Environment-friendly filter box

Abstract

The utility model belongs to the technical field of air purification, and particularly relates to an environment-friendly filter box which comprises a material melting kettle, a first filter box and a second filter box, the material melting kettle is communicated with the first filter box through a first air pipe, a first fan is arranged on the first air pipe, a filter screen is arranged in the first filter box, and a cleaning mechanism is arranged at the bottom of the filter screen. The cleaning mechanism is used for cleaning dust at the bottom of the filter screen, the first filter box is communicated with the second filter box through a second air pipe, a second fan is arranged on the second air pipe, a spraying pipeline is arranged in the second filter box, a plurality of spraying heads are arranged at the bottom of the spraying pipeline, and a third air pipe is connected to the top of the second filter box. And a third fan is arranged on the third air pipe. According to the device, oil smoke and large-particle dust in harmful gas are filtered out through the first filter box, the oil smoke and small-particle dust are further filtered out through the second filter box, the air purification effect is improved, and the surrounding environment is protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification, and specifically relates to an environmentally friendly filtering box. Background Art

[0002] At present, some coatings produce harmful fumes, dust, etc. during processing. If they are directly discharged, they will cause damage to the surrounding environment and the health of workers. Therefore, an environmentally friendly filter box is urgently needed to purify these harmful substances. Utility Model Content

[0003] In view of the above-mentioned defects existing in the prior art, the utility model provides an environmentally friendly filter box, comprising a chemical material kettle, a first filter box and a second filter box, the top of the chemical material kettle is connected to the first filter box through a first air duct, and the first air duct is provided with a first fan; a filter screen is provided inside the first filter box, and a connecting port between the first air duct and the first filter box is located below the filter screen, a card slot for fixing the filter screen is provided inside the first filter box, the filter screen is detachably installed in the card slot, a cleaning mechanism is provided at the bottom of the filter screen, the cleaning mechanism is used to clean the bottom of the filter screen, and a second filter is provided at the bottom end of the first filter box. A sewage outlet, the top of the first filter box is connected with the second filter box through the second air duct, and the connecting port between the second air duct and the first filter box is located above the filter net, and the second air duct is provided with a second fan; a spray pipe is provided inside the second filter box, and the connecting port between the second air duct and the second filter box is located below the spray pipe, a plurality of spray heads are provided at the bottom of the spray pipe, the spray pipe is connected to an external water source through a water supply pipe, and a water supply pump is provided on the water supply pipe, the top of the second filter box is connected with a third air duct, and the third air duct is provided with a third fan, and the bottom end of the second filter box is provided with a second sewage outlet.

[0004] Optionally, the cleaning mechanism includes a forward and reverse motor, a screw, a guide rod, two slides and two guide rails. The forward and reverse motor is arranged on the left side of the outside of the first filter box, the screw and the guide rod are respectively arranged at the front and rear ends of the inside of the first filter box, and the left end of the screw passes through the first filter box and is connected to the output shaft of the forward and reverse motor. The screw and the guide rod pass through the two slides respectively, and one of the slides is slidably connected to the screw through the nut pair of the screw. A cleaning rod is fixedly connected between the two slides, and a brush is arranged on the cleaning rod, and the top of the brush is against the bottom of the filter net. The two guide rails are respectively fixed on the front and rear side walls of the inside of the first filter box, and the slide is slidably connected in the guide rails on the corresponding side.

[0005] Optionally, the bottom of the first filter box is set to be an inclined surface, and the first sewage outlet is located at the lower end of the inclined surface.

[0006] Specifically, it facilitates sewage discharge.

[0007] Optionally, both the first sewage outlet and the second sewage outlet are provided with sewage valves.

[0008] Optionally, box doors are provided at the front ends of the first filter box and the second filter box.

[0009] Specifically, the box door facilitates replacement of the filter and maintenance of the equipment in the box.

[0010] Optionally, the second filter box is further provided with a return pipe, one end of which is connected to the bottom of the second filter box, the other end of which is connected to the spray pipe, and a return pump and a return valve are provided on the return pipe.

[0011] Specifically, the return pipe facilitates the recycling of the spray water in the second filter box to save water resources.

[0012] The utility model also includes other components that enable an environmentally friendly filter box to be used normally, which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the field, such as the first fan, the second fan, the third fan, the water supply pump, the reflux pump and the forward and reverse motor.

[0013] The working principle of the utility model is that the paint is contained in the chemical kettle, and harmful oil smoke and dust are generated during the heating and stirring of the paint. The first fan, the second fan and the third fan and the water supply pump are started in sequence, and the harmful gas in the chemical kettle is first drawn into the first filter box, and the filter net can filter out the harmful oil smoke and large particles of dust. Then the harmful gas enters the second filter box, and under the effect of spraying and dust reduction, the oil smoke and small particles of dust are further removed. Finally, the purified air is discharged from the third air duct; after being used for a period of time , more impurities and dirt will accumulate at the bottom of the filter, which can be cleaned using a cleaning mechanism. The operating steps are as follows: start the forward and reverse motors, and the output shaft of the forward and reverse motors rotates forward first, driving the screw to rotate, causing the slide on the screw to move from left to right, thereby driving the cleaning rod to move from left to right and clean the bottom of the filter. Then, control the output shaft of the forward and reverse motors to reverse, causing the cleaning rod to move from right to left and clean the bottom of the filter again. Repeat this operation to clean up the dust and impurities accumulated at the bottom of the filter.

[0014] The beneficial effect of the utility model is that the oil smoke and large dust particles in the harmful gas can be filtered out through the first filter box, and the oil smoke and small dust particles can be further removed through the second filter box, thereby improving the air purification effect and protecting the surrounding environment; the bottom of the filter net can be cleaned through the cleaning mechanism to improve the filtering efficiency of the filter net; the reflux pipe, reflux pump and reflux valve can be used to improve the recycling rate of water and save water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of the first filter box of the utility model from one perspective.

[0018] Figure 3 This is a schematic diagram of the internal structure of the first filter box of the utility model from another perspective.

[0019] In the figure: 1. chemical kettle, 2. first filter box, 3. second filter box, 4. first air duct, 5. first fan, 6. filter screen, 7. slot, 8. cleaning mechanism, 9. first sewage outlet, 10. second air duct, 11. second fan, 12. spray pipe, 13. spray head, 14. water supply pipe, 15. water supply pump, 16. third air duct, 17. third fan, 18. second sewage outlet, 19. forward and reverse motor, 20. screw, 21. guide rod, 22. slide seat, 23. guide slide rail, 24. cleaning rod, 25. reflux pipe, 26. reflux pump, 27. reflux valve. DETAILED DESCRIPTION

[0020] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0021] Example

[0022] like Figure 1-3As shown, the embodiment of the utility model provides an environmentally friendly filter box, including a chemical kettle 1, a first filter box 2 and a second filter box 3. The top of the chemical kettle 1 is connected to the first filter box 2 through a first air duct 4, and the first air duct 4 is provided with a first fan 5; a filter screen 6 is provided inside the first filter box 2, and the connecting port between the first air duct 4 and the first filter box 2 is located below the filter screen 6, a card slot 7 for fixing the filter screen 6 is provided inside the first filter box 2, and the filter screen 6 can be detachably installed in the card slot 7, and a cleaning mechanism 8 is provided at the bottom of the filter screen 6, and the cleaning mechanism 8 is used to clean the bottom of the filter screen 6, and a first sewage outlet 9 is provided at the bottom end of the first filter box 2, and the top of the first filter box 2 The first filter box 2 is connected to the second filter box 3 through a second air duct 10, and the connecting port between the second air duct 10 and the first filter box 2 is located above the filter screen 6, and the second air duct 10 is provided with a second fan 11; a spray pipe 12 is provided inside the second filter box 3, and the connecting port between the second air duct 10 and the second filter box 3 is located below the spray pipe 12, and a plurality of spray heads 13 are provided at the bottom of the spray pipe 12, the spray pipe 12 is connected to an external water source through a water supply pipe 14, and a water supply pump 15 is provided on the water supply pipe 14, a third air duct 16 is connected to the top of the second filter box 3, and a third fan 17 is provided on the third air duct 16, and a second sewage outlet 18 is provided at the bottom of the second filter box 3.

[0023] Among them, the cleaning mechanism 8 includes a forward and reverse motor 19, a screw 20, a guide rod 21, two slides 22 and two guide rails 23. The forward and reverse motor 19 is arranged on the left side of the outside of the first filter box 2, and the screw 20 and the guide rod 21 are respectively arranged at the front and rear ends inside the first filter box 2, and the left end of the screw 20 passes through the first filter box 2 and is connected to the output shaft of the forward and reverse motor 19. The screw 20 and the guide rod 21 respectively pass through the two slides 22, and one of the slides 22 is slidably connected to the screw 20 through the nut pair of the screw 20. A cleaning rod 24 is fixedly connected between the two slides 22, and a brush is arranged on the cleaning rod 24, and the top of the brush is against the bottom of the filter screen 6. The two guide rails 23 are respectively fixed on the front and rear side walls inside the first filter box 2, and the slide 22 is slidably connected in the guide rails 23 on the corresponding side.

[0024] In addition, the bottom of the first filter box 2 is set as an inclined surface, and the first sewage outlet 9 is located at the lower end of the inclined surface to facilitate sewage discharge. The first sewage outlet 9 and the second sewage outlet 18 are both provided with sewage valves. The front ends of the first filter box 2 and the second filter box 3 are both provided with box doors, which are convenient for replacing the filter screen 6 and inspecting the equipment in the box. The second filter box 3 is also provided with a return pipe 25, one end of the return pipe 25 is connected to the bottom of the second filter box 3, and the other end of the return pipe 25 is connected to the spray pipe 12, and a return pump 26 and a return valve 27 are provided on the return pipe 25. The return pipe 25 facilitates the recycling of the spray water in the second filter box 3 to save water resources.

[0025] The working principle of the utility model is that the paint is contained in the chemical kettle 1, and harmful oil smoke and dust are generated during the heating and stirring of the paint. The first fan 5, the second fan 11 and the third fan 17 and the water supply pump 15 are started in sequence, and the harmful gas in the chemical kettle 1 is first drawn into the first filter box 2, and the filter screen 6 can filter out the harmful oil smoke and large particles of dust. Then the harmful gas enters the second filter box 3, and under the effect of spraying dust reduction, the oil smoke and small particles of dust are further removed. Finally, the purified air is discharged from the third air duct 16; after a period of use, the filter screen 6 is used to filter out the harmful gas. A lot of impurities and dirt will accumulate at the bottom of the net 6, which can be cleaned by using the cleaning mechanism 8. The operating steps are as follows: start the forward and reverse motor 19, the output shaft of the forward and reverse motor 19 rotates forward first, driving the screw 20 to rotate, so that the slide 22 on the screw 20 moves from left to right, and then drives the cleaning rod 24 to move from left to right and clean the bottom of the filter net 6. Then control the output shaft of the forward and reverse motor 19 to reverse, so that the cleaning rod 24 moves from right to left and cleans the bottom of the filter net 6 again. Repeat this operation to clean up the dust and impurities accumulated at the bottom of the filter net 6.

[0026] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. An environmental protection filter box, comprising a chemical reactor, a first filter box and a second filter box, characterized in that: The top of the chemical kettle is connected with the first filter box through the first air duct, and the first air duct is provided with a first fan; a filter is provided inside the first filter box, and the connecting port between the first air duct and the first filter box is located below the filter, and a cleaning mechanism is provided at the bottom of the filter, and the cleaning mechanism is used to clean the bottom of the filter, and a first sewage outlet is provided at the bottom end of the first filter box, the top of the first filter box is connected with the second filter box through the second air duct, and the connecting port between the second air duct and the first filter box is located above the filter, and a second fan is provided on the second air duct; a spray pipe is provided inside the second filter box, and the connecting port between the second air duct and the second filter box is located below the spray pipe, and a plurality of spray heads are provided at the bottom of the spray pipe, and the spray pipe is connected to an external water source through a water supply pipe, and a water supply pump is provided on the water supply pipe, a third air duct is connected to the top of the second filter box, and a third fan is provided on the third air duct, and a second sewage outlet is provided at the bottom end of the second filter box.

2. The environmental protection filter box according to claim 1, characterized in that: The cleaning mechanism includes a forward and reverse motor, a screw, a guide rod, two slides and two guide rails. The forward and reverse motor is arranged on the left side outside the first filter box, the screw and the guide rod are respectively arranged at the front and rear ends inside the first filter box, and the left end of the screw passes through the first filter box and is connected to the output shaft of the forward and reverse motor. The screw and the guide rod pass through the two slides respectively, and one of the slides is slidably connected to the screw through the nut pair of the screw. A cleaning rod is fixedly connected between the two slides, and a brush is arranged on the cleaning rod. The two guide rails are respectively fixed on the front and rear side walls inside the first filter box, and the slide is slidably connected in the guide rails on the corresponding side.

3. The environmental protection filter box according to claim 1, characterized in that: The bottom of the first filter box is set as an inclined surface, and the first sewage outlet is located at the lower end of the inclined surface.

4. The environmental protection filter box according to claim 1, characterized in that: Both the first sewage outlet and the second sewage outlet are provided with sewage valves.

5. The environmentally friendly filter box according to claim 1, characterized in that: The front ends of the first filter box and the second filter box are both provided with box doors.

6. The environmentally friendly filter box according to claim 1, characterized in that: The second filter box is also provided with a return pipe, one end of which is connected to the bottom of the second filter box, the other end of which is connected to the spray pipe, and a return pump and a return valve are provided on the return pipe.

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