CN110469930A - A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling - Google Patents

A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling Download PDF

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Publication number
CN110469930A
CN110469930A CN201910891675.2A CN201910891675A CN110469930A CN 110469930 A CN110469930 A CN 110469930A CN 201910891675 A CN201910891675 A CN 201910891675A CN 110469930 A CN110469930 A CN 110469930A
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CN
China
Prior art keywords
heat exchanger
spray
heat exchange
module
water
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.)
Pending
Application number
CN201910891675.2A
Other languages
Chinese (zh)
Inventor
罗波
张菀
李猛
陈忠
范玉斐
王练
王坤
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.)
Isco Technology Group Ltd By Share Ltd
Original Assignee
Isco Technology Group Ltd By Share 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 Isco Technology Group Ltd By Share Ltd filed Critical Isco Technology Group Ltd By Share Ltd
Priority to CN201910891675.2A priority Critical patent/CN110469930A/en
Publication of CN110469930A publication Critical patent/CN110469930A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers

Abstract

The invention discloses a kind of evaporation cooling systems for preventing heat exchanger heat exchange core body corrosion and fouling, it is characterized by comprising spray systems, heat exchanger, outdoor return module, indoor return air module, outdoor air supply module and indoor air supply module, the air entered from the indoor return air module can be discharged after the heat exchange of the heat exchange core body of heat exchanger from indoor air supply module, the spray system is located outside between return air module and heat exchanger, it is separated between spray system and heat exchanger by wet film, the outdoor fresh air entered from the outdoor return module is successively discharged after the heat exchange core body of wet film and heat exchanger from outdoor air supply module after being cooled down by spray system;The evaporation cooling system can effectively avoid water from directly contacting with heat exchange core body, can be effectively solved heat exchange core body fouling and etching problem, while can also ensure that the effect of water evaporation cooling.

Description

A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling
Technical field
The present invention relates to a kind of technical field of air conditioner refrigeration, and in particular to one kind prevents heat exchanger heat exchange core body from corroding and tying The evaporation cooling system of dirt.
Background technique
Data center, China total amount is more than 400,000, and data center machine room entirety PUE is high, and power consumption has been more than complete The 1.5% of social total electricity.To reduce consumption of data center, computer room construction relevant departments, which combine, have been formulated " in national green data Heart pilot work scheme ", it is desirable that hundred green data centers are created in major fields within 2017, green data center requirement:
1) comprehensive to utilize natural cooling source;
2) water resource is recycled;
3) low PUE.
And evaporate it is cold be a kind of pure natural cooling source cooling supply mode, meet the requirement of green data center, obtain each machine The attention of room Air-conditioning Enterprise.
Evaporating cooling system is exactly that water is directly contacted with air, and under certain condition, water evaporation forms water vapor absorption heat, Reduce air themperature (actual result is air themperature, vapor (containing liquid water) reduction);At present in evaporation cooling system, spray System is arranged in above the heat exchange core body of heat exchanger, and water is broken down into small water droplet (water mist) by nozzle, is directly contacted with air Evaporation, cooling air, the small water droplet not being evaporated are dropped on core, contact evaporate with air again, cooling empty again Gas;Since water is directly contacted with heat exchange core body, it will lead to and condense scale in core surface, influence heat transfer effect;If core is adopted With metal material, it can also corrode core.
Based on problem above, current settling mode is:
1. water uses softened water;2. core uses non-metallic material;3. periodic cleaning core and replacement heat exchange core body;Using softening Water energy enough substantially improves core scale problems, but operating cost increases;And heat exchange core body uses non-metallic material, heat exchange core body is rotten Erosion problem can be resolved, but core heat exchange efficiency reduces, and unit size increases, and be unfavorable for unit transport and installation;Periodically Core is cleaned, can improve core fouling and etching problem, but O&M cost increases and not intelligence, influences user's use.
Summary of the invention
When cooling down in the prior art to air it is an object of the invention to overcome, water droplet causes on heat exchange core body Heat exchange core body occurs corroding and the shortcomings that fouling, provides a kind of cold system of evaporation for preventing heat exchanger heat exchange core body corrosion and fouling System, the evaporation cooling system can effectively avoid water from directly contacting with heat exchange core body, can be effectively solved heat exchange core body fouling And etching problem, while can also ensure that the effect of water evaporation cooling.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling, it is characterised in that: including spray system, heat exchange Device, outdoor return module, indoor return air module, outdoor air supply module and indoor air supply module, from the indoor return air module into The air entered can be discharged after the heat exchange of the heat exchange core body of heat exchanger from indoor air supply module, and the spray system is located outside Between return air module and heat exchanger, separated between spray system and heat exchanger by wet film, from the outdoor return module into The outdoor fresh air entered cooled down by spray system after successively after the heat exchange core body of wet film and heat exchanger from from outdoor air-supply mould Block discharge.
Assisted refrigeration module is equipped between the outdoor air supply module and heat exchanger.
The spray system includes pipeline, nozzle and spray water tank, and the pipeline with water source for connecting, the nozzle peace On pipeline, the nozzle is located at the top of spray water tank.
The nozzle has multiple, and the water spraying direction of nozzle is towards spray water tank.
The spray water tank bottom is equipped with discharge outlet, is equipped with drain valve at the discharge outlet.
It is equipped with water level switch in the spray water tank, water compensating valve is equipped in spray water tank, water compensating valve is connect with water source, institute It states water level switch to connect with water compensating valve, water pump is equipped in the spray water tank, the pipeline is connect with water pump.
Compared with prior art, the invention has the following advantages:
The present invention by the way that wet film is arranged between outdoor return module and heat exchanger, spray system and heat exchanger can be carried out every It opens, wet film plays the role of blocking, and the water droplet or water mist that spray system is formed are first to from the room that outdoor return module enters Outer fresh air carries out directly contact and carries out first time evaporation, reduces the temperature of outdoor fresh air, and outdoor fresh air is mobile to wet film direction, with Wet film directly contacts second of progress and evaporates, and the temperature of outdoor fresh air is reduced again, so that the water droplet for following outdoor fresh air mobile Whole evaporations are carried out at wet film, water droplet is avoided to enter in heat exchanger, are directly connect in this way, can avoid water droplet with heat exchange core body Touching, guarantees that heat exchange core body is not in fouling or corrosion condition;Importantly, outdoor fresh air is realized by the evaporation of water mist Cool down for the first time, by being cooled down again at wet film, finally to progress third time cooling at heat exchange core body, ensure that water evaporation The effect of cooling.
It is equipped with assisted refrigeration module between outdoor air supply module of the present invention and heat exchanger, passes through assisted refrigeration module Setting can be further ensured that refrigeration effect.
The present invention carries out water spray by nozzle, and a part of water mist directly contacts evaporation to outdoor fresh air, to outdoor new Wind is evaporated cooling, and the water mist a part not being evaporated is fallen in spray water tank under gravity, and another part is then Cool down as outdoor fresh air moves to evaporation at wet film to fresh air.
Spray water tank bottom of the present invention is equipped with discharge outlet, is equipped with drain valve at the discharge outlet, in this way, for a long time After use, the water in spray water tank can be discharged, or water is changed manually to it, avoid water from accumulating overlong time smelly.
It is equipped with water level switch in spray water tank of the present invention, water compensating valve, water compensating valve and water source are equipped in spray water tank Connection, the water level switch are connect with water compensating valve, water pump are equipped in the spray water tank, the pipeline is connect with water pump, described Water level switch is used to detect the water level information situation in spray water tank, and water level information is transferred to benefit according to the water level conditions moment At water valve, water compensating valve carries out moisturizing according to the water level information received, to spray water tank, to guarantee the normal operation of system.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is spray system structural schematic diagram of the present invention.
Appended drawing reference: 1 outdoor return module, 2 spray systems, 201 wet films, 202 nozzles, 203 pipelines, 204 water tanks, 3 change Hot core, 4 indoor return air modules, air supply module outside Room 5,6 assisted refrigeration modules, air supply module outside Room 7,8 heat exchangers.
Specific embodiment
The present invention will be further described with reference to the examples below, and described embodiment is only present invention a part Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making Other embodiments used obtained, belong to protection scope of the present invention under the premise of creative work.
Referring to Fig. 1 and Fig. 2, a kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling, including spray system System 2, heat exchanger 8, outdoor return module 1, indoor return air module 4, outdoor air supply module 5 and indoor air supply module 7, from the room The air that interior return air module 4 enters can be discharged after the heat exchange of the heat exchange core body 3 of heat exchanger 8 from indoor air supply module 7, described Spray system 2 is located outside between return air module 1 and heat exchanger 8, between spray system 2 and heat exchanger 8 by wet film 201 every It opens, the outdoor fresh air entered from the outdoor return module 1 successively passes through wet film 201 and heat exchange after cooling down by spray system 2 It is discharged after the heat exchange core body 3 of device 8 from outdoor air supply module 5.
Wherein, assisted refrigeration module 6 is equipped between the outdoor air supply module 5 and heat exchanger 8.
Wherein, the spray system 2 include pipeline 203, nozzle 202 and spray water tank 204, the pipeline 203 be used for Water source connection, the nozzle 202 are mounted on pipeline 203, and the nozzle 202 is located at the top of spray water tank 204.
It advanced optimizes, the nozzle 202 has multiple, and the water spraying direction of nozzle 202 is towards spray water tank 204, the spray 202 quantity of mouth need to be set according to the region area of the top of spray water tank 204, should ensure that nozzle 202 and spray water tank 204 it Between form water mist abundant.
It advanced optimizes, 204 bottom of spray water tank is equipped with discharge outlet, is equipped with drain valve at the discharge outlet.
It advanced optimizes, is equipped with water level switch in the spray water tank 204, water compensating valve is equipped in spray water tank 204, mend Water valve is connect with water source, and the water level switch is connect with water compensating valve, is equipped with water pump, the pipeline 203 in the spray water tank 204 It is connect with water pump.
Wherein, the outdoor return module 1, indoor return air module 4, outdoor air supply module 5 and indoor air supply module 7 be at least It including a blower, allows air to flow, guarantees that air smoothly cools down.
Arrow is oriented to air flow direction in figure.
Wherein, it should be noted that spray system 2 also can be set between heat exchanger 8 in indoor return air module 4, and It is separated between spray system 2 and heat exchanger 8 by wet film 201;It further, can between heat exchanger 8 and outdoor air supply module 7 Add assisted refrigeration module 6.

Claims (6)

1. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling, it is characterised in that: including spray system, change Hot device, outdoor return module, indoor return air module, outdoor air supply module and indoor air supply module, from the indoor return air module The air of entrance can be discharged after the heat exchange of the heat exchange core body of heat exchanger from indoor air supply module, and the spray system is located at room It between outer return air module and heat exchanger, is separated between spray system and heat exchanger by wet film, from the outdoor return module The outdoor fresh air of entrance by spray system cool down after successively after the heat exchange core body of wet film and heat exchanger from outdoor air-supply mould Block discharge.
2. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling according to claim 1, feature It is: is equipped with assisted refrigeration module between the outdoor air supply module and heat exchanger.
3. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling according to claim 1, feature Be: the spray system includes pipeline, nozzle and spray water tank, and the pipeline with water source for connecting, the nozzle installation On pipeline, the nozzle is located at the top of spray water tank.
4. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling according to claim 3, feature Be: the nozzle has multiple, and the water spraying direction of nozzle is towards spray water tank.
5. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling according to claim 3, feature Be: the spray water tank bottom is equipped with discharge outlet, is equipped with drain valve at the discharge outlet.
6. a kind of evaporation cooling system for preventing heat exchanger heat exchange core body corrosion and fouling according to claim 3, feature It is: is equipped with water level switch in the spray water tank, water compensating valve is equipped in spray water tank, water compensating valve is connect with water source, described Water level switch is connect with water compensating valve, and water pump is equipped in the spray water tank, and the pipeline is connect with water pump.
CN201910891675.2A 2019-09-20 2019-09-20 A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling Pending CN110469930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910891675.2A CN110469930A (en) 2019-09-20 2019-09-20 A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910891675.2A CN110469930A (en) 2019-09-20 2019-09-20 A kind of evaporation cooling system preventing heat exchanger heat exchange core body corrosion and fouling

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Publication Number Publication Date
CN110469930A true CN110469930A (en) 2019-11-19

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010011692A (en) * 1999-07-26 2001-02-15 이현숙 Condenser
CN201973823U (en) * 2011-02-22 2011-09-14 浙江佳为环境科技有限公司 Direct evaporation moving type air cooler
CN202024427U (en) * 2011-02-22 2011-11-02 浙江佳为环境科技有限公司 Cooling dedusting direct evaporative air cooler
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CN207599911U (en) * 2017-11-24 2018-07-10 依米康科技集团股份有限公司 A kind of modularization air-conditioner set
CN108548352A (en) * 2018-04-20 2018-09-18 依米康科技集团股份有限公司 A kind of computer-room air conditioning system and its control method
CN208124525U (en) * 2018-03-22 2018-11-20 新疆新特空调节能技术有限公司 It is a kind of to evaporate the cooling device for producing cold wind using efficiently how stupefied pipe
CN108954617A (en) * 2018-08-07 2018-12-07 郑州云海信息技术有限公司 A kind of multisystem refrigeration air-conditioning unit
CN108954742A (en) * 2014-08-20 2018-12-07 上海诺佛尔生态科技有限公司 The Fresh air handing device of the central air conditioner system of efficiency of energy utilization can be improved
CN208253826U (en) * 2018-03-09 2018-12-18 捷通智慧科技股份有限公司 A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit
CN109289423A (en) * 2018-11-14 2019-02-01 苏州安瑞可信息科技有限公司 A kind of data center

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010011692A (en) * 1999-07-26 2001-02-15 이현숙 Condenser
CN201973823U (en) * 2011-02-22 2011-09-14 浙江佳为环境科技有限公司 Direct evaporation moving type air cooler
CN202024427U (en) * 2011-02-22 2011-11-02 浙江佳为环境科技有限公司 Cooling dedusting direct evaporative air cooler
CN107355917A (en) * 2014-04-08 2017-11-17 上海诺佛尔生态科技股份有限公司 A kind of secondary recuperation of heat Fresh air handing device of central air conditioner system
CN203980496U (en) * 2014-08-19 2014-12-03 靖江市通瑜空调设备有限公司 A kind of energy-saving electronic cloth air-conditioning
CN108954742A (en) * 2014-08-20 2018-12-07 上海诺佛尔生态科技有限公司 The Fresh air handing device of the central air conditioner system of efficiency of energy utilization can be improved
CN107869808A (en) * 2016-09-23 2018-04-03 青岛海尔智能技术研发有限公司 Heat reclamation type embrane method solution air-conditioning
CN106679132A (en) * 2017-01-23 2017-05-17 四川省建筑科学研究院 Heat recovering fresh air machine
CN107036192A (en) * 2017-04-20 2017-08-11 东莞理工学院 A kind of high-efficiency negative-pressure film dehumidifier and efficient dehumidification system
CN207599911U (en) * 2017-11-24 2018-07-10 依米康科技集团股份有限公司 A kind of modularization air-conditioner set
CN208253826U (en) * 2018-03-09 2018-12-18 捷通智慧科技股份有限公司 A kind of indirect natural cooling of fresh air and mechanical refrigeration combined unit
CN208124525U (en) * 2018-03-22 2018-11-20 新疆新特空调节能技术有限公司 It is a kind of to evaporate the cooling device for producing cold wind using efficiently how stupefied pipe
CN108548352A (en) * 2018-04-20 2018-09-18 依米康科技集团股份有限公司 A kind of computer-room air conditioning system and its control method
CN108954617A (en) * 2018-08-07 2018-12-07 郑州云海信息技术有限公司 A kind of multisystem refrigeration air-conditioning unit
CN109289423A (en) * 2018-11-14 2019-02-01 苏州安瑞可信息科技有限公司 A kind of data center

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