CN102805968A - Filer tank - Google Patents
Filer tank Download PDFInfo
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- CN102805968A CN102805968A CN2012102981313A CN201210298131A CN102805968A CN 102805968 A CN102805968 A CN 102805968A CN 2012102981313 A CN2012102981313 A CN 2012102981313A CN 201210298131 A CN201210298131 A CN 201210298131A CN 102805968 A CN102805968 A CN 102805968A
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- filter membrane
- tank body
- filter element
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Abstract
The invention provides a filter tank which comprises a tank body, a vibrating device, a filter element and a swinging mechanism. The tank body is rotationally supported on a support; the vibrating device drives the tank body to vibrate on the support; the filter element is held in the tank body; and the swinging mechanism drives the tank body together with the filter element to swing around the tank body relative to the rotating axis of the support in a reciprocating manner. The filter element is provided with a water collecting pipe extending out of the tank body and a group of filter units sleeved on a section, in the tank body, of the water collecting pipe. Each filter unit includes a water outlet passage and a water collecting passage, the water outlet passage is used for water to be filtered to flow through, a filter membrane is arranged on a flowing path of the water outlet passage, the water collecting passage is used forfeeding the water filtered by the filter membrane into the water collecting pipe, and heads and the tails of all the water outlet passages of the filter units in the filter element are communicated in sequence so that a water flow passage which runs through the filter element and surrounds the axis of the water collecting pipe is formed. The filter membranes in the filter element can be prevented from being blocked by solid particles generated in filtering, and dirt residues generated in filtering can be cleaned easily.
Description
Technical field
The present invention relates to a kind of filtering tank.
Background technology
In the prior art, for example filtering, the conventional filtration device of seawater, bitter wait filtered water is the filter with rolled film.With close-stacked filter membrane and filter screen together is an independent filter element; Such filter element is wound on the water gathering tube with radial hole; These filter elements that are wound on the water gathering tube are exactly rolled film, and closely contact between the filter element of every adjacent two coilings.
When work; Water to be filtered gets into the axial end of certain pressure from rolled film; The water that gets into rolled film, is promptly filtered along this radial direction water to water gathering tube along the radial flow of rolled film layer by layer, and the water after the filtration gets in the water gathering tube through the radial hole of water gathering tube and flows out from adopting the mouth of a river.
But there is following defective in above-mentioned filter with rolled film:
(1) owing to a water to be filtered axial end from rolled film gets into, the residue when this causes filtering not only remains on the filter membrane and also remains on the filter screen, thereby is difficult for cleaning;
(2) again since in the rolled film filter element of every adjacent two coilings directly contact too closely each other; Promptly; In every adjacent two filter elements; Closely contact between the filter membrane of a filter element and the filter screen of another filter element, the dirt that remains in when this causes filtering in the rolled film is difficult for cleaning and cleaning unclean more.
To sum up, existing rolled film since be difficult for cleaning and clean unclean, thereby make that the rolled film filter effect is bad, and clean sordid dirt for a long time and can produce green paint, also can make rolled film short service life.
Summary of the invention
To the problem that exists in the correlation technique, the object of the present invention is to provide a kind of filtering tank, residual dirt when the solid particle that produces when not only can prevent to filter stopped up the filter membrane in the filter core and can be more prone to the ground cleaning and filtering.
For realizing above-mentioned purpose, the invention provides a kind of filtering tank, comprising: be supported on the tank body on the bearing rotationally; Drive the vibrating device that tank body vibrates on bearing; Be contained in the filter core of crossing in the tank body; Drive tank body together with crossing filter core around the swing mechanism of tank body with respect to the pivot center reciprocally swinging of bearing; Crossing filter core has the water gathering tube that passes tank body and is set in one group of filter element on the pipeline section that is arranged in tank body of water gathering tube; Wherein, Each filter element have supply current to be filtered through and the path of flowing through on be provided with the exhalant canal of filter membrane and the aquaporin of adopting of will the water behind membrane filtration sending into water gathering tube; Wherein, cross the head and the tail of the exhalant canal in all filter elements connection successively in the filter core, and constitute the water stream channel that penetrates filter core around the axis of water gathering tube.
Preferably, bearing comprises: base, be fixed on the gripper shoe on the base, be fixed with projecting shaft in the outside, the jar end of tank body, projecting shaft through bearings in gripper shoe, with the tank body rotational support on bearing.
Preferably, swing mechanism comprises: be fixed on the frequency modulation motor on the gripper shoe; By the rotating disk that the output shaft of frequency modulation motor rotates, on rotating disk, be provided with the rotate groove of pivot center of dish of a corral; And connecting rod, the one of which end is fixedly connected with projecting shaft, and the other end slides in groove with the rotation of rotating disk; Arranging of groove around the pivot center of rotating disk, and the layout Trajectory Design of groove becomes to have to make connecting rod to drive the shape of projecting shaft swing with the rotation of rotating disk, and the axis that swing centers on is the axis of projecting shaft.
Preferably; Vibrating device is a plurality of vibrating motors that are fixed on the gripper shoe; Contact position place between gripper shoe and base also is provided with beam, and these a plurality of vibrating motors arrange evenly that around the axis of water gathering tube gripper shoe is arranged to the axis direction perpendicular to water gathering tube in the outside of tank body.
Preferably, vibrating device is the vibrating motor that is fixed on the tank deck of tank body.
Preferably, a port sealing of water gathering tube, another port open of water gathering tube is adopted water out with formation; And the position of adopting aquaporin corresponding to each filter element at water gathering tube is provided with adopting the radial hole that aquaporin is communicated with water gathering tube.
Preferably, tank body is a vertical tank, crosses filter core and is arranged such that in vertical tank the axis of water gathering tube is vertical direction.
Preferably; On water gathering tube, be arranged with top board with first through hole and base plate respectively with second through hole, this group filter element is clamped between top board and the base plate; Wherein, Along the vertical axis direction of water gathering tube, the bottom filter element that has the top filter element that is positioned at its top in this group filter element and be positioned at its bottom, wherein; The water inlet of the exhalant canal of top filter element is communicated with first through hole, and the delivery port of the exhalant canal of bottom filter element is communicated with second through hole.
Preferably, the jar in vertical tank is provided with the drain chamber that open-top and bottom are connected with drainpipe the end, wherein, the top of base plate sealing drain chamber, second through hole of base plate constitutes the water inlet of drain chamber.
Preferably, filtering tank also comprises sent water to be filtered into the flow pipe in the filter core, and a port of flow pipe is communicated with first through hole of top board, and another port stretches out from the tank deck of vertical tank.
Preferably; First kind of embodiment of filter element is provided, and at this moment, each filter element comprises: stack of laminations; Formed by plane rigidity block water plate and first filter screen that on a side of plane rigidity block water plate, stacks gradually and first filter membrane, first filter membrane is as filter membrane; First and second retaining rings all are layered on first filter membrane, and second retaining ring surrounds first retaining ring; Run through stack of laminations and by first perforation that water gathering tube passes, be positioned at the enclosing region of first retaining ring, first filter screen and first filter membrane expose from the internal perisporium of first perforation; A plurality of sheathed sleeved second perforation in all second perforation zones between first and second retaining rings, and all run through stack of laminations; Wherein, First filter screen and being connected of first filter membrane from water-stop between each second part of exposing of perforation and the sleeve; Wherein, first filter membrane, first and second retaining rings and each sleeve constitute exhalant canal together; Exhalant canal is the bottom surface with first filter membrane and is delivery port, is the water inlet of accepting water to be filtered with the zone between first and second retaining rings of first filter membrane with each sleeve; First filter membrane constitutes the filter membrane in the exhalant canal, and wherein, first filter screen formation is adopted aquaporin and is communicated with water gathering tube in first perforation place.
Preferably; An axial end of each sleeve is configured to be pressed in first flanging on first filter membrane; Another axial end is configured to be pressed in second flanging on the block water plate; Wherein, first retaining ring exceeds the height of first filter membrane and the height that second retaining ring exceeds first filter membrane, all exceeds the height of first filter membrane greater than first flanging.
Preferably, first filter screen is a double-layer structure, is made up of ground floor filter screen stacked together and second layer filter screen; The mesh size of ground floor filter screen is greater than the mesh size of second layer filter screen; Wherein, the ground floor filter mesh layer is stacked on the block water plate, and first filter membrane is layered on the second layer filter screen.
Preferably, the rigidity block water plate is a steel disc, and first and second retaining rings are steel ring, on the periphery wall of first retaining ring, is arranged with first sealing ring, on the internal perisporium of second retaining ring, is arranged with second sealing ring.
Preferably; Second kind of embodiment of filter element is provided; At this moment, each filter element comprises: stack of laminations, by plane rigidity block water plate, stack gradually at first filter screen on first side of block water plate and first filter membrane and second filter screen and second filter membrane that stack gradually on second side at block water plate and constitute together; First side and second side are the relative both sides of block water plate, and first filter membrane and second filter membrane constitute filter membrane together; And first and second retaining rings, all being layered on first filter membrane, second retaining ring surrounds first retaining ring; Run through stack of laminations and by first perforation that water gathering tube passes, be positioned at the enclosing region of first retaining ring, first and second filter screens and first and second filter membranes all expose from the internal perisporium of first perforation; A plurality of sheathed sleeved second perforation, all second perforation all run through stack of laminations and between first and second retaining rings in the zone; Wherein, The parts of exposing from each second perforation first and second filter screens and first and second filter membranes, all with sleeve between water-stop be connected; Wherein, First filter membrane, first and second retaining rings and each sleeve constitute exhalant canal together; Exhalant canal is the bottom surface with first filter membrane and is delivery port, is the water inlet of accepting water to be filtered with the zone between first and second retaining rings of first filter membrane that with each sleeve wherein, first filter screen constitutes first water transport channel and is communicated with water gathering tube in first perforation place; Second filter screen formation supplies the water after second filter membrane filters to bore a hole from first and flows to second water transport channel of water gathering tube, and first water transport channel and second water transport channel constitute together adopts aquaporin.
Preferably; In the filter element of second embodiment; An axial end of each sleeve is configured to be pressed in first flanging on first filter membrane, and another axial end is configured to be pressed in second flanging on second filter membrane, wherein; First retaining ring exceeds the height of first filter membrane and the height that second retaining ring exceeds first filter membrane, all exceeds the height of first filter membrane greater than first flanging.
Preferably; In the filter element of second embodiment; First filter screen and second filter screen are double-layer structure; Vertically stack gradually together ground floor filter screen and second layer filter screen formation away from the direction of block water plate by the edge, the mesh size of ground floor filter screen is greater than the mesh size of second layer filter screen.
Preferably, in the filter element of second embodiment, the rigidity block water plate is a steel disc, and first and second retaining rings are steel ring, on the periphery wall of first retaining ring, are arranged with first sealing ring, on the internal perisporium of second retaining ring, are arranged with second sealing ring.
Than prior art, beneficial effect of the present invention is:
The exhalant canal that provides in each filter element in the filtering tank of the present invention with adopt aquaporin; Making that water to be filtered has only behind membrane filtration, could get in the exhalant canal adopts aquaporin; Promptly; Water to be filtered has only behind membrane filtration, could get into adopts aquaporin, can only in exhalant canal, not flow and can't get into and adopt aquaporin through the water of membrane filtration, thereby filtering tank of the present invention is when filtered water; Filter the remaining residue in back and can only remain on the filter membrane, this makes that residual dirt becomes easy when filtering in the cleaning and filtering jar.Rolled film in the prior art; Because water to be filtered gets into from an axial end of rolled film; Residue when this causes filtering not only remains on the filter membrane of rolled film and also remains on the filter screen of rolled film, is difficult for cleaning and cleaning sordid defective thereby exist.
And the exhalant canal by in all filter elements that filtering tank provides constitutes, axis that center on water gathering tube penetrates the water stream channel of filter core, for flushing remains in the lip-deep dirt of filter membrane enough flushing spaces is provided, and makes that cleaning dirt is more prone to.Especially direct contact situation very close to each other between the filter element in the rolled film, to obtain the effect that is easy to wash more remarkable for water stream channel among the present invention.
Because filtering tank has some solid particles (naked eyes are visible or invisible) and remained on the filter membrane of filter core in filter process; Driving tank body provided by the present invention is with respect to the vibrating device of vibration of supports; Made filter core vibrate with tank body; The swing mechanism that the driving tank body that is provided is swung with respect to the pivot center of bearing around tank body together with filter core excessively wherein; This swing makes these solid particles on filter membrane, beat with the compound motion of vibration, thereby can prevent the obstruction of these solid particles to filter membrane.Residual dirt was more prone to and the solid particle that produces can prevent to filter the time stopped up the filter membrane of filter core when so far, filtering tank of the present invention not only can make cleaning and filtering.
In more detail, from following two kinds of situations part beneficial effect of the present invention is described:
1. adopting with plane rigidity block water plate and first filter screen and first filter membrane that stack gradually on block water plate one side for filter element among the present invention is the situation of stack of laminations:
(1) owing to the zone of first filter membrane between first and second retaining rings as filter membrane is the water inlet of accepting water to be filtered; This moment, first filter screen constituted the aquaporin of adopting of the current direction water gathering tube of confession after first filter membrane filters; Therefore; Residual dirt can only remain on the surface of first filter membrane when water to be filtered filtered through this filter element, and can't remain on first filter screen, therefore was convenient to clean dirt.
(2) again because first filter membrane, first and second retaining rings and each sleeve constitute with first filter membrane together is the bottom surface and is the exhalant canal of delivery port with each sleeve; This exhalant canal makes in per two the such filter elements that stack together up and down; The plane rigidity block water plate that first filter membrane of the filter element below being positioned at can not be positioned at the filter element of its top directly contacts; But it is gapped; Therefore this exhalant canal provides enough flushing spaces with regard to the dirt that remains on first filter membrane surface for flushing, makes that cleaning dirt is more prone to.Filter element directly closely contact each other in the prior art rolled film, this effect is obvious.
(3) be made as double-layer structure when first filter screen; And when this double-layer structure is made up of ground floor filter screen and second layer filter screen; Even the pressure that puts on first filter membrane when water to be filtered causes first filter membrane depression when stopping up the ground floor filter screen; Second layer filter screen can be owing to the depression of filter membrane not be stopped up, thereby the unobstructed aquaporin of adopting still can be provided.
2. adopt with plane rigidity block water plate, stack gradually first filter screen and first filter membrane on block water plate first side and second filter screen and second filter membrane that stack gradually in block water plate second side are the situation of stack of laminations for filter element among the present invention:
(1) at this moment; First filter membrane and second filter membrane are as the filter membrane of exhalant canal in the filter element; No matter water to be filtered (having certain pressure) is that the zone between first and second retaining rings from first filter membrane gets into, and still gets into from second filter membrane, and residual dirt all remained on the surface of first filter membrane or remains on the surface of first and second filter membranes when this filter element filtered; And can't remain on first filter screen and second filter screen, therefore be convenient to clean dirt.
(2) again because first filter membrane, first and second retaining rings and each sleeve constitute with first filter membrane together is the bottom surface and is the exhalant canal of delivery port with each sleeve; This exhalant canal is the exhalant canal in this filter element; Filter membrane between its feasible per two such filter elements that stack together up and down is by exhalant canal spaced apart (that is being gapped rather than direct contact).Therefore, this exhalant canal can provide enough flushing spaces for the dirt that flushing remains on first filter membrane surface and second filter membrane surface, makes that cleaning dirt is more prone to.
(3) because filter element has stacked gradually first filter screen and first filter membrane in first side of rigidity block water plate; Second side at the rigidity block water plate has stacked gradually second filter screen and second filter membrane; Thereby water to be filtered (having certain pressure) can filter respectively from first filter membrane and second filter membrane respectively; This makes the filter ability of filter element increase, and correspondingly the filter capacity of filtering tank increases.
(4) be made as double-layer structure when first filter screen and second filter screen; And when this double-layer structure constitutes by ground floor filter screen and second layer filter screen; Even when water applied pressure to be filtered causes first and second filter membranes depressions with the second layer filter screen of the ground floor filter screen that stops up first filter screen and second filter screen; The second layer filter screen of the two all can not stop up owing to the depression of filter membrane separately, thereby the unobstructed aquaporin of adopting still can be provided.
Description of drawings
Fig. 1 is the cutaway view of an embodiment in the filtering tank of the present invention, wherein shows to drive tank body with respect to the vibrating device of vibration of supports and drive tank body together with wherein crossing filter core around the swing mechanism of tank body with respect to the pivot center reciprocally swinging of bearing;
Fig. 1 a is the enlarged drawing of I portion among Fig. 1, shows the details of swing mechanism;
Fig. 1 b is the simplification schematic diagram in order to swing mechanism in the key diagram 1;
Fig. 2 is a cutaway view of crossing an embodiment of filter core in the filtering tank of the present invention;
Fig. 3 is the cutaway view of an embodiment of the Fig. 2 of having of the present invention filtering tank of crossing filter core, wherein crosses filter core and is contained in the filtering tank;
Fig. 4 is the cutaway view of first embodiment of filter element among the present invention, for the sake of clarity, has omitted second perforation that runs through stack of laminations that should have here;
Fig. 5 is another cutaway view of first embodiment of filter element among the present invention, shows second perforation of having omitted among Fig. 4;
Fig. 6 is the cutaway view of second embodiment of filter element among the present invention;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is six examples that filter element is superimposed for example.
The specific embodiment
Below referring to accompanying drawing the specific embodiment of the invention is described.
Referring to Fig. 1, Fig. 1 a and Fig. 2; Filtering tank of the present invention; Comprise: be supported on tank body 116 on the bearing rotationally, be contained in crossing filter core 100, drive vibrating device and swing mechanism that tank body 116 vibrates on bearing in the tank body 116, this swing mechanism drives tank body 116 and carries out reciprocally swinging around tank body 116 with respect to the pivot center of bearing together with crossing filter core 100.
Served as filter core 100 because above-mentioned vibrating device and swing mechanism; When carrying out this vibration and swing simultaneously; The motion of crossing the solid particle on the filter membrane in the filter core 100 (staying the solid particle on the filter membrane during filtration) is exactly the compound motion of vibration and swing, is referred to as to beat here.Thereby,, just can prevent of the obstruction of these solid particles to filter membrane because solid particle is beated on the filter membrane of crossing filter core.
Referring to Fig. 1, the bearing that supports tank body 116 can be set to: comprising: base 119, be fixed on the gripper shoe 117 on the base 119 through beam 118, that is, the contact position place between gripper shoe 117 and base 119 is provided with beam 118.For tank body 116 is supported on the bearing rotationally, can be fixed with projecting shaft 120 in the outside, the jar end of tank body 116, then projecting shaft 120 is got final product in gripper shoe 117 through the bearing rotational support.
Referring to Fig. 1 a, swing mechanism comprises: have the rotating disk 124 of a circle groove 125, frequency modulation motor 121 and the connecting rod 122 that driving rotating disk 124 rotates.Wherein, an end of connecting rod 122 is fixedly connected with projecting shaft 120, and the other end of connecting rod 122 slides in groove 125 with the rotation of rotating disk 124.
In conjunction with Fig. 1 a and Fig. 1 b, groove 125 is arranged to a circle around the pivot center of rotating disk 124, and this layout should make connecting rod 122 drive projecting shaft 120 swings with the rotation of rotating disk 124.Because: projecting shaft 120 is fixed on the tank body 116, so tank body 116 correspondingly swing, again owing to fix with crossing between the filter core 100 with respect to the axis direction tank body 116 of tank body 116, thus tank body 116 can with filter core 100 swing.From for simplicity, in Fig. 1 b, represent by the filtering tank of swing mechanism swing with H.According to above description, combine Fig. 1 to know again, in this embodiment, when tank body was swung together with the mistake filter core, the axis that this swing centered on was the axis of projecting shaft 120.
In Fig. 1 b, the track of groove 125 is the off-centre operations with respect to the center of circle of rotating disk 124, and this off-centre operation is represented with L with respect to the eccentric throw in the center of circle of rotating disk 124.Arrow among Fig. 1 b is the rotation direction example of rotating disk 124.When rotating disk 124 rotated, therefore groove 125 can drive projecting shafts 120 swings through the connecting rod 122 that slides therein because eccentric with the pivot center of rotating disk 124, thereby realized tank body and the filter core of crossing that is contained in the tank body is swung together.
Should be appreciated that the track of groove 125 is not to be necessary for off-centre operation shown in Fig. 1 b, as long as this track satisfies: have the trajectory shape that connecting rod 122 is swung with the rotation drive projecting shaft 120 of rotating disk 124.Obviously cam that also can fluted 125 trajectory shapes of apparatus replaces rotating disk 124, and rotate and slip on the outward flange of cam with cam as long as guarantee an end (that end that originally in groove, slides) of connecting rod 122 this moment.
As shown in Figure 1, the frequency modulation motor 121 that drives rotating disk 124 can be fixed on the gripper shoe 117, the output shaft of frequency modulation motor 121 is fixedly connected with rotating disk 124, with rotation rotating disk 124.In optimal way, the frequency modulation motor output shaft axially and axially can the overlapping of rotating disk 124.
Further; As shown in Figure 1; Driving tank body 116 can be configured to respect to the vibrating device of vibration of supports: be fixed on a plurality of vibrating motors 126 on the gripper shoe 117, these a plurality of vibrating motors 126 are evenly arranged around the axis of water gathering tube 103 in the outside of said tank body 116.As shown in Figure 1, can gripper shoe 117 be arranged perpendicular to the axis direction of water gathering tube 103.The mode of this even layout vibrating motor can make the axial double vibrations of tank body 116 along water gathering tube.Tank body 116 comprises with respect to the motion of bearing like this: by the vibration of vibrating device driving and the compound motion that is driven by swing mechanism.As another embodiment, vibrating device can be the vibrating motor on the tank deck 109 that is fixed on tank body 116.It will be apparent to those skilled in the art that through the mounting means of adjustment vibrating motor and the angle of regulating two fan sheets in the vibrating motor, can change the size of the direction of vibration and the amplitude of tank body.
In a kind of optimal way, pivot center on bearing of the axis of the axis of projecting shaft 120, water gathering tube 103, tank body 116, tank body 116 axially and the axis of the output shaft of frequency modulation motor 121 and the axis coaxle of rotating disk 124.
In Fig. 2, can find out, cross filter core 100 and have: pass the water gathering tube 103 of tank body 116 and be set in one group of filter element 101 on the pipeline section that is arranged in tank body 116 of water gathering tube 103.For simplicity, passed in and out the part filter element of crossing in the filter core among Fig. 2.
Each filter element 101 has exhalant canal among the present invention, for current to be filtered through and on it flows through the path, be provided with filter membrane; Each filter element 101 also has the aquaporin of adopting, so that the water behind membrane filtration is sent into water gathering tube 103.Thus; Filtering tank of the present invention is in the process of filtered water; Make filtering the residual dirt in back can only remain on the surface of filter membrane and can't get into and adopt in the aquaporin; And the exhalant canal that is adopted provides enough flushing spaces for flushing remains in the lip-deep dirt of filter membrane, so the invention enables the residual soil after the cleaning and filtering to be more prone to.Cross the head and the tail of the exhalant canal in all filter elements connection formation successively water stream channel (following detailed description) in the filter core 100, this water stream channel penetrates filter core 100 around the axis of water gathering tube 103.
Can find out also among Fig. 2 that a port sealing (for example carrying out water-stop through rubber sleeve) of water gathering tube 103, another port open are adopted water out with formation; And on water gathering tube 103, also be provided with radial hole, these radial holes the position of adopting aquaporin of position corresponding to each filter element be set, be communicated with water gathering tube 103 with the aquaporin of adopting each filter element.
Further, also show tank body 116 among Fig. 2 and be the situation of vertical tank, at this moment, cross filter core 100 and be arranged such that in vertical tank the axis of water gathering tube 103 is vertical direction.On water gathering tube 103, be arranged with top board 104 and base plate 106 respectively; Described one group of filter element is clamped between top board 104 and the base plate 106 through long bolt 105; Long bolt passes top board 104, one group of filter element and base plate 106 successively; Wherein the two ends of long bolt 105 are threaded ends, through can this group filter element being clamped between top board and the base plate nut and cooperating of threaded ends.Can adopt for example being connected of spline slot type between filter element and the water gathering tube, this axis that can prevent that filter element from centering on water gathering tube 103 rotates.In Fig. 2; Vertical axis direction along water gathering tube 103; The bottom filter element that has the top filter element that is positioned at its top in this group filter element and be positioned at its bottom; The water inlet of the exhalant canal of top filter element is communicated with first through hole 102 on the top board 104, and the delivery port of the exhalant canal of bottom filter element is communicated with second through hole 108 of base plate 106.
Referring to Fig. 3, the jar in vertical tank is provided with the drain chamber 115 that open-top and bottom are connected with drainpipe 114 end 113, the top of base plate 106 sealing drain chamber 115, and second through hole 108 of base plate 106 constitutes the water inlet of drain chamber 115.The perisporium of drain chamber 115 is with 112 expressions among Fig. 3.
Continuation is referring to Fig. 3, and filtering tank of the present invention also comprises sent water to be filtered into the flow pipe 110 in the filter core, and a port of flow pipe 110 is communicated with first through hole 102 of top board 104, and another port stretches out from the tank deck 109 of vertical tank.
It can also be seen that from Fig. 3 in the tank body 116 that the present invention adopts, tank deck 109 can be from 111 dismountings of jar perisporium with jar end 113, this is convenient to the assembly and disassembly of filtering tank.
For the filter element that filter core adopted of crossing in the filtering tank of the present invention, first embodiment and second embodiment that specify filter element referring to Fig. 4-Fig. 8 are following:
[first embodiment of filter element]
For the ease of being expressly understood filter element among the present invention, earlier referring to the omission of Fig. 4 the view description of second perforation (being shown specifically) at Fig. 5, the filter element that combines Fig. 5 to show second perforation is more intactly described.
Referring to shown in Figure 4, in this embodiment, filter element comprises: stack of laminations is formed by the plane rigidity block water plate that stacks gradually from top to bottom 1, first filter screen 2 and first filter membrane 7; First perforation 5 that runs through stack of laminations and pass by water gathering tube 103 (Fig. 2 illustrates); First retaining ring 6 and second retaining ring 9, these two retaining rings all are layered on first filter membrane 7, and first retaining ring 6 is in the enclosing region of second retaining ring 9; And first perforation 5 enclosing region that is positioned at first retaining ring 6.
The rigidity block water plate 1 that is adopted is in order to make this filter element have rigidity, can prevent filter element owing to the effect of hydraulic pressure in the filter process is subsided that the rigidity that is had guarantees that a plurality of such filter elements can use from top to bottom with stacking gradually.As a kind of optimal way, rigidity block water plate 1 can be a steel disc.Again, rigidity block water plate 1 has the first relative side and second side, can think that it is the first above-mentioned side that rigidity block water plate 1 range upon range of has a side of first filter screen 2 and second filter membrane 7.
Obviously; In Fig. 4; Rigidity block water plate 1 can be set to have first wafer architecture of first diameter; First filter screen 2 and first filter membrane 7 all can be set to have second wafer architecture of second diameter, and wherein first diameter is greater than second diameter, and on rigidity block water plate 1, are provided with around a plurality of fixing holes 3 of first filter screen 2 with first filter membrane, 7 layouts.
Also show among Fig. 4, on the periphery wall of first retaining ring 6, be arranged with first sealing ring 4, to prevent that occurring water between first retaining ring 6 and first filter membrane 7 leaks; On the internal perisporium of second retaining ring 9, be arranged with second sealing ring 8, to prevent that occurring water between second retaining ring 9 and first filter membrane 7 leaks.Should be appreciated that first retaining ring 6, second retaining ring 9 all can be rigid members, for example all can be steel rings; First and second sealing rings can be silicon rubber loops for example.
In addition, aforementioned first filter screen 2 can be single layer structure (example is as shown in Figure 4), but also can be sandwich construction.For example, first filter screen 2 can be set to double-layer structure, is made up of ground floor filter screen stacked together and second layer filter screen.Particularly, the ground floor filter mesh layer is stacked on the block water plate 1, and first filter membrane 7 is layered on the second layer filter screen, and the mesh size of ground floor filter screen is greater than the mesh size of second layer filter screen.In brief, the ground floor filter screen can be referred to as coarse net, second layer filter screen can be referred to as fine-structure mesh.Adopt the advantage of ground floor filter screen and second layer filter screen to be; Even the pressure that puts on filter membrane when water to be filtered causes the filter membrane depression when stopping up the ground floor filter screen; Second layer filter screen can be owing to the depression of filter membrane not be stopped up, thereby the unobstructed aquaporin of adopting still can be provided.
As shown in Figure 5, filter element should have second perforation 17 in the present embodiment.In first and second retaining rings 6, zone between 9, be provided with a plurality of second perforation 17 that run through stack of laminations; Each second perforation is arranged with sleeve 10 in 17, and between the part of exposing from second perforation 17 of first filter screen 2 and the sleeve 10 and be water-stop between the part of exposing from second perforation 17 of first filter membrane 7 and the sleeve 10 and be connected.At this moment, first filter membrane 7, first and second retaining rings 6,9 and each sleeve 10 constitute together with first filter membrane 7 and are the bottom surface and are the exhalant canal of delivery port with each sleeve 10.The filter membrane of mentioning when obvious first filter membrane 7 is used as aforementioned description filtering tank in exhalant canal.
Continuation is referring to Fig. 5, in the present embodiment, filter element in order to accept the water inlet of water to be filtered, be exactly first filter membrane 7 in first and second retaining rings 6, zone between 9.When filtered water; Because the existence of first retaining ring 6 and second retaining ring 9, because the water-stop between the part of exposing from second perforation 17 of sleeve 10 and first filter screen 2 is connected and being connected from second water-stop of boring a hole between 17 parts exposed owing to sleeve 10 and first filter membrane 7; Therefore; Water to be filtered can only could get in first filter screen 2 (can directly get into first filter screen through the filtration of first filter membrane 7) after first filter membrane 7 filters, flow into (i.e. the water of acquisition after 7 filtrations of first filter membrane) in the water gathering tube 103 with first filter screen 2 for adopting aquaporin then.So residual soil can only be present on first filter membrane 7 and can not be present in first filter screen 2 during filtration; Part as for not filtered by first filter membrane 7 in the water to be filtered can flow in above-mentioned exhalant canal owing to the effect of hydraulic pressure, after sleeve 10 outflows.Both can drain, also can flow to another identical filter element as required from the water of sleeve 10 outflows proceeds to filter.
Further; Above-mentioned exhalant canal is owing to the existence of first and second retaining rings 6,9 has certain degree of depth; This degree of depth is exactly the height (under the desirable situation, the height that these two retaining rings exceed first filter membrane is identical) that first and second retaining rings exceed first filter membrane 7.Like this, exhalant canal just provides enough flushing spaces for flushing remains in first filter membrane, 7 lip-deep dirts, makes that further dirt is more prone to clean.
From Fig. 5, also can find out,, can sleeve be fixed in second perforation 17 as follows in order to make that above-mentioned exhalant canal can be a delivery port with sleeve 10.Particularly, an axial end of each sleeve 10 is configured to be pressed on first flanging on first filter membrane 7, another axial end of each sleeve 10 is configured to be pressed on second flanging on the block water plate 1.And first retaining ring 6 exceeds the height of first filter membrane 7 and the height that second retaining ring 9 exceeds first filter membrane 7, all should exceed the height of first filter membrane 7 greater than first flanging.Certainly, should be appreciated that, guarantee the water-stop between first flanging and first filter membrane 7.
Filter element for crossing filter core in the filtering tank adopts; One group of above-mentioned filter element is set in the situation on the water gathering tube with superposeing successively: for from top to bottom successively per two such filter elements of stack (for ease of describing; Distinguish with first filter element that is positioned at the below and second filter element that is superimposed on first filter element); Be spaced apart from each other owing to first and second retaining rings in first filter element between the location between first and second retaining rings in first filter element of first filter membrane in first filter element, first filter membrane of first filter element and the rigidity block water plate of second filter element rather than directly contact each other.Thereby the dirt (can only remain on the surface of first filter membrane in the present embodiment) that remains on first filter membrane for cleaning provides cleaning space.Cross for the filter core situation for above-mentioned, it should also be understood that: first sealing ring of first filter element should be able to guarantee to realize water-stop between the rigidity block water plate of first retaining ring and second filter element of----first filter element; Second sealing ring of first filter element should be able to guarantee to realize water-stop between the rigidity block water plate of second retaining ring and second filter element of----first filter element.
[second embodiment of filter element]
Referring to Fig. 6 and Fig. 7, second embodiment of filter element is described.This embodiment is the improvement of on the first embodiment basis of filter element, carrying out, and representes identical parts with Fig. 4 same numeral among Fig. 6.
When the side that stacks gradually first filter screen 2 and first filter membrane 7 with plane rigidity block water plate 1 is defined as first side; When the opposite side relative with first side of block water plate 1 is defined as second side; Second embodiment is than the difference of first embodiment: second embodiment has also stacked gradually second filter screen 11 and second filter membrane 12 in second side of block water plate 1; Promptly; Variation has taken place in the stack of laminations of filter element among second embodiment at this moment, and it also comprises second filter screen 11 and second filter membrane 12.
For with first embodiment in second perforation 17 distinguish, with second perforation among label 17 ' expression second embodiment.For with first embodiment in first perforation 5 differentiate, first perforation that runs through stack of laminations among this embodiment indicates with 5 '.For distinguishing with first embodiment, each second perforation, 17 ' middle sleeve is denoted as 10 '.
In the filter element of second embodiment; First and second filter screens 2,11 and first and second filter membranes 7,12 all expose from the internal perisporium of first perforation 5 '; First filter screen 2 constitutes first water transport channel of the water of confession after first filter membrane 7 filters from first perforation, 5 ' inflow water gathering tube 103, and second filter screen 11 constitutes second water transport channel of the water of confession after second filter membrane 12 filters from first perforation, 5 ' inflow water gathering tube 103.This first water transport channel and second water transport channel constitute the aquaporin of adopting of the water after this filter element filtration being sent into water gathering tube together.
In the filter element of second embodiment; First and second filter screens 2,11 from each second perforation, 17 ' part of exposing all with sleeve 10 ' between water-stop be connected, first and second filter membranes 7,12 from each second bore a hole the 17 ' part exposed all with sleeve 10 ' between water-stop be connected.At this moment, first filter membrane 7, first and second retaining ring 6,9 and each sleeve 10 ' constitute together with first filter membrane 7 and are the bottom surface and are the exhalant canal of delivery port with each sleeve 10 '.Filter membrane in the exhalant canal of mentioning when obviously, first filter membrane and second filter membrane constitute aforementioned description filtering tank together.
In the filter element of second embodiment; Be made as the situation of flange respectively for 10 ' two axial ends of each sleeve; An axial end of sleeve 10 ' is configured to be pressed in first flanging on first filter membrane 7, and another axial end of sleeve 10 ' is configured to be pressed in second flanging on second filter membrane 12.
Similar with first embodiment, any one both can be that single layer structure also can be a sandwich construction in first filter screen and second filter screen among second embodiment.
All the other parts of not describing among second embodiment, identical with the description in above-mentioned first embodiment, repeat no more.
For ease of further understanding water to be filtered at the flow path of crossing filter core; The one group of filter element that filter core adopted of crossing that Fig. 8 shows in the filtering tank is: the filter element of a plurality of (for example 6) second embodiment is set in the situation on the water gathering tube with superposeing successively, has wherein omitted water gathering tube among Fig. 8 for simplicity.
Represent 6 filter elements that stack together successively with A1, A2, B, A3, A4, C among Fig. 8, wherein, the structure of filter element A1, A2, A3, A4 is identical, and two second perforation are arranged; The difference of filter element B and filter element A1-A4 is the position and the quantity of second perforation; The difference of filter element C and filter element B is the position of second perforation.When these 6 filter elements such as Fig. 8 are arranged, between the exhalant canal of these six filter elements each other head and the tail be communicated with, water to be filtered in the exhalant canal that this is communicated with from beginning to end around water gathering tube axially flowing in a zigzag, move down along the vertical axis of water gathering tube.Zigzag flow path arrows M1, M2, M3, the M4 of water to be filtered represent particularly.In Fig. 8; Water to be filtered flows from arrow M1 direction straight down; Transfer then to flow to the right, flow straight down along arrow M3 direction again, then flow left along arrow M4 level along arrow M2 direction level; Then mobile again along being directed downwards of arrow M5, form one section flexuose flow path by this.Along with the increase of filter element quantity, and suitably adjust the quantity and the position of second perforation, just can so that water to be filtered along zigzag course footpath, along the axial direction straight down of water gathering tube always toward current downflow, till the hope termination.Obviously for crossing filter core, the final water stream channel that forms of all exhalant canals is the axis zigzag passage straight down around water gathering tube.Cross the filtration behavior of filter core, in the flow process of water stream channel, take place at water to be filtered.
With filter element A1, A2 among Fig. 8 is example; The filtration behavior is following in these two filter elements: the first time, filtration was: water to be filtered is after first and second filter membranes that filter unit A1 filter, and first filter screen of warp filtration unit A1 and second filter screen are bored a hole from first of filter element A1 and flowed to water gathering tube; Filter the second time: water to be filtered is after first and second filter membranes that filter unit A2 filter, and first filter screen of warp filtration unit A2 and second filter screen flow to water gathering tube from first perforation of filter element A2.From Fig. 8, also can find out: the filter membrane of below among the filter element A1, with the filter membrane of top among the filter element A2 each other in the face of and owing to the existence of first and second retaining rings among the filter element A2 is spaced apart from each other.In brief, be spaced apart from each other between the filter membrane of facing each other between filter element A1 and the filter element A2 rather than directly contact.
The aperture of the filter membrane described in the present invention (comprising first filter membrane, second filter membrane) for example can be the film that 0.0001 μ m or 0.001 μ m etc. can filter molecule (for example can filter salts molecule), also can be can filtering particle and do not filter the film of molecule.
In conjunction with Fig. 3 and Fig. 8, the filter core of crossing that how to clean in the filtering tank of the present invention is described.Particularly; Closed at both ends with water gathering tube 103; With the flushing water that feeds certain pressure (for example the running water of 5 kilograms of pressure etc.), flushing water advances along water stream channel, and residual dirt on all filter membrane surfaces in the water stream channel is washed away from flow pipe 110; Last flushing water flows into the drain chamber 115 together with the outlet of dirt from water stream channel, discharges through the drainpipe 114 of drain chamber 115 bottoms again.Need to prove; This flushing; The back flush of rolled film in the prior art, this flushing of the present invention just belongs to washes, and the water yield of flushing water ingoing stream passage is identical with the water yield that from water stream channel, flows out at last; Because in whole flushing process (that is the water-stop) of the closed at both ends of water gathering tube.Obviously, what the situation during with filtered water was different is, the adopt water out of the one end water-stop other end of water gathering tube for opening wide during filtered water, and two ports of water gathering tube all are water-stops during flushing.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. a filtering tank is characterized in that, comprising:
Be supported on the tank body (116) on the bearing rotationally;
Drive the vibrating device that said tank body (116) vibrates on said bearing;
Be contained in the filter core (100) excessively in the said tank body (116); And
Drive said tank body (116) and center on the swing mechanism of said tank body (116) with respect to the pivot center reciprocally swinging of said bearing together with the said filter core (100) of crossing;
Wherein, the said filter core (100) of crossing has the one group of filter element (101) on water gathering tube (103) that passes said tank body and the pipeline section that is arranged in said tank body that is set in said water gathering tube (103),
Wherein, each filter element (101) have supply current to be filtered through and on the said path of flowing through, be provided with the exhalant canal of filter membrane and the aquaporin of adopting that will send into said water gathering tube through the water behind the said membrane filtration,
Wherein, saidly cross that the said exhalant canal head and the tail in all filter elements are communicated with successively in the filter core (100), and constitute around the axis of said water gathering tube (103) and run through the said water stream channel of crossing filter core.
2. filtering tank according to claim 1 is characterized in that, said bearing comprises: base (119), be fixed on the gripper shoe (117) on the said base (119),
Wherein, be fixed with projecting shaft (120) in the jar end outside of said tank body (116), said projecting shaft (120) through bearings in said gripper shoe (117), with said tank body (116) rotational support on said bearing.
3. filtering tank according to claim 2 is characterized in that, said swing mechanism comprises:
Be fixed on the frequency modulation motor (121) on the said gripper shoe (117);
Rotating disk (124) by the output shaft of said frequency modulation motor (121) rotates is provided with the groove (125) of a corral around the pivot center of said rotating disk (124) on said rotating disk (124); And
Connecting rod (122), the one of which end is fixedly connected with said projecting shaft (120), and the other end slides in said groove (125) with the rotation of said rotating disk (124);
Wherein, The pivot center around said rotating disk of said groove (125) is arranged; And the layout Trajectory Design of said groove becomes to have to make said connecting rod to drive the shape that said projecting shaft is swung with the rotation of said rotating disk, and the axis that said swing centers on is the axis of said projecting shaft (120).
4. filtering tank according to claim 3 is characterized in that,
Said vibrating device is for to be fixed on a plurality of vibrating motors (116) on the said gripper shoe (117), and the contact position place between said gripper shoe (117) and said base (119) also is provided with beam (118),
Wherein, said a plurality of vibrating motors (116) arrange evenly that around the axis of said water gathering tube (103) said gripper shoe (117) is arranged to the axis direction perpendicular to said water gathering tube in the outside of said tank body (116).
5. filtering tank according to claim 3 is characterized in that,
Said vibrating device is the vibrating motor on the tank deck (109) that is fixed on said tank body (116).
6. filtering tank according to claim 1 is characterized in that,
A port sealing of said water gathering tube (103), another port open of said water gathering tube (103) is adopted water out with formation; And,
In the said position of adopting aquaporin corresponding to each filter element (101) of said water gathering tube (103), be provided with and adopt the radial hole that aquaporin is communicated with said water gathering tube said.
7. filtering tank according to claim 6 is characterized in that,
Said tank body (116) is a vertical tank, and the said filter core (100) of crossing is arranged such that in said vertical tank the axis of said water gathering tube is vertical direction.
8. filtering tank according to claim 7 is characterized in that,
On said water gathering tube (103), be arranged with top board (104) with first through hole (102) and base plate (106) respectively with second through hole (108), this group filter element is clamped between said top board and the said base plate,
Wherein, along the vertical axis direction of said water gathering tube, the bottom filter element that has the top filter element that is positioned at its top in this group filter element (101) and be positioned at its bottom,
Wherein, the water inlet of the said exhalant canal of said top filter element is communicated with said first through hole (102), and the delivery port of the said exhalant canal of said bottom filter element is communicated with said second through hole (108).
9. filtering tank according to claim 8 is characterized in that,
Jar in said vertical tank is provided with the drain chamber (115) that open-top and bottom are connected with drainpipe (114) end,
Wherein, said base plate (106) seals the top of said drain chamber (115), and second through hole (108) of said base plate (106) constitutes the water inlet of said drain chamber (115).
10. filtering tank according to claim 9 is characterized in that,
Also comprise water to be filtered is sent into the said flow pipe of crossing in the filter core (110), a port of said flow pipe (110) is communicated with first through hole (102) of said top board (104), and another port stretches out from the tank deck of said vertical tank.
11., it is characterized in that each said filter element comprises according to each described filtering tank among the claim 1-10:
Stack of laminations is formed by plane rigidity block water plate (1) and first filter screen (2) that on a side of said plane rigidity block water plate (1), stacks gradually and first filter membrane (7), and said first filter membrane (7) is as said filter membrane;
First and second retaining rings (6,9) all are layered on said first filter membrane (7), and said second retaining ring (9) surrounds said first retaining ring (6);
Run through said stack of laminations and by first perforation (5) that said water gathering tube (103) passes, be positioned at the enclosing region of said first retaining ring (6), said first filter screen (2) and said first filter membrane (7) expose from the internal perisporium of said first perforation (5);
A plurality of second perforation (17) that are arranged with sleeve (10), all second perforation (17) are positioned at the zone between said first and second retaining rings (6,9), and all run through said stack of laminations;
Wherein, first filter membrane said first filter screen (2) and said (7) from each said second part of exposing of perforation (17), with said sleeve (10) between water-stop be connected,
Wherein, Said first filter membrane (7), said first and second retaining rings and each sleeve; Constitute said exhalant canal together; Said exhalant canal is the bottom surface with said first filter membrane (7) and is delivery port, is the water inlet of accepting water to be filtered with the zone between said first and second retaining rings of said first filter membrane (7) that with each sleeve (10) said first filter membrane (7) constitutes the said filter membrane in the said exhalant canal
Wherein, said first filter screen (2) constitutes and saidly to adopt aquaporin and locate to be communicated with said water gathering tube (103) in said first perforation (5).
12. filtering tank according to claim 11 is characterized in that,
An axial end of each said sleeve (10) is configured to be pressed in first flanging on said first filter membrane (7), and another axial end is configured to be pressed in second flanging on the said block water plate (1),
Wherein, said first retaining ring (6) exceeds the height of said first filter membrane (7) and the height that said second retaining ring (9) exceeds said first filter membrane (7), all exceeds the height of said first filter membrane (7) greater than said first flanging.
13. according to each described filtering tank among the claim 11-12, it is characterized in that,
Said first filter screen (7) is a double-layer structure, is made up of ground floor filter screen stacked together and second layer filter screen, and the mesh size of said ground floor filter screen is greater than the mesh size of said second layer filter screen,
Wherein, said ground floor filter mesh layer is stacked on the said block water plate (1), and said first filter membrane (7) is layered on the said second layer filter screen.
14. according to each described filtering tank among the claim 11-12, it is characterized in that,
Said rigidity block water plate (1) is a steel disc, and said first and second retaining rings (6,9) are steel ring, on the periphery wall of said first retaining ring (6), are arranged with first sealing ring (4), on the internal perisporium of said second retaining ring (9), are arranged with second sealing ring (8).
15., it is characterized in that each said filter element comprises according to each described filtering tank among the claim 1-10:
Stack of laminations; By plane rigidity block water plate (1), stack gradually at first filter screen (2) on first side of said block water plate (1) and first filter membrane (7) and second filter screen (11) and second filter membrane (12) that stack gradually on second side of said block water plate (1) and constitute together; Said first side and said second side are the relative both sides of said block water plate (1), and said first filter membrane (7) and said second filter membrane (12) constitute said filter membrane together; And
First and second retaining rings (6,9) all are layered on said first filter membrane (7), and said second retaining ring (9) surrounds said first retaining ring (6);
First perforation (5 ') that runs through said stack of laminations and pass by said water gathering tube (103); Be positioned at the enclosing region of said first retaining ring (6), said first and second filter screens (2,11) and said first and second filter membranes (7,12) all expose from the internal perisporium of said first perforation (5 ');
A plurality of second perforation (17 ') that are arranged with sleeve (10 '), all second perforation (17 ') all run through said stack of laminations and are positioned at zone between said first and second retaining rings (6,9);
Wherein, first and second filter membranes said first and second filter screens and said from each said second part of exposing of perforation (17 '), all with said sleeve (10 ') between water-stop be connected,
Wherein, Said first filter membrane (7), said first and second retaining rings (6,9) and each sleeve (10 ') constitute said exhalant canal together; Said exhalant canal is the bottom surface with said first filter membrane (7) and is delivery port, is the water inlet of accepting water to be filtered with the zone between said first and second retaining rings of said first filter membrane (7) with each sleeve (10 ')
Wherein, Said first filter screen (2) constitutes first water transport channel and locates to be communicated with said water gathering tube (103) in said first perforation (5 '); Said second filter screen (11) constitute to supply the water after said second filter membrane (12) filters to flow to second water transport channel of said water gathering tube (103) from said first perforation (5 '), and said first water transport channel and said second water transport channel constitute the said aquaporin of adopting together.
16. filtering tank according to claim 15 is characterized in that,
An axial end of each said sleeve (10 ') is configured to be pressed in first flanging on said first filter membrane (7), and another axial end is configured to be pressed in second flanging on said second filter membrane (12),
Wherein, said first retaining ring (6) exceeds the height of said first filter membrane (7) and the height that said second retaining ring (9) exceeds said first filter membrane (7), all exceeds the height of said first filter membrane (7) greater than said first flanging.
17. according to each described filtering tank among the claim 15-16, it is characterized in that,
Said first filter screen (2) and second filter screen (11) are double-layer structure, vertically stack gradually together ground floor filter screen and second layer filter screen formation away from the direction of said block water plate (1) by the edge,
Wherein, the mesh size of said ground floor filter screen is greater than the mesh size of said second layer filter screen.
18. according to each described filtering tank among the claim 15-16, it is characterized in that,
Said rigidity block water plate (1) is a steel disc, and said first and second retaining rings (6,9) are steel ring, on the periphery wall of said first retaining ring (6), are arranged with first sealing ring (4), on the internal perisporium of said second retaining ring (9), are arranged with second sealing ring (8).
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| CN104787915A (en) * | 2015-04-05 | 2015-07-22 | 谢洁萍 | Two-stage rotating purification device |
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