CN100398281C - Rice-shell board mixture - Google Patents
Rice-shell board mixture Download PDFInfo
- Publication number
- CN100398281C CN100398281C CNB200610066037XA CN200610066037A CN100398281C CN 100398281 C CN100398281 C CN 100398281C CN B200610066037X A CNB200610066037X A CN B200610066037XA CN 200610066037 A CN200610066037 A CN 200610066037A CN 100398281 C CN100398281 C CN 100398281C
- Authority
- CN
- China
- Prior art keywords
- silica
- rice husk
- rice
- wood
- filler
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- Silicon Compounds (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a filler synthesizing formulation of wood board, which comprises the following parts: 100% wood filler, 25-50% sodic liquid glass, 10-70% silica and sodium silicate hexafluoroethane, wherein the rice husk or rice husk and wood flour are mixed according to random proportion as wood filler; the silica contains artificial silica or SiO<SUB>2</SUB> with kinds metallurgy manufacturing of waste less than 80% silicon powder. The invention possesses water resistance and high strength property (static curved strength is 8-15.0 Mpa), which saves manufacturing waste material.
Description
Technical field
This invention belongs to the synthetic filling of making wood based panel, particularly uses agricultural residue (rice husk), wood-curing waste (wood chip) and the synthetic rice-shell board mixture of industrial production waste material (Cab-O-sil).
Background technology
Utilize batching inorganic, that the environmental protection binding is made sheet material to have a variety of.In these batchings, use wood chip, shavings, dust, use liquid sodium silicate as binding as wooden inserts.
Existing wooden shavings board mixture comprises (ratio of weight and number): wooden shavings 100; Sodium matter liquid glass 80-20, dry thing 40-60; Water content 80-20; In addition, in this technical scheme, use the perfluoroethane sodium metasilicate as modifying agent (denaturant) 1.2-4.2; (No. 2057773 patents of the Russian Federation, C08L97/02,10.04.1996).The weak point of this technical scheme is the wooden shavings plate of being made by these mixtures, and its intensity and resistance to water are low.
Comprise with wooden shavings board mixture in the immediate prior art scheme of the application:
Wooden shavings---100
Sodium matter glass---10-60 according to the dry matter adding
Silica powdered scrap---3-25
Water---30-80
(Russian 2150376B27N3/04, C08L97/02,2000.06.10).
In this technical scheme, use the silica powdered scrap that produces when producing ferrosilicon, contain a kind of SiO of model
2, its content requirement is not less than 90%.
Summary of the invention
Purpose of the present invention aims to provide a kind of scope, the intensity of reinforcement plate and rice-shell board mixture of resistance to water that enlarges the comprehensive utilization waste material.
Technical solution of the present invention is: rice-shell board mixture comprises wooden inserts, sodium matter waterglass, silica, it is characterized in that using rice husk or rice husk and wood chip mixture as wooden inserts, silica has comprised the various production wastes that artificial silica or dioxide-containing silica are not less than 80% silica powdery, and food ingredient is prepared according to following ratio (ratio of weight and number):
Rice husk (perhaps rice husk and wood chip mix mixture) by arbitrary proportion---100
Sodium matter liquid glass---25-50 according to the dry matter adding
Silica---10-70
Suggestion uses artificial, specific area to surpass 50m in this programme
2The dioxide of the silicon of/g and silica (SiO
2Content be 80% or more various production waste).The chlorine and the iron that contain a large amount of destruction sodium metasilicate in these waste materials neutralize by adding sodium matter liquid glass.Chromium, aluminium, zirconium and some other composition in the waste material can play the effect of gaining in strength simultaneously, and can improve the resistance to water of product.Can use a spot of perfluoroethane sodium metasilicate additive in order to accelerate curing reaction in some cases, additional proportion is no more than 1 (ratio of weight and number).
Used the sodium matter liquid glass aqueous solution in this programme, modulus is 2.4-3.6, and density is 1.4-1.6g/cm
3Use artificial, specific area to surpass 50m
2Micro-silica powder scrap in the dioxide of the silicon of/g or the various metallurgical production (amorphous silica content is not less than 80%) as new modifier, plays solidification.
The specific embodiment
Rice husk plate sample is according to following program making:
Begin to prepare adhesive.Modulus is that 2.4-3.6, density are 1.4-1.6g/cm
3The dioxide of sodium matter liquid soluble glass (25-50 ratio of weight and number) and silicon or Cab-O-sil (10-70 ratio of weight and number) stir after mixing.Put rice husk or rice husk and sawdust mixture into resulting bonding species and stir once more, can add binding (100 ratio of weight and number) according to circumstances on a small quantity.
Batching after stirring is taped against in the mould equably, under the pressure of 1.0-4.0Mpa, colds pressing and furnace temperature is transferred to 150-200 ℃, slowly be cooled to moisture afterwards and evaporate fully.The density of making plate is 850-1400kg/cm
3
The slab of making is cut according to specification and detect according to " wooden shavings plate " 10632-89 GB.
The application's sheet material batching and sample see Table 1.Its physical and mechanical properties index sees Table 2.
As seen from the table, the application uses rice husk or rice husk and sawdust mixture as wooden inserts, can produce that intensity is big, the sheet material of water-tolerant.This method is the waste material in the processing of the various agriculturals of digestibility and utilization, timber and the metallurgical production fully.
Table 1
Table 2
Claims (1)
1. rice-shell board mixture, comprise wooden inserts, sodium matter waterglass, silica, it is characterized in that: use rice husk or rice husk and wood chip mixture as wooden inserts, silica has comprised the various metallurgical production waste materials that artificial silica or dioxide-containing silica are not less than 80% silica powdery, and food ingredient is according to the ratio preparation of following parts by weight:
Rice husk---100
Sodium matter liquid glass---25-50 according to the dry matter adding
Silica---10-70.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2005111841 | 2005-04-20 | ||
| RU2005111841/04A RU2291051C1 (en) | 2005-04-20 | 2005-04-20 | Composition for plates made from rice shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1853887A CN1853887A (en) | 2006-11-01 |
| CN100398281C true CN100398281C (en) | 2008-07-02 |
Family
ID=37194478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610066037XA Expired - Fee Related CN100398281C (en) | 2005-04-20 | 2006-03-27 | Rice-shell board mixture |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100398281C (en) |
| RU (1) | RU2291051C1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234500B (en) * | 2008-02-27 | 2010-09-15 | 中南林业科技大学 | Silicon carbide super-hydrophobic antisepsis wood bamboo and preparation thereof |
| CN101234495B (en) * | 2008-02-27 | 2010-08-04 | 中南林业科技大学 | Micro nanometer silicon charing super-hydrophobic antisepsis wood and preparation thereof |
| CN102390073A (en) * | 2009-09-16 | 2012-03-28 | 廖树汉 | Ceramic-fiber-like thermal insulation fireproof board without burning and smoke at thousand DEG C, produced by using cornstalk |
| CN102514339A (en) * | 2009-09-16 | 2012-06-27 | 廖树汉 | Fireproof plate with non-combustible in 1000 DEG C, smoke resistance and insulation like ceramic fiber produced by packing box paper |
| CN105421620A (en) * | 2014-09-20 | 2016-03-23 | 廖树汉 | Heat-preserving soundproof and environment-friendly wheat straw wall allowing floors to be multiplied and avoiding collapse during fires |
| CN105421621A (en) * | 2014-09-20 | 2016-03-23 | 廖树汉 | Heat-preserving environment-friendly cornstalk wall allowing floors to be multiplied, increasing usable area and reducing fires |
| CN105421619A (en) * | 2014-09-21 | 2016-03-23 | 廖树汉 | Collapse-free and environment-friendly branch wall allowing fire-free usable area of building to be multiplied |
| CN105153728B (en) * | 2015-10-15 | 2018-04-17 | 郑祯勋 | A kind of plant fiber silication plate and its manufacture method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053386A (en) * | 1991-03-07 | 1991-07-31 | 中国林业科学研究院木材工业研究所 | Fire-resistant-chipboard |
| RU2057773C1 (en) * | 1989-11-09 | 1996-04-10 | Днепропетровский химико-технологический институт им.Ф.Э.Дзержинского | Composition for splint-slab plates |
| RU2150376C1 (en) * | 1999-08-24 | 2000-06-10 | Институт химии твердого тела и механохимии СО РАН | Chipboard composition |
| RU2152416C1 (en) * | 1998-11-26 | 2000-07-10 | Институт химии твердого тела и механизации СО РАН | Method of preparing adhesive composition |
| CN2473246Y (en) * | 2001-03-23 | 2002-01-23 | 杨树团 | Light cement plate |
-
2005
- 2005-04-20 RU RU2005111841/04A patent/RU2291051C1/en active
-
2006
- 2006-03-27 CN CNB200610066037XA patent/CN100398281C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2057773C1 (en) * | 1989-11-09 | 1996-04-10 | Днепропетровский химико-технологический институт им.Ф.Э.Дзержинского | Composition for splint-slab plates |
| CN1053386A (en) * | 1991-03-07 | 1991-07-31 | 中国林业科学研究院木材工业研究所 | Fire-resistant-chipboard |
| RU2152416C1 (en) * | 1998-11-26 | 2000-07-10 | Институт химии твердого тела и механизации СО РАН | Method of preparing adhesive composition |
| RU2150376C1 (en) * | 1999-08-24 | 2000-06-10 | Институт химии твердого тела и механохимии СО РАН | Chipboard composition |
| CN2473246Y (en) * | 2001-03-23 | 2002-01-23 | 杨树团 | Light cement plate |
Non-Patent Citations (1)
| Title |
|---|
| 利用改性水玻璃作胶粘剂制刨花板. A.A.埃尔贝特等.林业建设，第5期. 1996 * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2291051C1 (en) | 2007-01-10 |
| RU2005111841A (en) | 2006-10-27 |
| CN1853887A (en) | 2006-11-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 |