CN102527108A - Mechanical compression lateral flow fiber bundle filtering method and device - Google Patents
Mechanical compression lateral flow fiber bundle filtering method and device Download PDFInfo
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- CN102527108A CN102527108A CN2011100208398A CN201110020839A CN102527108A CN 102527108 A CN102527108 A CN 102527108A CN 2011100208398 A CN2011100208398 A CN 2011100208398A CN 201110020839 A CN201110020839 A CN 201110020839A CN 102527108 A CN102527108 A CN 102527108A
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Abstract
The invention discloses a mechanical compression lateral flow fiber bundle filtering device. The device comprises a gravity type fiber bundle filter tank and a pressure type fiber bundle filter. The device mainly comprises a shell, a fiber bundle filter unit, a filter water inlet pipe, a filter water outlet pipe, a cleaning gas inlet pipe, a drainage pipe and the like. Compared with the most common longitudinal flow fiber bundle filtering method, the mechanical compression lateral flow fiber bundle filtering method and the mechanical compression lateral flow fiber bundle filtering device have the advantages of increasing the filtering area by multiple times under the condition of the same occupied area so as to reduce the occupied area exponentially. Compared with the conventional vertical flow fiber bundle filtering method, the mechanical compression lateral flow fiber bundle filtering method has the advantages of adjusting and controlling the compression density of a filtering layer so as to adjust the filtering precision and the filtering speed.
Description
Technical field
The present invention relates to a kind of mechanical compress lateral flow fibre bundle filtration method and device.
Background technology
The inventor has begun one's study at the beginning of nineteen eighty-two since the fibre bundle filtration; The method for using and the device of multiple fiber bundle media have been studied; Water vertical fibers bundle direction of extension flow through filter course when wherein a kind of method was filtration, and rinse water flows through filtering layer along the fibre bundle direction of extension during cleaning.The compression of fiber bundle media and loosen general employing filtered water stream or washing water flow realizes.It is inhomogeneous to exist fiber bundle media compression, the filtering accuracy and rate of filtration problems such as easy-regulating, cleaning performance be not relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of mechanical compress lateral flow fibre bundle filtration method and device.
Be used to realize a kind of mechanical compress lateral flow fibre bundle filtration method of the object of the invention; This method is to be suspended on some fiber-bundle filtering elements of being processed by fiber filament to constitute the filtrate assembly on the filter plate; The filtrate assembly is installed in the both sides or a side of filtering the water outlet captation; Away from filtering water outlet captation one side the porous compressive plate is set at the filtrate assembly; The porous compressive plate promotes through transmission mechanisms such as screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or linkage or capsule mechanisms; Before the filtration; Promote the porous compressive plate through screw mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism along vertical fibers bundle direction of extension, make the fibre bundle filtration layer by moderate compression, during filtration; Water is along vertical or get into from filtering water outlet captation one effluent to go out to compile to get into through the some apertures that filter water outlet captation surface and filter the water outlet captation and make water obtain filtering from porous compressive plate one side near vertical fibers bundle direction of extension; Before the cleaning, the porous compressive plate oppositely promotes through screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism, discharges the compression stress that is applied on the fibre bundle filtration layer fiber-bundle filtering element is fully loosened.
One of cleaning method is: to stream and upward flow over-over mode, scavenging air was from bottom to top through the fibre bundle filtration layer under rinse water adopted during cleaning.
Two of cleaning method is: to stream emptying cleaning and upward flow water-filling cleaning way, scavenging air is from bottom to top through the fibre bundle filtration layer under the employing rinse water.
Three of cleaning method is: adopt under the rinse water and clean and filter water outlet through filtering water outlet captation adverse current water-filling cleaning way to the stream emptying, scavenging air is from bottom to top through the fibre bundle filtration layer.
Four of cleaning method is: adopt and filter water outlet through filtering water outlet captation adverse current cleaning way, scavenging air is from bottom to top through the fibre bundle filtration layer.
Be used to realize a kind of mechanical compress lateral flow fibre bundle filtration device of the object of the invention; Said device comprises gravity type fibre bundle filter tank and pressure type fiber bundle filter, and this device mainly comprises housing, fibre bundle filtration unit, filtered water inlet pipe, filters out water pipe, cleans air inlet pipe, drainpipe etc.
Said fibre bundle filtration unit is installed in the housing; Filtered water inlet pipe, drainpipe are connected with housing; Filter out water pipe insertion housing and be connected with the fibre bundle filtration unit, cleaning air inlet pipe insertion housing is connected with the interior air distributing device of fibre bundle filtration unit or the air distributing device below being arranged on the fibre bundle filtration unit is connected.
Said fibre bundle filtration unit mainly comprises filtrate assembly, compressing mechanism, filtration water outlet captation, air distributing device, filters out water pipe, cleans air inlet pipe, support etc.Flat of some filtration water outlet captations are installed on the support with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation over against the flat face of filtration water outlet captation of filtrate assembly; Away from filtering water outlet captation one side the porous compressive plate is set at the filtrate assembly, the porous compressive plate is connected with drive units such as motor or cylinders through a kind of or combination of screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism.Filtering out water pipe passes some filtration water outlet captations and filters water outlet captation with each and be connected.Air distributing device is arranged on the bottom of filtrate assembly, and air distributing device is connected with the cleaning air inlet pipe.
Said fibre bundle filtration unit also can be assembled by some filter elements, and filter element mainly comprises filtration water outlet captation, filtrate assembly, porous compressive plate, air distributing device, cleaning air inlet pipe, filters out the water pipe composition.The filtrate assembly is installed in the both sides of filtering the water outlet captation; The porous compressive plate is arranged on the filtrate assembly away from filtering water outlet captation one side; Air distributing device be arranged on the filtrate assembly below, air distributing device with clean air inlet pipe and be connected, filter out water pipe and be connected with filtration water outlet captation.Clean air inlet pipe between filter element and the filter element and be connected with flange, filter out water pipe and filter out water pipe and be connected with flange with the cleaning air inlet pipe.Some filter elements are assembled on the same support.
Said filtrate assembly mainly is made up of fiber-bundle filtering element, last filter plate, following filter plate, and the fiber-bundle filtering element upper end is connected on the filter plate through connector, and the fiber-bundle filtering element lower end is connected down on the filter plate through connector, and some fiber-bundle filtering elements constitute filter courses.
Said fiber-bundle filtering element is processed by fiber filament; Have some limbers or passage on last filter plate and the following filter plate; By fiberglass, plastics, resin, stainless steel, the carbon steel corrosion-resistant is a kind of or the combination process, connector is a kind of of rope, rubber strip, plastic strip, stainless steel wire, becket, plastic hoop, bolt, plug-in unit etc.
Said filter plate down can use some bob parts to replace, and each weighs down part and is connected the fiber-bundle filtering element lower end.
Said compressing mechanism mainly comprises the drive units such as a kind of or combination, motor or cylinder of porous compressive plate, screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism etc.; The porous compressive plate is connected with drive units such as motor or cylinders through a kind of or combination of screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism, and drive units such as cylinder or motor are installed on the top or housing of filtering the water outlet captation through support.
Said porous compressive plate is flase floor or porous plate.By fiberglass or carbon steel is anticorrosion or stainless steel or plastics a kind of or combination are processed.At least install one on the porous compressive plate and be used for and the nut of screw rod, or a support member that is used to support and control attitude is installed on the porous compressive plate at least through being threaded.
Said screw mechanism is chain-screw mechanism, mainly comprises screw rod, drive sprocket, sprocket for main drive, distributes sprocket wheel, sprocket wheel, chain etc. synchronously.Sprocket wheel is installed on the screw rod, and sprocket wheel is connected with distributing sprocket wheel synchronously through chain, distributes sprocket wheel to pass through connecting axle synchronously and is connected with sprocket for main drive, and sprocket for main drive is connected with drive sprocket through chain, and drive sprocket is connected with motor or cylinder through driving shaft.
Said screw mechanism is tooth bar-screw mechanism, mainly comprises screw rod, gear, tooth bar, drive rod etc.Gear is installed on the screw rod, and tooth bar is connected with drive rod, the meshing connection of rack and pinion, and drive rod is connected with cylinder or motor.
Threaded segments setting on the said screw rod, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut on being installed in the porous compressive plate, when screw rod rotates to same direction, adjacent porous compressive plate each other near or each other away from.
Said tooth bar can be single or many combinations.
Said push-pull rod body mainly comprises pull bar, and pull bar is connected with some porous compressive plates.
Said link chain mechanism mainly comprises chain, sprocket wheel, and chain is connected with some porous compressive plates, and chain is connected with sprocket wheel is meshing.
Said cam mechanism mainly comprises cam, drive link etc., and cam is installed on the drive link.
Said linkage mainly comprises connecting rod, screw rod, nut etc., and nut is installed in connecting rod joint place, and screw rod passes nut through being threaded.
Said capsule mechanism mainly comprises capsule, (or gas) pipe etc. that fills draining.Filling draining (or gas) pipe is connected with capsule.
The hollow that said filtration water outlet captation is six face closures is flat box-like, on flat of fiber-bundle filtering element, is having some limbers or slit.Filtration water outlet captation is by stainless steel or carbon steel is anticorrosion or fiberglass or plastics etc. are a kind of or combination is processed.
Said air distributing device is an antipriming pipe.
Said support by carbon steel anticorrosion or stainless steel or concrete or fiberglass process, support is arranged on the bottom of fibre bundle filtration unit, is used to support unit and is fixed on housing bottom to unit.
The height of said support is the 50-500 millimeter.
Filter effect is being required very low occasion, and compressing mechanism can be cancelled.
Cleaning process can promote the porous compressive plate and move around fiber-bundle filtering element is compressed and loosens, and helps improving cleaning performance.
Said cylinder comprises cylinder and hydraulic cylinder.Said capsule comprises the pneumatic and expansion bend that surges of capsule and other.
Said capsule can use electronic expansion bend, electromagnetism expansion bend to replace.
A kind of mechanical compress lateral flow fibre bundle filtration method of the present invention and device both can have been made gravity type fibre bundle filtration pond, also can make the pressure type fiber bundle filter.Be not only applicable to remove the suspension in the water, the water treatment filtration of turbidity, be applicable to the biofilter or the biofilter of removing the microbiological treatment of organic matter, ammonia nitrogen, total nitrogen, total phosphorus in the water yet.A kind of mechanical compress lateral flow fibre bundle filtration method of the present invention and device are particularly suitable for the gravity one of extensive water treatment occasion such as sewage treatment plant or water-supply plant.
A kind of mechanical compress lateral flow fibre bundle filtration method of the present invention and device are compared with modal longitudinal stream fibre bundle filtration method, but increase filter area on the identical subsurface several times ground that accounts for, thereby can reduce floor space exponentially.Compare with existing vertical flow fiber bundle filter method, method filtering layer pressed density scalable of the present invention can be controlled, thereby can regulate the filtering accuracy and the rate of filtration, but existing method can not be accomplished.In addition, adopt when method of the present invention is cleaned down to stream with the upward flow over-over mode or adopt down and wash out the dirt of holding back on the fiber bundle media to flowing emptying cleaning and upward flow water-filling cleaning way, cleaning performance significantly improves.
Description of drawings
Fig. 1 is a filtrate assembly sketch map
Fig. 2 is band screw rod filter element sketch map
Fig. 3 is band sliding rod rack filter element sketch map
Fig. 4 is chain-screw drive fibre bundle filtration unit sketch map
Fig. 5 is chain-screw drive fibre bundle filtration unit vertical view
Fig. 6 is tooth bar-screw drive fibre bundle filtration unit sketch map
Fig. 7 is tooth bar-screw drive fibre bundle filtration unit vertical view
Fig. 8 mechanical compress lateral flow fibre bundle filtration pond sketch map
Fig. 9 mechanical compress lateral flow fibre bundle filtration pond vertical view
Figure 10 mechanical compress lateral flow vertical fiber beam filter device sketch map
The horizontal fiber bundle filter sketch map of Figure 11 mechanical compress lateral flow
Figure 12 multi-bundle filter bank filter sketch map
Figure 13 filters water outlet captation sketch map
Figure 14 screw rod enlarged diagram
Figure 15 tooth bar enlarged diagram
Figure 16 push-pull rod body sketch map
Figure 17 link chain mechanism sketch map
Figure 18 cam mechanism sketch map
Figure 19 linkage sketch map
Figure 20 capsule structural scheme of mechanism
Specific embodiment is described
Referring to Fig. 1; Said filtrate assembly mainly is made up of fiber-bundle filtering element 2, last filter plate 3, following filter plate 4; Fiber-bundle filtering element 2 upper ends are connected on the filter plate 3 through connector 5, and fiber-bundle filtering element 2 lower ends are connected down on the filter plate 4 through connector 5, and some fiber-bundle filtering elements 2 constitute filter course.
Said fiber-bundle filtering element 2 is processed by fiber filament, has some limbers or passage 333 on last filter plate 3 and the play filter plate 4, and last filter plate 3 and following filter plate 4 are processed by fiberglass, and connector 5 is a rope of being with plug-in unit.
Referring to Fig. 2, Figure 13, Figure 14, band screw rod filter element mainly comprise filtration water outlet captation 8, filtrate assembly, porous compressive plate 7, screw rod 9, air distributing device 13, clean air inlet pipe 12, filter out water pipe 11 compositions.The filtrate assembly is installed in the both sides of filtering water outlet captation 8; On filtration water outlet captation 8, bearing 10 is set; Screw rod 9 is installed on the bearing 10, and porous compressive plate 7 is arranged on the filtrate assembly away from filtering water outlet captation 8 one sides, and nut 71 is set on the porous compressive plate 7; Porous compressive plate 7 supports, is connected on the screw rod 7 through nut 71; Air distributing device 13 be arranged on the filtrate assembly below, air distributing device 13 with clean air inlet pipe 12 and be connected, filter out water pipe 11 and be connected with filtration water outlet captation 8.
The hollow that said filtration water outlet captation 8 is six face closures is flat box-like, on flat of fiber-bundle filtering element 2, is having some limbers or slit 81.Filtering water outlet captation 8 is processed by stainless steel.
Threaded segments setting on the said screw rod 9, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut 71 on being installed in porous compressive plate 7, when screw rod 9 rotates to same direction, adjacent porous compressive plate 7 each other near or each other away from.
Referring to Fig. 3, Figure 13, band sliding rod rack filter element mainly comprise filtration water outlet captation 8, filtrate assembly, porous compressive plate 7, litter support 91, air distributing device 13, clean air inlet pipe 12, filter out water pipe 11 compositions.The filtrate assembly is installed in the both sides of filtering water outlet captation 8; Sliding rod rack 91 is fixed on and filters on the water outlet captation 8; Porous compressive plate 7 is arranged on the filtrate assembly away from filtering water outlet captation 8 one sides; It is hanging ring 711 that support member is set on the porous compressive plate 7, and porous compressive plate 7 supports, is connected on the sliding rod rack 91 through hanging ring 711, air distributing device 13 be arranged on the filtrate assembly below; Air distributing device 13 is connected with cleaning air inlet pipe 12, filters out water pipe 11 and is connected with filtration water outlet captation 8.
The hollow that said filtration water outlet captation 8 is six face closures is flat box-like, on flat of fiber-bundle filtering element 2, is having some limbers or slit 81.Filtering water outlet captation 8 is processed by fiberglass.
Referring to Fig. 1, Fig. 4, Fig. 5; Figure 13; Figure 14, chain-screw drive fibre bundle filtration unit, this fibre bundle filtration unit mainly by filtrate assembly, compressing mechanism, filtration water outlet captation 8, air distributing device 13, filter out water pipe 11, clean air inlet pipe 12, support 6 etc.
Filtrate assembly and filtration water outlet captation 8 are as stated.
Said compressing mechanism mainly comprises porous compressive plate 7, chain-screw mechanism, motor 20 etc., and porous compressive plate 7 is connected with motor 20 through chain-screw mechanism, and motor 20 is installed in the top of filtering water outlet captation 8 through support 21.
Said chain-screw mechanism mainly comprises screw rod 9, drive sprocket 19, sprocket for main drive 17, distributes sprocket wheel 16, sprocket wheel 15, chain 25 etc. synchronously.Sprocket wheel 15 is installed on the screw rod 9; Sprocket wheel 15 is connected with distributing sprocket wheel 16 synchronously through chain 25; Distribute sprocket wheel 16 to be connected with sprocket for main drive 17 synchronously through connecting axle 18; Sprocket for main drive 17 is connected with drive sprocket 19 through chain 25, and drive sprocket 19 is connected with motor 20 through driving shaft 191.
A nut 71 is installed on the said porous compressive plate 7 at least, and nut 71 and screw rod 9 are through being threaded.
Threaded segments setting on the said screw rod 9, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut 71 on being installed in porous compressive plate 7, when screw rod 9 rotates to same direction, adjacent porous compressive plate 7 each other near or each other away from.
Said air distributing device 13 is an antipriming pipe.
Said support 6 is processed by carbon steel is anticorrosion, and support 6 is arranged on the bottom of fibre bundle filtration unit 22, is used for carrier of strand beam filter unit and is fixed on housing bottom to the fibre bundle filtration unit.
The height of said support 6 is 200 millimeters.
8 flat of some filtration water outlet captations are installed on the support 6 with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation 8 over against filtration water outlet captation 8 flat faces of filtrate assembly; Away from filtering water outlet captation 8 one sides porous compressive plate 7 is set at the filtrate assembly, porous compressive plate 7 is connected with motor 20 through chain-screw mechanism.Filtering out water pipe 11 passes some filtration water outlet captations 8 and filters water outlet captation 8 with each and be connected.Air distributing device 13 is arranged on the bottom of filtrate assembly, and air distributing device 13 is connected with cleaning air inlet pipe 12.
Referring to Fig. 1, Fig. 6, Fig. 7, Figure 13, Figure 14, Figure 15, tooth bar-screw drive fibre bundle filtration unit mainly comprises filtrate assembly, compressing mechanism, filtration water outlet captation, air distributing device, filters out water pipe, cleans air inlet pipe, support etc.
Filtrate assembly and filtration water outlet captation 8 are as stated.
Said compressing mechanism mainly comprises porous compressive plate 7, tooth bar-screw mechanism, cylinder 201 etc., and porous compressive plate 7 is connected with cylinder 201 through tooth bar-screw mechanism, and cylinder 201 is installed in the top of filtering water outlet captation 8 through support 21.
Said porous compressive plate 7 is a flase floor, is processed by fiberglass.
Said tooth bar-screw mechanism mainly comprises screw rod 9, gear 152, tooth bar 251, drive rod 253 etc.Gear 152 is installed on the screw rod 9, and tooth bar 251 is connected with drive rod 253, tooth bar 251 and 152 meshing connections of gear, and drive rod 253 is connected with cylinder 201.
A nut 71 is installed on the said porous compressive plate 7 at least, and nut 71 and screw rod 9 are through being threaded.
Threaded segments setting on the said screw rod 9, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut 71 on being installed in porous compressive plate 7, when screw rod 9 rotates to same direction, adjacent porous compressive plate 7 each other near or each other away from.
Said tooth bar 251 is two combinations, and two toothed rack 251 are contained on the same support 252, and support 252 is connected with drive rod 253.
Said air distributing device 13 is an antipriming pipe.
Said support 6 is processed by concrete, and support 6 is arranged on the bottom of fibre bundle filtration unit, is used to support unit and is fixed on housing bottom to unit.
The height of said support 6 is 300 millimeters.
8 flat of some filtration water outlet captations are installed on the support 6 with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation 8 over against filtration water outlet captation 8 flat faces of filtrate assembly; Away from filtering water outlet captation 8 one sides porous compressive plate 7 is set at the filtrate assembly, porous compressive plate 7 is connected with cylinder 201 through tooth bar-screw mechanism.Filtering out water pipe 11 passes some filtration water outlet captations 8 and filters water outlet captation 8 with each and be connected.Air distributing device 13 is arranged on the bottom of filtrate assembly, and air distributing device 13 is connected with cleaning air inlet pipe 12.
Referring to Fig. 4; Fig. 5; Fig. 8, Fig. 9 is used to realize a kind of mechanical compress lateral flow fibre bundle filtration device of the object of the invention; Said device is gravity type fibre bundle filter tank, and this device mainly comprises housing 1, fibre bundle filtration unit 22, filtered water inlet pipe 23, filters out water pipe 11, cleans air inlet pipe 12, drainpipe 24 etc.
Said housing 1 is the pond body of opened upper end mouth.By concrete or fiberglass or carbon steel is anticorrosion or stainless steel is processed.
Said fibre bundle filtration unit 22 is installed in the housing 1; Filtered water inlet pipe 23, drainpipe 24 are connected with housing 1; Filter out water pipe 11 insertion housings 1 and be connected, clean air inlet pipe 12 insertion housings 1 and be connected with fibre bundle filtration unit 22 interior air distributing devices 13 with fibre bundle filtration unit 22.
Said fibre bundle filtration unit 22 mainly comprises filtrate assembly, compressing mechanism, filtration water outlet captation 8, air distributing device 13, filters out water pipe 11, cleans air inlet pipe 12, support 6 etc.
Said compressing mechanism mainly comprises porous compressive plate 7, chain-screw mechanism, motor 20 etc., and porous compressive plate 7 is connected with motor 20 through chain-screw mechanism.
Said chain-screw mechanism mainly comprises screw rod 9, drive sprocket 19, sprocket for main drive 17, distributes sprocket wheel 16, sprocket wheel 15, chain 25 etc. synchronously.Sprocket wheel 15 is installed on the screw rod 9; Sprocket wheel 15 is connected with distributing sprocket wheel 16 synchronously through chain 25; Distribute sprocket wheel 16 to be connected with sprocket for main drive 17 synchronously through connecting axle 18; Sprocket for main drive 17 is connected with drive sprocket 19 through chain 25, and drive sprocket 19 is connected with motor 20 through driving shaft 191.
Four nuts 71 are installed on the said porous compressive plate 7, each nut 7 respectively with screw rod 9 through being threaded.
Threaded segments setting on the said screw rod 9, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut 71 on being installed in porous compressive plate 7, when screw rod rotates to same direction, adjacent porous compressive plate 7 each other near or each other away from.
Said air distributing device 13 is an antipriming pipe.
8 flat of some filtration water outlet captations are installed on the support 6 with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation 8 over against filtration water outlet captation 8 flat faces of filtrate assembly; Away from filtering water outlet captation 8 one sides porous compressive plate 7 is set at the filtrate assembly, porous compressive plate 7 is connected with motor 20 through chain-screw mechanism.Filtering out water pipe 11 passes some filtration water outlet captations 8 and filters water outlet captation 8 with each and be connected.Air distributing device 13 is arranged on the bottom of filtrate assembly, and air distributing device 13 is connected with cleaning air inlet pipe 12.
Remainder is described as stated.
Operation principle:
Before the filtration: fibre bundle filtration unit 22 is immersed in the water fully; Open the power supply of motor 20; Motor 20 (can use speed changer in case of necessity) drives drive sprocket 19 through driving shaft 191, and drive sprocket 19 drives sprocket for main drive 17 through chain 25, and sprocket for main drive 17 drives through connecting axle 18 and distributes sprocket wheel 16 to rotate synchronously; Distribute sprocket wheel 16 to drive sprocket wheel 15 rotations synchronously through chain 25; Sprocket wheel 15 drives screw rods 9 and rotates, through nut 71 drive adjacent two filter between the water outlet captations 8 two porous compressive plates 7 to mutually away from direction move, press fiber-bundle filtering element 2 to be reduced to and to filter the filter course that constitutes on the water outlet captation 8.
During filtration: former water gets into housing 1 from filtered water inlet pipe 23; The passage of opening up out away from moving mutually along adjacent two porous compressive plates 7 then gets in the fibre bundle filtration unit; The filter course that sees through porous compressive plate 7 entering fiber-bundle filtering elements 2 formations then filters the impurity of removing in the water; Filtrate gets into filtration water outlet captation 8 through some limbers of filtrate captation or slit 81, discharges through leaching water pipe 11 again.
Before the cleaning: the power supply of opening motor 20; Make motor 20 antiports (also can use the speed changer tumbler gear in case of necessity) drive drive sprocket 19 through driving shaft 191; Drive sprocket 19 drives sprocket for main drive 17 through chain 25; Sprocket for main drive 17 drives through connecting axle 18 and distributes sprocket wheel 16 to rotate synchronously, distributes sprocket wheel 16 to drive sprocket wheel 15 rotations through chain 25 synchronously, and sprocket wheel 15 drives screw rod 9 backward rotation; Two porous compressive plates 7 that drive between adjacent two filtration water outlet captations 8 through nut 71 move to direction adjacent to each other, loosen fiber-bundle filtering element 2 fully.
During cleaning: adopt emptying-air-water combined cleaning mode earlier: scavenging air is through cleaning air inlet pipe 12, air distributing device 13 entering filtrate assembly bottoms; Through filter plate 4, fiber-bundle filtering element 2, upward filter plate 3 discharges down, the water in the device is through drainpipe 24 slow emptyings simultaneously from bottom to top.Adopt water-filling-air-water combined cleaning mode then: scavenging air is through cleaning air inlet pipe 12, air distributing device 13 entering filtrate assembly bottoms; From bottom to top through filter plate 4, fiber-bundle filtering element 2, upward filter plate 3 discharges down; Rinse water is through leaching water pipe, filtering water outlet captation 8 slow accesss to plant simultaneously; Water level slowly rises and did not have the fibre bundle filtration unit, stops into rinse water, the water in drainpipe 24 emptier; Stop draining, former water is through filtered water inlet pipe 23 accesss to plant and make water level not have fibre bundle filtration unit 22.Device can forward the filtration state to afterwards.
When the fibre bundle filtration unit 22 of a kind of mechanical compress lateral flow fibre bundle filtration device that is used to realize the object of the invention changed into tooth bar-screw drive fibre bundle filtration unit, just transmission mechanism was different:
Before the filtration: fibre bundle filtration unit 22 is immersed in the water fully; Open the intake valve of cylinder 201; Cylinder 201 drives tooth bar 251 through drive rod 253, and tooth bar 251 driven gears 152 rotate, and gear 152 drives screw rod 9 simultaneously and rotates; Through nut 71 drive adjacent two filter between the water outlet captations 8 two porous compressive plates 7 to mutually away from direction move, press fiber-bundle filtering element 2 to be reduced to and to filter the filter course that constitutes on the water outlet captation 8.
Before the cleaning: the intake valve of opening cylinder 201; Make cylinder 201 drive drive rod 253 counter motions; Drive rod 253 drives tooth bar 251, and tooth bar 251 driven gears 152 rotate, and gear 152 drives screw rod 9 backward rotation simultaneously; Two porous compressive plates 7 that drive between adjacent two filtration water outlet captations 8 through nut 71 move to direction adjacent to each other, loosen fiber-bundle filtering element 2 fully.
Filter process and cleaning process and fibre bundle filtration unit 22 are identical when being chain-screw drive fibre bundle filtration unit.
Referring to Fig. 4; Fig. 5; Figure 10, Figure 11 is used to realize a kind of mechanical compress lateral flow fibre bundle filtration device of the object of the invention; Said device is the pressure type fiber bundle filter, and this device mainly comprises housing 1, fibre bundle filtration unit 22, filtered water inlet pipe 23, filters out water pipe 11, cleans air inlet pipe 12, blast pipe 121, drainpipe 24 etc.
Said fibre bundle filtration unit 22 is installed in the housing 1; Filtered water inlet pipe 23, drainpipe 24 are connected with housing 1; Filter out water pipe 11 insertion housings 1 and be connected, clean air inlet pipe 12 insertion housings 1 and be connected with fibre bundle filtration unit 22 interior air distributing devices 13 with fibre bundle filtration unit 22.
Said fibre bundle filtration unit 22 mainly comprises filtrate assembly, compressing mechanism, filtration water outlet captation 8, air distributing device 13, filters out water pipe 11, cleans air inlet pipe 12, support 6 etc.
Said compressing mechanism mainly comprises porous compressive plate 7, tooth bar-screw mechanism, cylinder 201 etc., and porous compressive plate 7 is connected with cylinder 201 through tooth bar-screw mechanism, and cylinder 201 is installed in the top of filtering water outlet captation 8 through support 21.
Said porous compressive plate 7 is a flase floor, is processed by fiberglass.
Said tooth bar-screw mechanism mainly comprises screw rod 9, gear 152, tooth bar 251, drive rod 253 etc.Gear 152 is installed on the screw rod 9, and tooth bar 251 is connected with drive rod 253, tooth bar 251 and 152 meshing connections of gear, and drive rod 253 is connected with cylinder 201.
A nut 71 is installed on the said porous compressive plate 7 at least, and nut 71 and screw rod 9 are through being threaded.
Threaded segments setting on the said screw rod 9, adjacent two sections thread rotary orientations are opposite, every section screw thread is connected with nut 71 on being installed in porous compressive plate 7, when screw rod 9 rotates to same direction, adjacent porous compressive plate 7 each other near or each other away from.
Said tooth bar 251 is two combinations, and two toothed rack 251 are contained on the same support 252, and support 252 is connected with drive rod 253.
Said air distributing device 13 is an antipriming pipe.
Said support 6 is processed by concrete, and support 6 is arranged on the bottom of fibre bundle filtration unit, is used to support unit and is fixed on housing bottom to unit.
The height of said support 6 is 200 millimeters.
8 flat of some filtration water outlet captations are installed on the support 6 with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation 8 over against filtration water outlet captation 8 flat faces of filtrate assembly; Away from filtering water outlet captation 8 one sides porous compressive plate 7 is set at the filtrate assembly, porous compressive plate 7 is connected with cylinder 201 through tooth bar-screw mechanism.Filtering out water pipe 11 passes some filtration water outlet captations 8 and filters water outlet captation 8 with each and be connected.Air distributing device 13 is arranged on the bottom of filtrate assembly, and air distributing device 13 is connected with cleaning air inlet pipe 12.
Operation principle:
Before the filtration: fibre bundle filtration unit 22 is immersed in the water fully; Open the intake valve of cylinder 201; Cylinder 201 drives tooth bar 251 through drive rod 253, and tooth bar 251 driven gears 152 rotate, and gear 152 drives screw rod 9 simultaneously and rotates; Through nut 71 drive adjacent two filter between the water outlet captations 8 two porous compressive plates 7 to mutually away from direction move, press fiber-bundle filtering element 2 to be reduced to and to filter the filter course that constitutes on the water outlet captation 8.
During filtration: former water gets into housing 1 from filtered water inlet pipe 23; The passage of opening up out away from moving mutually along adjacent two porous compressive plates 7 then gets in the fibre bundle filtration unit; The filter course that sees through porous compressive plate 7 entering fiber-bundle filtering elements 2 formations then filters the impurity of removing in the water; Filtrate gets into filtration water outlet captation 8 through some limbers of filtrate captation or slit 81, discharges through leaching water pipe 11 again.
Before the cleaning: the intake valve of opening cylinder 201; Make cylinder 201 drive drive rod 253 counter motions; Drive rod 253 drives tooth bar 251, and tooth bar 251 driven gears 152 rotate, and gear 152 drives screw rod 9 backward rotation simultaneously; Two porous compressive plates 7 that drive between adjacent two filtration water outlet captations 8 through nut 71 move to direction adjacent to each other, loosen fiber-bundle filtering element 2 fully.
During cleaning: adopt emptying-air-water combined cleaning mode earlier: open blast pipe 121 and clean air inlet pipe 12; Scavenging air is through cleaning air inlet pipe 12, air distributing device 13 entering filtrate assembly bottoms; Pass through following filter plate 4, fiber-bundle filtering element 2 from bottom to top, go up filter plate 3; After blast pipe 121 is discharged, open drainpipe 24, the water in the device is through drainpipe 24 slow emptyings.Adopt water-filling-air-water combined cleaning mode then: scavenging air continue through clean air inlet pipe 12, air distributing device 13 gets into filtrate assembly bottoms, from bottom to top through filter plate 4, fiber-bundle filtering element 2 down, go up filter plate 3, after blast pipe 121 discharge; Close drainpipe 24, rinse water is through leaching water pipe 11, filtering water outlet captation 8 slow accesss to plant, and water level slowly rises and do not have the fibre bundle filtration unit; Stop into rinse water, open drainpipe 24, the water in drainpipe 24 emptier; Stop draining; Stop into scavenging air, rinse water is through leaching water pipe 11, filtering water outlet captation 8 slow accesss to plant, and water level slowly rises and do not have the fibre bundle filtration unit and be full of housing 1; Stop into rinse water, close blast pipe 121.Device can forward the filtration state to afterwards.
Referring to Figure 12, a kind of mechanical compress lateral flow fibre bundle filtration device that is used to realize the object of the invention is installed the situation of two and above fibre bundle filtration unit in a housing.
Referring to Figure 16; Said push-pull rod body mainly comprises pull bar 721,722; Pull bar 721,722 alternately is connected with some porous compressive plates 7, and porous compressive plate 7 is suspended on the sliding rod rack 91 through hanging ring 711, and sliding rod rack 91 is installed in and filters on the water outlet captation 8.When pull bar 721 spurs left; The porous compressive plate 7 that is connected with pull bar 721 (the left sheet of every pair of tight adjacent porous compressive plate among the figure) is moved to the left pushing fiber-bundle filtering element 2; Pull bar 722 promotes to the right simultaneously; The porous compressive plate 7 that is connected with pull bar 722 (the right sheet of every pair of tight adjacent porous compressive plate among the figure) the pushing fiber-bundle filtering element 2 that moves right; Be suspended on the fiber-bundle filtering element 2 that filters water outlet captation both sides and all be compressed in the closely knit fibre bundle filtration layer of formation on the filtration water outlet captation, help filtering.In like manner, when pull bar 721,722 promotes round about or spurs, be suspended on the fiber-bundle filtering element 2 that filters water outlet captation both sides and all loosened, help cleaning.
Referring to Figure 17; Said link chain mechanism mainly comprises chain 251, sprocket wheel 151; Chain 251 alternately is connected with some porous compressive plates 7; Chain 251 and 151 meshing connections of sprocket wheel, porous compressive plate 7 is suspended on the sliding rod rack 91 through hanging ring 711, and sliding rod rack 91 is installed in and filters on the water outlet captation 8.When sprocket wheel 151 when counter clockwise direction is rotated; The porous compressive plate 7 that is connected with chain 251 the first half (the left sheet of every pair of tight adjacent porous compressive plate among the figure) is moved to the left pushing fiber-bundle filtering element 2; The porous compressive plate 7 that is connected with chain 251 the latter halfs (the right sheet of every pair of tight adjacent porous compressive plate among the figure) the pushing fiber-bundle filtering element 2 that moves right; Be suspended on the fiber-bundle filtering element 2 that filters water outlet captation both sides and all be compressed in the closely knit fibre bundle filtration layer of formation on the filtration water outlet captation, help filtering.In like manner, when sprocket wheel 151 when clockwise direction rotates, be suspended on the fiber-bundle filtering element 2 that filters water outlet captation both sides and all loosened, help cleaning.
Referring to Figure 18, cam mechanism comprises cam 77, drive link 78 etc., and cam 77 is arranged between two porous compressive plates 7, and cam 77 is installed on the drive link 78.Drive link 78 drives cam 77 and rotates under the driving of motor or cylinder, cam 77 when rotating, can promote two porous compressive plates 7 near or away from.
Referring to Figure 19, linkage mainly comprises connecting rod 75, screw rod 99, nut 751 etc., and nut 751 is installed in connecting rod 75 joint places, and screw rod 99 passes nut 751 through being threaded.The threaded segments setting of screw rod 99, adjacent two sections thread rotary orientations are opposite, and screw rod 99 rotates under the driving of motor or cylinder, can further or push away two nuts 751 far away, thereby pushes away far away or the two porous compressive plates 7 that further with connecting rod 75.
Referring to Figure 20, capsule mechanism mainly comprises capsule 76, (or gas) pipe 761 etc. that fills draining.Fill draining (or gas) pipe 761 and be connected with capsule 76, capsule 76 is arranged between two porous compressive plates 7.Through filling draining (or gas) pipe 761 water-filling (or gas) in capsule 76, capsule 76 expands and pushes away two porous compressive plates 7 far away, discharges water (or gas) in the capsule 76 through filling draining (or gas) pipe 761, and capsule 76 shrinks the two porous compressive plates 7 that further.
Claims (10)
1. mechanical compress lateral flow fibre bundle filtration method; It is characterized in that; This method is to be suspended on some fiber-bundle filtering elements of being processed by fiber filament to constitute the filtrate assembly on the filter plate; The filtrate assembly is installed in the both sides or a side of filtering the water outlet captation; Away from filtering water outlet captation one side the porous compressive plate is set at the filtrate assembly; The porous compressive plate promotes through transmission mechanisms such as screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or linkage or capsule mechanisms, before the filtration, promotes the porous compressive plate through screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism along vertical fibers bundle direction of extension; Make the fibre bundle filtration layer by moderate compression; During filtration, water is along vertical or get into from filtering water outlet captation one effluent to go out to compile to get into through the some apertures that filter water outlet captation surface and filter the water outlet captation and make water obtain filtering from porous compressive plate one side near vertical fibers bundle direction of extension, before the cleaning; The porous compressive plate oppositely promotes through screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism, discharges the compression stress that is applied on the fibre bundle filtration layer fiber-bundle filtering element is fully loosened.
2. according to the said a kind of mechanical compress lateral flow fibre bundle filtration method of claim 1; It is characterized in that; Rinse water adopts down to stream and upward flow over-over mode during cleaning; Scavenging air is from bottom to top through the fibre bundle filtration layer, or adopts under the rinse water to stream emptying cleaning and upward flow water-filling cleaning way, and scavenging air passes through the fibre bundle filtration layer from bottom to top; Or clean and filter water outlet through filtering water outlet captation adverse current water-filling cleaning way to the stream emptying under the employing rinse water; Scavenging air passes through the fibre bundle filtration layer from bottom to top, or adopts and filter water outlet through filtering water outlet captation adverse current water-filling cleaning way, and scavenging air passes through the fibre bundle filtration layer from bottom to top.
3. mechanical compress lateral flow fibre bundle filtration device; It is characterized in that; Device comprises gravity type fibre bundle filter tank and pressure type fiber bundle filter; This device mainly comprises housing, fibre bundle filtration unit, filtered water inlet pipe, filters out water pipe, cleans air inlet pipe, drainpipe, and the fibre bundle filtration unit is installed in the housing, and filtered water inlet pipe, drainpipe are connected with housing; Filter out water pipe insertion housing and be connected with the fibre bundle filtration unit, cleaning air inlet pipe insertion housing is connected with the interior air distributing device of fibre bundle filtration unit or the air distributing device below being arranged on the fibre bundle filtration unit is connected.
4. according to the said a kind of mechanical compress lateral flow fibre bundle filtration device of claim 3; It is characterized in that; The fibre bundle filtration unit mainly comprises filtrate assembly, compressing mechanism, filtration water outlet captation, air distributing device, filters out water pipe, cleans air inlet pipe, support; Flat of some filtration water outlet captations are installed on the support with certain perpendicular spacing relatively; Flat the both sides that are installed in filtration water outlet captation over against the flat face of filtration water outlet captation of filtrate assembly; Away from filtering water outlet captation one side the porous compressive plate is set at the filtrate assembly, the porous compressive plate is connected with drive units such as motor or cylinders through a kind of or combination of screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism, filters out water pipe and passes some filtration water outlet captations and be connected with each filtration water outlet captation; Air distributing device is arranged on the bottom of filtrate assembly, and air distributing device is connected with the cleaning air inlet pipe.
5. according to the said a kind of mechanical compress lateral flow fibre bundle filtration device of claim 3; It is characterized in that the fibre bundle filtration unit is assembled by some filter elements, filter element mainly comprises filtration water outlet captation, filtrate assembly, porous compressive plate, air distributing device, cleaning air inlet pipe, filters out the water pipe composition; The filtrate assembly is installed in the both sides of filtering the water outlet captation; The porous compressive plate is arranged on the filtrate assembly away from filtering water outlet captation one side, air distributing device be arranged on the filtrate assembly below, air distributing device is connected with the cleaning air inlet pipe; Filtering out water pipe is connected with filtration water outlet captation; Clean air inlet pipe between filter element and the filter element and be connected with flange with the cleaning air inlet pipe, filter out water pipe and filter out water pipe and be connected with flange, some filter elements are assembled on the same support.
6. according to claim 4 or 5 said a kind of mechanical compress lateral flow fibre bundle filtration devices; It is characterized in that; Said filtrate assembly mainly is made up of fiber-bundle filtering element, last filter plate, following filter plate; The fiber-bundle filtering element upper end is connected on the filter plate through connector, and the fiber-bundle filtering element lower end is connected down on the filter plate through connector, and some fiber-bundle filtering elements constitute filter course; Said fiber-bundle filtering element is processed by fiber filament; Have some limbers or passage on last filter plate and the play filter plate, by fiberglass, plastics, resin, stainless steel, the carbon steel corrosion-resistant is a kind of or make up and process, connector is a kind of of rope, rubber strip, plastic strip, stainless steel wire, becket, plastic hoop, bolt, plug-in unit.
7. according to claim 4 or 5 said a kind of mechanical compress lateral flow fibre bundle filtration devices; It is characterized in that; Compressing mechanism mainly comprises the drive units such as a kind of or combination, motor or cylinder of porous compressive plate, screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism; The porous compressive plate is connected with drive units such as motor or cylinders through a kind of or combination of screw mechanism or push-pull rod body or link chain mechanism or cam mechanism or transmission mechanisms such as linkage or capsule mechanism, and drive units such as cylinder or motor are installed on the top or housing of filtering the water outlet captation through support.
8. according to the said a kind of mechanical compress lateral flow fibre bundle filtration device of claim 7, it is characterized in that said porous compressive plate is flase floor or porous plate; By fiberglass or carbon steel is anticorrosion or stainless steel or plastics a kind of or combination are processed, install one on the porous compressive plate at least and be used for and the nut of screw rod, or a support member that is used to support and control attitude is installed on the porous compressive plate at least through being threaded; Said screw mechanism is chain-screw mechanism, mainly comprises screw rod, drive sprocket, sprocket for main drive, distributes sprocket wheel, sprocket wheel, chain synchronously, and sprocket wheel is installed on the screw rod; Sprocket wheel is connected with distributing sprocket wheel synchronously through chain, distributes sprocket wheel to pass through connecting axle synchronously and is connected with sprocket for main drive, and sprocket for main drive is connected with drive sprocket through chain; Drive sprocket is connected with motor or cylinder through driving shaft, and said screw mechanism is tooth bar-screw mechanism, mainly comprises screw rod, gear, tooth bar, drive rod; Gear is installed on the screw rod, and tooth bar is connected with drive rod, the meshing connection of rack and pinion; Drive rod is connected with cylinder or motor, the threaded segments setting on the said screw rod, and adjacent two sections thread rotary orientations are opposite; Every section screw thread is connected with nut on being installed in the porous compressive plate, when screw rod rotates to same direction, adjacent porous compressive plate each other near or each other away from; Said tooth bar can be single or many combinations, and said push-pull rod body mainly comprises pull bar, and pull bar is connected with some porous compressive plates; Said link chain mechanism mainly comprises chain, sprocket wheel, and chain is connected with some porous compressive plates, and chain is connected with sprocket wheel is meshing; Said cam mechanism mainly comprises cam, drive link etc., and cam is installed on the drive link, and said linkage mainly comprises connecting rod, screw rod, nut etc.; Nut is installed in connecting rod joint place; Screw rod passes nut through being threaded, and said capsule mechanism mainly comprises capsule, fills drainpipe or charge and exhaust pipe, fills drainpipe or charge and exhaust pipe and is connected with capsule.
9. according to claim 4 or 5 said a kind of mechanical compress lateral flow fibre bundle filtration devices; It is characterized in that; The hollow that said filtration water outlet captation is six face closures is flat box-like; On flat of fiber-bundle filtering element, have some limbers or slit, filtering the water outlet captation by stainless steel or carbon steel is anticorrosion or a kind of or combination of fiberglass or plastics is processed.
10. according to claim 4 or 5 said a kind of mechanical compress lateral flow fibre bundle filtration devices; It is characterized in that; Support by carbon steel anticorrosion or stainless steel or concrete or fiberglass process, support is arranged on the bottom of fibre bundle filtration unit, is used to support unit and is fixed on housing bottom to unit.
The height of said support is the 50-500 millimeter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100208398A CN102527108A (en) | 2010-12-27 | 2011-01-08 | Mechanical compression lateral flow fiber bundle filtering method and device |
| PCT/CN2011/084539 WO2012092816A1 (en) | 2011-01-08 | 2011-12-23 | Device and method for mechanically compressed, lateral-flow, fiber bundle filtration |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010616741 | 2010-12-27 | ||
| CN201010616741.4 | 2010-12-27 | ||
| CN2011100208398A CN102527108A (en) | 2010-12-27 | 2011-01-08 | Mechanical compression lateral flow fiber bundle filtering method and device |
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| Publication Number | Publication Date |
|---|---|
| CN102527108A true CN102527108A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100208398A Pending CN102527108A (en) | 2010-12-27 | 2011-01-08 | Mechanical compression lateral flow fiber bundle filtering method and device |
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| CN (1) | CN102527108A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051740A (en) * | 2017-06-15 | 2017-08-18 | 成都益睿信科技有限公司 | Construction is with vertical square tube wet electrical dust precipitator |
| WO2019006729A1 (en) * | 2017-07-06 | 2019-01-10 | 易达科技（深圳）有限公司 | Radial fibre filter |
| CN114279760A (en) * | 2021-12-28 | 2022-04-05 | 海口市人民医院（中南大学湘雅医学院附属海口医院） | Reagent sampling device based on medical detection usefulness |
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| CN2198019Y (en) * | 1994-04-13 | 1995-05-24 | 中国石油天然气总公司江汉机械研究所 | Fiber bundle filter by mechanical back washing and compressing |
| CN101843994A (en) * | 2010-04-26 | 2010-09-29 | 上海凡清环境工程有限公司 | Method and device for filtering mechanically compressed vertical flow fiber bundle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198019Y (en) * | 1994-04-13 | 1995-05-24 | 中国石油天然气总公司江汉机械研究所 | Fiber bundle filter by mechanical back washing and compressing |
| CN101843994A (en) * | 2010-04-26 | 2010-09-29 | 上海凡清环境工程有限公司 | Method and device for filtering mechanically compressed vertical flow fiber bundle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051740A (en) * | 2017-06-15 | 2017-08-18 | 成都益睿信科技有限公司 | Construction is with vertical square tube wet electrical dust precipitator |
| WO2019006729A1 (en) * | 2017-07-06 | 2019-01-10 | 易达科技（深圳）有限公司 | Radial fibre filter |
| CN114279760A (en) * | 2021-12-28 | 2022-04-05 | 海口市人民医院（中南大学湘雅医学院附属海口医院） | Reagent sampling device based on medical detection usefulness |
| CN114279760B (en) * | 2021-12-28 | 2024-05-17 | 海口市人民医院（中南大学湘雅医学院附属海口医院） | Reagent sampling device based on medical science detects usefulness |
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Application publication date: 20120704 |