CN103925750A - Novel evaporative condenser - Google Patents

Novel evaporative condenser Download PDF

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Publication number
CN103925750A
CN103925750A CN201410186092.7A CN201410186092A CN103925750A CN 103925750 A CN103925750 A CN 103925750A CN 201410186092 A CN201410186092 A CN 201410186092A CN 103925750 A CN103925750 A CN 103925750A
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CN
China
Prior art keywords
water
heat exchanger
middle flat
spray
flat tube
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
CN201410186092.7A
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Chinese (zh)
Inventor
祝长宇
丁式平
何慧丽
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.)
Beijing Deneng Hengxin Technology Co Ltd
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Beijing Deneng Hengxin 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 Beijing Deneng Hengxin Technology Co Ltd filed Critical Beijing Deneng Hengxin Technology Co Ltd
Priority to CN201410186092.7A priority Critical patent/CN103925750A/en
Publication of CN103925750A publication Critical patent/CN103925750A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a novel evaporative condenser. The novel evaporative condenser is composed of a shell of the condenser, a heat exchanger, a fan, water spraying devices, a water pump, a sump tank, a pipeline and a ball cock. The heat exchanger is a total-aluminum microchannel heat exchanger. One water spraying device is arranged between the side faces of every two adjacent middle flat pipes of the heat exchanger. The water pump is connected between the sump tank and the water spraying devices to convey cooling water inside the sump tank to the water spraying devices through the pipeline. The water spraying devices spray water to the side faces of the middle flat pipes on the two sides respectively, and sprayed water flows to the bottoms of the middle flat pipes from the tops of the middle flat pipes along the side faces of the middle flat pipes. The fan drives external air to enter channels on the water spraying side of the middle flat pipes of the heat exchanger, and therefore air and water can conduct heat exchange with refrigerant in the middle flat pipes of the heat exchanger at the same time. The novel evaporative condenser has the advantages of being high in heat transfer efficiency, low in cost, small in wind resistance on the windward side, easy to manufacture and convenient to clean.

Description

A kind of Novel evaporative condenser
Technical field
The present invention relates to a kind of condenser, specifically, relate to a kind of Novel evaporative condenser.
Background technology
Along with more prevalentization of Refrigeration Technique application and the shortage of the energy, people are also more and more higher to the energy-conservation requirement of Refrigeration Technique.In refrigerating plant, condenser kind is a lot, mainly contains air-cooled, water-cooled and evaporative condenser; Air cooled condenser exists operational efficiency low, and systematic running cost is higher, bulky and defects such as compressor shortening in service life that higher compression ratios causes.Water cooled condenser operational efficiency is higher, compact conformation, but needs configuration cooling tower and cooling water recirculation system, and water consumption is large and need increase water treatment expense.Evaporative condenser is a kind of compact heat transmission equipment that has merged air-cooled, water-cooled and cooling tower, mainly relies on the evaporation of moisture to make condensation of refrigerant heat radiation, and operational efficiency is the highest.Evaporative condenser has been got rid of the water treatment problems that in water cooled system, the problem of water pump produces with a large amount of waters; Compare with the air cooled condenser with equal refrigerating capacity and cost, their power of fan is much smaller.The most important thing is, adopt refrigeration, the air-conditioning system of evaporative condenser, its condensing pressure can be than traditional water-cooled or air-cooled lower.Like this, the power that compressor consumes just reduces.
The current main heat exchanger components of evaporating type condensing device mostly is coiled, heat exchange efficiency is poor, Whole Equipment volume also larger weight is also larger, in heat exchange coil, need cooling medium charging amount also many, during quantity of circulating water Datong District the loss of water also large, air mass flow is also large, system power dissipation is large, cannot mechanical cleaning after the easy scale effect heat exchange of heat exchange coil outer surface and fouling, cannot realize the aspects such as miniaturization, more and more can not meet modern client's user demand.
Summary of the invention
Object of the present invention is exactly in order to overcome the above problems, and provide a kind of Novel evaporative condenser, adopt finless full aluminium micro-channel heat exchanger, significantly reduce the weight of heat exchanger, when guaranteeing identical heat exchange amount, can significantly reduce the volume of heat exchanger, significantly reduce the charging amount of refrigeration working medium in heat exchanger simultaneously, simultaneously also can mechanical cleaning.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A Novel evaporative condenser, is comprised of housing, heat exchanger, blower fan, spray water system, water pump, water leg, pipeline and the ball-cock assembly of condenser; It is characterized in that, described heat exchanger is full aluminium micro-channel heat exchanger, comprises discharge, collector tube, the middle flat tube between discharge and collector tube, medium inlet and five parts of media outlet; The lateral width of the middle flat tube of described heat exchanger is wider than frontal width, and is all provided with a spray water system between the side of every adjacent two middle flat tubes; Described spray water system is positioned at the bottom of the discharge of heat exchanger; Described spray water system is respectively to the side water spray of flat tube in the middle of described in both sides, the water that makes spray along the side of middle flat tube from flat tube overhead stream in the middle of described to bottom; Described blower fan is positioned at the air outlet of the housing of described condenser, and described blower fan drives extraneous air to enter the water spray wing passage of the middle flat tube of heat exchanger, and so empty G&W while is carried out heat exchange with the cold-producing medium in the middle flat tube of heat exchanger; Described water leg is positioned at the bottom of described heat exchanger; Described water pump is connected between water leg and spray water system, by the water of water leg inside by Pipeline transport to spray water system.
In the above water leg, be provided with ball-cock assembly; Described ball-cock assembly is controlled the water level in described water leg.
The present invention compared with prior art, has the following advantages: 1, the whole heat exchangers of Novel evaporative condenser of the present invention do not exist lee face, and heat exchange area has obtained fully effectively utilizing, compact equipment, and volume is little; 2, the parallel air stream skimming over can touch the side surface of the middle flat tube of heat exchanger in all directions, almost there is no dead angle, the side surface of the middle flat tube of heat exchanger can be covered with water membrane uniformly, so empty G&W while is carried out heat exchange with the cold-producing medium in the middle flat tube of heat exchanger, evaporative cooling effect has obtained larger improvement, has greatly improved the heat transfer efficiency of heat-transfer pipe; 3, full aluminium is without the design of fin microchannel, and the gap between the flat tube in the middle of heat exchanger is as airflow path, and easy hard hair brush can touch any surface of heat exchanger easily, safeguards, clean maintenance is more convenient, with low cost; 4, Novel evaporative condenser of the present invention, by the combination of full aluminium micro-channel heat exchanger and spray system, the in the situation that of equal working condition and heat transfer effect, only require 50% front face area of the air cooled condenser that is approximately same size, the working medium charging amount of heat exchanger domestic demand condensation cooling reduces more than 45%, and the overall weight of equipment reduces 30%; Can reduce the systemic circulation water yield and air mass flow, thereby reduce the power of water pump and blower fan, realize lower energy consumption simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of Novel evaporative condenser of the present invention.
In figure: (1) heat exchanger; (11) discharge; (12) collector tube; (13) flat tube in the middle of; (14) medium inlet; (15) media outlet; (2) housing of condenser; (3) blower fan; (4) spray water system; (5) water pump; (6) water leg; (7) pipeline; (8) ball-cock assembly.
the specific embodiment
As shown in Figure 1, below in conjunction with accompanying drawing, the invention will be further described for this embodiment simple structure schematic diagram.The system and device agent structure relating to when the present invention realizes is comprised of heat exchanger (1), discharge (11), collector tube (12), the housing (2), blower fan (3), spray water system (4), water pump (5), water leg (6), pipeline (7) and the ball-cock assembly (8) that are positioned at middle flat tube (13) between discharge (11) and collector tube (12), medium inlet (14), media outlet (15), condenser.Implementation process of the present invention is as follows: refrigerant vapour from the medium inlet (14) of heat exchanger through the middle flat tube (13) of discharge (11) inflow heat exchanger, and carry out heat exchange with the middle spray of spray water system (4) cold water out, the condensed cold-producing medium of heat release comes together in the collector tube (12) of heat exchanger, by the media outlet (15) of heat exchanger, discharges.The spray water system (4) that recirculated water in water leg (6) is delivered to heat exchanger discharge (11) bottom by water pump (5) by pipeline (7) forms spray, cold water out of spray is because gravity and surface tension effects form uniform moisture film in the side surface of the middle flat tube (13) of heat exchanger, moisture film is absorption refrigeration agent steam-condensation liberated heat on the one hand, the air that sucks again heat exchanger from outside with blower fan on the one hand carries out evaporation and heat-exchange, the moisture of evaporation enters atmosphere with air, and the moisture not evaporating falls into water leg (6) and circulates next time.

Claims (2)

1. a Novel evaporative condenser, is comprised of housing (2), heat exchanger (1), blower fan (3), spray water system (4), water pump (5), water leg (6), pipeline (7) and the ball-cock assembly (8) of condenser; It is characterized in that, described heat exchanger (1) is full aluminium micro-channel heat exchanger, comprises discharge (11), collector tube (12), is positioned at middle flat tube (13), medium inlet (14) and (15) five parts of media outlet between discharge (11) and collector tube (12); The lateral width of the middle flat tube (13) of described heat exchanger (1) is wider than frontal width, and is all provided with a spray water system (4) between the side of every adjacent two middle flat tubes (13); Described spray water system (4) is positioned at the bottom of the discharge (11) of heat exchanger (1); Described spray water system (4) is respectively to the side water spray of flat tube (13) in the middle of described in both sides, the water that makes spray along the side of middle flat tube (13) from flat tube (13) overhead stream in the middle of described to bottom; Described blower fan (3) is positioned at the air outlet of the housing (2) of described condenser, described blower fan (3) drives extraneous air to enter the water spray wing passage of the middle flat tube of heat exchanger (1) (13), and so empty G&W while is carried out heat exchange with the cold-producing medium in the middle flat tube of heat exchanger; Described water leg (6) is positioned at the bottom of described heat exchanger (1); Described water pump (5) is connected between water leg (6) and spray water system (4), and the water that water leg (6) is inner flows to spray water system (4) by pipeline (7).
2. a kind of Novel evaporative condenser according to claim 1, is characterized in that, is provided with ball-cock assembly (8) in described water leg (6); Described ball-cock assembly (8) is controlled the water level in described water leg (6).
CN201410186092.7A 2014-05-06 2014-05-06 Novel evaporative condenser Pending CN103925750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410186092.7A CN103925750A (en) 2014-05-06 2014-05-06 Novel evaporative condenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410186092.7A CN103925750A (en) 2014-05-06 2014-05-06 Novel evaporative condenser

Publications (1)

Publication Number Publication Date
CN103925750A true CN103925750A (en) 2014-07-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105344121A (en) * 2015-12-14 2016-02-24 贵州师范学院 Evaporative condenser
CN105413206A (en) * 2015-12-14 2016-03-23 贵州师范学院 Evaporative condenser
CN106524596A (en) * 2016-12-28 2017-03-22 江苏康泰热交换设备工程有限公司 Evaporative condensation method and device for air conditioning evaporator
CN111572821A (en) * 2020-05-08 2020-08-25 清华大学 Thermal protection wall plate, plate-shaped thermal protection system and annular thermal protection system
CN112013573A (en) * 2020-08-21 2020-12-01 天津大学 In-pipe seepage evaporation type condensing device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148644A (en) * 2013-03-22 2013-06-12 郭永 Micro-channel falling film evaporation type condenser
CN103175324A (en) * 2013-02-25 2013-06-26 华南理工大学 Concurrent flow evaporative type condensation refrigerating unit with heat recovery
CN203798034U (en) * 2014-05-06 2014-08-27 北京德能恒信科技有限公司 Evaporative condenser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175324A (en) * 2013-02-25 2013-06-26 华南理工大学 Concurrent flow evaporative type condensation refrigerating unit with heat recovery
CN103148644A (en) * 2013-03-22 2013-06-12 郭永 Micro-channel falling film evaporation type condenser
CN203798034U (en) * 2014-05-06 2014-08-27 北京德能恒信科技有限公司 Evaporative condenser

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105344121A (en) * 2015-12-14 2016-02-24 贵州师范学院 Evaporative condenser
CN105413206A (en) * 2015-12-14 2016-03-23 贵州师范学院 Evaporative condenser
CN106524596A (en) * 2016-12-28 2017-03-22 江苏康泰热交换设备工程有限公司 Evaporative condensation method and device for air conditioning evaporator
CN111572821A (en) * 2020-05-08 2020-08-25 清华大学 Thermal protection wall plate, plate-shaped thermal protection system and annular thermal protection system
CN112013573A (en) * 2020-08-21 2020-12-01 天津大学 In-pipe seepage evaporation type condensing device

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Applicant after: Beijing Science and Technology Co., Ltd. Germany To Hanson

Address before: 100094 Beijing, Badachu hi tech park, West Wells Road, building 9415, room 3, No., room 3

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Application publication date: 20140716