CN201724193U - Solar steam generating device - Google Patents
Solar steam generating device Download PDFInfo
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- CN201724193U CN201724193U CN2010201391283U CN201020139128U CN201724193U CN 201724193 U CN201724193 U CN 201724193U CN 2010201391283 U CN2010201391283 U CN 2010201391283U CN 201020139128 U CN201020139128 U CN 201020139128U CN 201724193 U CN201724193 U CN 201724193U
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- oil
- steam
- steam generator
- solar
- steam generating
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model provides a solar steam generating device which is simple in structure, low in manufacturing cost and high in energy utilization rate and can continuously supply steam. The device comprises a heat collecting system, a steam generating system and a control system, wherein the heat collecting system comprises a solar heat collector and a heat conducting oil high-position oil reservoir; the heat conducting oil high-position oil reservoir is provided with an oil outlet connected with an oil conveying pump; the steam generating system comprises two steam generators which are mutually independent; each steam generator is internally provided with a coil pipe used for heat exchange; an oil inlet port of the coil pipe is connected with the oil conveying pump by a control valve, and an oil outlet port thereof is connected with the heat conducting oil high-position oil reservoir; each steam generator is used for conveying steam outside by the control valve arranged at a steam output hole; and the control system comprises sensors arranged in the steam generators. By adopting the working mode of using the two steam generators to alternately convey steam, the solar steam generating device not only greatly reduces the power output of a water supply pump, but also guarantees the continuity of steam output, is reasonable in structure, low in manufacturing cost and high in energy utilization rate, and is especially suitable for providing continuous high-temperature and high-pressure steam for a heating installation or a power generation device.
Description
Technical field
The utility model relates to a kind of steam raising plant, relates in particular to the device that a kind of heat of utilizing solar energy produces steam, more specifically relates to the solar steam generating device that a kind of heat that absorbs solar energy by heat-conducting medium produces steam.
Background technology
Along with the progress of expanding economy, society, people propose more and more higher requirement to the energy, and seeking new forms of energy becomes the urgent problem that current mankind faces.Solar energy has been used as a kind of optimal new forms of energy and progressively has been applied owing to pollution-free, safe and sustainable use.The solar water heater that utilizes the heat of solar energy to produce hot water is used widely, and utilizes the heat of solar energy to produce steam to replace the existing steam boiler that adopts the fuel heating, progressively is applied.The steam boiler that the existing heat of utilizing solar energy produces steam has two kinds of forms, and a kind of is that direct water is cooked heat-transfer working medium, heats up and become steam in the heat back that water absorbs solar energy; Another kind of form is the heat that absorbs solar energy by heat-conducting medium, and heat-conducting medium is by steam generator and water generation heat exchange, and water is heated and becomes steam again.From disclosed document as can be seen, existing solar energy steam boiler, no matter be that direct water is cooked heat-transfer working medium or done heat-transfer working medium with heat-conducting medium, the mode of its delivering vapor generally all is a discontinuous, continuous if desired steam supply, its structure all is to carry out replenishing of moisture in steam output, because the generation of steam must increase the pressure in pipeline and the cavity, thereby provide the supply-water pump at water source for pipeline and cavity, power must be very big, the energy that obtains of fuel savings must major part be used for to water pump provides power like this, certainly will cause utilization efficiency of energy very low.
Summary of the invention
For overcoming the problem of above existence, the purpose of this utility model provides a kind of simple in structure, low cost of manufacture, energy utilization rate height, and solar steam generating device that can steam without interruption.
For realizing above purpose, solar steam generating device of the present utility model comprises collecting system, steam generating system and control system; It is characterized in that: described collecting system comprises solar thermal collector that is filled with conduction oil and the high-order oil conservator of conduction oil that is positioned on the solar thermal collector, solar thermal collector is connected by the high-order oil conservator of petroleum pipeline and conduction oil, and the high-order oil conservator of conduction oil is provided with the oil-out that is connected with oil transfer pump; Described steam generating system is made of two separate steam generators, be provided with the coil pipe that is used to carry out heat exchange in each steam generator, the oil-feed port of coil pipe by control valve be connected with oil transfer pump, fuel-displaced port is connected by the high-order oil conservator of petroleum pipeline and conduction oil, each steam generator is by the set outside delivering vapor of control valve of steam outlet, and each steam generator also is provided with the water inlet that is connected with supply-water pump; Described control system comprises the sensor that is arranged in the steam generator.
For the influence that the pressure of eliminating conduction oil thermal expansion generation causes tank skin, the high-order oil conservator of above-mentioned conduction oil top is provided with the expander that is used to regulate the oil conservator volume.
Above-mentioned solar thermal collector is a plurality of, and each heat collector constitutes by many vacuum coated glass pipes are in parallel, and every vacuum coated glass pipe bottom is equipped with the arc minute surface, the sealing of glass tube one end, and the other end is connected with the petroleum pipeline that leads to the high-order oil conservator of conduction oil.
The above-mentioned sensor that is arranged in the steam generator is pressure sensor and liquid level sensor.
The high-order oil conservator of above-mentioned conduction oil is provided with temperature sensor, and this temperature sensor is connected with described control system.
In order to guarantee that conduction oil has sufficiently long stroke in steam generator, make heat exchange more abundant, the coil pipe in the above-mentioned steam generator is provided with several layers from top to bottom, and every layer is surrounded with some circles from the inside to surface.
In order to make the water inlet in the steam generator more smooth and easy, above-mentioned steam generator also is provided with air exhaust port, and this exhaust outlet is connected with the recirculated water preheater by blast pipe, and blast pipe is provided with control valve.
In order to reduce scattering and disappearing of heat, the better conversion efficiency of thermoelectric that improves solar energy, the periphery of the junction of vacuum coated glass pipe and petroleum pipeline, oil transfer pump, petroleum pipeline, supply-water pump, water-supply-pipe, the high-order oil conservator of conduction oil and steam generator is equipped with adiabator layer in the above-mentioned heat collector.
In order to guarantee to obtain heating rapidly after the conduction oil that steam generator comes out enters the high-order oil conservator of conduction oil, the oil-in that the oil inlet and outlet that the high-order oil conservator of above-mentioned conduction oil is connected with the solar thermal collector petroleum pipeline is positioned at bottom that the bottom of oil conservator, the inlet that is connected with the fuel-displaced port of steam generator coil pipe be positioned at oil conservator, be connected with oil transfer pump is positioned at the top of oil conservator.
The steam outlet of above-mentioned steam generator and air exhaust port are positioned at the top of steam generator, and water inlet is positioned under the air exhaust port.
Solar steam generating device of the present utility model, the medium that adopts conduction oil to transmit as heat, in collecting system, utilize the outwards upwards diffusion of the high conduction oil of temperature, the downward endosmosis of the conduction oil that temperature is low, both form free convection, thereby reduce the required power of collecting system conduction oil circulation; And adopt two independently steam generator take turns and change jobs, promptly in a steam generator output high steam, another steam generator carries out moisturizing and heating under lower pressure, when reaching one, water vapor pressure regularly just begins to export steam, the output of supply-water pump power can not only be reduced like this, and the output of steam continuous uninterrupted can be guaranteed; In steam generator, adopt coil pipe as heat exchanger, and adopt oil transfer pump to carry conduction oil to coil pipe, both can increase the stroke of conduction oil in steam generator, can quicken the speed of conduction oil circulation again, guarantee that coil pipe outer water or steam are heated evenly and rapidly, can produce the steam of a large amount of high temperature, high pressure in a short period of time.Solar steam generating device of the present utility model, rational in infrastructure, low cost of manufacture, the energy utilization rate height is particularly suitable for providing continuously high temperature, high steam for heating installation or TRT.
Description of drawings
Fig. 1 is the planar structure schematic diagram of the utility model solar steam generating device.
Fig. 2 is the schematic diagram of heat collector cross-section structure.
Fig. 3 is the structural representation of the high-order oil conservator of conduction oil.
Fig. 4 is the structural representation of steam generator.
The specific embodiment
As shown in Figure 1, solar steam generating device of the present utility model is made of collecting system 1, steam generating system 2 and three parts of control system (not marking among the figure);
Collecting system 1 constitutes the heat collector assembly by a plurality of solar thermal collector parallel connections and constitutes with the high-order oil conservator 13 of conduction oil that is positioned on the solar thermal collector assembly, (in order to save space, the solar thermal collector 11 that only draws herein and be provided with about two, 12), this heat collector is by many vacuum coated glass pipes 111,121 formations laterally in parallel, every vacuum coated glass pipe bottom is equipped with arc minute surface 101, the arc minute surface can be manually or from the motion tracking sunshine, the sealing of glass tube one end, the other end and petroleum pipeline 112,122 connect, falling heat-transfer oil in vacuum coated glass pipe and the petroleum pipeline, high-order oil conservator top is provided with expander 131, expander is used to regulate the volume of oil conservator, the pressure that during with the thermal expansion of minimizing conduction oil the oil storage wall is produced, high-order oil conservator two bottom sides is provided with oil inlet and outlet 132,133, respectively with the petroleum pipeline 112 of two solar thermal collectors, 122 connect, the both sides, bottom of high-order oil conservator are provided with oil-in 134,135, top is provided with oil-out 136, this oil-out is connected with an oil transfer pump 14 by petroleum pipeline, as Fig. 1,2, shown in 3;
Control system comprises sensor and the central processing unit (not marking among the figure) that is arranged in above-mentioned each system, in order to guarantee that just conduction oil enters steam generator at a certain temperature and carries out heat exchange, high-order oil conservator is provided with temperature sensor, central processing unit according to temperature sensor monitors to the oil temperature oil transfer pump 14 and control valve 212,222 are controlled; Just in order to guarantee to export after the steam pressure of exporting reaches certain atmospheric pressure, be provided with pressure sensor in the steam generator, central processing unit according to pressure sensor monitoring to steam pressure the control valve 217,227 of steam outlet is controlled, and for timely moisturizing, also be provided with liquid level sensor and level probe in the steam generator, central processing unit is controlled the switch of supply-water pump 43, the control valve 218,228 of water inlet and the control valve 219,229 of exhaust outlet by liquid level sensor; In addition, the circuit design of solar steam generating device of the present invention is, the control valve of two steam generator steam outlets be out one close the wheel change jobs, promptly the steam (vapor) outlet control valve when the left side steam generator is in open mode, the steam (vapor) outlet control valve of right side steam generator just is in closed condition, vice versa.
In the junction of vacuum coated glass pipe and petroleum pipeline, the periphery of the high-order oil conservator of conduction oil, oil transfer pump, petroleum pipeline, steam generator, supply-water pump, water-supply-pipe and appendix is equipped with adiabator layer 5.
The operation principle of the utility model solar steam generating device is: in the time of The sun came up, the vacuum coated glass pipe is penetrated by illumination to absorb heat the conduction oil in the pipe is heated up rapidly, because the conduction oil of heat outwards moves upward, unheated conduction oil is inwardly motion downwards, both interpenetrate, form free convection, the conduction oil that temperature is high constantly enters high-order oil conservator, the conduction oil that temperature is low flows to the vacuum coated glass pipe, meanwhile, the water inlet control valve and the exhaust outlet control valve of two steam generators are opened simultaneously, supply-water pump adds water to two steam generators simultaneously, when the liquid level sensor in the steam generator monitored predetermined level value, water inlet control valve and exhaust outlet control valve were closed simultaneously, and supply-water pump quits work; When the temperature of conduction oil in the high-order oil conservator reaches 160 ℃, oil transfer pump is started working, the control valve of two steam generator coil pipe oil-feed ports is opened simultaneously, temperature reaches and after 160 ℃ conduction oil constantly flows into coil pipe the water in the steam generator is heated, when the pressure sensor monitoring in the steam generator when the pressure of steam reaches 3 atmospheric pressure, the steam outlet of left side steam generator, the control valve of coil pipe oil-feed port are closed simultaneously, the control valve of right side steam generator steam outlet is opened, outwards delivering vapor; When the pressure sensor monitoring of right side steam generator to the pressure of steam during less than 3 atmospheric pressure, the control valve of the control valve of steam generator steam outlet, coil pipe oil-feed port is closed simultaneously, the control valve of left side steam generator steam outlet, the control valve of coil pipe oil-feed port are opened simultaneously, by the outside delivering vapor of left side steam generator; Meanwhile, the water inlet control valve and the exhaust outlet control valve of right side steam generator are opened simultaneously, supply-water pump starts, when liquid level sensor monitors predetermined level value, water inlet control valve and exhaust outlet control valve are closed simultaneously, and the control valve of coil pipe oil-feed port is opened, and high temperature heat conductive oil enters the water heating of coil pipe to steam generator, when pressure sensor monitoring when the pressure of steam reaches 3 atmospheric pressure, the control valve of coil pipe oil-feed port is closed; Delivering vapor of left and right sides steam generator like this, one is carried out the moisturizing heating, and two wheels change jobs, and the process that whole steam is carried is finished in circulation repeatedly.
Claims (10)
1. a solar steam generating device comprises collecting system, steam generating system and control system; It is characterized in that: described collecting system comprises solar thermal collector that is filled with conduction oil and the high-order oil conservator of conduction oil that is positioned on the solar thermal collector, solar thermal collector is connected by the high-order oil conservator of petroleum pipeline and conduction oil, and the high-order oil conservator of conduction oil is provided with the oil-out that is connected with oil transfer pump; Described steam generating system is made of two separate steam generators, be provided with the coil pipe that is used to carry out heat exchange in each steam generator, the oil-feed port of coil pipe by control valve be connected with oil transfer pump, fuel-displaced port is connected by the high-order oil conservator of petroleum pipeline and conduction oil, each steam generator is by the set outside delivering vapor of control valve of steam outlet, and each steam generator also is provided with the water inlet that is connected with supply-water pump; Described control system comprises the sensor that is arranged in the steam generator.
2. solar steam generating device according to claim 1 is characterized in that: the high-order oil conservator of described conduction oil top is provided with the expander that is used to regulate the oil conservator volume.
3. solar steam generating device according to claim 2, it is characterized in that: described solar thermal collector is a plurality of, each heat collector constitutes by many vacuum coated glass pipes are in parallel, the bottom of every vacuum coated glass pipe is equipped with the arc minute surface, the sealing of glass tube one end, the other end is connected with the petroleum pipeline that leads to the high-order oil conservator of conduction oil.
4. solar steam generating device according to claim 3 is characterized in that: the described sensor that is arranged in the steam generator is pressure sensor and liquid level sensor.
5. solar steam generating device according to claim 4 is characterized in that: the high-order oil conservator of described conduction oil is provided with temperature sensor, and this temperature sensor is connected with described control system.
6. according to claim 4 or 5 described solar steam generating devices, it is characterized in that: the coil pipe in the described steam generator is provided with several layers from top to bottom, and every layer is surrounded with some circles from the inside to surface.
7. according to claim 4 or 5 described solar steam generating devices, it is characterized in that: described steam generator also is provided with air exhaust port, and this exhaust outlet is connected with blast pipe by control valve.
8. according to claim 4 or 5 described solar steam generating devices, it is characterized in that: the periphery of the junction of vacuum coated glass pipe and petroleum pipeline, oil transfer pump, petroleum pipeline, supply-water pump, feed pipe, the high-order oil conservator of conduction oil, steam generator is equipped with adiabator layer in the described heat collector.
9. according to claim 4 or 5 described solar steam generating devices, it is characterized in that: the oil inlet and outlet that the high-order oil conservator of described conduction oil is connected with the solar thermal collector petroleum pipeline is positioned at that the bottom of oil conservator, the inlet that is connected with the fuel-displaced port of steam generator coil pipe are positioned at the bottom of oil conservator, the oil-in that is connected with oil transfer pump is positioned at oil conservator top.
10. according to claim 4 or 5 described solar steam generating devices, it is characterized in that: the steam outlet of described steam generator and air exhaust port are positioned at the top of steam generator, and water inlet is positioned under the air exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201391283U CN201724193U (en) | 2010-03-16 | 2010-03-16 | Solar steam generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201391283U CN201724193U (en) | 2010-03-16 | 2010-03-16 | Solar steam generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724193U true CN201724193U (en) | 2011-01-26 |
Family
ID=43492528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201391283U Expired - Lifetime CN201724193U (en) | 2010-03-16 | 2010-03-16 | Solar steam generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724193U (en) |
-
2010
- 2010-03-16 CN CN2010201391283U patent/CN201724193U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
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| CX01 | Expiry of patent term |