CN101650141B - Core body of flat-plate heat exchanger for fresh air ventilator - Google Patents

Core body of flat-plate heat exchanger for fresh air ventilator Download PDF

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Publication number
CN101650141B
CN101650141B CN2009103065153A CN200910306515A CN101650141B CN 101650141 B CN101650141 B CN 101650141B CN 2009103065153 A CN2009103065153 A CN 2009103065153A CN 200910306515 A CN200910306515 A CN 200910306515A CN 101650141 B CN101650141 B CN 101650141B
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heat exchange
exchange diaphragm
sealing
strip
paper
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CN2009103065153A
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CN101650141A (en
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朱丽
王一平
黄群武
王启
卢艳华
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Tianjin University
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Tianjin University
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Abstract

The present invention discloses a core body of a flat-plate heat exchanger for a fresh air ventilator, which comprises quadrangular plastic heat exchanging membranes, a top plate in the same shape as that of the plastic heat exchanging membranes, a bottom plate and sealing strips. The upper surfaces on the near edges of two opposite edges of the plastic heat exchanging membranes with odd number are fixedly connected with the lower surfaces on the near edges of two opposite edges of the plastic heat exchanging membranes with even number through the sealing strips to form first airflow channels, the upper surface on the near edges of another two opposite edges of the plastic heat exchanging membranes with even number are fixedly connected with the lower surfaces on the near edges of two opposite edges of the other plastic heat exchanging membranes with odd number through the sealing strips to form second airflow channels crisscrossed with the adjacent first airflow channels, the top plate is fixedly connected with the uppermost plastic heat exchanging membranes through the sealing strips, and the bottom plate is fixedly connected with the lowermost plastic heat exchanging membranes through the sealing strip. The present invention has the advantages of favorable heat transfer performance, high heat exchanging efficiency, low weight and cost, simple structure, low production and running cost, convenient installation and easy integration with constructions.

Description

Core body of flat-plate heat exchanger for fresh air ventilator
Technical field
The present invention relates to a kind of heat exchanger core body, particularly a kind of core body of flat-plate heat exchanger for fresh air ventilator.
Technical background
Quickening along with social modernization's process; People are more and more longer in the time of office work and life, and indoor air quality more has absolute sense to the health of human body, obtains people's common concern; Especially experienced after the SARS, people are increasingly high to the quality requirements of room air.In the air conditioner load of building, the new wind load proportion increases year by year, and abroad, new wind load generally accounts for 20~30% of building air conditioning total load.A large amount of heat (cold) amounts is discharged in the atmosphere from the air of indoor discharge simultaneously, not only causes thermal pollution to urban air, has also wasted a large amount of energy simultaneously.Fresh air heat exchanger has adopted heat-exchange device, realizing the two-way ventilation of indoor and outdoor, when improving indoor air quality, can reduce indoor cold and hot loss again, reduces the capacity of Cooling and Heat Source equipment and the energy consumption of operation of air conditioner, reaches purpose of energy saving.
The fresh air ventilator that existing market the occurs plate-fin cross-flow heat exchangers that contain dividing plate that adopt more; Because the existence of dividing plate makes heat exchanger plates directly not contact; Though take multiple corrective measure; But still exist heat exchange efficiency low, cross pollution, cost be high, safeguard problems such as difficult, that volume weight is big, thereby limited popularizing of fresh air ventilator.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of heat exchange efficiency high, do not exist cross pollution, volume little, in light weight, the core body of flat-plate heat exchanger for fresh air ventilator that cost is low.
Technical scheme of the present invention is summarized as follows:
A kind of core body of flat-plate heat exchanger for fresh air ventilator; Comprise tetragonal plastics heat exchange diaphragm, the top board identical with said plastics heat exchange diaphragm shapes, with identical base plate and the strip of paper used for sealing of said plastics heat exchange diaphragm shapes; Upper surface at two relative edges' of odd number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of even number plastics heat exchange diaphragm near side (ns) place; Constitute first gas channel; The upper surface at the two other relative edge's of said even number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of another odd number plastics heat exchange diaphragm near side (ns) place; Constitute and the adjacent second interlaced gas channel of first gas channel; Said top board is fixedly connected with uppermost plastics heat exchange diaphragm through strip of paper used for sealing, and said base plate is fixedly connected with nethermost plastics heat exchange diaphragm through strip of paper used for sealing.
A kind of core body of flat-plate heat exchanger for fresh air ventilator also comprises bracing means, and said bracing means is arranged on the outer surface at two adjacent formed angles, limit of plastics heat exchange diaphragm.
Said plastics heat exchange diaphragm thickness is 0.01-1.0mm, is preferably 0.01-0.5mm, preferably 0.10-0.20mm.
The material of said plastics heat exchange diaphragm is polyethylene, polypropylene, polyvinyl chloride, polybutene, PBT, PET or Merlon.
Said strip of paper used for sealing height is 1-10mm.
Can also be provided with drain groove on the said strip of paper used for sealing.
Advantage of the present invention is:
1 adopts plastics heat exchange diaphragm to replace metal material of the prior art, when air communication is crossed the heat exchange diaphragm, can cause the vibration of heat exchange diaphragm; Destroy near the viscous flow bottom of fluid near wall, realize the fluid low-speed turbulent, need not consume the energy that adds; Just can realize higher heat transfer performance; Heat exchange efficiency is up to 65%-90%, and ASHRAE points out that the heat exchange efficiency of cross-flow gas gas-heat exchanger is generally 50%-70%, compares heat exchange efficiency with traditional heat exchangers and significantly improves.When the diaphragm vibration improves convection transfer rate, can remove the heating surface dirt, reduce dirtiness resistance, realize compound intensified heat-transfer.
Non-finned, slotting thing and supporting construction in the 2 heat exchanger core body passages of the present invention, resistance pressure drop is less, is merely 5-40Pa.
3 adopt plastic film material to replace traditional metal material, reduce the weight and the cost of heat exchanger greatly.
4 is simple in structure, and the production run cost is low, and is easy for installation, is easy to and builds and realize integrated, the occupying volume external space not.
Description of drawings
Fig. 1 is a core body of flat-plate heat exchanger for fresh air ventilator structural representation of the present invention.
Fig. 2 is that plastics heat exchange diaphragm is connected sketch map with strip of paper used for sealing.
Fig. 3 is the core body of flat-plate heat exchanger for fresh air ventilator structural representation that is provided with bracing means.
Fig. 4 is the strip of paper used for sealing structural representation that is provided with drain groove.
Fig. 5 is the flow through air current composition form sketch map of heat exchanger of fresh air ventilator air.
The explanation of critical piece and details is following in the Figure of description of the present invention: 1 top board; 2 plastics heat exchange diaphragms; 3 strip of paper used for sealings; The height of h strip of paper used for sealing; 4 base plates; 5 bracing means; 6 drain groove; The a heat exchanger core body; The b-1 fresh inlet; B-2 air draft import; The new wind outlet of b-3; The b-4 wind exhausting outlet; The c blower fan
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further explained:
A kind of core body of flat-plate heat exchanger for fresh air ventilator; Comprise tetragonal plastics heat exchange diaphragm 2, the top board 1 identical, base plate 4 and the strip of paper used for sealing 3 identical with said plastics heat exchange diaphragm shapes with said plastics heat exchange diaphragm shapes; Upper surface at two relative edges' of odd number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of even number plastics heat exchange diaphragm near side (ns) place; Constitute first gas channel; The upper surface at the two other relative edge's of said even number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of another odd number plastics heat exchange diaphragm near side (ns) place; Constitute and the adjacent second interlaced gas channel of first gas channel; Said top board is fixedly connected with uppermost plastics heat exchange diaphragm through strip of paper used for sealing, and said base plate is fixedly connected (seeing Fig. 1, Fig. 2) through strip of paper used for sealing with nethermost plastics heat exchange diaphragm.
Described quadrangle can be rectangle, square or rhombus, preferably square.
A kind of core body of flat-plate heat exchanger for fresh air ventilator also comprises bracing means 5, and bracing means can be selected angle bar for use, and bracing means is arranged on the outer surface at two adjacent formed angles, limit of plastics heat exchange diaphragm.(see figure 3)
Plastics heat exchange diaphragm thickness can be elected 0.01mm, 0.05mm, 0.10mm, 0.20mm, 0.50mm or 1.0mm as, preferably selects 0.10mm or 0.20mm.
The material of plastics heat exchange diaphragm is polyethylene, polypropylene, polyvinyl chloride, polybutene, PBT, PET or Merlon.
Strip of paper used for sealing height h can select between 1-10mm, comprises 1mm and 10mm.
Can also be provided with drain groove 6 on the strip of paper used for sealing.
Make several unit blocks earlier when making a kind of core body of flat-plate heat exchanger for fresh air ventilator of the present invention, as shown in Figure 2.Each unit block is by a plastics heat exchange diaphragm and two bonding forming of strip of paper used for sealing; The interlaced stacked fixed connection of per two unit blocks makes adjacent gas channel interlaced, and two gas channels can be called new wind passage and air exhaust passage respectively; The quantity of its unit block is decided by the spatial placement situation of heat exchanger core body; Then top board is fixedly connected with uppermost plastics heat exchange diaphragm through strip of paper used for sealing, base plate is fixedly connected with nethermost plastics heat exchange diaphragm through strip of paper used for sealing, it is whole that it is formed; Set up into a kind of core body of flat-plate heat exchanger for fresh air ventilator; As shown in Figure 1, also can be two of plastics heat exchange diaphragm the outer surface at adjacent formed angle, limit bracing means is set, set up into a kind of core body of flat-plate heat exchanger for fresh air ventilator.
During enforcement the present invention is placed in the fresh air ventilator, as shown in Figure 5, outdoor new wind and indoor exhaust wind get into heat exchanger core body a by fresh inlet b-1 and air draft import b-2 respectively under the effect of blower fan c; Under the effect of the temperature difference, in heat exchanger core body, realize heat exchange; Then by new wind outlet b-3 and wind exhausting outlet b-4 with air scavenge, so just realized the exchange of indoor-outdoor air, in exchange process; Heat obtains reclaiming, and IAQ improves.If when having condensed water to generate in the heat exchanger core body, condensed water can be discharged along the drain groove that is provided with.Under low flow velocity, can realize turbulent flow during this heat exchanger core body of airflow passes, need not consume the energy that adds, just can realize higher heat-transfer effect, heat exchange efficiency can reach 65%-90%.When adopting core body of flat-plate heat exchanger for fresh air ventilator of the present invention; In ventilation, can efficiently solve the contradiction of ventilation and high energy consumption, avoid thermal pollution with most of heat recovery to indoor; Thereby reach energy-conservation, the effect of health and environmental protection.
Replaced expensive metal material with plastic film material at a low price in the technical scheme of the present invention, its cost is 5~10 yuan/m 2, greatly reduce the totle drilling cost of heat exchanger.And plastic film material has good heat-resisting, cold resistance and good chemical-resistant resistance and oil resistivity.
In the technical scheme of the present invention; Between per two plastics heat exchange diaphragms, be provided with strip of paper used for sealing; Strip of paper used for sealing and plastics heat exchange diaphragm seal are formed gas channel; New wind passage of the mutual stacked formation of two adjacent gas channels and air exhaust passage, new wind and air draft have been avoided cross pollution effectively flowing in the passage separately.
Non-finned, slotting thing and supporting construction reduce channel resistance greatly in the gas channel of the present invention.

Claims (2)

1. core body of flat-plate heat exchanger for fresh air ventilator; It is characterized in that comprising tetragonal plastics heat exchange diaphragm, the top board identical with said plastics heat exchange diaphragm shapes, with identical base plate and the strip of paper used for sealing of said plastics heat exchange diaphragm shapes; Upper surface at two relative edges' of odd number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of even number plastics heat exchange diaphragm near side (ns) place; Constitute first gas channel; The upper surface at the two other relative edge's of said even number plastics heat exchange diaphragm near side (ns) place is fixedly connected through the lower surface of said strip of paper used for sealing with two relative edges' of another odd number plastics heat exchange diaphragm near side (ns) place; Constitute and the adjacent second interlaced gas channel of first gas channel; Said top board is fixedly connected with uppermost plastics heat exchange diaphragm through strip of paper used for sealing, and said base plate is fixedly connected with nethermost plastics heat exchange diaphragm through strip of paper used for sealing, and said plastics heat exchange diaphragm thickness is 0.01-1.0mm; The material of said plastics heat exchange diaphragm is polyethylene, polypropylene, polyvinyl chloride, polybutene, PBT, PET or Merlon; Said strip of paper used for sealing height is 1-10mm; Said strip of paper used for sealing is provided with drain groove.
2. a kind of core body of flat-plate heat exchanger for fresh air ventilator according to claim 1 is characterized in that also comprising bracing means, and said bracing means is arranged on the outer surface at two adjacent formed angles, limit of plastics heat exchange diaphragm.
CN2009103065153A 2009-09-03 2009-09-03 Core body of flat-plate heat exchanger for fresh air ventilator Active CN101650141B (en)

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CN101650141B true CN101650141B (en) 2012-06-20

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183168A (en) * 2011-04-21 2011-09-14 无锡马山永红换热器有限公司 Low-cost high-weldability seal
CN102419121A (en) * 2011-12-09 2012-04-18 中国船舶重工集团公司第七�三研究所 Heat exchange unit of heat exchange device
CN102748985A (en) * 2012-07-05 2012-10-24 无锡金洋铝业有限公司 Double-convex structure sealing strip of heat exchanger
CN102748986A (en) * 2012-07-05 2012-10-24 无锡金洋铝业有限公司 Square-hole sealing strip of heat exchanger
CN103175292B (en) * 2013-03-26 2015-05-20 中南大学 Guide plate film type total-heat heat exchange core body for fresh air ventilator
CN105737643A (en) * 2014-12-11 2016-07-06 王云达 Heat exchange device and heat exchanger
CN104713391B (en) * 2014-12-25 2017-02-22 马勒技术投资(中国)有限公司 Water-cooled-type heat exchanger capable of multi-loop heat exchanging
CN104833244B (en) * 2015-05-02 2016-08-10 临安科泰通信科技有限公司 A kind of isolated form air heat energy switch
CN107401789A (en) * 2017-07-17 2017-11-28 芜湖泰领信息科技有限公司 The fresh air modernization system of existing building
EP3473961B1 (en) 2017-10-20 2020-12-02 Api Heat Transfer, Inc. Heat exchanger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354502A (en) * 1970-08-28 1974-06-05 Ici Ltd Heat exchangers
CN2453380Y (en) * 2000-11-10 2001-10-10 邓金荣 Stack-type air heat exchanger
CN1420316A (en) * 2001-11-19 2003-05-28 乐金电子(天津)电器有限公司 Ventilation device
CN1719180A (en) * 2005-05-23 2006-01-11 西安交通大学 Primary surface heat exchanger for fresh air interchanger
CN2791583Y (en) * 2005-04-25 2006-06-28 中达电通股份有限公司 Plate-type heat exchanger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354502A (en) * 1970-08-28 1974-06-05 Ici Ltd Heat exchangers
CN2453380Y (en) * 2000-11-10 2001-10-10 邓金荣 Stack-type air heat exchanger
CN1420316A (en) * 2001-11-19 2003-05-28 乐金电子(天津)电器有限公司 Ventilation device
CN2791583Y (en) * 2005-04-25 2006-06-28 中达电通股份有限公司 Plate-type heat exchanger
CN1719180A (en) * 2005-05-23 2006-01-11 西安交通大学 Primary surface heat exchanger for fresh air interchanger

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开平6-313694A 1994.11.08
JP特开平7-103681A 1995.04.18

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