73 connected with the granulator 72 is used for crushing and granulating, and granules with the particle size meeting the requirement fall through sieve holes on a sieve plate to obtain foamed ceramic powder with the required particle size.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (5)
1. The device for preparing the foam ceramic powder with high efficiency and energy saving is characterized by comprising a main material providing mechanism, an auxiliary material providing mechanism, a main material storage mechanism connected with the main material providing mechanism, an auxiliary material storage mechanism connected with the auxiliary material providing mechanism, a mixing mechanism for mixing the main material and the auxiliary material, a staling mechanism connected with the mixing mechanism, a granulating mechanism connected with the staling mechanism and a belt scale for realizing weighing, wherein the main material storage mechanism is connected with the auxiliary material providing mechanism;
the main material storage mechanism at least comprises a main material storage bin and a first main material feeder for realizing discharging, wherein the main material discharged by the first main material feeder falls onto a belt scale, and the belt scale weighs the main material;
the auxiliary materials discharged by the auxiliary material storage mechanism fall onto a belt scale, and the belt scale weighs the auxiliary materials;
the main material supply mechanism comprises a feeding hopper, a conveyor, a pulverizer and a negative pressure dust collector which are sequentially arranged;
the conveyor is connected with the feeding hopper and the pulverizer in a conveying way;
The negative pressure dust collector is connected with the pulverizer and the main material storage mechanism, and the pulverizer is used for conveying the pulverized raw materials into the main material storage mechanism through the negative pressure dust collector after pulverizing the raw materials into fine powder;
the bottom of the negative pressure dust collector is provided with a spiral discharging valve and a second main material feeder;
the granulating mechanism comprises a granulating lifting machine, a granulator connected with the granulating lifting machine, a crushing mechanism connected with the granulator and a sieve plate positioned below the crushing mechanism;
the granulation lifting machine is connected with the staling mechanism;
the auxiliary material providing mechanism comprises an auxiliary material ton bag, a movable lifting bin and a feeding crane connected with the movable lifting bin;
After the auxiliary materials in the auxiliary material ton bag are placed in the movable lifting bin, the feeding crane drives the movable lifting bin to move to the position above the auxiliary material storage mechanism, and the auxiliary materials are added into the auxiliary material storage mechanism;
The mixing mechanism comprises a mixing conveyer belt, a mixing lifting machine connected with the mixing conveyer belt, a humidifying mixer positioned at the tail end of the mixing lifting machine and a mixing feeder positioned at the bottom of the humidifying mixer, wherein the mixing conveyer belt is positioned at the tail end of the belt scale;
The humidifying mixer is a double-shaft paddle humidifying mixer; the ageing mechanism comprises an ageing elevator, a material distributor positioned below the ageing elevator and an ageing bin positioned below the material distributor;
The stale elevator is connected with the mixing feeder;
The material distributor is a U-shaped spiral material distributor.
2. The apparatus for efficient and energy-saving preparation of ceramic foam powder according to claim 1, wherein the main material storage mechanism further comprises a third main material feeder located above the main material storage bin and a main material elevator connecting the main material supply mechanism and the third main material feeder;
the third main material feeder is positioned above the main material storage bin and is used for distributing main materials into the main material storage bin, and is a U-shaped screw feeder;
The main material lifting machine is connected with the main material providing mechanism and the third main material feeding machine.
3. The apparatus for efficient and energy-saving preparation of ceramic foam powder according to claim 1, wherein the auxiliary material storage mechanism comprises an auxiliary material storage bin and a discharging opening positioned below the auxiliary material storage bin, and the discharging opening is positioned above the belt scale.
4. The apparatus for preparing foamed ceramic powder with high efficiency and energy saving according to claim 1, further comprising a filter cartridge type dust collector;
The number of the filter cartridge type dust collectors is two, and the filter cartridge type dust collectors are respectively a first dust collector arranged on one side of the belt scale and a second dust collector arranged on one side of the granulating mechanism.
5. A method for preparing ceramic powder using the apparatus of any one of claims 1 to 4, comprising the steps of:
S1, providing a main material, and conveying main material fine powder into a main material storage mechanism through a main material providing mechanism;
S2, providing auxiliary materials, and conveying the auxiliary materials into the auxiliary material storage mechanism through the auxiliary material providing mechanism;
S3, weighing the main materials, namely releasing the main material fine powder in the main material storage bin onto a belt scale, weighing the main materials by the belt scale, and closing a first main material feeder when the weight of the main materials on the belt scale reaches a preset weight, and stopping releasing the main materials;
S4, weighing the auxiliary materials, namely releasing the auxiliary materials in the auxiliary material storage mechanism to a belt scale, weighing the auxiliary materials by the belt scale, and closing a discharging hole and stopping releasing the auxiliary materials when the weight of the auxiliary materials on the belt scale reaches a preset weight;
s5, humidifying and mixing, namely, receiving main materials and auxiliary materials on the belt scale through a mixing mechanism, and sequentially carrying out primary mixing, atomization, water adding mixing and secondary mixing;
s6, ageing, namely ageing the mixture of the water, the main materials and the auxiliary materials through the ageing mechanism;
S7, granulating, namely rolling and granulating the mixed raw materials through the granulating mechanism to obtain foam ceramic powder with the required particle size.
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| CN116982518A (en) * | 2023-09-25 | 2023-11-03 | 淄博隆泰机械科技有限公司 | Automatic control system and production method for accurate quantitative proportioning of edible fungus base material |
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| CN103566818A (en) * | 2013-10-17 | 2014-02-12 | 陕西科技大学 | Architectural ceramic blank dry-method prilling device and method |
| CN205760997U (en) * | 2016-05-25 | 2016-12-07 | 苏州铭冠软件科技有限公司 | A kind of industrialization automatic batching system |
| CN209466445U (en) * | 2018-10-12 | 2019-10-08 | 佛山市德力泰科技有限公司 | A kind of energy-efficient device for preparing foamed ceramics powder |
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| CN101480813A (en) * | 2009-01-08 | 2009-07-15 | 罗明坚 | Cleaning energy-saving processing technique of ceramic raw material dry powder prilling |
| CN103406988B (en) * | 2013-08-28 | 2016-01-13 | 曹丽娜 | The production system of pottery plate |
| CN105536643A (en) * | 2015-12-16 | 2016-05-04 | 佛山市博晖机电有限公司 | Ceramic powder granulation processing device |
| CN207401575U (en) * | 2017-09-25 | 2018-05-25 | 桂林鸿程矿山设备制造有限责任公司 | Ceramic batch dry method powder granulation drying production line |
| CN108031541B (en) * | 2017-12-13 | 2020-04-28 | 宁波荣山新型材料有限公司 | Perlite ore sand semi-wet production line and production process thereof |
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| CN103566818A (en) * | 2013-10-17 | 2014-02-12 | 陕西科技大学 | Architectural ceramic blank dry-method prilling device and method |
| CN205760997U (en) * | 2016-05-25 | 2016-12-07 | 苏州铭冠软件科技有限公司 | A kind of industrialization automatic batching system |
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