CN110405900A - The method for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic - Google Patents
The method for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic Download PDFInfo
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- CN110405900A CN110405900A CN201810392100.1A CN201810392100A CN110405900A CN 110405900 A CN110405900 A CN 110405900A CN 201810392100 A CN201810392100 A CN 201810392100A CN 110405900 A CN110405900 A CN 110405900A
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- China
- Prior art keywords
- lignocellulosic
- furfural dregs
- raw material
- environment protection
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/08—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood fibres, e.g. produced by tearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/006—Pretreatment of moulding material for increasing resistance to swelling by humidity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of methods for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic, this method hydrolyzes furfural dregs remaining in furfurol reaction technique processed as raw material using lignocellulosic, manufactures formaldehydeless environment protection biological plate by processes such as immersion, grinding, hot pressing.The biology plate property index has reached or the requirement more than GB/T 11718-2009, GB/T 21723-2008, and the density of the plate is 0.3-1.7g/cm3, elasticity modulus 14.57-37.22MPa, plastic modulus 2859-6099MPa.This method can turn waste into wealth the waste in lignocellulosic furfural technique, the performance indicator of plate can compare existing plate and also its without formaldehyde, moisture-proof, simple production process solves the problem of environmental pollution and better economy of waste in lignocellulosic furfural technique again.
Description
Technical field
The invention belongs to energy technology fields, and in particular to a kind of to prepare environmental protection by raw material of the furfural dregs of lignocellulosic
The method of type biology plate.
Background technique
In the case where petroleum resources are increasingly depleted and stalk administers increasingly urgent overall situation, various countries are gradually increased to environment and gloomy
The protection of woods resource, and demand of the society to the formaldehydeless environment protection biological plate of no glue is continuing to increase, various countries increase pair
The research dynamics of biomass and biomass chemical industrial waste object production environment protection biological plate, using lignocellulosic furfural dregs as raw material
Preparing environment protection biological plate is exactly to utilize the waste of lignocellulosic production furfural for a kind of novel environment friendly of raw material manufacture
Biological plate wherein various physical and chemical indexes have reached the index request of medium density fibre board (MDF), and formaldehyde zero-emission and does not add
Add any adhesive, that is, protects the forest reserves to meet environmental requirement again, and there is excellent processing performance.
Summary of the invention
Environment protection biological plate is prepared by raw material of the furfural dregs of lignocellulosic the object of the present invention is to provide a kind of
Method.
A kind of method for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic of the present invention, by as follows
Measure is realized:
A method of environment protection biological plate being prepared by raw material of the furfural dregs of lignocellulosic, this method is with wooden fibre
It is primary raw material that dimension element, which prepares the waste furfural dregs in furfural technique, successively passes through the processes such as immersion, grinding, precompressed, hot pressing
Manufacture formaldehydeless environment protection biological plate.
The immersion is that lignocellulosic furfural dregs and aqueous solution are impregnated 1- with the ratio of mass ratio 1:0.5-1:100
50h (preferably with the ratio of 1:5-1:15) impregnates 4-36h and fiber is sufficiently softened and swollen.Wherein aqueous solution includes but unlimited
In pure water, solder(ing)acid, glycerine water solution and magnesium chloride brine etc..
The grinding is first to be separated by solid-liquid separation the lignocellulosic furfural dreg slurry after immersion, wherein solid ball
Mill is with 150-600rpm revolving speed grinding 0.5-15h (the revolving speed grinding 1-6h of preferably 300-550rpm)；Fibre length after grinding
For 0.5-30mm, liquids recovery is recycled.
The precompressed is uniformly to be paved on the swollen lignocellulosic furfural dregs after grinding in mold, in 1-7Mpa
Pre-stamped 2-5min under the pressure of (preferably 3-6Mpa).
The hot pressing mode is intermittent concora crush, pressing conditions are as follows: pressure 1-10Mpa, hot pressing temperature are 60-170 DEG C,
Hot pressing time is 1-15h；Optimum condition are as follows: pressure 4-7Mpa, 90-150 DEG C of hot pressing temperature, hot pressing time 3-10h.
The performance indicator that the present invention prepares environment protection biological plate using lignocellulosic furfural dregs as raw material is as follows: density is
0.3-1.7g/cm3, elasticity modulus 14.57-37.22MPa, plastic modulus 2859-6099MPa.
Advantages of the present invention:
The present invention has the advantages that the environment protection biological plate not only in elasticity modulus, quiet song compared to other technologies
Middle density is all met or exceeded in the various performance indicators such as intensity, internal bond strength, surface bonding strength, thickness swelling rate
The performance requirement of fiberboard.And formaldehyde zero-emission, non-adhesive, any chemical reagent is not added, and it preserves the ecological environment, it is full
Toe ring guaranteed request, increases social benefit.
Detailed description of the invention
Fig. 1 is the apparent effect pattern of the finally formed biological plate of lignocellulosic furfural dregs of the present invention；
Fig. 2 is the finally formed biological plate of lignocellulosic furfural dregs of the present invention in the omnipotent examination of MWW-10E type wood-based plate
Test stretching experimental performance data on machine.
Specific embodiment
The present invention is further elaborated combined with specific embodiments below, embodiment is merely to illustrate the present invention, and
It is not used in and limits the scope of the invention.
Embodiment 1
Below in conjunction with example, the invention will be further described: lignocellulosic being produced remaining in furfural technique
Furfural dregs are dried, and the furfural dregs (moisture content < 10%) and pure water after drying impregnate 4h with the ratio of 1:15 (w/w),
So that fiber sufficiently softens and swollen.By the furfural dregs ball milling after immersion with 300rpm revolving speed grinding 1h, swollen after grinding
Fibre length is 0.5-30mm in furfural dregs.The furfural dregs of swollen after grinding are uniformly paved in mold, in the pressure of 3Mpa
Lower precompressed 2-5min.It then is 4Mpa in pressure, hot pressing temperature is 90 DEG C, and hot pressing time is under the operating condition of 3h, after grinding
Lignocellulosic furfural dregs, which are fitted into mold, to be pressed.Hot-forming biological plate is then taken out depending on the application by it
It is cut into different sizes.Above example is to prepare the process of environment protection biological plate.Lignocellulosic furfural of the present invention
The finally formed biological apparent effect pattern of plate of slag is as shown in Figure 1, the finally formed life of lignocellulosic furfural dregs of the present invention
It is as shown in Figure 2 that object plate stretches experimental performance data on MWW-10E type wood-based plate universal testing machine.The present invention is with wood fibre
Plain furfural dregs are as follows for the performance indicator that raw material prepares environment protection biological plate: density 0.79g/cm3, elasticity modulus is
26.76MPa, plastic modulus 4953MPa.
Embodiment 2
Below in conjunction with example, the invention will be further described: lignocellulosic being produced remaining in furfural technique
Furfural dregs are dried, and the furfural dregs (moisture content < 10%) and pure water after drying are impregnated with the ratio of 1:0.5 (w/w)
50h, so that fiber sufficiently softens and swollen.By the furfural dregs ball milling after immersion with 550rpm revolving speed grinding 6h, moisten after grinding
Fibre length is 0.5-30mm in swollen furfural dregs.The furfural dregs of swollen after grinding are uniformly paved in mold, 6Mpa's
Precompressed 2-5min under pressure.It then is 7Mpa in pressure, hot pressing temperature is 150 DEG C, and hot pressing time is that will grind under the operating condition of 10h
Lignocellulosic furfural dregs after solution, which are fitted into mold, to be pressed.Then take out hot-forming biological plate according to
Way is cut into different sizes.Above example is to prepare the process of environment protection biological plate.Wood fibre of the present invention
The finally formed biological apparent effect pattern of plate of plain furfural dregs is as shown in Figure 1, lignocellulosic furfural dregs most end form of the present invention
At biological plate that experimental performance data are stretched on MWW-10E type wood-based plate universal testing machine is as shown in Figure 2.The present invention is with wood
Matter cellulose furfural dregs are as follows for the performance indicator that raw material prepares environment protection biological plate: density 1.7g/cm3, elasticity modulus
For 37.22MPa, plastic modulus 6099MPa.
Embodiment 3
Below in conjunction with example, the invention will be further described: lignocellulosic being produced remaining in furfural technique
Furfural dregs are dried, the furfural dregs (moisture content < 10%) and 10wt%ZnCl after drying2Aqueous solution is with 1:5's (w/w)
After ratio impregnates 1h, so that fiber sufficiently softens and swollen.By the furfural dregs ball milling after immersion with 550rpm revolving speed grinding 6h,
Fibre length is 0.5-30mm in the furfural dregs of swollen after grinding.The furfural dregs of swollen after grinding are uniformly paved in mold,
The precompressed 2-5min under the pressure of 3Mpa.It then is 7Mpa in pressure, hot pressing temperature is 90 DEG C, and hot pressing time is the operating condition of 3h
Under, the lignocellulosic furfural dregs after grinding are fitted into mold and are pressed.Then take out hot-forming biological plate
Material is cut into different sizes depending on the application.Above example is to prepare the process of environment protection biological plate.The present invention
The finally formed biological apparent effect pattern of plate of lignocellulosic furfural dregs is as shown in Figure 1, lignocellulosic furfural of the present invention
It is as shown in Figure 2 that the finally formed biological plate of slag stretches experimental performance data on MWW-10E type wood-based plate universal testing machine.This
The performance indicator that invention prepares environment protection biological plate using lignocellulosic furfural dregs as raw material is as follows: density 0.65g/cm3,
Elasticity modulus is 18.75MPa, plastic modulus 3878MPa.
Embodiment 4
Below in conjunction with example, the invention will be further described: lignocellulosic being produced remaining in furfural technique
Furfural dregs are dried, and the furfural dregs (moisture content < 10%) and pure water after drying impregnate 6h with the ratio of 1:10 (w/w),
So that fiber sufficiently softens and swollen.By the furfural dregs ball milling after immersion with 500rpm revolving speed grinding 4h, swollen after grinding
Fibre length is 0.5-30mm in furfural dregs.The furfural dregs of swollen after grinding are uniformly paved in mold, in the pressure of 6Mpa
Lower precompressed 2-5min.It then is 7Mpa in pressure, hot pressing temperature is 120 DEG C, and hot pressing time is under the operating condition of 10h, after grinding
Lignocellulosic furfural dregs be fitted into mold and be pressed.Hot-forming biological plate is then taken out depending on the application will
It is cut into different sizes.Above example is to prepare the process of environment protection biological plate.Lignocellulosic chaff of the present invention
The finally formed biological apparent effect pattern of plate of aldehyde slag is as shown in Figure 1, lignocellulosic furfural dregs of the present invention are finally formed
It is as shown in Figure 2 that biological plate stretches experimental performance data on MWW-10E type wood-based plate universal testing machine.The present invention is with wooden fibre
It is as follows to tie up the performance indicator that plain furfural dregs prepare environment protection biological plate for raw material: density 1.2g/cm3, elasticity modulus is
30.82MPa, plastic modulus 5693MPa.
Embodiment 5
Below in conjunction with example, the invention will be further described: lignocellulosic being produced remaining in furfural technique
Furfural dregs are dried, and the furfural dregs (moisture content < 10%) and 10wt% glycerine water solution after drying are with 1:5's (w/w)
After ratio impregnates 3h, so that fiber sufficiently softens and swollen.By the furfural dregs ball milling after immersion with 550rpm revolving speed grinding 6h,
Fibre length is 0.5-30mm in the furfural dregs of swollen after grinding.The furfural dregs of swollen after grinding are uniformly paved in mold,
The precompressed 2-5min under the pressure of 3Mpa.It then is 7Mpa in pressure, hot pressing temperature is 90 DEG C, and hot pressing time is the operating condition of 3h
Under, the furfural dregs after lignocellulosic grinding are fitted into mold and are pressed.Then take out hot-forming biological plate
Material is cut into different sizes depending on the application.Above example is to prepare the process of environment protection biological plate.The present invention
The finally formed biological apparent effect pattern of plate of lignocellulosic furfural dregs is as shown in Figure 1, lignocellulosic furfural of the present invention
It is as shown in Figure 2 that the finally formed biological plate of slag stretches experimental performance data on MWW-10E type wood-based plate universal testing machine.This
The performance indicator that invention prepares environment protection biological plate using lignocellulosic furfural dregs as raw material is as follows: density 0.53g/cm3,
Elasticity modulus is 14.57MPa, plastic modulus 2859MPa.
Claims (10)
1. a kind of method for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic, it is characterised in that this method
Using the furfural dregs of lignocellulosic as primary raw material, formaldehydeless environment protection biological successively is manufactured by immersion, grinding, hot pressing
Plate.
2. the method according to claim 1 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the immersion is by lignocellulosic furfural dregs and aqueous solution with mass ratio 1:0.5~100, ratio impregnate
1-50h, so that fiber sufficiently softens and swollen；
The aqueous solution is including but not limited to pure water, solder(ing)acid, glycerine water solution and magnesium chloride brine.
3. the method according to claim 2 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the lignocellulosic furfural dregs and aqueous solution preferably impregnate 4-36h with mass ratio 1:5~15.
4. the method according to claim 1 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the grinding is first to be separated by solid-liquid separation the lignocellulosic furfural dreg slurry after immersion, wherein solid ball
For mill with 150-600rpm revolving speed grinding 0.5-15h, the fibre length after grinding is 0.5-30mm, and liquids recovery recycles.
5. the method according to claim 4 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that solid is with ball milling preferably with 300-550rpm revolving speed grinding 1-6h.
6. the method according to claim 1 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the precompressed is uniformly to be paved on the swollen lignocellulosic furfural dregs after grinding in mold, 1-7Mpa's
Pre-stamped 2-5min under pressure.
7. the method according to claim 6 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the precompressed is uniformly to be paved on the swollen lignocellulosic furfural dregs after grinding in mold, preferably in 3-
Pre-stamped 2-5min under the pressure of 6Mpa.
8. the method according to claim 1 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the hot pressing mode is intermittent concora crush, pressing conditions are as follows: pressure 1-10Mpa；60-170 DEG C of hot pressing temperature, heat
The pressure time is 1-15h.
9. the method according to claim 8 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that it is preferred that pressing conditions are as follows: pressure 4-7Mpa；90-150 DEG C of hot pressing temperature；Hot pressing time 3-10h.
10. the method according to claim 1 for preparing environment protection biological plate as raw material using the furfural dregs of lignocellulosic,
It is characterized in that the performance indicator for preparing environment protection biological plate using lignocellulosic furfural dregs as raw material is as follows: density 0.3-
1.7g/cm3, elasticity modulus 14.57-37.22MPa, plastic modulus 2859-6099MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392100.1A CN110405900B (en) | 2018-04-27 | 2018-04-27 | Method for preparing environment-friendly biological board by taking furfural residue of lignocellulose as raw material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392100.1A CN110405900B (en) | 2018-04-27 | 2018-04-27 | Method for preparing environment-friendly biological board by taking furfural residue of lignocellulose as raw material |
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Cited By (2)
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|---|---|---|---|---|
| CN111892826A (en) * | 2020-07-24 | 2020-11-06 | 中国科学院山西煤炭化学研究所 | Furfural residue block material, preparation method and application |
| CN113771173A (en) * | 2021-09-15 | 2021-12-10 | 内蒙古工业大学 | Preparation method of completely degradable coating fiberboard based on soybean straws |
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| CN111892826A (en) * | 2020-07-24 | 2020-11-06 | 中国科学院山西煤炭化学研究所 | Furfural residue block material, preparation method and application |
| CN113771173A (en) * | 2021-09-15 | 2021-12-10 | 内蒙古工业大学 | Preparation method of completely degradable coating fiberboard based on soybean straws |
| CN113771173B (en) * | 2021-09-15 | 2023-09-08 | 内蒙古工业大学 | Preparation method of completely degradable coating fiberboard based on soybean straw |
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| Publication number | Publication date |
|---|---|
| CN110405900B (en) | 2022-04-12 |
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