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Elektrostatične značilnosti pnevmatskega transporta premogovega prahu
ID Popovič, Anja (Author), ID Senegačnik, Andrej (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrskem delu je obravnavana elektrostatična merilna metoda določanja karakteristik pnevmatskega transporta premogovega prahu. Elektrostatična merilna metoda deluje na principu zaznavanja električnega naboja gibajočih se trdnih delcev pri pnevmatskem transportu. Za zajem električnega naboja smo uporabili vrinjeno palično sondo. Metoda omogoča zaznavanje prostorninske koncentracije in hitrosti delcev premogovega prahu v realnem času. Na elektrostatično nabitost delcev vplivajo tako parametri pnevmatskega transporta, kot sta hitrost in koncentracija delcev, kot tudi električne lastnosti snovi, iz katere so delci prahu. Na laboratorijskem preizkuševališču smo pri nadzorovanih pogojih izvajali pnevmatski transport premogovega prahu in raziskali ključne vplivne veličine.

Language:Slovenian
Keywords:Pnevmatski transport, premogov prah, električni naboj, vlaga, elektrostatična zaznavala, merilna negotovost.
Work type:Master's thesis/paper (mb22)
Organization:FS - Faculty of Mechanical Engineering
Year:2018
PID:20.500.12556/RUL-100619 This link opens in a new window
Publication date in RUL:03.04.2018
Views:1008
Downloads:455
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Secondary language

Language:English
Title:Electrostatic characteristics of the pneumatic transport of pulverized coal
Abstract:
In the master's thesis, the electrostatic measuring method for determining the characteristics of the pneumatic transport of pulverized coal is discussed. Electrostatic measurement method is based on charge detection of the flowing particles in pneumatic transport. In order to acquire electrostatic charge, intrusive rod–type electrostatic sensor was used. This method enables a real time measurement of volume concentration and velocity of pulverized coal particles. Electrostatic charge of particles is affected by parameters of the pneumatic transport; the velocity and concentration of the particles as well as the electrical properties of the particles. At the laboratory test site, under controlled conditions, we carried out the pneumatic transportation of pulverized coal and investigated the key influential quantities.

Keywords:Pneumatic transport, coal dust, electrostatic charge, humidity, electrostatic sensors, measuring uncertainty.

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