CN214406533U - Heat conduction oil filter screen emptying device system for groove type solar thermal power station - Google Patents
Heat conduction oil filter screen emptying device system for groove type solar thermal power station Download PDFInfo
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- CN214406533U CN214406533U CN202023254056.XU CN202023254056U CN214406533U CN 214406533 U CN214406533 U CN 214406533U CN 202023254056 U CN202023254056 U CN 202023254056U CN 214406533 U CN214406533 U CN 214406533U
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- 238000000034 method Methods 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 238000010248 power generation Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 23
- 239000007789 gas Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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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 belongs to the technical field of slot type solar photothermal power, especially, relate to a conduction oil filter screen emptier system for slot type solar photothermal power station. The utility model discloses a conduction oil filter screen I, conduction oil pump II, power module III and expansion tank IV still include the discharge tank, and the discharge tank is connected with conduction oil filter screen I through the pipeline. The utility model discloses newly-increased conduction oil filter screen emptier system equipment adopts the low level arrangement mode, behind conduction oil filter screen emptier and filter screen pressure balance, through gravity and exhaust fan with the high temperature conduction oil in the conduction oil filter screen I discharge the emptier with higher speed, thereby be convenient for demolish fast and overhaul of conduction oil pump entry filter screen, save the filter screen change time during the unit debugging, also can save the time that unit normal operating in-process filter screen and conduction oil main pump overhauld simultaneously, thereby shorten unit outage repair time, improve the heat economy nature of unit.
Description
Technical Field
The utility model belongs to the technical field of slot type solar photothermal power, especially, relate to a conduction oil filter screen emptier system for slot type solar photothermal power station.
Background
In the initial starting process and the operation process of the groove type solar thermal power station heat conduction oil system, impurities in the system are gathered on a filter screen at the inlet of a heat conduction oil pump in the circulation process. Because the heat transfer oil is solidified when the temperature is lower than 12 ℃, the heat transfer oil has slight toxicity, and the temperature of the heat transfer oil is within the range of 50-398 ℃ in the normal operation process, when the filter screen at the heat transfer oil inlet is blocked, the heat transfer oil in the filter screen can be cleaned only after being discharged when the temperature of the heat transfer oil is reduced to a lower temperature, and the cleaning and overhauling time of the filter screen is longer. Therefore, the debugging time of the oil circulation process of the unit is prolonged, and meanwhile, the overhaul time of main equipment of the unit is prolonged in the normal operation process.
Therefore, how to safely and effectively discharge the heat conduction oil in the inlet filter screen of the heat conduction oil pump is a technical problem which needs to be solved urgently.
Disclosure of Invention
To the weak point that exists among the above-mentioned prior art, the utility model provides a conduction oil filter screen emptier system for slot type solar thermal power station. The invention aims to realize quick discharge of heat conduction oil before cleaning of a filter screen at an inlet of a heat conduction oil pump, and simultaneously maintain micro-negative pressure in the filter screen before opening the filter screen through switching of an exhaust pipeline of an exhaust fan, thereby realizing double functions of quick oil discharge and micro-negative pressure opening of the filter screen, solving the problem of danger of oil and gas discharge of heat conduction oil to workers caused by positive pressure in the filter screen at the inlet of the high-temperature heat conduction oil pump, greatly shortening the replacement time of the filter screen at the inlet of the high-temperature heat conduction oil pump, and shortening the maintenance time of a heat conduction oil pump.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a heat conduction oil filter screen emptying device system for a groove type solar thermal power station comprises a heat conduction oil filter screen I, a heat conduction oil pump II, a power generation module III and an expansion tank IV, wherein the heat conduction oil expansion tank IV is connected with the heat conduction oil filter screen I through a pipeline provided with a manual butterfly valve A, and the other end of the heat conduction oil filter screen I is connected with the heat conduction oil pump II through a pipeline provided with a manual butterfly valve B; the other end of the heat conduction oil pump II is connected with the power generation module III through a pipeline provided with a check valve C and a pneumatic adjusting butterfly valve A; the other end of the power generation module III is connected with an expansion tank IV through a pipeline provided with a pneumatic adjusting butterfly valve B; the device also comprises a discharge tank, and the discharge tank is connected with the heat-conducting oil filter screen I through a pipeline.
Furthermore, the discharge tank is connected with the heat conduction oil filter screen I through a pipeline provided with a fifth manual stop valve and a fourth manual stop valve.
Further, the discharge tank is connected with the heat conduction oil filter screen I in sequence through a pipeline which is sequentially provided with a twelfth manual stop valve, an exhaust fan, a third manual stop valve and the first manual stop valve 1.
Furthermore, the discharge tank is connected with the activated carbon filter through a pipeline which is sequentially provided with a twelfth manual stop valve, an exhaust fan, a check valve A and a second manual stop valve.
Further, the discharge tank is connected with the heat conduction oil filter screen I through a pipeline provided with a fifteenth manual stop valve.
Furthermore, the discharge tank is connected with the heat conduction oil filter screen I through a pipeline which is sequentially provided with a ninth manual stop valve, a heat conduction oil return pump, a check valve B, a pneumatic regulating valve and an eleventh manual stop valve.
Further, the discharge tank is connected with a pressure instrument through a pipeline provided with a sixth manual stop valve; the discharge tank is also connected with a liquid level meter through a pipeline provided with a seventh manual stop valve; the discharge tank is also connected with a nitrogen charging connector through a pipeline provided with an eighth manual stop valve.
Furthermore, a heater mounting insertion hole is formed in one side of the discharge tank body, and the electric heating device is inserted into the heater mounting insertion hole and connected through a flange.
Further, the exhaust fan is connected with the pipeline through a flange and a bolt, and the activated carbon filter is connected with the pipeline flange through the flange.
Furthermore, the two ends of the inlet and the outlet of the heat conducting oil return pump are connected with the inlet and the outlet pipelines through flanges.
The utility model has the following beneficial effects and advantages:
the utility model discloses newly-increased conduction oil filter screen emptier system equipment adopts the low level arrangement mode, behind conduction oil filter screen emptier and filter screen pressure balance, through gravity and exhaust fan with the high temperature conduction oil in the conduction oil filter screen I discharge the emptier with higher speed to be convenient for demolish fast and overhaul of conduction oil pump entry filter screen. The utility model has the advantages that the discharge fan with double functions is arranged on the discharge device of the heat transfer oil pump inlet filter screen, the temperature of heat transfer oil does not need to be considered in the cleaning or replacing process of the heat transfer oil pump inlet filter screen, the filter screen replacing time during the debugging of the unit is saved, and the filter screen and the maintenance time of the heat transfer oil main pump in the normal operation process of the unit can be saved; therefore, the shutdown overhaul time of the unit is shortened, and the heat economy of the unit is improved.
The utility model discloses the system layout is nimble, can also select different discharge tank sizes according to the size of slot type solar energy light thermal power station owner pump entry filter screen capacity.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of the system of the present invention.
In the figure:
the device comprises a first manual stop valve 1, a second manual stop valve 2, a third manual stop valve 3, a fourth manual stop valve 4, a fifth manual stop valve 5, a sixth manual stop valve 6, a seventh manual stop valve 7, an eighth manual stop valve 8, a ninth manual stop valve 9, a pneumatic control valve 10, an eleventh manual stop valve 11, a twelfth manual stop valve 12, a check valve A13, a check valve B14, a fifteenth manual stop valve 15, a manual butterfly valve A16, a manual butterfly valve B17, a check valve C18, a pneumatic control butterfly valve A19, a pneumatic control butterfly valve B20, a discharge tank 21, an electric heating control device 22, a heat conduction oil return pump 23, an activated carbon filter 24, an exhaust heat conduction oil fan 25, a pressure instrument 26, a liquid level instrument 27, a nitrogen filling interface 28, a temperature measuring instrument 29, a heat conduction oil filter screen I, an expansion pump II, a power generation module III and a power generation tank IV.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solution of some embodiments of the present invention is described below with reference to fig. 1.
Example 1
The utility model relates to a conduction oil filter screen emptier system for slot type solar photothermal power station, as shown in figure 1, figure 1 is the utility model discloses the structural schematic of system.
The utility model discloses the system mainly includes that the conduction oil discharges jar 21, discharges jar conduction oil and returns pump 23, exhaust fan 25, discharges jar electric heating controlling means 22, discharges jar liquid level instrument 27, discharges jar temperature measuring instrument 29, discharges jar pressure instrument 26, pipeline and valve between active carbon filter 24 and the connected device constitute.
The utility model discloses original system's equipment includes: the heat conduction oil filter screen I, the heat conduction oil pump II, the power generation module III and the expansion tank IV are connected in the following relation:
the heat-conducting oil expansion tank IV is connected with the heat-conducting oil filter screen I through a pipeline, a manual butterfly valve A16 and a pipeline.
The other end of the heat conduction oil filter screen I is connected with the heat conduction oil pump II through a pipeline, a manual butterfly valve B17 and a pipeline.
The other end of the heat-conducting oil pump II is connected with the power generation module III through a pipeline, a check valve C18, a pipeline, a pneumatic adjusting butterfly valve A19 and a pipeline.
The other end of the power generation module III is connected with the expansion tank IV through a pipeline, a pneumatic adjusting butterfly valve B20 and a pipeline.
The utility model discloses still including newly-increased conduction oil filter screen emptier system equipment, adopt the low level arrangement mode, after conduction oil filter screen emptier and filter screen pressure balance, through gravity and exhaust fan with the high temperature conduction oil in the conduction oil filter screen I discharge the emptier with higher speed. Thereby being convenient for the quick dismantlement and the maintenance of conduction oil pump entry filter screen.
The method specifically comprises the following steps: the device comprises a discharge tank 21, an electric heating control device 22, a heat conducting oil return pump 23, an activated carbon filter 24, an exhaust fan 25, a pressure instrument 26, a liquid level instrument 27, a nitrogen filling interface 28, a temperature measuring instrument 29, and connecting pipelines and valves.
The utility model discloses newly-increased conduction oil filter screen emptying devices system equipment includes:
1. filtering net oil discharging equipment;
2. heat conducting oil accelerated oil discharge process equipment;
3. discharge tank micro-negative pressure process equipment;
4. the heat conducting oil returns to a pressure balance pipeline of the filter screen process;
5. the heat conducting oil returns to the filter screen process equipment;
6. a discharge tank pressure gauge;
7. the discharge tank level gauge;
8. the discharge tank temperature gauge;
9. the discharge tank temperature control device;
10. a negative pressure control device of the discharge tank.
Further, the installation and connection mode of each device of the heat conduction oil filter screen emptying device system is as follows:
1. the filter screen oil discharge process equipment is connected as follows:
the heat conduction oil filter screen I is sequentially connected with the discharge tank 21 through a pipeline arranged at the bottom of the heat conduction oil filter screen I, a fourth manual stop valve 4, a pipeline and a fifth manual stop valve 5. Wherein, the sewage pipes at the bottom of the heat conducting oil filter screen I are connected to the discharge tank 21 through a fourth manual stop valve 4 and a fifth manual stop valve 5. The heat transfer oil in the heat transfer oil filter screen I at the inlet of the heat transfer oil pump is discharged into the discharge tank 21 by opening the fourth manual stop valve 4 and the fifth manual stop valve 5. The heat conducting oil filter screen I is a product sold in the market at present.
2. The heat conducting oil accelerated oil discharge process equipment is connected as follows:
the discharge tank 21 is connected with the heat transfer oil filter screen I in sequence through a pipeline, a twelfth manual stop valve 12, a pipeline, an exhaust fan 25, a pipeline, a third manual stop valve 3, a pipeline, a first manual stop valve 1 and a pipeline which are connected with the top. In the oil discharging process of the heat conduction oil filter screen I, the gas in the discharge tank 21 is pumped into the upper part of the heat conduction oil filter screen I to be pressurized by starting the exhaust fan 25, so that the discharge speed of the heat conduction oil in the heat conduction oil filter screen I is accelerated. When the valve is opened, the pressure balance between the filter screen and the discharge tank is realized when the fan does not operate, and the pressurized discharge of heat-conducting oil in the filter screen is realized when the fan operates.
The exhaust fan 25 is a dual-function exhaust fan, and includes a pressurization function when the filter screen discharges oil and a micro-negative pressure adjustment function when the filter screen is opened. The exhaust fan 25 is connected to the pipeline by a flange and a bolt, and the exhaust fan 25 is a commercially available product.
3. The discharge tank micro-negative pressure process equipment is connected as follows:
the discharge tank 21 is connected with the activated carbon filter 24 through a pipeline, a twelfth manual stop valve 12, a pipeline, an exhaust fan 25, a pipeline, a check valve A13, a pipeline, a second manual stop valve 2 and a pipeline which are connected with the top in sequence. The activated carbon filter 24 prevents the pollution of the atmosphere caused by the discharged oil-gas mixture when the discharge loop of the exhaust guide fan is switched to the atmosphere. The activated carbon filter 24 is connected to the pipe flange via a flange.
When the conduction oil filter screen I is opened, the gas in the discharge tank 21 and the conduction oil filter screen I is discharged into the atmosphere through the exhaust fan 25. After the heat conduction oil of the filter screen is emptied, the exhaust outlet of the exhaust fan is switched to the atmosphere, and the outlet valve is adjusted to keep the micro negative pressure in the heat conduction oil filter screen I, so that the ejection of high-temperature oil gas is prevented when the cover of the heat conduction oil filter screen I is opened, and the safety of workers is ensured.
4. The pressure balance pipeline of the heat conduction oil return process is connected as follows:
the discharge tank 21 is connected with a fifteenth manual stop valve 15 and a pressure balance pipeline tee joint on the pipeline and the heat conduction oil filter screen I through pipelines connected with the top.
When the conduction oil of the drain tank 21 is driven into the conduction oil strainer I, the pressure in the conduction oil strainer I and the drain tank 21 is balanced by opening the fifteenth manual cut-off valve 15.
5. The heat conducting oil return process equipment is connected as follows:
the discharge tank 21 is connected with the heat transfer oil filter screen I in sequence through a pipeline, a ninth manual stop valve 9, a pipeline, a heat transfer oil return pump 23, a pipeline, a check valve B14, a pipeline, a pneumatic control valve 10, a pipeline, an eleventh manual stop valve 11 and a pipeline which are connected at the bottom.
And the heat conduction oil return pump 23 is used for returning the heat conduction oil discharged by the filter screen to the filter screen at the inlet of the heat conduction oil pump after the heat conduction oil filter screen is discharged and cleaned. Wherein, the two ends of the inlet and the outlet of the heat conducting oil return pump 23 are connected with the inlet and the outlet pipelines of the return pump through flanges.
After the heat transfer oil filter screen I is cleaned, the heat transfer oil in the discharge tank 21 is injected into the heat transfer oil filter screen I through the return pump.
6. The discharge tank pressure gauge is connected as follows:
the discharge tank 21 is connected with a pressure instrument 26 in sequence through a pipeline, a sixth manual stop valve 6 and a pipeline which are connected at the top, and the discharge tank pressure instrument 26 is used for monitoring the heat transfer oil discharge and return process and the pressure in the discharge tank 21 when the heat transfer oil filter screen I is opened.
7. The discharge tank liquid level meter is connected as follows:
the discharge tank 21 is connected with the liquid level meter 27 in sequence through a pipeline connected with the top, the seventh manual stop valve 7 and the pipeline.
The discharge tank liquid level meter 27 is used for monitoring whether the conduction oil in the conduction oil filter screen I is completely discharged or filled. The level gauge 27 is used for level monitoring of the heat transfer oil in the discharge tank during the discharge process and during the return of the heat transfer oil to the strainer.
When the conduction oil in the conduction oil filter screen I is completely discharged, the liquid level in the discharge tank 21 is not increased, and simultaneously, when the conduction oil in the conduction oil filter screen I is full, the liquid level in the discharge tank 21 is not reduced.
8. The discharge tank temperature meter is installed as follows:
the temperature measuring instrument 29 is directly inserted into the temperature measuring sleeve at the bottom of the exhaust tank 21 to measure the temperature. The temperature measuring instrument 29 is used for monitoring the temperature of the heat transfer oil during the discharging process and the process of returning the heat transfer oil to the filter screen.
9. The temperature control device of the discharge tank is installed as follows:
the electric heating device 22 is directly inserted into the drain tank 21 through a heater mounting insertion hole provided at a side of the drain tank 21 while being connected to the drain tank heater insertion hole flange through a flange on the heater.
The start and stop of the electric heating is controlled by measuring a signal by the temperature measuring instrument 29, and the temperature of the heat transfer oil in the drain tank 21 is controlled. Therefore, the phenomenon that the temperature of the heat conduction oil in the discharge tank is too low to cause the solidification of the heat conduction oil is prevented, and the automatic control of the temperature is realized.
10. The nitrogen charging device is installed as follows:
a nitrogen charging connector is reserved at the top of the discharge tank 21, and the discharge tank 21 is in flange connection with the eighth manual stop valve 8 through a pipeline and a flange; the eighth manual stop valve 8 is connected with the nitrogen charging connector 28 through a flange and a pipeline.
Example 2
The utility model also provides an embodiment, when concrete implementation, utilize the utility model relates to a conduction oil filter screen emptier system for slot type solar thermal power station carries out the working process that the conduction oil discharged, specifically includes following operating procedure:
step 1, quickly draining oil by using a filter screen.
Opening a first manual stop valve 1, a third manual stop valve 3, a fourth manual stop valve 4 and a fifth manual stop valve 5 to keep the pressure of a heat conduction oil pump II balanced with the pressure of a discharge tank 21, and enabling heat conduction oil of a heat conduction oil filter screen I to start to flow into the discharge tank 21 through gravity; the exhaust fan 25 is started, gas in the discharge tank 21 is pumped out and discharged to the upper part of a heat conduction oil filter screen I at the inlet of the heat conduction oil pump II, negative pressure is formed in the discharge tank 21, and positive pressure is formed on the upper part of the heat conduction oil filter screen I, so that heat conduction oil in the heat conduction oil filter screen I is discharged into the discharge tank 21 at an accelerated speed. When the level of the heat conduction oil in the discharge tank 21 is unchanged, the heat conduction oil in the heat conduction oil filter screen I is completely discharged.
And 2, opening the micro negative pressure after oil is drained from the heat conduction oil filter screen.
After the heat conduction oil in the heat conduction oil filter screen I is emptied, the second manual stop valve 2 is adjusted, and the third manual stop valve 3 is closed simultaneously, so that the pressure in the discharge tank 21 is maintained at a slight negative pressure, and the heat conduction oil filter screen I at the inlet of the heat conduction oil pump II can be opened at this time.
And 3, replacing nitrogen after the heat conduction oil filter screen I is cleaned.
And (4) after the heat conduction oil filter screen I is cleaned, filling the heat conduction oil filter screen I into the filter screen, and sealing the overhaul flange. At this time, the exhaust fan 25 is closed, the eighth manual stop valve 8 of the nitrogen injection port is opened, the first manual stop valve 1, the second manual stop valve 2, the third manual stop valve 3, the fourth manual stop valve 4, the fifth manual stop valve 5 and the eighth manual stop valve 8 are opened, the twelfth manual stop valve 12 is closed, nitrogen replacement is performed on the heat transfer oil filter screen I, and the nitrogen replacement is completed.
And 4, injecting heat conducting oil after nitrogen replacement is finished.
After nitrogen replacement is finished, the first manual stop valve 1, the second manual stop valve 2, the third manual stop valve 3, the fourth manual stop valve 4, the fifth manual stop valve 5 and the eighth manual stop valve 8 are closed, the ninth manual stop valve 9, the pneumatic control valve 10, the eleventh manual stop valve 11 and the fifteenth manual stop valve 15 are opened, the heat conduction oil return pump 23 is started, the heat conduction oil in the discharge tank 21 is discharged into the heat conduction oil filter screen I at the inlet of the heat conduction oil pump II, the heat conduction oil return pump 23 is started, and the heat conduction oil in the discharge tank 21 is discharged into the heat conduction oil filter screen I by the heat conduction oil filter screen I.
In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or unit must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heat conduction oil filter screen emptying device system for a groove type solar thermal power station comprises a heat conduction oil filter screen I, a heat conduction oil pump II, a power generation module III and an expansion tank IV, wherein the heat conduction oil expansion tank IV is connected with the heat conduction oil filter screen I through a pipeline provided with a manual butterfly valve A (16), and the other end of the heat conduction oil filter screen I is connected with the heat conduction oil pump II through a pipeline provided with a manual butterfly valve B (17); the other end of the heat-conducting oil pump II is connected with the power generation module III through a pipeline provided with a check valve C (18) and a pneumatic adjusting butterfly valve A (19); the other end of the power generation module III is connected with the expansion tank IV through a pipeline provided with a pneumatic adjusting butterfly valve B (20); the method is characterized in that: the device also comprises a discharge tank (21), wherein the discharge tank (21) is connected with the heat conduction oil filter screen I through a pipeline.
2. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is connected with the heat conduction oil filter screen I through a pipeline provided with a fifth manual stop valve (5) and a fourth manual stop valve (4).
3. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is sequentially connected with the heat conduction oil filter screen I through a pipeline which is sequentially provided with a twelfth manual stop valve (12), an exhaust fan (25), a third manual stop valve (3) and a first manual stop valve (1).
4. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is connected with the activated carbon filter (24) through a pipeline which is sequentially provided with a twelfth manual stop valve (12), an exhaust fan (25), a check valve A (13) and a second manual stop valve (2).
5. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is connected with the heat conduction oil filter screen I through a pipeline provided with a fifteenth manual stop valve (15).
6. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is connected with a heat conduction oil filter screen I through a pipeline which is sequentially provided with a ninth manual stop valve (9), a heat conduction oil return pump (23), a check valve B (14), a pneumatic regulating valve (10) and an eleventh manual stop valve (11).
7. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: the discharge tank (21) is connected with a pressure instrument (26) through a pipeline provided with a sixth manual stop valve (6); the discharge tank (21) is also connected with a liquid level meter (27) through a pipeline provided with a seventh manual stop valve (7); the discharge tank (21) is also connected with a nitrogen charging connector (28) through a pipeline provided with an eighth manual stop valve (8).
8. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 1, wherein the emptying device comprises: and a heater mounting insertion hole is formed in one side of the discharge tank (21), and the electric heating device (22) is inserted into the heater mounting insertion hole and connected through a flange.
9. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 4, wherein the emptying device comprises: the exhaust fan (25) is connected with the pipeline through a flange and a bolt, and the activated carbon filter (24) is connected with the pipeline flange through the flange.
10. The heat-conducting oil filter screen emptying device system for the trough-type solar photothermal power station as claimed in claim 6, wherein the emptying device comprises: and the two ends of the inlet and the outlet of the heat conduction oil return pump (23) are connected with inlet and outlet pipelines through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254056.XU CN214406533U (en) | 2020-12-30 | 2020-12-30 | Heat conduction oil filter screen emptying device system for groove type solar thermal power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254056.XU CN214406533U (en) | 2020-12-30 | 2020-12-30 | Heat conduction oil filter screen emptying device system for groove type solar thermal power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214406533U true CN214406533U (en) | 2021-10-15 |
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ID=78042093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023254056.XU Active CN214406533U (en) | 2020-12-30 | 2020-12-30 | Heat conduction oil filter screen emptying device system for groove type solar thermal power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214406533U (en) |
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2020
- 2020-12-30 CN CN202023254056.XU patent/CN214406533U/en active Active
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