CN102179850A - Manufacturing method for producing energy-saving and environmentally-friendly type high-strength wood plate substitutes or devices with straws - Google Patents

Manufacturing method for producing energy-saving and environmentally-friendly type high-strength wood plate substitutes or devices with straws Download PDF

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CN102179850A
CN102179850A CN2011100381353A CN201110038135A CN102179850A CN 102179850 A CN102179850 A CN 102179850A CN 2011100381353 A CN2011100381353 A CN 2011100381353A CN 201110038135 A CN201110038135 A CN 201110038135A CN 102179850 A CN102179850 A CN 102179850A
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saving
environmentally
strength
energy
wood plate
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CN102179850B (en
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范维金
郭玉英
计祥林
王玉年
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Abstract

The invention relates to a manufacturing method for producing energy-saving and environmentally-friendly type high-strength wood plate substitutes or devices with straws, which comprises the following steps: processing various plant straws or other fibers into velvet or slurry type through special equipment; adding environmentally-friendly adhesives, additive filler and the like, carrying out high-speed and even mixing and stirring to obtain materials with solid content of 70+/-5 percent; injecting the material in an inlet of an energy-saving and environmentally-friendly type plate (device) forming machine, evenly laying the materials in a closed ring type strip-shaped mold by a metering device and a conveyor, carrying out microwave processing, leading the temperature of the materials to rise from normal temperature to more than 100 DEG C, thus achieving the purpose of firmly combination of the adhesive and the fiber, and sterilization; carrying out extrusion forming to obtain a veneer with a geometry shape, and compounding the veneer or other materials into hollow high-strength wood plate substitutes, namely completing the machining on the energy-saving and environmentally-friendly type high-strength wood plate substitutes. The plate can substitute wood plate, core boards, plywood, shaving boards, medium density fiber boards and other boards, can be further machined into light type walls, packaging boxes, heavy-duty pallets, decoration plates, furniture, house decoration members, artware and other products.

Description

Produce the manufacture method of energy saving and environment friendly high-strength board capable of replacing wood board material or device with stalk
The present invention " produces the manufacture method of energy saving and environment friendly high-strength board capable of replacing wood board material or device " and relates to stalk is with the comprehensive development and utilization of materials such as agricultural stalk and city waste wood and waste textile, turn waste into wealth.Particularly adopt the new and high technology of energy-conservation, water saving, low-carbon (LC), three-waste free discharge, microwave drying rapid shaping.Producing this product of the high-strength board capable of replacing wood board material of environmental type (or other device) can directly use, and also further deep processing becomes products such as light wall, packing case, heavy-duty tray, decorative panel, furniture, house decoraton member and handicraft.
Background technology:
The various careless class stalk of China's agricultural production reaches more than 600,000,000 ton approximately at present, and resource utilization is very low, and major part goes out of use, even burns, and causes resource waste and severe environmental pollution greatly.Development along with agricultural economy, the waste of stalk resource and the pollution of environment do not reduce yet, add the excessive felling of forest, the grassland overgraze, make ecological environment suffer serious destruction, soil erosion, desertification of land is serious day by day, natural and man-made calamities emerge in an endless stream, and have brought great harm for economic development and people's lives.Therefore making full use of stalk resource turns waste into wealth, and produce energy saving and environment friendly high-strength board capable of replacing wood board material or other device and be very important, be that market is badly in need of very much.Like this with the advantage of agricultural resource; be converted into the advantage of commodity economy; be the needs of situation; promoted the benign cycle of agricultural production; protected ecological environment; improved the rural economic structure, increased employment and peasant's income, to supporting that agriculture, rural areas and farmers have earth shaking realistic meaning and far-reaching historical meaning (economic implications and social effect)
In recent years, the economic develop rapidly of China, environmental protection, energy problem are unprecedentedly severe, and energy savings is the task of top priority.Resource is the important goal of optimizing the economic structure, and must firmly reverse the situation of high flow rate, high pollution, low output.Walk out the road for development of an environment-friendly and energy-efficient with Chinese characteristics.Become the only way of China's sustainable economic development." forest law " that country puts into effect taked a series of measure for protecting forest resources.The sheet material production industry has been subjected to great challenge and impact.Seek the development work of new material replacement natural timber, the important act of become sheet material industry figure existence, seeking development.And stalk is with the peculiar advantage of " inexhaustible ", becomes sheet material industry and focus that relevant departments paid close attention to.
In recent years, the development of domestic construction market and house ornamentation industry, consumption markets such as finishing, decoration, furniture increase fast, make the artificial board industry spatial development of China.China's artificial board year production in 2003 has surpassed 4000 ten thousand steres, is only second to the U.S. and occupies the second in the world.Several hundred million square metres of the annual newly constructed houses of China are fitted up used sheet material consumption and are accounted for the No. 1 in the world.The used adhesive of artificial board on the market mainly is Lauxite and melamine resin.In actual production and application process, must have a large amount of free formaldehydes and discharge, this pollution and infringement human body physical and mental health to environment seriously influences.Product on the market is all cried out the environmental type product, exceeds standard but survey most of aldehydes, and is defective, needs to discharge for a long time pernicious gas after the house decoration and just can move in.But also there are many users to suffer, got grave illness, even life threatening.Therefore these products all have very big fear and sense of insecurity in people mind; so environmental protection, the new and high technology with independent intellectual property right is adopted in the energy-saving and emission-reduction comprehensive utilization; produce the environmental type high added value market in urgent need for wood products, seem more important and be badly in need of.
Original production sheet material technology is power consumption, big power consumer.The product drying mode adopts modes such as electric heating, hot blast, steam, all be to utilize heat conducting principle, the object central temperature is raise heat, because of the object to be processed thermal conductivity relatively poor, the outside is coking, also heat up in inside, therefore consume energy big, shortcomings such as the time is long, of poor quality, efficient is low, production cost height are arranged.
Summary of the invention:
The art of this patent adopts heating using microwave, makes heating object itself be heated as heater, does not need heat transfer process, and frequency is 2450MHz, and with 24.5 hundred million vibrations of per second, hydrone rubs mutually between the molecule and produces heat too with 24.5 hundred million vibrations of per second.Heating simultaneously inside and outside the self-heating, temperature is even, only uses 1~3 minute time, and material to be machined just can rise to more than 100 ℃ by 20 ℃, water system environmental protection glue is fully reacted reach the purpose of firm with the fiber bonding in sterilization.The microwave energy that adds makes interior of articles produce heat and vapour pressure, moisture is driven to the surface, and is excluded rapidly.Therefore production efficiency and energy-saving effect are ten times of the numbers of the original mode of production.Therefore it meets " energy-saving and emission-reduction " " low-carbon economy " policy requirements, is worth us to adopt.
A kind of novel manufacture method of producing energy saving and environment friendly high-strength board capable of replacing wood board material or equipment with stalk, be to adopt modern design, energy-saving and emission-reduction, pollution-free, zero-emission, the various discarded resources of comprehensive utilization, the new technology that turns waste into wealth, be that production cost is low, the new and high technology of the high and low carbon economy of efficient, still belong to initiative so far.
Its preparation method is:
1, agricultural stalk is rubbed with the hands and is worn into the velvet shape through kneading or grinding leaser or efficient kibbling mill.Also can be again through steam or hot water softening fibre.With the fiber treatment pulp, mass dryness fraction is 80~90% stand-by (it is stand-by also city waste wood or other fibrid can be processed into the velvet shape) through high-density paste mill.
2, a kind of high-adhesion energy, protection against the tide, mildew-resistant, environment-friendly type starch glue, what relate to is to utilize the technology that ecological environment requires that meets, fully reasonably producing starch is made high cohesive force, protection against the tide, mildew-resistant, environment-friendly type starch glue.It is that starch is passed through oxidant consumption 10% ± 2, and oxidative degradation reaches needs viscosity and molecular weight.Under stirring condition, through the gelatinization of heating hydro-oxidation sodium, gelatinization point: 56~72 ℃, (deciding according to variety classes starch) paste agent consumption 1~10% adds complexing agent then, crosslinking agent, graft copolymerization reagent, terminator, waterproofing agent, reinforcing agent etc.Make glue solid content 40-50%, high-adhesion energy environment-friendly type starch glue is stand-by.(abbreviation adhesive)
3, with velvet shape fiber or slurry fiber and high-adhesion can amylan in 0.8~1: the ratio of 0.8~1 (dry substance is with 100%), and add an amount of reinforcing agent, functional aid, filler etc., drop in the multi-functional mixer, discongesting under the stirring condition at a high speed, be dispersed into highly evenly loose material body, solid content 70% ± 5.
4, mass dryness fraction 70% ± 5 material body is injected into energy-saving and environment-friendly making sheet (or device) make-up machine, through microwave treatment, temperature of charge is raised to more than 100 ℃ by normal temperature, makes environmental-protection type adhesive and fiber bonding firmly, also reaches sterilization effects simultaneously.Material is progressively pressurization in mould, and single face sheet material (or device) mass dryness fraction that mold pressing goes out the geometry shape of design configuration is 80~90%.
5, the geometry shape single face sheet material of design configuration with millboard (various boxboard) or other ornament materials, is combined into hollow high-strength environment-friendly board capable of replacing wood board material behind gluing.
6, mould employing polytetrafluoroethylene (PTFE) glass fiber tape, the material that nonpolar molecules such as polyethylene, poly-two alkene, rubber are formed, it can see through microwave and come spent material to heat up, and brings into play the adhesive bonds effect and reaches bactericidal effect.
When 7, producing other structure devices, production procedure is all identical, and just the mould difference in the former can design the different structure mould according to product requirement, as producing products such as ornament member and handicraft.
Good effect after invention is implemented is:
1, stalk is a fibrinoid material, be that nature gives human precious resources, utilize energy-conservation, the water saving, the no three wastes, pollution-free, low-carbon energy-saving, production new technology make the agricultural stalk resource, turn waste into wealth, support agriculture, rural areas and farmers, save timber, keep ecological balance, develop the economy, there are major and immediate significance and far-reaching historical meaning in China.
2, most of artificial boards on the former market: materials such as core-board, glued board, particieboard, medium density fibre board (MDF), not only aldehyde-containing type, benzene class harmful substance exceed standard, and weakness such as power consumption is high, efficient is low, speed is slow, of poor quality, cost height, advantage such as the sheet material that adopts this patent new technology to produce has that power consumption is low, efficient is high, speed is fast, Functionality, quality and appealing design, cost are low.Be not aldehyde-containing type, benzene class, nontoxic, waterproof, mildew-resistant simultaneously, anti-ly damage by worms, fire-retardant, sound insulation, heat insulation environmental type product, and have important light, intensity is high, can saw, can glue, can follow closely, the characteristics of good processability.Further light wall, heavily loaded packing case, heavy-duty tray, furniture, decorative panel, house decoraton member and the equivalent wood products of handicraft are made in deep processing.Be the urgent need in market, market is extremely huge! The employing and the enforcement of this patented technology route and method, the processing stalk for scientific and reasonable makes its resource, preserves the ecological environment, and has opened up a new way.
Embodiment: (the runoff yield journey of growing nonparasitically upon another plant schematic diagram)
1, get 1000 kilograms of wheat straws (or straw), directly enter kneading or grinding leaser, it is stand-by that the velvet shape is worn in the raw material stranding.
2, boil high-adhesion environment-friendly type starch glue: 1050 kilograms of extracting corn starch, add 1300 kilograms in water, be placed with in the glue reactor of agitator, add the 105 kg hydrogen peroxide, oxidation 60 minutes, 40 ℃ of oxidizing temperatures add 28 kilograms of NaOH, half gelatinization 30 minutes, 45 ℃ of gelatinization points, add 10.5 kilograms of complexing agent boraxs, add 26 kilograms of ARG water repellent agents, add the PAE100 kilogram, when boiling 68 ℃, be incubated 30 minutes, milky paste (environment-friendly type starch glue) promptly, stand-by (solid content 45% ± 5).
3, get 260 kilograms of velvet shape wheat straw fibers, 50 kilograms in potter's clay, 400 kilograms of amylans.In multi-functional mixer, discongest stirring through high speed, fully mix and be uniformly dispersed, this material is injected energy saving and environment friendly making sheet (or device) make-up machine inlet, the even place mat of device through measuring conveying is in mould, through 1~3 minute, microwave treatment, material is raised to more than 100 ℃ by normal temperature, the demoulding that moves on of extrusion die conveyer belt.Mold pressing goes out the single sided board of the geometry shape of design configuration, and this single sided board is through glue spreader gluing and 500 gram/rice 2Kraft paperboard compoundly roll through hot-rolling, then the high-strength board capable of replacing wood board of hollow cements, that is: energy saving and environment friendly high-strength board capable of replacing wood board section product machines.And then cutting into commodity according to the market demand specification, water content is 10~15%, through warehouse-in after the assay was approved.

Claims (7)

1. with various careless class stalks or other fiber, through kneading or grinding leaser or efficient kibbling mill, velvet shape or pulpous state (mass dryness fraction is 80~90%) are worn in stranding, this fiber and environmental-protection type adhesive and function preparation, filler etc., disperse to stir through multi-functional mixer high-speed mixing, the solid content of this material body is 70% ± 5, prepares stand-by.
2. its characteristics of the high-strength board capable of replacing wood board material of energy saving and environment friendly production (or device) make-up machine: the polytetrafluoroethylene glass fiber tape is arranged in the machine, and insulating materials such as PEF, polypropylene, rubber are made closed loop hollow sheeting mould, and microwave generating apparatus is housed in the machine.
3. the high-strength board capable of replacing wood board material of energy saving and environment friendly production (or device) make-up machine can make material through microwave treatment 1~3 minute, and material is risen to more than 100 ℃ by normal temperature, and water system environmental protection glue is fully reacted, and reaches the purpose of the bonding firm and sterilization of adhesive and fiber.Microwave energy makes material inner generation heat and vapour pressure exclude moisture content rapidly.
4. the continuously extruded single sided board that goes out design configuration (having the geometry that needs) of the banded mould of closed loop is combined into the hollow high-strength panel through gluing and millboard or other material.
5. the banded mould of closed loop can be designed to multiple geometry shapes such as equilateral hexagonal, garden shape, square, triangle, rhombus, and according to product requirement, interchangeable mould is produced multiple single face sheet material with solid.
6. have geometry shape single face sheet material and millboard (or other material) through set composite, behind gluing between the composite bed, roll through the hot pressing roller and to cement, form the hollow high-strength panel, promptly energy saving and environment friendly high-strength board capable of replacing wood board section product machines.
7. when producing other structure devices, production procedure is all identical, and just the mould difference of former can design the different structure mould according to product requirement, as producing products such as ornament member and handicraft.
CN201110038135.3A 2011-02-15 2011-02-15 Manufacturing method for producing high-strength wood plate substitutes with straws Expired - Fee Related CN102179850B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505576A (en) * 2011-11-21 2012-06-20 何学信 Economic and environmental friendly technology for manufacturing cardboard paper and straw boards by using straws
CN103590284A (en) * 2013-11-06 2014-02-19 枣庄超越玉米淀粉有限公司 Production process of starch emulsion for papermaking
CN104210008A (en) * 2014-08-04 2014-12-17 中山升科科技开发有限公司 Composite material capable of replacing solid wood and preparation method thereof
CN118003608A (en) * 2024-03-04 2024-05-10 保定市富新包装有限公司 Preparation method for improving compression resistance of environment-friendly packaging material

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH572696A5 (en) * 1973-09-05 1976-02-13 Siemens Ag Oesterreich
JPS5219378A (en) * 1975-08-05 1977-02-14 Tendou Mokko:Kk Pressing machine for heat-f orming wooden thin plate
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WO1996005035A1 (en) * 1994-08-12 1996-02-22 Schilcher Industrieanlagen- Und Gerätebau Gesellschaft M B H Heating device with a microwave generator
CN1307958A (en) * 2001-03-23 2001-08-15 阎平 Timer microwave drying and heat setting method and equipoment
CN1548287A (en) * 2003-05-19 2004-11-24 电子科技大学 A microwave thermoforming equipment
CN200984768Y (en) * 2006-12-04 2007-12-05 刘联合 Microwave drying wood pressure machine
CN201026640Y (en) * 2007-03-24 2008-02-27 穆国君 Heating press for high-density bamboo wood assembling material
CN102009425A (en) * 2009-10-26 2011-04-13 范维金 Method for manufacturing green environmental-friendly type wood product by grass in dry method and method for recycling secondary product

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH572696A5 (en) * 1973-09-05 1976-02-13 Siemens Ag Oesterreich
JPS5219378A (en) * 1975-08-05 1977-02-14 Tendou Mokko:Kk Pressing machine for heat-f orming wooden thin plate
CN1032637A (en) * 1987-10-19 1989-05-03 四川建筑材料工业学院 Fabrication method for high-strength pressed strawboard
WO1996005035A1 (en) * 1994-08-12 1996-02-22 Schilcher Industrieanlagen- Und Gerätebau Gesellschaft M B H Heating device with a microwave generator
CN1307958A (en) * 2001-03-23 2001-08-15 阎平 Timer microwave drying and heat setting method and equipoment
CN1548287A (en) * 2003-05-19 2004-11-24 电子科技大学 A microwave thermoforming equipment
CN200984768Y (en) * 2006-12-04 2007-12-05 刘联合 Microwave drying wood pressure machine
CN201026640Y (en) * 2007-03-24 2008-02-27 穆国君 Heating press for high-density bamboo wood assembling material
CN102009425A (en) * 2009-10-26 2011-04-13 范维金 Method for manufacturing green environmental-friendly type wood product by grass in dry method and method for recycling secondary product

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505576A (en) * 2011-11-21 2012-06-20 何学信 Economic and environmental friendly technology for manufacturing cardboard paper and straw boards by using straws
CN103590284A (en) * 2013-11-06 2014-02-19 枣庄超越玉米淀粉有限公司 Production process of starch emulsion for papermaking
CN104210008A (en) * 2014-08-04 2014-12-17 中山升科科技开发有限公司 Composite material capable of replacing solid wood and preparation method thereof
CN118003608A (en) * 2024-03-04 2024-05-10 保定市富新包装有限公司 Preparation method for improving compression resistance of environment-friendly packaging material

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