CN104501472B - Adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source - Google Patents
Adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source Download PDFInfo
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- CN104501472B CN104501472B CN201410720601.XA CN201410720601A CN104501472B CN 104501472 B CN104501472 B CN 104501472B CN 201410720601 A CN201410720601 A CN 201410720601A CN 104501472 B CN104501472 B CN 104501472B
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- Prior art keywords
- pipeline
- bending
- type
- evaporator
- way connection
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
Abstract
The invention belongs to spacecraft Evolution of Thermal Control Technique field, be specifically related to a kind of special-shaped evaporimeter. Adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source, it comprises: steam collector ring (1), separating liquid ring (2), four evaporator assemblies (3) and topping up pipe (4); Its technical scheme is, steam collector ring (1) is C shape structure, separating liquid ring (2) is the loop configuration of sealing, and evaporator assemblies (3) comprising: evaporator shell (3-1) and thermal-arrest seat (3-2); Evaporator shell (3-1) is wrapped in the inside of thermal-arrest seat (3-2), evaporator shell (3-1) inside is provided with an axial capillary wick (3-3), and evaporator assemblies (3) is installed on separating liquid ring (2) between steam collector ring (1); The present invention can meet the user demand in weight-driven two-phase fluid loop.
Description
Technical field
The invention belongs to spacecraft Evolution of Thermal Control Technique field, be specifically related to a kind of special-shaped evaporimeter.
Background technology
In the thermal control design of No. three tour devices of the goddess in the moon and lander, adopt weight-driven two-phase fluid loop to be communicated with or to cut off cabinHeat transfer channel between outer Isotopes thermal source and below deck equipment. Two-phase fluid circuit system forms as shown in Figure 1, and it comprises logicalCross evaporimeter, condenser, reservoir and control valve that pipeline connects successively; The two ends of described evaporimeter are respectively equipped with steam and convergeStream ring and separating liquid ring; When valve is in open mode, evaporimeter absorbs heat from isotope thermal source, flashes to steam;Evaporimeter is the core component in two-phase fluid loop, should meet the following conditions:
1) need to adapt to violent thermal shock, in No. three tasks of the goddess in the moon, when fluid circuit is opened, evaporator assemblies will experience shortBe down to the process of-10 DEG C from 265 DEG C in time;
2) heat absorption uniformly cylindrical core thermal source being discharged;
3) should facilitate nuclear heat source and simulation thermal source installation and removal.
Summary of the invention
The object of the invention is: provide a kind of flow that adapts to thermal shock from the special-shaped evaporimeter of coupling nuclear heat source, it is met and useDemand;
Technical scheme of the present invention is: adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source, it comprises: steam confluxesRing, separating liquid ring, four evaporator assemblies and topping up pipe;
Steam collector ring is C shape structure, and it is formed by connecting by three sections of L-type pipelines, and wherein, one end of the first L-type pipeline is provided withTwo pass joints, the other end is connected with the second L-type pipeline by three-way connection, logical between the second L-type pipeline and the 3rd L-type pipelineCross five-way joint and connect, the other end of the 3rd L-type pipeline is provided with two pass joints; The bending place of three sections of L-type pipelines is circular arc mistakeCross;
Separating liquid ring is the loop configuration of sealing, and it is formed by connecting by four sections of bending pipelines, and wherein, the first bending pipeline passes throughThree-way connection is connected with the second bending pipeline, and the second bending pipeline is connected with the 3rd bending pipeline by three-way connection, the 3rd bendingPipeline is connected with the 4th bending pipeline by three-way connection, and the 4th bending pipeline is connected with the first bending pipeline by four-way connection;The bending place of four sections of bending pipelines is arc transition;
The structure of four evaporator assemblies is identical, includes: evaporator shell and thermal-arrest seat; Evaporator shell is tubular structure,It is wrapped in the inside of thermal-arrest seat, and two ends are higher than the end face of thermal-arrest seat, and thermal-arrest seat and nuclear heat source housing are fitted; In evaporator shellPortion is provided with the capillary wick that a length equates with evaporator shell;
Two pass joints, the first L-type pipeline and second L-type at the first L-type pipeline place accessed respectively in the upper end of four evaporator shellsFive-way joint and the 3rd L-type pipeline between three-way connection, the second L-type pipeline and the 3rd L-type pipeline of pipeline junctionTwo pass joints at place, the threeway of the first bending pipeline and the second bending pipeline junction is accessed respectively in the lower end of four evaporator shellsJoint, the second bending pipeline are connected with the 4th bending pipeline with three-way connection, the 3rd bending pipeline of the 3rd bending pipeline junctionThe three-way connection at place and the 4th bending pipeline bend the four-way connection of pipeline junction with first, adjacent evaporator shell itBetween spacing equate; Topping up pipe accesses the five-way joint between the second L-type pipeline and the 3rd L-type pipeline; Five of steam collector ringPass joint is communicated with vapor line, and the four-way connection of separating liquid ring is communicated with liquid line.
Beneficial effect is: 1) bottom of the present invention is the function that loop configuration can realize uniform flux, and superstructure is that the opening of C type is establishedMeter, whole assembly has extensibility, can adapt to the thermal stress that violent thermal shock produces.
2) 4 evaporator assemblies are distributed in nuclear heat source surrounding, all can rely on gravity to realize the automatic tune to flow under various attitudesJoin, the heat of nuclear heat source is evenly absorbed.
3) silk screen in evaporator assemblies can, under various attitudes, be sucked into whole evaporimeter by liquid, realizes all even abundantFeed flow, reduce heat transfer temperature difference, guarantee that evaporator assemblies also can absorb heat uniformly in various lateral attitudes.
4) upper and lower of the present invention is all without any interference, and the C type structure on top can adapt to the adjusting of certain surplus, facilitate nuclear heat source andThe installation and removal repeatedly of its simulation thermal source.
Brief description of the drawings
Fig. 1 is the structural representation in the weight-driven two-phase fluid loop described in background technology;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of steam collector ring in the present invention;
Fig. 4 is the structural representation of separating liquid ring in the present invention;
Fig. 5 is the structural representation of evaporator assemblies in the present invention;
Fig. 6 is the top view of evaporator assemblies in the present invention;
Wherein, 1-steam collector ring, 1-1 the first L-type pipeline, 1-2 the second L-type pipeline, 1-3 the 3rd L-type pipeline, 2-liquidBody flow splitter, 2-1 first bend pipeline, 2-2 second bend pipeline, 2-3 the 3rd bending pipeline, 2-4 the 4th bending pipeline,3-evaporator assemblies, 3-1 evaporator shell, 3-2 thermal-arrest seat, 3-3 capillary wick, 4-topping up pipe.
Detailed description of the invention
Referring to accompanying drawing 2, adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source, it comprises: steam collector ring 1, liquidFlow splitter 2, four evaporator assemblies 3 and topping up pipes 4;
Referring to accompanying drawing 3, steam collector ring 1 is C shape structure, and it is formed by connecting by three sections of L-type pipelines, wherein, and the first L-typeOne end of pipeline 1-1 is provided with two pass joints, and the other end is connected with the second L-type pipeline 1-2 by three-way connection, the second L-type pipeBetween road 1-2 and the 3rd L-type pipeline 1-3, be connected by five-way joint, the other end of the 3rd L-type pipeline 1-3 is provided with two and connectsHead; The bending place of three sections of L-type pipelines is arc transition;
Referring to accompanying drawing 4, separating liquid ring 2 is the loop configuration of sealing, and it is formed by connecting by four sections of bending pipelines, wherein, theOne bending pipeline 2-1 is connected with the second bending pipeline 2-2 by three-way connection, second bend pipeline 2-2 by three-way connection andThe 3rd bending pipeline 2-3 connects, and the 3rd bending pipeline 2-3 is connected with the 4th bending pipeline 2-4 by three-way connection, and the 4th is curvedBroken pipe road 2-4 is connected with the first bending pipeline 2-1 by four-way connection; The bending place of four sections of bending pipelines is arc transition;
Structure referring to 5,6, four evaporator assemblies 3 of accompanying drawing is identical, includes: evaporator shell 3-1 and thermal-arrest seat 3-2;Evaporator shell 3-1 is tubular structure, and it is wrapped in the inside of thermal-arrest seat 3-2, and two ends, higher than the end face of thermal-arrest seat 3-2, collectHeat seat 3-2 and the laminating of nuclear heat source housing; Evaporator shell 3-1 inside is provided with the hair that a length equates with evaporator shell 3-1Thin core 3-3;
Two pass joints, the first L-type pipeline 1-1 at the first L-type pipeline 1-1 place accessed respectively in the upper end of four evaporator shell 3-1And the five-way between the three-way connection of the second L-type pipeline 1-2 junction, the second L-type pipeline 1-2 and the 3rd L-type pipeline 1-3Two pass joints at joint and the 3rd L-type pipeline 1-3 place, the first bending is accessed respectively in the lower end of four evaporator shell 3-1Three-way connection, the second bending pipeline 2-2 and the 3rd bending pipeline 2-3 of pipeline 2-1 and the second bending pipeline 2-2 junction connectConnect three-way connection and the 4th bending of three-way connection, the 3rd bending pipeline 2-3 and the 4th bending pipeline 2-4 junction at placeThe four-way connection of pipeline 2-4 and the first bending pipeline 2-1 junction, the spacing between adjacent evaporator shell 3-1 equates;Topping up pipe 4 accesses the five-way joint between the second L-type pipeline 1-2 and the 3rd L-type pipeline 1-3; The five-way of steam collector ring 1Joint is communicated with vapor line, and the four-way connection of separating liquid ring 2 is communicated with liquid line.
Preferably, be processed with screw thread at the inner peripheral surface of evaporator shell 3-1, when capillary wick 3-3 is by the liquid of separating liquid ring 2When body draws high whole evaporator shell 3-1 vertically, liquid can infiltrate to screw thread, and evaporator shell 3-1 is circumferentially heatedMore even.
Preferably, evaporator shell 3-1 adopts stainless steel material with proof strength and security performance, and thermal-arrest seat 3-2 adopts aluminium to closeGold copper-base alloy, the heat exchange of strengthening and nuclear heat source, reduces heat transfer temperature difference.
When use, first by topping up pipe 4 by two-phase fluid vacuum-pumping loop, and then by topping up pipe 4 to two-phase fluidFilling liquid working medium in loop, after injection shuts topping up pipe 4, because reservoir is set up higher than evaporimeter at cloth, therefore liquid workMatter flows to evaporimeter under Action of Gravity Field; Liquid working substance injects four evaporator assemblies 3 by separating liquid ring 2, in capillary wickUnder the effect of 3-3, liquid working substance is promoted to top by the bottom of evaporator assemblies 3; Simultaneously under the effect of isotope thermal source,Liquid working substance heat absorption evaporation, steam converges to vapor line by steam collector ring 1.
Claims (4)
1. adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source, it comprises: steam collector ring (1), separating liquid ring(2), four evaporator assemblies (3) and topping up pipe (4); It is characterized in that:
Described steam collector ring (1) is C shape structure, and it is formed by connecting by three sections of L-type pipelines, wherein, and the first L-type pipeline (1-1)One end be provided with two pass joints, the other end is connected with the second L-type pipeline (1-2) by three-way connection, described the second L-type pipeline(1-2) and between the 3rd L-type pipeline (1-3) be connected the other end of described the 3rd L-type pipeline (1-3) by five-way jointBe provided with two pass joints; The bending place of described three sections of L-type pipelines is arc transition;
Described separating liquid ring (2) is the loop configuration of sealing, and it is formed by connecting by four sections of bending pipelines, wherein, and the first bendingPipeline (2-1) is connected with the second bending pipeline (2-2) by three-way connection, and described the second bending pipeline (2-2) is by threewayJoint is connected with the 3rd bending pipeline (2-3), and described the 3rd bending pipeline (2-3) is by three-way connection and the 4th bending pipeline(2-4) connect, described the 4th bending pipeline (2-4) is connected with described the first bending pipeline (2-1) by four-way connection; InstituteThe bending place of stating four sections of bending pipelines is arc transition;
The structure of described four evaporator assemblies (3) is identical, includes: evaporator shell (3-1) and thermal-arrest seat (3-2);Described evaporator shell (3-1) is tubular structure, and it is wrapped in the inside of described thermal-arrest seat (3-2), and two ends are higher than described collectionThe end face of heat seat (3-2), described thermal-arrest seat (3-2) and the laminating of nuclear heat source housing; Establish described evaporator shell (3-1) insideThe capillary wick (3-3) that has a length to equate with described evaporator shell (3-1);
The upper end of described four evaporator shells (3-1) access respectively two pass joints that described the first L-type pipeline (1-1) locates,Three-way connection, the described second L-type pipe of described the first L-type pipeline (1-1) and described the second L-type pipeline (1-2) junctionFive-way joint between road (1-2) and described the 3rd L-type pipeline (1-3) and described the 3rd L-type pipeline (1-3) are locatedTwo pass joints, it is curved with second that described the first bending pipeline (2-1) is accessed respectively in the lower end of described four evaporator shells (3-1)The three-way connection of junction, broken pipe road (2-2), described the second bending pipeline (2-2) connect with described the 3rd bending pipeline (2-3)Connect place three-way connection, described the 3rd bending pipeline (2-3) with described the 4th bending pipeline (2-4) junction three-way connection,And described the 4th bending pipeline (2-4) with described first bending pipeline (2-1) junction four-way connection, adjacent described inSpacing between evaporator shell (3-1) equates; Described topping up pipe (4) access described the second L-type pipeline (1-2) with described inFive-way joint between the 3rd L-type pipeline (1-3); The five-way joint of described steam collector ring (1) is communicated with vapor line,The four-way connection of described separating liquid ring (2) is communicated with liquid line.
2. the flow of adaptation thermal shock as claimed in claim 1, from the special-shaped evaporimeter of coupling nuclear heat source, is characterized in that: described inThe inner peripheral surface of evaporator shell (3-1) is processed with screw thread.
3. the flow of adaptation thermal shock as claimed in claim 1 or 2, from the special-shaped evaporimeter of coupling nuclear heat source, is characterized in that:Described capillary wick (3-3) is by the woven wire coated metal sintered meshwork spot welding moulding after cutting out.
4. the flow of adaptation thermal shock as claimed in claim 1 or 2, from the special-shaped evaporimeter of coupling nuclear heat source, is characterized in that:Described evaporator shell (3-1) adopts stainless steel material, and described thermal-arrest seat (3-2) adopts aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720601.XA CN104501472B (en) | 2014-12-02 | 2014-12-02 | Adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720601.XA CN104501472B (en) | 2014-12-02 | 2014-12-02 | Adapt to the flow of thermal shock from the special-shaped evaporimeter of coupling nuclear heat source |
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| Publication Number | Publication Date |
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| CN104501472A CN104501472A (en) | 2015-04-08 |
| CN104501472B true CN104501472B (en) | 2016-05-04 |
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| CN109857138B (en) * | 2019-01-28 | 2021-10-01 | 北京卫星环境工程研究所 | Rapid installation and adjustment method based on spacecraft non-reference structure multi-coupling dimension chain mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393105A (en) * | 2011-11-09 | 2012-03-28 | 常熟市好的电器有限公司 | Evaporator for refrigeration equipment |
| CN202647700U (en) * | 2011-11-14 | 2013-01-02 | 无锡中阳新能源科技有限公司 | Thermal evaporation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02282670A (en) * | 1989-04-24 | 1990-11-20 | Matsushita Electric Ind Co Ltd | Heat exchanger |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393105A (en) * | 2011-11-09 | 2012-03-28 | 常熟市好的电器有限公司 | Evaporator for refrigeration equipment |
| CN202647700U (en) * | 2011-11-14 | 2013-01-02 | 无锡中阳新能源科技有限公司 | Thermal evaporation device |
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| CN104501472A (en) | 2015-04-08 |
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