CN204162441U - A kind of device of Caustic Soda Concentration condensation water recovery and use - Google Patents
A kind of device of Caustic Soda Concentration condensation water recovery and use Download PDFInfo
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- CN204162441U CN204162441U CN201420516705.4U CN201420516705U CN204162441U CN 204162441 U CN204162441 U CN 204162441U CN 201420516705 U CN201420516705 U CN 201420516705U CN 204162441 U CN204162441 U CN 204162441U
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Abstract
A kind of device of Caustic Soda Concentration condensation water recovery and use, comprise two effect evaporative condenser water pots and triple effect evaporation condensate water pot, two described effect evaporative condenser water pots are connected 1# hot-water cylinder and 2# hot-water cylinder with triple effect evaporation condensate water pot, the water of condensation that wherein 1# hot-water cylinder is collected sends into salt dissolving tank as change salt water, and 2# hot-water cylinder water of condensation is sent outside and used as pump water coolant after spiral-plate exchanger heat exchange; Also comprise three for collecting the pond of pump water coolant, the pump water coolant of collection enters the recycling of 2# hot-water cylinder.Its beneficial effect is: make full use of evaporation condensed water sensible heat, decreases the steam consumption needed for the heating of former electrolysis salt solution; Utilize micro-caustic soda contained in water of condensation, the consumption adding caustic soda in salt solution can be reduced; Water of condensation can all be recycled, without the need to outside discharge.
Description
Technical field
The utility model relates to a kind of device recycled the water of condensation produced in Caustic Soda Concentration process.
Background technology
Produce in caustic soda process in electrolysis with ion-exchange film, electrolyzer concentration of caustic soda is out 32%, according to the needs in market, need to be concentrated into 50% just can sell, a large amount of water of condensation can be produced in the process of Caustic Soda Concentration, and containing the alkali of trace in water of condensation, pH value is between 9 ~ 10, be commonly called as containing alkali water of condensation, be recycled to containing in alkali water of condensation storage storage tank, be mainly used in make up water and the pump water coolant of water cooling tower at present.Due to higher containing alkali condensate temperature, need can utilize, cause the loss and waste of heat after overcooling, the water of condensation in addition owing to producing is more, and can not be used effectively completely, unnecessary part is drained, and virtually causes very large waste to production.Through analysis of experiments, find containing alkali condensate temperature high, and the change salt water of being suitable for of alkalinity salt operation, not only can reduce the steam consumption of change salt solution heating originally used, the amount of caustic soda added in formerization salt solution can also be reduced.
Summary of the invention
In order to solve the problem, the utility model by the following technical programs, can realize obtaining abundant Appropriate application containing alkali water of condensation:
A kind of device of Caustic Soda Concentration condensation water recovery and use, it is characterized in that: comprise two effect evaporative condenser water pots and triple effect evaporation condensate water pot, two effect evaporative condenser water pots are connected with recirculated water return water pipe by condensate pump with triple effect evaporation condensate water pot, two described effect evaporative condenser water pots are also connected 1# hot-water cylinder and 2# hot-water cylinder with triple effect evaporation condensate water pot, the water of condensation that wherein 1# hot-water cylinder is collected sends into salt dissolving tank as change salt water by 1# hot water pump, 2# hot-water cylinder connects spiral-plate exchanger by 2# hot water pump, water of condensation after heat exchange is entered 3# hot-water cylinder and is sent outside by 3# hot water pump and uses as pump water coolant, also comprise 1#, 2#, 3# tri-for collecting the pond of pump water coolant, wherein 2#, 3# pond is connected with 1# pond by vertical pump, 1# pond is connected with 2# hot-water cylinder by reflux pump, the pump water coolant that 2#, 3# pond is collected squeezes into 1# pond by vertical pump, and then enters the recycling of 2# hot-water cylinder.
The invention has the beneficial effects as follows: make full use of evaporation condensed water sensible heat, decrease the steam consumption needed for the heating of former electrolysis salt solution; Utilize micro-caustic soda contained in water of condensation, the consumption adding caustic soda in salt solution can be reduced; Water of condensation can all be recycled, without the need to outside discharge.
Accompanying drawing explanation
Fig. 1 is the utility model process flow sheet.
In figure: 1. two effect evaporative condenser water pots; 2. recirculated water return water pipe; 3. condensate pump; 4. triple effect evaporation condensate water pot; 5.1# hot-water cylinder; 6.2# hot-water cylinder; 7.3# hot-water cylinder; 8.1# hot water pump; 9.2# hot water pump; 10. spiral-plate exchanger; 11.3# hot water pump; 12.1# pond; 13.2# pond; 14.3# pond; 15. reflux pumps; 16. vertical pumps.
Embodiment
From accompanying drawing 1, the utility model comprises two effect evaporative condenser water pot 1 and triple effect evaporation condensate water pots 4, two effect evaporative condenser water pots 1 are connected with recirculated water return water pipe 2 by condensate pump 3 with triple effect evaporation condensate water pot 4, two described effect evaporative condenser water pots 1 are also connected 1# hot-water cylinder 5 and 2# hot-water cylinder 6 with triple effect evaporation condensate water pot 4, the water of condensation that wherein 1# hot-water cylinder 5 is collected sends into salt dissolving tank as change salt water by 1# hot water pump 8, 2# hot-water cylinder 6 connects spiral-plate exchanger 10 by 2# hot water pump 9, water of condensation after heat exchange is entered 3# hot-water cylinder 7 and is sent outside by 3# hot water pump 11 and uses as pump water coolant, the utility model also comprises 1#, 2#, 3# tri-for collecting the pond of pump water coolant, wherein 2#, 3# pond is connected with 1# pond 12 by vertical pump 16,1# pond 12 is connected with 2# hot-water cylinder 6 by reflux pump 15, make 2# pond 13, pump water coolant that 3# pond 14 is collected squeezes into 1# pond 12 by vertical pump 16, and then enter 2# hot-water cylinder 6 and reuse.
The water of condensation that falling liquid film 2nd effect evaporator produces enters 1# hot-water cylinder 5 by self-pressure, and its water temperature, more than 70 DEG C, containing a small amount of caustic soda NaOH in water, is separated out on salt pipeline, by delivering to of hot water salt operation by being connected to by 1# hot water pump 8 outlet pipe.
First the water of condensation that under falling liquid film surface condenser, water and falling liquid film triple-effect evaporator produce enters in triple effect evaporation condensate water pot 4, enters on recirculated water return water pipe 2, finally enter cooling water tower circulation water pond (not shown) by condensate pump 3 part; Another part directly enters 2# hot-water cylinder 6, is sent into after spiral-plate exchanger 10 cools and enters in 3# hot-water cylinder 7, then be sent to each pump through 3# hot water pump 11 and use as pump water coolant by 2# hot water pump 9; Pump water coolant enters 1#, 2#, 3# pond after reclaiming, and 1# pond 12 is squeezed into by vertical pump 16 in 2#, 3# pond, and then enters 2# hot-water cylinder 6 and reused.
Claims (1)
1. the device of a Caustic Soda Concentration condensation water recovery and use, it is characterized in that: comprise two effect evaporative condenser water pots and triple effect evaporation condensate water pot, two effect evaporative condenser water pots are connected with recirculated water return water pipe by condensate pump with triple effect evaporation condensate water pot, two described effect evaporative condenser water pots are also connected 1# hot-water cylinder and 2# hot-water cylinder with triple effect evaporation condensate water pot, the water of condensation that wherein 1# hot-water cylinder is collected sends into salt dissolving tank as change salt water by 1# hot water pump, 2# hot-water cylinder connects spiral-plate exchanger by 2# hot water pump, water of condensation after heat exchange is entered 3# hot-water cylinder and is sent outside by 3# hot water pump and uses as pump water coolant, also comprise 1#, 2#, 3# tri-for collecting the pond of pump water coolant, wherein 2#, 3# pond is connected with 1# pond by vertical pump, 1# pond is connected with 2# hot-water cylinder by reflux pump, the pump water coolant that 2#, 3# pond is collected squeezes into 1# pond by vertical pump, and then enters the recycling of 2# hot-water cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516705.4U CN204162441U (en) | 2014-09-10 | 2014-09-10 | A kind of device of Caustic Soda Concentration condensation water recovery and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516705.4U CN204162441U (en) | 2014-09-10 | 2014-09-10 | A kind of device of Caustic Soda Concentration condensation water recovery and use |
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| CN204162441U true CN204162441U (en) | 2015-02-18 |
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| CN201420516705.4U Active CN204162441U (en) | 2014-09-10 | 2014-09-10 | A kind of device of Caustic Soda Concentration condensation water recovery and use |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686399A (en) * | 2018-06-24 | 2018-10-23 | 茌平信发华兴化工有限公司 | Piece alkali is secondary to coagulate into resin tower regenerative system |
-
2014
- 2014-09-10 CN CN201420516705.4U patent/CN204162441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686399A (en) * | 2018-06-24 | 2018-10-23 | 茌平信发华兴化工有限公司 | Piece alkali is secondary to coagulate into resin tower regenerative system |
| CN108686399B (en) * | 2018-06-24 | 2024-03-29 | 茌平信发华兴化工有限公司 | Regeneration system of caustic soda flake secondary condensation resin tower |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221123 Address after: No. 99, Chuangxin Road, Nangang Industrial Zone, Binhai New Area, Tianjin 300280 Patentee after: Tianjin Bohua Chemical Development Co.,Ltd. Address before: 300455 No. 1, Xinghua Road, Tanggu District, Tianjin Patentee before: TIANJIN DAGU CHEMICAL Co.,Ltd. |
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| TR01 | Transfer of patent right |