CN208603941U - High-salt wastewater low-temperature evaporation device - Google Patents
High-salt wastewater low-temperature evaporation device Download PDFInfo
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- CN208603941U CN208603941U CN201821089245.6U CN201821089245U CN208603941U CN 208603941 U CN208603941 U CN 208603941U CN 201821089245 U CN201821089245 U CN 201821089245U CN 208603941 U CN208603941 U CN 208603941U
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- evaporating column
- salt wastewater
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- evaporation device
- temperature evaporation
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- 238000001704 evaporation Methods 0.000 title claims abstract description 89
- 239000002351 wastewater Substances 0.000 title claims abstract description 42
- 230000008020 evaporation Effects 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to high-salt wastewater processing technology fields, are a kind of high-salt wastewater low-temperature evaporation device, High pressure feeding pump, preheater, evaporating column, condenser, air blower, high-pressure circulation pump, centrifuge.The utility model reasonable and compact in structure, easy to use, the principle using atomization becomes mist in evaporating column and is evaporated by high-salt wastewater under normal pressure and 58 DEG C to 62 DEG C of cryogenic conditions, substitution effect evacuator body.The utility model not only improves evaporation efficiency, it is substantially reduced the consumption of steam, make high-salt wastewater in evaporating column this dynamic environment again, gas is staggeredly gone with liquid always, it is less scaling in running equipment, utilization rate of equipment and installations is improved, the cost of investment of vaporising device, has the characteristics that safe, laborsaving, easy, efficient when reducing high-salt wastewater processing.
Description
Technical field
The utility model relates to high-salt wastewater processing technology fields, are a kind of high-salt wastewater low-temperature evaporation devices.
Background technique
It is mainly to be utilized between solvent and solute using more method at present using evaporation technique processing high-salt wastewater
Boiling point difference, surface or internal gasification occur under certain temperature, air pressure by controlling water, solvent is separated with solute
Process.Through pervaporation, the high pollutant of boiling point is left in evaporation raffinate, and low-boiling water will be discharged in the form of condensate liquid.
In comparison, multi-effect evaporator consumes a large amount of steam, and demand for energy is big；Evaporator cost of investment is high, all approves in the industry
Common problem.
Summary of the invention
The utility model provides a kind of high-salt wastewater low-temperature evaporation device, overcomes the defects of the prior art,
It can effectively solve in existing high-salt wastewater technology that evaporation efficiency is low, steam consumption is big, the easy fouling of equipment and vaporising device are thrown
Provide problem at high cost.
The technical solution of the utility model is realized by following measures: a kind of high-salt wastewater low-temperature evaporation device,
Including High pressure feeding pump, preheater, evaporating column, condenser, air blower, high-pressure circulation pump, centrifuge, High pressure feeding pump input end
It is connected with high-salt wastewater pipeline, first segment feeding line is communicated between High pressure feeding pump outlet end and preheater feed end,
Second segment feeding line, lower part in evaporating column tower body are communicated between preheater discharge end and the feed opening on evaporating column tower body top
It is provided with reservoir, first segment discharging pipeline is communicated between the discharge port and high-pressure circulation pump feed end of reservoir, high pressure is followed
Second segment discharging pipeline is communicated between ring pump discharge end and centrifuge feed end, centrifuge discharge end is connected with crystal salt pipeline
It is logical, condenser admission line, condenser outlet side and drum are communicated between the tower top outlet side and condenser inlet end of evaporating column
It is communicated with condenser outlet line between blower inlet end, gas inlet end, air blower outlet are provided on the tower body of evaporating column
It is communicated with insufflation line between end and the gas inlet end of evaporating column, condenser bottom leakage fluid dram is connected with condensate return pipeline
It is logical.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned preheater is tube shell type structure.
Top in above-mentioned evaporating column is provided with demister, and liquid point is provided at the feed opening in evaporating column tower body top
Cloth device is equipped at least two layers with The upper column plate between liquid distribution trough and reservoir, every layer of column plate edge is provided with baffle plate.
Liquidometer is installed on above-mentioned reservoir, thermometer is installed in the middle part of evaporating column tower body.
It is communicated with evaporating column pipeloop between above-mentioned second segment feeding line and second segment discharging pipeline, or/and, centrifugation
Mother liquid coming return piping is communicated between machine water outlet and second segment feeding line.
The utility model reasonable and compact in structure, easy to use, the utility model not only improves evaporation efficiency, hence it is evident that reduces
The consumption of steam, and make high-salt wastewater in evaporating column this dynamic environment, gas is staggeredly gone with liquid always, is transported
It is less scaling in row equipment, utilization rate of equipment and installations is improved, the cost of investment of vaporising device, has when reducing high-salt wastewater processing
Safe, laborsaving, easy, efficient feature.
Detailed description of the invention
Attached drawing 1 is the process structure figure of the utility model high-salt wastewater low-temperature evaporation device.
Coding in attached drawing 1 is respectively as follows: 1 for High pressure feeding pump, and 2 be preheater, and 3 be evaporating column, and 4 be condenser, and 5 be drum
Blower, 6 be high-pressure circulation pump, and 7 be centrifuge, and 8 be demister, and 9 be liquid distribution trough, and 10 be thermometer, and 11 be liquidometer, 12
It is high-salt wastewater pipeline for baffle plate, 13,14 be first segment feeding line, and 15 be second segment feeding line, and 16 go out for first segment
Expects pipe line, 17 be second segment discharging pipeline, and 18 be crystal salt pipeline, and 19 be condenser admission line, and 20 be condenser escape pipe
Line, 21 be insufflation line, and 22 be condensate return pipeline, and 23 be evaporating column pipeloop, and 24 be mother liquid coming return piping, and 25 are
Reservoir, 26 be column plate.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1, the high-salt wastewater low-temperature evaporation device include High pressure feeding pump 1, it is preheater 2, evaporating column 3, cold
Condenser 4, air blower 5, high-pressure circulation pump 6, centrifuge 7,1 input end of High pressure feeding pump are connected with high-salt wastewater pipeline 13, high
First segment feeding line 14,2 discharge end of preheater and evaporation are communicated between pressure 1 outlet end of feed pump and 2 feed end of preheater
Second segment feeding line 15 is communicated between the feed opening on 3 tower body top of tower, lower part is provided with reservoir in 3 tower body of evaporating column
25, first segment discharging pipeline 16, high-pressure circulation pump 6 are communicated between 6 feed end of discharge port and high-pressure circulation pump of reservoir 25
Second segment discharging pipeline 17,7 discharge end of centrifuge and 18 phase of crystal salt pipeline are communicated between 7 feed end of discharge end and centrifuge
It is connected to, is communicated with condenser admission line 19,4 outlet of condenser between 4 inlet end of tower top outlet side and condenser of evaporating column 3
It is communicated with condenser outlet line 20 between end and 5 inlet end of air blower, is provided with gas inlet end on the tower body of evaporating column 3,
Be communicated with insufflation line 21 between 5 outlet side of air blower and the gas inlet end of evaporating column 3,4 bottom leakage fluid dram of condenser with it is cold
Condensate return piping 22 is connected.
Above-mentioned high-salt wastewater low-temperature evaporation device can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, preheater 2 is tube shell type structure.
Preheater 2 is tube shell type structure, is high-salt wastewater in tube side, is steam in shell side, by exchanging heat high-salt wastewater
58 DEG C to 62 DEG C are preheated to, at this temperature, 3 operational effect of evaporating column is best, evaporation efficiency highest.
As shown in Fig. 1, the top in evaporating column 3 is provided with demister 8, at the feed opening in 3 tower body top of evaporating column
It is provided with liquid distribution trough 9, at least two layers is equipped between liquid distribution trough 9 and reservoir 25 with The upper column plate 26, every layer of column plate
Edge is provided with baffle plate 12.
Demister 8 can efficiently separate the droplet of the Vapor Entrainment in evaporating column 3, improve the evaporation efficiency of evaporating column 3.
When high-salt wastewater flows to 3 bottom column plate 26 of evaporating column from 3 top layer column plate of evaporating column, column plate 26 and horizontal line are in 10
Inclination angle is spent, prevents solid salt to be detained too long, blocking high-salt wastewater flowing, while baffle plate 12 is set, it can increase with high salt useless
Residence time of the water on column plate 26 improves evaporation effect.
The import of liquid distribution trough 9 is connected with the feed opening on 3 tower body top of evaporating column, and material enters evaporating column after preheating
After being sprayed in 3 by liquid distribution trough 9, falling on 3 top layer column plate 26 of evaporating column, material passes through the layer-by-layer column plate 26 of evaporating column 3,
It is finally collected in reservoir 25.
As shown in Fig. 1, liquidometer 11 is installed on reservoir 25, thermometer 10 is installed in the middle part of 3 tower body of evaporating column.
As shown in Fig. 1, evaporating column circulation pipe is communicated between second segment feeding line 15 and second segment discharging pipeline 17
Line 23, or/and, mother liquid coming return piping 24 is communicated between 7 water outlet of centrifuge and second segment feeding line 15.
When the liquid level of reservoir 25 is too low, the meeting stop jumping of high-pressure circulation pump 6 influences high-salt wastewater low-temperature evaporation device and normally transports
It goes, the liquidometer 11 on reservoir 25, it can be ensured that when evaporating column 3 is run, the reservoir 25 of evaporating column 3 can be monitored in time
When liquid level is too low, the liquid level of reservoir 25 is replenished in time by evaporating column pipeloop 23 for liquid level, guarantees that high-salt wastewater low temperature steams
Transmitting apparatus operates normally.
In air blower 5 air quantity be 1100 cubic metres per hour to 1300 cubic metres per hour, so as to blow air into evaporation
It is recycled in tower 3.
In conclusion principle of the utility model high-salt wastewater low-temperature evaporation device using atomization, by high-salt wastewater normal
Under pressure and 58 DEG C to 62 DEG C of cryogenic conditions, becomes mist in evaporating column and be evaporated, substitution effect evacuator body.The utility model
Improve evaporation efficiency, hence it is evident that the consumption of steam is reduced, and makes high-salt wastewater in evaporating column this dynamic environment, gas
Body is staggeredly gone with liquid always, less scaling in running equipment, improves utilization rate of equipment and installations, when reducing high-salt wastewater processing
The cost of investment of vaporising device.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of the best embodiment of the utility model: when the utility model high-salt wastewater low-temperature evaporation device is run,
High pressure feeding pump 1 send high-salt wastewater liquid to preheater 2 by first segment feeding line 14, and preheated device heat exchange is warming up to 58
It is uniform through liquid distribution trough 9 by second segment feeding line 15 to the feed opening on 3 tower body top of evaporating column DEG C to after 62 DEG C
For stream on column plate 26, liquid reaches next layer of column plate after reaching baffle plate 12 again, is finally collected in the reservoir 25 of tower bottom, stores up
Liquid in liquid bath 25 is sent a portion liquid to centrifuge 7, warp by high-pressure circulation pump 6 through first segment discharging pipeline 16
After centrifugation water removal, crystal salt and mother liquid coming are obtained, the crystallized salt pipeline 18 of crystal salt is delivered to packet assembler, and mother liquid coming is through mother liquor
Water return piping 24 is sent to second segment feeding line 15, with the output of high-pressure circulation pump 6 through the another of evaporating column pipeloop 23
Partially liq is sent together to circulating and evaporating again in evaporating column 3, and the gas in evaporating column 3 is after demister 8 removes droplet, warp
Condenser admission line 19 enters in condenser 4, and condensed water is sent through condensate return pipeline 22 to recycling condensing water system,
Uncooled gas is sent through condenser outlet line 20 to air blower 5, is passed through uncooled gas and outside air by air blower 5
Insufflation line 21 is sent together to recycling in evaporating column 3.
Claims (8)
1. a kind of high-salt wastewater low-temperature evaporation device, it is characterised in that including High pressure feeding pump, preheater, evaporating column, condenser,
Air blower, high-pressure circulation pump, centrifuge, High pressure feeding pump input end are connected with high-salt wastewater pipeline, high pressure charging pump discharge
First segment feeding line, the feed opening of preheater discharge end and evaporating column tower body top are communicated between end and preheater feed end
Between be communicated with second segment feeding line, lower part is provided with reservoir in evaporating column tower body, and discharge port and the high pressure of reservoir are followed
It is communicated with first segment discharging pipeline between ring pump feed end, the is communicated between high-pressure circulation pump discharge end and centrifuge feed end
Two sections of discharging pipelines, centrifuge discharge end are connected with crystal salt pipeline, the tower top outlet side of evaporating column and condenser inlet end
Between be communicated with condenser admission line, condenser outlet line is communicated between condenser outlet side and air blower inlet end,
It is provided with gas inlet end on the tower body of evaporating column, air blowing is communicated between air blower outlet side and the gas inlet end of evaporating column
Pipeline, condenser bottom leakage fluid dram are connected with condensate return pipeline.
2. high-salt wastewater low-temperature evaporation device according to claim 1, it is characterised in that preheater is tube shell type structure.
3. high-salt wastewater low-temperature evaporation device according to claim 1 or 2, it is characterised in that the top setting in evaporating column
There is demister, is provided with liquid distribution trough at the feed opening in evaporating column tower body top, pacifies between liquid distribution trough and reservoir
Equipped at least two layers with The upper column plate, every layer of column plate edge is provided with baffle plate.
4. high-salt wastewater low-temperature evaporation device according to claim 1 or 2, it is characterised in that be equipped with liquid level on reservoir
Meter, evaporating column tower body middle part are equipped with thermometer.
5. high-salt wastewater low-temperature evaporation device according to claim 3, it is characterised in that liquidometer is installed on reservoir,
Thermometer is installed in the middle part of evaporating column tower body.
6. high-salt wastewater low-temperature evaporation device described according to claim 1 or 2 or 5, it is characterised in that second segment feeding line
Be communicated with evaporating column pipeloop between second segment discharging pipeline, or/and, centrifuge water outlet and second segment feeding line it
Between be communicated with mother liquid coming return piping.
7. high-salt wastewater low-temperature evaporation device according to claim 3, it is characterised in that second segment feeding line and second
It is communicated with evaporating column pipeloop between section discharging pipeline, or/and, it is connected between centrifuge water outlet and second segment feeding line
There is mother liquid coming return piping.
8. high-salt wastewater low-temperature evaporation device according to claim 4, it is characterised in that second segment feeding line and second
It is communicated with evaporating column pipeloop between section discharging pipeline, or/and, it is connected between centrifuge water outlet and second segment feeding line
There is mother liquid coming return piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089245.6U CN208603941U (en) | 2018-07-10 | 2018-07-10 | High-salt wastewater low-temperature evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089245.6U CN208603941U (en) | 2018-07-10 | 2018-07-10 | High-salt wastewater low-temperature evaporation device |
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| Publication Number | Publication Date |
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| CN208603941U true CN208603941U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821089245.6U Active CN208603941U (en) | 2018-07-10 | 2018-07-10 | High-salt wastewater low-temperature evaporation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372140A (en) * | 2019-06-17 | 2019-10-25 | 南京颐维环保科技有限公司 | A kind of low-temperature evaporation processing unit |
| CN112047408A (en) * | 2020-07-16 | 2020-12-08 | 安徽同速环保科技有限公司 | High-salt high-organic-matter wastewater treatment evaporation tower and treatment method thereof |
| CN112694207A (en) * | 2020-11-26 | 2021-04-23 | 湖南湘奈环保科技有限责任公司 | Novel emulsification evaporation system |
| CN112744882A (en) * | 2021-01-22 | 2021-05-04 | 嘉兴港区工业污水处理有限公司 | Recycling system of toxic and harmful degradation-resistant wastewater |
-
2018
- 2018-07-10 CN CN201821089245.6U patent/CN208603941U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372140A (en) * | 2019-06-17 | 2019-10-25 | 南京颐维环保科技有限公司 | A kind of low-temperature evaporation processing unit |
| CN112047408A (en) * | 2020-07-16 | 2020-12-08 | 安徽同速环保科技有限公司 | High-salt high-organic-matter wastewater treatment evaporation tower and treatment method thereof |
| CN112694207A (en) * | 2020-11-26 | 2021-04-23 | 湖南湘奈环保科技有限责任公司 | Novel emulsification evaporation system |
| CN112744882A (en) * | 2021-01-22 | 2021-05-04 | 嘉兴港区工业污水处理有限公司 | Recycling system of toxic and harmful degradation-resistant wastewater |
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