Extraction steam Rankine-organic Rankine combined circulating power generation device

A technology of combined cycle power generation and Rankine cycle, which is applied in the direction of steam engine device, combined combustion mitigation, machine/engine, etc., to achieve the effects of load reduction, vibration improvement and easy handling

Active Publication Date: 2013-06-12
NANJING RECLAIMER ENVIRONMENTAL TEKNIK
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Problems solved by technology

[0009] The purpose of the present invention is to solve the problems of the above-mentioned steam Rankine cycle, and the shortcomings of the ORC technology cycle technology, and propose a new composite cycle flow process for thermal power plants, that is, steam extraction type steam Rankine-organic Rankine combined cycle power generation device , can carry out energy-saving transformation of the existing steam Rankine cycle, and a

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  • Extraction steam Rankine-organic Rankine combined circulating power generation device

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Example Embodiment

[0039] Example 1:

[0040] like figure 1 As shown, a steam extraction type steam Rankine-organic Rankine combined cycle power generation device, the device includes a steam Rankine cycle, an organic Rankine cycle system, specific examples are as follows:

[0041] The steam Rankine cycle refers to the saturated steam 2 coming out of the boiler body 1, passing through the heater 3 to form superheated steam 3-1, and sending it into the steam turbine 4 to drive the steam generator 21 to generate electricity; the condenser 5 coming out of the steam turbine 4 The condensed water 6 is formed, and the condensed water 6 is sent to the boiler body 1 through the condensed water pump 6-1, the deaerator 7-1, the feed water pump 7, and the feed water heater 8, and then saturated steam is generated to form a steam Rankine cycle.

[0042] The organic Rankine cycle refers to that the liquid organic working medium 11 is sent to the condensing evaporator 10, the cooling evaporator 12, and th...

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Abstract

The invention relates to an extraction steam Rankine-organic Rankine combined circulating power generation device; the latent heat of vaporization of the circulating steam extraction of steam Rankine is recovered for the circulating power generation of organic Rankine by cooling the steam extraction of a steam turbine in the steam Rankine with an organic working medium in the circulation of organic Rankine, so as to composite the circulation of steam Rankine with that of the organic Rankine; and meanwhile, the safety difficult problem of the flue gas afterheat recovery of the circulation of organic Rankine is solved, the smoke exhaust temperature is effectively reduced, the low-temperature corrosion of flue gas is prevented, and the afterheat potential of a steam Rankine circulating system is effectively recovered and utilized. The extraction steam Rankine-organic Rankine combined circulating power generation device not only can be used for the energy-saving reform of an existing unit, but also can be used for the design and manufacturing of new units, and has significant economic, social and environmental protection benefits.

Description

technical field [0001] The invention relates to a steam extraction type steam Rankine-organic Rankine combined cycle power generation device, specifically belonging to the technical field of thermal power plant power devices. Background technique [0002] A thermal power plant that uses water vapor as a working medium is a large-scale factory that converts thermal energy into mechanical energy, and then converts mechanical energy into electrical energy. The cycle applied in power plants is very complicated, but in essence, it is mainly completed by the Rankine cycle composed of boilers, steam turbines, condensers, water pumps and other equipment. The working principle is: the feed water is first pressurized by the feed water pump and then sent Into the boiler, the water in the boiler is heated and vaporized to form high-temperature and high-pressure superheated steam. The superheated steam expands and does work in the steam turbine and becomes low-temperature and low-pressur...

Claims

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Application Information

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IPC IPC(8): F01K23/02F01K25/00F01K11/02
CPCY02E20/16
Inventor 王海波
Owner NANJING RECLAIMER ENVIRONMENTAL TEKNIK
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