CN112647331A - Household paper recycling method - Google Patents
Household paper recycling method Download PDFInfo
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- CN112647331A CN112647331A CN202011481440.5A CN202011481440A CN112647331A CN 112647331 A CN112647331 A CN 112647331A CN 202011481440 A CN202011481440 A CN 202011481440A CN 112647331 A CN112647331 A CN 112647331A
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- box
- paper recycling
- household paper
- pulping
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a household paper recycling method, which comprises the steps of firstly adding recycled paper into a household paper recycling pulper, adding a proper amount of clear water, controlling the temperature in the household paper recycling pulper to be 75 ℃, then starting the household paper recycling pulper, performing pulping operation on the recycled paper, slowly heating until the temperature is controlled to be 95 ℃, then adding a mixed solution of NaOH, H2O2, NaSiO3 and a deinking agent into the household paper recycling pulper, wherein the mass ratios of NaOH, H2O2, NaSiO3 and MgSO4 in the mixed solution are respectively 2%, 1%, 2% and 0.8%, stirring for 20min at 95 ℃ to obtain a slurry, finally dehydrating and washing the slurry, and then squeezing. The invention also discloses a household paper recycling method which comprises a beating box. The invention relates to the technical field of waste paper recovery, has compact structure, reasonable design and strong practicability, and is beneficial to the recovery and treatment of waste paper.
Description
Technical Field
The invention relates to the technical field of waste paper recovery, in particular to a household paper recovery processing method.
Background
The increased investment of modern education greatly promotes the use amount of paper products such as textbooks, and the waste phenomenon ratio in the use is all right, and the use of a lot of paper products is unreasonable, and to the paper product that uses, it is significant to realize recycling to return to the stove.
The prior patent (publication number: CN207210813U) provides a waste paper recycling and processing mechanism, which can collect waste paper with ink notes well and make pulp in a centralized way, and is of great significance to recycling waste paper products and making new finished products by post processing, and the pulp making equipment is added with a filter device to remove ink on the waste paper products well.
However, the apparatus still has the following problems: the structure of the paper shredder in the equipment is simple, the paper shredder is not thorough enough to crush, and the mixing is not uniform enough during pulping and stirring, and the printing ink is removed in a filtering mode, so that the filtering device is required to be frequently replaced and cleaned, manpower and material resources are wasted, and therefore the paper shredder for daily use is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a household paper recycling method.
In order to achieve the purpose, the invention adopts the following technical scheme: a household paper recycling method comprises the following steps:
the method comprises the following steps: adding the recycled paper into a domestic paper recycling pulper, adding a proper amount of clear water, and controlling the temperature in the domestic paper recycling pulper to be 75 ℃;
step two: starting a household paper recycling pulper, performing pulping operation on recycled paper, and slowly heating until the temperature is controlled at 95 ℃;
step three: in the process of the second step, adding a mixed solution of NaOH, H2O2, NaSiO3 and a deinking agent into the recycled paper pulping machine, wherein the mass ratios of the NaOH, H2O2, NaSiO3 and MgSO4 in the mixed solution are respectively 2%, 1%, 2% and 0.8%, and stirring for 20min at 95 ℃ to obtain a slurry;
step four: the slurry is dewatered and washed and then pressed.
A household paper recycling method comprises a pulping box, wherein two heating pipes are fixedly mounted inside the pulping box, a mixing shaft is rotatably connected inside the pulping box, a plurality of mixing blades are fixedly mounted on the mixing shaft at equal intervals, a protective cover is fixedly mounted at the top of the pulping box, a driving motor is fixedly mounted inside the protective cover, the driving end of the driving motor is fixedly connected with the top end of the mixing shaft, a liquid storage box is fixedly mounted at the top of the protective cover, a piston plate is slidably connected inside the liquid storage box, a liquid inlet pipe is fixedly connected to one side of the liquid storage box, a switch valve is fixedly mounted on the liquid inlet pipe, an air cylinder is fixedly mounted at the top of the liquid storage box, and a telescopic end of the air cylinder is fixedly connected with the top of the piston plate, two reposition of redundant personnel house steward, two are installed to the inside symmetry of beating box the replenishment mouth has all been seted up at reposition of redundant personnel house steward's top, the inside fixedly connected with drain pipe of replenishment mouth, the one end of drain pipe extend to the outside of beating box and with one side fixed connection of depositing the liquid case, one side fixedly connected with inlet pipe of beating box, one side fixed mounting of beating box has crushing case, the inside symmetry of crushing case rotates and is connected with two electronic rollers of smashing, two baffles are installed to the inside symmetry of smashing the case, inlet pipe and the inside fixed intercommunication of smashing the case, one side fixedly connected with play thick liquid pipe of beating box, fixed mounting has a thick liquid valve on the play thick liquid pipe.
Preferably, four supporting legs are fixedly mounted at the bottom of the beating box, and the four supporting legs are respectively positioned at four corners of the bottom of the beating box.
Preferably, one side fixed mounting of beating box has water storage tank, water storage tank's top fixed mounting has the air exhauster, the air exhauster includes end and the exhaust end of bleeding, the end of bleeding extends to the inside of beating box, exhaust end fixedly connected with connecting pipe, the connecting pipe extends to water storage tank's inside.
Preferably, the internal rotation of beating box is connected with two (mixing) shafts, two equal fixed mounting has a plurality of stirring vane on the (mixing) shaft, two the (mixing) shaft extends to the equal fixedly connected with driven gear of the inside one end of protection casing, the mixing shaft extends to the inside one of protection casing and serves the fixedly connected with driving gear, driven gear and driving gear meshing connection.
Preferably, a plurality of distribution holes are arranged on the two supplementary ports at equal intervals, and the distribution holes are positioned on the opposite side of the two supplementary ports.
Preferably, the top of crushing case has seted up the feed inlet, feed inlet department articulates there is sealed lid.
Preferably, the top of the sealing cover is provided with a handle, the handle is made of stainless steel, and the handle is wrapped by a plastic sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. through providing electric power to electronic crushing roller, make two electronic crushing roller relative rotations, smash waste paper preliminary through electronic crushing roller, carry out the preliminary treatment to waste paper, waste paper after smashing gets into the inside and the water contact of beating case through the inlet pipe, open the heating pipe and heat the inside of beating case, make the mixing shaft rotate through starting driving motor, the rotation through the mixing shaft drives mixing blade and rotates, thereby make waste paper and water homogeneous mixing, make waste paper become paper pulp fast.
2. Can take the peculiar smell that pulp case stirring mixing in-process paper pulp appears out through the end of bleeding of air exhauster, then the cooperation through the exhaust end of air exhauster and connecting pipe will take out gas transport water storage tank inside, utilize water storage tank to filter the peculiar smell, avoid long-time work, do not get rid of the peculiar smell of beating incasement, can bring harm to staff's healthy, cause the problem of pollution to the air simultaneously.
3. The rotation through mixing shaft drives the driving gear and rotates, and the meshing through driving gear and driven gear drives two driven gear rotations to drive the (mixing) shaft and rotate, be favorable to ensuring that paper pulp obtains abundant stirring in the inside of making beating case, make the even being heated of paper pulp, ensure paper pulp and deinking agent homogeneous mixing simultaneously.
Drawings
FIG. 1 is a schematic view of a main structure of a recycling method for household paper according to the present invention;
FIG. 2 is a schematic cross-sectional view of a recycling method for household paper in the front view direction;
FIG. 3 is a schematic structural diagram of a main branch pipe of the recycling method for household paper according to the present invention;
FIG. 4 is a schematic view of a connection structure of a driving gear and a driven gear of the recycling method for household paper according to the present invention;
FIG. 5 is a schematic structural diagram of a mixing blade of a recycling method for household paper according to the present invention;
fig. 6 is an enlarged view of a structure at a in fig. 2.
In the figure: 1. a pulping box; 2. supporting legs; 3. a water storage tank; 4. an exhaust fan; 5. a protective cover; 6. a mixing shaft; 7. a mixing blade; 8. a stirring shaft; 9. a stirring blade; 10. heating a tube; 11. a drive motor; 12. a driving gear; 13. a driven gear; 14. a liquid storage tank; 15. a piston plate; 16. a liquid inlet pipe; 17. an on-off valve; 18. a cylinder; 19. a liquid outlet pipe; 20. a shunt main pipe; 21. a crushing box; 22. an electric pulverizing roller; 23. a sealing cover; 24. a baffle plate; 25. a feed pipe; 26. a pulp outlet pipe; 27. a slurry outlet valve; 28. a distribution hole; 29. a refill port; 30. and (4) connecting the pipes.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a household paper recycling method comprises the following steps: the method comprises the following steps: adding the recycled paper into a domestic paper recycling pulper, adding a proper amount of clear water, and controlling the temperature in the domestic paper recycling pulper to be 75 ℃;
step two: starting a household paper recycling pulper, performing pulping operation on recycled paper, and slowly heating until the temperature is controlled at 95 ℃;
step three: in the process of the second step, adding a mixed solution of NaOH, H2O2, NaSiO3 and a deinking agent into the recycled paper pulping machine, wherein the mass ratios of the NaOH, H2O2, NaSiO3 and MgSO4 in the mixed solution are respectively 2%, 1%, 2% and 0.8%, and stirring for 20min at 95 ℃ to obtain a slurry;
step four: the slurry is dewatered and washed and then pressed.
A household paper recycling and processing method comprises the step one, a household paper recycling and processing pulper is adopted in the step one, the pulping pulper comprises a pulping box 1, two heating pipes 10 are fixedly installed inside the pulping box 1, a mixing shaft 6 is rotatably connected inside the pulping box 1, a plurality of mixing blades 7 are fixedly installed on the mixing shaft 6 at equal intervals, a protective cover 5 is fixedly installed at the top of the pulping box 1, a driving motor 11 is fixedly installed inside the protective cover 5, the driving end of the driving motor 11 is fixedly connected with the top end of the mixing shaft 6, a liquid storage box 14 is fixedly installed at the top of the protective cover 5, a piston plate 15 is slidably connected inside the liquid storage box 14, a liquid inlet pipe 16 is fixedly connected to one side of the liquid storage box 14, a switch valve 17 is fixedly installed on the liquid inlet pipe 16, an air cylinder 18 is fixedly installed at the top of the liquid storage box 14, and the telescopic end of the air cylinder 18 is, two reposition of redundant personnel house steward 20 are installed to the inside symmetry of beating box 1, replenish mouth 29 has all been seted up at the top of two reposition of redundant personnel house steward 20, replenish the inside fixedly connected with drain pipe 19 of mouth 29, the one end of drain pipe 19 extend to the outside of beating box 1 and with one side fixed connection of depositing liquid case 14, one side fixedly connected with inlet pipe 25 of beating box 1, one side fixed mounting of beating box 1 has crushing case 21, the inside symmetry of crushing case 21 rotates and is connected with two electronic crushing rollers 22, two baffles 24 are installed to the inside symmetry of crushing case 21, inlet pipe 25 and the inside fixed intercommunication of crushing case 21, one side fixedly connected with play thick liquid pipe 26 of beating box 1, fixed mounting has out thick liquid valve 27 on the play thick liquid pipe 26.
Wherein, the bottom fixed mounting of beating box 1 has four supporting legs 2, and four are that supporting leg 2 is located the four corners department of beating box 1 bottom respectively, support beating box 1 through supporting leg 2, make it keep the clearance with ground, are convenient for beating box 1's position simultaneously and remove.
Wherein, one side fixed mounting of beating box 1 has water storage tank 3, water storage tank 3's top fixed mounting has air exhauster 4, air exhauster 4 is including end and the exhaust end of bleeding, the end of bleeding extends to the inside of beating box 1, exhaust end fixedly connected with connecting pipe 30, connecting pipe 30 extends to water storage tank 3's inside, the end of bleeding through air exhauster 4 can be taken out the peculiar smell that beating box 1 stirring mixing in-process paper pulp appears, then the cooperation through air exhauster 4's exhaust end and connecting pipe 30 will be taken out gas transport water storage tank 3 inside, utilize water storage tank 3 to filter the peculiar smell, avoid long-time work, the peculiar smell in the beating box 1 is not got rid of, can bring harm to staff's healthy, cause the problem of pollution to the air simultaneously.
Wherein, the internal rotation of beating box 1 is connected with two (mixing) shafts 8, equal fixed mounting has a plurality of stirring vane 9 on two (mixing) shafts 8, two (mixing) shafts 8 extend to the equal fixedly connected with driven gear 13 of the inside one end of protection casing 5, mixing shaft 6 extends to the inside one of protection casing 5 and serves fixedly connected with driving gear 12, driven gear 13 and driving gear 12 meshing are connected, rotation through mixing shaft 6 drives driving gear 12 and changes, meshing through driving gear 12 and driven gear 13 drives two driven gear 13 and rotates, thereby drive (mixing) shaft 8 and rotate, be favorable to guaranteeing that paper pulp obtains abundant stirring in the inside of beating box 1, make the even being heated of paper pulp, guarantee paper pulp and deinking agent homogeneous mixing simultaneously.
Wherein, a plurality of distribution holes 28 are arranged on the two replenishing openings 29 at equal intervals, the distribution holes 28 are positioned at one side opposite to the two replenishing openings 29, and the deinking agent is uniformly distributed through the distribution holes 28, so that the deinking agent and the paper pulp are uniformly mixed.
Wherein, the feed inlet has been seted up at crushing case 21's top, and feed inlet department articulates there is sealed lid 23, and the top of sealed lid 23 is equipped with the handle, through crushing case 21 articulated sealed lid 23, can guarantee crushing case 21's leakproofness and avoid crushing case 21 to reveal at the inside waste paper of in-process of function.
Wherein, the top of sealed lid 23 is equipped with the handle, just the handle is stainless steel, and the outer cladding of handle has plastic cover for convenient opening and closing sealed lid 23, stainless steel has increased the life of handle, makes things convenient for the application of force, and plastic cover material is softer simultaneously, the comfort level of hand when having promoted the application of force.
In some embodiments, the heating elements are uniformly added inside the mixing shaft 6 and/or the stirring shaft, on one hand, the heating elements are used for heating and mixing the pulp, and on the other hand, the heating elements are only used for heating the heating pipe 10, so that the whole pulp in the beating box 1 cannot be quickly and uniformly heated, and the temperature of part of the pulp is not uniform, so that the mixing efficiency and the quality of the mixed pulp are affected; wherein, the control temperature of the heating element can be adjusted according to the temperature of the heating pipe 10, and the temperature in the heating and beating box 1 is ensured to be consistent.
The working principle is as follows: in the invention, when in use, water is added into the pulping box 1, the sealing cover 23 is opened, waste paper is added into the crushing box 21, the electric crushing rollers 22 are provided with electric power, the two electric crushing rollers 22 rotate relatively, the waste paper is crushed primarily by the electric crushing rollers 22 and is pretreated, the crushed waste paper enters the pulping box 1 through the feed pipe 25 and contacts with the water, the heating pipe 10 is opened to heat the inside of the pulping box 1, the mixing shaft 6 rotates by starting the driving motor 11, the mixing blade 7 rotates by the rotation of the mixing shaft 6, so that the waste paper is uniformly mixed with water, the waste paper is rapidly converted into paper pulp, the deinking agent is injected into the liquid inlet pipe 16 by opening the switch valve 17, the deinking agent enters the liquid storage box 14, the switch valve 17 is closed after the injection is finished, the air cylinder 18 is driven to extend, and the piston plate 15 slides downwards, the deinking agent flows into the liquid outlet pipe 19 through the extrusion of the piston plate 15, flows into the shunt main pipe 20 through the liquid outlet pipe 19, and is uniformly distributed through the distribution holes 28 formed in the shunt main pipe 20, so that the deinking agent and the paper pulp are uniformly mixed, and the effect of quickly deinking the paper pulp is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A household paper recycling method is characterized by comprising the following steps:
the method comprises the following steps: adding the recycled paper into a domestic paper recycling pulper, adding a proper amount of clear water, and controlling the temperature in the domestic paper recycling pulper to be 75 ℃;
step two: starting a household paper recycling pulper, performing pulping operation on recycled paper, and slowly heating until the temperature is controlled at 95 ℃;
step three: in the process of the second step, adding a mixed solution of NaOH, H2O2, NaSiO3 and a deinking agent into the recycled paper pulping machine, wherein the mass ratios of the NaOH, H2O2, NaSiO3 and MgSO4 in the mixed solution are respectively 2%, 1%, 2% and 0.8%, and stirring for 20min at 95 ℃ to obtain a slurry;
step four: the slurry is dewatered and washed and then pressed.
2. The household paper recycling method according to claim 1, wherein a household paper recycling pulper is adopted in the first step, the household paper recycling pulper comprises a pulping box (1), and the household paper recycling pulper is characterized in that two heating pipes (10) are fixedly installed inside the pulping box (1), a mixing shaft (6) is rotatably connected inside the pulping box (1), a plurality of mixing blades (7) are fixedly installed on the mixing shaft (6) at equal intervals, a protective cover (5) is fixedly installed on the top of the pulping box (1), a driving motor (11) is fixedly installed inside the protective cover (5), the driving end of the driving motor (11) is fixedly connected with the top end of the mixing shaft (6), a liquid storage box (14) is fixedly installed on the top of the protective cover (5), and a piston plate (15) is slidably connected inside the liquid storage box (14), one side fixedly connected with feed liquor pipe (16) of depositing liquid case (14), fixed mounting has ooff valve (17) on feed liquor pipe (16), the top fixed mounting of depositing liquid case (14) has cylinder (18), the flexible end of cylinder (18) and the top fixed connection of piston plate (15), two reposition of redundant personnel house steward (20) are installed to the inside symmetry of beating box (1), two replenishment mouth (29) have all been seted up at the top of reposition of redundant personnel house steward (20), the inside fixedly connected with drain pipe (19) of replenishment mouth (29), the one end of drain pipe (19) extend to the outside of beating box (1) and with one side fixed connection of depositing liquid case (14), one side fixedly connected with inlet pipe (25) of beating box (1), one side fixed mounting of beating box (1) has crushing case (21), the inside symmetry of crushing case (21) is rotated and is connected with two electronic crushing roller (22), two baffles (24) are installed to the inside symmetry of smashing case (21), inlet pipe (25) and the fixed intercommunication in inside of smashing case (21), one side fixedly connected with of beating case (1) goes out thick liquid pipe (26), go out thick liquid pipe (26) and go up fixed mounting and have a thick liquid valve (27).
3. The household paper recycling method according to claim 1, characterized in that four supporting legs (2) are fixedly mounted at the bottom of the beating box (1), and the four supporting legs (2) are respectively positioned at four corners of the bottom of the beating box (1).
4. The household paper recycling method according to claim 1, characterized in that a water storage tank (3) is fixedly installed on one side of the pulping tank (1), an exhaust fan (4) is fixedly installed on the top of the water storage tank (3), the exhaust fan (4) comprises an air exhaust end and an air exhaust end, the air exhaust end extends to the inside of the pulping tank (1), the air exhaust end is fixedly connected with a connecting pipe (30), and the connecting pipe (30) extends to the inside of the water storage tank (3).
5. The household paper recycling method according to claim 1, wherein two stirring shafts (8) are rotatably connected to the inside of the beating box (1), a plurality of stirring blades (9) are fixedly mounted on each of the two stirring shafts (8), a driven gear (13) is fixedly connected to one end of each of the two stirring shafts (8) extending to the inside of the protective cover (5), a driving gear (12) is fixedly connected to one end of the mixing shaft (6) extending to the inside of the protective cover (5), and the driven gear (13) and the driving gear (12) are meshed and connected.
6. The recycling method of household paper as claimed in claim 1, characterized in that a plurality of distribution holes (28) are opened on two said replenishment ports (29) at equal intervals, and said distribution holes (28) are positioned on the opposite side of two said replenishment ports (29).
7. The household paper recycling method according to claim 1, wherein a feeding opening is opened at the top of the crushing box (21), and a sealing cover (23) is hinged at the feeding opening.
8. The recycling method of tissue paper for daily use as claimed in claim 7, wherein a handle is provided on the top of the sealing cover (23), the handle is made of stainless steel, and the handle is covered with a plastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481440.5A CN112647331A (en) | 2020-12-16 | 2020-12-16 | Household paper recycling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011481440.5A CN112647331A (en) | 2020-12-16 | 2020-12-16 | Household paper recycling method |
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| CN112647331A true CN112647331A (en) | 2021-04-13 |
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| CN114541160A (en) * | 2022-03-17 | 2022-05-27 | 日照华泰纸业有限公司 | Pulping device for papermaking |
| CN114950235A (en) * | 2022-03-03 | 2022-08-30 | 安徽禾吉循环经济园有限公司 | Crop straw pulp diluting bin |
| CN116446207A (en) * | 2023-05-11 | 2023-07-18 | 山东丰源中科造纸有限公司 | Production device for odorless corrugated paper |
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| CN114950235A (en) * | 2022-03-03 | 2022-08-30 | 安徽禾吉循环经济园有限公司 | Crop straw pulp diluting bin |
| CN114541160A (en) * | 2022-03-17 | 2022-05-27 | 日照华泰纸业有限公司 | Pulping device for papermaking |
| CN116446207A (en) * | 2023-05-11 | 2023-07-18 | 山东丰源中科造纸有限公司 | Production device for odorless corrugated paper |
| CN116446207B (en) * | 2023-05-11 | 2024-02-09 | 山东丰源中科造纸有限公司 | Production device for odorless corrugated paper |
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