CN218011868U

CN218011868U - Pulse type dust removing device

Info

Publication number: CN218011868U
Application number: CN202222043186.1U
Authority: CN
Inventors: 杨勇
Original assignee: Jining Sanlian Steel Structure Co ltd
Current assignee: Jining Sanlian Steel Structure Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-12-13
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a filter equipment field for gaseous dust removal, concretely relates to pulsed dust collector. The dust removing device comprises a shell, wherein the shell comprises an upper chamber, a middle chamber and a lower chamber, an inlet is formed in the side wall of the middle chamber, an outlet is formed in the wall of the upper chamber, a dust removing filter bag is arranged in the middle chamber and is communicated with the upper chamber through the dust removing filter bag, a pulse type injection device used for blowing dust on the dust removing filter bag is arranged in the upper chamber, and the lower chamber is communicated with the middle chamber. The utility model provides a novel pulsed dust removal that can effectively disperse the air current and remove dust in advance device.

Description

Pulse type dust removing device

Technical Field

The utility model relates to a filter equipment field for gaseous dust removal, concretely relates to pulsed dust collector.

Background

The pulse dust collector is internally provided with a dust-removing filter bag, and dust-containing gas enters the pulse dust collector and is discharged after being filtered by the filter bag. The dust on the surface of the dust removal filter bag becomes thicker gradually, the ventilation resistance is increased, and when the resistance reaches a certain specified value, the pulse controller controls the opening and closing of the electromagnetic pulse valve to clean the ash: when the pulse valve is opened, compressed air in the air bag ejects a high-speed and high-pressure ejection airflow into the filter bag through the small hole on the injection tube through the electromagnetic pulse valve, so that instant positive pressure occurs in the filter bag and bulging and micromotion are generated, dust deposited on the filter bag falls off and falls into the dust hopper, and the dust in the dust hopper is discharged through the discharger. However, in this kind of equipment, the air inlet is arranged on one side of the equipment, and the dust-laden air is greatly impacted and abraded on the filter bag close to the air inlet after entering, and a dust baffle plate needs to be arranged on the air inlet, so that a part of large particles are removed firstly to play a role of pre-dedusting, and meanwhile, the gas flow direction is changed, so that the impact abrasion on the filter bag of the air inlet is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the above-mentioned not enough of prior art, provide a neotype pulsed dust collector that can effectively disperse the air current and remove dust in advance.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a pulse type dust removing device comprises a shell, wherein the shell comprises an upper chamber, a middle chamber and a lower chamber, an inlet is formed in the side wall of the middle chamber, an outlet is formed in the wall of the upper chamber, a dust removing filter bag is arranged in the middle chamber and is communicated with the upper chamber through the dust removing filter bag, a pulse type spraying device used for blowing dust on the dust removing filter bag is arranged in the upper chamber, and the lower chamber is communicated with the middle chamber.

Preferably, the outer wall of lower chamber is the bucket form, and its lower extreme is equipped with the discharge gate, is equipped with rotatory discharge valve in the discharge gate, and rotatory discharge valve includes the valve casing and sets up the impeller including a plurality of blades in the valve casing, and the outer fringe of blade is for being used for pasting tight flexible material with the valve casing. The rotary sealing of the blades and the valve shell can be realized by the arrangement, and the gas in the shell is prevented from leaking in the discharging process.

Preferably, the rotary discharging valve further comprises a driving device for controlling the impeller to rotate.

Preferably, the discharge hole of the lower chamber is positioned right below the dust removal filter bag. Because the dust is concentrated at the discharge outlet, the arrangement avoids the dust blown by the wind entering the inlet.

Preferably, a plurality of spoilers for preventing wind from blowing to the lower chamber are arranged between the lower part of the lower baffle and the shell, and a channel for dust to fall is reserved between the spoilers and the shell wall.

Preferably, the two ends of the upper baffle, the arc-shaped baffle, the lower baffle and the spoiler, which are perpendicular to the air inlet direction of the inlet, are fixedly connected to the inner wall of the peripheral side of the shell.

Preferably, the diffuser comprises a trumpet-shaped cylinder, a plurality of spiral blades arrayed along the circumference are arranged in the cylinder, and the peripheral ends of the spiral blades are fixedly connected with the cylinder.

Preferably, the pulse type blowing device comprises a controller, an air bag, an electromagnetic pulse valve, a blowing pipe and a venturi tube arranged on an air outlet of the blowing pipe. The diffusion effect of the Venturi tube enables the pulse high-pressure gas to act on the interior of the dust removal filter bag more uniformly.

The beneficial effects of the utility model are that:

the utility model discloses a set up the expander, overhead gage, cowl and lower baffle, dusty gas forms whirl and even diffusion through the expander, and the air current after the diffusion strikes overhead gage, cowl and lower baffle, and wherein large granule is because inertial settling gets into down the room, and the air current continues to advance on the clearance outflow of following cowl top and bottom blows the dust bag, realizes the entering the utility model discloses a dusty gas carries out rectification and diffusion, and a plurality of baffle cooperations can effectively remove dust in advance, get rid of the large granule in the dusty gas, and the cowl top all is equipped with the clearance for blowing of air current dispersion alleviates the impact to the dust bag on the dust bag.

Drawings

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

fig. 2 is a schematic structural view of the diffuser of the present invention;

FIG. 3 is a schematic view of the configuration of the helical blades within the diffuser of FIG. 2;

FIG. 4 is a schematic diagram of the construction of the impeller of the rotary bleeder valve;

in the figure: 1. the device comprises a shell, 10 parts of an upper chamber, 100 parts of an outlet, 11 parts of a middle chamber, 110 parts of an inlet, 12 parts of a lower chamber, 2 parts of a diffuser, 20 parts of a cylinder body, 21 parts of helical blades, 3 parts of an upper baffle, 4 parts of an arc baffle, 5 parts of a lower baffle, 6 parts of a baffle, 7 parts of a dust removal filter bag, 8 parts of a pulse type blowing device, 80 parts of a controller, 81 parts of an air bag, 82 parts of an electromagnetic pulse valve, 83 parts of a blowing pipe, 84 parts of a venturi pipe, 9 parts of a rotary discharging valve and 90 parts of an outer edge.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 4, the pulse type dust removing device of the present embodiment includes a housing 1, the housing 1 includes an upper chamber 10, a middle chamber 11 and a lower chamber 12, the lower chamber 12 is communicated with the middle chamber 11, a side wall of the middle chamber 11 is provided with an inlet 110, a wall of the upper chamber 10 is provided with an outlet 100, the middle chamber 11 is provided with a dust removing filter bag 7 and is communicated with the upper chamber 10 through the dust removing filter bag 7, the upper chamber 10 is provided with a pulse type blowing device 8 for blowing dust on the dust removing filter bag 7, and specifically, the pulse type blowing device 8 includes a controller 80, an air bag 81, an electromagnetic pulse valve 82, a blowing pipe 83 and a venturi tube 84 arranged on an air outlet of the blowing pipe 83.

The inlet 110 is located in the longitudinal middle part of the side wall of the middle chamber 11, a diffuser 2 is arranged in a channel of the inlet 110, in this embodiment, the diffuser 2 includes a trumpet-shaped cylinder 20, a plurality of spiral blades 21 arrayed along the circumference are arranged in the cylinder 20, and the outer circumferential end of each spiral blade 21 is fixedly connected with the cylinder 20.

Leave preset interval between diffuser 2 and the dust bag 7, from the top down is equipped with overhead gage 3, cowl 4 and lower baffle 5 in proper order in the interval space, cowl 4 sets up with the top just to diffuser 2's mode, overhead gage 3 sets up in cowl 4's upper and lower both sides and all has predetermined clearance with cowl 4 with the mode that the other end of keeping away from diffuser 2 is close to each other with one end of being close to diffuser 2 each other, baffle 5 down. It can be understood that the parameters such as the size, the distance, the inclination angle and the like of the upper baffle 3, the arc baffle 4 and the lower baffle 5 can be adjusted according to actual requirements, and the preset interval is matched with the parameters of the upper baffle 3, the arc baffle 4 and the lower baffle 5. Also, the preset gap can be adjusted reasonably as required, and generally speaking, the ventilation area of the preset gap should not be smaller than that of the inlet 110.

In a preferred embodiment, a plurality of spoilers 6 for preventing wind from blowing into the lower chamber 12 are further disposed between the lower portion of the lower baffle 5 and the casing 1, and a passage for dust to fall is left between the spoilers 6 and the wall of the casing 1. The spoiler 6 is parallel to the lower baffle 5 in this embodiment. The two ends of the upper baffle 3, the arc-shaped baffle 4, the lower baffle 5 and the spoiler 6 which are vertical to the air inlet direction of the inlet 110 are fixedly connected to the inner wall of the peripheral side of the shell 1.

The outer wall of the lower chamber 12 is bucket-shaped, and the lower end of the lower chamber is provided with a discharge port, preferably, the discharge port is positioned right below the dust-removing filter bag 7. Because the dust is concentrated at the discharge outlet, the dust is prevented from being blown by the wind entering the inlet 110. Be equipped with rotatory unloading valve 9 in the discharge gate, rotatory unloading valve 9 includes the valve casing and sets up the impeller including a plurality of blades in the valve casing, and the outer fringe 90 of blade is for being used for the flexible material who pastes tightly with the valve casing, and the impeller is connected to its rotatory drive arrangement of drive.

The utility model discloses during the use, dirty gas gets into diffuser 2 from entry 110, forms whirl and even diffusion, and the air current after the diffusion strikes overhead gage 3, cowl 4 and lower baffle 5, and large granule wherein is because inertial action subsides and gets into lower chamber 12, and the air current continues to advance and blows to dust bag 7 from the clearance outflow of cowl 4 top and bottom. When the ventilation resistance increases to the preset value of the controller 80, the controller 80 activates the electromagnetic pulse valve 82, so that the injection pipe 83 blows instantaneous high-pressure gas to the inside of the dust removing filter bag 7 through the venturi tube 84.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An impulse type dust removing device comprises a shell (1), wherein the shell (1) comprises an upper chamber (10), a middle chamber (11) and a lower chamber (12) inside, an inlet (110) is arranged on the side wall of the middle chamber (11), an outlet (100) is arranged on the wall of the upper chamber (10), a dust removing filter bag (7) is arranged in the middle chamber (11) and is communicated with the upper chamber (10) through the dust removing filter bag (7), an impulse type blowing device (8) used for blowing off dust on the dust removing filter bag (7) is arranged in the upper chamber (10), the lower chamber (12) is communicated with the middle chamber (11), the dust removing filter bag is characterized in that the inlet (110) is located in the longitudinal middle of the side wall of the middle chamber (11), an air diffuser (2) is arranged in a channel of the inlet (110), a preset interval is reserved between the air diffuser (2) and the dust removing filter bag (7), an upper baffle (3), an arc-shaped baffle (4) and a lower baffle (5) are sequentially arranged in the interval space from top to bottom, the arc-shaped baffle (4) is arranged in a mode that the top is just opposite to the air diffuser (2), the upper baffle (3) and the lower baffle (5) are arranged on the upper side and the lower side of the arc-shaped baffle (4) in a mode that one end close to the air diffuser (2) is far away from each other, and the other end far away from the air diffuser (2) is close to each other, and preset gaps are reserved between the upper baffle and the arc-shaped baffle (4).

2. A pulse type dust collector according to claim 1, wherein the outer wall of the lower chamber (12) is a bucket shape, the lower end of the lower chamber is provided with a discharge hole, a rotary discharge valve (9) is arranged in the discharge hole, the rotary discharge valve (9) comprises a valve housing and an impeller which is arranged in the valve housing and comprises a plurality of blades, and the outer edges (90) of the blades are made of flexible materials and are used for being tightly attached to the valve housing.

3. A pulse-type dust collector as claimed in claim 2, characterized in that the rotary discharge valve (9) further comprises a driving device for controlling the rotation of the impeller.

4. A pulse-type dust collector as claimed in claim 2, characterized in that the outlet of the lower chamber (12) is located right below the dust filter bag (7).

5. A pulse dust collector according to any one of claims 1-4, characterized in that a plurality of baffles (6) are arranged between the lower part of the lower baffle (5) and the housing (1) for preventing wind from blowing into the lower chamber (12), and a passage for dust to fall is left between the baffles (6) and the wall of the housing (1).

6. A pulse type dust collector according to claim 5, characterized in that the two ends of the upper baffle (3), the arc-shaped baffle (4), the lower baffle (5) and the spoiler (6) which are perpendicular to the air inlet direction of the inlet (110) are fixedly connected to the inner wall of the peripheral side of the shell (1).

7. A pulse type dust collector according to claim 1, characterized in that the diffuser (2) comprises a trumpet-shaped cylinder (20), a plurality of spiral blades (21) are arranged in the cylinder (20) along a circumferential array, and the outer circumferential ends of the spiral blades (21) are fixedly connected with the cylinder (20).

8. A pulse type dust removal device according to claim 1, characterized in that the pulse type blowing device (8) comprises a controller (80), an air bag (81), an electromagnetic pulse valve (82), a blowing pipe (83) and a venturi tube (84) arranged on an air outlet of the blowing pipe (83).