CN203545717U - Device for treating highly saline waste water with circulating water afterheat - Google Patents
Device for treating highly saline waste water with circulating water afterheat Download PDFInfo
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- CN203545717U CN203545717U CN201320727755.2U CN201320727755U CN203545717U CN 203545717 U CN203545717 U CN 203545717U CN 201320727755 U CN201320727755 U CN 201320727755U CN 203545717 U CN203545717 U CN 203545717U
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- water
- cooling system
- circulating water
- air cooler
- heat exchange
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000002351 wastewater Substances 0.000 title claims abstract description 36
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title abstract description 7
- 239000011780 sodium chloride Substances 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 230000008020 evaporation Effects 0.000 claims abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000004809 Teflon Substances 0.000 claims abstract description 6
- 229920006362 Teflon® Polymers 0.000 claims abstract description 6
- 238000011161 development Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 14
- 239000003595 mist Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 description 11
- 238000002425 crystallisation Methods 0.000 description 10
- 230000008025 crystallization Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 235000002639 sodium chloride Nutrition 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000010442 halite Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a device for treating highly saline waste water with circulating water afterheat. The device comprises a closed circulating water cooling system, wherein an evaporative air cooler is taken as the heat exchange equipment of the closed circulating water cooling system; the evaporative air cooler comprises an air cooler heat exchange pipe; a sewage pool is arranged at the bottom of the closed circulating water cooling system; the air cooler heat exchange pipe is made of a teflon material; a fan is arranged above the closed circulating water cooling system; a water distribution system and a flushing pipeline are arranged at the top of the closed circulating water cooling system; a circulating pipeline is connected between the sewage pool and the inlet of the air cooler heat exchange pipe; a circulating water pump is arranged on the circulating pipeline; a demister is arranged at the top of the closed circulating water cooling system. The device provided by the utility model evaporates the highly saline waste water with the heat of high-temperature circulating water, and simultaneously, realizes cooling of the circulating water and concentration treatment of the highly saline waste water; compared with the multiple-effect evaporation technology in the prior art, the investment and the energy consumption are greatly saved.
Description
Technical field
The utility model belongs to the treatment facility of the high slat-containing wastewater producing in Coal Chemical Industry industry production process.
Background technology
The gas washing wastewater producing in Coal Chemical Industry industry production process, circulating water system blowdown, pollutent in Desultwater Station draining be take total salinity (TDS) as main, and this part sewage is after Treatment for Reuse, and in outer row's condensed water, TDS is up to 20000～30000mg/L.This strand of high slat-containing wastewater directly discharged as peace and quiet lower water in the past, but in recent years along with social development and environmental consciousness improve, part sensitive area requires the not outer row of waste water, and zero release also more and more becomes a kind of trend in the whole society.And the key that is treated as restriction coal chemical industry wastewater zero emission of high slat-containing wastewater.
At present, apply high slat-containing wastewater treatment process more widely and be mainly multiple-effect evaporation technology.The equipment of multiple-effect evaporation is numerous and jumbled, and one-time investment is very high, and equipment investment per ton of water expense is up to 120～1,500,000 yuan, and its energy consumption is large, and working cost is also very expensive, approximately 60～80 yuan of ton water consumptions.Apparatus expensive, energy consumption is huge, becomes the main obstruction that Coal Chemical Industry industry generally realizes high slat-containing wastewater zero release.
In Coal Chemical Industry industry production process, will use a large amount of recirculated water, recirculated water temperature after heat exchange is increased to 40～42 ℃, circulating water cooling system need to be set independently and after making recirculated water be down to 30～32 ℃, return to circulating water system and make heat transferring medium.The recirculating cooling water system of closed adopts evaporation air cooler to make heat-exchange equipment more, but due in summer, pure air cooling heat-transfer effect is not good, cannot ensure the leaving water temperature(LWT) after circulating water, the general method that makes furnace tube outer wall form moisture film at evaporation air cooler surface spraying clean water that adopts strengthens heat transfer effect.But the method for spraying clean water need to expend great lot of water resources, uneconomical, wastes again clean water resource.
Utility model content
For above-mentioned prior art, the utility model provides a kind of device that utilizes circulating water afterheat to process high slat-containing wastewater, the utility model utilizes the waste heat of circulating water cooling system to concentrate high slat-containing wastewater, and the problem existing to overcome traditional treatment method is saved facility investment and operation energy consumption, the utility model is a kind of brand-new, economy is effectively, stable, realize reliably the treatment process of high slat-containing wastewater, can be widely used in Coal Chemical Industry industry.
The utility model arranges evaporation air cooler, utilize the heat recirculated water of Coal Chemical Industry industry to flow in air cooler heat exchange pipe as thermal source, in the heat exchange of heat exchange pipe external surface spray high slat-containing wastewater, in cooling heat recirculated water, high slat-containing wastewater evaporates rapidly, salinity crystallization, in heat exchange pipe external surface, arranges washpipe and regularly rinses.At the bottom of cooling system tower, sewage lagoon is set, collects concentrated rear remaining high saline sewage and rinse sewage, drain into the crystallization of the crystallization pool.
In order to solve the problems of the technologies described above, the utility model utilizes circulating water afterheat to process the device of high slat-containing wastewater, comprise Development of Full-closed Water-cooling System, described Development of Full-closed Water-cooling System adopts evaporation air cooler as heat-exchange equipment, described evaporation air cooler comprises air cooler heat exchange pipe, the bottom of described Development of Full-closed Water-cooling System is provided with sewage lagoon, and described air cooler heat exchange pipe adopts Teflon material to make; The top of described Development of Full-closed Water-cooling System is provided with blower fan; The top of described Development of Full-closed Water-cooling System is provided with water distribution system and flushing pipeline; From described sewage lagoon, between the import of described air cooler heat exchange pipe, be connected with circulation line, described circulation line is provided with water circulating pump.
Further, at the top of described Development of Full-closed Water-cooling System, be provided with mist eliminator.
Compared with prior art, the beneficial effects of the utility model are:
The utility model has very strong corrodibility for high slat-containing wastewater, selects the Teflon material of good corrosion resistance as the material of air cooler heat exchange pipe, and this material coefficient of heat transfer is high, cheap, and corrosion-resistant, can meet the requirement of system.
The utility model is usingd Coal Chemical Industry industry needs cooling recirculated water as thermal source, in the time of concentrated high slat-containing wastewater, make circulating water to normal temperature meet the requirement of system process, circulating water and high slat-containing wastewater concentration technology are integrated, save the energy, reduce water resources consumption.
The utility model utilizes the heat of high temperature circulation water, evaporates high slat-containing wastewater, has realized the concentration of the cooling and high slat-containing wastewater of recirculated water simultaneously, compares and has greatly saved investment and energy consumption with multiple-effect evaporation technology in prior art.Take that to produce the vertical gas maked coal project of 2,000,000,000 mark per year be example, the high slat-containing wastewater amount of its discharge is about 100t/h, if adopt multiple-effect evaporation technical finesse high slat-containing wastewater, one-time investment expense is about 12000～15,000 ten thousand yuan, approximately 6000～8000 yuan/h of working cost.Adopt treatment unit of the present utility model, in Jin Xujiang plant area, the air cooler heat exchange pipe bundle of existing sealed type circulating cooling tower medium carbon steel material changes to Teflon material, the working cost increasing only has the power consumption of water circulating pump 7, these expenses are pettiness very, no matter be that one-time investment expense or running cost are all extremely cheap, can be widely used in the similar sewage disposal of Coal Chemical Industry industry.
Accompanying drawing explanation
Accompanying drawing is that the utility model utilizes circulating water afterheat to process the apparatus structure schematic diagram of high slat-containing wastewater;
In figure: 1-blower fan; 2-mist eliminator; 3-flushing pipeline; 4-water distribution system; 5-air cooler heat exchange pipe; 6-sewage lagoon; 7-water circulating pump.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in drawings, a kind of device that utilizes circulating water afterheat to process high slat-containing wastewater of the utility model, comprise Development of Full-closed Water-cooling System, described Development of Full-closed Water-cooling System adopts evaporation air cooler as heat-exchange equipment, described evaporation air cooler comprises air cooler heat exchange pipe 5, the bottom of described Development of Full-closed Water-cooling System is provided with sewage lagoon 6, and described air cooler heat exchange pipe 5 adopts Teflon material to make; The top of described Development of Full-closed Water-cooling System is provided with blower fan 1; The top of described Development of Full-closed Water-cooling System is provided with water distribution system 4 and flushing pipeline 3; From described sewage lagoon 6, between the import of described air cooler heat exchange pipe 5, be connected with circulation line, described circulation line is provided with water circulating pump 7.
The utility model arranges evaporation air cooler, utilize the heat recirculated water of Coal Chemical Industry industry interior mobile at air cooler heat exchange pipe 5 as thermal source, in air cooler heat exchange pipe 5 outside surface spray high slat-containing wastewater heat exchange, in cooling heat recirculated water, high slat-containing wastewater evaporates rapidly, salinity crystallization, in air cooler heat exchange pipe 5 outside surfaces, arranges washpipe and regularly rinses.Sewage lagoon 6 is set at the bottom of cooling system tower, collects concentrated rear remaining high saline sewage and rinse sewage, drain into the crystallization of the crystallization pool.
The method of using said apparatus to carry out circulating water afterheat processing high slat-containing wastewater is that circulation water inlet is connected to air cooler heat exchange pipe 5 imports, blower fan 1 is introduced Development of Full-closed Water-cooling System by freezing air, freezing air from bottom to top flows in Development of Full-closed Water-cooling System in tower, high slat-containing wastewater evenly sprays to air cooler heat exchange pipe 5 outside surfaces after water distribution system 4 atomizations through circulating water cooling tower top, when the high slat-containing wastewater after atomization sprays to heat transfer tube surface, at the outside surface of air cooler heat exchange pipe 5, form the thin water film of continuous uniform, evaporation rapidly after the waste heat of moisture film absorption cycle water, and the blower fan 1 arranging at circulating water cooling system top does not stop upwards suction air, in Development of Full-closed Water-cooling System, form negative pressure, accelerated the heat exchange evaporation of tube outer surface moisture film.After operation for some time, the outside surface of air cooler heat exchange pipe 5 forms the crystallization of one deck salinity, utilization is arranged on flushing pipeline 3 periodic flushing air cooler heat exchange pipe 5 outside surfaces on circulating water cooling system top, and the sewage lagoon 6 that is arranged on circulating water cooling system tower bottom is collected concentrated saline solution and the unevaporated dense salt drop producing; Unevaporated strong brine and flushing sewage enter sewage lagoon 6, through the circulation of water circulating pump 7, make to collect in sewage lagoon 6 concentrated after high slat-containing wastewater reenter in system and circulate, carry out repeatedly evaporation concentration, make the TDS concentration of concentrated rear water outlet 15%～20%, approach crystallization concentration.Approximately concentrated 5 times of high slat-containing wastewaters after utilizing aforesaid method concentrated, subtract and hold 80%.If the waste residue of boiler does not fully utilize, as brickmaking or cement, only sanitary landfill, the Halite water after concentrating can reuse be made boiler flushing cinder, or carries out the crystallization of the crystallization pool, realizes zero release.
In the utility model, can also at the top of described Development of Full-closed Water-cooling System, be provided with mist eliminator 2, in whole treating processes, mist eliminator 2 is removed the water droplet of carrying secretly in saturated moist air, stand-by as cleaning water after collection.
Although the utility model is described in conjunction with figure above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the situation that not departing from the utility model aim, can also make a lot of distortion, within these all belong to protection of the present utility model.
Claims (2)
1. a device that utilizes circulating water afterheat to process high slat-containing wastewater, comprise Development of Full-closed Water-cooling System, described Development of Full-closed Water-cooling System adopts evaporation air cooler as heat-exchange equipment, described evaporation air cooler comprises air cooler heat exchange pipe, the bottom of described Development of Full-closed Water-cooling System is provided with sewage lagoon, it is characterized in that
Described air cooler heat exchange pipe adopts Teflon material to make;
The top of described Development of Full-closed Water-cooling System is provided with blower fan;
The top of described Development of Full-closed Water-cooling System is provided with water distribution system and flushing pipeline;
From described sewage lagoon, between the import of described water distribution system, be connected with circulation line, described circulation line is provided with water circulating pump.
2. utilize according to claim 1 circulating water afterheat to process the device of high slat-containing wastewater, wherein, the top of described Development of Full-closed Water-cooling System is provided with mist eliminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727755.2U CN203545717U (en) | 2013-11-14 | 2013-11-14 | Device for treating highly saline waste water with circulating water afterheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727755.2U CN203545717U (en) | 2013-11-14 | 2013-11-14 | Device for treating highly saline waste water with circulating water afterheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545717U true CN203545717U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727755.2U Expired - Fee Related CN203545717U (en) | 2013-11-14 | 2013-11-14 | Device for treating highly saline waste water with circulating water afterheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545717U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553166A (en) * | 2013-11-14 | 2014-02-05 | 天津辰创环境工程科技有限责任公司 | Device and method of treating wastewater with high salt content by utilizing waste heat of circulating water |
| CN109724429A (en) * | 2018-12-21 | 2019-05-07 | 江苏格陵兰传热科技有限公司 | Heat reclamation energy-saving-type gas cooling device |
| CN111573759A (en) * | 2019-02-19 | 2020-08-25 | 德威华泰科技股份有限公司 | High salt sewage evaporation crystallization processing apparatus that contains |
| CN116294378A (en) * | 2023-03-30 | 2023-06-23 | 清电光伏科技有限公司 | Full-closed circulating water cooling device, method and application for polysilicon production |
-
2013
- 2013-11-14 CN CN201320727755.2U patent/CN203545717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553166A (en) * | 2013-11-14 | 2014-02-05 | 天津辰创环境工程科技有限责任公司 | Device and method of treating wastewater with high salt content by utilizing waste heat of circulating water |
| CN109724429A (en) * | 2018-12-21 | 2019-05-07 | 江苏格陵兰传热科技有限公司 | Heat reclamation energy-saving-type gas cooling device |
| CN111573759A (en) * | 2019-02-19 | 2020-08-25 | 德威华泰科技股份有限公司 | High salt sewage evaporation crystallization processing apparatus that contains |
| CN116294378A (en) * | 2023-03-30 | 2023-06-23 | 清电光伏科技有限公司 | Full-closed circulating water cooling device, method and application for polysilicon production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |