CN103951058B - A kind of combined-flow filtration, purification system and application thereof - Google Patents
A kind of combined-flow filtration, purification system and application thereof Download PDFInfo
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- CN103951058B CN103951058B CN201410136101.1A CN201410136101A CN103951058B CN 103951058 B CN103951058 B CN 103951058B CN 201410136101 A CN201410136101 A CN 201410136101A CN 103951058 B CN103951058 B CN 103951058B
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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
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Abstract
The invention discloses a kind of combined-flow filtration, purification system and application thereof, comprise multiple 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 set into the mouth of a river and delivery port in chopped-off head unit cells and final stage unit cells 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 in the bottom of one-level unit cells, filling surface planting aquatic plants in unit cells, and change artificial wet land system into. the filler configuration of native system by hierarchical subtractive clustering, can directly process the sewage that suspension is more or pollutional load is higher, system filtering-depositing or purify derivative drift and can be accumulated in silt collecting chamber, thus avoid system jams, the present invention has overcome the shortcoming of prior art, can improve performance and the scope of application of filterability cleaning system, can be applicable to the structure of artificial wet land 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 clogging of subduing of matrix active porosity; The generation of stopping up can reduce treatment effeciency and the effect of system, shortens the service life of filtration system, and the degraded of tamper simultaneously also likely pollutes thing and leaks. Thereby avoid stopping up and eliminate stop up be that filterability system is long-term efficient, must the facing of safe operation.
Filter tank system is conventional filterability purifier, its build area relatively little, conventionally adopt integrated backwash means to eliminate obstruction, but early stage build and operating cost relatively high. In filter tank system, backwash means are quite ripe supporting technologies at present, are also that necessary links is normally moved in guarantee filter tank, and filtering layer matrix needs timing regenerate by backwash; But the complicated backwash 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, zooplankter. These planktonic organisms often easy matrix on chien shih filterability chinampa are in short-term stopped up, and backwash measure is difficult to realize in these systems, long-term filler displacement can improve again operating cost, so industry generally adopts the plant floating bed system that treatment effeciency is lower.
Undercurrent type system in artificial swamp is the development and application of typical filterability cleaning 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, ordinary circumstance is also not suitable for adopting and eliminates obstruction as the backwash 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 pollutant increases, and is to a certain degree causing wet land system purification efficiency to decline.
In sum, existing filterability cleaning system exists can not directly process the water body that suspended particulate is more or pollutional 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 service 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 pollutional load is higher, clogging-preventing measures is simple, can improve the performance of filterability cleaning 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 multiple 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 set into the mouth of a river and delivery port in chopped-off head unit cells and final stage unit cells 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 of unit cells that purifies body front end is preliminary purification water body, and makes to purify sedimentation of suspension in derivative drift and water in the silt collecting chamber of unit cells bottom, purifies the unit cells of body rear taking purification function as main; Quantity, the degree of depth and the shape of unit cells changes design according to actual needs, and the form with mutual concordant or step drop between unit cells is arranged.
Purify body front end realizes solid matter in sewage removal by the filler filtration in unit cells and gravitational settling, therefore the degree of depth in front end unit pond can be deepened relatively, and to improve the deposition of suspension and purification 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 filter 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, delivery port quantity should be with the successively decreasing and increase to some extent of packing material size, with the water yield between balancing 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 to the section of catchmenting of previous stage unit cells top or bottom, visit to top, rear primary unit pond or the water distribution section of bottom, and connect the changeover portion of the section of catchmenting and water distribution section. The section of catchmenting comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, water distribution section comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, changeover portion is provided with the valve switch of controlling the section of catchmenting or the conducting of water distribution section, on changeover portion, 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 changeover portion.
Described shunt tube can be divided into 4 types by effect, be respectively: 1. bottom goes to bottom, it is characterized by: catchment in previous stage unit cells bottom, the then water surface that goes out to this unit cells by up-hill line, through adjacent cells pool wall, then turn the bottom water distribution of descending pipeline to adjacent cells pond; 2. bottom goes to surface, it is characterized by: catchment in previous stage unit cells bottom, and the then water surface that goes out to this unit cells by up-hill line, the surperficial water distribution through adjacent cells pool wall to 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. Shunt tube catchment by bottom 1. or ②Lei shunt tube UNICOM to next unit pond; Other adjacent cells pond can, with certain type of UNICOM in 4 class shunt tubes, also can make unit cells have two kinds of different collection water distribution manners by suitable combination and valve switch control: 1. top surface water distribution, and catchment in bottom; 2. bottom water distribution, top surface catchments. Different collection, the generation that water distribution manner can promote respectively oxygen consumption biochemistry or anaerobic biological, remove dissimilar pollutant for microorganism suitable condition be provided.
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 centrifuge 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 to be placed in the section of catchmenting of unit cells bottom or the waterproof corrosion resistant film of water distribution section with " n " semi-surrounding downwards every silt film, every silt film and the section of catchmenting or water distribution is intersegmental separates by filler, be 5-10cm every the bottom of silt film and the distance from bottom of unit cells.
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 cleaning system into, directly processes the more eutrophication water of suspension.
In the time of practical application, be distributed into from the water inlet at chopped-off head unit cells top containing suspension or the higher sewage of pollutional load, suspension and purification 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 the anaerobic biological of water body in 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 combining form UNICOM make it convertible pattern; Water body is successively by unit pond, and in water body, pollutant is decomposed by the microorganism on filler or fixing gradually, suspension and derivative precipitation of solid material in the silt collecting chamber of unit cells bottom, thereby make water body remove the suspended particulate purification of getting back. Need in addition according to water quality situation, timing is by the drift in bottom evacuation port or bottom, drainage pump deliverying unit pond silt collecting chamber, to avoid pollutant leakage and transition to accumulate the obstruction causing.
This filtration system has overcome existing filterability system and has been easy to occur to stop up and be difficult to the shortcoming of eliminating, and can further extend to the transformation of other multiple filterability system, as biofilter, 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 suspension 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 filter 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, reduce solid pollutant transmission, promoted suspension 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 transmitted or revealed risk from pollution element to rear class unit cells, ensure that water body purifies more fully in the realization of rear class unit cells; This design makes this system can directly process the eutrophication water more containing suspension or the higher sewage of pollutional load;
(4) combined-flow filtration, purification system can realize multiple classification turn of tidal stream scheme, can improve the flexibility of system in filtration, purification, make system both can promote the generation of anaerobic biological, can support again the generation of oxygen consumption biochemical reaction, can realize the flexible modulation process in purification process according to water quality situation and pollutant type, remove dissimilar pollutant for microorganism 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 suspension or that pollutional 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 cleaning system, as transformed for cleaning systems such as artificial swamp, filterability chinampas;
(6) valve system of combined-flow filtration, purification system and drainage pump can be by electric integrated transformations, realize terminal control or automatic operating and safeguard.
Brief description of the drawings
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 cutaway view;
Fig. 3 is the unit cells combined-flow filtration, purification system A-A face cutaway view of step drop;
Fig. 4 is combined-flow filtration, purification system B-B face cutaway view;
Fig. 5 is combined-flow filtration, purification system C-C face cutaway 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.
Detailed description of the invention
Referring to figs. 1 through Figure 12, the invention provides a kind of combined-flow filtration, purification system, sewage for filtration, purification containing more suspension, comprise multiple 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 set into the mouth of a river 15 and delivery port 16 in chopped-off head unit cells 11 and final stage unit cells 14 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 to the section of catchmenting 31 of previous stage unit cells top or bottom, visit to top, rear primary unit pond or the water distribution section 32 of bottom, and the changeover portion 33 of the connection section of catchmenting 31 and water distribution section 32. The section of catchmenting 31 comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, water distribution section 32 comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, changeover portion 33 is provided with the valve switch of controlling the section of catchmenting 31 or 32 conductings of water distribution section, on changeover portion 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 changeover portions 33.
Described shunt tube 3 can be divided into 4 types by effect, be respectively: 1. bottom goes to bottom, it is characterized by: catchment in previous stage unit cells bottom, the then water surface that goes out to this unit cells by up-hill line, through adjacent cells pond pool wall, then turn the bottom water distribution of descending pipeline to adjacent cells pond; 2. bottom goes to surface, it is characterized by: catchment in previous stage unit cells bottom, and the then water surface that goes out to this unit cells by up-hill line, the surperficial water distribution through adjacent cells pond pool wall to 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 equipment such as sludge filtering storage or mud centrifuge 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 to be placed in the section of catchmenting 31 of unit cells bottom or the waterproof corrosion resistant film of water distribution section 32 with " n " semi-surrounding downwards every silt film 6, every between silt film 6 and the section of catchmenting 31 or water distribution section 32, separate by filler 2, be 5-10cm every the bottom of silt film 6 and the distance from bottom of unit cells, can improve the deposition of drift every the setting of silt film 6.
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 changeover portions 33 through pool wall between secondary unit pond 12 and three grades of unit cells 13. 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 in the time purifying waste water, sewage is distributed into chopped-off head unit cells 11 surfaces by water inlet 15, suspension in sewage and purification process derivative solid drift with descending current by the space between filler 2 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; Current are up by the shunt tube 3 of the unit cells bottom end 31 that catchments, and proceed to secondary unit pond 12; In secondary unit pond 12, there are two kinds of collection, water distribution manner optional: 1. the shunt tube 3 in secondary unit pond 12 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 for second time and open, 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 3 in secondary unit pond 12 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 the anaerobic biological of water body in 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 delivery port 16. Sewage is successively by unit pond, and in water body, pollutant is decomposed by the microorganism on filler or fixing gradually, suspension and derivative precipitation of solid material in the silt collecting chamber 17 of unit cells bottom, thereby make water body both remove the suspended particulate purification of getting back.
According to water quality situation, by collection silt pipeline 53, take out silt pipeline 51, valve 54 and drainage pump 52 timings of taking out on silt pipeline 51 detach the drift in the silt collecting chamber 17 of each unit cells bottom, to avoid pollutant leakage and transition to accumulate the obstruction causing, the drift detaching can pass through the processing of 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 water plants 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 cleaning system into, directly processes the more eutrophication water of suspension. This combined-flow filtration, purification system may extend to the transformation field of the filterability systems such as artificial swamp, filterability chinampa, biofilter 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 (8)
1. a combined-flow filtration, purification system, it is characterized in that: comprise multiple unit cells that classification arranges, in each described unit cells, all load the uniform filler of particle diameter, each described 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 delivery port 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, described shunt tube comprises the section of catchmenting of visiting to previous stage unit cells top or bottom, visit to top, rear primary unit pond or the water distribution section of bottom, and the changeover portion of the section of catchmenting and water distribution section described in connecting, the described section of catchmenting comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, described water distribution section comprises the single tube or the Guan Zhen that are provided with some perforates or joint-cutting, described changeover portion is provided with the valve switch of the section of catchmenting described in control or the conducting of water distribution section, on described changeover portion, connect free threeway or the four-way pipe fitting that reveals.
2. combined-flow filtration, purification system according to claim 1, it is characterized in that: the bottom of each described 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.
3. combined-flow filtration, purification system according to claim 1 and 2, is characterized in that: described water inlet is positioned at the top of chopped-off head unit cells, and the catchment section of described shunt tube in chopped-off head unit cells visited to the bottom of chopped-off head unit cells.
4. combined-flow filtration, purification system according to claim 1 and 2, 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 centrifuge or sludge drying wetland.
5. combined-flow filtration, purification system according to claim 4, 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.
6. combined-flow filtration, purification system according to claim 4, 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.
7. combined-flow filtration, purification system according to claim 1, 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; Described go out the water surface be the height of shunt tube changeover portion.
8. an application for combined-flow filtration, purification system, is characterized in that: comprise the combined-flow filtration, purification system described in claim 1～7 any one, and the filling surface planting aquatic plants in described unit cells, and change artificial wet land system into.
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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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| 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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2014
- 2014-04-04 CN CN201410136101.1A patent/CN103951058B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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