CN101342716B - Wood staining method and equipment - Google Patents
Wood staining method and equipment Download PDFInfo
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- CN101342716B CN101342716B CN2008101420461A CN200810142046A CN101342716B CN 101342716 B CN101342716 B CN 101342716B CN 2008101420461 A CN2008101420461 A CN 2008101420461A CN 200810142046 A CN200810142046 A CN 200810142046A CN 101342716 B CN101342716 B CN 101342716B
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Abstract
The invention discloses a method and an equipment for dyeing wood, which solves the technical problem of shortening dying time and increasing productivity. The method of the invention includes the following steps that put wood in a container and vacuumize the container; add dyeing fluid into the container and pressurize and heat up in the container to circulate the dyeing fluid. The equipment for dyeing wood comprises a sealed container which could be opened; the sealed container is separately connected with a vacuum system, a dyeing fluid feed and circulation system, a pressurization and heating system, a cooling system, an exhaust system, a measurement and control system and an operating system. Compared with the prior art, the invention adopts a hydraulic circulation system to circulate the wood dyeing fluid in the sealed container to facilitate the fluid homogeneous and then the wood dyeing would be more homogeneous and color would be more vivid with high temperature and high pressure; in this way, the dyeing time is shortened and the needed dye is greatly deduced; the productivity is increased and the production cost is reduced; therefore, the invention is suitable for industrial mass production.
Description
Technical field
The present invention relates to a kind of method and apparatus of wood staining, particularly a kind of method and apparatus of timber rapid dyeing.
Background technology
The wood staining modification begins the research work of this respect at home and abroad very early, also obtained very big progress in a lot of universities of China, research institution, the enterprises and individuals's research work in this respect, for wood processing enterprise, use the modification of and coloration treatment technology to handle timber, can be low price wood raw material such as artificial forest fast growing wood, processing reaches the texture of high-grade timber, no matter be from improving the angle of business economic benefit, still from the angle of sustainable development, all has crucial meaning.At present wood staining modification technology means have four kinds substantially: first kind is that drape process, second kind are cooking process, the third is that infusion method, the 4th kind are rubbing method.Commercial Application is used cooking process, infusion method mostly at present, because these two technology comparative maturities, the equipment input is very low, the threshold of enterprise implement is lower, but the deficiency of cooking process and infusion method is: the processing time is relative longer, the effect instability, should not adopt full-bodied treatment fluid, to handle the degree of depth limited, and these deficiencies are subjected to the restriction of its technology, and it is bigger to solve difficulty, and rubbing method is by machine or manual wood surface is carried out painted processing.
The wood staining aspect is from the information of present grasp, it is more satisfactory adopting the pressure injection method in theory, be used for dyeing, fire-retardant, the encryption aspect, its advantage is that alternate manner is not readily accessible, but drape process is not simply to pressurize or heat to get final product, a lot of new problems are also arranged, preliminary treatment such as material, dye liquor heats up and cooling, the balance of each position temperature difference of dye liquor and concentration, safety pressurization and release, press the reasonable safety of jar each one of pipe valve to open and close, the accurate proportioning of dyestuff etc., so prior art is to the dyeing of meagre wood chip, the technological means that can be used for the industry use on a large scale is not mature enough.
Summary of the invention
The method and the equipment thereof that the purpose of this invention is to provide a kind of wood staining, the technical problem that solve are to shorten dyeing time, enhance productivity.
The present invention is by the following technical solutions: a kind of method of wood staining may further comprise the steps: one, timber is placed container, airtight container; Two,, keep 3-15 to divide and plant to being evacuated to 0.09-0.08Mpa (76-150 holder) in the container; Three, adding temperature in container is 90-95 ℃ dyeing liquid, makes it soak timber fully; Four, pressurization in container, heating make dyeing liquid pressure at 0.3-1.2MPa, and temperature is no more than under 120 ℃ the condition, dyeing cycle liquid 60-120 minute; Five, release, eliminating dyeing liquid take out timber.
After the method release of the present invention, dyeing liquid is lowered the temperature.
Method dyeing liquid temperature of the present invention drops to below 60 ℃, gets rid of dyeing liquid.
Method timber of the present invention vertically places container, and is spaced apart with filter or parting bead between adjacent two blocks of timber.
The dyeing liquid of method circulation of the present invention circulates with 80-100 cubic meters/hour flow velocity.
A kind of equipment of wood staining has openable airtight container, and described airtight container connects vacuum system, dyeing liquid adding and the circulatory system, pressurized, heated system, cooling system, gas extraction system and measurement control and operating system respectively.
Airtight container of the present invention is made of container and container door, is provided with sealing ring between container and the container door, and container door is provided with the door open limit switch and is closed door limit switch by motor-driven in the junction of container and container door.
Vacuum system of the present invention adopts pipeline that roughing pump is communicated with airtight container through magnetic valve, and the vacuum meter that measurement of vacuum is used is housed respectively on vacuum system pipeline and the airtight container.
Dyeing liquid of the present invention adds and the circulatory system is provided with fluid reservoir, and first liquid sucting valve that the feed flow path is connected through pipeline by fluid reservoir, dye liquid pump, second liquid sucting valve are to airtight container; First tapping valve, discharge opeing circulating pump that the discharge opeing path is connected through pipeline by airtight container, second tapping valve is to fluid reservoir; First tapping valve that pipeline connects, discharge opeing circulating pump, interior circulating valve constitute the fluid circulation system in the duration of work airtight container; Fluid circulation system during first liquid sucting valve, dye liquid pump and the interior circulating valve formation inoperative in the fluid reservoir; Airtight container top is provided with the dye liquor overflow valve.
The liquid pressures partially of pressurized, heated of the present invention system is made of first liquid sucting valve, dye liquid pump force (forcing) pump, pressurizing valve to the airtight container that pipeline connects; The steam pressurized heating part is by being connected the 3rd steam valve with vapour source, the jet chimney in airtight container to steam drain constitutes; Described cooling system is provided with cooling tower, the water intaking valve of the cooling tower liquid circulating-pump outlet that runs in, and the outlet valve of cooling tower connects airtight container; Described gas extraction system is made of the balanced valve that is set up in parallel and the safety valve that are connected with airtight container; Described measurement and operating system are equipped with pressure sensor, temperature measurement instrument and the liquid level sensor of gaging pressure respectively on airtight container.
The present invention compared with prior art, adopt the liquid band to press the circulatory system, timber dye liquor in the airtight container flowed make the even look of dye liquor concentration, and make that by high temperature, high pressure dyeing is more even, color is more lively, and time of dyeing is shortened to one hour from eight hours of prior art, and can reduce dyestuff significantly, improves production output, production cost is low, is fit to large-scale industrial production.
Description of drawings
Fig. 1 is the structured flowchart of apparatus embodiments of the present invention.
Fig. 2 is the structural representation of Fig. 1.
Specific implementation method
Below in conjunction with drawings and Examples the present invention is described in further details.
The method of wood staining of the present invention may further comprise the steps: one, timber is vertically placed container, and spaced apart between adjacent two blocks of timber with filter or parting bead, airtight container; Two,, keep 3-15 to divide and plant to being evacuated to 0.09-0.08Mpa (75-150 holder) in the container; Three, adding temperature in container is 90-95 ℃ dyeing liquid, makes it soak timber fully; Four, pressurization in container, heating make dyeing liquid pressure at 0.3-1.2MPa, and temperature is no more than under 120 ℃ the condition, with 80-100 cubic meters/hour flow velocity circulation 60-120 minute; Five, release, dyeing liquid is lowered the temperature; Seven, the dyeing liquid temperature drops to below 60 ℃, gets rid of dyeing liquid, takes out timber.
As shown in Figure 1, the equipment of wood staining of the present invention, has openable airtight container 1, be used for dyeing converted timber within it, airtight container 1 connects vacuum system 2 respectively, dyeing liquid adds and the circulatory system 3, pressurized, heated system 4, cooling system 5, gas extraction system 6, measurement control and operating system.
As shown in Figure 2, airtight container 1 has container 11 and container door 12, is provided with sealing ring 13 between container 11 and the container door 12, and container door 12 is driven by motor 14, be provided with door open limit switch 15 and close door limit switch 16 in the junction of container 11, in order to 14 work of control motor with container door 12.
Vacuum system 2 adopts pipeline that roughing pump 21 is communicated with airtight container 1 through magnetic valve 22, and vavuum pump 21 adopts water ring pump, and the vacuum meter 24 that measurement of vacuum is used is housed respectively on vacuum system pipeline and the airtight container 1.
Dyeing liquid adds and the circulatory system 3 is provided with fluid reservoir 31, and first liquid sucting valve 32 that the feed flow path is connected through pipeline by fluid reservoir 31, dye liquid pump 33, second liquid sucting valve 34 are to airtight container 1.First tapping valve 35 that the discharge opeing path is connected through pipeline by airtight container 1, discharge opeing circulating pump 36, the second tapping valves 37 are to fluid reservoir 31.First tapping valve 35 that pipeline connects, discharge opeing circulating pump 36, interior circulating valve 302 constitute the circulatory system of dye liquor in the duration of work airtight container 1, with the flow velocity circulation of dye liquor in the assurance dyeing work with 80-100 cubic meters/hour.First liquid sucting valve 32, dye liquid pump 33 and interior circulating valve 38 constitute the liquid internal circulation system during the inoperative in the fluid reservoir 31, the dyestuff, the heating-up temperature that are used for dyeing liquid in the fluid reservoir 31 evenly circulate, and fluid reservoir 31 is connected with vapour source by first steam valve 301.Airtight container 1 top is provided with dye liquor overflow valve 39.Also be provided with the pressure sensor 303 and the temperature measurement instrument 304 of gaging pressure on the airtight container 1, and liquid level sensor 23.
Pressurized, heated system 4 partly is made of liquid pressures partially and Steam Heating, and the liquid pressures partially is made of first liquid sucting valve 32, dye liquid pump 33, force (forcing) pump 41, pressurizing valve 42 to the airtight container 1 that pipeline connects; The steam pressurized heating part is by the 3rd steam valve 43 that is connected with vapour source, and the jet chimney in airtight container 1 to steam drain 44 constitutes.
Cooling system 5 is provided with cooling tower 51, liquid circulating pump 36 outlet of running in of the water intaking valve 52 of cooling tower 51, and the outlet valve 53 of cooling tower 51 connects airtight container 1.
Gas extraction system 6 adopts balanced valve that is set up in parallel 61 and the safety valve 62 that is connected with airtight container 1, and balanced valve 61 adopts magnetic valve, and safety valve 62 adopts straight ejector half overflow valve.
Measure control and operating system and adopt configuration and programming control, the signal by gathering each control point is by configuration requirements control and demonstration liquid flow, each valve, pump work.
The course of work of the present invention: closing containers door 12 behind the timber of packing into, close all valves, airtight container 1 is vacuumized, open roughing pump 21 and magnetic valve 22, open vacuum meter 24, vacuum is evacuated to 0.09-0.08MPa (75-150 holder), closes roughing pump 21, magnetic valve 22 and vacuum meter 24 after maintenance 3-15 branch is planted.Temperature are 90-95 ℃ dyeing liquid in the adding fluid reservoir 31, open first liquid sucting valve 32, dye liquid pump 33 and second liquid sucting valve 34.After liquid level sensor 23 records jet chimney in the complete submergence airtight container of dye liquor 1, open the 3rd steam valve 43, to the heating of the liquid in the airtight container 1, temperature is for being no more than 110 ℃, after measuring liquid level Yi Full, liquid level sensor 23 closes the dye liquid pump 33 and second liquid sucting valve 34, open first tapping valve 35, discharge opeing circulating pump 36, interior circulating valve 302 simultaneously, make dye liquor with the circulation of 80-100 cubic meters/hour flow velocity, open force (forcing) pump 41 and pressurizing valve 42, dye liquor is pressurizeed, pressure kept 60-100 minute at 0.3-1.2MPa, and timber is dyeed.Then, close the 3rd steam valve 43, force (forcing) pump 41 and pressurizing valve 42, open balanced valve 61, cooling tower 51, water intaking valve 52, outlet valve 53, dye liquor in the airtight container 1 is cooled off, thermo detector records the dyeing liquid temperature and drops to below 60 ℃, and circulating valve 302, cooling tower 51, water intaking valve 52 and outlet valve 53 are opened second tapping valve 37 in closing, get rid of dyeing liquid to fluid reservoir 31, close first tapping valve 35, discharge opeing circulating pump 36.Open container door 12, take out timber.When opening container door 12, open first liquid sucting valve 32, dye liquid pump 33, interior circulating valve 38 and first steam valve 301, the dye liquors that replenish dyestuffs and liquid in the fluid reservoir 31 are stirred and heat, making its temperature is 90-95 ℃.
As most preferred embodiment, airtight container 1 of the present invention is of a size of 1.6 * 9M garden jar structure, fluid reservoir 31 is of a size of 3 * 3M garden jar structure, cooling tower 51 adopts 150 cubic meters/hours of power of motor 5.5KW of flow, water ring pump adopts 2SK-11 power of motor 11KW, dye liquid pump 33 adopts 160 cubic meters/hours of flows, power of motor 11KW, discharge opeing circulating pump 36 adopts 130 cubic meters/hours of flows, power of motor 11KW, pressure 2Mp, pump housing pressure-bearing 3Mp, force (forcing) pump 41 adopts 6 cubic meters/hours of flows, power of motor 2.2KW, pressure 2.5Mp, can handle 10 cubic metres of timber at every turn.
Embodiment 1, with every chip size is 0.001 * 0.64 * 2.55M poplar sheet, totally 3 cubic metres in timber, vertically place airtight container, separate airtight container with filter between adjacent two blocks of timber, to being evacuated in the container below the 75 holder Pa, kept 3 minutes, the adding temperature is 90 ℃ a purplish red dyeing liquid in container, makes it soak timber fully, and the maintenance dyeing liquid is with 100 cubic meters/hours flow velocity circulation, in container, heat pressurization by steam and force (forcing) pump, make fluid pressure, kept 100 minutes to 1.2MPa, open the balanced valve release, open cooling tower, to the dyeing liquid cooling, the dyeing liquid temperature drops to below 60 ℃, get rid of dyeing liquid from airtight container, the opening encapsulation container takes out timber, and the whole process time is 3 hours.The wood chip dye-uptake reaches 100%, no card, no xanthochromia, no negative and positive plate, and dyeing quality is excellent.Overcome the problem that 10% edge volatility xanthochromia is arranged among traditional side.
Embodiment 2, with every chip size is 0.002 * 0.64 * 2.55M paulownia wood chip, totally 4.5 cubic metres in timber, vertically place airtight container, separate airtight container with filter between adjacent two blocks of timber, to being evacuated in the container below the 75 holder Pa, kept 3 minutes, the adding temperature is 90 ℃ a black-dyeing liquid in container, makes it soak timber fully, and the maintenance dyeing liquid is with 100 cubic meters/hours flow velocity circulation, in container, heat pressurization by steam and force (forcing) pump, make fluid pressure, kept 100 minutes to 1.2MPa, open the balanced valve release, open cooling tower, to the dyeing liquid cooling, the dyeing liquid temperature drops to below 60 ℃, get rid of dyeing liquid from airtight container, the opening encapsulation container takes out timber, and the whole process time is 3 hours.The wood chip dye-uptake reaches 100%, no card, no xanthochromia, no negative and positive plate, Functionality, quality and appealing design.And traditional Fang Ze has the not saturating core of 10% edge volatility xanthochromia and 15%.
Claims (1)
1. the equipment of a wood staining, have openable airtight container (1), it is characterized in that: described airtight container (1) connects vacuum system (2) respectively, dyeing liquid adds and the circulatory system (3), pressurized, heated system (4), cooling system (5), gas extraction system (6) and measurement control and operating system; Described airtight container (1) is made of container (11) and container door (12), be provided with sealing ring (13) between container (11) and the container door (12), container door (12) is driven by motor (14), is provided with door open limit switch (15) and closes door limit switch (16) in the junction of container (11) with container door (12);
Described vacuum system (2) adopts pipeline that roughing pump (21) is communicated with airtight container (1) through magnetic valve (22), and the vacuum meter (24) that measurement of vacuum is used is housed respectively on vacuum system pipeline and the airtight container (1);
Described dyeing liquid adds and the circulatory system (3) is provided with fluid reservoir (31), and first liquid sucting valve (32) that the feed flow path is connected through pipeline by fluid reservoir (31), dye liquid pump (33), second liquid sucting valve (34) are to airtight container (1); First tapping valve (35), discharge opeing circulating pump (36) that the discharge opeing path is connected through pipeline by airtight container (1), second tapping valve (37) is to fluid reservoir (31); First tapping valve (35) that pipeline connects, discharge opeing circulating pump (36), interior circulating valve (302) constitute the fluid circulation system in the duration of work airtight container (1); Fluid circulation system during first liquid sucting valve (32), dye liquid pump (33) and interior circulating valve (38) the formation inoperative in the fluid reservoir (31); Airtight container (1) top is provided with dye liquor overflow valve (39);
The liquid pressures partially of described pressurized, heated system (4) is made of first liquid sucting valve (32), dye liquid pump (33) force (forcing) pump (41), pressurizing valve (42) to the airtight container (1) that pipeline connects; The steam pressurized heating part is by being connected the 3rd steam valve (43) with vapour source, the jet chimney in airtight container (1) to steam drain (44) constitutes; Described cooling system (5) is provided with cooling tower (51), run in liquid circulating pump (36) outlet of the water intaking valve (52) of cooling tower (51), and the outlet valve (53) of cooling tower (51) connects airtight container (1); Described gas extraction system (6) is made of balanced valve that is set up in parallel (61) that is connected with airtight container (1) and safety valve (62); Described measurement and operating system are equipped with pressure sensor (303), temperature measurement instrument (304) and the liquid level sensor (23) of gaging pressure respectively on airtight container (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101420461A CN101342716B (en) | 2008-08-22 | 2008-08-22 | Wood staining method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101420461A CN101342716B (en) | 2008-08-22 | 2008-08-22 | Wood staining method and equipment |
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| CN101342716A CN101342716A (en) | 2009-01-14 |
| CN101342716B true CN101342716B (en) | 2011-07-20 |
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| CN2008101420461A Active CN101342716B (en) | 2008-08-22 | 2008-08-22 | Wood staining method and equipment |
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Families Citing this family (13)
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| CN101791811B (en) * | 2010-03-30 | 2013-06-05 | 嘉汉林业(广州)有限公司 | Fabrication technique of combined lumber |
| CN102814846A (en) * | 2011-06-10 | 2012-12-12 | 广东盈然木业有限公司 | Method for performing weight injection processing on wood |
| CN102241039B (en) * | 2011-07-11 | 2013-11-06 | 北京林业大学 | Energy-saving and high-efficiency method for dying crude wood |
| CN102303334B (en) * | 2011-08-25 | 2014-03-26 | 国家林业局竹子研究开发中心 | Deep-layer coloring method of bamboo |
| CN103507138A (en) * | 2012-06-28 | 2014-01-15 | 中山市大自然木业有限公司 | Method for preparing colorful artificial fiberboard |
| CN102922578A (en) * | 2012-11-26 | 2013-02-13 | 昆山市大金机械设备厂 | Dyeing method for wooden parts |
| CN107309998A (en) * | 2017-06-05 | 2017-11-03 | 安徽信达家居有限公司 | A kind of colouring method for improving deal board dye stability |
| CN107415000B (en) * | 2017-07-10 | 2019-02-19 | 浙江大学 | The method that Poplar wood in plantation carries out level dyeing using water-soluble dye |
| CN108858569B (en) * | 2018-07-05 | 2020-07-31 | 景洪志和木业有限责任公司 | Rubber wood anticorrosive treatment system and method thereof |
| CN109021997B (en) * | 2018-08-14 | 2021-03-12 | 农业部规划设计研究院 | Sealing discharge device and method for biomass continuous pyrolysis liquid product |
| CN112207928B (en) * | 2020-09-28 | 2021-12-17 | 浙江云峰莫干山装饰建材有限公司 | High-color-fastness formaldehyde-free recombined decorative veneer/material and manufacturing method thereof |
| CN113910380A (en) * | 2021-10-29 | 2022-01-11 | 德华兔宝宝装饰新材股份有限公司 | Mildew-proof flame-retardant plywood and production method thereof |
| CN114523538A (en) * | 2022-02-09 | 2022-05-24 | 六安乐晨木业有限公司 | Production dyeing process for decorative veneer |
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