CN102626579A - Multicomponent adsorption device and process - Google Patents
Multicomponent adsorption device and process Download PDFInfo
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- CN102626579A CN102626579A CN2012101077393A CN201210107739A CN102626579A CN 102626579 A CN102626579 A CN 102626579A CN 2012101077393 A CN2012101077393 A CN 2012101077393A CN 201210107739 A CN201210107739 A CN 201210107739A CN 102626579 A CN102626579 A CN 102626579A
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Abstract
The invention discloses a multicomponent adsorption device and a process. The multicomponent adsorption device is used for removing harmful impurities in natural gas and comprises a plurality of adsorption chambers which are connected in sequence, wherein each adsorption chamber is internally provided with an adsorbent. According to the invention, because the multicomponent adsorption device is provided with the plurality of adsorption chambers connected in sequence, various impurities in the natural gas can be removed in one step, in addition, when the adsorbent is regenerated, a stream of regenerative gas can be introduced to complete the regeneration of all the adsorbents, and the multicomponent adsorption device has the advantages of simple equipment, small floor area, lower investment and no pollution.
Description
Technical field
The present invention relates to a kind of multicomponent adsorbent equipment and technology that is used for removing the natural gas objectionable impurities.
Background technology
In gas purifying process; When removing the objectionable impurities (like water, benzene, heavy hydrocarbon, carbon dioxide etc.) in the natural gas; Existing processes is: remove carbon dioxide, use dry method (adsorbents adsorb method) adsorption moisture again with wet method (solution absorption method) earlier, remove benzene and heavy hydrocarbon with dry method or condensation method at last.When adopting this kind method, various objectionable impurities need remove respectively, and promptly every kind of objectionable impurities needs a cover remove device, so equipment needed thereby is lengthy and tedious, it is big to take up an area of, operation easier is big, and seriously polluted when adopting wet method to remove carbon dioxide.
Summary of the invention
The purpose of this invention is to provide a kind of equipment simple, easy to operate, take up an area of little, small investment, free of contamination multicomponent adsorbent equipment and technology.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of multicomponent adsorbent equipment is used for removing the objectionable impurities of natural gas, and described multicomponent adsorbent equipment comprises a plurality of adsorption chambers that connect successively, is provided with the adsorbent of the different described objectionable impurities of absorption in each described adsorption chamber.
Preferably, a plurality of described adsorption chambers are arranged in the same absorbing cylinder or are arranged in a plurality of absorbing cylinders that are in series.
Preferably, when a plurality of described adsorption chambers are arranged in the same absorbing cylinder, are provided with a plurality of interlayers in the described absorbing cylinder described absorbing cylinder is divided into a plurality of described adsorption chambers.
Preferably, the middle part of a plurality of described adsorption chambers is provided with secondary heater.
Preferably, two described multicomponent adsorbent equipments are connected to form bitubular adsorption system or three through pipeline and three above-described multicomponent adsorbent equipments are connected to form many adsorption systems through pipeline.
Preferably, described bitubular adsorption system or described many adsorption systems include natural gas path and regeneration gas path; Described multicomponent adsorbent equipment comprises air inlet and gas outlet;
The natural gas outlet pipe that described natural gas path comprises the natural gas air inlet pipeline of the air inlet that connects gas source and each described multicomponent adsorbent equipment, drawn by the gas outlet of each described multicomponent adsorbent equipment; Described natural gas air inlet pipeline is provided with the natural gas air intake control valve, and described natural gas outlet pipe is provided with the natural gas leaving air control valve;
Described regeneration gas path comprises blast-cold passage portion and regeneration passage portion, is provided with primary heater between described blast-cold part and the described regeneration passage portion; Described blast-cold partly comprises the blast-cold outlet pipe that connects regeneration source of the gas and the blast-cold air inlet pipeline of the air inlet of each described multicomponent adsorbent equipment, the gas outlet that is connected each described multicomponent adsorbent equipment and described primary heater; Described blast-cold air inlet pipeline is provided with the blast-cold air intake control valve, and described blast-cold outlet pipe is provided with the blast-cold leaving air control valve; The regeneration gas outlet pipe that described regeneration passage portion comprises the regeneration gas air inlet pipeline of the air inlet that connects described primary heater and each described multicomponent adsorbent equipment, drawn by the gas outlet of each described multicomponent adsorbent equipment; Described regeneration gas air inlet pipeline is provided with the regeneration gas air intake control valve, and described regeneration gas outlet pipe is provided with the regeneration gas leaving air control valve.
Preferably, described pipeline is provided with heat-insulation layer.
A kind of absorbing process that adopts above-mentioned multicomponent adsorbent equipment; Be used for removing the objectionable impurities of natural gas; Natural gas is fed in the described multicomponent adsorbent equipment, the objectionable impurities in the described natural gas is removed through the multiple adsorbent in the described multicomponent adsorbent equipment; After accomplishing absorption, one regeneration gas is fed in the described multicomponent adsorbent equipment, described one regeneration gas is passed through each described adsorption chamber successively with the adsorbent reactivation in each described adsorption chamber.
Preferably, feed in the described secondary heater behind the described adsorption chamber of described one regeneration gas process part and heat, feed again in remaining described adsorption chamber and regenerate.
Because technique scheme utilization; The present invention compared with prior art has advantage: because the present invention is provided with a plurality of adsorption chambers that link to each other successively; Can once remove the plurality of impurities in the natural gas; And when adsorbent is regenerated, can feed the regeneration that one regeneration gas can be accomplished whole adsorbents, equipment is simple, floor space is little and the investment is lower, pollution-free.
Description of drawings
Accompanying drawing 1 is the sketch map of the embodiment one of multicomponent adsorbent equipment of the present invention.
In the above accompanying drawing: 1, first absorbing cylinder; 2, second absorbing cylinder; 3, the 3rd absorbing cylinder; 4, secondary heater; 5, primary heater; 6, natural gas air inlet pipeline; 7, natural gas outlet pipe; 8, natural gas air intake control valve; 9, natural gas leaving air control valve; 10, blast-cold air inlet pipeline; 11, blast-cold outlet pipe; 12, regeneration gas air inlet pipeline; 13, regeneration gas outlet pipe.
The specific embodiment
Below in conjunction with embodiment shown in the drawings the present invention is further described.
Embodiment one: shown in accompanying drawing 1.
A kind of multicomponent adsorbent equipment is used for removing the objectionable impurities (including but not limited to water, benzene, heavy hydrocarbon, carbon dioxide) of natural gas.This multicomponent adsorbent equipment comprises a plurality of adsorption chambers that connect successively, is provided with the adsorbent of the different objectionable impurities of absorption in each adsorption chamber.
In the present embodiment, a plurality of adsorption chambers are arranged in the same absorbing cylinder, be provided with a plurality of interlayers in the absorbing cylinder absorbing cylinder is divided into a plurality of adsorption chambers.Adsorbent in each adsorption chamber as the adsorbent of adsorbed water at first is set, is provided with the adsorbent of absorption benzene and heavy hydrocarbon according to the absorption priority of different impurities is arranged then, and the adsorbent of absorbing carbon dioxide is set at last.When with natural gas successively when each adsorption chamber, successively the water in the natural gas, benzene, heavy hydrocarbon, carbon dioxide absorption are reached the purpose that removes.Middle part at absorbing cylinder can be provided with secondary heater 4, and this secondary heater 4 is electric heater or other form of heating regime device, and it can be made up of the heater monomer of one or more series connection.When the various adsorbents in the absorbing cylinder are regenerated, in absorbing cylinder, feed the higher regeneration gas of temperature.If the regeneration gas temperature is enough high when initial, whole adsorbents of can regenerating, then need not this secondary heater 4; If in the regenerative process, the temperature of regeneration gas reduces and can't reach regeneration and require the time, can regeneration gas be fed in the secondary heater 4 and be used as regeneration again after the heating.A plurality of adsorption chambers can also be arranged at respectively in a plurality of absorbing cylinders that are in series.
Two or three are connected to form bitubular adsorption system or many adsorption systems with three above multicomponent adsorbent equipments through the pipeline that is provided with heat-insulation layer.
In the present embodiment, adopt three adsorption systems, comprise first absorbing cylinder 1, second absorbing cylinder 2, the 3rd absorbing cylinder 3, three adsorption systems stating all also comprise the pipeline that natural gas path and regeneration gas path constitute.Each multicomponent adsorbent equipment, promptly each absorbing cylinder includes air inlet and the gas outlet with same structure.
The natural gas outlet pipe 7 that natural gas path comprises the natural gas air inlet pipeline 6 of the air inlet that connects gas source and each multicomponent adsorbent equipment, drawn by the gas outlet of each multicomponent adsorbent equipment.Natural gas air inlet pipeline 6 is provided with natural gas air intake control valve 8, and natural gas outlet pipe 7 is provided with natural gas leaving air control valve 9.
The regeneration gas path comprises blast-cold passage portion and regeneration passage portion.Be provided with primary heater 5 between blast-cold part and the regeneration passage portion, primary heater 5 also is electric heater or other form of heating regime device.Blast-cold partly comprises the blast-cold outlet pipe 11 that connects regeneration source of the gas and the blast-cold air inlet pipeline 10 of the air inlet of each multicomponent adsorbent equipment, the gas outlet that is connected each multicomponent adsorbent equipment and primary heater 5.Blast-cold air inlet pipeline 10 is provided with the blast-cold air intake control valve, and blast-cold outlet pipe 11 is provided with the blast-cold leaving air control valve.The regeneration gas outlet pipe 13 that the regeneration passage portion comprises the regeneration gas air inlet pipeline 12 of the air inlet that connects primary heater 5 and each multicomponent adsorbent equipment, drawn by the gas outlet of each multicomponent adsorbent equipment.Regeneration gas air inlet pipeline 12 is provided with the regeneration gas air intake control valve, and regeneration gas outlet pipe 13 is provided with the regeneration gas leaving air control valve.
In the present embodiment; Air inlet on each absorbing cylinder is in as the air inlet on the natural gas path; Also as the gas outlet on the regeneration gas path, and the gas outlet on each absorbing cylinder is in as the gas outlet on the natural gas path, also as the air inlet on the regeneration gas path.At this moment; Because the direction shown in natural gas such as the accompanying drawing 1 is passed through each absorbing cylinder from the bottom to top; Then various adsorbents are arranged according to priority from the bottom to top in the absorbing cylinder; The adsorbent of adsorbed water promptly is set in the bottom of absorbing cylinder, the adsorbent of absorption benzene and heavy hydrocarbon is set then above it, the adsorbent of absorbing carbon dioxide is set on the top of absorbing cylinder.
These three adsorption systems in use; Control through each control valve on the natural gas air inlet pipeline 6 feeds a multicomponent adsorbent equipment with natural gas; In second absorbing cylinder 2, the objectionable impurities in the natural gas is removed through the multiple adsorbent in second absorbing cylinder 2.The purified natural gas of accomplishing after adsorbing is seen off through natural gas outlet pipe 7.When second absorbing cylinder 2 adsorbs, one regeneration gas is fed another multicomponent adsorbent equipment through blast-cold air inlet pipeline 10, in first absorbing cylinder 1, with 1 blast-cold of first absorbing cylinder.Behind blast-cold first absorbing cylinder 1; This one regeneration gas gets in the primary heater 5 through blast-cold outlet pipe 11 and is heated to uniform temperature; Send in the 3rd absorbing cylinder 3 through regeneration gas air inlet pipeline 12 then; It passes through each adsorption chamber successively with the adsorbent reactivation in each adsorption chamber, is discharged by regeneration gas outlet pipe 13 at last.In the regeneration gas part, if regeneration gas temperature behind the part adsorbent of having regenerated reduces and can't regenerate, can it be fed heating once more in the secondary heater 4, send regeneration then back to.If do not adopt secondary heater 4, can adopt the bigger primary heater of power 5 to reach same regeneration effect.
Above-mentioned state; Promptly first absorbing cylinder 1 is after operation a period of time of carrying out that blast-cold, second absorbing cylinder 2 are adsorbed, the 3rd absorbing cylinder 3 is regenerated; Through the control of each control valve, first absorbing cylinder 1 after the blast-cold is adsorbed, second absorbing cylinder 2 is regenerated, the 3rd absorbing cylinder 3 carries out blast-cold.After after a while, circulation is regenerated first absorbing cylinder 1 once more, second absorbing cylinder 2 carries out blast-cold, the 3rd absorbing cylinder 3 adsorbs again.So thereby circulation carries out realizing the adsorption cleaning of natural gas.
If adopt bitubular adsorption system, then when an absorbing cylinder adsorbed, another absorbing cylinder at first fed the higher regeneration gas of temperature and regenerates, and fed the lower regeneration gas of temperature again and carried out blast-cold.After after a while, circulate.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. multicomponent adsorbent equipment; Be used for removing the objectionable impurities of natural gas; It is characterized in that: described multicomponent adsorbent equipment comprises a plurality of adsorption chambers that connect successively, is provided with the adsorbent of the different described objectionable impurities of absorption in each described adsorption chamber.
2. multicomponent adsorbent equipment according to claim 1 is characterized in that: a plurality of described adsorption chambers are arranged in the same absorbing cylinder or are arranged in a plurality of absorbing cylinders that are in series.
3. multicomponent adsorbent equipment according to claim 2 is characterized in that: when a plurality of described adsorption chambers are arranged in the same absorbing cylinder, are provided with a plurality of interlayers in the described absorbing cylinder described absorbing cylinder is divided into a plurality of described adsorption chambers.
4. multicomponent adsorbent equipment according to claim 1 is characterized in that: the middle part of a plurality of described adsorption chambers is provided with secondary heater.
5. multicomponent adsorbent equipment according to claim 1 is characterized in that: two described multicomponent adsorbent equipments are connected to form bitubular adsorption system or three through pipeline and three above-described multicomponent adsorbent equipments are connected to form many adsorption systems through pipeline.
6. multicomponent adsorbent equipment according to claim 5 is characterized in that: described bitubular adsorption system or described many adsorption systems include natural gas path and regeneration gas path; Described multicomponent adsorbent equipment comprises air inlet and gas outlet;
The natural gas outlet pipe that described natural gas path comprises the natural gas air inlet pipeline of the air inlet that connects gas source and each described multicomponent adsorbent equipment, drawn by the gas outlet of each described multicomponent adsorbent equipment; Described natural gas air inlet pipeline is provided with the natural gas air intake control valve, and described natural gas outlet pipe is provided with the natural gas leaving air control valve;
Described regeneration gas path comprises blast-cold passage portion and regeneration passage portion, is provided with primary heater between described blast-cold part and the described regeneration passage portion; Described blast-cold partly comprises the blast-cold outlet pipe that connects regeneration source of the gas and the blast-cold air inlet pipeline of the air inlet of each described multicomponent adsorbent equipment, the gas outlet that is connected each described multicomponent adsorbent equipment and described primary heater; Described blast-cold air inlet pipeline is provided with the blast-cold air intake control valve, and described blast-cold outlet pipe is provided with the blast-cold leaving air control valve; The regeneration gas outlet pipe that described regeneration passage portion comprises the regeneration gas air inlet pipeline of the air inlet that connects described primary heater and each described multicomponent adsorbent equipment, drawn by the gas outlet of each described multicomponent adsorbent equipment; Described regeneration gas air inlet pipeline is provided with the regeneration gas air intake control valve, and described regeneration gas outlet pipe is provided with the regeneration gas leaving air control valve.
7. multicomponent adsorbent equipment according to claim 5 is characterized in that: described pipeline is provided with heat-insulation layer.
8. absorbing process that adopts multicomponent adsorbent equipment as claimed in claim 1; Be used for removing the objectionable impurities of natural gas; It is characterized in that: natural gas is fed in the described multicomponent adsorbent equipment, the objectionable impurities in the described natural gas is removed through the multiple adsorbent in the described multicomponent adsorbent equipment; After accomplishing absorption, one regeneration gas is fed in the described multicomponent adsorbent equipment, described one regeneration gas is passed through each described adsorption chamber successively with the adsorbent reactivation in each described adsorption chamber.
9. absorbing process according to claim 8 is characterized in that: feed in the described secondary heater behind the described adsorption chamber of described one regeneration gas process part and heat, feed in remaining described adsorption chamber again and regenerate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101077393A CN102626579A (en) | 2012-04-13 | 2012-04-13 | Multicomponent adsorption device and process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101077393A CN102626579A (en) | 2012-04-13 | 2012-04-13 | Multicomponent adsorption device and process |
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| CN102626579A true CN102626579A (en) | 2012-08-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128071A (en) * | 2014-08-15 | 2014-11-05 | 苏州市兴鲁空分设备科技发展有限公司 | Helium purifying device |
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| US20020110510A1 (en) * | 2001-02-13 | 2002-08-15 | Seguin Kevin J. | Adsorption apparatus and methods |
| CN1467014A (en) * | 2002-05-31 | 2004-01-14 | �����Ʒ�뻯ѧ��˾ | Process for purifying gas streams using composite adsorbent |
| US20040107831A1 (en) * | 2002-12-05 | 2004-06-10 | Graham David Ross | Pressure swing adsorption system for gas separation |
| CN201634651U (en) * | 2010-01-15 | 2010-11-17 | 北京长征天民高科技有限公司 | Natural gas liquification decarburization and dehydration device |
| CN101899341A (en) * | 2009-05-26 | 2010-12-01 | 西安联合超滤净化设备有限公司 | Adsorption type high pressure natural gas dehydration process and device |
| CN202605970U (en) * | 2012-04-13 | 2012-12-19 | 苏州市兴鲁空分设备科技发展有限公司 | Multi-component adsorption device |
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- 2012-04-13 CN CN2012101077393A patent/CN102626579A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020110510A1 (en) * | 2001-02-13 | 2002-08-15 | Seguin Kevin J. | Adsorption apparatus and methods |
| CN1467014A (en) * | 2002-05-31 | 2004-01-14 | �����Ʒ�뻯ѧ��˾ | Process for purifying gas streams using composite adsorbent |
| US20040107831A1 (en) * | 2002-12-05 | 2004-06-10 | Graham David Ross | Pressure swing adsorption system for gas separation |
| CN101899341A (en) * | 2009-05-26 | 2010-12-01 | 西安联合超滤净化设备有限公司 | Adsorption type high pressure natural gas dehydration process and device |
| CN201634651U (en) * | 2010-01-15 | 2010-11-17 | 北京长征天民高科技有限公司 | Natural gas liquification decarburization and dehydration device |
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| CN104128071A (en) * | 2014-08-15 | 2014-11-05 | 苏州市兴鲁空分设备科技发展有限公司 | Helium purifying device |
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Application publication date: 20120808 |