WO2020258002A1

WO2020258002A1 - Method for moving power generation system

Info

Publication number: WO2020258002A1
Application number: PCT/CN2019/092665
Authority: WO
Inventors: 李鑫; 冯宁; 张涛; 张亭; 周立宾; 查万春; 王丽丽
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 in the present invention is a method for moving a power generation system. By means of a telescopic joint, a power generation apparatus is separately and quickly abutted with an air inlet assembly and an exhaust pipe that are independently conveyed, thereby realizing the fast mounting and abutment of the power generation system in a fracturing operation site. The air inlet assembly and the exhaust pipe are respectively provided with two conveying tools, and thus, adjustability is more flexible during abutment. The position of the power generation apparatus is fixed, and the position of the air inlet assembly is moved, so that the air inlet assembly is abutted with an air inlet chamber of the power generation apparatus; the position of the exhaust pipe is moved, so that the exhaust pipe is abutted with an exhaust collector of the power generation apparatus.

Description

Method for mobile power generation system

Technical field

The invention relates to the field of power generation technology, in particular to a method of 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 overcomes the shortcomings of the prior art and provides a method for moving a power generation system. The power generation device is quickly docked with independently transported air intake components and exhaust pipes through expansion joints to realize the rapid installation of the power generation system on the fracturing operation site. Docking. The air intake component and the exhaust pipe are separately equipped with two transportation tools, and the adjustability is more flexible when docking. Fix the position of the power generating device, move the position of the air intake component to connect it with the intake chamber of the power generating device, and move the position of the exhaust pipe to connect it to the exhaust collector of the power generating device.

The purpose of the present invention is achieved through the following technical measures: A method for a mobile power generation system includes the following steps:

1) Install the gas turbine, intake chamber, exhaust collector, generator, power unit, control system and auxiliary system on the first vehicle;

2) Install the air inlet assembly and air inlet expansion joint used to provide combustion air and ventilation air for the combustion engine room on the second transportation tool, and the air inlet expansion joint is connected with the air inlet assembly;

3) Install the exhaust pipe and exhaust expansion joint on the third transportation tool;

4) Move the first transportation tool to the designated position on the user site, move the second transportation tool and the third transportation tool to the predetermined position, use the air intake hydraulic moving device to adjust the horizontal and vertical position of the second transportation tool to make it enter The air expansion joint is docked with the air inlet chamber on the first transportation tool, and the exhaust hydraulic moving device is used to adjust the horizontal and vertical position of the third transportation tool, so that the exhaust expansion joint is docked with the exhaust collector on the first transportation tool ；

5) Rotate the exhaust pipe on the third vehicle from the horizontal position to the vertical direction, connect the exhaust pipe with the exhaust expansion joint, and discharge the exhaust gas to the atmosphere through the exhaust pipe.

Further, the power unit is used to output the electricity of the generator to the outside, and the control system includes a gas turbine control unit and a generator control unit.

Further, the air intake transportation device and the exhaust transportation device are connected to at least one side surface of the power generation transportation device through an expansion joint.

Further, the air intake assembly includes an air intake filter, an air intake muffler and a ventilation fan.

Further, the air intake expansion joint includes a combustion-supporting expansion joint and a gas turbine room ventilation expansion joint, the combustion-supporting expansion joint is connected to the air inlet chamber, and the gas turbine room ventilation expansion joint is connected to the gas turbine room.

Further, according to the different orientations of the air inlet chamber on the first transportation means, when the mobile power generation system is in working state, the second transportation means and the third transportation means are the same or opposite sides of the first transportation means. Set on the adjacent side.

Further, during the docking process, the second transportation tool and the third transportation tool are respectively docked with the first transportation tool simultaneously or sequentially through a hydraulic moving device.

Further, the first means of transportation, the second means of transportation, and the third means of transportation are at least one of a trailer, a truck, a skid or a barge.

Further, the exhaust pipe is horizontally arranged on the third transportation tool in the transportation state.

Further, the exhaust pipe includes an exhaust muffler, an exhaust chimney and an exhaust elbow, the exhaust expansion joint, the exhaust elbow, the exhaust muffler and the exhaust chimney are connected in sequence, and the exhaust When the pipeline is working, the exhaust chimney is hydraulically rotated to the vertical direction.

Compared with the prior art, the present invention has the following beneficial effects: the fracturing operation site is realized through the installation of three independent transportation means of power generation device, exhaust pipe, and air intake assembly, supplemented by the connection of expansion joints between each other. , Quick installation and docking of power generation system. The air intake component and the exhaust pipe are separately equipped with two transportation tools, and the adjustability is more flexible when docking. Fix the position of the power generation device, move the position of the air intake component to connect it with the intake chamber of the power generation device, and move the position of the exhaust pipe to connect it to the exhaust collector of the power generation device to complete the on-site installation of the mobile 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 schematic diagram of the transport state of the exhaust transport device.

Figure 2 is a schematic diagram of the working state of the exhaust transport device.

Figure 3 is a schematic diagram of the air intake transport device.

Figure 4 is a schematic diagram of a power generation transportation device.

Fig. 5 is a schematic diagram of the overall structure (first embodiment) of the mobile power generation system.

Fig. 6 is a schematic diagram of the overall structure of the mobile power generation system (the second embodiment).

Fig. 7 is a schematic diagram of the overall structure of the mobile power generation system (the third embodiment).

Among them, 100. Exhaust transportation device, 101. Exhaust expansion joint, 102. Exhaust pipe, 200. Air intake transportation device, 201. Gas turbine room ventilation expansion joint, 202. Combustion expansion joint, 203. Intake assembly, 300. Power generation transportation device, 301. Noise reduction room, gas turbine room 302, generator room 303, control room 304, power unit 305, control system 306, generator 307, exhaust gas collector 308, gas turbine 309, air inlet chamber 310.

Detailed ways

A mobile power generation system includes an air intake transportation device 200, an exhaust transportation device 100, and a power generation transportation device 300; a power generation transportation device 300 includes a gas turbine 309, an intake chamber 310, an exhaust gas collector 308, a generator 307, and a power unit 305, control system 306 and the first means of transport;

The air intake transportation device 200 includes an air intake assembly 203 and a second transportation tool. The air intake assembly 203 is used to provide combustion-supporting air and ventilation air for the combustion engine room;

The exhaust transportation device 100 includes an exhaust pipe 102 and a third transportation means; the intake transportation device 200 and the exhaust transportation device 100 are connected to the side of the power generation transportation device 300. Use abundant and cheap hydrocarbon fuels (such as natural gas) at the oil and gas wellsite to provide fuel for the gas turbine 309, convert the chemical energy of the hydrocarbon fuel into mechanical energy, and then use the generator 307 to convert the mechanical energy into electrical energy for electric drive fracturing operation site supply Efficient, stable, environmentally friendly, and portable electricity. The mobile power generation system does not require additional auxiliary equipment (such as cranes, etc.), effectively reducing installation time. The intake transportation device 200 and the exhaust transportation device 100 are small in size, flexible in transportation, and less difficult to install. The intake transportation device 200 and the exhaust transportation device 100 can be installed at the same time, requiring less installation time. The system can quickly assemble and generate electricity after site conversion to meet the power requirements of fracturing operations.

The air intake transportation device 200 and the exhaust transportation device 100 are connected to at least one side surface of the power generation transportation device 300 through an expansion joint. According to the different orientations of the air inlet chamber 310 interface on the power generation transportation device 300, the air inlet transportation device 200 may be arranged on the same side or the opposite side or the adjacent side of the exhaust transportation device 100.

The exhaust pipe 102 is horizontally arranged on the exhaust transportation device 100 in the transportation state.

In the working state, the exhaust pipe 102 is hydraulically rotated to the vertical direction of the exhaust transportation device 100.

The first transportation means, the second transportation means and the third transportation means are at least one of a trailer, a truck, a skid or a barge.

The power generation transportation device 300 further includes an auxiliary system, which is used to assist the operation of the power generation transportation device 300.

The air intake transportation device 200 further includes an air intake hydraulic moving device, which is used to adjust the relative position of the air intake transportation device 200 and the power generation transportation device 300 during installation and docking.

The exhaust gas transportation device 100 further includes an exhaust hydraulic movement device, which is used to adjust the relative position of the exhaust gas transportation device 100 and the power generation transportation device 300 during installation and docking.

Figures 1 and 2 are schematic diagrams of the structure of the exhaust transport device. An exhaust pipe 102 and an exhaust expansion joint 101 are provided on the third transportation means. The exhaust pipe 102 includes an exhaust muffler, an exhaust chimney and an exhaust elbow. The exhaust pipe 102 is realized by the exhaust expansion joint 101 Docking with the power generation transportation device 300. The exhaust expansion joint 101, the exhaust elbow, the exhaust muffler and the exhaust chimney are connected in sequence. The exhaust duct 102 in the transportation state is located in a horizontal position (as shown in FIG. 1), and the exhaust duct 102 in a working state is rotated to a vertical position (as shown in FIG. 2) by hydraulic means.

Figure 3 is a schematic diagram of the structure of the air intake transport device. An air intake assembly 203 and an air intake expansion joint are provided on the second transportation tool. The air intake assembly 203 is used to provide combustion air and ventilation air for the combustion engine room. The air intake assembly 203 includes an intake filter and an intake muffler. A ventilation fan is also integrated in the assembly 203. The intake expansion joint includes a combustion-supporting expansion joint 202 and a gas turbine room ventilation expansion joint 201.

Figure 4 is a schematic diagram of the structure of a power generation transportation device. A noise reduction room 301 is installed on the power generation transportation device 300. The noise reduction room 301 is mainly divided into three parts: a gas turbine room 302, a generator room 303 and a control room 304. The gas turbine chamber 302 is mainly installed with a gas turbine 309. The gas turbine 309 converts the chemical energy of the hydrocarbon fuel into mechanical energy, and is used to guide the combustion air intake chamber 310, which is used to collect exhaust gas and lead to the exhaust gas collection of the exhaust pipe 102 The generator room 303 is mainly installed with a generator 307 that converts the mechanical energy of the gas turbine 309 into electric energy; the control room 304 is mainly installed with a power unit 305 and a control system 306, and the power unit 305 is used to output the electricity of the generator 307 The control system 306 includes a gas turbine control part and a generator control part. The power generation transportation device 300 may also include auxiliary systems not shown in FIG. 3, and the auxiliary systems include a lubrication system, a water washing system, a fire fighting system, and a starting system.

Figures 5 to 7 are schematic diagrams of the overall structure of the mobile power generation system. As shown in FIG. 5, in the first embodiment, the exhaust gas transportation device 100 is located on one side of the power generation transportation device 300, and the exhaust gas expansion joint 101 is used to connect to the exhaust gas collector 308 of the power generation transportation device 300 to pass the exhaust gas through the exhaust gas collector. The air duct 102 is discharged to the atmosphere. The air intake transportation device 200 is located on the opposite side of the exhaust transportation device 100, and the air intake transportation device 200 and the power generation transportation device 300 are connected through an air intake expansion joint, specifically, are connected through a combustion-supporting expansion joint 202 and a combustion engine room ventilation expansion joint 201, In this way, combustion-supporting air and gas turbine room ventilation air are provided for the power generation transportation device 300. As shown in FIG. 6, in the second embodiment, the air intake transportation device 200 is located on the same side of the exhaust transportation device 100. As shown in FIG. 7, in the third embodiment, the air intake transportation device 200 and the exhaust transportation device 100 are connected at two adjacent sides of the power generation transportation device 300.

The method of the mobile power generation system includes the following steps:

1) Install the gas turbine 309, intake chamber 310, exhaust collector 308, generator 307, power unit 305, and control system 306 on the first vehicle;

2) Install the intake assembly 203 and the intake expansion joint used to provide combustion air and ventilation air for the combustion engine room on the second transportation tool, and the intake expansion joint is connected with the intake assembly 203;

3) Install the exhaust pipe 102 and the exhaust expansion joint 101 on the third transportation tool;

4) Move the first transportation tool to the designated position on the user site, move the second transportation tool and the third transportation tool to the predetermined position, use the air intake hydraulic moving device to adjust the horizontal and vertical position of the second transportation tool to make it enter The air expansion joint is docked with the air inlet chamber 310 on the first transportation means, and the exhaust hydraulic moving device is used to adjust the horizontal and vertical position of the third transportation means, so that the exhaust expansion joint 101 and the exhaust gas collection on the first transportation means 308 docking;

5) Rotate the exhaust pipe 102 on the third vehicle from the horizontal position to the vertical direction, connect the exhaust pipe 102 and the exhaust expansion joint 101, and discharge the exhaust gas to the atmosphere through the exhaust pipe 102.

When docking, the exhaust expansion joint 101 can extend toward the exhaust collector 308, and the intake expansion joint can extend toward the intake chamber 310 and the gas turbine chamber 302. When the work is completed and the user site needs to be detached, the exhaust The expansion joint 101 can contract and stay away from the exhaust gas collector 308, and the intake expansion joint can contract and stay away from the intake chamber 310 and the gas turbine chamber 302.

The intake hydraulic moving device and the exhaust hydraulic moving device have the same structure, including supporting feet, outriggers, vertical hydraulic cylinders and horizontal hydraulic cylinders that can move the transportation tool. The supporting feet are connected to the outriggers, and the vertical hydraulic cylinders are used to realize For the movement of the feet in the vertical direction, the horizontal hydraulic cylinder is used to realize the movement of the feet in the horizontal direction. The intake hydraulic moving device and the exhaust hydraulic moving device reduce the positioning accuracy requirements of the second transportation means and the third transportation means, and reduce the installation difficulty and installation time.

Claims

A method of mobile power generation system includes the following steps:

1) Install the gas turbine, intake chamber, exhaust collector, generator, power unit, control system and auxiliary system on the first vehicle;

2) Install the air inlet assembly and air inlet expansion joint used to provide combustion air and ventilation air for the combustion engine room on the second transportation tool, and the air inlet expansion joint is connected with the air inlet assembly;

3) Install the exhaust pipe and exhaust expansion joint on the third transportation tool;

4) Move the first transportation tool to the designated position on the user site, move the second transportation tool and the third transportation tool to the predetermined position, use the air intake hydraulic moving device to adjust the horizontal and vertical position of the second transportation tool to make it enter The air expansion joint is docked with the air inlet chamber on the first transportation tool, and the exhaust hydraulic moving device is used to adjust the horizontal and vertical position of the third transportation tool, so that the exhaust expansion joint is docked with the exhaust collector on the first transportation tool ；

5) Rotate the exhaust pipe on the third vehicle from the horizontal position to the vertical direction, connect the exhaust pipe with the exhaust expansion joint, and discharge the exhaust gas to the atmosphere through the exhaust pipe.
The system for providing mobile power according to claim 1, wherein 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.
The method for a mobile power generation system according to claim 1, wherein the air intake component includes an air intake filter, an air intake muffler, and a ventilation fan.
The method of mobile power generation system according to claim 1, wherein the air inlet expansion joint includes a combustion-supporting expansion joint and a gas turbine room ventilation expansion joint, and the combustion-supporting expansion joint is connected to the air inlet chamber, and the gas turbine room ventilation expansion joint Connect with the combustion engine room.
The method for a mobile power generation system according to claim 1, characterized in that: according to different orientations of the air inlet chamber on the first vehicle, when the mobile power generation system is in working state, the second vehicle and the third The transportation means are arranged on the same side or opposite or adjacent sides of the first transportation means.
The method of mobile power generation system according to claim 1, characterized in that: during the docking process, the second transportation means and the third transportation means are respectively connected to the first transportation means simultaneously or sequentially through a hydraulic moving device.
The method of mobile power generation system according to claim 1, characterized in that: the first transportation means, the second transportation means and the third transportation means are at least one of a trailer, a truck, a skid or a barge.
The method of mobile power generation system according to claim 1, characterized in that: the exhaust pipe is horizontally arranged on the third transportation means in the transportation state.
The method of mobile power generation system according to claim 1, wherein the exhaust pipe includes an exhaust muffler, an exhaust chimney and an exhaust elbow, the exhaust expansion joint, an exhaust elbow, and The gas silencer and the exhaust chimney are connected in sequence, and the exhaust chimney is hydraulically rotated to the vertical direction when the exhaust pipe is in the working state.