CN218890326U

CN218890326U - Novel cyclone filter bag type dust removing device

Info

Publication number: CN218890326U
Application number: CN202222925469.9U
Authority: CN
Inventors: 李培武; 杜子良
Original assignee: Beijing Jingcheng Xinda Environmental Protection Purification Equipment Co ltd
Current assignee: Beijing Jingcheng Xinda Environmental Protection Purification Equipment Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-21
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to the field of environmental protection dust removal, and particularly discloses a novel cyclone filter bag type dust removal device which comprises a cylinder body, wherein a conical cylinder is arranged at the end of the cylinder body, a powder outlet is arranged at the lower end of the conical cylinder, a tangential air inlet is fixedly arranged at the position of the cylinder body, a plurality of lugs are fixedly arranged at the position of the cylinder body, a hanging column is fixedly arranged above the cylinder body, a gas phase outlet is arranged at the upper end of the cylinder body, the cylinder body is connected with a seal head through an equipment flange, a lifting lug and a vent are arranged on the seal head, a filter bag assembly is arranged in the cylinder body, and a cyclone baffle is arranged below the filter bag assembly. According to the technical scheme, the annular cavity is formed between the cylinder body and the cyclone baffle plate, and air can be forced to enter the cyclone, so that part of dust is pre-separated under the action of inertial centrifugal force, the load of the filter bag is reduced, the service life of the filter bag is prolonged, the diameter of the cylinder body is not required to be increased, and compared with a traditional cyclone filter bag type dust collector, the cost is remarkably reduced.

Description

Novel cyclone filter bag type dust removing device

Technical Field

The utility model relates to the field of environmental protection dust removal, in particular to a novel cyclone filter bag type dust removal device.

Background

The cyclone bag type dust collector generally needs to be provided with an outer cylinder and an inner cylinder, an air inlet is arranged on the side wall of the outer cylinder, and a circular cavity between the inner cylinder and the outer cylinder is utilized to form rotational flow, so that dust is separated out under the action of inertial centrifugal force.

In the process of implementing the present utility model, the inventor finds that at least the following problems in the prior art are not solved: compared with the single bag filter type dust collector, the diameter of the cylinder body of the structure is required to be increased, and the manufacturing cost and the processing difficulty of the equipment are obviously increased.

Disclosure of Invention

The utility model aims to provide a novel cyclone filter bag type dust removing device which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel whirlwind filter bag formula dust collector device, includes the barrel, and the barrel end is provided with the awl section of thick bamboo, and awl section of thick bamboo lower extreme is provided with the powder export, and barrel department fixed mounting has tangential air inlet, and barrel department fixed mounting has a plurality of lugs, and barrel top fixed mounting has the davit, and the barrel upper end is provided with the gaseous phase export, and the barrel passes through the equipment flange to be connected with the head, is provided with lug and vent on the head, and barrel internally mounted has the filter bag subassembly, and the whirl baffle is installed to filter bag subassembly below.

As a preferred implementation mode of the technical scheme, the cylinder is tangentially provided with the air inlet, gas enters the device from the air inlet, the forced cyclone cavity formed by welding the cyclone baffle and the cylinder is forced to perform cyclone, and dust or solid particles mixed in the gas collide with the inner wall of the cylinder under the action of centrifugal force and are rubbed to be forced to be primarily separated.

As a preferred implementation mode of the technical scheme, a plurality of lugs are fixedly arranged on the outer wall of the cylinder, a hanging column is arranged on the outer wall of the cylinder, and a lifting lug is arranged on the top of the sealing head, so that the sealing head is convenient to fix in implementation and better in work.

As a preferred implementation mode of the technical scheme, the cyclone baffle is fixedly arranged in the cylinder body, and under the condition that the diameter of the cylinder of the equipment is fixed, the equipment with the outer cylinder is obviously higher in manufacturing difficulty and economic cost than the equipment without the outer cylinder and with the cyclone baffle.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the technical scheme, the tangential air inlet is formed in the cylinder, the annular cavity is formed between the cylinder and the cyclone baffle, and air can be forced to enter the cyclone, so that a part of dust is pre-separated under the action of inertial centrifugal force, and the dust separation effect is more remarkable.

2. According to the technical scheme, the filter bag assembly is arranged inside the cylinder, the cyclone baffle is arranged below the filter bag assembly, the diameter of the cylinder does not need to be increased in the earlier stage of guaranteeing the cyclone separation effect of the inlet, and compared with a cyclone combined filter bag type dust collector with an outer cylinder and an inner cylinder, the cost is remarkably reduced.

3. According to the technical scheme, the rotational flow baffle is fixed in the cylinder body, and under the condition that the diameter of the cylinder of the equipment is fixed, the manufacturing difficulty and the economic cost of the equipment with the rotational flow baffle are obviously reduced compared with those of the equipment with the cylinder without the outer cylinder.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a front view of a novel cyclone bag filter of the present utility model;

FIG. 2 is a schematic diagram of the cross-sectional structure of the air inlet and the cylinder of the novel cyclone filter-bag dust collector;

FIG. 3 is a side view of a novel cyclone filter-bag dust collector of the present utility model;

FIG. 4 is a cross-sectional view showing the structure of a filter bag of a novel cyclone filter-type dust collector according to the present utility model;

FIG. 5 is a schematic view of a platen structure of a novel cyclone bag filter of the present utility model;

in the figure: 1. a powder outlet; 2. a cone; 3. an air inlet; 4. a cylinder; 5. a support lug; 6. a hanging column; 7. an air vent; 8. lifting lugs; 9. a seal head; 10. an equipment flange; 11. a gas phase outlet; 12. a filter bag assembly; 13. a swirl baffle; 14. a pressing plate; 15. a tube sheet; 16. a cage; 17. and (5) filtering the bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In embodiment 1, as shown in fig. 1 and fig. 2, the present utility model provides a technical solution: the utility model provides a novel whirlwind filter bag formula dust collector device, includes barrel 4, barrel 4 lower extreme is provided with awl section of thick bamboo 2, and awl section of thick bamboo 2 lower extreme is provided with powder export 1, and barrel 4 department fixed mounting has tangential air inlet 3, and barrel 4 outer wall fixed mounting has a plurality of lugs 5, and barrel 4 top fixed mounting has davit 6, and barrel 4 upper end is provided with gaseous phase export 11, and barrel 4 passes through equipment flange 10 and is connected with head 9, head 9 top symmetry installs lug 8, vent 7 has been seted up at head 9 middle part, and barrel 4 internally mounted has filter bag subassembly 12, and whirl baffle 13 is installed to filter bag subassembly 12 below.

In a specific embodiment of the utility model, a tangential air inlet 3 is arranged on a cylinder 4, air enters the equipment from the air inlet 3, the air is forced to swirl by passing through a forced swirling cavity formed by welding a swirling baffle 13 and the cylinder 4, dust or solid particles mixed in the air collide and rub with the inner wall of the cylinder 4 under the action of centrifugal force to be primarily separated, a plurality of lugs 5 are fixedly arranged on the outer wall of the cylinder 4 and used for fixing the device, a hanging column 6 is fixedly arranged on the outer wall of the cylinder 4, lifting lugs 8 are symmetrically arranged on the top of a sealing head 9, the hanging column 6 and the lifting lugs 8 are used for hanging the sealing head out of the equipment when the filter bag is installed or replaced, the cone 2 has a certain inclination angle, the steeper the cone 2 is, the dust slides off the cylinder wall more easily, and sometimes the dust or solid particles are not adhered for enhancing the sliding effect, and the inner wall of the cone 2 can be polished. Meanwhile, the cone cylinder 2 can be used as a storage cavity for powder, and the powder can be timely discharged or recovered as required.

In this solution, the gas after preliminary separation in the cyclone chamber reaches the filter bag assembly 12, and dust or solid particles in the gas are further filtered by the filter bag 17, so that the gas at the gas phase outlet 11 reaches the required cleanliness. Dust or solid particles are blocked outside by the filter bag, a filter cake is formed outside the filter bag after a long time, and the filter cake is not easy to fall off, so the filter bag is generally provided with back blowing, and the filter cake is vibrated to fall into the cone through the back blowing

Referring to fig. 3, 4 and 5 in some technical schemes, a tube plate 15 is fixedly connected with a cylinder body 4, flanges are arranged at the upper ends of a filter bag 17 and a cage 16, the cage 16 is hung on the tube plate 15, the filter bag 17 is sleeved outside the cage 16, and a pressing plate 14 is detachably mounted with the tube plate 15 through bolts.

In the technical scheme, the cone 2 has a certain inclination angle, the steeper the conical surface is, the more favorable the dust slides off the wall of the cone, the inner wall of the cone can be polished to enhance the sliding effect without adhering the dust or solid particles, meanwhile, the cone can be used as a storage cavity for powder, the powder is discharged from the powder outlet 1, and the powder can be discharged or recovered timely as required.

In some technical solutions, referring to fig. 1, a cone 2 is disposed at the lower end of a cylinder 4, and a powder outlet 1 is disposed at the lower end of the cone 2.

Working principle: after the device is fixed through the support lugs, gas enters the device through the air inlet 3, reaches the annular cavity formed between the cylinder body 4 and the rotational flow baffle 13, enters tangentially, is forced to swirl in the annular cavity, and a part of dust or solid particles collide and rub with the cylinder wall under the action of inertial centrifugal force to be separated out and fall into the cone cylinder 2, the cone has a certain inclination angle to facilitate the powder to slide down, the steeper cone is more beneficial to the dust to slide down from the cylinder wall, meanwhile, the cone cylinder can be used as a storage cavity of the powder, the powder can be timely discharged or recycled as required, the gas after preliminary separation reaches the filter bag assembly 12, the dust or solid particles in the gas are further filtered through the filter bag 17, and the dust or solid particles are blocked outside by the filter bag 17, so that the gas at the gas phase outlet 11 reaches the required cleanliness.

Claims

1. The utility model provides a novel whirlwind filter bag formula dust collector, includes barrel (4), its characterized in that: the utility model discloses a filter bag, including barrel (4), filter bag subassembly (12) and whirl baffle (13), tangential air inlet (3) are installed to barrel (4) outer wall intercommunication, barrel (4) outer wall is provided with a plurality of lugs (5), barrel (4) outer wall is equipped with gaseous phase export (11), barrel (4) top is connected with head (9) through equipment flange (10), barrel (4) inside is equipped with filter bag subassembly (12) and whirl baffle (13), whirl baffle (13) are located barrel (4) lower part, and filter bag subassembly (12) are located barrel (4) upper portion.

2. The novel cyclone bag type dust collector as claimed in claim 1, wherein: the filter bag assembly (12) comprises a tube plate (15), a pressing plate (14), a cage frame (16) and a filter bag (17), wherein the tube plate (15) is fixedly connected with the cylinder body (4), flanging is arranged at the upper ends of the filter bag (17) and the cage frame (16), the cage frame (16) is hung on the tube plate (15), the filter bag (17) is sleeved outside the cage frame (16), and the tube plate (15) is detachably connected with the pressing plate (14) in a bolt fastening mode.

3. The novel cyclone bag type dust collector as claimed in claim 1, wherein: the powder discharging device is characterized in that a powder outlet (1) is formed in the bottom of the conical cylinder (2), lifting lugs (8) are symmetrically arranged at the top of the sealing head (9), and an emptying port (7) is formed in the middle of the sealing head (9).