CN209753520U - Groove type solar mirror field cleaning system - Google Patents
Groove type solar mirror field cleaning system Download PDFInfo
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- CN209753520U CN209753520U CN201920395577.5U CN201920395577U CN209753520U CN 209753520 U CN209753520 U CN 209753520U CN 201920395577 U CN201920395577 U CN 201920395577U CN 209753520 U CN209753520 U CN 209753520U
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Abstract
The utility model discloses a trough type solar mirror field cleaning system, which comprises a mirror field drying and compressing air purging system and a mirror field hot water cleaning system, wherein the mirror field drying and compressing air purging system comprises a fixed screw air compressor, a pre-filter, an air storage tank, a post-filter, an air freeze dryer, a fine filter and a main drying and compressing air pipeline which are connected in sequence, and a pressure sensor is arranged at the air outlet side of the fine filter; the main dry compressed air pipeline is provided with a plurality of parallel dry compressed air branch pipelines, two ends of each dry compressed air branch pipeline are provided with second electric valves, and the dry compressed air branch pipelines are provided with air nozzles which are uniformly distributed; the mirror field hot water cleaning system comprises a heat-preservation hot water tank, a hot water booster pump and a hot water main pipe which are sequentially connected. The utility model adopts the above structure's slot type solar mirror field cleaning system, easy operation washs the convenience, is showing the collecting efficiency who improves condensing lens and thermal-collecting tube.
Description
Technical Field
The utility model relates to a solar energy technical field especially relates to a slot type solar mirror field cleaning system.
Background
With the construction of a photothermal power generation project in thirteen five periods and the popularization of clean heating application, China already has a groove type solar mirror field with a considerable scale, the mirror field is mainly distributed in areas such as Qinghai, Gansu, inner Mongolia, Xinjiang, Hebei and the like, and the areas have large wind and sand and much dust, so that dust accumulation of a collecting lens and a heat collecting tube is serious, the heat collecting efficiency of the mirror field is seriously influenced, and great economic loss is caused to the photothermal mirror field.
When the artificial mirror field cleaning is used, the operation is required in the daytime, and the heat collector is required to be in a cleaning deflection state at the time, so that tracking can not be performed, and the normal operation of the heat collector can be influenced. The heat collector is generally higher, and the heat collector can be cleaned in a manual mode, so that a worker can only clean a condenser with the area of about 300 square meters in one day on average, the cleaning efficiency is lower in cold weather in winter, high-altitude operation is involved, and great potential safety hazards exist.
patent CN201420647224 provides a self-propelled belt cleaning device, use the walking driving motor, installation guide rail and windscreen wiper arm are washd the condensing lens, like this will dispose a large amount of walking driving motor and guide rail, it is very high to require the heat collector, only purpose-made heat collector can use this set of system, be unsuitable in the extensive popularization and application of trade, the system is more complicated, the cost is expensive, and use the walking driving motor in a large number, the fault rate is higher, the operation maintenance cost is high, it is lower to urgently need a cost, the operation is maintained simply, the lower mirror field cleaning system of fault rate.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a slot type solar mirror field cleaning system, easy operation washs the convenience, is showing the collecting efficiency who improves condensing lens and thermal-collecting tube.
In order to achieve the purpose, the utility model provides a trough solar mirror field cleaning system, including dry compressed air purge system in mirror field and mirror field hot water cleaning system, dry compressed air purge system in mirror field includes the fixed screw air compressor who connects gradually, leading filter, gas holder, rearmounted filter, air freeze dryer, smart filter and dry compressed air trunk line, the gas outlet side of smart filter is equipped with pressure sensor;
The main dry compressed air pipeline is provided with a plurality of parallel dry compressed air branch pipelines, two ends of each dry compressed air branch pipeline are provided with second electric valves, and the dry compressed air branch pipelines are provided with air nozzles which are uniformly distributed;
The hot water cleaning system for the mirror field comprises a heat preservation hot water tank, a hot water booster pump and a hot water main pipe which are sequentially connected, wherein a plurality of hot water branch pipes are arranged on the hot water main pipe side by side, a plurality of hot water nozzles are arranged on the hot water branch pipes, fourth electric valves are arranged on two sides of each hot water branch pipe, and a dry compressed air branch pipe and the hot water branch pipes are fixed on a heat collecting pipe support of the groove type heat collector.
Preferably, a first electric valve is arranged between the main drying compressed air pipeline and the fine filter, and the pre-filter, the post-filter and the fine filter are all connected with switch valves in parallel.
preferably, one side of the heat-preservation hot water tank is provided with a water tank temperature sensor and a water level sensor, and the water outlet side of the hot water booster pump is provided with a pipeline temperature sensor.
Preferably, the fixed screw air compressor, the air storage tank, the air freeze dryer, the main dry compressed air pipeline and the hot water booster pump are arranged in parallel in a plurality of groups.
Preferably, the setting angles of the air nozzle and the hot water nozzle all comprise three directions and comprise the upper side and the lower side of the condenser lens of the aligned groove type heat collector and the middle part of the heat collecting pipe.
Therefore, the utility model adopts the above structure's slot type solar mirror field cleaning system, easy operation washs the convenience, is showing the collecting efficiency who improves condensing lens and thermal-collecting tube.
The utility model realizes that the collecting mirror and the heat collecting pipe of the trough type solar mirror field are firstly purged at high pressure by using dry compressed air under the condition that the trough type solar mirror field has more accumulated dust by combining a dry compressed air purging system, a mirror field hot water cleaning system, a dry compressed air pipeline and a hot water pipeline which are reasonably designed with an intelligent timing control system, and the accumulated dust is preliminarily removed; then, washing by hot water to further remove accumulated dust; and finally, drying the solar mirror field by using dry compressed air to complete the cleaning work of the groove type solar mirror field.
The utility model has the advantages of as follows:
1. the heat collection efficiency of the trough type heat collector is obviously improved, and considerable economic benefits are brought.
2. Manpower can be liberated, the low efficiency of manually cleaning a mirror field is overcome, and the danger caused by high-altitude operation is avoided.
3. The cleaning deflection is realized without using a trough type heat collector, the condition that the mirror field can not work normally when the cleaning is carried out manually is avoided, the heat collection utilization rate of the mirror field is further improved, and the economic benefit is obviously improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a mirror field drying and compressed air purging system in a trough solar mirror field cleaning system of the present invention;
Fig. 2 is a schematic diagram of a mirror field hot water cleaning system in the trough type solar mirror field cleaning system of the present invention.
Reference numerals
1. A stationary screw air compressor; 2. a pre-filter; 3. a gas storage tank; 4. a post-filter; 5. an air freeze dryer; 6. a fine filter; 7. a pressure sensor; 8. a first electrically operated valve; 9. a main compressed air line; 10. a trough collector; 11. a second electrically operated valve; 12. an air nozzle; 13. a dry compressed air branch duct;
A. A heat-preservation hot water tank; a1, a water tank temperature sensor; a2, a water level sensor; B. a hot water booster pump; C. a pipeline temperature sensor; D. a hot water main pipe; E. a third electrically operated valve; F. a hot water branch pipe; H. a fourth electrically operated valve; G. a hot water nozzle.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is the utility model discloses the dry compressed air of mirror field sweeps the schematic diagram of system embodiment among the slot type solar mirror field cleaning system, fig. 2 is the utility model discloses the schematic diagram of mirror field hot water cleaning system embodiment among the slot type solar mirror field cleaning system, as shown in the figure, a slot type solar mirror field cleaning system, including mirror field dry compressed air sweep system and mirror field hot water cleaning system, mirror field dry compressed air sweep system is including the fixed screw air compressor 1 that connects gradually, leading filter 2, gas holder 3, rearmounted filter 4, air freeze dryer 5, smart filter 6 and dry compressed air trunk line 9, the air is through getting into the storage in the gas holder 3 behind fixed screw air compressor 1, during the use release after through air freeze dryer 5 get into in the dry compressed air trunk line 9. The air freeze dryer 5 is installed between the air outlet end of the post filter 4 and the air inlet end of the fine filter 6.
The fixed screw air compressor 1, the air storage tank 3, the air freeze dryer 5 and the main dry compressed air pipeline 9 are all provided with a plurality of groups in parallel. The air freeze dryer 5 can remove water vapor in the dry compressed air to dry the air, and the blowing effect of the dry air on the collecting lens and the heat collecting tube of the trough heat collector is better. The pre-filter 2, the post-filter 4 and the fine filter 6 filter air, so that oil stains, water vapor and other dust in the dry compressed air are filtered, and the cleanness of the high-pressure air is ensured. Wherein the pre-filter 2 is of C grade and is suitable for filtering a large amount of liquid and 3 micron-sized condensate; the post-filter 4 is of T-grade and is suitable for filtering a large amount of liquid and condensate with the size of 1 micron; the fine filter 6 is class a and is adapted to filter out large amounts of liquid and 0.01 micron sized aggregates.
Be equipped with first motorised valve 8 between dry compressed air main pipe 9 and the smart filter 6, the intercommunication between dry compressed air main pipe 9 and the smart filter 6 is controlled to first motorised valve 8. The first electric valves 8 are arranged on a main dry compressed air pipeline 9, and the arrangement number can be determined according to the purging subareas of the mirror field. The pre-filter 2, the post-filter 4 and the fine filter 6 are all connected with switch valves in parallel, and the filtration of the pre-filter 2, the post-filter 4 and the fine filter 6 can be skipped under special conditions. And a pressure sensor 7 is arranged on the air outlet side of the fine filter 6, and the pressure sensor 7 is used for detecting the air pressure of the air outlet of the fine filter 6.
The gas storage tank 3 is provided with a safety valve, and when the system pressure is greater than 1.2Mpa, the valve is opened to safely release the pressure. The mirror field drying compressed air purging system is provided with the air storage tank 3, so that compressed air can be stored in a large amount, the fixed screw air compressor 1 can be started to store air in a time period with off-peak electricity, the operation cost is obviously reduced, and the economic benefit of the system is improved.
The main dry compressed air pipeline 9 is provided with a plurality of parallel dry compressed air branch pipelines 13, the main dry compressed air pipeline 9 and the dry compressed air branch pipelines 13 are made of stainless steel seamless pipes, and the dry compressed air branch pipelines 13 are fixed on a heat collecting pipe support of the trough type heat collector. The two ends of the dry compressed air branch pipeline 13 are both provided with a second electric valve 11, and the second electric valve 11 regulates and controls whether the dry compressed air branch pipeline is communicated or not. Be equipped with evenly distributed's air nozzle 12 on the dry compressed air lateral conduit 13, the angle that sets up of air nozzle 12 includes three direction to including the upper and lower both ends and the middle part of aiming at the slot type heat collector, 3 directions of air nozzle 12 adopt a plurality of cylindricality to spray the gas pocket, can spray fan-shaped air current, guarantee the slot type heat collector sanitization. The air flow rate sprayed from the air nozzle 12 is not less than 20m/S, and the pressure of the blowing air is 1.0Mpa to dry the compressed air.
The hot water cleaning system for the mirror field comprises a heat-preservation hot water tank A, a hot water booster pump B and a hot water main pipe D which are sequentially connected, wherein a plurality of hot water branch pipes F are arranged on the hot water main pipe D in parallel, the hot water main pipe D and the hot water branch pipes F are made of hot galvanized steel pipes, and the hot water main pipe D and the hot water branch pipes F are subjected to heat preservation treatment. And a third electric valve E is arranged between the hot water main pipe D and the hot water branch pipe F, and the third electric valve E is arranged on the hot water main pipe D, so that the arrangement number can be determined according to the cleaning subareas of the mirror field.
The hot water branch pipe F is provided with a plurality of hot water nozzles G, the two sides of the hot water branch pipe F are respectively provided with a fourth electric valve H, and the hot water branch pipe F is fixed on a heat collecting pipe support of the trough type heat collector. The hot water nozzle G is arranged in three directions and comprises the upper side and the lower side which are aligned with the condensing lens of the groove type heat collector and the middle part of the heat collecting pipe, and the hot water nozzle G adopts cylindrical jet air holes and can spray fan-shaped hot water flow.
A water tank temperature sensor A1 and a water level sensor A2 are arranged on one side of the heat preservation hot water tank A, and the water tank temperature sensor A1 is used for detecting the temperature of the water tank and determining whether the temperature of the hot water meets the cleaning requirement; the water level sensor A2 is used to detect the water level in the water tank and determine whether the liquid level in the water tank meets the requirement. The hot water booster pumps B are arranged in a plurality of groups in parallel, a pipeline temperature sensor C is arranged on the water outlet side of the hot water booster pumps B and is arranged on a pipeline between the water outlet end of the hot water booster pumps B and the third electric valve E.
The air nozzle 12 and the hot water nozzle G are both made of seamless stainless steel pipes, and the stainless steel pipe nozzles can ensure that the nozzles do not rust and do not influence the cleaning function.
All dry compressed air and hot water pipeline, in the subregion within range, the trunk line all uses annular arrangement mode, pipeline annular to arrange, can satisfy the dry compressed air pressure of each branch road balanced, and the discharge of hot water branch road is balanced, makes each nozzle homoenergetic satisfy the washing requirement.
When the feedback pressure of the pressure sensor 7 is insufficient, the first electric valve 8 is not opened; when the water temperature fed back by the water tank temperature sensor A1 does not meet the requirement, the hot water booster pump B is not started.
When the air drying device is used, firstly, high-pressure compressed air is generated through the fixed screw air compressor 1, is primarily filtered through the pre-filter 2, is stored in the air storage tank 3, is further removed of dust and oil stains in the compressed air through the post-filter 4, and is dried through the air freeze dryer 5. When the pressure sensor 7 detects that the pressure is enough, the first electric valve 8 is controlled to determine the subarea to be cleaned, then the second electric valve 11 is opened, the high-pressure fan-shaped air column is sprayed out through the compressed dry air nozzle 12, the collecting lens and the heat collecting pipe of the trough type heat collector 10 are purged, and the accumulated dust is removed primarily.
And then, hot water stored in the heat-preservation hot water tank A is conveyed to a hot water main pipe D through a hot water booster pump B, hot water flushing is carried out on different partitions by adjusting a third electric valve E, the hot water enters a hot water nozzle G through a hot water branch pipe F and a fourth electric valve H, the hot water nozzle G sprays out a fan-shaped high-pressure hot water column, a condenser lens and a heat collecting pipe of the trough type heat collector 10 are flushed, and dust accumulation is further removed.
And finally, repeating the first step, and blowing and drying the collecting lens and the heat collecting pipe which are washed by hot water through drying the compressed air to finish the whole cleaning process of the lens field.
The hot water used by the hot water storage tank in the mirror field hot water cleaning system can be obtained by heating the trough type solar heat collector and a hot water heat exchanger.
The user can select the mode of using the mirror field drying compressed air blowing system or the mirror field hot water cleaning system independently according to the local climate and the actual requirement of the mirror field. The mirror field hot water cleaning system is not limited to use of hot water, and a mixture of glycol and cold water can be used, or the reasonable proportion of the glycol and the cold water is selected according to local climate conditions.
Therefore, the utility model adopts the above structure's slot type solar mirror field cleaning system, easy operation washs the convenience, is showing the collecting efficiency who improves condensing lens and thermal-collecting tube.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a slot type solar mirror field cleaning system which characterized in that: the device comprises a mirror field dry compressed air purging system and a mirror field hot water cleaning system, wherein the mirror field dry compressed air purging system comprises a fixed screw air compressor, a pre-filter, an air storage tank, a post-filter, an air freeze dryer, a fine filter and a dry compressed air main pipeline which are sequentially connected, and a pressure sensor is arranged on the air outlet side of the fine filter;
The main dry compressed air pipeline is provided with a plurality of parallel dry compressed air branch pipelines, two ends of each dry compressed air branch pipeline are provided with second electric valves, and the dry compressed air branch pipelines are provided with air nozzles which are uniformly distributed;
The hot water cleaning system for the mirror field comprises a heat preservation hot water tank, a hot water booster pump and a hot water main pipe which are sequentially connected, wherein a plurality of hot water branch pipes are arranged on the hot water main pipe side by side, a plurality of hot water nozzles are arranged on the hot water branch pipes, fourth electric valves are arranged on two sides of each hot water branch pipe, and a dry compressed air branch pipe and the hot water branch pipes are fixed on a heat collecting pipe support of the groove type heat collector.
2. The trough solar mirror field cleaning system of claim 1, wherein: a first electric valve is arranged between the main drying compressed air pipeline and the fine filter, and the pre-filter, the post-filter and the fine filter are all connected with switch valves in parallel.
3. The trough solar mirror field cleaning system of claim 1, wherein: one side of the heat-preservation hot water tank is provided with a water tank temperature sensor and a water level sensor, and the water outlet side of the hot water booster pump is provided with a pipeline temperature sensor.
4. The trough solar mirror field cleaning system of claim 1, wherein: the fixed screw air compressor, the air storage tank, the air freeze dryer, the main dry compressed air pipeline and the hot water booster pump are all provided with a plurality of groups in parallel.
5. the trough solar mirror field cleaning system of claim 1, wherein: the air nozzle and the hot water nozzle are arranged in three directions at different angles, and the air nozzle and the hot water nozzle are aligned to the upper side and the lower side of a condenser lens of the groove type heat collector and the middle part of the heat collecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395577.5U CN209753520U (en) | 2019-03-27 | 2019-03-27 | Groove type solar mirror field cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395577.5U CN209753520U (en) | 2019-03-27 | 2019-03-27 | Groove type solar mirror field cleaning system |
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| Publication Number | Publication Date |
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| CN209753520U true CN209753520U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920395577.5U Active CN209753520U (en) | 2019-03-27 | 2019-03-27 | Groove type solar mirror field cleaning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589794A (en) * | 2020-05-29 | 2020-08-28 | 国家能源集团宁夏煤业有限责任公司枣泉煤矿 | Coal face cloud platform appearance belt cleaning device that makes a video recording |
-
2019
- 2019-03-27 CN CN201920395577.5U patent/CN209753520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589794A (en) * | 2020-05-29 | 2020-08-28 | 国家能源集团宁夏煤业有限责任公司枣泉煤矿 | Coal face cloud platform appearance belt cleaning device that makes a video recording |
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