CN207856614U

CN207856614U - A kind of H2Purification system and gas handling system

Info

Publication number: CN207856614U
Application number: CN201720830439.6U
Authority: CN
Inventors: 张惊涛; 席向峰
Original assignee: Chengdu Sepmem Sci & Tech Co Ltd
Current assignee: Chengdu Sepmem Sci & Tech Co Ltd
Priority date: 2017-07-10
Filing date: 2017-07-10
Publication date: 2018-09-14
Anticipated expiration: 2027-07-10

Abstract

A kind of H₂Purification system and gas handling system, are related to H₂Purification technique field.H₂Purification system includes raw material air pipe, product air pipe, inverse put air pipe, rotary valve and adsorption tower.Rotary valve includes nonrotational part and rotating member, and there is nonrotational part first flow, rotating member to have second flow channel.Rotation rotating member is so that raw material air pipe, product air pipe, inverse put air pipe and adsorption tower are selectively connected to by second flow channel.Gas handling system includes above-mentioned H₂Purification system.The two controls multi-pipeline with a rotary valve, reduces cost, easy to control.

Description

A kind of H2Purification system and gas handling system

Technical field

The utility model is related to H₂Purification technique field, in particular to a kind of H₂Purification system and gas treatment system System.

Background technology

Pressure Swing Adsorption H₂System increases whole more due to comprising many operating procedures, causing sequencing valve quantity very The investment cost and equipment installation cost of a device, and vavle shelf area takes up a large area, and is unfavorable for device into sled.

Pressure Swing Adsorption H₂System causes sequencing valve switching frequency high, each unit failure of valve since circulation time is short Probability substantially increases.Meanwhile in pressure-variable adsorption pressure equalization process, spool is washed away by high-speed flow, valve sealing face is easy Damage, causes valves leakage, influences device operation, increases the daily maintenance expense and maintenance difficulty of device, and extend production When consume, increase production cost.

From current Pressure Swing Adsorption H₂From the point of view of the operating condition of device, leakage is that influence is whole in sequencing valve failure or sealing surface The maximum bottleneck of a device stable operation.Although journey can be extended by improving the form of valve design and optimization sealing surface structure Valve usage time is controlled, but can not fundamentally avoid the problem that leakage in sequencing valve failure and sealing surface.

Under normal circumstances, H₂Adsorption process in adsorption operations time it is short (less than one second), so short time requirement Sequencing valve allows for quick response, this requirement to sequencing valve is very high, and the cost of sequencing valve is made to greatly increase.

Utility model content

First of the utility model is designed to provide a kind of H₂Purification system replaces traditional multitube by rotary valve Complicated sequencing valve in the technical process of road realizes a rotary valve while multiple pipelines is switched over the mesh of control , compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, reduces equipment input cost, while making to valve Control it is more convenient, reduce the failure rate of valve, reduce maintenance cost.

Second of the utility model is designed to provide a kind of gas handling system, replaces tradition more using rotary valve Complicated sequencing valve during pipeline technique realizes a rotary valve while multiple pipelines is switched over the mesh of control , compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, reduces equipment input cost, while making to valve Control it is more convenient, reduce the failure rate of valve, reduce maintenance cost.

What the embodiments of the present invention were realized in：

A kind of H₂Purification system comprising raw material air pipe, product air pipe, inverse put air pipe, rotary valve and at least one A adsorption tower.Adsorption tower has the first interface being connected to its adsorbent chamber and second interface.Rotary valve includes nonrotational part and can Relative to the rotating member of nonrotational part rotation, it includes the first son that nonrotational part, which has the first flow through its side wall, first flow, Runner, the second subflow road, third subflow road, the 4th subflow road and the 5th subflow road, rotating member have second flow channel.First interface It is connected to the first subflow road, second interface is connected to the second subflow road, and raw material air pipe is connected to third subflow road, product tracheae The tetra- subflow roads Lu Yu are connected to, and inverse put air pipe is connected to the 5th subflow road.

The rotating member of rotary valve is used to rotate relative to nonrotational part, so that in a rotation period of rotating member：Second Runner selectively communicates with the first subflow road and third subflow road, and simultaneously by the second subflow road and the 4th subflow road selectivity Ground is connected to, and for single adsorption tower, connection duration, the second subflow road and the 4th in the first subflow road and third subflow road The connection duration in subflow road accounts for a quarter of rotation period；Second flow channel is selective by the first subflow road and the 5th subflow road Ground is connected to, and for single adsorption tower, the connection duration in the first subflow road and the 5th subflow road accounts for the 12 of rotation period / mono-.

Further, H₂Purification system further includes rinsing gas inlet tube and first to rinse gas outlet, and first flow also wraps The 6th subflow road and the 7th subflow road are included, gas inlet tube is rinsed and is connected to the 6th subflow road, first rinses gas outlet and the 7th Subflow road is connected to.The rotating member of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second flow channel is by second Subflow road is selectively communicated with the 6th subflow road, and simultaneously selectively communicates in the first subflow road with the 7th subflow road, and For single adsorption tower, the connection duration in the second subflow road and the 6th subflow road, the first subflow road and the 7th subflow road Connection duration accounts for ten halfs of rotation period.

Further, H₂Purification system further includes whole loading line, and first flow further includes the 8th subflow road, whole gas tube The eight subflow roads Lu Yu are connected to.The rotating member of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second Road selectively communicates in the second subflow road with the 8th subflow road, and for single adsorption tower, the second subflow road and the 8th The connection duration in subflow road accounts for 20 a quarters of rotation period.

Further, H₂Purification system further includes the second flushing gas outlet, and first flow further includes the 9th subflow road, the Two flushing gas outlets are connected to the 9th subflow road.The rotating member of rotary valve is used to rotate relative to nonrotational part, so that rotating In period：Second flow channel selectively communicates in the first subflow road with the 9th subflow road, and for single adsorption tower, and first The connection duration in subflow road and the 9th subflow road accounts for 1/6th of rotation period.

Further, H₂Purification system further includes along blowdown piping, and first flow further includes the tenth subflow road, along bleeder pipe The ten subflow roads Lu Yu are connected to.The rotating member of rotary valve is used to rotate relative to nonrotational part, so that in rotation period：Second Road selectively communicates in the second subflow road with the tenth subflow road, and for single adsorption tower, the second subflow road and the tenth The connection duration in subflow road accounts for 20 a quarters 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 connects.

Further, second flow channel includes multiple annular channels and multiple interlayer runners；Annular channel is by the outer of rotating member Wall is recessed towards the side far from nonrotational part, and annular channel is cyclic annular in rough fan along the circumferentially disposed and annular channel of rotating member Or it is circular, the center of circle of the circumference corresponding to annular channel is located at the rotational axis line of rotating member, and each interlayer runner is connected to Few two annular channels.The rotating member 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 third subflow road, and simultaneously selects the second subflow road and the 4th subflow road Selecting property it is connected to；Annular channel selectively communicates in the first subflow road with the 5th subflow road with interlayer runner.

Further, rotating member includes multiple parallel and coaxial arrangement elementary layer, the axial lines of multiple elementary layers with The rotational axis line of rotating member overlaps setting, and each elementary layer is equipped at least one annular channel.

Further, for any one subflow road and an annular channel being connected to subflow road, along rotating member Circumferential, the ratio that the sum of the central angle number of degrees corresponding to the length of annular channel and the aperture the two in subflow road account for all angle numbers is The flow time of first ratio, 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 be also it is multiple, each first subflow road and At least one first interface connection, each second subflow road is connected to at least one second interface；The rotating member of rotary valve is used for It is rotated relative to nonrotational part, so that each second subflow road is selectively connected to by second flow channel.

Further, adsorption tower, the first subflow road and the second subflow road are 12, first interface and the first subflow road one One corresponds to connection, and second interface is connected to the second subflow road one-to-one correspondence.The rotating member 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 selectively communicates with, And the connection duration of the second interface of an adsorption tower and the second interface of other adsorption towers accounts for the one third of rotation period.

A kind of gas handling system comprising above-mentioned H₂Purification system.

The advantageous effect of the utility model embodiment is：

The H that the utility model embodiment provides₂Purification system is replaced wrong in traditional multi-pipeline technical process by rotary valve The sequencing valve of comprehensive complexity realizes the purpose that a rotary valve switches over multiple pipelines control.By rotating rotary valve Rotating member can make second flow channel selectively be connected in each subflow road of first flow, and then make adsorption tower and each pipeline Selectivity connection, to complete each flow in pressure-variable adsorption.Compared to traditional sequencing valve, production equipment is significantly reduced Consumptive material, reduce equipment input cost and installation cost, simplify equipment installation, shorten equipment installation with dismounting time Consumption.Meanwhile by rotate rotary valve rotating member can be realized to the connection type of the pipeline of whole system carry out control and Adjustment enormously simplifies operating burden of the valve in switching, keeps the control to valve more convenient, reduce the failure of valve Rate reduces maintenance cost.

The H that the utility model embodiment provides₂Purification system is the connection that entire pipeline can be changed by rotating rotary valve Relationship, the rotating speed by adjusting the driving motor for driving rotary valve or adjustment timer setting, can effectively reduce transformation The sorption cycle time makes it possible that adsorption operations step run time is less than 2 seconds, and conventional pressure variated adsorption program control valve is due to journey The limitation for controlling the threshold switch time can not accomplish that operating procedure run time is less than 2 seconds.By reducing the pressure swing adsorption cycles time, Adsorbent can be made quickly to carry out absorption work, and then reduce the filling size of adsorbent, and equipment cost is reduced with this Investment.Further, since the pressure swing adsorption cycles time shortens, the size of adsorption tower is reduced, convenient for whole device at sled, reduces dress The manufacture set and installation cost.Meanwhile rotary valve can meet H completely₂Requirement of the purification system to being switched fast.

The gas handling system that the utility model embodiment provides replaces traditional multi-pipeline technique mistake using rotary valve is enough Complicated sequencing valve in journey, while control is switched over to multiple pipelines, compared to traditional sequencing valve, significantly reduce life The consumptive material for producing equipment, reduces equipment input cost, while controlling more convenient, reduces failure rate, reduces maintenance cost.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the H that the utility model embodiment provides₂The schematic diagram of purification system；

Fig. 2 is the H in Fig. 1₂The schematic cross-section of the rotary valve of purification system；

Fig. 3 is the H in Fig. 1₂Axis of the side wall and first flow of the nonrotational part of the rotary valve of purification system along rotary valve To the floor map cut and after being unfolded；

Fig. 4 is the H in Fig. 1₂The second flow channel of the rotating member of the rotary valve of purification system is cut along the axial direction of rotary valve Floor map after cutting and being unfolded；

Fig. 5 is the H in Fig. 1₂The schematic diagram of the annular channel of purification system and the circular arc corresponding to subflow road；

Fig. 6 is the H in Fig. 1₂The schematic diagram of the sealing element of purification system.

Icon：1000-H₂Purification system；100- rotary valves；110- rotating members；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；131k- subflows road；131l- Subflow road；The second subflows of 132- road；132a- subflows road；132b- subflows road；132c- subflows road；132d- subflows road；132e- Runner；132f- subflows road；132g- subflows road；132h- subflows road；132i- subflows road；132j- subflows road；132k- subflows road； 132l- subflows road；133- third subflows road；The 4th subflow roads 134-；The 5th subflow roads 135-；The 6th subflow roads 136-；137- 7th subflow road；The 8th subflow roads 138-；The 9th subflow roads 139-；The tenth subflow roads 1310-；140- second flow channels；01- annulars Runner；02- annular channels；03- annular channels；04- annular channels；041- annular channels；042- annular channels；043- annular flows Road；044- annular channels；05- annular channels；06- annular channels；07- annular channels；08- annular channels；081- annular channels； 082- annular channels；083- annular channels；084- annular channels；085- annular channels；086- annular channels；087- annular flows Road；088- annular channels；089- annular channels；0810- annular channels；0811- annular channels；0812- annular channels；0813- Annular channel；09- annular channels；010- annular channels；001- interlayer runners；002- interlayer runners；003- interlayer runners；004- Interlayer runner；005- interlayer runners；006- interlayer runners；007- interlayer runners；008- interlayer runners；009- interlayer runners； 0010- interlayer runners；0011- interlayer runners；0012- interlayer runners；0013- interlayer runners；210- adsorption towers；210a- first Interface；210b- second interfaces；211- adsorption towers；211a- first interfaces；211b- second interfaces；212- adsorption towers；212a- One interface；212b- second interfaces；213- adsorption towers；213a- first interfaces；213b- second interfaces；214- adsorption towers；214a- First interface；214b- second interfaces；215- adsorption towers；215a- first interfaces；215b- second interfaces；216- adsorption towers； 216a- first interfaces；216b- second interfaces；217- adsorption towers；217a- first interfaces；217b- second interfaces；218- is adsorbed Tower；218a- first interfaces；218b- second interfaces；219- adsorption towers；219a- first interfaces；219b- second interfaces；2110- inhales Attached tower；2110a- first interfaces；2110b- second interfaces；2111- adsorption towers；2111a- first interfaces；2111b- second interfaces； 220- raw material air pipes；230- product air pipes；240- inverse put air pipes；250- end loading lines；260- rinses gas inlet tube； 270a- first rinses gas outlet；270b- second rinses gas outlet；280- is along blowdown piping；290- connecting tubes；300- is close Sealing.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

Term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy The property wanted.

" substantially ", the terms such as " basic " are intended to illustrate that related content is not absolute accurate of requirement, but can have one Fixed deviation.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Embodiment

Fig. 1 is please referred to, the present embodiment provides a kind of H₂Purification system 1000, H₂Purification system 1000 include rotary valve 100, Adsorption tower unit (not marked in figure), raw material air pipe 220, product air pipe 230, inverse put air pipe 240, whole loading line 250, it rinses gas inlet tube 260, first and rinses gas outlet 270a, the second flushing gas outlet 270b and along blowdown piping 280.

Raw material air pipe 220, inverse put air pipe 240, whole loading line 250, rinses gas inlet tube at product air pipe 230 260, first rinse gas outlet 270a, second rinse gas outlet 270b, along blowdown piping 280 and adsorption tower unit with Rotary valve 100 connects.It should be noted that Fig. 1 illustrate only above-mentioned each pipeline and each of adsorption tower unit connects Connection relation between mouth and rotary valve 100, Fig. 1 are the schematic diagram of connection relation, are not defined to the position of connection.

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 rinses gas inlet tube 260, first and rinses gas outlet 270a, the second flushing gas outlet 270b and along putting Air pipe 280 is connected to adsorption tower Unit selection, and will can mutually be selected between each adsorption tower in adsorption tower unit Property connection so that adsorption tower unit can smoothly complete entire adsorption process.

H₂Purification system 1000 replaces complicated sequencing valve in traditional multi-pipeline technical process by rotary valve 100, It realizes rotary valve 100 while multiple pipelines is switched over the purpose of control.Compared to traditional sequencing valve, life is significantly reduced The consumptive material for producing equipment, reduces equipment input cost, while keeping the control switched to valve and pipeline more convenient, reduces valve The failure rate of door, reduces maintenance cost.

Fig. 2, Fig. 3 and Fig. 4 are please referred to, rotary valve 100 includes rotating member 110 and nonrotational part 120, and rotating member 110 can turn It is placed in nonrotational part 120 dynamicly.In the present embodiment, rotating member 110 is in rough cylindric, and nonrotational part 120 is in substantially Cylindrical shape, nonrotational part 120 is sheathed on rotating member 110, and nonrotational part 120 is coaxially disposed with rotating member 110, nonrotational part The lateral wall of 120 madial wall and rotating member 110 offsets.It should be noted that in the other embodiment of the utility model, turn Moving part 110 can also be in rough cylindrical shape.

Further, it includes the first subflow road 131, second that nonrotational part 120, which has first flow 130, first flow 130, Subflow road 132, third 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, the 9th subflow road 139 and the tenth subflow road 1310.First flow 130 runs through nonrotational part 120 Side wall.Rotating member 110 has second flow channel 140.First flow 130 is used for adsorption tower unit and each pipeline connection, By the control to first flow 130 and the connected relation of second flow channel 140, the adsorbed state to adsorption tower unit is realized indirectly Control.

Further, adsorption tower unit includes adsorption tower 210, adsorption tower 211, adsorption tower 212, adsorption tower 213, adsorption tower 214, adsorption tower 215, adsorption tower 216, adsorption tower 217, adsorption tower 218, adsorption tower 219, adsorption tower 2110 and adsorption tower 2111. Wherein, adsorption tower 210 has the first interface 210a being connected to its adsorbent chamber and second interface 210b；Adsorption tower 211 have with The first interface 211a and second interface 211b of its adsorbent chamber connection；Adsorption tower 212 has be connected to its adsorbent chamber first to connect Mouth 212a and second interface 212b；Adsorption tower 213 has the first interface 213a being connected to its adsorbent chamber and second interface 213b； Adsorption tower 214 has the first interface 214a being connected to its adsorbent chamber and second interface 214b；Adsorption tower 215 has to be adsorbed with it The first interface 215a and second interface 215b of chamber connection；Adsorption tower 216 has the first interface 216a being connected to its adsorbent chamber With second interface 216b；Adsorption tower 217 has the first interface 217a being connected to its adsorbent chamber and second interface 217b；Adsorption tower 218 have the first interface 218a being connected to its adsorbent chamber and second interface 218b；Adsorption tower 219 has to be connected to its adsorbent chamber First interface 219a and second interface 219b；Adsorption tower 2110 has the first interface 2110a that is connected to its adsorbent chamber and the Two interface 2110b；Adsorption tower 2111 has the first interface 2111a being connected to its adsorbent chamber and second interface 2111b.Unstripped gas Pipeline 220, inverse put air pipe 240, whole loading line 250, rinses gas inlet tube the 260, first flushing gas at product air pipe 230 Outlet 270a, the second flushing gas outlet 270b, suitable blowdown piping 280 and whole first interfaces and whole second interfaces are equal It is connected to the lateral wall of nonrotational part 120.

It should be noted that the adsorbent for adsorbing the foreign gas in unstripped gas is filled in each adsorption tower, Hydrogen is set to be purified the selective absorption of foreign gas using adsorbent.

In the present embodiment, specifically, the first subflow road 131 and the second subflow road 132 are 12,12 the first subflows Road 131 and 12 the second subflow roads 132 are arranged along the circumferential uniform intervals of nonrotational part 120.

12 the first subflow roads 131 connect one to one and are connected to 12 first interfaces of adsorption tower unit；12 Two subflow roads 132 connect one to one and are connected to 12 second interfaces of adsorption tower unit；Raw material air pipe 220 and third Runner 133 is connected to and in communication with；Product air pipe 230 is connected to and in communication with the 4th subflow road 134；Inverse put air pipe 240 and the 5th Subflow road 135 is connected to and in communication with；Whole loading line 250 is connected to and in communication with the 8th subflow road 138；Rinse gas inlet tube 260 with 6th subflow road 136 is connected to and in communication with；First flushing gas outlet 270a is connected to and in communication with the 7th subflow road 137；Second punching Gas washing outlet 270b is connected to and in communication with the 9th subflow road 139；It connect and connects with the tenth subflow road 1310 along blowdown piping 280 It is logical.

By rotating rotating member 110, the nonrotational part 120 relatively of rotating member 110 can be made to rotate, to make second Road 140 rotates with respect to first flow 130, to change the connected relation between second flow channel 140 and first flow 130, And then change entire H₂The pipeline connection relationship of purification system 1000, reaches the mesh switched between different absorption phases 's.

Please refer to Fig. 3 and Fig. 4.Fig. 3 be nonrotational part 120 side wall and first flow 130 along rotary valve 100 it is axial into Row is cut and the floor map after being unfolded, and is the madial wall of nonrotational part 120 on one side towards we this.Fig. 4 is rotating member 110 second flow channel 140 is cut along the axial direction of rotary valve 100 and the floor map after being unfolded, towards our this Face is the inside of rotating member 110.

It should be noted that in figs. 3 and 4, being carried out to the plane outspread drawing of nonrotational part 120 and rotating member 110 Subregion.Along the circumferential direction of rotary valve 100, the plane outspread drawing of nonrotational part 120 and rotating member 110 has been divided into 24 Continuous zonule, number is 1~24 respectively, wherein before expansion, what 1 and 24 two region was connected to, in order to facilitate table Show, is that nonrotational part 120 and rotating member 110 are unfolded along 1 and 24 boundary in figure.Along the axial direction of rotary valve 100, rotating member 110 have multiple parallel and coaxial arrangement elementary layer, the rotational axis line of the axial lines of multiple elementary layers with rotating member 110 Setting is overlapped, these elementary layers respectively represent 10 layer-shaped areas, and number is A~J respectively.Region corresponding to these elementary layers A~J is mutually spaced setting.

In the embodiments of the present invention, first flow 130 and the width of second flow channel 140 refer to along rotary valve 100 Axial width, the length of first flow 130 and second flow channel 140 refers to the circumferential length along rotary valve 100.Above-mentioned Each zonule that number is 1~24 is represented as 1 lattice along the circumferential length of rotary valve 100, and number is that 10 of A~J are small Region is equal along the axial width of rotary valve 100.

Specifically, second flow channel 140 includes that annular channel unit (not marked in figure) and interlayer flow passage unit (are not marked in figure Go out).Annular channel unit includes multiple annular channels, and multiple annular channels are by the lateral wall of rotating member 110 towards far from non-turn The side of moving part 120 is recessed, and multiple annular channels are along the circumferentially disposed of rotating member 110, and multiple annular channels are in rough Fan is cyclic annular or circular, and the center of circle of the circumference corresponding to multiple annular channels is located at the rotational axis line of rotating member 110, and rotation turns Moving part 110 is so that multiple annular channels are connected to 130 selectivity of first flow.Annular channel is set to the region corresponding to elementary layer A~J.Interlayer flow passage unit includes multiple interlayer runners, and interlayer runner is used to two annular channels being connected to.

Annular channel be used for first flow 130 carry out it is selective be connected to, by rotate rotating member 110 can make annular flow Road rotates, to change the connected relation of annular channel and first flow 130.And interlayer runner is for being connected to two annular flows Road, it is acted on using the indirect communication of interlayer runner, two sub- runner indirect communications of first flow 130 can be made, to make It is interconnected between each adsorption tower and each pipeline, and each adsorption tower can be changed by rotating rotating member 110 And the connected relation between each pipeline, to reach control H₂The purpose of the adsorbed state of purification system 1000.

It should be noted that since the lateral wall of the madial wall and rotating member 110 of nonrotational part 120 offsets, so non-turn Moving part 120 has sealing function to annular channel, makes the gas into annular channel will not be from nonrotational part 120 and rotating member Escaped between 110, ensure that the gas in annular channel can smoothly, be exactly into preset path.And it is new in this practicality In the other embodiment of type, interlayer runner can also be for the annular channel of three or more to be connected to, and two Between annular channel also not necessarily only be connected to by an interlayer runner, can also be between two annular channels by two or More interlayer runner is connected to.

Further, in the present embodiment, annular channel unit includes annular channel 01, annular channel 02, annular channel 03, annular channel 04, annular channel 05, annular channel 06, annular channel 07, annular channel 08, annular channel 09 and annular flow Road 010.

More specifically, annular channel 01 corresponds to the entire annular section of J1~J24, annular channel 01 is annular shape.Annular Runner 02 corresponds to the entire annular section of I1~I24, and annular channel 02 is also annular shape.Annular channel 03 corresponds to H1~H24's Entire annular section, annular channel 03 are also annular shape.

Annular channel 04 includes annular channel 041, annular channel 042, annular channel 043 and annular channel 044.Annular flow Road 041 is that the continuous fan in the regions corresponding G20~G1 is cyclic annular, wherein length of the annular channel 041 in the regions G20 is the entire areas G20 The half of length of field, the i.e. length of annular channel 041 are 5.5 lattice.Similar, if not providing certain illustrated, means that and occupy Entire corresponding region.Annular channel 042 is that the continuous fan in the regions corresponding G7~G10 is cyclic annular, wherein annular channel 042 is in the areas G7 The length in domain is the half of entire G7 zone lengths, i.e., the length of annular channel 042 is 3.5 lattice.Annular channel 043 is to correspond to The continuous fan in the regions G11~G12 is cyclic annular, wherein length of the annular channel 043 in the regions G11 is the one of entire G11 zone lengths Half, i.e. the length of annular channel 043 is 1.5 lattice.Annular channel 044 is that the continuous fan in the regions corresponding G13~G14 is cyclic annular, wherein Length of the annular channel 044 in the regions G13 is the half of entire G13 zone lengths, i.e. the length of annular channel 044 is 1.5 lattice.

Annular channel 05 corresponds to the entire annular section of F1~F24, and annular channel 05 is also annular shape.Annular channel 06 is right It is also annular shape to answer the entire annular section of E1~E24, annular channel 06.Annular channel 07 corresponds to the entire ring-type of D1~D24 Region, annular channel 07 are also annular shape.

Annular channel 08 includes annular channel 081, annular channel 082, annular channel 083, annular channel 084, annular flow Road 085, annular channel 086, annular channel 087, annular channel 088, annular channel 089, annular channel 0810, annular channel 0811, annular channel 0812 and annular channel 0813.

Annular channel 081 is that the continuous fan in the regions corresponding C20~C1 is cyclic annular, wherein annular channel 081 is in the regions C20 Length is the half of entire C20 zone lengths, i.e., the length of annular channel 081 is 5.5 lattice.

Annular channel 082 is the continuous fan ring-type in the corresponding regions C2, wherein length of the annular channel 082 in the regions C2 is The half of entire C2 zone lengths, the i.e. length of annular channel 082 are 0.5 lattice, and annular channel 082 and annular channel 081 it Between distance be 0.5 lattice.

Annular channel 083 is the continuous fan ring-type in the corresponding regions C3, wherein length of the annular channel 083 in the regions C3 is The half of entire C3 zone lengths, the i.e. length of annular channel 083 are 0.5 lattice, and annular channel 082 and annular channel 083 it Between distance be 0.5 lattice.

Annular channel 084 is the continuous fan ring-type in the corresponding regions C4, wherein length of the annular channel 084 in the regions C4 is The half of entire C4 zone lengths, the i.e. length of annular channel 084 are 0.5 lattice, and annular channel 084 and annular channel 083 it Between distance be 0.5 lattice.

Annular channel 085 is the continuous fan ring-type in the corresponding regions C5, wherein length of the annular channel 085 in the regions C5 is The half of entire C5 zone lengths, the i.e. length of annular channel 085 are 0.5 lattice, and annular channel 085 and annular channel 084 it Between distance be 0.5 lattice.

Annular channel 086 is the continuous fan ring-type in the corresponding regions C6, wherein length of the annular channel 086 in the regions C6 is The half of entire C6 zone lengths, the i.e. length of annular channel 086 are 0.5 lattice, and annular channel 086 and annular channel 085 it Between distance be 0.5 lattice.

Annular channel 087 is that the continuous fan in the regions corresponding C7~C10 is cyclic annular, wherein length of the annular channel 087 in the regions C7 Degree is the half of entire C7 zone lengths, i.e., the length of annular channel 087 is 3.5 lattice, and annular channel 087 and annular channel The distance between 086 is 0.5 lattice.

Annular channel 088 is that the continuous fan in the regions corresponding C11~C12 is cyclic annular, wherein annular channel 088 is in the regions C11 Length is the half of entire C11 zone lengths, i.e., the length of annular channel 088 is 1.5 lattice, and annular channel 088 and annular flow The distance between road 087 is 0.5 lattice.

Annular channel 089 is that the continuous fan in the regions corresponding C15 is cyclic annular, wherein length of the annular channel 089 in the regions C15 For the half of entire C15 zone lengths, i.e. the length of annular channel 089 is 0.5 lattice, and annular channel 089 and annular channel 088 The distance between be 2.5 lattice.

Annular channel 0810 is that the continuous fan in the regions corresponding C16 is cyclic annular, wherein length of the annular channel 0810 in the regions C16 Degree is the half of entire C16 zone lengths, i.e., the length of annular channel 0810 is 0.5 lattice, and annular channel 089 and annular channel The distance between 0810 is 0.5 lattice.

Annular channel 0811 is that the continuous fan in the regions corresponding C17 is cyclic annular, wherein length of the annular channel 0811 in the regions C17 Degree is the half of entire C17 zone lengths, i.e., the length of annular channel 0811 is 0.5 lattice, and annular channel 0811 and annular flow The distance between road 0810 is 0.5 lattice.

Annular channel 0812 is that the continuous fan in the regions corresponding C18 is cyclic annular, wherein length of the annular channel 0812 in the regions C18 Degree is the half of entire C18 zone lengths, i.e., the length of annular channel 0812 is 0.5 lattice, and annular channel 0812 and annular flow The distance between road 0811 is 0.5 lattice.

Annular channel 0813 is that the continuous fan in the regions corresponding C19 is cyclic annular, wherein length of the annular channel 0813 in the regions C19 Degree is the half of entire C19 zone lengths, i.e., the length of annular channel 0813 is 0.5 lattice, and annular channel 0812 and annular flow The distance between road 0813 is 0.5 lattice.

Annular channel 09 corresponds to the entire annular section of B1~B24, and annular channel 09 is annular shape.Annular channel 010 is right It is annular shape to answer the entire annular section of A1~A24, annular channel 010.

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, interlayer runner 0012 and interlayer runner 0013.

Wherein, annular channel 01 is connected to by interlayer runner 001 with annular channel 041；Interlayer runner 002 is by annular channel 02 It is connected to annular channel 044；Annular channel 03 is connected to by interlayer runner 003 with annular channel 043；Interlayer runner 004 will be annular Runner 05 is connected to annular channel 042；Annular channel 06 is connected to by interlayer runner 005 with annular channel 088；Interlayer runner 006 Annular channel 06 is connected to annular channel 087；Annular channel 07 is connected to by interlayer runner 007 with annular channel 089；Interflow Annular channel 084 is connected to by road 008 with annular channel 0812；Interlayer runner 009 connects annular channel 085 and annular channel 0811 It is logical；Annular channel 086 is connected to by interlayer runner 0010 with annular channel 0810；Interlayer runner 0011 is by annular channel 03 and annular Runner 0813 is connected to；Annular channel 082 is connected to by interlayer runner 0012 with annular channel 09；Interlayer runner 0013 is by annular channel 081 is connected to annular channel 010.

It should be noted that in the present embodiment, each interlayer runner is the connecting pipe set on rotating member 110, often A interlayer runner will not cause to do for being connected to specific two annular channels to other annular channels or other interlayer runners It disturbs.Preferably, each interlayer runner is in rough arc, can reduce the resistance suffered by air-flow in this way, improves gas stream Stability during dynamic.In the other embodiment of the utility model, there is no special limits for the shape of each interlayer runner Specific two annular channels, can be connected to by system and regulation.In other embodiments of the utility model, each layer Between runner can also be that the side wall by rotating member 110 is recessed the connectivity slot formed towards the side far from nonrotational part 120, but it is unlimited In this.

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 between be divided into 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.12 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, subflow road 131j, subflow road 131k and subflow road 131l. 12 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, subflow road 132j, subflow road 132k and subflow Road 132l.And third subflow road 133, the 4th subflow road 134, the 5th subflow road 135, the 6th subflow road 136, the 7th subflow road 137, the number in the 8th subflow road 138, the 9th subflow road 139 and the tenth subflow road 1310 is one and length is 0.5 lattice. Along the axial direction of rotary valve 100, subflow road 131a, subflow road 132a, third 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, the 9th subflow road 139 and the tenth subflow road 1310 It arranges in substantial linear.

It should be noted that in the other embodiment of the utility model, first flow 130 can also be other shapes, It is not restricted to the shape of first flow 130, as long as specific annular channel can be connected to by first flow 130 with exterior line .

Specifically, in the present embodiment, subflow road 131a is located at the one of the regions G2 and the close regions G1 positioned at the regions G2 End, the first subflow road 131 with annular channel 04 for being connected to.Subflow road 132a is located at the regions C2 and the close C1 positioned at the regions C2 The one end in region, the second subflow road 132 with annular channel 08 for being connected to.Third subflow road 133 is located at the regions J2 and is located at J2 The one end in the close regions J1 in region, third subflow road 133 with annular channel 01 for being connected to.4th subflow road 134 is located at A2 Region and positioned at the regions A2 close the regions A1 one end, the 4th subflow road 134 be used for be connected to annular channel 010.5th son Runner 135 is located at the one end in the regions I2 and the close regions I1 positioned at the regions I2, and the 5th subflow road 135 is used for and annular channel 02 Connection.6th subflow road 136 is located at the one end in the regions E2 and the close regions E1 positioned at the regions E2, and the 6th subflow road 136 is used for It is connected to annular channel 06.7th subflow road 137 is located at the one end in the regions H2 and the close regions H1 positioned at the regions H2, the 7th son Runner 137 with annular channel 03 for being connected to.8th subflow road 138 is located at the regions B2 and positioned at the close region B1 in the regions B2 One end, the 8th subflow road 138 with annular channel 09 for being connected to.9th subflow road 139 is located at the regions F2 and positioned at the region F2 One end close to the regions F1, the 9th subflow road 139 with annular channel 05 for being connected to.Tenth subflow road 1310 be located at the regions D2 and One end positioned at the close regions D1 in the regions D2, the tenth subflow road 1310 with annular channel 07 for being connected to.

It should be noted that being to be indirectly connected between 12 first interfaces and 12 second interfaces and nonrotational part 120.Even 12 first interfaces and 12 second interfaces are connected to nonrotational part 120 by take over 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, first interface 219a, first interface 2110a and first interface 2111a are same 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, subflow road 131j, subflow road 131k and subflow road 131l connect one to one, i.e., first connects Mouth 210a is connected to subflow road 131a by connecting tube 290, and first interface 211a is connected to subflow road 131b by connecting tube 290, with This analogizes, and details are not described herein again.Connecting tube 290 connects second interface 210b, second interface 211b, second interface 212b, second Mouth 213b, second interface 214b, second interface 215b, second interface 216b, second interface 217b, second interface 218b, second Interface 219b, second interface 2110b and second interface 2111b are the same as 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, subflow road 132j, subflow Road 132k and subflow road 132l connect one to one.That is second interface 210b is connected to subflow road 132a by connecting tube 290, and second Interface 211b is connected to subflow road 132b by connecting tube 290, and so on, details are not described herein again.

With reference to H₂The specific adsorption process of purification system 1000 is to rotary valve 100 and H₂Purification system 1000 carries out It is described in detail.

H₂The operating time-scale of purification system 1000 is as shown in table 1, wherein：A indicates absorption；E1D indicates one down；E2D Indicate two down；E3D indicates that three drop；E4D indicates that four drop；PP indicates suitable and puts；D indicates inverse put；P1 indicates to rinse for the first time； P2 indicates to rinse for second；E4R indicates that four rise；E3R indicates that three rise；E2R indicates that two rise；E1R indicates that one rises；FR tables Show final boosting.Each sequential indicates the period of same length.

1 H of table₂Purification system 1000 operates time-scale

Fig. 3 and Fig. 4 are please referred to, by taking adsorption tower 210 as an example, as shown in table 1, works as H₂Purification system 1000 will enter sequential When 1, at this point, the zonule 1 of rotating member 110 is overlapped with the zonule 1 of the nonrotational part 120 in Fig. 3 in Fig. 4, rotating member 110 Zonule 24 and the zonule 24 of nonrotational part 120 also overlap.Annular channel 041 will connect with subflow road 131a at this time It is logical, and annular channel 081 will be connected to subflow road 132a, adsorption tower 210 will enter absorption phase.It should be noted that. In H₂In the entire sequential of purification system 1000, the rotation direction of rotating member 110 is the circumferential direction K along rotary valve 100, and Nonrotational part 120 remains stationary as, i.e., rotating member 110 is rotated relative to nonrotational part 120.

Work as H₂Purification system 1000 enters sequential 1, and annular channel 041 is connected to subflow road 131a, and annular channel 081 It is connected to subflow road 132a, adsorption tower 210 enters absorption phase.

Unstripped gas by raw material air pipe 220 through third subflow road 133 enter annular channel 01, then by interlayer runner 001 into Enter annular channel 041 and enters adsorption tower 210 through subflow road 131a and first interface 210a, after being adsorbed, product gas H₂By Second interface 210b is successively through subflow road 132a, annular channel 081, interlayer runner 0013, annular channel 010, the 4th subflow road Enter product gas pipeline 230 after 134 to be discharged.Foreign gas in absorption phase, unstripped gas, which is substantially all, to be adsorbed by adsorbent, There was only minimal amount of foreign gas in product gas, or even foreign gas is not present.

Due to annular channel 081 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 entire 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/24, be equal to a quarter, the absorption of this and adsorption tower in time-scale 210 The ratio 6/24 that stage accounts for entire timing cycles is consistent.The entire absorption phase of adsorption tower 210 continues entire sequential 1 to sequential 6.

It should be noted that the length of annular channel 041 and subflow road 131a and the ratio for accounting for entire 24 lattice are the first ratio Example, the length of annular channel 081 and subflow road 132a and the ratio for accounting for entire 24 lattice are also the first ratio, and absorption phase accounts for entirely The ratio of timing cycles is the second ratio.Theoretically, the first ratio and the second ratio should be equal.It should be noted that such as Fig. 5 Shown, the length of annular channel 041 refers to the arc length L3 corresponding to circumferential direction of the annular channel 041 along rotary valve 100, subflow road The length of 131a refers to the arc length L2 corresponding to circumferential directions of the aperture L1 of subflow road 131a along rotary valve 100, is illustrated, subflow The length of road 131a does not imply that the aperture L1 of subflow road 131a, and refers to the aperture L1 of subflow road 131a along rotary valve 100 Arc length L2 corresponding to circumferential direction.The length of L2 and L3 and the ratio of perimeter for accounting for rotating member 110 account 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 sum of the number of degrees of central angle corresponding to L2 and L3 It indicates, i.e. the ratio that the sum of the number of degrees of central angle corresponding to L2 and L3 account for angle of circumference accounts for entire sequential week equal to respective stage The ratio of phase.In the present embodiment, for simplicity, it is indicated using length ratio.But in the actual production process, above-mentioned two Ratio is extremely difficult to completely the same, generally can all have certain error, as long as not influencing H₂The normal work(of purification system 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 rotating member 110 is overlapped with the zonule 7 of nonrotational part 120.At this point, sub Runner 132a is just disconnected with annular channel 081, and will be connected to annular channel 0813；Subflow road 131a just with annular flow Road 041 disconnects.When adsorption tower 210 enters sequential 7, annular channel 0813 is connected to subflow road 132a, and annular channel at this time 083 is connected to subflow road 132e, and annular channel 083 is connected to by interlayer runner 0011 with annular channel 0813, adsorption tower 210 with Adsorption tower 214 is connected to, and adsorption tower 210 is in the one down stage, and adsorption tower 214 rises the stage in one.And at subflow road 131a In off-state.

In this stage, due to subflow road 132a and annular channel 0813 length and be 1 lattice, and subflow road 132e and ring The length of shape runner 083 and be also 1 lattice, therefore the one of the one down stage of adsorption tower 210 and adsorption tower 214 rises continuing for stage Time is 20 a quarters of entire timing cycles.The one down stage of adsorption tower 210 and the one of adsorption tower 214 rise rank The entire sequential of Duan Chixu 7.

When the one down stage of adsorption tower 210 has just terminated and will enter two down, i.e., adsorption tower 210 will enter When sequential 8, the zonule 1 of rotating member 110 is overlapped with the zonule 8 of nonrotational part 120.At this point, subflow road 132a just with ring Shape runner 0813 disconnects, and will be connected to annular channel 0812.When adsorption tower 210 enter sequential 8, annular channel 0812 i.e. with Subflow road 132a is connected to, and annular channel 084 is connected to subflow road 132f at this time, and interlayer runner 008 is by annular channel 0812 It is connected to annular channel 084, adsorption tower 210 is connected to adsorption tower 215, and adsorption tower 210 is in two down stage, adsorption tower 215 The stage is risen in two.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 0812 length and be 1 lattice, and subflow road 132f and ring The length of shape runner 084 and be also 1 lattice, therefore the two of the two down stage of adsorption tower 210 and adsorption tower 215 rise continuing for stage Time is 20 a quarters of entire timing cycles.The two down stage of adsorption tower 210 and the two of adsorption tower 215 rise rank The entire sequential of Duan Chixu 8.

When the two down stage of adsorption tower 210 has just terminated and will be dropped into three, i.e., adsorption tower 210 will enter When sequential 9, the zonule 1 of rotating member 110 is overlapped with the zonule 9 of nonrotational part 120.At this point, subflow road 132a just with ring Shape runner 0812 disconnects, and will be connected to annular channel 0811.When adsorption tower 210 enter sequential 9, annular channel 0811 i.e. with Subflow road 132a is connected to, and annular channel 085 is connected to subflow road 132g at this time, and interlayer runner 009 is by annular channel 0811 It is connected to annular channel 085, adsorption tower 210 is connected to adsorption tower 216, and adsorption tower 210 is in three equal depression of order sections, adsorption tower 216 The stage is risen in three.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 0811 length and be 1 lattice, and subflow road 132g and ring The length of shape runner 085 and be also 1 lattice, therefore the three of the three of adsorption tower 210 equal depression of order sections and adsorption tower 216 rise continuing for stage Time is 20 a quarters of entire timing cycles.Three equal depression of order sections of adsorption tower 210 and the three of adsorption tower 216 rise rank The entire sequential of Duan Chixu 9.

When three equal depression of order sections of adsorption tower 210 have just terminated and will be dropped into four, i.e., adsorption tower 210 will enter When sequential 10, the zonule 1 of rotating member 110 is overlapped with the zonule 10 of nonrotational part 120.At this point, subflow road 132a just with Annular channel 0811 disconnects, and will be connected to annular channel 0810.When adsorption tower 210 enters sequential 10, annular channel 0810 It is connected to subflow road 132a, and annular channel 086 is connected to subflow road 132h at this time, and interlayer runner 0010 is by annular channel 0810 is connected to annular channel 086, and adsorption tower 210 is connected to adsorption tower 217, and adsorption tower 210 is in four equal depression of order sections, adsorption tower 217 rise the stage in four.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 0810 length and be 1 lattice, and subflow road 132h and ring The length of shape runner 086 and be also 1 lattice, therefore the four of the four of adsorption tower 210 equal depression of order sections and adsorption tower 217 rise continuing for stage Time is 20 a quarters of entire timing cycles.Four equal depression of order sections of adsorption tower 210 and the four of adsorption tower 217 rise rank The entire sequential of Duan Chixu 10.

When four equal depression of order sections of adsorption tower 210 have just terminated and will enter along putting, i.e., adsorption tower 210 will be into fashionable When sequence 11, the zonule 1 of rotating member 110 is overlapped with the zonule 11 of nonrotational part 120.At this point, subflow road 132a just with ring Shape runner 0810 disconnects, and will be connected to annular channel 089.When adsorption tower 210 enter sequential 11, annular channel 089 i.e. with Subflow road 132a is connected to, and adsorption tower 210 is in suitable and puts the stage.And subflow road 131a is off.It is connect by second along deflating Mouthful 210b successively behind subflow road 132a, annular channel 089, interlayer runner 007, annular channel 07, the tenth subflow road 1310 by It is discharged along blowdown piping 280.

In this stage, due to subflow road 132a and annular channel 089 length and be 1 lattice, therefore adsorption tower 210 along putting The duration in stage is 20 a quarters of entire timing cycles.Adsorption tower 210 continues entire sequential along the stage of putting 11。

When adsorption tower 210 has just terminated along the stage that puts and will enter the inverse put stage, i.e., adsorption tower 210 will enter When sequential 12, the zonule 1 of rotating member 110 is overlapped with the zonule 12 of nonrotational part 120.At this point, subflow road 132a just with Annular channel 089 disconnects；And subflow road 131a will be connected to annular channel 044.When adsorption tower 210 enters sequential 12, subflow Road 131a is connected to annular channel 044, and subflow road 132a is off, and adsorption tower 210 is in the inverse put stage.Reverse gas by First interface 210a is successively through subflow road 131a, annular channel 044, interlayer runner 002, annular channel 02, the 5th subflow road 135 It is discharged afterwards 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/24th of entire timing cycles.The inverse put stage of adsorption tower 210 continues entire sequential 12 With sequential 13.

When the inverse put stage of adsorption tower 210 has just terminated and will enter first time rinse stage, i.e., adsorption tower 210 is When will enter sequential 14, the zonule 1 of rotating member 110 is overlapped with the zonule 14 of nonrotational part 120.At this point, subflow road 131a It just disconnects, and will be connected to annular channel 043 with annular channel 044；Subflow road 132a will also connect with annular channel 088 It is logical.When adsorption tower 210 enters sequential 14, subflow road 131a is connected to annular channel 043, and subflow road 132a is and annular channel 088 connection, adsorption tower 210 are in first time rinse stage.Gas is rinsed by flushing gas inlet tube 260 successively through the 6th subflow road 136, enter adsorption tower after annular channel 06, interlayer runner 005, annular channel 088, subflow road 132a and second interface 210b The adsorbent of 210 pairs of adsorption towers 210 is rinsed, the flushing gas after flushing by first interface 210a successively through subflow road 131a, Behind annular channel 043, interlayer runner 003, annular channel 03, the 7th subflow road 137 the 270a discharges of gas outlet are rinsed by first.

In this stage, due to subflow road 131a and annular channel 043 length and be 2 lattice, subflow road 132a and annular The length of runner 088 and be also 2 lattice, therefore duration of the first time rinse stage of adsorption tower 210 is entire timing cycles 2/24ths.The first time rinse stage of adsorption tower 210 continues entire sequential 14 to sequential 15.

When the first time rinse stage of adsorption tower 210 has just terminated and will enter second of rinse stage, that is, adsorb When tower 210 will enter sequential 16, the zonule 1 of rotating member 110 is overlapped with the zonule 16 of nonrotational part 120.At this point, subflow Road 131a is just disconnected with annular channel 043, and will be connected to annular channel 042；Subflow road 132a also just with annular flow Road 088 disconnects, and will be connected to annular channel 087.When adsorption tower 210 enters sequential 16, subflow road 131a and annular channel 042 connection, subflow road 132a are connected to annular channel 087, and adsorption tower 210 is in second of rinse stage.Gas is rinsed by rushing Gas washing inlet tube 260 is successively through the 6th subflow road 136, annular channel 06, interlayer runner 006, annular channel 087, subflow road The adsorbent of adsorption tower 210 is rinsed into adsorption tower 210 after 132a and second interface 210b, the flushing gas after flushing by First interface 210a is successively through subflow road 131a, annular channel 042, interlayer runner 004, annular channel 05, the 9th subflow road 139 Afterwards the 270b discharges of gas outlet are rinsed by second.

In this stage, due to subflow road 131a and annular channel 042 length and be 4 lattice, subflow road 132a and annular The length of runner 087 and be also 4 lattice, therefore duration of second of rinse stage of adsorption tower 210 is entire timing cycles 4/24ths.Second of rinse stage of adsorption tower 210 continues entire sequential 16 to sequential 19.

When second of rinse stage of adsorption tower 210 has just terminated and will enter four and rises the stage, i.e. adsorption tower 210 When will enter sequential 20, the zonule 1 of rotating member 110 is overlapped with the zonule 20 of nonrotational part 120.At this point, subflow road 131a is just disconnected with annular channel 042；Subflow road 132a is just disconnected with annular channel 087, and will be with annular channel 086 Connection.When adsorption tower 210 enter sequential 20, annular channel 086 i.e. be connected to subflow road 132a, and at this time annular channel 0810 and Subflow road 132f is connected to, and annular channel 086 is connected to by interlayer runner 0010 with annular channel 0810, adsorption tower 210 and absorption Tower 215 is connected to, and adsorption tower 210 rises the stage in four, and adsorption tower 215 is in four equal depression of order sections.And subflow road 131a is in disconnected Open state.

In this stage, due to subflow road 132a and annular channel 086 length and be 1 lattice, and subflow road 132f and ring The length of shape runner 0810 and be also 1 lattice, therefore the four of adsorption tower 210 rise holding for four equal depression of order sections of stage and adsorption tower 215 The continuous time is 20 a quarters of entire timing cycles.The four of adsorption tower 210 rise the stage and the four of adsorption tower 215 and drop Stage continues entire sequential 20.

When adsorption tower 210 four rise the stage just terminated and will enter three liter the stage when, i.e., adsorption tower 210 will When into sequential 21, the zonule 1 of rotating member 110 is overlapped with the zonule 21 of nonrotational part 120.At this point, subflow road 132a is rigid It just disconnects, and will be connected to annular channel 085 with annular channel 086.When adsorption tower 210 enters sequential 21, annular channel 085 It is connected to subflow road 132a, and annular channel 0811 is connected to subflow road 132g at this time, and interlayer runner 009 is by annular channel 085 is connected to annular channel 0811, and adsorption tower 210 is connected to adsorption tower 216, and adsorption tower 210 rises the stage in three, adsorption tower 216 are in three equal depression of order sections.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 085 length and be 1 lattice, and subflow road 132g and ring The length of shape runner 0811 and be also 1 lattice, therefore the three of adsorption tower 210 rise holding for three equal depression of order sections of stage and adsorption tower 216 The continuous time is 20 a quarters of entire timing cycles.The three of adsorption tower 210 rise the stage and the three of adsorption tower 216 and drop Stage continues entire sequential 21.

When adsorption tower 210 three rise the stage just terminated and will enter two liter the stage when, i.e., adsorption tower 210 will When into sequential 22, the zonule 1 of rotating member 110 is overlapped with the zonule 22 of nonrotational part 120.At this point, subflow road 132a is rigid It just disconnects, and will be connected to annular channel 084 with annular channel 085.When adsorption tower 210 enters sequential 22, annular channel 084 It is connected to subflow road 132a, and annular channel 0812 is connected to subflow road 132h at this time, and interlayer runner 008 is by annular channel 084 is connected to annular channel 0812, and adsorption tower 210 is connected to adsorption tower 217, and adsorption tower 210 rises the stage in two, adsorption tower 217 are in the two down stage.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 084 length and be 1 lattice, and subflow road 132h and ring The length of shape runner 0812 and be also 1 lattice, therefore the two of adsorption tower 210 rise holding for stage and the two down stage of adsorption tower 217 The continuous time is 20 a quarters of entire timing cycles.The two of adsorption tower 210 rise the two down in stage and adsorption tower 217 Stage continues entire sequential 22.

When adsorption tower 210 two rise the stage just terminated and will enter one liter the stage when, i.e., adsorption tower 210 will When into sequential 23, the zonule 1 of rotating member 110 is overlapped with the zonule 23 of nonrotational part 120.At this point, subflow road 132a is rigid It just disconnects, and will be connected to annular channel 083 with annular channel 084.When adsorption tower 210 enters sequential 23, annular channel 083 It is connected to subflow road 132a, and annular channel 0813 is connected to subflow road 132i at this time, and interlayer runner 0011 is by annular flow Road 083 is connected to annular channel 0813, and adsorption tower 210 is connected to adsorption tower 218, and adsorption tower 210 rises the stage in one, absorption Tower 218 is in the one down stage.And subflow road 131a is off.

In this stage, due to subflow road 132a and annular channel 083 length and be 1 lattice, and subflow road 132i and ring The length of shape runner 0813 and be also 1 lattice, therefore the one of adsorption tower 210 rises holding for stage and the one down stage of adsorption tower 218 The continuous time is 20 a quarters of entire timing cycles.The one of adsorption tower 210 rises the one down in stage and adsorption tower 218 Stage continues entire sequential 23.

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 24, the zonule 1 of rotating member 110 is overlapped with the zonule 24 of nonrotational part 120.At this point, subflow road 132a It just disconnects, and will be connected to annular channel 082 with annular channel 083.When adsorption tower 210 enters sequential 24, annular channel 082 is connected to 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 8th subflow road 138, annular channel 09, interlayer runner 0012, annular channel 082, son Enter adsorption tower 210 through second interface 210b after runner 132a and final boosting processing is carried out to adsorption tower 210.

In this stage, due to subflow road 132a and annular channel 082 length and be 1 lattice, therefore adsorption tower 210 is final The duration of boost phase is 20 a quarters of entire timing cycles.The final boost phase of adsorption tower 210 continues whole A sequential 24.

Adsorption tower 210 completes a timing cycles as a result, if continuing, adsorption tower 210 is according to above-mentioned flow It is recycled.The sequential of other adsorption towers is similar to adsorption tower 210, other adsorption towers are in different sequential ranks as can be drawn from Table 1 The connection status and connection relation of section state in which and first flow 130, second flow channel 140 and entire pipeline.Specifically ask In conjunction with table 1 and refering to Fig. 3 and Fig. 4, details are not described herein again.

It therefore deduces that：H₂Purification system 1000 is by rotary valve 100 instead of wrong in traditional multi-pipeline technical process The sequencing valve of comprehensive complexity makes the numerous sequencing valves of quantity successfully be substituted by a rotary valve 100, realizes a rotary valve 100 To entire H₂Purification system 1000 switches over the purpose of control.By rotating the rotating member 110 of rotary valve 100, the can be made Each subflow road of first flow 130 is selectively connected to by two runners 140, and then makes each adsorption tower and each pipeline selectivity Connection, to complete each flow in pressure-variable adsorption.

Compared to traditional sequencing valve, the consumptive material of production equipment is significantly reduced, equipment input cost and peace are greatly reduced Dress up this.And equipment installation is simplified, shorten the time loss of equipment installation and dismounting.Meanwhile it being rotated only by rotation The rotating member 110 of valve 100 can be realized to entire H₂Connection between each adsorption tower and each pipeline of purification system 1000 The control and adjustment of relationship, enormously simplify H₂Workload and operating burden of the purification system 1000 when adsorbed state switches, Make to H₂The control of purification system 1000 is more convenient, substantially increases production efficiency.Since valve reduced number is to 1, greatly Failsafe valve rate is reduced greatly, improves H₂The whole stability of purification system 1000 and safety, reduce maintenance cost with Time loss.

H₂Purification system 1000 by rotating the connection relation that rotary valve 100 is changeable whole system, by adjusting with Rotating speed in the driving motor of driving rotary valve 100 or adjustment timer setting, when can effectively reduce the cycle 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-controlled The limitation of threshold switch time can not accomplish that operating procedure run time is less than 2 seconds.And utilize H₂Purification system 1000, by subtracting The circulation time of few timing cycles can make adsorbent quickly carry out absorption and De contamination, and then reduce the filling ruler of adsorbent It is very little.The volume of adsorption tower can be greatly reduced in this way, and is invested with this to reduce equipment cost.Further, since timing cycles Circulation time shortens, and reduces the volume of adsorption tower, is convenient for entire H₂Purification system 1000 reduces manufacture and is mounted at sled This.

It should be noted that in other embodiments of the utility model, H₂The structure of purification system can be different, eventually Loading line 250 rinses gas outlet 270a along blowdown piping 280, flushing gas inlet tube 260, first time or rinses for the second time Any one in gas outlet 270b and the sequential stage corresponding to it can be used as option, be selectively added H₂It carries In pure lines system.And adsorption tower quantity, first flow and second flow channel will also change and delete accordingly at this time, time-scale also can It is different.These deformations can show that details are not described herein again in conjunction with the above.

Further, in other embodiments of the utility model, the flows such as pre- absorption can also be added to H₂It carries In pure lines system, pressure rises can also be adjusted with the number of equal pressure drop according to needs of production.Correspondingly, these flows The structure of first flow and second flow channel, time-scale can accordingly change after addition, these changes can be according to above-mentioned absorption The adsorption process principles and methods of tower 210 simultaneously combine table 1, Fig. 3 and Fig. 4 to show that details are not described herein again.

Further, in the present embodiment, in order to improve the sealing effect between rotating member 110 and nonrotational part 120, turn Each annular channel of moving part 110 is equipped with the sealing element 300 for improving sealing effect close to one end of nonrotational part 120, As shown in Figure 6.Sealing element 300 is located on each annular channel, sealing element 300 simultaneously with rotating member 110 and nonrotational part 120 It offsets and is interference fitted, sealing element 300 is connected to rotating member 110, and sealing element 300 is with relatively nonrotational 120 turns of the part of rotating member 110 It is dynamic.Sealing element 300 can further increase sealing effect, be escaped between preventing gas from referring to from rotating member 110 and nonrotational part 120, And the gas of different runners can be further prevented to be mixed, ensure the purity of gas.Specifically, in the present embodiment, close Sealing 300 is elastic seal ring.It should be noted that in the other embodiment of the utility model, sealing element 300 can also be It is located on one end of the close rotating member 110 of first flow 130.

In the other embodiment of the utility model, the quantity of adsorption tower can be different, and multiple the first of multiple adsorption towers Interface can also be connected to same first subflow road, and multiple second interfaces of multiple adsorption towers are also sub with same second Runner is connected to.At this point, multiple adsorption towers are in same stage in same sequential.In other embodiments of the utility model, The first interface of the same adsorption tower can also be connected to multiple first subflows road simultaneously, and the second of the same adsorption tower connects Mouth is also connected to multiple second subflows road simultaneously.At this point, multiple first flows and multiple second flow channel synchronizations are used to pair The gas of same adsorption tower is conveyed.

In the other embodiment of the utility model, rotary valve can be different, and the rotating member 110 of rotary valve is fixed, Rotatable rather than rotating member 120, which can not rotate, relatively rotates the rotation of part 110.Second flow channel 140 is then arranged at nonrotational part 120 madial wall, and first flow is then arranged at rotating member 110, first flow at this time is different from first flow 130, First flow at this time is to enter rotating member 110 by the end of rotating member 110 and run through rotating member by the side wall of rotating member 110 110.It can be realized to H in this case, rotating nonrotational part 120₂The control of purification system.

In the still other embodiments of the utility model, rotating member is that column rather than rotating member are then set to rotating member End, rotating member can be rotated relative to nonrotational part.At this point, second flow channel is set to the end of the close nonrotational part of rotating member, the One runner runs through nonrotational part.In this case, rotation rotating member can also be realized to H₂The control of purification system.Similar deformation this Place is not listed.

In also some embodiments of the utility model, also not necessarily fan is cyclic annular or circular for the shape of annular channel, Other shapes are can also be, as long as its corresponding effect can be realized.

It should be noted that in the embodiments of the present invention, time-scale is not unique, and time-scale can be according to reality Production is drafted and is adjusted.After changing time-scale, correspondingly, first flow and second flow channel can also do corresponding tune It is whole.As long as keeping the structure of first flow and second flow channel and corresponding time-scale corresponding, and first flow, second flow channel two Person can show that details are not described herein again with the matching way of time-scale in conjunction with the above.In addition, the utility model other In embodiment, the flushing in table 1 can be replaced by evacuating, meanwhile, second flow channel and first flow are also required to do accordingly Change in structure, and the specific implementation mode of the flow passage structure evacuated is referred to the above and obtains, herein also no longer It repeats.

On the other hand, in the embodiments of the present invention, the position of each interlayer runner and each annular channel and The sequence of setting is not changeless, and each interlayer runner and each annular channel can be adjusted flexibly according to actual needs Position and sequence.In addition, the position in each subflow road of first flow 130 is nor changeless, it can be according to reality Border situation is changed and adjusts, as long as ensureing that specific subflow road can be connected to i.e. with specific annular channel in particular moment It can.And these change and adjustment can be adjusted according to actual time-scale.

It should be noted that can also be by least two H₂Purification system 1000 is arranged in series to form H₂Multistage purification system, Product gas H can be further increased in this way₂Purity.And it can also be by H₂The solution that multistage purification system posterior segment system generates Air-breathing is backfilled to leading portion system and carries out adsorption treatment again, to improve the rate of recovery of effective gas and the purity of product gas.

In general, in the present embodiment, H₂Purification system 1000 replaces traditional multi-pipeline technique mistake by rotary valve 100 Complicated sequencing valve in journey realizes a rotary valve 100 while multiple pipelines is switched over the purpose of control.It reduces Cost, reduces failure rate, keeps operation and control more convenient.

The present embodiment also provides a kind of gas handling system, which includes H₂Purification system 1000.Gas Processing system replaces complicated sequencing valve in traditional multi-pipeline technical process using rotary valve is enough, at the same to multiple pipelines into Row switching control significantly reduces the consumptive material of production equipment compared to traditional sequencing valve, reduces equipment input cost, simultaneously It controls more convenient, reduces failure rate, reduce maintenance cost.

The present embodiment also provides a kind of H₂Method of purification.The H₂Method of purification includes rotation H₂The rotating member of purification system with Make in a rotation period of rotating member：At least one period, within the period, second flow channel is by least one One subflow road is connected to third subflow road, and is simultaneously connected at least one second subflow road with the 4th subflow road.It is at least another One period, within the period, at least one first subflow road is connected to by second flow channel with the 5th subflow road.

Further, H₂Method of purification further includes rotation rotating member so that in rotation period：At least one period, Within the period, at least one second subflow road is connected to by second flow channel with the 6th subflow road, and simultaneously by least one One subflow road is connected to the 7th subflow road.

Further, H₂Method of purification further includes rotation rotating member so that in rotation period：At least one period, Within the period, at least one second subflow road is connected to by second flow channel with the 8th subflow road.

Further, H₂Method of purification further includes rotation rotating member so that in rotation period：At least one period, Within the period, at least one first subflow road is connected to by second flow channel with the 9th subflow road.

Further, H₂Method of purification further includes rotation rotating member so that in rotation period：At least one period, Within the period, at least one second subflow road is connected to by second flow channel with the tenth subflow road.

H provided in this embodiment₂Method of purification is easy to implement, easy to operate, by the rotating member for rotating rotary valve Realization is controlled and is adjusted to the connection type of the pipeline of whole system, and it is negative to enormously simplify operation of the valve in switching Load, keeps the control to valve more convenient, avoids while controlling the operating burden that a large amount of sequencing valves are brought.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of H₂Purification system, which is characterized in that including raw material air pipe, product air pipe, inverse put air pipe, rotary valve and At least one adsorption tower；The adsorption tower has the first interface being connected to its adsorbent chamber and second interface；The rotary valve packet It includes nonrotational part and can have through the first-class of its side wall relative to the rotating member of the nonrotational part rotation, the nonrotational part Road, the first flow include the first subflow road, the second subflow road, third subflow road, the 4th subflow road and the 5th subflow road, institute Stating rotating member, there is second flow channel, the first interface to be connected to first subflow road, the second interface and described second Subflow road is connected to, and the raw material air pipe is connected to third subflow road, the product air pipe and the 4th subflow road Connection, the inverse put air pipe are connected to the 5th subflow road；

The rotating member of the rotary valve is used to rotate relative to the nonrotational part, so that in a rotation of the rotating member In period：The second flow channel selectively communicates with first subflow road and third 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 of the connection duration in road and third subflow road, second subflow road and the 4th subflow road accounts for described The a quarter of rotation period；The second flow channel selectively communicates with first subflow road and the 5th subflow road, And for the single adsorption tower, the connection duration in first subflow road and the 5th subflow road accounts for the rotation week Ten halfs of phase；

The H₂Purification system further includes rinsing gas inlet tube and first to rinse gas outlet, and the first flow further includes the 6th Subflow road and the 7th subflow road, the flushing gas inlet tube are connected to the 6th subflow road, and described first rinses gas outlet It is connected to the 7th subflow road；

The rotating member 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 second subflow road and the 6th subflow road, and simultaneously by first subflow road with The 7th subflow road selectively communicates with, and for the single adsorption tower, second subflow road and the described 6th Connection duration, first subflow road and the connection duration in the 7th subflow road in subflow road account for the ten of the rotation period Half；

The H₂Purification system further includes the second flushing gas outlet, and the first flow further includes the 9th subflow road, and described second Gas outlet is rinsed to be connected to the 9th subflow road；

The rotating member 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 first subflow road and the 9th subflow road, and for the single adsorption tower, institute The connection duration for stating the first subflow road and the 9th subflow road accounts for 1/6th of the rotation period.

2. H according to claim 1₂Purification system, which is characterized in that the H₂Purification system further includes whole loading line, The first flow further includes the 8th subflow road, and the end loading line is connected to the 8th subflow road；

The rotating member 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 second subflow road and the 8th subflow road, and for the single adsorption tower, institute The connection duration for stating the second subflow road and the 8th subflow road accounts for 20 a quarters of the rotation period.

3. H according to claim 1₂Purification system, which is characterized in that the H₂Purification system further includes suitable blowdown piping, The first flow further includes the tenth subflow road, and the suitable blowdown piping is connected to the tenth subflow road；

The rotating member 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 second subflow road and the tenth subflow road, and for the single adsorption tower and The connection duration in speech, second subflow road and the tenth subflow road accounts for 20 a quarters of the rotation period.

4. H according to claim 1₂Purification system, which is characterized in that the first interface, the second interface, described Raw material air pipe, the product air pipe and the inverse put air pipe are connect with the nonrotational part.

5. H according to claim 1₂Purification system, which is characterized 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 rotating member towards the side far from the nonrotational part, described Annular channel is in that rough fan is cyclic annular or circular along the circumferentially disposed and described annular channel of the rotating member, the annular flow The center of circle of circumference corresponding to road is located at the rotational axis line of the rotating member, and each interlayer runner is connected to few two institutes State annular channel；

The rotating member 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 first subflow road and third 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. H according to claim 5₂Purification system, which is characterized in that the rotating member includes multiple parallel and coaxially sets The axial line of the elementary layer set, multiple elementary layers overlaps setting with the rotational axis line of the rotating member, each described Elementary layer is equipped at least one annular channel.

7. H according to claim 5 or 6₂Purification system, which is characterized in that for any one subflow road and with the subflow For one annular channel of road connection, along the circumferential direction of the rotating member, the length of the annular channel and the subflow The sum of the central angle number of degrees corresponding to the aperture the two in road account for all angle numbers ratio be the first ratio, the subflow road with it is described The ratio that the flow time of adsorption process of annular channel when being connected to residing for corresponding adsorption tower accounts for a process cycle is the second ratio Example, first ratio and second ratio are of substantially equal.

8. H according to claim 1₂Purification system, which is characterized in that the adsorption tower is multiple, first subflow road Also it is multiple with second subflow road, each first subflow road is connected to at least one first interface, Mei Gesuo The second subflow road is stated to be connected to at least one second interface；The rotating member of the rotary valve is used for relatively described non-turn Moving part rotates, so that each second subflow road is selectively connected to by the second flow channel.

9. H according to claim 8₂Purification system, which is characterized in that the adsorption tower, first subflow road with it is described Second subflow road is 12, and the first interface is connected to first subflow road one-to-one correspondence, the second interface and institute It states the second subflow road and corresponds connection；

The second flow channel includes multiple annular channels and multiple interlayer runners, and each interlayer runner is connected to few two institutes State annular channel；

The rotating member 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 selectively communicates with, and a suction The connection duration of the second interface of attached tower and the second interface of other adsorption towers accounts for the one third of the rotation period.

10. a kind of gas handling system, which is characterized in that including H as claimed in any one of claims 1 to 9 wherein₂Purification system.