CN201279366Y - Dielectric barrier discharge wood-based panel formaldehyde removing device - Google Patents
Dielectric barrier discharge wood-based panel formaldehyde removing device Download PDFInfo
- Publication number
- CN201279366Y CN201279366Y CNU2008200389185U CN200820038918U CN201279366Y CN 201279366 Y CN201279366 Y CN 201279366Y CN U2008200389185 U CNU2008200389185 U CN U2008200389185U CN 200820038918 U CN200820038918 U CN 200820038918U CN 201279366 Y CN201279366 Y CN 201279366Y
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- dielectric barrier
- barrier discharge
- wood
- based plate
- artificial board
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- Expired - Fee Related
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Abstract
The utility relates to a device for stripping free formaldehyde in an artificial board using dielectric barrier discharge. The technical proposal of the utility model is as follows: a conveying mechanism for conveying the artificial board is positioned on a frame; a dielectric barrier discharger for releasing the discharging dielectric is positioned above the conveying mechanism, which is arranged along the conveying direction of the artificial board; the conveying mechanism is connected with a drive mechanism for driving the conveying mechanism; and the dielectric barrier discharger is connected with a high-frequency and high-voltage power supply. The utility model is capable of running under normal pressure and normal temperature, and has the advantages of good formaldehyde stripping effect, energy saving and environmental protection.
Description
Technical field
The utility model relates to a kind of dielectric barrier discharge that utilizes and realizes the device that free state formaldehyde removes in the wood-based plate.
Background technology
In numerous indoor pollutants of countries in the world, formaldehyde is wide with its source, toxicity is big, the pollution time grows up to is one of main indoor pollutant, be Cure of Sick Building Syndrome (Sick Building Syndrome, SBS) one of clear and definite hazards, and wood-base fibre and particle panel material material and products thereof is the main source of formaldehyde in indoor air.Calendar year 2001, China puts into effect environment compulsory standard GB18580-2001 regulation, and indoor decorating must reach E with the burst size of methanal of wood-based plate and goods (comprising floor, wallboard etc.) thereof
1Level (≤0.12mg/m
3, the climate box method).
At present the common practice that removes of free state formaldehyde can be divided into and improves adhesive, improves three kinds of mask-making technology and post processings in the artificial board.Wherein preceding two kinds of method researchers are more, but all can improve manufacturing cost greatly, and the heat pressing process when needing accurately to adjust making sheet, are difficult to large-scale promotion and application.In the post-processed of wood-based plate, negative pressure of vacuum method, ammonia inhale that to use uniting of aldehyde method and both be only post-processing approach in the present open source information, and wherein the negative pressure of vacuum method is too high to the seal request of equipment, and the secondary pollution problem of the ammonia that ammonia suction aldehyde method is brought is difficult to overcome.
Summary of the invention
The dielectric barrier discharge artificial board formaldehyde that the utility model purpose provides and a kind ofly can move under normal pressure and temperature, the formaldehyde removal effect is good, energy consumption is low, environmental-protecting performance is superior removes device.
The utility model for achieving the above object, adopt following technical scheme: the conveying mechanism that on framework, is provided for transporting wood-based plate, above conveying mechanism, be provided for discharging the dielectric barrier discharge of discharge medium, and described dielectric barrier discharge is along the throughput direction setting of wood-based plate, described conveying mechanism is connected with the driving mechanism that is used to drive the conveying mechanism action, and described dielectric barrier discharge is connected with high-frequency and high-voltage power supply.
Case is set on framework, and described dielectric barrier discharge is positioned at case.On framework, also be provided with supply air system.In a side of framework the import of wood-based plate is set, the outlet of wood-based plate is set at the opposite side of framework.In import and exit the thickness of slab adjusting device is set respectively; Described thickness of slab adjusting device comprises fixed mount arranged in pairs and adjustable shelf, on fixed mount and adjustable shelf the roller that can contact with wood-based plate is set respectively.
Described conveying mechanism comprises that several are parallel to each other is used to carry and drive the roller bearing that wood-based plate moves, and in the end of described roller bearing drive is set, and described drive utilizes driving-belt to be connected with motor in the transmission mechanism.In described supply air system, the air outlet of fan utilizes lead to connect the wind speed adjuster on fan facing to the walking path of wood-based plate.In a side of framework the input mechanism of wood-based plate is set, the output mechanism of wood-based plate is set at the opposite side of framework; Described input mechanism and output mechanism comprise respectively that several are parallel to each other is used to carry and drive the roller bearing that wood-based plate moves.
Reasonablely be: removing of the formaldehyde in the above-mentioned artificial board is to utilize the dielectric barrier discharge technology to realize.Dielectric barrier discharge formaldehyde removes device and moves under 1 atmospheric pressure, and can at room temperature work.The flow velocity of said fans is adjustable, can adapt to the different plates characteristic.
The utility model is after artificial board enters formaldehyde and removes device case, utilize low temperature plasmas such as a large amount of high energy that dielectric barrier discharge produces, highly active ion, free radical, impel the molecular scission of free state formaldehyde to carry out fast, and finally generate carbon dioxide and steam enters environment, reach the purpose that removes to free state formaldehyde.The mixing speed adjustable fan can be regulated air mass flow according to the characteristic of different artificial boards, reaches the characteristics that efficiently remove formaldehyde and low energy consumption.
The utility model adopts technique scheme, compared with prior art has following advantage:
1, the utility model employing medium blocking-discharge method removes the free state formaldehyde in the artificial board, can under normal temperature and normal pressure, carry out, overcome the high defective of negative-pressure vacuum method seal request, avoid the adhesive property under the artificial board high temperature to worsen, brought into play low energy consumption and high efficiency advantage that low temperature plasma removes tame formaldehyde simultaneously.
2, the air quantity of fan in the utility model is adjustable, avoided the energy dissipation phenomenon of this device in the process of the artificial board of handling different-thickness, different densities and unlike material, both guaranteed that the effect that removes formaldehyde reaches standard, had improved the power efficieney of this device again.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is elaborated:
The utility model comprises that transportation roll row 1, thickness of slab adjusting device 2, high-frequency and high-voltage power supply 3, dielectric barrier discharge 4, wind speed adjuster 5, fan 6, processed artificial board 7, driving belt 8, motor 9, formaldehyde remove device case 10, processed artificial board 7 enters from housing 10 left ends by transporting roll row 1, removes formaldehyde under dielectric barrier discharge 4 effects in housing 10; Dielectric barrier discharge 4 and mixing fan 6 are arranged on housing 10 first halves, make that the free state formaldehyde in the artificial board 7 is fully reacted; Motor 9 and transmission belt 8 are arranged on housing 10 belows, the continuous disposal ability in the actual use of assurance device; Described thickness of slab adjusting device 2, high-frequency and high-voltage power supply 3, dielectric barrier discharge 4, wind speed adjuster 5 and fan 6 all are fixed on the housing 10.
As shown in Figure 1: the conveying mechanism that on framework, is provided for transporting wood-based plate 7, above conveying mechanism, be provided for discharging the dielectric barrier discharge 4 of discharge medium, and described dielectric barrier discharge 4 is along the throughput direction setting of wood-based plate 7, described conveying mechanism is connected with the driving mechanism that is used to drive the conveying mechanism action, and described dielectric barrier discharge 4 is connected with high-frequency and high-voltage power supply 3.
Described conveying mechanism comprises that several are parallel to each other is used to carry and drive the roller bearing that wood-based plate 7 moves, and in the end of described roller bearing drive is set, and described drive utilizes driving-belt 8 to be connected with motor 9 in the transmission mechanism.In described supply air system, the air outlet of fan 6 utilizes lead to connect wind speed adjuster 5 on fan 6 facing to the walking path of wood-based plate 7.In a side of framework the input mechanism 1 of wood-based plate 7 is set, the output mechanism of wood-based plate 7 is set at the opposite side of framework; Described input mechanism 1 and output mechanism comprise respectively that several are parallel to each other is used to carry and drive the roller bearing that wood-based plate 7 moves.
Above-mentioned formaldehyde removes device and utilizes the dielectric barrier discharge technology to realize.Above-mentioned dielectric barrier discharge formaldehyde removes device and moves under 1 atmospheric pressure.Above-mentioned dielectric barrier discharge formaldehyde removes device and at room temperature moves.The flow velocity of said fans is adjustable, can adapt to the different plates characteristic.
Described fan 6 is used for the air in the mixing case, and the low temperature plasma that dielectric barrier discharge 4 is produced fully contacts with the formaldehyde on wood-based plate 7 surfaces.
The course of work of the present utility model is as follows: the artificial board after the hot pressing enters formaldehyde from housing 10 left ends and removes device under the effect that transports roll row 1, dielectric barrier discharge 4 produces discharge medium (as high energy high activity low temperature plasma) under high-frequency alternating current 3 effects of 10kV～50kV, fully reacted 20～30 minutes with the free state formaldehyde in the artificial board 7, then under the effect that transports roll row 1, from the right side output of housing 10, follow-up sheet material continues to enter from housing 10 left sides simultaneously.
Claims (8)
1, a kind of dielectric barrier discharge artificial board formaldehyde removes device, it is characterized in that: the conveying mechanism that on framework, is provided for transporting wood-based plate (7), above conveying mechanism, be provided for discharging the dielectric barrier discharge (4) of discharge medium, and described dielectric barrier discharge (4) is along the throughput direction setting of wood-based plate (7), described conveying mechanism is connected with the driving mechanism that is used to drive the conveying mechanism action, and described dielectric barrier discharge (4) is connected with high-frequency and high-voltage power supply (3).
2, dielectric barrier discharge artificial board formaldehyde as claimed in claim 1 removes device, it is characterized in that: case (10) is set on framework, and described dielectric barrier discharge (4) is positioned at case (10).
3, dielectric barrier discharge artificial board formaldehyde as claimed in claim 1 removes device, it is characterized in that: also be provided with supply air system on framework.
4, remove device as claim 1 or 2 or 3 described dielectric barrier discharge artificial board formaldehydes, it is characterized in that: in a side of framework the import of wood-based plate (7) is set, the outlet of wood-based plate (7) is set at the opposite side of framework.
5, dielectric barrier discharge artificial board formaldehyde as claimed in claim 4 removes device, it is characterized in that: in import and exit thickness of slab adjusting device (2) is set respectively; Described thickness of slab adjusting device (2) comprises fixed mount arranged in pairs and adjustable shelf, on fixed mount and adjustable shelf the roller that can contact with wood-based plate (7) is set respectively.
6, dielectric barrier discharge artificial board formaldehyde as claimed in claim 1 removes device, it is characterized in that: described conveying mechanism comprises several are parallel to each other be used for carrying and drive the roller bearing that wood-based plate (7) moves, end at described roller bearing is provided with drive, and described drive utilizes driving-belt (8) to be connected with motor (9) in the transmission mechanism.
7, dielectric barrier discharge artificial board formaldehyde as claimed in claim 3 removes device, it is characterized in that: in described supply air system, the air outlet of fan (6) utilizes lead to connect wind speed adjuster (5) on fan (6) facing to the walking path of wood-based plate (7).
8, dielectric barrier discharge artificial board formaldehyde as claimed in claim 1 removes device, it is characterized in that: in a side of framework the input mechanism (1) of wood-based plate (7) is set, the output mechanism of wood-based plate (7) is set at the opposite side of framework; Described input mechanism (1) and output mechanism comprise several are parallel to each other be used for carrying and drive the roller bearing that wood-based plate (7) moves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389185U CN201279366Y (en) | 2008-07-29 | 2008-07-29 | Dielectric barrier discharge wood-based panel formaldehyde removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389185U CN201279366Y (en) | 2008-07-29 | 2008-07-29 | Dielectric barrier discharge wood-based panel formaldehyde removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201279366Y true CN201279366Y (en) | 2009-07-29 |
Family
ID=40926254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200389185U Expired - Fee Related CN201279366Y (en) | 2008-07-29 | 2008-07-29 | Dielectric barrier discharge wood-based panel formaldehyde removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201279366Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704264B (en) * | 2009-11-06 | 2011-11-16 | 南京林业大学 | Method for reducing formaldehyde emission of wood-based panel through vacuum-cold-plasma processing |
| CN104441174A (en) * | 2014-11-17 | 2015-03-25 | 东南大学 | Novel removal device for VOCs in building boards |
| CN106064417A (en) * | 2016-07-28 | 2016-11-02 | 东南大学 | VOCs removing means in a kind of sheet material |
| CN106078988A (en) * | 2016-08-02 | 2016-11-09 | 长沙源韵机械科技有限责任公司 | Accelerate the voltage pulse electric field processing device of the internal Form aldehyde release of artificial wooden sheet material |
| CN106272836A (en) * | 2016-08-02 | 2017-01-04 | 长沙源韵机械科技有限责任公司 | A kind of process technique accelerating the internal Form aldehyde release of artificial wooden sheet material |
| CN110115918A (en) * | 2019-06-11 | 2019-08-13 | 中国船舶重工集团公司第七二五研究所 | A kind of device and its application method removing glued board formaldehyde |
-
2008
- 2008-07-29 CN CNU2008200389185U patent/CN201279366Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704264B (en) * | 2009-11-06 | 2011-11-16 | 南京林业大学 | Method for reducing formaldehyde emission of wood-based panel through vacuum-cold-plasma processing |
| CN104441174A (en) * | 2014-11-17 | 2015-03-25 | 东南大学 | Novel removal device for VOCs in building boards |
| CN106064417A (en) * | 2016-07-28 | 2016-11-02 | 东南大学 | VOCs removing means in a kind of sheet material |
| CN106078988A (en) * | 2016-08-02 | 2016-11-09 | 长沙源韵机械科技有限责任公司 | Accelerate the voltage pulse electric field processing device of the internal Form aldehyde release of artificial wooden sheet material |
| CN106272836A (en) * | 2016-08-02 | 2017-01-04 | 长沙源韵机械科技有限责任公司 | A kind of process technique accelerating the internal Form aldehyde release of artificial wooden sheet material |
| CN106078988B (en) * | 2016-08-02 | 2017-09-15 | 长沙源韵机械科技有限责任公司 | Accelerate the voltage pulse electric field processing device of Form aldehyde release inside artificial wooden sheet material |
| CN110115918A (en) * | 2019-06-11 | 2019-08-13 | 中国船舶重工集团公司第七二五研究所 | A kind of device and its application method removing glued board formaldehyde |
| CN110115918B (en) * | 2019-06-11 | 2021-09-21 | 中国船舶重工集团公司第七二五研究所 | Device for removing formaldehyde from plywood and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20100729 |