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CNG conventional station equipment selection method

A technology of equipment type selection and conventional station, applied in the direction of mechanical equipment, instruments, data processing applications, etc., can solve the problems of single and inaccurate selection methods

Active Publication Date: 2017-04-12
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is the single and inaccurate selection method of CNG conventional station equipment in the prior art, and a new CNG conventional station equipment selection method is provided

Method used

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  • CNG conventional station equipment selection method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] It is proposed to build a CNG conventional station in a certain city, with concentrated refueling time, and the main service objects are taxis and buses.

Embodiment approach

[0067] According to the above basic conditions, the main equipment selection method of CNG conventional station is as follows:

[0068] 1. Input conditions:

[0069] (1) The fluctuating range of the pipeline inlet pressure is 0.2-0.8MPa, and the normal pressure is 0.4MPa;

[0070] (2) The sulfur content of pipeline gas is 16.2mg / m 3 ;

[0071] (3) It is estimated to provide refueling service for 300 taxis, 50 buses and 30 passenger vehicles every day, and provide 1500m for other vehicles 3 gas consumption;

[0072] (4) Concentrated filling time, that is, T=10 hours;

[0073] (5) The outage has a greater impact;

[0074] (6) The installation location of the compressor is outdoor installation;

[0075] (7) According to the above conditions, the hourly displacement Q=Q of the filling station can be calculated 0 / T=2000Nm 3 / h.

[0076] 2. Pipe network pressure regulation method

[0077] Will P min =0.2MPa, P o =0.4MPa, P max =0.8MPa into the formula calculation {(P ...

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Abstract

The invention relates to a selection method of CNG general station devices and mainly solves the problem that in conventional technologies the selection method of CNG general station devices is single and inaccurate. According to the selection method of CNG general station devices, after confirming the minimum pressure, working pressure and maximum pressure of the pipe network, sulphur content of pipeline gas, daily gas-filling capacity of a gas station, concentrated gas-filling time or not, off-the-line effects and the mounting position of a compressor, the parameter requests of the main devices of the gas station, namely, a pressure-regulating and measuring device, a desulfurizer, a dehydrating device, a compressor, a program board, a gas storage facility and a CNG dispenser can be obtained according to formula computing and engineering demands. The method is applicable to the selection CNG general station devices.

Description

technical field [0001] The invention relates to a type selection method for CNG conventional station equipment. Background technique [0002] Compressed natural gas (CNG) has obvious price and environmental advantages compared with gasoline and diesel. Therefore, natural gas for vehicles has developed rapidly in recent years. A large number of CNG filling stations have been built in my country, and the main users are urban taxis and buses. and a small number of private cars. [0003] The conventional CNG station is a place where gas is taken from the pipeline network, pressurized by a compressor, stored and filled with compressed natural gas for CNG vehicles. [0004] The equipment of CNG conventional station mainly includes: pressure regulating metering device, desulfurization device, dehydration device, piston compressor, program control panel, gas storage facility, CNG gas dispenser, etc. The equipment selection of CNG conventional stations is usually selected through ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D3/01G06Q50/06
Inventor 张健中江宁唐广宇许光赵雯晴张卫华
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG