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Reducing pipe cleaning valve

A technology for pigging and pigging, which is applied in valve details, multi-port valves, valve devices, etc., can solve the problems of troublesome and time-consuming operation, occupying a lot of space, and long construction period, so as to reduce maintenance costs and reduce the diameter of pigging. The effect of simplifying the method and saving operation time

Inactive Publication Date: 2010-11-03
自贡新地佩尔阀门有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of receiving and receiving balls to realize variable-diameter pigging is more complicated, takes up more space, and has a longer construction period, greater investment, and more troublesome and time-consuming operations; Source is more

Method used

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Examples

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Embodiment Construction

[0029] The valve body is integrally forged or cast, and the valve body is connected with the upstream flange and downstream flange by bolts, and the gasket and O-ring are used to seal; when the diameter of the upstream pipe is larger than that of the downstream pipe, the inner diameter of the downstream flange is larger than that of the upstream flange. The inner diameter is small; when the diameter of the upstream pipe is smaller than that of the downstream pipe, the inner diameter of the downstream flange is larger than that of the upstream flange. The ball is located in the center of the valve body and is positioned by the base and the valve cover. The valve stem with the anti-flying structure fits the ball in a flat square, and the valve stem is not subject to shear force and bending moment; there is a friction-reducing sliding device between the valve stem and the valve cover. Bearings reduce frictional torque; the seal between the valve stem and the branch pipe uses packi...

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PUM

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Abstract

The invention discloses a reducing pipe cleaning valve for realizing the reducing pipe cleaning of a pipeline with two different pipe diameters. The reducing pipe cleaning valve comprises a valve body, a valve spindle, an upstream valve seat, a downstream valve seat, a valve cap, a base, a branch pipe, an upstream flange, a downstream flange, a quick open stop plate, a reducing boosting ring, an isolated sealing drum, fillings, a filling press cover, a sealing ring, each sealing device, and the like, wherein a connecting pipeline is connected with a flange of the valve body by the upstream flange and the downstream flange with different inside diameters to be matched with different pipe diameters; a valve seat adopts the upstream valve seat and the downstream valve seat with different inside diameters to be matched with the receiving and the emitting of a pipe cleaner; and the reducing boosting ring and the isolated sealing drum are key parts for realizing the reducing pipe cleaning function.

Description

technical field [0001] The invention relates to industrial pigging technology and pigging equipment, in particular to realizing variable-diameter pigging on a pipeline with two different pipe diameters. Background technique [0002] In the industrial pigging process system, how to improve the pigging process technology in terms of economy and application stability is a very important issue. [0003] The receiving and receiving barrel is a complete pigging process system. Its stable performance has made the pigging technology greatly developed; however, its complex system composition, huge floor space and huge maintenance costs not only seriously affect The efficiency has increased a lot of additional cost expenses. The pigging valve overcomes the shortcomings of the complex pigging process system centered on the traditional receiving and receiving barrel. Its stable performance, convenient operation and maintenance and small installation space greatly reduce the cost. It is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/087F16K27/00B08B9/04
Inventor 黄前刚
Owner 自贡新地佩尔阀门有限公司
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