CN218931051U

CN218931051U - Tongue plate air locking valve

Info

Publication number: CN218931051U
Application number: CN202221366769.1U
Authority: CN
Inventors: 周栋; 马海红; 贾文; 荀玮瑶; 刘冲; 刘凯
Original assignee: Taiyuan Boiler Group Environment Engineering Co ltd
Current assignee: Taiyuan Boiler Group Environment Engineering Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-04-28
Anticipated expiration: 2032-06-02

Abstract

The utility model belongs to the technical field of ash bucket auxiliary tools of ash removers, and particularly relates to a tongue plate air locking valve. Comprising the following steps: the first lower connecting pipe and the second lower connecting pipe are connected with each other through a flange, the side wall of the first lower connecting pipe is communicated with the side wall of the second lower connecting pipe, a tongue plate valve is arranged at the communication port, the first lower connecting pipe is higher than the second lower connecting pipe, the top of the first lower connecting pipe is connected with an ash remover through a flange, the ash remover is a negative pressure system, and the tongue plate valve is tightly attached to the wall surface of the first lower connecting pipe to seal the connecting port; the clapper valve comprises a clapper body made of rubber and a plurality of weight increasing components uniformly distributed on the clapper body, wherein the upper part of the clapper body is arranged on the side wall of the first lower connecting pipe through a fixing component, and the weight increasing components are used for increasing the weight of the clapper body and are at least provided with two groups. The utility model has simple structure, convenient maintenance and strong gas locking performance.

Description

Tongue plate air locking valve

Technical Field

The utility model belongs to the technical field of ash bucket auxiliary tools of ash removers, and particularly relates to a tongue plate air locking valve.

Background

The bottom of the ash bucket of the existing ash remover is connected with a lower connecting pipe and is provided with an ash discharge port, ash is discharged by adopting a rotary valve in ash discharge equipment, the rotary valve is driven by a motor, that is, no matter how much ash is discharged, the motor is always in a working state, on one hand, resource waste is caused, and on the other hand, the structure is complicated, the maintenance is difficult, and the labor intensity of operation and maintenance staff is increased; or a star-shaped discharge valve is adopted, the valve is even in blanking, but is driven by a motor, and damaged parts are difficult to maintain after long-time use; therefore, the flap valve which is not driven by electricity is arranged, but the valve has a complex structure and a large number of mechanical parts, the failure rate of the mechanical parts is increased at the place with a large number of dust discharging holes, and the higher failure rate is not beneficial to long-time use of the dust hopper.

Disclosure of Invention

The utility model overcomes the defects existing in the prior art and provides the tongue plate air locking valve.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a flapper air lock valve comprising: the first lower connecting pipe and the second lower connecting pipe are characterized in that the side wall of the first lower connecting pipe is communicated with the side wall of the second lower connecting pipe, a tongue plate valve is arranged at the communicating port, the first lower connecting pipe is higher than the second lower connecting pipe, the top of the first lower connecting pipe is connected with an ash remover through a flange, the ash remover is a negative pressure system, and the tongue plate valve is tightly attached to the wall surface of the first lower connecting pipe to seal the communicating port;

the clapper valve comprises a clapper body made of rubber materials and a plurality of weight increasing components uniformly distributed on the clapper body, wherein the upper part of the clapper body is arranged on the side wall of the first lower connecting pipe through a fixing component, and the weight increasing components are used for increasing the weight of the clapper body and are at least provided with two groups.

Further, fixed subassembly includes the roof and sets up in the bottom plate of roof below, bottom plate and the relative level setting of roof, the lateral wall fixed connection of one side and the first takeover of roof, the upper surface of bottom plate is provided with first splint, and the inside wall and the lateral wall of roof of first splint are connected, one side interval that first splint deviate from the roof is provided with the second splint, first splint and the vertical setting of second splint and form the wall intermediate layer between the two, the tongue body passes through the bolt to be installed in the wall intermediate layer.

Further, the length of the bottom plate is longer than that of the top plate, and the outer side wall of the first clamping plate is flush with the outer side wall of the bottom plate.

Further, the upper surfaces of the first clamping plate and the top plate are positioned on the same horizontal line.

Further, the weight increasing assembly comprises a gasket A and a gasket B, and the gasket A and the gasket B clamp two sides of the tongue plate body and are fastened through bolts.

Further, the lower part of the side wall of the first lower connecting pipe is provided with a bulge, and the bottom of the tongue plate body is in abutting arrangement with the bulge.

Further, the second lower connecting pipe is provided with an access hole on the side wall deviating from the first lower connecting pipe, and a rotary sealing door is arranged on the access hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the tongue plate valve is arranged at the communication port, the tongue plate body is arranged on the side wall of the first lower connecting pipe through the fixing component, and the weight and hardness of the tongue plate body are increased through the weight increasing component, so that the sealing gas locking property of the tongue plate valve is further ensured.

2. The utility model has the advantages of simple integral structure, smooth ash discharge, long service life and convenient maintenance.

3. The utility model adopts the ash remover to integrally present a negative pressure state during operation, so that the reed valve is tightly attached to the sealed communication port of the wall surface of the first lower joint pipe to realize sealing, when the dust accumulation pressure in the valve is larger than the negative pressure in the system, the dead weight of the reed body enables the reed body to be opened for ash discharge, and the whole device has no power and rotating parts, thereby avoiding the occurrence of the condition of wasting resources.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a fastening assembly according to the present utility model;

fig. 3 is a schematic view of the weighting assembly of the present utility model.

In the figure: 1 is a first lower connecting pipe, 2 is a second lower connecting pipe, 3 is a communication port, 4 is a tongue plate valve, 41 is a tongue plate body, 42 is a weight increasing component, 421 is a gasket A,422 is a gasket B,43 is a fixing component, 431 is a top plate, 432 is a bottom plate, 433 is a first clamping plate, 434 is a second clamping plate, 435 is a partition interlayer, 436 is a bolt, 5 is a flange, 6 is a bulge, 7 is an access port, and 8 is a rotary sealing door.

Detailed Description

Referring to fig. 1, a tongue plate air locking valve includes: the device comprises a first lower connecting pipe 1 and a second lower connecting pipe 2, wherein the side wall of the first lower connecting pipe 1 is communicated with the side wall of the second lower connecting pipe 2, a tongue plate valve 4 is arranged at a communication port 3, the first lower connecting pipe 1 is higher than the second lower connecting pipe 2, the top of the first lower connecting pipe 1 is connected with an ash remover through a flange 5, the ash remover is accurately in a negative pressure state in the whole during operation, that is, the internal pressure of the second lower connecting pipe is higher than the internal pressure of the first lower connecting pipe, so that the tongue plate valve 4 is tightly attached to the wall surface of the first lower connecting pipe 1 to seal the communication port 3; the tongue valve 4 comprises a tongue plate body 41 made of rubber and a plurality of weight increasing components 42 uniformly distributed on the tongue plate body 41, wherein the upper part of the tongue plate body 41 is arranged on the side wall of the first lower connecting pipe 1 through a fixing component 43, and the weight increasing components 42 are used for increasing the weight of the tongue plate body 41 and are at least provided with two groups; the lower part of the side wall of the first lower connecting pipe 1 is provided with a bulge 6, and the bottom of the tongue plate body 41 is in abutting arrangement with the bulge 6; the side wall of the second lower connecting pipe 2, which is away from the first lower connecting pipe 1, is provided with an access opening 7, and the access opening 7 is provided with a rotary sealing door 8.

Referring to fig. 2, the fixing assembly 43 includes a top plate 431 and a bottom plate 432 disposed below the top plate 431, the bottom plate 432 and the top plate 431 are disposed horizontally, the bottom plate 432 is longer than the top plate 431, one side of the bottom plate 432 and one side of the top plate 431 are fixedly connected with the side wall of the first lower connecting pipe 1, a first clamping plate 433 is disposed on the upper surface of the bottom plate 432, the first clamping plate 433 is provided with a through hole, the outer side wall of the first clamping plate 433 is flush with the outer side wall of the bottom plate 432, the inner side wall of the first clamping plate 433 is connected with the outer side wall of the top plate 431, and the upper surfaces of the first clamping plate 433 and the top plate 431 are on the same horizontal line; the first splint 433 deviates from the one side interval of roof 431 and is provided with second splint 434, and first splint 433 and second splint 434 vertically set up and form between the two and cut off intermediate layer 435, and the hyoid body 41 passes through bolt 436 to be installed in cutting off intermediate layer 435, and when the dust accumulation pressure is greater than the negative pressure in the valve, hyoid body 41 is automatic to be opened, and the bottom surface of second splint 434 is higher than the bottom surface of first splint 433, and hyoid body 41 outside motion of being convenient for is more favorable to unloading.

Referring to fig. 3, the weight increasing component includes a spacer a421 and a spacer B422, the spacer a421 and the spacer B422 clamp two sides of the tongue plate body 41 and fasten the two sides by bolts, the whole tongue plate body 41 is made of rubber, and the flexibility is high, so that the weight increasing component is arranged on the tongue plate body 41, and the weight of the tongue plate body 41 is increased while the hardness of the tongue plate body 41 is increased.

The installation flow of the utility model is as follows: before the clapper valve is used, a worker installs gaskets on two sides of the clapper body 41 to clamp the clapper body 41, and fastens the gaskets through bolts to increase the rigidity of the clapper body 41 and ensure the quality of the clapper body 41, and finally, the upper part of the clapper body 41 is attached to the first clamping plate 433, the second clamping plate 434 is sleeved on the screw rod of the bolt 436, and the screw rod penetrates through the clapper body 41 and the first clamping plate 433 to complete integral installation; the clapper valve must work under the negative pressure system, the whole ash remover presents the negative pressure state in the operation accurately, namely the internal pressure of the second lower connecting pipe is greater than the internal pressure of the first lower connecting pipe, thus make the clapper valve 4 hug closely the sealed communication port 3 of the wall surface of the first lower connecting pipe 1, realize sealing, when the dust accumulation pressure in the valve is greater than the negative pressure in the system, the dead weight of the clapper body 41 makes it open, carry on the ash discharge.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A flapper air lock valve, comprising: the device comprises a first lower connecting pipe (1) and a second lower connecting pipe (2), wherein the side wall of the first lower connecting pipe (1) is communicated with the side wall of the second lower connecting pipe (2), a tongue plate valve (4) is arranged at a communication port (3), the first lower connecting pipe (1) is higher than the second lower connecting pipe (2), the top of the first lower connecting pipe (1) is connected with an ash remover through a flange (5), the ash remover is a negative pressure system, and the tongue plate valve (4) is tightly attached to the wall surface of the first lower connecting pipe (1) to seal the communication port (3);

the clapper valve (4) comprises a clapper body (41) made of rubber materials and a plurality of weight increasing components (42) which are uniformly distributed on the clapper body (41), wherein the upper part of the clapper body (41) is arranged on the side wall of the first lower connecting pipe (1) through a fixing component (43), and the weight increasing components (42) are used for increasing the weight of the clapper body (41) and are at least provided with two groups.

2. The flapper valve according to claim 1, wherein the fixing assembly (43) comprises a top plate (431) and a bottom plate (432) arranged below the top plate (431), the bottom plate (432) and the top plate (431) are horizontally arranged relatively, one side of the bottom plate (432) and the top plate (431) are fixedly connected with the side wall of the first lower connecting pipe (1), the upper surface of the bottom plate (432) is provided with a first clamping plate (433), the inner side wall of the first clamping plate (433) is connected with the outer side wall of the top plate (431), one side of the first clamping plate (433) away from the top plate (431) is provided with a second clamping plate (434) at intervals, the first clamping plate (433) and the second clamping plate (434) are vertically arranged longitudinally and form a partition interlayer (435) between the first clamping plate (434), and the flapper body (41) is mounted in the partition interlayer (435) through bolts (436).

3. The flapper valve as claimed in claim 2, characterized in that the bottom plate (432) has a length longer than the top plate (431) and the outer side wall of the first clamp plate (433) is flush with the outer side wall of the bottom plate (432).

4. A flapper valve as claimed in claim 3 wherein the upper surfaces of the first clamp plate (433) and the top plate (431) are on the same horizontal line.

5. The flapper valve as claimed in claim 4, wherein the weighting assembly includes a spacer a (421) and a spacer B (422), the spacers a (421) and B (422) clamping and bolting both sides of the flapper body (41).

6. The clapper air locking valve according to claim 5, characterized in that the lower part of the side wall of the first lower connecting pipe (1) is provided with a bulge (6), and the bottom of the clapper body (41) is in abutting arrangement with the bulge (6).

7. A flapper air lock valve as claimed in claim 1, characterised in that the side wall of the second lower adapter tube (2) facing away from the first lower adapter tube (1) is provided with an access opening (7), said access opening (7) being fitted with a rotary sealing door (8).