Straight-through type pneumatic discharging valve

A discharge valve, straight-through technology, used in sliding valves, multi-port valves, valve details, etc., can solve the problems of hidden safety hazards, inconvenient applications, inconvenient installation, etc., to achieve control and reliability, simple and compact structure, and manufacturing costs. low effect

Active Publication Date: 2014-02-26
CHINA WUZHOU ENG GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most widely used is the expansion valve, because the structure of the expansion valve is complex and bulky, it is not easy to install; the liquid flows through a long process path, resulting in a large pressure loss, and the complex structure inevitably leads to precipitation, which causes the inner wall and top of the valve to The friction force between the rods increases, making it prone to danger
[0003] Due to the limitation of the structure, the ball valve is easy to cause the extrusion friction of the material, which makes the internal friction of the ball valve increase and cause danger, causing safety hazards, and is not widely used.

Method used

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Embodiment Construction

[0015] The preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0016] Such as figure 1 , 2 As shown, a straight-through pneumatic discharge valve includes a piston rod 18, a lower end cover 16, a first sealing ring 3, a piston 4, a magnetic ring 15, a cylinder barrel 5, an upper end cover 6, and a second sealing ring 7. The piston rod 18 is a hollow pipe with a closed upper end and an open lower end. Four feeding materials 10 are evenly distributed in the circumferential direction of the upper part of the piston rod 18. The four feeding materials 10 are all tapered holes, and the diameter of the lower end of the tapered hole is 25mm. The angle is 60°, the middle part of the piston rod 18 is provided with a shaft shoulder, and the piston 4 is fixed on the shaft shoulder of the piston rod 18 through a circlip; the magnetic ring 15 is stuck on the piston 4, and the width of the magnetic ring 15 is 3-5mm,...

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Abstract

The invention belongs to the technical field of chemical equipment, and particularly relates to a straight-through type pneumatic discharging valve. The straight-through type pneumatic discharging valve comprises a piston rod, a lower end cover, a first sealing ring, a piston, a magnetic ring, an air cylinder, an upper end cover and a second sealing ring. The piston is fixed to a shaft shoulder of the piston rod through a clamp spring. The magnetic ring is clamped on the piston. An air inlet is formed in the outer circle of the lower end cover. The lower end cover is connected with a flange of an external connecting device through a bolt. An exhaust port is formed in the upper end cover. The upper end cover is connected with the bottom of an external container through a bolt. Two leakage detecting openings are formed in the upper end cover. The upper end cover and the lower end cover are connected with the air cylinder through double-screw bolts respectively. The straight-through type pneumatic discharging valve is small in size, convenient to install, low in manufacturing cost, convenient to control, reliable in control, high in response speed and small in loss of pressure.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a straight-through pneumatic discharge valve. Background technique [0002] In the automatic production process of explosives, the commonly used discharge valves include expansion valves and ball valves. The most widely used is the expansion valve, because the structure of the expansion valve is complex and bulky, it is not easy to install; the liquid flows through a long process path, resulting in a large pressure loss, and the complex structure inevitably leads to precipitation, which causes the inner wall and top of the valve to The frictional force between the rods increases, thereby easily causing danger. [0003] Due to the limitation of the structure, the ball valve is easy to cause the extrusion friction of the material, which makes the internal friction of the ball valve increase and cause danger, causing safety hazards, and is not widely used. ...

Claims

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Application Information

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IPC IPC(8): F16K31/122F16K3/02F16K3/30
CPCF16K11/07F16K31/122F16K41/04
Inventor 吴超戴光昭王公宁南小妮于小京
Owner CHINA WUZHOU ENG GRP
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