CN210320708U - Medium-energy photo-thermal efficient comprehensive utilization system - Google Patents
Medium-energy photo-thermal efficient comprehensive utilization system Download PDFInfo
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- CN210320708U CN210320708U CN201920952399.1U CN201920952399U CN210320708U CN 210320708 U CN210320708 U CN 210320708U CN 201920952399 U CN201920952399 U CN 201920952399U CN 210320708 U CN210320708 U CN 210320708U
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses high-efficient comprehensive utilization system of intermediate energy light and heat relates to a system that is arranged in can effectively utilizing low temperature solar energy. The purpose is in order to provide a can high-efficient comprehensive utilization system of intermediate energy light and heat that can high-efficient comprehensive utilization solar energy, effectively reduction in production cost, system stability are higher. The intermediate-energy photo-thermal efficient comprehensive utilization system comprises a solar light-gathering and heat-collecting device, a heat storage system and an energy utilization system, wherein the solar light-gathering and heat-collecting device comprises a shell-type double-shaft tracking system, a reflector and a light-gathering and heat-collecting tube, the reflector and the light-gathering and heat-collecting tube are both arranged on the shell-type double-shaft tracking system, the reflector and the light-gathering and heat-collecting tube synchronously rotate, a secondary light-gathering element and a light-gathering chip battery are arranged on a battery base in the light-gathering and; the heat storage system comprises a heat storage pool, and the heat storage pool comprises one or more water pools; the energy utilization system is one or more of a low-temperature power generation system, a refrigeration system, a user heating system and a steam supply system.
Description
Technical Field
The utility model relates to an energy utilization technical field especially relates to a can effectively utilize the high-efficient comprehensive utilization system of medium and low temperature solar energy's medium and hot.
Background
Solar energy is an inexhaustible natural resource, and has a wide prospect in market application. At present, solar energy is mainly used for power generation, and the solar power generation is mainly divided into photo-thermal power generation and photovoltaic power generation. Solar power generation is generally referred to as solar photovoltaic power generation, referred to as "photovoltaic". Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface.
The traditional photo-thermal technology mostly adopts medium-high temperature solar energy for heat collection, has higher requirements on materials and processes, and has higher requirements on the high temperature resistance of equipment and materials due to high temperature. And the difficulty of system design is increased. The processes and materials that can be selected also become limited. In addition, the most fundamental is that the cost is high, and the cost is difficult to reduce so as to popularize the market. The high cost of the early investment also causes that enterprises cannot support the development of subsequent industries, so that the final utilization rate of solar energy cannot reach a higher level, and the market flexibility is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can high-efficient comprehensive utilization system of middle energy light and heat that solar energy, effective reduction in production cost, system stability are higher can be synthesized to high efficiency.
The utility model discloses a system for comprehensively utilizing the intermediate energy, the light and the heat with high efficiency, which comprises a solar energy light-gathering and heat-collecting device, a heat storage system and an energy utilization system,
the solar light-gathering and heat-collecting device comprises a shell-type double-shaft tracking system, a reflector and a light-gathering and heat-collecting tube, wherein the reflector and the light-gathering and heat-collecting tube are both arranged on the shell-type double-shaft tracking system, the double-shaft tracking system can realize the rotation of the reflector and the light-gathering and heat-collecting tube in a horizontal plane and the pitching motion of a vertical plane, the reflector and the light-gathering and heat-collecting tube synchronously rotate, the reflector can focus sunlight into a light band, a secondary light-gathering element and a light-gathering chip battery are arranged in the light-gathering and heat-collecting tube, the light band directly irradiates the light-gathering plane of the secondary light-gathering element, the secondary light-gathering element and the light-gathering chip;
the heat storage system comprises a heat storage pool, the heat storage pool comprises a plurality of water pools arranged in a pit hole below the ground, a connecting structure is arranged between every two adjacent water pools to ensure the communication state of all the water pools, the water pools are uniformly provided with water inlets and water outlets, and the water inlets and the water outlets are respectively connected with two ends of the heat collection pipeline;
the energy utilization system is one or more of a low-temperature power generation system, a refrigeration system, a user heating system and a steam supply system, and a water outlet and a water inlet of the heat storage system are respectively connected with a water inlet and a water outlet of the energy utilization system and used for providing a heat source for the energy utilization system.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein shell formula biax tracker includes the circular orbit, is fixed with the horizontal rotation rack on the circular orbit's the surface, and the horizontal rotation rack cooperates with the gear who installs the running gear on the slewing frame, the slewing frame bottom is provided with the guide pulley, and the guide pulley can rotate on the circular orbit's upper surface.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein multiunit support piece is installed to the revolving frame top, installs two sets of gyration bearing structure on the support piece, installs the fin axle between two sets of gyration bearing structure, the epaxial arc bearing frame and spotlight thermal-collecting tube bracing piece of being fixed with of fin, the speculum is installed on arc bearing frame, spotlight thermal-collecting tube installs on spotlight thermal-collecting tube bracing piece, and the one end of fin axle is fixed with the pendulum rod subassembly, and the pendulum rod subassembly is including the pendulum rod and the pendulum rod gear that are connected, pendulum rod gear and swing motor gear cooperation.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein spotlight thermal-collecting tube includes the thermal-collecting tube outer tube, and the tip bellows is respectively installed at thermal-collecting tube outer tube both ends, is provided with thermal-arrest pipeline interface, gas pocket and wire interface on the tip bellows.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein inside the battery base was located the collecting tube, the battery base chooseed for use the shaped metal processing to form, and the upper surface coating of battery base has one deck black extinction, heat transfer material.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein respectively processing has two slides on the side of battery base and the bottom surface, is provided with a plurality of bearing structure in the slide, bearing structure includes supporting rod seat and under bracing base, is provided with supporting rod seat on a plurality of in the side slide, is provided with a plurality of under bracing base in the slide of bottom surface, all installs support piece on last supporting rod seat and the under bracing base, and support piece contacts with the inner wall of thermal-collecting tube outer tube.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein the top in pond covers has and is used for heat retaining soil layer, and the main part in pond adopts reinforced concrete to build, and the main part inboard is provided with the waterproof layer, and the main part outside has set gradually insulation material layer, ordinary heat preservation and the outside waterproof isolation layer of taking the reflectance coating from inside to outside, and the waterproof layer comprises waterproof material.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein one side of pond bottom is provided with the groove that absorbs water, and the position in the groove that absorbs water is less than pond bottom plane, the inslot that absorbs water is provided with the water pump.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein connection structure includes the connecting tube well, and the operation mouth has been seted up at connecting tube well top, and two connecting tube about connecting tube well inside is provided with, and connecting tube's both ends link to each other with two adjacent ponds respectively, are provided with the valve on the connecting tube, and the connecting tube outside is provided with the thermal insulation layer that keeps warm.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, wherein low temperature power generation system adopts organic rankine cycle system.
The utility model discloses can high-efficient comprehensive utilization system of light and heat lie in with prior art difference, the utility model discloses can high-efficient comprehensive utilization system of light and heat carried out technical innovation on the basis of traditional light and heat power generation technique, system design is located middle and low temperature thermal-arrest spotlight research and development, has so reduced applied material and technology threshold, has reduced the design degree of difficulty, has improved the security and the stability of system. The specific system design idea is that the light-gathering chip batteries are integrated and arranged on a battery base made of metal sectional materials, and the solar light can gather and irradiate the chip batteries to generate electric energy. The battery base is internally provided with a hollow pipeline, circulating water can be led in, the water is chip cooling liquid and is heat collection medium to generate hot water, and the hot water is stored in the heat storage system through the circulating system in a circulating manner to realize recycling of heat supply, steam supply, low-temperature power generation and the like. The heat storage system can realize low construction cost, high heat preservation efficiency and simple design structure and process. The low-temperature power generation system thoroughly solves the recycling threshold of low-temperature waste heat, utilizes the hot water stored in the heat storage system to generate power again, can realize that the hot water with the temperature of more than 80 ℃ can be used for recycling power generation, has the technical predictive value that each ton of hot water with the temperature of 80 ℃ can work and be cooled to 5 ℃ to generate primary power on average, and has the effects of high power generation efficiency, low power generation cost and no pollution. Refrigerating system, user heating system and supply steam system conduct the utility model discloses energy utilization system's concrete implementation has wide market prospect, and at the effective utilization of solar energy spotlight heat collecting device and heat-retaining system to the natural energy, the cost of construction of whole utilization system will also reduce, and pollution-free, energy resource consumption are low moreover.
The middle energy photo-thermal efficient comprehensive utilization system of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a process flow diagram of the system for comprehensive utilization of medium energy, light and heat;
FIG. 2 is a schematic structural view of a solar energy light-gathering and heat-collecting device in the system for comprehensive utilization of medium energy, light and heat;
FIG. 3 is a side view of the light-gathering heat collecting tube in the system for high-efficiency comprehensive utilization of intermediate energy, light and heat (omitting the end bellows);
fig. 4 is a schematic structural view of a light-gathering heat collecting tube in the system for comprehensive utilization of medium energy, light and heat energy and high efficiency (the outer tube of the heat collecting tube is omitted);
FIG. 5 is a top view of the heat storage system in the system for high efficiency and comprehensive utilization of intermediate energy, light and heat;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic cross-sectional view of the main body of the heat storage system in the system for high-efficiency comprehensive utilization of intermediate energy, light and heat;
FIG. 8 is a top view of the heat storage system in embodiment 5 of the system for solar, thermal and high efficiency comprehensive utilization of energy of the present invention;
FIG. 9 is a sectional view of the heat storage system in embodiment 5 of the system for comprehensive utilization of medium energy, light and heat in a front view;
the notation in the figures means: 1-a connecting rod; 2-a support; 3-oscillating bar gear; 4-oscillating bar; 5-an arc-shaped support frame; 6-a reflector; 7-a fin shaft; 8-a light-gathering heat-collecting tube; 9-a revolving frame; 10-a light-gathering heat-collecting tube support rod; 11-horizontally rotating the rack;
21-a lower support base; 22-a battery base; 23-a light-concentrating chip cell; 24-a light-gathering bracket; 25-outer tube of heat collecting tube; 26-a secondary concentrating element; 27-a support; 28-upper support strut seat; 29-heat collecting pipe; 30-end bellows; 31-a wire interface; 32-heat collecting pipe interface; 33-pores;
41-a connecting structure; 42-repairing the roadway; 43-a pool; 44-a body; 45-soil layer; 46-a valve; 47-operation port; 48-opening the hole; 49-climbing ladder; 50-inner support columns; 51-connecting a pipe; 52-connecting tubing wells; 53-water absorption tank; 54-a waterproof layer; 55-a heat insulating material layer with a reflecting film; 56-cement mortar protective layer; 57-an outer waterproof barrier; 58-foam or cement mortar; 59-common insulating layer;
61-a water storage tank; 62-dividing wall; 63-expansion joint; 64-a wall body; 65-through via.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
As shown in figure 1, the utility model discloses the high-efficient comprehensive utilization system of ability of moderate energy light and heat includes solar energy spotlight heat collecting device, heat-retaining system and energy utilization system.
The solar light-gathering and heat-collecting device comprises a shell-type double-shaft tracking system, a reflector 6 and a light-gathering and heat-collecting tube 8.
As shown in fig. 2, the belleville dual-axis tracking system includes an annular rail made of corrosion-resistant rail steel and mounted on a horizontal base. A plurality of rack steel belts are uniformly arranged on the outer surface of the annular track. An annular horizontal rotating rack 11 is mounted on the rack steel belt, the horizontal rotating rack 11 is matched with a rotating gear (not shown), the rotating gear is mounted on a revolving frame 9, and a guide wheel is arranged at the bottom of the revolving frame 9 and rotates on the upper surface of the annular track. When the rotating motor works, the rotating motor provides power for the rotating gear, and the rotating gear is meshed with the horizontal rotating rack 11 to drive the rotating gear and the rotating frame 9 to rotate. A plurality of sets of supporting members 2, two sets in this embodiment, are mounted above the revolving frame 9. Two sets of gyration bearing structure are installed to support piece 2 on, and gyration bearing structure chooses for use the bearing in this embodiment, installs fin axle 7 between two sets of gyration bearing structure. An arc-shaped supporting frame 5 and a light-gathering heat-collecting tube supporting rod 10 are fixed on the fin shaft 7. One end of the fin shaft 7 is fixed with a swing rod component, the swing rod component comprises a swing rod 4 and a swing rod gear 3 which are connected, and the swing rod gear 3 is matched with a swing motor gear (not shown). When the swing motor works, the swing motor provides power for the swing motor gear to drive the swing rod gear 3 and the fin shaft 7 to rotate. The swing rod 4 assembly is also provided with a connecting rod 1, and the other end of the connecting rod 1 is connected with one end of a fin shaft 7 on the other group of supporting pieces 2, so that the two fin shafts 7 synchronously rotate.
The reflector 6 is mounted on the arc-shaped support frame 5 to rotate together with the fin shaft 7. The reflector 6 can focus sunlight into a light band.
The light-gathering heat-collecting tube 8 is arranged on the light-gathering heat-collecting tube support rod 10 and rotates along with the fin shaft 7. As shown in fig. 3 and 4, the light-collecting and heat-collecting tube 8 includes a heat-collecting tube outer tube 25, end bellows 30 are respectively installed at two ends of the heat-collecting tube outer tube 25, and the end bellows 30 are sleeved outside the end of the heat-collecting tube outer tube 25. The light-gathering heat collecting pipe support rod 10 is provided with a connecting piece, and the two end corrugated pipes 30 are connected with the light-gathering heat collecting pipe support rod 10 through the connecting piece. The end bellows 30 is an elastic member, which can effectively avoid the influence of the deformation of the collector tube outer tube 25 caused by the expansion with heat and contraction with cold on the structural stability and safety of the collector tube. The end portion bellows 30 is provided with a heat collecting pipe connection port 32, an air hole 33, and a wire connection port 31. The heat collecting pipe interface 32 includes a medium inlet and a medium outlet, and is used for connecting a pipe for conveying a heat conducting medium to cool the inside of the light collecting pipe 8; the air hole 33 is used for connecting air extraction equipment, and a vacuum environment is formed inside the heat collecting pipe; the wire interface 31 is used to dredge the wires for the output current.
The battery base 22 is installed inside the heat collecting pipe outer pipe 25, the battery base 22 is made of metal section materials, and the upper surface of the battery base 22 is coated with a layer of black light absorption and heat transfer materials. Two slide ways are respectively processed on the side surface and the bottom surface of the battery base 22, and a plurality of support structures are arranged in the slide ways. The support structure comprises an upper support rod seat 28 and a lower support base 21. A plurality of upper supporting rod seats 28 are arranged in the side surface slide ways, and a plurality of lower supporting bases 21 are arranged in the bottom surface slide ways. Both the upper support rod seat 28 and the lower support base 21 can slide in the slide. The upper support rod seat 28 and the lower support base 21 are both provided with a support member 27, and the support member 27 is in contact with the inner wall of the heat collecting pipe outer pipe 25 to play a role in positioning the battery base 22. The supporting pieces 27 on the upper supporting rod seat 28 and the lower supporting base 21 are respectively contacted with the outer tube 25 of the heat collecting tube from the side surface and the bottom surface of the battery base 22, and the supporting function on the battery base 22 is simultaneously realized in multiple directions, so that the position of the battery base 22 is ensured not to be changed in the working and transferring processes.
A plurality of secondary light-gathering elements 26 arranged in sequence are arranged above the battery base 22, and in this embodiment, the secondary light-gathering elements 26 are light-gathering prisms, lenses or other optical elements capable of gathering light. The upper surface of the secondary light-gathering element 26 is a light-gathering surface, the light-gathering surface is opposite to the position of a light band generated by the reflector 6, and the light band can directly irradiate the light-gathering surface of the secondary light-gathering element 26. The secondary light-collecting element 26 is mounted on the light-collecting holder 24, and the light-collecting holder 24 is fixed on the battery base 22.
A condenser chip battery 23 is provided below the secondary condenser element 26, and the condenser chip battery 23 is fixed to the battery base 22. The light-focusing chip battery 23 in this embodiment is a gallium arsenide battery module. The bottom surface of the secondary light condensing element 26 faces the chip body of the light condensing chip cell 23, and light condensed by the secondary light condensing element 26 can be irradiated onto the chip body of the light condensing chip cell 23 to generate current and generate power. The light-gathering chip battery 23 is provided with a positive terminal and a negative terminal, the terminals are connected with a lead, and the lead leads out current to a self-used electric appliance and an electric storage device or transmits the current to a national power grid through a lead interface 31 on the heat collecting tube outer tube 25.
The focused chip cell 23 generates a current and a high temperature. The interior of the battery base 22 is provided with a heat collecting pipe 29, and both ends of the heat collecting pipe 29 are connected with heat collecting pipe interfaces 32. A heat conducting medium flows through the heat collecting pipe 29, and the heat conducting medium can bring the high temperature generated by the light gathering chip battery 23 to the outside of the light gathering heat collecting pipe 8, and store and utilize the heat. The heat transfer medium in this embodiment is circulating water. Circulating water enters the heat collecting pipe 29 from the interface on the end corrugated pipe 30 at one end and then flows out from the interface on the end corrugated pipe 30 at the other end, and heat generated by the light-gathering chip battery 23 is continuously led out, so that the light-gathering heat collecting pipe 8 can be cooled, and the heat can be stored to effectively utilize energy.
As shown in fig. 5-7, the thermal storage system includes a thermal storage tank comprising a plurality of ponds 43 disposed in sub-surface tunnels, and may also be disposed in rural ponds, mine caverns, mine subsidence areas, and the like. The upper part of the water tank 43 is covered with a soil layer 45 for heat preservation. The main body 44 of the water tank 43 is made of reinforced concrete, the waterproof layer 54 is arranged on the inner side of the main body 44, the heat insulation material layer 55 with a reflective film, the common heat insulation layer 59, the cement mortar protective layer 56 and the external waterproof isolation layer 57 are sequentially arranged on the outer side of the main body 44 from inside to outside, and the outermost side is foam or cement mortar 58. Wherein, the waterproof layer 54 is made of waterproof material; the heat insulation material layer 55 with the reflection film and the common heat insulation layer 59 play a role in heat insulation; the cement mortar protective layer 56 and the outer waterproof isolation layer 57 play a role of outer waterproofing and protection. The top of the main body 44 is provided with an opening 48 for people to enter and exit, which facilitates the inspection and maintenance by the staff. A ladder stand 49 is arranged at the position of the open hole 48, and the lower end of the ladder stand 49 extends to the bottom of the water pool 43. An inner supporting column 50 is arranged in the water tank 43, and the upper end and the lower end of the inner supporting column 50 are respectively fixed on the top surface and the bottom surface of the main body 44 to play a supporting role. One side of pond 43 bottom is provided with the groove 53 that absorbs water, and the position that absorbs water the groove 53 is less than pond 43 bottom plane, is provided with the water pump in the groove 53 that absorbs water, and the outlet conduit of water pump can stretch out to the heat-retaining pond outside from trompil 48, and the staff can fall to the water level in the pond 43 below the water surface of the groove 53 that absorbs water through the water pump, then gets into the inside maintenance that overhauls in the heat-retaining pond.
The plurality of water tanks 43 are arranged in two rows in parallel, and the connecting structures 41 are arranged between two adjacent water tanks 43 in the same row and between the water tanks 43 in the two rows of water tanks 43 which are opposite to each other. The connecting structure 41 comprises a connecting pipe well 52, and an operation opening 47 is formed in the top of the connecting pipe well 52, so that the operation of a worker is facilitated. An upper connecting pipe 51 and a lower connecting pipe 51 are arranged in the connecting pipe well 52, and two ends of each connecting pipe 51 are respectively connected with two adjacent water ponds 43. The water in the water tanks 43 is always in a circulating state, the low-temperature water moves downwards, the high-temperature water moves upwards, and the two connecting pipelines 51 are respectively positioned at the upper side and the lower side, so that the water circulation between the adjacent water tanks 43 can be facilitated. The connecting pipe 51 is provided with a valve 46, and the valve 46 is used for controlling the on-off of the water path between two adjacent water pools 43. The outer side of the connecting pipeline 51 is provided with a heat insulation layer. An access vehicle lane 42 is arranged between the two rows of water tanks 43. The access roadway 42 may facilitate later maintenance of the plurality of basins 43 by a worker.
The heat storage tank is provided with a water purification inlet, the water purification inlet is used for introducing water treated by a water purification system into the heat storage tank, and the water purification system is used for removing oxygen in the water and preventing subsequent circulating water from corroding metal elements of the system when the subsequent circulating water runs in the system. Before the system starts to work, the heat storage tank is filled with water through the water purification inlet, and then the system is operated to work normally.
The heat storage system adopts a double-sided omnibearing heat preservation module concrete pouring technology, is formed in one step, is short in construction time, high in heat storage and heat preservation effects, the loss of stored heat energy is not more than 3-5 ℃ per month, and the building quality reaches the national first-level building standard. The ground surface is provided with heat collecting equipment, and the underground is provided with a heat storage system, so that secondary utilization of land is realized, and the land and investment cost are saved.
A plurality of water pools 43 in the heat storage system are uniformly provided with water inlets and water outlets, so that the openings of the system are reduced, and the consumption of heat energy can be reduced. The water outlet of the water tank 43 is connected with the medium inlet on the light-gathering heat collecting tube 8 through a pipeline, and the water inlet is connected with the medium outlet through a pipeline. Circulating water in the heat storage tank flows through the light-gathering heat collecting tube 8, and heat inside the light-gathering heat collecting tube 8 is taken out.
The water outlet and the water inlet of the heat storage system are also respectively connected with the water inlet and the water outlet of the energy utilization system and used for providing a heat source for the energy utilization system.
The energy utilization system is one or more of a low-temperature power generation system, a refrigeration system, a user heating system and a steam supply system.
In the present embodiment, the energy utilization system is a low-temperature power generation system. The low-temperature power generation system adopts an organic Rankine cycle system, the organic Rankine cycle uses an organic working medium to replace water as a power cycle system of a Rankine cycle working medium, and is particularly suitable for recovering medium-low temperature heat energy with the temperature lower than 350 ℃, the organic working medium with different critical temperatures can be suitable for low-grade heat energy heat sources with different temperature ranges, and compared with a steam Rankine cycle, the organic Rankine cycle has the advantages of proper working pressure, high dryness of an outlet of an expansion machine, high efficiency and the like when the medium-low grade heat energy is recovered.
When the low-temperature power generation system works, the circulating water of the heat storage system is used as a heat source for the expansion work of the organic working medium in the organic Rankine cycle, and the heat source with the temperature of more than 80 ℃ is continuously conveyed into the low-temperature power generation system, so that the low-temperature power generation system continuously generates power.
If the heat storage system conveys 10 tons of hot water with the temperature of 80 ℃ to the low-temperature power generation system per hour, the low-temperature power generation system per ton of water lowers the temperature by 5 ℃ to generate 2-DEG electric energy, namely, the system can generate 20 DEG electricity per hour and 480 DEG electricity per 24 hours, and the system can generate electricity all day after 8 months except for winter heating time. The solar heat-storage water heater can generate electricity in the daytime in a heating season, the annual generating capacity of hot water stored in the heat storage tank is 115200 ℃ of electricity, weather reasons and night factors are removed, other power consumption is calculated according to 20%, and 92160 ℃ of electricity can be generated in the year. Every 20000m3The heat storage system can be matched with about 50 low-temperature power generation systems. Therefore, the low-temperature power generation system has the advantages of small installation area, large power generation amount, short recovery investment period and the like.
The utility model discloses can high-efficient comprehensive utilization system of light and heat, utilize this kind of renewable resources of solar energy, through the thermal-arrest of centering low temperature solar energy, the heat that will produce when the electricity generation is stored in taking out the heat-retaining system through the circulating water. The solar power generation can be used by itself or transmitted to a national power grid, and the heat energy stored by the circulating water in the heat storage system is continuously utilized by the energy utilization system, so that the solar power generation system can be used for multiple purposes such as secondary power generation, refrigeration, heating or steam supply and the like.
Example 2
The present embodiment is different from embodiment 1 in that the energy utilization system is a refrigeration system. Circulating water of the heat storage system is used as a heat source of an evaporator in the refrigeration system and is used for providing heat required by evaporation for liquid working media flowing through the evaporator.
Example 3
The present embodiment is different from embodiment 1 in that the energy utilization system is a user heating system. The circulating water of the heat storage system is used as a heat source of the heating system and continuously provides circulating water for a heating line of a user. And a neutralizing water system is arranged between the heat storage system and the user heating system and can neutralize water flowing out of the heat storage system. The circulating water is subjected to heat exchange by the heating system and then is treated by the decontamination system, and then can return to the heat storage system to be used as circulating water to circulate in the whole system.
Example 4
The present embodiment is different from embodiment 1 in that the energy utilization system is a steam supply system. Circulating water of the heat storage system is used as an initial heat source of the steam supply system, and steam can be continuously supplied after the circulating water is simply heated in the steam supply system.
Example 5
As shown in fig. 8 and 9, the present embodiment is different from embodiment 1 in that the heat storage system includes a plurality of water storage tanks 61 disposed in the pit below the ground, and soil layers for heat preservation are covered above the water storage tanks 61. A plurality of partition walls 62 are arranged in the water storage tank 61, the partition walls 62 are made of reinforced concrete, the partition walls 62 are provided with communicating holes 65, and the communicating holes 65 on every two adjacent partition walls 62 are arranged in a staggered mode. The positions of the communicating holes 65 in the different partition walls 62 are staggered, which facilitates the circulating water to be fully circulated in the water storage tank 61.
The wall 64 of the water storage tank 61 is made of reinforced concrete, and expansion joints 63 are arranged inside the wall 64 on the side surface and the top surface of the water storage tank 61. The expansion joints 63 in the top wall 64 are arranged in a cross shape, the expansion joints 63 in the side wall 64 are arranged in a vertical direction, and the upper part of the side expansion joint 63 is fixedly connected with the edge of the top expansion joint 63. The top and side surfaces of the wall 64 where the partition wall 62 is located are also provided with expansion joints 63. The structure of the expansion joint 63 is a common wall expansion joint structure in the market.
The inner sides of the walls 64 in this embodiment are all provided with layer structures, and the arrangement of the layer structures is the same as that of the layer structures inside and outside the main body 44 in embodiment 1.
The utility model discloses can high-efficient comprehensive utilization system of light and heat have wide market prospect. For ordinary rural family users, the solar energy light-gathering and heat-collecting device can be installed by the users for heating and power generation, the energy storage system, the charging and the like can be optionally and additionally matched, rural abandoned land can be used for collective heating in rural areas, and the solar energy light-gathering and heat-collecting device can also be installed in vegetable greenhouses, flower greenhouses, cherry greenhouses, culture areas and other places needing heating in winter.
For industrial and commercial roofs and government office institutions (places where municipal pipe network heating pipelines cannot be laid, such as town governments, hospitals, schools, tax and other office areas), the solar energy light-gathering and heat-collecting device, the heat storage system, the low-temperature power generation system, the refrigerating system, the heating system and the steam supply system can be installed at the same time, and comprehensive installation of modes, such as heating, power generation, steam, charging piles, energy storage and refrigeration, is realized.
The hot water, steam and power supply problems for production in the production area can be solved according to the roof installation mode of industry and commerce for the factory area and the office area.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a high-efficient comprehensive utilization system of ability light and heat which characterized in that: comprises a solar light-gathering and heat-collecting device, a heat storage system and an energy utilization system,
the solar light-gathering and heat-collecting device comprises a shell-type double-shaft tracking system, a reflector and a light-gathering and heat-collecting tube, wherein the reflector and the light-gathering and heat-collecting tube are both arranged on the shell-type double-shaft tracking system, the double-shaft tracking system can realize the rotation of the reflector and the light-gathering and heat-collecting tube in a horizontal plane and the pitching motion of a vertical plane, the reflector and the light-gathering and heat-collecting tube synchronously rotate, the reflector can focus sunlight into a light band, a secondary light-gathering element and a light-gathering chip battery are arranged in the light-gathering and heat-collecting tube, the light band directly irradiates the light-gathering plane of the secondary light-gathering element, the secondary light-gathering element and the light-gathering chip;
the heat storage system comprises a heat storage pool, the heat storage pool comprises a plurality of water pools arranged in a pit hole below the ground, a connecting structure is arranged between every two adjacent water pools to ensure the communication state of all the water pools, the water pools are uniformly provided with water inlets and water outlets, and the water inlets and the water outlets are respectively connected with two ends of the heat collection pipeline;
the energy utilization system is one or more of a low-temperature power generation system, a refrigeration system, a user heating system and a steam supply system, and a water outlet and a water inlet of the heat storage system are respectively connected with a water inlet and a water outlet of the energy utilization system and used for providing a heat source for the energy utilization system.
2. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency as claimed in claim 1, wherein: the Belleville type double-shaft tracking system comprises an annular rail, wherein a horizontal rotating rack is fixed on the outer surface of the annular rail, the horizontal rotating rack is matched with a rotating gear installed on a revolving frame, a guide wheel is arranged at the bottom of the revolving frame, and the guide wheel can rotate on the upper surface of the annular rail.
3. The system for comprehensive utilization of medium-energy photo-thermal energy and high efficiency as claimed in claim 2, wherein: the solar concentrating solar energy concentrating photovoltaic module is characterized in that a plurality of groups of supporting pieces are installed above the revolving frame, two groups of revolving supporting structures are installed on the supporting pieces, fin shafts are installed between the two groups of revolving supporting structures, arc-shaped supporting frames and concentrating heat collecting tube supporting rods are fixed on the fin shafts, the reflecting mirrors are installed on the arc-shaped supporting frames, the concentrating heat collecting tubes are installed on the concentrating heat collecting tube supporting rods, swing rod assemblies are fixed at one ends of the fin shafts, each swing rod assembly comprises a swing rod and a swing rod gear which are connected, and the.
4. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency according to claim 1 or 3, characterized in that: the light-gathering heat collecting tube comprises a heat collecting tube outer tube, end corrugated tubes are respectively installed at two ends of the heat collecting tube outer tube, and a heat collecting tube connector, an air hole and a wire connector are arranged on the end corrugated tubes.
5. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency according to claim 1 or 3, characterized in that: the battery base is positioned in the outer tube of the heat collecting tube, the battery base is made of metal section materials, and a layer of black light absorption and heat transfer materials is coated on the upper surface of the battery base.
6. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency as claimed in claim 1, wherein: the battery base is characterized in that two slideways are processed on the side face and the bottom face of the battery base respectively, a plurality of supporting structures are arranged in the slideways, each supporting structure comprises an upper supporting rod seat and a lower supporting base, a plurality of upper supporting rod seats are arranged in the slideways on the side face, a plurality of lower supporting bases are arranged in the slideways on the bottom face, supporting pieces are arranged on the upper supporting rod seats and the lower supporting bases, and the supporting pieces are contacted with the inner wall of the outer tube of the heat collecting.
7. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency as claimed in claim 1, wherein: the water pool is covered with a soil layer for heat preservation, the main body of the water pool is built by reinforced concrete, the inner side of the main body is provided with a waterproof layer, the outer side of the main body is sequentially provided with a heat preservation material layer with a reflection film, a common heat preservation layer and an external waterproof isolation layer from inside to outside, and the waterproof layer is made of waterproof materials.
8. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency according to claim 1 or 7, characterized in that: and a water suction groove is arranged on one side of the bottom of the water tank, the position of the water suction groove is lower than the plane of the bottom of the water tank, and a water pump is arranged in the water suction groove.
9. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency as claimed in claim 1, wherein: the connecting structure comprises a connecting pipeline well, an operation opening is formed in the top of the connecting pipeline well, an upper connecting pipeline and a lower connecting pipeline are arranged inside the connecting pipeline well, two ends of each connecting pipeline are connected with two adjacent water pools respectively, a valve is arranged on each connecting pipeline, and a heat-insulating layer is arranged on the outer side of each connecting pipeline.
10. The system for comprehensive utilization of intermediate energy photo-thermal energy and high efficiency as claimed in claim 1, wherein: the low-temperature power generation system adopts an organic Rankine cycle system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110173905A (en) * | 2019-06-21 | 2019-08-27 | 北京中能恒电科技有限公司 | Middle energy photo-thermal high-efficiency comprehensive utilization system |
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