PL409736A1 - Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal - Google Patents

Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal

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Publication number
PL409736A1
PL409736A1 PL409736A PL40973614A PL409736A1 PL 409736 A1 PL409736 A1 PL 409736A1 PL 409736 A PL409736 A PL 409736A PL 40973614 A PL40973614 A PL 40973614A PL 409736 A1 PL409736 A1 PL 409736A1
Authority
PL
Poland
Prior art keywords
gas
coal
measuring
gas emission
sample
Prior art date
Application number
PL409736A
Other languages
Polish (pl)
Inventor
Norbert Skoczylas
Mirosław Wierzbicki
Mateusz Kudasik
Tomasz Murzyn
Original Assignee
Instytut Mechaniki Górotworu Polskiej Akademii Nauk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Instytut Mechaniki Górotworu Polskiej Akademii Nauk filed Critical Instytut Mechaniki Górotworu Polskiej Akademii Nauk
Priority to PL409736A priority Critical patent/PL409736A1/en
Publication of PL409736A1 publication Critical patent/PL409736A1/en

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Abstract

Sposób pomiaru przebiegu emisji gazu w wyniku desorpcji z próbki materiału węglowego polega na tym, że obserwuje się pozycję cieczy znacznikowej w transparentnym kanale pomiarowym, rejestruje się chwilowe wartości emitowanego gazu, wskazywane przez pozycję cieczy znacznikowej w trakcie trwania pomiaru, przy czym za desorbowalną zawartość metanu w próbce przyjmuje się ostatni odczyt, a dla pomiaru przebiegu emisji gazu wykreśla się czasową zależność ilości wyemitowanego gazu oraz interpoluje przebieg funkcją: (A), gdzie: V(t) jest całkowitą masą gazu uwolnionego z węgla w chwili czasu t, V(?) jest granicą do której w miarę upływu czasu zmierza masa uwolnionego gazu, (Rz) to tzw. promień zastępczy ziarna dla klasy ziarnowej:, R1 i R2 to minimalny i maksymalny promień ziaren danej klasy ziarnowej. D* to efektywny współczynnik dyfuzji. Przedmiotem wynalazku jest też analogowy analizator zawartości gazu desorbowalnego i kinetyki emisji gazu z węgla.The method of measuring the course of gas emission as a result of desorption from a sample of carbonaceous material is that the position of the marker liquid is observed in a transparent measuring channel, the instantaneous values of the emitted gas are indicated, indicated by the position of the marker liquid during the measurement, while the desorbable methane content the last reading is taken in the sample, and for measuring the course of gas emissions, the time dependence of the quantity of gas emitted is plotted and the course is interpolated by the function: (A), where: V (t) is the total mass of gas released from coal at the time t, V (? ) is the limit to which, as time passes, the mass of gas released, (Rz) is the so-called grain equivalent radius for the grain class: R1 and R2 is the minimum and maximum radius of grains of a given grain class. D * is the effective diffusion coefficient. The subject of the invention is also an analogue analyzer of desorbable gas content and kinetics of gas emission from coal.

PL409736A 2014-10-09 2014-10-09 Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal PL409736A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL409736A PL409736A1 (en) 2014-10-09 2014-10-09 Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL409736A PL409736A1 (en) 2014-10-09 2014-10-09 Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal

Publications (1)

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PL409736A1 true PL409736A1 (en) 2016-04-11

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PL409736A PL409736A1 (en) 2014-10-09 2014-10-09 Method for measuring a gas emission process in result of desorption from a sample of coal material and the analogue analyser of desorbable gas content and kinetics of gas emission from coal

Country Status (1)

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PL (1) PL409736A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507388A (en) * 2018-10-29 2019-03-22 四川大学 Gas instantaneous desorption quantity measurement experiment system and method in coal rupture process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507388A (en) * 2018-10-29 2019-03-22 四川大学 Gas instantaneous desorption quantity measurement experiment system and method in coal rupture process

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