Fan-type air flow indicator

A technology of motion indicator and fan, applied in the direction of instruments, indicating/recording actions, measuring devices, etc., can solve problems such as insufficient balance, and achieve the effects of convenient maintenance, cost saving, and simple practice.

Pending Publication Date: 2016-06-01
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a fan-type air flow indicator, which is simple in method and low in cost, can overcome the defects of the prior art, effectively solve the problem of insufficient balance of air suction or exhaust at the end of the gas collection process or ventilation system, and greatly simplify the system Difficulty in commissioning and operation and maintenance, reducing the number of air valves and flowmeters, saving the cost of piping systems

Method used

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Embodiment Construction

[0019] based on the following figure 1 with figure 2 Preferred embodiments of the present invention will be described in detail.

[0020] Such as figure 1 As shown, the present invention provides a fan-type airflow indicator, comprising:

[0021] Transparent short tube 1;

[0022] Flange 2, which is installed at both ends of the short transparent tube 1, for connecting the short transparent tube 1 to the air duct;

[0023] The fan assembly 3 is installed inside the short transparent tube 1 and is used to indicate the gas flow state and wind direction.

[0024] The transparent short tube 1 is made of a transparent material, such as plexiglass; when the fan-type airflow indicator provided by the present invention is used in an odor collection and treatment system, the transparent short tube 1 is made of corrosion-resistant transparent Made of material.

[0025] Such as figure 2 As shown, the fan assembly 3 adopts a blade-type small fan. When the gas in the air duct pass...

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Abstract

The invention discloses a fan-type air flow indicator, which comprises a transparent short pipe, flanges and a fan assembly, wherein the flanges are arranged at two ends of the transparent short pipe for connecting the transparent short pipe in an air pipeline; and the fan assembly is arranged inside the transparent short pipe for indicating the air flow state and the air direction. The operation is simple; the cost is low; defects in the prior art can be overcome; the problem of insufficient air suction or air exhaust balance at the tail end of an air gathering processing or ventilation system can be effectively solved; the system debugging, operating and maintaining difficulty is greatly simplified; the number of air valves and the number of flow meters can be reduced; and the pipeline system cost is saved.

Description

technical field [0001] The invention relates to the technical field of gas collection, processing and ventilation, in particular to a 24-hour visualized fan-type airflow indicator. Background technique [0002] With the development of society and the advancement of science and technology, more and more attention is paid to the balance of air volume in the design of malodorous gas collection and treatment and ventilation systems. [0003] However, in actual engineering, due to the influence of many factors such as the tightness of the air collecting hood, the size of the air duct, the layout of the air outlet, the changeable operating conditions, the installation space, and the decoration requirements, etc., it is often difficult to achieve various Balance of resistance between branches. For this reason, air valves are usually installed on each branch pipe to adjust the air volume. By changing the resistance loss of the pipe, the resistance balance between the branch pipes o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P13/02
CPCG01P13/02
Inventor 张欣董磊杜炯
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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