CN103115444A - Outer heat-preserving cover device of cylinder body heat absorber - Google Patents
Outer heat-preserving cover device of cylinder body heat absorber Download PDFInfo
- Publication number
- CN103115444A CN103115444A CN2012105147817A CN201210514781A CN103115444A CN 103115444 A CN103115444 A CN 103115444A CN 2012105147817 A CN2012105147817 A CN 2012105147817A CN 201210514781 A CN201210514781 A CN 201210514781A CN 103115444 A CN103115444 A CN 103115444A
- Authority
- CN
- China
- Prior art keywords
- heat
- warm case
- heat dump
- outer stay
- absorber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention discloses an outer heat-preserving cover device of a cylinder body heat absorber. The outer heat-preserving cover device of the cylinder body heat absorber comprises an absorber. A heat absorbing tower is arranged on the heat absorber. The outer heat-preserving cover device of the cylinder body heat absorber is characterized in that an outer heat-preserving cover is arranged on the periphery of the heat absorber and a gap exists between the outer heat-preserving cover and the heat absorber. A lifting device is arranged on the outer heat-preserving cover, and a guide limit device is arranged between the outer heat-preserving cover and the heat absorber or an absorbing tower. The lifting device comprises a motor, a winch, a steel rope and a pulley block. The absorbing tower is provided with the motor and the winch which is connected with the motor. The other end of the steel rope which is connected with the winch is connected with the outer heat-preserving cover through the pulley block which is fixed on the support. The guide limit device comprises a plurality pairs of guide wheels which are fixed on the inner side of the upper end of the outer heat-preserving cover and on the inner side of the lower end of the outer heat-preserving cover and guide rails which are arranged on the absorbing tower which corresponds to the guide wheels. The outer heat-preserving cover device of the cylinder body heat absorber reduces dissipation loss of the absorber to the environment to the maximum extent, reduces thermal fatigue stress of a solar energy absorber, improves security of the system and greatly prolongs service lift of the absorber and other devices.
Description
Technical field
The present invention relates to the high warm generation technology of technical field of solar utilization technique, especially relate to a kind of outer stay-warm case device of column-shape showering heat dump.
Background technology
The high warm generation technology of solar energy is the important directions that solar energy utilizes, and usually is divided into three kinds of slot type, tower, dish formulas according to the difference of the type of focusing.And the tower type thermal generation technology receives much attention with the characteristics such as its large capacity, high parameter, long accumulation of heat.Common tower type thermal generation heat dump structure has two kinds of cavity type and column-shape showerings:
The cavity type heat dump is that inner surface is heated, and is little to empty aperture area, the thermal efficiency is higher; But the heat load distribution of inner surface is inhomogeneous, easily causes the generation of heating surface overtemperature tube burst accident; The type heat dump structure relative complex, give to make to process and also bring certain difficulty simultaneously.
The cylindrical heat dump is for being subjected to the light type outward, and large to empty area due to outer surface dispel the heat higher, so the thermal efficiency is a little less than the heat dump of cavity type structure; But its structure is relatively simple, and is easy to process, and the outer surface heat load distribution of column-shape showering heat dump is more easy to control simultaneously, moves safer.
Relevant research surface: the thermal efficiency of heat dump can improve along with the increase of surface thermal load intensity, and the shared ratio regular meeting of radiator portion reduces gradually; Therefore for jumbo tower heat dump, adopt the column-shape showering heat dump also can reach higher efficient.
The heat-absorbing medium of tower type thermal generation adopts fused salt, water/water vapour, organic working medium, liquid metal etc. usually, and the solar energy characteristic that day alternates with night has been brought many difficulties to the operation of endothermic system.Take the fused salt heat-carrying agent as example, due to the freezing point of fused salt higher (solar molten salt freezing point commonly used is higher than 200 ℃) usually, solidify for preventing fused salt, under night, wet weather or the weather condition such as cloudy, must emptying heat dump and the interior fused salt of pipeline; And when the solar radiation condition satisfies, need that again pipeline, heat dump etc. is carried out preheating and (usually adopt the electric tracing mode, this can improve the station service power consumption rate of solar electrical energy generation unit), when heat absorber system reaches certain temperature, then the circulation of setting up salt melting system.
To this start and stop frequently of solar heat power apparatus, charge, not only increased the difficulty of operation, also to consume for the preheating of system a large amount of electric energy, the fatigue stress of alternation can shorten the service life of the thermal devices such as heat dump simultaneously.
Summary of the invention
The present invention solves the existing deficiency of prior art, thereby develops a kind of simple in structurely, and heat insulation effect is desirable, the outer stay-warm case device of easy to operate column-shape showering heat dump.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of outer stay-warm case device of column-shape showering heat dump, include heat dump, the heat absorption pylon is housed on heat dump, it is characterized in that: described heat dump surrounding is equipped with the outer stay-warm case that certain interval is arranged with it, on described outer stay-warm case, lowering or hoisting gear is housed, between described outer stay-warm case and heat dump or heat absorption pylon, guide position limiter is housed.Form the cavity of sealing between outer cover and heat dump, can reduce thus the radiation loss of heat dump.Outer stay-warm case can also play rainproof, dustproof effect to heat dump, delays thus the aging of heat dump face coat, and this is also useful to the efficient state that keeps heat dump.
Technical scheme of the present invention can also be further perfect:
As preferably, described lowering or hoisting gear comprises motor, capstan winch, wirerope and assembly pulley; Motor and the capstan winch that is connected with motor are installed on described heat absorption pylon, and the other end that is connected to the wirerope on capstan winch is connected on outer stay-warm case by the assembly pulley that is fixed on support.
As preferably, be provided with upper and lower seal groove at the upper/lower terminal of heat dump, described upper seal groove matches with the upper port of outer stay-warm case, and lower seal groove cavity matches with the lower port of outer stay-warm case.When outer stay-warm case dropped to the outside of heat dump, two ends up and down and the seal groove of outer stay-warm case were combined closely, and formed the cavity of sealing between outer cover and heat dump, can reduce thus the radiation loss of heat dump.
As preferably, described seal groove adopts the profile of tooth seal.
As preferably, described guide position limiter comprise be fixed on that outer stay-warm case upper end is inboard, the seal groove outside is some to directive wheel on heat dump, on heat absorption pylon corresponding with directive wheel, track-type facilities is installed.When stay-warm case moved up and down outside, directive wheel and guide rail can play position-limiting action, made the movement of the outer stay-warm case of heat dump more steady, the location is more accurate.
As preferably, described outer stay-warm case consists of by supporting backplate and covering the insulation material that supports on backplate.
When heat dump worked, outer stay-warm case was fixed in above heat dump by above-mentioned mechanical device; And under the weather conditions without solar radiation such as night, outer stay-warm case is put down by above-mentioned mechanical device, and is fixed in the outside of heat dump; The sealing device that special construction is arranged between outer protecting cover and heat dump forms the cavity of sealing between making both, to reduce heat dump to the radiation loss of environment.
Beneficial effect of the present invention is:
(1) special construction of outer stay-warm case can form seal cavity between it and heat dump, has reduced to greatest extent the radiation loss of heat dump to environment, therefore only need to provide less energy just can keep the relatively stable of endothermic system temperature;
(2) outer stay-warm case has good rainproof, dust-proof effect to heat dump, and the coating on heat dump surface is had good protective effect, makes the hot property of heat dump remain on a higher state;
(3) shorten the start-up course of solar energy system, extended the generating dutation of solar energy system, reduced simultaneously the power consumption of system warm-up, can improve thus total electric weight output of solar power station;
(4) outer stay-warm case device has changed the frequent start-stop characteristic of solar energy system, has reduced the heat fatigue stress of solar heat absorber, has promoted Security of the system, can greatly improve thus the service life of the devices such as heat dump.
The outer stay-warm case apparatus structure of column-shape showering heat dump is simple, easy to operate, can produce good insulation, protection effect when heat dump quits work, and makes heat dump be in the hot stand-by duty of high temperature.When the solar radiation condition satisfies, can drop into fast heat dump like this, increase the generating dutation of system, the minimizing system is used for the power consumption of preheating.This insulation simultaneously, protector have thoroughly changed the operating characteristic of solar heat absorber frequent start-stop, have reduced heat fatigue stress, have extended the service life of heat dump, have promoted Security of the system.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Structural representation when accompanying drawing 2 is another kind of state of the present invention.
Description of reference numerals: 1, seal groove, 2, heat dump, 3, upper seal groove, 4, outer stay-warm case, 5, assembly pulley, 6, motor, 7, capstan winch, 8, the heat absorption pylon, 9, wirerope, 10, directive wheel.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
When the outer stay-warm case device of column-shape showering heat dump as shown in the figure, Fig. 1 were solar heat absorber work, outer stay-warm case device was in high-order floating state; Fig. 2 is solar heat absorber when being in stand-by state, and external heat preserving device is combined with heat dump, and heat dump is played insulation, protective action.
In the outside of column-shape showering heat dump, the outer stay-warm case of a kind of special construction of design, and be installed on heat absorption pylon top by mechanical devices such as directive wheel, assembly pulley, capstan winches.When heat dump worked, outer stay-warm case was fixed in above heat dump by above-mentioned mechanical device; And under the weather conditions without solar radiation such as night, outer stay-warm case is put down by above-mentioned mechanical device, and is fixed in the outside of heat dump; The sealing device of special construction is arranged between stay-warm case and heat dump outside, form the cavity of sealing between making both, to reduce heat dump to the radiation loss of environment.
The concrete structure of device: include heat dump 2, heat absorption pylon 8 is housed on heat dump, described heat dump surrounding is equipped with the outer stay-warm case 4 that certain interval is arranged with it, described outer stay-warm case consists of by supporting backplate and covering the insulation material that supports on backplate, on described outer stay-warm case 4, lowering or hoisting gear is housed, between described outer stay-warm case 4 and heat dump 2 or heat absorption pylon 8, guide position limiter is housed.
Described lowering or hoisting gear comprises the motor 6 at the top that is arranged on the heat absorption pylon, the capstan winch 7 that is connected with motor, and the wirerope 9 that is connected on capstan winch is connected on outer stay-warm case 4 by the assembly pulley 5 that is fixed on support.
Upper/lower terminal at described heat dump 2 is provided with the upper and lower seal groove 3,1 that adopts the profile of tooth seal, and described upper seal groove 3 matches with the upper port of outer stay-warm case, and lower seal groove cavity 1 matches with the lower port of outer stay-warm case.
Described guide position limiter comprise be fixed on that outer stay-warm case 4 upper ends are inboard, the directive wheel 10 in seal groove 3 outsides on heat dump 2, with the track-type facilities of installing on the heat absorption pylon corresponding with directive wheel.
Normal workflow of the present invention is described below:
At dusk or have under the condition of cloud, when heat dump 2 is about to quit work, remove the solar facula on heat dump 2 surfaces, motor 6 drives capstan winches 7 and rotates, and unclamps wirerope 9 with suitable speed, and outer stay-warm case 4 gravitates fall gradually.Outside the inboard, upper end and upper seal groove of outer stay-warm case 4, directive wheel 10 is installed, on heat dump pylon 8, guide rail is installed.Directive wheel 10 and guide rail can limit the track that outer stay-warm case 4 falls, and avoid outer stay-warm case 4 to produce and swing.When outer stay-warm case 4 dropped to upper seal groove 3 and lower seal groove cavity 1 position, the limit switch action made motor stalling.This moment, outer stay-warm case 4 was combined closely with heat dump 2, and formed airtight air blanketing between both, can reduce thus the radiation loss of 2 pairs of environment of heat dump.The interior heat-carrying working medium of heat dump this moment still keeps recurrent state, to make up the radiation loss of 2 pairs of environment of heat dump, the temperature of heat dump and associated ping can be kept relative stability.Because the radiation loss of heat dump 2 is little, so the heat-carrying working medium circulation can remain under a less flow and realize, can reduce thus working medium and drive the energy that consumes.
When the solar radiation condition satisfies (morning or cloud amount shift out Jing Chang after), can realize that outer stay-warm case 4 rapid movings are from heat dump 2.Be in the hot stand-by duty of high temperature due to heat absorber system always, therefore can drop into fast heliostat, make system return to normal operating conditions.
Detailed process is:
Motor 6 drives capstan winch 7 and rotates, and tightens up wirerope 9, and the outer stay-warm case 4 of suspention on assembly pulley 5 is promoted gradually, stops after the arrival limit positions.Can drop into fast heliostat system according to the load up requirement after heat dump 2 exposes, make system enter into as early as possible the normal power generation state.
During heat dump quits work, in order to keep the normal temperature of heat dump and pipeline, can realize with the mode of heat-carrying agent (fused salt etc.) low discharge circulation, the endless form of this low discharge can reduce operation energy consumption.When normally starting in the morning, remove the outer stay-warm case of outer heat dump by above-mentioned relevant servicing unit, just can make heat dump put into immediately the state of normal operation.Can shorten the start-up time of heat absorber system thus, increase the generating dutation of solar power station; The startup stage of simultaneously, the electric energy of pipeline and the pre-heat loss of heat dump greatly reduces; More crucial is heat dump and associated pipe no longer experience frequent starting and the cold and hot stress that brings, the life-span that can greatly improve thus heat absorber system.
Claims (6)
1. the outer stay-warm case device of a column-shape showering heat dump, include heat dump, the heat absorption pylon is housed on heat dump, it is characterized in that: described heat dump surrounding is equipped with the outer stay-warm case that certain interval is arranged with it, on described outer stay-warm case, lowering or hoisting gear is housed, between described outer stay-warm case and heat dump or heat absorption pylon, guide position limiter is housed.
2. the outer stay-warm case device of column-shape showering heat dump according to claim 1, it is characterized in that: described lowering or hoisting gear comprises motor, capstan winch, wirerope and assembly pulley; Motor and the capstan winch that is connected with motor are installed on described heat absorption pylon, and the other end that is connected to the wirerope on capstan winch is connected on outer stay-warm case by the assembly pulley that is fixed on support.
3. the outer stay-warm case device of column-shape showering heat dump according to claim 1 and 2, it is characterized in that: the upper/lower terminal at heat dump is provided with upper and lower seal groove, described upper seal groove matches with the upper port of outer stay-warm case, and lower seal groove cavity matches with the lower port of outer stay-warm case.
4. the outer stay-warm case device of column-shape showering heat dump according to claim 3, is characterized in that: described seal groove employing profile of tooth seal.
5. the outer stay-warm case device of column-shape showering heat dump according to claim 1 and 2, it is characterized in that: described guide position limiter comprises directive wheel and track-type facilities; Described directive wheel is arranged on the seal groove outside on inboard, outer stay-warm case upper end and heat dump, and described track-type facilities is arranged on the heat absorption pylon corresponding with directive wheel.
6. the outer stay-warm case device of column-shape showering heat dump according to claim 1 and 2 is characterized in that: described outer stay-warm case consists of by supporting backplate and covering the insulation material that supports on backplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105147817A CN103115444A (en) | 2012-12-05 | 2012-12-05 | Outer heat-preserving cover device of cylinder body heat absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105147817A CN103115444A (en) | 2012-12-05 | 2012-12-05 | Outer heat-preserving cover device of cylinder body heat absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103115444A true CN103115444A (en) | 2013-05-22 |
Family
ID=48413860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105147817A Pending CN103115444A (en) | 2012-12-05 | 2012-12-05 | Outer heat-preserving cover device of cylinder body heat absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103115444A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712355A (en) * | 2013-12-25 | 2014-04-09 | 青海中控太阳能发电有限公司 | Efficient protective cover for tower-type solar heat absorber |
| CN104422148A (en) * | 2013-09-04 | 2015-03-18 | 中广核太阳能开发有限公司 | Column-type acceptor for solar tower-type thermal electricity generation and application method thereof |
| CN106918155A (en) * | 2017-03-09 | 2017-07-04 | 上海锅炉厂有限公司 | A kind of tower type solar heat dump protective cover |
| WO2018064900A1 (en) * | 2016-10-09 | 2018-04-12 | 海口未来技术研究院 | Near space aircraft pod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090139514A1 (en) * | 2007-11-01 | 2009-06-04 | Acktar Ltd. | Improved Solar Collector |
| CN201637178U (en) * | 2010-01-12 | 2010-11-17 | 蒋海啸 | Thermal insulation protective cover of solar water heater |
| CN202562069U (en) * | 2012-05-05 | 2012-11-28 | 大庆市海丰能源技术研究有限公司 | Double-ball solar energy gathering cooker |
| CN202973620U (en) * | 2012-12-05 | 2013-06-05 | 杭州锅炉集团股份有限公司 | External thermal-insulation cover device of cylindrical heat absorber |
-
2012
- 2012-12-05 CN CN2012105147817A patent/CN103115444A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090139514A1 (en) * | 2007-11-01 | 2009-06-04 | Acktar Ltd. | Improved Solar Collector |
| CN201637178U (en) * | 2010-01-12 | 2010-11-17 | 蒋海啸 | Thermal insulation protective cover of solar water heater |
| CN202562069U (en) * | 2012-05-05 | 2012-11-28 | 大庆市海丰能源技术研究有限公司 | Double-ball solar energy gathering cooker |
| CN202973620U (en) * | 2012-12-05 | 2013-06-05 | 杭州锅炉集团股份有限公司 | External thermal-insulation cover device of cylindrical heat absorber |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422148A (en) * | 2013-09-04 | 2015-03-18 | 中广核太阳能开发有限公司 | Column-type acceptor for solar tower-type thermal electricity generation and application method thereof |
| CN103712355A (en) * | 2013-12-25 | 2014-04-09 | 青海中控太阳能发电有限公司 | Efficient protective cover for tower-type solar heat absorber |
| CN103712355B (en) * | 2013-12-25 | 2016-03-30 | 青海中控太阳能发电有限公司 | A kind of tower type solar heat dump high efficient protected cover |
| WO2018064900A1 (en) * | 2016-10-09 | 2018-04-12 | 海口未来技术研究院 | Near space aircraft pod |
| CN106918155A (en) * | 2017-03-09 | 2017-07-04 | 上海锅炉厂有限公司 | A kind of tower type solar heat dump protective cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205693622U (en) | A kind of solar energy cell plate mounting bracket | |
| CN103115444A (en) | Outer heat-preserving cover device of cylinder body heat absorber | |
| CN204488462U (en) | A kind of electronlmobil constant-temperature battery | |
| CN207234728U (en) | It is a kind of can be from the photovoltaic power generation apparatus of motion tracking | |
| CN202973620U (en) | External thermal-insulation cover device of cylindrical heat absorber | |
| CN206349968U (en) | A kind of polycrystalline solar module | |
| CN202712288U (en) | Battery inner box and temperature control cabinet using battery inner box | |
| CN210639761U (en) | Flow guide device for intelligent traffic | |
| CN205657632U (en) | Solar double -axis automatic tracking system | |
| KR101503736B1 (en) | Atmosphere heat exchange system and atmosphere heat exchange system using thermal exchange method | |
| CN103398464A (en) | Instant-heating and storage electric water heater | |
| CN201355132Y (en) | Energy-storage type solar boiler | |
| CN207337243U (en) | A kind of oil temperature oil circulating pump | |
| CN107528536B (en) | Liquid type ice and snow prevention solar cell panel mechanism and ice prevention control method | |
| CN216345985U (en) | LED street lamp with monitoring device | |
| CN103954054A (en) | Device for preventing frozen blockage of molten salt heat absorber through wind-induced heat | |
| CN211204470U (en) | Heat transfer assembly of solar heat collector | |
| CN114337477A (en) | Intelligent thermoelectric and photovoltaic integrated thermal management system | |
| CN204661548U (en) | Electrode bar mounting structure | |
| CN205026963U (en) | Compound parabolic secondary reflecting mirror's slidable formula strutting arrangement | |
| CN102691259A (en) | Sunshading and illuminating device for bridges | |
| CN206782492U (en) | A kind of number suitable for Permafrost Area adopts instrument power supply, incubator | |
| CN203518282U (en) | Bidirectional heat exchange and storage system applied to trough type solar photo-thermal power generation | |
| CN204854385U (en) | Phase transition heat storage medium melting furnace agitating unit | |
| CN209894014U (en) | Supporting structure for disk-type upper water distributor of heat storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130522 |