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Gate type explosion-proof valve

An explosion-proof valve, door-type technology, applied in safety valves, balance valves, valve devices, etc.

Inactive Publication Date: 2013-04-24
于波涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

General explosion-proof measures cannot solve such hidden dangers

Method used

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Examples

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0018] Such as figure 1 Shown, the door explosion-proof valve, including the valve body 1, such as image 3 As shown, a door frame 2 is installed on the valve body 1, a door cover 3 is installed on the door frame 2, a sealing connection strip 4 is arranged between the door cover 3 and the door frame 2, and the sealing connection strip 4 Including a rubber strip, the rubber strip is provided with a door frame installati...

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Abstract

The invention discloses a gate type explosion-proof valve. The gate type explosion-proof valve comprises a valve body, a gate frame is mounted on the valve body, a gate cover is mounted on the gate frame, sealing connecting strips are arranged between the gate cover and the gate frame, and an explosion-proof buffering device is mounted on the gate frame on the inner side of the gate cover. The gate type explosion-proof valve further comprises gate cover bearing lugs, gate cover bearing trays hinged with the gate cover bearing lugs are arranged on the gate cover, a gate cover follow-up device is mounted at one end, distant from the gate cover bearing trays, of the valve body, and a press sheet pressing and leaning on the gate cover follow-up device is arranged on the gate cover. When pressure increases, high-pressure gas generates large thrust force to the gate cover after being buffered by the explosion-proof buffering device, the gate cover rotates by a certain angle around hinging points between the gate cover bearing trays and the gate cover bearing lugs, a gap is generated between the gate cover and the gate frame, the high-pressure gas is exhausted from the gap, and accordingly the purpose for releasing pressure is achieved. The gate type explosion-proof valve is strong in adaptability to various inflammable dust, quick in pressure releasing, low in systematic cost and investment running cost, and is an essential unit in an anti-explosion dust remover.

Description

technical field [0001] The invention relates to a valve, in particular to an explosion-proof valve. Background technique [0002] Dust collectors are commonly used facilities in boilers and industrial production, but the explosive dust of coal powder or aluminum powder is likely to explode or burn in the presence of sparks or static electricity under a certain concentration. In order to solve this defect, the dust bag is usually made of needle-punched felt industrial filter cloth with anti-static function. The bag can be easily removed for cleaning and reuse, and the filter bag is reliably grounded during installation. It can effectively avoid the possibility of coal powder or aluminum powder explosion caused by static electricity. [0003] However, dust explosions are more complicated than combustible substances and combustible gases. Generally, combustible dust is suspended in the air to form a dust cloud within the explosive concentration range. Under the action of the i...

Claims

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Application Information

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IPC IPC(8): F16K17/02F16K37/00
Inventor 崔茂展
Owner 于波涛
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