CN216395624U

CN216395624U - Blowing pipe of dust removal case

Info

Publication number: CN216395624U
Application number: CN202123049777.1U
Authority: CN
Inventors: 肖云芝; 方昱迪
Original assignee: Suzhou Deno Environmental Protection Technology Co ltd
Current assignee: Suzhou Deno Environmental Protection Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-29
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a blowing pipe of a dust removal box, which aims at the problems of difficult assembly and disassembly and poor sealing property and provides the following technical scheme, wherein the blowing pipe comprises an outer box pipe, a blowing pipe arranged in a box body, a connecting pipe for communicating the blowing pipe with the outer box pipe and a plurality of balls; the plurality of balls are uniformly rolled and connected to the outer wall of the connecting pipe along the circumferential direction, the plurality of balls are elastically connected to the connecting pipe along the radial direction of the connecting pipe, and the inner wall of the air blowing pipe is provided with a plurality of circular grooves for the balls to extend into so that the balls are abutted against the circular grooves of the air blowing pipe; the box is equipped with the through-hole that supplies the connecting pipe to stretch into, and closely the laminating has the tank wall sealing washer between the through-hole of box and the connecting pipe, and closely the laminating has the jetting sealing washer between gas blow pipe and the connecting pipe, and the jetting sealing washer supports each other with the tank wall sealing washer and leans on. The ball is fastened in the circular groove, so that the connecting pipe and the air blowing pipe are fixed and are installed in a plug-in mode, and the assembly and disassembly are convenient; the injection sealing ring and the box wall sealing ring ensure that the sealing effect between the inside and the outside of the box body is good, and the sealing effect between the connecting pipe and the air blowing pipe is good.

Description

Blowing pipe of dust removal case

Technical Field

The utility model relates to the technical field of industrial dust removal equipment, in particular to a blowing pipe of a dust removal box.

Background

The equipment for separating dust from flue gas is called dust remover or dust removing equipment.

At present, chinese patent with publication number CN103977663A discloses a dry dust collector, which comprises a dust box, a filter element fixedly installed in the dust box, a nozzle support installed in the dust box, an air blow pipe installed on the nozzle support and connected to the filter element, a centrifugal fan fixedly installed on the top of the dust box, a cyclone dust collector connected to the dust box through a pipe, and a seal cover fixedly installed at the bottom of the dust box, wherein the air blow pipe extends to the outside of the dust box through a wall plate connector, and a pulse valve is installed at the extending end, and an air bag is installed at the connection position of the pulse valve and the air blow pipe.

The air blow pipe is difficult to assemble and disassemble in the dust removing box and poor in sealing performance, so that the air blow pipe has an improved space.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the blowing pipe of the dust removal box, which has the advantages of convenience in assembly and disassembly, convenience in maintenance and good sealing property.

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

a blowing pipe of a dust removal box comprises an outer box pipe arranged outside a box body, an air blowing pipe arranged inside the box body, a connecting pipe for communicating the air blowing pipe with the outer box pipe and a plurality of balls;

the plurality of balls are uniformly rolled and connected to the outer wall of the connecting pipe along the circumferential direction, the plurality of balls are elastically connected to the connecting pipe along the radial direction of the connecting pipe, and the inner wall of the air blowing pipe is provided with a plurality of circular grooves for the balls to extend into so that the balls abut against the circular grooves of the air blowing pipe;

the box is equipped with the through-hole that supplies the connecting pipe to stretch into, closely the laminating has the tank wall sealing washer between the through-hole of box and the connecting pipe, closely the laminating has the jetting sealing washer between gas blow pipe and the connecting pipe, the jetting sealing washer supports with the tank wall sealing washer each other and leans on.

By adopting the technical scheme, the plurality of balls abut against the circular grooves of the air blowing pipes on the outer circumferential surface of the connecting pipe, so that the plurality of balls abut against the air blowing pipes in all directions in the circumferential direction, the axial freedom degree of the air blowing pipes is limited by the elasticity of the balls along the radial direction, and the fixed connection between the air blowing pipes and the outer pipe of the box along the axial direction is realized. The box wall sealing ring seals between the connecting pipe and the box body, so that the sealing between the inside and the outside of the box body is realized, and the pollution of dust in the box body to the atmosphere is avoided. The jetting sealing ring is between the air blowing pipe and the connecting pipe and is abutted against the box wall sealing ring, so that dust in the connecting pipe can enter the air blowing pipe, and the dust removal efficiency is improved.

Furthermore, one sides of the box wall sealing ring and the blowing sealing ring, which are close to each other, are wedge-shaped surfaces, so that the box wall sealing ring and the blowing sealing ring are in wedge-shaped fit.

By adopting the technical scheme, the blowing pipe is inserted towards the direction of the connecting pipe, so that the blowing sealing ring and the box wall sealing ring are tightly attached, and the blowing sealing ring and the box wall sealing ring are mutually compressed by utilizing the wedge-shaped surface, thereby improving the sealing effect.

Further, the ball contact is equipped with the spring that radially sets up along the connecting pipe, the one end and the connecting pipe fixed connection of keeping away from the ball of spring, the connecting pipe is equipped with the recess that supplies the spring to stretch into.

By adopting the technical scheme, the spring tightly pushes the ball on the groove of the air blowing pipe along the radial direction by utilizing the elasticity of the spring, so that the elastic connection of the ball on the connecting pipe is realized.

Furthermore, the connecting pipe can be detachably connected with an end cover, the end cover wraps the ball, and the end cover is provided with a through hole for the ball to contact with the air blowing pipe.

By adopting the technical scheme, the end cover fixes the ball on the connecting pipe, so that the ball is guaranteed to effectively roll between the connecting pipe and the air blowing pipe, and the practicability of the device is improved.

Further, the connecting pipe is in threaded connection with the outer pipe of the tank.

By adopting the technical scheme, the connecting pipe can be screwed out or screwed in from the threads on the outer pipe of the box, so that the connecting pipe is convenient to assemble and disassemble on the box wall, and the practicability of the device is improved.

Further, the connecting pipe is provided with a clamping groove for the tank wall sealing ring to extend into, and the tank wall sealing ring is clamped in the clamping groove.

By adopting the technical scheme, the tank wall sealing rings are fixed on the connecting pipe, and the tank wall sealing rings are guaranteed to be fixed on the connecting pipe all the time in the using process, so that the sealing effect is guaranteed.

Furthermore, the box wall sealing ring is provided with a groove for the wall plate of the box body to extend into.

By adopting the technical scheme, the wall plate of the box body extends into the groove of the box wall sealing ring, and the dust in the box body can be fully prevented from leaking out of the box body.

Further, the box wall sealing ring is made of polyurethane rubber.

By adopting the technical scheme, the polyurethane rubber has excellent wear resistance and good air impermeability, the sealing effect is improved, and the service life is prolonged. The polyurethane rubber also has elasticity, so that on one hand, the vibration of the gas blowing pipe in the gas spraying process is buffered, and on the other hand, the polyurethane rubber is convenient to assemble and disassemble on the wall plate of the box body.

Further, the connecting pipe is provided with an O-shaped ring, and the O-shaped ring is closer to the end part, close to the air blowing pipe, of the connecting pipe than the ball.

Furthermore, the O-shaped ring is arranged at the end part of the connecting pipe, the air blowing pipe and the connecting pipe are sealed, dust in air is prevented from entering the ball, the smooth rolling and moving of the ball between the connecting pipe and the air blowing pipe are guaranteed, and the service life is prolonged.

In conclusion, the utility model has the following beneficial effects:

1. one end of the air blowing pipe is inserted into the connecting pipe, and the ball on the connecting pipe is fastened in the circular groove of the air blowing pipe, so that the connecting pipe and the air blowing pipe are fixed, and the plug-in type installation is realized, no extra tool is needed, and the assembly and disassembly are convenient;

the O-shaped ring, the blowing sealing ring and the box wall sealing ring are sealed in a triple mode, so that the sealing effect between the inside and the outside of the box body is good, and the sealing effect between the connecting pipe and the air blowing pipe is good;

3. the ball rolls between the connecting pipe and the blowing pipe, sliding friction is replaced by rolling friction, resistance when the blowing pipe extends into the connecting pipe is reduced, assembly and disassembly are more convenient, and abrasion is reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic view of an exploded structure of the present embodiment;

FIG. 3 is a partial enlarged view of the portion A in FIG. 2 according to the present embodiment;

FIG. 4 is a sectional view of the present embodiment;

fig. 5 is a partially enlarged view of a portion B in fig. 4 of the present embodiment.

In the figure: 1. a box body; 2. an outer tank tube; 3. an air blowing pipe; 4. a connecting pipe; 5. a ball bearing; 6. a spring; 7. blowing the sealing ring; 8. a box wall sealing ring; 9. an end cap; 10. an O-shaped ring; 11. angle iron; 12. and (4) a filter bag.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A blowing pipe of a dust removal box is shown in figures 1 and 2 and comprises an outer box pipe 2 arranged outside a box body 1, an air blowing pipe 3 arranged inside the box body 1 and a connecting pipe 4 arranged on a wall plate of the box body 1, wherein the outer box pipe 2, the air blowing pipe 3 and the connecting pipe 4 are all arranged along the horizontal direction and are coaxially arranged.

Referring to fig. 2 and 3, six balls 5 are uniformly arranged on the outer wall of the connecting pipe 4 along the circumferential direction, and the six balls 5 are all arranged at one end of the connecting pipe 4 close to the blowing pipe 3.

Referring to fig. 4 and 5, the outer wall of the connecting pipe 4 is uniformly provided with six grooves along the circumferential direction, the six grooves are all arranged along the radial direction of the connecting pipe 4, springs 6 are arranged in the six grooves of the connecting pipe 4, one ends of the springs 6 are fixedly connected to the bottom surfaces of the grooves of the connecting pipe 4, and the other ends of the springs 6 are in contact with the balls 5. An end cover 9 is arranged on one side, close to the air blowing pipe 3, of the ball 5, one end of the cylindrical end cover 9 is in threaded connection with the groove of the connecting pipe 4, a through hole for the ball 5 to be in contact with the air blowing pipe 3 is formed in the other end of the end cover 9, and the end cover 9 is wrapped on one side, close to the air blowing pipe 3, of the ball 5 in a spherical shape.

Referring to fig. 5, the inner wall of the blowing pipe 3 is provided with six circular grooves into which the balls 5 extend, and the six circular grooves are uniformly arranged along the circumferential direction, so that the six balls 5 respectively abut against the six circular grooves of the blowing pipe 3.

Referring to fig. 4 and 5, an internal thread is provided at one end of the connecting pipe 4 close to the outer tank pipe 2, an external thread is fixedly provided at one end of the outer tank pipe 2 close to the tank body 1, and the internal thread of the connecting pipe 4 is in threaded connection with the external thread of the outer tank pipe 2. An O-shaped ring 10 is arranged at one end, close to the connecting pipe 4, of the air blowing pipe 3, the O-shaped ring 10 is arranged between the ball 5 and the end face, close to the air blowing pipe 3, of the connecting pipe 4, and an annular groove for the O-shaped ring 10 to stretch into is formed in the inner wall of the air blowing pipe 3.

Referring to fig. 5, one end of the blowing pipe 3 close to the connecting pipe 4 is provided with a blowing seal ring 7. The box body 1 is provided with a through hole for the connecting pipe 4 to pass through, and a box wall sealing ring 8 is tightly attached between the through hole of the box body 1 and the connecting pipe 4. The box wall sealing ring 8 is contacted with the blowing sealing ring 7, and the contact surface is a wedge-shaped surface, so that the box wall sealing ring 8 extends towards the blowing sealing ring 7, and the box wall sealing ring 8 is in wedge-shaped fit with the blowing sealing ring 7.

Referring to fig. 2, the blowing pipe 3 is provided with a groove for the blowing sealing ring 7 to extend into, the section of the blowing sealing ring 7 is triangular, and the blowing sealing ring 7 is abutted against the blowing pipe 3, the tank wall and the tank wall sealing ring 8. The connecting pipe 4 is provided with a clamping groove for the tank wall sealing ring 8 to extend into, and the tank wall sealing ring 8 is clamped in the clamping groove. The outer circumference of the box wall sealing ring 8 is provided with a groove for the wall plate of the box body 1 to extend into, and the groove side surface of the groove of the box wall sealing ring 8 is tightly attached to the box wall. The box wall sealing ring 8 and the blowing sealing ring 7 are made of polyurethane rubber.

Referring to fig. 4, one end of the blowing pipe 3, which is far away from the connecting pipe 4, is welded with one angle iron 11, the inner wall of the box body 1 is welded with the other angle iron 11, one side of the two angle irons 11 are mutually abutted and penetrated with a bolt, the bolt is in threaded connection with a nut, the head end surface of the bolt and the nut are respectively abutted against the two angle irons 11, and the two angle irons 11 are clamped tightly by using the friction force of a thread pair, so that one end of the blowing pipe 3 is fixed on the inner wall of the box body 1.

Referring to fig. 2, eight blowing holes are uniformly formed in the middle of the blowing pipe 3 along the axial direction, eight filter bags 12 are arranged inside the box body 1, and the eight blowing holes are respectively formed at inlets at the tops of the eight filter bags 12.

Referring to fig. 2 and 4, the working steps are as follows: pass the through-hole of tank wall from 1 outside of box with connecting pipe 4, the tank wall is pressed from both sides by tank wall sealing washer 8's recess, the one end of gas blow pipe 3 stretches into in the inside of box 1 towards the tip of connecting pipe 4, support on the wedge face of tank wall sealing washer 8 until blowing sealing washer 7 of gas blow pipe 3, ball 5 is pressed to the recess of connecting pipe 4 by the inner wall of gas blow pipe 3, until ball 5 rolls into the circular slot of gas blow pipe 3, spring 6 compresses tightly ball 5 in the circular slot of gas blow pipe 3, utilize ball 5's sphere, realize ball 5 and the fixing between the gas blow pipe 3, thereby realize the fixing between connecting pipe 4 and the gas blow pipe 3. And aligning the angle iron 11 at one end of the air blow pipe 3, which is far away from the connecting pipe 4, with the angle iron 11 on the box body 1, fixing the two angle irons 11 by using bolts and nuts, and finishing the installation of the whole air blow pipe 3 on the box body 1.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an injection pipe of dust removal case, is including setting up in outside case outer tube (2) of box (1) and setting up in inside gas blow pipe (3) of box (1), its characterized in that: the device also comprises a connecting pipe (4) and a plurality of balls (5), wherein the connecting pipe (4) is used for communicating the air blowing pipe (3) with the outer box pipe (2);

the plurality of balls (5) are uniformly connected to the outer wall of the connecting pipe (4) in a rolling mode along the circumferential direction, the plurality of balls (5) are elastically connected to the connecting pipe (4) along the radial direction of the connecting pipe (4), and a plurality of circular grooves for the balls (5) to extend into are formed in the inner wall of the air blowing pipe (3) so that the balls (5) abut against the circular grooves of the air blowing pipe (3);

the box (1) is provided with a through hole for the connecting pipe (4) to extend into, a box wall sealing ring (8) is tightly attached between the through hole of the box (1) and the connecting pipe (4), a blowing sealing ring (7) is tightly attached between the blowing pipe (3) and the connecting pipe (4), and the blowing sealing ring (7) and the box wall sealing ring (8) are mutually abutted.

2. A blow tube for a dust removal box according to claim 1, characterized in that: one sides, close to each other, of the box wall sealing ring (8) and the blowing sealing ring (7) are wedge-shaped surfaces, so that the box wall sealing ring (8) and the blowing sealing ring (7) are in wedge-shaped fit.

3. A blow tube for a dust removal box according to claim 1, characterized in that: ball (5) contact is equipped with along radial spring (6) that sets up of connecting pipe (4), the one end and the connecting pipe (4) fixed connection of keeping away from ball (5) of spring (6), connecting pipe (4) are equipped with the recess that supplies spring (6) to stretch into.

4. A dust box blow tube according to claim 3, characterized in that: the connecting pipe (4) is detachably connected with an end cover (9), the end cover (9) wraps the balls (5), and the end cover (9) is provided with a through hole for the balls (5) to contact with the air blowing pipe (3).

5. A blow tube for a dust removal box according to claim 1, characterized in that: the connecting pipe (4) is in threaded connection with the outer box pipe (2).

6. A blow tube for a dust removal box according to claim 1, characterized in that: the connecting pipe (4) is provided with a clamping groove for the tank wall sealing ring (8) to extend into, and the tank wall sealing ring (8) is clamped in the clamping groove.

7. A blow tube for a dust removal box according to claim 1, characterized in that: the box wall sealing ring (8) is provided with a groove for the wall plate of the box body (1) to extend into.

8. A blow tube for a dust removal box according to claim 1, characterized in that: the box wall sealing ring (8) is made of polyurethane rubber.

9. A blow tube for a dust removal box according to claim 1, characterized in that: the connecting pipe (4) is provided with an O-shaped ring (10), and the O-shaped ring (10) is closer to the end part, close to the air blowing pipe (3), of the connecting pipe (4) than the ball (5).