CN204042432U - With the liquid circuit module control box of proportioning device - Google Patents

Abstract

The utility model relates to a liquid circuit module control box with a quantitative device. A manual valve is connected; a first pneumatic valve is set between the air source pipeline and the extruded air source pipeline; the first manual valve is connected to the third pneumatic valve; the third pneumatic valve is connected to the output end of the pressure stabilizing valve; One end of the valve is connected with the pressure stabilizing valve, and the storage tank exhaust pipe is provided with a tank pressure gauge; the storage tank exhaust pipe is connected with the storage tank exhaust port; the liquid outlet of the filling tank is connected with one end of the mass flow meter; The other end of the flow meter is connected with the filling and discharging pipeline of the storage tank. The liquid circuit module control box with a dosing device of the utility model improves the reliability of filling and dosing, and at the same time ensures that the protection back pressure can be maintained during the open filling process through the form of a pressure stabilizing valve, which improves the flexibility of use. Ensure the safety of filling process.

Description

Liquid circuit module control box with quantitative device

technical field

The utility model relates to a liquid filling dosing control device, in particular to a liquid path module control box with a dosing device.

Background technique

The normal temperature rocket propellant filling system is mainly used for quantitative filling of propellant for the rocket. Once the quantitative refueling is not possible, the rocket may fail to enter the predetermined orbit or fail to launch. However, when there is a failure in the filling process, the propellant needs to be completely released and refilled, which will affect the entire rocket launch process and cause the rocket launch window to be missed. Therefore, the filling needs to be completed with high reliability. At the same time, propellants are generally flammable and explosive, and most of them are volatile and toxic, so the safety of the filling process must be ensured.

Utility model content

The utility model provides a liquid path module control box with a dosing device, which can ensure the reliability of dosing and improve the safety of the dosing process.

The technical scheme that the utility model takes is:

A liquid circuit module control box with a quantitative device, including an air source pipeline connected to the extrusion port of the filling tank, and the air source pipeline is connected to the extrusion air source pipeline, the spare extrusion air source pipeline and the first manual valve respectively connection; the first pneumatic valve is set between the air source pipeline and the extrusion air source pipeline; the first manual valve is connected with the third pneumatic valve; the third pneumatic valve is connected with the output end of the pressure stabilizing valve; The other end is connected to the exhaust gas treatment pipeline; the pressure stabilizing valve is connected to the exhaust pipeline of the storage tank; the exhaust pipeline of the storage tank is equipped with a pressure gauge of the storage tank; the exhaust pipeline of the storage tank is connected to the exhaust port connection; the liquid outlet of the filling tank is connected to one end of the mass flow meter; the other end of the mass flow meter is respectively connected to the second pneumatic valve and the second manual valve; the second pneumatic valve and the second manual valve are connected to the storage tank The discharge pipe is connected; the storage tank discharge pipe is connected with the storage tank discharge port.

The utility model has the beneficial effects relative to the prior art:

The liquid circuit module control box with a dosing device of the utility model improves the reliability of the filling dosing, and at the same time ensures that the protection back pressure can be maintained during the open filling process through the form of a pressure stabilizing valve, ensuring the safety of the filling process . The modular design is adopted to separate the liquid circuit equipment, which has a wide range of applications, improves the flexibility of use, and makes the cleaning and maintenance work after filling easier.

Description of drawings

Fig. 1 is a schematic diagram of the liquid circuit module control box with a quantitative device of the present invention.

Explanation of symbols of main components in the accompanying drawings:

In the picture:

1. Air source pipeline 2. Extruded air source pipeline

3. Spare extruded air source pipeline 4. The first manual valve

5. The first pneumatic valve 6. The third manual valve

7. The third pneumatic valve 8. Exhaust gas treatment pipeline

9. Regulator valve 10. Storage tank exhaust pipe

11. Storage tank pressure gauge 12. Storage tank exhaust port

13. Liquid outlet of filling tank 14. Mass flow meter

15. The second pneumatic valve 16. The second manual valve

17. Tank plus drain pipe 18. Tank plus drain

19. Filling tank extrusion port.

Detailed ways

The utility model is described in detail below with reference to accompanying drawing and embodiment:

Accompanying drawing 1 shows, a kind of liquid circuit module control box with quantitative device, comprises the gas source pipeline 1 that is connected with filling tank extrusion port 19, and gas source pipeline 1 is connected with extrusion gas source pipeline 2, standby extrusion respectively The air source pipeline 3 is connected with the first manual valve 4; the first pneumatic valve 5 is arranged between the air source pipeline 1 and the extrusion air source pipeline 2; the first manual valve 4 is connected with the third pneumatic valve 7; the third pneumatic valve 7 is connected to the output end of the pressure stabilizing valve 9; one end of the third manual valve 6 is connected to the stabilizing valve 9, and the other end is connected to the exhaust gas treatment pipeline 8; the stabilizing valve 9 is connected to the exhaust pipeline 10 of the storage tank; The tank exhaust pipe 10 is provided with a storage tank pressure gauge 11; the storage tank exhaust pipe 10 is connected with the storage tank exhaust port 12; the filling tank liquid outlet 13 is connected with one end of the mass flow meter 14; the mass flow meter 14 is another One end is connected with the second pneumatic valve 15 and the second manual valve 16 respectively; The second pneumatic valve 15 and the second manual valve 16 are connected with the storage tank adding discharge pipeline 17; The outlet 18 is connected.

The liquid circuit module control box with a quantitative device of the utility model adopts an open filling method and a gas extrusion filling method. The liquid circuit module box is equipped with two extrusion air sources, one is used during normal operation, and the other is used as a backup air source. The gas enters the filling tank, and the liquid in the filling tank is squeezed out from the liquid outlet of the filling tank and then enters the liquid circuit module box. The liquid circuit is equipped with a high-precision mass flowmeter, and the mass flowmeter outlet is provided with a bypass. When QF2 breaks down, the second manual valve JF2 is used for control. The exhaust port of the storage tank is connected to the rocket propellant storage tank, and a pressure gauge is installed on the pipeline to monitor the back pressure of the propellant protection. At the same time, the exhaust flow is controlled by the pressure stabilizing valve to stabilize the protection back pressure of the storage tank. At the same time, the exhaust bypass of the storage tank is set. When the pressure stabilizing valve and the third pneumatic valve QF3, or the failure pressure of the storage tank exceeds the pressure, emergency exhaust can be performed through the third manual valve JF3. The first manual valve JF1 is in the closed state during the filling process. When it is necessary to release the extruded gas from the filling tank after filling, close the third manual valve JF3 and the third pneumatic valve QF3, and open the first manual valve JF1 manually. Exhaust.

The liquid circuit module control box with a quantitative device of the utility model has an independent, high reliability, and 0.1% high-precision quantitative device. The reliability during the filling process is ensured by setting the bypass, and the pressure stabilizing valve is set to ensure that the protection back pressure can be maintained during the filling process.

Claims (1)

1. the liquid circuit module control box with proportioning device, is characterized in that: comprise the gas source pipe be connected with filling tank extrusion orifice, and gas source pipe is connected with the first manually operated valve with extruding gas source pipe, extruding gas source pipe for subsequent use respectively; The first pneumatic valve is provided with between gas source pipe and extruding gas source pipe; First manually operated valve the 3rd pneumatic valve is connected; 3rd pneumatic valve is connected with pressure maintaining valve output terminal; 3rd manually operated valve one end is connected with pressure maintaining valve, and the other end is connected with waste gas treatment pipeline; Pressure maintaining valve is connected with tank exhaust duct; Tank exhaust duct is provided with tank pressure gauge; Tank exhaust duct is connected with tank relief opening; Filling tank liquid outlet is connected with mass flowmenter one end; The mass flowmenter the other end is connected with the second manually operated valve with the second pneumatic valve respectively; Second pneumatic valve and the second manually operated valve and tank add to be let out pipeline and is connected; Tank adds to be let out pipeline and adds drain port with tank and be connected.