CN209646146U - A pulse dust collector - Google Patents

Abstract

A kind of pulse dust collector, including dust cleaning case, ash bucket, support frame, exhaust fan, air inlet pipe, exhaust blower, exhaust pipe, filter bag, filter bag connection frame, partition, sealing plate, deashing component and PLC controller；Dirt pocket and net air compartment are equipped with inside dust cleaning case, sealing plate is set in dust cleaning case and separates dirt pocket and net air compartment, and net air compartment is located at the top of dirt pocket；Dust cleaning case bottom is equipped with multiple ash buckets, and ash bucket is connected to dirt pocket；Exhaust fan output end connects air inlet pipe, and the air inlet pipe other end passes through dust cleaning case and is connected to dirt pocket；The input terminal of exhaust blower connects exhaust pipe, and the other end of exhaust pipe passes through dust cleaning case and is connected to net air compartment；The top of filter bag connection frame connects sealing plate, and filter bag connects filter bag connection frame.The utility model good dedusting effect, efficiency of dust collection is fast, and can carry out reversed jet to filter bag one by one and achieve the purpose that deashing, and ash-removal effect is good, and cleaning efficiency is fast, it is ensured that the dust removing effects of filter bag, but also convenient for being replaced to dust settling pocket.

Description

A pulse dust collector

technical field

The utility model relates to the technical field of dust collectors, in particular to a pulse dust collector.

Background technique

Dust collector, as the name suggests, 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 processed, the resistance loss when the gas passes through the dust collector, and the dust removal efficiency. At the same time, the price of the dust collector , operation and maintenance costs, service life and the difficulty of operation and management are also important factors to consider its performance. Dust collectors are commonly used facilities in boilers and industrial production. Flue gas purification, dust removal for coal-fired boilers and small boilers in power plants, dust removal for waste incinerators, high temperature flue gas dust removal for smelters, flue gas purification for aluminum plants, and tail gas dust removal for carbon black plants, etc.;

However, the existing dust collectors have poor dust removal effect and slow dust removal efficiency, and it is troublesome to clean and replace the dust filter bag, which is time-consuming and labor-intensive.

In order to solve the above problems, this application proposes a pulse dust collector.

Contents of the invention

(1) Purpose of the invention

In order to solve the technical problems existing in the background technology, the utility model proposes a pulse dust collector, which has good dust removal effect and fast dust removal efficiency, and can carry out reverse air jet to filter bags one by one to achieve the purpose of dust removal, and the dust removal effect is good. The dust removal efficiency is fast, which can ensure the dust removal effect of the filter bag, and it is also convenient to replace the dust removal bag.

(2) Technical solutions

In order to solve the above problems, the utility model proposes a pulse dust collector, including a dust box, an ash hopper, a support frame, an exhaust fan, an air intake pipe, an exhaust fan, an exhaust pipe, a filter bag, a filter bag connecting frame, a partition, Sealing plate, cleaning components and PLC controller;

The bottom of the dust removal box is connected to the support frame; the inside of the dust removal box is equipped with a dust removal room and a clean air room, and a sealing plate is arranged in the dust removal box to separate the dust removal room from the clean air room, and the clean air room is located above the dust removal room; the bottom of the dust removal box There are multiple ash hoppers, which are connected to the dust removal room; there is an ash discharge pipe at the bottom of the ash hopper, and an ash discharge valve on the ash discharge pipe;

The output end of the exhaust fan is connected to the intake pipe, and the other end of the intake pipe passes through the dust removal box and communicates with the dust removal chamber; the input end of the exhaust fan is connected to the exhaust pipe, and the other end of the exhaust pipe passes through the dust removal box and communicates with the clean air chamber ;

The top of the filter bag connecting frame is connected to the sealing plate, and the sealing plate is provided with a through hole for gas to pass through, and the filter bag connecting frame is located directly below the through hole; the filter bag is connected to the filter bag connecting frame; the bottom of the sealing plate is connected to multiple partitions , the partition is set vertically, and the filter bag connecting frame is located between the two partitions;

The dust cleaning component includes an air compressor, compressed air input pipe, air collection box, air injection pipe and pulse valve; the top of the air collection box is connected to the dust removal box, and the air collection box is located in the clean air room; the output end of the air compressor is connected to the compressed air input The other end of the compressed air input pipe passes through the dust removal box and communicates with the gas collection box; the bottom of the gas collection box is connected to the air injection pipe; hole; pulse valve is set on the jet pipe;

The PLC controller communicates with the exhaust fan, exhaust fan, ash discharge valve, pulse valve and air compressor.

Preferably, a first air deflector is provided inside the dust removal box, the first air deflector is located above the air inlet, and the first air deflector extends obliquely downward in a direction away from the air inlet.

Preferably, a second wind deflector is also provided in the dust removal box, the second wind deflector is located on a side away from the first wind deflector, and the second wind deflector extends obliquely downward toward the direction close to the first wind deflector .

Preferably, the lowest end of the second air deflector is located above the lowest end of the first air deflector.

Preferably, a fixing ring with external threads is arranged on the top of the filter bag connecting frame, a connecting ring with internal threads is arranged on the top of the filter bag, and the connecting ring is threadedly connected to the fixing ring.

Preferably, the bottom of the filter bag connecting frame has a hemispherical structure, and the bottom of the filter bag connecting frame is uniformly provided with exhaust holes.

Preferably, the number of filter bag connectors is multiple, the number of through holes and air jet pipes is consistent with the number of filter bag connectors, and the through holes and air jets are arranged correspondingly to the filter bag connectors.

Preferably, the height of the bottom end of the separator is lower than the height of the bottom end of the filter bag.

The above technical solution of the utility model has the following beneficial technical effects:

The exhaust fan is started, and the gas with dust is sucked in and discharged into the dust removal room through the intake pipe. The large particles of dust fall into the ash hopper, and the fine particles of dust move upward with the gas. The filter bag filters the gas, and the filtered gas passes through The through hole enters the clean air chamber, the exhaust fan starts, and the filtered gas is drawn out through the exhaust pipe and discharged to the outside, with better dust removal effect and faster dust removal efficiency;

The air compressor starts, compresses the air and inputs the compressed air into the air collection box through the compressed air input pipe, the compressed air is sprayed into the through hole through the air injection pipe, and then the compressed air is sprayed into the filter bag, and the dust outside the filter bag is The particles are separated from the filter bag and fall into the ash hopper to realize the dust removal of the filter bag and ensure the dust removal effect of the filter bag. The operation is simple, the dust removal effect is good, and the dust removal efficiency is fast. The pulse valve can control the flow of the air jet pipe. Open and close, and then the filter bags can be cleaned one by one, which further improves the cleaning effect.

Description of drawings

Fig. 1 is a structural schematic diagram of a pulse dust collector proposed by the utility model.

Fig. 2 is a front view of a pulse dust collector proposed by the utility model.

Fig. 3 is a connection diagram of a filter bag and a filter bag connecting frame in a pulse dust collector proposed by the present invention.

Reference signs:

1. Dust removal box; 2. Ash hopper; 3. Support frame; 4. Exhaust fan; 5. Intake pipe; 6. Exhaust fan; 7. Exhaust pipe; 8. Air compressor; 9. Compressed air input pipe; 10 , Unloading valve; 11, the first air guide plate; 12, the second air guide plate; 13, gas collection box; 14, jet pipe; 15, pulse valve; 16, filter bag; 17, filter bag connecting frame; 18 , through hole; 19, fixed ring; 20, connecting ring; 21, partition; 22, dust chamber; 23, clean air chamber; 24, sealing plate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and not intended to limit the scope of the present invention. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessarily confusing the concept of the present invention.

Fig. 1 is a structural schematic diagram of a pulse dust collector proposed by the utility model.

Fig. 2 is a front view of a pulse dust collector proposed by the utility model.

As shown in Fig. 1 and Fig. 2, a kind of pulse deduster proposed by the utility model includes a dedusting box 1, an ash hopper 2, a support frame 3, an exhaust fan 4, an air intake pipe 5, an exhaust fan 6, an exhaust pipe 7, Filter bag 16, filter bag connecting frame 17, partition 21, sealing plate 24, dust removal assembly and PLC controller;

The bottom of the dust removal box 1 is connected to the support frame 3; the inside of the dust removal box 1 is provided with a dust removal chamber 22 and a clean air chamber 23, and a sealing plate 24 is arranged in the dust removal box 1 and separates the dust removal chamber 22 from the clean air chamber 23, and the clean air chamber 23 is located above the dust removal chamber 22; the bottom of the dust removal box 1 is provided with a plurality of ash hoppers 2, and the ash hoppers 2 are connected to the dust removal chamber 22; the bottom of the ash hopper 2 is provided with an ash discharge pipe, and the ash discharge pipe is provided with an ash discharge valve 10;

The output end of exhaust fan 4 is connected to air intake pipe 5, and the other end of air intake pipe 5 passes through dust removal box 1 and communicates with dust removal chamber 22; The input end of exhaust fan 6 is connected to exhaust pipe 7, and the other end of exhaust pipe 7 passes through The dust removal box 1 communicates with the clean air chamber 23;

The top of the filter bag connecting frame 17 is connected to the sealing plate 24, and the sealing plate 24 is provided with a through hole 18 for gas to pass through, and the filter bag connecting frame 17 is located directly below the through hole 18; the filter bag 16 is connected to the filter bag connecting frame 17; The bottom of the plate 24 is connected with a plurality of partitions 21, the partitions 21 are vertically arranged, and the filter bag connecting frame 17 is located between the two partitions 21;

The dust removal assembly includes an air compressor 8, a compressed air input pipe 9, an air collection box 13, an air injection pipe 14 and a pulse valve 15; the top of the air collection box 13 is connected to the dust removal box 1, and the air collection box 13 is located in the clean air chamber 23; The output end of the air compressor 8 is connected to the compressed air input pipe 9, and the other end of the compressed air input pipe 9 passes through the dust removal box 1 and communicates with the gas collection box 13; the bottom of the gas collection box 13 communicates with the air injection pipe 14; the air injection pipe 14 is vertical Set, the jet pipe 14 is located directly above the through hole 18, and the jet direction of the jet pipe 14 faces the through hole 18; the jet pipe 14 is provided with a pulse valve 15;

The number of filter bag connectors 17 is multiple, the number of through holes 18 and air jet pipes 14 is consistent with the number of filter bag connectors 17, and the through holes 18 and air jets 14 are correspondingly arranged with filter bag connectors 17;

The PLC controller communicates with the exhaust fan 4, the exhaust fan 6, the ash unloading valve 10, the pulse valve 15 and the air compressor 8.

In the utility model, the exhaust fan 4 starts, and the gas with dust is sucked in and discharged into the dust removal chamber 22 through the air inlet pipe 5, and the large particle dust falls into the ash hopper 2, and the fine particle dust moves upward with the gas, and the filter bag 16 filters the gas, the filtered gas enters the clean air chamber 23 through the through hole 18, the exhaust fan 6 starts, and the filtered gas is extracted and discharged to the outside through the exhaust pipe 7; the air compressor 8 starts, and the air Compress and input the compressed air into the gas collection box 13 through the compressed air input pipe 9, the compressed air is sprayed into the through hole 18 through the air injection pipe 14, and then the compressed air is sprayed into the filter bag 16, and the dust particles outside the filter bag 16 Separate from the filter bag 16 and fall into the ash hopper 2 to realize the cleaning of the filter bag 16. The operation is simple, the cleaning effect is good, the cleaning efficiency is fast, and the opening and closing of the air jet pipe 14 can be controlled by the pulse valve 15 , and then the filter bags 16 can be cleaned one by one, further improving the cleaning effect.

In an optional embodiment, a first wind deflector 11 is arranged inside the dust removal box 1, and the first wind deflector 11 is located above the air inlet, and the first wind deflector 11 is inclined toward the direction away from the air inlet. Extending downward; the second wind deflector 12 is also provided in the dust removal box 1, the second wind deflector 12 is located on the side away from the first wind deflector 11, and the second wind deflector 12 is close to the first wind deflector 11 The direction extends obliquely downward; the lowest end of the second wind deflector 12 is located above the lowest end of the first wind deflector 11 . During work, the first air deflector 11 and the second air deflector 12 guide the gas entering the dust removal chamber, which not only facilitates the large particles of dust in the gas to fall into the ash hopper 2, but also reduces the impact force of the gas and alleviates the dust. The impact of the gas on the filter bag 16 protects the filter bag 16 .

In an optional embodiment, the height of the bottom end of the separator 21 is lower than the height of the bottom end of the filter bag 16 . During work, the partition plate 21 can completely separate the two filter bags 16, and when the filter bags 16 are reversely blown to remove dust one by one, it can prevent dust from falling on the filter bag 16 next to it and improve the cleaning effect.

Fig. 3 is a connection diagram of a filter bag and a filter bag connecting frame in a pulse dust collector proposed by the present invention.

As shown in FIG. 3 , a fixing ring 19 with external threads is arranged on the top of the filter bag connecting frame 17 , and a connecting ring 20 with internal threads is arranged on the top of the filter bag 16 , and the connecting ring 20 is threadedly connected to the fixing ring 19 . During work, not only the filter bag 16 is closely connected with the filter bag connecting frame 17, which is beneficial to dust removal and dust removal, but also facilitates the replacement of the filter bag 16.

In an optional embodiment, the bottom of the filter bag connecting frame 17 is a hemispherical structure, and the bottom of the filter bag connecting frame 17 is uniformly provided with vent holes, so that the bottom of the filter bag connecting frame 17 can be attached to the filter bag 16 , which is conducive to dust removal.

It should be understood that the above specific embodiments of the present utility model are only used to illustrate or explain the principle of the present utility model, but not to limit the present utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model shall be included in the protection scope of the present utility model. Furthermore, the appended claims are intended to cover all changes and modifications that come within the scope and boundaries of the appended claims, or equivalents of such scope and boundaries.

Claims (8)

1. a kind of pulse dust collector, which is characterized in that including dust cleaning case (1), ash bucket (2), support frame (3), exhaust fan (4), into Tracheae (5), exhaust blower (6), exhaust pipe (7), filter bag (16), filter bag connection frame (17), partition (21), sealing plate (24), deashing Component and PLC controller；

Dust cleaning case (1) bottom attachment support frame (3)；Dirt pocket (22) and net air compartment (23), sealing plate are equipped with inside dust cleaning case (1) (24) it is set in dust cleaning case (1) and separates dirt pocket (22) and net air compartment (23), and net air compartment (23) is located at dirt pocket (22) Top；Dust cleaning case (1) bottom is equipped with multiple ash buckets (2), and ash bucket (2) is connected to dirt pocket (22)；Ash bucket (2) bottom is equipped with and unloads ash Pipe, ash-unloading tube are equipped with unloading valve (10)；

The output end of exhaust fan (4) connects air inlet pipe (5), and the other end of air inlet pipe (5) passes through dust cleaning case (1) and and dirt pocket (22) it is connected to；The input terminal of exhaust blower (6) connects exhaust pipe (7), the other end of exhaust pipe (7) pass through dust cleaning case (1) and with it is net Air compartment (23) connection；

The top of filter bag connection frame (17) connects sealing plate (24), and sealing plate (24) is equipped with through-hole (18) for gas to pass through, Filter bag connection frame (17) is located at the underface of through-hole (18)；Filter bag (16) connects filter bag connection frame (17)；The bottom of sealing plate (24) Portion connects multiple partitions (21), and partition (21) is vertically arranged, and filter bag connection frame (17) is between two partitions (21)；

Deashing component includes air compressor (8), compressed gas input pipe (9), plenum chamber (13), air jet pipe (14) and pulse valve (15)；The top of plenum chamber (13) connects dust cleaning case (1), and plenum chamber (13) is located in net air compartment (23)；Air compressor (8) Output end connects compressed gas input pipe (9), the other end of compressed gas input pipe (9) pass through dust cleaning case (1) and with plenum chamber (13) Connection；Plenum chamber (13) bottom is connected to air jet pipe (14)；Air jet pipe (14) is vertically arranged, and air jet pipe (14) is located at through-hole (18) Surface, the jet direction of air jet pipe (14) is towards through-hole (18)；Air jet pipe (14) is equipped with pulse valve (15)；

PLC controller communication connection exhaust fan (4), exhaust blower (6), unloading valve (10), pulse valve (15) and air compressor (8)。

2. a kind of pulse dust collector according to claim 1, which is characterized in that be equipped with the first wind deflector in dust cleaning case (1) (11), the first wind deflector (11) is located at the top of air inlet, and the first wind deflector (11) is tilted towards towards the direction far from air inlet Lower extension.

3. a kind of pulse dust collector according to claim 1, which is characterized in that be additionally provided with the second wind-guiding in dust cleaning case (1) Plate (12), the second wind deflector (12) is located remotely from the side of the first wind deflector (11), and the second wind deflector (12) is towards close to first The direction of wind deflector (11) extends obliquely downward.

4. a kind of pulse dust collector according to claim 1 to 3, which is characterized in that the second wind deflector (12) Least significant end end is located at the top of the least significant end end of the first wind deflector (11).

5. a kind of pulse dust collector according to claim 1, which is characterized in that be provided at the top of filter bag connection frame (17) Externally threaded fixed ring (19), filter bag (16) top are provided with the connection ring (20) of internal screw thread, and connection ring (20) is threadedly coupled Fixed ring (19).

6. a kind of pulse dust collector according to claim 1, which is characterized in that the bottom of filter bag connection frame (17) is hemisphere Shape structure, and the bottom of filter bag connection frame (17) is uniformly provided with gas vent.

7. a kind of pulse dust collector according to claim 1, which is characterized in that the number of filter bag connection frame (17) is more A, the number of through-hole (18) and air jet pipe (14) is consistent with the number of filter bag connection frame (17), and through-hole (18) and air jet pipe (14) it is correspondingly arranged with filter bag connection frame (17).

8. a kind of pulse dust collector according to claim 1, which is characterized in that height locating for partition (21) bottom terminal ends Lower than height locating for filter bag (16) bottom terminal ends.