CN110904904A - Low-temperature plasma treatment equipment for rubber residues on airport runways - Google Patents
Low-temperature plasma treatment equipment for rubber residues on airport runways Download PDFInfo
- Publication number
- CN110904904A CN110904904A CN201911410323.7A CN201911410323A CN110904904A CN 110904904 A CN110904904 A CN 110904904A CN 201911410323 A CN201911410323 A CN 201911410323A CN 110904904 A CN110904904 A CN 110904904A
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- Prior art keywords
- plasma
- gas
- low
- temperature plasma
- rubber
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
Abstract
The invention provides low-temperature plasma treatment equipment for rubber residues on an airport runway. Comprises a plasma generating device, an air source device and a cluster spray gun; the plasma generating device is used for ionizing the working gas into plasma and comprises a radio frequency power supply and an electrode group connected with the radio frequency power supply, the electrode group is arranged in a vacuum chamber, the vacuum chamber is provided with a gas inlet and a gas outlet, and the gas inlet is connected with an outlet of the gas source device through a gas pipe; the plasma generating device also comprises a power supply module, wherein the power supply module comprises a step-up transformer and a power line; the cluster spray gun is used for collecting the plasma and then spraying out, and is connected with the air outlet of the plasma generating device through a metal hose. The method does not cause any damage to the road surface, and does not have toxic and harmful substances polluting the environment in the treatment process.
Description
Technical Field
The invention relates to low-temperature plasma treatment equipment for rubber residues on an airport runway.
Background
The friction force of the runway is obviously reduced especially under the wet state of the runway, and the safe landing of the airplane is directly influenced, therefore, the runway needs to be cleaned at irregular intervals, and the friction coefficient of the surface of the runway is ensured not to be lower than 0.5, so that the accident can be avoided.
In the prior art, methods for cleaning rubber residues generally comprise methods such as high-pressure water washing, steel brush cleaning, scraping after heating of a resistance wire, chemical product cleaning and the like, wherein mechanical methods such as high-pressure water washing, steel brush cleaning and the like have large damage to a road surface; the scraping method after heating by the resistance wire has low efficiency and produces harmful gas after heating; the chemical method has high unit area cost and chemical articles are not environment-friendly, and the pavement can be damaged after long-term use.
Disclosure of Invention
The invention provides low-temperature plasma treatment equipment for rubber residues on airport runways, which aims to solve the technical problems that the rubber residues on the airport runways are difficult to clean, the surfaces of the runways are damaged and harmful gases are generated.
The technical scheme of the invention is realized as follows: the low-temperature plasma treatment equipment for the rubber residue on the airport runway comprises a plasma generating device, an air source device and a cluster spray gun;
the gas source device is used for quantitatively supplying working gas into the plasma generating device and comprises a gas tank for containing the working gas, a safety valve and a metering valve;
the plasma generating device is used for ionizing working gas into plasma and comprises a radio frequency power supply and an electrode group connected with the radio frequency power supply, the electrode group is arranged in a vacuum chamber, the vacuum chamber is provided with a gas inlet and a gas outlet, and the gas inlet is connected with an outlet of the gas source device through a gas pipe; the plasma generating device also comprises a power supply module, wherein the power supply module comprises a step-up transformer and a power line;
and the cluster spray gun is used for collecting the plasma and then spraying out, and is connected with the air outlet of the plasma generating device through a metal hose.
On the basis of the scheme, the plasma collecting device is further improved in the following manner that a magnetic field for collecting plasmas is arranged in the cluster spray gun.
On the basis of the scheme, the power density of the plasma generation device is further improved to be 1500W/cm as follows.
On the basis of the scheme, the low-temperature plasma treatment equipment for the rubber residues on the airfield runway is further improved to comprise a rack, rollers are arranged on the lower portion of the rack, the plasma generation device, the air source device and the cluster spray gun are arranged on the rack, and the cluster spray gun is vertically arranged downwards.
On the basis of the scheme, the height of the spray head of the cluster spray gun to the ground is further improved to be 2-5 mm.
On the basis of the scheme, the device is further improved in that a driving mechanism for driving the roller to move and a control device for controlling the driving mechanism to act are arranged on the rack.
On the basis of the scheme, the low-temperature plasma treatment equipment for the rubber residue on the airfield runway is further improved to comprise a self-driven trolley, and the rack is fixed on the self-driven trolley.
On the basis of the scheme, the self-driven trolley is further improved in the following way, wherein a cab is arranged on the self-driven trolley, and an operation steering wheel, a speed regulation component and a seat are arranged in the cab.
On the basis of the scheme, the device is further improved as follows, and the rack is provided with a hand-push frame to conveniently push the rack to move.
On the basis of the scheme, the oxygen content in the air tank is further improved to be 40-100%.
By adopting the technical scheme, the invention has the beneficial effects that: compared with the prior art, the rubber residue is treated by adopting the plasma technology, so that the road surface is not damaged, toxic and harmful substances polluting the environment are not generated in the treatment process, and the treated products are carbon dioxide and water, so that the method is environment-friendly.
Further, the trolley and self-propelled trolley approach allows the treatment process to be as convenient and fast as weeding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment 1 of the low-temperature plasma treatment apparatus for airport runway rubber residue according to the present invention;
FIG. 2 is a schematic diagram of the operation of the cluster gun;
FIG. 3 is a schematic structural view of an airport runway rubber residue low-temperature plasma processing apparatus in accordance with embodiment 2;
FIG. 4 is a schematic structural view of an airport runway rubber residue low-temperature plasma processing apparatus in accordance with embodiment 3;
FIG. 5 is an axial view of the spray head;
in the figure: 1-a plasma generating device, 2-an air source device, 3-a cluster spray gun, 31-a spray head, 4-an air pipe, 5-a metal hose, 6-a power line, 7-a plug, 8-a roller, 9-a hand push rod and 10-a handle; 20-vehicle frame, 30-seat, 40-steering wheel, 50-hand-push frame, 60-rubber residue, 70-road surface, 80-plasma, 90-electric push rod and 100-connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The gas source device 2 is used for quantitatively supplying working gas into the plasma generating device 1 and comprises a gas tank for containing the working gas, a safety valve, a pressure gauge and a metering valve, wherein the working gas in the gas tank is special gas, and the oxygen content is not lower than 40%. The pressure gauge is used for displaying the gas pressure in the gas tank, and the safety valve plays a role in safe pressure relief. The metering valve is used to quantitatively and at a constant rate release the working gas to the plasma generating apparatus 1 as required.
The plasma generating device 1 is used for ionizing working gas into plasma, and comprises a radio frequency power supply and an electrode group connected with the radio frequency power supply, wherein the electrode group is arranged in a vacuum chamber, the vacuum chamber is provided with a gas inlet and a gas outlet, and the gas inlet is connected with an outlet of a gas source device 2 through a gas pipe 4; plasma generating device 1 still includes power module, and power module includes step up transformer and power cord 6, and 6 tip on the power cord are equipped with three-headed plug 7 for be connected with the electricity for life, step up transformer then is used for improving the purpose of electric field voltage according to the required energy of electric power.
The cluster spray gun 3 is used for collecting and spraying out the plasma, and the cluster spray gun 3 is connected with the air outlet of the plasma generating device 1 through a metal hose 5. A magnetic field for converging the plasma is arranged in the bundling spray gun 3. When charged particles in the plasma move, positive charges or negative charges can be locally concentrated to generate an electric field; the charge directional movement causes current to generate a magnetic field, and the electric field and the magnetic field influence the movement of other charged particles and are accompanied by extremely strong heat radiation and heat conduction; the plasma can be constrained by the magnetic field to make a cyclotron motion. Because the plasma can be influenced by the magnetic field to change the position, the dispersed plasma can be converged together and ejected by the principle of magnetic convergence, thereby improving the density of the plasma and improving the treatment efficiency.
As shown in fig. 5, the spray head 31 of the cluster spray gun 3 is a rectangular outlet, and in this embodiment, a spray head of 80mm by 80mm is selected, which has a large coverage area and significantly improves the treatment efficiency, and in other embodiments, the size and shape of the spray head 31 may be changed according to actual needs, for example, the size may be changed to 70mm by 70 mm.
In the device, the most central part is a plasma generator, and the working principle is that a large amount of plasma is instantaneously generated to act on the plastic on the surface of the runway, and the plastic molecules are oxidized and cracked by the plasma to be separated from the surface of the runway.
The principle of lysis: the device supplies oxygen and electric energy, oxygen molecules are gradually discharged from an initial insulation state and broken down, the molecular structure of the oxygen is damaged, chemical bonds are broken, a large number of oxygen radicals are generated, if energy is continuously supplied, plasma mixed by oxygen atoms, the oxygen radicals and high-energy electrons can be formed, the device has very strong oxidizing capacity, organic matters can be oxidized to generate carbon dioxide and water, rubber is high-molecular polymer and is organic matters composed of hydrocarbon compounds, and the rubber is easily oxidized by oxygen ions to generate oxidation reaction.
With respect to oxygen radicals: an oxygen ring has eight electrons around it, and if one electron is less, one electron in the remaining seven electrons becomes "unpaired", resulting in an unstable state of the oxygen-containing molecule, which is an oxygen radical.
In order to seek a stable state, oxygen radicals take electrons from other atoms or molecules and stabilize themselves, and thus have very strong oxidizing properties.
In the embodiment, the power density of the plasma generation device 1 is 300 & lt 1500 & gt/W & gt. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway comprises a rack, wherein the lower part of the rack is provided with a roller 8, the plasma generation device 1, the air source device 2 and the cluster spray gun 3 are arranged on the rack, and the cluster spray gun 3 is vertically arranged downwards. The height of the spray head of the cluster spray gun 3 from the ground is 2-5 mm.
When in use: the air source device 2 and the plasma generating device 1 are powered on, the flow of the air source device 2 is adjusted, a switch of the plasma generating device 1 is turned on, working gas forms plasma after passing through the plasma generating device 1, the plasma is converged in the cluster spray gun 3 and then sprayed out from a spray head, as shown in figure 2, the cluster spray gun 3 is held by a hand to be processed at a position 2-5mm above a rubber track, white substances which are cracked products can be observed to be gradually formed on the residual surface of rubber, of course, the cluster spray gun 3 can also be arranged on a movable frame, the spray head 31 is arranged downwards, the distance from the ground is also 2-5mm, and the frame is moved to be processed.
In addition, in order to adjust the height of the spray heads from the ground according to different road surfaces, the cluster spray guns 3 are movably assembled on the trolley, the electric push rods 90 drive the cluster spray guns to adjust the positions up and down, and in order to achieve the purpose of adjusting the plurality of cluster spray guns 3 simultaneously, the electric push rods 90 drive the plurality of cluster spray guns 3 to adjust the positions up and down simultaneously, so that the plurality of cluster spray guns 3 can be fixed on the connecting plate 100, and the electric push rods 90 drive the connecting plate 100 to move up and down.
In other embodiments: the electric push rod 90 can also be replaced by a driving mechanism capable of linearly reciprocating, such as a screw nut mechanism, a hydraulic mechanism, a linear motor, and the like.
When in use: the plasma generating device 1 and the air source device 2 are respectively connected with a power supply, the power supply line 6 can be a power supply line 6 which is similar to a dust collector and can be automatically contracted and expanded, after the power supply is connected and the power supply is started, an operator drives the trolley to move through the pushing frame 50, two rows of cluster spray guns 3 are arranged as shown in the drawing, and only one or more cluster spray guns 3 can be replaced, and when a plurality of cluster spray guns 3 are arranged, the arrangement mode can adopt a mode of uniform distribution in the direction vertical to the moving direction according to the moving direction, so that the coverage width of each moving is improved, and the treatment efficiency is improved.
When in use: only the gas source device 2 and the plasma generating device 1 are needed to be opened, and the self-driven trolley is started to slowly advance at a set speed when the cluster spray gun 3 sprays plasma downwards.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway is characterized by comprising a plasma generating device, an air source device and a cluster spray gun;
the gas source device is used for quantitatively supplying working gas into the plasma generating device and comprises a gas tank for containing the working gas, a safety valve and a metering valve;
the plasma generating device is used for ionizing working gas into plasma and comprises a radio frequency power supply and an electrode group connected with the radio frequency power supply, the electrode group is arranged in a vacuum chamber, the vacuum chamber is provided with a gas inlet and a gas outlet, and the gas inlet is connected with an outlet of the gas source device through a gas pipe; the plasma generating device also comprises a power supply module, wherein the power supply module comprises a step-up transformer and a power line;
and the cluster spray gun is used for collecting the plasma and then spraying out, and is connected with the air outlet of the plasma generating device through a metal hose.
2. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway according to claim 1, wherein a magnetic field for converging the plasma is arranged in the bundling torch.
3. The airport runway rubber residue low-temperature plasma processing apparatus according to claim 1, characterized in that the power density of the plasma generating device is 1500W/> 300.
4. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway according to any one of claims 1 to 3, wherein the low-temperature plasma treatment equipment for the rubber residues on the airfield runway comprises a frame, rollers are arranged on the lower part of the frame, the plasma generation device, the gas source device and the cluster spray gun are arranged on the frame, and the cluster spray gun is arranged vertically downwards.
5. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway according to claim 4, wherein the height of the spray head of the cluster spray gun from the ground is 2-5 mm.
6. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway according to claim 5, wherein a driving mechanism for driving the rollers to move and a control device for controlling the driving mechanism are arranged on the frame.
7. The airport runway rubber residue low temperature plasma processing apparatus of claim 7, wherein the airport runway rubber residue low temperature plasma processing apparatus comprises a self-driven trolley to which the frame is fixed.
8. The low-temperature plasma treatment equipment for the rubber residues on the airfield runway according to claim 8, wherein a cab is arranged on the self-driven trolley, and a control steering wheel, a speed regulation part and a seat are arranged in the cab.
9. The airport runway rubber residue cryogenic plasma processing apparatus of claim 5 wherein the rack upper hand truck facilitates the movement of the pushing rack.
10. The airport runway rubber residue low temperature plasma processing apparatus of any of claims 1-3, wherein the oxygen content in the gas tank is 40% -100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410323.7A CN110904904A (en) | 2019-12-31 | 2019-12-31 | Low-temperature plasma treatment equipment for rubber residues on airport runways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410323.7A CN110904904A (en) | 2019-12-31 | 2019-12-31 | Low-temperature plasma treatment equipment for rubber residues on airport runways |
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| Publication Number | Publication Date |
|---|---|
| CN110904904A true CN110904904A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911410323.7A Pending CN110904904A (en) | 2019-12-31 | 2019-12-31 | Low-temperature plasma treatment equipment for rubber residues on airport runways |
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| CN (1) | CN110904904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106903A (en) * | 2021-02-24 | 2021-07-13 | 林强 | Airport runway plasma removes and glues equipment |
-
2019
- 2019-12-31 CN CN201911410323.7A patent/CN110904904A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106903A (en) * | 2021-02-24 | 2021-07-13 | 林强 | Airport runway plasma removes and glues equipment |
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