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An Actively Regulated Gas Turbine Distributed Combined Cooling, Heating and Power Supply System

A combined cooling, heating and power supply and gas turbine technology, which is applied in the direction of gas turbine devices, machines/engines, mechanical equipment, etc., can solve the problem of affecting the energy-saving characteristics of distributed cooling, heating and power systems, hindering the promotion and application of distributed cooling, heating and power technology, and affecting the system Waste heat utilization equipment and other issues to achieve the effect of improving comprehensive energy utilization, strengthening energy cascade utilization, and improving energy utilization

Active Publication Date: 2016-06-08
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the output load of the system decreases, the gas turbine operates at reduced load, and the efficiency decreases, which in turn affects the waste heat utilization equipment in the system, and the system performance will also decrease
At present, there is no effective solution to this problem, which not only affects the energy-saving characteristics of the distributed cooling, heating and power system, but also hinders the popularization and application of distributed cooling, heating and power technology.

Method used

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  • An Actively Regulated Gas Turbine Distributed Combined Cooling, Heating and Power Supply System
  • An Actively Regulated Gas Turbine Distributed Combined Cooling, Heating and Power Supply System
  • An Actively Regulated Gas Turbine Distributed Combined Cooling, Heating and Power Supply System

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Effect test

Embodiment 1

[0048] Such as image 3 As shown, image 3 It is a structural diagram of an active control gas turbine distributed cooling, heating and power cogeneration system according to the first embodiment of the present invention. The system includes an air flue gas mixer 1, a compressor 2, a combustion chamber 3, a turbine 4, and a generator 5. Lithium bromide absorption unit 6, flue gas hot water heat exchanger 7, chimney 8, valves V1 ~ V3, three links V01 ~ V03.

[0049] In this embodiment, the waste heat driving subsystem adopts the first type lithium bromide absorption heat pump unit. This embodiment is a schematic diagram of the system operation of the active control gas turbine distributed combined cooling, heating and power system under heating conditions in winter. The lithium bromide unit operates in the heating mode to produce the heating load of the user, and the flue gas hot water heat exchanger produces domestic hot water. When the user's heating load needs to be reduced, t...

Embodiment 2

[0052] Such as Figure 4 As shown, Figure 4 It is a structural schematic diagram of an active control gas turbine distributed cooling, heating and power cogeneration system according to the second embodiment of the present invention. The system includes an air flue gas mixer 1, a compressor 2, a combustion chamber 3, a turbine 4, and a generator 5. Lithium bromide absorption unit 6, flue gas hot water heat exchanger 7, chimney 8, valves V1 ~ V3, three links V01 ~ V03.

[0053] In this embodiment, the waste heat driving subsystem adopts a double-effect lithium bromide absorption refrigeration unit. This embodiment is a schematic diagram of the system operation of the active control gas turbine distributed cooling, heating and power cogeneration system under summer cooling conditions. Lithium bromide cold and hot water units operate in refrigeration mode to produce the cooling load required by users, and the flue gas hot water heat exchanger produces domestic hot water. When the ...

Embodiment 3

[0056] Such as Figure 5 As shown, Figure 5 It is a schematic structural diagram of an active control gas turbine distributed cooling, heating and power cogeneration system according to the third embodiment of the present invention. The system includes an air flue gas mixer 1, a compressor 2, a combustion chamber 3, a turbine 4, and a generator 5. Steam power Rankine cycle 6, flue gas hot water heat exchanger 7, chimney 8, valves V1 ~ V3, three links V01 ~ V03.

[0057] In this embodiment, the waste heat driving subsystem adopts a Rankine cycle power system using water as a working substance. This embodiment is a schematic diagram of system operation under an active control gas turbine combined cycle working condition. In the steam power subsystem 6, the waste heat boiler recovers and utilizes the heat of the flue gas to produce superheated steam, and a steam turbine performs external work to drive a generator to generate electricity. The flue gas hot water heat exchanger pro...

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Abstract

The invention discloses a distribution type combined cooling, heating and power supply system for an active regulation-control type combustion gas turbine. The system comprises a smoke-air mixer, a combustion gas turbine, a waste-heat driving subsystem, a smoke-hot water heat exchanger and a chimney, wherein the combustion gas turbine comprises a gas compressor, a combustion chamber and a turbine which are sequentially connected with one another, an electric generator is further connected to an outlet of the turbine in the combustion gas turbine, and the turbine, the waste-heat driving subsystem and the smoke-hot water heat exchanger are simultaneously connected to the smoke-air mixer. By utilizing the distribution type combined cooling, heating and power supply system, the energy utilization efficiencies and relative energy-saving efficiencies of the distribution type combined cooling, heating and power system of the combustion gas turbine as well as other energy power systems taking gas turbines as cores under partial loads are increased.

Description

Technical field [0001] The invention relates to the field of energy technology, and in particular to an active control type gas turbine distributed combined cooling, heating and power system with a gas turbine as the power core. Background technique [0002] Distributed energy technology is a new type of energy system that emerges under many requirements for energy system efficiency, environmental protection, and sustainable development. It has received extensive attention at home and abroad. The distributed energy system is close to the user side and can directly meet the user's energy load demand, avoid the transmission line loss of the traditional production system, and improve the reliability and energy efficiency of the energy supply system. Another feature of the distributed energy system is that it can be reasonably coupled with the local environment according to the local energy resources; for example, in areas with rich solar resources, a distributed energy system with c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C6/18F02C6/00F02C7/057F02C7/08
CPCY02E20/14
Inventor 韩巍金红光林汝谋陈强
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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