CN211215879U - Bag type dust collector - Google Patents

Abstract

The utility model relates to a bag type dust collector, which comprises a shell, wherein a dust removing cavity is arranged in the shell, the side surface of the dust removing cavity is provided with an air inlet, the top of the dust removing cavity is provided with a purifying cavity, the bottom of the purifying cavity is communicated with the top of the dust removing cavity through a plurality of dust removing holes, the lower end of each dust removing hole is provided with a dust removing bag, the upper end opening of the dust removing bag is covered at the lower end opening of the dust removing hole, the upper end of the dust removing bag is fixedly connected with the inner top wall of the dust removing cavity, and the side surface of the purifying cavity is provided with; a back-blowing pipe is arranged in the purification cavity, an air nozzle is arranged on the back-blowing pipe corresponding to the dust removal hole, and the lower end of the air nozzle extends into the dust removal hole; the bottom of the dust removal cavity is provided with a dust exhaust pipe, and the upper end of the dust exhaust pipe is communicated with the inner bottom of the dust removal cavity. The utility model discloses set up the shower nozzle and can carry out the blowback to the dust removal bag purifying the intracavity, the effectual dust enrichment of avoiding the dust removal bag surface, dust removal effect is good.

Description

A bag filter

technical field

The utility model relates to the technical field of dust removal, in particular to a bag-type dust collector.

Background technique

The bag filter is used to remove the dust in the dusty gas to prevent the dusty gas from being directly discharged and polluting the air.

During the use of the traditional bag filter, the dust will adhere to the side wall of the dust chamber, which is inconvenient to remove and has poor use effect. The hoop is fixed on the feeding pipe, which is troublesome to install and disassemble.

Utility model content

In order to solve the above-mentioned technical problems, the present invention provides a bag-type dust collector with a simple structure and capable of performing backflushing, so as to solve at least one of the above-mentioned technical problems.

The technical scheme that the utility model solves the above-mentioned technical problem is as follows:

A bag-type dust collector includes a casing, a dust chamber is arranged in the casing, an air inlet is arranged on the side of the dust chamber, a purification chamber is arranged on the top of the dust chamber, and the bottom of the purification chamber is connected to the air inlet. The top of the dust removal chamber is connected through a plurality of dust removal holes, the lower end of each dust removal hole is provided with a dust removal bag, and the upper end opening of the dust removal bag is sealed at the lower end opening of the dust removal hole, and the dust removal The upper end of the bag is fixedly connected with the inner top wall of the dust removal chamber, and the side surface of the purification chamber is provided with an air outlet;

The purification chamber is provided with a blowback pipe, and the blowback pipe is provided with an air jet port corresponding to the dust removal hole, and the lower end of the air jet port extends into the dust removal hole;

The bottom of the dust removal chamber is provided with a dust discharge pipe, and the upper end of the dust discharge pipe is in communication with the inner bottom of the dust removal chamber.

The beneficial effects of the utility model are as follows: the utility model is provided with a nozzle in the purification chamber, which can blow back the dust bag, effectively avoid the accumulation of dust on the outer surface of the dust bag, and has a good dust removal effect.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, a pulse valve is provided on the blowback pipe.

The beneficial effect of adopting the above-mentioned further scheme is that the pulse valve can intermittently carry out backflushing through the backflushing pipe, thereby effectively reducing dust accumulation.

Further, the lower end of the dust exhaust pipe is provided with a mounting plate for installing the dust collection bag, the upper side of the mounting plate is provided with a pressing ring, and the pressing ring is sleeved on the outside of the dust exhaust pipe.

The beneficial effect of adopting the above-mentioned further scheme is that: a pressing ring is arranged on the mounting plate, which can fix the bag mouth of the dust collecting bag, and the fixing is more stable.

Further, the pressing ring is provided with a plurality of pressing protrusions in the circumferential direction toward the side wall of the installation disk, and the mounting disk is provided with a card slot for cooperating with the pressing protrusions to press the dust bag.

The beneficial effect of adopting the above-mentioned further scheme is: through the cooperation of the pressing protrusion and the card groove, the contact area between the bag mouth of the dust bag, the pressing ring and the mounting plate can be increased, and the stability of the fixing of the dust bag can be improved. .

Further, the clamping groove is annularly arranged on the mounting plate.

The beneficial effect of adopting the above-mentioned further solution is that the contact area of the annular card groove dust bag is larger.

Further, a spring is provided on the upper side of the pressing ring, the upper end of the spring is fixedly connected with the housing, and the lower end of the spring is fixedly connected with the pressing ring.

The beneficial effect of adopting the above-mentioned further scheme is that the spring can drive the pressing ring to compress the dust collecting bag, and the dust collecting bag is convenient to take.

Further, an annular groove is arranged on the inner wall of the dust removal chamber in a circumferential direction, and a dust scraping mechanism is arranged in the annular groove.

The beneficial effect of adopting the above-mentioned further scheme is that the dust scraping mechanism can scrape the bottom wall of the dust collecting chamber, so as to avoid the accumulation of dust in the dust collecting chamber.

Further, the inner bottom wall of the dust removal chamber is funnel-shaped.

The beneficial effect of adopting the above-mentioned further scheme is: the funnel-shaped dust removal chamber is more convenient for dust removal.

Further, the dust scraping mechanism includes a dust scraping ring and a driving motor, the dust scraping ring is rotatably arranged in the annular groove, the outer ring wall surface of the dust scraping ring is provided with driving teeth, and the driving motor is provided with driving teeth. The output end is provided with a gear that meshes with the drive teeth, the drive motor is connected to the dust scraper ring through the gear and the drive teeth, and the lower side of the dust scraper is circumferentially provided with a plurality of scrapers , one side of the annular groove is provided with a cavity, and the drive motor is fixed in the cavity.

The beneficial effect of adopting the above-mentioned further scheme is that the dust scraping ring can rotate under the action of the driving motor, and drives the scraper to scrape the dust, which can effectively avoid the accumulation of dust in the dust removal chamber.

Further, an annular chute is arranged on the lower side wall of the annular groove, a support ring is arranged on the lower side of the dust scraper ring, the upper end of the support ring is fixedly connected with the dust scraper ring, and the support ring The lower end of the slide is slidably connected with the annular chute.

The beneficial effects of adopting the above-mentioned further scheme are: the support ring can ensure the stability of the dust scraping ring when it rotates, and the dust scraping effect is good.

Description of drawings

Figure 1 is a cross-sectional view of the structure of the utility model.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Shell, 2. Dust removal chamber, 3. Back blowing pipe, 4. Dust removal hole, 5. Air jet port, 6. Dust removal bag, 7. Dust scraping mechanism, 71, Material scraping ring, 72, Drive tooth, 73, Gear , 74, drive motor, 75, scraper, 76, support ring, 8, purification chamber, 9, annular groove, 10, installation cavity, 11, annular chute, 12, dust exhaust pipe, 13, installation plate, 14 , Compression ring, 15, spring, 16, compression protrusion, 17, card slot, 18, air inlet, 19, air outlet, 20, pulse valve.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

Example

As shown in FIG. 1 , a bag-type dust collector of the present invention includes a housing 1, a dust removal chamber 2 is arranged in the housing 1, an air inlet 18 is arranged on the side of the dust removal chamber 2, and a top of the dust removal chamber 2 is provided with an air inlet 18. Purification chamber 8, the bottom of the purification chamber 8 and the top of the dust removal chamber 2 are connected through a plurality of dust removal holes 4, the lower end of each dust removal hole 4 is provided with a dust removal bag 6, and the upper end opening of the dust removal bag 6 is covered with the dust removal hole 4 The lower end of the cleaning chamber 8 is open, and the upper end of the dust removal bag 6 is fixedly connected to the inner top wall of the dust removal chamber 2. The side of the cleaning chamber 8 is provided with an air outlet 19; 4 is provided with an air jet port 5, and the lower end of the air jet port 5 extends into the dust removal hole 4; the bottom of the dust removal chamber 2 is provided with a dust discharge pipe 12, and the upper end of the dust discharge pipe 12 is connected with the inner bottom of the dust removal chamber 2; There is a pulse valve 20 thereon, and the pulse valve 20 is a diaphragm type pulse valve.

The lower end of the dust discharge pipe 12 is provided with a mounting plate 13 for installing the dust bag. The upper side of the mounting plate 13 is provided with a pressing ring 14 , and the pressing ring 14 is sleeved on the outside of the dust discharging pipe 12 .

The side wall of the pressing ring 14 facing the mounting plate 13 is provided with a plurality of pressing protrusions 16 in the circumferential direction, and the mounting plate 13 is provided with a clamping groove 17 for cooperating with the pressing protrusion 16 to press the dust bag; the clamping groove 17 is annularly arranged with mounting plate 13.

The upper side of the pressing ring 14 is provided with a spring 15. The upper end of the spring 15 is fixedly connected to the housing 1, and the lower end of the spring 15 is fixedly connected to the pressing ring 14. Under the action of the spring 15, the pressing protrusion 16 can be matched with the slot 17. Fix the bag mouth of the dust bag, and the fixing effect is good.

An annular groove 9 is arranged on the inner wall of the dust removal chamber 2 in the circumferential direction, and a dust scraping mechanism 7 is arranged in the annular groove 9; the inner bottom wall of the dust removal chamber 2 is funnel-shaped.

The dust scraping mechanism 7 includes a dust scraping ring 71 and a driving motor 74. The dust scraping ring 71 is rotatably arranged in the annular groove 9, the outer ring wall surface of the dust scraping ring 71 is provided with driving teeth 72, and the output end of the driving motor 74 is provided with a driving tooth 72. There is a gear 73 meshing with the driving teeth 72. The driving motor 74 is connected to the dust scraper ring 71 through the gear 73 and the driving teeth 72. The lower side of the dust scraper ring 71 is circumferentially provided with a plurality of scrapers 75. The upper end of the scraper 75 is connected to the scraper. The lower wall of the dust ring 71 is fixedly connected as a whole, one side of the scraper 75 is in contact with the inner bottom wall of the dust removal chamber 2, one side of the annular groove 9 is provided with a cavity 10, and the driving motor 74 is fixed in the cavity 10 ; Preferably, the model of the drive motor 74 is Y80M1-2, and the drive motor 74 is connected to the switch and the power supply through wires.

The lower side wall of the annular groove 9 is provided with an annular chute 11, the lower side of the dust scraper ring 71 is provided with a support ring 76, the upper end of the support ring 76 is fixedly connected with the dust scraper ring 71, and the lower end of the support ring 76 is connected with the annular slide. The slot 11 is slidably connected.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. A bag-type dust collector, characterized in that it comprises a casing (1), a dust chamber (2) is provided in the casing (1), and an air inlet ( 18), the top of the dust removal chamber (2) is provided with a purification chamber (8), and the bottom of the purification chamber (8) is connected to the top of the dust removal chamber (2) through a plurality of dust removal holes (4), The lower end of each of the dust removal holes (4) is provided with a dust removal bag (6). The upper end of (6) is fixedly connected with the inner top wall of the dust removal chamber (2), and the side surface of the purification chamber (8) is provided with an air outlet (19); The cleaning chamber (8) is provided with a blowback pipe (3), the blowback pipe (3) is provided with a jet port (5) corresponding to the dust removal hole (4), and the lower end of the jet port (5) extends out. into the dust removal hole (4); The bottom of the dust removal chamber (2) is provided with a dust discharge pipe (12), and the upper end of the dust discharge pipe (12) communicates with the inner bottom of the dust removal chamber (2). 2 . The bag filter according to claim 1 , wherein a pulse valve ( 20 ) is provided on the blowback pipe ( 3 ). 3 . 3 . The bag filter according to claim 1 , wherein the lower end of the dust discharge pipe ( 12 ) is provided with a mounting plate ( 13 ) for installing a dust bag, and the mounting plate ( 13 ) ) is provided with a pressing ring (14) on the upper side, and the pressing ring (14) is sleeved on the outside of the dust exhaust pipe (12). 4. A bag filter according to claim 3, characterized in that, a plurality of pressing protrusions (16) are provided in the circumferential direction of the side wall of the pressing ring (14) toward the mounting plate (13). ), the mounting plate (13) is provided with a card slot (17) for cooperating with the pressing protrusion (16) to press the dust bag. 5 . The bag filter according to claim 4 , wherein the clamping groove ( 17 ) is annularly arranged on the mounting plate ( 13 ). 6 . 6 . The bag filter according to claim 4 , wherein a spring ( 15 ) is arranged on the upper side of the pressing ring ( 14 ), and the upper end of the spring ( 15 ) is connected to the casing. 7 . (1) Fixed connection, the lower end of the spring (15) is fixedly connected with the pressing ring (14). 7. A bag filter according to any one of claims 1-6, characterized in that, an annular groove (9) is circumferentially provided on the inner wall of the dedusting chamber (2), and the annular groove (9) A dust scraping mechanism (7) is arranged in the groove (9). 8 . The bag filter according to claim 7 , wherein the inner bottom wall of the dust chamber ( 2 ) is funnel-shaped. 9 . 9 . The bag filter according to claim 7 , wherein the dust scraping mechanism ( 7 ) comprises a dust scraping ring ( 71 ) and a driving motor ( 74 ), and the dust scraping ring ( 71 ) It is rotatably arranged in the annular groove (9), the outer ring wall of the dust scraping ring (71) is provided with driving teeth (72), and the output end of the driving motor (74) is provided with the A gear (73) meshed with the driving teeth (72), the driving motor (74) is in a driving connection with the dust scraping ring (71) through the gear (73) and the driving teeth (72), and the dust scraping ring (71) is The lower side of the ring (71) is circumferentially provided with a plurality of scrapers (75), one side of the annular groove (9) is provided with a cavity (10), and the drive motor (74) is fixed to the cavity ( 10) within. 10. A bag filter according to claim 9, characterized in that, an annular chute (11) is provided on the lower side wall of the annular groove (9), and the dust scraping ring (71) A support ring (76) is provided on the lower side of the support ring (76), the upper end of the support ring (76) is fixedly connected with the dust scraping ring (71), and the lower end of the support ring (76) is connected with the annular chute (11) Slide to connect.

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