Power generation device dragged by steam turbine

By designing a steam turbine drag power generation device including a steam boiler, a steam turbine, an asynchronous motor and a regulation system, the problems of insufficient steam utilization and abnormal boiler steam operation in the prior art are solved, and efficient power generation and steam energy utilization are achieved.

CN119641448APending Publication Date: 2025-03-18QINGDAO SHUNAN THERMAL POWER CO LTD
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Patent Information

Application Number
CN202510103889.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

The existing steam turbine power generation devices cannot realize the cascade utilization of steam energy, and are limited by the equipment's electricity consumption limit and voltage, resulting in abnormal steam operation of the boiler.

Method used

A steam turbine dragging power generation device is designed, including a steam boiler, a steam turbine, an asynchronous motor, a dragged machinery and an adjustment system. The speed and power of the turbine are controlled by the adjustment system, and an asynchronous motor is used to operate at the critical points of power generation and power reception, so as to achieve the cascade utilization of steam energy.

Benefits of technology

The cascade utilization of steam energy is realized, the power generation efficiency is improved, the turbine load is stabilized, "speed" accidents are avoided, and the fan is operated normally.

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Abstract

The invention relates to the technical field of steam turbine power generation, and discloses a steam turbine driven power generation device which comprises a steam boiler, a steam turbine, an asynchronous motor, a driven machine and an adjusting system. Steam output by the steam boiler is divided into two paths, one path enters the steam turbine to do work to drive the asynchronous motor and the fan to generate electricity and supply gas, and the steam after working enters the heat exchanger; and the other path enters the heat exchanger after passing through the temperature and pressure reducer. The asynchronous motor is connected with the turbine and the fan through the speed reducer, the overrun clutch and the coupler, and conversion between power generation and power receiving is achieved. A steam turbine rotor is a sleeved type flexible rotor, an impeller is of a rigid conical impeller structure, a partition plate body is made of alloy steel, and partition plate steam blades are in a shroud ring welding mode. The load of the asynchronous motor is changed through the adjusting system, gradient utilization of steam energy is achieved, and economic benefits of enterprises are improved.
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