CN213575645U

CN213575645U - Special gate valve for desulfurization and denitrification

Info

Publication number: CN213575645U
Application number: CN202022631788.XU
Authority: CN
Inventors: 徐晓燕
Original assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Current assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Priority date: 2020-11-15
Filing date: 2020-11-15
Publication date: 2021-06-29
Anticipated expiration: 2030-11-15

Abstract

The utility model discloses a special gate valve of SOx/NOx control, the fruit pick-up device comprises a frame body, sliding connection has the flashboard in the framework, the mid portion fixedly connected with limiting plate of framework, limiting plate and flashboard phase-match, the inside wall of framework is equipped with and is used for carrying out the first sealing mechanism sealed to the lateral wall about the flashboard, the inside wall of framework is equipped with and is used for carrying out the second sealing mechanism sealed to the lateral wall under the flashboard, the upper end fixed mounting of flashboard has the lift axle, the epaxial outer slip cover of lift is equipped with sliding sleeve, sliding sleeve and framework inside wall fixed connection, the upper end fixed mounting of framework has the control valve that is used for going on going up. The utility model discloses a better just life of leakproofness is longer.

Description

Special gate valve for desulfurization and denitrification

Technical Field

The utility model relates to a slide valve technical field especially relates to special slide valve of SOx/NOx control.

Background

The gate valve is one of the most commonly used cut-off valves, is mainly used for connecting or cutting off the medium in the pipeline, is not used for adjusting the medium flow, and is applied to large ranges of pressure, temperature and diameter, especially to the pipelines with medium and large diameters.

When the existing gate valve is used, the gate plate is in direct abutting contact with the inner wall of the frame body, so that the sealing performance of the gate plate in the reciprocating lifting process is worse and worse, and the service life is short.

Therefore, the gate valve special for desulfurization and denitrification is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing the gate valve special for desulfurization and denitrification.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

special slide valve of SOx/NOx control, the fruit pick-up device comprises a frame body, the internal sliding connection of framework has the flashboard, the mid portion fixedly connected with limiting plate of framework, limiting plate and flashboard phase-match, the inside wall of framework is equipped with and is used for carrying out the first sealing mechanism sealed to the lateral wall about the flashboard, the inside wall of framework is equipped with and is used for carrying out the second sealing mechanism sealed to the lateral wall under the flashboard, the upper end fixed mounting of flashboard has the lift axle, the epaxial outer slip cover of lift is equipped with sliding sleeve, sliding sleeve and framework inside wall fixed connection, the upper end fixed mounting of framework has and is used for carrying out the control valve that.

Preferably, the lower end face and the left and right end faces of the gate are both wedge-shaped.

Preferably, first sealing mechanism includes the first U template with the sealed fixed connection of framework inside wall, two arms that first U template is close to the flashboard are crooked setting, two arms of first U template all offset the contact with the flashboard, the equal fixedly connected with closing plate of two arm lateral wall bends of first U template, the one end that first U template was kept away from to the closing plate all offsets the contact with the flashboard.

Preferably, second sealing mechanism includes the second U template, bottom fixed connection in second U template and the framework, the both arms of second U template all are the bending setting, the both arms of second U template all with the flashboard phase-match.

Preferably, the frame body is located two baffles of inside wall fixedly connected with of limiting plate top part, two the baffle all with the flashboard phase-match.

Preferably, the fixed cover of lower extreme of lift axle is equipped with fixed sleeve, fixed sleeve passes through bolt and flashboard fixed mounting.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up first sealing mechanism and second sealing mechanism, when the slide valve used, the baffle can carry on spacingly to the flashboard for the baffle is in same vertical plane at the lift process, and when the flashboard was located the below, first U template and second U template all with the sealed counterbalance contact of flashboard, the leakproofness is better, after service time has been of a specified duration, the closing plate still can with the sealed counterbalance contact of flashboard, improved the leakproofness of flashboard, prolong its life.

The utility model discloses a better just life of leakproofness is longer.

Drawings

FIG. 1 is a perspective view of the front structure of the gate valve for desulfurization and denitrification provided by the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a perspective view of the side structure of the gate valve for desulfurization and denitrification provided by the present invention;

fig. 5 is an enlarged view at C in fig. 4.

In the figure: the device comprises a frame body 1, a flashboard 2, a limiting plate 3, a first sealing mechanism 4, a second sealing mechanism 5, a lifting shaft 6, a sliding sleeve 7, a control valve 8, a first U-shaped plate 9, a sealing plate 10, a second U-shaped plate 11, a baffle plate 12 and a fixing sleeve 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the special gate valve of SOx/NOx control, including framework 1, sliding connection has flashboard 2 in framework 1, it is concrete, both ends face all is the wedge setting about the lower terminal surface of flashboard 2, framework 1's mid portion fixedly connected with limiting plate 3, limiting plate 3 and flashboard 2 phase-match, framework 1's inside wall is equipped with and is used for carrying out the first sealing mechanism 4 that seals to the lateral wall about flashboard 2, it is required to explain, first sealing mechanism 4 includes the first U template 9 with the sealed fixed connection of framework 1 inside wall, two arms that first U template 9 is close to flashboard 2 are crooked setting, two arms of first U template 9 all contact with flashboard 2 counterbalance, the equal fixedly connected with closing plate 10 of two arm lateral wall bends of first U template 9, the one end that first U template 9 was kept away from to closing plate 10 all contacts with flashboard 2 counterbalance.

In the utility model, the inner side wall of the frame body 1 is provided with a second sealing mechanism 5 for sealing the lower side wall of the flashboard 2, it is worth mentioning that the second sealing mechanism 5 comprises a second U-shaped board 11, the second U-shaped board 11 is fixedly connected with the bottom in the frame body 1, two arms of the second U-shaped board 11 are both in a bending arrangement, two arms of the second U-shaped board 11 are both matched with the flashboard 2, the upper end of the flashboard 2 is fixedly provided with a lifting shaft 6, it is worth mentioning that the lower end of the lifting shaft 6 is fixedly sleeved with a fixed sleeve 13, the fixed sleeve 13 is fixedly installed with the flashboard 2 through bolts, the outer sliding sleeve of the lifting shaft 6 is sleeved with a sliding sleeve 7, the sliding sleeve 7 is fixedly connected with the inner side wall of the frame body 1, the upper end of the frame body 1 is fixedly provided with a control valve 8 for lifting the lifting shaft 6, it is required to say that the inner side wall of, the two baffles 12 are matched with the flashboard 2.

The utility model discloses in, when the slide valve used, baffle 12 can carry on spacingly to flashboard 2 for baffle 12 is in same vertical plane in the lift process, and when flashboard 2 was located the below, first U template 9 and second U template 11 all with the sealed counterbalance contact of flashboard 2, the leakproofness is better, after the live time was of a specified duration, closing plate 10 still can with the sealed counterbalance contact of flashboard 2, improved the leakproofness of slide valve, prolong its life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The gate valve special for desulfurization and denitrification comprises a frame body (1) and is characterized in that a gate plate (2) is connected in the frame body (1) in a sliding manner, the middle part of the frame body (1) is fixedly connected with a limiting plate (3), the limiting plate (3) is matched with the flashboard (2), the inner side wall of the frame body (1) is provided with a first sealing mechanism (4) for sealing the left side wall and the right side wall of the flashboard (2), a second sealing mechanism (5) for sealing the lower side wall of the flashboard (2) is arranged on the inner side wall of the frame body (1), the upper end of the flashboard (2) is fixedly provided with a lifting shaft (6), a sliding sleeve (7) is sleeved outside the lifting shaft (6) in a sliding manner, the sliding sleeve (7) is fixedly connected with the inner side wall of the frame body (1), and a control valve (8) used for lifting the lifting shaft (6) is fixedly mounted at the upper end of the frame body (1).

2. The special gate valve for desulfurization and denitrification according to claim 1, wherein the lower end surface and the left and right end surfaces of the gate (2) are both wedge-shaped.

3. The special gate valve for desulfurization and denitrification according to claim 1, wherein the first sealing mechanism (4) comprises a first U-shaped plate (9) fixedly connected with the inner side wall of the frame body (1) in a sealing manner, two arms of the first U-shaped plate (9) close to the gate plate (2) are arranged in a bending manner, the two arms of the first U-shaped plate (9) are respectively abutted to the gate plate (2), a sealing plate (10) is fixedly connected to the outer side wall bending parts of the two arms of the first U-shaped plate (9), and one end, far away from the first U-shaped plate (9), of the sealing plate (10) is abutted to the gate plate (2).

4. The special gate valve for desulfurization and denitrification according to claim 1, wherein the second sealing mechanism (5) comprises a second U-shaped plate (11), the second U-shaped plate (11) is fixedly connected with the bottom of the frame body (1), two arms of the second U-shaped plate (11) are arranged in a bending manner, and the two arms of the second U-shaped plate (11) are matched with the gate plate (2).

5. The special gate valve for desulfurization and denitrification according to claim 1, wherein the inner side wall of the frame body (1) above the limiting plate (3) is fixedly connected with two baffles (12), and the two baffles (12) are matched with the gate (2).

6. The gate valve special for desulfurization and denitrification according to claim 1, wherein a fixing sleeve (13) is fixedly sleeved at the lower end of the lifting shaft (6), and the fixing sleeve (13) is fixedly installed with the gate (2) through a bolt.