Hydrocarbon resin polymer material viscosity on-line continuous detecting method

A petroleum resin and detection method technology, applied in the direction of DC flow characteristic measurement, special data processing applications, instruments, etc., can solve the problems of slow detection speed and high price, and achieve low cost, low equipment investment, accurate and reliable measurement information Effect

Active Publication Date: 2008-10-01
SINOPEC LANZHOU GASOLINEEUM CHEM IND CORP
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Problems solved by technology

Petroleum resin polymers are non-Newtonian fluids. Therefore, the current measurement of the viscosity of petroleum resin polymers is mainly carried out by means of rotary cylinders. This measurement method needs to be equipped with complex online sampling systems, constant temperature systems, and analysis systems on the device. And integrated system to achieve, the detection speed is slow and expensive

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  • Hydrocarbon resin polymer material viscosity on-line continuous detecting method

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Embodiment Construction

[0024] Taking petroleum resin in a polymerization unit reactor as an example, the method for measuring its viscosity at 120° C. is further described in the present invention.

[0025] (1) Installation of measuring instruments

[0026] Materials such as figure 1 Flow in the direction of the arrow in the middle. When selecting the installation position of the pipeline, try to ensure that the pipeline is filled with materials to ensure the authenticity of the data measured by each detector. The mass flow meter 1 is installed horizontally on the pipeline, and is used to measure the mass flow of the material in real time, and the unit is ton / hour (or other standard units). During the flow process, due to the viscosity characteristics of the material, the friction between the material and the pipeline will cause a certain pressure drop during the flow of the pipeline. Different material viscosities will produce different pressure drops. Therefore, a horizontal differential pressure...

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Abstract

The invention provides an online continuous detection method of oil polymer resin material viscosity, comprising installing various instrumentations in a pipeline for real-time continuous detection of mass flow, pressure difference, temperature of the material in the pipeline and environmental temperature, carrying out a real-time field data acquisition by an industrial control computer and calculating the present viscosity of the material by a model preset in the computer. The invention uses the conventional instrument of mature technology and high-precision measurement for on-site signal detection with the characteristics of accurate measurement of the information and a small lag time.

Description

technical field [0001] The invention belongs to the technical field of on-line detection, and relates to an on-line detection method for the viscosity of a fluid substance, in particular to an on-line continuous detection method for the viscosity of a petroleum resin polymer material. Background technique [0002] There are many methods for measuring the viscosity of substances. For Newtonian fluids, various methods such as capillary differential pressure, ultrasonic, vibration, etc. can be used; for non-Newtonian fluids, the rotary drum method is generally used for measurement. Petroleum resin polymers are non-Newtonian fluids. Therefore, the current measurement of the viscosity of petroleum resin polymers is mainly carried out by means of rotary cylinders, and this measurement method needs to be equipped with complex online sampling systems, constant temperature systems, and analysis systems on the device. And integrated system to achieve, detection speed is slow, and expe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N11/08G06F19/00
Inventor 刘双明王豪赵力程嘉杰李海涛
Owner SINOPEC LANZHOU GASOLINEEUM CHEM IND CORP
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