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Fuel gas energy metering method

A measurement method and energy technology, applied in measuring devices, fuel oil testing, instruments, etc., to achieve the effect of informatization and convenient implementation

Active Publication Date: 2014-12-10
TANCY INSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a gas energy metering method to solve the energy metering problems of end users and metering stations in the existing gas transmission and distribution pipeline network

Method used

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Embodiment Construction

[0027] Embodiments of the present invention will be further described below in conjunction with accompanying drawings:

[0028] The gas energy metering method of the present invention realizes gas energy metering on gas pipeline network transmission and distribution terminal users and metering stations.

[0029] The volume correction instrument with energy measurement function, communication network, energy measurement center, gas composition and calorific value measuring instrument are constructed into an energy measurement system, which is applied in the transmission and distribution of gas pipeline networks. Prerequisites for energy metering leapfrogging. Since the commodity value of gas as a fuel is the calorific value contained in it, that is, the essence of gas sales is the energy of the gas, not the volume. Therefore, the energy flow measurement of gas is obviously more scientific than the volume flow measurement (or mass measurement), and it can better reflect fair tr...

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Abstract

The invention relates to a fuel gas energy metering method. The method is characterized by comprising the following steps: (1), obtaining parameters of pressure, temperature, a working condition flow, a fuel gas heating value and fuel gas components through an energy metering volume correcting meter; (2), calculating the unit volume heat of the fuel gas through an energy metering center, and then sending the result to the energy metering volume correcting meter to complete the calculation of the energy value; and (3), calculating the energy flow and the energy increase of the fuel gas in the metering period through the energy metering volume correcting meter, displaying the results of the volume metering and the energy metering through a display window of the energy metering volume correcting meter, uploading the results to the energy metering center through a wireless communication network, and completing the metering of the volume flow and the fuel gas energy under the base conditions by adopting the remote assignment fuel gas heat, the local sampled parameters about the flow, the temperature and the pressure.

Description

technical field [0001] The invention belongs to the field of energy metering of gas transmission and distribution systems, and in particular relates to a method for assigning gas heat by remote transmission, sampling flow, temperature and pressure parameters locally, and completing volumetric flow metering and gas energy metering under reference conditions. Background technique [0002] There are two methods of gas metering: volumetric metering (the same is true for mass metering) and energy metering. Volume metering realizes the accumulation of consumed gas volume, but cannot reflect the efficiency value of gas as fuel and energy. Gas energy measurement, which accumulates the calorific value of "hydrocarbon" substances with calorific value, is in the interests of both parties to the transaction. Existing gas has a wide range of sources and large differences in components. In addition to domestic gas, imported pipeline gas, and LNG, there are or will be a large number of un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G01N33/22G08C17/02
CPCG01D21/02
Inventor 叶朋顾志烈施世信吴富伟
Owner TANCY INSTR GRP
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