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High-temperature and high-pressure composite material slagging ball valve assembly

A high-temperature and high-pressure ball valve technology, which is applied in the field of high-pressure slag discharge ball valves and high-temperature combined materials, can solve problems such as economic loss and reduce the service life of the two valves, and achieve the effects of increasing service life, improving service life and reducing production costs

Active Publication Date: 2014-04-09
ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the service life of the two valves is greatly reduced due to the influence of dust accumulation in the cavity between the two valve cores, resulting in significant economic losses.

Method used

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  • High-temperature and high-pressure composite material slagging ball valve assembly
  • High-temperature and high-pressure composite material slagging ball valve assembly
  • High-temperature and high-pressure composite material slagging ball valve assembly

Examples

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Embodiment Construction

[0028] see image 3 , the composite material high temperature and high pressure slag discharge ball valve of the present invention includes a high temperature wear-resistant O-type ball valve 3, a flange sealing gasket 4, a high-temperature wear-resistant V-type ball valve 5, and a stud nut 6. The high-temperature wear-resistant O-type ball valve 3 The stud bolt nut 6 is connected with the high temperature and wear-resistant V-shaped ball valve 5 to form an integrated control valve, forming a combined material high-temperature and high-pressure slag discharge ball valve. A flange sealing gasket 4 is provided to ensure the sealing of the combined valve. The high-temperature wear-resistant O-type ball valve 3 has a single valve seat structure, the valve seat is arranged on the medium inlet side, and the outlet side valve cavity is designed as an arc transition structure, so that the medium flows in the valve cavity without dead angle. The high temperature wear-resistant V-shape...

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Abstract

The invention discloses a high-temperature and high-pressure composite material slagging ball valve assembly which comprises a high-temperature wear-resisting O-shaped ball valve, a flange sealing gasket, a high-temperature wear-resisting V-shaped ball valve and a stud nut, wherein the high-temperature wear-resisting O-shaped ball valve and the high-temperature wear-resisting V-shaped ball valve are connected through the stud nut to form a combination valve, and the flange sealing gasket is further arranged between the high-temperature wear-resisting O-shaped ball valve and the high-temperature wear-resisting V-shaped ball valve; the high-temperature wear-resisting O-shaped ball valve is of a single-valve-seat structure, the valve body of the high-temperature wear-resisting O-shaped ball valve is of a half-splitting type central symmetry structure, the high-temperature wear-resisting O-shaped ball valve is mounted on the medium outlet side to serve as a sealing valve, and the high-temperature wear-resisting V-shaped ball valve is of a one-way sealing structure and is mounted on the medium inlet side to serve as a separation valve. The high-temperature and high-pressure composite material slagging ball valve assembly has the advantages of being good in wear resistance, good in sealing performance, long in service life and resistant to high temperature and high pressure.

Description

【Technical field】 [0001] The invention relates to the technical field of high-temperature and high-pressure slag discharge ball valves for composite materials, and is particularly suitable for control valves for high-temperature solid particles or powdered media such as coal slag and pulverized coal in industries such as coal chemical industry. 【Background technique】 [0002] my country is vigorously developing the coal chemical industry. The ash fusion fluidized bed pulverized coal gasification technology is an advanced coal gasification patented technology developed by my country. In this device, the gasifier is the key equipment, and the slag discharge, The working condition of the ash discharge system is very bad. The system not only has high temperature (up to 1000 ℃ in a short time), high pressure difference, and the medium is in solid particle or powder state, the performance requirements of the valve are very high, requiring the valve to have wear resistance, corrosio...

Claims

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Application Information

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IPC IPC(8): F16K5/06F16K5/20F16K49/00F16K41/02
CPCF16K5/0605F16K5/0657F16K5/0694F16K27/067F16K49/00
Inventor 李伟董庭鸿李俊王加明粟飞
Owner ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE
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