Abstract: This disclosure provided is a connecting structure for connecting a first workpiece to a second workpiece. The connecting structure includes: a first connecting assembly disposed on the first workpiece; a second connecting assembly disposed on the second workpiece, wherein the second connecting assembly includes a second connecting member and a fixing assembly, the second connecting member is movably disposed, so as to connect the second connecting member and the first connecting assembly; the fixing assembly is connected with the second connecting member, and the fixing assembly is movably disposed relative to the second connecting member; and a locking portion, wherein at least part of the locking portion is disposed on the second workpiece, and the fixing assembly is connected with the locking portion.

Abstract: A turbine engine cleaning system is disclosed. In the turbine engine cleaning system, a temperature sensor obtains a temperature within a combustion chamber of the turbine engine; a cleaning agent storage device stores cleaning agent; a cleaning agent delivery device is connected between the cleaning agent storage device and the combustion chamber of the turbine engine, and includes a pipe and a driver mechanism; the pipe includes a front-end pipe and a rear-end pipe; the front-end pipe is connected to the cleaning agent storage device; the rear-end pipe is connected to the front-end pipe and the combustion chamber; the driver mechanism is connected to the front-end pipe and drives the cleaning agent to enter the combustion chamber from the cleaning agent storage device by the front-end pipe and the rear-end pipe to clean components when the temperature within the combustion chamber is less than or equal to a predetermined temperature.

Abstract: A fracturing device includes a power unit, and the power unit includes a muffling compartment, a turbine engine, and an air intake unit. The air intake unit is communicated with the turbine engine through an intake pipe and configured to provide a combustion-supporting gas to the turbine engine; the air intake unit is at a top of the muffling compartment and the muffling compartment has an accommodation space, the turbine engine is within the accommodation space. A fan is further provided to generate wither positive pressure or negative presser in the muffling compartment to facilitate a cooling of the turbine engine.

Abstract: An exhaust device and an installation method thereof, a turbine fracturing apparatus, and a disassembly method of a turbine are provided. The exhaust device includes a body, a fixation plate, a pressure plate, and a diffusion pipe; the body includes a side wall; the fixation plate is configured to be fixed to the side wall; the pressure plate is configured to be able to be pre-fixedly connected and fixedly connected with the fixation plate; the diffusion pipe is configured to be fixed to the side wall through the pressure plate and the fixation plate; the fixation plate further comprises a first pre-installation part, and the pressure plate further comprises a second pre-installation part, and the second pre-installation part is matched with the first pre-installation part to realize pre-fixation of the diffusion pipe.

Abstract: The present disclosure provides a fracturing device, which comprises: a turbine engine, an output end of the turbine engine rotating along a first rotational direction; a plunger pump, a power input end of the plunger pump rotating along a second rotational direction; and a transmission mechanism, wherein an input end of the transmission mechanism is connected with the output end of the turbine engine, an output end of the transmission mechanism is connected with the power input end, and the transmission mechanism is configured for transmitting a power of the turbine engine to the plunger pump. The fracturing device of the present disclosure solves the problem that the requirements of high torque and low rotational speed of the fracturing device are difficult to meet due to the characteristic of high rotational speed of a turbine engine in the prior art.

Abstract: A device may include a driving mechanism, a clutch brake assembly and a fracturing apparatus, where the clutch brake assembly includes a housing, an input shaft, an output shaft, a clutch mechanism and a brake mechanism; the clutch mechanism and the brake mechanism are respectively disposed at two sides in an axial direction of the clutch brake assembly, and are sheathed on the output shaft; one end of the input shaft is connected with the driving mechanism; the other end of the input shaft penetrates into the housing and is respectively connected with the clutch mechanism and one end of the output shaft; and the other end of the output shaft penetrates out of the housing to be connected with the fracturing apparatus. When the fracturing apparatus stops operating, the driving mechanism can continuously operate, a condition of topspeed brake can be avoided.

Abstract: An oil-gas treatment system, an oil-gas treatment method and a mechanical apparatus are disclosed. The oil-gas treatment system includes an oil-gas separation device and a first oil-gas delivery device. The oil-gas separation device is configured to perform an oil-gas separation treatment on oil-gas generated by an oil-gas generation device, the oil-gas separation device includes a lubrication oil box for containing lubrication oil; the first oil-gas delivery device is communicated with the lubrication oil box and is configured to convey at least a part of the oil-gas into the lubrication oil box; the lubrication oil box is configured to separate the oil-gas conveyed into the lubrication oil box, and a separated oil product is left in the lubrication oil box.

Abstract: A mounting bracket and an auxiliary mechanism are disclosed. The mounting bracket includes a mounting base, a first mounting plate, a second mounting plate and a tubular connection structure; the first mounting plate and the second mounting plate are fixed on the mounting base; the second mounting plate and the first mounting plate are oppositely arranged and spaced apart; the first mounting plate includes at least one first mounting hole and a first fixing hole, the second mounting plate includes a second fixing hole, and the first mounting hole is configured to mount a motor or an oil pump; one end of the tubular connection structure is connected with an edge of the first fixing hole, and another end of the tubular connection structure is connected with an edge of the second fixing hole.

Abstract: A low-pressure liquid inlet manifold and a fracturing apparatus are disclosed. The low-pressure liquid inlet manifold includes a main liquid inlet pipe and N liquid feeding pipes; the N liquid feeding pipes are arranged in sequence; each of the liquid feeding pipes includes a third end and a fourth end, the third end is communicated with the main liquid inlet pipe, and the fourth end is configured to provide low-pressure liquid to a plunger pump; and the low-pressure liquid inlet manifold further includes at least one auxiliary accumulator, which is connected with the main liquid inlet pipe and is arranged corresponding to at least one of the N liquid feeding pipes, an orthographic projection of the auxiliary accumulator on an axis of the main liquid inlet pipe overlaps with an orthographic projection of a corresponding liquid feeding pipe on the axis.

Abstract: A fracturing apparatus may include a first plunger pump including a first power end and a first hydraulic end; a prime mover including a first power output shaft; and a first clutch including a first connection portion and a second connection portion. The first power end of the first plunger pump includes a first power input shaft, the first connection portion is coupled to the first power input shaft, the second connection portion is coupled to the first power output shaft of the prime mover.

Abstract: A gas turbine overspeed protection method includes: a power utilization load of a generator is acquired, and a rotating speed value of a gas turbine is acquired; whether the power utilization load suddenly decreases or disappears is judged, and if so, an eddy current retarder is controlled by a controller to simulate the power utilization load to provide a braking torque for the generator; or, whether the rotating speed value exceeds a set speed range is judged, and if so, the gas turbine is controlled by the controller to reduce fuel supply, and a discharge valve of a gas compressor is opened to discharge a high-pressure gas to reduce the power output and the rotating speed of the gas turbine.

Abstract: This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation.

Abstract: A fracturing apparatus and a fracturing system are provided. The fracturing apparatus includes: a plunger pump configured to pressurize a fracturing fluid to form a high-pressure fracturing fluid; a turbine engine coupled to the plunger pump and configured to provide a driving force to the plunger pump; an auxiliary unit including an electric motor unit, the auxiliary unit being configured to provide the fracturing apparatus with at least one selected from the group consisting of start-up assist function, lubrication function, cooling function, and air supply function; and a power supply electrically coupled to the electric motor unit of the auxiliary unit to provide a power source.

Abstract: A fracturing apparatus includes a motor, a first plunger pump, a power supply platform, a gas turbine engine, a generator, and one or more rectifiers. At least two of the gas turbine engine, the generator, and the one or more rectifiers are arranged on the power supply platform. A first end of the generator is connected to the gas turbine engine. A second end of the generator is connected to the one or more rectifiers. The generator is configured to output a voltage to the one or more rectifiers. The one or more rectifiers are configured to provide power to the motor. The motor is configured to drive the first plunger pump.

Abstract: A fracturing apparatus, comprising: a plurality of portions to be heated; a heating system for heating each of the portions to be heated; and an auxiliary power unit, which is configured to at least provide power for a heating operation by the heating system. When the fracturing apparatus operates in a cold area, each of the portions to be heated can be heated by the heating system, so as to ensure the normal start-up and operation effect of the fracturing apparatus.

Abstract: The present invention discloses a hydraulic fracturing system for driving a plunger pump with a turbine engine using a drive train. The driving train may include a reduction gearbox and a transmission device. The turbine engine is connected to an input of the reduction gearbox, an output of the reduction gearbox is connected to an input of the transmission device, and an output of the transmission device is connected to a drive input of the fracturing pump. The transmission device is configured to be switchable to one of a set of rotational speed conversion ratios. The transmission device may further include a clutch for effectuate a switching between the set of rotational speed conversion ratios. The drivetrain may alternatively or further include a torque convertor disposed between the reduction gearbox and the transmission device.

Abstract: A fracturing apparatus may include a first plunger pump including a first power end and a first hydraulic end; a prime mover including a first power output shaft; and a first clutch including a first connection portion and a second connection portion. The first power end of the first plunger pump includes a first power input shaft, the first connection portion is coupled to the first power input shaft, the second connection portion is coupled to the first power output shaft of the prime mover.

Abstract: The present disclosure provides a fracturing system comprising fracturing equipment. The fracturing equipment comprises a power supply platform, a gas turbine engine, one or more rectifiers, and a power system comprising at least one of the following: a generator, an energy storage, and an electricity supplier. At least two of the gas turbine engine, the power system, and the one or more rectifiers are arranged on the power supply platform. A first end of the power system is connected to the gas turbine engine. A second end of the power system is connected to the one or more rectifiers. The power system is configured to output a voltage to the one or more rectifiers directly without passing through a rectifier transformer.

Abstract: Some embodiments of the disclosure disclose a connecting structure, and a plunger pump device and a generator device. The connecting structure is used for connecting a bottom and a beam body; the beam body comprises a beam body and a wing plate; the connecting structure includes: a connecting body which comprises a first connecting portion and a second connecting portion which are connected with each other, wherein the first connecting portion has a first surface, the second connecting portion has a second surface, the first surface is used for mounting the bottom, and the second surface is used for mounting the beam body; a first angle is formed between the first surface and the second surface, and a wing plate mounting space is formed between the first connecting portion and the second connecting portion.

Abstract: A fracturing apparatus and a fracturing system are provided. The fracturing apparatus includes: a plunger pump configured to pressurize a fracturing fluid to form a high-pressure fracturing fluid; a turbine engine coupled to the plunger pump and configured to provide a driving force to the plunger pump; an auxiliary unit including an electric motor unit, the auxiliary unit being configured to provide the fracturing apparatus with at least one selected from the group consisting of start-up assist function, lubrication function, cooling function, and air supply function; and a power supply electrically coupled to the electric motor unit of the auxiliary unit to provide a power source.