CN112553937A - Manufacturing method of three-screw straw devillicating and brooming machine and application of three-screw straw devillicating and brooming machine in production of paper raw materials - Google Patents
Manufacturing method of three-screw straw devillicating and brooming machine and application of three-screw straw devillicating and brooming machine in production of paper raw materials Download PDFInfo
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- CN112553937A CN112553937A CN202011408903.5A CN202011408903A CN112553937A CN 112553937 A CN112553937 A CN 112553937A CN 202011408903 A CN202011408903 A CN 202011408903A CN 112553937 A CN112553937 A CN 112553937A
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- 239000000463 material Substances 0.000 claims abstract description 60
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- 238000000034 method Methods 0.000 claims abstract description 31
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 125000000524 functional group Chemical group 0.000 claims abstract description 5
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
- D21B1/14—Disintegrating in mills
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Abstract
The invention discloses a three-screw straw devillicating and brooming machine, which comprises a feeding unit, a main body unit and a discharging unit, wherein the main body unit comprises a barrel sleeve and screw components, each screw component comprises a mandrel and a working screw block, the working screw blocks are sleeved outside the mandrel, the three groups of screw components are arranged in parallel, the barrel sleeve is of a split structure, the three groups of screw components work simultaneously to generate shearing force and act on materials, and simultaneously generate a large amount of heat energy. The invention also provides an application of the three-screw straw devillicating and brooming machine in the production of paper raw materials, in the process of extracting and splitting the fibers, no water is needed to be added, no harmful substance is discharged, the fermented materials are meshed with the three groups of screw components of the main body unit and rotate in the same direction and at high speed, the series of processes of conveying, mixing, shearing, reacting, extruding, kneading and puffing are completed, the three elements are thoroughly split, the opening of functional groups of the fermented materials is promoted, and the extracted fibers have higher activity and flexibility.
Description
Technical Field
The invention relates to the technical field of papermaking equipment and peripheral supporting facilities thereof, in particular to manufacture of a three-screw straw devillicating and fibrillating machine and application thereof in production of paper raw materials.
Background
The crop straw belongs to a valuable biological resource in an agricultural ecological system, and the high-value conversion and utilization of the straw resource has great significance on promoting the income increase of farmers, environmental protection, safe grain production, resource saving and agricultural sustainable development!
The raw materials for papermaking are mainly plant fiber raw materials which can be broadly summarized into trees, grasses, waste paper and the like. The papermaking process is roughly divided into two major steps: pulping and papermaking, wherein pulping is a process of separating fibers from plant fiber raw materials to obtain paper pulp. Straw is a common papermaking raw material, but because straw pulping generates a large amount of black liquor, the straw cannot be effectively utilized, and the improvement of the pulping process is urgent along with the increase of environmental protection in recent years. And the traditional pulping method mostly uses a reaction kettle for cooking, the reaction kettle is a canned body, steam is introduced to the bottom of the reaction kettle, crushed wheat straws directly enter the reaction kettle, the reaction kettle is cooked at high temperature, the wheat straws are discharged after several hours, pulp is ground and then extruded, and finally finished pulp is discharged from a furnace, so that a large amount of black liquor is brought, the energy consumption is high, the efficiency is low, and the cost is high.
Therefore, how to change the current situation that the working efficiency of paper making and pulping is low and pollution is easy to generate in the prior art becomes a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to provide the manufacturing of a three-screw straw devillicating and brooming machine and the application thereof in the production of paper raw materials, which aims to solve the problems in the prior art, improve the working efficiency of producing the paper raw materials by using straws, realize the clean, green and environment-friendly production of the paper raw materials and serve as the final aim of the invention!
In order to achieve the purpose, the invention provides the following scheme: the invention provides a three-screw straw devillicating and brooming machine, which comprises:
the feeding unit comprises a feeding cylinder and two feeding screws, one end of each feeding screw can rotatably extend into the feeding cylinder, and the two feeding screws are arranged in parallel;
the main body unit comprises a barrel sleeve and screw components, the screw components are rotatably arranged in the barrel sleeve and comprise a mandrel and working screw blocks, the working screw blocks are sleeved outside the mandrel and detachably connected with the mandrel, the mandrel can drive the working screw blocks to rotate, the number of the screw components is three, the three screw components are arranged in parallel, the three screw components rotate in the same direction in a meshing manner, the distance between every two adjacent screw components is 3mm, and the barrel sleeve is of a split structure;
the discharging unit comprises a discharging screw rod and a discharging barrel, and the discharging screw rod is rotatably arranged in the discharging barrel;
the feeding barrel and the discharging barrel are respectively communicated with the barrel sleeve, and are respectively arranged at two ends of the barrel sleeve.
Preferably, the feeding unit further comprises a mounting bracket, the mounting bracket is connected with the top of the feeding cylinder, the bottom of the feeding cylinder is communicated with the cylinder sleeve, a feeding motor is arranged on the mounting bracket, the feeding motor is in transmission connection with one of the feeding screws, and the two feeding screws are in transmission connection by using gears.
Preferably, the working screw block comprises a conveying screw block, a shearing screw block, a mixing screw block, a kneading screw block and a reverse rotation screw block which are sequentially arranged along the direction from the feeding barrel to the discharging barrel.
Preferably, the length-diameter ratio of the working screw block is 10:1, and an involute spline is arranged between the working screw block and the mandrel.
Preferably, a plurality of convex rifling lines are arranged on the inner wall of the barrel sleeve.
Preferably, the barrel casing is divided into 5 sections, and the length of each section is 640 mm; the barrel casing includes drain pan and upper cover, the upper cover rotationally with the drain pan links to each other, screw rod subassembly rotationally set up in the drain pan with in the cavity that the upper cover encloses.
Preferably, the bottom shell is connected with a supporting rod, the upper cover is connected with a connecting rod, one end of the connecting rod is connected with the upper cover, the other end of the connecting rod is connected with a hydraulic rod, the connecting rod is hinged to the supporting rod, a hinged point of the connecting rod and the supporting rod is located between the hydraulic rod and the upper cover, and the hydraulic rod can drive the connecting rod to rotate.
Preferably, one end of the discharging screw rod extends into the barrel sleeve, and the discharging screw rod is positioned at the bottom of the tail end of the screw rod assembly.
Preferably, the screw assembly is connected with a main motor, the main motor is in transmission connection with the screw assembly through a gearbox, and the main motor is connected with the gearbox through a coupler; bearing seats are further arranged at two ends of the barrel sleeve, and the screw rod assembly is rotatably connected with the bearing seats; the discharging screw is connected with a discharging motor, and the discharging motor is connected with the discharging screw in a transmission way.
The invention also provides an application of the three-screw straw devillicating and brooming machine in the production of paper raw materials, firstly, the straws are taken away from the field for collection, storage and transportation, a rubber track self-propelled devillicating and dedusting packer is needed to be used in the field collection and storage process, and the formed square bags or round bags are used as the use standard; after entering a workshop, manually unpacking and then entering a wall-breaking and filament-dividing working section; next, the pH value of the material is adjusted by using a sodium hydroxide or potassium hydroxide aqueous solution, the pH value of the material is 12 after the material is added with an alkaline aqueous solution and rapidly stirred, and the material can achieve the optimal swelling effect; and then, mixing and inoculating the moistened and expanded materials with complex enzyme bacteria under a natural condition, wherein the complex enzyme bacteria and the consumption of the converted ton straws are as follows: 100-300 g of neutral laccase, 80-200 g of microzyme, 60-200 g of acetic acid bacteria, 40-120 g of aspergillus niger and 20-180 g of aspergillus oryzae; the materials which are well wetted and expanded by the inoculated strains and have the water content of 60 percent are wound and coated with films by a winding and packaging machine for anaerobic fermentation treatment, the unpacked fermented materials are conveyed to a feeding unit after 72 hours, then a splitting working section of straw cellulose is carried out on a main body unit, and in the process of extracting fiber and splitting cellulose, no water is needed to be added, and no harmful substances are discharged; during the period, the fermented material rotates at high speed in the same direction through the three groups of screw assemblies, and a series of processes of conveying, mixing, shearing, reacting, extruding, kneading and puffing are completed, so that the three elements of the material are thoroughly split, and the aim of extracting the straw fiber is fulfilled; meanwhile, the materials rotate at a high speed along with the screw assembly in the main body unit, the formed shearing friction force and a large amount of generated heat energy change the molecular structure of the straw fermentation materials, the opening of functional groups is promoted, the functions of modifying trisaccharide are simultaneously realized under the action of a large amount of free radicals, cellulose is 6-carbon sugar, hemicellulose is 5-carbon sugar, lignin is 9-carbon sugar, and the extracted fibers have higher activity and flexibility.
Compared with the prior art, the invention has the following technical effects: the invention discloses a three-screw straw devillicating and brooming machine, which comprises a feeding unit, a main body unit and a discharging unit, wherein the feeding unit comprises a feeding cylinder and two feeding screws, one end of each feeding screw can rotatably extend into the feeding cylinder, the number of the feeding screws is two, and the two feeding screws are arranged in parallel; the main body unit comprises a barrel sleeve and screw components, the screw components are rotatably arranged in the barrel sleeve and comprise a mandrel and working screw blocks, the working screw blocks are sleeved outside the mandrel and detachably connected with the mandrel, the mandrel can drive the working screw blocks to rotate, the number of the screw components is three, the three screw components are arranged in parallel, the three screw components rotate in the same direction in a meshing manner, the distance between every two adjacent screw components is 3mm, and the barrel sleeve is of a split structure; the discharging unit comprises a discharging screw rod and a discharging barrel, and the discharging screw rod is rotatably arranged in the discharging barrel; the feeding unit can convey materials into the barrel sleeve of the main body unit, the three screw assemblies work simultaneously to generate shearing force and act on the materials, a large amount of heat energy is generated simultaneously, straw cellulose, hemicellulose, lignin and the like are fully separated, and the processed materials are output by the discharging unit. The invention also provides an application of the three-screw straw devillicating and brooming machine in the production of paper raw materials, firstly, the straws are taken away from the field for collection and storage, a rubber track self-propelled devillicating and dedusting packer is needed to be used in the field collection and storage process, and the formed square bags or round bags are used as the use standard; after entering a workshop, manually unpacking and then entering a wall-breaking and filament-dividing working section; next, the pH value of the material is adjusted by using a sodium hydroxide or potassium hydroxide aqueous solution, the pH value of the material is about 12 after the material is added with an alkaline aqueous solution and rapidly stirred, and the material can achieve the optimal swelling effect; and then, mixing and inoculating the moistened and expanded materials with complex enzyme bacteria under a natural condition, wherein the complex enzyme bacteria and the consumption of the converted ton straws are as follows: 100-300 g of neutral laccase, 80-200 g of microzyme, 60-200 g of acetic acid bacteria, 40-120 g of aspergillus niger and 20-180 g of aspergillus oryzae; the materials which are well wetted and expanded by the inoculated strains and have the water content of 60 percent are wound and coated with films by a winding and packaging machine for anaerobic fermentation treatment, the unpacked fermented materials are conveyed to a feeding unit after 72 hours, then a splitting working section of straw cellulose is carried out on a main body unit, and in the process of extracting fiber and splitting cellulose, no water is needed to be added, and no harmful substances are discharged; during the period, the fermented material rotates at high speed in the same direction through the three groups of screw assemblies, and a series of processes of conveying, mixing, shearing, reacting, extruding, kneading and puffing are completed, so that the three elements of the material are thoroughly split, and the aim of extracting the straw fiber is fulfilled; meanwhile, the materials rotate at a high speed along with the screw assembly in the main body unit, the formed shearing friction force and a large amount of generated heat energy change the molecular structure of the straw fermentation materials, the opening of functional groups is promoted, the functions of modifying trisaccharide are simultaneously realized under the action of a large amount of free radicals, cellulose is 6-carbon sugar, hemicellulose is 5-carbon sugar, lignin is 9-carbon sugar, and the extracted fibers have higher activity and flexibility.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the three-screw straw devillicating and brooming machine according to the present invention;
FIG. 2 is a schematic view of the three-screw straw devillicating and brooming machine of the present invention in a top view;
FIG. 3 is a schematic structural view of a screw assembly of the three-screw straw devillicating and brooming machine of the present invention;
FIG. 4 is a schematic structural view of a feeding unit of the three-screw straw devillicating and brooming machine of the present invention;
FIG. 5 is a schematic structural view of a discharge unit of the three-screw straw devillicating and fibrillating machine of the present invention;
FIG. 6 is a schematic view of a partial structure of a main unit of the three-screw straw devillicating and brooming machine of the present invention;
FIG. 7 is a schematic structural view of a connecting rod of the three-screw straw devillicating and brooming machine of the present invention;
FIG. 8 is a schematic structural view of a support rod of the three-screw straw devillicating and brooming machine of the present invention;
wherein, 1 is a feeding unit, 101 is a feeding barrel, 102 is a feeding screw, 103 is a mounting bracket, 104 is a feeding motor, 2 is a main unit, 201 is a barrel sleeve, 202 is a screw assembly, 203 is a conveying screw block, 204 is a shearing screw block, 205 is a mixing screw block, 206 is a kneading screw block, 207 is a counter-rotating screw block, 208 is a mandrel, 209 is a bottom shell, 210 is an upper cover, 211 is a connecting rod, 212 is a support rod, 213 is a main motor, 3 is a discharging unit, 301 is a discharging screw, 302 is a discharging barrel, and 303 is a discharging motor.
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.
The invention aims to provide a manufacturing method of a three-screw straw devillicating and brooming machine and application of the three-screw straw devillicating and brooming machine in the production of paper raw materials, so as to solve the problems in the prior art, improve the working efficiency of the paper raw materials manufactured by using straws and avoid any pollution discharge in the production process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-8, wherein fig. 1 is a schematic view of a main view direction of a three-screw straw devillicating and brooming machine of the present invention, fig. 2 is a schematic view of a top view direction of the three-screw straw devillicating and brooming machine of the present invention, fig. 3 is a schematic view of a screw assembly of the three-screw straw devillicating and brooming machine of the present invention, fig. 4 is a schematic view of a feeding unit of the three-screw straw devillicating and brooming machine of the present invention, fig. 5 is a schematic view of a discharging unit of the three-screw straw devillicating and brooming machine of the present invention, fig. 6 is a schematic view of a partial structure of a main body unit of the three-screw straw devillicating and brooming machine of the present invention, fig. 7 is a schematic view of a structure of a connecting rod of the three-screw straw devillicating and brooming machine of the present invention, and fig.
The invention provides a three-screw straw devillicating and brooming machine, which comprises:
the feeding unit 1 comprises a feeding cylinder 101 and two feeding screws 102, wherein one end of each feeding screw 102 can rotatably extend into the feeding cylinder 101, and the two feeding screws 102 are arranged in parallel;
the main body unit 2, the main body unit 2 includes barrel casing 201 and screw assembly 202, the screw assembly 202 is rotatably disposed in the barrel casing 201, the screw assembly 202 includes mandrel 208, work spiral block, the work spiral block is sleeved outside the mandrel 208, the work spiral block is detachably connected with the mandrel 208, the mandrel 208 can drive the work spiral block to rotate, the number of the screw assembly 202 is three, the three screw assemblies 202 are arranged in parallel, the three screw assemblies 202 rotate in the same direction in a meshing manner, the distance between the adjacent screw assemblies 202 is 3mm, and the barrel casing 201 is a split structure;
the discharging unit 3, the discharging unit 3 includes a discharging screw 301 and a discharging barrel 302, the discharging screw 301 is rotatably arranged in the discharging barrel 302;
the feeding barrel 101 and the discharging barrel 302 are respectively communicated with the barrel sleeve 201, and the feeding barrel 101 and the discharging barrel 302 are respectively arranged at two ends of the barrel sleeve 201.
The invention relates to a three-screw straw devillicating and brooming machine, which comprises a feeding unit 1, a main body unit 2 and a discharging unit 3, wherein the feeding unit 1 can convey materials into a barrel sleeve 201 of the main body unit 2, three groups of screw assemblies 202 work simultaneously to generate shearing force and act on the materials, and simultaneously generate a large amount of heat energy, so that straw cellulose, hemicellulose, lignin and the like are fully disassembled, and the processed materials are output by the discharging unit 3. In the embodiment, the control mode of interlocking joint control is adopted, the feeding unit 1 and the main unit 2 are interlocked, the feeding unit 1 can be started only after the main unit 2 is started, and the feeding unit 1 is stopped when the main unit 2 is stopped due to reasons. The three-screw straw devillicating and brooming machine is also provided with a pressure monitoring element, when the pressure is excessive, the main body unit 2 and the feeding unit 1 stop working, and when the power supply has faults of overcurrent, undervoltage, phase failure and the like, the main body unit 2 and the feeding unit 1 stop working.
The feeding unit 1 further comprises a mounting bracket 103, the mounting bracket 103 is connected with the top of the feeding cylinder 101, the bottom of the feeding cylinder 101 is communicated with the cylinder sleeve 201, a feeding motor 104 is arranged on the mounting bracket 103, the feeding motor 104 is in transmission connection with one of the feeding screws 102, and the two feeding screws 102 are in transmission connection through gears. The mounting bracket 103 is arranged to provide stable support for the feeding screws 102 and the feeding motor 104, the feeding motor 104 drives the two feeding screws 102 to rotate by using gears, the acting area of the feeding unit 1 is enlarged, and the material conveying speed and the conveying efficiency are improved.
The working screw blocks comprise a conveying screw block 203, a shearing screw block 204, a mixing screw block 205, a kneading screw block 206 and a reverse rotation screw block 207 which are sequentially arranged along the direction from the feeding barrel 101 to the discharging barrel 302. The three sets of screw assemblies 202 rotate in the same direction, improving the working efficiency. In order to achieve different purposes in different working stages along the direction from the feeding barrel 101 to the discharging barrel 302, the thread direction, thread pitch and thread thickness of the working screw block of the present invention are different, and can be set according to actual needs, in this embodiment, the gap between adjacent screw assemblies 202 is 3mm, and the thread thickness of the working screw block is 12.16-27 mm.
In the specific embodiment, the diameter of the working screw block is 320mm, the length-diameter ratio is 10:1, an involute spline is arranged between the working screw block and the mandrel 208, the involute spline is high in strength and strong in bearing capacity, the torque of the mandrel 208 can be effectively transmitted to the working screw block, the dismounting is convenient, and the normal operation of the device is ensured. The material of the working screw block is high-quality high-speed tool steel 38GrMoAlA (HV950-1050), and the high-temperature vacuum quenching heat treatment is carried out; integral hardness: HRC60-64, the working screw block is manufactured by a machining center and is formed and ground by a curved surface; the mandrel 208 is made of high-quality alloy steel 40CrNiMoA with high toughness, high bending resistance and high strength, and the hardening and tempering hardness is HB 300-350. The end of the mandrel 208 is connected with the thread of the nut, which ensures the connection is tight.
In order to rotate the screw assembly 202 in a predetermined path, a plurality of convex rifling lines are provided on the inner wall of the sleeve 201.
Specifically, barrel casing 201 divide into 5 sections, and the length of each section is 640mm, and barrel casing 201 is split type structure, makes things convenient for the dismouting, is convenient for the clearance to maintain, and in this particular embodiment, barrel casing 201 includes drain pan 209 and upper cover 210, and upper cover 210 rotationally links to each other with drain pan 209, and upset upper cover 210 can "open" the inner chamber of barrel casing 201, and screw rod set 202 rotationally sets up in the cavity that drain pan 209 and upper cover 210 enclose.
More specifically, bottom shell 209 is connected with branch 212, and upper cover 210 is connected with connecting rod 211, and the one end of connecting rod 211 links to each other with upper cover 210, and the other end of connecting rod 211 is connected with the hydraulic stem, and connecting rod 211 still is articulated with branch 212, and the pin joint of connecting rod 211 and branch 212 is located between hydraulic stem and upper cover 210, and the hydraulic stem can drive connecting rod 211 and rotate. The hydraulic stem is flexible can drive connecting rod 211 and rotate around branch 212 to drive upper cover 210 and close and open, be convenient for clear up the interior material of barrel casing 201, and maintain spare part, improve the simple operation nature, alleviate staff's work burden.
In addition, one end of the discharging screw rod 301 extends into the barrel sleeve 201, and the discharging screw rod 301 is located at the bottom of the screw rod assembly 202, so that smooth and thorough output of materials is guaranteed, and the material utilization rate is improved.
It should also be noted that the screw assembly 202 is connected with a main motor 213, the main motor 213 is connected with a gearbox, the power of the main motor 213 is 280kW, the 6-level variable frequency speed regulation is realized, the gearbox and the main motor 213 are in a direct connection mode, the speed ratio of the gearbox is 5:3, the rotating speed of an input shaft of the gearbox is 0-1500rpm, the rotating speed of an output shaft of the gearbox is 0-300rpm, a gear of the gearbox is made of high-quality alloy materials, the precision is manufactured according to the precision of an ISO1328-1995 cylindrical gear, and all the gears adopt carburized and quenched. The gear is trimmed by adopting special gear grinding software, so that the strength of the gear is ensured, the tooth direction load is uniform, the strength is high, the noise is low, and the vibration is low. The gearbox evenly distributes the torque of the main motor 213 to the three groups of screw assemblies 202 and transmits the torque to the mandrel 208, bearing seats are further arranged at two ends of the barrel sleeve 201, the screw assemblies 202 are rotatably connected with the bearing seats, and the bearing seats can support the screw assemblies 202 and ensure the smooth rotation of the screw assemblies 202; the discharging screw 301 is connected with a discharging motor 303, the power of the discharging motor 303 is 5.5kW, the discharging motor 303 is in transmission connection with the discharging screw 301, the diameter of the discharging screw 301 is 320mm, the length-diameter ratio is 4:1, and the normal work of the discharging screw 301 is guaranteed.
According to the three-screw straw devillicating and brooming machine, the three screw assemblies 202 work simultaneously to generate shearing force and act on materials, and simultaneously generate a large amount of heat energy, so that straw cellulose, hemicellulose, lignin and the like are fully disassembled, and the processed materials are output by the discharging unit 3; the straw papermaking raw material is not required to be subjected to alkali cooking and is not discharged at all, the clean papermaking raw material process is really realized, the fiber extraction rate is more than 80 percent and is about 3 times higher than that of the traditional process, the beating degree value reaches 45.2 DEG SR, the straw utilization rate is improved, and the problem of high-value straw conversion in China is solved.
The invention further provides the application of the three-screw straw devillicating brooming machine in the production of paper raw materials. At this time, the water content of the fiber is more than 70%, and the loss is about 30%. Dewatering is very difficult and costly to achieve dry fiber. In the conventional fiber manufacturing method, the consumption of electric energy accounts for one third of the whole cost. If the drying cost is added, the electric energy accounts for 50 percent. In addition, the requirement of environmental protection can not be met, because the energy consumption is large, the environmental protection can not reach the standard, and the fiber extraction rate is also lower. So the state has little support to the traditional fiber. The invention breaks through the traditional method for preparing the extracted fiber, is not only suitable for all the gramineous plants to extract the fiber paper raw materials, but also suitable for the woody plants to extract the fiber paper raw materials, and the raw materials are preferably as follows: rice straw, wheat straw, reed, bagasse, wild rice stem leaves, cattail, corn straw and the like. The more specific process steps taking straw as an example are as follows:
firstly, the rice straws are transported and stored away from the field, a rubber crawler self-propelled wire-dividing dust-removing packer (sold in the market) is needed to be used in the process of field storage, and the formed square bags or round bags are used as the use standard; after entering a workshop, manual unpacking is carried out, and then the cell wall breaking and filament separating workshop section is entered, wherein the cell wall breaking and filament separating machine can be bought in the agricultural machinery market. And (3) next, performing a pH value adjustment stage on the straw wall-breaking and shredding material by using a sodium hydroxide or potassium hydroxide aqueous solution, and adding an alkaline aqueous solution into the material to rapidly stir the material, wherein the pH value reaches about 12, and the material can achieve the optimal swelling effect. The following steps are that the well-moistened materials are stirred under natural conditions to be mixed and inoculated with the compound enzyme bacteria, the compound enzyme bacteria and the use amount of the converted ton of the straw stalks are as follows: and (3) neutral laccase: 300 g, yeast: 200 g, acetic acid bacteria: 200 g, aspergillus niger: 120 g, aspergillus oryzae: 180 grams. (the enzyme-bacterium preparations related to the formula are sold on the market), the materials which are well moistened and expanded after inoculation and have the water content of about 60 percent are wound, coated and anaerobically fermented by a winding and packaging machine (sold on the market), the compound enzyme-bacterium proportion is the optimal formula and the use method for the best effect of enzyme-hydrolyzing and cutting the chains of lignin, cellulose, hemicellulose and other components of different types of straws in the anaerobic fermentation process by technicians in the field, and the formula and the use method belong to the protection scope of the invention! After 72 hours, the unpacked fermented materials are conveyed to a feeding unit, and then a splitting working section of straw three elements is carried out on the main body unit 2, no water is needed to be added in the process of extracting the fiber and splitting the three elements, and no harmful substances are discharged. During the period, the fermented material rotates at high speed in the same direction through the three groups of screw assemblies, and a series of processes of conveying, mixing, shearing, reacting, extruding, kneading and puffing are completed, so that the three elements of the material are thoroughly split, and the aim of extracting the straw fiber is fulfilled; simultaneously the material rotates along with screw assembly 202 is high-speed in main unit 2, and the shear friction that forms, a large amount of heat energy of production make straw fermentation material molecular structure change, have promoted opening of functional group, under a large amount of free radicals effects, play the effect of modified trisaccharide simultaneously, and the trisaccharide is, and the cellulose is 6 carbon sugar, and hemicellulose is: the 5-carbon sugar and the lignin are as follows: a 9 carbon sugar. The extracted fiber is more active and flexible.
The implementation of the technical scheme has the greatest advantages of energy conservation, 850kW of installed capacity of a fiber production line producing 100 tons of fibers per day, 115 yuan/ton of power consumption cost for producing each ton of fibers, no emission and no problem of environmental protection which does not reach the standard. Compared with the traditional method for manufacturing the fibers, the electricity consumption is reduced by 50%, the drying cost is the most difficult problem to solve in the traditional method for manufacturing the fibers, and if more than 50% of moisture is removed, the drying cost is very high, so that the cost for extracting the paper fiber raw materials by the traditional process is extremely high.
The invention also has the breakthrough that the drying system adopts novel high-carbon alcohol clean energy as a drying medium, the hot air drying is realized, the emission is avoided, and the national environmental protection requirement is completely met, because the hot air circulation drying is utilized, the drying cost is 150 yuan per ton of fiber, and through the drying method, because the novel high-carbon alcohol clean energy is high in high calorific value released during the combustion, and the heat source does not have smoke and dust emission, the fiber is not discolored and has no impurities, and simultaneously, the cell walls of partial fibers can be closed, and the water absorption capacity is reduced.
By implementing the invention, the obtained process principle is that the phytotrixin is split by a method combining a biological fermentation enzymolysis technology and mechanical force splitting. The extracted fiber paper has the characteristics of high raw material strength, good toughness, large beating degree value, high fiber extraction rate and the like, completely achieves original uniqueness and operational feasibility, and reduces the processing cost by about 30 percent compared with the traditional method. The detection result of the national center for electrochemical and spectral research and analysis proves that the obtained straw fiber paper raw material completely reaches the application standard of paper making! The quality reaches the following indexes:
1. brightness (whiteness): 60 percent.
2. Hardness: 16K.
3. Folding strength: and 45 times.
4. Tear index: 5.2mN.m2/g。
5. Tensile index: 62 N.m/g.
6. Click rate value: 45.2 ° SR.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A three-screw straw devillicating and brooming machine is characterized by comprising:
the feeding unit comprises a feeding cylinder and two feeding screws, one end of each feeding screw can rotatably extend into the feeding cylinder, and the two feeding screws are arranged in parallel;
the main body unit comprises a barrel sleeve and screw components, the screw components are rotatably arranged in the barrel sleeve and comprise a mandrel and working screw blocks, the working screw blocks are sleeved outside the mandrel and detachably connected with the mandrel, the mandrel can drive the working screw blocks to rotate, the number of the screw components is three, the three screw components are arranged in parallel, the three screw components rotate in the same direction in a meshing manner, the distance between every two adjacent screw components is 3mm, and the barrel sleeve is of a split structure;
the discharging unit comprises a discharging screw rod and a discharging barrel, and the discharging screw rod is rotatably arranged in the discharging barrel;
the feeding barrel and the discharging barrel are respectively communicated with the barrel sleeve, and are respectively arranged at the front end and the rear end of the barrel sleeve.
2. The three-screw straw devillicating and brooming machine according to claim 1, wherein: the feeding unit further comprises a mounting support, the mounting support is connected with the top of the feeding cylinder, the bottom of the feeding cylinder is communicated with the cylinder sleeve, a feeding motor is arranged on the mounting support and is in transmission connection with one of the feeding screws, and the two feeding screws are in transmission connection through gears.
3. The three-screw straw devillicating and brooming machine according to claim 1, wherein: the working screw block comprises a conveying screw block, a shearing screw block, a mixing screw block, a kneading screw block and a reverse-rotation screw block which are sequentially arranged along the direction from the feeding barrel to the discharging barrel.
4. The three-screw straw devillicating and brooming machine according to claim 3, wherein: the length-diameter ratio of the working screw block is 10:1, and an involute spline is arranged between the working screw block and the mandrel.
5. The three-screw straw devillicating and brooming machine according to claim 1, wherein: the inner wall of the barrel sleeve is provided with a plurality of convex rifling lines.
6. The three-screw straw devillicating and brooming machine according to claim 1, wherein: the barrel sleeve is divided into 5 sections, and the length of each section is 640 mm; the barrel casing includes drain pan and upper cover, the upper cover rotationally with the drain pan links to each other, screw rod subassembly rotationally set up in the drain pan with in the cavity that the upper cover encloses.
7. The three-screw straw devillicating and brooming machine according to claim 6, wherein: the bottom shell is connected with a supporting rod, the upper cover is connected with a connecting rod, one end of the connecting rod is connected with the upper cover, the other end of the connecting rod is connected with a hydraulic rod, the connecting rod is hinged to the supporting rod, a hinged joint of the connecting rod and the supporting rod is located between the hydraulic rod and the upper cover, and the hydraulic rod can drive the connecting rod to rotate.
8. The three-screw straw devillicating and brooming machine according to claim 1, wherein: one end of the discharging screw rod extends into the barrel sleeve, and the discharging screw rod is located at the bottom of the screw rod assembly.
9. The three-screw straw devillicating and brooming machine according to claim 1, wherein: the screw rod assembly is connected with a main motor, the main motor is in transmission connection with the screw rod assembly through a gearbox, and the main motor is connected with the gearbox through a coupler; bearing seats are further arranged at two ends of the barrel sleeve, and the screw rod assembly is rotatably connected with the bearing seats; the discharging screw is connected with a discharging motor, and the discharging motor is connected with the discharging screw in a transmission way.
10. The application of the three-screw straw devillicating and brooming machine as claimed in any one of the claims 1 to 9 in the production of paper raw materials is characterized in that: firstly, the straws are transported away from the field, and a rubber crawler self-propelled wire-dividing dust-removing packaging machine is used in the process of field transportation, and the formed square or round bags are used as the standard; after entering a workshop, manually unpacking and then entering a wall-breaking and filament-dividing working section; next, the pH value of the material is adjusted by using a sodium hydroxide or potassium hydroxide aqueous solution, the pH value of the material is 12 after the material is added with an alkaline aqueous solution and rapidly stirred, and the material can achieve the optimal swelling effect; and then, mixing and inoculating the moistened and expanded materials with complex enzyme bacteria under a natural condition, wherein the complex enzyme bacteria and the consumption of the converted ton straws are as follows: 100-300 g of neutral laccase, 80-200 g of microzyme, 60-200 g of acetic acid bacteria, 40-120 g of aspergillus niger and 20-180 g of aspergillus oryzae; the materials which are well wetted and expanded by the inoculated strains and have the water content of 60 percent are wound and coated with films by a winding and packaging machine for anaerobic fermentation treatment, the unpacked fermented materials are conveyed to a feeding unit after 72 hours, then a splitting working section of straw cellulose is carried out on a main body unit, and in the process of extracting fiber and splitting cellulose, no water is needed to be added, and no harmful substances are discharged; during the period, the fermented material rotates at high speed in the same direction through the three groups of screw assemblies, and a series of processes of conveying, mixing, shearing, reacting, extruding, kneading and puffing are completed, so that the three elements of the material are thoroughly split, and the aim of extracting the straw fiber is fulfilled; meanwhile, the materials rotate at a high speed along with the screw assembly in the main body unit, the formed shearing friction force and a large amount of generated heat energy change the molecular structure of the straw fermentation materials, the opening of functional groups is promoted, the functions of modifying trisaccharide are simultaneously realized under the action of a large amount of free radicals, cellulose is 6-carbon sugar, hemicellulose is 5-carbon sugar, lignin is 9-carbon sugar, and the extracted fibers have higher activity and flexibility.
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Effective date of registration: 20240111 Address after: 136600 Group 4, Xiyuan Village, Yunding Town, Dongliao County, Liaoyuan City, Jilin Province Applicant after: Zheng Weizhong Applicant after: Liaoning Wenhui Biological New Materials Technology Co.,Ltd. Applicant after: Chen Hongliang Address before: 136606 group 4, Xiyuan village, Yunding Town, Dongliao County, Liaoyuan City, Jilin Province Applicant before: Zheng Dayang |