CN113698035A - Membrane bioreactor for sewage treatment - Google Patents

Membrane bioreactor for sewage treatment Download PDF

Info

Publication number
CN113698035A
CN113698035A CN202110968685.9A CN202110968685A CN113698035A CN 113698035 A CN113698035 A CN 113698035A CN 202110968685 A CN202110968685 A CN 202110968685A CN 113698035 A CN113698035 A CN 113698035A
Authority
CN
China
Prior art keywords
baffle plate
plate
tank
sludge
sewage treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110968685.9A
Other languages
Chinese (zh)
Inventor
丁海建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110968685.9A priority Critical patent/CN113698035A/en
Publication of CN113698035A publication Critical patent/CN113698035A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/27—Filters with filtering elements which move during the filtering operation with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention belongs to the technical field of sewage treatment, in particular to a membrane bioreactor for sewage treatment, which aims at solving the problem that the quality of effluent is reduced due to the fact that an existing ultrafiltration membrane component is easy to block. According to the invention, the first baffle plate, the second baffle plate and the third baffle plate are sequentially arranged from near to far through two ends of the ultrafiltration membrane, so that sewage is subjected to primary graded filtration, activated carbon powder is filled in the first baffle plate, activated carbon particles are filled in the second baffle plate, charcoal blocks are filled in the third baffle plate, adsorption cotton is arranged in the hemispherical mesh enclosures, particles in the sewage are effectively graded and filtered, the filtering effect is good and the efficiency is high, the particles entering the periphery of the ultrafiltration membrane are greatly reduced, and the using effect of the ultrafiltration membrane is accurate.

Description

Membrane bioreactor for sewage treatment
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a membrane bioreactor for sewage treatment.
Background
The membrane bioreactor is a novel wastewater treatment system organically combined by a membrane separation unit and a biological treatment unit, a membrane component is used for replacing a terminal secondary sedimentation tank of the traditional biological treatment technology, the high active sludge concentration is kept in the bioreactor, the biological treatment organic load is improved, the occupied area of a sewage treatment facility is reduced, the residual sludge amount is reduced by keeping low sludge load, and active sludge and macromolecular organic matters in water are intercepted mainly by utilizing membrane separation equipment; and the membrane bioreactor can retain microorganisms with longer generation period due to the effective interception function, can realize deep purification of sewage, simultaneously nitrifying bacteria can be fully propagated in the system, has obvious nitrification effect and provides possibility for deep phosphorus and nitrogen removal.
The membrane bioreactor is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like during sewage treatment, mainly comprises a water inlet well, a grating, a regulating tank, an MBR reaction tank, a disinfection device, a metering device and an electric control device, and has the advantages of good effluent quality, high stability, small occupied area, simple operation and maintenance and low water cost at sludge positions.
Disclosure of Invention
The invention provides a membrane bioreactor for sewage treatment based on the technical problem that the quality of effluent is reduced due to the fact that an existing ultrafiltration membrane component is easy to block.
The invention provides a membrane bioreactor for sewage treatment, which comprises a filter tank, an adjusting tank and an MBR reaction tank, wherein guide pipes are fixedly connected among the filter tank, the adjusting tank and the MBR reaction tank, sludge tanks are arranged on the outer sides of the adjusting tank and the MBR reaction tank, an anaerobic zone and an aerobic zone are arranged in the MBR reaction tank, an anaerobic mechanism is arranged at the bottom end of the anaerobic zone, a plurality of equidistant clamping grooves are arranged in the aerobic zone, ultrafiltration membranes are slidably arranged in the clamping grooves, a top plate is fixedly arranged at the top end of the ultrafiltration membrane, a first baffle plate, a second baffle plate and a third baffle plate are sequentially arranged at two ends of the top plate from near to far, a first U-shaped pipe and a second U-shaped pipe which are mutually interpenetrated are fixedly arranged at the bottom end of the mounting frame, and aeration flaring openings are connected at the top end of the first U-shaped pipe and the bottom end of the second U-shaped pipe, the air inlet ends of the top end of the first U-shaped pipe and the second U-shaped pipe are connected with an air blower.
Preferably, filter-tank one end outer wall upper end fixed mounting has driving motor, and driving motor output fixedly connected with rotation axis, rotation axis one side fixedly connected with interception otter board, rotation axis opposite side fixedly connected with press down the dirt otter board, and the interception otter board with press down the contained angle between the dirt otter board and be 160, rotation axis bottom fixed mounting has two pinion racks, and the contained angle of two pinion racks is 50, interception otter board top is provided with a plurality of equidistant blend stops.
Preferably, there is the U-shaped frame regulating reservoir top one side fixed mounting, and U-shaped frame top fixed mounting has the chemical tank, inside opposite side fixed mounting has filter screen board, fretwork board and adsorption plate in proper order in the regulating reservoir, and the height that highly is less than filter screen board and adsorption plate of fretwork board, regulating reservoir bottom inner wall is the slope form, and regulating reservoir bottom opposite side fixed mounting has a mud gathering groove, and filter screen board, fretwork board and adsorption plate bottom and regulating reservoir bottom inner wall are provided with the slip height.
Preferably, gather mud tank bottom and describe for the slope, gather mud tank top and be the drainage hole, gather mud tank one side inner wall both ends fixed mounting and have hydraulic column, and two hydraulic column telescopic end fixedly connected with lagging, the flexible fixed joint of lagging has the doctor-bar, and two hydraulic columns, gather mud tank bottom, regulation bottom of the pool end inner wall and be parallel to each other.
Preferably, a plurality of water outlet rings are arranged on two sides of the ultrafiltration membrane, and filter holes at two ends of the ultrafiltration membrane are in a circular truncated cone shape with a narrow outer part and a wide inner part.
Preferably, activated carbon powder is filled in the first baffle plate, activated carbon particles are filled in the second baffle plate, charcoal blocks are filled in the third baffle plate, a plurality of equidistant hemispherical mesh enclosures are fixedly mounted on the outer walls of the two ends of the third baffle plate, and adsorption cotton is arranged in the hemispherical mesh enclosures.
Preferably, the outer walls of the first baffle plate, the second baffle plate and the third baffle plate are all provided with filtering holes which are narrow outside and wide inside, the diameters of the filtering holes of the first baffle plate, the second baffle plate and the third baffle plate are sequentially increased, the top ends of the first baffle plate, the second baffle plate and the third baffle plate are all provided with threaded holes, the two sides of the bottom end of the top plate are provided with clamping grooves of which the widths are sequentially increased, and the top ends of the clamping grooves are provided with a plurality of inserting holes.
Preferably, the first resistance plate, the second resistance plate and the third resistance plate are sequentially increased in thickness.
Preferably, a sludge pump is arranged inside the sludge tank, one inlet end of the sludge pump is fixedly connected with a sludge transporting main pipe, a plurality of groups of sludge suction branch pipes with sequentially increased diameters are arranged on the outer side of the circumference of the sludge transporting main pipe, and the plurality of sludge suction branch pipes in each group are respectively positioned among the ultrafiltration membrane, the first baffle plate, the second baffle plate and the third baffle plate in each mounting frame.
The beneficial effects of the invention are as follows:
1. according to the membrane bioreactor for sewage treatment, the first baffle plate, the second baffle plate and the third baffle plate are sequentially arranged from near to far through two ends of the ultrafiltration membrane, the outer walls of the first baffle plate, the second baffle plate and the third baffle plate are respectively provided with the filtering holes with the narrow outside and the wide inside, the diameters and the widths of the filtering holes of the first baffle plate, the second baffle plate and the third baffle plate are sequentially increased, so that sewage is subjected to primary graded filtration, activated carbon powder is filled in the first baffle plate, activated carbon particles are filled in the second baffle plate, a wood carbon block is filled in the third baffle plate, adsorption cotton is arranged in a plurality of hemispherical mesh enclosures, particulate matters in the sewage are effectively graded and filtered, the filtering effect is good and high, the particulate matters entering the periphery of the ultrafiltration membrane are greatly reduced, the using effect of the ultrafiltration membrane is accurate, and a plurality of sludge suction branch pipes in each group are respectively positioned in the ultrafiltration membrane in each mounting rack, Between first resistance board, second resistance board and the third resistance board, the silt pump is quick exports silt and the precipitate of different grades fast, avoids silt and precipitate to adhere to or pile up or the joint on the milipore filter surface.
2. According to the membrane bioreactor for sewage treatment, the intercepting screen plate, the two toothed plates and the dust suppression screen plate are arranged in the filter tank, so that large-particle impurities in sewage are effectively filtered, the included angle between the intercepting screen plate and the dust suppression screen plate is 160 degrees and the included angle between the two toothed plates is 50 degrees, when the driving motor works, the intercepting screen plate, the two toothed plates and the dust suppression screen plate rotate in an arc track, and workers can conveniently clean the impurities on the surface of the intercepting screen plate and discharge sediments at the bottom end of the filter tank to prepare for subsequent MBR reaction.
3. According to the membrane bioreactor for sewage treatment, the U-shaped frame is arranged at the top end of the regulating tank, so that various medicaments can be conveniently and uniformly scattered in the regulating tank to be in full contact reaction with sewage, suspended matters and particulate matters in the sewage are sequentially intercepted by the filter screen plate, the hollow plate and the adsorption plate, the filtering pressure of the ultrafiltration membrane is reduced, the service life of the ultrafiltration membrane is prolonged, and when the hydraulic columns are retracted, the scraping blades scrape the sediments on the surface of the inner wall of the bottom end of the regulating tank into the sludge accumulation tank and are guided into the sludge accumulation tank through the pipeline.
4. According to the membrane bioreactor for sewage treatment, the plurality of water outlet rings are arranged on the two sides of the ultrafiltration membrane, and the filter holes at the two ends of the ultrafiltration membrane are in a round table shape with a narrow outside and a wide inside, so that water inlet of the ultrafiltration membrane is easy to precipitate, the water outlet efficiency is effectively improved, and the service life of the ultrafiltration membrane is prolonged.
5. According to the membrane bioreactor for sewage treatment, the air blower works while the ultrafiltration membrane and the components of the ultrafiltration membrane work, the aeration flaring at the top end of the first U-shaped tube and the bottom end of the second U-shaped tube continuously works, the first U-shaped tube and the second U-shaped tube are mutually inserted, sediment and sludge are prevented from precipitating at the bottom end inside the MBR reaction tank, and sewage flow is promoted.
Drawings
FIG. 1 is a schematic top view of a membrane bioreactor for sewage treatment according to the present invention;
FIG. 2 is a schematic side view of a membrane bioreactor mounting rack for sewage treatment according to the present invention;
FIG. 3 is a schematic top view of a membrane bioreactor for sewage treatment, which is provided by the present invention, showing the structure of a first U-shaped tube and a second U-shaped tube;
FIG. 4 is a schematic side view of an ultrafiltration membrane of a membrane bioreactor for sewage treatment according to the present invention;
FIG. 5 is a schematic diagram of a side view of a sludge collecting tank of a membrane bioreactor for sewage treatment according to the present invention;
FIG. 6 is a schematic structural diagram of a membrane bioreactor filter tank for sewage treatment according to the present invention;
FIG. 7 is a schematic structural diagram of a sludge transporting main pipe of a membrane bioreactor for sewage treatment according to the present invention;
FIG. 8 is a schematic side view of a membrane bioreactor for sewage treatment according to the present invention, showing a filter screen plate, a hollow plate and an adsorption plate.
In the figure: 1 filter tank, 2 equalizing basin, 3MBR reaction tank, 4 anaerobic zones, 5 aerobic zones, 6 interception screen plate, 7 driving motors, 8 dust suppression screen plate, 9U-shaped frame, 10 filter screen plate, 11 hollowed-out plate, 12 adsorption plate, 13 anaerobic mechanism, 14 mounting frame, 15 sludge gathering tank, 16 sludge tank, 17 blower, 18 draw-in groove, 19 first U-shaped pipe, 20 second U-shaped pipe, 21 top plate, 22 ultrafiltration membrane, 23 first baffle, 24 second baffle, 25 third baffle, 26 hemisphere screen cover, 27 sludge transporting main pipe, 28 toothed plate, 29 hydraulic column, 30 set plate, 31 doctor blade, 32 sludge pump.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-8, a membrane bioreactor for sewage treatment comprises a filter tank 1, an adjusting tank 2 and an MBR reaction tank 3, wherein guide pipes are fixedly connected among the filter tank 1, the adjusting tank 2 and the MBR reaction tank 3, sludge tanks 16 are arranged on the outer sides of the adjusting tank 2 and the MBR reaction tank 3, an anaerobic zone 4 and an aerobic zone 5 are arranged in the MBR reaction tank 3, an anaerobic mechanism 13 is arranged at the bottom end of the anaerobic zone 4, mounting frames 14 arranged at equal intervals are arranged in the aerobic zone 5, a plurality of equidistant clamping grooves 18 are formed in the inner walls of the two sides of each mounting frame 14, an ultrafiltration membrane 22 is slidably arranged in each clamping groove 18, a top plate 21 is fixedly arranged at the top end of each ultrafiltration membrane 22, a first baffle plate 23, a second baffle plate 24 and a third baffle plate 25 are sequentially arranged at the two ends of the top plate 21 from near to far, a first U-shaped pipe 19 and a second U-shaped pipe 20 which are mutually interpenetrated are fixedly arranged at the bottom end of each mounting frame 14, and the top end of the first U-shaped pipe 19 and the bottom end of the second U-shaped pipe 20 are connected with aeration flares, and the air inlet ends of the first U-shaped pipe 19 and the second U-shaped pipe 20 are connected with an air blower 17.
In the invention, the upper end of the outer wall of one end of a filter tank 1 is fixedly provided with a driving motor 7, the output end of the driving motor 7 is fixedly connected with a rotating shaft, one side of the rotating shaft is fixedly connected with an interception screen plate 6, the other side of the rotating shaft is fixedly connected with a dust suppression screen plate 8, the included angle between the interception screen plate 6 and the dust suppression screen plate 8 is 160 degrees, the bottom end of the rotating shaft is fixedly provided with two toothed plates 28, the included angle between the two toothed plates 28 is 50 degrees, the top end of the interception screen plate 6 is provided with a plurality of baffle strips with equal distances, the interception screen plate 6, the two toothed plates 28 and the dust suppression screen plate 8 are arranged in the filter tank 1, large-particle impurities in sewage are effectively filtered, the included angle between the interception screen plate 6 and the dust suppression screen plate 8 is 160 degrees and the included angle between the two toothed plates 28 is 50 degrees, when the driving motor 7 works, the interception screen plate 6, the two toothed plates 28 and the dust suppression screen plate 8 rotate in an arc track, and workers can conveniently clean the impurities on the surface of the interception screen plate 6 and discharge sediments at the bottom end of the filter tank 1, preparing for subsequent MBR reaction;
a U-shaped frame 9 is fixedly arranged on one side of the top end of the adjusting tank 2, a chemical box is fixedly arranged on the top end of the U-shaped frame 9, a filter screen plate 10, a hollow plate 11 and an adsorption plate 12 are sequentially and fixedly arranged on the other side in the adjusting tank 2, the height of the hollow plate 11 is less than that of the filter screen plate 10 and the adsorption plate 12, the inner wall of the bottom end of the adjusting tank 2 is inclined, the other side of the bottom end of the adjusting tank 2 is fixedly provided with a mud gathering groove 15, and the bottom ends of the filter screen plate 10, the hollow plate 11 and the adsorption plate 12 and the inner wall of the bottom end of the adjusting tank 2 are provided with sliding heights, the U-shaped frame 9 is arranged at the top end of the adjusting tank 2, so that various medicaments can be conveniently and uniformly scattered in the adjusting tank to be in full contact reaction with sewage, suspended matters and particles in the sewage are sequentially intercepted through the filter screen plate 10, the hollow plate 11 and the adsorption plate 12, the filtering pressure of the ultrafiltration membrane 22 is reduced, and the service life of the ultrafiltration membrane 22 is prolonged;
the bottom end of the sludge gathering groove 15 is inclined, the top end of the sludge gathering groove 15 is provided with a water filtering hole, two ends of the inner wall of one side of the sludge gathering groove 15 are fixedly provided with hydraulic columns 29, telescopic ends of the two hydraulic columns 29 are fixedly connected with sleeve plates 30, the telescopic ends of the sleeve plates 30 are fixedly clamped with scraping blades 31, the two hydraulic columns 29, the bottom end of the sludge gathering groove 15 and the inner wall of the bottom end of the adjusting tank 2 are mutually parallel, and when the hydraulic columns 29 retract, the scraping blades 31 scrape sediments on the surface of the inner wall of the bottom end of the adjusting tank 2 to the inside of the sludge gathering groove 15 and are guided into the sludge tank 16 through a pipeline;
a plurality of water outlet rings are arranged on two sides of the ultrafiltration membrane 22, and filter holes at two ends of the ultrafiltration membrane 22 are in a circular truncated cone shape with a narrow outside and a wide inside, so that water inlet of the ultrafiltration membrane 22 is easy to enter and precipitate difficultly, the water outlet efficiency is effectively improved, and the service life of the ultrafiltration membrane 22 is prolonged;
activated carbon powder is filled in the first baffle plate 23, activated carbon particles are filled in the second baffle plate 24, charcoal blocks are filled in the third baffle plate 25, a plurality of equidistant hemispherical mesh enclosures 26 are fixedly installed on the outer walls of the two ends of the third baffle plate 25, adsorption cotton is arranged in the hemispherical mesh enclosures 26, particles in sewage are effectively filtered in a grading mode, the filtering effect is good, and the efficiency is high;
the outer walls of the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are all provided with filtering holes which are narrow outside and wide inside, the diameters of the filtering holes of the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are sequentially increased, the top ends of the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are all provided with threaded holes, the two sides of the bottom end of the top plate 21 are provided with clamping grooves which are sequentially increased in width, and the top ends of the clamping grooves are provided with a plurality of jacks, so that the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 can be conveniently installed, overhauled and replaced;
the thicknesses of the first resistance plate 23, the second resistance plate 24 and the third resistance plate 25 are increased in sequence;
a sludge pump 32 is arranged in the sludge tank 16, one inlet end of the sludge pump 32 is fixedly connected with a sludge transporting main pipe 27, a plurality of groups of sludge suction branch pipes with sequentially increased diameters are arranged on the outer side of the circumference of the sludge transporting main pipe 27, and the plurality of sludge suction branch pipes in each group are respectively positioned among the ultrafiltration membrane 22, the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 in each mounting frame 14.
The working principle is as follows: the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are sequentially arranged from near to far through two ends of the ultrafiltration membrane 22, the outer walls of the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are respectively provided with a filtering hole with a narrow outer part and a wide inner part, the diameters and the widths of the filtering holes of the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25 are sequentially increased, so that the sewage is preliminarily classified and filtered, the first baffle plate 23 is filled with activated carbon powder, the second baffle plate 24 is filled with activated carbon particles, the third baffle plate 25 is filled with a wood block, the plurality of hemispherical mesh enclosures 26 are internally provided with adsorption cotton, the particles in the sewage are effectively classified and filtered, the filtering effect is good and high, the particles entering the periphery of the ultrafiltration membrane 22 are greatly reduced, the using effect of the ultrafiltration membrane 22 is accurate, and the plurality of sludge suction branch pipes in each group are respectively positioned in the ultrafiltration frame 14, Among the first baffle plate 23, the second baffle plate 24 and the third baffle plate 25, the sludge pump 32 can rapidly lead out sludge and sediments with different levels, so as to avoid the adhesion, accumulation or clamping of the sludge and sediments on the surface of the ultrafiltration membrane 22;
the intercepting screen plate 6, the two toothed plates 28 and the dust suppression screen plate 8 are arranged in the filter tank 1, so that large-particle impurities in sewage are effectively filtered, the included angle between the intercepting screen plate 6 and the dust suppression screen plate 8 is 160 degrees and the included angle between the two toothed plates 28 is 50 degrees, when the driving motor 7 works, the intercepting screen plate 6, the two toothed plates 28 and the dust suppression screen plate 8 rotate in an arc track, and workers can conveniently clean the impurities on the surface of the intercepting screen plate 6 and discharge sediments at the bottom end of the filter tank 1 to prepare for subsequent MBR reaction;
the U-shaped frame 9 is arranged at the top end of the adjusting tank 2, so that various medicaments can be conveniently and uniformly scattered in the adjusting tank to be in full contact reaction with sewage, suspended matters and particles in the sewage are sequentially intercepted by the filter screen plate 10, the hollow plate 11 and the adsorption plate 12, the filtering pressure of the ultrafiltration membrane 22 is reduced, the service life of the ultrafiltration membrane 22 is prolonged, and when the hydraulic columns 29 retract, the bottom ends of the sludge gathering grooves 15 and the inner wall of the bottom end of the adjusting tank 2 are parallel to each other, precipitates on the surface of the inner wall of the bottom end of the adjusting tank 2 are scraped downwards into the sludge gathering grooves 15 by the scraping blades 31 and are guided into the sludge tank 16 by a pipeline;
a plurality of water outlet rings are arranged on two sides of the ultrafiltration membrane 22, and filter holes at two ends of the ultrafiltration membrane 22 are in a truncated cone shape with a narrow outside and a wide inside, so that water inlet of the ultrafiltration membrane 22 is easy to enter and precipitate difficultly, the water outlet efficiency is effectively improved, and the service life of the ultrafiltration membrane 22 is prolonged;
when the ultrafiltration membrane 22 and the components thereof work, the air blower 17 also works, the aeration flaring at the top end of the first U-shaped pipe 19 and the bottom end of the second U-shaped pipe 20 continuously works, and the first U-shaped pipe 19 and the second U-shaped pipe 20 are mutually inserted, so that sediment and sludge are prevented from precipitating at the bottom end inside the MBR reaction tank 3, and meanwhile, the sewage flow is promoted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a membrane bioreactor for sewage treatment, includes filter tank (1), equalizing basin (2) and MBR reaction tank (3), equal fixedly connected with pipe between filter tank (1), equalizing basin (2) and MBR reaction tank (3), and equalizing basin (2) and MBR reaction tank (3) outside is provided with silt pool (16), a serial communication port, MBR reaction tank (3) inside is provided with anaerobic zone (4) and aerobic zone (5), and anaerobic zone (4) bottom installs anaerobism mechanism (13), and aerobic zone (5) inside has placed mounting bracket (14) that the equidistance was arranged, a plurality of equidistance draw-in grooves (18) have been seted up to mounting bracket (14) both sides inner wall, and draw-in groove (18) inside slidable mounting have ultrafiltration membrane (22), ultrafiltration membrane (22) top fixed mounting has roof (21), and roof (21) both ends from being close and far away have set gradually first resistance plate (23), The air-conditioning device comprises a second baffle plate (24) and a third baffle plate (25), wherein a first U-shaped pipe (19) and a second U-shaped pipe (20) are fixedly mounted at the bottom end of the mounting frame (14) and are mutually inserted, the top end of the first U-shaped pipe (19) and the bottom end of the second U-shaped pipe (20) are connected with aeration flaring openings, and the air inlet ends of the top end of the first U-shaped pipe (19) and the second U-shaped pipe (20) are connected with an air blower (17).
2. The membrane bioreactor for sewage treatment according to claim 1, wherein a driving motor (7) is fixedly installed at the upper end of the outer wall of one end of the filter tank (1), a rotating shaft is fixedly connected with the output end of the driving motor (7), an intercepting screen plate (6) is fixedly connected to one side of the rotating shaft, a dust suppression screen plate (8) is fixedly connected to the other side of the rotating shaft, the included angle between the intercepting screen plate (6) and the dust suppression screen plate (8) is 160 degrees, two toothed plates (28) are fixedly installed at the bottom end of the rotating shaft, the included angle between the two toothed plates (28) is 50 degrees, and a plurality of equidistant barrier strips are arranged at the top end of the intercepting screen plate (6).
3. The membrane bioreactor for sewage treatment according to claim 1, wherein a U-shaped frame (9) is fixedly installed on one side of the top end of the adjusting tank (2), a chemical box is fixedly installed on the top end of the U-shaped frame (9), a filter screen plate (10), a hollowed-out plate (11) and an adsorption plate (12) are sequentially and fixedly installed on the other side inside the adjusting tank (2), the height of the hollowed-out plate (11) is smaller than the heights of the filter screen plate (10) and the adsorption plate (12), the inner wall of the bottom end of the adjusting tank (2) is inclined, a sludge collecting groove (15) is fixedly installed on the other side of the bottom end of the adjusting tank (2), and the sliding heights are arranged on the bottom ends of the filter screen plate (10), the hollowed-out plate (11) and the adsorption plate (12) and the inner wall of the bottom end of the adjusting tank (2).
4. The membrane bioreactor for sewage treatment according to claim 3, wherein the bottom end of the sludge collection tank (15) is inclined, the top end of the sludge collection tank (15) is provided with a water filtering hole, two ends of the inner wall of one side of the sludge collection tank (15) are fixedly provided with hydraulic columns (29), two telescopic ends of the hydraulic columns (29) are fixedly connected with a sleeve plate (30), the telescopic ends of the sleeve plate (30) are fixedly clamped with a scraping blade (31), and the two hydraulic columns (29), the bottom end of the sludge collection tank (15) and the inner wall of the bottom end of the adjusting tank (2) are parallel to each other.
5. The membrane bioreactor for sewage treatment according to claim 1, wherein a plurality of water outlet rings are arranged on two sides of the ultrafiltration membrane (22), and filter holes at two ends of the ultrafiltration membrane (22) are in a truncated cone shape with a narrow outside and a wide inside.
6. The membrane bioreactor for sewage treatment according to claim 1, wherein the first baffle plate (23) is filled with activated carbon powder, the second baffle plate (24) is filled with activated carbon particles, the third baffle plate (25) is filled with charcoal blocks, a plurality of equidistant hemispherical mesh enclosures (26) are fixedly installed on the outer walls of the two ends of the third baffle plate (25), and the adsorbing cotton is arranged inside the hemispherical mesh enclosures (26).
7. The membrane bioreactor for sewage treatment according to claim 6, wherein the outer walls of the first baffle plate (23), the second baffle plate (24) and the third baffle plate (25) are provided with filtering holes which are narrow at the outer part and wide at the inner part, the diameters of the filtering holes of the first baffle plate (23), the second baffle plate (24) and the third baffle plate (25) are sequentially increased, the top ends of the first baffle plate (23), the second baffle plate (24) and the third baffle plate (25) are provided with threaded holes, the two sides of the bottom end of the top plate (21) are provided with clamping grooves which are sequentially increased in width, and the top ends of the clamping grooves are provided with a plurality of insertion holes.
8. A membrane bioreactor for sewage treatment according to claim 7, characterized in that the thicknesses of the first baffle plate (23), the second baffle plate (24) and the third baffle plate (25) are increased in sequence.
9. The membrane bioreactor for sewage treatment according to claim 1, wherein a sludge pump (32) is arranged inside the sludge tank (16), one inlet end of the sludge pump (32) is fixedly connected with a main sludge transporting pipe (27), a plurality of groups of sludge suction branch pipes with successively increased diameters are arranged outside the circumference of the main sludge transporting pipe (27), and the plurality of sludge suction branch pipes in each group are respectively positioned among the ultrafiltration membrane (22), the first baffle plate (23), the second baffle plate (24) and the third baffle plate (25) in each mounting frame (14).
CN202110968685.9A 2021-08-23 2021-08-23 Membrane bioreactor for sewage treatment Pending CN113698035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110968685.9A CN113698035A (en) 2021-08-23 2021-08-23 Membrane bioreactor for sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110968685.9A CN113698035A (en) 2021-08-23 2021-08-23 Membrane bioreactor for sewage treatment

Publications (1)

Publication Number Publication Date
CN113698035A true CN113698035A (en) 2021-11-26

Family

ID=78654090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110968685.9A Pending CN113698035A (en) 2021-08-23 2021-08-23 Membrane bioreactor for sewage treatment

Country Status (1)

Country Link
CN (1) CN113698035A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115138214A (en) * 2022-07-27 2022-10-04 南宁师范大学 Method for recycling waste molasses for preparing fruit sweetener

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101719A (en) * 2009-12-18 2011-06-22 上海川鼎国际贸易有限公司 Integral MBR sewage treating and recycling method and treatment device
CN103466876A (en) * 2013-08-06 2013-12-25 常州友达环保科技有限公司 External double-stage membrane bioreactor
CN105565608A (en) * 2016-02-03 2016-05-11 中北大学 Data mining based sewage treatment system
CN105668952A (en) * 2016-04-25 2016-06-15 广东东日环保有限公司 Smart two-membrane integrated sewage treatment system
CN205398376U (en) * 2016-02-15 2016-07-27 武汉沃特尔环保工程建设有限公司 Stabilize efficient rural domestic sewage treatment device
CN207811509U (en) * 2017-12-20 2018-09-04 广东壕鑫实业有限公司 A kind of Bleaching and dyeing sewage processing unit
CN207862120U (en) * 2017-12-25 2018-09-14 惠博普环境工程技术有限公司 A kind of municipal wastewater processing unit
CN208500658U (en) * 2018-03-26 2019-02-15 云南佩加环境科技有限公司 Water treatment system with membrane bioreactor
CN208632344U (en) * 2018-08-17 2019-03-22 清远济圣生物科技有限公司 A kind of integrated sewage treating apparatus
CN209161674U (en) * 2018-11-01 2019-07-26 贵州华源环保科技发展有限公司 A kind of small-sized domestic sewage processing system
CN210193614U (en) * 2019-06-11 2020-03-27 福州科煌生态环保科技有限公司 Follow-on MBR sewage plant
CN111439838A (en) * 2020-04-03 2020-07-24 广西国宏智鸿环保科技集团有限公司 Sewage treatment method and sewage treatment system of combined dynamic membrane bioreactor
CN211141802U (en) * 2019-09-17 2020-07-31 李道兵 Polluted water comprehensive treatment reaction tank
CN112573780A (en) * 2020-12-28 2021-03-30 安徽华荣环保科技有限公司 Membrane biological reaction MBR integration sewage treatment system

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101719A (en) * 2009-12-18 2011-06-22 上海川鼎国际贸易有限公司 Integral MBR sewage treating and recycling method and treatment device
CN103466876A (en) * 2013-08-06 2013-12-25 常州友达环保科技有限公司 External double-stage membrane bioreactor
CN105565608A (en) * 2016-02-03 2016-05-11 中北大学 Data mining based sewage treatment system
CN205398376U (en) * 2016-02-15 2016-07-27 武汉沃特尔环保工程建设有限公司 Stabilize efficient rural domestic sewage treatment device
CN105668952A (en) * 2016-04-25 2016-06-15 广东东日环保有限公司 Smart two-membrane integrated sewage treatment system
CN207811509U (en) * 2017-12-20 2018-09-04 广东壕鑫实业有限公司 A kind of Bleaching and dyeing sewage processing unit
CN207862120U (en) * 2017-12-25 2018-09-14 惠博普环境工程技术有限公司 A kind of municipal wastewater processing unit
CN208500658U (en) * 2018-03-26 2019-02-15 云南佩加环境科技有限公司 Water treatment system with membrane bioreactor
CN208632344U (en) * 2018-08-17 2019-03-22 清远济圣生物科技有限公司 A kind of integrated sewage treating apparatus
CN209161674U (en) * 2018-11-01 2019-07-26 贵州华源环保科技发展有限公司 A kind of small-sized domestic sewage processing system
CN210193614U (en) * 2019-06-11 2020-03-27 福州科煌生态环保科技有限公司 Follow-on MBR sewage plant
CN211141802U (en) * 2019-09-17 2020-07-31 李道兵 Polluted water comprehensive treatment reaction tank
CN111439838A (en) * 2020-04-03 2020-07-24 广西国宏智鸿环保科技集团有限公司 Sewage treatment method and sewage treatment system of combined dynamic membrane bioreactor
CN112573780A (en) * 2020-12-28 2021-03-30 安徽华荣环保科技有限公司 Membrane biological reaction MBR integration sewage treatment system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115138214A (en) * 2022-07-27 2022-10-04 南宁师范大学 Method for recycling waste molasses for preparing fruit sweetener
CN115138214B (en) * 2022-07-27 2023-07-07 南宁师范大学 Recycling method of waste molasses for preparing fruit sweetener

Similar Documents

Publication Publication Date Title
CN213112940U (en) Domestic sewage treatment system
CN113698035A (en) Membrane bioreactor for sewage treatment
CN109592852B (en) River water pollution prevention and treatment device
CN112299601A (en) Organic wastewater and sewage treatment equipment and sewage treatment method
CN113149335A (en) Be used for black and odorous river course sewage layering to administer mechanism and synthesize renovation system
CN110713310A (en) Sewage advanced treatment device and method based on microbial activated sponge iron filler
CN201124061Y (en) Sewage treatment apparatus
CN215327398U (en) Landfill leachate softening treatment device
CN214654276U (en) Filler-reinforced domestic sewage treatment system
CN212403851U (en) Industrial wastewater treatment equipment
CN212051015U (en) Continuous membrane method water treatment equipment device
CN212374948U (en) Sewage treatment device for city
CN210237396U (en) Microorganism sewage treatment plant
CN210481156U (en) Rural sewage treatment device in integration river course
CN209740932U (en) Integrated device for wetland water inlet pretreatment
CN211497296U (en) Sewage treatment plant based on MBR
CN210711167U (en) Materialization and biochemical disconnect-type MBR nitrogen and phosphorus removal processing system
CN208857053U (en) A kind of power station effluent filter
CN218221357U (en) Sewage treatment equipment convenient to handle sewage residue
CN212894367U (en) Rural natural energy domestic sewage treatment system
CN214571128U (en) Sewage treatment equipment with noise reduction pump body
CN215049548U (en) Rural sewage treatment plant of high-efficient integration
CN211170317U (en) Energy-saving river irrigation water purification installation
CN216855943U (en) Distributed domestic sewage treatment equipment
CN219079236U (en) Glass fiber reinforced plastic sealing regulating tank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20211126

RJ01 Rejection of invention patent application after publication