CN209885425U - Bag type dust collector - Google Patents

Bag type dust collector Download PDF

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Publication number
CN209885425U
CN209885425U CN201920366774.4U CN201920366774U CN209885425U CN 209885425 U CN209885425 U CN 209885425U CN 201920366774 U CN201920366774 U CN 201920366774U CN 209885425 U CN209885425 U CN 209885425U
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China
Prior art keywords
dust
air
chamber
gas
outlet
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Application number
CN201920366774.4U
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Chinese (zh)
Inventor
张万聪
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Jilin Jie Xin Environmental Protection Co Ltd
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Jilin Jie Xin Environmental Protection Co Ltd
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Priority to CN201920366774.4U priority Critical patent/CN209885425U/en
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Abstract

The utility model provides a bag type dust collector, including the dust remover jar body, the dust remover jar body is including return-air cavity, dust removal cavity and ash bucket, and clean gas export gentleness washing entry is established at the top, is equipped with the dust bag in the return-air cavity, is equipped with dirt gas entry, impeller and dust export on the ash bucket, is equipped with the choke ring board between dust removal cavity and the ash bucket, the utility model discloses simple structure, reasonable in design, behind the gaseous entering dust remover of dirt gas, at first at the effect of impeller and choke ring board, reduce the velocity of flow by a wide margin, most dust receives gravity whereabouts to the ash bucket in, can reduce the filter pressure of dust bag by a wide margin, reduces maintenance pressure, simultaneously, the utility model discloses can remove dust and wash in step, 2 group's dust bag intervals carry out the air wash, do not influence the dust removal.

Description

Bag type dust collector
Technical Field
The utility model relates to a dust collecting equipment technical field, especially a bag collector.
Background
The bag type dust collector is a dry type dust filtering device. It is suitable for trapping fine, dry, non-fibrous dust.
Most of bag type dust collectors used at present need to be stopped when a filter bag is subjected to air washing, so that the dust removal efficiency is influenced, the fan power of part of dust collectors is overlarge, dust is basically filtered by the filter bag completely, the working pressure of the filter bag is overlarge, and the working pressure of the filter bag is reduced by utilizing gravity to settle part of the dust due to reasonable reduction of the dust-air flow rate.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the above-mentioned problem to a bag collector is proposed.
The specific technical scheme is as follows:
a bag type dust collector comprises a dust collector tank body, and is characterized in that the dust collector tank body sequentially comprises an air return chamber, a dust collection chamber and an ash bucket from top to bottom, the air return chamber and the dust collection chamber are separated by a first partition plate, and a choke ring plate is arranged between the dust collection chamber and the ash bucket;
2 groups of dust-removing filter bags are arranged in the air return chamber, each group of dust-removing filter bags is composed of a plurality of dust-removing filter bags, the upper ends of the dust-removing filter bags are connected with the first partition plate through Venturi tubes and communicated with the air return chamber, and the outer edges of the upper ends of the choke ring plates are welded and fixed on the inner wall of the lower end of the dust-removing chamber;
the dust hopper is provided with a dust gas inlet, an impeller and a dust outlet, the top of the dust remover tank body is provided with a clean gas outlet and a gas washing inlet, a second partition plate is arranged in the gas return cavity, the dust gas inlet is positioned on the side surface of the dust hopper and communicated with the dust hopper, the dust outlet is positioned at the lower end of the dust hopper, and the impeller is arranged right above the dust outlet through a support and rotates freely;
the second partition plate is vertically arranged to divide the air return chamber into 2 chambers, namely a first chamber and a second chamber, the number of the purified air outlets and the number of the air washing inlets are 2, the purified air outlets and the air washing inlets are symmetrically distributed about the second partition plate, the first chamber is communicated with one purified air outlet and one air washing inlet, the second chamber is communicated with the other purified air outlet and the other air washing inlet, and the 2 groups of dust removal filter bags are symmetrically distributed about the second partition plate;
the air washing device is characterized in that a purified gas discharge pipe is connected to the purified gas outlet, an induced draft fan and a first air valve are arranged on the purified gas discharge pipe, an air return pipe is connected to the air washing inlet, and the upper end of the air return pipe is communicated with the purified gas discharge pipe and is provided with a second air valve;
furthermore, the choke ring plate is in a horn shape with a wide upper part and a narrow lower part;
furthermore, the dust and air inlet is arranged obliquely downwards;
further, the ash bucket is conical;
further, a rotary blanking valve is arranged at the dust outlet;
further, the impeller is located on an axis where the dust and air inlet is located.
The utility model has the advantages that:
the utility model provides a bag type dust collector, including the dust remover jar body, the dust remover jar body is including return-air cavity, dust removal cavity and ash bucket, and clean gas export gentleness washing entry is established at the top, is equipped with the dust bag in the return-air cavity, is equipped with dirt gas entry, impeller and dust export on the ash bucket, is equipped with the choke ring board between dust removal cavity and the ash bucket, the utility model discloses simple structure, reasonable in design, behind the gaseous entering dust remover of dirt gas, at first at the effect of impeller and choke ring board, reduce the velocity of flow by a wide margin, most dust receives gravity whereabouts to the ash bucket in, can reduce the filter pressure of dust bag by a wide margin, reduces maintenance pressure, simultaneously, the utility model discloses can remove dust and wash in step, 2 group's dust bag intervals carry out the air wash, do not influence the dust removal.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope.
The bag type dust collector comprises a dust collector tank body 1 and is characterized in that the dust collector tank body 1 sequentially comprises an air return chamber 2, a dust collection chamber 3 and an ash bucket 4 from top to bottom, the air return chamber 2 and the dust collection chamber 3 are separated by a first partition plate 5, and a choke ring plate 6 is arranged between the dust collection chamber 3 and the ash bucket 4;
2 groups of dust-removing filter bags 7 are arranged in the air return chamber 2, each group of dust-removing filter bags 7 is composed of a plurality of dust-removing filter bags 7, the upper ends of the dust-removing filter bags 7 are connected with the first partition plate 5 through Venturi tubes 8 and communicated with the air return chamber 2, and the outer edges of the upper ends of the choke ring plates 6 are welded and fixed on the inner wall of the lower end of the dust-removing chamber 3;
the dust hopper 4 is provided with a dust gas inlet 9, an impeller 10 and a dust outlet 11, the top of the dust remover tank body 1 is provided with a clean gas outlet 12 and a gas washing inlet 13, the gas return chamber 2 is internally provided with a second partition plate 14, the dust gas inlet 9 is positioned on the side surface of the dust hopper 4 and communicated with the dust hopper 4, the dust outlet 11 is positioned at the lower end of the dust hopper 4, and the impeller 10 is arranged right above the dust outlet 11 through a support and rotates freely;
the second partition plate 14 is vertically arranged to divide the air return chamber 2 into 2 chambers, namely a first chamber 15 and a second chamber 16, the number of the purified gas outlets 12 and the number of the gas washing inlets 13 are 2, the purified gas outlets and the gas washing inlets 13 are symmetrically distributed about the second partition plate 14, the first chamber 15 is communicated with one purified gas outlet 12 and one gas washing inlet 13, the second chamber 16 is communicated with the other purified gas outlet 12 and the other gas washing inlet 13, and 2 groups of dust removal filter bags are symmetrically distributed about the second partition plate 14;
the clean gas outlet 12 is connected with a clean gas discharge pipe 17, the clean gas discharge pipe 17 is provided with an induced draft fan 18 and a first gas valve 19, the gas washing inlet 13 is connected with a gas return pipe 20, and the upper end of the gas return pipe 20 is communicated with the clean gas discharge pipe 17 and is provided with a second gas valve 21;
further, the choke ring plate 6 is in a horn shape with a wide upper part and a narrow lower part;
further, the dust and air inlet 9 is arranged obliquely downwards;
further, the ash bucket 4 is conical;
further, a rotary blanking valve 22 is arranged at the dust outlet 11;
further, the impeller 10 is located on the axis of the dust and air inlet 9.
The working principle of the bag type dust collector of the embodiment is as follows:
during dust removal: dust gas enters the dust remover from a dust gas inlet, and is expected to move on the upper layer of the dust remover under the action of an exhaust fan, in the process, the dust gas firstly impacts an impeller, the flow rate is greatly reduced under the blocking action of a choke ring plate, most of dust falls into a dust hopper under the action of gravity, a small part of dust moves on the air flow net, and enters an air return chamber after being filtered by a dust removing filter bag, and then is discharged through a purified gas outlet and a purified gas discharge pipe, so that the whole dust filtering process is completed; (at this time, the first air valve is completely opened, and the second air valve is completely closed)
In the dust removal process, when the filter bag is cleaned: the dust removal work is not stopped, in 2 purified gas discharge pipes, one purified gas discharge pipe and a first gas valve and a second gas valve on a gas return pipe connected with the purified gas discharge pipe are closed, the purified gas flows back to a certain cavity of a gas return cavity, and the group of dust removal filter bags communicated with the purified gas discharge pipe are subjected to gas washing; the cleaning mode can be carried out circularly, and 2 groups of dust removing filter bags are subjected to interval air cleaning;
to sum up, this embodiment simple structure, reasonable in design, the gaseous back that gets into the dust remover of dirt gas at first reduces the velocity of flow in the effect of impeller and choke ring board by a wide margin, and most dust receives gravity whereabouts to the ash bucket in, can reduce the filter pressure of dust removal filter bag by a wide margin, reduces maintenance pressure, simultaneously, the utility model discloses can remove dust and wash going on in step, 2 group's dust removal filter bag intervals carry out the gas washing, do not influence the dust removal operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A bag type dust collector comprises a dust collector tank body, and is characterized in that the dust collector tank body sequentially comprises an air return chamber, a dust collection chamber and an ash bucket from top to bottom, the air return chamber and the dust collection chamber are separated by a first partition plate, and a choke ring plate is arranged between the dust collection chamber and the ash bucket;
2 groups of dust-removing filter bags are arranged in the air return chamber, each group of dust-removing filter bags is composed of a plurality of dust-removing filter bags, the upper ends of the dust-removing filter bags are connected with the first partition plate through Venturi tubes and communicated with the air return chamber, and the outer edges of the upper ends of the choke ring plates are welded and fixed on the inner wall of the lower end of the dust-removing chamber;
the dust hopper is provided with a dust gas inlet, an impeller and a dust outlet, the top of the dust remover tank body is provided with a clean gas outlet and a gas washing inlet, a second partition plate is arranged in the gas return cavity, the dust gas inlet is positioned on the side surface of the dust hopper and communicated with the dust hopper, the dust outlet is positioned at the lower end of the dust hopper, and the impeller is arranged right above the dust outlet through a support and rotates freely;
the second partition plate is vertically arranged to divide the air return chamber into 2 chambers, namely a first chamber and a second chamber, the number of the purified air outlets and the number of the air washing inlets are 2, the purified air outlets and the air washing inlets are symmetrically distributed about the second partition plate, the first chamber is communicated with one purified air outlet and one air washing inlet, the second chamber is communicated with the other purified air outlet and the other air washing inlet, and the 2 groups of dust removal filter bags are symmetrically distributed about the second partition plate;
the air washing device is characterized in that a purified gas discharge pipe is connected to the purified gas outlet, a draught fan and an air valve are arranged on the purified gas discharge pipe, an air return pipe is connected to the air washing inlet, and the upper end of the air return pipe is communicated with the purified gas discharge pipe and is provided with a second air valve.
2. The bag collector defined in claim 1, wherein said choke ring plate is flared so as to be wide at the top and narrow at the bottom.
3. The bag house of claim 1, wherein the dust and air inlet is disposed diagonally downward.
4. The bag house of claim 1, wherein the hopper is conical.
5. The bag house of claim 1, wherein the dust outlet is provided with a rotary blanking valve.
6. The bag house of claim 1, wherein the impeller is located on an axis of the dust and air inlet.
CN201920366774.4U 2019-03-21 2019-03-21 Bag type dust collector Active CN209885425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920366774.4U CN209885425U (en) 2019-03-21 2019-03-21 Bag type dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920366774.4U CN209885425U (en) 2019-03-21 2019-03-21 Bag type dust collector

Publications (1)

Publication Number Publication Date
CN209885425U true CN209885425U (en) 2020-01-03

Family

ID=69018119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920366774.4U Active CN209885425U (en) 2019-03-21 2019-03-21 Bag type dust collector

Country Status (1)

Country Link
CN (1) CN209885425U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111514686A (en) * 2020-04-28 2020-08-11 盐城市迎凯涂装设备有限公司 Electricity changes bag dust pelletizing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111514686A (en) * 2020-04-28 2020-08-11 盐城市迎凯涂装设备有限公司 Electricity changes bag dust pelletizing system

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