CN213492623U

CN213492623U - Aircraft tail gas purification device for aerospace

Info

Publication number: CN213492623U
Application number: CN202022238764.8U
Authority: CN
Inventors: 吴建
Original assignee: Suzhou Meiruishi Tech Co ltd
Current assignee: Suzhou Meiruishi Tech Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-22
Anticipated expiration: 2030-10-10

Abstract

The utility model belongs to the technical field of aircraft tail gas treatment, in particular to an aircraft tail gas purification device for aerospace, which comprises a purification cylinder, wherein the left end of the purification cylinder is provided with an air inlet pipe, and the right end of the purification cylinder is penetrated with an air outlet pipe; a filter screen, an active carbon adsorption layer and a fixed rod are arranged in the purification cylinder; one side of the filter screen is provided with a cleaning mechanism, and the bottom of the purifying cylinder is provided with a containing mechanism; the purifying cylinder is provided with a through hole; the exhaust fan is installed on the fixed rod, the tail gas detector is installed inside the inner end of the air outlet pipe, return pipes are communicated with the upper side and the lower side of the air outlet pipe, and the return pipes are located on one side, facing the outer end of the air outlet pipe, of the tail gas detector; one end of the return pipe extends to the outside of the purification cylinder and is inserted into the purification cylinder again from the space between the filter screen and the active carbon adsorption layer; a first control valve is arranged on the return pipe, and a second control valve is arranged on the air outlet pipe; the utility model discloses purifying effect is good, complete, and is convenient for clear up the filter screen, can accelerate the purification efficiency of tail gas.

Description

Aircraft tail gas purification device for aerospace

Technical Field

The utility model relates to an aircraft tail gas treatment technical field specifically is an aircraft tail gas cleanup unit that aerospace used.

Background

The aircraft is an aircraft which is heavier than air and has forward thrust or pull force generated by a power device with one or more engines, lift force is generated by a fixed wing of a fuselage, and the aircraft flies in the atmosphere.

The existing aircraft tail gas purification device for aerospace has poor tail gas purification effect, and the discharged gas still contains harmful gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft tail gas cleanup unit that aerospace used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the aircraft tail gas purification device for aerospace comprises a purification cylinder, wherein the left end of the purification cylinder is provided with a gas inlet pipe, and the right end of the purification cylinder is fixedly penetrated with a gas outlet pipe; a filter screen, an active carbon adsorption layer and a fixed rod are sequentially arranged in the purification cylinder from the air inlet pipe to the air outlet pipe; a cleaning mechanism is arranged on one side of the filter screen facing the air inlet pipe, and a containing mechanism for receiving dust is arranged at the bottom of the purifying cylinder; the purifying cylinder is provided with a through hole for communicating the containing mechanism; the exhaust fan is installed on the fixed rod, the tail gas detector is installed inside the inner end of the air outlet pipe, return pipes are communicated with the upper side and the lower side of the air outlet pipe, and the return pipes are located on one side, facing the outer end of the air outlet pipe, of the tail gas detector; one end of the return pipe, which is far away from the air outlet pipe, extends to the outside of the purification cylinder and is inserted into the purification cylinder again from the space between the filter screen and the active carbon adsorption layer.

Preferably, a first control valve is installed on the return pipe.

Preferably, the outlet pipe is provided with a second control valve.

Preferably, clearance mechanism includes the elevator, and the lead screw has been run through to the inside of elevator, and the top and the purification section of thick bamboo top inner wall of lead screw rotate to be connected, and the top fixed mounting of purification section of thick bamboo has and is used for driving lead screw pivoted driving motor, and the elevator is equipped with the cleaning brush towards one side of filter screen.

Preferably, the upper end and the lower end of the lifting block are provided with threaded through holes which are communicated with each other and used for sleeving the screw rod.

Preferably, the storage mechanism comprises a storage shell, the tops of two sides of the storage shell are fixedly connected with lug plates, and the lug plates are fixedly connected with the purification cylinder through fixing bolts.

Preferably, the activated carbon adsorption layer is provided with a plurality of, and a plurality of activated carbon adsorption layers are arranged at equal intervals.

Preferably, install the controller on the inner wall of purifying cylinder, the controller is electric connection with tail gas detector, first control valve and second control valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can remove dust, filter and purify the tail gas discharged by the airplane through the arranged filter screen and the plurality of activated carbon adsorption layers of the spacing device, has good purification effect and reduces the pollution to the air; the tail gas detector sets up on the outlet duct, can detect the tail gas after handling, and substandard gas passes through return pipe recovery gas, carries out filtration purification through the active carbon adsorption layer once more, and the purifying effect of tail gas can effectively be guaranteed to substandard gas direct discharge from the outlet duct.

2. The utility model discloses a start driving motor, driving motor drives the lead screw and rotates, and then makes the lifting block of screw thread cover outside the lead screw can move along the lead screw, and the lifting block drives the cleaning brush and moves along the filter screen, can clear up the dust that covers on the filter screen or block up on the filter screen mesh, avoids the mesh of filter screen to block up and influence gaseous purification efficiency; the dust of clearance gets into through the through-hole and accomodates the interior collection of concentrating of shell, and accomodates the shell and pass through fixing bolt and a purification section of thick bamboo fixed connection, easy dismounting, the dust in the shell is accomodate in the clearance of being convenient for.

3. The utility model discloses an installation suction fan in purifying cylinder can accelerate gaseous flow rate, and then can improve gaseous purification efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the lifting block of the present invention.

In the figure: 1. a purification cartridge; 2. an air inlet pipe; 3. an air outlet pipe; 4. a filter screen; 5. an activated carbon adsorption layer; 6. fixing the rod; 7. a through hole; 8. an air suction fan; 9. an exhaust gas detector; 10. a return pipe; 11. a first control valve; 12. a second control valve; 13. a lifting block; 14. a screw rod; 15. a drive motor; 16. a cleaning brush; 17. a threaded through hole; 18. a housing case; 19. an ear plate; 20. fixing the bolt; 21. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: an aircraft tail gas purification device for aerospace comprises a purification cylinder 1, wherein the left end of the purification cylinder 1 is provided with a gas inlet pipe 2, and the right end of the purification cylinder 1 is fixedly penetrated with a gas outlet pipe 3; a filter screen 4, an active carbon adsorption layer 5 and a fixed rod 6 are sequentially arranged in the purification cylinder 1 from the air inlet pipe 2 to the air outlet pipe 3; a cleaning mechanism is arranged on one side of the filter screen 4 facing the air inlet pipe 2, and a containing mechanism for receiving dust is arranged at the bottom of the purifying cylinder 1; the purifying cylinder 1 is provided with a through hole 7 for communicating the containing mechanism; the fixed rod 6 is provided with a suction fan 8, the inner part of the inner end of the air outlet pipe 3 is provided with a tail gas detector 9, the upper side and the lower side of the air outlet pipe 3 are both communicated with a return pipe 10, and the return pipe 10 is positioned on one side of the tail gas detector 9 facing the outer end of the air outlet pipe 3; one end of the return pipe 10, which is far away from the air outlet pipe 3, extends to the outside of the purification cylinder 1 and is inserted into the purification cylinder 1 again from between the filter screen 4 and the activated carbon adsorption layer 5.

Further, a first control valve 11 is installed on the return pipe 10.

Further, a second control valve 12 is mounted on the outlet pipe 3.

Further, clearance mechanism includes elevator 13, and elevator 13's inside is run through there is the lead screw 14, and the top of lead screw 14 rotates with purification section of thick bamboo 1 top inner wall to be connected, and purification section of thick bamboo 1's top fixed mounting has and is used for driving lead screw 14 pivoted driving motor 15, and elevator 13 is equipped with cleaning brush 16 towards one side of filter screen 4.

Further, the upper end and the lower end of the lifting block 13 are provided with threaded through holes 17 which are communicated with each other and used for sleeving the screw rod 14.

Further, the containing mechanism comprises a containing shell 18, the top parts of the two sides of the containing shell 18 are fixedly connected with lug plates 19, and the lug plates 19 are fixedly connected with the purifying cylinder 1 through fixing bolts 20.

Further, activated carbon adsorption layer 5 is equipped with a plurality of, and a plurality of activated carbon adsorption layer 5 is equidistant to be set up.

Further, a controller 21 is installed on the inner wall of the purifying cylinder 1, and the controller 21 is electrically connected with the tail gas detector 9, the first control valve 11 and the second control valve 12.

The working principle is as follows: when the device is used, the air inlet pipe 2 in the purification device is fixed at the tail gas discharge port of an airplane, the tail gas of the airplane is dedusted, filtered and purified through the filter screen 4 and the active carbon adsorption layers 5 of the spacing device, the purified gas enters the air outlet pipe 3 and is detected through the tail gas detector 9, the detection result is transmitted to the controller 21, when the gas does not reach the standard, the controller 21 controls the first control valve 11 to be opened, the gas enters the front side of the active carbon adsorption layer 5 again through the return pipe 10 and is filtered and purified through the active carbon adsorption layers 5 again, when the gas reaches the standard, the controller 21 controls the second control valve 12 to be opened, the gas is directly discharged from the air outlet pipe, and the tail gas purification effect can be effectively ensured;

when the filter screen 4 is cleaned, the driving motor 15 is started, the output end of the driving motor 15 drives the screw rod 14 to rotate, so that the lifting block 13 which is sleeved outside the screw rod 14 in a threaded manner can move along the screw rod 14, the lifting block 13 drives the cleaning brush 16 to move along the filter screen 4, dust which is covered on the filter screen 4 or is blocked on meshes of the filter screen 4 can be cleaned, and the influence on the gas purification efficiency caused by the blockage of the meshes of the filter screen 4 is avoided; the cleaned dust enters the containing shell 18 through the through hole 7 to be collected in a centralized manner, and the containing shell 18 is fixedly connected with the purifying cylinder 1 through the fixing bolt 20, so that the dust collecting device is convenient to assemble and disassemble and is convenient to clean the dust in the containing shell 18;

through installing aspiration fan 8 in purifying section of thick bamboo 1, can accelerate gaseous flow velocity, and then can improve gaseous purification efficiency.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The aircraft tail gas purification device for aerospace is characterized by comprising a purification cylinder (1), wherein the left end of the purification cylinder (1) is provided with a gas inlet pipe (2), and the right end of the purification cylinder (1) is fixedly penetrated with a gas outlet pipe (3); a filter screen (4), an active carbon adsorption layer (5) and a fixed rod (6) are sequentially arranged in the purification cylinder (1) from the air inlet pipe (2) to the air outlet pipe (3); a cleaning mechanism is arranged on one side of the filter screen (4) facing the air inlet pipe (2), and a containing mechanism for receiving dust is installed at the bottom of the purifying cylinder (1); a through hole (7) for communicating the containing mechanism is formed in the purifying cylinder (1); the exhaust fan (8) is installed on the fixed rod (6), the tail gas detector (9) is installed inside the inner end of the air outlet pipe (3), the upper side and the lower side of the air outlet pipe (3) are communicated with the return pipes (10), and the return pipes (10) are located on one side, facing the outer end of the air outlet pipe (3), of the tail gas detector (9); one end of the return pipe (10), which is far away from the air outlet pipe (3), extends to the outside of the purification cylinder (1) and is inserted into the purification cylinder (1) again between the filter screen (4) and the active carbon adsorption layer (5).

2. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: a first control valve (11) is mounted on the return pipe (10).

3. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: and a second control valve (12) is arranged on the air outlet pipe (3).

4. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: the cleaning mechanism comprises a lifting block (13), a screw rod (14) penetrates through the inside of the lifting block (13), the top end of the screw rod (14) is rotatably connected with the inner wall of the top of the purifying cylinder (1), a driving motor (15) used for driving the screw rod (14) to rotate is fixedly mounted at the top of the purifying cylinder (1), and a cleaning brush (16) is arranged on one side, facing the filter screen (4), of the lifting block (13).

5. An aerospace aircraft exhaust gas purification device, according to claim 4, wherein: the upper end and the lower end of the lifting block (13) are provided with threaded through holes (17) which are communicated with each other and used for sleeving the screw rod (14).

6. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: the storage mechanism comprises a storage shell (18), wherein lug plates (19) are fixedly connected to the tops of two sides of the storage shell (18), and the lug plates (19) are fixedly connected with the purification cylinder (1) through fixing bolts (20).

7. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: the activated carbon adsorption layer (5) is provided with a plurality of activated carbon adsorption layers (5) which are arranged at equal intervals.

8. An aerospace aircraft exhaust gas purification device, according to claim 1, wherein: install controller (21) on the inner wall of purifying cylinder (1), controller (21) and tail gas detection appearance (9), first control valve (11) and second control valve (12) are electric connection.