CN101806476A - Air-conditioning system combining ice cold accumulation and sewage source heat pump - Google Patents
Air-conditioning system combining ice cold accumulation and sewage source heat pump Download PDFInfo
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- CN101806476A CN101806476A CN 201010136185 CN201010136185A CN101806476A CN 101806476 A CN101806476 A CN 101806476A CN 201010136185 CN201010136185 CN 201010136185 CN 201010136185 A CN201010136185 A CN 201010136185A CN 101806476 A CN101806476 A CN 101806476A
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Abstract
The invention discloses an air-conditioning system combining ice cold accumulation and a sewage source heat pump, comprising a refrigerating medium loop, an air-conditioning water loop and a sewage loop, wherein the refrigerating medium loop is divided into two paths at an outlet end of an evaporator, wherein one path passes through an ice accumulating groove and a first electric valve, the other path passes through a second electric valve, and then the two paths are converged; after that, the converged loop is divided into two paths, wherein one path passes through a fourth electric valve and a heat exchanger, the other path passes through a third electric valve, the two paths are converged and then are connected with an inlet end of a refrigerating medium pump, and an outlet end of the refrigerating medium pump is connected with an inlet end of the evaporator; in the air-conditioning water loop, an inlet end of a circulating water pump is connected with a water collecting device, and an outlet end thereof is divided into two paths, wherein one path sequentially passes through a sixth electric valve, the heat exchanger and a seventh electric valve and then enters into a water separator, and the other path passes through a fifth electric valve, enters into a condenser and then is divided into two paths, wherein one path passes through a eighth electric valve and then enters into the water separator; the other path passes through a tenth electric valve, a cooling tower, a cooling water pump and a ninth electric valve and then returns to the condenser; in the sewage loop, from a sewage inlet, one path sequentially passes through a twelfth electric valve, the ice accumulation groove and a eleventh electric valve and then enters into a sewage outlet, and the other path passes through a thirteenth electric valve and then enters into the sewage outlet.
Description
Technical field
The present invention relates to energy accumulation air conditioner, water source heat pump technology field, particularly relate to a kind of air-conditioning system that cold-storage combines with sewage source heat pump of icing.
Background technology
Ice-storage air-conditioning is to utilize the cheap electric power of electrical network low-load period to freeze by refrigeration machine, the form of cold with latent heat is stored in the ice, in the peak times of power consumption of electricity price costliness, ice-out is discharged the requirement that cold satisfies the air-conditioning refrigeration duty, ice-storage air-conditioning on the one hand can balancing power network load, can therefore have good social benefit and economic benefit for the user saves the operation of air conditioner expense on the other hand.
But water resource heat pump utilizes not only heat supply that surface water, underground water, sewage etc. converge as thermal source or heat but also the high-efficiency energy-saving air conditioning system that can freeze.Water resource heat pump realizes that by input a spot of high-grade energy (as electric energy) low-temperature heat energy is to the high temperature bit transition.Water body promptly in the winter time, " is got the heat in the ground energy " to come out respectively in the winter time as the thermal source of heat pump heating and the low-temperature receiver of summer air-conditioning, after the raising temperature, supplies with indoor heating; Summer, indoor heat is taken out, be discharged in the ground energy and go.
Water resource heat pump, especially sewage source heat pump are because sewage is easily stifled, usually directly do not enter source pump, but by the heat exchanger indirect heat exchange, the requirement of heat exchanging device is that sewage routeway is big, is difficult for stopping up, easy cleaning, Ice Storage Tank satisfies the requirement of sewage heat exchanger just, and on the shelf in the winter time, therefore with Ice Storage Tank as the sewage heat exchanger in winter, can improve the utilization rate of ice storage unit, reduce the investment of special configuration sewage heat exchanger.In addition, some engineerings can't be used sewage source heat pump because of the sewage quantity deficiency, perhaps after using sewage source heat pump, freeze after extracting heat because of the sewage quantity deficiency causes sewage, this is unallowed in general heat exchanger, and ice storage unit itself is used as ice-reserving, therefore allows to freeze.For most of public buildings, do not need night heat supply or heating load little, and municipal sewage is continuous, after daytime ice storage unit being frozen, continue to extract sewerage heat energy night, melt the ice on the ice storage unit, the heat pump that promptly originally can only extract sewerage heat energy daytime becomes 24 hours and extracts sewerage heat energy continuously, improves the utilization rate of sewage.
Summary of the invention
The defective idle at existing ice-storage system ice storage unit winter, that sewage source heat pump need be provided with sewage heat exchanger winter specially, the objective of the invention is on the basis of ice-storage system, do not increase under the situation of equipment, utilize municipal sewage, a kind of air-conditioning system that cold-storage combines with sewage source heat pump of icing is provided, switches, can realize ice-storage system operation in summer by valve, can realize sewage source heat pump system operation in winter again, improve the utilization rate of Ice Storage Tank.
In order to reach the purpose of foregoing invention, technical scheme of the present invention realizes as follows:
The air-conditioning system that this ice cold-storage combines with sewage source heat pump comprises three operating mode source pump, Ice Storage Tank, heat exchanger, water circulating pump, coolant pump, cooling water pump, cooling tower (9), water collector (1) and water knockout drum (4), and
1) refrigerating medium loop: the port of export of the evaporimeter of three operating mode source pump divides two-way: lead up to the Ice Storage Tank and the first motor-driven valve V1, another road is converged after by the second motor-driven valve V2 bypass; Be divided into two-way after converging again: lead up to the 4th motor-driven valve V4 and heat exchanger, another road is converged after by the 3rd motor-driven valve V3; Carry the arrival end of cryogenic fluid pump after converging, the arrival end of the evaporimeter of the outlet termination three operating mode source pump of coolant pump.
2) air conditioner water loop: the inlet termination water collector of water circulating pump, the port of export of water circulating pump divides two-way: the one tunnel successively through entering water knockout drum behind the 6th motor-driven valve V6, heat exchanger, the 7th motor-driven valve V7; Another road enters the condenser of three operating mode source pump after through the 5th motor-driven valve V5, after divide two-way again: the one tunnel enters water knockout drum through the 8th motor-driven valve V8, and condenser is got back to through the tenth motor-driven valve V10, cooling tower, cooling water pump and the 9th motor-driven valve V9 successively in another road.
3) sewage loop: punish into two-way from sewage inlet, the one tunnel enters outlet of sewer through the 12 motor-driven valve V12, Ice Storage Tank, the 11 motor-driven valve V11 successively, and another road enters outlet of sewer after through the 13 motor-driven valve V13.
Compared with prior art, advantage of the present invention is: do not increase under the situation of equipment, utilize municipal sewage, a kind of air-conditioning system that cold-storage combines with sewage source heat pump of icing is provided, switch by valve, can realize ice-storage system operation in summer, can realize sewage source heat pump system operation in winter again, improve the utilization rate of Ice Storage Tank.Give full play to the Ice Storage Tank channel width, be difficult for obstruction, easy cleaning, the use of performance in winter allows to freeze.
Description of drawings
Fig. 1 is that the present invention ices the air-conditioning system structural representation that cold-storage combines with sewage source heat pump.
The specific embodiment
Be the air-conditioning system structural representation that ice cold-storage of the present invention combines with sewage source heat pump as shown in Figure 1.The air-conditioning system that the ice cold-storage combines with sewage source heat pump comprises three operating mode source pump 11, Ice Storage Tank 10, heat exchanger 3, water circulating pump 2, coolant pump 5, cooling water pump 8, cooling tower 9, water collector (1) and water knockout drum (4), and
1) refrigerating medium loop: the port of export of the evaporimeter 6 of three operating mode source pump 11 divides two-way: lead up to the Ice Storage Tank 10 and the first motor-driven valve V1, another road is converged after by the second motor-driven valve V2 bypass; Be divided into two-way after converging again: lead up to the 4th motor-driven valve V4 and heat exchanger 3, another road is converged after by the 3rd motor-driven valve V3; Carry the arrival end of cryogenic fluid pump 5 after converging, the arrival end of the evaporimeter 6 of the outlet termination three operating mode source pump 11 of coolant pump 5.
2) air conditioner water loop: the arrival end of water circulating pump 2 connects water collector 1, and the port of export of water circulating pump 2 divides two-way: the one tunnel successively through entering water knockout drum 4 behind the 6th motor-driven valve V6, heat exchanger 3, the 7th motor-driven valve V7; Another road enters the condenser 7 of three operating mode source pump 11 after through the 5th motor-driven valve V5, after divide two-way again: the one tunnel enters water knockout drum 4 through the 8th motor-driven valve V8, and condenser 7 is got back to through the tenth motor-driven valve V10, cooling tower 9, cooling water pump 8 and the 9th motor-driven valve V9 successively in another road.
3) sewage loop: punish into two-way from sewage inlet, the one tunnel enters outlet of sewer through the 12 motor-driven valve V12, Ice Storage Tank the 10, the 11 motor-driven valve V11 successively, and another road enters outlet of sewer after through the 13 motor-driven valve V13.
Wherein, three operating mode source pump can realize refrigeration, ice making, heating condition.
1, winter operation
Referring to Fig. 1, close the second motor-driven valve V2, the 4th motor-driven valve V4, the 6th motor-driven valve V6, the 7th motor-driven valve V7, the 9th motor-driven valve V9, the tenth motor-driven valve V10 and the 13 motor-driven valve V13, open the first motor-driven valve V1, the 3rd motor-driven valve V3, the 5th motor-driven valve V5, the 8th motor-driven valve V8, the 11 motor-driven valve V11 and the 12 motor-driven valve V12.Cooling water pump 8 and cooling tower 9 quit work, coolant pump 5, water circulating pump 2 operations, and three operating mode source pump 11 are pressed the heating condition operation.
In the refrigerating medium loop, refrigerating medium comes out to enter Ice Storage Tank 10 by the evaporimeter 6 of three operating mode source pump 11, gets back to the evaporimeter 6 of three operating mode source pump 11 through the first motor-driven valve V1, the 3rd motor-driven valve V3 and coolant pump 5 successively behind the heat of sewage in the extraction Ice Storage Tank 10.
Air conditioner water enters the condenser 7 of three operating mode source pump 11 behind water collector, the 5th motor-driven valve V5, temperature raises after the 8th motor-driven valve V8 enters water knockout drum 4 in condenser 7.
Sewage enters Ice Storage Tank 10 through the 12 motor-driven valve V12, in Ice Storage Tank 10 heat is passed to refrigerating medium after the 11 motor-driven valve V11 gets back to the sewage arterial highway.
Air-conditioning system of the present invention can not only be extracted the sensible heat in the sewage, and can extract latent heat in the sewage, total heat that extracts can reach 3 times of common sewage source heat pump system, can be much the not enough or temperature project of sewage source heat pump system of can not using on the low side becomes feasible because of the discharge of sewage.After extracting in the sewage latent heat because of daytime ice storage unit 10 is frozen, night, heat pump was out of service, and the Ice Storage Tank 10 but sewage is still flowed through is with the ice-out in the Ice Storage Tank 10.
2, summer operation
Referring to Fig. 1, close the 5th motor-driven valve V5, the 8th motor-driven valve V8, the 11 motor-driven valve V11 and the 12 motor-driven valve V12, open the 6th motor-driven valve V6, the 7th motor-driven valve V7, the 9th motor-driven valve V9, the tenth motor-driven valve V10 and the 13 motor-driven valve V13.
At different operating conditions, the operation conditions of relevant device and valve switch state are as shown in the table among the present invention.
| Sequence number | Operating condition | Operational outfit | Open valve | Valve-off | Control valve |
| ??1 | Ice making | Three operating mode |
??V1、V3 | ??V2、V4 | |
| ??2 | The ice making cooling of holding concurrently | Three operating mode |
??V1 | ??V2 | ??V3、V4 |
| ??3 | Three operating mode main frame coolings | Three operating mode |
??V2、V4 | ??V1、V3 | |
| ??4 | The ice-melt cooling | Coolant |
??V4 | ??V3 | ??V1、V2 |
| Sequence number | Operating condition | Operational outfit | Open valve | Valve-off | Control valve |
| ??5 | Main frame and ice-melt associating cooling | Three operating mode |
??V4 | ??V3 | ??V1、V2 |
3, transition season
When transition did not need air-conditioning season, all devices was out of service, closes the 11 motor-driven valve V11, the 12 motor-driven valve V12, opens the 13 motor-driven valve V13, and sewage flows away along the municipal wastewater channel, without Ice Storage Tank 10.
Claims (1)
1. ice the air-conditioning system that cold-storage combines with sewage source heat pump for one kind, comprise three operating mode source pump (11), Ice Storage Tank (10), heat exchanger (3), water circulating pump (2), coolant pump (5), cooling water pump (8), cooling tower (9), water collector (1) and water knockout drum (4), it is characterized in that: also comprise
1) refrigerating medium loop: the port of export of the evaporimeter (6) of three operating mode source pump (11) divides two-way: lead up to Ice Storage Tank (10) and first motor-driven valve (V1), another road is converged after by second motor-driven valve (V2) bypass; Be divided into two-way after converging again: lead up to the 4th motor-driven valve (V4) and heat exchanger (3), another road is converged after by the 3rd motor-driven valve (V3); Carry the arrival end of cryogenic fluid pump (5) after converging, the arrival end of the evaporimeter (6) of the outlet termination three operating mode source pump (11) of coolant pump (5);
2) air conditioner water loop: the inlet termination water collector (1) of water circulating pump (2), the port of export of water circulating pump (2) divides two-way: the one tunnel successively through entering water knockout drum (4) behind the 6th motor-driven valve (V6), heat exchanger (3), the 7th motor-driven valve (V7); Another road enters the condenser (7) of three operating mode source pump (11) after through the 5th motor-driven valve (V5), after divide two-way again: the one tunnel enters water knockout drum (4) through the 8th motor-driven valve (V8), and condenser (7) is got back to through the tenth motor-driven valve (V10), cooling tower (9), cooling water pump (8) and the 9th motor-driven valve (V9) successively in another road;
3) sewage loop: punish into two-way from sewage inlet, the one tunnel enters outlet of sewer through the 12 motor-driven valve (V12), Ice Storage Tank (10), the 11 motor-driven valve (V11) successively, and another road enters outlet of sewer after through the 13 motor-driven valve (V13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010136185 CN101806476A (en) | 2010-03-30 | 2010-03-30 | Air-conditioning system combining ice cold accumulation and sewage source heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010136185 CN101806476A (en) | 2010-03-30 | 2010-03-30 | Air-conditioning system combining ice cold accumulation and sewage source heat pump |
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| CN101806476A true CN101806476A (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010136185 Pending CN101806476A (en) | 2010-03-30 | 2010-03-30 | Air-conditioning system combining ice cold accumulation and sewage source heat pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528187A (en) * | 2013-09-27 | 2014-01-22 | 刘明勇 | Sewage source directly-draining type air conditioning heat pump system |
| CN103900175A (en) * | 2014-03-07 | 2014-07-02 | 浙江陆特能源科技有限公司 | Energy storage type heat pump system |
| CN110017630A (en) * | 2019-03-18 | 2019-07-16 | 清华大学 | A kind of headwaters heat pump |
| WO2019140495A1 (en) * | 2018-01-17 | 2019-07-25 | Hadziibrisevic Nurset | Cylindrical chamber heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253309A (en) * | 1978-12-28 | 1981-03-03 | Thore Abrahamsson | Heat pump arrangement |
| CN1825011A (en) * | 2006-04-04 | 2006-08-30 | 珠海格力电器股份有限公司 | Ice cold accumulation set, air conditioning system using same and controlling method thereof |
| CN1924473A (en) * | 2006-09-22 | 2007-03-07 | 上海华电源牌环境工程有限公司 | Temperature and humidity individual control air conditioner system |
| CN201037718Y (en) * | 2007-05-22 | 2008-03-19 | 杭州华电华源环境工程有限公司 | Three-operating mode ground source heat pump set system |
| CN201637020U (en) * | 2010-03-30 | 2010-11-17 | 上海交通大学 | Air-conditioning system with combination of ice storage and sewage source heat pump |
-
2010
- 2010-03-30 CN CN 201010136185 patent/CN101806476A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253309A (en) * | 1978-12-28 | 1981-03-03 | Thore Abrahamsson | Heat pump arrangement |
| CN1825011A (en) * | 2006-04-04 | 2006-08-30 | 珠海格力电器股份有限公司 | Ice cold accumulation set, air conditioning system using same and controlling method thereof |
| CN1924473A (en) * | 2006-09-22 | 2007-03-07 | 上海华电源牌环境工程有限公司 | Temperature and humidity individual control air conditioner system |
| CN201037718Y (en) * | 2007-05-22 | 2008-03-19 | 杭州华电华源环境工程有限公司 | Three-operating mode ground source heat pump set system |
| CN201637020U (en) * | 2010-03-30 | 2010-11-17 | 上海交通大学 | Air-conditioning system with combination of ice storage and sewage source heat pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528187A (en) * | 2013-09-27 | 2014-01-22 | 刘明勇 | Sewage source directly-draining type air conditioning heat pump system |
| CN103900175A (en) * | 2014-03-07 | 2014-07-02 | 浙江陆特能源科技有限公司 | Energy storage type heat pump system |
| WO2019140495A1 (en) * | 2018-01-17 | 2019-07-25 | Hadziibrisevic Nurset | Cylindrical chamber heat exchanger |
| CN110017630A (en) * | 2019-03-18 | 2019-07-16 | 清华大学 | A kind of headwaters heat pump |
| CN110017630B (en) * | 2019-03-18 | 2024-01-23 | 清华大学 | Water source heat pump device |
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Open date: 20100818 |