CN114320601A - Gas turbine waste heat recovery system and oil gas exploitation system with same - Google Patents
Gas turbine waste heat recovery system and oil gas exploitation system with same Download PDFInfo
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- CN114320601A CN114320601A CN202111545148.XA CN202111545148A CN114320601A CN 114320601 A CN114320601 A CN 114320601A CN 202111545148 A CN202111545148 A CN 202111545148A CN 114320601 A CN114320601 A CN 114320601A
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- 239000007789 gas Substances 0.000 title claims abstract description 97
- 239000002918 waste heat Substances 0.000 title claims abstract description 96
- 238000011084 recovery Methods 0.000 title claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000003546 flue gas Substances 0.000 claims abstract description 89
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 63
- 239000002699 waste material Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 21
- 230000008901 benefit Effects 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 9
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
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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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The application relates to a gas turbine waste heat recovery system and oil gas exploitation system who has it belongs to waste heat recovery technical field, gas turbine waste heat recovery system includes: the system comprises a flue gas waste heat boiler, a steam generator set and a steam generator set, wherein the flue gas waste heat boiler is used for collecting flue gas generated by the gas turbine set and producing superheated saturated steam by utilizing the flue gas; and the fracturing equipment is connected with the steam output end of the flue gas waste heat boiler and is used for injecting steam into the oil gas production well. According to the waste heat recovery system of the gas turbine, the exhausted flue gas waste heat generated after the power generation of the gas turbine set is utilized to produce the supersaturated steam, the supersaturated steam is injected into the oil gas exploitation well, and the flue gas waste heat is recycled, so that the purposes of energy conservation and emission reduction are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
Description
Technical Field
The application relates to the technical field of oil exploitation, in particular to a waste heat recovery system of a gas turbine and an oil gas exploitation system with the waste heat recovery system.
Background
The oil geological reserves contain a considerable proportion of thick oil and super thick oil, the thick oil has large flow resistance and difficult exploitation, and the steam injection oil exploitation is a safe, efficient and clean effective way for improving the yield of the thick oil. At present, steam required by the steam injection petroleum exploitation process is mostly generated by an oil-fired boiler, and then the steam is injected into an oil layer under an oil production well through a pipeline. The traditional oil-fired boiler needs to consume a large amount of high-quality fuel to produce steam, the overall economy is reduced, and meanwhile, the oil-fired boiler discharges a large amount of harmful gases such as nitrogen oxides, sulfides and carbon monoxide to cause environmental pollution.
At present, traditional diesel power equipment is mostly adopted in well site oil exploitation, and some well sites utilize waste heat of tail gas discharged by a diesel engine to recycle and generate steam, and the mode generally has the defects of low temperature of discharged flue gas (generally lower than 400 ℃), small flue gas amount, higher energy consumption, low energy utilization rate, high equipment noise, environmental pollution caused by equipment discharge, poor economic benefit and the like.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the waste heat recovery system of the gas turbine can recycle the waste heat of the flue gas generated by the gas turbine set, so that the purposes of saving energy and reducing emission are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
The waste heat recovery system of the gas turbine comprises the following components: the system comprises a flue gas waste heat boiler, a steam generator set and a steam generator set, wherein the flue gas waste heat boiler is used for collecting flue gas generated by the gas turbine set and producing superheated saturated steam by utilizing the flue gas; and the fracturing equipment is connected with the steam output end of the flue gas waste heat boiler and is used for injecting steam into the oil gas exploitation well.
According to the waste heat recovery system of the gas turbine, the exhausted flue gas waste heat generated after the power generation of the gas turbine set is utilized to produce the supersaturated steam in the flue gas waste heat boiler, the supersaturated steam is pressurized and injected into the oil gas production well through the fracturing equipment, after the heat of the supersaturated steam is absorbed by the oil gas production well, the viscosity of the thickened oil is reduced, meanwhile, the steam is liquefied into water, and the formed mixture is convenient to exploit. The waste heat recovery system of the gas turbine can recycle the waste heat of the flue gas generated by the gas turbine set, so that the energy conservation and emission reduction are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
The waste heat recovery system of the gas turbine further comprises the following components: the wellhead blowout preventer is arranged at a wellhead of the oil and gas exploitation well, the wellhead blowout preventer is connected with the output end of the fracturing equipment, supersaturated steam is pressurized by the fracturing equipment and then enters the wellhead blowout preventer from the output end to be injected into the oil and gas exploitation well, and the wellhead blowout preventer can close the wellhead when the pressure of oil and gas exploitation underground oil and gas rises, so that the danger of blowout caused by the pressure rise of the oil and gas exploitation well is prevented.
The waste heat recovery system of the gas turbine further comprises the following components: the steam storage tank comprises a first steam output port, the first steam output port is connected with the inlet end of the fracturing equipment, and the steam storage tank is used for collecting and storing superheated saturated steam generated by the flue gas waste heat boiler so as to supply the next procedure to use the steam. The steam generating speed of the flue gas waste heat boiler is not consistent with the steam using speed of the fracturing equipment, and superheated saturated steam is collected and stored through the steam storage tank so as to continuously and stably provide steam for the next procedure.
Optionally, the gas turbine waste heat recovery system further comprises: and the pressure regulating valve is arranged on a pipeline connected with the steam storage tank and the fracturing equipment. The pressure regulating valve is used to adjust the pressure of the steam output via the first steam output port so that the pressure of the steam matches the technical requirements of the fracturing apparatus.
Optionally, the steam storage tank still includes second steam delivery outlet, and the second steam delivery outlet links to each other with turbo generator set, makes this steam still can be used for driving turbo generator set work power generation to realize more uses of steam, promote energy utilization.
Optionally, a liquid flow pipeline is arranged in the flue gas waste heat boiler, the flue gas heats liquid entering the liquid flow pipeline to generate superheated saturated steam, the flue gas waste heat boiler further comprises a condenser, an inlet of the condenser is communicated with a waste steam port of the steam turbine generator unit, and an outlet of the condenser is communicated with the liquid flow pipeline. The flue gas heats the liquid entering the liquid flow pipeline to generate superheated saturated steam, the superheated saturated steam enters the turbo generator unit through the second steam output port to do work to generate electric power, the waste steam is discharged through the waste steam port to enter the condenser to release heat and convert the heat into liquid, and the liquid is communicated with the liquid flow pipeline through the outlet of the condenser to supplement the liquid to the liquid flow pipeline. Therefore, the cyclic utilization of the steam can be realized, and the resource waste is reduced.
The waste heat recovery system of the gas turbine further comprises the following components: and the first end of the three-way baffle valve is communicated with the flue gas outlet end of the turbine, the second end of the three-way baffle valve is communicated with the flue gas waste heat boiler, and the third end of the three-way baffle valve is communicated with the exhaust chimney. Flue gas that turbine produced gets into in the flue gas exhaust-heat boiler through the second end of three-way flapper valve, and unnecessary flue gas of flue gas exhaust-heat boiler can be discharged through the exhaust stack, so make the structure set up rationally. The amount of the flue gas entering the flue gas waste heat boiler can be adjusted through the opening of the three-way baffle valve.
According to the gas turbine waste heat recovery system provided by the embodiment of the invention, the flue gas waste heat boiler is provided with a liquid flow pipeline, and the system further comprises: the liquid flow pipeline is located to first sensor and controller, and the controller is used for receiving the signal of first sensor and according to the aperture of signal control three-way flapper valve, so can rationally utilize the flue gas to heat the liquid in the liquid flow pipeline, promote energy utilization and rate.
Optionally, the gas turbine waste heat recovery system further comprises a liquid supply device, the liquid supply device is communicated with the liquid flow pipeline, and the liquid supply device provides supplementary liquid for the liquid flow pipeline so as to maintain the normal operation of a liquid flow loop in the gas turbine waste heat recovery system.
Optionally, a second sensor is further disposed on a pipeline connecting the steam storage tank and the fracturing equipment, and the second sensor is used for monitoring the steam flow in the pipeline.
An oil and gas production system according to an embodiment of the present invention includes: the waste heat recovery system of the gas turbine is disclosed.
According to the oil gas exploitation system provided by the embodiment of the invention, the flue gas waste heat generated after the power generation of the gas turbine set can be recycled and used for oil gas exploitation, so that the purposes of energy conservation and emission reduction are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a gas turbine waste heat recovery system according to an embodiment of the present invention.
Reference numerals:
a waste heat recovery system 1 of a gas turbine,
a gas turbine unit 10, an air compressor 11, a combustion chamber 12, a turbine 13, a flue gas outlet end 132, a generator 14, a turbo generator unit 15,
a flue gas waste heat boiler 20, a steam output end 21, a waste steam chimney 22, a liquid flow pipeline 23,
the fracturing apparatus 30, the wellhead blowout preventer 40,
a steam storage tank 50, a first steam outlet 51, a second steam outlet 52,
the pressure regulating valve 60, the condenser 70,
three-way flapper valve 80, first end 80a, second end 80b, third end 80c, exhaust stack 81, first sensor 82, controller 83, second sensor 84,
a liquid supply apparatus 90 is provided which is,
a hydrocarbon production well 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
A gas turbine waste heat recovery system 1 according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1, a gas turbine waste heat recovery system 1 according to an embodiment of the present invention includes: the system comprises a gas turbine set 10, a flue gas waste heat boiler 20 and a fracturing device 30.
Specifically, the flue gas waste heat boiler 20 is used for collecting flue gas generated by the gas turbine unit 10 and producing superheated saturated steam by using the flue gas; the fracturing equipment 30 is connected with the steam output end 21 of the flue gas waste heat boiler 20, and the fracturing equipment 30 is used for injecting steam into the oil and gas exploitation well 2. Wherein, air enters into the combustion chamber 12 after the air compressor 11 is compressed and burns with the fuel, and the high temperature gas that the burning formed enters turbine 13 to promote turbine work of turbine 13 and drive generator 14 to generate electricity. The generator 14 can provide stable power to equipment that requires power support.
For expansion, the gas turbine set 10 includes an air compressor 11, a combustion chamber 12 and a turbine 13, the air compressor 11 and the turbine 13 are connected in series, and the turbine 13 generates flue gas; the flue gas waste heat boiler 20 is connected with the turbine 13, and the flue gas waste heat boiler 20 utilizes flue gas to produce superheated saturated steam; the flue gas waste heat boiler 20 is connected with the flue gas outlet end 132 of the turbine 13, the exhaust flue gas waste heat generated by the gas turbine set 10 is utilized to produce supersaturated steam in the flue gas waste heat boiler 20, the supersaturated steam is pressurized and injected into the oil gas production well 2 through the fracturing equipment 30, after the heat of the supersaturated steam is absorbed by the oil gas production well 2, the viscosity of the thickened oil is reduced, meanwhile, the steam is liquefied into water, and the formed mixture is convenient to extract.
It should be noted that the "connection" appearing herein may be a fixed connection, a detachable connection, or an integral connection; the two or more may be directly connected or indirectly connected through an intermediate medium, and the application is not limited thereto. The fracturing equipment 30 includes a fracturing truck, a sand mixer truck, a balance truck, an instrument truck, a manifold truck, and the like.
In addition, the temperature of the exhaust flue gas of the gas turbine set 10 is high (generally higher than 500 ℃), and meanwhile, because the power density of the gas turbine is high, the amount of the flue gas generated by equipment with the same size is more, and more steam can be generated for oil exploitation, so that the energy utilization rate can be better improved and the consumption cost of fuel can be reduced by recycling the flue gas generated by the gas turbine set 10.
According to the gas turbine waste heat recovery system 1 provided by the embodiment of the invention, the gas turbine waste heat recovery system 1 can recycle the flue gas waste heat generated after the gas turbine set 10 generates electricity, so that the purposes of saving energy and reducing emission are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
As shown in fig. 1, the gas turbine waste heat recovery system 1 according to the embodiment of the present invention further includes: the wellhead blowout preventer 40 is arranged at the wellhead of the oil and gas exploitation well 2, the wellhead blowout preventer 40 is connected with the output end of the fracturing device 30, supersaturated steam is pressurized by the fracturing device 30 and then enters the wellhead blowout preventer 40 through the output end to be injected into the oil and gas exploitation well 2, and the wellhead blowout preventer 40 can close the wellhead when the pressure of oil and gas in the oil and gas exploitation well 2 rises, so that the danger of blowout caused by the pressure rise in the oil and gas exploitation well 2 is prevented. In addition, the wellhead blowout preventer 40 can close the wellhead in operations such as oil testing, well workover, well completion and the like, and accidents are prevented.
It should be noted that the wellhead blowout preventers 40 include, but are not limited to, a single ram blowout preventer, a double ram blowout preventer, a universal (annular) blowout preventer, a rotary blowout preventer, and the like, and the wellhead blowout preventers 40 provided in the gas turbine waste heat recovery system 1 do not mean one type, and three or four types of the blowout preventers may be used in combination to close the wellhead when the pressure of oil and gas in the oil and gas production well 2 rises.
As shown in fig. 1, the gas turbine waste heat recovery system 1 according to the embodiment of the present invention further includes: and the steam storage tank 50 comprises a first steam output port 51, the first steam output port 51 is connected with the inlet end of the fracturing equipment 30, and the steam storage tank 50 is used for collecting and storing the superheated saturated steam generated by the flue gas waste heat boiler 20 so as to enable the next process to use the steam. The steam generating speed of the flue gas waste heat boiler 20 is not consistent with the steam consumption speed of the fracturing equipment 30, and superheated saturated steam is collected and stored through the steam storage tank 50 to continuously and stably provide steam for the next procedure.
As shown in fig. 1, optionally, the gas turbine waste heat recovery system 1 further includes: and the pressure regulating valve 60 is arranged on a pipeline for connecting the steam storage tank 50 and the fracturing equipment 30. The pressure regulating valve 60 is used to adjust the pressure of the steam output via the first steam output 51 so that the pressure of the steam matches the technical requirements of the fracturing apparatus 30.
For the loss to be explained, the pressure regulating valve 60 includes, but is not limited to, a relief valve, a pressure reducing valve, a sequence valve, a pressure relay, and the like.
As shown in fig. 1, optionally, the steam storage tank 50 further includes a second steam output port 52, and the second steam output port 52 is connected to the steam turbine generator unit 15, so that the steam may also be used to drive the steam turbine generator unit 15 to do work and generate power, thereby implementing more uses of the steam and improving the energy utilization rate.
As shown in fig. 1, optionally, an electric power output end of the steam turbine generator unit 15 is electrically connected to the fracturing equipment 30, and electric power generated by the steam turbine generator unit 15 through the electric power output end provides electric power support for the fracturing equipment 30, so that the energy utilization rate is increased, and the economic benefit is increased. The power output of the turbo generator unit 15 may also be connected to other electric devices to provide power support for the other electric devices.
As shown in fig. 1, optionally, the flue gas waste heat boiler 20 is provided with a liquid flow pipeline 23, the flue gas heats the liquid entering the liquid flow pipeline 23 to generate superheated saturated steam, and further comprises a condenser 70, an inlet of the condenser 70 is communicated with the waste steam port of the steam turbine generator unit 15, and an outlet of the condenser 70 is communicated with the liquid flow pipeline 23. The flue gas heats the liquid entering the liquid flow pipeline 23 to generate superheated saturated steam, the superheated saturated steam enters the steam turbine generator unit 15 through the second steam output port 52 to do work to generate electric power, the waste steam is discharged through the waste steam port to enter the condenser 70 to be discharged for heat release and converted into liquid, and the liquid is communicated with the liquid flow pipeline 23 through the outlet of the condenser 70 to supplement the liquid to the liquid flow pipeline 23. Therefore, the cyclic utilization of the steam can be realized, and the resource waste is reduced.
As shown in fig. 1, the gas turbine waste heat recovery system 1 according to the embodiment of the present invention further includes: the three-way flapper valve 80, the first end 80a of the three-way flapper valve 80 is communicated with the flue gas outlet end 132 of the turbine 13, the second end 80b of the three-way flapper valve 80 is communicated with the flue gas waste heat boiler 20, and the third end 80c of the three-way flapper valve 80 is communicated with the exhaust stack 81. The flue gas generated by the turbine 13 enters the flue gas waste heat boiler 20 through the second end 80b of the three-way flapper valve 80, and the unnecessary excess flue gas of the flue gas waste heat boiler 20 can be discharged through the exhaust stack 81, so that the structure is reasonable. The amount of flue gas entering the flue gas waste heat boiler 20 can be adjusted by the opening degree of the three-way baffle valve 80. It should be noted that the second end 80b of the three-way flapper valve 80 is communicated with the flue gas waste heat boiler 20 through a flue gas heat insulation pipeline, so as to prevent the heat loss of the flue gas.
The three-way flapper valve 80 includes, but is not limited to, a louvered flapper valve, an electric lead screw flapper valve, and an electro-hydraulic flapper valve.
As shown in fig. 1, in the gas turbine waste heat recovery system 1 according to the embodiment of the present invention, a liquid flow pipeline 23 is provided in the flue gas waste heat boiler 20, and the system further includes: the first sensor 82 is arranged on the liquid flow pipeline 23, the controller 83 is used for receiving signals of the first sensor 82 and controlling the opening degree of the three-way flapper valve 80 according to the signals, and therefore liquid in the liquid flow pipeline 23 can be reasonably heated by utilizing smoke, and the energy utilization rate is improved.
Wherein, flue gas exhaust-heat boiler 20 includes: superheater, evaporator, economizer, steam pocket, feed water pump, preheater, deaerator, desuperheater, etc., wherein the superheater, evaporator and economizer are all important parts in the flue gas waste heat boiler 20,
as shown in fig. 1, optionally, a waste steam chimney 22 is disposed on the flue gas waste heat boiler 20, heat released by the flue gas temperature from a high temperature to a flue gas temperature is used to heat the liquid to change the liquid into steam, the liquid is usually water, and after entering the flue gas waste heat boiler 20, the liquid enters the economizer to absorb heat and raise the temperature to a saturation temperature slightly lower than the drum pressure, and then is mixed with the liquid directly entering the liquid flow pipeline 23, enters the evaporator to absorb heat to generate steam, and finally enters the superheater to generate supersaturated steam.
As shown in fig. 1, the gas turbine waste heat recovery system 1 further includes a liquid supply device 90, the liquid supply device 90 is communicated with the liquid flow pipeline 23, and the liquid supply device 90 provides a supplementary liquid for the liquid flow pipeline 23 to maintain the normal operation of the liquid flow loop in the gas turbine waste heat recovery system 1.
As shown in fig. 1, optionally, a second sensor 84 is further disposed on the pipeline connecting the steam storage tank 50 and the fracturing equipment 30, and the second sensor 84 is used for monitoring the steam flow in the pipeline.
An oil and gas production system according to an embodiment of the present invention includes: the gas turbine waste heat recovery system 1 is described above.
According to the oil gas exploitation system provided by the embodiment of the invention, the waste heat of the flue gas generated by the gas turbine unit 10 can be recycled and used for oil gas exploitation, so that the purposes of energy conservation and emission reduction are achieved, the utilization rate of energy is high, the economic benefit can be improved, the consumption cost of fuel is reduced, and the emission of nitrogen oxides is reduced.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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.
Claims (11)
1. A gas turbine waste heat recovery system, comprising:
the system comprises a flue gas waste heat boiler, a steam generator set and a steam generator set, wherein the flue gas waste heat boiler is used for collecting flue gas generated by the gas turbine set and producing superheated saturated steam by utilizing the flue gas;
and the fracturing equipment is connected with the steam output end of the flue gas waste heat boiler and is used for injecting the steam into the oil and gas exploitation well.
2. The gas turbine waste heat recovery system of claim 1, further comprising: and the wellhead blowout preventer is arranged on a wellhead of the oil and gas exploitation well and is connected with the output end of the fracturing equipment.
3. The gas turbine waste heat recovery system of claim 1, further comprising:
the steam storage tank comprises a first steam output port, the first steam output port is connected with the inlet end of the fracturing equipment, and the steam storage tank is used for collecting and storing the superheated saturated steam generated by the flue gas waste heat boiler.
4. The gas turbine waste heat recovery system of claim 3, further comprising:
and the pressure regulating valve is arranged on a pipeline connected with the steam storage tank and the fracturing equipment.
5. The gas turbine heat recovery system of claim 3, wherein the steam storage tank further comprises a second steam outlet, the second steam outlet being coupled to a steam turbine generator unit.
6. The gas turbine waste heat recovery system of claim 5, wherein a liquid flow pipeline is arranged in the flue gas waste heat boiler, the flue gas heats liquid entering the liquid flow pipeline to generate the superheated saturated steam, the system further comprises a condenser, an inlet of the condenser is communicated with a waste steam port of the steam turbine generator unit, and an outlet of the condenser is communicated with the liquid flow pipeline.
7. The gas turbine waste heat recovery system of claim 1, further comprising:
and a first end of the three-way baffle valve is communicated with the flue gas outlet end of the turbine, a second end of the three-way baffle valve is communicated with the flue gas waste heat boiler, and a third end of the three-way baffle valve is communicated with an exhaust chimney.
8. The gas turbine waste heat recovery system of claim 1, wherein a liquid flow pipeline is arranged in the flue gas waste heat boiler, and further comprising:
the liquid flow pipeline is arranged between the three-way flapper valve and the liquid flow pipeline, the three-way flapper valve is arranged on the liquid flow pipeline, and the three-way flapper valve is arranged on the liquid flow pipeline.
9. The gas turbine waste heat recovery system of claim 8, further comprising a liquid supply device in communication with the liquid flow line.
10. The gas turbine waste heat recovery system of claim 4, wherein a second sensor is further arranged on a pipeline connecting the steam storage tank and the fracturing equipment, and the second sensor is used for monitoring the steam flow in the pipeline.
11. A hydrocarbon production system, comprising: the gas turbine waste heat recovery system of any of claims 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545148.XA CN114320601A (en) | 2021-12-16 | 2021-12-16 | Gas turbine waste heat recovery system and oil gas exploitation system with same |
| PCT/CN2021/141832 WO2023108813A1 (en) | 2021-12-16 | 2021-12-28 | Gas turbine waste heat recovery system, and oil and gas exploitation system having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545148.XA CN114320601A (en) | 2021-12-16 | 2021-12-16 | Gas turbine waste heat recovery system and oil gas exploitation system with same |
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| Publication Number | Publication Date |
|---|---|
| CN114320601A true CN114320601A (en) | 2022-04-12 |
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|---|---|---|---|
| CN202111545148.XA Pending CN114320601A (en) | 2021-12-16 | 2021-12-16 | Gas turbine waste heat recovery system and oil gas exploitation system with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114320601A (en) |
| WO (1) | WO2023108813A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007786A (en) * | 1975-07-28 | 1977-02-15 | Texaco Inc. | Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power |
| CN105189942A (en) * | 2013-03-08 | 2015-12-23 | 埃克森美孚上游研究公司 | Processing exhaust for use in enhanced oil recovery |
| CN207634070U (en) * | 2017-12-21 | 2018-07-20 | 北京宝沃石油技术有限责任公司 | A kind of device that off-gas recovery recycles |
| CN112460832A (en) * | 2020-09-09 | 2021-03-09 | 国网综合能源服务集团有限公司 | Lithium bromide refrigerating unit based on gas comprehensive energy station and operation method of refrigerating unit |
| CN113669039A (en) * | 2021-09-13 | 2021-11-19 | 中国石油大学(华东) | Steam-assisted thickened oil thermal recovery system |
| CN215057763U (en) * | 2021-02-05 | 2021-12-07 | 上海势茂动力科技有限公司 | Skid-mounted oil gas production system of gas turbine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3572176B2 (en) * | 1997-09-03 | 2004-09-29 | 三菱重工業株式会社 | Combined cycle power generation method and power generation device |
| CN102767355A (en) * | 2012-08-03 | 2012-11-07 | 王维纲 | Thick oil steam-huff-and-puff injection-production integrated oil production device |
| CN205503282U (en) * | 2016-04-15 | 2016-08-24 | 浙江大学 | Steam recycles formula gas turbine power generation device based on solar energy and waste heat recovery |
| CN106499375A (en) * | 2016-10-25 | 2017-03-15 | 中国海洋石油总公司 | A kind of turbine fume afterheat cyclic utilization system |
-
2021
- 2021-12-16 CN CN202111545148.XA patent/CN114320601A/en active Pending
- 2021-12-28 WO PCT/CN2021/141832 patent/WO2023108813A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007786A (en) * | 1975-07-28 | 1977-02-15 | Texaco Inc. | Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power |
| CN105189942A (en) * | 2013-03-08 | 2015-12-23 | 埃克森美孚上游研究公司 | Processing exhaust for use in enhanced oil recovery |
| CN207634070U (en) * | 2017-12-21 | 2018-07-20 | 北京宝沃石油技术有限责任公司 | A kind of device that off-gas recovery recycles |
| CN112460832A (en) * | 2020-09-09 | 2021-03-09 | 国网综合能源服务集团有限公司 | Lithium bromide refrigerating unit based on gas comprehensive energy station and operation method of refrigerating unit |
| CN215057763U (en) * | 2021-02-05 | 2021-12-07 | 上海势茂动力科技有限公司 | Skid-mounted oil gas production system of gas turbine |
| 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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| WO2023108813A1 (en) | 2023-06-22 |
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