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Gas-cutoff bypass valve opening protection device

A protection device and bypass valve technology, applied in the direction of valve device, valve operation/release device, valve lift, etc., can solve problems such as equipment damage, affecting the normal operation or debugging of the dust removal system, so as to ensure smooth operation and simple structure , low cost effect

Inactive Publication Date: 2012-02-29
KELIN ENVIRONMENTAL PROTECTION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this application, the bypass valve uses such as a sealed butterfly valve or a pressure-type non-leakage valve. However, when the valve driving device fails, such as when the cylinder is cut off, the valve cannot be opened, which will directly affect the normal operation or debugging of the entire dust removal system. , and even cause damage to the equipment

Method used

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  • Gas-cutoff bypass valve opening protection device
  • Gas-cutoff bypass valve opening protection device
  • Gas-cutoff bypass valve opening protection device

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0017] like figure 1 , 2 Shown is a bypass valve air cut-off opening protection device. The bypass valve 100 includes a valve plate 1, an opening and closing drive device connected to the valve plate 1, a valve tube 2 arranged at the lower part of the valve plate 1, an opening and closing drive device, The valve plates 1 are connected via a guide rod 4 .

[0018] Wherein: the valve plate 1 includes an upper valve plate 10 and a lower valve plate 11 , and the upper valve plate 10 and the lower valve plate 11 are respectively covered and closed on the end of the valve tube 2 .

[0019] The valve pipe 2 includes an upper valve pipe 20 and a lower valve pipe 21. The diameter of the lower valve pipe 21 is smaller than that of the upper valve pipe 20. The upper part of the lower valve pipe 21 extends into the upper valve pipe 20, and the upper valve plate 10 is c...

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PUM

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Abstract

The invention relates to a gas-cutoff bypass valve opening protection device. A bypass valve comprises a valve plate, an opening and closing driving device connected with the valve plate, and a valve tube arranged below the valve plate, wherein the opening and closing driving device is connected with the valve plate through a guide rod; an electric component is connected on the guide rod between the opening and closing driving device and the valve plate; and when the opening and closing driving device stops working, the electric component can drive the guide rod to open the valve. The protection device is arranged, so that when the opening and closing driving device fails or a gas source is cut off, the valve is ensured to be opened normally and the smooth working of dedusting equipment is ensured; and the gas-cutoff bypass valve opening protection device is simple in structure and low in cost.

Description

technical field [0001] The invention relates to a protection device for bypass valve air cut-off opening. Background technique [0002] At present, for some dust collectors, such as bag dust collectors, bypass pipes are usually set up, so as to avoid the sudden rise of flue gas temperature in the dust removal system from adversely affecting the use of filter bags, or to meet the requirements of uninterrupted production Under the circumstances, debug the dust removal system. [0003] Refer to the Chinese patent "Built-in bypass pipeline structure of bag filter" with application number 200920150785.5. In this application, the bypass valve uses such as a sealed butterfly valve or a pressure-type non-leakage valve. However, when the valve driving device fails, such as when the cylinder is cut off, the valve cannot be opened, which will directly affect the normal operation or debugging of the entire dust removal system. , and even cause damage to the equipment. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K31/44F16K31/12
Inventor 唐祥荣
Owner KELIN ENVIRONMENTAL PROTECTION EQUIP