Downward-expanding type emptying valve

A discharge valve, valve cavity technology, applied in the direction of lift valve, valve details, valve device, etc., can solve the problem that it is difficult to achieve the anti-stringing effect, achieve good anti-stringing effect, reduce pressure, and good sealing effect. Effect

Pending Publication Date: 2022-01-07
ZHEJIANG SUPCON FLUID TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The discharge valves in the prior art are generally upward or downward discharge valves, but both the upward and downward discharge valves only seal the upstream inlet of the valve, and it is difficult to achieve good anti-cross-flow Effect

Method used

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  • Downward-expanding type emptying valve
  • Downward-expanding type emptying valve

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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that the drawings are all in very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0034] The core of the present invention is to provide a downward expansion discharge v...

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Abstract

The invention discloses a downward-expanding type emptying valve which comprises: a valve body including a first valve cavity, a second valve cavity and a third valve cavity, wherein the first valve cavity, the second valve cavity and the third valve cavity are communicated; a guide rod which is located in the third valve cavity, wherein one end of the guide rod extends out of the end of the third valve cavity and is connected with a driving mechanism of the emptying valve; a first valve element assembly which is located in the first valve cavity and hinged to the guide rod; and a second valve element assembly which is located in the second valve cavity and hinged to the guide rod. A double-valve-element assembly is arranged, an upstream material opening and a downstream material opening can be sealed, and therefore, the good material mixing prevention effect is achieved; According to the downward-expanding type emptying valve, the first valve cavity and the second valve cavity are both arranged to be in the horn mouth shape, the surface of the valve element is arranged to be the arc-shaped face, the valve element and the valve rod are connected in a clearance fit mode, and during operation, the valve element can be self-aligned to rapidly and stably close a port of the valve cavity.

Description

technical field [0001] The invention belongs to the technical field of discharging valves, and in particular relates to a downward-expanding discharging valve. Background technique [0002] Discharging valve, as the name suggests, is a valve for discharging materials, which is mainly installed at the bottom of reaction kettles, oil tanks, food tanks, chemical tanks, etc. to play the role of discharging and sampling. For many chemical companies, there are reaction kettles, which contain materials for reaction, and the materials need to be discharged after the reaction. [0003] The discharge valve is an important part in the structure of the reactor. It plays the role of controlling the closed pressurized reaction of the chemical material in the reactor and correctly opening the discharge port to discharge the material after the reaction, without affecting the materials in the reactor. Mixes completely and reacts completely. However, in more and more chemical plants, the sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/14F16K1/36F16K1/32F16K27/02F16K41/02
CPCF16K1/14F16K1/36F16K1/32F16K27/0245F16K41/02
Inventor 商喆威周清平张坤楚志雷王天恩
Owner ZHEJIANG SUPCON FLUID TECH
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