Gas-steam combined cycle heat-power cogeneration unit

A combined heat and power unit and combined cycle technology, applied in steam engine installations, combined combustion mitigation, mechanical equipment, etc., can solve problems such as inability to meet production and operation applicability, inconvenience in operation and maintenance, and unfavorable plant expansion. Easy operation and maintenance, small footprint

Inactive Publication Date: 2014-05-14
HUANENG POWER INT INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a gas-steam combined cycle heat and power cogeneration unit, which solves the problem of inconvenient operation and maintenance in the traditional layout mode, and needs separate driving when overhauling, which cannot meet the applicability of production and operation. At the same time, the occupied area Big, not conducive to the expansion of the plant

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  • Gas-steam combined cycle heat-power cogeneration unit
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  • Gas-steam combined cycle heat-power cogeneration unit

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Embodiment Construction

[0018] The single-shaft arrangement of the traditional gas-steam combined cycle generator set is usually a gas turbine and a steam turbine connected in series in one shaft system. The gas turbine and the steam turbine in this arrangement are generally driven by a single generator, and this arrangement is only It is suitable for the matching of a single gas turbine, a single steam turbine, and a single waste heat boiler; the multi-shaft configuration is that the gas turbine and the steam turbine are equipped with generators respectively, and the gas turbine and the steam turbine can form their own shaft systems. The gas-steam combined cycle system is adopted in this arrangement , either a steam turbine, a gas turbine and a waste heat boiler can be matched, or multiple gas turbines and a corresponding number of waste heat boilers can be matched with a steam turbine.

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely describ...

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Abstract

Embodiments of the invention disclose a gas-steam combined cycle heat-power cogeneration unit comprising a first gas turbine, a second gas turbine, a first waste heat boiler, a second waste heat boiler, and a steam turbine. The first and second gas turbines are axially arranged in parallel. The first waste heat boiler is connected with the first gas turbine. The second waste heat boiler is connected with the second gas turbine. The steam turbine is perpendicular to the axial directions of the first and second gas turbines, disposed between the first and second gas turbines, and connected with the first and second waste heat boilers through a thermal system pipeline. The first gas turbine, the second gas turbine and the steam turbine are all arranged on a same operating platform. The gas turbines and the steam turbine are arranged on the same operating platform, so that system operation and maintenance is facilitated, applicability to production and operation is fully satisfied, workshops are cut through, a crane is shared and expansion of the workshops is facilitated.

Description

technical field [0001] The invention relates to the field of thermoelectricity, in particular to a gas-steam combined cycle heat and power cogeneration unit. Background technique [0002] With the development of my country's economic construction, in the field of thermal power, gas-steam combined cycle heat and power cogeneration units are gradually replacing coal-fired power supply units due to their high power supply efficiency, fast operation start and stop, short construction period, less land occupation, and environmental protection. Thermal units are widely used. [0003] Generally, gas-steam combined cycle units are divided into single-shaft configuration and multi-shaft configuration according to whether the gas turbine and steam turbine are connected in series in the same shaft system when arranged. One-to-one" single-axis configuration, "one-to-one" multi-axis configuration and "two-to-one" multi-axis configuration. For conventional multi-shaft gas-steam combined ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K23/10
CPCY02E20/16
Inventor 秦建明赵文博侯志宇赵维麒白秀森
Owner HUANENG POWER INT INC
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