CN104174236B - Air filter for paint room and carpentry room - Google Patents

Abstract

Air cleaner that paint room and carpenter's room were used comprises suction exhaust apparatus, dust filter equipment, filtration basin, cistern, circulating water pump, delivery pipe, air purification device, dust filter equipment include and drive the banding filter screen of pivoted by power device, filter screen end to end, form the ring, an pot head is on last roller, another pot head is on roller down. Through the use of filter screen, shortened the route that the air flows to enlarge actual filterable area, be fit for workshop use that dust is big such as paint room.

Description

Air filters for paint and carpentry workshops

technical field

The invention relates to a filter for filtering dust or oil fume in the air, which belongs to the air filtering technology.

Background technique

Taking the paint room as an example, a large amount of dust and harmful gases will be produced during work. These harmful substances not only affect the health of the operators, but also cause damage to the processing of the products. Therefore, the paint room will use ventilation equipment and dust filtration equipment, such as a water curtain machine that combines filtration and ventilation functions. The design of the water curtain machine is usually to set a baffle in the middle of the cabinet, the water flows from the top to the surface of the baffle to form a water curtain, a filter tank is set under the baffle, and a gap, so that the air flows from the gap between the baffle and the filter water tank to the blower, and the dust in the air will be absorbed by the water and flow into the filter water tank when it hits the water curtain. The advantage of this design is that the components are installed in a centralized manner, which is convenient for mobile use The disadvantage is that the air can only flow through the gap between the baffle and the filter tank, because the air will only choose the shortest route when it flows, so, in the upper part of the water curtain, the air flow is relatively poor, and the dust removal effect is not very good ideal.

There is also a dust removal method. The whole floor of the spray painting room adopts metal grille, and the exhaust device sucks and exhausts from the gap between the grille and the ground. to the purifying effect. However, this structure is not suitable for use in many occasions.

Taking the kitchen as an example, a lot of oily fume is generated when cooking, and the oily fume is discharged outside through the range hood. Although this design solves the problem of indoor oily fume, it will cause serious pollution to the flue and the surrounding environment. Therefore, there are also some The kitchen is equipped with degreasing and electrostatic precipitating devices, but this configuration has hidden dangers of high-voltage leakage and fire hazards.

Now there is a kind of air filtration and cooling equipment for factory buildings, which sucks and filters the outdoor air and blows it into the room after cooling down. The advantage is low energy consumption, but the disadvantage is that the filter screen is fixed, and the filter screen is easy to be blocked after a long time of use. , Difficult to clean and maintain.

Therefore, it is necessary to find an air filtering device that can not only effectively remove dust and smoke, but also effectively reduce environmental pollution and can automatically clean.

Contents of the invention

The object of the present invention is to provide an air filtering device that can not only effectively remove dust and smoke, but also effectively reduce environmental pollution and can automatically clean.

The technical solution of the present invention is: an air filter for paint room and carpentry room, which consists of suction and exhaust device 1, dust filter device 2, filter water tank 3, water storage tank 5, circulating water pump 6, water delivery pipe 7, air The purification device 8 is composed of; the suction and exhaust device 1 is installed behind the dust filter device 2 in a matrix arrangement by more than one blower 11; the dust filter device 2 includes a parallel upper roller shaft 21 and a lower roller shaft 22 And the power unit 23, the water delivery pipe 7 is located above the dust filter device 2, and the filter tank 3 is located below the dust filter device 2; a belt filter screen 24 driven by the power unit 23 to rotate is set on one side of the workbench. The filter water tank 3 is set under the net 24, and the water in the reservoir 5 is pumped into the water delivery pipe 7 through the circulating water pump 6, and then sprayed onto the filter screen 24 from above the upper roller shaft, and the blowers 11 arranged in a matrix are placed on the filter screen On the wall at the rear of 24, air cleaning device 8 is set behind the wall, and the paint and dust produced during painting are sucked into the wet filter screen 24 by air blower 11, and then cleaned in the filter water tank 3, after filtering through filter screen 24 The air is blown to the air cleaning device 8 for further purification.

The filter screen 24 is connected end to end to form a ring shape, one end is set on the upper roller shaft 21, the other end is set on the lower roller shaft 22, and the lower part of the lower roller shaft 23 is soaked in the water in the filter tank 3; the power device 23 drives the lower roller When the shaft 22 rotates, the lower roller shaft 22 drives the filter screen 24 and the upper roller shaft 21 to rotate; a dust removal device 25 is arranged below the lower roller shaft 22 .

The upward side of the dust removal device 25 is provided with a brush.

An air guide cover 12 is arranged in front of each blower 11, and two adjacent air guide covers 12 are seamlessly connected at one side of the air inlet.

An air cleaner 81 is arranged inside the air cleaning device 8 , and an exhaust port 82 is arranged on the wall.

When working, the suction and exhaust device 1 sucks the air to flow to the filter screen, and the dust and oil fume in the air are adhered by the wet filter screen. The dust and oil fumes on the net are washed into the water by the dust removal device 25, and a small part of the air is sucked by the suction and exhaust device 1, and blows through the dense small holes on the outer filter screen to the inner filter screen, and the wet filter screen blows the air into the water. Part of the dust and fume contained in the air is absorbed again; the remaining dust and fume in the air are sucked by the blower 11 and blown into the air cleaning device 8, and then discharged from the exhaust port 82 after being purified by the air cleaner 81.

Beneficial effect:

1. By setting the rotating filter, the wet filter absorbs the dust and oil fume in the air and then moves down to the filter water tank. The dust and oil fume adhering to the filter are washed into the water by the dust removal device and cleaned. The filter screen continues to move upwards to absorb the dust and oil fumes in the air blown in through the small holes on the outer filter screen. The double-cleaned air is blown into the air purification device by the blower and then discharged to the Outdoors, it effectively reduces the pollution of dust and oil fume to the surrounding environment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is A-A diagram of Fig. 1 .

detailed description

As shown in Figure 1 and Figure 2, an air filter for paint room and carpentry room consists of suction and exhaust device 1, dust filter device 2, filter water tank 3, water storage tank 5, circulating water pump 6, water delivery pipe 7 , Air cleaning device 8 is formed. The suction and exhaust device 1 and the air cleaning device 8 are arranged above the reservoir 5 .

The suction and exhaust device 1 is installed behind the dust filter device 2 in a matrix arrangement by more than one blower 11; a base 51 is provided under the reservoir, and a drain valve 52 is provided at the bottom of the reservoir; the dust The filter device 2 includes a parallel upper roller shaft 21, a lower roller shaft 22 and a power unit 23, the water delivery pipe 7 is located above the dust filter device 2, the filter tank 3 is located below the dust filter device 2, and the bottom of the filter tank 3 is provided with a drain valve 31; The water in the reservoir 5 is pumped into the water delivery pipe 7 through the circulating water pump 6, and then sprayed onto the filter screen 24 from above the upper roller shaft 21. The dust filter device 2 also includes a belt driven by the power device 23 Shape filter screen 24, described filter screen 24 is connected end to end to form a ring, one end is set on the upper roller shaft 21, the other end is sleeved on the lower roller shaft 22, and the bottom of the lower roller shaft 23 is soaked in the water in the filter water tank 3; power The device 23 drives the lower roller shaft 22 to rotate, and when the lower roller shaft 22 rotates, it drives the filter screen 24 and the upper roller shaft 21 to rotate; a dust removal device 25 is arranged below the lower roller shaft 22 .

During work, the suction and exhaust device 1 sucks the air to flow to the filter screen, most of the dust and oil fumes in the air are adhered by the wet filter screen, and the filter screen moves downwards into the filter water tank 3 driven by the power unit 23, Dust and oil fumes adhered to the filter screen are washed into the water by the dust removal device 25 . Under the aspiration of the suction and exhaust device 1, a small part of air passes through the dense small holes on the outer filter and blows to the inner filter, and the wet filter absorbs a part of the dust and oil fume contained in the air. Dust and fumes remaining in the air are sucked by the blower 11 and blown into the air cleaning device 8 , and then discharged from the exhaust port 82 after being purified by the air cleaner 81 .

The filter water tank 3 is located in the water storage tank, and the edge of the filter water tank 3 is provided with an overflow port, so that excess water in the filter water tank 3 overflows into the water storage tank 5 . The bottom of the filter water tank 3 is provided with a blowdown valve 31. After being absorbed by the filter screen, the dust and oil fumes are swept into the water by the dust removal device 25, and are regularly discharged through the blowdown valve 31 after settling.

The reservoir 5 is used to settle dust and supply water to the circulating water pump 6 . The dust is mixed in the water, and enters the reservoir 5 from the filter tank 3 through the overflow port. After a period of time, the dust sinks to the bottom of the reservoir 5 under the action of gravity, and then is regularly discharged through the drain valve 52 located at the bottom of the pond.

The lower part of the lower roller shaft 22 is immersed in the water in the filtered water tank 3 . Make there is no gap between the lower roller shaft 22 and the filter water tank 3, avoiding that the air containing a large amount of dust directly enters the blower without filtering.

The power device 23 includes a speed reduction device and a power transmission device.

A dust removal device 25 is arranged below the lower roller shaft 22 for cleaning the dust and oil fumes on the filter screen into the water in time.

The upward side of the dust removal device 25 is provided with a brush. The beginning of the brush is an upward semicircle, which just matches the shape of the lower roller shaft 22. When the filter screen 24 rotates with the lower roller shaft 22, it just passes by the brush and is passively stuck to the filter screen 24 by the brush. The dust on the filter is swept away and falls into the filter water tank 3.

The top of the filter screen 24 is inclined inwardly, so that the water sprayed out by the water delivery pipe 7 can impact the dust on the filter screen more powerfully, and the dust is removed from the filter screen.

An air guide cover 12 is arranged in front of each blower 11, and two adjacent air guide covers 12 are seamlessly connected at one side of the air inlet.

An air cleaning device 8 is provided behind the air intake and exhaust device 1 .

An air cleaner 81 is arranged inside the air cleaning device 8 , and an exhaust port 82 is arranged on the wall. The air cleaner 81 can adopt an ozone generator to decompose harmful gases such as formaldehyde in the air.

When working, the power unit 23 drives the upper roller shaft 21 and the lower roller shaft 22 to rotate, and then drives the filter screen 24 to rotate. Dust and oil fume are attracted to the filter screen 24 by the suction and exhaust device 1, and most of the dust and oil fume stick to the wet On the filter screen 24, it is moved downward by the filter screen 24. When the filter screen 24 passes through the dust removal device 25, the brush provided upward brushes the dust on the filter screen 24 into the water, and the cleaned filter screen 24 is cleaned again. After water immersion, under the action of the power unit 23, it moves upward from the side close to the suction and exhaust device 1, and a small amount of dust that passes through the front filter screen further sticks to the filter screen 24, and the filter screen continues to move upward, turning over After the upper roller shaft 21, a large amount of dust adheres and then moves down to the filter water tank 3. The dust is removed by the brush again and soaked, and then moves upward under the action of the power device 23, so that the cycle goes back and forth, and the convection flows continuously. Purify the air, stick the dust in the air and bring it to the water, so that the air entering the blower only contains a small amount of dust and harmful gases.

The blower blows the air containing a small amount of dust and harmful gas into the air cleaning device 8, and the harmful gas in the air is purified by the air cleaner 81 and then discharged through the exhaust port 82.

When the present invention is used in a paint room and a carpentry room, a filter screen 24 that can roll up and down is provided on one side of the workbench, a filter water tank 3 is provided below the filter screen 24, and blowers arranged in a matrix are arranged on the wall behind the filter screen 24 11. Install an air purification device 8 behind the wall. The paint and dust generated during painting can be sucked by the blower 11 to the wet filter screen 24 in time, and then cleaned into the filter water tank 3. After being filtered by the filter screen 24 The air is blown to the air cleaning device 8 for further purification.

When the present invention is used in the kitchen, an air filter is installed behind the workbench, and the cooking fumes generated during cooking will be absorbed onto the wet filter screen, then washed into the filter water tank, and then drained regularly, avoiding damage to the surrounding environment. air pollution.

If the dust and soot content in the air is required to be higher, another suction and exhaust device 1 is installed in front of the dust filter device 2, or multiple parallel dust filter devices 2 are installed to achieve the goal.

By continuously rotating the filter screen and spraying water downwards on the filter screen, the filter screen absorbs dust and oily fume in the air, and then through the filter water tank set under the filter screen, the dust and oily fume adsorbed by the filter screen are cleaned and filtered out, effectively reducing It prevents pollution to the environment and can automatically clean the filter screen.

The above-mentioned embodiments are only used to illustrate and explain the purpose of the present invention, rather than to limit the present invention. Those of ordinary skill in the art may make various changes or substitutions within the essential scope of the present invention, which shall also belong to the present invention. scope of protection for inventions.

Claims (6)

1. the air cleaner of paint locker and carpentry yard, is made up of air intake and exhaust system (1), dust filtering device (2), filtering trough (3), cistern (5), water circulating pump (6), flow pipe (7), air cleaning unit (8), air intake and exhaust system (1) is arranged on the rear of dust filtering device (2) by the mode that matrix arranges by the air blast (11) of more than 1, described dust filtering device (2) comprises parallel upper roll shaft (21), lower roller shaft (22) and power set (23), flow pipe (7) is positioned at dust filtering device (2) top, and filtering trough (3) is positioned at dust filtering device (2) below, it is characterized in that: arrange in the side of workbench and drive by power set (23) the banded filter screen (24) rotated, in filter screen (24) below, filtering trough (3) is set, the inner water of cistern (5) pumps into flow pipe (7) by water circulating pump (6), spray on filter screen (24) from the top of upper roll shaft (21) again, in matrix, the air blast (11) of arrangement is placed on the wall at filter screen (24) rear, air cleaning unit (8) is set after wall, the paint produced when spraying paint, dust, be drawn onto on moist filter screen (24) by air blast (11), cleaned in filtering trough (3) again, air after filter screen (24) filters is blown to air cleaning unit (8) again and purifies further.

2. the air cleaner of paint locker according to claim 1 and carpentry yard, it is characterized in that: described filter screen (24) joins end to end and forms annular, one end is enclosed within roll shaft (21), the other end is enclosed within lower roller shaft (22), and the bottom of lower roller shaft (22) is immersed in the water in filtering trough (3); Power set (23) drive lower roller shaft (22) to rotate, and when lower roller shaft (22) rotates, band electric filter (24) and upper roll shaft (21) rotate; In the below of lower roller shaft (22), dust scavenge unit (25) is set.

3. the air cleaner of paint locker according to claim 2 and carpentry yard, is characterized in that: described dust scavenge unit (25) side is upwards provided with hairbrush.

4. the air cleaner of paint locker according to claim 1 and carpentry yard, it is characterized in that: be provided with wind scooper (12) in the front of each air blast (11), two adjacent wind scoopers (12) are in the side seamless link of air inlet.

5. the air cleaner of paint locker according to claim 2 and carpentry yard, is characterized in that: be mounted with air purifier (81) in described air cleaning unit (8), wall is provided with exhaust outlet (82).

6. the air cleaner of paint locker according to claim 5 and carpentry yard, it is characterized in that: during work, air intake and exhaust system (1) inhales dynamic air flow filter screen, dust in air and oil smoke are adhered to by the filter screen of humidity, filter screen moves down and enters filtering trough (3) under the drive of power set (23), stick to dust on filter screen and oil smoke is washed into the medium and small part air of water under the suction of air intake and exhaust system (1) is dynamic by dust scavenge unit (25), interior side screen is blowed to through aperture intensive in outer screen, moist filter screen adsorbs to fall some again the dust contained in air and oil smoke, remaining dust and oil smoke in air, blow into air cleaning unit (8) after being sucked by air blast (11), discharged from exhaust outlet (82) by after air purifier (81) purification.