CN103433994A - Technology for utilizing abandoned agaric bags to make plates through hot pressing - Google Patents

Technology for utilizing abandoned agaric bags to make plates through hot pressing Download PDF

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Publication number
CN103433994A
CN103433994A CN201310355922XA CN201310355922A CN103433994A CN 103433994 A CN103433994 A CN 103433994A CN 201310355922X A CN201310355922X A CN 201310355922XA CN 201310355922 A CN201310355922 A CN 201310355922A CN 103433994 A CN103433994 A CN 103433994A
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CN
China
Prior art keywords
auricularia auriculajudae
hot pressing
auriculajudae bag
discarded
bag
Prior art date
Application number
CN201310355922XA
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Chinese (zh)
Inventor
曹永忠
郝明静
Original Assignee
长白山保护开发区绿源环保科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 长白山保护开发区绿源环保科技有限公司 filed Critical 长白山保护开发区绿源环保科技有限公司
Priority to CN201310355922XA priority Critical patent/CN103433994A/en
Publication of CN103433994A publication Critical patent/CN103433994A/en

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Abstract

The invention relates to the technical field of non-wood based panel production, in particular to a technology for utilizing abandoned agaric bags to make plates through hot pressing. According to the technology, 30% of soybean straw is added to contents in the abandoned agaric bags, after the mixture is smashed and dried, a certain amount of urea resin and a certain number of additives are added, stirring, mat formation and hot pressing are conducted on the mixture, and then an artificial plate which meets the standards is formed. According to the technology, the contents in the abandoned agaric bags can be effectively used, the environment is not polluted in the production process, the production efficiency is high, and large-scale industrialized production is facilitated, the thickness of the produced artificial plate is adjustable, the density ranges from 0.7g/cm3 to 0.8g/cm3, the static bending intensity reaches up to 10MPa, and the artificial plate can be sawn, nailed, planed and bonded in an adhesive mode, can be widely applied to the artificial plate transport package industry, the paper plant tray packaging industry and the like, and has excellent economic and social benefits.

Description

A kind of discarded auricularia auriculajudae bag hot pressing plate technique
Technical field
The present invention relates to non-wood based panel's production technical field, especially a kind of discarded auricularia auriculajudae bag hot pressing plate technique.
Background technology
Minimizing along with timber resources, utilize non-wood manufacture of materials wood-based plate imperative, but how to develop the sheet material that intensity is high, performance is good, simultaneously can accomplish again to draw materials conveniently, technique simply, effectively enhance productivity, avoid contaminated environment, reduce production costs extremely important.Existing non-wood based panel generally adopts sawdust, peanut shell, plant straw etc., these materials or there is other purposes, such as being used as livestock feed after processing, there is very high fuel value, can be processed as fuel slug or spray combustion powder, be prepared as merely wood-based plate, economic benefit is not ideal enough.
Bag cultivation auricularia auriculajudae gets more and more and becomes the project that the forest zone common people get rich, as everyone knows, in the cultivation of auricularia auriculajudae, need to use the growth course that the raw materials such as cotton seed hull, plant straw are mushroom to provide nutrient to supply with, after mushroom has been gathered, these growth substrates by fermentation, the biochemical process such as humic, changed the structure of wood materials, calorific capacity reduces greatly, and use is not enough to act as a fuel, a large amount of discarded auricularia auriculajudae bags are piled up everywhere simultaneously, can cause serious environmental pollution.
With manufacture of materials people's producing material plates such as peanut shell, plant straws the time, core technology is the raw material boiling pond of packing into, adds running water by raw material soaking, then directly passes into steam, make raw material boiling in pond within 25~30 minutes, make it softening, send into crowded mill, through squeezing to grind, remove moisture, send into the fiber that pulverizer is pulverized 0.8~3.5cm, through rinsing decontamination, deliver to preform machine and spread out into blank flat, by blank flat thickness trisection, make artificial plate after hot-pressing processing.
The physical characteristic of discarded auricularia auriculajudae bag content is all not identical with materials such as peanut shell, plant straws, extrudes the sheet material technology after traditional chemical modification and is not suitable for the making sheet of auricularia auriculajudae bag content.Existing artificial mask-making technology, substantially be not suitable for the processing making sheet of discarded auricularia auriculajudae bag content, especially be difficult to the panel density and the MOR that reach applicable, this has just had a strong impact on the scope of application of discarded auricularia auriculajudae bag sheet material, need to carry out innovation, the Improvement and perfection of technology.
Hot pressing artificial plate involved in the present invention, use Lauxite as additive to the slag charge glue mixing, Lauxite is generally water-soluble resin, more easily solidify, non-toxic after solidifying, colourless, light resistance good, long-term use nondiscolouring, also nondiscolouring during thermoforming, can add various colouring agents to prepare the goods of various lovely lusters.
Summary of the invention
The objective of the invention is provides a kind of discarded auricularia auriculajudae bag hot pressing plate technique in order to overcome above-mentioned technical disadvantages.
The technical scheme that technical solution problem of the present invention adopts is: a kind of discarded auricularia auriculajudae bag hot pressing plate technique, discarded auricularia auriculajudae bag content is mixed with 30% soybean straws, after pulverizing, drying, add a certain amount of Lauxite and additive, through stirring, mat formation, hot pressing, make qualified artificial plate.
The thickness of described artificial plate is 8~12mm.
The density of described artificial plate is 0.7~0.8g/cm 3.
The MOR of described artificial plate is 10~13MPA.
A kind of discarded auricularia auriculajudae bag hot pressing plate technique, the steps include:
1) on-the-spot in discarded auricularia auriculajudae bag purchase, discarded auricularia auriculajudae bag is carried out primary dcreening operation, smashes;
Give up and fill the tubular polybag that the auricularia auriculajudae bag is a kind of sealing two ends, inside is filled with nutrient matrix, for guaranteeing follow-up comminution process, needs first to discarded auricularia auriculajudae bag, allowance for bark.After allowancing for bark, adopt simple physical means to smash the substrate material lumpd, fragment carries out primary dcreening operation, removes serious mildew and rot impurity.
2) auricularia auriculajudae bag content is pulverized, formed auricularia auriculajudae bag waste particle, processing site is transported in pack back;
The substrate material fragment of process primary dcreening operation, through pulverizer, is pulverized the waste particle into diameter 0.2~1.5cm
3) soybean straws of auricularia auriculajudae bag waste particle and 30% is mixed, pulverize as mixing slag charge;
At compounding process, add the ratio of soybean straws, select in principle 30%, also can be finely tuned according to the quality requirement of making sheet and the difference of purposes.After auricularia auriculajudae bag waste particle and soybean straws particle batch mixing, drop into Mixing Machine and mixed thoroughly operation, generally, mixing time should be lower than 25 minutes, so that auricularia auriculajudae bag waste particle and soybean straws particle fully mix.
Hybrid particles after mixing drops into pulverizer and further pulverizes.
Pulverizing in this operation is fine powder, and the mixing slag charge particle diameter after pulverizing is 0.1~0.3cm.
4) dried mixing slag charge, made its water content<8%;
Due to residual certain moisture in discarded auricularia auriculajudae bag content, the mixing slag charge particle humidity after the previous step fine powder is larger, in operation process, easily hardens, and can have a strong impact on next step glue mixing operation, therefore will to mixing slag charge, be dried in advance.
Dry and generally to carry out in dryer, the mixing slag charge after oven dry, water content be controlled at 8% or below.
5) will mix slag charge and drop into glue mixer, and add a certain amount of Lauxite and additive, and stir 10 minutes, the consumption of Lauxite and additive can determine according to the quality requirement of institute's pressed sheet;
In the glue mixing operation, according to quality requirement and the purposes of making sheet, can be regulated the ratio of Lauxite and additive.
Lauxite can be used injecting glue machinery directly to inject and mix slag charge, and stirring remains a constant speed in injection process.
Additive is selected according to the purposes of required pressed sheet, as aromatic, coloring agent or other additive, such as, for improving the tack of Lauxite, can add the modifier such as polyvinyl alcohol, polyethylene glycol, CMC, but these material prices are higher, therefore can select starchy material, especially starch just adds in the synthetic beginning of Lauxite, better effects if.In building-up process, hydrolysis may occur in starch, generates various dextrin etc., and because the starch relative molecular mass is very large, after dissolving, viscosity is also very large, adds on a small quantity and just can make the Lauxite that viscosity is larger.Simultaneously the hydroxyl on starch molecular chain, methylol and the aldehyde radical that produces because of hydrolysis etc. may participate in the synthetic reaction of Lauxite, have not only improved tack, and adhesive strength and storage stability also are improved.
6), after the hot press inner sleeve installs template, by mixing slag charge, evenly be laid on the pressing plate of hot press;
Existing platen-press mainly is applicable to the compacting of beaver board, and the limited space between a plurality of pressing plates, to discarded auricularia auriculajudae bag content particle involved in the present invention, soybean straws particle inapplicable, need to be improved existing press.
For improving making sheet efficiency and making sheet quality, adopt the multi-layer planar hot press, add the distance between large plate, using the power source of hydraulic jack as horizontal drive parts, vertical drive parts, the hydraulic jack force value is adjusted to 1250~1300 tons, and pressing plate pressure is adjusted into 3.5MPA.
7) ejecting plate.
After hot-forming, by the ejecting plate dolly, carry out the ejecting plate operation.
The beneficial effect that the present invention has is: making sheet technology of the present invention can effectively be utilized discarded auricularia auriculajudae bag content, non-environmental-pollution in process of production, production efficiency is high, is applicable to large-scale industrial production, the artificial plate thickness of producing is adjustable, and density reaches 0.7~0.8g/cm 3, MOR is up to 10MPA, can saw, can follow closely, can dig, can be bonding, can be widely used in wood-based plate transportation and packing, paper plant's packaging pallet and other packing business, has splendid economic and social benefit.
The accompanying drawing explanation
Accompanying drawing 1 is process chart of the present invention.
Accompanying drawing 2 is heating platen finished product schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing 1,2 couples of the present invention of accompanying drawing, be described below.
As shown in Figure 1 and Figure 2, the present invention will discard auricularia auriculajudae bag content and mix with 30% soybean straws, pulverize, after drying, add a certain amount of Lauxite and additive, through stirring, mat formation, hot pressing, make qualified artificial plate; The density that the thickness of described artificial plate is the described artificial plate of 8~12mm is 0.7~0.8g/cm 3; The MOR of described artificial plate is 10~13MPA.
The steps include:
1) on-the-spot in discarded auricularia auriculajudae bag purchase, discarded auricularia auriculajudae bag is carried out primary dcreening operation, smashes;
Give up and fill the tubular polybag that the auricularia auriculajudae bag is a kind of sealing two ends, inside is filled with nutrient matrix, for guaranteeing follow-up comminution process, needs first to discarded auricularia auriculajudae bag, allowance for bark.After allowancing for bark, adopt simple physical means to smash the substrate material lumpd, fragment carries out primary dcreening operation, removes serious mildew and rot impurity.
2) auricularia auriculajudae bag content is pulverized, formed auricularia auriculajudae bag waste particle, processing site is transported in pack back;
The substrate material fragment of process primary dcreening operation, through pulverizer, is pulverized the waste particle into diameter 0.2~1.5cm
3) soybean straws of auricularia auriculajudae bag waste particle and 30% is mixed, pulverize as mixing slag charge;
At compounding process, add the ratio of soybean straws, select in principle 30%, also can be finely tuned according to the quality requirement of making sheet and the difference of purposes.After auricularia auriculajudae bag waste particle and soybean straws particle batch mixing, drop into Mixing Machine and mixed thoroughly operation,
Generally, mixing time should be lower than 25 minutes, so that auricularia auriculajudae bag waste particle and soybean straws particle fully mix.
Hybrid particles after mixing drops into pulverizer and further pulverizes.
Pulverizing in this operation is fine powder, and the mixing slag charge particle diameter after pulverizing is 0.1~0.3cm.
4) dried mixing slag charge, made its water content<8%;
Due to residual certain moisture in discarded auricularia auriculajudae bag content, the mixing slag charge particle humidity after the previous step fine powder is larger, in operation process, easily hardens, and can have a strong impact on next step glue mixing operation, therefore will to mixing slag charge, be dried in advance.
Dry and generally to carry out in dryer, the mixing slag charge after oven dry, water content be controlled at 8% or below.
5) will mix slag charge and drop into glue mixer, and add a certain amount of Lauxite and additive, and stir 10 minutes, the consumption of Lauxite and additive can determine according to the quality requirement of institute's pressed sheet;
In the glue mixing operation, according to quality requirement and the purposes of making sheet, can be regulated the ratio of Lauxite and additive.
Lauxite can be used injecting glue machinery directly to inject and mix slag charge, and stirring remains a constant speed in injection process.
Additive is selected according to the purposes of required pressed sheet, as aromatic, coloring agent or other additive, such as, for improving the tack of Lauxite, can add the modifier such as polyvinyl alcohol, polyethylene glycol, CMC.
In the present embodiment, select 2.5% starch to improve the tack of Lauxite, add 1% a-cellulose powder to reduce the shrinkage of pressboard, add 0.25% polyvinyl alcohol and polyvinyl acetate emulsion to reduce the fragility of pressboard, the resistance to water that adds 0.3% melamine and alkylamine to improve pressboard.
6), after the hot press inner sleeve installs template, by mixing slag charge, evenly be laid on the pressing plate of hot press;
Existing platen-press mainly is applicable to the compacting of beaver board, and the limited space between a plurality of pressing plates, to discarded auricularia auriculajudae bag content particle involved in the present invention, soybean straws particle inapplicable, need to be improved existing press.
For improving making sheet efficiency and making sheet quality, adopt the multi-layer planar hot press, add the distance between large plate, using the power source of hydraulic jack as horizontal drive parts, vertical drive parts, the hydraulic jack force value is adjusted to 1250~1300 tons, and pressing plate pressure is adjusted into 3.5MPA.
7) ejecting plate.After hot-forming, by the ejecting plate dolly, carry out the ejecting plate operation.

Claims (5)

1. a discarded auricularia auriculajudae bag hot pressing plate technique, it is characterized in that: will discard auricularia auriculajudae bag content and mix with 30% soybean straws, and after pulverizing, drying, add a certain amount of Lauxite and additive, through stirring, mat formation, hot pressing, make qualified artificial plate.
2. a kind of discarded auricularia auriculajudae bag hot pressing plate technique according to claim 1, it is characterized in that: the thickness of described artificial plate is 8~12mm.
3. a kind of discarded auricularia auriculajudae bag hot pressing plate technique according to claim 1, it is characterized in that: the density of described artificial plate is 0.7~0.8g/cm 3.
4. a kind of discarded auricularia auriculajudae bag hot pressing plate technique according to claim 1, it is characterized in that: the MOR of described artificial plate is 10~13MPA.
5. a kind of discarded auricularia auriculajudae bag hot pressing plate technique according to claim 1, the steps include:
1) on-the-spot in discarded auricularia auriculajudae bag purchase, discarded auricularia auriculajudae bag is carried out primary dcreening operation, smashes;
2) auricularia auriculajudae bag content is pulverized, formed auricularia auriculajudae bag waste particle, processing site is transported in pack back;
3) soybean straws of auricularia auriculajudae bag waste particle and 30% is mixed, pulverize as mixing slag charge;
4) dried mixing slag charge, made its water content<8%;
5) will mix slag charge and drop into glue mixer, and add a certain amount of Lauxite and additive, and stir 10 minutes, the consumption of Lauxite and additive can determine according to the quality requirement of institute's pressed sheet;
6), after the hot press inner sleeve installs template, by mixing slag charge, evenly be laid on the pressing plate of hot press;
7) ejecting plate.
CN201310355922XA 2013-08-15 2013-08-15 Technology for utilizing abandoned agaric bags to make plates through hot pressing CN103433994A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047470A (en) * 1989-05-19 1990-12-05 怀安县合成板厂 Plant straw artificial plate technology
CN2834846Y (en) * 2005-04-25 2006-11-08 上海人造板机器厂有限公司 A hot pressing unloading set of panel production line
CN101037000A (en) * 2007-04-12 2007-09-19 上海康拜环保科技有限公司 Method for producing formaldehyde-free low-density crop straw grain board
CN101724282A (en) * 2009-11-19 2010-06-09 沈阳大学 Fungus chaff composite plate and preparation method thereof
CN102172948A (en) * 2011-01-28 2011-09-07 广西大学 Surface infiltrated wood fiber board and production method thereof
CN202378127U (en) * 2011-02-28 2012-08-15 段梦麟 Plant stem artificial wood

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047470A (en) * 1989-05-19 1990-12-05 怀安县合成板厂 Plant straw artificial plate technology
CN2834846Y (en) * 2005-04-25 2006-11-08 上海人造板机器厂有限公司 A hot pressing unloading set of panel production line
CN101037000A (en) * 2007-04-12 2007-09-19 上海康拜环保科技有限公司 Method for producing formaldehyde-free low-density crop straw grain board
CN101724282A (en) * 2009-11-19 2010-06-09 沈阳大学 Fungus chaff composite plate and preparation method thereof
CN102172948A (en) * 2011-01-28 2011-09-07 广西大学 Surface infiltrated wood fiber board and production method thereof
CN202378127U (en) * 2011-02-28 2012-08-15 段梦麟 Plant stem artificial wood

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Application publication date: 20131211

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