CN103963126A - Airflow disturbance type timber dipping device and timber dipping method - Google Patents
Airflow disturbance type timber dipping device and timber dipping method Download PDFInfo
- Publication number
- CN103963126A CN103963126A CN201410215398.0A CN201410215398A CN103963126A CN 103963126 A CN103963126 A CN 103963126A CN 201410215398 A CN201410215398 A CN 201410215398A CN 103963126 A CN103963126 A CN 103963126A
- Authority
- CN
- China
- Prior art keywords
- impregnating autoclave
- tornadotron
- impregnating
- dipping
- timber
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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.)
- Granted
Links
- 238000007598 dipping method Methods 0.000 title claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005554 pickling Methods 0.000 claims description 19
- 239000002023 wood Substances 0.000 claims description 18
- 238000005470 impregnation Methods 0.000 claims description 10
- 238000013459 approach Methods 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 abstract description 3
- 241000219000 Populus Species 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000002605 large molecules Chemical class 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides a timber dipping method and an airflow disturbance type timber dipping device, which have the advantages that the dipping time can be shortened, the dipping speed can be improved, and meanwhile, the densities of the surface layer and the center of dipped timber can be basically the same. The device comprises a dipping tank, wherein two cyclone tubes communicated with a compressed air source are arranged inside the dipping tank; air outlet holes are formed in each cyclone tube; air entering the dipping tank through the air outlet holes forms airflow rotating in the same direction so as to blow dipped resign to rotate in the same direction. The timber dipping method comprises the following steps: introducing resin liquid into the dipping tank; along with the progress of the dipping process, if the pressure p inside the dipping tank is smaller than x, introducing air to the cyclone tubes through the compressed air source to enable the air entering the dipping tank through the air outlet holes to form vortex flow rotating in the same direction so as to blow the dipped resin to rotate in the same direction, and stopping introducing air in the cyclone tubes until the pressure p inside the dipping tank is equal to y.
Description
Technical field
This technology relates to timber pickling device and dipping method.
Background technology
Timber pickling resin (glue) can increase the density of timber, improves mechanical property.The Lauxite that resin generally adopts molecular weight to be less than 400.Little molecule resin can enter wood cell wall internal clearance, strengthens cell membrane intensity.During timber resin pickup, generally select pressure impregnation tank.First timber is put on support, then support is advanced in impregnating autoclave, close impregnating autoclave lid, impregnation of timber tank then will be housed and vacuumize, then in impregnating autoclave, fill with resin by resin input pipe, and to keep pressure be 0.4MPa.For the poplar plate of the about 3cm of thickness, when pressure is 0.4MPa, generally through 4 hours, can complete dipping, can make the averag density of poplar by 0.4g/cm
3bring up to 0.6 g/cm
3.But find through test, the density of the poplar plate after dipping on thickness direction differs larger, maximum in the surface layer density near poplar plate, reach 0.7g/cm
3above, less in the center density near poplar plate, generally only have 0.5g/cm
3.Due to the existence of density contrast, cause the inhomogeneous of wood property, also easily cause timber distortion.Reduce wood surface and inner density difference, just need to extend the more time,
Cause the reason of the larger phenomenon of above-mentioned density contrast, applicant analyzes, outside the Pass having with lumber thickness and dip time, may also have following reason: during impregnating resin, although adopt the resin of molecular weight < 400, in resin, always contain the large molecule of a small amount of molecular weight > 400.When impregnating, these large molecules are difficult to enter timber inside, will be attached to wood surface, and the macromolecular resin adhering to has hindered timber top layer hole, have affected the speed that other little molecule continues to enter timber inside; The wood surface of preparing in addition dipping is generally roughing sheet material, and wood surface has a lot of fiber fines (wolline), and when dipping, fiber fines also can be adsorbed on wood surface, has hindered the speed that glue enters timber inside.
Summary of the invention
The object of this technology is to provide a kind ofly can shorten dip time, simultaneously can make timber top layer and the basically identical flow perturbation formula timber pickling device of center density after impregnation.
The flow perturbation formula timber pickling device of this technology, comprise impregnating autoclave, the resin input pipe communicating with impregnating autoclave, be arranged on impregnating autoclave bottom for placing the support of timber, in impregnating autoclave, be provided with the tornadotron communicating with compressed gas source outside impregnating autoclave, on the tube wall of tornadotron, exhaust vent is set, the axis direction of exhaust vent meets: the gas that the exhaust vent on tornadotron enters impregnating autoclave forms the air-flow to same direction rotation, to blow impregnating resin in impregnating autoclave to same direction rotation.
Above-mentioned flow perturbation formula timber pickling device, tornadotron is parallel to the axis of impregnating autoclave.Tornadotron has more than two, is arranged on the support top in impregnating autoclave.
Above-mentioned flow perturbation formula timber pickling device, exhaust vent has a plurality of, along the axis setting of tornadotron.
Above-mentioned flow perturbation formula timber pickling device, is outside equipped with for reflecting the liquid level display of the impregnating resin liquid level height in impregnating autoclave at impregnating autoclave.
Above-mentioned flow perturbation formula timber pickling device, the bottom of support arranges roller.
The present invention also provides a kind of simultaneously can shorten dip time, improve impregnating speed, can make timber top layer and the basically identical wood impregnation approaches of center density after impregnation simultaneously.
This wood impregnation approaches, is used above-mentioned flow perturbation formula timber pickling device, first in impregnating autoclave, passes into resin liquid, and the amount of resin is wanted to flood timber; Carrying out along with dipping process, if p is lower than x for impregnating autoclave internal pressure, by compressed gas source, to tornadotron, pass into gas, make the exhaust vent of gas on tornadotron enter in impregnating autoclave the eddy current forming to same direction rotation, and blow impregnating resin to same direction rotation, until impregnating autoclave internal pressure p stops passing into gas to tornadotron while equaling y.
Above-mentioned wood impregnation approaches, y=0.42 MPa, x=0.38 MPa.
The beneficial effect of this technology: in dipping process, if pressure is lower than setting value, just by tornadotron, in impregnating autoclave, be blown into Compressed Gas, make impregnating resin in impregnating autoclave to same direction rotation, mobile resin can be taken away the macromolecular resin that is attached to wood surface, the wolline of wood surface also can wave with mobile resin simultaneously, make wood surface hole unimpeded, so just accelerated the speed that resin enters timber, shorten dip time, made to flood in the table of rear timber density more even simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow perturbation formula timber pickling device sectional view (schematic diagram) of embodiment 1.
Fig. 2 is that the master of embodiment 1 looks schematic diagram (right view of Fig. 1 omits timber etc.).
The specific embodiment
Below in conjunction with the drawings and specific embodiments, this technology is described further.
Referring to the flow perturbation formula timber pickling device shown in Fig. 1,2, comprise the impregnating autoclave 1 with end cap 11, the valvular resin input pipe 2 of tool communicating with impregnating autoclave, the valvular vacuum-pumping tube 12 of tool, Pressure gauge 14, be arranged on impregnating autoclave bottom for placing the support 3 of timber 4, the bottom of support arranges roller 5.In impregnating autoclave, be provided with two tornadotrons 6 that communicate with compressed gas source outside impregnating autoclave, on the pipeline communicating with compressed gas source at tornadotron 6, be provided with valve 13.Tornadotron 6 arranges support top, and is parallel to the axis of impregnating autoclave.
Axis along tornadotron arranges a plurality of exhaust vents 7 on the tube wall of tornadotron, the axis direction of exhaust vent meets: the gas that the exhaust vent on tornadotron enters impregnating autoclave forms around impregnating autoclave axis the eddy current to same direction rotation, with blow impregnating resin in impregnating autoclave around impregnating autoclave axis to same direction rotation, the resin of the macromolecule on plank surface is with the resin transfer of rotation and leave plank surface.The wolline of wood surface also can wave with mobile resin simultaneously, makes wood surface hole unimpeded.
At impregnating autoclave, be outside equipped with for reflecting the liquid level charactron 8 of the impregnating resin liquid level height in impregnating autoclave, the upper and lower side of liquid level charactron communicates with the top and the bottom of impregnating autoclave respectively.
Thickness is the poplar plate of 3cm while flooding, and puts on support cottonwood plank stuff is anti-, then opens the end cap 11 of impregnating autoclave end, along the axis of impregnating autoclave, support is pushed in impregnating autoclave, end cap 11 is closed and maintenance seals with impregnating autoclave.First by vacuum-pumping tube to vacuumizing in impregnating autoclave, then by resin input pipe 2 to the resin 9 that passes into molecular weight < 400 in impregnating autoclave, and the amount of resin is wanted to flood timber.Then make impregnating autoclave internal pressure p remain on 0.4 MPa(pressure oscillation scope 0.38-0.42 MPa).Carrying out along with dipping, impregnating autoclave internal pressure can reduce gradually, when pressure is lower than 0.38 MPa, by compressed gas source, to tornadotron, pass into the gas that pressure is 0.6MPa, make the exhaust vent of gas on tornadotron enter in impregnating autoclave the eddy current forming to same direction rotation, and blow impregnating resin to same direction rotation, until stop passing into gas to tornadotron during impregnating autoclave internal pressure p=0.42 MPa.In dipping process, when not passing into gas by tornadotron, if when observing resin liquid level and timber can not be flooded lower than a certain numerical value by dipping liquid level charactron, add in time resin by resin input pipe 2.
In impregnating autoclave, pass into when resin reaches 4 MPa pressure and start timing, through pressurize in 4 hours, can complete dipping, then emit unnecessary impregnating resin liquid and just can draw off timber in tank, test averag density 0.6 g/cm after dry to the cottonwood plank stuff through dipping
3.In the surface layer density near poplar plate, reach 0.67g/cm
3, in the center density near poplar plate, reach 0.55g/cm
3above.
Claims (8)
1. flow perturbation formula timber pickling device, comprise impregnating autoclave, the resin input pipe communicating with impregnating autoclave, be arranged on impregnating autoclave bottom for placing the support of timber, it is characterized in that: in impregnating autoclave, be provided with the tornadotron communicating with compressed gas source outside impregnating autoclave, on the tube wall of tornadotron, exhaust vent is set, the axis direction of exhaust vent meets: the gas that the exhaust vent on tornadotron enters impregnating autoclave forms the eddy current to same direction rotation, to blow impregnating resin in impregnating autoclave to same direction rotation.
2. flow perturbation formula timber pickling device as claimed in claim 1, is characterized in that: tornadotron is parallel to the axis of impregnating autoclave.
3. flow perturbation formula timber pickling device as claimed in claim 2, is characterized in that: tornadotron has more than two, is arranged on the support top in impregnating autoclave.
4. the flow perturbation formula timber pickling device as described in claim 1,2 or 3, is characterized in that: exhaust vent has a plurality of, along the axis setting of tornadotron.
5. the flow perturbation formula timber pickling device as described in claim 1,2 or 3, is characterized in that: at impregnating autoclave, be outside equipped with for reflecting the liquid level display of the impregnating resin liquid level height in impregnating autoclave.
6. the flow perturbation formula timber pickling device as described in claim 1,2 or 3, is characterized in that: the bottom of support arranges roller.
7. wood impregnation approaches, is characterized in that: right to use requires the arbitrary described flow perturbation formula timber pickling device of 1-6, first in impregnating autoclave, passes into resin liquid, and the amount of resin is wanted to flood timber; Carrying out along with dipping process, if impregnating autoclave internal pressure p is lower than x value, by compressed gas source, to tornadotron, pass into gas, make the exhaust vent of gas on tornadotron enter in impregnating autoclave the eddy current forming to same direction rotation, and blow impregnating resin to same direction rotation, until impregnating autoclave internal pressure p stops passing into gas to tornadotron while equaling y value.
8. wood impregnation approaches as claimed in claim 7, is characterized in that: y=0.42 MPa, x=0.38 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215398.0A CN103963126B (en) | 2014-05-21 | 2014-05-21 | Airflow disturbance timber pickling device and wood impregnation approaches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215398.0A CN103963126B (en) | 2014-05-21 | 2014-05-21 | Airflow disturbance timber pickling device and wood impregnation approaches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103963126A true CN103963126A (en) | 2014-08-06 |
| CN103963126B CN103963126B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215398.0A Active CN103963126B (en) | 2014-05-21 | 2014-05-21 | Airflow disturbance timber pickling device and wood impregnation approaches |
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| CN (1) | CN103963126B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014753A (en) * | 2015-07-14 | 2015-11-04 | 王伟宏 | Fast-growing wood flame-retardant laminated plate and production method thereof |
| CN105500481A (en) * | 2015-12-13 | 2016-04-20 | 徐建立 | Wood-bamboo immersion treatment system |
| CN105563580A (en) * | 2015-12-24 | 2016-05-11 | 安吉汉洲生物科技有限公司 | Bamboo and wood corrosion and mould prevention process |
| CN110961165A (en) * | 2018-09-29 | 2020-04-07 | 中国石油化工股份有限公司 | Catalyst dipping and drying integrated device and method and application thereof |
| CN110961166A (en) * | 2018-09-30 | 2020-04-07 | 中国石油化工股份有限公司 | Catalyst impregnation apparatus and method |
| CN114323202A (en) * | 2022-03-10 | 2022-04-12 | 北京理工大学 | Detection apparatus for pipe flooding liquid level |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520279A (en) * | 1967-11-16 | 1970-07-14 | Maurice W Hoover | Continuous vacuum impregnator |
| CN1188432A (en) * | 1995-05-16 | 1998-07-22 | 威廉C·里德 | Method of delivering substance into material mass |
| EP0915121A1 (en) * | 1997-11-05 | 1999-05-12 | Sound Pipe Ltd | Improvements relating to treatment vessels, for example for the acetylation of lignocellulosic materials and methods of treatment |
| CN103090364A (en) * | 2013-02-08 | 2013-05-08 | 胡光 | Horizontal type cyclone combustion biomass burning machine |
| CN203919265U (en) * | 2014-05-21 | 2014-11-05 | 阜阳市金木工艺品有限公司 | Flow perturbation formula timber pickling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS272960B1 (en) * | 1986-12-23 | 1991-02-12 | Holakovsky Stefan | Device for the improvement of lignocellulose materials |
-
2014
- 2014-05-21 CN CN201410215398.0A patent/CN103963126B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520279A (en) * | 1967-11-16 | 1970-07-14 | Maurice W Hoover | Continuous vacuum impregnator |
| CN1188432A (en) * | 1995-05-16 | 1998-07-22 | 威廉C·里德 | Method of delivering substance into material mass |
| EP0915121A1 (en) * | 1997-11-05 | 1999-05-12 | Sound Pipe Ltd | Improvements relating to treatment vessels, for example for the acetylation of lignocellulosic materials and methods of treatment |
| CN103090364A (en) * | 2013-02-08 | 2013-05-08 | 胡光 | Horizontal type cyclone combustion biomass burning machine |
| CN203919265U (en) * | 2014-05-21 | 2014-11-05 | 阜阳市金木工艺品有限公司 | Flow perturbation formula timber pickling device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014753A (en) * | 2015-07-14 | 2015-11-04 | 王伟宏 | Fast-growing wood flame-retardant laminated plate and production method thereof |
| CN105500481A (en) * | 2015-12-13 | 2016-04-20 | 徐建立 | Wood-bamboo immersion treatment system |
| CN105563580A (en) * | 2015-12-24 | 2016-05-11 | 安吉汉洲生物科技有限公司 | Bamboo and wood corrosion and mould prevention process |
| CN110961165A (en) * | 2018-09-29 | 2020-04-07 | 中国石油化工股份有限公司 | Catalyst dipping and drying integrated device and method and application thereof |
| CN110961166A (en) * | 2018-09-30 | 2020-04-07 | 中国石油化工股份有限公司 | Catalyst impregnation apparatus and method |
| CN110961166B (en) * | 2018-09-30 | 2022-11-18 | 中国石油化工股份有限公司 | Catalyst impregnation apparatus and method |
| CN114323202A (en) * | 2022-03-10 | 2022-04-12 | 北京理工大学 | Detection apparatus for pipe flooding liquid level |
| CN114323202B (en) * | 2022-03-10 | 2022-05-10 | 北京理工大学 | Detection apparatus for pipe flooding liquid level |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103963126B (en) | 2015-10-28 |
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| CB02 | Change of applicant information |
Address after: Lishui District of Nanjing City, Jiangsu province 211219 Honglan Town Industrial Zone Five Peak Road No. 2 Applicant after: Nanjing Forestry University Address before: Nanjing City, Jiangsu province 210037 Longpan Road No. 159 Applicant before: Nanjing Forestry University |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140806 Assignee: FUYANG JINMU ARTS & CRAFTS Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000370 Denomination of invention: Airflow disturbance type timber dipping device and timber dipping method Granted publication date: 20151028 License type: Common License Record date: 20191217 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231120 Address after: No. 68 Xingye Road, Yingdong Economic Development Zone, Fuyang City, Anhui Province, 236000 Patentee after: FUYANG JINMU ARTS & CRAFTS Co.,Ltd. Address before: No. 2 Wufengshan Road, Industrial Concentration Zone, Honglan Town, Lishui District, Nanjing City, Jiangsu Province, 211219 Patentee before: NANJING FORESTRY University |