Gas purification equipment for coating production

Abstract

The utility model provides gas purification equipment for coating production, and relates to the technical field of coating production. The gas purification equipment comprises a spray tower, the spray tower is provided with a gas inlet and a gas outlet, a spray head and a filler layer are arranged in the spray tower, the gas inlet is sequentially communicated with a fan and a gas collecting hood, the gas outlet is communicated with an adsorption box, and an activated carbon adsorption layer is arranged in the adsorption box; a first water outlet is formed in the lower part of the spray tower, a purification water tank is arranged at the first water outlet, the purification water tank is provided with an independent adjusting chamber and a water storage chamber, the adjusting chamber is communicated with the first water outlet, the adjusting chamber is rotatably provided with an adjusting disc, the outer ring surface of the adjusting disc is sleeved with an annular filtering disc, and the water storage chamber is provided with a second water outlet communicated with the adjusting chamber; the lower part of the spray tower is communicated with a drain pipe; the water storage chamber is communicated with a water supply pipeline which is communicated with the spray head and is provided with a water pump. According to the utility model, sediments in spray water are filtered, and the sediments are prevented from blocking a water supply pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of coating production, in particular to a gas purification device for coating production. Background Art

[0002] In the process of paint production, some toxic and harmful gases and dust will be generated. In order to avoid environmental pollution, it is necessary to set up a waste gas treatment system to recycle and treat these toxic and harmful gases and dust.

[0003] The existing gas purification equipment mainly includes a spray tower and an adsorption box. The bottom of the spray tower is connected to a purification water tank, and the purification water tank is connected to a water supply pipeline and a nozzle. Water is sprayed through the water supply pipeline and the nozzle to absorb the dust in the spray tower; the water source after absorbing the dust flows back from the bottom of the spray tower to the purification water tank to achieve repeated recycling of the water source; however, the water source that absorbs the dust contains a large amount of sediment, which can easily lead to blockage of the water supply pipeline of the purification water tank. Utility Model Content

[0004] The utility model aims to provide a gas purification device for coating production, which can filter the sediment in the spray water and avoid the sediment blocking the water supply pipeline.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The technical solution of the present application provides a gas purification device for coating production, including a spray tower, the spray tower having an air inlet and an exhaust port, a nozzle and a packing layer arranged in the spray tower, the air inlet is sequentially connected to a fan and an air collecting hood, the exhaust port is connected to an adsorption box, and an activated carbon adsorption layer is arranged in the adsorption box;

[0007] A first water outlet is provided at the lower part of the spray tower, a purified water tank is provided at the first water outlet, an independent regulating chamber and a water storage chamber are provided at the purified water tank, the regulating chamber is located between the water storage chamber and the first water outlet, and the regulating chamber is connected to the first water outlet, an regulating disk is rotatably provided at the regulating chamber, the top side of the regulating disk passes through the top side of the purified water tank, an annular filter disk is sleeved on the outer ring surface of the regulating disk, and a part of the annular filter disk is sealed with the outer side of the first water outlet, a second water outlet connected to the regulating chamber is provided at the water storage chamber, and a drain pipe is connected to the lower part of the spray tower;

[0008] The water storage chamber is connected with a water supply pipeline, the water supply pipeline is connected with the nozzle, and the water supply pipeline is provided with a water pump.

[0009] In some embodiments of the present invention, a demister is provided at the exhaust port.

[0010] In some embodiments of the present invention, a drying box is provided between the adsorption box and the spray tower.

[0011] In some embodiments of the utility model, a protection box for covering the regulating disk is provided on the top side of the purified water tank, the protection box is provided with an opening, and a sealing cover is hingedly connected to the opening;

[0012] A suction cup for abutting and cooperating with the adjustment disk is arranged on the inner side of the sealing cover.

[0013] In some embodiments of the present invention, a plurality of toggle grooves are circumferentially arranged on the outer side of the adjusting disk.

[0014] In some embodiments of the present invention, the water storage chamber is provided with a liquid level sensor.

[0015] In some embodiments of the present invention, the nozzle and the filler layer form a spray assembly, and the number of the spray assemblies is two groups, and the two groups of the spray assemblies are spaced apart and distributed along the vertical direction of the spray tower.

[0016] Compared with the prior art, the technical solution of the utility model has at least the following advantages or beneficial effects:

[0017] (1) In the utility model, the waste gas generated during the paint production enters the spray tower through the air inlet, and the water storage chamber supplies water to the nozzle through the water supply pipeline. Based on the cooperation of the nozzle and the packing layer, the dust in the waste gas is adsorbed. The water source that has adsorbed the dust falls to the bottom of the spray tower, and is filtered through the annular filter disk at the first water outlet and then flows back to the water storage chamber for continued use, thereby realizing the recycling of water. The design of the annular filter disk realizes the filtration of sediment in the spray water and avoids the sediment from clogging the water supply pipeline.

[0018] (2) The rotating design of the adjusting disk enables different positions of the annular filter disk to be opposite to the first water outlet respectively, and the annular filter disk after filtering partially extends out of the adjusting chamber, which is convenient for cleaning and maintenance of the annular filter disk.

[0019] (3) The demister can remove moisture from the gas, achieving the purpose of saving water and drying the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1This is a schematic diagram of the structure of a gas purification device for coating production according to an embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure in which the spray tower and the purified water tank are connected in accordance with an embodiment of the utility model;

[0023] Figure 3 for Figure 1 A partial enlarged view of middle A;

[0024] Figure 4 It is a side view of the spray tower of the embodiment of the utility model;

[0025] Figure 5 It is a side view of the spray tower, the regulating disk and the purified water tank connected in the embodiment of the utility model.

[0026] Icons: 1-air collecting hood, 2-fan, 3-packing layer, 4-nozzle, 5-spray tower, 6-demister, 7-annular filter plate, 8-liquid level sensor, 9-drain pipe, 10-water pump, 11-drying box, 12-activated carbon adsorption layer, 13-adsorption box, 14-adjusting plate, 15-suction cup, 16-purified water tank, 17-first water outlet, 18-second water outlet, 19-slide groove, 20-protection box. DETAILED DESCRIPTION

[0027] Example

[0028] Please refer to Figure 1-Figure 5 , a gas purification device for coating production, comprising a spray tower 5, the spray tower 5 is arranged vertically, the spray tower 5 has an air inlet and an exhaust port, the air inlet is located at the lower part of the spray tower 5, the exhaust port is located at the top of the spray tower 5, the spray tower 5 is provided with a nozzle 4 and a packing layer 3, the nozzle 4 is located above the packing layer 3, the packing layer 3 can increase the contact area and contact time between gas and water to optimize the dust removal effect; the air inlet is sequentially connected with a fan 2 and an air collecting hood 1, the air collecting hood 1 is roughly funnel-shaped, and the air collecting hood 1 is provided to conveniently collect air containing dust and toxic and harmful gases, the exhaust port is connected with an adsorption box 13, and an activated carbon adsorption layer 12 is arranged in the adsorption box 13;

[0029] A first water outlet 17 is provided at the lower part of the spray tower 5, a purified water tank 16 is provided at the first water outlet 17, and the purified water tank 16 is provided with an independent regulating chamber and a water storage chamber, the regulating chamber is located between the water storage chamber and the first water outlet 17, and the regulating chamber is connected to the first water outlet 17, an regulating disk 14 is rotatably provided at the regulating chamber, the top side of the regulating disk 14 passes through the top side of the purified water tank 16, an annular filter disk 7 is sleeved on the outer ring surface of the regulating disk 14, and a part of the annular filter disk 7 is sealed with the outer side of the first water outlet 17, a second water outlet 18 connected to the regulating chamber is provided in the water storage chamber, and a drain pipe 9 is connected to the lower part of the spray tower 5; the rotating design of the regulating disk 14 makes different positions of the annular filter disk 7 face the first water outlet 17 respectively, and the annular filter disk 7 after filtering partially extends out of the regulating chamber, so as to facilitate the cleaning and maintenance of the annular filter disk 7.

[0030] The water storage chamber is connected to a water supply pipeline, the water supply pipeline is connected to the nozzle 4, and the water supply pipeline is provided with a water pump 10.

[0031] In the utility model, the waste gas generated during the paint production enters the spray tower 5 through the air inlet, and the water storage chamber supplies water to the nozzle 4 through the water supply pipeline. Based on the cooperation of the nozzle 4 and the packing layer 3, the dust in the waste gas is adsorbed. The water source that has adsorbed the dust falls to the bottom of the spray tower 5, and is filtered through the annular filter disk 7 of the first water outlet 17 and then flows back to the water storage chamber for continued use, thereby realizing the recycling of water sources; the design of the annular filter disk 7 realizes the filtration of sediment in the spray water and avoids the sediment from clogging the water supply pipeline.

[0032] In some embodiments of the present invention, a demister 6 is provided at the exhaust port.

[0033] In the above embodiment, the demister 6 can remove moisture from the gas, thereby achieving the purpose of saving water and drying the gas.

[0034] In some embodiments of the present invention, a drying box 11 is provided between the adsorption box 13 and the spray tower 5 .

[0035] In the above embodiment, the design of the drying box 11 can achieve further drying of the gas after dust removal, and the combined effect of the drying box 11 and the demister 6 can achieve a better gas dehydration effect.

[0036] In some embodiments of the present invention, a protection box 20 is provided on the top side of the purified water tank 16 to cover the regulating disk 14. The protection box 20 has an opening, and a sealing cover is hingedly connected to the opening.

[0037] A suction cup 15 for abutting and cooperating with the adjustment disk 14 is arranged inside the sealing cover.

[0038] In the above embodiment, the design of the protection box 20 has a protective effect on the annular filter disc 7 to prevent dust from collecting on the annular filter disc 7. The annular filter disc 7 is an annular plate with a plurality of filter holes, which are evenly arranged on the annular plate.

[0039] The suction cup 15 is designed so that when the sealing cover is covered, the suction cup 15 sucks the adjustment disk 14 to achieve the positioning of the adjustment disk 14.

[0040] In some embodiments of the present invention, a plurality of toggle grooves 19 are provided on the outer circumference of the adjusting disk 14. The design of the toggle grooves 19 facilitates the toggle adjustment disk 14 to rotate.

[0041] In some embodiments of the present invention, the water storage chamber is provided with a liquid level sensor 8.

[0042] In the above embodiment, the liquid level sensor 8 can monitor the liquid level in the water storage chamber so as to replenish or discharge the water source in time.

[0043] In some embodiments of the present invention, the nozzle 4 and the packing layer 3 form a spray assembly. The number of the spray assemblies is two groups, and the two groups of the spray assemblies are spaced apart and distributed along the vertical direction of the spray tower 5 .

[0044] In the above embodiment, two groups of spray assemblies operate simultaneously, so as to achieve a better dust removal effect on the gas.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas purification device for coating production, characterized in that: It includes a spray tower, the spray tower has an air inlet and an exhaust port, a nozzle and a packing layer are arranged in the spray tower, the air inlet is sequentially connected to a fan and an air collecting hood, the exhaust port is connected to an adsorption box, and an activated carbon adsorption layer is arranged in the adsorption box; The lower part of the spray tower is provided with a first water outlet, a purified water tank is provided at the first water outlet, the purified water tank is provided with an independent regulating chamber and a water storage chamber, the regulating chamber is located between the water storage chamber and the first water outlet, and the regulating chamber is connected to the first water outlet, the regulating chamber is rotatably provided with an regulating disk, the top side of the regulating disk passes through the top side of the purified water tank, the outer annular surface of the regulating disk is sleeved with an annular filter disk, and a part of the annular filter disk is sealed with the outer side of the first water outlet, the water storage chamber is provided with a second water outlet connected to the regulating chamber, and the lower part of the spray tower is connected with a drain pipe; The water storage chamber is connected with a water supply pipeline, the water supply pipeline is connected with the nozzle, and the water supply pipeline is provided with a water pump.

2. A gas purification device for coating production according to claim 1, characterized in that: A demister is provided at the exhaust port.

3. A gas purification device for coating production according to claim 2, characterized in that: A drying box is arranged between the adsorption box and the spray tower.

4. A gas purification device for coating production according to claim 1, characterized in that: A protection box for covering the regulating disk is arranged on the top side of the purified water tank, the protection box is provided with an opening, and a sealing cover is hingedly connected to the opening; A suction cup for abutting and cooperating with the adjusting disk is arranged on the inner side of the sealing cover.

5. A gas purification device for coating production according to claim 1, characterized in that: A plurality of toggle grooves are arranged circumferentially on the outer side of the adjusting disk.

6. A gas purification device for coating production according to claim 1, characterized in that: The water storage chamber is provided with a liquid level sensor.

7. A gas purification device for coating production according to claim 1, characterized in that: The spray head and the packing layer form a spray assembly, and the number of the spray assemblies is two groups, and the two groups of spray assemblies are distributed at intervals along the vertical direction of the spray tower.

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