CN109733573B - Phase change buoyancy adjusting device utilizing reactor waste heat - Google Patents
Phase change buoyancy adjusting device utilizing reactor waste heat Download PDFInfo
- Publication number
- CN109733573B CN109733573B CN201910160219.0A CN201910160219A CN109733573B CN 109733573 B CN109733573 B CN 109733573B CN 201910160219 A CN201910160219 A CN 201910160219A CN 109733573 B CN109733573 B CN 109733573B
- Authority
- CN
- China
- Prior art keywords
- cavity
- pipeline
- heat exchange
- phase
- rigid
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to a phase change buoyancy regulating device utilizing reactor waste heat, which comprises a rigid cavity, wherein the upper surface of the rigid cavity is closed, and the lower surface of the rigid cavity is provided with a plurality of openings; the heat insulation elastic cavity is arranged in the rigid cavity and is tightly glued with the inner surface of the rigid cavity, and the cavity in the heat insulation elastic cavity is filled with a temperature sensing working medium; the heat exchange device is characterized by further comprising a heat exchange pipeline, the heat exchange pipeline is arranged in the temperature sensing working medium except for the pipe orifices, and the pipe orifices at the two ends of the heat exchange pipeline penetrate through the heat insulation elastic cavity and are distributed on the two sides of the rigid cavity. The invention can avoid the pump noise problem of high-pressure seawater, improve the concealment of the submersible, and solve the problem of energy supply of the traditional phase-change buoyancy regulating device, thereby improving the applicability of the phase-change buoyancy regulating device.
Description
Technical Field
The invention relates to the field of buoyancy regulating systems, in particular to a phase change buoyancy regulating device utilizing reactor waste heat.
Background
The buoyancy regulating system is one of subsystems of the underwater vehicle, and when the underwater vehicle sails and works underwater, numerous factors can influence the buoyancy or gravity of the underwater vehicle, such as the change of seawater density of different water areas, the deformation of the underwater vehicle under large pressure, the increase and decrease of the gravity caused by load rejection or sampling, and the like. The buoyancy regulating system is very important in order to compensate buoyancy change of the submersible vehicle or adjust underwater depth or attitude of the submersible vehicle.
The commonly used buoyancy adjusting systems are mainly classified into a pressure-adjustable type and a volume-variable type, the former adjusts buoyancy by adjusting ballast mass (usually seawater) of the system, and is realized by sucking or discharging seawater through a plunger pump, and the latter adjusts buoyancy by adjusting discharge volume of the system, and generally includes an oil bag type buoyancy adjustment and a temperature difference phase change type buoyancy adjustment. The temperature sensing working medium in the temperature difference phase change type buoyancy regulating device absorbs or releases heat to cause solid-liquid/liquid-solid phase change, volume expansion/contraction, change of water drainage volume and regulation of buoyancy of the submersible vehicle. The temperature difference phase change type buoyancy regulating system provides energy by the temperature difference of the seawater, but the system must work in a sea area with proper temperature difference and has larger limitation; for example, patent No. CN201710342887.6, entitled phase change buoyancy engine with active temperature control, proposes an active temperature control phase change buoyancy adjustment technology using heating wires to heat paraffin, but because paraffin has high melting heat, it causes a great burden to the common storage battery energy supply method, and this phase change buoyancy adjustment is difficult to achieve.
Disclosure of Invention
The applicant carries out research and improvement aiming at the existing problems and provides a phase change buoyancy regulating device utilizing reactor waste heat, which is not limited by a working sea area, does not cause extra burden on the energy supply of a submersible, and has wider application prospect.
The technical scheme adopted by the invention is as follows:
a phase change buoyancy adjusting device utilizing reactor waste heat comprises a rigid cavity, wherein the upper surface of the rigid cavity is closed, and a plurality of openings are formed in the lower surface of the rigid cavity; the heat insulation elastic cavity is arranged in the rigid cavity and is tightly glued with the inner surface of the rigid cavity, and the cavity in the heat insulation elastic cavity is filled with a temperature sensing working medium; the heat exchange device is characterized by further comprising a heat exchange pipeline, the heat exchange pipeline is arranged in the temperature sensing working medium except for the pipe orifices, and the pipe orifices at the two ends of the heat exchange pipeline penetrate through the heat insulation elastic cavity and are distributed on the two sides of the rigid cavity.
The further technical scheme is as follows:
the rigid cavity is made of steel materials;
the total area of the openings accounts for 60-80% of the area of the lower surface of the rigid cavity;
the phase change expansion rate of the temperature sensing working medium is 10-15%, and the phase change temperature is 5.5-65.5 ℃.
The invention has the following beneficial effects:
the phase-change buoyancy adjusting device is simple in structure and convenient to use, the problem of pump noise of high-pressure seawater can be completely solved by using the phase-change buoyancy adjusting device, the concealment of the submersible vehicle is improved, the problem of energy supply of the traditional phase-change buoyancy adjusting device can be solved by using the phase-change buoyancy adjusting device, the applicability of the phase-change buoyancy adjusting device is improved, the buoyancy adjusting amount is adjusted by the temperature sensing working medium stored in the phase-change buoyancy adjusting device, the buoyancy adjusting precision is improved, and later maintenance is facilitated.
Drawings
FIG. 1 is a schematic diagram of a process for heating or cooling a phase change material with circulating water according to the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Wherein: 1. a reactor secondary loop heat source; 2. a thermal circulation water line; 3. a cold circulation water line; 4. a reactor circulating water cooling system; 5. a three-way valve; 6. a water pump; 7. a phase change buoyancy adjusting device; 701. a rigid cavity; 702. a heat exchange line; 703. a thermally insulating elastic cavity; 704. a temperature sensing working medium; 705. and (4) opening.
Detailed Description
The following describes specific embodiments of the present invention.
As shown in fig. 2, a phase change buoyancy adjusting device using reactor waste heat includes a rigid cavity 701, an upper surface of the rigid cavity 701 is closed, and the rigid cavity 701 is made of a steel material and is flat. A plurality of openings 705 for providing expansion space for the heat insulation elastic cavity 703 are formed in the lower surface of the rigid cavity 701, in this embodiment, the number of the openings 705 is 4, and the total area of the openings 705 accounts for 60-80% of the area of the lower surface of the rigid cavity 701. The heat insulation elastic cavity 703 is arranged inside the rigid cavity 701 and is tightly glued with the inner surface of the rigid cavity 701, the cavity inside the heat insulation elastic cavity 703 is filled with a temperature sensing working medium 704, the phase change expansion rate of the temperature sensing working medium 704 is 10-15%, and the phase change temperature is 5.5-65.5 ℃. The temperature sensing working medium 704 is made of organic alkane phase change materials, such as n-pentadecane and n-hexadecane, and the phase change materials are suitable in phase change temperature, small in phase change latent heat, good in heat conduction performance, larger in solid phase density than liquid phase density, stable in performance, nonflammable, non-explosive, non-toxic and non-corrosive, and have the advantages of larger phase change volume change and stronger pressure resistance. The heat exchange device further comprises a heat exchange pipeline 702, the heat exchange pipeline 702 is arranged in the temperature sensing working medium 704 in a winding mode except for pipe orifices, pipe orifices at two ends of the heat exchange pipeline 702 penetrate through the heat insulation elastic cavity 703 and are distributed on two sides of the rigid cavity 701, and the heat exchange pipeline 702 is used for improving heat exchange efficiency and buoyancy adjusting corresponding speed.
As shown in fig. 1, the heat exchange pipeline 702 of the present invention is connected in parallel to a reactor two-loop cooling water circulation pipeline, which includes a hot circulation water pipeline 2 and a cold circulation water pipeline 3, as shown in fig. 1, one end of the heat exchange pipeline 702 of the present invention is connected to the port C of the three-way valve 5 through a water pump 6, the other end of the heat exchange pipeline 702 is connected to the hot circulation water pipeline 2, the port a of the three-way valve 5 is also connected to the hot circulation water pipeline 2 through a pipeline, and the port B of the three-way valve 5 is connected to the cold circulation water pipeline 3 through a pipeline.
The reactor secondary loop heat source 1 is cooled by circulating water, so that the temperature of the cooled circulating water is about 50 ℃, the cooled circulating water is output to a reactor circulating water cooling system 4 through a hot circulating water pipeline 2, the reactor circulating water cooling system 4 exchanges heat with external seawater to discharge heat, the temperature of the water is reduced to be below 20 ℃, the cooled circulating water is introduced into a cold circulating water pipeline 3 and finally returns to the reactor secondary loop heat source 1, and the whole cooling process is completed.
As shown in fig. 1, in the heating condition, the three-way valve 5 opens the AC passage, the water pump 6 pumps hot water from the thermal circulation water pipeline 2, the hot water flows into the phase change buoyancy adjusting device 7 to exchange heat with the temperature sensing working medium 704, at this time, the temperature of the hot water is higher than that of the temperature sensing working medium 704, the temperature sensing working medium 704 undergoes solid-liquid phase change and volume expansion, so that the heat insulation elastic cavity 703 expands out from the opening 705, the drainage volume of the phase change buoyancy adjusting device 7 is increased, the buoyancy is increased, and then the cooled circulation water returns to the tail end of the thermal circulation water pipeline 2. In the cooling working condition, the BC passage is opened by the three-way valve 5, the temperature of the cold circulating water is lower than the phase change temperature of the temperature sensing working medium 704, the temperature sensing working medium 704 undergoes liquid-solid phase change, the volume is shrunk, the buoyancy is reduced, and then the heated circulating water returns to the tail end of the hot circulating water pipeline 2.
The phase-change buoyancy adjusting device is simple in structure and convenient to use, the problem of pump noise of high-pressure seawater can be completely solved by using the phase-change buoyancy adjusting device, the concealment of the submersible vehicle is improved, the problem of energy supply of the traditional phase-change buoyancy adjusting device can be solved by using the phase-change buoyancy adjusting device, the applicability of the phase-change buoyancy adjusting device is improved, the buoyancy adjusting amount is adjusted by the temperature sensing working medium stored in the phase-change buoyancy adjusting device, the buoyancy adjusting precision is improved, and later maintenance is facilitated.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (4)
1. The utility model provides an utilize phase transition buoyancy adjusting device of reactor waste heat which characterized in that: the device comprises a rigid cavity (701), wherein the upper surface of the rigid cavity (701) is closed, and a plurality of openings (705) are formed in the lower surface of the rigid cavity (701); the heat insulation elastic cavity (703) is arranged in the rigid cavity (701) and is tightly glued with the inner surface of the rigid cavity (701), and the inner cavity of the heat insulation elastic cavity (703) is filled with a temperature sensing working medium (704); the heat exchange device is characterized by further comprising a heat exchange pipeline (702), wherein the heat exchange pipeline (702) is arranged in the temperature sensing working medium (704) except for pipe orifices, and pipe orifices at two ends of the heat exchange pipeline (702) penetrate through the heat insulation elastic cavity (703) and are distributed on two sides of the rigid cavity (701);
heat exchange pipeline (702) is parallelly connected in two return circuits cooling water circulation pipeline of reactor, this two return circuits cooling water circulation pipeline of reactor includes hot circulating water pipeline (2) and cold circulating water pipeline (3), the one end of heat exchange pipeline (702) is passed through water pump (6) and is connected with the C mouth of three-way valve (5), the other end and the hot circulating water pipeline (2) of heat exchange pipeline (702) are connected, the A mouth of three-way valve (5) also is connected with hot circulating water pipeline (2) through the pipeline, the B mouth of three-way valve (5) is passed through the pipeline and is connected with cold circulating water pipeline (3).
2. The phase-change buoyancy regulating device using the waste heat of the reactor as claimed in claim 1, wherein: the rigid cavity (101) is made of steel materials.
3. The phase-change buoyancy regulating device using the waste heat of the reactor as claimed in claim 1, wherein: the total area of the openings (705) accounts for 60-80% of the area of the lower surface of the rigid cavity (701).
4. The phase-change buoyancy regulating device using the waste heat of the reactor as claimed in claim 1, wherein: the phase change expansion rate of the temperature sensing working medium is 10-15%, and the phase change temperature is 5.5-65.5 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160219.0A CN109733573B (en) | 2019-03-04 | 2019-03-04 | Phase change buoyancy adjusting device utilizing reactor waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160219.0A CN109733573B (en) | 2019-03-04 | 2019-03-04 | Phase change buoyancy adjusting device utilizing reactor waste heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733573A CN109733573A (en) | 2019-05-10 |
| CN109733573B true CN109733573B (en) | 2021-03-16 |
Family
ID=66369256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160219.0A Active CN109733573B (en) | 2019-03-04 | 2019-03-04 | Phase change buoyancy adjusting device utilizing reactor waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109733573B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937089A (en) * | 2019-11-18 | 2020-03-31 | 浙江大学 | Phase change buoyancy engine device based on water bath temperature control |
| CN112504656A (en) * | 2020-12-17 | 2021-03-16 | 中国科学院沈阳自动化研究所 | Buoyancy adjusting mechanism testing device for simulating underwater pressure environment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785976Y (en) * | 2004-12-09 | 2006-06-07 | 上海交通大学 | Glide type submarine vehicle by utilizing sea temperature difference energy to drive alkane engine |
| US20100294192A1 (en) * | 2009-05-21 | 2010-11-25 | Matthew Herbek | Buoyancy system for an underwater device and associated methods for operating the same |
| CN203806129U (en) * | 2013-01-28 | 2014-09-03 | 上海科斗电子科技有限公司 | Thermal expansion regulation and control flight device |
| CN104482790A (en) * | 2014-11-26 | 2015-04-01 | 华晨汽车集团控股有限公司 | Phase change heat storage device and method utilizing engine waste gas waste heat |
| FR3035201B1 (en) * | 2015-04-16 | 2017-05-05 | Valeo Systemes Thermiques | TUBE HAVING PHASE CHANGE MATERIAL TANK FOR HEAT EXCHANGER. |
| CN106114783B (en) * | 2016-06-27 | 2017-12-19 | 中国空间技术研究院 | Generated electricity and snorkeled using ocean thermal energy unmanned submersible's system that gliding controls |
| CN107215444A (en) * | 2017-05-16 | 2017-09-29 | 浙江大学 | The phase transformation buoyancy engine of temperature active control |
-
2019
- 2019-03-04 CN CN201910160219.0A patent/CN109733573B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109733573A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109059318B (en) | Spray type packed bed heat storage system and operation method thereof | |
| CN204187875U (en) | A kind of energy storage type solar hot-water boiler adopting heat-conducting oil | |
| CN106839850B (en) | Modular step heat storage device based on phase change heat storage unit and method thereof | |
| CN103292486B (en) | Single-tank/double-tank combined heat accumulation system for solar thermal power generation, and heat accumulation method of single-tank/double-tank combined heat accumulation system | |
| CN109733573B (en) | Phase change buoyancy adjusting device utilizing reactor waste heat | |
| WO2022166031A1 (en) | Packed bed-based compressed air energy storage system and method | |
| CN111102549A (en) | Single-tank molten salt thermocline heat storage system and method for coal-fired power generating unit | |
| CN103531652A (en) | Cooling device for dish-type solar concentrating photovoltaic cell panel | |
| CN204705249U (en) | A kind of hermetically-sealed construction of phase-change energy-storage units | |
| CN211450858U (en) | Single-tank molten salt thermocline heat storage system of coal-fired power generating set | |
| CN112145384B (en) | Single-working-medium ocean temperature difference energy collecting and generating device and method | |
| CN115530109A (en) | Marine wind power-based marine ranching culture system and method | |
| CN215983288U (en) | Movable small-sized heat pipe reactor and solar energy coupling power generation system | |
| CN111947220B (en) | Closed gravity heat pipe-based compact type step heat storage and supply system and method | |
| CN213395252U (en) | Fused salt energy storage thermal power frequency modulation and peak regulation system | |
| CN210664078U (en) | Heat storage device for storing heat by using sensible heat and latent heat of material | |
| CN210374745U (en) | Molten salt anti-condensation buffering and energy storage system | |
| CN115031564A (en) | Multistage phase change heat storage water tank and system of terrace-shaped additional groove | |
| CN210014418U (en) | Intermittent exhaust type high-temperature heat storage system | |
| CN110341924B (en) | Ship propulsion system | |
| CN215723488U (en) | Natural circulation fused salt energy storage heat exchange device | |
| CN215062941U (en) | Solid electric heating storage and supply integrated device with pressure natural circulation | |
| CN216557100U (en) | Coal-fired unit depth peak regulation system adopting step heat storage | |
| CN219624568U (en) | Annular rib type three-sleeve phase change heat accumulator | |
| CN212619415U (en) | Honeycomb type efficient solar heat collection and storage intelligent central control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |