Dust absorption device

Abstract

The utility model discloses a dust absorbing device which is used for reducing dust emission in the production process, and relates to the technical field of air purification, the dust absorbing device comprises a pretreatment mechanism, an activated carbon adsorption mechanism and a spray tower, the pretreatment mechanism comprises a pretreatment box body, an upper cover and a filter screen cylinder, and the filter screen cylinder is installed in the pretreatment box body; an upper cover is installed on the upper portion of the pretreatment box body, a dust suction pipe is installed on the pretreatment box body, an air outlet of the pretreatment mechanism is connected with an air inlet of the activated carbon adsorption mechanism, an air outlet of the activated carbon adsorption mechanism is connected with an air inlet of the spray tower, and an air outlet of the activated carbon adsorption mechanism is connected with an air inlet of the spray tower. According to the utility model, the pretreatment mechanism and the activated carbon adsorption mechanism are arranged, and the pretreatment mechanism can be used for pre-filtering dust-containing gas and removing large particles in the dust-containing gas in advance, so that activated carbon is prevented from being polluted and blocked, and the adsorption efficiency and the service life of the activated carbon are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification technical field, concretely is a dust absorption device for reducing dust emission in production process. BACKGROUND

[0002] In the production process of paint, a large amount of raw material dust is easily produced in the latex paint stirring process and the weighing process of water-proof powder falling from the hopper, if the dust is not collected, on the one hand, it will inevitably cause waste, increase production cost, and easily pollute the working environment.

[0003] Through the search, patent authorized announcement No. CN 216175214 U discloses a dust absorption device for paint production workshop, "including dust extraction pipe, the left side of the inner wall of the dust extraction pipe is fixedly connected with dust extraction fan, the top of the right side of the dust extraction pipe is provided with mounting slot, the inside of the mounting slot is movably inserted with filter plate", but the dust absorption device in the above-mentioned cannot filter the large particle impurities in the dust-containing gas in advance, which will cause the large particle impurities to collide and rub with the exhaust fan installed in the dust extraction pipe after being extracted into the dust extraction pipe, resulting in the damage of the structure of the exhaust fan, seriously affecting the working efficiency and service life of the exhaust fan, and further affecting the dust absorption effect. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a dust absorption device to solve the problems in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A dust absorption device, including pretreatment mechanism, activated carbon adsorption mechanism and spray tower, the pretreatment mechanism includes pretreatment box, upper cover and filter screen tube, the filter screen tube is installed in the pretreatment box, the upper cover is installed on the upper part of the pretreatment box, the dust extraction pipe is installed on the pretreatment box, the gas outlet of the pretreatment mechanism is connected with the air inlet of activated carbon adsorption mechanism, the air outlet of activated carbon adsorption mechanism is connected with the air inlet of spray tower, the fan is installed on the top of spray tower, the activated carbon adsorption mechanism includes adsorption box, drawer frame, baffle and activated carbon plate, a plurality of drawer frames are arranged at equal intervals from top to bottom in the adsorption box, the activated carbon plate is placed in the drawer frame, the drawer guide rail is arranged on the both sides of the drawer frame, the drawer frame is slidably connected with the baffle installed in the adsorption box through the drawer guide rail.

[0007] As a further scheme of the utility model: the spray tower includes tower body, filter screen, water pipe and circulating water pump, one side of the tower body is provided with water pipe, the bottom end of the water pipe is connected with the tower bottom, a plurality of nozzles are installed on the upper portion of the water pipe and penetrate the tower body horizontally and downward, the circulating water pump is installed in the middle of the water pipe, the filter screen is installed on the tower bottom and opposite to the bottom end of the water pipe.

[0008] As a further scheme of the utility model: the front drawer panel of the drawer frame is provided with a hasp, and the hasp is matched with a hook installed on the corresponding position of the adsorption box.

[0009] As a further scheme of the utility model: the baffle is distributed in the adsorption box in left-right staggered mode.

[0010] As a further scheme of the utility model: a rain shelter is installed on the fan.

[0011] As a further scheme of the utility model: the side surface of the tower body is provided with a water injection port and a drainage port, and the water injection port and the drainage port are sealed by sealing plugs.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a dust absorption device, which comprises a dust absorption device body, a pretreatment mechanism and an active carbon adsorption mechanism.

[0014] 2、The active carbon plate in the active carbon adsorption mechanism adopts a pull-out type structure, so that personnel can conveniently periodically dismount and replace the active carbon plate, and maintenance is more convenient.

[0015] 3、The utility model discloses a dust absorption device, which comprises a dust absorption device body, a pretreatment mechanism and an active carbon adsorption mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an internal structure schematic view of a dust absorption device.

[0017] Figure 2 It is an overall appearance view of a dust absorption device.

[0018] Figure 3 It is a dust absorption device Figure 2 It is a structure enlarged view of A in the dust absorption device.

[0019] 1, pretreatment mechanism;101, pretreatment box;102, upper cover;103, filter screen cylinder;2, activated carbon adsorption mechanism;201, adsorption box;202, drawer frame;203, baffle;204, activated carbon plate;3, spray tower;301, tower body;302, filter screen;303, water pipe;304, circulating water pump;4, fan;5, rain shelter;6, water inlet;7, drain;8, drawer handle;9, hook;10, buckle;11, dust suction pipe;12, demister. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-2 In the embodiments of the present application, a dust absorption device comprises a pretreatment mechanism 1, an activated carbon adsorption mechanism 2 and a spray tower 3. The pretreatment mechanism 1 comprises a pretreatment box 101, an upper cover 102 and a filter screen cylinder 103. The filter screen cylinder 103 is installed in the pretreatment box 101. The upper cover 102 is installed on the upper part of the pretreatment box 101. The upper cover 102 can be opened to facilitate personnel to take out the filter screen cylinder 103 for cleaning impurities. The dust suction pipe 11 is installed on the pretreatment box 101. The dust suction pipe 11 is connected with a dust hood in a paint production workshop. The demister 12 is installed above the water pipe 303 in the spray tower 3. The demister 12 can remove mist and water droplets in gas, prevent them from being discharged with gas, reduce the loss of water resources, and prevent the fan 4 from being damaged by water immersion

[0022] Please refer to Figures 1-3The gas outlet of the pretreatment mechanism 1 is connected with the gas inlet of the activated carbon adsorption mechanism 2, the gas outlet of the activated carbon adsorption mechanism 2 is connected with the gas inlet of the spray tower 3, the fan 4 is installed at the top of the spray tower 3, the activated carbon adsorption mechanism 2 comprises an adsorption box 201, a drawer frame 202, a baffle 203 and an activated carbon plate 204, a plurality of drawer frames 202 are arranged at equal intervals from top to bottom in the adsorption box 201, the activated carbon plate 204 is placed in the drawer frame 202, drawer guide rails are arranged on the two sides of the drawer frame 202, the drawer frame 202 is slidably connected with the baffles 203 installed on the two sides of the drawer frame 202 in the adsorption box 201 through the drawer guide rails, a hasp 10 is installed on the front drawer panel of the drawer frame 202, the hasp 10 is matched with a hook 9 installed at a corresponding position on the adsorption box 201, the cooperation of the hasp 10 and the hook 9 can make the installation of the drawer frame 202 more firm, so that the drawer frame 202 is prevented from sliding out freely during use, a drawer handle 8 is installed on the front drawer panel of the drawer frame 202, the drawer handle 8 is arranged to facilitate personnel to pull the drawer frame 202 outwards, and the baffles 203 are distributed in a staggered manner left and right in the adsorption box 201, so that the dust-containing gas can smoothly pass through the adsorption box 201, and the drawer frame 202 can be smoothly pulled out.

[0023] Please refer to Figures 1-2 The spray tower 3 comprises a tower body 301, a filter screen 302, a water pipe 303 and a circulating water pump 304, the water pipe 303 is installed on one side of the tower body 301, the bottom end of the water pipe 303 is connected with the tower bottom, a plurality of nozzles are transversely arranged through the tower body 301 and downwardly installed on the upper portion of the water pipe 303, the circulating water pump 304 is installed in the middle of the water pipe 303, the filter screen 302 is installed on the tower bottom and faces the bottom end of the water pipe 303, the filter screen 302 is used for intercepting impurities in water, so that the water can be reused and the probability of clogging of the spray head is reduced, the rain shelter 5 is installed on the fan 4, the rain shelter 5 is arranged to shelter the fan 4 from rain, the dust-containing gas is less abraded to the fan 4 after being purified, the water inlet 6 and the water outlet 7 are formed in the side surface of the tower body 301 and are both sealed by sealing plugs, the water inlet 6 is used for supplementing water in the tower body 301, and the water outlet 7 is used for discharging excess water and impurities from the tower body 301.

[0024] The working principle of the utility model is:

[0025] In use, the dust-containing gas in the paint production workshop enters the pretreatment mechanism 1 from the dust hood and the dust suction pipe 11 under the suction of the fan 4, the large-particle impurities are intercepted by the filter screen cylinder 103 in the pretreatment mechanism 1, and then the gas enters the activated carbon adsorption mechanism 2, in the activated carbon adsorption mechanism 2, when the gas passes through the activated carbon plate 204, the small particles of dust in the gas are absorbed by the micropores on the surface of the activated carbon plate 204, and the gas passes through the activated carbon plate 204 and enters the spray tower 3, at this time, the circulating water pump 304 will pump the water at the bottom of the spray tower 3 out through the water pipe 303 and spray it out through the nozzle, the water body is in reverse contact with the rising gas, so that the small dust on the surface of the gas falls down due to the adhesion of water, and the clean gas is discharged from the fan 4 after the demister 12 removes the mist.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust absorption device comprising a pre-treatment mechanism (1), an activated carbon adsorption mechanism (2) and a spray tower (3), characterized in that: The preprocessing mechanism (1) comprises a preprocessing box (101), an upper cover (102) and a filter screen cylinder (103), the filter screen cylinder (103) is installed in the preprocessing box (101), the upper cover (102) is installed on the upper part of the preprocessing box (101), a dust suction pipe (11) is installed on the preprocessing box (101), the air outlet of the preprocessing mechanism (1) is connected with the air inlet of the activated carbon adsorption mechanism (2), the air outlet of the activated carbon adsorption mechanism (2) is connected with the air inlet of the spray tower (3), the fan (4) is installed on the top of the spray tower (3), the activated carbon adsorption mechanism (2) comprises an adsorption box (201), a drawer frame (202), a baffle (203) and an activated carbon plate (204), a plurality of drawer frames (202) are arranged at equal intervals from top to bottom in the adsorption box (201), the activated carbon plate (204) is placed in the drawer frame (202), drawer guide rails are arranged on the two sides of the drawer frame (202), and the drawer frame (202) is slidably connected with the baffles (203) installed on the two sides of the drawer frame (202) in the adsorption box (201) through the drawer guide rails.

2. A dust extraction device according to claim 1, characterised in that: The spray tower (3) comprises a tower body (301), a filter screen (302), a water pipe (303) and a circulating water pump (304), the water pipe (303) is installed on one side of the tower body (301), the bottom end of the water pipe (303) is connected with the tower bottom, a plurality of nozzles are installed on the upper part of the water pipe (303) and downwardly penetrate the tower body (301) in a transverse direction, the circulating water pump (304) is installed in the middle of the water pipe (303), and the filter screen (302) is installed on the bottom of the tower body (301) and faces the bottom end of the water pipe (303).

3. A dust extraction device according to claim 1, wherein: The buckle (10) is installed on the front drawer panel of the drawer frame (202), and the buckle (10) is matched with the hook (9) installed on the corresponding position of the adsorption box (201).

4. A dust extraction device according to claim 1, wherein: The baffles (203) are distributed in a left-right staggered manner in the adsorption box (201).

5. A dust extraction device according to claim 1, wherein: The rain shelter (5) is installed on the fan (4).

6. A dust extraction device according to claim 2, wherein: The water injection port (6) and the drainage port (7) are formed in the side surface of the tower body (301), and the water injection port (6) and the drainage port (7) are sealed by sealing plugs.

Images