CN214699321U

CN214699321U - Switching valve for waste gas treatment device

Info

Publication number: CN214699321U
Application number: CN202120870019.7U
Authority: CN
Inventors: 刘楠; 徐国才; 王栋; 张小宝
Original assignee: Shandong Lanchi Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shandong Lanchi Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-12
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a used switching valve of exhaust-gas treatment device, including horizontal pipeline, be located the vertical pipeline of horizontal pipeline bottom for with the through-hole of horizontal pipeline and vertical pipeline intercommunication, the top fixedly connected with carriage of horizontal pipeline, the top fixedly connected with cylinder of carriage. The utility model discloses a cylinder drives vertical motion about the valve plate, when the valve plate breaks away from the contact with horizontal pipeline, gaseous vertical pipeline entering horizontal pipeline can be followed to gaseous, the switching of gas flow direction has been realized, inside through at horizontal pipeline sets up the bearing seal, can improve the leakproofness of horizontal pipeline by a wide margin, pneumatic promotion form, moreover, the steam generator is simple in structure, easily overhaul, frequent switch, adopt mechanical seal's mode to seal adjacent pipeline, make the gas leakage rate be less than 0.5%, the mode of having solved current different pipeline interconnect is comparatively single, sealed effect is relatively poor, produce the gap easily after the closure, the problem of exhaust-gas treatment qualification rate has seriously been influenced.

Description

Switching valve for waste gas treatment device

Technical Field

The utility model relates to a waste gas treatment device technical field specifically is an used switching valve of waste gas treatment device.

Background

Must utilize the switching valve to switch each other between different pipelines and handle its inside of transporting to exhaust treatment device before partial harmful gas discharges, but current different pipeline interconnect's mode is comparatively single, and sealed effect is relatively poor, produces the gap easily after the closure, has seriously influenced the exhaust-gas treatment qualification rate.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide an used switching valve of exhaust treatment device possesses the advantage that improves switching valve leakproofness, has solved current different pipeline interconnect's mode comparatively single, and sealed effect is relatively poor, produces the gap easily after the closure, has seriously influenced the problem of exhaust treatment qualification rate.

In order to achieve the above object, the utility model provides a following technical scheme: a switching valve for an exhaust gas treatment device includes a transverse conduit;

the longitudinal pipeline is positioned at the bottom of the transverse pipeline;

a through hole for communicating the transverse pipeline with the longitudinal pipeline;

the improved pipeline sealing device comprises a transverse pipeline, a supporting frame, a cylinder, a sealing material and a shaft seal, wherein the supporting frame is fixedly connected to the top of the transverse pipeline, the cylinder is fixedly connected to the top of the supporting frame, the output end of the cylinder sequentially penetrates through the supporting frame and the transverse pipeline and extends to the inside of the transverse pipeline, a valve plate is fixedly connected to the output end of the cylinder, the sealing material is fixedly installed at the bottom of the valve plate, the bottom of the sealing material is in contact with the bottom of the inner wall of the transverse pipeline, and the shaft seal on the surface of the output end of the cylinder is sleeved with the top of the inner wall of the transverse pipeline.

Preferably, the sealing material is teflon.

As the utility model discloses it is preferred, the inside fixedly connected with support of through-hole, the locating hole has been seted up at the top of support, the output of cylinder runs through the valve plate and extends to the inside of locating hole.

As the utility model discloses it is preferred, the front and the back of horizontal pipeline all communicate there is the manhole, one side fixedly connected with closing plate of horizontal pipeline is kept away from to the manhole.

As the utility model discloses preferred, the material of closing plate is high temperature resistant transparent resin material.

As the utility model discloses preferred, the length of cylinder output is the same with the diameter of horizontal pipeline.

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

1. the utility model discloses a cylinder drives vertical motion about the valve plate, when the valve plate breaks away from the contact with horizontal pipeline, gaseous vertical pipeline entering horizontal pipeline can be followed to gaseous, the switching of gas flow direction has been realized, inside through at horizontal pipeline sets up the bearing seal, can improve the leakproofness of horizontal pipeline by a wide margin, pneumatic promotion form, moreover, the steam generator is simple in structure, easily overhaul, dismantle, frequent switch, the fault rate is low, adopt mechanical seal's mode to seal adjacent pipeline, make the gas leakage rate be less than 0.5%, the mode of having solved current different pipeline interconnect is comparatively single, sealed effect is relatively poor, produce the gap easily after the closure, the problem of exhaust-gas treatment qualification rate has seriously been influenced.

2. The utility model discloses a teflon is as sealing material, can improve the high temperature resistance effect of sealing material by a wide margin, and teflon's coefficient of friction is extremely low moreover, so sealed effect is better.

3. The utility model discloses a set up support and locating hole, can lead to spacingly to the output of cylinder, avoid the output of cylinder to incline at the removal in-process, lead to the skew to appear in the valve plate.

4. The utility model discloses a set up manhole and closing plate, can the person of facilitating the use change sealing material, can improve the maintenance efficiency of horizontal pipeline.

5. The utility model discloses a closing plate is made to high temperature resistant transparent resin, can reduce the manufacturing cost of closing plate, and convenient to use person observes the inside of horizontal pipeline simultaneously.

6. The utility model discloses a length to the cylinder is injectd, can improve the pneumatic supporting effect of cylinder, the gap appears between avoiding valve plate and the horizontal pipeline of very big degree.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the main view structure of the present invention.

In the figure: 1. a transverse conduit; 2. a longitudinal conduit; 3. a through hole; 4. a support frame; 5. a cylinder; 6. a valve plate; 7. a sealing material; 8. shaft sealing; 9. a support; 10. positioning holes; 11. a manhole; 12. and (7) sealing the plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the switching valve for an exhaust gas treatment device provided by the present invention comprises a transverse pipeline 1;

a longitudinal pipeline 2 positioned at the bottom of the transverse pipeline 1;

a through hole 3 for communicating the transverse pipe 1 with the longitudinal pipe 2;

the top fixedly connected with carriage 4 of horizontal pipeline 1, the top fixedly connected with cylinder 5 of carriage 4, the output of cylinder 5 runs through carriage 4 and horizontal pipeline 1 in proper order and extends to the inside of horizontal pipeline 1, the output fixedly connected with valve plate 6 of cylinder 5, the bottom fixed mounting of valve plate 6 has sealing material 7, the bottom of sealing material 7 contacts with the bottom of 1 inner wall of horizontal pipeline, the top fixedly connected with cover of 1 inner wall of horizontal pipeline is established at the bearing seal 8 on cylinder 5 output surface.

Referring to fig. 3, the sealing material 7 is teflon.

As a technical optimization scheme of the utility model, regard as sealing material 7 through the teflon, can improve sealing material 7's high temperature resistance effect by a wide margin, the coefficient of friction of teflon is extremely low moreover, so sealed effect is better.

Referring to fig. 3, a support 9 is fixedly connected to the inside of the through hole 3, a positioning hole 10 is formed in the top of the support 9, and the output end of the air cylinder 5 penetrates through the valve plate 6 and extends into the positioning hole 10.

As a technical optimization scheme, through setting up support 9 and locating hole 10, can lead to spacingly to the output of cylinder 5, avoid the output of cylinder 5 to incline at the removal in-process, lead to the skew to appear in valve plate 6.

Referring to fig. 1, the front and back of the transverse pipeline 1 are both communicated with a manhole 11, and a sealing plate 12 is fixedly connected to one side of the manhole 11 far away from the transverse pipeline 1.

As a technical optimization scheme of the utility model, through setting up manhole 11 and closing plate 12, can the person of facilitating the use change sealing material 7, can improve the maintenance efficiency of horizontal pipeline 1.

Referring to fig. 1, the sealing plate 12 is made of a high temperature resistant transparent resin material.

As a technical optimization scheme of the utility model, make closing plate 12 through high temperature resistant transparent resin, can reduce closing plate 12's manufacturing cost, convenient to use person observes transverse pipeline 1's inside simultaneously.

Referring to fig. 3, the length of the output end of the cylinder 5 is the same as the diameter of the transverse conduit 1.

As a technical optimization scheme of the utility model, prescribe a limit to through the length to cylinder 5, can improve the pneumatic supporting effect of cylinder 5, the gap appears between avoiding valve plate 6 and the horizontal pipeline 1 of very big degree.

The utility model discloses a theory of operation and use flow: during the use, the user carries waste gas through horizontal pipeline 1 or vertical pipeline 2, and when needs communicate each other to horizontal pipeline 1 or vertical pipeline 2, cylinder 5 drives valve plate 6 vertical motion from top to bottom, and when valve plate 6 and horizontal pipeline 1 break away from the contact, gas can get into horizontal pipeline 1 from vertical pipeline 2, has realized that the gas flow direction switches.

In summary, the following steps: this used switching valve of exhaust treatment device, drive the vertical motion about the valve plate 6 through cylinder 5, when valve plate 6 breaks away from the contact with horizontal pipeline 1, gaseous can follow vertical pipeline 2 and get into horizontal pipeline 1, the switching of gas flow direction has been realized, through setting up bearing seal 8 in the inside of horizontal pipeline 1, can improve the leakproofness of horizontal pipeline 1 by a wide margin, the pneumatic promotion form, moreover, the steam generator is simple in structure, easy maintenance, the dismantlement, frequent switch, the fault rate is low, adopt mechanical seal's mode to seal adjacent pipeline, make the gas leakage rate be less than 0.5%, it is comparatively single to have solved current different pipeline interconnect's mode, sealed effect is relatively poor, produce the gap easily after the closure, the problem of exhaust treatment qualification rate has seriously been influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A switching valve for an exhaust gas treatment device comprises a transverse pipe (1);

a longitudinal pipeline (2) positioned at the bottom of the transverse pipeline (1);

a through hole (3) for communicating the transverse pipeline (1) with the longitudinal pipeline (2);

the method is characterized in that: the top fixedly connected with carriage (4) of horizontal pipeline (1), top fixedly connected with cylinder (5) of carriage (4), the output of cylinder (5) runs through carriage (4) and horizontal pipeline (1) in proper order and extends to the inside of horizontal pipeline (1), the output fixedly connected with valve plate (6) of cylinder (5), the bottom fixed mounting of valve plate (6) has sealing material (7), the bottom of sealing material (7) and the bottom contact of horizontal pipeline (1) inner wall, the top fixedly connected with cover of horizontal pipeline (1) inner wall is established at bearing seal (8) on cylinder (5) output surface.

2. The switching valve for an exhaust gas treatment device according to claim 1, wherein: the sealing material (7) is Teflon.

3. The switching valve for an exhaust gas treatment device according to claim 1, wherein: the inside fixedly connected with support (9) of through-hole (3), locating hole (10) have been seted up at the top of support (9), the output of cylinder (5) runs through valve plate (6) and extends to the inside of locating hole (10).

4. The switching valve for an exhaust gas treatment device according to claim 1, wherein: the front and the back of the transverse pipeline (1) are both communicated with a manhole (11), and one side of the manhole (11) far away from the transverse pipeline (1) is fixedly connected with a sealing plate (12).

5. The switching valve for an exhaust gas treatment device according to claim 4, wherein: the sealing plate (12) is made of high-temperature-resistant transparent resin material.

6. The switching valve for an exhaust gas treatment device according to claim 1, wherein: the length of the output end of the air cylinder (5) is the same as the diameter of the transverse pipeline (1).