Novel dust filtering system

Abstract

The utility model discloses a novel dust filtering system. The novel dust filtering system comprises a dust removal tower and a filter bag blowback device, the dust removal tower is provided with an air inlet and an air outlet, and an openable blanking port is formed in the bottom of the dust removal tower; a gas inlet cavity, a filter cavity and a gas purification cavity are formed in the dust removal tower; the air inlet cavity is communicated with the air inlet and is lower than the filtering cavity and the air purifying cavity; a rotational flow plate is arranged at the upper part of the air inlet cavity; the bottom of the filter cavity is communicated with the air inlet cavity, the filter cavity and the air purification cavity are oppositely arranged left and right and are communicated through a plurality of through holes distributed in an array, each through hole is matched with a mounting bracket extending into the filter cavity, and the mounting bracket is sleeved with a flat filter bag; the air purifying cavity is communicated with the air outlet; and each filter bag blowback air nozzle of the filter bag blowback device respectively extends into each flat filter bag. The dust removal device has the advantages of good dust removal effect and convenience in use.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal field especially a kind of novel dust filtering system. BACKGROUND

[0002] Many existing food and medicine, chemical industry will produce a large amount of dust in production process, these dust need to be cleaned to ensure production safety.Currently, dust-laden gas is input into dust filtering system by air extractor, and dust in dust-laden gas is intercepted by dust filtering system.However, existing dust filtering system needs to be configured with blowback system to clean filter bag, but due to the adhesion of dust, the blowback cleaning effect of filter bag is not good, which causes the efficiency of dust filtering system to decrease significantly, and users often need to clean filter bag manually, which affects the use of users.

[0003] In view of the above problems, it is necessary to study a kind of novel dust filtering system, which has the advantages of convenient use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of novel dust filtering system, which has the advantages of convenient use.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A kind of novel dust filtering system, which includes dust removal tower and filter bag blowback device;Dust removal tower is provided with air inlet and air outlet, air outlet is higher than air inlet, and dust removal tower bottom is provided with openable discharge opening;Dust removal tower is internally provided with air inlet cavity, filter cavity and clean gas cavity;Air inlet cavity is communicated with air inlet and lower than filter cavity and clean gas cavity, and air inlet cavity upper portion is provided with cyclone plate;Filter cavity bottom is communicated with air inlet cavity, filter cavity and clean gas cavity are oppositely arranged and communicated by multiple arrayed through ports, each through port is matched with mounting bracket inserted into filter cavity, mounting bracket is sleeved with flat filter bag, flat filter bag is flat structure, and flat filter bag covers corresponding through port;Clean gas cavity is communicated with air outlet;Filter bag blowback device includes filter bag blowback gas source, filter bag blowback pipeline and multiple filter bag blowback nozzles, each filter bag blowback nozzle is inserted into each flat filter bag, filter bag blowback pipeline is connected with each filter bag blowback nozzle, and filter bag blowback pipeline is connected with filter bag blowback gas source through electromagnetic pulse valve.

[0007] The side wall of the dust removal tower is provided with a maintenance door corresponding to the filter cavity.

[0008] The filter cavity top of the dust removal tower is provided with a spraying device, and the air inlet cavity of the dust removal tower is provided with a spark detection device.

[0009] The material of the flat filter bag is polyester anti-static needle felt.

[0010] The air inlet of the dust removal tower is matched with a one-way explosion-proof valve.

[0011] The air inlet cavity of the dust removal tower is matched with an explosion venting valve.

[0012] The novel dust filtering system further comprises an air inlet pipeline and a pipeline back-blowing device; the air inlet pipeline is connected to the air inlet, and the pipeline back-blowing device comprises a pipeline back-blowing gas source and a plurality of pipeline back-blowing assemblies; each pipeline back-blowing assembly comprises a plurality of pipeline back-blowing nozzles in communication with the inner cavity of the air inlet pipeline, and a pipeline back-blowing pipeline connecting the pipeline back-blowing nozzles of the pipeline back-blowing assembly; the pipeline back-blowing pipeline is connected to the pipeline back-blowing gas source through an electromagnetic valve.

[0013] The pipeline back-blowing pipelines of the pipeline back-blowing assemblies are connected to the connecting pipeline through electromagnetic valves; the connecting pipeline is connected to the pipeline back-blowing gas source.

[0014] The air outlet direction of the pipeline back-blowing nozzles is arranged along the air outlet direction of the air inlet pipeline.

[0015] The air outlet of the dust removal tower is connected to a centrifugal fan.

[0016] After the above scheme is adopted, in use, the dust-containing airflow is input into the dust removal tower from the air inlet, and is sequentially output from the air outlet after passing through the air inlet cavity, the filtering cavity and the clean air cavity; the cyclone plate in the air inlet cavity is arranged to make the dust-containing airflow rotate and prolong the time of the dust-containing airflow in the air inlet cavity, so that most of the dust in the dust-containing airflow is settled in the air inlet cavity, thereby reducing the amount of dust that needs to be intercepted by the subsequent flat filter bag, and prolonging the time that the flat filter bag needs to be cleaned; in addition, the filter bag back-blowing device of the utility model periodically blows air into the interior of the flat filter bag through the filter bag back-blowing nozzles, so that the flat filter bag is shaken and deformed, thereby causing the dust attached to the flat filter bag to crack and fall off, and achieving back-blowing cleaning of the flat filter bag; moreover, the flat filter bag has a small internal space due to the flat structure, so that when the filter bag back-blowing nozzles blow air into the interior of the flat filter bag, the flat filter bag is quickly subjected to the action of the airflow and the force is strong, thereby causing the flat filter bag to deform greatly, and further causing the dust attached to the flat filter bag to crack and effectively fall off, thereby ensuring the effect of back-blowing cleaning of the flat filter bag.

[0017] As can be seen from the above, the utility model can effectively prolong the time that the flat filter bag needs to be cleaned, and has a good effect of back-blowing cleaning of the flat filter bag, thereby reducing the number of times that the user manually cleans the flat filter bag, and facilitating the use of the user. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic diagram of the utility model.

[0019] Figure 2 FIG. 2 is a local structural schematic diagram of the utility model.Figure One .

[0020] Figure 3 The partial structure diagram of the utility model Figure Two .

[0021] Figure 4 The partial structure diagram of the utility model Figure Three .

[0022] Figure 5 The structure diagram of the cyclone plate of the utility model.

[0023] Label explanation:

[0024] Dust removal tower 1, air inlet 101, air outlet 102, blanking port 103, air inlet cavity 104, filter cavity 105, clean air cavity 106, through port 107, cyclone plate 11, cone cylinder 111, inclined plate 112, through port 113, mounting bracket 12, flat filter bag 13, maintenance door 14, observation window 15, spark detection device 16, spraying device 17, one-way explosion-proof valve 18, explosion venting valve 19,

[0025] Filter bag back flushing device 2, filter bag back flushing gas source 21, filter bag back flushing pipeline 22, filter bag back flushing nozzle 23, electromagnetic pulse valve 24,

[0026] Centrifugal fan 3,

[0027] Air inlet pipeline 4,

[0028] Pipeline back flushing device 5, pipeline back flushing gas source 51, pipeline back flushing assembly 52, pipeline back flushing nozzle 521, pipeline back flushing pipeline 522, electromagnetic valve 523, connecting pipeline 53. Specific implementation

[0029] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0030] For example, Figures 1 to 5The utility model discloses a novel dust filtering system, it includes dust removal tower 1 and filter bag back flushing device 2, wherein, dust removal tower 1 is equipped with air inlet 101 and air outlet 102, air outlet 102 is higher than the setting of air inlet 101, dust removal tower 1 bottom is equipped with the opening and closing of blanking 103, dust removal tower 1 inside is equipped with air inlet cavity 104, filter cavity 105 and clean gas cavity 106, air inlet cavity 104 is communicated with air inlet 101 and is lower than filter cavity 105 and clean gas cavity 106, air inlet cavity 104 upper portion is equipped with cyclone plate 11, cyclone plate 11 has taper cylinder 111 from top to bottom taper and multiple oblique plate 112 is inclined to set in taper cylinder 111 inner wall, and taper cylinder 111 center is equipped with pass 113, filter cavity 105 bottom is communicated with air inlet cavity 104, filter cavity 105 and clean gas cavity 106 are opposite and set up and are communicated with each other through multiple array distribution's through -opening 107, and each through -opening 107 is fitted with the installation support 12 of the extension in filter cavity 105, and installation support 12 is sleeved with flat filter bag 13, and flat filter bag 13 is flat type structure, and flat filter bag 13 cover corresponding through -opening 107, clean gas cavity 106 is communicated with air outlet 102, filter bag back flushing device 2 includes filter bag back flushing gas source 21, filter bag back flushing pipeline 22 and multiple filter bag back flushing gas nozzle 23, and each filter bag back flushing gas nozzle 23 respectively extends into each flat filter bag 13, and filter bag back flushing pipeline 22 is connected with each filter bag back flushing gas nozzle 23, and filter bag back flushing pipeline 22 is connected through electromagnetic pulse valve 24 filter bag back flushing gas source 21.

[0031] The novel dust filtering system has the advantages that when in use, dust-containing airflow is input from the air inlet 101 into the dust removal tower 1, sequentially passes through the air inlet cavity 104, the filtering cavity 105 and the clean air cavity 106 and is output from the air outlet 102; wherein the cyclone plate 11 in the air inlet cavity 104 is arranged to make the dust-containing airflow rotate and prolong the time of the dust-containing airflow in the air inlet cavity 104, so that most of the dust in the dust-containing airflow is deposited in the air inlet cavity 104, the amount of dust that needs to be intercepted by the subsequent flat filter bag 13 is reduced, and the time for cleaning the flat filter bag 13 is prolonged; in addition, the filter bag back blowing device 2 of the utility model periodically blows the inside of the flat filter bag 13 through the filter bag back blowing air nozzle 23 to make the flat filter bag 13 vibrate and deform, so that the dust attached to the flat filter bag 13 is cracked and falls off, thereby realizing back blowing and cleaning of the flat filter bag 13; and furthermore, the flat filter bag 13 has a small internal space due to the flat structure, so that when the filter bag back blowing air nozzle 23 blows the inside of the flat filter bag 13, the flat filter bag 13 is quickly affected by airflow and the force is strong, so that the flat filter bag 13 deforms greatly, and the dust attached to the flat filter bag 13 is effectively cracked and falls off, thereby ensuring the effect of back blowing and cleaning of the flat filter bag 13.

[0032] In the embodiment of the utility model, the side wall of the dust removal tower 1 is equipped with a maintenance door 14 which can be opened and closed corresponding to the filtering cavity 105, so that the user can open the maintenance door 14 to replace the damaged flat filter bag 13 or manually clean the flat filter bag 13.

[0033] In the embodiment of the utility model, the air inlet cavity 104 of the dust removal tower 1 is equipped with a spark detection device 16, and the filtering cavity 105 of the dust removal tower 1 is equipped with a spraying device 17; when the spark detection device 16 detects that sparks are generated, the spraying device 17 sprays inside the dust removal tower 1 to extinguish the sparks, thereby reducing the possibility of fire and explosion.

[0034] In the embodiment of the utility model, the gas outlet 102 of dust removal tower 1 connects centrifugal fan 3, centrifugal fan 3 can make dust-containing airflow input dust removal tower 1 from air inlet 101, and because the dust of dust-containing airflow is intercepted by flat filter bag 13, centrifugal fan 3 is not easily affected by dust.

[0035] In the embodiment of the utility model, the material of flat filter bag 13 is polyester anti-static needle felt, so that flat filter bag 13 will not produce static electricity, and the possibility of fire and explosion in dust removal tower 1 is reduced.

[0036] In the embodiment of the utility model, the novel dust filtering system further comprises an air inlet pipeline 4 and a pipeline back flushing device 5. The air inlet pipeline 4 is used for collecting dust-containing airflow, and the air inlet pipeline 4 is connected to the air inlet 101. The pipeline back flushing device 5 comprises a pipeline back flushing gas source 51 and a plurality of pipeline back flushing assemblies 52. Each pipeline back flushing assembly 52 comprises a plurality of pipeline back flushing nozzles 521 in communication with the inner cavity of the air inlet pipeline 4, and a pipeline back flushing pipeline 522 in communication with the pipeline back flushing nozzles 521 of the pipeline back flushing assembly 52. The pipeline back flushing pipeline 522 is connected to a connecting pipeline 53 through an electromagnetic valve 523, and the connecting pipeline 53 is connected to the pipeline back flushing gas source 51. When the pipeline back flushing device 5 is working, the electromagnetic valve 523 is opened to make the pipeline back flushing nozzles 521 of the pipeline back flushing assembly 52 input strong airflow into the air inlet pipeline 4, so that the dust adhered to the inner wall of the air inlet pipeline 4 is raised and input into the dust removal tower 1. In order to improve the cleaning effect of the dust adhered to the inner wall of the air inlet pipeline 4, the control mode of the utility model can be as follows: the filter bag back flushing device 2 works first to back flush and clean the flat filter bag 13, thereby improving the flow capacity of the entire dust removal tower 1; then, the centrifugal fan 3 and the pipeline back flushing device 5 work, so that the dust adhered to the inner wall of the air inlet pipeline 4 is effectively input into the dust removal tower 1, thereby effectively cleaning the dust adhered to the inner wall of the air inlet pipeline 4.

[0037] In the embodiment of the utility model, the air outlet direction of the pipeline back flushing nozzle 521 is arranged along the air outlet direction of the air inlet pipeline 4, so as to avoid the pipeline back flushing nozzle 521 being blocked by dust.

[0038] The above embodiments and drawings are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be considered as not departing from the patent category of the utility model.

Claims

1. A novel dust filtration system characterized by: The dust removal tower is provided with an air inlet and an air outlet, the air outlet is higher than the air inlet, the bottom of the dust removal tower is provided with an openable material dropping hole, the inside of the dust removal tower is provided with an air inlet cavity, a filter cavity and a clean air cavity, the air inlet cavity is communicated with the air inlet and is lower than the filter cavity and the clean air cavity, the upper part of the air inlet cavity is provided with a cyclone plate, the bottom of the filter cavity is communicated with the air inlet cavity, the filter cavity and the clean air cavity are arranged opposite to each other and are communicated through a plurality of arrayed through openings, each through opening is matched with a mounting bracket extending into the filter cavity, the mounting bracket is sleeved with a flat filter bag, the flat filter bag is in a flat structure, and the flat filter bag covers the corresponding through opening, and the clean air cavity is communicated with the air outlet. The filter bag back blowing device comprises a filter bag back blowing gas source, a filter bag back blowing pipeline and a plurality of filter bag back blowing nozzles, each filter bag back blowing nozzle extends into each flat filter bag, the filter bag back blowing pipeline is connected with each filter bag back blowing nozzle, and the filter bag back blowing pipeline is connected with the filter bag back blowing gas source through an electromagnetic pulse valve. The sidewall of the dust removal tower is provided with an openable maintenance door corresponding to the filter cavity.

2. The novel dust filtration system as claimed in claim 1, wherein: The top of the filter cavity of the dust removal tower is provided with a spraying device, and the air inlet cavity of the dust removal tower is provided with a spark detection device.

3. The novel dust filtration system as claimed in claim 1, wherein: The material of the flat filter bag is polyester anti-static needle felt.

4. The novel dust filtration system as claimed in claim 1, wherein: The air inlet of the dust removal tower is matched with a one-way explosion-proof valve.

5. The novel dust filtration system as claimed in claim 1, wherein: The air inlet cavity of the dust removal tower is matched with a venting valve.

6. The novel dust filtration system as claimed in claim 1, wherein: The dust removal tower is further provided with an air inlet pipeline and a pipeline back blowing device, the air inlet pipeline is connected with the air inlet, the pipeline back blowing device comprises a pipeline back blowing gas source and a plurality of pipeline back blowing assemblies, each pipeline back blowing assembly comprises a plurality of pipeline back blowing nozzles communicated with the inner cavity of the air inlet pipeline and a pipeline back blowing pipeline connected with the pipeline back blowing nozzles of the pipeline back blowing assembly, and the pipeline back blowing pipeline is connected with the pipeline back blowing gas source through an electromagnetic valve.

7. The novel dust filtration system as claimed in claim 1, wherein: The pipeline back blowing pipelines of the pipeline back blowing assemblies are connected with a connecting pipeline through electromagnetic valves, and the connecting pipeline is connected with the pipeline back blowing gas source.

8. The novel dust filtration system as claimed in claim 7, wherein: The air outlet direction of the pipeline back blowing nozzle is arranged along the air outlet direction of the air inlet pipeline.

9. The novel dust filtration system as claimed in claim 7, wherein: The air outlet of the dust removal tower is connected with a centrifugal fan.

10. The novel dust filtration system as claimed in claim 1, wherein: ​

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