TH66944B - Hydrocarbon gas processing - Google Patents

Abstract

DC60 (09/12/54) Process and equipment for compact processing components used to recover C2 (or C3) components and heavier hydrocarbon components from gas streams. Hydrocarbons have been disclosed. The gas stream is cooled and divided into a stream. First and second stream With the first stream being cooled It is expanded to a lower pressure and is fed as a feed between the two adsorption devices. The second current is expanded to a lower pressure and is It is supplied as a bottom feeding to the lower adsorption device. The liquid stream of distillation from the bottom of The sorbent bottom is heated in the heat and mass transfer device to expel the components that Evaporation of the said liquid flow away The vapor stream of the distillation from the top of the photographic equipment. The heat is transferred and the mass is cooled by a vapor stream of the distillation from the top of the suction device. Upper liner to create a condensed current that is supplied as top feed to the adsorption device. Above mentioned Processes and equipment for compact processing components used in component recovery. C2 (or C3) and heavier hydrocarbon components from the ide carbon stream were exposed, with the gas stream being cooled and divided into the first and second, with the first being cooled, being expanded. The second flow is expanded to the lower pressure and is supplied as a bottom feed to the lower adsorption device. The distillation fluid stream from the bottom of the lower adsorption device is heated in the heat and mass transfer device to expel the volatile components of the liquid stream. The heat and mass transfer device is cooled by a vapor stream of the distillation from the top of the upper sorbent to create a condensed current that is supplied as the top feed to the upper sorbent as follows. say

Claims (5)

Disclaimer (all) which will not appear on the advertisement page. : ------ 14/06/2018 ------ (OCR) Page 1 of 14 pages. Disclaimer 1. One process for separating methane-containing gas streams, c2 components, c3 components, and Heavier hydrocarbon components Into the condensed gas that evaporates Yes, and the volatile component is somewhat less containing the main c2 component, c3 component, and heavier hydrocarbon component. Or c3 component and component Heavier hydrocarbons, where (1) the aforementioned gas currents is divided into first and second (2), the first of the above is cooled (3), the second is cooled. (4) The aforementioned cooled first part was combined with the aforementioned cooled second part for (5) The aforementioned cooled gas stream is divided into the first and second currents (6). The first of the above was cooled to condense all the above currents significantly and It was then expanded to a lower pressure. In that way The first stream has been Such critical condensation were further cooled (7). The first cooled stream at the aforementioned expansion coils was entered during the first absorption path. And the second sorbent path in the single component processing component Which way of absorbing the first (8) The aforementioned second current is extended to a lower incidence and is fed at the bottom. (9) The distillate fluid stream is collected from the area below the adsorption path. The second mentioned and heated in the heat transfer path and the mass present in the The aforementioned processing to supply at least part of the cooling of step (3) while simultaneously removing the more volatile components from the liquid stream of the aforementioned distillation. And after which the liquid stream of the distillation is heated and the gas is expelled from the parts. The above processing is somewhat less volatile than the above page 2 of 14 pages (10). The vapor stream of the first distillation was collected from the upper part of the path. Transferred the heat and the aforementioned mass and cooled enough to condense at least part of the (11) The vapor stream of at least part of the above condensed first distillation is supplied. To the path of separation and be separated that way To create condensed currents and condensate currents with Any un-condensed vapor remains after the first of the aforementioned distillation vapor streams are cooled (12). One or more of the aforementioned condensed currents are fed above the path. (13) The second distillation vapor stream is collected from the upper part of the path. The aforementioned first adsorbed and heated (14). The vapor stream of the aforementioned second distillation is combined with the vapor stream. The aforementioned fall of any current To create a combined vapor stream (15), the aforementioned combined vapor stream is heated. After that, the The aforementioned total heated as a volatile residual gas portion (16), the aforementioned second distillation vapor stream and the said combined vapor stream. Come to heat as mentioned above Is attained in one or more of the heat exchange pathways. To supply at least part of the cooling part of steps (2), (6) and (10) and (17), the volume and temperature of the aforementioned feed currents fed to the first adsorption path. and The second sorbent path was effective in maintaining the temperature of the above region of the The first adsorption route mentioned at temperature In which the main part of the components is relatively volatile Less than the aforementioned, Cougur 2. Process according to claim 1, where (a) the aforementioned cooled part is combined with the aforementioned second cooled section for (6) Partially condensed gas flows are supplied to additional separation paths and are separated in them to provide at least one vapor and liquid stream (c). The aforementioned vapor flows are divided into the aforementioned first and second currents and p. 3 of the 14 p (d). At least part of at least one of the aforementioned liquid flows is expanded to the Lower than And is fed to the aforementioned processing components under the second absorption path. 3. The process of claim 2 where (i) the foregoing first current is combined with at least one part of the current (Ii) The aforementioned combined currents are cooled to condense all of the combined currents. The above is important. And after that it was expanded to lower pressure. Which by means of that the combined current (Iii) the aforementioned cooled combined stream was fed as mentioned during (Iv) any remainder of the first and second adsorption routes. Of one or more of the above flows being expanded To a lower stasis than the above And is fed to the aforementioned processing components under The aforementioned second absorbent path and above the aforementioned heat and mass transfer path and (v) the aforementioned second distillation vapor stream and the aforementioned combined vapor stream. Come to the heat of the above It is achieved in one or more heat exchanger pathways to supply at least part of the cooling process of steps (2), (10) and (ii). The second where the additional intersections mentioned are in the section The processing of the aforementioned 5. Process according to claim 3 where the additional intersection path is in the parts. 6. Process according to claim 2, where (1) the aforementioned heat transfer routes and masses are arranged in the upper and lower resistance regions, and (2) at least in part. That was the expansion of at least one liquid stream. The above is supplied to the aforementioned processing components to enter between the upper resistance area and the Page 4 of 14 pages 7. Process according to claim 3, where (1) the aforementioned heat and mass transfer paths are Arrange in the top and bottom areas and (2) any rest. Being expanded to one or more of the above liquid flows The above is supplied to the aforementioned processing components to enter between the top and Below the above of the aforementioned thermal and mass transfer paths. 8. Process according to claim 4, where (1) the aforementioned heat and mass transfer paths are arranged in the upper region. And below and (2) at least one the aforementioned expanded portion of at least one liquid stream. The above is supplied to the aforementioned processing components to enter between the top and Below the above of the aforementioned thermal and mass transfer paths 9. Process according to claim 5, where (1) the aforementioned heat and mass transfer paths are arranged in the upper region. And below, and (2) any previously amplified remainder of at least one liquid stream. The above is supplied to the aforementioned processing components to enter between the top and Below the above of the aforementioned thermal and mass transfer paths 1 0. Process according to claim 1 where (1) the gas collection path is in the aforementioned processing components (2). Additional heat and mass transfer paths are included within the aforementioned gas collection paths, the aforementioned heat transfer paths and additional masses, including one or more lines. For the external cooling medium (3), the aforementioned cooled gas stream is supplied to the aforementioned gas collection path. And are taken to the aforementioned additional heat and mass transfer paths to be further cooled by The aforementioned external cooling medium and (4) the aforementioned additional cooled gas streams are divided into primary and current. Second, page 5 of the number 14 Page 1 1. Process according to claims 5, 6, 7, 8, 9, 2 or 3, where (1) the heat transfer route and The additional mass is included within the aforementioned additional intersection pathways, and the aforementioned additional heat transfer and mass pathways, including one or more lines. For the external cooling medium (2) the aforementioned vapor stream is directed to the aforementioned additional heat and mass transfer paths. To be cooled by the aforementioned external cooling medium to form the effect liquid Additional condensation and (3) liquids The additional condensation effect mentioned above becomes part of the liquid stream. At least one of the aforementioned currents separated in it 1 2. Process of claim 1, 4, 5, 6, 7, 8, 9, 10, 2 or 3, any of which (1) The aforementioned condensed currents are divided into first reflux currents and second reflux currents. (2) The aforementioned first reflux currents are fed to the aforementioned first adsorption paths and (3). ) The aforementioned secondary reflux current is fed to the processing component. Under the aforementioned second absorption path and above the aforementioned heat and mass transfer path 1 3. Process according to claim 11, where (1) the aforementioned condensed currents are It is divided into first reflux current and second current (2). The above first reflux current is fed the aforementioned upper resistance to the absorption path. The first of the above and (3) the second reflux current is fed to the processing assembly. Under the second adsorption path and above the heat and mass transfer path 1 4. Process according to claim 1, 4, 5, 6, 7, 8, 9, Any 10, 2 or 3 where the aforementioned thermal and mass pathways include one or more lines for the medium. External heating to complement the heating supplied by the aforementioned second part for chasing As mentioned above, more volatile components are drawn from the liquid stream of the aforementioned distillation. Page 6 of the number 14 Page 1 5. Process in accordance with claim 11, where the method of heat transfer and the said mass. Comes including one or more lines for the external heating medium to complement the Heat supplied by the aforementioned second part for the aforementioned chasing of the volatile component. More than the above from the liquid stream of the aforementioned distillation 1 6. Process according to claim 12, where the heat and mass transfer paths are Comes including one or more lines for the external heating medium to complement the Heat supplied by the aforementioned second part for the aforementioned chasing of the volatile component. More than the above from the liquid stream of the aforementioned distillation 1 7. Process according to claim 13, where the heat and mass transfer paths are Comes including one or more lines for the external heating medium to complement the Heat supplied by the aforementioned second part for the aforementioned chasing of the volatile component. More than the above from the liquid stream of the aforementioned distillation 1 8. One device for separating methane streams, c2 components, C3 components, and heavier hydrocarbon components. Into volatile residual gas and the Relatively less volatile with the main c2 component, c3 component, and component. Heavier hydrocarbons than the above Or a heavy c3 component and a heavy hydrocarbon component Than the foregoing It includes: (1) the first division path to divide the aforementioned gas stream into the first and the second; (2) the heat exchanger path connected to the aforementioned first division path to obtain (3) the heat and mass transfer paths present in the component parts. Single and connected with the aforementioned division path to take the second mentioned and complete the second. (4) the first integral path is connected to the aforementioned heat exchanger path and The aforementioned thermal and mass transfer paths to obtain the aforementioned first and second parts. (5) The second division path is connected to the aforementioned combined path to obtain the current. The aforementioned cooled gas and divides the aforementioned cooled gas streams into first and second currents (6). The aforementioned heat exchanger pathway is further connected to the division. The second mentioned to get the first mentioned current and keep that first current cold enough to condense. (7) The first expansion path was connected to the aforementioned heat exchanger path. Take the aforementioned Significant First Current and make the Critical Concentrated First Current (8) the first and second sorption routes in the aforementioned processing components and the Connect to the aforementioned first expansion path to get the aforementioned chilled first stream. In the form of feeding between the first and the second adsorption routes mentioned. Which way of absorbing the first (9) The second expansion path is connected to the aforementioned second division to receive The second current is mentioned and the second current expands to a lower pressure than the above. In which the aforementioned second expansion path was further connected with the aforementioned second absorption path to pay. (10) The method for collecting liquids contained in the aforementioned processing components and that was Connected to the aforementioned second sorbent path to get the liquid stream of the distillation from the bottom area of The second absorbent path (11) the heat transfer path and the aforementioned mass being further connected to the storage path. Collect the aforementioned liquids to receive the liquid stream of the aforementioned distillation and make the liquid stream. Of the distillation is heated to supply at least part of the cooling of step (3) while removing the more volatile components from the liquid stream of the aforementioned distillation at the same time and after It releases a liquid stream of the distillation that is heated and expelled the aforementioned gas. Out of the aforementioned processing components in the form of a relatively less volatile part than the above page 8 of the number 14 (12) The first vapor collection method contained in the aforementioned processing component and the Connected to the aforementioned heat and mass transfer paths to receive the vapor stream of the first distillation from Above the heat transfer path and the aforementioned mass (13) the aforementioned heat exchanger path was further connected to the collection path. First of the aforementioned vapor streams to receive the aforementioned first distillation vapor streams and to conduct the distillate vapor stream The first stream was cooled enough to condense at least part of the first distillation vapor path (14). The separation path was connected to the aforementioned heat exchanger path to receive the current. The vapor of the first distillation was condensed at least partly above. And separate the steam of the Distill at least some of the first condensed currents into condensed currents and currents. The condensed vapor containing any non-condensation vapor left after the first distillation stream said. (15) The first of the aforementioned absorbent pathway was further connected with the aforementioned intersection to obtain At least part of the condensed current mentioned in the above feeding form goes to that path (16) the second vapor collection path contained in the aforementioned processing component and that was Connected to the first adsorption path as above to receive the second distillation vapor stream from the upper area. (17) The aforementioned heat exchanger path was further connected to the collection path. Second of the aforementioned vapor streams to receive the aforementioned second distillation vapor stream and make the second distillation vapor stream. Such a second current is heated to supply at least part of the cooling of step (13) (18), the second combined path connected to the aforementioned heat exchanger path, and The aforementioned separation path to obtain the aforementioned heated second distillation vapor stream and The aforementioned stream of steam (19) The aforementioned heat exchanging path is further connected to the second combined path. To receive the aforementioned combined vapor stream and heat the combined vapor stream to supply To at least part of the cooling part of steps (2) and (6), and after that discharge the current The heated aggregate vapor mentioned in the form of the aforementioned evaporative residual gas portion and (20) a controlled route adjusted to control the amount and temperature of the aforementioned feed currents. The above adsorption paths were fed to the first adsorption path and the aforementioned second adsorption pathways to maintain the temperature of the region page 9 of the 14 pages above. Of the components in the volatile part, somewhat less than the foregoing, were returned. 1. 9. Equipment according to claim 18, where (a) the aforementioned collective route was adjusted to receive the first part cooled. The foregoing and The second part that was cooled above. (B) An additional path of separation was connected to the first of the aforementioned combined pathways to obtain Partially condensed gas stream mentioned above And separating the condensed gas stream Some of the above are vapor and liquid flows, at least one (c) of the aforementioned second path is connected to the additional separation path mentioned. Come to receive the aforementioned steam And (d) the third expansion path is connected to the aforementioned additional separation pathways for Acquire at least part of at least one of the aforementioned liquid flows. And make at least part One or more of the aforementioned liquid flows expands to a lower stiffness than the aforementioned third expansion path is further connected with the aforementioned processing components to supply the At least the aforementioned amplified portion of at least one of the aforementioned liquid flows is directed towards the component beneath the second adsorption path and above the path. Transfer of heat and the aforementioned 2 0. Equipment according to claim 19, where (0 third combined path is connected to the aforementioned second division path and The additional separation path mentioned above To get the first aforementioned and at least part of the current At least one of the above flows (Ii) The aforementioned heat exchanger path is further connected to the combined path. Third, the aforementioned to get the aforementioned combined flow. And cool the combined flow (Iii) The first amplification path was connected to the heat exchanger path. Above to receive a concentrated stream that is significantly condensed. And thus the combined stream that was The aforementioned critical condensation expands to a lower stagnation than page 10 of the 14 pages (iv). The first sorbent path and the aforementioned second sorbent path have been connected to the sorbents. The above amplified to receive the aforementioned cooled combined stream. Is the said input And (v) the third expansion path is connected to the aforementioned additional separation pathways to obtain Any residual of at least one of the above liquid flows And causes any of the above remnants of at least one of the aforementioned liquid flows to expand to the lower stiffness mentioned. The third extension method has been further connected with the said processing components. To supply any the aforementioned amplified remainder of at least one of the aforementioned fluid flows is the feed of the aforementioned to the component beneath the second aforementioned absorbent path and above the path. Transfer of heat and the aforementioned mass 2 1. Equipment according to claim 19, where the first of the aforementioned separation path is in the parts. Processing of the aforementioned 2. 2. Equipment in accordance with Clause 20, where the additional separation path mentioned is in the section. 2 3. Equipment according to claim 19, where (1) the aforementioned heat transfer paths and masses are arranged in the upper and lower regions, and (2) the assembly components. The above transformations were connected to a third way of expansion. Above to obtain at least one of the aforementioned amplified part of at least one liquid stream. The above, and brings at least one of the aforementioned expanded part of the liquid stream. The aforementioned currents between the above and below regions of the aforementioned thermal and mass transfer paths 2 4. Equipment according to claim 20, where (1) the thermal and mass transfer path The above are arranged in the upper and lower regions, and (2) the above processing components are connected to a third expansion path. To obtain any of the aforementioned expanded residuals of at least one of the aforementioned 14-page fluid flows, and to bring at least one such amplified remainder of the liquid currents. Said flow Between the above and below areas of the aforementioned thermal and mass transfer paths 2 5. Equipment according to claim 21, where (1) the aforementioned heat and mass transfer path Are arranged in the upper and lower regions, and (2) the aforementioned processing components are connected to a third expansion path. Above to obtain at least one of the aforementioned amplified part of at least one liquid stream. The above, and brings at least one of the aforementioned expanded part of the liquid stream. The aforementioned currents between the above and below regions of the aforementioned thermal and mass transfer paths 2 6. Equipment according to claim 22, where (1) heat and mass transfer paths. The above are arranged in the upper and lower regions, and (2) the aforementioned processing components are connected to the aforementioned third expansion path. To obtain any aforementioned amplified remainder of at least one of the aforementioned liquid flows And conduct any expanded remainder of at least one of the above liquid flows Between the above and below areas of the aforementioned thermal and mass transfer paths 2 7. Equipment according to claim 18, where (1) the gas collection path is in the processing assembly at (2) The heat transfer path and additional mass are included within the aforementioned gas collection path, the aforementioned heat transfer path and mass, including one or more paths. For the external cooling medium (3), the aforementioned gas collection path was connected to the aforementioned collective routes to obtain The aforementioned cooled gas stream And bring the cooled gas stream to the means of transfer Heat and the additional mass mentioned to be further cooled by the cooling medium from The aforementioned exterior and page 12 of the 14 pages (4). The second division path was adjusted so that it was connected to the gas collection path. To obtain the aforementioned additional cooled gas stream And divides the stream of cooled gas 2 8. The device according to Clause 21, 22, 23, 24, 25, 26, 19 or 20, either where (1) the path. Additional heat and mass transfers are included within the aforementioned intersection paths, the aforementioned heat and mass transfer paths, as well as one or more paths for External cooling medium (2) The aforementioned vapor flows are directed to the aforementioned additional heat and mass transfer paths. To be cooled by the aforementioned external cooling medium to form the effect liquid Additional condensation and (3) liquids The additional condensation effect mentioned above becomes part of the liquid stream. At least one of the aforementioned currents separated in it 2. 9. Equipment according to claim 18, where (1) the third division path is connected to the aforementioned separation path to receive the correct current. Condenses thereof and divides the condensed current into the first reflux current and At least the second current (2). The first adsorption pathway was adjusted to be connected to the aforementioned third path. To obtain the first reflux current mentioned in the above feeding form to the aforementioned absorption path and (3) the aforementioned thermal and mass transfer paths are adjusted to be connected. With the way Divide the aforementioned third to get the aforementioned second reflux current in the above feeding figure to the path. Transfer such heat and mass 3. 0. Device in accordance with Clause 21, 22, 23, 24, 25, 26, 27, 19 or 20, where (1) the third method of division is Connect with the aforementioned isolation path to get the correct current. Condensation as mentioned And divide that condensed current into the first reflux current and The second stream is at least 13 of the 14 pages (2). The first absorbing path was adjusted to be connected to the aforementioned third path. To obtain the first reflux current mentioned in the above feeding form to the aforementioned absorption path and (3) the aforementioned thermal and mass transfer paths are adjusted to be connected. With the way Divide the aforementioned third to get the aforementioned second reflux current in the above feeding figure to the path. Transfer heat and mass thereof 3. 1. Equipment according to claim 28, where (1) the third partition is connected to the aforementioned intersection path to receive the correct current. Condenses the aforementioned and divides it into at least the first reflux and second currents (2). The first adsorption path was adjusted to be connected to the said third. come To obtain the first reflux current mentioned in the above feeding form to the aforementioned absorption path and (3) the aforementioned thermal and mass transfer paths are adjusted to be connected. With the way Divide the aforementioned third to get the aforementioned second reflux current in the above feeding figure to the path. Transfer heat and mass thereof 3. 2. Any equipment according to claim 18, 21, 22, 23, 24, 25, 26, 27, 29, 19 or 20, where the aforementioned thermal and mass transfer paths include the One or more genres For the external heating medium to complement the heating, which is supplied by the aforementioned second section. For removing more volatile components from the liquid stream of the aforementioned distillation 3. 3. Equipment according to claim 28, where the aforementioned thermal and mass transfer routes Including one or more lines for the external heating medium to enhance the heating Hot, which is supplied by the aforementioned second for the removal of more volatile components than the above. From the liquid stream of the foregoing distillation 3 4. Equipment according to claim 30, where the aforementioned thermal and mass transfer routes Including one or more lines for the external heating medium to complement the 14-page heating, supplied by the second of the above for the evaporation of the above-mentioned volatile components. From the liquid stream of the foregoing distillation 3 5. Equipment according to claim 31, where the aforementioned heat and mass transfer devices Including one or more lines for the external heating medium to enhance the heating Hot, which is supplied by the aforementioned second for the removal of more volatile components than the above. From the liquid stream of the aforementioned distillation ------------ 1. A process for separating the gas stream containing the C2 component, the C3 component, and the heavier hydrocarbon component into a residual gas fraction. Volatile, and the volatile part is somewhat less than that of the main components. C2, C3 component and heavier hydrocarbon component, or C3 component and heavier hydrocarbon component, where (1) the aforementioned gas flow is divided into the first part and the second (2) part. (3) The aforementioned second part was cooled (4) the aforementioned first part was combined with the second part that was cooled to create a stream of cooled gas (5) a gas stream. The aforementioned chilled currents are divided into first and second currents (6). The first of these currents is cooled to condense all of them literally, and after that are expanded to a lower pressure which is The point where the current was further cooled (7). The first amplified first chilled current was fed between the first and second sorbent equipment in the processing assembly where the first adsorbed device was used. Above the second sorbent device (8), the second second current is expanded to lower pressure and fed to the bottom to the second sorbent device. (9) The distillation fluid stream is collected from the bottom of the second sorption device. Comes and is heated in the heat transfer equipment and the mass contained in the aforementioned processing components to allow cooling at least part of step (3) while removing the more volatile components from the The liquid stream of the aforementioned distillation at the same time and thereafter releases the liquid stream of the distillation that is heated and expelled the said gas from the aforementioned processing components in a somewhat less volatile form. (10) The first distillation vapor stream was collected from the top of the heat transfer device and the aforementioned mass and cooled enough to condense at least part of the vapor stream (11). The vapor flow of at least part of the first condensation current is supplied to the separation device and separated in the separation device to generate condensed and residual currents with any non-condensed vapor. Which remains after the first of the aforementioned distillation vapors are cooled (12) At least one of the aforementioned condensed currents are fed above to the first of the aforementioned adsorption devices (13). The second distillation vapors are collected from the upper area of the suction device. The aforementioned second distillation stream is combined with any of the aforementioned residual vapor streams to produce a combined vapor stream (15 ) The aforementioned combined vapor stream is heated, then releasing the aforementioned combined heat stream to form the aforementioned volatile residual gas portion (16). Two of the foregoing and the aforementioned combined vapor stream are heated as above, can be done in one or more heat exchanger to provide at least one part of the cooling in step (2) (6). And (10) (17) the amount and temperature of the aforementioned feed currents fed to the first and second sorbents are effective in maintaining the temperature of the above areas of the sorbent. The first mentioned at temperature, which is where the main parts of the components in the relatively less volatile part were recovered.