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Wyszukujesz frazę "magnet system" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Research of the Force Function Distribution in the Workplace of the Magnetic Disc Type Separator Intended for the Cleaning of Bulk Substances from the Ferromagnetic Impurities
Autorzy:
Shvedchykova, Iryna
Melkonova, Inna
Powiązania:
https://bibliotekanauki.pl/articles/411225.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
permanent magnet
force function
magnetic system
magnetic separator
Opis:
The paper deals with the magnetic system of the disk separator with permanent magnets. It is shown that the developed magnetic system can be used to purify finely dispersed friable substances from unwanted ferromagnetic inclusions. The main advantage of the magnetic system is the ability to self-clean the surface of a non-magnetic rotating discharging disk. The research of the distribution of the force function acting on multi-domain ferromagnetic particles in the working zone of the disk separator was carried out. To solve the main tasks of the study, a finite element method was implemented, realized in the COMSOL Multiphysics software environment. It is shown that when changing the air gap or the effective length of the poles, the distribution of the force function over the height of the working zone, as well as the magnitude of force, varies. The rational size of the air interpolar gap, which provides the maximum value of power force, was determined.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2019, 8, 3; 3-10
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the technical level of magnetic fishing tools
Autorzy:
Romanyshyn, Taras
Romanyshyn, Liubomyr
Bembenek, Michał
Mokhnii, Ihor
Powiązania:
https://bibliotekanauki.pl/articles/409609.pdf
Data publikacji:
2020
Wydawca:
STE GROUP
Tematy:
fishing tool
lifting force
magnetic system
permanent magnet
technical level
Opis:
A variety of magnetic fishing tools poses the task of the optimal choice of tool for eliminating accidents during the construction, operation and repair of wells. Existing criteria for assessing the quality of fishing magnets are characterized by the complexity of the determination and the ambiguity of the results. Therefore, the aim of research is development of a new approach to determining the technical level of fishing tools of various types and designs. A complex criterion has been developed that allows to evaluate the technical level of magnetic systems by correlating the actual and theoretical values of the total and specific lifting forces. Also it has been carried out a qualimetric analysis of magnetic tools, which are currently offered by world manufacturers. As a result, mathematical models are found that describe the average and modern world level of devices with specific lifting force. Technical decisions are proposed, the implementation of which in the design of magnetic systems of fishing tools will allow to achieve high values of lifting force. Application of the proposed complex criterion along with the results of qualimetric analysis will make it possible to objectively assess the technical level of magnetic fishing tools both at the design stage and during serial production.
Źródło:
Management Systems in Production Engineering; 2020, 2 (28); 78-83
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of the efficiency of the large-diameter fishing tools with the moving magnetic systems
Autorzy:
Romanyshyn, Taras
Sheketa, Vasyl
Romanyshyn, Liubomyr
Buchynskyi, Myroslav
Powiązania:
https://bibliotekanauki.pl/articles/2064377.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
fishing tool
magnetic system
permanent magnet
hoisting capacity
narzędzie wyciągowe
system magnetyczny
magnes trwały
zdolność wyciągowa
Opis:
The variety of accidents which happen during the construction of oil and gas wells causes the expansion in the use of magnetic fishing tools. However, the known tools based on permanent magnets have a significant drawback involving the flat working surface of the magnetic system that does not permit to achieve a considerable attraction force to a fished object of complex geometric shape. Therefore, the aim of the research is to increase the efficiency of removal the objects of irregular geometric shape from the wells by enlarging the area of contacting them. For that purpose, it has been developed a fundamentally new design of the large-diameter fishing tool with the moving magnetic systems capable of copying the shape of the objects to be fished. Each magnetic system, which is compound of permanent rare-earth neodymium magnets and concentrically placed magnetic cores, shall be held by the magnetic field of adjacent systems with opposite polarity. There were conducted theoretical studies using the finite element method to determine the working capacity of the designed tool. As a result, it has been found the value of hoisting capacity during the interaction of magnetic systems with the roller cone of the drill bit; this fact confirms the capability of fishing the objects of irregular geometric shape. In addition, it has been explored the influence of the material of the fished object on the power characteristics of magnetic systems. The application of the designed magnetic tool allows removing the ferromagnetic objects from the well regardless of their shape, weight and position on the bottom hole. Apart from that, the given tool may be used in the areas where the technology of work is related to drilling wells.
Źródło:
New Trends in Production Engineering; 2019, 2, 1; 206--213
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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