CN102095320A - Multi-channel plate-fin type dew point indirect evaporative cooling device - Google Patents

Multi-channel plate-fin type dew point indirect evaporative cooling device Download PDF

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Publication number
CN102095320A
CN102095320A CN 201110029347 CN201110029347A CN102095320A CN 102095320 A CN102095320 A CN 102095320A CN 201110029347 CN201110029347 CN 201110029347 CN 201110029347 A CN201110029347 A CN 201110029347A CN 102095320 A CN102095320 A CN 102095320A
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China
Prior art keywords
dew point
fin
heat exchanger
cooling
indirect evaporation
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CN 201110029347
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CN102095320B (en
Inventor
张宜万
余国海
漆林宝
翟颖萍
边晓伟
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Wuxi Jinlong Petrochemical & Metallurgical Equipment Co., Ltd.
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张宜万
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Abstract

The invention relates to a multi-channel plate-fin type dew point indirect evaporative cooling device, which comprises a shell, wherein a water tank is arranged on the lower part of the shell; a heat exchanger and a spray device are arranged between the two side walls of the shell above the water tank; a circulating water pump is connected with the water tank and the spray device through water pipes; an induced draft fan is arranged on the side wall of the shell below the heat exchanger and the spray device; the inner side of the induced draft fan is provided with a demister; and an air inlet is formed on the lateral wall of the shell opposite to the induced draft fan above the heat exchanger and the spray device and is provided with a shutter and a flow guide assembly. The device is characterized in that: the heat exchanger is a multi-channel plate-fin type dew point indirect evaporative cooling heat exchanger. In the device, the multi-channel plate-fin type dew point indirect evaporative cooling heat exchanger is used instead of a dual-channel indirect evaporative cooling heat exchanger, so that heat exchange efficiency is improved; and natural refrigeration is utilized to directly cool a process thermal medium to the air dew point temperature, so that energy consumption is reduced and the aims of energy conservation and emission reduction are achieved.

Description

Multichannel plate-fin dew point apparatus for cooling by indirect evaporation
Technical field
The present invention relates to a kind of aerial cooler that is used to cool off various process heat media, especially relate to a kind of multichannel plate-fin dew point apparatus for cooling by indirect evaporation.
Background technology
The air-cooling apparatus that is used to cool off various process heat media in the prior art adopts the vaporation-type air-cooling apparatus morely, the indirect evaporation cooling heat exchanger that it adopted adopts the structure of humid air and two passages of thermal medium, heat exchange efficiency is lower, limited to the amplitude that the process heat medium cools, the process heat medium that is cooled directly can't be cooled to the air dew point temperature.
Summary of the invention
The applicant is at above-mentioned problem, having carried out research improves, a kind of multichannel plate-fin dew point apparatus for cooling by indirect evaporation is provided, utilize multichannel plate-fin dew point indirect evaporation cooling heat exchanger to substitute the indirect evaporative cooling heat exchanger of two passages, improve heat exchange efficiency, the process heat medium directly is cooled to the air dew point temperature, reduces energy resource consumption, reach the purpose of energy-saving and emission-reduction.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of multichannel plate-fin dew point apparatus for cooling by indirect evaporation, comprise casing, the casing bottom is provided with water tank, heat exchanger and spray equipment are installed between two sidewalls of the casing above the water tank, water circulating pump connects water tank and spray equipment by water pipe, air-introduced machine is installed on the chassis sidewall of heat exchanger and spray equipment below, the inboard of air-introduced machine is provided with demister, air inlet is arranged on the chassis sidewall relative with air-introduced machine in the top of heat exchanger and spray equipment, the air inlet place is provided with shutter and guiding subassembly, and described heat exchanger is a multichannel plate-fin dew point indirect evaporation cooling heat exchanger.
Further:
Described multichannel plate-fin dew point indirect evaporation cooling heat exchanger comprises support and dew point heat exchange movement, in turn in abutting connection with constituting, each heat exchange unit is separated by dividing plate and humid air passage, hot media channel, humid air passage and the dry air passage of adjacency constitute in turn by several heat exchange units for described dew point heat exchange movement; Be provided with one deck level course plate at least in the described hot media channel, the end socket at horizontal laminate and dew point heat exchange movement two ends constitutes the runner that comes and goes baffling, and the orlop runner connects the medium inlet joint, and the superiors' runner connects the media outlet pipe joint; Be provided with the fin of vertical direction in the described humid air passage; The dividing plate of described dry air passage both sides is provided with the aperture that several are communicated with described humid air passage, and the both sides of described dew point heat exchange movement bottom are provided with the dry air inlet connector tube, and dry air passage connects the dry air inlet connector tube.
Be provided with the serrated fin of vertical direction in the described hot media channel.
Be provided with the serrated fin of vertical direction in the described dry air passage.
Described fin is a rippled fin.
Described heat exchanger below is provided with slanting baffle.
Be provided with ball-cock assembly and drainage arrangement in the described water tank.
Described water circulating pump is an immersible pump.
Technique effect of the present invention is:
A kind of multichannel plate-fin dew point apparatus for cooling by indirect evaporation disclosed by the invention, utilize multichannel plate-fin dew point indirect evaporation cooling heat exchanger to substitute the indirect evaporative cooling heat exchanger of two passages, improve heat exchange efficiency, utilize the nature refrigeration that the process heat medium directly is cooled to the air dew point temperature, reduce energy resource consumption, reach the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 A is the front view (humid air stream is to signal) of multichannel plate-fin dew point indirect evaporation cooling heat exchanger.
Fig. 2 B is Fig. 2 A left view (humid air stream is to signal).
Fig. 2 C is Fig. 2 A upward view (humid air stream is to signal).
Fig. 3 A is the front view (the process heat MEDIA FLOW is to signal) of multichannel plate-fin dew point indirect evaporation cooling heat exchanger.
Fig. 3 B is Fig. 3 A left view (the process heat MEDIA FLOW is to signal).
Fig. 4 A is the front view (flow of dried air is to signal) of multichannel plate-fin dew point indirect evaporation cooling heat exchanger.
Fig. 4 B is Fig. 4 A left view (flow of dried air is to signal).
Fig. 5 is the partial perspective enlarged drawing of dew point heat exchange movement.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the present invention includes casing 13, casing 13 bottoms are provided with water tank 10, multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 and spray equipment 2 are installed between two sidewalls of casing 13 of water tank 10 tops, spray equipment 2 is arranged on the top of multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1, water circulating pump 12 connects water tank 10 and spray equipment 2 by water pipe, and water circulating pump 12 is an immersible pump, and water circulating pump 12 pumps into spray equipment 2 with the water in the water tank 10; Air-introduced machine 8 is installed on the chassis sidewall of multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 and spray equipment 2 belows, the inboard of air-introduced machine 8 is provided with demister 9, air inlet 3 is arranged on the chassis sidewall relative with air-introduced machine 8, air inlet 3 is positioned at the top of multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 and spray equipment 2, air inlet 3 places are provided with shutter 4 and guiding subassembly 5, shutter 4 and guiding subassembly 5 are evenly distributed air intake, and guiding subassembly 5 guiding air intake vertical currents are to multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1; Be provided with ball-cock assembly and drainage arrangement 11 in the water tank 10, be used to control the water surface elevation in the water tank 10, and unnecessary water is discharged.In the present embodiment, multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 below is provided with slanting baffle 6, slanting baffle 6 blocks the inboard the place ahead at air-introduced machine 8, and the spray water that top flows down is entered water tank 10 by slanting baffle 6 resistance shelves, and the minimizing spray water enters demister 9.
As Fig. 1, shown in 2~5, multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 comprises support 101 and dew point heat exchange movement 102, multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 is installed on the casing 13 by support 101, as Fig. 5, dew point heat exchange movement 102 by several heat exchange units 103 in turn in abutting connection with constituting, each heat exchange unit 103 is separated also the humid air path 10 5 of adjacency in turn by dividing plate 104, hot media channel 106, humid air path 10 5 and dry air passage 107 constitute, that is to say, the passage permutation and combination of dew point heat exchange movement 102 is a humid air path 10 5, hot media channel 106, humid air path 10 5, dry air passage 107, humid air path 10 5, hot media channel 106, humid air path 10 5, dry air passage 107 ... the multichannel dew point heat exchange movement 102 of arranging thus and constituting, its hot media channel 106 both sides are humid air path 10 5, and the both sides of dry air passage 107 are similarly humid air path 10 5.Be provided with 2 layers of horizontal laminate 108 in the hot media channel 106, (not drawing in the drawings) sealed with strip of paper used for sealing in the both sides up and down of hot media channel 106, horizontal laminate 108 constitutes the runner (Fig. 3 B) that comes and goes baffling with the end socket 109 at dew point heat exchange movement 102 two ends, the orlop runner connects medium inlet joint 110, the superiors' runner connects media outlet pipe joint 111, at least should be provided with 1 layer of horizontal laminate 108 in the hot media channel 106, quantity is set determines according to actual needs of horizontal laminate 108, in the present embodiment, be provided with the serrated fin 115 of vertical direction in the hot media channel 106, the process heat medium of bottom horizontal flow sheet flows through from the slit of serrated fin 115, and serrated fin 115 can improve the heat exchanger effectiveness of thermal medium in the hot media channel 106.Be provided with the fin 112 of vertical direction in the humid air path 10 5, in the present embodiment, fin 112 is a rippled fin.The dividing plate 104 of dry air passage 107 both sides is provided with several apertures 113 that is communicated with humid air path 10 5, the both sides of dew point heat exchange movement 102 bottoms are provided with dry air inlet connector tube 114(Fig. 4 A, 4B), dry air passage 107 connects dry air inlet connector tube 114, seal by strip of paper used for sealing around the dry air passage 107, dry air enters dry air passage 107 from dry air inlet connector tube 114, and aperture 113 enters humid air path 10 5 from the dry air passage 107 both sides dividing plates 104, in the present embodiment, be provided with the serrated fin 116 of vertical direction in the dry air passage 107, the dry air that enters dry air passage 107 is flowed from the bottom up, and aperture 113 enters humid air path 10 5 from the dry air passage 107 both sides dividing plates 104, and serrated fin 116 improves the heat exchanger effectiveness of dry air in the dry air passage 107.
In actual use, as shown in Figure 1, start air-introduced machine 8, make outside air enter cooling device through guiding subassembly 5 through the shutter 4 at air inlet 3 places, outside air mixes the formation humid air with the spray water of spray equipment 2 ejections, flow through the humid air path 10 5 of multichannel plate-fin dew point indirect evaporation cooling heat exchanger 1 from top to down, as Fig. 2 A, Fig. 2 B, Fig. 2 C, shown in Figure 5, humid air passes through the humid air path 10 5 of dew point heat exchange movement 102 vertically downward by the arrow A direction; As Fig. 1,4A, Fig. 4 B, shown in Figure 5, dry air enters dry air inlet connector tube 114 by the arrow C direction, flow from the bottom up between the serrated fin 116 in dry air passage 107, and aperture 113 enters humid air path 10 5 from the dry air passage 107 both sides dividing plates 104, and dry air mixes with humid air in humid air path 10 5 and flows from top to bottom with humid air.As Fig. 1,3A, Fig. 3 B, shown in Figure 5, need the process heat medium of cooling to enter hot media channel 106 through medium inlet joint 110 by the arrow B direction, process heat medium along continuous straight runs is successively upwards flowed through and is come and gone the runner of baffling, the process heat medium progressively is cooled in flow process, and the processing medium that is cooled to air dew point flows out from media outlet pipe joint 111.The process heat medium is turned back in hot media channel 106 in the process of flowing, the process heat medium level flows and laterally to skim over humid air path 10 5 from top to down more than twice or twice and be cooled, simultaneously extraneous cold dry air enter dry air passage 107 and from go up down with humid air path 10 5 humid air become the adverse current state and be cooled, in the dry air passage 107 gradually by etc. the cold dry air of wet cooling constantly enter adjacent humid air path 10 5 through the aperture on the both sides dividing plate 104 113, make the continuous humidification of humid air in the humid air path 10 5, saturated, heat up, and then make process heat medium in the adjacent hot media channel 106 be cooled to air dew point temperature gradually near there and then; Spray water through humid air path 10 5 after, stopped by the slanting baffle 6 of below and enter water tank 10 that the damp-heat air that has sucked latent heat and sensible heat is then discharged by air-introduced machine 8.
Multichannel plate-fin dew point apparatus for cooling by indirect evaporation of the present invention utilizes the nature refrigeration, but environmental protection and make water at low temperature (or other cryogenic liquid media) energy-conservationly, can be used in numerous industrial circles, and can be used for air handling system, to reducing energy resource consumption, realize that the target of energy-saving and emission-reduction is significant.

Claims (8)

1. multichannel plate-fin dew point apparatus for cooling by indirect evaporation, comprise casing, the casing bottom is provided with water tank, heat exchanger and spray equipment are installed between two sidewalls of the casing above the water tank, water circulating pump connects water tank and spray equipment by water pipe, air-introduced machine is installed on the chassis sidewall of heat exchanger and spray equipment below, the inboard of air-introduced machine is provided with demister, air inlet is arranged on the chassis sidewall relative with air-introduced machine in the top of heat exchanger and spray equipment, the air inlet place is provided with shutter and guiding subassembly, it is characterized in that: described heat exchanger is a multichannel plate-fin dew point indirect evaporation cooling heat exchanger.
2. according to the described multichannel plate-fin dew point of claim 1 apparatus for cooling by indirect evaporation, it is characterized in that: described multichannel plate-fin dew point indirect evaporation cooling heat exchanger comprises support and dew point heat exchange movement, in turn in abutting connection with constituting, each heat exchange unit is separated by dividing plate and humid air passage, hot media channel, humid air passage and the dry air passage of adjacency constitute in turn by several heat exchange units for described dew point heat exchange movement; Be provided with one deck level course plate at least in the described hot media channel, the end socket at horizontal laminate and dew point heat exchange movement two ends constitutes the runner that comes and goes baffling, and the orlop runner connects the medium inlet joint, and the superiors' runner connects the media outlet pipe joint; Be provided with the fin of vertical direction in the described humid air passage; The dividing plate of described dry air passage both sides is provided with the aperture that several are communicated with described humid air passage, and the both sides of described dew point heat exchange movement bottom are provided with the dry air inlet connector tube, and dry air passage connects the dry air inlet connector tube.
3. according to the described multichannel plate-fin dew point of claim 2 apparatus for cooling by indirect evaporation, it is characterized in that: the serrated fin that is provided with vertical direction in the described hot media channel.
4. according to the described multichannel plate-fin dew point of claim 2 apparatus for cooling by indirect evaporation, it is characterized in that: the serrated fin that is provided with vertical direction in the described dry air passage.
5. according to the described multichannel plate-fin dew point of claim 2 apparatus for cooling by indirect evaporation, it is characterized in that: described fin is a rippled fin.
6. according to the described multichannel plate-fin dew point of claim 1 apparatus for cooling by indirect evaporation, it is characterized in that: described heat exchanger below is provided with slanting baffle.
7. according to the described multichannel plate-fin dew point of claim 1 apparatus for cooling by indirect evaporation, it is characterized in that: be provided with ball-cock assembly and drainage arrangement in the described water tank.
8. according to the described multichannel plate-fin dew point of claim 1 apparatus for cooling by indirect evaporation, it is characterized in that: described water circulating pump is an immersible pump.
CN 201110029347 2011-01-27 2011-01-27 Multi-channel plate-fin type dew point indirect evaporative cooling device Expired - Fee Related CN102095320B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307677A (en) * 2013-06-14 2013-09-18 无锡金龙石化冶金设备制造有限公司 Novel air conditioner dehumidification unit
CN106440145A (en) * 2016-11-07 2017-02-22 祝大顺 Tri-channel closed type indirect evaporating and cooling water chilling unit
CN114176444A (en) * 2021-12-10 2022-03-15 维达纸业(浙江)有限公司 Production process and production equipment of toilet roll paper
CN114688900A (en) * 2022-03-04 2022-07-01 杭州制氧机集团股份有限公司 Multi-module combined plate-fin heat exchanger

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CN2722172Y (en) * 2004-08-18 2005-08-31 张宜万 Spray falling-film evaporating air cooler
CN1668879A (en) * 2002-04-26 2005-09-14 奥克斯赛尔控股公司 Dewpoint cooler
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JP2008304082A (en) * 2007-06-05 2008-12-18 Daikin Ind Ltd Absorption type refrigerating device
CN100557360C (en) * 2001-12-12 2009-11-04 埃达雷克斯技术公司 The method and the panel assembly that are used for dew point evaporative cooler
CN201476630U (en) * 2009-06-13 2010-05-19 张宜万 Spray falling-film evaporation type air cooler and combined structure thereof
CN201926374U (en) * 2010-12-08 2011-08-10 张雄伟 Knife seizer

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US3659623A (en) * 1969-12-02 1972-05-02 Baltimore Aircoil Co Inc Water supply system
EP0130745A2 (en) * 1983-06-21 1985-01-09 Glitsch, Inc. Expanded metal packing and method of manufacture
FR2713323B1 (en) * 1993-12-01 1996-03-01 Sts Atmospheric air coolers with runoff.
CN2233557Y (en) * 1996-01-19 1996-08-21 马军 Surface evaporative air cooler
CN100557360C (en) * 2001-12-12 2009-11-04 埃达雷克斯技术公司 The method and the panel assembly that are used for dew point evaporative cooler
CN1668879A (en) * 2002-04-26 2005-09-14 奥克斯赛尔控股公司 Dewpoint cooler
CN2722172Y (en) * 2004-08-18 2005-08-31 张宜万 Spray falling-film evaporating air cooler
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CN201926374U (en) * 2010-12-08 2011-08-10 张雄伟 Knife seizer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307677A (en) * 2013-06-14 2013-09-18 无锡金龙石化冶金设备制造有限公司 Novel air conditioner dehumidification unit
CN103307677B (en) * 2013-06-14 2015-10-21 无锡金龙石化冶金设备制造有限公司 A kind of air-conditioning dehumidification unit
CN106440145A (en) * 2016-11-07 2017-02-22 祝大顺 Tri-channel closed type indirect evaporating and cooling water chilling unit
CN114176444A (en) * 2021-12-10 2022-03-15 维达纸业(浙江)有限公司 Production process and production equipment of toilet roll paper
CN114688900A (en) * 2022-03-04 2022-07-01 杭州制氧机集团股份有限公司 Multi-module combined plate-fin heat exchanger
CN114688900B (en) * 2022-03-04 2024-02-20 杭氧集团股份有限公司 Multi-module combined plate-fin heat exchanger

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