CN1268555C - Lixiviation type film separating system for sewage and waste water high treatment - Google Patents

Abstract

The present invention discloses a lixiviation tye membrane separation system which is provided with a depositing tank, a microfiltration net tank, etc. The lixiviation tye membrane separation system also comprises an anaerobic tank, a membrane separation aerobic tank, an oxygen-free tank, a distributing pipe and a return pipe, wherein the anaerobic tank is arranged at the outer side of the microfiltration net tank and is used for clearing pollutants and leaching phosphorus; the membrane separation aerobic tank is provided with a membrane separation device and is arranged at the outer side of the anaerobic tank, and the membrane separation aerobic tank can remove pollutants, phosphorus and suspended solid substances in mixed liquid; the oxygen-free tank is arranged at the outer side of the membrane separation aerobic tank, spearates nitrogen gas and oxygen from nitrate nitrogen of the mixed liquid by using a denitrifying reaction and returns the mixed liquid to the microfiltration net tank through a return pump and the return pipe; the distributing pipe is connected with the microfiltration net tank and proportionally distributes sewage which flows out to the anaerobic tank and the oxygen-free tank; the return pipe is connected with the return pump arranged in the oxygen-free tank and is used for returning the mixed liquid to the microfiltration net tank. The lixiviation tye membrane separation system can prevent impurities from being concentrated, clear various suspended solid substances, organic substances, nitrogen and the phosphorus and can raise the treatment efficiency of the sewage and waste water.

Description

The lixiviation type film separating system that is used for the sewage and waste water advanced processes

Technical field

The present invention relates to a kind of lixiviation type film separating system, particularly, relate to improve the lixiviation type film separating system of sewage, waste water treatment efficiency.

Background technology

In general, the lixiviation type film separating system is the particle that filters sewage, waste water, thoroughly purifies the system of above-mentioned sewage, waste water simultaneously.

As shown in Figure 1, above-mentioned general lixiviation type film separating system, its sand trap 10 is when stopping the rapid current of the sewage of inflow, waste water, make the sand or the handstone precipitation that contain in the sewage, described sewage transport is given the filter screen groove 20 that has a plurality of filter screens 21, the coarse impurities that contains in the filtering sewage in each filter screen 21, the sewage of having removed described coarse impurities flows into the flow of installing in its outside from described filter screen groove 20 with certain flow and adjusts groove 30.

In described flow adjustment groove 30, water level sensing transmitter 33 is installed, it and sewage water pump 31 and the suction pump of mentioning later 90 interconnect, sewage water pump 31 has suction force, the sewage that flow is adjusted in the groove 30 is discharged to the outside, water level sensing transmitter 33 can be according to the water level of sewage, the running of control sewage water pump 31.

Therefore, utilize described water level sensing transmitter 33, the water level of the sewage that sensing flows into, promptly high (HIGH), low (LOW) water level, sewage water pump 31 turns round/stops according to described sensing signal, and current are adjusted in the groove 30 from flow and are flowed out with certain flow.

That is to say, water level sensing transmitter 33 sensed flow are adjusted the wastewater level in the groove 30, when the water level of sewage is in the water position status of height (HIGH), promptly flow is adjusted sewage in the groove 30 and is had to a certain degree pressure reduction, then makes 31 runnings of sewage water pump, the sewage that flow is adjusted in the groove 30 is delivered to the outside, when the water level of sewage was in the water position status of low (LOW), sewage water pump 31 shut down, simultaneously, utilization promotes the water level that flow is adjusted groove 30 from the sewage of filter screen groove 20 supplies.

In addition, the arranged outside of adjusting groove 30 at described flow has gas blower 32, and the air that takes place in gas blower 32 is supplied to flow and adjusts groove 30, and under its effect, flow is adjusted the sewage generation current phenomenon in the groove 30.

Flow to flow and adjust the sewage of groove 30 outsides, flow into microfiltration filter screen groove 40, when passing through microfiltration filter screen groove 40, the fine impurity that sewage contains is by filtering, and described sewage flows into aerator tank 50.Be loaded with mixed solution in the described aerator tank 50, by described microfiltration filter screen groove 40 and flow into the sewage of aerator tank 50, i.e. waste water mixes with mixed solution in the described aerator tank 50, generates new mixed solution.

Outside at aerator tank 50, be provided with the gas blower 52 of the mixed solution supply air in aerator tank 50, therefore, under the effect of 52 air supplied of gas blower, mixed solution generation current phenomenon, simultaneously, the microorganism that contains in the described mixed solution eats up the organic pollution materials that is mixed in the mixed solution, so in described aerator tank 50, organic pollution materials is eliminated.

And, in the arranged outside of aerator tank 50 membrane sepn aerobic slot 60 is arranged, by the path that between aerator tank 50 and membrane sepn aerobic slot 60, forms, i.e. sleeve pipe, the mixed solutions in the described aerator tank 50 flow into membrane sepn aerobic slot 60.

In membrane sepn aerobic slot 60, more than one separatory membrane device 61 is set at least, therefore, flow into the mixed solution in the membrane sepn aerobic slot 60, in by separatory membrane device 61, the suspended solid material that contains in the described mixed solution is by filtering.

And, outside at membrane sepn aerobic slot 60, the suction pump 90 that is connected with separatory membrane device 61 is installed, therefore, under the effect of the inhalation power that the running because of suction pump 90 takes place, mixed solution in the membrane sepn aerobic slot 60 flow in the separatory membrane device 61, and in by separatory membrane device 61, suspended solid material is by filtering.

As shown in Figure 2, separatory membrane device 61 is installed in the membrane sepn aerobic slot 60, it is subjected to the guiding of the guide rail (seeing diagram) of membrane sepn aerobic slot 60 internal fixing installation, or put into membrane sepn aerobic slot 60, or be removed, but the suspended solid material that contains in its filtering mixed solution, it by the separatory membrane framework 65 of a plurality of films with the suspended solid material that contains in the filtering mixed solution, be arranged at described separatory membrane framework 65 bottoms and from constituting to the diffusing gas portion 66 of separatory membrane framework 65 supplies from air outside.

Described separatory membrane framework 65 has following structure, be that shell forms the support section 651 that tetragon connects by angle steel, the a pair of upper module that is hollow tubular that is loaded on support section 651 tops is supported platform 652, the lower module that is groove (channel) shape that is loaded on support section 651 bottoms is supported platform 653, be loaded on upper module support platform 652 and with prolong the high pressure hose that comes out from suction pump 90 and be connected, form and support the water in the platform 652 to be discharged to the outside passage and the hollow tubular pipe connecting 654 of relief outlet being pooled to upper module, be installed on described on/lower module supports platform 652, between 653, be used for a plurality of separatory membranes 655 that filtering flow into the suspended solid material that the mixed solutions in the separatory membrane device 61 contain, be installed on each separatory membrane 655 both sides and support platform 652 with last/lower module, 653 combinations, obtain filtering treating water during by described separatory membrane 655 and come together in this header 656.

Diffusing gas portion 66 in separatory membrane framework bottom has diffuser 661, a plurality of jet pipe 662 and a plurality of hole 663, diffuser 661 has the airflow hand-hole that air is flowed into by the outside, it is tetragon, is made of hollow tube, and hollow tube forms the passage by described airflow hand-hole leaked-in air; Jet pipe 662 is installed on the inboard of diffuser 661, issues unboiled water stream not only to each separatory membrane 655 supply air, and in the effect of supply air; Hole 663 be positioned at described each jet pipe 662 above, its exhausted air makes air generate air filled cavity.

As above the separatory membrane device 61 of Gou Chenging is under the effect of the inhalation power of suction pump 90, mixed solution in the membrane sepn aerobic slot 60 flows in the separatory membrane framework 65 of described separatory membrane device 61, the mixed solution that flows into is when passing through each separatory membrane 655 of separatory membrane framework 65, suspended solid material is by filtering, simultaneously, be pooled to each header 656 by the treating water of filtering suspended solid material.

Under the effect of the inhalation power that takes place at described suction pump 90 continuous operation, the treating water that comes together in described each header 656 flows into a pair of upper module and supports platform 652, and the relief outlet by pipe connecting 654 discharges from separatory membrane device 61, flow in the processing tank 70 by suction pump 90.

At this moment, in being arranged at the diffusing gas portion 66 of separatory membrane framework 65 bottoms, gas blower 62 is sent air here, air flows in the diffuser 661 of the gas portion 66 that looses, described inflow air is discharged with the air filled cavity form by the hole 663 of each jet pipe 662 of diffuser 661, form current simultaneously, be supplied to each separatory membrane 655 of described separatory membrane framework 65.

Therefore, can be dropped by the suspended solid material of the mixed solution of the surperficial filtering of each separatory membrane 655, and, under the effect of described current, can prevent that also the suspended solid material of mixed solution from adhering on each separatory membrane 655.

Here, described diffusing gas portion is in the effect with air filled cavity form air supplied, each separatory membrane generation current of separatory membrane framework, the suspended solid material of filtering can drop from each separatory membrane on described each separatory membrane, or can prevent to a certain extent that the suspended solid material of mixed solution from clinging, but can not remove fully, therefore, if life-time service can be stained with suspended solid material on the surface of described each separatory membrane.

So, the mixed solutions that flow in the described separatory membrane device 61 not only can reduce gradually, but also the suspended solid material that contains in can not the filtering mixed solution.

So, the outside that described separatory membrane device 61 is taken membrane sepn aerobic slot 60, utilize pharmaceutical chemicals, the clorox clean medicines such as (NaOCl) that uses when promptly cleaning, each separatory membrane 655 of separatory membrane device 61 is carried out chemistry clean, thereby remove by the suspended solid material of described each separatory membrane 655 filtering.

On the other hand, mixed solution in described membrane sepn aerobic slot 60 has microorganism, under described action of microorganisms, the organic pollution materials that mixed solution contains is eliminated, removed organic pollution materials and removed the treating water of the clean state of suspended solid material, under the effect of the suction pump 90 of continuous operation, flowed in the treating water groove 70 by described separatory membrane device 61.

In addition, in described membrane sepn aerobic slot 60 water level sensing transmitter 64 is installed, described water level sensing transmitter 64 links together with water level sensing transmitter 33 and suction pump 90 that flow is adjusted groove 30.

So, the mixed solution water level of water level sensing transmitter 64 sensing membrane sepn aerobic slots 60, and sensing signal sent to water level sensing transmitter 33 and suction pump 90, sensing signal according to described transmission, water level sensing transmitter 64 is controlled the running of sewage water pumps 31 and is stopped, in addition, the running by suction pump 90 with stop, also Be Controlled is within the specific limits for the water level in the described membrane sepn aerobic slot 60.

If described flow is adjusted the water level height of groove 30, mixed solution water level in the described membrane sepn aerobic slot 60 is low, 64 of water level sensing transmitters utilize flow to adjust the water level sensing transmitter 33 transmission sensing signals of groove 30 so, described water level sensing transmitter 33 transmits signal to sewage water pump 31, make its running, thereby sewage is adjusted outflow the groove 30 from flow continuously; Transmit sensing signal to described suction pump 90, suction pump 90 is shut down, be cut off from the described membrane sepn aerobic slot 60 interior treating water of handling tank 70 that flow into.

And, if it is low that described flow is adjusted the water level of groove 30, mixed solution water level height in the described membrane sepn aerobic slot 60, be transmitted to water level sensing transmitter 33 by water level sensing transmitter 64 sensed signal, under its control, sewage water pump 31 stops, described suction pump 90 entrys into service, and treating water flow into processing tank 70 in described membrane sepn aerobic slot 60.

Flow into the treating water of handling tank 70 from described membrane sepn aerobic slot 60, under the sterilizing agent 71 that adds in the treating water in handling tank 70 and the effect of gas blower 72 air supplied, form the current phenomenon, treating water and sterilizing agent 71 thorough mixing, described treating water is sterilized.

Through the treating water of so disinfecting, because the outer setting at described processing tank 70 has water level sensing transmitter 74, in described processing tank 70, be provided with the pump 73 of releasing, treating water water level in the water level sensing transmitter 74 sense process tanks 70 is if described water level height then makes pump 73 runnings of releasing, treating water is discharged to processing tank 70 outsides, if water level is low, pump 73 runnings that then stop to release, described treating water splendid attire is in handling tank 70.

And, in described membrane sepn aerobic slot 60, be provided with more than one mud transfer pump 63 at least, under the effect of mud transfer pump 63, mixed solution in the membrane sepn aerobic slot 60 flows in the aerator tank 50, described inflow mixed solution mixes with sewage by microfiltration filter screen groove 40, under action of microorganisms, organic pollution materials is eliminated, and the mixed solution of having removed organic pollution materials flows in the membrane sepn aerobic slot 60.

Here, the concentration of the microorganism (MLSS:MixedLiquor Suspended Solid) that exists in the mixed solution in the described membrane sepn aerobic slot 60 should keep certain concentration, if described microorganism concn surpasses proper concn (sampling result), by manual operation, the pipeline in the described aerator tank 50 is sent in cut-out, simultaneously, the open pipeline that is sent in the concentrated retention basin 80 of mud, thus, the mixed solution that is returned by described mud transfer pump 63 foldbacks does not flow in the aerator tank 50, concentrates in the retention basin 80 but flow into mud.

The outside that concentrates retention basin 80 at described mud is equipped with gas blower 82, at gas blower 82 by phased manner under the effect of air supplied, generation current phenomenon in mud concentrates retention basin 80 prevents that the sludge settling that the mixed solution in flowing into the concentrated retention basin 80 of mud contains from concentrating the bottom in the retention basin 80 and tying solid to mud.

If the sludge quantity that described mud concentrates in the retention basin 80 increases, then described mud is transported to the outside that mud concentrates retention basin 80 by passage 83, the upper water that described mud concentrates retention basin 80 is sent in the flow adjustment groove 30 that is arranged at concentrated retention basin 80 outsides of described mud by sleeve pipe.

This state is to realize continuously in the process of lixiviation type film separating system running.

Though this lixiviation type film separating system is in that to utilize the separatory membrane device to remove aspect suspended solid material and the organic pollution materials very effective, but the water water quality standard improves owing to release, when using described system, can not fully remove the multiple nitrogen or the phosphorus that contain in the mixed solution, the treating water of releasing can not meet described standard, and this is place not fully up to expectations.

Promptly, when only utilizing the separatory membrane device, there is limitation aspect nitrogen that in removing sewage, waste water, contains or the phosphorus, owing to can not eliminate described nitrogen fully, only cause nitrification, this on the contrary becomes the form that microorganism is easy to absorb in the water, and for described phosphorus, microorganism can only absorb the phosphorus of trace, the problem that all existence can not be removed fully.

Therefore, after the treating water that contains materials such as nitrogen or phosphorus is released, not only can polluted river or soil, therefore animals and plants also will be polluted, even also can produce many harm to taking in these vegeto-animal people, thereby cause various problems such as physical environment is destroyed.

In addition, in order to clean each separatory membrane of described separatory membrane device, need take out the separatory membrane device and put into the bucket that fills clean medicine from the membrane sepn aerobic slot cleans, or after utilizing each separatory membrane of cleaning the clean separatory membrane device of medicine, again described separatory membrane device is put into the membrane sepn aerobic slot, such operation is very loaded down with trivial details, inconvenient, and, take out described separatory membrane device and clean, also existing needs other spatial problem.

Summary of the invention

The present invention develops a kind of lixiviation type film separating system in order to solve above-mentioned variety of issue.Its purpose is to prevent concentrating of impurity in the described system, utilizes described system simultaneously, improves the processing efficiency of sewage, waste water.

In addition, the object of the invention also is to remove simultaneously various suspended solid materials and organic substance that exists in the sewage, waste water of lixiviation type film separating system and nutritive substance-nitrogen and the phosphorus that causes eutrophication.

And the object of the invention also is the differential pressure that each separatory membrane of sensing separatory membrane device takes place, and utilizes the differential pressure of sensing to supply clean medicine, when cleaning separatory membrane, promotes the smooth and easy operation of lixiviation type film separating system.

For realizing above-mentioned purpose, the invention provides a kind ofly filter and dispose of sewage, the lixiviation type film separating system of waste water, have promptly that sand trap, filter screen groove, flow are adjusted groove, microfiltration filter screen groove, handled tank, mud concentrates retention basin.Sand trap makes the precipitations such as sand that contain from the sewage of outside inflow, waste water, and removes away; The coarse impurities that contains the sewage that the filtering of filter screen groove flows into from described sand trap, the waste water; Flow is adjusted groove makes the sewage and waste water of going into by described filter screen concentrated flow flow out with certain flow; The filtering of microfiltration filter screen groove is adjusted the fine impurity that contains in the effusive sewage and waste water the groove from described flow; Sewage and waste water is by described microfiltration net, and fine impurity is eliminated, and by in the lixiviation type film separating system, is filtered, is cleaned into treating water then; Mud concentrates the mud that retention basin is handled and keeping produces in filtration, the above-mentioned sewage and waste water process of purification.By filtering and scavenging process, the lixiviation type film separating system is processed into clean state with above-mentioned sewage and waste water, in the lixiviation type film separating system, the anaerobism groove is arranged at the outside of described microfiltration filter screen groove, after the sewage and waste water that transports from described microfiltration filter screen groove flows into the anaerobism groove, mixes with the microorganism mixed solution of splendid attire in the anaerobism groove and generates new mixed solution, this remove and described new mixed solution in the pollution substance that contains, and stripping phosphorus, remove the oxygen that wherein contains; Membrane sepn aerobic slot with separatory membrane device, place the rear end of described anaerobism groove, the effusive mixed solution of described anaerobism groove flows into here, the separatory membrane device has a plurality of separatory membranes, can remove the pollution substance and the phosphorus ingredients substance that contain in the mixed solution of described inflow, remove suspended solid material simultaneously; The anaerobic groove is arranged at the rear end of described membrane sepn aerobic slot, flows into here from the effusive mixed solution of described membrane sepn aerobic slot, utilizes denitrification reaction to contain from mixed solution at this and isolates nitrogen (N in nitric nitrogen ₂) and oxygen (O ₂), and from described mixed solution, remove nitrogen and oxygen; Distribution piping is connected with described microfiltration filter screen groove, by a certain percentage distributing to anaerobism groove and anaerobic groove by described microfiltration filter screen groove sewage and waste water; Foldback pump in foldback pipe and the described anaerobic groove is connected, utilize the suction force of foldback pump, give microfiltration filter screen groove the mixed solution foldback in the described anaerobic groove, form the flowing-path of the mixed solution of splendid attire in the described anaerobic groove, handle the treated treating water of tank splendid attire.

In addition, the invention provides a kind ofly filter and dispose of sewage, the lixiviation type film separating system of waste water, have promptly that sand trap, filter screen groove, flow are adjusted groove, microfiltration filter screen groove, handled tank, mud concentrates retention basin.Sand trap makes the precipitations such as sand that contain from the sewage of outside inflow, waste water, and removes away; The coarse impurities that contains the sewage that the filtering of filter screen groove flows into from described sand trap, the waste water; Flow is adjusted groove makes the sewage and waste water of going into by described filter screen concentrated flow flow out with certain flow; The filtering of microfiltration filter screen groove is adjusted the fine impurity that contains in the effusive sewage and waste water the groove from described flow; Handle the treated treating water of tank splendid attire, sewage and waste water is by passing through described microfiltration net, and fine impurity is eliminated, and by in the reactive tank of lixiviation type film separating system, is filtered, is cleaned into treating water then; Mud concentrates the mud that retention basin is handled and keeping produces in filtration, the above-mentioned sewage and waste water process of purification.By filtering and scavenging process, the lixiviation type film separating system is processed into clean state with above-mentioned sewage and waste water, in the lixiviation type film separating system, membrane sepn aerobic slot with separatory membrane device is arranged at the outside of described microfiltration filter screen groove, the effusive mixed solution of described microfiltration filter screen groove flows into here, microorganism mixed solution in the reactive tank mixes with the sewage and waste water of above-mentioned inflow, the separatory membrane device has a plurality of separatory membranes, can remove the pollution substance and the phosphorus ingredients substance that contain in the new mixed solution, remove suspended solid material simultaneously.

Beneficial effect of the present invention

As implied above, the invention provides improved lixiviation type film separating system, promptly be provided with anaerobism groove and membrane sepn aerobic slot and anaerobic groove, simultaneously, distribute sewage to anaerobism groove and anaerobic groove from microfiltration filter screen groove, from described anaerobic groove to microfiltration filter screen groove foldback mixed solution, the fine impurity of filtering once more, prevent concentrating of impurity in the described system, utilize described system simultaneously, can also improve the processing efficiency of sewage, waste water.

The lixiviation type film separating system has removes various suspended solid materials and pollution substance (organic substance, dissolved substance etc.) that exists in sewage, the waste water and the effect that can cause the nutritive substance-nitrogen and the phosphorus of eutrophication simultaneously.

In addition, has the phosphorus coacervation device that makes phosphorus ingredients substance generation cohesion in the outside of membrane sepn aerobic slot, in described phosphorus coacervation device, under the effect of the flocculation agent of supplying, the phosphorus ingredients substance that contains in the mixed solution in the membrane sepn aerobic slot is condensed, thereby can therefore, can improve the efficient of lixiviation type film separating system greatly better disposing the mixed solution of phosphorus ingredients substance in described membrane sepn aerobic slot.

And, has the separatory membrane decontaminating apparatus that medicine is cleaned in supply in the outside of membrane sepn aerobic slot, in described each separatory membrane, under the effect of suspended solid material during blockage phenomenon, differential pressure that can described each separatory membrane of sensing is utilized described separatory membrane decontaminating apparatus, medicine is cleaned in each separatory membrane supply to the separatory membrane device, clean separatory membrane, therefore, have the effect that makes the better operation of lixiviation type film separating system.

Like this, in the separatory membrane device, the clean etc. of the production for the treatment of water and described each separatory membrane realized automatically, so need not routine preventive maintenance or supervision, thereby can save time, manpower, improve operation effectiveness, and have the effect that improves lixiviation type film separating system whole efficiency.

Owing to have above-mentioned effect, not only improved the whole efficiency of lixiviation type film separating system, and improved the credibility of human consumer described product.

Description of drawings

Fig. 1 is the synoptic diagram of the traditional lixiviation type film separating system of expression.

Fig. 2 is the synoptic diagram that the separatory membrane device of the traditional lixiviation type film separating system of expression constitutes.

Fig. 3 is the synoptic diagram of expression lixiviation type film separating system of the present invention.

Fig. 4 a replenishes the synoptic diagram be provided with behind the phosphorus coacervation device in the expression lixiviation type film separating system of the present invention.

Fig. 4 b is illustrated in the synoptic diagram that is provided with in Fig. 4 a phosphorus coacervation device after the suction pump.

Fig. 5 is illustrated in the lixiviation type film separating system of the present invention to replenish the synoptic diagram that is provided with behind the separatory membrane decontaminating apparatus.

Fig. 6 is illustrated in the synoptic diagram of having installed in Fig. 5 separatory membrane decontaminating apparatus behind the medicine injection pump.

Fig. 7 is illustrated in the synoptic diagram of installing among Fig. 6 after timing register replaces the contact differential pressure meter.

Fig. 8 is the synoptic diagram of expression separatory membrane apparatus structure of the present invention.

Fig. 9 a is the synoptic diagram of the lifting appliance structure of expression lifting separatory membrane device of the present invention.

Fig. 9 b is the decomposing schematic representation of expression separatory membrane device lifting appliance of the present invention.

Fig. 9 c is a front elevation of expressing separatory membrane device lifting appliance running of the present invention from the front.

Fig. 9 d is the synoptic diagram of expression separatory membrane device lifting appliance from the suspension bracket portion dismounting of separatory membrane framework.

Figure 10 is another case study on implementation synoptic diagram of expression lixiviation type film separating system of the present invention.

The label declaration of major portion among the figure:

60: membrane sepn aerobic slot 100: the anaerobism groove

110: anaerobic groove 120: distribution piping

130: foldback pipe 140: the phosphorus coacervation device

150: separatory membrane decontaminating apparatus 160: lift

Embodiment

Below, with reference to accompanying drawing 3 to Fig. 9 d, specify feasible embodiment of the present invention.

Omit or only do brief description for the explanation of lixiviation type film separating system and traditional repeating part,, indicate identical label for identical composition.

The present invention is provided with sand trap 10, and it makes the sand or the handstone precipitation that contain in the sewage when stopping the rapid current of the sewage of inflow, waste water; In the outside of described sand trap 10, be provided with filter screen groove 20, it has a plurality of filter screens 21, the coarse impurities that can filtering sewage contains.

In the outside of described filter screen groove 20, be provided with flow and adjust groove 30, the sewage inflow of coarse impurities that it has made filtering is flowed out with certain flow simultaneously; Adjust in the groove 30 at described flow, be provided with the water level sensing transmitter 33 that makes the effusive sewage water pump 31 with suction force of sewage, sensing wastewater level and in order to stir the current agitator 34 of sewage.

The outside at described flow adjustment groove 30 is provided with microfiltration filter screen groove 40, the fine impurity that filtering contains from the sewage that flow adjustment groove 30 transports.

Outlet at described microfiltration filter screen groove 40 is provided with distribution piping 120, by a certain percentage from microfiltration filter screen groove 40 effluent sewerages; Make it to flow into the reactive tank of lixiviation type film separating system, promptly flow into anaerobism groove 100 and anaerobic groove 110.

The outside at described microfiltration filter screen groove 40, be provided with splendid attire and the anaerobism groove 100 that removes deoxidation, in the sewage from distribution piping 120 supplies, a part flow into here, the sewage that flows into mixes with the microorganism mixed solution of splendid attire in the lixiviation type film separating system reactive tank, under the action of microorganisms in described mixed solution, organic substance is eliminated, and phosphorus is dissolved.

The sewage that has passed through described microfiltration filter screen groove 40 mixes with microorganism mixed solution in the anaerobism groove 100, generate new mixed solution, in anaerobism groove 100, under the action of microorganisms that in mixed solution, exists, the organic substance that contains in described newly-generated mixed solution is eliminated, and phosphorus is dissolved.

Be provided with current agitator 101 in described anaerobism groove 100, it produces current, makes the mixed solution thorough mixing in the sewage of inflow and the anaerobism groove 100, simultaneously, also make with described mixed solution in contain realize mixing smoothly of microorganism.

The outside at described anaerobism groove 100, it is the rear end of anaerobism groove 100 shown in Figure 3, be provided with membrane sepn aerobic slot 60, remove the pollution substance (organic substance, dissolved substance etc.) and the phosphorus ingredients substance (PO that from the mixed solution that anaerobism groove 100 transports, are eaten up by microorganism ₄ ^3-), and eliminate suspended solid material, also make the ammoniacal nitrogen (NH that exists in the described mixed solution ₃-N) and nitrite nitrogen (NO ₂-N) nitrated (Nitrification) with air supplied generation nitrogen reacts, and is converted into nitric nitrogen (NO ₃-N).

On the other hand, in described membrane sepn aerobic slot 60, be provided with separatory membrane device 61, its effect is the filtering suspended solid material, under the effect of the magnetism of suction pump 90, mixed solution in the membrane sepn aerobic slot 60 is when flowing into, the suspended solid material that contains in the filtering mixed solution makes described suspended solid material be passed through suction tube 91 and suction pump 90 by the treating water of filtering, flows into and handles in the tank 70.

Promptly, in described separatory membrane device 61, in suspended solid material that contains in the filtering mixed solution and the process of microorganism, mixed solution is separated into solid (suspended solid material and microorganism) and liquid, and described solid is removed away by the treating water of separatory membrane device 61.

Described separatory membrane device 61 is subjected to being fixedly installed in the guiding of the guide rail (seeing diagram) in the membrane sepn aerobic slot 60, and it is interior or take out to be placed into membrane sepn aerobic slot 60.

More than one mud transfer pump 63 with suction force is installed at least, the ammoniacal nitrogen (NH that contains in the mixed solution of inflow in described membrane sepn aerobic slot 60 ₃-N) and nitrite nitrogen (NO ₂-N) under the effect of the air of composition in being supplied to membrane sepn aerobic slot 60, promptly under good oxygen condition, nitrated (Nitrificafion) process through nitrogen converts nitric nitrogen (NO to ₃-N) composition, the effect of mud transfer pump 63 are to make the mixed solution that contains described switched nitric nitrogen be discharged to the outside of membrane sepn aerobic slot 60, and promptly mud concentrates in the retention basin 80.

In addition, in described membrane sepn aerobic slot 60, water level sensing transmitter 64 is installed, it is connected with suction pump 90 with the water level sensing transmitter 33 that flow is adjusted groove 30, water level in the sensing membrane sepn aerobic slot 60, described sensing signal is sent to water level sensing transmitter 33 and the suction pump 90 that flow is adjusted groove 30, under the effect of described water level sensing transmitter 33, the running of control sewage water pump 31, simultaneously and control the running of suction pump 90, within the specific limits with the mixed solution water levels control in the described membrane sepn aerobic slot 60.

In described membrane sepn aerobic slot 60, as shown in Figure 8, the separatory membrane device 61 of the suspended solid material that contains in the filtering mixed solution is made of separatory membrane framework 65 with a plurality of separatory membranes 655 and diffusing gas portion 66, the effect of diffusing gas portion 66 is supply air by gas blower 62 generations, and the suspended solid material of each separatory membrane 655 adhesion is come off from each separatory membrane 655.

Described separatory membrane framework 65 has following structure, promptly form the support section 651 that tetragon connects by a plurality of angle steel, the a pair of upper module that is hollow tubular that is loaded on described support section 651 tops is supported platform 652, the lower module in the form of slot that is loaded on described support section 651 bottoms is supported platform 653, be loaded on described upper module support platform 652 and with prolong the high pressure hose that comes out from suction pump 90 and be connected, form and support the water in the platform 652 to be discharged to the outside passage and the hollow tubular pipe connecting 654 of relief outlet being pooled to upper module, be installed on described on/lower module supports platform 652, between 653, filtering flow into a plurality of separatory membranes 655 of the suspended solid material that contains in the mixed solution in the separatory membrane device 61, is installed on described each separatory membrane 655 both sides and supports platform 652 with last/lower module, 653 combinations, obtain filtering treating water during by described separatory membrane 655 and come together in this header 656.

Diffusing gas portion 66 in separatory membrane framework bottom has diffuser 661, a plurality of jet pipe 662 and a plurality of hole 663, diffuser 661 has the airflow hand-hole that air is flowed into by the outside, it is tetragon, is made of hollow tube, and hollow tube forms the passage by described airflow hand-hole leaked-in air; Jet pipe 662 is installed on the inboard of diffuser 661, issues unboiled water stream not only to each separatory membrane 655 supply air, and in the effect of described supply air; Hole 663 be positioned at described each jet pipe 662 above, its exhausted air makes air generate air filled cavity.

Outer setting at described membrane sepn aerobic slot 60 has separatory membrane device lifting appliance 160, sees shown in Fig. 9 a-9d that the described separatory membrane device 61 of its lifting can make separatory membrane device 61 put into membrane sepn aerobic slot 60 or therefrom taking-up.

As shown in Figure 8, on described separatory membrane framework 65, both sides are respectively equipped with suspension bracket portion 657, have more than one a certain size hanging hole 658 at least in described suspension bracket portion 657, the form of described hanging hole 658 is varied, can be Polygonss such as circle or tetragon.

Shown in Fig. 9 a to Fig. 9 d, described separatory membrane device lifting appliance 160 be positioned at separatory membrane framework 65 above, it is equipped with lifting framework 170, its bottom surface contacts with the top of described separatory membrane framework 65; Above described lifting framework 170, be provided with hook plate (hook plate) 180, be connected with lifting machine 1, and utilize a plurality of chains 2 to link together with described lifting framework 170 by it, under the effect of described lifting machine 1, move back and forth up and down with lifting framework 170; Be provided with suspension ring assembly 190 in lifting framework 170 inboard both sides, they are rotatably connected respectively, can hang on the suspension bracket portion 657 of described separatory membrane framework 65, also can take from it, so that can be according to rotation, and the described separatory membrane framework 65 of lifting.

Described suspension bracket portion 657 utilizes joint bolt to be connected the top both sides of separatory membrane framework 65, in described suspension bracket portion 657, has more than one hanging hole 658 at least, as the insertion of a pair of lifting ring 192 of suspension ring assembly 190/extract, so that make lifting framework 170 be connected or separate with separatory membrane framework 65.

Shown in Fig. 9 a, described lifting framework 170 is formed and the corresponding shape of separatory membrane framework by a plurality of channel-section steels 171 of " Contraband " font, on described lifting framework 170 each angle/bottom, (guide roller) 172,173 is housed/the bottom deflector roll, so that lifting framework 170 successfully moves back and forth according to the guiding of guide rail respectively.

Shown in Fig. 9 a, the installation of described on each/bottom deflector roll 172,173 is to be the center with described lifting framework 170, relative top deflector roll 172 is mutually the right angle with the position of bottom deflector roll 173, promptly as shown in the figure, across, this for make with lifting framework 170 be on install at the center/bottom deflector roll 172,173 contacts with the mutually different medial surface of guide rail respectively, guarantees that moving back and forth of described separatory membrane framework lifting appliance is more smooth and easy.

A plurality of combined hole 171a are arranged on described lifting framework 170, so that in the lifting framework 170 times water in membrane sepn aerobic slot 60 time, be subjected to the resistance of water, lifting eye bolt (I-bolt) 3 has the arbitrary combined hole 171a that selectively is connected among described each combined hole 171a, all is connected with chain 2 in this lifting eye bolt 3.

In addition, in hook plate 180, on a plurality of combined hole 180a lifting eye bolt 3 is housed, the lifting eye bolt 3 that installs to combined hole 180a from the bottom surface of hook plate 180 links together with each chain 2 that is contained on the lifting framework 170.

One end of described chain 2 is connected with each lifting eye bolt 3 of lifting framework 170, and simultaneously, the other end of chain 2 is connected with each lifting eye bolt 3 of hook plate 180.

On described hook plate 180, the hook portion 181 that is hung on lifting machine 1 hook 1a is housed, so that mention hook plate 180 and lifting framework 170.

Shown in Fig. 9 a and Fig. 9 b, described suspension ring assembly 190 is located at respectively in the both sides of lifting framework 170, and each suspension ring assembly is equipped with turning axle 191 respectively, and turning axle 191 can rotate; Both sides at described each turning axle 191, a pair of lifting ring 192 is housed, so that utilize separatory membrane framework lifting appliance lifting separatory membrane framework 65, lifting ring 192 can be when with described turning axle 191 being the center rotation, be suspended in the suspension bracket portion 657 of separatory membrane framework 65, or take from it; In a pair of lifting ring of installing on described each turning axle 191 192, each lifting ring 192 all is connected with haulage chain 193, and haulage chain 193 is subjected to move from the effect of external force, regulates the rotation of described each a pair of lifting ring 192 simultaneously; Between described a pair of lifting ring 192, coupling device 194 is housed, its effect is to connect described a pair of lifting ring 192, make it to rotate simultaneously, so that according to moving of described haulage chain 193, promptly, a pair of lifting ring 192 is suspended in the suspension bracket portion 657 of described separatory membrane framework 65, or takes from it according to adjusting to haulage chain 193.

At the two ends of described each turning axle 191, bearing 195 is installed on the long groove 171 on one side of length, i.e. the inboard of lifting framework 170 is to guarantee each turning axle 191 smooth rotation.

One end of described each haulage chain 193 is connected on a pair of lifting ring 192, the other end of described each haulage chain 193 is connected in the suspension part (seeing shown in the figure) of membrane sepn aerobic slot 60 outsides, therefore, shown in Fig. 9 d, in described membrane sepn aerobic slot 60 outsides, along with the tension and the relieving of each haulage chain 193, described a pair of lifting ring 192 rotates in the direction of arrows.

On the other hand, shown in Fig. 9 d, the center of gravity of described a pair of lifting ring 192 is positioned at the bottom, when applying external strength pulling haulage chain 193 with assurance, a pair of lifting ring 192 is taken (shown in the solid line) from each hanging hole 658 of each suspension bracket portion 657 respectively, and when cancelling external force, described a pair of lifting ring 192 is in the effect of own wt, with turning axle 191 is center rotation, is suspended on the hanging hole 658 of each suspension bracket portion 657 (shown in the dotted line).

Enter lifting framework 170 and lifting ring portion 190 in the described membrane sepn aerobic slot 60, i.e. each accessory of separatory membrane framework lifting appliance, its material has adopted light specific gravity, has met the rustless stainless material of water.

In the outside of described membrane sepn aerobic slot 60, promptly the rear end of the membrane sepn aerobic slot 60 shown in the figure is provided with anaerobic groove 110.The mixed solution of sending from membrane sepn aerobic slot 60 with flow into here from the sewage that described microfiltration filter screen groove 40 is discharged and the distribution piping 120 of flowing through is sent here, the sewage of described inflow mixes with the microorganism mixed solution of splendid attire in the lixiviation type film separating system reactive tank, the nitrogen that contains in described mixed solution is separated into nitrogen (N under the effect of denitrification reaction ₂) and oxygen (O ₂), thereby nitrogen in the mixed solution and oxygen obtain removing.

In described anaerobic groove 110, current agitator 112 is installed, its effect is that current take place, and makes mixed solution and the mixed solution thorough mixing of sending here from membrane sepn aerobic slot 60 in the anaerobic groove 110, and the denitrification reaction of described mixed solution is carried out smoothly; In described anaerobic groove 110, foldback pump 111 is installed, it has suction force, makes the mixed solution foldback in the anaerobic groove 110 return microfiltration filter screen groove 40.

In described foldback pump 111, be connected with foldback pipe 130, it has formed the passage of mixed solution, makes under the effect of the suction force of foldback pump 111 to draw up the mixed solution that takes in the anaerobic groove 110 and be sent to microfiltration filter screen groove 40.

The mixed solution that is sent to microfiltration filter screen groove 40 by described foldback pipe 130 is with the sewage of adjusting groove 30 from flow by microfiltration filter screen groove 40 time, the fine impurity that mixed solution contains is input to anaerobism groove 100 and anaerobic groove 110 by distribution piping 120 then by further filtering.

Outside at described membrane sepn aerobic slot 60 also has phosphorus coacervation device 140, the phosphorus ingredients substance (PO that contains in the mixed solution in it and the membrane sepn aerobic slot 60 ₄ ^3-) reaction, make phosphorus ingredients substance (PO ₄ ^3-) cohesion and removing.

Shown in Fig. 4 a, phosphorus coacervation device 140 in the outside of described membrane sepn aerobic slot 60 is provided with flocculation agent medicine chest 141, it is equipped with flocculation agent, and in membrane sepn aerobic slot 60, throw in described flocculation agent, flocculation agent is mixed in membrane sepn aerobic slot 60 mixed solutions, the phosphorus ingredients substance (PO that contains in the mixed solution in flocculation agent and the described membrane sepn aerobic slot 60 ₄ ^3-) react, make described phosphorus that cohesion and removing take place.In described flocculation agent medicine chest 141, be provided with flocculation agent pipeline 142, it has formed the path of described flocculation agent, so that supply or cut off flocculation agent in membrane sepn aerobic slot 60.

Delivering under the effect of the flocculation agent in the membrane sepn aerobic slot 60 phosphorus ingredients substance (PO from described flocculation agent medicine chest 141 ₄ ^3-) the phase mutual coagulation, and flocculation agent that has condensed and phosphorus form solid shape.Described flocculation agent uses the material that is easy to the cohesion of phosphorus ingredients substance, as FeCl ₃Or Al ₂(SO ₄) ₃Deng, as described flocculation agent, not only be confined to above-mentioned substance, so long as the material that cohesion takes place with phosphorus all can use.

In described flocculation agent pipeline 142 flocculation agent switch-valve 143 is installed, it can open or close, and the control flocculation agent passes through flocculation agent pipeline 142 in the mode under the spontaneous current from flocculation agent medicine chest 141, supply in membrane sepn aerobic slot 60.

In addition, shown in Fig. 4 b, be provided with flocculation agent suction pump 144 in described flocculation agent path pipe 142, it can aspirate described flocculation agent by force, and the flocculation agent in the flocculation agent medicine chest 141 is sent in the membrane sepn aerobic slot 60.

On the other hand, outside at described membrane sepn aerobic slot 60 also has separatory membrane decontaminating apparatus 150, its meeting sensing is owing to the differential pressure that suspended solid material produces on each separatory membrane 655 that hangs over separatory membrane device 65, and under the effect of described senses differential pressure, clean described each separatory membrane 655 by cleaning medicine.

Described separatory membrane decontaminating apparatus 150 can manually or from each separatory membrane 655 supply of trend separatory membrane device 61 be cleaned medicine.

As shown in Figure 5, as manual, clean the separatory membrane decontaminating apparatus 150 of medicine to each separatory membrane 655 supply, it is located at the outside of described membrane sepn aerobic slot 60, has clean medicine bin 151, should clean the clean medicine of splendid attire in the medicine bin 151, so that medicine is cleaned in each separatory membrane 655 supply on the separatory membrane device 61 that is arranged at described membrane sepn aerobic slot 60.Be connected on described clean medicine bin 151 and clean medicine supply pipe 152, its termination has suction tube 91, forms the path of cleaning medicine.Both allocations at the suction tube 91 that is connected with described separatory membrane device 61 are equipped with contact differential pressure meter 153, it is according to the degree of the suspended solid material that contains in each separatory membrane 655 filtering mixed solution, the degree that is stopped by each separatory membrane 655 during each separatory membrane 655 that is mixed solution by described separatory membrane device 61, the differential pressure that takes place in described each separatory membrane 655 of sensing, simultaneously, according to the differential pressure of sensing, the running of control suction pump 90.When the differential pressure of each separatory membrane 655 was high, described contact differential pressure meter 153 shut down suction pump 90, when described differential pressure is low, made suction pump 90 entrys into service.

Described clean medicine uses clorox (NaOCl) mostly, and water is mixed in described stoste-clorox, is diluted to finite concentration, uses as clean medicine.

In addition, the 1st motorized valve 154 is installed on described suction tube 91, it is connected with described contact differential pressure meter 153, and opens or closes according to the sensing signal of described contact differential pressure meter 153, whether flows into suction pump 90 from described separatory membrane device 61 with the control treating water.On described clean medicine supply pipe 152, the 2nd motorized valve 155 is installed, it is connected with described contact differential pressure meter 153, and open or close according to the sensing signal of described contact differential pressure meter 153, whether clean medicine from each separatory membrane 655 supply of described clean medicine cassette for supplying 151 to control to separatory membrane device 61.

That is to say, according to described contact differential pressure meter 153 sensed signal, when treating water from described separatory membrane device 61 suction pump 90 of flowing through, enter when handling in the tank 70, the 1st motorized valve 154 is opened, and described the 2nd motorized valve 155 cuts out, and handles in the tank 70 so treating water flows into by suction tube 91; When from described clean medicine bin 151 when medicine is cleaned in separatory membrane device 61 supply, the 1st motorized valve 154 cuts out, described the 2nd motorized valve 155 is opened, and cleans medicine and is supplied to separatory membrane device 61 by cleaning medicine supply pipe 152.

At described clean medicine bin 151 medicine water level sensing transmitter 156 is housed, its sensing is cleaned the water level of medicine, and according to described clean medicine water level, controls the Push And Release of the 1st, 2 motorized valves 154,155.

On the other hand, as shown in Figure 6, in described clean medicine supply pipe 152, medicine injection pump 157 is installed, its suction force is aspirated by force from described clean medicine bin 151 and is cleaned each separatory membrane 655 that medicine is fed to separatory membrane device 61, makes described clean medicine smoothly, easily be fed to separatory membrane device 61.

As shown in Figure 5, clean medicine, then uneasy powder charge product injection pump 157 in mode under the free-flow to described separatory membrane device 61 supplies if desired; Force the described clean medicine of suction if desired, make the supply of cleaning medicine more smooth and easy, so as shown in Figure 6, on clean medicine supply pipe 152, install medicine injection pump 157 and get final product.This can be according to cleaning the position being set or having or not space, user's design requirements or multiple variations such as the application target of pump, effect are decided of medicine bin 151.

On the other hand, as shown in Figure 7, in described suction tube 91 timing register 158 is installed, its effect is to replace described contact differential pressure meter 153, according to regular hour switch the 1st, 2 motorized valves 154,155 repeatedly, that is, alternately open, close suction tube 91 and clean medicine supply pipe 152, when treating water flows by described suction tube 91, clean medicine does not flow, on the contrary, when clean medicine flowed by cleaning medicine supply pipe 152, treating water did not flow.Under the action of described timing register 158, the 1st, 2 motorized valves 154,155 open or close respectively, thereby have realized flowing for the treatment of water in described suction tube 91 and the clean medicine supply pipe 152 and clean medicine.

In addition, in described suction tube 91 programmable logic controller is installed, it is programmed, and can replace described contact differential pressure meter 153 or timing register 158, periodically opens, closes the 1st, 2 motorized valves 154,155.

Here, contact differential pressure meter 153 or timing register 158 and programmable logic controller, can be according to the application target of lixiviation type film separating system or purposes and subscriber's requirement, therefrom select one to use at contact differential pressure meter 153 and timing register 158, programmable logic controller etc.

In the case study on implementation of described lixiviation type film separating system, phosphorus coacervation device 140 or separatory membrane decontaminating apparatus 150 and separatory membrane device lifting appliance 160 etc. can all be installed or a part only is installed or does not install fully, and this can and have or not installing space, user's requirement etc. to select to install according to the application target or the purposes of lixiviation type film separating system.

Figure 10 is another case study on implementation of lixiviation type film separating system of the present invention, and it has cancelled anaerobism groove 100 and anaerobic groove 110 in anaerobism groove 100 in the above-mentioned case study on implementation and anaerobic groove 110, the membrane sepn aerobic slot 60.

Be provided with sand trap 10 and filter screen groove 20, flow adjustment groove 30 and microfiltration filter screen groove 40, and be provided with membrane sepn aerobic slot 60, sand trap 10 makes the precipitations such as sand that contain in the sewage and waste water, and clears out; The coarse impurities that contains the sewage that 20 filterings of filter screen groove flow into from described sand trap, the waste water; Flow is adjusted groove 30 and is made by described filter screen groove 20 effusive sewage and waste waters with certain flow outflow; 40 filterings of microfiltration filter screen groove are adjusted the fine impurity that groove 30 effusive sewage contain from described flow.

Membrane sepn aerobic slot 60, the sewage and waste water of sending here from described microfiltration filter screen groove 40 flows into here by distribution piping 120, the sewage of above-mentioned inflow mixes with the microorganism mixed solution of the interior splendid attire of reactive tank of lixiviation type film separating system, generate new mixed solution, under the effect of microorganism and inner most separatory membranes 655 of installing, pollution substance (organic substance, dissolved substance etc.), floating solid matter, phosphorus ingredients substance, ammoniacal nitrogen and nitrite nitrogen composition are eliminated; In described membrane sepn aerobic slot 60, also be provided with the membrane separation unit and the mud transfer pump 63 that occur among the embodiment one.

In addition, be equipped with and handle tank 70, through the separatory membrane device 61 of membrane sepn aerobic slot 60 time processed purification be the treating water of clean state flow into and splendid attire in this.And separatory membrane device 61 that connects described membrane sepn aerobic slot 60 and the suction tube 91 of handling tank 70 are installed, the suction pump 90 that inhalation power takes place is installed in described suction tube 91.And be provided with mud and concentrate retention basin 80, the mud that utilizes mud transfer pump 63 to pump out in the membrane sepn aerobic slot 60 in order to splendid attire

Concentrate retention basin 80 but also be provided with mud, the mud that produces in 60 filtrations of membrane sepn aerobic slot and the waste water process of purifying waste water is under the effect of mud transfer pump 63, be pumped to the outside of membrane sepn aerobic slot 60, the effect that mud concentrates retention basin 80 is the above-mentioned mud of releasing of splendid attire.

As above the effect of the present invention of Gou Chenging is as follows:

At first, sewage, waste water from the outside flow into sand trap 10, the sand or the handstone that contain in the described sewage are precipitated, and described sewage flows into filter screen groove 20, when passing through each filter screen 21, coarse impurities is by filtering, flow into flow then and adjust in the groove 30, described flow is adjusted the water level sensing transmitter 33 sensing water levels of groove 30, according to sensed signal, sewage water pump 31 turns round or stops, and makes sewage adjust groove 30 with certain flow from described flow and flows out outside or the cut-out outflow.

At this moment, owing in flow is adjusted groove 30 current agitator 34 is installed, utilize described current agitator 34 to stir, the current phenomenon appears in the sewage that flow is adjusted in the groove 30.

On the other hand, adjust groove 30 effusive sewage from flow, in through microfiltration filter screen groove 40, the fine impurity that contains in the sewage is by filtering, and described fine impurity is flowed into distribution piping 120 by the sewage of filtering.

By described distribution piping 120 mobile sewage, a part flows in the anaerobism groove 100, and remaining sewage flows in the anaerobic groove 110, like this, distributes to anaerobism groove 100 and anaerobic groove 110 according to a certain percentage by described distribution piping 120 mobile sewage.

Flow into the mixed solution of splendid attire in sewage in the described anaerobism groove 100 and the described anaerobism groove 100, be that sewage mixes with microorganism, generate new mixed solution, at this moment, under the effect of the current phenomenon that the current agitator 101 in anaerobism groove 100 is produced, the sewage of inflow and the mixed solution thorough mixing of splendid attire here.

There is microorganism in mixed solution in described anaerobism groove 100, described microorganism eats up pollution substance (organic substance, dissolved substance etc.) and the suspended solid material that contains in the sewage of inflow, simultaneously, under the anaerobic condition, dissolve the phosphorus ingredients substance (PO that contains in the described sewage ₄ ^3-).

On the other hand, suitable concentration for the microorganism that keeps the mixed solution in the anaerobism groove 100, in in described anaerobic groove 110 foldback pump 111 has been installed, under its effect of suction force, mixed solution in the anaerobic groove 110 flows in the microfiltration filter screen groove 40 by foldback pipe 130, thereby has kept the suitable microorganism concn of the mixed solution in the described anaerobism groove 100.

At this moment, pass through microfiltration filter screen groove 40 by foldback pipe 130 again from the mixed solution that anaerobic groove 110 foldbacks return anaerobism groove 100, the impurity that contains in the mixed solution of described foldback is eliminated, and flows into then in the anaerobism groove 100.

As mentioned above, be eliminated organic pollution materials in anaerobism groove 100, dissolved the mixed solution of phosphorus composition, flow in the membrane sepn aerobic slot 60, mixed solution in described membrane sepn aerobic slot 60 exists pollution substance (organic substance, dissolved substance etc.) and suspended solid material and phosphorus ingredients substance (PO ₄ ^3-), ammoniacal nitrogen (NH ₃-N), nitrite nitrogen (NO ₂-N) composition.

Described pollution substance (organic substance, dissolved substance etc.) is the food of the microorganism that contains in the mixed solution, eaten up by microorganism, thereby obtained digestion and removed, described suspended solid material when the separatory membrane device 61 by setting in the membrane sepn aerobic slot 60 by filtering.

And gas blower 62 is supplied air in membrane sepn aerobic slot 60, under the effect of its air supplied, and described ammoniacal nitrogen (NH ₃-N), nitrite nitrogen (NO ₂-N) composition is converted into nitric nitrogen (NO through nitrification (Nitrification) process of nitrogen ₃-N) composition.

In addition, the phosphorus ingredients substance (PO that contains in the mixed solution in the described membrane sepn aerobic slot 60 ₄ ^3-) because the microorganism excess ingestion that contains in the mixed liquid, thereby from water, removed.

At this moment,, in the time of can not handling fully in biological mode, can drop into flocculation agent, make it and phosphorus ingredients substance (PO if the phosphorus ingredients substance in the mixed solution in the membrane sepn aerobic slot 60 is more ₄ ^3-) reaction, condense described phosphorus ingredients substance.

Shown in Fig. 4 a,, other phosphorus coacervation device 140 has been installed in order to drop into described flocculation agent.

Mixed solution in membrane sepn aerobic slot 60, its phosphorus ingredients substance is substantially with PO ₄ ^3-Form exist, in order to make described phosphorus ingredients substance cohesion, should in membrane sepn aerobic slot 60, supply the flocculation agent of splendid attire in the flocculation agent bin 141 that is installed in described membrane sepn aerobic slot 60 outsides.

For this reason, open the flocculation agent switch-valve 143 on the flocculation agent pipeline 142 that flocculation agent bin 141 connects, the flocculation agent in the described flocculation agent bin 141 flow along flocculation agent pipeline 142, put in the membrane sepn aerobic slot 60 with free way.

So, phosphorus ingredients substance and flocculation agent react and solidify mutually, become solid form, and the described phosphorus composition that solidifies is deposited to the bottom in the membrane sepn aerobic slot 60.

At this moment, if the phosphorus ingredients substance in the mixed solution in the membrane sepn aerobic slot 60 has obtained cohesion to a certain extent and has become solid form, close flocculation agent switch-valve 143 so, cut off and in membrane sepn aerobic slot 60, throw in flocculation agent from described flocculation agent bin 141.

Here, if life-time service lixiviation type film separating system, concentration in the membrane sepn aerobic slot 60 so, the concentration of phosphorus composition that has promptly condensed and microorganism (MLSS:Mixed Liquor Suspended Solid) can increase, in order the concentration of membrane sepn aerobic slot 60 to be remained in certain scope (5,000～12,000mg/l), start the mud transfer pumps of installing in the described membrane sepn aerobic slot 60 63, the mixed solution that contains the cohesion of phosphorus composition and become solid-state material and mud etc. in the membrane sepn aerobic slot 60 is transported to mud concentrates in the retention basin 80.

The flocculation agent that condenses described phosphorus ingredients substance uses the material that is easy to the cohesion of phosphorus ingredients substance, as FeCl ₃Or Al ₂(SO ₄) ₃Deng, as described flocculation agent, not only be confined to described material, so long as the material that cohesion takes place with phosphorus all can use.

On the other hand, in order from flocculation agent bin 141, in membrane sepn aerobic slot 60, to aspirate flocculation agent by force, realize the reaction of phosphorus ingredients substance and flocculation agent at short notice and become solid shape, shown in Fig. 4 b, on described flocculation agent pipeline 142, flocculation agent suction pump 144 has been installed.

For supply flocculation agent in described membrane sepn aerobic slot 60, when opening flocculation agent switch-valve 143, start flocculation agent suction pump 144, flocculation agent in the described flocculation agent bin 141 is under the suction force effect of flocculation agent suction pump 144, be fed to by force in the membrane sepn aerobic slot 60, with described phosphorus ingredients substance reaction and cohesion, after the cohesion of described phosphorus ingredients substance is finished, flocculation agent suction pump 144 stops, close flocculation agent switch-valve 143 simultaneously, be cut off from the flocculation agent supply of described flocculation agent bin 141 in membrane sepn aerobic slot 60.

On the other hand, mixed solution in membrane sepn aerobic slot 60, ammoniacal nitrogen (NH ₃-N), nitrite nitrogen (NO ₂-N) composition is converted into nitric nitrogen (NO through in nitrification (Nitrificafion) process of nitrogen ₃-N) composition flows in the anaerobic groove 110 then.

The mixed solution that flows in the described anaerobic groove 110 mixes with the sewage that the distribution piping 120 of flowing through of discharging from described microfiltration filter screen groove 40 transports, the described mixed solution that mixes is in described anaerobic groove 110, cause denitrification reaction by denitrification microorganism, the nitric nitrogen that contains from described mixed solution is isolated oxide gas (N ₂) and oxygen (O ₂), and separated nitrogen and oxygen are discharged in the atmosphere.

At this moment, the movable required organic carbon source of denitrification microorganism is served as by the organic substance in the sewage that flows into by distribution piping 120.

And, under the effect of the current agitator of in anaerobic groove 110, installing 112, realize thorough mixing from membrane sepn aerobic slot 60 mixed solution that flows into and the sewage that flows into from distribution piping 120, under the suction function of the foldback pump of installing in described anaerobic groove 110 111, mud that contains in the mixed solution in the anaerobic groove 110 and mixed solution are together delivered to microfiltration filter screen groove 40 by foldback pipe 130.

The mixed solution of delivering to described microfiltration filter screen groove 40 together passes through microfiltration filter screen groove 40 with the sewage of sending here from flow adjustment groove 30, at this moment, fine impurity then by distribution piping 120, is given anaerobism groove 100 and anaerobic groove 110 according to certain proportional distribution by filtering.

On the other hand, under the effect of the separatory membrane device 61 of at least more than one that in described membrane sepn aerobic slot 60, is provided with, suspended solid material in the membrane sepn aerobic slot 60 is by filtering, promptly the outer setting at described membrane sepn aerobic slot 60 has the suction pump 90 that is connected with separatory membrane device 61, under the effect of the inhalation power that described suction pump 90 is produced, mixed solution in the membrane sepn aerobic slot 60 flows in the separatory membrane device 61, and in by separatory membrane device 61, suspended solid material is by filtering.

That is to say, separatory membrane device 61 is under the effect of the inhalation power of suction pump 90, mixed solution in the membrane sepn aerobic slot 60 flows in the separatory membrane framework 65 of described separatory membrane device 61, the mixed solution of described inflow is when passing through each separatory membrane 655 of separatory membrane framework 65, suspended solid material is by filtering, by filtering the treating water of suspended solid material be pooled in each header 656.

Rotate under the effect of the inhalation power that is produced continuously at described suction pump 90, be pooled to the treating water of described each header 656, flow into a pair of upper module and support platform 652, pass through the relief outlet of pipe connecting 654 simultaneously, discharge from separatory membrane device 61, flow into by suction pump 90 and handle in the tank 70.

At this moment, be installed on the diffusing gas portion 66 of separatory membrane framework 65 bottoms, carry so far by the air that gas blower 62 produces, flow in the diffuser 661 of described diffusing gas portion 66, leaked-in air is by each jet pipe 662 hole 663 of diffuser 661, shape with air filled cavity is discharged, and forms current simultaneously, is supplied to each separatory membrane 655 of described separatory membrane framework 65.

Therefore, the mixed liquor suspended solid, MLSS material that hangs on described each separatory membrane 655 surface is come off, under the effect of described current, can also prevent that the mixed liquor suspended solid, MLSS material from adhering on each separatory membrane 655.

Here, can produce current to each separatory membrane of separatory membrane framework with air filled cavity form air supplied from described diffusing gas portion, the suspended solid material that hangs on described each separatory membrane is come off from each separatory membrane, or prevent its adhesion, but can not remove fully, if life-time service, described each separation membrane surface have the suspended solid material adhesion.

Thus, the mixed solutions that flow in the described separatory membrane device 61 not only reduce, and the suspended solid material that normally contains in the filtering mixed solution.

So, need described separatory membrane device 61 is taken out to the outside from membrane sepn aerobic slot 60, utilize pharmaceutical chemicals, the clorox clean medicines such as (NaOCl) that uses when promptly cleaning, each separatory membrane 655 of separatory membrane device 61 is carried out chemistry clean, can remove the suspended solid material that hangs on described each separatory membrane 655.

At this moment, for the lifting from membrane sepn aerobic slot 60 of described separatory membrane device 61 is come out, should be equipped with other separatory membrane device lifting appliance 160.

Shown in Fig. 9 a to Fig. 9 d, a plurality of combined hole 171a are arranged above the lifting framework 170 of described separatory membrane device lifting appliance 160, therefrom several combined hole 171a of Xuan Zeing install lifting eye bolt 3 respectively, and an end of chain 2 is connected in described each lifting eye bolt 3.

Simultaneously, the hook 1a of described lifting machine 1 is suspended to the hook portion 181 above the hook plate 180, lifting eye bolt 3 is respectively installed to each combined hole 180a of the described hook plate that hangs up properly 180, the other end of chain 2 is connected on described each lifting eye bolt 3, thereby described lifting framework 170 is interconnected by each chain 2 with hook plate 180.

Make described lifting machine 1 running (forward) in this state, described hook plate 180 can be positioned at membrane sepn aerobic slot 60 tops, and simultaneously, each chain 2 that connects on the described hook plate 180 is tightened, and described lifting framework 170 is also along with hook plate 180 promotes upward.

Then, move described separatory membrane framework lifting appliance 160, make it to be positioned at separatory membrane device 61 tops of membrane sepn aerobic slot 60, if make described lifting machine 1 reverse (reverse) running, 17 of so described hook plate 180 and lifting frameworks descend downwards.

The bottom surface of the described lifting framework 170 that descends downwards stops the running of described lifting machine 1 after touching separatory membrane device 61 top.

At this moment, outside at described membrane sepn aerobic slot 60, haulage chain 193 is in the extended state, if unclamp after catching an end of described haulage chain 193 to strain, 192 on described a pair of lifting ring is under the effect of haulage chain 192, with turning axle 191 is the center rotation, is hanging to each suspension bracket portion 657 that both sides connect with joint bolt above the separatory membrane device 61.

Under the effect of the haulage chain 193 of described tension, a pair of lifting ring 192 is shown in Fig. 9 d, interior sideway swivel to lifting framework 170, under the effect of the haulage chain 193 that unclamps, a pair of lifting ring 192 is shown in the dotted line of Fig. 9 d, to the outer sideway swivel of lifting framework 170, insert each hanging hole 658 of described each suspension bracket portion 657 respectively and be combined.

Here, the center of gravity of described a pair of lifting ring 192 is positioned at the bottom, so, under the effect of the described haulage chain that unclamps 193, each a pair of lifting ring 192 is the center with turning axle 191, to the outer sideway swivel of lifting framework 170, described a pair of lifting ring 192 inserts each hanging hole 658 of each suspension bracket portion 657 of both sides above the separatory membrane device 61 respectively and is combined.

As described above, a pair of lifting ring 192 is suspended to each suspension bracket portion 657 of separatory membrane device 61 respectively, as in this state, the forward described lifting machine 1 that turns round, lifting framework 170 is put on, and along with the lifting of described lifting framework 170, separatory membrane device 61 also is raised up so.

Under the effect of the lifting framework 170 that is moved upward, separatory membrane device 61 is subjected to the guiding of guide rail, detaches the outside of described guide rail, if lifting framework 170 is carried De Genggao, described separatory membrane device 61 is taken out to membrane sepn aerobic slot 60 outsides.

At this moment, described separatory membrane device 61 and lifting framework 170 be subjected to " " font guide rail guiding and move, promptly, each angle at described lifting framework 170, on/bottom deflector roll 172,173 is mutually cruciform, described on each/bottom deflector roll 172,173 not only touches the different inner faces of guide rail of vertical setting respectively, and under the effect of the described lifting framework 170 that moves up and down, on each/bottom deflector roll 172,173 well rotates along another inner face of guide rail, and described lifting framework 170 is successfully moved back and forth.

Therefore, on guide rail and each/effect of bottom deflector roll 172,173 under, described lifting framework 170 does not shake with separatory membrane device 61, but successfully spins off in guide rail.

Spin off in the described guide rail and be fetched into the separatory membrane device 61 of membrane sepn aerobic slot 60 outsides, moving into place in membrane sepn aerobic slot 60 outsides for place under repair and cleaning and behind the place of preparing, the described lifting machine 1 of reverse running is put into separatory membrane device 61 on the ground.

Then, repair, clean described separatory membrane device 61, or separatory membrane device 61 put into the bucket that is loaded with clorox clean medicines such as (NaOC1), and clean each separatory membrane 655 of separatory membrane device 61 with chemical mode, remove the suspended solid material that is hanging on each separatory membrane 655.

After repairing, cleaning and the work of cleaning each separatory membrane 655 finish, utilize lifting machine 1 and lifting framework 170, in the same manner as described above, described separatory membrane device 61 relay get back in the membrane sepn aerobic slot 60, bring into play its original function.

After in the guide rail in separatory membrane device 61 is inserted into described membrane sepn aerobic slot 60, should remove described separatory membrane framework lifting appliance 160 from membrane sepn aerobic slot 60.

For this reason, should take off the hanging hole 658 of a pair of lifting ring 192 that hangs over described separatory membrane device 61 suspension bracket portions 657 from suspension bracket portion 657, if be connected in the haulage chain 193 of a pair of lifting ring 192 in the tension of the top of membrane sepn aerobic slot 60, so described a pair of lifting ring 192 is the center with turning axle 191, shown in Fig. 9 d, to the interior sideway swivel of lifting framework 170, described a pair of lifting ring 192 is just extractd from the hanging hole 658 of described suspension bracket portion 657.

Then, the forward described lifting machine 1 that turns round, described hook plate 180 is mentioned upward, and the lifting framework 170 that separates from described separatory membrane device 61 is also risen upward.

So, separatory membrane device 61 is positioned at the guide rail that membrane sepn aerobic slot 60 internal fixing are installed, and in this state, starts described lixiviation type film separating system, and the pollution substance of sewage, waste water obtains filtering and purifying under the effect of separatory membrane device 61.

Here, if briefly conclude the action of described separatory membrane framework lifting appliance 160, can comprise following content, running along with described lifting machine 1, lifting framework 170 moves back and forth by above-below direction, along with the described haulage chain 193 of tension, a pair of lifting ring 192 is rotated, be hung on the suspension bracket portion 657 of separatory membrane device 61, or take under it, thereby described lifting framework 170 realized being connected or separating with separatory membrane device 61, therefore, described separatory membrane device 61 takes out or puts in membrane sepn aerobic slot 60 under the effect of lifting framework 170.

As mentioned above, promptly comprise the method for from membrane sepn aerobic slot 60, taking out separatory membrane device 61 and cleaning each separatory membrane 655, and supply the method for cleaning medicine automatically, as shown in Figure 5 to each separatory membrane 655 of separatory membrane device 61.

Promptly as shown in Figure 5, as the pollution grows worse of each separatory membrane 655, the suspended solid material that hangs on each separatory membrane 655 of described separatory membrane device 61 makes separatory membrane latch up phenomenon occur, and each separatory membrane 655 produces differential pressure so, just contact differential pressure meter 153 senses differential pressure.

According to the differential pressure of described sensing, the Push And Release of the 1st motorized valve 154 of described contact differential pressure meter 153 control suction tubes 91 and the 2nd motorized valve 155 of clean medicine supply pipe 152.

If the differential pressure of contact differential pressure meter 153 sensings does not surpass set differential pressure, then close the 2nd motorized valve 155, open the 1st motorized valve 154, under the inhalation power effect of described suction pump 90, mixed solution flows into separatory membrane device 61, processed clean treating water flows in the suction tube 91, and flow in the processing tank 70.

And, if surpass set differential pressure, then should clean described each separatory membrane 655, to remove the suspended solid material on each separatory membrane 655 surface.

According to the signal of contact differential pressure meter 153 sensings and transmission, when need cleaning described each separatory membrane 655, the 1st motorized valve 154 cuts out, and simultaneously, the 2nd motorized valve 155 is opened, and suction pump 90 and gas blower 62 also shut down.

Therefore, the treating water that flows in the described suction tube 91 is cut off, under the effect of the 2nd motorized valve of opening 155, the clean medicine of splendid attire flows to and cleans in the medicine supply pipe 152 in the clean medicine bin 151 that install in membrane sepn aerobic slot 60 outsides, is fed in the separatory membrane device 61 by the 2nd motorized valve 155 simultaneously.

Be supplied to the clean medicine of described separatory membrane device 61 to support platform 652 and header 656 by the upper module of separatory membrane framework 65, be sent on each separatory membrane 655, under the effect of the edulcoration power of the clean medicine of described conveying, the suspended solid material of described each separatory membrane 655 surface adhering comes off and is eliminated, and described each separatory membrane 655 is by edulcoration.

On the other hand, clean medicine can be under the effect of the opening/closing of the 2nd motorized valve 155, in mode under the spontaneous current, supply to separatory membrane device 61 from described clean medicine bin 151, also can be as shown in Figure 6, medicine injection pump 157 is installed in described clean medicine supply pipe 152, under the effect of the suction force of described medicine injection pump 157, is cleaned medicine to 61 supplies of separatory membrane device by force.This can carry out multiple choices according to the specification of product and operation purpose, effect etc.

Like this, if the clean work of described each separatory membrane 655 finishes, or the clean medicine in the described clean medicine bin 151 is reduced to certain water level, then closes described the 2nd motorized valve 155, cut off and clean medicine supply pipe 152, open described the 1st motorized valve 154 simultaneously, open suction tube 91, so, described suction pump 90 and gas blower 62 start simultaneously, the lixiviation type film separating system runs well, and disposes of sewage, waste water, and becomes clean treating water.

Here, 1st, 2 motorized valves 154,155 carry out Push And Release according to the reduction water level of described clean medicine bin 151, this is to realize by the water level sensor of installing in the described clean medicine bin 151 156, owing in described clean medicine bin 151 water level sensor 156 is installed, described water level sensor 156 meeting sensings are cleaned the clean medicine water level in the medicine bin 151.

When cleaning described each separatory membrane 655, cleaning medicine supplies to each separatory membrane 655 from cleaning medicine bin 151, if the clean medicine water level in the described clean medicine bin 151 descends, 156 of water level sensors can this decline of sensing, sensed signal is sent to described the 1st, 2 motorized valves 154,155, control the Push And Release of the 1st, 2 motorized valves 154,155, also sensing signal is sent to described suction pump 90 and gas blower 62 simultaneously, control the running of described suction pump 90 and gas blower 62.

Here, medicine is cleaned in each separatory membrane 655 supply to described separatory membrane device 61, can be as shown in Figure 5, supply in mode under the spontaneous current, also can be as shown in Figure 6, medicine injection pump 157 is installed on clean medicine supply pipe 152, is supplied by force, this can carry out multiple choices according to the specification of the application target of lixiviation type film separating system and purposes, customer requirements.

On the other hand, the differential pressure that each separatory membrane 655 of the described separatory membrane device 61 of sensing takes place, as shown in Figure 5 and Figure 6, this can use contact differential pressure meter 153, in addition, as shown in Figure 7, the programmable logic controller (PLC PROGRAM) that timing register 158 also can be installed and programme, replace contact differential pressure meter 153, make the 1st, 2 motorized valves 154,155 at regular hour intercycle ground Push And Release, for contact differential pressure meter 153 or timing register 158 and programmable logic controller, can be according to the application target of lixiviation type film separating system or purposes and user's requirement, at contact differential pressure meter 153 and timing register 158, select one to use in the programmable logic controller.

As mentioned above, under the inhalation power effect of suction pump 90, mixed solution in the separatory membrane device 61 is by each separatory membrane 655, suspended solid material is eliminated, become clean treating water, described treating water is under the effect of the suction pump 90 of continuous operation, come together in the header 656 of separatory membrane device 61, the a pair of upper module that flows into separatory membrane framework 65 is thus supported in the platform 652, support the pipe connecting 654 of platform 652 by being connected in described upper module, be discharged to the outside of separatory membrane device 61, flow to suction tube 91 that described pipe connecting 654 is connected in, by suction pump 90, flow into and handle in the tank 70.

In addition, in described membrane sepn aerobic slot 60 water level sensing transmitter 64 is installed, described water level sensing transmitter 64 interconnects with the water level sensing transmitter 33 that flow is adjusted groove 30, and interconnects with suction pump 90.

Therefore, the mixed solution water level of water level sensing transmitter 64 sensing membrane sepn aerobic slots 60, described sensed signal is sent to water level sensing transmitter 33 and suction pump 90, sensing signal according to described transmission, the start and stop of water level sensing transmitter 64 control sewage water pumps 31, thereby, utilizing the start and stop of suction pump 90, the water level in the described membrane sepn aerobic slot 60 remains on certain limit.

Flow is adjusted the water level height of groove 30 as described, mixed solution water level in the described membrane sepn aerobic slot 60 is low, the water level sensing transmitter 33 that so described water level sensing transmitter 64 is adjusted groove 30 to flow transmits sensing signal, described water level sensing transmitter 33 transmits signal to sewage water pump 31, make its running, therefore, sewage connects from flow adjusts groove 30 outflows, simultaneously, transmit sensing signal to described suction pump 90, stop the running of suction pump 90, thereby, be cut off by flowing into the treating water of handling tank 70 in the described membrane sepn aerobic slot 60.

And, if it is low that described flow is adjusted the water level of groove 30, mixed solution water level height in the described membrane sepn aerobic slot 60, water level sensing transmitter 33 receives water level sensing transmitter 64 sensed signal so, and under the effect of water level sensing transmitter 33, sewage water pump 31 stops, simultaneously, described suction pump 90 starts, so treating water flows into processing tank 70 in described membrane sepn aerobic slot 60.

Described phosphorus coacervation device 140, separatory membrane decontaminating apparatus 150, separatory membrane device lifting appliance 160 etc. can be according to the application target of lixiviation type film separating system or purposes etc., all install or a part only is installed, and also can not install fully.

More than, with reference to accompanying drawing lixiviation type film separating system of the present invention is illustrated, but shown in the case study on implementation and accompanying drawing that the present invention is not limited only to put down in writing in this specification sheets, those of ordinary skill in the art can carry out various deformation at technical scope of the present invention.

Claims (13)

1. lixiviation type film separating system that is used for the sewage and waste water advanced processes is characterized in that:

It possesses sand trap, filter screen groove, flow adjustment groove, microfiltration filter screen groove, handles tank, the concentrated retention basin of mud; Sand trap makes the sand precipitation that contains from the sewage of outside inflow, waste water, and removes away; The coarse impurities that contains the sewage that the filtering of filter screen groove flows into from described sand trap, the waste water; Flow is adjusted groove makes the sewage and waste water of going into by described filter screen concentrated flow flow out with certain flow; The filtering of microfiltration filter screen groove is adjusted the fine impurity that contains in the effusive sewage and waste water the groove from described flow; Sewage and waste water is by described microfiltration net, and fine impurity is eliminated, and by in the lixiviation type film separating system, is filtered, is cleaned into treating water then; Mud concentrates the mud that retention basin is handled and keeping produces in filtration, the described sewage and waste water process of purification; By filtering and scavenging process, the lixiviation type film separating system is processed into clean state with described sewage and waste water, in the lixiviation type film separating system, the anaerobism groove is arranged at the outside of described microfiltration filter screen groove, after the sewage and waste water that transports from described microfiltration filter screen groove flows into the anaerobism groove, mix with the microorganism mixed solution of splendid attire in the anaerobism groove and generate new mixed solution, remove the pollution substance that contains in the described new mixed solution at this, and stripping phosphorus, remove the oxygen that wherein contains; Membrane sepn aerobic slot with separatory membrane device is arranged at the rear end of described anaerobism groove, the effusive mixed solution of described anaerobism groove flows into here, the separatory membrane device has a plurality of separatory membranes, can remove the pollution substance and the phosphorus ingredients substance that contain in the mixed solution of described inflow, remove suspended solid material simultaneously; The anaerobic groove is arranged at the rear end of described membrane sepn aerobic slot, flow into here from the effusive mixed solution of described membrane sepn aerobic slot, utilize denitrification reaction at this, isolate nitrogen and oxygen in the nitric nitrogen that from mixed solution, contains, and from described mixed solution, remove nitrogen and oxygen; Distribution piping is connected with described microfiltration filter screen groove, by a certain percentage distributing to anaerobism groove and anaerobic groove by described microfiltration filter screen groove sewage and waste water; Foldback pump in foldback pipe and the described anaerobic groove is connected, utilize the suction force of foldback pump, give microfiltration filter screen groove the mixed solution foldback in the described anaerobic groove, form the flowing-path of the mixed solution of splendid attire in the described anaerobic groove, handle the treated treating water of tank splendid attire.

2. lixiviation type film separating system as claimed in claim 1, it is characterized in that: in the outside of described membrane sepn aerobic slot, also possess the phosphorus coacervation device, react, make described phosphorus ingredients substance cohesion with the phosphorus ingredients substance that contains in the mixed solution in the described membrane sepn aerobic slot.

3. lixiviation type film separating system as claimed in claim 2, it is characterized in that: described coacervation device comprises: the flocculation agent medicine chest, be installed on the outside of membrane sepn aerobic slot, wherein be equipped with the membrane sepn aerobic slot in mixed solution in the phosphorus ingredients substance that contains react and make described phosphorus that the flocculation agent of cohesion take place;

The flocculation agent pipeline is connected with described medicine chest, forms the path of described flocculation agent, makes flocculation agent be fed to the membrane sepn aerobic slot;

The flocculation agent switch-valve is installed on the correct position of described flocculation agent pipeline, and carries out Push And Release, so that supply to membrane sepn aerobic slot supply flocculation agent or cut-out from described flocculation agent medicine chest.

4. lixiviation type film separating system as claimed in claim 3 is characterized in that: also be provided with the flocculation agent suction pump on the flocculation agent pipeline, be used for from the flocculation agent medicine chest to membrane sepn aerobic slot suction flocculation agent.

5. lixiviation type film separating system as claimed in claim 1, it is characterized in that: the outside at the membrane sepn aerobic slot also is provided with the separatory membrane decontaminating apparatus, by the differential pressure that suspended solid material produced that hangs on each separatory membrane of sensing separatory membrane device, control is cleaned medicine and is cleaned each separatory membrane.

6. lixiviation type film separating system as claimed in claim 5, it is characterized in that: described separatory membrane decontaminating apparatus comprises: clean the medicine bin, be arranged at the outside of membrane sepn aerobic slot, in clean medicine is housed, and clean medicine to the separatory membrane device provisioning of described membrane sepn aerobic slot;

Clean the medicine supply pipe, be connected with described clean medicine bin, an end is connected to the suction tube that is connected with described separatory membrane device, forms the path of described clean medicine;

The contact differential pressure meter, be installed on the described suction tube, the differential pressure that the sensing mixed solution produces in described each separatory membrane by described each separatory membrane of separatory membrane device the time, and is connected and the water of processing is sent into the running of the suction pump of processing tank with described suction tube according to the differential pressure control of sensing;

The 1st motorized valve is connected with described contact differential pressure meter, is installed on the described suction tube, carries out Kai Heguan according to the sensing signal of described contact differential pressure meter, and the control treating water is from the inflow of described separatory membrane device to suction pump;

The 2nd motorized valve is connected with described contact differential pressure meter, is installed on the described clean medicine supply pipe, carries out Kai Heguan according to the sensing signal of described contact differential pressure meter, and control is cleaned medicine from the supply of described clean medicine cassette for supplying to the separatory membrane device;

Water level sensor is installed in the described clean medicine bin, and its sensing is cleaned the water level of medicine, and according to described clean medicine water level, controls the Push And Release of the 1st, 2 motorized valves.

7. lixiviation type film separating system as claimed in claim 6 is characterized in that: at described suction tube timing register is installed, is replaced the contact differential pressure meter, in the set time, repeated open, close the 1st, 2 motorized valves.

8. lixiviation type film separating system as claimed in claim 6 is characterized in that: at described suction tube the programmable logic controller of having programmed is installed, is replaced the contact differential pressure meter, periodically to open, to close the 1st, 2 motorized valves.

9. lixiviation type film separating system as claimed in claim 6 is characterized in that: be equipped with from cleaning the medicine bin at described clean medicine supply pipe and clean the medicine injection pump of medicine to the suction of separatory membrane device.

10. lixiviation type film separating system as claimed in claim 1 is characterized in that: also be provided with the separatory membrane device lifting appliance of lifting separatory membrane device in the outside of described membrane sepn aerobic slot, to take out the separatory membrane device from the membrane sepn aerobic slot or to put it into.

11. lixiviation type film separating system as claimed in claim 10, it is characterized in that: the structure of described separatory membrane device lifting appliance comprises: the lifting framework, be positioned at the separatory membrane device above, form and the corresponding shape of separatory membrane framework by a plurality of " Contraband " font channel-section steel, so that with contact above the described separatory membrane device, each angle, the upper and lower part of described lifting framework is respectively equipped with deflector roll, so that move back and forth;

Hook plate above described lifting framework, is connected with lifting machine, is connected with described lifting framework by a plurality of chains simultaneously, along with the running of described lifting machine, moves back and forth up and down with the lifting framework;

The lifting ring assemblies is installed on the both sides in the described lifting framework respectively rotatably, can be mounted on the suspension bracket portion of both sides above the described separatory membrane device, or take from it, with the described separatory membrane device of lifting.

12. lixiviation type film separating system as claimed in claim 11 is characterized in that: described lifting ring assemblies comprises: turning axle, be connected to the both sides in the lifting framework, and can rotate;

A pair of lifting ring is connected in the both sides of described each turning axle, is the center rotation with described turning axle, and its center of gravity is positioned at the bottom, and this lifting ring can install to have on each hanging hole with each suspension bracket portion of upper hanging hole at least, or takes from it;

Haulage chain is connected on any one in a pair of lifting ring that connects on described each turning axle, moves under from the effect of external force, regulates the rotation of described lifting ring;

Coupling device is installed between the described a pair of lifting ring, interconnects described a pair of lifting ring, so that the rotation simultaneously along with moving of described haulage chain of described each lifting ring.

13. lixiviation type film separating system as claimed in claim 11, it is characterized in that: described upper and lower part deflector roll is the center with the lifting framework, relative deflector roll position, upper and lower part is mutually the right angle, the deflector roll of described upper and lower part with the auxiliary stand that supports usefulness on the state that is in contact with one another of the mutually different medial surface of corresponding guide rail be rotated respectively.

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