CN218687336U

CN218687336U - Pulse dust collector

Info

Publication number: CN218687336U
Application number: CN202222824241.0U
Authority: CN
Inventors: 李磊; 王诚; 何东杰; 郝腾飞
Original assignee: Anhui Shanyi Environmental Protection Technology Co ltd
Current assignee: Anhui Shanyi Environmental Protection Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-24
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a pulse dust collector, including the dust remover body, horizontal installation has the filter bag of a plurality of tubular in the dust remover body inner chamber, crosses the filter bag both ends and is fixed in dust remover body both sides lateral wall, and the round mouth has been seted up to dust remover body lateral wall, and the branch pipe is installed to the position of round mouth, and one side branch pipe connects in parallel in same pulse tube, and the opposite side branch pipe connects in parallel in same blast pipe, and pulse tube establishes ties there is the pulse air pump. Under the normal use state, pulse tube airtight valve closed state, the airtight valve that the blast pipe corresponds is opened, filters through crossing the filter bag lateral wall, discharges through the blast pipe, and the airtight valve that the blast pipe corresponds is closed to the reaction atmospheric pressure impact effect, opens pulse tube airtight valve, crosses the filter bag through pulse air pump reaction impact, makes and crosses the absorptive dust of filter bag and drops, guarantees simultaneously to cross the unobstructed nature of filter bag gas pocket.

Description

Pulse dust collector

Technical Field

The utility model belongs to the technical field of industrial waste gas treatment equipment, especially, relate to a pulse dust collector.

Background

The pulse dust collector is characterized in that when dust-containing gas enters the dust collector from an air inlet, the airflow entering a dust hopper is subsequently folded and upwards passes through a filter bag dust with a metal framework arranged inside, and is trapped on the outer surface of the filter bag, the purified gas enters a cleaning chamber at the upper part of a filter bag chamber, and in the process of purifying the dust-containing gas by passing through the filter bag, the dust deposited on the filter bag is more and more along with the increase of time, the resistance of the filter bag is increased, so that the air volume to be treated is gradually reduced, for normal work, the resistance is controlled within a certain range (140-170 mm water column), once the range is exceeded, the filter bag needs to be cleaned, a pulse controller is used for sequentially triggering control valves to open pulse valves during dust cleaning, compressed air in an air bag is sprayed into corresponding filter bags from holes of a spray pipe through venturi pipes, the filter bags are rapidly expanded instantly, so that the dust deposited on the surfaces of the filter bags falls off, and the filter bags are restored to the initial state.

The bag-type dust collector is internally provided with a layer of partition board, a plurality of filter holes are formed in an array mode on the partition board and used for installing filter bags, the filter bags are generally 500mm in length and 200mm in caliber and form a plurality of small filter units, the lower portion of the partition board is communicated with an air inlet pipe, the upper portion of the partition board is communicated with an air outlet pipe, the filter bags are made of synthetic fibers, natural fibers or glass fibers and made into cloth or felt, tail gas generated after combustion of a coal furnace is filtered, and dust and the like are intercepted. Because the tail gas after burning has the high temperature characteristics, and the filter bag of long-time use has pulse valve reaction atmospheric pressure impact filter bag to improve the filtration efficiency of filter bag moreover, but the filter bag has certain life-span, need change at interval a period, and it is very low to change efficiency to a plurality of filter bags, causes the gas tightness problem moreover easily.

Therefore, the utility model discloses mainly improve on the basis of current sack cleaner, improve the filter bag mounting means, improve sack when guaranteeing the installation gas tightness and change efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pulse dust collector improves on the basis of current sack cleaner, improves the filter bag mounting means, improves the sack when guaranteeing the installation gas tightness and changes efficiency.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a pulse dust collector comprises a dust collector body, wherein the dust collector body is of a cylindrical shell structure;

the dust remover comprises a dust remover body, a plurality of tubular filter bags are horizontally arranged in an inner cavity of the dust remover body, two ends of each filter bag are fixed on side walls of two sides of the dust remover body, round openings communicated with the opening sides of the filter bags are correspondingly formed in the side walls of the dust remover body, branch pipes are arranged at the positions of the round openings, the branch pipes on one side are connected in parallel with a same pulse pipe, the branch pipes on the other side are connected in parallel with a same exhaust pipe, and an air inlet pipe is communicated with the lower part of the side wall of the dust remover body, corresponding to the filter bags;

the pulse pipe is connected with a pulse air pump in series.

Furthermore, the filter bag is internally sleeved with a spring, the end side of the spring is fixedly provided with a ring piece, the ring piece is provided with a pipe body and a flange, the spring is supported and fixed at the position of the dust remover body corresponding to the round opening through the ring piece, and the end side of the filter bag is fixed at the corresponding ring piece.

Further, the filter bag side walls are corrugated.

Further, the draw-in groove is installed to the position that dust remover body inside wall corresponds the round mouth, the draw-in groove is upside open-ended arc draw-in groove, the flange that the loop forming element corresponds is gone into the draw-in groove from top to bottom and is installed.

Furtherly, the bottom of dust remover body is the ash bucket, the ash bucket is for leaking hopper-shaped, and the bottom has the ash discharge mouth, seals through sealed lid.

Further, the part of the air inlet pipe extending into the dust remover body is a wedge-shaped opening, and the wedge-shaped opening corresponding to the air inlet pipe faces upwards.

The utility model discloses following beneficial effect has: under the normal use state, pulse tube airtight valve closed state, the airtight valve that the blast pipe corresponds is opened, get into the smoke and dust gas through the intake pipe, then filter the bag lateral wall through crossing and filter, the dust granule is being crossed the bag lateral wall and is held back, clean air passes and crosses the bag, discharge through the blast pipe, and the airtight valve that the blast pipe corresponds is closed to the counterpressure impact effect, open pulse tube airtight valve, cross the bag through pulse air pump reaction impact, make and cross the absorptive dust of bag and drop, guarantee simultaneously and cross the unobstructed nature of bag gas pocket.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1: the utility model discloses the schematic structure.

FIG. 2: the utility model discloses cross the local structure sketch map of disassembling of filter bag.

FIG. 3: the utility model discloses cross local mounting structure schematic diagram of filter bag.

In the drawings, the reference numbers indicate the following list of parts: the dust collector comprises a dust collector body 1, a filter bag 2, a branch pipe 11, a pulse pipe 4, an exhaust pipe 5, an air inlet pipe 12, a pulse air pump 41, a spring 3, a ring-shaped piece 31, a clamping groove 13, an ash bucket 14 and a sealing cover 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-3: a pulse dust collector comprises a dust collector body 1, wherein the dust collector body 1 is of a cylindrical shell structure; the upside is the dome, and the dome is detachable installation with dust remover body upside open side.

A plurality of tubular filter bags 2 are horizontally arranged in an inner cavity of the dust remover body 1, two ends of each filter bag 2 are fixed on the side walls of two sides of the dust remover body 1, round openings communicated with the opening sides of the filter bags 2 are correspondingly formed in the side walls of the dust remover body 1, branch pipes 11 are arranged at the positions of the round openings, the branch pipes 11 on one side are connected in parallel with the same pulse pipe 4, the branch pipes 11 on the other side are connected in parallel with the same exhaust pipe 5, and an air inlet pipe 12 is communicated below the side wall of the dust remover body 1 corresponding to the filter bags 2;

the pulse pipe 4 is connected in series with a pulse air pump 41.

Pulse tube and blast pipe all have concatenated airtight valve, under the normal use state, pulse tube airtight valve closed state, the airtight valve that the blast pipe corresponds is opened, get into the cigarette dirt gas through the intake pipe, then filter through the filter bag lateral wall, the dust granule is being held back at the filter bag lateral wall, clean air passes the filter bag, discharge through the blast pipe, and the airtight valve that the blast pipe corresponds is closed to the counterpressure impact effect, open pulse tube airtight valve, filter the bag through pulse air pump reaction impact, make and cross the absorptive dust of filter bag and drop, guarantee simultaneously and cross the unobstructed nature of filter bag gas pocket.

When the filter bag is changed, the top cover is opened from the top of the dust remover body, the filter bag is disassembled, and the filter bag is reduced in quantity due to the fact that the filter bag is in the shape of a horizontal pipe, the filter area is increased, the filter efficiency is improved, and meanwhile, the filter bag is more convenient to change.

As shown in fig. 2: the spring 3 is sleeved inside the filter bag 2, the end sides of the spring 3 are fixed with ring pieces 31, each ring piece 31 is provided with a pipe body and a flange, the spring 3 is supported and fixed at the position, corresponding to the round opening, of the dust remover body 1 through the ring pieces 31, and the end sides of the filter bag 2 are fixed on the corresponding ring pieces 31. Annular member and spring constitute holistic skeleton texture for support and cross the filter bag, when the installation, earlier compression spring and whole filter bag, then align the position of annular member and round mouth, the spring of release compression, the spring is rebounded and is contradicted in dust remover body lateral wall, and spontaneous stable installation improves installation effectiveness and leakproofness.

The side wall of the filter bag 2 is corrugated. Is convenient to compress and improves the filtering area of the filter bag.

Draw-in groove 13 is installed to the position that the corresponding round mouth of 1 inside wall of dust remover body, draw-in groove 13 is upside open-ended arc draw-in groove, the flange that loop forming element 31 corresponds is gone into draw-in groove 13 from top to bottom and is installed. The ring-shaped piece is fixed on the side wall of the dust remover body, and the clamping groove is used for supporting and sealing.

As shown in fig. 1: the bottom of dust remover body 1 is ash bucket 14, ash bucket 14 is for leaking hopper-shaped, and the bottom has the ash discharge mouth, seals through sealed lid 15.

The part of the air inlet pipe extending into the dust remover body 1 is a wedge-shaped opening, and the wedge-shaped opening corresponding to the air inlet pipe 12 faces upwards.

The ash bucket is used for collecting dust falling by pulse impact, the dust falls into the ash bucket and is treated in a unified mode, the opening of the air inlet pipe is upward, and dust in the ash bucket is prevented from being scattered by airflow.

The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.

Claims

1. A pulse dust collector is characterized in that:

the dust remover comprises a dust remover body (1), wherein the dust remover body (1) is of a cylindrical shell structure;

the dust remover comprises a dust remover body (1), wherein a plurality of tubular filter bags (2) are horizontally arranged in an inner cavity of the dust remover body (1), two ends of each filter bag (2) are fixed on side walls at two sides of the dust remover body (1), round openings communicated with the opening sides of the filter bags (2) are correspondingly formed in the side walls of the dust remover body (1), branch pipes (11) are arranged at the round openings, the branch pipes (11) at one side are connected in parallel with a same pulse pipe (4), the branch pipes (11) at the other side are connected in parallel with a same exhaust pipe (5), and an air inlet pipe (12) is communicated with the lower part of the side wall of the dust remover body (1) corresponding to the filter bags (2);

the pulse pipe (4) is connected with a pulse air pump (41) in series.

2. A pulse dust collector as defined in claim 1, wherein: filter bag (2) inside spring (3) of having cup jointed, the distolateral all is fixed with loop forming element (31) of spring (3), loop forming element (31) have body and flange, spring (3) support and are fixed in the position that dust remover body (1) corresponds the round mouth through loop forming element (31), filter bag (2) distolateral fixation in corresponding loop forming element (31).

3. A pulse precipitator in accordance with claim 2, wherein: the side wall of the filter bag (2) is corrugated.

4. A pulse dust collector as defined in claim 2 or 3, wherein: draw-in groove (13) are installed to the position that dust remover body (1) inside wall corresponds the round mouth, draw-in groove (13) are upside open-ended arc draw-in groove, the flange that loop forming element (31) correspond is gone into draw-in groove (13) from top to bottom and is installed.

5. A pulse dust collector as defined in claim 1, wherein: the bottom of dust remover body (1) is ash bucket (14), ash bucket (14) are for leaking hopper-shaped, and the bottom has the ash discharge mouth, seals through sealed lid (15).

6. A pulse dust collector as defined in claim 5, wherein: the part of the air inlet pipe extending into the dust remover body (1) is a wedge-shaped opening, and the wedge-shaped opening corresponding to the air inlet pipe (12) faces upwards.