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Natural gas heat and cold electric energy supply device based on fused salt heat storage

A natural gas, cooling and heating technology, applied in the direction of exhaust devices, heat storage equipment, noise reduction devices, etc., to achieve the effects of improving stability, simple structure, and improving energy utilization efficiency

Active Publication Date: 2013-10-16
HUADIAN ELECTRIC POWER SCI INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] To sum up, there is currently no natural gas cooling, heating and power supply device with simple structure and reasonable design, which can further improve the comprehensive utilization efficiency of energy and the stability of energy supply.

Method used

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  • Natural gas heat and cold electric energy supply device based on fused salt heat storage
  • Natural gas heat and cold electric energy supply device based on fused salt heat storage
  • Natural gas heat and cold electric energy supply device based on fused salt heat storage

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Experimental program
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Effect test

Embodiment 1

[0023] see Figure 1 to Figure 3 , the natural gas cooling and heating power supply device based on molten salt heat storage in this embodiment includes a gas generator 1, waste heat utilization equipment 3, molten salt phase change heat storage equipment 5, a gas-gas heat exchanger 7, a fan 8 and The water-water heat exchanger 6, wherein the waste heat utilization equipment 3 is a flue gas hot water lithium bromide absorption chiller, the gas generator 1 is a gas internal combustion engine, and the fan 8 is a frequency conversion fan.

[0024] The gas generator 1 in this embodiment is connected to the waste heat utilization equipment 3 through pipelines, the waste heat utilization equipment 3 is connected to the gas-gas heat exchanger 7 through pipelines, the fan 8 is connected to the gas-gas heat exchanger 7 through pipelines, and the molten salt phase changes The heat storage device 5 is connected to the gas generator 1, the waste heat utilization device 3 and the gas-gas h...

Embodiment 2

[0029] see Figure 2 to Figure 4 , the natural gas cooling and heating power supply device based on molten salt heat storage in this embodiment includes a gas generator 1, waste heat utilization equipment 3, molten salt phase change heat storage equipment 5, a gas-gas heat exchanger 7 and a fan 8, Among them, the gas generator 1 is a gas turbine, the waste heat utilization equipment 3 is a flue gas lithium bromide absorption chiller, and the fan 8 is a variable frequency fan.

[0030] The molten salt phase-change thermal storage device 5 in this embodiment includes a housing 13, an insulating layer 12, a thermal storage medium 11 and a resistance wire 14. The thermal insulation layer 12 and the thermal storage medium 11 are all installed in the housing 13, and the thermal insulation layer 12 Installed on the inner wall of the housing 13 , the heat storage medium 11 and the insulation layer 12 are arranged sequentially from the inside to the outside, and the resistance wire 14 ...

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Abstract

The invention relates to a natural gas heat and cold electric energy supply device based on fused salt heat storage. At present, no natural gas heat and cold electric energy supply device which is simple in structure and reasonable in design and can further improve the comprehensive utilization of energy and the energy supply stability exists. The natural gas heat and cold electric energy supply device comprises a fuel gas electric generator, a waste-heat utilization device, a gas-gas heat exchanger and a fan, wherein the fuel gas electric generator is connected with the waste-heat utilization device through a pipeline; the waste-heat utilization device is connected with the gas-gas heat exchanger through a pipeline; and the fan is connected with the gas-gas heat exchanger through a pipeline. The device is characterized by further comprising a fused salt phase change heat storage device, and the fused salt phase change heat storage device is connected to the fuel gas electric generator, the waste-heat utilization device and the gas-gas heat exchanger through pipelines respectively. The natural gas heat and cold electric energy supply device is reasonable in structural design and can further improve the comprehensive utilization rate of the energy and the energy supply stability.

Description

technical field [0001] The invention relates to a natural gas cooling and heating power supply device, in particular to a natural gas cooling and heating power supply device based on molten salt heat storage, which can directly supply cooling, heating and power supply to user buildings, and has high energy utilization efficiency and the ability to store energy. Background technique [0002] Due to its own defects, the traditional large grid power supply method can no longer meet the needs of today's society for the quality, safety and reliability of energy and power. In large-scale interconnected power systems, local accidents are easy to spread, and centralized large power grids cannot flexibly track changes in power loads. As a new type of energy system, distributed energy has been widely valued worldwide due to its advantages of safety, economy, reliability, high energy utilization rate, and environmental friendliness. [0003] At present, distributed energy systems are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N5/02F02G5/00F25B15/06F28D20/02
CPCY02B30/625Y02T10/166Y02E60/145Y02T10/16Y02E20/14Y02E60/14Y02T10/12
Inventor 马洪涛俞铁铭丁小川刘丽丽童航郑梦超
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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