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Mass flowmeter scale application in PVC production measurement of monomer

by:Sincerity     2020-12-02
Abstract: the mass flowmeter measurement scale in PVC production monomer, the application of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Abstract: the quality and application in PVC chemical companies more extensive, PVC products quality is closely related to the flow meter, this paper mainly through the principle of flow meter and improve its application in production. Nowadays, PVC chemical enterprises generally used mass flow. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a mass flowmeter measurement scale in PVC production of monomer in details in this paper. Quality and its application in PVC chemical companies more extensive, PVC products quality is closely related to the flow meter, this article mainly introduced by the principle of flow meter and improve its application in production. Nowadays, PVC chemical enterprises generally using the material of mass flowmeter metering, which is suitable for the typical zui link is one of monomer feed. Mature PVC production process automation, monomer by pump usually pumped out into the polymerizer. Monomer feed need to be done by two series of flowmeter metering, one used to measure the added to the amount of monomer in the polymerization kettle, another used for the measurement of the former. If two pieces of sheet reflects more than the sum rate of 1. 5% of zui large margin of error, you need to the table. PVC products quality is closely with the monomer into quantity is accurate. If the kettle of monomer amount beyond the error range of process requirement, its product is unqualified, will cause severe economic loss; On the other hand, join the amount of monomer on the theory of standard error is smaller, the more can produce high quality products, improve the economic benefit. Therefore, PVC production of monomer feeding process can usually adopt quality direct measurement of high precision to measure mass flowmeter. Xinyi jia tai chemical plant for many years engaged in PVC production, the original measurement using metering tank to monomer [ As shown in figure 1) , the monomer feed at the end of 2005 technological upgrading projects, chose two DN80 mainland mass flowmeter, monomer feeding model as follows [after the modification Figure 2] Figure 1, figure 2 can be seen from the diagram, the original device using the monomer feeding metering tank, substitute mass flowmeter for metering tank after improvement. After than before the technical modification at least has the following advantages: a greatly increased production efficiency. Operated by metering tank, links, charging time is long, the production efficiency is low; Using the flow meter not only realize automatic measurement of the quality of monomer, the flow rate can be real-time online control parameters such as size, thus greatly improving the production efficiency. Two measuring accuracy is greatly increased. Metering tank surface area is larger, the liquid level reading tiny deviation may result in a significant deviation in total measurement, this leads to unstable product quality is unqualified, even cause great economic losses; Comprehensive use of mass flowmeter metering error is only 0. 2%, in order to ensure the accurate of total monomer feed provides a reliable guarantee, to produce high quality products and provide the powerful technical support, economic benefit is bound to greatly improve. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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