CN111350595A - Control system of shale gas supply device at wellhead of micro gas turbine generator - Google Patents
Control system of shale gas supply device at wellhead of micro gas turbine generator Download PDFInfo
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- CN111350595A CN111350595A CN202010349595.7A CN202010349595A CN111350595A CN 111350595 A CN111350595 A CN 111350595A CN 202010349595 A CN202010349595 A CN 202010349595A CN 111350595 A CN111350595 A CN 111350595A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/232—Fuel valves; Draining valves or systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The invention discloses a control system of a shale gas supply device at a wellhead of a micro gas turbine generator, wherein the control protection system comprises a particle droplet control system, a temperature control system, a pressure control system, a liquid level control system, a water and hydrocarbon dew point control system, a fine processing control system and a system safety protection system which are independently arranged in parallel, a working condition parameter signal acquisition system transmits acquired signals to a logic judgment command system, the logic judgment command system is respectively connected with a parameter setting system, the control protection system and a data storage and remote transmission system, and a micro gas turbine power generation system is respectively connected with the parameter setting system, the control protection system and the data storage and remote transmission system. Has the advantages that: the stable control of the water hydrocarbon dew point is realized, and the normal and stable operation of the micro gas turbine is ensured; the pollution discharge is accurately controlled according to the fluctuation condition of the actual working condition, and the overall operation cost is reduced; automatic liquid drainage under different working condition fluctuation is realized, and the risks of trip and gas leakage are reduced.
Description
Technical Field
The invention relates to the field of shale gas, in particular to a control system of a micro gas turbine generator wellhead shale gas supply device.
Background
In the shale gas fracturing process, a plurality of sets of high-power electric equipment are required to continuously work, gas wells are located in remote areas, peripheral power grid facilities cannot guarantee the power supply requirement of the electric equipment required by the fracturing process, a conventional diesel generator set needs to be provided with a large amount of diesel, the cost and the freight cost are very high, if a shale gas turbine generator set is adopted, fuel is obtained on site, the occupied area is small, and the shale gas turbine generator set has the advantage of large cost.
The existing gas supply control system of the micro gas turbine is generally applied to pipeline gas and liquefied natural gas and cannot be applied to wellhead shale gas because the working condition of the shale gas well fluctuates greatly, the dew points of shale gas, water and hydrocarbon under different working conditions are different, and the micro gas turbine can normally work only when the dew points of the shale gas, water and hydrocarbon are in a safe range, but the target working condition variation range of the existing system is smaller, the control is not carried out according to the fluctuation value of the actual working condition, but a fixed dew point is directly determined according to the cooling temperature of the system, so that the existing system cannot adapt to the requirements of the fluctuation range of the working condition of the shale gas and the normal and stable operation of the gas; meanwhile, in the liquid level control of the existing system, the liquid level control system is difficult to adapt to the working condition variation range of gas coming from the shale gas well, if the vast majority of systems adopting water delivery valves are used, the liquid is automatically discharged when liquid exists, the liquid is automatically closed after liquid is discharged, once the selection of the drainage valve is determined, the reliability of automatic closing is related to the working condition parameters of the gas, but the variation range of the shale gas pressure and the flow is large, and when other pressures are changed in a large range, the drainage valve cannot be closed timely or reliably.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a control system of a shale gas supply device at the wellhead of a micro gas turbine generator, which realizes the stable control and automatic liquid discharge of a hydrocarbon dew point under the condition of working condition fluctuation, reduces the risks of machine tripping and gas leakage, ensures the normal and stable operation of the micro gas turbine, reduces the overall operation cost, and provides stable power supply for all electric equipment for shale gas fracturing operation.
The aim of the invention is achieved by the following technical measures: a control system of a shale gas supply device at a wellhead of a micro gas turbine generator comprises a working condition parameter signal acquisition system (1), a parameter setting system (2), a logic judgment command system (3), a data storage and remote transmission system (4), a control protection system (5) and a micro gas turbine power generation system (13), wherein the control protection system (5) comprises a particle droplet control system (6), a temperature control system (7), a pressure control system (8), a liquid level control system (9), a water hydrocarbon dew point control system (10), a fine processing control system (11) and a system safety protection system (12) which are independent and arranged in parallel, the water hydrocarbon dew point control system (10) is used for determining dew point values of different working conditions, stable control of a water hydrocarbon dew point under working condition fluctuation is realized, and the liquid level control system (9) is used for realizing automatic pollution discharge under working condition fluctuation, the fine processing control system (11) is used for realizing accurate blowdown of the liquid level control system (9) and preventing water and hydrocarbon of shale gas outlet from continuously separating out, the working condition parameter signal acquisition system (1) transmits the acquisition signal to the logic judgment command system (3), the logic judgment command system (3) is respectively connected with the parameter setting system (2), the control protection system (5) and the data storage remote transmission system (4), and the micro gas turbine power generation system (13) is respectively connected with the parameter setting system (2), the control protection system (5) and the data storage remote transmission system (4).
Further, the water hydrocarbon dew point control system (10) comprises a refrigerating unit, a cooler secondary refrigerant bypass valve, a pipeline and pipeline accessories, wherein the refrigerating unit is used for realizing condensation of water vapor and heavy hydrocarbon in the shale gas, the cooler is used for realizing heat exchange between the secondary refrigerant and the shale gas, and the cooler secondary refrigerant bypass valve is used for adjusting the flow of the cooler secondary refrigerant.
Furthermore, the fine processing control system (11) comprises a differential pressure transmitter, a temperature compensation sensor, a flowmeter, a cable and a cable accessory, wherein the flowmeter is used for acquiring an actual flow value of the shale gas, and the differential pressure transmitter and the temperature compensation sensor are used for correcting the flowmeter.
Further, the liquid level control system (9) comprises a liquid level detection element, an automatic blowdown valve, a manual blowdown valve, a one-way valve, a separator and a blowdown pipe, wherein the manual blowdown valve and the automatic blowdown valve are connected in parallel and used for blowdown, and the liquid level detection element is used for realizing real-time monitoring of a liquid level value.
Compared with the prior art, the invention has the beneficial effects that: the water-hydrocarbon dew point determining system controls water-hydrocarbon dew point values under different working conditions, so that water vapor and heavy hydrocarbon are condensed and separated out under the condition of fluctuation of the working conditions, the stable control of the water-hydrocarbon dew point is achieved, the requirement of the micro gas turbine on the shale gas-water hydrocarbon dew point is met, and the normal and stable operation of the micro gas turbine is ensured; the fine treatment control system accurately controls pollution discharge according to fluctuation conditions of actual working conditions, prevents water and hydrocarbon in the shale gas outlet gas from being continuously separated out, and reduces the overall operation cost; the liquid level control system realizes automatic liquid drainage under different working condition fluctuations, and reduces the risks of trip and air leakage.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of a control system of a micro gas turbine generator wellhead shale gas supply device.
The reference numbers in the drawings are as follows: 1. the system comprises a working condition parameter signal acquisition system, 2 a parameter setting system, 3 a logic judgment command system, 4 a data storage and remote transmission system, 5 a control protection system, 6 a particle liquid drop control system, 7 a temperature control system, 8 a pressure control system, 9 a liquid level control system, 10 a water hydrocarbon dew point control system, 11 a fine processing control system, 12 a system safety protection system and 13 a micro gas turbine power generation system.
Detailed Description
As shown in fig. 1, a control system of shale gas supply device at wellhead of micro gas turbine generator comprises a working condition parameter signal acquisition system 1, a parameter setting system 2, a logic judgment command system 3, a data storage remote transmission system 4, a control protection system 5 and a micro gas turbine power generation system 13, wherein the control protection system 5 comprises a particle droplet control system 6, a temperature control system 7, a pressure control system 8, a liquid level control system 9, a water hydrocarbon dew point control system 10, a fine processing control system 11 and a system safety protection system 12, which are independent and parallel to each other, the water hydrocarbon dew point control system 10 is used for determining dew point values of different working conditions to realize stable control of water hydrocarbon dew points under working condition fluctuation, the liquid level control system 9 is used for realizing automatic pollution discharge under working condition fluctuation, the fine processing control system 11 is used for realizing accurate pollution discharge of the liquid level control system 9 and preventing continuous precipitation of water hydrocarbon of shale gas outlet, the working condition parameter signal acquisition system 1 transmits the acquired signals to the logic judgment command system 3, the logic judgment command system 3 is respectively connected with the parameter setting system 2, the control protection system 5 and the data storage remote transmission system 4, and the micro gas turbine power generation system 13 is respectively connected with the parameter setting system 2, the control protection system 5 and the data storage remote transmission system 4.
The working condition parameter signal acquisition system 1 comprises a temperature detection element, a pressure detection element, a flow detection element, a pressure difference detection element, a liquid level detection element, a signal cable and a pressure root valve, the working condition parameter signal acquisition system 1 detects the temperature through the temperature detection element and transmits the temperature to the logic judgment command system through the signal cable, and similarly, the flow detection element, the pressure difference detection element and the liquid level detection element transmit the detected flow, pressure difference and liquid level signals to the logic judgment command system 3.
The parameter setting system 2 comprises a signal input part, a transmission cable and a storage part, the parameter setting system 2 provides an input interface and a human-computer interaction interface, manual or automatic input of a control program and a set value is carried out, the control program and the set value are transmitted to the logic judgment and command system 3 through the cable, and meanwhile, the parameter setting system 2 is internally provided with a parameter setting range to meet automatic acquisition of parameters under different working conditions.
Digital signals of key parameters such as air inlet pressure, temperature, rotating speed, vibration value and the like of the micro gas turbine power generation system 13 are transmitted through an interface in the parameter setting system.
The logic judgment command system 3 comprises a logic control unit, an I/O input/output unit, a power supply and an instruction storage unit, and is used for meeting the judgment of different parameters.
The data storage and remote transmission system 4 comprises a storage unit, a transmission unit, a data conversion unit and a display unit, and meets the requirements of real-time parameter display, calling at a certain moment and analysis in the operation process of the shale gas supply device at the wellhead of the micro gas turbine generator, so as to realize remote scheduling decision, remote emergency shutdown and the like.
Granule liquid drop control system 6 includes granule liquid drop filtering unit, inspection clearance unit and pipeline unit, and granule liquid drop filtering unit is arranged in most granule and the liquid drop that is greater than 10um in the desorption shale gas, through the regular inspection of inspection clearance unit and clearance, ensures that desorption efficiency is stable more than 99 ~ 99.9%, satisfies gas turbine to granule and liquid drop content and the control of size.
The temperature control system 7 comprises a heating unit and a cooling unit, the cooling unit adopts a refrigerator, the heating unit adopts an electric heater, and the temperature control system 7 is used for meeting the requirement of gas inlet of the gas turbine on temperature. Alternatively, the cooling unit may employ a freeze dryer and the heating unit may employ a hot water/steam/water jacket furnace for heating.
The pressure control system 8 comprises a pressure regulating valve, a pressure taking pipe and a root valve, and meets the requirement of the gas turbine on the air inlet pressure.
The water hydrocarbon dew point control system 10 comprises a refrigerating unit, a cooler, a heat preservation component, a circulating water pump, a gas-liquid separator, a cooler secondary refrigerant inlet and outlet valve, a cooler natural gas inlet valve, a cooler secondary refrigerant bypass valve, a pipeline and pipeline accessories, wherein the refrigerating unit is used for realizing condensation of water vapor and heavy hydrocarbon in shale gas, the cooler is used for realizing heat exchange between the secondary refrigerant and the shale gas, the cooler secondary refrigerant bypass valve is used for adjusting the flow of the cooler secondary refrigerant, and the working condition that the flow of the shale gas comes from the gas flow changes is adapted to a larger range. Obtaining a shale gas inlet temperature variation range, a flow variation range, a pressure variation range, a component variation range and a water content variation range through an early prediction means such as a test well, further determining the highest value and the lowest value of a dew point, determining n intermediate values (n is more than or equal to 0) through an interpolation method, and finally obtaining dew point theoretical values under different working conditions: the maximum value, the minimum value and the intermediate value n (n is more than or equal to 0) of 1 … … are obtained, the logic judgment system 3 stores the dew point theoretical value and the shale gas inlet temperature, flow and pressure corresponding to the dew point theoretical value into the shale gas parameter group of the parameter setting system 2, and simultaneously determines the coolant flow and the coolant temperature at the cooler inlet corresponding to different dew point theoretical values and stores the coolant flow and the coolant temperature into the shale gas parameter group of the parameter setting system 2; the parameter setting system 2 is internally provided with shale gas components, and an operator can also obtain the real-time shale gas components through a gas chromatograph and store the real-time shale gas components into a shale gas parameter group of the parameter setting system 2; the logic judgment commanding system 3 screens out a group of closest numerical values from the shale gas parameter group of the parameter setting system 2 according to the shale gas components transmitted by the parameter setting system 2 and the shale gas inlet temperature, pressure and flow transmitted by the working condition parameter signal acquisition system 1, takes the coolant flow and the coolant temperature at the cooler inlet as current target values, and controls the refrigerating unit according to the required coolant temperature at the cooler inlet; the working condition parameter signal acquisition system 1 is provided with a temperature detection element at the cooler inlet, the actual temperature of the secondary refrigerant at the cooler inlet is detected in real time and converted into an electric signal to be transmitted to the logic judgment command system 3, the parameter setting system 2 is also provided with an allowable temperature deviation range, if the deviation of the temperature detected by the working condition parameter signal acquisition system 1 and a target value exceeds the allowable temperature deviation range, the logic judgment command system 3 sends an adjusting instruction, an operator adjusts the opening of the bypass valve of the secondary refrigerant of the cooler until the requirement is met, the continuous stability of the outlet temperature of the refrigerating unit under different working conditions is realized, water vapor and heavy hydrocarbon are condensed and separated out under the condition of working condition fluctuation, so that the stable control of the water-hydrocarbon dew point is achieved, the requirement of the micro gas turbine on the shale gas-water-hydrocarbon is met, and the normal stable. Alternatively, the refrigeration unit may be replaced by a refrigerated dryer; the flow of the secondary refrigerant can be automatically controlled, and the secondary refrigerant inlet and outlet valves of the cooler can be replaced by electric or pneumatic regulating valves.
The liquid level control system 9 comprises a liquid level detection element, an automatic blowdown valve, a manual blowdown valve, a one-way valve, a separator and a blowdown pipe, wherein the manual blowdown valve and the automatic blowdown valve are connected in parallel for blowdown, and the liquid level detection element is used for realizing real-time monitoring of a liquid level value; determining the lowest liquid level values under different working conditions according to the shale gas inlet temperature variation range, the flow variation range and the pressure variation range obtained by the early prediction means, storing the lowest liquid level values under different working conditions into the parameter setting system 2, and simultaneously setting the high stop value, the high alarm value, the high regulation value, the low alarm value and the low stop value of the liquid level and storing the high stop value, the high alarm value, the high regulation value, the low alarm value and the low stop value into the parameter setting system 2; the working condition parameter signal acquisition system 1 detects the shale gas inlet temperature, flow and pressure in real time and converts the shale gas inlet temperature, flow and pressure into electric signals to be transmitted to the logic judgment command system 3, the logic judgment command system 3 retrieves the nearest lowest liquid level value in the parameter setting system 2 through the received temperature, flow and pressure to be used as the lowest liquid level value allowed under the current working condition, the liquid level is detected in real time through a liquid level detection element of the liquid level control system 9, when the liquid level reaches a high regulation value, the logic judgment command system 3 sends an instruction to open the automatic blowdown valve for blowdown, and when the liquid level reaches a low regulation value, the logic judgment command system 3 sends an instruction to close the automatic blowdown valve; the front and the back of the automatic blowdown valve are provided with cut-off valves, and when the automatic blowdown valve fails, blowdown can be carried out through the manual blowdown valve. Alternatively, the low shutdown value may be set to be automatically adjusted, the liquid level detection element may select a magnetic flap or other type of liquid level meter, and the automatic blowdown valve may select a pneumatic switch valve or an axial flow pneumatic switch valve or an electric axial flow switch valve or a pneumatic electric regulating valve.
The fine processing control system 11 comprises a differential pressure transmitter, a temperature compensation sensor, a flowmeter, a pressure compensation sensor, a cable and a cable accessory, wherein the flowmeter is used for acquiring an actual flow value of the shale gas, and the differential pressure transmitter and the temperature compensation sensor are used for correcting the flowmeter. According to a group of closest numerical values screened by the logic judgment command system 3 in the shale gas parameter group of the parameter setting system 2, taking a dew point theoretical value as a current dew point value, obtaining the sewage discharge amount required by the liquid level control system 9 according to the obtained current dew point value and the flow change range of shale gas obtained by prediction in the early stage, determining a theoretical time range in which the automatic sewage discharge valve needs to be opened and storing the theoretical time range in the parameter setting system 2 by combining the diameter of the separator, the sewage discharge pipe diameter and the obtained shale gas actual flow value, measuring the shale gas actual flow in the theoretical time range by the flow meter and storing the shale gas actual flow in the parameter setting system 2, calculating the accumulated flow of the shale gas before the automatic sewage discharge valve is opened by the logic judgment system 3, converting the shale gas accumulated flow into the liquid amount which the separator needs to discharge, and combining the real-time liquid level to obtain the actual time in which the automatic sewage discharge valve, the obtained actual time is compared with the fixed liquid storage time of the liquid level control system 9, the smaller value between the actual time and the fixed liquid storage time is taken as the optimal opening time of the automatic blowdown valve, accurate blowdown is realized, the capacity of preventing blowdown and gas leakage is further improved, and then accurate and reliable control of the dew point is realized. According to the obtained current dew point value, obtaining a temperature control target value z by a temperature control target value z which is (the current dew point value + y) DEG C (y is more than or equal to 0, y is the allowance required by the combustion engine and corresponds to the requirement of the combustion engine), setting a parameter setting system 2 with an allowable temperature deviation range, comparing the shale gas outlet temperature acquired by a logic judgment commanding system 3 through a working condition parameter signal acquisition system 1 with the temperature control target value z, and preventing the continuous precipitation of gas, water and hydrocarbon of the shale gas outlet: when the collected temperature is lower than the temperature control target value z, the logic judgment command system 3 sends an instruction to start a heating unit of the temperature control system 7 to increase the temperature until the temperature reaches the temperature control target value z which is close to the temperature control target value z within the allowable temperature deviation range; when the collected temperature is higher than the temperature control target value z, the logic judgment command system 3 sends an instruction to close the heating unit, so that the system power consumption is saved, the overall operation cost is reduced,
the system safety protection system 12 comprises a cut-off valve, a safety relief valve, a pressure relief valve, a manual relief valve, a warning lamp, a buzzer and a pipeline cable, the system safety protection system 12 comprises a pressure sub-protection system, and the pressure sub-protection system has triple protection: a particle liquid drop control system 6, a fine processing control system 11 and a pressure control system 8 are respectively provided with a pressure relief valve and a manual relief valve, so that the pressure at each part in emergency can be timely released, and first heavy pressure protection is realized; the working condition parameter signal acquisition system 1 transmits the pressure of the measuring point to the logic judgment command system 3 through a cable, when an alarm value is reached, an alarm is given through an indicator lamp and a buzzer, the logic judgment command system 3 outputs a signal, and alarm content is displayed in a human-computer interaction interface of the parameter setting system 2 for an operator to judge and operate so as to realize second pressure protection; when the detection pressure of the working condition parameter signal acquisition system 1 reaches the set cut-off pressure, the logic judgment command system 3 sends an instruction to the cut-off valve to cut off the cut-off valve in time, so as to realize the third pressure protection.
According to the technical scheme, water-hydrocarbon dew point values under different working conditions are determined through a water-hydrocarbon dew point control system, so that water vapor and heavy hydrocarbon are condensed and separated out under the condition of fluctuation of the working conditions, the stable control of the water-hydrocarbon dew point is achieved, the requirement of a micro gas turbine on the shale gas-water-hydrocarbon dew point is met, and the normal and stable operation of the micro gas turbine is ensured; the fine treatment control system accurately controls pollution discharge according to fluctuation conditions of actual working conditions, prevents water and hydrocarbon in the shale gas outlet gas from being continuously separated out, and reduces the overall operation cost; the liquid level control system realizes automatic liquid drainage under different working condition fluctuations, and reduces the risks of trip and air leakage.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a miniature gas turbine generator well head shale gas air feeder control system which characterized in that: the device comprises a working condition parameter signal acquisition system (1), a parameter setting system (2), a logic judgment command system (3), a data storage and remote transmission system (4), a control protection system (5) and a micro gas turbine power generation system (13), wherein the control protection system (5) comprises a particle liquid drop control system (6), a temperature control system (7), a pressure control system (8), a liquid level control system (9), a water hydrocarbon dew point control system (10), a fine processing control system (11) and a system safety protection system (12), which are independent and arranged in parallel, the water hydrocarbon dew point control system (10) is used for determining dew point values of different working conditions, so that stable control of water hydrocarbon dew points under working condition fluctuation is realized, the liquid level control system (9) is used for realizing automatic pollution discharge under working condition fluctuation, the fine processing control system (11) is used for realizing accurate pollution discharge of the liquid level control system (9) and preventing continuous precipitation of water hydrocarbon of shale gas outlet, the working condition parameter signal acquisition system (1) transmits an acquired signal to the logic judgment command system (3), the logic judgment command system (3) is respectively connected with the parameter setting system (2), the control protection system (5) and the data storage remote transmission system (4), and the micro gas turbine power generation system (13) is respectively connected with the parameter setting system (2), the control protection system (5) and the data storage remote transmission system (4).
2. The micro gas turbine generator wellhead shale gas supply device control system of claim 1, wherein: the water hydrocarbon dew point control system (10) comprises a refrigerating unit, a cooler secondary refrigerant bypass valve, a pipeline and pipeline accessories, wherein the refrigerating unit is used for realizing condensation of water vapor and heavy hydrocarbon in shale gas, the cooler is used for realizing heat exchange between secondary refrigerant and the shale gas, and the cooler secondary refrigerant bypass valve is used for adjusting the flow of the cooler secondary refrigerant.
3. The micro gas turbine generator wellhead shale gas supply device control system of claim 1, wherein: the fine processing control system (11) comprises a differential pressure transmitter, a temperature compensation sensor, a flowmeter, a cable and a cable accessory, wherein the flowmeter is used for acquiring an actual flow value of the shale gas, and the differential pressure transmitter and the temperature compensation sensor are used for correcting the flowmeter.
4. The micro gas turbine generator wellhead shale gas supply device control system of claim 1, wherein: the liquid level control system (9) comprises a liquid level detection element, an automatic blowdown valve, a manual blowdown valve, a one-way valve, a separator and a blowdown pipe, wherein the manual blowdown valve and the automatic blowdown valve are connected in parallel and used for blowdown, and the liquid level detection element is used for realizing real-time monitoring of a liquid level value.
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