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Primary surface heat exchanger for fresh air interchanger

A technology of surface heat exchangers and fresh air ventilators, which is applied in the direction of indirect heat exchangers, heat exchanger types, household heating, etc., can solve the problem of low heat exchange efficiency, and achieve improved heat exchange efficiency and improved heat exchange capacity. High, simple and reliable production process

Inactive Publication Date: 2007-11-28
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, at present, fresh air ventilators all use plate-fin cross-flow heat exchangers. See related patents CN1431430, CN2549375 and GB2296968. They are all composed of heat exchange plates, seals and partitions. It is not in direct contact, and the efficiency of fin ribs should be considered. Although a variety of new plate-fin heat exchange plates are used, the heat exchange efficiency is still not high

Method used

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  • Primary surface heat exchanger for fresh air interchanger
  • Primary surface heat exchanger for fresh air interchanger
  • Primary surface heat exchanger for fresh air interchanger

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing, content of the present invention is described in further detail:

[0033] When assembling the heat exchanger 1, a number of unit assemblies 6 are generally produced first, and each unit assembly 6 includes two pieces of the first staggered corrugated CC original surface plate 3 and the second staggered corrugated CC original surface plate 4 with different corrugation angles and the first seal 2a (the third seal 2c when cutting corners) and the second seal 2b (the fourth seal 2d when cutting corners), the first staggered corrugated CC original surface plate 3 and the second staggered corrugated CC original surface plate 4 are made of high thermal conductivity And metal materials with good ductility, such as aluminum, copper and other stamped staggered corrugated plates, the angle of the corrugations can be adjusted arbitrarily within the range of 0-180° according to the load and external dimensions required by the user, and ...

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Abstract

The present invention discloses a primary surface heat exchanger for new-air air-interchanging machine. It is made up by superposing two cross-corrugated CC primary surface plates with different corrugated angles and inserting sealing strap into the between of two primary surface plates. The above-mentioned primary surface plates and sealing strap are formed into a unit component, several unit components are superposed together so as to form the invented new-air air-interchanging machine.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a raw surface heat exchanger for a fresh air ventilator. Background technique [0002] Generally, the split type air conditioner only handles the return air, and the indoor air quality is poor due to insufficient supply of fresh air. According to the World Health Organization survey, staying in an air-conditioned room for a long time will cause red eyes, dizziness, nausea, chest tightness, physical fatigue, drowsiness and other adverse symptoms. Therefore, the traditional air conditioners based on the concept of human thermal balance and comfort are far from meeting people's requirements for a healthy life. Poor indoor air quality has been recognized as an important cause of "sick building syndrome". [0003] In order to alleviate this problem, the fresh air ventilator has been widely used. It uses the indoor return air to heat or cool the fresh air introduced from the outside. . [0004] ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D9/02F24F12/00
Inventor 王秋旺张冬洁曾敏罗来勤吴一宁
Owner XI AN JIAOTONG UNIV