CN212941956U

CN212941956U - Flue gas sack dry desulfurization dust collector with venturi structure

Info

Publication number: CN212941956U
Application number: CN202021672379.8U
Authority: CN
Inventors: 张晋娜
Original assignee: Suzhou Suman Environmental Technology Co ltd
Current assignee: Suzhou Suman Environmental Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-13
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a flue gas sack dry desulfurization dust collector with venturi structure, including desulfurizing tower, sack cleaner, draught fan, the internally mounted of sack cleaner has the bag frame, and the cover is equipped with a plurality of filter bags on the bag frame, and the bottom rotates in the sack cleaner to be connected with a plurality of rotary drums, and inside a plurality of rotary drums were located a plurality of filter bags respectively, sliding connection had the dust removal brush about the rotary drum left and right sides was equal. The utility model discloses an at inside automatic dust removal mechanism that sets up of sack cleaner, avoided the regular clearance of staff and change work, saved the manpower, compare in the mode of artifical clearance simultaneously for the dust collection efficiency of device, through the automatic dust removal mechanism who sets up, can carry out the efficient clearance to the inside filter bag of sack cleaner, the dust removal effect is better simultaneously, easy operation only needs to pass through controller control motor work operation can.

Description

Flue gas sack dry desulfurization dust collector with venturi structure

Technical Field

The utility model relates to a dust collector specifically is a flue gas sack dry process desulfurization dust collector with venturi structure.

Background

The dry flue gas desulfurization means that powdery or granular absorbent, adsorbent or catalyst is used to remove gases containing sulfide in the flue gas, CaCO3 sprayed into a hearth is calcined at high temperature and decomposed into CaO, and the CaO reacts with SO2 in the flue gas to generate calcium sulfate; the method has the advantages that the process is simple, the problems of sewage and waste acid treatment are solved, the energy consumption is low, especially the purified flue gas has high temperature, the flue gas is favorable for exhaust diffusion of a chimney, the phenomenon of white smoke is avoided, the purified flue gas does not need secondary heating, and the corrosivity is low; its disadvantages are low desulfurizing efficiency, large equipment, large investment, large occupied area and high requirement for operation technique.

The sack cleaner filters the exhaust flue gas in the desulfurizing tower often need to be used to dry desulfurization in-process, but, present sack cleaner uses long-time back, and the inside many dusts of being infected with of filter bag, staff need regularly clear up or change the filter bag in the dust remover, unusual inconvenience, if do not clear up then can influence the dust removal effect of dust remover. Therefore, the utility model provides a flue gas sack dry desulfurization dust collector with venturi structure to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas sack dry process desulfurization dust collector with venturi structure to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flue gas bag dry-method desulfurization and dust removal device with a Venturi structure, which comprises a desulfurization tower, a bag-type dust remover and an induced draft fan, a bag frame is arranged in the bag-type dust collector, a plurality of filter bags are sleeved on the bag frame, a plurality of rotary drums are rotatably connected at the bottom in the bag-type dust collector, and a plurality of rotary drums are respectively positioned in the filter bags, the left side and the right side of each rotary drum are both connected with a dust removal brush in a vertical sliding manner, a reciprocating screw rod which is rotatably connected to the inner bottom of the bag-type dust remover is arranged in each rotary drum, an inner gear ring is arranged on the inner side of the lower end of each rotary drum, a second gear is fixedly arranged at the lower end of each reciprocating screw rod, and a plurality of gears III which are rotationally connected with the inner bottom of the bag-type dust collector are arranged between the gears II and the inner gear ring, and the third gears are meshed with the inner gear ring and the second gears, the first gears are fixedly mounted at the lower ends of the outer parts of the rotary drums, and the adjacent first gears are meshed with each other.

As a further aspect of the present invention: venturi tubes are connected between the desulfurizing tower and the bag-type dust remover, and smoke boxes are connected between the bag-type dust remover and the draught fan.

As a further aspect of the present invention: the periphery of the reciprocating screw rod is in threaded connection with a threaded sleeve, and the two dust removing brushes are respectively and fixedly connected to the two sides of the threaded sleeve.

As a further aspect of the present invention: the inner bottom of the bag-type dust collector is fixedly provided with a protective shell, and a plurality of first gears are arranged inside the protective shell.

As a further aspect of the present invention: a motor is fixedly mounted on one side of the outer portion of the bag-type dust collector, driving wheels are fixedly mounted on the periphery sides of a motor shaft of the motor and the lower end of a rotary drum, and driving belts are sleeved on the periphery sides of the two driving wheels.

As a further aspect of the present invention: the outside fixed mounting of sack cleaner has the controller, and controller and motor electric connection, and the lower part of sack cleaner is provided with the unloading valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an at inside automatic dust removal mechanism that sets up of sack cleaner, avoided the regular clearance of staff and change work, saved the manpower, compared in the mode of artifical clearance simultaneously for the dust collection efficiency of device.

2. The utility model discloses an automatic dust removal mechanism that sets up can carry out the efficient clearance to the inside filter bag of sack cleaner, and dust removal effect is better simultaneously, and easy operation only needs to pass through controller control motor work operation can.

Drawings

FIG. 1 is a schematic structural diagram of a cloth bag dry desulfurization dust-removal device for flue gas with a Venturi structure.

Fig. 2 is a schematic diagram of the internal structure of a bag-type dust collector in a flue gas bag-type dry desulfurization dust collector with a venturi structure.

FIG. 3 is a schematic diagram of the internal structure of a drum in a flue gas bag-type dry desulfurization dust-removal device with a Venturi structure.

FIG. 4 is a schematic top view of the inside of the rotary drum of the flue gas bag-type dry desulfurization dust-removal device with a Venturi structure.

In the figure: 1. a desulfurizing tower; 2. a bag-type dust collector; 3. a smoke box; 4. an induced draft fan; 5. a venturi tube; 6. a motor; 7. an ash discharge valve; 8. a controller; 9. a filter bag; 10. a rotating drum; 11. a dust removal brush; 12. a bag holder; 13. a protective shell; 14. a first gear; 15. a transmission belt; 16. a driving wheel; 17. a threaded sleeve; 18. a reciprocating screw rod; 19. a second gear; 20. an inner gear ring; 21. and a third gear.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a flue gas bag dry desulfurization dust-removing device with a venturi structure comprises a desulfurization tower 1, a bag-type dust remover 2, and an induced draft fan 4, wherein a venturi tube 5 is connected between the desulfurization tower 1 and the bag-type dust remover 2, a smoke box 3 is connected between the bag-type dust remover 2 and the induced draft fan 4, a bag holder 12 is installed inside the bag-type dust remover 2, a plurality of filter bags 9 are sleeved on the bag holder 12, a plurality of rotary drums 10 are rotatably connected to the bottom of the bag-type dust remover 2, the rotary drums 10 are respectively located inside the filter bags 9, dust-removing brushes 11 are slidably connected to the left and right sides of the rotary drums 10 from top to bottom, a reciprocating screw rod 18 rotatably connected to the bottom of the bag-type dust remover 2 is arranged inside the rotary drum 10, a threaded sleeve 17 is connected, an inner toothed ring 20 is arranged on the inner side of the lower end of the rotary drum 10, a gear II 19 is fixedly mounted at the lower end of the reciprocating screw rod 18, a plurality of gears III 21 which are rotatably connected to the inner bottom of the bag-type dust collector 2 are arranged between the gear II 19 and the inner toothed ring 20, the plurality of gears III 21 are uniformly meshed with the inner toothed ring 20 and the gear II 19, the rotary drum 10 drives the dust removing brushes 11 on the two sides to rotate, the rotary drum 10 is driven by the inner toothed ring 20 and the plurality of gears III 21 to rotate the reciprocating screw rod 18, the rotary reciprocating screw rod 18 is in threaded connection with the dust removing brushes 11 through a threaded sleeve 17, and the dust removing brushes 11 are connected to the rotary drum 10 in a vertical sliding manner, so that the rotary reciprocating screw rod 18 enables the dust removing brushes 11 to reciprocate on the two sides of the rotary drum 10, and;

the lower ends of the outer parts of the plurality of rotary drums 10 are fixedly provided with first gears 14, two adjacent first gears 14 are meshed with each other, the rotary drum 10 rotates through the plurality of first gears 14 meshed with each other, so that the plurality of rotary drums 10 rotate in the filter bag 9, the inner bottom of the bag-type dust collector 2 is fixedly provided with a protective shell 13, and a plurality of gears 14 are all arranged inside the protective shell 13, a motor 6 is fixedly arranged on one side of the outer part of the bag-type dust collector 2, a driving wheel 16 is fixedly arranged on the periphery of the lower end of a motor shaft of the motor 6 and the periphery of the lower end of a rotary drum 10, and the transmission belt 15 is sleeved on the peripheral sides of the two transmission wheels 16, the controller 8 is fixedly arranged outside the bag-type dust collector 2, and the controller 8 is electrically connected with the motor 6, the controller 8 controls the motor 6 to work, a motor shaft of the motor 6 enables a rotary drum 10 to rotate through a driving wheel 16 and a driving belt 15, and the lower part of the bag-type dust collector 2 is provided with an ash discharge valve 7.

The utility model discloses a theory of operation is:

when the dust removal device is used, the controller 8 controls the motor 6 to work, a motor shaft of the motor 6 enables a rotary drum 10 to rotate through a transmission wheel 16 and a transmission belt 15, the rotary drum 10 enables the rotary drums 10 to rotate in the filter bag 9 through a plurality of gears 14 which are meshed with each other, the rotary drums 10 drive dust removal brushes 11 on two sides of the rotary drum 10 to rotate, the rotary drum 10 drives the rotary drums 10 through an inner toothed ring 20 and a plurality of gears three 21 to rotate, a reciprocating screw rod 18 rotates, the rotary reciprocating screw rod 18 is in threaded connection with the dust removal brushes 11 through a threaded sleeve 17, the dust removal brushes 11 are connected to the rotary drum 10 in a sliding mode from top to bottom, and therefore the rotary reciprocating screw rod 18 enables the dust removal brushes 11 to reciprocate on two sides of the rotary drum 10 and perform efficient cleaning and dust removal on.

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. A flue gas sack dry-method desulfurization and dust removal device with a Venturi structure comprises a desulfurization tower (1), a sack cleaner (2) and an induced draft fan (4), and is characterized in that a bag frame (12) is installed inside the sack cleaner (2), a plurality of filter bags (9) are sleeved on the bag frame (12), a plurality of rotary drums (10) are rotatably connected to the inner bottom of the sack cleaner (2), the rotary drums (10) are respectively positioned inside the filter bags (9), dust removing brushes (11) are vertically and slidably connected to the left side and the right side of each rotary drum (10), reciprocating screw rods (18) rotatably connected to the inner bottom of the sack cleaner (2) are arranged inside the rotary drums (10), inner toothed rings (20) are arranged on the inner sides of the lower ends of the rotary drums (10), gear II (19) are fixedly installed at the lower ends of the reciprocating screw rods (18), and gear III (21) rotatably connected to the inner bottom of the sack cleaner (2) are arranged between the gear II (19, and a plurality of gears III (21) are meshed with the inner gear ring (20) and the gears II (19) uniformly, a gear I (14) is fixedly mounted at the lower end of the outer part of the rotary drum (10), and two adjacent gears I (14) are meshed with each other.

2. The flue gas bag dry desulfurization dust collector with Venturi structure according to claim 1, characterized in that a Venturi tube (5) is connected between the desulfurization tower (1) and the bag-type dust collector (2), and a smoke box (3) is connected between the bag-type dust collector (2) and the induced draft fan (4).

3. The cloth bag dry desulfurization and dust removal device for flue gas with venturi structure as claimed in claim 1, wherein the periphery of said reciprocating screw rod (18) is screw-connected with a threaded sleeve (17), and two dust removing brushes (11) are respectively fixedly connected to two sides of the threaded sleeve (17).

4. The flue gas cloth bag dry desulfurization dust removal device with the Venturi structure as claimed in claim 1, characterized in that a protective shell (13) is fixedly installed at the inner bottom of the cloth bag dust remover (2), and a plurality of first gears (14) are all arranged inside the protective shell (13).

5. The flue gas bag dry desulfurization dust removal device with the Venturi structure as claimed in claim 1, characterized in that a motor (6) is fixedly installed on one side of the outer portion of the bag-type dust remover (2), driving wheels (16) are fixedly installed on the periphery sides of the motor shaft of the motor (6) and the lower end of a rotary drum (10), and a driving belt (15) is sleeved on the periphery sides of the two driving wheels (16).

6. The flue gas bag dry desulfurization dust removal device with the Venturi structure according to claim 1, characterized in that a controller (8) is fixedly installed outside the bag-type dust remover (2), the controller (8) is electrically connected with the motor (6), and an ash discharge valve (7) is arranged at the lower part of the bag-type dust remover (2).