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Pressure stabilizing system and pressure stabilizing method for double-fuel gas supply device

A gas supply device and dual fuel technology, which are applied in the method of container discharge, container filling method, gas/liquid distribution and storage, etc., can solve the problems of high ignition temperature requirements, low calorific value, stratification, etc.

Active Publication Date: 2016-12-14
GUIZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: low calorific value, lower power under the same conditions; slow combustion speed, high requirements for ignition point temperature
However, after coke oven gas and natural gas are mixed, stratification will occur due to the difference in their density after long-term storage

Method used

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  • Pressure stabilizing system and pressure stabilizing method for double-fuel gas supply device

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Embodiment Construction

[0017] Specific implementation plan

[0018] A pressure stabilizing system for a dual-fuel gas supply device. The stabilizing bottle 1 is connected to the control valve 8 through the gas outlets C, D, E and 1#-3# flow control valves 5, 6, 7 respectively, and the control valve 8 passes through The mixer 9 or the bypass air passage 10 is in communication with the jet module; the flow control valves 5, 6, 7, the control valve 8 and the mixer 9 are in communication connection with the ECU 11. 1#concentration detection sensor 2, 2#concentration detection sensor 3 and 3#concentration detection sensor 4 are respectively arranged in the upper, middle and lower parts of the inside of the regulator bottle 1. The mixer 9 and the bypass air passage 10 are connected in parallel, and both are connected to the jet module by air pipes. The control valve 8 is provided with two valves, one valve is connected to the air passage leading to the mixer; the other valve is connected to the pipeline of ...

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Abstract

The invention discloses a pressure stabilizing system and a pressure stabilizing method for a double-fuel gas supply device. The pressure stabilizing system and the pressure stabilizing method for the double-fuel gas supply device are characterized in that a constant-pressure mixed gas stored in a pressure stabilizing bottle (1) passes through gas outlet ports C, D and E, flow control valves (5), (6) and (7), a control valve (8) and a mixer (9) or a bypass gas channel (10) and then flows towards a gas injection module; the mixer (9) and the bypass gas channel (10) form a parallel relationship, and are both connected to the gas injection module by virtue of gas tubes; and an ECU (11) controls the working conditions of the flow control valves (5), (6) and (7), the control valve (8) and the mixer (9). The system effectively solves the problem that a layered mixed gas is supplied to an injection system due to layering of the mixed gas stored in the pressure stabilizing bottle for a long time, and ensures the performance of an engine.

Description

Technical field [0001] The invention belongs to the technical field of automobile gas supply systems, and relates to a stabilizing system and a stabilizing method of a dual-fuel gas supply device. Background technique [0002] According to statistics from relevant departments, as of 2014, the number of motor vehicles in my country has exceeded 254 million, and the number of motor vehicles is growing rapidly every year. The rapid development of automobiles has brought convenience to people's lives, and at the same time has exacerbated problems such as air pollution and oil crisis. In recent years, all countries have been working hard to find alternative fuels to replace petroleum. Among them, natural gas is currently the most mature gas fuel that can be used in automobiles. Its advantages are: good anti-knock performance and can be used in engines with higher compression ratios; wide flammability limits, which can achieve lean combustion; and good emissions. Its disadvantages ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C7/00F17C13/02F17C13/04
CPCF17C7/00F17C13/02F17C13/04F17C2223/0146F17C2225/0146
Inventor 何明山罗卫东黄琳森张立陈启新
Owner GUIZHOU UNIV
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