CN214437648U

CN214437648U - Boiler flue gas processing apparatus

Info

Publication number: CN214437648U
Application number: CN202023346890.1U
Authority: CN
Inventors: 田中
Original assignee: Deqing Lvneng Thermal Power Co ltd
Current assignee: Deqing Lvneng Thermal Power Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-22
Anticipated expiration: 2030-12-31

Abstract

The application relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment device which comprises a treatment barrel with an air inlet pipe and an air outlet pipe, wherein a fan is arranged in the air outlet pipe, and the bottom of the treatment barrel is provided with a discharge hole; a dust absorption mechanism is arranged in the processing barrel, and the air outlet pipe and the air inlet pipe are respectively positioned at the upper side and the lower side of the dust absorption mechanism; the dust collection mechanism comprises a turntable which is arranged at intervals with the inner wall of the side part of the processing barrel, a plurality of dust collection cloth bags which are circumferentially arranged around the axis of the turntable are arranged at the lower side of the turntable, and all the dust collection cloth bags are rotatably connected to the turntable through vertical rods; the first gears are fixedly sleeved on all the vertical rods, the same inner gear ring is meshed with all the first gears, and the inner gear ring is arranged on the inner wall of the treatment barrel; the treatment barrel is also internally provided with a driving mechanism for driving the rotating disc to rotate around the axis of the treatment barrel and a brushing mechanism for all the dust removing cloth bags to rotate and abut against. This application can improve the clearance effect to the dust.

Description

Boiler flue gas processing apparatus

Technical Field

The application relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment device.

Background

Because the flue gas generated by boiler combustion contains a large amount of dust, the boiler can be discharged only by dedusting through the bag-type dust remover.

Through retrieval, Chinese patent publication No. CN209475807U discloses a novel bag-type dust collector, which comprises an ash bucket, a middle box and an upper box, and is characterized in that the ash bucket is provided with two large and small openings, the large-caliber end of the ash bucket is fixedly connected with the middle box, the small-caliber end of the ash bucket is embedded with a dust outlet barrel, the dust outlet barrel is connected with a sealing cover, the side wall of the middle box is provided with an air inlet pipe, the inner wall of the middle box is provided with a chute, a plurality of slide bars are vertically arranged at the gap of the chute, the surfaces of the slide bars are sleeved with springs, the upper ends of the springs are in contact with a supporting plate, the supporting plate is in sliding connection with the slide bars, the dust collector is used for treating smoke generated when various boilers and incinerators burn, the smoke enters the dust collector through the air inlet pipe under the negative pressure of an air blower, coarse dust falls into the ash bucket, fine dust rises into the middle box along with the air flow, the middle box is fully hung with a dust collecting bag, the air flow passes through the dust collecting bag to retain the fine dust collecting bag on the outer surface of the dust collecting bag, and (4) allowing the filtered pure air to enter the upper box until the air outlet pipe, and finishing the dust removal process.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: under the vibration of the vibration motor, more dust still remains on the dust removal cloth bag, which affects the subsequent dust collection effect of the dust removal cloth bag, and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the clearance effect to the dust, this application provides a boiler flue gas processing apparatus.

The application provides a boiler flue gas processing apparatus adopts following technical scheme: a boiler flue gas treatment device comprises a treatment barrel with an air inlet pipe and an air outlet pipe, wherein a fan is arranged in the air outlet pipe, and the bottom of the treatment barrel is provided with a discharge hole; a dust absorption mechanism is arranged in the processing barrel, and the air outlet pipe and the air inlet pipe are respectively positioned at the upper side and the lower side of the dust absorption mechanism; the dust collection mechanism comprises a turntable which is arranged at intervals with the inner wall of the side part of the processing barrel, a plurality of dust collection cloth bags which are circumferentially arranged around the axis of the turntable are arranged at the lower side of the turntable, and all the dust collection cloth bags are rotatably connected to the turntable through vertical rods; the first gears are fixedly sleeved on all the vertical rods, the same inner gear ring is meshed with all the first gears, and the inner gear ring is arranged on the inner wall of the treatment barrel; the treatment barrel is also internally provided with a driving mechanism for driving the rotating disc to rotate around the axis of the treatment barrel and a brushing mechanism for all the dust removing cloth bags to rotate and abut against.

Through adopting above-mentioned technical scheme, under the effect of fan, be located the flue gas in the air-supply line and will enter into in the processing barrel and discharge from the play tuber pipe, partial dust in the flue gas will be discharged from the discharge gate under self action of gravity, and all the other dusts will be attached to on the outer wall of dust removal sack. When being attached to more dust on the dust removal sack, it is rotatory around self axis to drive the carousel through actuating mechanism, and the carousel will drive all dust removal sacks rotatory to make first gear on the montant rotatory on the inner ring gear, so the dust removal sack also carries out the rotation when revoluting the carousel axis rotation, makes the brush remove the mechanism can be with the dust of attaching to on the dust removal sack outer wall comprehensive brush remove, thereby has improved the clearance effect to the dust.

Optionally, actuating mechanism includes and is the pole of wearing to establish that the coaxial line set up with the carousel, wears to establish the pole and rotates to be connected in the processing barrel, wears to establish the upper end of pole and wears out outside the processing barrel, wears to establish the lower extreme of pole and connects in the carousel.

Through adopting above-mentioned technical scheme, the pole is worn to establish in the rotation and wears to wear out the outer one end of processing bucket, can make the carousel rotatory around self axis, and the brush removes the mechanism and will brush the dust attached to on the dust removal sack outer wall and remove convenient operation.

Optionally, the end of the penetrating rod penetrating out of the treatment barrel is fixedly sleeved with a second gear, a rack is meshed with the second gear, and the rack is connected to the treatment barrel in a sliding mode along the length direction of the rack.

Through adopting above-mentioned technical scheme, when promoting the rack motion, the rack will drive the second gear and wear to establish the pole rotation for the dust brush that the mechanism will be attached to on the dust removal sack outer wall is removed to the brush, convenient operation.

Optionally, a spring connected to the rack is arranged on the processing barrel.

By adopting the technical scheme, when the rack is pushed to move, the rack drives the second gear and the penetrating rod to rotate, the spring deforms, and the brushing mechanism brushes away dust attached to the outer wall of the dust removal cloth bag; when the promotion of cancellation to the rack, the spring will reply to natural state and make the rack slide and reset for the second gear with wear to establish the pole antiport, the brush removes the mechanism and will brush the dust secondary attached to on the dust removal sack outer wall and remove, has improved the clearance effect to the dust.

Optionally, the lower surface of the turntable is provided with a plurality of filter holes for filtering dust, the filter holes penetrate through the upper surface of the turntable, and the inner wall of the treatment barrel is provided with a scraper abutting against the lower surface of the turntable.

Through adopting above-mentioned technical scheme, back in the flue gas enters into the processing barrel, the air will pass the filtration pore and from going out the tuber pipe discharge, and the dust will be attached to the lower surface of carousel, has improved the filtration efficiency to the dust. When the driving mechanism drives the rotary disc to rotate around the axis of the rotary disc, the scraper scrapes off dust attached to the lower surface of the rotary disc, and the scraped dust is discharged from the discharge hole, so that the dust is not easy to block the filter hole.

Optionally, the brushing mechanism comprises a plurality of brushes which are used for the outer walls of all the dust removing cloth bags to rotate and abut against, and the brushes are arranged on the inner wall of the processing barrel.

By adopting the technical scheme, in the rotating process of the dust removing cloth bag, the outer wall of the dust removing cloth bag is in rotary contact with the hairbrush, and the hairbrush brushes away dust attached to the outer wall of the dust removing cloth bag.

Optionally, the inner wall of the treatment barrel is provided with a plurality of insertion grooves for inserting the corresponding brushes, the insertion grooves penetrate through the outer wall of the treatment barrel, and one ends of the brushes, which are far away from the dust removal cloth bag, penetrate out of the insertion grooves.

Through adopting above-mentioned technical scheme, the one end that the pulling brush wore out outside the inserting groove can be taken out the brush from the inserting groove, the dismouting of brush of being convenient for.

Optionally, one end of the brush, which penetrates out of the insertion groove, is provided with a limiting groove extending in the vertical direction, a limiting rod is inserted in the limiting groove, and the limiting rod is connected to the treatment barrel in a sliding manner in the vertical direction.

Through adopting above-mentioned technical scheme, when the brush removed the dust of attached to on the dust removal sack outer wall, the gag lever post will peg graft at the spacing inslot for the brush is fixed by spacingly in the inserting groove, has improved the stability of brush when the brush removed the dust.

To sum up, the application comprises the following beneficial technical effects:

1. the dust collection mechanism, the driving mechanism and the brushing mechanism are arranged, so that the dust collection cloth bag can rotate around the axis of the rotating disc, and the brushing mechanism can completely brush dust attached to the outer wall of the dust collection cloth bag, thereby improving the dust cleaning effect;

2. the arrangement of the penetrating rod, the first gear, the rack and the spring can enable the brushing mechanism to brush off dust attached to the outer wall of the dust removal cloth bag for two times by pushing the rack to move, so that the dust cleaning effect is improved;

3. the setting of filtration pore and scraper blade for partial dust is attached to the lower surface of carousel, has improved the filtration efficiency to the dust, and the scraper blade can strike off the dust of attaching to the carousel lower surface, makes the difficult filtration pore that blocks up of dust.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view of the inside of a processing tank in the embodiment of the present application;

fig. 3 is a schematic sectional structure view showing the structure below the turntable in the embodiment of the present application.

Reference numerals: 1. a treatment barrel; 11. an air inlet pipe; 12. an air outlet pipe; 13. a fan; 14. a discharge port; 15. an inner gear ring; 16. a connecting plate; 17. a squeegee; 18. inserting grooves; 19. a fixing plate; 191. a through hole; 2. a dust suction mechanism; 21. a turntable; 211. an outer ring; 212. an inner disc; 213. filtering holes; 22. a dust removal cloth bag; 23. a vertical rod; 24. a second bearing; 25. a first gear; 3. a drive mechanism; 31. a rod is arranged in a penetrating way; 32. a first bearing; 33. a second gear; 34. a rack; 35. a vertical plate; 36. a limiting column; 37. a spring; 4. a brushing mechanism; 41. a brush; 411. a limiting groove; 42. a limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses boiler flue gas processing apparatus. As shown in fig. 1 and 2, a boiler flue gas treatment device comprises a treatment barrel 1 with an air inlet pipe 11 and an air outlet pipe 12, wherein a fan 13 is installed on the inner wall of the air outlet pipe 12, the treatment barrel 1 is a round barrel, and the bottom of the treatment barrel 1 is funnel-shaped and is provided with a discharge hole 14.

As shown in fig. 2, a dust suction mechanism 2 is disposed in the processing barrel 1, and the air outlet pipe 12 and the air inlet pipe 11 are respectively disposed at the upper and lower sides of the dust suction mechanism 2. The dust suction mechanism 2 comprises a turntable 21 which is coaxially arranged with the treatment barrel 1, the turntable 21 comprises an outer ring 211 and an inner disc 212, the outer ring 211 is fixedly sleeved on the inner disc 212, and the outer diameter of the outer ring 211 is smaller than the inner diameter of the treatment barrel 1; the lower side of the outer ring 211 is provided with a plurality of dust removing cloth bags 22 which are circumferentially arranged around the axis of the outer ring 211, and the upper ends of all the dust removing cloth bags 22 are fixed with vertical rods 23 connected with the outer ring 211.

Under the action of the fan 13, the flue gas in the air inlet pipe 11 enters the processing barrel 1, air passes through the gap between the outer wall of the outer ring 211 and the inner wall of the processing barrel 1 and is discharged from the air outlet pipe 12, part of dust in the flue gas is discharged from the discharge hole 14 under the action of self gravity, and the rest of dust is attached to the outer wall of the dust removal cloth bag 22.

As shown in fig. 2, the lower surface of the inner disc 212 is provided with a plurality of filtering holes 213 penetrating through the upper surface of the inner disc 212, and the filtering holes 213 are arranged so that part of air can pass through the filtering holes 213 and be discharged from the air outlet pipe 12, and dust which cannot pass through the filtering holes 213 is attached to the lower surface of the inner disc 212, thereby improving the dust cleaning efficiency.

As shown in fig. 2, a driving mechanism 3 and a brushing mechanism 4 for the outer walls of all the dust removing cloth bags 22 to rotatably abut against are arranged in the processing barrel 1. The driving mechanism 3 comprises a penetrating rod 31 and a first bearing 32 which are coaxially arranged with the inner disc 212, and the outer ring of the first bearing 32 is fixed on the outer wall of the top of the processing barrel 1; the penetrating rod 31 penetrates through the processing barrel 1 in a sliding mode along the vertical direction, the upper end of the penetrating rod 31 penetrates out of the processing barrel 1 and is fixedly embedded in the inner ring of the first bearing 32, and therefore the penetrating rod 31 can only rotate around the axis of the penetrating rod 31; the lower end of the penetrating rod 31 is fixedly connected to the center of the upper surface of the inner disc 212, so that the penetrating rod 31 can drive the rotating disc 21 to rotate around the axis of the rotating disc, and the brushing mechanism 4 brushes away dust attached to the outer wall of the dust removal cloth bag 22.

As shown in fig. 2, the upper end of the penetrating rod 31 is fixedly sleeved with a second gear 33, a rack 34 horizontally arranged is engaged on the second gear 33, and a rectangular through groove is formed at the end of the rack 34; be fixed with two risers 35 on the top outer wall of processing barrel 1, be fixed with same spacing post 36 between two risers 35, spacing post 36 slides and inlays and establish in the logical inslot of rectangle for rack 34 can only follow the extending direction of self and slide.

As shown in fig. 2, a spring 37 is wound on the limiting column 36, one end of the spring 37 is fixedly connected to the rack 34, and the other end of the spring 37 is fixedly connected to one of the vertical plates 35. When the rack 34 is pushed to move, the rack 34 drives the second gear 33 and the penetration rod 31 to rotate, the spring 37 deforms, and the brushing mechanism 4 brushes away dust attached to the outer wall of the dust removal cloth bag 22; when the pushing to the rack 34 is cancelled, the spring 37 returns to the natural state and causes the rack 34 to slide and reset, so that the second gear 33 and the penetrating rod 31 rotate reversely, the brushing mechanism 4 brushes the dust attached to the outer wall of the dust removing cloth bag 22 for the second time, and the dust cleaning effect is improved.

As shown in fig. 2, a plurality of second bearings 24 are arranged on the upper side of the outer ring 211, the second bearings 24 correspond to the vertical rods 23 one by one, and the outer ring of the second bearing 24 is fixed on the upper surface of the outer ring 211; the upper ends of all the vertical rods 23 penetrate through the outer ring 211 and are fixedly embedded in the inner ring of the second bearing 24, so that the vertical rods 23 can only rotate around the axes of the vertical rods.

As shown in fig. 2, the upper ends of all the vertical rods 23 are fixedly sleeved with first gears 25, an inner gear ring 15 is fixedly embedded in the processing barrel 1, and the inner gear ring 15 is meshed with all the first gears 25. When the turntable 21 drives all the dust removal cloth bags 22 to rotate, the first gear 25 on the vertical rod 23 is driven to rotate by the inner gear ring 15, so that the dust removal cloth bags 22 rotate around the axis of the turntable 21, the brushing mechanism 4 can brush and remove dust attached to the outer wall of the dust removal cloth bags 22 comprehensively, and the dust cleaning effect is improved.

As shown in fig. 3, a connecting plate 16 is fixed on the inner wall of the processing barrel 1, the connecting plate 16 is vertically arranged, a scraper 17 abutting against the lower surface of the inner disc 212 is fixed at the upper end of the connecting plate 16, and the scraper 17 extends along the radial direction of the inner disc 212. During the rotation of the inner disc 212, the scraper 17 will brush off the dust attached to the lower surface of the inner disc 212, so that the dust will not easily block the filter holes 213, and the brushed-off dust will be discharged from the discharge port 14.

As shown in FIG. 2, the brushing mechanism 4 comprises a plurality of brushes 41 disposed on the inner wall of the processing barrel 1, and the brushes 41 will brush away the dust attached to the outer wall of the dust-removing cloth bag 22 during the rotation of the dust-removing cloth bag 22.

As shown in fig. 2 and 3, the inner wall of the processing barrel 1 is provided with a plurality of insertion grooves 18, the insertion grooves 18 penetrate through the outer wall of the processing barrel 1, the insertion grooves 18 correspond to the brushes 41 one by one, the brushes 41 are inserted into the insertion grooves 18, and one ends of the brushes 41 far away from the dust removal cloth bag 22 penetrate out of the insertion grooves 18. The brush 41 can be taken out from the inserting groove 18 by pulling the end of the brush 41 which penetrates out of the inserting groove 18, so that the brush 41 can be conveniently disassembled and assembled.

A limit groove 411 extending along the vertical direction is arranged at one end of the brush 41 penetrating out of the inserting groove 18; the outer wall of the processing barrel 1 is fixed with a plurality of fixing plates 19, the fixing plates 19 correspond to the brushes 41 one by one, the fixing plates 19 are positioned above the brushes 41, the fixing plates 19 are provided with through holes 191 corresponding to the limiting grooves 411, and the limiting rods 42 are embedded in the through holes 191 in a sliding manner. When the brush 41 brushes off the dust attached to the outer wall of the dust removal cloth bag 22, the limiting rod 42 is inserted into the through hole 191 and the limiting groove 411, so that the brush 41 is limited and fixed in the insertion groove 18, and the stability of the brush 41 during dust brushing off is improved.

The implementation principle of the boiler flue gas treatment device in the embodiment of the application is as follows: under the action of the fan 13, the flue gas in the air inlet pipe 11 enters the processing barrel 1 and is discharged from the air outlet pipe 12, a part of dust is discharged from the discharge hole 14 under the action of self gravity, the other part of dust is attached to the outer wall of the dust removal cloth bag 22, and the other part of dust is attached to the lower surface of the inner disc 212.

When more dust is attached to the outer wall of the dust removal cloth bag 22 and the lower surface of the inner disc 212, the rack 34 is pushed to move, the rack 34 drives the second gear 33 and the penetration rod 31 to rotate, and the spring 37 deforms; the penetrating rod 31 drives the rotary disc 21 to rotate around the axis of the rotary disc, the scraper 17 brushes away dust attached to the lower surface of the inner disc 212, the rotary disc 21 drives all the dust removing cloth bags 22 to rotate, and the first gear 25 on the vertical rod 23 rotates on the internal gear ring 15, so that the dust removing cloth bags 22 rotate around the axis of the rotary disc 21 and also rotate; the brush 41 will brush the dust attached to the outer wall of the dust-removing cloth bag 22, thereby improving the dust cleaning effect.

When the pushing to the rack 34 is cancelled, the spring 37 returns to the natural state and urges the rack 34 to slide and return, so that the second gear 33, the penetrating rod 31 and the rotary disc 21 rotate reversely, the brush 41 brushes off the dust attached to the outer wall of the dust removal cloth bag 22 for a second time, and the dust cleaning effect is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a boiler flue gas processing apparatus which characterized in that: comprises a processing barrel (1) with an air inlet pipe (11) and an air outlet pipe (12), wherein a fan (13) is arranged in the air outlet pipe (12), and a discharge hole (14) is arranged at the bottom of the processing barrel (1); a dust suction mechanism (2) is arranged in the processing barrel (1), and the air outlet pipe (12) and the air inlet pipe (11) are respectively positioned at the upper side and the lower side of the dust suction mechanism (2); the dust collection mechanism (2) comprises a turntable (21) which is arranged at an interval with the inner wall of the side part of the processing barrel (1), a plurality of dust collection cloth bags (22) which are circumferentially arranged around the axis of the turntable (21) are arranged at the lower side of the turntable (21), and all the dust collection cloth bags (22) are rotatably connected to the turntable (21) through vertical rods (23); all the vertical rods (23) are fixedly sleeved with first gears (25), all the first gears (25) are meshed with the same inner gear ring (15), and the inner gear ring (15) is arranged on the inner wall of the treatment barrel (1); the processing barrel (1) is also internally provided with a driving mechanism (3) for driving the turntable (21) to rotate around the axis of the turntable and a brushing mechanism (4) for all the dust removing cloth bags (22) to rotatably collide.

2. The boiler flue gas treatment device according to claim 1, wherein: actuating mechanism (3) are including wearing to establish pole (31) with carousel (21) are the coaxial line setting, wear to establish pole (31) and rotate to be connected in handling bucket (1), wear to establish the upper end of pole (31) and wear out outside handling bucket (1), wear to establish the lower extreme of pole (31) and connect in carousel (21).

3. The boiler flue gas treatment device according to claim 2, characterized in that: wear to establish pole (31) and wear out to be equipped with second gear (33) on the outer one end of handling bucket (1), the meshing has rack (34) on second gear (33), and rack (34) slide along the length direction of self and connect in handling bucket (1).

4. The boiler flue gas treatment device according to claim 3, wherein: the processing barrel (1) is provided with a spring (37) connected with the rack (34).

5. The boiler flue gas treatment device according to claim 1, wherein: the lower surface of the turntable (21) is provided with a plurality of filter holes (213) for filtering dust, the filter holes (213) penetrate through the upper surface of the turntable (21), and the inner wall of the processing barrel (1) is provided with a scraper (17) which is abutted to the lower surface of the turntable (21).

6. The boiler flue gas treatment device according to claim 1, wherein: the brushing mechanism (4) comprises a plurality of brushes (41) which are used for the outer walls of all the dust removing cloth bags (22) to rotate and abut against, and the brushes (41) are arranged on the inner wall of the processing barrel (1).

7. The boiler flue gas treatment device according to claim 6, wherein: the inner wall of the treatment barrel (1) is provided with a plurality of insertion grooves (18) for inserting corresponding brushes (41), the insertion grooves (18) penetrate through the outer wall of the treatment barrel (1), and one ends of the brushes (41) far away from the dust removal cloth bag (22) penetrate out of the insertion grooves (18).

8. The boiler flue gas treatment device according to claim 7, characterized in that: one end of the brush (41) penetrating out of the insertion groove (18) is provided with a limiting groove (411) extending in the vertical direction, a limiting rod (42) is inserted in the limiting groove (411), and the limiting rod (42) is connected to the treatment barrel (1) in a sliding mode in the vertical direction.