CN106669422A - Composite tube, assembling type filtering membrane set, membrane filtering unit and system - Google Patents
Composite tube, assembling type filtering membrane set, membrane filtering unit and system Download PDFInfo
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- CN106669422A CN106669422A CN201610114664.XA CN201610114664A CN106669422A CN 106669422 A CN106669422 A CN 106669422A CN 201610114664 A CN201610114664 A CN 201610114664A CN 106669422 A CN106669422 A CN 106669422A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/13—Specific connectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/06—Use of membrane modules of the same kind
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a composite tube which comprises an outer sleeve and a central tube, wherein the outer sleeve is equipped with an inner chamber of outer sleeve, wherein the central tube is arranged along the axial direction of the inner chamber of outer sleeve in the outer sleeve; a lateral port is formed on the outer sleeve; a vertical tee joint port corresponding to the position of the lateral port is arranged on the central tube. The invention also discloses an assembling type filtering membrane set which comprises two composite tubes and a filtering membrane element arranged between the two composite tubes, wherein an end face of a filtering membrane medium opening of the filtering membrane element is communicated with an inner annular chamber and a central hole of the filtering membrane element is communicated with the central tube. The invention also discloses a membrane filtering unit and a membrane filtering system on the basis of the assembling type filtering membrane set. After the composite tube and the assembling type filtering membrane set disclosed by the invention are simply assembled, the manufacturing of the membrane filtering unit and the membrane filtering system can be completed; the various complex pipeline connections between a plurality of membrane elements or membrane components can be avoided; the flexible and modularized standard production can be realized.
Description
Technical field
The invention belongs to water-treatment technology field, and in particular to a kind of multiple tube, pin-connected panel filtration module, membrane filter unit and system.
Background technology
Membrane separation technique is widely used to the field such as be separated by filtration of purifying water process or liquid, minimum filtration body in actual applications, membrane module or membrane component, need the membrane filter unit that basis is constituted by many pipelines, conduit coupling and support frame etc., it is different according to the filtration water demand of project, each membrane filter unit it is of different sizes, comprising membrane module or membrane module quantity also, be typically necessary in factory or project construction scene to complete these pipelines and be connected, the making of support frame.And many all criteria of right and wrongs of the operation such as these pipelines connection, operation content is different according to each project demands, brings workload big, inefficiency, the increasing of quality management and control difficulty, the problems such as cost is improved.
The method that customization is also taken in the making of pipeline, conduit coupling and support frame etc., model specification is different according to each project demands, and the manufacturing process of these nonstandardized techniques is cumbersome, long the production cycle, and control of product quality is difficult, while also causing relatively costly.
Because membrane filtration system installs occupation of land demand greatly, investment in land high cost；Sometimes fabricating yard space is also limited, it is desirable that improving the quantity of the installation of the membrane module or membrane component of unit installing space as far as possible, correspondence improves the film process ability of unit installing space.Irregular, complicated pipeline, the employing of pipeline connection prevent many spaces from making full use of, and reduce the space availability ratio of fabricating yard, are unfavorable for improving the membrane module packed density of installing space, are also unfavorable for reduces cost.
Above variety of problems does not utilize the popularization of membrane separation technique.
The content of the invention
For the deficiencies in the prior art, the technical problem to be solved is to provide a kind of multiple tube, pin-connected panel filtration module, membrane filter unit and system.The present invention is by providing a kind of multiple tube of novel structure, carry out after simple assembly with filtration membrane elements, the making of filtration module, membrane filter unit and membrane filtration system can be completed, eliminate various between multiple membrane modules or membrane component, complicated pipeline to connect and fixed, and do not limited by system size, the flexible, standardized production of modular is realized, so as to shortening the production cycle, reducing production cost.
The present invention is adopted the following technical scheme that：
First purpose of the present invention is to provide a kind of multiple tube, and multiple tube includes trocar sheath 1 and central canal 8, and trocar sheath 1 has overcoat tube cavity 1.2, and includes along the axially arranged central canal 8 of overcoat tube cavity 1.2；Ring cavity 1.4 in being formed between the inwall of the overcoat tube cavity 1.2 and the outer wall of central canal 8, central canal 8 is internally formed central lumen 8.3, and central lumen 8.3 is not mutually connected with interior ring cavity 1.4；The trocar sheath 1 is provided with side interface 1.1；The central canal 8 is provided with vertical three port 8.1 corresponding with the position of side interface 1.1；The side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal are coaxial spacing, and side interface 1.1 and the vertical combo of three port 8.1 form the lateral of coaxial tubular construction and be combined port, for connecting filtration membrane elements 2；And side interface 1.1 and the coaxitron of vertical three port 8.1 formation are the coaxitron without sandwich passage.
Further, support meanss are additionally provided between the central canal 8 and the trocar sheath 1, support meanss make central canal 8 be firmly mounted in trocar sheath 1.
Further, the support meanss include the slide rail 1.3 arranged on the inwall of overcoat tube cavity 1.2 and the guide rail 8.2 matched with slide rail arranged on the central canal 8, slide between slide rail 1.3 and guide rail 8.2 spacing；Or the support meanss include the side muscle 8.4 of the connection central canal 8 and the trocar sheath 1.
Used as central canal 8 and the assembly of trocar sheath 1, multiple tube can disposably be integrally molded；Can also split molding, central canal 8 and trocar sheath 1 are individually made respectively as prefabricated component, it is then secondary to be assembled together to form multiple tube.When multiple tube is using being disposably integrally molded, can be integrally formed using mold injection or casting technique.Now, support meanss can be the side muscle 8.4 of the connection central canal 8 and the trocar sheath 1 between central canal 8 and the trocar sheath 1, be also disposably integrally molded with multiple tube and make.
When multiple tube adopts split molding, trocar sheath 1 and central canal 8 are integrally formed using mold injection or casting technique, and central canal 8 is installed in trocar sheath 1 by way of secondary assembling.Support meanss can be between central canal 8 and the trocar sheath 1：The guide rail 8.2 matched with slide rail arranged on the slide rail 1.3 arranged on the inwall of overcoat tube cavity 1.2 of trocar sheath and the central canal 8, slide between slide rail 1.3 and guide rail 8.2 spacing, central canal 8 is installed in overcoat tube cavity 1.2 from the one end open of overcoat tube cavity 1.2 along slide rail 1.3（Also can be using structures such as sliding support, snap fit, screw threads）；Meanwhile, guide rail 8.2 plays a part of support central tube 8 so as in being firmly mounted to overcoat tube cavity 1.2, the stability of holding structure when filtration membrane elements are connected.
No matter which kind of molding mode multiple tube takes, and the coaxitron formed for convenience of the uniformity and convenience of Mold Making, side interface 1.1 and vertical three port 8.1 is the coaxitron without sandwich passage.
In lateral compound port, the side interface 1.1 of trocar sheath and the coaxially formed coaxitron of vertical three port 8.1 of central canal；And the side interface 1.1 of trocar sheath, used as the outer tube in coaxial tubular construction, inside is hollow-core construction；Vertical three port 8.1 of central canal, as the inner tube in coaxial tubular construction, outside the cavity of side interface 1.1 of trocar sheath, the side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal are on common axis direction, without lap, the side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal cannot form sandwich passage；This structure is referred to as the coaxitron without sandwich passage.
This coaxial tubular construction without sandwich passage is when multiple tube adopts split molding, when being easy to that support meanss make slip limit method between central canal 8 and the trocar sheath 1, under overcoat tube cavity 1.2 and the coaxial limit method of central lumen 8.3, when central canal 8 is inserted from the one end open of overcoat tube cavity 1.2, vertical three port 8.1 of central canal and trocar sheath 1 will not recurring structure interfere, make central canal 8 be slidably installed in outer cannula cavity 1.2.
In lateral compound port, laterally compound port with the coaxial tubular construction without sandwich passage is in coaxially connected filtration membrane elements 2, it is coaxially connected with vertical three port 8.1 by center-side axle 5 or other hollow pipes, vertical three port 8.1 obtains extending extension, vertical three port 8.1 becomes vertical three port 8.1 for extending, vertical three port 8.1 of extension enters the cavity of side interface 1.1 of trocar sheath, the outer wall of vertical three port 8.1 of extension and the cavity inner wall of side interface 1.1 of trocar sheath form sandwich passage, corresponding laterally compound port is changed into the three-way interface comprising two fluid passages, filtration membrane elements 2 are changed into the connection of filtration membrane elements 2 and the three-way interface of two fluid passage with the connection of lateral compound port；By the three-way interface of two fluid passage, lateral filtration membrane elements 2 are connected with the central lumen 8.3 in multiple tube with the correspondence of interior ring cavity 1.4.
Second object of the present invention is to provide a kind of pin-connected panel filtration module, including two strings multiple tube as above, and the filtration membrane elements 2 between two string multiple tubes, each described multiple tube connects filtration membrane elements 2 by laterally compound port, the filter membrane dielectric openings end face of the filtration membrane elements 2 is connected with interior ring cavity 1.4, and the centre bore 2.1 of filtration membrane elements 2 is connected with central canal 8.
The filtration film medium of filtration membrane elements 2 is preferably the membrane material of hollow-fibre membrane or equivalent.When the membrane material of hollow-fibre membrane or equivalent in filtration membrane elements 2 works, one end open forms filter membrane dielectric openings end face.
Further, the corresponding end for often going here and there multiple tube is provided with end socket 7, horizontal three port 7.1 and space 7.2 are provided with the end socket 7, the horizontal Jing of three port 7.1 conductings axle 9 is connected with the central canal 8 being connected and forms center tract 10, space 7.2 is connected with the interior ring cavity 1.4 for being connected and extends to form internal ring tract 11, both mutually do not connect for the center tract 10 and internal ring tract 11, used as two fluid supply pipelines.
Filtration membrane elements 2 are connected with multiple tube in pin-connected panel filtration module, and just like Fig. 4, shown in Fig. 5, top multiple tube concatenation, bottom multiple tube is concatenated preferred version；Multiple tube of often going here and there can include a multiple tube, it is also possible to including multiple multiple tubes.Between two string multiple tubes, each filtration membrane elements 2 is arranged on top multiple tube to the integral installation of filtration membrane elements 2, between the multiple tube of bottom multiple tube two.For each filtration membrane elements 2, the multiple tube being attached thereto connects filtration membrane elements 2 by laterally compound port, and the filter membrane dielectric openings end face of filtration membrane elements 2 is connected with interior ring cavity 1.4, and the centre bore 2.1 of filtration membrane elements 2 is connected with central canal 8.
To pin-connected panel filtration module, top and bottom multiple tube string two ends connect end socket 7, horizontal three port 7.1 and space 7.2 are provided with the end socket 7, the horizontal Jing of three port 7.1 conductings axle 9 is connected with the central canal 8 being connected and forms center tract 10, and space 7.2 is connected with the interior ring cavity 1.4 for being connected and extends and to form internal ring tract 11；When every string multiple tube includes a multiple tube, the horizontal Jing of three port 7.1 turns on the central canal 8 of axle 9 and the central canal 8 for being connected for corresponding multiple tube, and the interior ring cavity 1.4 that space 7.2 is connected is an interior ring cavity 1.4 of correspondence multiple tube；When every string multiple tube includes two or more multiple tubes, the horizontal Jing of three port 7.1 conducting axles 9 and the central canal 8 that the central canal 8 being connected is the multiple multiple tubes concatenated in multiple tube string, the interior ring cavity 1.4 that space 7.2 is connected is the interior ring cavity 1.4 of the multiple multiple tubes concatenated in multiple tube string；It is sequentially connected in series by head and the tail of the connection between end socket 7, and multiple multiple tubes, the central lumen 8.3 of multiple multiple tubes of concatenation expands to center tract 10, and the interior ring cavity 1.4 of multiple multiple tubes of concatenation expands to internal ring tract 11；At the top of pin-connected panel filtration module and bottom, both mutually do not connect for center tract 10 and internal ring tract 11, used as two fluid supply pipelines.
By multiple tube string one embodiment scheme such as Fig. 3 (a), the Fig. 3 (b) to be formed that be combined through series connection, Jing conductings axle 9 between the multiple tube of concatenation, O-ring seal 1.5 is connected with each other multiple tube；Conducting axle 9 is also used for the connection of end socket 7 and multiple tube.
Further, the filter membrane dielectric openings end face of the filtration membrane elements 2 is connected with internal ring tract 11, and the centre bore 2.1 of filtration membrane elements 2 is connected with center tract 10.
Further, described pin-connected panel filtration module also includes switching sleeve pipe 3, sleeve pipe nut 4, center-side axle 5, movable baffle ring 6；The filtration membrane elements 2 are tightly connected by transfer sleeve pipe 3, center-side axle 5 with multiple tube, and do spacing fixation using sleeve pipe nut 4 and movable baffle ring 6.Further, the center-side axle 5 is tightly connected with vertical three port 8.1 of central canal using bonding or hot melt form.
Further, laterally compound port correspondence one filtration membrane elements 2 of connection of each multiple tube, multiple filtration membrane elements 2 are connected by center tract 10, internal ring tract 11 in parallel form.
Third object of the present invention is to provide a kind of membrane filter unit, including the pin-connected panel filtration module of any one structure as described above, multiple pin-connected panel filtration modules are connected with each other before and after the end face direction of end socket 7, one membrane filter unit 12 of composition, after multiple tube, the connection of end socket 7 of the top and bottom of membrane filter unit 12 by any one structure as described above, center tract 10 and internal ring tract 11 are separately constituted as fluid supply pipeline, filtration membrane elements 2 play support positioning action between top and the multiple tube of bottom.
Fourth object of the present invention is to provide a kind of membrane filtration system, including membrane filter unit as above, and multiple membrane filter units 12 are arranged along the main pipeline 15 of membrane filtration system, and parallel connection forms membrane filtration system.
The invention has the advantages that：
（1）Connecting line it is integrated.The membrane filtration system of the present invention employs integrated pipeline and instead of traditional pipeline.The characteristics of due to filtration membrane elements structure, need two fluid supply pipelines of one-in-and-one-out.Traditional method is, with two single pipeline independent connection, to cause the space between pipeline to connect more complicated, is taken up room big, and the production of these pipelines is also inconvenient, it is difficult to standardization.Integrated pipeline is present invention employs, an interior conduit is imbedded in another Outer Tube, formation is in form a pipeline, substantially the tube-in-tube structure of two pipelines, makes the connection between pipeline become succinct, save space, while using standardization.Multiple tube becomes in the integrated pipeline of membrane filtration system, connects the connector of filtration membrane elements.
（2）The standardization of connecting line, modularity.The multiple tube of the present invention can form filtration module with quick-assembling；In multiple filtration membrane elements in parallel, standardization, modular connecting line replacement that traditional pipeline is formed by multiple tube, multiple tube is also in itself that modular unit construction is formed, so as to be conducive to modularity, standardized production, reduces cost.
（3）The standardization of filtration membrane systems, modularity.The present invention quickly and easily can connect to form membrane filter unit by the filtration module of pin-connected panel, and then the main pipeline using multiple membrane filter units along membrane filtration system is arranged, and parallel connection forms membrane filtration system.Whole membrane filtration system can be realized by standardization, modular unit splicing, eliminate various between multiple membrane modules or membrane component, complicated pipeline to connect and fixed, and do not limited by system size, system is facilitated to extend as needed, versatility and motility are taken into account, the flexible, standardized production of modular is realized, so as to shorten the production cycle, quality is improve, production cost is reduced；Meanwhile, standardization, the readily selected suitable connecting piece unit of modular membrane filtration system, the shape of assembly unit and mounting means form dense packing, improve the membrane module packed density of installing space, save installing space.
Description of the drawings
Fig. 1 is the structural representation and generalized section of the first form multiple tube of the invention；
Fig. 2 (a) is the structural representation of second form multiple tube of the invention；
Fig. 2 (b) is the partial cutaway schematic view of second form multiple tube of the invention；
Fig. 3 (a) is the decomposing schematic representation of multiple tube concatenation in one embodiment of the invention；
Fig. 3 (b) is the schematic diagram that multiple tube passes through the multiple tube string to be formed that is combined through series connection in Fig. 3 (a)；
Fig. 4 is the partial cutaway schematic view of the embodiment of pin-connected panel filtration module one of the present invention；
Fig. 5 is the close-up schematic view in A portions in Fig. 4；
Fig. 6 is the end enclosure structure schematic diagram in pin-connected panel filtration module of the present invention；
Fig. 7 is the structural representation of the membrane filter unit being made up of pin-connected panel filtration module of the present invention；
Fig. 8 is principle schematic of the pin-connected panel filtration module of the present invention using inner pressed filter membrane unit；
Fig. 9 is principle schematic of the pin-connected panel filtration module of the present invention using double water outlet end filtration module；
Figure 10 is principle schematic of the pin-connected panel filtration module of the present invention using external-compression type filter membrane unit；
Figure 11 is the structural representation of the membrane filtration system being made up of membrane filter unit of the present invention.
Shown in figure：1- trocar sheaths,1.1- side interface,1.2- overcoat tube cavities,1.3- slide rail,Ring cavity in 1.4-,1.5-O type sealing rings,2- filtration membrane elements,2.1- centre bore,2.2-O type sealing rings,3- switching sleeve pipes,3.1- connection shaft,3.2-O type sealing rings,3.3-O type sealing rings,4- sleeve pipe nuts,5- center-side axles,6- activity baffle rings,7- end sockets,Horizontal three ports of 7.1-,7.2- space,7.3-O type sealing rings,8- central canals,Vertical three ports of 8.1-,8.2- guide rail,8.3- central lumen,8.4- sides muscle,9- turns on axle,10- centers tract,11- internal ring tracts,12- membrane filter units,13- fluid end caps,14- fluid end caps,The main pipeline of 15- membrane filtration systems,16- multiple tubes.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that after the content of instruction of the present invention has been read, those skilled in the art can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims limited range.
Embodiment 1
Such as Fig. 1, shown in Fig. 2 (a), Fig. 2 (b), multiple tube described in the present embodiment includes trocar sheath 1 and central canal 8, and trocar sheath 1 has overcoat tube cavity 1.2, and includes along the axially arranged central canal 8 of overcoat tube cavity 1.2；Ring cavity 1.4 in being formed between the inwall of the overcoat tube cavity 1.2 and the outer wall of central canal 8, central canal 8 is internally formed central lumen 8.3, and central lumen 8.3 is not mutually connected with interior ring cavity 1.4；The trocar sheath 1 is provided with side interface 1.1；The central canal 8 is provided with vertical three port 8.1 corresponding with the position of side interface 1.1；The side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal are coaxial spacing, and side interface 1.1 and the vertical combo of three port 8.1 form the lateral of coaxial tubular construction and be combined port, for connecting filtration membrane elements 2；And side interface 1.1 and the coaxitron of vertical three port 8.1 formation are the coaxitron without sandwich passage.
Multiple tube for the combinative structure of double-layer tube wall connector, including main interface is laterally combined port, and two through channels being located between main interface；Laterally compound port is used to connect filtration membrane elements 2；
Multiple tube includes the trocar sheath 1 of complementary two parts, the inner tube 8 of a hollow-core construction for being located at internal layer and a hollow-core construction for being located at outer layer；The assembling of inner tube 8 of internal layer is combined in the trocar sheath 1 of outer layer；
Trocar sheath 1 includes the straight sections of tube cavity containing overcoat 1.2 and the side interface 1.1 for connecting hollow with straight sections；
Side interface 1.1 is stretched out by trocar sheath straight sections surface convex and hollow with overcoat tube cavity 1.2 is connected；Inner tube 8 includes the straight sections containing central lumen 8.3 and vertical three port 8.1 for connecting hollow with straight sections；Vertical three port 8.1 is stretched out by the straight sections surface convex of inner tube 8 and hollow with central lumen 8.3 is connected；The side interface 1.1 of trocar sheath 1 and vertical three port 8.1 of inner tube are used as the complementary two parts in lateral compound port；
In multiple tube, the straight sections of trocar sheath 1 and the straight sections of inner tube 8 coaxially realize axial limiting, are collectively forming the straight sections of multiple tube；Overcoat tube cavity 1.2 is coaxial with central lumen 8.3 spacing；The direction of the straight sections of trocar sheath 1 and the straight sections same axis of inner tube 8 is referred to as straight sections direction；Port combo positioned at the port of the straight sections of the trocar sheath 1 of the same side and the straight sections of inner tube 8 forms the main interface of the multiple tube of coaxial tubular construction, and connection is extended along straight sections direction for multiple tube.
Side interface 1.1 and corresponding vertical three port 8.1 are coaxially positioned, and common combo forms the laterally compound port of a coaxial tubular construction, the filtration membrane elements 2 lateral for being coaxially adapted to connection；
The lateral compound port coaxitron axis direction of composition is referred to as the direction of the lateral compound port；Preferably, the laterally compound port direction of multiple tube, vertical with the straight sections direction of multiple tube, is easy to realize closely putting side by side for the filtration membrane elements 2 of long column shape when connecting filtration membrane elements 2.
Two through channels being located between main interface of multiple tube are collectively referred to as compound tract；One of described compound tract is the through channel positioned at internal layer, is the central lumen 8.3 of the straight sections of inner tube 8, coaxial with overcoat tube cavity 1.2；
The two of the compound tract are the through channel of outer layer, and referred to as interior ring cavity 1.4 is generated using the sandwich passage between the inwall of overcoat tube cavity 1.2 and the outer wall of central canal 8；The compound tract is the Dual-fluid channel that straight sections direction extends in multiple tube.
Support meanss are additionally provided between the central canal 8 and the trocar sheath 1, support meanss make central canal 8 be firmly mounted in trocar sheath 1.
Such as Fig. 1, used as central canal 8 and the assembly of trocar sheath 1, multiple tube can disposably be integrally molded.When multiple tube is using being disposably integrally molded, can be integrally formed using mold injection or casting technique.Now, support meanss can be the side muscle 8.4 of the connection central canal 8 and the trocar sheath 1 between central canal 8 and the trocar sheath 1, be also disposably integrally molded with multiple tube and make.Multiple tube also becomes modular part, is conducive to modularity, standardized design and production.
Such as Fig. 2 (a), Fig. 2 (b), when multiple tube adopts split molding, trocar sheath 1 and central canal 8 are integrally formed in advance using mold injection or casting technique, and central canal 8 is installed in trocar sheath 1 by way of secondary assembling.Central canal 8 and trocar sheath 1 become modular part, and the multiple tube of final molding also becomes modular part, is conducive to modularity, standardized design and production.Support meanss can be between central canal 8 and the trocar sheath 1：The guide rail 8.2 matched with slide rail arranged on the slide rail 1.3 arranged on the inwall of overcoat tube cavity 1.2 of trocar sheath and the central canal 8, slide between slide rail 1.3 and guide rail 8.2 spacing, central canal 8 is installed in overcoat tube cavity 1.2 from the one end open of overcoat tube cavity 1.2 along slide rail 1.3（Also can be using structures such as sliding support, snap fit, screw threads）；Meanwhile, guide rail 8.2 plays a part of support central tube 8 so as in being firmly mounted to overcoat tube cavity 1.2, the stability of holding structure when filtration membrane elements are connected.
No matter which kind of molding mode multiple tube takes, and the coaxitron formed for convenience of the uniformity and convenience of Mold Making, side interface 1.1 and vertical three port 8.1 is the coaxitron without sandwich passage.Such as Fig. 1, shown in Fig. 2 (a), Fig. 2 (b), the side interface 1.1 of trocar sheath and the vertical combo of three port 8.1 of corresponding central canal form a laterally compound port；In lateral compound port, the side interface 1.1 of trocar sheath and the coaxially formed coaxitron of vertical three port 8.1 of central canal；And the side interface 1.1 of trocar sheath, used as the outer tube in coaxial tubular construction, inside is hollow-core construction；Vertical three port 8.1 of central canal, as the inner tube in coaxial tubular construction, outside the cavity of side interface 1.1 of trocar sheath, the side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal are on common axis direction, without lap, the side interface 1.1 of trocar sheath and vertical three port 8.1 of central canal cannot form sandwich passage；This structure is referred to as the coaxitron without sandwich passage.
This coaxial tubular construction without sandwich passage is when multiple tube adopts split molding, when being easy to that support meanss make slip limit method between central canal 8 and the trocar sheath 1, under overcoat tube cavity 1.2 and the coaxial limit method of central lumen 8.3, when central canal 8 is inserted from the one end open of overcoat tube cavity 1.2, vertical three port 8.1 of central canal and trocar sheath 1 will not recurring structure interfere, make central canal 8 be slidably installed in outer cannula cavity 1.2.
In lateral compound port, laterally compound port with the coaxial tubular construction without sandwich passage is in coaxially connected filtration membrane elements 2, it is coaxially connected with vertical three port 8.1 by center-side axle 5 or other hollow pipes, vertical three port 8.1 obtains extending extension, vertical three port 8.1 becomes vertical three port 8.1 for extending, vertical three port 8.1 of extension enters the cavity of side interface 1.1 of trocar sheath, the outer wall of vertical three port 8.1 of extension and the cavity inner wall of side interface 1.1 of trocar sheath form sandwich passage, corresponding laterally compound port is changed into the three-way interface comprising two fluid passages, filtration membrane elements 2 are changed into the connection of filtration membrane elements 2 and the three-way interface of two fluid passage with the connection of lateral compound port；By the three-way interface of two fluid passage, lateral filtration membrane elements 2 are connected with the central lumen 8.3 in multiple tube with the correspondence of interior ring cavity 1.4.
Such as Fig. 3 (a), Fig. 3 (b), shown in Fig. 4 to Fig. 6, based on the structure of above-mentioned multiple tube, the present embodiment provides a kind of pin-connected panel filtration module, including the multiple tube of two strings any one structure as described above（A string of the top of filtration membrane elements 2, a string of of bottom multiple tube）, the filtration membrane elements 2 between two string multiple tubes（Built-in filter medium is hollow-fibre membrane）, switching sleeve pipe 3, sleeve pipe nut 4, center-side axle 5, movable baffle ring 6 and end socket 7, each multiple tube connects filtration membrane elements 2, the filtration film medium of the filtration membrane elements 2 by laterally compound port（Hollow-fibre membrane）Open end is connected with interior ring cavity 1.4, and the centre bore 2.1 of filtration membrane elements 2 is connected with central canal 8.
The filtration film medium of filtration membrane elements 2 is preferably the membrane material of hollow-fibre membrane or equivalent.When the membrane material of hollow-fibre membrane or equivalent in filtration membrane elements 2 works, one end open forms filter membrane dielectric openings end face.
Wherein：
The corresponding end of the multiple tube is provided with end socket 7.Such as Fig. 3 (a), Fig. 3 (b), Fig. 4, top and the multiple tube of bottom four as one man, are from beginning to end combined through series connection formation multiple tube string together by respective straight sections direction, then are provided with end socket 7 at the two ends of multiple tube string（Threeway end socket）；Jing conductings axle 9 between the multiple tube of concatenation, O-ring seal 1.5 is connected with each other；Conducting axle 9 is also used for the connection of end socket 7 and multiple tube.
Horizontal three port 7.1 and space 7.2 are provided with the end socket 7, the horizontal Jing of three port 7.1 conductings axle 9 is connected with four central canals 8 being connected and forms center tract 10, space 7.2 is connected with the four interior ring cavities 1.4 for being connected and extends to form internal ring tract 11, both mutually do not connect for the center tract 10 and internal ring tract 11, used as two fluid supply pipelines.The multiple tube can pass through the removable assembling of O-ring seal 7.3 with the type of attachment of end socket 7, it is also possible to by the connection of the non-disconnectable formula such as bonding or sweat soldering.
The filter membrane dielectric openings end face of the filtration membrane elements 2 is connected with internal ring tract 11, and the centre bore 2.1 of filtration membrane elements 2 is connected with center tract 10.The filtration membrane elements 2 are provided with centre bore 2.1, O-ring seal 2.2, and in the switching sleeve pipe 3 axle 3.1 and O-ring seal 3.2, O-ring seal 3.3 are communicated with；Filtration membrane elements 2 are tightly connected by transfer sleeve pipe 3, center-side axle 5 with multiple tube, and do spacing fixation using sleeve pipe nut 4 and movable baffle ring 6.Center-side axle 5 can be tightly connected with vertical three port 8.1 of central canal 8 using bonding or hot melt form.
Laterally compound port correspondence one filtration membrane elements 2 of connection of each multiple tube, multiple filtration membrane elements 2 are connected by center tract 10, internal ring tract 11 in parallel form.
In pin-connected panel filtration module, the laterally compound port direction of multiple tube is parallel and towards consistent, vertical with the straight sections direction of multiple tube, the pin-connected panel filtration module including Y-direction and Dual-fluid channel from X to two directions；Coaxially Y-direction connects the Dual-fluid channel that multiple tube forms Y-direction to the filtration membrane elements 2；
The composite channel of described multiple tube by the connection of the main interface of multiple tube expand to X to Dual-fluid channel, X to Dual-fluid channel including center tract 10, internal ring tract 11.
As shown in fig. 7, being based on above-mentioned pin-connected panel filtration module, the present embodiment provides a kind of membrane filter unit 12, including multiple pin-connected panel filtration modules as above（At least two）, multiple pin-connected panel filtration modules（The present embodiment includes 10）It is connected with each other before and after the end face direction of end socket 7, one membrane filter unit 12 of composition, after multiple tube, the connection of end socket 7 of the top and bottom of membrane filter unit 12 by any one structure as described above, center tract 10 and internal ring tract 11 are separately constituted as fluid supply pipeline, filtration membrane elements 2 play support positioning action between top and the multiple tube of bottom.The side of the side seal head 7 being connected with each other in membrane filter unit 12 is furnished with fluid end cap 13, fluid end cap 14, and wherein fluid end cap 13 is connected with space 7.2, and fluid end cap 14 is connected with horizontal three port 7.1.
In membrane filter unit 12, the end face direction connection of end socket 7 forms the Dual-fluid channel of Z-direction, then coordinates the Dual-fluid channel of each pin-connected panel filtration module Y-direction and X to two directions, forms the three-dimensional connection of filtration membrane elements 2.The filtration membrane elements 2 of long column shape are closely put side by side, and dense packing forms membrane filter unit 12.
In the embodiment shown in fig. 8, the filtration membrane elements 2 are inner pressed filter membrane unit, former fluid enters membrane filter unit 12 by bottom flow end cap 13, produce centre bore 2.1 of the water through being connected with center tract 10 and flow out Top fluidic end cap 14, sewage flows out Top fluidic end cap 13 through internal ring tract 11.
In embodiment as shown in Figure 9, filtration membrane elements 2 are a kind of filtration modules of double water outlet end, former fluid is entered in membrane filter unit 12 by the bottom flow end cap 13 connected with bottom internal ring tract 11, and sewage enters top internal ring tract 11, flows out from Top fluidic end cap 13；Top and bottom flow end cap 14 that centre bore 2.1 of the water through being connected with center tract 10 flows out respectively membrane filter unit 12 are produced, the effect of double water outlet end is formed, film silk utilization rate, reduces cost can be effectively improved.
In another kind of embodiment as shown in Figure 10, filtration membrane elements 2 are external-compression type filter membrane units, former fluid enters membrane filter unit 12 by the bottom flow end cap 13 connected with bottom internal ring tract 11, gas enters membrane filter unit 12 by the bottom flow end cap 14 connected with bottom centre tract 10, produce water and Top fluidic end cap 13 is flowed out by top internal ring tract 11, sewage flows out Top fluidic end cap 14 with the fluid-mixing of gas by top center tract 10.Especially, it is furnished with check valve on vertical three port 8.1 of bottom centre's pipe 8, when aeration is needed, it is allowed to which gas is entered in filtration module by check valve；Aeration stop when, check valve prevent filtration module in fluid reflux into central canal 8, to reduce former fluid in debris blocking aeration pipeline risk.
Further, as shown in figure 11, can be by multiple membrane filter units 12（The present embodiment includes 12）Main pipeline 15 along membrane filtration system is arranged, and parallel connection forms membrane filtration system.
Claims (10)
1. a kind of multiple tube, it is characterised in that：The multiple tube includes trocar sheath（1）And central canal（8）, trocar sheath（1）With overcoat tube cavity（1.2）, and include along overcoat tube cavity（1.2）Axially arranged central canal（8）；The overcoat tube cavity（1.2）Inwall and central canal（8）Outer wall between formed in ring cavity（1.4）, central canal（8）It is internally formed central lumen（8.3）, central lumen（8.3）With interior ring cavity（1.4）Mutually do not connect；The trocar sheath（1）It is provided with side interface（1.1）；The central canal（8）It is provided with and side interface（1.1）Corresponding vertical three port in position（8.1）；The side interface of trocar sheath（1.1）With vertical three port of central canal（8.1）Coaxial spacing, side interface（1.1）With vertical three port（8.1）Combo forms the laterally compound port of coaxial tubular construction, for connecting filtration membrane elements（2）；And side interface（1.1）With vertical three port（8.1）The coaxitron of formation is the coaxitron without sandwich passage.
2. multiple tube as claimed in claim 1, it is characterised in that：The central canal（8）With the trocar sheath（1）Between be additionally provided with support meanss, support meanss make central canal（8）It is firmly mounted to trocar sheath（1）In.
3. multiple tube as claimed in claim 2, it is characterised in that：The support meanss include overcoat tube cavity（1.2）The slide rail arranged on inwall（1.3）With the central canal（8）The guide rail matched with slide rail of upper setting（8.2）, slide rail（1.3）And guide rail（8.2）Between slide it is spacing；Or the support meanss include the connection central canal（8）With the trocar sheath（1）Side muscle（8.4）.
4. a kind of pin-connected panel filtration module, it is characterised in that：Described pin-connected panel filtration module includes multiple tube of two strings as described in arbitrary claim in claims 1 to 3, and the filtration membrane elements between two string multiple tubes（2）, each described multiple tube is by laterally compound port connection filtration membrane elements（2）, the filtration membrane elements（2）Filter membrane dielectric openings end face and interior ring cavity（1.4）Connection, filtration membrane elements（2）Centre bore（2.1）With central canal（8）Connection.
5. pin-connected panel filtration module as claimed in claim 4, it is characterised in that：The corresponding end for often going here and there multiple tube is provided with end socket（7）, the end socket（7）Inside it is provided with horizontal three port（7.1）And space（7.2）, horizontal three port（7.1）Jing turns on axle（9）With the central canal being connected（8）Connect and form center tract（10）, space（7.2）With the interior ring cavity for being connected（1.4）Connect and extend and form internal ring tract（11）, the center tract（10）With internal ring tract（11）Both mutually do not connect, used as two fluid supply pipelines.
6. pin-connected panel filtration module as claimed in claim 5, it is characterised in that：The filtration membrane elements（2）Filter membrane dielectric openings end face and internal ring tract（11）Connection, filtration membrane elements（2）Centre bore（2.1）With center tract（10）Connection.
7. the pin-connected panel filtration module as described in any one of claim 4 to 6, it is characterised in that：Described pin-connected panel filtration module also includes switching sleeve pipe（3）, sleeve pipe nut（4）, center-side axle（5）, movable baffle ring（6）；The filtration membrane elements（2）By sleeve pipe of transferring（3）, center-side axle（5）It is tightly connected with multiple tube, and using sleeve pipe nut（4）With movable baffle ring（6）Do spacing fixation.
8. the pin-connected panel filtration module as described in claim 5 or 6, it is characterised in that：Laterally compound port correspondence one filtration membrane elements of connection of each multiple tube（2）, multiple filtration membrane elements（2）By center tract（10）, internal ring tract（11）In parallel form connection.
9. a kind of membrane filter unit, it is characterised in that：Described membrane filter unit includes the pin-connected panel filtration module as described in arbitrary claim in claim 4 to 8, and multiple pin-connected panel filtration modules are along end socket（7）End face direction before and after be connected with each other, constitute a membrane filter unit（12）, in membrane filter unit（12）Top and bottom by the multiple tube described in any one of claim 1-3, end socket（7）After connection, center tract is separately constituted（10）With internal ring tract（11）As fluid supply pipeline, filtration membrane elements（2）Support positioning action is played between top and the multiple tube of bottom.
10. a kind of membrane filtration system, it is characterised in that：Described membrane filtration system includes membrane filter unit as claimed in claim 9, multiple membrane filter units（12）Along the main pipeline of membrane filtration system（15）Arrangement, parallel connection forms membrane filtration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114664.XA CN106669422A (en) | 2016-03-01 | 2016-03-01 | Composite tube, assembling type filtering membrane set, membrane filtering unit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114664.XA CN106669422A (en) | 2016-03-01 | 2016-03-01 | Composite tube, assembling type filtering membrane set, membrane filtering unit and system |
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| Publication Number | Publication Date |
|---|---|
| CN106669422A true CN106669422A (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610114664.XA Pending CN106669422A (en) | 2016-03-01 | 2016-03-01 | Composite tube, assembling type filtering membrane set, membrane filtering unit and system |
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| CN (1) | CN106669422A (en) |
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