CN201132353Y - Fire retardant medium-density fiberboard from cotton stalks - Google Patents
Fire retardant medium-density fiberboard from cotton stalks Download PDFInfo
- Publication number
- CN201132353Y CN201132353Y CNU2007200420499U CN200720042049U CN201132353Y CN 201132353 Y CN201132353 Y CN 201132353Y CN U2007200420499 U CNU2007200420499 U CN U2007200420499U CN 200720042049 U CN200720042049 U CN 200720042049U CN 201132353 Y CN201132353 Y CN 201132353Y
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- CN
- China
- Prior art keywords
- cotton stalk
- medium density
- density fiberboard
- vermiculite
- inflaming retarding
- 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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- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The utility model provides a cotton stalk inflaming retarding medium density fiberboard which has a structure as follows: the cotton stalk medium density fiberboard is arranged between an upper surface layer of vermiculite fire-retardant material and a lower surface layer of vermiculite fire-retardant material, the thickness of the cotton stalk medium density fiberboard is between 8 and 15 millimeters, and the density is between 0.70 and 0.80 g/cm <3>, the thicknesses of the upper surface layer of vermiculite fire-retardant material and the lower surface layer of vermiculite fire-retardant material are respectively between 8 and 16 percent of the thickness of the cotton stalk inflaming retarding medium density fiberboard, the vermiculite adding amount is between 16 and 32 percent of the cotton stalk inflaming retarding medium density fiberboard. The cotton stalk inflaming retarding medium density fiberboard has the advantages that the cotton stalk is adopted to replace the wood or other plant fiber and is taken as the raw material to produce the medium density fiberboard, thereby effectively and synthetically adopting the remaining cotton stalk, saving the wood resources and protecting the entironment. The upper surface and the lower surface of the cotton stalk fiberboard slab are paved with foaming vermiculite which does not burn without a machine, one step method is adopted to produce the cotton stalk inflaming retarding medium density fiberboard in a heat pressing way. The cotton stalk inflaming retarding medium density fiberboard has good flaming retarding performance and can effectively reduce the flue gas releasing amount and the speed for generating the flue gas in the burning process of the material.
Description
Technical field
The utility model relates to cotton stalk is raw material, by cotton stalk is got the raw materials ready, fiber separation and processing, the cotton stalk burning-resistant medium density fibreboards of processing and manufacturing such as (top layer is the foaming vermiculite, and sandwich layer is a cotton stalk fiber) and hot pressing of mating formation by the slab three-decker.Belong to wood-based plate manufacturing technology field.
Background technology
Timber and composite wooden material be owing to have metal, the unrivaled advantage of plastic or other material, in modern architecture and human lives in occupation of consequence.But timber is the complicated macromolecular material that is formed by element combinations such as carbon, hydrogen, oxygen, is heated and can decomposes, and combustibility is its deadly defect.The generation of fire is often relevant without the combustibles of flame treatment with use.Along with the improvement of people's quality of life, the consumer more and more payes attention to indoor living environment, and medium density fibre board (MDF) will occupy increasing ratio in interior decoration, and therefore, the medium density fibre board (MDF) flame treatment is very important.
Summary of the invention
The purpose of this utility model is that proposing a kind of is raw material with cotton stalk, by cotton stalk is got the raw materials ready, fiber production and processing, the cotton stalk burning-resistant medium density fibreboards of processing and manufacturing such as (top layer is the foaming vermiculite, and sandwich layer is a cotton stalk fiber) and hot pressing of mating formation by the slab three-decker.This plate plate reaches the requirement of concerned countries standard.
Technical solution of the present utility model: its structure is to be cotton stalk medium density fibre board (MDF) between upper epidermis vermiculite fire proofing and following top layer vermiculite fire proofing, and its thickness is 8-15mm, density 0.70-0.80g/cm
3, the thickness of upper epidermis vermiculite fire proofing and following top layer vermiculite fire proofing respectively accounts for the 8-16% of cotton stalk burning-resistant medium density fibreboard thickness, and the vermiculite addition is 16%～32% vermiculite particieboard.
Advantage of the present utility model: adopting alternative timber of cotton stalk or other plant fiber is raw material, produces cotton stalk medium density fibre board (MDF), and both the remaining agricultural crop straw of high-efficiency comprehensive utilization was saved timber resources again, had protected ecological environment.Mat formation on the upper and lower surface of the cotton stalk fiber slab again foaming vermiculite of inorganic non-combustible of this patent, cotton stalk burning-resistant medium density fibreboard is produced in a step hot pressing.(top layer is the foaming vermiculite to three-decker, sandwich layer is a cotton stalk fiber) cotton stalk burning-resistant medium density fibreboard, by the combustibility test shows: compare with textile stalk medium density fibre board (MDF) under the same terms, its HRR peak value reduces, the evenly heat rate of release reduces, the burst size of always burning reduces, burning time postpones, mass loss reduces and smoke release reduces.
Description of drawings
Accompanying drawing 1 is the structural representation of cotton stalk burning-resistant medium density fibreboard.
Among the figure 1 is vermiculite fire proofing, the 2nd, cotton stalk medium density fibre board (MDF).
The specific embodiment
Contrast accompanying drawing 1, its structure is that upper epidermis vermiculite fire proofing and 1 of following top layer vermiculite fire proofing are cotton stalk medium density fibre board (MDF)s 2, its thickness is 8-15mm, density 0.70-0.80g/cm
3, the thickness of upper epidermis vermiculite fire proofing and following top layer vermiculite fire proofing respectively accounts for the 8-16% of cotton stalk burning-resistant medium density fibreboard thickness, and the vermiculite addition is 16%～32% vermiculite particieboard.
Embodiment 1: with cotton stalk is raw material, suppresses thick 15mm, density 0.70g/cm
3Cotton stalk fire-retardant in the winding fiberboard of density, earlier cotton stalk is broken into crushed straw aggregate.Particle carries out fiber separation through defibrator, the modified urea glue applying glue of separating obtained fiber, then carry out fiber drying, the sized dried fiber of cotton stalk is through the 2# spreading head slab sandwich layer that becomes to mat formation, and the foaming vermiculite is mated formation into the slab of the three-decker on the upper and lower top layer of slab (respectively account for slab thickness 8%) respectively through 1# and 3# spreading head, again through hot pressing, making hair plates cools off in the turnover panel cooling device, the temperature of sheet material is reduced, eliminate the plate internal stress, the cotton stalk burning-resistant medium density fibreboard of making.
Embodiment 2: with cotton stalk is raw material, suppresses thick 12mm, density 0.75g/cm
3Cotton stalk fire-retardant in the winding fiberboard of density, earlier to being broken into crushed straw aggregate.Particle carries out fiber separation through defibrator, the modified urea glue applying glue of separating obtained fiber, then carry out fiber drying, the sized dried fiber of cotton stalk is through the 2# spreading head slab sandwich layer that becomes to mat formation, and the foaming vermiculite is mated formation into the slab of the three-decker on the upper and lower top layer of slab (respectively account for slab thickness 12%) respectively through 1# and 3# spreading head, and slab is through hot pressing, hair plates cools off in the turnover panel cooling device, the temperature of sheet material is reduced, eliminate the plate internal stress, the cotton stalk burning-resistant medium density fibreboard of making.
Embodiment 3: with cotton stalk is raw material, suppresses thick 12,15,8mm, density 0.70,0.75,0.80g/cm
3Cotton stalk fire-retardant in the winding fiberboard of density, earlier cotton stalk is broken into crushed straw aggregate.Particle carries out fiber separation through defibrator, the modified urea glue applying glue of separating obtained fiber, then carry out fiber drying, the sized dried fiber of cotton stalk is through the 2# spreading head slab sandwich layer that becomes to mat formation, the foaming vermiculite is mated formation into the slab of the three-decker on the upper and lower top layer of slab (respectively account for slab thickness 8,12,16%) respectively through 1# and 3# spreading head, slab is through hot pressing, hair plates after the hot pressing cools off in the turnover panel cooling device, the temperature of sheet material is reduced, eliminate the plate internal stress, the cotton stalk of making hinders right medium density fibre board (MDF).
From the hot burst size performance of cotton stalk burning-resistant medium density fibreboard, HRR and total amount of heat that the interpolation of foaming vermiculite can reduce wooden flake board greatly discharge, and postpone burning time.According to the grade scale of Japan to the building material combustibility, the density that this experiment is suppressed is 0.70～0.80g/cm
3, the vermiculite addition is that 16%～32% vermiculite particieboard all reaches difficult combustion rank.And the vermiculite addition is big more, and hot burst size is low more, and fire resistance is good more.
Hinder the cigarette release performance of right medium density fibre board (MDF) from cotton stalk, the total smoke release of textile stalk medium density fibre board (MDF) and total cigarette productive rate all are far longer than the medium density fibre board (MDF) that has added the foaming vermiculite, illustrate after the foaming vermiculite layers is enclosed on the medium density fibre board (MDF) top layer, can reduce the smoke delivery of material in combustion process and the speed of flue gas generation effectively.
Claims (1)
1, cotton stalk burning-resistant medium density fibreboard is characterized in that between upper epidermis vermiculite fire proofing and following top layer vermiculite fire proofing be cotton stalk medium density fibre board (MDF), and its thickness is 8-15mm, density 0.70-0.80g/cm
3, the thickness of upper epidermis vermiculite fire proofing and following top layer vermiculite fire proofing respectively accounts for the 8-16% of cotton stalk burning-resistant medium density fibreboard thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200420499U CN201132353Y (en) | 2007-12-05 | 2007-12-05 | Fire retardant medium-density fiberboard from cotton stalks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200420499U CN201132353Y (en) | 2007-12-05 | 2007-12-05 | Fire retardant medium-density fiberboard from cotton stalks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201132353Y true CN201132353Y (en) | 2008-10-15 |
Family
ID=40060628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200420499U Expired - Fee Related CN201132353Y (en) | 2007-12-05 | 2007-12-05 | Fire retardant medium-density fiberboard from cotton stalks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201132353Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259369A (en) * | 2011-07-04 | 2011-11-30 | 南京林业大学 | Method for producing MDF (medium density fiberboard) with vermiculite flame retardancy |
| CN104441101A (en) * | 2014-12-31 | 2015-03-25 | 桂林科技企业发展中心 | Composite shaving board |
-
2007
- 2007-12-05 CN CNU2007200420499U patent/CN201132353Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259369A (en) * | 2011-07-04 | 2011-11-30 | 南京林业大学 | Method for producing MDF (medium density fiberboard) with vermiculite flame retardancy |
| CN104441101A (en) * | 2014-12-31 | 2015-03-25 | 桂林科技企业发展中心 | Composite shaving board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei weilibang Wood Co., Ltd. Assignor: GUANGZHOU WEIHUA CO., LTD. Contract fulfillment period: 2009.10.10 to 2014.10.10 Contract record no.: 2009130000246 Denomination of utility model: Fire retardant medium-density fiberboard from cotton stalks Granted publication date: 20081015 License type: Exclusive license Record date: 20091109 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.10.10 TO 2014.10.10; CHANGE OF CONTRACT Name of requester: HEBEI WEILIBANG WOOD INDUSTRIAL CO.,LTD Effective date: 20091109 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20101205 |