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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 high price and slow detection speed, and achieve low cost, convenient installation and maintenance, tracking trend and measurement accuracy high effect

Active Publication Date: 2010-07-14
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

Method used

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

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Embodiment Construction

[0022] In the following, the petroleum resin in the reactor of a certain polymerization unit is taken as an example to further illustrate the method of the present invention for measuring its viscosity at 120°C.

[0023] (1) Installation of measuring instruments

[0024] Materials such as figure 1 Flow in the direction of the middle arrow. When selecting the pipe installation location, try to ensure that the pipe 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 to measure the mass flow of materials in real time, in 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 it to produce a certain pressure drop during the pipeline flow process, and different material viscosity will produce different pressure drops. Therefore, a horizontal differential pressure i...

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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 online detection, and relates to an online detection method of fluid substance viscosity, in particular to an online continuous detection method of petroleum resin polymer material viscosity. Background technique [0002] There are many methods for measuring viscosity of substances. For Newtonian fluids, capillary differential pressure, ultrasonic, vibration and other methods can be used; for non-Newtonian fluids, the rotating drum is generally used for measurement. Petroleum resin polymers are non-Newtonian fluids. Therefore, the current measurement of the viscosity of petroleum resin polymers mainly adopts the rotating drum method. This measurement method requires the equipment to be equipped with a complex online sampling system, constant temperature system, and analysis system. Realized with integrated system, the detection speed is slow, and the price is expensive. Summary of the invention [0003] The pu...

Claims

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Application Information

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Patent Type & Authority Patents(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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