CN211149750U

CN211149750U - Novel training device for liquid rocket normal-temperature propellant sampler

Info

Publication number: CN211149750U
Application number: CN201922312593.6U
Authority: CN
Inventors: 苏永芝; 李俊; 赵海燕
Original assignee: Pla Strategic Support Force Aerospace Engineering University Sergeant School
Current assignee: Pla Strategic Support Force Aerospace Engineering University Sergeant School
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-31
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a novel liquid rocket normal atmospheric temperature propellant sampler training device, including basin and sample jar, the top of basin is provided with high-order sample interface, meso position sample interface, low level sample interface, return-air interface, feed liquor interface and pressure boost interface respectively, the one end fixed connection of high-order sample interface and high-order sample valve, the one end fixed connection of meso position sample interface and meso position sample valve, the one end fixed connection of low level sample interface and low level sample valve, the other end of high level sample valve, the other end of meso position sample valve and the other end of low level sample valve all pass through pipeline and cross fixed connection, the bottom fixed connection of pipeline and sample jar is passed through at the top of cross. The utility model discloses a set up sample jar, high-order sample valve, meso position sample valve, low level sample valve, balanced valve and pressure-increasing valve for the device leaks risk greatly reduced in the sample in-process, and the sample is more accurate, and the sample process is more directly perceived.

Description

Novel training device for liquid rocket normal-temperature propellant sampler

Technical Field

The utility model relates to a sample training device technical field specifically is a novel liquid rocket normal atmospheric temperature propellant sampler training device.

Background

The liquid propellant assay is one of the most important links in the propellant research and application process, and the purity of the liquid propellant assay is high and low, and the quality of the liquid propellant assay directly influences the success or failure of a launching task. The sampler of the liquid rocket propellant is an indispensable device for testing the propellant, most of normal-temperature liquid propellants have the characteristics of inflammability, explosiveness, high toxicity and the like, the phenomena of running, overflowing, dripping, leakage and the like can occur in the sampling process, the operation has certain danger and great potential hazard, in addition, the sampling requirements of different propellants are different, the technical requirements are also different, the operation is strictly carried out according to the requirements, and the quality change and the chemical reaction of a female parent and a child sample are ensured not to occur.

In a launching site, liquid propellant sampling work is usually operated in a cave depot, leakage risks exist in the sampling process, not only are storehouse equipment corroded, but also the physical health of operators and the environment of the launching site are influenced, therefore, the operators usually lack the opportunity of real-installation operation training before going on duty, and in view of the above, the training device suitable for liquid rocket normal-temperature propellant sampling is provided, targeted scientific training is carried out before the duty, and the risks occurring in the actual post working process can be effectively reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a novel liquid rocket normal atmospheric temperature propellant sampler training device to there is the leakage risk in the current sampling process who provides in solving above-mentioned background art, not only corrodes storehouse equipment, influences the problem of the healthy and launching site environment of operating personnel moreover.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel training device for a liquid rocket normal-temperature propellant sampler comprises a storage tank and a sampling tank, wherein the top of the storage tank is respectively provided with a high-level sampling interface, a middle-level sampling interface, a low-level sampling interface, an air return interface, a liquid inlet interface and a pressurizing interface, the high-level sampling interface is fixedly connected with one end of a high-level sampling valve, the middle-level sampling interface is fixedly connected with one end of the middle-level sampling valve, the low-level sampling interface is fixedly connected with one end of a low-level sampling valve, the other end of the high-level sampling valve, the other end of the middle-level sampling valve and the other end of the low-level sampling valve are fixedly connected with a cross through pipelines, the top of the cross is fixedly connected with the bottom of the sampling tank through a pipeline, a liquid taking valve is arranged on the pipeline between the cross and the sampling tank, a liquid taking pipe is fixed at the outlet of the liquid taking valve, the air return, the other end of balance valve and three-way side fixed connection, three-way top is fixed with discharge valve, three-way bottom and the top fixed connection of sample jar, the feed liquor kneck is fixed with the feed liquor valve, the one end fixed connection that the pressure boost interface passes through pipeline and pressure boost valve, the other end of pressure boost valve passes through pipeline and gas cylinder fixed connection.

Preferably, the storage tank and the sampling tank are both fixed on the bracket.

Preferably, the inside of the storage tank is provided with a high-position sampling tube, a middle-position sampling tube and a low-position sampling tube respectively, the high-position sampling tube is fixedly connected with the high-position sampling interface, the middle-position sampling tube is fixedly connected with the middle-position sampling interface, the low-position sampling tube is fixedly connected with the low-position sampling interface, and the lengths of the high-position sampling tube, the middle-position sampling tube and the low-position sampling tube are sequentially increased.

Preferably, a pressure gauge is arranged on a pipeline on one side of the pressurization valve, which is close to the pressurization interface.

Preferably, the bottom of the storage tank is provided with a drain valve.

Preferably, the storage tank and the sampling tank are transparent tank bodies, and scales are arranged on the outer surface of the sampling tank.

(III) advantageous effects

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

(1) the utility model discloses basin and sample jar all adopt transparent material to make for the student is more directly perceived to structure cognition, principle grasp, flow demonstration in the experimentation, and it has corresponding training to be convenient for develop before the operating personnel post.

(2) The utility model discloses a water replaces liquid propellant to develop the training, and green can not cause potential harm to equipment and the person.

(3) The utility model discloses it is miniaturized, remove convenient, can keep away from dangerous places such as rocket propellant storage storehouse and operate the training, can effectively reduce the risk that takes place in the actual post working process, and the sampling accuracy is high, and the risk of leaking is less in the sampling process.

Drawings

FIG. 1 is an appearance diagram of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the storage tank of the present invention.

The reference numbers in the figures are: 1. a storage tank; 2. a sampling tank; 3. a support; 4. a high-order sampling interface; 5. a median sampling interface; 6. a low-level sampling interface; 7. an air return interface; 8. a liquid inlet interface; 9. a pressurizing interface; 10. a high-level sampling valve; 11. a neutral sampling valve; 12. a low-level sampling valve; 13. four-way connection; 14. a liquid taking valve; 15. a liquid taking pipe; 16. a balancing valve; 17. a tee joint; 18. an exhaust valve; 19. a pressure increasing valve; 20. a gas cylinder; 21. a pressure gauge; 22. a drain valve; 23. a liquid inlet valve; 24. a high-order sampling tube; 25. a middle position sampling tube; 26. a low-level sampling tube.

Detailed Description

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

Referring to fig. 1-2, the present invention provides an embodiment: a novel training device for a liquid rocket normal temperature propellant sampler comprises a storage tank 1 and a sampling tank 2, wherein the top of the storage tank 1 is respectively provided with a high-level sampling interface 4, a middle-level sampling interface 5, a low-level sampling interface 6, an air return interface 7, a liquid inlet interface 8 and a pressurizing interface 9, the high-level sampling interface 4 is fixedly connected with one end of a high-level sampling valve 10, the middle-level sampling interface 5 is fixedly connected with one end of a middle-level sampling valve 11, the low-level sampling interface 6 is fixedly connected with one end of a low-level sampling valve 12, the other end of the high-level sampling valve 10, the other end of the middle-level sampling valve 11 and the other end of the low-level sampling valve 12 are fixedly connected with a cross-way 13 through pipelines, the top of the cross-way 13 is fixedly connected with the bottom of the sampling tank 2 through a pipeline, a liquid taking valve 14 is arranged on the pipeline between the cross-way, the air return interface 7 is fixedly connected with one end of a balance valve 16 through a pipeline, the other end of the balance valve 16 is fixedly connected with the side end of a tee joint 17, the balance valve 16 is used for balancing the pressure of the storage tank 1 and the sampling tank 2, the propellant liquid in the sampling tank 2 can conveniently flow back to the storage tank 1, an exhaust valve 18 is fixed at the top end of the tee joint 17, the bottom end of the tee joint 17 is fixedly connected with the top of the sampling tank 2, a liquid inlet valve 23 is fixed at a liquid inlet interface 8, a pressurization interface 9 is fixedly connected with one end of a pressurization valve 19 through a pipeline, the other end of the pressurization valve 19 is fixedly connected with a gas cylinder 20 through a pipeline, the pressurization valve 19 is used for controlling the pressurization operation of the storage tank 1, and the gas cylinder 20 is used for storing.

Further, a storage tank 1 and a sampling tank 2 are fixed on a support 3, the storage tank 1 is used for storing propellant liquid, the sampling tank 2 is used for storing the propellant liquid extracted from different liquid levels of the storage tank 1, and the support 3 is used for supporting the whole device.

Further, the inside of storage tank 1 is provided with high-order sampling tube 24 respectively, meso position sampling tube 25 and low level sampling tube 26, high-order sampling tube 24 and high-order sample interface 4 fixed connection, meso position sampling tube 25 and meso position sample interface 5 fixed connection, low level sampling tube 26 and low level sample interface 6 fixed connection, and high-order sampling tube 24, the length of meso position sampling tube 25 and low level sampling tube 26 scales up in proper order, high-order sampling tube 24, meso position sampling tube 25 and low level sampling tube 26 stretch into respectively to storage tank 1 upper strata, the middle level and then the low level liquid level.

Further, a pressure gauge 21 is arranged on a pipeline at one side of the pressurization valve 19 close to the pressurization interface 9, and the pressure gauge 21 is used for monitoring the pressure in the storage tank 1.

Further, a drain valve 22 is provided at the bottom of the tank 1.

Further, basin 1 and sample jar 2 are transparent jar of body, and are provided with the scale on the surface of sample jar 2, and the design of scale is convenient for observe the liquid level condition of sample jar 2, convenient operation.

The working principle is as follows: opening a pressure increasing valve 19, providing 0.08-0.1 MPa pressure for a storage tank 1 through an air bottle 20, connecting the storage tank 1 with a pressure gauge 21 for monitoring the internal pressure in real time, selecting to open a valve combination of a low-level sampling valve 12, a middle-level sampling valve 11 and a high-level sampling valve 10 according to the height of liquid level in the storage tank 1, opening an exhaust valve 18, pressing liquid in the storage tank 1 into a sampling tank 2 due to certain pressure in the storage tank 1, observing the liquid level condition of the sampling tank 2 in real time through scales outside the sampling tank 2, closing each sampling valve after the sampling tank 2 is filled with liquid, closing the exhaust valve 18, placing a sampling vessel at the outlet of the sampling tank 2, opening a liquid taking valve 14, enabling the liquid in the sampling tank 2 to flow into the sampling vessel through a liquid taking pipe 15 under the action of gravity, sampling the liquid according to task requirements, thereby completing sampling operation, opening a balance valve 16 after sampling is finished, balancing the pressure of the storage tank 1 and the sampling tank 2, opening the high-level sampling valve 10, the middle-level sampling valve 11 and the low-level sampling valve 12 to enable the liquid in the sampling tank 2 to flow back to the storage tank 1, and opening the drain valve 22 to empty the liquid in the sampler after all the liquid flows back to the storage tank 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a novel liquid rocket normal atmospheric temperature propellant sampler training device, includes basin (1) and sample jar (2), its characterized in that: the top of the storage tank (1) is respectively provided with a high-level sampling interface (4), a middle-level sampling interface (5), a low-level sampling interface (6), an air return interface (7), a liquid inlet interface (8) and a pressurizing interface (9), the high-level sampling interface (4) is fixedly connected with one end of a high-level sampling valve (10), the middle-level sampling interface (5) is fixedly connected with one end of a middle-level sampling valve (11), the low-level sampling interface (6) is fixedly connected with one end of a low-level sampling valve (12), the other end of the high-level sampling valve (10), the other end of the middle-level sampling valve (11) and the other end of the low-level sampling valve (12) are fixedly connected with a cross joint (13) through pipelines, the top of the cross joint (13) is fixedly connected with the bottom of a sampling tank (2) through pipelines, and a liquid taking valve (14) is arranged on the pipeline between the cross joint (13) and the sampling tank (2), get the exit of liquid valve (14) and be fixed with liquid taking pipe (15), return-air interface (7) are through the one end fixed connection of pipeline with balanced valve (16), the other end of balanced valve (16) and the side fixed connection of tee bend (17), the top of tee bend (17) is fixed with discharge valve (18), the bottom of tee bend (17) and the top fixed connection of sample jar (2), feed liquor interface (8) department is fixed with feed liquor valve (23), pressure boost interface (9) are through the one end fixed connection of pipeline with pressure boost valve (19), the other end of pressure boost valve (19) passes through pipeline and gas cylinder (20) fixed connection.

2. The novel training device for the sampler of the liquid rocket normal-temperature propellant, as claimed in claim 1, is characterized in that: the storage tank (1) and the sampling tank (2) are both fixed on the bracket (3).

3. The novel training device for the sampler of the liquid rocket normal-temperature propellant, as claimed in claim 1, is characterized in that: the utility model discloses a high-order sampling device, including storage tank (1), high-order sampling tube (24), meso position sampling tube (25) and low level sampling tube (26) are provided with respectively to the inside of storage tank (1), high-order sampling tube (24) and high-order sampling interface (4) fixed connection, meso position sampling tube (25) and meso position sampling interface (5) fixed connection, low level sampling tube (26) and low level sampling interface (6) fixed connection, just the length of high-order sampling tube (24), meso position sampling tube (25) and low level sampling tube (26) increases progressively in proper order.

4. The novel training device for the sampler of the liquid rocket normal-temperature propellant, as claimed in claim 1, is characterized in that: and a pressure gauge (21) is arranged on the pipeline at one side of the pressurization valve (19) close to the pressurization interface (9).

5. The novel training device for the sampler of the liquid rocket normal-temperature propellant, as claimed in claim 1, is characterized in that: the bottom of the storage tank (1) is provided with a drain valve (22).

6. The novel training device for the sampler of the liquid rocket normal-temperature propellant, as claimed in claim 1, is characterized in that: the storage tank (1) and the sampling tank (2) are transparent tank bodies, and scales are arranged on the outer surface of the sampling tank (2).