CN108645063A - Connector suitable for solar energy thermal-power-generating device - Google Patents

Connector suitable for solar energy thermal-power-generating device Download PDF

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Publication number
CN108645063A
CN108645063A CN201810537752.XA CN201810537752A CN108645063A CN 108645063 A CN108645063 A CN 108645063A CN 201810537752 A CN201810537752 A CN 201810537752A CN 108645063 A CN108645063 A CN 108645063A
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CN
China
Prior art keywords
connector
solar energy
power
baffle
generating device
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Pending
Application number
CN201810537752.XA
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Chinese (zh)
Inventor
房晓东
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Sichuan Dongfang Juyuan Science And Technology Co Ltd
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Sichuan Dongfang Juyuan Science And Technology Co Ltd
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Priority to CN201810537752.XA priority Critical patent/CN108645063A/en
Publication of CN108645063A publication Critical patent/CN108645063A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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Abstract

The invention discloses the connectors suitable for solar energy thermal-power-generating device, are related to solar energy thermal-power-generating connecting line, including connection heat collection mechanism and medium main pipe;The heating tube is arranged between heat collection mechanism and connector;The heating tube periphery is provided with ring flange, and the ring flange is connected by fastener;The ring flange center is equipped with through-hole, and is equipped with annular groove with through-hole and ring flange inner wall;Further include heater, the annular groove nesting heater;Further include fastener, insulation part, the fastener buckles into the flange of shell, further includes baffle, filter plate and sedimentary, the baffle is located in the through-hole of insulation part and the central axis of vertical through hole.The present invention can make fuse salt that the junction in joint, connector and medium main pipe be avoided to generate crystallization;The heat collection mechanism to rotate can be matched, to the precipitation crystallization for keeping fuse salt as few as possible;It is easy for installation with highly practical, the features such as suitability is strong.

Description

Connector suitable for solar energy thermal-power-generating device
Technical field
The present invention relates to solar energy thermal-power-generating connecting lines, and in particular to is suitable for the connector of solar energy thermal-power-generating device.
Background technology
Fuse salt is the molten state liquid of salt, and the fuse salt usually said refers to the molten mass of inorganic salts.Form molten state Its solid-state of inorganic salts is largely ionic crystals, forms ion melt after melting at high temperature, therefore most common fuse salt is It is made of alkali or alkaline earth metal and halide, silicate, carbonate, nitrate and phosphate.Fuse salt technology is exactly Common solid-solid inorganic salt is heated to its fusing point liquid formed above, and (such as NaNO3 is melted at 308 DEG C, common NaCl salt Melted at 801 DEG C), then achieve the purpose that solar energy heat-transferring accumulation of heat using the thermal cycle of fuse salt.Compared with traditional working medium, Fuse salt have use temperature range wide (from tens degrees Celsius to 1,000 degree Celsius or more), heat transfer property is high, operating pressure is low, A series of huge advantages such as cheap, fusion tray of thermal transmission and storage technology have obtained extensively in fields such as chemical industry, military projects Utilization, also had broad application prospects in new high-tech areas such as solar energy thermal-power-generating, biomass high-temperature hydrogen manufacturing.The U.S. Take the lead in the heat transfer accumulation of heat working medium for having used fuse salt as solar energy thermal-power-generating, and is tested in Solar Two solar energy thermal-power-generatings Good effect is achieved on power station.
If solar energy thermo-power station does not have energy storage, steam is directly generated by heat dump heat transfer heat exchange and is pushed to steam turbine hair Electricity, although system is relatively simple, power generation stability is poor, and load is non-adjustable.And it can be realized with energy-storage solar photo-thermal power station Solar heat conversion is kept completely separate with heat to electricity conversion, and power generation is not changed influence of fluctuations by sunlight, and power generation is continuous, stablizes, and can root Generated output is adjusted at any time according to the dispatch command of power grid, and governing speed is far faster than general thermoelectricity.Therefore, modern sun energy photo-thermal Power station (referring mainly to solar parabolic through power generation system) includes mainly following four subsystem:Collect thermal sub-system, steam generation System, power generation sub-system, heat accumulation subsystem.Wherein, collection thermal sub-system is attached with heat accumulation subsystem by medium main pipe.Collection Slot-type optical collector in thermal sub-system will rotate to reach highest efficiency according to the position of the sun, the thermal-collecting tube on concentrator It rotates therewith, and heat transfer medium main pipe is fixed, and a connection is needed to fill between such thermal-collecting tube and heat transfer medium main pipe It sets, which absorbs the thermal stress of the torsion that rotation generates and pipeline.
The patent that patent publication No. is CN207146954U discloses a kind of trough type solar power generation thermal-collecting tube and heat transfer Medium main pipe attachment device, using the sealing that can be realized between shell and spinning ball, and with certain elasticity so that rotation Turn sphere under external force can 360 ° rotation, 7.5 ° can also be deflected, can effectively solve the problem that the above problem.
This attachment device can have good working performance when using conduction oil as heat-conducting medium, but use heat accumulation When the more superior fuse salt of performance, since collection thermal sub-system usually has a degree of cooling with medium main pipe junction, It is particularly evident that situation is cooled down when winter, strong wind weather so that fuse salt is too low in external temperature, is transmitted from heat collection mechanism When to medium main pipe, the connector of connection is easy accumulation fuse salt crystallization, and then leads to fuse salt Crystallization Plugging attachment device, generates Connector interim card in turn results in the accelerated wear test of connector and connects the problems such as unreliable.
Invention content
It is too low in external temperature that the technical problem to be solved by the present invention is to fuse salts, is transmitted to from heat collection mechanism When medium main pipe, the connector of connection is easy accumulation fuse salt crystallization, and then leads to fuse salt Crystallization Plugging attachment device, and generation connects Head interim card in turn results in the accelerated wear test of connector and connects the problems such as unreliable, and it is an object of the present invention to provide being sent out suitable for solar heat The connector of electric installation, solves the above problems.
The present invention is achieved through the following technical solutions:
Suitable for the connector of solar energy thermal-power-generating device, include the connector and shell of connection heat collection mechanism and medium main pipe, The connector is connected with the heat collection mechanism of rotation, and the shell is connected with medium main pipe, and the connector is connected with shell socket;Institute It states shell to be coaxially disposed with medium main pipe, and contains flange, the flange is for increasing the contact that connector is socketed with medium main pipe Area further includes heating tube, and the heating tube is arranged between heat collection mechanism and connector;The heating tube periphery is provided with flange Disk, the ring flange are connected by fastener;The ring flange center is equipped with through-hole, and is equipped with ring with through-hole and ring flange inner wall Shape slot;Further include heater, the annular groove nesting heater;Further include fastener, insulation part, the fastener buckles into the convex of shell Edge, the fastener are connected as an entirety with insulation part by connector, and insulation part central coaxial direction is provided with through-hole; Further include baffle, filter plate and sedimentary, the baffle is located in the through-hole of insulation part and the central axis of vertical through hole;It is described Filter plate is vertical with baffle, and the sedimentary is arranged in the underface of filter plate, and liquid molten salt flows through connector by baffle side Blocking, the other side downwards through filter plate inflow sedimentary, then along sedimentary through the arrival baffle of filter plate flow out to Jie Matter main pipe.Since temperature comparatively fast declines when fuse salt is transferred to medium main pipe from heat collection mechanism, cause to occur to solidify and knot is precipitated Crystalline substance, and then block connector channel, cause the later stage damage of connector, therefore, heating tube and heater can be realized in heat collection mechanism Fuse salt is heated before being transferred to connector, to reduce the blocking of butt joint, since heat collection mechanism rotates, Directly pipeline cannot be heated simply by heat transfer method, therefore ad hoc connection structure of ring flange.
Further, the heater passes through heating tube and heating tube interior contact.To avoid thermal losses, heater is set Directly contacted with liquid molten salt.
Further, the heater is using quartzy carbon heating pipe.
Further, further include thermal insulation layer, the thermal insulation layer is arranged between annular groove and heater.Thermal insulator can have Effect reduces the requirement to ring flange, and is conducive to keep the temperature of heating tube to stablize for a long time.
Further, the insulation part is provided with socket with medium main pipe junction.The socket is conducive to keep Insulation part is closed with medium main pipe.
Further, the filter plate includes sepage plate, imports plate, baffle slot, and the baffle slot is kept off for connecting Plate and filter plate.The sepage plate and importing plate are combined by hole battle array, and difference lies in liquid molten salt is entered by importing plate Sedimentary flows out sedimentary by sepage plate, while the aperture ratio of sepage plate imports the small of plate, effectively blocks the crystal of precipitation Outflow, to realize the separation of solid and liquid of fuse salt.
Further, the connector is realized using pin, and pin is fixedly installed with insulation part, and pin is removable installing with fastener It sets.Pin can be adapted to various types of connectors with insulation part fixed setting, increase Generalization Capability.
Further, the fastener is removable assembling structure.
Compared with prior art, the present invention having the following advantages and advantages:
1, the present invention be suitable for solar energy thermal-power-generating device connector, can make fuse salt avoid joint, connector with The junction of medium main pipe generates crystallization;
2, the present invention is suitable for the connector of solar energy thermal-power-generating device, can match the heat collection mechanism to rotate, from And the precipitation crystallization for keeping fuse salt as few as possible;
3, the present invention is suitable for the connector of solar energy thermal-power-generating device, has highly practical, and easy for installation, suitability is strong etc. Feature.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of an embodiment of the present invention filter plate.
Label and corresponding component names in attached drawing:
1- connectors, 2- shells, 3- heating tubes, 4- ring flanges, 5- heaters, 6- thermal insulation layers, 7- fasteners, 8- fasteners, 9- Insulation part, 10- connectors, 11- baffles, 12- filter plates, 121- sepage plates, 122- import plate, 123- baffle slots, 13- depositions Layer, 14- sockets.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment 1
As shown in Figure 1, the present invention is suitable for the connector of solar energy thermal-power-generating device, including connection heat collection mechanism and medium mother The connector 1 and shell 2 of pipe, the connector 1 are connected with the heat collection mechanism of rotation, and the shell 2 is connected with medium main pipe, described to connect First 1 connects with the socket of shell 2;The shell 2 is coaxially disposed with medium main pipe, and contains flange, and the flange connects for increasing First 1 with the contact area of medium main pipe socket, further include heating tube 3, the setting of the heating tube 3 heat collection mechanism and connector 1 it Between;3 periphery of the heating tube is provided with ring flange 4, and the ring flange 4 is connected by fastener 7;4 center of the ring flange is set There is through-hole, and annular groove is equipped with through-hole and 4 inner wall of ring flange;Further include heater 5, the annular groove nesting heater 5;Also Including fastener 8, insulation part 9, the fastener 8 buckles into the flange of shell 2, and the fastener 8 is connect with insulation part 9 by connector 10 For an entirety, 9 central coaxial direction of the insulation part is provided with through-hole;Further include baffle 11, filter plate 12 and sedimentary 13, The baffle 11 is located in the through-hole of insulation part 9 and the central axis of vertical through hole;The filter plate 12 is vertical with baffle 11, institute It states sedimentary 13 to be arranged in the underface of filter plate 12, liquid molten salt flows through connector 1 to be stopped by 11 side of baffle, is penetrated downwards Filter plate 12 flows into sedimentary 13, then flows out to medium mother through the other side of the arrival baffle 11 of filter plate 12 along sedimentary 13 Pipe.Since temperature comparatively fast declines when fuse salt is transferred to medium main pipe from heat collection mechanism, cause to occur to solidify and crystallization is precipitated, into And block 1 channel of connector, cause the later stage damage of connector 1, therefore, heating tube 3 and heater 5 can be realized and be passed in heat collection mechanism Fuse salt is heated before being handed to connector 1, to reduce the blocking of butt joint 1, since heat collection mechanism rotates, Directly pipeline cannot be heated simply by heat transfer method, therefore 4 connection structure of ad hoc ring flange.
Embodiment 2
The present embodiment is made that restriction further below on the basis of embodiment 1:The heater 5 passes through heating tube 3 With 3 interior contact of heating tube.To avoid thermal losses, setting heater 5 from directly being contacted with liquid molten salt.The heater 5 is adopted With quartzy carbon heating pipe.Further include thermal insulation layer 6, the thermal insulation layer 6 is arranged between annular groove and heater 5.Thermal insulator energy Enough requirements effectively reduced to ring flange 4, and be conducive to keep the temperature of heating tube 3 to stablize for a long time.The insulation part 9 and Jie Matter main pipe junction is provided with socket 14.The socket 14 is conducive to keep the closed of insulation part 9 and medium main pipe.Such as figure Shown in 2, the filter plate 12 includes sepage plate 121, imports plate 122, baffle slot 123, and the baffle slot 123 is for connecting Baffle 11 and filter plate 12.The sepage plate 121 and importing plate 122 are combined by hole battle array, and difference lies in liquid molten salt is logical It crosses importing plate 122 and enters sedimentary 13, sedimentary 13 is flowed out by sepage plate 121, while the aperture ratio of sepage plate 121 imports plate 122 it is small, effectively block precipitation crystal outflow, to realize the separation of solid and liquid of fuse salt.The connector 10 uses pin It realizes, pin is fixedly installed with insulation part 9, and pin is dismantled and assembled setting with fastener 8.Pin can be adapted to each with the fixed setting of insulation part 9 The connector 1 of type increases Generalization Capability.The fastener 8 is removable assembling structure.The use of the heating tube 3 but not limit type number For ASTMA511304 stainless steel tubes;The heater 5 uses but limit type number is not sent out for the quartzy carbon of the general IPCH113-2 of English Heat pipe;The ring flange 4 uses but does not limit the ring flange 4 of auspicious DN25, and the thermal insulation layer 6 uses but do not limit Zibo with hair High aluminium profiles ceramic fibre gets rid of silk rug, the fastener 7 use but do not limit be bolted, rivet, axis pin connection;The insulation part 9 use but do not limit Zibo with send out high aluminium profiles ceramic fibre and get rid of silk rug, the use of the filter plate 12 but do not limit high temperature insulating silicon Sour aluminum fiberboard.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (8)

1. suitable for the connector of solar energy thermal-power-generating device, include the connector (1) and shell of connection heat collection mechanism and medium main pipe (2), the connector (1) is connected with the heat collection mechanism of rotation, and the shell (2) is connected with medium main pipe, the connector (1) and shell Body (2) socket connection;The shell (2) is coaxially disposed with medium main pipe, and contains flange, and the flange is for increasing connector (1) contact area being socketed with medium main pipe, which is characterized in that further include heating tube (3), heating tube (3) setting is collecting Between heat engine structure and connector (1);Heating tube (3) periphery is provided with ring flange (4), and the ring flange (4) passes through fastener (7) it connects;Ring flange (4) center is equipped with through-hole, and is equipped with annular groove with through-hole and ring flange (4) inner wall;Further include adding Hot device (5), the annular groove nesting heater (5);Further include fastener (8), insulation part (9), the fastener (8) buckles into shell (2) flange, the fastener (8) and insulation part (9) are connected as an entirety by connector (10), in the insulation part (9) Heart coaxial direction is provided with through-hole;Further include baffle (11), filter plate (12) and sedimentary (13), the baffle (11) be located at every The central axis of the interior simultaneously vertical through hole of the through-hole of hot portion (9);The filter plate (12) is vertical with baffle (11), the sedimentary (13) it is arranged in the underface of filter plate (12), liquid molten salt flows through connector (1) to be stopped by baffle (11) side, is penetrated downwards Filter plate (12) flows into sedimentary (13), then along sedimentary (13) through another effluent of the arrival baffle (11) of filter plate (12) Go out to medium main pipe.
2. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the heater (5) heating tube (3) and heating tube (3) interior contact are passed through.
3. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the heater (5) using quartzy carbon heating pipe.
4. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that further include thermal insulation layer (6), the thermal insulation layer (6) is arranged between annular groove and heater (5).
5. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the insulation part (9) medium main pipe junction is provided with socket (14).
6. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the filter plate (12) include sepage plate (121), import plate (122), baffle slot (123), the baffle slot (123) is for connecting baffle (11) with filter plate (12).
7. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the connector (10) pin is used to realize, pin is fixedly installed with insulation part (9), and pin is dismantled and assembled setting with fastener (8).
8. the connector according to claim 1 suitable for solar energy thermal-power-generating device, which is characterized in that the fastener (8) For removable assembling structure.
CN201810537752.XA 2018-05-30 2018-05-30 Connector suitable for solar energy thermal-power-generating device Pending CN108645063A (en)

Priority Applications (1)

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CN201810537752.XA CN108645063A (en) 2018-05-30 2018-05-30 Connector suitable for solar energy thermal-power-generating device

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Application Number Priority Date Filing Date Title
CN201810537752.XA CN108645063A (en) 2018-05-30 2018-05-30 Connector suitable for solar energy thermal-power-generating device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076479A (en) * 2022-06-15 2022-09-20 中国科学院上海应用物理研究所 Flange self-sealing device for high-temperature molten salt environment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008063601A (en) * 2006-09-05 2008-03-21 Nippon Steel Corp Piping for molten salt and heat treatment method
CN102032824A (en) * 2010-12-06 2011-04-27 东莞理工学院 High-temperature molten salt single-tank thermal energy storage device with movable separation plate and use method thereof
US20150377515A1 (en) * 2014-06-25 2015-12-31 Longview Global Enterprises, Inc. All-polymer flat plate heating solar panel with integrated controller
CN207146954U (en) * 2017-09-15 2018-03-27 四川东方聚源科技有限公司 A kind of trough type solar power generation thermal-collecting tube and heat transfer medium main pipe attachment means
CN208253010U (en) * 2018-05-30 2018-12-18 四川东方聚源科技有限公司 A kind of connector of solar power generation pipeline connection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008063601A (en) * 2006-09-05 2008-03-21 Nippon Steel Corp Piping for molten salt and heat treatment method
CN102032824A (en) * 2010-12-06 2011-04-27 东莞理工学院 High-temperature molten salt single-tank thermal energy storage device with movable separation plate and use method thereof
US20150377515A1 (en) * 2014-06-25 2015-12-31 Longview Global Enterprises, Inc. All-polymer flat plate heating solar panel with integrated controller
CN207146954U (en) * 2017-09-15 2018-03-27 四川东方聚源科技有限公司 A kind of trough type solar power generation thermal-collecting tube and heat transfer medium main pipe attachment means
CN208253010U (en) * 2018-05-30 2018-12-18 四川东方聚源科技有限公司 A kind of connector of solar power generation pipeline connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076479A (en) * 2022-06-15 2022-09-20 中国科学院上海应用物理研究所 Flange self-sealing device for high-temperature molten salt environment
CN115076479B (en) * 2022-06-15 2023-09-19 中国科学院上海应用物理研究所 Flange self-sealing device for high-temperature molten salt environment

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