SAFE removing volatile oxidizable compound from the particles, in particular polymer particles

摘要

1.a safe u0443u0434u0430u043bu0435u043du0438u00a0 one or more volatile u043eu043au0438u0441u043bu00a0u044eu0449u0438u0445u0441u00a0 compounds capable of formation of explosive mixtures with oxygen from the u043du0430u0445u043eu0434u00a0u0449u0438u0445u0441u00a0 in d u0437u0435u0440u0432u0443u0430u0440u0435 (1) particles (2), whereby the flow of gas is in the tank (1), where the flow of gas is u043eu043au0438u0441u043bu00a0u044eu0449u0438u0435u0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 of particles (2), and the flow of gas from the u043eu043au0438u0441u043bu00a0 u044eu0449u0438u043cu0438u0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0u043cu0438 u0432u044bu0432u043eu0434u00a0u0442 from reservoir (1).the flow of gas to the u0432u044bu0445u043eu0434u00a0u0449u0435u043cu0443 u043fu0440u0438u0431u0430u0432u043bu00a0u044eu0442 oxygen and are u043eu043au0438u0441u043bu00a0u044eu0449u0438u0435u0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 present in u0432u044bu0445u043eu0434u00a0u0449u0435u043c flow of gas at least partially. u0442u0430u043bu0438u0442u0438u0447u0435u0441u043au043eu043cu0443 oxidation by oxygen, and the flow of gas after u043eu043au0438u0441u043bu0435u043du0438u00a0 forms at least part of the flow of gas, supplied to the tank (1) so that the u0432u043bu00a0u043bu0430u0441u044c u0446u0438u0440u043au0443u043bu00a0u0446u0438u00a0 gas flow.;2. method for 1, whereby the particles of a particle u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 polymer (2), a volatile u043eu043au0438u0441u043bu00a0u044eu0449u0438u0435u0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a residual monomers and / u043eu0441u0442u0430u044eu0449u0438u0435u0441u00a0 or solvents, polymer particles (2), after their u043fu043eu043bu0443u0447u0435u043du0438u00a0.;3. method for 2, whereby the polymer particles u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a solid granules of polymer (2), in particular u043fu043eu043bu0438u043eu043bu0435u0444u0438u043du043eu0432 granules.;4. method for 2, whereby the particles u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a particles, the particles u0432u043eu0441u043au043eu043eu0431u0440u0430u0437u043du043eu0433u043e spray liquid polymer, or polymer.;5. method for 1, whereby the oxygen u043fu0440u0438u0431u0430u0432u043bu00a0u044eu0442 to u043eu043au0438u0441u043bu00a0u044eu0449u0438u043cu0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0u043c predominantly in u0441u0442u0435u0445u0438u043eu043cu0435u0442u0440u0438u0447u0435u0441u043au043eu043c numbers corresponding to numbers are required u0434u043bu00a0 full u043eu043au0438u0441u043bu0435u043du0438u00a0.;6. method for 1, whereby the oxygen u043fu0440u0438u0431u0430u0432u043bu00a0u044eu0442 as air.;7. method according to clause 5, whereby the number of u043fu0440u0438u0431u0430u0432u043bu00a0u0435u043cu043eu0433u043e oxygen regulated on the basis of u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 oxygen and / or u043eu043au0438u0441u043bu00a0u044eu0449u0435u0433u043eu0441u00a0 u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, u043eu043fu0440u0435u0434u0435u043bu00a0u0435 to the oxidized gas stream.;8. way to 1, according to which oxidation of u043fu0440u043eu0432u043eu0434u00a0u0442 through active of catalyst comprising at least one noble metal, u0432u044bu0431u0438u0440 u0430u0435u043cu044bu0439 of group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of platinum, u043fu0430u043bu043bu0430u0434u0438u00a0 and u0440u043eu0434u0438u00a0.;9. method for 1, whereby the particles (2) continuously u0432u0432u043eu0434u00a0u0442 in the tank (1) and u0432u044bu0432u043eu0434u00a0u0442 from reservoir (1).;10. method for point 9, whereby the flow of gas is passed in u043fu0440u043eu0442u0438u0432u043eu0442u043eu043au0435 relative to the particles (2).;11. the way for phase 1 with the first u0432u0440u0435u043cu00a0 regime, in which the line u0446u0438u0440u043au0443u043bu00a0u0446u0438u0438 u043fu0440u043eu0434u0443u0432u0430u044eu0442 inert gas, such as nitrogen.;12. method for the p.11, whereby the oxygen content in the tank (1) in the first phase of continuously raise to u0443u0440u043eu0432u043du00a0 from 0.5 to 5 about.%, in particular from 1 to 4. about.%, and then support it u043fu043eu0441u0442u043eu00a0u043du043du044bu043c.;13.installation of u0434u043bu00a0 u043eu0441u0443u0449u0435u0441u0442u0432u043bu0435u043du0438u00a0 method corresponding to one of the preceding points, u0432u043au043bu044eu0447u0430u044eu0449u0430u00a0 tank (1), designed u0434u043bu00a0 loading polymer particles (2), with the u0438u0441u0442u0435u043cu043eu0439 input strip (3) and exhaust gas (4), the catalyst (5) containing a catalyst u043eu043au0438u0441u043bu0435u043du0438u00a0 u0434u043bu00a0 u043eu043au0438u0441u043bu0435u043du0438u00a0 residual u043cu043eu043du043eu043cu0435u0440u0430 oxygen line u0446u0438u0440u043au0443u043bu00a0u0446u0438 and gas, including gas drainage line (9).u0441u043eu0435u0434u0438u043du00a0u044eu0449u0443u044e system output strip (4) with the apparatus with the catalyst (5), and a recycle line (10), u0441u043eu0435u0434u0438u043du00a0u044eu0449u0443u044e apparatus with a catalyst (5) with the system input strip (3), and the and u0437u043cu0435u0440u0438u0442u0435u043bu044cu043du044bu0439 device u0434u043bu00a0 air (6), which is connected to a gas withdrawal line (9), u0434u043bu00a0 u0432u0432u0435u0434u0435u043du0438u00a0 oxygen gas withdrawal line (9).;14. installation for p.13, u0441u043eu0434u0435u0440u0436u0430u0449u0430u00a0 system input u0434u043bu00a0 particulate polymer (7) and a system output u0434u043bu00a0 polymer particles (8), in which the system u0434u043bu00a0 entry of particulate polymer (7) and the gas (4 u0434u043bu00a0 withdrawal system ) are located on one side of the container (1), and the system u0434u043bu00a0 withdrawal of particulate polymer (8), and the system u0434u043bu00a0 input strip (3) on the opposite side of the container (1).resulting in a stream of gas and particles of polymer (2) can u0442u0440u0430u043du0441u043fu043eu0440u0442u0438u0440u043eu0432u0430u0442u044cu0441u00a0 in u043fu0440u043eu0442u0438u0432u043eu0442u043eu043au0435.;15. install the p.13, in which the reservoir u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a receptacle (1) u0434u043bu00a0 u0445u0440u0430u043du0435u043du0438u00a0 granular polymer (2).;16. install the p.13, in which the catalyst u043eu043au0438u0441u043bu0435u043du0438u00a0 consists of beam pipe u0442u0440u0438u0444u0443u043du043au0446u0438u043eu043du0430u043bu044cu043du043eu0433u043e conventional monolithic catalyst or catalyst u043eu043au0438u0441u043bu0435u043du0438u00a0 u0434u043bu00a0 u043eu0447u0438u0441 u0442u043au0438 exhaust gas of automobiles.;17. install the p.13, in which the catalyst (5) can be u0430u0432u0442u043eu0442u0435u0440u043cu0438u0447u0435u0441u043au043eu043c mode.;18. installation of one of the u043fu043f.13 - 17, u043au043eu0442u043eu0440u0430u00a0 also includes u043bu00a0u043cu0431u0434u0430 - probe u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 oxygen recycle line (10) and u0440u0435u0433u0443u043bu00a0u0442u043eu0440, regulating the number of cats u043bu043eu0440u043eu0434u0430, supplied via the measuring instrument (6) based on the determined by u043bu00a0u043cu0431u0434u0430 - u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 oxygen probe.