DIN 51622-1985 Liquefied petroleum gases propane propene butane butene and their mixtures requirements《液化石油气 丙烷、丙烯、丁烷、丁烯及其混合物 要求》.pdf
《DIN 51622-1985 Liquefied petroleum gases propane propene butane butene and their mixtures requirements《液化石油气 丙烷、丙烯、丁烷、丁烯及其混合物 要求》.pdf》由会员分享,可在线阅读,更多相关《DIN 51622-1985 Liquefied petroleum gases propane propene butane butene and their mixtures requirements《液化石油气 丙烷、丙烯、丁烷、丁烯及其混合物 要求》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Liquefied petroleum gases Propane, propene, butane, butene and their Requirements mixtures Flssiggase; Propan, Propen, Butan, Buten und deren Gemische; Anforderungen DIN - 51 622 Supersedes November 1973 edition. In keeping with current practice in standards published by the International Organizati
2、on for Standardization (ISO), a comma has been used throughout as the decimal marker. 1 Scope and field of application This standard specifies liquefied petroleum gases as defined in clause 2. They are obtained from the produc- tion and processing of petroleum and natural gas, from the synthesis of
3、hydrocarbons and from petrochemical processes and are used, amongst other things, - as basic materials for further chemical processing; - as fuel gas for domestic, commercial and industrial - for the production of gases for the public gas supply; - as fuel for internal combustion engines. purposes;
4、2 Concept For the purposes of this standard, liquefied petroleum gases are the commercially available qualities of C3 and C4 hydrocarbons, propane, propene, butane and their mixtures. 3 Requirements 3.1 Composition The composition is to be determined in accordance with DIN 51 619. 3.1.1 Propane Comm
5、ercially available propane is a mixture of at least 95% by mass of propane and propene; the propane content shall predominate. The remainder may consist of ethane, ethene, butane and butene isomers. 3.1.2 Propene Commercially available propene is a mixture of at least 95 % by mass of propene and pro
6、pane; the propene content shall predominate. The remainder may consist of ethane, ethene, butane and butene isomers. 3.1.3 Butane Commercially available butane is a mixture of at least 95 % by mass of butane and butene isomers; the butane isomer content shall predominate. The remainder may consist o
7、f propane, propene, pentane and pentene isomers. 3.1.4 Butene Commercially available butene is a mixture of at least 95% by mass of butene and butane isomers; the butene isomer content shall predominate. The remainder may consist of propane, propene, pentane and pentene isomers. 3.1.5 Mixtures For t
8、he purposes of this standard, mixtures are those consisting of the liquefied petroleum gases defined in subclauses 3.1.1 to 3.1.4. Mixtures intended as fuel gas for domestic and com- mercial purposes shall not contain more than 60 % by mass of butane as defined in subclause 3.1.3 (residual propane a
9、s in subclause 3.1.1 1. 3.2 Vapour pressure The vapour pressure is to be calculated as specified in DIN 51 640. Table 1. Liquefied petroleum gas I Maximum vapour at 70 OC, in bar) As defined Type in subclause Propane 3.1.1 Propene 3.1.2 Butane 3.1.3 13 Butene 3.1.4 3.1.5 Mixture used as fuel gas I)
10、1 bar=0,1 MPa. 3.3 Odour For certain applications, e.g. as commercially available fuel gases for domestic, commercial and industrial pur- poses, liquefied petroleum gases shall have a perceptible odour.-The existing technical rules shall be observed (see also Explanatory notes under item e) ). Conti
11、nued on pages 2 to 4 Beuth Verlag GmbH, Berlin, has the exclusive right o sale tor German Standards (DIN-Normen). DIN 51 622 Engl. Price group 5 Sales No. O1 05 01.87 COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling ServicesPage 2 DIN 51 622 Requirements 3.4
12、 Degree of purity Testing as in Table 2. Degree of purity I rnglkg I DIN 51 855 Part 6 DIN 51 613 Not exceeding 5 I Hydrogen + nitrogen + oxygen + methane % by mass I Notexceeding0,2 I DIN51 619 I Volatile sulfur mglkg I Hydrogen sulfide (dihydrogensulfide) I Not detectable I DIN 51 855Part6) I Not
13、exceeding 50 EN 41 I Elementary sulfur mglkg I Notexceeding 1.5 I DIN51 613 I sulfide sulfur + elementary sulfur Residue on evaporation mglkg I Not exceeding 50 EN 52) I DIN 51 613and I I Ammonia, water, alkaline solution I Not detectable I DIN 51 614 I ) When using this standard, only proportions b
14、y mass of hydrogen sulfide (HIS) of not less than 1 mglkg can be determined. 2, A different requirement will be specified once a new method of test, which is being prepared, is finalized. Standards referred to DIN 51 613 DIN 51 614 DIN 51 619 DIN 51 640 DIN 51 855 Part 6 EN 5 EN 41 Testing of liquef
15、ied petroleum gases; determination of elementary sulfur and residue on evaporation Testing of liquefied petroleum gases; testing for ammonia, water and alkaline solution Testing of petroleum hydrocarbons; determination of the composition of liquefied petroleum gases; analysis by gas chromatography T
16、esting of liquefied petroleum gases; calculation of vapour pressure at 70% Testing of gaseous fuels and other commercial gases; determination of the content of sulfur compounds, hydrogen sulfide, mercaptan sulfur and carbonyl sufide sulfur; potentiometric method Determination of existent gum in fuel
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