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L-CNG (Liquid-Compressed Natural Gas) skid-mounted device without energy consumption

A technology of L-CNG without energy consumption, applied in the method of container discharge, equipment discharged from pressure vessels, pressure vessels, etc., can solve the problem of high energy consumption, and achieve the effect of saving energy and reducing production costs

Active Publication Date: 2012-08-29
厚普清洁能源股份(集团)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the disadvantage of high energy consumption of the existing traditional L-CNG device, and provide a non-energy-consuming L-CNG device through improvement, without using a low-temperature high-pressure pump, greatly reducing energy consumption

Method used

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  • L-CNG (Liquid-Compressed Natural Gas) skid-mounted device without energy consumption
  • L-CNG (Liquid-Compressed Natural Gas) skid-mounted device without energy consumption

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Embodiment Construction

[0025] The present invention is described in detail below in conjunction with accompanying drawing:

[0026] The invention provides a non-energy-consuming L-CNG skid-mounted device, such as figure 1 Shown: There is a low temperature insulation storage tank V001101: It adopts a double-layer insulation structure and is used to store LNG on the gas station. There are low-temperature and high-pressure spherical storage tanks V002 102 and low-temperature and high-pressure spherical storage tanks V003 103: used for temporary storage of LNG. There are LNG high-pressure booster V004 104 and LNG high-pressure booster V005 105: used to absorb heat from the air and transfer the heat to the internal LNG, so that the LNG is heated and gasified. After gasification, the high-pressure spherical storage tank will Pressure rises. Equipped with LNG high-pressure air-temperature vaporizer V006 106: it is used to absorb heat from the air, transfer the heat to the internal LNG, let the LNG be hea...

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Abstract

The invention discloses an L-CNG (Liquid-Compressed Natural Gas) skid-mounted device without energy consumption. The L-CNG skid-mounted device is characterized in that: a low-temperature heat-insulation storage tank V001 is communicated with a low-temperature high-pressure spherical storage tank V002 and a low-temperature high-pressure spherical storage tank V003 through pipelines; an LNG (LiquidNatural Gas) high-pressure booster V004 is correspondingly arranged on the low-temperature high-pressure spherical storage tank V002; an LNG high-pressure booster V005 is correspondingly arranged on the low-temperature high-pressure spherical storage tank V003; output ends of the low-temperature high-pressure spherical storage tank V002 and the low-temperature high-pressure spherical storage tankV003 are connected with an LNG high-pressure air temperature type gasifying device V006 through pipelines; and the LNG high-pressure air temperature type gasifying device V006 is respectively connected with a CNG (Compressed Natural Gas) low-pressure gas storage bottle group or a gas storage well V007, a CNG middle-pressure gas storage bottle group or a gas storage well V008, and a CNG high-pressure gas storage bottle group or a gas storage well V009. The L-CNG skid-mounted device can convert the liquid natural gas into the compressed natural gas without using a high-voltage pump. The production cost is greatly reduced for an owner of a gas station, so as to save energy sources for a country.

Description

technical field [0001] The invention relates to a process device, in particular to a process device for converting liquefied natural gas (LNG) into compressed natural gas (CNG) without using a high-pressure pump. Background technique [0002] With the wide application and rapid development of LNG technology in China, the technology and application of L-CNG filling stations are also developing rapidly, and the market demand is also increasing; but the principle of traditional L-CNG devices is to use low-temperature high-pressure pumps The LNG is pressurized, and the high-pressure LNG is converted into CNG by endothermic gasification in the gasifier. During the conversion process, the high-pressure pump consumes a large amount of electric energy, resulting in higher CNG costs and a waste of national energy. The output of a single 30kw low-temperature high-pressure pump is 900Nm3 / h, which is equivalent to a small L-CNG filling station that would consume at least 667 degrees of...

Claims

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Application Information

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IPC IPC(8): F17D1/04F17C7/04
Inventor 江涛杨国柱
Owner 厚普清洁能源股份(集团)有限公司
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