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Intelligent stepless air regulating valve

A stepless air and regulating valve technology, applied in the field of regulating valve manufacturing, can solve the problems of poor linearity and regulating accuracy, and achieve the effects of good regulating linearity, convenient installation and use, and long service life

Pending Publication Date: 2021-08-13
江苏润田水工业设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Knife gate valve design is mainly used for on-off adjustment of liquid and gaseous media, with poor linearity and adjustment accuracy

Method used

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  • Intelligent stepless air regulating valve
  • Intelligent stepless air regulating valve
  • Intelligent stepless air regulating valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0040] like Figure 1 to Figure 4 As shown, the intelligent stepless air control valve includes a valve body 1 and a valve core 2 installed in the valve body 1; it is characterized in that the inner cavity of the valve body 1 is in the shape of a stepped tube, including two coaxial sections with different inner diameters. Circular straight tube structure 3;

[0041] Two sections of circular straight pipe structures 3 are communicated through a streamlined inner cavity 4 whose generatrix is ​​an arc;

[0042] The axis of the streamlined inner cavity 4 is coaxial with the axes of the two circular straight pipe structures 3;

[0043] At the connection position between the streamlined inner chamber 4 and the circular straight pipe structure 3 with a smaller inner diameter, the included angle A between the tangent of the generatrix of the streamlined inner chamber 4 and the radial direction of the circular straight pipe structure 3 with a smaller inner diameter is 0 degrees to 30...

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PUM

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Abstract

The invention discloses an intelligent stepless air regulating valve, comprising a valve body and a valve element. An inner cavity of the valve body is in a stepped pipe shape and comprises two sections of circular straight pipe structures with different inner diameters; the two sections of circular straight pipe structures communicate through a streamline inner cavity of which the generatrix is an arc line; an included angle A between the tangent line of the generatrix of the streamline inner cavity and the radius direction of the circular straight pipe structure with the smaller inner diameter is 0-30 degrees at the connecting position of the streamline inner cavity and the circular straight pipe structure with the smaller inner diameter; the appearance of the valve element is a rotating body; and the valve element and the circular straight pipe structure with the small inner diameter are sealed through a sealing ring. According to the invention, fluid, including air, can pass through in a friction-free and low-separation state, and accurate distribution and control of an aeration system in a sewage plant can be realized.

Description

technical field [0001] The invention relates to the technical field of regulating valve manufacturing, in particular to an intelligent stepless air regulating valve. Background technique [0002] In the prior art, common fluid regulating valves mainly include butterfly valves, piston valves / needle valves and knife gate valves. [0003] Among them, the butterfly valve has a double flow channel structure due to the flow cross section, and the flow channel changes irregularly when the valve is switched on and off. The adjustment characteristics and step accuracy are very poor, and linear adjustment cannot be realized. [0004] From its structural form, it can be seen that the rotation of the disc is used for adjustment. During the adjustment process of the valve (especially when the opening is low), huge air turbulence is generated behind the valve, resulting in large unnecessary pressure loss. [0005] Piston valve / needle valve It can be seen from its structural form that the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/02F16K1/32F16K1/36F16K1/54F16K27/02F16K31/50F16K31/53
CPCF16K1/02F16K1/32F16K1/36F16K1/54F16K27/02F16K31/508F16K31/53
Inventor 田鸿彬徐邦举
Owner 江苏润田水工业设备有限公司
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