CN105753431A - Environment-friendly composite board and preparation method thereof - Google Patents
Environment-friendly composite board and preparation method thereof Download PDFInfo
- Publication number
- CN105753431A CN105753431A CN201610044830.3A CN201610044830A CN105753431A CN 105753431 A CN105753431 A CN 105753431A CN 201610044830 A CN201610044830 A CN 201610044830A CN 105753431 A CN105753431 A CN 105753431A
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- composite board
- preparation
- raw material
- environment
- straw
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an environment-friendly composite board.The environment-friendly composite board comprises, by weight, 25-75% of plant straw, 20-70% of coal ash, 3-8% of coal gangue and 1-2% of additives.A preparation method of the environment-friendly composite board includes the steps of (1), raw material preparation, (2), mixing and stirring, (3), spreading and forming, (4), form stripping by hot-pressing, (5) maintenance and cutting.The environment-friendly composite board and the preparation method thereof have the advantages that the environment-friendly composite board is prepared from the plant straw, the coal ash, the coal gangue and the additives, wherein the plant straw, the coal ash and the coal gangue are industrial and agricultural wastes, so that raw materials are widely available, and pollution of the coal ash and the coal gangue to the land and pollution of plant straw combustion to atmospheric environments are reduced greatly; the environment-friendly composite board is environment friendly, durable and high in quality; the environment-friendly composite board and the preparation method thereof gain good social and economic benefits.
Description
Technical field
The present invention relates to a kind of composite plate and preparation method thereof, particularly to a kind of environmental protection composite board and preparation method thereof.
Background technology
Prior art is few to the research moulding wood composite board, and patent ZL02226119.2 once described one and moulds wood composite board, and it adopts short time heating high pressure to fuse the plate body moulding wood quality structure made.This mould wood composite board shortcoming be: same waste or used plastics can only being adopted to make raw material, it is impossible to adopt multiple different building waste, agriculture and industry waste or a few person mix and make raw material；Sorting difficult, required expense of straw is relatively big for it, be difficult to carry out, and cost of material is high, it is impossible to tissue is produced in enormous quantities；Meanwhile, adopting thermal pressure machine repeatedly laminated into type, production efficiency is low, manufacturing cost is high.
It is disclosed in the information of this background section and is merely intended to increase the understanding of the general background to the present invention, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known.
Summary of the invention
The present invention solves above-mentioned technical problem, a kind of environmental protection composite board of invention and preparation method thereof, thus obtain a kind of environmental protection, preparation method succinctly, easily operate, the environmental protection composite board that cost is low, quality is good.
For achieving the above object, technical scheme provided by the invention is as follows:
A kind of environmental protection composite board, comprises following components raw material according to percentage by weight: straw 25～75%, flyash 20～70%, gangue 3～8% and additive 1～2%.Flyash therein is the solid waste that coal-burning power plant discharges, and described flyash is dried to moisture content and uses lower than 6% and after pulverizing；Gangue is the solid waste of discharge in coal mining process and coal washing process, is a kind of black gray expandable rock relatively low, harder than coal with a kind of phosphorus content of coal seam association in coalification course.
Wherein, following components raw material is comprised according to percentage by weight: straw 40～60%, flyash 40～60%, gangue 3～8% and additive 1～2%.
Wherein, described additive comprises following components according to percentage by weight: hydrogenated rosin 55～75%, modified starch 22～35% and dispersant 3～10%.
Wherein, described dispersant is the one in copper stearate, calcium stearate, glyceryl tristearate, vinyl bis-stearamides or Tissuemat E.
Wherein, described straw is the one in the straw of Semen Maydis, Semen Tritici aestivi or Oryza sativa L., be dried to moisture content lower than 8% after pulverize after use.
The preparation method of a kind of environmental protection composite board as above, comprises following operating procedure:
(1) raw material prepares: take following components material plant straw 35～75%, flyash 20～70%, gangue 3～8% and additive 1～2% according to percentage by weight；
(2) dispensing stirring: each component raw material is stirred；
(3) mat formation molding: the raw material stirred is mated formation by laminated yarn, matched moulds, obtain composite plate crude product；
(4) hot pressing form removal: by composite plate crude product hot pressing heat-insulation pressure keeping, form removal；
(5) maintenance cutting: the gained composite plate after form removal carries out maintenance, cutting.
Wherein, in step (2), mixing time is 10～15min.
Wherein, the employing bolster in step (3) is flooring mode respectively, and cope match-plate pattern adopts 4 layers of fiberglass gridding cloth, and lower bolster adopts 4 layers of fiberglass gridding cloth.
Wherein, in step (4), hot pressing pressure is 13.2～14.0Mpa, and temperature is 70～140 DEG C, and the dwell time is 1.5～2.5h.
Wherein, in step (5), curing temperature is 26～30 DEG C, and humidity is 50～70%, and curing time is 3 days.
Compared with prior art, there is advantages that
The inventive method adopts straw, flyash, gangue and additive as raw material, wherein first three material broadly falls into building waste, agriculture and industry waste, make raw material sources more extensive, not only be substantially reduced flyash, atmospheric environment is polluted by coal gangue pollution soil, straw burning etc. problem, the also environmental protection of gained composite plate, durable, quality is good；The present invention has good Social benefit and economic benefit.
Detailed description of the invention
It is described in detail below in conjunction with detailed description of the invention, it is to be understood that protection scope of the present invention is not by the restriction of detailed description of the invention.
Embodiment 1
Straw corn straw being dried to moisture content lower than 8%, flyash is dried to moisture content lower than 6%, standby.Take each component raw material of following additive by weight percentage: hydrogenated rosin 65%, modified starch 30% and dispersant vinyl bis-stearamides 5%, mixing and stirring, standby.
Taking following components raw material according to percentage by weight: straw 25%, flyash 70%, gangue 3% and above-mentioned additive 2%, flyash therein is the solid waste that coal-burning power plant discharges；Gangue is the solid waste of discharge in coal mining process and coal washing process, is a kind of black gray expandable rock relatively low, harder than coal with a kind of phosphorus content of coal seam association in coalification course.Each component raw material is put in jaw crusher, jaw crusher stirs 10～15min, make a component raw material mix homogeneously, raw material after mix homogeneously carries out blanking by hopper and mats formation, bolster is a layered material respectively, layer of glass grid cloth, bolster is respectively provided with 4 layered materials, 4 layers of fiberglass gridding cloth, matched moulds after having mated formation, it is combined by bolster, obtain composite plate crude product, it is 13.2Mpa that gained composite plate crude product puts into maintenance pressure in hot press, temperature is 140 DEG C, hot pressing, and heat-insulation pressure keeping 1.5h, form removal, keeping temperature is 26 DEG C, humidity is 70% maintenance 3 days, cutting, obtain.
Embodiment 2
Straw wheat stalk being dried to moisture content lower than 8%, flyash is dried to moisture content lower than 6%, standby.Take each component raw material of following additive by weight percentage: hydrogenated rosin 75%, modified starch 22% and dispersant glyceryl tristearate 3%, mixing and stirring, standby.
Taking following components raw material according to percentage by weight: straw 74%, flyash 20%, gangue 5% and above-mentioned additive 1%, flyash therein is the solid waste that coal-burning power plant discharges；Gangue is the solid waste of discharge in coal mining process and coal washing process, is a kind of black gray expandable rock relatively low, harder than coal with a kind of phosphorus content of coal seam association in coalification course.Each component raw material is put in jaw crusher, jaw crusher stirs 10～15min, make a component raw material mix homogeneously, raw material after mix homogeneously carries out blanking by hopper and mats formation, bolster is a layered material respectively, layer of glass grid cloth, bolster is respectively provided with 4 layered materials, 4 layers of fiberglass gridding cloth, matched moulds after having mated formation, it is combined by bolster, obtain composite plate crude product, it is 14.0Mpa that gained composite plate crude product puts into maintenance pressure in hot press, temperature is 70 DEG C, hot pressing, and heat-insulation pressure keeping 2.5h, form removal, keeping temperature is 30 DEG C, humidity is 50% maintenance 3 days, cutting, obtain.
Embodiment 3
Straw rice straw being dried to moisture content lower than 8%, flyash is dried to moisture content lower than 6%, standby.Take each component raw material of following additive by weight percentage: hydrogenated rosin 55%, modified starch 35% and dispersant copper stearate 10%, mixing and stirring, standby.
Taking following components raw material according to percentage by weight: straw 45%, flyash 45%, gangue 8% and above-mentioned additive 2%, flyash therein is the solid waste that coal-burning power plant discharges；Gangue is the solid waste of discharge in coal mining process and coal washing process, is a kind of black gray expandable rock relatively low, harder than coal with a kind of phosphorus content of coal seam association in coalification course.Each component raw material is put in jaw crusher, jaw crusher stirs 10～15min, make a component raw material mix homogeneously, raw material after mix homogeneously carries out blanking by hopper and mats formation, bolster is a layered material respectively, layer of glass grid cloth, bolster is respectively provided with 4 layered materials, 4 layers of fiberglass gridding cloth, matched moulds after having mated formation, it is combined by bolster, obtain composite plate crude product, it is 13.6Mpa that gained composite plate crude product puts into maintenance pressure in hot press, temperature is 105 DEG C, hot pressing, and heat-insulation pressure keeping 2.0h, form removal, keeping temperature is 28 DEG C, humidity is 60% maintenance 3 days, cutting, obtain.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe and are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change.Purpose exemplary embodiment selected and describe is in that to explain the certain principles of the present invention and practical application thereof, so that those skilled in the art is capable of and utilizes the various different exemplary of the present invention and various different selection and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (10)
1. an environmental protection composite board, it is characterised in that comprise following components raw material according to percentage by weight: straw 25～75%, flyash 20～70%, gangue 3～8% and additive 1～2%.
2. environmental protection composite board according to claim 1, it is characterised in that comprise following components raw material according to percentage by weight: straw 40～60%, flyash 40～60%, gangue 3～8% and additive 1～2%.
3. environmental protection composite board according to claim 1, it is characterised in that described additive comprises following components according to percentage by weight: hydrogenated rosin 55～75%, modified starch 22～35% and dispersant 3～10%.
4. environmental protection composite board according to claim 3, it is characterised in that: described dispersant is the one in copper stearate, calcium stearate, glyceryl tristearate, vinyl bis-stearamides or Tissuemat E.
5. environmental protection composite board according to claim 1, it is characterised in that: described straw is the one in the straw of Semen Maydis, Semen Tritici aestivi or Oryza sativa L., be dried to moisture content lower than 8% after pulverize after use.
6. the preparation method of an environmental protection composite board as claimed in claim 1, it is characterised in that comprise following operating procedure:
(1) raw material prepares: take following components material plant straw 35～75%, flyash 20～70%, gangue 3～8% and additive 1～2% according to percentage by weight；
(2) dispensing stirring: each component raw material is stirred；
(3) mat formation molding: the raw material stirred is mated formation by laminated yarn, matched moulds, obtain composite plate crude product；
(4) hot pressing form removal: by composite plate crude product hot pressing heat-insulation pressure keeping, form removal；
(5) maintenance cutting: the gained composite plate after form removal carries out maintenance, cutting.
7. preparation method according to claim 6, it is characterised in that: in step (2), mixing time is 10～15min.
8. preparation method according to claim 6, it is characterised in that: the employing bolster in step (3) is flooring mode respectively, and cope match-plate pattern adopts 4 layers of fiberglass gridding cloth, and lower bolster adopts 4 layers of fiberglass gridding cloth.
9. preparation method according to claim 6, it is characterised in that: in step (4), hot pressing pressure is 13.2～14.0Mpa, and temperature is 70～140 DEG C, and the dwell time is 1.5～2.5h.
10. preparation method according to claim 6, it is characterised in that: in step (5), curing temperature is 26～30 DEG C, and humidity is 50～70%, and curing time is 3 days.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044830.3A CN105753431B (en) | 2016-01-22 | 2016-01-22 | A kind of environmental protection composite board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044830.3A CN105753431B (en) | 2016-01-22 | 2016-01-22 | A kind of environmental protection composite board and preparation method thereof |
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| CN105753431A true CN105753431A (en) | 2016-07-13 |
| CN105753431B CN105753431B (en) | 2018-06-19 |
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| CN201610044830.3A Active CN105753431B (en) | 2016-01-22 | 2016-01-22 | A kind of environmental protection composite board and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107793070A (en) * | 2017-09-04 | 2018-03-13 | 南通捷皋家具有限公司 | A kind of light-weight environment-friendly thermal resistance ornament materials for construction machinery equipment |
| CN114940613A (en) * | 2022-06-05 | 2022-08-26 | 吉林市市政建设集团有限公司 | Production process for processing cement board by using fly ash |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562859A (en) * | 2004-04-21 | 2005-01-12 | 成都冠星科技有限公司 | Environmental protection type wallboard of firewall and fabrication method |
| CN1640640A (en) * | 2004-01-15 | 2005-07-20 | 中国科学院过程工程研究所 | Composite waterproof plate, ad its manufacturing method and use |
| CN103254842A (en) * | 2013-05-29 | 2013-08-21 | 大庆市中大方正化工科技有限公司 | Modified starch wood adhesive, and preparation method and application thereof |
| CN103848590A (en) * | 2012-11-30 | 2014-06-11 | 王金青 | Novel environmental-friendly composite board |
| CN104986990A (en) * | 2015-06-17 | 2015-10-21 | 江苏龙海建工集团有限公司 | Composite for buildings and manufacturing method thereof |
-
2016
- 2016-01-22 CN CN201610044830.3A patent/CN105753431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640640A (en) * | 2004-01-15 | 2005-07-20 | 中国科学院过程工程研究所 | Composite waterproof plate, ad its manufacturing method and use |
| CN1562859A (en) * | 2004-04-21 | 2005-01-12 | 成都冠星科技有限公司 | Environmental protection type wallboard of firewall and fabrication method |
| CN103848590A (en) * | 2012-11-30 | 2014-06-11 | 王金青 | Novel environmental-friendly composite board |
| CN103254842A (en) * | 2013-05-29 | 2013-08-21 | 大庆市中大方正化工科技有限公司 | Modified starch wood adhesive, and preparation method and application thereof |
| CN104986990A (en) * | 2015-06-17 | 2015-10-21 | 江苏龙海建工集团有限公司 | Composite for buildings and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107793070A (en) * | 2017-09-04 | 2018-03-13 | 南通捷皋家具有限公司 | A kind of light-weight environment-friendly thermal resistance ornament materials for construction machinery equipment |
| CN114940613A (en) * | 2022-06-05 | 2022-08-26 | 吉林市市政建设集团有限公司 | Production process for processing cement board by using fly ash |
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| CN105753431B (en) | 2018-06-19 |
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