阅读说明：本技术 一种包装纸半成品的VOCs净化装置及方法 (VOCs purification device and method for semi-finished packaging paper ) 是由 聂文豪 钟平 吕文霞 李锦锦 龙江 于 2020-05-23 设计创作，主要内容包括：本发明涉及包装纸生产过程中VOCs净化技术领域,具体为一种包装纸半成品的VOCs净化装置及方法,包括净化箱,净化箱的左侧设置有开卷支架,净化箱的右侧设置有收卷支架,净化箱的左侧端面中间设置有进料口,净化箱的右侧端面中间设置有出料口,有益效果为：本发明通过设置先湿润,再进行反复吸附的方式,使得包装纸的表面充分吸收吸附剂,从而大大提高了净化吸附的效率和质量,同时降低了吸收剂的单次喷涂量,便于调节净化剂的使用量；通过设置带有挤压辊的吸附净化装置,从而通过挤压实现对海绵层进行过滤,使得吸附废液及时排出,避免二次污染,提高了净化的质量,且通过设置回收槽,实现对废液进行统一回收,提高了净化装置的环保性。(The invention relates to the technical field of VOCs purification in the production process of packaging paper, in particular to a VOCs purification device and a VOCs purification method for a semi-finished packaging paper product, which comprises a purification box, wherein the left side of the purification box is provided with an uncoiling support, the right side of the purification box is provided with a coiling support, the middle of the left side end face of the purification box is provided with a feed inlet, and the middle of the right side end face of the purification box is provided with a discharge outlet, and the purification device has: according to the invention, the mode of wetting and then repeatedly adsorbing is adopted, so that the surface of the packing paper can fully absorb the adsorbent, the purification and adsorption efficiency and quality are greatly improved, the single spraying amount of the adsorbent is reduced, and the using amount of the purifying agent can be conveniently adjusted; through setting up the absorption purifier who has the squeeze roll to realize filtering the sponge layer through the extrusion, make the absorption waste liquid in time discharge, avoid secondary pollution, improved the quality of purification, and through setting up the accumulator, realize unifying the recovery to the waste liquid, improved purifier's feature of environmental protection.)

1. The utility model provides a semi-manufactured goods's VOCs purifier of wrapping paper, includes purifying box (1), its characterized in that: an uncoiling support (2) is arranged on the left side of the purifying box (1), a coiling support (3) is arranged on the right side of the purifying box (1), a feed inlet (7) is arranged in the middle of the left end face of the purifying box (1), a discharge outlet (8) is arranged in the middle of the right end face of the purifying box (1), an inner cavity of the purifying box (1) is arranged as a purifying inner cavity (27), wrapping paper workpieces (6) are wound on the coiling support (3) and the uncoiling support (2) in a rotating mode, a pair of limiting plates (11) which are vertically symmetrical are arranged on the left side of the inner cavity of the purifying inner cavity (27), a hot air bellow (21) and an exhaust bellow (22) which are vertically symmetrical are arranged on the right side of the inner cavity of the purifying inner cavity (27), a pair of liquid storage platforms (18) which are horizontally symmetrical are arranged in, the upper end of exhaust bellows (22) is provided with the backing roll (23) of linear distribution, the upper end of base (9) is provided with steering roller (26), a side end face that limiting plate (11) are close to feed inlet (7) is provided with interval distribution's water shower nozzle (13), the upper end of limiting plate (11) is provided with water tank (10), bilateral symmetry's a pair of the equal fixed welding in left and right sides of stock solution platform (18) has vertical baffle (14), the inner chamber of stock solution platform (18) sets up to stock solution inner chamber (19), purification support (20) are installed in the lower extreme grafting of stock solution platform (18), bilateral symmetry's a pair of the lower extreme of vertical baffle (14) is provided with guide roll (16), both ends are provided with curb plate (31) around purification support (20), and the front and back symmetry is a pair of be provided with adsorption roll (28) between curb plate (31), and the, a sponge layer (34) is fixedly sleeved on the outer wall of the adsorption roller (28), an extrusion roller (36) is arranged at the upper end of the recovery support (29), and a semi-circular sleeve-shaped recovery groove (35) is arranged at the lower end of the recovery support (29);

one end of the packing paper workpiece (6) is sleeved on the uncoiling rotary drum (5), the other end of the packing paper workpiece (6) is fixed on the outer wall of the coiling rotary drum (4), and the middle section outer wall of the packing paper workpiece (6) sequentially penetrates through a feeding hole (7), a gap between limiting plates (11) which are symmetrical up and down, a guide roller (16), an adsorption roller (28), a steering roller (26), a supporting roller (23) and a discharging hole (8) from left to right.

2. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: the inner cavity of the uncoiling support (2) is provided with an uncoiling rotary drum (5), the inner cavity of the coiling support (3) is provided with a coiling rotary drum (4), the left end and the right end of the packing paper workpiece (6) are respectively wound on the outer walls of the uncoiling rotary drum (5) and the coiling rotary drum (4) in a rotating mode, and the front end of the coiling rotary drum (4) is connected with a motor in a rotating mode.

3. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: a first electromagnetic valve (12) is arranged between the limiting plate (11) and the water tank (10), the upper end of the first electromagnetic valve (12) is communicated with the water tank (10), and the lower end of the first electromagnetic valve (12) is communicated with a water spray head (13).

4. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: the upper end of the vertical partition plate (14) is fixedly welded on the inner wall of the upper end of the purifying inner cavity (27), and the side surfaces of the pair of vertical partition plates (14) which are bilaterally symmetrical are tightly attached to the end surfaces of the limiting plate (11) and the hot air bellow (21) respectively.

5. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: the liquid storage device is characterized in that a pair of slots (15) which are bilaterally symmetrical are formed in an inner cavity of the lower end of the liquid storage platform (18), inserting strips (30) corresponding to the slots (15) are arranged at the upper end of the purification support (20), and the inserting strips (30) are inserted into the slots (15) in a sliding mode.

6. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: the purifying device is characterized in that a purifying agent spray head (33) which is linearly distributed is arranged on the lower end face of the purifying support (20), the upper end of the purifying agent spray head (33) is communicated with the liquid storage cavity (19), a second electromagnetic valve (32) is arranged between the purifying agent spray head (33) and the liquid storage cavity (19), the lower end of the purifying agent spray head (33) is just opposite to the sponge layer (34), a liquid inlet pipe (17) is arranged on the upper end of the liquid storage table (18), and the upper end of the liquid inlet pipe (17) extends to the upper end of the purifying box (1).

7. A purification apparatus for VOCs in a semi-finished wrapper according to claim 1, wherein: the inner cavity of the hot air bellow (21) is provided with a hot air fan, the inner cavity of the exhaust air bellow (22) is provided with an exhaust fan, the left side of the exhaust air bellow (22) is provided with an air inlet (25), and the right side of the exhaust air bellow (22) is provided with an air outlet (24).

8. A purification apparatus for VOCs in a semi-finished wrapper according to any one of claims 1 to 7, wherein: the purification method of the purification device comprises the following steps:

the method comprises the following steps: the paper roll is installed, the rotary winding of the packing paper workpiece (6) is realized through the uncoiling rotary drum (5) and the coiling rotary drum (4), and the trend of the middle section of the packing paper workpiece (6) is limited through different rotary rollers in the purifying box (1);

step two: wetting, namely, the left side of the packing paper workpiece (6) penetrates through and is inserted between the limiting plates (11) which are symmetrical up and down, and clear water in the water tank (10) is absorbed through a water nozzle (13), so that the upper end face and the lower end face of the packing paper workpiece (6) are preliminarily wetted;

step three: performing adsorption treatment, namely spraying an adsorbent on the packing paper workpiece (6) wound on the outer wall of the sponge layer (34) through a purifying agent spray head (33) to realize the purpose of primary adsorption;

step four: secondary adsorption, namely winding the wrapping paper workpiece (6) on a sponge layer (34) on the outer wall of the adsorption roller (28) upwards for the second time under the action of the steering roller (26), so that the purpose of secondary full adsorption is achieved;

step five: hot air drying, wherein the fully adsorbed wrapping paper workpiece (6) transversely penetrates through the lower end of a hot air box (21) rightwards under the action of a right guide roller (16), and the wrapping paper workpiece (6) is fully dried through the hot air box (21);

step six: discharging and rolling, wherein the right end of the packing paper workpiece (6) is wound in a rotating mode through a rotating motor at the front end of the rolling rotary drum (4), and the rolling purpose is further achieved.

Technical Field

The invention relates to the technical field of VOCs purification in a packaging paper production process, in particular to a VOCs purification device and method for a packaging paper semi-finished product.

Background

In the production process of the packing paper, a large amount of chemical raw materials are required to be used for treating the packing paper, so that the packing paper achieves the specified effect, a large amount of volatile gas is generated on the surface of the packing paper in the production process of the packing paper, the quality of the packing paper is reduced due to the volatile gas, and the packing paper needs to be purified before being finished.

The existing purifying device has low purifying efficiency, paper is broken or the purifying is insufficient because the content of the purifying agent can not be controlled, and meanwhile, a recovery device is lacked in the purifying process, so that the purifying agent after adsorption can cause secondary pollution to the packaging paper easily, and the purifying treatment quality of the packaging paper is reduced.

Therefore, the VOCs purification device and method for the semi-finished packaging paper are provided, and the problems of purification efficiency and purification quality are solved.

Disclosure of Invention

The invention aims to provide a VOCs purification device and a VOCs purification method for a semi-finished packaging paper, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a VOCs purification device of a semi-finished wrapping paper comprises a purification box, wherein an uncoiling support is arranged on the left side of the purification box, a rolling support is arranged on the right side of the purification box, a feeding hole is formed in the middle of the left side end face of the purification box, a discharging hole is formed in the middle of the right side end face of the purification box, an inner cavity of the purification box is arranged into a purification inner cavity, wrapping paper workpieces are wound on the rolling support and the uncoiling support in a rotating mode, a pair of limiting plates which are vertically symmetrical are arranged on the left side of the inner cavity of the purification inner cavity, a hot air bellow and an exhaust bellow which are vertically symmetrical are arranged on the right side of the inner cavity of the purification inner cavity, a pair of liquid storage platforms which are horizontally symmetrical are arranged in the middle of the inner cavity of the purification inner cavity, a base is arranged at the middle lower end of, the upper end of the limiting plate is provided with a water tank, the left side and the right side of the liquid storage platform are respectively fixedly welded with a vertical partition plate, the inner cavity of the liquid storage platform is set as a liquid storage inner cavity, the lower end of the liquid storage platform is inserted with a purification support, the lower end of the vertical partition plate is provided with a guide roller, the front end and the rear end of the purification support are provided with side plates, an adsorption roller is arranged between the front side plate and the rear side plate, the lower end of each side plate is fixedly welded with a recovery support, the outer wall of each adsorption roller is fixedly sleeved with a sponge layer, the upper end of each recovery support is provided with an extrusion roller, and the lower end;

one end of the packing paper workpiece is sleeved on the uncoiling rotary drum, the other end of the packing paper workpiece is fixed on the outer wall of the coiling rotary drum, and the middle section outer wall of the packing paper workpiece sequentially penetrates through the feed inlet, the gap between the limiting plates which are symmetrical up and down, the guide roller, the adsorption roller, the steering roller, the support roller and the discharge outlet from left to right.

Preferably, an uncoiling rotary drum is arranged in an inner cavity of the uncoiling support, a coiling rotary drum is arranged in an inner cavity of the coiling support, the left end and the right end of the packing paper workpiece are respectively wound on the outer walls of the uncoiling rotary drum and the coiling rotary drum in a rotating mode, and the front end of the coiling rotary drum is connected with a motor in a rotating mode.

Preferably, a first electromagnetic valve is arranged between the limiting plate and the water tank, the upper end of the first electromagnetic valve is communicated with the water tank, and the lower end of the first electromagnetic valve is communicated with the water spray head.

Preferably, the upper ends of the vertical partition plates are fixedly welded on the inner wall of the upper end of the purifying inner cavity, and the side surfaces of the pair of the vertical partition plates which are bilaterally symmetrical are tightly attached to the end surfaces of the limiting plate and the hot air bellow respectively.

Preferably, the inner cavity of the lower end of the liquid storage platform is provided with a pair of slots which are bilaterally symmetrical, the upper end of the purification support is provided with a cutting corresponding to the slots, and the cutting is inserted in the slots in a sliding manner.

Preferably, a purifying agent spray head which is linearly distributed is arranged on the lower end face of the purifying support, the upper end of the purifying agent spray head is communicated with the liquid storage cavity, a second electromagnetic valve is arranged between the purifying agent spray head and the liquid storage cavity, the lower end of the purifying agent spray head is opposite to the sponge layer, a liquid inlet pipe is arranged at the upper end of the liquid storage platform, and the upper end of the liquid inlet pipe extends to the upper end of the purifying box.

Preferably, the inner cavity of the hot air bellow is provided with a hot air blower, the inner cavity of the exhaust air bellow is provided with an exhaust air blower, the left side of the exhaust air bellow is provided with an air inlet, and the right side of the exhaust air bellow is provided with an air outlet.

A purification device for VOCs of semi-finished packaging paper comprises the following steps:

the method comprises the following steps: the paper roll is installed, the rotary winding of the packing paper workpiece is realized through the uncoiling rotary drum and the coiling rotary drum, and the trend of the middle section of the packing paper workpiece is limited through different rotary rollers in the purifying box;

step two: wetting, namely penetrating and inserting the left side of the packing paper workpiece between the limiting plates which are symmetrical up and down, and absorbing clear water in the water tank through a water nozzle so as to preliminarily wet the upper end face and the lower end face of the packing paper workpiece;

step three: performing adsorption treatment, namely spraying an adsorbent on the packing paper workpiece wound on the outer wall of the sponge layer through a purifying agent spray head to realize the purpose of primary adsorption;

step four: the secondary adsorption, the wrapping paper workpiece is wound on the sponge layer on the outer wall of the adsorption roller for the second time upwards under the action of the steering roller, so that the purpose of secondary full adsorption is achieved;

step five: hot air drying, wherein the fully adsorbed wrapping paper workpiece transversely penetrates through the lower end of a hot air box rightwards under the action of a right guide roller, and the wrapping paper workpiece is fully dried through the hot air box;

step six: discharging and rolling, wherein the right end of the packing paper workpiece is wound in a rotating mode through a rotating motor at the front end of a rolling rotary drum, and the purpose of rolling is further achieved.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the mode of wetting and then repeatedly adsorbing is adopted, so that the surface of the packing paper can fully absorb the adsorbent, the purification and adsorption efficiency and quality are greatly improved, the single spraying amount of the adsorbent is reduced, and the using amount of the purifying agent can be conveniently adjusted;

2. according to the invention, the adsorption purification device with the extrusion rollers is arranged, so that the sponge layer is filtered through extrusion, the adsorption waste liquid is discharged in time, secondary pollution is avoided, the purification quality is improved, the waste liquid is uniformly recovered through the recovery tank, and the environmental protection property of the purification device is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the purification box of the present invention;

FIG. 3 is a schematic view of a mounting structure of the liquid storage table of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a perspective view of the purification rack of the present invention;

FIG. 6 is a system flow diagram of the purification method of the present invention.

In the figure: 1. a purification box; 2. uncoiling a support; 3. winding a support; 4. rolling the rotary drum; 5. uncoiling the drum; 6. packing the paper workpiece; 7. a feed inlet; 8. a discharge port; 9. a base; 10. a water tank; 11. a limiting plate; 12. a first solenoid valve; 13. a water spray head; 14. a vertical partition; 15. a slot; 16. a guide roller; 17. a liquid inlet pipe; 18. a liquid storage platform; 19. a liquid storage inner cavity; 20. a purification support; 21. a hot air bellows; 22. an exhaust bellows; 23. a support roller; 24. an air outlet; 25. an air inlet; 26. a turning roll; 27. purifying the inner cavity; 28. an adsorption roller; 29. recovering the bracket; 30. cutting; 31. a side plate; 32. a second solenoid valve; 33. a cleaning agent spray head; 34. a sponge layer; 35. a recovery tank; 36. and (4) extruding the roller.

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.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a semi-manufactured goods VOCs purifier of wrapping paper, including purifying box 1, the left side of purifying box 1 is provided with opens a book support 2, the right side of purifying box 1 is provided with rolling support 3, rolling support 3 with open a book and all rotate the winding on support 2 and have wrapping paper work piece 6, the inner chamber of opening a book support 2 is provided with opens a book rotary drum 5, the inner chamber of rolling support 3 is provided with rolling rotary drum 4, both ends rotate respectively and twine the outer wall of opening a book rotary drum 5 and rolling rotary drum 4 about wrapping paper work piece 6, the front end of rolling rotary drum 4 is rotated and is connected with the motor, utilize the side-to-side motion.

A feed inlet 7 is arranged in the middle of the left end face of the purifying box 1, a discharge outlet 8 is arranged in the middle of the right end face of the purifying box 1, and the feed inlet 7 and the discharge outlet 8 are utilized to ensure that the packing paper workpieces 6 enter the purifying box 1 in parallel.

The inner cavity of the purifying box 1 is set as a purifying inner cavity 27, a pair of limiting plates 11 which are symmetrical up and down are arranged on the left side of the inner cavity of the purifying inner cavity 27, and the limiting plates 11 are used for limiting the up-and-down thickness of the packing paper workpiece 6.

The limiting plate 11 is provided with interval distribution's water shower 13 near the lateral surface of feed inlet 7, the upper end of limiting plate 11 is provided with water tank 10, be provided with first solenoid valve 12 between limiting plate 11 and the water tank 10, the upper end intercommunication water tank 10 of first solenoid valve 12, the lower extreme intercommunication water shower 13 of first solenoid valve 12, utilize the switch of first solenoid valve 12 control water shower 13, realize can tentatively moist the upper and lower both ends of wrapping paper work piece 6 through water shower 13, thereby improve the absorbing action of wrapping paper work piece 6 to purifying adsorbent.

The middle of the inner cavity of the purifying inner cavity 27 is provided with a pair of bilaterally symmetrical liquid storage platforms 18, the left and right sides of the pair of bilaterally symmetrical liquid storage platforms 18 are fixedly welded with vertical partition plates 14, the upper ends of the vertical partition plates 14 are fixedly welded on the inner wall of the upper end of the purifying inner cavity 27, the side surfaces of the pair of bilaterally symmetrical vertical partition plates 14 are tightly attached to the end surfaces of the limiting plate 11 and the hot air bellow 21 respectively, the lower ends of the pair of bilaterally symmetrical vertical partition plates 14 are provided with guide rollers 16, the left guide rollers 16 are utilized to enable the packing paper workpieces 6 to move upwards in a smooth inclined mode, and the right guide.

The purification support 20 is installed in the lower extreme grafting of stock solution platform 18, and the lower extreme inner chamber of stock solution platform 18 is provided with a pair of slot 15 of bilateral symmetry, and the upper end of purifying support 20 is provided with the cutting 30 corresponding with slot 15, and the cutting 30 slides and pegs graft in slot 15, utilizes slot 15 and the cooperation of cutting 30, realizes the installation of the slip grafting of purifying support 20.

The front end and the rear end of the purification support 20 are provided with side plates 31, an adsorption roller 28 is arranged between a pair of side plates 31 which are symmetrical front and rear, a sponge layer 34 is fixedly sleeved on the outer wall of the adsorption roller 28, a purifying agent spray head 33 which is linearly distributed is arranged on the lower end face of the purification support 20, the upper end of the purifying agent spray head 33 is communicated with the liquid storage cavity 19, a second electromagnetic valve 32 is arranged between the purifying agent spray head 33 and the liquid storage cavity 19, the lower end of the purifying agent spray head 33 is right opposite to the sponge layer 34, a liquid inlet pipe 17 is arranged at the upper end of the liquid storage platform 18, the upper end of the liquid inlet pipe 17 extends to the upper end of the purification box 1, and purifying agent spraying of a packaging paper workpiece.

The inner chamber of stock solution platform 18 sets up to stock solution inner chamber 19, the fixed welding of the lower extreme of curb plate 31 has recovery support 29, the upper end of retrieving support 29 is provided with squeeze roll 36, the lower extreme of retrieving support 29 is provided with half-circular arc cover pipy accumulator tank 35, utilize squeeze roll 36 to the extrusion on sponge layer 34, thereby make the waste liquid after the absorption purification extrude from sponge layer 34, flow to in accumulator tank 35, the realization is unified to retrieve the waste liquid, purifier's feature of environmental protection has been improved.

The middle lower end of the inner cavity of the purifying inner cavity 27 is provided with a base 9, the upper end of the base 9 is provided with a steering roller 26, the wrapping paper workpiece 6 is lifted again by the steering roller 26, and secondary purification of the wrapping paper workpiece 6 is realized.

One end of a packing paper workpiece 6 is sleeved on the uncoiling rotary drum 5, the other end of the packing paper workpiece 6 is fixed on the outer wall of the coiling rotary drum 4, and the outer wall of the middle section of the packing paper workpiece 6 sequentially penetrates through the feed port 7, the gap between the limiting plates 11 which are symmetrical up and down, the guide roller 16, the adsorption roller 28, the steering roller 26, the support roller 23 and the discharge port 8 from left to right.

The right side of the inner cavity of the purifying inner cavity 27 is provided with a hot air bellow 21 and an exhaust air bellow 22 which are symmetrical up and down, the upper end of the exhaust air bellow 22 is provided with a supporting roller 23 which is distributed linearly, the inner cavity of the hot air bellow 21 is provided with a hot air blower, the inner cavity of the exhaust air bellow 22 is provided with an exhaust air blower, the left side of the exhaust air bellow 22 is provided with an air inlet 25, the right side of the exhaust air bellow 22 is provided with an air outlet 24, the wrapping paper workpiece 6 is dried by utilizing the hot air bellow 21, meanwhile, the purifying inner cavity 27 is exhausted by utilizing the exhaust air bellow 22, volatile gas is timely exhausted.

A purification device for VOCs of semi-finished packaging paper comprises the following steps:

the method comprises the following steps: the paper roll is installed, the rotary winding of the packing paper workpiece 6 is realized through the uncoiling rotary drum 5 and the coiling rotary drum 4, and the trend of the middle section of the packing paper workpiece 6 is limited through different rotary rollers in the purifying box 1;

step two: wetting, namely, inserting the left side of the packing paper workpiece 6 between the limiting plates 11 which are symmetrical up and down in a penetrating manner, and sucking clear water in the water tank 10 through a water nozzle 13 so as to preliminarily wet the upper end face and the lower end face of the packing paper workpiece 6;

step three: performing adsorption treatment, namely spraying an adsorbent on the packing paper workpiece 6 wound on the outer wall of the sponge layer 34 through a purifying agent spray head 33 to realize the purpose of primary adsorption;

step four: secondary adsorption, namely, the wrapping paper workpiece 6 is wound on the sponge layer 34 on the outer wall of the adsorption roller 28 for the second time upwards under the action of the steering roller 26, so that the purpose of secondary full adsorption is achieved;

step five: hot air drying, wherein the fully adsorbed wrapping paper workpiece 6 transversely penetrates through the lower end of a hot air box 21 rightwards under the action of a right guide roller 16, and the wrapping paper workpiece 6 is fully dried through the hot air box 21;

step six: discharging and rolling, wherein the right end of the packing paper workpiece 6 is wound in a rotating mode through a rotating motor at the front end of the rolling rotary drum 4, and then the rolling purpose is achieved.

The working principle is as follows: firstly, one end of a packing paper workpiece 6 is sleeved on the uncoiling rotary drum 5, the other end of the packing paper workpiece 6 is fixed on the outer wall of the coiling rotary drum 4, and the outer wall of the middle section of the packing paper workpiece 6 sequentially penetrates through the feed inlet 7, the gap between the limiting plates 11 which are symmetrical up and down, the guide roller 16, the adsorption roller 28, the steering roller 26, the support roller 23 and the discharge port 8 from left to right.

Then, the limiting plate 11 is used for limiting the upper and lower thicknesses of the packing paper workpiece 6, the first electromagnetic valve 12 is used for controlling the on-off of the water spray heads 13, and the upper end and the lower end of the packing paper workpiece 6 can be preliminarily wetted through the water spray heads 13, so that the absorption effect of the packing paper workpiece 6 on the purification adsorbent is improved.

Utilize left guide roll 16 to make the smooth slope upward movement of wrapping paper work piece 6, utilize purifying agent shower nozzle 33 to realize carrying out the spraying purifying agent to wrapping paper work piece 6 of winding at the outer wall of sponge layer 34, thereby the realization carries out abundant absorption and purification to it, utilize squeeze roll 36 to the extrusion of sponge layer 34, thereby make the waste liquid after the absorption purification extrude the flow to the accumulator 35 in from sponge layer 34, the realization is unified to retrieve the waste liquid, purifier's feature of environmental protection has been improved, avoid causing secondary pollution to wrapping paper work piece 6 simultaneously.

Utilize turn roll 26 to make wrapping paper work piece 6 rise once more, realize the secondary purification to wrapping paper work piece 6, utilize the guide roll 16 on right side to make the parallel traversing of wrapping paper work piece 6 pass discharge gate 8, utilize hot-blast bellows 21 to realize drying wrapping paper work piece 6, utilize exhaust bellows 22 to realize exhausting to purifying inner chamber 27 simultaneously for volatile gas in time discharges, realizes the rapid cycle of inside and outside air.

The first electromagnetic valve 12 and the second electromagnetic valve 32 are both existing mature devices, and fans are disposed in the hot air bellow 21 and the exhaust air bellow 22, and the fans are common exhaust fan devices, which are not described in detail.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.