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A kind of ventilation duct construction method

A construction method and a technology for ventilation ducts, which are applied in pipeline layout, pipeline protection, pipeline support, etc., can solve problems such as poor fire performance and poor ventilation, and achieve the effects of enhanced fire performance, smooth ventilation, and improved construction quality

Active Publication Date: 2019-05-03
SINOHYDRO ENG BUREAU 4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to solve the quality problems caused by poor ventilation and poor fireproof performance in the existing ventilation construction process, and to provide a ventilation construction method

Method used

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Examples

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Effect test

Embodiment 1

[0022] According to an embodiment of the present invention, a kind of ventilation duct construction method is proposed, comprising the steps of:

[0023] Step 1, air duct production: use the flanging riveting method to connect the rectangular air duct and the angle steel flange, and the rectangular air duct and the angle steel flange are riveted with galvanized rivets;

[0024] Step 2, bracket and hanger installation: the bracket and hanger are set at the tuyere or outside the valve, inspection door and automatic control mechanism, and the installation position is ≥200mm from the tuyere; the bracket and hanger are fixed with expansion bolts, and the vertical pole of the hanger is made of Fully threaded boom; brackets and hangers on brackets;

[0025] Step 3, air duct installation and connection: the air ducts are connected by angle steel flanges, asbestos rubber pads with a thickness of 4mm and a stiffness ≥ FB3 are used as gaskets between the angle steel flanges, and sealing ...

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PUM

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Abstract

The invention relates to the field of constructional engineering, in particular to a ventilating duct construction method. The ventilating duct construction method comprises the following steps of manufacturing air ducts; mounting a support and a hanging bracket; mounting and connecting the air ducts; mounting fireproof valves and air ports; and mounting fans. Compared with existing ventilating construction, the ventilating duct construction method is high in efficiency, and efficiently monitors the problem of air leakage in connection of the air ducts, smooth ventilating is guaranteed, and the fireproof performance is enhanced; the cost is low; and the construction period is shortened effectively, the construction quality is improved, and quality problems in a building construction process can be timely notified to a maintenance unit.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to a construction method for ventilation ducts. Background technique [0002] During the ventilation construction process of the pipe gallery, problems such as poor ventilation and poor fire performance are often encountered, resulting in low construction efficiency and high cost. For addressing these problems, need to invent a kind of ventilation duct construction method that is applicable. Contents of the invention [0003] The purpose of the invention is to solve the quality problems caused by poor ventilation and poor fireproof performance in the existing ventilation construction process, and provides a ventilation construction method. [0004] A construction method for ventilation ducts, the method comprising the following steps: [0005] Step 1, air duct production: use the flanging riveting method to connect the rectangular air duct and the angle steel flange, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L1/024F16L3/00F16L23/14F16L23/16F16L58/18F24F13/02
CPCF16L1/024F16L3/00F16L23/14F16L23/16F16L58/18F24F13/0209F24F13/0245F24F13/0254
Inventor 李贵兴张生统高扬任义亮铁福春
Owner SINOHYDRO ENG BUREAU 4
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