CN112577265A - Novel drying box - Google Patents
Novel drying box Download PDFInfo
- Publication number
- CN112577265A CN112577265A CN201910927981.7A CN201910927981A CN112577265A CN 112577265 A CN112577265 A CN 112577265A CN 201910927981 A CN201910927981 A CN 201910927981A CN 112577265 A CN112577265 A CN 112577265A
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- box body
- plate
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- flow fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a novel drying box which comprises a box body, an air blower arranged on the outer wall of the box body and a heating device arranged in the box body, wherein a box door is arranged on one side wall of the box body, an inner side plate parallel to the side wall where the box door is arranged in the box body so as to divide the inner part of the box body into a function cabin close to the box door and a negative pressure cabin far away from the box door, a horizontal inner top plate is arranged in the function cabin so as to divide the function cabin into a drying cabin at the lower part and a positive pressure cabin at the upper part, the drying cabin is just opposite to the box door, an air inlet of the air blower is communicated with the negative pressure cabin, an air outlet of the air blower is communicated with the positive pressure cabin, a plurality of air nozzles communicated with the positive pressure cabin and the drying cabin are arranged on the lower surface. The invention can shorten the drying time of the materials and save energy.
Description
Technical Field
The invention relates to the field of drying devices. More particularly, the present invention relates to a novel drying box.
Background
In the permanent magnet course of working, the material need wash with clean surface, however need dry the material after the washing, whether the person's material rusts easily in the transportation save process, current stoving method generally directly shelves the material on the objective table, weather with hot-blast pot, but the material is difficult to weather with objective table contact site, and the objective table is in open environment, calorific loss is serious, the section of thick bamboo area of blowing is little, many materials cover can not, it bloies to need to spend long-time removal hot-blast pot, low working efficiency.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a novel drying box which can shorten the drying time of materials and save energy.
To achieve these objects and other advantages in accordance with the purpose of the invention, a new drying box is provided, which comprises a box body, a blower arranged on the outer wall of the box body and a heating device arranged in the box body, a box door is arranged on one side wall of the box body, an inner side plate parallel to the side wall of the box door is arranged in the box body, so as to divide the inner part of the box body into a function cabin close to the box door and a negative pressure cabin far away from the box door, a horizontal inner top plate is arranged in the function cabin, so as to divide the functional bin into a drying bin at the lower part and a positive pressure bin at the upper part, the drying bin is over against the bin door, the air inlet of the blower is communicated with the negative pressure bin, the air outlet of the blower is communicated with the positive pressure bin, the lower surface of the inner top plate is provided with a plurality of air nozzles communicated with the positive pressure bin and the drying bin, and the lower part of the inner side plate is provided with a plurality of air holes communicated with the drying bin and the negative pressure bin;
wherein, the part that the box bottom plate is in the negative pressure storehouse is equipped with the negative pressure air intake of adjustable aperture, the air-blower with be equipped with the malleation air exit of adjustable aperture on the tuber pipe of malleation storehouse intercommunication, heating device locates in the stoving storehouse.
Preferably, the heating device includes:
the object stage consists of a horizontal object carrying steel plate and a support column connected between the object carrying steel plate and the bottom plate of the box body;
the heating pipe is fixedly arranged on the lower surface of the carrying steel plate;
wherein, a plurality of tuyeres all just are to carrying the thing steel sheet.
Preferably, the air nozzle is a universal adjustable spherical nozzle.
Preferably, a high-temperature-resistant explosion-proof illuminating lamp is arranged in the drying bin.
Preferably, a temperature sensor is further arranged on the lower surface of the loading steel plate.
Preferably, an air diffuser is arranged at an outlet of an air pipe of the blower, which is communicated with the positive pressure bin.
Preferably, the inner wall of the box body is covered with a high-temperature-resistant heat-insulating material layer.
Preferably, a bracket for supporting the box body is arranged below the box body.
Preferably, a cross-flow fan parallel to the inner side plate is horizontally arranged in the negative pressure bin, one end of a rotating shaft of the cross-flow fan is rotatably connected to the inner side wall of the box body, the other end of the rotating shaft penetrates out of the box body and is connected with a driving motor, the driving motor is fixed on the outer side wall of the box body, and the top of the cross-flow fan is equal to the top of the air hole at the highest position on the inner side plate in height;
a curved plate with a concave surface facing the cross-flow fan is arranged below the cross-flow fan, a gap is reserved between one side of the curved plate and the inner side plate, the other side of the curved plate is connected to the inner wall of the box body opposite to the box door, and the gap between the curved plate and the cross-flow fan is gradually increased in the direction away from the inner side plate, so that the curved plate and the inner wall of the box body opposite to the box door jointly form an air duct of the cross-flow fan;
a horizontal first guide plate is arranged above the cross-flow fan, one side of the first guide plate is connected to the inner side plate, the other side of the first guide plate is positioned above the center of the cross-flow fan, the other side of the first guide plate is connected with a second guide plate, the second guide plate is positioned between the cross-flow fan and the first guide plate, the second guide plate is inclined towards the side wall of the box body opposite to the box door, and the second guide plate is arranged along the tangential direction of the cross-flow fan;
the lower surface of the curved plate is provided with an S-shaped condensing pipe, the inlet end and the outlet end of the condensing pipe penetrate out of the side wall of the box body, and cooling water is introduced into the condensing pipe;
and the lowest point of the curved plate is provided with a liquid guide hole, the lower surface of the curved plate is connected with a liquid guide hose through the liquid guide hole, and the liquid guide hose penetrates out of the box body.
Preferably, the edge of the curved plate close to the inner side wall is connected with a third guide plate, the third guide plate is positioned below the curved plate and inclines towards the box side wall opposite to the box door, and the lower edge of the third guide plate is connected with the lower edge of the box side wall opposite to the box door.
The invention at least comprises the following beneficial effects: the hot air circulation can be realized, high-speed air flow is sprayed to the carrying steel plate through the air nozzles to take away heat, the stroke is circularly heated, the temperature is quickly raised, and the heat is preserved through the box body; through adjusting the positive pressure air outlet and the negative pressure air inlet which are arranged at the positive pressure section and the negative pressure section, the box body can exhaust waste gas and supplement fresh air. Compared with the traditional hot air cylinder, the novel drying box provided by the invention can save 50% of electric energy and shorten the drying time to two thirds.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic front structural view of a drying box according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a drying box according to an embodiment of the present invention;
fig. 3 is a schematic side view of a drying box according to another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in figures 1-3, the invention provides a novel drying box, which comprises a box body 1, a blower 2 arranged on the outer wall of the box body 1 and a heating device arranged inside the box body 1, wherein a door 3 is arranged on one side wall of the box body 1, the door 3 does not completely cover the whole side wall of the box body 1, but a window is arranged on the side wall, a hinge and the door 3 which can just cover the window are connected with one vertical edge of the window, an inner side plate 4 parallel to the side wall where the door 3 is arranged in the box body 1 so as to divide the inside of the box body 1 into a functional bin close to the door 3 and a negative pressure bin far away from the door 3, the inner side plate 4 is closer to the inner wall of the box body 1 opposite to the door 3 so that the volume of the functional bin is larger than that of the negative pressure bin, a horizontal inner top plate 5 is arranged in the functional bin so as to divide the functional bin into a drying, the inner top plate 5 is closer to the top of the box body 1, so that the volume of the drying bin is larger than that of the positive pressure bin, the drying bin is opposite to the box door 3, the air inlet of the air blower 2 is communicated with the negative pressure bin, the air outlet of the air blower 2 is communicated with the positive pressure bin, the air blower 2 is connected with the outer wall of the top plate of the box body 1, a first through hole is formed in the part, located in the range of the negative pressure bin, of the top plate of the box body 1, the air inlet of the air blower 2 is connected with the first through hole, a second through hole is formed in the part, located in the range of the positive pressure bin, of the top plate of the box body 1, an air pipe 6 is connected outside the air outlet of the air blower 2, the other end of the air pipe 6 is connected with the second through hole, a plurality of air nozzles 7 for communicating the positive pressure bin and the drying bin are arranged, here, the lower portion of the inner side plate 4 refers to the lower portion of the inner side plate 4 located within the drying compartment;
wherein, the part that box 1 bottom plate is in the negative pressure storehouse is equipped with adjustable aperture's negative pressure air intake 9, air-blower 2 with be equipped with adjustable aperture's malleation air exit 10 on the tuber pipe 6 of malleation storehouse intercommunication, heating device locates in the stoving storehouse, and here adjustable aperture's negative pressure air intake 9 and malleation air exit 10 all are commercially available wind gap, and heating device here preferably adopts heating pipe 12, fixes heating pipe 12 on the 1 lateral wall of box in the storehouse scope of drying, and the material can directly be put on 1 bottom plate of box, can also set up objective table 11 on 1 bottom plate of box in the storehouse scope of drying, as follows implementation, put the material on objective table 11.
In the use process of the embodiment, neodymium iron boron blank materials to be dried are placed in the drying bin, the box door 3 is closed, the air blower 2 and the heating device are started, the air blower 2 blows air into the positive pressure bin, so that the air pressure in the positive pressure bin is higher than the normal atmospheric pressure, the air in the positive pressure bin is sprayed to the surface of the material to be dried in the drying bin through the air nozzle 7, the heating device makes the surface temperature of the material rise, the moisture on the surface of the material evaporates, the volume of the airflow sprayed by the air nozzle 7 expands after the drying bin is heated, so that the air pressure in the drying bin is increased, the hot airflow brings water vapor into the negative pressure bin from the air hole 8, the negative pressure is generated in the negative pressure bin due to the suction of the blower 2, so that the hot air flow carries the water vapor to enter the circulation from the air inlet of the blower 2 again, the negative pressure air inlet 9 of the negative pressure bin can be opened to supplement fresh air in the box body 1, the positive pressure exhaust outlet 10 on the air pipe 6 can be opened to exhaust the waste gas containing water vapor for the box body 1.
The hot air circulation can be realized, the high-speed air flow is sprayed to the drying bin through the air nozzle 7, the heat is taken away, the circulating heating is carried out in the process, the temperature is rapidly raised, and the heat is preserved through the box body 1; through adjusting the positive pressure air outlet 10 and the negative pressure air inlet 9 which are arranged at the positive pressure section and the negative pressure section, the exhaust gas and the fresh air supplement of the box body 1 can be realized.
In another embodiment, the heating device includes:
a stage 11, which is composed of a horizontal stage steel plate 1101 and a support column 1102 connected between the stage steel plate 1101 and the bottom plate of the case 1;
a heating pipe 12 fixedly arranged on the lower surface of the loading steel plate 1101;
wherein, a plurality of air nozzles 7 are all over against the loading steel plate 1101.
In the use process of the embodiment, the material to be dried is directly placed on the loading steel plate 1101, so that the heat of the heating pipe 12 can be directly transferred to the material to be dried through the loading steel plate 1101, and the heating efficiency is higher.
In another embodiment, the air nozzle 7 is a universal adjustable spherical nozzle, so that the orientation of the air nozzle 7 can be adjusted, and the air flow blown by the air nozzle 7 can cover all parts of the surface of the material to be dried, and the drying efficiency is higher.
In another embodiment, a high temperature resistant explosion-proof illuminating lamp is arranged in the drying bin, because the box body 1 is internally sealed, the light in the drying bin can only be thrown through the box door 3 to illuminate, the light in the daytime can be better without illumination, but the light is poorer at night, and the working personnel can not clearly see the conditions in the drying bin, so the high temperature resistant explosion-proof illuminating lamp needs to be arranged, and the high temperature resistant explosion-proof illuminating lamp is arranged on the inner side plate 4, or on the inner side wall of the box body 1, or arranged on the part of the inner top plate 5, which is not provided with the air nozzle.
In another embodiment, a temperature sensor is further disposed on the lower surface of the loading steel plate 1101, so that a worker can accurately know the temperature condition inside the box 1 outside the box 1, and open or close the heating pipe 12 as required, and the heating pipe 12 does not need to be opened all the time, thereby saving energy.
In another embodiment, a diffuser 13 is arranged at the outlet of the air pipe 6 of the blower 2 communicated with the positive pressure bin, so that the air supply in the positive pressure bin is uniformly distributed, and the flow velocity and the flow rate of the air flow sprayed by each air nozzle 7 are ensured to be approximately the same.
In another embodiment, the inner wall of the box body 1 is covered with a high temperature resistant heat insulation material layer, so that the heat in the box body 1 can be preserved as much as possible, the service life of the heating pipe 12 is reduced, and the energy is saved.
In another embodiment, a support 14 for supporting the box body 1 is arranged below the box body 1, wherein the support 14 is a cubic steel frame comprising four supporting legs, and the bottom ends of the supporting legs are connected with universal wheels, so that the drying box can be moved to more stations for working.
In another embodiment, a cross-flow fan 15 parallel to the inner side plate 4 is horizontally arranged in the negative pressure bin, one end of a rotating shaft of the cross-flow fan 15 is rotatably connected to the inner side wall of the box body 1, the other end of the rotating shaft penetrates out of the box body 1 and is connected with a driving motor, the driving motor is fixed on the outer side wall of the box body 1, and the top of the cross-flow fan 15 is equal to the top of the air hole 8 at the highest position on the inner side plate 4 in height;
a curved plate 16 with a concave surface facing the cross flow fan 15 is arranged below the cross flow fan 15, one side of the curved plate 16 leaves a gap with the inner side plate 4, the other side of the curved plate is connected to the inner wall of the box body 1 opposite to the box door 3, and the gap between the curved plate 16 and the cross flow fan 15 is gradually increased in the direction away from the inner side plate 4, so that the curved plate 16 and the inner wall of the box body 1 opposite to the box door 3 jointly form an air duct of the cross flow fan 15;
a horizontal first guide plate 17 is arranged above the cross-flow fan 15, one side of the first guide plate 17 is connected to the inner side plate 4, the other side of the first guide plate 17 is positioned above the center of the cross-flow fan 15, the other side of the first guide plate 17 is connected with a second guide plate 18, the second guide plate 18 is positioned between the cross-flow fan 15 and the first guide plate 17, the second guide plate 18 is inclined towards the side wall of the box body 1 opposite to the box door 3, and the second guide plate 18 is arranged along the tangential direction of the cross-flow fan 15;
the lower surface of the curved plate 16 is provided with an S-shaped condensation pipe 19, the inlet end and the outlet end of the condensation pipe 19 both penetrate out of the side wall of the box body 1, cooling water is introduced into the condensation pipe 19, the condensation pipe 19 is a straight pipe along the axial direction of the cross flow fan 15 in the middle of the curved plate 16 and only bends and turns around when approaching the end part of the curved plate 16, the inlet end of the condensation pipe 19 can be connected with a tap water pipe outside the box body 1, the outlet end can be directly connected to a drainage channel, but water resources are wasted, so a water tank can be arranged outside the box body 1, the inlet end and the outlet end of the condensation pipe 19 are both communicated with the water tank, and a water pump is arranged on a pipeline for communicating the inlet end of the condensation pipe 19 with the water tank to realize circulating cooling water;
the lowest point of the curved plate 16 is provided with a liquid guiding hole, the lower surface of the curved plate 16 of the liquid guiding hole is connected with a liquid guiding hose 20, and the liquid guiding hose 20 penetrates out of the box body 1.
In the use process of the embodiment, after the neodymium iron boron blank material to be dried is placed in the drying bin, the box door 3 is closed, the blower 2 and the heating device are opened, the cross flow fan 15 is also started, the cross flow fan 15 rotates as shown in figure 3, cooling water is introduced into the condensation pipe 19, the hot air flow with water vapor escaping from the air holes 8 is blocked by the first guide plate 17 and the second guide plate 18, and simultaneously enters the air channel under the action of the cross flow fan 15, because the condenser pipe 19 is arranged below the curved plate 16, the temperature of the curved plate 16 is lower, water vapor can be greatly condensed on the upper surface of the curved plate 16 to form water flow, the water flow is sent out of the box body 1 through the liquid guide hole and the guide hose, hot air flow without water vapor or with lower water vapor content enters the upper part of the negative pressure bin through a channel between the second guide plate 18 and the inner wall of the box body 1 opposite to the box door 3, and is sucked away by the air blower 2 for recycling.
Namely, the above embodiment can reduce the water vapor content in the hot air flow for recycling, prevent the blower 2 from being corroded in the environment with high water vapor content after working for a long time, and the motor of the blower 2 is easy to break and burn out, and meanwhile, the condensed water flow is gathered and discharged, so that the surface dryness of other parts in the negative pressure bin is kept, and the cross flow fan 15 also enhances the air suction effect of the negative pressure bin.
In another embodiment, the edge of the curved plate 16 close to the inner side wall is connected with a third guide plate 21, the third guide plate 21 is located below the curved plate 16 and inclines towards the side wall of the box body 1 opposite to the box door 3, and the lower edge of the third guide plate 21 is connected with the lower edge of the side wall of the box body 1 opposite to the box door 3, so that the hot air flow with water vapor can be prevented from contacting and condensing with the condensation pipe 19 from the lower part of the curved plate 16, and the condensed water drips on the bottom plate of the box body 1 to cause water accumulation in the negative pressure cabin.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A novel drying box comprises a box body, an air blower arranged on the outer wall of the box body and a heating device arranged in the box body, wherein a box door is arranged on one side wall of the box body;
wherein, the part that the box bottom plate is in the negative pressure storehouse is equipped with the negative pressure air intake of adjustable aperture, the air-blower with be equipped with the malleation air exit of adjustable aperture on the tuber pipe of malleation storehouse intercommunication, heating device locates in the stoving storehouse.
2. A new drying box according to claim 1, characterised in that said heating means comprise:
the object stage consists of a horizontal object carrying steel plate and a support column connected between the object carrying steel plate and the bottom plate of the box body;
the heating pipe is fixedly arranged on the lower surface of the carrying steel plate;
wherein, a plurality of tuyeres all just are to carrying the thing steel sheet.
3. The novel drying box according to claim 1, wherein the air nozzle is a universal adjustable spherical nozzle.
4. The novel drying box according to claim 1, characterized in that a high temperature resistant explosion-proof illuminating lamp is arranged in the drying bin.
5. The novel drying box according to claim 2, characterized in that a temperature sensor is further arranged on the lower surface of the loading steel plate.
6. The novel drying box according to claim 1, characterized in that a diffuser is arranged at an outlet of an air pipe of the blower communicating with the positive pressure bin.
7. The novel drying box according to claim 1, wherein the inner wall of the box body is coated with a high temperature resistant heat insulating material layer.
8. A novel drying box according to claim 1, characterized in that a support for supporting said box is provided under said box.
9. The novel drying box according to claim 1, wherein a cross-flow fan parallel to the inner side plate is horizontally arranged in the negative pressure bin, one end of a rotating shaft of the cross-flow fan is rotatably connected to the inner side wall of the box body, the other end of the rotating shaft penetrates out of the box body and is connected with a driving motor, the driving motor is fixed on the outer side wall of the box body, and the top of the cross-flow fan is equal to the top of an air hole at the highest position on the inner side plate in height;
a curved plate with a concave surface facing the cross-flow fan is arranged below the cross-flow fan, a gap is reserved between one side of the curved plate and the inner side plate, the other side of the curved plate is connected to the inner wall of the box body opposite to the box door, and the gap between the curved plate and the cross-flow fan is gradually increased in the direction away from the inner side plate, so that the curved plate and the inner wall of the box body opposite to the box door jointly form an air duct of the cross-flow fan;
a horizontal first guide plate is arranged above the cross-flow fan, one side of the first guide plate is connected to the inner side plate, the other side of the first guide plate is positioned above the center of the cross-flow fan, the other side of the first guide plate is connected with a second guide plate, the second guide plate is positioned between the cross-flow fan and the first guide plate, the second guide plate is inclined towards the side wall of the box body opposite to the box door, and the second guide plate is arranged along the tangential direction of the cross-flow fan;
the lower surface of the curved plate is provided with an S-shaped condensing pipe, the inlet end and the outlet end of the condensing pipe penetrate out of the side wall of the box body, and cooling water is introduced into the condensing pipe;
and the lowest point of the curved plate is provided with a liquid guide hole, the lower surface of the curved plate is connected with a liquid guide hose through the liquid guide hole, and the liquid guide hose penetrates out of the box body.
10. The novel drying box according to claim 9, wherein a third guide plate is connected to an edge of the curved plate close to the inner side wall, the third guide plate is located below the curved plate and inclined toward the box side wall opposite to the box door, and a lower edge of the third guide plate is connected to a lower edge of the box side wall opposite to the box door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927981.7A CN112577265A (en) | 2019-09-27 | 2019-09-27 | Novel drying box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927981.7A CN112577265A (en) | 2019-09-27 | 2019-09-27 | Novel drying box |
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| CN112577265A true CN112577265A (en) | 2021-03-30 |
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| CN201910927981.7A Pending CN112577265A (en) | 2019-09-27 | 2019-09-27 | Novel drying box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124657A (en) * | 2021-04-01 | 2021-07-16 | 赣州市恒源科技股份有限公司 | Neodymium iron boron waste material high temperature drying firing equipment |
| CN116106649A (en) * | 2021-11-09 | 2023-05-12 | 浙江杭可仪器有限公司 | A heat-dissipating oven |
| CN116907199A (en) * | 2023-08-18 | 2023-10-20 | 上海鲸唇互联网科技有限公司 | Air knife and glasses cleaning device including the same |
| CN117316549A (en) * | 2023-10-16 | 2023-12-29 | 无锡市瑞球科技有限公司 | Vertical enameled wire wind circulating device |
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Application publication date: 20210330 |