CN203907582U - Condensate water recovery system - Google Patents

Condensate water recovery system Download PDF

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Publication number
CN203907582U
CN203907582U CN201420353243.9U CN201420353243U CN203907582U CN 203907582 U CN203907582 U CN 203907582U CN 201420353243 U CN201420353243 U CN 201420353243U CN 203907582 U CN203907582 U CN 203907582U
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CN
China
Prior art keywords
water
water tank
heat exchanger
recovery system
expander
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420353243.9U
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Chinese (zh)
Inventor
吕丹
陈领军
夏元亮
杨蒙
张松立
周长俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DALIAN DONGTAI ORGANIC WASTE TREATMENT Co Ltd
Original Assignee
DALIAN DONGTAI ORGANIC WASTE TREATMENT Co Ltd
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Publication date
Application filed by DALIAN DONGTAI ORGANIC WASTE TREATMENT Co Ltd filed Critical DALIAN DONGTAI ORGANIC WASTE TREATMENT Co Ltd
Priority to CN201420353243.9U priority Critical patent/CN203907582U/en
Application granted granted Critical
Publication of CN203907582U publication Critical patent/CN203907582U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a condensate water recovery system. The condensate water recovery system comprises a heat exchanger, a water tank, a submerged pump, a boiler soft water tank, a water storage tank, a water replenishing pump and an expander, wherein the condensate water enters the water tank after flowing out of the heat exchanger; the condensate water in the water tank is respectively conveyed to the boiler soft water tank and the water storage tank through the submerged pump; an inlet pipe of the water replenishing pump is connected with a water outlet of the water storage tank; an outlet pipe of the water replenishing pump is connected with a water inlet of the expander; a water outlet of the expander is connected with a water return pipe of the heat exchanger; and the condensate water in the water storage tank finally enters the heat exchanger through the water replenishing pump and the expander. Through the condensate water recovery system, the condensate water discharged by a methane boiler system can be fully used; the energy is saved; and the boiler safety is not influenced.

Description

Condensation water recovery system
Technical field
The utility model relates to a kind of condensation water recovery system.
Background technology
Biogas is the imflammable gas producing under sewage treatment anaerobic condition, general methane content is more than 50~80%, calorific value is higher, methane boiler is to utilize biogas to emit heat as fuel combustion, carry out heat hot water or produce steam, methane boiler is a kind of novel boiler without operating cost, and can not produce pollutant, moving easy to usely, is the common equipment of debirs processing; Heat exchanger is a kind of heat-transfer equipment that heat transmits of realizing between the fluid of different temperatures, be widely used in boiler HVAC field, heat exchanger is connected with the venthole of methane boiler, steam becomes condensed water because temperature reduces to condense in heat transfer process, there are the following problems for methane boiler system of the prior art: or directly discharge this condensed water, cause boiler emission to increase, waste water and the energy; Or condensed water is all recycled to boiler and uses, but because this condensed water is acid, there is certain influence for boiler safety and steam quality.
Summary of the invention
The utility model is for the proposition of above problem, and develops a kind of condensation water recovery system of saving the energy, not affecting boiler safety.
The technical solution of the utility model is:
A kind of condensation water recovery system, comprising: heat exchanger, water tank, submerged pump, boiler softened water tank, water tank, small pump and expander; Condensed water enters water tank from described heat exchanger flows out, and the condensed water in this water tank is delivered to respectively described boiler softened water tank and described water tank by submerged pump; Described moisturizing pump intake piping is connected with the discharge outlet of described water tank; The outlet of described small pump is connected with the water inlet of described expander; The delivery port of described expander is connected with the return pipe of described heat exchanger; Condensed water in described water tank, via small pump and expander, finally enters described heat exchanger;
Further, described heat exchanger adopts plate type heat exchanger;
Further, described discharge outlet is arranged at described water tank bottom;
Further, described heat exchanger is connected by condensed water outlet pipeline with described water tank;
Further, between described submerged pump and described boiler softened water tank, be connected by the first condensed water reclaim line; Between described submerged pump and described water tank, be connected by the second condensed water reclaim line;
In described the first condensed water reclaim line and the second condensed water reclaim line, be provided with the magnetic valve for opening or close water route further.
Owing to having adopted technique scheme, the condensation water recovery system that the utility model provides, the condensed water producing in methane boiler system can be reclaimed, wherein most of supplementing water for exchanger heat water system, a part is back to methane boiler in addition, avoid methane boiler system of the prior art directly to discharge condensed water, and then cause boiler emission to increase, and waste water and the problem of the energy, also solved methane boiler system of the prior art condensed water has all been recycled to boiler use simultaneously, and because this condensed water is acid, and then affect the problem of boiler safety and steam quality, the utility model can make full use of the condensed water of methane boiler system discharge, save the energy, do not affect boiler safety.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: 1, heat exchanger, 2, water tank, 3, submerged pump, 4, boiler softened water tank, 5, water tank, 6, small pump, 7, expander, 8, steam pipework, 9, condensed water outlet pipeline, 10, the first condensed water reclaim line, 11, the second condensed water reclaim line, 12, magnetic valve, 13, return pipe, 14, watering pipeline, 15, condensate return pipeline, 51, discharge outlet, 61, inlet tube, 62, outlet, 71, water inlet, 72, delivery port.
Detailed description of the invention
A kind of condensation water recovery system as shown in Figure 1, is characterized in that comprising: heat exchanger 1, water tank 2, submerged pump 3, boiler softened water tank 4, water tank 5, small pump 6 and expander 7, condensed water enters water tank 2 from described heat exchanger 1 flows out, and the condensed water in this water tank 2 is delivered to respectively described boiler softened water tank 4 and described water tank 5 by submerged pump 3, the inlet tube 61 of described small pump 6 is connected with the discharge outlet 51 of described water tank 5, the outlet 62 of described small pump 6 is connected with the water inlet 71 of described expander 7, the delivery port 72 of described expander 7 is connected with the return pipe 13 of described heat exchanger 1, condensed water in described water tank 5, via small pump 6 and expander 7, finally enters described heat exchanger 1, further, described heat exchanger 1 adopts plate type heat exchanger, further, described discharge outlet 51 is arranged at described water tank 5 bottoms, further, described heat exchanger 1 is connected by condensed water outlet pipeline 9 with described water tank 2, further, between described submerged pump 3 and described boiler softened water tank 4, be connected by the first condensed water reclaim line 10, between described submerged pump 3 and described water tank 5, be connected by the second condensed water reclaim line 11, further, in described the first condensed water reclaim line 10 and the second condensed water reclaim line 11, be provided with the magnetic valve 12 for opening or close water route, described heat exchanger 1 connects methane boiler (not shown) by steam pipework 8, described heat exchanger 1 is also connected with watering pipeline 14, the outlet 62 of described small pump 6 also directly connects the return pipe 13 (without expander 7) of described heat exchanger 1 by condensate return pipeline 15, on the inlet tube 61 of described small pump 6 and outlet 62, be provided with magnetic valve, the signal that described submerged pump 3 can send according to electrode-type liquid-level meter is the current liquid level of condensed water in water tank 2 while reaching certain value, and the condensed water in water tank 2 is delivered to boiler softened water tank 4 and water tank 5 by the first condensed water reclaim line 10 and the second condensed water reclaim line 11 respectively, in described the first condensed water reclaim line 10 and the second condensed water reclaim line 11, be provided with the magnetic valve 12 for opening or close water route, can be by controlling the duty of magnetic valve 12 and then controlling the unlatching in water route or close when practical application, thereby adjust the condensation water quantity being delivered in boiler softened water tank 4 and water tank 5, the most condensed water of water tank 5 general recovery, to enter the supplementing water of heat exchanger 1 as exchanger heat water system via small pump 6 and expander 7, when the pressure of exchanger heat water system is during lower than 0.14MPa, described small pump 6 is automatically opened and is started moisturizing, when the pressure of exchanger heat water system is during higher than 0.15MPa, described small pump 6 is automatically out of service, and a small amount of condensed water of the general recovery of boiler softened water tank 4, and then be back to methane boiler.
The condensation water recovery system that the utility model provides, the condensed water producing in methane boiler system can be reclaimed, wherein most of supplementing water for exchanger heat water system, a part is back to methane boiler in addition, avoid methane boiler system of the prior art directly to discharge condensed water, and then cause boiler emission to increase, and waste water and the problem of the energy, also solved methane boiler system of the prior art condensed water has all been recycled to boiler use simultaneously, and because this condensed water is acid, and then affect the problem of boiler safety and steam quality, the utility model can make full use of the condensed water of methane boiler system discharge, save the energy, do not affect boiler safety, in practical application, show by the water meter accumulative total being arranged in condensation water recovery system, annual past exchanger heat water system supplements 880 tons, supplements 365 tons of 45 DEG C of left and right condensed waters toward methane boiler system, like this, 1245 tons of year water savings, 4.42 yuan of water rates per ton, economize on the use of funds 5502.9 yuan, simultaneously, running water year-round average temperature is 15 DEG C, and condensed water year-round average temperature is 45 DEG C, like this, year save heat content 1245000 × (45-15.04)=37300200 kilocalories (wherein 45 and 15.04 heat contents while being respectively 45 DEG C, water and 15 DEG C, unit be kilocalorie/kilogram), and then, year saving biogas 37300200 ÷ 5200=7173 cubic meters (5200 is the heat content of 1 cubic metre of biogas), thus, year the 7173 × 2.47=17717.6 unit (2.47 is the price of 1 cubic metre of biogas) of reducing expenses, therefore year two expenses of water saving solar term amount to: 5502.9+17717.5=23220.5 unit, visible, the condensation water recovery system that adopts the utility model to provide has good economic benefit.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and inventive concept thereof, within all should being encompassed in protection domain of the present utility model.

Claims (6)

1. a condensation water recovery system, is characterized in that comprising: heat exchanger (1), water tank (2), submerged pump (3), boiler softened water tank (4), water tank (5), small pump (6) and expander (7); Condensed water enters water tank (2) from described heat exchanger (1) flows out, and the condensed water in this water tank (2) is delivered to respectively described boiler softened water tank (4) and described water tank (5) by submerged pump (3); The inlet tube (61) of described small pump (6) is connected with the discharge outlet (51) of described water tank (5); The outlet (62) of described small pump (6) is connected with the water inlet (71) of described expander (7); The delivery port (72) of described expander (7) is connected with the return pipe (13) of described heat exchanger (1); Condensed water in described water tank (5), via small pump (6) and expander (7), finally enters described heat exchanger (1).
2. a kind of condensation water recovery system according to claim 1, is characterized in that described heat exchanger (1) adopts plate type heat exchanger.
3. a kind of condensation water recovery system according to claim 1, is characterized in that described discharge outlet (51) is arranged at described water tank (5) bottom.
4. a kind of condensation water recovery system according to claim 1, is characterized in that described heat exchanger (1) is connected by condensed water outlet pipeline (9) with described water tank (2).
5. a kind of condensation water recovery system according to claim 1, is characterized in that being connected by the first condensed water reclaim line (10) between described submerged pump (3) and described boiler softened water tank (4); Between described submerged pump (3) and described water tank (5), be connected by the second condensed water reclaim line (11).
6. a kind of condensation water recovery system according to claim 5, is characterized in that being provided with the magnetic valve (12) for opening or close water route in described the first condensed water reclaim line (10) and the second condensed water reclaim line (11).
CN201420353243.9U 2014-06-27 2014-06-27 Condensate water recovery system Expired - Fee Related CN203907582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420353243.9U CN203907582U (en) 2014-06-27 2014-06-27 Condensate water recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420353243.9U CN203907582U (en) 2014-06-27 2014-06-27 Condensate water recovery system

Publications (1)

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CN203907582U true CN203907582U (en) 2014-10-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524112A (en) * 2016-12-16 2017-03-22 哈尔滨工大金涛科技股份有限公司 Jet type uncleanly steam recovery and comprehensive utilization system
CN106766985A (en) * 2016-12-08 2017-05-31 湖南水口山有色金属集团有限公司 A kind of organic amine desulphurization system utilizes technique and device with reclamation of condensate water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766985A (en) * 2016-12-08 2017-05-31 湖南水口山有色金属集团有限公司 A kind of organic amine desulphurization system utilizes technique and device with reclamation of condensate water
CN106524112A (en) * 2016-12-16 2017-03-22 哈尔滨工大金涛科技股份有限公司 Jet type uncleanly steam recovery and comprehensive utilization system

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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: 20141029

Termination date: 20190627

CF01 Termination of patent right due to non-payment of annual fee