Steam turbine supercharger

A technology of steam turbine and turbocharger, which is applied in the direction of steam application, steam engine device, machine/engine, etc., which can solve the problems of energy waste, unused steam heat energy, low energy saving efficiency, etc., to increase the heating load, solve the Coupling power and heating load to achieve the effect of utilization

Pending Publication Date: 2019-10-08
长兴永能动力科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The throttling process of the direct desuperheating and decompression device produces a large exergy loss, and the heat energy of the steam is not utilized in steps, resulting in serious energy waste; the steam injection pressure matcher improves the g

Method used

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  • Steam turbine supercharger
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Embodiment Construction

[0019] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0020] see figure 1 , figure 2 with image 3 Shown is a steam turbocharger, which includes a turbine wheel 1 and a compressor wheel 2 arranged oppositely. The radial side of the turbine wheel 1 is connected to the turbine inlet 11 through a turbine flow regulating nozzle 12, and the axial side of the turbine wheel 1 A turbine outlet 13 is opened; the turbine wheel 1 and the compressor wheel 2 are fixed to the base 4 by a vertically arranged supercharger support; the compressor wheel 2 is sheathed with a supercharger casing 5, and the compressor wheel 2 is radially one ...

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Abstract

The invention relates to a steam turbine supercharger. The steam turbine supercharger comprises a turbine impeller and a compressor impeller which are arranged oppositely. One side of the radial direction of the turbine impeller communicates with a turbine inlet through a turbine flow regulation nozzle. One side of the axial direction of the turbine impeller is provided with a turbine outlet. Theturbine impeller and the compressor impeller are supported through a supercharger arranged vertically and fixed through a machine base. The outer side of the compressor impeller is sleeved with a supercharger case. One side of the radial direction of the compressor impeller communicates with a compressor exhaust volute outlet through a diffuser. One side of the axial direction of the compressor impeller is further provided with a compressor inlet. Through the steam turbine supercharger, the single-set maximum heating load of a steam turbine set is increased. The steam turbine supercharger hasthe good variable working condition regulating characteristics. Compared with a steam jet pressure matcher, the steam turbine supercharger has the advantages that the energy-saving efficiency is doubled, and equivalently, the steam extraction ratio is increased at least by nearly one time; that is, under the same working condition, low-pressure steam can be extracted twice under the condition of the same quantity of high-pressure steam.

Description

Technical field [0001] The invention relates to the technical field of superchargers, in particular to a steam turbocharger. Background technique [0002] In the thermal power industry, in the process of developing cogeneration and promoting the heat supply transformation of pure condensing steam turbine units, the steam parameters that the units can provide do not match the steam parameters required by heat users. At present, the most common technical solution is to extract high-energy steam through measures such as temperature reduction and pressure reduction to match the external steam supply; the slightly better technical solution is to use high-pressure driving steam to spray through the nozzle, and suction low-pressure steam to meet the parameters of external steam supply Claim. The throttling process of the direct temperature reduction and pressure reduction device has produced a large exergy loss, and the steam heat energy is not used in cascades, and energy waste is se...

Claims

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Application Information

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IPC IPC(8): F01D15/08F01K17/02
CPCF01D15/08F01K17/025
Inventor 房爱兵王永生刘乐李明震林峰
Owner 长兴永能动力科技股份有限公司
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