CN103951058A - Combined-flow filtration purification system and application thereof - Google Patents
Combined-flow filtration purification system and application thereof Download PDFInfo
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- CN103951058A CN103951058A CN201410136101.1A CN201410136101A CN103951058A CN 103951058 A CN103951058 A CN 103951058A CN 201410136101 A CN201410136101 A CN 201410136101A CN 103951058 A CN103951058 A CN 103951058A
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a combined-flow filtration purification system and an application thereof. The combined-flow filtration purification system includes a plurality of unit pools which are hierarchically arranged; the unit pools are respectively internally filled with fillers with uniform particle size; the unit pools are successively communicated through bypass pipes to form a purification main body; in the purification main body, the first-stage unit pool and the final-stage unit pool are respectively provided with a water inlet and a water outlet; in the purification main body, the particle size of the filler in the latter-stage unit pool is less than or equal to the particle size of the filler in the former-stage unit pool; the bottom of at least one stage of unit pool at the front end of the main purification body is provided with a silt collecting chamber; the surface of the fillers in the unit pools are planted with aquatic plants so as to be transformed into an artificial wetland system. Through the hierarchically progressively-decreased filler configuration, the system can directly treat wastewater having more suspended matters or higher pollution load, and precipitates filtered by the system or deposits derived from purification are accumulated in the silt collecting chamber, so as to avoid system blocking; and the system overcomes the shortcomings of the prior art, can improve the performance and the application scope of the filtration purification system, and can be applied in construction of the artificial wetland system.
Description
Technical field
The present invention, for water body purification field, particularly relates to a kind of combined-flow filtration, purification system and application thereof.
Background technology
The solid granulates of filterability system institute filtering can be accumulated in the space of filler matrix, and in matrix, biomembranous procreation also can occupy certain void space simultaneously, along with the generation that will be accompanied by latch up phenomenon of subduing of matrix active porosity; The generation of stopping up can reduce processing efficiency and the effect of system, shortens the work-ing life of filtering system, and the degraded of tamper simultaneously also likely pollutes thing and leaks.Thereby avoid stopping up and eliminate that to stop up be must facing of long-term efficient, the safe operation of filterability system.
Filter tank system is conventional filterability refining plant, and it is relatively little that it builds area, conventionally adopts integrated back flushing means to eliminate obstruction, but build early stage and running cost relatively high.In filter tank system, back flushing means are quite ripe supporting technologies at present, are also that necessary links is normally moved in assurance filter tank, and filtering layer matrix needs regularly by back flushing, regenerate; But the complicated back flushing supporting technology of this structure in filter tank has also been limited to the development and application of filter tank system.
Filterability chinampa is generally used for the water body treatings such as Hu Ku, and these water bodys generally all contain higher planktonic organism density because of eutrophication, as algae, zooplankton.These planktonic organisms often easy matrix on chien shih filterability chinampa are in short-term stopped up, and back flushing measure is difficult to realize in these systems, long-term filler displacement can improve running cost again, so industry generally adopts the plant floating bed system that processing efficiency is lower.
Undercurrent type system in artificial swamp is the development and application of typical filterability purification system, artificial swamp can derive the drift easily accumulating in system in purifying water body process, and easily cause that matrix stops up, but because artificial swamp area is large, generalized case is also not suitable for adopting and eliminates obstruction as the back flushing means of filter tank system, and chemical solution-off can be brought serious secondary pollution; Avoid the means of stopping up also can only consider from prolonged jam time of origin, for example pre-treatment fully, wetland oxygen supply, selects suitable packing material size and grating etc., but can not be from basic solution blockage problem.After stopping up, industry can only adopt the filler means of changing at present, needs larger quantities and financial support, and retightening of wetland plant and microorganism need to be consuming time longer simultaneously, the act of normally haveing no alternative but; In addition, before stopping up, along with drift accumulates in Wetland Substrate, the risk that drift is revealed pollutent increases, and is to a certain degree causing wet land system purification efficiency to decline.
In sum, existing filterability purification system exists can not directly process the water body that suspended particle is more or pollution load is higher, otherwise easily stop up, and there is difficult elimination, scabrous shortcoming, obstruction can cause that treatment effect is unstable, the problems such as operation life is short, particularly affect application and the performance in large-scale environment water is administered of artificial swamp and chinampa technology.
Summary of the invention
For addressing the above problem, the invention provides a kind of shortcoming that overcomes prior-art devices, can directly process the water body that suspension particle is more or pollution load is higher, clogging-preventing measures is simple, can improve the performance of filterability purification system and the combined-flow filtration, purification system of the scope of application.
The technical solution adopted for the present invention to solve the technical problems is: a kind of combined-flow filtration, purification system, comprise a plurality of unit cells that classification arranges, in each unit cells, all load the uniform filler of particle diameter, each unit cells is communicated with successively and is formed purification main body by shunt tube, purify main body and in chopped-off head unit cells and final stage unit cells, set into the mouth of a river and water outlet respectively, the particle diameter that purifies main body filler in rear primary unit pond is less than or equal to the particle diameter of filler in previous stage unit cells, purifies body front end and is at least provided with silt collecting chamber in the bottom of one-level unit cells.The major function that purifies the unit cells of body front end is rough purification water body, and makes to purify derivative drift and the sedimentation of suspension in water in the silt collecting chamber of unit cells bottom, and the unit cells that purifies body rear be take purification function as main; The quantity of unit cells, the degree of depth and shape change design according to actual needs, and the form with mutual concordant or step drop between unit cells is arranged.
Purify that body front end is filtered by the filler in unit cells and gravitational settling is realized the removal of solid matter in sewage, so the degree of depth in front end unit pond can deepen relatively, to improve suspended substance and to purify the deposition of derivative, preferred depth is more than 1m.
This combined-flow filtration, purification system adopts the filler collocation method of hierarchical subtractive clustering, the packing material size that is every grade of unit cells successively decreases from front end to the back-end with system, when improving system front end unit cells to the carrying capacity of drift, increase rear end filler can contact area to improve filtration efficiency and effects of purification quality; Except bottom silt collecting chamber needs the packing layer in larger space, the filler layering of other level is not generally set in unit cells, the main body filler in unit cells adopts the close even filler of particle diameter, to form uniform void space; The area of unit cells, water outlet quantity should be with the successively decreasing and increase to some extent of packing material size, with the water yield between equilibrium unit pond.
Between unit cells, adopt shunt tube UNICOM, shunt tube can allow water body flow to next unit pond by last unit cells, shunt tube adopts the water pipe transformation of the way to form, caliber and quantity are set according to actual needs, shunt tube is divided and can be divided into 3 parts according to function, be respectively: visit the section of catchmenting to previous stage unit cells top or bottom, visit to top, rear primary unit pond or the water distribution section of bottom, and the transition section that connects the section of catchmenting and water distribution section.The section of catchmenting comprises single tube or the Guan Zhen that is provided with some perforates or joint-cutting, water distribution section comprises single tube or the Guan Zhen that is provided with some perforates or joint-cutting, transition section is provided with the valve switch of controlling the section of catchmenting or the conducting of water distribution section, on transition section, connect free threeway or the four-way pipe fitting that reveals, in order to the sampling of this unit cells water body.
For reducing the amount that in forward unit pond, transmit in the downward primary unit of drift pond, the water holding face of unit cells is less than or equal to 15cm with the drop that goes out the water surface, and water surface elevation when water holding face is unit cells running, goes out the height that the water surface is shunt tube transition section.
Described shunt tube can be divided into 4 types by effect, be respectively: 1. bottom goes to bottom, it is characterized by: in previous stage unit cells bottom, catchment, then the water surface that goes out to this unit cells by uphill line, through adjacent cells pool wall, then turn descending pipeline to the bottom water distribution in adjacent cells pond; 2. bottom goes to surface, it is characterized by: in previous stage unit cells bottom, catchment, then the water surface that goes out to this unit cells by uphill line, passes adjacent cells pool wall to the surperficial water distribution in next unit pond; 3. surface goes to bottom, it is characterized by: after catchmenting in previous stage unit cells surface, through adjacent cells pool wall, then by descending pipeline to water distribution bottom next stage unit cells; 4. surface goes to surface, it is characterized by: after catchmenting in previous stage unit cells surface, through adjacent cells pool wall, go to the surperficial water distribution of next stage unit cells.Wherein 1. 2. class shunt tube needs unit cells with top surface water distribution, and 3. 4. class shunt tube needs unit cells with bottom water distribution; The above be after 1. 2. class shunt tube also can catchment in last unit cells bottom, first through adjacent cells pool wall, then goes upward to the water surface that of last unit cells, finally goes to corresponding position, adjacent cells pond water distribution again.
Chopped-off head unit cells generally adopts top surface water distribution, and water inlet is positioned at the top of chopped-off head unit cells, and the catchment section of shunt tube in chopped-off head unit cells visited to the bottom of chopped-off head unit cells.The ①Huo②Lei shunt tube UNICOM that shunt tube catchments by bottom is to next unit pond; Other adjacent cells pond can be with certain type of UNICOM in 4 class shunt tubes, also can be controlled and be made unit cells have two kinds of different collection water distribution manners by suitable combination and valve switch: 1. top surface water distribution, and catchment in bottom; 2. bottom water distribution, top surface catchments.Different collection, water distribution manner can promote respectively the generation of oxygen consumption biochemistry or anaerobic biological, remove dissimilar pollutent suitable condition is provided for microorganism.
Silt collecting chamber is recessed under the pond by unit cells and narrows the groove forming, be provided with row's silt device with silt collecting chamber conducting, row's silt device comprise cause unit cells outside take out silt pipeline, be located at the drainage pump taken out on silt pipeline and with the drift collector unit of taking out silt pipe end and connecting, the front end of taking out silt pipeline is connected with the collection silt pipeline of perforate or joint-cutting in silt collecting chamber, and drift collector unit is sludge filtering storage or mud whizzer or sludge drying wetland.If conditions permit, also can connect desilting tube road at the evacuation port of unit cells bottom, drift in unit cells is discharged by evacuation port.
The bottom of each unit cells the upside of the section of catchmenting or water distribution section be provided with cross section be " n " shape every silt film, described is with " n " semi-surrounding, to be placed in the section of catchmenting of unit cells bottom or the waterproof corrosion resistant film of water distribution section downwards every silt film, every silt film and the section of catchmenting or water distribution is intersegmental separates by filler, every the bottom of silt film and the distance from bottom of unit cells, be 5-10cm.
The present invention also provides a kind of application of above-mentioned combined-flow filtration, purification system: the filling surface planting aquatic plants in unit cells, and change artificial wet land system into.
Combined-flow filtration, purification system can adopt suitable light material to build, and makes it may float on the water surface, changes filterability chinampa purification system into, directly processes the more eutrophication water of suspended substance.
When practical application, containing suspended substance or the higher sewage of pollution load, from the water inlet at chopped-off head unit cells top, be distributed into, suspended substance and scavenging process derivative solid drift with descending current by the space between filler, and reduce gradually its momentum, and be precipitated to the silt collecting chamber at the bottom of pond with gravitional force; Current are up by the shunt tube section of catchmenting of unit cells bottom, and proceed to secondary unit pond; In secondary unit pond, have two kinds of collection water distribution manners optional: 1. top surface water distribution, catchmenting in bottom, after the water reoxygenation which can promote to be come by bottom, primary unit pond, then starts the descending infiltration of oxygen consumption; 2. bottom water distribution, top surface catchments, and which can further be strengthened water body at the anaerobic biological of unit cells bottom, simultaneously up and surperficial catchment and start the generation of reoxygenation and reinforcement oxygen consumption biochemistry in secondary unit pond with current; The water outlet in secondary unit pond proceeds to three grades of unit cells by identical shunt tube again; Certain form independent UNICOM of adjacent cells pond in can 4 class shunt tubes, also can array configuration UNICOM make it convertible pattern; Water body is successively by unit pond, and in water body, pollutent is decomposed by the microorganism on filler or fixing gradually, suspended substance and derivative precipitation of solid material in the silt collecting chamber of unit cells bottom, thereby make water body remove the suspended particle purification of getting back.Need in addition according to water quality situation, regularly by the drift in bottom evacuation port or bottom, drainage pump deliverying unit pond silt collecting chamber, with the obstruction of avoiding pollutent to leak and transition accumulation causes.
This filtering system has overcome the shortcoming that existing filterableness system is easy to occur to stop up and be difficult to elimination, can further extend to the transformation of other multiple filterableness system, as biological filter, rapid infiltration system, artificial swamp, filterability chinampa system etc.
Beneficial effect of the present invention:
(1) the filler collocation method that this combined-flow filtration, purification system level successively decreases is different from conventional filler layering grating, has avoided drift in tiny packing layer, to cause space fast blocking, and affects the generation of total system function situation; The unit cells of system front end has larger filler space, can make suspended substance and drift by and be deposited in bottom silt collecting chamber in, when improving system front end unit cells to the carrying capacity of drift, increase rear end filler can contact area to improve filtration efficiency and effects of purification quality;
(2) combined-flow filtration, purification system is by shunt tube classification turn of tidal stream, make the transmission of water body between unit cells all have the contrary up process of gravity direction, reduced solid pollutant transmission, promoted suspended substance and purified derivative solids in front end unit pond, be filtered and precipitate;
(3) combined-flow filtration, purification system can be led to the water environment capacity of the timing row silt recovery system of bottom evacuation port or drainage pump, when avoiding conventional filtration system jams phenomenon to occur, reduce drift and to rear class unit cells, transmit or reveal the risk of pollution element, ensure that water body purifies more fully in the realization of rear class unit cells; This design can directly be processed containing the more eutrophication water of suspended substance or the higher sewage of pollution load this system;
(4) combined-flow filtration, purification system can realize multiple classification turn of tidal stream scheme, can improve the handiness of system in filtration, purification, make system both can promote the generation of anaerobic biological, can support the generation of oxygen consumption biochemical reaction again, can realize the flexible modulation process in purification process according to water quality situation and pollutant type, for microorganism, remove dissimilar pollutent suitable condition is provided, improve the Modulatory character of sewage disposal;
(5) combined-flow filtration, purification system is owing to directly processing water body more containing suspended substance or that pollution load is higher, both can remove complicated or large-scale or power consumption pre-process from, also can avoid system jams, thereby can further expand to the application of other filterability purification system, as transformed for purification systems such as artificial swamp, filterability chinampas;
(6) valve system of combined-flow filtration, purification system and drainage pump can, by electric integrated transformation, be realized terminal control or automatic operating and safeguard.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is combined-flow filtration, purification system schematic top plan view;
Fig. 2 is mutual concordant unit cells combined-flow filtration, purification system A-A face sectional view;
Fig. 3 is the unit cells combined-flow filtration, purification system A-A face sectional view of step drop;
Fig. 4 is combined-flow filtration, purification system B-B face sectional view;
Fig. 5 is combined-flow filtration, purification system C-C face sectional view;
Fig. 6 is combined-flow filtration, purification system sewage water filtration purification process schematic diagram;
Fig. 7 is that in combined-flow filtration, purification system, bottom goes to 1. class shunt tube schematic diagram of bottom;
Fig. 8 is that in combined-flow filtration, purification system, bottom goes to 2. class shunt tube schematic diagram of surface;
Fig. 9 is that in combined-flow filtration, purification system, surface goes to 3. class shunt tube schematic diagram of bottom;
Figure 10 is that in combined-flow filtration, purification system, surface goes to 4. class shunt tube schematic diagram of surface;
Figure 11 combines convertible shunt tube schematic diagram in combined-flow filtration, purification system;
Figure 12 is that combined-flow filtration, purification system applies changes artificial wet land system schematic diagram into.
Embodiment
Referring to figs. 1 through Figure 12, the invention provides a kind of combined-flow filtration, purification system, sewage for filtration, purification containing more suspended substance, comprise a plurality of unit cells (chopped-off head unit cells 11 that classification arranges, secondary unit pond 12, three grades of unit cells 13 ... final stage unit cells 14), in each unit cells, all load the uniform filler 2 of particle diameter, each unit cells is communicated with successively and is formed purification main body by shunt tube 3, purify main body and in chopped-off head unit cells 11 and final stage unit cells 14, set into the mouth of a river 15 and water outlet 16 respectively, the particle diameter that purifies main body filler in rear primary unit pond is less than or equal to the particle diameter of filler in previous stage unit cells, purify body front end and be at least provided with silt collecting chamber 17 in the bottom of one-level unit cells.Form with mutual concordant or step drop between unit cells is arranged.
Shunt tube 3 is divided and can be divided into 3 parts according to function, is respectively: visit the section of catchmenting 31 to previous stage unit cells top or bottom, visit to top, rear primary unit pond or the water distribution section 32 of bottom, and the transition section 33 of the connection section of catchmenting 31 and water distribution section 32.The section of catchmenting 31 comprises single tube or the Guan Zhen that is provided with some perforates or joint-cutting, water distribution section 32 comprises single tube or the Guan Zhen that is provided with some perforates or joint-cutting, transition section 33 is provided with the valve switch of controlling the section of catchmenting 31 or 32 conductings of water distribution section, on transition section 33, also connect free threeway or the four-way pipe fitting 4 that reveals, in order to the sampling of this unit cells water body.
The water holding face of each unit cells is less than or equal to 15cm with the drop that goes out the water surface, and water surface elevation when water holding face is unit cells running, goes out the height that the water surface is shunt tube 3 transition sections 33.
Described shunt tube 3 can be divided into 4 types by effect, be respectively: 1. bottom goes to bottom, it is characterized by: in previous stage unit cells bottom, catchment, then the water surface that goes out to this unit cells by uphill line, through adjacent cells pond pool wall, then turn descending pipeline to the bottom water distribution in adjacent cells pond; 2. bottom goes to surface, it is characterized by: in previous stage unit cells bottom, catchment, then the water surface that goes out to this unit cells by uphill line, passes adjacent cells pond pool wall to the surperficial water distribution of next stage unit cells; 3. surface goes to bottom, it is characterized by: after catchmenting in previous stage unit cells surface, through adjacent cells pond pool wall, then by descending pipeline to water distribution bottom next stage unit cells; 4. surface goes to surface, it is characterized by: after catchmenting in previous stage unit cells surface, through adjacent cells pool wall, go to the surperficial water distribution of next stage unit cells.Wherein 1. 2. class shunt tube 3 needs unit cells with top surface water distribution, and 3. 4. class shunt tube 3 needs unit cells with bottom water distribution; The above be after 1. 2. class shunt tube 3 also can catchment in previous stage unit cells bottom, first through adjacent cells pool wall, then goes upward to the water surface that of previous stage unit cells, finally goes to corresponding position, adjacent cells pond water distribution again.
Silt collecting chamber 17 is recessed under the pond by unit cells and narrows the groove forming, be provided with row's silt device with silt collecting chamber 17 conductings, row's silt device comprise cause unit cells outside take out silt pipeline 51, be located at the drainage pump 52 taken out on silt pipeline 51 and with the drift collector unit 55 of taking out silt pipeline 51 ends and connecting, the front end of taking out silt pipeline 51 is connected with the collection silt pipeline 53 of perforate or joint-cutting in silt collecting chamber 17, and drift collector unit 55 is the sludge treatment equipments such as sludge filtering storage or mud whizzer or sludge drying wetland.If conditions permit, also can connect desilting tube road at the evacuation port of unit cells bottom, drift in unit cells is discharged by evacuation port.
The bottom of each unit cells the upside of the section of catchmenting 31 or water distribution section 32 be provided with cross section be " n " shape every silt film 6, described is with " n " semi-surrounding, to be placed in the section of catchmenting 31 of unit cells bottom or the waterproof corrosion resistant film of water distribution section 32 downwards every silt film 6, every silt film 6 and the section of catchmenting 31 or 32 of water distribution sections, by filler 2, separate, every the bottom of silt film 6 and the distance from bottom of unit cells, be 5-10cm, every the setting of silt film 6, can improve the deposition of drift.
As invention preferred embodiment, chopped-off head unit cells 11 adopts top surface water distribution, and water inlet is positioned at the top of chopped-off head unit cells 11, and the catchment section 31 of shunt tube 3 in chopped-off head unit cells 11 visited to the bottom of chopped-off head unit cells 11.Shunt tube 3 proceeds to the rear employing combination in secondary unit pond 12 convertible structure, be that shunt tube 3 proceeds to behind secondary unit pond 12, by threeway or four-way pipe fitting 4 be divided into be positioned at 12 tops, secondary unit pond on be in charge of 34 and descending and stretch into 12 bottoms, secondary unit pond under be in charge of 35, on be in charge of 34 and under be in charge of 35 through behind whole secondary unit pond 12, under be in charge of 35 up and by threeway or four-way pipe fitting 4 with on be in charge of 34 and converge, and form shunt tube 3 transition sections 33 through secondary unit pond 12 and 13 pool walls of three grades of unit cells.On be in charge of 34 and under be in charge of 35 two ends and be equipped with valve switch with the junction of threeway or four-way pipe fitting 4, described valve switch comprises laying respectively at is down in charge of being in charge of switch 71 for first time and being in charge of switch 72 second time of 35 first, last two ends, and lay respectively at be in charge of 34 first, last two ends first on be in charge of and on switch 73 and second, be in charge of switch 74, shunt tube 3 proceeds to after three grades of unit cells 13, also adopts the combination convertible structure identical with secondary unit pond 12.
This combined-flow filtration, purification system is when purifying waste water, sewage is distributed into chopped-off head unit cells 11 surfaces by water inlet 15, suspended substance in sewage and scavenging process derivative solid drift with descending current by the space of 2 of fillers in unit cells, and reduce gradually its momentum, and be precipitated to the silt collecting chamber 17 at the bottom of pond with gravitional force; The shunt tube 3 of current by the unit cells bottom end 31 that catchments is up, and proceeds to secondary unit pond 12; In secondary unit pond 12, there are two kinds of collection, water distribution manner optional: 1. the shunt tube in secondary unit pond 12 3 is controlled to be in charge of for first time and on switch 71 and second, is in charge of switch 74 and closes, control on first and be in charge of switch 73 and be in charge of switch 72 unlatchings for second time, show as top surface water distribution, catchment in bottom, after the water reoxygenation which can promote to be come by chopped-off head unit cells 11 bottoms, then start the descending infiltration of oxygen consumption; 2. the combination convertible shunt tube in secondary unit pond 12 3 is controlled to be in charge of for first time and on switch 71 and second, is in charge of switch 74 and opens, control on first and be in charge of switch 73 and be in charge of switch 72 for second time and close, show as bottom water distribution, catchment in top, which can further be strengthened water body at the anaerobic biological of 12 bottoms, secondary unit pond, simultaneously up and surperficial catchment and start the generation of reoxygenation and reinforcement oxygen consumption biochemistry in secondary unit pond 12 with current; The water outlet in secondary unit pond 12 proceeds to three grades of unit cells 13 by identical shunt tube 3 again, and the rest may be inferred to final stage unit cells 14, and the water purification after purifying is after filtration discharged from water outlet 16.Sewage is successively by unit pond, and in water body, pollutent is decomposed by the microorganism on filler or fixing gradually, suspended substance and derivative precipitation of solid material in the silt collecting chamber 17 of unit cells bottom, thereby make water body both remove the suspended particle purification of getting back.
According to water quality situation, by collection silt pipeline 53, take out silt pipeline 51, valve 54 and the drainage pump 52 taken out on silt pipeline 51 regularly detach the drift in each unit cells bottom silt collecting chamber 17, with the obstruction of avoiding pollutent to leak and transition accumulation causes, the drift detaching can be processed by drift collector unit.
In addition, the present invention also provides the application of above-mentioned combined-flow filtration, purification system, such as the filler 2 surface grafting waterplant 8 in each unit cells, and changes artificial wet land system into.Or combined-flow filtration, purification system adopts light material to build, and makes it may float on the water surface, changes filterability chinampa purification system into, directly processes the more eutrophication water of suspended substance.This combined-flow filtration, purification system may extend to the transformation field of the filterableness systems such as artificial swamp, filterability chinampa, biological filter by above-mentioned application.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. a combined-flow filtration, purification system, it is characterized in that: comprise a plurality of unit cells that classification arranges, described in each, in unit cells, all load the uniform filler of particle diameter, described in each, unit cells is communicated with successively and is formed purification main body by shunt tube, described purification main body sets into the mouth of a river and water outlet in unit cells described in unit cells described in chopped-off head and final stage respectively, the particle diameter of described purification main body filler in unit cells described in rear one-level is less than or equal to the particle diameter of filler in previous stage unit cells, described purification body front end at least described in one-level the bottom of unit cells be provided with silt collecting chamber.
2. combined-flow filtration, purification system according to claim 1, it is characterized in that: described shunt tube comprises the section of catchmenting visited to previous stage unit cells top or bottom, visits to top, rear primary unit pond or the water distribution section of bottom, and the transition section of the section of catchmenting and water distribution section described in connecting.
3. combined-flow filtration, purification system according to claim 2, it is characterized in that: described in the section of catchmenting comprise single tube or the Guan Zhen that is provided with some perforates or joint-cutting, described water distribution section comprises single tube or the Guan Zhen that is provided with some perforates or joint-cutting, described transition section is provided with the valve switch of the section of catchmenting described in control or the conducting of water distribution section, connects free threeway or the four-way pipe fitting that reveals on described transition section.
4. according to the combined-flow filtration, purification system described in claim 2 or 3, it is characterized in that: described in each bottom of unit cells the upside of the section of catchmenting or water distribution section be provided with cross section be " n " shape every silt film, described every silt film and the section of catchmenting or water distribution is intersegmental separates by filler, described is 5-10cm every the bottom of silt film and the distance from bottom of unit cells.
5. according to the combined-flow filtration, purification system described in claim 2 or 3, it is characterized in that: described water inlet is positioned at the top of chopped-off head unit cells, the catchment section of described shunt tube in chopped-off head unit cells visited to the bottom of chopped-off head unit cells.
6. according to the combined-flow filtration, purification system described in claim 1,2 or 3, it is characterized in that: described silt collecting chamber is recessed under the pond by unit cells and narrows the groove forming, be provided with row's silt device with described silt collecting chamber conducting, the described row device that becomes silted up comprises and causes taking out silt pipeline, take out drainage pump on silt pipeline described in being located at and taking out with described the drift collector unit that silt pipe end is connected of described unit cells outside, and described drift collector unit is sludge filtering storage or mud whizzer or sludge drying wetland.
7. combined-flow filtration, purification system according to claim 6, is characterized in that: described in take out silt pipeline front end in described silt collecting chamber, be connected with the collection silt pipeline of perforate or joint-cutting.
8. combined-flow filtration, purification system according to claim 6, is characterized in that: the bottom of described silt collecting chamber is provided with evacuation port, is connected conducting is provided with desilting tube road with described evacuation port.
9. combined-flow filtration, purification system according to claim 2, is characterized in that: the water holding face of described unit cells is less than or equal to 15cm with the drop that goes out the water surface water surface elevation when described water holding face is unit cells running; It is described that to go out the water surface be the height of shunt tube transition section.
10. an application for combined-flow filtration, purification system, is characterized in that: comprise the combined-flow filtration, purification system described in claim 1～9 any one, and the filling surface planting aquatic plants in described unit cells, and change artificial wet land system into.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277566A (en) * | 2016-08-08 | 2017-01-04 | 深圳十方清新生态环保科技有限公司 | A kind of environment water in-situ purification system |
| CN111170560A (en) * | 2020-01-08 | 2020-05-19 | 广西国宏智鸿环保科技集团有限公司 | Villages and towns sewage purification system |
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| US7510649B1 (en) * | 2004-01-09 | 2009-03-31 | Ronald Lavigne | Top loading vertical flow submerged bed wastewater treatment system |
| CN201923924U (en) * | 2010-12-17 | 2011-08-10 | 浙江泰来环保科技有限公司 | Subsurface-flow constructed wetland sewage treatment reaction tank |
| CN201952332U (en) * | 2011-01-28 | 2011-08-31 | 李迎军 | Self-oxygenated subsurface-flow constructed-wetland sewage-purifying device |
| CN102531294A (en) * | 2012-02-10 | 2012-07-04 | 同济大学 | All-terrain subsurface flow constructed wetland combination system and application thereof |
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| US7510649B1 (en) * | 2004-01-09 | 2009-03-31 | Ronald Lavigne | Top loading vertical flow submerged bed wastewater treatment system |
| CN201923924U (en) * | 2010-12-17 | 2011-08-10 | 浙江泰来环保科技有限公司 | Subsurface-flow constructed wetland sewage treatment reaction tank |
| CN201952332U (en) * | 2011-01-28 | 2011-08-31 | 李迎军 | Self-oxygenated subsurface-flow constructed-wetland sewage-purifying device |
| CN102531294A (en) * | 2012-02-10 | 2012-07-04 | 同济大学 | All-terrain subsurface flow constructed wetland combination system and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106277566A (en) * | 2016-08-08 | 2017-01-04 | 深圳十方清新生态环保科技有限公司 | A kind of environment water in-situ purification system |
| CN111170560A (en) * | 2020-01-08 | 2020-05-19 | 广西国宏智鸿环保科技集团有限公司 | Villages and towns sewage purification system |
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| CN103951058B (en) | 2016-05-04 |
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