Fracturing apparatus and control method thereof, fracturing system

Patent metadata

Field	Value
Publication number	US-11680474-B2
Application number	US-202217884358-A
Country	US
Kind code	B2
Filing date	Aug 9, 2022
Priority date	Jun 13, 2019
Publication date	Jun 20, 2023
Grant date	Jun 20, 2023

Abstract

A fracturing apparatus may include 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.

First claim

The invention claimed is:

1. A fracturing apparatus, comprising:
a power supply platform;
a gas turbine engine;
a generator; and
one or more rectifiers, wherein:
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; and
the generator is configured to output a voltage to the one or more rectifiers.

2. The fracturing apparatus according to claim 1 , further comprising:
a first plunger pump, comprising a first power end and a first hydraulic end; and
a prime mover, comprising a first power output shaft; wherein:
the first power end of the first plunger pump comprises a first power input shaft; and
the prime mover is coupled to the generator via the one or more rectifiers.

3. The fracturing apparatus according to claim 2 , further comprising:
a first clutch, comprising a first connection portion and a second connection portion,
wherein the first connection portion is coupled to the first power input shaft, and the second connection portion is coupled to the first power output shaft of the prime mover.

4. The fracturing apparatus according to claim 3 , wherein:
the first clutch further comprises a first clutch portion between the first connection portion and the second connection portion; and
the fracturing apparatus further comprises a first clutch hydraulic system coupled to the first clutch portion and configured to provide hydraulic oil to the first clutch.

5. The fracturing apparatus according to claim 4 , further comprising:
a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is configured to detect a hydraulic pressure of the first clutch hydraulic system, the first hydraulic end of the first plunger pump comprises a first liquid output end, and the second pressure sensor is configured to detect a pressure of liquid output by the first liquid output end.

6. The fracturing apparatus according to claim 5 , further comprising:
a discharge manifold, connected with the first liquid output end,
wherein the second pressure sensor is disposed on the first liquid output end or the discharge manifold.

7. The fracturing apparatus according to claim 4 , further comprising:
a first temperature sensor, configured to detect a temperature of the first clutch; and
a second temperature sensor, configured to detect a temperature of the hydraulic oil in the first clutch hydraulic system.

8. The fracturing apparatus according to claim 2 , further comprising:
a gearbox;
a second plunger pump, comprising a second power end and a second hydraulic end; and
a second clutch, comprising a third connection portion and a fourth connection portion,
wherein the prime mover further comprises a second power output shaft, the second power end of the second plunger pump comprises a second power input shaft, the third connection portion is coupled to the second power input shaft, the fourth connection portion is coupled to the second power output shaft of the prime mover, and the gearbox connects the second power input shaft with the second power output shaft.

9. The fracturing apparatus according to claim 8 , wherein:
the second clutch further comprises a second clutch portion between the third connection portion and the fourth connection portion;
the fracturing apparatus further comprises a second clutch hydraulic system coupled to the second clutch portion and configured to provide hydraulic oil to the second clutch;
the fracturing apparatus further comprises a third pressure sensor and a fourth pressure sensor; and
the third pressure sensor is configured to detect a hydraulic pressure of the second clutch hydraulic system, the second hydraulic end of the second plunger pump comprises a second liquid output end, and the fourth pressure sensor is configured to detect a pressure of liquid output by the second liquid output end.

10. The fracturing apparatus according to claim 2 , further comprising:
a first vibration sensor, configured to detect vibration of the first plunger pump; and
a second vibration sensor, configured to detect vibration of the prime mover,
wherein the fracturing apparatus further comprises a plunger pump base, the first plunger pump is disposed on the plunger pump base, and the first vibration sensor is disposed on the first plunger pump or the plunger pump base; and
wherein the fracturing apparatus further comprises a prime mover base, the prime mover is disposed on the prime mover base, and the second vibration sensor is disposed on the prime mover or the prime mover base.

11. The fracturing apparatus according to claim 2 , further comprising:
a first rotation speed sensor, configured to detect an actual rotation speed of the first power input shaft of the first plunger pump; and
a second rotation speed sensor, configured to detect an actual rotation speed of the first power output shaft of the prime mover.

12. The fracturing apparatus according to claim 2 , further comprising:
a planetary gearbox; and
a first clutch, comprising a first connection portion and a second connection portion, wherein:
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;
the planetary gearbox comprises an input gear shaft;
the first connection portion of the first clutch is directly connected with the input gear shaft; and
the first power input shaft is directly connected with the planetary gearbox.

13. The fracturing apparatus according to claim 2 , further comprising a radiator, a power supplier, and a motor, wherein:
the prime mover comprises a diesel engine, an electric motor, or a turbine engine,
the power supplier, the motor, the radiator, and the first plunger pump are disposed on the power supply platform,
the power supplier is coupled and configured to supply power to the motor, the motor is coupled to and configured to drive the first plunger pump, and
the radiator is configured to cool lubricating oil in the first plunger pump.

14. The fracturing apparatus according to claim 13 , wherein the power supplier comprises a voltage converter and a frequency converter, the frequency converter is coupled to the voltage converter, the voltage converter is disposed at one end of the power supply platform near the motor, and the frequency converter is disposed on a gooseneck of the power supply platform.

15. The fracturing apparatus according to claim 14 , wherein:
the voltage converter comprises a compartment structure comprising a high voltage switch and a transformer connected to each other;

the frequency converter comprises a compartment structure comprising a frequency converter; and
an input end of the frequency converter is connected to the voltage converter, and an output end of the frequency converter is connected to the motor.

16. The fracturing apparatus according to claim 13 , further comprising:
a noise reduction device comprising a cabin structure, wherein the noise reduction device covers the motor and isolates the motor from the first plunger pump;
an oil tank containing lubricating oil;
a lubrication driving device configured to supply the lubricating oil from the oil tank to the first plunger pump;
a cooler comprising a fan disposed inside the noise reduction device and above the motor and configured to cool the lubricating oil, wherein the lubrication drivi

Assignees

• Yantai Jereh Petroleum Equipment & Technologies Co Ltd

Inventors

• Cui Shuzhen
• Zhang Rikui
• Liu Dong
• Zhong Jifeng
• Lv Liang
• Li Xincheng
• Chang Sheng
• Lan Chunqiang
• Zhang Jian
• Ji Xiaolei
• Zhang Huaizhi
• Du Ruijie
• Zhao Dawei
• Li Shouzhe

Classifications

• E21B43/2607 Primary

  Surface equipment specially adapted for fracturing operations · CPC title

• H02K7/1823

  structurally associated with turbines or similar engines · CPC title

• F04B17/03

  driven by electric motors · CPC title

• F04B2205/06

  Pressure in a (hydraulic) circuit · CPC title

• F04B49/02

  Stopping, starting, unloading or idling control · CPC title