Gas turbine online performance monitor
By setting up a variety of sensors inside the gas turbine and triggering pressure sensors with a movable plate, real-time monitoring of internal parameters of the gas turbine is achieved, solving the problem of reaction lag in the prior art, and improving equipment safety and operating efficiency.
Patent Information
- Application Number
- CN202411880317.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-03-21
AI Technical Summary
The existing gas turbine monitoring technology is difficult to monitor the various internal parameters of the gas turbine in real time and accurately, resulting in a lag in reaction when abnormal situations occur, which may lead to equipment damage or accidents.
An online performance monitor for gas turbines is designed. Real-time monitoring of internal pressure and other parameters of the gas turbine is achieved by setting up multiple sensors, such as temperature sensors, flow rate sensors and pressure sensors, and using internal wind power to drive the movable plate to trigger the pressure sensor.
Real-time monitoring of various internal parameters of the gas turbine is realized, which facilitates timely detection of abnormal situations, avoids equipment damage and accidents, and optimizes the operating efficiency of the gas turbine.
Smart Images
Figure CN119666385A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of gas turbine monitoring, and in particular to an online performance monitor for a gas turbine. Background Art
[0002] Gas turbines include compressors, equipment for heating working fluids, turbines, control systems and auxiliary equipment. Most of its circulation methods use isobaric combustion open cycles, with air and gas as working fluids. By compressing high-pressure gas into the combustion chamber, chemical energy is converted into mechanical work through the turbine through the reaction of chemical energy.
[0003] Monitor various operating parameters of the gas turbine, such as temperature and pressure, and compare these data with the preset safety range, so as to detect abnormal conditions in time and issue alarms. This helps operators to respond quickly to prevent equipment damage or accidents, while optimizing the operating efficiency of the gas turbine.
[0004] To this end, we propose a gas turbine online performance monitor. Summary of the invention
[0005] In view of the deficiencies of the prior art, the present invention provides a gas turbine online performance monitor, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gas turbine online performance monitor, comprising a gas turbine, an air inlet is arranged at one end of the gas turbine, a filter plate is arranged on the surface of the air inlet, a fixing ring is also arranged on the outside of the gas turbine, an external box is arranged on the outside of the fixing ring, a partition is arranged inside the gas turbine, a compression chamber is arranged on the side of the partition close to the filter plate, a combustion chamber is arranged on the end of the partition close to the external box, an opening is opened in the middle of the partition, a flow rate sensor is arranged in the opening, and a temperature sensor is arranged at the bottom of the gas turbine located in the combustion chamber.
[0007] In a preferred example, the present invention can be further configured as follows: a through hole is opened on the inner wall of the gas turbine, a movable plate is slidably arranged in the through hole, and the movable plate extends to the inside of the external box and an extended pressure plate is arranged.
[0008] In a preferred example, the present invention can be further configured as follows: a power supply is arranged inside the external box, an extension box is arranged inside the external box extending to the gas turbine, the extension box is hollow, and a fixed block is arranged at the bottom of the extension box, a pressure sensor is arranged on the top of the fixed block, and the pressure sensor is arranged below the extension pressure plate, and the power supply is electrically connected to the pressure sensor, the temperature sensor and the flow rate sensor.
[0009] In a preferred example, the present invention can be further configured as follows: a spring is further provided at the bottom of the extension box, and the other end of the spring is fixedly connected to the bottom of the movable plate extending into the extension box.
[0010] In a preferred example, the present invention can be further configured as follows: a rotating rod is provided on the combustion chamber, and turbine blades are installed through the rotating rod, and an output port is provided at the other end of the gas turbine.
[0011] In a preferred example, the present invention can be further configured as follows: a gap is left between the turbine blades and the movable plate, and both side walls of the through hole are provided with limiting grooves, a slider is provided in the limiting groove, and the slider is fixedly connected to the movable plate.
[0012] Beneficial effects of the present invention: The present invention provides a plurality of sensors and uses the wind force inside the gas turbine to drive the movable plate to trigger the pressure sensor to perform an internal pressure test, thereby facilitating monitoring of various data inside the gas turbine and facilitating timely discovery of abnormal situations to avoid equipment damage and accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall main structure of the present invention; Figure 2 It is a schematic cross-sectional structural diagram of a gas turbine according to the present invention; Figure 3 It is a structural schematic diagram of the extension box of the present invention; Figure 4 It is a schematic diagram of the internal cross-sectional structure of the extension box of the present invention.
[0014] In the figure: 1. gas turbine; 2. air inlet; 3. filter plate; 4. fixing ring; 5. external box; 6. compression chamber; 7. partition; 8. opening; 9. combustion chamber; 11. rotating rod; 12. turbine blades; 13. output port; 14. extension box; 16. through hole; 17. movable plate; 18. fixing block; 19. pressure sensor; 20. spring; 21. extension pressure plate. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0016] In the embodiment See also Figure 1-Figure 4A gas turbine online performance monitor comprises a gas turbine 1, an air inlet 2 is arranged at one end of the gas turbine 1, a filter plate 3 is arranged on the surface of the air inlet 2, a fixing ring 4 is arranged outside the gas turbine 1, an external box 5 is arranged outside the fixing ring 4, a partition 7 is arranged inside the gas turbine 1, a compression chamber 6 is arranged on the side of the partition 7 close to the filter plate 3, a combustion chamber 9 is arranged on the end of the partition 7 close to the external box 5, an opening 8 is opened in the middle of the partition 7, a flow rate sensor is arranged in the opening 8, and a temperature sensor is arranged at the bottom of the combustion chamber 9 of the gas turbine 1.
[0017] A through hole 16 is provided on the inner wall of the gas turbine 1, and a movable plate 17 is slidably provided in the through hole 16. The movable plate 17 extends to the inside of the external box 5 and an extension plate 21 is provided. A power source is provided inside the external box 5, and an extension box 14 is provided inside the external box 5 extending to the inside of the gas turbine 1. The extension box 14 is hollow, and a fixed block 18 is provided at the bottom of the extension box 14. A pressure sensor 19 is provided on the top of the fixed block 18. The pressure sensor 19 is provided below the extension plate 21. The power source is electrically connected to the pressure sensor 19, the temperature sensor, and the flow rate sensor. A spring 20 is also provided at the bottom of the extension box 14, and the other end of the spring 20 is fixedly connected to the bottom of the movable plate 17 extending into the extension box 14.
[0018] A rotating rod 11 is provided on the combustion chamber 9, and a turbine blade 12 is installed through the rotating rod 11. An output port 13 is provided at the other end of the gas turbine 1. A gap is left between the turbine blade 12 and the movable plate 17, and both side walls of the through hole 16 are provided with a limiting groove, and a slider is provided in the limiting groove, and the slider is fixedly connected to the movable plate 17.
[0019] Working principle: When the device is in use, air is taken in through the air inlet 2, impurities and dust are preliminarily screened through the filter plate 3, and the air enters the combustion chamber 9 through the opening 8 provided on the compression chamber 6 and the partition 7, for combustion and conversion into mechanical work. The air flow rate entering the combustion chamber 9 is monitored by the flow rate sensor provided on the opening 8, and the internal temperature is monitored by the temperature sensor provided at the bottom of the combustion chamber 9. The movable plate 17 is squeezed by the internal air flow, thereby driving the extended pressure plate 21 provided at the end of the movable plate 17 to move downward, and then touch the pressure sensor 19. The internal pressure of the gas turbine 1 is calculated through pressure calculation, which is convenient for external staff to monitor various parameters in the gas turbine 1 in time.
[0020] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A gas turbine online performance monitor, characterized in that: The invention comprises a gas turbine (1), wherein an air inlet (2) is arranged at one end of the gas turbine (1), a filter plate (3) is arranged on the surface of the air inlet (2), a fixing ring (4) is arranged outside the gas turbine (1), an external box (5) is arranged outside the fixing ring (4), a partition (7) is arranged inside the gas turbine (1), a compression chamber (6) is arranged on a side of the partition (7) close to the filter plate (3), a combustion chamber (9) is arranged on an end of the partition (7) close to the external box (5), an opening (8) is opened in the middle of the partition (7), a flow rate sensor is arranged in the opening (8), and a temperature sensor is arranged at the bottom of the combustion chamber (9) of the gas turbine (1).
2. A gas turbine online performance monitor according to claim 1, characterized in that: A through hole (16) is provided on the inner wall of the gas turbine (1), a movable plate (17) is slidably arranged in the through hole (16), and the movable plate (17) extends to the inside of the external box (5) where an extension pressure plate (21) is arranged.
3. A gas turbine online performance monitor according to claim 2, characterized in that: A power source is provided inside the external box (5), and an extension box (14) is provided inside the external box (5) extending to the gas turbine (1). The extension box (14) is hollow, and a fixing block (18) is provided at the bottom of the extension box (14). A pressure sensor (19) is provided at the top of the fixing block (18). The pressure sensor (19) is provided below the extension pressure plate (21), and the power source is electrically connected to the pressure sensor (19), the temperature sensor, and the flow rate sensor.
4. A gas turbine online performance monitor according to claim 3, characterized in that: A spring (20) is also provided at the bottom of the extension box (14), and the other end of the spring (20) is fixedly connected to the bottom of a movable plate (17) extending into the extension box (14).
5. A gas turbine online performance monitor according to claim 4, characterized in that: A rotating rod (11) is provided on the combustion chamber (9), and turbine blades (12) are mounted via the rotating rod (11). An output port (13) is provided at the other end of the gas turbine (1).
6. A gas turbine online performance monitor according to claim 5, characterized in that: A gap is left between the turbine blade (12) and the movable plate (17), and both side walls of the through hole (16) are provided with limit grooves, in which sliders are provided, and the sliders are fixedly connected to the movable plate (17).