CN103923478B - Corn stalk hide fiber wood moulds plate and production method thereof - Google Patents
Corn stalk hide fiber wood moulds plate and production method thereof Download PDFInfo
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- CN103923478B CN103923478B CN201410174208.5A CN201410174208A CN103923478B CN 103923478 B CN103923478 B CN 103923478B CN 201410174208 A CN201410174208 A CN 201410174208A CN 103923478 B CN103923478 B CN 103923478B
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Abstract
The invention discloses corn stalk hide fiber wood and mould plate and production method thereof, it is characterized in that: it is by the raw material of following weight percent: high density polyethylene(HDPE), corn stalk hide fiber powder, wood powder, nano-calcium carbonate, lubricant, oxidation inhibitor, solvent, coupling agent, by preparing plate die head, twin screw extruder is extruded, pressure shaping and finishing are checked and accepted operation and made.This corn stalk hide fiber wood moulds plate and production method thereof, due to large for the sugar degree of corn stalk portion is removed, degreasing has been carried out to epidermin powder, adopt corn stalk hide fiber powder mass production processes, so, add wood and mould during plate is produced and can not reduce the quality of production that plate moulded by wood, and significantly can reduce the production cost that plate moulded by wood, make full use of again local corn stalk resource, both there is Business Economic Benefit, and again there is social benefit; Due to low-temperature defatted first separately to corn stalk epidermin powder, then short mix is extruded, so ensure that the quality of sheet forming the short period of time.
Description
Technical field
The present invention relates to the improvement that a kind of wood moulds plate and production method thereof, specifically a kind ofly can reduce the production cost that plate moulded by wood, the corn stalk hide fiber wood that can make full use of again local corn stalk resource moulds plate and production method thereof.
Background technology
Wood is moulded plate and is had good elasticity, and has the resistance to compression suitable with hardwood, counter-bending mechanical property, hardness be the 2-5 of timber doubly, antiacid alkali, water-fast, internal corrosion, do not breed entomogenous fungi, environmental protection, long service life; By adding auxiliary agent, can also anti-aging, anti-electrostatic, fire-retardant.So wood is moulded plate and is widely used.Plate main raw material moulded by current wood: wood powder 50%, high density polyethylene(HDPE) 25-30%, nano calcium oxide 10%.Plate moulded by this wood, because the wood powder ratio added is high, result in tooling cost high.In order to reduce the consumption of wood powder, known by retrieving, what have adds chaff shell, straw, stalk, W-Gum etc., but the production that described stalk only has wheat, rice crops stalk achieves wood-based plate, and maize straw, owing to comprising crust, core flesh and leaf, core flesh accounts for 30%, be rich in sugar, frangible in board making process, intensity is low, viscosity is large, be not used for by forcing machine the production that plate moulded by wood; For corn stalk crust, be made up of Mierocrystalline cellulose and xylogen, cellulose 44.6%, have that intensity is high, the feature of good toughness, but because its epidermal area is keratinization, secretion has fatty substance, forms smooth surface, the gummed of impact and hot melt plastic feed liquid, so can not be used for by forcing machine the production that plate be moulded by wood; Meanwhile, due to the Mierocrystalline cellulose of corn stalk crust with the suitability for industrialized production difficulty of xylogen is large, production cost is high, mould in the production of plate so be also difficult to be applied to wood, even if lab scale success, be also difficult to reach and reduce the object that plate production cost moulded by wood.
Along with the development of cities and towns economic integration, small towns has also started to enable gas engineering, vast farmers also will use Sweet natural gas, make a fire epoch of cooking of corn stalk are about in the past, the utilization of a large amount of corn stalk will become a social concern, therefore, opening up corn stalk application will be an important and significant project.At present, there is not yet and corn stalk hide fiber is used for wood and moulds the production of plate and can reach and reduce the report that the method for plate production cost moulded by wood.
Summary of the invention
The object of the present invention is to provide and a kind ofly can reduce the production cost that plate moulded by wood, the corn stalk hide fiber wood that can make full use of again local corn stalk resource moulds plate and production method thereof.
In order to reach above object, the technical solution adopted in the present invention is: plate moulded by this corn stalk hide fiber wood, it is characterized in that: it is made up by extruding of the raw material of following weight percent:
High density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-15%;
Lubricant 0.5-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
The present invention is also implemented by following measure: producing of described corn stalk hide fiber powder, first part the hand hay cutter more than root of corn stalk and corn ear is gone, send in special hermetically sealed rotating cylinder again, through rotating rubbing in hermetically sealed rotating cylinder, divest leaf of Semen Maydis, be blown in negative pressure absorbing cylinder to the leaf of Semen Maydis divested by blower fan immediately, the corn stalk divesting leaf continues to run forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 25-50mm, and crumple, corn stalk is made to become short silk and maize stalk flesh powder, short filament length degree is 10-50 orders, maize stalk flesh powder is through the reticulated macroporous of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, 70% is had to be entered in negative pressure absorbing cylinder, because maize stalk flesh powder sugar degree is the highest, so, by removing most of maize stalk flesh powder, just most of sugar degree of corn stalk is eliminated, the sugar degree of remaining corn stalk hide fiber powder and the maize stalk flesh powder of 30% is just little, like this, tough problem is caused with regard to substantially overcoming sugary height, the production of moulding plate for corn stalk hide fiber being used for wood provides possibility, due to producing in hermetically sealed, procedure, production in enormous quantities of corn stalk hide fiber, so also reach the object produced in enormous quantities, also just achieve and reduce the object that plate production cost moulded by wood.
In addition, the output terminal access dedusting pond of the negative pressure absorbing cylinder of hermetically sealed rotating cylinder, by dedusting pond absorbent core flesh powder and other floating dust thing, also produces raw material as fertilizer, is not described in detail herein.Concrete structure for special hermetically sealed rotating cylinder wouldn't openly be recorded.
Described lubricant is the one in stearic acid or polyethylene wax.
Described oxidation inhibitor is the one in 2,6 di tert butyl 4 methyl phenol or three-(2,4-tert-butyl-phenyl) phosphorous acid esters.
Described solvent is ethanol.
Described coupling agent is the one in silane coupling agent or titanate coupling agent.
In this proportioning, add a small amount of solvent (ethanol), become slightly acidic, object is by rice straw hide fiber powder cutin softening, is conducive to gluing together with high density polyethylene(HDPE).
Plate producing process moulded by corn stalk hide fiber wood, and its production stage comprises:
One, prepare enough with raw material according to board materials production batch by mixing ratio is disposable: its weight proportion is: high density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-12%;
Lubricant 0.4-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
Wherein: wood powder is buying; Corn stalk hide fiber powder home-built equipment is produced; Other fillers are buying.
Two, prepare plate die head: the wood produced at present moulds that plate comprises wood-plastic floor board, square tube moulded by wood, therefore, well in advance wood-plastic floor board, the molding die that square tube moulded by wood.
Three, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add solvent, heating and temperature control is at 70-80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature controls at 160-180 DEG C; Blended at batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate, and add lubricant, oxidation inhibitor, coupling agent, temperature controls at 180-190 DEG C; Then from extrusion die extrusion moulding blank
Four, pressure shaping: extrusion moulding blank to be sent in hot state in the flat plate mold in the pressing machine of 150-180 tonnages or pressurize in square tube mould 3-5 minutes shaping, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. is tested and repair, and eligible is put in storage.
Beneficial effect of the present invention is: this corn stalk hide fiber wood moulds plate and production method thereof, due to large for the sugar degree of corn stalk portion is removed, degreasing has been carried out to epidermin powder, have employed the mass production processes of corn stalk hide fiber powder simultaneously, so, add wood mould plate produce in can not reduce the quality of production that plate moulded by wood, and significantly can reduce the production cost that plate moulded by wood, make full use of again local corn stalk resource, both there is Business Economic Benefit, and again there is social benefit; Owing to adopting twin screw technique, low-temperature defatted first separately to corn stalk epidermin powder, can prevent high-temperature-coked, the high density polyethylene(HDPE) short period of time short mix then exported with the high temperature of another screw rod is extruded, so ensure that the quality of sheet forming.
Embodiment
Embodiment 1
In our company, introduce wood and mould plate production line, develop corn stalk hide fiber powder mass production facilities voluntarily.Produce 1 ton of corn stalk hide fiber wood-plastic floor board as a trial.Each raw material is taken by following weight percent:
High density polyethylene(HDPE) 25%; 250kg
Corn stalk hide fiber powder 32.5%; 325kg
Wood powder 27.5%; 275kg
Nano-calcium carbonate 11%; 110kg
Stearic acid 1.2%; 12kg
2,6 di tert butyl 4 methyl phenol 1.8%18kg
Ethanol 0.7%; 7kg
Silane coupling agent 0.3%.3kg
Producing of described corn stalk hide fiber powder, first part the hand hay cutter more than root of corn stalk and corn ear is gone, then send in special hermetically sealed rotating cylinder, through rotating rubbing in hermetically sealed rotating cylinder, divest leaf of Semen Maydis, be blown in absorbing barrel to the leaf of Semen Maydis divested by blower fan immediately, the corn stalk divesting leaf continues to run forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 30mm, and crumple, corn stalk is made to become short silk and maize stalk flesh powder, short filament length degree is 25 orders, maize stalk flesh powder is through the reticulated macroporous of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, 70% is had to be entered in absorbing barrel, because maize stalk flesh powder sugar degree is the highest, so, by removing most of maize stalk powder, eliminate most of sugar degree of corn stalk, the sugar degree of remaining corn stalk epidermis fibre powder and the maize stalk flesh powder of 30% is just little, like this, tough problem is caused with regard to substantially overcoming sugary height, the production of moulding plate for fine for corn stalk skin powder being used for wood provides possibility, due to producing in hermetically sealed, procedure, production in enormous quantities of corn stalk hide fiber powder, so also reach the object produced in enormous quantities, also just achieve and reduce the object that plate production cost moulded by wood.
Its production stage is: one, prepare timber floor die head: be flat board, die head mouth width 10cm, vertically thick is 2cm.
Two, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add ethanol, heating and temperature control is at 75 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature controls at 170 DEG C; Blended at batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate, and add stearic acid, 2,6 di tert butyl 4 methyl phenol, silane coupling agent, temperature controls at 185 DEG C; Then from extrusion die extrusion moulding floor blank.
Three, pressure shaping: extrusion moulding floor blank to be sent in hot state in the flat plate mold in the pressing machine of 160 tonnages or pressurize in square tube mould 4 minutes shaping, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. is tested and repair, and qualification rate is 90%, warehouse-in.
Embodiment 2
In our company, introduce wood and mould plate production line, develop corn stalk hide fiber powder mass production facilities voluntarily.Produce 1 ton of corn stalk hide fiber wood as a trial and mould square tube.Each raw material is taken by following weight percent,
High density polyethylene(HDPE) 28%; 280kg
Corn stalk hide fiber powder 29%; 290kg
Wood powder 29.5%; 295kg
Nano-calcium carbonate 10%; 100kg
Polyethylene wax 2%; 20kg
Three-(2,4-tert-butyl-phenyl) phosphorous acid ester 0.4%4kg
Ethanol 1%; 10kg
Titanate coupling agent 0.1%.1kg
Described corn stalk hide fiber powder produce same embodiment 1.
Its production stage is: one, prepare square tube die head: die head comprises square core rod and square cannula, the section length of side of square core rod is 40cm, the inner chamber section length of side of square cannula is 44cm, square core rod is fixed on the central position of square cannula, make the outer wall of square core rod to square cannula inwall between form uniform square runner.
Two, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add ethanol, 80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature controls at 180 DEG C; Blended at batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate, and add polyethylene wax, three-(2,4-tert-butyl-phenyl) phosphorous acid ester and titanate coupling agent, temperature controls at 190 DEG C; Then from extrusion die extrusion moulding square tube blank.
Three, pressure shaping: extrusion moulding floor blank is sent in hot state in the square tube mould in the pressing machine of 160 tonnages pressurize 4 minutes shaping, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. is tested and repair, and qualification rate is 95%, warehouse-in.
Embodiment 3
In our company, introduce wood and mould plate production line, develop corn stalk hide fiber powder mass production facilities voluntarily.Produce 1 ton of corn stalk hide fiber wood-plastic floor board as a trial.Each raw material is taken by following weight percent,
High density polyethylene(HDPE) 23.6%; 236kg
Corn stalk hide fiber powder 35%; 350kg
Wood powder 25%; 250kg
Nano-calcium carbonate 12%; 120kg
Polyethylene wax 0.4%; 4kg
Three-(2,4-tert-butyl-phenyl) phosphorous acid ester 3%30kg
Ethanol 0.5%; 5kg
Titanate coupling agent 0.5%.5kg
Described corn stalk hide fiber powder produce same embodiment 1.
Its production stage is with embodiment 1.
Check and accept through finishing, qualification rate is 94%, warehouse-in.
Claims (4)
1. plate moulded by corn stalk hide fiber wood, it is characterized in that: it is made up by extruding of the raw material of following weight percent:
High density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-15%;
Lubricant 0.5-2%;
Oxidation inhibitor 0.5-3%;
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
2. plate moulded by corn stalk hide fiber wood according to claim 1, it is characterized in that: producing of described corn stalk hide fiber powder, first part the hand hay cutter more than root of corn stalk and corn ear is gone, send in special hermetically sealed rotating cylinder again, through rotating rubbing in hermetically sealed rotating cylinder, divest leaf of Semen Maydis, be blown in negative pressure absorbing cylinder to the leaf of Semen Maydis divested by blower fan immediately; The corn stalk divesting leaf continues to run forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 25-50mm, and crumples, make corn stalk become short silk and maize stalk flesh powder, short filament length degree is 10-50 orders, maize stalk flesh powder, through the reticulated macroporous of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, has 70% to be entered in negative pressure absorbing cylinder, by removing most of maize stalk flesh powder, just eliminate most of sugar degree of corn stalk.
3. plate moulded by corn stalk hide fiber wood according to claim 1, it is characterized in that: described lubricant is the one in stearic acid or polyethylene wax; Described oxidation inhibitor is the one in 2,6 di tert butyl 4 methyl phenol or three-(2,4-tert-butyl-phenyl) phosphorous acid esters; Described solvent is ethanol; Described coupling agent is the one in silane coupling agent or titanate coupling agent.
4. plate producing process moulded by corn stalk hide fiber wood, it is characterized in that: its production stage comprises:
(1), prepare enough with raw material according to board materials production batch by mixing ratio is disposable: its weight proportion is: high density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-12%;
Lubricant 0.4-2%;
Oxidation inhibitor 0.5-3%;
Solvent 0.5-1%;
Coupling agent 0.1-0.5%;
(2), prepare plate die head: the wood produced at present moulds that plate comprises wood-plastic floor board, square tube moulded by wood, therefore, well in advance wood-plastic floor board, the molding die that square tube moulded by wood;
(3), select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add solvent, heating and temperature control is at 70-80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature controls at 160-180 DEG C; Blended at batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate, and add lubricant, oxidation inhibitor, coupling agent, temperature controls at 180-190 DEG C; Then from extrusion die extrusion moulding blank;
(4), pressure shaping: extrusion moulding blank to be sent in hot state in the flat plate mold in the pressing machine of 150-180 tonnages or pressurize in square tube mould 3-5 minutes shaping, air-cooled after the demoulding;
(5), finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. is tested and repair, and eligible is put in storage.
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| CN201410174208.5A CN103923478B (en) | 2014-04-29 | 2014-04-29 | Corn stalk hide fiber wood moulds plate and production method thereof |
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| CN103923478A CN103923478A (en) | 2014-07-16 |
| CN103923478B true CN103923478B (en) | 2016-03-16 |
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| CN106865712A (en) * | 2017-03-15 | 2017-06-20 | 中国石油集团渤海石油装备制造有限公司 | A kind of dehydration treatment method of waste water-base drilling liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204824A (en) * | 2007-12-04 | 2008-06-25 | 中国林业科学研究院木材工业研究所 | Wood model compound products and its preparation method |
| CN101629022A (en) * | 2009-08-14 | 2010-01-20 | 东北林业大学 | Aramid fiber enhanced wood-plastic composite material and preparation method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN101791814A (en) * | 2010-03-09 | 2010-08-04 | 孙竹营 | Maize straw skin-stalk separator |
-
2014
- 2014-04-29 CN CN201410174208.5A patent/CN103923478B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204824A (en) * | 2007-12-04 | 2008-06-25 | 中国林业科学研究院木材工业研究所 | Wood model compound products and its preparation method |
| CN101629022A (en) * | 2009-08-14 | 2010-01-20 | 东北林业大学 | Aramid fiber enhanced wood-plastic composite material and preparation method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN101791814A (en) * | 2010-03-09 | 2010-08-04 | 孙竹营 | Maize straw skin-stalk separator |
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Owner name: LAIWU APOLLO WOOD-PLASTIC COMPOSITES CO., LTD. Free format text: FORMER OWNER: SHANDONG XUSEN WOOD-PLASTIC COMPOSITES CO., LTD. Effective date: 20150409 |
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Effective date of registration: 20150409 Address after: 271114 Shandong city of Laiwu Province town Laicheng Industrial Zone million Cheung Road Applicant after: SHANDONG XUSEN WPC CO., LTD. Address before: The town of Sheung Shui River Village 271114 Shandong province Laiwu City Laicheng District Applicant before: SHANDONG XUSEN WPC CO., LTD. |
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Inventor after: Zhao Zhenyue Inventor after: Liu Xin Inventor after: Sun Gang Inventor after: Gao Zhongjiang Inventor after: Zhou Liqiang Inventor after: Zhang Caixia Inventor after: Lv Qingxiu Inventor before: Zhao Zhenyue Inventor before: Liu Xin Inventor before: Sun Gang Inventor before: Gao Zhongjiang Inventor before: Zhou Liqiang |
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