阅读说明：本技术 一种废气环保除尘机械装置 (Waste gas environmental protection dust removal mechanical device ) 是由 陈德林 陈静 陈金鑫 陈凯璐 于 2021-07-08 设计创作，主要内容包括：本发明公开一种废气环保除尘机械装置,包括第一除尘箱；第一除尘箱输出端连通有第二除尘箱和净化箱,第二除尘箱输出端与净化箱和分离器连通,分离器输出端与净化箱连通,分离器输出端和净化箱输出端连通有除湿器,除湿器输出端连通有活性炭吸附箱。本发明能够实现对溶于水的粉尘进行初步过滤,降低废水中粉尘的含量,降低后期废水处理时的能耗,通过两次对废气进行喷水操作,降低废气中粉尘含量,随后通过分离器对废气进行分离,将含有粉尘较多的废气通入净化箱内,降低了废气处理时的能耗,达到了节能环保的技术效果。(The invention discloses an environment-friendly waste gas dedusting mechanical device, which comprises a first dedusting box; first dust removal case output intercommunication has second dust removal case and purifying box, and second dust removal case output and purifying box and separator intercommunication, separator output and purifying box output intercommunication have the dehumidifier, and the dehumidifier output intercommunication has the active carbon adsorption tank. The invention can realize the primary filtration of dust dissolved in water, reduce the content of the dust in the wastewater and reduce the energy consumption in the later wastewater treatment, reduces the content of the dust in the exhaust gas by carrying out water spraying operation on the exhaust gas twice, then separates the exhaust gas by the separator, and introduces the exhaust gas containing more dust into the purification box, thereby reducing the energy consumption in the exhaust gas treatment and achieving the technical effects of energy conservation and environmental protection.)

1. The waste gas environment-friendly dust removal mechanical device is characterized by comprising a first dust removal box (1), wherein the output end of the first dust removal box (1) is communicated with a second dust removal box (2) and a purification box (3), the output end of the second dust removal box (2) is communicated with the purification box (3) and a separator (4), the output end of the separator (4) is communicated with the purification box (3), the output end of the separator (4) is communicated with the output end of the purification box (3) to form a dehumidifier (5), and the output end of the dehumidifier (5) is communicated with an active carbon adsorption box (6);

a waste gas inlet pipe (7), a first water spray plate (8), a filtering part and a first air pipe (9) are sequentially arranged in the first dust removal box (1) from top to bottom, a dust outlet (10) is formed in the side wall of the first dust removal box (1), and the dust outlet (10) is arranged corresponding to the filtering part; the first dust removal box (1) is communicated with the second dust removal box (2) through the first air pipe (9), a second water spray plate (11) is arranged in the second dust removal box (2), and the first air pipe (9) is located above the second dust removal box (2);

the filter part comprises a filter screen and a cleaning piece, the cleaning piece is located above the filter screen, the filter screen is in sliding contact with the first dust removal box (1) through a vibration piece, and the cleaning piece is rotatably connected with the first dust removal box (1).

2. The waste gas environmental protection dust removal mechanical device of claim 1, characterized in that: first dust removal case (1) inner wall is seted up flutedly (12), the piece that shakes includes compression spring (13), springboard (14), ejector pin (15) that set gradually by supreme down in recess (12), compression spring (13) both ends respectively with springboard (14) with first dust removal case (1) rigid coupling, ejector pin (15) top with first dust removal case (1) rigid coupling, the rigid coupling has connecting rod (16) on springboard (14), connecting rod (16) with the filter screen rigid coupling.

3. The waste gas environmental protection dust removal mechanical device of claim 1, characterized in that: the clearance piece include with first dust removal case (1) rotates swivel (17) of connecting, be provided with clearance board (18) in first dust removal case (1), clearance board (18) top with swivel (17) bottom rigid coupling, swivel (17) are kept away from one side rigid coupling of clearance board (18) has rack (19), first dust removal case (1) outer wall rigid coupling has driving motor (20), driving motor (20) output rigid coupling has output gear (21), output gear (21) with rack (19) meshing.

4. The waste gas environmental protection dust removal mechanical device according to claim 3, characterized in that: the filter screen includes L type filter screen (22) and arc filter screen (23), L type filter screen (22) lower end with first dust removal case (1) sliding contact, L type filter screen (22) higher end with arc filter screen (23) bottom rigid coupling, L type filter screen (22) with go out dirt mouth (10) and correspond the setting, connecting rod (16) with L type filter screen (22) rigid coupling, clearance board (18) are located L type filter screen (22) top.

5. The waste gas environmental protection dust removal mechanical device according to claim 4, characterized in that: first water spray plate (8) with second water spray plate (11) structure is the same, first water spray plate (8) water spray orientation arc filter screen (23), second water spray plate (11) water spray direction orientation first air pipe (9), first water spray plate (8) with second water spray plate (11) intercommunication has feed water tank (24), feed water tank (24) are located first dust removal case (1) top.

6. The waste gas environmental protection dust removal mechanical device according to claim 4, characterized in that: the rigid coupling has catchment funnel (25) in first dust removal case (1), catchment funnel (25) are located first water spray plate (8) with between arc filter screen (23), the play water end of catchment funnel (25) with the highest point of arc filter screen (23) corresponds the setting.

7. The waste gas environmental protection dust removal mechanical device of claim 1, characterized in that: separator (4) are round platform type structure, separator (4) are by supreme second air pipe (26), third air pipe (27), fourth air pipe (28) of having set gradually down, second air pipe (26) with purifying box (3) intercommunication, second air pipe (26) with second dust removal case (2) intercommunication, just third air pipe (27) are followed separator (4) tangential direction sets up, fourth air pipe (28) with dehumidifier (5) intercommunication.

8. The waste gas environmental protection dust removal mechanical device of claim 1, characterized in that: first dust removal case (1) bottom intercommunication has first liquid pipe (29), second dust removal case (2) intercommunication has second liquid pipe (30) and fifth air pipe (31), first liquid pipe (29) with second liquid pipe (30) all with purifying box (3) intercommunication, fifth air pipe (31) with dehumidifier (5) intercommunication.

9. The waste gas environmental protection dust removal mechanical device according to claim 5, characterized in that: the bottom of the purification box (3) is communicated with a water inlet end of a water outlet pipe (32), the water outlet pipe (32) is wound with a heat exchange piece, and a water outlet end of the water outlet pipe (32) is communicated with the water supply box (24).

Technical Field

The invention relates to the technical field of environment-friendly equipment, in particular to an environment-friendly waste gas dedusting mechanical device.

Background

Industrial waste gas is a generic term for various pollutant-containing gases discharged into the air during the combustion and production processes of fuels in the factory area of an enterprise. These exhaust gases are: carbon dioxide, carbon disulfide, hydrogen sulfide, fluorides, nitrogen oxides, chlorine, hydrogen chloride, carbon monoxide, lead mercury (mist) sulfate, beryllium compounds, smoke dust and productive dust, which are discharged into the atmosphere and pollute the air. The substances enter human bodies through different paths of respiratory tracts, some substances directly cause harm, and some substances have an accumulation effect and can seriously harm the health of people. Different substances may have different effects. Therefore, the gas discharged by industry needs to be treated by an environment-friendly dust removal device.

In the prior art, most of dust removing equipment adopts a water spraying mode, so that water is in contact with dust in waste gas, and the dust is finally separated from the waste gas, however, waste water with dissolved dust is finally obtained through the water spraying mode, the obtained waste water cannot be discharged at will and needs to be treated through processes such as filtering and the like, and because the dust dissolved in water is more, the energy consumption is larger in the treatment process, and the waste gas after water spraying still contains less dust, water is required to be sprayed for many times to reach the discharge standard, so that the dust removing water consumption is large, and the environment protection and energy saving are not facilitated.

Disclosure of Invention

The invention aims to provide an environment-friendly waste gas dedusting mechanical device, which solves the problems in the prior art, can primarily filter dust dissolved in water, reduce the content of the dust in waste water and the energy consumption in later-stage waste water treatment, reduces the content of the dust in the waste gas by performing water spraying operation on the waste gas twice, separates the waste gas through a separator, and introduces the waste gas containing more dust into a purification box, so that residual dust in the waste gas is removed, the content of the dust in the waste gas is reduced, the waste gas reaches the emission standard, on the other hand, the waste gas can provide tiny bubbles to be attached to the surface of the dust, the dust floats on the surface of the waste water, the separation of the dust and the waste water is facilitated, the energy consumption in waste gas treatment is reduced in the two aspects, and the technical effects of energy conservation and environment protection are achieved.

In order to achieve the purpose, the invention provides the following scheme: the invention provides an environment-friendly waste gas dedusting mechanical device which comprises a first dedusting box, wherein the output end of the first dedusting box is communicated with a second dedusting box and a purifying box, the output end of the second dedusting box is communicated with the purifying box and a separator, the output end of the separator is communicated with the purifying box, the output ends of the separator and the purifying box are communicated with a dehumidifier, and the output end of the dehumidifier is communicated with an active carbon adsorption box;

the first dust removal box is internally and sequentially provided with a waste gas inlet pipe, a first water spray plate, a filtering part and a first air pipe from top to bottom, the side wall of the first dust removal box is provided with a dust outlet, and the dust outlet is arranged corresponding to the filtering part; the first dust removal box is communicated with the second dust removal box through the first air pipe, a second water spray plate is arranged in the second dust removal box, and the first air pipe is positioned above the second dust removal box;

the filter part includes filter screen and clearance piece, the clearance piece is located the filter screen top, the filter screen through shake the piece with first dust removal case sliding contact, the clearance piece with first dust removal case rotates and is connected.

Preferably, a groove is formed in the inner wall of the first dust removal box, the vibration part comprises a compression spring, an elastic plate and an ejector rod which are sequentially arranged in the groove from bottom to top, two ends of the compression spring are respectively connected with the elastic plate and the first dust removal box fixedly connected, the top end of the ejector rod is fixedly connected with the first dust removal box, a connecting rod is fixedly connected to the elastic plate, and the connecting rod is fixedly connected with the filter screen.

Preferably, the clearance spare include with first dust removal case rotates the swivel of connecting, be provided with the clearance board in the first dust removal case, clearance board top with swivel bottom rigid coupling, the swivel is kept away from one side rigid coupling of clearance board has the rack, first dust removal case outer wall rigid coupling has driving motor, driving motor output rigid coupling has output gear, output gear with rack toothing.

Preferably, the filter screen includes L type filter screen and arc filter screen, the lower end of L type filter screen with first dust removal case sliding contact, the higher end of L type filter screen with arc filter screen bottom rigid coupling, L type filter screen with it corresponds the setting to go out the dirt mouth, the connecting rod with L type filter screen rigid coupling, the clearance board is located L type filter screen top.

Preferably, first water spray board with the second water spray board structure is the same, first water spray board water spray orientation the arc filter screen, second water spray board water spray direction orientation first air pipe, first water spray board with second water spray board intercommunication has the feed water tank, the feed water tank is located first dust removal case top.

Preferably, the rigid coupling has the funnel that catchments in the first dust removal incasement, the funnel that catchments is located first water spray plate with between the arc filter screen, the play water end of funnel that catchments with the top of arc filter screen corresponds the setting.

Preferably, the separator is round platform type structure, the separator is by supreme second air pipe, third air pipe, the fourth air pipe of having set gradually down, the second air pipe with the purifying box intercommunication, the second air pipe with second dust removal case intercommunication, just the third air pipe is followed separator tangential direction sets up, the fourth air pipe with the dehumidifier intercommunication.

Preferably, first dust removal bottom of the case portion intercommunication has first liquid pipe, second dust removal case intercommunication has second liquid pipe and fifth air pipe, first liquid pipe with the second liquid pipe all with the purifying box intercommunication, the fifth air pipe with the dehumidifier intercommunication.

Preferably, the bottom of the purification tank is communicated with a water inlet end of a water outlet pipe, the water outlet pipe is wound with a heat exchange piece, and a water outlet end of the water outlet pipe is communicated with the water supply tank.

The invention discloses the following technical effects:

1. through letting in first dust removal case and second dust removal case with waste gas, waste gas reduces through the dust content behind the twice water spray dust removal, and in the waste gas that will spray dust removal and finish afterwards lets in the separator, the air that carries the dust descends and lets in the purifying box, and in all the other air that dust content is low satisfied discharge condition gets into the dehumidifier, subsequent the discharge of being convenient for, its processing procedure is simple, and the treatment effect is good.

2. The waste gas that will contain a small amount of dust lets in the purifying box in, the purifying box is used for collecting the waste water that twice water spray dust removal produced, let in waste gas in the waste water, reduced the content of dust in the waste gas on the one hand, on the other hand waste gas can provide the microbubble and attach to the dust surface for the dust floats on the surface of waste water, thereby do benefit to the separation of dust and waste water, energy consumption when the exhaust-gas treatment has all been reduced in two aspects, energy-concerving and environment-protective technological effect has been reached.

3. Through setting up the filter house in first dust removal incasement, carry out the prefilter through the waste water of filter house to dissolving into the dust, with most dust separation, the follow-up processing to waste water of being convenient for, and the dust of collecting passes through the first dust removal case of clearance piece discharge, has reduced the energy consumption to waste water treatment, and the practicality is strong.

4. Through setting up the vibrations piece, the vibrations piece drives the filter screen and takes place the position change under the effect of first water spray board, and when first water spray board stopped spraying water, the vibrations piece returns to the normal position, and at this in-process, the filter screen shakes from top to bottom at first dust removal incasement for the dust separation on the filter screen, the difficult filter screen that blocks up of dust, in order to improve exhaust-gas treatment efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of an environment-friendly waste gas dust removal mechanical device;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view of a first dust removal bin;

FIG. 4 is a perspective view of the filter screen;

FIG. 5 is a schematic view showing a connection relationship between a plurality of first dust removing boxes;

wherein, 1-a first dust box, 2-a second dust box, 3-a purifying box, 4-a separator, 5-a dehumidifier, 6-an activated carbon adsorption box, 7-an exhaust gas inlet pipe, 8-a first water spray plate, 9-a first air pipe, 10-a dust outlet, 11-a second water spray plate, 12-a groove, 13-a compression spring, 14-an elastic plate, 15-a mandril, 16-a connecting rod, 17-a swivel, 18-a cleaning plate, 19-a rack, 20-a driving motor, 21-an output gear, 22-an L-shaped filter screen, 23-an arc filter screen, 24-a water supply box, 25-a water collecting funnel, 26-a second air pipe, 27-a third air pipe, 28-a fourth air pipe, 29-a first liquid pipe, 30-a second liquid pipe, 31-a fifth air pipe, 32-a water outlet pipe, 33-a driving pump, 34-a heat exchange box and 35-a heat exchange pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides an environment-friendly waste gas dedusting mechanical device, which comprises a first dedusting box 1, wherein the output end of the first dedusting box 1 is communicated with a second dedusting box 2 and a purifying box 3, the output end of the second dedusting box 2 is communicated with the purifying box 3 and a separator 4, the output end of the separator 4 is communicated with the purifying box 3, the output ends of the separator 4 and the purifying box 3 are communicated with a dehumidifier 5, and the output end of the dehumidifier 5 is communicated with an active carbon adsorption box 6; the first dust removal box 1 is internally provided with a waste gas inlet pipe 7, a first water spray plate 8, a filtering part and a first air pipe 9 from top to bottom in sequence, the side wall of the first dust removal box 1 is provided with a dust outlet 10, and the dust outlet 10 is arranged corresponding to the filtering part; the first dust removal box 1 is communicated with the second dust removal box 2 through a first air pipe 9, a second water spray plate 11 is arranged in the second dust removal box 2, and the first air pipe 9 is positioned above the second dust removal box 2; the filter house includes filter screen and clearance piece, and the clearance piece is located the filter screen top, and the filter screen passes through vibrations piece and 1 sliding contact of first dust removal case, and clearance piece rotates with first dust removal case 1 to be connected.

Waste gas is introduced into a first dust removal box 1 through a waste gas inlet pipe 7, a first water spray plate 8 works, the first water spray plate 8 sprays water to remove dust in the waste gas, waste water with the dust is filtered through a filtering part, the filtered dust is discharged from a dust outlet 10 through a cleaning part, after the filtering is finished, the waste water with the dust falls to the bottom of the first dust removal box 1, the waste gas enters a second dust removal box 2 through a first air pipe 9, the waste gas is dedusted again through a second water spray plate 11, the obtained waste water falls to the bottom of the second dust removal box 2, the waste gas enters a separator 4, one part of the waste gas with larger dust content falls through the separation of the separator 4 and enters a purification box 3, the other part of the waste gas with smaller dust content rises and enters a dehumidifier 5, at the moment, the waste water in the first dust removal box 1 and the second dust removal box 2 enters the purification box 3, the waste gas with larger dust content enters the waste water in the purification box 3, and after the waste water removes dust in the waste gas again, the obtained waste gas enters a dehumidifier 5 for dehumidification, and then enters an activated carbon adsorption tank 6 for removing peculiar smell so as to reach the emission standard.

In purifying box 3, the tiny bubble that waste gas produced adheres to the dust surface, and the dust of being convenient for floats, simultaneously, can add the flocculating agent in the waste water in purifying box 3, and the flocculating agent is concentrated the dust, and the bubble that waste gas produced can be attached to on the flocculation thing, when the flocculation thing floats on waste water for flocculation thing and waste water separation, the waste water that finishes of handling can participate in the water spray circulation again, in order to reduce the water consumption.

Further optimize the scheme, first dust removal case 1 inner wall is seted up flutedly 12, shakes the piece and includes compression spring 13, springboard 14, the ejector pin 15 that sets gradually from bottom to top in recess 12, and compression spring 13 both ends respectively with springboard 14 and first dust removal case 1 rigid coupling, ejector pin 15 top and first dust removal case 1 rigid coupling, the last rigid coupling of springboard 14 has connecting rod 16, connecting rod 16 and filter screen rigid coupling. When 8 water spray of first water spray plate go dirt, under the pressure of first water spray plate 8, make the filter screen remove downwards, compression spring 13 compresses, drive diving board 14 and move down, when the dust that the filter screen was collected need discharge first dust removal case 1 in, first water spray plate 8 stops to spray water, the filter screen no longer receives pressure, consequently, compression spring 13 return and a section distance of upward movement, when 14 tops of diving board contact ejector pin 15, ejector pin 15 restriction diving board 14 moves, consequently, diving board 14 does reciprocating motion many times, diving board 14 drives the filter screen through connecting rod 16 and reciprocates many times, make the filter screen produce vibrations effect, will block up the dust separation in the filter screen mesh, the discharge of the dust of being convenient for, and then the work efficiency of exhaust treatment device has been improved.

Further optimize the scheme, the clearance piece includes the swivel 17 of being connected with first dust removal case 1 rotation, is provided with clearance board 18 in the first dust removal case 1, clearance board 18 top and swivel 17 bottom rigid coupling, and one side rigid coupling that clearance board 18 was kept away from to swivel 17 has rack 19, and 1 outer wall rigid coupling of first dust removal case has driving motor 20, and driving motor 20 output rigid coupling has output gear 21, and output gear 21 and rack 19 mesh. Swivel 17 passes through the bearing (not shown in the figure) and is connected with first dust removal case 1 rotation, through outside driving motor 20 for swivel 17 rotates, and through swivel 17's rotation, makes clearance board 18 can be at first dust removal case 1 internal rotation, thereby clears up the dust on the filter screen, and the length setting of clearance board 18 does not influence the vibrations of filter screen as far as possible. In the waste gas treatment process, the dust outlet 10 is in a closed state, the cleaning piece is in a stop state, only when dust needs to be discharged, the dust outlet 10 is opened, and the cleaning piece is started to remove dust in the first dust removal box 1. As shown in fig. 5, a plurality of first dust removing boxes 1 can be arranged, and a plurality of first dust removing boxes 1 are communicated with the second dust removing boxes 2 and the purifying boxes 3, so that when some cleaning pieces in the first dust removing boxes 1 work, waste gas can be introduced into other first dust removing boxes 1, and the waste gas treatment process can be continuously carried out.

Further optimize the scheme, the filter screen includes L type filter screen 22 and arc filter screen 23, L type filter screen 22 lower end and first dust removal case 1 sliding contact, the higher end of L type filter screen 22 and the building in of arc filter screen 23 bottom, L type filter screen 22 corresponds the setting with dust outlet 10, connecting rod 16 and L type filter screen 22 building in, clearance board 18 is located L type filter screen 22 top. Thoughtlessly divide the waste water of dust to drop to arc filter screen 23, and flow on arc filter screen 23, waste water flows to first dust removal case 1 bottom through arc filter screen 23, and the dust that obtains of filtration falls to on L type filter screen 22's the upper surface, the dust that obtains of filtration is piled up at L type filter screen 22's upper surface, and L type filter screen 22 filters the water that wherein contains, treat that the dust piles up to certain degree after, open driving motor 20, cleaning plate 18 rotates, promote accumulational dust by the first dust removal case 1 of dust outlet 10 discharge.

Further optimize the scheme, first water spray plate 8 and second water spray plate 11 structure are the same, and first water spray plate 8 sprays water towards arc filter screen 23, and second water spray plate 11 water spray direction is towards first air pipe 9, and first water spray plate 8 and second water spray plate 11 intercommunication have feed water tank 24, and feed water tank 24 is located first dust removal case 1 top. The first water spraying plate 8 faces the same direction as the flow direction of the waste gas, because the initial waste gas contains more dust, in order to avoid the dust from blocking the first water spraying plate 8, the first water spraying plate 8 is arranged in the same direction as the flow direction of the waste gas, in addition, high-pressure water sprayed by the first water spraying plate 8 can provide pressure for the arc-shaped filter screen 23, the water spraying direction of the second water spraying plate 11 is opposite to the flow direction of the waste gas, after the dust is removed for the first time, the dust content in the waste gas is reduced, therefore, the second water spraying plate 11 is arranged opposite to the flow direction of the waste gas, the dust in the waste gas is not easy to block the second water spraying plate 11, in addition, the second water spraying plate 11 can also better remove the dust in the waste gas for the second time, the dust removing effect is improved, the waste gas does not need to carry out water spraying operation for many times, water is saved, and energy is saved and environment-friendly.

According to a further optimized scheme, a water collecting funnel 25 is fixedly connected in the first dust removing box 1, the water collecting funnel 25 is located between the first water spraying plate 8 and the arc-shaped filter screen 23, and the water outlet end of the water collecting funnel 25 is arranged corresponding to the highest end of the arc-shaped filter screen 23. The funnel 25 that catchments is used for collecting the waste water that first water spray plate 8 produced, the waste water that produces by first water spray plate 8 is collected through funnel 25 that catchments, spout to arc filter screen 23 highest end, a large amount of waste water is spout by the less output of funnel 25 that catchments on the one hand, the decline of the arc filter screen 23 of being convenient for, on the other hand, waste water can flow to L type filter screen 22 in the highest end of arc filter screen 23, waste water flow time on arc filter screen 23 is longer, do benefit to the filtering separation of waste water.

Further optimize the scheme, separator 4 is round platform type structure, and separator 4 has set gradually second air pipe 26, third air pipe 27, fourth air pipe 28 by supreme down, and second air pipe 26 and purifying box 3 intercommunication, second air pipe 26 and the 2 intercommunications of second dust removal case, and third air pipe 27 sets up along 4 tangential direction of separator, and fourth air pipe 28 and dehumidifier 5 intercommunication. Waste gas after the secondary water spray filtration passes through third air pipe 27 and gets into in separator 4 along 4 tangential direction of separator, waste gas is at 4 internal rotations of separator, the dust in the waste gas filters the separation once more through separator 4, at this moment, the great decline of quality of dust gets into in purifying box 3 through second air pipe 26, the quality of all the other waste gases is less ascending, rise to in dehumidifier 5 through fourth air pipe 28, waste gas that contains the dust gets into dehumidification in getting into dehumidifier 5 through fourth air pipe 28 after the waste water filtration in purifying box 3, and then accomplish the filtering operation of dust.

According to a further optimized scheme, the bottom of the first dust removal box 1 is communicated with a first liquid pipe 29, the second dust removal box 2 is communicated with a second liquid pipe 30 and a fifth air pipe 31, the first liquid pipe 29 and the second liquid pipe 30 are both communicated with the purification box 3, and the fifth air pipe 31 is communicated with the dehumidifier 5. The first liquid pipe 29 and the second liquid pipe 30 function to transfer the waste water, and it is required to be clear that a driving pump 33 is provided on each of the air pipe and the liquid pipe to power the flow of the waste water and the waste gas. Further, a control valve and a controller are provided to control the drive pump 33.

In a further optimized scheme, the bottom of the purification box 3 is communicated with a water inlet end of a water outlet pipe 32, a heat exchange piece is wound on the water outlet pipe 32, and a water outlet end of the water outlet pipe 32 is communicated with the water supply tank 24. The filtered waste water is discharged through outlet pipe 32 and into the water supply tank 24.

The heat exchange member includes a heat exchange tank 34 and a heat exchange pipe 35, and the heat exchange pipe 35 is wound around the water outlet pipe 32. Because contain a large amount of heats in the water after filtering, consequently can establish and replace the heat piece and carry out the heat transfer to water, the heat transfer piece can select air heat transfer or liquid heat transfer according to in-service use to utilize a large amount of heats in the water, cool down the water that flows in the feed water tank 24 simultaneously, so that the continuous utilization of water.

The working principle is as follows:

waste gas is introduced into a first dust removal box 1 through a waste gas inlet pipe 7, a first water spray plate 8 works, the first water spray plate 8 sprays water to remove dust in the waste gas, waste water with dust falls onto an arc-shaped filter screen 23, the arc-shaped filter screen 23 moves downwards, the waste water falls to the bottom of the first dust removal box 1, the filtered dust enters an L-shaped filter screen 22, the waste gas enters a second dust removal box 2 through a first air pipe 9, dust is removed again through a second water spray plate 11, the obtained waste water falls to the bottom of the second dust removal box 2, the waste gas enters a separator 4, a part of the waste gas with larger dust content descends through the separation of the separator 4 and enters a purification box 3, the other part of the waste gas with smaller dust content ascends and enters a dehumidifier, at the moment, the waste water in the first dust removal box 1 and the waste water in the second dust removal box 2 enters the purification box 3, the waste gas with larger dust content enters the waste water in the purification box 3, and after the waste water removes dust in the waste gas again, the obtained waste gas enters a dehumidifier 5 for dehumidification, and then enters an activated carbon adsorption tank 6 for removing peculiar smell so as to reach the emission standard.

After the device operates for a period of time, the waste gas inlet pipe 7 supplies air, the first water spraying plate 8 stops spraying water, the compression spring 13 drives the filter screen to vibrate, after the filter screen stops vibrating, the dust outlet 10 is opened, the driving motor 20 is started, the cleaning plate 18 moves to discharge dust from the dust outlet 10, and after the dust is discharged, the device is restarted to treat waste gas.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.