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Black water regulating valve assembly

A black water regulating valve and assembly technology, which is applied in the direction of lifting valves, valve devices, valve details, etc., can solve the problems of not considering the purge structure, unable to regularly valve, short service life, etc., to improve the peeling effect and reduce the later period Maintenance cost and effect of improving service life

Active Publication Date: 2021-03-19
CHONGQING CHUANYI CONTROL VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the traditional black water regulating valve does not consider the purge structure, and the valve cannot be purged regularly during the use of the valve, which leads to the accumulation of medium on the outer wall of the valve core and the inner wall of the guide ring, which leads to serious wear and tear of each component and a short service life , higher maintenance cost

Method used

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  • Black water regulating valve assembly
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Examples

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Embodiment Construction

[0027] This embodiment provides a black water control valve assembly, as shown in the accompanying drawings, including a valve seat 4, a valve body 5, a valve seat ring 3, a guide ring 7, a valve stem 6, an upper valve cover 9 and a flange 1. The flange is connected to the outlet of the lower end of the valve body. The inner circle of the flange and the outer circle of the seat ring are sealed by a metal wound gasket 2. The valve core 8 is connected to the bottom of the valve stem. Slidingly fit with the guide ring, the valve stem drives the spool to insert into the valve seat to form a closed state or drive the spool to slide out of the valve seat to form an open state, the upper bonnet is sealed on the valve body, and the upper bonnet has a packing gland on the sealing cover 10. The packing gland presses the sealing packing 11 between the bonnet and the upper bonnet. A sliding bearing 12 is set between the packing gland and the valve stem. The lower end of the valve stem slid...

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Abstract

The invention discloses a black water regulating valve assembly. The black water regulating valve assembly comprises a valve seat, a valve body, a valve seat ring, a guide ring, a valve rod, an uppervalve cover and a flange, and a purging channel which penetrates through an inner cavity of the guide ring and is used for introducing gas into the guide ring is formed in the valve cover. According to the black water regulating valve assembly, an air inlet of the purging channel is externally connected with a high-pressure air source pipe to introduce high-pressure air into the guide ring, mediaadhering to the guide ring and the valve rod are purged cleanly through the high-pressure air, the valve rod can move up and down in the purging process, and the matching surface of the valve rod andthe guide ring interact to facilitate falling of the media, so that the purging effect is improved; and by the structure, the valve can be purged regularly, valve jamming caused by medium accumulationcan be effectively prevented, the abrasion condition of all parts of the valve is improved, the service life of the valve is prolonged, and the maintenance cost of the valve is reduced.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a black water regulating valve assembly. Background technique [0002] The black water regulating valve assembly has been used for a long time in the gas, liquid and solid three-phase flow medium with a large pressure difference between the inlet and outlet. Long valve service life and other requirements. The structure of the traditional black water regulating valve does not consider the purge structure, and the valve cannot be purged regularly during the use of the valve, which leads to the accumulation of medium on the outer wall of the valve core and the inner wall of the guide ring, which leads to serious wear and tear of each component and a short service life , higher maintenance costs. Contents of the invention [0003] In view of this, the present invention provides a black water regulating valve assembly. The black water regulating valve assembly has a purge structure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/32F16K1/38F16K1/42F16K27/02F16K25/00B08B5/02
CPCF16K1/32F16K1/38F16K1/42F16K27/02F16K25/005B08B5/02
Inventor 周忠云尚洪宝郝娇山刘柏圻李本维刘兰
Owner CHONGQING CHUANYI CONTROL VALVE
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