CN104923081A - Rotating disc type dynamic membrane separating assembly - Google Patents
Rotating disc type dynamic membrane separating assembly Download PDFInfo
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- CN104923081A CN104923081A CN201510380578.9A CN201510380578A CN104923081A CN 104923081 A CN104923081 A CN 104923081A CN 201510380578 A CN201510380578 A CN 201510380578A CN 104923081 A CN104923081 A CN 104923081A
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Abstract
The invention relates to the technical field of filtering separation of membranes, in particular to a rotating disc type dynamic membrane separating assembly. The rotating disc type dynamic membrane separating assembly comprises a machine frame, an outer cylinder and a motor, wherein the outer cylinder is vertically arranged on a mounting plate, the lower port of the outer cylinder is connected with the mounting plate through sealing components, and a separation barrel is arranged in the outer cylinder; a dynamic sealing bearing is arranged on the mounting plate, a hollow shaft is arranged on the dynamic sealing bearing in a rotating manner, and a plurality of filtering discs are arranged in the separation barrel; a belt wheel is arranged on the hollow shaft under the dynamic sealing bearing, and the motor is arranged on the machine frame on one side of the outer cylinder and connected with the belt wheel in a transmission manner. According to the rotating disc type dynamic membrane separating assembly disclosed by the invention, organic filtering materials in various flux specifications can be mounted on the filtering discs, the filtering discs in flat design can improve the filling densities of the organic filtering materials, and hollow flow baffles in fluid flow passage design are arranged among the filtering discs, so that a good hydraulic shear effect and rotary currents are formed on the surfaces of the membranes of the filtering discs by the flow baffles, the membrane pollution can be reduced, the generation of the concentration polarization can be alleviated, the decay speed of membrane flux is lowered, and the cleaning and maintaining period is shortened.
Description
Technical field
The present invention relates to membrane filtration separation technology field, particularly a kind of disc type Dynamic membrane-separation assembly.
Background technology
The core of membrane separation technique is exactly fitted together by certain mode by various filter membrane, is carried out filtering and the device be separated by composition contained in material in the hope of realizing.Membrane separation device generally comprises membrane support, diffusion barrier, by the connector that membrane support assembles with certain rule, to distribute relevant flow channel and various seal and interface etc. to fluid mechanics in membrane separation assemblies.Membrane separation device, in development and Design process, needs to consider several basic demand: even fluid distribution is without dead angle; There is good mechanical stability, chemical stability and heat endurance; Loading density is large, low cost of manufacture, be easy to cleaning, the pressure loss is little.In addition, when designing the structure of membrane module, also must consider to transmit resistance factor, should note transmitting the degree of resistance particularly concentration polarization and the pressure loss and fouling membrane.At present, the implement device of membrane separation technique mainly contains following several form:
One, tubular membrane component
Tubular membrane is not self-supporting.This film is fixed in the stainless steel of a porous, pottery or plastic tube, and the usual 6 ~ 24mm of pipe diameter, in each membrane module, film pipe number is generally 4 ~ 18, is certainly also not limited to this number.Raw material is generally flow through film tube hub, and penetrant flows into membrane module shell by porous tubular support.The loading density of this tubular film is very low.A kind of specific type of ceramic film component is honeycomb, has several holes, cover the very thin gama-alumina of one deck or zirconia (ZrO2) cortex by sol-gel process on the inner surface of these pipes in pottery " block ".The major advantage of tubular membrane component effectively can control concentration polarization, and flow regime is good, can regulate the flow velocity of feed liquid on a large scale; Film easily cleans after generating dirt; The not high and feed liquid that can process containing suspended solid to the pre-processing requirements of feed liquid.Its shortcoming is that investment and operating cost are higher; The area of unit volume inner membrance is lower.
Two, hollow fiber film assembly
Hollow fiber film assembly succeed in developing two key technologies: one be make can long-term pressure doughnut and realize suitability for industrialized production; Two is to make water Uniform Flow between fiber.Its feature is that assembly can be accomplished very miniaturized, due to without supporter, can fill hundreds of thousands to up to a million doughnuts in assembly, so there is high film loading density; But hollow fiber film assembly is large through the pressure loss of water side, and the water through film is drawn by the centre of superfine hollow-fibre membrane, and the pressure loss can reach several atmospheric pressure; Fouling boundary layer removal is more difficult can only be adopted Chemical cleaning and can not carry out mechanical cleaning; Hollow-fibre membrane is once damage and cannot change; Necessary strict pretreatment is required to feeding liquid.
Three, plate and frame module
The Flat Membrane of plate and frame module configuration and use for laboratory is closest, and in all plate and frame module structures, basic parts are: the square position of direct fluid effect is played on the square position of Flat Membrane, support membrane and charging limit.By these parts by rights combination stacked together, form plate and frame module.An outstanding advantages of plate and frame module is that the penetrant between every two panels film is all extracted separately, therefore, can eliminate fault in operation, and whole membrane module need not be made to shut down by closing each membrane module.Shortcoming is in plate and frame module, need the number of indivedual sealing too many, and internal pressure loss also relatively high (depending on the situation of fluid turnover flowing) in addition.
Four, Spiral wound membrane module
The most special in current membrane separation technique in Spiral wound membrane module is also most important type.First it be for reverse osmosis process exploitation but be also used to ultrafiltration and gas separation process at present.In order to the yield making device reach higher, usually need multiple element (6 can be reached) to be arranged in a pressure casing.The feature of spiral membrane module is: structure is simple, cheap, loading density is relatively high; Owing to there being charging demarcation strip, material exchanges respond well; The replacing of low-power membrane and the investment of system lower.Weak point is: permeate side fluid flow path is longer is difficult to cleaning, and film must be to weld with cohesible, strict to the pre-processing requirements of feed liquid.
The situation of fouling membrane and concentration polarization all can be there is to some extent in above-mentioned several membrane separation assemblies in running, certain requirement is had to input concentration, the change of input concentration is larger on film separation system impact, certain requirement is had at the flow velocity on film surface to feed liquid, feed liquid produces good hydraulic shear effect to reduce the generation of fouling membrane and concentration polarization in the quick flowing on film surface, but feed velocity is too fast can produce higher axial pressure gradient, cause filter pressure (TMP) skewness along face, thus affect permeation flux and the mass transport process of film, and high speed slipstream needs higher reflux ratio to realize, and the too high energy consumption of feed pump that must cause of reflux ratio is higher, and material heating is serious, therefore, how to alleviate fouling membrane, delay the decay of membrane flux, make film separation system can carry out separation continuously and extend the cleaning frequency, reducing UF membrane operational heat amount and observable index, is that membrane separation technique develops three subject matters faced.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, provide one effectively can alleviate filter membrane and pollute, delay the decline of membrane flux, can be separated without the need to cleaning for a long time, the disc type Dynamic membrane-separation assembly that heating less, energy consumption is lower.
For achieving the above object, the present invention is by the following technical solutions:
A kind of disc type Dynamic membrane-separation assembly of the present invention, comprise frame, urceolus and motor, the upper surface of described frame is provided with installing plate, and urceolus is vertically located on installing plate and urceolus lower port is connected by seal with installing plate, and urceolus upper port is provided with seal cover board; Separating barrel is provided with in described urceolus, the lower port of separating barrel is connected by seal with installing plate, the installing plate of described separating barrel central projection place is provided with movable sealing bearing, movable sealing bearing is provided with quill shaft rotationally, the top of quill shaft is arranged in separating barrel, be provided with some filtering tables in separating barrel, some filtering tables vertically equi-spaced apart are located on quill shaft; Quill shaft below described movable sealing bearing is provided with belt pulley, and the frame that urceolus side is located at by motor is connected with pulley drive; Described installing plate is provided with the feed pipe be communicated with separating barrel, and seal cover board is provided with discharge nozzle, and the lower port of quill shaft is provided with swivel joint.
Further, described filtering table is the fusiformis vibrational power flow of flat hollow, and the center of filtering table has installing hole, installing hole be sleeved on quill shaft with its unitary rotation, the organic filter material of lumen loading of filtering table.
Further, quill shaft in described separating barrel is provided with some locating rings, some locating rings are all relatively arranged between two in groups, and often organize locating ring and be located on the upper and lower end face of corresponding filtering table respectively, often organize locating ring and superpose successively to be connected with quill shaft some filtering table equi-spaced apart are arranged.
Further, be provided with some stream baffle plates in described separating barrel, some stream baffle plates respectively corresponding interval are located between wantonly one or two adjacent filtering table.
Further, described stream baffle plate is circular setting, and the stream outer rim of baffle plate is fixedly connected with the inwall of separating barrel, and the diameter of bore of stream baffle plate is greater than the external profile diameter of locating ring.
Further, described stream baffle plate comprises the central ring and retainer ring that arrange with one heart, is connected with some drainage plates between central ring and retainer ring.
Further, the curved setting of described drainage plate, and some drainage plates are evenly distributed in the circumference of central ring and retainer ring, are that the drainage plate bending direction of starting point is contrary with the direction of rotation of filtering table with central ring.
Further, described separating barrel comprises some columns, some columns are evenly distributed on circumferentially same centered by quill shaft, and the lower end of some columns is fixedly connected with installing plate, and some columns are arranged in the corresponding fixing hole on some stream baffle plates of superposing successively respectively.
Further, seal is equipped with between described wantonly one or two adjacent retainer ring.
Beneficial effect of the present invention is: organic filter material filtering table of the present invention can being installed various flux specification, the filtering table of flat design can improve organic filter material loading density, quill shaft installed multiple filtration dish and rotate with certain speed, the hollow out stream baffle plate by fluid channel design is provided with between filtering table, separation of material flows through the fluid passage between filter disc, stream baffle plate makes material form stronger hydraulic shear effect and rotating flow on the film surface of filtering table, fouling membrane and the generation alleviating concentration polarization can be reduced, delay the rate of decay of membrane flux, extend the clean and maintenance cycle, reduce the requirement to material concentration in separation process.
Accompanying drawing explanation
Fig. 1 is overall cross-sectional view of the present invention;
Fig. 2 is the A place partial enlargement structural representation of Fig. 1;
Fig. 3 is stream baffle arrangement schematic diagram of the present invention;
Fig. 4 is filtering table cross-sectional view of the present invention.
In figure:
1, frame; 2, urceolus; 3, motor; 4, separating barrel;
5, motor; 11, installing plate; 12, movable sealing bearing; 13, quill shaft;
14, belt pulley; 15, feed pipe; 16, swivel joint; 21, seal cover board;
22, discharge nozzle; 31, locating ring; 32, installing hole; 33, organic filter material;
41, baffle plate is flowed; 42, column; 43, central ring; 44, retainer ring;
45, drainage plate; 46, fixing hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of disc type Dynamic membrane-separation assembly of the present invention, comprise frame 1, urceolus 2 and motor 5, the upper surface of described frame 1 is provided with installing plate 11, urceolus 2 is vertically located on installing plate 11 and urceolus 2 lower port is connected by seal with installing plate 11, and urceolus 2 upper port is provided with seal cover board 21, separating barrel 4 is provided with in described urceolus 2, the lower port of separating barrel 4 is connected by seal with installing plate 11, the installing plate 11 of described separating barrel 4 central projection place is provided with movable sealing bearing 12, movable sealing bearing 12 is provided with quill shaft 13 rotationally, the top of quill shaft 13 is arranged in separating barrel 4, be provided with some filtering tables 3 in separating barrel 4, some filtering tables 3 vertically equi-spaced apart are located on quill shaft 13, be provided with some stream baffle plates 41 in described separating barrel 4, some stream baffle plates 41 respectively corresponding interval are located between wantonly one or two adjacent filtering table 3, quill shaft 13 below described movable sealing bearing 12 is provided with belt pulley 14, and the frame 1 that urceolus 2 side is located at by motor 5 is in transmission connection with belt pulley 14, described installing plate 11 is provided with the feed pipe 15 be communicated with separating barrel 4, and seal cover board 21 is provided with discharge nozzle 22, and the lower port of quill shaft 13 is provided with swivel joint 16, above-mentioned parts are agent structure of the present invention, filtering table 3 can be installed the rule material of all size, motor 5 drives quill shaft 13 rotation that filtering table 3 is rotated between the stream baffle plate 41 of separating barrel 4, material enters separating barrel 4 by supercharging equipment from feed pipe 15, discharge from discharge nozzle 22, its filtration and infiltration liquid is discharged from swivel joint 16 by quill shaft 13, the fluid passage of material between filtering table 3 and stream baffle plate 41, relative rotation between filtering table 3 with stream baffle plate 41 improves the speed difference between filter membrane and material, stronger hydraulic shear effect and rotating flow is produced on film surface, upgrade and limit the growth of film surface filter cake, reduce fouling membrane and the generation alleviating concentration polarization, and then delay the decay of membrane flux, improve the cleaning frequency of separation assembly.
The fusiformis vibrational power flow of described filtering table 3 in flat hollow, and the center of filtering table 3 has installing hole 32, installing hole 32 be sleeved on quill shaft 13 with its unitary rotation, the organic filter material 33 of lumen loading of filtering table 3, the filtering table 3 of flat hollow can improve the loading density of organic filter material 33, thus strengthen the filter efficiency of organic filter material 33, delay the decay of membrane flux.
Quill shaft 13 in described separating barrel 4 is provided with some locating rings 31, some locating rings 31 are all relatively arranged between two in groups, and often organize locating ring 31 and be located on the upper and lower end face of corresponding filtering table 3 respectively, often organize locating ring 31 and superpose successively to be connected with quill shaft 13 some filtering table 3 equi-spaced apart are arranged; Make filtering table 3 be fixed on quill shaft 13 by gripping of locating ring 31, filtering table 3 can be removed easily and carry out cleaning and changing.
Described stream baffle plate 41 is in circular setting, and the outer rim of stream baffle plate 41 is fixedly connected with the inwall of separating barrel 4, and the diameter of bore of stream baffle plate 41 is greater than the external profile diameter of locating ring 31.
Described stream baffle plate 41 comprises the central ring 43 and retainer ring 44 that arrange with one heart, some drainage plates 45 are connected with between central ring 43 and retainer ring 44, some stream baffle plates 41 are stacked in barreled structure, its retainer ring 44 forms the bucket wall of separating barrel 4, some filtering table 3 intervals arrange by central ring 43 and drainage plate 45, filtering table 3 rotates and forms current difference with material, stream baffle plate 41 forms rotating flow by drainage plate 45 directing material, thus make the filter cake of the filter membrane surface on filtering table 3 be upgraded timely and limit, decelerating membrane pollution and the generation alleviating concentration polarization.
The curved setting of described drainage plate 45, and some drainage plates 45 are evenly distributed in the circumference of central ring 43 and retainer ring 44, drainage plate 45 bending direction being starting point with central ring 43 is contrary with the direction of rotation of filtering table 3.
Described separating barrel 4 comprises some columns 42, some columns 42 are evenly distributed on centered by quill shaft 13 circumferentially same, and the lower end of some columns 42 is fixedly connected with installing plate 11, some columns 42 to be arranged in the corresponding fixing hole on some stream baffle plates 41 of superposing successively 46 respectively, are equipped with seal between described wantonly one or two adjacent retainer ring 44.
Said structure is disc type Dynamic membrane-separation assembly preferred embodiment of the present invention, and carrying out isolated by filtration operation according to above-mentioned model, to obtain result of the test as follows:
Disc type Dynamic membrane-separation assembly has produced two cover model machines.Two cover experimental machine in following examples have all installed same filter membrane.Two cover model machines carry out testing investigating the reliability of sealing when model machine runs and the stability of rotation and the uniformity of strainability simultaneously.
Embodiment one:
As shown in accompanying drawing one, disc type Dynamic membrane-separation assembly of the present invention comprises the compositions such as frame, filtering table, rotating hollow shaft, motor, bearing block, motor bedplate, rotating flow baffle plate, dynamic sealing device, urceolus, cover plate, swivel joint.Filtering table is arranged in a closed cylindrical shell, the cylindrical shell closed there are a charging aperture (material) and a discharging opening (concentrate), filtering table installs 0.08 μm of filter membrane, rotating hollow shaft is installed 5 dish filtering tables and rotates with certain speed, penetrating fluid is discharged through swivel joint by rotating hollow shaft.Material is commercially available soybean.Soybeans soaking was pulverized by the special soy bean milk making machine in eating house after 17 hours, and obtained filter stock after 100 order screen packs (soy bean milk making machine carries) filter.Containing soybean starch, fiber, grease, insoluble protein etc. in the raw material obtained after filtration.Without pre-filtering.After 5 minutes, stable operation is at Q=X L/ ㎡ * h.In nearly 7 hours membrane separating process, permeate flow remains near Q=X L/ ㎡ * h.Penetrating fluid is with light yellow but Clear & Transparent.Pressure in experiment is provided by centrifugal pump, and Matter Transfer refluxes.Material maximum temperature rises 3.5 DEG C.Experiment end of a period is because centrifugal pump is difficult to promote material carry out circulating reflux.Experiment end of a period concentration is 15%.The data indifference that two cover model machines are measured.
Embodiment two:
The structure of disc type Dynamic membrane-separation assembly is identical with embodiment 1, and filtering table installs 0.1 μm of microfiltration membranes.Material is certain jar-sealed wine sole mud, and solid content and viscosity are all larger.Penetrating fluid is clear, meets the requirement of owner to finished wine.Without pre-filtering.In nearly 7 hours membrane separating process, permeate flow remains near Q=X L/ ㎡ * h.Pressure in experiment provides Matter Transfer to reflux by centrifugal pump.Experiment end of a period is because centrifugal pump is difficult to promote material carry out circulating reflux.Because experiment condition limited experimentation end of a period concentration is not measured.Material maximum temperature rises 3 DEG C.The data indifference that two cover model machines are measured.
Embodiment three:
The structure of disc type Dynamic membrane-separation assembly is identical with embodiment 1, and filtering table installs 0.1 μm of microfiltration membranes.Material is river (river extracting directly is from certain river).0.1 μm of microfiltration membranes is directly filtered.Penetrating fluid is very clear, and centrifugal pump water inlet arranges a bamboo basket and stops large particle, without flocculant.In nearly 6 hours membrane separating process, permeate flow remains near Q=X L/ ㎡ * h.Pressure in experiment is provided by centrifugal pump.Material is without circulating reflux, and temperature of charge is unchanged.Microfiltration membranes retains dense water and directly discharges.This experiment only uses a set of model machine.
Test us by this can obtain drawing a conclusion:
1. above embodiment description of test disc type Dynamic membrane-separation assembly obviously can reduce the occurrence degree of fouling membrane and concentration polarization.Disc type Dynamic membrane-separation assembly obviously can postpone the time between secondary Chemical cleaning;
2. above three embodiments experiment end before once by pressure increase to 3kg/cm
2time is 5 minutes, and urceolus does not leak, and the permeate flow of material changes but definition does not change.The sealing rotating through filter disc in this description of test disc type Dynamic membrane-separation assembly and the Design and manufacture of rotating hollow shaft dynamic sealing device are suitably with reliably;
3. the concentration of the experiment of embodiment one at the end material concentrate is 15%.Starch, fibre and soya, grease are all in liquid after crushed for soybean, and owing to not having pre-filtering so the initial concentration of this experiment material is higher, therefore initial flow suppression ratio is more, has the situation that temperature rises.But this description of test disc type Dynamic membrane-separation assembly can acquire a certain degree to the concentrated of material.Material cycles of concentration depending on material characteristic, observe in an experiment simultaneously the solid content of material higher time be useful to UF membrane;
4. the experiment purpose of embodiment one investigates the application of this film separation system in vegetation water is extracted.The organic film installing different size can be applied in the extraction of traditional Chinese medicine extyaction and vegetable protein and concentrate;
5. the experiment purpose of embodiment two investigates the application of this film separation system in plant alcohol extracting.The organic film installing different size can active ingredient in effectively catching plant and concentrating;
6. the experiment purpose of embodiment three investigates the application of this film separation system in the pre-filtering of the micro-pollution of drinking water, Emergency water supply and desalinization;
7. the requirement of disc type Dynamic membrane-separation assembly to material feeding concentration is lower.Can as the prefilter of ultrafiltration, nanofiltration and counter-infiltration when one installs microfiltration membranes on this membrane module, the solid in concentrate then can be considered to remove it with centrifuge or additive method.It two can as nanofiltration and the higher prefilter of counter-infiltration precision when installing the milipore filter of all size on this membrane module, retains and large molecule solute in concentrated material simultaneously.Because the concentrating degree of this membrane module to material is higher, pre-concentration can be carried out with doughnut or rolling ultrafiltration membrane when film separation system works, finally further be concentrated by disc type Dynamic membrane-separation assembly.Whether material can reach spray-dired concentration depending on material characteristic;
8. the system be made up of disc type Dynamic membrane-separation assembly is totally-enclosed and full-automatic operation.Utilize Internet technology can carry out remote monitoring and controling parameters adjustment;
9. the parameters such as the change of the change of the rotating speed of system in experimentation of disc type Dynamic membrane-separation assembly composition, circulating pressure, charging and discharging flow use PLC automatic control technology to control.But show the discreteness of parameters change in embodiments because material is different according to this system, the emphasis studied from now on by be in disc type Dynamic membrane-separation assembly PLC to the control program of each parameter running status.Control program is different because material is different.
In sum, the film separation system that disc type Dynamic membrane-separation assembly can form with existing membrane separation technique, can simplify and shorten the separating technology of material and reduce operation energy consumption, improves the efficiency of film separation system.In disc type Dynamic membrane-separation assembly and various centrifuge composition feed separation system, the whole efficiency of piece-rate system will be improved.But what change ten thousand times without leaving the original aim or stand is will be the necessary condition carrying out separation engineering according to the characteristics design separating technology of separated material.
Claims (9)
1. a disc type Dynamic membrane-separation assembly, comprise frame (1), urceolus (2) and motor (5), it is characterized in that: the upper surface of described frame (1) is provided with installing plate (11), urceolus (2) is vertically located at upper and urceolus (2) lower port of installing plate (11) and is connected by seal with installing plate (11), and urceolus (2) upper port is provided with seal cover board (21); Separating barrel (4) is provided with in described urceolus (2), the lower port of separating barrel (4) is connected by seal with installing plate (11), the installing plate (11) of described separating barrel (4) central projection place is provided with movable sealing bearing (12), movable sealing bearing (12) is provided with rotationally quill shaft (13), the top of quill shaft (13) is arranged in separating barrel (4), be provided with some filtering tables (3) in separating barrel (4), some filtering tables (3) vertically equi-spaced apart are located on quill shaft (13); The quill shaft (13) of described movable sealing bearing (12) below is provided with belt pulley (14), and the frame (1) that urceolus (2) side is located at by motor (5) goes up and is in transmission connection with belt pulley (14); Described installing plate (11) is provided with the feed pipe (15) be communicated with separating barrel (4), and seal cover board (21) is provided with discharge nozzle (22), and the lower port of quill shaft (13) is provided with swivel joint (16).
2. disc type Dynamic membrane-separation assembly according to claim 1, it is characterized in that: the fusiformis vibrational power flow of described filtering table (3) in flat hollow, and the center of filtering table (3) has installing hole (32), installing hole (32) is sleeved on quill shaft (13) and its unitary rotation, the organic filter material of lumen loading (33) of filtering table (3).
3. disc type Dynamic membrane-separation assembly according to claim 2, it is characterized in that: the quill shaft (13) in described separating barrel (4) is provided with some locating rings (31), some locating rings (31) are all relatively arranged between two in groups, and often organize locating ring (31) and be located in respectively on the upper and lower end face of corresponding filtering table (3), often organize locating ring (31) and superpose successively to be connected with quill shaft (13) some filtering tables (3) equi-spaced apart is arranged.
4. according to the arbitrary described disc type Dynamic membrane-separation assembly of claim 1-3, it is characterized in that: be provided with some stream baffle plates (41) in described separating barrel (4), some stream baffle plates (41) respectively corresponding interval are located between wantonly one or two adjacent filtering table (3).
5. disc type Dynamic membrane-separation assembly according to claim 4, it is characterized in that: described stream baffle plate (41) is in circular setting, the outer rim of stream baffle plate (41) is fixedly connected with the inwall of separating barrel (4), and the diameter of bore of stream baffle plate (41) is greater than the external profile diameter of locating ring (31).
6. disc type Dynamic membrane-separation assembly according to claim 5, it is characterized in that: described stream baffle plate (41) comprises the central ring (43) and retainer ring (44) that arrange with one heart, is connected with some drainage plates (45) between central ring (43) and retainer ring (44).
7. disc type Dynamic membrane-separation assembly according to claim 6, it is characterized in that: described drainage plate (45) curved setting, and some drainage plates (45) are evenly distributed in the circumference of central ring (43) and retainer ring (44), drainage plate (45) bending direction being starting point with central ring (43) is contrary with the direction of rotation of filtering table (3).
8. disc type Dynamic membrane-separation assembly according to claim 5, it is characterized in that: described separating barrel (4) comprises some columns (42), some columns (42) are evenly distributed on centered by quill shaft (13) circumferentially same, and the lower end of some columns (42) is fixedly connected with installing plate (11), some columns (42) are arranged in the corresponding fixing hole on some stream baffle plates (41) of superposing successively (46) respectively.
9. disc type Dynamic membrane-separation assembly according to claim 8, is characterized in that: be equipped with seal between described wantonly one or two adjacent retainer ring (44).
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| CN105222820B (en) * | 2015-11-04 | 2018-04-17 | 丹东百特仪器有限公司 | A kind of filter membrane turret structure |
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| CN106955597A (en) * | 2017-05-08 | 2017-07-18 | 广州广立生物科技有限公司 | Composition separates and collects device |
| CN106955597B (en) * | 2017-05-08 | 2023-02-28 | 广州广立生物科技有限公司 | Component separating and collecting device |
| CN107213800A (en) * | 2017-07-10 | 2017-09-29 | 上海闰铭精密技术有限公司 | A kind of novel cross flow rotary ceramic membranous system |
| CN108939922A (en) * | 2018-08-07 | 2018-12-07 | 飞潮（无锡）过滤技术有限公司 | A kind of rotary type ceramic film is separated by filtration technique and device |
| CN109173419B (en) * | 2018-08-30 | 2020-11-06 | 苏州东大仁智能科技有限公司 | Dynamic membrane filtering device |
| CN109173419A (en) * | 2018-08-30 | 2019-01-11 | 苏州东大仁智能科技有限公司 | A kind of dynamic membrane filtering device |
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| CN111528685A (en) * | 2020-05-29 | 2020-08-14 | 广东美的厨房电器制造有限公司 | Drainage assembly and cooking device |
| CN111847589A (en) * | 2020-07-28 | 2020-10-30 | 铜陵铜冠神虹化工有限责任公司 | Sodium sulfide waste water treatment system |
| CN111847589B (en) * | 2020-07-28 | 2021-06-08 | 铜陵铜冠神虹化工有限责任公司 | Sodium sulfide waste water treatment system |
| CN112708487A (en) * | 2020-12-16 | 2021-04-27 | 山东师范大学 | Rotating membrane separation device and system and method for preparing synthesis gas by converting methane |
| CN112708487B (en) * | 2020-12-16 | 2022-02-15 | 山东师范大学 | Rotating membrane separation device and system and method for preparing synthesis gas by converting methane |
| CN115128284A (en) * | 2022-08-02 | 2022-09-30 | 俞敏 | A kit intelligence circulation device for G albumen detects |
| CN115193263A (en) * | 2022-08-03 | 2022-10-18 | 广西大学 | Rotary membrane filtration and purification device, application thereof and camellia oil purification method |
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