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Ultrahigh-pressure industrial heat supply thermodynamic system

A thermal system and ultra-high pressure technology, applied in heating systems, steam central heating systems, household heating, etc., can solve problems such as poor economy, inability to meet the project's electrical load demand, and high environmental protection pressure to meet the electrical load and heat load demand, improve energy utilization efficiency, and achieve the effect of utilization

Inactive Publication Date: 2021-08-06
DONGFANG TURBINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For industrial steam with ultra-high pressure parameters, the current combined heat and power units cannot meet the heating demand. At present, industrial heating with ultra-high pressure parameters generally uses small boilers for direct heating, which is economical and environmentally friendly. Meet the project's electricity load demand

Method used

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Experimental program
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Effect test

Embodiment 1

[0029] According to the design of the back-pressure unit mode, an ultra-high pressure industrial heating system includes a boiler 3, a high-pressure cylinder 1, a medium-pressure cylinder 2, a generator 4, and a medium-pressure steam inlet regulating valve 11; the high-pressure cylinder 1, medium Pressure cylinder 2 sub-cylinder pressure is designed as an ultra-high pressure parameter according to the industrial heating pressure; the medium pressure steam inlet regulating valve 11 is installed at the inlet of medium pressure cylinder 2, and the heating pressure is adjusted within a certain load range; An ultra-high pressure parameter heating pipe 13 is arranged between the boiler 3 and the medium-pressure steam inlet regulating valve 11 to realize external heat supply.

[0030] The outlet of the medium-pressure cylinder 2 is connected to the heat-supply pipe 14 for the exhaust of the medium-pressure cylinder.

[0031] The present invention optimizes the flow through the high-p...

Embodiment 2

[0044] Such as figure 2 As shown, according to the model design of the condensing unit, an ultra-high pressure industrial heating system includes a boiler 3, a high-pressure cylinder 1 and a medium-pressure cylinder 2 respectively connected to the boiler 3, a generator 4, and a low-pressure cylinder 15; A medium-pressure steam inlet regulating valve 11 is installed at the entrance of the pressure cylinder 2; an ultra-high pressure parameter heating pipeline 13 is arranged between the boiler 3 and the medium-pressure steam inlet regulating valve 11. The steam turbine set described here is a condensing steam turbine set.

[0045] The present invention optimizes the flow through the high-pressure cylinder 1 and the medium-pressure cylinder 2, improves the ultra-high pressure parameter of the reheat pressure of the steam turbine unit, meets the requirements of the industrial heat load parameter for the ultra-high pressure parameter, and adjusts the medium-pressure steam inlet reg...

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Abstract

The invention relates to the technical field of cogeneration equipment, and particularly discloses an ultrahigh-pressure industrial heat supply thermodynamic system. The ultrahigh-pressure industrial heat supply thermodynamic system comprises a boiler, a high-pressure cylinder, a medium-pressure cylinder, a generator and a medium-pressure steam inlet adjusting valve; the pressure of the high-pressure cylinder and the pressure of the medium-pressure cylinder are designed to be ultrahigh pressure parameters according to the industrial heat supply pressure; the medium-pressure steam inlet adjusting valve is installed at an inlet of the medium-pressure cylinder and used for adjusting heat supply pressure within a certain load range; and an ultrahigh-pressure parameter heat supply pipeline is arranged between the boiler and the medium-pressure steam inlet adjusting valve to supply heat to the outside. According to the system, ultrahigh-pressure parameter industrial heat supply is effectively achieved, the ultrahigh-pressure parameter industrial steam demand is met, and the energy utilization rate is increased; and according to different thermal load and electrical load requirements, a steam turbine unit can be designed according to an extraction condensing unit or a back pressure unit.

Description

technical field [0001] The invention relates to the technical field of heat and power cogeneration equipment, in particular to an ultra-high voltage industrial heating system. Background technique [0002] Combined heat and power central heating has the advantages of high energy comprehensive utilization efficiency, energy saving and environmental protection, and is one of the main heat sources and heat supply methods for central heating in cities and industrial parks. Management Measures > Notice (Fagai Energy [2016] No. 617), industrial parks with industrial heat load as the main focus should plan and construct heat-using industrial projects as much as possible, and realize centralized heating by planning and constructing public heat and power cogeneration projects . [0003] For petrochemical, coal chemical and other projects, the demand for electric load and industrial heat load is large, and requires high stability. Different industrial heat load uses have differen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D1/00F22D1/50F22D11/02F01K11/02F01K17/02
CPCF01K11/02F01K17/02F22D1/50F22D11/02F24D1/00Y02E20/14
Inventor 宋放放范小平陈利唐丽丽谢林贵张文祥赖强刘兴超雷晓龙马洪林刘晓燕
Owner DONGFANG TURBINE CO LTD
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