CN109595537A - A kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship - Google Patents
A kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship Download PDFInfo
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- CN109595537A CN109595537A CN201811393590.3A CN201811393590A CN109595537A CN 109595537 A CN109595537 A CN 109595537A CN 201811393590 A CN201811393590 A CN 201811393590A CN 109595537 A CN109595537 A CN 109595537A
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- cold fluid
- fluid
- hot fluid
- hot
- cold
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
- F22B1/063—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium for metal cooled nuclear reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/04—Other direct-contact heat-exchange apparatus the heat-exchange media both being liquids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of small-sized lead base reactor cold fluid and hot fluids directly to contact the mixed heat exchanger of friendship, mainly hands over mix nozzle, cold fluid inlet, liquidometer, cold fluid outlet to form by heat exchange tank body, hot fluid liquid level, hot fluid outlet ports, hot fluid inlet, cold fluid.Mix nozzle is handed over by cold fluid, may be implemented directly to contact the mixed heat exchange of friendship between cold fluid working medium and hot fluid working medium, greatly improve heat exchange efficiency between cold fluid and hot fluid.Distinguishing features that the present invention has that structure is simple, operating cost is low, heat exchange property is excellent etc. the industrial applications such as efficiently produce suitable for big specific gravity, high boiling medium heat recovery and utilization and generating working medium.
Description
Technical field
The present invention relates to big specific gravity, high boiling medium heat energy power-generating technical field, and in particular to a kind of small-sized lead base reaction
Heap cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship.
Background technique
Big specific gravity, high boiling medium (such as fused salt, liquid heavy metal lead), are new due to its excellent thermophysical property
Focus on research direction in generation heat energy power-generating technology.
In existing solar light-heat power-generation technology, mostly use fused salt as heat transfer and heat storage medium, in conjunction with steam power
Circulating generation.In addition, can be effectively improved using the normal pressures such as liquid heavy metal metal, fused salt high boiling medium as coolant
Reactor system inherent safety is the important research direction of the 4th generation of technology such as nuclear energy system.
In this kind of thermal energy electricity generation system, the heat-exchanger rig for generating generating working medium is all dividing wall type heat exchanger, and is mostly
The shell-and-tube heat exchanger of different types of structure.The problems such as there are heat exchanged thermoresistances for these shell-and-tube heat exchangers greatly, heat exchange efficiency is not high,
So that size of heat exchanger is huge, equipment cost is high, it is unfavorable for the commercial applications of thermal energy electricity generation system.Further, since high
The problems such as temperature, High Pressure Difference, liquid heavy metal or fused salt environment, the thermal expansion of caused heat exchanger tube, corrosion and fouling and novel
The key technology difficulty for needing to solve in heat energy power-generating system research.
Summary of the invention
The technical problem to be solved in the present invention is that: it proposes a kind of small-sized lead base reactor cold fluid and hot fluid and directly contacts friendship
Mixed heat exchanger solves in the thermal energies generation technologies such as existing photo-thermal-fused salt power generation, nuclear heat-liquid heavy metal power generation, dividing wall type
The problems such as heat exchanged thermoresistance of heat exchanger is big, equipment size is big, and corrosion and scaling easily occurs for heat exchanger tube improves thermal energy power generation
The economy and security reliability of technology business application.
In order to achieve the above objectives, the present invention is realized using following technical scheme: a kind of small-sized lead base reactor hot and cold stream
Body directly contacts the mixed heat exchanger of friendship, including heat exchange tank body, hot fluid liquid level, hot fluid outlet ports, hot fluid inlet, cold fluid are handed over and mixed
Nozzle, cold fluid inlet, liquidometer, cold fluid outlet.Wherein: the hot fluid inlet is located at heat exchange tank body bottommost, cold flow
Body import is located above hot fluid inlet, and cold fluid hands over mix nozzle to be placed in heat exchange tank interior, arrangement height and cold fluid inlet
It flushes, hot fluid outlet ports are located above cold fluid inlet, lower than at hot fluid liquid level, and cold fluid outlet is located at heat exchange tank body and most pushes up
Portion.Hot fluid enters heat exchange from hot fluid inlet and tank body bottommost and flows up, since cold fluid hands over mix nozzle and cold flow
Body direct contact heat transfer is flowing out heat exchange tank body from hot fluid outlet ports；Cold fluid flows into heat exchange tank body lower part from cold fluid inlet,
From cold fluid hand over mix nozzle outflow and with hot fluid mixed heat transfer, finally from cold fluid outlet flow out heat exchange tank body.
Further, above-mentioned cold fluid hands over mix nozzle injection heat exchange tank base by cold fluid, sufficiently hands over hot fluid
It after hybrid junction touches and absorbs heat, flows up and is separated with hot fluid, from cold fluid outlet outflow heat exchanger；Big specific gravity hot fluid quilt
After cooling, from the hot fluid outlet ports outflow heat exchanger below hot fluid liquid level.
Further, above-mentioned hot fluid is using the big specific gravity, high boiling medium such as fused salt, liquid metal, cold fluid using water,
Organic working medium, supercritical gas etc. are small to compare dense media；After cold fluid and hot fluid contact, do not occur acutely to chemically react.
Further, after above-mentioned cold fluid is heated, has good compressibility, and the heat full of heat exchange tank interior
Above fluid level；Tank body exchange heat as pressure buffer device, the transient pressure for avoiding cold fluid and hot fluid from directly contacting is to hot fluid
System causes stress impact.
The beneficial effects of the present invention are:
1) mix nozzle is handed over by cold fluid, makes cold fluid uniformly dispersing in hot fluid pond, is directly connect using efficient
Touch heat exchange, equipment size is small, at low cost, is convenient for commercial applications.
2) direct-contact heat exchanger, the structures such as no heat exchanger tube, thermal expansion, fouling and corrosion of dividing wall type heat exchanger etc. are asked
Topic greatly reduces, and using the different physical property characteristics of cold and hot fluid, realizes two kinds of fluids inside heat exchanger and mixes, changes automatically
Heat and separation.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, of the invention
Illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.
Fig. 1 be according to embodiments of the present invention in small-sized lead base reactor cold fluid and hot fluid directly contact hand over mix heat exchanger it is whole
Body device schematic diagram.
Description of symbols: 1, exchange heat tank body；2, hot fluid liquid level；3, hot fluid outlet ports；4, hot fluid inlet；5, cold flow
Body hands over mix nozzle；6, cold fluid inlet；7, liquidometer；8, cold fluid outlet.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combine.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1: it as shown in Figure 1, a kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship, including changes
Hot tank body 1, liquid lead alloy liquid level 2, liquid metal outlet 3, liquid metal import 4, water supply hand over mix nozzle 5, water supply into
Mouth 6, metal liquidometer 7, steam (vapor) outlet 8.Wherein, liquid metal import 4, water supply hand over mix nozzle 5, feed-water inlet 6 to be located at
Exchange heat 1 bottom of tank body, and liquid metal outlet 3 is located at 2 lower section of liquid lead alloy liquid level, and steam (vapor) outlet is located at heat exchange tank body 1 and pushes up
Portion.The hot fluid inlet 4 is located at heat exchange 1 bottommost of tank body, and cold fluid inlet 6 is located at 4 top of hot fluid inlet, and cold fluid is handed over
Mix nozzle 5 is placed in inside heat exchange tank body 1, arrangement height is flushed with cold fluid inlet 6, and hot fluid outlet ports 3 are located at cold fluid inlet 6
Top is lower than at hot fluid liquid level 2, and cold fluid outlet 8 is located at heat exchange 1 top of tank body.
The liquid metal flows into exchanger base from liquid metal import 4, flows up and closes again from liquid lead
3 outflow of gold outlet.Water supply enters heat exchanger from feed-water inlet 6, hands over mix nozzle 5 directly to mix life with liquid metal by water supply
At steam, and as liquid metal flows from bottom to top.Due to the greatest differences of vapour density and liquid lead alloy density, steam
Vapour is realized in flow process to be automatically separated with liquid metal, finally exports 8 outflow heat exchangers from heat exchanger overhead vapor.
1 steam inside of heat exchange tank body has good compressibility, directly contacts generation to liquid lead bismuth and water
Compression shock play good buffer function, the circuit system where avoiding compression shock from being applied directly to liquid lead bismuth is made
At the destruction of equipment in lead bismuth circuit system.
Embodiment 2: as shown in Figure 1, a kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship, this implementation
Example is identical as 1 structure of embodiment, the difference is that using fused salt as heating fluid, using supercritical carbon dioxide as hair
Electrician's matter, fused salt flow into heat exchanger from hot fluid outlet ports 3, from 4 outflow heat exchanger of hot fluid inlet.
Claims (5)
1. a kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship, it is characterised in that: including the tank body that exchanges heat
(1), hot fluid liquid level (2), hot fluid outlet ports (3), hot fluid inlet (4), cold fluid hand over mix nozzle (5), cold fluid inlet
(6), liquidometer (7) and cold fluid outlet (8)；Wherein:
The hot fluid inlet (4) is located at heat exchange tank body (1) bottommost, and cold fluid inlet (6) is located on hot fluid inlet (4)
Side, cold fluid hands over mix nozzle (5) to be placed in heat exchange tank body (1) inside, arrangement height is flushed with cold fluid inlet (6), and hot fluid goes out
Mouth (3) is located above cold fluid inlet (6), lower than at hot fluid liquid level (2), and cold fluid outlet (8) is located at heat exchange tank body (1) most
Top；
Hot fluid enters heat exchange tank body (1) bottommost from hot fluid inlet (4) and flows up, and hands over mix nozzle (5) from cold fluid
Beginning and cold fluid direct contact heat transfer are flowing out heat exchange tank body (1) from hot fluid outlet ports (3)；
Cold fluid flows into heat exchange tank body (1) lower part from cold fluid inlet (6), hands over mix nozzle (5) outflow and and hot-fluid from cold fluid
Body mixed heat transfer finally flows out heat exchange tank body (1) from cold fluid outlet (8).
2. small-sized lead base reactor cold fluid and hot fluid according to claim 1 directly contacts the mixed heat exchanger of friendship, it is characterised in that:
The cold fluid hands over mix nozzle (5) injection heat exchange tank body (1) bottom by cold fluid, sufficiently hybrid junction is handed over to touch with hot fluid and absorbed
It after heat, flows up and is separated with hot fluid, from cold fluid outlet (8) outflow heat exchanger.
3. small-sized lead base reactor cold fluid and hot fluid according to claim 1 directly contacts the mixed heat exchanger of friendship, it is characterised in that:
The hot fluid is fused salt, the big specific gravity of liquid metal, high boiling medium.
4. small-sized lead base reactor cold fluid and hot fluid according to claim 1 directly contacts the mixed heat exchanger of friendship, it is characterised in that:
The cold fluid is water, organic working medium, supercritical gas is small is had compressibility after hot fluid heats than dense media, and not
Acutely chemical reaction occurs.
5. small-sized lead base reactor cold fluid and hot fluid according to claim 1 directly contacts the mixed heat exchanger of friendship, it is characterised in that:
The heat exchange tank body (1) is used as hot fluid pressure buffer, and cold fluid and hot fluid is avoided to hand over the mixed transient pressure that generates to thermofluid system
Cause stress impact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393590.3A CN109595537A (en) | 2018-11-21 | 2018-11-21 | A kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393590.3A CN109595537A (en) | 2018-11-21 | 2018-11-21 | A kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship |
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| Publication Number | Publication Date |
|---|---|
| CN109595537A true CN109595537A (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811393590.3A Pending CN109595537A (en) | 2018-11-21 | 2018-11-21 | A kind of small-sized lead base reactor cold fluid and hot fluid directly contacts the mixed heat exchanger of friendship |
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| CN (1) | CN109595537A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033113A (en) * | 1974-10-07 | 1977-07-05 | Clean Energy Corporation | Steam generation with coal |
| DE2607168A1 (en) * | 1976-02-21 | 1977-09-01 | Deutsche Forsch Luft Raumfahrt | METHOD AND DEVICE FOR EXCHANGING HEAT |
| RU2384800C1 (en) * | 2008-10-13 | 2010-03-20 | Федеральное государственное унитарное предприятие "Государственный научный центр Российской Федерации - Физико-энергетический институт имени А.И. Лейпунского" | Contact heat exchanger |
| RU2384801C1 (en) * | 2008-10-13 | 2010-03-20 | Федеральное государственное унитарное предприятие "Государственный научный центр Российской Федерации - Физико-энергетический институт имени А.И. Лейпунского" | Contact heat exchanger |
| CN204373272U (en) * | 2014-12-10 | 2015-06-03 | 昆明理工大学 | A kind of direct contact type boiling heat exchanger |
| CN206369487U (en) * | 2016-12-20 | 2017-08-01 | 西安交通大学 | A kind of direct contact heat exchanger |
-
2018
- 2018-11-21 CN CN201811393590.3A patent/CN109595537A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033113A (en) * | 1974-10-07 | 1977-07-05 | Clean Energy Corporation | Steam generation with coal |
| DE2607168A1 (en) * | 1976-02-21 | 1977-09-01 | Deutsche Forsch Luft Raumfahrt | METHOD AND DEVICE FOR EXCHANGING HEAT |
| RU2384800C1 (en) * | 2008-10-13 | 2010-03-20 | Федеральное государственное унитарное предприятие "Государственный научный центр Российской Федерации - Физико-энергетический институт имени А.И. Лейпунского" | Contact heat exchanger |
| RU2384801C1 (en) * | 2008-10-13 | 2010-03-20 | Федеральное государственное унитарное предприятие "Государственный научный центр Российской Федерации - Физико-энергетический институт имени А.И. Лейпунского" | Contact heat exchanger |
| CN204373272U (en) * | 2014-12-10 | 2015-06-03 | 昆明理工大学 | A kind of direct contact type boiling heat exchanger |
| CN206369487U (en) * | 2016-12-20 | 2017-08-01 | 西安交通大学 | A kind of direct contact heat exchanger |
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Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |