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Two-way flame-proof valve and flame-proof system used for dust environment

An explosion-proof and environmental technology, applied in safety valves, balance valves, valve devices, etc., can solve the problems of limited use range, difficulty in reliable verification of explosion-proof performance, etc., and achieve the effects of high cost performance, simple structure and stable state.

Pending Publication Date: 2019-12-20
HUILE INSFORD ENVIRONMENTAL SAFETY RES INST (SUZHOU) CO LTD
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Problems solved by technology

[0003] At present, enterprises mostly use explosion-proof flap valves for explosion isolation, and they can only be installed in the dust removal duct to block the explosion at the end of the dust collector from spreading to the upstream process, the scope of use is limited, and its explosion-proof performance is difficult to obtain reliable verification

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  • Two-way flame-proof valve and flame-proof system used for dust environment
  • Two-way flame-proof valve and flame-proof system used for dust environment
  • Two-way flame-proof valve and flame-proof system used for dust environment

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Embodiment Construction

[0023] It should be noted that the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, and should not be used as the basis for the present application and limitations of its application.

[0024] In the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; belonging to "plurality" refers to two or more than two, unless otherwise Clearly defined. The terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; "connection" can be It can be a direct connection or an indirect connection through an intermediary. The orientation or positional relationship indicated by ...

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Abstract

The invention relates to a two-way flame-proof valve and flame-proof system used for a dust environment. The two-way flame-proof valve comprises a valve body, a valve plate, compressed gas injection nozzles and a limiting element, wherein the valve body is a pipeline being through from front to back; the compressed gas injection nozzles are distributed on the valve body; the compressed gas injection nozzles are arranged by two; the two compressed gas injection nozzles are located in the same plane but opposite in direction, and the compressed gas injection nozzles penetrates through the valvebody pipeline; the valve plate is fixedly arranged in the valve body in a pivotal manner; one side, in contact with the valve plate, of the limiting element is provided with a magnet; the limiting element includes magnetic limiting baffles and a magnetic limiting baffle ring; the magnetic limiting baffles are arranged by at least two; the magnetic limiting baffles extend to the interior of the valve body from the inner wall of the valve body; and the magnetic limiting baffle ring is arranged on the inner wall of the valve body, and is used for limiting continued rotation of the valve plate.

Description

technical field [0001] The invention relates to the field of dust explosion isolation devices, in particular to a two-way explosion-proof valve and an explosion-proof system for dust environments. Background technique [0002] In recent years, dust explosion accidents have occurred frequently, which has brought great losses in terms of personal and property safety to enterprises involved in dust-based production business. In order to minimize the hazards caused by the explosion of the dust removal duct and the dust collector, the use of an explosion-proof valve is a common method. The explosion-proof valve can isolate the explosion at one end from the other end, so that the explosion cannot spread to the other side. [0003] At present, enterprises mostly use explosion-proof flap valves for explosion isolation, and they can only be installed in the dust removal duct to block the explosion at the end of the dust collector from spreading to the upstream process, the scope of u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/36F16K37/00
CPCF16K17/363F16K37/00
Inventor 钟圣俊苗楠蒋关宇王娜娜吕超王健林卫波
Owner HUILE INSFORD ENVIRONMENTAL SAFETY RES INST (SUZHOU) CO LTD
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