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Regional type natural gas distributed energy system with multiple energy storage modes and operation mode

A distributed energy and natural gas technology, which is applied in the field of natural gas distributed energy systems, can solve problems such as oversized electric refrigerators, low-load operation of system hosts and auxiliary machines, and a large number of electric refrigerators, so as to improve operating efficiency, Effect of reducing shock and improving operating economy

Pending Publication Date: 2019-03-29
CHINA HUADIAN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle of installed capacity allocation of natural gas distributed energy systems is generally "to determine power by cooling and heating, under-matching", and the installed capacity of equipment is selected according to the maximum load of the year. Many, long-term low-load operation of the main engine and auxiliary equipment of the system

Method used

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  • Regional type natural gas distributed energy system with multiple energy storage modes and operation mode

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Effect test

Embodiment 1

[0023] Embodiment 1 of the present invention: as figure 1 As shown, the regional natural gas distributed energy system with multi-energy storage mode includes fuel compressor 1, air compressor 2, combustion chamber 3, gas turbine 4, power storage system 6, power user 8, feed water pump 9, waste heat boiler 10, Steam refrigerator 11, cold / heat storage tank 12, cold / warm user 13, cooling water pump 17 and electric refrigerator 18, the fuel compressor 1, combustion chamber 3, gas turbine 4, and power storage system 6 are sequentially passed through pipelines The air compressor 2 is also connected to the combustion chamber 3 through a pipeline, and the gas turbine 4 is also connected to an electric user 8 through a pipeline. The gas turbine 4, the waste heat boiler 10, the steam refrigerator 11, and the cooling / warming user 13 are connected sequentially through pipelines, the feed water pump 9 is also connected with the waste heat boiler 10 through pipelines, and one end of the co...

Embodiment 2

[0025] Embodiment 2: as figure 1 As shown, the regional natural gas distributed energy system with multi-energy storage mode includes fuel compressor 1, air compressor 2, combustion chamber 3, gas turbine 4, power storage system 6, power user 8, feed water pump 9, waste heat boiler 10, Steam refrigerator 11, cold / heat storage tank 12, cold / warm user 13, cooling water pump 17 and electric refrigerator 18, the fuel compressor 1, combustion chamber 3, gas turbine 4, and power storage system 6 are sequentially passed through pipelines The air compressor 2 is also connected to the combustion chamber 3 through a pipeline, and the gas turbine 4 is also connected to an electric user 8 through a pipeline. The gas turbine 4, the waste heat boiler 10, the steam refrigerator 11, and the cooling / warming user 13 are connected sequentially through pipelines, the feed water pump 9 is also connected with the waste heat boiler 10 through pipelines, and one end of the cold / heat storage tank 12 ...

Embodiment 3

[0026] Embodiment 3: as figure 1 As shown, the regional natural gas distributed energy system with multi-energy storage mode includes fuel compressor 1, air compressor 2, combustion chamber 3, gas turbine 4, power storage system 6, power user 8, feed water pump 9, waste heat boiler 10, Steam refrigerator 11, cold / heat storage tank 12, cold / warm user 13, cooling water pump 17 and electric refrigerator 18, the fuel compressor 1, combustion chamber 3, gas turbine 4, and power storage system 6 are sequentially passed through pipelines The air compressor 2 is also connected to the combustion chamber 3 through a pipeline, and the gas turbine 4 is also connected to an electric user 8 through a pipeline. The gas turbine 4, the waste heat boiler 10, the steam refrigerator 11, and the cooling / warming user 13 are connected sequentially through pipelines, the feed water pump 9 is also connected with the waste heat boiler 10 through pipelines, and one end of the cold / heat storage tank 12 ...

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Abstract

The invention relates to a natural gas distributed energy system, in particular to a regional type natural gas distributed energy system with multiple energy storage modes and an operation mode. The regional type natural gas distributed energy system comprises a gas turbine (4), a solar power generation system (5), an electricity storage system (6), a steam turbine (7) and an electric user (8), wherein the gas turbine (4) is connected with the electricity storage system (6) through cables, the gas turbine (4) is further connected with the electric user (8) through cables, the solar power generation system (5), the electricity storage system (6) and the electric user (8) are sequentially connected through cables, the steam turbine (7) is connected with the electricity storage system (6) through cables, and the steam turbine (7) is further connected with the electric user (8) through cables. According to the regional type natural gas distributed energy system, the electricity storage system, a cold / heat storage tank and other equipment are configured, the operation efficiency of the system can be improved, and the configuration capacity of the electric refrigerating machine unit canbe reduced.

Description

technical field [0001] The invention relates to a natural gas distributed energy system, in particular to a regional natural gas distributed energy system with multiple energy storage modes and its operation mode. Background technique [0002] For industrial parks and manufacturing industrial parks suitable for distributed energy, most of them currently build regional natural gas distributed energy systems. The regional natural gas distributed energy system uses the gas-steam combined cycle system as the power generation system, and then utilizes the waste heat of the flue gas in cascades through the waste heat boiler and the steam lithium bromide absorption refrigerator, and at the same time assists in the use of peak-shaving standby equipment such as electric refrigerators and gas boilers. Gas-fired boilers are generally used as backup equipment when the main engine unit or electric refrigerator fails. The principle of installed capacity allocation of natural gas distribu...

Claims

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Application Information

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IPC IPC(8): F02C6/00F02C6/18F01D15/10F01K11/02F01K23/10F24D15/02F24F5/00F25B15/06F25B29/00H02S10/10
CPCF01D15/10F01K11/02F01K23/10F02C6/00F02C6/18F24D15/02F24F5/0017F25B15/06F25B29/00H02S10/10Y02B30/625Y02E10/50Y02E60/14
Inventor 胡永锋江婷李建标徐静静张爱平邓亚男张瑞寒朱文堃刘广宇王宇帆宋洪涛
Owner CHINA HUADIAN ENG
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