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Special tank bottom core tube valve with double valve bodies

A valve core tube and valve body technology, which is applied to the sub-series of the double valve body core tube valve plate, double valve body special tank bottom core tube valve field, can solve the problems of casualties, leakage, environmental damage, etc., and achieve reliability And good safety, easy to manufacture, good sealing effect

Inactive Publication Date: 2019-10-11
卢星霖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, tank bottom valves used in various precious media, toxic and harmful media, flammable and explosive media, and nuclear energy media, especially tank bottom valves for transportation vehicles, have limited ability to prevent collisions and prevent leakage, and tanker rollovers often occur Accidents collide with the bottom valve of the tank, causing leakage, damaging the environment, and causing casualties

Method used

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  • Special tank bottom core tube valve with double valve bodies
  • Special tank bottom core tube valve with double valve bodies
  • Special tank bottom core tube valve with double valve bodies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] See attached Figures 1 to 7 , the double valve body special tank bottom core pipe valve described in this embodiment; the valve core pipe 1 wrapped in the inner cavity 8' of the outer valve body 8 is a fixed piece that runs through the valve from top to bottom on the same axis perpendicular to the ground The sleeve tube I2' of the body 2, the inner cavity 200 of the valve body 2, and the sleeve tube II2" of the valve body 2; the middle part of the valve core tube 1 has an axial partition 100, and the partition layer 100 is radially radiated from the inner core and the core tube 1 The two axial end faces of the inner core of the interlayer 100 are tongue-shaped triangular slope surfaces 100'; the axially adjacent two sides of the interlayer 100 are respectively two symmetrically arranged input section 1' and output section 1". radial flow hole 103; the sealing surface of the annular valve core 101 surrounding the interlayer 100 is a two-way slope surface and the annular ...

Embodiment 2

[0048] See attached Figures 8 to 16 , the double valve body special tank bottom core pipe valve described in this embodiment; the valve core pipe 1 wrapped in the inner cavity 8' of the outer valve body 8 is a fixed piece that runs through the valve from top to bottom on the same axis perpendicular to the ground The sleeve tube I2' of the body 2, the inner cavity 200 of the valve body 2, and the sleeve tube II2" of the valve body 2; the middle part of the valve core tube 1 has an axial partition 100, and the partition layer 100 is radially radiated from the inner core and the core tube 1 The two axial end faces of the inner core of the partition 100 are spherical; the axially adjacent two sides of the partition 100 are respectively four uniformly arranged radial flow holes 103 of the input section 1' and the output section 1". The sealing surface of the annular valve core 101 surrounding the interlayer 100 is a circular arc slope and the annular valve seat 201 at the throat o...

Embodiment 3

[0063] See attached Figures 17 to 25 , the double valve body special tank bottom core tube valve described in this embodiment; the valve core tube 1 wrapped in the inner cavity 8' of the outer valve body 8 is the sleeve tube I2' coaxially penetrating the valve body 2 with the fixing part The inner cavity 200 of the valve body 2 and the sleeve tube II 2" of the valve body 2; the middle part of the valve core tube 1 has an axial partition 100, and the partition 100 is composed of the inner core and the middle pipe section of the valve core tube 1 radially radiating from the inner core. The two axial end faces of the inner core of 100 are tongue-shaped triangular slope surfaces 100'; the axially adjacent two sides of the partition 100 are respectively two uniformly arranged radial flow holes 103 of the input section 1' and the output section 1"; The sealing surface of the annular valve core 101 surrounding the partition 100 is a two-way slope and forms a sealing pair with the an...

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PUM

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Abstract

The invention relates to a special tank bottom core tube valve with double valve bodies. A valve core tube coated in an inner cavity of an outer valve body is composed of a sleeve I, a fixed part of which penetrates the valve body coaxially, an inner cavity of the valve body and a sleeve II of the valve body. An axial interlayer is arranged in the middle of the valve core tube, and at least one radial circulating hole of an input section and an output section is arranged on each of axial adjacent two sides of the interlayer; an annular valve core surrounding the interlayer and an annular valveseat of at least one sleeve throat of the sleeves I and II form a sealing pair, and a seal ring surrounding the interlayer and an annular inner wall of at least one of the sleeves I and II form an auxiliary sealing pair; the difference of outer diameters of the input section and the output section is greater than or equal to 0, and the input section and the sleeve I and the output section and thesleeve II are in axial hole type fit, and combining parts are provided with seals; heads of arranged valve rods penetrate the outer valve body and the inner cavity and are connected to the end part of the sleeve II, and under the action of potential energy in two directions, the valve body moves in a reciprocating manner in the axial direction in the inner cavity of the outer valve to open and close. The special tank bottom core tube valve is simple, firm, safe, reliable and leakage-free.

Description

technical field [0001] The double valve body special tank bottom core pipe valve of the present invention belongs to the field of valves, and is a sub-series of the double valve body core pipe valve plate in the core pipe valve mother series invented by myself. Background technique [0002] At present, tank bottom valves used in various precious media, toxic and harmful media, flammable and explosive media, and nuclear energy media, especially tank bottom valves for transportation vehicles, have limited ability to prevent collisions and prevent leakage, and tanker rollovers often occur Accidents collide with the bottom valve of the tank, causing leakage, damaging the environment, and causing casualties. Contents of the invention [0003] The object of the present invention is to provide a double valve body special tank bottom core pipe valve, which overcomes the shortcomings of existing tank bottom valves and ensures the needs of production, safety, environment and energy ...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/32F16K31/44F16K41/10
CPCF16K1/00F16K1/32F16K31/44F16K41/10
Inventor 卢星霖
Owner 卢星霖