CN220276548U - Dust remover dust explosion-proof device - Google Patents

Abstract

The utility model discloses a dust explosion-proof device of a dust remover, which comprises a shell, a filter cloth bag, a pressure relief hole, a vortex tube, a compressed gas storage tank, a gas pipe, a lock catch box, a wedge block, a pushing block and a locking structure, wherein the filter cloth bag is arranged inside the shell, the pressure relief hole is arranged on one side of the outer part of the shell, the vortex tube is arranged at the upper end of the outer part of the shell, the compressed gas storage tank is arranged at the front end of the outer part of the shell, the gas pipe is arranged at the upper end of the outer part of the shell, the lock catch box is arranged on one side of the outer part of the shell, the pushing block and the wedge block are arranged inside the lock catch box, and the locking structure is arranged inside the lock catch box. Compared with the prior art, the utility model has the advantages that: the pressure can be quickly released; the generation of static electricity can be reduced.

Description

Dust remover dust explosion-proof device

Technical Field

The utility model relates to the technical field of dust removing equipment, in particular to a dust explosion-proof device of a dust remover.

Background

The dust pelletizing system is one dust hood set in each ash producing place, and the dust collecting device is set with dust collecting gas via pipeline to realize the dust eliminating function in air.

Publication number CN218458902U a dust remover dust explosion-proof equipment, including the dust removal bag, the upside of dust removal bag is fixed with fixed edge, fixed edge is the annular structure of rectangle for the cross-section, the side position of fixed edge is provided with mounting structure, and mounting structure passes fixed edge and the recess looks joint of dust remover outlet pipe side, the bottom position of fixed edge inner wall is provided with the laminating ring, the laminating ring is annular structure, and the surface and the dust remover outlet pipe looks joint of laminating ring, through being provided with the laminating ring in the inside of fixed edge, make fixed edge can be inseparable with dust remover outlet pipe looks joint through the laminating ring, the cooperation is located the sealing ring on the inner wall of fixed edge further has improved the leakproofness between the two, can prevent the dust remover in the in-process of work circumstances that the dust overflowed through this design. However, the prior art still has the defects that:

1. the dust explosion-proof device of the dust remover adopted in the prior art mainly utilizes a cloth bag which is convenient to detach, is convenient to clean in time, avoids dust explosion caused by blockage of the cloth bag, but dust inside the dust remover can possibly cause dust explosion due to too much, the explosion-proof device has no device which can be rapidly used for pressure relief, and when the dust inside the dust remover reaches a pressure critical value in combination with air, the explosion can occur.

2. The dust explosion-proof device adopted in the prior art cannot reduce the possibility of static electricity generated by sucked dust, and the dust sucked into the dust remover still can generate static electricity due to friction to form an ignition source so as to cause the dust combined with air in the dust remover to explode.

Disclosure of Invention

The utility model aims to overcome the defects and provide the dust explosion-proof device of the dust remover.

In order to solve the technical problems, the technical scheme provided by the utility model is that the dust explosion-proof device for the dust remover comprises a shell, wherein the lower end of the front side of the outer part of the shell is fixedly connected with a dust collecting cover, the front side, the rear side and the middle part of the top end of the inner part of the shell are fixedly connected with mounting posts, the lower ends of the mounting posts are sleeved with filter cloth bags, the inner parts of the mounting posts are in through connection with the inner parts of the filter cloth bags, one side of the outer part of the shell is fixedly connected with a pressure gauge matched with the filter cloth bags, the other side of the outer part of the shell is provided with a pressure relief hole, the front end of one side of the upper end of the outer part of the shell is fixedly connected with an alarm matched with the pressure gauge, one end of the vortex tube extends to the inner part of the shell, the upper side of the front end of the outer part of the shell is fixedly connected with a compressed gas storage tank, the compressed gas storage tank upper end is through being provided with gas-supply pipe and the inside through connection of erection column, gas-supply pipe rear end fixedly connected with outlet duct, the outside one side of shell rotates the baffle that is connected with cooperation pressure release hole and uses, baffle front end fixedly connected with hasp box, be provided with locking structure between hasp box and the shell, the inside front side upper and lower extreme of hasp box all is provided with the wedge, the wedge is provided with guide structure with hasp box inside, the inside rear side of hasp box is provided with the fly leaf, be provided with limit structure between fly leaf and the hasp box, the fly leaf front end fixedly connected with cross-section is the impeller block that trapezoidal cooperation wedge used, the outside lower extreme of shell is through being provided with album ash bucket and inside through connection, the equal fixedly connected with universal wheel in both sides around the outside lower extreme of shell.

As an improvement, the locking structure comprises a hook-shaped lock catch fixedly connected to one side, close to the shell, of the wedge-shaped block, a movable hole matched with the lock catch is formed in one side, close to the shell, of the outer portion of the lock catch box, and a lock catch hole matched with the lock catch is formed in one side, close to the lock catch box, of the shell.

As an improvement, the guide structure comprises an auxiliary guide post fixedly connected to the front side of the upper end and the lower end inside the lock catch box, auxiliary guide grooves matched with the auxiliary guide post are formed in one sides, away from each other, of the wedge blocks, the side, away from each other, of the wedge blocks is connected with the upper end and the lower end inside the lock catch box through extrusion springs, and the extrusion springs are sleeved outside the auxiliary guide post.

As an improvement, a main guide groove is formed in one side, close to the shell, of the pushing block, and a main guide column matched with the main guide groove is fixedly connected to one side, close to the shell, of the inside of the lock catch box.

As an improvement, the pushing block is connected with the inside of the lock catch box through a spring, the spring is sleeved on the outer part of the main guide post, and one side, far away from the shell, of the pushing block is connected with the outer part of the lock catch box through a button fixedly connected with the pushing block.

As an improvement, limit structure is including seting up the spacing groove of lower extreme on the fly leaf front side, the stopper that the equal fixedly connected with cooperation spacing groove of lower extreme used about the hasp box inside.

Compared with the prior art, the utility model has the advantages that: 1. the utility model adopts an explosion-proof device which performs preliminary filtration before dust removal of the dust remover, can detect the internal pressure value, and can release higher pressure in a closed space to the outside of the explosion-proof device to prevent explosion through a quickly opened retraction structure when the pressure critical value is reached.

2. The utility model adopts the method of conveying cold air into the explosion-proof device, so that water molecules in the air mixed with dust are liquefied when the water molecules are cooled, the moisture content of the dust is increased, meanwhile, the dust remover is not influenced by excessive moisture, and the dust is prevented from generating static electricity to form an ignition source due to the fact that the dust is too dry.

Drawings

Fig. 1 is a perspective view of a dust explosion proof device of a dust collector of the present utility model.

Fig. 2 is a front cross-sectional view of a dust explosion-proof apparatus of a dust collector of the present utility model.

Fig. 3 is an enlarged a view of a dust collector dust explosion-proof apparatus of the present utility model.

Fig. 4 is a front cross-sectional view of a dust explosion-proof device of a dust collector of the utility model.

Fig. 5 is an enlarged view of a dust collector dust explosion-proof equipment of the present utility model.

Fig. 6 is a left side cross-sectional view of a dust collector dust explosion-proof apparatus of the present utility model.

Fig. 7 is an enlarged view of C of a dust catcher dust blast breaker of the present utility model.

Fig. 8 is a right side cross-sectional view of a dust remover dust explosion-proof device of the present utility model.

As shown in the figure: 1. a housing; 2. a dust collection cover; 3. a mounting column; 4. a filter cloth bag; 5. a pressure gauge; 6. a pressure relief hole; 7. an alarm; 8. a vortex tube; 9. a compressed gas storage tank; 10. a gas pipe; 11. an air outlet pipe; 12. a baffle; 13. a locker; 14. a locking structure; 15. wedge blocks; 16. a guide structure; 17. a movable plate; 18. a limit structure; 19. a pushing block; 20. an ash collecting hopper; 21. a universal wheel; 22. locking; 23. a movable hole; 24. a latch hole; 25. an auxiliary guide post; 26. an auxiliary guide groove; 27. extruding a spring; 28. a main guide groove; 29. a main guide column; 30. a spring; 31. a button; 32. a limit groove; 33. and a limiting block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the present utility model is provided with a housing 1, the housing 1 is used as a main body of the device, a dust collecting cover 2 is provided at the front side of the outside of the housing 1 to suck dust from the outside of the device, three mounting posts 3 are provided at the top end of the inside of the housing 1, the mounting posts 3 are communicated with the inside of a gas pipe 10 at the upper end of the housing 1, a filter cloth bag 4 is provided at the lower end of the mounting posts 3 to serve as a filtering means, a compressed gas storage tank 9 is provided at the front side of the outside of the housing 1, when dust is primarily filtered by the dust remover through the explosion proof device, the dust is firstly blocked by the filter cloth bag 4, when dust on the filter cloth bag 4 is accumulated to a certain extent, a pressure gauge 5 at the outside of the housing 1 reaches a safety threshold, an alarm 7 at the upper end of the housing 1 is sounded, the compressed gas storage tank 9 is supplied with high-pressure gas from the gas pipe 10 to the inside of the mounting posts 3, the dust collected on the vibration filter cloth bag 4 plays a self-cleaning role, meanwhile, a worker presses a button 31 quickly to open a baffle 12 so as to facilitate the pressure relief from a pressure relief hole 6, and prevent the explosion caused by overlarge air pressure value in the shell 1, in order to reduce the mutual static electricity generated by overlarge dryness among the dust, the upper end of the shell 1 is provided with a vortex tube 8, high-pressure nitrogen is introduced into the vortex tube 8 from the outside of the shell 1, the upper end and the lower end of the inside of the vortex tube 8 separate relatively hot gas upwards through rotation, and separate low-temperature nitrogen into the inside of the shell 1, one is to increase the nitrogen content in the shell 1, so that the gas in the shell 1 is more stable, and the other is to reduce the temperature in the shell 1, so that the air carrying the dust enters into the shell 1 and then is cooled, the water molecules in the air are partially liquefied, so that the humidity around the dust is increased, and the probability of static electricity caused by friction among the dust is reduced.

The utility model smears antistatic paint on the inner walls of the shell 1, the dust hood 2 and each air pipe 10 to prevent friction electrification between dust and the inside of a pipeline, meanwhile, the dust collection power of the dust remover should ensure that the moving speed of the dust in the pipeline is twenty three meters per second to prevent static electricity from being generated too fast, and meanwhile, the pipeline blockage caused by too low moving speed of the dust is avoided, the utility model arranges an air outlet pipe 11 at the rear end of the air pipe 10 to be connected with the dust remover to input preliminarily filtered air into the dust remover for next filtration, when the compressed gas storage tank 9 inputs high-pressure gas into the air pipe 10, the dust remover closes the air outlet pipe 11 to enable the high-pressure gas to only enter the inside of the shell 1, and a baffle 12 is arranged outside the shell 1 to block the pressure release hole 6, the front end of the baffle plate 12 is provided with a lock catch box 13 which is used as a main body for containing the locking structure 14, two wedge blocks 15 and a trapezoidal pushing block 19 are arranged in the lock catch box, the pushing block 19 is used for driving the two wedge blocks 15 to move up and down relatively, a guide structure 16 is arranged between the wedge blocks 15 and the lock catch box 13, the wedge blocks 15 can be ensured to move axially along auxiliary guide posts 25 at the upper end and the lower end in the lock catch box 13 through auxiliary guide grooves 26, and an extrusion spring 27 is arranged outside the auxiliary guide posts 25, so that when no external force exists, the two wedge blocks 15 can return to the original position conveniently, a hook-shaped lock catch 22 on the wedge blocks 15 can move along a movable hole 23 formed in the lock catch box 13 to catch a lock catch hole 24 formed in the shell 1, the baffle plate 12 is aligned with the pressure release hole 6, and the shell 1 is tightly attached.

According to the utility model, the movable plate 17 is arranged in the lock catch box 13, the movable plate 17 can drive the pushing block 19 to move to two sides relatively stably in the lock catch box 13 through the limiting structure 18 of the limiting grooves 32 arranged up and down along the limiting blocks 33 arranged up and down of the lock catch box 13, and in order to facilitate the pushing block 19 to restore the button 31 arranged on the pushing block to a state outside the lock catch box 13 in a quicker and simpler way without external force, the main guide groove 28 is arranged on the pushing block 19, so that the pushing block 19 can move along the main guide post 29 arranged in the lock catch box 13 through the main guide groove 28, the pushing block 19 is prevented from moving upwards or downwards, and meanwhile, the spring 30 is arranged outside the main guide post 29, so that the restoring elasticity of the pushing block 19 is increased.

When the novel dust collector is in practical implementation, firstly, the air inlet of the dust collector is connected to the air outlet pipe 11 of the explosion-proof device, the dust collecting hopper 20 is closed, the universal wheel 21 is fixed, dust is primarily filtered from the explosion-proof device, the dust in the dust collector is prevented from accumulating too fast, the possibility of explosion is reduced, the dust collector sucks the dust into the shell 1 through the dust collecting cover 2, part of the dust is blocked outside by the filter cloth bag 4, the filtered air carries the dust with smaller size to enter the air conveying pipe 10 from the mounting column 3 and finally enter the air outlet pipe 11, when the air enters the air outlet pipe 11 from the air conveying pipe 10, the compressed air storage tank 9 is closed, and the air can only move to the air outlet pipe 11, when the accumulated dust on the filter cloth bag 4 is too much, the pressure gauge 5 reaches a critical value, the alarm 7 sounds, the compressed gas storage tank 9 can input high-pressure air into the shell 1, the accumulated dust on the filter cloth bag 4 is blown down and finally falls into the dust collecting hopper 20, the dust collecting hopper 20 is opened by a worker to discharge dust, meanwhile, the worker can press the button 31 to open the baffle 12, the air pressure in the shell 1 is prevented from being too high, when the explosion-proof device performs primary filtration, the high-pressure nitrogen is conveyed into the vortex tube 8 outside, the vortex tube 8 conveys colder nitrogen into the shell 1, the humidity of the dust in the shell 1 is increased, and static electricity is prevented from being formed due to too dry dust.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a dust remover dust explosion-proof equipment, includes shell (1), its characterized in that: the utility model discloses a gas-supply device, including shell (1), air inlet pipe (12), air outlet pipe (1) outside opposite side has offered pressure release hole (6), alarm (7) that shell (1) outside upper end one side front end fixedly connected with cooperation pressure gauge (5) used, shell (1) outside opposite side front end fixedly connected with, shell (1) outside upper end opposite side front end fixedly connected with vortex tube (8), the one end of vortex tube (8) extends to the inside of shell (1), shell (1) outside front end upper side fixedly connected with compressed gas storage tank (9), compressed gas storage tank (9) upper end is through being provided with air inlet pipe (10) and being used with cooperation filter cloth (4), air outlet pipe (1) outside opposite side front end fixedly connected with air outlet pipe (10) has been offered pressure release hole (6), shell (1) outside upper end front end fixedly connected with vortex tube (8), one end of vortex tube (8) extends to the inside of shell (1), compressed gas storage tank (9) upper end is provided with air outlet pipe (10) and is connected with air outlet pipe (12) inside air outlet pipe (3) through being provided with air outlet pipe (12), the novel ash collecting box is characterized in that a locking structure (14) is arranged between the lock catch box (13) and the shell (1), wedge blocks (15) are arranged at the upper end and the lower end of the front side inside the lock catch box (13), guide structures (16) are arranged inside the wedge blocks (15) and the lock catch box (13), movable plates (17) are arranged at the rear side inside the lock catch box (13), limiting structures (18) are arranged between the movable plates (17) and the lock catch box (13), pushing blocks (19) with trapezoidal matched wedge blocks (15) are fixedly connected to the front ends of the movable plates (17), ash collecting hoppers (20) are connected with the lower ends of the outer portions of the shell (1) in a penetrating mode, and universal wheels (21) are fixedly connected to the front end and the rear end of the lower ends of the outer portions of the shell (1).

2. A dust remover dust explosion-proof apparatus as set forth in claim 1, wherein: the locking structure (14) comprises a lock catch (22) fixedly connected to one side, close to the shell (1), of the wedge-shaped block (15), a movable hole (23) matched with the lock catch (22) is formed in one side, close to the shell (1), of the outer portion of the lock catch box (13), and a lock catch hole (24) matched with the lock catch (22) is formed in one side, close to the lock catch box (13), of the shell (1).

3. A dust remover dust explosion-proof apparatus as set forth in claim 1, wherein: the guide structure (16) comprises auxiliary guide posts (25) fixedly connected to the front sides of the upper end and the lower end of the inside of the lock catch box (13), auxiliary guide grooves (26) matched with the auxiliary guide posts (25) are formed in one sides, away from each other, of the wedge blocks (15), one sides, away from each other, of the wedge blocks are connected with the upper end and the lower end of the inside of the lock catch box (13) through the aid of extrusion springs (27), and the extrusion springs (27) are sleeved outside the auxiliary guide posts (25).

4. A dust remover dust explosion-proof apparatus as set forth in claim 1, wherein: a main guide groove (28) is formed in one side, close to the shell (1), of the pushing block (19), and a main guide column (29) matched with the main guide groove (28) for use is fixedly connected to one side, close to the shell (1), of the inside of the lock catch box (13).

5. The dust remover dust explosion-proof device as set forth in claim 4, wherein: the pushing block (19) is connected with the inside of the lock catch box (13) through a spring (30), the spring (30) is sleeved outside the main guide column (29), and one side, far away from the shell (1), of the pushing block (19) is connected with the outside of the lock catch box (13) through a button (31) fixedly connected with the outside.

6. A dust remover dust explosion-proof apparatus as set forth in claim 1, wherein: the limiting structure comprises limiting grooves (32) formed in the upper end and the lower end of the front side of the movable plate (17), and limiting blocks (33) matched with the limiting grooves (32) are fixedly connected to the upper end and the lower end inside the lock catch box (13).