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Natural gas residual pressure cold energy utilization system

A natural gas and cold energy technology, applied in the field of natural gas residual pressure cold energy utilization system, can solve the problem of rarely using seawater desalination and achieve the effect of alleviating water supply pressure

Inactive Publication Date: 2019-08-23
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current residual pressure utilization of natural gas regulating stations is mainly used for power generation and ice production, and is rarely used for seawater desalination

Method used

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  • Natural gas residual pressure cold energy utilization system
  • Natural gas residual pressure cold energy utilization system
  • Natural gas residual pressure cold energy utilization system

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Embodiment Construction

[0035]The following will clearly and completely describe the technical solutions of the embodiments of the present application with reference to the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the embodiments of the present application.

[0036] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer " and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the descri...

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Abstract

The invention relates to the technical field of natural gas pressure regulation, in particular to a natural gas residual pressure cold energy utilization system. A first pressure regulating device anda first seawater desalting device are involved in the application, wherein the first pressure regulating device comprises a first pressure stabilizing valve, a first precooler, a temperature regulator, a second pressure stabilizing valve, a first expander, a first generator and a first heat exchanger; and the first seawater desalting device comprises a filter, a first crystallizer and a first icestorage device. According to the natural gas residual pressure cold energy utilization system, the residual pressure released in the natural gas pressure regulating process can be utilized for generating electricity, and the released cold energy can carry out seawater desalination.

Description

technical field [0001] The present application relates to the technical field of natural gas pressure regulation, in particular to a natural gas residual pressure cold energy utilization system. Background technique [0002] As a clean energy, natural gas has a huge demand in my country. Natural gas resources are mainly distributed in the western regions of my country, while the demand for natural gas in the eastern coastal regions is relatively large. Natural gas is transported on land mostly through high-pressure pipelines. The pressure of most high-pressure natural gas transmission pipelines in my country is in the range of 8Mpa to 12Mpa. Before entering the user pipe network with a gauge pressure of 2.5Kpa, high-pressure natural gas needs to be regulated by a pressure regulating station. During the process of pressure regulation, there are huge Energy level transformation. If the gas transmission pressure drops from 10Mpa to 2.5Mpa, the specific pressure of natural gas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01B23/10F01B21/00C02F9/10C02F103/08
CPCC02F1/001C02F1/22C02F2103/08F01B21/00F01B23/10F01K27/00
Inventor 张乾熙林艺恒贾明生李敏叶彪凌长明
Owner GUANGDONG OCEAN UNIVERSITY
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