CN107213748A - A kind of CO purification systems and rotary valve - Google Patents

A kind of CO purification systems and rotary valve Download PDF

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Publication number
CN107213748A
CN107213748A CN201710557885.9A CN201710557885A CN107213748A CN 107213748 A CN107213748 A CN 107213748A CN 201710557885 A CN201710557885 A CN 201710557885A CN 107213748 A CN107213748 A CN 107213748A
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China
Prior art keywords
subflow road
annular channel
road
tumbler
subflow
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Granted
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CN201710557885.9A
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CN107213748B (en
Inventor
张惊涛
席向峰
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Chengdu Sepmem Sci & Tech Co Ltd
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Chengdu Sepmem Sci & Tech Co Ltd
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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
    • 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
    • B01D53/0454—Controlling adsorption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

A kind of CO purification systems and rotary valve, are related to CO purification techniques field.CO purification systems include raw material air pipe, non-adsorbed air pipe, inverse put air pipe, rotary valve and adsorption tower.Rotary valve includes nonrotational part and tumbler, and nonrotational part has first flow, and tumbler has second flow channel.Tumbler is rotated so that second flow channel selectively connects raw material air pipe, non-adsorbed air pipe, inverse put air pipe and adsorption tower.Multi-pipeline is controlled with a rotary valve, cost is reduced, it is easy to control.

Description

A kind of CO purification systems and rotary valve
Technical field
The present invention relates to CO purification techniques field, in particular to a kind of CO purification systems and rotary valve.
Background technology
Pressure Swing Adsorption CO systems are added whole more due to comprising many operating procedures, causing sequencing valve quantity very The investment cost and equipment installation cost of individual device, and vavle shelf area floor space is big, is unfavorable for device into sled.
Pressure Swing Adsorption CO systems are short due to circulation time, cause sequencing valve switching frequency high, each unit failure of valve Probability significantly increases.Meanwhile, in pressure-variable adsorption pressure equalization process, valve element is washed away by high velocity air, and valve sealing face is easy Damage, cause valves leakage, influence plant running, increase the regular maintenance expense and maintenance difficulty of device, and extend production When consume, add production cost.
From the point of view of the running situation of current Pressure Swing Adsorption CO devices, leakage is that influence is whole in sequencing valve failure or sealing surface The maximum bottleneck of individual device stable operation.Although journey can be extended by improving the form of valve design and optimization sealing surface structure The problem of controlling valve use time, but can not fundamentally avoid leaking in sequencing valve failure and sealing surface.CO belongs to highly toxic gas Body, its leakage easily causes personnel to injure.
The content of the invention
First purpose of the present invention be to provide a kind of CO purification systems, and it passes through rotary valve and replaces traditional multi-pipeline work Complicated sequencing valve during skill, realizes a rotary valve while multiple pipelines are switched over the purpose of control, phase Than in traditional sequencing valve, significantly reducing the consumptive material of production equipment, equipment investment cost is reduced, while making the control to valve More facilitate, reduce the fault rate of valve, reduce maintenance cost.
Second object of the present invention is to provide a kind of rotary valve, and it can replace wrong in traditional multi-pipeline technical process Comprehensive complicated sequencing valve, while switching over control to multiple pipelines, compared to traditional sequencing valve, significantly reduces production equipment Consumptive material, reduce equipment investment cost, at the same control more facilitate, reduce fault rate, reduce maintenance cost.
What embodiments of the invention were realized in：
A kind of CO purification systems, it includes raw material air pipe, non-adsorbed air pipe, inverse put air pipe, rotary valve and at least One adsorption tower.Adsorption tower has the first interface connected with its adsorbent chamber and second interface.Rotary valve include nonrotational part and The tumbler that can be rotated relative to nonrotational part, nonrotational part has the first flow through its side wall, and first flow includes first Subflow road, the second subflow road, the 3rd subflow road, the 4th subflow road and the 5th subflow road, tumbler have second flow channel.First connects Mouth and the first sub- flow passage, second interface and the second sub- flow passage, raw material air pipe and the 3rd sub- flow passage, non-adsorbed Air pipe and the 4th sub- flow passage, inverse put air pipe and the 5th sub- flow passage.
The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in a rotation period of tumbler：Second Runner selectively communicates with the first subflow road and the 3rd subflow road, and simultaneously by the second subflow road and the 4th subflow road selectivity Ground is connected, and for single adsorption tower, connection duration, the second subflow road and the 4th in the first subflow road and the 3rd subflow road The connection duration in subflow road accounts for 1/5th of rotation period；Second flow channel is selective by the first subflow road and the 5th subflow road Ground is connected, and for single adsorption tower, the connection duration in the first subflow road and the 5th subflow road accounts for the 15 of rotation period / mono-.
Further, CO purification systems also include displacement gas intake line and displacement gas output pipe, and first flow is also wrapped Include the 6th subflow road and the 7th subflow road, displacement gas intake line and the 6th sub- flow passage, displacement gas output pipe and the 7th Sub- flow passage.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second flow channel is by first Subflow road is selectively communicated with the 6th subflow road, and simultaneously selectively communicates with the second subflow road and the 7th subflow road, and For single adsorption tower, the connection duration in the first subflow road and the 6th subflow road, the second subflow road and the 7th subflow road Connection duration accounts for 1/10th of rotation period.
Further, CO purification systems also include whole loading line, and first flow also includes the 8th subflow road, whole gas tube The sub- flow passages of Lu Yu eight.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second Road selectively communicates with the second subflow road and the 8th subflow road, and for single adsorption tower, the second subflow road and the 8th The connection duration in subflow road accounts for 1st/15th of rotation period.
Further, CO purification systems also include evacuate pipeline, first flow also include the 9th subflow road, evacuate pipeline with 9th sub- flow passage.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second flow channel will First subflow road is selectively communicated with the 9th subflow road, and for single adsorption tower, the first subflow road and the 9th subflow The connection duration in road accounts for 1/5th of rotation period.
Further, first interface, second interface, raw material air pipe, non-adsorbed air pipe, eventually inverse put air pipe, inflation Pipeline and evacuation pipeline are connected with nonrotational part.
Further, second flow channel includes multiple annular channels and multiple interlayer runners；Annular channel is by the outer of tumbler Wall is recessed towards the side away from nonrotational part, and circumferentially disposed and annular channel of the annular channel along tumbler is in fan ring-type substantially Or it is circular, the center of circle of the circumference corresponding to annular channel is located at the rotational axis line of tumbler, and each interlayer runner is communicated to Few two annular channels.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Annular channel with Interlayer runner selectively communicates with the first subflow road and the 3rd subflow road, and simultaneously selects the second subflow road and the 4th subflow road Connect to selecting property；Annular channel selectively communicates with the first subflow road and the 5th subflow road with interlayer runner.
Further, tumbler includes the multiple parallel and elementary layer that is coaxially disposed, the axial lines of multiple elementary layers with The rotational axis line of tumbler, which is overlapped, to be set, and each elementary layer is provided with least one annular channel.
Further, for any one subflow road and an annular channel with sub- flow passage, along tumbler Circumferential, the ratio that the corresponding central angle number of degrees sum of both the length of annular channel and the aperture in subflow road accounts for all angle numbers is First ratio, the flow time of adsorption process of subflow road when being connected to annular channel residing for corresponding adsorption tower accounts for a flow week The ratio of phase is the second ratio, and the first ratio and the second ratio are of substantially equal.
Further, adsorption tower is multiple, the first subflow road and the second subflow road also to be multiple, each first subflow road and At least one first interface is connected, and each second subflow road is connected with least one second interface.The tumbler of rotary valve is used for Rotated relative to nonrotational part, so that second flow channel selectively connects in each the second subflow road.
Further, adsorption tower, the first subflow road and the second subflow road are 10, first interface and the first subflow road one One correspondence connection, second interface is corresponded with the second subflow road and connected.The tumbler of rotary valve turns for relatively nonrotational part It is dynamic, so that in rotation period：The second interface of annular channel and near few two adsorption towers of interlayer runner is selectively communicated with, And the connection duration of the second interface of an adsorption tower and the second interface of other adsorption towers accounts for 4th/15th of rotation period.
Further, CO purification systems also include evacuate pipeline, first flow also include the 9th subflow road, evacuate pipeline with At least one the 9th sub- flow passage.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：The Two runners are by the first subflow road and the 9th sub- flow passage, and for single adsorption tower, the first subflow road and the 9th subflow The connection duration in road accounts for 1/5th of rotation period.
A kind of rotary valve, it includes tumbler and nonrotational part, and tumbler can be rotated relative to nonrotational part；Nonrotational part tool Have through multiple subflow roads of its side wall, multiple subflow roads are respectively used to and raw material air pipe, non-adsorbed air pipe, inverse put tracheae The second interface connection on road, the first interface of adsorption tower and adsorption tower.Tumbler includes list that is multiple parallel and being coaxially disposed First layer, the axial line of multiple elementary layers overlaps setting with the rotational axis line of tumbler, and each elementary layer was equipped with along its week To the annular channel of setting, tumbler is additionally provided with multiple interlayer runners, and each interlayer runner is used at least two annular channels Connection.
The tumbler of rotary valve is used to rotate relative to nonrotational part, so that annular channel and interlayer runner are by raw material tracheae Road, inverse put air pipe are selectively connected with first interface, and non-adsorbed air pipe is selectively connected with second interface.
The beneficial effect of the embodiment of the present invention is：
CO purification systems provided in an embodiment of the present invention replace crisscross multiple in traditional multi-pipeline technical process by rotary valve Miscellaneous sequencing valve, realizes the purpose that a rotary valve switches over control to multiple pipelines.By the rotation for rotating rotary valve Part, can make second flow channel selectively connect in each subflow road of first flow, and then adsorption tower is selected with each pipeline Property connection so as to complete each flow in pressure-variable adsorption.Compared to traditional sequencing valve, the consumption of production equipment is significantly reduced Material, reduces equipment investment cost and installation cost, simplifies equipment installation, and the time for shortening equipment installation and dismounting disappears Consumption.Meanwhile, it by rotating the tumbler of rotary valve can be achieved that the connected mode of the pipeline of whole system is controlled and adjusted It is whole, operating burden of the valve in switching is enormously simplify, the control to valve is more facilitated, reduces the fault rate of valve, Reduce maintenance cost.
CO purification systems provided in an embodiment of the present invention can change the annexation of whole pipeline by rotating rotary valve, Set by the rotating speed or adjustment timer that adjust the motor for being used to drive rotary valve, can effectively reduce pressure-variable adsorption and follow The ring time, make it possible that adsorption operations step run time is less than 2 seconds, and conventional pressure variated adsorption program control valve is opened due to sequencing valve The limitation of pass time, it is impossible to accomplish that operating procedure run time is less than 2 seconds.By reducing the pressure swing adsorption cycles time, it can make Adsorbent quickly carries out absorption work, and then reduces the filling size of adsorbent, and reduces with this equipment cost investment.This Outside, because the pressure swing adsorption cycles time shortens, the size of adsorption tower is reduced, is easy to whole device into sled, reduces the system of device Make and installation cost.
Rotary valve provided in an embodiment of the present invention, it can replace complicated program control in traditional multi-pipeline technical process Valve, while switching over control to multiple pipelines, compared to traditional sequencing valve, significantly reduces the consumptive material of production equipment, reduction Equipment investment cost, while control more facilitates, reduces fault rate, reduces maintenance cost.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram of CO purification systems provided in an embodiment of the present invention；
Fig. 2 be Fig. 1 in CO purification systems rotary valve schematic cross-section；
Fig. 3 is the axle along rotary valve of side wall and first flow of the nonrotational part of the rotary valve of the CO purification systems in Fig. 1 To the floor map cut and after being deployed；
Fig. 4 is cut for the second flow channel of the tumbler of the rotary valve of the CO purification systems in Fig. 1 along the axial direction of rotary valve Floor map after cutting and deploying；
Fig. 5 is the schematic diagram of the circular arc corresponding to annular channel and the subflow road of the CO purification systems in Fig. 1；
Fig. 6 be Fig. 1 in CO purification systems seal schematic diagram.
Icon：1000-CO purification systems；100- rotary valves；110- tumblers；The nonrotational parts of 120-；130- first flows； The first subflows of 131- road；131a- subflows road；131b- subflows road；131c- subflows road；131d- subflows road；131e- subflows road； 131f- subflows road；131g- subflows road；131h- subflows road；131i- subflows road；131j- subflows road；The second subflows of 132- road； 132a- subflows road；132b- subflows road；132c- subflows road；132d- subflows road；132e- subflows road；132f- subflows road； 132g- subflows road；132h- subflows road；132i- subflows road；132j- subflows road；The subflow roads of 133- the 3rd；The subflows of 134- the 4th Road；The subflow roads of 135- the 5th；The subflow roads of 136- the 6th；The subflow roads of 137- the 7th；The subflow roads of 138- the 8th；The subflows of 139- the 9th Road；140- second flow channels；01- annular channels；02- annular channels；03- annular channels；04- annular channels；041- annular channels； 042- annular channels；043- annular channels；044- annular channels；045- annular channels；05- annular channels；06- annular channels； 07- annular channels；071- annular channels；072- annular channels；073- annular channels；074- annular channels；075- annular channels； 076- annular channels；077- annular channels；078- annular channels；079- annular channels；0710- annular channels；08- annular flows Road；09- annular channels；001- interlayer runners；002- interlayer runners；003- interlayer runners；004- interlayer runners；005- interlayers Runner；006- interlayer runners；007- interlayer runners；008- interlayer runners；009- interlayer runners；0010- interlayer runners；0011- Interlayer runner；0012- interlayer runners；210- adsorption towers；210a- first interfaces；210b- second interfaces；211- adsorption towers； 211a- first interfaces；211b- second interfaces；212- adsorption towers；212a- first interfaces；212b- second interfaces；213- is adsorbed Tower；213a- first interfaces；213b- second interfaces；214- adsorption towers；214a- first interfaces；214b- second interfaces；215- inhales Attached tower；215a- first interfaces；215b- second interfaces；216- adsorption towers；216a- first interfaces；216b- second interfaces；217- Adsorption tower；217a- first interfaces；217b- second interfaces；218- adsorption towers；218a- first interfaces；218b- second interfaces； 219- adsorption towers；219a- first interfaces；219b- second interfaces；220- raw material air pipes；230- non-adsorbed air pipes；240- Inverse put air pipe；250- displacement gas intake lines；260- displacement gas output pipes；270- end loading lines；280- evacuation tubes Road；290- connecting tubes；300- seals.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively heavy The property wanted.
" substantially ", the term such as " basic " is intended to illustrate that related content is not absolute accurate of requirement, but can have one Fixed deviation.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected Connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment
Refer to Fig. 1, the present embodiment provides a kind of CO purification systems 1000, CO purification systems 1000 include rotary valve 100, Adsorption tower unit (not marked in figure), raw material air pipe 220, non-adsorbed air pipe 230, inverse put air pipe 240, displacement gas input Pipeline 250, displacement gas output pipe 260, whole loading line 270 and evacuation pipeline 280.
Raw material air pipe 220, non-adsorbed air pipe 230, inverse put air pipe 240, displacement gas intake line 250, displacement gas Output pipe 260, whole loading line 270, evacuation pipeline 280 and adsorption tower unit are connected with rotary valve 100.Need explanation , Fig. 1 illustrate only the connection between above-mentioned each pipeline and each interface and rotary valve 100 of adsorption tower unit Relation, Fig. 1 is the schematic diagram of annexation, and the position of connection is not defined.
Rotary valve 100 can be by raw material air pipe 220, non-adsorbed air pipe 230, inverse put air pipe in rotation process 240th, displacement gas intake line 250, displacement gas output pipe 260, whole loading line 270 and evacuation pipeline 280 are with adsorption tower list First selectivity connection, it is possible to connected mutually selective between each adsorption tower in adsorption tower unit, so that adsorption tower list Member can smoothly complete whole adsorption process.
CO purification systems 1000 replace complicated sequencing valve in traditional multi-pipeline technical process by rotary valve 100, Rotary valve 100 is realized while multiple pipelines are switched over the purpose of control.Compared to traditional sequencing valve, life is significantly reduced The consumptive material of equipment is produced, equipment investment cost is reduced, while making the control to valve and pipeline switching more facilitate, reduces valve The fault rate of door, reduces maintenance cost.
Fig. 2, Fig. 3 and Fig. 4 are referred to, rotary valve 100 includes tumbler 110 and nonrotational part 120, and tumbler 110 can turn Nonrotational part 120 is placed in dynamicly.In the present embodiment, tumbler 110 is cylindric in substantially, and nonrotational part 120 is in substantially Cylindrical shape, nonrotational part 120 is sheathed on tumbler 110, and nonrotational part 120 is coaxially disposed with tumbler 110, nonrotational part The lateral wall of 120 madial wall and tumbler 110 offsets.It should be noted that in other embodiments of the invention, tumbler 110 can also be in cylindrical shape substantially.
Further, nonrotational part 120 has first flow 130, and first flow 130 includes the first subflow road 131, second Subflow road 132, the 3rd subflow road 133, the 4th subflow road 134, the 5th subflow road 135, the 6th subflow road 136, the 7th subflow road 137th, the 8th subflow road 138 and the 9th subflow road 139.First flow 130 runs through the side wall of nonrotational part 120.Tumbler 110 With second flow channel 140.First flow 130 is used for adsorption tower unit and each pipeline connection, by first flow 130 With the control of the connected relation of second flow channel 140, the control to the adsorbed state of adsorption tower unit is realized indirectly.
Further, adsorption tower unit includes adsorption tower 210, adsorption tower 211, adsorption tower 212, adsorption tower 213, adsorption tower 214th, adsorption tower 215, adsorption tower 216, adsorption tower 217, adsorption tower 218 and adsorption tower 219.Wherein, adsorption tower 210 have with The first interface 210a and second interface 210b of its adsorbent chamber connection；Adsorption tower 211 has connected with its adsorbent chamber first to connect Mouth 211a and second interface 211b；Adsorption tower 212 has the first interface 212a and second interface 212b connected with its adsorbent chamber； Adsorption tower 213 has the first interface 213a and second interface 213b connected with its adsorbent chamber；Adsorption tower 214 has to be inhaled with it The first interface 214a and second interface 214b of attached chamber connection；Adsorption tower 215 has the first interface connected with its adsorbent chamber 215a and second interface 215b；Adsorption tower 216 has the first interface 216a and second interface 216b connected with its adsorbent chamber；Inhale Attached tower 217 has the first interface 217a and second interface 217b connected with its adsorbent chamber；Adsorption tower 218 has to be adsorbed with it The first interface 218a and second interface 218b of chamber connection；Adsorption tower 219 has the first interface 219a connected with its adsorbent chamber With second interface 219b.Raw material air pipe 220, non-adsorbed air pipe 230, inverse put air pipe 240, displacement gas intake line 250, Displacement gas output pipe 260, whole loading line 270, evacuation pipeline 280 and whole first interfaces and whole second interfaces connect It is connected to the lateral wall of nonrotational part 120.
It should be noted that being loaded by the adsorbent for specific adsorption CO in each adsorption tower.
In the present embodiment, specifically, the first subflow road 131 and the second subflow road 132 are 10,10 the first subflows Road 131 and 10 the second subflow roads 132 are set along the circumferential uniform intervals of nonrotational part 120.
10 the first subflow roads 131 connect one to one and connected with 10 first interfaces of adsorption tower unit；10 Two subflow roads 132 connect one to one and connected with 10 second interfaces of adsorption tower unit；Of raw material air pipe 220 and the 3rd Runner 133 is connected and connected；Non-adsorbed air pipe 230 is connected and connected with the 4th subflow road 134；Inverse put air pipe 240 and Five subflow roads 135 are connected and connected；Displacement gas intake line 250 is connected and connected with the 6th subflow road 136；Displacement gas efferent duct Road 260 is connected and connected with the 7th subflow road 137；Whole loading line 270 is connected and connected with the 8th subflow road 138；Evacuation tube Road 280 is connected and connected with the 9th subflow road 139.
By rotating tumbler 110, the relatively nonrotational part 120 of tumbler 110 can be made to rotate, so that second Road 140 rotates with respect to first flow 130, so that change the connected relation between second flow channel 140 and first flow 130, And then change the pipeline connection relation of whole CO purification systems 1000, reach the mesh switched between different absorption phases 's.
Refer to Fig. 3 and Fig. 4.Fig. 3 is that the axial direction of the side wall and first flow 130 of nonrotational part 120 along rotary valve 100 is entered Row is cut and the floor map after deploying, and is simultaneously the madial wall of nonrotational part 120 towards we this.Fig. 4 is tumbler Axial direction of 110 second flow channel 140 along rotary valve 100 is cut and the floor map after being deployed, towards our this Face is the inner side of tumbler 110.
It should be noted that in figs. 3 and 4, being carried out to the plane outspread drawing of nonrotational part 120 and tumbler 110 Subregion.Along the circumference of rotary valve 100, the plane outspread drawing of nonrotational part 120 and tumbler 110 has been divided into 30 Individual continuous zonule, numbering is 1~30 respectively, wherein, before expansion, what 1 and 30 two region was connected to, for convenience Represent, be to deploy nonrotational part 120 and tumbler 110 along 1 and 30 border in figure.Along the axial direction of rotary valve 100, rotate Part 110 has the multiple parallel and elementary layer that is coaxially disposed, the rotary shaft of the axial lines of multiple elementary layers with tumbler 110 Heart line, which is overlapped, to be set, and these elementary layers represent 9 layer-shaped areas respectively, and numbering is A~I respectively.Corresponding to these elementary layers Region A~I is mutually arranged at intervals.
In an embodiment of the present invention, first flow 130 and the width of second flow channel 140 refer to the axle along rotary valve 100 To width, the length of first flow 130 and second flow channel 140 refers to the circumferential length along rotary valve 100.Above-mentioned numbering 1 lattice, 9 zonules edge that numbering is A~I are represented as 1~30 circumferential length of each zonule along rotary valve 100 The axial width of rotary valve 100 is equal.
Specifically, second flow channel 140 includes annular channel unit (not marked in figure) and interlayer flow passage unit (is not marked in figure Go out).Annular channel unit includes multiple annular channels, and multiple annular channels are by the lateral wall of tumbler 110 towards away from non-turn The side depression of moving part 120, multiple annular channels are along the circumferentially disposed of tumbler 110, and multiple annular channels are in substantially Ring-type or annular shape are fanned, the center of circle of the circumference corresponding to multiple annular channels is located at the rotational axis line of tumbler 110, rotates and turns Moving part 110 is so that multiple annular channels are connected with the selectivity of first flow 130.Annular channel is located at the region corresponding to elementary layer A~I.Interlayer flow passage unit includes multiple interlayer runners, and interlayer runner is used to connect two annular channels.
Annular channel be used for first flow 130 carry out it is selective connect, can make annular flow by rotating tumbler 110 Road is rotated, so as to change the connected relation of annular channel and first flow 130.And interlayer runner is to be used to connect two annular flows Road, acted on using the indirect communication of interlayer runner, two sub- runner indirect communications of first flow 130 can be made, so that It is interconnected between each adsorption tower and each pipeline, and each adsorption tower can be changed by rotating tumbler 110 And the connected relation between each pipeline, so as to reach the purpose of the adsorbed state of control CO purification systems 1000.
It should be noted that because the lateral wall of the madial wall and tumbler 110 of nonrotational part 120 offsets, so non-turn Moving part 120 has sealing function to annular channel, makes the gas for entering annular channel will not be from nonrotational part 120 and tumbler Escaped between 110, it is ensured that gas in annular channel can smoothly, be exactly into default path.And the present invention's In other embodiment, interlayer runner can also be for the annular channel of three or more to be connected, and two annulars Also not necessarily simply connected between runner by an interlayer runner, can also be by two or more between two annular channels Individual interlayer runner is connected.
Further, in the present embodiment, annular channel unit includes annular channel 01, annular channel 02, annular channel 03rd, annular channel 04, annular channel 05, annular channel 06, annular channel 07, annular channel 08 and annular channel 09.
More specifically, the corresponding I1~I30 of annular channel 01 whole annular section, annular channel 01 is annular shape.Annular Corresponding H1~the H30 of runner 02 whole annular section, annular channel 02 is also annular shape.Corresponding G1~the G30's of annular channel 03 Whole annular section, annular channel 03 is also annular shape.
Annular channel 04 includes annular channel 041, annular channel 042, annular channel 043, annular channel 044 and annular flow Road 045.Annular channel 041 is the continuous fan ring-type in correspondence F26~F1 regions, wherein, length of the annular channel 041 in F26 regions It is 5.5 lattice to spend for the half of whole F26 zone lengths, the i.e. length of annular channel 041.Similar, if not providing certain illustrated, Mean that and occupy whole corresponding region.Annular channel 042 is the continuous fan ring-type in correspondence F7~F9 regions, wherein, annular flow Length of the road 042 in F7 regions is that the half of whole F7 zone lengths, the i.e. length of annular channel 042 are 2.5 lattice.Annular flow Road 043 is the continuous fan ring-type in correspondence F11~F16 regions, wherein, length of the annular channel 043 in F11 regions is whole F11 The half of zone length, the i.e. length of annular channel 043 are 5.5 lattice.Annular channel 044 is the company in correspondence F17~F18 regions Continuous fan ring-type, wherein, length of the annular channel 044 in F17 regions is the half of whole F17 zone lengths, i.e. annular channel 044 Length be 1.5 lattice.Annular channel 045 is the continuous fan ring-type in correspondence F19~F21 regions, wherein, annular channel 045 is in F19 The length in region is that the half of whole F19 zone lengths, the i.e. length of annular channel 045 are 2.5 lattice.
Corresponding E1~the E30 of annular channel 05 whole annular section, annular channel 05 is annular shape.The correspondence of annular channel 06 D1~D30 whole annular section, annular channel 06 is annular shape.
Annular channel 07 includes annular channel 071, annular channel 072, annular channel 073, annular channel 074, annular flow Road 075, annular channel 076, annular channel 077, annular channel 078, annular channel 079 and annular channel 0710.Annular channel 071 is the continuous fan ring-type in correspondence C26~C1 regions, wherein, length of the annular channel 071 in C26 regions is whole C26 regions The half of length, the i.e. length of annular channel 071 are 5.5 lattice.Annular channel 072 is the continuous fan ring in correspondence C2~C3 regions Shape, wherein, length of the annular channel 072 in C2 regions is the half of whole C2 zone lengths, i.e. the length of annular channel 072 is 1.5 lattice.Annular channel 073 is the continuous fan ring-type in correspondence C4 regions, wherein, annular channel 073 is whole in the length in C4 regions The half of individual C4 zone lengths, the i.e. length of annular channel 073 are between 0.5 lattice, and annular channel 073 and annular channel 072 Distance be 0.5 lattice.Annular channel 074 is the continuous fan ring-type in correspondence C5~C6 regions, wherein, annular channel 074 is in C5 areas The length in domain is that the half of whole C5 zone lengths, the i.e. length of annular channel 074 are 1.5 lattice.Annular channel 075 is correspondence The continuous fan ring-type in C7~C9 regions, wherein, length of the annular channel 075 in C7 regions is the half of whole C7 zone lengths, I.e. the length of annular channel 075 is 2.5 lattice.Annular channel 076 is the continuous fan ring-type in correspondence C10 regions, wherein, annular flow Road 076 C10 regions length be whole C10 zone lengths half, i.e., the length of annular channel 076 be 0.5 lattice, and annular The distance between runner 076 and annular channel 075 are 0.5 lattice.Annular channel 077 is the continuous fan ring in correspondence C19~C21 regions Shape, wherein, length of the annular channel 077 in C19 regions is the length of the half, i.e. annular channel 077 of whole C19 zone lengths Spend for 2.5 lattice.Annular channel 078 is the continuous fan ring-type in correspondence C22 regions, wherein, length of the annular channel 078 in C22 regions It is 0.5 lattice to spend for the half of whole C22 zone lengths, the i.e. length of annular channel 078, and annular channel 078 and annular channel The distance between 077 is 0.5 lattice.Annular channel 079 is the continuous fan ring-type in correspondence C23~C24 regions, wherein, annular channel 079 length in C23 regions is that the half of whole C23 zone lengths, the i.e. length of annular channel 079 are 1.5 lattice.Annular channel 0710 is the continuous fan ring-type in correspondence C25 regions, wherein, length of the annular channel 0710 in C25 regions is long for whole C25 regions The half of degree, the i.e. length of annular channel 0710 are 0.5 lattice, and the distance between annular channel 0710 and annular channel 079 are 0.5 lattice, and the distance between annular channel 0710 and annular channel 071 are also 0.5 lattice.
Corresponding B1~the B30 of annular channel 08 whole annular section, annular channel 08 is annular shape.The correspondence of annular channel 09 A1~A30 whole annular section, annular channel 09 is annular shape.
Interlayer flow passage unit includes interlayer runner 001, interlayer runner 002, interlayer runner 003, interlayer runner 004, interlayer Runner 005, interlayer runner 006, interlayer runner 007, interlayer runner 008, interlayer runner 009, interlayer runner 0010, interlayer runner 0011 and interlayer runner 0012.
Wherein, interlayer runner 001 connects annular channel 01 with annular channel 041；Interlayer runner 002 is by annular channel 01 Connected with annular channel 042；Interlayer runner 003 connects annular channel 02 with annular channel 045；Interlayer runner 004 is by annular Runner 03 is connected with annular channel 044；Interlayer runner 005 connects annular channel 05 with annular channel 043；Interlayer runner 006 Annular channel 06 is connected with annular channel 072；Interlayer runner 007 connects annular channel 079 with annular channel 074；Interlayer Runner 008 connects annular channel 076 with annular channel 078；Interlayer runner 009 is by annular channel 073 and annular channel 0710 Connection；Interlayer runner 0010 connects annular channel 08 with annular channel 077；Interlayer runner 0011 is by annular channel 09 and ring Shape runner 071 is connected；Interlayer runner 0012 connects annular channel 09 with annular channel 075.
It should be noted that in the present embodiment, each interlayer runner is the connecting pipe located at tumbler 110, often Individual interlayer runner is used to connect specific two annular channels, and other annular channels or other interlayer runners will not be caused to do Disturb.Preferably, each interlayer runner can so reduce the resistance suffered by air-flow in arc substantially, improve gas stream Stability during dynamic.In other embodiments of the invention, the shape of each interlayer runner be not particularly limited and Regulation, can connect specific two annular channels.In other embodiments of the present invention, each interlayer runner is also Can be recessed the connectivity slot that is formed, but not limited to this towards the side away from nonrotational part 120 by the side wall of tumbler 110.
Further, in the present embodiment, first flow 130 is to extend radially through nonrotational part 120 along nonrotational part 120 Through hole.In the present embodiment, between each first subflow road 131 at intervals of 2.5 lattice, between each second subflow road 132 Interval be also 2.5 lattice, and the length in each first subflow road 131 and each second subflow road 132 is 0.5 lattice.10 First subflow road 131 is respectively subflow road 131a, subflow road 131b, subflow road 131c, subflow road 131d, subflow road 131e, son Runner 131f, subflow road 131g, subflow road 131h, subflow road 131i and subflow road 131j.10 the second subflow roads 132 are respectively Subflow road 132a, subflow road 132b, subflow road 132c, subflow road 132d, subflow road 132e, subflow road 132f, subflow road 132g, Subflow road 132h, subflow road 132i and subflow road 132j.And the 3rd subflow road 133, the 4th subflow road 134, the 5th subflow road 135th, the number in the 6th subflow road 136, the 7th subflow road 137, the 8th subflow road 138 and the 9th subflow road 139 be one and Length is 0.5 lattice.Along the axial direction of rotary valve 100, subflow road 131a, subflow road 132a, the 3rd subflow road 133, the 4th subflow Road 134, the 5th subflow road 135, the 6th subflow road 136, the 7th subflow road 137, the 8th subflow road 138 and the 9th subflow road 139 Arranged in substantial linear.
It should be noted that in other embodiments of the invention, first flow 130 can also be other shapes, to The shape of one runner 130 is not restricted, as long as first flow 130 can connect specific annular channel i.e. with exterior line Can.
Specifically, in the present embodiment, subflow road 131a is located at the one of F2 regions and the close F1 regions positioned at F2 regions End, the first subflow road 131 is used to connect with annular channel 04.Subflow road 132a is located at C2 regions and positioned at the close C1 in C2 regions The one end in region, the second subflow road 132 is used to connect with annular channel 07.3rd subflow road 133 is located at I2 regions and positioned at I2 The one end in the close I1 regions in region, the 3rd subflow road 133 is used to connect with annular channel 01.4th subflow road 134 is located at A2 Region and the one end in close A1 regions positioned at A2 regions, the 4th subflow road 134 with annular channel 09 for connecting.5th subflow Road 135 is located at the one end in G2 regions and the close G1 regions positioned at G2 regions, and the 5th subflow road 135 is used to connect with annular channel 03 It is logical.6th subflow road 136 be located at H2 regions and positioned at H2 regions close H1 regions one end, the 6th subflow road 136 for Annular channel 02 is connected.7th subflow road 137 is located at the one end in B2 regions and the close B1 regions positioned at B2 regions, the 7th subflow Road 137 is used to connect with annular channel 08.8th subflow road 138 is located at D2 regions and is located at the close D1 regions in D2 regions One end, the 8th subflow road 138 is used to connect with annular channel 06.9th subflow road 139 is located at E2 regions and positioned at E2 regions One end close to E1 regions, the 9th subflow road 139 is used to connect with annular channel 05.
It should be noted that being to be indirectly connected between 10 first interfaces and 10 second interfaces and nonrotational part 120.Even 10 first interfaces and 10 second interfaces are connected to nonrotational part 120 by adapter 290.I.e.：Connecting tube 290 is by first interface 210a, first interface 211a, first interface 212a, first interface 213a, first interface 214a, first interface 215a, first connect Mouth 216a, first interface 217a, first interface 218a and first interface 219a are with subflow road 131a, subflow road 131b, subflow road 131c, subflow road 131d, subflow road 131e, subflow road 131f, subflow road 131g, subflow road 131h, subflow road 131i and subflow Road 131j is connected one to one, i.e., first interface 210a is connected with subflow road 131a by connecting tube 290, first interface 211a and son Runner 131b is connected by connecting tube 290, by that analogy, and here is omitted.Connecting tube 290 connects second interface 210b, second Mouth 211b, second interface 212b, second interface 213b, second interface 214b, second interface 215b, second interface 216b, second Interface 217b, second interface 218b and second interface 219b are with subflow road 132a, subflow road 132b, subflow road 132c, subflow road A pair of 132d, subflow road 132e, subflow road 132f, subflow road 132g, subflow road 132h, subflow road 132i and subflow road 132j 1 It should connect.I.e. second interface 210b is connected with subflow road 132a by connecting tube 290, and second interface 211b and subflow road 132b is by even Adapter 290 is connected, and by that analogy, here is omitted.
Rotary valve 100 and CO purification systems 1000 are carried out with reference to the specific adsorption process of CO purification systems 1000 Describe in detail.
The operating time-scale of CO purification systems 1000 is as shown in table 1, wherein：A represents absorption；EID represents one down； E2D Represent two down；E3D represents that three drop；C represents displacement；D represents inverse put；V represents to evacuate；E3R represents that three rise；PP represents pre- Absorption；E2R represents that two rise；E1R represents that one rises；FR represents final boosting.Each sequential represents the time of same length Section.
The CO purification systems 1000 of table 1 operate time-scale
Fig. 3 and Fig. 4 are referred to, by taking adsorption tower 210 as an example, as shown in table 1, when CO purification systems 1000 will enter sequential When 1, now, the zonule 1 of tumbler 110 is overlapped with the zonule 1 of the nonrotational part 120 in Fig. 3 in Fig. 4, tumbler 110 Zonule 30 and the zonule 30 of nonrotational part 120 also overlap.Now annular channel 041 will connect with subflow road 131a Lead to, and annular channel 071 will be connected with subflow road 132a, adsorption tower 210 will enter absorption phase.It should be noted that. In the whole sequential of CO purification systems 1000, the rotation direction of tumbler 110 is the circumferential direction K along rotary valve 100, and Nonrotational part 120 is remained stationary as, i.e., tumbler 110 is rotated relative to nonrotational part 120.
When CO purification systems 1000 enter sequential 1, annular channel 041 is connected with subflow road 131a, and annular channel 071 Connected with subflow road 132a, adsorption tower 210 enters absorption phase.Unstripped gas is by raw material air pipe 220 through the 3rd subflow road 133 Into annular channel 01, then entered annular channel 041 by interlayer runner 001 and entered through subflow road 131a and first interface 210a Enter adsorption tower 210, after being adsorbed, not to be adsorbed dose absorption non-adsorbed gas by second interface 210b successively through subflow road Enter non-adsorbed air pipe 230 behind 132a, annular channel 071, interlayer runner 0011, annular channel 09, the 4th subflow road 134 Discharge.CO in absorption phase, unstripped gas is largely adsorbed by adsorbent, and there was only minimal amount of CO in non-adsorbed gas, very To in the absence of CO.
Due to annular channel 071 and subflow road 132a length and be 6 lattice, and annular channel 041 and subflow road 131a Length and be also 6 lattice, therefore the whole absorption phase of adsorption tower 210 can continue the time corresponding to 6 lattice length, i.e. adsorption tower 210 Absorption phase to account for the ratio of whole cycle be the lattice of 6 lattice/30, equal to 1/5th, this absorption with adsorption tower in time-scale 210 The ratio 6/30 that stage accounts for whole timing cycles is consistent.The whole absorption phase of adsorption tower 210 continues whole sequential 1 to sequential 6.
It should be noted that annular channel 041 and subflow road 131a length and the ratio for accounting for whole 30 lattice are the first ratio Example, annular channel 071 and subflow road 132a length and the ratio for accounting for whole 30 lattice are also the first ratio, and absorption phase is accounted for entirely The ratio of timing cycles is the second ratio.In theory, the first ratio should be equal with the second ratio.It should be noted that such as Fig. 5 Shown, the length of annular channel 041 refers to the arc length L3 corresponding to circumference of the annular channel 041 along rotary valve 100, subflow road 131a length refers to the arc length L2 corresponding to circumferences of the subflow road 131a aperture L1 along rotary valve 100, special instruction, subflow Road 131a length does not imply that subflow road 131a aperture L1, and refers to subflow road 131a aperture L1 along rotary valve 100 Arc length L2 corresponding to circumference.L2 and L3 length and account for the ratio of girth of tumbler 110 and accounted for entirely equal to respective stage The ratio of timing cycles.Above-mentioned ratio can also account for the ratio of angle of circumference with the number of degrees sum of the central angle corresponding to L2 and L3 To represent, i.e. the ratio that the number of degrees sum of L2 and the central angle corresponding to L3 accounts for angle of circumference accounts for whole sequential week equal to respective stage The ratio of phase.In the present embodiment, for simplicity, represented using length ratio.But in actual production process, above-mentioned two Ratio is extremely difficult to completely the same, typically can all have certain error, as long as not influenceing the normal work(of CO purification systems 1000 Can, certain error is acceptable.Therefore, the first ratio and the second ratio are of substantially equal also possible.Whole rings Shape runner and subflow road meet the requirement.
Please continue to refer to Fig. 3 and Fig. 4, when the absorption phase of adsorption tower 210 has just terminated and will enter one down, i.e., When adsorption tower 210 will enter sequential 7, the zonule 1 of tumbler 110 is overlapped with the zonule 7 of nonrotational part 120.Now, it is sub Runner 132a just disconnects with annular channel 071, and will be connected with annular channel 0710；Subflow road 131a just with annular flow Road 041 disconnects.When adsorption tower 210 enters sequential 7, annular channel 0710 is connected with subflow road 132a, and now annular channel 073 connects with subflow road 132d, and interlayer runner 009 connects annular channel 0710 with annular channel 073, adsorption tower 210 with Adsorption tower 213 is connected, and adsorption tower 210 is in the one down stage, and adsorption tower 213 rises the stage in one.And at subflow road 131a In off-state.
In this stage, due to subflow road 132a and annular channel 0710 length and be 1 lattice, and subflow road 132d and ring The length of shape runner 073 and be also 1 lattice, therefore the one of the one down stage of adsorption tower 210 and adsorption tower 213 rises continuing for stage Time is a thirtieth of whole timing cycles.The one down stage of adsorption tower 210 and the one of adsorption tower 213 rise the stage Continue whole sequential 7.
When the one down stage of adsorption tower 210 has just terminated and will enter the two down stage, i.e., adsorption tower 210 will During into sequential 8, the zonule 1 of tumbler 110 is overlapped with the zonule 8 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 079 with annular channel 0710.When adsorption tower 210 enters sequential 8, annular channel 079 is Connected with subflow road 132a, and now annular channel 074 is connected with subflow road 132e, and interlayer runner 007 is by annular channel 079 is connected with annular channel 074, and adsorption tower 210 is connected with adsorption tower 214, and adsorption tower 210 is in two down stage, adsorption tower 214 rise the stage in two.And subflow road 131a is still within off-state.
In this stage, due to subflow road 132a and annular channel 079 length and be 2 lattice, and subflow road 132e and ring The length of shape runner 074 and be also 2 lattice, therefore the two of the two down stage of adsorption tower 210 and adsorption tower 214 rise continuing for stage Time is 2nd/30th of whole timing cycles.The two down stage of adsorption tower 210 and the two of adsorption tower 214 rise the stage Continue whole sequential 8 and sequential 9.
When the two down stage of adsorption tower 210 has just terminated and will enter three equal depression of order sections, i.e., adsorption tower 210 will During into sequential 10, the zonule 1 of tumbler 110 is overlapped with the zonule 10 of nonrotational part 120.Now, subflow road 132a is firm Just disconnect, and will be connected with annular channel 078 with annular channel 079.When adsorption tower 210 enters sequential 10, annular channel 078 Connected with subflow road 132a, and now annular channel 076 is connected with subflow road 132g, and interlayer runner 008 is by annular channel 078 is connected with annular channel 076, and adsorption tower 210 is connected with adsorption tower 216, and adsorption tower 210 is in three equal depression of order sections, adsorption tower 216 rise the stage in three.And subflow road 131a is still within off-state.
In this stage, due to subflow road 132a and annular channel 078 length and be 1 lattice, and subflow road 132g and ring The length of shape runner 076 and be also 1 lattice, therefore the three of the three of adsorption tower 210 equal depression of orders sections and adsorption tower 216 rise continuing for stage Time is a thirtieth of whole timing cycles.Three equal depression of order sections of adsorption tower 210 and the three of adsorption tower 216 rise the stage Continue whole sequential 10.
When three equal depression of order sections of adsorption tower 210 have just terminated and will enter the displacement stage, i.e., adsorption tower 210 will enter When entering sequential 11, the zonule 1 of tumbler 110 is overlapped with the zonule 11 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 077 with annular channel 078；And subflow road 131a will also connect with annular channel 045 It is logical.When adsorption tower 210 enter sequential 11, annular channel 077 i.e. connected with subflow road 132a, subflow road 131a also with annular flow Road 045 is connected, and adsorption tower 210 is in the displacement stage.Displacement gas by displacement gas intake line 250 successively through the 6th subflow road 136, Entered after annular channel 02, interlayer runner 003, annular channel 045, subflow road 131a by first interface 210a into adsorption tower 210 Line replacement, in the present embodiment, displacement gas are product gas CO, and the purpose in displacement stage is to utilize product gas CO by adsorption tower Foreign gas that may be present is cemented out in 210 adsorbent, improves the purity of the CO in adsorbent.Gas after displacement by Second interface 210b is successively through subflow road 132a, annular channel 077, interlayer runner 0010, annular channel 08, the 7th subflow road Discharged after 137 by displacement gas output pipe 260.
In this stage, due to subflow road 132a and annular channel 077 length and be 3 lattice, and subflow road 131a and ring The length of shape runner 045 and also be 3 lattice, therefore adsorption tower 210 displacement the stage duration be whole timing cycles 30 / tri-.The displacement stage of adsorption tower 210 continues whole sequential 11 to sequential 13.
When the displacement stage of adsorption tower 210 has just terminated and will enter the inverse put stage, i.e., adsorption tower 210 will enter During sequential 14, the zonule 1 of tumbler 110 is overlapped with the zonule 14 of nonrotational part 120.Now, subflow road 132a just with Annular channel 077 disconnects；And subflow road 131a has also just disconnected with annular channel 045, and it will be connected with annular channel 044. When adsorption tower 210 enters sequential 14, subflow road 131a is connected with annular channel 044, and subflow road 132a is off, absorption Tower 210 is in the inverse put stage.Reverse gas is by first interface 210a successively through subflow road 131a, annular channel 044, interlayer runner 004th, discharged behind annular channel 03, the 5th subflow road 135 by inverse put air pipe 240.
In this stage, due to subflow road 131a and annular channel 044 length and be 2 lattice, therefore the inverse put of adsorption tower 210 The duration in stage is 2nd/30th of whole timing cycles.The inverse put stage of adsorption tower 210 continue whole sequential 14 to Sequential 15.
When the inverse put stage of adsorption tower 210 has just terminated and will enter pump-down, i.e., adsorption tower 210 will enter During sequential 16, the zonule 1 of tumbler 110 is overlapped with the zonule 16 of nonrotational part 120.Now, subflow road 131a has been also just Disconnect, and will be connected with annular channel 043 with annular channel 044.When adsorption tower 210 enter sequential 16, subflow road 131a with Annular channel 043 is connected, and subflow road 132a is still within off-state, and adsorption tower 210 is in pump-down.Air is taken out by first Interface 210a successively behind subflow road 131a, annular channel 043, interlayer runner 005, annular channel 05, the 9th subflow road 139 by Pipeline 280 is evacuated to discharge.
In this stage, due to subflow road 131a and annular channel 043 length and be 6 lattice, therefore the evacuation of adsorption tower 210 The duration in stage is 6th/30th of whole timing cycles.The pump-down of adsorption tower 210 continue whole sequential 16 to Sequential 21.
When the pump-down of adsorption tower 210 has just terminated and will enter for three liter stages, i.e., adsorption tower 210 will enter When entering sequential 22, the zonule 1 of tumbler 110 is overlapped with the zonule 22 of nonrotational part 120.Now, subflow road 131a has been just Disconnected with annular channel 043；Subflow road 132a will be connected with annular channel 076.When adsorption tower 210 enters sequential 22, annular Runner 076 is connected with subflow road 132a, and now annular channel 078 is connected with subflow road 132e, and interlayer runner 008 is by ring Shape runner 078 is connected with annular channel 076, and adsorption tower 210 is connected with adsorption tower 214, and adsorption tower 210 rises the stage in three, Adsorption tower 214 is in three equal depression of order sections.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 076 length and be 1 lattice, and subflow road 132e and ring The length of shape runner 078 and be also 1 lattice, therefore the three of adsorption tower 210 rise continuing for three equal depression of orders section of stage and adsorption tower 214 Time is a thirtieth of whole timing cycles.The three of adsorption tower 210 rise three equal depression of order sections of stage and adsorption tower 214 Continue whole sequential 22.
When adsorption tower 210 three rise the stage just terminated and will into pre- absorption phase when, i.e., adsorption tower 210 will During into sequential 23, the zonule 1 of tumbler 110 is overlapped with the zonule 23 of nonrotational part 120.Now, subflow road 131a is It will be connected with annular channel 042；Subflow road 132a just disconnects with annular channel 076, and will be connected with annular channel 075. When adsorption tower 210 enters sequential 23, annular channel 075 is connected with subflow road 132a, and subflow road 131a connects with annular channel 042 Logical, adsorption tower 210 is in pre- absorption phase.Pre- absorption phase is identical with absorption phase, is unstripped gas by raw material air pipe 220 Adsorbed into adsorption tower 210, rather than adsorbed gas is discharged by non-adsorbed air pipe 230.In pre- absorption phase, unstripped gas is by original Expect air pipe 220 successively through the 3rd subflow road 133, annular channel 01, interlayer runner 002, annular channel 042, subflow road 131a With adsorbed after first interface 210a into adsorption tower 210, rather than adsorbed gas by second interface 210b successively through subflow road Through the row of non-adsorbed air pipe 230 behind 132a, annular channel 075, interlayer runner 0012, annular channel 09, the 4th subflow road 134 Go out.
Pre- absorption at least carried out once carrying out after pressure rises in adsorption tower 210, because adsorption tower 210 is being carried out There is certain adsorptive pressure in its adsorbent chamber after pressure liter, certain absorption can be carried out.Particularly when adsorbing Material adsorptive pressure it is relatively low when, be more suitable for using pre- absorption.After the completion of pre- absorption, adsorption tower 210 can enter next Pressure rises stage or final final pressure stage, can be adsorbed in advance again after the pressure of the adsorbent chamber of adsorption tower 210 is further improved Stage or absorption phase.It should be noted that in the present embodiment, pre- absorption is provided with after only being risen three, and at this In the other embodiment of invention, carry out selectively setting once pre- absorption after pressure rises each.
In the above-mentioned stage, due to subflow road 131a and annular channel 042 length and be 3 lattice, and subflow road 132a with The length of annular channel 075 and be also 3 lattice, therefore the duration of the pre- absorption phase of adsorption tower 210 is whole timing cycles 3/30ths.The pre- absorption phase of adsorption tower 210 continues whole sequential 23 to sequential 25.
When the pre- absorption phase of adsorption tower 210 has just terminated and will enter for two liter stages, i.e., adsorption tower 210 will During into sequential 26, the zonule 1 of tumbler 110 is overlapped with the zonule 26 of nonrotational part 120.Now, subflow road 131a is firm Just disconnected with annular channel 042；Subflow road 132a just disconnects with annular channel 075, and will be connected with annular channel 074. When adsorption tower 210 enters sequential 26, annular channel 074 is connected with subflow road 132a, and now annular channel 079 and subflow Road 132g is connected, and interlayer runner 007 connects annular channel 074 with annular channel 079, and adsorption tower 210 connects with adsorption tower 216 Logical, adsorption tower 210 rises the stage in two, and adsorption tower 216 is in the two down stage.Subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 074 length and be 2 lattice, and subflow road 132g and ring The length of shape runner 079 and be also 2 lattice, therefore the two of adsorption tower 210 rise continuing for stage and the two down stage of adsorption tower 216 Time is 2nd/30th of whole timing cycles.The two of adsorption tower 210 rise stage and the two down stage of adsorption tower 216 Continue whole sequential 26 and sequential 27.
When adsorption tower 210 two rise the stage just terminated and will enter one liter the stage when, i.e., adsorption tower 210 will During into sequential 28, the zonule 1 of tumbler 110 is overlapped with the zonule 28 of nonrotational part 120.Now, subflow road 132a is firm Just disconnect, and will be connected with annular channel 073 with annular channel 074.When adsorption tower 210 enters sequential 28, annular channel 073 Connected with subflow road 132a, and now annular channel 0710 is connected with subflow road 132h, and interlayer runner 009 is by annular flow Road 073 is connected with annular channel 0710, and adsorption tower 210 is connected with adsorption tower 217, and adsorption tower 210 rises the stage in one, absorption Tower 217 is in the one down stage.Subflow road 131a is still within off-state.
In this stage, due to subflow road 132a and annular channel 073 length and be 1 lattice, and subflow road 132h and ring The length of shape runner 0710 and be also 1 lattice, therefore the one of adsorption tower 210 rises holding for stage and the one down stage of adsorption tower 217 The continuous time is a thirtieth of whole timing cycles.The one of adsorption tower 210 rises the one down rank of stage and adsorption tower 217 The whole sequential 28 of Duan Chixu.
When adsorption tower 210 one rise the stage just terminated and will into final boost phase when, i.e., adsorption tower 210 is When will enter sequential 29, the zonule 1 of tumbler 110 is overlapped with the zonule 29 of nonrotational part 120.Now, subflow road 132a Just disconnect, and will be connected with annular channel 072 with annular channel 073.When adsorption tower 210 enters sequential 29, annular channel 072 connects with subflow road 132a, and adsorption tower 210 is in final boost phase.Subflow road 131a is still within off-state.Eventually Inflation is by whole loading line 270 successively through the 8th subflow road 138, annular channel 06, interlayer runner 006, annular channel 072, son Final boosting processing is carried out to adsorption tower 210 into adsorption tower 210 through second interface 210b after runner 132a.In the present embodiment In, inflation eventually is non-adsorbed gas.
In this stage, due to subflow road 132a and annular channel 072 length and be 2 lattice, therefore adsorption tower 210 is final The duration of boost phase is 2nd/30th of whole timing cycles.The final boost phase of adsorption tower 210 continues entirely Sequential 29 and sequential 30.
Thus, adsorption tower 210 completes a timing cycles, if continuing, and adsorption tower 210 is then according to above-mentioned flow Circulated.The sequential of other adsorption towers is similar to adsorption tower 210, and other adsorption towers are in different sequential ranks as can be drawn from Table 1 Section state in which, and first flow 130, second flow channel 140 and whole pipeline connection status and annexation.Specifically please With reference to table 1 and refering to Fig. 3 and Fig. 4, here is omitted.
Therefore deduce that：CO purification systems 1000 instead of wrong in traditional multi-pipeline technical process by rotary valve 100 Comprehensive complicated sequencing valve, makes the various sequencing valve of quantity successfully be substituted by a rotary valve 100, realizes a rotary valve 100 The purpose of control is switched over to whole CO purification systems 1000.By rotating the tumbler 110 of rotary valve 100, can be made Two runners 140 selectively connect in each subflow road of first flow 130, and then make each adsorption tower and each pipeline selectivity Connection, so as to complete each flow in pressure-variable adsorption.
Compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, equipment investment cost and peace is greatly reduced Dress up this.And equipment installation is simplified, shorten the time loss that equipment is installed and dismantled.Meanwhile, rotated only by rotating The tumbler 110 of valve 100 can be achieved to the connection between each adsorption tower and each pipeline of whole CO purification systems 1000 The control and adjustment of relation, enormously simplify workload and operating burden of the CO purification systems 1000 when adsorbed state switches, The control to CO purification systems 1000 is more facilitated, substantially increase production efficiency.Because valve reduced number is to 1, greatly Reduce failsafe valve rate greatly, improve CO purification systems 1000 overall stability and security, reduce maintenance cost with Time loss.
CO purification systems 1000 can change the annexation of whole system by rotating rotary valve 100, be used by adjusting Set in the rotating speed or adjustment timer of the motor of driving rotary valve 100, when can effectively reduce the circulation of timing cycles Between, make it possible that adsorption operations step run time is less than 2 seconds.For conventional pressure variated adsorption program control valve, due to program control The limitation of threshold switch time, it is impossible to accomplish that operating procedure run time is less than 2 seconds.And CO purification systems 1000 are utilized, by subtracting The circulation time of few timing cycles, adsorbent can be made quickly to be adsorbed and De contamination, and then reduce the filling chi of adsorbent It is very little.The volume of adsorption tower can be so greatly reduced, and equipment cost is reduced with this and is invested.Further, since timing cycles Circulation time shortens, and reduces the volume of adsorption tower, is easy to whole CO purification systems 1000 into sled, reduces manufacture and is mounted to This.
It should be noted that in other embodiments of the present invention, the structure of CO purification systems can be different, displacement gas Any one in intake line 250, displacement gas output pipe 260, whole loading line 270 or evacuation pipeline 280 and its institute are right The sequential stage answered can be selectively added in CO purification systems as option.And now adsorption tower quantity, first-class Road and second flow channel will also be made to change and delete accordingly, and time-scale also can be different.These deformations can be combined in above-mentioned Appearance show that here is omitted.
Further, in the present embodiment, in order to improve the sealing effectiveness between tumbler 110 and nonrotational part 120, turn One end of the close nonrotational part 120 of each annular channel of moving part 110 is provided with the seal 300 for being used for improving sealing effectiveness, As shown in Figure 6.Seal 300 is located on each annular channel, seal 300 simultaneously with tumbler 110 and nonrotational part 120 offset and are interference fitted, and seal 300 is connected to tumbler 110, and seal 300 is with the relatively nonrotational part of tumbler 110 120 rotate.Seal 300 can further improve sealing effectiveness, prevent gas between tumbler 110 and nonrotational part 120 refer to Effusion, and can further prevent the gas of different runners from mixing, it is ensured that the purity of gas.Specifically, in the present embodiment In, seal 300 is elastic seal ring.It should be noted that in other embodiments of the invention, seal 300 can be with It is the one end for the close tumbler 110 for being located on first flow 130.
In other embodiments of the invention, the quantity of adsorption tower can be different, multiple first interfaces of multiple adsorption towers Can also with the same first sub- flow passage, and multiple adsorption towers multiple second interfaces also with same second subflow road Connection.Now, multiple adsorption towers are in same stage in same sequential.It is same to inhale in other embodiments of the present invention The first interface of attached tower can also simultaneously with the multiple first sub- flow passages, and same adsorption tower second interface also simultaneously With the multiple second sub- flow passages.Now, multiple first flows and multiple second flow channel synchronizations are used to same absorption The gas of tower is conveyed.
It should be noted that as shown in Table 1, in whole timing cycles, inverse put, evacuation and final boosting are not each Sequential is all being carried out, and is made with certain timing intervals.Therefore, in other embodiments of the invention, annular channel 03, ring Each can be by multiple circumferentially spaced fan ring-types along tumbler 110 in shape runner 05 and annular channel 06 Annular channel is constituted.The set-up mode of these spaced fan ring-type annular channels determines that is, respective stage occurs according to table 1 When, corresponding fan ring-type annular channel just with corresponding sub- flow passage.It is above-mentioned multiple to be set along the circumferentially-spaced of tumbler 110 Can be interconnected between the fan ring-type annular channel put and by same inverse put air pipe 240, whole loading line 270 Or evacuate pipeline 280 to be in communication with the outside；Or these multiple circumferentially spaced fan ring-type annular flows along tumbler 110 Road is not connected each other, but each fan ring-type annular channel by an inverse put air pipe 240, whole loading line 270 or Pipeline 280 is evacuated to be in communication with the outside；It is not limited to this.
In other embodiments of the present invention, may be used also between interlayer runner 007, interlayer runner 008 and interlayer runner 009 Set with as far as possible close, to reduce shared space in the axial direction of tumbler 110, can so shorten the length of rotary valve 100 Degree.
In the other embodiment of the present invention, rotary valve can be different, and the tumbler 110 of rotary valve is fixed, can not Rotate, rather than tumbler 120 can rotate relative rotation part 110 and rotate.Second flow channel 140 is then arranged at nonrotational part 120 Madial wall, and first flow is then arranged at tumbler 110, and first flow now is different from first flow 130, now First flow be by the end of tumbler 110 enter tumbler 110 and by tumbler 110 side wall run through tumbler 110.Should In the case of, it is that the control to CO purification systems can be achieved to rotate nonrotational part 120.
In the still other embodiments of the present invention, tumbler is column, rather than tumbler is then arranged at the end of tumbler, Tumbler can be rotated relative to nonrotational part.Now, second flow channel is located at the end of the close nonrotational part of tumbler, first flow Through nonrotational part.In this case, the control to CO purification systems can also be realized by rotating tumbler.Similar deformation is herein no longer Enumerate.
In also some embodiments of the present invention, the shape of annular channel, which also differs, is set to fan ring-type or annular shape, may be used also To be other shapes, as long as its corresponding effect can be realized.
It should be noted that in an embodiment of the present invention, time-scale is not unique, time-scale can be according to actual production Need to be drafted and adjusted.Change after time-scale, accordingly, first flow and second flow channel can also do corresponding adjustment.Only Make the structure and corresponding time-scale of first flow and second flow channel corresponding, and first flow, both second flow channels are same The matching way of time-scale can show that here is omitted with reference to the above.In addition, in the other embodiment of the present invention In, the evacuation in table 1 can be replaced by rinsing, accordingly, the adsorbent in adsorption tower is then to be used to adsorb in unstripped gas Foreign gas adsorbent, rather than adsorbed gas then becomes CO, meanwhile, second flow channel and first flow are also required to do corresponding Change in structure, and flow passage structure of the flow passage structure rinsed when being carried out with absorption phase is similar, and embodiment can To be drawn with reference to the above, also repeat no more herein.
On the other hand, in an embodiment of the present invention, the position and setting of each interlayer runner and each annular channel Order be not changeless, the position of each interlayer runner and each annular channel can be adjusted flexibly according to actual needs Put and order.In addition, the position in each subflow road of first flow 130 is nor changeless, can be according to actual feelings Condition is changed and adjusted, as long as ensureing that specific subflow road can be connected with specific annular channel in particular moment. And these change and adjustment can be adjusted according to actual time-scale.
It should be noted that at least two CO purification systems 1000 can also be arranged in series to form CO multistages purification system System, so can further improve product gas CO purity.
In general, in the present embodiment, CO purification systems 1000 replace traditional multi-pipeline technique mistake by rotary valve 100 Complicated sequencing valve in journey, realizes a rotary valve 100 while multiple pipelines are switched over the purpose of control.Reduction Cost, reduces fault rate, makes operation and controls more to facilitate.
The present embodiment also provides a kind of CO methods of purification.The CO methods of purification include rotate CO purification systems tumbler with Make in a rotation period of tumbler：At least one period, within the period, second flow channel by least one One subflow road and the 3rd sub- flow passage, and simultaneously by least one second subflow road and the 4th sub- flow passage.And at least Another period, within the period, second flow channel is by least one first subflow road and the 5th sub- flow passage.
Further, CO methods of purification also include the tumbler for rotating CO purification systems so that in a rotation period： At least also have a period, within the period, second flow channel by least one first subflow road and the 6th sub- flow passage, And simultaneously also by least one second subflow road and the 7th sub- flow passage.And/or at least also have a period, in the time In section, second flow channel is by least one second subflow road and the 8th sub- flow passage.
Further, CO methods of purification also include the tumbler for rotating CO purification systems so that in rotation period：At least There is a period, within the period, second flow channel is by least one first subflow road and the 9th sub- flow passage.
The CO methods of purification that the present embodiment is provided are easy to implement, simple to operate, by the tumbler for rotating rotary valve Realize and the connected mode of the pipeline of whole system is controlled and adjusted, enormously simplify operation of the valve in switching and bear Load, make control to valve more facilitate, it is to avoid controls the operating burden that a large amount of sequencing valves are brought simultaneously.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (12)

1. a kind of CO purification systems, it is characterised in that including raw material air pipe, non-adsorbed air pipe, inverse put air pipe, rotary valve With at least one adsorption tower；The adsorption tower has the first interface connected with its adsorbent chamber and second interface；The rotary valve Including nonrotational part and the tumbler that can be rotated relative to the nonrotational part, the nonrotational part has first through its side wall Runner, the first flow includes the first subflow road, the second subflow road, the 3rd subflow road, the 4th subflow road and the 5th subflow road, The tumbler has a second flow channel, the first interface and the described first sub- flow passage, the second interface and described the Two sub- flow passages, the raw material air pipe and the 3rd sub- flow passage, the non-adsorbed air pipe and the described 4th son Flow passage, the inverse put air pipe and the 5th sub- flow passage；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in a rotation of the tumbler In cycle：The second flow channel selectively communicates with the first subflow road with the 3rd subflow road, and simultaneously will be described Second subflow road is selectively communicated with the 4th subflow road, and for the single adsorption tower, first subflow The connection duration in road and the connection duration, the second subflow road and the 4th subflow road in the 3rd subflow road accounts for described / 5th of rotation period；The second flow channel selectively communicates with the first subflow road with the 5th subflow road, And for the single adsorption tower, the connection duration in the first subflow road and the 5th subflow road accounts for the rotation week / 15th of phase.
2. CO purification systems according to claim 1, it is characterised in that the CO purification systems also include displacement gas and inputted Pipeline and displacement gas output pipe, the first flow also include the 6th subflow road and the 7th subflow road, the displacement gas input Pipeline and the 6th sub- flow passage, the displacement gas output pipe and the 7th sub- flow passage；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described Second flow channel selectively communicates with the first subflow road with the 6th subflow road, and simultaneously by the second subflow road with The 7th subflow road is selectively communicated with, and for the single adsorption tower, the first subflow road and the described 6th Connection duration, the connection duration in the second subflow road and the 7th subflow road in subflow road account for the ten of the rotation period / mono-.
3. CO purification systems according to claim 1 or 2, it is characterised in that the CO purification systems also include inflation eventually Pipeline, the first flow also includes the 8th subflow road, the whole loading line and the 8th sub- flow passage；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described Second flow channel selectively communicates with the second subflow road with the 8th subflow road, and for the single adsorption tower Speech, the connection duration in the second subflow road and the 8th subflow road accounts for 1st/15th of the rotation period.
4. CO purification systems according to claim 3, it is characterised in that the CO purification systems also include evacuating pipeline, The first flow also includes the 9th subflow road, the evacuation pipeline and the 9th sub- flow passage；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described Second flow channel selectively communicates with the first subflow road with the 9th subflow road, and for the single adsorption tower Speech, the connection duration in the first subflow road and the 9th subflow road accounts for 1/5th of the rotation period.
5. CO purification systems according to claim 4, it is characterised in that the first interface, the second interface, described Raw material air pipe, the non-adsorbed air pipe, the inverse put air pipe, the whole loading line and the evacuation pipeline are and institute State nonrotational part connection.
6. CO purification systems according to claim 1, it is characterised in that the second flow channel include multiple annular channels and Multiple interlayer runners；The annular channel is recessed by the outer wall of the tumbler towards the side away from the nonrotational part, described Circumferentially disposed and described annular channel of the annular channel along the tumbler is in fan ring-type or annular shape substantially, the annular flow The center of circle of circumference corresponding to road is located at the rotational axis line of the tumbler, and each interlayer runner is communicated to few two institutes State annular channel；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described Annular channel selectively communicates with the first subflow road with the 3rd subflow road with the interlayer runner, and simultaneously by institute The second subflow road is stated to selectively communicate with the 4th subflow road；The annular channel and the interlayer runner are by described first Subflow road is selectively communicated with the 5th subflow road.
7. CO purification systems according to claim 6, it is characterised in that the tumbler includes multiple parallel and coaxially set The elementary layer put, the axial line of multiple elementary layers overlaps setting with the rotational axis line of the tumbler, each described Elementary layer is provided with least one described annular channel.
8. the CO purification systems according to claim 6 or 7, it is characterised in that for any one subflow road and with the son For one annular channel of flow passage, along the circumference of the tumbler, the length of the annular channel and the son The ratio that the corresponding central angle number of degrees sum in both apertures of runner accounts for all angle numbers is the first ratio, the subflow road and institute The ratio that the flow time of adsorption process when stating annular channel connection residing for corresponding adsorption tower accounts for a process cycle is second Ratio, first ratio and second ratio are of substantially equal.
9. CO purification systems according to claim 4, it is characterised in that the adsorption tower is multiple, first subflow Road is also multiple with the second subflow road, and each first subflow road is connected with first interface at least one described, each The second subflow road is connected with second interface at least one described, and the tumbler of the rotary valve is for relatively described non- Tumbler is rotated, so that the second flow channel selectively connects in each described second subflow road.
10. CO purification systems according to claim 9, it is characterised in that the adsorption tower, the first subflow road and institute It is 10 to state the second subflow road, and the first interface and the first subflow road are corresponded and connect, the second interface and The second subflow road corresponds connection；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described The second interface of annular channel and near few two adsorption towers of the interlayer runner is selectively communicated with, and a suction The connection duration of the second interface of attached tower and the second interface of other adsorption towers accounts for 4th/15th of the rotation period.
11. CO purification systems according to claim 1, it is characterised in that the CO purification systems also include evacuating pipeline, The first flow also includes the 9th subflow road, the evacuation pipeline and at least one described 9th sub- flow passage；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that in the rotation period：It is described Second flow channel selectively communicates with the first subflow road with the 9th subflow road, and for the single adsorption tower Speech, the connection duration in the first subflow road and the 9th subflow road accounts for 1/5th of the rotation period.
12. a kind of rotary valve, it is characterised in that including tumbler and nonrotational part, the tumbler can be relatively described nonrotational Part is rotated；The nonrotational part has through multiple subflow roads of its side wall, and multiple subflow roads are respectively used to and unstripped gas Pipeline, non-adsorbed air pipe, inverse put air pipe, the second interface connection of the first interface of adsorption tower and adsorption tower；
The tumbler includes the multiple parallel and elementary layer that is coaxially disposed, the axial lines of multiple elementary layers with described turn The rotational axis line of moving part, which is overlapped, to be set, and each elementary layer is equipped with along its circumferentially disposed annular channel, the rotation Part is additionally provided with multiple interlayer runners, and each interlayer runner is used to connect annular channel described at least two；
The tumbler of the rotary valve is used to rotate relative to the nonrotational part, so that the annular channel and the interlayer Runner selectively connects the raw material air pipe, the inverse put air pipe with the first interface, and by the non-adsorbed gas Pipeline is selectively connected with the second interface.
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