TH75497B - Hydrocarbon gas processing - Google Patents

Abstract

DC60 (09/12/54) Processes and equipment for the removal of carbon dioxide from gas streams. Hydrocarbons in the processing components are disclosed. The cooled current is expanded to the medium pressure. And is supplied as a top feed to the internal mass transfer device. Processing components The liquid stream of the distillation is collected from the bottom area of the The mass transfer device is then directed to the first heat and mass transfer device within the piece. Processing components to heat the said liquid and expel the volatile components of the The stream of liquid goes out while cooling the gas stream. After that release the liquid stream Of distillation that is heated and gases removed from processing components in the form of products of The tower bottom liquid from such processing components, the quantity and temperature of the feed to the equipment. Mass transfer is effective in maintaining the temperature of the upper area of the mass transfer device. At the temperature at which the aforementioned major portions of carbon dioxide are recovered in the tower bottom liquid products, processes and equipment for the removal of carbon dioxide from hydrocarbon flows in the processing components are disclosed by the cooled currents. Is expanded to medium pressure and supplied as a top feed to the mass transfer device within the processing component, the distillation stream is collected from the bottom area of the mass transfer device and It is directed to the first heat-and-mass transfer device within the processing assembly to heat the fluid stream and expel the volatile components of the liquid stream while cooling the gas stream. The crate then discharges the liquid stream of the heated distillation and is expelled from the processing component as a liquid product bottom of the tower.From such processing components, the volume and temperature of the feed to the mass transfer equipment are available. Effectiveness of maintaining the temperature of the upper area of the mass transfer device at the temperature at which the aforementioned major portion of carbon dioxide is recovered in the tower bottom liquid product. Already

Claims (2)

Disclaimer (all) which will not appear on the advertisement page. : ------ 12/02/2019 ------ (OCR) Page 1 of 13 pages. Disclaimer 1. The process for separating at least methane and carbon dioxide streams into gas segments. A volatile residue that contains the main methane component mentioned. And the volatile part is somewhat less composed of the main part of the carbon dioxide, where (1) the aforementioned gas stream is cooled in the first way to provide for the transfer of heat and the mass present in the component. Single piece processing Which will form a cooled stream And is further cooled in the lower area of one or more paths for the provision of heat exchange contained in the aforementioned processing components. Which forms an additional cooled current. (2) The aforementioned additional cooled currents are expanded to the medium pressure, in which way the current is further cooled. (3) Additional cooled currents at The aforementioned expansion was supplied as an upper feeder to the mass transfer path in the aforementioned processing components. There is one area below and one area above (4) The distillation fluid stream is collected from the bottom of the mass transfer path and is heated in The first mentioned method is for the organization of heat and mass transfer. The first of the above routes for the provision of heat and mass transfer was built in a configuration to provide heat exchange between (a) the aforementioned gas stream flowing through one of the paths. First mentioned for The heat and mass transfer is provided and (b) the aforementioned distillation liquid flows downstream from the transfer path. Transfer of the above mass So that the aforementioned gas stream is cooled to form the aforementioned cooled stream while heating the aforementioned distillation fluid stream, it is from the aforementioned first method for providing. Heat and mass transfer And where, when the aforementioned distillation fluid stream, page 2 of the number 13, is heated Part of that current is evaporated to form the evaporation vapor that rises upward when the remaining liquid flows continuously downward through the first mentioned pathway for heat transfer. And mass And where the aforementioned first method for organizing heat and mass transfer provides continuous contact between the aforementioned exhaust gas and the residual liquid. To give way The first mentioned for arranging heat and mass transfer also works to arrange for a mass transfer between the vapor phase and the liquid phase as well. This will expel the said residual liquid gas of methane and lighter components. And where the first such method for providing at least part of the heat transfer and supply mass of the process cooling (1) while expelling more volatile component gases from the residual liquid stream. At the same time And after that will release The remaining liquids that are heated and gassed from the aforementioned processing components are somewhat less volatile. Where the first distillation path for heat and mass transfer does not include an external boiler. (5) The vapor stream of the first distillation was collected from the upper part of the mass transfer path. The foregoing And was combined with the steam portion of the additional cooled stream that was expanded at The aforementioned second distillation stream was cooled in a second method for providing heat and mass transfer in the chunks. Processing components mentioned above This condenses the less volatile components from the aforementioned second distillation vapor stream and produces the condensed and third distillation vapor streams. Where the second way mentioned For the provision of heat and mass transfer, excluding external reflux devices (7), one or more of the aforementioned condensed currents are supplied as another top feed to the trajectory. Transferring the aforementioned mass (8), the relatively less volatile part than the above, is divided into at least the first and second currents (9). The aforementioned second currents are cooled in the upper region of the trajectory. One or more of the aforementioned heat exchanger. And after which the coagulant expanded to a lower impasse, whereby the current was further cooled p. 3 of the 13 p. (10), the aforementioned cooled second stream was heated. In the second way for the organization of heat and mass transfer A second method for arranging heat and mass transfer has been established in a configuration to provide heat exchange between (a) the second distillation vapor stream at Which flows upward through one of the aforementioned second paths for the provision of heat and mass transfer and (b) the aforementioned cooled secondary currents flowing Downward so that the aforementioned second distillation vapor is cooled while Hot, the second stream was cooled that was expanded above. Where, when the aforementioned second distillation vapor is cooled Part of the aforementioned second distillation vapor stream is condensed. And by that way, the aforementioned condensed current is formed and falls below. As the aforementioned third distillation vapor streams are formed and flow upward through the aforementioned second path for providing heat and mass transfer as well, where the trajectory The second mentioned for arranging the spread. Heat and mass transfer provides a continuous contact between the aforementioned condensed currents and the aforementioned third distillation vapor streams. To provide the aforementioned second method for arranging heat and mass transfer to provide for a mass transfer between the vapor and liquid phases as well, whereby distillation is provided. The net flow of the aforementioned third distillation And where the aforementioned second method for providing at least part of the heat transfer and supply mass of Stage cooling (6) (11) The aforementioned third distillation vapor stream is heated in the aforementioned bottom area of one or more of the aforementioned paths to provide a replacement. The heat contained in the aforementioned processing components One or more of the aforementioned pathways for arranging heat exchange has been created in a configuration to provide heat exchange between (a) the said cooled currents flowing through one. Parallels in the aforementioned lower regions of one or more of the aforementioned heat exchange paths, pages 4 of the number 13 (6), the aforementioned cooled, expanded secondary currents at Flows through one another in the lower region of one or more of the aforementioned heat exchange paths; and (c) the vapor flow of the aforementioned third distillation arising from the For the provision of heat and mass transfer so that the aforementioned third distillation vapor stream is heated to form a thinly heated third distillation vapor stream. part And the second cooled currents that were amplified at the aforementioned hot coils were further heated while the aforementioned cooled currents were further cooled. And where one or more of the aforementioned means of organizing an exchange Heat is generated in a further configuration to provide a heat exchange between (d) the aforementioned second current flowing through one of the above-mentioned areas of one heat exchange path. One or more of the aforementioned paths, and (e) the aforementioned partially heated third distillation vapor streams are heated in one or more of the aforementioned bottom areas. Come for the provision of heat exchange where the aforementioned second currents are cooled while providing additional heat, the vapor streams of the aforementioned partially heated third distillation currents. To form a steam stream of the third distillation that is heated And where one or more of the aforementioned routes for heat exchanging is supplied at least part of the cooling of the stages (1) and (9), and after that the distillation vapor stream is released. The third heated to the aforementioned processing components is the volatile residual part of the gas mentioned above. Where one or more of the aforementioned heat exchange paths do not include external reflux apparatus and (12) the amount and temperature of the aforementioned feed currents fed to the said mass transfer paths. It has been effective in maintaining the temperature of the above regions of the aforementioned mass transfer pathway at temperature, where the main part of the aforementioned carbon dioxide is recovered in a relatively less volatile fraction. Come on page 5 of the number 13, page 2. Process according to claim 1, where (1) the aforementioned gas stream is cooled enough to condense some of that gas stream (2) Partially condensed gas stream. The above was paid to the intersection and was Separate in such junction to provide at least one vapor stream and at least one liquid stream. (3) At least one of the aforementioned liquid flows is amplified to the medium pressure (4) amplified fluid flows. The aforementioned dua is paid as the above. (5) The aforementioned vapor stream is expanded to the aforementioned medium pressure and is supplied as a feed to the aforementioned processing components under the path. Two for the arrangement of heat and mass transfer and (6) the vapor stream of the aforementioned distillation stream was collected from the area. Above of the aforementioned mass transfer paths and is combined with the aforementioned diffused vapor portions to form a second distillation vapor stream 3. Process according to claim No. 2, where The intersections mentioned are in the aforementioned processing components 4. Process according to claim 2 or 3 where (1) additional mass transfer paths are in the aforementioned processing components. The second mentioned for arranging heat and mass transfer. The above additional mass transfer path has one bottom area and one upper area (2). The amplified vapor stream is supplied as top feed to the additional mass transfer path. Page 6 of the 13 p. (3) The aforementioned distillation vapor stream is directed to the additional mass transfer path mentioned as bottom feed to the said mass transfer path. (4) The fourth distillation vapor stream is collected from the area above the aforementioned additional mass transfer paths and combined with the aforementioned vapor fraction of the expanded vapor stream at (5) At least one of the aforementioned condensed stream is supplied as another top feeder to the aforementioned additional mass transfer paths and (6) The quantity and temperature of the aforementioned feed currents fed to the aforementioned additional mass transfer paths are effective in maintaining the temperature of the above regions of The aforementioned additional mass transfer paths at temperature at which the aforementioned main fraction of carbon dioxide is recovered in the volatile fraction is somewhat less than the above. 5. Process according to claim 1 where the path First of all, for the provision of heat and mass transfer, including one or more lines, for the external heating medium to complement the heating provided by the aforementioned gas streams for chasing. Volatile components 6. Process according to claim 4, where the first of the aforementioned pathway for the provision of heat and mass transfers, including one line, or Moreover, for the external heating medium to enhance the heating provided by the aforementioned gas stream for evacuating the above-mentioned volatile components from the liquid stream of the aforementioned distillation. The separation of a gas stream containing at least methane and carbon dioxide into a volatile solid gas containing the main part of the aforementioned methane. And the volatile part is somewhat less than that of the aforementioned main carbon dioxide. This includes (1) a method for organizing heat and mass transfer in Process components, simmering equipment to cool the aforementioned gas stream pages 7 of the 13 pages (2), one or more ways for the provision of heat exchange contained in the aforementioned processing components; and That is connected to the first of the above pathways for organizing heat and mass transfer. To receive the aforementioned cooled gas stream and further cool the gas stream This creates a cooled stream. (3) Expansion path The first path is connected to one or more of the aforementioned pathways for the provision of heat exchange. To receive the aforementioned chilled currents and to conduct them, they are expanded to medium stiffness (4) the mass transfer path in the aforementioned processing components and connected to the amplification path. The first of the above means to receive the aforementioned expanded cooled currents. In the figure above, to the said mass transfer path. There is one area below and one area above. (5) The fluid collection path that is in the above processing components and connected to the mass transfer path. (6) The first method for the provision of heat and mass transfer to be welded. In addition to the aforementioned liquid collection methods to receive the liquid stream of the aforementioned distillation and to heat the said liquid stream. The first such path for heat and mass transfer has been established in a configuration to provide heat exchange between (a) one of the aforementioned gas streams. Of the first way mentioned for The heat and mass transfer are provided and (b) the aforementioned distillation fluid flows downward from the aforementioned mass transfer paths so that the aforementioned gas flows are cooled to form. The aforementioned cooled currents while heating the liquid streams of the foregoing distillations from the aforementioned first path. For arranging heat and mass transfer And where, when the liquid stream of the aforementioned distillation is heated Part of the current is evaporated to form the evaporation vapor at the top when p. 8 of the 13 p. The remaining liquid flows continuously downward through the aforementioned first path. Heat and mass transfer And where the first of the aforementioned pathway for the provision of heat and mass transfer provides continuous contact between the aforementioned exhaust gas and the aforementioned liquids to provide a The first mentioned for arranging heat and mass transfer also works to arrange. Mass transfer between the vapor phase and the liquid phase as well This will expel the said residual liquid gas of methane and lighter components. And where the first such method is for at least part of the heat transfer and supply mass of the stage cooling (1) while evaporating the more volatile component gases from the remaining liquid stream. At the same time And after that release the remaining liquid, which is heated and expelled from the metamorphic component. The above figure is somewhat less volatile. Where the first of the aforementioned methods for the provision of heat and mass transfer does not include the external boilers (7) the vapor collection methods contained in the aforementioned processing components and connected. With the aforementioned mass-transfer path to obtain the first distillation vapor stream from the upper region of the aforementioned mass-transfer path (8), the combined pathway connected to the said vapor collection path. Come to receive the aforementioned first distillation vapor stream and combine it with any vapor section. This method produces a second distillation vapor stream (9). The second method is for the provision of heat and mass transfer. In the aforementioned processing components and which are connected with the aforementioned combined path to obtain the vapor flow of the Distillation of the aforementioned second currents and cool the vapor. In this way, condensed currents and vapor streams of the third distillation are generated (10) the aforementioned mass transfer path, which is further connected to the aforementioned second path for the arrangement of Transfer heat and mass to obtain at least one part of the aforementioned condensate current, as in the top feed, to the aforementioned mass transfer path (11), to which the division is connected to the processing component. As mentioned above, to obtain a relatively less volatile fraction than the aforementioned and divide the aforementioned relatively less volatile sections into the first and second currents by at least page 9 of the number 13 (12) one path. Or rather, for the provision of heat and mass exchange, which is connected to the aforementioned junction to obtain the aforementioned second current and to cool the second current (13) trajectory. The second expansion is connected to one or more of the above. For the provision of a heat exchange path to take the aforementioned second currents and to expand the second current to a lower pressure (14). The arrangement of heat and mass transfer is further connected to the aforementioned second expansion path to obtain the aforementioned expanded second chilled currents and conduct at Two of the aforementioned Which in this way will pay at least cooling One part of step (9), in which the aforementioned second route for arranging heat and mass transfer, has been established in a configuration to provide heat exchange between (a). The aforementioned second distillation vapor stream, flowing upward through one of the aforementioned second pathway for the provision of heat and mass transfer, and (b) the secondary current being cooled. The condensed second stream flows down below so that the aforementioned second distillation stream is cooled while heating. Where, when the aforementioned second distillation vapor is cooled Part of the aforementioned second distillation vapor stream is condensed. And by that way, the aforementioned condensed current is formed and falls below. While the vapor flow of distillation The third current is also formed and upward through the aforementioned second path for the arrangement of heat and mass transfer as well, where the aforementioned second path is for arrangement. For heat and mass transfer, provide a continuous contact between the aforementioned condensed current and the aforementioned third distillation vapor stream. To provide the aforementioned second pathway for arranging heat and working mass transfers to provide for a mass transfer between the vapor and liquid phases as well. That way, the aforementioned third distillation vapor stream is provided on page 10 of the 13 pages (15). The vapor stream of the aforementioned third distillation is heated in The bottom area of one or more of the aforementioned methods for providing heat transfer in the aforementioned processing components. One or more of the aforementioned pathways for the provision of heat exchange has been created in a configuration to provide heat exchange between (a) such cooled currents flowing through one direction. In the lower regions of one or more of the aforementioned heat exchanging paths (b) a heated second cooled second current flowing through the other in the area below where Said one of the methods of heat exchange or And (c) the aforementioned third distillation vapor stream arising from the aforementioned second method for providing heat and mass transfer so that the condensate vapor stream The third of the above has been heated to form a steam stream of the partially heated third distillation. And the second stream that was cooled The aforementioned heated expansions were further heated while the aforementioned cooled currents were further cooled. And where one or more of the aforementioned pathways for the provision of heat exchanging are established in a further configuration to provide heat exchange between (d) the second aforementioned at Flows through one line in the above region of one or more of the aforementioned heat exchange paths; and (e) the vapor flow of the aforementioned partial heated third distillation. It is heated in the aforementioned bottom area of one or more of the aforementioned routes for heat exchange arrangement where the aforementioned second current is cooled as it is heated. Additional the steam of the third distillation that is partially heated to the aforementioned To form a steam stream of the third distillation that is heated And where one or more of the aforementioned pathways for heat exchanging is supplied at least part of the cooling of the stages (1) and (12), and after that the vapor flow p. 11 of the number The 13 pages of the heated third current distillation mentioned by the aforementioned processing components are the aforementioned volatile residual gas portions. Where one or more of the aforementioned heat exchanging paths, including external reflux devices and (16) regulated routes to regulate the amount and temperature of the hot air current The aforementioned upper region of the aforementioned mass transfer path to maintain the temperature of the above region of the aforementioned mass transfer path at the temperature at which the The primary phase of the aforementioned carbon dioxide was recovered in a relatively less volatile fraction than the foregoing. 8. Equipment according to claim 7, where (1) one or more of the aforementioned pathways for the provision of Exchange The hot stream is adjusted to receive the aforementioned cooled gas stream and further cool the gas stream, which in turn generates a partially condensed gas stream (2). The junction is connected to one path. One or more of the aforementioned means of providing a heat exchanger to receive the aforementioned partial condensate gas stream and separate it into one vapor and at least one liquid stream (3). Expansion path The first of the above was connected to the intersection path to receive at least one of the aforementioned liquid flows and to make the said liquid flows expand to the neutral (4) path. The aforementioned mass transfer was connected to the aforementioned first expansion path to receive the amplified fluid stream mentioned in the above infeed to the path. (5) The third expansion path is connected to the aforementioned intersection to receive the aforementioned vapor streams and to expand the flow to the aforementioned intermediate impurities. The third expansion path is further connected with the aforementioned processing components to supply the aforementioned expanded vapor stream as a feed to the said expansion path. The second way mentioned For the provision of heat and mass transfer and page 12 of the number 13 (6), the combined path was connected to the aforementioned vapor collection path to obtain the vapor of the aforementioned distillation. And combine the aforementioned vapor stream with the aforementioned expanded vapor section, and in that way generate the aforementioned second distillation vapor stream 9. Equipment according to claim 8, where The aforementioned intersections are in the components of the Processing of the foregoing 1 0. Equipment in accordance with Clause 8, ha 9, where (1) additional mass transfer paths are in the aforementioned processing components under the aforementioned second route for provision. There is heat and mass transfer. The aforementioned additional mass transfer paths have one area below and one area above. (2) The aforementioned additional mass transfer path is connected to a third expansion path for (3) The aforementioned additional mass transfer path was further connected to the above-mentioned vapor collection path. Above to obtain the aforementioned first distillation vapor as a bottom feed to (4) The additional vapor collection path is in the aforementioned processing component and is connected to the aforementioned additional mass transfer path to obtain the fourth distillation vapor stream from (5) The above aggregate pathway was adjusted to be connected to the vapor collection path. Add the above to obtain the aforementioned fourth distillation vapor stream and combine the said vapor flow with the aforementioned vapor section of the aforementioned amplified vapor stream. In this way, the aforementioned second distillation vapor stream is generated. (6) The aforementioned additional mass transfer path is further connected to the aforementioned second path for the transfer arrangement. Heat and mass to get the aforementioned condensed current At least one part in the figure above is to the said mass transfer path and page 13 of the number 13 (7) the above control path is adjusted to control the quantity and temperature of the feed currents. The above regions of the additional mass transfer path are kept to maintain the temperature of the above regions of the aforementioned additional mass transfer paths at the temperature at which the main part. Of the carbon dioxide mentioned above was recovered in the volatile part somewhat less than the above 1 1. Equipment according to claim 7, 8 or 9, where the aforementioned first route for the provision of heat and mass transfer, including one or more lines, for the external heating medium. To complement the heating provided by the aforementioned gas stream for removing the above volatile components from the liquid stream of the aforementioned distillation 1 2. Equipment according to claim 10, where the aforementioned first route for the provision of heat and mass transfer, including one or more lines for the external heating medium, to complement the heating The heat is supplied by the aforementioned gas stream for removing more volatile components from the liquid stream of the aforementioned distillation. One is for separating at least a stream of methane and carbon dioxide into a volatile residual gas composed of the aforementioned methane core and relatively less volatile than that of the aforementioned main carbon dioxide. (1) The aforementioned gas stream is cooled to create a chilled current (2) the aforementioned chilled current is extended to the medium pressure, where it is further cooled (3). ) The aforementioned expanded chilled currents are fed above to the mass transfer device in the processing assembly, where the aforementioned mass transfer device has one area below and at the top. One area (4) The distillation liquid stream is collected from the side The underside of the aforementioned mass transfer equipment and is heated in the heat transfer device and the first mass within the aforementioned processing assembly to supply at least one cooling portion of the step (1). While removing additional volatile components from the liquid stream of the aforementioned distillation at the same time and then releasing the heated distillation fluid stream and expelling the said gas from the processing assembly at (5) The first distillation vapor stream is collected from the upper area of the aforementioned mass transfer device and is combined with any vapor portion of that current. (6) The aforementioned second distillation vapor stream is cooled in the heat transfer device and the second mass in Processing components above to condense the less volatile components from the aforementioned second distillation vapor streams and to generate the condensed and third distillation streams (7) condensed currents. At least one of the aforementioned parts was fed above again to the photoelectric device. The volatile part (8), somewhat less volatile than the above, is divided into at least the first and second currents (9) .The aforementioned second currents is cooled and thereafter expanded. (10) The previously expanded cooled second stream is heated to at least part of the cooling supply. Of steps (1) and (6) (11), the aforementioned third distillation vapor streams are heated in one or more heat exchanger in the aforementioned processing assembly to supply. At least one part cooling of steps (1) and (9) and thereafter releases the steam of the aforementioned third distillation stream from the aforementioned processing components as part. The aforementioned volatile residual gases and (12) the amount and temperature of the aforementioned feed currents fed to the aforementioned mass transfer devices are effective in temperature determination of the aforementioned areas of the device. Transfer of the aforementioned mass at temperature, where the main part of the aforementioned carbon dioxide is recovered in a relatively small volatile fraction. Than the foregoing