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A self-control valve for anti-failure high-temperature dusty gas

A self-control valve, anti-failure technology, applied in the valve's device for absorbing fluid energy, lift valve, valve details, etc., can solve problems such as aging of valve core sealing ring, valve jamming damage, affecting sealing performance, etc. Contact surface, prolong life, and enhance sealing effect

Active Publication Date: 2021-10-01
SUZHOU BORUI AUTOMATIC CONTROL VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The industrial field often involves valves with high temperature, low pressure, and dusty gas. Most of the existing technologies are to replace ordinary butterfly valves, gate valves and other valves with high temperature resistant materials, and such valves are prone to deformation of the valve stem during actual use, thus The valve is stuck and damaged, and when the valve core is opened, the high-temperature dusty airflow washes the valve core for a long time, causing the sealing ring on the valve core to age and affecting the sealing performance

Method used

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  • A self-control valve for anti-failure high-temperature dusty gas
  • A self-control valve for anti-failure high-temperature dusty gas
  • A self-control valve for anti-failure high-temperature dusty gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1-2 As shown, a self-control valve for preventing failure of high-temperature dusty gas includes a cylinder 6, the cylinder 6 is fixed on the valve cover 4 through the bracket 5, and the piston rod of the cylinder 6 is fixedly connected with the valve rod 9 of the valve cover 4 passing through the valve cover 4. , the bonnet 4 is fixedly connected with the valve body 3, the end of the valve stem 9 located in the valve body 3 is fixedly connected with the valve core 8, the valve stem 9 and the valve core 8 are provided with a through passage, and the outside of the valve body 3 is fixedly connected with water tank 1.

[0043] The cylinder 6 connects the valve stem 9 and the valve core 8, and the movement of the valve stem 9 and the valve core 8 is controlled by the movement of the cylinder 6, so that the valve core 8 moves in the valve body 3 to realize the opening or closing of the valve body 3. The water tank 1 and the flow channel are arranged on the ...

Embodiment 2

[0045] Such as Figure 1-4 As shown, a self-control valve for preventing failure of high-temperature dusty gas includes a cylinder 6, the cylinder 6 is fixed on the valve cover 4 through the bracket 5, and the piston rod of the cylinder 6 is fixedly connected with the valve rod 9 of the valve cover 4 passing through the valve cover 4. , the bonnet 4 is fixedly connected with the valve body 3, the end of the valve stem 9 located in the valve body 3 is fixedly connected with the valve core 8, the valve stem 9 and the valve core 8 are provided with a through passage, and the outside of the valve body 3 is fixedly connected with The water tank 1, the flow path includes an inflow groove 901 connected to the inlet port 903 on the side of the valve stem 9, the bottom end of the inflow groove 901 is located inside the valve core 8 and communicates with the return groove 902, the top of the return groove 902 communicates with the return port 904, the inflow groove 901, The cross sectio...

Embodiment 3

[0048] Such as Figure 1-8 As shown, a self-control valve for preventing failure of high-temperature dusty gas includes a cylinder 6, the cylinder 6 is fixed on the valve cover 4 through the bracket 5, and the piston rod of the cylinder 6 is fixedly connected with the valve rod 9 of the valve cover 4 passing through the valve cover 4. , the bonnet 4 is fixedly connected with the valve body 3, the end of the valve stem 9 located in the valve body 3 is fixedly connected with the valve core 8, the valve stem 9 and the valve core 8 are provided with a through passage, and the outside of the valve body 3 is fixedly connected with In the water tank 1, the valve body 3 is provided with a rotating plate 11 that is rotationally connected to the valve body 3 through a shaft 301. The rotating plate 11 is slidingly connected to the edge of the valve core 8. The upper surface of the rotating plate 11 is attached to the upper inner wall of the valve body 3. The top of the rotating plate 11 ...

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Abstract

The invention provides a self-control valve for preventing failure of high-temperature dust-containing gas, which relates to the field of fluid transportation, and includes a cylinder, the cylinder is fixed on the valve cover through a bracket, and the piston rod of the cylinder is fixed to the valve rod of the valve cover passing through the valve cover. connected, the valve cover is fixedly connected with the valve body, one end of the valve stem located in the valve body is fixedly connected with the valve core, the valve stem and the valve core are provided with a through flow channel, and the outside of the valve body is fixedly connected with a water tank, In the present invention, the cooling method of circulating water is adopted to reduce the temperature of the valve stem, and a water tank is installed outside the valve body to cool the valve body, so as to prevent the valve body from being heated and deformed by high-temperature gas, thereby ensuring normal operation and prolonging the life of the valve body. A rotary plate connected to the valve body is installed inside, and the rotary plate is slidingly connected with the valve core, and the rotary plate is driven by the movement of the valve core to rotate. When the valve is opened, the rotary plate fits with the upper side of the valve body to avoid dust The high temperature gas directly flushes the valve core to protect the valve core.

Description

technical field [0001] The invention relates to the field of fluid transportation, in particular to an automatic control valve for preventing failure of high-temperature dust-containing gas. Background technique [0002] Valves are widely used in petroleum, chemical industry, metallurgy, electric power, water treatment and other production fields, mainly to control the on and off of fluid. The industrial field often involves valves with high temperature, low pressure, and dusty gas. Most of the existing technologies are to replace ordinary butterfly valves, gate valves and other valves with high temperature resistant materials, and such valves are prone to deformation of the valve stem during actual use, thus The valve is stuck and damaged, and when the valve core is opened, the high-temperature dusty airflow washes the valve core for a long time, causing the sealing ring on the valve core to age and affecting the sealing performance. Contents of the invention [0003] Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K49/00F16K1/00F16K1/32F16K1/36F16K1/46F16K47/02
CPCF16K1/00F16K1/32F16K1/36F16K1/46F16K47/023F16K49/007
Inventor 程耀森
Owner SUZHOU BORUI AUTOMATIC CONTROL VALVE CO LTD
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