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Protection device for steam turbine unit

A technology of protection device and steam turbine unit, which is applied in the field of steam turbine, can solve the problem of low safety of steam turbine unit, and achieve the effect of solving the problem of low safety

Active Publication Date: 2019-01-11
LINGAO NUCLEAR POWER +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present application provides a protection device for a steam turbine unit to solve the problem of low safety of the steam turbine unit in the prior art

Method used

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  • Protection device for steam turbine unit
  • Protection device for steam turbine unit
  • Protection device for steam turbine unit

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Embodiment Construction

[0047] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0048] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.

[0049] It shou...

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Abstract

The application provides a protection device for a steam turbine unit. The protection device is applicable to the technical field of steam turbines and comprises a logic processing module and a presetnumber of first relays. The logic processing module comprises an output end and a preset number of input ends. The input end of each first relay is an input end of the protection device and is suitable for being connected with a processor of first equipment in the steam turbine unit, wherein the first equipment is the equipment, connected with a steam turbine, in the steam turbine unit. The output ends of all the first relays are connected with the input ends of the logic processing module in a one-to-one correspondence mode. The output end of the logic processing module is the output end ofthe protection device and is suitable for being connected with a processor of the steam turbine in the steam turbine unit. Through the protection device, the problem of low safety of a steam turbine unit in the prior art is effectively solved.

Description

technical field [0001] The present application relates to the technical field of steam turbines, in particular to a protection device for a steam turbine unit. Background technique [0002] The steam turbine is a rotary steam power device. The high-temperature and high-pressure steam passes through the fixed nozzle to become an accelerated air flow and is sprayed onto the blades, so that the rotor equipped with blade rows rotates and works externally. Steam turbine is the main equipment of modern thermal power plants, and is also commonly used in metallurgical industry, chemical industry, and ship power plant. [0003] In practical applications, there is energy exchange between the steam turbine and other important equipment (such as reactor protection system, feed water pump system, steam-water separation reheater system, etc.) in the steam turbine unit. When other major equipment in the steam turbine unit fails, the steam turbine still continues to run, resulting in furth...

Claims

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Application Information

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IPC IPC(8): F01D21/00
CPCF01D21/00F05D2270/52
Inventor 崔毓鸣王博夏红卫陈湃
Owner LINGAO NUCLEAR POWER
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