CN215539243U

CN215539243U - Bag type dust collector

Info

Publication number: CN215539243U
Application number: CN202122227025.3U
Authority: CN
Inventors: 钱洪建; 陈俊
Original assignee: Nanjing Southeast University Energy Engineering Design Institute Co ltd
Current assignee: Nanjing Southeast University Energy Engineering Design Institute Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-18
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a bag dust collector, which comprises a shell and a support frame arranged at the lower end of the shell, wherein an air purifying chamber, a filtering chamber and a discharging hopper are sequentially arranged in the shell from top to bottom, a filtering mechanism capable of filtering waste gas is arranged between the air purifying chamber and the filtering chamber, an ash outlet is arranged at the bottom of the discharging hopper, an air inlet is arranged at one side of the shell, a baffle plate used for protecting the filtering mechanism is arranged between the air inlet and the filtering mechanism in the filtering chamber, an automatic dust removing mechanism capable of preventing dust particles from being adhered is arranged on the baffle plate, a cleaning mechanism used for controlling the filtering mechanism to be self-cleaned is arranged on the automatic dust removing mechanism, an air outlet is arranged at the other side of the shell, the air outlet is communicated with the air purifying chamber, and a high-pressure back-blowing device capable of thoroughly cleaning the filtering mechanism is arranged at one side of the air purifying chamber. The utility model has smoother and more uniform smoke dust circulation, cleans the filter bag while filtering, and greatly improves the dust removal efficiency.

Description

Bag type dust collector

Technical Field

The utility model belongs to the technical field of environment-friendly equipment, and particularly relates to a bag type dust collector.

Background

The bag type dust collector is a dry type dust filtering device. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by the filtering action of the fiber fabric, after the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls into the dust hopper due to the sedimentation of the gravity, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified.

At present, the prior bag-type dust remover has the following problems: (1) when gas enters the dust remover, a part of dust and other sundry particles are adhered to the baffle in the blocking process of the baffle, the surface of the baffle is uneven after long-term use, and the gas flow is influenced to a certain extent although the danger of blockage is not achieved; (2) the dust remover can trigger the high-pressure blowback device to blow to the bag to the venturi tube of filter bag top after using a period of time inside filter bag surface to be stained with smoke and dust granule, though play very good clean effect to the filter bag, at the clear in-process of filter bag, the device can't carry out gas filtration, must just can normally carry out gas filtration after the cleanness, must influence gas filtration's efficiency like this. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a bag type dust collector, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bag-type dust collector comprises a shell and a support frame arranged at the lower end of the shell, wherein an air purifying chamber, a filtering chamber and a discharging hopper are sequentially arranged in the shell from top to bottom, a filtering mechanism capable of filtering waste gas is arranged between the air purifying chamber and the filtering chamber, the filtering chamber is communicated with the discharging hopper, and an ash outlet is arranged at the bottom of the discharging hopper;

an air inlet is arranged at one side of the shell, the air inlet is communicated with a filtering chamber, a baffle plate used for protecting the filtering mechanism is arranged between the air inlet and the filtering mechanism in the filtering chamber, an automatic dust removing mechanism capable of preventing dust particles from being adhered is arranged on the baffle plate, and a cleaning mechanism used for controlling the filtering mechanism to automatically clean is arranged on the automatic dust removing mechanism;

an air outlet is arranged on the other side of the shell and communicated with the air purifying chamber;

and a high-pressure back-blowing device capable of thoroughly cleaning the filtering mechanism is arranged on one side of the air purifying chamber.

Preferably, the filtering mechanism comprises a mounting plate arranged between the filtering chamber and the air purifying chamber, the mounting plate is connected with the upper end of the baffle, a plurality of filtering bags are uniformly arranged on the mounting plate, and a protective frame is uniformly arranged around each filtering bag.

Preferably, automatic dust removal mechanism includes that vertical two delivery wheels of arranging near air intake side at the baffle, and one of them delivery wheel is coaxial to be arranged driving motor, two the delivery wheel is last to have cup jointed the fender material area that can be driven by driving motor and carry, keeps away from a delivery wheel one side of mounting panel and arranges the scraper blade that can clear away the granule on fender material area surface.

Preferably, the cleaning mechanism comprises control lantern rings sleeved on each filter bag, a connecting plate arranged between two adjacent control lantern rings and a control mechanism capable of driving the connecting plate to move transversely, the control mechanism is connected with one of the conveying wheels, and the control lantern rings are arranged in gaps in the protective frame.

Preferably, the control mechanism comprises a rotating shaft arranged coaxially with the conveying wheel, a crank arranged on the rotating shaft, a sliding block fixedly connected with the connecting plate, and a track connected with the sliding block in a sliding manner, wherein one end, far away from the connecting plate, of the sliding block is hinged with a connecting rod, and one end, far away from the sliding block, of the connecting rod is connected with the crank through a hinge.

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

(1) the automatic dust removing mechanism is arranged on the baffle plate, so that gas entering from the gas inlet is adhered to the material blocking belt and then conveyed to the bottom to be removed by the scraper and fall into the discharge hopper, and when the automatic dust removing mechanism is used for a long time, the circulation of the dust-containing gas during entering is ensured, and the blocking condition is greatly avoided;

(2) the filter bag is continuously cleaned by arranging the cleaning mechanism, and the particle impurities adsorbed on the surface of the filter bag are shaken off in the discharge hopper, so that the intervention frequency of the high-pressure back-blowing device is reduced, and the dust removal efficiency of the equipment is effectively improved;

(3) the cleaning mechanism is in transmission connection with the power source of the automatic dust removal mechanism through the control mechanism, power is provided by the same power source, arrangement of the power source is reduced, and the overall construction cost of the equipment is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view of the control collar of the present invention.

Description of reference numerals:

1-shell, 2-support frame, 3-air purifying chamber, 4-filter chamber, 5-discharge hopper, 6-ash outlet, 7-air inlet, 8-baffle, 9-air outlet, 10-mounting plate, 11-filter bag, 12-protective frame, 13-conveying wheel, 14-high pressure back-blowing device, 15-material blocking belt, 16-control lantern ring, 17-connecting plate, 18-rotating shaft, 19-crank, 20-slide block, 21-track, 22-connecting rod and 23-scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the bag dust collector provided in this embodiment includes a housing 1 and a support frame 2 disposed at a lower end of the housing 1, an air-purifying chamber 3, a filtering chamber 4 and a discharging hopper 5 are sequentially disposed in the housing 1 from top to bottom, a filtering mechanism capable of filtering waste gas is disposed between the air-purifying chamber 3 and the filtering chamber 4, the filtering chamber 4 is communicated with the discharging hopper 5, and an ash outlet 6 is disposed at a bottom of the discharging hopper 5;

particularly, filtering mechanism is including arranging mounting panel 10 between filter chamber 4 and air-purifying chamber 3, mounting panel 10 is connected with the upper end of baffle 8, evenly arranged a plurality of filter bags 11 on mounting panel 10, every protection frame 12 has been put to 11 equipartitions all around of filter bag, and protection frame 12's arrangement plays fine wall to filter bag 11, makes all filter bags 11 keep equal interval, is favorable to the gas circulation, better filters gas.

An air inlet 7 is formed in one side of the shell 1, the air inlet 7 is communicated with the filtering chamber 4, a baffle 8 used for protecting the filtering mechanism is arranged between the air inlet 7 and the filtering mechanism in the filtering chamber 4, an automatic dust removing mechanism capable of preventing dust particles from being adhered is arranged on the baffle 8, and a cleaning mechanism used for controlling the filtering mechanism to be self-cleaned is arranged on the automatic dust removing mechanism;

particularly, automatic dust removal mechanism includes that vertical two delivery wheel 13 of arranging 8 sides near air intake 7 at the baffle, and one of them delivery wheel 13 coaxial arrangement has driving motor, two delivery wheel 13 is last to have cup jointed can be driven by driving motor and carry the striker belt 15, and the scraper blade 23 that can clear away the granule on striker belt 15 surface is arranged to one delivery wheel 13 one side of keeping away from mounting panel 10. The gas adhesion that gets into from the air inlet is on keeping off the material area 15 and is carried to the bottom and is cleared up by scraper blade 23 and fall 5 in, when long-term the use, ensures the circulation when dusty gas gets into, has greatly avoided the emergence of jam condition.

Specifically, the cleaning mechanism comprises control lantern rings 16 sleeved on each filter bag 11, a connecting plate 17 arranged between two adjacent control lantern rings 16 and a control mechanism capable of driving the connecting plate 17 to move transversely, the control mechanism is connected with one of the conveying wheels 13, the control lantern rings 16 are arranged at gaps in the protective frame 12, particle impurities adsorbed on the surfaces of the filter bags are shaken off in the discharge hopper 5, the intervention frequency of the high-pressure back blowing device 14 is reduced, and the dust removal efficiency of the equipment is effectively improved.

Specifically, the control mechanism comprises a rotating shaft 18 which is coaxially arranged with the conveying wheel 13, a crank 19 which is arranged on the rotating shaft 18, a slider 20 which is fixedly connected with the connecting plate 17, and a track 21 which is in sliding connection with the slider 20, wherein one end, far away from the connecting plate 17, of the slider 20 is hinged with a connecting rod 22, one end, far away from the slider 20, of the connecting rod 22 is connected with the crank 19 through a hinge, the conveying wheel 13 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 drives the crank 19 to rotate, the slider 20 is driven by the crank 19 to reciprocate in the track 21, and then the connecting plate 17 and the control lantern ring 16 are driven by the reciprocating movement of the slider 20 to shake the filter bag 11, so that the smoke dust particles adhered to the surface of the filter bag 11 fall down, the same power source is arranged to provide power, the arrangement of the power source is reduced, and the overall construction cost of the equipment is saved.

An air outlet 9 is arranged on the other side of the shell 1, the air outlet 9 is communicated with the air purifying chamber 3, and the filtered air is conveyed to the next processing device through a pipeline by the air outlet 9;

the high-pressure back-blowing device 14 capable of thoroughly cleaning the filtering mechanism is arranged on one side of the air purifying chamber 3, after too many smoke dust particles are adhered to the surface of the filtering bag 11, the filtered gas can be greatly reduced, and the high-pressure back-blowing device 14 can be triggered to blow gas into the filtering bag 11 to blow off the smoke dust particles adsorbed on the surface of the filtering bag 11.

When the dust-collecting device is used, smoke and dust gas enters from the air inlet 7, the baffle 8 blocks air flow to avoid directly impacting the filter bag 11, smoke and dust particle particles adhered to the surface of the baffle 8 are conveyed to the bottom and are removed by the scraper 23 to fall into the discharge hopper 5, when the dust-collecting device is used for a long time, the liquidity of the dust-containing gas when the dust-containing gas enters is ensured, the blocking condition is greatly avoided, the smoke and dust gas is filtered by the filter bag 11 in the filter chamber 4, the smoke and dust particles are accumulated on the outer surface of the filter bag 11, the filtered gas enters the air purifying chamber 3 and is discharged from the air outlet 9 to enter the next processing procedure, the driving motor arranged on the baffle 8 drives the conveying wheel 13 to rotate while filtering, the driving material blocking belt 15 conveys the smoke and dust particles adhered to the surface of the material blocking belt 15 to the scraper 23 to be removed, meanwhile, the rotation of the conveying wheel 13 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the crank 19 to rotate, the slider 20 is driven by the crank 19 to reciprocate in the track 21, and then the reciprocating motion through slider 20 drives connecting plate 17 and control lantern ring 16 and shakes filter bag 11, makes the adhesion at the smoke and dust granule on filter bag 11 surface drop, sets up same power supply and provides power, reduces arranging of power supply, practices thrift the holistic construction cost of equipment.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A bag dust collector comprises a shell (1) and a support frame (2) arranged at the lower end of the shell (1), and is characterized in that a gas purifying chamber (3), a filter chamber (4) and a discharge hopper (5) are sequentially arranged in the shell (1) from top to bottom, a filter mechanism capable of filtering waste gas is arranged between the gas purifying chamber (3) and the filter chamber (4), the filter chamber (4) is communicated with the discharge hopper (5), and an ash outlet (6) is arranged at the bottom of the discharge hopper (5);

an air inlet (7) is formed in one side of the shell (1), the air inlet (7) is communicated with the filtering chamber (4), a baffle (8) used for protecting the filtering mechanism is arranged between the air inlet (7) and the filtering mechanism in the filtering chamber (4), an automatic dust removing mechanism capable of preventing dust particles from being adhered is arranged on the baffle (8), and a cleaning mechanism used for controlling the filtering mechanism to automatically clean is arranged on the automatic dust removing mechanism;

an air outlet (9) is formed in the other side of the shell (1), and the air outlet (9) is communicated with the air purifying chamber (3);

and a high-pressure back-blowing device (14) capable of thoroughly cleaning the filtering mechanism is arranged on one side of the air purifying chamber (3).

2. A bag collector as claimed in claim 1, characterized in that said filtering means comprises a mounting plate (10) arranged between the filtering chamber (4) and the air-purifying chamber (3), said mounting plate (10) being connected to the upper end of the baffle (), said mounting plate (10) being uniformly arranged with a plurality of filtering bags (11), each of said filtering bags (11) being peripherally provided with a protective frame (12).

3. The bag dust collector as claimed in claim 2, wherein the automatic dust removing mechanism comprises two conveying wheels (13) vertically arranged on one side surface of the baffle (8) close to the air inlet (7), one conveying wheel (13) is coaxially provided with a driving motor, a material blocking belt (15) driven by the driving motor to convey is sleeved on the two conveying wheels (13), and one side of one conveying wheel (13) far away from the mounting plate (10) is provided with a scraper (23) capable of removing particles on the surface of the material blocking belt (15).

4. A bag collector as claimed in claim 3, characterized in that said cleaning means comprise control loops (16) fitted on each filter bag (11), a connecting plate (17) arranged between two adjacent control loops (16) and a control means able to move the connecting plate (17) laterally, said control means being connected to one of said conveyor wheels (13), said control loops (16) being arranged in a space inside the protective frame (12).

5. The bag dust collector according to claim 4, wherein the control mechanism comprises a rotating shaft (18) coaxially arranged with the conveying wheel (13), a crank (19) arranged on the rotating shaft (18), a sliding block (20) fixedly connected with the connecting plate (17), and a track (21) connected with the sliding block (20) in a sliding manner, one end of the sliding block (20) far away from the connecting plate (17) is hinged with a connecting rod (22), and one end of the connecting rod (22) far away from the sliding block (20) is connected with the crank (19) through a hinge.