Dust removal mechanism for air pollution control

Abstract

The utility model discloses a dedusting mechanism for air pollution control, which comprises a pretreatment box, a filter screen cylinder is arranged in the pretreatment box, the top end of the side wall of the filter screen cylinder extends to the outer side of the pretreatment box and is provided with an air inlet pipe, the bottom end of the side wall of the pretreatment box is provided with a first connecting pipe, and the air inlet pipe is sleeved with a cooling box. A spiral guide vane is arranged between the interior of the cooling box and the air inlet pipe, a liquid inlet pipe and a liquid outlet pipe are arranged in cooperation with the spiral guide vane, a wall scraping structure is arranged in the filter screen cylinder, the tail end of a first connecting pipe is sequentially connected with a bag type dust collector and a reaction box, and a second connecting pipe is connected between the bag type dust collector and the reaction box. The second connecting pipe extends to the bottom end in the reaction box and is provided with an air injection assembly, and the top end of the reaction box is provided with an exhaust pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal technical field more specifically, it relates to a dust removal mechanism for atmospheric pollution control. BACKGROUND

[0002] In the industrial production process, waste gas emission will be produced, these waste gas will contain more dust, if directly discharging, will influence the air environment, cause atmospheric pollution, therefore, when discharging, will carry out dust removal treatment to the airflow;

[0003] The existing dust removal mechanism for atmospheric pollution control mainly is directly transported to the bag type dust collector with dust containing airflow and is handled, but most of the flue gas of discharge is in high temperature state, directly transported to the bag type dust collector, easy to cause the dust filter bag in the bag type dust collector to accelerate the aging speed under high temperature environment, influence the service life, and, directly discharging cannot effectively utilize high temperature energy, causes the waste of energy;

[0004] In addition, the dust containing airflow will contain more large particle dust, these large particle dustes under the transportation of high speed airflow, easy to impact on the surface of dust filter bag, long down, easy to cause the erosion and abrasion of dust filter bag, influence the service life of filter bag. UTILITY MODEL CONTENTS

[0005] (I) the technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a dust removal mechanism for atmospheric pollution control to solve the technical problem that the dust removal mechanism for atmospheric pollution control in the prior art mentioned in the background art cannot effectively utilize the high temperature energy in flue gas, and cannot pretreat the particle dust in dust containing airflow, influence the service life of filter bag.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] A dust removal mechanism for atmospheric pollution control, including preprocessing box, be provided with filter screen cylinder in the preprocessing box, the side wall top end of filter screen cylinder extends to the outside of preprocessing box and is provided with inlet pipe, the side wall bottom end of preprocessing box is provided with first connecting pipe, the cooling box is set up on the inlet pipe, be provided with helical guide vane between the inside of cooling box and inlet pipe, and cooperate helical guide vane and be provided with inlet pipe and outlet pipe, be provided with scrape wall structure in filter screen cylinder, the tail end of first connecting pipe is sequentially connected with bag type dust collector and reaction box, be provided with second connecting pipe between bag type dust collector and reaction box, the inside bottom end of reaction box is provided with jet assembly with second connecting pipe extension, the top end of reaction box is provided with exhaust pipe.

[0010] The utility model further sets up, the jet component includes the jet pipe, the jet pipe is provided with a plurality of each The jet pipe all uniformly is provided with a plurality of jet head, the tail end of second connecting pipe is connected with the air inlet end of jet pipe, through the setting of jet pipe and jet head can make gas can more evenly spray in the reaction solution in reaction box, improve the purification effect of gas.

[0011] The utility model further sets up, the reaction box is rotationally provided with a plurality of turn over and stir shafts through bearing, the turn over and stir shaft sets up jet pipe top, be provided with turn over and stir assembly on the turn over and stir shaft, and the outside transmission connection of turn over and stir shaft is equipped with drive assembly, through the cooperation of turn over and stir shaft and turn over and stir assembly can realize the turn over and stir of reaction liquid, improve the purification effect of gas.

[0012] The utility model further sets up, the drive assembly includes drive motor, drive motor is transmission connection with one of turn over and stir shaft, is provided with synchronous belt transmission structure between adjacent two groups turn over and stir shaft, through the cooperation of drive motor and synchronous belt transmission structure can control the rotation drive of turn over and stir shaft, realize the turn over and stir of reaction liquid.

[0013] The utility model further sets up, the turn over and stir assembly includes first helical blade, first helical blade sets up on turn over and stir shaft, and the outside reverse of first helical blade is provided with second helical blade, through the cooperation of first helical blade and second helical blade can realize the full turn over and stir contact between reaction liquid and airflow in reaction box, improve the reaction purification effect of gas.

[0014] The utility model further sets up, the bottom end of pre -treatment box is provided with guide hopper in cooperation with filter screen cylinder, the bottom end of guide hopper is provided with slag discharge pipe, is provided with valve on slag discharge pipe, the particle dust intercepted in filter screen cylinder can descend to guide hopper and store temporarily under the action of gravity, when need to discharge the collected particle dust outward, open valve, so that dust can discharge outward through slag discharge pipe, realize the cleaning of collected dust.

[0015] The utility model further sets up, the scrape wall structure includes pivot, pivot is rotationally installed on pre -treatment box through bearing, and transmission connection is equipped with rotating electrical machine, be provided with connecting column on pivot, the tail end of connecting column is provided with scraper, the inner wall of scraper is attached with filter screen cylinder, start rotating electrical machine, can control pivot drive connecting column and scraper rotation through rotating electrical machine, can scrape and clean the inner wall of filter screen cylinder through scraper, thereby improve the filtration effect of filter screen cylinder.

[0016] The utility model further sets up, the side wall of air inlet pipe is pasted with heat conduction board, spiral flow guide blade, cooling box and air inlet pipe form spiral flow guide chamber, the outside of heat conduction board extends to spiral flow guide chamber and evenly sets up a plurality of heat exchange fins, the heat in air inlet pipe can be better guided out through heat conduction board, the heat exchange contact area of water flow in spiral flow guide chamber can be strengthened through heat exchange fin, improve heat exchange effect and energy utilization.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a dust removal mechanism for air pollution control, which has the following beneficial effects:

[0019] 1、 the utility model discloses a pretreatment box is set up to the filter screen cylinder is set up in the pretreatment box, so, in the dust removal in the air pollution control process, can make dust-containing airflow enter the pretreatment box through the air inlet pipe, and enter the filter screen cylinder, the large particle dust in it can be intercepted through the filter screen cylinder, thereby avoiding the subsequent large particle dust and the dust removal filter bag in the bag type dust collector contact, leading to the surface wear of the dust removal filter bag, improve the overall dust removal effect and efficiency.

[0020] 2、 the utility model discloses a cooling box is set up on the air inlet pipe, and spiral flow guide blade is set up between the cooling box and the air inlet pipe, the flue gas of general liquid supply processing process is mostly high temperature, when the high-temperature airflow flows through the air inlet pipe, the outside low-temperature water flow is transported to the cooling box through the liquid inlet pipe, and enters the spiral cooling cavity, and is guided through the spiral flow guide cavity, in this process, the heat exchange between the heat in the air inlet pipe and the water flow can be realized through the cooperation of the heat conduction plate and the heat exchange fin, so as to realize the heating of the water flow, so that the heated water flow can be used for industry and life, realize the effective use of energy in the air pollution control dust removal process.

[0021] 3、 the utility model discloses a reaction box is set up behind the bag type dust collector, so that the airflow after dust removal and filtration through the bag type dust collector can enter the reaction box evenly through the cooperation of the second connecting pipe, the air injection pipe and the air injection head, the reaction liquid is stored in the reaction box, so that the harmful substances in the airflow can be reacted, neutralization is realized, so as to improve the cleanliness when the gas is discharged, improve the treatment effect of air pollution, in this process, the first spiral blade and the second spiral blade can be driven to overturn through the cooperation of the motor and the synchronous belt transmission structure, so as to realize the stirring and mixing between the reaction liquid in the reaction box and the gas entering the reaction box, so as to improve the contact sufficiency between the gas and the reaction liquid, improve the purification treatment effect of the gas. ACCURACY OF DRAWINGS

[0022] Figure 1It is the whole structure schematic view of dust removal mechanism for atmospheric pollution treatment in the utility model.

[0023] Figure 2 It is the internal structure section view schematic view of processing box in the utility model.

[0024] Figure 3 It is the internal structure section view schematic view of cooling box in the utility model.

[0025] Figure 4 It is the internal structure section view schematic view of reaction box in the utility model.

[0026] Figure 5 It is the connection structure schematic view between the stirring shaft, the first spiral blade and the second spiral blade in the utility model.

[0027] In the drawing: 1, pretreatment box; 2, filter screen cylinder; 3, air inlet pipe; 4, first connecting pipe; 5, cooling box; 6, spiral guide vane; 7, liquid inlet pipe; 8, liquid outlet pipe; 9, bag type dust collector; 10, reaction box; 11, second connecting pipe; 12, exhaust pipe; 13, air injection pipe; 14, air injection head; 15, stirring shaft; 16, driving motor; 17, synchronous belt transmission structure; 18, first spiral blade; 19, second spiral blade; 20, guide hopper; 21, slag discharge pipe; 22, valve; 23, rotating shaft; 24, rotating motor; 25, connecting column; 26, scraper; 27, heat conduction plate; 28, spiral guide cavity; 29, heat exchange fin. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict.

[0029] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled person in the technical field to which the present application belongs.

[0030] In the present application, the orientation such as "up, down" is generally directed to the direction shown in the drawing, or is directed to the vertical, perpendicular or gravity direction, unless otherwise specified; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0031] Please refer to Figures 1-5The utility model provides a dust removal mechanism for atmospheric pollution treatment, including preprocessing box 1, be provided with filter screen cylinder 2 in preprocessing box 1, the side wall top end of filter screen cylinder 2 extends to the outside of preprocessing box 1 and is provided with inlet pipe 3, the side wall bottom end of preprocessing box 1 is provided with first connecting pipe 4, cooling box 5 is set up on inlet pipe 3, and the inside of cooling box 5 is provided with spiral flow guide blade 6 with inlet pipe 3, and inlet pipe 7 and outlet pipe 8 are set up with spiral flow guide blade 6,

[0032] When the high-temperature gas flows through the inlet pipe 3, the low-temperature water flow from the outside is transported into the cooling box 5 through the inlet pipe 7 and enters the spiral cooling cavity, and is guided through the spiral flow guide cavity 28. In this process, heat exchange between the heat in the inlet pipe 3 and the water flow can be achieved through the cooperation of the heat-conducting plate 27 and the heat exchange fins 29, thereby heating the water flow. The heated water flow can be used for industrial and domestic needs, and the energy can be effectively utilized in the atmospheric pollution treatment and dust removal process.

[0033] The utility model sets up scraping wall structure in filter screen cylinder 2, wherein, scraping wall structure includes pivot 23, pivot 23 is rotatably installed on preprocessing box 1 through bearing, and is provided with rotating motor 24 with transmission connection, pivot 23 is provided with connecting column 25, the tail end of connecting column 25 is provided with scraper 26, scraper 26 is attached with the inner wall of filter screen cylinder 2, and starts rotating motor 24, and pivot 23 can drive connecting column 25 and scraper 26 to rotate through rotating motor 24, and the inner wall of filter screen cylinder 2 can be scraped and cleaned through scraper 26, to improve the filtering effect of filter screen cylinder 2.

[0034] The utility model sets up bag type dust collector 9 and reaction box 10 in proper order at the tail end of first connecting pipe 4, is provided with second connecting pipe 11 between bag type dust collector 9 and reaction box 10, and jet assembly is set up to the inside bottom end of reaction box 10 that second connecting pipe 11 extends to, and the top of reaction box 10 is provided with exhaust pipe 12.

[0035] Wherein, jet assembly includes jet pipe 13, and the jet pipe 13 is provided with a plurality of, and a plurality of jet heads 14 are uniformly provided on each jet pipe 13, and the tail end of second connecting pipe 11 is connected with the gas inlet end of jet pipe 13, and the gas can be more evenly sprayed in the reaction solution in reaction box 10 through the setting of jet pipe 13 and jet head 14, to improve the purification effect of gas.

[0036] Please refer to Figures 1-5 As an embodiment of reaction box 10: a plurality of turnover stirring shafts 15 are rotatably arranged in reaction box 10 through bearing, and the turnover stirring shaft 15 is arranged above the jet pipe 13, and the turnover stirring shaft 15 is provided with turnover stirring assembly, and the outside of turnover stirring shaft 15 is provided with drive assembly with transmission connection, and the turnover of reaction liquid can be realized through the cooperation of turnover stirring shaft 15 and turnover stirring assembly, to improve the purification effect of gas.

[0037] Please see Figures 1-5 As one implementation of the drive assembly: the drive assembly includes a drive motor 16, which is connected to one of the stirring shafts 15. A synchronous belt drive structure 17 is provided between two adjacent stirring shafts 15. The rotation drive of the stirring shafts 15 can be controlled by the cooperation of the drive motor 16 and the synchronous belt drive structure 17, so as to realize the stirring of the reaction liquid.

[0038] Please see Figures 1-5 As one embodiment of the stirring assembly: the stirring assembly includes a first spiral blade 18, which is disposed on the stirring shaft 15, and a second spiral blade 19 is disposed in the opposite direction on the outer side of the first spiral blade 18. Through the cooperation of the first spiral blade 18 and the second spiral blade 19, sufficient stirring and contact between the reaction liquid and the gas flow in the reaction chamber 10 can be achieved, thereby improving the reaction and purification effect of the gas.

[0039] Please see Figures 1-5 As one implementation of the pretreatment box 1: the bottom end of the pretreatment box 1 is equipped with a guide hopper 20 in conjunction with the filter screen cylinder 2, and the bottom end of the guide hopper 20 is equipped with a slag discharge pipe 21. A valve 22 is installed on the slag discharge pipe 21. The particulate dust intercepted in the filter screen cylinder 2 will fall into the guide hopper 20 for temporary storage under its own gravity. When it is necessary to discharge the collected particulate dust, the valve 22 is opened so that the dust can be discharged through the slag discharge pipe 21, thereby cleaning the collected dust.

[0040] Please see Figures 1-5 As one implementation of the intake pipe 3: a heat-conducting plate 27 is attached to the side wall of the intake pipe 3, and a spiral guide cavity 28 is formed between the spiral guide vane 6, the cooling box 5 and the intake pipe 3. Multiple heat exchange fins 29 are evenly arranged on the outer side of the heat-conducting plate 27 into the spiral guide cavity 28. The heat in the intake pipe 3 can be better discharged through the heat-conducting plate 27, and the heat exchange fins 29 can enhance the heat exchange contact area of ​​the water flow in the spiral guide cavity 28, thereby improving the heat exchange effect and energy utilization rate.

[0041] In summary:

[0042] This utility model sets up a pretreatment box 1 and a filter cylinder 2 inside the pretreatment box 1. In this way, when dust removal is carried out in the process of air pollution control, the dust-laden airflow can enter the pretreatment box 1 through the air inlet pipe 3 and then enter the filter cylinder 2. The filter cylinder 2 can intercept large dust particles, thereby preventing large dust particles from contacting the dust collection filter bags in the bag dust collector 9 and causing wear on the surface of the dust collection filter bags, thus improving the overall dust removal effect and efficiency.

[0043] The utility model discloses a cooling box 5 is arranged on the air inlet pipe 3, and the spiral guide vane 6 is arranged between the cooling box 5 and the air inlet pipe 3, and the flue gas of general supply liquid processing process is mostly higher temperature, when the high temperature airflow flows through the air inlet pipe 3, the outside low temperature water flow is transported to the cooling box 5 through the liquid inlet pipe 7 and enters the spiral cooling cavity, and the spiral guide cavity 28 is guided, in this process, the heat exchange between the heat of the air inlet pipe 3 and the water flow can be realized through the cooperation of the heat conduction plate 27 and the heat exchange fin 29, so as to realize the heating of the water flow, so that the heated water flow can be used in industry and life, realizing the effective use of energy in the dust removal process of atmospheric pollution control.

[0044] The utility model discloses the reaction box 10 is arranged behind the bag type dust collector 9, so that the airflow after dust removal and filtration through the bag type dust collector 9 can enter the reaction box 10 evenly through the cooperation of the second connecting pipe 11, the air injection pipe 13 and the air injection head 14, and the reaction liquid is stored in the reaction box 10, so that the harmful substances in the airflow can be reacted, neutralization is realized, the cleanliness when the gas is discharged is improved, and the treatment effect of atmospheric pollution is improved, in this process, the first spiral blade 18 and the second spiral blade 19 are driven to overturn through the cooperation of the motor and the synchronous belt transmission structure 17, so that the reaction liquid in the reaction box 10 and the gas entering the reaction box 10 are stirred and mixed, so that the contact sufficiency between the gas and the reaction liquid is improved, and the purification treatment effect of the gas is improved.

[0045] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

[0046] In all the schemes mentioned above, the electrical element operation is controlled by the controller, and the control principle and circuit connection of the controller are known and mature technology, so the electrical connection relationship and specific circuit structure will not be described here.

[0047] In all the schemes mentioned above, the motor can be connected with a speed reducer if necessary, and the connection structure and working principle between the motor and the speed reducer are known technology, which will not be described here.

[0048] In all the above-mentioned schemes, the solar panel is connected with the battery, and the necessary accessories such as the inverter, the battery charging controller, the cable and the fuse, and the support, etc. The control principle and the line connection are all known and mature technologies, and the electrical connection relationship and the specific circuit structure are not described here.

Claims

1. A dust removal mechanism for air pollution control, comprising a pretreatment box (1), characterized in that: The pretreatment box (1) is provided with a filter screen cylinder (2), the top end of the side wall of the filter screen cylinder (2) extends to the outside of the pretreatment box (1) and is provided with an air inlet pipe (3), the bottom end of the side wall of the pretreatment box (1) is provided with a first connecting pipe (4), a cooling box (5) is sleeved on the air inlet pipe (3), the inside of the cooling box (5) and the air inlet pipe (3) are provided with spiral flow guide vanes (6), and the spiral flow guide vanes (6) are matched with an inlet liquid pipe (7) and an outlet liquid pipe (8), the filter screen cylinder (2) is provided with a wall scraping structure, the tail end of the first connecting pipe (4) is sequentially connected with a bag type dust collector (9) and a reaction box (10), the bag type dust collector (9) and the reaction box (10) are connected with a second connecting pipe (11), the second connecting pipe (11) extends to the inside bottom end of the reaction box (10) and is provided with a gas injection assembly, and the top end of the reaction box (10) is provided with an exhaust pipe (12).

2. The dust removal mechanism for air pollution treatment according to claim 1, characterized in that: The gas injection assembly comprises a plurality of gas injection pipes (13), each of the gas injection pipes (13) is uniformly provided with a plurality of gas injection heads (14), and the tail end of the second connecting pipe (11) is connected with the air inlet end of the gas injection pipe (13).

3. The dust removal mechanism for air pollution treatment according to claim 2, characterized in that: A plurality of stirring shafts (15) are rotatably arranged in the reaction box (10) through bearings, the stirring shafts (15) are arranged above the gas injection pipes (13), the stirring shafts (15) are provided with stirring assemblies, and the outer sides of the stirring shafts (15) are drivingly connected with driving assemblies.

4. The dust removal mechanism for air pollution treatment according to claim 3, characterized in that: The driving assembly comprises a driving motor (16), the driving motor (16) is drivingly connected with one of the stirring shafts (15), and adjacent two groups of the stirring shafts (15) are provided with a synchronous belt transmission structure (17).

5. The dust removal mechanism for air pollution treatment according to claim 4, characterized in that: The stirring assembly comprises first spiral vanes (18), the first spiral vanes (18) are arranged on the stirring shafts (15), and the outer sides of the first spiral vanes (18) are reversely provided with second spiral vanes (19).

6. The dust removal mechanism for air pollution treatment according to any one of claims 1-5, characterized in that: The bottom end of the pretreatment box (1) is provided with a guide hopper (20) matched with the filter screen cylinder (2), the bottom end of the guide hopper (20) is provided with a slag discharge pipe (21), and the slag discharge pipe (21) is provided with a valve (22).

7. The dust removal mechanism for air pollution treatment according to claim 1, characterized in that: The wall scraping structure comprises a rotating shaft (23), the rotating shaft (23) is rotatably mounted on the pretreatment box (1) through a bearing and is drivingly connected with a rotating motor (24), the rotating shaft (23) is provided with a connecting column (25), the tail end of the connecting column (25) is provided with a scraper (26), and the scraper (26) is attached to the inner wall of the filter screen cylinder (2).

8. The dust removal mechanism for air pollution treatment according to claim 1, characterized in that: A heat conduction plate (27) is attached to the side wall of the air inlet pipe (3), a spiral flow guide cavity (28) is formed between the spiral flow guide vanes (6), the cooling box (5) and the air inlet pipe (3), and a plurality of heat exchange fins (29) are uniformly arranged in the spiral flow guide cavity (28) and extend to the outside of the heat conduction plate (27).

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