CN1644335A - Wooden modifying apparatuses - Google Patents
Wooden modifying apparatuses Download PDFInfo
- Publication number
- CN1644335A CN1644335A CN 200510007659 CN200510007659A CN1644335A CN 1644335 A CN1644335 A CN 1644335A CN 200510007659 CN200510007659 CN 200510007659 CN 200510007659 A CN200510007659 A CN 200510007659A CN 1644335 A CN1644335 A CN 1644335A
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- China
- Prior art keywords
- sealing load
- jar
- timber
- load jar
- pump
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- 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.)
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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
- B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
- B27K5/0075—Vacuum
-
- 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
- B27K1/00—Damping wood
- B27K1/02—Apparatus
-
- 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
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
Abstract
A wood modifying apparatus is composed of a sealed pressure tank, vacuumizing system, pressurizing system, wood carriage able to come in or go out said sealed pressure tank, and steaming/hot wind system for filling steam or hot wind in said sealed pressure tank, controlling its pressure and treating the exhausted hot air or steam.
Description
Technical field
The present invention relates to a kind of artificial forest, fast-growing, high-yield woods timber and other timber be carried out the equipment that modification is handled, be intended to make the physical and mechanical properties such as density, hardness, intensity of timber to be improved, or obtain specific functions such as fire-retardant, anticorrosion, insulation, conduction.
Background technology
Timber carries out the equipment that the modification processing is adopted at present; mostly possess the timber full-cell process and impregnate the treatment fluid function; as the patent No. is that 95215722.5 " wood protection pressure treater ", application number are that 85101957 " wood impregnation method and implement the device of this method " and the patent No. are 02253717.1 " a kind of cotton wood and treatment facility of handling with secondary vacuum thereof " etc., all can carry out vacuum-pressurized treatments to timber.What have can also carry out vacuum drying to timber, as above-mentioned 02253717.1 patent.Also having and can carry out that boiling handles to timber, is 98107213.5 " pinewood degreasing modification method and apparatus " as the patent No..Above-mentioned and equipment that other is common carries out full-cell process when impregnating treatment fluid to timber, requires moisture content lower, is generally about 10%; Timber, the particularly greenwood high to moisture content can't impregnate, and the drying of wood must be reprocessed technology trouble, low, the cost increase of production efficiency behind lower moisture content; If adopt the method for 98107213.5 patents directly to carry out vacuum drying in immersion can, though technology is connected comparatively compactness, drying time is still longer relatively, as if from the cost of equipment and the angle of production efficiency thereof, its feasibility is little.The equipment as 98107213.5 patents with decatize system does not then generally all have steam pressure limiting valve, silencing apparatus, the non-constant direct timber decatize effect that influences of steam pressure, and the noise that steam produces then is unfavorable for production environment.
Summary of the invention
Based on this, we propose a kind of vacuum pressed, vacuum drying of collecting is one, the high wet or green wood of the low seasoned wood of moisture content, moisture content is directly carried out modification to be handled, and the physical and mechanical property such as density, hardness, intensity of timber is improved, and/or obtain specific functions such as fire-retardant, anticorrosion, insulation, conduction, and/or remove oily matter with the morphotropism of subduing timber, the equipment of cracking.
The present invention is realized by following technical scheme:
Comprise sealing load jar, vacuum system, compression system and timber charging car, vacuum system is connected with the sealing load jar by pipeline with compression system, the timber charging car can push or pull out the sealing load jar, it is characterized in that: on described sealing load jar, also be connected with decatize/hot-air system, its function is to inject hot blast or steam to described sealing load jar, and carries out pressure and control, the hot blast or the steam of discharging are handled.
Described decatize/hot-air system comprises that vapour wind refutes inlet, vapour wind distributing pipe, vapour wind pressure limiting valve, drain valve and hot air circulation blower, vapour wind distributing pipe be located in the described sealing load jar and be connected jar outer vapour wind and refute inlet and be connected; Vapour wind pressure limiting valve and drain valve are connected to the top and the bottom of sealing load jar; Hot air circulation blower is connected with the top of sealing load jar and the outlet of vapour wind pressure limiting valve.
Described vacuum system comprises vavuum pump and heat-exchange device (6), and vavuum pump (7) is connected with the sealing load jar by heat-exchange device (6); Described vavuum pump (7) is selected hydrolock, and is contaminated or complicated vapor-liquid separating device is set to avoid confining liquid.
Also comprise environment friendly system, this environment friendly system comprises the silencing apparatus (13) and the condensate separation retracting device (14) of the entrance and exit that is connected on described heat-exchange device (6) respectively.
Described compression system includes and is connected on filter (11), liquid force (forcing) pump (8) and the check-valves of handling between liquid bath and the sealing load jar (9) successively, and being connected pressure control device (10) on the sealing load jar, the latter controls the work of force (forcing) pump (8).
Between described liquid force (forcing) pump (8) and filter (11), be connected with pressure holding pump (22).
Be fixed with the inverted T shape groove (17) parallel with the horizontal diameter direction of sealing load jar (1) on the car body of described timber charging car, inverted T shape groove (17) opening upwards.
When timber is stacked in the timber charging car, adopt T prefix iron chains (18) described as timber vertical direction spacer bar, with the spacer bar of common iron chains as the timber horizontal direction.
Be wrapped with insulation material at described sealing load jar, so that keep certain temperature, energy savings, in order to be effective and quality when decatize, vacuum.
The present invention is good with timber closed assembly on charging car when work, and in the sealing load jar of packing into, timber is finished whole modification processing procedure by decatize system, vacuum system, compression system, hot-air system, environment friendly system.A whole set of modification treatment facility is reasonable in design, simple in structure, and PROCESS FOR TREATMENT is fast, can form an automatic production line, and whole modification processing procedure does not have any pollution.By it both can be to the low seasoned wood of moisture content, also can directly carry out modification and handle the high wet or green wood of moisture content, the physical and mechanical property such as density, hardness, intensity of timber is improved, and/or obtain specific functions such as fire-retardant, anticorrosion, insulation, conduction, and/or remove oily matter with defectives such as the morphotropism of subduing timber, crackings.Whole processing procedure can not produce any pollution to environment.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention;
Fig. 2 is the structural representation of charging car of the present invention;
Fig. 3 is the structural representation of the inverted T shape groove on the charging car of the present invention, and wherein b figure is the vertical view of a figure;
Fig. 4 is the structural representation of T prefix iron chains of the present invention.
The specific embodiment
Below in conjunction with Figure of description the present invention is further described:
Referring to Fig. 1～Fig. 4, sealing load jar 1 of the present invention is made by relevant high-pressure trough standard.Jar outer is enclosed with insulation material entirely, so that keep certain temperature, energy savings, in order to be effective and quality when decatize, vacuum.Sealing load jar 1 outer liquid safe valve 15 and the liquid level gauge 16 of being equipped with.Just in case liquid safe valve 15 is opened release automatically during the pot liquid superpressure; Can be observed liquid level in the sealing load jar by liquid level gauge 16.
Described decatize/hot-air system comprises that vapour wind refutes inlet 2, vapour wind distributing pipe 3, vapour wind pressure limiting valve 4, drain valve 5 and hot air circulation blower 12, vapour wind distributing pipe 3 be located in the described sealing load jar 1 and be connected jar outer vapour wind and refute inlet 2 and be connected; Vapour wind pressure limiting valve 4 and drain valve 5 are connected to the top and the bottom of sealing load jar 1.Hot air circulation blower 12 is connected with the top of sealing load jar and the outlet of vapour wind pressure limiting valve, play inhale fresh air, the effect of hot and humid gas in the drain tank.The effect of steam pressure limiting valve 4 is steam pressure and released vapours when limiting decatize; The effect of drain valve 5 is during with decatize outside the condensed water drain tank in the jar; Steam pressure limiting valve 4 is contained in sealing load jar 1 top.
Vacuum system includes vavuum pump 7 and heat-exchange device 6, and vacuum meter is housed.Vavuum pump 7 is selected hydrolocks, avoiding the vavuum pump confining liquid contaminated, or adopts complicated vapor-liquid separating device.Heat-exchange device 6 top pipelines are coolant outlet, and the below pipeline is a cooling water inlet.Vacuum meter is contained on the silencing apparatus 13.The effect of heat-exchange device 6 is that the steam condensation of will discharge through pressure limiting valve becomes aqueous water.Heat-exchange device 6 is connected after the silencing apparatus 13.
Compression system includes liquid force (forcing) pump 8, check-valves 9, pressure control device 10 and filter 11 etc.Liquid force (forcing) pump 8 provides pressure for pot liquid; When pot liquid met the requirements of pressure, force (forcing) pump 8 quit work, and this moment, check-valves 9 can stop liquid to backflow, and keep-uped pressure; Whether the machine operation of pressure control device 10 control force (forcing) pumps 8, and jar internal pressure is changed in that require, less pressure limit; Filter 11 is connected to be handled between liquid bath 21 and the liquid force (forcing) pump 8, and effect is that the solid impurities such as wood chip that treatment fluid is brought into during with processing timber are crossed elimination.
Also can be connected with pressure holding pump 22 between described liquid force (forcing) pump 8 and filter 11, the capacity of this hydraulic pump 22 is less, and its effect is when the pressure in the sealing load jar 1 reaches required value, can only keep the pressure of system with pressure holding pump 22.
Environment friendly system includes silencing apparatus 13, condensate separation retracting device 14.The effect of silencing apparatus 13 is noises that steam produces when eliminating decatize and carries out vapor-liquid separation.The effect of condensate separation retracting device 14 is that condensed liquid is carried out water-oil separating, and oil phase substance reclaims as byproduct, and water recycles for the deionized water boiler of feeding.
The bottom of timber charging car is fixed with the inverted T shape groove 17 parallel with the horizontal diameter direction of sealing load jar 1, and inverted T shape groove 17 openings upwards.During the timber closed assembly, " T " headgear of T prefix iron chains 18 is gone in the inverted T shape groove 17, the iron chains section is as timber vertical direction spacer bar; With the spacer bar of common iron chains 23 as the timber horizontal direction.During the timber closed assembly, such spacer bar has overcome the straight spacer bar of rigidity, is difficult for loading or unsettled too much defect because of timber and lumber standards is different, makes treating of wood even, quality assurance.Inverted T shape groove 17 can be unfixing with charging car 19 yet, but need be placed on charging car 19 according to the stacking of processed timber.Interval mode is the same.
Processing procedure with three kinds of timber is an example below, and using method of the present invention is described:
1, the low seasoned wood full-cell process of moisture content is impregnated the modification treatment fluid:
1.1 charging: timber uses T prefix iron chains 18 and common iron chains as spacer bar, on charging car 19 on timber 20 closed assemblies, advances in the sealing load jar 1, closes a jar door.
1.2 initial vacuum: will connect the valve open on the pipeline of vavuum pump 7, and close other valve, and open vavuum pump 7 and be evacuated to required pressure and time.
1.3 the inspiration treatment fluid: vavuum pump does not stop, to keep constant vacuum.Slowly open and connect the valve inspiration treatment fluid of handling on the liquid bath 21 suction liquid pipelines, the height of the treatment fluid in inspiration sealing load jar 1 is when canful also has 10～20cm, close the valve (closing down vavuum pump 7 simultaneously) on the pipeline that connects vavuum pump, allow vacuum automatically treatment fluid is filled jar.Close the valve on the suction liquid pipeline.
1.4 fluid infusion pressurization: set pressure control device 10 to the required pressure excursion, open the valve that connects on processing liquid bath 21 pressure pipelines, open liquid force (forcing) pump 8, in sealing load jar 1, add treatment fluid, make pressure rising and constant relatively.
1.5 discharge opeing: after the time that fluid infusion pressurization arrival requires, close down liquid force (forcing) pump 8, open the valve that connects on the processing liquid bath suction liquid pipeline, open the treatment fluid in the liquid-unloading pump extraction sealing load jar 1.If the entire process liquid bath is lower than pressurized tank, can also utilize liquid level difference to emit a jar interior treatment fluid automatically.
1.6-1 final vacuum: the valve open on the pipeline of connection vavuum pump, close other valve, open vavuum pump 7 and be evacuated to required pressure and time, extract a small amount of treatment fluid of wood surface out, to cut the waste.The treatment fluid of being extracted out is arranged in the processing liquid bath 21, carried out 1.7 technologies then.
1.6-2 secondary impregnates: carried out closing down vavuum pump 7 after the 1.6-1 operation, and closed valve on the pipeline that connects vavuum pump.With the valve open that connects on the pipeline of hot-air system, then open hot blast and refute valve on the pipeline of inlet 2, feed the circulating air regular hour.Close the valve on the pipeline that valve on the pipeline that connects hot-air system and hot blast refute inlet 2, carry out vacuum technology by 1.2 operation then.Hot blast-vacuum is carried out 2～3 times so repeatedly, and moisture content is reduced to lower (generally requiring below 40%) in jar, then carries out 1.3 → 1.4 → 1.5 → 1.6-1 technology in order.
1.7 discharging: close down vavuum pump 7, open the jar door of sealing load jar 1, charging car 19 is released jar, unload and impregnate good timber and carry out drying processing.
In most cases pressing 1.6-1 technology just can.The improved wood of some specific (special) requirements need impregnate that into the solid content of the treatment fluid of timber (nonvolatile component) content is higher, and the density of wood increase is bigger.At this moment, miss one's aim if once impregnate, the inconvenience concentration (solid content) of impregnating liquid by raising realizes again, can carry out the 1.6-2 secondary and impregnate.
2, the high wet or green wood of moisture content is impregnated the modification treatment fluid:
2.1 charging: with 1.1
2.2 decatize: the valve open on the pipeline of connection heat-exchange device 6, close other valve.Logical cooling water advances heat-exchange device 6, opens steam and refutes valve on inlet 2 the pipeline, feeds the steam of convenient pressure, and evenly spray is steamed timber to the time that requires.Steam off is refuted the valve on inlet 2 the pipeline.
2.3 vacuum: with 1.2
2.4 secondary decatize: with 2.2, but steaming time generally will be lacked than a decatize.
2.5 secondary vacuum: with 1.2, but vacuum time generally will be grown than a vacuum.
2.6 inspiration treatment fluid: with 1.3
2.7 fluid infusion pressurization: with 1.4
2.8 discharge opeing: with 1.5
2.9 final vacuum: same 1.6-1; Or secondary impregnates: same 1.6-2
2.10 discharging: with 1.7
The purpose of " decatize-vacuum " is to get through timber capilar bore passage, remove the timber most of moisture, and situations such as (big as lumber thickness) poor permeability can also carry out three times or more times decatize-application of vacuum in case of necessity.In addition, " decatize-vacuum " also has the effect of removing the oily matter in the timber, so this technology is equally applicable to oiliness timber.Before 2.6 inspiration treatment fluid steps, it is higher that the temperature requirement in the sealing load jar 1 keeps, so that the easier inspiration of wood utilization principle of expanding with heat and contracting with cold (cold) treatment fluid.Therefore, this technology is impregnated treatment fluid and was both belonged to " full-cell process is impregnated method ", possesses the feature that " cold-hot is impregnated method " arranged again, and the treatment fluid infiltration is even, length of penetration is big.This also is the basic place that this technology can be handled the high wet or green wood of moisture content.
3, the de-oiling of oiliness such as pine, Eucalyptus timber is handled:
3.1 charging: with 1.1
3.2 decatize: with 2.2
3.3 vacuum: with 1.2
3.4 secondary decatize: with 2.2, but steaming time generally will be lacked than a decatize.
3.5 secondary vacuum: with 1.2, but vacuum time generally will be grown than a vacuum.
3.6 discharging: with 1.7
Situations such as (big as lumber thickness) oil content are big can also carry out three times or more times decatize-application of vacuum in case of necessity.Not high by the moisture content after this technology de-oiling processing, generally about 30～40%.
Claims (10)
1, a kind of Wooden modifying apparatuses, comprise sealing load jar, vacuum system, compression system and timber charging car, vacuum system is connected with the sealing load jar by pipeline with compression system, the timber charging car can push or pull out the sealing load jar, it is characterized in that: also be connected with decatize/hot-air system on described sealing load jar.
2, Wooden modifying apparatuses according to claim 1, it is characterized in that: described decatize/hot-air system comprises that vapour wind refutes inlet (2), vapour wind distributing pipe (3), vapour wind pressure limiting valve (4), drain valve (5) and hot air circulation blower (12), vapour wind distributing pipe (3) be located in the described sealing load jar and be connected jar outer vapour wind and refute inlet (2) and be connected; Vapour wind pressure limiting valve (4) and drain valve (5) are connected to the top and the bottom of sealing load jar; Hot air circulation blower (12) is connected with the top of sealing load jar and the outlet of vapour wind pressure limiting valve (4).
3, Wooden modifying apparatuses according to claim 1 is characterized in that: described vacuum system comprises vavuum pump (7) and heat-exchange device (6), and vavuum pump (7) is connected with the sealing load jar by heat-exchange device (6).
4, Wooden modifying apparatuses according to claim 3 is characterized in that: described vavuum pump (7) is selected water seal type vacuum pump, and is contaminated or complicated vapor-liquid separating device is set to avoid confining liquid.
5, Wooden modifying apparatuses according to claim 3, it is characterized in that: also comprise environment friendly system, this environment friendly system comprises the silencing apparatus (13) and the condensate separation retracting device (14) of the entrance and exit that is connected in described heat-exchange device (6) respectively.
6, Wooden modifying apparatuses according to claim 1, it is characterized in that: described compression system includes and is connected on filter (11), liquid force (forcing) pump (8) and the check-valves of handling between liquid bath and the sealing load jar (9) successively, and being connected pressure control device (10) on the sealing load jar, the latter controls the work of force (forcing) pump (8).
7, Wooden modifying apparatuses according to claim 6 is characterized in that: be connected with pressure holding pump (22) between described liquid force (forcing) pump (8) and filter (11).
8, Wooden modifying apparatuses according to claim 1 is characterized in that: fix or be placed with the inverted T shape groove (17) parallel with the horizontal diameter direction of sealing load jar (1) on the car body of described timber charging car, inverted T shape groove (17) opening upwards.
9, Wooden modifying apparatuses according to claim 6 is characterized in that: also comprise be used for the timber vertical direction at interval T prefix iron chains (18) and as the chain of the interval usefulness of timber horizontal direction.
10, according to any one described Wooden modifying apparatuses of claim 1～7, it is characterized in that: be wrapped with insulation material at described sealing load jar, so that keep certain temperature, energy savings, in order to be effective and quality when decatize, vacuum.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100076590A CN100455418C (en) | 2005-02-07 | 2005-02-07 | Wooden modifying apparatuses |
| PCT/CN2006/000141 WO2006081756A1 (en) | 2005-02-07 | 2006-01-25 | A wood-modifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100076590A CN100455418C (en) | 2005-02-07 | 2005-02-07 | Wooden modifying apparatuses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1644335A true CN1644335A (en) | 2005-07-27 |
| CN100455418C CN100455418C (en) | 2009-01-28 |
Family
ID=34875304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100076590A Expired - Fee Related CN100455418C (en) | 2005-02-07 | 2005-02-07 | Wooden modifying apparatuses |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100455418C (en) |
| WO (1) | WO2006081756A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410036C (en) * | 2005-12-31 | 2008-08-13 | 吴夏平 | Timber treating liquid apparatus and method |
| CN102626938A (en) * | 2012-05-07 | 2012-08-08 | 东北林业大学 | Vacuum pressurizing and dipping equipment for producing wood plastic composite |
| CN103286834A (en) * | 2013-07-02 | 2013-09-11 | 陈军 | Integrated process for degreasing, deoiling and drying woods |
| CN106182257A (en) * | 2016-08-30 | 2016-12-07 | 开平市瑞兴木业制品有限公司 | A kind of fast growing wood closely knit and system of processing of conductive and heat-conductive in situ |
| CN108724362A (en) * | 2018-04-28 | 2018-11-02 | 烟台通天智木业有限公司 | Solid wood macromolecule plank and its processing technology |
| CN109352775A (en) * | 2018-09-30 | 2019-02-19 | 中南林业科技大学 | A kind of apparatus and method of guiding decompression-impregnating by pressure penetrated wood |
| CN114789485A (en) * | 2021-01-26 | 2022-07-26 | 江苏品鹤装饰材料有限公司 | Composite pine flame-retardant plate and processing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084953B (en) * | 2021-04-07 | 2022-10-25 | 南京横溪农业发展有限公司 | Pine deoiling and fat fixing equipment using full cell method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1181246A (en) * | 1967-04-28 | 1970-02-11 | Hager Ab | Improvements in or relating to Methods of Treating Wood |
| RU2037395C1 (en) * | 1992-08-03 | 1995-06-19 | Порошин Николай Федорович | Wood drying and impregnating apparatus |
| CN1089662C (en) * | 1998-04-10 | 2002-08-28 | 海口金丰木业设备公司 | Method and equipment for pinewood degreasing modification |
| CN2778516Y (en) * | 2005-02-07 | 2006-05-10 | 陈万利 | Wood modifying apparatus |
-
2005
- 2005-02-07 CN CNB2005100076590A patent/CN100455418C/en not_active Expired - Fee Related
-
2006
- 2006-01-25 WO PCT/CN2006/000141 patent/WO2006081756A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410036C (en) * | 2005-12-31 | 2008-08-13 | 吴夏平 | Timber treating liquid apparatus and method |
| CN102626938A (en) * | 2012-05-07 | 2012-08-08 | 东北林业大学 | Vacuum pressurizing and dipping equipment for producing wood plastic composite |
| CN103286834A (en) * | 2013-07-02 | 2013-09-11 | 陈军 | Integrated process for degreasing, deoiling and drying woods |
| CN106182257A (en) * | 2016-08-30 | 2016-12-07 | 开平市瑞兴木业制品有限公司 | A kind of fast growing wood closely knit and system of processing of conductive and heat-conductive in situ |
| CN108724362A (en) * | 2018-04-28 | 2018-11-02 | 烟台通天智木业有限公司 | Solid wood macromolecule plank and its processing technology |
| CN109352775A (en) * | 2018-09-30 | 2019-02-19 | 中南林业科技大学 | A kind of apparatus and method of guiding decompression-impregnating by pressure penetrated wood |
| CN114789485A (en) * | 2021-01-26 | 2022-07-26 | 江苏品鹤装饰材料有限公司 | Composite pine flame-retardant plate and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006081756A1 (en) | 2006-08-10 |
| CN100455418C (en) | 2009-01-28 |
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Granted publication date: 20090128 Termination date: 20100207 |