Turbine cleaning system

Patent metadata

Field	Value
Publication number	US-12276201-B2
Application number	US-202217587621-A
Country	US
Kind code	B2
Filing date	Jan 28, 2022
Priority date	Jan 29, 2021
Publication date	Apr 15, 2025
Grant date	Apr 15, 2025

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.

First claim

What is claimed is:

1. A turbine engine cleaning system, comprising:
a temperature sensor configured to obtain a temperature within a combustion chamber of a turbine engine;
a first cleaning agent storage device configured to store a first liquid cleaning agent and a second cleaning agent storage device configured to store a second liquid cleaning agent; and
a cleaning agent delivery device connected the first cleaning agent storage device and the second cleaning agent storage device to the combustion chamber of the turbine engine, the cleaning agent delivery device comprising:
a pipe comprising a front-end pipe and a rear-end pipe, wherein the front-end pipe is connected to the first cleaning agent storage device and the second cleaning agent storage device, and the rear-end pipe is connected to the front-end pipe and the combustion chamber; and
a driver mechanism which is connected to the front-end pipe and configured to drive the first liquid cleaning agent and the second liquid cleaning agent from the first cleaning agent storage device and the second cleaning agent storage device, as a mixed cleaning agent into the combustion chamber through the front-end pipe and the rear-end pipe for cleaning when the temperature within the combustion chamber is less than or equal to a predetermined temperature and when a pressure within the pipe is greater than or equal to a predetermined pressure, wherein the mixed cleaning agent is a mixture of the first liquid cleaning agent and the second liquid cleaning agent, and wherein a mixing ratio between the first liquid cleaning agent and the second liquid cleaning agent in the mixed cleaning agent is set as a function of the predetermined temperature.

2. The turbine engine cleaning system according to claim 1 , wherein the predetermined temperature is an ambient temperature.

3. The turbine engine cleaning system according to claim 1 , wherein the temperature sensor comprises an infrared temperature sensor, and the temperature sensor is disposed outside the combustion chamber.

4. The turbine engine cleaning system according to claim 1 , wherein the turbine engine cleaning system further comprises:
a control unit which is connected to the temperature sensor and the cleaning agent delivery device, and configured to receive temperature information within the combustion chamber obtained by the temperature sensor, and configured to control the driver mechanism to drive the first liquid cleaning agent and the second liquid cleaning agent to the combustion chamber by the front-end pipe and the rear-end pipe when the temperature within the combustion chamber is less than or equal to the predetermined temperature, and configured to control the mixing ratio of the first liquid cleaning agent and the second liquid cleaning agent in the mixed cleaning agent according to the predetermined temperature.

5. The turbine engine cleaning system according to claim 4 , wherein the turbine engine cleaning system further comprises:
a pressure sensor configured to obtain a pressure within the pipe; and
a pressure adjustment device configured to adjust the pressure within the pipe, wherein the control unit is further connected to the pressure sensor, the pressure adjustment device and the cleaning agent delivery device, and is configured to obtain the pressure within the pipe, and is configured to control the driver mechanism to drive the first liquid cleaning agent and the second liquid cleaning agent into the combustion chamber when the pressure is greater than or equal to the predetermined pressure, and is configured to control the driver mechanism to stop driving the first liquid cleaning agent and the second liquid cleaning agent into the combustion chamber, and control the pressure adjustment device to adjust the pressure within the pipe to reach the predetermined pressure, when the pressure is lower than the predetermined pressure.

6. The turbine engine cleaning system according to claim 5 , wherein the turbine engine cleaning system further comprises:
an image sensor configured to obtain image information of a surface to be cleaned before cleaning the turbine engine; and
wherein the control unit is further configured to obtain the image information, to identify a degree of cleanliness of the surface to be cleaned fed back by the image information, and to control the pressure adjustment device to adjust the pressure within the pipe according to the degree of cleanliness.

7. The turbine engine cleaning system according to claim 5 , wherein: the rear-end pipe comprises a first sub-rear-end pipe and a second sub-rear-end pipe,
a first end of the first sub-rear-end pipe and a first end of the second sub-rear-end pipe are both communicated with the front-end pipe,
a second end of the first sub-rear-end pipe is at a first position within the combustion chamber of the turbine engine and is configured to feed the mixed cleaning agent into the combustion chamber at the first position,
a second end of the second sub-rear-end pipe is at a second position within the combustion chamber of the turbine engine and is configured to feed the mixed cleaning agent into the combustion chamber at the second position, and
the first position is different from the second position.

8. The turbine engine cleaning system according to claim 7 , wherein the turbine engine cleaning system further comprises:
a moving device configured to move a position of the second end of the first sub-rear-end pipe and a position of the second end of the second sub-rear-end pipe.

9. The turbine engine cleaning system according to claim 7 , wherein the front-end pipe comprises a first sub-front-end pipe and a second sub-front-end pipe, the first end of the first sub-front-end pipe is connected to the first cleaning agent storage device and the first end of the second sub-front-end pipe is connected to the second cleaning agent storage device; and
wherein the cleaning agent delivery device further comprises:
a mixer connected to a second end of the first sub-front-end pipe, a second end of the second sub-front-end pipe and the rear-end pipe, wherein the rear-end pipe is between the mixer and the combustion chamber, the first liquid cleaning agent enters the mixer via the first sub-front-end pipe, and the second liquid cleaning agent enters the mixer via the second sub-front-end pipe, and the first liquid cleaning agent and the second liquid cleaning agent are mixed in the mixer.

10. The turbine engine cleaning system according to claim 9 , wherein the pressure sensor is disposed on the rear-end pipe and is configured to obtain a pressure within the rear-end pipe.

11. The turbine engine cleaning system according to claim 9 , wherein the pressure adjustment device comprises:
a first sub-pressure adjustment device which is disposed on the first sub-front-end pipe and configured to adjust a pressure within the first sub-front-end pipe; and
a second sub-pressure adjustment device disposed on the second sub-front-end pipe and configured to adjust a pressure within the second sub-front-end pipe.

12. The turbine engine cleaning system according to claim 9 , wherein the turbine engine cleaning system further comprises:
a first cleaning agent adjustment device configured to control an amount of the first liquid cleaning agent entering the first sub-front-end pipe; and
a second cleaning agent adjustment device configured to control an amount of the second liquid cleaning agent entering the second sub-front-end pipe;
wherein the control unit is connected to the temperature sensor, the first cleaning agent adjustment device and the second cleaning agent adjustment device, and is configured to cont

Assignees

• Yantai Jereh Petroleum Equipment & Technologies Co Ltd

Inventors

• Ji Xiaolei
• Zhang Rikui
• Fu Shanwu
• Zhang Peng
• Chang Sheng
• Lan Chunqiang
• Wu Yipeng
• Li Xincheng
• Sun Yuxuan

Classifications

• B08B3/02 Primary

  Cleaning by the force of jets or sprays · CPC title

• B08B13/00

  Accessories or details of general applicability for machines or apparatus for cleaning · CPC title

• F05D2220/30

  in turbines · CPC title

• F01D25/002 Primary

  Cleaning of turbomachines · CPC title

• B08B9/00

  Cleaning hollow articles by methods or apparatus specially adapted thereto · CPC title