CN208154856U - A kind of three hot composite volume formula solar heat absorbers - Google Patents

A kind of three hot composite volume formula solar heat absorbers Download PDF

Info

Publication number
CN208154856U
CN208154856U CN201820175498.9U CN201820175498U CN208154856U CN 208154856 U CN208154856 U CN 208154856U CN 201820175498 U CN201820175498 U CN 201820175498U CN 208154856 U CN208154856 U CN 208154856U
Authority
CN
China
Prior art keywords
temperature
pipe
low
medium
high temperature
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.)
Expired - Fee Related
Application number
CN201820175498.9U
Other languages
Chinese (zh)
Inventor
龙新峰
李钰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201820175498.9U priority Critical patent/CN208154856U/en
Application granted granted Critical
Publication of CN208154856U publication Critical patent/CN208154856U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a kind of three hot composite volume formula solar heat absorbers, and mainly the optical window made of shell, calcirm-fluoride, cold pipe, high temperature coil pipe, medium temperature coil pipe, low-temperature coil, multiple fins, high temperature efferent duct, medium temperature efferent duct and low temperature efferent duct are constituted.Fin leads to supercooling tube and is installed in shell, and high temperature coil pipe, medium temperature coil pipe and low-temperature coil are mounted on fin, and high temperature coil pipe, medium temperature coil pipe and low-temperature coil are sequentially distributed from the direction far from optical window, the cold liquid being then located in high temperature coil pipe, medium temperature coil pipe and low-temperature coil can absorb different heats, to obtain the fluid of three kinds of different temperatures, for follow-up equipment use.High temperature coil pipe, medium temperature coil pipe, low-temperature coil and fin form labyrinth effect in shell simultaneously, make to be not easy to reflect away into the intracorporal sunlight of shell, reduce radiation heat loss and convection current heat waste, guarantee that solar energy is fully absorbed.

Description

A kind of three hot composite volume formula solar heat absorbers
Technical field
The utility model relates to solar heat absorber technologies, and in particular to a kind of three hot composite volume formula solar energy heat absorbings Device.
Background technique
The energy is the power of social development progress, and tellurian fossil energy is constantly reduced now, and the mankind are to the energy Demand is higher and higher.To cope with the energy shortage that gets worse and problem of environmental pollution, the mankind will develop sight steering to can In the development and utilization of the renewable sources of energy.Take " energy, environment, development " as the theme in epoch, scientifically and rationally develops and utilizes new The energy safeguards that the sustainable development of ecological environment security and human society has become the new trend that using energy source develops.
Solar energy is increasingly subject to people as a kind of cleaning, pollution-free, widely distributed and low-cost renewable energy Concern.It mainly include at present three kinds of photothermal conversion, photoelectric conversion and Photochemical convertion sides for the method for Solar use Formula.Wherein, the photothermal conversion of solar energy is that the solar radiation of low temperature is carried out high power aggregation by solar condenser, is formed high The radiant heat energy of heat flow density, then high concentration ratio solar radiation is converted to by high temperature heat by high temperature heat conversion equipment.Too The high temperature heat utilization of positive energy is one of the trend of solar energy heat utilization technology development, and solar energy high temperature switch technology is related to spectrum A variety of physical process coupled problems such as heat radiation, thermally conductive, convection current in energy accumulating and transmission, high density energy conversion equipment are The forward position in world solar energy research field at present.Sunlight is assembled using condenser, by solar heat absorber solar energy It is transmitted to heat-exchange working medium, can realize that solar pond heat generates electricity eventually by thermodynamic device.Solar heat power generation system mainly includes Non-focusing formula and focusing two major classes, wherein non-focusing formula system mainly has solar heat air-flow power generation and the power generation of solar pond heat Two kinds, focusing system is divided into slot type, tower and three kinds of dish-style according to the difference of solar concentrator used.Wherein, dish-style is too Positive energy condenser is mainly made of rotational paraboloid mirror, heat dump, tracking device and heat to power output device, rating of set It is smaller, it is applicable to distributed energy resource system.Solar heat absorber is the thermal energy that the solar energy of aggregation is converted into heat-exchange working medium, The height of its heat absorption efficiency is an important factor for influencing solar power system capacity usage ratio.Solar heat absorber partial volume formula With surface-type two types, wherein positive displacement heat dump substantially increases heat exchange area using porous material as heat-exchange working medium, Have many advantages, such as that light weight, heat exchange efficiency are high.
On the basis of Carnot cycle, controlled medium continues a period of time after being heated to saturated vapor for Rankine cycle Heating, reaches overheat, is re-fed into steam turbine acting.After working medium is cooled to saturated-water phase in condenser simultaneously, slightly Microlitre pressure preheating, then send back to heater heating.Working medium can constantly be absorbed heat in heat power equipment, be expanded, heat release, compression etc. Four processes make thermal energy mechanical energy.
Common optical window, which prepares material, BK7Glass, ultraviolet-grade fused silica, infrared grade calcirm-fluoride etc., it is blue according to being permitted The research of cloud etc. can be prepared using Bridgman-Stockbarger method and be reached within the scope of infrared band transmitance and be greater than 90% and more stable, Within the scope of ultraviolet-middle infrared band, the CaF of variations in refractive index rate very little2Crystal, light reflection loss are less.
In general, solar heat absorber is many kinds of at present, but photothermal conversion efficiency is not high, and manufacturing process is complicated, Higher cost, large-scale production are not popularized also, not can be carried out large-scale application.How solar energy conversion process heat waste is reduced, it is real Existing solar energy highly effective storage and the extensive use of hot generation technology are the key that current solar energy thermal-power-generating technology development, research.
Utility model content
The purpose of this utility model is to overcome above the shortcomings of the prior art, provide the three compound appearance of heat of one kind Product formula solar heat absorber.This three hot composite volume formula solar heat absorber makes light be not easy to reflect away production, is conducive to sufficiently Absorb solar energy.
The purpose of this utility model is realized by the following technical solution:This three hot composite volume formula solar heat absorber, It is defeated including optical window made of shell, calcirm-fluoride, cold pipe, high temperature coil pipe, medium temperature coil pipe, low-temperature coil, multiple fins, high temperature Outlet pipe, medium temperature efferent duct and low temperature efferent duct;The optical window is installed on one end of shell, in the cold pipe mounting shell body, And one end of the cold pipe is stretched out on the outside of one end of shell;Multiple fins are fixed on the outer wall of cold pipe, and multiple fins relative to The circumference of cold pipe is distributed, multiple fins are respectively positioned in shell;The high temperature coil pipe, medium temperature coil pipe and low-temperature coil are pacified Loaded on fin, and the high temperature coil pipe, medium temperature coil pipe and low-temperature coil are certainly far from the directional spreding of optical window;The high Winchester disk One end of pipe is connect by high-temperature shunt with cold pipe, and the other end of the high temperature coil pipe is exported by high temperature junction station and high temperature One end of pipe connects, the flow direction of medium distribution of the high-temperature shunt and high temperature junction station in cold pipe;The middle Winchester disk One end of pipe is connect by medium temperature current divider with cold pipe, and the other end of the medium temperature coil pipe is exported by medium temperature junction station and medium temperature One end of pipe connects, the flow direction of medium distribution of the medium temperature current divider and medium temperature junction station in cold pipe;The low temperature disk One end of pipe is connect by low temperature current divider with cold pipe, and the other end of the low-temperature coil is exported by low temperature junction station and low temperature One end of pipe connects, the flow direction of medium distribution of the low temperature current divider and low temperature junction station in cold pipe;The high temperature is defeated The other end of the other end of outlet pipe, the other end of medium temperature efferent duct and low temperature efferent duct stretches out the other end of shell;The shell The inner wall of body, the outer surface of fin, the outer surface of high temperature coil pipe, the outer surface of the outer surface of medium temperature coil pipe and low-temperature coil are equal Equipped with the dope layer for absorbing solar energy.
Preferably, the shell has double-layer structure, and heat-insulating material is filled between the internal layer and outer layer of the shell.
Preferably, the shell includes two symmetrical half shells, this two half shells are bolted.
Preferably, the cold pipe includes bent portion and straight sections, and one end of the bent portion is stretched out outside one end of shell then, The other end of the bent portion is connect with straight sections, and the axis of this straight sections and the central axis of shell are located along the same line, institute State the center that optical window is installed on shell one end.
Preferably, the dope layer is made of phthalocyanine green and iron copper composite oxides.
Preferably, the other end face of the cold pipe is enclosed construction, and the end face of the other end of the cold pipe and its phase Pair the distance between the inner wall of shell be greater than or equal to 50mm.
Preferably, the three hot composite volume formula solar heat absorbers further include ring-shaped bearing, the ring-shaped bearing The connection of the inner wall of outer end curved surface and shell, the center of the ring-shaped bearing is connect with cold pipe.
Preferably, the outer wall of the cold pipe is equipped with high temperature branch pipe, and the high-temperature shunt is annular in shape, and the high temperature shunts The inside of device is equipped with and the matched high temperature inlet of high temperature branch pipe;The high-temperature shunt is socketed on cold pipe, and the high temperature branch pipe It is connect with high temperature inlet;The right of the high temperature branch pipe is then equipped with first high temperature open equal with high temperature coil pipe quantity, this first High temperature open is connect with one end of high temperature coil pipe;
Preferably, the high temperature junction station is annular in shape, and the left side of the high temperature junction station is equipped with and high temperature coil pipe quantity The second equal high temperature open, this second high temperature open are connect with the other end of high temperature coil pipe, the right side of the high temperature junction station It is connect with high temperature efferent duct.
Preferably, the outer wall of the cold pipe is equipped with medium temperature branch pipe, and the medium temperature current divider is annular in shape, and the medium temperature shunts The inside of device is equipped with and the matched medium temperature entrance of medium temperature branch pipe;The medium temperature current divider is socketed on cold pipe, and the medium temperature branch pipe It is connect with medium temperature entrance;The right of the medium temperature branch pipe is then equipped with the first medium temperature opening equal with medium temperature coil pipe quantity, this first Medium temperature opening is connect with one end of medium temperature coil pipe;
Preferably, the medium temperature junction station is annular in shape, and the left side of the medium temperature junction station is equipped with and medium temperature coil pipe quantity Equal the second medium temperature opening, this second medium temperature opening are connect with the other end of medium temperature coil pipe, the right side of the medium temperature junction station It is connect with medium temperature efferent duct.
Preferably, the outer wall of the cold pipe is equipped with low temperature branch pipe, and the low temperature current divider is annular in shape, and the low temperature shunts The inside of device is equipped with and the matched low-temperature inlet of low temperature branch pipe;The low temperature current divider is socketed on cold pipe, and the low temperature branch pipe It is connect with low-temperature inlet;The right of the low temperature branch pipe is then equipped with the first low temperature opening equal with low-temperature coil quantity, this first Low temperature opening is connect with one end of low-temperature coil;
Preferably, the low temperature junction station is annular in shape, and the left side of the low temperature junction station is equipped with and low-temperature coil quantity Equal the second low temperature opening, this second low temperature opening are connect with the other end of low-temperature coil, the right side of the low temperature junction station It is connect with low temperature efferent duct.
The utility model has the following advantages compared with the existing technology:
1, light captures and transmission ability is strong.The optical window of the utility model is made of calcirm-fluoride, is had stronger Spectral selection and permeability have the light for occupying 0.3~3 μm of wave band that solar spectrum gross energy is up to 95% or more 90% or more transmitance, it is minimum to the spectral transmittance of 3 μm of above band, reduce radiation heat loss and the convection current of heat-exchanger rig Heat waste.
2, radiation heat loss and convection current heat waste are small.The utility model only has an optical window and directly communicates with the external world, internal empty Gas does not carry out convection current with the external world.After so that incident ray is entered cavity, easily it is coated on heat dump inner wall and finned coil component The dope layer made of phthalocyanine green and iron copper composite oxides absorbs, coil pipe (i.e. high temperature coil pipe, medium temperature coil pipe and low-temperature coil) It is installed in shell by fin, so that the light of enclosure interior generates a kind of labyrinth effect, makes light be not easy to reflect away, then Solar energy is fully absorbed by dope layer.
3, small by shell conductive heat loss.Shell is the double-deck steel hollow structure, inside and outside shell interlayer with heat-insulating material (i.e. Glass fibre, asbestos and rock wool etc.) it is filled, substantially reduce the total thermal coefficient of shell.
4, heat dump internal heat exchange ability is strong.The utility model coil pipe (i.e. high temperature coil pipe, medium temperature coil pipe and low temperature disk Pipe), augmentation of heat transfer big with fin contacts area, it ensure that effective exchange of heat.
5, shell is readily disassembled and assembles.The double-deck steel shell is bolted by upper and lower two parts heat dump shell, Bolt connecting place has rubber ring seal, and disassembly and assembly is simple and convenient.The finned coil modular construction of heat dump is symmetrical, convenient It production, modularization assembling and requires to amplify its specification, reduce according to different operating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the three hot composite volume formula solar heat absorbers of the utility model.
Fig. 2 is the first visual angle cross-sectional view of the three hot composite volume formula solar heat absorbers of the utility model.
Fig. 3 is the side view of the three hot composite volume formula solar heat absorbers of the utility model.
Fig. 4 is the second visual angle cross-sectional view of the three hot composite volume formula solar heat absorbers of the utility model.
Fig. 5 is the structural schematic diagram of each component in inside of the shell of the utility model.
Fig. 6 is the front view of each component in inside of the shell of the utility model.
Fig. 7 is the structural schematic diagram of the cold pipe of the utility model.
Fig. 8 is the front view of the fin of the utility model.
Fig. 9 is the front view of the high-temperature shunt of the utility model.
Figure 10 is the front view of the high temperature junction station of the utility model.
Figure 11 is the structural schematic diagram that the utility model high temperature junction station is installed on cold pipe.
Figure 12 is the front view of the medium temperature current divider of the utility model.
Figure 13 is the front view of the medium temperature junction station of the utility model.
Figure 14 is the structural schematic diagram that the utility model medium temperature junction station is installed on cold pipe.
Figure 15 is the front view of the low temperature current divider of the utility model.
Figure 16 is the front view of the low temperature junction station of the utility model.
Figure 17 is the structural schematic diagram that the utility model low temperature junction station is installed on cold pipe.
Wherein, 1 is shell, and 1-1 is half shell, and 1-2 is heat-insulating material, and 2 be optical window, and 3 be cold pipe, and 3-1 is bending Portion, 3-2 are straight sections, and 4 be high temperature coil pipe, and 5 be medium temperature coil pipe, and 6 be low-temperature coil, and 7 be fin, and 7-1 is high temperature fin, 7-2 For medium temperature fin, 7-3 is low temperature fin, and 8 be high temperature efferent duct, and 9 be medium temperature efferent duct, and 10 be low temperature efferent duct, and 11 be high temperature Current divider, 12 are high temperature junction station, and 13 be medium temperature current divider, and 14 be medium temperature junction station, and 15 be low temperature current divider, and 16 converge for low temperature Device is flowed, 17 be bolt, and 18 be ring-shaped bearing, and 19 be high temperature branch pipe, and 20 be high temperature inlet, and 21 be the first high temperature open, and 22 be the Two high temperature opens, 23 be medium temperature branch pipe, and 24 be medium temperature entrance, and 25 are open for the first medium temperature, and 26 are open for the second medium temperature, and 27 be low Warm branch pipe, 28 low-temperature inlets, 29 are open for the first low temperature, and 30 are open for the second low temperature, and 31 be groove, and 32 be bumping post, and 33 be card Hole, 34 be through-hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
The hot composite volume formula solar heat absorber of as shown in Figures 1 to 6 three, including optics made of shell, calcirm-fluoride Window, cold pipe, high temperature coil pipe, medium temperature coil pipe, low-temperature coil, multiple fins, high temperature efferent duct, medium temperature efferent duct and low temperature output Pipe;The optical window is installed on one end of shell, and in the cold pipe mounting shell body, and shell is stretched out in one end of the cold pipe On the outside of one end;Multiple fins are fixed on the outer wall of cold pipe, and multiple fins are distributed relative to the circumference of cold pipe, multiple wings Piece is respectively positioned in shell;The high temperature coil pipe, medium temperature coil pipe and low-temperature coil are mounted on fin, and the high temperature coil pipe, in Winchester disk pipe and low-temperature coil are certainly far from the directional spreding of optical window;One end of the high temperature coil pipe by high-temperature shunt with it is cold The other end of pipe connection, the high temperature coil pipe is connect by high temperature junction station with one end of high temperature efferent duct, and the high temperature shunts The flow direction of medium distribution of device and high temperature junction station in cold pipe;One end of the medium temperature coil pipe by medium temperature current divider with it is cold The other end of pipe connection, the medium temperature coil pipe is connect by medium temperature junction station with one end of medium temperature efferent duct, and the medium temperature shunts The flow direction of medium distribution of device and medium temperature junction station in cold pipe;One end of the low-temperature coil by low temperature current divider with it is cold The other end of pipe connection, the low-temperature coil is connect by low temperature junction station with one end of low temperature efferent duct, and the low temperature shunts The flow direction of medium distribution of device and low temperature junction station in cold pipe;The other end of the high temperature efferent duct, medium temperature efferent duct The other end of the other end and low temperature efferent duct stretches out the other end of shell;The inner wall of the shell, the outer surface of fin, height Outer surface, the outer surface of medium temperature coil pipe and the outer surface of low-temperature coil of Winchester disk pipe are equipped with the coating for absorbing solar energy Layer.
Specifically, as shown in Figure 5 and Figure 6, the quantity of fin has 6, central axis circle of this 6 fins relative to cold pipe Week is uniformly distributed.Every fin includes high temperature fin, medium temperature fin and low temperature fin, and every two high temperature coil pipes are installed on every height The two sides of warm fin, every two medium temperature fins are installed on the two sides of every medium temperature fin, and every two low-temperature coils are installed on The two sides of every low temperature fin, structure is simple, facilitates installation.Fin and coil pipe (i.e. high temperature coil pipe, medium temperature coil pipe and low temperature disk Pipe) be mounted in shell and form labyrinth effect, so as to be reflected away into the intracorporal light of shell is more difficult, thus by coating Layer fully absorbs.Fin is made of nickel alloy, guarantees the transmission effect of heat, and fin is also made to have lightweight, high specific strength, subtract Vibration, absorbs a variety of physical properties such as impact energy, electromagnetic shielding at heat dissipation, promotes effective exchange of heat.And coil pipe (high temperature coil pipe, Medium temperature coil pipe and low-temperature coil) it is made of brass.As shown in figure 8, the outer wall of coil pipe is suppressed, and the side of fin is set The groove with coil pipe form fit is set, then when coil pipe is mounted on groove, the contact surface between coil pipe and fin increases, further benefit Heat is absorbed in the cold liquid in coil pipe.
The shell has double-layer structure, and heat-insulating material is filled between the internal layer and outer layer of the shell.This setting The thermal coefficient for reducing shell reduces the heat loss of enclosure interior.Wherein heat-insulating material can be glass fibre, asbestos, rock Any one in cotton and silicate.Entire shell divides high-temperature region portion, middle warm area portion and low-temperature space portion along its axis direction, described High-temperature region portion and low-temperature space portion are individually fixed in the both ends in middle warm area portion, and the high-temperature region portion and low-temperature space portion are in truncated cone-shaped, The middle warm area portion is cylindrical, and the optical window is installed on the one end in high-temperature region portion.
Shell includes two symmetrical half shells as described in the road Tu2He Liangtiao 4, this two half shells are bolted. The assembling for facilitating shell is arranged in this.
The cold pipe includes bent portion and straight sections, and one end of the bent portion is stretched out outside one end of shell then, described curved The other end of pipe portion is connect with straight sections, and the axis of this straight sections and the central axis of shell are located along the same line, the optics Window is installed on the center of shell one end.This structure avoids the installation of cold pipe from affecting optical window.And optical window is installed on Center, this guarantees that light enters the uniformity of housing cavity.
The dope layer is made of phthalocyanine green and iron copper composite oxides.In general, iron copper composite oxides and phthalocyanine green Mixing:Fe3CuO5It is molten with ethyl acetate, ethyl acetate and xylene mixture using acrylic resin as adhesive for pigment Agent, using multiple spray coating method, coating layer thickness is no more than 3 μm on steel plate ground.The solar absorptance of the coating be 0.94~ 0.96, emissivity ratio is 0.37~0.39.
The other end face of the cold pipe is enclosed construction, and the shell of the end face of the other end of the cold pipe corresponding thereto The distance between inner wall be greater than or equal to 50mm.
Described three are hot, and composite volume formula solar heat absorber further includes ring-shaped bearing, the outer end curved surface of the ring-shaped bearing It is connect with the inner wall of shell, the center of the ring-shaped bearing is connect with cold pipe, it ensure that the stability of fin installation.
As shown in Fig. 9 to Figure 17, the outer wall of the cold pipe is equipped with high temperature branch pipe, and the high-temperature shunt is annular in shape, institute The inside for stating high-temperature shunt is equipped with and the matched high temperature inlet of high temperature branch pipe;The high-temperature shunt is socketed on cold pipe, and institute High temperature branch pipe is stated to connect with high temperature inlet;The right of the high temperature branch pipe is then opened equipped with first high temperature equal with high temperature coil pipe quantity Mouthful, this first high temperature open is connect with one end of high temperature coil pipe;The high temperature junction station is annular in shape, the high temperature junction station Left side is equipped with second high temperature open equal with high temperature coil pipe quantity, the other end company of this second high temperature open and high temperature coil pipe It connects, the right side of the high temperature junction station is connect with high temperature efferent duct.The outer wall of the cold pipe is equipped with medium temperature branch pipe, the medium temperature point Stream device is annular in shape, and the inside of the medium temperature current divider is equipped with and the matched medium temperature entrance of medium temperature branch pipe;The medium temperature current divider It is socketed on cold pipe, and the medium temperature branch pipe is connect with medium temperature entrance;The right of the medium temperature branch pipe is then equipped with and medium temperature coil pipe quantity Equal the first medium temperature opening, this first medium temperature opening are connect with one end of medium temperature coil pipe;The medium temperature junction station is annular in shape, The left side of the medium temperature junction station is equipped with second medium temperature equal with medium temperature coil pipe quantity and is open, this second medium temperature opening and medium temperature The other end of coil pipe connects, and the right side of the medium temperature junction station is connect with medium temperature efferent duct.The outer wall of the cold pipe is equipped with low temperature Branch pipe, the low temperature current divider is annular in shape, and the inside of the low temperature current divider is equipped with and the matched low-temperature inlet of low temperature branch pipe; The low temperature current divider is socketed on cold pipe, and the low temperature branch pipe is connect with low-temperature inlet;The right side of the low temperature branch pipe is then equipped with The first low temperature opening equal with low-temperature coil quantity, this first low temperature opening are connect with one end of low-temperature coil;The low temperature Junction station is annular in shape, and the left side of the low temperature junction station is equipped with second low temperature equal with low-temperature coil quantity and is open, this Two low temperature opening is connect with the other end of low-temperature coil, and the right side of the low temperature junction station is connect with low temperature efferent duct.This structure Simply, easy for installation.Meanwhile stability when installation in order to guarantee high temperature junction station, medium temperature junction station and low temperature junction station, It is equipped with bumping post in the outer wall of cold pipe, and is equipped with and bumping post in the inside of high temperature junction station, medium temperature junction station and low temperature junction station The card hole matched.Simultaneously in order to guarantee overall compactness, converge in medium temperature current divider, medium temperature junction station, low temperature current divider and low temperature Device is equipped with the through-hole passed through by efferent duct (i.e. high temperature efferent duct, medium temperature efferent duct).
The course of work of this three hot composite volume formula solar heat absorber is as described below:
After sunlight is accumulated, entered in heat absorber cavity by optical window, since optical window uses spectral selection It hinders it to leave cavity after reflection with the stronger calcirm-fluoride of permeability, makes 90% or more sunlight by heat dump shell The dope layer of wall, fin and the coating of coil pipe (i.e. high temperature coil pipe, medium temperature coil pipe and low-temperature coil) surface is absorbed, these coating Layer absorbs sunlight and generates heat, and transfers heat to coil pipe.Because high temperature coil pipe, medium temperature coil pipe and low-temperature coil are from optical window The distance of mouth is different, then high temperature coil pipe, medium temperature coil pipe and the received heat of low-temperature coil institute are different.Apart from optical window The close high temperature coil pipe of mouth can receive more heat, and medium temperature coil pipe and low-temperature coil are successively reduced.
After cold liquid enters cold pipe, then high Winchester disk respectively enterd by high-temperature shunt, medium temperature current divider and low temperature current divider Pipe, medium temperature coil pipe and low-temperature coil, to absorb different heats.It is then cold in high temperature coil pipe, medium temperature coil pipe and low-temperature coil Liquid absorbs different heats, so that cold liquid be made to be converted into the fluids of three kinds of different temperatures.The fluid generated in high temperature coil pipe is from height Warm efferent duct outflow, and the fluid generated in medium temperature coil pipe is flowed out from medium temperature efferent duct, and the fluid generated in low-temperature coil from Low-temperature coil outflow.
The fluid of these three different temperatures passes through high temperature efferent duct, medium temperature efferent duct and low temperature efferent duct respectively and is conveyed to three Kind steam turbine solar heat power generation system.This heat dump carries out absorption solar energy by the intracorporal dope layer of shell, absorbs Rate is high.
There is following benefit using this three hot composite volume formula solar heat absorber:
High, medium and low three kinds of temperature liquids of different temperatures, obtained high temperature fluid can be obtained by solar energy heating It can be effectively used to and solve current China because heat demand is continuously increased, and supply heat supply gap problem caused by wretched insufficiency. For being configured with about 50000m2Dish-style paraboloidal mirror field, can be completed in one day 5~6h solar energy to working medium thermal energy turn It changes, is used for three kinds of steam turbine solar heat power generation systems, the normal operation of 100MW generating set can be maintained for 24 hours.
Both solar energy resources are made full use of, realize the rational exploitation and use of solar energy, and can realize the step benefit of thermal energy With improving the level of comprehensive utilization of solar energy, reduce Energy Consumption Cost, improve economic results in society, meet " energy-saving And environmental emission reduction " requirement.According to the course of work of three hot composite volume formula solar heat absorbers, converted according to annual heat dump Hot total amount obtained by solar energy continues work by energy storage for three kinds of steam turbine solar heat power generation systems for generating set Make to calculate for 100 days, compared to the thermal power generation unit of current China 100MW, CO can be effectively reduced2About 20000 tons/year of discharge.
Above-mentioned specific embodiment is the preferred embodiment of the utility model, can not be defined to the utility model, Other any changes made without departing from the technical solution of the utility model or other equivalent substitute modes, are included in Within the protection scope of the utility model.

Claims (10)

1. a kind of three hot composite volume formula solar heat absorbers, it is characterised in that:Including optical window made of shell, calcirm-fluoride Mouth, cold pipe, high temperature coil pipe, medium temperature coil pipe, low-temperature coil, multiple fins, high temperature efferent duct, medium temperature efferent duct and low temperature output Pipe;The optical window is installed on one end of shell, and in the cold pipe mounting shell body, and shell is stretched out in one end of the cold pipe On the outside of one end;Multiple fins are fixed on the outer wall of cold pipe, and multiple fins are distributed relative to the circumference of cold pipe, multiple wings Piece is respectively positioned in shell;The high temperature coil pipe, medium temperature coil pipe and low-temperature coil are mounted on fin, and the high temperature coil pipe, in Winchester disk pipe and low-temperature coil are certainly far from the directional spreding of optical window;One end of the high temperature coil pipe by high-temperature shunt with it is cold The other end of pipe connection, the high temperature coil pipe is connect by high temperature junction station with one end of high temperature efferent duct, and the high temperature shunts The flow direction of medium distribution of device and high temperature junction station in cold pipe;One end of the medium temperature coil pipe by medium temperature current divider with it is cold The other end of pipe connection, the medium temperature coil pipe is connect by medium temperature junction station with one end of medium temperature efferent duct, and the medium temperature shunts The flow direction of medium distribution of device and medium temperature junction station in cold pipe;One end of the low-temperature coil by low temperature current divider with it is cold The other end of pipe connection, the low-temperature coil is connect by low temperature junction station with one end of low temperature efferent duct, and the low temperature shunts The flow direction of medium distribution of device and low temperature junction station in cold pipe;The other end of the high temperature efferent duct, medium temperature efferent duct The other end of the other end and low temperature efferent duct stretches out the other end of shell;The inner wall of the shell, the outer surface of fin, height Outer surface, the outer surface of medium temperature coil pipe and the outer surface of low-temperature coil of Winchester disk pipe are equipped with the coating for absorbing solar energy Layer.
2. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The shell has double Layer structure, and heat-insulating material is filled between the internal layer and outer layer of the shell.
3. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The shell includes two A symmetrical half shell, this two half shells are bolted.
4. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The cold pipe includes curved Pipe portion and straight sections, one end of the bent portion are stretched out outside one end of shell then, and the other end and straight sections of the bent portion connect It connects, the axis of this straight sections and the central axis of shell are located along the same line, and the optical window is installed in shell one end The heart.
5. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The dope layer is by phthalein Cyanines are green and iron copper composite oxides are made.
6. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The cold pipe it is another End end face be enclosed construction, and the distance between the inner wall of shell of the end face of the other end of the cold pipe corresponding thereto be greater than or Equal to 50mm.
7. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:It further include annular branch It holds, the outer end curved surface of the ring-shaped bearing and the inner wall of shell connect, and the center of the ring-shaped bearing is connect with cold pipe.
8. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The outer wall of the cold pipe Equipped with high temperature branch pipe, the high-temperature shunt is annular in shape, and the inside of the high-temperature shunt is equipped with matched with high temperature branch pipe High temperature inlet;The high-temperature shunt is socketed on cold pipe, and the high temperature branch pipe is connect with high temperature inlet;The high temperature branch pipe Right then be equipped with first high temperature open equal with high temperature coil pipe quantity, this first high temperature open connect with one end of high temperature coil pipe;
The high temperature junction station is annular in shape, and it is high that the left side of the high temperature junction station is equipped with second equal with high temperature coil pipe quantity Temperature opening, this second high temperature open are connect with the other end of high temperature coil pipe, the right side of the high temperature junction station and high temperature efferent duct Connection.
9. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:The outer wall of the cold pipe Equipped with medium temperature branch pipe, the medium temperature current divider is annular in shape, and the inside of the medium temperature current divider is equipped with matched with medium temperature branch pipe Medium temperature entrance;The medium temperature current divider is socketed on cold pipe, and the medium temperature branch pipe is connect with medium temperature entrance;The medium temperature branch pipe Right then be equipped with first medium temperature equal with medium temperature coil pipe quantity and be open, this first medium temperature opening is connect with one end of medium temperature coil pipe;
The medium temperature junction station is annular in shape, and the left side of the medium temperature junction station is equipped in equal with medium temperature coil pipe quantity second Temperature opening, this second medium temperature opening are connect with the other end of medium temperature coil pipe, the right side of the medium temperature junction station and medium temperature efferent duct Connection.
10. three hot composite volume formula solar heat absorber according to claim 1, it is characterised in that:Outside the cold pipe Wall is equipped with low temperature branch pipe, and the low temperature current divider is annular in shape, and the inside of the low temperature current divider is equipped with to be matched with low temperature branch pipe Low-temperature inlet;The low temperature current divider is socketed on cold pipe, and the low temperature branch pipe is connect with low-temperature inlet;The low temperature branch pipe It is right be then equipped with first low temperature equal with low-temperature coil quantity and be open, this first low temperature opening and one end of low-temperature coil connect It connects;
The low temperature junction station is annular in shape, and it is low that the left side of the low temperature junction station is equipped with second equal with low-temperature coil quantity Temperature opening, this second low temperature opening are connect with the other end of low-temperature coil, the right side of the low temperature junction station and low temperature efferent duct Connection.
CN201820175498.9U 2018-01-31 2018-01-31 A kind of three hot composite volume formula solar heat absorbers Expired - Fee Related CN208154856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820175498.9U CN208154856U (en) 2018-01-31 2018-01-31 A kind of three hot composite volume formula solar heat absorbers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820175498.9U CN208154856U (en) 2018-01-31 2018-01-31 A kind of three hot composite volume formula solar heat absorbers

Publications (1)

Publication Number Publication Date
CN208154856U true CN208154856U (en) 2018-11-27

Family

ID=64382103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820175498.9U Expired - Fee Related CN208154856U (en) 2018-01-31 2018-01-31 A kind of three hot composite volume formula solar heat absorbers

Country Status (1)

Country Link
CN (1) CN208154856U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180660A (en) * 2018-01-31 2018-06-19 华南理工大学 A kind of three hot composite volume formula solar heat absorbers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180660A (en) * 2018-01-31 2018-06-19 华南理工大学 A kind of three hot composite volume formula solar heat absorbers
CN108180660B (en) * 2018-01-31 2024-05-10 华南理工大学 Three-heat composite positive displacement solar heat absorber

Similar Documents

Publication Publication Date Title
CN208380764U (en) A kind of Bretton solar-thermal generating system of the improvement based on slot type heliostat
CN103225900B (en) Based on the pressure-bearing type solar heat collector of groove type parabolic mirror
CN104567026B (en) Solar thermal collector and method for converting solar energy into mesothermal heat energy by utilizing same
CN102635462B (en) Heat storage temperature control device of solar disc-type Sterling engine
CN205047262U (en) Super supercritical carbon dioxide power generation system based on secondary reflection spotlight heat absorption technique
CN101408350A (en) Coaxial sleeve tube U type thermal-collecting tube
CN101275785A (en) High temperature hot pipe center receiver for tower type solar energy heat power generation
CN201973915U (en) U-shaped passage combined heat pipe receiver
CN105066479B (en) Compound cavity-type solar absorber
CN103968564B (en) A kind of flat-plate concentration type solar water-free case water heater
CN103629829A (en) Stirling heat engine solar heat collector
CN107084102A (en) It is a kind of using carbon dioxide as heat accumulation and do work working medium groove type solar solar-thermal generating system
CN103017397B (en) Medium-high temperature solar steam-absorption refrigeration-seawater desalination-energy storage coupling system
CN102207344A (en) Bimirror focusing solar refrigeration device
CN101706094A (en) Coaxial sleeve pipe type and groove type solar heat collection pipe module of single-layer glass pipe
CN208154856U (en) A kind of three hot composite volume formula solar heat absorbers
CN206875566U (en) A kind of solar energy assisted gas power plant heating system
CN209639285U (en) A kind of dish-style power generator based on V-type heat absorption wall cavity-type solar absorber
CN108180660A (en) A kind of three hot composite volume formula solar heat absorbers
CN206572784U (en) A kind of built-in solar energy collecting tubes of heat dump
CN203274289U (en) Pressure-bearing type solar thermal collector based on groove type parabolic reflector
CN201615466U (en) Coaxial sleeve groove type solar energy heat collecting pipe module of single-layered glass pipe
CN103104995B (en) Novel solar thermal collector
CN205425478U (en) Compound cavate solar
CN201318814Y (en) Coaxial telescoping U-shaped thermal collecting tube

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181127

Termination date: 20220131

CF01 Termination of patent right due to non-payment of annual fee