A flow and pressure controllable water spray noise reduction system and rocket launch assist device

Abstract

The utility model discloses a flow and pressure controllable water spraying noise reduction system and rocket launching auxiliary equipment relates to rocket launching auxiliary equipment technical field, and it is including: water storage tank, flow pump group, flow pump group connects water storage tank and drainage pipeline, water spraying pipe, water spraying pipe's first end connects drainage pipeline, and the second end of water spraying pipe sets up first control valve, circulating water pipe, circulating water pipe's first end connects drainage pipeline, and the second end of circulating water pipe connects water storage tank, and sets up second control valve on circulating water pipe. The above-mentioned flow and pressure controllable water spraying noise reduction system has solved the technical problem that the current water spraying noise reduction system cannot adjust water spraying flow, and water spraying timeliness is poor, and cannot provide large flow water flow in time, and influences the noise reduction effect, and before the rocket launches, the cooling water in the drainage pipeline keeps certain flow rate circulation, guarantees that the cooling water in the water spraying pipe can be in time, and the sufficient amount of water spraying pipe is sprayed from water spraying pipe, reaches the best noise reduction effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to rocket launch auxiliary equipment technical field, especially relate to a flow and pressure controllable water spray noise reduction system and rocket launch auxiliary equipment. BACKGROUND

[0002] Water spray noise reduction system is the important component system equipment of launch site, when rocket launch, through water spray absorption engine tail flame gasification generates heat to reach the cooling effect, simultaneously, the water vapor molecule of gasification can block the propagation of noise, and then reach the purpose of noise reduction.

[0003] But the existing water spray system of space launch site mainly adopts high water tank gravity flow to spray in the fixed pressure range value, cannot adjust pressure, and reaches controllable water spray pressure when using adjustable gas tank and water tank to match, but still cannot adjust water spray flow, and water spray timeliness is poor, cannot provide large flow water flow in time, influence noise reduction effect. UTILITY MODEL CONTENT

[0004] The utility model discloses a flow and pressure controllable water spray noise reduction system and rocket launch auxiliary equipment, solve the technical problem that the existing water spray noise reduction system cannot adjust water spray flow, and water spray timeliness is poor, cannot provide large flow water flow in time, influence noise reduction effect.

[0005] To realize above -mentioned purpose, the utility model provides a flow and pressure controllable water spray noise reduction system, include:

[0006] Water storage tank for storing cooling water;

[0007] Flow pump group, the flow pump group connects the water storage tank and drain pipeline, and the flow pump group is used for delivering cooling water in the water storage tank to the drain pipeline;

[0008] Water spray pipe, the first end of water spray pipe is connected with the drain pipeline, and the second end of water spray pipe is provided with a first control valve, and the first control valve is used for controlling the on-off of water spray pipe;

[0009] Circulating water pipe, the first end of circulating water pipe is connected with the drain pipeline, and the second end of circulating water pipe is connected with the water storage tank, and the second control valve is arranged on the circulating water pipe, and the second control valve is used for controlling the on-off of circulating water pipe.

[0010] Preferably, the flow pump set comprises two variable frequency flow pumps arranged side by side, and both of the two variable frequency flow pumps are connected to the bottom of the water storage tank through a water inlet pipe, and both of the two variable frequency flow pumps are connected to the first end of the drain pipe, and the second end of the drain pipe is connected to the three-way pipe.

[0011] Preferably, the first end of the three-way pipe is connected to the drain pipe, the second end of the three-way pipe is connected to the water spraying pipe, and the third end of the three-way pipe is connected to the circulating water pipe.

[0012] Preferably, the flow pump set is two, and both of the flow pump sets are connected to one water spraying pipe and one circulating water pipe.

[0013] Preferably, the water spraying pipe is arranged with a plurality of water spraying nozzles on the outer circumferential side.

[0014] Preferably, the two water spraying pipes are symmetrically arranged on the circumferential outer side of the launching platform, and the two water spraying pipes are parallel to each other.

[0015] Preferably, a liquid level sensor is arranged in the water storage tank.

[0016] Preferably, a filter is arranged in the water storage tank.

[0017] A rocket launching auxiliary device comprising the flow and pressure controllable water spraying noise reduction system.

[0018] With respect to the above background technology, the flow and pressure controllable water spraying noise reduction system has the following beneficial effects: the circulating water pipe is connected to the water storage tank, before the rocket is launched, the first control valve is controlled to be closed and the second control valve is controlled to be opened, the flow pump set delivers the cooling water in the water storage tank to the drain pipe, and the cooling water in the drain pipe is further delivered to the water storage tank through the circulating water pipe, so as to ensure that the cooling water in the drain pipe circulates at a certain flow rate, when the rocket is launched, the first control valve is controlled to be opened and the second control valve is controlled to be closed, the cooling water in the drain pipe directly enters the water spraying pipe at a certain flow rate, so as to ensure that the cooling water can be sprayed from the water spraying pipe in time and in sufficient amount at the moment of launching the rocket, and the best noise reduction effect is achieved. On the other hand, by adjusting the power of the flow pump set, the pressure of the cooling water sprayed from the water spraying pipe can be adjusted in a large range, the flow of the cooling water sprayed from the water spraying pipe can be flexibly controlled, so as to realize precise control of the water spraying flow, and further improve the noise reduction effect during launching the rocket. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical personnel in the art better understand the utility model scheme, the utility model will be further described in detail below with the help of the accompanying drawings and specific embodiments.

[0020] Figure 1 The working principle schematic diagram of the water spraying noise reduction system provided by the utility model embodiment.

[0021] Specifically, 1 is a water storage tank, 2 is a flow pump group, 201 is a variable frequency flow pump, 202 is a water inlet pipe, 3 is a drain pipe, 4 is a water spraying pipe, 401 is a first control valve, 5 is a circulating water pipe, 501 is a second control valve, and 6 is a water spraying nozzle. Specific embodiments

[0022] The technical solutions in the utility model embodiments will be described clearly and completely below with the help of the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In order to make the technical personnel in the art better understand the utility model scheme, the utility model will be further described in detail below with the help of the accompanying drawings and specific embodiments.

[0024] As Figure 1 shown, in order to achieve the above-mentioned purpose, the utility model provides a flow and pressure controllable water spraying noise reduction system, which comprises a water storage tank 1, a flow pump group 2, a water spraying pipe 4 and a circulating water pipe 5.

[0025] Among them, the water storage tank 1 is used to store cooling water, specifically, the water storage tank 1 is in the shape of a rectangle as a whole, and a certain amount of cooling water can be stably provided to the launching platform through the water storage tank 1.

[0026] The flow pump group 2 is connected with the water storage tank 1 and the drain pipe 3, the water in the water storage tank 1 is pumped out through the flow pump group 2, and the cooling water pumped out from the water storage tank 1 is delivered to the drain pipe 3 through the flow pump group 2.

[0027] The first end of the water spraying pipe 4 is connected to the drain pipeline 3. When the rocket is launched, the cooling water delivered into the drain pipeline 3 by the variable frequency flow pump 201 will be further delivered into the water spraying pipe 4, and the cooling water will be quickly sprayed out of the water spraying pipe 4, so as to achieve the effect of noise reduction. By adjusting the power of the flow pump set 2, the pressure of the cooling water sprayed out of the water spraying pipe 4 can be adjusted in a large range, and the flow of the cooling water sprayed out of the water spraying pipe 4 can be flexibly controlled, so as to realize accurate control of the water spraying flow, and improve the noise reduction effect during the launching of the rocket.

[0028] The lower end of the circulating water pipe 5 is connected to the drain pipeline 3, and the upper end of the circulating water pipe 5 is connected to the water storage tank 1. Before the rocket is launched, the first control valve 401 is controlled to be closed, and the second control valve 501 is controlled to be opened. The flow pump set 2 delivers the cooling water in the water storage tank 1 into the drain pipeline 3. The cooling water in the drain pipeline 3 is further delivered into the water storage tank 1 through the circulating water pipe 5, so as to ensure that the cooling water in the drain pipeline 3 circulates at a certain flow rate. When the rocket is launched, the drain pipeline 3 is connected to the water spraying pipe 4. The cooling water in the drain pipeline 3 directly enters the water spraying pipe 4 at a certain flow rate, so as to ensure that the cooling water can be sprayed out of the water spraying pipe 4 in time and in sufficient amount at the moment of launching the rocket, and the best noise reduction effect is achieved.

[0029] It should be noted that, compared with the scheme of using a high water tower tank or an adjustable gas tank, the overall water spraying noise reduction system has a smaller configuration, shortens the system construction period, and can effectively save construction funds.

[0030] It should be further noted that the first control valve 401 is arranged at the left end of the water spraying pipe 4, and the first control valve 401 can be used to control the on-off of the water spraying pipe 4. Meanwhile, the second control valve 501 is arranged on the circulating water pipe 5, and the second control valve 501 is used to control the on-off of the circulating water pipe 5. Specifically, when the first control valve 401 is opened and the second control valve 501 is closed, the drain pipeline 3 is connected to the circulating pipeline. When the first control valve 401 is closed and the second control valve 501 is opened, the drain pipeline 3 is connected to the water spraying pipe 4.

[0031] Preferably, the first control valve 401 and the second control valve 501 are both pneumatic butterfly valves. The pneumatic butterfly valve is controlled by compressed air, has the advantages of quick response, quick opening and closing, and simple operation. Moreover, the pneumatic butterfly valve has a large effective flow area when fully opened, and has small fluid resistance, which helps to improve the flow and efficiency of the pipeline system.

[0032] In use, in the initial state, the flow pump group 2 is in the shutdown state, and the first control valve 401 and the second control valve 501 are both in the closed state, before the rocket is launched, the flow pump group 2 is controlled to be started, and the second control valve 501 is opened, the flow pump group 2 delivers the cooling water in the water storage tank 1 to the drainage pipeline 3, the cooling water in the drainage pipeline 3 is further delivered to the water storage tank 1 through the circulating water pipe 5, and the cooling water in the drainage pipeline 3 keeps circulating flow at a certain flow rate, at the moment of launching the rocket, the first control valve 401 is controlled to be opened, and the second control valve 501 is closed, the cooling water in the drainage pipeline 3 rapidly enters the water spraying pipe 4 at a certain flow rate and is sprayed out of the water spraying pipe 4 in time and in sufficient quantity, and the best noise reduction effect is achieved.

[0033] In an embodiment of the utility model, the flow pump group 2 includes two parallelly arranged frequency conversion flow pumps 201, the frequency conversion flow pump 201 can set pipe network pressure according to actual water consumption, and the water output of the water pump is accurately controlled, and the two frequency conversion flow pumps 201 are both connected to the bottom of the water storage tank 1 through the water inlet pipe 202 to extract the cooling water in the water storage tank 1.

[0034] The cooling water pressure in the water spraying pipe 4 in the overall water spraying noise reduction system can be adjusted by setting the frequency of the frequency conversion flow pump 201, the flow rate in the water spraying pipe 4 can be controlled by the opening time control of the first control valve 401 and the total amount of cooling water in the water storage tank 1, and the overall water spraying noise reduction system is more convenient, safe and reliable in use.

[0035] In addition, the two frequency conversion flow pumps 201 are both connected to one end of the drainage pipeline 3, that is, the two frequency conversion flow pumps 201 can simultaneously deliver cooling water to the drainage pipeline 3, the other end of the drainage pipeline 3 is connected to a three-way pipe, the three-way pipe is a three-end opening pipe, the first end of the three-way pipe is connected to the drainage pipeline 3, the second end of the three-way pipe is connected to the water spraying pipe 4, and the third end of the three-way pipe is connected to the circulating water pipe 5, and the cooling water in the drainage pipeline 3 can be delivered to the circulating water pipe 5 and the water spraying pipe 4 through the three-way pipe.

[0036] In an embodiment of the utility model, the flow pump group 2 specifically comprises two flow pump groups 2, simultaneously, the two flow pump groups 2 are both connected to one water spraying pipe 4 and one circulating water pipe 5, the two flow pump groups 2 work synchronously, and then the water spraying pipe 4 connected to the two flow pump groups 2 can simultaneously spray cooling water to the launching platform, so that the heat of the rocket engine exhaust gas is fully absorbed, and the best cooling effect is achieved.

[0037] It should be noted that a plurality of water spraying nozzles 6 are arranged on the outer circumferential side of the water spraying pipe 4, the water spraying nozzles 6 are directed to the launching platform, the cooling water is sprayed to the launching platform through the water spraying nozzles 6, and the cooling water can contact the rocket engine exhaust gas to absorb the heat of the rocket engine exhaust gas.

[0038] Preferably, the two water spraying pipes 4 are symmetrically arranged outside the circumference of the launching platform, and the two water spraying pipes 4 are parallel to each other, and in addition, the water spraying nozzles 6 on the two water spraying pipes 4 are arranged oppositely, so that the water spraying nozzles 6 on the two water spraying pipes 4 can uniformly spray the cooling water to the launching platform, and the cooling water can further sufficiently contact the rocket engine exhaust flame to sufficiently absorb the heat of the rocket engine exhaust flame.

[0039] In an embodiment of the utility model, the circulating water pipe 5 is connected to the top of the water storage tank 1, the cooling water in the drain pipeline 3 enters the water storage tank 1 through the circulating water pipe 5, and the cooling water circulates in the drain pipeline 3 at a certain flow rate. Preferably, a filter is arranged in the water storage tank 1, and the impurities in the cooling water can be filtered before the cooling water in the circulating water pipe 5 enters the water storage tank 1, so that the impurities in the drain pipeline 3 or the circulating pipeline are prevented from being brought into the water storage tank 1 when the cooling water circulates, thereby preventing the impurities from being deposited for a long time to cause the water inlet pipe 202, the drain pipeline 3 and the water spraying pipe 4 to be blocked, and further ensuring that the cooling water in the water storage tank 1 can be timely and sufficiently sprayed from the water spraying pipe 4.

[0040] To ensure that the water storage tank 1 can continuously supply water to the water spraying pipe 4, a liquid level sensor is arranged in the water storage tank 1, the liquid level of the cooling water in the water storage tank 1 can be monitored in real time through the liquid level sensor, the water inlet water level line and the stop water level line can be preset in the water storage tank 1, when the liquid level of the cooling water in the water storage tank 1 is lower than the water inlet water level line, the cooling water is added to the water storage tank 1 through the water supply pipeline, so that the interruption of the water spraying of the water spraying pipe 4 is avoided when the rocket is launched, and the noise reduction effect during the rocket launching is ensured. When the liquid level of the cooling water in the water storage tank 1 is higher than the stop water level line, the cooling water is prevented from being added to the water storage tank 1 through the water supply pipeline, so that the cooling water in the water storage tank 1 is prevented from overflowing.

[0041] The working principle of the utility model is: under the initial state, the flow pump group 2 is in the stop state, and the first control valve 401 and the second control valve 501 are all in the closed state, before the rocket is launched, the second control valve 501 is controlled to open, at this moment, two drainage pipelines 3 in the same flow pump group 2 are all communicated with the circulating pipeline, four variable frequency flow pumps 201 in two flow pump groups 2 simultaneously deliver the cooling water in the water storage tank 1 to the corresponding drainage pipeline 3, the cooling water in the drainage pipeline 3 is further delivered to the water storage tank 1 through the corresponding circulating water pipe 5, the cooling water circulates in two circulating water pipes 5 respectively, the cooling water in the drainage pipeline 3 always keeps a certain flow rate circulating, when the rocket is launched, the first control valve 401 is controlled to open, and the second control valve 501 is controlled to close, at this moment, two drainage pipelines 3 in the same flow pump group 2 are all communicated with the water spraying pipe 4, the cooling water in the drainage pipeline 3 directly enters the water spraying pipe 4 at a certain flow rate, the cooling water is sprayed to the launching platform through the water spraying nozzle 6, the cooling water contacts the rocket engine tail flame to absorb the heat of the rocket engine tail flame gasification, simultaneously, the gasified water vapor molecules block the propagation of noise, and the purpose of noise reduction is achieved.

[0042] In addition to the above-mentioned flow and pressure controllable water spraying noise reduction system, the utility model also provides a rocket launching auxiliary equipment comprising the flow and pressure controllable water spraying noise reduction system disclosed in the above embodiment, the structures of other parts of the rocket launching auxiliary equipment refer to the prior art, and will not be repeated here.

[0043] In summary, before the rocket is launched, the cooling water in the water storage tank 1 is delivered to the drainage pipeline 3 through the flow pump group 2, the cooling water in the drainage pipeline 3 is further delivered to the water storage tank 1 through the circulating water pipe 5, so that the cooling water in the drainage pipeline 3 keeps a certain flow rate, when the rocket is launched, the cooling water in the drainage pipeline 3 directly enters the water spraying pipe 4 at a certain flow rate, so that the cooling water can be sprayed out from the water spraying pipe 4 in time and in sufficient amount at the moment of the rocket launching, and the best noise reduction effect is achieved.

[0044] It should be noted that in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between the entities.

[0045] The principle and implementation mode of the utility model are described by applying specific examples in the present article, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model.

Claims

1. A flow and pressure controllable water jet noise reduction system, characterized in that, The application relates to a water spraying noise reduction system with controllable flow and pressure. The water spraying noise reduction system comprises a water storage tank for storing cooling water, a flow pump group connected with the water storage tank and a water drainage pipeline, the flow pump group being used for conveying the cooling water in the water storage tank to the water drainage pipeline, a water spraying pipe with a first end connected with the water drainage pipeline and a second end provided with a first control valve for controlling the on-off of the water spraying pipe, and a circulating water pipe with a first end connected with the water drainage pipeline and a second end connected with the water storage tank, and a second control valve is arranged on the circulating water pipe for controlling the on-off of the circulating water pipe. The flow pump group comprises two frequency conversion flow pumps arranged side by side, and the two frequency conversion flow pumps are both connected with the bottom of the water storage tank through water inlet pipes, and the two frequency conversion flow pumps are both connected with the first end of the water drainage pipeline, and the second end of the water drainage pipeline is connected with a three-way pipe. The first end of the three-way pipe is connected with the water drainage pipeline, the second end of the three-way pipe is connected with the water spraying pipe, and the third end of the three-way pipe is connected with the circulating water pipe. The flow pump group is specifically two, and the two flow pump groups are both connected with one water spraying pipe and one circulating water pipe.

2. The flow and pressure controllable water jet noise reduction system of claim 1, wherein, The water spraying pipe is provided with a plurality of water spraying nozzles arranged on the outer circumferential side.

3. The flow and pressure controllable water jet noise reduction system of claim 2, wherein, The two water spraying pipes are symmetrically arranged on the circumferential outer side of a launching platform and are parallel to each other.

4. The flow and pressure controllable water jet noise reduction system of claim 3, wherein, A liquid level sensor is arranged in the water storage tank.

5. The flow and pressure controllable water jet noise reduction system of claim 4, wherein, A filter is arranged in the water storage tank.

6. The flow and pressure controllable water jet noise reduction system of claim 5, wherein, The application further discloses a water spraying noise reduction system with controllable flow and pressure.

7. The flow and pressure controllable water jet noise reduction system of claim 1, wherein, ​ 8. The flow and pressure controllable water jet noise reduction system of claim 1, wherein, ​ 9. A rocket launch assist apparatus, characterized by, ​

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