CN102267686A - Pressure swing adsorption oxygen generation method - Google Patents
Pressure swing adsorption oxygen generation method Download PDFInfo
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- CN102267686A CN102267686A CN2010106204358A CN201010620435A CN102267686A CN 102267686 A CN102267686 A CN 102267686A CN 2010106204358 A CN2010106204358 A CN 2010106204358A CN 201010620435 A CN201010620435 A CN 201010620435A CN 102267686 A CN102267686 A CN 102267686A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 239000001301 oxygen Substances 0.000 title claims abstract description 179
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 179
- 238000000034 method Methods 0.000 title claims abstract description 125
- 238000001179 sorption measurement Methods 0.000 title abstract description 11
- 230000008569 process Effects 0.000 claims description 74
- 238000003825 pressing Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/406—Further details for adsorption processes and devices using more than four beds
- B01D2259/4061—Further details for adsorption processes and devices using more than four beds using five beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/406—Further details for adsorption processes and devices using more than four beds
- B01D2259/4066—Further details for adsorption processes and devices using more than four beds using nine beds
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention provided a pressure swing adsorption oxygen generation method for an oxygen generation system. The pressure swing adsorption oxygen generation method is utilized for solving the problem that a recovery rate of oxygen produced by the existing pressure swing adsorption oxygen generation method is low. The pressure swing adsorption oxygen generation method comprises one or more preset treatment steps. In an oxygen generation system, each one of the preset treatment steps is carried out by each tower and each one of its neighbor towers. The pressure swing adsorption oxygen generation method is beneficial to improve a recovery rate of generated oxygen.
Description
Technical field
The present invention relates to a kind of omnibus control system method.
Background technology
The omnibus control system technology is as a last century 60, an emerging technology of the exploitation seventies, compare with traditional Deep Cooling Method, chemical method, electrolysis legal system oxygen etc., have characteristics such as small batch system oxygen cost is low, system oxygen is quick, convenient, safety, therefore worldwide be widely used and tremendous development in nearly 40 years.Especially in fields such as smelting iron and steel, aquaculture, sewage disposal, health cares.Enter 21 century, the human world is to the anxiety of lack of energy and to the attention of living environment, energy-conservation, reduce discharging, green, main flow demand that environmental protection has become entire society, also the development of omnibus control system technology is had higher requirement promptly more energy-conservation, low noise more.Therefore, the developing direction of PSA oxygenerating technology also will mainly concentrate on three aspects from now on: 1, more advanced system oxygen technical process 3, the mechanism that realizes aforementioned advanced technologies flow process or the development or the improvement of special service valve of molecular sieve 2, the exploitation of development oxygen nitrogen fractionation by adsorption better effects if.Wherein, the system oxygen technical process that exploitation is advanced, improving oxygen recovery rate is to make one of measure that oxygen generating plant is more energy-conservation, noise is lower, repeatedly all to press be than being easier to conceivable method and adopt.But repeatedly all press and still can bring some drawbacks, as the quantity increase of adsorption tower, equalizing valve door, it is complicated that mechanism becomes, and cost strengthens, and breakdown rate significantly improves.Therefore, for multitower,, do not have economic implications if adopt the huge magnetic valve of quantity to finish repeatedly all baric flow journeys.
U.S. Pat 2009/0107332A1 has set forth and has adopted many way rotary valves to realize the technical process that four towers are all pressed for twice, but Moving plate and price fixing according to the multiway rotary distributing valve of this process design all do not have symmetry characteristic, need go the upsetting moment of balanced gas with very big spring force.Not only increase the possibility of leaking, and strengthened the driving moment of Moving plate, increased energy consumption.Simultaneously, four towers are only all pressed through twice, and oxygen recovery rate improves limited.
Chinese patent 200710057050 has been set forth three equal compression technology flow processs of a kind of six towers, though the rate of recovery increases, but this flow process can not guarantee the centre symmetry design of rotary valve Moving plate equally, shortcoming is similar with 2009/0107332A1, simultaneously, oxygen recovery rate still has bigger room for promotion.
Summary of the invention
Main purpose of the present invention provides a kind of omnibus control system method, to solve the lower problem of oxygen recovery rate of omnibus control system in the prior art.
To achieve these goals, the invention provides a kind of omnibus control system method of oxygen generation system.
The omnibus control system method of oxygen generation system of the present invention comprises one or more predefined process steps, and for each described predefined process step, a plurality of adjacent towers of every side are carried out described predefined process in each tower in the described oxygen generation system and this tower both sides.
Further, the number of tower is an odd number in the described oxygen generation system.
Further, the number of described tower is 9, and three adjacent towers of three adjacent towers of each tower described in the described predefined process step and this tower first side and second side are carried out predefined process.
Further, the predefined process step of each tower in the described oxygen generation system is: carry out described predefined process with adjacent first tower of first side; Carry out described predefined process with adjacent the 3rd tower of second side; Adjacent second tower with first side carries out described predefined process; Adjacent second tower with second side carries out described predefined process; Adjacent the 3rd tower with first side carries out described predefined process; Adjacent first tower with second side carries out described predefined process.
Further, the predefined process step of each tower in the described oxygen generation system is: adjacent first tower with second side carries out described predefined process; Adjacent the 3rd tower with first side carries out described predefined process; Adjacent second tower with second side carries out described predefined process; Adjacent second tower with first side carries out described predefined process; Adjacent the 3rd tower with second side carries out described predefined process; Adjacent first tower with first side carries out described predefined process.
Further, described predefined process is for all pressing, and described system oxygen step is as follows, and tower wherein is followed successively by the A tower to the I tower: the air inlet of A tower is boosted; B tower and D tower are all pressed; The C tower is contrary to be put; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed; The air inlet of A tower is boosted; B tower and D tower are all pressed; The C tower is by the product oxygen blow; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed; The A tower adsorbs oxygen; B tower and I tower are all pressed; The C tower is by the product oxygen blow, and D tower and G tower are all pressed; E tower and F tower are all pressed; The H tower is contrary to be put; The A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is contrary to be put; The A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is purged by oxygen product; A tower and B tower are all pressed; C tower and I tower are all pressed; The D tower is contrary to be put; E tower and G tower are all pressed; The F tower adsorbs oxygen; The H tower is purged by oxygen product; A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is contrary to be put; The F tower adsorbs oxygen; H and I all press; A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is purged by oxygen product; The F tower adsorbs oxygen; H and I all press; A tower and C tower are all pressed; The B tower adsorbs oxygen; The D tower is purged by oxygen product; E and H all press; F tower and G tower are all pressed; The I tower is contrary to be put; A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is contrary to be put; A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is purged by oxygen product; A tower and D tower are all pressed; B tower and C tower are all pressed; The emptying of E tower; F tower and H tower are all pressed; The G tower adsorbs oxygen; The I tower is contrary to be put; A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is contrary to be put; The G tower adsorbs oxygen; A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is by the product oxygen blow; The G tower adsorbs oxygen; The A tower is contrary to be put; B tower and D tower are all pressed; The C tower adsorbs oxygen; The E tower is swept by the product air-blowing; F tower and I tower are all pressed; G tower and H tower are all pressed; The A tower is contrary to be put; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted; The A tower is purged by oxygen product; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted; The A tower is purged by oxygen product; B tower and E tower are all pressed; C tower and D tower are all pressed; The F tower is contrary to be put; G tower and I tower are all pressed; The H tower adsorbs oxygen; A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is contrary to be put; The H tower adsorbs oxygen; A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is by the product oxygen blow; The H tower adsorbs oxygen; A tower and G tower are all pressed; The emptying of B tower; C tower and E tower are all pressed; D tower output oxygen; The F tower is by the product oxygen blow; H tower and I tower are all pressed; A tower and C tower are all pressed; The B tower is contrary to be put, and the D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising; A tower and C tower are all pressed; The B tower is by the product oxygen blow; The D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising; A tower and H tower are all pressed; The B tower is by the product oxygen blow; C tower and F tower are all pressed; D tower and E tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen; A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen; A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is by the product oxygen blow; The I tower adsorbs oxygen; A tower and I tower are all pressed; B tower and H tower are all pressed; The C tower is contrary to be put; D tower and F tower are all pressed; The E tower adsorbs oxygen; The G tower is by the product oxygen blow.
Further, the number of described tower is 9, and two towers that each tower is adjacent with this tower first side in the described predefined process step and two adjacent towers of second side carry out described predefined process.
Further, the predefined process step of each tower in the described oxygen generation system is: adjacent first tower with first side carries out described predefined process; Suspend; Adjacent second tower with first side carries out described predefined process; Adjacent second tower with second side carries out described predefined process; Suspend; Adjacent first tower with second side carries out described predefined process.
Further, the described predefined process step of carrying out of each tower in the described oxygen generation system is: adjacent first tower with second side carries out described predefined process; Suspend; Adjacent second tower with second side carries out described predefined process; Adjacent second tower with first side carries out described predefined process; Suspend; Adjacent first tower with first side carries out described predefined process.
Further, the number of described tower is 5, and two towers that each tower is adjacent with this tower first side in the described predefined process step and two adjacent towers of second side carry out described predefined process.
Further, the predefined process step of each tower in the described oxygen generation system is: adjacent first tower with first side carries out described predefined process; Adjacent first tower with second side carries out described predefined process.
Further, the predefined process step of each tower in the described oxygen generation system is: adjacent first tower with second side carries out described predefined process; Adjacent first tower with first side carries out described predefined process.
Further, described predefined process comprises one or more in the following processing: pressurising, along putting, wash, all pressing.
According to technical scheme of the present invention, can realize that oxygen recovery rate reaches the target of 65%-75%, thereby produce the oxygen of equivalent, than other technical process uses raw air still less, indexs such as the power of air compressor machine, volume, weight all reduce greatly, and allow extremely short loop cycle, the consumption of corresponding molecular sieve also can greatly reduce.
Description of drawings
Figure of description is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 arranges synoptic diagram according to nine tower gas circuits of the tower of the oxygen generation system of the embodiment of the invention;
Fig. 2 is a kind of synoptic diagram of all pressing sequence of steps according to the embodiment of the invention;
Fig. 3 is the gas circuit interface chart of nine towers of the embodiment of the invention; And
Fig. 4 arranges synoptic diagram according to five tower gas circuits of the tower of the oxygen generation system of the embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The omnibus control system method of the oxygen generation system of the embodiment of the invention comprises one or more predefined process steps, and a plurality of adjacent towers of every side are all pressed in each tower in the oxygen generation system and this tower both sides.The predetermined process here includes but not limited to pressurising, along in putting, wash, all pressing one or more.Below be that example describes with equal press operation.
Each tower realizes all pressing for six times step (being second kind of order in the bracket) according to following two kinds of orders:
(1), all presses with clockwise (counterclockwise) adjacent first tower;
(2), all press with counterclockwise (clockwise) adjacent the 3rd tower;
(3) all press with clockwise (counterclockwise) adjacent second tower;
(4) all press with counterclockwise (clockwise) adjacent second tower;
(5) all press with clockwise (counterclockwise) adjacent the 3rd tower;
(6) all press with counterclockwise (clockwise) adjacent first tower.
For example, with reference to figure 1, Fig. 1 arranges synoptic diagram according to nine tower gas circuits of the tower of the oxygen generation system of the embodiment of the invention.It is circular arrangement herein.The both sides of each tower are furnished with other towers equally under other decoration forms.For tower A, its all pressure two kinds of possible schemes are arranged in proper order, first kind of scheme is shown among Fig. 2.Fig. 2 is a kind of synoptic diagram of all pressing sequence of steps according to the embodiment of the invention, and concrete steps are as follows:
(1), all presses (adjacent first tower clockwise) with the B tower;
(2), all press (adjacent the 3rd tower counterclockwise) with the G tower;
(3), all press (adjacent second tower clockwise) with the C tower;
(4), all press (adjacent second tower counterclockwise) with the H tower;
(5), all press (adjacent the 3rd tower clockwise) with the D tower;
(6), all press (adjacent first tower counterclockwise) with the I tower.
As follows for second kind of scheme of tower A:
(1), all presses (adjacent first tower counterclockwise) with the I tower;
(2), all press (adjacent the 3rd tower clockwise) with the D tower;
(3), all press (adjacent second tower counterclockwise) with the H tower;
(4), all press (adjacent second tower clockwise) with the C tower;
(5), all press (adjacent the 3rd tower counterclockwise) with the G tower;
(6), all press (adjacent first tower clockwise) with the B tower.
All pressures order of other towers can be released according to the principle of setting forth previously.
The flow process that contains each six step of tower, six equal compression technology step is achieved by following technical proposals, and Fig. 3 is the gas circuit interface chart of nine towers of the embodiment of the invention.The method for producing oxygen through in 27 steps of nine towers is specific as follows:
1.A the tower air inlet is boosted; B tower and D tower are all pressed; The C tower is contrary to be put; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed;
2.A the tower air inlet is boosted; B tower and D tower are all pressed; The C tower is by the product oxygen blow; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed;
3.A tower adsorbs oxygen; B tower and I tower are all pressed; The C tower is by the product oxygen blow, and D tower and G tower are all pressed; E tower and F tower are all pressed; The H tower is contrary to be put;
4.A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is contrary to be put;
5.A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is purged by oxygen product;
6.A tower and B tower are all pressed; C tower and I tower are all pressed; The D tower is contrary to be put; E tower and G tower are all pressed; The F tower adsorbs oxygen; The H tower is purged by oxygen product;
7.A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is contrary to be put; The F tower adsorbs oxygen; H and I all press;
8.A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is purged by oxygen product; The F tower adsorbs oxygen; H and I all press;
9.A tower and C tower are all pressed; The B tower adsorbs oxygen; The D tower is purged by oxygen product; E and H all press; F tower and G tower are all pressed; The I tower is contrary to be put;
10.A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is contrary to be put;
11.A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is purged by oxygen product;
12.A tower and D tower are all pressed; B tower and C tower are all pressed; The emptying of E tower; F tower and H tower are all pressed; The G tower adsorbs oxygen; The I tower is contrary to be put;
13.A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is contrary to be put; The G tower adsorbs oxygen;
14.A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is by the product oxygen blow; The G tower adsorbs oxygen;
Put 15.A tower is contrary; B tower and D tower are all pressed; The C tower adsorbs oxygen; The E tower is swept by the product air-blowing; F tower and I tower are all pressed; G tower and H tower are all pressed;
Put 16.A tower is contrary; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted;
17.A tower is purged by oxygen product; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted;
18.A tower is purged by oxygen product; B tower and E tower are all pressed; C tower and D tower are all pressed; The F tower is contrary to be put; G tower and I tower are all pressed; The H tower adsorbs oxygen;
19.A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is contrary to be put; The H tower adsorbs oxygen;
20.A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is by the product oxygen blow; The H tower adsorbs oxygen;
21.A tower and G tower are all pressed; The emptying of B tower; C tower and E tower are all pressed; D tower output oxygen; The F tower is by the product oxygen blow; H tower and I tower are all pressed;
22.A tower and C tower are all pressed; The B tower is contrary to be put, and the D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising;
23.A tower and C tower are all pressed; The B tower is by the product oxygen blow; The D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising;
24.A tower and H tower are all pressed; The B tower is by the product oxygen blow; C tower and F tower are all pressed; D tower and E tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen;
25.A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen;
26.A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is by the product oxygen blow; The I tower adsorbs oxygen;
27.A tower and I tower are all pressed; B tower and H tower are all pressed; The C tower is contrary to be put; D tower and F tower are all pressed; The E tower adsorbs oxygen; The G tower is by the product oxygen blow.
The summary of the property concluded is referring to table 1.
Table 1
The feasible scheme of another of present embodiment is: each tower realizes in the following order promptly that only with counterclockwise, adjacent four towers are finished four times and all pressed clockwise six steps all pressed step four times in 9 towers:
(1), all presses with clockwise (counterclockwise) adjacent first tower;
(2), suspend;
(3) all press with clockwise (counterclockwise) adjacent second tower;
(4) all press with counterclockwise (clockwise) adjacent second tower;
(5) suspend;
(6) all press with counterclockwise (clockwise) adjacent first tower;
For example, equally for tower A, its all pressure order just will be following job order:
First kind:
(1), all presses (adjacent first tower clockwise) with the B tower;
(2), suspend;
(3), all press (adjacent second tower clockwise) with the C tower;
(4), all press (adjacent second tower counterclockwise) with the H tower;
(5), suspend;
(6), all press (adjacent first tower counterclockwise) with the I tower.
Second kind:
(1), all presses (adjacent first tower counterclockwise) with the I tower;
(2), suspend;
(3), all press (adjacent second tower counterclockwise) with the H tower;
(4), all press (adjacent second tower clockwise) with the C tower;
(5), suspend;
(6), all press (adjacent first tower clockwise) with the B tower.
All pressures order of other towers can also be released according to the principle of setting forth previously.
The technical scheme that contains the flow process of each six step of tower, four equal compression technology step can be referring to table 2.
Table 2
All pressures order that this invention provides not only is suitable for all baric flow journeys of 9 towers six times (or four times), is suitable for equally for 5 towers, 13 towers etc.As all pressing for better simply 5 tower secondaries, each tower is successively all pressed with its 2 clockwise, adjacent counterclockwise towers, and order is as follows:
(1), all presses with clockwise (counterclockwise) adjacent first tower;
(2), all press with counterclockwise (clockwise) adjacent first tower;
For example, too for tower A, its all pressure order will be following job order just, referring to Fig. 4, Fig. 4 is the five tower gas circuits layout synoptic diagram according to the tower of the oxygen generation system of the embodiment of the invention:
(1), all presses (adjacent first tower clockwise) with the B tower;
(2), all press (adjacent first tower counterclockwise) with the E tower.
Perhaps:
(1), all presses (adjacent first tower counterclockwise) with the E tower;
(2), all press (adjacent first tower clockwise) with the B tower.
The flow process that contains 5 towers, two steps, twice equal compression technology step can be derived according to the description of front principle.
It needs to be noted: the definition of all pressing in the transformation absorption term is a kind of general designation, by all pressing, can realize the boosting of adsorption tower, step-down.Therefore, in the technical process by all pressing the appellation of steps such as the boosting of the adsorption tower that causes, step-down, its substantial implication with all press the same.
In addition, above all pressures order also not only is confined to all press step, in fact in the pressure swing adsorption technique flow process that can change, all press also can by pressurising, along put, processing step such as flushing substitutes.But each tower does not exceed category of the present invention equally as long as carry out according to the order successively of processing steps such as previously described clockwise, counterclockwise first tower, second tower.Example is as shown in table 3.
Table 3
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the omnibus control system method of an oxygen generation system comprises one or more predefined process steps, it is characterized in that:
For each described predefined process step, a plurality of adjacent towers of every side are carried out described predefined process in each tower in the described oxygen generation system and this tower both sides.
2. method according to claim 1 is characterized in that, the number of tower is an odd number in the described oxygen generation system.
3. method according to claim 2 is characterized in that, the number of described tower is 9, and three adjacent towers of three adjacent towers of each tower described in the described predefined process step and this tower first side and second side are carried out predefined process.
4. method according to claim 3 is characterized in that, the predefined process step of each tower in the described oxygen generation system is:
Carry out described predefined process with adjacent first tower of first side;
Carry out described predefined process with adjacent the 3rd tower of second side;
Adjacent second tower with first side carries out described predefined process;
Adjacent second tower with second side carries out described predefined process;
Adjacent the 3rd tower with first side carries out described predefined process;
Adjacent first tower with second side carries out described predefined process.
5. method according to claim 3 is characterized in that, the predefined process step of each tower in the described oxygen generation system is:
Adjacent first tower with second side carries out described predefined process;
Adjacent the 3rd tower with first side carries out described predefined process;
Adjacent second tower with second side carries out described predefined process;
Adjacent second tower with first side carries out described predefined process;
Adjacent the 3rd tower with second side carries out described predefined process;
Adjacent first tower with first side carries out described predefined process.
6. method according to claim 3 is characterized in that, described predefined process is for all pressing, and described system oxygen step is as follows, and tower wherein is followed successively by the A tower to the I tower:
The air inlet of A tower is boosted; B tower and D tower are all pressed; The C tower is contrary to be put; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed;
The air inlet of A tower is boosted; B tower and D tower are all pressed; The C tower is by the product oxygen blow; The E tower adsorbs oxygen; F tower and I tower are all pressed; G tower and H tower are all pressed;
The A tower adsorbs oxygen; B tower and I tower are all pressed; The C tower is by the product oxygen blow, and D tower and G tower are all pressed; E tower and F tower are all pressed; The H tower is contrary to be put;
The A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is contrary to be put;
The A tower adsorbs oxygen; B tower and E tower are all pressed; C tower and D tower are all pressed; The air inlet of F tower is boosted; G tower and I tower are all pressed; The H tower is purged by oxygen product;
A tower and B tower are all pressed; C tower and I tower are all pressed; The D tower is contrary to be put; E tower and G tower are all pressed; The F tower adsorbs oxygen; The H tower is purged by oxygen product;
A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is contrary to be put; The F tower adsorbs oxygen; H and I all press;
A tower and G tower are all pressed; The air inlet of B tower is boosted; C tower and E tower are all pressed; The D tower is purged by oxygen product; The F tower adsorbs oxygen; H and I all press;
A tower and C tower are all pressed; The B tower adsorbs oxygen; The D tower is purged by oxygen product; E and H all press; F tower and G tower are all pressed; The I tower is contrary to be put;
A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is contrary to be put;
A tower and H tower are all pressed; The B tower adsorbs oxygen; C tower and F tower are all pressed; D tower and E tower are all pressed; The air inlet of G tower is boosted; The I tower is purged by oxygen product;
A tower and D tower are all pressed; B tower and C tower are all pressed; The emptying of E tower; F tower and H tower are all pressed; The G tower adsorbs oxygen; The I tower is contrary to be put;
A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is contrary to be put; The G tower adsorbs oxygen;
A tower and I tower are all pressed; B tower and H tower are all pressed; The air inlet of C tower is boosted; D tower and F tower are all pressed; The E tower is by the product oxygen blow; The G tower adsorbs oxygen;
The A tower is contrary to be put; B tower and D tower are all pressed; The C tower adsorbs oxygen; The E tower is swept by the product air-blowing; F tower and I tower are all pressed; G tower and H tower are all pressed;
The A tower is contrary to be put; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted;
The A tower is purged by oxygen product; B tower and I tower are all pressed; The C tower adsorbs oxygen; D and G all press; E tower and F tower are all pressed; The air inlet of H tower is boosted;
The A tower is purged by oxygen product; B tower and E tower are all pressed; C tower and D tower are all pressed; The F tower is contrary to be put; G tower and I tower are all pressed; The H tower adsorbs oxygen;
A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is contrary to be put; The H tower adsorbs oxygen;
A tower and B tower are all pressed; C tower and I tower are all pressed; D tower air inlet pressurising; E tower and G tower are all pressed; The F tower is by the product oxygen blow; The H tower adsorbs oxygen;
A tower and G tower are all pressed; The emptying of B tower; C tower and E tower are all pressed; D tower output oxygen; The F tower is by the product oxygen blow; H tower and I tower are all pressed;
A tower and C tower are all pressed; The B tower is contrary to be put, and the D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising;
A tower and C tower are all pressed; The B tower is by the product oxygen blow; The D tower adsorbs oxygen; E tower and H tower are all pressed; F tower and G tower are all pressed; I tower air inlet pressurising;
A tower and H tower are all pressed; The B tower is by the product oxygen blow; C tower and F tower are all pressed; D tower and E tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen;
A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is contrary to be put; The I tower adsorbs oxygen;
A tower and D tower are all pressed; B tower and C tower are all pressed; E tower air inlet pressurising; F tower and H tower are all pressed; The G tower is by the product oxygen blow; The I tower adsorbs oxygen;
A tower and I tower are all pressed; B tower and H tower are all pressed; The C tower is contrary to be put; D tower and F tower are all pressed; The E tower adsorbs oxygen; The G tower is by the product oxygen blow.
7. method according to claim 2 is characterized in that, the number of described tower is 9, and two towers that each tower is adjacent with this tower first side in the described predefined process step and two adjacent towers of second side carry out described predefined process.
8. method according to claim 7 is characterized in that, the predefined process step of each tower in the described oxygen generation system is:
Adjacent first tower with first side carries out described predefined process;
Suspend;
Adjacent second tower with first side carries out described predefined process;
Adjacent second tower with second side carries out described predefined process;
Suspend;
Adjacent first tower with second side carries out described predefined process.
9. method according to claim 7 is characterized in that, the described predefined process step of carrying out of each tower in the described oxygen generation system is:
Adjacent first tower with second side carries out described predefined process;
Suspend;
Adjacent second tower with second side carries out described predefined process;
Adjacent second tower with first side carries out described predefined process;
Suspend;
Adjacent first tower with first side carries out described predefined process.
10. method according to claim 2 is characterized in that, the number of described tower is 5, and two towers that each tower is adjacent with this tower first side in the described predefined process step and two adjacent towers of second side carry out described predefined process.
11. method according to claim 10 is characterized in that, the predefined process step of each tower in the described oxygen generation system is:
Adjacent first tower with first side carries out described predefined process;
Adjacent first tower with second side carries out described predefined process.
12. method according to claim 10 is characterized in that, the predefined process step of each tower in the described oxygen generation system is:
Adjacent first tower with second side carries out described predefined process;
Adjacent first tower with first side carries out described predefined process.
13. method according to claim 1 is characterized in that, described predefined process comprises one or more in the following processing:
Pressurising, along putting, wash, all pressing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106204358A CN102267686B (en) | 2010-12-31 | 2010-12-31 | Pressure swing adsorption oxygen generation method |
| PCT/CN2011/084728 WO2012089100A1 (en) | 2010-12-31 | 2011-12-27 | Method for producing oxygen by pressure swing adsorption |
| EA201270811A EA025770B9 (en) | 2010-12-31 | 2011-12-27 | Method for producing oxygen from air by pressure swing adsorption |
| BR112012032961A BR112012032961A2 (en) | 2010-12-31 | 2011-12-27 | method for pressure modulated adosorption oxygen production |
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| CN2010106204358A CN102267686B (en) | 2010-12-31 | 2010-12-31 | Pressure swing adsorption oxygen generation method |
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| CN102267686B CN102267686B (en) | 2013-12-04 |
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| CN (1) | CN102267686B (en) |
| BR (1) | BR112012032961A2 (en) |
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| WO (1) | WO2012089100A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089100A1 (en) * | 2010-12-31 | 2012-07-05 | 北京谊安医疗系统股份有限公司 | Method for producing oxygen by pressure swing adsorption |
| CN105858614A (en) * | 2016-06-07 | 2016-08-17 | 威海柏林圣康空氧科技有限公司 | Four-tower eight-step oxygen generation method |
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- 2010-12-31 CN CN2010106204358A patent/CN102267686B/en active Active
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2011
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- 2011-12-27 EA EA201270811A patent/EA025770B9/en not_active IP Right Cessation
- 2011-12-27 BR BR112012032961A patent/BR112012032961A2/en not_active Application Discontinuation
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| US4171207A (en) * | 1978-08-21 | 1979-10-16 | Air Products And Chemicals, Inc. | Separation of multicomponent gas mixtures by pressure swing adsorption |
| JPS60193520A (en) * | 1984-03-15 | 1985-10-02 | Showa Denko Kk | Turn down controlling method by pressure fluctuation adsorption method |
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| CN105858614A (en) * | 2016-06-07 | 2016-08-17 | 威海柏林圣康空氧科技有限公司 | Four-tower eight-step oxygen generation method |
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Also Published As
| Publication number | Publication date |
|---|---|
| EA025770B9 (en) | 2017-05-31 |
| BR112012032961A2 (en) | 2019-05-28 |
| EA201270811A1 (en) | 2013-04-30 |
| CN102267686B (en) | 2013-12-04 |
| EA025770B1 (en) | 2017-01-30 |
| WO2012089100A1 (en) | 2012-07-05 |
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