CN217921527U - Waste liquid concentration device of two-phase circulation contact - Google Patents
Waste liquid concentration device of two-phase circulation contact Download PDFInfo
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- CN217921527U CN217921527U CN202221959893.9U CN202221959893U CN217921527U CN 217921527 U CN217921527 U CN 217921527U CN 202221959893 U CN202221959893 U CN 202221959893U CN 217921527 U CN217921527 U CN 217921527U
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Abstract
The application provides a waste liquid enrichment facility of double-phase circulation contact relates to industrial wastewater treatment technical field. The utility model provides a waste liquid enrichment facility of double-phase circulation contact, includes evaporation tower and the condensing tower through pipe connection, still is connected with waste liquid feed liquor pipe, waste liquid circulating pipe and hot-blast main on the evaporation tower, and the one end of waste liquid circulating pipe is connected to the bottom of evaporation tower, and the other end is connected to the upper portion of evaporation tower, installs waste liquid circulating pump and circulation liquid heater on the waste liquid circulating pipe. Through this application device, can carry out the moisture in the waste liquid and organic matter fully separate.
Description
Technical Field
The application relates to the technical field of industrial wastewater treatment, in particular to a waste liquid concentration device with two-phase circular contact.
Background
Industrial wastewater includes industrial wastewater, industrial sewage and cooling water, and refers to wastewater and waste liquid generated in the industrial production process, wherein the wastewater and waste liquid contain industrial production materials, intermediate products, byproducts and pollutants generated in the production process, which are lost along with water. The industrial wastewater has various types and complex components. For example, the electrolytic salt industrial wastewater contains mercury, the heavy metal smelting industrial wastewater contains various metals such as lead and cadmium, the electroplating industrial wastewater contains various heavy metals such as cyanide and chromium, the petroleum refining industrial wastewater contains phenol, the pesticide manufacturing industrial wastewater contains various pesticides, and the like. Because industrial wastewater contains various toxic substances and pollutes the environment, the environment is harmful to human health, so that the industrial wastewater is developed to be comprehensively utilized and turn the harmful into the beneficial, and can be discharged after being treated by adopting corresponding purification measures according to the components and the concentration of pollutants in the wastewater.
Traditional evaporimeter, such as MVR and multiple-effect etc. evaporimeter are used often to appear corroding or the condition such as jam in complicated industrial waste water, and traditional evaporimeter generally adopts plate type or tubular heat exchanger to heat waste water promptly, because the material is extremely complicated in the waste water, and the nature of generally scaling nature material content is very high, like substances such as calcium, magnesium and silicon, forms the crystal nucleus after constantly evaporating concentration in the operation process. The crystal nucleus is attached to heat exchange tube (or face) internal surface and the scale deposit, then influences heat exchanger efficiency lightly, and then can make the heat exchange tube jam heavily, seriously influences the normal operating of evaporative crystallization device, and the unable steady normal operating of equipment, maintenance volume and maintenance cost also highly live under.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a waste liquid enrichment facility of two-phase circulation contact, it can carry out abundant separation to moisture and high boiling organic matter in the waste liquid.
The embodiment of the application is realized as follows:
the embodiment of the application provides a waste liquid enrichment facility of double-phase circulation contact, include evaporation tower and the condensing tower through the pipe connection, still be connected with waste liquid feed liquor pipe, waste liquid circulating pipe and hot-blast main on the evaporation tower, the one end of waste liquid circulating pipe is connected to the bottom of evaporation tower, and the other end is connected to the upper portion of evaporation tower, installs waste liquid circulating pump and circulation liquid heater on the waste liquid circulating pipe.
In some embodiments of the present application, one end of the hot air pipe is connected to the upper part of the evaporation tower, and the other end is connected to the air pipe heater, which is connected to the steam pipe.
In some embodiments of the present application, the evaporation tower is provided with a plurality of packing layers, and the packing layers are provided with vibration generators.
In some embodiments of the present application, the lower part of the evaporation tower is connected to the lower part of the condensation tower through a circulation air pipe, and the upper part of the condensation tower is connected to the air pipe heater.
In some embodiments of the present application, a centrifugal fan is installed on a connection line between the condensing tower and the air pipe heater.
In some embodiments of the present application, the bottom of the condensing tower is connected to a condensed water cooler through a pipeline, a condensed water circulating pump is disposed on the pipeline, and the condensed water cooler is connected to the upper portion of the condensing tower through a pipeline.
In some embodiments of the present application, an inlet of the cooling water portion of the condensed water cooler is connected to a condensed water pipeline, and an outlet of the cooling water portion of the condensed water cooler is connected to a condensed water return pipeline.
In some embodiments of the present application, the lower part of the evaporation tower is further connected to a concentrate tank through a pipeline.
In some embodiments of the present application, the lower part of the condensation tower is further connected with a condensation water tank through a pipeline.
In some embodiments of the present application, a plurality of packing layers are disposed in the condensing tower.
Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:
according to the method, the evaporation tower and the condensation tower are connected behind the waste liquid pipe, the waste liquid can be evaporated firstly, so that moisture of the waste liquid escapes after being vaporized, and then the waste liquid is condensed by the condensation tower, salt and organic matters with high boiling point in the waste liquid are remained in the evaporation tower in the evaporation stage, and therefore the salt and the organic matters with high boiling point in the waste liquid are separated from water; the evaporation tower is also connected with a waste liquid inlet pipe, a waste liquid circulating pipe and a hot air pipe, one end of the waste liquid circulating pipe is connected to the bottom of the evaporation tower, the other end of the waste liquid circulating pipe is connected to the upper part of the evaporation tower, and a waste liquid circulating pump and a circulating liquid heater are arranged on the waste liquid circulating pipe; the waste liquid feed pipe is connected with the lower part of the evaporation tower, waste liquid firstly heats hot air in the evaporation tower after entering the evaporation tower, then the waste liquid is sent into the circulating liquid heater through the waste liquid circulating pump from the bottom of the evaporation tower to be heated secondarily, the waste liquid enters the upper part of the evaporation tower through the waste liquid circulating pipe, and is heated and evaporated with the hot air in the evaporation tower again, so that moisture in the waste liquid is fully transferred into the hot air, the evaporation rate of the moisture in the waste liquid is improved, the moisture in the waste liquid and high-boiling organic matters are fully separated, and the effect of waste liquid treatment is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Icon: 1-an evaporation tower; 2-a condensation column; 3-air pipe heater; 4-a circulating liquid heater; 5-a condensate water cooler; 6-a concentrated liquid tank; 7-condensation water tank; 8-centrifugal fan; 9-a waste liquid circulating pump; 10-condensate circulating pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the utility model is used, the description is only for convenience of describing the present application and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as the limitation of the present application.
In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be broadly construed, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a waste liquid enrichment facility of two-phase circulation contact, include evaporating tower 1 and condensing tower 2 through the pipe connection, this application is evaporating the moisture in the waste liquid in evaporating tower 1 earlier, makes its moisture evaporate back escape, then collects through condensing tower 2 condensation, and salt and the organic matter of high boiling point in the waste liquid remain in evaporating tower 1 through the concentrated processing of multiple cycles at the evaporation stage to salt and the organic matter of high boiling point and water in the waste liquid are separated.
Still be connected with waste liquid feed liquor pipe on the evaporation tower 1, waste liquid circulating pipe and hot-blast main, the waste liquid storage tank in the feed liquor lug connection workshop of waste liquid feed liquor pipe, carry the industrial waste liquid that needs to handle to evaporation tower 1 through waste liquid feed liquor pipe, the hot-blast main is used for carrying hot-air to evaporation tower 1, for the evaporation in the evaporation tower 1 provides the heat source, the waste liquid circulating pipe is used for sending into evaporation tower 1 again with the waste liquid of complete reaction from the export circulation of evaporation tower 1, evaporate once more, constantly repeat the concentration to the waste liquid, thereby reach better treatment result.
One end of the waste liquid circulating pipe is connected to the bottom of the evaporation tower 1, the other end of the waste liquid circulating pipe is connected to the upper part of the evaporation tower 1, and a waste liquid circulating pump 9 and a circulating liquid heater 4 are arranged on the waste liquid circulating pipe; the waste liquid inlet pipe is connected with the lower part of the evaporation tower 1, the waste liquid firstly heats hot air in the evaporation tower 1 after entering the evaporation tower 1, then is sent into the circulating liquid heater 4 from the bottom of the evaporation tower 1 through the waste liquid circulating pump 9 to be heated, then enters the upper part of the evaporation tower 1 through the waste liquid circulating pipe to be heated and evaporated again, so that the moisture in the waste liquid is fully transferred into hot steam, and the evaporation rate of the moisture in the waste liquid is improved.
The circulating liquid heater 4 in this embodiment is specifically a plate heat exchanger, which heats the waste liquid entering the circulating liquid heater 4 by using heat in the hot steam.
Example 2
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 1, and the same points are not described again, except that: one end of the hot air pipe in the embodiment is connected to the upper part of the evaporation tower 1, the other end is connected with an air pipe heater 3, and the air pipe heater 3 is connected to a steam pipe.
In this embodiment, the hot gas source in the evaporation tower 1 is the air pipe heater 3, the air pipe heater 3 is respectively connected with the steam pipeline and the steam condensate pipeline, and the air is heated to 85 ℃ by the air pipe heater 3 and then sent into the evaporation tower 1 to heat the waste liquid. The hot-blast main is connected with the upper portion of evaporation tower 1, can carry out hot-blast to whole evaporation tower 1 and be full of, improves the evaporation efficiency.
In the present application, the air duct heater 3 is a plate heat exchanger, which heats the air to be introduced into the evaporation tower 1 by means of hot steam.
Example 3
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase circulating contact waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 2, and the same points are not repeated herein, except that: in this embodiment, the evaporation tower 1 is provided with a plurality of packing layers, and the packing layers are provided with vibration generators.
In this embodiment, evaporation tower 1 installs 8 packing layers for wide runner tower structure in, and the packing layer can increase waste liquid and hot-blast area of contact, can filter the impurity in the waste liquid simultaneously, increases the resolution of impurity and water, and in addition, this embodiment adopts the heat exchanger of wide runner to supporting have vibration generator, can vibrate the crystal nucleus attached to on the packing surface at the heat transfer in-process through the operation of vibration and drop, prevent to block up.
Example 4
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 2, and the same points are not described again, except that: the lower part of the evaporation tower 1 in the present embodiment is connected to the lower part of the condensation tower 2 through a circulation air duct, and the upper part of the condensation tower 2 is connected to the duct heater 3.
In this embodiment, the circulated waste liquid contacts with hot air from top to bottom in the evaporation tower 1, the hot air with moisture is introduced into the bottom of the condensation tower 2 through the circulating air pipe at the lower part of the evaporation tower 1, the hot air is cooled in the process of the condensation tower 2 from bottom to top, the moisture therein is condensed and then gathered at the bottom of the tower, and the cooled air is sent into the air pipe heater 3 to be heated and then enters the evaporation tower 1 again, thereby realizing the circulation of the gas.
Example 5
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 2, and the same points are not described again, except that: in this embodiment, a centrifugal fan 8 is installed on a connecting pipeline between the condensing tower 2 and the air pipe heater 3.
In the embodiment, air in the condensing tower 2 is sent into the air pipe heater 3 through the centrifugal fan 8, and meanwhile, negative pressure is provided for the condensing tower 2, so that hot air entering from the bottom moves from bottom to top to be condensed.
Example 6
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 2, and the same points are not described again, except that: the bottom of the condensing tower 2 in this embodiment is connected to a condensate cooler 5 through a pipeline, a condensate circulating pump 10 is arranged on the pipeline, and the condensate cooler 5 is connected to the upper part of the condensing tower 2 through a pipeline.
In this embodiment, the condensed water is sprayed downwards through the water distribution pipeline in the condensing tower 2 to cool and condense the hot air, and heat exchange is generated during contact, and then the condensed water is sent into the condensed water cooler 5 to be cooled for recycling.
Further, the condensate cooler 5 is in fact a plate heat exchanger which cools the water circulating in the condensation tower 2 by means of the condensate, in particular, the inlet of the cooling water portion is connected with a condensate conduit and the outlet is connected with a condensate return conduit. The cooling capacity is provided for the whole condensing system through the condensate water and the condensate water backwater.
Example 7
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase circulating contact waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 1, and the same points are not repeated herein, except that: the lower part of the evaporation tower 1 in this embodiment is also connected to a concentrated liquid tank 6 through a pipeline.
In this embodiment, through continuous circulation, moisture in the waste liquid is continuous to be transferred to condensing tower 2 through the air, and other waste liquids are through long time circulation in condensing tower 2, and salt and the organic matter of high boiling remain in evaporating tower 1, and the concentration in the waste liquid increases, and the liquid level rises, reaches in certain height with the salt in evaporating tower 1 and the organic matter of high boiling transfer to concentrated fluid reservoir 6 to the concentration of waste liquid has been realized.
It should be noted that in this embodiment, the position of the circulating air pipe is higher than the pipeline connected with the concentrate tank 6, which facilitates the discharge of the hot air.
Example 8
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 1, and the same points are not described again, except that: the lower part of the condensation tower 2 in this embodiment is also connected with a condensation water tank 7 through a pipeline.
In this embodiment, a part of the water after the cooling liquefaction in the condensation tower 2 is subjected to a cooling cycle, and when the amount of condensed water increases, the excess condensed water is introduced into the condensed water tank 7 to be collected.
Example 9
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present application.
This embodiment provides a two-phase recycling waste liquid concentrating device, which is substantially the same as the concentrating device of embodiment 1, and the same points are not described again, except that: in this embodiment, a plurality of packing layers are disposed in the condensing tower 2.
The contact area of hot-air and comdenstion water can be increased to the multilayer packing layer, and the packing layer in this embodiment is filled with functional filler simultaneously, can carry out further adsorption treatment to the liquid after the liquefaction.
In summary, the embodiment of the present application provides a two-phase circulation contact waste liquid concentrating device. According to the method, the evaporation tower 1 and the condensation tower 2 are connected behind the waste liquid pipe, the waste liquid can be evaporated firstly, so that moisture of the waste liquid is evaporated and escapes, then the waste liquid is condensed by the condensation tower 2, salt and organic matters with high boiling point in the waste liquid are remained in the evaporation tower 1 in the evaporation stage, and therefore the salt and the organic matters with high boiling point in the waste liquid are separated from water; the evaporation tower 1 is also connected with a waste liquid inlet pipe, a waste liquid circulating pipe and a hot air pipe, one end of the waste liquid circulating pipe is connected to the bottom of the evaporation tower 1, the other end of the waste liquid circulating pipe is connected to the upper part of the evaporation tower 1, and a waste liquid circulating pump 9 and a circulating liquid heater 4 are installed on the waste liquid circulating pipe; the waste liquid inlet pipe is connected with the lower part of the evaporation tower 1, the waste liquid firstly heats hot air in the evaporation tower 1 after entering the evaporation tower 1, then is sent into the circulating liquid heater 4 from the bottom of the evaporation tower 1 through the waste liquid circulating pump 9 to be heated, then enters the upper part of the evaporation tower 1 through the waste liquid circulating pipe to be heated and evaporated again, so that moisture in the waste liquid is fully transferred into hot steam, the evaporation rate of the moisture in the waste liquid is improved, and the moisture in the waste liquid and high-boiling organic matters are fully separated.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a two-phase circulation contact's waste liquid enrichment facility which characterized in that includes evaporation tower and the condensing tower through pipe connection, still be connected with waste liquid feed liquor pipe, waste liquid circulating pipe and hot-blast main on the evaporation tower, the one end of waste liquid circulating pipe is connected to the bottom of evaporation tower, and the other end is connected to the upper portion of evaporation tower, install waste liquid circulating pump and circulation liquid heater on the waste liquid circulating pipe.
2. The apparatus of claim 1, wherein the hot air pipe is connected to the upper part of the evaporation tower at one end, and is connected to an air pipe heater connected to a steam pipe at the other end.
3. The apparatus for concentrating waste liquid in two-phase circulating contact according to claim 2, wherein a plurality of packing layers are installed in the evaporation tower, and the packing layers are provided with vibration generators.
4. The apparatus for concentrating two-phase cyclic contact waste liquid according to claim 2, wherein the lower part of the evaporation tower is connected to the lower part of the condensation tower through a circulation air pipe, and the upper part of the condensation tower is connected to an air pipe heater.
5. The apparatus of claim 4, wherein a centrifugal fan is installed on a connection line between the condensing tower and the air duct heater.
6. The apparatus of claim 1, wherein the bottom of the condensing tower is connected to a condensate cooler via a pipeline, the pipeline is provided with a condensate circulating pump, and the condensate cooler is connected to the upper part of the condensing tower via a pipeline.
7. The apparatus of claim 6, wherein the condensed water cooler has a cooling water inlet connected to a condensed water pipe and a cooling water outlet connected to a condensed water return pipe.
8. The apparatus for concentrating waste liquid in two-phase circulating contact according to claim 1, wherein the lower part of the evaporation tower is further connected to a concentrated liquid tank through a pipeline.
9. The apparatus for concentrating waste liquid in two-phase circulating contact according to claim 1, wherein a condensed water tank is connected to a lower portion of the condensing tower through a pipeline.
10. The apparatus of claim 1, wherein a plurality of packing layers are disposed in the condensing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221959893.9U CN217921527U (en) | 2022-07-27 | 2022-07-27 | Waste liquid concentration device of two-phase circulation contact |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221959893.9U CN217921527U (en) | 2022-07-27 | 2022-07-27 | Waste liquid concentration device of two-phase circulation contact |
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| CN217921527U true CN217921527U (en) | 2022-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117509789A (en) * | 2023-11-30 | 2024-02-06 | 合肥合意环保科技工程有限公司 | High-hardness high-salinity high-organic matter liquid evaporation system |
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2022
- 2022-07-27 CN CN202221959893.9U patent/CN217921527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117509789A (en) * | 2023-11-30 | 2024-02-06 | 合肥合意环保科技工程有限公司 | High-hardness high-salinity high-organic matter liquid evaporation system |
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