A kind of dust filter unit
Technical field
The present invention relates to a kind of be used to the deal with the work dust in workshop and the dust filter unit that purifies air, belong to work workshop dust treatment technology.
Background technology
With the paint locker is example, existing paint locker, and what use in a large number all is the cascade machine.The design of cascade machine normally is provided with plate washer one at the middle part of rack, and water flows through from barrier surface and forms one cascade, and a filtering trough is set below plate washer; Between filtering trough and plate washer, be provided with the gap, so that air flows to air blast from the gap between plate washer and the filtering trough, the benefit of this design is that parts are installed concentratedly; Convenient moving used, and deficiency is that air can only flow through through the gap between plate washer and the filtering trough, because air only can be selected the shortest route in path when flowing; So; On the top of cascade, the flowability of air is just poor, and dust removing effects is not very desirable.
Also have a kind of dedusting method, metallic grid is adopted on whole paint spray booth floor, and exhaust apparatus carries out suction and discharge from the space on grid and ground, and the advantage of this design is when dust drops, to quicken tenesmus, drains dust, to play the effect of purification.But this structure is not suitable for using in a lot of occasions.
Therefore, need to seek the better dust filter unit of a kind of dust removing effects.
Summary of the invention
The purpose of this invention is to provide the better dust filter unit of a kind of dust removing effects.
Technical scheme of the present invention is: a kind of dust filter unit; Form by air intake and exhaust system 1, dust filtering device 2, filtering trough 3, drainpipe 4, cistern 5, water circulating pump 6, flow pipe 7, air purifying room 8; Air intake and exhaust system 1 is installed in the rear of dust filtering device 2 by the mode of arranged by the air blast more than 1 11; Described dust filtering device 2 is placed in the top of filtering trough 3, comprises parallel last roll shaft 21, lower roller shaft 22 and power set 23, and described dust filtering device 2 also comprises the banded filter screen 24 that is driven rotation by power set 23; Described filter screen 24 joins end to end; Form annular, an end is enclosed within on the roll shaft 21, and the other end is enclosed within on the lower roller shaft 22.
The bottom of described lower roller shaft is immersed in the water in the filtering trough 3.
Dust scavenge unit 25 is set below lower roller shaft 22.
The side that described dust scavenge unit 25 makes progress is provided with hairbrush.
The place ahead at each air blast 11 all is provided with wind scooper 12, and two adjacent wind scoopers 12 are in a side seamless link of air inlet.
Described filtering trough 3 is communicated with cistern 5 through drainpipe 4, and the water that cistern is 5 li pumps into flow pipe 7 through water circulating pump 6, sprays on the filter screen 24 from the top of last roll shaft 21.
At the rear of air intake and exhaust system 1 air purifying room 8 is set.
Be mounted with air purifier 81 in the described air purifying room 8, on wall, be provided with exhaust outlet 82.
Beneficial effect:
1,, shortened the path that air flows, and enlarged the area of actual filtration through the use of filter screen.
2, through between air intake and exhaust system and dust source, dust filtering device being set, dust can be eliminated in time, to guarantee the health of working environment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A figure of Fig. 1.
Among the figure 1, air intake and exhaust system, 11, air blast, 12, wind scooper, 2, dust filtering device, 21, go up roll shaft; 22, lower roller shaft, 23 power set, 24, filter screen, 25, the dust scavenge unit; 3, filtering trough, 4, drainpipe, 5, cistern, 6, water circulating pump; 7, flow pipe, 8, air purifying room, 81 air purifiers, 82, exhaust outlet.
The specific embodiment
Like Fig. 1, shown in Figure 2; A kind of dust filter unit; Be made up of air intake and exhaust system 1, dust filtering device 2, filtering trough 3, drainpipe 4, cistern 5, water circulating pump 6, flow pipe 7, air purifying room 8, air intake and exhaust system 1 is installed in the rear of dust filtering device 2 by the air blast more than 1 11 by the mode of arranged, and described dust filtering device 2 is placed in the top of filtering trough 3; Comprise parallel last roll shaft 21, lower roller shaft 22 and power set 23; Described dust filtering device 2 also comprises the banded filter screen 24 that is driven rotation by power set 23, and described filter screen 24 joins end to end, and forms annular; One end is enclosed within on the roll shaft 21, and the other end is enclosed within on the lower roller shaft 22.
Described power set 23 comprise deceleration device and actuating unit.
The bottom of described lower roller shaft 22 is immersed in the water in the filtering trough 3.Making between lower roller shaft 22 and the filtering trough 3 does not have the space, and the air of avoiding containing a large amount of dust directly gets into air blast without filtering.
Dust scavenge unit 25 is set below lower roller shaft 22, is used for the dust on the filter screen in time is swept into water.
The side that described dust scavenge unit 25 makes progress is provided with hairbrush.The beginning of hairbrush is semicircle upwards, just with the form fit of lower roller shaft 22, when filter screen 24 rotates with lower roller shaft 22, process from the hairbrush just, passively by hairbrush being bonded at the dust cleaning on the filter screen 24 and falling into filtering trough 3.
The place ahead at each air blast 11 all is provided with wind scooper 12, and two adjacent wind scoopers 12 are in a side seamless link of air inlet.
Described air purifier 81 can adopt ozone generator, divides pernicious gases such as taking off airborne formic acid.
Described filtering trough 3 is communicated with cistern 5 through drainpipe 4, and the water that cistern is 5 li pumps into flow pipe 7 through water circulating pump 6, sprays on roll shaft 21 and the filter screen 24.Cistern 5 is used to precipitate dust, and supplies water for water circulating pump 6.Mix dust gets into the cisterns 5 through drainpipe 4 from filtering trough 3 in water, and through after a while, dust sinks to cistern 5 bottoms in the gravity effect, regularly discharges through the water channel that is located at the bottom of the pond again.
At the rear of air intake and exhaust system 1 air purifying room 8 is set.
Be mounted with air purifier 81 in the described air purifying room 8, on wall, be provided with exhaust outlet 82.
During work, power set 23 drive goes up roll shaft 21 and lower roller shaft 22 rotations, and then drive filter screen 24 rotates; Dust is attracted on the filter screen 24 by air intake and exhaust system 1, and most dust adheres on the moist filter screen 24, is driven by filter screen 24 to move down; When filter screen 24 process dust scavenge units 25, the hairbrush that upwards is provided with brushes the dust on the filter screen 24 in the water, passes through water logging once more through the filter screen 24 that cleaned; Under the effect of power set 23, move from a side direction near air intake and exhaust system 1, a small amount of dust that sees through the front filter screen further adheres on the filter screen 24; Filter screen continues to move up, turn over roll shaft 21 after, be moved down in the filtering trough 3 after adhering to a large amount of dusts again; Soaked by hairbrush removing dust and quilt once more, under the effect of power set 23, moved up again, so moved in circles; Constantly air flowing is purified, with airborne dust adhesion and take in the water, make the air that gets into air blast only contain a spot of dust and pernicious gas.
The air that air blast will contain low amounts of dust and pernicious gas blows into air purifying room 8, and airborne pernicious gas after air purifier 81 purifications, is discharged through exhaust outlet 82 again.
The present invention can be used on paint locker, but at the filter screen 24 of a side setting scroll-up/down of workbench, filtering trough 3 is set below filter screen 24; Wall mounting at filter screen 24 rears is the air blast 11 of arranged; Air purifying room 8 is set behind wall, and the paint, the dust that produce when spraying paint just can be drawn onto on the moist filter screen 24 by air blast 11 in time; Be cleaned in the filtering trough 3, the air after filter screen 24 filters is blown to air purifying room 8 again and is further purified again.In like manner, the present invention also can be used for carpentry yard, in time the dust that produces is disposed, not only can guarantee the health of carpentry yard, also helps to keep health of operators.
In like manner, the present invention also can be used for other big workshops of dust.
If airborne dust content is required higher, air intake and exhaust system 1 can also be set through the place ahead at dust filtering device 2 one again, or a plurality of parallel dust filtering devices 2 are set reach target.
The foregoing description only is to be used for interpretation purposes of the present invention, and is not to be limitation of the present invention, and those skilled in the art in essential scope of the present invention, make various variations or alternative, also should belong to protection category of the present invention.