Summary of the invention
Main purpose of the present invention is to solve above-mentioned except the problem in algae, provides a kind of ship borne type micro-filtration except phytem system and algae-removing method.
The technical solution adopted for the present invention to solve the technical problems is:
Formed by hull main body, micro-filter main body, water-in, water intaking chamber, micro-filter water port, discharge outlet, screw press, ultrasonic wave position finder, catch basin, back-purge system, algae receiving tank, screw press, receipts slag pipe and phosphorus adsorber, hull main body entirety is ship type, for forward andor aft, fore bottom arranges water-in, water-in entirety is rectangular, water-in is obliquely installed along fore boat bottom, and match with fore bottom, on water-in, install grid, strain the foreign material that remove in former water and enter water intaking chamber, water-in connects with water intaking chamber.
The present invention changes traditional mode of production, Installation Modes in the past, 1 micro-filter main body can be arranged in hull main body, or several parallel being arranged in hull main body of micro-filter main body, or the micro-filter of selecting different model is arranged in hull main body, for waste water, sewage, clean water treatment, change mobile installing type into by fixed installation formula in the past, increased the use handiness of ship borne type micro-filtration except phytem system.The present invention is for the energy resource supply problem of resolution system, and the system of being in particular has increased solar electrical energy generation power supply and the UPS energy resource supply combining of power, has reached energy-saving and environmental protection, in processing blue-green algae pollution, does not increase new energy consumption.
The present invention on the bow bottom arranges rectangle angle, as water-in, former water (water body to be filtered) enters the cup of water intaking chamber by water-in, open after inlet gate, former water enters the rear chamber of water intaking chamber, be arranged on water intaking chamber after the horizontal lift pump of chamber be transported to micro-filter main body along hydraulic pipe.Hull main body adopts structure iron for hull, carbon fiber material, carbon steel and Hi-Stren steel material to make.
The top of the stern of hull main body arranges wheel house, and the bottom of the stern of hull main body arranges discharge outlet, and discharge outlet arranges along stern bottom, and matches with stern bottom, and discharge outlet and water purification delivery pipe connect.
Former water after the present invention is filtered oozes out by filter cloth, and when water level exceedes overfall, the former water after being filtered flows in catch basin, discharge micro-filter main body through water port, enter phosphorus adsorber, after dephosphorization, discharge outside hull main body by discharge outlet again, gravity flow is discharged in waters.
Water intaking chamber is set in fore, water intaking chamber entirety is doline, inlet gate is installed at middle part, water intaking chamber, water intaking chamber is divided into chamber behind water intaking chamber cup and water intaking chamber, the leading section of water intaking chamber cup is water-in, the middle part of water intaking chamber arranges inlet gate, the inlet gate sealing cup of intake chamber and the rear chamber of intake chamber, lift pump is installed in the end, rear chamber of water intaking chamber, the delivery port of lift pump is connected with an end of hydraulic pipe, the other end of hydraulic pipe is connected with the rotary drum of micro-filter main body, and former water is introduced in rotary drum.
The present invention adopts inlet gate that water intaking chamber is divided into cup and rear chamber, close the heavy burden that the former water of inlet gate does not enter the rear chamber minimizing fore of water intaking chamber, do not affect travelling of hull main body, implement filtration operation, open inlet gate, former water is put into the rear chamber of water intaking chamber, the lift pump that is installed in chamber behind water intaking chamber raw water in the rotary drum of micro-filter main body.
In hull main body, solar panels are set, the power storage of solar panels conversion is in store battery, and store battery is connected with screw press with lift pump, drive-motor, flushing pump, phosphorus adsorber.
The present invention is in order to solve energy resource supply problem, make full use of the ceiling of hull main body, on the ceiling of hull, install solar panels, in addition, hull main body travel and operational period between, have the condition of drawing widely sun power, increased solar electrical energy generation power supply and the UPS energy resource supply combining of powering, reach energy-saving and environmental protection, in processing blue-green algae pollution, do not increased new energy consumption.
Micro-filter main body is by rotary drum, filter cloth, filter box, overfall, micro-filter water port, drive-motor, overflow port, algae receiving tank, wash-down water receiving tank, ultrasonic wave position finder, back-purge system, dephosphorization transfer lime, receive slag pipe, blow-down pipe, water purification delivery pipe and catch basin composition, 1 micro-filter main body is at least installed in hull main body, micro-filter main body entirety is box-shaped, be divided into filter box and catch basin, micro-filter main body middle part arranges overfall, overfall is divided into filter box and catch basin micro-filter body portion, filter box entirety is box-shaped, in filter box, install rotary drum and implement to filter former water, catch basin entirety is box-shaped, catch basin is collected the former water after filtering, the top of overfall and micro-filter main body upper inside wall form overflow port, former water overflow port after filter box inner filtration flows out, enter in catch basin, the output terminal of catch basin arranges the former water after the output filtering of micro-filter water port.
The present invention arranges one or several micro-filter main bodys in hull main body according to design requirements, the area in waters is less, and hull main body is unsuitable excessive, and the quantity that micro-filter main body is set in hull main body will reduce; The area in waters is larger, and except the workload of algae strengthens, hull main body can strengthen, and the quantity that micro-filter main body is set in hull main body can increase.
Micro-filter main body adopts sheet metal and shape to make, filter box, catch basin and overfall all adopt sheet metal and shape to make, adopt overfall that micro-filter body interior is divided into filter box and catch basin, utilize the principle of former water gravity flow, after the water level of the former water after filter box inner filtration raises, flow in catch basin, without the energy from the overflow port of the upper end of overfall.
Micro-filter bottom part body is installed blow-off valve, opens the former water in blow-off valve emptying micro-filter main body, safeguards, overhauls micro-filter main body.
The present invention, when needs are to micro-filter main body putting maintenance into practice or when maintenance, first opens blow-off valve, the former water in emptying micro-filter main body, then safeguard or overhaul
.
Ultrasonic wave position finder is installed on micro-filter main body top, the water level of the former water after ultrasonic wave position finder monitoring filter box inner filtration, in filter box, install rotary drum, rotary drum entirety is barrel-shaped, the surrounding of rotary drum arranges filter cloth rack, on filter cloth rack, install filter cloth, filter-cloth filtering goes out the algae substances in former water, rotary drum and filter box are separated airtight, hydraulic pipe is connected with rotary drum, hydraulic pipe is in former water input rotary drum, drive-motor is connected with rotary drum, drive-motor drives drum rotating, algae receiving tank and wash-down water receiving tank are set in rotary drum, wash-down water receiving tank entirety is bucket shape, receive the former water that back-purge system rinses filter cloth, algae receiving tank the raw water with algae rinsing to screw press, algae receiving tank output terminal is connected with the receipts slag pipe of screw press.
The present invention injects former water the characteristic of utilizing water in rotary drum, and rotary drum and filter box are separated airtight, and former water is from filter cloth through entering filter box, and the algae substances that former water carries resides in the filter cloth inner side of rotary drum, from former water, filters to isolate algae substances.The surrounding of rotary drum arranges filter cloth rack, and filter cloth rack adopts metallic steel material, polyester material to make, and on filter cloth rack, filter cloth is set, and filter cloth adopts yarn fabric material to make.Wash-down water receiving tank and algae receiving tank are installed in top in rotary drum, wash-down water receiving tank and algae receiving tank adopt sheet metal material to make, wash-down water receiving tank and algae receiving tank are collected spray water and are seen through algae substances and the spray water that filter cloth washing gets off, and are transported to screw press separation algae substances and spray water by receiving slag pipe.
The former water that the ultrasonic wave position finder monitoring that install on micro-filter main body of the present invention top flows into is with the waterhead between water that is filtered flowing out, when the former water that exceeds inflow is with the waterhead between water that is filtered flowing out, rotary drum rotates, rotary drum back-purge system in rotation rinses the filter cloth on rotary drum, the spray water that the algae substances that resides in the inner side of filter cloth on rotary drum is backwashed device rinses out, spray water falls in wash-down water receiving tank together with algae substances, the spray water falling in wash-down water receiving tank flows in algae receiving tank together with algae substances, be transported to screw press by receiving slag pipe.
Back-purge system is installed on micro-filter main body top, back-purge system is by shower, mouth spray and flushing pump composition, the upper top of rotary drum arranges shower, shower is installed along rotary drum, shower is connected with flushing pump, mouth spray is set on shower, mouth spray is corresponding with the filter cloth on top on rotary drum, the spray water of mouth spray ejection rinses the algae substances on filter cloth, spray water sees through filter cloth and falls in wash-down water receiving tank together with algae substances, enter algae receiving tank, the output terminal of algae receiving tank is connected with receipts slag pipe, the algae substances in algae receiving tank and raw water to screw press, screw press separates algae substances and Yuan Shui.
Back-purge system is installed on micro-filter main body of the present invention top, on the shower of back-purge system, mouth spray is set, mouth spray is aimed at the filter cloth outside of rotary drum upper end, when the solid impurities such as the algae gathering on filter cloth reach a certain amount of, the former water that ultrasonic wave position finder monitoring flows into and the water purification waterhead of outflow, when exceeding the water level numerical value of design, rotary drum starts to rotate, and starts flushing arrangement and carry out back flushing.High-pressure washing water rinses in rotary drum by the mouth spray of shower, recovers the strainability of filter cloth, keeps clean filter cloth, reduces the water level in rotary drum, stops the rotation of rotary drum, and when the dividing plate on filter cloth can prevent drum rotating, solid impurity is got back in former water again.
Screw press is installed in a side of micro-filter main body, algae substances and the Yuan Shui of the conveying of algae receiving tank output terminal enter screw press, the algae substances that the screw rod of screw press squeezes out is discharged from scum mouth, and filter again the rear chamber that the former water that screw press squeezes out is transmitted back to water intaking chamber by return water pipe.
The present invention installs screw press in the side of micro-filter main body, the algae substances of the conveying of algae receiving tank output terminal and former water are transported to screw press by receiving slag pipe, the algae substances of carrying becomes algae mud through the squeezing of the screw rod of screw press, discharge from scum mouth, the former water that screw press is separated is transmitted back to the rear chamber of water intaking chamber by return water pipe, the former water that screw press is separated together filters in company with the former water in the waters of introducing.
The micro-filter water port of catch basin output terminal is connected with dephosphorization transfer lime, one end of dephosphorization transfer lime is connected with the micro-filter water port of catch basin, the other end of dephosphorization transfer lime is connected with phosphorus adsorber, the former water being filtered enters phosphorus adsorber along dephosphorization transfer lime, phosphorus substance in former water after phosphorus adsorber separating and filtering, the output terminal of phosphorus adsorber is connected with water purification delivery pipe, one end of water purification delivery pipe is connected with the output terminal of phosphorus adsorber, the other end of water purification delivery pipe is connected with the discharge outlet of stern, the discharge outlet of former water after purification along water purification delivery pipe from stern is discharged into waters, it is stand-by that the isolated phosphorus substance of phosphorus adsorber is made finished product.
In the former water that the present invention is filtered, can contain phosphoric, directly discharge also can cause the breeding of algae, so that alga eruption, so, just need to implement dephosphorization operation to the former water being filtered.The present invention adopts phosphorus adsorber to remove the phosphorus in the former water being filtered by the mode of throwing in molysite Phosphate Sorption, and the phosphoric separating from the former water being filtered makes finished product, and the growth promoter that can be used as farmland planting uses.
Hull main body need to enter the waters except algae, hull main body top arranges wheel house and drives hull main body to enter the waters except algae, entering and need to absorb the electric energy that solar energy converting becomes except the solar panels in hull main body in the process in algae waters, power storage to stand-by in store battery.
No matter hull main body is travelled or stagnates the electric energy that solar panels can be changed solar energy in the present invention, and is stored in secondary battery, in order to stand-by.
Arrival need to be except the waters of algae, hull main body is stuck in need to remove algae waters, the fore bottom water-in of hull main body is put into the cup that need to enter except the former water in the waters of algae water intaking chamber, the grid that install the end of water intaking chamber cup is strained the cup that enters water intaking chamber except the foreign material in former water, open the former water of inlet gate from water intaking chamber cup enter water intaking chamber chamber, start and be installed in the lift pump of chamber behind water intaking chamber, lift pump is introduced former water in the rotary drum of micro-filter main body by hydraulic pipe, the algae substances that former water carries resides in the inner surface of filter cloth, algae substances is separated from former water, the former water being filtered sees through filter cloth and oozes out, enter in the filter box outside rotary drum, along with the former water being filtered constantly oozes out, water level in filter box also improves in succession, when water level exceedes overfall upper end, the former water being filtered flows out from the overflow port of overfall upper end, enter in catch basin.
The micro-filter water port that the former water being filtered arranges from catch basin output terminal flows into phosphorus adsorber by dephosphorization transfer lime, phosphorus adsorber adopts molysite to remove the phosphorus in the former water being filtered, phosphorus substance in former water after phosphorus adsorber separating and filtering, the discharge outlet of former water after purification along water purification delivery pipe from stern is discharged into waters, and it is stand-by that the isolated phosphorus substance of phosphorus adsorber is made finished product.
When after rotary drum operation for some time of micro-filter main body, the algae substances that resides in the inner surface of filter cloth increases thickening, reduce oozing out of former water, the water level of the former water being filtered in filter box drops to standard, the water level of the former water in rotary drum rises to standard, ultrasonic wave position finder monitors the change of level of filter box and rotary drum, start the flushing pump of back-purge system, the filter cloth that mouth spray on shower is aimed on rotary drum filter cloth rack implements to rinse filter cloth, the spray water of mouth spray ejection resides in the algae substances of the inner surface of filter cloth through filter cloth washing, spray water falls in wash-down water receiving tank together with algae substances, spray water enters algae receiving tank together with algae substances from wash-down water receiving tank, spray water is transported to screw press by the output terminal of algae receiving tank along receiving slag pipe together with algae substances, screw press separates algae substances with former water, the algae substances that the screw rod of screw press squeezes out is discharged from scum mouth, filter again the rear chamber that the former water that screw press squeezes out is transmitted back to water intaking chamber by return water pipe.
Start drive-motor, rotate before rotary drum forwards mouth spray to one by one the filter cloth on rotary drum and implement to rinse filter cloth.
When back-purge system is rinsed the filter cloth on micro-filter main body rotary drum well, the water level of the former water being filtered in filter box rises to standard, the water level of the former water in rotary drum drops to standard, the former water being filtered flows into catch basin from overflow port, micro-filter main body is recovered the former water of filtration of standard, the flushing pump of cutting out back-purge system stops rinsing operation, close drive-motor, stop the rotation of rotary drum, close screw press, stop the operation that algae substances separates with former water, recover the filtration operation of micro-filter main body, reciprocation cycle.
The present invention is that ship borne type micro-filtration is except phytem system and algae-removing method.The present invention is reasonable in design, compact construction, make simple, easy and simple to handle, high flow capacity, the cost of operation and maintenance is low, long service life, the continual full scale clearance of solid matter leaching goes out rotary drum, in rotary drum without remaining, residue after filtration falls back in untreated water source, filter thoroughly, to filter cloth without pressure long service life, according to the situation in different waters, design different hull main bodys, in hull main body, different micro-filter main body and different quantities are installed, the micro-filter main body of different model, to adapt to different waters, be conducive to widespread use.
Embodiment
Embodiment 1
By hull main body (1), micro-filter main body (8), water-in (3), water intaking chamber (4), micro-filter water port (13), discharge outlet (14), screw press (23), ultrasonic wave position finder (19), catch basin (34), back-purge system (20), algae receiving tank (17), screw press (23), receive slag pipe (31) and phosphorus adsorber (28) composition, hull main body (1) entirety is ship type, for fore (2) and stern (26), fore (2) bottom arranges water-in (3), water-in (3) entirety is rectangular, water-in (3) is obliquely installed along fore (2) boat bottom, and match with fore (2) bottom, water-in is installed grid on (3), strain the foreign material that remove in former water and enter water intaking chamber (4), water-in (3) connects with water intaking chamber (4).
The top of the stern (26) of hull main body (1) arranges wheel house (27), the bottom of the stern (26) of hull main body (1) arranges discharge outlet (14), discharge outlet (14) arranges along stern (26) bottom, and match with stern (26) bottom, discharge outlet (14) connects with water purification delivery pipe (33).
Water intaking chamber (4) is set in fore (2), water intaking chamber (4) entirety is doline, inlet gate (5) is installed at middle part, water intaking chamber (4), water intaking chamber (4) is divided into rear chamber, water intaking water intaking chamber, cup river, chamber (4) (4), the leading section of water intaking chamber (4) cup is water-in (3), the middle part of water intaking chamber (4) arranges inlet gate (5), the cup of inlet gate (5) sealing intake chamber (4) and the rear chamber of intake chamber (4), lift pump (6) is installed in the end, rear chamber of water intaking chamber (4), the delivery port of lift pump (6) is connected with an end of hydraulic pipe (7), the other end of hydraulic pipe (7) is connected with the rotary drum (9) of micro-filter main body (8), former water is introduced in rotary drum (9).
Solar panels (35) are set in hull main body (1), the power storage of solar panels (35) conversion is in store battery, store battery is connected with lift pump (6), drive-motor (15), flushing pump (29), phosphorus adsorber (28) and screw press (23), as shown in Figure 1 and Figure 2.
Embodiment 2
Micro-filter main body (8) is by rotary drum (9), filter cloth (10), filter box (11), overfall (12), micro-filter water port (13), drive-motor (15), overflow port (16), algae receiving tank (17), wash-down water receiving tank (18), ultrasonic wave position finder (19), back-purge system (20), dephosphorization transfer lime (30), receive slag pipe (31), blow-down pipe (32), water purification delivery pipe (33) and catch basin (34) composition, 1 micro-filter main body (8) is at least installed in hull main body (1), micro-filter main body (8) entirety is box-shaped, be divided into filter box (11) and catch basin (34), micro-filter main body (8) middle part arranges overfall (12), overfall (12) is separated into filter box (11) and catch basin (34) micro-filter main body (8), filter box (11) entirety is box-shaped, in filter box (11), install rotary drum (9) and implement to filter former water, catch basin (34) entirety is box-shaped, catch basin (34) is collected the former water after filtering, the top of overfall (12) and micro-filter main body (8) upper inside wall form overflow port (16), former water overflow port (16) after filter box (11) inner filtration flows out, enter in catch basin (34), the output terminal of catch basin (34) arranges the former water after micro-filter water port (13) output filtering.
Blow-off valve (32) is installed in micro-filter main body (8) bottom, opens the former water in blow-off valve (32) emptying micro-filter main body (8), safeguards, overhauls micro-filter main body (8).
Ultrasonic wave position finder (19) is installed on micro-filter main body (8) top, the water level of the former water after ultrasonic wave position finder (19) monitoring filter box (11) inner filtration, in filter box (11), install rotary drum (9), rotary drum (9) entirety is barrel-shaped, the surrounding of rotary drum (9) arranges filter cloth rack (36), on filter cloth rack (36), install filter cloth (10), filter cloth (10) filters out the algae substances in former water, rotary drum (9) is separated airtight with filter box (11), hydraulic pipe (7) is connected with rotary drum (9), hydraulic pipe (7) is in former water input rotary drum (9), drive-motor (15) is connected with rotary drum (9), drive-motor (15) drives rotary drum (9) rotation, algae receiving tank (17) and wash-down water receiving tank (18) are set in rotary drum (9), wash-down water receiving tank (18) entirety is bucket shape, receive the former water that back-purge system (20) rinses filter cloth (10), algae receiving tank (17) the raw water with algae rinsing to screw press (23), algae receiving tank (17) output terminal is connected with the receipts slag pipe (31) of screw press (23).
Back-purge system (20) is installed on micro-filter main body (8) top, back-purge system (20) is by shower (21), mouth spray (22) and flushing pump (29) composition, the upper top of rotary drum (9) arranges shower (21), shower (21) is installed along rotary drum (9), shower (21) is connected with flushing pump (29), mouth spray (22) is set on shower (21), mouth spray (22) is corresponding with the filter cloth (10) on the upper top of rotary drum (9), the spray water of mouth spray (22) ejection rinses the algae substances on filter cloth (10), spray water sees through filter cloth (10) and falls in wash-down water receiving tank (18) together with algae substances, enter algae receiving tank (17), the output terminal of algae receiving tank (17) is connected with receipts slag pipes (31), the algae substances in algae receiving tank (17) and raw water to screw press (23), screw press (23) separates algae substances and Yuan Shui, as figure Fig. 3, shown in Fig. 4.
Embodiment 3
Screw press (23) is installed in a side of micro-filter main body (8), algae substances and the Yuan Shui of the conveying of algae receiving tank (17) output terminal enter screw press (23), the algae substances that the screw rod of screw press (23) squeezes out is discharged from scum mouth (24), filter again the rear chamber that the former water that screw press (23) squeezes out is transmitted back to water intaking chamber (4) by return water pipe (25), as shown in Figure 2, Figure 3, Figure 4.
Embodiment 4
The micro-filter water port (13) of catch basin (34) output terminal is connected with dephosphorization transfer lime (30), one end of dephosphorization transfer lime (30) is connected with the micro-filter water port (13) of catch basin (34), the other end of dephosphorization transfer lime (30) is connected with phosphorus adsorber (28), the former water being filtered enters phosphorus adsorber (28) along dephosphorization transfer lime (30), phosphorus substance in former water after phosphorus adsorber (28) separating and filtering, the output terminal of phosphorus adsorber (28) is connected with water purification delivery pipe (33), one end of water purification delivery pipe (33) is connected with the output terminal of phosphorus adsorber (28), the other end of water purification delivery pipe (33) is connected with the discharge outlet (14) of stern (26), the discharge outlet (14) of former water after purification along water purification delivery pipe (33) from stern (26) is discharged into waters, it is stand-by that the isolated phosphorus substance of phosphorus adsorber (28) is made finished product, as Fig. 1, shown in Fig. 2.
Embodiment 5
Hull main body (1) need to enter the waters except algae, hull main body (1) top arranges wheel house (27) and drives hull main body (1) to enter the waters except algae, entering and need to absorb the electric energy that solar energy converting becomes except the solar panels (35) in hull main body (1) in the process in algae waters, power storage to stand-by in store battery.
Arrival need to be except the waters of algae, hull main body (1) is stuck in need to remove algae waters, fore (2) the bottom water-in (3) of hull main body (1) is put into the cup that need to enter except the former water in the waters of algae water intaking chamber (4), the grid that install the end of water intaking chamber (4) cup is strained the cup that enters water intaking chamber (4) except the foreign material in former water, open the former water of inlet gate (5) from water intaking chamber (4) cup enter water intaking chamber (4) chamber, start the lift pump (6) that is installed in rear chamber, water intaking chamber (4), lift pump (6) is introduced former water in the rotary drum (9) of micro-filter main body (8) by hydraulic pipe (7), the algae substances that former water carries resides in the inner surface of filter cloth (10), algae substances is separated from former water, the former water being filtered sees through filter cloth (10) and oozes out, enter in the outer filter box (11) of rotary drum (9), along with the former water being filtered constantly oozes out, water level in filter box (11) also improves in succession, when water level exceedes overfall (12) upper end, the former water being filtered flows out from the overflow port (16) of overfall (12) upper end, enter in catch basin (34).
The micro-filter water port (13) that the former water being filtered arranges from catch basin (34) output terminal flows into phosphorus adsorber (28) by dephosphorization transfer lime (30), phosphorus adsorber (28) adopts molysite to remove the phosphorus in the former water being filtered, phosphorus substance in former water after phosphorus adsorber (28) separating and filtering, the discharge outlet (14) of former water after purification along water purification delivery pipe (33) from stern (26) is discharged into waters, it is stand-by that the isolated phosphorus substance of phosphorus adsorber (28) is made finished product, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5.
Embodiment 6
When after rotary drum (9) operation for some time of micro-filter main body (8), the algae substances that resides in the inner surface of filter cloth (10) increases thickening, reduce oozing out of former water, the water level of the former water being filtered in filter box (11) drops to standard, the water level of the former water in rotary drum (9) rises to standard, ultrasonic wave position finder (19) monitors the change of level of filter box (11) and rotary drum (9), start the flushing pump (29) of back-purge system (20), the filter cloth (10) that mouth spray (22) on shower (21) is aimed on rotary drum (9) filter cloth rack (36) implements to rinse filter cloth (10), the spray water of mouth spray (22) ejection rinses the algae substances of the inner surface that resides in filter cloth (10) through filter cloth (10), spray water falls in wash-down water receiving tank (18) together with algae substances, spray water enters algae receiving tank (17) together with algae substances from wash-down water receiving tank (18), spray water is transported to screw press (23) by the output terminal of algae receiving tank (17) along receiving slag pipe (31) together with algae substances, screw press (23) separates algae substances with former water, the algae substances that the screw rod of screw press (23) squeezes out is discharged from scum mouth (24), filter again the rear chamber that the former water that screw press (23) squeezes out is transmitted back to water intaking chamber (4) by return water pipe (25).
Start drive-motor (15), rotate rotary drum (9) and the filter cloth (10) on rotary drum (9) is forwarded to the front enforcement of mouth spray (22) one by one rinse filter cloth (10), as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5.
Embodiment 7
When back-purge system (20) is rinsed the filter cloth (10) on micro-filter main body (8) rotary drum (9) well, the water level of the former water being filtered in filter box (11) rises to standard, the water level of the former water in rotary drum (9) drops to standard, the former water being filtered flows into catch basin (34) from overflow port (16), micro-filter main body (8) is recovered the former water of filtration of standard, the flushing pump (29) of cutting out back-purge system (20) stops rinsing operation, close drive-motor (15), stop the rotation of rotary drum (9), close screw press (23), stop the operation that algae substances separates with former water, recover the filtration operation of micro-filter main body (8), reciprocation cycle, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5.