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Winter anti-freezing ceiling fresh air unit system and construction method

A technology of fresh air unit and construction method, which is applied in air-conditioning systems, heating methods, space heating and ventilation, etc., can solve the problems of increased operation and management costs for equipment maintenance users, and achieves the saving of electric energy, operating costs and investment costs, and energy saving. Effect

Active Publication Date: 2013-01-02
INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It also caused a significant increase in the maintenance of equipment and the operation and management costs of users.

Method used

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  • Winter anti-freezing ceiling fresh air unit system and construction method

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Embodiment 1

[0021] Embodiment 1: A suspended ceiling fresh air unit system for anti-freezing in winter includes: fresh air unit 3, electric airtight valve 2, fire damper 4, air duct 1 of the fresh air unit system, system support and hanger 8 and fresh air unit support and hanger 9, wherein One end of the system support and hanger 8 is fixed on the top plate 10, and the other end is fixed on the air duct 1 of the fresh air unit system. In the air duct 1 of the fresh air unit system, an electric airtight valve 2, a fresh air unit 3 and Fire damper 4, one end of fresh air unit support and hanger 9 is fixed on the top plate 10, and the other end is fixed on fresh air unit 3, which also includes manual airtight valve 5, single-layer louver 7 and iron short pipe 6, and electric airtight valve 2 On the air duct 1 of the fresh air unit system between the fresh air unit 3 and the fresh air unit 3, a bypass port is set on the side close to the indoor. The opening size of the bypass port is 600mm×600...

Embodiment 2

[0022] Embodiment 2: A construction method of a suspended ceiling fresh air unit system for anti-freezing in winter, which is implemented in the following steps:

[0023] (1) Measurement and setting out: measure and set out to determine the axis of the air duct 1 of the fresh air unit system and the positions of the centerlines of each surface of the fresh air unit 3, electric airtight valve 2 and fire damper 4;

[0024] (2) Install the system support and hanger: install the system support and hanger 8 according to the hoisting size of the equipment, fix one end of the system support and hanger 8 on the top plate 10, and the other end extends vertically downwards to fix the fan of the fresh air unit system. pipe 1;

[0025] (3) Install the fresh air unit: fix one end of the fresh air unit hanger 9 on the top plate 10, and extend the other end vertically downwards to connect with the fresh air unit 3 to fix the fresh air unit 3;

[0026] (4) Install the air duct of the fresh a...

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Abstract

The invention discloses a winter anti-freezing ceiling fresh air unit system and a construction method. The inter anti-freezing ceiling fresh air unit system comprises a fresh air unit, an electric closed valve, a manual closed valve, a single-layer shutter, an iron sheet short pipe, a fireproof valve, an air pipe of the fresh air unit system, a system support hanger and a fresh air unit support hanger. The construction method sequentially comprises the following steps of: (1) measuring, and paying off; (2) installing the system support hanger; (3) installing the fresh air unit; and (4) installing the air pipe of the fresh air unit system. When the indoor and outdoor temperature difference is high, the electric closed valve is directly closed, and the manual closed valve is opened, so that the indoor air flows to the fresh air unit system through the manual closed valve under the combined action of indoor and outdoor heat pressure and air pressure to effectively prevent over low watertemperature in a copper pipe in the fresh air unit system and fulfill the anti-freezing purpose. Therefore, the indoor heat is fully utilized, and a large amount of energy can be saved under the condition of meeting the running requirement.

Description

technical field [0001] The invention relates to a suspended ceiling fresh air unit system and a construction method, in particular to a suspended ceiling fresh air unit system and a construction method for anti-freezing in winter. Background technique [0002] In the cold and sandy areas of northern my country, the heating coil of the ceiling fresh air unit is often cracked by freezing. The main reason is that the fluid in the heating coil is affected by the cold wind, and the volume of the fluid in the heating coil expands when it solidifies, which eventually causes the heater coil to swell. This not only affects the normal operation of the fresh air unit, but also increases the maintenance of the equipment and the user's operation and management costs, and also affects the popularization and application of the ceiling fresh air system in cold regions of our country to a certain extent. [0003] In the past, the operation of the ceiling fresh air unit in winter was that the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F3/00F24F13/02
Inventor 张永军李雪飞王辉亮于明马政
Owner INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
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