Post-expansion within the turbine, nearly all steam, bar negligible shaft seal leakage, transitions into the condenser to undergo condensation into water. Within the condenser, the turbine's exhaust steam is rapidly cooled, substantially contracting its volume to establish a vacuum. This vacuum significantly reduces the turbine's exhaust pressure, enhancing the steam's enthalpy drop and thereby boosting the power plant system's thermal efficiency.
Main Application Fields
Thermal power generation: It is the main application field of condensing steam turbines. In thermal power plants, boilers burn fuel to produce high-temperature and high-pressure steam, which enters the condensing steam turbine to expand and do work, driving the generator to produce electricity. The high efficiency of condensing steam turbines enables thermal power plants to generate a large amount of electricity while consuming less fuel.
Combined heat and power generation: In some combined heat and power systems, condensing steam turbines can also be combined with heating systems. Through reasonable design, part of the steam from the steam turbine can be used for power generation, and the other part can be used for heating, thereby achieving comprehensive utilization of energy and improving energy utilization efficiency.
Advantages
High efficiency: Due to the function of the condenser, a high vacuum can be formed at the exhaust port of the steam turbine, which makes the expansion process of steam inside the steam turbine more complete and thus improves the thermal efficiency of the steam turbine. Compared with back-pressure steam turbines, the thermal efficiency of condensing steam turbines is usually higher.
Low power generation cost: Condensing steam turbines are widely used in thermal power plants, and their power generation cost is relatively low. This is because condensing steam turbines have higher efficiency, can fully utilize the steam energy produced by the boiler, and their equipment structure is relatively simple, with lower operation and maintenance costs.
Flexible regulation: Condensing steam turbines can flexibly adjust the power generation capacity by regulating the steam intake and extraction steam volume, etc., to adapt to the changes in grid load. This flexibility in regulation enables condensing steam turbines to better meet the operational requirements of the power grid.
The condensing steam turbine is a highly efficient and reliable thermal equipment, widely used in the power generation field. Its high efficiency and flexible regulation ability make it play an important role in modern energy systems.
Discover the exceptional edge of our company as we lead the industry in custom-designing and independently developing high-efficiency condensing steam turbine units. Our innovative multi-stage small enthalpy drop impulse steam turbines stand apart. Unlike rotors from other manufacturers, our design incorporates an additional 2-4 pressure stages. By reducing the distance between flow stages, we accommodate more stages within the flow part, resulting in a decreased enthalpy drop for each stage. This reduction minimizes the flow diameter and significantly cuts down blade height losses. We've optimized the profile design of blades, nozzles, and diaphragm nozzles in the flow section to effectively diminish all flow losses, thereby enhancing the mechanical conversion efficiency. This cutting-edge approach offers remarkable load adaptation and overload capacity. Our technology earned a coveted spot in the 2019 China Industrial Energy Conservation Technology and Equipment Recommendation Catalog and Cases as recognized by the Ministry of Industry and Information Technology of China.
Our company's core technical configuration focuses on optimizing the blade profile of conventional units. By performing precise thermal calculations adhering to the "conservation of energy" principle, we align the design condition parameters of the original unit with actual operational conditions. Concurrently, we introduce new partitions to adjust the flow area and refine the flow structure. This modification ensures the unit operates efficiently and seamlessly, achieving the ultimate goal of energy conservation and enhanced efficiency.
The high-efficiency labyrinth teeth steam seals, meticulously crafted by our expert team, offer remarkable features:
- The labyrinth teeth are extended and densified, boosting density from 36 to an impressive 45 teeth, with increased tooth height.
- Experience superior sealing performance, with tests demonstrating that under identical steam seal clearance and pressure differentials, the densified labyrinth seal slashes leakage losses by an astounding 30%-50% compared to conventional counterparts.
- It enhances moisture removal capabilities in the blade passages of the wet steam region, mitigating water erosion on the final stages of moving blades.
- It bolsters vibration damping capabilities of the shaft, diminishes shaft vibrations, and curtails the onset of steam-induced vibrations.
- Effectively minimizing steam leakage, our design ensures steam performs more efficiently, boosting operational efficiency and elevating the safety index of the unit.
Product Service Life
Every component of our condensing steam turbine is engineered with high-specification configurations, guaranteeing the safe operation of the unit. The major components are expertly designed for a service life that extends beyond 30 years.
Outstanding Hardware Processing Support and Testing Capabilities
In our modern production workshops equipped with state-of-the-art hardware processing tools and comprehensive testing equipment, we ensure the precision processing of every component. Each product undergoes rigorous testing and inspection before leaving the factory, complete with detailed reports to underscore its quality and reliability.
YTS's Technical Advantages
1. Our multi-stage impulse steam turbine boasts an impressive design, featuring 2 to 4 additional pressure stages compared to competitors. By skillfully reducing stage distances, we accommodate more stages within the flow section, effectively minimizing the enthalpy drop at each stage. This innovation leads to a reduced flow structure diameter, significantly decreasing blade height losses. This cutting-edge technology was proudly selected and featured in the prestigious 2019 National Recommended Catalogue, as well as the Guideline and Cases of Industrial Energy-Saving Technologies and Equipments, as released by the esteemed Chinese Ministry of Industry and Information Technology.
2. Our monolithic forged rotor assembly employs a robust whole forging method, creating a rigid rotor that enhances operational safety and stability. With the seamless integration of the impeller and shaft, the optimized blade profile is meticulously synchronized with partitions, ensuring superior performance.
3. By ingeniously reducing the rotor diameter while extending the blade length, we minimize contact gaps to curtail steam leakage. This design ensures that steam acts to its fullest potential, thereby delivering exceptional efficiency and increased electricity generation even under identical working conditions.
4. We incorporate a sleeve cylinder, available in both casting and forging types, reinforced with a partition sleeve. This enhancement, in conjunction with newly introduced pressure stages and partitions, augments operational air tightness, diminishes air leakage, and bolsters safety, ultimately amplifying the unit's operational capacity.
5. By extending and increasing the number of comb-teeth steam seals from the original 36 teeth to 45, along with augmenting tooth height, we effectively curtail steam leakage, ensuring optimal performance and efficiency.
6. Compared to similar domestic steam extraction back pressure units, our design can boost efficiency by an impressive 10% to 30%, while simultaneously reducing unit dimensions and space occupancy. The refined flow structure allows the unit to generate more power under the same working conditions, translating into substantial energy-saving economic benefits.
1. Q: How to determine the parameters of steam turbine?
R: Design steam turbine units with different working conditions according to the customer's current production technical parameters to meet production needs.
2. Q: How to determine the quality of steam turbine?
R: You can do it through on-site field visits and provide relevant inspection and testing reports and other materials.
3. Q:How to install the steam turbine?
R: After the steam turbine arrive at your site, we will dispatch relevant technical personnel to your country for on-site installation and debugging.
4. Q: How to ensure after-sales service?
R: The company's technical staff solves difficult problems online and offline. If needed, our company can our company can dispatch relevant technical personnels to your country for on-site installation and maintenance.
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