CN203116202U - Double-cold-source combined operation air-conditioning system - Google Patents

Double-cold-source combined operation air-conditioning system Download PDF

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Publication number
CN203116202U
CN203116202U CN 201320071310 CN201320071310U CN203116202U CN 203116202 U CN203116202 U CN 203116202U CN 201320071310 CN201320071310 CN 201320071310 CN 201320071310 U CN201320071310 U CN 201320071310U CN 203116202 U CN203116202 U CN 203116202U
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China
Prior art keywords
air
conditioning
cooling tower
water
heat pump
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Expired - Fee Related
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CN 201320071310
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Chinese (zh)
Inventor
黄翔
邱佳
郝航
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Xian Polytechnic University
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Xian Polytechnic University
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Priority to CN 201320071310 priority Critical patent/CN203116202U/en
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Publication of CN203116202U publication Critical patent/CN203116202U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a double-cold-source combined operation air-conditioning system. The double-cold-source combined operation air-conditioning system comprises a closed-type cooling tower and an air cooled heat pump. The closed-type cooling tower is communicated with an indoor room through an exhaust duct with an exhaust branch pipe, the closed-type cooling tower is further communicated with a condensing end air inlet of the air cooled heat pump through an air supply duct, and the closed-type cooling tower, the air cooled heat pump and the tail end of an indoor air-conditioner of the indoor room are connected through a pipe network. The double-cold-source combined operation air-conditioning system used for recovering indoor air exhaust cold and heat can achieve double-cold-source combined operation according to different outdoor weather conditions, operation energy consumption of the air-conditioning system is reduced as much as possible, cold water conveying energy consumption is reduced, and supply water and return water temperature differences and operation efficiency of and the air-conditioning system are improved.

Description

The air-conditioning system of a kind of pair of low-temperature receiver cooperation
Technical field
The utility model belongs to air conditioner technical field, relates to the air-conditioning system that a kind of pair of low-temperature receiver cooperation reclaims the cold and hot amount of indoor exhaust wind, is specifically related to the air-conditioning system that a kind of closed cooling tower and air-cooled heat pump cooperation reclaim the cold and hot amount of indoor exhaust wind.
Background technology
Evaporation cooling technique more and more has been extensive in the use in dry area at present, because its economy and good cooling effect, be subjected to liking of users deeply, if can the air draft of indoor room further be utilized, will certain meaning be arranged to air-conditioning system energy-conservation.Because evaporation cooling technique is subjected to the influence of outdoor weather condition, this technology in the moderate amount of moisture area and the use in high humility area still can be subjected to certain restriction, the flaw that the air conditioning mode of evaporation cooling technique and mechanical refrigeration cooperation just in time can be remedied evaporation cooling technique that has relevant scholar to propose makes evaporation cooling technique contribute share in that air conditioner system energy saving is in service.
In sum, at different areas, adopt the operation of air conditioner pattern of evaporation cooling technique and mechanical refrigeration associating, can effectively utilize the cold and hot amount of air draft of air conditioning chamber's inner room, this will make the operational efficiency of evaporative cooling and mechanical refrigeration cooperation air-conditioning system improve.This shows, with evaporative cooling handpiece Water Chilling Units and mechanical refrigeration handpiece Water Chilling Units cooperation as cold source of air conditioning, utilize the cold and hot amount of air-conditioned room air draft simultaneously, improved the range of application of evaporative cooling handpiece Water Chilling Units on the one hand, improved the operational efficiency of mechanical refrigeration unit on the other hand.In addition, two kinds of low-temperature receivers are switched use, can reduce the operation energy consumption of system, have certain popularization value.
Summary of the invention
The purpose of this utility model is to provide the air-conditioning system of a kind of pair of low-temperature receiver cooperation, can reclaim the cold and hot amount of indoor exhaust wind, has improved the operational efficiency of air-conditioning system, has reduced the air-conditioning system energy consumption.
The technical scheme that the utility model adopts is, the air-conditioning system of a kind of pair of low-temperature receiver cooperation, include closed cooling tower and air-cooled heat pump, closed cooling tower is communicated with indoor room by air draft arm and the exhaust duct that is connected, closed cooling tower also is communicated with the condensation end air inlet of air-cooled heat pump by air supply duct, is connected by pipe network between the room conditioning end of closed cooling tower, air-cooled heat pump and indoor room.
Characteristics of the present utility model also are,
Closed cooling tower, include cooling tower shell, be provided with cooling coil in the cooling tower shell, the top of cooling coil is disposed with water-distributing device, water fender and exhaust blower, the corresponding cooling tower shell roof of exhaust blower is provided with exhaust outlet, and the bottom of cooling coil is disposed with air channel and cyclic water tank, and relative both sides, air channel are connected with two air draft arms respectively, cyclic water tank is connected with water-distributing device by water pipe, and water pipe is provided with water circulating pump.
The exhaust outlet of closed cooling tower is connected with the condensation end air inlet of air-cooled heat pump by air supply duct.
Closed cooling tower, pipe network structure between the room conditioning end of air-cooled heat pump and indoor room is: the water inlet end of cooling coil is connected with the room conditioning end of indoor room by water inlet pipe in the closed cooling tower, be disposed with the new blower fan group of valve c and evaporative cooling on the water inlet pipe, the water side of cooling coil is connected with the room conditioning of indoor room is terminal by outlet pipe, be disposed with valve a and water supply pump on the outlet pipe, water inlet pipe also is connected with the water inlet end of air-cooled heat pump inner condenser by the water inlet arm, outlet pipe also is connected with the water side of condenser by exit branch, the water inlet arm is provided with valve d, and exit branch is provided with valve b.
The beneficial effects of the utility model are:
1. air-conditioning system of the present utility model is when using summer, will be than the inlet air of the low indoor exhaust wind of outside air temperature as closed cooling tower, the efficient of can raising closed cooling tower to a certain degree producing cold water, simultaneously the air after exchanging with trickle heat is wet is admitted to the condensation end of air-cooled heat pump, the efficient of raising air-cooled heat pump that can be to a certain degree; When using in the winter time, the indoor exhaust wind high than outside air temperature sent into the condensation end of air-cooled heat pump behind closed cooling tower, the efficient of raising air-cooled heat pump that can be to a certain degree.
2. adopt the closed cooling tower cooling in the air-conditioning system of the present utility model, the circulating water quality of air-conditioning system is guaranteed, utilize the enclosed cooling coil that the cold and hot amount of indoor exhaust wind is reclaimed simultaneously, can guarantee taking full advantage of of energy, can not pollute the water quality in the pipe again, have certain application advantage.
3. the closed cooling tower in the air-conditioning system of the present utility model adopts indoor exhaust wind as the outer auxiliary air of cooling coil, compare direct use outdoor air and have better cooling effect, can access comparatively desirable closed cooling tower leaving water temperature, make the closed cooling tower cooling also have certain adaptive in some moderate amounts of moisture even high humility area, can also save the mechanical refrigeration operation energy consumption, thereby save whole air-conditioning system energy consumption.
Description of drawings
Fig. 1 is the structural representation of the utility model air-conditioning system.
Among the figure, 1. cooling coil, 2. cyclic water tank, 3. closed cooling tower, 4. air-cooled heat pump, 5. water circulating pump, 6. valve a, 7. valve b, 8. valve c, 9. valve d, 10. water supply pump, the new blower fan group of 11. evaporative coolings, 12. the room conditioning end, 13. exhaust ducts, 14. air supply ducts, 15. the air channel, 16. air draft arms, 17. water-distributing devices, 18. water fender, 19. exhaust blowers, 20. water pipes, 21. exhaust outlet, 22. condensation end air inlets, 23. condensers, 24. water inlet pipe, 25. outlet pipe, 26. water inlet arms, 27. exit branch.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model air-conditioning system as shown in Figure 1, include closed cooling tower 3 and air-cooled heat pump 4, closed cooling tower 3 is communicated with indoor room by the exhaust duct 13 of band air draft arm 16, closed cooling tower 3 also is communicated with the condensation end air inlet 22 of air-cooled heat pump 4 by air supply duct 14, is connected by pipe network between the room conditioning end 12 of closed cooling tower 3, air-cooled heat pump 4 and indoor room.
Closed cooling tower 3, include cooling tower shell, be provided with cooling coil 1 in the cooling tower shell, the top of cooling coil 1 is disposed with water-distributing device 17, water fender 18 and exhaust blower 19, exhaust blower 19 corresponding cooling tower shell roofs are provided with exhaust outlet 21, the exhaust outlet 21 of closed cooling tower 3 is connected with the condensation end air inlet 22 of air-cooled heat pump 4 by air supply duct 14, the bottom of cooling coil 1 is disposed with air channel 15 and cyclic water tank 2,15 relative both sides, air channel are connected with two air draft arms 16 of exhaust duct 13 respectively, cyclic water tank 2 is connected with water-distributing device 17 by water pipe 20, and water pipe 20 is provided with water circulating pump 5.
Closed cooling tower 3, pipe network structure between the room conditioning end 12 of air-cooled heat pump 4 and indoor room is: the water inlet end of cooling coils 1 is connected with the room conditioning end 12 of indoor room by water inlet pipe 24 in the closed cooling tower 3, be disposed with the new blower fan group 11 of valve c8 and evaporative cooling on the water inlet pipe 24, the water side of cooling coil 1 is connected with the room conditioning terminal 12 of indoor room by outlet pipe 25, be disposed with valve a6 and water supply pump 10 on the outlet pipe 25, water inlet pipe 24 also is connected with the water inlet end of air-cooled heat pump 4 inner condensers 23 by water inlet arm 26, outlet pipe 25 also is connected with the water side of condenser 23 by exit branch 27, water inlet arm 26 is provided with valve d9, and exit branch 27 is provided with valve b7.
The course of work of the utility model air-conditioning system is:
1. in summer, closed cooling tower 3 and air-cooled heat pump 4 cooperations:
Return air in the air-conditioned room is lower than outdoor temperature, certain value is arranged, indoor return air is entered into closed cooling tower 3 lower ends through exhaust duct 13, trickle under drenching with adverse current outside the cooling coil 1 of closed cooling tower 3 carries out that heat is wet to be exchanged, the cooling trickle, delivered to the condensation end air inlet 22 of air-cooled heat pump 4 by air supply duct 14 by the exhaust blower 19 of closed cooling tower 3 through the air of heat exchange, with be discharged to outdoor by the exhaust blower at air-cooled heat pump 4 tops after condenser 23 heat exchange, improve the condensation efficiency of air-cooled heat pump 4 with this, realize air draft cold recovery in the air-conditioned room.
2. in the winter time, the air draft of indoor room is sent to the condensation end of air-cooled heat pump 4 successively through closed cooling tower 3, air supply duct 14, at this moment, the waste heat amount of the indoor relative outdoor air of air draft can be utilized, indoor air draft continues to be sent to the evaporation ends of air-cooled heat pump 4, utilize indoor air draft to bring in the heating efficiency that improves air-cooled heat pump 4 through condensation, realize air-conditioned room indoor exhaust wind heat recovery.
3. can adopt closed cooling tower 3 isolated operation coolings in dry area and some moderate amount of moisture areas:
At this moment, valve-off b7, valve d9, the high temperature cold water of producing in the cooling coil 1 is delivered to the room conditioning end 12 of indoor room by outlet pipe 25 and water supply pump 10, carry out getting back to after air cools off the cooling coil 1 interior cooling of closed cooling tower 3 again by the new blower fan group 11 of evaporative cooling, pouring carries out with the indoor return air of closed cooling tower 3 air inlets outside cooling coil 1 that heat is wet to be exchanged, trickle falls into cyclic water tank 2 after the heat exchange, the duplicated system circulation.
4. in the moderate amount of moisture area and the high humility area, adopt the system form of closed cooling tower 3 and air-cooled heat pump 4 cooperations, can adopt two kinds of methods of operation this moment:
A. in transition season and summer certain hour, closed cooling tower 3 leaving water temperatures satisfy the instructions for use of room conditioning end 12, adopt closed cooling tower 3 to come cooling, this moment, the closed cooling tower inlet air was sent into through exhaust duct 13 by the air draft of air conditioning chamber's inner room, the cooling effectiveness of raising closed cooling tower 3 that can be has to a certain degree reduced running time of air-cooled heat pump 4 simultaneously.
B. air-cooled heat pump 4 isolated operations, valve-off a6 and valve c8, adopt the air draft of room conditioning room outside cooling coil 1, to carry out air-cooled heat pump 4 is delivered in the wet exchange of heat by air supply duct 14 condensation end through closed cooling tower 3 and trickle, improve the air-cooled heat pump condensation efficiency, the cold water that air-cooled heat pump 4 is produced is got back in the air-cooled heat pump 4 repetitive cycling after delivering in room conditioning terminal 12 and the new blower fan group 11 of evaporative cooling successively by water supply pump.
Air-conditioning system of the present utility model adopts two low-temperature receiver air-conditioning systems of evaporative cooling and mechanical refrigeration cooperation, not only be widely used in dry area, with the high humility area certain applicability is arranged also in the moderate amount of moisture area simultaneously, by exhaust duct 13 air inlet of indoor room with closed cooling tower 3 is connected, it is cold to utilize the cooling coil 1 of closed cooling tower 3 rationally to reclaim the air draft of indoor room, heat, link to each other with the condensation end air inlet 22 of air-cooled heat pump 4 with the exhaust outlet 21 of air supply duct 14 with closed cooling tower 3, utilize the air draft of closed cooling tower 3 through the condensation end of air-cooled heat pump 4, the condensation efficiency of raising air-cooled heat pump 4 to a certain degree, and then improved the air-conditioning system operational efficiency, the operation energy consumption of reduction system to a certain degree and reduced the waste of energy.Adopt closed cooling tower 3 operations, make that the water quality of recirculated water has certain guarantee in the air-conditioning system, the terminal air-conditioning equipment of prolongation service life that can be to a certain degree.
Air-conditioning system of the present utility model adopts closed cooling tower and the two low-temperature receivers of air-cooled heat pump to be arranged in parallel cooperation, raising to a certain degree the use territorial scope of this air-conditioning system, wherein room conditioning terminal 12 is connected with the new blower fan group 11 of evaporative cooling and the raising supply backwater temperature difference is set, reduction cold water conveying energy consumption.Can adopt different running method according to outdoor weather condition, this system's scope of application of raising that can be to a certain degree.When air conditioner load is born in air-cooled heat pump 4 isolated operations, utilize cooling coil 1 in the closed cooling tower 3 to reclaim air draft cold (heat) amount of indoor room, working medium in precooling (heat) cooling coil 1, to a certain degree reduce air-cooled heat pump and bear load, and then reduction air-conditioning system operation energy consumption that can be certain, improve the operational efficiency of air-cooled heat pump, the air conditioning terminal setting of connecting with the new blower fan group of evaporative cooling, improve supply backwater temperature difference, fully use the evaporative cooling potentiality of air, reduced the conveying energy consumption of cold water.

Claims (4)

1. the air-conditioning system of two low-temperature receiver cooperations, it is characterized in that, include closed cooling tower (3) and air-cooled heat pump (4), described closed cooling tower (3) is communicated with indoor room by air draft arm (16) and the exhaust duct (13) that is connected, described closed cooling tower (3) also is communicated with the condensation end air inlet (22) of described air-cooled heat pump (4) by air supply duct (14), is connected by pipe network between the room conditioning end (12) of described closed cooling tower (3), air-cooled heat pump (4) and indoor room.
2. air-conditioning system according to claim 1, it is characterized in that, described closed cooling tower (3), include cooling tower shell, be provided with cooling coil (1) in the described cooling tower shell, the top of described cooling coil (1) is disposed with water-distributing device (17), water fender (18) and exhaust blower (19), the corresponding cooling tower shell roof of described exhaust blower (19) is provided with exhaust outlet (21), the bottom of described cooling coil (1) is disposed with air channel (15) and cyclic water tank (2), relative both sides, described air channel (15) are connected with two air draft arms (16) respectively, described cyclic water tank (2) is connected with described water-distributing device (17) by water pipe (20), and described water pipe (20) is provided with water circulating pump (5).
3. air-conditioning system according to claim 1 and 2 is characterized in that, the exhaust outlet (21) of described closed cooling tower (3) is connected with the condensation end air inlet (22) of described air-cooled heat pump (4) by described air supply duct (14).
4. air-conditioning system according to claim 1 and 2, it is characterized in that, described closed cooling tower (3), pipe network structure between the room conditioning end (12) of air-cooled heat pump (4) and indoor room is: the water inlet end of the interior cooling coil of described closed cooling tower (3) (1) is connected with the room conditioning end (12) of described indoor room by water inlet pipe (24), described water inlet pipe is disposed with valve c(8 on (24)) and the new blower fan group of evaporative cooling (11), the water side of described cooling coil (1) is connected with the room conditioning end (12) of described indoor room by outlet pipe (25), described outlet pipe is disposed with valve a(6 on (25)) and water supply pump (10), described water inlet pipe (24) also is connected with the water inlet end of described air-cooled heat pump (4) inner condenser (23) by water inlet arm (26), described outlet pipe (25) also is connected with the water side of described condenser (23) by exit branch (27), described water inlet arm (26) is provided with valve d(9), described exit branch (27) is provided with valve b(7).
CN 201320071310 2013-02-05 2013-02-05 Double-cold-source combined operation air-conditioning system Expired - Fee Related CN203116202U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104954A (en) * 2013-02-05 2013-05-15 西安工程大学 Air conditioner system with double cold source unified operation to recover indoor exhausted air-cooling heat
CN107062451A (en) * 2017-02-22 2017-08-18 王全龄 A kind of water-washing type air purification VMC

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104954A (en) * 2013-02-05 2013-05-15 西安工程大学 Air conditioner system with double cold source unified operation to recover indoor exhausted air-cooling heat
CN103104954B (en) * 2013-02-05 2015-08-26 西安工程大学 Two low-temperature receiver cooperation reclaims the air-conditioning system of the cold and hot amount of indoor exhaust wind
CN107062451A (en) * 2017-02-22 2017-08-18 王全龄 A kind of water-washing type air purification VMC

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130807

Termination date: 20140205