TECHICAL Series MATHEMATICS  INFORMATICS  PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Experimental Determinations Regarding the Behaviour of Spiral Screw Pumps Stators under Erosion Wear
(Determinări experimentale privind comportarea la uzură a statorilor pompelor elicoidale (cu şurub))
Vol LXVI • No. 2/2014
Maria Popescu
Universitatea Petrol-Gaze din Ploiesti, Bd. Bucuresti 39, Ploiesti
e-mail:gabipopescu6927@yahoo.com

 Keywords   rubber, stator, steel containers, dissymmetry point, irregularity, fissure depth

 Abstract
The experimental determinations which were made had as a purpose the study of the peculiarities of the stator rubbers, regarding their behaviour when dealing with erosion wear, for the pumps with bolt. Three types of rubber were used, which were injected inside the stators, laboratory experiments were conducted, where there was used a device for the examination of rubber under erosion wear, made at SC UPETROM Ploiesti. The diagrams for the dissymmetry points were traced, according to the irregularity of the steel containers used during the experiment. The behaviour when being eroded includes an assessment of the length, width and depth of the fissure. The testing for erosion consists of measuring the depth of penetration of oil in the rubber, which a contact force is applied on. The experimental study of the well rubber was made in order to establish the working parameters for erosion wear research of the spiral screw pumps, used for crude oil recovery [1, 2].

 Rezumat
Lucrarea prezinta rezultatele cercetarii experimentale, privind comportarea la uzura a statorilor pompelor elicoidale. Incercarile experimentale au fost efectuate pe epruvete, cu diverse excentricitati, iar statorii injectati cu cele 3 tipuri de cauciuc, au fost taiati asa incat fiecare tronson sa corespunda dispozitivului de incercari. S-a utilizat de fiecare data o cantitate de 100 ml pacura, la fiecare excentricitate introdusa in interiorul tronsonului de stator. Studiul experimental al uzurii cauciucului folosit la pompele cu surub din sondele de extractie, a fost realizat in scopul stabilirii conditiilor/ parametrilor de lucru al cercetarii comportarii la uzura a pompelor de extractive cu surub.



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