CN108791792B - A kind of hydroreactive metal fuel eddy flow punching press marine propuision system - Google Patents

A kind of hydroreactive metal fuel eddy flow punching press marine propuision system Download PDF

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Publication number
CN108791792B
CN108791792B CN201810620097.4A CN201810620097A CN108791792B CN 108791792 B CN108791792 B CN 108791792B CN 201810620097 A CN201810620097 A CN 201810620097A CN 108791792 B CN108791792 B CN 108791792B
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punching press
combustion chamber
water
casing
flow generator
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CN108791792A (en
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宋丹路
单芮明
张彪
周红燕
宋岳干
张德虎
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/02Use of propulsion power plant or units on vessels the vessels being steam-driven

Abstract

The invention discloses a kind of hydroreactive metal fuel eddy flow punching press marine propuision systems, purpose is to solve in existing marine propuision system, traditional propeller propulsion system highest ship's speed is restricted, and when using water punching press hydraulic jet propulsion, there are problems that the defects of water and metal reaction form, speed are difficult to control in combustion chamber.The hydroreactive metal fuel eddy flow punching press marine propuision system includes water storage container, high-pressure pump, high voltage power system, stable water pressure unit, casing, rotational flow generator, air supply system, punching press cone, combustion chamber, jet pipe, metallic particles feed system, and the rotational flow generator, punching press cone, combustion chamber are successively set in casing.The present invention utilizes artificial ventilation's cavitation and eddy flow punching press, increase fluid velocity and temperature before entering combustion chamber, increase the contact area of the fluid entered in combustion chamber and metallic particles, reaction rate is accelerated, to realize room temperature, condition of normal pressure is lauched and the controllable sustained response of metallic particles.

Description

A kind of hydroreactive metal fuel eddy flow punching press marine propuision system
Technical field
The present invention relates to field of energy source power, specially a kind of hydroreactive metal fuel eddy flow punching press marine propuision system.
Background technique
In high speed operation, cavitation occurs for the liquid near propeller blade, to subtract on the naval vessel promoted using propeller The thrust magnitude that small propeller generates, and propeller blade surface is highly susceptible to the effect that cavitation is degraded, it is serious to be also possible to Destroy the blade of propeller.Therefore, the use scope on the naval vessel promoted using propeller is greatly limited.It is above-mentioned to avoid The occurrence of, there has been proposed underwater jet propulsion technologies.
Traditional naval vessel jet propulsion system, it is main that the pump pressure hydraulic jet propulsion that power adds propulsion to pump is fired by bavin.Using pump When pressing hydraulic jet propulsion as ship power, there is efficiently acceleration, the high speed of a ship or plane, shallow draft navigation, unrivaled manipulation Property and comfortable quietly voyage etc. advantages, make hydraulic propeller become high-speed craft (such as: ferryboat, workboat, guard boat and yacht Deng) main propulsioning means.Technological progress in terms of Performance And Reliability, so that hydraulic jet propulsion has bigger development.
However, there is also some defects not yet overcome for existing hydraulic jet propulsion system:
(1) the jolting in water due to ship causes biggish function so that uneven flow field is presented in propeller water inlet Rate loss;
(2) defect of water system itself is pushed away due to being pumped, ship thrust in turning can disappear;
(3) impeller for replacing propulsion pump is complex;
(4) when ship speed is lower than 36km/h, the efficiency of hydraulic jet propulsion is lower than propeller;
(5) the shallow draft navigation of hydraulic propeller, brings the wind in grit more waters rubble and grit intake system Danger.
Based on drawbacks described above, people, which begin one's study, carries out jet propulsion using water punching press, advances as Future Ship dynamic Power.The main power source of water punching press hydraulic jet propulsion is the high-energy of water metal fuel the reaction high pressure gas generated and release, because This, hydroreactive metal fuel is most important for water punching engine.From view of thermokinetics, some metals (such as aluminium, Magnesium and lithium etc.) reacted with water be it is exothermic, these metals are referred to as water reacting metal.It is water punching press hair that metal fuel is reacted with water One of key technology of motivation, there are following technological difficulties:
(1) the smooth starting that metal fuel is reacted with water how is controlled;
(2) organizational form of metal fuel and water;
(3) speed etc. that metal fuel is reacted with water how is improved.
Therefore, it is necessary to a kind of hydroreactive metal fuel eddy flow punching press marine propuision systems, to solve the above problems.
Summary of the invention
Goal of the invention of the invention is: in existing marine propuision system, when using water punching press hydraulic jet propulsion, depositing The problem of the defects of water and metal reaction form, speed are difficult to control in combustion chamber, provides a kind of hydroreactive metal fuel rotation Flow punching press marine propuision system.The present invention utilizes artificial ventilation's cavitation and eddy flow punching press, increases into the fluid before combustion chamber Speed and temperature increase the contact area of the fluid entered in combustion chamber and metallic particles, and reaction rate is accelerated, to realize Room temperature, condition of normal pressure be lauched with metallic particles controllable sustained response, it is low in cost, it is high-efficient.Present inventive concept is ingenious, design Rationally, and various operating conditions are adapted to, with good application prospect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of hydroreactive metal fuel eddy flow punching press marine propuision system, including water storage container, high-pressure pump, high voltage power system System, stable water pressure unit, casing, rotational flow generator, air supply system, punching press cone, combustion chamber, jet pipe, metallic particles supply system System, the rotational flow generator, punching press cone, combustion chamber are successively set in casing, the metallic particles feed system and burning Room is connected and metallic particles feed system can provide metallic particles into combustion chamber to meet metallic particles and water in the combustion chamber The needs of reaction;
The water storage container, high-pressure pump, stable water pressure unit, the rotational flow generator being arranged in casing are sequentially connected and store up Water in water container can flow into the rotational flow generator of casing after high-pressure pump pressurization, stable water pressure unit pressure stabilizing and generate high speed water Stream, the high voltage power system is connected with high-pressure pump and high voltage power system can drive in turn high pressure to high-pressure pump output power Pump high speed rotation;
The rotational flow generator, punching press cone, combustion chamber, jet pipe axially set gradually along casing and through rotational flow generator streams Fluid out and the mixture of air generation high temperature and high speed steam and through jet pipe after successively stamped cone effect, combustion chamber reacts It sprays, the gas that the air supply system is connected with casing and air supply system provides passes through punching press cone after mixing with high-velocity flow Body.
The high voltage power system is diesel engine or gasoline engine.
The air supply system is that several and air supply system are distributed on casing.
The axial direction of straight line and casing where the high-pressure pump, stable water pressure unit, rotational flow generator is not in same straight line On.
The metallic particles feed system is aluminum particle feed system or magnesium powder particle feed system or magnalium mixing Particle feed system.
The stable water pressure unit includes accumulator, shut-off valve, and the water storage container, high-pressure pump, accumulator, eddy flow occur Device is sequentially connected, and the shut-off valve is arranged on the pipeline between accumulator and rotational flow generator and is adjustable list by shut-off valve Enter the water flow of combustion chamber in the time of position.
For foregoing problems, the present invention provides a kind of hydroreactive metal fuel eddy flow punching press marine propuision system.The system Including water storage container, high-pressure pump, high voltage power system, accumulator, shut-off valve, casing, rotational flow generator, air supply system, punching press Cone, combustion chamber, jet pipe, metallic particles feed system, rotational flow generator, punching press cone, combustion chamber are successively set in casing. In the present invention, water storage container can may be water inlet for pond.
Wherein, water storage container, high-pressure pump, stable water pressure unit, the rotational flow generator being arranged in casing are sequentially connected, storage Water in water container first flows into rotational flow generator after high-pressure pump pressurization, stable water pressure unit pressure stabilizing;High voltage power system and height Press pump is connected, and is used for as high-pressure pump output power, and then drives high-pressure pump high speed rotation;Rotational flow generator, punching press cone, combustion It burns room to be successively set in casing, rotational flow generator, punching press cone, combustion chamber, jet pipe are successively set on the axis of casing;Rotation The fluid of flow-generator outflow, followed by punching press cone, combustion chamber.After high pressure water flows into rotational flow generator, high speed can be generated Fluid;High pressure water flows into rotational flow generator, and the part high-velocity flow after outflow contacts generation vaporization with tube wall, managed according to cavitation By, in the case where being passed through air effect, the flow at high speed in tube wall;Air supply system is connected with casing, and air supply system can provide air, In Vacuole is formed between high-velocity flow and casing, high-velocity flow is isolated with tube wall, so that fluid is under cavitation conditions in tube wall Flow at high speed.Later, the mixed high-velocity fluid of liquid water, vapor, air is risen by temperature, pressure after punching press cone, Into in combustion chamber, part high temperature, high pressure, high speed vapor are reacted with the indoor metallic particles that burns, and are released a large amount of Heat reacts metallic particles and water in combustion chamber sufficiently, and operative liquid water absorbs metallic particles and reacts the heat released with water, turns Turn to vapor.Combustion chamber generates a large amount of high temperature and high speed steam, sprays by nozzle, and then pushes Ship Motion.
In the present invention, high voltage power system can be one of diesel engine or gasoline engine or a variety of.
Preferably, air supply system is several, and it is evenly distributed on casing.Preferably, metallic particles supply system Metallic particles in system is aluminium powder or magnesium powder.
In the application, stable water pressure unit includes accumulator, shut-off valve, water storage container, high-pressure pump, accumulator, eddy flow hair Raw device is sequentially connected, and shut-off valve is arranged on the pipeline between accumulator and rotational flow generator.
In the application, high-pressure pump, accumulator are connected with the rotational flow generator in casing, and the water through high-pressure pump output, which flows into, to be stored Energy device, then rotational flow generator is flowed into, shut-off valve is on the pipeline between accumulator and rotational flow generator.Rotational flow generator, punching press Cone, combustion chamber are successively set in casing, and air supply system is connected with casing, and air supply system is several, and is evenly distributed on On casing.Rotational flow generator, punching press cone, combustion chamber, jet pipe are successively set on the axis of casing.Metallic particles feed system It is connected with combustion chamber, metallic particles feed system can supply combustion chamber aluminium powder or magnesium powder.Air supply system can provide air, be formed empty Bubble, is isolated high-velocity flow with tube wall, so that fluid flow at high speed in tube wall under cavitation conditions, and then pass through punching press cone After can react with metallic particles.
When hydroreactive metal fuel eddy flow punching press marine propuision system works, high-pressure hydraulic pump is driven with high voltage power system, Water through high-pressure pump output flows into accumulator, and the water flow for entering combustion chamber in the unit time is adjusted by adjustable cut-off valve.It is high Water is pressed to flow into rotational flow generator, the part high-velocity flow after outflow contacts generation vaporization with tube wall;According to cavitation theory, it is being passed through Under air effect, there is cavitation in fluid, so that fluid flow at high speed in tube wall under cavitation conditions.High-velocity flow and part gas After the fluid-mixing of body flows through punching press cone, pressure and temperature is risen rapidly, and operative liquid water generates vaporization.The liquid water of high temperature It after flowing through punching press body with vapor, into combustion chamber, is reacted with metallic particles, releases a large amount of heat;At this point, water is oxidation Agent, metallic particles are fuel.Operative liquid water absorbs metallic particles and reacts the heat released with water, is converted into vapor, promotes Combustion chamber generates a large amount of high temperature and high speed steam and sprays through jet pipe.
In conclusion utilizing people the invention discloses a kind of hydroreactive metal fuel eddy flow punching press marine propuision system Work ventilation cavitation and eddy flow punching press, increase the fluid for making to enter in combustion chamber into the fluid velocity and temperature before combustion chamber Increase with the contact area of metallic particles, improve the reaction rate of fluid and fuel, greatly improve thrust, overcomes existing There is the shortcomings that naval vessel promotion.In the present invention, high-pressure pump is driven with dynamic power machine, high pressure water passes through rotational flow generator, will be in tube wall Interior flow at high speed, according to cavitation theory, high-speed motion water flow and tube wall solid contact surface can generate vaporization;Meanwhile it will compress Air is injected in tube wall by the way of certain, and to guarantee to generate the condition of cavitation, the fluid in such tube wall is able to maintain that height Speed flowing;After the fluid-mixing of high-velocity flow and part steam flows through punching press cone, pressure and temperature is risen rapidly, operative liquid Water generates vaporization;Liquid water and steam flows through punching press body, into combustion chamber, is reacted with solid metal particles, at this time water It is oxidant, solid metal particles are fuel, and combustion chamber generates a large amount of high temperature and high speed steam, are sprayed from jet pipe.Structure of the present invention Think ingenious, design rationally, and adapts to various operating conditions, with good application prospect.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1) present invention generates the fluid of high-voltage high-speed by artificial ventilation's cavitation and eddy flow punching press, increases and metal powder Contact area accelerates reaction rate, and then generates biggish thrust and propulsive efficiency;
2) present invention can be used for the propulsion system of high-speed ship, if ship's speed is sufficiently fast, dynamic power machine and high-pressure hydraulic pump can To stop working, high-velocity flow is introduced directly into rotational flow generator, the high temperature and high speed steam of generation, injection promotion Ship Motion;
3) the present invention is based on the improvement of structure, using artificial ventilation's cavitation so that the speed of fluid will not decline it is excessive, It is able to maintain the flow at high speed of fluid;
4) present inventive concept is ingenious, design rationally, structure is simple, can apply to general high speed, high-performance naval vessel, have compared with Good adaptability;
5) present invention realizes room temperature, condition of normal pressure is lauched and the controllable sustained response of metallic particles, adaptable, operation height Effect is stablized, and has a good application prospect in fields such as New Marine propulsion systems, and the saving to the protection of environment, resource has Great meaning, be worth large-scale promotion and application.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is course of work schematic diagram of the invention.
Marked in the figure: 1, water storage container, 2, high-pressure pump, 3, high voltage power system, 4, accumulator, 5, shut-off valve, 6, casing, 7, rotational flow generator, 8, air supply system, 9, punching press cone, 10, combustion chamber, 11, jet pipe, 12, metallic particles feed system.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics .
Embodiment 1
As shown, the device includes water storage container, high-pressure pump, high voltage power system, stable water pressure unit, casing, rotation Flow-generator, air supply system, punching press cone, combustion chamber, jet pipe, metallic particles feed system, rotational flow generator, punching press cone, Combustion chamber is successively set in casing.
Wherein, water storage container is connected with high-pressure pump, and high voltage power system is connected with high-pressure pump and high voltage power system can To high-pressure pump output power and then drive high-pressure pump high speed rotation.In the present embodiment, high voltage power system is diesel engine.Meanwhile High-pressure pump, stable water pressure unit and the rotational flow generator in casing are sequentially connected, the water exported through high-pressure pump, stable water pressure unit Flow into rotational flow generator.In the structure, the water in water storage container can flow into machine after high-pressure pump pressurization, stable water pressure unit pressure stabilizing The rotational flow generator of casket simultaneously generates high-velocity flow.In the present embodiment, stable water pressure unit includes accumulator, shut-off valve, and water storage holds Device, high-pressure pump, accumulator, rotational flow generator are sequentially connected, and the pipeline between accumulator and rotational flow generator is arranged in shut-off valve On, the water flow for entering combustion chamber in the unit time is adjustable by shut-off valve.
Meanwhile air supply system is connected with casing, in the present embodiment, air supply system is several, and is evenly distributed on casing On.Rotational flow generator, punching press cone, combustion chamber, jet pipe are successively set on the axis of casing;The stream flowed out through rotational flow generator First stamped cone effect, temperature and pressure rise rapidly the mixture of body and air, and operative liquid water generates vaporization;High temperature Liquid water and steam enters back into combustion chamber, is reacted with metallic particles magnesium or aluminium, and a large amount of heat is released;At this point, water is oxygen Agent, metallic particles are fuel;The heat that operative liquid water absorbing reaction is released, is converted into vapor, combustion chamber is promoted to generate A large amount of high temperature and high speed steam;High temperature and high speed steam is sprayed through jet pipe again, and then naval vessel is pushed to advance.In the present embodiment, high pressure Dynamical system is diesel engine or gasoline engine.
It further include metallic particles feed system in the present embodiment, metallic particles feed system is connected with combustion chamber, metal Grain feed system can provide metallic particles into combustion chamber to meet the needs that metallic particles reacts in the combustion chamber with water.This reality It applies in example, metallic particles feed system is that aluminum particle feed system or magnesium powder particle feed system or magnalium hybrid particles supply To one of system or a variety of.In the structure, metallic particles feed system is connected with combustion chamber, is used to provide to combustion chamber The mixture of metallic particles magnesium or aluminium or both.Air supply system can provide air, form vacuole, make high-velocity flow and tube wall every From, so that fluid flow at high speed in tube wall under cavitation conditions, and then by that can occur with metallic particles after punching press cone Reaction.
Further, which further includes stable water pressure unit, and water storage container, stable water pressure unit, is arranged in machine high-pressure pump Rotational flow generator in casket is sequentially connected, and the water in water storage container is successively through high-pressure pump pressurization, energy after stable water pressure unit pressure stabilizing The rotational flow generator of casing is flowed into, and generates high-velocity flow.In the present embodiment, stable water pressure unit includes accumulator, shut-off valve, Water storage container, high-pressure pump, accumulator, rotational flow generator are sequentially connected, and shut-off valve is arranged between accumulator and rotational flow generator Pipeline on and the water flow for entering combustion chamber in the unit time is adjustable by shut-off valve.
When hydroreactive metal fuel eddy flow punching press marine propuision system works, high-pressure hydraulic pump is driven with high voltage power system, Water through high-pressure pump output flows into accumulator, and the water flow for entering combustion chamber in the unit time is adjusted by adjustable cut-off valve.It is high Water is pressed to flow into rotational flow generator, the part high-velocity flow after outflow contacts generation vaporization with tube wall;According to cavitation theory, it is being passed through Under air effect, there is cavitation in fluid, so that fluid flow at high speed in tube wall under cavitation conditions.High-velocity flow and part gas After the fluid-mixing of body flows through punching press cone, pressure and temperature is risen rapidly, and operative liquid water generates vaporization.The liquid water of high temperature It after flowing through punching press body with vapor, into combustion chamber, is reacted with metallic particles, releases a large amount of heat;At this point, water is oxidation Agent, metallic particles are fuel.Operative liquid water absorbs metallic particles and reacts the heat released with water, is converted into vapor, promotes Combustion chamber generates a large amount of high temperature and high speed steam and sprays through jet pipe.
The present invention utilizes artificial ventilation's cavitation, and fluid velocity is kept not decline excessively;Using eddy flow punching press, height is produced The water and steam two phase flow of warm high speed, enable metallic particles sufficiently to react with water, and then generate a large amount of high temperature and high speed steam.This Inventive concept is ingenious, realize room temperature, condition of normal pressure be lauched with the controllable sustained response of metallic particles, it is low in cost, it is high-efficient, if Meter rationally, adapts to various operating conditions, with good application prospect.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed New feature or any new combination, and disclose any new method or process the step of or any new combination.

Claims (7)

1. a kind of hydroreactive metal fuel eddy flow punching press marine propuision system, which is characterized in that including water storage container, high-pressure pump, High voltage power system, stable water pressure unit, casing, rotational flow generator, air supply system, punching press cone, combustion chamber, jet pipe, metal Particle feed system, the rotational flow generator, punching press cone, combustion chamber are successively set in casing, the metallic particles supply System is connected with combustion chamber and metallic particles feed system can provide metallic particles into combustion chamber to meet metallic particles and water The needs reacted in the combustion chamber;
The water storage container, high-pressure pump, stable water pressure unit, the rotational flow generator being arranged in casing are sequentially connected and water storage holds Water in device can flow into the rotational flow generator of casing after high-pressure pump pressurization, stable water pressure unit pressure stabilizing and generate high-velocity flow, The high voltage power system is connected with high-pressure pump and high voltage power system can drive in turn high-pressure pump to high-pressure pump output power High speed rotation;
The rotational flow generator, punching press cone, combustion chamber, jet pipe axially set gradually along casing and through rotational flow generator outflows Fluid successively generates high temperature and high speed steam after stamped cone effect, combustion chamber are reacted with the mixture of air and sprays through jet pipe Out, the gas that the air supply system is connected with casing and air supply system provides passes through punching press cone after mixing with high-velocity flow.
2. hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 1, which is characterized in that the high pressure Dynamical system is diesel engine or gasoline engine.
3. hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 1, which is characterized in that the gas supply System is that several and air supply system are distributed on casing.
4. hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 1, which is characterized in that the high pressure The axial direction of pump, straight line where stable water pressure unit, rotational flow generator and casing is not on the same line.
5. any one hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 1 ~ 4, which is characterized in that The metallic particles feed system is aluminum particle feed system or magnesium powder particle feed system or the supply of magnalium hybrid particles System.
6. any one hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 1 ~ 4, which is characterized in that The stable water pressure unit includes accumulator, shut-off valve, the water storage container, high-pressure pump, accumulator, rotational flow generator successively phase Even, the shut-off valve is arranged on the pipeline between accumulator and rotational flow generator and is adjustable in the unit time by shut-off valve Into the water flow of combustion chamber.
7. hydroreactive metal fuel eddy flow punching press marine propuision system according to claim 5, which is characterized in that the hydraulic pressure Stablizing unit includes accumulator, shut-off valve, and the water storage container, high-pressure pump, accumulator, rotational flow generator are sequentially connected, described Shut-off valve, which is arranged on the pipeline between accumulator and rotational flow generator and is adjustable in the unit time by shut-off valve, enters combustion Burn the water flow of room.
CN201810620097.4A 2018-06-15 2018-06-15 A kind of hydroreactive metal fuel eddy flow punching press marine propuision system Active CN108791792B (en)

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CN109779785B (en) * 2018-12-19 2021-02-26 哈尔滨工程大学 Direct-injection type multistage power underwater high-speed propeller and control method
CN109519280B (en) * 2018-12-19 2021-02-19 哈尔滨工程大学 Turboprop direct-injection hybrid multistage-power underwater high-speed propeller and control method
CN112339954B (en) * 2020-11-10 2022-04-29 广东石油化工学院 Wingless electric forward and reverse bidirectional extrusion spiral propulsion type intelligent underwater unmanned aircraft
CN113830277B (en) * 2021-10-22 2022-09-16 哈尔滨工程大学 Underwater propeller and navigation body
CN114810425B (en) * 2022-04-26 2023-07-18 中国人民解放军国防科技大学 Variable-thrust underwater ultra-high-speed navigation body
CN114810426B (en) * 2022-04-26 2023-06-27 中国人民解放军国防科技大学 Two-stage water inlet cyclone combustion chamber and combustion organization method

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