Steam turbine primary steam extraction external connection industrial steam supply equipment

Abstract

The invention discloses steam turbine primary steam extraction external connection industrial steam supply equipment. The equipment comprises a steam turbine, a temperature and pressure reducer, an industrial steam extraction main pipe, a generator, a boiler high-temperature and high-pressure steam main pipe, a first high-pressure heater and a second high-pressure heater; the steam turbine communicates with the boiler high-temperature and high-pressure steam main pipe, and is connected with the first high-pressure heater and the second high-pressure heater; and the generator is connected with a rotor of the steam turbine. The equipment has the following beneficial effects: the steam turbine primary steam extraction external connection industrial steam supply equipment is simple in modification and convenient to control, uses primary steam extraction after acting of the steam turbine for replacing boiler high-temperature and high-pressure new steam to supply steam, reduces the fire coal cost of new steam production, realizes the gradient utilization of the steam, prevents the steam temperature and pressure fluctuation caused by sudden change of boiler loads and delayed adjustment of the temperature and pressure reducer, realizes stable supply of a steam source, provides safety guarantee for stable production of downstream heat users, can reduce the energy consumption, and improves the comprehensive economic benefit of enterprises.

Description

technical field [0001] The invention relates to the technical field of heat supply systems, in particular to the first-stage steam extraction of a steam turbine connected to an external supply of industrial steam equipment. Background technique [0002] In the existing tire processing, steam is an important energy supply, and in the process of using steam, in order to fully improve the utilization rate of energy, multi-level utilization is usually adopted, and steam utilization is usually divided into two types, one One is low-pressure steam, and the other is high-pressure steam. In order to meet its heat demand, the low-pressure steam is supplied by the third-stage steam extraction of the steam turbine. The steam, after being adjusted by the desuperheater, is supplied to the tire factory. The cost of new steam for the boiler is high, and it is not economical to directly supply it to the outside. At the same time, the pressure and temperature of the boiler steam are high. If...

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Problems solved by technology

[0002] In the existing tire processing, steam is an important energy supply, and in the process of using steam, in order to fully improve the utilization rate of energy, multi-level utilization is usually adopted, and steam utilization is usually divided into two types, one One is low-pressure steam, and the other is high-pressure steam. In order to meet its heat demand, the low-pressure steam is supplied by the third-stage steam extraction of the steam turbine. The steam, after being adjusted by the desuperheater, is supplied to the tire factory. The cost of new steam for the boiler is high, and it is not economical to directly supply it to the outside. At the same time, the pressure and temperature of the boiler steam are high. If the boiler load fluctuates greatly, the adjustment is not timely. It has a great impact on the normal production of the tire company. In view of this, this case arises after in-depth research on the above problems.

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