CN212166801U

CN212166801U - Filter bag opening protection device of rotary blowing bag type dust collector

Info

Publication number: CN212166801U
Application number: CN202020364106.0U
Authority: CN
Inventors: 李龙宽
Original assignee: Tianjin Hongmao Hvac Machinery Equipment Co ltd
Current assignee: Tianjin Hongmao Hvac Machinery Equipment Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-18
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a rotatory jetting bag collector's filter bag mouth protector, including the solid fixed ring of first solid fixed ring and second, the filter bag has been cup jointed to the solid fixed ring's of second ring mouth inner wall, first stay tube is installed to the solid fixed ring's of second bottom, and the bottom of second stay tube seted up the annular groove, the notch inner wall of annular groove is provided with the screwed pipe, and the bottom of screwed pipe installs the swinging head, fixed pipe is installed to the bottom of swinging head. The utility model provides a rotatory jetting bag collector's filter bag mouth protector is provided with first stay tube, screwed pipe and fixed pipe through the bottom at the solid fixed ring of second to make the screwed pipe at first stay tube internal rotation, can drive fixed pipe through rotating the screwed pipe and rise, simultaneously, put the filter bag between fixed pipe and second stay tube, can compress tightly the filter bag by the fixed pipe that rises, improve the fixed stability of filter bag.

Description

Filter bag opening protection device of rotary blowing bag type dust collector

Technical Field

The utility model relates to a bag-type dust collecting equipment technical field especially relates to rotatory jetting bag collector's filter bag mouth protector.

Background

The rotary injection bag type dust collector is widely applied to a sintering desulfurization dust removal system, the filter bag back blowing is rotary injection, the rotary injection is carried out through the rotary injection device while rotating, and in the injection process, because the rotation and the injection are carried out simultaneously and continuously, in the moment that a certain filter bag is moved into and withdrawn along with the rotation of the injection device, the air pressure is changed greatly, the filter bag opening is damaged, and therefore a filter bag opening protection device can be used.

Through retrieval, the Chinese patent with the application number of CN201620796685.X discloses a filter bag opening protection device of a rotary blowing bag type dust collector, which comprises a flange and a circular tube, wherein one end of the circular tube is fixed with the bottom surface of the flange, the center of the flange is positioned on the central axis of the circular tube, and the central axis of the circular tube is vertical to the plane of the flange; in the pipe inserted the filter bag, ring flange and filter bag base fixed connection, above-mentioned patent exists following not enough: only carry out the compaction to the top of filter bag and handle, and the sack below of filter bag still is not fixed, in the long-term use of filter bag, still can not effectual fixed stability of guaranteeing the filter bag, consequently need design a neotype rotatory jetting bag collector's filter bag mouth protector and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a filter bag opening protection device of a rotary blowing bag type dust collector.

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

rotatory jetting bag collector's filter bag mouth protector, including first solid fixed ring and the solid fixed ring of second, the filter bag has been cup jointed to the solid fixed ring's of second ring mouth inner wall, first stay tube is installed to the solid fixed ring's of second bottom, and the annular groove has been seted up to the bottom of first stay tube, the notch inner wall of annular groove is provided with the screwed pipe, and the bottom of screwed pipe installs the rotating tube, fixed pipe is installed to the bottom of rotating tube, the second stay tube is installed to the solid fixed ring's of first ring mouth inner wall.

Preferably, first solid fixed ring's bottom center installs second annular rubber pad, first annular rubber pad is installed to first solid fixed ring's bottom circumference.

Preferably, a first air duct is installed on one side of the top of the first fixing ring, and a one-way valve is installed on the top of the first air duct.

Preferably, a second air duct is installed on the other side of the top of the first fixing ring, and an air guide valve is installed on the top of the second air duct.

Preferably, the first air duct and the second air duct are respectively positioned between the first annular rubber pad and the second annular rubber pad.

Preferably, the supporting blocks are installed in the middle of two sides of the first fixing ring, and the fixing hooks are installed at one ends of the two supporting blocks.

Preferably, the rotating handle is installed on both sides of the rotating pipe.

Preferably, the middle part of the circumference of the second fixing ring is provided with an annular thread block, and the top of the circumference of the annular thread block is connected with the outer wall of the first fixing ring.

The utility model has the advantages that:

1. the utility model provides a rotatory jetting bag collector's filter bag mouth protector is provided with first stay tube, screwed pipe and fixed pipe through the bottom at the solid fixed ring of second to make the screwed pipe at first stay tube internal rotation, can drive fixed pipe through rotating the screwed pipe and rise, simultaneously, put the filter bag between fixed pipe and second stay tube, can compress tightly the filter bag by the fixed pipe that rises, improve the fixed stability of filter bag, the while simple operation.

2. The utility model provides a rotatory jetting bag collector's filter bag mouth protector, embodiment 1 is through being provided with first ring-shaped rubber pad and second ring-shaped rubber pad between first solid fixed ring and the solid fixed ring of second, and be provided with fixed couple in first solid fixed ring's both sides, can hang two fixed couples in the solid fixed ring's of second bottom, realize compressing tightly first solid fixed ring and the solid fixed ring of second, and then make first ring-shaped rubber pad and second ring-shaped rubber pad effectual compress tightly fixedly to the filter bag, at the in-process that first solid fixed ring and the solid fixed ring of second compressed tightly, the air in the middle of it passes through the check valve and discharges, and then make and form the negative pressure between first solid fixed ring and the solid fixed ring of second, the stability that compresses tightly the filter bag has been improved, compare in bolt fastening and compress tightly, this kind compresses tightly.

3. The utility model provides a rotatory jetting bag collector's filter bag mouth protector, embodiment 2 is through being provided with the annular thread piece on the solid fixed ring of second, and make the circumference top inner wall of annular thread piece pass through the circumference wall connection of screw thread and first solid fixed ring, can be through the rotation of rotating the annular thread piece, it is close to each other to drive first solid fixed ring and the solid fixed ring of second, realize the effectual compaction of first solid fixed ring and the solid fixed ring of second, and then make first annular rubber pad and second annular rubber pad compress tightly fixedly to the filter bag, at the in-process that first solid fixed ring and the solid fixed ring of second compressed tightly, the air in the middle of it passes through the check valve and discharges, and then make and form the negative pressure between first solid fixed ring and the solid fixed ring of second, the stability of compressing tightly the filter.

4. The utility model provides a rotatory jetting bag collector's filter bag mouth protector keeps apart by the second stay tube through the sack with the filter bag, can effectually avoid compressed air directly to bulge to the sack, causes the damage to the sack, has realized the effectual protection to the sack.

Drawings

Fig. 1 is a schematic front view of a filter bag opening protection device of a rotary blowing bag type dust collector according to embodiment 1 of the present invention;

fig. 2 is a schematic sectional structure view of the filter bag mouth protector of the rotary blowing bag type dust collector according to embodiment 1 of the present invention;

fig. 3 is a schematic sectional structure view of embodiment 2 of the filter bag mouth protecting device of the rotary blowing bag type dust collector of the present invention.

In the figure: the device comprises a filter bag 1, a fixed pipe 2, a rotary handle 3, a threaded pipe 4, a fixed hook 5, a one-way valve 6, a first fixed ring 7, an air guide pipe 8, an air guide valve 9, a first annular rubber pad 10, a second fixed ring 11, a first support pipe 12, a rotary pipe 13, a first air guide pipe 14, a second annular rubber pad 15, a second air guide pipe 16, a support block 17, a second support pipe 18 and an annular threaded block 19.

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.

Example 1

Referring to fig. 1-2, rotatory jetting bag collector's filter bag mouth protector, including the solid fixed ring of first solid fixed ring 7 and the solid fixed ring of second 11, the solid fixed ring's of second 11 ring mouth inner wall has cup jointed filter bag 1, the solid fixed ring's of second 11 bottom outer wall has first stay tube 12 through bolted connection, and the bottom outer wall of first stay tube 12 has seted up the annular groove, the notch inner wall of annular groove has screwed pipe 4 through threaded connection, and the bottom outer wall of screwed pipe 4 has a rotating tube 13 through bolted connection, the bottom outer wall of rotating tube 13 is connected with fixed pipe 2 through the bearing, the solid fixed ring's of first solid fixed ring 7 ring mouth inner wall has vertical setting's second stay tube 18 through bolted connection.

In the utility model, the bottom central outer wall of the first fixing ring 7 is connected with a second annular rubber pad 15 through a bolt, and the bottom circumferential outer wall of the first fixing ring 7 is connected with a first annular rubber pad 10 through a bolt;

the outer wall of one side of the top of the first fixing ring 7 is connected with a first air duct 14 which is vertically arranged through a bolt, the outer wall of the top of the first air duct 14 is connected with a one-way valve 6 through a bolt, and the conduction direction of the one-way valve 6 is from bottom to top;

the outer wall of the other side of the top of the first fixing ring 7 is connected with a second air duct 16 which is vertically arranged through a bolt, and the outer wall of the top of the second air duct 16 is connected with an air guide valve 9 through a bolt;

the first air duct 14 and the second air duct 16 are respectively positioned between the first annular rubber pad 10 and the second annular rubber pad 15;

the outer wall of the middle part of the two sides of the first fixing ring 7 is connected with a supporting block 17 through a bolt, the outer wall of one end of each supporting block 17 is connected with a fixing hook 5 through a rotating shaft, and the outer wall of the two sides of the rotating pipe 13 is connected with a rotating handle 3 through a bolt.

Example 2

Referring to fig. 1-3, the filter bag mouth protector of the rotary blowing bag type dust collector further comprises an annular thread block 19 mounted on the second fixing ring, the outer wall of the middle of the circumference of the second fixing ring 11 is connected with the inner wall of the bottom of the circumference of the annular thread block 19 through a bearing, the inner wall of the top of the circumference of the annular thread block 19 is connected with the outer wall of the circumference of the first fixing ring 7 through a thread, the first fixing ring 7 and the second fixing ring 11 can be driven to be close to each other through rotation of the annular thread block 19, and effective compaction of the first fixing ring 7 and the second fixing ring 11 is achieved.

The working principle is as follows: when the device is used, a user can sleeve the filter bag 1 on the inner wall of the opening of the second fixing ring 11, then press the first fixing ring 7 on the second fixing ring 11, hang the fixing hooks 5 at two sides of the first fixing ring 7 at the bottom of the second fixing ring 11, then uniformly install a plurality of devices on the same mounting frame for use, drive the fixing pipe 2 to ascend by rotating the threaded pipe 4, meanwhile, place the filter bag 1 between the fixing pipe 2 and the second supporting pipe 18, and compress the filter bag 1 by the ascending fixing pipe 2, so as to improve the fixing stability of the filter bag 1, in addition, in the process of compressing the first fixing ring 7 and the second fixing ring 11, the first annular rubber pad 10 and the second annular rubber pad 15 are used for effectively compressing and fixing the filter bag 1, meanwhile, air in the middle of the first fixing ring 7 and the second fixing ring 11 is discharged through the one-way valve 6, so as to form negative pressure between the first fixing ring 7 and the second fixing ring 11, the stability of compressing the filter bag 1 is improved.

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. Rotatory jetting bag collector's filter bag mouth protector, including first solid fixed ring (7) and the solid fixed ring of second (11), its characterized in that, filter bag (1) have been cup jointed to the ring mouth inner wall of the solid fixed ring of second (11), first stay tube (12) are installed to the bottom of the solid fixed ring of second (11), and the bottom of first stay tube (12) has seted up the annular groove, the notch inner wall of annular groove is provided with screwed pipe (4), and the bottom of screwed pipe (4) installs rotating tube (13), fixed pipe (2) are installed to the bottom of rotating tube (13), second stay tube (18) are installed to the ring mouth inner wall of first solid fixed ring (7).

2. The filter bag mouth guard of a rotary blowing bag filter according to claim 1, wherein a second annular rubber pad (15) is installed at the bottom center of the first fixing ring (7), and a first annular rubber pad (10) is installed at the bottom circumference of the first fixing ring (7).

3. The filter bag port protection device of a rotary blowing bag type dust collector according to claim 1, wherein a first air duct (14) is installed at one side of the top of the first fixing ring (7), and a one-way valve (6) is installed at the top of the first air duct (14).

4. The filter bag port protection device of a rotary blowing bag type dust collector according to claim 3, wherein a second air duct (16) is installed at the other side of the top of the first fixing ring (7), and an air guide valve (9) is installed at the top of the second air duct (16).

5. The filter bag port guard of a rotary blowing bag filter according to claim 4, wherein the first and second air ducts (14, 16) are located between the first and second annular rubber pads (10, 15), respectively.

6. The filter bag mouth protector of the rotary blowing bag filter according to claim 1, wherein the middle parts of both sides of the first fixing ring (7) are provided with supporting blocks (17), and one end of each of the two supporting blocks (17) is provided with a fixing hook (5).

7. The filter bag mouth guard of a rotary blowing bag filter according to claim 1, wherein the turning handle (3) is installed at both sides of the turning tube (13).

8. The filter bag mouth guard of a rotary blowing bag filter according to claim 7, wherein a ring-shaped thread block (19) is installed at the circumferential middle portion of the second fixing ring (11), and the circumferential top of the ring-shaped thread block (19) is connected with the outer wall of the first fixing ring (7).