CN104071240A - Highway tunnel air purifying car and purifying method thereof - Google Patents
Highway tunnel air purifying car and purifying method thereof Download PDFInfo
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- CN104071240A CN104071240A CN201410228208.9A CN201410228208A CN104071240A CN 104071240 A CN104071240 A CN 104071240A CN 201410228208 A CN201410228208 A CN 201410228208A CN 104071240 A CN104071240 A CN 104071240A
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Abstract
The invention discloses a highway tunnel air purifying car. The highway tunnel air purifying car comprises a tractor, a semi-trailer carriage hung with the tail of the tractor, an electric dust remover and an oxidizer and a denitrator arranged in the semi-trailer carriage in sequence, an exhaust cover arranged in a gas inlet and provided with a first working station for closing the gas inlet and a second working station for opening the gas inlet, and an automatic control system for automatically controlling the exhaust cover to be switched between the two working stations and controlling the opening and the closing of the electric dust remover, the oxidizer and the denitrator. An original manner of fixedly mounting air purifying equipment in a tunnel bypass or ceiling is changed to a manner of carrying the air purifying equipment on the car for movably collecting particles (PM), oxidizing nitrogen monoxide (NO) and absorbing nitrogen dioxide (NO2), so that power equipment-a fan certainly needed by an ordinary air purifying system is saved, the construction of the highway tunnel bypass and a ceiling wind way is not increased, and the investment of such fixed costs as earthwork construction and installation of ventilation equipment is largely reduced.
Description
Technical field
The invention belongs to environment-friendly type air purification plant field, be specially a kind of traffic tunnel air purifying vehicle and purification method thereof.
Background technology
Along with the development in city and the continuous increase of traffic demand amount, unprecedented road construction causes the quantity of highway tunnel and length to be sharp increase situation.As the artificial space of relative closure, tunnel exists inner air and outer air exchange and is difficult for, the problems such as low visibility and noise and vibration, and traffic accident takes place frequently.
In tunnel, airborne pollutant mainly come from the dust producing in automotive emission thing and driving process.Auto emission tail gas comprises the objectionable impurities such as particulate matter (PM), oxides of nitrogen (NOx).Particulate matter (PM) in tunnel air pollutant is the product of non-complete combustion of fuel, mainly from diesel-powered vehicle, can cause the chromosome aberration of blood lymphocyte, corpuscle (PM10, PM2.5) can go deep into lung respiratory system is caused to serious harm, particulate matter (PM) still affects the key factor of visbility in tunnel, directly the vision of chaufeur is debated to know and cause obstacle, and may cause operational vehicle generation safety misadventure.The composition of the oxides of nitrogen (NOx) in tunnel air pollutant is mainly nitrogen monoxide (NO), accounts for 95%, is secondly nitrogen dioxide (NO
2), account for 5%.Nitrogen monoxide (NO) is a kind of gas of colorless and odorless, only has slight pungency, toxicity is little, can cause nervous centralis to have slight obstacle when high concentration, but nitrogen monoxide (NO) can be oxidized to the nitrogen dioxide (NO that toxicity is larger
2) and other oxides of nitrogen.To human body and tunnel air environmental concerns maximum is nitrogen dioxide (NO
2), NO
2be a kind of noxious gas of rufous strong and stimulating, respiratory tract is had to strong impulse effect, suck after human body, hemoprotein Hb is combined in blood, and blood oxygen carrying capacity is declined, and can damage the organs such as heart, liver, kidney, very large on human body impact, meanwhile, and NO
2still produce acid rain, Los Angelos smog and cause climate change, produce the major cause of smog.
Because tunnel is hemi-closure space, along with the increase of length, hole inner air and outer air exchanges not in time, the existence of particulate matter (PM) and oxides of nitrogen (NOx) easily causes air quality in hole to decline, have a strong impact on the environment in tunnel, driver and crew in tunnel and ventilating shaft discharge side periphery resident healthy caused to serious threat.A large amount of highway tunnel construction makes us be faced with very severe tunnel air pollution problem, and the particulate matter in tunnel air pollutant and oxides of nitrogen (NOx) are administered very urgent.
At present, more and more for research and the application of tunnel air pollution control both at home and abroad, be technological core mainly with ventilation and exhaust purification, wherein tunnel ventilation is to adopt the outside method of introducing fresh air from tunnel, pollutants is carried out to physical dilution, and exhaust purification is by introducing functional attached purification plant, remove the airborne pollutant in tunnel, alleviate the impact of tunnel exhaust on the outer air environment of Tunnel.
Tunnel ventilation mode is divided into natural ventilation and mechanical ventilation.Natural ventilation is a kind of ventilation type of by the piston action of driving vehicle, fresh air being brought into tunnel dilution objectionable impurities, and little when the magnitude of traffic flow, more in short-term, tunnel adopts natural ventilation to meet the demands to length of tunnel.Mechanical ventilation is generally divided into transverse ventilation, semi-transverse ventilation and longitudinal ventilation mode, and when the magnitude of traffic flow is larger, when length of tunnel is longer, tunnel generally adopts mechanical ventilation mode.Tunnel ventilation generally adopts winds aloft tower or surface wind tower group, the mode exchanging by gas reduces air pollutant concentration in tunnel, but purify owing to not adding side line in long tunnel inside, after the pollutants high-altitude diffusion of discharging, can cause regional pollution, jeopardize the healthy of wind tower periphery resident, in addition, build winds aloft tower and surrounding landscape in inner city and be difficult to coordinate, destructible city look and feel.
Exhaust purification is at present domestic and international the most frequently used tunnel air improvement technology, mainly concentrates on tunnel dedusting and NO
2in the exploitation of purification techniques and application.But tunnel air purification plant need to be arranged in tunnel with by-pass type, ceiling mounting type, vertical shaft type.In bypass is installed, the air polluting is passed through to the sickle-shaped equipment of a crescent moon tunnel by force, air-flow recharges after purifying, reduce resh air requirement demand, and there are enough space mounting gas processing assemblies, when maintaining, do not affect main channel wagon flow, in the situation such as catch fire, can continue 30 minutes smog of absorption by high efficiency.When objective condition does not allow to build side line and large-scale air purification apparatus chamber, purification plant is set at tunnel top, the method all has application in the tunnels such as Norway Hell, Nygards and Japanese Tokyo Bay.In vertical shaft type is installed, air is processed backward upper vertical shaft through the purifying station of level and is discharged, and can reduce fan energy consumption and the impact on exhaust outlet view, and the Festnings tunnel of Norway and M30 tunnel, Madrid are adopted in this way.
The construction of existing tunnel air purifying process need to occupy the huge underground space, and the cost that not only tunnel civil engineering drops into is excessive, and operation and maintenance cost after air cleaning facility place in operation is also very huge.Therefore, control and the improvement technology of the applicable traffic tunnel air pollutants feature of exploitation have very real meaning.
Summary of the invention
The object of the invention is in order to solve the problems such as the ventilation time that existing traffic tunnel air purification techniques exists is long, equipment investment is large, operation cost is high, maintenance cost is many, be provided for that particulate matter (PM) in traffic tunnel air pollutants is collected, nitrogen monoxide (NO) is oxidized, nitrogen dioxide (NO
2) absorption a kind of traffic tunnel air purifying vehicle.
The present invention also provides a kind of traffic tunnel air purification method, and the method is implemented simple, does not need huge equipment investment, and maintenance and operation cost low.
A kind of traffic tunnel air purifying vehicle, comprising:
Air purification vehicle is provided to the tractor truck of power;
With the semitrailer compartment that the described tractor truck tailstock articulates, this semitrailer compartment is provided with the ventilation inlet that is positioned at front and the air outlet that is positioned at rear;
Be successively set on electric dust collector, oxidator and denitrator in semitrailer compartment, described electric dust collector is near ventilation inlet setting, and described denitrator is near air outlet setting; Air in tunnel enters successively electric dust collector, oxidator and denitrator and carries out air-pollution control;
Be arranged on the exhaust hood at described admission port place, this exhaust hood has the first working position of the described ventilation inlet of sealing and opens the second working position of ventilation inlet;
Autonomous cruise speed system, automatically controls exhaust hood and exchanges between two working positions, controls the switching of electric dust collector, oxidator and denitrator simultaneously.
Described semitrailer compartment can adopt split type or integral type, adopts split type dedusting compartment, oxidation compartment, denitration compartment to be set as required.Autonomous cruise speed system the automatic control having realized whole air purification vehicle is set.
As preferably, described exhaust hood comprises: two fan half door openings that are hinged on the ventilation inlet both sides of semitrailer compartment; Be hinged on the air baffle of the ventilation inlet top side of semitrailer compartment; The folding retractable plate that half door opening apical margin is connected with air baffle both sides; Described air baffle is hinged near a side and the described ventilation inlet top side of the traction tailstock, the first working position turning on opposite side has, and work as the second working position that the half-open closing of the door of two fans turns at present; Described half door opening and air baffle are realized rotation under the control of autonomous cruise speed system.Half door opening and air baffle are generally hinged by electric rotation shaft and semitrailer compartment, and electric rotation shaft generally drives by the motor that is controlled by autonomous cruise speed system.As preferably, air baffle is provided with the fixing socket of cable and fixes for the connected sum of connecting cable.By adjusting the aperture of half door opening and air baffle, can realize the size of exhaust hood ventilation inlet, thereby can realize the adjustment to air-treatment amount.For different tunnel sizes, the size of the suitable exhaust hood ventilation inlet of capable of regulating, to meet the demand of different occasions.
As the preferred technical scheme of another kind, described tractor truck is provided with draw-in groove near the top side of the tailstock, and the height of draw-in groove is lower than the height of the hinged side of air baffle, and in the time that air baffle is positioned at the second working position, a side of turning under it is overlapped in this draw-in groove.Air baffle both can have been realized the adjustment to intake, and meanwhile, at traffic tunnel air purifying vehicle, using when state, air baffle, in deployed condition, in increasing intake, carries out water conservancy diversion to the air stream entering.When traffic tunnel air purifying vehicle is during in non-working condition, air baffle bottom is connected in draw-in groove, and shape guide face in the slope has further reduced the resistance that air causes traffic tunnel air purifying vehicle.
Oxidator can adopt various structures, and as preferably, described oxidator comprises: both sides are with the oxidation framework of hollow out window; Be fixed on one or more fluid passages of oxidation framework, the two ends of this fluid passage are corresponding with the hollow out window of oxidation framework both sides respectively; Be arranged on the photocatalytic-oxidation formed material of fluid passage; Be fixed on one or more uviol lamps on oxidation framework, the ultraviolet light of exciting light catalytic oxidation material is provided; Be arranged on this admission port place, fluid passage carries out humidification damping device to air.
The multiple material with oxidization of nitric oxide (NO) of the optional use of described photocatalytic-oxidation formed material,
As preferably, described photocatalytic-oxidation formed material is photocatalyst, generally adopts area of contact large and with the ceramic loaded optic catalyst in space.Photocatalyst can be selected various existing catalyst, such as titanium dioxide etc.Photocatalyst oxidizes in the oxidized groove of nitrogen monoxide (NO) in tunnel air becomes nitrogen dioxide (NO
2) after enter into denitrator by hollow out window.After end of run, by repeated usage after oxidation trough extraction replacing photocatalyst.
As preferably, also comprise oxidator water pump control panel, oxidator water pump control panel is provided with connection jaws, compression indicator, humidity chart, water pump operation switch, water pump halt switch, pump power indicator lamp, water pump fault-indicating lamp.
Described damping device comprises: be arranged on the humidification framework at oxidation framework ventilation inlet place, humidification framework both sides are provided with hollow out window; Be fixed on the oxidator water storage tank of humidification framework and oxidator base of frame; Be fixed on humidification framework inside for air being carried out to one or more oxidator atomizers of humidification; Water transport in oxidator water storage tank is delivered to the oxidator water pump that oxidator atomizer is sprayed; Be arranged on the oxidator humidity sensor for detection of air humidity in humidification framework, oxidator humidity sensor, according to the moisture signal detecting, is controlled the operation of described oxidator water pump; The air of described electric dust collector dedusting, from enter oxidation framework after humidification in humidification framework, is finally discharged from the oxidation of oxidation framework.
The part water forming for the ease of reclaiming spraying, simultaneously, ensure oxidator water storage tank internal and external pressure balance, ensure carrying out smoothly of spraying, as preferably, described oxidator water storage tank top is provided with to the backflash of water tank bottom depression, and this backflash bottom is provided with the return port being communicated with water storage tank inner chamber.
As preferably, also comprise that oxidation compartment connects workstation.Described oxidation compartment connects workstation and is installed on the upper opening skylight place that is oxidized compartment, the one end that oxidation compartment is connected to workstation by connection rotating shaft is fixed on skylight one side, can rotate with connection rotating shaft, the other end of oxidation compartment connection workstation is provided with handle and is connected workstation with day sash lock for manually opened and fixing oxidation compartment, and connection workstation in oxidation compartment is connected with autonomous cruise speed system with oxidator water pump, oxidator connection box, electromechanical control cabinet by telescopic connecting cable.
As preferably, WeiVXing fluid passage, described fluid passage, each fluid passage is surrounded by oxidator fixed dam and the described oxidation framework of two V-types.Preferred as another kind, in described fluid passage, be provided with oxidation trough support and adopt drawer-type structure to be arranged on the oxidation trough in oxidation trough support; Described oxidation framework is provided with the drawer mouth corresponding with oxidation trough.Adopt the oxidation trough of drawer-type structure to facilitate the replacing of photocatalytic-oxidation formed material.
Described oxidation trough support comprises the vertical baffle plate that top and top, fluid passage are fixed and the box body framework interfixing with vertical baffle plate bottom, is provided with described oxidation trough in described box body framework; Air enters oxidation trough through box body base of frame and is oxidized under vertical baffle plate guide functions.
Denitrator can adopt various structures, as preferably, described denitrator comprises: both sides and middle respectively with humidification framework and the denitration framework of hollow out window, air by described electric dust collector dedusting and oxidator oxidation enters humidification framework from one of them hollow out window, enter denitration framework from middle hollow out window again, finally discharge from another one hollow out window; Be fixed on the denitrator water storage tank of humidification framework and denitrator base of frame; Be fixed on humidification framework inside for air being carried out to one or more nitrator atomizers of humidification; Water transport in denitrator water storage tank is delivered to the denitrator water pump that nitrator atomizer is sprayed; Be arranged on the denitrator humidity sensor for detection of air humidity in humidification framework, denitrator humidity sensor, according to the moisture signal detecting, is controlled the operation of described denitrator water pump; Be fixed on one or more fluid passages of denitration framework, the two ends of this fluid passage are corresponding with the hollow out window of denitration framework both sides respectively; Be arranged on the denitration sorbing material of fluid passage.
As preferably, described denitration sorbing material is active carbon, the general block absorbent charcoal adopting with cellular space.Air through dedusting and oxidation passes in and out denitrator, the nitrogen dioxide (NO in tunnel air by denitrator hollow out window
2) after the charcoal absorption purification in denitration groove, be discharged in tunnel.After end of run, denitration groove is extracted out and changed active carbon, used active carbon can be regenerated and be sloughed the NO of absorption
2rear repeated usage.
As preferably, also comprise denitrator water pump control panel, denitrator water pump control panel is provided with connection jaws, compression indicator, humidity chart, water pump operation switch, water pump halt switch, pump power indicator lamp, water pump fault-indicating lamp.
The part water forming for ease of reclaiming spraying, simultaneously, ensure denitrator water storage tank internal and external pressure balance, ensure carrying out smoothly of spraying, as preferably, described denitrator water storage tank top is provided with to the backflash of water tank bottom depression, and this backflash bottom is provided with the return port being communicated with water storage tank inner chamber.
As preferably, also comprise that denitration compartment connects workstation.Described denitration compartment connection workstation is installed on the upper opening skylight place in denitration compartment, by connection rotating shaft, the one end that connects workstation is fixed on to skylight one side, can rotate with connection rotating shaft, connect the other end of workstation be provided with handle and day sash lock for manually opened be fixedly connected with workstation, connection workstation is connected with denitrator water pump, electromechanical control cabinet and autonomous cruise speed system by telescopic connecting cable.
As preferably, WeiVXing fluid passage, described fluid passage, each fluid passage is surrounded by denitrator fixed dam and the described denitrator framework of two V-types.As further preferably, in described fluid passage, be provided with denitration groove support and adopt drawer-type structure to be arranged on the denitration groove in denitration groove support; Described denitrator framework is provided with the drawer mouth corresponding with denitration groove.Adopt the denitration groove of drawer-type structure to facilitate replacing and the reuse of denitration sorbing material.
Described denitration groove support comprises the vertical baffle plate that top and top, fluid passage are fixed and the box body framework interfixing with vertical baffle plate bottom, is provided with described denitration groove in described box body framework; Air enters denitration groove through box body base of frame and carries out denitration under vertical baffle plate guide functions.
The present invention also provides a kind of method that traffic tunnel air purifying vehicle carries out tunnel air purification described in above-mentioned arbitrary technical scheme of utilizing, it is characterized in that, comprise: traffic tunnel air purifying vehicle is travelled to needing in the highway tunnel of air-pollution control, utilize speed of a motor vehicle control to enter the flow velocity of gas in semitrailer compartment ventilation inlet, carry out dedusting by electric dust collector, carry out humidification and oxidation by oxidator, finally carry out humidification and denitration by denitrator, finally by semitrailer compartment air outlet, fresh air after treatment is discharged in tunnel.
Car of the present invention utilizes the mechanism of electric precipitation principle, photochemical catalytic oxidation principle and charcoal absorption, purify feature according to tunnel air, to fix enclosed air-pollution control mode expands as mobile open type air-pollution control mode, gas is changed over to the motion of clean air system with respect to gas with respect to the motion of clean air system, by speed of a motor vehicle controlled wind speed, by the electric expansion folding control air quantity of exhaust hood.
By articulating, mode realizes tractor to the present invention's employing and semitrailer compartment is fixed, and in the time of off working state, can be used as, in other vehicles, having improved practicality of the present invention.
The present invention generally also comprises high pressure generator and electromechanical control cabinet, described high pressure generator is a kind of high-voltage generator, can produce for the direct current (DC) of electric dust collector electro-mechanical part and the alternating current of debris collection section, be provided for the operating voltage of oxidator humidification and uviol lamp operation, and be provided for the operating voltage of denitrator humidification, the power supply that is equivalent to whole clean air system, is connected to by electromechanical control cabinet.
Described electromechanical control cabinet is connected with high pressure generator, and be connected workstation with dedusting compartment by telescopic connecting cable, electric dust collector, oxidation compartment connect workstation, oxidator, denitration compartment connect workstation, denitrator, autonomous cruise speed system are connected, Electromechanical Control is cashier's office in a shop provided with and can be used for manually operated electric dust collector run switch, electric dust collector halt switch, electric dust collector power light, electric dust collector fault-indicating lamp, electro-mechanical part volt meter and amperemeter/ammtr, debris collection section volt meter and amperemeter/ammtr, can be used for manually operated oxidator run switch, oxidator halt switch, oxidator power light, oxidator fault-indicating lamp, oxidator volt meter, oxidator amperemeter/ammtr, can be used for manually operated oxidator humidification run switch, oxidator humidification halt switch, oxidator humidification power light, oxidator humidification fault-indicating lamp, oxidator humidification volt meter, oxidator humidification humidity chart, can be used for manually operated denitrator humidification run switch, denitrator humidification halt switch, denitrator humidification power light, denitrator humidification fault-indicating lamp, denitrator humidification volt meter, denitrator humidification humidity chart, to improve the flexibility of operation of system.
As preferably, described electric dust collector is made up of 8 ESP unit, electro-mechanical part connection box, debris collection section connection box, sparge water entrance, sparge water outlet, detachable flushing door, handle, limit switch, bolt of rear end plate, bolt of rear end plate is fixed on electric dust collector on the firm banking of dedusting car bottom, direct current electro-mechanical part one side near ventilation inlet place and with exhaust hood slitless connection; Each ESP unit by direct current electro-mechanical part with exchange debris collection section and form, the logical direct current (DC) of direct current electro-mechanical part makes particulate matter (PM) charged, exchanging debris collection section indirect current is evenly enriched in upper and lower two electrode plate particulate matter (PM), each ESP unit connects knob series connection by inside and is fixed in electric dust collector frame, each ESP unit all independently detachable, rinse and maintenance; Electro-mechanical part connection box is connected with the ESP unit direct current electro-mechanical part pole plate after series connection, and debris collection section connection box exchanges debris collection section pole plate with the ESP unit after series connection and is connected, and be connected workstation with dedusting compartment by connecting cable connected; Traffic tunnel air dedusting denitration car will detachably rinse door and pull down before operation, make electric dust collector in operational process all the time in cross ventilation state, after end of run, will detachably rinse door is fixed on limit switch place and makes electric dust collector in sealing state with electric dust collector handle locking, external water pipe is connected to the outlet of sparge water entrance and sparge water, quotes extraneous water and clean the pollutants that the particulate matter (PM) collected on electric dust collector and internal connection accumulate.
As preferably, also comprise that dedusting compartment connects workstation, described dedusting compartment connection workstation is installed on the upper opening skylight place in dedusting compartment, by connection rotating shaft, the one end that connects workstation is fixed on to skylight one side, can rotate with connection rotating shaft, connect the other end of workstation be provided with handle and sky sash lock for manually opened be fixedly connected with workstation, be convenient to the maintenance of electric dust collector top device, connect workstation by telescopic connecting cable and air baffle electric rotation shaft, the half-open automobile door electric rotating shaft in dedusting compartment, electric dust collector, electromechanical control cabinet is connected with autonomous cruise speed system.
Described autonomous cruise speed system is arranged on the forefront of tractor truck, be connected workstation, oxidation compartment connects workstation, denitration compartment and connects workstation and be connected by connecting cable with high pressure generator, electromechanical control cabinet, dedusting compartment, control the operation of switch, electric dust collector, oxidator and the water pump of power supply, the rotation of electric rotation shaft, become the control center of traffic tunnel air purifying vehicle, be convenient to driver and crew's operation.The control panel that autonomous cruise speed system generally comprises control chip and control chip carried out to instruction input, the general and driving panel of control panel is wholely set, to facilitate the real-time control of chaufeur.
Traffic tunnel air purifying vehicle of the present invention is made up of tractor truck, dedusting compartment, oxidation compartment, denitration compartment, high pressure generator, electromechanical control cabinet, exhaust hood, electric dust collector, dedusting compartment connection workstation, oxidator, oxidation compartment connection workstation, denitrator, denitration compartment connection workstation, autonomous cruise speed system.Utilize the mechanism of electric precipitation principle, photochemical catalytic oxidation principle and charcoal absorption, to fix enclosed air-pollution control mode expands as mobile open type air-pollution control mode, gas is changed over to the motion of clean air system with respect to gas with respect to the motion of clean air system, utilize speed of a motor vehicle controlled wind speed, by the electric expansion folding control air quantity of ventilation inlet place exhaust hood, to adapt to different tunnel cross-section areas.Along with traffic tunnel air purifying vehicle moves forward in tunnel, the airborne pollutant that contain particulate matter (PM) enter by direct current electro-mechanical part and the electric field that exchanges debris collection section and form, charged particle thing uniform deposition under the effect of Coulomb force is removed exchanging on the battery lead plate of debris collection section, then, the airborne pollutant that contain oxides of nitrogen (NOx) enter oxidator, and when the oxides of nitrogen (NOx) that humidity is suitable passes through oxidation trough, nitrogen monoxide (NO) is become nitrogen dioxide (NO by photocatalyst oxidizes
2), last, contain nitrogen dioxide (NO
2) airborne pollutant enter denitrator, the nitrogen dioxide (NO that humidity is suitable
2) removed by charcoal absorption during through denitration groove, air natural after purification enters in tunnel to flowing after car, removes thus particulate matter (PM), nitrogen monoxide (NO) and nitrogen dioxide (NO in whole traffic tunnel air pollutants
2), this process only needs a people just can operate operation by autonomous cruise speed system.After end of run, traffic tunnel air purifying vehicle rests in the center of keeping a public place clean, city, only needs external clear water to rinse electric dust collector, changes photocatalyst in oxidator and the active carbon in denitrator just can be realized repeated usage.Tractor truck can separate with dedusting compartment, oxidation compartment, denitration compartment, in the time quitting work, can use for other purposes.
Compare with exhaust purification technology with conventional tunnel ventilation, the invention has the beneficial effects as follows:
(1) the present invention changes air cleaning facility into lift-launch mobile collecting granules thing (PM), oxidization of nitric oxide (NO) and absorption nitrogen dioxide (NO onboard by the original mode that is fixedly mounted on tunnel bypass or furred ceiling
2) mode, saved the indispensable power plant-blower fan of general clean air system, do not need to increase the construction of highway tunnel bypass and top set wind path, greatly reduced the input of the constant costs such as a cubic metre of earth construction, draft equipment installation;
(2) this traffic tunnel air purifying vehicle can be chosen in and enter highway tunnel operation peak period according to the size of day car flow, and only needs a people just can operate operation, can actv. control operation cost; After end of run, can rest in the center of keeping a public place clean, city, only the photocatalyst in the external clear water flushing of needs electric dust collector, replacing oxidator and the active carbon in denitrator just can be realized repeated usage, and tractor truck can separate with dedusting compartment, oxidation compartment, denitration compartment, in the time quitting work, can use for other purposes, reduce maintenance cost.Therefore, this traffic tunnel air purifying vehicle is simple in structure, complete function, easy to operate, cost is low, efficiency is high, effective, be applicable to various highway tunnels and use.
Brief description of the drawings
Fig. 1 is the structural representation of traffic tunnel air purifying vehicle of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the left view of Fig. 1 mesohigh producer and electromechanical control cabinet.
Fig. 4 is the left view of electric dust collector in Fig. 1.
Fig. 5 is the left view of oxidator in Fig. 1.
Fig. 6 is the left view of denitrator in Fig. 1.
Detailed description of the invention
Traffic tunnel air purifying vehicle is made up of tractor truck, dedusting compartment, oxidation compartment, denitration compartment, high pressure generator, electromechanical control cabinet, exhaust hood, electric dust collector, dedusting compartment connection workstation, oxidator, oxidator connection workstation, denitrator, denitration compartment connection workstation, autonomous cruise speed system.Traffic tunnel air purifying vehicle utilizes the mechanism of electric precipitation principle, photochemical catalytic oxidation principle and charcoal absorption, purify feature according to tunnel air, to fix enclosed air-pollution control mode expands as mobile open type air-pollution control mode, gas is changed over to the motion of clean air system with respect to gas with respect to the motion of clean air system, utilize speed of a motor vehicle controlled wind speed, by the electric expansion folding control air quantity of ventilation inlet place, dedusting compartment exhaust hood, denitration carriage air discharging mouth makes compartment form the air channel being in communication with the outside in opening-wide state all the time, has saved blower fan.Traffic tunnel air purifying vehicle can arbitrarily regulate by autonomous cruise speed system the size of exhaust hood, to adapt to different tunnel cross-section areas.After dead work completes, each installs all in opening, along with traffic tunnel air purifying vehicle moves forward in tunnel, the airborne pollutant that contain particulate matter (PM) enter by direct current electro-mechanical part and the electric field that exchanges debris collection section and form, charged particle thing uniform deposition under the effect of Coulomb force is removed exchanging on the battery lead plate of debris collection section, then, the airborne pollutant that contain oxides of nitrogen (NOx) enter oxidator, when the oxides of nitrogen (NOx) that humidity is suitable passes through oxidation trough, nitrogen monoxide (NO) is become nitrogen dioxide (NO by photocatalyst oxidizes
2), last, contain nitrogen dioxide (NO
2) airborne pollutant enter denitrator, the nitrogen dioxide (NO that humidity is suitable
2) removed by charcoal absorption during through denitration groove, air natural after purification enters in tunnel to flowing after car, removes thus particulate matter (PM), nitrogen monoxide (NO) and nitrogen dioxide (NO in whole traffic tunnel air pollutants
2).
Below in conjunction with embodiment accompanying drawing, traffic tunnel air purifying vehicle of the present invention is further described.
In Fig. 1, Fig. 2, tractor truck 1 leaves left-right and front-back car door, and Qianmen 2 is upper and lower for driver and crew's, and back door 3 is for the handling of high pressure generator 4 and electromechanical control cabinet 5.Tractor truck 1 rear portion is mounted with semitrailer compartment, and semitrailer compartment is with the ventilation inlet 123 and the air outlet 124 that is positioned at rear vehicle that are positioned at Vehicular body front.Semitrailer compartment can adopt integral type, also can adopt split type.In the present embodiment, adopt split typely, comprise dedusting compartment 36, oxidation compartment 63, denitration compartment 96.
Tractor truck 1 connects dedusting compartment 36 by the dedusting compartment towing pin 37 on traction pin plate 35.The ventilation inlet place in dedusting compartment 36 is provided with exhaust hood, exhaust hood is by the air baffle 38 of top, two fan half door openings 41 in dedusting compartment 36, connect the folding retractable plate 40 between air baffle 38 and half door opening 41, the air baffle electric rotation shaft 39 that fixed dam 45 and control air baffle 38 and half door opening 41 rotate, half-open automobile door electric rotating shaft 42 forms, air baffle electric rotation shaft 39, half-open automobile door electric rotating shaft 42 is connected workstation 46 and is connected with dedusting compartment, by automatic controlling system air baffle electric rotation shaft 39, half-open automobile door electric rotating shaft 42 makes exhaust hood carry out folding, air baffle 38 is provided with the fixing socket 43 of cable and fixes for the connected sum of connecting cable.Tractor truck 1 rear has one for supporting the draw-in groove 34 of exhaust hood top air baffle 38, and the height of draw-in groove 34 is lower than air baffle electric rotation shaft 39; When traffic tunnel air purifying vehicle is during in off working state, the turnover side of air baffle 38 is overlapped on this draw-in groove 34, forms the downward-sloping ramp structure in front side simultaneously, further reduces windage.Air baffle 38, folding retractable plate 40 are realized hinged fixing by fixed dam 45 and dedusting compartment 36.
Enough large space is left for carrying electric dust collector 49 in 36 middle parts, dedusting compartment, top have skylight for install can switch dedusting compartment connect workstation 46, it is hinged by workstation connection rotating shaft 48 and 36 tops, dedusting compartment that dedusting compartment connects workstation 46, dedusting compartment connects on workstation 46 can arrange handle as required, and dedusting compartment connects workstation 46 and is connected with telescopic connecting cable 44 by dedusting compartment connection workstation connection jaws 47; 36 air outlet places, dedusting compartment are provided with oxidation compartment towing pin 92 for connecting oxidation compartment 63 slitless connection, and the air outlet both sides in dedusting compartment 36 are provided with dedusting compartment and connect car door 61 for locking the upper and lower of oxidation compartment 63 and operating personal.Enough large space is left for carrying oxidator 65 in oxidation 63 middle parts, compartment, top have skylight for install can switch oxidation compartment connection workstation 64; Oxidation 63 air outlet places, compartment are provided with denitration compartment towing pin 95 for connecting denitration compartment 96, and the air outlet both sides in oxidation compartment 63 are provided with oxidation compartment and connect car door 93 for locking the upper and lower of denitration compartment 96 and operating personal; Denitration compartment 96 is by denitration compartment towing pin 95 and oxidation compartment 63 slitless connections, enough large space is left for carrying denitrator 98 in middle part, top have skylight for install can switch denitration compartment connect workstation 97, denitration compartment 96 air outlets are connected with outside air in opening-wide state all the time.
Between tractor truck 1 and dedusting compartment 36, connect and separate by dedusting compartment towing pin 37, the folding of enough large space for exhaust hood left in junction, and with telescopic connecting cable 44, the autonomous cruise speed system in tractor truck, high pressure generator 4, electromechanical control cabinet 5 are connected to workstation 46, electric dust collector 49, oxidation compartment with dedusting compartment and connect that workstation 64, oxidator 65, denitration compartment connect workstation 97, denitrator 98 is connected together, and telescopic connecting cable 44 is fixed to socket 43 by cable be fixed on air baffle 38.36 bottoms, dedusting compartment are provided with grounding jumper 59.
In Fig. 3, high pressure generator 4 is a kind of high-voltage generators, can produce for the direct current (DC) of electric dust collector 49 electro-mechanical parts and the alternating current of debris collection section, be provided for the operating voltage that oxidator 65 humidifications and uviol lamp 89 move, and be provided for the operating voltage of denitrator 98 humidifications, be equivalent to the power supply of whole clean air system, be connected to electromechanical control cabinet 5 other.Electromechanical control cabinet 5 is connected with high pressure generator 4, and is connected workstation 46 by telescopic connecting cable 44 with dedusting compartment, electric dust collector 49, oxidation compartment connects workstation 64, oxidator 65, denitration compartment connects workstation 97, denitrator 98, autonomous cruise speed system is connected, and electromechanical control cabinet 5 is provided with and can be used for manually operated electric dust collector run switch 12, electric dust collector halt switch 13, electric dust collector power light 14, electric dust collector fault-indicating lamp 15, electro-mechanical part volt meter 8 and electro-mechanical part amperemeter/ammtr 9, debris collection section volt meter 10 and debris collection section amperemeter/ammtr 11, can be used for manually operated oxidator run switch 18, oxidator halt switch 19, oxidator power light 20, oxidator fault-indicating lamp 21, oxidator volt meter 16, oxidator amperemeter/ammtr 17, can be used for manually operated oxidator humidification run switch 24, oxidator humidification halt switch 25, oxidator humidification power light 26, oxidator humidification fault-indicating lamp 27, oxidator humidification volt meter 22, oxidator humidification humidity chart 23, can be used for manually operated denitrator humidification run switch 30, denitrator humidification halt switch 31, denitrator humidification power light 32, denitrator humidification fault-indicating lamp 33, denitrator humidification volt meter 28, denitrator humidification humidity chart 29.High pressure generator 4 and electromechanical control cabinet 5 are equipped with is convenient to high pressure generator handle 6 and the electromechanical control cabinet handle 7 that field staff opens and closes.
In Fig. 4, electric dust collector 49 is made up of some ESP unit 54, is 8 in Fig. 4.Electric dust collector 49 is fixed on the firm banking of 36 bottoms, dedusting compartment by bolt of rear end plate.Each ESP unit 54 by direct current electro-mechanical part 55 with exchange debris collection section 56 and form, direct current electro-mechanical part 55 1 sides near ventilation inlet place and with exhaust hood slitless connection, the logical direct current (DC) of direct current electro-mechanical part 55 makes particulate matter (PM) charged, exchanging debris collection section 56 indirect currents is evenly enriched in upper and lower two electrode plate particulate matter (PM), each ESP unit 54 connects knob series connection by inside and is fixed in electric dust collector frame, each ESP unit 54 all independently detachable, rinse and maintenance; Electro-mechanical part connection box 50 is connected with the pole plate of the direct current electro-mechanical part 55 of the ESP unit 54 after series connection, and debris collection section connection box 51 is connected with the pole plate that exchanges debris collection section 56 of the ESP unit 54 after series connection, and be connected workstation 46 with dedusting compartment by connecting cable connected; 49 air outlet places, dedusting compartment are provided with detachable flushing door 60, traffic tunnel air dedusting denitration car will detachably rinse door 60 and pull down before operation, make electric dust collector 49 in operational process all the time in cross ventilation state, after end of run, will detachably rinse door 60 is fixed on limit switch 58 places and locks and make electric dust collector 49 in sealing state with electric dust collector handle 57, external water pipe is connected to sparge water entrance 52 and sparge water outlet 53, quotes extraneous water and clean the particulate matter (PM) of collection on electric dust collector 49 and the pollutants of internal connection accumulation.Limit switch 58 can be selected the snap-in structure of control automatically etc., generally can be realized automatically and being controlled by autonomous cruise speed system.
In Fig. 5, oxidator 65 is fixed on the firm banking in oxidation compartment 63 by bolt of rear end plate.Oxidator water storage tank 71 is fixed on the bottommost of oxidator 65, is provided with oxidator water storage tank filling pipe end 72 and oxidator water storage tank water outlet 73, and top has oxidator water storage tank backflash 74, ensures that oxidator water storage tank 71 communicates with the external world and for collecting recirculation water, oxidator water pump 75 is embedded on oxidator water storage tank 71, oxidator water pump pump water inlet 76 gos deep into oxidator water storage tank 71 bottommosts and draws water, oxidator water pump pump water out 77 is connected with the anti-high-pressure water pipe 69 of oxidator, the anti-high-pressure water pipe 69 of oxidator is provided with oxidator atomizer 68, after making water fogging, oxidator atomizer 68 is sprayed onto in oxidator 65, oxidator water pump 75 control panels are provided with oxidator water pump connection jaws 78, oxidator water-aspirator pressure table 79, oxidator water pump humidity chart 80, oxidator water pump operation switch 81, oxidator water pump halt switch 82, oxidator pump power indicator lamp 83, oxidator water pump fault-indicating lamp 84, oxidator humidity sensor 70 is arranged on the humidity of the top mensuration air of oxidator water pump 75, be connected with oxidator water pump 75 by the sensor interface on oxidator water pump 75, moisture signal is converted into electric signal transmission to oxidator water pump 75, and the moisture signal of measuring by oxidator humidity sensor 70 determines the operation of oxidator water pump 75 and stops.Oxidation framework forms by being fixed on the fluid passage of the some similar V-types in oxidation framework and the oxidation unit 85 being arranged in fluid passage.The fluid passage of V-type is interfixed and forms with framework by the oxidator fixed dam 91 of adjacent two V-types; Oxidation framework is provided with oxidator hollow out window 67, is convenient to realize the turnover of air.Each oxidation unit 85 is by oxidation trough 86, oxidation trough handle 87 and form for the photocatalytic-oxidation formed material 88 of oxidization of nitric oxide (NO), photocatalytic-oxidation formed material 88 is filled in 86 li of oxidation troughs uniformly, and oxidation trough 86 is fixed on oxidation trough support 90 and can shakes hands 87 advance freely and pull out by oxidation trough.On oxidation trough support 90, be generally made up of box body framework and vertical baffle plate, box body base of frame is provided with screen cloth, is convenient to entering of air; Box body framework one side is fixed with oxidation framework, opposite side interfixes by the oxidator fixed dam 91 of vertical baffle plate and V-type, vertical baffle plate is realized fixing box body framework on the one hand, play on the other hand the effect of water conservancy diversion, ensure that air enters in oxidation trough 86 and is oxidized from the screen cloth of box body base of frame.Each oxidation trough 86 respectively arranges up and down a uviol lamp 89 and is arranged on oxidation trough support 90, is cascaded, and is connected with the oxidator connection box 66 of oxidator 65 tops by connection lead.Photocatalytic-oxidation formed material 88 can be selected oxidation of nitric oxide photoactivation agent (for example titanium dioxide optical catalyst).The air of removing particulate matter (PM) through electric dust collector 49 passes in and out oxidator 65 by oxidator hollow out window 67, after the photocatalyst oxidizes after the first humidification of nitrogen monoxide (NO) in tunnel air in oxidized groove 86, enters denitrator 98.After end of run, extract oxidation trough 86 out replacing photocatalyst, can adopt screen cloth to cover photocatalyst end face after having held photocatalyst, be convenient to realize preliminary fixing to photocatalyst, ensure the smooth discharge of air simultaneously.
In Fig. 6, denitrator 98 is fixed on the firm banking in denitration compartment 96 by bolt of rear end plate.Denitrator water storage tank 103 is fixed on the bottommost of denitrator 98, be provided with denitrator water storage tank filling pipe end 104 and denitrator water storage tank water outlet 105, top has a denitrator water storage tank backflash 106, ensures that denitrator water storage tank 103 communicates with the external world and for collecting recirculation water, denitrator water pump 107 is embedded on denitrator water storage tank 103, denitrator water pump pump water inlet 108 gos deep into denitrator water storage tank 103 bottommosts and draws water, denitrator water pump pump water out 109 is connected with the anti-high-pressure water pipe 101 of denitrator, the anti-high-pressure water pipe 101 of denitrator is provided with denitrator atomizer 100, after making water fogging, denitrator atomizer 100 is sprayed onto in denitrator 98, denitrator water pump 107 control panels are provided with denitrator water pump connection jaws 110, denitrator water-aspirator pressure table 111, denitrator water pump humidity chart 112, denitrator water pump operation switch 113, denitrator water pump halt switch 114, denitrator pump power indicator lamp 115, denitrator water pump fault-indicating lamp 116, denitrator humidity sensor 102 is arranged on the humidity of the top mensuration air of denitrator water pump 107, be connected with denitrator water pump 107 by the sensor interface on denitrator water pump 107, moisture signal is converted into electric signal transmission to denitrator water pump 107, and the moisture signal of measuring by denitrator humidity sensor 102 determines the operation of denitrator water pump 107 and stops.Denitration framework is made up of the denitration unit 117 that is fixed on the fluid passage of the some similar V-types in denitration framework and be arranged in fluid passage.The fluid passage of V-type is interfixed and forms with framework by the denitrator fixed dam 122 of adjacent two V-types; Denitration framework is provided with denitrator hollow out window 99, is convenient to realize the turnover of air.Each denitration unit 117 is by denitration groove 118, denitration groove handle 119 with for adsorbing nitrogen dioxide (NO
2) denitration sorbing material 120 form, denitration sorbing material 120 is filled in 118 li of denitration grooves uniformly, denitration groove 118 is fixed on denitration groove support 121 and can is advanced freely and be pulled out by denitration groove handle 119.On denitration groove support 121, be generally made up of box body framework and vertical baffle plate, box body base of frame is provided with screen cloth, is convenient to entering of air; Box body framework one side and denitration framework are fixed, opposite side interfixes by the denitrator fixed dam 122 of vertical baffle plate and V-type, vertical baffle plate is realized fixing box body framework on the one hand, play on the other hand the effect of water conservancy diversion, ensure that air enters and in denitration groove 118, carries out denitration from the screen cloth of box body base of frame.Denitration sorbing material 120 can be selected active carbon.Remove through electric dust collector 49 air that particulate matter (PM) and oxidator 65 be oxidized and pass in and out denitrator 98 by denitrator hollow out window 99, the nitrogen dioxide (NO in tunnel air
2) after the charcoal absorption purification in denitration groove 118, be discharged in tunnel.After end of run, extract denitration groove 118 out replacing active carbon, used active carbon can be regenerated and be sloughed the nitrogen dioxide (NO of absorption
2) after repeated usage, can adopt screen cloth to cover active carbon end face after having held active carbon, be convenient to realize preliminary fixing to active carbon, ensure the smooth discharge of air simultaneously.
Between dedusting compartment 36, oxidation compartment 63, denitration compartment 96, can adopt and be wholely set, also can split setting and connect lock 62 and oxidation compartment by dedusting compartment and be connected and lock 94 and interfix.
This traffic tunnel air purifying vehicle can be chosen in and enter highway tunnel operation peak period according to the size of day car flow, and only need a people just can operate operation, after end of run, can rest in the center of keeping a public place clean, city, only need external clear water to rinse electric dust collector, photocatalyst in replacing oxidator and the active carbon in denitrator just can be realized repeated usage, and tractor truck and dedusting compartment, oxidation compartment, denitration compartment can separate, in the time quitting work, can use for other purposes, simple in structure, easy to operate, efficiency is high, effective, being applicable to various highway tunnels uses.
Claims (10)
1. a traffic tunnel air purifying vehicle, is characterized in that, comprising:
Air purification vehicle is provided to the tractor truck (1) of power;
With the semitrailer compartment that described tractor truck (1) tailstock articulates, this semitrailer compartment is provided with the ventilation inlet (123) that is positioned at front and the air outlet (124) that is positioned at rear;
Be successively set on electric dust collector (49), oxidator (65) and denitrator (98) in semitrailer compartment, described electric precipitation (49) device arranges near ventilation inlet (123), and described denitrator (98) arranges near air outlet (124); Air in tunnel enters successively electric dust collector (49), oxidator (65) and denitrator (98) and carries out air-pollution control;
Be arranged on the exhaust hood that described admission port (123) is located, this exhaust hood has the first working position of the described ventilation inlet of sealing and opens the second working position of ventilation inlet;
Autonomous cruise speed system, automatically controls exhaust hood and exchanges between two working positions, controls the switching of electric dust collector, oxidator and denitrator simultaneously.
2. traffic tunnel air purifying vehicle according to claim 1, is characterized in that, described exhaust hood comprises:
Be hinged on two fan half door openings (41) of the ventilation inlet both sides of semitrailer compartment;
Be hinged on the air baffle (38) of the ventilation inlet top side of semitrailer compartment;
The folding retractable plate (40) that half door opening apical margin is connected with air baffle both sides;
Described air baffle (38) is hinged near a side and described ventilation inlet (123) top side of the traction tailstock, the first working position turning on opposite side has, and work as the second working position that the half-open closing of the door of two fans turns at present; Described half door opening (41) and air baffle (38) are realized rotation under the control of autonomous cruise speed system.
3. traffic tunnel air purifying vehicle according to claim 1, it is characterized in that, described tractor truck (1) is provided with draw-in groove (34) near the top side of the tailstock, the height of draw-in groove is lower than the height of the hinged side of air baffle, in the time that air baffle is positioned at the second working position, a side of turning under it is overlapped in this draw-in groove.
4. traffic tunnel air purifying vehicle according to claim 1, is characterized in that, described oxidator (65) comprising:
Both sides are with the oxidation framework of hollow out window;
Be fixed on one or more fluid passages of oxidation framework, the two ends of this fluid passage are corresponding with the hollow out window of oxidation framework both sides respectively;
Be arranged on the photocatalytic-oxidation formed material (88) of fluid passage;
Be fixed on one or more uviol lamps (89) on oxidation framework, the ultraviolet light of exciting light catalytic oxidation material is provided;
Be arranged on this admission port place, fluid passage carries out humidification damping device to air.
5. traffic tunnel air purifying vehicle according to claim 4, is characterized in that, WeiVXing fluid passage, described fluid passage, and each fluid passage is surrounded with described oxidation framework by the oxidator fixed dam (91) of two V-types.
6. traffic tunnel air purifying vehicle according to claim 4, is characterized in that, is provided with oxidation trough support (90) and adopts drawer-type structure to be arranged on the oxidation trough (86) in oxidation trough support in described fluid passage; Described oxidation framework (90) is provided with the drawer mouth corresponding with oxidation trough (86).
7. traffic tunnel air purifying vehicle according to claim 6, it is characterized in that, described oxidation trough support (90) comprises the vertical baffle plate that top and top, fluid passage are fixed and the box body framework interfixing with vertical baffle plate bottom, is provided with described oxidation trough (86) in described box body framework; Air enters oxidation trough (86) through box body base of frame and is oxidized under vertical baffle plate guide functions.
8. traffic tunnel air purifying vehicle according to claim 6, is characterized in that, described uviol lamp (89) arranges along the upper and lower both sides of oxidation trough (86).
9. traffic tunnel air purifying vehicle according to claim 6, is characterized in that, described damping device comprises:
The humidification framework that is arranged on oxidation framework ventilation inlet place, humidification framework both sides are provided with hollow out window;
Be fixed on the oxidator water storage tank (71) of humidification framework and oxidator base of frame;
Be fixed on humidification framework inside for air being carried out to one or more oxidator atomizers (68) of humidification;
Water transport in oxidator water storage tank (71) is delivered to the oxidator water pump (75) that oxidator atomizer (68) is sprayed;
Be arranged on the oxidator humidity sensor (70) for detection of air humidity in humidification framework, oxidator humidity sensor (70), according to the moisture signal detecting, is controlled the operation of described oxidator water pump (75);
The air of described electric dust collector (49) dedusting, from enter oxidation framework after humidification in humidification framework, is finally discharged from the oxidation of oxidation framework.
10. one kind is utilized the method that traffic tunnel air purifying vehicle carries out tunnel air purification described in the arbitrary claim of claim 1-9, it is characterized in that, comprise: traffic tunnel air purifying vehicle is travelled to needing in the highway tunnel of air-pollution control, utilize speed of a motor vehicle control to enter the flow velocity of gas in semitrailer compartment ventilation inlet, carry out dedusting by electric dust collector, carry out humidification and oxidation by oxidator, carry out humidification and denitration by denitrator again, finally by semitrailer compartment air outlet, fresh air after treatment is discharged in tunnel.
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| CN201410228208.9A CN104071240B (en) | 2014-05-27 | 2014-05-27 | Traffic tunnel air purifying vehicle and purification method thereof |
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| CN201410228208.9A CN104071240B (en) | 2014-05-27 | 2014-05-27 | Traffic tunnel air purifying vehicle and purification method thereof |
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| CN109466656A (en) * | 2018-11-23 | 2019-03-15 | 章云 | Mobile air purifying vehicle and its control system |
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| CN111577372A (en) * | 2020-05-11 | 2020-08-25 | 广州同胜环保科技有限公司 | Vehicle-mounted filter cylinder dust removal equipment for tunnel |
| CN117432416A (en) * | 2023-12-20 | 2024-01-23 | 吉林交通职业技术学院 | Shaft with air self-circulation function |
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