Yufeng Power: A modern enterprise specializing in the production of high-power, medium- and low-speed diesel engines and low-power steam turbines.
12
2020-08
Working Principle of Steam Turbines
The operating principle of a steam turbine involves the flow of steam, the generation of forces acting on the blades, the formation of losses, and methods for adapting the turbine to changes in external load. According to how the energy contained in the steam is converted into mechanical work within each stage of the turbine, turbine stages can be classified into three types: impulse stages, reaction stages, and velocity stages. The operating principle of an impulse stage: In the nozzle, the steam expands, with its pressure dropping from p0 at the inlet to p1 at the outlet. As the cross-sectional area of the nozzle passage gradually decreases, the velocity of the steam within the nozzle steadily increases. The energy contained in the steam is transformed into kinetic energy of the steam flow, and upon exiting the nozzle, the absolute velocity of the steam...
05
2020-08
Common Issues in Turbine Installation
During the installation of steam turbines, turbine leakage and cylinder deformation are among the most common equipment problems. The tightness of the cylinder joint surface directly affects the safe and economical operation of the unit. Therefore, inspecting and lapping the cylinder joint surfaces to ensure their tightness is an essential part of cylinder maintenance. In addressing steam leakage at the joint surface, it is crucial to carefully analyze the underlying causes. Depending on the degree of deformation and the size of the gap, various methods can be employed in combination to achieve the required tightness of the joint surface. Causes of Cylinder Leakage
05
2020-08
Common Issues in Turbine Installation
During the installation of steam turbines, turbine leakage and cylinder deformation are among the most common equipment problems. The tightness of the cylinder joint surface directly affects the safe and economical operation of the unit. Therefore, inspecting and lapping the cylinder joint surfaces to ensure their tightness is an essential part of cylinder maintenance. In addressing steam leakage at the joint surface, it is crucial to carefully analyze the underlying causes. Depending on the degree of deformation and the size of the gap, various methods can be employed in combination to achieve the required tightness of the joint surface. Causes of Cylinder Leakage
30
2020-07
As the application scope of steam turbines continues to expand, so does the attention paid to them by industry professionals. However, after a certain period of use, steam turbines inevitably encounter various types of failures, making turbine maintenance an increasingly important issue. Steam Turbine Repair and Fault-Handling Procedure To accurately diagnose faults in steam turbines, it’s essential to start with the specific characteristics exhibited by the fault itself. By identifying the unique features inherent to the fault, we can analyze and summarize the types of failures that manifest based on these characteristics. The following are the current methods for diagnosing steam turbine faults:
27
2020-07
Classification of Steam Turbine Production
A steam turbine is a power machinery used in thermal power generation; it drives a generator to produce electricity. It is a rotary power machine that converts the energy of steam into mechanical work, and is one of the key components of a steam power plant. The steam turbine is a type of turbomachinery, also known as a steam turbine. There are many types of steam turbines, and they can be classified in various ways. According to their structure, steam turbines can be divided into single-stage turbines and multi-stage turbines. Single-cylinder turbines, in which all stages are housed within a single cylinder, and multi-cylinder turbines, in which the stages are distributed across several cylinders; single-shaft turbines, where all stages are mounted on a single shaft, and double-shaft turbines, where the stages are mounted on two parallel shafts, are some examples.
21
2020-06
Industrial Drive Turbines: Factors Causing Water Leakage in Turbines
Industrial-driven turbine machinery boasts numerous excellent features. The reason for using it is simply that it can generate electricity by harnessing the kinetic energy of steam. In this process, it achieves environmental friendliness and green operation, making it an ideal piece of equipment. The equipment must not allow any water to seep in; otherwise, it could cause a short circuit.