CN203980983U - The two medium heat-storing devices of conduction oil/corundum ball - Google Patents
The two medium heat-storing devices of conduction oil/corundum ball Download PDFInfo
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- CN203980983U CN203980983U CN201420368577.3U CN201420368577U CN203980983U CN 203980983 U CN203980983 U CN 203980983U CN 201420368577 U CN201420368577 U CN 201420368577U CN 203980983 U CN203980983 U CN 203980983U
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- oil pipe
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model relates to the two medium heat-storing devices of a kind of conduction oil/corundum ball for solar energy high temperature photo-thermal heat reservoir and trough-electricity heat reservoir, comprise heat storage can, two cold oil pipes of outside pass-out at the bottom of heat storage can, have under a porous and bore cap in heat storage can inner bottom part spiral-lock, be equipped with oil pipe at heat storage can middle part, upper oil pipe suitable for reading is equipped with a conelet cap, two deep fat pipes outside pass-out heat storage can are housed on the tube wall of upper oil pipe, are built-in with the heat storage medium being formed by conduction oil and corundum ball bi-material at heat storage can; On heat storage can sidewall, be provided with liquid level control display, the top and bottom of liquid level control display are communicated with headroom, heat storage can top and heat storage can oil space respectively.In the utility model, adopt corundum ball as heat storage medium, unit volume amount of stored heat is large, can reduce the volume of two medium reservoir devices, and the rational deployment of the orderly convection current by heat storage can and cold oil pipe, deep fat pipe, can effectively improve system effectiveness.
Description
Technical field
The utility model content belongs to the simple field of Thermal Power Engineering equipment, relates to a kind of two medium heat-storing devices of conduction oil/corundum ball that are mainly used in high temperature photo-thermal heat reservoir and trough-electricity heat reservoir in solar energy.
Utility model content
The purpose of this utility model is that the problem that prior art is existed solves, provide a kind of rational in infrastructure, heat storage capacity is large, operating cost is low and the two medium heat-storing devices of conduction oil/corundum ball of long service life.
For achieving the above object and the technical solution adopting is such: the two medium heat-storing devices of conduction oil/corundum ball of providing comprise that a upper end has the vertical type heat storing tank of manhole, there is the lower oil pipe of a lower end closure in the downward pass-out in tank skin place, the end of heat storage can, outside two cold oil pipes of pass-out on the tube wall of lower oil pipe, there is a lower cone cap that is evenly distributed with multiple apertures on it in heat storage can inner bottom part spiral-lock, be equipped with oil pipe at heat storage can middle part, upper oil pipe suitable for reading is equipped with a conelet cap, two deep fat pipes outside pass-out heat storage can are housed on the tube wall of upper oil pipe, be built-in with the heat storage medium being formed by conduction oil and corundum ball (corundum heat-storing sphere) bi-material at the tank body of heat storage can, on heat storage can sidewall, be provided with liquid level control display, the upper end of liquid level control display and headroom, heat storage can top are communicated with, and the lower end of liquid level control display and heat storage can oil space are communicated with.
The further technical solution of the utility model comprises: the collar extension that is arranged at the first cold oil pipe in two cold oil pipes that are connected with lower oil pipe of outside at the bottom of heat storage can tank is communicated to the input port of the heat transfer oil heater that is located at tank body outside (solar energy high-temperature heat collection engineering), the collar extension of the second cold oil pipe is communicated to the delivery outlet of the hot equipment of tank body outer (solar energy high-temperature heat collection engineering), the first deep fat pipe in two deep fat pipes that passed by heat storage can tank body middle part is communicated to the delivery outlet of the heat transfer oil heater that is located at tank body outside, the second deep fat pipe is communicated to the input port of the hot equipment of tank body external application.
The further technical solution of the utility model also comprises: in heat storage can, corundum ball is filled to the minimum liquid level line place of liquid level control display.
The further technical solution of the utility model also comprises: be provided with aperture in lower cone crown portion.
The further technical solution of the utility model also comprises: safety valve and sensed pressure table are housed at the top of heat storage can, be also fitted with at the top of heat storage can by solenoid control for be filled with the nitrogen tube of nitrogen in tank.
Described in the utility model pair of medium heat-storing device is in real work, heat storage can is filled with after the heat storage medium being made up of conduction oil and corundum heat-storing sphere bi-material, in the time filling heat to heat storage can, the deep fat pipe (the first deep fat pipe) configuring on tank body and a cold oil pipe (the first cold oil pipe) form heating circulation system with heat transfer oil heater, cold oil is extracted out from tank body lower part, and deep fat is transported to heat storage can from deep fat pipe; And in the time of heat storage can heat release, another deep fat pipe (the second deep fat pipe) configuring on tank body and another cold oil pipe (the second cold oil pipe) and form the heat release circulatory system with hot equipment, deep fat is transported to and establishes the cold matter of neutralization by heat and carry out returning to heat storage can heat exchange temperature decline from deep fat pipe.The corundum heat-storing sphere adopting in described in the utility model pair of medium heat-storing material is made up of highly purified O3Al2, and its specific heat is 1000～1200J/kg.K, and proportion approximately 3.4 has the unit volume amount of stored heat that is better than existing solid dielectric material.
Compared with prior art, the beneficial effect the utlity model has is:
One, the heat storage medium in the utility model heat storage can is the two media of conduction oil/corundum ball, wherein adopts corundum ball unit volume amount of stored heat large, can reduce the volume of two medium reservoir devices;
Two, corundum ball appearance and size is fixed, and the uniform flow passage that accumulation forms in heat storage can, is conducive to conduction oil and corundum ball carries out heat exchange;
Three, corundum ball be in operation do not exist rotten, alternative 60% conduction oil heat accumulation, long-term use need not be changed, and saves operating cost;
Four, project organization of the present utility model is reasonable, heat storage capacity is large, operating cost is low and long service life, the rational deployment of the orderly convection current by heat storage can and cold oil pipe, deep fat pipe, can effectively avoid the phenomenon of heat-storage medium space temperature field skewness, improve system effectiveness.
Background technology
At present in the heat storage can equipment of solar energy high-temperature heat collection engineering, generally adopt conduction oil to make heat storage medium, with the sensible heat heat energy storage of 300 DEG C of conduction oils～400 DEG C of higher temperatures, and the pressure of heat accumulation tank body is less than 1.0MPa, though the feature of this low-voltage high-temperature has certain technical advantage, but conduction oil cost is high, at high temperature operation meeting aged deterioration for a long time, causes performance degradation, generally after operation certain hour (6～10 years), need more renew oil, cause operating cost to strengthen.In addition, the problem such as prior art also has that structural design is unreasonable in actual applications, heat-storage medium space temperature field skewness, thermal cycle utilization rate are low, these factors also have influence on the heat accumulation function of heat storage can equipment to a certain extent.How to improve heat storage can unit volume amount of stored heat, be that relevant technical staff in the field endeavours the problem solving for a long time always.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model.
In figure, each number designation title is respectively: 1-the first cold oil pipe, and 2-the second cold oil pipe, oil pipe under 3-, bores cap under 4-, 5-heat storage can, 6-heat-insulation layer, 7-corundum ball, 8-the first deep fat pipe, 9-the second deep fat pipe, the upper oil pipe of 10-, 11-conelet cap, 12-liquid level control display, 13-sensing temperature meter, 14-nitrogen cylinder, 15-manhole, 16-safety valve, 17-sensed pressure table, 18-nitrogen pot, 19-magnetic valve, 20-magnetic valve, 21-blow-down pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model content is described further.
Referring to Fig. 1, the two medium heat-storing devices of conduction oil/corundum ball described in the utility model have a upper end have manhole 15, sensed pressure table 17 etc. and in contain the vertical type heat storing tank 5 of heat storage medium, tank body outer surface is laid with heat-insulation layer 6.There is a lower oil pipe 3 in the downward pass-out in tank skin place, the end of heat storage can 5, outside two cold oil pipes of pass-out on the tube wall of lower oil pipe 3, wherein the collar extension of the first cold oil pipe 1 is communicated to the input port of the heat transfer oil heater that is located at tank body outside, and the collar extension of the second cold oil pipe 2 is communicated to the delivery outlet of the hot equipment of tank body external application.There is a lower cone cap 4 that is evenly distributed with multiple apertures on it in heat storage can 5 inner bottom part spiral-locks.Be provided with upper oil pipe 10 and the foraminate conelet cap 11 in its top of a lower end closed at heat storage can 5 middle parts, the external diameter of conelet cap 11 is less than the internal diameter of heat storage can 5, the suitable for reading of upper oil pipe 10 inserted in conelet cap 11, two deep fat pipes outside pass-out heat storage can 5 are housed on the tube wall of upper oil pipe 10, wherein the first deep fat pipe 8 is communicated to the delivery outlet of the heat transfer oil heater that is located at tank body outside, and the second deep fat pipe 9 is communicated to the input port of the hot equipment of tank body external application.On heat storage can 5 sidewalls, be provided with liquid level control display 12, the upper end of liquid level control display 12 and heat storage can 5 headrooms, top are communicated with, and the oily space of the lower end of liquid level control display 12 and heat storage can 5 is communicated with.The heat storage medium storing in heat storage can 5 is made up of conduction oil and corundum ball 7 bi-materials, conduction oil (when maximum temperature) is filled on fluid level controller 12 approximately 40 millimeters of positions under pipe nipple, liquid level when this is the interior conduction oil maximum temperature of tank, conduction oil minimum liquid level should be controlled within the scope of cold conditions liquid level 50～100mm; Corundum ball 7 is loaded height should be on conduction oil cold conditions liquid level line, i.e. the minimum liquid level line place of liquid level control display 12.In Fig. 1, label 14,18,21 is respectively nitrogen cylinder, nitrogen tube and blow-down pipe, and nitrogen cylinder 14 is connected with the top of heat storage can 5 through nitrogen tube 18, for be filled with nitrogen in tank, magnetic valve 19 is housed on this segment pipe; Blow-down pipe 21 is connected with nitrogen tube 18, and magnetic valve 20 is also housed on this segment pipe.Be respectively equipped with for sensing in the upper, middle and lower of heat storage can 5 sidewalls and show the sensing temperature meter 13 of heat storage medium temperature.Liquid level control display 12 on heat storage can 5, sensed pressure table 17, sensing temperature meter 13, magnetic valve 19,20 all access the automatic control system of solar energy high-temperature heat collection engineering.
In real work, heat storage can has been filled with after heat storage medium, and equipment is in the time filling heat, and heat storage can 5 and heat transfer oil heater are through pipeline and hot oil pump structure Heating Cyclic, and cold oil is transported to heat transfer oil heater heating from cold oil pipe, and deep fat enters heat storage can 5 through deep fat pipe; At work, there is a temperature front in oily space, and along with the rising of oil temperature, temperature front declines; The interface of oil and gas on oil space rises with the rising of temperature; Otherwise temperature front can rise in the time of heat release, the interface of oil and gas can decline.The pressure of the rising of the interface of oil and gas and decline headroom can change, pressure exceedes when setting value magnetic valve 20 and opens exhaust, and pressure is during lower than setting value, and magnetic valve 19 is opened to filling in tank and added nitrogen, because nitrogen is inert gas, thereby can effectively prevent deep fat oxidation deterioration.
Claims (5)
1. the two medium heat-storing devices of conduction oil/corundum ball, comprise that a upper end has the vertical type heat storing tank (5) of manhole (15), it is characterized in that: the lower oil pipe (3) that has a lower end closure in the downward pass-out in the tank skin place, the end of heat storage can (5), outside two cold oil pipes of pass-out on the tube wall of lower oil pipe (3), there is a lower cone cap (4) that is evenly distributed with multiple apertures on it in heat storage can (5) inner bottom part spiral-lock, be equipped with a upper oil pipe (10) at heat storage can (5) middle part, the conelet cap (11) that is equipped with suitable for reading of upper oil pipe (10), deep fat pipe outside two pass-out heat storage cans (5) is housed on the tube wall of upper oil pipe (10), be built-in with the heat storage medium being formed by conduction oil and corundum ball (7) bi-material at the tank body of heat storage can (5), on heat storage can (5) sidewall, be provided with liquid level control display (12), the upper end of liquid level control display (12) and heat storage can (5) headroom, top are communicated with, and the oily space of the lower end of liquid level control display (12) and heat storage can (5) is communicated with.
2. the two medium heat-storing devices of conduction oil/corundum ball according to claim 1, it is characterized in that: the collar extension that is arranged at the first cold oil pipe (1) in two cold oil pipes that are connected with lower oil pipe (3) of outside at the bottom of heat storage can (5) tank is communicated to the input port of the heat transfer oil heater that is located at tank body outside, the collar extension of the second cold oil pipe (2) is communicated to the delivery outlet of the hot equipment of tank body external application, the first deep fat pipe (8) in two deep fat pipes that passed by heat storage can (5) tank body middle part is communicated to the delivery outlet of the heat transfer oil heater that is located at tank body outside, the second deep fat pipe (9) is communicated to the input port of the hot equipment of tank body external application.
3. the two medium heat-storing devices of conduction oil/corundum ball according to claim 1, is characterized in that: in heat storage can (5), corundum ball (7) is filled to the minimum liquid level line place of liquid level control display (12).
4. the two medium heat-storing devices of conduction oil/corundum ball according to claim 1, is characterized in that: be provided with aperture at conelet cap (11) top.
5. the two medium heat-storing devices of conduction oil/corundum ball according to claim 1, it is characterized in that: safety valve (16) and sensed pressure table (17) are housed at the top of heat storage can (5), be also fitted with at the top of heat storage can (5) by magnetic valve (19) control for be filled with the nitrogen tube (18) of nitrogen in tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368577.3U CN203980983U (en) | 2014-07-04 | 2014-07-04 | The two medium heat-storing devices of conduction oil/corundum ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368577.3U CN203980983U (en) | 2014-07-04 | 2014-07-04 | The two medium heat-storing devices of conduction oil/corundum ball |
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| Publication Number | Publication Date |
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| CN203980983U true CN203980983U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420368577.3U Expired - Fee Related CN203980983U (en) | 2014-07-04 | 2014-07-04 | The two medium heat-storing devices of conduction oil/corundum ball |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318758A (en) * | 2014-07-04 | 2016-02-10 | 陕西科弘厨房工程设备有限公司 | Heat-conducting-oil/corundum-ball double-medium heat storage device |
| CN105465879A (en) * | 2014-08-15 | 2016-04-06 | 国家电网公司 | Heating system based on electric heating energy storage device and control method of heating system |
| CN105890193A (en) * | 2016-06-30 | 2016-08-24 | 赵小峰 | Reinforced heat exchange structure of high-temperature heat storage device and high-temperature heat storage device with reinforced heat exchange structure |
-
2014
- 2014-07-04 CN CN201420368577.3U patent/CN203980983U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318758A (en) * | 2014-07-04 | 2016-02-10 | 陕西科弘厨房工程设备有限公司 | Heat-conducting-oil/corundum-ball double-medium heat storage device |
| CN105465879A (en) * | 2014-08-15 | 2016-04-06 | 国家电网公司 | Heating system based on electric heating energy storage device and control method of heating system |
| CN105890193A (en) * | 2016-06-30 | 2016-08-24 | 赵小峰 | Reinforced heat exchange structure of high-temperature heat storage device and high-temperature heat storage device with reinforced heat exchange structure |
| CN105890193B (en) * | 2016-06-30 | 2018-10-16 | 赵小峰 | A kind of enhanced heat exchange structure of high-temperature heat storage device and the high-temperature heat storage device with the structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170704 |