CN216755960U

CN216755960U - Efficient papermaking exhaust treatment device

Info

Publication number: CN216755960U
Application number: CN202123423497.2U
Authority: CN
Inventors: 杜汉杰; 杜汉民; 余行宝
Original assignee: Dongguan Taichang Paper Co ltd
Current assignee: Dongguan Taichang Paper Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-17
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an efficient papermaking waste gas treatment device, wherein an atomizer for atomizing chemicals is arranged at the bottom inside a chemical atomizing box, a box door is hinged to one side of a UV photolysis box body, a lamp tube mounting plate is slidably mounted between a catalysis mounting groove and a filter plate mounting groove, a plurality of UV lamps are arranged on the top surface of the lamp tube mounting plate, a driving circuit is arranged inside the lamp tube mounting plate, each UV lamp is electrically connected with the driving circuit, a power supply connector is arranged on one side of a filtering cavity far away from the box door, a power supply connecting seat electrically connected with the driving circuit is arranged on one side of the lamp tube mounting plate close to the power supply connector, and the power supply connector is in plug fit with and electrically connected with the power supply connecting seat. The atomized medicament is fully fused with the waste gas, so that the purification effect of the medicament is improved, the waste gas is cooled, and the UV photolysis purification effect is improved; the medicament is recycled, so that the medicament utilization rate is high; the filter, the catalytic board and the lamp tube mounting plate are installed in the UV photolysis box body in a drawer mode, and replacement and cleaning are facilitated.

Description

Efficient papermaking exhaust treatment device

Technical Field

The utility model relates to the technical field of papermaking waste gas treatment devices, in particular to an efficient papermaking waste gas treatment device.

Background

Paper pulp needs to be cooked in the papermaking process, a large amount of foul waste gas is generated in the cooking process, the waste gas is directly discharged to pollute air, great harm is caused to human bodies, and therefore the waste gas needs to be purified before being discharged. The prior art mainly comprises a dilution diffusion method, a thermal combustion method, a catalytic combustion method, a water absorption method, a liquid medicine absorption method, an adsorption method, an aeration type activated sludge deodorization method, a UV photolysis method and other treatment methods, wherein any one or a combination of the treatment methods is selected for purifying waste gas according to the pollution condition of the waste gas; the UV photolysis method has catalytic oxidation effect under the action of external visible light or ultraviolet light inside the equipment, the catalytic oxidation reaction takes nano TiO2 titanium dioxide and air as catalysts, light as energy, and organic matters such as cracking organic matters and the like are degraded into CO2 and H2O. Although the UV photolysis method has low requirements on the environment, the temperature of waste gas generated in pulp cooking is high, the reaction speed can be reduced when the temperature of the waste gas is higher than 50 ℃, the purification effect is reduced, a large amount of polluted water can be generated by the traditional spraying cooling, secondary pollution is caused, the polluted water is recycled for a long time for cooling, even the waste gas can be subjected to secondary pollution, the purification pressure is increased, and the purification effect is poor; in the prior art, a part of waste gas treatment devices adopt a medicament for spraying, and purify waste gas while cooling, but the spraying mode has small contact surface between the medicament and the waste gas and poor purification effect; and the UV lamp can adhere to oil stain and particulate matter for a long time at the outer wall of fluorescent tube in inclosed purification space, leads to UV photodissociation effect to descend gradually, needs regularly to clear up the outer wall of fluorescent tube, and the UV lamp on the traditional exhaust treatment device is difficult to dismantle, even can't dismantle, therefore uses for a long time and can lead to purifying effect poor, and purification efficiency is low, therefore needs to improve.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an efficient papermaking waste gas treatment device which is good in waste gas purification effect, high in UV photolysis efficiency due to automatic cooling, good in medicament adsorption effect, convenient for replacing a filter plate and convenient for disassembling and assembling and cleaning a UV lamp.

In order to achieve the purpose, the utility model adopts the technical scheme that: an efficient papermaking waste gas treatment device comprises a UV photolysis box body, wherein a plurality of UV lamps are arranged inside the UV photolysis box body, the UV photolysis box body is connected with a primary filtering device through a gas pipe, the primary filtering device comprises a filtering tower and a medicament atomization box, one end of the gas pipe is connected with one side of the UV photolysis box body, the other end of the gas pipe is connected with the top of the filtering tower, two sides of the bottom end of the filtering tower are respectively provided with a gas inlet pipe used for conveying waste gas to the filtering tower and an atomization gas pipe connected with the medicament atomization box, the bottom inside the medicament atomization box is provided with an atomizer used for atomizing a medicament, the inner wall of the atomization gas pipe is provided with an atomization fan, an air outlet of the atomization fan faces towards the filtering tower, the inner wall of the gas pipe is provided with a gas transmission fan, and an air outlet of the gas transmission fan faces towards the UV photolysis box body;

one side of the UV photolysis box body is hinged with a box door, the interior of the UV photolysis box body is provided with a filtering cavity, the upper wall and the lower wall of one end of the filtering cavity, which is close to the gas pipe, are at least provided with a filter plate mounting groove corresponding up and down, a filter plate is slidably mounted in the filter plate mounting groove, one side of the UV photolysis box body, which is far away from the gas pipe, is provided with a gas outlet pipe, the upper wall and the lower wall of one end of the filtering cavity, which is close to the gas outlet pipe, are at least provided with a catalysis mounting groove corresponding up and down, a catalysis plate is movably mounted in the catalysis mounting groove, a lamp tube mounting plate is slidably mounted between the catalysis mounting groove and the filter plate mounting groove, the top surface of the lamp tube mounting plate is provided with a plurality of UV lamps, the interior of the lamp tube mounting plate is provided with a driving circuit, each UV lamp is respectively and electrically connected with the driving circuit, one side of the filtering cavity, which is close to the power connector, is provided with a power connecting seat which is electrically connected with the driving circuit, the power connector is in plug-in fit with the power connecting seat and is electrically connected with the power connecting seat, the inner wall of the air outlet pipe is provided with an air outlet fan, and an air outlet of the air outlet fan faces to the outside atmosphere.

Specifically, the below of filter tower is provided with the medicine storage tank, is connected with the discharge tube between medicine storage tank and the filter tower, is connected with the loading tube between one side of the bottom in medicine storage tank and one side of the upper end of medicament atomization case, and the loading tube closes on the one end of medicament atomization case and is provided with the float valve that is used for controlling the medicament to get into the medicament atomization case.

Specifically, the middle part of the inside of the filter tower is provided with a spiral channel, the outer edge of the spiral channel is fixedly connected with the inner wall of the filter tower, and the air inlet pipe and the atomizing air pipe are respectively positioned below the spiral channel.

Specifically, the bottom movable mounting of the inside of filter tower has the granule filter screen, and the lateral wall of granule filter screen is contradicted in the inside wall of filter tower.

Specifically, a demister is arranged at the top end of the inside of the filtering tower.

Specifically, the filter includes coarse filter plate and active carbon board, and the one end interval that the filtration cavity is close to the gas-supply pipe is provided with two filter plate mounting grooves, and coarse filter plate slidable mounting is in the filter plate mounting groove that is close to the gas-supply pipe, and active carbon board slidable mounting is in the filter plate mounting groove that is close to the fluorescent tube mounting panel.

Specifically, UV photodissociation box still is provided with circulation processing mechanism, circulation processing mechanism includes the trachea that circulates, circulating fan, solenoid valve and air monitor, the one side that UV photodissociation box is close to the gas-supply pipe is connected to trachea one end that circulates, one side that UV photodissociation box is close to the outlet duct is connected to trachea's the other end, solenoid valve and circulating fan install respectively on the trachea that circulates, the air monitor is installed in the inner wall of outlet duct, air monitor respectively with the fan of giving vent to anger, circulating fan and solenoid valve electric connection.

Specifically, the inner wall that UV photodissociation box is close to the gas-supply pipe is provided with temperature sensor, temperature sensor and atomizer electric connection.

Specifically, the inner wall of outlet duct still is provided with fine filter of glass.

Specifically, a plurality of germicidal lamps are annularly arranged on the inner wall of the middle part of the gas conveying pipe.

After adopting the structure, compared with the prior art, the utility model has the advantages that: the medicament is atomized by the medicament atomization box, and the atomized medicament and the waste gas are fully fused in the filter tower, so that the purification effect of the medicament is improved, the waste gas is cooled, and the UV photolysis purification effect is improved; the medicament is recycled through the medicament storage pool and supplied to the medicament atomization box, the medicament is recycled, and the medicament utilization rate is high; the UV lamp is installed on the fluorescent tube mounting panel, and filter, catalysis board and fluorescent tube mounting panel drawer type are installed in UV photodissociation box, are convenient for change and wash, and it is convenient to use, avoids oil stain and granule to shelter from the UV lamp and leads to purifying effect to descend.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the filter plate of the present invention in a state of replacement;

fig. 4 is a schematic structural view of the lamp tube mounting plate of the present invention.

In the figure:

1, a UV photolysis box body, 11 box doors, 12 filtering chambers, 13 filter plate mounting grooves, 14 coarse filter plates, 15 activated carbon plates, 16 catalytic mounting grooves, 17 catalytic plates, 18 power connectors and 19 temperature sensors;

2, an air outlet pipe, 21 an air outlet fan and 22 glass fiber filter plates;

3 lamp tube mounting plate, 31UV lamp, 32 power supply connecting seat;

41 filter towers, 42 spiral channels, 43 particle filter screens, 44 demisters, 45 atomization air pipes, 46 atomization fans and 47 air inlet pipes;

5, a medicament atomization box, a 51 atomizer, a 52 float valve, a 53 medicament storage pool, a 54 medicament discharge pipe and a 55 medicament conveying pipe;

6 gas transmission pipes, 61 sterilizing lamps and 62 gas transmission fans;

7 circulating air pipes, 71 circulating fans, 72 electromagnetic valves and 73 air monitors.

Detailed Description

The following are merely preferred embodiments of the present invention, and do not limit the scope of the present invention.

An efficient papermaking waste gas treatment device is shown in figures 1 to 4 and comprises a UV photolysis box body 1, a plurality of UV lamps 31 are arranged inside the UV photolysis box body 1, the UV photolysis box body 1 is connected with a primary filtering device through a gas pipe 6, the primary filtering device comprises a filtering tower 41 and a medicament atomization box 5, one end of the gas pipe 6 is connected with one side of the UV photolysis box body 1, the other end of the gas pipe 6 is connected with the top of the filter tower 41, two sides of the bottom end of the filter tower 41 are respectively provided with a gas inlet pipe 47 for conveying waste gas to the filter tower 41 and an atomization gas pipe 45 connected with the chemical atomization box 5, the bottom inside the chemical atomization box 5 is provided with an atomizer 51 for atomizing chemicals, the inner wall of the atomization gas pipe 45 is provided with an atomization fan 46, the air outlet of the atomization fan 46 faces the filter tower 41, the inner wall of the gas pipe 6 is provided with a gas conveying fan 62, and the air outlet of the gas conveying fan 62 faces the UV photolysis box body 1;

a box door 11 is hinged on one side of the UV photolysis box body 1, a filtering chamber 12 is arranged in the UV photolysis box body 1, the upper wall and the lower wall of one end of the filtering chamber 12, which is close to the gas pipe 6, are at least provided with a filter plate mounting groove 13 corresponding to each other up and down, a filter plate is slidably mounted in the filter plate mounting groove 13, an outlet pipe 2 is arranged on one side of the UV photolysis box body 1, which is far away from the gas pipe 6, the upper wall and the lower wall of one end of the filtering chamber 12, which is close to the outlet pipe 2, are at least provided with a catalysis mounting groove 16 corresponding to each other up and down, a catalysis plate 17 is movably mounted in the catalysis mounting groove 16, a lamp tube mounting plate 3 is slidably mounted between the catalysis mounting groove 16 and the filter plate mounting groove 13, a plurality of UV lamps 31 are arranged on the top surface of the lamp tube mounting plate 3, a driving circuit is arranged in the lamp tube mounting plate 3, each UV lamp 31 is respectively electrically connected with the driving circuit, and a power supply connector 18 is arranged on one side of the filtering chamber 12, which is far away from the box door 11, one side of the lamp tube mounting plate 3 close to the power connector 18 is provided with a power connector 32 electrically connected with the driving circuit, the power connector 18 is in plug-in fit with and electrically connected with the power connector 32, the inner wall of the air outlet pipe 2 is provided with an air outlet fan 21, and an air outlet of the air outlet fan 21 faces to the outside atmosphere.

The UV lamp 31 of the traditional waste gas treatment device is fixedly arranged in the UV photolysis box body 1 and cannot be taken out or taken out difficultly, oil stains and particles are adhered to the outer wall of the UV lamp 31 due to long-time use, so that the purification effect is gradually reduced, the cleaning is difficult, the replacement is inconvenient, and no cooling device is provided, so that high-temperature waste gas enters the UV photolysis box body 1 and cannot be fully purified, and the purification effect is poor; the traditional waste gas treatment device adopts a spraying mode to purify waste gas by using a medicament, but the spraying mode has small contact surface between the medicament and the waste gas, cannot be fully mixed and adsorbed, and has poor purification effect; UV lamp 31 installs on fluorescent tube mounting panel 3, and filter, catalysis board 17 and fluorescent tube mounting panel 3 drawer type are installed in UV photodissociation box 1, are convenient for change and wash, and it is convenient to use, avoids oil stain and granule to shelter from UV lamp 31 to lead to purifying effect to descend.

Specifically, a medicine storage tank 53 is arranged below the filtering tower 41, a medicine discharge pipe 54 is connected between the medicine storage tank 53 and the filtering tower 41, a medicine conveying pipe 55 is connected between one side of the bottom end of the medicine storage tank 53 and one side of the upper end of the medicine atomization box 5, and a floating valve 52 for controlling the medicine to enter the medicine atomization box 5 is arranged at one end of the medicine conveying pipe 55 close to the medicine atomization box 5. The medicine storage tank 53 supplies the medicine to the medicine atomization box 5 through the medicine conveying pipe 55, when the medicine in the medicine atomization box 5 is too low, the medicine is automatically supplied to the medicine atomization box 5 under the action of the floating valve 52, and after the atomized medicine and the waste gas are fully mixed and absorbed, the medicine flows into the medicine storage tank 53 again through the medicine discharging pipe 54 for recycling, and the medicine utilization rate is high.

Specifically, the middle part of the inside of the filtering tower 41 is provided with a spiral channel 42, the outer edge of the spiral channel 42 is fixedly connected with the inner wall of the filtering tower 41, and the air inlet pipe 47 and the atomizing air pipe 45 are respectively positioned below the spiral channel 42. The atomized medicament and the exhaust gas enter from the bottom of the spiral passage 42 together and are fully mixed in the spiral passage 42, and the spiral passage 42 prolongs the mixing time of the exhaust gas and the medicament and further improves the purification performance of the medicament.

Specifically, a particle filter 43 is movably mounted at the bottom end inside the filter tower 41, and the outer side wall of the particle filter 43 abuts against the inner side wall of the filter tower 41. After the medicament adsorbs and purifies waste gas, the granule of attaching to on the medicament drops to granule filter screen 43, and the medicament then passes granule filter screen 43 and gets into storage drug pool 53 and recycles, avoids the granule to get into medicament atomization case 5.

Specifically, a demister 44 is provided at the top end of the inside of the filter tower 41. Demister 44 adopts the fibre defroster, and the medicament after most atomizing adsorbs to purify the back and together drops along with the granule, and the subtotal gas-supply pipe 6 that then gets into together with waste gas, for avoiding water smoke entering UV photodissociation box 1, demister 44 intercepts water smoke, has further improved the effect of UV photodissociation.

Specifically, the filter plate includes a coarse filter plate 14 and an activated carbon plate 15, two filter plate mounting grooves 13 are arranged at intervals at one end of the filter chamber 12 close to the air pipe 6, the coarse filter plate 14 is slidably mounted in the filter plate mounting groove 13 close to the air pipe 6, and the activated carbon plate 15 is slidably mounted in the filter plate mounting groove 13 close to the lamp tube mounting plate 3. The waste gas passes through coarse filter plate 14 before UV photolysis and filters the dust that has certain granule, passes through active carbon plate 15 to filter less dust, reduces the probability that granule such as dust attached to UV lamp 31, keeps the cleanliness of UV lamp 31.

Specifically, UV photolysis box 1 still is provided with circulation processing mechanism, circulation processing mechanism includes circulating pipe 7, circulating fan 71, solenoid valve 72 and air monitor 73, one end of circulating pipe 7 is connected UV photolysis box 1 and is close to one side of gas-supply pipe 6, one side that UV photolysis box 1 is close to outlet duct 2 is connected to the other end of circulating pipe 7, solenoid valve 72 and circulating fan 71 are installed respectively on circulating pipe 7, air monitor 73 installs in the inner wall of outlet duct 2, air monitor respectively with outlet fan 21, circulating fan 71 and solenoid valve 72 electric connection. The air monitor 73 monitors the purified exhaust gas, and when the purification standard is not met, the electromagnetic valve 72 and the circulating fan 71 are opened, the air outlet fan 21 is closed, so that the exhaust gas is subjected to UV photolysis again to reach the qualified emission standard.

Specifically, the inner wall of the UV photolysis tank body 1, which is close to the gas pipe 6, is provided with a temperature sensor 19, and the temperature sensor 19 is electrically connected with the atomizer 51. When temperature sensor 19 monitored the waste gas temperature that gets into UV photolysis box 1 too high, atomizer 51 improved atomizing power, with higher speed to waste gas cooling, need not artifical manual control, and it is more convenient to use.

Specifically, the inner wall of the outlet pipe 2 is also provided with a glass fiber filter plate 22. The glass fiber filter plate 22 filters the waste gas again, and forms multiple composite filtering effect with the photolysis of the medicament and the UV, so that the purification effect is better.

Specifically, a plurality of germicidal lamps 61 are annularly arranged on the inner wall of the middle part of the gas transmission pipe 6. The bactericidal lamp 61 carries out germicidal treatment to waste gas when waste gas flows through the gas transmission pipe 6, avoids the bacterium to get into UV photodissociation box 1, leads to the bacterium to leak when opening chamber door 11.

The working principle of the utility model is as follows:

the waste gas enters the filter tower 41 through the air inlet pipe 47, the atomizer 51 atomizes the medicament in the medicament atomization box 5, the atomized medicament enters the filter tower 41 from the atomizing air pipe 45 under the action of the atomizing fan 46, the atomized medicament and the waste gas enter the spiral channel 42 together, the atomized medicament and the waste gas are fully mixed in the spiral channel 42, the medicament adsorbs and decomposes harmful substances and then falls to the particle filter screen 43, the medicament passes through the particle filter screen 43 and flows into the medicament storage tank 53 from the medicament discharge pipe 54 again, when the medicament in the medicament atomizing box 5 is gradually reduced, the medicament is automatically supplied to the medicament atomization box 5 under the action of the float valve 52, the waste gas purified by the medicament passes through the demister 44 to intercept the water mist, the gas transmission fan 62 transmits the demisted waste gas to the UV photolysis box 1, and passes through the coarse filter plate 14 and the activated carbon plate 15 in sequence to be subjected to UV photolysis, and the catalytic plate 17 is coated with a nano titanium dioxide layer. Make the oxygen molecule in the UV ultraviolet ray beam decomposition air produce free oxygen, active oxygen promptly, because of the unbalanced so oxygen-requiring molecule combination of the positive and negative electron that free oxygen carried, and then produce ozone, make and purify better thorough, last waste gas becomes the qualified gas that satisfies emission standard through fine filter 22 of glass, qualified gas is from outlet duct 2 exhaust atmosphere under the effect of fan 21 of giving vent to anger.

When the temperature sensor 19 detects that the temperature of the waste gas entering the UV photolysis box 1 is too high, the atomizer 51 is controlled to increase the atomization power and accelerate the cooling of the waste gas;

when the air monitor 73 detects that the discharged waste gas cannot meet the emission standard, the electromagnetic valve 72 and the circulation fan 71 are opened, and the air outlet fan 21 is closed, so that the waste gas is subjected to UV photolysis again.

As shown in fig. 3, when the coarse filter plates 14 and the activated carbon plates 15 need to be replaced or the UV lamps 31 need to be cleaned after long-term use, the box door 11 is opened, and the coarse filter plates 14 and the activated carbon plates 15 which need to be replaced are pulled out and new coarse filter plates 14 and activated carbon plates 15 are inserted again; the lamp tube mounting plate 3 is taken out for cleaning and then is installed again, the power connector 18 and the power connector base 32 are tightly inserted, and finally the box door 11 is closed to finish the replacement and cleaning.

The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.

Claims

1. The utility model provides an efficient papermaking exhaust treatment device, includes UV photodissociation box (1), the inside of UV photodissociation box (1) is provided with a plurality of UV lamp (31), its characterized in that: the UV photolysis box body (1) is connected with a primary filter device through a gas pipe (6), the primary filter device comprises a filter tower (41) and a medicament atomization box (5), one end of the gas pipe (6) is connected with one side of the UV photolysis box body (1), the other end of the gas conveying pipe (6) is connected with the top of the filter tower (41), an air inlet pipe (47) used for conveying waste gas to the filter tower (41) and an atomizing air pipe (45) connected with the medicament atomizing box (5) are respectively arranged on two sides of the bottom end of the filter tower (41), an atomizer (51) used for atomizing medicament is arranged at the bottom inside the medicament atomizing box (5), an atomizing fan (46) is arranged on the inner wall of the atomizing air pipe (45), an air outlet of the atomizing fan (46) faces towards the filter tower (41), a gas conveying fan (62) is arranged on the inner wall of the gas conveying pipe (6), and an air outlet of the gas conveying fan (62) faces towards the UV photolysis box body (1);

one side of the UV photolysis box body (1) is hinged with a box door (11), the interior of the UV photolysis box body (1) is provided with a filtering chamber (12), the upper wall and the lower wall of one end of the filtering chamber (12) close to the gas pipe (6) are at least provided with a filter plate mounting groove (13) which corresponds to each other up and down, a filter plate is arranged in the filter plate mounting groove (13) in a sliding way, one side of the UV photolysis box body (1) far away from the gas pipe (6) is provided with a gas outlet pipe (2), the upper wall and the lower wall of one end of the filtering chamber (12) close to the gas outlet pipe (2) are at least provided with a catalysis mounting groove (16) which corresponds to each other up and down, a catalysis plate (17) is movably arranged in the catalysis mounting groove (16), a lamp tube mounting plate (3) is arranged between the catalysis mounting groove (16) and the filter plate mounting groove (13) in a sliding way, the top surface of the lamp tube mounting plate (3) is provided with a plurality of UV lamps (31), a driving circuit is arranged in the lamp tube mounting plate (3), each UV lamp (31) is electrically connected with the driving circuit respectively, one side of the filtering cavity (12) far away from the box door (11) is provided with a power supply connector (18), one side of the lamp tube mounting plate (3) close to the power supply connector (18) is provided with a power supply connecting seat (32) electrically connected with the driving circuit, the power supply connector (18) is in plug-in fit with the power supply connecting seat (32) and is electrically connected with the power supply connecting seat, the inner wall of the air outlet pipe (2) is provided with an air outlet fan (21), and an air outlet of the air outlet fan (21) faces to the outside atmosphere.

2. A high efficiency papermaking waste gas treatment device according to claim 1, characterized in that: the utility model discloses a pesticide spraying device, including filter tower (41), storage drug pool (53) is provided with in the below of filter tower (41), is connected with between storage drug pool (53) and the filter tower (41) and arranges pencil (54), one side of storage drug pool (53) bottom with be connected with between one side of the upper end of medicament atomization case (5) defeated pencil (55), the one end that defeated pencil (55) closed on medicament atomization case (5) is provided with and is used for control medicament gets into float valve (52) of medicament atomization case (5).

3. A high efficiency papermaking waste gas treatment device according to claim 1, characterized in that: the middle part of the inside of the filter tower (41) is provided with a spiral channel (42), the outer edge of the spiral channel (42) is fixedly connected with the inner wall of the filter tower (41), and the air inlet pipe (47) and the atomization air pipe (45) are respectively positioned below the spiral channel (42).

4. A high efficiency papermaking waste gas treatment device according to claim 3, characterized in that: the bottom end of the interior of the filter tower (41) is movably provided with a particle filter screen (43), and the outer side wall of the particle filter screen (43) is abutted against the inner side wall of the filter tower (41).

5. A high efficiency papermaking waste gas treatment device according to claim 3, characterized in that: a demister (44) is arranged at the top end of the inside of the filtering tower (41).

6. A high-efficiency exhaust gas treatment device for papermaking according to claim 1, wherein: the filter plate includes coarse filter plate (14) and active carbon board (15), and filter chamber (12) are close to the one end interval of gas-supply pipe (6) is provided with two filter plate mounting groove (13), coarse filter plate (14) slidable mounting in filter plate mounting groove (13) that are close to gas-supply pipe (6), active carbon board (15) slidable mounting in be close to filter plate mounting groove (13) of fluorescent tube mounting panel (3).

7. A high-efficiency papermaking waste gas treatment device according to any one of claims 1 to 6, characterized in that: UV photolysis box (1) still is provided with circulation processing mechanism, and circulation processing mechanism includes circulating pipe (7), circulating fan (71), solenoid valve (72) and air monitor (73), and UV photolysis box (1) is connected to the one end of circulating pipe (7) and is close to UV photolysis box (1) is connected to one side of gas-supply pipe (6), the other end of circulating pipe (7) is close to one side of outlet duct (2), solenoid valve (72) and circulating fan (71) are installed respectively on circulating pipe (7), and air monitor (73) are installed in the inner wall of outlet duct (2), air monitor respectively with fan (21), circulating fan (71) and solenoid valve (72) electric connection give vent to anger.

8. A high efficiency exhaust gas treatment device for papermaking according to claim 7, wherein: UV photolysis box (1) is close to the inner wall of gas-supply pipe (6) is provided with temperature sensor (19), temperature sensor (19) with atomizer (51) electric connection.

9. A high efficiency papermaking waste gas treatment device according to claim 8, characterized in that: the inner wall of the air outlet pipe (2) is also provided with a glass fiber filter plate (22).

10. A high-efficiency exhaust gas treatment device for papermaking according to claim 9, wherein: a plurality of sterilizing lamps (61) are annularly arranged on the inner wall of the middle part of the gas conveying pipe (6).