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Novel energy-saving draught fan

A new fan and fresh air technology, applied in the field of air purification, can solve the problems of unreasonable heat convection structure design of heat exchanger, unreasonable structure design of fresh fan, underutilization of waste heat, etc., so as to improve the exhaust efficiency and improve the utilization of waste heat. The effect of small rate and wind resistance

Inactive Publication Date: 2016-10-12
张跃
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing fresh air fans have the following disadvantages: (1) The design of the heat convection structure of the heat exchanger is unreasonable, and there are defects such as insufficient heat exchange, short heat exchange time, insufficient use of waste heat, low exchange efficiency, and energy waste; (2) The internal structure design of the new fan is unreasonable, with large volume, large wind resistance and poor exhaust

Method used

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Embodiment Construction

[0036] The detailed structure of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] Such as figure 1 Shown: an energy-saving fresh fan, including a main casing 4, a filter, a heat exchanger 1 and a blower 2 are arranged in the main casing 4 along the air flow path in turn, and an exhaust fan 3 is also installed on the main casing 4, and the blower 2 and the The exhaust fan 3 is arranged vertically; the heat exchanger 1 adopts a counter-flow heat exchange structure, so that the fresh air of the blower 2 and the exhaust air of the exhaust fan 3 are vertically staggered and sent out through the fresh air outlet 22 and the exhaust air outlet 32 ​​respectively.

[0038] Wherein, the filter and the heat exchanger 1 are installed in the main casing 4, the blower 2 is installed in the blower casing 7, the exhaust fan 3 is installed in the exhaust casing 8; the blower casing 7 is installed in the main c...

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Abstract

The invention discloses a novel energy-saving draught fan which comprises a main case, wherein a filter, a heat exchanger and a pressure fan are sequentially arranged in the main case in the air flow path; an exhaust fan is further mounted on the main case and is perpendicular to the pressure fan; the heat exchanger adopts a reverse-flow type heat exchanging structure, so that fresh air of the pressure fan and exhausted air of the exhaust fan are perpendicular and stagger and then are discharged through a fresh air outlet and an exhaust outlet respectively. On one hand, the novel energy-saving draught fan eliminates the dead angle of heat exchange, increases the utilization ratio of waste heat, and is excellent in energy-saving effect, and on the other hand, the novel energy-saving draught fan is small in wind drag, smooth in exhausting air and excellent in filtering effect.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to an energy-saving fresh fan. Background technique [0002] With the development and expansion of industry, air pollution is becoming more and more serious, resulting in frequent occurrence of smog. Smog contains a large number of pollutants such as PM2.5 particles, which will seriously damage people's health and quality of life, especially for the elderly, children and patients with respiratory diseases. In addition, due to the rapid urbanization process in our country, the design and planning of many towns are unreasonable. There are industrial areas not far from residential areas, and even residential areas are surrounded by industrial areas; in this way, the exhaust gas in the factories is scattered by the wind. To the nearest residential area, people's living environment is very bad, if people live in such an environment for a long time, people's health will be serio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F7/007F24F12/00F24F13/28
CPCF24F7/007F24F12/006F24F13/28F24F13/32F24F8/10
Inventor 张跃
Owner 张跃
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