CN215462766U

CN215462766U - Pulse jetting device of bag-type dust collector

Info

Publication number: CN215462766U
Application number: CN202121779364.6U
Authority: CN
Inventors: 申传亮
Original assignee: Shandong Zhonghan Environmental Technology Co ltd
Current assignee: Shandong Zhonghan Environmental Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-01-11
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a pulse injection device of a bag-type dust collector, which comprises a support frame, a box body and an injection assembly arranged on the box body, wherein the box body is arranged at the top of the support frame, and the injection assembly is positioned on one side of the surface of the box body; jetting subassembly includes backup pad, gas tank, air duct, valve, coiled pipe and hot plate, and one side at the box surface is installed to the backup pad, and the top at the backup pad is installed to the gas tank, and the hot plate setting is in the inside of gas tank, and the valve is located the top of gas tank, and the valve passes through the air duct to be connected with the gas tank, and the one end that the gas tank was kept away from to the air duct extends the valve, and the extension end of air duct extends to the inside of box, and the coiled pipe has a plurality ofly, and a plurality of coiled pipes are connected with the extension end bottom of air duct. The dust on the surface of the filter bag is greatly improved through the injection component to carry out treatment effect.

Description

Pulse jetting device of bag-type dust collector

Technical Field

The utility model relates to the field of dust collectors, in particular to a pulse injection device of a bag-type dust collector.

Background

The bag-type dust collector is a dry dust filter, it is suitable for catching fine, dry, non-fibrous dust, the filter bag is made of woven filter cloth or non-woven felt, utilize the filtering action of the fabric to filter the dusty gas. After the dust-containing gas enters the bag type dust collector, the dust with large particles and large specific gravity is settled under the action of gravity and falls into the dust hopper, and the dust is blocked when the gas containing fine dust passes through the filter material, so that the gas is purified. After the bag-type dust collector is used for a period of time, in order to ensure normal work, a jetting device is needed to be used for cleaning dust of a filter bag.

The pulse injection device is characterized in that a pulse controller sequentially triggers each control valve to open a pulse valve, compressed air in an air bag is injected into each corresponding filter bag through each hole of an injection pipe through a venturi tube, the filter bag is instantly and rapidly expanded, dust accumulated on the surface of the filter bag falls off, and the filter bag is regenerated. The dust falls into the dust hopper and is discharged out of the machine body through the dust discharging system.

The dust on the surface of the filter bag falls off through the expansion of the filter bag in the prior art, but in some large-scale dust removing equipment, the filter bag is often arranged in a plurality of groups, the arrangement is dense, the dust is removed only by means of expansion, the dust in the middle filter bag still can be attached to the surface of the adjacent filter bag when the expansion occurs, and the dust removing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pulse injection device of a bag-type dust collector, which solves the problems that in the prior art, a plurality of groups of densely arranged filter bags only depend on expansion for dust collection, and dust in the middle filter bag can be attached to the surfaces of the adjacent filter bags when the filter bags expand, so that the dust collection effect is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: a pulse injection device of a bag-type dust collector comprises a support frame, a box body and an injection assembly arranged on the box body, wherein the box body is arranged at the top of the support frame, and the injection assembly is positioned on one side of the surface of the box body;

the jetting subassembly includes backup pad, gas tank, air duct, valve, coiled pipe and hot plate, the backup pad is installed one side on box surface, the gas tank is installed the top of backup pad, the hot plate sets up the inside of gas tank, the valve is located the top of gas tank, the valve passes through the air duct with the gas tank is connected, the air duct is kept away from the one end of gas tank extends the valve, the extension end of air duct extends to the inside of box, the coiled pipe has a plurality ofly, and is a plurality of the coiled pipe with the extension end bottom of air duct is connected.

Preferably, the inside level of box is provided with the connecting plate, the top equidistance of connecting plate is provided with a plurality of filter bags, and a plurality of the exhaust end of filter bag all runs through the connecting plate.

Preferably, a plurality of the serpentine pipes correspond to a plurality of the filter bags, and one ends of the serpentine pipes, which are far away from the air guide pipe, extend to the interior of the filter bags.

Preferably, the box is kept away from the top of one side of backup pad has seted up the gas vent, the box is kept away from the air inlet has been seted up to one side bottom of gas vent, the gas vent with the air inlet all with the inside intercommunication of box.

Preferably, the bottom of the box body is provided with a dust exhaust pipe, and one end of the dust exhaust pipe, which is far away from the box body, is in threaded connection with a dust exhaust baffle cover.

The utility model has the beneficial effects that: through opening the valve, the compressed air of gas tank passes through the air duct flow direction coiled pipe, compressed air extends the end from the coiled pipe and discharges to inside the filter bag, because coiled pipe bottom makes the slope, the compressed air that the coiled pipe flows can the slope blow to the inside of filter bag, it is the same to blow the leaf similar to wind, make the filter bag swing earlier, shake off earlier the dust on the filter bag, the dust on the inflation processing filter bag again, the dust to the filter bag surface has been promoted greatly and has been carried out the treatment effect, the setting up of hot plate makes the inside air pressure of gas tank strengthen, avoided the inside pressure of gas tank to reduce along with compressed air loss gradually, influence the dust processing at back.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a pulse blowing device of a bag-type dust collector of the present invention;

FIG. 2 is a schematic view of a partial section structure of the pulse blowing device of the bag-type dust collector in the whole numerical direction;

FIG. 3 is an enlarged structural diagram of the position A of a pulse blowing device of the bag-type dust collector.

In the figure: 1. a support frame; 2. a box body; 3. a support plate; 4. a gas tank; 5. an air duct; 6. a valve; 7. a serpentine tube; 8. heating plates; 9. a connecting plate; 10. a filter bag; 11. an exhaust port; 12. an air inlet; 13. a dust exhaust pipe; 14. a dust-removing blocking cover.

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.

Referring to fig. 1-3, a pulse injection device of a bag-type dust collector comprises a support frame 1, a box body 2 and an injection assembly arranged on the box body 2, wherein the box body 2 is arranged at the top of the support frame 1, the injection assembly is positioned on one side of the surface of the box body 2, and the injection assembly is used for treating dust on the surface of a filter bag 10.

The blowing component comprises a supporting plate 3, an air box 4, an air duct 5, a valve 6, a coiled pipe 7 and a heating plate 8, wherein the supporting plate 3 is installed on one side of the surface of the box body 2, the air box 4 is installed on the top of the supporting plate 3, the heating plate 8 is arranged inside the air box 4, the valve 6 is positioned on the top of the air box 4, the valve 6 is connected with the air box 4 through the air duct 5, one end, far away from the air box 4, of the air duct 5 extends out of the valve 6, the extending end of the air duct 5 extends into the box body 2, the coiled pipe 7 is provided with a plurality of coiled pipes 7, the plurality of coiled pipes 7 are connected with the bottom of the extending end of the air duct 5 and are used for opening the valve 6, compressed air in the air box 4 flows to the coiled pipe 7 through the air duct 5, the compressed air is discharged to the inside of the filter bag 10 from the extending end of the coiled pipe 7, the bottom of the coiled pipe 7 is inclined, and the compressed air flowing out of the coiled pipe 7 can be obliquely blown to the inside of the filter bag 10, similar to the way of blowing leaves, the filter bag 10 is made to swing firstly, dust on the filter bag 10 is shaken off firstly, and then the dust on the filter bag 10 is processed in an expansion mode, so that the dust on the surface of the filter bag 10 is greatly improved to be processed, the air pressure inside the air box 4 is increased due to the arrangement of the heating plate 8, and the influence on the subsequent dust processing caused by the fact that the pressure inside the air box 4 is gradually reduced along with the loss of compressed air is avoided.

The inside level of box 2 is provided with connecting plate 9, and the top equidistance of connecting plate 9 is provided with a plurality of filter bags 10, and the exhaust end of a plurality of filter bags 10 all runs through connecting plate 9.

The plurality of coiled pipes 7 correspond to the plurality of filter bags 10, and one ends, far away from the air guide pipes 5, of the plurality of coiled pipes 7 extend to the interior of the filter bags 10, so that the coiled pipes 7 extend into the interior of the filter bags 10, and the filter bags 10 are larger in amplitude when shaking again.

The gas vent 11 has been seted up at one side top that backup pad 3 was kept away from to box 2, and gas inlet 12 has been seted up to one side bottom that gas vent 11 was kept away from to box 2, and gas vent 11 and gas inlet 12 all communicate with the inside of box 2, and its effect is through gas vent 11 gas discharge after will purifying to appointed place, will have the gas introduction of dust through gas inlet 12 and filter.

The bottom of the box body 2 is provided with a dust exhaust pipe 13, one end of the dust exhaust pipe 13 far away from the box body 2 is connected with a dust exhaust baffle cover 14 in a threaded mode, and the dust exhaust pipe 13 is used for storing dust.

The working principle and the using process of the utility model are as follows: when the device is used, air with dust is introduced through the air inlet 12, the air with dust is filtered by the filter bag 10 to be attached to the surface of the filter bag 10, clean air is exhausted to a designated place through the air outlet and the air outlet 11 of the filter bag 10, when the dust on the surface of the filter bag 10 reaches a certain degree, the valve 6 is opened, compressed air of the air box 4 flows to the coiled pipe 7 through the air guide pipe 5, the compressed air is exhausted to the inside of the filter bag 10 from the extending end of the coiled pipe 7, the compressed air flowing out of the coiled pipe 7 can be obliquely blown to the inside of the filter bag 10 like blowing leaves, so that the filter bag 10 swings firstly, the dust on the filter bag 10 is shaken off firstly, then the dust on the filter bag 10 is processed in an expansion mode, the dust on the surface of the filter bag 10 is greatly improved, the air pressure inside the air box 4 is increased due to the arrangement of the heating plate 8, the pressure in the air box 4 is prevented from being gradually reduced along with the loss of the compressed air, the subsequent dust treatment is prevented from being influenced, and the fallen dust is discharged through the dust discharge pipe 13 and the dust discharge baffle cover 14.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The pulse injection device of the bag-type dust collector is characterized by comprising a support frame (1), a box body (2) and an injection assembly arranged on the box body (2), wherein the box body (2) is arranged at the top of the support frame (1), and the injection assembly is positioned on one side of the surface of the box body (2);

the blowing component comprises a supporting plate (3), an air box (4), an air duct (5), a valve (6), a coiled pipe (7) and a heating plate (8), the supporting plate (3) is arranged on one side of the surface of the box body (2), the air box (4) is arranged on the top of the supporting plate (3), the heating plate (8) is arranged inside the air box (4), the valve (6) is positioned at the top of the air box (4), the valve (6) is connected with the air box (4) through the air duct (5), one end of the air duct (5) far away from the air box (4) extends out of the valve (6), the extending end of the air duct (5) extends to the interior of the box body (2), the number of the coiled pipes (7) is multiple, and the coiled pipes (7) are connected with the bottom of the extending end of the air guide pipe (5).

2. The pulse blowing device of the bag-type dust collector as claimed in claim 1, wherein a connecting plate (9) is horizontally arranged inside the box body (2), a plurality of filter bags (10) are equidistantly arranged on the top of the connecting plate (9), and the exhaust ends of the filter bags (10) penetrate through the connecting plate (9).

3. The pulse blowing device of a bag-type dust collector according to claim 1, wherein a plurality of said serpentine tubes (7) correspond to a plurality of said filter bags (10), and one ends of said serpentine tubes (7) far from said air duct (5) extend to the inside of said filter bags (10).

4. The pulse blowing device of the bag-type dust collector as claimed in claim 1, wherein an exhaust port (11) is formed in the top of one side of the box body (2) away from the supporting plate (3), an air inlet (12) is formed in the bottom of one side of the box body (2) away from the exhaust port (11), and the exhaust port (11) and the air inlet (12) are both communicated with the inside of the box body (2).

5. The pulse blowing device of the bag-type dust collector disclosed by claim 1, wherein a dust exhaust pipe (13) is arranged at the bottom of the box body (2), and a dust exhaust shield cover (14) is in threaded connection with one end, far away from the box body (2), of the dust exhaust pipe (13).