CN215742656U - Pre-dedusting spiral-flow type air flow distribution device for filter bag dust removal equipment - Google Patents

Abstract

The utility model relates to the technical field of flue gas filter bag dust removal equipment, in particular to a pre-dust removal spiral-flow type air flow distribution device for the filter bag dust removal equipment, which discharges smoke dust into an air pipe through dust removal equipment, the smoke dust enters into two groups of spiral-flow fans through the air pipe in a tangential direction, the two groups of driving motors respectively drive the two groups of spiral-flow fans, so that the smoke gas is changed from linear motion into rotary motion, centrifugal force is generated in the rotary motion process of the smoke dust gas, dust particles with high specific gravity are moved to side walls by overcoming air flow resistance, the particles fall off, the smoke gas uniformly enters a dust removal box through spiral-flow plates in two groups of spiral-flow cylinders, the smoke gas is filtered through a plurality of groups of filter bags on a plurality of groups of support plates, the filtered gas is discharged through an exhaust pipe, the abrasion of large particles to the plurality of groups of filter bags is reduced, and the service life and the filtering effect of the equipment are improved; the cyclone dust collector comprises a dust collection box, a plurality of groups of supporting plates, a plurality of groups of filter bags, an air pipe, two groups of cyclone fans, two groups of cyclone cylinders, a driving motor and an exhaust pipe.

Description

Pre-dedusting spiral-flow type air flow distribution device for filter bag dust removal equipment

Technical Field

The utility model relates to the technical field of flue gas filter bag dust removal equipment, in particular to a pre-dedusting spiral-flow type air flow distribution device for filter bag dust removal equipment.

Background

Air is fed into the side part of an ash hopper where the dust-containing flue gas enters through a filter bag dust removal device at present, the air is driven by the power of a fan, the distribution of the flue gas in the filter bag dust removal device is uneven, and the flue gas stays in the dust removal device for a short time and is filtered by a filter bag and then discharged; the smoke gas contains larger particles, the abrasiveness of the smoke gas to a filter bag is larger under the drive of higher wind speed, and the filter bag is easy to damage, so that the emission of filter bag dust removal equipment exceeds the standard. The filter bag is the core component of filter bag dust collecting equipment, plays the decisive role to the dust removal effect, consequently urgently needs a device that accomplishes the dust collection effect in advance to the flue gas and can be to flue gas evenly distributed again.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a pre-dedusting cyclone type air flow distribution device for filter bag dust removal equipment, which discharges smoke dust into an air pipe through dust collection equipment, tangentially enters two sets of cyclone fans through the air pipe, drives the two sets of cyclone fans respectively to change smoke from linear motion into rotary motion, generates centrifugal force during the rotary motion of the smoke dust, enables dust particles with large specific gravity to overcome air flow resistance and move to a side wall, enables the particles to fall off, uniformly enters a dust removal box through cyclone plates in two sets of cyclone cylinders, filters the smoke gas through a plurality of sets of filter bags on a plurality of sets of support plates, discharges the filtered gas through an exhaust pipe, reduces abrasion of large particles to the plurality of sets of filter bags, and improves the service life and the filtering effect of the equipment.

The utility model relates to a pre-dedusting rotational flow type air flow distribution device for filter bag dedusting equipment, which comprises a dedusting box, a plurality of groups of supporting plates, a plurality of groups of filter bags, an air pipe, two groups of rotational flow fans, two groups of rotational flow cylinders, a driving motor and an exhaust pipe, wherein a cavity is arranged in the dedusting box, the bottom end of the exhaust pipe is connected with the left part of the top end of the dedusting box, the exhaust pipe is communicated with the interior of the dedusting box, the plurality of groups of supporting plates are all arranged in the dedusting box, the plurality of groups of filter bags are respectively arranged at the left ends of the plurality of groups of supporting plates, the top end of the air pipe extends into the interior of the dedusting box from the bottom end of the dedusting box, the front end and the rear end of the top end of the air pipe are both provided with dust discharge ports, the two groups of rotational flow fans are respectively arranged on the dust discharge ports at the front end and the rear end of the air pipe, the right ends of the two groups of rotational flow cylinders are respectively connected with the left ends of the two groups of rotational flow fans, and the rotational flow plates are arranged in the two groups of rotational flow cylinders, the two groups of driving motors are respectively arranged at the right ends of the two groups of cyclone fans; install the bottom of tuber pipe to dust collecting equipment on, discharge the inside to the tuber pipe through dust collecting equipment with the smoke and dust, and get into the inside to two sets of whirl fans through the tuber pipe tangential, drive two sets of whirl fans respectively through two sets of driving motor simultaneously, make the flue gas become rotary motion by linear motion, make the smoke and dust gas in the rotary motion process, produce centrifugal force, make the great dust particle of proportion overcome the air current resistance and move to the limit wall, later the granule collides the limit wall, lose inertia power and pass through the action of gravity, make the granule drop, simultaneously through the whirl board in two sets of whirl section of thick bamboo, make even the entering to the dust-collecting box of flue gas, filter the flue gas through the multiunit filter bag in the multiunit backup pad, the gaseous discharge after the rethread blast pipe will filter, reduce the abrasion of large granule to the multiunit filter bag, thereby improve equipment's life and filter effect.

Preferably, the cyclone separator further comprises two groups of baffles, and the top ends of the two groups of baffles are respectively and rotatably connected with the top parts of the left ends of the two groups of cyclone cylinders; the flue gas is discharged by the left end of two sets of whirl section of thick bamboos, blocks the flue gas through two sets of baffles, makes the velocity of flow of flue gas reduce, makes things convenient for the multiunit filter bag to filter the flue gas to improve equipment's practicality.

Preferably, the dust removal device further comprises an air compressor, an automatic pressure release valve and a filter screen, wherein the top end of the exhaust pipe is provided with the exhaust valve, the bottom ends of the air compressor and the automatic pressure release valve are both connected with the top end of the dust removal box, the left end of the air compressor is provided with an air suction port, the bottom end of the air compressor is provided with an air exhaust port, the air exhaust port of the air compressor is communicated with the interior of the dust removal box, and the top end of the filter screen is connected with the bottom end of the automatic pressure release valve; open the air compressor machine and compress the air, later the air compressor machine with compressed air discharge to the dust removal incasement portion, reverse blow multiunit filter bag, blow off dust and particulate matter on the multiunit filter bag, simultaneously through blockking of two sets of baffles, reduce the dust that gets into to the tuber pipe in, later automatic relief valve is automatic to be opened, filters the back through the filter screen and with the unnecessary air escape in the dust removal incasement to improve the convenience to multiunit filter bag clearance.

Preferably, the dust removal box also comprises an observation window, and the rear end of the observation window is connected with the left part of the front end of the dust removal box; through setting up the observation window, make things convenient for the staff to observe the filtration condition of dust removal case flue gas to improve equipment's convenience.

Preferably, the dust removal box further comprises a plurality of groups of fixed plates, a plurality of groups of handles, a vibration motor and a sealing door, the bottom in the dust removal box is a left inclined plane, the left end of the dust removal box is provided with a sewage outlet and two groups of slide rails, the top ends of the plurality of groups of supporting plates penetrate through the top end of the dust removal box and are respectively connected with the bottom ends of the plurality of groups of fixed plates, the bottom ends of the plurality of groups of handles are respectively connected with the top ends of the plurality of groups of fixed plates, the bottom ends of the plurality of groups of fixed plates are respectively fixedly connected with the top end of the dust removal box through a plurality of groups of bolts, the top end of the vibration motor is connected with the bottom end of the dust removal box, the right end of the sealing door is slidably mounted with the two groups of slide rails, and the sealing door seals and shields the sewage outlet of the dust removal box; the bolts on the multi-group fixing plate are taken down, the multi-group handles are held, the multi-group supporting plate is lifted upwards, then the vibration motor is opened, the dust on the inclined plane of the bottom in the dust removal box slides leftwards through the vibration of the dust removal box, the sealing door is pushed upwards, and the dust in the dust removal box is discharged through the sewage discharge port of the dust removal box, so that the convenience of equipment sewage discharge is improved.

Preferably, the device also comprises a discharge plate, the right end of the discharge plate is connected with the left end of the dust removal box, and the discharge plate is positioned below a drain outlet of the dust removal box; the dust of dust removal case blowdown falls in the top of row's flitch, leads the dust through row flitch, discharges again, makes things convenient for the staff to collect the processing to the dust to improve equipment's practicality.

Preferably, the dust-proof device also comprises two groups of dust-proof covers which are respectively arranged at the right ends of the two groups of cyclone fans and are respectively covered with the two groups of driving motors; through setting up two sets of dust covers, reduce the dust that enters into in two sets of driving motor, reduce two sets of driving motor's fault rate to improve equipment's life.

Compared with the prior art, the utility model has the beneficial effects that: install the bottom of tuber pipe to dust collecting equipment on, discharge the inside to the tuber pipe through dust collecting equipment with the smoke and dust, and get into the inside to two sets of whirl fans through the tuber pipe tangential, drive two sets of whirl fans respectively through two sets of driving motor simultaneously, make the flue gas become rotary motion by linear motion, make the smoke and dust gas in the rotary motion process, produce centrifugal force, make the great dust particle of proportion overcome the air current resistance and move to the limit wall, later the granule collides the limit wall, lose inertia power and pass through the action of gravity, make the granule drop, simultaneously through the whirl board in two sets of whirl section of thick bamboo, make even the entering to the dust-collecting box of flue gas, filter the flue gas through the multiunit filter bag in the multiunit backup pad, the gaseous discharge after the rethread blast pipe will filter, reduce the abrasion of large granule to the multiunit filter bag, thereby improve equipment's life and filter effect.

Drawings

FIG. 1 is a schematic view of the structure of the air duct and the swirl plate of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic view of an axial structure of a dust box and an observation window according to the present invention;

FIG. 4 is a left side view schematic diagram of the structure of the dust box and the sealing door of the present invention;

in the drawings, the reference numbers: 1. a dust removal box; 2. a support plate; 3. a filter bag; 4. an air duct; 5. a cyclone fan; 6. a cyclone; 7. a swirl plate; 8. a drive motor; 9. an exhaust pipe; 10. a baffle plate; 11. an air compressor; 12. an automatic pressure relief valve; 13. filtering with a screen; 14. an observation window; 15. a fixing plate; 16. a handle; 17. vibrating a motor; 18. a sealing door; 19. a slide rail; 20. a discharge plate; 21. a dust cover.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A chamber is arranged in the dust removing box 1, the bottom end of the exhaust pipe 9 is connected with the left part of the top end of the dust removing box 1, the exhaust pipe 9 is communicated with the interior of the dust removing box 1, a plurality of groups of supporting plates 2 are all arranged in the dust removing box 1, a plurality of groups of filter bags 3 are respectively arranged at the left ends of the plurality of groups of supporting plates 2, the top end of the air pipe 4 extends into the interior of the dust removing box 1 from the bottom end of the dust removing box 1, the front end and the rear end of the top end of the air duct 4 are respectively provided with a dust exhaust port, the two groups of cyclone fans 5 are respectively arranged on the dust exhaust ports at the front end and the rear end of the air duct 4, the right ends of the two groups of cyclone cylinders 6 are respectively connected with the left ends of the two groups of cyclone fans 5, the two groups of cyclone cylinders 6 are internally provided with cyclone plates 7, two groups of driving motors 8 are respectively arranged at the right ends of the two groups of cyclone fans 5, and the top ends of the two groups of baffles 10 are respectively and rotatably connected with the top parts of the left ends of the two groups of cyclone cylinders 6; the bottom end of an air pipe 4 is arranged on a dust collecting device, smoke dust is discharged into the air pipe 4 through the dust collecting device and enters the two sets of cyclone fans 5 through the air pipe 4 in a tangential direction, meanwhile, the two sets of cyclone fans 5 are respectively driven by two sets of driving motors 8, smoke is changed from linear motion to rotary motion, so that the smoke dust gas generates centrifugal force in the rotary motion process, dust particles with large specific gravity overcome air flow resistance and move to the side wall, then the particles collide with the side wall, inertia force is lost, the particles fall through the action of gravity, meanwhile, the smoke gas uniformly enters a dust removal box 1 through the cyclone plates 7 in the two sets of cyclone cylinders 6, the smoke gas is blocked through two sets of baffles 10, the flow rate of the smoke gas is reduced, the smoke gas is filtered through a plurality of sets of filter bags 3 on a plurality of sets of support plates 2, and the filtered gas is discharged through an exhaust pipe 9, reduce the abrasion of large particles to a plurality of groups of filter bags 3, thereby prolonging the service life of the equipment and improving the filtering effect.

Example 2

The interior of the dust removing box 1 is provided with a cavity, the bottom end of an exhaust pipe 9 is connected with the left part of the top end of the dust removing box 1, the exhaust pipe 9 is communicated with the interior of the dust removing box 1, a plurality of groups of supporting plates 2 are all arranged in the dust removing box 1, a plurality of groups of filter bags 3 are respectively arranged at the left ends of the groups of supporting plates 2, the top end of an air pipe 4 extends into the interior of the dust removing box 1 from the bottom end of the dust removing box 1, the front end and the rear end of the top end of the air pipe 4 are respectively provided with a dust exhaust port, two groups of cyclone fans 5 are respectively arranged on the dust exhaust ports at the front end and the rear end of the air pipe 4, the right ends of the two groups of cyclone cylinders 6 are respectively connected with the left ends of the two groups of cyclone fans 5, the interior of the two groups of cyclone cylinders 6 is respectively provided with a cyclone plate 7, two groups of driving motors 8 are respectively arranged at the right ends of the two groups of cyclone fans 5, the top end of the exhaust pipe 9 is provided with an exhaust valve, the bottom ends of an air compressor 11 and an automatic pressure relief valve 12 are both connected with the top end of the dust removing box 1, the left end of the air compressor 11 is provided with an air suction port, the bottom end of the air compressor 11 is provided with an exhaust port, the exhaust port of the air compressor 11 is communicated with the interior of the dust removing box 1, the top end of the filter screen 13 is connected with the bottom end of the automatic pressure relief valve 12, the bottom in the dust removing box 1 is an inclined plane inclined to the left, the left end of the dust removing box 1 is provided with a sewage outlet and two groups of slide rails 19, the top ends of the multiple groups of supporting plates 2 penetrate through the top end of the dust removing box 1 and are respectively connected with the bottom ends of the multiple groups of fixing plates 15, the bottom ends of the multiple groups of handles 16 are respectively connected with the top ends of the multiple groups of fixing plates 15, the bottom ends of the multiple groups of fixing plates 15 are respectively fixedly connected with the top end of the dust removing box 1 through multiple groups of bolts, the top end of the vibration motor 17 is connected with the bottom end of the dust removing box 1, the right end of the sealing door 18 is slidably mounted with the two groups of sliding rails 19, and the sealing door 18 seals and shields a sewage outlet of the dust removing box 1; the bottom end of an air pipe 4 is arranged on a dust collecting device, smoke dust is discharged into the air pipe 4 through the dust collecting device and enters the two sets of cyclone fans 5 through the air pipe 4 in a tangential direction, meanwhile, the two sets of cyclone fans 5 are respectively driven by two sets of driving motors 8, smoke gas is changed from linear motion to rotary motion, so that the smoke gas generates centrifugal force in the rotary motion process, dust particles with large specific gravity overcome air flow resistance and move to the side wall, then the particles collide with the side wall, inertia force is lost, the particles fall off through the action of gravity, simultaneously, original gas uniformly enters a dust removal box 1 through the cyclone plates 7 in the two sets of cyclone cylinders 6, the smoke gas is filtered through the plurality of sets of filter bags 3 on the plurality of sets of support plates 2, the filtered gas is discharged through an exhaust pipe 9, abrasion of the plurality of sets of filter bags 3 by large particles is reduced, and then an air compressor 11 is opened to compress the air, later air compressor machine 11 emits compressed air to inside dust removal case 1, reverse blow multiunit filter bag 3, blow off dust and particulate matter on the multiunit filter bag 3, simultaneously through blockking of two sets of baffles 10, reduce the dust that enters into in the tuber pipe 4, later automatic relief valve 12 is automatic to be opened, filter the back through filter screen 13 and discharge unnecessary air in the dust removal case 1, then take off the bolt on multiunit fixed plate 15, through holding multiunit handle 16, upwards mention multiunit backup pad 2, later open shock dynamo 17, shake through dust removal case 1, make the dust on bottom inclined plane slide left in the dust removal case 1, later upwards promote sealing door 18, make the dust in the dust removal case 1 discharge through the drain of dust removal case 1, thereby improve equipment's life and filter effect.

As shown in fig. 1 to 4, in the pre-dedusting rotational flow type airflow distribution device for filter bag dust removing equipment of the present invention, during operation, the bottom end of an air duct 4 is first installed on a dust collecting device, smoke dust is discharged into the air duct 4 through the dust collecting device, and enters the two sets of rotational flow fans 5 through the air duct 4 in a tangential direction, and simultaneously, the two sets of rotational flow fans 5 are respectively driven by two sets of driving motors 8, so that the smoke gas changes from linear motion to rotary motion, so that the smoke gas generates centrifugal force during the rotary motion, dust particles with large specific gravity move to the side wall by overcoming the airflow resistance, then the particles collide with the side wall, lose inertia force and drop the particles by gravity, and simultaneously, the original gas uniformly enters a dust removing box 1 through the rotational flow plates 7 in the two sets of rotational flow cylinders 6, and then the smoke gas is blocked by the two sets of baffles 10, so that the flow rate of the smoke gas is reduced, then, the smoke is filtered through a plurality of groups of filter bags 3 on a plurality of groups of supporting plates 2, the filtered gas is discharged through an exhaust pipe 9, the abrasion of large particles to the plurality of groups of filter bags 3 is reduced, then, when the interior of the dust removal box 1 is cleaned, an air compressor 11 is opened to compress the air, then, the air compressor 11 discharges the compressed air into the dust removal box 1, the plurality of groups of filter bags 3 are blown reversely to blow off the dust and particulate matters on the plurality of groups of filter bags 3, meanwhile, the dust entering the air pipe 4 is reduced through the blocking of two groups of baffles 10, then, an automatic pressure release valve 12 is automatically opened, the redundant air in the dust removal box 1 is discharged after being filtered through a filter screen 13, then, bolts on a plurality of groups of fixing plates 15 are taken down, a plurality of groups of handles 16 are held to lift up the plurality of groups of supporting plates 2, then, a vibration motor 17 is opened, and the dust on the inclined plane at the bottom in the dust removal box 1 slides leftwards, afterwards upwards promote sealing door 18, make the dust in the dust removal case 1 arrange to the top of discharge bar 20 through the drain of dust removal case 1, lead to the dust through discharge bar 20, discharge again, make things convenient for the staff to collect the dust and handle can.

The main functions realized by the utility model are as follows: the particles in the flue gas fall, the abrasion of the particles to a plurality of groups of filter bags 3 is reduced, and the dust in the groups of filter bags 3 and the dust removal box 1 is conveniently treated and discharged.

The pre-dedusting spiral-flow type air flow distribution device for the filter bag dedusting equipment has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the pre-dedusting spiral-flow type air flow distribution device can be implemented as long as the beneficial effects of the pre-dedusting spiral-flow type air flow distribution device can be achieved; the two groups of cyclone fans 5, the air compressor 11 and the vibration motor 17 of the pre-dedusting cyclone type air flow distribution device for the filter bag dust removal equipment are purchased from the market, and the technical personnel in the industry only need to install and operate according to the attached operating instructions without creative labor of the technical personnel in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A pre-dedusting spiral-flow type airflow distribution device for filter bag dedusting equipment is characterized by comprising a dedusting box (1), a plurality of groups of supporting plates (2), a plurality of groups of filtering bags (3), an air pipe (4), two groups of cyclone fans (5), two groups of cyclone cylinders (6), a driving motor (8) and an exhaust pipe (9), wherein a cavity is arranged inside the dedusting box (1), the bottom end of the exhaust pipe (9) is connected with the left end of the top end of the dedusting box (1), the exhaust pipe (9) is communicated with the inside of the dedusting box (1), the plurality of groups of supporting plates (2) are all arranged inside the dedusting box (1), the plurality of groups of filtering bags (3) are respectively arranged at the left ends of the plurality of groups of supporting plates (2), the top end of the air pipe (4) extends into the inside of the dedusting box (1) from the bottom end of the dedusting box (1), and the front end and the rear end of the top end of the air pipe (4) are both provided with dust exhaust ports, two sets of cyclone fans (5) are respectively installed on dust exhaust openings at the front end and the rear end of the air pipe (4), the right ends of the two sets of cyclone cylinders (6) are respectively connected with the left ends of the two sets of cyclone fans (5), the inside of the two sets of cyclone cylinders (6) is provided with a cyclone plate (7), and two sets of driving motors (8) are respectively installed at the right ends of the two sets of cyclone fans (5).

2. The cyclone gas flow distribution device for the pre-dedusting of the filter bag dust collector in claim 1 further comprises two sets of baffles (10), wherein the top ends of the two sets of baffles (10) are respectively and rotatably connected with the top ends of the left ends of the two sets of cyclone cylinders (6).

3. The cyclone air flow distribution device for pre-dedusting of filter bag dedusting equipment as claimed in claim 1, further comprising an air compressor (11), an automatic pressure relief valve (12) and a filter screen (13), wherein the top end of the exhaust pipe (9) is provided with an exhaust valve, the bottom ends of the air compressor (11) and the automatic pressure relief valve (12) are both connected with the top end of the dedusting box (1), the left end of the air compressor (11) is provided with an air suction port, the bottom end of the air compressor (11) is provided with an air exhaust port, the air exhaust port of the air compressor (11) is communicated with the interior of the dedusting box (1), and the top end of the filter screen (13) is connected with the bottom end of the automatic pressure relief valve (12).

4. The cyclone air flow distribution device for the pre-dedusting of filter bag dedusting equipment as recited in claim 1, characterized in that the device further comprises an observation window (14), and the rear end of the observation window (14) is connected with the left part of the front end of the dedusting box (1).

5. The pre-dedusting rotational flow type air flow distribution device for the filter bag dedusting equipment according to claim 1, further comprising a plurality of sets of fixing plates (15), a plurality of sets of handles (16), a vibration motor (17) and a sealing door (18), wherein the bottom inside the dedusting box (1) is a slope inclined to the left, the left end of the dedusting box (1) is provided with a sewage outlet and two sets of sliding rails (19), the top ends of the plurality of sets of supporting plates (2) penetrate through the top end of the dedusting box (1) and are respectively connected with the bottom ends of the plurality of sets of fixing plates (15), the bottom ends of the plurality of sets of handles (16) are respectively connected with the top ends of the plurality of sets of fixing plates (15), the bottom ends of the plurality of sets of fixing plates (15) are respectively fixedly connected with the top end of the dedusting box (1) through a plurality of sets of bolts, the top end of the vibration motor (17) is connected with the bottom end of the dedusting box (1), and the right end of the sealing door (18) is slidably mounted with the two sets of sliding rails (19), and the sealing door (18) seals and shields the sewage outlet of the dust removal box (1).

6. The cyclone air flow distribution device for pre-dedusting of filter bag dust collector of claim 1, further comprising a discharge plate (20), wherein the right end of the discharge plate (20) is connected with the left end of the dust box (1), and the discharge plate (20) is located below the sewage outlet of the dust box (1).

7. The cyclone air flow distribution device for pre-dedusting of filter bag dust removing equipment as recited in claim 1, further comprising two sets of dust covers (21), wherein the two sets of dust covers (21) are respectively installed at right ends of the two sets of cyclone fans (5) and respectively shroud the two sets of driving motors (8).

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