CN201357467Y - Microwave -vacuum drying carbonizing device for wood - Google Patents
Microwave -vacuum drying carbonizing device for wood Download PDFInfo
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- CN201357467Y CN201357467Y CNU2008202319488U CN200820231948U CN201357467Y CN 201357467 Y CN201357467 Y CN 201357467Y CN U2008202319488 U CNU2008202319488 U CN U2008202319488U CN 200820231948 U CN200820231948 U CN 200820231948U CN 201357467 Y CN201357467 Y CN 201357467Y
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- jar
- carbonization chamber
- heat
- tank
- vavuum pump
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Abstract
The utility model relates to a microwave-vacuum drying carbonizing device for wood, which comprises a carbonizing tank (box), a vacuum system, one or more than one microwave source (6), a conduction oil boiler system, and a material storing and feeding system, wherein the carbonizing tank (box) is provided with a tank door (3), a tank door opener (2) and a carbonizing chamber (1); and the microwave source (6) is used for producing microwaves. A microwave protecting net (4) is arranged on the tank door (3); the top of the carbonizing chamber (1) is provided with a gas inlet and outlet valve (39) for the carbonizing chamber; a heat conduction pipe (50) is arranged in the carbonizing tank; and the bottom of the carbonizing chamber is paved with tank vehicle orbits (49) for the carbonizing tank. The microwave source comprises a magnetic control pipe (6) and a wave guide; and the magnetic control pipe (6) is installed on the wall of the carbonizing tank (box). The vacuum system comprises a vacuum pump (22), a vacuum filtering tank (20) and a vacuum pump exhausting and draining purification tank (25). The utility model has the advantages of uniform carbonization and energy saving, shortens the production period by 60% and greatly reduces the production cost.
Description
Technical field
The utility model belongs to drying of wood charing field, is specifically related to a kind of timber micro-wave vacuum carbonizing apparatus.
Background technology
Timber is because the difference of assortment, its fiber difference, and density is also different with intensity, after the drying, along with shrink, warpage usually can appear in the variation of environment, problem such as damage by worms, rot.For many years, people improve the research of wood dimensional stability, performance such as mothproof, anticorrosion, heat-resisting always, have obtained remarkable progress.Particularly in recent years, the carbonized wood product is with its dimensional stability height, shrink-proof, without putrefaction, free from insect pests, nontoxic, durable in use and gain great popularity.But carbonized wood production equipment and production method also exist problems to need to solve.
Disclose a kind of superhigh temperature timber vacuum carbonizing apparatus in the Chinese patent 200720198441.2, this device comprises the charing jar, is provided with heat pipe in the charing jar, and linking to each other with the charing jar is connected to the vacuum machine, and steam generator is connected with the charing jar by conduit.The thermometer that the tank body of charing jar is provided with vacuum tube interface, duct collar, steam inlet, is used to measure the Pressure gauge of tank body internal pressure and measures temperature in the tank body, charing jar one end is provided with cover.
Tank body is the container of charred wood, and during charing, boiler heats heat-conducting medium, and heat-conducting medium is transported in the heat pipe, and heat-conducting medium flows in heat conducting tank, for the carbonization of wood provides high temperature.In carbonization process, the vacuum machine will be evacuated in the jar, has reduced the moisture boiling point, make moisture quicken evaporation, the blower fan blow air makes the interior air themperature of tank body even, steam generator makes timber moistening for steam is provided in the jar, and pressure gauge and thermometer can in time be understood the pressure and temperature in the tank body.
Analyze a little and be not difficult to find, the heating thermal source of said apparatus mainly is to be undertaken by the conduction heat of steam to the charing of timber, and the conduction in material of conduction heat is bound to exist thermograde, and therefore, material can not evenly heat, this can cause the timber distortion, secondly, the thermal efficiency of conduction heat is not high, can cause the waste of the energy, the 3rd, there is not content in the patent about charing method.
Disclose a kind of production method of heat treatment carbonized wood in the Chinese patent 200710068924.5, this production method comprises 1) preparatory stage: with the material of moisture≤12%, stacking is put into carbonizing kiln according to a conventional method; 2) warm-up phase: medium temperature was elevated to 50-80 ℃ at 1-3 hour; 3) temperature rise period: the medium temperature of dry kiln is warmed up to 95-105 ℃ with the speed of 10-18 ℃/h, then the speed with 3-8 ℃/h is warmed up to 120-130 ℃, speed with 12-20 ℃/h is warming up to 185-220 ℃ again, in this temperature rise period, adopts batch (-type) spray steaming method to spray to steam and handles; 4) holding stage: insulation is 2-8 hour between 185-220 ℃; 5) temperature-fall period: close thermal source, adopt the cooling of batch (-type) spray steaming method, make the interior medium temperature of kiln drop to 120-140 ℃ with the speed of 12-18 ℃/h, then adopt porting folding at intermittence and batch (-type) spray steaming method to lower the temperature, make kiln temperature drop to 70-85 ℃, continue spray and steam processing, kept 1-4 hour with the speed of 4-8 ℃/h, make moisture content reach 4-9%, reduce to the room temperature kiln discharge at last.
In the method, can find out: the first, the timber temperature inside is difficult to consistent with the temperature of medium air in the kiln, and this can cause the whole charing lack of homogeneity of timber, the phenomenon of " tendering with a crispy crust " occurs.The second, the different phenomenon of charring degree can appear in inside and outside, the air blower place of corner, grillage in the kiln, and the excessive position temperature of wind speed is too high, causes facial cleft, and the too small position temperature of wind speed is low excessively, does not reach charing.The 3rd, when moisture content reduced to 0 in the carbonization of wood process, spray steaming humidification can make the charred wood explosion again, increases the timber loss.The 4th, be only applicable to the material of moisture≤12%.
At the shortcoming that exists in above-mentioned carbonization of wood equipment and the production method, the inventor has carried out exploration for many years, has proposed timber micro-wave vacuum carbonizing apparatus of the present utility model and dry charing method.
Summary of the invention
But the purpose of this utility model provide a kind of consume energy low, make evenly various moisture materials of charing and carry out the timber micro-wave vacuum carbonizing apparatus that industrialization is produced of the carbonization of wood.
Therefore the utility model provides a kind of timber micro-wave vacuum carbonizing apparatus, and it comprises: a charing jar (case) with jar door (3) and jar door opener (2) and carbonization chamber (1), and a vacuum system is characterized in that,
Comprise that also one or more produce the microwave source (6) of microwave;
A heat-conducting oil furnace system;
Getting the raw materials ready and charging system of a material.
Described drying of wood carbonizing apparatus, the jar door (3) that it is characterized in that charing jar (case) is provided with microwave protection net (4), the wall of jar (case) body be provided with control jar door opening and closing, microwave generation and close and the safe locking device (8) of interior the air eliminating of carbonization chamber (1), be provided with carbonization chamber intake and exhaust valve (39) at the top of carbonization chamber (1), be provided with heat pipe (50) in jar, the bottom of carbonization chamber is covered with charing jar tank car track (49).
Described drying of wood carbonizing apparatus, it is characterized in that temperature thermocouple (9), pressure thermocouple (10), vacuo-junction (11) and material water analysis instrument connection jaws (15) insert in the carbonization chamber (1), on the wall of jar (case) body, also be provided with carbonization chamber thermometer (12), carbonization chamber Pressure gauge (13), carbonization chamber vacuum meter (14) and safety valve (16), be provided with carbonization chamber in the bottom of tank body and drain valve (17).
The microwave source that described drying of wood carbonizing apparatus produces microwave comprises magnetron (6) and waveguide, links to each other with microwave switch board (7) by cable (27), and in carbonization chamber (1), magnetron (6) is installed on the wall of charing jar (case) microwave by waveguide transmission.
The vacuum system of described drying of wood carbonizing apparatus comprises vavuum pump (22), vacuum filtration jar (20) and vavuum pump exhaust outlet purification pot (25), on vavuum pump air intake duct (23A), be provided with air intake duct valve (18), one end of vavuum pump air intake duct (23A) communicates with carbonization chamber (1), the other end communicates with vacuum filtration jar (20), one end of vavuum pump air intake duct (23B) communicates with vavuum pump (22), the other end communicates with vacuum filtration jar (20), vacuum filtration jar vacuum monitoring form (21) is housed on the vacuum filtration jar (20), vavuum pump blast pipe (24) one ends communicate with vavuum pump (22), the other end communicates with vavuum pump exhaust outlet purification pot (25), and vavuum pump exhaust outlet purification pot water discharging valve (26) is located at the bottom of vavuum pump exhaust outlet purification pot (25).
The bottom of the heat-conducting oil furnace of described drying of wood carbonizing apparatus (28) is provided with oil oven fire door (29), the top of heat-conducting oil furnace (28) is provided with chimney (31), also be provided with heat-conducting oil furnace Pressure gauge (46) on the heat-conducting oil furnace (28), oil oven flowline (35) one ends communicate with carbonization chamber (1), the other end communicates with heat-conducting oil furnace (28), oil oven oil return pipe (36) one ends communicate with carbonization chamber (1), the other end links to each other with heat-conducting oil furnace circulating pump (32), fuel reserve tank (34) links to each other with heat-conducting oil furnace circulating pump (32), on the hot oil circulating pipeline (47) that connects heat-conducting oil furnace circulating pump (32) and heat-conducting oil furnace (28) Circulation and Hot Oil Spray pressure monitoring table (33) is housed.
Get the raw materials ready and the charging system of the material of described drying of wood carbonizing apparatus (43) comprise tank car (42), tank car trapped orbit (41) and tank car moving track (40).
The invention has the beneficial effects as follows:
1. vacuum reaches requirement in jar, and temperature is in the time of 70 ℃ in jar, and the moisture of timber can reach boiling point, thus evaporation.
Because of the hydrone of timber by microwave high-frequency concussion heating, make the unanimity of being heated inside and outside the timber, moisture evaporates from inside to outside, the drying of wood is even, avoids producing the phenomenon of " tendering with a crispy crust ".
3. two heat energy systems.Microwave is heated to the hydrone of timber, and thermal cycle oil is heated to the material in the jar, and the charing rate of timber has been accelerated in the dual intensity source, has saved the energy, phenomenons such as dry and cracked, warpage also can not occur.
4. according to the material of material, dry and charring degree conditioning equipment arbitrarily, the less material of density can be set at low temperature, the charing of low pressure drying, and the material that density is bigger can be set at high temperature, the charing of high pressure drying.
5. during this device desiccated wood, unrestricted to the material moisture content.When but material reaches the charing moisture content, can directly carry out charing and handle, also can dry charing one handle, thereby save human and material resources, financial resources.
6. carbonized wood is compared with the timber that the traditional drying explained hereafter goes out, dimensional stability has improved 10-20 doubly, moisture resistance has improved 10-15 doubly, corrosion resistant, moth-resistant property have been increased, the timber loss that warpage causes in the dry run has reduced by 70%, prolongs 10-30 service life doubly, thereby has reduced the felling of timber significantly, reduced demand, saved resource timber.
7. adopt apparatus of the present invention and production method thereof, the water vapour and the heat energy that produce when only relating to moisture content, the drying of wood in the production process, do not have the participation of chemicals in the conventional method, charred wood is pollution-free, unharmful substance, does not externally discharge any dusty gas in the production process.
8. shortened for 60% production cycle than conventional method, therefore, energy consumption has reduced 60-70%, thereby has reduced production cost significantly.
Description of drawings
Fig. 1 is the utility model schematic representation of apparatus
Fig. 2 is the sectional view at the utility model device A-A place
Fig. 3 is the longitdinal cross-section diagram of the utility model tank car
The specific embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:
As Figure 1-3, timber micro-wave vacuum, carbonizing apparatus, it comprises: the charing jar (case) with jar door (3) and jar door opener (2) and carbonization chamber (1), a vacuum system, comprise that also one or more produce the microwave source (6) of microwave, a heat-conducting oil furnace system, the getting the raw materials ready and charging system an of material.
The jar door (3) of the charing jar (case) of drying of wood carbonizing apparatus is provided with microwave protection net (4), the wall of jar (case) body is provided with safe locking device (8), is used to control the generation of jar opening and closing of door, microwave and closes and the eliminating of the interior air of carbonization chamber (1).Temperature thermocouple (9), pressure thermocouple (10), vacuo-junction (11) and material water analysis instrument connection jaws (15) insert in the carbonization chamber (1), and the other end and PRC automatic safety device join.On the wall of jar (case) body, also be provided with carbonization chamber thermometer (12), carbonization chamber Pressure gauge (13), carbonization chamber vacuum meter (14) and safety valve (16), be provided with carbonization chamber intake and exhaust valve (39) at the top of carbonization chamber (1), this valve and PRC automatic safety system join, as superpressure in the jar, automated system will indicate carbonization chamber intake and exhaust valve (39) to open.Be provided with carbonization chamber in the bottom of tank body and drain valve (17), be used to drain the sewage that cleans tank body, charing jar base (5) is used to support the charing jar.In jar, be provided with heat pipe (50), be used for material is heated.The bottom of carbonization chamber is covered with charing jar tank car track (49).
The microwave source of drying of wood carbonizing apparatus comprises magnetron (6) and waveguide, links to each other with microwave switch board (7) by cable (27), and the quantity of magnetron and power are determined according to the volume of equipment.Magnetron (6) is equidistant to be installed on the wall of charing jar (case) equably, in the different time, starts different magnetrons, and open and close successively make to form the rotation microwave in the carbonization chamber (1).Microwave in carbonization chamber (1), makes the polar water molecules high frequency oscillation by waveguide transmission, and material is evenly heated.
The vacuum system of drying of wood carbonizing apparatus comprises vavuum pump (22), vacuum filtration jar (20) and vavuum pump exhaust outlet purification pot (25).Vavuum pump (22) is a liquid-ring type, and its power is set according to the volume of charing jar.The bottom of vacuum filtration jar (20) is provided with vacuum filtration jar water discharging valve (19).Be provided with air intake duct valve (18) on vavuum pump air intake duct (23A), open air intake duct valve (18), vavuum pump (22) just can vacuumize carbonization chamber (1).One end of vavuum pump air intake duct (23A) communicates with carbonization chamber (1), and the other end communicates with vacuum filtration jar (20), and vacuum filtration jar (20) can make airborne particle sedimentation and filtration, damages with the foreign matter of avoiding vavuum pump (22) to be inhaled into.Vavuum pump air intake duct (23B) end communicates with vavuum pump (22), and the other end communicates with vacuum filtration jar (20).Vacuum filtration jar vacuum monitoring form (21) is housed on the vacuum filtration jar (20), is used to monitor the vacuum in the vacuum filtration jar (20).Vavuum pump blast pipe (24) one ends communicate with vavuum pump (22), and the other end communicates with vavuum pump exhaust outlet purification pot (25), and vavuum pump exhaust outlet purification pot water discharging valve (26) is located at the bottom of vavuum pump exhaust outlet purification pot (25).
The bottom of the heat-conducting oil furnace of drying of wood carbonizing apparatus (28) is provided with heat-conducting oil furnace pedestal (30), is made by refractory material.The bottom of heat-conducting oil furnace (28) is provided with oil oven fire door (29), and the top of heat-conducting oil furnace (28) is provided with chimney (31), also is provided with heat-conducting oil furnace Pressure gauge (46) on the heat-conducting oil furnace (28).Oil oven flowline (35) one ends communicate with carbonization chamber (1), and the other end communicates with heat-conducting oil furnace (28).Oil oven oil return pipe (36) one ends communicate with carbonization chamber (1), and the other end links to each other with heat-conducting oil furnace circulating pump (32).Fuel reserve tank (34) links to each other with heat-conducting oil furnace circulating pump (32), on the hot oil circulating pipeline (47) that connects heat-conducting oil furnace circulating pump (32) and heat-conducting oil furnace (28) Circulation and Hot Oil Spray pressure monitoring table (33) is housed.Fuel reserve tank (34) can provide the circulation heater oil, can regulate expanding with heat and contract with cold of circulating hot oil.Open charing jar oil-feed valve (37), deep fat flows into the heat pipe (50) in the carbonization chamber (1), opens charing jar oil return valve (38), and deep fat flows out from heat pipe (50).
Get the raw materials ready and the charging system of the material of drying of wood carbonizing apparatus comprise tank car (42), tank car trapped orbit (41) and tank car moving track (40).When reinforced, open a jar door (3), tank car moving track (40) is laid between tank body and the tank car (42), the tank car (42) that will install material (43) pushes in the carbonization chamber (1) by charing jar tank car track (49), can carry out dry charing and handle.
When material was carried out the charing processing, the branch following steps were carried out:
A. preparatory stage: the material thickness that place Min layers is placed in the tank car (42) is 500mm, the thick parting bead (48) of lay 10mm between layer and the layer, the spacing of parting bead is 40mm, add stainless steel protective plate (44) at the tank car top, protective plate (44) can make material evenly stressed, can also prevent that material from being polluted, protective plate adds 300kg/m above (44)
2Concrete briquetting (45), tank car (42) is pushed in the jar, close jar door (3), close intake and exhaust valve (39);
B. temperature rise period: temperature in the jar is risen to 50 ℃, be warming up to 100 ℃ with 4 ℃/h again, be warming up to 120 ℃ with 2 ℃/h again;
C. be incubated the vacuum drying stage: with material insulation 8 hours;
D. vacuum drying stage: with 0,04Torr is to vacuumizing in the jar, degreasing processed 15 hours, and material moisture reduces to 4, finishes the drying of material.If desiccated wood, after this stage finished, timber can go out jar;
E. HTHP charing stage: starting deep fat is the circulating pump (32) of medium, and the oil oven temperature remains on 200 ℃, and the flow-control of oil is at 15M
3/ h, a jar internal pressure is controlled at 0.2MPa, keeps 24 hours;
F. step-down temperature-fall period: close microwave source and thermal source, open intake and exhaust valve (39), a jar internal pressure is unloaded to 0 with 0.05MPa/h, and temperature is reduced to 80 ℃ with 6 ℃/h, closes intake and exhaust valve (39);
G. vacuum reduction stage: temperature is reduced to after 80 ℃, starts vavuum pump (22), to carrying out the air circulation cooling in the jar, treats that temperature reduces to 60 ℃, goes out jar, finishes the charing of timber is handled.
Claims (7)
1. timber micro-wave vacuum carbonizing apparatus, it comprises: the charing jar case with jar door (3) and jar door opener (2) and carbonization chamber (1), a vacuum system, the vavuum pump of vacuum system is connected with the carbonization chamber (1) of charing jar case by the vavuum pump air intake duct, it is characterized in that
Also comprise the microwave source that produces microwave, the magnetron of microwave source (6) is installed on the wall of charing jar case;
A heat-conducting oil furnace system, one end of the oil oven flowline (35) of heat-conducting oil furnace (28) communicates with carbonization chamber (1), the other end communicates with heat-conducting oil furnace (28), oil oven oil return pipe (36) one ends communicate with carbonization chamber (1), the other end links to each other with heat-conducting oil furnace circulating pump (32), and fuel reserve tank (34) links to each other with heat-conducting oil furnace circulating pump (32);
Getting the raw materials ready and charging system of a material got the raw materials ready and the tank car (42) of charging system enters carbonization chamber (1) by the charing jar tank car track (49) that the carbonization chamber bottom is covered with.
2. drying of wood carbonizing apparatus as claimed in claim 1, the jar door (3) that it is characterized in that charing jar case is provided with microwave protection net (4), the wall of jar casing be provided with control jar door opening and closing, microwave generation and close and the safe locking device (8) of interior the air eliminating of carbonization chamber (1), be provided with carbonization chamber intake and exhaust valve (39) at the top of carbonization chamber (1), be provided with heat pipe (50) in jar, the bottom of carbonization chamber is covered with charing jar tank car track (49).
3. drying of wood carbonizing apparatus as claimed in claim 2, it is characterized in that temperature thermocouple (9), pressure thermocouple (10), vacuo-junction (11) and material water analysis instrument connection jaws (15) insert in the carbonization chamber (1), on the wall of jar casing, also be provided with carbonization chamber thermometer (12), carbonization chamber Pressure gauge (13), carbonization chamber vacuum meter (14) and safety valve (16), be provided with carbonization chamber in the bottom of tank body and drain valve (17).
4. drying of wood carbonizing apparatus as claimed in claim 1, it is characterized in that microwave source comprises magnetron (6) and waveguide, link to each other with microwave switch board (7) by cable (27), in carbonization chamber (1), magnetron (6) is installed on the wall of charing jar case microwave by waveguide transmission.
5. drying of wood carbonizing apparatus as claimed in claim 1, it is characterized in that vacuum system comprises vavuum pump (22), vacuum filtration jar (20) and vavuum pump exhaust outlet purification pot (25), on vavuum pump air intake duct (23A), be provided with air intake duct valve (18), one end of vavuum pump air intake duct (23A) communicates with carbonization chamber (1), the other end communicates with vacuum filtration jar (20), one end of vavuum pump air intake duct (23B) communicates with vavuum pump (22), the other end communicates with vacuum filtration jar (20), vacuum filtration jar vacuum monitoring form (21) is housed on the vacuum filtration jar (20), the bottom of vacuum filtration jar (20) is provided with vacuum filtration jar water discharging valve (19), vavuum pump blast pipe (24) one ends communicate with vavuum pump (22), the other end communicates with vavuum pump exhaust outlet purification pot (25), and vavuum pump exhaust outlet purification pot water discharging valve (26) is located at the bottom of vavuum pump exhaust outlet purification pot (25).
6. drying of wood carbonizing apparatus as claimed in claim 1, the bottom that it is characterized in that heat-conducting oil furnace (28) is provided with oil oven fire door (29), the top of heat-conducting oil furnace (28) is provided with chimney (31), also be provided with heat-conducting oil furnace Pressure gauge (46) on the heat-conducting oil furnace (28), oil oven flowline (35) one ends communicate with carbonization chamber (1), the other end communicates with heat-conducting oil furnace (28), oil oven oil return pipe (36) one ends communicate with carbonization chamber (1), the other end links to each other with heat-conducting oil furnace circulating pump (32), fuel reserve tank (34) links to each other with heat-conducting oil furnace circulating pump (32), on the hot oil circulating pipeline (47) that connects heat-conducting oil furnace circulating pump (32) and heat-conducting oil furnace (28) Circulation and Hot Oil Spray pressure monitoring table (33) is housed.
7. drying of wood carbonizing apparatus as claimed in claim 1, it is characterized in that material (43) get the raw materials ready and charging system comprise tank car (42), tank car trapped orbit (41) and tank car moving track (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202319488U CN201357467Y (en) | 2008-12-23 | 2008-12-23 | Microwave -vacuum drying carbonizing device for wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202319488U CN201357467Y (en) | 2008-12-23 | 2008-12-23 | Microwave -vacuum drying carbonizing device for wood |
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| CN201357467Y true CN201357467Y (en) | 2009-12-09 |
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| CNU2008202319488U Expired - Lifetime CN201357467Y (en) | 2008-12-23 | 2008-12-23 | Microwave -vacuum drying carbonizing device for wood |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152363A (en) * | 2011-01-30 | 2011-08-17 | 福建省建瓯市华宇竹业有限公司 | Loading and unloading system of bamboo product carbonizing furnace |
| CN103940207A (en) * | 2013-08-23 | 2014-07-23 | 太仓市金强家具有限公司 | Unmanned microwave wood drying device |
| US9282594B2 (en) | 2010-12-23 | 2016-03-08 | Eastman Chemical Company | Wood heater with enhanced microwave launching system |
| CN106272834A (en) * | 2016-09-22 | 2017-01-04 | 安徽三和工艺品有限公司 | A kind of board surface carbonization treatment technique |
| CN106313249A (en) * | 2016-09-22 | 2017-01-11 | 安徽三和工艺品有限公司 | Deep carbonation method for thick and heavy wood plate |
| CN106426473A (en) * | 2016-11-08 | 2017-02-22 | 宜华生活科技股份有限公司 | Method and equipment for drying and carbonizing wood integrally on vacuum condition |
| CN107144096A (en) * | 2017-05-11 | 2017-09-08 | 国际竹藤中心 | A kind of round bamboo wood microwave vacuum drying method |
| CN108204714A (en) * | 2016-12-20 | 2018-06-26 | 郭玉亮 | A kind of vacuum drying of wood tank and technique |
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2008
- 2008-12-23 CN CNU2008202319488U patent/CN201357467Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9282594B2 (en) | 2010-12-23 | 2016-03-08 | Eastman Chemical Company | Wood heater with enhanced microwave launching system |
| US9456473B2 (en) | 2010-12-23 | 2016-09-27 | Eastman Chemical Company | Dual vessel chemical modification and heating of wood with optional vapor |
| CN102152363A (en) * | 2011-01-30 | 2011-08-17 | 福建省建瓯市华宇竹业有限公司 | Loading and unloading system of bamboo product carbonizing furnace |
| CN102152363B (en) * | 2011-01-30 | 2012-10-03 | 福建省建瓯市华宇竹业有限公司 | Loading and unloading system of bamboo product carbonizing furnace |
| CN103940207A (en) * | 2013-08-23 | 2014-07-23 | 太仓市金强家具有限公司 | Unmanned microwave wood drying device |
| CN103940207B (en) * | 2013-08-23 | 2016-04-13 | 太仓市金强家具有限公司 | Adopt the method for unattended microwave timber drying device desiccated wood |
| CN106272834A (en) * | 2016-09-22 | 2017-01-04 | 安徽三和工艺品有限公司 | A kind of board surface carbonization treatment technique |
| CN106313249A (en) * | 2016-09-22 | 2017-01-11 | 安徽三和工艺品有限公司 | Deep carbonation method for thick and heavy wood plate |
| CN106426473A (en) * | 2016-11-08 | 2017-02-22 | 宜华生活科技股份有限公司 | Method and equipment for drying and carbonizing wood integrally on vacuum condition |
| CN106426473B (en) * | 2016-11-08 | 2017-12-12 | 宜华生活科技股份有限公司 | The method and apparatus that the drying of wood and the integrated treatment that is carbonized are carried out under vacuum condition |
| CN108204714A (en) * | 2016-12-20 | 2018-06-26 | 郭玉亮 | A kind of vacuum drying of wood tank and technique |
| CN107144096A (en) * | 2017-05-11 | 2017-09-08 | 国际竹藤中心 | A kind of round bamboo wood microwave vacuum drying method |
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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: Fushun Hualin carbonized wood Development Co., Ltd. Assignor: Luo Yucheng Contract record no.: 2010210000004 Denomination of utility model: Microwave vacuum device for drying and charring lumber Granted publication date: 20091209 License type: Exclusive License Record date: 20100211 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |
|
| CX01 | Expiry of patent term |