CN2171821Y - Numerical controlled solar boiler with step temp. rising - Google Patents
Numerical controlled solar boiler with step temp. rising Download PDFInfo
- Publication number
- CN2171821Y CN2171821Y CN93240399U CN93240399U CN2171821Y CN 2171821 Y CN2171821 Y CN 2171821Y CN 93240399 U CN93240399 U CN 93240399U CN 93240399 U CN93240399 U CN 93240399U CN 2171821 Y CN2171821 Y CN 2171821Y
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- CN
- China
- Prior art keywords
- vacuum heat
- speculum
- absorbing pipe
- heat absorbing
- heat absorption
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- Expired - Fee Related
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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
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a numerical controlled solar boiler with step temperature rising, comprising a support frame, reflecting mirrors and vacuum heat absorption tubes. The utility model is characterized in that the vacuum heat absorption tubes are arranged at a position which is tangential with the arc focal plane of the arc reflecting mirrors, a plurality of reflecting mirrors are arranged, the relevant position of every reflecting mirror is provided with a vacuum heat absorption tube, and the vacuum heat absorption tubes are mutually connected in series; a main input end is connected with a numerical controlled circulating pump, and electromechanically integrative measuring and controlling mode is provided. The plurality of vacuum heat absorption tubes are connected in series in order to cause heat absorption working media to obtain required temperature rise, heat loss is few, and high-grade heat output can be obtained. The utility model can conveniently operate in the optimum state via the electromechanically integrative mode.
Description
A kind of step intensification numerically controlled solar boiler, it is a kind of device for converting solar energy, can be used in various industry and the civil solar harvester, in equipment such as solar electrical energy generation.
The universal utilization of solar energy is that one of important topic that solves is badly in need of in current society.Solar energy is a kind of clean, pollution-free and environment almost do not had a kind of good primary energy of influence, and effectively and the universal solar energy that utilizes of large tracts of land all be effectively to our survival environment and protection of resources.But in solar energy utilized, the most scabrous had following two problems.One of problem is that the energy-flux density energy that sunshine is with of unit are (in the unit interval by) of sunshine is not high, generally has only about 1 kilowatt every square metre.When directly utilizing transducer to absorb,, just must use large-area inverting element for obtaining bigger power output.Make heat-absorbing medium transducings such as water, because inverting element surface itself and the external world carrying out heat exchange (convection current and the width of cloth are penetrated), produce more thermal loss, so conversion efficiency are not high yet, and what obtain is more low-grade heat energy.Two of problem is sun positions on high with different constantly variation the in a day.Be to improve the energy-flux density of sunshine, can use various aggregating apparatus (as speculum etc.) that sunshine is concentrated, improve energy-flux density.But because the sun variation of middle position on high must use a cover tracking means to make the output of aggregating apparatus remain at transducer face.Use tracking means to make the complex structure of solar energy transducing head, bulky, and also the maintenance in using etc. also makes device operating cost increase.
The purpose of this utility model is a kind of step intensification numerically controlled solar boiler of invention, it goes without doing pursuit movement, and the middle grade heat energy of exportable higher temperature.
Structure of the present utility model as shown in Figure 1, it has support 1, speculum 2, vacuum heat absorbing pipe 3, speculum is the part on the face of cylinder, its central angle is near 180 °, support 1 supporting reflex mirror 2 makes its axis to be North and South direction and to make axis and the angle of horizontal plane equals to use the ground latitude value, it is characterized in that: the diameter of vacuum heat absorbing pipe 3 is that 1/3rd of speculum 2 body diameters arrive sixth, the installation axis of vacuum heat absorbing pipe 3 is parallel with the axis of speculum and on the radius of speculum arcuate midway point place, the following outer of vacuum heat absorbing pipe 3 is about 1/2nd speculum arc radius apart from the distance of speculum arcuate midway point on this radius, speculum 2 is a plurality of, be arranged side by side, on each speculum 2 relevant position, a vacuum heat absorbing pipe 3 is arranged, vacuum heat absorbing pipe 3 is connected mutually, be connected to numerical control circulating pump 4 at total input, be connected to heat exchanger 5 at total output, heat exchanger 5 heat absorption working medium delivery outlets link to each other with the input of numerical control circulating pump 4, heat-transfer working medium input and output mouth is arranged on the heat exchanger 5, at the heat-transfer working medium equipped at outlet port output temperature sensor 6 is arranged, total input end at the vacuum heat absorbing pipe 3 of connecting is equipped with temperature sensor 7, total output at the vacuum heat absorbing pipe 3 of connecting is equipped with temperature sensor 8, standard industrial control 10 is arranged, be inserted with in it and temperature sensor 6, the 7 measurement adaptation module 11 that link to each other with 8,12 and 13, also be inserted with and link to each other with the control end of numerical control circulating pump 4 and the control adaptation module 14 of its control, standard industrial control 10 by the standard serial communication interface with can link to each other with the shared central control computer 9 of miscellaneous equipment.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is the utility model vertical cross section.R is the speculum arc radius among the figure, and r is the radius of vacuum heat absorbing pipe 3, and H is the distances of the vacuum heat absorbing pipe 3 section centers of circle to the speculum circular arc center of circle.
Accompanying drawing 3 is the light reflection schematic diagram when angle was little between angle of incidence of sunlight degree and speculum pointed to.
Accompanying drawing 5 is cut apart the indentation structural representation for speculum at pointing direction.
Operation principle of the present utility model is as follows:
Under the promotion of numerical control circulating pump 4, heat absorption working medium circulates in each vacuum heat absorbing pipe 3 and heat exchanger 5.When heat absorption working medium is passed through, absorb the sunshine heat that absorbs by vacuum heat absorbing pipe 3 inwalls in vacuum heat absorbing pipe 3, the temperature of heat absorption working medium is risen.Because vacuum heat absorbing pipe 3 is connected, heat absorption working medium temperature by each vacuum heat absorbing pipe 3 time all rises.By a plurality of series connection, just can obtain our needed temperature rise.Temperature rises to temperature required absorption working medium finish endothermic process after, enter into heat exchanger 5, carry out heat exchange with heat-transfer working medium there, heat absorption sunshine heat that working medium absorbed passes to heat-transfer working medium, uses heat-transfer working medium output energy.
The utility model adopts arc reflector and cylindrical vacuum heat absorbing pipe, vacuum heat absorbing pipe is installed in and the tangent position of arc reflector circular arc focal plane, substantially all projects the surface of vacuum heat absorbing pipe after the sunlight light that shines speculum that the middle on high optional position of the sun is throwed is reflected.Because the surface area of vacuum heat absorbing pipe is penetrated the surface area of mirror 2 less than reflection, thereby has improved the average energy current density on vacuum heat absorbing pipe 3 surfaces.This can improve conversion efficiency, reduces cost.Because sunlight reflected projects circular arc focal plane place, need not to rotate speculum, it does not have moving component, and is simple in structure, Maintenance free.
The method that the utility model uses a plurality of vacuum heat absorbing pipes to connect reaches and makes heat absorption working medium obtain needed temperature rise.On the one hand, this can be avoided because single vacuum heat absorbing pipe produces the decrease in efficiency problem that big temperature rise brings.On the other hand, have only the heat absorption hot working fluid in a few vacuum heat absorption to be in the condition of high temperature, heat loss is few, can obtain the heat output than high-grade (temperature) under higher efficient.The utility model adopts by central control computer, standard industrial control and Qi Nei and is inserted various measurements and control adaptation module to the electromechanical integration mode that various measurements and control element carry out observing and controlling, makes the utility model can run on optimum state easily.
The number of the vacuum heat absorbing pipe 3 in the utility model can be two, three, four, and tens or tens, it is by the required temperature rise that reaches and adopt the long-pending decision of hot side.Requiring temperature rise, when adopting hot side long-pending big (require the power of output big), the number of vacuum heat absorbing pipe 3 also should be more, and optimum value in the time of too much, is made and is connected difficulty between 8～16, and the temperature rise of single vacuum heat absorbing pipe 3 increases when very few, the efficient reduction.
The method that adopts the secondary cycle heat supply is that heat absorption working medium is separated out the problem that the harmful substance fouling reduces operating efficiency when solving high-temperature heat supply.Adopt secondary cycle, heat absorption working medium can adopt the higher material of costs such as water through specially treated, makes the utility model can keep long-play.
A plurality of speculums 2 in the utility model can be a plurality of placed side by side on support, can also adopt as if the corrugated iron similar shapes, employing suppresses a plurality of spills corrugated on a whole thin plate, the corresponding monomer speculum 2 in each corrugated, in the utility model, the connection between each vacuum heat absorbing pipe 3 should be lacked as far as possible, can adopt snakelike connection, the upper end of two vacuum heat absorbing pipes 3 connects or the lower end connects.Junction between vacuum heat absorbing pipe 3 should use heat-insulating material to coat, to reduce heat loss.
In the utility model, the standard straight shape vacuum heat absorbing pipe that vacuum heat absorbing pipe 3 can adopt market to sell also can be made by oneself, adopt double-deck socket coiled pipe, the corresponding vacuum heat absorbing pipe of each straight flange, its skin is a clear glass, internal layer can be the glass that scribbles heat-absorbing material.Also can be aluminum pipe or the copper pipe of handling by blackout, between inner and outer pipes, vacuumize, to avoid heat loss through convection.
In the utility model, the radius of vacuum heat absorbing pipe 3 can be the speculum arc radius 1/3rd to sixth, be too greatly a kind of waste.Also reduced cumulative efficient, can not be too little, depart from speculum at position of sun and point to more for a long time too for a short time, can not guarantee to flash back the sunlight most to project the surface of vacuum heat absorbing pipe 3, and its best values is 1/4th.
In the utility model, the liquid pump that numerical control circulating pump 4 drives for the numerical control three terminal device.The numerical control three terminal device can use as the numerical control three terminal device of number of patent application as CN91101413.6, also can use as the numerical control three terminal device of the patent No. as CN91200002.Numerical control circulating pump 4 can also use as the Electromechanically integrated numerical control boiler feed pump of the patent No. as CN92209705.
In the utility model, standard industrial control 9 can be selected the I/O 32 of U.S. ME company (MECHATRONICEQUIPMENT INC.) for use, or the PB16AH of U.S. OPTO 22 companies.Central control computer 10 can be selected the LC4 controller of U.S. OPTO 22 companies for use, also can select the PCS-1 industrial process control work station of U.S. ME company for use, can also select common PC computer for use.Adaptation module 11,12 and 13 can adopt the AD3 or the similar A/D modular converter of OPTO 22 companies.Adaptation module 14 can be selected the DF3 or the similar D/F modular converter of OPTO 22 companies for use.
Claims (1)
1, a kind of step intensification numerically controlled solar boiler, it has support (1), speculum (2), vacuum heat absorbing pipe (3), speculum (2) is the part on the face of cylinder, its central angle is near 180 °, support (1) supporting reflex mirror (2) makes its axis to be North and South direction and to make axis and the angle of horizontal plane equals to use the ground latitude value, it is characterized in that: the diameter of vacuum heat absorbing pipe (3) is that 1/3rd of speculum (2) body diameter arrives sixth, the installation axis of vacuum heat absorbing pipe (3) is parallel with the axis of speculum and on the radius of speculum arcuate midway point place, the following outer of vacuum heat absorbing pipe on this radius (3) is about 1/2nd speculum arc radius apart from the distance of speculum arcuate midway point, speculum (2) is a plurality of, be arranged side by side, on each speculum (2) relevant position, a vacuum heat absorbing pipe (3) is arranged, vacuum heat absorbing pipe (3) is series connection mutually, be connected to numerical control circulating pump (4) at total input, be connected to heat exchanger (5) at total output, heat exchanger (5) heat absorption working medium delivery outlet links to each other with the input of numerical control circulating pump (4), heat-transfer working medium input and output mouth is arranged on the heat exchanger (5), at the heat-transfer working medium equipped at outlet port output temperature sensor (6) is arranged, total input end at the vacuum heat absorbing pipe (3) of connecting is equipped with temperature sensor (7), total output at the vacuum heat absorbing pipe (3) of connecting is equipped with temperature sensor (8), standard industrial control (10) is arranged, be inserted with in it and temperature sensor (6), (7) the measurement adaptation module (11) that links to each other with (8), (12) and (13), also be inserted with and link to each other with the control end of numerical control circulating pump (4) and to the control adaptation module (14) of its control, standard industrial control (10) links to each other with central control computer (9) that can be shared with miscellaneous equipment by the standard serial communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93240399U CN2171821Y (en) | 1993-09-25 | 1993-09-25 | Numerical controlled solar boiler with step temp. rising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93240399U CN2171821Y (en) | 1993-09-25 | 1993-09-25 | Numerical controlled solar boiler with step temp. rising |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2171821Y true CN2171821Y (en) | 1994-07-13 |
Family
ID=33814669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93240399U Expired - Fee Related CN2171821Y (en) | 1993-09-25 | 1993-09-25 | Numerical controlled solar boiler with step temp. rising |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2171821Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| CN103797312A (en) * | 2011-06-30 | 2014-05-14 | Ksb股份公司 | Solar field, arrangement with a plurality of solar fields and use of the solar field or the arrangement |
-
1993
- 1993-09-25 CN CN93240399U patent/CN2171821Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797312A (en) * | 2011-06-30 | 2014-05-14 | Ksb股份公司 | Solar field, arrangement with a plurality of solar fields and use of the solar field or the arrangement |
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |