CN102514069A - Sawdust board for fuel and manufacturing method thereof - Google Patents
Sawdust board for fuel and manufacturing method thereof Download PDFInfo
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- CN102514069A CN102514069A CN2011104481882A CN201110448188A CN102514069A CN 102514069 A CN102514069 A CN 102514069A CN 2011104481882 A CN2011104481882 A CN 2011104481882A CN 201110448188 A CN201110448188 A CN 201110448188A CN 102514069 A CN102514069 A CN 102514069A
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- sawdust
- fuel
- particle board
- binding agent
- glue
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Abstract
The invention belongs to the field of reutilization of waste sawdust resources produced during wood production and relates to a sawdust board for fuel and a manufacturing method thereof. The sawdust board for the fuel is manufactured from sawdust and a bonding agent as raw materials, wherein the amount of the bonding agent is 1 to 10 percent of the weight of the sawdust; and the bonding agent is urea-formaldehyde resin. The waste sawdust is pressed into plates, so the waste sawdust can be effectively gathered and molded, transportation and stacking management are facilitated, the waste sawdust which is inconvenient to process is effectively used, and the effective utilization of waste resources is realized. The sawdust plates can serve as the fuel, and is particularly suitable for the fuel of coal boilers; and the waste sawdust resources are reused, the problem that a large number of sawdust is wasted is solved, the defects that the sawdust cannot be completely combusted if being directly combusted and flies with air flow because the sawdust is light are overcome, and the problem of explosion because of overmuch dust is solved at the same time.
Description
Technical field
The invention belongs to the useless time sawdust resource reutilization field that timber produces, relate to a kind of fuel with wood particle board and preparation method thereof.
Background technology
The leftover materials such as sawdust that particieboard, timber manufacturer are produced in Wood Processing are except few part is recycled, and major part is all by idle as waste material; Because the bonding agent that most of sawdust is sticking contains industrial chemicals compositions such as formaldehyde, can impact environment if directly abandon, run counter to environmental protection policy.The producer that has directly burns sawdust for handling sawdust, but then light because of sawdust, is prone to fly away, and causes incomplete combustion, simultaneously because dust too much possibly set off an explosion.
Summary of the invention
The present invention is directed to above-mentioned defective, in order to utilize idle a large amount of useless time sawdust, a kind of wood particle board that utilizes useless time sawdust to make is provided, the gained wood particle board can be used for boiler oil.
Technical scheme of the present invention is:
A kind of fuel is used wood particle board, is that raw material is processed with sawdust and binding agent, and wherein the consumption of binding agent is the 1-10% of sawdust weight, and said binding agent is a urea-formaldehyde resin adhesive.
Preferably, said sawdust is the solid wood sawdust, contains at least a in the glue sawdust.
Preferably, said fuel uses wood particle board to process as raw material with solid wood sawdust and binding agent, and wherein the consumption of binding agent is the 6-10% of solid wood sawdust weight.
Preferred, said fuel uses wood particle board to process as raw material with solid wood sawdust and binding agent, and wherein the consumption of binding agent is the 8-10% of solid wood sawdust weight.
Preferably, said fuel uses wood particle board to process as raw material to contain glue sawdust and binding agent, and wherein the consumption of binding agent is the 4-8% that contains glue sawdust weight.
Preferred, said fuel uses wood particle board to process as raw material to contain glue sawdust and binding agent, and wherein the consumption of binding agent is the 6-8% that contains glue sawdust weight.
Preferably, said fuel use wood particle board with the solid wood sawdust, contain the glue sawdust and binding agent is processed as raw material, solid wood sawdust wherein: contain the glue sawdust: the weight ratio of binding agent is: 20-30: 70-80: 1-2.5.
Preferred, said fuel use wood particle board with the solid wood sawdust, contain the glue sawdust and binding agent is processed as raw material, solid wood sawdust wherein: contain the glue sawdust: the weight ratio of binding agent is: 30: 70: 1.
The present invention also provides the preparation method of above-mentioned fuel with wood particle board, is about to sawdust and binding agent and processes wood particle board with said ratio hot pressing.
Preferably, in the said method, hot pressing time is 27～33 minutes, and hot pressing temperature is 145～155 degree, and hot pressing pressure is 18～22Mpa.
Beneficial effect of the present invention:
To give up time sawdust of the present invention is pressed into plate, can effectively assemble moulding with discarding sawdust, is beneficial to transportation, stacks management, and the discarded sawdust of be inconvenient to handle is utilized effectively, the realization inferior resources effective utilization of giving up.The gained wood particle board can be used as fuel, especially is suitable for the fuel of coal-burning boiler; Thereby make useless time sawdust resource reutilization, solved the idle problem of a large amount of sawdusts, overcome the defective that the direct burning of sawdust can not be burnt fully, the light meeting of sawdust is dispersed along with air-flow, also avoided simultaneously because the problem that dust too much sets off an explosion.
The specific embodiment
A kind of fuel is used wood particle board, is that raw material is processed with sawdust and binding agent, and wherein the consumption of binding agent is the 1-10% of sawdust weight, and said binding agent is a Lauxite.If the binding agent consumption very little, can not make sawdust become plate; If the binding agent consumption is too much, then can cause the moisture content of gained wood particle board too high (burning generally is controlled in 14% with the moisture content of wood particle board), and cost is higher.
Sawdust, be meant when carrying out Wood Processing because cutting and from the trees the foam shape wood chip of fallen trees itself.Itself must add glue when containing the glue sawdust and be the board materials production of for example laminated timber, glued board class, so sheet material itself contains glue, the sawdust of generation is to contain the glue sawdust.
Preferably, said sawdust is the solid wood sawdust, contains at least a in the glue sawdust.
Preferably, said wood particle board is that raw material is processed with solid wood sawdust and binding agent, and wherein the consumption of binding agent is the 6-10% of solid wood sawdust weight; 8-10% more preferably.
Preferably, said wood particle board is that raw material is processed to contain glue sawdust and binding agent, and wherein the consumption of binding agent is the 4-8% that contains glue sawdust weight; 6-8% more preferably.
Preferably, said wood particle board with the solid wood sawdust, contain the glue sawdust and binding agent is that raw material is processed, solid wood sawdust wherein: contain the glue sawdust: the weight ratio of binding agent is: 20-30: 70-80: 1-2.5.
Preferred, said wood particle board with the solid wood sawdust, contain the glue sawdust and binding agent is that raw material is processed, solid wood sawdust wherein: contain the glue sawdust: the weight ratio of binding agent is: 30: 70: 1.
The present invention also provides the preparation method of above-mentioned fuel with wood particle board, is about to sawdust and binding agent and processes wood particle board with said ratio hot pressing.
Preferably, in the said method, hot pressing time is 27～33 minutes, and hot pressing temperature is 145～155 degree, and hot pressing pressure is 18～22Mpa.Overlong time, the too high urea-formaldehyde resin adhesive of temperature reacted and passed through (glue overdrying), caused bond degree not enough, and wood particle board can't moulding; It is not enough that too short, temperature of time is crossed low urea-formaldehyde resin adhesive reaction, also can cause the wood particle board can't moulding; Hypertonia sawdust profiled sheeting can't moulding, and frangible inside is powder, graininess, and hypotony can't moulding.
Through embodiment the present invention is specifically described below; It is important to point out that embodiment only is used for further specifying of the present invention; Can not be interpreted as the restriction to protection domain of the present invention, these those skilled in the art can make some nonessential improvement and adjustment according to the present invention.
Embodiment 1
Take by weighing 100g solid wood sawdust and 10g Lauxite, put into mould after stirring, with the compacting of 500t hot press, hot pressing temperature is 150 ℃ again, and hot pressing pressure is 20MPa, takes out behind the compacting 30min, promptly obtains wood particle board of the present invention.The gained wood particle board is beneficial to transportation and stacks management owing to assemble moulding, can be used as the fuel of coal-burning boiler.
Embodiment 2
Take by weighing 100g and contain glue sawdust and 7g Lauxite, put into mould after stirring, with the compacting of 500t hot press, hot pressing temperature is 150 ℃ again, and hot pressing pressure is 20MPa, takes out behind the compacting 30min, promptly obtains wood particle board of the present invention.The gained wood particle board is beneficial to transportation and stacks management owing to assemble moulding, can be used as the fuel of coal-burning boiler.
Embodiment 3
Take by weighing 70g and contain glue sawdust, 30g solid wood sawdust and 1g Lauxite, put into mould after stirring, with the compacting of 500t hot press, hot pressing temperature is 150 ℃ again, and hot pressing pressure is 20MPa, takes out behind the compacting 30min, promptly obtains wood particle board of the present invention.The gained wood particle board is beneficial to transportation and stacks management owing to assemble moulding, can be used as the fuel of coal-burning boiler.The inventor is surprised to find that in the experiment, contains glue sawdust (like embodiment 2) if all adopt, and the consumption of adhesive is that the gained wood particle board is moulding well just when containing the 4-8% of glue sawdust quality, is difficult for broken during transportation; And when using the solid wood sawdust simultaneously and containing the glue sawdust, only need to use the adhesive of the 1-2.5% that accounts for total sawdust quality can be shaped to sheet material well, and be difficult for during transportation broken.
The wood particle board of gained is as the boiler oil time spent among the embodiment 1-3, and we find the moulding well of gained wood particle board, and moisture content low (moisture content is all in 10%) is easy to burning, and plate is difficult for broken when transportation.It is thus clear that the present invention has fully recycled the waste gas sawdust, turns waste into wealth, and has practiced thrift coal resources.
Claims (10)
1. fuel is used wood particle board, it is characterized in that, and be that raw material is processed with sawdust and binding agent, wherein the consumption of binding agent is the 1-10% of sawdust weight, said binding agent is a Lauxite.
2. fuel according to claim 1 is used wood particle board, it is characterized in that, said sawdust is the solid wood sawdust, contain at least a in the glue sawdust.
3. use wood particle board according to the said fuel of claim 1, it is characterized in that, said sawdust is the solid wood sawdust, and wherein the consumption of binding agent is the 6-10% of solid wood sawdust weight.
4. use wood particle board according to the said fuel of claim 3, it is characterized in that, the consumption of binding agent is the 8-10% of solid wood sawdust weight.
5. use wood particle board according to the said fuel of claim 1, it is characterized in that, said sawdust is for containing the glue sawdust, and wherein the consumption of binding agent is the 4-8% that contains glue sawdust weight.
6. use wood particle board according to the said fuel of claim 5, it is characterized in that, the consumption of binding agent is the 6-8% that contains glue sawdust weight.
7. use wood particle board according to the said fuel of claim 1, it is characterized in that, said sawdust is the mixing that contains glue sawdust and solid wood sawdust, wherein solid wood sawdust: contain the glue sawdust: the weight ratio of binding agent is: 20-30: 70-80: 1-2.5.
8. use wood particle board according to the said fuel of claim 7, it is characterized in that, the solid wood sawdust: contain the glue sawdust: the weight ratio of binding agent is: 30: 70: 1.
9. each said fuel of claim 1-8 is characterized in that with the preparation method of wood particle board, and said sawdust and binding agent hot pressing are processed wood particle board.
10. fuel according to claim 9 is characterized in that with the preparation method of wood particle board hot pressing time is 27～33 minutes, and hot pressing temperature is 145～155 degree, and hot pressing pressure is 18～22Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104481882A CN102514069A (en) | 2011-12-28 | 2011-12-28 | Sawdust board for fuel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104481882A CN102514069A (en) | 2011-12-28 | 2011-12-28 | Sawdust board for fuel and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102514069A true CN102514069A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104481882A Pending CN102514069A (en) | 2011-12-28 | 2011-12-28 | Sawdust board for fuel and manufacturing method thereof |
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| CN (1) | CN102514069A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550093A (en) * | 1978-10-04 | 1980-04-11 | Seiichi Watanabe | Preparation of solid fuel from primary waste comprising vegetable cellulose |
| CN1047642A (en) * | 1990-03-13 | 1990-12-12 | 牡丹江市新技术应用研究所 | Make hollow section bar and production method with wood chip or rice husk |
| CN1195060A (en) * | 1998-04-01 | 1998-10-07 | 张金梁 | Artificial sawdust board |
| CN101066604A (en) * | 2007-06-12 | 2007-11-07 | 杨湘云 | Container floorboard of reconstructed sheet and wood chip and its production process |
| CN101332621A (en) * | 2007-06-29 | 2008-12-31 | 何金辉 | Processing method of saw powder urea-formaldehyde composite materials |
-
2011
- 2011-12-28 CN CN2011104481882A patent/CN102514069A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550093A (en) * | 1978-10-04 | 1980-04-11 | Seiichi Watanabe | Preparation of solid fuel from primary waste comprising vegetable cellulose |
| CN1047642A (en) * | 1990-03-13 | 1990-12-12 | 牡丹江市新技术应用研究所 | Make hollow section bar and production method with wood chip or rice husk |
| CN1195060A (en) * | 1998-04-01 | 1998-10-07 | 张金梁 | Artificial sawdust board |
| CN101066604A (en) * | 2007-06-12 | 2007-11-07 | 杨湘云 | Container floorboard of reconstructed sheet and wood chip and its production process |
| CN101332621A (en) * | 2007-06-29 | 2008-12-31 | 何金辉 | Processing method of saw powder urea-formaldehyde composite materials |
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Application publication date: 20120627 |