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A thermal insulation device for heat-resistant high-temperature and high-pressure electromagnetic stop valve inside and outside the screen

A cut-off valve, high temperature resistant technology, applied in the direction of valve heating/cooling device, valve device, valve details, etc., can solve the problem of not being able to meet long-term use

Active Publication Date: 2017-02-01
ANSHAN SOLENOID VALVE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the electrical insulation materials (such as enameled wire, insulating varnish, polyimide film, etc.) used in domestic electromagnetic globe valves can only guarantee the long-term use at 220°C, which obviously cannot meet the requirements of long-term use at 360°C. Require

Method used

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  • A thermal insulation device for heat-resistant high-temperature and high-pressure electromagnetic stop valve inside and outside the screen

Examples

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Embodiment Construction

[0044] A high-temperature and high-pressure electromagnetic stop valve inner screen and outer heat insulation device, including a guide body 1, a valve sleeve 2, a coil outer shell 6, a non-magnetic tube 7, a coil assembly 8, a valve stem 11, a moving iron core 4 and an insulating The thermal sleeve 12 is characterized in that:

[0045] The lower end surface of the valve sleeve 2 is provided with a guide body groove 13, the upper end of the valve sleeve 2 is provided with a non-magnetic pipe jack 14 with an internal thread, and the center of the valve sleeve 2 is provided with a through hole 15 for a heat-insulating sleeve. The heat insulation sleeve 12 is installed in the heat insulation sleeve through hole 15, the heat insulation sleeve 12 has a first valve stem through hole 16, the guide body 1 has a second valve stem through hole 17, and the guide body 1 is installed in the guide body concave. In the groove 13, the valve stem 11 is loaded into the first valve stem through ...

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PUM

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Abstract

A high temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device comprises a guiding body, a valve bush, a coil outer housing, a nonmagnetic tube, a coil component, a valve rod, a moving magnet and a heat insulation sleeve, wherein a guiding body groove is formed in the lower end face of the valve bush, a nonmagnetic tube inserting hole with an inner thread is formed in the outer end of the valve bush, a heat insulation sleeve through hole is formed in the center of the valve bush, the heat insulation sleeve is installed in the heat insulation sleeve through hole, the heat insulation sleeve is provided with a first valve rod through hole, the guiding body is provided with a second valve rod through hole, the guiding body is installed in the guiding body groove, the valve rod is installed in the first valve rod through hole and the second valve rod through hole, the coil outer housing is installed at the upper end of the valve bush, the coil outer housing is connected with the valve bush through threads, the nonmagnetic tube is installed in an inner cavity of the coil outer housing, the lower end of the nonmagnetic tube is connected with the nonmagnetic tube inserting hole at the upper end of the valve bush through threads, and the moving magnet is installed in the nonmagnetic tube. The high temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device is large in heat dissipation area, good in heat dissipation effect, and strong in heat insulation function, and thereby can improve safety and reliability of a whole electromagnetism driving stop valve.

Description

technical field [0001] The invention relates to a valve, in particular to an electromagnetic stop valve, which is widely used in nuclear power, petrochemical, metallurgy and other technical fields. The valve is resistant to high temperature and high pressure, and can improve the safety and reliability of the entire electromagnetic globe valve. Background technique [0002] Small size and light weight are the two very important advantages of electromagnetic globe valves, so this product is widely used in piping systems and control systems in nuclear power, petrochemical and metallurgical fields, and is also an important pipe in these systems. The circuit accessories are used to control the connection, blocking or reversing of the pipeline medium. [0003] Compared with other types of valves, the electromagnetic globe valve is characterized in that the product includes both a mechanical valve part and an electromagnetic drive part, and the two cannot be separated. In the abo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K41/02F16K49/00F16K51/00
CPCF16K49/005
Inventor 曹月秋顾国兴吴松邱健石峰曹润丰纪永武
Owner ANSHAN SOLENOID VALVE
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