CN209214064U - A kind of central air conditioner main machine room heat reclaim unit - Google Patents

A kind of central air conditioner main machine room heat reclaim unit Download PDF

Info

Publication number
CN209214064U
CN209214064U CN201822155374.7U CN201822155374U CN209214064U CN 209214064 U CN209214064 U CN 209214064U CN 201822155374 U CN201822155374 U CN 201822155374U CN 209214064 U CN209214064 U CN 209214064U
Authority
CN
China
Prior art keywords
fixedly connected
heat
heat source
heat exchanger
condenser
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
CN201822155374.7U
Other languages
Chinese (zh)
Inventor
叶兆敏
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.)
Guangdong Dexin Air Conditioning Technology Co Ltd
Original Assignee
Guangdong Dexin Air Conditioning Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Dexin Air Conditioning Technology Co Ltd filed Critical Guangdong Dexin Air Conditioning Technology Co Ltd
Priority to CN201822155374.7U priority Critical patent/CN209214064U/en
Application granted granted Critical
Publication of CN209214064U publication Critical patent/CN209214064U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Abstract

The utility model belongs to edible fungus production equipment technical field, and in particular a kind of central air conditioner main machine room heat reclaim unit, including condenser, the side of the condenser are fixedly connected with the first heat source outlet pipe;In air conditioner refrigerating, the hot water that condenser comes out enters in plate heat exchanger from heat source inlet pipe, exchange hot plate is heated, then entered back into condenser from plate heat exchanger thermal source outlet, it radiates to condenser, when needing to heat up to fresh air, fresh air is from fresh air inlet pipe, into in plate heat exchanger, after the heat exchanger plates for the hot water heating that condenser comes out heat fresh air, enter in the region for needing to enter from fresh air outlet pipe, in this way after heat exchange, the high-temperature water that condenser comes out does not need cooling tower cooler, and the heating of the fresh air of each region does not need to provide other heat sources yet, heat is utilized, reduce the waste of heat, the cost of cultivation is reduced simultaneously.

Description

A kind of central air conditioner main machine room heat reclaim unit
Technical field
The utility model belongs to edible fungus production equipment technical field, and in particular to a kind of central air conditioner main machine room heat returns Receiving apparatus.
Background technique
Due to the growth technique of edible mushroom, different growth cycles needs different temperature, in winter in the north, weather ratio It is colder, it is different big according to the difference of growth cycle locating for edible mushroom among each greenhouse in the greenhouse breeding process of edible mushroom Required temperature is also different in canopy, so can exist simultaneously needs during carrying out greenhouse cultivation edible mushroom The case where cooling and heating, in order to which the temperature among different greenhouses is cooled down or heated up, people start with central hollow It transfers that the temperature among greenhouse is adjusted, after the temperature among greenhouse reaches required temperature, central air-conditioning will suspend Work confirms the quantity of central air-conditioning according to the quantity of greenhouse, and condenser can generate heat when central air-conditioning freezes, and Fresh air needs to heat up before entering room in winter, and main condenser leaving water temperature highest can achieve 37 degree, and minimum is 30 Degree, and the fresh air inlet air temperature of end only needs to be raised to 5 degree just.
Chinese patent (patent No.: CN201621070371.8 discloses a kind of heat recovery system of central air-conditioning), this is specially Benefit can obtain the hot water of temperature-controllable by the heat recovery to central air-conditioning assembly, such as obtain 45 DEG C~60 DEG C of hot water, Realize the purpose that waste heat rationally utilizes;Also, it is shown by engineering detecting, since temperature is rationally controlled, so that this reality It is effectively improved with novel working efficiency, increase rate can reach 5%~15%;And failure rate is few, the service life extends, but It is that there are some problems.
Existing technology has the following problems:
1, since cooling can only use air-conditioning, condenser can generate heat when central air-conditioning freezes, and existing is with cold But tower radiates to condenser, causes the waste of heat, and existing is that electric heating or steam add to fresh air heating Heat, such energy requirement is larger, increases the cost of cultivation.
2, existing heat reclaim unit when carrying out heat recovery, also can by central air-conditioning break-off, condenser Break-off is all easier the phenomenon that flowing back so as to cause hot water out pipe and fresh air outlet, influences the efficiency of heat exchange.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of central air conditioner main machine room heat Recyclable device has the characteristics that reduce cost and anti-backflow.
To achieve the above object, the utility model provides the following technical solutions:
A kind of central air conditioner main machine room heat reclaim unit, including central air-conditioning, the inside of the central air-conditioning are equipped with Condenser, the side of the condenser are fixedly connected with the first heat source outlet pipe, and the side of the condenser is close to first heat The side of source outlet pipe is fixedly connected with Secondary Heat Source inlet pipe, and one end of the first heat source outlet pipe is fixedly connected with tee tube, institute The one end for stating tee tube is fixedly connected with the first heat source inlet pipe, and one end of the first heat source inlet pipe is fixedly connected with plate-type heat-exchange Device shell, the inside of the plate heat exchanger shell are equipped with heat exchanger plates, and the side of the plate heat exchanger shell is far from described The side of first heat source inlet pipe is fixedly connected with Secondary Heat Source outlet pipe, and the side of the plate heat exchanger shell is close to described second The side of heat source outlet pipe is fixedly connected with fresh air inlet pipe, and the side of the plate heat exchanger shell is close to the first heat source inlet pipe Side be fixedly connected with fresh air outlet pipe, one end of the first heat source inlet pipe is equipped with water pump, and one end of the fresh air outlet pipe is set There is air pump.
Further, check device outer housing, the check device outer housing are run through in one end of the Secondary Heat Source outlet pipe Inner sidewall be fixedly connected with fixed plate far from the side of the plate heat exchanger shell, the outer surface of the fixed plate offers The inner sidewall of several first through hole, the check device outer housing offers close to the side of the plate heat exchanger shell Two through-holes, the side of the fixed plate are fixedly connected with fixed link close to the side of second through-hole, the fixed link it is outer Side wall is fixedly connected with spring, and one end of the spring is fixedly connected with baffle.
Further, the Secondary Heat Source outlet pipe is fixedly connected by the tee tube with the Secondary Heat Source inlet pipe.
Further, one end of the fresh air outlet pipe is fixedly connected with the tee tube.
Further, the quantity of the heat exchanger plates is several, and is fixedly connected to the plate heat exchanger shell Inner sidewall.
Further, the inner sidewall of the check device outer housing is fixedly connected with gasket.
Further, the side of the baffle is bonded the inner sidewall of the check device outer housing, and the face of the baffle Product is greater than the area of second through-hole.
Compared with prior art, the utility model has the beneficial effects that
1, in air conditioner refrigerating, condenser come out hot water enter in plate heat exchanger from heat source inlet pipe, exchange hot plate into Row heating, then enter back into condenser from plate heat exchanger thermal source outlet, radiate to condenser, when need to fresh air into When row heating, fresh air is from fresh air inlet pipe, and into plate heat exchanger, the heat exchanger plates of the hot water heating come out by condenser are to new After wind is heated, enter in the region for needing to enter from fresh air outlet pipe, in this way after heat exchange, the height of condenser out Warm water does not need cooling tower cooler, and the heating of the fresh air of each region does not need to provide other heat sources yet, and heat is utilized Amount, reduces the waste of heat, while reducing the cost of cultivation.
2, when there is liquid or gas backstreaming the phenomenon that, liquid or gas will push the intracorporal gear of check device shell Plate, baffle can block air inlet mouth of pipe, to prevent liquid or gas from flowing back, effectively prevent flowing back, avoid influencing The efficiency of heat exchange.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the rearview of the utility model.
Fig. 3 is the left view in the utility model.
Fig. 4 is the interior view of the check device outer housing in the utility model.
Fig. 5 is the flow chart of the utility model.
In figure: 1- condenser, the first heat source of 2- outlet pipe, 3- tee tube, the first heat source of 4- inlet pipe, 5- plate heat exchanger shell Body, 6- heat exchanger plates, 7- Secondary Heat Source outlet pipe, 8- fresh air inlet pipe, 9- fresh air outlet pipe, 10- check device outer housing, 11- gasket, 12- fixed plate, 13- fixed link, 14- spring, 15- baffle, 16- first through hole, the second through-hole of 17-, 18- Secondary Heat Source inlet pipe, 19- central air-conditioning, 20- water pump, 21- air pump.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, the utility model the following technical schemes are provided:
A kind of central air conditioner main machine room heat reclaim unit, including central air-conditioning 19, the inside peace of the central air-conditioning 19 Equipped with condenser 1, the side of condenser 1 is fixedly connected with the first heat source outlet pipe 2, and the side of condenser 1 goes out close to the first heat source The side of pipe 2 is fixedly connected with Secondary Heat Source inlet pipe 18, and one end of the first heat source outlet pipe 2 is fixedly connected with tee tube 3, tee tube 3 one end is fixedly connected with the first heat source inlet pipe 4, and one end of the first heat source inlet pipe 4 is fixedly connected with plate heat exchanger shell 5, The inside of plate heat exchanger shell 5 is equipped with heat exchanger plates 6, and the side of plate heat exchanger shell 5 is far from the one of the first heat source inlet pipe 4 Side is fixedly connected with Secondary Heat Source outlet pipe 7, and the side of plate heat exchanger shell 5 is close to the fixed company in the side of Secondary Heat Source outlet pipe 7 It is connected to fresh air inlet pipe 8, the side of plate heat exchanger shell 5 is fixedly connected with fresh air outlet pipe close to the side of the first heat source inlet pipe 4 9, one end of the first heat source inlet pipe 4 is equipped with water pump 20, and one end of fresh air outlet pipe 9 is equipped with air pump 21.
In the present embodiment: the model GQ56467 of water pump 20, water pump 20 provide power for the extraction and conveying of hot water.
In the present embodiment: the model FCY5015 of air pump 21, air pump 21 provide power for the extraction and conveying of new gas.
In the present embodiment: in air conditioner refrigerating, entering threeway from the hot water that condenser 1 comes out from the first heat source outlet pipe 2 In pipe 3, then out of tee tube 3 the first heat source inlet pipe 4 of entrance, setting tee tube 3 can connect multiple first heat source outlet pipes 2, make The hot water come out in multiple condensers 1 can enter in the first heat source inlet pipe 4 out of tee tube 3, hence into plate-type heat-exchange It in device shell 5, enters back into exchange hot plate 6, hot water exchange hot plate 6 is heated, and hot water can turn cold, then from plate-type heat-exchange Device shell 5 enters in Secondary Heat Source outlet pipe 7, then enters in Secondary Heat Source inlet pipe 18 from Secondary Heat Source outlet pipe 7, enters back into condenser In 1, to radiate to condenser 1, when heating up to fresh air, fresh air enters in plate heat exchanger shell 5 from fresh air inlet pipe 8, It enters back into exchange hot plate 6, because the hot water exchange hot plate 6 come out out of condenser 1 is heated, heat exchanger plates 6 can To be heated to fresh air, after heat exchanger plates 6 heat fresh air, then out of, fresh air outlet pipe 9 enters that needs enter region, water Pump 20 provides power for the extraction and conveying of hot water, and air pump 21 provides power for the extraction and conveying of new gas, because condenser 1 goes out Coolant-temperature gage highest can achieve 37 degree, and minimum is 30 degree, and the fresh air inlet air temperature of end only needs to be raised to 5 degree just, so Plate heat exchanger can satisfy the heating to fresh air, and in this way after heat exchange, the high-temperature water that condenser 1 comes out is not needed Cooling tower cooler, and the heating of the fresh air of each region does not need to provide other heat sources yet, and heat is utilized, and reduces heat Waste, while reducing the cost of production.
Specifically, check device outer housing 10, the inside of check device outer housing 10 are run through in one end of Secondary Heat Source outlet pipe 7 Wall is fixedly connected with fixed plate 12 far from the side of plate heat exchanger shell 5, the outer surface of fixed plate 12 offer several The inner sidewall of one through-hole 16, check device outer housing 10 offers the second through-hole 17 close to the side of plate heat exchanger shell 5, Gu The side of fixed board 12 is fixedly connected with fixed link 13 close to the side of the second through-hole 17, and the lateral wall of fixed link 13 is fixedly connected with Spring 14, one end of spring 14 are fixedly connected with baffle 15;Gas or liquid enter outside check device by the second through-hole 17 When shell 10, baffle 15 can be opened, while making 14 deformation of spring, fixed link 13 can fix spring 14, and fixed plate 12 can be with Fixed link 13 is fixed, when there is gas or liquid reflux phenomenon, gas or liquid pass through the second through-hole 17 and enters non-return In crust of the device body 10, because flowing back, baffle 15 will not make 14 deformation of spring, and spring 14 will withstand baffle 15, Baffle 15 is set to block the second through-hole 17, perhaps liquid would not spill out and avoids gas or liquid reflux gas.
Specifically, Secondary Heat Source outlet pipe 7 is fixedly connected by tee tube 3 with Secondary Heat Source inlet pipe 18;Secondary Heat Source outlet pipe 7 It is fixedly connected by tee tube 3 with Secondary Heat Source inlet pipe 18, cooling hot water can be entered tee tube from Secondary Heat Source outlet pipe 7 In 3, then entered in multiple Secondary Heat Source inlet pipes 18 by tee tube 3, hence into multiple condensers 1, to multiple condensers 1 It radiates.
Specifically, one end of fresh air outlet pipe 9 is fixedly connected with tee tube 3;By one end of fresh air outlet pipe 9, tee tube is set 3, the fresh air of heating can be made to enter in multiple zone ducts for needing to enter.
Specifically, the quantity of heat exchanger plates 6 is several, and it is fixedly connected to the inner sidewall of plate heat exchanger shell 5;It is logical It crosses and increases or decreases several heat exchanger plates 6, that is, can reach the purpose for increasing or decreasing heat exchange area, to increase or decrease heat exchange effect Rate, several heat exchanger plates 6, which are arranged, freely to be designed according to the actual situation.
Specifically, the inner sidewall of check device outer housing 10 is fixedly connected with gasket 11;It can by setting gasket 11 To prevent the gas entered in check device outer housing 10 or leaked liquid.
Specifically, the inner sidewall of the side fitting check device outer housing 10 of baffle 15, and the area of baffle 15 is greater than the The area of two through-holes 17;It is the case where flowing back, since the area of baffle 15 is greater than the area of the second through-hole 17, so gear Plate 15 can block the gas of reflux, and perhaps liquid avoids gas or liquid reflux.
The working principle and process for using of the utility model: in air conditioner refrigerating, the hot water come out from condenser 1 is from first Heat source outlet pipe 2 enters in tee tube 3, then enters in the first heat source inlet pipe 4 from tee tube 3, and tee tube 3 can connect multiple first Heat source outlet pipe 2 enter the hot water come out in multiple condensers 1 can out of tee tube 3 in first heat source inlet pipe 4, thus Into in plate heat exchanger shell 5, entering back into exchange hot plate 6, hot water exchange hot plate 6 is heated, and hot water can turn cold, with Enter in Secondary Heat Source outlet pipe 7 from plate heat exchanger shell 5 afterwards, then enter in Secondary Heat Source inlet pipe 18 from Secondary Heat Source outlet pipe 7, It enters back into condenser 1, radiates to condenser 1, when heating up to fresh air, fresh air enters board-like change from fresh air inlet pipe 8 In hot device shell 5, enter back into exchange hot plate 6 in, after heat exchanger plates 6 heat fresh air, then from fresh air outlet pipe 9 enter need into In the region entered, when gas or liquid enter check device outer housing 10 by the second through-hole 17, baffle 15 can be opened, simultaneously Making 14 deformation of spring, then check device outer housing 10 is flowed out by first through hole 16, fixed link 13 can fix spring 14, Gu Fixed board 12 can fix fixed link 13, and when there is gas or liquid reflux phenomenon, gas or liquid pass through the second through-hole 17 enter in check device outer housing 10, because flowing back, baffle 15 will not make 14 deformation of spring, and spring 14 will push up Firmly baffle 15 make baffle 15 block the second through-hole 17, avoid flowing back, and gasket 11 can prevent from entering check device outer housing Gas or leaked liquid in 10, water pump 20 provide power for the extraction and conveying of hot water, and air pump 21 is the extraction of new gas and defeated Offer power is provided.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of central air conditioner main machine room heat reclaim unit, including central air-conditioning (19), the inside of the central air-conditioning (19) It is equipped with condenser (1), the side of the condenser (1) is fixedly connected with the first heat source outlet pipe (2), the condenser (1) Side is fixedly connected with Secondary Heat Source inlet pipe (18) close to the side of the first heat source outlet pipe (2), it is characterised in that: described One end of one heat source outlet pipe (2) is fixedly connected with tee tube (3), and one end of the tee tube (3) is fixedly connected with the first heat source One end of inlet pipe (4), the first heat source inlet pipe (4) is fixedly connected with plate heat exchanger shell (5), the plate heat exchanger shell The inside of body (5) is equipped with heat exchanger plates (6), and the side of the plate heat exchanger shell (5) is far from the first heat source inlet pipe (4) Side be fixedly connected with Secondary Heat Source outlet pipe (7), the side of the plate heat exchanger shell (5) goes out close to the Secondary Heat Source The side of pipe (7) is fixedly connected with fresh air inlet pipe (8), and the side of the plate heat exchanger shell (5) is close to first heat source The side of inlet pipe (4) is fixedly connected with fresh air outlet pipe (9), and one end of the first heat source inlet pipe (4) is equipped with water pump (20), described One end of fresh air outlet pipe (9) be equipped with air pump (21), the central air-conditioning (19), the water pump (20) and the air pump (21) with External power supply is electrically connected.
2. a kind of central air conditioner main machine room heat reclaim unit according to claim 1, it is characterised in that: second heat Check device outer housing (10) are run through in one end of source outlet pipe (7), and the inner sidewall of the check device outer housing (10) is far from described The side of plate heat exchanger shell (5) is fixedly connected with fixed plate (12), and the outer surface of the fixed plate (12) offers several A first through hole (16), the inner sidewall of the check device outer housing (10) is close to the side of the plate heat exchanger shell (5) It offers the second through-hole (17), the side of the fixed plate (12) is fixedly connected with close to the side of second through-hole (17) The lateral wall of fixed pole (13), the fixed link (13) is fixedly connected with spring (14), and one end of the spring (14) is fixedly connected There are baffle (15).
3. a kind of central air conditioner main machine room heat reclaim unit according to claim 1, it is characterised in that: second heat Source outlet pipe (7) is fixedly connected by the tee tube (3) with the Secondary Heat Source inlet pipe (18).
4. a kind of central air conditioner main machine room heat reclaim unit according to claim 1, it is characterised in that: the fresh air goes out One end of pipe (9) is fixedly connected with the tee tube (3).
5. a kind of central air conditioner main machine room heat reclaim unit according to claim 1, it is characterised in that: the heat exchanger plates (6) quantity is several, and is fixedly connected to the inner sidewall of the plate heat exchanger shell (5).
6. a kind of central air conditioner main machine room heat reclaim unit according to claim 2, it is characterised in that: the non-return dress The inner sidewall for setting outer housing (10) is fixedly connected with gasket (11).
7. a kind of central air conditioner main machine room heat reclaim unit according to claim 2, it is characterised in that: the baffle (15) side is bonded the inner sidewall of the check device outer housing (10), and the area of the baffle (15) is greater than described second The area of through-hole (17).
CN201822155374.7U 2018-12-21 2018-12-21 A kind of central air conditioner main machine room heat reclaim unit Expired - Fee Related CN209214064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822155374.7U CN209214064U (en) 2018-12-21 2018-12-21 A kind of central air conditioner main machine room heat reclaim unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822155374.7U CN209214064U (en) 2018-12-21 2018-12-21 A kind of central air conditioner main machine room heat reclaim unit

Publications (1)

Publication Number Publication Date
CN209214064U true CN209214064U (en) 2019-08-06

Family

ID=67465546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822155374.7U Expired - Fee Related CN209214064U (en) 2018-12-21 2018-12-21 A kind of central air conditioner main machine room heat reclaim unit

Country Status (1)

Country Link
CN (1) CN209214064U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110925999A (en) * 2019-12-13 2020-03-27 深圳通利机电工程有限公司 Condensation heat recovery system and method of air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110925999A (en) * 2019-12-13 2020-03-27 深圳通利机电工程有限公司 Condensation heat recovery system and method of air conditioner

Similar Documents

Publication Publication Date Title
CN203949532U (en) IDC machine room closed cooling tower in winter
CN202709351U (en) Heat pump type radiation air conditioner
CN109883226A (en) Cryo Heat Tube heat exchange air conditioning device and heat-exchange method for mine return air
CN101551145A (en) Energy-saving air-conditioner with new wind changed by natural energy
CN103759363B (en) The Evaporative Cooling Air-conditioning System combined with passive cooling, heating
CN209214064U (en) A kind of central air conditioner main machine room heat reclaim unit
CN201039641Y (en) Air conditioner for machine room
CN205119549U (en) Multi -functional heat pump type evaporation formula condensation air conditioning unit
CN205049026U (en) Two cooled heat pipe heat exchange systems
CN207427695U (en) A kind of servo-driver radiator
CN204757443U (en) Viscose degasification refrigeration cycle water cooling system
CN202955831U (en) Device for recycling radiated heat of refrigerating air-conditioning outdoor machine
CN111998574B (en) Commercial complex air conditioner energy recovery method and system
CN201069217Y (en) An ice water efficient energy-saving central air conditioning system
CN204790831U (en) Automatic radiating complete machine cabinet heat pipe exchanger backplate
CN208817629U (en) A kind of water cooling air conditioning system
CN208967953U (en) A kind of efficient refrigeration system of pumping phase transformation circulation
CN102967035A (en) Device for recycling heat emission of refrigerating air-conditioning outdoor unit
CN203857595U (en) Evaporative cooling air conditioner unit combining cooling and heating
CN206609182U (en) A kind of split type static source pump of low ambient temperature
CN205919569U (en) Fin -tube type indirect evaporation air cooler
CN205481956U (en) Trickle increase air cooled condenser
CN104729319A (en) Double-effect energy tower
CN205669899U (en) Cold heat recovery fresh air conditioner hot-water heating system
CN105757814B (en) Cooling-heating integrated machine air-conditioning

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190806

Termination date: 20211221