CN207540095U - A kind of fresh air total-heat exchanger - Google Patents

A kind of fresh air total-heat exchanger Download PDF

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Publication number
CN207540095U
CN207540095U CN201721252456.2U CN201721252456U CN207540095U CN 207540095 U CN207540095 U CN 207540095U CN 201721252456 U CN201721252456 U CN 201721252456U CN 207540095 U CN207540095 U CN 207540095U
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China
Prior art keywords
air
layer
heat
flow layer
fresh air
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Expired - Fee Related
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CN201721252456.2U
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Chinese (zh)
Inventor
郑嘉琦
刘柯
陈鑫
李佩儒
胡泽寰
王新轲
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Xian Jiaotong University
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Xian Jiaotong University
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Abstract

The utility model discloses a kind of fresh air total-heat exchanger, including by forward flow layer and reverse flow layer, alternately laminated set is separated between the body formed and adjacent forward flow layer and reverse flow layer by one layer of heat exchange film of setting successively;The forward flow layer for connecting the heat exchange of the first heat transferring medium is opposite with the air-flow direction in the reverse flow layer for connecting the heat exchange of the second heat transferring medium.The utility model separates the setting forward flow layer of counterflow configuration and reverse flow layer by the film that exchanges heat, and extends heat-exchange time and heat exchange area, improves the heat exchange efficiency in the unit interval, and the effect of heat and mass is necessarily better than common cross flow total-heat exchanger.And the promotion of heat and mass effect, for whole building air-conditioning system, the hot and wet of more air drafts has been recycled in winter, more colds have been recycled in summer and have reduced the humidity load of fresh air to be treated, so whether in winter or summer, reduce the load of entire air-conditioning system, reach energy-efficient effect.

Description

A kind of fresh air total-heat exchanger
Technical field
The utility model is related to the heat reclamation device in air-conditioning system, specially a kind of fresh air total-heat exchanger.
Background technology
In recent years, Atmospheric Particulate Matter has become the great environmental problem faced in Urbanization Process In China.2013, in State is met with from most serious haze weather over 1961, involves 25 provinces, urban pollutant concentration is even higher than 1000 μ g/ m3.Multiple domestic and international research institutions are published in the research estimation in American Academy of Sciences (PNAS), and northern China is due to particle Object, which pollutes, causes northerner's life expectancy more southern low 5.5 years.Because the time that people have more than 87% is spent indoors, in room For outer haze problem in a short time under insurmountable background, the indoor air quality kept is that reply outdoor haze is serious important Measure.It is reduction PM2.5 indoor dirty with other to increase indoor pure air air-supply using the fresh air system with air-treatment function The important means of object concentration is contaminated, is promoted by the fresh air system of Government-Leading and is implemented in urban.This will push fresh air system The further rapid growth of market scale, it is estimated that China's fresh air system market sales revenue will be by 5,000,000,000 in 2014 yuans of increasings Grow to 2019 close to 19,000,000,000 yuans.Wideling popularize for fresh air system will bring the unprecedented soaring of building energy consumption how It is to promote one of the problem of fresh air system must take into consideration that effectively recycling is carried out to the energy in air draft.
At present, Most users due to various reasons still using unidirectional air draft, it is in a organized way or by the way of inorganization air-supply or dry Crisp this is suitable under certain conditions using gravity-flow ventilation, but if processed room is far from outdoor air or can not be into Row indoor and outdoor air exchanges or in view of power conservation requirement, should just use fresh air total-heat exchanger, so not only can be with Solve problem above, moreover it is possible to effectively organize air-flow, recycle thermal energy, achieve the purpose that energy-saving scavenging.
Meanwhile with the raising of people's material life, the requirement to indoor air quality also significantly improves, so timing, Quantitative, high efficiency, organized ventilation are increasingly paid attention to by people, while also become evaluation indoor environment quality One important indicator.Especially in the place of gathering of people, such as restaurant dining room, meeting room, laboratory, hospital, cinema, quotient The ground such as field, gymnasium, school are even more essential.Therefore in following evolution, fresh air total-heat exchanger will be into It is one of standby for must installing for room air processing.
Existing, for total-heat exchanger currently on the market mostly using the heat exchange pattern of distributary, main structure is layer It exchanges heat with the perpendicular cross flow one of air of interlayer, each layer of heat exchanger is played using a large amount of support structure framework.This knot The characteristics of structure is maximum is simple in structure and air port design arrangement is convenient, but since it uses distributary form, and heat-exchange time is shorter, Therefore its heat exchange efficiency is relatively low.In addition, which employs the support construction for being largely not involved in heat exchange, consumable quantity is larger, improves whole The cost of a heat exchanger.
Utility model content
For problems of the prior art, the utility model provides a kind of fresh air total-heat exchanger, simple in structure, if Meter is reasonable, and heat exchange efficiency is high, and consumable quantity is few, at low cost.
The utility model is to be achieved through the following technical solutions:
A kind of fresh air total-heat exchanger, including setting what is formed by forward flow layer and reverse flow layer are alternately laminated successively Separated between body and adjacent forward flow layer and reverse flow layer by one layer of heat exchange film of setting;The first heat exchange of connection is situated between The forward flow layer of matter heat exchange is opposite with the air-flow direction in the reverse flow layer for connecting the heat exchange of the second heat transferring medium.
Preferably, several baffles for being used to form air flow channel are both provided in forward flow layer and reverse flow layer, just Air flow channel into fluidized bed and reverse flow layer is symmetrical arranged, and the entrance setting of balance runner is on the contrary and in balance runner Air-flow direction is opposite.
Further, in forward flow layer and reverse flow layer opposite snakelike of flow direction is formed by several baffles of setting Runner.
Preferably, distribution collecting pipe is further included, forward flow layer and reverse flow layer are both provided with and connect branch wind pipe respectively Air inlet and air outlet;The branch wind pipe of all forward flow layer air inlets and the branch wind pipe of air outlet are in parallel respectively, and warp pair The two distribution collecting pipes answered connect forming circuit with the main air hose of the first heat transferring medium;The branch of all reverse flow layer air inlets The branch wind pipe of air hose and air outlet is in parallel respectively, and the main air hose through corresponding two distribution collecting pipes and the second heat transferring medium connects Logical forming circuit.
Further, the rectangular pipe setting of branch wind pipe, distribution collecting pipe and main air hose.
Further, it is correspondingly arranged on exhaust blower or pressure fan respectively on main air hose.
Preferably, the first heat transferring medium is one kind in indoor exhaust wind and outdoor fresh air, and the second heat transferring medium is indoor row Remaining another kind in wind and outdoor fresh air.
Preferably, the heat exchange film uses carbon nano-tube compound film.
Preferably, forward flow layer and reverse flow layer replace stacked on top of one another or left and right and are stacked the machine to be formed successively Body.
Preferably, the body is set in cube, and forward flow layer is identical with the size of reverse flow layer.
Compared with prior art, the utility model has technique effect beneficial below:
The utility model separates the setting forward flow layer of counterflow configuration and reverse flow layer by the film that exchanges heat, and extends and changes Hot time and heat exchange area improve the heat exchange efficiency in the unit interval, from the analysis of heat transfer theory, the effect of heat and mass Fruit is necessarily better than common cross flow total-heat exchanger.And the promotion of heat and mass effect, for whole building air-conditioning system, The hot and wet of more air drafts has been recycled in winter, and more colds have been recycled in summer and reduces the wet negative of fresh air to be treated Lotus, so whether in winter or summer, reducing the load of entire air-conditioning system, having reached energy-efficient effect.
Further, the baffle being equipped in each layer is played a supporting role, while is also played and changed wind in full heat friendship The effect of flow direction in parallel operation increases the adverse current distance that wind flows in total-heat exchanger, so as to obtain heat exchange effect It improves.For the design of this structure is compared to common total-heat exchanger, consumable quantity greatly reduces, and cost also decreases.
Further, the structure of asymmetric is employed between the layers, and the air flow channel formed is symmetrical, makes fresh air Enter from different directions with air draft, realize the countercurrent flow mass transfer in entire heat exchanger channels.
Further, it by using carbon nano-tube compound film, enhances between adjacent forward flow layer and reverse flow layer Heat transfer;It also is able to improve moisture in the film that exchanges heat with higher delivery rate, and also has to water vapor in air higher Adsorption efficiency, and can filtration fraction pollutant;Improve efficiency of the heat exchange film to air hot and humid area so that based on carbon nanometer The total heat recovery device of pipe composite membrane can solve contradiction of the fresh air system in terms of energy consumption and indoor air quality, help fresh air The popularization of system.
Further, the utility model overall structure is set in cube, convenient for being symmetrical arranged totally four fresh air inlet and outlet It is imported and exported with air draft, not only overall structure is beautiful, and because of the global shape of its rectangle, can coordinate more with Adjacent Buildings It is good, more reasonability in design.
Description of the drawings
Fig. 1 flows to schematic diagram for the utility model fresh air total-heat exchanger single-layer air.
Fig. 2 is to flow to schematic diagram with the air of individual layer adjacent monolayer shown in Fig. 1.
Fig. 3 is the operation principle schematic diagram of the utility model fresh air total-heat exchanger;
Fig. 4 is the structure diagram of the utility model total-heat exchanger.
In figure:Forward flow layer 1, reverse flow layer 2, carbon nano-tube compound film 3, baffle 4, outdoor fresh air blast pipe 5, room Interior air draft blast pipe 6, indoor exhaust wind discharge pipe 7, outdoor fresh air discharge pipe 8, exhaust blower 9, pressure fan 10 distribute collecting pipe 11.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and It is not to limit.
The body of the utility model is a rectangular parallelepiped structure, and forward flow layer 1 and reverse flow layer 2 are alternately laminated successively One layer of heat exchange film that setting is coated between the body formed and adjacent forward flow layer 1 and reverse flow layer 2 is set, this Carbon nano-tube compound film 3 is used in Limited examples;The forward flow layer 1 for connecting the heat exchange of the first heat transferring medium exchanges heat with connecting second Air-flow direction in the reverse flow layer 2 of media for heat exchange is opposite.
In this preferred embodiment using indoor exhaust wind and outdoor fresh air as two kinds of heat transferring mediums for illustrate.Each layer is all Be provided with it is several for changing the baffle 4 flowed in layer, using two block baffles 4 in this preferred embodiment, for changing wind in layer Flow direction during flowing realizes the countercurrent heat-transfer mass transfer in entire heat exchanger channels with this;Adjacent forward flow layer 1 and reverse flow The flow direction of wind is opposite in layer 2.Each layer is both provided with two interfaces, can with external main air hose by distribute collecting pipe 11 into Row connection.The main air hose includes outdoor fresh air blast pipe 5, indoor exhaust wind blast pipe 6, indoor exhaust wind discharge pipe 7 and outdoor Fresh air discharge pipe 8.With reference to shown in Fig. 1, Fig. 2 and Fig. 4, wherein:For odd-level, outdoor fresh air approaching side, that is, A sides for fresh air into Mouthful, connection outdoor fresh air blast pipe 5;Indoor air-supply side, that is, C sides are fresh air air outlet, connect outdoor fresh air discharge pipe 8;For idol Several layers, indoor exhaust wind approaching side, that is, B sides are air inlet, are connected with indoor exhaust wind blast pipe 6;Outside air draft, that is, D sides are air draft Mouthful, it is connected with indoor exhaust wind discharge pipe 7.The identical wind air port of each layer is connected to distribution collecting pipe 11 by branch wind pipe in parallel On one end, the other end and corresponding main air hose connect.The connection branched away from each main the allocated collecting pipe 11 of air hose is every One layer of branch wind pipe is in parallel between each other, so it is substantially identical to flow through per the air quantity of branch wind pipe all the way, can be made new Wind and air draft uniformly flow through corresponding heat exchange layer, and the heat transfer effect of entire product is ensured with this.
The flowing of the utility model middle level and layer air is reverse flow state;Using the body of rectangular in form, add in rectangle Baffle 4 is filled to determine the flow path of air and play part supporting role, while layer is installed as symmetrical structure with interlayer baffle 4, To realize that layer is corresponding with the air inversion runner of interlayer, the purpose of countercurrent flow is preferably realized.
The utility model can be divided into two kinds of forms of gauche form and vertical type by the arrangement relation of the adjacent layer of heat exchanger:
By taking gauche form as an example, A sides are outdoor fresh air approaching side, and B sides are indoor exhaust wind approaching side, and C sides are indoor Lateral supply, D sides are outside air draft.Processed or untreated outdoor fresh air is entered by A sides, and indoor, interior is sent by C sides through heat exchanger Air draft drains into outdoor through heat exchanger from B sides by D sides.
Equally by taking gauche form as an example, odd-level uses the structure of Fig. 1.For odd-level, for fresh inlet, (connection is new for A sides Wind intake stack), C sides are exhaust duct.
Even level uses the structure of Fig. 2.For even level, B crosswind mouth is air inlet, is connected with air inlet air hose, D sides are Air port is connected with air draft air hose.
It flows through adjacent bilevel wind and realizes adverse current, it, will significantly compared to the distributary form that traditional heat exchangers use Improve heat exchange efficiency.It is the shape for coordinating heat exchanger into and out of air port, air hose should also use rectangular air duct.
As shown in figure 3, the branch wind pipe that the allocated collecting pipe of the wind branched away from main air hose connects each layer is between each other In parallel, so it is substantially identical to flow through per the air quantity of branch wind pipe all the way.Fig. 4 shows that the total-heat exchanger is applied to system In situation, the air hose of odd-level connection A sides (outdoor fresh air) and C sides (air-supply), even level connects B sides (indoor exhaust wind) and D The air hose of side (air draft).

Claims (10)

1. a kind of fresh air total-heat exchanger, which is characterized in that including being handed over successively by forward flow layer (1) and reverse flow layer (2) It is exchanged heat for one layer by setting for being stacked between the body to be formed and adjacent forward flow layer (1) and reverse flow layer (2) Film separates;Connect the forward flow layer (1) of the first heat transferring medium heat exchange and the reverse flow layer for connecting the heat exchange of the second heat transferring medium (2) air-flow direction in is opposite.
2. a kind of fresh air total-heat exchanger according to claim 1, which is characterized in that forward flow layer (1) and reverse flow Several baffles (4) for being used to form air flow channel are both provided in dynamic layer (2), forward flow layer (1) and reverse flow layer (2) are interior Air flow channel be symmetrical arranged, the setting of the entrance of balance runner is opposite and balance runner in air-flow direction it is opposite.
3. a kind of fresh air total-heat exchanger according to claim 2, which is characterized in that forward flow layer (1) and reverse flow Opposite serpentine flow path is flowed to by several baffles (4) formation of setting in dynamic layer (2).
4. a kind of fresh air total-heat exchanger according to claim 1, which is characterized in that distribution collecting pipe (11) is further included, Forward flow layer (1) and reverse flow layer (2) are both provided with the air inlet and air outlet for connecting branch wind pipe respectively;All forward streams The branch wind pipe of dynamic layer (1) air inlet and the branch wind pipe of air outlet are in parallel respectively, and through corresponding two distribution collecting pipes (11) with The main air hose connection forming circuit of first heat transferring medium;The branch wind pipe of all reverse flow layer (2) air inlets and the branch of air outlet Air hose is in parallel respectively, and connects forming circuit with the main air hose of the second heat transferring medium through corresponding two distribution collecting pipes (11).
5. a kind of fresh air total-heat exchanger according to claim 4, which is characterized in that branch wind pipe, distribution collecting pipe (11) With the rectangular pipe setting of main air hose.
6. a kind of fresh air total-heat exchanger according to claim 4, which is characterized in that be correspondingly arranged on respectively on main air hose Exhaust blower or pressure fan.
7. a kind of fresh air total-heat exchanger according to claim 1 or 4, which is characterized in that the first heat transferring medium is interior One kind in air draft and outdoor fresh air, the second heat transferring medium are remaining another kind in indoor exhaust wind and outdoor fresh air.
8. a kind of fresh air total-heat exchanger according to claim 1, which is characterized in that the heat exchange film uses carbon nanometer Pipe composite membrane (3).
9. a kind of fresh air total-heat exchanger according to claim 1, which is characterized in that forward flow layer (1) and reverse flow Dynamic layer (2) replaces stacked on top of one another or left and right and is stacked the body to be formed successively.
10. a kind of fresh air total-heat exchanger according to claim 1 or 9, which is characterized in that the body is in cube Setting, forward flow layer (1) are identical with the size of reverse flow layer (2).
CN201721252456.2U 2017-09-27 2017-09-27 A kind of fresh air total-heat exchanger Expired - Fee Related CN207540095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721252456.2U CN207540095U (en) 2017-09-27 2017-09-27 A kind of fresh air total-heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721252456.2U CN207540095U (en) 2017-09-27 2017-09-27 A kind of fresh air total-heat exchanger

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109059169A (en) * 2018-09-21 2018-12-21 肖正广 The energy-efficient new blower of counter flow series formula
CN110057083A (en) * 2019-03-26 2019-07-26 淮南市知产创新技术研究有限公司 A kind of heat pipe Total heat exchange core apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109059169A (en) * 2018-09-21 2018-12-21 肖正广 The energy-efficient new blower of counter flow series formula
CN110057083A (en) * 2019-03-26 2019-07-26 淮南市知产创新技术研究有限公司 A kind of heat pipe Total heat exchange core apparatus
CN110057083B (en) * 2019-03-26 2020-10-27 淮南市知产创新技术研究有限公司 Heat pipe total heat exchange core device

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Granted publication date: 20180626

Termination date: 20190927