CN110482753B - High-concentration industrial waste liquid separation device and method - Google Patents
High-concentration industrial waste liquid separation device and method Download PDFInfo
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- CN110482753B CN110482753B CN201810462400.2A CN201810462400A CN110482753B CN 110482753 B CN110482753 B CN 110482753B CN 201810462400 A CN201810462400 A CN 201810462400A CN 110482753 B CN110482753 B CN 110482753B
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- 239000007788 liquid Substances 0.000 title claims abstract description 66
- 239000002440 industrial waste Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000000889 atomisation Methods 0.000 claims abstract description 49
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- 238000009834 vaporization Methods 0.000 claims abstract description 24
- 230000008016 vaporization Effects 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 26
- 150000003839 salts Chemical class 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 21
- 238000010992 reflux Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000013064 chemical raw material Substances 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 238000009688 liquid atomisation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a high-concentration industrial waste liquid separation device and a method, wherein one end of a water pump of the device is connected with a waste water pond through a water suction pipe, the other end of a first water pump is connected with the inlet end of an atomization vaporization chamber through a first water pipe, at least one atomization nozzle is arranged in the atomization vaporization chamber, the atomization nozzle is provided with two interfaces and two concentric nozzles, one interface of the atomization nozzle is connected with waste water, and the other interface of the atomization nozzle is connected with a steam pipe; the atomization vaporization chamber is connected with the filter chamber through a first pipeline, the upper end of the filter chamber is connected with a reverse blowing steam pipe, the lower end of the filter chamber is connected with a crystal collecting box, the filter chamber is connected with the condenser through a second pipeline, an automatic drainage valve is connected below one side of the condenser, and a condensing water tank is connected to the outlet of the automatic drainage valve; by the method corresponding to the device, the recycling of raw materials is realized, and zero emission of wastewater is achieved.
Description
Technical Field
The invention provides a high-concentration industrial waste liquid separation device and a high-concentration industrial waste liquid separation method, and relates to the technical field of environmental protection, including industry and the like, in which industrial waste water is generated and needs to be recovered and recycled.
Background
With the improvement of modern technological level and the improvement of environmental protection requirement, a great amount of wastewater discharged by some industrial industries at present often contains a great amount of chemical substances and the like, industrial waste liquid such as water washing waste water, acid washing waste water and the like is generated in the production process through one or more procedures, and a certain high-viscosity acid liquid is often brought into water by a workpiece to be wasted, wherein the high-viscosity acid liquid usually contains metal salt, water and the like, so that the wastewater can be discharged after purification treatment. The best effort is to realize the zero discharge of industrial wastewater. For such waste water, roasting method, neutralization method and other processes are commonly adopted at home at present, but the processes in the treatment processes are complex, the cost is high, and resource waste and secondary pollution can be caused.
In view of this, there is an urgent need to design a new industrial waste liquid separation device and method that is adaptable to various states so as to overcome the above-mentioned drawbacks of the existing treatment of industrial waste liquid.
Disclosure of Invention
The invention aims at the problems existing in the existing industrial waste liquid treatment process, and achieves the effects of zero emission and environmental protection of industrial waste water in order to improve the treatment effect of industrial waste liquid. Meanwhile, industrial chemical raw materials and industrial water can be recycled, the use of clean water is saved, and the industrial raw materials are saved, so that the cost is saved, and the environmental pollution is reduced. A high concentration industrial waste liquid separation device and method are provided.
In order to achieve the above object, the present invention provides a high-concentration industrial waste liquid separation device comprising: the device comprises a waste liquid pool, a water suction pipe, a first water pump, a first water pipe, an atomization vaporization chamber, an atomization nozzle, a steam pipe, a first pipeline, a filter chamber, a crystal collecting box, a second pipeline, a condenser, an automatic drainage valve and a condensate water tank; one end of the first water pump is connected with the waste liquid pool through a water suction pipe, the other end of the first water pump is connected with the inlet end of the atomization vaporization chamber through the first water pipe, at least one atomization nozzle is arranged in the atomization vaporization chamber, the atomization nozzle is provided with two interfaces and two concentric nozzles, one interface of the atomization nozzle is connected with waste water, and the other interface of the atomization nozzle is connected with a steam pipe; the atomization vaporization chamber is connected with the filter chamber through a first pipeline, the upper end of the filter chamber is connected with a reverse blowing steam pipe, the lower end of the filter chamber is connected with a crystal collecting box, the filter chamber is connected with the condenser through a second pipeline, an automatic drainage valve is connected below one side of the condenser, and a condensing water tank is connected to the outlet of the automatic drainage valve.
Further, a valve for controlling the speed of the wastewater entering the atomization vaporization chamber is arranged on the water suction pipe between the first water pump and the waste liquid pool.
Further, a tee joint is arranged between the valve and the first water pump, a reflux water pipe is arranged at the third end of the tee joint, and the other end of the reflux water pipe is connected with the waste liquid pool.
Further, a reflux valve for controlling the speed of the wastewater in the tee joint flowing back to the wastewater tank is arranged on a reflux water pipe between the tee joint and the wastewater tank.
Further, the top of the filter chamber is provided with a reverse blowing steam pipe for reversely blowing chemical salt crystallization on the filter membrane.
Further, the bottom of the condenser is connected with the waste liquid pool through a second water pipe, and a second water pump is arranged on the second water pipe; the top of the condenser is connected with the waste liquid pool through a third water pipe.
The method for adopting the high-concentration industrial waste liquid separation device comprises the following steps:
(1) Pumping the wastewater in the wastewater tank to a wastewater interface end of an atomization nozzle in an atomization vaporization chamber through a first water pump;
(2) When the speed of the wastewater entering the atomization vaporization chamber needs to be controlled, the spraying speed and the spraying quantity of the wastewater can be simultaneously controlled through a valve and a reflux valve;
(3) The high-temperature steam and the wastewater are sprayed out of the concentric nozzles simultaneously to generate atomization, and the high-temperature steam is used for atomizing and heating the liquid to generate high-temperature atomization, so that atomized water and chemical salt in the wastewater are vaporized and evaporated;
(4) Crystallizing and separating out the high-temperature vaporized chemical salt into smaller particles at a higher temperature, and introducing the particles of the crystallized salt and atomized steam into a filtering chamber through a first pipeline due to the pressure difference between the front part and the rear part of the whole system;
(5) The small granular chemical raw material salt separated out by high-temperature crystallization enters the filtering chamber together with the steam, and the steam can pass through the filtering membrane as the high-temperature resistant filtering membrane is arranged in the filtering chamber, and the small granular chemical raw material salt is filtered and intercepted by the filtering membrane;
(6) After a certain amount of crystalline salt is attached to the filtering membrane, the reverse blowing steam pipe at the upper part of the filtering chamber releases high-temperature and high-pressure steam at fixed time to reversely blow the filtering membrane, so that the crystalline salt attached to the filtering membrane falls off from the filtering membrane and falls into the crystal collecting box below;
(7) The high-temperature steam passing through the filtering membrane reaches the condenser through a second pipeline under the pressure of the front high-pressure gas, the condenser extracts cold waste liquid from the waste liquid pool through a second water pump as a condensing medium through a second water pipe, and the high-temperature steam in the condenser is cooled to condense the high-temperature steam into liquid condensate water, and the liquid condensate water is discharged from an automatic drainage valve, enters a condensate water tank and is collected;
(8) Because the front part of the whole system uses a water pump and high-temperature high-pressure steam to provide power and pressure, the front part of the system has higher pressure, and the rear part of the system is in a normal pressure state, so that the whole system has a pressure difference from the front part to the rear part, and the pressure difference is the power for moving steam and granular crystalline salt from the front part to the rear part.
The beneficial effects of adopting above-mentioned technical scheme are: the treatment effect of the wastewater is improved, and the effects of zero emission of the wastewater and environmental protection are achieved. Meanwhile, industrial raw materials and industrial water can be recycled, the use of clean water is saved, and the purposes of saving the industrial raw materials, saving the cost and reducing the environmental pollution are achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The device comprises a 1-waste liquid pool, a 2-water suction pipe, a 3-first water pump, a 4-tee joint, a 5-backflow valve, a 6-backflow water pipe, a 7-valve, an 8-first water pipe, a 9-atomization vaporization chamber, a 10-atomization nozzle, an 11-steam pipe, a 12-first pipeline, a 13-filter chamber, a 14-reverse injection steam pipe, a 15-second pipeline, a 16-condensation chamber, a 17-automatic drainage valve, a 18-condensation water tank, a 19-crystal collecting box, a 20-second water pipe, a 21-third water pipe and a 22-second water pump.
Detailed Description
The apparatus and method for efficiently separating high-concentration industrial waste liquid according to the present invention will be described in detail with reference to specific examples.
As shown in figure 1, the high-efficiency separation device for high-concentration industrial waste liquid comprises a waste liquid pool 1, a first water pump 3 is communicated with the waste liquid pool 1 through a water suction pipe 2, a tee joint 4 is connected to the rear of the first water pump 3, a valve 7 is connected to the rear of the tee joint 4, the valve 7 is connected to one port of an atomization nozzle 10 in an atomization vaporization chamber 9 through a water pipe 8, a third outlet of the tee joint 4 is connected to a backflow valve 5, the backflow valve 5 is communicated with the waste liquid pool 1 through a backflow water pipe 6, the other port of the atomization nozzle 10 is connected to a steam pipe 11, an air outlet of the atomization vaporization chamber 9 is connected to a filter chamber 13 through a first pipeline 12, a high-temperature-resistant filter membrane is arranged in the filter chamber 13, a high-pressure reverse-jet steam pipe 14 is arranged at the top of the filter chamber 13, the bottom of the filter chamber 13 is connected to a crystal collecting box 19, the filter chamber 13 is connected to a condenser 16 through a second pipeline 15, a water inlet end of the condenser 16 is connected to a second water pump 22 through a second water pipe 20, a water outlet end of the condenser 16 is connected to the waste liquid pool 1 through a third water pipe 21, and a water outlet end of the condenser 16 is connected to the automatic water outlet of the condenser 16 through a water pipe 17.
The working process of the method adopting the high-concentration industrial waste liquid separation device in the scheme is as follows: the first water pump 3 draws waste liquid from the waste liquid pool 1 through the water suction pipe 2 and is connected with an interface of an atomizing nozzle 10 in the atomizing vaporization chamber 9 through a tee joint 4, a valve 7 and a first water pipe 8, two inlet interfaces are arranged in the atomizing nozzle 10, two concentric nozzles are arranged, a third outlet of the tee joint 4 is connected with the reflux valve 5, the flow rate of the waste liquid drawn by the first water pump 3 is adjusted through the valve 7, the surplus waste liquid after atomization is formed through the atomizing nozzle, the waste liquid flows back into the waste liquid pool 1 through the reflux valve 5 and the reflux water pipe 6 through a third outlet of the tee joint 4, and the reflux valve 5 and the valve 7 can mutually control and adjust the spraying speed and the atomizing flow rate of the waste liquid. The other interface of the atomizing nozzle 10 is connected with a steam pipe 11 for receiving high-temperature high-pressure steam with the temperature of 140 ℃ to 150 ℃ and the temperature of 0.4 to 0.5Mpa provided by the outside. The water atomization nozzle 10 in the atomization vaporization chamber 9 is connected with a waste liquid to generate liquid atomization, one inlet port is connected with a high-pressure steam pipe of 0.4-0.5Mpa, the steam temperature reaches 140-150 ℃, the waste liquid and the steam are sprayed out from two concentric nozzles at the same time, the high-temperature steam heats the liquid spray to generate high-temperature atomization, so that the atomization temperature reaches 120-130 ℃, and chemical salt in the liquid atomization can be crystallized and separated out to generate fine particles when the temperature is higher. The steam pipe 11 is connected with an external steam chamber. The gas outlet of the atomization vaporization chamber 9 is connected with the gas inlet of the filter chamber 13 through a pipeline 12, a high-temperature resistant filter membrane is arranged in the filter chamber 13, a salt crystal collecting box 19 is arranged at the bottom of the filter chamber, and a large pressure difference exists between the gas inlet end and the gas outlet end of the filter chamber 13 due to the high steam pressure provided by steam in the atomization vaporization chamber 9, so that salt crystal particles are attached to the filter membrane. The upper part of the filtering chamber 13 is connected with a filtering film direction blowing steam pipe 14, and strong reverse impact force blows chemical salt crystals attached to the filtering film into a crystal collecting box 19 at the bottom to be collected by intermittent high-pressure steam reverse blowing. The air outlet of the filter chamber 13 is connected with the air inlet of a condenser 16 through a pipeline 15, the condenser 16 extracts low-temperature waste liquid from the waste liquid pool 1 through a second water pipe 20 by a second water pump 22, the filtered hot water vapor is cooled and condensed by the condenser 16, and then the filtered hot water vapor returns to the waste liquid pool 1 through a third water pipe 21; the lower part of the air outlet of the condenser 16 is connected with a condensed water collecting tank 18 through an automatic drainage valve 17, and the collected condensed water is recycled in a workshop; through the operation, the emission of wastewater can be reduced, even the zero emission of wastewater is achieved, the recycling rate of wastewater is improved, and meanwhile, the recycled chemical salt crystallization industrial raw materials can be reused, so that the production cost is saved, the environment is protected, and the environmental pollution is reduced.
It should be understood that the foregoing description and drawings include drawings for the purpose of providing a better understanding of the present disclosure, and are not intended to limit the scope of the present disclosure, but are instead intended to cover all modifications or improvements of the above-described embodiments based on the same or similar principles, for the purpose of achieving substantially the same technical purpose.
Claims (7)
1. The high-concentration industrial waste liquid separation device comprises a waste liquid pool (1), a water suction pipe (2), a first water pump (3), a first water pipe (8), an atomization vaporization chamber (9), an atomization spray head (10), a steam pipe (11), a first pipeline (12), a filter chamber (13), a crystal collecting box (19), a second pipeline (15), a condenser (16), an automatic drainage valve (17) and a condensate water tank (18); one end of the first water pump (3) is connected with the waste liquid pool (1) through the water suction pipe (2), the other end of the first water pump (3) is connected with the inlet end of the atomization vaporization chamber (9) through the first water pipe (8), at least one atomization nozzle (10) is arranged in the atomization vaporization chamber (9), the atomization nozzle (10) is provided with two interfaces and two concentric nozzles, one interface of the atomization nozzle is connected with waste water, and the other interface of the atomization nozzle is connected with the steam pipe (11); the atomization vaporization chamber (9) is connected with the filter chamber (13) through a first pipeline (12), the upper end of the filter chamber (13) is connected with a reverse jetting steam pipe (14), the lower end of the filter chamber (13) is connected with a crystal collecting box (19), the filter chamber (13) is connected with a condenser (16) through a second pipeline (15), an automatic drainage valve (17) is connected below one side of the condenser (16), and a condensate water tank (18) is connected at the outlet of the automatic drainage valve (17).
2. The high-concentration industrial waste liquid separation device according to claim 1, wherein: a valve (7) for controlling the speed of the wastewater entering the atomization vaporization chamber (9) is arranged on the water suction pipe (2) between the first water pump (3) and the waste liquid pool (1).
3. The high-concentration industrial waste liquid separating device according to claim 2, wherein: a tee joint (4) is arranged between the valve (7) and the first water pump (3), a reflux water pipe (6) is arranged at the third end of the tee joint (4), and the other end of the reflux water pipe (6) is connected with the waste liquid tank (1).
4. A high concentration industrial waste liquid separation apparatus according to claim 3, wherein: and a reflux valve (5) for controlling the speed of the wastewater in the tee joint (4) to the wastewater in the wastewater tank (1) is arranged on a reflux water pipe (6) between the tee joint (4) and the wastewater tank (1).
5. The high-concentration industrial waste liquid separation device according to claim 1, wherein: the top of the filter chamber (13) is provided with a reverse blowing steam pipe (14) for reversely blowing chemical salt crystallization on the filter membrane.
6. The high-concentration industrial waste liquid separation device according to claim 1, wherein: the bottom of the condenser (16) is connected with the waste liquid pool (1) through a second water pipe (20), and a second water pump (22) is arranged on the second water pipe (20); the top of the condenser (16) is connected with the waste liquid pool (1) through a third water pipe (21).
7. The method of a high concentration industrial waste liquid separation apparatus according to any one of claims 1 to 6, characterized by the steps of the method:
(1) The waste water in the waste liquid pool (1) is pumped to the waste water interface end of an atomization nozzle (10) in an atomization vaporization chamber (9) through a first water pump (3);
(2) When the speed of the wastewater entering the atomization vaporization chamber (9) needs to be controlled, the spraying speed and the spraying quantity of the wastewater can be simultaneously controlled through the valve (7) and the reflux valve (5);
(3) The high-temperature steam and the wastewater are sprayed out of the concentric nozzles simultaneously to generate atomization, and the high-temperature steam is used for atomizing and heating the liquid to generate high-temperature atomization, so that atomized water and chemical salt in the wastewater are vaporized and evaporated;
(4) The chemical salt vaporized at high temperature is crystallized and separated into smaller particles at a higher temperature, and the particles of the crystallized salt and atomized steam enter a filter chamber (13) through a first pipeline (12) due to the pressure difference between the front part and the rear part of the whole system;
(5) The small granular chemical raw material salt separated out by high-temperature crystallization enters the filtering chamber (13) together with the steam, and the steam can pass through the filtering membrane because the high-temperature resistant filtering membrane is arranged in the filtering chamber (13), and the small granular chemical raw material salt is filtered and intercepted by the filtering membrane;
(6) After a certain amount of crystalline salt is attached to the filtering membrane, the reverse blowing steam pipe (14) at the upper part of the filtering chamber releases high-temperature and high-pressure steam at fixed time to reversely blow the filtering membrane, so that the crystalline salt attached to the filtering membrane falls off from the filtering membrane and falls into the crystal collecting box (19) below;
(7) The high-temperature steam passing through the filtering membrane reaches the condenser (16) through a second pipeline (15) under the pressure of the high-pressure gas in the front, the condenser extracts cold waste liquid from the waste liquid pool (1) through a second water pipe (20) as a condensing medium by a second water pump (22), the high-temperature steam in the condenser (16) is cooled, the high-temperature steam is condensed into liquid condensed water, and the liquid condensed water is discharged from an automatic drainage valve (17) and enters a condensing water tank (18) for collection;
(8) Because the front part of the whole system uses a water pump and high-temperature high-pressure steam to provide power and pressure, the front part of the system has higher pressure, and the rear part of the system is in a normal pressure state, so that the whole system has a pressure difference from the front part to the rear part, and the pressure difference is the power for moving steam and granular crystalline salt from the front part to the rear part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810462400.2A CN110482753B (en) | 2018-05-15 | 2018-05-15 | High-concentration industrial waste liquid separation device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810462400.2A CN110482753B (en) | 2018-05-15 | 2018-05-15 | High-concentration industrial waste liquid separation device and method |
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| CN110482753A CN110482753A (en) | 2019-11-22 |
| CN110482753B true CN110482753B (en) | 2024-03-26 |
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| CN116534940A (en) * | 2023-06-01 | 2023-08-04 | 东北电力大学 | Dye wastewater treatment and effective resource recovery device |
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| CN110482753A (en) | 2019-11-22 |
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