CN-224229279-U - Novel zero leakage atmoseal poker valve

Abstract

The utility model discloses a novel zero-leakage air seal poker valve, which belongs to the technical field of valves and comprises a valve body, a valve rod and a valve plate, wherein the valve rod and the valve plate are arranged in the valve body, one end of the valve rod is connected with the valve plate, the other end of the valve rod is connected with one end of the valve body through a first sealing seat, the other end of the valve body is provided with an air outlet, a valve seat matched and sealed with the valve plate is arranged at the air outlet, the valve seat comprises an inner valve seat and an outer valve seat which are of annular structures, the outer wall of the inner valve seat is fixed at the air outlet of the valve body through a partition plate, the outer valve seat is arranged on the periphery of the inner valve seat and is fixed on the partition plate, an air seal chamber is formed between the inner valve seat and the outer valve seat, a high-pressure air inlet is arranged on the outer wall of the outer valve seat, and an elastic sealing piece is arranged on the end face of the outer valve seat opposite to the valve plate along the annular surface of the outer valve seat. The utility model solves the technical problems of insufficient air sealing effect, serious air sealing energy consumption waste, escape of a small amount of waste gas, reduced service life of the valve rod and the like in the prior art.

Inventors

• ZANG CHENGLONG
• WEI TAO
• DONG XIAOPING
• XU XUYAO
• Xu Shanyun
• ZHOU LIN
• ZHOU JUN

Assignees

• 江苏大信环境科技有限公司

Dates

Publication Date

20260512

Application Date

20250521

Claims (6)

1. 1. The utility model provides a novel zero leakage air seal poker valve, includes the valve body, sets up valve rod and valve plate in the valve body, valve plate is connected to valve rod one end, and the other end links to each other with valve body one end through first seal seat, the other end of valve body is provided with the air outlet, air outlet department is provided with the disk seat sealed with the valve plate cooperation, a serial communication port, the disk seat is including interior disk seat and the outer disk seat that is annular structure, the outer wall of interior disk seat passes through the baffle to be fixed in valve body air outlet department, the outer disk seat sets up in interior disk seat periphery to fix on the baffle, the terminal surface and the valve plate laminating of interior disk seat, leave the clearance between the terminal surface and the valve plate of outer disk seat, form the air seal room between interior disk seat and the outer disk seat, be provided with highly-compressed air inlet on the outer wall of outer disk seat, be provided with elastic sealing piece along its annular surface on the terminal surface with the outer disk seat just facing with the valve plate.
2. 2. The novel zero-leakage air seal poker valve according to claim 1, wherein a T-shaped groove is formed in the end face of the outer valve seat opposite to the valve plate, and the elastic sealing element is provided with a protrusion which is connected with the T-shaped groove in an adaptive mode.
3. 3. A novel zero-leakage air seal poker valve according to claim 1 or 2, wherein the elastic sealing element is a rubber sealing ring, and the section of the elastic sealing element is in an i-shaped structure.
4. 4. The novel zero-leakage air seal poker valve according to claim 1, wherein a supporting rod for supporting a valve rod is arranged in the valve body, and a roller is arranged on the supporting rod.
5. 5. The novel zero-leakage air seal poker valve according to claim 1, wherein an escape chamber is arranged on the inner side of one end of the valve body connected with the valve rod, the escape chamber is connected with the valve rod through a second sealing seat, and an exhaust gas suction port is formed in the escape chamber.
6. 6. The novel zero-leakage air seal poker valve according to claim 1, wherein the side portion of the valve body is provided with an air inlet.

Description

Novel zero leakage atmoseal poker valve Technical Field The utility model belongs to the technical field of valves, and particularly relates to a novel zero-leakage air seal poker valve. Background In the incinerator system in the environmental protection equipment manufacturing field, because the furnace body structure is special, the gas control component of the incinerator system needs to adopt a plane installation mode to adapt to the space layout of the furnace body wall surface, and is different from a pipeline installation scene, and a three-dimensional structure valve such as a butterfly valve cannot be used, so that a special control valve special for the incinerator system waste gas needs to be configured to realize the efficient control of air intake. Under the background of increasingly severe environmental standards, the treatment requirements of harmful waste gas are continuously improved, and the related valve is required to achieve the control effect of zero leakage in the current market so as to avoid pollution to the environment caused by untreated harmful waste gas, but the related valve has the problems of insufficient durability, poor plane installation suitability and the like of a sealing structure in the long-term use process. The utility model patent number 2016213556265 is applied for by the company to solve the problems, namely a zero leakage air seal poker valve, which comprises a valve body, a valve rod and a valve plate, wherein one end of the valve rod is connected with the valve plate, the other end of the valve rod is connected with one end of the valve body through a sealing seat, an air inlet is formed in the side part of the valve body, a valve seat is arranged at an air outlet of the valve body and consists of an inner valve seat and an outer valve seat, an inner sealing ring is arranged on the inner valve seat, an outer sealing ring is arranged on the outer valve seat, a high-pressure air inlet pipe is arranged on the side wall of the outer valve seat, the valve rod is connected with a support, the support is connected with a guide rod, the guide rod is connected with one end of the valve body, and an air seal chamber is arranged between the inner valve seat and the outer valve seat. The above patent has made great progress in achieving zero-leak sealing by providing an air seal, but during many years of application, it has been found that there are some disadvantages to this structure and improvements are still needed. The valve comprises an inner valve seat and an outer valve seat, wherein the inner valve seat is a part which is matched with a valve plate to realize sealing, the outer valve seat is a part which is matched with the inner valve seat to realize gas sealing, in the production and processing process, the inner valve seat and the end face of the valve plate are tightly attached as much as possible, a certain gap is reserved between the outer valve seat and the valve plate when the valve rod is in a reciprocating motion in the valve body, so that the outer valve seat and the valve plate are prevented from being in hard contact due to processing errors in the processing process, the sealing failure of the inner valve seat and the end part of the valve plate is caused, when the gas sealing is caused by the mode of reserving the gap, high-pressure gas flows out from the gap between the outer valve seat and the valve plate, the gas sealing effect can be still realized, but the gas sealing performance is reduced, meanwhile, the consumption of the valve plate is higher, 2, one end of the valve rod is connected with the valve body, the other end of the valve rod is connected with a driving device, and the joint of the valve rod is connected with the valve body through the sealing seat, but because small amount of waste gas can not escape outwards from the sealing seat in the reciprocating motion process in the valve body, the valve rod can be prevented from influencing the environment of an incinerator system, and 3, the service life of the valve rod is prolonged due to the fact that the valve rod is only supported by the valve rod in the valve body, and the valve rod is stressed by the valve rod is long in the valve body, and the valve rod is only has a long service life, and can be stressed by the valve rod, and can be easily, and can be stressed by the valve rod, if the valve rod is long, and has a long service life is can be caused by the valve rod. Disclosure of Invention The utility model aims to overcome the defects of the technology, and provides a novel zero-leakage air seal poker valve, which solves the technical problems of insufficient air seal effect, serious air seal energy consumption waste, escape of a small amount of waste gas, reduced service life of a valve rod and the like in the prior art. In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: The utility model provides a novel zero leakage ai