CN110030618A - One kind being based on transpiration-cooled heating solar heat absorber - Google Patents
One kind being based on transpiration-cooled heating solar heat absorber Download PDFInfo
- Publication number
- CN110030618A CN110030618A CN201910278900.5A CN201910278900A CN110030618A CN 110030618 A CN110030618 A CN 110030618A CN 201910278900 A CN201910278900 A CN 201910278900A CN 110030618 A CN110030618 A CN 110030618A
- Authority
- CN
- China
- Prior art keywords
- heat
- water
- vapour
- pipe
- heat exchanger
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses one kind to be based on transpiration-cooled heating heat dump, is applied to solar energy tower type collecting system, including shell and tube heat dump pipe row, lower catch box, upper steam manifold, vapour/water- to-water heat exchanger, feed pump and control system composition.In the endothermic system, heat-transfer working medium is enclosed in heat dump pipe row, in the enclosure space that lower catch box, upper steam manifold, vapour/water- to-water heat exchanger are established, heat-transfer working medium absorbs the heat of heat dump pipe row's transmitting and vaporization, into upper steam manifold, heat-transfer working medium steam enters vapour/water- to-water heat exchanger shell-side by connecting pipe, and in vapour/water- to-water heat exchanger condensation, transfers heat to pipe side and be heated fluid, heat-transfer working medium after exothermic condensation returns to lower catch box by connecting pipe, forms closed cycle.Connecting pipe between heat dump and vapour/water- to-water heat exchanger needs to do insulation.The present invention solve tower heat dump flow velocity under the conditions of big focusing ratio, the small temperature difference, big flow, hydraulics distribution, flow field control and heat dump safety issue.
Description
Technical field
The present invention relates to thermal-arrests and heating technology field, and in particular to one kind is based on transpiration-cooled heating solar column
Formula collecting system heat dump, in particular to a kind of base when tower heat collection technology being applied to heating, under small temperature difference big flow
In the solar energy tower type heat dump of evaporation cooling idle circulation and secondary circuit circulation.
Background technique
Large solar district heating technology is the important development direction of the following solar-heating, large capacity solar energy collection
The cost of hot systems, reliability, safety are the important leverages of solar-heating technology scaleization application.Currently, solar energy area
Heat supply main heat collector form in domain is flat plate collector and vacuum tube collector, it is contemplated that user terminal Thermal comfort, pipe network
The factors such as safety and Antimicrobial, heating system pipe network water supply temperature at 70 DEG C or more, return water temperature at 40 degree or more, by
In China, vast heating districts winter temperature is lower, and under the running temperature, non-concentrating type heat collector heat loss is larger, Heating Season
The heat collecting field thermal efficiency is too low, large-scale heat collecting field hydraulics tissue, antifreeze, anti-overheat and corrosion-resistant etc. more demanding etc. many asks
Topic, develop the solar heating system based on tower light and heat collection, can effectively evade traditional solar heating efficiency it is too low and
The problems such as antifreeze are the important directions of solar heating technology development.
One of the core component of the tower tower lift hotter power generation of eye of heat dump formula.And tower heat collection technology is normally applied the sun
The hot power field of energy, heat dump design are generally high concentration ratio and high temperature difference design, and heat dump working medium is generally water or melting
Salt, device of working medium heat dump running temperature is generally in the design of saturation or directly superheated steam formula heat dump fuse salt working medium heat dump
The temperature difference at 300 DEG C or more, and when in heating system in application, heat dump supply backwater temperature difference is only 30 DEG C, in your extreme item
May be only at 10 DEG C or so under part, compared with hot power generation heat dump, heating heat dump is since temperature end difference is smaller, and and vapour
It is close to change point, if arranging formula heat dump using conventional tube, heat dump fluid design flow is excessive, and flow velocity is excessively high, and meeting is much super
Velocity in pipes as defined in associated conduit standard is crossed, heat dump resistance is excessively high, and main pump power consumption is significantly increased and needs to carry out special set
Meter, meanwhile, the erosion corrosion of heat dump tube bank will be significantly increased in high flow rate, reduces heat dump service life.In actual operation,
It is difficult to ensure the flow equilibrium between heat dump parallel connection, due to solar irradiation fluctuation, change in location, heliostat and mirror field error etc.
The presence of problem, heat dump surface energy is uneven, and real-time fluctuations, and the evaporation point of heat dump operating temperature and water connects very much
Closely, device of working medium in the heat dump pipeline for receiving high hot-fluid is easily caused to vaporize, the water flow velocity being further reduced in the pipeline
Degree, causing heat absorption, overpressure rises sharply, absorbing pipe temperature increases and leads to heat dump overall failure.
Summary of the invention
It is an object of the invention to overcome in heating device of working medium tower type solar collecting system tower heat dump in high energy
Stream, great fluctuation process, heated and assignment of traffic that the complex condition of non-homogeneous, the small temperature difference occurs are uneven, caused by heat dump design
Dead point, control is complicated and heat dump safety issue, provides a kind of based on evaporation is cooling and the heating of secondary circuit heat exchange is with tower
Heat dump scheme is designed with tower heat dump with to solve the problems, such as heating and operational safety.
The purpose of the present invention can be reached by adopting the following technical scheme that:
One kind being based on transpiration-cooled heating solar heat absorber, and the solar heat absorber includes heat dump heat transfer
Water heating circuit in the evaporative condenser circuit and vapour/water- to-water heat exchanger of working medium, wherein the evaporative condenser circuit includes successively
Recycle lower catch box 1, heat dump pipe row 2 and 6 shell-side of upper steam manifold 3 and vapour/water- to-water heat exchanger of connection, the water heating
Circuit includes the feed pump 8 being sequentially communicated, water inlet pipe 7,6 pipe side of vapour/water- to-water heat exchanger and outlet pipe 5,
Wherein, the outer surface of heat dump pipe row 2 receives the sunlight reflected from Jing Chang as heat-absorbent surface, adds
Heat-transfer working medium in hot heat dump pipe row 2, heat-transfer working medium absorbs heat after phase transformation, enters into upper steam manifold 3, and by connecting pipe
6 shell-side of vapour/water- to-water heat exchanger, and condensed in vapour/water- to-water heat exchanger 6, it transfers heat to 6 pipe side of vapour/water- to-water heat exchanger and is heated stream
Body, the heat-transfer working medium after exothermic condensation pass through connecting pipe and return to lower catch box 1, form closed cycle circuit；
Wherein, the feed pump 8 drives water at low temperature to enter 6 pipe side of vapour/water- to-water heat exchanger by water inlet pipe 7, and absorption comes from
The heat of 6 shell-side of vapour/water- to-water heat exchanger returns to heating heat supply network or heat reservoir by outlet pipe 5 after water heating.
Further, the upper steam manifold 3 connects 6 shell-side of vapour/water- to-water heat exchanger, the next part by steam union 4
Liquid case 1 connects 6 shell-side of vapour/water- to-water heat exchanger by returning liquid union 9.
Further, heat dump pipe row 2 is arranged using tower heat dump pipe or shell and tube heat dump pipe is arranged.
Further, the outer surface of heat dump pipe row 2 sprays coating for selective absorption.
Further, the inner surface of heat dump pipe row 2 and lower catch box 1 makees close wet process or installs close moist wood additional
Material.
Further, in the evaporative condenser circuit heat-transfer working medium by heat dump pipe row 2 in heat absorption increasing temperature and pressure and
The pressure difference, heat dump pipe of cooling condensation arrange density contrast and the wet place of parent of 2 short transverse heating up process in vapour/water- to-water heat exchanger 6
Under the psychrometric difference of reason drives jointly, the evaporative condenser circulation an of no benzene is formed.
Further, the vapour/water- to-water heat exchanger 6 is dividing wall type heat exchanger.
The present invention has the following advantages and effects with respect to the prior art:
The present invention proposes to use based on the cooling tower heat dump of heating with secondary circuit heat exchange of evaporation in heat dump side
Phase-change working substance promotes the heat absorption capacity of heat dump heat-transfer working medium, avoids direct device of working medium in the small temperature difference, is system safety
Property and reduce focusing ratio, cause heat dump opening area excessive, and cause to absorb heat tower and heat dump cost it is excessively high, or in limited suction
Under hot device opening, overheats or the small temperature difference-big flow operating condition occurs, flow velocity is caused to be more than metallic conduit design current velocity and lead
The design dead unit problem of cause.Secondary circuit side is established in primary Ioops side in heating and colling end using vapour/water- to-water heat exchanger design simultaneously
Pressure difference constitutes passively adaptive circulation loop.In water side, due to heating process and the solar irradiation tower heat dump of water
Surface can flow the relationship of disengaging, and the design of heat exchange area, tube bundle designs frontier inspection are loose, be not in design dead unit problem.It should
Scheme is designed by secondary circuit, solves the problems, such as tower optical and thermal-hydraulics complicated coupling under the small temperature difference, and design is simple, and operation is more
It is reliable.
Detailed description of the invention
Fig. 1 is disclosed by the invention a kind of based on transpiration-cooled heating solar heat absorber schematic diagram.
In attached drawing: catch box under 1-, 2- shell and tube heat dump pipe row, the upper steam manifold of 3-, 4- steam union, 5- outlet pipe,
6- vapour/water- to-water heat exchanger, 7- water inlet pipe, 8- feed pump, 9- return liquid union.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
The present embodiment introduces passive type evaporation cooling technique as the main heat-absorbent surface of solar heat absorber, so that heat absorption and water follow
Loop system separation, heat-absorbent surface receive the sunlight reflected from Jing Chang, the heat-transfer working medium in heating heat dump pipe row 2, work of conducting heat
Matter is absorbed heat after phase transformation, enters 6 shell-side of vapour/water- to-water heat exchanger into upper steam manifold 3, and by connecting pipe, and in vapour/water- to-water heat exchanger
Condensation, transfers heat to 6 pipe side of vapour/water- to-water heat exchanger and is heated fluid, the heat-transfer working medium after exothermic condensation passes through connecting pipe
Lower catch box 1 is returned, closed cycle is formed.By phase-change heat-exchange in heat dump pipe row 2 in the embodiment, reduce heat dump pipe row
Refrigerant flow rate in 2 is designed in pipe is arranged using the structure of autonomous moisture absorption, when irradiance fluctuations, in every heat dump pipeline
Evaporation capacity and working medium flow carry out adaptive condition under the promotion of psychrometric difference, avoid heat dump caused by overheat and non-uniform flow
It is dangerous to ask questions, and in vapour/water- to-water heat exchanger 6, because not limited by factors such as heat dump structure and areas, can pass through
The design such as Pipe bundle structure, area and enhanced heat exchange, reduction heat exchanger water effluent speed, the safety of comprehensive coverage heat absorber system,
Establish heating solar energy tower type heat absorber system.The program passes through heat absorption circuit phase transformation and heat-transfer surface enhanced heat exchange separating treatment
Form, solve and heating be poor with small end, big flow, can flow fluctuation greatly and the direct device of working medium heat dump of big flow fluctuation designs extremely
Point problem and safety in operation problem.
The solar heat absorber mainly includes that heat dump pipe arranges 2, lower catch box 1, upper steam manifold 3, vapour/water- to-water heat exchanger 6, master
The accessories such as water pump 8.
Relate generally to two fluid circuits: the water in the evaporative condenser circuit and vapour/water- to-water heat exchanger of heat dump heat-transfer working medium
Heating circuit.The specific endless form in 2 circuits are as follows:
The evaporative condenser circuit of heat dump heat-transfer working medium: when sunlight is reflected into heat dump pipe by heliostat arranges 2 surface,
2 absorption sunlight of heat dump pipe row is simultaneously converted into thermal energy, undergoes phase transition after the heat-transfer working medium heat absorption in pipe row, under the effect of gravity
It flows up, and enters upper steam manifold 3, upper steam manifold 3 is connect by connecting pipe with vapour/water- to-water heat exchanger 6, when upper steam manifold 3
Gas flowed to vapour/water- to-water heat exchanger 6 when reaching a pressure, and exchange heat with 6 pipe side liquid of vapour/water- to-water heat exchanger, gaseous heat transfer
It is condensed into liquid after working medium heat release, and lower catch box is returned to by connecting pipe, completes a heat absorption evaporation and exothermic condensation
Absorb heat exothermic process, and constitutes a closed loop.In the cycle, phase-change working substance is in heat dump pipe row 2 and vapour/water- to-water heat exchanger
Flowing in 6, heat-transfer working medium heat the high-pressure side that pressure build-up vaporized can be considered as closed loop in heat dump, and gas-phase working medium exists
Exothermic condensation decompression can be considered as the low-pressure side of closed circuit in vapour/water- to-water heat exchanger, in heat dump high pressure and vapour/water- to-water heat exchanger
The driving of low-voltage differential, which is formed, is based on transpiration-cooled passive type idle spontaneous circulation.In 2 design of heat dump pipe row, heat absorption
Close wet process is needed inside device pipe row 2, upward mass transfer ability of enhancing liquid refrigerant under the conditions of wet difference ensures heat dump
Pipe arranges the wettability and heat-transfer capability of 2 inner surfaces.Meanwhile in the integrally closed loop space of evaporation cooling circuit, to lower catch box 1
It is designed with filling amount according to design focusing ratio and fluctuation range.
Water heating circuit in vapour/water- to-water heat exchanger: the water at low temperature from heating system (or heat reservoir) is in feed pump 8
Driving is lower to enter vapour/water- to-water heat exchanger pipe side, absorbs the heat from shell-side, and temperature increases, and returns to heating heat supply network (or heat accumulation system
System).Due to not influenced by the when solar irradiation fluctuation of the size of recirculated water out temperature difference, optically focused, the waterpower of heat exchanger
The design margin for learning structure, heat transfer area (heat-energy transducer stays) etc. is larger, is adapted to big changes of heat flux, security row does not occur and ask
Topic.
Embodiment two
As shown in Figure 1, a kind of be based on transpiration-cooled heating solar heat absorber schematic diagram, it is applied to tower thermal-arrest system
System mainly includes lower catch box 1, heat dump pipe row 2, upper steam manifold 3, vapour/water- to-water heat exchanger 6, feed pump 8 and connecting pipe etc.
Related ancillary equipment.
It is secondary circuit that transpiration-cooled heating is based on disclosed in the present embodiment with solar energy tower type collecting system with heat dump
Circulation pattern is based on transpiration-cooled passive phase-change diabatic process, at two times in primary Ioops side (that is, evaporative condenser circuit)
Road (that is, water heating circuit) side, transfers heat to heating device of working medium by heat exchanger.In primary Ioops side, when heliostat will
When sunlight is reflected into tower or shell and tube heat dump pipe 2 surface of row, heat dump pipe arranges the liquid heat transfer fluid in 2, and liquid passes
It is undergone phase transition after hot fluid heat absorption and enters upper steam manifold 3, when the heat-transfer fluid steam pressure in upper steam manifold 3 reaches certain water
Usually, heat-transfer fluid steam is pushed to enter vapour/water- to-water heat exchanger 6, in vapour/water- to-water heat exchanger 6, the heat-transfer fluid steam of primary Ioops side
Heating with 6 other side of vapour/water- to-water heat exchanger is exchanged heat with device of working medium, is heated to heating water, while the biography of primary Ioops side
The condensation of hot fluid steam becomes liquid, returns to lower catch box 1, and primary Ioops fluid forms closed cycle circuit.In primary Ioops fluid
It in circulation, needs to spray coating for selective absorption in the outer surface of heat dump pipe row 2, arranges 2 outer surfaces to promote heat dump pipe
Absorptivity reduces emissivity, ensures photothermal conversion efficiency.The wet place of parent is carried out in the inner surface of heat dump pipe row 2 and lower catch box 1
Reason, or install close wet stock additional, promotes primary Ioops liquid heat transfer working medium wet difference transmittability in heat dump pipe short transverse, will under
Heat-transfer working medium in catch box is lifted up, so that heat dump pipe arranges 2 inner walls and is in moisture state, absorbs heat dump appearance in time
The thermal energy in face ensures that heat dump pipe arranges 2 metal temperatures and security of system.In primary Ioops fluid circulation, fluid is in heat dump
Increasing temperature and pressure of absorbing heat in pipe row 2 and pressure difference, the heat dump pipe of the interior cooling condensation of vapour/water- to-water heat exchanger 6 arrange 2 short transverse heat temperature raisings
Under the density contrast of process and the psychrometric difference of close wet process drive jointly, the evaporative condenser circulation an of no benzene is formed.Vapour/
In water- to-water heat exchanger 6, since lower catch box 1 is in full liquid status, when heat dump pipe 2 surfaces of row are uneven because of energy flow distribution,
Since fluid is voluntarily driven under the immixture power of pressure difference, wet difference and density contrast in each bypass line, have very strong
Adaptivity, the evaporation capacity and fluid flow of each bypass duct can be changed according to practical irradiation is closed with temperature conditions, will not
There is dry combustion method phenomenon, has ensured the reliability of absorbing pipe surface temperature.
Vapour/water- to-water heat exchanger 6 is dividing wall type heat exchanger, and heating low temperature device of working medium passes through water inlet under the driving of feed pump 8
Pipe 7 enters 6 pipe side of vapour/water- to-water heat exchanger, absorbs the heat surveyed from primary Ioops steam, returns to heating by outlet pipe 5 after heating
Pipe network.In the design of vapour/water- to-water heat exchanger 6, according to vapor-water heat exchanger design specification, design heat exchange amount range and pipeline material
Specification etc. is designed.
Heat dump pipe row 2 design in, need to heat dump pipe arrange and primary Ioops pressure difference, it is wet difference and density contrast driving force into
Row is checked, if heat collecting field area is very big, when 2 height of heat dump pipe row is higher, if wet difference driving force is in short transverse power
When insufficient, heat dump pipe can be arranged into 2, lower catch box 1, upper steam manifold 3, vapour/water- to-water heat exchanger 6 are made into small-sized module, and lead to
The form of matrix arrangement is crossed, the large area heat dump array based on little module is constructed, forms spliced heat dump, to ensure heat absorption
The safety of device.
In conclusion generating electricity with tower heat dump to heating to further solve heat in tower heat dump transition process
Problems, above-described embodiment will establish based on evaporation is cooling and the tower heat dump of heating of secondary circuit heat exchange, one side
Interior phase-change heat-exchange is arranged by heat dump pipe, reduces the refrigerant flow rate in heat dump pipe row, the knot of autonomous moisture absorption is used in pipe is arranged
Structure design, when irradiance fluctuations, evaporation capacity and working medium flow in every heat dump pipeline carry out certainly under the promotion of psychrometric difference
Condition of compatibility avoids heat dump unsafe problems caused by overheat and non-uniform flow, and in vapour/water- to-water heat exchanger because not by
The limitation of the factors such as heat dump structure and area can be designed by Pipe bundle structure, area and enhanced heat exchange etc., reduce heat exchanger
Heating solar energy tower type heat absorber system is established in water effluent speed, the safety of comprehensive coverage heat absorber system.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (7)
1. one kind is based on transpiration-cooled heating solar heat absorber, which is characterized in that the solar heat absorber includes
Water heating circuit in the evaporative condenser circuit and vapour/water- to-water heat exchanger of heat dump heat-transfer working medium, wherein the evaporative condenser returns
Road includes the lower catch box (1) for circuiting sequentially connection, heat dump pipe row (2) and upper steam manifold (3) and vapour/water- to-water heat exchanger
(6) shell-side, the water heating circuit include the feed pump (8) being sequentially communicated, water inlet pipe (7), vapour/water- to-water heat exchanger (6) pipe side
With outlet pipe (5),
Wherein, the outer surface of heat dump pipe row (2) receives the sunlight reflected from Jing Chang, heating as heat-absorbent surface
Heat dump pipe arrange (2) in heat-transfer working medium, heat-transfer working medium absorb heat phase transformation after, into upper steam manifold (3), and by connecting pipe into
Enter vapour/water- to-water heat exchanger (6) shell-side, and the condensation in vapour/water- to-water heat exchanger (6), transfers heat to vapour/water- to-water heat exchanger (6) pipe side
It is heated fluid, the heat-transfer working medium after exothermic condensation returns to lower catch box (1) by connecting pipe, forms closed cycle circuit；
Wherein, the feed pump (8) driving water at low temperature enters vapour/water- to-water heat exchanger (6) pipe side by water inlet pipe (7), absorbs and
From the heat of vapour/water- to-water heat exchanger (6) shell-side, heating heat supply network or heat reservoir are returned by outlet pipe (5) after water heating.
2. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Upper steam manifold (3) by steam union 4 connect vapour/water- to-water heat exchanger (6) shell-side, the lower catch box (1) pass through return liquid connection
Pipe 9 connects vapour/water- to-water heat exchanger (6) shell-side.
3. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Heat dump pipe row (2) using tower heat dump pipe arrange or shell and tube heat dump pipe row.
4. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Heat dump pipe row (2) outer surface spray coating for selective absorption.
5. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Heat dump pipe row (2) and the inner surface of lower catch box (1) make close wet process or install parent's wet stock additional.
6. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Evaporative condenser circuit in heat-transfer working medium by heat dump pipe row (2) in heat absorption increasing temperature and pressure and vapour/water- to-water heat exchanger (6) in cooling
Pressure difference, the density contrast of heat dump pipe row's (2) short transverse heating up process and the psychrometric difference of close wet process of condensation drive jointly
Under dynamic, the evaporative condenser circulation an of no benzene is formed.
7. according to claim 1 a kind of based on transpiration-cooled heating solar heat absorber, which is characterized in that described
Vapour/water- to-water heat exchanger (6) be dividing wall type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278900.5A CN110030618A (en) | 2019-04-09 | 2019-04-09 | One kind being based on transpiration-cooled heating solar heat absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278900.5A CN110030618A (en) | 2019-04-09 | 2019-04-09 | One kind being based on transpiration-cooled heating solar heat absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110030618A true CN110030618A (en) | 2019-07-19 |
Family
ID=67237653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278900.5A Pending CN110030618A (en) | 2019-04-09 | 2019-04-09 | One kind being based on transpiration-cooled heating solar heat absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344423A (en) * | 2020-10-10 | 2021-02-09 | 上海中如智慧能源集团有限公司 | Pumpless circulating heating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200430872Y1 (en) * | 2006-08-04 | 2006-11-13 | 임희빈 | Heat exchange-type electric boiler |
| CN101922758A (en) * | 2009-06-16 | 2010-12-22 | 苏庆泉 | Heating system and heating method |
| KR20110068333A (en) * | 2009-12-16 | 2011-06-22 | 이재우 | Solar thermal conduction heat-pipe for heating water |
| CN103090550A (en) * | 2011-10-31 | 2013-05-08 | 杭州三花研究院有限公司 | Solar receiver |
| CN103940110A (en) * | 2014-04-14 | 2014-07-23 | 浙江大学 | Boiling heat transfer improved type straight-through type natural circulating solar heat collection tube and method |
| CN107449026A (en) * | 2017-07-14 | 2017-12-08 | 武汉凯迪工程技术研究总院有限公司 | High-efficiency solar heating method and system based on stagewise heat accumulation heat release |
-
2019
- 2019-04-09 CN CN201910278900.5A patent/CN110030618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200430872Y1 (en) * | 2006-08-04 | 2006-11-13 | 임희빈 | Heat exchange-type electric boiler |
| CN101922758A (en) * | 2009-06-16 | 2010-12-22 | 苏庆泉 | Heating system and heating method |
| KR20110068333A (en) * | 2009-12-16 | 2011-06-22 | 이재우 | Solar thermal conduction heat-pipe for heating water |
| CN103090550A (en) * | 2011-10-31 | 2013-05-08 | 杭州三花研究院有限公司 | Solar receiver |
| CN103940110A (en) * | 2014-04-14 | 2014-07-23 | 浙江大学 | Boiling heat transfer improved type straight-through type natural circulating solar heat collection tube and method |
| CN107449026A (en) * | 2017-07-14 | 2017-12-08 | 武汉凯迪工程技术研究总院有限公司 | High-efficiency solar heating method and system based on stagewise heat accumulation heat release |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344423A (en) * | 2020-10-10 | 2021-02-09 | 上海中如智慧能源集团有限公司 | Pumpless circulating heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201963504U (en) | Medium low-temperature Stirling generating arranged of groove solar | |
| CN102852742A (en) | Tower type solar thermal power generation system for heat absorber of vacuum heat absorption pipes | |
| CN101907075B (en) | Multistage coupling heat accumulating type solar heat-power cogeneration system | |
| CN207554279U (en) | A kind of tower solar-thermal generating system | |
| CN108561282A (en) | A kind of slot type direct steam and fuse salt combined thermal power generating system | |
| CN102146899A (en) | Multi-tower binary-working-medium solar high-temperature heat power generation system | |
| CN104236132B (en) | Medium-high temperature solar energy storage device based on efficient heat storage and release unit | |
| CN202673591U (en) | Trough and tower solar hybrid power generation system | |
| CN209586603U (en) | The tower slot of three pot type fused salt heat accumulations couples solar-thermal generating system | |
| CN105698146A (en) | Solar steam boiler | |
| CN205478136U (en) | Reduce structure of tower solar photothermal power of fused salt station heat waste | |
| CN105157098B (en) | Utilize the solar heating device of phase-change material as a heat transfer medium | |
| CN106225541A (en) | The tower solar-thermal generating system of the many heat collectors of single column formula | |
| CN102661259B (en) | Integrated solar thermal power generation system | |
| CN108151359A (en) | A kind of two level heat accumulating type domestic solar utilizes system | |
| CN105649901B (en) | A kind of solar energy light gathering and heat collecting power generator based on absorption heat pump | |
| CN208123012U (en) | A kind of slot type direct steam and fuse salt combined thermal power generating system | |
| CN206875566U (en) | A kind of solar energy assisted gas power plant heating system | |
| CN103775144B (en) | High concentrating solar photo-thermal direct-evaporation-type positive fluid pressure cycle generating system | |
| CN110030618A (en) | One kind being based on transpiration-cooled heating solar heat absorber | |
| CN202675650U (en) | Water-heating and electricity-generating integrated type superconducting wall-mounted solar water heater | |
| CN206562943U (en) | A kind of solar energy cogeneration system complementary with coal fired power plant | |
| CN201705598U (en) | Solar water heating thermoelectricity conversion device | |
| CN104676568A (en) | Steam generator and steam generation system based on line focusing solar heat collection | |
| CN107218185A (en) | A kind of disc type solar energy live (open) steam heat generating system based on classification accumulation of heat |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190719 |
|
| RJ01 | Rejection of invention patent application after publication |