CN1915617A - Method for preparing fibers from waste and timber - Google Patents
Method for preparing fibers from waste and timber Download PDFInfo
- Publication number
- CN1915617A CN1915617A CN 200610086188 CN200610086188A CN1915617A CN 1915617 A CN1915617 A CN 1915617A CN 200610086188 CN200610086188 CN 200610086188 CN 200610086188 A CN200610086188 A CN 200610086188A CN 1915617 A CN1915617 A CN 1915617A
- Authority
- CN
- China
- Prior art keywords
- wood
- waste
- timber
- old
- old wood
- 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.)
- Pending
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
A process for preparing fibers from used and rejected wood includes such steps as transverse cutting to become strip units, collecting impurities, longitudinal cutting to become wood sheets, removing impurities, mixing with the wood sheets made of fresh wood and hot grinding to obtain fibers.
Description
Technical field
The invention belongs to wood processing field, relate to a kind of method of utilizing waste and old wood to prepare fiber.
Background technology
The globalization day by day of forest reserves atrophy, wood supply anxiety is just causing serial environment and resource contradiction.The Chinese forest resource is especially in short supply, the wood raw material scarcity, and serious threat is to the sustainable development of timber industry.The fiberboard manufacturing industry is the lumber consumption rich and influential family in the timber industry.At present, the major measure of solution fiberboard wood raw material disparities between supply and demand has: (1) seeks kind of an artificial forest energetically: Chinese artificial forest area ranks first in the world, but with respect to huge timber demand breach, still is apparent not enough, moreover can open up forest land and develop totally; (2) imported timber: China extensively from Southeast Asia, South Africa, Europe and North America imported log, but mainly be confined to saw lumber industry and glued board manufacturing industry, and present control trend year by year; (3) adopt the agricultural fibre alternative materials: adopt raw materials such as wheat straw, straw, substitute timber and make wood-based plate,, in the long duration, be difficult to realize large-scale industrial production at present based on reasons such as cost and technology.
For these reasons, utilize the renewable and capable of circulation characteristic of timber resources, the waste and old wood resource is reclaimed usefulness again, will have good development potentiality.Herein " waste and old wood " comprises discarded timber and goods thereof, for example disposable solid wood packing case, superseded solid wood or plate fitment, wood floors, multi-plywood building template etc.In the past, above-mentioned waste and old wood resource part is used as domestic fuel and burns, most air storages, form " municipal refuse " waste resource, contaminated environment, and increased the environmental sanitation cost, cause " while cry out wood raw material in short supply, make waste and old wood cause disaster " the contradiction situation.
Waste and old wood contains more iron nail, metal fastenings, cement and other impurity; cause that waste and old wood cut into wood chip and when being separated into fiber; damage cutter and defibrator mill easily; therefore, cleaning of the impurity of waste and old wood and fiber separation are to be related to waste and old wood scale key in application in wood-based panel industry.Up to now, waste and old wood is used as fuel substantially to be burnt, and does not obtain rational resource and uses.Leaf crins etc. adopt producing wood shavings from waste timber, acquire knowledge property right (" method of producing wood shavings from waste timber ", the patent No.: ZL96102864.5), this patent adopts the equipment of rotation at a high speed to drive waste and old wood is ground into the wood shavings shape by the method for bump chips.This mode only is fit to make the particle unit, and fibre morphology is destroyed serious, is not suitable for preparing medium and high density fibre panel.
Summary of the invention
The objective of the invention is at above-mentioned technical problem, a kind of method of utilizing waste and old wood preparation to can be used for producing the fiber of medium and high density fibre panel is provided.
The objective of the invention is to realize by following technical measures:
A kind of method that adopts waste and old wood to prepare fiber, this method may further comprise the steps:
1) waste and old wood is sent into primary breaker, adopts the metal coupling that distributes twist on the primary breaker rotating spindle, cooperates bed plate, and the lateral shear waste and old wood forms bar element;
When 2) waste and old wood was processed to bar element, the impurity that adheres to came off, and reclaimed impurity;
3) bar element that is processed into of waste and old wood is transported to wood chipping equipment, cuts into wood chip;
4) wood chip that is processed into of waste and old wood is further removed impurity;
5) wood chip that is processed into by waste and old wood after the removal of impurities is sent into chip bin, and sends into defibrator system again after the wood chip of fresh timber processing mixes and is separated into fiber.
Described method, wherein waste and old wood is meant goods and the industrial wood waste that is processed and broken away from the use field by timber, comprises various discarded timber and goods thereof.
Described method, wherein fresh timber are meant that direct felling obtains, do not carry out the log of any machining.
Described method, the method for wherein removing impurity are that metal impurities adopt the magnetic separation mode, and other impurity adopt screening and/or water-washing method.
Described method, wherein the mass ratio of the alternative fresh timber of waste and old wood is 25～50% in the step 5).
Described method, wherein the primary breaker spindle power is 100～150KW, rotating speed is 30～100r/min; The metal coupling that is distributed with adjustable number in the rotating shaft twist is as the hogging cutter, and primary breaker is provided with bed plate in addition, the adjustable gaps between metal coupling and the bed plate.
Described in the present invention laterally be meant with wood cell (or: fiber) major axis is arranged perpendicular direction, vertically be meant with wood cell (or: the direction that parallels of major axis arrangement fiber).
Beneficial effect of the present invention:
Conventional art is intended to waste and old wood is ground into particle, heavy damage fibre morphology.The present invention utilize wood cell (or: fiber) be the structural feature of vertical arrangement substantially; the metal coupling that adopts spirality to distribute cooperates bed plate lateral shear waste and old wood; metal coupling contacts with timber different parts interruption; avoided shock loading; reduce cutting power, effectively protected the lumber fibre form.Can guarantee that fibre morphology is not subjected under the prerequisite of significantly damage; waste and old wood is resolved into bar element; and then finish and chip (that is: batten being cut into wood chip) and defibrator process (that is: wood chip being worn into fiber) process; effectively remove the entrained impurity of waste and old wood simultaneously (because metal coupling adopts spirality to distribute; can be by being interrupted the different parts that impacts waste and old wood; thereby separate the impurity that is attached on the timber effectively; in addition; control the thickness of batten by the interval of regulating metal coupling and bed plate; also removing impurities effectively), wood chipping equipment blade and defibrator mill have been protected.The metal coupling that adopts spirality to distribute can also reduce the cutting noise.Below experiment has contrasted the fibre morphology of new, old timber separation and the fibreboard performance of manufacturing, and the result shows that the fibre property of the inventive method preparation is good, can be used for the medium density fibre board (MDF) manufacturing.Adopt method provided by the invention, the raw material of waste and old wood as fibre board industry production can be alleviated wood-based panel industry wood raw material problem in short supply.
Experiment 1: fibre morphology contrast
The fibre morphology measurement index is fibre fractionation value (that is: adopting series to have the quality of fiber ratio of the standard screen test different size scope in different apertures), and fibreboard performance is estimated according to " medium density fibre board (MDF) national standard " GB/T11718-1999.
The fiber that the fresh timber of describing in the table separates adopts common process to process, and three kinds of fibers by the waste and old wood preparation of reclaiming adopt the inventive method processing.
Table 1 the present invention adopts the fiber of waste and old wood preparation and common process to adopt the fibre morphology of fresh timber preparation to distribute relatively
| Fibre length (unit: order) | The fiber (%) that fresh timber separates | The fiber (%) that the recycled fiber plate separates | Reclaim the fiber (%) that cement formwork separates | Reclaim the fiber (%) that solid wood separates |
| ＞40 | 40 | 39 | 38 | 41 |
| 40～60 | 27 | 29 | 28 | 26 |
| 60～80 | 10 | 10 | 11 | 10 |
| 80～100 | 7 | 8 | 7 | 7 |
| 100～120 | 4 | 3 | 4 | 5 |
| 120～140 | 6 | 4 | 7 | 5 |
| ＜140 | 6 | 7 | 5 | 6 |
In the table: the fiber that reclaims the solid wood separation is pressed embodiment 1 preparation; The fiber that the recycled fiber plate separates is pressed embodiment 2 preparations; Reclaim the fiber of cement formwork separation and press embodiment 3 preparations.
Contrast shows that there is not obvious difference in the fiber that the fiber form of three kinds of waste and old wood separation is separated with fresh timber, shows the feasibility that adopts the waste and old wood defibre and make fiberboard.
Experiment 2: reclaim the solid wood building element and make fiberboard
Adopt the solid wood building element that reclaims, comprise various door and windows etc., manufacture fiberboard.The mass ratio that waste and old wood substitutes fresh timber was 50% (preparing fiber by embodiment 1 method), applied 11% urea-formaldehyde resin adhesive, and the plate nominal density is 0.80g/cm
3, hot pressing condition is: 160 ℃ of hot pressing temperatures, hot pressing pressure 2.5MPa, hot pressing time 6min, the fiberboard thickness of making are 11mm.After tested, properties of product are as follows: thickness swelling rate: 9.6%, and bending strength: 54MPa; Elastic modelling quantity: 3378MPa; Internal bond strength: 0.74MPa, requirement all is up to state standards.
Experiment 3: reclaim plate fitment (medium density fibre board (MDF))
Adopt the medium density fibre board (MDF) plate fitment that reclaims, remove metal coupling unit, the paint on retention plate surface and veneer melamine impregnated paper, manufacture fiberboard, the mass ratio that waste and old wood substitutes fresh timber was 40% (preparing fiber by embodiment 2 methods), apply 10% urea-formaldehyde resin adhesive, the plate nominal density is 0.85g/cm
3, hot pressing condition is: 160 ℃ of hot pressing temperatures, hot pressing pressure 2.5MPa, hot pressing time 6min, the fiberboard thickness of making are 9mm.After tested, properties of product are as follows: thickness swelling rate: 9.8%, and bending strength: 39MPa; Elastic modelling quantity: 3083MPa; Internal bond strength: 0.77MPa, requirement all is up to state standards.
Experiment 4: reclaim cement formwork
Adopt the poplar multi-plywood cement formwork of the 12～18mm thickness that reclaims, remove the cement and the peg of surface adhesion, be processed into fiberboard, the mass ratio that waste and old wood substitutes fresh timber was 30% (preparing fiber by embodiment 3 methods), apply 12% urea-formaldehyde resin adhesive, the plate nominal density is 0.90g/cm
3, hot pressing condition is: 160 ℃ of hot pressing temperatures, hot pressing pressure 2.5MPa, hot pressing time 6min, the fiberboard thickness of making are 11mm.After tested, properties of product are as follows: thickness swelling rate: 8%, and bending strength: 52MPa; Elastic modelling quantity: 2972MPa; Internal bond strength: 0.56MPa, requirement all is up to state standards.
Description of drawings
Fig. 1 is a broken worn-out timber schematic diagram of the present invention.Wherein A is the waste and old wood transporter, and B is a waste and old wood to be processed, and C is the primary breaker bed plate, D is the metal coupling that distributes twist on the primary breaker main shaft, and E is the primary breaker main shaft, and F is the bar element that is processed into, G is the bar element transporter, and H is a primary breaker bed plate support.
The specific embodiment
The invention will be further elaborated by the following examples, but do not limit the present invention.
Embodiment 1: utilize recovery solid wood building element to prepare fiber
The solid wood building element B that reclaims is sent into primary breaker by waste and old wood transporter A, by the metal coupling D that distributes twist on the primary breaker rotating spindle E, cooperate the bed plate C on the primary breaker bed plate support H, the solid wood building element B that lateral shear reclaims forms bar element F; When the solid wood building element that reclaims is processed to bar element, metalwork that adheres to and cement impurity come off substantially (kish spare manually picks in batten is transported to the process of wood chipping equipment); The metalwork that comes off is collected by magnetic separation, and reclaims, and other impurity are collected separately; The bar element that the solid wood building element that reclaims is processed into further is transported to wood chipping equipment by bar element transporter G, is become wood chip by the straight-cut of high speed rotation of blade; Wood chip is further removed powdery particle, cement bits and metal remained fragment through screening, magnetic separation and washing; Wood chip is sent into chip bin, sends into defibrator system again after the wood chip that the mass ratio that substitutes fresh timber in the solid wood building element that reclaims is 50% ratio with fresh timber is processed mixes and is separated into fiber.Wherein the primary breaker spindle power is 150KW, and rotating speed is 60r/min; The metal coupling that is distributed with adjustable number in the rotating shaft twist is as the hogging cutter, and primary breaker is provided with bed plate in addition, and by regulating the gap between metal coupling and the bed plate, the thickness of control batten is 1cm.
Embodiment 2: utilize plate fitment (medium density fibre board (MDF)) the preparation fiber that reclaims
The plate fitment B that reclaims is sent into primary breaker by waste and old wood transporter A, by the metal coupling D that distributes twist on the primary breaker rotating spindle E, cooperate the bed plate C on the primary breaker bed plate support H, the plate fitment B that lateral shear reclaims forms bar element F; When the plate fitment that reclaims is processed to bar element, metalwork that adheres to and cement impurity come off substantially (kish spare manually picks in batten is transported to the process of wood chipping equipment); The metalwork that comes off is collected by magnetic separation, and reclaims, and other impurity are collected separately; The bar element that the solid wood building element that reclaims is processed into further is transported to wood chipping equipment by bar element transporter G, is become wood chip by the straight-cut of high speed rotation of blade; Wood chip is further removed powdery particle, cement bits and metal remained fragment through screening, magnetic separation and washing; Wood chip is sent into chip bin, sends into defibrator system again after the wood chip that the mass ratio that substitutes fresh timber in the plate fitment that reclaims is 40% ratio with fresh timber is processed mixes and is separated into fiber.Wherein the primary breaker spindle power is 150KW, and rotating speed is 60r/min; The metal coupling that is distributed with adjustable number in the rotating shaft twist is as the hogging cutter, and primary breaker is provided with bed plate in addition, and by regulating the gap between metal coupling and the bed plate, the thickness of control batten is 0.5cm.
Embodiment 3: utilize the recovery cement formwork to prepare fiber
The poplar multi-plywood cement formwork B of 12～18mm thickness of reclaiming is sent into primary breaker by waste and old wood transporter A, by the metal coupling D that distributes twist on the primary breaker rotating spindle E, cooperate the bed plate C on the primary breaker bed plate support H, the cement formwork B that lateral shear reclaims forms bar element F; When the cement formwork that reclaims is processed to bar element, metalwork that adheres to and cement impurity come off substantially (kish spare manually picks in batten is transported to the process of wood chipping equipment); The metalwork that comes off is collected by magnetic separation, and reclaims, and other impurity are collected separately; The bar element that the cement formwork that reclaims is processed into further is transported to wood chipping equipment by bar element transporter G, is become wood chip by the straight-cut of high speed rotation of blade; Wood chip is further removed powdery particle, cement bits and metal remained fragment through screening, magnetic separation and washing; Wood chip is sent into chip bin, sends into defibrator system again after the wood chip that the mass ratio that substitutes fresh timber in the cement formwork that reclaims is 30% ratio with fresh timber is processed mixes and is separated into fiber.Wherein the primary breaker spindle power is 150KW, and rotating speed is 60r/min; The metal coupling that is distributed with adjustable number in the rotating shaft twist is as the hogging cutter, and primary breaker is provided with bed plate in addition, and by regulating the gap between metal coupling and the bed plate, the thickness of control batten is 3cm.
Claims (6)
1, a kind of method that adopts waste and old wood to prepare fiber is characterized in that this method may further comprise the steps:
1) waste and old wood is sent into primary breaker, adopts the metal coupling that distributes twist on the primary breaker rotating spindle, cooperates bed plate, and the lateral shear waste and old wood forms bar element;
When 2) waste and old wood was processed to bar element, the impurity that adheres to came off, and reclaimed impurity;
3) bar element that is processed into of waste and old wood is transported to wood chipping equipment, and straight-cut becomes wood chip;
4) wood chip that is processed into of waste and old wood is further removed impurity;
5) wood chip that is processed into by waste and old wood after the removal of impurities is sent into chip bin, and sends into defibrator system again after the wood chip of fresh timber processing mixes and is separated into fiber.
2, method according to claim 1 is characterized in that described waste and old wood is meant goods and the industrial wood waste that is processed and broken away from the use field by timber, comprises various discarded timber and goods thereof.
3, method according to claim 1 is characterized in that described fresh timber is meant that direct felling obtains, do not carry out the log of any machining.
4, method according to claim 1, the method that it is characterized in that removing impurity are that metal impurities adopt the magnetic separation mode, and other impurity adopt screening and/or water-washing method.
5, method according to claim 1 is characterized in that the mass ratio of the alternative fresh timber of waste and old wood in the step 5) is 25～50%.
6, according to the described method of claim 1, it is characterized in that the primary breaker spindle power is 100～150KW, rotating speed is 30～100r/min; The metal coupling that is distributed with adjustable number in the rotating shaft twist is as the hogging cutter, and primary breaker is provided with bed plate in addition, the adjustable gaps between metal coupling and the bed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086188 CN1915617A (en) | 2006-09-08 | 2006-09-08 | Method for preparing fibers from waste and timber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086188 CN1915617A (en) | 2006-09-08 | 2006-09-08 | Method for preparing fibers from waste and timber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1915617A true CN1915617A (en) | 2007-02-21 |
Family
ID=37736756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610086188 Pending CN1915617A (en) | 2006-09-08 | 2006-09-08 | Method for preparing fibers from waste and timber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1915617A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139504A (en) * | 2011-01-05 | 2011-08-03 | 杨新芳 | Method of producing medium density fiberboard by the use of waste material |
| CN103419262A (en) * | 2013-08-20 | 2013-12-04 | 三门恒泰工艺品有限公司 | Waste timber regeneration method |
| CN106079002A (en) * | 2016-08-18 | 2016-11-09 | 安徽省双龙木质纤维素有限公司 | A kind of Cotton Gossypii cane breaking means making wood fibre |
| CN106192503A (en) * | 2016-08-18 | 2016-12-07 | 安徽省双龙木质纤维素有限公司 | A kind of books breaking means making wood fibre |
| CN107671968A (en) * | 2017-11-14 | 2018-02-09 | 章丘市宇龙机械有限公司 | A kind of dental rolls wood chipper |
| CN109354895A (en) * | 2018-11-15 | 2019-02-19 | 遵义市播州区彤辰废木回收有限公司 | A kind of reclaiming method of waste and old cabinet-wood |
| CN109351448A (en) * | 2018-10-11 | 2019-02-19 | 德清誉丰装饰材料有限公司 | A kind of decorative timber waste material recovery device |
-
2006
- 2006-09-08 CN CN 200610086188 patent/CN1915617A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139504A (en) * | 2011-01-05 | 2011-08-03 | 杨新芳 | Method of producing medium density fiberboard by the use of waste material |
| CN102139504B (en) * | 2011-01-05 | 2014-06-18 | 杨新芳 | Method of producing medium density fiberboard by the use of waste material |
| CN103419262A (en) * | 2013-08-20 | 2013-12-04 | 三门恒泰工艺品有限公司 | Waste timber regeneration method |
| CN103419262B (en) * | 2013-08-20 | 2016-08-10 | 三门恒泰工艺品有限公司 | A kind of Waste timber regeneration method |
| CN106079002A (en) * | 2016-08-18 | 2016-11-09 | 安徽省双龙木质纤维素有限公司 | A kind of Cotton Gossypii cane breaking means making wood fibre |
| CN106192503A (en) * | 2016-08-18 | 2016-12-07 | 安徽省双龙木质纤维素有限公司 | A kind of books breaking means making wood fibre |
| CN106079002B (en) * | 2016-08-18 | 2018-05-15 | 安徽省双龙木质纤维素有限公司 | A kind of cotton cane breaking means for making wood fibre |
| CN107671968A (en) * | 2017-11-14 | 2018-02-09 | 章丘市宇龙机械有限公司 | A kind of dental rolls wood chipper |
| CN109351448A (en) * | 2018-10-11 | 2019-02-19 | 德清誉丰装饰材料有限公司 | A kind of decorative timber waste material recovery device |
| CN109354895A (en) * | 2018-11-15 | 2019-02-19 | 遵义市播州区彤辰废木回收有限公司 | A kind of reclaiming method of waste and old cabinet-wood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1915617A (en) | Method for preparing fibers from waste and timber | |
| Maloney | The family of wood composite materials | |
| CN104626292B (en) | One can facing oriented wood chipboard and preparation technology thereof | |
| CN102310453A (en) | Method for manufacturing regenerated composite boards by using waste wood | |
| EP3296073B1 (en) | Process for the manufacture of a pallet block | |
| CN115351867A (en) | Oriented strand board, method for manufacturing oriented strand board and equipment for manufacturing oriented strand board | |
| CN112020412B (en) | Fiberboard and method of forming fiberboard | |
| CN101722552B (en) | Regenerated particles, particle board and preparation method thereof | |
| CN1219633C (en) | Bamboo particle board for building wall material and manufacturing process thereof | |
| CN101607408A (en) | Utilize urban waste wood materials to make the production method of particieboard | |
| CN108724419A (en) | Waste wooden formwork composite fiber plate and preparation method thereof | |
| CN105799033A (en) | Reed composite fiber board and manufacture method thereof | |
| CN1136084C (en) | Moulded element consisting of compressed mixture, method and apparatus for manufacture thereof | |
| CN1114927A (en) | Compound flax leftover-shaving board and its manufacture method | |
| Koynov et al. | Utilization of Scots Pine (Pinus sylvestris L.) Timber with Defects in Production of Engineered Wood Products | |
| CN114290472B (en) | Method for recovering urea resin and raw materials from wood-based panel and application | |
| CN106393386B (en) | Bamboo, paper-making solid waste artificial board containing fiber and plastic and manufacturing process thereof | |
| CN1062801C (en) | Process for preparing reinforced article for loading use made of compound material and the use thereof | |
| CN1105626C (en) | High density homogeneous chipwood and its producing method | |
| CN211074008U (en) | Continuous flat-pressing shaving board production system | |
| CN110712264A (en) | Production process of artificial board | |
| CN1683129A (en) | Artificial board and its producing method | |
| US20120091619A1 (en) | Method for Producing Components, Especially Structural Panels, from Solid Waste | |
| CA2537444A1 (en) | Filler and adhesive mixture comprising wood fly ash and a method for manufacturing an engineered wood product using the same | |
| Biblis | Composite plywood with southern pine veneer faces and oriented strand core from sweetgum and southern pine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |