CN106090866B - A kind of steam generator for being applied to become under gravity environment - Google Patents
A kind of steam generator for being applied to become under gravity environment Download PDFInfo
- Publication number
- CN106090866B CN106090866B CN201610412238.4A CN201610412238A CN106090866B CN 106090866 B CN106090866 B CN 106090866B CN 201610412238 A CN201610412238 A CN 201610412238A CN 106090866 B CN106090866 B CN 106090866B
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- CN
- China
- Prior art keywords
- heater
- steam generator
- foam metal
- housing
- porous foam
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/34—Adaptations of boilers for promoting water circulation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a kind of steam generator for being applied to become under gravity environment, it is located at the inlet of shell one end and the gas vent positioned at the housing other end including housing, heater is provided with the housing, the heater is circlewise arranged in the housing, porous foam metal capillary wick is provided with the heater, the conduit passed through for steam is arranged at intervals between the heater and porous foam metal capillary wick, the conduit connects with the gas vent.The present invention extracts liquid using the capillary force effect of porous foam metal, and capillary force effect can overcome the influence that microgravity environment bubble blocks, by liquid dispersion to inside cavity；The high heat conductance and high-specific surface area of foam metal, bubble gasification core number and heat transfer area, enhanced heat exchange performance are added, reach the purpose of low simple system, cost, safe and reliable, high efficient heat exchanging and fluid distribution.
Description
Technical field
The present invention relates to one kind to become the reliable steam raising plant of light efficient under gravity environment, and in particular to be a kind of
Steam generator with porous foam metal liquid-sucking core.
Background technology
With the fast development of space exploration activity, thermal control technology and fluid management technology are space operation and space travel
The key factor of device reliability service.Become gravity environment of the gravity environment different from the earth in space.Microgravity environment bubble hinders
It is stagnant in a liquid so as to increasing the difficulty of gas-liquid separation.It is light with the restricted requirement of volume and weight of time space equipment, equipment
Type and high efficient and reliable are the problem of Space Facilities field are in the urgent need to address.
Steam generator being widely used under microgravity environment, is related to thermal control technology and fluid management technology, it can
Space operation is influenceed by Effec-tive Function very big.Currently used steam generator is led to using liquid pump conveying liquid after heating
Gas-liquid separator separates are crossed to go out gas and export.Such steam generator device is complicated, and bulky, the efficiency of heating surface is low, gas-liquid
Separating effect is not notable, and the improvement and optimization in design are needed in its substantial amounts of development and application badly.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned the deficiencies in the prior art, and are provided a kind of suitable for becoming weight
The less steam generator of light weight, body under force environment.
Liquid pump, heater and gas-liquid separator function collection are combined into an entirety by the steam generator, can be effective
Ground improve exchange capability of heat, overcome microgravity environment bubble block influence, it is simple and compact for structure, mitigate Space Facilities volume and
Weight, suitable for Fluid management in space and thermal management technology, it is adapted to substantial amounts of development and application.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of steam generator for being applied to become under gravity environment, including housing are located at inlet and the position of shell one end
In the gas vent of the housing other end, heater is provided with the housing, it is characterised in that：The heater cyclization
Shape is arranged in the housing, and porous foam metal capillary wick is provided with the heater, the heater with
The conduit passed through for steam is arranged at intervals between porous foam metal capillary wick, the conduit connects with the gas vent.
The steam generator of the present invention is integrated with the function of liquid pump, heater and gas-liquid separator, has efficiently light
The advantages of type is reliable；Liquid is extracted using the capillary force effect of porous foam metal, capillary force effect can overcome microgravity ring
The influence of border bubble retardance, by liquid dispersion to inside cavity；The high heat conductance and high-specific surface area of foam metal, are added
Bubble gasification core number and heat transfer area, enhanced heat exchange performance；Shell inner surface, which has, is beneficial to the conduit that steam passes through, housing
Combined closely with the side of foam metal, it is compact-sized rationally to improve the hot validity of steam generator, reach system letter
It is single, cost is low, the purpose of safe and reliable, high efficient heat exchanging and fluid distribution.
Steam generator of the present invention uses the porous foam metal of small-bore as capillary wick, by the capillary of foam metal
Liquid is extracted in power effect, and liquid is dispersed to inside cavity, and steam is formed after heating.The high heat conductance of foam metal and
High-specific surface area, add bubble gasification core number and heat transfer area, enhanced heat exchange performance.This design structure is integrated with liquid
The function of body pump, heater and gas-liquid separator, improves exchange capability of heat, reduces overall volume and weight.
Steam generator shell inner surface has the conduit for being adapted to steam to pass through, and passes through foam metal capillary wick for heating
Liquid, and conveying steam is to gas discharge outlet；Inner surface conduit increases heat exchange area, enhances exchange capability of heat.
Steam generator main body portion diameter scope is 10-30 mm, and length is 0.1-2 m.When space is limited,
Steam generator main body can be made coil-like.Heating power is 2-10 W/cm2。
The present invention uses above-mentioned technical proposal, has the following advantages that compared with prior art：
1st, steam generator of the present invention uses the porous foam metal of small-bore as liquid-sucking core, if working medium is water, aperture
7-70Pa pressure can be provided for 0.1-1 mm foam metal.Liquid is extracted by the effect of liquid-sucking core capillary force, and
Liquid is dispersed to inside liquid-sucking core, steam is formed after heating.The high heat conductance and high-specific surface area of foam metal, increase
Bubble gasification core number and heat transfer area, enhanced heat exchange performance.This design structure is integrated with Liquid extracting and heating work(
Can, exchange capability of heat is improved, reduces overall volume and weight.It is adapted to space operation and the application of aerospace craft.
2nd, steam generator shell inner surface of the present invention has the conduit for being adapted to steam to pass through, for heating by foam gold
Belong to the liquid of liquid-sucking core, and convey steam to gas discharge outlet；Inner surface conduit increases heat exchange area, enhances heat-energy transducer
Power.
3rd, steam generator outer surface of the invention is equipped with heater, and heater can use strip heater or poly-
Acid imide heating plate etc..Heater and housing are closely coupled, simple and compact for structure, and the efficiency of heating surface is high.
4th, porous foam metal of the invention, can pass through hole agent pore-creating, vapour deposition, electrochemical deposition the methods of system
Into preparation method is simple, is adapted to batch production.
Brief description of the drawings
Fig. 1 is a kind of steam generator structural representation for being applied to become under gravity environment；
Fig. 2 is Section A-A front view in Fig. 1；
1. inlet in figure；2. porous foam metal liquid-sucking core；3. steam channel；4. evaporator shell；5. heating dress
Put；6. steam (vapor) outlet.
Embodiment
Further described in detail below in conjunction with the accompanying drawings：
Fig. 1 gives the structural representation of the present invention, a kind of steam generator for being applied to become under gravity environment.Specific knot
Structure includes：Inlet 1, porous foam metal liquid-sucking core 2, steam channel 3, evaporator shell 4, heater 5, steam (vapor) outlet 6.
Steam generator main body includes porous foam metal liquid-sucking core, steam channel and evaporator shell, and inlet is with steaming
Vapor outlet is welded together by sealing with tube plate structure and steam generator main body.Heater and housing are closely coupled, knot
Structure simple and compact.Steam generator main body portion diameter scope is 10-30 mm, and length is 0.1-2 m.When space is limited
When, steam generator main body can be made coil-like.Heating power is 2-10 W/cm2。
The foam metal pore diameter range of liquid-sucking core is 0.1-1 mm, and Laplce can be used for the active force of liquid
Equation calculates, i.e. △ P=σ/R.If working medium is water, aperture is that 0.1-1 mm foam metal can provide 7-70Pa surface
Pressure.
Foam metal is made up of copper or aluminum of the methods of hole agent pore-creating, vapour deposition, electrochemical deposition, makees
Method is simple, is adapted to batch production.
Claims (6)
1. a kind of steam generator for being applied to become under gravity environment, including housing, the inlet positioned at shell one end and position
In the gas vent of the housing other end, heater is provided with the housing, it is characterised in that：The heater cyclization
Shape is arranged in the housing, and porous foam metal capillary wick is provided with the heater, the heater with
The conduit passed through for steam is arranged at intervals between porous foam metal capillary wick, the conduit connects with the gas vent.
2. steam generator according to claim 1, it is characterised in that described porous foam metal liquid-sucking core is by copper
Or aluminum is made up of hole agent pore-creating, vapour deposition or electrochemical deposition method, pore diameter range is 0.1-1 mm.
3. steam generator according to claim 1, it is characterised in that the heater is using strip heater or poly-
Acid imide heating plate.
4. steam generator according to claim 1, it is characterised in that described steam generator shell diameter range is
10-30 mm, length are 0.1-2 m.
5. steam generator according to claim 1, it is characterised in that steam generator shell is into coil-like.
6. steam generator according to claim 1, it is characterised in that the heating power of the heater is 2-10
W/cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412238.4A CN106090866B (en) | 2016-06-13 | 2016-06-13 | A kind of steam generator for being applied to become under gravity environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412238.4A CN106090866B (en) | 2016-06-13 | 2016-06-13 | A kind of steam generator for being applied to become under gravity environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090866A CN106090866A (en) | 2016-11-09 |
| CN106090866B true CN106090866B (en) | 2018-01-30 |
Family
ID=57846297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610412238.4A Active CN106090866B (en) | 2016-06-13 | 2016-06-13 | A kind of steam generator for being applied to become under gravity environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106090866B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148553B (en) * | 2021-11-12 | 2024-06-25 | 中国运载火箭技术研究院 | Weightless fluid distribution form construction system and control system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226021A (en) * | 2008-01-31 | 2008-07-23 | 上海交通大学 | Finned tube type heat exchanger inner lining with foam metal |
| US8297050B2 (en) * | 2008-07-11 | 2012-10-30 | GM Global Technology Operations LLC | Nozzle diffuser mixer |
| CN101619942A (en) * | 2009-08-06 | 2010-01-06 | 河北科技大学 | Multilayer foam metal pipe shell type heat exchanger |
| CN101832554B (en) * | 2010-05-18 | 2011-10-05 | 杭州电子科技大学 | Liquid fuel porous medium combusting device and combusting method thereof |
| CN103925819A (en) * | 2013-02-17 | 2014-07-16 | 上海交通大学 | Through-hole metal foam heat pipe heat exchanger with gradually-changed appearance characteristics |
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2016
- 2016-06-13 CN CN201610412238.4A patent/CN106090866B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106090866A (en) | 2016-11-09 |
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