CN206262273U - A pulse back blowing bag filter - Google Patents

Abstract

The utility model discloses a pulse blowback sack cleaner, including the ash bucket support, ash bucket support is put on the shelf and is equipped with the setting bin, and the intake pipe rather than the inner chamber intercommunication is installed to the left end of setting bin, and the transition platform is installed to the right flank of setting bin, installs down the cat ladder between the bottom of transition platform and ash bucket support, and the bottom of setting bin is provided with the ash bucket rather than the inner chamber intercommunication, and the discharge gate department of ash bucket bottom installs star type discharge valve. This pulse blowback sack cleaner utilizes earlier the settling tank to subside for the first time dusty gas, makes thicker granule dirt and most dust under elementary settlement and the effect of self quality, subsides to the ash bucket in to discharge the dust from the ash hole through star type discharge valve, reached the purpose of getting rid of the large-scale granule in the dusty gas, then utilizes the sack dust removal case to get rid of the little dust in the remaining dusty gas, thereby makes the dust removal comparatively thorough, dust removal effect is better.

Description

A pulse back blowing bag filter

technical field

The utility model relates to the technical field of dust removal devices, in particular to a pulse back-blowing cloth bag dust collector.

Background technique

A dust collector is a device that separates dust from flue gas. The performance of the dust collector is expressed by the amount of gas that can be handled, the resistance loss when the gas passes through the dust collector, and the dust removal efficiency. At the same time, the price, operation and maintenance costs, service life and difficulty of operation and management of the dust collector are also important factors to consider its performance. But the dust removal effect of the traditional dust collector is not good, and the maintenance and cleaning are not convenient enough.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a pulse back-blowing bag dust collector, which solves the problems of poor dust removal effect of traditional dust collectors and inconvenient maintenance and cleaning.

(2) Technical solutions

In order to achieve the above objectives, the utility model is realized through the following technical proposals: a pulse blowback bag filter, including an ash hopper support, a settling box is mounted on the ash hopper support, and a settling box is installed on the left end of the settling box to communicate with its inner cavity A transition platform is installed on the right side of the settling box, and a downward ladder is installed between the transition platform and the bottom of the ash hopper bracket. The bottom of the settling box is provided with an ash hopper connected with its inner cavity, and the discharge at the bottom of the ash hopper A star discharge valve is installed at the mouth of the settling tank, and a bag filter box connected to its inner cavity is installed on the top of the settling box. An inspection platform is installed on the front of the bag filter box, and a fence is installed on the edge of the top of the bag filter box. The transition platform 1. A climbing ladder is installed between the maintenance platform and the fence, an air storage tank is arranged on the front of the bag filter box, the gas storage tank is located above the upper maintenance platform, and a fan is installed at the rear of the ash hopper bracket, and the intake of the fan is The air duct is in communication with the exhaust duct provided at the left end of the inner chamber of the bag dust collector, and a vertically arranged exhaust duct is installed on the air outlet of the fan.

The inner cavity of the bag dust removal box is provided with partitions, and through holes are equidistantly distributed on the partitions. The bottom surface of the partitions is welded with a bag frame, and the bag frame is covered outside the through hole, and the outside of the bag frame is sleeved. There is a dust-removing cloth bag, and the top of the inner chamber of the cloth-bag dust-removing box is provided with a blowing pipe horizontally. One end of the blowing pipe is communicated with the gas storage tank, and a pulse valve is set at the connection between the blowing pipe and the gas storage tank. The other end of the blowing pipe is Closed structure, the bottom of the spray pipe is provided with a nozzle communicating with it, and the nozzle is located directly above the through hole.

Preferably, there are no less than three ash hoppers, and a vibrator is installed on each ash hopper.

Preferably, the top of the exhaust pipe is welded with a rain cap, and the exhaust pipe is covered with a ferrule, and the ferrule is welded to the back of the settling tank.

Preferably, a rain cover is installed on the front of the baghouse, and the rain cover is located above the pulse valve.

(3) Beneficial effects

The utility model provides a pulse back-blowing cloth bag dust collector. Has the following beneficial effects:

(1) The pulse back-blowing bag filter first uses the settling box to settle the dusty gas for the first time, so that the coarser particles and most of the dust will settle into the ash hopper under the action of primary settlement and its own quality, and then The dust is discharged from the ash outlet through the star discharge valve to achieve the purpose of removing large particles in the dusty gas, and then use the bag dust removal box to remove the tiny dust in the remaining dusty gas, so that the dust removal is more thorough , the dust removal effect is better.

(2) For the pulse blowback bag filter, the setting of the fan can form a negative pressure suction in the bag filter box, which facilitates the gas entering the bag filter box from the settling box. When the material valve is opened, it prevents the accumulation of dust in the ash hopper, which facilitates the discharge of dust in the ash hopper. The setting of the lower ladder, maintenance platform and upper ladder facilitates the maintenance of the dust collector by maintenance personnel. The gas storage tank, pulse valve, and blowing pipe Cooperating with the nozzle, it can regularly blow back the dust bag, and the shaken dust is discharged from the ash hopper, so as to reduce the resistance of the equipment and improve the dust removal effect.

Description of drawings

Fig. 1 is a front view of the structure of the utility model;

Fig. 2 is the right view of the utility model structure;

Fig. 3 is a left view of the structure of the utility model;

Fig. 4 is the structural schematic diagram of exhaust pipe of the present utility model;

Fig. 5 is a sectional view of the structure of the bag filter box of the present invention.

In the figure: 1 ash hopper, 2 intake pipe, 3 settling tank, 4 gas storage tank, 5 pulse valve, 6 rain cap, 7 exhaust pipe, 8 fence, 9 rain cover, 10 climbing ladder, 11 maintenance platform, 12 cloth bag Dust removal box, 13 transition platform, 14 lower ladder, 15 star discharge valve, 16 ash hopper bracket, 17 fan, 18 air inlet pipe, 19 exhaust air pipe, 20 hoop, 21 blowing pipe, 22 clapboard, 23 cloth bag Skeleton, 24 through holes, 25 dust bags, 26 vibrators, 27 nozzles.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a pulse blowback bag filter, including an ash hopper support 16, a settling box 3 is mounted on the ash hopper support 16, and a settling box 3 is installed on the left end of the settling box 3 The air intake pipe 2 connected to the inner cavity, the transition platform 13 is installed on the right side of the settling box 3, and the lower ladder 14 is installed between the transition platform 13 and the bottom of the ash hopper support 16, and the bottom of the settling box 3 is provided with a bridge communicating with the inner cavity. The number of ash hoppers 1 is not less than three, each ash hopper 1 is equipped with a vibrator 26, through the setting of the vibrator 26, when the star discharge valve 15 is opened, the ash hopper 1 can be prevented from The accumulation of dust in the ash hopper facilitates the discharge of dust in the ash hopper 1. A star discharge valve 15 is installed at the discharge port at the bottom of the ash hopper 1. The settling box 3 is used to settle the dust-containing gas for the first time, so that the coarse particles of dust and Most of the dust settles into the ash hopper 1 under the action of primary settlement and its own mass, and the dust is discharged from the ash outlet through the star discharge valve 15, achieving the purpose of removing large particles in the dust-containing gas. The top of the settling box 3 is provided with a bag dust removal box 12 connected to its inner cavity. The bag dust removal box 12 is used to remove the tiny dust in the remaining dust-containing gas, so that the dust removal is more thorough and the dust removal effect is better. The bag dust removal box 12 An inspection platform 11 is installed on the front, and a fence 8 is installed on the edge of the top of the bag dust removal box 12. An upper ladder 10, a lower ladder 14, an inspection platform 11 and an upper ladder 10 are installed between the transition platform 13, the inspection platform 11 and the fence 8. It is convenient for maintenance personnel to maintain the dust collector. The front of the bag dust collector 12 is provided with an air storage tank 4, the air storage tank 4 is located above the upper maintenance platform 11, and the rear of the ash hopper support 16 is provided with a fan 17. The air inlet pipe 18 of 17 communicates with the exhaust pipe 19 provided at the left end of the baghouse 12 inner cavity, and the air outlet of the fan 17 is equipped with a vertically arranged exhaust pipe 7, and the setting of the fan 17 can make the baghouse 12 Negative pressure suction is formed inside, which facilitates the gas from the settling tank 3 into the bag filter box 12. The top of the exhaust pipe 7 is welded with a rain cap 6, and the exhaust pipe 7 is covered with a ferrule 20, and the ferrule 20 Welded with the back of the settling box 3.

The inner cavity of the bag dust removal box 12 is provided with a partition 22, and through holes 24 are equidistantly distributed on the partition 22. The bottom surface of the partition 22 is welded with a bag frame 23, and the bag frame 23 is covered outside the through hole 24. The bag frame The outside of 23 is covered with a dust bag 25, and the top of the bag dust box 12 is provided with a blowing pipe 21 horizontally. There is a pulse valve 5, a rain cover 9 is installed on the front of the bag dust removal box 12, the rain cover 9 is located above the pulse valve 5, the other end of the blowing pipe 21 is a closed structure, and the bottom of the blowing pipe 21 is provided with a nozzle 27 communicating with it. The nozzle 27 is located directly above the through hole 24, and the cooperation of the gas storage tank 4, the pulse valve 5, the blowing pipe 21 and the nozzle 27 can regularly blow back the dust bag 25, and the shaken dust is discharged from the ash hopper 1 to reduce dust. The purpose of small equipment resistance improves the dust removal effect.

When working, the pulse valve 5, the star discharge valve 15, the fan 17 and the vibrator 26 are electrically connected to the controller of the peripheral device, and the air pump is used to fill the air storage tank 4 with high-pressure gas, and the dust-laden gas is discharged from the intake pipe. 2 into the settling box 3, the settling box 3 conducts the primary settlement of the dust-containing gas, so that the relatively coarse particle dust and most of the dust will settle into the ash hopper 1 under the action of the primary settling and its own mass, and be discharged through the star The material valve 15 discharges the dust from the ash outlet, and the fine dust and gas enter the bag dust box 12 under the action of the fan 17. At this time, under the action of the dust bag 25, the clean gas enters the exhaust pipe 19 into the dust collector. The air pipe 7 is discharged, and the tiny dust is adsorbed on the outer surface of the dust removal bag 25. During the dust removal process, the controller can use the pulse valve 5 to control the nozzles 27 on the different blowing pipes 21 to eject high-pressure gas downward. The dust on the outer surface of the dust-removing bag 25 falls into the ash hopper 1 under the effect of the dust-removing cloth bag 25, so as to achieve the purpose of removing the dust on the surface of the dust-removing cloth bag 25.

To sum up, the pulse blowback bag dust collector has good dust removal effect, high dust removal efficiency, reliable operation, convenient maintenance and long service life, which solves the problem of poor dust removal effect of traditional dust collectors and inconvenient maintenance and dust removal. question.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. A pulse blowback bag filter, including an ash hopper support (16), characterized in that: the ash hopper support (16) is provided with a settling box (3), and the left end of the settling box (3) is installed with a The air intake pipe (2) connected to the inner cavity, the transition platform (13) is installed on the right side of the settling box (3), and the lower climbing ladder (14) is installed between the transition platform (13) and the bottom of the ash hopper support (16) , the bottom of the settling box (3) is provided with an ash hopper (1) connected to its inner cavity, and a star discharge valve (15) is installed at the outlet of the bottom of the ash hopper (1), and the top of the settling box (3) A bag dust removal box (12) connected to its inner cavity is provided, an inspection platform (11) is installed on the front of the bag dust removal box (12), and a fence (8) is installed on the edge of the top of the bag dust removal box (12), the transition A climbing ladder (10) is installed between the platform (13), the maintenance platform (11) and the fence (8), and an air storage tank (4) is installed on the front of the bag dust removal box (12), and the air storage tank (4) Located above the upper maintenance platform (11), a fan (17) is provided at the rear of the ash hopper bracket (16), and the air inlet pipe (18) of the fan (17) is connected to the left end of the inner cavity of the bag dust removal box (12). Some exhaust pipes (19) are connected, and a vertical exhaust pipe (7) is installed on the air outlet of the fan (17); The inner cavity of the bag dust removal box (12) is provided with a partition (22), and through holes (24) are equidistantly distributed on the partition (22), and the bottom surface of the partition (22) is welded with a bag skeleton (23), The bag frame (23) is covered on the outside of the through hole (24), the outside of the bag frame (23) is covered with a dust bag (25), and the top of the bag dust box (12) is horizontally equipped with a spray The blowpipe (21), one end of the blowpipe (21) communicates with the gas storage tank (4), and the connection between the blowpipe (21) and the gas storage tank (4) is provided with a pulse valve (5), the blowpipe (21) The other end of the nozzle is a closed structure, and the bottom of the blowing pipe (21) is provided with a nozzle (27) communicating with it, and the nozzle (27) is located directly above the through hole (24). 2. A pulse blowback bag filter according to claim 1, characterized in that: the number of said ash hoppers (1) is not less than three, and a vibrator is installed on each ash hopper (1) (26). 3. A pulse blowback bag filter according to claim 1, characterized in that: the top of the exhaust pipe (7) is welded with a rain cap (6), and the exhaust pipe (7) is sleeved A collar (20) is arranged, and the collar (20) is welded with the back side of the settling box (3). 4. A pulse blowback bag filter according to claim 1, characterized in that: a rain cover (9) is installed on the front of the bag filter box (12), and the rain cover (9) is located at the pulse valve (5) above.