CN208253826U - A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit - Google Patents

A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit Download PDF

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Publication number
CN208253826U
CN208253826U CN201820323837.3U CN201820323837U CN208253826U CN 208253826 U CN208253826 U CN 208253826U CN 201820323837 U CN201820323837 U CN 201820323837U CN 208253826 U CN208253826 U CN 208253826U
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air
heat exchanger
mechanical refrigeration
plate heat
fresh
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CN201820323837.3U
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肖峰
冉义兵
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Czech Wisdom Polytron Technologies Inc
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Czech Wisdom Polytron Technologies Inc
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Abstract

The utility model discloses a kind of indirect natural coolings of fresh air and mechanical refrigeration combined unit.The utility model has many advantages, such as energy-efficient, antifreeze, annual applicable in conjunction with mechanical refrigeration containing energy conservation measures such as indirect evaporation, recuperation of heat, atomizing spray and bypass.Firstly, on the one hand part reduces indoor return air temperature for return air inlet recuperation of heat, the another aspect heating recovery energy is for other utilizations.Meanwhile setting air-supply by-passing valve above evaporator coil opens air-supply by-passing valve, reduces the resistance by evaporator coil, save indoor circulation fan energy consumption under complete indirect evaporating-cooling mode.Secondly, winter or excessive season, the outdoor fresh air (auxiliary air) for crossing low temperature enters unit, it may appear that frost problem.It is used for antifreeze air draft by-passing valve by adjusting exhaust outlet, allows part outdoor air draft (high temperature) to mix with outdoor fresh air (crossing low temperature), prevents frost problem.

Description

A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit
Technical field
The utility model relates to air conditionings and energy-saving equipment technical field more particularly to a kind of indirect natural cooling of fresh air With mechanical refrigeration combined unit.
Background technique
Mechanical refrigeration energy consumption is high, Energy Efficiency Ratio is low.All-fresh air direct evaporating-cooling efficiency is high, and Temperature and Humidity Control is unstable, does not have There is part natural cooling operating condition, indoor pollutant concentration is higher when Outdoor Air Quality is bad.Indirect evaporating-cooling, it is to be processed Air (primary air) is exchanged heat with the fresh air (auxiliary air) of direct evaporative cooling, is remained directly by non-direct contact type Cold transpiration-cooled advantage, the shortcomings that overcoming direct evaporating-cooling and mechanical refrigeration.
But single indirect evaporating-cooling, part air themperature to be processed may can only be reduced in hot season, it cannot It is handled completely to target temperature.If data center or other Code in Hazardous Special Locations require all-year-around cooling, when outside air temperature is too low in winter, Outdoor fresh air, which is directly entered cooling unit, will appear frost problem.
Patent CN206669940U proposes a kind of indirect evaporating-cooling unit for data center, and indirect evaporation is utilized Cooling principle, but unbonded mechanical refrigeration, do not account for winter frost problem, and patent CN201620583001 is also such.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide between a kind of fresh air Natural cooling and mechanical refrigeration combined unit are connect, so as to solve the deficiencies in the prior art.
To achieve the above object, the utility model provides a kind of indirect natural cooling of fresh air and combines dress with mechanical refrigeration It sets, including shell, return air inlet, air outlet, fresh wind port, exhaust outlet, the first plate heat exchanger, the second plate heat exchanger, the first mist Change spray equipment, the second atomizing sprayer, compressor, catch basin, return air filter screen, indoor circulation blower, heat recovery apparatus, Blow valve, evaporator coil, air-supply by-passing valve, fresh air filter screen, outdoor circulating wind machine, evaporative condenser, spray equipment, gear Water-wet film, air draft air-valve, air draft by-passing valve, wet film open up return air inlet, air outlet, fresh wind port and exhaust outlet on the shell, return Return air filter screen, indoor circulation blower are set in air port, and blow valve, evaporator coil, air-supply by-passing valve, fresh wind port are set in air outlet Fresh air filter screen, outdoor circulating wind machine are inside set, evaporative condenser, spray equipment, air draft air-valve, air draft bypass are set in exhaust outlet The first atomizing sprayer, the second atomizing spray is respectively set in valve, first plate heat exchanger, the second plate heat exchanger top Catch basin is arranged in device, first plate heat exchanger, the second plate heat exchanger lower section.
The above-mentioned a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit, the exhaust outlet include compressor.
The above-mentioned a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit, first plate heat exchanger, second Plate heat exchanger is distributary plate heat exchanger.
The above-mentioned a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit, evaporator coil top setting are sent Wind by-passing valve.
The above-mentioned a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit is stated air draft by-passing valve and is arranged in exhaust outlet Interior and fresh wind port adjacent.
A kind of above-mentioned indirect natural cooling of fresh air and mechanical refrigeration combined unit also set up recuperation of heat in the return air inlet Device.
It is wet to also set up water blocking in the exhaust outlet for a kind of above-mentioned indirect natural cooling of fresh air and mechanical refrigeration combined unit Film.
A kind of above-mentioned indirect natural cooling of fresh air and mechanical refrigeration combined unit, below second plate heat exchanger with Wet film is formed between catch basin.
The beneficial effects of the utility model are:
The utility model is containing energy conservation measures such as indirect evaporation, recuperation of heat, atomizing spray and bypass, in conjunction with mechanical refrigeration, Have many advantages, such as energy-efficient, antifreeze, annual applicable.Firstly, on the one hand part reduces indoor return air temperature for return air inlet recuperation of heat, The another aspect heating recovery energy is for other utilizations.Meanwhile setting air-supply by-passing valve above evaporator coil, completely indirectly It evaporates under refrigerating mode, opens air-supply by-passing valve, reduce the resistance by evaporator coil, save indoor circulation fan energy consumption. Secondly, winter or excessive season, the outdoor fresh air (auxiliary air) for crossing low temperature enters unit, it may appear that frost problem.Pass through It adjusts exhaust outlet and is used for antifreeze air draft by-passing valve, allow part outdoor air draft (high temperature) to mix with outdoor fresh air (crossing low temperature), prevent Stagnant ice freezes problem.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is another form structure schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit, including shell 1, return air inlet 2, send Air port 3, fresh wind port 4, exhaust outlet 5, the first plate heat exchanger 61, the second plate heat exchanger 62, the first atomizing sprayer 63, Two atomizing sprayers 64, catch basin 8, return air filter screen 21, indoor circulation blower 22, heat recovery apparatus 23, are sent compressor 7 Air-valve 31, evaporator coil 32, air-supply by-passing valve 33, fresh air filter screen 41, outdoor circulating wind machine 42, evaporative condenser 51, Spray equipment 52, water blocking wet film 53, air draft air-valve 54, air draft by-passing valve 55, wet film 65, open up on the shell 1 return air inlet 2, Air outlet 3, fresh wind port 4 and exhaust outlet 5 set return air filter screen 21, indoor circulation blower 22 in return air inlet 2, set and send in air outlet 3 Air-valve 31, evaporator coil 32, by-passing valve 33 of blowing, set fresh air filter screen 41, outdoor circulating wind machine 42, air draft in fresh wind port 4 Evaporative condenser 51, spray equipment 52, air draft air-valve 54, air draft by-passing valve 55, first plate heat exchanger are set in mouth 5 61, it is respectively set the first atomizing sprayer 63, the second atomizing sprayer 64 above the second plate heat exchanger 62, described first Catch basin 8 is set below plate heat exchanger 61, the second plate heat exchanger 62.
In the present embodiment, the exhaust outlet 5 includes compressor 7.
In the present embodiment, first plate heat exchanger 61, the second plate heat exchanger 62 are distributary plate heat exchanger.
In the present embodiment, setting air-supply by-passing valve 33 above the evaporator coil 32.
In the present embodiment, states air draft by-passing valve 55 and be arranged in exhaust outlet 5 and 4 adjacent of fresh wind port.
In the present embodiment, heat recovery apparatus 23 is also set up in the return air inlet 2.
In the present embodiment, water blocking wet film 53 is also set up in the exhaust outlet 5.
In the present embodiment, wet film 65 is formed between 62 lower section of the second plate heat exchanger and catch basin 8.
As shown in Figure 1, 2, the principles of the present invention are:
Indoor return air flows through return air inlet 2, filters by return air filter screen 21, the suction of indoor circulation blower 22, Yi Jire After the heat absorption of recyclable device 23, then by the lateral air duct of the first plate heat exchanger 61, the second plate heat exchanger 62, arrival is sent Air port 3, outflow is handled by heat exchange as indoor air-supply after passing sequentially through evaporator coil 32, blow valve 31.Wherein, 2 heat of return air inlet On the one hand part reduces indoor return air temperature for recycling, and the another aspect heating recovery energy is for other utilizations.Meanwhile evaporator plate Setting air-supply by-passing valve 33 above pipe 32 opens air-supply by-passing valve 33 under complete indirect evaporating-cooling mode, and reduction passes through steaming The resistance of device coil pipe 32 is sent out, indoor circulation fan energy consumption is saved.
Outdoor fresh air flows through fresh wind port 4, filters by fresh air filter screen 41, and the suction of outdoor circulating wind machine 42 is admitted to The lateral air duct of first plate heat exchanger 61, the second plate heat exchanger 62, passes sequentially through evaporative condenser 51, spray equipment 52, water blocking wet film 53, air draft air-valve 54 and exhaust outlet 5 are outdoor air draft by heat exchange processing.In addition, winter or excessive season, The outdoor fresh air (auxiliary air) for crossing low temperature enters unit, it may appear that frost problem.By adjusting exhaust outlet for antifreeze Air draft by-passing valve 55 allows part outdoor air draft (high temperature) to mix with outdoor fresh air (crossing low temperature), prevents frost problem.
Finally, the utility model whole year is applicable in.It is cold that indirect evaporating-cooling, mechanical refrigeration, part indirect evaporation may be implemented But (or be described as indirect evaporating-cooling and combine with mechanical refrigeration) three kinds of operating modes.
In conclusion the utility model contains the energy conservation measures such as indirect evaporation, recuperation of heat, atomizing spray and bypass, with machinery Refrigeration combines, and has many advantages, such as energy-efficient, antifreeze, annual applicable.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, it all should be within the scope of protection determined by the claims.

Claims (8)

1. a kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit, it is characterised in that: including shell (1), return air inlet (2), air outlet (3), fresh wind port (4), exhaust outlet (5), the first plate heat exchanger (61), the second plate heat exchanger (62), first Atomizing sprayer (63), the second atomizing sprayer (64), compressor (7), catch basin (8), return air filter screen (21), interior Circulating fan (22), heat recovery apparatus (23), blow valve (31), evaporator coil (32), air-supply by-passing valve (33), fresh air filtering Net (41), outdoor circulating wind machine (42), evaporative condenser (51), spray equipment (52), water blocking wet film (53), air draft air-valve (54), air draft by-passing valve (55), wet film (65), open up on the shell (1) return air inlet (2), air outlet (3), fresh wind port (4) and Exhaust outlet (5), return air inlet (2) is interior to set return air filter screen (21), indoor circulation blower (22), sets blow valve in air outlet (3) (31), evaporator coil (32), air-supply by-passing valve (33), fresh wind port (4) is interior to set fresh air filter screen (41), outdoor circulating wind machine (42), evaporative condenser (51), spray equipment (52), air draft air-valve (54), air draft by-passing valve (55) are set in exhaust outlet (5), The first atomizing sprayer (63), the are respectively set above the second plate heat exchanger (62) for first plate heat exchanger (61) Catch basin is arranged in two atomizing sprayers (64), first plate heat exchanger (61), the second plate heat exchanger (62) lower section (8)。
2. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Exhaust outlet (5) includes compressor (7).
3. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described First plate heat exchanger (61), the second plate heat exchanger (62) are distributary plate heat exchanger.
4. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Setting air-supply by-passing valve (33) above evaporator coil (32).
5. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Air draft by-passing valve (55) is arranged in exhaust outlet (5) and fresh wind port (4) adjacent.
6. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Heat recovery apparatus (23) are also set up in return air inlet (2).
7. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Water blocking wet film (53) are also set up in exhaust outlet (5).
8. a kind of indirect natural cooling of fresh air as described in claim 1 and mechanical refrigeration combined unit, it is characterised in that: described Wet film (65) are formed between catch basin (8) below second plate heat exchanger (62).
CN201820323837.3U 2018-03-09 2018-03-09 A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit Active CN208253826U (en)

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Application Number Priority Date Filing Date Title
CN201820323837.3U CN208253826U (en) 2018-03-09 2018-03-09 A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110398047A (en) * 2019-07-11 2019-11-01 依米康科技集团股份有限公司 A kind of evaporative cooling system and control method
CN110469930A (en) * 2019-09-20 2019-11-19 依米康科技集团股份有限公司 A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling
CN110500684A (en) * 2019-08-27 2019-11-26 深圳市共济科技股份有限公司 A kind of energy-saving air conditioning system and its control method
WO2020134784A1 (en) * 2018-12-26 2020-07-02 中兴通讯股份有限公司 Spraying system and indirect evaporative cooling system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020134784A1 (en) * 2018-12-26 2020-07-02 中兴通讯股份有限公司 Spraying system and indirect evaporative cooling system
CN110398047A (en) * 2019-07-11 2019-11-01 依米康科技集团股份有限公司 A kind of evaporative cooling system and control method
CN110500684A (en) * 2019-08-27 2019-11-26 深圳市共济科技股份有限公司 A kind of energy-saving air conditioning system and its control method
CN110469930A (en) * 2019-09-20 2019-11-19 依米康科技集团股份有限公司 A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling

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