CN219091560U

CN219091560U - Demisting and purifying device for coil coating pretreatment

Info

Publication number: CN219091560U
Application number: CN202320117299.3U
Authority: CN
Inventors: 黄克; 丁勇; 叶华亮; 燕成康
Original assignee: Guangdong Baipeng Industrial Co ltd
Current assignee: Guangdong Baipeng Industrial Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-05-30
Anticipated expiration: 2033-01-30

Abstract

The utility model discloses a demisting purification device for coil coating pretreatment, which comprises a purification tower, an air suction channel and an exhaust channel, wherein one end of the air suction channel extends to a water tank, the air suction channel is communicated with an air inlet of the purification tower, the exhaust channel is communicated with an air outlet of the purification tower, and the purification tower is respectively provided with: the demisting area is used for removing mist and impurities in the water mist and comprises a spray pipe and a demisting layer, and the spray pipe is positioned above the demisting layer; the filler zone is used for removing waste gas and water in the water mist, the filler zone is positioned above the mist removing zone, and the spray pipe is positioned between the filler zone and the mist removing layer; the utility model provides a demisting purification device for coil coating pretreatment, which can remove impurities in mist and remove moisture in the mist, and the demisting purification device is capable of enabling the mist in the water tank to enter a purification tower through an air suction channel and sequentially pass through a mist removing area and a filler area to be discharged from an air discharge channel from top to bottom.

Description

Demisting and purifying device for coil coating pretreatment

Technical Field

The utility model relates to the technical field of coil coating equipment, in particular to a demisting and purifying device for coil coating pretreatment.

Background

The aluminum coil is subjected to pretreatment prior to coil coating, specifically cleaning in a heated water tank to remove impurities, oil stains and sticky substances on the aluminum coil. Because the water in the water tank is in a heating state, water mist can be formed in the water tank, and the volatilization of the water mist can cause indoor environmental pollution, and the corrosion condition of the factory building steel structure can occur.

According to the prior art, there is a purifying device for a coater, the publication number is CN109291613a, which further comprises a support, a fan, a flue gas processor and an exhaust port; a pillar is arranged in the center of the upper end of the baffle; a fan is arranged at the upper end of the support column; a smoke processor is arranged at the upper end of the fan; the upper end of the smoke processor is provided with an exhaust port, toxic gas is sucked into the smoke processor through the fan for treatment, when the emission standard is reached, the smoke processor can only remove impurities in the gas, moisture and mist in the mist can not be removed, and the mist can be dropped and leaked everywhere when being discharged through the pipeline.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a defogging purifier who removes the impurity in the fog and can detach the pretreatment of roll coating of moisture in the fog, above-mentioned prior art's defect is overcome.

In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a roll up defogging purifier who scribbles pretreatment, includes purifying column, suction channel and exhaust passage, suction channel one end stretch to the basin, suction channel and purifying column air inlet intercommunication, exhaust passage and purifying column gas vent intercommunication, the purifying column be equipped with respectively:

the demisting area is used for removing mist and impurities in the water mist and comprises a spray pipe and a demisting layer, and the spray pipe is positioned above the demisting layer;

the filler zone is used for removing waste gas and water in the water mist, the filler zone is positioned above the mist removing zone, and the spray pipe is positioned between the filler zone and the mist removing layer;

the water mist in the water tank enters the purifying tower through the air suction channel and is discharged from the air discharge channel through the mist removing area and the filling area from top to bottom.

After adopting the structure, compared with the prior art, the utility model has the following advantages: the water mist in the water tank is sucked into the purification tower by utilizing the air suction channel, mist and impurities in the water mist are removed upwards through the mist suction channel and then are used for removing waste gas and moisture in the water mist by the filler region, so that the water mist is purified to discharge clean air from the exhaust channel, specifically, mist and impurities in the water mist can be removed to the greatest extent by utilizing the combination of the spray pipe and the mist removal layer, the waste gas and the moisture are removed by the filler region, and the situation that the water mist leaks everywhere when discharged through the exhaust channel is avoided.

Preferably, a porous plate is further arranged in the purifying tower, and the packing area and the demisting layer are respectively arranged on the porous plate, so that the packing area and the demisting layer are supported conveniently.

Preferably, the purifying tower is also provided with a filter plate, the filter plate is respectively positioned above the packing area and below the demisting area, so that large-particle impurities are prevented from entering the packing area and the demisting area, and the purifying effect is ensured.

Preferably, through hole grooves are formed in the left outer side plate and the right outer side plate of the purifying tower, and two ends of the filter plate are inserted into the through hole grooves respectively, so that the filter plate is convenient to install and replace.

Preferably, the number of the mist removing areas is two, the two mist removing areas are distributed up and down, the purifying effect is good, and the efficiency is high.

Preferably, a water tank is arranged in the bottom of the purifying tower, and the water tank is communicated with the spray pipe through a pipeline, so that spray water can be recycled conveniently.

Preferably, the purifying tower outer side corresponds to the position of the spray pipe and is provided with a manhole access hole, so that the purifying tower is convenient to manually enter for maintenance.

Preferably, an air suction cover is arranged above the water tank, one end of the air suction channel is communicated with the air suction cover, and the air suction channel is convenient for sucking more water mist into the purifying tower.

Preferably, the exhaust channel is provided with an exhaust fan, the water tank in the water tank is sucked into the purifying tower through the air suction channel by using the exhaust fan to purify and exhaust clean air through the exhaust channel, and the structure is simple.

Preferably, the packing area is a PP irregular plate, the mist removing layer is a PP polyhedral hollow sphere, gaps are reserved among the irregular plates, gas-liquid separation can be realized to the greatest extent, and waste gas and moisture are removed; the PP polyhedral hollow spheres effectively separate water mist from gas for filtering.

Drawings

FIG. 1 is a schematic view of a demisting purification device for coil coating pretreatment according to the present utility model.

The purifying tower comprises a purifying tower body, a purifying tower, a demisting area, a 1110, a spraying pipe, a 1120, a demisting layer, a 120, a filling area, a 2, an air suction channel, a 3, an air discharge channel, a 4, a water tank, a 5, a porous plate, a 6, a filter plate, a 7, a through hole groove, a 8, a water tank, a 9, a pipeline, a 10, a manhole access opening, a 11, an air suction cover, a 12 and an exhaust fan.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description.

Referring to fig. 1, a demisting purification device for coil coating pretreatment comprises a purification tower 1, wherein an air suction channel 2 is arranged between the lower end of the purification tower 1 and a water tank 4, an exhaust channel 3 is arranged at the upper end of the purification tower 1, an exhaust fan 12 is arranged on the exhaust channel 3, a packing area 120 and a demisting area 110 are sequentially arranged in the purification tower 1 from top to bottom, the demisting area 110 is used for removing mist and impurities in water mist, and the packing area 120 is used for removing moisture and waste gas in the water mist. Specifically, the demisting area 110 includes a spray pipe 1110 and a demisting layer 1120, the spray pipe 1110 and the demisting layer 1120 are vertically distributed, mist in the mist is removed through the demisting layer 1120, and the spray pipe 1110 is used to spray the mist after passing through the demisting layer 1120. And impurities in the water mist are removed, so that the purification effect is good and the efficiency is high.

As an example, in order to facilitate supporting the packing region 120 and the demister 1120, a perforated plate 5 is provided in the purification tower 1, and the packing region 120 and the demister 1120 are provided on the perforated plate 5, respectively, while the perforated plate 5 ensures that mist can pass through.

As an example, to prevent large-particle impurities from entering the packing region 120 and the demister region 110, the filter plates 6 are provided above the packing region 120 and below the demister region 110. Specifically, in order to facilitate the installation and the disassembly, through hole grooves 7 are respectively formed in the left side and the right side of the purifying tower 1, two ends of the filter plate 6 are respectively positioned in the through hole grooves 7, and two ends of the filter plate 6 respectively extend out of the outer side face of the purifying tower 1.

As an embodiment, the number of the mist elimination areas 110 is two, and the two mist elimination areas 110 are distributed up and down, so that the effect is good.

As an embodiment, in order to facilitate the cyclic use of spray water, a water tank 8 is arranged in the bottom of the purifying tower 1, the water tank 8 is communicated with a spray pipe 1110 through a pipeline 9, and water sprayed by the spray pipe 1110 falls into the water tank 8 through a filter plate 6.

As an example, in order to facilitate the intake of more water mist into the purification tower 1, an air suction hood 11 is provided above the water tank 4, the air suction hood 11 being in communication with the air suction channel 2.

As an example, the packing area 120 is a PP irregular plate, that is, an irregular plate of PP product, and gaps are formed between the irregular plates, so that gas-liquid separation can be realized to the greatest extent, and waste gas and moisture can be removed; the demisting layer 1120 is a PP polyhedral hollow sphere, and the PP polyhedral hollow sphere effectively separates water mist from gas for filtering.

Specifically, the principle of the utility model is that a filler area 120 and a demisting area 110 are respectively arranged in a purifying tower 1, water mist in a water tank 4 is sucked into the purifying tower 1 by utilizing an air suction channel 2, the water mist upwards passes through the demisting area 110 to remove mist and impurities in the water mist and then passes through the filler area 120 to remove waste gas and moisture in the water mist, so that the water mist is purified and clean air is discharged from an exhaust channel 3, specifically, the combination of a spray pipe 1110 and a demisting layer 1120 can remove the mist and impurities in the water mist to the greatest extent, and the filler area 120 removes the waste gas and the moisture to avoid dripping everywhere when being discharged through the exhaust channel 3. The technical scheme has the following advantages: 1. mist is discharged from the water drawing tank 4, so that indoor environmental pollution is reduced, factory building steel structures are protected, corrosion is prevented, the mist which is discharged after reaching standards is filtered by the purifying tower 1 to reach national discharge standards, and moisture in the mist is removed, so that the mist is prevented from dripping everywhere when being discharged through the exhaust channel 3.

The working process comprises the following steps: 1. starting an exhaust fan 12, and enabling water mist in a water tank 4 to pass through an exhaust hood 11 and an air suction channel 2 in sequence and pass through the purifying tower 1; 2. opening the spray pipe 1110, and enabling the water mist to pass through the demisting layer 1120 and the spray pipe 1110 in turn upwards to remove mist and impurities in the water mist; 3. and then passing through packing region 120 to remove exhaust gas and moisture; 4. finally, clean air is discharged from the exhaust passage 3.

On the basis of the above-described aspects, if various modifications or variations of the present utility model are not departing from the spirit and scope of the present utility model, it is intended that the present utility model also includes such modifications and variations as fall within the scope of the claims and the equivalents thereof.

Claims

1. The utility model provides a roll up defogging purifier who scribbles pretreatment, includes purifying column (1), suction channel (2) and exhaust passage (3), suction channel (2) one end stretch to basin (4), suction channel (2) and purifying column (1) air inlet intercommunication, exhaust passage (3) and purifying column (1) gas vent intercommunication, its characterized in that: the purifying towers (1) are respectively provided with:

the demisting area (110) is used for removing mist and impurities in the water mist, the demisting area (110) comprises a spray pipe (1110) and a demisting layer (1120), and the spray pipe (1110) is positioned above the demisting layer (1120);

the filler zone (120) is used for removing waste gas and moisture in the water mist, the filler zone (120) is positioned above the mist removing zone (110), and the spray pipe (1110) is positioned between the filler zone (120) and the mist removing layer (1120);

the water mist in the water tank (4) enters the purifying tower (1) through the air suction channel (2) and sequentially passes through the mist removing area (110) and the filling area (120) from top to bottom to be discharged from the air discharge channel (3).

2. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: a porous plate (5) is further arranged in the purifying tower (1), and the filler area (120) and the demisting layer (1120) are respectively arranged on the porous plate (5).

3. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: the purifying tower (1) is also internally provided with a filter plate (6), and the filter plate (6) is respectively positioned above the filling area (120) and below the demisting area (110).

4. A demisting and purifying device for coil coating pretreatment according to claim 3, wherein: the purification tower (1) both sides outside board on all be equipped with through-hole groove (7), filter (6) both ends peg graft respectively in through-hole groove (7).

5. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: the number of the demisting areas (110) is two, and the two demisting areas (110) are distributed up and down.

6. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: a water tank (8) is arranged in the bottom of the purifying tower (1), and the water tank (8) is communicated with the spray pipe (1110) through a pipeline (9).

7. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: and a manhole access hole (10) is formed in the position, corresponding to the spray pipe (1110), of the outer side of the purifying tower (1).

8. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: an air suction cover (11) is arranged above the water tank (4), and one end of the air suction channel (2) is communicated with the air suction cover (11).

9. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: an exhaust fan (12) is arranged on the exhaust channel (3).

10. The mist elimination purification device for coil coating pretreatment according to claim 1, wherein: the packing area (120) is a PP irregular plate, and the demisting layer (1120) is a PP polyhedral hollow sphere.