CN102242978A - Solar heat collector system for solar heat power generation and manufacturing method thereof - Google Patents
Solar heat collector system for solar heat power generation and manufacturing method thereof Download PDFInfo
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- CN102242978A CN102242978A CN2010101689865A CN201010168986A CN102242978A CN 102242978 A CN102242978 A CN 102242978A CN 2010101689865 A CN2010101689865 A CN 2010101689865A CN 201010168986 A CN201010168986 A CN 201010168986A CN 102242978 A CN102242978 A CN 102242978A
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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
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Abstract
The invention aims at providing a high-temperature solar acquisition system and a manufacturing method thereof and in particular relates to a heat collector system for solar heat power generation. The heat collector system which consists of a main cavity and a plurality of sub-cavities can be used for realizing the high temperature collection and utilization of the solar energy; the main cavity and the sub-cavities are connected through at least one of methods of welding, threaded connection and flange connection, thus overcoming the defect that the existing direct insertion can not bear pressure; simultaneously a multilaminate heat insulating material is adopted, and the high temperature insulation capable of resisting temperature higher than 80 DEG C and the low temperature insulation capable of resisting the temperature lower than 80 DEG C are adopted to realize the insulation of the cavities; and meanwhile, the existing cavity which adopts a metal panel with the thickness of 0.6-0.6mm can not bear pressure, therefore the metal is replaced by a metal material with the thickness of 0.8mm, thus the high-temperature and high-pressure solar heat collection is realized.
Description
Technical field
The present invention relates to collection and solar energy thermal-power-generating utilization and other heat utilizations of the utilization of solar energy, particularly solar energy.
Background technology
The low temperature heat utilization of solar energy is very ripe, particularly directly adopt the vacuum glass Manifold technology to carry out the collection of solar energy and be used, this technical method is that water is directly heated by the inside of glass tube, but the problem that this technology exists is to use in the zone of cold, and be non-pressure-bearing type, use problem in order to solve cold area, " U " type pipe and heat pipe form have been adopted, " but U " type pipe has increased the power consumption and the scale problems of pump, has also increased cost; The subject matter that adopts hot pipe technique is to adopt the heat pipe of copper material to add fin, increased very big cost like this, and common hot pipe technique manufacturing cost height, poor reliability, this all obstacle the application of hot pipe technique at solar energy, even simultaneously adopted hot pipe technique still can't realize dynamical heat transfer; The problem that solves the bursting by freezing in winter in the winter time by electrically heated mode is also arranged, increased power consumption like this, the cost of hot water is increased.
Existing solar low-temperature heat utilization rests on the application of hot water basically, is to be no more than 60 degrees centigrade heat energy utilization according to the temperature of GB solar water heater, and the function of its application only limits to the application of hot water.
The sun application of low-temperature heat power generation, substantially be application at 60-400 degree centigrade, because temperature raises, pressure increases, existing solar energy heating collecting part can not directly apply to solar energy thermal-power-generating, particularly after temperature surpasses 100 degrees centigrade, the solar energy acquisition pressure inside increases, existing product all can't bear big pressure, because temperature raises, it is softening that existing insulation material adopts polyurethane to occur, and can't be applicable to the insulation of high temperature simultaneously, thereby must improve existing product, use so that be applied to solar energy high temperature.
Summary of the invention
Purpose of the present invention just provides a kind of high temperature solar acquisition system, thermal-arrest acquisition system especially for solar energy thermal-power-generating, the present invention adopts the main cavity of setting and the acquisition system that a plurality of sub-cavity is formed, the high temperature collection that realizes solar energy utilizes, main cavity and sub-cavity adopt welding, be threaded, at least a mode that flange connects connects, changed the defective that existing direct insertion can not pressure-bearing, adopt the insulation material of multilayer simultaneously, adopting the heatproof degree to be higher than 80 soak and heatproof degree centigrade is lower than 80 degrees centigrade of low temperature insulations and realizes insulation to cavity, simultaneously because existing cavity adopts the sheet metal of thickness 0.4-0.6 millimeter, can not pressure-bearing, thereby metal risen to metal material greater than 0.8 millimeter, realized the solar energy heating of high temperature and high pressure like this.
Concrete summary of the invention is as follows: a kind of solar energy thermal-power-generating solar thermal collection system, compositions such as vacuum heat collection pipe, glass tube with vacuum, heat pipe, metallic cavity, insulation material, it is characterized in that: be provided with a main cavity and interconnect with a plurality of parallel sub-cavitys arranged side by side, its connected mode adopts and weld, is threaded, at least a mode in the flange connection; Outer setting at main cavity has insulation material, and described insulation material is made up of soak material and low temperature insulation at least, and its soak material is arranged on the outside of main cavity, and the low temperature insulation material is arranged on the outside of soak material; The structure of described sub-cavity is following a kind of: the fin on the outside or sub-cavity external process of A, each sub-cavity is provided with solar energy and selects coating, solar energy is converted to heat energy, and a common transparent heat insulating cavity is arranged in all sub-cavity outer setting; B, described sub-cavity are made up of heat pipe, are with vacuum heat collection pipe in the outside of heat pipe; C, its sub-cavity are a blind pipe or U-shaped pipe, and the fin on the outside or sub-cavity external process of each sub-cavity is provided with solar energy and selects coating, and solar energy is converted to heat energy, in the outer setting of each sub-cavity glass tube with vacuum are arranged.
When described sub-cavity is heat pipe, outside at sub-cavity can be provided with sleeve pipe, at least a mode that the sleeve pipe of heat pipe or heat pipe outer setting adopts and welds, is threaded, flange connects is connected with main cavity, be preferably and adopt tapered thread to connect, at least one section external diameter of the sleeve pipe on the sub-cavity is identical with the external diameter of glass tube with vacuum.
The material of main cavity, sub-cavity can be selected a kind of in copper, aluminium, stainless steel, carbon steel, the iron.
If the material of heat pipe adopts copper, the performance of copper in metal material is to be high relatively, and still, the price of the material of copper is to increase year by year, if employing carbon steel, its price will be shown that the heat pipe of ordinary steel and copper heat pipe have essentially identical performance by 10 times reduction by product test, thereby, on manufacturing cost, preferentially select for use ordinary steel, stainless steel material to make heat pipe, can reduce cost like this.
The section configuration of main cavity, sub-cavity is one of following: circle, rectangle, polygon, ellipse, rhombus, square.
The axis shape of sub-cavity is one of following at least shape: crooked, snakelike, waveform, include at least one closed loop.
The cross section of heat pipe and axis can be without limits, but on making, and the preferred product in axis and cross section usually cheaply is as circle, square; Its axis is the loop of containing at least one closed loop, constitutes the loop heat transfer tube configuration, and its closed loop can also constitute circulation self-oscillation heat pipe, and this all is present main heat pipe structure technology, and the those of ordinary skill in heat pipe field all can design and make; The thickness of main cavity, sub-cavity is greater than 0.8 millimeter.
In order to increase the withstand voltage properties of cavity, need to increase the metal thickness of cavity, because the thickness of existing product only is 0.4-0.6MM, even some producer is in order to reduce cost, to adopt the material of 0.2-0.4MM, this material is difficult to realize pressure-bearing, thereby needs to increase the thickness of material.Usually the thickness of main cavity adopts 2MM,, the thickness of sub-cavity adopts 1MM.
The working media (4) that heat pipe (1) inside fills is following at least a kind of or its mixture: ammonia, freon (halogenated hydrocarbons), hydrocarbon (hydro carbons), ethanol, methyl alcohol, acetone, carbon dioxide, water, butane.
The working media of heat pipe needs can move in the winter time, the operating temperature of its startup should be selected the working media of comparison low-temperature working for use, thereby the freon (halogenated hydrocarbons) of preferred cold-starting, hydrocarbon (hydro carbons) is a working media, can guarantee that like this heat pipe can start fast at low-temperature space in the winter time, simultaneously, this class working media, can not become ice mutually at low temperatures, make that product in the winter time can bursting by freezing, guarantee that heat pipe can use in the winter time normally.
At least one end at heat pipe (1) is provided with the can position, realizes the realization of filling of opposite heat tube internal work medium (4) and/or vacuum by the can position.
Be provided with check valve at the filling exit position, realize filling of opposite heat tube working media by one-way cock; The soak material is selected following a kind of: expanded perlite, mineral wool, mineral wool, refractory fibre, calcium silicates, rock wool, alumina silicate, quartz sand, vermiculite; The low temperature insulation material is selected from following at least a: polyurethane, rubber-plastic sponge, polyethylene, polystyrene.
The serviceability temperature of soak material is 80-500 degree centigrade, and it is 80 degrees centigrade that the serviceability temperature of low temperature insulation material is lower than.
Outer setting at sub-cavity has fin, and fin is provided with solar energy and selects coating, and solar energy is converted to heat energy.
For temperature and the efficient that increases solar energy acquisition, reflecting plate or transmittance plate are arranged in the outer setting of sub-cavity.
Reflecting plate or transmittance plate are selected from following a kind of: Fresnel Lenses or speculum, metallic mirror, glass-reflected or diaphotoscope.
Acquisition system of the present invention can realize the high temperature solar collection, not only can be applied to the solar power system of high temperature, and can be applied to multiple solar energy high temperature heat utilization fields such as high-temperature steam, solar energy are evaporated brine, solar seawater desalination.
A kind of manufacture method of making the described solar energy thermal-power-generating solar thermal collection system of claim 1, its manufacturing step is as follows: the metal tube of (1), selection certain-length is main cavity (stainless steel, an iron pipe); (2), on metal tube, punch, keep between each hole identical spacing with and axis in one plane, simultaneously main cavity passed through last two terminations that have import and outlet of sealing welding; (3), nut or flange are welded on the hole of main cavity pipeline; (4), the soak layer is worked into the inner bag outside; (5), with the processing of the shell body of extenral header on inner bag, can adopt the welding equipment of specialty, shell body can adopt metallic plate, decorative panel, by welding with the shell body completion of processing; (6), fill mold at each position that goes into operation, in each hole filling; (7), utilizing a side of a hole or casing that polyurethane is joined in the inner chamber body foams; (8), in temperature is in the room of 20-30 degree, be incubated processing in 24 hours, make polyurethane normally to cool off.
(9), select metal tube to be cut to a plurality of sub-cavitys according to certain-length, described sub-cavity is a heat pipe; (10), an end of thermotube shell is welded airtight, simultaneously screw rod, flange are welded on the sleeve pipe, again Socket welding is connected on the thermotube shell; (11), liquid-working-medium is circulated in the heat pipe; (12), on heat pipe mounted valve and spool, and by valve gas-filling working media, carry out exhaust by spool, or heat final vacuum by opposite heat tube; (13), with parallel arranged side by side being connected of a plurality of sub-cavitys with main cavity employing screw rod, flange.
The advantage of the Application of Solar Energy of this kind structure is: 1, the present invention has realized the purpose of existing solar energy acquisition system high temperatureization has been realized existing product is upgraded, particularly the utilization of high temperature; 2, adopt screw thread, welding, flange to connect, can bear the pressure of 5-50 kilogram, under specific (special) requirements, can also realize surpassing 50 kilograms pressure, only need to increase the thickness of cavity, thereby can satisfy the requirement of pressure fully; 3, adopt multi-layer heat preserving, can realize the insulation requirement of different temperatures, below existing 60 degree,, can be beneficial to multi-layer heat preserving and realize insulation to the middle temperature range of 60-300 degree and higher temperature; 4, adopt adopting heat pipes for heat transfer, realized conducting heat efficiently, reduced heat waste, particularly adopt tapered thread to connect, realized the quick connection of pressure-bearing; 5, product of the present invention can be widely used in different fields, except can use with solar electrical energy generation, can also be applied to application such as other high-temperature steams, solar energy are evaporated brine, solar seawater desalination.
Description of drawings
Fig. 1: plate welding acquisition system; Fig. 2: vacuum-tube heat-pipe tapered thread connects acquisition system.
The concrete implication of the number designation among the figure is as follows: 1: main cavity, 2: sub-cavity, 3: soak layer, 4: low temperature heat-insulation layer, 5: glass tube with vacuum, 6: the heat pipe sleeve pipe; 7: plate acquisition system transparent heat insulating casing.
The specific embodiment
Fig. 1: plate welding acquisition system as shown in Figure 1, main cavity is common seamless steel pipe (1), thickness 3MM, walking abreast in its lower section and being welded with four seamless steel pipes is sub-cavity (2), wall thickness is 1MM, the insulation heat-insulation layer (3) of main cavity is asbestos, thickness is 10mm, second heat-insulation layer is polyurethane (4), thickness is 15MM, and the pipe external shell of sub-cavity is provided with solar energy and selects coating, and its two cavity adopts a closed cavity (7) to carry out airtight, one side of closed cavity adopts the vacuum transparent glass, and remainder is the insulation casing that insulation material is made.
Fig. 2: vacuum-tube heat-pipe tapered thread connects acquisition system as shown in Figure 2, main cavity is stainless steel tube (1), thickness 2MM, parallel in its lower section four stainless steel heat pipes that adopt tapered thread to connect are sub-cavity (2), on main cavity, be welded with four nuts, on the sleeve pipe of sub-cavity heat pipe, be welded with screw rod, four heat pipes realize that by tapered thread and main cavity pressure-bearing is connected, the wall thickness 1MM of heat pipe, the insulation heat-insulation layer (3) of main cavity is a glass fibre cotton, and thickness is 15mm, and second heat-insulation layer is polyurethane (4), thickness is 10MM, in the outer setting of sub-cavity heat pipe glass tube with vacuum (5) is arranged.
Claims (10)
1. solar energy thermal-power-generating solar thermal collection system, form by vacuum heat collection pipe, glass tube with vacuum, heat pipe, metallic cavity, insulation material etc., it is characterized in that: be provided with a main cavity and interconnect with a plurality of parallel sub-cavitys arranged side by side, its connected mode adopts and weld, is threaded, at least a mode in the flange connection; Outer setting at main cavity has insulation material, and described insulation material is made up of soak material and low temperature insulation at least, and its soak material is arranged on the outside of main cavity, and the low temperature insulation material is arranged on the outside of soak material; The structure of described sub-cavity is following a kind of:
Fin on the outside or sub-cavity external process of A, each sub-cavity is provided with solar energy and selects coating, solar energy is converted to heat energy, and in all sub-cavity outer setting a common transparent heat insulating cavity is arranged;
B, described sub-cavity are made up of heat pipe, are with vacuum heat collection pipe in the outside of heat pipe;
C, its sub-cavity are a blind pipe or U-shaped pipe, and the fin on the outside or sub-cavity external process of each sub-cavity is provided with solar energy and selects coating, and solar energy is converted to heat energy, in the outer setting of each sub-cavity glass tube with vacuum are arranged.
2. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1, it is characterized in that: when the group cavity is heat pipe, outside at sub-cavity also is provided with sleeve pipe, be connected by sleeve pipe between sub-cavity and the main cavity, at least one section external diameter of the sleeve pipe on its sub-cavity is identical with the external diameter of glass tube with vacuum.
3. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1, it is characterized in that: the thickness of main cavity and sub-cavity is greater than 0.8 millimeter.
4. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1 is characterized in that: the material of described main cavity and sub-cavity is a kind of in copper, aluminium, stainless steel, carbon steel, the iron.
5. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1 is characterized in that: the section configuration of main cavity and sub-cavity is one of following: circle, rectangle, polygon, ellipse, rhombus, square;
The axis shape of sub-cavity is one of following at least shape: crooked, snakelike, waveform, include at least one closed loop.
6. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1, it is characterized in that: the soak material is selected following a kind of: expanded perlite, mineral wool, mineral wool, refractory fibre, calcium silicates, rock wool, alumina silicate, quartz sand, vermiculite;
The low temperature insulation material is selected from following at least a: polyurethane, rubber-plastic sponge, polyethylene, polystyrene.
7. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1, it is characterized in that: the hull outside at heat pipe is provided with fin, and fin is provided with solar energy and selects coating, and solar energy is converted to heat energy.
8. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 1 is characterized in that: for temperature and the efficient that increases solar energy acquisition, in the outer setting of sub-cavity reflecting plate or transmittance plate are arranged.
9. a kind of solar energy thermal-power-generating solar thermal collection system according to claim 8, it is characterized in that: reflecting plate or transmittance plate are selected from following a kind of: Fresnel Lenses or speculum, metallic mirror, glass-reflected or diaphotoscope.
10. manufacture method of making the described solar energy thermal-power-generating solar thermal collection system of claim 1, its manufacturing step is as follows:
(1), selecting the metal tube of certain-length is main cavity;
(2), on metal tube, punch, keep between each hole identical spacing with and axis in one plane, simultaneously main cavity passed through last two terminations that have import and outlet of sealing welding;
(3), nut or flange are welded on the hole of main cavity pipeline;
(4), the soak layer is worked into the inner bag outside;
(5), with the processing of the shell body of extenral header on inner bag, can adopt the welding equipment of specialty, shell body can adopt metallic plate, decorative panel, by welding with the shell body completion of processing;
(6), fill mold at each position that goes into operation, in each hole filling;
(7), utilizing a side of a hole or casing that polyurethane is joined in the inner chamber body foams;
(8), in temperature is in the room of 20-30 degree, be incubated processing in 24 hours, make polyurethane normally to cool off;
(9), select metal tube to be cut to a plurality of sub-cavitys according to certain-length, described sub-cavity is a heat pipe;
(10), an end of thermotube shell is welded airtight, simultaneously screw rod, flange are welded on the sleeve pipe, again Socket welding is connected on the thermotube shell;
(11), liquid-working-medium is circulated in the heat pipe;
(12), on heat pipe mounted valve and spool, and by valve gas-filling working media, carry out exhaust by spool, or heat final vacuum by opposite heat tube;
(13), with parallel arranged side by side being connected of a plurality of sub-cavitys with main cavity employing screw rod, flange.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101689865A CN102242978A (en) | 2010-05-11 | 2010-05-11 | Solar heat collector system for solar heat power generation and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101689865A CN102242978A (en) | 2010-05-11 | 2010-05-11 | Solar heat collector system for solar heat power generation and manufacturing method thereof |
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| CN102242978A true CN102242978A (en) | 2011-11-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589192A (en) * | 2011-12-15 | 2012-07-18 | 杭州英若飞科技有限公司 | Three-in-one solar air-conditioning system |
| CN103968573A (en) * | 2013-01-28 | 2014-08-06 | 大厂菲斯曼太阳能集热器有限公司 | Heat transmission method, heat transmission system and manufacture method for vacuum solar water heating system |
| CN111412664A (en) * | 2020-03-27 | 2020-07-14 | 汪洋 | Method for manufacturing solar water heater |
-
2010
- 2010-05-11 CN CN2010101689865A patent/CN102242978A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589192A (en) * | 2011-12-15 | 2012-07-18 | 杭州英若飞科技有限公司 | Three-in-one solar air-conditioning system |
| CN103968573A (en) * | 2013-01-28 | 2014-08-06 | 大厂菲斯曼太阳能集热器有限公司 | Heat transmission method, heat transmission system and manufacture method for vacuum solar water heating system |
| CN111412664A (en) * | 2020-03-27 | 2020-07-14 | 汪洋 | Method for manufacturing solar water heater |
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Application publication date: 20111116 |