A process for the preparation of paper from artemisia fibers

Abstract

The application discloses an artemisia fiber papermaking preparation process, which is prepared by taking artemisia fiber as a main raw material and through the steps of pre-dehydration, dehydration, carbon frying, screening, pretreatment, grinding, screening and purification, concentration, drying, adsorption, spraying wine latex, drying and shaping and winding, can effectively reduce the dependence on imported raw materials in the papermaking process, can effectively reduce the production cost, improve the paper yield, reduce the agglomeration, stabilize the structure, reduce the environmental pollution in the papermaking process, reduce the energy consumption and is more safe and environmentally-friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of papermaking preparation, and in particular to a papermaking preparation process of wormwood fibers from wormwood. BACKGROUND

[0002] Paper pulp is a fibrous material made from plant fibers through different processing methods. The quality of paper pulp is mainly determined by the fiber morphology and the purity of the fibers.

[0003] Currently, the main raw materials for papermaking are divided into two categories: plant fiber raw materials and recycled fibers. Plant fiber raw materials include wood fibers (coniferous wood, broad-leaved wood), non-wood fibers, and recycled fibers (regenerated fibers). Non-wood fibers refer to:

[0004] 1. Grass fibers

[0005] ① Rice straw: It is a common raw material for papermaking. Rice straw fibers are relatively short, generally between 0.9 - 1.5mm, with cellulose content of about 35% - 40% and lignin content of about 12% - 15%. Due to its abundant resources and low cost, it is often used to manufacture some low-end paper, such as toilet paper. However, rice straw fibers contain a lot of silicon, which needs to be removed through special treatment during the papermaking process, otherwise it will affect the quality of the paper.

[0006] ② Wheat straw: The fiber length is similar to that of rice straw, about 0.8 - 1.2mm, with cellulose content of about 37% - 42% and lignin content of 13% - 16%. It can also be used for the production of household paper and cultural paper, which can reduce production costs to a certain extent.

[0007] 2. Bast fibers

[0008] ① Flax fibers: such as flax, ramie, etc. Flax fibers are relatively long, with a length of 10 - 100mm, and ramie fibers are even longer, reaching 50 - 500mm. The cellulose content is high, between 60% - 80%, and the lignin content is relatively low, between 2% - 5%. Flax fibers have high strength and good toughness, and can be used to manufacture some special paper, such as banknote paper and security paper. These papers need to have high tensile strength and durability, and flax fibers can meet these requirements.

[0009] ②Artemisia fiber: Artemisia grows fast, and is a sustainable papermaking raw material. The length of Artemisia fiber is generally between 1.5-3.5mm, the cellulose content is about 40%-50%, and the lignin content is about 20%-30%. The Artemisia fiber can be used to produce paper with good strength and natural color, which is suitable for the production of various paper products such as packaging paper and household paper. For example, some environmentally friendly paper towel products use Artemisia fiber as raw material, which has the characteristics of softness and toughness.

[0010] With the rise of traditional Chinese medicine health, moxibustion products are recognized and used by more and more people, but moxibustion products mainly use the leaves of mugwort. This has caused a large amount of waste of the neck of mugwort, so using the stems of mugwort to make paper not only reduces the use of wood, but also reasonably utilizes crops, and provides additional economic benefits for mugwort growers,

[0011] Most of the existing paper uses wood pulp fiber as raw material. Due to the lack of wood pulp in China, most of the wood pulp raw materials currently need to rely on imports, so the price is high, the cost spent in production is high, and most of them are wet papermaking processes. The wet papermaking process is to cook the wood pulp at high temperature, and then drive it to the forming net by water flow, filter the slurry and press to form a papermaking process, and then dry, polish and other processes. The production process is complex, the equipment investment is large, the pollution is serious; a large amount of water, electricity, coal, chemical raw materials, manpower is consumed, and the cost is high.

[0012] There are also dry papermaking methods, but the existing dry papermaking method uses wood pulp board as raw material, the cost is high, and the wood pulp is easy to form a group, the product species is limited, and it cannot solve the problem of reducing production cost and reducing the dependence on imported raw materials in the papermaking process, so an Artemisia fiber dry papermaking process is needed. SUMMARY

[0013] The purpose of the present application is to solve the problems in the background art and provide an Artemisia fiber dry papermaking process.

[0014] The above technical purpose of the present application is achieved by the following technical scheme:

[0015] An Artemisia fiber papermaking preparation process, comprising the following steps:

[0016] S1, pre-dehydration, drying the Artemisia to pre-dehydrate and remove excess water, usually for one to three days, using a steel screen during drying, turning over every three hours, and the drying thickness should not exceed two centimeters;

[0017] S2, dehydrating, dehydrating the wormwood through a dehydration device, removing a large amount of water, and controlling the water content to be less than 20%; the dehydration device is a drying box, and the wormwood is placed in the drying box and subjected to 12 hours of cycle drying through high temperature; the wormwood is turned over during the drying process;

[0018] S3, frying carbon, completely removing the water in the wormwood through the frying carbon method, frying until the surface is black and the wormwood is formed into a wormwood group;

[0019] S4, screening, screening the wormwood, and collecting and storing the wormwood groups with larger volumes;

[0020] S5, pretreatment, pretreating the wormwood group, including soaking, cooking or steaming, etc., to soften the wormwood group and remove impurities and part of the lignin;

[0021] S6, grinding, sending the pretreated wormwood group into a grinding machine for grinding, and grinding the wormwood group into fine fibers; an appropriate amount of water can be added during the grinding process to help the separation and refinement of the fibers;

[0022] S7, screening and purification, screening and purifying the wormwood pulp after grinding to remove coarse fibers, impurities and dust, etc.; a screen, a centrifugal separator or the like can be used for screening and purification.

[0023] S8, concentration, concentrating the wormwood pulp to increase its concentration;

[0024] S9, drying, using a drying device to dry the wormwood pulp into a wormwood pulp board or wormwood pulp powder for storage and transportation;

[0025] S10, adsorption, preparing short wormwood fibers or a mixture of short wormwood fibers and wood pulp fibers as fiber raw materials; the ratio of wormwood fibers to wood pulp fibers is 1:1 or 1-2:1, then the fiber raw materials are adsorbed on the air permeable rotating roller through the action of the air extractor of the dry papermaking device, and a uniform paper web is formed by pressing; the short wormwood fibers are obtained by crushing the wormwood pulp board through a crusher; the wormwood pulp board is a solid board with a thickness of 0.5-2 mm.

[0026] S11, spraying wine latex, uniformly spraying wine latex on the front surface of the paper web;

[0027] S12, drying and setting, conveying the paper web to the drying roller group of the papermaking device to dry and set the latex on the front surface of the paper web;

[0028] S13, winding, winding the dried and set paper web through a winding machine.

[0029] The application can effectively reduce the dependence on imported raw materials in the papermaking process, reduce production steps, reduce production cost, improve paper yield, and reduce environmental pollution in the papermaking process, reduce energy consumption, and be more safe and environmentally friendly.

[0030] The short wormwood fiber has a fiber length of 1-3mm, and the amount of latex is 3%-30% of the weight of the fiber raw material, which can effectively avoid the aggregation of wormwood fiber in the production process, and make the generated paper web uniform and flat.

[0031] Preferably, the dry papermaking device comprises a sealed box body, a small spike roller guide roller, a large spike roller guide roller, an air inlet baffle, a ventilation rotating roller, a pressing roller, a guide conveyor belt, an air extractor, a feeding conveyor belt, and an air inlet adjusting mechanism, the left side of the sealed box body is provided with a feeding port and an air inlet from top to bottom, the right side of the sealed box body is provided with a discharging port, the feeding conveyor belt is arranged on the feeding port, the air inlet baffle is arranged on the air inlet, the small spike roller guide roller is arranged at the end of the feeding conveyor belt, the large spike roller guide roller is arranged at the right side of the small spike roller guide roller, the ventilation rotating roller is arranged at the end of the air inlet baffle, the pressing roller is arranged at the left side of the ventilation rotating roller and above the air inlet baffle, the guide conveyor belt is arranged above and right of the ventilation rotating roller, the air extractor is arranged at the inner bottom of the sealed box body, the air inlet of the air extractor is provided with a pipeline, the end of the pipeline is fixedly provided with a horn cover, the cover opening of the horn cover is tightly combined with the ventilation rotating roller, the pipeline is provided with the air inlet adjusting mechanism, and the pipeline is provided with a drying roller group and a paper winding roller.

[0032] The fiber raw material is conveyed through the feeding conveyor belt on the feeding port, the air extractor starts to work, the fiber raw material first passes through the small spike roller guide roller, the small spike roller guide roller rotates clockwise, the teeth of the roller feed the fiber raw material to the large spike roller guide roller, the large spike roller guide roller rotates counterclockwise to press the fiber raw material downward, the air extractor starts to work, the fiber raw material passes through the air inlet baffle, and is then adsorbed on the roller surface of the ventilation rotating roller, the ventilation rotating roller rotates clockwise, and then the thin sheet paper web is formed through the extrusion of the pressing roller, and then the paper web is conveyed to the glue spraying mechanism for glue spraying, and then the paper web is dried through the drying roller group, and then the paper web is wound to manufacture the wormwood paper taking wormwood as the raw material.

[0033] Preferably, the adjusting air outlet mechanism comprises a fixed disc, a sliding sheet and a rotating disc, the fixed disc is fixedly connected with the side wall of the pipeline, the rotating disc is arranged below the fixed disc, the sliding sheet is arranged between the fixed disc and the rotating disc, the middle part of the fixed disc and the rotating disc is provided with an air outlet, the tail end of the fixed disc and the sliding sheet is formed with an adjusting port after being spliced, the adjusting port corresponds to the air outlet, a plurality of first guide sliding grooves are formed on the fixed disc, a plurality of second guide sliding grooves are formed on the rotating disc, the top of the sliding sheet is provided with a limiting block matched with the first guide sliding groove, and the bottom of the sliding sheet is provided with a limiting pin matched with the second guide sliding groove.

[0034] The rotating disc is rotated by a rotating motor, the motor end of the rotating motor is fixed on the side wall of the pipeline, the air outlet of the rotating disc is provided with a gear ring, the gear ring is engaged with a driving gear, the driving gear is fixedly connected with the output end of the rotating motor, and the air inlet is provided with a flow sensor.

[0035] The present application controls the rotation of the rotating motor according to the air volume detected by the flow sensor, thereby controlling the rotation of the rotating disc, driving the sliding sheet to slide in the first guide sliding groove and the second guide sliding groove, thereby controlling the size of the zoom port, so that the size of the air outlet can be automatically adjusted according to the air volume, overcoming the blockage of the pipeline and the output change caused by the aging of the fan during long-term use, thereby solving the problem that the fibers adsorbed on the roller surface are uneven, and making the paper produced not easy to form a group and more uniform.

[0036] Preferably, the end of the limiting pin is fixedly connected with an anti-separation piece for preventing the rotating disc from separating from the fixed disc.

[0037] Preferably, the bottom of the small thorn roller guide roller is provided with a material guide plate, and the top of the material guide plate is formed with a groove for conveniently conveying the fibers.

[0038] Preferably, the air-permeable rotating roller comprises an internally hollow roller body, a rotating shaft is arranged in the middle part of the roller body, the rotating shaft and the roller body are fixedly connected through a support strip, a plurality of air-permeable holes are formed in the roller surface of the roller body, and sealing plates are arranged at both ends of the roller body, so that the roller can rotate while the air can pass through the air-permeable holes, and the fibers can be adsorbed on the roller surface.

[0039] Preferably, the right side of the air-permeable rotating roller is provided with a cleaning plate, a sticky hair layer is attached to one side of the cleaning plate close to the roller surface by magic tape, the other side of the cleaning plate is provided with a sliding rail, and the cleaning plate is slidingly connected on the sliding rail.

[0040] In use, the cleaning plate moves along the axial direction of the air-permeable rotating roller, so that part of the residual fibers on the air-permeable rotating roller can be removed, and the plugging of the air-permeable holes by the fibers is reduced.

[0041] Preferably, the guide conveying belt is provided with a glue spraying mechanism on the upper side of the outer side wall of the sealing box, the glue spraying mechanism comprises a fixed plate, and a plurality of glue spraying guns are arranged on the bottom of the fixed plate.

[0042] Preferably, the front of the air inlet adjusting mechanism is further provided with a filtering mechanism, the filtering mechanism is located in the pipeline, the filtering mechanism comprises a hollow pipe body, the top of the pipe body is arranged on the side wall of the pipeline and is in communication with the pipeline, a filter screen is arranged in the pipe body, the filter screen is arranged in the axial direction of the pipe body, the filter screen divides the pipe body into two regions, an isolation plate is arranged on the top of the filter screen, and a sealing plate is threadedly connected to the bottom of the pipe body.

[0043] The air passes through the filter screen from the right side of the filter screen, then from the left side of the filter screen, and then enters the pipeline again, so that part of the fibers and dust can be isolated, the service life of the air extractor is prolonged, and the filter screen can be replaced conveniently by opening the sealing plate.

[0044] In summary, the present application has the following advantages:

[0045] 1. The application is made by the steps of pre-dewatering, dewatering, roasting carbon, screening, pretreatment, grinding, screening and purifying, concentrating, drying, adsorbing, spraying wine latex, drying and shaping, and winding, and can effectively reduce the dependence on imported raw materials in the papermaking process, reduce production steps, reduce production cost, improve paper yield, reduce clumping, have stable structure, reduce environmental pollution in the papermaking process, reduce energy consumption, and are safer and more environmentally friendly.

[0046] 2. The fiber raw material is conveyed through the feeding conveying belt on the feeding port, the air extractor starts to work, the fiber raw material first passes through the small spike roller guide roller, the small spike roller guide roller rotates clockwise, the teeth of the roller feed the fiber raw material to the large spike roller guide roller, the large spike roller guide roller rotates counterclockwise to press the fiber raw material downward, the air extractor starts to work, the fiber raw material passes through the air inlet baffle, and then is adsorbed on the roller surface of the air-permeable rotating roller, the air-permeable rotating roller rotates clockwise, then the sheet paper web is formed through the extrusion of the pressing roller, then the sheet paper web is conveyed to the glue spraying mechanism for glue spraying, then the sheet paper web is dried through the drying roller group, and then the sheet paper web is wound to manufacture the wormwood paper with wormwood as the raw material.

[0047] 3. The application detects the air volume according to the flow sensor, controls the rotation of the rotary motor, thereby controlling the rotation of the rotating disc, drives the sliding piece to slide in the first guide sliding groove and the second guide sliding groove, thereby controlling the size of the zooming port, so that the size of the air port can be automatically adjusted according to the air volume, the problem that the fibers adsorbed on the roller surface are uneven due to the blockage of the pipeline and the penetration hole during long-term use, the aging of the fan leading to the change of the output, so that the paper produced is not easy to form a group, and is more uniform.

[0048] 4. The air passes through the filter screen from the right side of the filter screen, then from the left side of the filter screen, and then enters the pipeline, so that part of the fibers and dust can be isolated, the service life of the air extractor is prolonged, and the filter screen can be replaced conveniently by opening the sealing plate. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 is the overall schematic diagram of the dry papermaking device of the application;

[0050] Figure 2 is the overall schematic diagram of the dry papermaking device of the application without the sealing box;

[0051] Figure 3 is the overall schematic diagram of the glue spraying mechanism of the dry papermaking device of the application;

[0052] Figure 4 is the overall schematic diagram of the air-permeable rotating roller of the application;

[0053] Figure 5 is the sectional view of the filtering mechanism of the application;

[0054] Figure 6 is the sectional view of the air port adjusting mechanism of the application;

[0055] Figure 7 is the overall schematic diagram of the air port adjusting mechanism of the application;

[0056] Figure 8 is the schematic diagram of the first guide sliding groove of the application;

[0057] Figure 9 is the schematic diagram of the second guide sliding groove of the application;

[0058] Figure 10 is the schematic diagram of the sliding piece of the application;

[0059] Figure 11 is the schematic diagram of the adjusting port of the application;

[0060] Figure 12 is the schematic diagram of the limiting block of the application;

[0061] Figure 13 is the schematic diagram of the limiting pin of the application. DETAILED DESCRIPTION

[0062] The following specific examples are merely illustrative of the present application and are not intended to limit the present application. Those skilled in the art can make modifications to the present examples without creative contribution, according to the needs of the present application after reading the present specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

[0063] The present application will be described in detail below with examples in combination with the accompanying drawings.

[0064] Example 1

[0065] A papermaking preparation process of wormwood fibers from wormwood, comprising the following steps:

[0066] S1, pre-dewatering, drying the wormwood for pre-dewatering to remove excess water, usually the drying time is one to three days, a steel screen is used during drying, and the surface is turned over every three hours, and the drying thickness cannot exceed two centimeters;

[0067] S2, dewatering, dewatering the wormwood through a dewatering device to remove a large amount of water, and controlling the water content to be below 20%, the dewatering device uses a drying oven, the wormwood is put into the drying oven, and the wormwood is dried for 12 hours through high temperature, and the surface is turned over during the drying process;

[0068] S3, carbon frying, completely removing the water in the wormwood through carbon frying method, frying until the surface is black and forming wormwood clusters;

[0069] S4, screening, screening the wormwood, and collecting and storing the wormwood clusters with larger volume;

[0070] S5, pretreatment, pretreating the wormwood clusters, including soaking, cooking or steaming, etc., to soften the wormwood clusters and remove impurities and part of lignin;

[0071] S6, grinding, sending the pretreated wormwood clusters into a grinding machine for grinding, and grinding the wormwood clusters into fine fibers; an appropriate amount of water can be added during the grinding process to help the separation and refinement of the fibers;

[0072] S7, screening and purification, screening and purifying the wormwood pulp after grinding to remove coarse fibers, impurities and dust, etc.; a screen, a centrifugal separator, etc. can be used for screening and purifying.

[0073] S8, concentration, concentrating the wormwood pulp to increase its concentration;

[0074] S9, drying, using a drying device to dry the wormwood pulp into wormwood pulp board or wormwood pulp powder for storage and transportation;

[0075] S10, adsorption, short wormwood fiber or mixture of short wormwood fiber and wood pulp fiber is prepared as fiber raw material; the ratio of wormwood fiber and wood pulp fiber is 1:1 or 1-2:1, then the fiber raw material is adsorbed on the air permeable rotating roller 114 by the action of the air extractor 117 of the dry papermaking device 1, and a uniform paper web is formed by pressing; the short wormwood fiber is obtained by crushing the wormwood pulp board through a crusher, and the wormwood pulp board is a solid board with a thickness of 0.5-2 mm.

[0076] S11, spraying latex, uniformly spraying latex on the front surface of the paper web;

[0077] S12, drying and setting, conveying the paper web to the drying roller group 43 of the papermaking device 1 to dry and set the latex on the front surface of the paper web;

[0078] S13, winding, winding the dried and set paper web through the paper winding machine 44.

[0079] The fiber length of the short wormwood fiber is 1 mm, and the amount of latex is 3% of the weight of the fiber raw material.

[0080] As shown in Figures 1-4 The dry papermaking device 1 includes a sealed box body 11, the sealed box body 11 is provided with a small spike roller guide roller 130, a large spike roller guide roller 112, an air inlet baffle 113, an air permeable rotating roller 114, a pressing roller 115, a guide conveying belt 116, an air extractor 117, a feeding conveying belt 118, and an adjusting air inlet mechanism 2, the left side of the sealed box body 11 is provided with a feeding port 119 and an air inlet 110 from top to bottom, the right side of the sealed box body 11 is provided with a discharging port 111, the feeding conveying belt 118 is arranged on the feeding port 119, the air inlet baffle 113 is arranged on the air inlet 110, the small spike roller guide roller 130 is arranged at the end of the feeding conveying belt 118, the large spike roller guide roller 112 is arranged at the right side of the small spike roller guide roller 130, the air permeable rotating roller 114 is arranged at the end of the air inlet baffle 113, the pressing roller 115 is arranged at the left side of the air permeable rotating roller 114 and above the air inlet baffle 113, the guide conveying belt 116 is arranged above the right side of the air permeable rotating roller 114, the air extractor 117 is arranged at the inner bottom of the sealed box body 11, the air inlet of the air extractor 117 is provided with a pipeline 120, the end of the pipeline 120 is fixedly provided with a horn cover 121, the cover opening of the horn cover 121 is tightly combined with the air permeable rotating roller 114, the pipeline 120 is provided with the adjusting air inlet mechanism 2, the guide conveying belt 116 is provided with a glue spraying mechanism 4 on the upper surface of the outer side wall of the sealed box body 11, and the glue spraying mechanism 4 includes a fixed plate 41, and a plurality of glue spraying guns 42 are arranged on the bottom of the fixed plate 41.

[0081] As shown in Figures 6-13As shown, the adjusting air port mechanism 2 includes a fixed disc 21, a sliding sheet 22, and a rotating disc 23. The fixed disc 21 is fixedly connected with the side wall of the pipeline 120. The rotating disc 23 is arranged below the fixed disc 21. The sliding sheet 22 is arranged between the fixed disc 21 and the rotating disc 23. The middle part of the fixed disc 21 and the rotating disc 23 is provided with an air outlet 24. The fixed disc 21 and the sliding sheet 22 are spliced together to form an adjusting port 25 at the tail end. The adjusting port 25 corresponds to the air outlet 24. A plurality of first guide sliding grooves 26 are formed on the fixed disc 21. A plurality of second guide sliding grooves 27 are formed on the rotating disc 23. The top of the sliding sheet 22 is provided with a limiting block 28 matched with the first guide sliding groove 26. The bottom of the sliding sheet 22 is provided with a limiting pin 29 matched with the second guide sliding groove 27. The end of the limiting pin 29 is fixedly connected with an anti-separation piece 290 for preventing the rotating disc 23 from separating from the fixed disc 21. The rotating disc 23 is rotated by the rotating motor 20. The motor end of the rotating motor 20 is fixed on the side wall of the pipeline 120. The air outlet 24 of the rotating disc 23 is provided with a gear ring 201. The gear ring 201 is engaged with a driving gear 202. The driving gear 202 is fixedly connected with the output end of the rotating motor 20. The air inlet 110 is provided with a flow sensor 203. The bottom of the small thorn roller guide roller 130 is provided with a guide plate 204. The top of the guide plate 204 is formed with a groove 205.

[0082] As shown in Figure 4 The air-permeable rotating roller 114 includes an internally hollow roller body 206. The middle part of the roller body 206 is provided with a rotating shaft 207. The rotating shaft 207 is fixedly connected with the roller body 206 through a support strip 208. A plurality of air-permeable holes 208 are formed on the roller surface of the roller body 206. The two ends of the roller body 206 are provided with sealing plates 209. The right side of the air-permeable rotating roller 114 is provided with a cleaning plate 431. The side of the cleaning plate close to the roller surface is pasted with a sticky hair layer 432 by magic tape. The other side of the cleaning plate is provided with a sliding rail 433. The cleaning plate is slidingly connected on the sliding rail.

[0083] As shown in Figure 5 The front of the adjusting air port mechanism 2 is also provided with a filtering mechanism 5. The filtering mechanism 5 is located in the pipeline 120. The filtering mechanism 5 includes a hollow pipe body 51. The top of the pipe body 51 is arranged on the side wall of the pipeline 120 and is in communication with the pipeline 120. The pipe body 51 is provided with a filter screen 52. The filter screen 52 is arranged in the axial direction of the pipe body 51. The filter screen 52 divides the pipe body 51 into two areas. The top of the filter screen 52 is provided with an isolation plate 53. The bottom of the pipe body 51 is threadedly connected with a sealing plate 54.

[0084] Working principle: as Figures 1-13As shown, when using a dry paper making device, the fiber raw material is transported through the feeding conveyor 118 on the feeding port 119, and the fiber raw material first passes through the small spike roller guide roller 130, which rotates clockwise, so that the teeth of the roller comb feed the fiber raw material to the large spike roller guide roller 112, which rotates counterclockwise to press the fiber raw material downward, and the air extractor 117 starts to work, taking the fiber raw material through the air inlet baffle 113, and then adsorbing on the roller surface of the air-permeable rotating roller 114, which rotates clockwise, and then forming a thin paper web through the extrusion of the pressing roller 115, and then being transported to the glue spraying mechanism 4 for glue spraying, and then being dried by the drying roller group 43, and then being wound up to manufacture wormwood paper made of wormwood as raw material. During use, the flow sensor 203 detects the air volume, controls the rotation of the rotating motor 20, thereby controlling the rotation of the rotating disc 23, drives the sliding sheet to slide in the first guide sliding groove 26 and the second guide sliding groove 27, thereby controlling the size of the adjusting port, so that the size of the air port can be automatically adjusted according to the air volume, overcoming the blockage of the pipeline and the output change caused by the aging of the fan during long-term use, thereby solving the problem of uneven adsorption of fibers on the roller surface, making the paper not easy to form a group, and being more uniform.

[0085] Example 2

[0086] Different from example 1, the fiber length of the short wormwood fiber is 2mm, and the amount of latex is 17% of the weight of the fiber raw material.

[0087] Example 3

[0088] Different from example 1, the fiber length of the short wormwood fiber is 3mm, and the amount of latex is 30% of the weight of the fiber raw material.

[0089] Comparative example 1

[0090] S1, pre-dehydration, drying the wormwood for pre-dehydration to remove excess water, usually drying for one to three days, using a steel screen during drying, turning over every three hours, and the drying thickness should not exceed two centimeters;

[0091] S2, dehydration, dehydrating the wormwood by a dehydration device to remove a large amount of water, and controlling the water content to be below 20%, the dehydration device uses a drying box, the wormwood is put into the drying box, and high-temperature cycle drying is carried out for 12 hours, and the wormwood is turned over during drying;

[0092] S3, carbon frying, completely removing the water in the wormwood by carbon frying method, frying until the surface is black to form a wormwood group;

[0093] S4, screening, collecting and storing the larger volume of wormwood groups;

[0094] S5, pretreatment, the artemisia vulgaris group is pretreated, including soaking, cooking or steaming, etc., to soften the artemisia vulgaris group and remove impurities and part of lignin;

[0095] S6, grinding, the artemisia vulgaris group after pretreatment is sent to the grinding machine to grind, and the artemisia vulgaris group is ground into fine fibers; During the grinding process, a proper amount of water can be added to help the separation and refinement of the fibers;

[0096] S7, screening and purification, the artemisia vulgaris pulp after grinding is screened and purified to remove coarse fibers, impurities and dust, etc.; Screen, centrifugal separator and other equipment can be used for screening and purification.

[0097] S8, concentration, the artemisia vulgaris pulp is concentrated to improve its concentration;

[0098] S9, drying, the artemisia vulgaris pulp can be dried into artemisia vulgaris pulp board or artemisia vulgaris pulp powder by using drying equipment, so as to facilitate storage and transportation;

[0099] S10, adsorption, short artemisia vulgaris fibers or a mixture of short artemisia vulgaris fibers and wood pulp fibers are prepared as fiber raw materials; The ratio of artemisia vulgaris fibers to wood pulp fibers is 1:1 or 1-2:1, and then a traditional dry papermaking device is used to form a paper web.

[0100] S11, spraying latex, uniformly spraying latex on the front surface of the paper web;

[0101] S12, drying and setting, the paper web is conveyed to the drying roller group 43 of the papermaking device 1, and the latex on the front surface of the paper web is dried and set;

[0102] S13, winding, the dried and set paper web is wound by a paper winding machine.

[0103] We use the method of light exposure to check. If the fiber distribution is uniform, the paper looks very flat; If the fiber distribution is uneven, there will be problems such as clumping, disconnection of organization, wavy fiber organization, pulp channel, cloud pattern, etc. 100 papers are selected from the papers made by the above embodiments to detect the paper clumping rate.

[0104]

[0105] From the above results, it can be seen that the preparation method of embodiment 1 of the present application has the lowest clumping rate and the most uniform paper.

Claims

1. A paper making process of artemisia fibers from artemisia vulgaris, characterized in that, Comprising the following steps: S1, pre-dewatering, drying the wormwood for pre-dewatering, removing excess water, the sunning time is one to three days, steel mesh is used during drying, turn over every three hours, the drying thickness should not exceed two centimeters; S2, dewatering, dewatering the wormwood through dewatering equipment, removing a large amount of water, controlling the moisture content below 20%, the dewatering equipment uses a drying oven, the wormwood is put into the drying oven, and the wormwood is dried for 10-14 hours through high temperature, and the wormwood is turned over during the drying process; S3, carbon frying, completely removing the moisture in the wormwood through carbon frying method, frying until the surface is black and forming wormwood groups; S4, screening, screening the wormwood, collecting and storing the larger volume wormwood groups; S5, pretreatment, pretreating the wormwood groups, including soaking, cooking or steaming, to soften the wormwood groups and remove impurities and part of the lignin; S6, grinding, sending the pretreated wormwood groups into a grinding machine for grinding, grinding the wormwood groups into fine fibers; S7, screening and purification, screening and purifying the wormwood pulp after grinding, removing coarse fibers, impurities and dust in the wormwood pulp; S8, concentration, concentrating the wormwood pulp to improve its concentration; S9, drying, using drying equipment to dry the wormwood pulp into wormwood pulp board or wormwood pulp powder for storage and transportation; S10, adsorption, preparing short wormwood fibers or a mixture of short wormwood fibers and wood pulp fibers as fiber raw materials, the ratio of wormwood fibers to wood pulp fibers is 1-2:1, then through the action of the suction fan (117) of the dry papermaking device (1), the fiber raw materials are adsorbed on the air-permeable rotating roller (114), and a uniform paper web is formed by pressing; S11, spraying latex, uniformly spraying latex on the front surface of the paper web; S12, drying and setting, conveying the paper web to the drying roller group (43) of the dry papermaking device (1), and drying and setting the latex on the front surface of the paper web; S13, winding, winding the dried and set paper web through the paper winding machine (44); The dry papermaking device comprises a sealed box body (11), a small spike roller guide roller (130), a large spike roller guide roller (112), an air inlet baffle (113), a ventilation rotating roller (114), a pressing roller (115), a guide conveying belt (116), an air extractor (117), a feeding conveying belt (118), an air inlet adjusting mechanism (2) are arranged in the sealed box body (11), a feeding port (119) and an air inlet (110) are formed on the left side of the sealed box body (11) from top to bottom, a discharging port (111) is arranged on the right side of the sealed box body (11), the feeding conveying belt (118) is arranged on the feeding port (119), the air inlet baffle (113) is arranged on the air inlet (110), the small spike roller guide roller (130) is arranged at the tail end of the feeding conveying belt (118), the large spike roller guide roller (112) is arranged on the right side of the small spike roller guide roller (130), the ventilation rotating roller (114) is arranged at the tail end of the air inlet baffle (113), the pressing roller (115) is arranged on the left side of the ventilation rotating roller (114) and above the air inlet baffle (113), the guide conveying belt (116) is arranged above the right side of the ventilation rotating roller (114), the air extractor (117) is arranged on the inner bottom of the sealed box body (11), the air inlet of the air extractor (117) is provided with a pipeline (120), the tail end of the pipeline (120) is fixedly provided with a horn cover (121), the cover opening of the horn cover (121) is tightly combined with the ventilation rotating roller (114), and the pipeline (120) is provided with the air inlet adjusting mechanism (2); The ventilation rotating roller (114) comprises a hollow roller body (206), a rotating shaft (207) is arranged in the middle of the roller body (206), the rotating shaft (207) and the roller body (206) are fixedly connected through a supporting strip (230), a plurality of ventilation holes (208) are formed in the roller surface of the roller body (206), and first sealing plates (209) are arranged at the two ends of the roller body (206). The right side of the ventilation rotating roller (114) is provided with a cleaning plate (431), one side of the cleaning plate (431) close to the roller surface is attached with a sticky hair layer (432) by means of magic tape, the other side of the cleaning plate is provided with a sliding rail (433), and the cleaning plate is slidably connected on the sliding rail.

2. A paper making process from the source of the arundo donax L. according to claim 1, characterized by, The fiber length of the short wormwood fiber is 1-3 mm, and the amount of latex is 3%-30% of the weight of the fiber raw material.

3. A paper making process from the source of the arundo donax L. according to claim 1, characterized by, The adjusting air outlet mechanism (2) comprises a fixed disc (21), a sliding sheet (22) and a rotating disc (23), the fixed disc (21) is fixedly connected with the side wall of the pipeline (120), the rotating disc (23) is arranged below the fixed disc (21), the sliding sheet (22) is arranged between the fixed disc (21) and the rotating disc (23), the middle part of the fixed disc (21) and the rotating disc (23) is provided with an air outlet (24), the tail end of the fixed disc (21) and the sliding sheet (22) is formed with an adjusting port (25) after being spliced, the adjusting port (25) corresponds to the air outlet (24), a plurality of first guide sliding grooves (26) are formed in the fixed disc (21), a plurality of second guide sliding grooves (27) are formed in the rotating disc (23), the top of the sliding sheet (22) is provided with a limiting block (28) matched with the first guide sliding groove (26), and the bottom of the sliding sheet (22) is provided with a limiting pin (29) matched with the second guide sliding groove (27). The rotating disc (23) is rotated by a rotating motor (20), the motor end of the rotating motor (20) is fixed on the side wall of the pipeline (120), the air outlet (24) of the rotating disc (23) is provided with a gear ring (201), the gear ring (201) is engaged with a driving gear (202), the driving gear (202) is fixedly connected with the output end of the rotating motor (20), and the air inlet (110) is provided with a flow sensor (203).

4. A paper making process from the source of the arundo donax L. according to claim 3, characterized by the fact that, The front of the adjusting air outlet mechanism (2) is also provided with a filtering mechanism (5), the filtering mechanism (5) is located in the pipeline (120), the filtering mechanism (5) comprises a hollow pipe body (51), the top of the pipe body (51) is arranged on the side wall of the pipeline (120) and is in communication with the pipeline (120), the pipe body (51) is provided with a filter screen (52), the filter screen (52) is arranged in the axial direction of the pipe body (51), the filter screen (52) divides the pipe body (51) into two regions, the top of the filter screen (52) is provided with an isolation plate (53), and the bottom of the pipe body (51) is threadedly connected with a second sealing plate (54).

5. A paper making process from the source of the arundo donax L. according to claim 3, characterized by the fact that, The end of the limiting pin (29) is fixedly connected with an anti-rotation disc (290) for preventing the rotating disc (23) from being separated from the fixed disc (21).

6. A paper making process from the source of the arundo donax L. according to claim 1, characterized by the fact that, The bottom of the small thorn roller guide roller (130) is provided with a material guide plate (204), and the top of the material guide plate (204) is formed with a groove (205).

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