WO2020258004A1

WO2020258004A1 - Portable power generation system

Info

Publication number: WO2020258004A1
Application number: PCT/CN2019/092667
Authority: WO
Inventors: 张涛; 冯宁; 李鑫; 张亭; 周立宾; 王丽丽; 查万春
Original assignee: 烟台杰瑞石油装备技术有限公司
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-12-30

Abstract

Disclosed is a portable power generation system. The entire power generation system has two transportation tools. A gas turbine, a power generator, an air inlet chamber, an exhaust collector, and an auxiliary system are provided on a first transportation tool. An air inlet assembly and an exhaust pipeline are provided as an integrated component on a second transportation tool. The second transportation tool further comprises at least four lifting devices used to separate the air inlet assembly and the exhaust pipeline from the second transportation tool and raise the same upward, such that a power generation transportation tool can move to a position directly below the air inlet assembly and the exhaust pipeline, and the lifting devices are then used to lower the air inlet assembly and the exhaust pipeline so as to connect the same with the air inlet chamber and the exhaust collector, respectively. The invention utilizes the weight of the air inlet assembly and the exhaust pipeline to achieve a seal at the joints.

Description

A mobile power generation system

Technical field

The invention relates to the field of power generation technology, in particular to a mobile power generation system.

Background technique

The oil and gas industry often uses hydraulic fracturing to promote the production of hydrocarbon wells, such as oil or gas wells. Traditional fracturing equipment usually has problems such as large floor area and serious environmental pollution, and it is difficult to meet the current severe environmental requirements and floor area requirements for wellsite operations.

The electric drive fracturing complete set of equipment will effectively reduce the emission of environmental pollutants, greatly reduce the floor space, reduce noise, and reduce operating and maintenance costs. The use of complete sets of electric drive fracturing equipment and the continuous increase in power of electric drive fracturing equipment put forward higher and higher requirements for the power supply at the job site. Usually, the wellsite cannot realize the power supply of fracturing equipment through the grid. Moreover, the fracturing operation has the characteristics of short operation cycle, and the fracturing equipment needs to be moved between different well sites. Under normal circumstances, the components of the power supply system have different assembly methods, different vehicle configurations, and different installation methods. The installation time required is as long as one month and as short as half a month.

How to provide short installation time, convenient installation, and portable power supply for the electric drive fracturing operation site has become a major challenge facing today's electric drive fracturing operation.

Summary of the invention

The purpose of the present invention is to overcome the shortcomings of the prior art and provide a mobile power generation system. The entire power generation system is divided into two transportation vehicles. The gas turbine, generator, intake chamber, exhaust collector, and auxiliary system are located in the first transportation. On the tool, the air intake assembly and the exhaust pipe are arranged as a whole on the second transportation tool, and the second transportation tool also includes at least four lifting devices for separating the air intake assembly and the exhaust pipe from the second transportation tool , And realize the upward lifting to accommodate the power generation and transportation device to move directly below the intake assembly and exhaust pipe, and then use the lifting device to lower the intake assembly and exhaust pipe to separate them from the intake chamber and exhaust collector Docking. Utilize the gravity of the air intake component and the exhaust pipe to realize the butt sealing. The whole technical scheme is simple in design (the total power generation system is only 2 transportation means, small footprint, low transportation energy consumption, compact structure), convenient and fast installation, (only the intake and exhaust system in the intake and exhaust transportation device is required After separating and lifting, move the power generation transportation device to the bottom of the intake and exhaust system to realize the installation and docking of the power generation system).

The purpose of the present invention is achieved through the following technical measures: a mobile power generation system, including a power generation transportation device and an intake and exhaust transportation device, the power generation transportation device includes a gas turbine, a generator, an intake chamber, an exhaust collector, An auxiliary system and a first transportation means, the auxiliary system acts on the gas turbine and a generator, the intake and exhaust transportation device includes an intake and exhaust system and a second transportation means, the intake and exhaust system is detachably connected to the second transportation means, The intake and exhaust system includes an intake assembly and an exhaust duct, and the intake assembly and exhaust duct are transferred as a whole and connected to the top of the power generation transportation device.

Further, the air intake assembly and the exhaust duct are transferred and lifted as a whole through at least four lifting devices.

Further, the lifting device includes a support foot, a horizontal hydraulic cylinder and a vertical hydraulic cylinder, the horizontal hydraulic cylinder is used for horizontal movement of the support foot, and the vertical hydraulic cylinder is used for vertical expansion and contraction of the support foot.

Further, the supporting foot can move to the outside of the second transportation means and can lift the air intake assembly and the exhaust pipe upward, and the lifting height of the supporting foot is greater than the height of the power generation transportation device.

Further, the power generation transportation device further includes a power unit and a control system, the power unit is used to output electricity from the generator, and the control system includes a gas turbine control unit and a generator control unit.

Further, the exhaust pipe includes an exhaust chimney and an exhaust muffler. In the transportation state, the exhaust chimney is sleeved on the outside of the exhaust muffler, and in the working state, the exhaust chimney is set on the exhaust muffler the top of.

Compared with the prior art, the present invention has the following beneficial effects: the entire technical scheme, simple design (the total power generation system is only 2 transportation means, small footprint, low transportation energy consumption, low transportation cost, compact structure), installation Convenient and quick (only need to separate and lift the intake and exhaust system in the intake and exhaust transportation device, and move the power generation transportation device under the intake and exhaust system to realize the installation and docking of the power generation system). The interface is sealed by the device's own gravity, which is convenient and reliable. The power generation system that is well installed and connected and enters the working state, due to the top installation, greatly reduces the footprint of the entire power generation system.

The present invention will be described in detail below in conjunction with the drawings and specific embodiments.

Description of the drawings

Figure 1 is a top view of the external structure of the power generation transportation device.

Figure 2 is a schematic diagram of the internal structure of a power generation transportation device.

Figure 3 is a schematic diagram of the intake and exhaust transport device in a transport state.

Figure 4 is a side view of the air intake and exhaust transportation device in a transportation state.

Fig. 5 is a schematic diagram of the intake and exhaust transportation device in a separated and docked state.

Figure 6 is a side view of the air intake and exhaust transportation device in a separated and docked state.

Figure 7 is a schematic structural diagram of a mobile power generation system.

Figure 8 is a schematic diagram of the structure of the lifting device.

Among them, 100. Power generation and transportation device, 101. Turbine casing, 102. Inlet chamber, 103. Exhaust collector, 104. Ventilation inlet, 105. Gas turbine, 106. Generator, 107. Power unit, 108. Control system, 109. The first means of transportation, 200. Intake and exhaust transportation device, 201. Air intake assembly, 202. Exhaust pipe, 203. Lifting device, 204. Second means of transportation, 205. Feet, 301. Vertical hydraulic cylinder, 302. Horizontal hydraulic cylinder, 303 telescopic support.

Detailed ways

As used herein, the term "vehicle" refers to any transportation component, including trailers, trucks, skids, and/or barges used for heavy-tonnage gravity transportation.

As used herein, the term "intake chamber" is interchangeable throughout the disclosure, and is collectively referred to as "inlet", "intake port" and "intake chamber". In addition, the term "exhaust gas collector" may be replaced throughout this disclosure and collectively referred to as "exhaust diffuser" and "exhaust chamber".

A mobile power generation system includes a power generation transportation device 100 and an intake and exhaust transportation device 200. The power generation transportation device 100 includes a gas turbine 105, a generator 106, an intake chamber 102, an exhaust collector 103, an auxiliary system, and a first For the transportation 109, the auxiliary system acts on the gas turbine 105 and the generator 106. The auxiliary system includes a turbine lubricating oil system, a fire fighting system and a generator lubricating oil system. The intake and exhaust transportation device 200 includes an intake and exhaust system and a second transportation means 204. The intake and exhaust system is detachably connected to the second transportation means 204. The intake and exhaust system includes an intake assembly 201 and an exhaust. The duct 202, the intake assembly 201 and the exhaust duct 202 are transferred as a whole and connected to the top of the power generation transportation device 100. The air intake assembly 201 and the exhaust duct 202 are combined and designed on a transportation tool, which improves the convenience of transportation.

Use sufficient and cheap hydrocarbon fuels (such as natural gas) at oil and gas wellsites to provide fuel for gas turbine 105, convert the chemical energy of the hydrocarbon fuel into mechanical energy, and then use generator 106 to convert the mechanical energy into electrical energy for electric drive fracturing operation site supply Efficient, stable, and portable electricity. The intake and exhaust system realizes overall transfer and lifting through at least four lifting devices 203. The mobile power generation system does not require additional auxiliary equipment (such as cranes, cranes, etc.). With its own lifting device 203, the entire power generation system can be installed and connected, which is fast and convenient, and effectively reduces installation time. Four lifting devices 203 are arranged on the four corners of the intake and exhaust system.

The lifting device 203 includes a supporting foot 205 and a telescopic load-bearing mechanism. The supporting foot 205 is composed of a vertical hydraulic cylinder 301, and the extension of the vertical hydraulic cylinder 301 realizes the jacking of the intake and exhaust system. The retractable load-bearing mechanism is used to carry the intake and exhaust system, and under its own horizontal expansion and contraction, the vertical hydraulic cylinder 301 is pushed out, that is, the feet 205 can move horizontally. When docking, the retractable load-bearing mechanism can be synchronized to one direction. The side stretches to adjust the left or right movement of the intake and exhaust system.

The feet 205 can move to the outside of the second vehicle 204 and can lift the air intake assembly 201 and the exhaust pipe 202 upward. The lifting height of the feet 205 is greater than the height of the power generation transportation device 100.

The power generation transportation device 100 further includes a power unit 107 and a control system 108 for outputting electricity from the generator 106 to the outside. The control system 108 includes a gas turbine control unit and a generator control unit.

Figure 1 is a top view of the external structure of the power generation transportation device. As shown in FIG. 1, the power generation transportation device 100 has a turbine housing 101, and the turbine housing 101 is provided with a ventilation inlet 104, an inlet of an air inlet 102, and an exhaust collector 103.

Figure 2 is a schematic diagram of the internal structure of a power generation transportation device. As shown in FIG. 2, the power generation transportation device 100 is provided with an intake chamber 102, a gas turbine 105, an exhaust gas collector 103, a generator 106, a power unit 107, and a control system 108 inside a turbine housing 101. The gas turbine 105 and the power generation The engine 106 is connected to the power unit 107, the control system 108, and the gas turbine 105 is connected to the intake chamber 102 and the exhaust gas collector 103. The exhaust pipe 202 in the intake and exhaust system is docked with the interface of the exhaust collector 103, and the intake assembly 201 in the intake and exhaust system is docked with the interface of the intake chamber 102.

Figure 3 is a schematic diagram of the intake and exhaust transport device in a transport state. As shown in Figure 3, an air intake assembly 201 and an exhaust duct 202 are provided on the second transportation tool 204 at the same time. The air intake assembly 201 is used to provide combustion air and combustion engine cabin ventilation air. An air filter, an intake silencer and a ventilation fan are connected to the ventilation inlet 104 on the turbine casing 101. The exhaust duct 202 includes an exhaust muffler and an exhaust chimney. In the transportation state, the exhaust chimney is sleeved outside the exhaust muffler, that is, the exhaust chimney does not occupy a vertical height space, and the height of the entire intake and exhaust transportation device 200 meets the requirements of road transportation.

Figure 4 is a side view of the air intake and exhaust transportation device in a transportation state. As shown in FIG. 4, the lifting device 203 is not deployed at this time, that is, the feet 205 are not moved to the outside of the second transportation means 204, nor are they lifted up into the exhaust system. The entire weight of the lifting device 203, the air intake assembly 201 and the exhaust duct 202 is carried by the second vehicle 204.

Fig. 5 is a schematic diagram of the intake and exhaust transportation device in a separated and docked state. As shown in Figure 5, the lifting device 203 has been deployed at this time, the feet 205 moved to the outside of the second transport 204, and lifted up the intake and exhaust system, so that the second transport 204 and the intake and exhaust system have been completely separated . The exhaust chimney moves upward through a lifting mechanism and is located on the top of the exhaust muffler. In view of the fact that the exhaust duct 202 and the air intake assembly 201 are located on the same transportation tool and are located close together, in order to avoid being sucked in by the air intake assembly 201 after the waste is discharged, the distance difference between the lifted exhaust chimney and the air intake assembly 201 is very significant. necessary. The jacking mechanism includes but is not limited to a hydraulic cylinder.

Figure 6 is a side view of the air intake and exhaust transportation device in a separated and docked state. As shown in FIG. 6, the air intake and exhaust system has been completely separated from the second transportation tool 204 by the lifting device 203.

Figure 7 is a schematic structural diagram of a mobile power generation system. As shown in Fig. 7, the air intake and exhaust system has been installed on the top of the power generation transportation device 100, that is, the working state of the power generation system is realized to provide power for the electric drive fracturing site.

Figure 8 is a schematic diagram of the structure of the lifting device. As shown in Figure 8, the telescopic load-bearing mechanism is used to carry the intake and exhaust system. The telescopic load-bearing mechanism includes a support frame, a telescopic cavity, a telescopic support 303 and a horizontal hydraulic cylinder 302, etc., a vertical hydraulic cylinder 301 and a horizontal hydraulic cylinder 302 is connected, one end of the telescopic support 303 is connected with the vertical hydraulic cylinder 301, and the other end of the telescopic support 303 is in contact with the telescopic cavity, and the telescopic support 303 can expand and contract in the telescopic cavity.

In the method of the mobile power generation system, the intake and exhaust transportation device 200 is moved to the designated position on the user site, the exhaust chimney is lifted to the top of the exhaust muffler, and the lift device 203 is used to connect the intake and exhaust system with the second transportation tool 204 Separate, the lifting height is greater than the power generation transportation device 100, remove the second transportation tool 204, move the power generation transportation device 100 under the intake and exhaust system, the power generation transportation device 100 adjusts the position in the traveling direction, and the intake and exhaust system passes through the horizontal The hydraulic cylinder 302 adjusts the position in the horizontal direction, so that the interface of the air intake chamber 102 and the exhaust collector 103 on the power generation transportation device 100 correspond to the interface of the air intake assembly 201 and the exhaust pipe 202, using the lifting device 203 The vertical hydraulic cylinder 301 lowers the intake and exhaust system, so that the intake assembly 201 is connected to the interface of the intake chamber 102, and the exhaust pipe 202 is connected to the interface of the exhaust collector 103, that is, the entire power generation system enters the working state.

Those skilled in the industry should understand that the present invention is not limited by the foregoing embodiments. The foregoing embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and improvements, these changes and improvements all fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

A mobile power generation system includes a power generation transportation device and an intake and exhaust transportation device, wherein the power generation transportation device includes a gas turbine, a generator, an intake chamber, an exhaust gas collector, an auxiliary system and a first transportation tool, The auxiliary system acts on the gas turbine and the generator. The intake and exhaust transportation device includes an intake and exhaust system and a second transportation means. The intake and exhaust system is detachably connected to the second transportation means. The intake and exhaust system includes an intake and exhaust system. The air component and the exhaust pipe are transferred and connected to the top of the power generation transportation device as a whole.
The mobile power generation system according to claim 1, wherein the air intake component and the exhaust pipe are transferred and lifted as a whole through at least four lifting devices.
The mobile power generation system according to claim 2, characterized in that: the lifting device includes a support foot and a telescopic load-bearing mechanism, the support foot realizes the jacking of the intake and exhaust system through its own expansion, and is used to carry the The telescopic load-bearing mechanism realizes the horizontal movement of the intake and exhaust system through its own horizontal expansion.
The mobile power generation system according to claim 3, wherein the feet can move to the outside of the second vehicle and can lift the air intake assembly and the exhaust pipe upward, and the lifting height of the feet is greater than The height of the power generation transportation device.
The mobile power generation system according to claim 1, wherein the power generation transportation device further includes a power unit and a control system, the power unit is used to output electricity from the generator, and the control system includes a gas turbine Control unit and generator control unit.
The mobile power generation system according to claim 1, wherein the exhaust pipe includes an exhaust chimney and an exhaust muffler. In the transportation state, the exhaust chimney is sleeved on the outside of the exhaust muffler. In the working state, the exhaust chimney is arranged on the top of the exhaust muffler.