RU2557151C2 - Air cooler and cleaner for air cryogenic distillation plant - Google Patents

Air cooler and cleaner for air cryogenic distillation plant Download PDF

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Publication number
RU2557151C2
RU2557151C2 RU2013105495/06A RU2013105495A RU2557151C2 RU 2557151 C2 RU2557151 C2 RU 2557151C2 RU 2013105495/06 A RU2013105495/06 A RU 2013105495/06A RU 2013105495 A RU2013105495 A RU 2013105495A RU 2557151 C2 RU2557151 C2 RU 2557151C2
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cylinders
building
air
cooling tower
cooling
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RU2013105495/06A
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Russian (ru)
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RU2013105495A (en
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Патрис КАВАНЬ
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Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04157—Afterstage cooling and so-called "pre-cooling" of the feed air upstream the air purification unit and main heat exchange line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04163—Hot end purification of the feed air
    • F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/0489—Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box, e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/30—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
    • F25J2205/32—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes as direct contact cooling tower to produce a cooled gas stream, e.g. direct contact after cooler [DCAC]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

FIELD: process engineering.
SUBSTANCE: invention relates to air processing plants. Proposed plant comprises building, cooling tower (1) for cooling by direct contact with water and two cleaning balloons (3A, 3B). Each of the latte has vertical axis, pipeline to feed water to cooling tower, pipeline to feed air thereto and pipeline for transfer of cooled air from cooling tower to cleaning balloons. There is the system (7) of valves and pipes for connection of both balloons with cooling tower. Note here that said system of valves and pipes is located inside said building (5) while both balloons and cooling tower are located there outside. Both balloons and system are arranged on both sides of building walls (9). Said balloons are arranged along the wall while cooling tower is located between two balloons.
EFFECT: decreased overall dimensions of the building intended for protection of the system of valves and pipes.
14 cl, 1 dwg

Description

Настоящее изобретение касается аппарата охлаждения и очистки воздуха, предназначенного для установки криогенной дистилляции воздуха.The present invention relates to an apparatus for cooling and air purification, intended for installation of cryogenic air distillation.

В аппарате разделения воздуха путем криогенной дистилляции воздух подвергается сжатию компрессором и затем охлаждается за счет прямого теплообмена с воздухом в градирне. После этого охлажденный воздух очищают. Циклы очистки в установках разделения воздуха позволяют в основном отделить воду и СО2 от воздуха перед входом в установку криогенной дистилляции, расположенной в холодильной камере. Система вентилей и трубопроводов обеспечивает транзит предназначенного для очистки воздуха и азота с примесями, который служит для регенерации очистных баллонов. Эта система вентилей и труб расположена на плоскости на земле и имеет большие габариты. Соотношение между высотой и длиной системы близко к 1.In an air separation apparatus by cryogenic distillation, air is compressed by a compressor and then cooled by direct heat exchange with air in a cooling tower. After that, the cooled air is cleaned. The cleaning cycles in the air separation units allow you to basically separate the water and CO 2 from the air before entering the cryogenic distillation unit located in the refrigeration chamber. The system of valves and pipelines provides the transit intended for the purification of air and nitrogen with impurities, which serves to regenerate treatment cylinders. This system of valves and pipes is located on a plane on the ground and has large dimensions. The ratio between the height and length of the system is close to 1.

Во время монтажа этой системы вентилей и трубопроводов внутри нового здания (по причине больших холодов или жары или по иной причине) стремятся уменьшить ширину этой системы, чтобы уменьшить ширину здания, которое необходимо построить. Точно так же при монтаже этой системы в уже существующем здании (скорее длинном, чем широком) тоже возникает необходимость уменьшения ширины этой системы трубопроводов и вентилей.During the installation of this system of valves and pipelines inside a new building (due to large cold or heat or for another reason), they try to reduce the width of this system in order to reduce the width of the building that needs to be built. Similarly, when installing this system in an existing building (rather long than wide), there is also a need to reduce the width of this system of pipelines and valves.

Одним из способов уменьшения ширины этой системы является увеличение длины этой системы за счет другого проектирования и расположения трубопроводов. Соотношение между высотой и шириной системы становится намного меньше 1.One way to reduce the width of this system is to increase the length of this system due to a different design and arrangement of pipelines. The ratio between the height and width of the system becomes much less than 1.

За счет этого увеличивается также промежуточное пространство этих очистных баллонов, соединенных с этой системой.Due to this, the intermediate space of these treatment cylinders connected to this system is also increased.

В документе ЕР-А-1672301 описан аппарат, охарактеризованный в ограничительной части пункта 1 формулы изобретения.EP-A-1672301 describes an apparatus described in the restrictive part of claim 1.

Согласно изобретению градирню для охлаждения воздуха за счет прямого контакта с водой устанавливают между двумя очистными баллонами.According to the invention, a cooling tower for air cooling due to direct contact with water is installed between two treatment cylinders.

Объектом изобретения является аппарат для охлаждения и очистки воздушного потока, содержащий градирню для охлаждения за счет прямого контакта с водой, два очистных баллона, каждый из которых имеет вертикальную ось, трубопровод для подачи воды в градирню, трубопровод для подачи воздуха в градирню, при этом градирня расположена между двумя баллонами, трубопровод для транспортировки охлажденного воздуха из градирни в очистные баллоны и систему вентилей и труб, позволяющих соединить оба баллона с градирней, отличающийся тем, что аппарат содержит здание, при этом система находится внутри здания, а оба баллона и градирня находятся снаружи здания, при этом оба баллона и система расположены по обе стороны от стены здания, при этом баллоны размещены вдоль стены.The object of the invention is an apparatus for cooling and purifying an air stream, comprising a cooling tower for cooling due to direct contact with water, two treatment cylinders, each of which has a vertical axis, a pipeline for supplying water to the cooling tower, a pipeline for supplying air to the cooling tower, wherein located between two cylinders, a pipeline for transporting cooled air from the cooling tower to the treatment cylinders and a system of valves and pipes allowing to connect both cylinders to the cooling tower, characterized in that the apparatus erzhit building wherein the system is located inside the building, and both the balloon and the cooling tower located outside the building, whereby both the container and the system are located on both sides of the building wall, wherein the cans are arranged along the wall.

Согласно другим факультативным отличительным признакам аппарата:According to other optional features of the apparatus:

- центр градирни в верхней проекции находится на центральной линии между центрами двух баллонов в верхней проекции;- the center of the tower in the upper projection is on the center line between the centers of the two cylinders in the upper projection;

- центры двух баллонов и градирни в верхней проекции образуют прямую линию;- the centers of two cylinders and cooling towers in the upper projection form a straight line;

- центры двух баллонов и градирни в верхней проекции образуют треугольник с тупым углом;- the centers of two cylinders and cooling towers in the upper projection form a triangle with an obtuse angle;

- здание содержит также, по меньшей мере, один компрессор, и/или, по меньшей мере, одну турбину, и/или, по меньшей мере, одну дистилляционную колонну;- the building also contains at least one compressor, and / or at least one turbine, and / or at least one distillation column;

- соотношение между размером системы в вертикальном направлении и размером в горизонтальном направлении меньше 1;- the ratio between the size of the system in the vertical direction and the size in the horizontal direction is less than 1;

- стена является самой длинной стеной здания, при этом здание имеет прямоугольное сечение;- the wall is the longest wall of the building, while the building has a rectangular section;

- соотношение между длиной стены и шириной здания превышает 2.- the ratio between the length of the wall and the width of the building exceeds 2.

Другим объектом изобретения является аппарат разделения воздуха, содержащий описанный выше аппарат охлаждения и очистки.Another object of the invention is an air separation apparatus comprising the cooling and cleaning apparatus described above.

Аппарат разделения воздуха может содержать компрессор в здании, который является воздушным компрессором, соединенным с градирней, и/или турбину в здании, которая является воздушной турбиной, соединенной с очистными баллонами, и/или дистилляционную колонну в здании, соединенную с очистными баллонами.The air separation apparatus may comprise a compressor in the building, which is an air compressor connected to the cooling tower, and / or a turbine in the building, which is an air turbine connected to the treatment cylinders, and / or a distillation column in the building, connected to the treatment cylinders.

Далее следует более подробное описание изобретения со ссылками на прилагаемую фигуру. На фиг.1 показан аппарат в соответствии с изобретением.The following is a more detailed description of the invention with reference to the accompanying figure. Figure 1 shows the apparatus in accordance with the invention.

Аппарат содержит градирню 1 для охлаждения за счет прямого контакта с водой, два очистных баллона 3А, 3В для очистки воздуха от воды и от СО2 и здание 5, содержащее, по меньшей мере, одну систему 7 труб и вентилей для обеспечения транспортировки воздуха, поступающего из градирни 1, в баллоны 3А, 3В. Некоторые из труб системы 7 проходят через стену 9 здания 5. Стена 9 является самой длинной стеной здания 5, которое имеет прямоугольное сечение. Соотношение между длиной стены 9 и шириной здания предпочтительно превышает 2.The apparatus contains a cooling tower 1 for cooling due to direct contact with water, two treatment cylinders 3A, 3B for purifying air from water and CO 2, and a building 5 containing at least one system 7 of pipes and valves for transporting air entering from tower 1 to cylinders 3A, 3B. Some of the pipes of the system 7 pass through the wall 9 of the building 5. Wall 9 is the longest wall of the building 5, which has a rectangular cross-section. The ratio between the length of the wall 9 and the width of the building is preferably greater than 2.

Соотношение между размером системы 7 в вертикальном направлении и размером в горизонтальном направлении меньше 1.The ratio between the size of the system 7 in the vertical direction and the size in the horizontal direction is less than 1.

Оба баллона 3А, 3B и градирня расположены вдоль стены 9 таким образом, что их центры в верхней проекции образуют прямую линию, параллельную стене. Градирня расположена на центральной линии между двумя баллонами.Both cylinders 3A, 3B and the cooling tower are located along the wall 9 so that their centers in the upper projection form a straight line parallel to the wall. The cooling tower is located on the central line between the two tanks.

Градирня 1 может находиться немного ближе или дальше от стены 9, чем два баллона 3А, 3В, таким образом, чтобы центры градирни и двух баллонов образовали треугольник с тупым углом.Tower 1 may be slightly closer or farther from wall 9 than two cylinders 3A, 3B, so that the centers of the tower and two cylinders form a triangle with an obtuse angle.

Здание 5 может также содержать компрессор, и/или турбину, и/или дистилляционную колонну аппарата разделения воздуха, в состав которого входит аппарат охлаждения и очистки.The building 5 may also comprise a compressor and / or a turbine and / or a distillation column of an air separation apparatus, which includes a cooling and cleaning apparatus.

Аппарат разделения воздуха может содержать компрессор в здании 5, который является воздушным компрессором, соединенным с градирней 1, и/или турбину в здании 5, которая является воздушной турбиной, соединенной с очистными баллонами 3А, 3В, и/или дистилляционную колонну в здании, соединенную с очистными баллонами 3А, 3В.The air separation apparatus may comprise a compressor in building 5, which is an air compressor connected to cooling tower 1, and / or a turbine in building 5, which is an air turbine connected to treatment cylinders 3A, 3B, and / or a distillation column in the building, connected with treatment cylinders 3A, 3B.

Claims (14)

1. Аппарат для охлаждения и очистки воздушного потока, содержащий градирню (1) для охлаждения за счет прямого контакта с водой, два очистных баллона (3А, 3В), каждый из которых имеет вертикальную ось, трубопровод для подачи воды в градирню, при этом градирня расположена между двумя баллонами, трубопровод для подачи воздуха в градирню и трубопровод для транспортировки охлажденного воздуха из градирни в очистные баллоны и систему (7) вентилей и труб, позволяющих соединить оба баллона с градирней, отличающийся тем, что содержит здание (5), при этом система находится внутри здания (5), а оба баллона и градирня находятся снаружи здания, при этом оба баллона и система расположены по обе стороны от стены (9) здания, при этом баллоны размещены вдоль стены.1. An apparatus for cooling and cleaning the air stream, comprising a cooling tower (1) for cooling due to direct contact with water, two treatment cylinders (3A, 3B), each of which has a vertical axis, a pipeline for supplying water to the cooling tower, while the cooling tower located between two cylinders, a pipeline for supplying air to the cooling tower and a pipeline for transporting chilled air from the cooling tower to the treatment cylinders and the system (7) of valves and pipes allowing to connect both cylinders to the cooling tower, characterized in that it contains the building (5), while from The system is located inside the building (5), and both cylinders and the tower are outside the building, while both cylinders and the system are located on both sides of the wall (9) of the building, while the cylinders are placed along the wall. 2. Аппарат по п.1, в котором центр градирни (1) в верхней проекции находится на центральной линии между центрами двух баллонов (3А, 3В) в верхней проекции.2. The apparatus according to claim 1, in which the center of the tower (1) in the upper projection is on the center line between the centers of the two cylinders (3A, 3B) in the upper projection. 3. Аппарат по п.1 или 2, в котором центры двух баллонов (3А, 3В) и градирни (1) в верхней проекции образуют прямую линию.3. The apparatus according to claim 1 or 2, in which the centers of two cylinders (3A, 3B) and cooling tower (1) in the upper projection form a straight line. 4. Аппарат по п.1 или 2, в котором центры двух баллонов (3А, 3В) и градирни (1) в верхней проекции образуют треугольник с тупым углом.4. The apparatus according to claim 1 or 2, in which the centers of two cylinders (3A, 3B) and cooling tower (1) in the upper projection form a triangle with an obtuse angle. 5. Аппарат по п.1, в котором здание (5) дополнительно содержит, по меньшей мере, один компрессор, и/или, по меньшей мере, одну турбину, и/или, по меньшей мере, одну дистилляционную колонну.5. The apparatus according to claim 1, in which the building (5) further comprises at least one compressor, and / or at least one turbine, and / or at least one distillation column. 6. Аппарат по п.1, в котором соотношение между размером системы (7) в вертикальном направлении и размером в горизонтальном направлении меньше 1.6. The apparatus according to claim 1, in which the ratio between the size of the system (7) in the vertical direction and the size in the horizontal direction is less than 1. 7. Аппарат по п.1, в котором стена (9) является самой длинной стеной здания (5), при этом здание имеет прямоугольное сечение.7. The apparatus according to claim 1, in which the wall (9) is the longest wall of the building (5), while the building has a rectangular section. 8. Аппарат по п.7, в котором соотношение между длиной стены (9) и шириной здания (5) превышает 2.8. The apparatus according to claim 7, in which the ratio between the length of the wall (9) and the width of the building (5) exceeds 2. 9. Аппарат по п.1, в котором градирня (1) находится ближе к стене (9), чем два баллона (3А, 3В).9. The apparatus according to claim 1, in which the tower (1) is closer to the wall (9) than two cylinders (3A, 3B). 10. Аппарат по п.1, в котором градирня (1) находится дальше от стены (9), чем два баллона (3А, 3В).10. The apparatus according to claim 1, in which the tower (1) is further from the wall (9) than two cylinders (3A, 3B). 11. Аппарат разделения воздуха, содержащий аппарат охлаждения и очистки по одному из пп.1-10.11. An air separation apparatus comprising a cooling and purification apparatus according to one of claims 1 to 10. 12. Аппарат разделения воздуха, содержащий аппарат охлаждения и очистки по п.5, в котором компрессор является воздушным компрессором, соединенным с градирней.12. An air separation apparatus comprising a cooling and purification apparatus according to claim 5, wherein the compressor is an air compressor connected to a cooling tower. 13. Аппарат разделения воздуха, содержащий аппарат охлаждения и очистки по п.5, в котором турбина является воздушной турбиной, соединенной с очистными баллонами.13. An air separation apparatus comprising a cooling and purification apparatus according to claim 5, wherein the turbine is an air turbine connected to treatment cylinders. 14. Аппарат разделения воздуха, содержащий аппарат охлаждения и очистки по п.5, в котором дистилляционная колонна является колонной для дистилляции воздуха, соединенной с очистными баллонами. 14. An air separation apparatus comprising a cooling and purification apparatus according to claim 5, wherein the distillation column is an air distillation column connected to treatment cylinders.
RU2013105495/06A 2010-07-09 2011-06-22 Air cooler and cleaner for air cryogenic distillation plant RU2557151C2 (en)

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FR1055603A FR2962526B1 (en) 2010-07-09 2010-07-09 APPARATUS FOR COOLING AND PURIFYING AIR FOR A CRYOGENIC AIR DISTILLATION UNIT
FR1055603 2010-07-09
PCT/EP2011/060417 WO2012004125A2 (en) 2010-07-09 2011-06-22 Air cooling and purification apparatus intended for a cryogenic air distillation unit

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UA107597C2 (en) 2015-01-26
WO2012004125A2 (en) 2012-01-12
CA2803147C (en) 2018-04-17
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EP2591299A2 (en) 2013-05-15
CA2803147A1 (en) 2012-01-12
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FR2962526A1 (en) 2012-01-13
WO2012004125A3 (en) 2013-10-10

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