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Mass flowmeter

A mass flow meter and mass flow technology, applied in the field of weighing, can solve problems affecting measurement accuracy and other issues

Active Publication Date: 2020-05-08
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a mass flowmeter to solve the problem in the prior art that the measurement accuracy is affected by the thermal expansion and contraction of the measuring cylinder during the measurement process of the mass flowmeter.

Method used

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs.

[0024] In the present invention, in the absence of a contrary statement, the used orientation words such as "up and down" usually refer to the direction shown in the drawings, or refer to the vertical, vertical or gravity direction Similarly, for the convenience of understanding and description, "left and right" usually refer to the left and right shown in the drawings; The words are not used to limit the invention.

[0025] In order to solve the problem in...

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Abstract

The invention provides a mass flowmeter, comprising a measuring barrel and a cooling assembly. The measuring barrel is used for measuring mass flow of a to-be-measured material; the cooling assembly comprises a heat-exchange pipeline and a cooling device communicated with the heat-exchange pipeline, the heat-exchange pipeline winds around the measuring barrel, heat-exchange medium flows circularlyin the cooling device and the heat-exchange pipeline, the cooling device cools the heat-exchange medium to realize heat exchange between the measuring barrel and the heat-exchange pipeline. The massflowmeter effectively solves the problem of influence on measurement precision from expansion caused by heat and contraction caused by cold of the measuring barrel in the measurement process of the mass flowmeter in the prior art.

Description

technical field [0001] The invention relates to the technical field of weighing, in particular to a mass flow meter. Background technique [0002] At present, the mass flow meter is installed on the pipeline where the pulverized coal falls vertically, and is mainly used for weighing and measuring the pulverized coal transported upstream, and controls the feeding speed through the feeding valve. Among them, the mass flow meter uses the Coriolis principle to measure the amount of pulverized coal falling, and converts the kinetic energy of the falling pulverized coal into mass impulse and then into mass. [0003] Although the kinetic energy of pulverized coal in the mass flowmeter has nothing to do with temperature, since the measurement structure (measuring cylinder) of the mass flowmeter is made of metal, thermal expansion and contraction will occur when the temperature changes, which will affect the measurement accuracy. cause measurement errors. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/76G01F15/00
CPCG01F1/76G01F15/00
Inventor 刘永贾振斌黄金金张驰高进王丹李小强秦光书李海军
Owner CHNA ENERGY INVESTMENT CORP LTD
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