SU1491552A1 - Column - Google Patents
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- SU1491552A1 SU1491552A1 SU874207287A SU4207287A SU1491552A1 SU 1491552 A1 SU1491552 A1 SU 1491552A1 SU 874207287 A SU874207287 A SU 874207287A SU 4207287 A SU4207287 A SU 4207287A SU 1491552 A1 SU1491552 A1 SU 1491552A1
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Abstract
Изобретение относитс к нефтеперерабатывающей, нефтехимической и газовой промышленности и может быть использовано в процессах ректификации и абсорбции. Изобретение позвол ет повысить разделительную способность колонны за счет создани эффективного контакта пара и жидкости в зоне питани колонны. Колонна включает корпус 1, два тангенциально расположенных штуцера 2, горизонтальную перегородку 3, насадочный блок 4 и спиральную перегородку 5, раздел ющую по высоте насадочный блок на две раздельные по ходу пара секции, центры которых выполнены соосными или смещенными в сторону от штуцеров. 4 ил.This invention relates to the refining, petrochemical, and gas industries and can be used in rectification and absorption processes. The invention makes it possible to increase the separation capacity of a column by creating an effective contact of steam and liquid in the feed zone of the column. The column includes a housing 1, two tangentially located fittings 2, a horizontal partition 3, a packing block 4 and a spiral partition 5, which separates the packing block in height into two separate sections along the steam, the centers of which are made coaxially or offset from the fittings. 4 il.
Description
СО СПSO JV
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Изобретение относитс к нефтеперерабатывающей , нефтехимической и газовой пpoмышлe нocти и может быть использовано в процессах ректифика- ции и абсорбции, в частности в вакуумных колоннах установок АВТ„The invention relates to oil refining, petrochemical and gas industry and can be used in the processes of rectification and absorption, in particular in vacuum columns of AVT installations.
Целью изобретени вл етс повышение разделительной способности колонны за счет создани эффективного контакта пара и жидкости в зоне питани колонны.The aim of the invention is to increase the separation capacity of the column by creating an effective contact of steam and liquid in the feed zone of the column.
На фиго показана конструкци двухпоточного узла ввода парожидко- стной смеси в колонну с перекрестно- точным кольцевым насадочным блоком, разделенньм на соосные секции спиральной перегородкой; на фиг.2 - разрез А-А на фиг.1; на фиг.З - конструкци Двухпоточного узла ввода смеси в колонну со смещенными секци ми насадочного перекрестно-точного блока; на фиг.4 - разрез Б-Б на фиг о 3.Figo shows the structure of a double-flow steam-liquid mixture injection unit in a column with a cross-precision annular packing unit, divided into coaxial sections by a spiral partition; figure 2 - section aa in figure 1; FIG. 3 shows the construction of a Double Flow blend entry unit into a column with offset sections of a packed cross-precision block; figure 4 - section bb in Fig about 3.
Колонна содержит корпус 1, два тангенциально расположенных штуцера 2, горизонтальную перегородку 3, на- садочный блок 4 и спиральную перегородку 5сThe column includes a housing 1, two tangentially located fittings 2, a horizontal partition 3, the mounting block 4 and a spiral partition 5c
Колонна работает следующим об- разомоThe column operates as follows.
Парожидкостна смесь входит в корпус 1 в кольцевое периферийное пространство колонны через два тангенциально расположенных штуцера 2,, Это пространство ограничено как корпусом колонны, так горизонтальной перегородкой 3 и боковой стенкой насадочного блока 4. Парожидкостный поток н своем пути соудар етс со стыками ко пуса колонны и горизонтальной перегородкой 3. При этом жидкость за сче центробежной силы прижимаетс к корпусу колонны, а за счет разности давлени в периферийной и центральной част х колонны проходит сквозь насадку в перекрестном токе, контактиру со стекающей по насадке жидкостью.The vapor-liquid mixture enters the casing 1 into the annular peripheral space of the column through two tangentially located fittings 2 ,, This space is limited both by the column casing, horizontal partition 3 and the side wall of the packed block 4. The liquid-vapor flow collides in its path with the joints of the casing column and horizontal partition 3. At the same time, the liquid is pressed against the body of the column by centrifugal force, and due to the pressure difference in the peripheral and central parts of the column passes through the nozzle in ekrestnom current contact with the liquid flowing down the packing.
Дп того, чтобы исключить воздействие двух потоков парожидкостной смеси друг на друга, в периферийной части колонны выполнена спиральна перегородка 5, раздел юща насадоч- ный блок на две секции.. Вследствие того, что по пути движени смеси по- ток пара уменьшаетс в объеме, создание примерно одинаковой скорости паров в насадке обеспечиваетс выполнением секции с постепенным со552-In order to eliminate the effect of the two streams of the vapor-liquid mixture on each other, a spiral partition 5 is made in the peripheral part of the column, dividing the packing block into two sections. Due to the fact that the steam flow decreases in the flow path of the mixture, The creation of approximately the same velocity of the vapor in the packing is ensured by the implementation of the section with gradual reduction
кращением сечени прохода пара через боковую стенку. Такое постепенное сокращение сечени прохода пара в секци х достигаетс за счет наклонного расположени спиральной перегородки . В области между штуцерами спиральна перегородка имеет плавный пе реход к горизонтальному участку,раздел ющему блок насадки на равные высоты . В этой области происходит равнозначное концевое распределение пара из обоих потоков смеси.by cutting the passage of steam through the side wall. Such a gradual reduction in the cross section of the steam passage in the sections is achieved by the inclined arrangement of the spiral partition. In the area between fittings, the spiral partition has a smooth transition to a horizontal section that separates the nozzle block at equal heights. In this region, an equivalent terminal distribution of steam from both flows of the mixture occurs.
Дп того, чтобы исключить ударное воздействие парожидкостных потоков На насадку в зоне расположени штуцеров , штуцера в колонне выполнены по расход щимс ос м и расположены касательно к боковой поверхности бло каоIn order to exclude the impact of vapor-liquid flows. The nozzle in the area of the fittings, the fittings in the column are made along diverging axes and are located tangentially to the side surface of the block.
С целью создани йачального разнонаправленного движени потоков вдоль секций (к низу и к верху колонны ) штуцера в узле ввода сориентированы в соответствии с направлением наклона спиральной перегородки.In order to create a multi-directional movement of the flows along the sections (to the bottom and to the top of the column), the choke in the input unit is oriented in accordance with the direction of inclination of the spiral partition.
При выполнении штуцеров в колонне разнонаправленно по расход щимс ос м обеспечиваетс более полное использование рабочего объема колонны. При этом в сравнении с параллельным расположением штуцеров достигаетс меньший объем периферийной части колонны и, следовательно, меньшие габариты колонны или же при равных габаритах колонны больша поверхность насадочного блока.When performing fittings in a column in different directions along the axes, more complete utilization of the working volume of the column is provided. In this case, in comparison with the parallel arrangement of fittings, a smaller volume of the peripheral part of the column and, consequently, smaller dimensions of the column is achieved, or, with equal dimensions of the column, a larger surface of the packed block.
Кроме того, выполнение штуцеров по расход цимс ос м позвол ет обеспечить больший путь прохождени потоком периферийной части колонны, а следовательно, более эффективную сепарацию жидкости за счет увеличени центробежной силыо In addition, the execution of fittings for the flow rate of the circuits allows for a longer path for the flow of the peripheral part of the column, and consequently, a more efficient separation of the liquid by increasing the centrifugal force.
Эффективный контакт пара и жидкости -в насадке создаетс при равномерном распределении как жидкости, так и пара. Дп достижени равномерного распределени потока пара по поверхности насадки, особенно в наличии значительного объема пара в парожидкостной смеси, создание первоначального распределени парожидкостной смеси в узле ввода имеет важное значение. Улучшенное первоначальное распределение потоков в узле ввода достигаетс как за счет выполнени штуцеров разнонаправленно по расход щимс ос м, так и за счет увелиEffective contact of vapor and liquid — in the nozzle is created with the uniform distribution of both liquid and vapor. To achieve an even distribution of the steam flow over the nozzle surface, especially in the presence of a significant amount of steam in the vapor-liquid mixture, creating the initial distribution of the vapor-liquid mixture in the injection unit is important. An improved initial distribution of flows in the input unit is achieved both by performing fittings in different directions along the diverging axes, and by increasing
51Д51D
чени свободного пространства в зоне расположени штуцеров. Последнее в полной мере достигаетс за счет выполнени секций со смещенным центром в сторону от соответствующего штуцера .chenii free space in the area of the fittings. The latter is fully achieved by making sections with an offset center away from the corresponding nozzle.
Таким образом, использование предлагаемой конструкции узла двухпоточ- ного ввода парожидкостной смеси с перекрестно-точным насадочным блоком, разделенным на секции спиральной перегородкой , позвол ет обеспечить создание эффективного контакта пара и жидкости в области зоны питани ко- лонны и, следовательно, повысить разделительную способность колонны в целом.Thus, the use of the proposed design of a double-flow injection unit for a vapor-liquid mixture with a cross-point packing unit, divided into sections by a spiral partition, makes it possible to create an effective contact of steam and liquid in the region of the column feed zone and, consequently, increase the separation capacity of the column generally.
Claims (3)
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SU874207287A SU1491552A1 (en) | 1987-03-09 | 1987-03-09 | Column |
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SU874207287A SU1491552A1 (en) | 1987-03-09 | 1987-03-09 | Column |
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Cited By (20)
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WO2005113715A3 (en) * | 2004-05-21 | 2006-02-16 | Exxonmobil Chem Patents Inc | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
US7090765B2 (en) | 2002-07-03 | 2006-08-15 | Exxonmobil Chemical Patents Inc. | Process for cracking hydrocarbon feed with water substitution |
US7097758B2 (en) | 2002-07-03 | 2006-08-29 | Exxonmobil Chemical Patents Inc. | Converting mist flow to annular flow in thermal cracking application |
US7138047B2 (en) | 2002-07-03 | 2006-11-21 | Exxonmobil Chemical Patents Inc. | Process for steam cracking heavy hydrocarbon feedstocks |
US7193123B2 (en) | 2004-05-21 | 2007-03-20 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation |
US7220887B2 (en) | 2004-05-21 | 2007-05-22 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid |
US7235705B2 (en) | 2004-05-21 | 2007-06-26 | Exxonmobil Chemical Patents Inc. | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks |
US7244871B2 (en) | 2004-05-21 | 2007-07-17 | Exxonmobil Chemical Patents, Inc. | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids |
US7247765B2 (en) | 2004-05-21 | 2007-07-24 | Exxonmobil Chemical Patents Inc. | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel |
US7285697B2 (en) | 2004-07-16 | 2007-10-23 | Exxonmobil Chemical Patents Inc. | Reduction of total sulfur in crude and condensate cracking |
US7297833B2 (en) | 2004-05-21 | 2007-11-20 | Exxonmobil Chemical Patents Inc. | Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors |
US7311746B2 (en) | 2004-05-21 | 2007-12-25 | Exxonmobil Chemical Patents Inc. | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
US7312371B2 (en) | 2004-05-21 | 2007-12-25 | Exxonmobil Chemical Patents Inc. | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors |
US7351872B2 (en) | 2004-05-21 | 2008-04-01 | Exxonmobil Chemical Patents Inc. | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace |
US7358413B2 (en) | 2004-07-14 | 2008-04-15 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7402237B2 (en) | 2004-10-28 | 2008-07-22 | Exxonmobil Chemical Patents Inc. | Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter |
US7408093B2 (en) | 2004-07-14 | 2008-08-05 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7413648B2 (en) | 2004-05-21 | 2008-08-19 | Exxonmobil Chemical Patents Inc. | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking |
US7820035B2 (en) | 2004-03-22 | 2010-10-26 | Exxonmobilchemical Patents Inc. | Process for steam cracking heavy hydrocarbon feedstocks |
US8173854B2 (en) | 2005-06-30 | 2012-05-08 | Exxonmobil Chemical Patents Inc. | Steam cracking of partially desalted hydrocarbon feedstocks |
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1987
- 1987-03-09 SU SU874207287A patent/SU1491552A1/en active
Non-Patent Citations (1)
Title |
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Авторское свидетельство СССР 1039536, кл, В 01 D 53/20, 1982. * |
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US7097758B2 (en) | 2002-07-03 | 2006-08-29 | Exxonmobil Chemical Patents Inc. | Converting mist flow to annular flow in thermal cracking application |
US7138047B2 (en) | 2002-07-03 | 2006-11-21 | Exxonmobil Chemical Patents Inc. | Process for steam cracking heavy hydrocarbon feedstocks |
US7820035B2 (en) | 2004-03-22 | 2010-10-26 | Exxonmobilchemical Patents Inc. | Process for steam cracking heavy hydrocarbon feedstocks |
US7247765B2 (en) | 2004-05-21 | 2007-07-24 | Exxonmobil Chemical Patents Inc. | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel |
US7470409B2 (en) | 2004-05-21 | 2008-12-30 | Exxonmobil Chemical Patents Inc. | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks |
US7244871B2 (en) | 2004-05-21 | 2007-07-17 | Exxonmobil Chemical Patents, Inc. | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids |
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US7297833B2 (en) | 2004-05-21 | 2007-11-20 | Exxonmobil Chemical Patents Inc. | Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors |
US7311746B2 (en) | 2004-05-21 | 2007-12-25 | Exxonmobil Chemical Patents Inc. | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
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US7351872B2 (en) | 2004-05-21 | 2008-04-01 | Exxonmobil Chemical Patents Inc. | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace |
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US7431803B2 (en) | 2004-05-21 | 2008-10-07 | Exxonmobil Chemical Patents Inc. | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks |
US7235705B2 (en) | 2004-05-21 | 2007-06-26 | Exxonmobil Chemical Patents Inc. | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks |
US7488459B2 (en) | 2004-05-21 | 2009-02-10 | Exxonmobil Chemical Patents Inc. | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking |
US7544852B2 (en) | 2004-05-21 | 2009-06-09 | Exxonmobil Chemical Patents Inc. | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace |
US7553460B2 (en) | 2004-05-21 | 2009-06-30 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation |
US7220887B2 (en) | 2004-05-21 | 2007-05-22 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid |
US7588737B2 (en) | 2004-05-21 | 2009-09-15 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid |
US7670573B2 (en) | 2004-05-21 | 2010-03-02 | Exxonmobil Chemical Patents Inc. | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids |
US7641870B2 (en) | 2004-07-14 | 2010-01-05 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7408093B2 (en) | 2004-07-14 | 2008-08-05 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7776286B2 (en) | 2004-07-14 | 2010-08-17 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7358413B2 (en) | 2004-07-14 | 2008-04-15 | Exxonmobil Chemical Patents Inc. | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks |
US7285697B2 (en) | 2004-07-16 | 2007-10-23 | Exxonmobil Chemical Patents Inc. | Reduction of total sulfur in crude and condensate cracking |
US7402237B2 (en) | 2004-10-28 | 2008-07-22 | Exxonmobil Chemical Patents Inc. | Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter |
US8173854B2 (en) | 2005-06-30 | 2012-05-08 | Exxonmobil Chemical Patents Inc. | Steam cracking of partially desalted hydrocarbon feedstocks |
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