CN106016574A - Heat recovery fresh air fan - Google Patents

Heat recovery fresh air fan Download PDF

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Publication number
CN106016574A
CN106016574A CN201610547610.2A CN201610547610A CN106016574A CN 106016574 A CN106016574 A CN 106016574A CN 201610547610 A CN201610547610 A CN 201610547610A CN 106016574 A CN106016574 A CN 106016574A
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China
Prior art keywords
fresh air
return air
heat recovery
heat exchange
wet film
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Pending
Application number
CN201610547610.2A
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Chinese (zh)
Inventor
张红
卢军
乔振勇
李永财
于忠
李无言
高波
倪吉
徐龙
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Sichuan Institute of Building Research
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Sichuan Institute of Building Research
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Priority to CN201610547610.2A priority Critical patent/CN106016574A/en
Publication of CN106016574A publication Critical patent/CN106016574A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

本发明公开一种热回收新风机,包括:回风入口;与所述回风入口连通的回风通道;新风通道;用于实现所述回风通道内的回风与所述新风通道内的新风之间的热交换的换热芯体;湿膜,其设置于所述回风通道内的位于所述回风入口与所述换热芯体之间的部位。它采用间接蒸发冷却技术提高换热芯体的热回收效率,能降低新风负荷,其结构简单合理,热回收效率高,安装维修简便。

The invention discloses a heat recovery fresh air fan, comprising: a return air inlet; a return air channel connected with the return air inlet; a fresh air channel; A heat exchange core for heat exchange between the fresh air; a wet film, which is arranged in the return air passage between the return air inlet and the heat exchange core. It uses indirect evaporative cooling technology to improve the heat recovery efficiency of the heat exchange core, which can reduce the load of fresh air. Its structure is simple and reasonable, with high heat recovery efficiency and easy installation and maintenance.

Description

热回收新风机Heat recovery fresh air fan

技术领域technical field

本发明涉及新风机,具体涉及热回收新风机。The invention relates to a fresh air blower, in particular to a heat recovery fresh air blower.

背景技术Background technique

随着密封性高的不能开窗户的建筑物逐渐增多,能够引入并处理新风的设备被前所未有的重视起来,人们迫切需要新风满足舒适、健康的需求。如果单纯地向建筑物中引入新风而把建筑物里面相对污浊的空气排走,这样虽然使室内人员获得了新鲜空气,但是排风中的冷或热能量没有进行回收利用,造成能源的极大浪费。With the gradual increase of buildings with high airtightness and windows that cannot be opened, equipment that can introduce and process fresh air has been paid more attention than ever. People urgently need fresh air to meet the needs of comfort and health. If you simply introduce fresh air into the building and discharge the relatively dirty air inside the building, although the indoor personnel can obtain fresh air, the cold or heat energy in the exhaust air is not recycled, resulting in a huge energy waste. waste.

发明内容Contents of the invention

本发明要解决的技术问题是,提供一种热回收效率高的热回收新风机。The technical problem to be solved by the present invention is to provide a heat recovery fresh air fan with high heat recovery efficiency.

为解决上述技术问题,本发明采用下述技术方案。In order to solve the above technical problems, the present invention adopts the following technical solutions.

一种热回收新风机,包括:A heat recovery fresh air machine, comprising:

回风入口;return air inlet;

与所述回风入口连通的回风通道;a return air passage communicated with the return air inlet;

新风通道;Fresh air channel;

换热芯体,其用于实现所述回风通道内的回风与所述新风通道内的新风之间的热交换;以及a heat exchange core, which is used to realize heat exchange between the return air in the return air passage and the fresh air in the fresh air passage; and

湿膜,其设置于所述回风通道内的位于所述回风入口与所述换热芯体之间的部位。The wet film is arranged at a position in the return air channel between the return air inlet and the heat exchange core.

所述湿膜的上方设置有补水孔。Water replenishment holes are arranged above the wet film.

所述湿膜的下方设置有泄水孔。A drain hole is arranged under the wet film.

所述湿膜由高分子强吸水性复合材料制成。The wet film is made of polymer strong water-absorbing composite material.

所述高分子强吸水性复合材料以植物纤维为基材经过树脂处理烧结而成。The polymer strong water-absorbing composite material is formed by resin treatment and sintering with plant fiber as the base material.

所述高分子强吸水性复合材料呈波纹状交叉重叠型。The high-molecular strong water-absorbing composite material is corrugated and cross-overlapped.

本发明包括下述有益技术效果。The present invention includes the following beneficial technical effects.

本发明的回风通道内的回风由湿膜降温,新风通过换热芯体与通过该换热芯体的由湿膜降温后的回风进行热交换而降温,该新风然后进入室内。本发明采用间接蒸发冷却技术提高换热芯体的热回收效率,能降低新风负荷,其结构简单合理,热回收效率高,安装维修简便。The return air in the return air channel of the present invention is cooled by the wet film, and the fresh air is cooled by heat exchange through the heat exchange core with the return air cooled by the wet film passing through the heat exchange core, and then the fresh air enters the room. The invention adopts the indirect evaporative cooling technology to improve the heat recovery efficiency of the heat exchange core body, can reduce the fresh air load, has a simple and reasonable structure, high heat recovery efficiency, and is easy to install and maintain.

附图说明Description of drawings

图1示意性示出本发明的结构示意图。Fig. 1 schematically shows a schematic diagram of the structure of the present invention.

具体实施方式detailed description

为能详细说明本发明的技术特征及功效,并可依照本说明书的内容来实现,下面结合附图对本发明的实施方式进一步说明。In order to describe the technical features and functions of the present invention in detail and realize them according to the content of this specification, the implementation of the present invention will be further described below in conjunction with the accompanying drawings.

图1示意性示出本发明众多实施例中的一种热回收新风机的实施例,图1中,OA表示室外进风,EA表示室外排风,RA表示室内回风,SA表示室内新风,箭头表示回风或新风的流动方向。该热回收新风机包括回风入口1、外壳2、湿膜3、换热芯体4、排风机5、排风口6、新风机7、组合过滤装置8、送风口9、回风通道以及新风通道。Fig. 1 schematically shows an embodiment of a heat recovery fresh air machine among many embodiments of the present invention. In Fig. 1, OA represents outdoor air intake, EA represents outdoor exhaust air, RA represents indoor return air, and SA represents indoor fresh air. Arrows indicate the direction of return or fresh air flow. The heat recovery fresh air machine includes a return air inlet 1, a casing 2, a wet film 3, a heat exchange core 4, an exhaust fan 5, an air exhaust port 6, a fresh air fan 7, a combined filter device 8, an air supply port 9, a return air channel and Fresh air channel.

回风入口1与回风通道连通。The return air inlet 1 communicates with the return air channel.

本发明主体可采用金属外壳,例如,外壳2尺寸为长×宽×高:500mm×300mm×1750mm。The main body of the present invention can adopt a metal casing, for example, the size of the casing 2 is length×width×height: 500mm×300mm×1750mm.

湿膜3设置在回风通道中,从回风流动方向来看,湿膜3安置于回风入口1之后,换热芯体4之前。The wet film 3 is arranged in the return air passage, and the wet film 3 is arranged behind the return air inlet 1 and before the heat exchange core 4 as viewed from the flow direction of the return air.

湿膜3可由来自于空调系统的冷凝水降温。The wet film 3 can be cooled by condensed water from the air conditioning system.

湿膜3的材料采用以植物纤维为基材,经过树脂处理烧结形成波纹状交叉重叠的高分子复合材料,具有极强的吸水性、很好的自我清洁能力,提供水分与空气间最大的接触面积。The material of the wet film 3 is made of plant fiber as the base material, and after resin treatment and sintering to form a corrugated cross-overlapping polymer composite material, it has strong water absorption, good self-cleaning ability, and provides the largest contact between water and air. area.

换热芯体4安装在本发明的中部,来自室内的回风与经过过滤净化的室外的新风汇集到换热芯体4中,通过回风通道以及新风通道进行无混流的热交换之后,回风通过排风口6排出室外,室外的新风通过送风口9经新风通道送入室内。The heat exchange core 4 is installed in the middle of the present invention, and the return air from the room and the filtered and purified outdoor fresh air are collected into the heat exchange core 4, and after heat exchange without mixed flow through the return air channel and the fresh air channel, the return air The wind is discharged outside through the air exhaust port 6, and the fresh air outside is sent into the room through the fresh air passage through the air supply port 9.

换热芯体4可以采用但不限于铝箔芯体,新风量与回风量均可以但不限于300m3/h。组合过滤装置8由上至下分别为粗效过滤棉、静电除尘器、高效过滤器,高效过滤器采用超细玻璃纤维纸作滤料。The heat exchange core 4 can be but not limited to an aluminum foil core, and both the fresh air volume and the return air volume can be but not limited to 300m 3 /h. The combined filter device 8 is respectively coarse-effect filter cotton, electrostatic precipitator, and high-efficiency filter from top to bottom, and the high-efficiency filter adopts superfine glass fiber paper as filter material.

在夏季制冷工况下,本发明承担为室内提供新风的任务。新风风机7和排风风机5均启动运行,室外的新风通过新风风机7进入组合过滤装置8进行过滤之后进入换热芯体4与回风进行热交换,然后进入送风通道经送风口9送入室内。来自于室内的回风则由回风入口1进入回风通道,然后通过湿膜3中冷凝水的蒸发冷却作用对回风进行降温,降温后的回风通过换热芯体4与新风换热,之后通过排风风机5排出室外。在换热芯体4中,新风和回风呈交叉流流动,中间通过亲水铝箔隔开。Under the cooling condition in summer, the present invention undertakes the task of providing fresh air for the room. Both the fresh air fan 7 and the exhaust fan 5 start to operate, and the outdoor fresh air enters the combined filter device 8 through the fresh air fan 7 for filtering, then enters the heat exchange core 4 for heat exchange with the return air, and then enters the air supply channel and is sent through the air supply port 9. into the room. The return air from the room enters the return air channel through the return air inlet 1, and then cools the return air through the evaporative cooling effect of the condensed water in the wet film 3, and the cooled return air exchanges heat with the fresh air through the heat exchange core 4 , and then discharged outdoors by exhaust fan 5. In the heat exchange core 4, fresh air and return air flow in a cross flow, separated by hydrophilic aluminum foil.

在一些实施例中,湿膜3上方开有补水孔10,以补充被回风带走的水分。In some embodiments, water replenishment holes 10 are opened above the wet film 3 to replenish the moisture taken away by the return air.

在一些实施例中,湿膜3上方开有泄水孔11,以便在室内湿负荷较大的情况下,回风因冷凝水量较大而无法全部使冷凝水蒸发,余下部分由泄水孔11排出新风机组。In some embodiments, there is a drain hole 11 above the wet film 3, so that when the indoor humidity load is large, the return air cannot evaporate all the condensed water due to the large amount of condensed water, and the remaining part is covered by the drain hole 11. Exhaust the fresh air unit.

需要说明的是,上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何适合的方式进行组合。为了避免不必要的重复,本发明对各种可能的组合方式不再进行描述。It should be noted that the various specific technical features described in the above specific implementation manners may be combined in any suitable manner if there is no contradiction. In order to avoid unnecessary repetition, various possible combinations are not described in the present invention.

上面参照实施例对本发明进行了详细描述,是说明性的而不是限制性的,在不脱离本发明总体构思下的变化和修改,均在本发明的保护范围之内。The present invention has been described in detail above with reference to the embodiments, which are illustrative rather than restrictive. Changes and modifications without departing from the general concept of the present invention are within the protection scope of the present invention.

Claims (6)

1.一种热回收新风机,其特征在于,包括:1. A heat recovery fresh air machine, characterized in that it comprises: 回风入口;return air inlet; 与所述回风入口连通的回风通道;a return air passage communicated with the return air inlet; 新风通道;Fresh air channel; 换热芯体,其用于实现所述回风通道内的回风与所述新风通道内的新风之间的热交换;以及a heat exchange core, which is used to realize heat exchange between the return air in the return air passage and the fresh air in the fresh air passage; and 湿膜,其设置于所述回风通道内的位于所述回风入口与所述换热芯体之间的部位。The wet film is arranged at a position in the return air channel between the return air inlet and the heat exchange core. 2.根据权利要求1所述的热回收新风机,其特征在于,所述湿膜的上方设置有补水孔。2. The heat recovery fresh air blower according to claim 1, characterized in that a water replenishment hole is arranged above the wet film. 3.根据权利要求1所述的热回收新风机,其特征在于,所述湿膜的下方设置有泄水孔。3. The heat recovery fresh air blower according to claim 1, characterized in that a drain hole is provided under the wet film. 4.根据权利要求1至3任一项所述的热回收新风机,其特征在于,所述湿膜由高分子强吸水性复合材料制成。4. The heat recovery fresh air blower according to any one of claims 1 to 3, characterized in that, the wet film is made of a polymer strong water-absorbing composite material. 5.根据权利要求4所述的热回收新风机,其特征在于,所述高分子强吸水性复合材料以植物纤维为基材经过树脂处理烧结而成。5 . The heat recovery fresh air blower according to claim 4 , characterized in that, the polymer strong water-absorbing composite material is formed by resin treatment and sintering with plant fiber as the base material. 6.根据权利要求5所述的热回收新风机,其特征在于,所述高分子强吸水性复合材料呈波纹状交叉重叠型。6. The heat recovery fresh air blower according to claim 5, characterized in that, the polymer strong water-absorbing composite material is in a corrugated cross-overlapping type.
CN201610547610.2A 2016-07-12 2016-07-12 Heat recovery fresh air fan Pending CN106016574A (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN106679132A (en) * 2017-01-23 2017-05-17 四川省建筑科学研究院 Heat recovering fresh air machine
CN115682209A (en) * 2022-10-26 2023-02-03 浙江曼瑞德环境技术股份有限公司 A fresh fan reverse humidification system and method
CN115928703A (en) * 2023-02-14 2023-04-07 四川省建筑科学研究院有限公司 Partial freezing transformation method for near-water structural slab
CN116928858A (en) * 2023-07-31 2023-10-24 厦门金名节能科技有限公司 Fresh air heat exchange device and air conditioner for utilizing condensate water residual cold

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