CN202813848U - Conduction oil recovery system of trough type solar thermal power generation system - Google Patents
Conduction oil recovery system of trough type solar thermal power generation system Download PDFInfo
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- CN202813848U CN202813848U CN 201220491988 CN201220491988U CN202813848U CN 202813848 U CN202813848 U CN 202813848U CN 201220491988 CN201220491988 CN 201220491988 CN 201220491988 U CN201220491988 U CN 201220491988U CN 202813848 U CN202813848 U CN 202813848U
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- Prior art keywords
- conduction oil
- oil recovery
- power generation
- type solar
- oil
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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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Abstract
The utility model discloses a conduction oil recovery system of a trough type solar thermal power generation system. The conduction oil recovery system comprises an oil recovery channel and an air pump purging channel, and the oil recovery channel and the air pump purging channel are respectively communicated with an upstream portion and a downstream portion of a thermal collection return circuit. The oil recovery channel comprises a multi-tube-pass condenser, and an oil gas recovery unit and a conduction oil recovery unit are arranged on the multi-tube-pass condenser in parallel in a communicated mode. High pressure conduction oil in the thermal collection return circuit is recovered through the multi-tube-pass condenser and the conduction oil recovery unit. Air is pumped into the he thermal collection return circuit, and ordinary pressure conduction oil remained in the thermal collection return circuit is purged out through the air pump purging channel. Gas-liquid mixture generated in the recovering process is recovered through the multi-tube-pass condenser and the oil gas recovery unit. The conduction oil recovery system of the trough type solar thermal power generation system can recover the conduction oil with 390 DEG C from an oil discharge valve of the thermal collection return circuit 11 when leakage happens in pipelines in the thermal collection return circuit 11 without the need to wait for the conduction oil in the pipelines to be cooled below the boiling point of 257 DEG C. Therefore, the conduction oil recovery system of the trough type solar thermal power generation system brings great convenience to maintenance construction, and has the advantages of high efficiency, low risk and the like.
Description
Technical field
The utility model relates to the solar light-heat power-generation technical field, especially the conduction oil retracting device of trough type solar power generation system.
Background technology
Usually use conduction oil as heat transfer medium in the existing trough type solar power generation system, because the conduction oil serviceability temperature is about 390 ℃ in the system, this moment, the steam pressure of conduction oil was about 1MPa, and when the pipeline in the thermal-arrest loop occured to leak, conduction oil can be in the vaporization ejection of leakage point place.This moment, common way was the valve that this thermal-arrest loop of plant-wide emergency shutdown is imported and exported, with flexible sealing material shutoff leakage point, wait for ducted conduction oil be cooled to its boiling point below 257 ℃ after, reclaim conduction oil from thermal-arrest loop draining valve again.Because the time that the conduction oil cooling procedure needs is longer, interim flexible sealing material shutoff leak source can not seal fully, leaks so have the part conduction oil, causes waste of material, fire risk and environmental pollution.
The utility model content
For the problem that prior art exists, it is a kind of safe that the purpose of this utility model is to provide, and can in time reclaim the trough type solar power generation system conduction oil recovery system of high temperature heat conductive oil.
For achieving the above object, the utility model trough type solar power generation system conduction oil recovery system, comprise oily recovery approach and air pump purge passage, two passages are connected with upstream, the downstream in thermal-arrest loop respectively, wherein, described oily recovery approach comprises the multitube distance condenser, in parallel connection is provided with oil gas recovery unit and conduction oil recovery unit on it, high pressure conduction oil in the thermal-arrest loop reclaims via multitube distance condenser, conduction oil recovery unit, and residual normal pressure conduction oil pumps into Air blowing by the air pump purge passage in it in the thermal-arrest loop; The gas-liquid mixture that produces in the recovery reclaims via multitube distance condenser, oil gas recovery unit.
Further, be provided with front draining valve between described oily recovery approach and the described thermal-arrest loop, be provided with rear draining valve between described air pump purge passage and the described thermal-arrest loop.
Further, described oily recovery approach comprises conduction oil inlet tube, described multitube distance condenser, oil exit pipe and the oil storage tank that is communicated with successively setting, and oil exit pipe and oil storage tank consist of described conduction oil recovery unit.
Further, described multitube distance condenser comprises housing and the condensation pipe that sets within it, and the gas-liquid mixture that imports in this condensation pipe and the water in the housing carry out heat exchange, and gas-liquid mixture is condensed into liquid heat conductive oil.
Further, be provided with the moisturizing discharge outlet on the described multitube distance condenser.
Further, described oil gas recovery unit comprises successively and to be communicated with gas outlet tube, the absorption cell that the cold liquid heat conductive oil of part is housed, device of working medium absorption cell and the exhaust outlet that arranges, and the gas in the system pipeline is discharged from exhaust outlet after via absorption cell and twice absorption of device of working medium absorption cell.
Further, described air pump purge passage comprises the air pump by pipeline and described thermal-arrest circuit communication.
Further, the two ends in described thermal-arrest loop are provided with stop valve, when the conduction oil in the described thermal-arrest loop need to be derived, and the stop valve of closing its two ends.
Further, be provided with liquid-sighting glass on the described oil exit pipe.
The utility model can be in thermal-arrest loop 11 pipeline when occuring to leak, reclaim 390 ℃ conduction oil from thermal-arrest loop 11 draining valves, and do not need to wait for that ducted conduction oil is cooled to its boiling point below 257 ℃.Thereby greatly facilitate maintenance construction, have the advantages such as high efficiency, low-risk.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below, with reference to the accompanying drawings, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the key diagram or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
As shown in Figure 1, the utility model trough type solar power generation system conduction oil recovery system comprises multitube distance condenser 1, conduction oil inlet tube 2, gas outlet tube 3, absorption cell 4, device of working medium absorption cell 5, exhaust outlet 6, oil storage tank 7, oil exit pipe 8, air pump 9, leakage point 10, thermal-arrest loop 11, front draining valve 12, rear draining valve 13, stop valve 14, liquid-sighting glass 15, moisturizing discharge outlet 16.
Wherein, be communicated with the oil exit pipe 8 and the oil storage tank 7 that arrange and consist of the conduction oil recovery unit.Be communicated with successively the gas outlet tube 3 that arranges, the absorption cell 4 that the cold liquid heat conductive oil of part is housed, device of working medium absorption cell 5 and exhaust outlet 6 and consist of the oil gas recovery unit.Be communicated with successively the conduction oil inlet tube 2, multitube distance condenser 1, oil exit pipe 8 and the oil storage tank 7 that arrange and consist of oily recovery approach.The air pump 9 that is communicated with thermal-arrest loop 11 by pipeline consists of the air pump purge passage.Oil recovery approach and air pump purge passage are connected with upstream, the downstream in thermal-arrest loop 11 respectively, and the high pressure conduction oil in the thermal-arrest loop 11 is outwards derived under the effect of self pressure, and reclaims via multitube distance condenser 1, conduction oil recovery unit first; Along with the decline of pressure, thermal-arrest loop 11 interior residual normal pressure conduction oils will pump into Air blowing in it by the air pump purge passage.Vaporize when entering conduction oil inlet tube 2 gas-liquid mixture, the gas when air pump 9 purges that form of high pressure conduction oil all reclaims via multitube distance condenser 1, oil gas recovery unit.Gas in the system pipeline is discharged from exhaust outlet 6 after via absorption cell 4 and 5 twice absorption of device of working medium absorption cell.
Multitube distance condenser 1 comprises and housing and the condensation pipe that sets within it is filled with cold water in the housing, and gas-liquid mixture imports in the condensation pipe, and tube wall and the water in the housing by condensation pipe carry out heat exchange, and gas-liquid mixture is condensed into liquid heat conductive oil.Be provided with moisturizing discharge outlet 16 on the multitube distance condenser 1, the water that is used for condensation in the utility model does not need circulation, just utilizes the thermal capacitance of water to cool off conduction oil, only in condenser during lack of water by moisturizing discharge outlet 16 additional getting final product.
Be provided with front draining valve 12 between oil recovery approach and the thermal-arrest loop 11, be provided with rear draining valve 13 between air pump purge passage and the thermal-arrest loop 11.When the conduction oil leakage occurs in trough type solar power generation system thermal-arrest loop, when perhaps needing to reclaim the conduction oil in the thermal-arrest loop 11, the stop valve 14 at closure set hot loop 11 two ends,
Conduction oil inlet tube 2 in the utility model is connected with front draining valve 12, open front draining valve 12, because thermal-arrest loop 11 ducted conduction oils have higher temperature and pressure, in entering conduction oil inlet tube 2 processes, conduction oil can part be vaporized, and forms gas-liquid mixture.Then gas-liquid mixture enters in the tube side of multitube distance condenser 1, and the water heat exchange with in the multitube distance condenser 1 is condensed into liquid heat conductive oil.
Gas in the equipment flows into absorption cell 4 through gas outlet tube 3, fills the cold liquid heat conductive oil of part in the absorption cell 4, is used for absorbing the residual conduction oil in the exhaust.Then gas flow enters device of working medium absorption cell 5, fills part water in the device of working medium absorption cell 5, is used for absorbing the residual conduction oil in the exhaust, and last gas is discharged from exhaust outlet 6.Condensed conduction oil flows in the oil storage tank 7 through oil exit pipe 8.
When thermal-arrest loop 11 manifold pressures during near normal pressure, its inner conduction oil can not flow out voluntarily, at this moment air pump 9 is connected with rear draining valve 13.Pump into air, utilize the purge of air to take the interior conduction oil of pipeline out of, conduction oil flow through conduction oil inlet tube 2, multitube distance condenser 1, flow into oil storage tank 7, air with remaining conduction oil flows into absorption cell 4 through gas outlet tube 3, fill the cold liquid heat conductive oil of part in the absorption cell 4, be used for absorbing the residual conduction oil in the exhaust.
Then air stream enters device of working medium absorption cell 5, fills part water in the device of working medium absorption cell 5, is used for absorbing the residual conduction oil in the exhaust.Last air is discharged from exhaust outlet 6.When not having conduction oil to flow through in the liquid-sighting glass 15, finish the conduction oil removal process.
The utility model can be in thermal-arrest loop 11 pipeline when occuring to leak, reclaim 390 ℃ conduction oil from thermal-arrest loop 11 draining valves, and do not need to wait for that ducted conduction oil is cooled to its boiling point below 257 ℃.And when changing the parts such as vacuum heat collection pipe, spherical joint in the thermal-arrest loop, the utility model also can be used for the conduction oil in the recovery channel.
The utility model also provides air pump to purge function, when the conduction oil in the thermal-arrest return can not all flow out, can by the pressure of air pump in the draining valve place of thermal-arrest loop one side pumps into air increase pipeline, conduction oil remaining in the pipeline after discharging, be reclaimed by the draining valve of thermal-arrest loop opposite side again with air.
Claims (9)
1. trough type solar power generation system conduction oil recovery system, it is characterized in that, this system comprises oily recovery approach and air pump purge passage, two passages are connected with upstream, the downstream in thermal-arrest loop respectively, wherein, described oily recovery approach comprises the multitube distance condenser, in parallel connection is provided with oil gas recovery unit and conduction oil recovery unit on it, high pressure conduction oil in the thermal-arrest loop reclaims via multitube distance condenser, conduction oil recovery unit, and residual normal pressure conduction oil pumps into Air blowing by the air pump purge passage in it in the thermal-arrest loop; The gas-liquid mixture that produces in the recovery reclaims via multitube distance condenser, oil gas recovery unit.
2. trough type solar power generation as claimed in claim 1 system conduction oil recovery system, it is characterized in that, be provided with front draining valve between described oily recovery approach and the described thermal-arrest loop, be provided with rear draining valve between described air pump purge passage and the described thermal-arrest loop.
3. trough type solar power generation as claimed in claim 1 system conduction oil recovery system, it is characterized in that, described oily recovery approach comprises conduction oil inlet tube, described multitube distance condenser, oil exit pipe and the oil storage tank that is communicated with successively setting, and oil exit pipe and oil storage tank consist of described conduction oil recovery unit.
4. trough type solar power generation as claimed in claim 1 system conduction oil recovery system, it is characterized in that, described multitube distance condenser comprises housing and the condensation pipe that sets within it, the gas-liquid mixture that imports in this condensation pipe and the water in the housing carry out heat exchange, and gas-liquid mixture is condensed into liquid heat conductive oil.
5. trough type solar power generation as claimed in claim 4 system conduction oil recovery system is characterized in that, is provided with the moisturizing discharge outlet on the described multitube distance condenser.
6. trough type solar power generation as claimed in claim 1 system conduction oil recovery system, it is characterized in that, described oil gas recovery unit comprises successively and to be communicated with gas outlet tube, the absorption cell that the cold liquid heat conductive oil of part is housed, device of working medium absorption cell and the exhaust outlet that arranges, and the gas in the system pipeline is discharged from exhaust outlet after via absorption cell and twice absorption of device of working medium absorption cell.
7. trough type solar power generation as claimed in claim 1 system conduction oil recovery system is characterized in that described air pump purge passage comprises the air pump by pipeline and described thermal-arrest circuit communication.
8. trough type solar power generation as claimed in claim 1 system conduction oil recovery system is characterized in that the two ends in described thermal-arrest loop are provided with stop valve, when the conduction oil in the described thermal-arrest loop need to be derived, and the stop valve of closing its two ends.
9. trough type solar power generation as claimed in claim 3 system conduction oil recovery system is characterized in that, is provided with liquid-sighting glass on the described oil exit pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220491988 CN202813848U (en) | 2012-09-25 | 2012-09-25 | Conduction oil recovery system of trough type solar thermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220491988 CN202813848U (en) | 2012-09-25 | 2012-09-25 | Conduction oil recovery system of trough type solar thermal power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN202813848U true CN202813848U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220491988 Expired - Fee Related CN202813848U (en) | 2012-09-25 | 2012-09-25 | Conduction oil recovery system of trough type solar thermal power generation system |
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| CN (1) | CN202813848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229233A (en) * | 2020-10-20 | 2021-01-15 | 上海电气电站设备有限公司 | Two-section type heat conduction oil recovery heat exchanger for groove type photo-thermal power plant |
-
2012
- 2012-09-25 CN CN 201220491988 patent/CN202813848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229233A (en) * | 2020-10-20 | 2021-01-15 | 上海电气电站设备有限公司 | Two-section type heat conduction oil recovery heat exchanger for groove type photo-thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RAYSPOWER ENERGY GROUP CO., LTD. Free format text: FORMER NAME: NEW ENERGY POWER CO., LTD. IN HAI DUONG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee after: Rayspower Energy Group Co., Ltd. Address before: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee before: RAYSPOWER NEW ENERGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |