CN221217261U - Negative pressure treatment system for evaporating and crystallizing strong brine - Google Patents
Negative pressure treatment system for evaporating and crystallizing strong brine Download PDFInfo
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- CN221217261U CN221217261U CN202323119036.5U CN202323119036U CN221217261U CN 221217261 U CN221217261 U CN 221217261U CN 202323119036 U CN202323119036 U CN 202323119036U CN 221217261 U CN221217261 U CN 221217261U
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- 239000012267 brine Substances 0.000 title claims abstract description 16
- 238000001704 evaporation Methods 0.000 title claims abstract description 16
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000002425 crystallisation Methods 0.000 claims abstract description 20
- 230000008025 crystallization Effects 0.000 claims abstract description 20
- 238000009833 condensation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000026676 system process Effects 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a negative pressure treatment system for evaporating and crystallizing strong brine, which comprises a negative pressure treatment shell and a negative pressure evaporator, wherein an atomizer inlet and a low-pressure steam outlet are arranged at the top end of the negative pressure treatment shell, a heat source inlet and a heat source outlet are arranged on the side wall of the negative pressure treatment shell, and a high-salt strong brine atomizer is communicated below the atomizer inlet; the low-pressure steam outlet is communicated with a low-pressure steam condensation water tank, a scraper driving wheel, a crystallization scraper chain plate and a scraper driven wheel are arranged in the negative pressure evaporator, and the scraper driving wheel drives the crystallization scraper chain plate and the scraper driven wheel to operate. The utility model has wide application, environmental protection, energy conservation, simple internal structure and convenient maintenance; the whole system process flow can realize the whole flow automation.
Description
Technical Field
The utility model belongs to the field of environment-friendly machinery, and particularly relates to a negative pressure treatment system for evaporating and crystallizing strong brine.
Background
Concentrated salt wastewater refers to wastewater with a total salt content of at least 1% by mass, and is mainly from chemical plants, oil and gas collection and processing and the like. Such wastewater contains a variety of substances including salts, oils, organic heavy metals, and radioactive materials. The generation way of the salt-containing wastewater is wide, and the water quantity is increased year by year. The removal of organic contaminants from salty sewage is critical to the environmental impact.
In order not to pollute the environment, strong brine needs to be treated by adopting a physical and chemical method, so that the investment is large, the operation cost is high, and the expected purifying effect is difficult to achieve; the density of the concentrated salt wastewater is high, activated sludge is easy to float and run off, and the purification effect of a biological treatment system is seriously influenced; the traditional evaporation equipment such as multistage flash evaporation and solar energy has the defects of high operation cost, low efficiency, difficult maintenance and the like.
Disclosure of utility model
In order to solve the technical problems, the utility model aims to provide a negative pressure treatment system for evaporating and crystallizing strong brine, and the negative pressure treatment system has the advantages of wide application range, environmental protection, energy saving, simple structure and convenient maintenance; and the whole system process flow can realize the whole process automation.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
The negative pressure treatment system for evaporating and crystallizing the strong brine comprises a negative pressure treatment shell, wherein a negative pressure evaporator is arranged in the negative pressure treatment shell, an atomizer inlet and a low-pressure steam outlet are arranged at the top end of the negative pressure treatment shell, and a heat source inlet and a heat source outlet are arranged on the side wall of the negative pressure treatment shell; the lower part of the atomizer inlet is communicated with a high-salt concentrated water atomizer arranged in the negative pressure evaporator; the low-pressure steam outlet is communicated with a low-pressure steam condensation water tank.
Further, a water ejector and a variable-frequency submersible pressure pump are arranged in the low-pressure steam condensation water tank, and the variable-frequency submersible pressure pump provides power for the water ejector.
Furthermore, a cooling coil is further arranged in the low-pressure steam condensate tank, and a cooling water inlet pipe and a cooling water return pipe are arranged on the cooling coil.
Further, a condensate water discharge pump and a condensate water discharge pipe are also arranged in the low-pressure steam condensate water tank.
Further, a scraper driving wheel, a crystallization scraper chain plate and a scraper driven wheel are arranged in the negative pressure evaporator, and the scraper driving wheel drives the crystallization scraper chain plate and the scraper driven wheel to operate.
Further, the crystallization scraper chain plate is connected with a collecting hopper.
Further, the lower end of the collecting hopper is provided with a discharging shut-off machine.
Compared with the prior art, the utility model has the advantages that:
1. The treatment device provided by the utility model is applicable to various media, can treat high-salt wastewater, garbage leachate concentrated water, seawater and other high-salt concentrated water generated in the production process, and has wide application range;
2. The heat source type used by the treatment device is various, and the heat sources such as flue gas, hot water, hot air, heat conducting oil and the like after dust removal can be utilized, so that the waste heat generated by equipment can be utilized for heating, and the heat utilization rate of the whole plant is improved;
3. the inside of the evaporator is negative pressure, so that boiling and evaporation of high-salt concentrated water are realized at a lower temperature, and the probability of scaling inside is effectively reduced;
4. the evaporator has simple internal structure and is convenient to maintain;
5. The flow of water inlet and heat source is adjustable, the system can realize variable load operation, the load application range is wide, and the applicability of various working conditions is strong;
6. The whole system has simple process flow and can realize the automation of the whole flow;
7. The negative pressure in the evaporator is adjustable, the temperature of the medium in the evaporator can be controlled, and the boiling point of the medium has wide application range;
8. The device disclosed by the utility model is airtight in the whole use process, environment-friendly and capable of ensuring the safety and health of operators.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the device of the present utility model;
1, a negative pressure treatment shell; 2. a negative pressure evaporator; 3. a crystallization scraper chain plate; 4. a squeegee drive wheel; 5. a scraper driven wheel; 6. a collection bucket; 7. discharging and turning off a fan; 8. a high-salt concentrated water atomizer; 9. a heat source inlet; 10. a heat source outlet; 11. an atomizer inlet; 12. a low pressure steam vent; 13. a low pressure steam condensate tank; 14. a variable-frequency submersible pressure pump; 15. a water ejector; 16. a cooling coil; 17. a condensate discharge pump; 18. a condensate discharge pipe; 19. a cooling water inlet pipe; 20. and a cooling water return pipe.
Detailed Description
The technical solution of the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description, but the scope of the utility model is not limited to the scope expressed by examples.
Example 1
As shown in fig. 1, the utility model provides a negative pressure treatment system for evaporating and crystallizing strong brine, which comprises a negative pressure treatment shell 1, wherein a negative pressure evaporator 2 is arranged in the negative pressure treatment shell 1, an atomizer inlet 11 and a low-pressure steam outlet 12 are arranged at the top end of the negative pressure treatment shell 1, a heat source inlet 9 and a heat source outlet 10 are arranged on the side wall of the negative pressure treatment shell, and a heat source enters the negative pressure treatment shell 1 from the heat source inlet 9 and is discharged out of the system from the heat source outlet 10 after heat exchange is completed.
The lower part of the atomizer inlet 11 is communicated with a high-salt concentrated water atomizer 8 arranged in the negative pressure evaporator 2; the low-pressure steam outlet 12 is connected to a low-pressure steam condensate tank 13. The high-salt concentrated water atomizer 8 atomizes and disperses the high-salt concentrated water into a system and uniformly heats the high-salt concentrated water.
The low-pressure steam condensing water tank 13 is internally provided with a water ejector 15, a variable-frequency submersible pressure pump 14 and a cooling coil 16, the variable-frequency submersible pressure pump 14 provides power for the water ejector 15, the cooling coil 16 is provided with a cooling water inlet pipe 19 and a cooling water return pipe 20, and the low-pressure steam condensing water tank 13 is internally provided with a condensate discharge pump 17 and a condensate discharge pipe 18. The water vapor and non-condensable gases in the negative pressure evaporator 2 are pumped from the low pressure steam outlet 12 to the low pressure steam condensate tank 13, and then discharged out of the system after heat exchange is completed through the cooling coil 16.
The negative pressure evaporator 2 is internally provided with a scraper driving wheel 4, a crystallization scraper chain plate 3 and a scraper driven wheel 5, and the scraper driving wheel 4 drives the crystallization scraper chain plate 3 and the scraper driven wheel 5 to operate. The crystallization scraper chain plate 3 is connected with a collection bucket 6, and the lower end of the collection bucket 6 is provided with a discharging shut-off fan 7. The crystallization salt generated in the negative pressure evaporator 2 is conveyed into the collecting hopper 6 by the crystallization scraper chain plate 3, and finally discharged by the discharging fan 7.
The working flow of the utility model is as follows:
The heat source enters the negative pressure treatment shell 1 from the heat source inlet 9, the heat source can be selected from flue gas, hot water, hot air, heat conducting oil and the like after dust removal, and the heat source is discharged out of the system from the heat source outlet 10 after exchanging heat with high-salt concentrated water in the negative pressure evaporator 2 in the negative pressure treatment shell 1.
The high-salt concentrated water enters the high-salt concentrated water atomizer 8 through the atomizer inlet 11, is atomized through the atomizer 8, is dispersed into a system, is uniformly heated, and is collected at the bottom of the evaporator to be continuously enriched and crystallized; the scraper driving wheel 4 drives the crystallization scraper chain plate 3 and the scraper driven wheel 5 to operate, crystalline salt in the negative pressure evaporator 2 is conveyed into the collecting hopper 6, and is periodically discharged through the discharging shut-off fan 7 arranged below the collecting hopper 6.
The variable-frequency submersible pressure pump 14 is used for providing power for the water ejector 15 to form a suction effect, and water vapor and non-condensable gas in the negative pressure evaporator 2 are pumped out from the low-pressure vapor outlet 12 to form negative pressure in the evaporator; the mixed liquid at the outlet of the water injector 15 exchanges heat with the cooling water in the cooling coil 16, and transfers heat to the cooling water in the cooling coil 16; cooling water enters the cooling coil 16 through a cooling water inlet pipe 19 and flows out through a cooling water return pipe 20 to take heat of the cooling coil 16 out; the condensed water vapor is accumulated in the low-pressure steam condensate tank 13, and when a certain liquid level is reached, the condensate in the low-pressure steam condensate tank 13 is discharged from the system through the condensate discharge pipe 18 by the condensate discharge pump 17 and is delivered to a water point.
The utility model can treat high-salt wastewater, garbage leachate concentrated water, seawater and other high-salt concentrated water generated in the production process, has wide application range and has the advantages of environmental protection and energy conservation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The negative pressure treatment system for evaporating and crystallizing the strong brine is characterized by comprising a negative pressure treatment shell, wherein a negative pressure evaporator is arranged in the negative pressure treatment shell, an atomizer inlet and a low-pressure steam outlet are arranged at the top end of the negative pressure treatment shell, and a heat source inlet and a heat source outlet are arranged on the side wall of the negative pressure treatment shell;
The lower part of the atomizer inlet is communicated with a high-salt concentrated water atomizer arranged in the negative pressure evaporator;
the low-pressure steam outlet is communicated with a low-pressure steam condensation water tank.
2. The negative pressure treatment system for evaporation and crystallization of strong brine according to claim 1, wherein a water injector and a variable-frequency submersible pressurization pump are arranged in the low-pressure steam condensate tank, and the variable-frequency submersible pressurization pump provides power for the water injector.
3. The negative pressure treatment system for evaporation and crystallization of strong brine according to claim 2, wherein a cooling coil is further arranged in the low-pressure steam condensate tank, and a cooling water inlet pipe and a cooling water return pipe are arranged on the cooling coil.
4. The negative pressure treatment system for evaporation crystallization of strong brine according to claim 3, wherein a condensate discharge pump and a condensate discharge pipe are further provided in the low pressure steam condensate tank.
5. The negative pressure treatment system for evaporating and crystallizing strong brine according to claim 1, wherein a scraper driving wheel, a crystallization scraper chain plate and a scraper driven wheel are arranged in the negative pressure evaporator, and the scraper driving wheel drives the crystallization scraper chain plate and the scraper driven wheel to operate.
6. The negative pressure treatment system for evaporative crystallization of strong brine according to claim 5, wherein the crystallization scraper chain plate is connected with a collection bucket.
7. The negative pressure treatment system for evaporation crystallization of strong brine according to claim 6, wherein a discharging shut-off fan is provided at a lower end of the collecting hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323119036.5U CN221217261U (en) | 2023-11-20 | 2023-11-20 | Negative pressure treatment system for evaporating and crystallizing strong brine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323119036.5U CN221217261U (en) | 2023-11-20 | 2023-11-20 | Negative pressure treatment system for evaporating and crystallizing strong brine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221217261U true CN221217261U (en) | 2024-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323119036.5U Active CN221217261U (en) | 2023-11-20 | 2023-11-20 | Negative pressure treatment system for evaporating and crystallizing strong brine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221217261U (en) |
-
2023
- 2023-11-20 CN CN202323119036.5U patent/CN221217261U/en active Active
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| GR01 | Patent grant |