CN107138022A - A kind of gas decarbonization system and gas handling system - Google Patents

A kind of gas decarbonization system and gas handling system Download PDF

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Publication number
CN107138022A
CN107138022A CN201710558314.7A CN201710558314A CN107138022A CN 107138022 A CN107138022 A CN 107138022A CN 201710558314 A CN201710558314 A CN 201710558314A CN 107138022 A CN107138022 A CN 107138022A
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Prior art keywords
subflow road
annular channel
adsorption tower
tumbler
road
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Granted
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CN201710558314.7A
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CN107138022B (en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40003—Methods relating to valve switching
    • B01D2259/40005—Methods relating to valve switching using rotary valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40007—Controlling pressure or temperature swing adsorption
    • 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)
  • Separation Of Gases By Adsorption (AREA)

Abstract

A kind of gas decarbonization system and gas handling system, are related to gas decarbonization technical field.Gas decarbonization system includes 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.Gas handling system includes above-mentioned gas decarbonization system.The two is controlled with a rotary valve to multi-pipeline, reduces cost, easy to control.

Description

A kind of gas decarbonization system and gas handling system
Technical field
The present invention relates to gas decarbonization technical field, in particular to a kind of gas decarbonization system and gas treatment system System.
Background technology
PSA Gas decarbonization system is due to comprising many operating procedures, causing sequencing valve quantity very many, adding The investment cost and equipment installation cost of whole device, and vavle shelf area floor space is big, is unfavorable for device into sled.
PSA Gas decarbonization system is short due to circulation time, causes sequencing valve switching frequency high, each part event of valve Barrier probability significantly increases.Meanwhile, in pressure-variable adsorption pressure equalization process, valve element is washed away by high velocity air, valve seal face It is fragile, valves leakage is caused, plant running is influenceed, increases the regular maintenance expense and maintenance difficulty of device, and extends life Consumed during production, add production cost.
From the point of view of the running situation of current PSA Gas decarbonization device, leakage is influence in sequencing valve failure or sealing surface The maximum bottleneck of whole device stable operation.Although can be extended by improving the form of valve design and optimization sealing surface structure Sequencing valve use time, but the problem of can not fundamentally avoid leaking in sequencing valve failure and sealing surface.
Generally, the time of adsorption operations is short (less than one second) during gas decarbonization, so short time requirement Sequencing valve allows for quick response, and this requirement to sequencing valve is very high, greatly increases the cost of sequencing valve.
The content of the invention
First purpose of the present invention be to provide a kind of gas decarbonization system, and it passes through rotary valve and replaces traditional multi-pipeline Complicated sequencing valve in technical process, realizes a rotary valve while multiple pipelines are switched over the purpose of control, Compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, equipment investment cost is reduced, while making the control to valve System more facilitates, and reduces the fault rate of valve, reduces maintenance cost.
Second object of the present invention is to provide a kind of gas handling system, and it replaces traditional multi-pipeline using rotary valve Complicated sequencing valve in technical process, realizes a rotary valve while multiple pipelines are switched over the purpose of control, Compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, equipment investment cost is reduced, while making the control to valve System more facilitates, and reduces the fault rate of valve, reduces maintenance cost.
What embodiments of the invention were realized in：
A kind of gas decarbonization system, it includes raw material air pipe, product 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, product gas Pipeline 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 1/8th 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 16 of rotation period / mono-.
Further, gas decarbonization system also includes evacuating pipeline, and first flow also includes the 6th subflow road, evacuates pipeline With the 6th sub- flow passage.The tumbler of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second flow channel 6th subflow road is selectively communicated with the first subflow road, and for single adsorption tower, the 6th subflow road and the first son The connection duration of runner accounts for 1/8th of rotation period.
Further, gas decarbonization system also includes whole loading line, and first flow also includes the 7th subflow road, inflation eventually Pipeline 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 Runner selectively communicates with the 7th subflow road with the second subflow road, and for single adsorption tower, the 7th subflow road and The connection duration in two subflow roads accounts for 1st/16th of rotation period.
Further, first interface, second interface, raw material air pipe, product air pipe and inverse put air pipe with non-turn Moving part is connected.
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, and 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 8, 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 5/8ths of rotation period.
A kind of gas handling system, it includes above-mentioned gas decarbonization system.
The beneficial effect of the embodiment of the present invention is：
Gas decarbonization system provided in an embodiment of the present invention replaces crisscross in traditional multi-pipeline technical process by rotary valve Complicated sequencing valve, realizes the purpose that a rotary valve switches over control to multiple pipelines.By rotating turning for rotary valve Moving part, can make second flow channel selectively connect in each subflow road of first flow, and then adsorption tower is selected with each pipeline Selecting property is connected, so as to complete each flow in pressure-variable adsorption.Compared to traditional sequencing valve, production equipment is significantly reduced Consumptive 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.
The connection that gas decarbonization system provided in an embodiment of the present invention can change whole pipeline by rotating rotary valve is closed System, is set by the rotating speed or adjustment timer that adjust the motor for being used to drive rotary valve, can effectively reduce transformation suction Attached circulation time, make it possible that adsorption operations step run time is less than 2 seconds, and conventional pressure variated adsorption program control valve is 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., can by reducing the pressure swing adsorption cycles time So that adsorbent quickly carries out absorption work, and then reduce the filling size of adsorbent, and equipment cost is reduced with this and throw Money.Further, since the pressure swing adsorption cycles time shortens, the size of adsorption tower is reduced, is easy to whole device into sled, reduces device Manufacture and installation cost.Meanwhile, rotary valve can meet requirement of the gas decarbonization system to being switched fast completely.
Gas handling system provided in an embodiment of the present invention, it is replaced in traditional multi-pipeline technical process using rotary valve is enough Complicated sequencing valve, while switching over control to multiple pipelines, compared to traditional sequencing valve, significantly reduces production and sets Standby consumptive material, reduces 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 gas decarbonization system provided in an embodiment of the present invention；
Fig. 2 be Fig. 1 in gas decarbonization system rotary valve schematic cross-section；
Fig. 3 is the side wall and first flow of the nonrotational part of the rotary valve of the gas decarbonization system in Fig. 1 along rotary valve Floor map after axially being cut and deployed；
Fig. 4 is that axial direction of the second flow channel along rotary valve of the tumbler of the rotary valve of the gas decarbonization system in Fig. 1 is carried out 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 gas decarbonization system in Fig. 1；
Fig. 6 be Fig. 1 in gas decarbonization system seal schematic diagram.
Icon：1000- gas decarbonization systems；100- rotary valves；110- tumblers；The nonrotational parts of 120-；130- is first-class Road；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；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； The subflow roads of 133- the 3rd；The subflow roads of 134- the 4th；The subflow roads of 135- the 5th；The subflow roads of 136- the 6th；The subflow roads of 137- the 7th； 140- second flow channels；01- annular channels；02- annular channels；03- annular channels；031- annular channels；032- annular channels； 033- annular channels；04- annular channels；05- annular channels；051- annular channels；052- annular channels；053- annular channels； 054- annular channels；055- annular channels；056- annular channels；057- annular channels；058- annular channels；059- annular flows Road；0510- annular channels；0511- annular channels；0512- annular channels；06- annular channels；07- annular channels；001- interlayers Runner；002- interlayer runners；003- interlayer runners；004- interlayer runners；005- interlayer runners；006- interlayer runners；007- layers Between runner；008- interlayer runners；009- interlayer runners；0010- interlayer runners；210- adsorption towers；210a- first interfaces；210b- Second interface；211- adsorption towers；211a- first interfaces；211b- second interfaces；212- adsorption towers；212a- first interfaces； 212b- second interfaces；213- adsorption towers；213a- first interfaces；213b- second interfaces；214- adsorption towers；214a- first connects Mouthful；214b- second interfaces；215- adsorption towers；215a- first interfaces；215b- second interfaces；216- adsorption towers；216a- first Interface；216b- second interfaces；217- adsorption towers；217a- first interfaces；217b- second interfaces；220- raw material air pipes；230- Product air pipe；240- inverse put air pipes；250- end loading lines；260- evacuates pipeline；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
Fig. 1 is refer to, the present embodiment provides a kind of gas decarbonization system 1000, and gas decarbonization system 1000 includes rotary valve 100th, adsorption tower unit (not marked in figure), raw material air pipe 220, product air pipe 230, inverse put air pipe 240, whole gas tube Road 250 and evacuation pipeline 260.
Raw material air pipe 220, product air pipe 230, inverse put air pipe 240, whole loading line 250, evacuate pipeline 260 with And adsorption tower unit is connected with rotary valve 100.It should be noted that Fig. 1 illustrate only above-mentioned each pipeline and suction Annexation between each interface and rotary valve 100 of attached tower unit, Fig. 1 is the schematic diagram of annexation, not to connection Position be defined.
Rotary valve 100 in rotation process can by raw material air pipe 220, product air pipe 230, inverse put air pipe 240, Whole loading line 250 is connected with pipeline 260 is evacuated with adsorption tower Unit selection, it is possible to by each suction in adsorption tower unit Mutually selectivity connection between attached tower, so that adsorption tower unit can smoothly complete whole adsorption process.
Gas decarbonization system 1000 replaces complicated program control in traditional multi-pipeline technical process by rotary valve 100 Valve, realizes rotary valve 100 while multiple pipelines are switched over the purpose of control.Compared to traditional sequencing valve, substantially reduce The consumptive material of production equipment, reduces equipment investment cost, while making the control to valve and pipeline switching more facilitate, subtracts The fault rate of minor valve, 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 and the 7th subflow road 137.First flow 130 runs through the side wall of nonrotational part 120.Tumbler 110 has second flow channel 140.First flow 130 is used In same adsorption tower unit and each pipeline connection, pass through the control to first flow 130 and the connected relation of second flow channel 140 System, realizes the control to the adsorbed state of adsorption tower unit 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 and adsorption tower 217.Wherein, adsorption tower 210 has the first interface connected with its adsorbent chamber 210a and second interface 210b；Adsorption tower 211 has the first interface 211a and second interface 211b connected with its adsorbent chamber；Inhale Attached tower 212 has the first interface 212a and second interface 212b connected with its adsorbent chamber；Adsorption tower 213 has and its adsorbent chamber The first interface 213a and second interface 213b of connection；Adsorption tower 214 have the first interface 214a that is connected with its adsorbent chamber and Second interface 214b；Adsorption tower 215 has the first interface 215a and second interface 215b connected with its adsorbent chamber；Adsorption tower 216 have the first interface 216a and second interface 216b connected with its adsorbent chamber；Adsorption tower 217 has to be connected with its adsorbent chamber First interface 217a and second interface 217b.Raw material air pipe 220, product air pipe 230, eventually inverse put air pipe 240, inflation Pipeline 250, evacuation pipeline 260 and whole first interfaces and whole second interfaces are all connected to the lateral wall of nonrotational part 120.
It should be noted that being loaded by for specific adsorption CO, CO in each adsorption tower2Etc. the absorption of carbon impurity Agent.Adsorbent is by CO, CO in unstripped gas2After carbon impurity absorption, decarburization is realized.
In the present embodiment, specifically, the first subflow road 131 and the second subflow road 132 are 8,8 the first subflow roads 131 and 8 the second subflow roads 132 are set along the circumferential uniform intervals of nonrotational part 120.
8 the first subflow roads 131 connect one to one and connected with 8 first interfaces of adsorption tower unit；8 second sons Runner 132 connects one to one and connected with 8 second interfaces of adsorption tower unit；The subflow road of raw material air pipe 220 and the 3rd 133 connect and connect；Product air pipe 230 is connected and connected with the 4th subflow road 134；The subflow of inverse put air pipe 240 and the 5th Road 135 is connected and connected；Whole loading line 250 is connected and connected with the 7th subflow road 137；Evacuate the subflow of pipeline 260 and the 6th Road 136 is connected and connected.
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 gas decarbonization system 1000, reach what is switched between different absorption phases Purpose.
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 16 have been divided into Continuous zonule, numbering is 1~16 respectively, wherein, before expansion, what 1 and 16 two region was connected to, table for convenience Show, be to deploy nonrotational part 120 and tumbler 110 along 1 and 16 border in figure.Along the axial direction of rotary valve 100, tumbler 110 have the multiple parallel and elementary layer that is coaxially disposed, the rotational axis line of the axial lines of multiple elementary layers with tumbler 110 Overlap and set, these elementary layers represent 7 layer-shaped areas respectively, numbering is A~G respectively.Region A corresponding to these elementary layers ~G 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, 7 zonules edge that numbering is A~G are represented as 1~16 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~G.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 gas-drying system 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 and annular channel 07.
More specifically, the corresponding G1~G16 of annular channel 01 whole annular section, annular channel 01 is annular shape.Annular Corresponding F1~the F16 of runner 02 whole annular section, annular channel 02 is also annular shape.
Annular channel 03 includes annular channel 031, annular channel 032 and annular channel 033.Annular channel 031 is correspondence The continuous fan ring-type in E16~E1 regions, wherein, length of the annular channel 031 in E16 regions is the one of whole E16 zone lengths Half, the i.e. length of annular channel 031 are 1.5 lattice.Similar, if not providing certain illustrated, mean that and occupy whole correspondence area Domain.Annular channel 032 is the continuous fan ring-type in correspondence E8~E9 regions, wherein, annular channel 032 is whole in the length in E8 regions The half of individual E8 zone lengths, the i.e. length of annular channel 032 are 1.5 lattice.Annular channel 033 is the continuous of correspondence E10 regions Fan ring-type, wherein, annular channel 033 E10 regions length be whole E10 zone lengths half, and annular channel 033 with The spacing of annular channel 032 is that 0.5 lattice, the i.e. length of annular channel 033 are 0.5 lattice.
Corresponding D1~the D16 of annular channel 04 whole annular section, annular channel 04 is also annular shape.
Annular channel 05 includes annular channel 051, annular channel 052, annular channel 053, annular channel 054, annular flow Road 055, annular channel 056, annular channel 057, annular channel 058, annular channel 059, annular channel 0510, annular channel 0511 and annular channel 0512.
Annular channel 051 is the continuous fan ring-type in correspondence C16~C1 regions, wherein, annular channel 051 is in C16 regions Length is that the half of whole C16 zone lengths, the i.e. length of annular channel 051 are 1.5 lattice.Annular channel 052 is correspondence C2 areas The continuous fan ring-type in domain, wherein, length of the annular channel 052 in C2 regions is the half of whole C2 zone lengths, and annular flow The spacing in road 052 and annular channel 051 is that 0.5 lattice, the i.e. length of annular channel 052 are 0.5 lattice.Annular channel 053 is correspondence The continuous fan ring-type in C3 regions, wherein, length of the annular channel 053 in C3 regions is the half of whole C3 zone lengths, i.e. ring The length of shape runner 053 is 0.5 lattice, and the distance between annular channel 053 and annular channel 052 are 0.5 lattice.Annular channel 054 is the continuous fan ring-type in correspondence C4 regions, wherein, length of the annular channel 054 in C4 regions is whole C4 zone lengths Half, the i.e. length of annular channel 054 are 0.5 lattice, and the distance between annular channel 054 and annular channel 053 are 0.5 lattice. Annular channel 055 is the continuous fan ring-type in correspondence C5 regions, wherein, length of the annular channel 055 in C5 regions is whole C5 areas The distance between the half of length of field, the i.e. length of annular channel 055 are 0.5 lattice, and annular channel 055 and annular channel 054 For 0.5 lattice.Annular channel 056 is the continuous fan ring-type in correspondence C6 regions, wherein, length of the annular channel 056 in C6 regions is The half of whole C6 zone lengths, the i.e. length of annular channel 056 are 0.5 lattice, and annular channel 056 and annular channel 055 it Between distance be 0.5 lattice.
Annular channel 057 is the continuous fan ring-type in correspondence C7 regions, wherein, length of the annular channel 057 in C7 regions is The half of whole C7 zone lengths, the i.e. length of annular channel 057 are 0.5 lattice, and annular channel 057 and annular channel 056 it Between distance be 0.5 lattice.Annular channel 058 is the continuous fan ring-type in correspondence C11 regions, wherein, annular channel 058 is in C11 areas The length in domain is that the half of whole C11 zone lengths, the i.e. length of annular channel 058 are 0.5 lattice, and annular channel 058 and ring The distance between shape runner 057 is 3.5 lattice.Annular channel 059 is the continuous fan ring-type in correspondence C12 regions, wherein, annular channel 059 length in C12 regions is that the half of whole C12 zone lengths, the i.e. length of annular channel 059 are 0.5 lattice, and annular flow The distance between road 058 and annular channel 059 are 0.5 lattice.Annular channel 0510 is the continuous fan ring-type in correspondence C13 regions, its In, length of the annular channel 0510 in C13 regions is the half of whole C13 zone lengths, i.e. the length of annular channel 0510 is 0.5 lattice, and the distance between annular channel 0510 and annular channel 059 are 0.5 lattice.Annular channel 0511 is correspondence C14 regions Continuous fan ring-type, wherein, length of the annular channel 0511 in C14 regions is the half of whole C14 zone lengths, i.e. annular flow The length in road 0511 is 0.5 lattice, and the distance between annular channel 0511 and annular channel 0510 are 0.5 lattice.Annular channel 0512 is the continuous fan ring-type in correspondence C15 regions, wherein, length of the annular channel 0512 in C15 regions is long for whole C15 regions The half of degree, the i.e. length of annular channel 0512 are 0.5 lattice, and the distance between annular channel 0512 and annular channel 0511 are 0.5 lattice.
Corresponding B1~the B16 of annular channel 06 whole annular section, annular channel 06 is annular shape.The correspondence of annular channel 07 A1~A16 whole annular section, annular channel 07 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 and interlayer runner 0010.
Wherein, interlayer runner 001 connects annular channel 01 with annular channel 031；Interlayer runner 002 is by annular channel 02 Connected with annular channel 033；Interlayer runner 003 connects annular channel 04 with annular channel 032；Interlayer runner 004 is by annular Runner 055 is connected with annular channel 0510；Interlayer runner 005 connects annular channel 056 with annular channel 059；Interlayer runner 006 connects annular channel 057 with annular channel 058；Interlayer runner 007 connects annular channel 054 with annular channel 0511； Interlayer runner 008 connects annular channel 053 with annular channel 0512；Interlayer runner 009 is by annular channel 052 and annular channel 06 connection；Interlayer runner 0010 connects annular channel 051 with annular channel 07.
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 1.5 lattice, between each second subflow road 132 Interval be also 1.5 lattice, and the length in each first subflow road 131 and each second subflow road 132 is 0.5 lattice.8 One subflow road 131 is respectively subflow road 131a, subflow road 131b, subflow road 131c, subflow road 131d, subflow road 131e, subflow Road 131f, subflow road 131g and subflow road 131h.8 the second subflow roads 132 are respectively subflow road 132a, subflow road 132b, son Runner 132c, subflow road 132d, subflow road 132e, subflow road 132f, subflow road 132g and subflow road 132h.And the 3rd subflow road 133rd, the number in the 4th subflow road 134, the 5th subflow road 135, the 6th subflow road 136 and the 7th subflow road 137 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 and the 7th subflow road 137 are 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 E2 regions and the close E1 regions positioned at E2 regions End, the first subflow road 131 is used to connect with annular channel 03.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 05.3rd subflow road 133 is located at G2 regions and positioned at G2 The one end in the close G1 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 07 for connecting.5th subflow Road 135 is located at the one end in F2 regions and the close F1 regions positioned at F2 regions, and the 5th subflow road 135 is used to connect with annular channel 02 It is logical.6th subflow road 136 be located at D2 regions and positioned at D2 regions close D1 regions one end, the 6th subflow road 136 for Annular channel 04 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 06.
It should be noted that being to be indirectly connected between 8 first interfaces and 8 second interfaces and nonrotational part 120.Connection 8 first interfaces and 8 second interfaces are connected to nonrotational part 120 by pipe 290.I.e.：Connecting tube 290 by first interface 210a, First interface 211a, first interface 212a, first interface 213a, first interface 214a, first interface 215a, first interface 216a With first interface 217a with subflow road 131a, subflow road 131b, subflow road 131c, subflow road 131d, subflow road 131e, subflow road 131f, subflow road 131g and subflow road 131h connect one to one, i.e. first interface 210a and subflow road 131a is by connecting tube 290 Connection, first interface 211a is connected with subflow road 131b by connecting tube 290, and by that analogy, here is omitted.Connecting tube 290 By second interface 210b, second interface 211b, second interface 212b, second interface 213b, second interface 214b, second interface 215b, second interface 216b and second interface 217b with subflow road 132a, subflow road 132b, subflow road 132c, subflow road 132d, Subflow road 132e, subflow road 132f, subflow road 132g and subflow road 132h connect one to one.That is second interface 210b and subflow Road 132a is connected by connecting tube 290, and second interface 211b is connected with subflow road 132b by connecting tube 290, by that analogy, herein not Repeat again.
With reference to the specific adsorption process of gas decarbonization system 1000 to rotary valve 100 and gas decarbonization system 1000 It is described in detail.
The operating time-scale of gas decarbonization system 1000 is as shown in table 1, wherein：A represents absorption；EID represents one down； E2D represents two down；E3D represents that three drop；E5D represents that four drop；E5D represents that five drop；D represents inverse put；V represents to evacuate； E5R represents that five rise；E4R represents that four rise；E3R represents that three rise；E2R represents that two rise；E1R represents that one rises；FR is represented Final boosting.Each sequential represents the period of same length.
The gas decarbonization system 1000 of table 1 operates time-scale
Fig. 3 and Fig. 4 are referred to, by taking adsorption tower 210 as an example, as shown in table 1, when gas decarbonization system 1000 will enter fashionable During sequence 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 16 and the zonule 16 of nonrotational part 120 also overlap.Now annular channel 031 will connect with subflow road 131a Lead to, and annular channel 051 will be connected with subflow road 132a, adsorption tower 210 will enter absorption phase.It should be noted that. In the whole sequential of gas decarbonization system 1000, the rotation direction of tumbler 110 is the circumferential direction K along rotary valve 100, Rather than tumbler 120 is remained stationary as, i.e., tumbler 110 is rotated relative to nonrotational part 120.
When gas decarbonization system 1000 enters sequential 1, annular channel 031 is connected with subflow road 131a, and annular channel 051 connects with subflow road 132a, and adsorption tower 210 enters absorption phase.Unstripped gas is by raw material air pipe 220 through the 3rd subflow road 133 enter annular channel 01, then enter annular channel 031 and through subflow road 131a and first interface 210a by interlayer runner 001 Into adsorption tower 210, after being adsorbed, the product gas after decarburization is by second interface 210b successively through subflow road 132a, annular flow Discharged behind road 051, interlayer runner 0010, annular channel 07, the 4th subflow road 134 into product gas pipeline 230.In absorption rank Carbon impurity in section, unstripped gas is largely all adsorbed by adsorbent, and there was only minimal amount of carbon impurity in product gas, does not exist even Carbon impurity.
Due to annular channel 051 and subflow road 132a length and be 2 lattice, and annular channel 031 and subflow road 131a Length and be also 2 lattice, therefore the whole absorption phase of adsorption tower 210 can continue the time corresponding to 2 lattice length, i.e. adsorption tower 210 Absorption phase to account for the ratio of whole cycle be the lattice of 2 lattice/16, equal to 1/8th, this absorption with adsorption tower in time-scale 210 The ratio 2/16 that stage accounts for whole timing cycles is consistent.The whole absorption phase of adsorption tower 210 continues whole sequential 1 to sequential 2.
It should be noted that annular channel 031 and subflow road 131a length and the ratio for accounting for whole 16 lattice are the first ratio Example, annular channel 051 and subflow road 132a length and the ratio for accounting for whole 16 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 031 refers to the arc length L3 corresponding to circumference of the annular channel 031 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 of gas decarbonization system 1000 Function, certain error is acceptable.Therefore, the first ratio and the second ratio are of substantially equal also possible.Whole Annular channel 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 3, the zonule 1 of tumbler 110 is overlapped with the zonule 3 of nonrotational part 120.Now, it is sub Runner 132a just disconnects with annular channel 051, and will be connected with annular channel 0512；Subflow road 131a just with annular flow Road 031 disconnects.When adsorption tower 210 enters sequential 3, annular channel 0512 is connected with subflow road 132a, and now annular channel 053 connects with subflow road 132c, and interlayer runner 008 connects annular channel 0512 with annular channel 053, adsorption tower 210 with Adsorption tower 212 is connected, and adsorption tower 210 is in the one down stage, and adsorption tower 212 rises the stage in one.And at subflow road 131a In off-state.
In this stage, due to subflow road 132a and annular channel 0512 length and be 1 lattice, and subflow road 132c and ring The length of shape runner 053 and be also 1 lattice, therefore the one of the one down stage of adsorption tower 210 and adsorption tower 212 rises continuing for stage Time is 1st/16th of whole timing cycles.The one down stage of adsorption tower 210 and the one of adsorption tower 212 rise the stage Continue whole sequential 3.
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 4, the zonule 1 of tumbler 110 is overlapped with the zonule 4 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 0511 with annular channel 0512.When adsorption tower 210 enters sequential 4, annular channel 0511 Connected with subflow road 132a, and now annular channel 054 is connected with subflow road 132d, and interlayer runner 007 is by annular channel 0511 is connected with annular channel 054, and adsorption tower 210 is connected with adsorption tower 213, and adsorption tower 210 is in two down stage, adsorption tower 213 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 0511 length and be 1 lattice, and subflow road 132d and ring The length of shape runner 054 and be also 1 lattice, therefore the two of the two down stage of adsorption tower 210 and adsorption tower 213 rise continuing for stage Time is 1st/16th of whole timing cycles.The two down stage of adsorption tower 210 and the two of adsorption tower 213 rise the stage Continue whole sequential 4.
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 5, the zonule 1 of tumbler 110 is overlapped with the zonule 5 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 0510 with annular channel 0511.When adsorption tower 210 enters sequential 5, annular channel 0510 Connected with subflow road 132a, and now annular channel 055 is connected with subflow road 132e, and interlayer runner 004 is by annular channel 0510 is connected with annular channel 055, and adsorption tower 210 is connected with adsorption tower 214, and adsorption tower 210 is in three equal depression of order sections, adsorption tower 214 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 0510 length and be 1 lattice, and subflow road 132e and ring The length of shape runner 055 and be also 1 lattice, therefore the three of the three of adsorption tower 210 equal depression of orders sections and adsorption tower 214 rise continuing for stage Time is 1st/16th of whole timing cycles.Three equal depression of order sections of adsorption tower 210 and the three of adsorption tower 214 rise the stage Continue whole sequential 5.
When three equal depression of order sections of adsorption tower 210 have just terminated and will enter four equal depression of order sections, i.e., adsorption tower 210 will During into sequential 6, the zonule 1 of tumbler 110 is overlapped with the zonule 6 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 059 with annular channel 0510.When adsorption tower 210 enters sequential 6, annular channel 059 is Connected with subflow road 132a, and now annular channel 056 is connected with subflow road 132f, and interlayer runner 005 is by annular channel 059 Connected with annular channel 056, adsorption tower 210 is connected with adsorption tower 215, adsorption tower 210 is in four equal depression of order sections, adsorption tower 215 The stage is risen in four.And subflow road 131a is still within off-state.
In this stage, due to subflow road 132a and annular channel 059 length and be 1 lattice, and subflow road 132f and ring The length of shape runner 056 and be also 1 lattice, therefore the four of the four of adsorption tower 210 equal depression of orders sections and adsorption tower 215 rise continuing for stage Time is 1st/16th of whole timing cycles.Four equal depression of order sections of adsorption tower 210 and the four of adsorption tower 215 rise the stage Continue whole sequential 6.
When four equal depression of order sections of adsorption tower 210 have just terminated and will enter five equal depression of order sections, i.e., adsorption tower 210 will During into sequential 7, the zonule 1 of tumbler 110 is overlapped with the zonule 7 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 058 with annular channel 059.When adsorption tower 210 enters sequential 7, annular channel 058 is Connected with subflow road 132a, and now annular channel 057 is connected with subflow road 132g, and interlayer runner 006 is by annular channel 058 Connected with annular channel 057, adsorption tower 210 is connected with adsorption tower 216, adsorption tower 210 is in five equal depression of order sections, adsorption tower 216 The stage is risen in five.And subflow road 131a is still within off-state.
In this stage, due to subflow road 132a and annular channel 058 length and be 1 lattice, and subflow road 132g and ring The length of shape runner 057 and be also 1 lattice, therefore the five of the five of adsorption tower 210 equal depression of orders sections and adsorption tower 216 rise continuing for stage Time is 1st/16th of whole timing cycles.Five equal depression of order sections of adsorption tower 210 and the five of adsorption tower 216 rise the stage Continue whole sequential 7.
When five equal depression of order sections of adsorption tower 210 have just terminated and will enter the inverse put stage, i.e., adsorption tower 210 will enter When entering sequential 8, the zonule 1 of tumbler 110 is overlapped with the zonule 8 of nonrotational part 120.Now, subflow road 132a just with Annular channel 058 disconnects；And subflow road 131a will be connected with annular channel 033.When adsorption tower 210 enters sequential 8, subflow road 131a is connected with annular channel 033, and subflow road 132a is off, and adsorption tower 210 is in the inverse put stage.Reverse gas is by One interface 210a is successively behind subflow road 131a, annular channel 033, interlayer runner 002, annular channel 02, the 5th subflow road 135 Discharged by inverse put air pipe 240.
In this stage, due to subflow road 131a and annular channel 033 length and be 1 lattice, therefore the inverse put of adsorption tower 210 The duration in stage is 1st/16th of whole timing cycles.The inverse put stage of adsorption tower 210 continues whole sequential 8.
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 9, the zonule 1 of tumbler 110 is overlapped with the zonule 9 of nonrotational part 120.Now, subflow road 131a also just with Annular channel 033 disconnects, and will be connected with annular channel 032.When adsorption tower 210 enters sequential 9, subflow road 131a and annular Runner 032 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 is successively by evacuating behind subflow road 131a, annular channel 032, interlayer runner 003, annular channel 04, the 6th subflow road 136 Pipeline 260 is discharged.
In this stage, due to subflow road 131a and annular channel 032 length and be 2 lattice, therefore the evacuation of adsorption tower 210 The duration in stage is 2nd/16th of whole timing cycles.The pump-down of adsorption tower 210 continue whole sequential 9 to when Sequence 10.
When the pump-down of adsorption tower 210 has just terminated and will enter for five liter stages, 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 131a has been just Disconnected with annular channel 032；Subflow road 132a will be connected with annular channel 057.When adsorption tower 210 enters sequential 11, annular Runner 057 is connected with subflow road 132a, and now annular channel 058 is connected with subflow road 132c, and interlayer runner 006 is by ring Shape runner 057 is connected with annular channel 058, and adsorption tower 210 is connected with adsorption tower 212, and adsorption tower 210 rises the stage in five, Adsorption tower 212 is in five equal depression of order sections.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 057 length and be 1 lattice, and subflow road 132c and ring The length of shape runner 058 and be also 1 lattice, therefore the five of adsorption tower 210 rise continuing for five equal depression of orders section of stage and adsorption tower 212 Time is 1st/16th of whole timing cycles.The five of adsorption tower 210 rise five equal depression of order sections of stage and adsorption tower 212 Continue whole sequential 11.
When adsorption tower 210 five rise section just terminated and will enter four liter the stage when, i.e., adsorption tower 210 will enter When entering sequential 12, the zonule 1 of tumbler 110 is overlapped with the zonule 12 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 056 with annular channel 057.When adsorption tower 210 enters sequential 12, annular channel 056 is Connected with subflow road 132a, and now annular channel 059 is connected with subflow road 132d, and interlayer runner 005 is by annular channel 056 Connected with annular channel 059, adsorption tower 210 is connected with adsorption tower 213, adsorption tower 210 rises the stage in four, adsorption tower 213 In four equal depression of order sections.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 056 length and be 1 lattice, and subflow road 132d and ring The length of shape runner 059 and be also 1 lattice, therefore the four of adsorption tower 210 rise continuing for four equal depression of orders section of stage and adsorption tower 213 Time is 1st/16th of whole timing cycles.The four of adsorption tower 210 rise four equal depression of order sections of stage and adsorption tower 213 Continue whole sequential 12.
When adsorption tower 210 four rise section just terminated and will enter three liter the stage when, i.e., adsorption tower 210 will enter When entering sequential 13, the zonule 1 of tumbler 110 is overlapped with the zonule 13 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 055 with annular channel 056.When adsorption tower 210 enters sequential 13, annular channel 055 is Connected with subflow road 132a, and now annular channel 0510 is connected with subflow road 132e, and interlayer runner 004 is by annular channel 055 is connected with annular channel 0510, and adsorption tower 210 is connected with adsorption tower 214, and adsorption tower 210 rises the stage in three, adsorption tower 214 in three equal depression of order sections.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 055 length and be 1 lattice, and subflow road 132e and ring The length of shape runner 0510 and be also 1 lattice, therefore the three of adsorption tower 210 rise holding for three equal depression of orders section of stage and adsorption tower 214 The continuous time is 1st/16th of whole timing cycles.The three of adsorption tower 210 rise three equal depression of orders of stage and adsorption tower 214 The whole sequential 13 of Duan Chixu.
When adsorption tower 210 three rise section just terminated and will enter two liter the stage when, i.e., adsorption tower 210 will enter When entering sequential 14, the zonule 1 of tumbler 110 is overlapped with the zonule 14 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 054 with annular channel 055.When adsorption tower 210 enters sequential 14, annular channel 054 is Connected with subflow road 132a, and now annular channel 0511 is connected with subflow road 132f, and interlayer runner 007 is by annular channel 054 is connected with annular channel 0511, and adsorption tower 210 is connected with adsorption tower 215, and adsorption tower 210 rises the stage in two, adsorption tower 215 are in the two down stage.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 054 length and be 1 lattice, and subflow road 132f and ring The length of shape runner 0511 and be also 1 lattice, therefore the two of adsorption tower 210 rise holding for stage and the two down stage of adsorption tower 215 The continuous time is 1st/16th of whole timing cycles.The two of adsorption tower 210 rise the two down rank of stage and adsorption tower 215 The whole sequential 14 of Duan Chixu.
When adsorption tower 210 two rise section just terminated and will enter one liter the stage when, i.e., adsorption tower 210 will enter When entering sequential 15, the zonule 1 of tumbler 110 is overlapped with the zonule 15 of nonrotational part 120.Now, subflow road 132a has been just Disconnect, and will be connected with annular channel 053 with annular channel 054.When adsorption tower 210 enters sequential 15, annular channel 053 is Connected with subflow road 132a, and now annular channel 0512 is connected with subflow road 132g, and interlayer runner 008 is by annular channel 053 is connected with annular channel 0512, and adsorption tower 210 is connected with adsorption tower 216, and adsorption tower 210 rises the stage in one, adsorption tower 216 are in the one down stage.And subflow road 131a is off.
In this stage, due to subflow road 132a and annular channel 053 length and be 1 lattice, and subflow road 132g and ring The length of shape runner 0512 and be also 1 lattice, therefore the one of adsorption tower 210 rises holding for stage and the one down stage of adsorption tower 216 The continuous time is 1st/16th of whole timing cycles.The one of adsorption tower 210 rises the one down rank of stage and adsorption tower 216 The whole sequential 15 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 16, the zonule 1 of tumbler 110 is overlapped with the zonule 16 of nonrotational part 120.Now, subflow road 132a Just disconnect, and will be connected with annular channel 052 with annular channel 053.When adsorption tower 210 enters sequential 16, annular channel 052 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 250 successively through the 7th subflow road 137, annular channel 06, interlayer runner 009, annular channel 052, son Final boosting processing is carried out to adsorption tower 210 into adsorption tower 210 through second interface 210b after runner 132a.
In this stage, due to subflow road 132a and annular channel 052 length and be 1 lattice, therefore adsorption tower 210 is final The duration of boost phase is 1st/16th of whole timing cycles.The final boost phase of adsorption tower 210 continues entirely Sequential 16.
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：Gas decarbonization system 1000 instead of in traditional multi-pipeline technical process by rotary valve 100 Complicated sequencing valve, makes the various sequencing valve of quantity successfully be substituted by a rotary valve 100, realizes a rotary valve 100 pairs of whole gas decarbonization systems 1000 switch over the purpose of control., can be with by rotating the tumbler 110 of rotary valve 100 Second flow channel 140 is selectively connected in each subflow road of first flow 130, and then each adsorption tower is selected with each pipeline Selecting property is connected, 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 company between each adsorption tower and each pipeline of whole gas decarbonization system 1000 The control and adjustment of relation are connect, workload of the gas decarbonization system 1000 when adsorbed state switches is enormously simplify and operation is negative Load, makes the control to gas decarbonization system 1000 more facilitate, substantially increases production efficiency.Due to valve reduced number to 1 It is individual, failsafe valve rate is substantially reduced, gas decarbonization system 1000 overall stability and security is improved, reduces maintenance Cost and time loss.
Gas decarbonization purification system 1000 can change the annexation of whole system by rotating rotary valve 100, pass through The rotating speed or adjustment timer for adjusting the motor for driving rotary valve 100 are set, and can effectively reduce timing cycles Circulation time, make it possible that adsorption operations step run time is less than 2 seconds.For conventional pressure variated adsorption program control valve, by In the limitation of sequencing valve switch time, it is impossible to accomplish that operating procedure run time is less than 2 seconds.And utilize gas decarbonization system 1000, by reducing the circulation time of timing cycles, adsorbent can be made quickly to be adsorbed and De contamination, and then reduce absorption The filling size of agent.The volume of adsorption tower can be so greatly reduced, and equipment cost is reduced with this and is invested.In addition, by Shorten in timing cycles circulation time, reduce the volume of adsorption tower, be easy to whole gas decarbonization system 1000 into sled, reduce system Make and installation cost.
It should be noted that in other embodiments of the present invention, the structure of gas decarbonization system can be different, fill eventually Air pipe 250 or evacuate in pipeline 260 any one and the sequential stage corresponding to it can be as option, optionally It is added in gas decarbonization system.And now adsorption tower quantity, first flow and second flow channel will also be made to change and delete accordingly Subtract, time-scale also can be different.These deformations can show that here is omitted with reference to the above.
Further, in other embodiments of the present invention, the flows such as pre- absorption, displacement can also be added to gas In decarbonization system, rising the number of times with dropping can also be adjusted according to needs of production.Accordingly, these flows add Entering the structure of rear first flow and second flow channel, time-scale can accordingly change, and these changes can be according to above-mentioned adsorption tower 210 adsorption process principles and methods simultaneously show that here is omitted with reference to table 1, Fig. 3 and Fig. 4.
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 be interference fitted, seal 300 is connected to tumbler 110, and seal 300 is with relatively nonrotational 120 turns of the part of tumbler 110 It is dynamic.Seal 300 can further improve sealing effectiveness, prevent gas from being escaped between referring to from tumbler 110 and nonrotational part 120, And can further prevent the gas of different runners from mixing, it is ensured that the purity of gas.Specifically, in the present embodiment, it is close Sealing 300 is elastic seal ring.It should be noted that in other embodiments of the invention, seal 300 can also be that ring is set In one end of the close tumbler 110 of 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 and final boosting are not each sequential All carrying out, and making with certain timing intervals.Therefore, in other embodiments of the invention, annular channel 02 and annular Each can be made up of the annular channel of multiple circumferentially spaced fan ring-types along tumbler 110 in runner 06. The set-up mode of these spaced fan ring-type annular channels is determined according to table 1, i.e., when respective stage occurs, ring is fanned accordingly Shape annular channel just with corresponding sub- flow passage.Above-mentioned multiple circumferentially spaced fan cyclic rings along tumbler 110 Can be interconnected between shape runner and by same inverse put air pipe 240, whole loading line 250 or evacuation pipeline 260 To be in communication with the outside；Or these multiple circumferentially spaced fan ring-type annular channels along tumbler 110 are mutual not Connection, but each fan ring-type annular channel is by an inverse put air pipe 240, whole loading line 250 or evacuates pipeline 260 It is in communication with the outside；It is not limited to this.
In other embodiments of the present invention, interlayer runner 004, interlayer runner 005, interlayer runner 006, interlayer runner Can also closely it be set as far as possible between 007 and interlayer runner 008, to reduce shared space in the axial direction of tumbler 110, this Sample can shorten the length of rotary valve 100.
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 gas decarbonization system 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 gas decarbonization system can also be realized by rotating tumbler.Similar deformation is herein not Enumerate again.
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, second flow channel and first flow are also required to do corresponding structure On change, and flow passage structure of the flow passage structure rinsed when being carried out with absorption phase is similar, and embodiment can join Draw, also repeat no more herein according to the above.
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 gas decarbonization systems 1000 can also be arranged in series to form gas multistage decarburization System, so can further depth decarburization, improve the purity of product gas.
In general, in the present embodiment, gas decarbonization system 1000 replaces traditional multi-pipeline technique by rotary valve 100 During complicated sequencing valve, realize a rotary valve 100 while multiple pipelines are switched over the purpose of control.Drop Low cost, reduces fault rate, makes operation and controls more to facilitate.
The present embodiment also provides a kind of gas handling system, and the gas handling system includes gas decarbonization system 1000.Gas Body processing system replaces complicated sequencing valve in traditional multi-pipeline technical process using rotary valve is enough, while to multiple pipelines Control is switched over, compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, reduces equipment investment cost, together When control more facilitate, reduce fault rate, reduce maintenance cost.
The present embodiment also provides a kind of gas decarbonization method.The gas decarbonization method includes rotating turning for gas decarbonization system Moving part is so that in a rotation period of tumbler：At least one period, within the period, second flow channel will at least One the first 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, gas decarbonization method also includes the tumbler for rotating gas decarbonization system so that in a rotation period It is interior：At least there is a period, within the period, second flow channel connects at least one first subflow road and the 6th subflow road It is logical.
Further, gas decarbonization method also includes the tumbler for rotating gas decarbonization system so that in rotation period： At least one period, within the period, second flow channel is by least one second subflow road and the 7th sub- flow passage.
The gas decarbonization method that the present embodiment is provided is easy to implement, simple to operate, by rotating the tumbler of rotary valve i.e. It can be achieved that 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 (10)

1. a kind of gas decarbonization system, it is characterised in that including raw material air pipe, product 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 product air pipe and the 4th subflow Road is connected, 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 / 8th 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 / 16th of phase.
2. gas decarbonization system according to claim 1, it is characterised in that the gas decarbonization system also includes evacuation tube Road, the first flow also includes the 6th subflow road, the evacuation pipeline and the 6th 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 6th subflow road and the first subflow road, and for the single adsorption tower Speech, the connection duration in the 6th subflow road and the first subflow road accounts for 1/8th of the rotation period.
3. gas decarbonization system according to claim 1 or 2, it is characterised in that the gas decarbonization system is also included eventually Loading line, the first flow also includes the 7th subflow road, the whole loading line 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 7th subflow road and the second subflow road, and for the single adsorption tower Speech, the connection duration in the 7th subflow road and the second subflow road accounts for 1st/16th of the rotation period.
4. gas decarbonization system according to claim 1, it is characterised in that the first interface, the second interface, institute Raw material air pipe, the product air pipe and the inverse put air pipe is stated to be connected with the nonrotational part.
5. gas decarbonization system according to claim 1, it is characterised in that the second flow channel includes multiple annular channels With multiple interlayer runners；The annular channel is recessed by the outer wall of the tumbler towards the side away from the nonrotational part, institute Circumferentially disposed and described annular channel of the annular channel along the tumbler is stated in fan ring-type or annular shape substantially, the annular The center of circle of circumference corresponding to runner is located at the rotational axis line of the tumbler, and each interlayer runner is communicated to few two The 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.
6. gas decarbonization system according to claim 5, it is characterised in that the tumbler includes multiple parallel and coaxial The elementary layer of setting, the axial line of multiple elementary layers overlaps setting, Mei Gesuo with the rotational axis line of the tumbler Elementary layer is stated provided with least one described annular channel.
7. the gas decarbonization system according to claim 5 or 6, it is characterised in that for any one subflow road and with it is described For one annular channel of sub- flow passage, along the circumference of the tumbler, the length of the annular channel and described The ratio that the corresponding central angle number of degrees sum in both apertures in subflow road accounts for all angle numbers is the first ratio, the subflow road with It is that the flow time of adsorption process during annular channel connection residing for corresponding adsorption tower, which accounts for the ratio of a process cycle, Two ratios, first ratio and second ratio are of substantially equal.
8. gas decarbonization system according to claim 1, it is characterised in that the adsorption tower is multiple, first son Runner is also multiple with the second subflow road, and each first subflow road is connected with first interface at least one described, often The individual second subflow road is connected with second interface at least one described, and the tumbler of the rotary valve is for relatively described Nonrotational part is rotated, so that the second flow channel selectively connects in each described second subflow road.
9. gas decarbonization system according to claim 8, it is characterised in that the adsorption tower, the first subflow road with The second subflow road is 8, 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 5/8ths of the rotation period.
10. a kind of gas handling system, it is characterised in that including gas decarbonization system as claimed in any one of claims 1 to 9 wherein System.
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