CN1360994A - Densified straw board and its production process - Google Patents
Densified straw board and its production process Download PDFInfo
- Publication number
- CN1360994A CN1360994A CN 00136154 CN00136154A CN1360994A CN 1360994 A CN1360994 A CN 1360994A CN 00136154 CN00136154 CN 00136154 CN 00136154 A CN00136154 A CN 00136154A CN 1360994 A CN1360994 A CN 1360994A
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- densified
- manufacture method
- stalk
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Abstract
The production process of densified straw board incldues: sorting plant straw; cutting; digestion; crushing; stoving; mixing with adhesive while stirring; and stoving to form. By using straw as waste material as raw material, the present invention can eliminate environmental pollution caused by incineration and piling of straw while making densified and high-strength board. The produced board has round corners for facilitating use and transport.
Description
The present invention relates to a kind of vegetable fibre board and manufacture method thereof, particularly a kind of densified straw board and manufacture method thereof.
At present, the method that adopts string to make density board mostly is thin ligneous plant stalk manufacturings such as adopting sunflower pole, soybean straw, eggplant bar, waste of flax, straw, and need add additives such as anti-blushing agent, curing agent, manufacturing process complexity when making.
The objective of the invention is to: a kind of densified straw board and manufacture method thereof are provided, and are raw material with wherein one or more of the cornstalk that reclaims, rice bar, wheat straw, the product densification, and the intensity height, manufacturing process is simple.
The present invention is achieved in that a kind of manufacture method of densified straw board, 1. selected straw; 2. cut off; 3. with stalk 150 ℃ of following boilings more than 1 hour; 4. stalk is broken into pigment and is the particle of particle diameter less than 3mm; 5. oven dry; 6. adding weight in the stalk fibre particle is the glue of stalk fibre particle weight 25%-35%; 7. fully stir; 8. pressurizeing more than 200 kilograms bake pressure, moulding on the bake pressure machine.
The weight of described glue is stalk fibre particle weight 20%.
The manufacture method of described glue is: formaldehyde is heated after 30 ℃, after adding weight is the urea of formaldehyde weight 40%, heat and add caustic soda to 60 ℃ and make the pH value be adjusted into the 7.5-8.0 scope, add ammonium chloride again and make the pH value be adjusted into the 5.1-4.8 scope, the urea that adds weight at last and be formaldehyde weight 11% gets final product.
A kind of densified straw board made from said method, four jiaos of plate is circular arc.
The present invention has solved crop straw burning and has stacked the problem of environmental pollution that causes owing to utilized agricultural stalk class discarded object as raw material, and the manufactured goods densification, the intensity height, and manufacturing process is simple; Manufactured goods are that circular arc can make things convenient for using and transporting of sheet material for four jiaos.
The present invention will be further described below in conjunction with embodiment.
100 kilograms of the 1. selected cornstalks of embodiment 1.; 2. cut off; 3. with stalk 1502 times boilings more than 1 hour; 4. stalk is broken into pigment and is the particle of particle diameter less than 3mm; 5. oven dry; 6. in the stalk fibre particle, add weight and be 25 kilograms glue; 7. fully stir; 8. pressurizeing more than 200 kilograms bake pressure, moulding on the bake pressure machine.The manufacture method of described glue is: 50 kilograms of formaldehyde are heated after 30 ℃, after adding 20 kilograms of urea of weight, heating adds caustic soda to 60 ℃ and makes the pH value be adjusted into the 7.5-8.0 scope, adds ammonium chloride again and makes the pH value be adjusted into the 5.1-4.8 scope, and the urea that adds 5.5 kilograms of weight at last gets final product.
Embodiment 2. selects the rice bar according to the method for embodiment 1, with 35 kilograms in glue.
Embodiment 3. selects totally 100 kilograms on wheat straw and rice bar according to the method for embodiment 1, with 20 kilograms in glue.
Claims (5)
1. the manufacture method of a densified straw board, 1. selected straw; 2. cut off; 3. with stalk 150 ℃ of following boilings more than 1 hour; 4. stalk is broken into pigment and is the particle of particle diameter less than 3mm; 5. oven dry; 6. adding weight in the stalk fibre particle is the glue of stalk fibre particle weight 25%-35%; 7. fully stir; 8. pressurizeing more than 200 kilograms moulding on the bake pressure machine.
2. the manufacture method of densified straw board according to claim 1, described straw are wherein one or more of cornstalk, rice bar, wheat straw.
3. the manufacture method of densified straw board according to claim 1 and 2, the weight of described glue is stalk fibre particle weight 20%.
4. the manufacture method of densified straw board according to claim 1 and 2, the manufacture method of described glue is: formaldehyde is heated after 30 ℃, after adding weight is the urea of formaldehyde weight 40%, heat and add caustic soda to 60 ℃ and make the pH value be adjusted into the 7.5-8.0 scope, add ammonium chloride again and make the pH value be adjusted into the 5.1-4.8 scope, the urea that adds weight at last and be formaldehyde weight 11% gets final product.
5. densified straw board made from the described method of claim 1, it is characterized in that: four jiaos of plate is circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00136154 CN1116152C (en) | 2000-12-26 | 2000-12-26 | Densified straw board and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00136154 CN1116152C (en) | 2000-12-26 | 2000-12-26 | Densified straw board and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1360994A true CN1360994A (en) | 2002-07-31 |
| CN1116152C CN1116152C (en) | 2003-07-30 |
Family
ID=4597096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00136154 Expired - Fee Related CN1116152C (en) | 2000-12-26 | 2000-12-26 | Densified straw board and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1116152C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336759C (en) * | 2003-07-04 | 2007-09-12 | 张光辉 | Fiberboard made of straw and its manufacturing method |
| CN102015230B (en) * | 2008-05-07 | 2014-12-31 | Oci氮有限公司 | Process for the preparation of a panel |
| CN104526831A (en) * | 2014-12-19 | 2015-04-22 | 江南大学 | Straw plate and preparing method thereof |
| WO2019019443A1 (en) | 2017-07-25 | 2019-01-31 | 中国科学院长春应用化学研究所 | Chlorinated poly(propylene carbonate)/biomass composite material and preparation method therefor |
| CN110181639A (en) * | 2019-06-03 | 2019-08-30 | 济宁三联木业有限公司 | A kind of manufacturing method of environment-friendly type decoration panel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429056C (en) * | 2006-06-20 | 2008-10-29 | 江苏大盛板业有限公司 | Method for producing aldehyde-free soft board made of wheat straw |
-
2000
- 2000-12-26 CN CN 00136154 patent/CN1116152C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336759C (en) * | 2003-07-04 | 2007-09-12 | 张光辉 | Fiberboard made of straw and its manufacturing method |
| CN102015230B (en) * | 2008-05-07 | 2014-12-31 | Oci氮有限公司 | Process for the preparation of a panel |
| CN104526831A (en) * | 2014-12-19 | 2015-04-22 | 江南大学 | Straw plate and preparing method thereof |
| WO2019019443A1 (en) | 2017-07-25 | 2019-01-31 | 中国科学院长春应用化学研究所 | Chlorinated poly(propylene carbonate)/biomass composite material and preparation method therefor |
| US11236230B2 (en) | 2017-07-25 | 2022-02-01 | Changchun Institute Of Applied Chemistry Chinese Academy Of Sciences | Chlorinated poly(propylene carbonate)/biomass composite material and method for preparing the same |
| CN110181639A (en) * | 2019-06-03 | 2019-08-30 | 济宁三联木业有限公司 | A kind of manufacturing method of environment-friendly type decoration panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1116152C (en) | 2003-07-30 |
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| CF01 | Termination of patent right due to non-payment of annual fee |