CN101430160B - Assembly method of a plant for gas separation - Google Patents
Assembly method of a plant for gas separation Download PDFInfo
- Publication number
- CN101430160B CN101430160B CN 200810129306 CN200810129306A CN101430160B CN 101430160 B CN101430160 B CN 101430160B CN 200810129306 CN200810129306 CN 200810129306 CN 200810129306 A CN200810129306 A CN 200810129306A CN 101430160 B CN101430160 B CN 101430160B
- Authority
- CN
- China
- Prior art keywords
- splitter
- capsule device
- pipe bridge
- bridge module
- separation column
- 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.)
- Expired - Fee Related
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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
- 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"
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- 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
- F25J3/04945—Details of internal structure; insulation and housing of the cold box
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- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. of the cold box
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- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/44—Particular materials used, e.g. copper, steel or alloys thereof or surface treatments used, e.g. enhanced surface
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to an assembly method of a gas separation device comprising at least a separating column (1) and a casing device for bounding the separation column (1). The separation column (1) is manufactured in advance in a manufacturing factory and is equipped with a pipe bridge module. The column (1) is horizontally supported on a construction site so that the pipe bridge module (2a-2d) is mounted on an upper part of an outer casing along a parallel axis to a preferable axis of the separation column (1). Thus the pipe bridge module (2a-2d) can be fully or partially mounted on the peripheral surface of the separation column and accessory portions are mounted in the manufacturing factory or on the construction site. Accessories are at least partially assembled on the pipe bridge module (2a-2d) when the separation column (1) is horizontally supported. Only a small scaffold in the separation column (1) diameter height is needed by assembling the accessories in the horizontal orientation. Almost all the work is done in a plain place. In parallel with the horizontal assembly of the accessories on the separation column (1), the casing device is processed to half of the height in vertical direction, wherein the upper part is kept open. After the separation column (1) is pricked as a vertical orientation and is guided in the casting device from above, the assembly is finished and the casing device is closed.
Description
Technical field
The present invention relates to a kind of assembly method of gas separation equipment; This gas separation equipment comprises at least one splitter and a capsule device of surrounding this splitter; Wherein, This splitter has a preferred axial and different accessories fixed thereon, for example manages, infeeds and let-off gear(stand), valve and/or instrument.
Background technology
When building gas separation equipment, for example low temp air fractionation system, have such selection basically, promptly as far as possible to a great extent in factory floor prefabricated this equipment or on the construction site assembly equipment parts.Under first kind of situation,, very bothersome usually when transportation because the splitter size of this equipment is bigger.Second kind of scheme need not be to carry out a large amount of assembly works under the very suitable environment.A pith of this assembling be with a splitter be presented to a capsule device, for example one be used for adiabatic ice chest.
Technology has been described in European patent application EP 913653 in factory splitter has been lifted in the jacket that standing, opened upper end as a setting.Then, the finished product combination of being made up of splitter and capsule device is transported on the construction site.In contrast, the said document itself quoted has been instructed the prefabricated of splitter only.In that side direction is being stood by flatly being pushed on the construction site by prefabricated splitter, the unlimited capsule device.
In German patent application DE20316731, described splitter has been presented in the capsule device that standing a, side opens wide.This application instruction people are transported to the construction site with prefabricated splitter, and this splitter is lifted in the capsule device of said that standing, opened upper end there.At this, still can be approaching by the combination that splitter and this capsule device are formed from top so that accessory for example pipeline, instrument and/or valve needn't assembled in advance, but also can directly on the construction site, be installed in the capsule device of said opened upper end.The whole combination of being made up of this splitter and this capsule device then places its vertical final position through crane and makes the capsule device sealing.
The assembling scheme of these two descriptions of the Prior Art has its shortcoming, that is, said capsule device must constitute with very high mechanical stability under unnecessary high material consumption.In these two kinds of assembling schemes, the whole combination of being made up of splitter and capsule device is presented to vertical position.Said capsule device and necessary by design so stably with being connected of splitter make them during the process of holding up, can bear the gross weight of splitter.This stability requirement is much higher than this equipment and moves required stability requirement subsequently.At run duration, said capsule device is used for thermal insulation and therefore only must bears wind-force load.Therefore, owing to hold up the unnecessary high stability during the process, the material consumption that is used for said capsule device is required material consumption height when moving regularly obviously.
Additionally, when assembling and constructing this equipment, must consider different temperature.This is assemblied under the hot state (environment temperature) and carries out, and the gas when the actual motion of this equipment, for example air separation equipment low temperature (60-80K) occurs in some parts at this equipment when separating, and miscellaneous part is obviously warmmer.The different temperatures that occurs causes material different to expand, this material expand particularly some accessories for example pipeline, instrument, infeed and let-off gear(stand) and/or valve (Armatur) in work.Said material different expands and must when structure and assembling, ad hoc consider to these position component.This can be from the outside mainly improving structure consumes under the situation of approaching parts greatly.
Summary of the invention
Therefore the objective of the invention is, design the assembly method that a kind of gas separates (Gaszerlegung) equipment like this, make in the material cost that minimizes structure consumes and capsule device, guarantee simple assembling with respect to prior art.
According to the present invention; A kind of assembly method of gas separation equipment has been proposed; This gas separation equipment comprises at least one splitter and a capsule device of surrounding this splitter, and wherein, this splitter has a preferred axial and different accessories fixed thereon; For example manage, infeed and let-off gear(stand), valve and/or instrument, have the following step:
A) prefabricated said splitter in a workshop,
B) at least one pipe bridge module is installed on the outer wall of this splitter, wherein, this pipe bridge module is suitable for more fixing accessories and comprises the support of rectangular parallelepiped shape, cylindrical or elliptical cylinder-shape,
C) flatly supporting said splitter on the construction site and at least in part said accessory be assembled to this on the first half of its external sleeve face under the situation that flatly supports this splitter (1)/these pipe bridge modules on,
D) prefabricated at least in part said capsule device in vertically-oriented, wherein, the upside of this capsule device keeps opening wide
E) hold up this splitter and it imported to the said capsule device from the top with vertically-oriented,
F) accomplish remaining processing and make said capsule device sealing.
Basic design of the present invention is, with prefabricated post be transported to the construction site and carry out at least in part there accessory for example pipeline, infeed and the assembling of let-off gear(stand), valve, valve seat and/or instrument.At this, according to the present invention, accessory be assemblied in the splitter circumferential surface deviate from the bottom the first half on carry out.According to the present invention, accessory is fixed on the pipe bridge module at this, and these pipe bridge modules comprise the support of rectangular parallelepiped shape, cylindrical or elliptical cylinder-shape.The standardized pipe bridge module of the application of the invention fixes all accessories, and the structure consumes and the assembling that have provided the position of accessory in advance and greatly reduced gas separation equipment expend.Indivedual calculating of the length expansion of indicated temperature are simplified through the standardized fixedly quilt on the pipe bridge module greatly.The assembling of pipe bridge module also can completely or partially be carried out in the workshop as the assembling of accessory fixed thereon or directly on the construction site, carried out then and there.Additionally, these accessories allow the almost work on level land in the assembling that splitter is positioned on the horizontal level situation.Splitter only needs on the height of its diameter, to adorn scaffold (einr ü sten).Therewith concurrently, in vertically-oriented, carry out part at least prefabricated of capsule device, wherein, the upside of capsule device keep to open wide.Then, prefabricated splitter can hold up its vertically-oriented in and lift in the said capsule device through the open side on said top.Then, still knocked-down all the other accessories are installed, are made capsule device completion and sealing.
Within the scope of the invention, elliptical cylinder-shape support (Gestell) is meant the cylindrical stent with oval basal plane.
Through said capsule device according to vertical processing of the present invention, only need erect splitter, and need not to erect the combination of splitter/capsule device.Correspondingly, the stability of said capsule device can adaptive service condition and needn't be designed to the high process of erecting of mechanical load of the combination of splitter/capsule device.Additionally, accessory assembling on the pipe bridge module under splitter horizontal positioned situation only needs little and movable scaffold.Thus, not only saved the material cost of capsule device, and made the scaffold that is used to assemble on the construction site expend to minimize.
In a preferred configuration of the present invention, the side of capsule device is importing splitter before by prefabricated 1/3rd of the total height that arrives, preferred prefabricated especially the half the of total height that arrive.
Be proved equally advantageously, all accessories are holded up vertically-oriented and are imported in the horizontal orientation before the capsule device on the first half at the circumferential surface of the splitter of horizontal positioned at splitter and on the pipe bridge module, are assembled on the splitter fully.
In another configuration of the present invention, carry out the pressure check of splitter and/or the X-ray procedure of quality inspection and/or weld seam in the horizontal orientation before splitter is holded up.In this horizontal orientation, all important and parts to be verified can be easily by approaching, so that said check can expend fewly and carries out.
Preferred a plurality of pipe bridge module along an axis parallel with the preferred axial (Vorzugsachse) of splitter with uniform spacing, especially preferably be fixed on the said circumferential surface with the spacing between the 6m to 8m.In assembly method of the present invention, when horizontal supporting, this axis is positioned on the first half of circumferential surface.The pipe bridge module has additionally been simplified the structure of this equipment along the location of a unique axis.These pipe bridge modules provide the position of all accessories in advance.The pipe bridge module is assembled in the horizontal level of fixedly permission before splitter is holded up vertical final position of an axis.
In a preferred configuration of the present invention, the bar of said support (said pipe bridge module is made up of said bar) is processed by the cadmium nickel steel.Being proved to be particularly advantageous is form of implementation as cube shaped support.
Advantageously; On the pipe bridge module, be fixed with a spacer assembly; Wherein, this spacer assembly surrounds some the member and/or the instrument of flange (geflanscht) is housed, and these parts and/or instrument can be approaching by the outside from said capsule device; And this spacer assembly forms a volume around said parts and/or instrument, and this volume is not filled barrier material (pearlite).At this; This spacer assembly is any hollow body around said flanged accessory; It is suitable for forming the volume around said flanged accessory, and this volume is not filled the barrier material (pearlite) in the intermediate space between said capsule device and the splitter.From the reason of safe practice, the flange connection does not allow to surround with barrier material (pearlite).In order to guarantee the good accessibility of said flanged accessory, for example measuring instrument, these accessories are surrounded by said spacer assembly.At this, this spacer assembly can advantageously be fixed on the pipe bridge module.Form a cavity around said flanged accessory through this spacer assembly, this cavity also is a cavity barrier means simultaneously.
In addition; For fear of convection current and realize said can be from the outside thermal insulation of approaching accessory, said spacer assembly meets in some rigid scopes of airtight inlet (for example inspection opening) back of destination in capsule device, filling glass cotton in the scope of about 400mm for example.
According to a preferred especially configuration of the present invention, said splitter is made up of a kind of air separation post.It for example can be the queen post air separator, and it has a pressure column, a lower pressure column and a main condenser.In the case, capsule device is the wall of an ice chest, and the region of no pressure of this ice chest (Leerraum) was filled isolated powder (pearlite) before said equipment operation.
Particularly can realize the material cost of the capsule device of the assembling of simplification gas separation equipment and structure and reduction splitter through the present invention.
Description of drawings
Describe the present invention in detail by means of the embodiment shown in the accompanying drawing below.Wherein:
Fig. 1 is the splitter with pipe bridge module.
The specific embodiment
Fig. 1 illustrates a kind of splitter 1 with pipe bridge module 2a-2d, and this splitter is installed in the gas separation equipment according to assembly method of the present invention.This splitter 1 in a workshop by prefabricated and be equipped with some pipe bridge module 2a-2d.On the construction site, this splitter 1 is by horizontal supporting, so that these pipe bridge modules 2a-2d is positioned on the first half of overcoat along an axis parallel with the preferred axial of splitter 1.At this, the installation of these pipe bridge modules 2a-2d can be fully or partly in said workshop, is carried out or on said construction site, just carry out.The assembling of accessory is carried out on pipe bridge module 2a-2d under by the situation of horizontal supporting at splitter 1 at least in part.Through the said accessory of assembling under the situation of horizontal orientation, only need be at the little scaffold on the diameter height of splitter 1.All work is nearly all carried out on the level land.Assemble concurrently with the level of said accessory on splitter 1, said capsule device is machined into half height in vertically-oriented, and wherein, upside keeps opening wide.Splitter 1 is holded up and with vertically-oriented from above import to said capsule device after, just accomplish assembling and make said capsule device sealing.
Claims (10)
1. the assembly method of a gas separation equipment; This gas separation equipment comprises at least one splitter (1) and a capsule device of surrounding this splitter; Wherein, this splitter (1) has a preferred axial and is fixed on the different accessories on the splitter, it is characterized in that the following step:
A) prefabricated said splitter (1) in a workshop,
B) with at least one pipe bridge module (2c 2d) is installed on the outer wall of this splitter for 2a, 2b, wherein, this pipe bridge module (2c 2d) is suitable for fixing said accessory and comprise the support of rectangular parallelepiped shape, cylindrical or elliptical cylinder-shape for 2a, 2b,
C) on a construction site, flatly support said splitter (1), and under the situation that flatly supports this splitter (1), on the first half of the circumferential surface of said splitter, at least in part said accessory is assembled to this/these pipe bridge modules (2a; 2b; 2c, 2d) on
D) prefabricated at least in part said capsule device in vertically-oriented, wherein, the upside of this capsule device keeps opening wide,
E) hold up this splitter (1) and it imported to the said capsule device from the top with vertically-oriented,
F) accomplish remaining processing and make said capsule device sealing.
2. the method for claim 1 is characterized in that: importing splitter (1) before, the side of said capsule device under the situation that the lid of this capsule device opens wide by prefabricated to 1/3rd of total height.
3. according to claim 1 or claim 2 method; It is characterized in that: a complete set of accessory was pre-assembled to said pipe bridge module (2a on the first half of the circumferential surface of this splitter (1) before holding up and import to said capsule device vertically in the said horizontal level of splitter (1); 2b; 2c, 2d) on.
4. according to claim 1 or claim 2 method is characterized in that: carry out the pressure check and/or the quality inspection of this splitter (1) and/or carry out the X-ray procedure of weld seam in the horizontal orientation before said splitter is holded up.
5. according to claim 1 or claim 2 method, it is characterized in that: (2c 2d) is arranged on the circumferential surface of this splitter (1) with the parallel axis of preferred axial of said splitter (1) along one with uniform spacing a plurality of pipe bridge modules for 2a, 2b.
6. according to claim 1 or claim 2 method is characterized in that: at said pipe bridge module (2a, 2b; 2c is fixed with a spacer assembly on 2d), wherein; This spacer assembly surrounds some flanged parts and/or instruments; These parts and/or instrument can be approaching from the outside of said capsule device, and volume around these parts and/or instrument of this spacer assembly formation, and this volume is not filled barrier material.
7. according to claim 1 or claim 2 method, it is characterized in that: this splitter (1) is made up of the air separation post.
8. the method for claim 1 is characterized in that: said accessory is pipe, infeeds and let-off gear(stand), valve and/or instrument.
9. the method for claim 1 is characterized in that: importing splitter (1) before, the side of said capsule device under the situation that the lid of this capsule device opens wide by prefabricated half the to total height.
10. according to claim 1 or claim 2 method is characterized in that: (2c 2d) is arranged on the circumferential surface of this splitter (1) with the parallel axis of preferred axial of said splitter (1) along one with spacing between the 8m with 6m a plurality of pipe bridge modules for 2a, 2b.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007029436.2 | 2007-06-26 | ||
| DE102007029436 | 2007-06-26 | ||
| EP07018452 | 2007-09-20 | ||
| EP07018452.8 | 2007-09-20 | ||
| EP08009401.4 | 2008-05-21 | ||
| DE102008024505A DE102008024505A1 (en) | 2007-06-26 | 2008-05-21 | Method for assembling plant for gas separation e.g. low temperature air separation, involves introducing separating column set in upright position in vertical orientation into partially prefabricated case |
| EP08009401.4A EP2009378B1 (en) | 2007-06-26 | 2008-05-21 | Process of assembling gas separation plant |
| DE102008024505.4 | 2008-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101430160A CN101430160A (en) | 2009-05-13 |
| CN101430160B true CN101430160B (en) | 2012-08-15 |
Family
ID=39148431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810129306 Expired - Fee Related CN101430160B (en) | 2007-06-26 | 2008-06-26 | Assembly method of a plant for gas separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101430160B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750413A (en) * | 1968-10-15 | 1973-08-07 | Hydrocarbon Research Inc | Cryogenic apparatus assembly method |
| US5349827A (en) * | 1992-06-17 | 1994-09-27 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for the construction of a cryogenic unit for the separation of gas, cryogenic unit, subassembly and transportable assembly for the construction of such a unit |
| US6202305B1 (en) * | 1997-10-14 | 2001-03-20 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method of constructing a large elongate fluid-confining internal structure surrounded by an external structure |
| US6378331B1 (en) * | 1997-11-17 | 2002-04-30 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Cold box for cryogenic distilling plant |
| CN1447894A (en) * | 2000-08-18 | 2003-10-08 | 林德股份公司 | Method for producing air separation installation |
| CN1768242A (en) * | 2003-03-31 | 2006-05-03 | 气体产品与化学公司 | Apparatus for cryogenic air distillation |
-
2008
- 2008-06-26 CN CN 200810129306 patent/CN101430160B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750413A (en) * | 1968-10-15 | 1973-08-07 | Hydrocarbon Research Inc | Cryogenic apparatus assembly method |
| US5349827A (en) * | 1992-06-17 | 1994-09-27 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for the construction of a cryogenic unit for the separation of gas, cryogenic unit, subassembly and transportable assembly for the construction of such a unit |
| US6202305B1 (en) * | 1997-10-14 | 2001-03-20 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method of constructing a large elongate fluid-confining internal structure surrounded by an external structure |
| US6378331B1 (en) * | 1997-11-17 | 2002-04-30 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Cold box for cryogenic distilling plant |
| CN1447894A (en) * | 2000-08-18 | 2003-10-08 | 林德股份公司 | Method for producing air separation installation |
| CN1768242A (en) * | 2003-03-31 | 2006-05-03 | 气体产品与化学公司 | Apparatus for cryogenic air distillation |
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| Publication number | Publication date |
|---|---|
| CN101430160A (en) | 2009-05-13 |
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Granted publication date: 20120815 Termination date: 20200626 |