Mixing pretreatment device for preparing biological aviation kerosene from biomass oil
By setting up a pressurization mechanism on the circulation tank of the bioaerospace kerosene mixing pretreatment device and a pressure stabilization tank and a pressure regulating valve on the output main pipe, the problems of insufficient mixing and unstable pressure in the existing device are solved, the full mixing of raw materials and the stability of the output pressure are achieved, and the efficiency and structure simplicity of the device are improved.
Patent Information
- Application Number
- CN202421424464.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing bioaerospace kerosene mixing pretreatment devices have the disadvantages of complex structure, insufficient mixing of raw materials, and unstable input pressure.
A mixing pretreatment device with a simple structure is designed. By setting a pressurization mechanism on the left circulation tank and the right circulation tank, a full and uniform mixing of raw materials is achieved, and a pressure stabilization tank and a pressure regulating valve are installed on the output main pipe to ensure stable output pressure.
The full mixing of raw materials and the stability of output pressure are achieved, and the device is compact, simple and efficient.
Smart Images
Figure CN222829423U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of aviation kerosene preparation devices, and in particular relates to a mixing pretreatment device for preparing bio-aviation kerosene from biomass oil. Background Art
[0002] With the rapid development of the world's aviation industry, aircraft are increasingly used in military and civilian fields. Aircraft must use liquid fuel, especially large jet aircraft, which consume a huge amount of fuel. The greenhouse effect caused by the carbon dioxide produced after the fuel is burned is extremely harmful to the environment. For this reason, all countries are looking for a new type of traditional aviation fuel substitute. Compared with traditional aviation fuel, bio-jet kerosene can reduce carbon dioxide emissions by 60% to 80%. Therefore, the development of bio-jet kerosene is the fundamental way to reduce carbon emissions in the aviation industry.
[0003] The production technology of bio-jet fuel includes multiple complex steps, among which the mixing pretreatment step is to evenly mix the biomass material particles, hydrogen and catalyst. However, the existing mixing pretreatment devices have the disadvantages of complex structure, insufficient raw material mixing and unstable input pressure. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a mixing pretreatment device for preparing bio-jet fuel from biomass oil with simple structure and uniform mixing.
[0005] The technical solution adopted to solve the above technical problems is: a mixing pretreatment device for biomass oil-based bio-jet fuel, the liquid inlet pipe is connected to the inlet of the filter through a pipeline, the outlet of the filter is connected to the feed port of the left circulation tank and the feed port of the right circulation tank through a pipeline, the discharge port of the left circulation tank and the discharge port of the right circulation tank are connected in parallel with the inlet of the discharge main pipe, a one-way valve is arranged on the discharge main pipe, and a pressurizing mechanism is arranged on the left circulation tank and the right circulation tank, through which the left circulation tank is fed and the right circulation tank is discharged at the same time, or the left circulation tank is discharged and the right circulation tank is fed at the same time.
[0006] As a preferred technical solution, a pressure stabilizing tank is provided on the discharge main pipe, and the pressure stabilizing tank is located downstream of the one-way valve.
[0007] As a preferred technical solution, a pressure regulating valve is provided on the discharge main pipe, and the pressure regulating valve is located downstream of the pressure stabilizing tank.
[0008] As a preferred technical solution, the pressurizing mechanism includes a left buffer cylinder, a right buffer cylinder, a left piston, a right piston, a left hydraulic cylinder, a right hydraulic cylinder, a first hydraulic pump, and a second hydraulic pump. A left piston is arranged in the left buffer cylinder, a port of the left buffer cylinder is connected to the left circulation tank, the left piston is connected to the power end of the left hydraulic cylinder, the hydraulic oil outlet of the left hydraulic cylinder is connected to the inlet of the first hydraulic pump through a pipeline, and the hydraulic oil inlet is connected to the outlet of the second hydraulic pump through a pipeline; a right piston is arranged in the right buffer cylinder, a port of the right buffer cylinder is connected to the right circulation tank, the right piston is connected to the power end of the right hydraulic cylinder, the hydraulic oil inlet of the right hydraulic cylinder is connected to the outlet of the first hydraulic pump through a pipeline, and the hydraulic oil outlet is connected to the inlet of the second hydraulic pump through a pipeline.
[0009] The beneficial effects of the utility model are as follows:
[0010] The utility model not only realizes the full and uniform mixing of the raw material mixed liquid, but also realizes the pressurization of the raw material mixed liquid by arranging the pressurizing mechanism on the left circulation tank and the right circulation tank, and ensures the stability of the output pressure by arranging the pressure stabilizing tank and the pressure regulating valve on the output main pipe. The utility model has the characteristics of compact structure, simple structure and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model.
[0012] Among them: filter 1; right circulation tank 2; right buffer cylinder 3; right piston 4; right hydraulic cylinder 5; second hydraulic pump 6; first hydraulic pump 7; left hydraulic cylinder 8; left piston 9; left buffer cylinder 10; left circulation tank 11; one-way valve 12; pressure stabilizing tank 13; pressure regulating valve 14. DETAILED DESCRIPTION
[0013] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the following embodiments.
[0014] exist Figure 1In the present embodiment, a mixed pretreatment device for biomass oil-based bio-jet fuel, the liquid inlet pipe is connected to the inlet of the filter 1 through a pipeline, the outlet of the filter 1 is connected to the feed port of the left circulation tank 11 and the feed port of the right circulation tank 2 through a pipeline, the discharge port of the left circulation tank 11 and the discharge port of the right circulation tank 2 are connected in parallel to the discharge main pipe inlet, a check valve 12 is installed on the discharge main pipe to prevent the raw material from flowing back to the left circulation tank 11 or the right circulation tank 2, and a pressurizing mechanism is installed on the left circulation tank 11 and the right circulation tank 2, and the left circulation tank 11 and the right circulation tank 2 are fed by the pressurizing mechanism while the right circulation tank 2 is discharged or the left circulation tank 11 is discharged while the right circulation tank 2 is fed. The raw material mixed liquid containing biomass material particles and liquid enters the filter 1 through the liquid inlet pipe, and enters the left circulation tank 11 or the right circulation tank 2 after filtering out larger solid particles through the filter 1. Under the action of the pressurizing mechanism, the solid particles of the biomass material and the liquid are fully mixed and uniform in the left circulation tank 11 or the right circulation tank 2.
[0015] A pressure-stabilizing tank 13 and a pressure-regulating valve 14 are installed on the discharge main pipe of this embodiment. The pressure-stabilizing tank 13 is located downstream of the one-way valve 12, and the pressure-regulating valve 14 is located downstream of the pressure-stabilizing tank 13. The pressure in the discharge main pipe is adjusted by the pressure-regulating valve 14 and the pressure-stabilizing tank 13 to ensure stable output pressure.
[0016] The pressurizing mechanism of this embodiment includes a left buffer cylinder 10, a right buffer cylinder 3, a left piston 9, a right piston 4, a left hydraulic cylinder 8, a right hydraulic cylinder 5, a first hydraulic pump 7, and a second hydraulic pump 6. The left piston 9 is installed in the left buffer cylinder 10, the port of the left buffer cylinder 10 is connected to the left circulation tank 11, the left piston 9 is connected to the power end of the left hydraulic cylinder 8, the hydraulic oil outlet of the left hydraulic cylinder 8 is connected to the inlet of the first hydraulic pump 7 through a pipeline, and the hydraulic oil inlet is connected to the outlet of the second hydraulic pump 6 through a pipeline; the right piston 4 is installed in the right buffer cylinder 3, the port of the right buffer cylinder 3 is connected to the right circulation tank 2, the right piston 4 is connected to the power end of the right hydraulic cylinder 5, the hydraulic oil inlet of the right hydraulic cylinder 5 is connected to the outlet of the first hydraulic pump 7 through a pipeline, and the hydraulic oil outlet is connected to the inlet of the second hydraulic pump 6 through a pipeline.
[0017] First cycle: When the left hydraulic cylinder 8 is retracted and the left piston 9 in the left buffer cylinder 10 moves downward, the raw material mixed liquid is sucked from the filter 1 into the left circulation tank 11 and the left buffer cylinder 10. At the same time, the right hydraulic cylinder 5 is pushed and the right piston 4 in the right buffer cylinder 3 moves upward. Under the action of the thrust, the raw material mixed liquid in the right buffer cylinder 3 is pushed into the right circulation tank 2 and enters the discharge main pipe;
[0018] The second cycle: when the right hydraulic cylinder 5 retracts and the left piston 9 in the right buffer cylinder 3 moves downward, the raw material mixture is sucked from the filter 1 into the right circulation tank 2 and the right buffer cylinder 3. At the same time, the left hydraulic cylinder 8 pushes and the left piston 9 in the left buffer cylinder 10 moves upward. Under the action of the thrust, the raw material mixture in the left buffer cylinder 10 is pushed into the left circulation tank 11 and enters the discharge main pipe.
[0019] Repeat the first cycle and the second cycle to achieve uninterrupted input and output of the raw material mixed liquid. At the same time, due to the strong vibration of the raw material mixed liquid during this cycle, it is fully mixed.
Claims
1. A mixing pretreatment device for biomass oil to bio-jet kerosene, characterized by: The liquid inlet pipe is connected to the inlet of the filter through a pipeline, the outlet of the filter is connected to the feed port of the left circulation tank and the feed port of the right circulation tank through a pipeline, the discharge port of the left circulation tank and the discharge port of the right circulation tank are connected in parallel with the inlet of the discharge main pipe, a one-way valve is arranged on the discharge main pipe, and the left circulation tank and the right circulation tank are provided with a pressurizing mechanism, through which the left circulation tank is fed and the right circulation tank is discharged at the same time, or the left circulation tank is discharged and the right circulation tank is fed at the same time.
2. The mixing pretreatment device for preparing bio-jet fuel from biomass oil according to claim 1, characterized in that: A pressure stabilizing tank is arranged on the discharge main pipe, and the pressure stabilizing tank is located downstream of the one-way valve.
3. The mixing pretreatment device for preparing bio-jet fuel from biomass oil according to claim 2, characterized in that: The discharge main pipe is provided with a pressure regulating valve, which is located downstream of the pressure stabilizing tank.
4. The mixing pretreatment device for preparing bio-jet fuel from biomass oil according to claim 1, characterized in that: The pressurizing mechanism includes a left buffer cylinder, a right buffer cylinder, a left piston, a right piston, a left hydraulic cylinder, a right hydraulic cylinder, a first hydraulic pump, and a second hydraulic pump. The left buffer cylinder is provided with a left piston, the port of the left buffer cylinder is connected to the left circulation tank, the left piston is connected to the power end of the left hydraulic cylinder, the hydraulic oil outlet of the left hydraulic cylinder is connected to the inlet of the first hydraulic pump through a pipeline, and the hydraulic oil inlet is connected to the outlet of the second hydraulic pump through a pipeline; the right buffer cylinder is provided with a right piston, the port of the right buffer cylinder is connected to the right circulation tank, the right piston is connected to the power end of the right hydraulic cylinder, the hydraulic oil inlet of the right hydraulic cylinder is connected to the outlet of the first hydraulic pump through a pipeline, and the hydraulic oil outlet is connected to the inlet of the second hydraulic pump through a pipeline.