阅读说明：本技术 飞机牵引车 (Aircraft tractor ) 是由 刘桂贤 邓选 赵宏伟 于 2019-10-25 设计创作，主要内容包括：本发明涉及一种飞机牵引车,包括车本体以及安装在车本体下方的发动机,发动机的排气口连通有吸附尾气中颗粒的过滤装置,过滤装置可拆卸连接有若干相连通且加入氢氧化钠溶液的容器瓶,远离过滤装置的容器瓶通过管道连通有干燥气体的干燥器,干燥器连通有与发动机内相连通的收集箱,发动机与收集箱之间设置有电控阀；容器瓶连通有排除液体的排液装置,容器瓶均连通有添加液体的进液瓶。通过采用上述技术方案,利用过滤装置和容器瓶内的溶液,以提取废气中的可燃物质,以便于排至发动机内进行循环利用,从而达到节能减排的优点。(The invention relates to an aircraft tractor, which comprises a tractor body and an engine arranged below the tractor body, wherein an exhaust port of the engine is communicated with a filtering device for adsorbing particles in tail gas, the filtering device is detachably connected with a plurality of container bottles which are communicated with each other and added with sodium hydroxide solution, the container bottle far away from the filtering device is communicated with a dryer for drying gas through a pipeline, the dryer is communicated with a collecting box communicated with the inside of the engine, and an electric control valve is arranged between the engine and the collecting box; the container bottles are communicated with a liquid discharge device for discharging liquid, and are communicated with a liquid feeding bottle for adding liquid. By adopting the technical scheme, the solution in the filtering device and the container bottle is utilized to extract combustible substances in the waste gas, so that the waste gas can be conveniently discharged into an engine for cyclic utilization, and the advantages of energy conservation and emission reduction are achieved.)

1. The utility model provides an aircraft tractor, includes car body (1) and installs engine (2) in car body (1) below, characterized by: an exhaust port of the engine (2) is communicated with a filtering device (3) for adsorbing particles in tail gas, the filtering device (3) is detachably connected with a plurality of container bottles (4) which are communicated with each other and are added with sodium hydroxide solution, the container bottles (4) far away from the filtering device (3) are communicated with a dryer (7) for drying gas through pipelines, the dryer (7) is communicated with a collecting box (9) communicated with the interior of the engine (2), and an electric control valve (221) for opening and closing the collecting box (9) is arranged between the engine (2) and the collecting box (9); the container bottle (4) is communicated with a liquid drainage device (5) for draining liquid.

2. The aircraft tractor of claim 1, wherein: the filtering device (3) comprises a filter cartridge (31) communicated with the middle, two ends in the filter cartridge (31) are respectively provided with an activated carbon plate (311), and a plurality of separation blades (312) distributed at intervals are arranged between the activated carbon plates (311).

3. The aircraft tractor of claim 1, wherein: the liquid drainage device (5) comprises a rotating cover (51), the rotating cover (51) is rotatably connected with the lower part of the container bottle (4), a plurality of main through holes (43) penetrate through the inner bottom wall of the container bottle (4), a plurality of auxiliary through holes (511) penetrate through the rotating cover (51), and one end, far away from the container bottle (4), of the rotating cover (51) is detachably connected with a collecting bottle (52) for collecting liquid; when the rotating cover (51) is rotated until the main through hole (43) is aligned with the auxiliary through hole (511), the container bottle (4) is communicated with the collecting bottle (52).

4. The aircraft tractor of claim 1, wherein: the liquid drainage device (5) comprises a sealing block (47), straight holes (46) penetrate through the inner bottom wall of the container bottle (4), the sealing block (47) is plugged and sealed with the straight holes (46), and a spring (48) for extruding the sealing block (47) to seal the straight holes (46) is arranged between the inner bottom wall of the container bottle (4) and the sealing block (47); the container bottle (4) is detachably connected with a liquid collecting bottle (53), a push rod (531) is arranged in the liquid collecting bottle (53), when the liquid collecting bottle is connected with the container bottle (4), the push rod (531) pushes the sealing block (47), and the container bottle (4) is communicated with the liquid collecting bottle (53).

5. The aircraft tractor of claim 3, wherein: the outside arch of outer peripheral face of container bottle (4) has ring piece (44), the inside confession of opening of inner peripheral surface of rotating lid (51) has ring piece (44) joint complex annular (512), the outside inside arc groove (441) of opening of outer peripheral face of ring piece (44), the tank bottom surface fixedly connected with stopper (513) of annular (512), stopper (513) are located in arc groove (441), when rotating lid (51) extremely stopper (513) with during the groove lateral wall butt of arc groove (441), main through-hole (43) with vice through-hole (511) are just to setting up.

6. The aircraft tractor of claim 4, wherein: the cross section of the inner bottom wall of the container bottle (4) is gradually reduced towards the straight hole (46).

7. The aircraft tractor of claim 1, wherein: a plurality of the container bottle (4) is communicated with a liquid inlet bottle (6) for adding liquid, and a pipeline between the container bottle (4) and the liquid inlet bottle (6) is provided with a ball valve (61) for opening and closing the liquid inlet bottle (6).

8. The aircraft tractor of claim 1, wherein: a plurality of hollow reaction balls (42) are communicated with a pipeline between the container bottle (4) and the filtering device (3).

9. The aircraft tractor of claim 2, wherein: the filtering device (3), the container bottles (4) and the dryer (7) are all surrounded by the same protective cover (8).

10. The aircraft tractor of claim 9, wherein: protection casing (8) are including mutual threaded connection's main safety cover (81) and vice safety cover (82), filter equipment (3) are located in vice safety cover (82), container bottle (4) pass through the pipeline with peg graft in cartridge filter (31), vice safety cover (82) with cartridge filter (31) coaxial setting.

Technical Field

The invention relates to the technical field of vehicle tail gas treatment, in particular to an aircraft tractor.

Background

An airplane tractor is a guarantee device for dragging an airplane on an airport ground. The method can also be used for moving large parts of the airplane or the airplane in the manufacturing process of the airplane to assist the assembly operation of the airplane. Currently, some aircraft tractors will employ engines to power the tractors.

In the working process of the aircraft tractor, a large amount of tail gas is generated and discharged into the air, and the tail gas discharged by the tractor mainly contains hydrocarbon, oxynitride, sulfur dioxide, carbon monoxide and particles containing impurities such as lead, carbon powder and the like, wherein the hydrocarbon and the oxynitride can form photochemical smog in the sun, and the sulfur dioxide, the carbon monoxide and the dust particles can cause harm to a human body and air pollution; among them, the tail gas contains a large amount of energy, and the hydrocarbon and carbon monoxide gases are combustible and are directly discharged to the air, which may cause energy consumption and waste.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an aircraft tractor which has the advantages of energy conservation and emission reduction.

In order to achieve the purpose, the invention provides the following technical scheme:

an aircraft tractor comprises a tractor body and an engine arranged below the tractor body, wherein an exhaust port of the engine is communicated with a filtering device for adsorbing particles in tail gas, the filtering device is detachably connected with a plurality of container bottles which are communicated with each other and added with a sodium hydroxide solution, the container bottles far away from the filtering device are communicated with a dryer for drying gas through pipelines, the dryer is communicated with a collecting box communicated with the inside of the engine, and an electric control valve is arranged between the engine and the collecting box; the container bottles are communicated with a liquid drainage device for draining liquid, and are communicated with liquid feeding bottles for adding liquid.

By adopting the technical scheme, the exhaust port of the engine is communicated with the filtering device, and the adsorption action of the filtering device is utilized to adsorb lead-containing and carbon powder particles in the tail gas discharged by the engine so as to reduce the direct discharge of the particulate matters into the air. Because nitric oxide has stronger instability, nitric oxide in the tail gas reacts with oxygen in the filtering device to generate nitrogen dioxide gas, so that sulfur dioxide and oxynitride in the tail gas react with sodium hydroxide when the tail gas enters a container bottle added with a sodium hydroxide solution, and sodium sulfite, sodium nitrite and sodium nitrate are generated when the content of sulfur dioxide is low; when the content of the sulfur dioxide is high, sodium bisulfite, sodium nitrite and sodium nitrate are generated so as to remove nitrogen oxides and sulfur dioxide gas in the tail gas. In order to reduce the insufficient reaction condition of the nitrogen oxides and the sulfur dioxide, a plurality of mutually communicated container bottles containing sodium hydroxide solution are communicated with the tail gas, so that the nitrogen oxides and the sulfur dioxide in the tail gas can be further eliminated. Get rid of granule, sulfur dioxide and oxynitride gas are arranged to the desicator in so that dry tail gas, thereby make gas such as remaining hydrocarbons and carbon monoxide arrange to the collecting box in, so that collect combustible gas, and then arrange hydrocarbon and carbon monoxide in the engine, so that increase the pressure of engine, increase the content of combustible gas in the engine simultaneously, make the engine burning more abundant, reduce tail gas emission to the air simultaneously, be favorable to improving the air quality, cyclic utilization energy simultaneously, in order to reach energy saving and emission reduction's effect.

The invention is further configured to: the filtering device comprises a filter cartridge communicated with the middle, wherein two ends in the filter cartridge are respectively provided with an activated carbon plate, and a plurality of separation blades distributed at intervals are arranged between the activated carbon plates.

By adopting the technical scheme, after an engine of the aircraft tractor is subjected to air inlet, compression, ignition and exhaust, tail gas of the tractor exhausted by the engine is exhausted into the filter cylinder, wherein the filtering hole of the activated carbon plate close to the air inlet of the filter cylinder is larger than the filtering hole of the activated carbon plate close to the air outlet of the filter cylinder, and the tail gas is filtered twice by the two activated carbon plates, so that particle impurities containing lead and carbon are blocked and adsorbed on one side of the activated carbon plate close to the engine, and the condition that the particles enter the air to reduce the air quality is reduced; meanwhile, a plurality of separation blades are arranged between the two activated carbon plates of the filter cartridge, so that the tail gas flows to the next stage after passing through the separation blades of the parts of the separation blades, the flow rate of the tail gas is reduced, the nitrogen oxide in the tail gas and the oxygen in the filter cartridge are fully reacted to form nitrogen dioxide, and the uniformity of the flow rate of the tail gas is improved.

The invention is further configured to: the liquid drainage device comprises a rotating cover, the rotating cover is rotatably connected with the lower part of the container bottle, a plurality of main through holes are penetrated through the inner bottom wall of the container bottle, a plurality of auxiliary through holes are penetrated through the rotating cover, and one end of the rotating cover, which is far away from the container bottle, is detachably connected with a collecting bottle for collecting liquid; when the rotating cover is rotated until the main through hole is aligned with the auxiliary through hole, the container bottle is communicated with the collecting bottle.

Through adopting above-mentioned technical scheme, rotate and rotate the lid to in the condition that the vice through-hole of control is just right each other with main through-hole, when rotating the lid, make vice through-hole just to the time with main through-hole each other, thereby make container bottle and receiving flask communicate with each other, and then be convenient for arrange to the receiving flask in with the sodium hydroxide solution that has reacted finishing in the container bottle, then the liquid bottle adds new sodium hydroxide solution to the container bottle in, thereby make the change of the solution in the container bottle easy and simple to handle.

The invention is further configured to: the liquid drainage device comprises sealing blocks, straight holes are formed in the inner bottom wall of the container bottle in a penetrating mode, the sealing blocks are in plug-in connection with the straight holes in a sealing mode, and springs for extruding the sealing blocks to seal the straight holes are arranged between the inner bottom wall of the container bottle and the sealing blocks; the container bottle can be dismantled and be connected with the collection liquid bottle, be provided with the push rod in the collection liquid bottle, work as the collection liquid with when the container bottle is connected, the push rod promotes sealed piece, the container bottle all with the collection liquid bottle is linked together.

By adopting the technical scheme, when the liquid collecting bottle is not installed, the spring is automatically compressed by utilizing the reset action of the spring and pulls the sealing block to be inserted and sealed with the straight hole so as to seal the inner bottom wall of the container bottle, so that the sealing operation of the container bottle is simple and convenient; when the installation liquid collecting bottle, when the outer peripheral face threaded connection of squeeze bottle and container bottle for the push rod promotes sealed piece, thereby make sealed piece to keeping away from the position removal in straight hole, thereby make sealed piece bottom and container bottle's interior bottom wall separate mutually, thereby make container bottle and liquid collecting bottle be linked together, so that the solution in the collection container bottle, add new sodium hydroxide solution in the liquid bottle to the container bottle through advancing the liquid bottle simultaneously, thereby make the change of the solution in the container bottle easy and simple to handle.

The invention is further configured to: the outside arch of outer peripheral face of container bottle has the ring piece, the inside confession of opening of inner peripheral surface that rotates the lid has the confession ring piece joint complex annular, the outside peripheral face of ring piece is inwards opened there is the circular arc groove, the tank bottom surface fixedly connected with stopper of annular, the stopper is located the circular arc inslot, when rotating the lid extremely the stopper with during the groove lateral wall butt in circular arc groove, main through-hole with vice through-hole is just to setting up.

Through adopting above-mentioned technical scheme, utilize the ring piece of container bottle outer peripheral face and the annular joint cooperation of the inner peripheral surface of rotating the lid to rotate the lid and rotate with the container bottle through the annular and be connected, simultaneously through setting up stopper and circular arc groove, through rotating certain angle, when making the inner wall in stopper and circular arc groove butt each other, thereby make vice through-hole and main through-hole be linked together, and then be convenient for the container bottle and be linked together with the collecting liquid bottle.

The invention is further configured to: the cross section of the inner bottom wall of the container bottle is gradually reduced towards the straight hole.

Through adopting above-mentioned technical scheme, with the cross-section orientation straight hole of the interior diapire of container bottle dwindle the setting gradually, when container bottle and drain were linked together, can accelerate the exhaust velocity of the solution in the container bottle, the interior diapire that is favorable to reducing the container bottle simultaneously remains unnecessary solution, and then is favorable to strengthening the purity of the solution in the container bottle.

The invention is further configured to: and a ball valve for opening and closing the liquid inlet bottle is arranged on a pipeline between the container bottle and the liquid inlet bottle.

Through adopting above-mentioned technical scheme, through setting up the ball valve so that the feed liquor bottle is led to the end to close, be favorable to reducing the direct and container bottle intercommunication of feed liquor bottle and reduce the purity of the sodium hydroxide solution that does not use in the feed liquor bottle, simultaneously, make the convenient operation of arranging the solution in the feed liquor bottle to the container bottle.

The invention is further configured to: and a plurality of hollow reaction balls are communicated with the pipeline between the container bottle and the filtering device.

Through adopting above-mentioned technical scheme, ask through setting up the reaction, be favorable to increasing the volume of the pipeline between container bottle and the filter equipment to nitrogen monoxide in the tail gas fully reacts with oxygen, thereby form nitrogen dioxide back row to the container bottle in, so that further eliminate the nitrogen oxide in the tail gas.

The invention is further configured to: the filtering device, the container bottles and the dryer are all provided with the same protective cover in an enclosing mode.

Through adopting above-mentioned technical scheme, because the temperature of tail gas is higher, through setting up the protection casing, be favorable to reducing during the staff maintenance process, the condition of injury human body to in the security of improvement operation.

The invention is further configured to: the protection casing includes mutual threaded connection's main safety cover and vice safety cover, filter equipment is located in the vice safety cover, the container bottle pass through the pipeline with peg graft in the cartridge filter, vice safety cover with the coaxial setting of cartridge filter.

Through adopting above-mentioned technical scheme, filter equipment is located vice safety cover, when separating vice safety cover and main safety cover for the cartridge filter separates with the vessel bottle simultaneously, and then makes the easy and simple to handle of the active carbon board of washing or changing in the cartridge filter.

In conclusion, the invention has the following beneficial effects:

1. the filtering device and the container bottle are arranged, so that lead and carbon particles, nitrogen oxides and sulfur dioxide gas in the tail gas can be eliminated after the tail gas passes through the filtering device and the container bottle, and carbon monoxide and hydrocarbon can be extracted;

2. the rotating cover and the collecting bottle are arranged, so that the container bottle is communicated with the collecting bottle by rotating the rotating cover, and the operation of discharging the solution in the container bottle into the collecting bottle is simple and convenient; meanwhile, by arranging the sealing block, the straight hole, the spring and the push rod, when the liquid collecting bottle is connected with the container bottle, the push rod pushes the sealing block, so that the container bottle is communicated with the liquid collecting bottle, the operation of discharging the solution in the container bottle into the collecting bottle is simple and convenient, and the sealing block is inserted into the sealing straight hole by utilizing the resetting action of the spring;

3. the collecting box is arranged to collect carbon monoxide and hydrocarbon gas, and the carbon monoxide and the hydrocarbon gas are conveniently discharged into the engine by controlling the electric control valve, so that the pressure of the chamber of the engine is increased, the utilization rate of the tail gas discharged by the engine is improved, and the effects of energy conservation and emission reduction are achieved.

Drawings

FIG. 1 is an overall schematic view of embodiment 1;

FIG. 2 is a schematic view of the overall structure of the embodiment 1 from another perspective;

FIG. 3 is a schematic view showing a connection structure of the engine and the filter device according to embodiment 1;

FIG. 4 is a sectional view showing a connecting structure of the engine and the filter device according to embodiment 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a sectional view showing a connecting structure of the engine and the filter device according to embodiment 2;

fig. 7 is a partial enlarged view of fig. 6 at B.

Reference numerals: 1. a vehicle body; 2. an engine; 21. an exhaust pipe; 22. a control tube; 221. an electrically controlled valve; 3. a filtration device; 31. a filter cartridge; 311. an activated carbon plate; 312. a baffle plate; 32. an air inlet pipe; 4. a container bottle; 41. a connecting pipe; 42. reaction balls; 43. a main through hole; 44. a ring block; 441. an arc groove; 45. a communicating pipe; 46. a straight hole; 47. a sealing block; 48. a spring; 5. a liquid discharge device; 51. rotating the cover; 511. a secondary through hole; 512. a ring groove; 513. a limiting block; 52. a collection bottle; 53. a liquid collecting bottle; 531. a push rod; 6. a liquid inlet bottle; 61. a ball valve; 7. a dryer; 71. a drying tube; 8. a protective cover; 81. a main protective cover; 82. a secondary protective cover; 9. a collection box; 91. an air outlet pipe; 911. a one-way valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.