CN113831748A - Biomass fully-degradable material and preparation process thereof - Google Patents
Biomass fully-degradable material and preparation process thereof Download PDFInfo
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- CN113831748A CN113831748A CN202111127661.7A CN202111127661A CN113831748A CN 113831748 A CN113831748 A CN 113831748A CN 202111127661 A CN202111127661 A CN 202111127661A CN 113831748 A CN113831748 A CN 113831748A
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- 239000000463 material Substances 0.000 title claims abstract description 81
- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010902 straw Substances 0.000 claims abstract description 70
- 239000000843 powder Substances 0.000 claims abstract description 61
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 239000000376 reactant Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 11
- 229920002472 Starch Polymers 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 239000004014 plasticizer Substances 0.000 claims abstract description 10
- 239000008107 starch Substances 0.000 claims abstract description 10
- 235000019698 starch Nutrition 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000007873 sieving Methods 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000007822 coupling agent Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims 5
- 241001330002 Bambuseae Species 0.000 claims 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 5
- 239000011425 bamboo Substances 0.000 claims 5
- 239000002245 particle Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 235000010469 Glycine max Nutrition 0.000 description 3
- 244000068988 Glycine max Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003462 bioceramic Substances 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the field of degradable materials, and discloses a biomass fully-degradable material, which has the technical scheme that the biomass fully-degradable material comprises 30-35 parts of straw powder, 20-30 parts of starch, 3-6 parts of plasticizer, 2-5 parts of lubricant, 1-2 parts of foaming agent, 0.8-2 parts of antioxidant and 5-7 parts of other auxiliary agents; the preparation method comprises the following steps: cleaning and drying straw raw materials, and grinding the straw raw materials into straw powder; sieving the straw powder and conveying the sieved straw powder into a reaction kettle; adding starch, a plasticizer, a lubricant, a foaming agent, an antioxidant, other auxiliaries and water into a hot reaction kettle, and fully mixing to obtain a first reactant; extruding the first reactant in a strip shape to obtain a material strip to be dried; and drying the material strips to be dried, and cutting the material strips to obtain the material master batches.
Description
Technical Field
The invention relates to the field of degradable materials, in particular to a biomass fully-degradable material and a preparation process thereof.
Background
The biodegradable material is a natural or synthetic biomedical material which is continuously degraded in a living organism and absorbed by the organism or discharged out of the body under the action of body fluid, acid and nucleic acid thereof, and finally the implanted material is completely replaced by new tissues. Comprises high molecular materials such as polypeptide, polyamino acid, polyester, polylactic acid, chitin, ossein/gelatin and the like. The P-tricalcium phosphate is one kind of biodegradable bioceramic material, and is used mainly for absorbing suture, medicine carrier, healing material, adhesive and tissue defect repairing material.
Its advantage does: is independent of petroleum and is extracted from organisms; the environmental pollution is reduced, and the waste can be automatically decomposed; conforms to the great trend of environmental protection of products in the world nowadays, and meets the requirements of customers and consumers.
Disclosure of Invention
The invention aims to provide a biomass fully-degradable material and a preparation process thereof, the biomass fully-degradable material is simple in raw material, resistant to high temperature and low temperature, guaranteed in material stability, low in cost and more friendly to environment by adopting a biomass material as a main material, and is beneficial to practical popularization and use.
The technical purpose of the invention is realized by the following technical scheme: a biomass full-degradable material comprises 30-35 parts of straw powder, 20-30 parts of starch, 3-6 parts of a plasticizer, 2-5 parts of a lubricant, 1-2 parts of a foaming agent, 0.8-2 parts of an antioxidant and 5-7 parts of other auxiliary agents.
As a preferred technical scheme of the invention, other auxiliary agents comprise a coupling agent and a filling agent.
A preparation process of a biomass full-degradable material comprises the following steps:
cleaning and drying straw raw materials, and grinding the straw raw materials into straw powder;
sieving the straw powder and conveying the sieved straw powder into a reaction kettle;
adding starch, a plasticizer, a lubricant, a foaming agent, an antioxidant, other auxiliaries and water into a hot reaction kettle, and fully mixing to obtain a first reactant;
extruding the first reactant in a strip shape to obtain a material strip to be dried;
and drying the material strips to be dried, and cutting the material strips to obtain the material master batches.
As a preferred technical scheme of the invention, a crushed material screening mechanism is adopted for screening straw powder, the crushed material screening mechanism comprises a screening hopper, the screening hopper comprises a square screen cylinder and a collecting hopper connected to the bottom of the square screen cylinder, the square screen cylinder comprises a front side plate, a rear side plate, a left side plate and a right side plate which are correspondingly connected, a plurality of layers of screen plates are arranged inside the square screen cylinder, the edges of the screen plates are surrounded with a vibrating frame, the outer sides of the vibrating frame are respectively movably connected with the front side plate, the rear side plate, the left side plate and the right side plate, an anti-blocking mechanism is further arranged in the square screen cylinder at a position corresponding to the upper part of the screen plates, the anti-blocking mechanism comprises a moving rod, a cleaning brush and two moving rails, the moving rails are respectively correspondingly arranged on the inner sides of the front side plate and the rear side plate in parallel, the two ends of the moving rod are correspondingly and slidably connected with the two moving tracks, and the handle part of the cleaning row brush is connected with the bottom of the moving rod; an opening is formed in the position, corresponding to the bristle part of the cleaning row brush, of the right side plate, and an openable baffle is arranged in the opening; and a material receiving box is arranged below the baffle.
As a preferable technical solution of the present invention, moving blocks are provided at both ends of the moving rod, the moving blocks are electric moving blocks matched with the moving track, and the electric moving blocks are provided with a remote controller.
As a preferred technical scheme of the invention, the bottom of the screen hopper is also provided with a material conveying belt for receiving materials, and one end of the material conveying belt is arranged right below an outlet of the aggregate hopper.
As a preferable technical scheme of the invention, a connecting buckle is arranged between the material receiving box and the right side plate.
In a preferred embodiment of the present invention, the sieve plate located on the upper layer has a larger pore size than the sieve plate located on the lower layer.
In conclusion, the invention has the following beneficial effects: the whole biomass fully-degradable material is simple in raw material, resistant to high temperature and low temperature, and guaranteed in stability, and the biomass material is adopted as the main material, so that the cost is low, the environment is protected, and the biomass fully-degradable material is beneficial to actual popularization and use; the preparation process has the advantages of simple steps, easy operation, no technical limit in actual production and low labor cost. Meanwhile, the invention also discloses a crushed material screening mechanism for the straw powder, which can efficiently screen the straw powder, and the screened straw powder has higher quality, thereby being beneficial to improving the quality of the biomass fully-degradable material integrally.
Drawings
FIG. 1 is a process flow diagram of the present invention;
fig. 2 is a schematic structural view of a scrap screening apparatus according to the present invention;
fig. 3 is a schematic view of a cleaning row brush of the debris screening mechanism of the present invention.
In the figure: 1. a square screen cylinder; 2. a collection hopper; 3. a sieve plate; 4. vibrating the frame; 5. a travel bar; 6. cleaning the row brush; 7. a moving track; 8. a moving block; 9. a baffle plate; 10. a material conveyor belt; 11. connecting a buckle; 12. a material receiving box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a biomass full-degradable material which comprises 30-35 parts of straw powder, 20-30 parts of starch, 3-6 parts of a plasticizer, 2-5 parts of a lubricant, 1-2 parts of a foaming agent, 0.8-2 parts of an antioxidant and 5-7 parts of other auxiliary agents. Specifically, the other auxiliary agents comprise a coupling agent and a filling agent.
Corresponding to the biomass fully degradable material, the invention also provides a corresponding preparation process, as shown in figure 1, comprising the following steps:
cleaning and drying the straw powder, and grinding the straw powder into straw powder;
sieving the straw powder and conveying the sieved straw powder into a reaction kettle;
adding starch, a plasticizer, a lubricant, a foaming agent, an antioxidant, other auxiliaries and water into a hot reaction kettle, and fully mixing to obtain a first reactant;
extruding the first reactant in a strip shape to obtain a material strip to be dried;
and drying the material strips to be dried, and cutting the material strips to obtain the material master batches.
Example 1, soybean straw is cleaned, dried, and made into straw powder by a pulverizer; sieving straw powder, adding 33 parts of straw powder, 20 parts of starch, 4 parts of plasticizer, 3 parts of lubricant, 1 part of foaming agent, 1 part of antioxidant, 3 parts of filler, 3 parts of coupling agent and 10 parts of water into a hot reaction kettle, sealing, heating and stirring for 30 minutes to obtain a mixed reactant, transferring the mixed reactant to a screw extruder while the mixed reactant is hot, extruding to obtain strips of a material to be dried, uniformly drying and chopping the strips of the material to be dried to obtain master batches of the material.
Example 2, cleaning and drying soybean straws, and preparing the soybean straws into straw powder by using a pulverizer; sieving straw powder, adding 35 parts of straw powder, 25 parts of starch, 5 parts of plasticizer, 2 parts of lubricant, 2 parts of foaming agent, 1.5 parts of antioxidant, 4 parts of filler, 2 parts of coupling agent and 12 parts of water into a hot reaction kettle, sealing, heating and stirring for 35 minutes to obtain a mixed reactant, transferring the mixed reactant to a spiral extruder while the mixed reactant is hot, extruding to obtain strips of a material to be dried, uniformly drying and chopping the strips of the material to be dried to obtain master batches of the material.
Through the embodiment, the raw materials adopted by the whole biomass fully-degradable material are simple, high-temperature and low-temperature resistant, the stability of the material is ensured, and the biomass material is adopted as the main material, so that the cost is low, the environment is protected, and the biomass fully-degradable material is beneficial to actual popularization and use; the preparation process has the advantages of simple steps, easy operation, no technical limit in actual production and low labor cost.
Specifically, a crushed material screening mechanism is adopted in the screening treatment of the straw powder, as shown in fig. 2 and 3, the crushed material screening mechanism comprises a screening hopper, the screening hopper comprises a square screen cylinder 1 and a collecting hopper 2 connected to the bottom of the square screen cylinder 1, and the collecting hopper 2 is used for centralized discharging, so that the screened straw powder can be conveniently and centrally discharged, and the subsequent process centralized treatment can be conveniently carried out;
the square screen drum 1 comprises a front side plate, a rear side plate, a left side plate and a right side plate which are correspondingly connected, a plurality of layers of screen plates 3 are arranged inside the square screen drum 1, vibration frames 4 are arranged around the edges of the screen plates 3, the outer sides of the vibration frames 4 are respectively movably connected with the front side plate, the rear side plate, the left side plate and the right side plate, vibration motors are arranged inside the vibration frames 4, and space allowance is arranged between the vibration frames 4 and each side plate, so that when the vibration motors are started, enough space can be provided to drive the whole vibration frames 4 and the screen plates 3 to vibrate, and the speed for accelerating screening of straw powder can be achieved;
an anti-blocking mechanism is arranged in the square screen cylinder 1 corresponding to the position above the screen plate 3, the anti-blocking mechanism comprises a moving rod 5, a cleaning row brush 6 and two moving rails 7, the moving rails 7 are respectively arranged on the inner sides of the front side plate and the rear side plate in parallel, two ends of the moving rod 5 are correspondingly and slidably connected with the two moving rails 7, the handle part of the cleaning row brush 6 is connected with the bottom part of the moving rod 5, the brush bristles at the bottom part of the cleaning row brush 6 are directly contacted with the screen plate 3, in an initial state, namely, when the screen plate 3 is not required to be cleaned, the moving rod 5 is positioned at the position closest to the left side plate, when the screen plate 3 is required to be cleaned, the moving rod 5 is pushed to move towards the right side plate, so that the cleaning row brush 6 is driven to move from left to right on the screen plate 3, all the intercepted straw powder on the screen plate 3 is pushed to the direction of the right side plate, an opening is arranged at the position of the right side plate corresponding to the brush bristles of the cleaning row brush 6, the opening is provided with a baffle 9 which can be opened and closed; open-ended top and baffle 9's top are articulated, conveniently push up baffle 9 when the straw powder is pushed to the opening part, make things convenient for the straw powder to fall into and connect workbin 12, baffle 9's below is provided with and connects workbin 12, when the straw powder of being intercepted all is pushed the position of right side board on sieve 3, will push up baffle 9, fall down from open-ended position, drop to and connect workbin 12 to the straw powder that will not conform to straw powder particle diameter requirement all collects, convenient centralized processing.
The straw powder after being crushed is led into the sieve hopper from the top of the square sieve barrel 1, under the action of gravity, the straw powder reaches the sieve plate 3, under the vibration action of the vibration frame 4, the straw powder can vibrate on the sieve plate 3, the straw powder particles smaller than the pore diameter of the sieve plate 3 can fall from the pore diameter of the sieve plate 3, the straw powder particles larger than the pore diameter of the sieve plate 3 can be intercepted on the sieve plate 3, when the intercepted straw powder particles on the sieve plate 3 reach a preset amount, the movable rod 5 can be moved to drive the cleaning brush 6 to move from the position of the left side plate to the direction of the right side plate, under the pushing action of the brush of the cleaning brush 6, the straw powder on the sieve plate 3 is pushed to the edge of the right side plate and falls from the opening of the right side plate to the material receiving box 12, at this time, the straw powder intercepted on the sieve plate 3 can be cleaned and collected, the straw powder larger than the pore diameter of the sieve plate 3 is prevented from being piled on the sieve plate 3, affecting the efficient operation of the screening work.
When the straw powder passes through the sieve holes of the sieve plates 3 and reaches the next layer of sieve plates 3, the straw powder passes through all the sieve plates 3 and reaches the aggregate bin 2, and the straw powder is discharged from the through holes at the bottom of the aggregate bin 2 in a centralized manner; in the process of layer-by-layer sieving, the straw powder is filtered and sieved layer-by-layer, the straw powder with the volume or the particle size reaching the optimal standard can be obtained through all the sieved straw powder, so that the volume and the particle size which are one of the quality standards of the straw powder are considered, the high-standard straw powder is obtained, the treatment of the next link can be facilitated to be smoother, and the quality of the finally obtained microbial inoculum is higher.
Specifically, as shown in fig. 1 and 2, the both ends of carriage release lever 5 are provided with movable block 8, and movable block 8 is the electronic movable block 8 that matches with removal track 7, and electronic movable block 8 disposes the remote controller, is convenient for control the progress of the straw powder of being intercepted on the clean sieve 3, adopts electric control and drive, can make things convenient for actual use more.
Specifically, as shown in fig. 1, the bottom of sieve hopper still disposes the straw powder conveyer belt of accepting the straw powder, and under the export of collecting hopper 2 was located to the one end of straw powder conveyer belt, the convenient straw powder that constantly falls from the 2 exports of collecting hopper carries out lasting transfer to in order to carry out processing on next step.
Specifically, as shown in fig. 1, a connecting buckle 11 is arranged between the material receiving box 12 and the right side plate, so that the material receiving box 12 is convenient to detach and mount, and is convenient for practical use.
Specifically, the sieve pore diameter of the sieve plate 3 on the upper layer is larger than that of the sieve plate 3 on the lower layer, so that the whole straw powder screening speed is accelerated, and the practical application is convenient.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A biomass full-degradable material is characterized in that: comprises 30-35 parts of straw powder, 20-30 parts of starch, 3-6 parts of plasticizer, 2-5 parts of lubricant, 1-2 parts of foaming agent, 0.8-2 parts of antioxidant and 5-7 parts of other auxiliary agents.
2. The biomass fully degradable material as claimed in claim 1, wherein: other auxiliary agents include coupling agents and fillers.
3. A preparation process of a biomass full-degradable material is characterized by comprising the following steps: the method comprises the following steps:
cleaning and drying straw raw materials, and grinding the straw raw materials into straw powder;
sieving the straw powder and conveying the sieved straw powder into a reaction kettle;
adding starch, a plasticizer, a lubricant, a foaming agent, an antioxidant, other auxiliaries and water into a hot reaction kettle, and fully mixing to obtain a first reactant;
extruding the first reactant in a strip shape to obtain a material strip to be dried;
and drying the material strips to be dried, and cutting the material strips to obtain the material master batches.
4. The preparation process of the biomass fully degradable material as claimed in claim 1, which is characterized in that: handle of sieving to straw powder has adopted crushed aggregates screening mechanism, crushed aggregates screening mechanism is including sieving the hopper, sieve the hopper include square sieve section of thick bamboo (1) and connect in collecting hopper (2) of square sieve section of thick bamboo (1) bottom, square sieve section of thick bamboo (1) is including corresponding preceding curb plate, posterior lateral plate, left side board and the right side board of connecting, square sieve section of thick bamboo (1) inside is provided with a plurality of layers of sieve (3), the border of sieve (3) is enclosed and is established and dispose vibrations frame (4), the outside of vibrations frame (4) respectively with preceding curb plate posterior lateral plate left side board and right side board swing joint, the inside vibrating motor that is provided with of vibrations frame (4), correspond in square sieve section of thick bamboo (1) and prevent stifled corresponding to the position of sieve (3) top still is provided with and prevents stifled mechanism, mechanism includes carriage release lever (5), The cleaning device comprises a cleaning row brush (6) and two moving rails (7), wherein the moving rails (7) are correspondingly and parallelly arranged on the inner sides of the front side plate and the rear side plate respectively, two ends of a moving rod (5) are correspondingly and slidably connected with the two moving rails (7), and the handle part of the cleaning row brush (6) is connected with the bottom of the moving rod (5); an opening is formed in the position, corresponding to the bristle part of the cleaning row brush (6), of the right side plate, a baffle (9) capable of being opened and closed is arranged in the opening, and the top of the opening is hinged with the top of the baffle (9); a material receiving box (12) is arranged below the baffle (9).
5. The preparation process of the biomass fully degradable material as claimed in claim 4, which is characterized in that: the two ends of the moving rod (5) are provided with moving blocks (8), the moving blocks (8) are electric moving blocks (8) matched with the moving tracks (7), and remote controllers are arranged on the electric moving blocks (8).
6. The preparation process of the biomass fully degradable material as claimed in claim 5, which is characterized in that: the bottom of the sieve hopper is also provided with a material conveying belt (10) for receiving materials, and one end of the material conveying belt (10) is arranged under the outlet of the aggregate hopper (2).
7. The preparation process of the biomass fully degradable material as claimed in claim 6, which is characterized in that: a connecting buckle (11) is arranged between the material receiving box (12) and the right side plate.
8. The preparation process of the biomass fully degradable material as claimed in claim 7, wherein the preparation process comprises the following steps: the mesh aperture of the sieve plate (3) positioned on the upper layer is larger than that of the sieve plate (3) positioned on the lower layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111127661.7A CN113831748A (en) | 2021-09-26 | 2021-09-26 | Biomass fully-degradable material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111127661.7A CN113831748A (en) | 2021-09-26 | 2021-09-26 | Biomass fully-degradable material and preparation process thereof |
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| CN113831748A true CN113831748A (en) | 2021-12-24 |
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| CN202111127661.7A Pending CN113831748A (en) | 2021-09-26 | 2021-09-26 | Biomass fully-degradable material and preparation process thereof |
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| WO2015196134A1 (en) * | 2014-06-20 | 2015-12-23 | Solazyme, Inc. | Wood composites |
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Application publication date: 20211224 |