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Technology and device for achieving power generation through natural gas pressure energy and achieving cold energy recycling

A cold energy recovery and natural gas technology, which is applied in household refrigeration devices, steam engine devices, applications, etc., can solve the problems of difficulty in utilizing the residual pressure of natural gas, scattered layout of pressure regulating stations, etc., and achieve the effect of convenient switching and reducing carbon emissions

Active Publication Date: 2016-07-06
XINDI ENERGY ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the multi-stage pressure regulation of natural gas, the distribution of pressure regulation stations is scattered, which brings difficulties to the utilization of natural gas residual pressure

Method used

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  • Technology and device for achieving power generation through natural gas pressure energy and achieving cold energy recycling
  • Technology and device for achieving power generation through natural gas pressure energy and achieving cold energy recycling
  • Technology and device for achieving power generation through natural gas pressure energy and achieving cold energy recycling

Examples

Experimental program
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Effect test

Embodiment 1

[0027] (A) if figure 1 and figure 2 As shown, the normal-temperature natural gas from the high-pressure pipeline network passes through the first heater E-1, where it is heated to 50°C, and then enters an expansion generator set X-1, which uses pressure energy to drive the expansion generator set to generate electricity, and the temperature drops to Natural gas at normal temperature passes through valve V-1, then enters the second heater E-2 without being heated, and enters the downstream medium-pressure pipeline network;

[0028] The first heater E-1 uses hot water or heat transfer oil as the heat medium, and the heat medium enters the first heater through the valve V-4, then exits the first heater, and exits the device through the valve V-5.

[0029] (B) if figure 1 and image 3 As shown, the normal-temperature natural gas from the high-pressure pipe network passes through the first heater E-1 without being heated, and then enters an expansion generator set X-1, and uses...

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Abstract

The invention relates to a technology and device for achieving power generation through natural gas pressure energy and achieving cold energy recycling. A large amount of pressure energy is released in the process that a high-pressure pipe network supplies natural gas to a downstream pipe network. According to the technology and device, the pressure energy of the high-pressure natural gas is utilized for power generation, cold energy generated in the pressure reducing process is recycled, the economic benefits of enterprises are improved, the contamination problem brought by power generation of a power plant is avoided while power generation is achieved, and the requirements of energy saving and environment friendliness are met.

Description

technical field [0001] The invention relates to a process and device for generating electricity and recovering cold energy by using natural gas pressure energy, in particular to a process and device for generating electricity and recovering cold energy by using an expansion generator set and an ice maker. Background technique [0002] The main function of the natural gas gate station is to decompress the high-pressure and sub-high pressure pipeline network gas to the pressure of the downstream pipeline network, odorize and send it to the urban medium-pressure gas pipeline network. The huge excess pressure and energy resources contained in the natural gas pipeline network can be widely used in power generation, pressure regulation and storage, refrigeration, LNG production and other purposes. However, due to the multi-stage pressure regulation of natural gas, the distribution of pressure regulation stations is scattered, which brings difficulties to the utilization of natural...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/02F17D3/01F01K25/08F25D3/10
CPCF01K25/08F17D1/02F17D3/01F25D3/10
Inventor 何振勇寇伟伟蔚龙韩金潮杨立雨曹强杨建龙晓雨李小川
Owner XINDI ENERGY ENG TECH
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