CN208218608U - Integrated film biological reaction apparatus - Google Patents

Abstract

The utility model discloses a kind of integrated film biological reaction apparatus, including grid pond etc., wherein grid pond, setting pot and conditioning tank are sequentially communicated by pipeline；The elevator pump of the bottom of conditioning tank is connect by water inlet pipe with water distributor；Biochemical reaction tank includes two biochemical reaction zones；Two biochemical reaction zones are separated by overflow plate；Second biochemical reaction zone and UF membrane pond are separated by partition；Partition bottom is equipped with communicating pipe；Membrane separation assemblies are equipped in UF membrane pond；Membrane separation assemblies include frame, filter screen and membrane module；Each outer surface of frame is respectively equipped with filter screen；Several membrane modules are equipped in frame；Membrane module includes outlet pipe, end and hollow-fibre membrane；Hollow-fibre membrane lower end closed；Outlet pipe connects primary flow pipe；Primary flow pipe is equipped with self priming pump.The utility model can improve the treatment effect of water quality by filtering and purifying step by step, reduce the load of follow-up equipment, reduce the pollution of membrane module, extend the service life of membrane module.

Description

Integrated film biological reaction apparatus

Technical field

The utility model relates to sewage disposal devices, concretely relate to a kind of integrated film biological reaction apparatus.

Background technique

As urbanization and industrialization continue to develop, city river sewage pollution is also increasingly heavier, in recent ten years, with The fast development of industrial or agricultural, be discharged into the substances such as river, the nitrogen in lake, phosphorus and be increasing, need setting for the processing to sewage It is standby also more and more extensive.Wherein membrane bioreactor (Membrane Bio-Reactor, MBR) is exactly one such, and film is raw Object reactor (Membrane Bio-Reactor, MBR) be membrane separation technique is organically combined with biologic treating technique it is novel Waste water treatment system is replaced the secondary sedimentation tank in traditional biological processing technique using membrane module as mud-water separation unit, had The advantages that occupied area is small, effluent quality is good, operational management is simple.Membrane bioreactor utilizes membrane separation plant by activated sludge It is trapped in bioreactor with larger molecular organics, realizes the complete of reactor hydraulic detention time (HRT) and sludge age (SRT) It is fully separating, high activity sludge concentration is kept in the bioreactor, biological treatment organic loading is improved, to reduce sewage treatment Facility occupied area, and by keeping low sludge loading to reduce surplus sludge volume.

Existing membrane bioreactor is generally made of reaction tank and UF membrane pond, and the membrane component for forming membrane module mainly has Two kinds of forms of plate membrane and hollow-fibre membrane.In the prior art, the membrane component of plate membrane type is using ABS plank as support portion Plate diaphragm is fixed on ABS plank two sides by part, and sewage is after the filtering of plate diaphragm, into the deflector hole of ABS plank, and Faucet is collected to by its internal diversion, purified water is discharged.In the prolonged course of work, it is fixed on ABS plate two The plate membrane of side is easy to be blocked by sundries remaining in sewage, and membrane flux is caused to reduce, water-yielding capacity decline.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of filtering step by step and sewage is purified, so that the improvement of sewage Effect is more preferable, and can reduce the pollution of membrane module, extends the integrated film biological reaction apparatus of the service life of membrane module.

In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows: a kind of integrated film biological reaction apparatus, Including grid pond, setting pot, conditioning tank, biochemical reaction tank and UF membrane pond, the grid pond, setting pot and conditioning tank pass through pipe Road is sequentially communicated；The bottom of the conditioning tank is equipped with elevator pump, and the elevator pump passes through water inlet pipe and the biochemical reaction bottom of pond The water distributor in portion connects；The biochemical reaction tank includes the first biochemical reaction zone and the second biochemical reaction zone；Described first is biochemical Reaction zone and the second biochemical reaction zone are separated by overflow plate；It is equipped in first biochemical reaction zone and the second biochemical reaction zone Filler；Second biochemical reaction zone and UF membrane pond are separated by partition；The partition bottom is equipped with communicating pipe；The UF membrane Membrane separation assemblies are equipped in pond；The membrane separation assemblies include frame, filter screen and membrane module；Each outer surface of the frame point It She You not the filter screen；Several membrane modules are equipped in the frame；The membrane module includes outlet pipe, end and hollow fibre Tie up film；The hollow-fibre membrane lower end closed；The outlet pipe connects primary flow pipe；The primary flow pipe is equipped with self priming pump.

Preferably, the primary flow pipe is connected to sterilization pool；Ultraviolet sterilization apparatus, the disinfection are equipped in the sterilization pool Pond connects clear water reserviors.

Preferably, the filter screen is stainless steel metal filter screen or nylon wire.

It preferably, further include aerating system；The aerating system includes aeration supervisor, Aeration fan, microporous aeration device； The inlet end connection Aeration fan of the aeration supervisor, its outlet side are in charge of by air inlet is separately connected multiple micro-pore aerations Device；The microporous aeration device is separately positioned in first biochemical reaction zone, the second biochemical reaction zone and UF membrane pond.

Preferably, the communicating pipe is " L " type.

The beneficial effects of the utility model are: 1, in UF membrane pond front end have additional grid pond, setting pot, conditioning tank, life Change reaction tank；Wherein waste water enters sand in setting pot in grid pond after grid removes biggish floating material, suspended matter Deposition finally enters back into conditioning tank and carries out the pretreatment such as runoff investigation and water quality equilibrium, settles and filtered a part of sewage In solid particle；2, raw by two biochemical reaction zones of setting, i.e. the first biochemical reaction zone and the second biochemical reaction zone, first Change reaction zone and carried out preliminary biochemical treatment to sewage, alleviate the load of the second biochemical reaction zone, improve treatment effeciency, increases Strong treatment effect；And sewage reduces the pollution of membrane module after the filtering and processing of filler in the second biochemical reaction zone, Extend the service life of membrane module；3, filter screen is additionally arranged outside membrane module, so that the filtering of level-one film becomes twin-stage, so that film Component and big partial size pollutant separate, and the activated sludge and macromolecular that will be enriched in microorganism are trapped in except filter screen, significant to drop Low pollution of the biological sludge to membrane module, can not only extend the service life of membrane module, moreover it is possible to improve in use process Membrane flux.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model integrated film biological reaction apparatus；

Fig. 2 is the structural schematic diagram of the membrane separation assemblies of the utility model integrated film biological reaction apparatus.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other It can be combined with each other.

As depicted in figs. 1 and 2, a kind of integrated film biological reaction apparatus of the utility model, it includes grid pond 1, sand setting Pond 2, conditioning tank 3, biochemical reaction tank 4 and UF membrane pond 5, specifically, the grid pond 1, setting pot 2 and conditioning tank 3 pass through pipeline It is sequentially communicated；The bottom of conditioning tank 3 is equipped with elevator pump 31, and elevator pump 31 passes through the water distribution of water inlet pipe and 4 bottom of biochemical reaction tank Pipe 40 connects；Multiple water distributing pores wherein are uniformly provided on water distributor 40, it can be uniformly each towards biochemical reaction tank 4 when water passes through when A direction water spray so that wastewater efficient contacted with the filler in biochemical reaction tank 4；Biochemical reaction tank 4 includes first biochemical anti- Answer area 41 and the second biochemical reaction zone 42；First biochemical reaction zone 41 and the second biochemical reaction zone 42 are separated by overflow plate 6；First Filler 7 is equipped in biochemical reaction zone 41 and the second biochemical reaction zone 42；The filler 7 is granular porous mineral filler, specifically It is 80% for volcanic rock material, partial size 2-4cm, porosity 60%, filling rate, when use can first cultivate needed for water process Microorganism, then by filler 7 be added to culture after microorganism mixed liquor in, be attached to microorganism on filler 7；Second is raw Change reaction zone 42 and UF membrane pond 5 is separated by partition 8；8 bottom of partition is equipped with communicating pipe 81；In order to avoid blocking up for the communicating pipe 81 Plug, the communicating pipe 81 are " L " type, higher-end are arranged in the second biochemical reaction zone 42 when laying, so that water outlet There is certain height in the second biochemical reaction zone of distance 42, and communicating pipe 81 can effectively be avoided to be blocked；As shown in Fig. 2, UF membrane Membrane separation assemblies 9 are equipped in pond 5；Membrane separation assemblies 9 include frame 91, filter screen 92 and membrane module 93；The filter screen 92 is not Become rusty steel metal filter screen or nylon wire, and filter screen 92 is additionally arranged outside membrane module 93, so that the filtering of level-one film becomes twin-stage, makes Membrane module 93 and big partial size pollutant separate, the activated sludge and macromolecular that will be enriched in microorganism be trapped in filter screen 92 it Outside, pollution of the biological sludge to membrane module 93 is significantly reduced, can not only extend the service life of membrane module 93, moreover it is possible to improve Membrane flux in use process；Each outer surface of frame 91 is respectively equipped with filter screen 92；Several membrane modules are equipped in frame 91 93；Membrane module 93 includes outlet pipe 931, end 932 and hollow-fibre membrane 933；933 lower end closed of hollow-fibre membrane；Outlet pipe 931 connection primary flow pipes 10；Primary flow pipe 10 is equipped with self priming pump 101.The hollow-fibre membrane 933 used due to the utility model There is efficient centrifugation to the mixed liquor of biochemical reactor, thoroughly sludge can be separated with water outlet, therefore can make to be discharged SS and turbidity close to zero, simultaneously because the loss of activated sludge is almost nil, so that the activated sludge in biochemical reactor Concentration is higher by 2-5 times or so than traditional handicraft, substantially increases denitrification ability.In order to disappear to the clear water separated Poison, to eliminate bacterium and virus in water etc., primary flow pipe 10 is connected to sterilization pool 11；Ultraviolet sterilization is equipped in sterilization pool 11 to fill 111 are set, sterilization pool 11 connects clear water reserviors, and the bacterium in water can be killed by the bactericidal effect of ultraviolet sterilization device 111.In order to Convenient for carrying out aeration or air purge to whole device, it is additionally provided with aerating system 12；Specifically, which includes aeration master Pipe 13, Aeration fan 14, microporous aeration device 15；The inlet end connection Aeration fan 14 of aeration supervisor 13, its outlet side pass through Air inlet is in charge of 16 and is separately connected multiple microporous aeration devices 15；Microporous aeration device 15 is separately positioned on the first biochemical reaction zone 41, in the second biochemical reaction zone 42 and UF membrane pond 5.

The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims (5)

1. a kind of integrated film biological reaction apparatus, including grid pond (1), setting pot (2), conditioning tank (3), biochemical reaction tank (4) and UF membrane pond (5), which is characterized in that the grid pond (1), setting pot (2) and conditioning tank (3) are successively connected by pipeline It is logical；The bottom of the conditioning tank (3) is equipped with elevator pump (31), and the elevator pump (31) passes through water inlet pipe and the biochemical reaction tank (4) water distributor (40) connection of bottom；The biochemical reaction tank (4) includes the first biochemical reaction zone (41) and the second biochemical reaction Area (42)；First biochemical reaction zone (41) and the second biochemical reaction zone (42) are separated by overflow plate (6)；Described first is biochemical Filler (7) are equipped in reaction zone (41) and the second biochemical reaction zone (42)；Second biochemical reaction zone (42) and UF membrane Pond (5) is separated by partition (8)；Partition (8) bottom is equipped with communicating pipe (81)；UF membrane is equipped in the UF membrane pond (5) Component (9)；The membrane separation assemblies (9) include frame (91), filter screen (92) and membrane module (93)；The frame (91) it is each Outer surface is respectively equipped with the filter screen (92)；Several membrane modules (93) are equipped in the frame (91)；The membrane module It (93) include outlet pipe (931), end (932) and hollow-fibre membrane (933)；Hollow-fibre membrane (933) lower end closed；Institute State outlet pipe (931) connection primary flow pipe (10)；The primary flow pipe (10) is equipped with self priming pump (101).

2. integrated film biological reaction apparatus according to claim 1, which is characterized in that primary flow pipe (10) connection disappears Malicious pond (11)；Ultraviolet sterilization apparatus (111) are equipped in the sterilization pool (11), the sterilization pool (11) connects clear water reserviors.

3. integrated film biological reaction apparatus according to claim 1, which is characterized in that the filter screen (92) is stainless steel Metal filter screen or nylon wire.

4. integrated film biological reaction apparatus according to claim 1, which is characterized in that further include aerating system (12)；Institute Stating aerating system (12) includes aeration supervisor (13), Aeration fan (14), microporous aeration device (15)；The aeration is responsible for (13) Inlet end connect the Aeration fan (14), its outlet side is in charge of (16) by air inlet and is separately connected multiple microporous aeration devices (15)；The microporous aeration device (15) is separately positioned on first biochemical reaction zone (41), the second biochemical reaction zone (42) It is interior with UF membrane pond (5).

5. integrated film biological reaction apparatus according to claim 1, which is characterized in that the communicating pipe (81) is " L " type.