CN202705072U - Multiple-effect evaporation waste water treatment system - Google Patents
Multiple-effect evaporation waste water treatment system Download PDFInfo
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- CN202705072U CN202705072U CN 201220114933 CN201220114933U CN202705072U CN 202705072 U CN202705072 U CN 202705072U CN 201220114933 CN201220114933 CN 201220114933 CN 201220114933 U CN201220114933 U CN 201220114933U CN 202705072 U CN202705072 U CN 202705072U
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Abstract
The utility model discloses a multiple-effect evaporation waste water treatment system which comprises at least two effect evaporators in parallel connection, wherein an air outlet of each effect evaporator is connected with a separator, an air outlet of each effect separator is connected with a heat source port of a next effect evaporator, and an air outlet of a tail effect separator is connected with a cooler. The multiple-effect evaporation waste water treatment system is characterized by further comprising a water ring vacuum system, wherein the water ring vacuum system is mainly formed by a vacuum pump and a condensation tank, an air inlet pipeline of the vacuum pump is connected with the cooler, and an air outlet of the vacuum pump is connected with the condensation tank. According to the multiple-effect evaporation waste water treatment system, by means of arrangement of the water ring vacuum system, decompression evaporation separation is achieved, boiling points of materials are reduced, and energy consumption of the whole system is reduced.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, is specifically related to a kind of multiple-effect evaporation Waste Water Treatment.
Background technology
Along with the increasing and national very big attention to energy-saving and emission-reduction of industry and human lives's draining, how to realize that the resource utilization of waste water becomes the focus that people pay close attention to.Wastewater treatment is to utilize physics, chemistry and biological method that waste water is processed, and makes purification of waste water, reduces and pollutes, so that reach waste water reclamation, multiplexing, takes full advantage of water resources.But the Waste Water Treatment of specialty is concerning common Processing Firm, no matter from the equipment cost of occupied ground and cost, all be that relatively difficulty meets the requirements of, therefore, cause many trade effluents directly to be discharged, not only produce the waste of water resources, but also have discharge water shortcoming not up to standard, bring pollution to environment.
Multiple-effect evaporator is that a kind of many evaporator series are combined consists of a vapo(u)rization system, steam thermal energy is repeatedly utilized, thereby improve the utilization ratio of heat energy, and is multiplex in the processing of the aqueous solution.Usually multiple-effect evaporator is multiplex in food-processing industry or for sea water desaltination, adopts corresponding effect number vaporizer, with a large amount of water evaporates out, obtains the higher mucus of concentration.Now Multi-effect evaporator system is applied in the wastewater treatment, for the larger wastewater treatment of the water yield, utilize a plurality of vapour points of multiple-effect evaporator, the organism of different boiling in the evaporating waste water is isolated by the separator of each effect, finally send into water cooler cooling after, the output water of condensation, can reuse, the wastewater treatment point that isolated concentrated solution then can be delivered to specialty further purifies, to reach the requirement of discharging environmental protection.
Yet, although each effect of multiple-effect evaporator is the Steam Actuation by front effect, but the living steam of first evaporator input still needs heater heats to certain temperature (deciding according to organism maximum boiling point in the waste water), just can reach the boiling point of first evaporator, the heat that consumes of well heater is the main of whole system energy requirement or can be described as all therebetween, therefore the energy consumption of multiple-effect evaporator to be reduced, the energy consumption of well heater must be reduced.
Summary of the invention
The utility model purpose provides a kind of multiple-effect evaporation Waste Water Treatment, by using this system, can reduce the required energy consumption of water treatment, reduces use cost.
For achieving the above object, the technical solution adopted in the utility model is: a kind of multiple-effect evaporation Waste Water Treatment, comprise the series connection of at least 2 single-effect evaporators, the air outlet of every 1st effective evaporator is connected with a separator, the air outlet of each effect separator is connected with the vaporizer thermal source mouth of next effect, the air outlet of end effect separator is connected with a water cooler, also comprise a water-ring vacuum system, described water-ring vacuum system mainly is comprised of vacuum pump and condensate draining, the inlet mouth pipeline of described vacuum pump is connected with described water cooler, and the venting port of described vacuum pump is connected with described condensate draining.
In the technique scheme, consist of multiple-effect evaporator by the above evaporator series of 2 effects, a separator is accessed in the air outlet of every 1st effective evaporator, with gas and the unevaporated liquid separation (the organism boiling point is higher, and the boiling point of water is lower) after the evaporation, again by the lower 1st effective evaporator of the gas access of separator output, in lower 1st effective evaporator, separate the organism that boiling point hangs down a bit, until the end effect separator will be exported gas and deliver to the water cooler cooling, generate water of condensation.In the utility model, access water-ring vacuum system at water cooler, water cooler is vacuumized, thereby make separator separation of material under the low-pressure state that vacuumizes, the boiling point of material descends under this state, favourable for heat sensitive material on the one hand, objectionable impurities is not volatile, is difficult for reacting, on the other hand behind the boiling point lowering, need the drop in temperature of evaporation, the energy of consumption also reduces.
In the technique scheme, the pump mouth of described vacuum pump is connected on the cooling water inlet pipe of described water cooler through discharge pipe line, described discharge pipe line is provided with the valve of delay function and strainer, and the control end of described valve with delay function is connected with principal controller.By the keying of main controller controls valve, start this valve of front opening in system, and time-delay closing, the water coolant in the water cooler is emptying.
In the technique scheme, the condensate water discharging mouth of described water cooler bottom is connected with described condensate draining through condensate pipe, and this condensate pipe is provided with condensate pump.
In the technique scheme, also comprise feed-pipe, described feed-pipe is connected with the opening for feed of the first effect separator first half, and the discharge gate that this head is imitated the separator bottom is connected with the first evaporator opening for feed through the Matter Transfer pipeline, and described circulation line is provided with a Matter Transfer pump.Material is imitated separator from head and is entered, imitating the separator discharge gate by head beats to first evaporator through the Matter Transfer pump, material is at first sent into separator like this, can utilize the temperature in the separator, do a preheating, then be sent to evaporator evaporation, shorten heat-up time, also reduced energy consumption when raising the efficiency.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1, because the utility model is provided with water-ring vacuum system, to vacuumizing in the separator, reduce the boiling point of material, guarantee that material evaporates at a lower temperature, favourable for heat sensitive material on the one hand, objectionable impurities is not volatile, be difficult for reacting, behind the boiling point lowering, can reduce the energy consumption requirement of system on the other hand, reduce processing cost;
2, be provided with valve and the strainer of delay function at the cooling water inlet pipe of water cooler, by main controller controls, before system starts first to cooler tube in water coolant emptying, ensure cooling performance;
3, the condensate draining in the water-ring vacuum system is collected water of condensation, and recoverable reduces the waste of water resources;
4, the waste water material is delivered to first effect separator by feed-pipe, and the temperature in the sharp separator is carried out preheating to material, is sent to first evaporator again, shortens evaporation time, raises the efficiency, and reduces the consumption of energy.
Description of drawings
Fig. 1 is the pipeline connection diagram of the utility model embodiment one.
Wherein: 1, first evaporator; 2, first effect separator; 3, end effect separator; 4, last evaporator; 5, water cooler; 6, vacuum pump; 7, condensate draining; 8, discharge pipe line; 9, with the valve of delay function; 10, strainer; 11, feed-pipe; 12, Matter Transfer pump; 13, dope groove; 14, discharging pump; 15, the second Matter Transfer pump; 16, condensate pipe; 17, condensate pump; 18, cooling water inlet pipe; 19, liquid-outlet valve; 20, give birth to steam.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Figure 1, a kind of multiple-effect evaporation Waste Water Treatment, comprise the series connection of 2 single-effect evaporators, the air outlet of first evaporator 1 is connected with first effect separator 2, the air outlet of first effect separator 2 is connected with last evaporator 4 thermal source imports, the air outlet of end effect separator 3 is connected with a water cooler 5, water cooler 5 is connected with a water-ring vacuum system, described water-ring vacuum system mainly is comprised of vacuum pump 6 and condensate draining 7, the inlet mouth pipeline of described vacuum pump 6 is connected with described water cooler 5, the venting port of described vacuum pump 6 is connected with described condensate draining 7, the pump mouth of described vacuum pump 6 is connected on the cooling water inlet pipe 18 of described water cooler 5 through discharge pipe line 8, described discharge pipe line 8 is provided with the valve 9 of delay function and strainer 10, and the control end of described valve 9 with delay function is connected with the principal controller (not shown); The condensate water discharging mouth of described water cooler 5 bottoms is connected with described condensate draining 7 through condensate pipe 16, and this condensate pipe 16 is provided with condensate pump 17.
As shown in Figure 1, also comprise feed-pipe, described feed-pipe 11 is connected with the opening for feed of first effect separator 2 first halves, and the discharge gate that this head is imitated separator 2 bottoms is connected with first evaporator 1 opening for feed through the Matter Transfer pipeline, and described circulation line is provided with a Matter Transfer pump 12.First effect separator 2 liquid outlets are connected with the discharge gate of end effect separator 3, the discharge gate of end effect separator 3 is connected with last evaporator 4 opening for feeds by the road, the second Matter Transfer pump 15 is set on the pipeline, the liquid outlet of end effect separator 3 is connected with a dope groove 13, on first effect Matter Transfer pipeline and the end effect pipeline respectively and connect a drain line, be connected with described dope groove 13, drain line is provided with discharging pump 14 and liquid-outlet valve 19, by the keying of main controller controls liquid-outlet valve 19, discharging concentrated solution or scavenging solution (being used for the cleaning of equipment).
In the present embodiment, the thermal source import of first evaporator 1 is connected with living steam 20, gives birth to steam 20 consumption 230kg/h, pressure 0.2Mpa.First effect separator 2 interior temperature: 80 ℃ to 90 ℃, end effect separator 3 interior temperature: 70 ℃ to 75 ℃, separate respectively the organism of corresponding boiling point.
Claims (4)
1. multiple-effect evaporation Waste Water Treatment, comprise the series connection of at least 2 single-effect evaporators, the air outlet of every 1st effective evaporator is connected with a separator, the air outlet of each effect separator is connected with the vaporizer thermal source mouth of next effect, the air outlet of end effect separator is connected with a water cooler, it is characterized in that: also comprise a water-ring vacuum system, described water-ring vacuum system mainly is comprised of vacuum pump and condensate draining, the inlet mouth pipeline of described vacuum pump is connected with described water cooler, and the venting port of described vacuum pump is connected with described condensate draining.
2. multiple-effect evaporation Waste Water Treatment according to claim 1, it is characterized in that: the pump mouth of described vacuum pump is connected on the cooling water inlet pipe of described water cooler through discharge pipe line, described discharge pipe line is provided with the valve of delay function and strainer, and the control end of described valve with delay function is connected with principal controller.
3. multiple-effect evaporation Waste Water Treatment according to claim 1 is characterized in that: the condensate water discharging mouth of described water cooler bottom is connected with described condensate draining through condensate pipe, and this condensate pipe is provided with condensate pump.
4. multiple-effect evaporation Waste Water Treatment according to claim 1, it is characterized in that: also comprise feed-pipe, described feed-pipe is connected with the opening for feed of the first effect separator first half, the discharge gate that this head is imitated the separator bottom is connected with the first evaporator opening for feed through the Matter Transfer pipeline, and described circulation line is provided with a Matter Transfer pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114933 CN202705072U (en) | 2012-03-26 | 2012-03-26 | Multiple-effect evaporation waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114933 CN202705072U (en) | 2012-03-26 | 2012-03-26 | Multiple-effect evaporation waste water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705072U true CN202705072U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220114933 Expired - Fee Related CN202705072U (en) | 2012-03-26 | 2012-03-26 | Multiple-effect evaporation waste water treatment system |
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| CN (1) | CN202705072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836827A (en) * | 2016-05-19 | 2016-08-10 | 浙江永泉化学有限公司 | Multi-effect wastewater concentration device |
| CN105854325A (en) * | 2016-05-27 | 2016-08-17 | 苏州乔发环保科技股份有限公司 | Triple-effect central cyclic evaporating system and evaporating technology thereof |
-
2012
- 2012-03-26 CN CN 201220114933 patent/CN202705072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836827A (en) * | 2016-05-19 | 2016-08-10 | 浙江永泉化学有限公司 | Multi-effect wastewater concentration device |
| CN105854325A (en) * | 2016-05-27 | 2016-08-17 | 苏州乔发环保科技股份有限公司 | Triple-effect central cyclic evaporating system and evaporating technology thereof |
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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: 20130130 Termination date: 20150326 |
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| EXPY | Termination of patent right or utility model |