CN215712395U - Secondary crystallization device for waste water evaporation desalination - Google Patents
Secondary crystallization device for waste water evaporation desalination Download PDFInfo
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- CN215712395U CN215712395U CN202122001544.8U CN202122001544U CN215712395U CN 215712395 U CN215712395 U CN 215712395U CN 202122001544 U CN202122001544 U CN 202122001544U CN 215712395 U CN215712395 U CN 215712395U
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Abstract
The utility model discloses a secondary crystallization device for evaporative desalination of wastewater, which comprises a primary feed pump, wherein a preheater is fixedly arranged on one side of the primary feed pump, a primary heater is fixedly arranged on one side of the preheater, a primary evaporator is fixedly arranged on one side of the primary heater, a primary concentrated liquid pump is fixedly arranged on one side of the primary evaporator, a primary crystallization separator is fixedly arranged on one side of the primary concentrated liquid pump, a secondary feed pump is fixedly arranged on one side of the primary crystallization separator, a secondary heater is fixedly arranged on one side of the secondary feed pump, a secondary compressor is fixedly arranged at the bottom of the secondary heater, and a secondary evaporator is fixedly arranged on one side of the secondary heater; by adopting the structure, the secondary crystallization device for evaporative desalination of wastewater provided by the utility model has the advantages of small occupied area, low operation cost and high crystallization efficiency, and can be used for large-scale batch production. Meanwhile, the device has the advantages of convenient operation, convenient maintenance, economy, applicability, long service life and the like.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment devices, in particular to a secondary crystallization device for wastewater evaporation and desalination.
Background
Because the crystallization salt in the prior evaporation technology can not be recycled, the solid waste production amount is large, and the salt separation is insufficient. The waste water evaporation desalination secondary crystallization equipment has advanced structure and composition, has lower cost than a common evaporator, and can recycle about 80 percent of salt in the primary crystal after secondary evaporation crystallization, thereby reducing the generation amount of solid waste and reducing the solid waste transfer treatment cost of owners. The secondary crystallization process of waste water evaporation desalination is gradually proposed and applied, so that the separation process of liquid is more efficient.
The prior art has the following defects or problems:
1. the existing secondary crystallization device for evaporating and desalting wastewater has the disadvantages of slow evaporation efficiency and low working efficiency;
2. the existing secondary crystallization device for wastewater evaporation desalination has the disadvantages of large occupied area, high operation cost, low cleaning efficiency and inconvenient operation and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a secondary crystallization device for wastewater evaporation desalination aiming at the defects of the prior art, and aims to solve the problems of low evaporation efficiency, low working efficiency, large occupied area, high operation cost, low cleaning efficiency and inconvenience in operation and use in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a secondary crystallization device for evaporative desalination of wastewater comprises a primary feed pump, wherein a preheater is fixedly mounted on one side of the primary feed pump, a primary heater is fixedly mounted on one side of the preheater, a primary evaporator is fixedly mounted on one side of the primary heater, a primary concentrated liquid pump is fixedly mounted on one side of the primary evaporator, a primary crystallization separator is fixedly mounted on one side of the primary concentrated liquid pump, a secondary feed pump is fixedly mounted on one side of the primary crystallization separator, a secondary heater is fixedly mounted on one side of the secondary feed pump, a secondary compressor is fixedly mounted at the bottom of the secondary heater, a secondary evaporator is fixedly mounted on one side of the secondary heater, a secondary concentrated liquid pump is fixedly mounted on one side of the secondary concentrated liquid pump, a secondary crystallization separator is fixedly mounted on one side of the secondary concentrated liquid pump, a primary compressor is fixedly mounted at the top of the primary heater, the secondary compressor bottom fixed mounting has the lime set storage tank, one-level crystallization separator one side is provided with the crystallization discharge gate, crystallization discharge gate one end is provided with high enriched liquid discharge port, lime set storage tank one side is provided with the lime set discharge port.
As a preferable technical scheme of the utility model, two feeding pumps are arranged, and each feeding pump comprises a first-stage feeding pump and a second-stage feeding pump.
As a preferred technical scheme of the utility model, a lead is arranged in the preheater, and the preheater is electrically connected with an external power supply through the lead.
As a preferable technical scheme of the utility model, the number of the heaters is two, and the heaters comprise a primary heater and a secondary heater.
As a preferable technical scheme of the utility model, a lead is arranged in the primary evaporator, and the primary evaporator is electrically connected with an external power supply through the lead.
As a preferred technical solution of the present invention, a wire is disposed inside the secondary compressor, and the secondary compressor is electrically connected to an external power source through the wire.
Compared with the prior art, the utility model provides a secondary crystallization device for wastewater evaporation desalination, which has the following beneficial effects:
1. by adopting the structure, the secondary crystallization device for wastewater evaporation desalination realizes small floor area, low operation cost and high crystallization efficiency, and can be used for large-scale batch production. Meanwhile, the operation is convenient, the maintenance is convenient, the operation is economical and practical, the service life is long, and the like;
2. this waste water evaporation desalination secondary crystallization device through setting up preheater, primary heater and secondary heater, can very conveniently carry out holistic heating to equipment, and effectual improvement evaporation efficiency is convenient for improve work efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a first stage feed pump; 2. a preheater; 3. a primary heater; 4. a first-stage evaporator; 5. a first-stage concentrated liquid pump; 6. a primary crystallization separator; 7. a secondary feed pump; 8. a secondary heater; 9. a secondary compressor; 10. a secondary evaporator; 11. a secondary concentrated liquid pump; 12. a secondary crystallization separator; 13. a first stage compressor; 14. a condensate storage tank; 15. a crystal discharge port; 16. a high concentration liquid discharge port; 17. and a condensate discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-1, in the present embodiment: a secondary crystallization device for waste water evaporation desalination is characterized in that: comprises a primary feed pump 1, a preheater 2 is fixedly arranged on one side of the primary feed pump 1, a primary heater 3 is fixedly arranged on one side of the preheater 2, a primary evaporator 4 is fixedly arranged on one side of the primary heater 3, a primary concentrated liquid pump 5 is fixedly arranged on one side of the primary evaporator 4, a primary crystallization separator 6 is fixedly arranged on one side of the primary concentrated liquid pump 5, a secondary feed pump 7 is fixedly arranged on one side of the primary crystallization separator 6, a secondary heater 8 is fixedly arranged on one side of the secondary feed pump 7, a secondary compressor 9 is fixedly arranged at the bottom of the secondary heater 8, a secondary evaporator 10 is fixedly arranged on one side of the secondary heater 8, a secondary concentrated liquid pump 11 is fixedly arranged on one side of the secondary evaporator 10, a secondary crystallization separator 12 is fixedly arranged on one side of the secondary concentrated liquid pump 11, a primary compressor 13 is fixedly arranged at the top of the primary heater 3, and a condensate storage tank 14 is fixedly arranged at the bottom of the secondary compressor 9, a crystal discharge port 15 is arranged on one side of the primary crystal separator 6, a high-concentration liquid discharge port 16 is arranged at one end of the crystal discharge port 15, and a condensate discharge port 17 is arranged on one side of the condensate storage tank 14.
In the embodiment, two feeding pumps are arranged, and each feeding pump comprises a first-stage feeding pump 1 and a second-stage feeding pump 7, so that the better work is facilitated, and the secondary crystallization separation is realized; the preheater 2 is internally provided with a lead, and the preheater 2 is electrically connected with an external power supply through the lead, so that the whole body is conveniently heated, and the evaporation efficiency is effectively improved; the number of the heaters is two, and the heaters comprise a primary heater 3 and a secondary heater 8; the equipment is conveniently heated integrally, the evaporation efficiency is effectively improved, and the working efficiency is conveniently improved; a lead is arranged inside the primary evaporator 4, and the primary evaporator 4 is electrically connected with an external power supply through the lead, so that better evaporation is facilitated; the inside wire that is provided with of secondary compressor 9, secondary compressor 9 passes through wire and external power source electric connection, and the better work of being convenient for makes the compression effect better.
The working principle and the using process of the utility model are as follows: when in use, the wastewater enters a primary feed pump 1 and is sent to a preheater 2 for heating, enters a primary heater 3, is subjected to evaporation reaction in a primary evaporator 4, the concentrated solution is sent to a primary crystallization separator 6 through a primary concentrated solution pump 5 for centrifugal separation, the crystals are discharged through a crystallization discharge port 15, the primary concentrated solution enters a secondary heater 8 through a secondary feed pump 7, is subjected to secondary evaporation in a secondary evaporator 10, the concentrated solution enters a secondary crystallization separator 12 for secondary centrifugal separation, the high-concentration solution is discharged through a high-concentration solution discharge port 16, the gas phase obtained by the primary evaporator 4, the secondary evaporator 10, the primary crystallization separator 6 and the secondary crystallization separator 12 is compressed by a primary compressor 13 and then is input as a heat source into the primary heater 3 for feeding liquid heating, the heated condensed part is input into a condensate storage tank 14 for collection, the uncondensed part is compressed to a higher temperature by a secondary compressor 9 and is input as a heat source into the secondary evaporator 10 for feeding liquid heating, after being heated, the condensate is condensed into condensate, and the condensate is input into a condensate storage tank 14 to be collected and then passes through a condensate discharge pipeline.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A secondary crystallization device for waste water evaporation desalination is characterized in that: comprises a first-level feed pump (1), a preheater (2) is fixedly arranged on one side of the first-level feed pump (1), a first-level heater (3) is fixedly arranged on one side of the preheater (2), a first-level evaporator (4) is fixedly arranged on one side of the first-level heater (3), a first-level concentrated liquid pump (5) is fixedly arranged on one side of the first-level concentrated liquid pump (5), a first-level crystal separator (6) is fixedly arranged on one side of the first-level crystal separator (6), a second-level feed pump (7) is fixedly arranged on one side of the second-level feed pump (7), a second-level heater (8) is fixedly arranged at the bottom of the second-level heater (8), a second-level compressor (9) is fixedly arranged on one side of the second-level heater (8), a second-level evaporator (10) is fixedly arranged on one side of the second-level evaporator (10), a second-level concentrated liquid pump (11) is fixedly arranged on one side of the second-level evaporator (10), second grade concentrated liquid pump (11) one side fixed mounting has second grade crystal separator (12), one-level heater (3) top fixed mounting has one-level compressor (13), second grade compressor (9) bottom fixed mounting has condensate storage tank (14), one-level crystal separator (6) one side is provided with crystal discharge gate (15), crystal discharge gate (15) one end is provided with high enriched liquid discharge port (16), condensate storage tank (14) one side is provided with condensate discharge port (17).
2. The wastewater evaporative desalination secondary crystallization device of claim 1, wherein: the feeding pump is provided with two, the feeding pump is including one-level feeding pump (1) and second grade feeding pump (7).
3. The wastewater evaporative desalination secondary crystallization device of claim 1, wherein: the preheater (2) is internally provided with a lead, and the preheater (2) is electrically connected with an external power supply through the lead.
4. The wastewater evaporative desalination secondary crystallization device of claim 1, wherein: the heater is provided with two, the heater is including one-level heater (3) and second grade heater (8).
5. The wastewater evaporative desalination secondary crystallization device of claim 1, wherein: the primary evaporator (4) is internally provided with a lead, and the primary evaporator (4) is electrically connected with an external power supply through the lead.
6. The wastewater evaporative desalination secondary crystallization device of claim 1, wherein: the secondary compressor (9) is internally provided with a lead, and the secondary compressor (9) is electrically connected with an external power supply through the lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001544.8U CN215712395U (en) | 2021-08-24 | 2021-08-24 | Secondary crystallization device for waste water evaporation desalination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001544.8U CN215712395U (en) | 2021-08-24 | 2021-08-24 | Secondary crystallization device for waste water evaporation desalination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215712395U true CN215712395U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122001544.8U Active CN215712395U (en) | 2021-08-24 | 2021-08-24 | Secondary crystallization device for waste water evaporation desalination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215712395U (en) |
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2021
- 2021-08-24 CN CN202122001544.8U patent/CN215712395U/en active Active
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