Preparation device of biological aviation fuel

Abstract

The invention relates to the technical field of aviation fuel preparation, and discloses a biological aviation fuel preparation device which comprises a stirring box, stirring cavities are formed in the two sides of the interior of the stirring box, the inner sides of the stirring cavities are in transmission connection with stirring mechanisms through horizontal transmission mechanisms, and the stirring mechanisms comprise lead screws; the problems that a stirring structure is single, the effect of uniformly mixing aviation fuel cannot be achieved, scaling attached to the inner wall of a stirring box influences the heating efficiency, fuel heating needs to be stopped when the inner wall is cleaned, and fuel preparation is influenced are solved. By arranging the vertical transmission mechanism, the vertical shaft can enlarge the fuel stirring range, the fuel mixing effect is further improved, meanwhile, the inner wall of the stirring cavity can be cleaned under the condition that fuel preparation is not stopped, and discharged gas can be prevented from polluting the environment.

Description

Technical Field

[0001] The invention relates to the technical field of aviation fuel preparation, in particular to a device for preparing bio-aviation fuel. Background Art

[0002] Aviation fuel refers to some types of fuel specially designed for aircraft. It is of higher quality than the fuel used in heating systems and cars, and usually contains different additives to reduce the risk of freezing and explosion due to high temperatures. Aviation fuel needs to be stirred by a blending pump during the preparation process. Agitators account for a large proportion of blending pump devices, and their main function is to provide a place for material mixing or chemical reaction.

[0003] After searching the Chinese invention patent with publication number CN211069764U, it is disclosed that an internal stirring device of a blending pump for aviation fuel preparation is disclosed, including a stirring body and a rotating rod, a stirring motor is installed at the middle position of the top of the stirring body, an infusion pump is installed on one side of the stirring motor, and a feeding funnel is provided on the other side of the stirring motor. A shower head is provided at the top of the inner top of the stirring body near the feeding funnel, a suction fan is installed at the upper end of the side of the stirring body, and the air inlet of the suction fan is connected to the stirring body through a conduit, and the upper, middle and lower ends of the rotating rod are respectively installed with second-stage stirring blades, third-stage stirring blades and first-stage stirring blades, the rotating rod is rotationally connected to the stirring motor, and a screen is fixedly installed below the second-stage stirring blade.

[0004] However, the above-mentioned device has a relatively simple structure for stirring aviation fuel, and the stirring structure is fixed, which cannot achieve the effect of uniformly mixing the aviation fuel. In addition, when preparing aviation fuel, it needs to be heated, and scaling is easy to form when heated. The scaling adheres to the inner wall of the stirring box, which affects the heating efficiency. The inner wall of the stirring box needs to be cleaned regularly. When cleaning the inner wall, the fuel heating needs to be stopped, which affects the preparation of the fuel. Therefore, it does not meet the existing needs. In this regard, we propose a preparation device for bio-aviation fuel. Summary of the invention

[0005] The object of the present invention is to provide a device for preparing bio-aviation fuel, so as to solve the problems that the above-mentioned device proposed in the above-mentioned background technology has a relatively simple structure for stirring aviation fuel, the stirring structure is fixed, and the aviation fuel cannot be evenly mixed. In addition, when preparing aviation fuel, heating is required, and scaling is easy to form under heating. The scaling adheres to the inner wall of the stirring box, which affects the heating efficiency. The inner wall of the stirring box needs to be cleaned regularly. When cleaning the inner wall, the heating of the fuel needs to be stopped, thereby affecting the preparation of the fuel.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for preparing bio-aviation fuel, comprising a stirring box, stirring chambers are arranged on both sides of the interior of the stirring box, a stirring mechanism is connected to the inner side of the stirring chamber through a horizontal transmission mechanism, the stirring mechanism comprises a screw, a plurality of threaded blocks are evenly sleeved on the outer surface of the screw, an annular shell is arranged on the outer side of the screw, a plurality of transverse shafts are evenly arranged on both sides of the outer surface of the annular shell, the transverse shafts are rotationally connected to the threaded blocks through a vertical transmission mechanism, an inner wall cleaning mechanism is installed at the lower part of the interior of the stirring chamber through a cavity, the inner wall cleaning mechanism comprises a base, a circular groove is arranged on the upper end surface of the base, a sieve plate is rotatably arranged on the inner side of the circular groove, and arc scrapers are fixedly installed on both sides of the upper end surface of the sieve plate.

[0007] Preferably, support columns are installed at the four end corners of the lower end surface of the mixing box, observation windows are installed on both sides of the front end surface of the mixing box, feed ports are installed on both sides of the upper end surface of the mixing box, the upper end surface of the feed port is connected to a sealing cover through a thread, the lower end surface of the feed port extends to the interior of the mixing chamber, and a heating wire is installed on the inner wall of the mixing box.

[0008] Preferably, a motor A is installed on the upper end surface of the horizontal transmission mechanism, a short shaft is fixedly connected to the output end of the motor A, the lower end surface of the short shaft is rotatably connected to the upper end surface of the mixing box via a bearing, a gear C is sleeved on the outer surface of the short shaft, and the horizontal transmission mechanism includes a shell, a rotating shaft is arranged on both sides of the shell, and gears A are arranged above the rotating shaft.

[0009] Preferably, a positioning column is installed on the lower end surface of the gear A, a positioning hole is installed on the upper end surface of the rotating shaft, and a plurality of protrusions are provided on the outer surface of the positioning column. An electric push rod is installed above the gear A, and the electric push rod is rotatably connected to the gear A through a bearing. A conveyor belt is sleeved on the outer surfaces of the two rotating shafts and the gear C.

[0010] Preferably, a plurality of saw teeth are evenly installed on the inner surface of the conveyor belt, and the saw teeth are meshed with the rotating shaft and the gear C, the lower end face of the rotating shaft is fixedly connected to the upper end face of the screw rod, the lower end face of the rotating shaft is rotatably connected to the upper end face of the annular shell through a bearing, the upper end face of the mixing box is provided with a transmission groove, and the lower end of the conveyor belt is stuck in the inner side of the transmission groove.

[0011] Preferably, the threaded block is threadedly connected to the screw rod, a plurality of slide grooves are evenly arranged on both sides of the outer surface of the annular shell, and the transverse axis slides on the inner side of the slide groove, and the lower end surface of the screw rod and the annular shell are rotatably connected to the upper end surface of the screen plate through a bearing.

[0012] Preferably, the vertical transmission mechanism includes a gear B and a rack, the gear B is sleeved on one end of the outer surface of the horizontal axis, the rack is located behind the gear B, and the gear B is meshed with the rack, and the rack is fixedly connected to the top surface of the inner wall of the stirring chamber.

[0013] Preferably, the vertical axes on the outer surfaces of the upper and lower adjacent horizontal axes are respectively cross-arranged, the horizontal axis is rotatably connected to the outer surface of the threaded block via a bearing, the front and rear end surfaces of the horizontal axis are both equipped with clamping blocks, the front and rear inner walls of the slide groove are both provided with clamping grooves, and the clamping blocks are clamped into the inner side of the clamping grooves.

[0014] Preferably, a plurality of filter holes are evenly arranged on both sides of the upper end surface of the sieve plate, a motor B is installed through a motor cavity at the lower part of the base, the output end of the motor B is fixedly connected to the lower end surface of the sieve plate through a connecting shaft, the outer surface of the arc scraper is fitted with the inner wall of the stirring chamber, four feed pipes are evenly installed on the lower end surface of the stirring box, an electromagnetic valve is installed on the inner side of the feed pipe, and the feed pipe passes through the base.

[0015] Preferably, an air pump is installed on the rear end face of the mixing box, and the air pump is connected to the two mixing chambers through two exhaust pipes respectively, and a one-way valve is installed on the inner side of the exhaust pipe. An exhaust pipe is installed above the rear end face of the gas purification device, and the exhaust pipe is connected to the mixing chamber through a connecting pipe. The gas purification device includes, from bottom to top, a first activated carbon filter layer, a second activated carbon filter layer, a disinfectant filter layer, a desiccant filter layer, and a UV ultraviolet sterilization layer.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention is provided with a horizontal transmission mechanism, a stirring mechanism, and a vertical transmission mechanism. After the solid aviation fuel and the liquid aviation fuel are mixed, they are added into the stirring box through the feed port. The switch of the motor A is turned on. The motor A can drive the short shaft to rotate, thereby driving the gear C to rotate, driving the conveyor belt to transmit, driving the gear A to rotate, thereby driving the rotating shaft to rotate, driving the screw to rotate, and when the threaded block moves up and down on the outer surface of the screw, it will drive the horizontal shaft and the gear B to move up and down. The gear B is meshed with the rack, and the gear B will rotate, thereby driving the horizontal shaft to rotate and the vertical shaft to rotate. At this time, the vertical shaft moves up and down and rotates at the same time, so that the vertical shaft can expand the range of fuel stirring, thereby improving the mixing effect of the fuel;

[0018] 2. The present invention is provided with two stirring chambers, and the bottom of each stirring chamber is provided with an inner wall cleaning mechanism. When the inner wall of one of the stirring chambers needs to be cleaned, the corresponding electric push rod can be controlled to drive the gear A to move upward, and the gear A leaves the top of the rotating shaft. At this time, the motor A will not drive the rotating shaft to rotate, and the screw will not rotate. The switch of the motor B can be turned on, and the motor B can drive the sieve plate to rotate, thereby driving the arc scraper to rotate. The arc scraper can scrape the scale attached to the inner wall of the stirring chamber, while the other stirring chamber is still mixing and preparing the fuel. The present invention can clean the inner wall of the stirring chamber without stopping the preparation of the fuel, thereby ensuring the preparation efficiency;

[0019] 3. The present invention is provided with a gas purification device. By turning on the air pump, the gas generated during stirring can pass through the gas purification device through the exhaust pipe. The gas is adsorbed, disinfected and dried by activated carbon. After being disinfected by ultraviolet rays, some pathogens can be prevented from being spread through the air or on the surface of objects. The gas is then discharged from the mixing box through the exhaust pipe to prevent the exhausted gas from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a main cross-sectional view of the present invention as a whole;

[0022] Figure 3 It is a main cross-sectional view of the horizontal transmission mechanism of the present invention;

[0023] Figure 4 It is a partial structural schematic diagram of the stirring mechanism of the present invention;

[0024] Figure 5 is a main cross-sectional view of the stirring mechanism of the present invention;

[0025] Figure 6 It is a partial structural schematic diagram of the inner wall cleaning mechanism of the present invention;

[0026] Figure 7 It is a side view of the present invention as a whole.

[0027] In the figure: 1. mixing box; 2. feeding port; 3. horizontal transmission mechanism; 301. shell; 302. electric push rod; 303. conveyor belt; 304. gear A; 305. sawtooth; 306. rotating shaft; 4. motor A; 5. vertical transmission mechanism; 501. gear B; 502. rack; 6. mixing mechanism; 601. horizontal axis; 602. vertical axis; 603. slide; 604. annular shell; 605. screw rod; 606. threaded block; 7. mixing chamber; 8. inner wall cleaning mechanism; 801. base; 802. arc scraper; 803. circular groove; 804. sieve plate; 805. filter hole; 806. motor B; 9. feeding pipe; 10. air pump; 11. exhaust pipe; 12. gas purification device. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] The motor A4 (model YS7134), the motor B806 (model 68KTYZ) and the air pump 10 (model 2XZ-0.25) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0030] See also Figures 1 to 7 An embodiment of the present invention is as follows: a device for preparing bio-aviation fuel comprises a stirring box 1, stirring chambers 7 are arranged on both sides of the stirring box 1, a stirring mechanism 6 is connected to the inner side of the stirring chamber 7 through a horizontal transmission mechanism 3, the stirring mechanism 6 comprises a screw 605, a plurality of threaded blocks 606 are evenly sleeved on the outer surface of the screw 605, an annular shell 604 is arranged on the outer side of the screw 605, a plurality of transverse shafts 601 are evenly arranged on both sides of the outer surface of the annular shell 604, the transverse shaft 601 and the threaded blocks 606 are rotationally connected through a vertical transmission mechanism 5, an inner wall cleaning mechanism 8 is installed below the stirring chamber 7 through a cavity, the inner wall cleaning mechanism 8 comprises a base 801, a circular groove 803 is arranged on the upper end surface of the base 801, a sieve plate 804 is rotatably arranged on the inner side of the circular groove 803, arc-shaped scrapers 802 are fixedly installed on both sides of the upper end surface of the sieve plate 804, and a gas purification device 12 is installed on the rear end surface of the stirring box 1.

[0031] Furthermore, support columns are installed at the four end corners of the lower end face of the mixing box 1, observation windows are installed on both sides of the front end face of the mixing box 1, and feed ports 2 are installed on both sides of the upper end face of the mixing box 1. The upper end face of the feed port 2 is connected to a sealing cover through a thread, and the lower end face of the feed port 2 extends to the interior of the mixing chamber 7. The inner wall of the mixing box 1 is installed with a heating wire.

[0032] The upper end surface of the horizontal transmission mechanism 3 is installed with a motor A4, the output end of the motor A4 is fixedly connected with a short shaft, the lower end surface of the short shaft is rotatably connected with the upper end surface of the mixing box 1 through a bearing, and the outer surface of the short shaft is sleeved with a gear C. The horizontal transmission mechanism 3 includes a housing 301, and rotating shafts 306 are arranged on both sides of the housing 301, and gears A304 are arranged above the rotating shafts 306;

[0033] A positioning column is installed on the lower end surface of the gear A304, a positioning hole is installed on the upper end surface of the rotating shaft 306, and a plurality of protrusions are arranged on the outer surface of the positioning column. An electric push rod 302 is installed above the gear A304, and the electric push rod 302 is rotatably connected with the gear A304 through a bearing. A conveyor belt 303 is sleeved on the outer surfaces of the two rotating shafts 306 and the gear C.

[0034] A plurality of saw teeth 305 are evenly installed on the inner surface of the conveyor belt 303, and the saw teeth 305 are meshed with the rotating shaft 306 and the gear C. The lower end face of the rotating shaft 306 is fixedly connected to the upper end face of the screw rod 605, and the lower end face of the rotating shaft 306 is rotatably connected to the upper end face of the annular shell 604 through a bearing. When the motor A4 is working, it can drive the short shaft to rotate, thereby driving the gear C to rotate, driving the conveyor belt 303 to transmit, driving the gear A304 to rotate, and thus driving the rotating shaft 306 to rotate. By controlling the switch of the electric push rod 302, the electric push rod 302 can drive the gear A304 to move up and down.

[0035] Furthermore, the threaded block 606 is threadedly connected to the screw rod 605, and multiple slide grooves 603 are evenly arranged on both sides of the outer surface of the annular shell 604, and the horizontal axis 601 slides on the inner side of the slide groove 603. The lower end surface of the screw rod 605 and the annular shell 604 are rotatably connected to the upper end surface of the sieve plate 804 through bearings. A transmission groove is arranged on the upper end surface of the mixing box 1, and the lower end of the conveyor belt 303 is inserted into the inner side of the transmission groove. The rotation of the screw rod 605 can drive the threaded block 606 to move up and down on the outer surface of the screw rod 605.

[0036] The vertical transmission mechanism 5 includes a gear B501 and a rack 502. The gear B501 is sleeved on one end of the outer surface of the horizontal shaft 601. The rack 502 is located behind the gear B501, and the gear B501 is meshed with the rack 502. The rack 502 is fixedly connected to the top surface of the inner wall of the stirring chamber 7. When the threaded block 606 moves up and down on the outer surface of the screw rod 605, it will drive the horizontal shaft 601 and the gear B501 to move up and down. The gear B501 is meshed with the rack 502, and the gear B501 will rotate, thereby driving the horizontal shaft 601 to rotate and driving the vertical shaft 602 to rotate.

[0037] The vertical axes 602 on the outer surfaces of the upper and lower adjacent horizontal axes 601 are respectively arranged crosswise, and the horizontal axis 601 is rotatably connected to the outer surface of the threaded block 606 through a bearing. Blocks are installed on the front and rear end surfaces of the horizontal axis 601, and slots are arranged on the front and rear of the inner wall of the slide groove 603, and the blocks are inserted into the inner side of the slots to avoid the vertical axes 602 on the outer surfaces of the upper and lower adjacent horizontal axes 601 from colliding with each other during rotation, thereby improving the stability of the up and down movement of the horizontal axis 601.

[0038] A plurality of filter holes 805 are evenly arranged on both sides of the upper end surface of the sieve plate 804, a motor B806 is installed through the motor cavity at the lower part of the base 801, the output end of the motor B806 is fixedly connected to the lower end surface of the sieve plate 804 through a connecting shaft, the outer surface of the arc scraper 802 is fitted with the inner wall of the stirring chamber 7, four discharge pipes 9 are evenly installed on the lower end surface of the mixing box 1, an electromagnetic valve is installed on the inner side of the discharge pipe 9, the discharge pipe 9 runs through the base 801, the motor B806 can drive the sieve plate 804 to rotate, thereby driving the arc scraper 802 to rotate, and the arc scraper 802 can scrape the scale attached to the inner wall of the stirring chamber 7.

[0039] An air pump 10 is installed on the rear end face of the mixing box 1. The air pump 10 is connected to the two mixing chambers 7 through two exhaust pipes respectively. A one-way valve is installed on the inner side of the exhaust pipe. An exhaust pipe 11 is installed above the rear end face of the gas purification device 12. The exhaust pipe 11 is connected to the mixing chamber 7 through a connecting pipe. The gas purification device 12 includes a first activated carbon filter layer, a second activated carbon filter layer, a disinfectant filter layer, a desiccant filter layer, and a UV ultraviolet sterilization layer from bottom to top. The air pump 10 can be turned on to discharge the gas generated during mixing outside the mixing box 1 through the exhaust pipe 11 after purification by the gas purification device 12, so as to avoid pollution of the environment by the exhausted gas.

[0040] When the bio-aviation fuel preparation device is used, the solid aviation fuel and the liquid aviation fuel are mixed by the horizontal transmission mechanism 3, the stirring mechanism 6, and the vertical transmission mechanism 5. The solid aviation fuel and the liquid aviation fuel are added into the stirring box 1 through the feed port 2. The switch of the motor A4 is turned on. The motor A4 can drive the short shaft to rotate, thereby driving the gear C to rotate, driving the conveyor belt 303 to transmit, driving the gear A304 to rotate, thereby driving the rotating shaft 306 to rotate, driving the screw rod 605 to rotate, and when the threaded block 606 moves up and down on the outer surface of the screw rod 605, it will drive the horizontal shaft 601 and the gear B50 1 moves up and down, gear B501 meshes with rack 502, gear B501 rotates, thereby driving horizontal axis 601 to rotate, driving vertical axis 602 to rotate, at this time vertical axis 602 moves up and down, and rotates at the same time, so that vertical axis 602 can expand the range of fuel stirring, thereby improving the mixing effect of the fuel, by providing two stirring chambers 7, and the bottom of the stirring chamber 7 is provided with an inner wall cleaning mechanism 8, when it is necessary to clean the inner wall of one of the stirring chambers 7, the switch of the corresponding electric push rod 302 can be controlled, and the operation of the electric push rod 302 can drive gear A 304 moves upward, gear A304 leaves the top of rotating shaft 306, at this time, motor A4 does not drive rotating shaft 306 to rotate, screw 605 does not rotate, the switch of motor B806 can be turned on, motor B806 can drive sieve plate 804 to rotate, thereby driving arc scraper 802 to rotate, arc scraper 802 can scrape the scale attached to the inner wall of stirring chamber 7, while the other stirring chamber 7 is still mixing and preparing fuel, so as to ensure the preparation efficiency, and by providing gas purification device 12, the stirring chamber 7 can be turned on by turning on air pump 10. The gas generated in the mixing box enters the gas purification device through the exhaust pipe, and the gas is adsorbed, disinfected and dried by activated carbon. After being disinfected by ultraviolet rays, some pathogens can be prevented from being spread through the air or through the surface of objects. The gas is then discharged out of the mixing box 1 through the exhaust pipe 11 to avoid the exhaust gas from polluting the environment. The present invention is provided with a vertical transmission mechanism 5, so that the vertical axis 602 can expand the range of fuel stirring, thereby improving the mixing effect of the fuel. At the same time, the inner wall of the mixing chamber can be cleaned without stopping the preparation of the fuel, and the exhaust gas can be prevented from polluting the environment.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A device for preparing bio-aviation fuel, comprising a mixing tank (1), characterized in that: Stirring chambers (7) are arranged on both sides of the interior of the stirring box (1); the inner side of the stirring chamber (7) is connected to a stirring mechanism (6) via a horizontal transmission mechanism (3); the stirring mechanism (6) comprises a screw (605); a plurality of threaded blocks (606) are evenly sleeved on the outer surface of the screw (605); an annular shell (604) is arranged on the outer side of the screw (605); a plurality of transverse axes (601) are evenly arranged on both sides of the outer surface of the annular shell (604); the transverse axes (601) are connected to the threaded blocks (606) and the screws (605) are connected to the screws (605). The block (606) is rotatably connected via a vertical transmission mechanism (5); an inner wall cleaning mechanism (8) is installed at the lower part of the interior of the stirring chamber (7) through a cavity; the inner wall cleaning mechanism (8) comprises a base (801); a circular groove (803) is provided on the upper end surface of the base (801); a sieve plate (804) is rotatably provided on the inner side of the circular groove (803); arc-shaped scrapers (802) are fixedly installed on both sides of the upper end surface of the sieve plate (804); and a gas purification device (12) is installed on the rear end surface of the stirring box (1).

2. The bio-aviation fuel preparation device according to claim 1, characterized in that: Support columns are installed at the four end corners of the lower end face of the stirring box (1), observation windows are installed on both sides of the front end face of the stirring box (1), and feed ports (2) are installed on both sides of the upper end face of the stirring box (1). The upper end face of the feed port (2) is connected to a sealing cover via a thread, and the lower end face of the feed port (2) extends to the interior of the stirring chamber (7). A heating wire is installed on the inner wall of the stirring box (1).

3. The device for preparing bio-aviation fuel according to claim 1, characterized in that: The upper end surface of the horizontal transmission mechanism (3) is mounted with a motor A (4), the output end of the motor A (4) is fixedly connected with a short shaft, the lower end surface of the short shaft is rotatably connected with the upper end surface of the mixing box (1) via a bearing, the outer surface of the short shaft is sleeved with a gear C, and the horizontal transmission mechanism (3) comprises a housing (301), rotating shafts (306) are arranged on both sides of the housing (301), and gears A (304) are arranged above the rotating shafts (306).

4. The device for preparing bio-aviation fuel according to claim 3, characterized in that: A positioning column is installed on the lower end surface of the gear A (304), a positioning hole is installed on the upper end surface of the rotating shaft (306), and a plurality of protrusions are arranged on the outer surface of the positioning column. An electric push rod (302) is installed above the gear A (304), and the electric push rod (302) is rotatably connected to the gear A (304) via a bearing. A conveyor belt (303) is sleeved on the outer surfaces of the two rotating shafts (306) and the gear C.

5. The device for preparing bio-aviation fuel according to claim 4, characterized in that: The inner surface of the conveyor belt (303) is evenly provided with a plurality of saw teeth (305), and the saw teeth (305) are meshed with the rotating shaft (306) and the gear C. The lower end surface of the rotating shaft (306) is fixedly connected to the upper end surface of the screw rod (605), and the lower end surface of the rotating shaft (306) is rotatably connected to the upper end surface of the annular shell (604) via a bearing. The upper end surface of the mixing box (1) is provided with a transmission groove, and the lower end of the conveyor belt (303) is inserted into the inner side of the transmission groove.

6. The bio-aviation fuel preparation device according to claim 1, characterized in that: The threaded block (606) is threadedly connected to the screw rod (605), a plurality of slide grooves (603) are evenly arranged on both sides of the outer surface of the annular shell (604), and the transverse axis (601) slides inside the slide grooves (603), and the lower end surfaces of the screw rod (605) and the annular shell (604) are rotatably connected to the upper end surface of the screen plate (804) through bearings.

7. The device for preparing bio-aviation fuel according to claim 1, characterized in that: The vertical transmission mechanism (5) comprises a gear B (501) and a rack (502), wherein the gear B (501) is sleeved on one end of the outer surface of the horizontal shaft (601), the rack (502) is located behind the gear B (501), and the gear B (501) is meshed with the rack (502), and the rack (502) is fixedly connected to the top surface of the inner wall of the stirring chamber (7).

8. The device for preparing bio-aviation fuel according to claim 1, characterized in that: The vertical axes (602) on the outer surfaces of the upper and lower adjacent horizontal axes (601) are respectively arranged crosswise, the horizontal axis (601) is rotatably connected to the outer surface of the threaded block (606) via a bearing, the front and rear end surfaces of the horizontal axis (601) are both equipped with clamping blocks, the front and rear inner walls of the slide groove (603) are both provided with clamping grooves, and the clamping blocks are clamped into the inner side of the clamping grooves.

9. The bio-aviation fuel preparation device according to claim 1, characterized in that: A plurality of filter holes (805) are evenly arranged on both sides of the upper end surface of the sieve plate (804); a motor B (806) is installed below the inside of the base (801) through a motor cavity; an output end of the motor B (806) is fixedly connected to the lower end surface of the sieve plate (804) through a connecting shaft; an outer surface of the arc scraper (802) is in contact with the inner wall of the stirring chamber (7); four feed pipes (9) are evenly installed on the lower end surface of the stirring box (1); a solenoid valve is installed on the inner side of the feed pipe (9); and the feed pipe (9) passes through the base (801).

10. The bio-aviation fuel preparation device according to claim 1, characterized in that: An air pump (10) is installed on the rear end face of the mixing box (1), and the air pump (10) is connected to the two mixing chambers (7) respectively through two exhaust pipes, and a one-way valve is installed on the inner side of the exhaust pipe. An exhaust pipe (11) is installed above the rear end face of the gas purification device (12), and the exhaust pipe (11) is connected to the mixing chamber (7) through a connecting pipe. The gas purification device (12) includes, from bottom to top, a first activated carbon filter layer, a second activated carbon filter layer, a disinfectant filter layer, a desiccant filter layer, and a UV ultraviolet sterilization layer.

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