CN111237129A - Wind-solar hybrid off-line power generation driving block oil production system - Google Patents
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- 238000010248 power generation Methods 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 44
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims 3
- 239000003921 oil Substances 0.000 description 44
- 230000000295 complement effect Effects 0.000 description 8
- 238000011161 development Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
In order to improve the comprehensive utilization efficiency of energy, the invention provides a novel wind-solar hybrid off-line power generation driving block oil production system which comprises a wind power generation module, a groove type solar heat collection power generation module, a controller, an energy storage module and an oil storage tank heating system, wherein the wind power generation module is connected with the controller through a first rectifier; the trough type solar heat collection power generation module comprises a trough type solar heat collection plate, a steam generator and a small steam turbine power generation system which are sequentially connected, and the power output end of the small steam turbine power generation system is connected with the controller through a second rectifier; the power input end of the energy storage module is connected with the controller, and the power output end of the energy storage module is sequentially connected with the inverter and the oil pumping equipment through the controller; the oil storage tank heating system comprises a heat exchanger and a direct-current auxiliary heating device, wherein an inlet of the heat exchanger is connected with a small-sized steam turbine power generation system, an outlet of the heat exchanger is connected with a steam generator after passing through a condenser, and an electric output end of an energy storage module is connected with an electric input end of the direct-current auxiliary heating device through a controller.
Description
Technical Field
The invention relates to the technical field of oilfield natural gas development, in particular to a wind-solar hybrid off-line power generation driving block oil production system.
Background
At present, the oil extraction mode of the artificial lift commonly adopted in oil fields in China is oil extraction by an oil pumping machine, and the oil extraction system of the existing oil pumping machine has the biggest problems of low efficiency and high power consumption, the system efficiency generally does not exceed 30 percent, and the annual power consumption accounts for 20 to 30 percent of the total power consumption of the oil fields. As a large energy consumer, an oil field is very necessary to research and apply new energy, wherein wind energy and solar energy are generally accepted new energy, and particularly, an offline power grid formed by a wind-solar complementary power generation mode effectively overcomes the defects of poor stability, low energy density and the like of single wind energy and solar energy power generation, can be complementarily utilized, and has positive application and popularization values.
At present, related researches on wind-solar complementary off-line power generation driving block oil production systems are few in China, and the number of applications is less. The platform power is supplemented by a wind power generation technology in the field platform of the Chengqing field from 2 months in 2004, and certain experience is obtained. In 2014, the Liaohe oil field adopts a wind power generation supplementary platform power grid to carry out oil extraction of the oil pumping unit on a beach platform, and a certain effect is achieved. With the increasing maturity of wind power generation technology and solar photovoltaic power generation technology, wind-solar complementary offline power generation is applied to places outside oil fields in China, and has better effects if applied to multiple fields such as remote block family and community power supply, vehicle charging, road illumination and the like.
The development of a multi-energy complementary distributed energy system starts at the beginning of the 21 st century, related theoretical and technical researches are firstly developed in the united states, an energy integration system development plan is proposed in 2001, and the development of the energy integration system is promoted by improving the share of renewable energy in an energy supply chain on the premise of ensuring the reliable operation of the energy system. Later, switzerland, denmark and other countries have also developed research on multi-energy complementary distributed energy systems and set up relevant popularization policies. The national development reform committee and the energy agency jointly release implementation opinions about promoting the construction of multi-energy complementary integration optimization demonstration engineering in 2016, point out that a terminal integrated energy supply system is built, development and utilization of traditional energy sources, wind energy, solar energy and other energy sources are implemented according to local conditions, and comprehensive utilization efficiency of the energy sources is improved. In order to achieve the aim, a micro-grid power generation driving block oil production system is constructed by wind-solar complementary power generation to carry out a pilot test, and a good application effect is achieved. The micro-grid technology represents the development trend of a future distributed energy supply system, is an important component of a future intelligent power distribution and utilization system, and has important significance for promoting energy conservation and emission reduction and realizing sustainable energy development. In the prior art, a plurality of technologies related to wind and light complementation exist, and no technology applied to the aspect of off-line power generation driving block oil extraction exists at present, so that a novel wind and light complementation off-line power generation driving block oil extraction system is invented, and the technical problems are solved.
Disclosure of Invention
In order to solve the problems, the invention provides a wind-solar hybrid offline power generation driving block oil production system, which adopts the following technical scheme:
wind-solar hybrid off-line power generation driving block oil production system is characterized by mainly comprising a wind power generation module, a groove type solar heat collection power generation module, a controller, an energy storage module and an oil storage tank heating system, wherein:
the wind power generation module mainly comprises a wind power generator, and the power of the wind power generator is connected with the controller through a first rectifier;
the groove type solar heat collection power generation module mainly comprises a groove type solar heat collection plate, a steam generator and a small steam turbine power generation system which are sequentially connected, wherein the power output end of the small steam turbine power generation system is connected with the controller through a second rectifier;
the energy storage module consists of a plurality of groups of storage batteries, each group of storage batteries is connected with a detection circuit for testing voltage and current, each group of storage battery charging loop and each group of load loop are respectively connected with a relay, the detection circuit is connected with a signal input end of the controller, each group of relays is connected with a signal output end of the controller, an electric power input end of the energy storage module is connected with the controller, and an electric power output end of the energy storage module is sequentially connected with the inverter and the oil pumping equipment through the controller;
the oil storage tank heating system mainly comprises a heat exchanger and a direct-current auxiliary heating device, wherein the heat exchanger is positioned in the oil storage tank, the inlet of the heat exchanger is connected with a small-sized steam turbine power generation system, the outlet of the heat exchanger is connected with a steam generator after passing through a condenser, and the direct-current auxiliary heating device connected with a controller is also arranged in the oil storage tank;
in addition, the power output end of the energy storage module is also connected with the power input end of the direct-current auxiliary heat device through a controller.
Preferably, the trough-type solar heat collection power generation module further comprises a condenser, one end of the condenser is connected with the steam generator, and the other end of the condenser is connected with the output end of the heat exchanger.
Preferably, the inverter comprises a DC/AC converter, an IGBT switching circuit, a DSP digital signal controller and a load monitoring circuit, one end of the DC/AC converter is connected to the controller, the other end is connected to the IGBT switching circuit, an output end of the IGBT switching circuit is connected to the load monitoring circuit, and an output end of the load monitoring circuit is connected to the IGBT switching circuit through the DSP digital signal controller.
Preferably, the wind power generation module further comprises a rotation speed controller.
The invention has the beneficial effects that:
1. the solar heat collection power generation system not only provides power generation, but also realizes the heating of an oil storage tank or a tubular heating furnace by waste heat, thereby improving the energy efficiency;
2. the special inverter for the oil pumping unit is configured, has the function of tracking the load and automatically regulating the voltage, and simultaneously has the functions of frequency modulation and speed regulation, soft start and soft stop and comprehensive protection;
3. the whole system adopts a multi-energy complementary load self-adaptive control strategy, and various working conditions such as normal working conditions, windless and light conditions, windless and lightless and the like are considered, so that the continuous operation of the whole system is maintained.
Drawings
FIG. 1 is a schematic structural diagram of a wind-solar hybrid off-line power generation driving block oil production system
FIG. 2 is a schematic diagram of an inverter circuit
The system comprises a wind driven generator 1, a first rectifier 2, a rotating speed controller 3, a controller 4, a trough type solar heat collecting plate 5, a steam generator 6, a small steam turbine power generation system 7, a second rectifier 8, an energy storage module 9, an inverter 10, an oil pumping unit 11, a heat exchange heat exchanger 12, a direct current auxiliary heating device 13, a condenser 14, an oil storage tank 15, a DC/AC converter 16, an IGBT switching circuit 17, a load monitoring circuit 18 and a DSP digital signal controller 19.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to fig. 1-2. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of describing the invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the invention.
The wind-solar hybrid offline power generation driving block oil production system shown in fig. 1 mainly comprises a wind power generation module, a trough type solar heat collection power generation module, an energy storage module and a controller 4.
The wind power generation module comprises a permanent magnet variable pitch wind driven generator 1, a first rectifier 2 and a rotating speed controller 3, the permanent magnet variable pitch wind driven generator 1 is connected to the first rectifier 2 to generate current through wind power generation and transmit the current to the first rectifier 2, the first rectifier 2 is connected to the controller 4 to rectify the current and transmit the current to the controller 4, and the rotating speed controller 3 is connected to the permanent magnet variable pitch wind driven generator 1 to control the rotating speed of the permanent magnet variable pitch wind driven generator 1.
The groove type solar heat collection power generation system comprises a groove type solar heat collection plate 5, a steam generator 6, a small-sized steam turbine power generation system 7, a condenser 14, a second rectifier 8 and the like, the groove type solar heat collection plate 5 is provided with a plurality of heat conduction oil which reflects sunlight to heat vacuum tubes, the heat conduction oil in the vacuum tubes is collected and then enters the steam generator 6, the steam generator 6 generates hot steam, the temperature of the hot steam is generally not lower than 300 ℃, the steam drives the small-sized steam turbine power generation system 7 to generate power, the generated current is transmitted to the controller 4 through the second rectifier 8, in addition, the small-sized steam turbine power generation system 7 is also connected with the input end of the heat exchanger 12, the condenser 14 is connected between the steam generator 6 and the heat exchanger 12, specifically, one end of the condenser 14 is connected with the output end of the heat exchanger 12, the other end of the condenser is connected After the heating system of the heating furnace, the waste heat is condensed by the condenser 14 and then returned to the steam generator 6.
As shown in fig. 2, the inverter 10 is composed of a DC/AC converter 16, an IGBT switching circuit 17, a DSP digital signal controller 19, a load monitoring circuit 18, etc., and after being converted into alternating current by the DC/AC converter 16, the reactive power consumption such as inductance in a motor, etc. is eliminated by the IGBT switching circuit 17, and the on-off speed of a power switching device is adjusted. Meanwhile, a load monitoring circuit 18 is added, the current output by the IGBT switching circuit 17 is processed by a DSP digital signal controller 19 and then fed back to the IGBT switching circuit 17, and the frequency conversion control of the motor is realized by matching with pulse width modulation, and the attached figure 2 is a schematic diagram and can be increased as necessary according to specific design and use.
The energy storage module 9 is composed of a plurality of groups of storage battery packs, each group of storage batteries is connected with a detection circuit for testing voltage and current, each group of storage battery charging loop and load loop is individually connected with a relay, each group of relays is connected with a signal output end of the controller 4, the controller 4 detects voltage and current at two ends of each storage battery through the detection circuit, voltage and current detection values at two ends of each storage battery pack are transmitted to the controller 4, for example, the storage battery pack Ni with the lowest voltage is selected by detecting voltage values of each group, the storage battery pack Ni is preferentially charged, if the storage batteries are full, the relays act to disconnect the charging loop, and the storage batteries are not powered any more; continuously detecting the next group of storage battery pack Ni +1 to charge the storage battery pack Ni +1, if the storage battery pack is full, actuating a relay to disconnect a charging loop, and no longer supplying power to the storage battery pack, preferentially selecting to be full of the storage battery pack Ni for power supply at the earliest time in the discharging process according to the principle of first-in first-out, if the storage battery pack Ni is over-discharged, actuating the relay to disconnect a load circuit, no longer supplying power to a load, and charging the storage battery; and (4) supplying power according to the principle by analogy, if the battery pack is not fully charged, discharging (supplying power) is needed, and the battery pack Ni is preferably charged to the earliest extent to supply power according to the first-in first-out principle.
Since the storage battery can only bear certain charging current and floating charging voltage, the storage battery is seriously damaged by over-current and over-voltage charging. If the electric energy current that small-size steam turbine and wind-driven generator sent is too big, can consider simultaneously to carry out charge and discharge management to 2 groups or more than two sets of storage battery, control principle is the same in the same way, if storage battery is in full charge state, controller 4 is through adjusting small-size steam turbine steam volume and wind-driven generator rotational speed and then adjusting the electric energy that sends, consumes unnecessary energy in the system.
In specific use, various working conditions such as normal working conditions, windless and light conditions, windless and lightless and the like are considered. The special inverter 10 for the oil pumping unit is configured, has the function of tracking the load and automatically regulating the voltage (the required power and the output power), and has the functions of frequency modulation and speed regulation, soft start and soft stop and comprehensive protection. The input direct current is changed into 400-plus-600V three-phase alternating current; the oil storage tank 15 is heated by direct current, the developed oil pumping machine inverter 10 and the inversion 10 automatically detect bus voltage, overvoltage stall control is achieved, concentrated release of fed energy is avoided, accidents such as equipment burnout due to overvoltage and shutdown are avoided, backward power generation energy and electric consumption energy of all oil pumping machines on the same direct current bus are kept balanced, mutual feed sharing and recycling efficiency of the direct current bus energy and energy saving efficiency of the whole system are improved, and single-well redundancy is fully fused and reduced.
In the embodiment, according to the design of a 10-hole oil well, 370kW of power is needed, and 1800 kW.h of daily power consumption is mainly caused by the fact that a 37kW motor oil pumping unit is configured to have low actual power and low power consumption. The above are formed into 10 wells of the off-line power grid driving block. The well spacing is not more than 2km at most, and in addition, 3 oil storage tanks are arranged, and the total auxiliary electric heating power is 150 kW.
According to wind energy and solar energy 2: 1, power configuration is carried out, 50% of redundancy is ensured, the wind driven generator is preferentially considered for power generation, wherein the wind driven generator adopts a variable pitch wind driven generator, 4 fans of 35kW are configured, the power generation is carried out at 140kW, and 1700 kilowatt-hours of power generation are carried out on a normal day; the power of the groove type solar power generation system is 200kW, the daily effective power generation time is 6h, and the daily power generation time is 1000 kilowatt hours. Battery pack 24V200A storage battery 40 blocks, divided into 10 groups, reserved for 2 days, i.e. 2 days without wind (below grade 3) and rainy conditions.
Normal operating mode, illumination is normal, and the wind level is greater than 4 grades: wind energy and solar energy are used for generating power at the same time, the power enters the controller 4 through the rectifier, the controller 4 outputs direct current, the direct current is converted into three-phase alternating current of 400V through the special inverter 10 of the oil pumping unit at a wellhead, and the three-phase alternating current drives the oil pumping unit 11 to work; meanwhile, the energy storage port is charged in groups, the light energy is sufficient, and the oil storage tank is heated by the power generation waste heat of the small-sized steam turbine.
Windy, cloudy and rainy working conditions: due to the rainy condition, the groove type solar power generation system does not work, the wind level is not lower than 4, the wind driven generator 1 generates power and drives the system to work, the power enters the controller 4 through the first rectifier 2 rectifier, the controller 4 outputs direct current, the direct current is converted into three 400V alternating currents through the special inverter 10 of the pumping unit at the wellhead, and the pumping unit 11 is driven to work; the direct current heats the oil reservoir 15.
Normal working condition of windless illumination: the wind driven generator does not work, the groove type solar power generation system works, the energy storage system participates in partial discharge because the generated energy is not enough to drive the system to work, and the small-sized steam turbine generates power and heats the oil storage tank by waste heat.
Windless and rainy working conditions: the wind driven generator does not work, the groove type solar power generation system does not work, the system completely utilizes the electric energy of the energy storage system to work, the energy storage system is converted into three 400V alternating currents through the special inverter 10 of the pumping unit after direct current transmission to a well mouth, the three alternating currents drive the pumping unit 11 to work, and the direct current heats the oil storage tank 15.
The above examples are only preferred embodiments of the present invention, it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.
Claims (4)
1. Wind-solar hybrid off-line power generation driving block oil production system is characterized by mainly comprising a wind power generation module, a groove type solar heat collection power generation module, a controller, an energy storage module and an oil storage tank heating system, wherein:
the wind power generation module mainly comprises a wind power generator, and the power of the wind power generator is connected with the controller through a first rectifier;
the groove type solar heat collection power generation module mainly comprises a groove type solar heat collection plate, a steam generator and a small steam turbine power generation system which are sequentially connected, wherein the power output end of the small steam turbine power generation system is connected with the controller through a second rectifier;
the energy storage module consists of a plurality of groups of storage batteries, each group of storage batteries is connected with a detection circuit for testing voltage and current, each group of storage battery charging loop and each group of load loop are respectively connected with a relay, the detection circuit is connected with a signal input end of the controller, each group of relays is connected with a signal output end of the controller, an electric power input end of the energy storage module is connected with the controller, and an electric power output end of the energy storage module is sequentially connected with the inverter and the oil pumping equipment through the controller;
the oil storage tank heating system mainly comprises a heat exchanger and a direct-current auxiliary heating device, wherein the heat exchanger is positioned in the oil storage tank, the inlet of the heat exchanger is connected with a small-sized steam turbine power generation system, the outlet of the heat exchanger is connected with a steam generator after passing through a condenser, and the direct-current auxiliary heating device connected with a controller is also arranged in the oil storage tank;
in addition, the power output end of the energy storage module is also connected with the power input end of the direct-current auxiliary heat device through a controller.
2. The wind-solar hybrid off-line power generation driven block oil recovery system of claim 1, wherein the trough solar thermal collection and power generation module further comprises a condenser, one end of the condenser is connected to the steam generator, and the other end of the condenser is connected to the output end of the heat exchanger.
3. The wind-solar hybrid off-line power generation driving block oil recovery system according to claim 1, wherein the inverter comprises a DC/AC converter, an IGBT switching circuit, a DSP digital signal controller, and a load monitoring circuit, wherein one end of the DC/AC converter is connected to the controller, the other end of the DC/AC converter is connected to the IGBT switching circuit, an output end of the IGBT switching circuit is connected to the load monitoring circuit, and an output end of the load monitoring circuit is connected to the IGBT switching circuit through the DSP digital signal controller.
4. The wind-solar hybrid offline power-generation driven block oil recovery system of claim 1, wherein said wind power generation module further comprises a rotational speed controller.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648144A (en) * | 2020-12-25 | 2021-04-13 | 常州大学 | Oil recovery heat tracing heat source supply device based on wind generating set waste heat utilization |
| CN113258857A (en) * | 2021-05-26 | 2021-08-13 | 国网河北省电力有限公司电力科学研究院 | Multi-energy complementary power generation system |
| CN113669039A (en) * | 2021-09-13 | 2021-11-19 | 中国石油大学(华东) | Steam-assisted thickened oil thermal recovery system |
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