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Natural gas filling method for hydraulic natural gas filling substation

A gas filling sub-station, natural gas technology, applied in gas/liquid distribution and storage, pipeline system, mechanical equipment, etc.

Active Publication Date: 2013-07-24
XINXING ENERGY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a gas filling method for natural gas hydraulic gas filling sub-stations, which solves the problems of users in the supporting technology of long-tube trailers and sub-stations, and realizes safety and reliability.

Method used

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  • Natural gas filling method for hydraulic natural gas filling substation
  • Natural gas filling method for hydraulic natural gas filling substation

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Experimental program
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Embodiment Construction

[0012] 1. After turning on the oil pump for 30 seconds, when the oil pressure rises to 20MPa, the first oil return reversing valve 7 is opened, and the high-pressure oil enters the gas cylinder trailer from the left oil inlet 10 to the second oil inlet 29. figure 2 In the middle, the first electronically controlled oil inlet valve 20 is opened to inject high-pressure oil into the first gas cylinder, and the first gas cylinder's electronically controlled gas outlet valve 12 is opened to discharge high-pressure gas from the gas outlet 30 into the buffer tank.

[0013] 2. When 95% of the gas in the first gas cylinder is exhausted, figure 1 The first oil return reversing valve 7 is closed, the first oil inlet reversing valve 6 is opened, the first gas cylinder electric control outlet valve 12 is closed, and the oil in the first gas cylinder enters the oil through the first electric control under the remaining air pressure. Valve 20, the second oil inlet 29, left oil inlet 10, the...

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Abstract

The invention relates to a natural gas filling method for a hydraulic natural gas filling substation, belonging to the technical field of natural gas filling for natural gas filling substations. A first fuel inlet reversing valve 6, a first fuel return reversing valve 7, a second fuel inlet reversing valve 8 and a second fuel return reversing valve 9 are additionally arranged on the substation toform a bridge type structure; a functional module matched with the substation is additionally arranged so that the substation can be safely and reliably operated under any condition; and a fuel inletstate and a fuel return state are accurately matched for achieving the purpose of quickly and safely filling gas.

Description

technical field [0001] The invention belongs to the technical field of natural gas filling sub-station gas filling, and in particular provides a natural gas hydraulic filling sub-station gas filling method, which is suitable for automatic unloading of 8-pipe semi-trailers (8 valves in the rear cabin). Background technique [0002] At present, natural gas hydraulic gas filling technology is more and more recognized and accepted by customers. With the application and promotion of long tube trailers, there is an urgent need for matching gas filling technology. Our company invented a natural hydraulic gas filling sub-station gas filling method It is an improvement and improvement method proposed for the current automatic unloading method of 8-pipe semi-trailer (8 valves in the rear compartment), so that this kind of vehicle gradually becomes a popular mainstream model. It is economical, simple, and has few failures. The matching sub-station only needs to add 4 electric control a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D1/02
Inventor 杨彬王国强武常生宋富强张朝阳韩红娟
Owner XINXING ENERGY EQUIP