CN104843867B - Membrane biological wastewater treatment device - Google Patents

Abstract

The invention discloses a membrane biological wastewater treatment device. The device consists of an aboveground part and a buried part, wherein the aboveground part comprises an anaerobic adjusting tank, a membrane reaction tank and an equipment operation room; the buried part comprises a clean water tank, a sewage adjusting tank and a sludge tank; the anaerobic adjusting tank, the membrane reaction tank and the equipment operation room are partitioned by two partition plates in an inner cavity of an aboveground box body; a semi-flexible suspension filling device is fixedly arranged in the anaerobic adjusting tank and is formed by longitudinally arranging a plurality of filling pipes; a water distributor is mounted at a water inlet; an MBR membrane device is fixedly arranged in the middle of the membrane reaction tank; a mixed aeration device is mounted below the MBR membrane device; a water production pipe is led out of the MBR membrane device and is communicated with a water production self-sucking pump; an electric control bottle and a medicine pot are mounted in the equipment operation room; the medicine pot is communicated with a backwashing self-sucking pump; one end of a backwashing pipe is communicated with a water production pipe.

Description

A kind of film biological wastewater treatment device

Technical field：

The present invention relates to a kind of MBR membrane reactors, are to form super, micro-filtration membrane separation technique in combination with traditional sludge method A kind of film biological wastewater treatment device.

Background technology：

Existing stain disease handling process, traditional handicraft are very ripe, but in the face of discharge capacity difference, composition difference, discharge row Accurate different sewage, it is not only wasted time and energy, and its is main to take substantial amounts of land resource, multiple sewage are repaiied on ground and is formed sediment Pond, will be processed by equipment again after settlement of sewage, finally reach the standard of discharge.It has the disadvantage：One is that area occupied is big, two It is that place money is more, the treatment effeciency of water is low.

The content of the invention

The task of the present invention is to propose that a kind of ground combines with buried, saves spatial area, and good processed water quality, water outlet is steady It is fixed, a kind of few film biological wastewater treatment device of sludge quantity.

The task of the present invention is done in such a way that a kind of film biological wastewater treatment device, it is characterised in that：This device is to adopt Constituted with aerial part and buried two large divisions, on the ground including between anaerobism regulating reservoir, film reaction pond and equipment operation, it is buried including Clear water reserviors, sewage regulating reservoir and sludge-tank, anaerobism regulating reservoir is separated out in the inner chamber of ground upper box with dividing plate and another dividing plate, Between film reaction pond and equipment operation, semi-soft floating extension filler device is fixed with described anaerobism regulating reservoir, semi-soft floating extension is filled out Material device is, by many loading pipe longitudinal arrangements, in water inlet water-locator to be provided with, and described the middle of film reaction pond is fixed The lower section for having MBR film devices, MBR film devices is equipped with mixed aeration device, a water producing pipe is drawn on the MBR film devices and is produced Water self priming pump is connected, between equipment operation in connect with backwash self priming pump equipped with automatically controlled bottle and medicinal cupping, medicinal cupping, backwash tube one end Connect with water producing pipe, the other end is connected by pipeline with self priming pump, and outlet pipe one end is connected with MBR film device delivery ports, institute State and connected with pvc pipe between outlet water pipe and backwash self priming pump, pressure gauge and flowmeter are installed on the pvc pipe, it is another End is connected with buried clear water reserviors, and sewage inlet is provided with buried cesspool, and backwash tube one end connects with outlet pipe, Centre is provided with observation panel by backwash self priming pump, pressure gauge, flowmeter, pvc pipe and annex connection on case lid, walk on stage and set Put in the front of equipment, cat ladder is arranged on the front of equipment and is connected with walking on stage, the import of cat ladder is just between equipment operation , there is a delivery port on the side of door above frame, there is aeration tube below.Dividing plate in casing is separated using steel plate, describedly Three ponds buried are steel and concrete structure；, topmost from water inlet 200mm, bottom is from bottom of pond for described semi-soft floating extension filler device 300mm, described filler is made up of nylon rope and suspension member, has a small hanging every 100mm on a long nylon rope, little Suspension member intersects longitudinal arrangement composition just as a scattered branch, many fillers.Described MBR devices are by stainless steel frame, chain Formula hollow-fibre membrane and aeration tube are constituted, and the material of tunica fibrosa is polyester, have row's polyester above stainless steel frame and below Pipe, tunica fibrosa connects with upper and lower polyester tube, a diameter of 5mm of every tunica fibrosa.The secondary chlorine of concentration 1%-3% filled in described medicinal cupping Sour sodium NaClO, anaerobism regulating reservoir is connected with film reaction pond, and the bottom of pond of sewage regulating reservoir is placed with the activated sludge with bacterial classification. Described bacterial classification includes Micrococcus, streptococcus, Zoogloea, Alcaligenes, vibrios, bacillus, actinomyces, true Bacterium.

The present invention has the effect that：Equipment control is simple, and stable, stable effluent quality reliability does not have in water outlet Suspension, maintains more activated sludge in film reaction pond, the sludge quantity of generation is considerably less, can effectively go to denitrogenate, the difficulty such as phosphorus The organic matter of solution, meets water standard, and liquid back purge system can be very good flushing membrane reaction unit, keep the unimpeded of film, The cleaning of film is ensure that, the service life of film is effectively extended, convenient management, maintenance cost is low, imitated with excellent denitrogenation Really.

Description of the drawings：

Fig. 1 is the front view of the present invention；Fig. 2 is the top view of Fig. 1；Fig. 3 is the left view of Fig. 1.

Drawing explanation：1st, casing, 2, MBR film devices, 3, mixed aeration device, 4, water producing pipe, 5, backwash tube, 6, electricity Control cabinet, 7, medicinal cupping, 8, dividing plate, 9, another dividing plate, 10, case lid, 11, outlet pipe, 12, backwash tube water inlet, 13, sewage Water inlet, 14, walk on stage, 15, cat ladder, 16, produce water self priming pump, 17, backwash self priming pump, 18, semi-soft floating extension filler device, 19th, water-locator, 20, observation panel, 21, anaerobism regulating reservoir, 22, film reaction pond, between 23, equipment operation.

Specific embodiment：

Embodiment is described in detail with reference to the figures above, present treatment device is using aerial part and buried two large divisions's structure Into, on the ground including 23 between anaerobism regulating reservoir 21, film reaction pond 22 and equipment operation, it is buried including clear water reserviors, sewage regulating reservoir and Sludge-tank, specific embodiment referring to shown in Fig. 1,2,3, there is casing on the ground, in the inner chamber of casing 1 with dividing plate 8 and another every Plate 9 is separated out anaerobism regulating reservoir 21,23 between film reaction pond 22 and equipment operation, furtherly：Three pond body bottoms, circumference are steel Structure, case lid 10 is welded with steel plate, and periphery is reinforced with channel-section steel and supported, and the dividing plate in casing is separated using steel plate, described Three buried ponds are steel and concrete structure；Semi-soft floating extension filler device 18 is fixed with described anaerobism regulating reservoir 21, its is upper and lower End angle steel and round steel fix support, and upper and lower two terminations are bundled with rope, and described semi-soft floating extension filler device is topmost From water inlet 200mm, bottom from bottom of pond 300mm, furtherly：Semi-soft floating extension filler device is by many loading pipe longitudinal directions Arrangement, described filler is made up of nylon rope and suspension member, has a small hanging every 100mm on a long nylon rope, little Suspension member is so conducive to attachment, the breeding of bacterial classification, many fillers to intersect longitudinal arrangement composition just as a scattered branch Filler device.Water-locator 19 is installed in water inlet, can be very good to be distributed uniform fluid flow, described film reaction pond 22 centre is fixed with MBR film devices 2, and the lower section of MBR film devices is equipped with mixed aeration device 3, draws on the MBR film devices A piece water producing pipe 4 is connected with water self priming pump 16 is produced, and the aerating pipelines on described mixed aeration device spread all over film reaction bottom of pond portion, Aeration head is connected with aerating pipelines, 23 between equipment operation in equipped with automatically controlled bottle 6 and medicinal cupping 7, medicinal cupping 7 and backwash self priming pump 17 Connect, the one end of backwash tube 5 is connected with water producing pipe 4, the other end is connected by pipeline with backwash self priming pump, the one end of outlet pipe 11 It is connected with MBR film device delivery ports, is connected with pvc pipe between the outlet water pipe and backwash self priming pump, on the pvc pipe Pressure gauge and flowmeter are installed, the other end is connected with buried clear water reserviors, and on buried cesspool sewage inlet is provided with 13, the one end of backwash tube 12 connects with outlet pipe 11, and centre is by backwash self priming pump, pressure gauge, flowmeter, pvc pipe and attached Part connects, and observation panel 22 is provided with case lid, 14 fronts for being arranged on equipment of walking on stage, cat ladder 15 be arranged on equipment just before Side is connected with walking on stage, the import of cat ladder just between equipment operation door side, described MBR devices 2 are by stainless steel frame, chain Formula hollow-fibre membrane and aeration tube are constituted, and the material of tunica fibrosa is polyester, have row's polyester above stainless steel frame and below Pipe, tunica fibrosa connects with upper and lower polyester tube, a diameter of 5mm of every tunica fibrosa, there is a delivery port above frame, there is aeration below Pipe, material is PE, and the aeration of film is effectively reduced the attachment of film periphery, concentration 1%-3% of the described inner dress of medicinal cupping 7 time Sodium chlorate NaClO, for the attachment cleaned in film, prevents film from blocking, and anaerobism regulating reservoir is connected with film reaction pond 22, ground Bury the clear water reserviors of structure, the bottom of pond of sewage regulating reservoir and be placed with the activated sludge with bacterial classification, bacterial classification generally comprises Micrococcus, chain Coccus, Zoogloea, Alcaligenes, vibrios, bacillus, actinomyces, fungi.

During work, sewage is by elevator pump by sewage lifting to anaerobism regulating reservoir 21, and sewage is equal by water by water-locator 19 It is unable to divide euqally, biochemical reaction is carried out through filler device 18, flowed below in film reaction pond 22, in film reaction by anaerobism regulating reservoir Chi Zhong, sewage through the aeration of aerator 3, through the filtration of MBR films 2, in MBR films, then clear water is penetrated into from bottom to top Clear water is evacuated to into clear water reserviors by product water self priming pump 16.Whole service process is automatically controlled by PLC control program, and only film is clear Washing needs periodically to manually complete.

Claims (4)

1. a kind of film biological wastewater treatment device, it is characterised in that：This device is using aerial part and buried two large divisions's structure Into, it is buried including clear water reserviors, sewage regulating reservoir and sludge-tank on the ground including between anaerobism regulating reservoir, film reaction pond and equipment operation, Anaerobism regulating reservoir is separated out with dividing plate and another dividing plate in the inner chamber of ground upper box, it is described between film reaction pond and equipment operation Anaerobism regulating reservoir in be fixed with semi-soft floating extension filler device, semi-soft floating extension filler device is longitudinally arranged by many loading pipes Row, in water inlet water-locator is provided with, and the centre in described film reaction pond is fixed with MBR film devices, the lower section of MBR film devices Equipped with mixed aeration device, water producing pipe is drawn on the MBR film devices and is connected with water self priming pump is produced, between equipment operation in fill There are automatically controlled bottle and medicinal cupping, medicinal cupping is connected with backwash self priming pump, and backwash tube one end is connected with water producing pipe, and the other end passes through pipeline With backwash self priming pump be connected, outlet pipe one end is connected with MBR film device delivery ports, the outlet pipe and backwash self priming pump Between with pvc pipe connect, pressure gauge and flowmeter are installed on the pvc pipe, the other end is connected with buried clear water reserviors, buried Cesspool on be provided with sewage inlet, backwash tube one end connects with outlet pipe, centre by backwash self priming pump, pressure The connection of table, flowmeter, pvc pipe and annex, is provided with observation panel on case lid, the front of the equipment that is arranged on of walking on stage, cat ladder is arranged Be connected with walking on stage in the front of equipment, the import of cat ladder just between equipment operation door side, have one to go out above frame , there is below aeration tube at the mouth of a river, and the dividing plate in casing is separated using steel plate, and three buried ponds are steel and concrete structure；It is described Semi-soft floating extension filler device topmost from water inlet 200mm, bottom is by nylon from bottom of pond 300mm, described filler Rope and suspension member composition, have a small hanging every 100mm on a long nylon rope, small hanging just as a scattered branch, Many fillers intersect longitudinal arrangement composition.

2. a kind of film biological wastewater treatment device according to claim 1, it is characterised in that：Described MBR devices be by Stainless steel frame, chain type hollow-fibre membrane and aeration tube composition, the material of tunica fibrosa is polyester, above stainless steel frame and below all There is row's polyester tube, tunica fibrosa is connected with upper and lower polyester tube, a diameter of 5mm of every tunica fibrosa.

3. a kind of film biological wastewater treatment device according to claim 1, it is characterised in that：What is filled in described medicinal cupping is dense The sodium hypochlorite NaClO of degree 1%-3%, anaerobism regulating reservoir is connected with film reaction pond, and the bottom of pond of sewage regulating reservoir is placed with bacterium The activated sludge planted.

4. a kind of film biological wastewater treatment device according to claim 3, it is characterised in that：Described bacterial classification includes microballoon Pseudomonas, streptococcus, Zoogloea, Alcaligenes, vibrios, bacillus, actinomyces, fungi.