CN103299146A - Air cooling and purification apparatus intended for a cryogenic air distillation unit - Google Patents

Air cooling and purification apparatus intended for a cryogenic air distillation unit Download PDF

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Publication number
CN103299146A
CN103299146A CN2011800339918A CN201180033991A CN103299146A CN 103299146 A CN103299146 A CN 103299146A CN 2011800339918 A CN2011800339918 A CN 2011800339918A CN 201180033991 A CN201180033991 A CN 201180033991A CN 103299146 A CN103299146 A CN 103299146A
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CN
China
Prior art keywords
equipment
tower
cooling
building
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011800339918A
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Chinese (zh)
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CN103299146B (en
Inventor
P·卡瓦涅
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of CN103299146A publication Critical patent/CN103299146A/en
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Publication of CN103299146B publication Critical patent/CN103299146B/en
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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

An apparatus for cooling and purifying a stream of air comprises a building, a cooling tower (1), for cooling by direct contact with water, two purification bottles (3A, 3B), each of vertical axis, a pipe for sending water to the cooling tower, a pipe for sending air to the cooling tower, a pipe for sending cooled air from the tower to the purification bottles and a system of valves and piping (7) for connecting the two bottles to the cooling tower, this assembly being located inside the building (5), and the two bottles and the tower being outside the building, the two bottles and the assembly being placed on either side of a wall (9) of the building, the bottles being placed along the wall and the tower being positioned between the two bottles.

Description

The air cooling and the cleaning equipment that are used for the cryogenic distillation of air unit
Technical field
The present invention relates to a kind of air cooling and cleaning equipment for the cryogenic distillation of air unit.
Background technology
Coming by low temperature distillation in the equipment of separation of air, air in compressor compressed and then in cooling tower by being cooled with the air direct heat transfer.The cooling air is cleaned then.This purification process in the air gas separation unit mainly is to remove water and CO from air before air enters the cryogenic distillation unit that is positioned in the ice chest 2Pipeline and valve module allow to transport air to be cleaned and are used for making the not purity nitrogen that purifies cylinder regeneration.This pipeline and valve module " are put down " to be placed on the ground, so it takies big quantity space herein.The ratio of the height and length of this assembly is near 1.
When this pipeline and valve module are installed in new building when inner (owing to cross cold or overheated reason or owing to any other reason), advantageously reduce the width of this assembly so that the width of the building that reduces to build.Equally, for this assembly being installed in the existing building (it is some length rather than very wide often), the width that reduces this valve and conduit assembly also can be quite helpful.
A kind of mode that reduces the width of this assembly is that the different designs by pipeline makes this assembly elongated.So the ratio between the height and the width of this assembly becomes and is significantly smaller than 1.
The result is that these axle bases that purify cylinder that are connected to this assembly also will be elongated.
Equipment as described in the preamble according to claim 1 has been described among the EP-A-1672301.
Invention is inner to be held
According to the present invention, purify between the cylinders by being installed in two with air cooling compressor that water directly contacts to cool off.
A theme of the present invention has provided a kind of equipment for cooling and purified air stream, described equipment comprises by directly contacting the cooling tower that cools off with water, two purification cylinders that all have vertical axis, be used for the pipeline to described cooling tower transporting water, the pipeline that is used for---described tower is between described two cylinders---conveying air to described cooling tower, be used for and be delivered to the pipeline of described purification cylinder and the assembly of being formed by valve and pipeline that described two cylinders is connected to described cooling tower through the air of cooling from described tower, described equipment is characterised in that, this equipment comprises building, described assembly is positioned at described interior of building and described two cylinders and described tower and is positioned at described building outside, described two cylinders and described assembly are positioned on the either side of wall of described building, and wherein said cylinder is located along described wall.
Other optional features according to described equipment:
What-described tower was looked from the top is centered close on the center line between the center that described two cylinders look from the top;
The center of-described two cylinders and described tower forms straight line when looking from the top;
The center of-described two cylinders and described tower forms obtuse triangle when looking from the top;
-described building also accommodates at least one compressor and/or at least one turbine and/or at least one destilling tower;
Ratio between the-size of described assembly in the vertical direction and the size in the horizontal direction is less than 1;
-described building has the square-section, and described wall constitutes the longwell of described building.
Ratio between the length of-described wall and the width of described building is greater than 2.
Another theme of the present invention provides a kind of air separation equipment, and this equipment comprises cooling as indicated above and cleaning equipment.
Described air separation equipment can comprise the compressor that is positioned at described interior of building, and described compressor is the air compressor that is connected to described cooling tower; And/or comprise that the turbine that is positioned at described interior of building, described turbine are the air turbines that is connected to described purification cylinder; And/or comprise the destilling tower that is positioned at described interior of building and is connected to described purification cylinder.
Description of drawings
The present invention is described with reference to the accompanying drawings in more detail.Fig. 1 shows according to equipment of the present invention.
The specific embodiment
This equipment comprises by the cooling tower 1 that directly contacts to cool off with water, is used for about water with about CO 2Two that purify air purify cylinder 3A, 3B and hold at least one assembly 7 of being made up of pipeline and valve is transported to cylinder 3A, 3B from the air of tower 1 with permission building 5.The part of the pipeline of this assembly 7 is passed the wall 9 of building 5.Wall 9 is the longwells with building 5 of square-section.Ratio between the length of wall 9 and the width of building is preferably greater than 2.
The size of these assembly 7 in the vertical directions and the ratio between the size in the horizontal direction are less than 1.
Two cylinder 3A, 3B and described tower are arranged to along wall 9: they from the top look be formed centrally the straight line that is parallel to wall.Described tower is positioned on two center lines between the cylinder.
Tower 1 can than two cylinder 3A, 3B a little near or away from wall 9, make tower and two cylinders in be formed centrally obtuse triangle.
Building 5 also can hold cooling and cleaning equipment forms compressor and/or turbine and/or the destilling tower of its a part of air separation equipment.
This air separation equipment can comprise the compressor that is positioned at building 5 inside, and this compressor is the air compressor that is connected to cooling tower 1; And/or being positioned at the turbine of building 5 inside, this turbine is to be connected to the air turbine that purifies cylinder 3A, 3B; And/or be positioned at building 5 inside and be connected to the destilling tower that purifies cylinder 3A, 3B.

Claims (14)

1. equipment that is used for cooling and purified air stream, described equipment comprises by directly contacting the cooling tower (1) that cools off with water, two purification cylinder (3A that all have vertical axis, 3B), be used for the pipeline to the described cooling tower transporting water between described two cylinders, be used for carrying the pipeline of air and being used for and being delivered to the pipeline of described purification cylinder and the assembly of being formed by valve and pipeline (7) that described two cylinders is connected to described cooling tower through the air of cooling from described tower to described cooling tower, described equipment is characterised in that, this equipment comprises building (5), described assembly is positioned at described building (5) inside and described two cylinders and described tower and is positioned at described building outside, described two cylinders and described assembly are positioned on the either side of wall (9) of described building, and wherein said cylinder is located along described wall.
2. equipment as claimed in claim 1 is characterized in that, described tower (1) is looked from the top is centered close to described two cylinders (3A is 3B) on the center line between the center of looking from the top.
3. equipment as claimed in claim 1 or 2 is characterized in that, (3A, 3B) center with described tower (1) forms straight line to described two cylinders when looking from the top.
4. equipment as claimed in claim 1 or 2 is characterized in that, (3A, 3B) center with described tower (1) forms obtuse triangle to described two cylinders when looking from the top.
5. each described equipment in the claim as described above is characterized in that described building (5) also accommodates at least one compressor and/or at least one turbine and/or at least one destilling tower.
6. each described equipment in the claim as described above is characterized in that the size of described assembly (7) in the vertical direction and the ratio between the size in the horizontal direction are less than 1.
7. each described equipment in the claim as described above is characterized in that described wall (9) constitutes the longwell of described building (5), and described building has the square-section.
8. equipment as claimed in claim 7 is characterized in that, the ratio between the width of the length of described wall (9) and described building (5) is greater than 2.
9. each described equipment in the claim as described above is characterized in that (3A is 3B) more near described wall (9) than described two cylinders for described tower (1).
10. as each described equipment among the claim 1-8, it is characterized in that (3A is 3B) further from described wall (9) than described two cylinders for described tower (1).
11. an air separation equipment, this air separation equipment comprise as each described cooling and cleaning equipment in the claim 1 to 10.
12. an air separation equipment, this air separation equipment comprises cooling as claimed in claim 5 and cleaning equipment, and wherein, described compressor is the air compressor that is connected to described cooling tower.
13. an air separation equipment, this air separation equipment comprises cooling as claimed in claim 5 and cleaning equipment, and wherein, described turbine is the air turbine that is connected to described purification cylinder.
14. an air separation equipment, this air separation equipment comprises cooling as claimed in claim 5 and cleaning equipment, and wherein, described destilling tower is the airdistillation tower that is connected to described purification cylinder.
CN201180033991.8A 2010-07-09 2011-06-22 For Air flow and the cleaning equipment of cryogenic distillation of air unit Active CN103299146B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
CN103299146A true CN103299146A (en) 2013-09-11
CN103299146B CN103299146B (en) 2016-02-10

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CN201180033991.8A Active CN103299146B (en) 2010-07-09 2011-06-22 For Air flow and the cleaning equipment of cryogenic distillation of air unit

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US (1) US20130152629A1 (en)
EP (1) EP2591299B1 (en)
CN (1) CN103299146B (en)
CA (1) CA2803147C (en)
FR (1) FR2962526B1 (en)
RU (1) RU2557151C2 (en)
UA (1) UA107597C2 (en)
WO (1) WO2012004125A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143412A (en) * 1960-11-28 1964-08-04 Dravo Corp Method of enriching the oxygen content of air supplied to blast furnaces
CN1261653A (en) * 1993-06-03 2000-08-02 液体空气乔治洛德方法利用和研究有限公司 Equipment for atmospheric distillation
DE10342788A1 (en) * 2003-09-15 2005-04-07 Linde Ag Process engineering plant for handling of application fluid has rectification columns and main heat exchanger located in cold chamber, and at least a section of warm pipes in warm chamber
US20060156759A1 (en) * 2004-12-03 2006-07-20 Andreas Brox Apparatus for the low-temperature separation of a gas mixture, in particular air

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695714B1 (en) * 1992-09-16 1994-10-28 Maurice Grenier Installation of cryogenic treatment, in particular of air distillation.
FR2774752B1 (en) * 1998-02-06 2000-06-16 Air Liquide AIR DISTILLATION SYSTEM AND CORRESPONDING COLD BOX
FR2929385A1 (en) * 2008-03-28 2009-10-02 Air Liquide Air separation apparatus for use with distillation column, has unit sending processed air flows coming from exchangers to average or low pressure column without mixing air flows in downstream of exchangers and in upstream of double column

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143412A (en) * 1960-11-28 1964-08-04 Dravo Corp Method of enriching the oxygen content of air supplied to blast furnaces
CN1261653A (en) * 1993-06-03 2000-08-02 液体空气乔治洛德方法利用和研究有限公司 Equipment for atmospheric distillation
DE10342788A1 (en) * 2003-09-15 2005-04-07 Linde Ag Process engineering plant for handling of application fluid has rectification columns and main heat exchanger located in cold chamber, and at least a section of warm pipes in warm chamber
US20060156759A1 (en) * 2004-12-03 2006-07-20 Andreas Brox Apparatus for the low-temperature separation of a gas mixture, in particular air

Also Published As

Publication number Publication date
EP2591299B1 (en) 2018-10-17
FR2962526B1 (en) 2014-07-04
UA107597C2 (en) 2015-01-26
WO2012004125A2 (en) 2012-01-12
CA2803147C (en) 2018-04-17
RU2557151C2 (en) 2015-07-20
RU2013105495A (en) 2014-08-20
EP2591299A2 (en) 2013-05-15
CA2803147A1 (en) 2012-01-12
CN103299146B (en) 2016-02-10
US20130152629A1 (en) 2013-06-20
FR2962526A1 (en) 2012-01-13
WO2012004125A3 (en) 2013-10-10

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