CN1118279A - An apparatus and method for purifying water - Google Patents
An apparatus and method for purifying water Download PDFInfo
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- CN1118279A CN1118279A CN95108311A CN95108311A CN1118279A CN 1118279 A CN1118279 A CN 1118279A CN 95108311 A CN95108311 A CN 95108311A CN 95108311 A CN95108311 A CN 95108311A CN 1118279 A CN1118279 A CN 1118279A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0006—Settling tanks provided with means for cleaning and maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0024—Inlets or outlets provided with regulating devices, e.g. valves, flaps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2433—Discharge mechanisms for floating particles
- B01D21/2438—Discharge mechanisms for floating particles provided with scrapers on the liquid surface for removing floating particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/02—Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
A multi-stage apparatus for continuous waste water filtration, comprises a first tank provided with a waste water containing suspended solids to the tank; a second tank receiving the mixture from the outlet pipe, the second tank being sufficiently large to allow settling of the larger suspended solids and being provided with a lower, openable port for discharge of settled solids and having an upper weir for discharge of partially-cleared water; and a continuously-driven, perforated belt, having a surface positioned to receive, enable the passage of clear water therethrough while retaining fine solids on the surface; furthermore, comprises water collecting tank and solid collecting storehouse. The invention also provides a method for continuous filtration of waste or potable water.
Description
The apparatus and method that the present invention relates to purify waste water.
Particularly, the present invention relates to the apparatus and method of low cost, multistage clarification sewage and drinking water, and the scheme that blockage problem can turn round described device continuously of filtering that solves is provided.
Because supply falls short of demand day by day for Increase of population and clear water, many research work be devoted to develop purify be not suitable for irrigating, the method and apparatus of industry or domestic water.The research work of described purification is usually directly at seawater, brackish water or sewage.
Though contaminated clear water is unlike seawater that works endless obtaining, because remove 3.5% dissolved salts than from seawater easy from wherein removing suspended solid, thereby realize that the expense of its purification is lower.In addition, almost there are not several places the direct discharging of sewage can not to be polluted problem.The factory that can effectively handle this effluent will produce spendable water and fertilizer or animal feed product, but also can prevent the pollution of underground water or beach water.
Clarification (first step of wastewater purification) needs the filtration operation usually at least one.The frequent filter that uses must regularly clean or replace to prevent obstruction.(for example be used under the situation of the industry and the oil strainer of vehicle) in the application of having only small amount of solid to remove, displacement is a kind of feasible selection.Yet, be essential in large-scale cleaning of using filter in (for example water purification).Though can adopt cheap, a large amount of filter mediums (for example sand), the labour intensity of its displacement is big, and exists the handling problems of contaminated medium.In addition, may have certain value after intact solid that filters out or the further processing, still, because the described value of disposal of filter medium is lost thereupon.
The commonsense method of cleaning filter is to stop filter operation, and with the filter dismounting, cleans or handle by means chemistry or hyperacoustic.
The method of another kind of cleaning filter comprises the flow direction of regular transcoding filter machine, to move and to remove the mud of accumulation.Adopt compressed air to produce bubble, solid particle is discharged in the liquid stream, can reach same purpose.
The advantage of defecator is not stop up, and the required energy minimum of its operation, and still, this groove needs very big floor space could clarify all particles except that the largest particles effectively, and this method rinse bath that stops of finally having to.Unless the described particle of removing from fluid is heavier than this fluid, defecator is not suitable for being used for removing granule.
Though the manufacturing and the operating cost of filter centrifugal are more expensive than defecator, its floor space is littler than described defecator, also can be used for filtering.The solid heavier than water is subjected to action of centrifugal force, is squeezed on the centrifuge porous drum wall of lining with filter medium, and primary water promptly discharges from the center of this rotating cylinder.Yet filter centrifugal often stops up, thereby needs displacement or cleaning.
Said method also has some shortcomings: can not realize continuous clarification of water; For cleaning filter needs the sizable big machinery of utilization and operation energy consumption for example air compressor and pump.
One of purpose of the present invention provides a kind of purifying liquid waste or the apparatus and method of drinking water, wherein, can realize continued operation, and can avoid the filter blocking problem.
Another object of the present invention provides a kind of device of purifying liquid waste that adopts medium-sized mechanical movement, and this device is reliable, save energy, and construction and operating cost are moderate.
Can realize above-mentioned purpose of the present invention by the device that a kind of multistage continuous filtration of waste is provided, this device comprises: first groove, the waste water inlet tube and the major diameter outlet that infeed described groove in order to the water that will contain suspended solid have been installed on it; Second groove, in order to accept the described mixture from above-mentioned outlet, described second groove is enough to make bigger suspended solid sedimentation quite greatly, the bottom of this groove the outlet that can open of discharging settle solids has been installed and have the discharge unit primary water on downflow weir; The porous belt of Continuous Drive, this belt has the surface of current of accepting the part clarification of described discharging in first spots localization, the size of this punch holes according to can allow primary water by and can block described lip-deep fine-grained solids so that determine in the discharging of second position subsequently; In addition, feeder has been installed in order to collect water, at described second position solid collection storehouse has been installed, in order to be collected in the particle that second position falls from described belt by described punch holes in bottom, described first position.
In a preferred embodiment of the invention, provide a kind of device of aforesaid multistage continuous filtration of waste, wherein said second groove has inverted truncated prism shape.
In most preferred embodiment of the present invention, a kind of device of aforesaid multistage continuous filtration of waste is provided, wherein said porous belt is by being positioned at the water-bath at second position.
In particularly preferred embodiment of the present invention, a kind of device of multistage continuous filtration of waste is provided, wherein said second groove has disposed skimming tool, is used for removing from floating, suspended solid that water surface will be contained in wherein.
In other embodiments of the present invention, described multilevel device also comprises a measuring pump, is used for flocculant is sneaked in the waste water of introducing described first groove, and described first groove has also been installed the impeller that is immersed in the described waste water.
The present invention also provides the method for continuous filtration of waste, and this method may further comprise the steps: the waste water that (a) will contain suspended solid is sent into first groove; (b) flocculant is added in the described waste water; (c) flocculant is sneaked in the described waste water; (d) mixture of gained is sent into second groove of wedged bottom; (e) solid of accumulating from the described second groove regular discharge by the door of opening its underpart; (f) water that will part clarification is by the last downflow weir overflow of described second groove, makes it drop to porous and moves and filter on the belt; (g) collect the water that has filtered by described mobile belt; (h) from the surface of described mobile belt and hole, solid particle is removed.
Therefore can realize, new device of the present invention can prevent that by removing bigger solid particle and clean the porous belt before filtration on the basis of running continuously filter from stopping up.
The whole system of purifying waste water also comprises the other member for example as facility, chlorination treating stations and other optional facility of the storage pond of buffer unit, drying and processing solid waste, for example oxygen is added to the device of injector in the water, the cold lime method demineralized water of employing and meets other device of existing special water quality standard-required according to the purposes of processed water.These members are known in the present technique field, do not belong to part of the present invention.
United States Patent (USP) U.S.5,1657, a kind of dense and dewatering of pulpous state mud is disclosed in 821, this method comprises following steps: flocculant is added in the mud, stir the mixture of gained, filter floccule body, remove filtrate with the movable filter bed, with injector cleaning and filtering bed, with cleaning shoe floccule body is removed from belt then.
United States Patent (USP) U.S.4,707,272; 4,358,381; 4,078129; 4,110,209; All narrated the method for filtering mud and purifying liquid waste in 4,309,291 and 2,361,283; Yet described these patents had not both been told about and had not been inspired concrete grammar of the present invention and device yet.
Will be with reference to some preferred embodiment relevant to the more abundant understanding of the present invention with following key diagram.
Now, consult following each figure in detail, details shown in it is emphasized that all is by embodiment and just to the discussion to explaining property of the preferred embodiment of the invention, simultaneously, also to be considered to the most practical and to be easy to understand principle of the present invention and overview proposes in order to provide.Therefore, do not intend exceeding basic understanding needs of the present invention, illustrate in greater detail CONSTRUCTED SPECIFICATION of the present invention, how to implement in practice and take description of drawings to make those skilled in the art that be well understood to types more of the present invention.
In the following accompanying drawing: Fig. 1 is the diagrammatic view of the preferred embodiment of apparatus of the present invention; Fig. 2 is the enlarged drawing of the porous belt when it appears at first position; Fig. 3 is the enlarged drawing of the porous belt when it appears at second position; Fig. 4 is used to separate the diagrammatic view of the truncated prism shape groove of solid greatly; Fig. 5 is the cross-section front view that has assembled the porous belt of multiple cleaning device; Fig. 6 is that diagrammatic view and Fig. 7 of the device of production high quality water is the diagrammatic view that has assembled second groove of removing floating solid skimming tool.
One overlaps the device 10 of multistage continuous filtration of waste as seen from Figure 1.
First groove 12 has assembled in order to the waste water 16 that will contain suspended solid and has infeeded wherein waste water inlet tube 14.First groove 12 has also assembled measuring pump 18, in order to flocculant 20 is sneaked in the waste water 16 of introducing first groove.Add the operating efficiency that flocculant 20 can improve following each operation.
Flocculant 20 can for example suitably be selected cationic PAM, cationic polyamine, cation resinamines and the anion PAM from alum, iron chloride, ferric sulfate, ferrous sulfate, titanium dioxide, lime and polyacrylate.
First groove 12 has assembled the impeller 22 that is immersed in the waste water 16, applies enough power by 24 pairs of impellers 22 of motor, can guarantee that flocculant 20 distributes equably.Groove 12 has assembled outlet 26 in order to the mixture 28 of gained is delivered to subsequent processing.
The mixture 28 that second groove 30 is accepted from the long export distributor 32 that is assemblied in outlet 26 ends.Groove 30 is enough to make 34 sedimentations of bigger solid quite greatly.At least assembled an openable outlet 36 in its underpart in order to regularly, discharge above-mentioned solid 34 and limited amount mixture 28 in short time.The weight of mixture 28 force solid 34 quicken by export 36 and the door 38 of washing cover outlet 36 open discharge.What emphatically point out is that only energy opening and closing door 38 that need be very little can discharge.
Groove 30 has been installed last downflow weir 40, in order to the water 42 of discharge unit clarification.Above-mentioned discharging can alternately be undertaken by exit passageway or screen cloth, yet the major advantage of this downflow weir 40 is not stop up, if adopt moderate flow velocity, also helps to suppress floating solid, prevents that it is discharged into subsequent processing.
The porous belt 44 of Continuous Drive has the surface 46 of the current 42 of the part clarification of accepting discharging in 48 location, first position.Water 42 can still, in the embodiment illustrated, have been installed flow channel for liquids 50 for this purpose directly from downflow weir 40.
Advantageously, the direction shown in belt 44 employing belt pulleys 54 are pressed drives, and the result forms belt sags 52 at first position 48.The water 42 that is discharged on the belt 44 at first position 48 will be held by it and filter on bigger belt area.
The size of punch holes 56 (referring to Fig. 2) according to can allow primary water 58 by and fine-grained solids 60 retaining is determined so that discharging (is shown below the present embodiment first position 48) at second position 62 subsequently on belt surface 46.
Fig. 2 shows the enlarged drawing of the punch holes 56 that presents when belt is in first position 48.As shown in the figure, because the cause of belt sag makes the inlet 70 that enters punch holes 56 more or less dwindle on 46 1 sides of surface, thereby can stop identical with the punch holes 56 approximately solid particle 60 of its diameter to pass through.Should be with this figure and seen the comparing of Fig. 3, in the figure, when it is in second position, arbitrary belt sag will trend towards opening the inlet 70 (facing down at this moment) in hole.As a result, the solid particle 60 that before had been clipped in the punch holes inlet 70 will discharge at second position 62.
Other device of removing solid waste particle from belt 44 will be narrated with reference to Fig. 5 below.
Now, consult Fig. 4, the preferred embodiment of second groove 72 as we can see from the figure, this groove has inverted truncated prism shape.Groove 72 is accepted the mixture 28 from the long export distributor 32 that is assemblied in outlet 26 ends, at this place with the clarifying process of flow velocity reduction to prevent from carrying out in the interference tank 72.Export distributor 32 is assemblied on the position of skew wall 74 belows so that discharging.Water in the groove 72 flows along wall 74 lentamente, and the big solid 34 by flocculant 20 flocculations glides towards door 76.
Fig. 5 shows the preferred embodiment of the porous belt 44 that has assembled cleaning device.Two cleaning shoes 77 contact with belt 44, so that remove solid waste from surface 46.One row's nozzle 78a is at the location, inner surface 80 places of belt 44 atomizing of liquids, air-flow or water, in order to remove solid 60 from punch holes 56 (as seen in Figure 3).Second optional row's nozzle 78b is shown under the belt pulley 54.Nozzle 78b role is that all solids particle that still is close on the belt 44 by second position 62 is removed.Nozzle 78a, 78b need sizable operation energy, thus only other method that provides for example water-bath 82 can not fully clean just use under the situation of punch holes.
Be immersed in the water-bath 82 to supersonic generator 86 of major general, so that solid particle unclamps from punch holes.
Fig. 6 has described the device 88 with device 10 similar multistage continuous filtration of waste, and still, it is to be used for producing the high quality water that for example is used to irrigate the human crops that eats.Device 88 has also assembled defecator 90, is used for accepting before to pass through the water 58 of porous belt 44 filtrations.Require the better for example occasion of domestic water of water quality, the water of before clarifying by defecator 90 can pumped into fine sand filter 92.Because nearly all pollution solid is tentatively removed, the life cycle of filter 92 can prolong, and needn't change.
Fig. 7 is the diagrammatic view of second groove 94, and this groove has assembled skimmer device 96, and floating, the suspended solid 98 that are used for will being contained in wherein from the surface of water 42 are removed.
Skimmer device 96 is suspended on the top of groove 94, and comprises that at least one is partially immersed in the mud scum scraper 100 that also drives by chain 102 along continuous straight runs in the water 42, and chain 102 then drives with electric drive 104.In the embodiment illustrated, this electric drive 104 turns round continuously by identical direction, and has several scrapers 100, and the wall 106 that it scrapes weir scraper 106 1 sides with floating solid 98 and crosses groove 94 enters sedimentation basin 110.
In another embodiment (not shown), this electric drive moves back and forth chain, realizes moving back and forth control by near the limit switch that is positioned at this cell wall.
Slush pump 112, for example the auger conveyor shown in goes mud 114 conveyings of accumulation to further processing from sedimentation basin 110.
Skimmer device 96 significantly reduces the solid supported on the porous belt 44 (accepting the current 42 of the part clarification of second groove 94 discharging) of Continuous Drive.Therefore, make the increase of aquatic products amount and the belt 44 of porous belt 44 be easy to keep clean.
The present invention also provides the method for continuous filtration of waste, and this method may further comprise the steps:
(a) waste water that will contain suspended solid is sent into first groove;
(b) flocculant is added in the described waste water;
(c) flocculant is sneaked in the described waste water;
(d) mixture of gained is sent into second groove of wedged bottom;
(e) solid of accumulating from the described second groove regular discharge by the door of opening its underpart;
(f) partly the water of clarification makes and filters on its mobile belt that drops to porous by the last downflow weir overflow of described second groove;
(g) collect the water that has filtered by described mobile belt; With
(h) from the surface of described mobile belt and hole, solid particle is removed.
Those skilled in the art that obviously understand, and the present invention never is subjected to the restriction of above-mentioned detailed illustrative embodiment, and the present invention can implement and do not break away from its essence or feature by other concrete form.Therefore, embodiment of the present invention can think it all is illustrative and nonrestrictive in all fields, scope of the present invention shows by the annex claim rather than by above-mentioned explanation, and all are included in the implication that is equal to claim and the change in the scope includes therein.
Claims (14)
1. the device of a multistage continuous filtration of waste, this device comprises:
First groove has been installed the waste water inlet tube and the major diameter outlet that infeed described groove in order to the water that will contain suspended solid on it;
Second groove, in order to accept the described mixture from above-mentioned outlet, described second groove is enough to make bigger suspended solid sedimentation quite greatly, the bottom of this groove the outlet that can open of discharging settle solids has been installed and have the discharge unit primary water on downflow weir; With
The porous belt of Continuous Drive, this belt has the surface of current of accepting the part clarification of described discharging in first spots localization, the size of this punch holes according to can allow primary water by and with the fine-grained solids retaining on described surface so that determine in the discharging of second position subsequently;
In addition, feeder has been installed in order to collect water, at described second position solid collection storehouse has been installed, in order to be collected in the particle that second position falls from described belt by described punch holes in bottom, described first position.
2. according to the device of the multistage continuous filtration of waste of claim 1, wherein said second groove has inverted truncated prism shape.
3. according to the device of the multistage continuous filtration of waste of claim 1, wherein at least one cleaning shoe contacts with described belt, and makes its shaped design become can remove solid waste from it.
4. according to the device of the multistage continuous filtration of waste of claim 1, wherein at least one nozzle is located atomizing of liquids to remove solid waste from it on described belt.
5. according to the device of the multistage continuous filtration of waste of claim 1, wherein at least one nozzle is located on described belt and is sprayed compressed air to remove solid waste from it.
6. according to the device of the multistage continuous filtration of waste of claim 1, wherein at least one nozzle is located jet vapor to remove solid waste from it on described belt.
7. according to the device of the multistage continuous filtration of waste of claim 1, wherein said porous belt at described second position by water-bath.
8. according to the device of the multistage continuous filtration of waste of claim 7, the water in the wherein said water-bath can continuously change.
9. according to the device of the multistage continuous filtration of waste of claim 7, wherein at least one supersonic generator is immersed in the described water-bath.
10. according to the device of the multistage continuous filtration of waste of claim 1, wherein said second groove has also assembled skimming tool, is used for removing from floating, suspended solid that water surface will be contained in wherein.
11. the device according to the multistage continuous filtration of waste of claim 1 also comprises a measuring pump, is used for flocculant is sneaked in the waste water of introducing described first groove, described first groove has also been installed the impeller that is immersed in the described waste water.
12. the device according to the multistage continuous filtration of waste of claim 1 also comprises a defecator, is used for accepting the previous water that filters by described belt.
13. the device according to the multistage continuous filtration of waste of claim 11 also comprises a fine sand filter, in order to accept previous water by described defecator clarification.
14. the method for a continuous filtration of waste, this method may further comprise the steps:
(a) waste water that will contain suspended solid is sent into first groove;
(b) flocculant is added in the described waste water;
(c) flocculant is sneaked in the described waste water;
(d) mixture of gained is sent into second groove of wedged bottom;
(e) solid of accumulating from the described second groove regular discharge by the door of opening its underpart;
(f) water that will part clarification is by the last downflow weir overflow of described second groove, makes it drop to porous and moves and filter on the belt;
(g) collect the water that has filtered by described mobile belt; With
(h) from the surface of described mobile belt and hole, solid particle is removed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL110020 | 1994-06-15 | ||
| IL11002094A IL110020A (en) | 1994-06-15 | 1994-06-15 | Apparatus and method for purifying waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1118279A true CN1118279A (en) | 1996-03-13 |
Family
ID=11066239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95108311A Pending CN1118279A (en) | 1994-06-15 | 1995-06-14 | An apparatus and method for purifying water |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1118279A (en) |
| AU (1) | AU688480B2 (en) |
| GB (1) | GB2290985B (en) |
| IL (1) | IL110020A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189053B (en) * | 2005-06-09 | 2011-05-25 | 韦瑟尔有限公司 | Water purification apparatus |
| CN102151434A (en) * | 2011-01-31 | 2011-08-17 | 何晓宁 | Filter tank for removing settled sand, floaters and plankton |
| CN104035359A (en) * | 2014-04-29 | 2014-09-10 | 广东技术师范学院天河学院 | Sewerage pollution discharge and power generation distribution system |
| CN104478132A (en) * | 2014-12-09 | 2015-04-01 | 苏州美生环保科技有限公司 | Sewage treatment equipment |
| CN104740903A (en) * | 2015-03-02 | 2015-07-01 | 金昌元 | Treated water delivery device |
| CN107469437A (en) * | 2017-09-19 | 2017-12-15 | 刘亮亮 | Sewage-treatment plant |
| CN108607269A (en) * | 2018-03-29 | 2018-10-02 | 广东鼎科技有限公司 | The method and system that material containing mud in ceramic raw material is purified |
| CN109499150A (en) * | 2018-12-09 | 2019-03-22 | 湖南涌鑫源环保有限公司 | A kind of filter-pressing device recycling cathode carbon pieces carbon |
| CN111099669A (en) * | 2018-10-29 | 2020-05-05 | 金仁湜 | Waste water treatment device |
| CN111530149A (en) * | 2020-05-21 | 2020-08-14 | 吴增敏 | Sewage treatment device of large-scale sewage treatment station |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19807116A1 (en) * | 1997-12-22 | 1999-06-24 | Roediger Anlagenbau | Process and plant for separating or separating heavy and light materials from a suspension |
| JP2013150215A (en) | 2012-01-20 | 2013-08-01 | Fujitsu Ltd | Moving image decoding device, moving image encoding device, moving image decoding method, moving image encoding method, moving image decoding program, and moving image encoding program |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2173256A (en) * | 1938-10-01 | 1939-09-19 | Us Rubber Co | Method and apparatus for filtering |
| US4309291A (en) * | 1974-02-28 | 1982-01-05 | Massachusetts Institute Of Technology | Method of and apparatus for continuous flow flocculation and clarification |
| DE3036285A1 (en) * | 1980-09-26 | 1982-05-19 | Hoechst Ag, 6000 Frankfurt | METHOD AND DEVICE FOR TREATING WASTE WATER FOR ANALYSIS-TECHNICAL PURPOSES |
| GB2172216B (en) * | 1985-03-14 | 1989-07-19 | Condor Group Plc | Water treatment plant |
| US4855065A (en) * | 1987-12-14 | 1989-08-08 | Keeter Kathy L | Apparatus and process to separate and remove extraneous matter from a liquid stream |
-
1994
- 1994-06-15 IL IL11002094A patent/IL110020A/en not_active IP Right Cessation
-
1995
- 1995-06-01 GB GB9511032A patent/GB2290985B/en not_active Expired - Fee Related
- 1995-06-05 AU AU20510/95A patent/AU688480B2/en not_active Ceased
- 1995-06-14 CN CN95108311A patent/CN1118279A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189053B (en) * | 2005-06-09 | 2011-05-25 | 韦瑟尔有限公司 | Water purification apparatus |
| CN102151434A (en) * | 2011-01-31 | 2011-08-17 | 何晓宁 | Filter tank for removing settled sand, floaters and plankton |
| CN104035359A (en) * | 2014-04-29 | 2014-09-10 | 广东技术师范学院天河学院 | Sewerage pollution discharge and power generation distribution system |
| CN104478132A (en) * | 2014-12-09 | 2015-04-01 | 苏州美生环保科技有限公司 | Sewage treatment equipment |
| CN104740903A (en) * | 2015-03-02 | 2015-07-01 | 金昌元 | Treated water delivery device |
| CN107469437A (en) * | 2017-09-19 | 2017-12-15 | 刘亮亮 | Sewage-treatment plant |
| CN108607269A (en) * | 2018-03-29 | 2018-10-02 | 广东鼎科技有限公司 | The method and system that material containing mud in ceramic raw material is purified |
| CN111099669A (en) * | 2018-10-29 | 2020-05-05 | 金仁湜 | Waste water treatment device |
| CN109499150A (en) * | 2018-12-09 | 2019-03-22 | 湖南涌鑫源环保有限公司 | A kind of filter-pressing device recycling cathode carbon pieces carbon |
| CN111530149A (en) * | 2020-05-21 | 2020-08-14 | 吴增敏 | Sewage treatment device of large-scale sewage treatment station |
Also Published As
| Publication number | Publication date |
|---|---|
| AU688480B2 (en) | 1998-03-12 |
| IL110020A0 (en) | 1994-10-07 |
| GB2290985B (en) | 1998-07-01 |
| AU2051095A (en) | 1995-12-21 |
| IL110020A (en) | 1999-07-14 |
| GB9511032D0 (en) | 1995-07-26 |
| GB2290985A (en) | 1996-01-17 |
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