Combined efficient VOCs waste gas treatment device

Abstract

The utility model discloses a combined efficient VOCs (volatile organic compounds) waste gas treatment device, which belongs to the technical field of waste gas treatment and comprises a waste gas treatment chamber, a waste gas pipe, an air guide fan A, a drainage groove, a water pan, a sealing door plate, an exhaust groove, a demister, a dustproof net frame, a rotating frame and a support frame. Exhaust grooves are embedded in the two sides of the waste gas treatment chamber. According to the organic waste gas treatment device, the atomization spray head can spray out large-range atomized alkaline water more uniformly in a larger range and make contact with organic waste gas, while the organic waste gas is neutralized and purified, waste water penetrates through the drainage groove and falls into the water pan to be collected, and a worker opens the sealing door plate at regular intervals to take out the water pan; after wastewater collected by the water pan is carried to a specified treatment site for treatment, the wastewater is put back to the original position, and the sealing door plate is closed for next wastewater collection treatment, so that the effect of efficiently neutralizing and purifying organic waste gas is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, in particular to a combined high-efficiency VOCs waste gas treatment device. Background Art

[0002] Waste gas treatment refers to the adsorption, filtration and purification of waste gas generated in the industrial production process. Through biological, physical or chemical treatment methods, various waste gases are purified to meet the emission standards and then discharged to the outside world, so that the emitted waste gas can avoid affecting the external environment.

[0003] Among them, it was found through searching that the application number is CN202020735412.0, an organic waste gas treatment tower, which has a connection ring connected by opening an external thread on the upper end of the lower tower body and the outer side of the upper tower body, and a limit block is arranged on the upper and lower end surfaces of the mounting plate, and an activated carbon plate is slidably connected between the limit blocks, which can fully and effectively adsorb harmful gases in the organic waste gas, improve the purification effect, and is easy to assemble as a whole, and is easy to clean and replace the internal mechanism; Among them, the shortcomings are as follows:

[0004] When the staff uses this kind of organic waste gas treatment tower to purify the organic waste gas, the organic waste gas passes through the activated carbon plate and fully contacts with the activated carbon plate, which can fully and effectively adsorb the harmful gases in the organic waste gas for adsorption and purification. However, when the organic waste gas is adsorbed and purified by the activated carbon plate, since the activated carbon plate is fixed and cannot change its position freely, it is easy for some positions of the activated carbon plate to not be evenly contacted with the organic waste gas, resulting in poor adsorption and purification effect of the organic waste gas. Utility Model Content

[0005] The purpose of the utility model is to provide a combined high-efficiency VOCs waste gas treatment device in order to solve the problem that the activated carbon plate of the above-mentioned organic waste gas treatment tower has a relatively poor adsorption and purification effect on organic waste gas.

[0006] The technical solution adopted by the utility model is as follows: a combined high-efficiency VOCs waste gas treatment device, including a waste gas treatment chamber, a waste gas pipe, a guide fan A, a drainage trough, a water receiving tray, a sealing door panel, an exhaust trough, a demister, a dustproof grid, a rotating frame and a supporting frame, the waste gas treatment chamber is embedded with a waste gas pipe on the side, the waste gas pipe is installed with a guide fan A inside, the waste gas treatment chamber is embedded with exhaust troughs on both sides, the exhaust trough is connected to a dustproof grid by bolts on the side, the exhaust trough is fixedly installed with a demister near the bottom of the exhaust trough, and the exhaust trough is fixedly installed with a demister near the bottom of the exhaust trough. A rotating frame is arranged for bearing rotation, a supporting frame is fixedly installed at the lower part of the exhaust gas treatment chamber, a drainage groove is embedded at the lower part of the inner wall of the exhaust gas treatment chamber, a water collecting pan is arranged near the lower part of the exhaust gas treatment chamber near the lower part of the drainage groove, a sealing door panel is hingedly arranged near the front of the water collecting pan in front of the exhaust gas treatment chamber, a rotating contact purification mechanism for uniformly adsorbing and purifying organic waste gas is arranged on the inner side of the exhaust groove, a rotating dispersing air guide mechanism for uniformly dispersing the organic waste gas is arranged at the lower part of the supporting frame, and a rotating spray purification mechanism for efficiently purifying the organic waste gas is arranged on the outer side of the rotating frame.

[0007] The rotary spray purification mechanism is composed of a water guide groove, a rotary joint, a movable frame, an atomizing nozzle, a movable rod, a telescopic rod, a servo motor A, an eccentric wheel, a servo motor B, a rotating frame B, an alkaline water tank and a water pump. A water guide groove is embedded above the rotating frame, and a rotary joint is nested and rotatably arranged above the end of the water guide groove through a bearing and a sealing ring. The movable frames are arranged on both sides of the rotating frame through a rotating shaft. There are several movable frames, which are arranged in parallel at equal distances. The movable rods are arranged between the movable frames through a rotating shaft. Telescopic rods are arranged on the upper and lower sides of the rotating frame and between the relative movable frames through a rotating shaft, and the telescopic rods A spring is provided on the outside, a servo motor A is fixedly installed in the middle of both sides of the rotating frame, the servo motor A is connected to an eccentric wheel through an output shaft, an atomizing nozzle is embedded on the side of the movable frame, and several atomizing nozzles are connected to the lower part of the end of the water guide groove through a water guide hose, an alkaline water tank is provided on the side of the exhaust gas treatment chamber, a water pump is embedded in the front of the alkaline water tank, and the alkaline water tank, the water pump and the rotating joint are connected through a water guide pipe, a servo motor B is fixedly installed near the side of the rotating frame inside the exhaust gas treatment chamber, the servo motor B is connected to the rotating frame B through an output shaft, and the rotating frame B and the rotating frame are arranged through a chain transmission.

[0008] Among them, the rotating dispersed air guide mechanism is composed of a servo motor C, a rotating bracket, an air guide frame and an air guide fan B. The servo motor C is fixedly installed under the support frame. The servo motor C is connected to the rotating bracket through an output shaft. The air guide fan B is installed inside the rotating bracket. There are several air guide fans B, which are equidistantly arranged around. The air guide frame is fixedly installed under the rotating bracket, and the air guide frame is arranged in a cone shape.

[0009] Among them, the rotating contact purification mechanism is composed of an exhaust fan, a rotating frame A, a slide groove, an electric roller, and an activated carbon filter screen. Exhaust fans are installed on both sides of the dustproof grid frame. A rotating frame A is arranged inside the dustproof grid frame near the exhaust fan, and the rotating frame A is arranged in a ring shape. The outer ring of the rotating frame A is embedded with a slide groove, and the slide groove is arranged in a ring shape. The inner wall of the dustproof grid frame is near the outer ring of the rotating frame A and is provided with an electric roller rotating through a bearing, and the electric roller is fitted and slidably arranged on the inside of the slide groove. Activated carbon filter screens are connected to both sides of the inner ring of the rotating frame A by bolts, and the activated carbon filter screens are arranged in an arc shape.

[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0011] 1. This combined high-efficiency VOCs waste gas treatment device is equipped with a rotating spray purification mechanism, which allows the staff to coordinate between the water guide trough, rotary joint, movable frame, atomizing nozzle, movable rod, telescopic rod, servo motor A, eccentric wheel, servo motor B, rotating frame B, alkaline water tank and water pump, and use servo motor B to drive the outer ring chain of rotating frame B to drive the rotating frame as a whole to rotate through the bearing, while driving a number of atomizing nozzles to rotate. At the same time, servo motor A drives the eccentric wheel to rotate rapidly, constantly hitting the movable frame to repeatedly swing through the movable rod and the rotating shaft, driving the telescopic rod and the outer spring to repeatedly extend and retract through the rotating shaft, and driving a number of atomizing nozzles to repeatedly swing, thereby improving the effect of high-efficiency neutralization and purification of organic waste gas.

[0012] 2. This combined high-efficiency VOCs waste gas treatment device is equipped with a rotating dispersing air guide mechanism, which allows the staff to coordinate between the servo motor C, the rotating bracket, the air guide frame and the air guide fan B, and use the servo motor C to drive the air guide fan B around the rotating bracket to rotate clockwise and counterclockwise half a circle repeatedly. After turning on several air guide fans B, the organic waste gas will be dispersed to the surroundings along the conical air guide frame. The dispersed organic waste gas is evenly blown to the surroundings of the rotating frame by several air guide fans B, thereby more efficiently neutralizing and purifying the organic waste gas.

[0013] 3. This combined high-efficiency VOCs waste gas treatment device is equipped with a rotating contact purification mechanism, which allows the staff to coordinate between the exhaust fan, rotating frame A, slide groove, electric roller, and activated carbon filter screen plate, and use the servo motor matched with the electric roller to drive the electric roller to rotate inside the slide groove. The rotating frame A drives the activated carbon filter screen plate to rotate on the outside of the electric roller through the slide groove, so that the activated carbon filter screen plate is evenly contacted with the purified organic waste gas, thereby improving the effect of efficient adsorption and purification of residual waste gas in the purified organic waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the exhaust gas treatment device of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the exhaust gas treatment device in the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged schematic diagram of the structure at A in the middle;

[0017] Figure 4 For the utility model Figure 2 The enlarged schematic diagram of the structure at B in the middle;

[0018] Figure 5 For the utility model Figure 2 The enlarged structural schematic diagram of Example 2 is shown at B.

[0019] Markings in the figure: 1. Exhaust gas treatment chamber; 101. Exhaust gas pipe; 102. Fan A; 103. Drain trough; 104. Water tray; 105. Sealed door panel; 106. Exhaust trough; 107. Defogger; 2. Dust-proof mesh frame; 201. Exhaust fan; 202. Rotating frame A; 203. Slide; 204. Electric roller; 205. Activated carbon filter screen; 3. Rotating frame; 301. Water trough; 302. Rotating joint; 303. Movable frame; 304. Atomizing nozzle; 305. Movable rod; 306. Telescopic rod; 4. Servo motor A; 401. Eccentric wheel; 5. Servo motor B; 501. Rotating frame B; 6. Alkaline water tank; 601. Water pump; 7. Support frame; 701. Servo motor C; 702. Rotating bracket; 703. Air guide frame; 704. Fan B. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the utility model:

[0022] Example 1: Reference Figure 1-4 A combined high-efficiency VOCs waste gas treatment device comprises a waste gas treatment chamber 1, a waste gas pipe 101, a guide fan A102, a drainage groove 103, a water receiving tray 104, a sealing door panel 105, an exhaust groove 106, a demister 107, a dustproof grid frame 2, a rotating frame 3 and a supporting frame 7. The waste gas treatment chamber 1 is embedded with a waste gas pipe 101 on the side, and a guide fan A102 is installed inside the waste gas pipe 101. Exhaust grooves 106 are embedded on both sides of the waste gas treatment chamber 1. The dustproof grid frame 2 is connected to the side of the exhaust groove 106 by bolts. A demister 107 is fixedly installed near the bottom of the exhaust groove 106 in the waste gas treatment chamber 1. The exhaust gas treatment chamber 1 is near the demister. A rotating frame 3 is rotatably arranged below the device 107 through a bearing, a supporting frame 7 is fixedly installed below the inside of the exhaust gas treatment chamber 1, a drainage groove 103 is embedded below the inner wall of the exhaust gas treatment chamber 1, a water receiving tray 104 is arranged below the inside of the exhaust gas treatment chamber 1 near the bottom of the drainage groove 103, a sealing door panel 105 is hingedly arranged in front of the exhaust gas treatment chamber 1 near the front of the water receiving tray 104, a rotating contact purification mechanism for uniformly adsorbing and purifying organic waste gas is arranged on the inner side of the exhaust groove 106, a rotating dispersing air guide mechanism for uniformly dispersing the organic waste gas is arranged below the supporting frame 7, and a rotating spray purification mechanism for efficiently purifying the organic waste gas is arranged on the outer side of the rotating frame 3.

[0023] Reference Figure 2 , further, the rotary spray purification mechanism is composed of a water guide groove 301, a rotary joint 302, a movable frame 303, an atomizing nozzle 304, a movable rod 305, a telescopic rod 306, a servo motor A4, an eccentric wheel 401, a servo motor B5, a rotating frame B501, an alkaline water tank 6 and a water pump 601;

[0024] A water guide groove 301 is embedded above the rotating frame 3, and a rotating joint 302 is nested and rotatably arranged above the end of the water guide groove 301 through a bearing and a sealing ring. A movable frame 303 is rotatably arranged on both sides of the rotating frame 3 through a rotating shaft. There are several movable frames 303, which are equidistantly arranged in parallel. A movable rod 305 is rotatably arranged between the movable frames 303 through a rotating shaft. Telescopic rods 306 are rotatably arranged on the upper and lower sides of the rotating frame 3 and between the relative movable frames 303, and springs are matched on the outside of the telescopic rods 306. A servo motor A4 is fixedly installed in the middle of both sides of the rotating frame 3, and the servo motor A4 is connected to an eccentric wheel 401 through an output shaft. , an atomizing nozzle 304 is embedded on the side of the movable frame 303, and a plurality of atomizing nozzles 304 are connected to the lower end of the water guide groove 301 through a water guide hose, an alkaline water tank 6 is arranged on the side of the waste gas treatment chamber 1, a water pump 601 is embedded in the front of the alkaline water tank 6, and the alkaline water tank 6, the water pump 601 and the rotary joint 302 are connected through a water guide pipe, and a servo motor B5 is fixedly installed near the side of the rotating frame 3 inside the waste gas treatment chamber 1, and the servo motor B5 is connected to the rotating frame B501 through the output shaft, and the rotating frame B501 and the rotating frame 3 are arranged through a chain transmission. When the staff needs to operate the organic waste generated by the designated chemical plant The air is purified, the ducting fan A102 is turned on to suck the organic waste gas in the waste pipe of the chemical plant into the waste pipe 101 and discharge it into the waste gas treatment chamber 1. At the same time, the staff turns on the water pump 601 to spray the alkaline water in the alkaline water tank 6 from the multiple atomizing nozzles 304 through the water pipe and the water hose. At the same time, the servo motor A4 and the servo motor B5 are turned on to make the servo motor B5 drive the outer ring chain of the rotating frame B501 to drive the rotating frame 3 to rotate as a whole through the bearing, driving the multiple atomizing nozzles 304 to rotate. At the same time, the servo motor A4 drives the eccentric wheel 401 to rotate rapidly, continuously hitting the movable frame 303 through the movable rod 305 and the rotating shaft. The reciprocating swing drives the telescopic rod 306 and the outer spring to repeatedly extend and retract through the rotating shaft, driving the multiple atomizing nozzles 304 to repeatedly swing, so that the atomizing nozzles 304 can spray a large range of atomized alkaline water more evenly and contact with the organic waste gas in a larger range. While the organic waste gas is neutralized and purified, the waste water passes through the drainage trough 103 and falls into the water receiving tray 104 for collection. The staff regularly opens the sealing door panel 105 to take out the water receiving tray 104, carries the waste water collected in the water receiving tray 104 to the designated treatment site for treatment, and then puts it back in place and closes the sealing door panel 105 for the next waste water collection and treatment, thereby improving the effect of efficient neutralization and purification of the organic waste gas.

[0025] Reference Figure 1-3 , further, the rotating dispersed air guide mechanism is composed of a servo motor C701, a rotating bracket 702, an air guide frame 703 and an air guide fan B704;

[0026] A servo motor C701 is fixedly installed below the support frame 7, and the servo motor C701 is connected to a rotating bracket 702 through an output shaft. A ventilating fan B704 is installed inside the rotating bracket 702. There are several ventilating fans B704, which are arranged equidistantly around. An air guide frame 703 is fixedly installed below the rotating bracket 702, and the air guide frame 703 is arranged in a conical shape. When the ventilating fan A102 sucks the organic waste gas in the waste gas pipe of the chemical plant into the waste gas pipe 101 and discharges it into the waste gas treatment chamber 1, At the same time, the staff turns on the servo motor C701 to drive the fan B704 around the rotating bracket 702 to rotate repeatedly clockwise and counterclockwise half a circle. After turning on several fan B704, the organic waste gas will be dispersed to the surrounding along the conical air guide frame 703, and the dispersed organic waste gas will be evenly blown to the surrounding of the rotating frame 3 through several fan B704, so that the dispersed organic waste gas will be more evenly contacted with the atomized alkaline water, and the organic waste gas can be more efficiently neutralized and purified.

[0027] Reference Figure 1 , 2 4. Further, the rotary contact purification mechanism is composed of an exhaust fan 201, a rotating frame A202, a slide 203, an electric roller 204, and an activated carbon filter screen 205;

[0028] Exhaust fans 201 are installed on both sides of the dustproof net frame 2, and a rotating frame A202 is arranged inside the dustproof net frame 2 near the exhaust fan 201, and the rotating frame A202 is arranged in a ring shape, and a slide groove 203 is embedded in the outer ring of the rotating frame A202, and the slide groove 203 is arranged in a ring shape. The inner wall of the dustproof net frame 2 is arranged near the outer ring of the rotating frame A202 around the electric roller 204 through the bearing rotation, and the electric roller 204 is arranged on the inner side of the slide groove 203 in a sliding manner. Activated carbon filter screen plates 205 are connected to both sides of the inner ring of the rotating frame A202 by bolts, and the activated carbon filter screen plates 205 are arranged in an arc shape. When the organic waste gas is neutralized and purified around the rotating frame 3 and passes through the defogger 107, the excess After the mist water is filtered, the staff turns on the exhaust fan 201 to suck the purified organic waste into the exhaust slot 106 and pass through the activated carbon filter screen 205 in the middle of the dustproof mesh frame 2. At the same time, the staff turns on the servo motor matching the electric roller 204 to drive the electric roller 204 to rotate on the inside of the slide slot 203. The rotating frame A202 drives the activated carbon filter screen 205 to rotate on the outside of the electric roller 204 through the slide slot 203, so that the activated carbon filter screen 205 is evenly in contact with the purified organic waste gas, and the residual harmful gas in the purified organic waste gas is adsorbed and discharged to the outside through the exhaust slot 106, thereby improving the effect of efficient adsorption and purification of the residual waste gas in the purified organic waste gas.

[0029] Reference Figure 1-4Furthermore, the electric roller 204 is electrically connected to an external power supply through a matching servo motor and a matching control panel of the exhaust gas treatment chamber 1, and the duct fan A102, the exhaust fan 201, the servo motor A4, the servo motor B5, the water pump 601, the servo motor C701 and the duct fan B704 are all electrically connected to an external power supply through a matching control panel of the exhaust gas treatment chamber 1.

[0030] Embodiment 2:

[0031] like Figure 4 , 5 As shown, in addition to the embodiment in which the activated carbon filter screen plates 205 are connected to the inner ring of the rotating frame A202 by bolts on both sides, and the activated carbon filter screen plates 205 are arranged in an arc shape, there is another embodiment in which the activated carbon filter screen plates 205 are connected to the inner ring of the rotating frame A202 by bolts on both sides, and the activated carbon filter screen plates 205 are arranged in a wave shape. When the staff turns on the exhaust fan 201 and sucks the purified organic waste into the exhaust slot 106 through the activated carbon filter screen plates 205 in the middle of the dustproof mesh frame 2, the staff turns on the servo motor matching the electric roller 204 to drive the electric roller 204 to rotate on the inside of the slide slot 203, and the rotating frame A202 drives the wavy activated carbon filter screen plates 205 to rotate on the outside of the electric roller 204 through the slide slot 203, so that the wavy activated carbon filter screen plates 205 will be in uniform contact with the purified organic waste gas over a larger area, and the harmful gases remaining in the purified organic waste gas can be more efficiently adsorbed and purified. Compared with the first embodiment, the adsorption purification efficiency is higher.

[0032] Working principle: First, the staff needs to purify the organic waste gas generated during the operation of the designated chemical plant. Turn on the ducting fan A102 to suck the organic waste gas in the waste pipe of the chemical plant into the waste pipe 101 and discharge it into the waste gas treatment room 1. At the same time, the staff turns on the servo motor C701 to drive the ducting fan B704 around the rotating bracket 702 to rotate half a circle clockwise and half a circle counterclockwise repeatedly. After turning on several ducting fans B704, the organic waste gas will be dispersed to the surroundings along the conical ducting frame 703. After the dispersed organic waste gas is evenly distributed through several ducting fans B704 Blow around the rotating frame 3, then, the staff turns on the water pump 601 to spray the alkaline water in the alkaline water tank 6 from the multiple atomizing nozzles 304 through the water pipe and the water hose, and turns on the servo motor A4 and the servo motor B5, so that the servo motor B5 drives the outer ring chain of the rotating frame B501 to drive the rotating frame 3 to rotate as a whole through the bearing, while driving the multiple atomizing nozzles 304 to rotate, the servo motor A4 drives the eccentric wheel 401 to rotate rapidly, and continuously hits the movable frame 303 to swing repeatedly through the movable rod 305 and the rotating shaft, driving the telescopic rod 306 and the outer spring The rotating shaft is repeatedly extended and retracted to drive a plurality of atomizing nozzles 304 to repeatedly swing, so that the atomizing nozzles 304 can spray a large range of atomized alkaline water more evenly and contact the organic waste gas in a larger range. While the organic waste gas is neutralized and purified, the waste water passes through the drainage groove 103 and falls into the water receiving tray 104 for collection. Finally, the staff turns on the exhaust fan 201, and the purified organic waste is sucked into the exhaust groove 106 and passes through the activated carbon filter plate 205 in the middle of the dustproof grid frame 2. At the same time, the staff turns on the servo motor of the electric roller 204 to drive the electric roller 204 in the slide groove. 203 rotates inside, and the rotating frame A202 drives the activated carbon filter plate 205 to rotate on the outside of the electric roller 204 through the slide groove 203, so that the activated carbon filter plate 205 is evenly in contact with the purified organic waste gas, and the residual harmful gases in the purified organic waste gas are adsorbed and discharged to the outside through the exhaust groove 106. The staff regularly opens the sealed door panel 105 to take out the water receiving tray 104, and carries the wastewater collected in the water receiving tray 104 to the designated treatment site for treatment, and then puts it back to its original position and closes the sealed door panel 105 for the next wastewater collection and treatment.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined high-efficiency VOCs waste gas treatment device, comprising a waste gas treatment chamber (1), a waste gas pipe (101), a ventilating fan A (102), a drainage groove (103), a water receiving tray (104), a sealing door panel (105), an exhaust groove (106), a demister (107), a dustproof net frame (2), a rotating frame (3) and a supporting frame (7), wherein the waste gas treatment chamber (1) is embedded with a waste gas pipe (101) on the side, the waste gas pipe (101) is installed with a ventilating fan A (102) inside, the waste gas treatment chamber (1) is embedded with exhaust grooves (106) on both sides, and the exhaust grooves (106) are connected to dustproof nets on the sides by bolts. A frame (2) is provided, a demister (107) is fixedly installed in the exhaust gas treatment chamber (1) below the exhaust slot (106), a rotating frame (3) is rotatably arranged in the exhaust gas treatment chamber (1) below the demister (107) via a bearing, a supporting frame (7) is fixedly installed in the exhaust gas treatment chamber (1) below, a drainage slot (103) is embedded in the lower part of the inner wall of the exhaust gas treatment chamber (1), a water receiving pan (104) is arranged in the lower part of the exhaust gas treatment chamber (1) below the drainage slot (103), and a sealing door panel (105) is hingedly arranged in front of the exhaust gas treatment chamber (1) near the front of the water receiving pan (104), characterized in that: A rotating contact purification mechanism capable of uniformly adsorbing and purifying the organic waste gas is arranged inside the exhaust slot (106), a rotating dispersion air guide mechanism capable of uniformly dispersing the organic waste gas is arranged below the support frame (7), and a rotating spray purification mechanism capable of efficiently purifying the organic waste gas is arranged outside the rotating frame (3).

2. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 1, characterized in that: The rotary spray purification mechanism is composed of a water guide groove (301), a rotary joint (302), a movable frame (303), an atomizing nozzle (304), a movable rod (305), a telescopic rod (306), a servo motor A (4), an eccentric wheel (401), a servo motor B (5), a rotary frame B (501), an alkaline water tank (6) and a water pump (601); A water guide groove (301) is embedded above the rotating frame (3), and a rotating joint (302) is nested and rotatably arranged above the end of the water guide groove (301) through a bearing and a sealing ring. Movable frames (303) are rotatably arranged on both sides of the rotating frame (3) through a rotating shaft, and a movable rod (305) is rotatably arranged between the movable frames (303) through a rotating shaft. Telescopic rods (306) are rotatably arranged above and below both sides of the rotating frame (3) and between the movable frames (303) opposite to each other through a rotating shaft, and a spring is matched with the outer side of the telescopic rod (306). A servo motor A (4) is fixedly installed in the middle of both sides of the rotating frame (3), and the servo motor A (4) is connected to an eccentric wheel (401) through an output shaft. ), an atomizing nozzle (304) is embedded in the side of the movable frame (303), and a plurality of atomizing nozzles (304) are connected to the lower end of the water guide groove (301) via a water guide hose, an alkaline water tank (6) is arranged on the side of the exhaust gas treatment chamber (1), a water pump (601) is embedded in the front of the alkaline water tank (6), and the alkaline water tank (6), the water pump (601) and the rotary joint (302) are connected via a water guide pipe, and a servo motor B (5) is fixedly installed in the exhaust gas treatment chamber (1) near the side of the rotating frame (3), the servo motor B (5) is connected to the rotating frame B (501) via an output shaft, and the rotating frame B (501) and the rotating frame (3) are arranged via a chain transmission.

3. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 1, characterized in that: The rotating dispersed air guide mechanism is composed of a servo motor C (701), a rotating bracket (702), an air guide frame (703) and an air guide fan B (704); A servo motor C (701) is fixedly mounted below the support frame (7); the servo motor C (701) is connected to a rotating bracket (702) via an output shaft; a guide fan B (704) is mounted inside the rotating bracket (702); and an air guide frame (703) is fixedly mounted below the rotating bracket (702).

4. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 1, characterized in that: The rotary contact purification mechanism is composed of an exhaust fan (201), a rotating frame A (202), a slide groove (203), an electric roller (204), and an activated carbon filter screen (205); Exhaust fans (201) are installed on both sides of the dustproof net frame (2), a rotating frame A (202) is arranged inside the dustproof net frame (2) near the exhaust fan (201), and a slide groove (203) is embedded in the outer ring of the rotating frame A (202). Electric rollers (204) are rotatably arranged around the inner wall of the dustproof net frame (2) near the outer ring of the rotating frame A (202) through bearings, and the electric rollers (204) are slidably arranged on the inner side of the slide groove (203), and activated carbon filter screens (205) are connected to both sides of the inner ring of the rotating frame A (202) through bolts.

5. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 2, characterized in that: There are a plurality of movable frames (303), which are arranged in parallel at equal distances.

6. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 3, characterized in that: There are a plurality of air guide fans B (704), which are arranged equidistantly around each other, and the air guide frame (703) is arranged in a conical shape.

7. A combined high-efficiency VOCs waste gas treatment device as claimed in claim 4, characterized in that: The rotating frame A (202) is arranged in a ring shape, the sliding groove (203) is arranged in a ring shape, and the activated carbon filter screen plate (205) is arranged in an arc shape.

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