Fracturing apparatus and control method thereof, fracturing system

Patent metadata

Field	Value
Publication number	US-12326074-B2
Application number	US-202318311042-A
Country	US
Kind code	B2
Filing date	May 2, 2023
Priority date	Jun 13, 2019
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

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.

First claim

The invention claimed is:

1. A fracturing apparatus, comprising:
a motor;
a first plunger pump;
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;
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; and
the motor is configured to drive the first plunger pump.

2. The fracturing apparatus according to claim 1 , further comprising:
a prime mover comprising the motor, wherein 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 prime mover comprises a first power output shaft;
the first plunger pump comprises a first power end and a first hydraulic end;
the first power end of the first plunger pump comprises a first power input shaft; and
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 3 , wherein:
the first plunger pump is a five cylinder plunger pump comprising a power end assembly, a hydraulic end assembly, and a reduction gearbox assembly;
the power end assembly comprises the first power end;
the hydraulic end assembly comprises the first hydraulic end;
the power end assembly is connected to the hydraulic end assembly and the reduction gearbox assembly; and
the power end assembly comprises a crankcase, a crosshead case, and a spacer frame connected in sequence.

9. The fracturing apparatus according to claim 8 , wherein:
the crankcase and the crosshead case are integrally welded to form a power end housing connected to the spacer frame;
the power end housing comprises a plurality of vertical plates, a plurality of bearing seats, a front end plate, a back cover plate, a base plate, a support plate, and an upper cover plate;
each of the vertical plates is connected to a corresponding one of the bearing seats;
the vertical plates are arranged in parallel to form a power end chamber;
the base plate is mounted at a bottom of the power end chamber;
the upper cover plate is mounted on a top of the power end chamber;
the front end plate is mounted at a front end of the power end chamber;
the back cover plate is mounted at a back end of the power end chamber; and
the support plate is disposed between two adjacent vertical plates arranged in parallel.

10. 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.

11. The fracturing apparatus according to claim 10 , 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.

12. 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.

13. The fracturing apparatus according to claim 3 , 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.

14. 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 prime mover comprises a first power output shaft;
the first plunger pump comprises a first power end and a first hydraulic end;
the first power end of the first plunger pump comprises 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;
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.

15. The fracturing apparatus according to claim 2 , further comprising:
an

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

• F04B17/06

  Mobile combinations · CPC title

• F04B17/05

  driven by internal-combustion engines · CPC title

• H02K11/05

  Rectifiers associated with casings, enclosures or brackets · CPC title

• H02K11/049

  Rectifiers associated with stationary parts, e.g. stator cores · CPC title

• H02K11/04

  for rectification · CPC title