Filling module for rocket kerosene propellant filling and filling and draining back method

By designing container modules and process equipment modules for rocket kerosene propellant filling, the problems of high cost and poor adaptability of rocket propellant filling in the prior art are solved, and the filling solution is simplified and the cost reduction is achieved.

CN119774527APending Publication Date: 2025-04-08BEIJING ZHONGKE AEROSPACE TECH CO LTD
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Patent Information

Application Number
CN202411999101.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-08

AI Technical Summary

Technical Problem

The existing rocket launch site kerosene filling system has high construction costs, poor adaptability and complex filling solutions, resulting in high cost of filling propellant and not suitable for multiple working conditions.

Method used

A filling module for rocket kerosene propellant filling is designed, including a container module and a process equipment module fixed inside it. The filling and discharge operation is realized through components such as kerosene pumps, pneumatic control valves, filters, check valves and hand valves.

Benefits of technology

The filling module simplifies the propellant filling scheme, reduces the filling cost, improves the adaptability of the filling device, can adapt to a variety of working conditions, and facilitates transportation and hoisting.

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Abstract

The present application relates to the field of aerospace technology, and in particular to a filling module for filling rocket kerosene propellant, including: a container module and a process equipment module fixed inside the container module; the process equipment module includes: a kerosene pump C1, a kerosene pump C2, a pneumatic control valve K1, a pneumatic control valve K2, a filter GL1, a one-way valve HV1, a hand valve H3, a hand valve H4, a kerosene transport vehicle interface JK1, a kerosene tank interface JK2, an on-rocket tank interface JK3, and a kerosene drain-back interface JK4. The present application realizes the filling of kerosene propellant for rocket testing and launching through a simple process scheme, thereby simplifying the propellant filling scheme, reducing the propellant filling cost, and improving the adaptability of the propellant filling device.
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Description

Technical Field

[0001] The present application relates to the field of aerospace technology, and in particular to a filling module for filling rocket kerosene propellant and a filling and draining back method. Background Art

[0002] When launching rockets and flying missions, it is generally necessary to build a launch site kerosene filling system at the launch site, and configure a large-volume fixed storage tank for the launch site kerosene filling system to store propellants. However, building a launch site kerosene filling system at the launch site has high construction costs (generally the investment is more than 10 million yuan), poor adaptability (can only meet the use of a certain type of rocket or can only be used at a certain launch site), and complex filling solutions (fixed storage tanks and long kerosene filling pipelines are required).

[0003] However, when conducting some ground tests, such as rocket propulsion system tests and vertical take-off and landing tests of VTVL (Vertical Take-Off and Vertical Landing) test arrows, due to the limited number of tests, the use of fixed tanks for propellant refueling will also result in higher refueling costs.

[0004] Therefore, how to simplify the propellant filling scheme, reduce the propellant filling cost, and improve the adaptability of the propellant filling device is a technical problem that technicians in this field urgently need to solve. Summary of the invention

[0005] The present application provides a filling module and a filling and draining back method for rocket kerosene propellant filling, which realizes rocket testing and launching kerosene propellant filling through a simple process scheme, thereby simplifying the propellant filling scheme, reducing the propellant filling cost, and improving the adaptability of the propellant filling device.

[0006] In order to solve the above technical problems, this application provides the following technical solutions:

[0007] A filling module for filling rocket kerosene propellant, comprising: a container module and a process equipment module fixed inside the container module; the process equipment module comprises: a kerosene pump C1, a kerosene pump C2, a pneumatic control valve K1, a pneumatic control valve K2, a filter GL1, a one-way valve HV1, a hand valve H3, a hand valve H4, a kerosene transport vehicle interface JK1, a kerosene tank interface JK2, an arrow tank interface JK3 and a kerosene leakage return interface JK4; wherein the kerosene transport vehicle interface JK1 is connected to the kerosene pump C1, and the hand valve H3 is connected to the pipe between the kerosene transport vehicle interface JK1 and the kerosene pump C1. On the road; the kerosene tank interface JK2 is connected with the kerosene pump C1, and the manual valve H4 is connected with the pipeline between the kerosene tank interface JK2 and the kerosene pump C1; the kerosene pump C1 is connected with the filter GL1, the filter GL1 is connected with the arrow tank interface JK3, and the pneumatic control valve K1 is connected with the pipeline between the filter GL1 and the arrow tank interface JK3; the arrow tank interface JK3 is connected with the kerosene pump C2, and the pneumatic control valve K2 is connected with the pipeline between the arrow tank interface JK3 and the kerosene pump C2; the kerosene pump C2 is connected to the one-way valve HV1, and the one-way valve HV1 is connected to the kerosene leakage return interface JK4.

[0008] As described above, in the filling module for filling rocket kerosene propellant, preferably, the process equipment module is fixed to the bottom surface inside the container module.

[0009] As described above, in the filling module for filling rocket kerosene propellant, preferably, a flow meter FM1 is connected to the pipeline between the filter GL1 and the pneumatic control valve K1.

[0010] The filling module for filling rocket kerosene propellant as described above, wherein, preferably, a discharge pipeline is connected on the pipeline between the kerosene transport vehicle interface JK1 and the manual valve H3, and the hand valve H1 is connected on the discharge pipeline; a discharge pipeline is connected on the pipeline between the kerosene tank interface JK2 and the manual valve H4, and the hand valve H2 is connected on the discharge pipeline; a discharge pipeline is connected on the pipeline between the filter GL1 and the flow meter FM1, and the hand valve H5 is connected on the discharge pipeline; a discharge pipeline is connected on the pipeline between the pneumatic control valve K1 and the on-rocket tank interface JK3, and the hand valve H6 is connected on the discharge pipeline; a discharge pipeline is connected on the pipeline between the one-way valve HV1 and the kerosene return interface JK4, and the hand valve H7 is connected on the discharge pipeline.

[0011] As described above, the filling module for filling rocket kerosene propellant, wherein, preferably, a pressure sensor P1 and a temperature sensor T1 are arranged on the pipeline between the manual valve H3 and the manual valve H4 and the kerosene pump C1, a pressure sensor P2 and a temperature sensor T2 are arranged on the pipeline between the flow meter FM1 and the pneumatic control valve K1, a pressure sensor P3 and a temperature sensor T3 are arranged on the pipeline between the pneumatic control valve K2 and the kerosene pump C2, and a pressure sensor P4 and a temperature sensor T4 are arranged on the pipeline between the kerosene pump C2 and the one-way valve HV1.

[0012] A filling method for filling rocket kerosene propellant, using any of the filling modules described above, comprising the following steps: step S410, connecting the arrow tank interface JK3 with the pipeline interface of the arrow tank, and connecting the kerosene transport vehicle interface JK1 with the pipeline interface on the kerosene transport vehicle and / or connecting the kerosene tank interface JK2 with the pipeline interface of the kerosene tank; step S420, opening the pneumatic control valve K1 and closing the pneumatic control valve K2, and open the manual valve H3 and / or the manual valve H4 to fill the arrow tank with propellant; step S430, after the filling is completed, close the pneumatic control valve K1, and close the manual valve H3 and / or the manual valve H4; step S440, separate the arrow tank interface JK3 from the pipeline interface of the arrow tank, and separate the kerosene transport vehicle interface JK1 from the pipeline interface on the kerosene transport vehicle and / or separate the kerosene tank interface JK2 from the pipeline interface of the kerosene tank.

[0013] In the filling method for rocket kerosene propellant as described above, it is preferred that the hand valve H1, the hand valve H2, the hand valve H5 and the hand valve H6 are opened to discharge the kerosene propellant in each discharge pipeline.

[0014] A method for draining back kerosene propellant for rocket filling, wherein, preferably, the filling module described in any of the above items is applied, comprising the following steps: step S610, docking and connecting the on-arrow tank interface JK3 with the pipeline interface of the on-arrow tank, and docking and connecting the kerosene drain back interface JK4 with the pipeline interface on the kerosene transport vehicle and / or docking and connecting the kerosene drain back interface JK4 with the pipeline interface of the kerosene tank; step S620, opening the pneumatic control valve K2, and closing the pneumatic control valve K1, to drain back the propellant in the on-arrow tank; step S630, after the drain back is completed, closing the pneumatic control valve K2; step S640, separating the on-arrow tank interface JK3 from the pipeline interface of the on-arrow tank, and separating the kerosene drain back interface JK4 from the pipeline interface on the kerosene transport vehicle and / or docking and separating the kerosene drain back interface JK4 from the pipeline interface of the kerosene tank.

[0015] In the filling method for rocket kerosene propellant as described above, it is preferred that the manual valve H6 and the manual valve H7 are opened to discharge the kerosene propellant in each discharge pipeline.

[0016] Compared with the above-mentioned background technology, the filling module for rocket kerosene propellant filling of the present application has comprehensive functional coverage, can cover a variety of working conditions, and meet the needs of rocket filling and discharge; and, can adapt to a variety of working conditions, while meeting the filling solutions of ground kerosene transport vehicles or ground kerosene tanks; in addition, the filling module for rocket kerosene propellant filling is convenient for transportation and lifting, can be used in different places, and the equipment has stronger adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is an outline drawing of a filling module used for filling rocket with kerosene propellant;

[0019] Figure 2 It is a schematic diagram of the structure of a process equipment module of a filling module for filling rocket kerosene propellant;

[0020] Figure 3 It is a piping schematic diagram of a process equipment module of a filling module for filling rocket kerosene propellant;

[0021] Figure 4 is a flow chart of a filling method for rocket kerosene propellant filling;

[0022] Figure 5 It is a schematic diagram of the flow path of the filling module for filling rocket kerosene propellant into the onboard tank;

[0023] Figure 6 is a flow chart of the bleed-back method used for rocket kerosene propellant filling;

[0024] Figure 7 This is a schematic diagram of the flow path of the filling module used to fill the rocket with kerosene propellant, which is discharged back from the tank on the rocket. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention.

[0026] Embodiment 1

[0027] like Figure 1 As shown, the present application provides a filling module for rocket kerosene propellant filling, including: a container module 110 and a process equipment module 120 fixed inside the container module 110. Among them, the overall shape of the container module 110 is a container type, and the container module 110 also has the functions of rainproof, dustproof and shockproof, and can protect the process equipment module 120 fixed inside it. In addition, the use of the container module 110 is also convenient for lifting and transportation, and the filling module can be placed on the ground in different places for use, and the equipment has strong adaptability. Optionally, the process equipment module 120 is fixed to the bottom surface inside the container module 110.

[0028] like Figure 2 and Figure 3 As shown, the process equipment module 120 includes: kerosene pump C1, kerosene pump C2, pneumatic control valve K1, pneumatic control valve K2, filter GL1, one-way valve HV1, manual valve H3, manual valve H4, kerosene transport vehicle interface JK1, kerosene tank interface JK2, arrow tank interface JK3 and kerosene leakage return interface JK4.

[0029] Among them, the kerosene transport vehicle interface JK1 is connected to the kerosene pump C1, and the kerosene pump C1 is used to transport the kerosene propellant in the ground kerosene tank or the ground kerosene transport vehicle to the on-arrow tank; the manual valve H3 is used as the manual valve at the entrance of the main transport line, and is connected to the pipeline between the kerosene transport vehicle interface JK1 and the kerosene pump C1 to control the on-off of the pipeline; the kerosene tank interface JK2 is connected to the kerosene pump C1, and the manual valve H4 is used as the manual valve at the entrance of the main transport line, and is connected to the pipeline between the kerosene tank interface JK2 and the kerosene pump C1 to control the on-off of the pipeline The kerosene pump C1 is connected to the filter GL1, and the filter GL1 is used to filter the impurities of kerosene in the pipeline after the kerosene pump C1 to ensure that the kerosene filled into the arrow tank is free of impurities; the filter GL1 is connected to the arrow tank interface JK3, and the pneumatic control valve K1 is connected to the pipeline between the filter GL1 and the arrow tank interface JK3 to control the on-off of the pipeline, and the pneumatic control valve K1 uses gas as the control power and the solenoid valve as the control element, which can remotely control the opening and closing of the valve, thereby controlling the on-off of the pipeline.

[0030] The on-arrow tank interface JK3 is connected to the kerosene pump C2, and the kerosene pump C2 is used to discharge the kerosene propellant in the on-arrow tank back to the ground kerosene tank or the ground kerosene transport vehicle; the pneumatic control valve K2 is connected to the pipeline between the on-arrow tank interface JK3 and the kerosene pump C2 to control the on-off of the pipeline, and the pneumatic control valve K2 uses gas as the control power and the solenoid valve as the control element, which can remotely control the opening and closing of the valve, thereby controlling the on-off of the pipeline; the kerosene pump C2 is connected to the one-way valve HV1, and the one-way valve HV1 is connected to the kerosene drain back interface JK4. The one-way valve HV1 is used to ensure that kerosene will not flow back into the kerosene pump C2 during the filling process using the kerosene transport vehicle.

[0031] On the basis of the above, a flow meter FM1 is connected to the pipeline between the filter GL1 and the pneumatic control valve K1 to monitor the flow of kerosene propellant in the pipeline to be filled into the onboard tank to meet the rocket filling flow requirements.

[0032] In addition, a discharge pipeline is connected on the pipeline between the kerosene transport vehicle interface JK1 and the manual valve H3, and a manual valve H1 is connected on the discharge pipeline, and the manual valve H1 is used as a discharge valve on the discharge pipeline; a discharge pipeline is connected on the pipeline between the kerosene tank interface JK2 and the manual valve H4, and a manual valve H2 is connected on the discharge pipeline, and the manual valve H2 is used as a discharge valve on the discharge pipeline; a discharge pipeline is connected on the pipeline between the filter GL1 and the flow meter FM1, and a manual valve H5 is connected on the discharge pipeline, and the manual valve H5 is used as a discharge valve on the discharge pipeline; a discharge pipeline is connected on the pipeline between the pneumatic control valve K1 and the arrow tank interface JK3, and a manual valve H6 is connected on the discharge pipeline, and the manual valve H6 is used as a discharge valve on the discharge pipeline; a discharge pipeline is connected on the pipeline between the one-way valve HV1 and the kerosene drain back interface JK4, and a manual valve H7 is connected on the discharge pipeline, and the manual valve H7 is used as a discharge valve on the discharge pipeline. Hand valve H1, hand valve H2, hand valve H5, hand valve H6 and hand valve H7 are used to control the on-off of each discharge pipeline. The remaining kerosene in each discharge pipeline is discharged through hand valve H1, hand valve H2, hand valve H5, hand valve H6 and hand valve H7 to prevent the remaining kerosene in the pipeline from corroding the pipeline.

[0033] In addition, pressure sensor P1 and temperature sensor T1 are provided on the pipeline between hand valve H3 and hand valve H4 and kerosene pump C1, pressure sensor P2 and temperature sensor T2 are provided on the pipeline between flow meter FM1 and pneumatic control valve K1, pressure sensor P3 and temperature sensor T3 are provided on the pipeline between pneumatic control valve K2 and kerosene pump C2, and pressure sensor P4 and temperature sensor T4 are provided on the pipeline between kerosene pump C2 and check valve HV1. Pressure sensor P1, pressure sensor P2, pressure sensor P3 and pressure sensor P4 are used to monitor the pressure at various locations of the pipeline in real time to prevent overpressure in the pipeline; temperature sensor T1, temperature sensor T2, temperature sensor T3 and temperature sensor T4 are used to monitor the temperature at various locations of the pipeline in real time.

[0034] Embodiment 2

[0035] like Figure 4 and Figure 5 As shown, the present application provides a filling method for rocket kerosene propellant filling, using the filling module in Example 1, comprising the following steps:

[0036] Step S410, docking and connecting the on-arrow tank interface JK3 with the pipeline interface of the on-arrow tank, docking and connecting the kerosene transport vehicle interface JK1 with the pipeline interface on the kerosene transport vehicle and / or docking and connecting the kerosene tank interface JK2 with the pipeline interface of the kerosene tank;

[0037] When filling the rocket tank with propellant, the filling module is transported to the launch site. If a kerosene transport truck is used to fill the rocket tank with propellant, the kerosene transport truck is driven to the launch site, and then the kerosene transport truck interface JK1 is connected to the pipeline interface on the kerosene transport truck; if a kerosene tank is used to fill the rocket tank with propellant, the kerosene tank interface JK2 is connected to the pipeline interface of the kerosene tank.

[0038] According to the actual use conditions, the onboard tank can be refilled with propellant using a ground kerosene tank or a ground kerosene transporter alone, or both a ground kerosene tank and a ground kerosene transporter can be used simultaneously.

[0039] While the kerosene transport vehicle interface JK1 is connected to the pipeline interface on the kerosene transport vehicle and / or the kerosene tank interface JK2 is connected to the pipeline interface of the kerosene tank, the arrow tank interface JK3 is also connected to the pipeline interface of the arrow tank.

[0040] Step S420, opening the pneumatic control valve K1 and closing the pneumatic control valve K2, and opening the manual valve H3 and / or the manual valve H4 to fill the onboard tank with propellant;

[0041] Open the pneumatic control valve K1 to make the filling pipeline unblocked, and close the pneumatic control valve K2 to block the drain back pipeline. When using a kerosene transport truck to fill the arrow tank with propellant, open the manual valve H3 and fill the arrow tank with propellant through the kerosene transport truck; when using a kerosene tank to fill the arrow tank with propellant, open the manual valve H4 and fill the arrow tank with propellant through the kerosene tank; when using a kerosene transport truck and a kerosene tank to fill the arrow tank with propellant at the same time, open the manual valve H3 and the manual valve H4 at the same time, and use the kerosene transport truck and the kerosene tank to fill the arrow tank with propellant at the same time. Figure 5 In the figure, the arrow indicates the flow direction of kerosene, and kerosene pump C1 is used for pumping kerosene filling.

[0042] Step S430: After the filling is completed, close the pneumatic control valve K1, and close the manual valve H3 and / or the manual valve H4;

[0043] After the propellant is added to the arrow tank, the pneumatic control valve K1 is closed to block the filling pipeline. When the kerosene transport vehicle is used to add propellant to the arrow tank, the manual valve H3 is closed; when the kerosene tank is used to add propellant to the arrow tank, the manual valve H4 is closed; when the kerosene transport vehicle and the kerosene tank are used to add propellant to the arrow tank at the same time, the manual valves H3 and H4 are closed at the same time.

[0044] Step S440, separate the arrow tank interface JK3 from the pipeline interface of the arrow tank, separate the kerosene transport vehicle interface JK1 from the pipeline interface on the kerosene transport vehicle, and / or separate the kerosene tank interface JK2 from the pipeline interface of the kerosene tank;

[0045] After closing the pneumatic control valve K1 and the manual valve H3 and / or the manual valve H4, separate the tank interface JK3 from the pipeline interface of the tank. If a kerosene transport vehicle is used to add propellant to the tank, separate the kerosene transport vehicle interface JK1 from the pipeline interface on the kerosene transport vehicle; if a kerosene tank is used to add propellant to the tank, separate the kerosene tank interface JK2 from the pipeline interface of the kerosene tank; if both a kerosene transport vehicle and a kerosene tank are used to add propellant to the tank, separate the kerosene transport vehicle interface JK1 from the pipeline interface on the kerosene transport vehicle, and separate the kerosene tank interface JK2 from the pipeline interface of the kerosene tank.

[0046] Then, the hand valves H1, H2, H5 and H6 can be opened to discharge the kerosene propellant in each discharge pipeline, thereby preventing the remaining kerosene in the pipeline from corroding the pipeline. In addition, the refueling module will be transported away from the launch site, and the kerosene transport vehicle will also leave the launch site.

[0047] Embodiment 3

[0048] like Figure 6 and Figure 7As shown, the present application provides a leakage back method for filling rocket kerosene propellant, using the filling module in Example 1, including the following steps:

[0049] Step S610, docking and connecting the on-arrow tank interface JK3 with the pipeline interface of the on-arrow tank, docking and connecting the kerosene drain-back interface JK4 with the pipeline interface on the kerosene transport vehicle and / or docking and connecting the kerosene drain-back interface JK4 with the pipeline interface of the kerosene tank;

[0050] When the propellant in the tank on the arrow is discharged back, the filling module is transported to the launch site. If the propellant in the tank on the arrow is discharged into the kerosene transport vehicle, the kerosene discharge interface JK4 is connected to the pipeline interface on the kerosene transport vehicle; if the propellant in the tank on the arrow is discharged into the kerosene tank, the kerosene discharge interface JK4 is connected to the pipeline interface of the kerosene tank; if the propellant in the tank on the arrow is discharged into the kerosene transport vehicle and the kerosene tank, the kerosene discharge interface JK4 is connected to the pipeline interface on the kerosene transport vehicle and the pipeline interface of the kerosene tank.

[0051] While the kerosene drain back interface JK4 is connected to the pipeline interface on the kerosene transport vehicle and / or the pipeline interface of the kerosene tank, the arrow tank interface JK3 is also connected to the pipeline interface of the arrow tank.

[0052] Step S620, opening the pneumatic control valve K2 and closing the pneumatic control valve K1 to discharge the propellant in the tank on the arrow;

[0053] Open the pneumatic control valve K2 to make the drain back pipeline unblocked, close the pneumatic control valve K1 to block the filling pipeline, and the propellant in the tank on the arrow will be drained back to the kerosene transport vehicle and / or kerosene tank. Figure 7 In the figure, the arrow indicates the flow direction of kerosene, and kerosene pump C2 is used to pump the kerosene back.

[0054] Step S630: After the discharge is completed, close the pneumatic control valve K2;

[0055] After the propellant in the onboard tank is completely drained back, the pneumatic control valve K2 is closed to block the drain back pipeline, thereby enabling the subsequent interface to be separated.

[0056] Step S640, separate the on-arrow tank interface JK3 from the pipeline interface of the on-arrow tank, and separate the kerosene drain-back interface JK4 from the pipeline interface on the kerosene transport vehicle and / or separate the kerosene drain-back interface JK4 from the pipeline interface of the kerosene tank;

[0057] After closing the pneumatic control valve K2, separate the tank interface JK3 from the pipeline interface of the tank. If the propellant in the tank is leaked into the kerosene transport vehicle, separate the kerosene return interface JK4 from the pipeline interface on the kerosene transport vehicle; if the propellant in the tank is leaked into the kerosene tank, separate the kerosene return interface JK4 from the pipeline interface of the kerosene tank; if the propellant in the tank is leaked into the kerosene transport vehicle and the kerosene tank, separate the kerosene return interface JK4 from the pipeline interface on the kerosene transport vehicle and the pipeline interface of the kerosene tank.

[0058] Then, the manual valves H6 and H7 can be opened to discharge the kerosene propellant in each discharge pipeline, thereby preventing the remaining kerosene in the pipeline from corroding the pipeline. In addition, the refueling module will be transported away from the launch site, and the kerosene transport vehicle will also leave the launch site.

[0059] The filling module for filling rocket kerosene propellant of the present application has comprehensive functional coverage, can cover a variety of working conditions, and meet the needs of rocket filling and discharge; and, can adapt to a variety of working conditions, while meeting the filling solutions of ground kerosene transport vehicles or ground kerosene tanks; in addition, the filling module for filling rocket kerosene propellant is convenient for transportation and lifting, can be used in different places, and the equipment has stronger adaptability.

[0060] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A filling module for filling rocket kerosene propellant, characterized in that: include: A container module and a process equipment module fixed inside the container module; The process equipment module includes: kerosene pump C1, kerosene pump C2, pneumatic control valve K1, pneumatic control valve K2, filter GL1, check valve HV1, hand valve H3, hand valve H4, kerosene transport vehicle interface JK1, kerosene tank interface JK2, arrow tank interface JK3 and kerosene leakage return interface JK4; Among them, the kerosene transport vehicle interface JK1 is connected to the kerosene pump C1, and the manual valve H3 is connected to the pipeline between the kerosene transport vehicle interface JK1 and the kerosene pump C1; the kerosene tank interface JK2 is connected to the kerosene pump C1, and the manual valve H4 is connected to the pipeline between the kerosene tank interface JK2 and the kerosene pump C1; the kerosene pump C1 is connected to the filter GL1, the filter GL1 is connected to the arrow tank interface JK3, and the pneumatic control valve K1 is connected to the pipeline between the filter GL1 and the arrow tank interface JK3; The tank interface JK3 on the arrow is connected to the kerosene pump C2, and the pneumatic control valve K2 is connected to the pipeline between the tank interface JK3 on the arrow and the kerosene pump C2; the kerosene pump C2 is connected to the one-way valve HV1, and the one-way valve HV1 is connected to the kerosene leakage return interface JK4.

2. The filling module for filling rocket kerosene propellant according to claim 1, characterized in that: The process equipment module is fixed on the bottom surface inside the container module.

3. The filling module for filling rocket kerosene propellant according to claim 1 or 2, characterized in that: The pipeline between the filter GL1 and the pneumatic control valve K1 is connected with a flow meter FM1.

4. The filling module for filling rocket kerosene propellant according to claim 3, characterized in that: A discharge pipeline is connected to the pipeline between the kerosene transport vehicle interface JK1 and the hand valve H3, and a hand valve H1 is connected to the discharge pipeline; A discharge pipeline is connected to the pipeline between the kerosene tank interface JK2 and the hand valve H4, and a hand valve H2 is connected to the discharge pipeline; A discharge pipeline is connected to the pipeline between the filter GL1 and the flow meter FM1, and a manual valve H5 is connected to the discharge pipeline; A discharge pipeline is connected to the pipeline between the pneumatic control valve K1 and the tank interface JK3 on the arrow, and a manual valve H6 is connected to the discharge pipeline; A discharge pipeline is connected to the pipeline between the one-way valve HV1 and the kerosene drain-back interface JK4, and a manual valve H7 is connected to the discharge pipeline.

5. The filling module for filling rocket kerosene propellant according to claim 4, characterized in that: A pressure sensor P1 and a temperature sensor T1 are arranged on the pipeline between the hand valve H3, the hand valve H4 and the kerosene pump C1, a pressure sensor P2 and a temperature sensor T2 are arranged on the pipeline between the flow meter FM1 and the pneumatic control valve K1, a pressure sensor P3 and a temperature sensor T3 are arranged on the pipeline between the pneumatic control valve K2 and the kerosene pump C2, and a pressure sensor P4 and a temperature sensor T4 are arranged on the pipeline between the kerosene pump C2 and the one-way valve HV1.

6. A method for filling rocket kerosene propellant, characterized in that: The filling module according to any one of claims 1 to 5 is applied, comprising the following steps: Step S410, docking and connecting the on-arrow tank interface JK3 with the pipeline interface of the on-arrow tank, docking and connecting the kerosene transport vehicle interface JK1 with the pipeline interface on the kerosene transport vehicle and / or docking and connecting the kerosene tank interface JK2 with the pipeline interface of the kerosene tank; Step S420, opening the pneumatic control valve K1 and closing the pneumatic control valve K2, and opening the manual valve H3 and / or the manual valve H4 to fill the onboard tank with propellant; Step S430: After the filling is completed, close the pneumatic control valve K1, and close the manual valve H3 and / or the manual valve H4; Step S440, separate the arrow tank interface JK3 from the pipeline interface of the arrow tank, separate the kerosene transport vehicle interface JK1 from the pipeline interface on the kerosene transport vehicle and / or separate the kerosene tank interface JK2 from the pipeline interface of the kerosene tank.

7. The method for filling rocket kerosene propellant according to claim 6, characterized in that: Open the hand valve H1, the hand valve H2, the hand valve H5 and the hand valve H6 to discharge the kerosene propellant in each discharge pipeline.

8. A method for draining back a rocket kerosene propellant, characterized in that: The filling module according to any one of claims 1 to 5 is applied, comprising the following steps: Step S610, docking and connecting the on-arrow tank interface JK3 with the pipeline interface of the on-arrow tank, docking and connecting the kerosene drain-back interface JK4 with the pipeline interface on the kerosene transport vehicle and / or docking and connecting the kerosene drain-back interface JK4 with the pipeline interface of the kerosene tank; Step S620, opening the pneumatic control valve K2 and closing the pneumatic control valve K1 to discharge the propellant in the tank on the arrow; Step S630: After the discharge is completed, close the pneumatic control valve K2; Step S640, separate the on-arrow tank interface JK3 from the pipeline interface of the on-arrow tank, and separate the kerosene drain-back interface JK4 from the pipeline interface on the kerosene transport vehicle and / or separate the kerosene drain-back interface JK4 from the pipeline interface of the kerosene tank.

9. The method for filling rocket kerosene propellant according to claim 8, characterized in that: Open the hand valve H6 and the hand valve H7 to discharge the kerosene propellant in each discharge pipeline.