CN204958535U - System for can effectively improve constructed wetland filler blocks up - Google Patents
System for can effectively improve constructed wetland filler blocks up Download PDFInfo
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- CN204958535U CN204958535U CN201520764148.2U CN201520764148U CN204958535U CN 204958535 U CN204958535 U CN 204958535U CN 201520764148 U CN201520764148 U CN 201520764148U CN 204958535 U CN204958535 U CN 204958535U
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a system for can effectively improve constructed wetland filler blocks up, including the water distribution canal, undercurrent pond and the canal that catchments that connect gradually, water distribution canal bottom is equipped with the evacuation valve, be equipped with the overflow mouth of circulation sewage between water distribution canal and the undercurrent pond, it washes the person in charge to be equipped with between water distribution canal bottom and the undercurrent bottom of the pool portion, wash and be responsible for the flushing valve who is equipped with in control sewage entering undercurrent pond or the water distribution canal, it is equipped with the branch pipe that washes that is located the undercurrent pond to wash to be responsible for, undercurrent pond and catchment and be equipped with the person in charge that catchments between the canal, the one end of being responsible for of catchmenting is equipped with the branch pipe that catchments that is located the undercurrent pond, the other end be responsible for of catchmenting is equipped with two at least outlet valve doors of co -altitude water level not. Its structure and easy operation, no energy consumption, the maintenance of being convenient for need not power equipment and control system in the present technique of washing, through controlling closing of business turn over water valve door in this system, utilizes constructed wetland's liquid level poor simultaneously, realizes washing the filler.
Description
Technical field
The utility model relates to constructed wetland waste water treatment technology, and particularly relating to one can effectively improve Performance of Constructed Wetlands Substrates block system.
Background technology
Artificial wet land treating system is the simulation to natural wetland, and it take sewage disposal as target, through the wet land system of the through engineering approaches of engineer, construction.It utilizes the physics in natural ecosystems, chemistry and biological triple synergies to realize the cleaning action of sewage, makes the improvement that water quality obtains in various degree, realizes the Ecological Disposal to waste water.
Artificial swamp is as an intact ecocystem, and it is made up of pond body, filler, plant and microorganism etc.And filler is that in whole system, considerable composition divides, it is not only the attachment of microorganism, the growth of plant provides suitable condition, and self also effectively removes impurity by the effect such as sedimentation complexing, adsorption and oxidation reduction.
Artificial swamp mainly relies on the microorganism break-in plant roots and stems that filler grows constantly to breed to carry out metabolism to dispose of sewage, effectively can remove the impurity matter such as the organism in sewage, suspended substance, TN (total nitrogen), TP (total phosphorus), SS (particle suspensions), heavy metal, pathogenic agent.But As time goes on, part nutritive substance can little by little accumulate, the corresponding amount reproduction of the microorganism in wetland, some suspended substances in the meta-bolites produced, rotten root system of plant and sewage, constantly can block filler space.If now do not safeguarded in time wetland, be just easy to produce alluvial, latch up phenomenon.When latch up phenomenon occurs, reduced, flowing-path short circuit originally effective residence time of waste water, waste water is at wetland overland flow, and hydraulic conductivity, wetland variation effect and operation life reduce.
At present for the problem of Performance of Constructed Wetlands Substrates blocking, scholars mainly improve the grating of filler and adopt the modes such as power backwashing technology.Optimize the blocking time that filler grating can only delay filler, and fundamentally can not solve the obstructing problem of filler.Power backwashing technology have employed the power-equipment such as blast apparatus and pump, and the Controlling System be equipped with.Its shortcoming is that power consumption is high, it is complicated to control, complex operation and often need the shortcomings such as maintenance.
Utility model content
The utility model is the defect overcoming prior art, provides a kind of system effectively can improving Performance of Constructed Wetlands Substrates blocking.
The utility model is by the following technical solutions:
A kind of system effectively can improving Performance of Constructed Wetlands Substrates blocking, comprise the cloth water channel connected successively, the undercurrent pond that packing layer is housed and braiding channel, emptying valve is provided with bottom cloth water channel, the overflow port of circulation sewage is provided with between described cloth water channel and undercurrent pond, be provided with to rinse between bottom described cloth water channel and bottom undercurrent pond and be responsible for, the described supervisor of flushing is provided with and controls sewage and enter flushing valve in undercurrent pond or cloth water channel, and described flushing supervisor is also provided with the flushing arm being positioned at undercurrent pond; Be provided with to catchment between described undercurrent pond and braiding channel and be responsible for, described in catchment one end of supervisor be provided with the collection branch pipe being positioned at undercurrent pond, described in the catchment the other end of supervisor be provided with the flowing water Valve of at least two different heights water levels.
Wherein, described cloth water channel is provided with inlet valve, is provided with overflow port between the top of described cloth water channel and top, undercurrent pond.
Preferably, the bottom surface of described cloth water channel is along water distribution canal width, horizontal by certain angle, and namely the bottom surface of cloth water channel is with respect to the horizontal plane an inclined-plane, and described emptying valve is arranged on the lower one end of physical features.Advantageously in sewage is emptying bottom tool bevelled cloth water channel.
Preferably, the body of described flushing arm is provided with pore structure.Be specially: lower half circumference rinsing arm is provided with left right-alternative two rounds, and two rows of openings are 60 °, 90 ° or hexagonal angle.The shape in hole is rectangle or circle, wherein the size of slot long 50 ~ 100cm, wide 0.3 ~ 1cm, adjacent holes be spaced apart 10 ~ 30cm.The size diameter of circular port is 0.3 ~ 1.5cm, and adjacent holes spacing is 1 ~ 5cm.Beneficial effect is: through lot of experiment validation and analysis, and the developing result under above-mentioned condition is better.
Preferably, for making flushing more comprehensive, water distribution canal width being arranged many and rinsing supervisor, adjacent flushing supervisor spacing 4 ~ 6m.
Preferably, flushing valve be level to, liquid level difference can be increased and be more conducive to rinsing, and switch easy to operate.
Preferably, the described the other end catchmenting supervisor is provided with high, medium and low water level flowing water Valve, the pipe crest level of the supervisor that catchments of high-level outlet flushing valve door connection is identical with packing layer top, the pipeline elevation of what median water level flowing water Valve connected the catchment pipeline elevation of supervisor and the supervisor that catchments that the mesophase spherule of packing layer connects with, low-water level flowing water Valve is identical with the bottom of packing layer.The described the other end catchmenting supervisor also can be provided with the flowing water Valve being greater than 3 different heights water levels.
Preferably, described cloth water channel and braiding channel are equipped with cover plate, and cover plate is Prefabricated or cast-in-place cover plate, and thickness is 10 ~ 15cm, make the process of sewage disposal present a relatively airtight environment, preventing pollution environment.
A kind of method effectively can improving Performance of Constructed Wetlands Substrates blocking utilizing described system, comprises one of following purging method or multiple, comprises following method:
(1) cloth water channel exhaust-valve door, flushing valve, low-water level flowing water Valve is closed, undercurrent pool water level reaches elevation at the bottom of high-level outlet flushing valve door pipeline pipe, open low-water level flowing water Valve, sewage is mingled with impurity between filler space and flows out, and realizes the just flushing to filler;
(2) cloth water channel inlet valve is opened, close cloth water channel exhaust-valve door and flushing valve, when water distribution water in a canal is full, close median water level flowing water Valve and cloth water channel inlet valve, open low-water level flowing water Valve simultaneously, after undercurrent pond water is emptying, then open cloth water channel inlet valve and flushing valve, realize the just flushing to filler;
(3), after full sewage is entered in undercurrent pond, close cloth water channel inlet valve, low-water level flowing water Valve, low-water level flowing water Valve, open cloth water channel exhaust-valve door, after water distribution channel water is emptying, open flushing valve, realize the back flushing to filler.
Further, for better realizing the method effectively can improving Performance of Constructed Wetlands Substrates blocking described in the utility model, a kind of system is provided, described system comprises the cloth water channel connected successively, the undercurrent pond that packing layer is housed and braiding channel, described cloth water channel is provided with inlet valve, is provided with emptying valve bottom cloth water channel; The overflow port of circulation sewage is provided with between described cloth water channel and undercurrent pond, be provided with to rinse between bottom described cloth water channel and bottom undercurrent pond and be responsible for, the described supervisor of flushing is provided with and controls sewage and enter flushing valve in undercurrent pond or cloth water channel, and described flushing supervisor is also provided with the flushing arm being positioned at undercurrent pond; Be provided with to catchment between described undercurrent pond and braiding channel and be responsible for, described in catchment one end of supervisor be provided with the collection branch pipe being positioned at undercurrent pond, described in the catchment the other end of supervisor be provided with the flowing water Valve of at least two different heights water levels.
A kind of method effectively can improving Performance of Constructed Wetlands Substrates blocking utilizing this system, realizes describedly being specially the method that filler is just rinsing:
When artificial swamp normally runs, sewage enters cloth water channel, and when water level reaches overflow port position, enter in undercurrent pond by overflow port, the pressure that flushing valve is subject to high-water sewage in cloth water channel is in closing condition; In undercurrent pond after treatment, imported by collection branch pipe and catchment in supervisor, flowed out by high-level outlet flushing valve door, now low-water level flowing water Valve is in closing condition to sewage.After running setting-up time, close high-level outlet flushing valve door, open low-water level flowing water Valve, owing to there is liquid level pressure reduction, Water discharge flow speed is accelerated, and the surging force that current produce is dredged the interstitial material of filler, makes sewage flow passage more smooth and easy.
A kind of method effectively can improving Performance of Constructed Wetlands Substrates blocking utilizing described system, realizes describedly being specially the method that filler is just rinsing:
After sewage enters undercurrent pond by overflow port, become suddenly large because water flow section is long-pending, flow velocity sharply slows down.Suspended impurity in water is accelerated in the packing area settling velocity of water inlet overflow port rear end, forms Yi Du district.Open flushing valve and low-water level flowing water Valve after running setting-up time, close high-level outlet flushing valve door, commute bottleneck area is just rinsed, and realizes the dredging of pipelined channel between filler, and part sediment flows into braiding channel by low-water level flowing water Valve.
Utilize a kind of method effectively can improving Performance of Constructed Wetlands Substrates blocking of described system, realize the described method to filler back flushing and be specially:
Sewage enters undercurrent pond by overflow port, closes low flowing water Valve.When wastewater level reaches elevation at the bottom of the rising pipe pipe of high-level outlet flushing valve door connection, close cloth water channel inlet valve, open cloth water channel exhaust-valve door, after cloth water channel is emptying, open flushing valve.Sewage in cloth water channel by reflux in undercurrent pond, is flowed out by cloth water channel exhaust-valve door, realizes the back flushing to filler.
The beneficial effects of the utility model are:
(1) compared to prior art, the utility model provides a kind of unpoweredly can effectively improve Performance of Constructed Wetlands Substrates block system, its structure and simple to operate, Non-energy-consumption, is convenient to maintenance, without the need to the power-equipment such as blast apparatus, pump and Controlling System, by controlling the on off state of the Inlet and outlet water valve in this system, utilize the liquid level difference of artificial swamp simultaneously, can realize just rinsing and/or back flushing filler, finally realize the blockage problem of filler.
(2) method effectively can improving Performance of Constructed Wetlands Substrates blocking in the utility model, utilize simple, the motorless Performance of Constructed Wetlands Substrates anti-block system of structure, realize cleaning the interstitial material of filler by controlling the height of liquid level and the on off state of Inlet and outlet water valve in wetland, method of the present utility model is compared with the existing aqueous vapor backwashing technology that utilizes, Controlling System that need not be complicated, also power-equipment is not needed, operationally simplify greatly, more convenient in maintenance.Therefore there is stronger practicality.
(3) the utility model can by regulating the on off state of the valve of different sites, realize the flushing to the interstitial impurity different modes of filler, mainly comprise two kinds just rinsing and a kind of back-flushing method, adopt any one purging method, good developing result can be obtained.When multiple purging method is combined, developing result is better.Especially when employing three kinds of backwashing manners clean filler, just rinsing the alternate run with back flushing, better than unidirectional developing result, more thorough, can effectively ensure voidage between filler, current are flowed more smooth and easy, in turn ensure that hydraulic detention time, make effluent quality more stable.Two kinds of positive purging methods, one, sewage enters in undercurrent pond by overflow port, by the mode of closing low-water level flowing water Valve undercurrent pool water level is raised to elevation at the bottom of the pipe of high-level outlet flushing valve door, then low-water level flowing water Valve is opened, the pressure produced by high-water increases sewage in the interstitial Flow Velocity of filler and surging force, and the impurity be adsorbed between filler is come off.Partial impurities can be discharged by low-water level flowing water Valve with current.They are two years old, flushing valve is opened, cloth water channel exhaust-valve door is closed, sewage flows into undercurrent pond by flushing valve, owing to being subject to the pressure of high-water in cloth water channel, current produce stronger surging force makes the impurity between the filler of easy bottleneck area split away off, and partial impurities is discharged by low-water level flowing water Valve with current.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is two dimensional structure schematic diagram of the present utility model.
Fig. 3 is flushing arm perforate front view (hole is rectangle) of the present utility model.
Fig. 4 is flushing arm perforate front view of the present utility model (hole is for circular).
Fig. 5 is flushing arm sectional view of the present utility model.
Fig. 6 is positive backwashing manner schema of the present utility model.
Fig. 7 is the positive backwashing manner schema of another kind of the present utility model.
Fig. 8 is backwash mode schema of the present utility model.
Wherein, 1, body of wall, 2, cloth water channel, 3, flushing valve, 4, emptying valve, 5, overflow port, 6, wetland plant, 7, cover plate, 8, braiding channel, 9, high-level outlet flushing valve door, 10, median water level flowing water Valve, 11, low-water level flowing water Valve, 12, catchment supervisor, and 13, collection branch pipe, 14, water outlet packing area, 15, easily bottleneck area, 16, arm is rinsed, 17, rinse supervisor, 18, bed course, 19, water inlet pipe, 20, inlet valve, 21, undercurrent pond, 22, slot, 23, circular port.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Front and back end in the utility model refers to: accompanying drawing is from top to bottom for from front to back.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of system effectively can improving Performance of Constructed Wetlands Substrates blocking, comprises the cloth water channel 2 connected successively, the undercurrent pond 21 that packing layer is housed and braiding channel 8.
The body of wall 1 on cloth water channel 2 top is installed into penstock 20 by water inlet pipe 19, and inlet valve 20 installation site is the centre of cloth water channel 2.The bottom of cloth water channel 2 rear end is provided with emptying valve 4, and the front and back end, bottom surface of cloth water channel 2 has certain gradient, advantageously in sewage is emptying.For further anticorrosion waterproof cloth water channel 2 is arranged on bed course 18.
Be provided with overflow port 5 between cloth water channel 2 top and top, undercurrent pond 21, the sewage in cloth water channel 2 is entered in undercurrent pond 21 by overflow port 5 and processes.The flushing being provided with the sewage that circulates between bottom cloth water channel 2 and bottom undercurrent pond 21 is responsible for 17, one end of described flushing supervisor 17 is provided with control sewage and enters undercurrent pond 21 and be positioned at the flushing valve 3 of cloth water channel 2, the other end of described flushing supervisor 17 is provided with the flushing arm 16 being positioned at undercurrent pond 21, and the structure of described flushing supervisor 17 and flushing arm 16 is T font.As shown in Figures 3 and 5, lower half circumference rinsing arm 16 is provided with left right-alternative two rounds, and two rows of openings are 60 ° of angles.The shape in hole is rectangle, wherein the size of slot 22 long 50 ~ 100cm, wide 0.3 ~ 1cm, adjacent slot 22 be spaced apart 10 ~ 30cm.Cross lot of experiment validation and analysis, the developing result under above described holes structural condition is better.
One end near cloth water channel 2 in undercurrent pond 21 is the easy bottleneck area 15 of sewage impurity, filler mainly volcanics and the cobble of easy bottleneck area 15; In undercurrent pond 21, middle portion is provided with different types of multiple filling layers, and the superiors' filling surface is provided with the planting soil of plantation wetland plant 6; One end near braiding channel 8 before in undercurrent pond 21 is water outlet packing area 14, the filler mainly cobble of water outlet packing area 14.
Be provided with the supervisor 12 that catchments between undercurrent pond 21 and braiding channel 8, described in catchment one end of supervisor 12 be provided with the collection branch pipe 13 being positioned at undercurrent pond 21, described in the catchment the other end of supervisor 12 be provided with high, medium and low water level flowing water Valve.The pipe crest level of the supervisor 12 that catchments that high-level outlet flushing valve door 9 connects is identical with packing layer top, together, the pipeline elevation of the supervisor 12 that catchments that low-water level flowing water Valve 11 connects is identical with the bottom of packing layer for the pipeline elevation of the supervisor 12 that catchments that median water level flowing water Valve 10 connects and the mesophase spherule of packing layer.By arranging the flowing water Valve of different heights, realize the flushing in various degree to filler.
When cloth water channel 2 is wider, can arrange many and rinse supervisor 17 on water distribution canal width, adjacent two rinse supervisor 17 spacing 4m.
In addition, cloth water channel 2 and braiding channel 8 are equipped with cover plate 7, and cover plate 7 is Prefabricated, and thickness is 12cm, make the process of sewage disposal present a relatively airtight environment, preventing pollution environment.
Embodiment 2
As illustrated in fig. 1 and 2, a kind of system effectively can improving Performance of Constructed Wetlands Substrates blocking, comprises the cloth water channel 2 connected successively, the undercurrent pond 21 that packing layer is housed and braiding channel 8.
The body of wall 1 on cloth water channel 2 top is installed into penstock 20 by cloth water channel water inlet pipe 19, and inlet valve 20 installation site is the centre of cloth water channel 2.The bottom of cloth water channel 2 rear end is provided with emptying valve 4, and the front and back end, bottom surface of cloth water channel 2 has certain gradient, advantageously in sewage is emptying.
For further anticorrosion waterproof cloth water channel 2 is arranged on bed course 18.
Be provided with overflow port 5 between cloth water channel 2 top and top, undercurrent pond 21, the sewage in cloth water channel 2 is entered in undercurrent pond 21 by overflow port 5 and processes.The flushing being provided with the sewage that circulates between bottom cloth water channel 2 and bottom undercurrent pond 21 is responsible for 17, one end of described flushing supervisor 17 is provided with control sewage and enters undercurrent pond 21 and be positioned at the flushing valve 3 of cloth water channel 2, the other end of described flushing supervisor 17 is provided with the flushing arm 16 being positioned at undercurrent pond 21, and the structure of described flushing supervisor 17 and flushing arm 16 is T font.As shown in Figure 4, lower half circumference rinsing arm 16 is provided with left right-alternative two rounds, and two rows of openings are 90 ° of angles.The shape in hole is circular, and wherein the size diameter of circular port 22 is 0.3 ~ 1.5cm, adjacent circular hole 23 be spaced apart 1 ~ 5cm.Cross lot of experiment validation and analysis, the developing result under above-mentioned circular pore structure condition is better.
One end near cloth water channel 2 in undercurrent pond 21 is the easy bottleneck area 15 of sewage impurity, filler mainly volcanics and the cobble of easy bottleneck area 15; In undercurrent pond 21, middle portion is provided with different types of multiple filling layers, and the superiors' filling surface is provided with the planting soil of plantation wetland plant 6; One end near braiding channel 8 in undercurrent pond 21 is water outlet packing area 14, the filler mainly cobble of water outlet packing area 14.
Be provided with the supervisor 12 that catchments between undercurrent pond 21 and braiding channel 8, described in catchment one end of supervisor 12 be provided with the collection branch pipe 13 being positioned at undercurrent pond 21, described in the catchment the other end of supervisor 12 be provided with high, medium and low water level flowing water Valve.The pipe crest level of the supervisor 12 that catchments that high-level outlet flushing valve door 9 connects is identical with packing layer top, together, the pipeline elevation of the supervisor 12 that catchments that low-water level flowing water Valve 11 connects is identical with the bottom of packing layer for the pipeline elevation of the supervisor 12 that catchments that median water level flowing water Valve 10 connects and the mesophase spherule of packing layer.By arranging the flowing water Valve of different heights, realize the flushing in various degree to filler.
When cloth water channel 2 is wider, many can be arranged rinse supervisor 17, adjacent flushing supervisor 17 spacing 5m on water distribution canal width.
In addition, cloth water channel 2 and braiding channel 8 are equipped with cover plate 7, and cover plate 7 is cast-in-place cover plate, and thickness is 15cm, make the process of sewage disposal present a relatively airtight environment, preventing pollution environment.
Embodiment 3
As illustrated in fig. 1 and 2, a kind of system effectively can improving Performance of Constructed Wetlands Substrates blocking, comprises the cloth water channel 2 connected successively, the undercurrent pond 21 that packing layer is housed and braiding channel 8.
The body of wall 1 on cloth water channel 2 top is installed into penstock 20 by cloth water channel water inlet pipe 19, and inlet valve 20 installation site is the centre of cloth water channel 2.Be provided with emptying valve 4 bottom cloth water channel 2 rear end, the front and back end, bottom surface of cloth water channel 2 has certain gradient, advantageously in sewage is emptying.For further anticorrosion waterproof cloth water channel 2 is arranged on bed course 18.
Be provided with overflow port 5 between cloth water channel 2 top and top, undercurrent pond 21, the sewage in cloth water channel 2 is entered in undercurrent pond 21 by overflow port 5 and processes.The flushing being provided with the sewage that circulates between bottom cloth water channel 2 and bottom undercurrent pond 21 is responsible for 17, one end of described flushing supervisor 17 is provided with control sewage and enters undercurrent pond 21 and be positioned at the flushing valve 3 of cloth water channel 2, the other end of described flushing supervisor 17 is provided with the flushing arm 16 being positioned at undercurrent pond 21, and the structure of described flushing supervisor 17 and flushing arm 16 is T font.As shown in Figures 3 and 5, lower half circumference rinsing arm 16 is provided with left right-alternative two rounds, and two rows of openings are hexagonal angle.The shape in hole is rectangle, wherein the size of slot 22 long 50 ~ 100cm, wide 0.3 ~ 1cm, adjacent slot 22 be spaced apart 10 ~ 30cm.Cross lot of experiment validation and analysis, the developing result under above described holes structural condition is better.
One end near cloth water channel 2 in undercurrent pond 21 is the easy bottleneck area 15 of sewage impurity, filler mainly volcanics and the cobble of easy bottleneck area 15; In undercurrent pond 21, middle portion is provided with different types of multiple filling layers, and the superiors' filling surface is provided with the planting soil of plantation wetland plant 6; One end near braiding channel 8 in undercurrent pond 21 is water outlet packing area 14, the filler mainly cobble of water outlet packing area 14.
Be provided with the supervisor 12 that catchments between undercurrent pond 21 and braiding channel 8, described in catchment one end of supervisor 12 be provided with the collection branch pipe 13 being positioned at undercurrent pond 21, described in the catchment the other end of supervisor 12 be provided with high, medium and low water level flowing water Valve.The pipe crest level of the supervisor 12 that catchments that high-level outlet flushing valve door 9 connects is identical with packing layer top, together, the pipeline elevation of the supervisor 12 that catchments that low-water level flowing water Valve 11 connects is identical with the bottom of packing layer for the pipeline elevation of the supervisor 12 that catchments that median water level flowing water Valve 10 connects and the mesophase spherule of packing layer.By arranging the flowing water Valve of different heights, realize the flushing in various degree to filler.
When cloth water channel 2 is wider, many can be arranged rinse supervisor 17, adjacent flushing supervisor 17 spacing 6m on water distribution canal width.
In addition, cloth water channel 2 and braiding channel 8 are equipped with cover plate 7, and cover plate 7 is Prefabricated, and thickness is 12cm, make the process of sewage disposal present a relatively airtight environment, preventing pollution environment.
Embodiment 4
As shown in Figure 6, utilize the device of embodiment 1 to realize effectively improving the method for Performance of Constructed Wetlands Substrates blocking, when wetland normally runs, sewage enters in cloth water channel 2, when water level reaches the position of overflow port 5, is entered in wetland undercurrent pond 21 by overflow port 5.Now, the pressure that flushing valve 3 is subject to high-water sewage in cloth water channel 2 is in closing condition, sewage in undercurrent pond 21 after treatment, being imported by collection branch pipe 13 catchments in supervisor 12, flowed out by high-level outlet flushing valve door 9, now, in, low flowing water Valve 10,11 is in closing condition.After running for some time, close high-level outlet flushing valve door 9, open low-water level flowing water Valve 11.Owing to there is liquid level pressure reduction, Water discharge flow speed is accelerated, and the surging force that current produce can be dredged the interstitial material of filler, makes sewage flow passage more smooth and easy, realizes the just flushing to filler.
Embodiment 5
As shown in Figure 7, utilize the device of embodiment 1 to realize imitating the method improving Performance of Constructed Wetlands Substrates blocking, after sewage enters undercurrent pond by overflow port 5, become greatly suddenly because water flow section is long-pending, flow velocity sharply slows down.Suspended impurity in water is accelerated in the packing area settling velocity of water inlet overflow port 5 rear end, forms Yi Du district.Open flushing valve 3 and low-water level flowing water Valve 11 after running for some time, close high-level outlet flushing valve door 9, commute bottleneck area is just rinsed, and realizes the dredging of pipelined channel between filler, and part sediment flows into water collecting basin 8 by low-water level flowing water Valve 11.
Embodiment 6
As shown in Figure 8, utilize the device of embodiment 1 to realize method that effect improves Performance of Constructed Wetlands Substrates blocking, sewage enters undercurrent pond by overflow port 5, in closedown, low flowing water Valve 10,11.When wastewater level reaches elevation at the bottom of the rising pipe pipe of high-level outlet flushing valve door 9 connection, close cloth water channel inlet valve 20, open cloth water channel exhaust-valve door 4, after cloth water channel is emptying, open flushing valve 3.Sewage in cloth water channel by reflux in undercurrent pond, is flowed out by cloth water channel exhaust-valve door 4, realizes the back flushing of filler.
Embodiment 7
In order to effectively improve the blocking of Performance of Constructed Wetlands Substrates, alternately adopting the method for embodiment 4 and embodiment 5 just to rinse filler, making developing result better.
Embodiment 8
In order to effectively improve the blocking of Performance of Constructed Wetlands Substrates, alternately adopting embodiment 4 pairs of fillers just rinsing and adopting the method for embodiment 6 to carry out back flushing to filler, making developing result better.
Embodiment 9
In order to effectively improve the blocking of Performance of Constructed Wetlands Substrates, alternately adopting embodiment 5 pairs of fillers just rinsing and adopting the method for embodiment 6 to carry out back flushing to filler, making developing result better.
Embodiment 10
In order to effectively improve the blocking of Performance of Constructed Wetlands Substrates, alternately adopting embodiment 4 and embodiment 5 pairs of fillers just rinsing and are adopting the method for embodiment 6 to carry out back flushing to filler, making developing result better.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. one kind effectively can be improved the system of Performance of Constructed Wetlands Substrates blocking, comprise the cloth water channel connected successively, the undercurrent pond that packing layer is housed and braiding channel, it is characterized in that: bottom described cloth water channel, be provided with emptying valve, the overflow port of circulation sewage is provided with between described cloth water channel and undercurrent pond, be provided with to rinse between bottom described cloth water channel and bottom undercurrent pond and be responsible for, the described supervisor of flushing is provided with and controls sewage and enter flushing valve in undercurrent pond or cloth water channel, and described flushing supervisor is also provided with the flushing arm being positioned at undercurrent pond; Be provided with to catchment between described undercurrent pond and braiding channel and be responsible for, described in catchment one end of supervisor be provided with the collection branch pipe being positioned at undercurrent pond, described in the catchment the other end of supervisor be provided with the flowing water Valve of at least two different heights water levels.
2. the system as claimed in claim 1, is characterized in that: described cloth water channel is provided with inlet valve.
3. system as claimed in claim 1 or 2, is characterized in that: be provided with overflow port between the top of described cloth water channel and top, undercurrent pond.
4. system as claimed in claim 1 or 2, is characterized in that: the bottom surface of described cloth water channel is along water distribution canal width, horizontal by certain angle, and described emptying valve is arranged on the lower one end of physical features.
5. system as claimed in claim 1 or 2, is characterized in that: water distribution canal width is arranged many and rinse supervisor, adjacent flushing supervisor spacing 4 ~ 6m.
6. system as claimed in claim 1 or 2, is characterized in that: the body of described flushing arm is provided with pore structure.
7. system as claimed in claim 6, is characterized in that: lower half circumference rinsing arm is provided with left right-alternative two rounds, and two rows of openings are 60 °, 90 ° or hexagonal angle.
8. system as claimed in claim 7, is characterized in that: the shape in hole is rectangle or circle, wherein the size of slot long 50 ~ 100cm, wide 0.3 ~ 1cm, adjacent holes be spaced apart 10 ~ 30cm; The size diameter of circular port is 0.3 ~ 1.5cm, and adjacent holes spacing is 1 ~ 5cm.
9. system as claimed in claim 1 or 2, it is characterized in that: described in catchment supervisor the other end be provided with high, medium and low water level flowing water Valve, the pipe crest level of the supervisor that catchments of high-level outlet flushing valve door connection is identical with packing layer top, the pipeline elevation of what median water level flowing water Valve connected the catchment pipeline elevation of supervisor and the supervisor that catchments that the mesophase spherule of packing layer connects with, low-water level flowing water Valve is identical with the bottom of packing layer.
10. system as claimed in claim 1 or 2, is characterized in that: described cloth water channel and braiding channel are equipped with cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764148.2U CN204958535U (en) | 2015-09-29 | 2015-09-29 | System for can effectively improve constructed wetland filler blocks up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764148.2U CN204958535U (en) | 2015-09-29 | 2015-09-29 | System for can effectively improve constructed wetland filler blocks up |
Publications (1)
| Publication Number | Publication Date |
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| CN204958535U true CN204958535U (en) | 2016-01-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110479A (en) * | 2015-09-29 | 2015-12-02 | 山东山大华特科技股份有限公司 | System and method thereof capable of effectively alleviating constructed wetland filler blocking |
| CN108609736A (en) * | 2018-05-18 | 2018-10-02 | 中国科学院南京地理与湖泊研究所 | A kind of horizontal flow artificial wetland anti-clogging purifier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110479A (en) * | 2015-09-29 | 2015-12-02 | 山东山大华特科技股份有限公司 | System and method thereof capable of effectively alleviating constructed wetland filler blocking |
| CN105110479B (en) * | 2015-09-29 | 2017-09-29 | 山东山大华特科技股份有限公司 | A kind of system and method for being effectively improved Performance of Constructed Wetlands Substrates blocking |
| CN108609736A (en) * | 2018-05-18 | 2018-10-02 | 中国科学院南京地理与湖泊研究所 | A kind of horizontal flow artificial wetland anti-clogging purifier |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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