CN216964019U

CN216964019U - Integrated multistage dust removal device

Info

Publication number: CN216964019U
Application number: CN202220610509.8U
Authority: CN
Inventors: 丁冲; 王浩; 宋云德
Original assignee: Shandong Jinshanbao Environmental Protection Equipment Co ltd
Current assignee: Shandong Jinshanbao Environmental Protection Equipment Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-15
Anticipated expiration: 2032-03-21

Abstract

The utility model provides an integrated multistage dust removal device, which solves the technical problems that the existing dust removal equipment is large in occupied area and lacks multistage processing capacity. The box is installed on the base, is equipped with a plurality of sealed rooms in proper order along the air current direction in, installs double helix dust remover in the sealed room, and follow-up a plurality of sack cleaner of intercommunication in proper order is connected through flue gas passageway in the middle of. The tail end of the box body is communicated with the smoke outlet, and the lower part of the box body is provided with a dust collector. The utility model adopts multi-stage cloth bag dust removal, realizes the batch filtration of dust with different particle sizes, can reduce the working pressure of a single cloth bag while ensuring the filtration effect, effectively prolongs the working period, and further improves the filtration effect by combining a double-helix dust remover; the whole integrated design is adopted, the structure is simple, the flexible arrangement is easy, and the method can be widely applied to the technical field of smoke dust treatment.

Description

Integrated multistage dust removal device

Technical Field

The utility model relates to the technical field of smoke dust treatment, in particular to an integrated multistage dust removal device.

Background

In the modern smoke dust treatment industry, a bag-type dust collector is generally adopted for dust collection, but aiming at some special industries such as the field of cremation smoke dust treatment, because the radial sizes of dust particles generated by the special industries are different and have larger difference, the traditional single bag dust collection structure cannot well complete tasks, for example, in order to pursue the treatment effect, the mesh number of the bag is selected to be larger, so that the bag is easily blocked by large particles; if the mesh number of the cloth bag is reduced in order to pursue the treatment efficiency and the service cycle, the smoke treatment effect is poor, and the emission does not reach the standard.

Chinese patent CN214287353U discloses a half online high efficiency pulse bag dust remover, including box frame, the material level fill, purify the dust removal box, the sack, supporting framework, the pulse injection device, half online sack protection device system and except that mars cyclone device system, it locates in the box frame to purify the dust removal box, the box frame bottom is located to the material level fill, supporting framework is vertical to be located inside purifying and dust removal box, the supporting framework is located to the sack cover, the pulse injection device is located and is purified the dust removal box top, half online sack protection device system is located on purifying and dust removal box lateral wall, except that mars cyclone device system locates box frame one side. According to the technical scheme, the cyclone device is combined to pretreat larger dust particles, so that the problems are solved to a certain extent, but on one hand, the structure is arranged in a split mode, the carrying and the arrangement are not facilitated, and the occupied area is increased; on the other hand, dust particles with different particle sizes of 10-40 μm cannot be well subjected to graded filtration, and the final treatment effect, efficiency and cloth bag working period are still influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the background technology and provides an integrated device capable of removing dust in multiple stages.

Therefore, the utility model provides an integrated multistage dust removal device which mainly comprises a base, a box body, a double-helix dust remover and a bag-type dust remover;

the box body is arranged on the base; the box body is provided with a flue gas inlet and a flue gas outlet, and the lower part of the box body is also provided with a dust collector; a plurality of sealing chambers are sequentially arranged in the box body along the airflow direction, and each sealing chamber comprises a first sealing chamber and a second sealing chamber; the double-helix dust remover is arranged in the first sealing chamber; the gas inlet of the double-helix dust remover is connected with the flue gas inlet, and the gas outlet is communicated with the inside of the first sealing chamber;

the second sealing chambers are multiple in number, each second sealing chamber is provided with a partition plate and is divided into an upper chamber and a lower chamber, and the bag-type dust remover is arranged between the upper chamber and the lower chamber; the lower part of the first sealing chamber is provided with an air vent which is communicated with the lower cavity of the adjacent second sealing chamber; two adjacent second sealing chambers are connected through a smoke channel, and each smoke channel is respectively communicated with the upper cavity of the upper-stage second sealing chamber and the lower cavity of the lower-stage second sealing chamber; the upper cavity of the second sealing chamber at the tail end of the box body is communicated with the smoke outlet;

the lower part of each sealing chamber is provided with a hopper, and the bottom of the hopper is connected with the dust collector.

Preferably, a spark interceptor is arranged at the air outlet of the double-helix dust remover.

Preferably, the dust collector is a closed screw conveyor, a plurality of feed inlets are arranged in parallel on the upper portion of the screw conveyor, and each feed inlet is correspondingly connected with one discharge outlet of the hopper.

Preferably, the top surface of each sealing chamber is a movable baffle plate, the movable baffle plate is detachably connected with the box body, and a sealing piece is arranged at the mounting position.

Preferably, the outer side of the smoke outlet is connected with a smoke outlet pipeline, and the smoke outlet pipeline is connected with an injection fan in series.

Preferably, a branch is arranged on the smoke outlet pipeline and connected with the cloth bag cleaning system; the injection fan is positioned at the upstream of the branch.

Preferably, the number of the cloth bags of each stage of cloth bag dust remover along the airflow direction is increased, and the sizes of the pores are reduced in equal proportion.

Preferably, the number of the second sealing chambers is three, and a first bag-type dust collector, a second bag-type dust collector and a third bag-type dust collector are sequentially arranged along the airflow direction;

the pore size of the first bag-type dust collector is 40 micrometers, the pore size of the second bag-type dust collector is 20 micrometers, and the pore size of the third bag-type dust collector is 10 micrometers.

The utility model has the following beneficial effects:

according to the utility model, through adopting the multi-stage cloth bag for dust removal, the dust with different particle sizes is filtered in batches, the working pressure of a single cloth bag can be reduced while the filtering effect is ensured, the working period is effectively prolonged, and the filtering effect is further improved by combining a double-helix dust remover; the whole body adopts an integrated design, the structure is simple, and the flexible arrangement is easy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the labels in the figure are: 1. the dust collector comprises a base, 2, a box body, 3, a double-helix dust remover, 4, a spark interceptor, 5, a first bag-type dust remover, 6, a second bag-type dust remover, 7, a third bag-type dust remover, 8, a smoke outlet pipeline, 9, a dust collector, 10, a first smoke channel and 11, a second smoke channel.

Detailed Description

The utility model is further described below in conjunction with the drawings and the specific embodiments to assist in understanding the contents of the utility model. The method used in the utility model is a conventional method if not specially specified; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

The utility model provides an integrated multistage dust removal device, which mainly comprises a base 1, a box body 2, a double-helix dust remover 3 and a bag-type dust remover, as shown in figure 1.

Wherein, base 1 is frame construction, and bottom edge is equipped with the landing leg. The box body 2 is a square box body structure and is integrally arranged on the base 1. The box body 2 is provided with a flue gas inlet and a flue gas outlet, and the lower part of the box body 2 is also provided with a dust collector 9; preferably, the dust collector 9 is a closed screw conveyor, and a plurality of feed inlets are arranged in parallel on the upper portion of the screw conveyor, so that the dust collecting process can be prevented from overflowing, and meanwhile, a humidifier or a humidifying spray head can be added into the screw conveyor, so that the dust raising phenomenon is reduced when the dust collector is discharged from an outlet.

A plurality of sealed chambers are sequentially arranged in the box body 2 along the airflow direction, and in the present embodiment, a total of four sealed chambers are arranged, and a vertical arrangement is adopted as shown in the figure. Including a first sealed chamber and a second sealed chamber. The first sealed chamber is located at the rightmost side in the figure, and a double-helix dust remover 3 is installed inside the first sealed chamber. The air inlet of the double-helix dust remover 3 penetrates through the side wall surface of the box body 2 to form the flue gas inlet, and is connected with an external flue gas inlet pipeline. The air outlet of the double-helix dust remover 3 is directly communicated with the inside of the first sealing chamber; preferably, in order to prevent the sparks in the flue gas from entering the subsequent filtering process and burning the cloth bag pipe, a spark interceptor 4 is arranged at the air outlet of the double-helix dust collector 3, and a commercially available product (also called a pipeline flame arrester) is specifically selected.

The number of the second sealed chambers is three, and in each second sealed chamber, a partition plate is transversely arranged at the middle upper part and divides the second sealed chamber into an upper chamber and a lower chamber. Three circular holes are formed in each partition plate, and a bag-type dust remover is installed on each circular hole, so that the upper cavity and the lower cavity are separated through the bag-type dust remover. The lower part of the first sealing chamber is provided with an air vent which is communicated with the lower cavity of the adjacent second sealing chamber. Two adjacent second seal chambers are connected through a flue gas channel, and each flue gas channel is respectively communicated with the upper cavity of the upper-stage second seal chamber and the lower cavity of the lower-stage second seal chamber. As shown in the figure, two flue gas channels are designed in the present embodiment, which are a first flue gas channel 10 and a second flue gas channel 11. When the flue gas is filtered by the first bag-type dust collector 5 and then enters the upper cavity of the sealing chamber, the flue gas passes through the first flue gas channel 10 and then enters the lower cavity of the next-stage second sealing chamber, and is filtered by the second bag-type dust collector 6, and the flue gas passes through the second flue gas channel 11 to the third bag-type dust collector 7, the flue gas flow path is shown by an arrow in the figure, and the whole dust collection work is finally completed. An opening on the side wall of an upper cavity of a second sealing chamber (a sealing chamber where a third bag-type dust collector 7 is located) at the tail end of the box body 2 is communicated with the smoke outlet; preferably, the outer side of the smoke outlet is connected with a smoke outlet pipeline 8, and the smoke outlet pipeline 8 is connected with an injection fan in series, so that smoke can flow through negative pressure. Further, be equipped with the branch road on going out tobacco pipe 8, draw and penetrate the fan and be located the upper reaches of branch road, the gas that divides by the branch road outflow gets into the clean system of sack of connecting, including each breather pipe, gas storage gas package, pulse jetting device for clean the sack cleaner, the system can be selected according to actual demand, and this embodiment does not do specific restriction.

The lower part of each sealing chamber is provided with a hopper, and the bottom of the hopper is connected with a corresponding feed inlet on the screw conveyor.

Preferably, in order to facilitate maintenance and replacement of parts, the top surface of each sealing chamber is designed to be a movable baffle which is detachably connected with the box body 2, the movable baffle can be divided into a split type or a pull type, and a sealing ring is arranged between the movable baffle and the box body 2 for dust prevention.

Preferably, in order to realize the classified filtration, and different bag-type dust collectors have different filtration particle sizes, the number of the bag-type dust collectors at each stage along the airflow direction is increased step by step, and the pore sizes are reduced in equal proportion. Specifically, the pore size of the first bag-type dust collector 5 is 40 μm, the pore size of the second bag-type dust collector 6 is 20 μm, and the pore size of the third bag-type dust collector 7 is 10 μm. Select the pore size according to 0.5 times equal scale reduction, consider that big dust granule filters easily, and be difficult to cause the jam, and then select great interval scope, and little dust granule need filter meticulously just can clear away, need share the operating pressure of single sack cleaner through multistage filtration simultaneously, reduce the condition of jam.

In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. An integrated multistage dust removal device is characterized by comprising a base, a box body, a double-helix dust remover and a bag-type dust remover;

the second sealing chambers are multiple in number, each second sealing chamber is provided with a partition plate and is divided into an upper chamber and a lower chamber, and the bag-type dust remover is arranged between the upper chamber and the lower chamber; the lower part of the first sealing chamber is provided with an air vent which is communicated with the lower cavity of the adjacent second sealing chamber; two adjacent second sealing chambers are connected through a smoke channel, and each smoke channel is respectively communicated with an upper cavity of the upper-stage second sealing chamber and a lower cavity of the lower-stage second sealing chamber; an upper cavity of a second sealing chamber at the tail end of the box body is communicated with the smoke outlet;

2. The integrated multistage dust removal device according to claim 1, wherein a spark arrester is installed at an air outlet of the double-helix dust remover.

3. The integrated multistage dust removal device as claimed in claim 1, wherein the dust collector is a closed screw conveyor, a plurality of feed inlets are arranged in parallel on the upper portion of the screw conveyor, and each feed inlet is correspondingly connected with a discharge outlet of one hopper.

4. An integrated multistage dust collector as claimed in claim 1, wherein the top surface of each sealed chamber is a movable baffle plate, the movable baffle plate is detachably connected with the box body, and a sealing member is arranged at the mounting position.

5. The integrated multistage dust removal device according to claim 1, wherein a smoke outlet pipeline is connected to the outer side of the smoke outlet, and an injection fan is connected to the smoke outlet pipeline in series.

6. The integrated multistage dust removal device of claim 5, wherein a branch is arranged on the smoke outlet pipeline and connected with a cloth bag cleaning system; the injection fan is positioned at the upstream of the branch.

7. An integrated multistage dust removal device as claimed in claim 1, wherein the number of the bag-type dust remover of each stage in the air flow direction is increased and the pore size is reduced in equal proportion.

8. The integrated multistage dust removal device according to claim 7, wherein the number of the second seal chambers is three, and a first bag-type dust remover, a second bag-type dust remover and a third bag-type dust remover are sequentially arranged along the airflow direction;