CN203653281U - Salt-containing sewage treatment device - Google Patents
Salt-containing sewage treatment device Download PDFInfo
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- CN203653281U CN203653281U CN201320863733.9U CN201320863733U CN203653281U CN 203653281 U CN203653281 U CN 203653281U CN 201320863733 U CN201320863733 U CN 201320863733U CN 203653281 U CN203653281 U CN 203653281U
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- effect evaporator
- evaporator
- condenser
- preheater
- import
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a salt-containing sewage treatment device which comprises a first-effect evaporator, a second-effect evaporator, a preheater, a condenser and a vacuum pump, wherein the first-effect evaporator and the second-effect evaporator are tube type heat exchangers, the first-effect evaporator is connected with the vacuum pump, the second-effect evaporator is connected with the vacuum pump, a gas-liquid separating device is arranged in the second-effect evaporator, a tube pass inlet of the second-effect evaporator is connected with the preheater, the preheater is connected with a feeding pump, a tube pass outlet of the second-effect evaporator is connected with a tube pass inlet of the first-effect evaporator through a circulating pump, a stirring device is arranged in the first-effect evaporator, a shell pass inlet of the first-effect evaporator is connected with a steam source, a tube pass outlet of the first-effect evaporator is connected with a discharging pump, a gas phase outlet of the first-effect evaporator is connected with a shell pass inlet of the second-effect evaporator, a gas phase outlet of the second-effect evaporator is connected with the condenser, and the condenser is connected with a condensate storage tank. According to the salt-containing sewage treatment device, waste heat in the first-effect evaporator is utilized through the second-effect evaporator, required steam amount is reduced, and the operation cost is effectively reduced.
Description
Technical field
The utility model relates to a kind for the treatment of unit of saline sewage.
Background technology
In the industry production processes such as chemical industry, electric power, oil, metallurgy, there is a large amount of strong brines to discharge.In such saline sewage, contain a large amount of solvability inorganic salt, if direct discharge is by polluted-water; In addition, along with lacking of water resources, desalination technology is more and more important.At present, adopt biochemical processing method to be difficult to process the sewage that saltiness is higher, therefore, traditional saline sewage treatment process adopts method of evaporating processing more, the method of existing evaporation process saline sewage need consume a large amount of steam, thereby cause processing costs to improve, have the problem that processing cost is high, energy consumption is high.
Utility model content
The purpose of this utility model is for the problems referred to above, and a kind for the treatment of unit of saline sewage is provided, to solve the problem that existing evaporation process saline sewage cost is high, energy consumption is high.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind for the treatment of unit of saline sewage, comprise 1st effective evaporator, 2nd effect evaporator, preheater, condenser and vacuum pump, described 1st effective evaporator, 2nd effect evaporator is shell and tube heat exchanger, and 1st effective evaporator is connected with vacuum pump, 2nd effect evaporator is connected with vacuum pump, in described 2nd effect evaporator, be provided with gas-liquid separation device, the import of 2nd effect evaporator tube side is connected with preheater, described preheater is connected with fresh feed pump, the outlet of 2nd effect evaporator tube side is connected with the import of 1st effective evaporator tube side by recycle pump, in described 1st effective evaporator, be provided with whipping appts, the import of 1st effective evaporator shell side is connected with vapour source, the outlet of 1st effective evaporator tube side is connected with discharging pump, 1st effective evaporator gaseous phase outlet is connected with the import of 2nd effect evaporator shell side, 2nd effect evaporator gaseous phase outlet is connected with condenser, described condenser is connected with water of condensation storage tank.
Preferably, described condenser is barometric condenser, and it is connected with vacuum pump.
Preferably, described gas-liquid separation device is wire mesh demister.
Preferably, described preheater is spiral-plate heat exchanger.
Preferably, between described vapour source and the import of 1st effective evaporator shell side, be provided with steam injector, described 1st effective evaporator gaseous phase outlet is connected with steam injector.
The beneficial effects of the utility model are that the treatment unit of described saline sewage leads to 2nd effect evaporator by the waste heat in 1st effective evaporator and utilizes, and has reduced required quantity of steam, can effectively reduce running cost, meets the needs of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the treatment unit of a kind of saline sewage of the utility model.
In figure:
1,1st effective evaporator; 2,2nd effect evaporator; 3, condenser; 4, steam injector; 5, preheater; 6, water of condensation storage tank; 7, discharging pump; 8, recycle pump; 9, fresh feed pump; 10, condensate pump; 11, vacuum pump; 12, wire mesh demister; 13, whipping appts; 14,2nd effect evaporator gaseous phase outlet; 15,1st effective evaporator gaseous phase outlet, 16, the import of 2nd effect evaporator shell side; 17,1st effective evaporator shell side import; 18,1st effective evaporator tube side outlet; 19,1st effective evaporator tube side import; 20,2nd effect evaporator tube side import; 21,2nd effect evaporator tube side outlet; 22, vapour source.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Please refer to shown in Fig. 1, Fig. 1 is the schematic diagram of the treatment unit of a kind of saline sewage of the utility model;
In the present embodiment, a kind for the treatment of unit of saline sewage, comprise 1st effective evaporator 1, 2nd effect evaporator 2, preheater 5, condenser 3 and vacuum pump 11, described preheater 5 is spiral-plate heat exchanger, described condenser 3 is barometric condenser, it is connected with vacuum pump 11, described 1st effective evaporator 1, 2nd effect evaporator 2 is shell and tube heat exchanger, and 1st effective evaporator 1 is connected with vacuum pump 11, 2nd effect evaporator 2 is connected with vacuum pump 11, in described 2nd effect evaporator 2, be provided with wire mesh demister 12, the import 20 of 2nd effect evaporator tube side is connected with preheater 5, described preheater 5 is connected with fresh feed pump 9, 2nd effect evaporator tube side outlet 21 is connected with 1st effective evaporator tube side import 19 by recycle pump 8, in described 1st effective evaporator 1, be provided with whipping appts 13, the import 17 of 1st effective evaporator shell side is connected with steam injector 4, described steam injector 4 is connected with vapour source 22, 1st effective evaporator tube side outlet 18 is connected with discharging pump 7, 1st effective evaporator gaseous phase outlet 15 respectively with 2nd effect evaporator shell side import 16, steam injector 4 is connected, 2nd effect evaporator gaseous phase outlet 14 is connected with condenser 3, described condenser 3 is connected with water of condensation storage tank 6, described preheater 5 is connected with water of condensation storage tank 6 by condensate pump 10.
When use, material enters preheater 5 by fresh feed pump 9 and carries out preheating, then enter 2nd effect evaporator 2 by 2nd effect evaporator tube side import 20, by the evaporation process of 2nd effect evaporator 2, the gas producing enters condenser 3 by the processing of wire mesh demister 12 from 2nd effect evaporator gaseous phase outlet 14 and carries out condensation, liquid after 2nd effect evaporator 2 evaporation process is flowed out by 2nd effect evaporator tube side outlet 21, enter 1st effective evaporator 1 by recycle pump 8 by 1st effective evaporator tube side import 19, carry out evaporation process again, the gas producing enters respectively the import 16 of 2nd effect evaporator shell side and steam injector 4 by 1st effective evaporator gaseous phase outlet 15, effectively carry out waste heat recycling, reduce the consumption of steam.
When use, the whipping appts 13 in 1st effective evaporator 1 rotates, and prevents the caking of crystal salt.
Above embodiment has just set forth ultimate principle of the present utility model and characteristic; the utility model is not limited by above-described embodiment; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the treatment unit of a saline sewage, it is characterized in that: comprise 1st effective evaporator, 2nd effect evaporator, preheater, condenser and vacuum pump, described 1st effective evaporator, 2nd effect evaporator is shell and tube heat exchanger, and 1st effective evaporator is connected with vacuum pump, 2nd effect evaporator is connected with vacuum pump, in described 2nd effect evaporator, be provided with gas-liquid separation device, the import of 2nd effect evaporator tube side is connected with preheater, described preheater is connected with fresh feed pump, the outlet of 2nd effect evaporator tube side is connected with the import of 1st effective evaporator tube side by recycle pump, in described 1st effective evaporator, be provided with whipping appts, the import of 1st effective evaporator shell side is connected with vapour source, the outlet of 1st effective evaporator tube side is connected with discharging pump, 1st effective evaporator gaseous phase outlet is connected with the import of 2nd effect evaporator shell side, 2nd effect evaporator gaseous phase outlet is connected with condenser, described condenser is connected with water of condensation storage tank.
2. the treatment unit of a kind of saline sewage according to claim 1, is characterized in that: described condenser is barometric condenser, and it is connected with vacuum pump.
3. the treatment unit of a kind of saline sewage according to claim 1, is characterized in that: described gas-liquid separation device is wire mesh demister.
4. the treatment unit of a kind of saline sewage according to claim 1, is characterized in that: described preheater is spiral-plate heat exchanger.
5. the treatment unit of a kind of saline sewage according to claim 1, is characterized in that: between described vapour source and the import of 1st effective evaporator shell side, be provided with steam injector, described 1st effective evaporator gaseous phase outlet is connected with steam injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863733.9U CN203653281U (en) | 2013-12-25 | 2013-12-25 | Salt-containing sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863733.9U CN203653281U (en) | 2013-12-25 | 2013-12-25 | Salt-containing sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203653281U true CN203653281U (en) | 2014-06-18 |
Family
ID=50919695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863733.9U Expired - Fee Related CN203653281U (en) | 2013-12-25 | 2013-12-25 | Salt-containing sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203653281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787823A (en) * | 2015-04-17 | 2015-07-22 | 黑龙江鑫达晟机械科技有限公司 | Yeast wastewater zero discharge treatment method |
-
2013
- 2013-12-25 CN CN201320863733.9U patent/CN203653281U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787823A (en) * | 2015-04-17 | 2015-07-22 | 黑龙江鑫达晟机械科技有限公司 | Yeast wastewater zero discharge treatment method |
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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 |
Granted publication date: 20140618 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |