CN112408596B - Low-energy-consumption integrated MBR sewage treatment equipment - Google Patents
Low-energy-consumption integrated MBR sewage treatment equipment Download PDFInfo
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- CN112408596B CN112408596B CN202011188624.2A CN202011188624A CN112408596B CN 112408596 B CN112408596 B CN 112408596B CN 202011188624 A CN202011188624 A CN 202011188624A CN 112408596 B CN112408596 B CN 112408596B
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- 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
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- 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
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Abstract
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to low-energy-consumption integrated MBR sewage treatment equipment, which comprises a shell, wherein the shell is divided into a pretreatment tank, an anaerobic tank, an aerobic tank, an MBR membrane tank and equipment, a pretreatment mechanism is arranged in the pretreatment tank, an MBR membrane group and an aeration mechanism are arranged in the MBR membrane tank, the aeration mechanism comprises an air inlet pipe, a main pipe, a plurality of branch pipes and a plurality of spray head assemblies, the position of an aeration pipe of the existing integrated sewage treatment equipment is fixed, the strength of gas sprayed by the aeration spray heads is also fixed, and the gas always moves along a fixed route, so that the fluidity between the MBR membrane group and sewage is poor, the mixing and stirring effects of sewage and gas in the MBR membrane tank are poor, organic matters, suspended matters and activated sludge in the sewage are easy to settle at the edge part, the MBR membrane group is easy to be blocked by settling impurities, the water purification efficiency of the MBR membrane group is reduced, and the maintenance cost of the MBR membrane group is increased.
Description
Technical Field
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to low-energy-consumption integrated MBR sewage treatment equipment.
Background
With the increase of global population and the acceleration of industrial development, the demand of people for water resources is higher and higher, and the problem of resource shortage caused by unreasonable development and utilization of water resources has seriously affected the production and life of people. The fresh water resource only accounts for 0.5 percent of the total amount of the water resource of the earth, and the resource distribution is unbalanced, so that the phenomenon of water shortage in some countries and regions is more serious, and therefore, how to reasonably and effectively protect, utilize and distribute the water resource becomes an important point of increasing attention of people.
At present, the sewage treatment method mainly comprises two major types, namely an activated sludge method and a biomembrane method. The activated sludge process belongs to a relatively mature process. In recent years, a new technology of combining a biological treatment technology with a membrane separation technology using a Membrane Bioreactor (MBR) has been rapidly developed and improved.
From the operation practice of many years, the solid-liquid separation efficiency can be greatly improved by combining the biomembrane method and the activated sludge method, and the biochemical reaction rate is improved due to the increase of the concentration of the activated sludge in the aeration tank and the appearance of specific bacteria in the sludge, so that a plurality of outstanding problems in the traditional activated sludge method are solved.
The position of the aeration pipe of the existing integrated sewage treatment equipment is fixed, the gas intensity sprayed by the aeration spray nozzle is also fixed, and the aeration spray nozzle always moves along a fixed route, so that the mobility between the MBR membrane group and sewage is poor, the mixing and stirring effects of sewage and gas in the MBR membrane pool are poor, organic matters, suspended matters and activated sludge in the sewage are easy to settle at the edge part, the MBR membrane group is easy to be blocked by settling impurities, the water purifying efficiency of the MBR membrane group is reduced, and the maintenance cost of the MBR membrane group is increased.
Disclosure of Invention
The purpose of the invention is that: the utility model provides a low energy consumption integration MBR sewage treatment device for solve current integration sewage treatment device's aeration pipe's position is fixed, aeration shower nozzle spun gas intensity is also fixed, and always follow fixed route and remove, make mobility between MBR membrane group and the sewage relatively poor, the mixed stirring effect of sewage and gas in the MBR membrane pond is relatively poor, make organic matter in the sewage, suspended solid and activated sludge subside at the edge portion easily, lead to the MBR membrane group to be blocked by the subsided impurity easily, the water purification efficiency of MBR membrane group has been reduced, the maintenance cost's of MBR membrane group problem has been increased.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a low energy consumption integration MBR sewage treatment device, which comprises a housin, divide into pretreatment tank, anaerobism pond, good oxygen pond, MBR membrane pond and between the equipment respectively in the casing, communicate through first suction pump between pretreatment tank and the anaerobism pond, communicate through first logical groove between anaerobism pond and the good oxygen pond, good oxygen pond and MBR membrane pond pass through second suction pump intercommunication, install pretreatment mechanism in the pretreatment tank, all install biological filler frame in anaerobism pond and the good oxygen pond, install MBR membrane group and aeration mechanism in the MBR membrane pond, install compressed air subassembly in the equipment, compressed air subassembly and aeration mechanism intercommunication, aeration mechanism includes intake pipe, house steward, a plurality of branch pipes and a plurality of shower nozzle subassembly, the one end and the compressed air subassembly of intake pipe are connected, and the other end is connected on the house steward, a plurality of branch pipes evenly distributed install on the house steward, a plurality of shower nozzle subassemblies evenly install on a plurality of shower nozzle subassemblies, branch pipes evenly distributed in the MBR membrane pond, and part shower nozzle subassembly below the membrane group and aeration mechanism, the fan blade group is located in the fan blade group and the fan blade is located in the same place fixed hub, and is fixed in the same fixed position, the fan blade is fixed in the hub is fixed with the hub, and is located at one end of the same fixed through-hole, and is fixed in the hub fixed position, and is fixed with the fan blade group is fixed in the hub, and is fixed in the hub fixed position, and is fixed with the through the hub, and are located within the same spiral period.
Further limited, the shower nozzle subassembly includes first sleeve, second sleeve and third sleeve, first sleeve installs and fixes on the branch pipe to with first through-hole intercommunication, fixed mounting has the fixed disk on the first sleeve, the second through-hole has been seted up at the center of fixed disk, the slip post has been cup jointed in the second through-hole, the upper end fixed mounting of slip post has the stopper, a plurality of fumaroles have been seted up on the fixed disk, the diameter of stopper is less than the diameter of fixed disk, the diameter of slip post is less than the internal diameter of first sleeve, the length dimension of slip post is greater than the length of first sleeve, the screw groove has been seted up on the first sleeve, fixed mounting has the screw post on the second sleeve, the third through-hole has been seted up at the top center of second sleeve, sets up like this, can control the shower nozzle subassembly through the slip post with the intercommunication of external world and branch pipe, and the installation of second sleeve and slip post of being convenient for.
Further limiting, the second sealing sleeve is fixedly arranged on the inner wall of the third through hole, the third sealing sleeve is fixedly arranged on the limiting block, and the second sealing sleeve and the third sealing sleeve are arranged in such a way that when the limiting block is positioned in the third through hole, the limiting block seals the third through hole, and water in the MBR membrane tank is prevented from entering the second sleeve.
Further limiting, the external screw thread has been seted up on the top outer wall of second telescopic, corresponding internal screw thread has been seted up to the telescopic inner wall of third, a plurality of micropores have been seted up at the telescopic top of third, set up like this, form the filter screen through a plurality of micropores, avoid third through hole direct with sewage contact, lead to a large amount of impurity and granule direct entering third through hole to get into the branch pipe.
Further limited, install the bearing between wheel hub and the connecting rod, wheel hub fixed mounting is on the outer lane of bearing, sets up like this, through the installation of bearing, more is favorable to the flabellum to rotate under the drive of pressurized air.
Further defined, the end of the sliding column is inclined, so that the fan blade can conveniently extrude and slide the sliding column.
Further limited, pretreatment mechanism includes installation shell, first swash plate, second swash plate and third swash plate, the mounting groove has been seted up to one side of installation shell, the joint has the shrouding in the mounting groove, fixed mounting has the handle on the shrouding, first swash plate fixed mounting is in installation shell one side, second swash plate fixed mounting is in the opposite side of installation shell, and has certain clearance between first swash plate and the second swash plate, third swash plate fixed mounting is in the same side of first swash plate, there is certain clearance between third swash plate and the second swash plate, set up like this, make sewage get into behind the first swash plate, gradually full of the recess that first swash plate and installation shell formed, then sewage gets into the second swash plate from first swash plate, and sewage gets into behind the second swash plate, and sewage is full of behind the third swash plate, finally gets into the bottom of installation shell, through the gradual settling of first swash plate, second swash plate and third swash plate, carries out preliminary separation with fixed impurity and heavier impurity and sewage in the sewage, has reduced the turbidity in the sewage, makes the sewage light group get into the bottom of the first anaerobic pump of getting into through the installation shell.
Further limited, the first inclined plate is provided with a second through groove, the third inclined plate is provided with a third through groove, the second through groove and the third through groove are positioned on the same vertical central line, the second through groove is in a ladder shape, a first clamping plate is arranged in the second through groove, a second clamping plate is arranged in the third through groove, first lifting rods are arranged on the first clamping plate and the second clamping plate, clamping pieces are fixedly arranged below the third through groove of the first lifting rods, a first blind hole and a second blind hole are formed in the clamping pieces, a first spring and a first clamping column are arranged in the first blind hole, one end of the first spring is fixedly connected to the bottom of the first blind hole, the other end of the first spring is fixedly connected to the first clamping column, the tail end of the first clamping column is an inclined plane, a second spring and the second clamping column are arranged in the second blind hole, one end of the second spring is fixedly connected with the bottom of the second blind hole, the other end of the second spring is fixedly connected with the second clamping column, a fourth groove is formed in the second inclined plate, the fourth groove is in a ladder shape, a third clamping plate is installed in the fourth groove, a second lifting rod is fixedly installed on the third clamping plate, a threaded cylinder is screwed between the first lifting rod and the second lifting rod, the first lifting rod and the second lifting rod are connected through the threaded cylinder, so that the second groove, the third groove and the fourth groove can be opened once, water in the inclined plate can leak out, after the pretreatment mechanism is used for a long time, more sediment is accumulated on the first inclined plate, the second inclined plate and the third inclined plate, through the water accumulated on the inclined plate leaking out, the pretreatment mechanism is integrally lifted, then the sealing plate is opened through a handle on the sealing plate, the first inclined plate, the second inclined plate and the third inclined plate are flushed by clean water, and then the sealing plate is installed, so that the sealing plate can be reused again, and is simple and convenient.
Further limited, the first sealing sleeves are fixedly arranged on the first clamping plate and the third clamping plate, and thus the first sealing sleeves are respectively arranged on the first clamping plate and the third clamping plate, so that the first sloping plate and the second sloping plate can not leak water when the first clamping plate and the third clamping plate are clamped on the first sloping plate and the second sloping plate.
The invention adopting the technical scheme has the following advantages:
1. the plurality of fan blade groups are arranged in the branch pipe of the aeration mechanism, the fan blade positions in the two adjacent fan blade groups are staggered and are positioned in the same spiral period, and the fan blade groups are mutually matched with the air injection assemblies, so that the two adjacent air injection assemblies alternately inject air, the mixing and stirring effects of the air and sewage in the MBR membrane tank are increased, the mobility of the sewage is increased, the contact area of the air and the sewage in the MBR membrane tank is increased, the sedimentation of the sewage at the edge is avoided, and the opportunity that an organic matter blocks the MBR membrane group is reduced, thereby improving the water purification efficiency of the MBR membrane group, reducing the maintenance cost of the MBR membrane group and prolonging the service life of the MBR membrane group;
2. through the mutual matching of the aeration mechanism and the pretreatment mechanism, solid particles, impurities and pollutants in the sewage are reduced, so that the effluent is cleaner;
3. through the gradual settlement of first swash plate, second swash plate and third swash plate among the pretreatment unit, carry out preliminary separation with fixed impurity and heavier impurity and the sewage in the sewage, the turbidity of sewage has been reduced, and after pretreatment unit used for a long time, accumulated more precipitate on first swash plate, second swash plate and the third swash plate, all spill through ponding on the swash plate, then wholly propose pretreatment unit, then handle on the shrouding is opened, wash first swash plate with clean water, second swash plate and third swash plate can, then install the shrouding, can reuse again, and is simple, convenient.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of an embodiment of a low energy-consumption integrated MBR wastewater treatment facility according to the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a low-energy-consumption integrated MBR wastewater treatment facility according to the present invention;
FIG. 3 is a schematic structural view of a pretreatment mechanism in an embodiment of a low energy-consumption integrated MBR wastewater treatment facility according to the present invention;
FIG. 4 is a schematic diagram of an installation structure of a pretreatment mechanism in an embodiment of a low-energy-consumption integrated MBR sewage treatment device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a pretreatment mechanism in an embodiment of a low energy-consumption integrated MBR wastewater treatment facility according to the present invention;
FIG. 6 is an enlarged schematic view of the structure shown at A in FIG. 5;
FIG. 7 is a schematic view of the aeration mechanism in an embodiment of the integrated MBR sewage treatment apparatus with low energy consumption;
FIG. 8 is a schematic cross-sectional view of a branch pipe in an embodiment of a low-energy-consumption integrated MBR sewage treatment device according to the present invention;
FIG. 9 is an enlarged schematic view of the structure shown at B in FIG. 8;
FIG. 10 is an enlarged schematic view of the structure of FIG. 8C;
FIG. 11 is an enlarged schematic view of the structure of FIG. 10 at D;
FIG. 12 is an enlarged schematic view of the structure at E in FIG. 8;
the main reference numerals are as follows:
casing 1, second through tank 101, third through tank 102, fourth through tank 103, pretreatment tank 11, installation casing 111, first inclined plate 112, second inclined plate 113, third inclined plate 114, sealing plate 115, handle 116, installation tank 117, anaerobic tank 12, bio-filler frame 121, first suction pump 122, aerobic tank 13, MBR membrane tank 14, second suction pump 141, and inter-equipment 15
MBR membrane module 2, aeration mechanism 3, first through hole 301, air inlet pipe 31, main pipe 32, branch pipe 33, fixing plate 331, connecting rod 332, bearing 34, hub 35, fan blade 351, second lifting rod 4, screw cylinder 41, third clamping plate 42, first lifting rod 5, first clamping plate 51, first sealing sleeve 511, second clamping plate 52, clamping piece 53, first blind hole 531, first spring 532, first clamping column 533, second blind hole 54, second spring 541, second clamping column 542
The first sleeve 6, the screw groove 601, the second sleeve 61, the screw post 611, the third through hole 612, the second sealing sleeve 613, the fixing plate 62, the air injection hole 621, the second through hole 622, the sliding post 63, the stopper 631, the inclined surface 632, the third sealing sleeve 633, the third sleeve 65, and the micro hole 651.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 12, the low-energy-consumption integrated MBR sewage treatment device of the present invention comprises a housing 1, wherein the housing 1 is divided into a pretreatment tank 11, an anaerobic tank 12, an aerobic tank 13, an MBR membrane tank 14 and a device room 15, the pretreatment tank 11 and the anaerobic tank 12 are communicated through a first suction pump 122, the anaerobic tank 12 and the aerobic tank 13 are communicated through a first through groove, and the aerobic tank 13 and the MBR membrane tank 14 are communicated through a second suction pump 141. The pretreatment tank 11 is internally provided with a pretreatment mechanism, the anaerobic tank 12 and the aerobic tank 13 are internally provided with biological filler frames 121, the MBR membrane tank 14 is internally provided with an MBR membrane group 2 and an aeration mechanism 3, the equipment room 15 is internally provided with a compressed air component, and the compressed air component is communicated with the aeration mechanism 3.
The pretreatment mechanism comprises a mounting shell 111, a first inclined plate 112, a second inclined plate 113 and a third inclined plate 114, wherein a mounting groove 117 is formed in one side of the mounting shell 111, a sealing plate 115 is clamped in the mounting groove 117, the mounting shell 111 is sealed through the sealing plate 115, and sewage is prevented from leaking from the sealing plate 115. A handle 116 is fixedly arranged on the sealing plate 115, and the sealing plate 115 is convenient to install and detach through the handle 116. The first inclined plate 112 is fixedly arranged on one side of the installation shell 111, the second inclined plate 113 is fixedly arranged on the other side of the installation shell 111, a certain gap is reserved between the first inclined plate 112 and the second inclined plate 113, the third inclined plate 114 is fixedly arranged on the same side of the first inclined plate 112, a certain gap is reserved between the third inclined plate 114 and the second inclined plate 113, after sewage enters the first inclined plate 112, the grooves formed by the first inclined plate 112 and the installation shell 111 are gradually filled, then the sewage enters the second inclined plate 113 from the first inclined plate 112, enters the third inclined plate 114 after the sewage fills the second inclined plate 113, and finally enters the bottom of the installation shell 111 after the sewage fills the third inclined plate 114, and through gradual sedimentation of the first inclined plate 112, the second inclined plate 113 and the third inclined plate 114, the fixed impurities, the heavier impurities and the sewage in the sewage are primarily separated, so that the turbidity of the sewage is reduced, and lighter components in the sewage enter the bottom of the installation shell 111 and are sucked into the anaerobic tank 12 through the first pump 122.
The first inclined plate 112 is provided with a second through groove 101, the third inclined plate 114 is provided with a third through groove 102, the second through groove 101 and the third through groove 102 are positioned on the same vertical central line, the second through groove 101 is in a ladder shape, the second through groove 101 is internally provided with a first clamping plate 51, the third through groove 102 is internally provided with a second clamping plate 52, the first clamping plate 51 and the second clamping plate 52 are both provided with a first lifting rod 5, the lower part of the third through groove 102 is fixedly provided with a clamping piece 53, the clamping piece 53 is provided with a first blind hole 531 and a second blind hole 54, the first blind hole 531 is internally provided with a first spring 532 and a first clamping column 533, one end of the first spring 532 is fixedly connected to the bottom of the first blind hole 531, the other end of the first spring 532 is fixedly connected to the first clamping column 533, and the tail end of the first clamping column 533 is an inclined plane. The second blind hole 54 is internally provided with a second spring 541 and a second clamping column 542, one end of the second spring 541 is fixedly connected with the bottom of the second blind hole 54, the other end of the second spring 541 is fixedly connected to the second clamping column 542, the first clamping column 533 is propped against the third inclined plate 114 through the first clamping column 533, when the first lifting rod 5 is lifted, the first clamping column 533 can be compressed into the first blind hole 531, the second clamping column 542 is propped against the third inclined plate 114, a certain gap is formed between the first clamping plate 51 and the second clamping plate 52 and the first inclined plate 112 and the third inclined plate 114 respectively, so that accumulated water in the first inclined plate 112 and the third inclined plate 114 can leak to the bottom of the installation shell 111, and the anaerobic tank 12 is pumped by the first suction pump 122, and after accumulated water leaks, the first lifting rod 5 is put down, so that the trouble of reinstallation is avoided. The first card 51 and the second card 52 can be stably placed on the first inclined plate 112 and the third inclined plate 114 by the stepped second through groove 101.
The second inclined plate 113 is provided with a fourth groove 103, the fourth groove 103 is in a step shape, the third clamping plate 42 is arranged in the fourth groove 103, and the third clamping plate 42 can be stably arranged on the second inclined plate 113 through the step-shaped fourth groove 103. The second lifting rod 4 is fixedly arranged on the third clamping plate 42, a threaded cylinder 41 is connected between the first lifting rod 5 and the second lifting rod 4 in a threaded manner, the first lifting rod 5 and the second lifting rod 4 are connected through the threaded cylinder 41, and the second through groove 101, the third through groove 102 and the fourth through groove 103 can be opened once, so that accumulated water in the inclined plate leaks. After the pretreatment mechanism is used for a long time, more sediment is accumulated on the first inclined plate 112, the second inclined plate 113 and the third inclined plate 114, accumulated water on the inclined plates is leaked out, the pretreatment mechanism is integrally lifted out, then the sealing plate 115 is opened through a handle 116 on the sealing plate 115, the first inclined plate 112, the second inclined plate 113 and the third inclined plate 114 are washed by clean water, and then the sealing plate 115 is installed, so that the pretreatment mechanism can be reused, and is simple and convenient. The first sealing sleeves 511 are fixedly arranged on the first clamping plate 51 and the third clamping plate 42, and the first sealing sleeves 511 are respectively arranged on the first clamping plate and the third clamping plate 42, so that when the first clamping plate 51 and the third clamping plate 42 are clamped on the first inclined plate 112 and the second inclined plate 113, the first inclined plate 112 and the second inclined plate 113 cannot leak water.
The aeration mechanism 3 comprises an air inlet pipe 31, a main pipe 32, a plurality of branch pipes 33 and a plurality of nozzle assemblies, one end of the air inlet pipe 31 is connected with the compressed air assembly, the other end of the air inlet pipe 31 is connected to the main pipe 32, the plurality of branch pipes 33 are uniformly distributed and installed on the main pipe 32, the plurality of nozzle assemblies are uniformly installed on the plurality of branch pipes 33, the branch pipes 33 are uniformly distributed in the MBR membrane tank 14, and part of nozzle assemblies are located below the MBR membrane group 2, so that sewage in the MBR membrane tank 14 and the MBR membrane group 2 can be contacted with air as much as possible, and the MBR membrane group 2 can treat sewage as much as possible.
One end in the branch pipe 33 is sealed, and the other end is fixed and is provided with fixed plate 331, and fixed plate 331 and the sealed end fixed mounting of branch pipe have connecting rod 332, and fixed mounting has the flabellum group on the connecting rod 332, and the shower nozzle subassembly is located same vertical central line with the flabellum group, and one-to-one. The fan blade group comprises a hub 35 and fan blades 351, wherein the fan blades 351 are arranged on the hub 35, the hub 35 is rotatably arranged on a connecting rod 332, a bearing 34 is arranged between the hub 35 and the connecting rod 332, the hub 35 is fixedly arranged on the outer ring of the bearing 34, and the fan blades 351 are more favorably rotated under the drive of compressed air through the arrangement of the bearing 34. The branch pipe 33 is provided with a first through hole 301 at a position corresponding to the fan blade 351, and the nozzle assembly is communicated with the first through hole 301.
The shower nozzle subassembly includes first sleeve 6, second sleeve 61 and third sleeve 65, and first sleeve 6 installs and fixes on branch pipe 33 to communicate with first through-hole 301, fixed disk 62 is fixed to last fixed mounting of first sleeve 6, and second through-hole 622 has been seted up at the center of fixed disk 62, and second through-hole 622 endotheca has sliding column 63, and sliding column 63's upper end fixed mounting has stopper 631, through the installation of stopper 631, avoids sliding column 63 to break away from fixed disk 62. The fixed disk 62 is provided with a plurality of air injection holes 621, the diameter of the limiting block 631 is smaller than that of the fixed disk 62, and the diameter of the sliding column 63 is smaller than that of the first sleeve 6, so that the air injection holes 621 can be communicated with the first through holes 301 when the limiting block 631 abuts against the fixed disk 62. The first sleeve 6 is provided with a thread groove 601, the second sleeve 61 is fixedly provided with a thread post 611, and the second sleeve 61 is detachably arranged on the first sleeve 6 through the thread post 611 being screwed in the thread groove 601. The center of the top end of the second sleeve 61 is provided with a third through hole 612, a second sealing sleeve 613 is fixedly arranged on the inner wall of the third through hole 612, a third sealing sleeve 633 is fixedly arranged on the limiting block 631, and when the limiting block 631 is positioned in the third through hole 612, the second sealing sleeve 613 and the third sealing sleeve 633 are attached to each other, so that the limiting block 631 seals the third through hole 612, and water in the MBR membrane tank 14 is prevented from entering the second sleeve 61. External threads are formed on the outer wall of the top end of the second sleeve 61, corresponding internal threads are formed on the inner wall of the third sleeve 65, and the third sleeve 65 is in threaded connection with the internal threads through the external threads, so that the third sleeve 65 can be detachably mounted on the second sleeve 61. A plurality of micro holes 651 are formed in the top of the third sleeve 65, and a filter screen is formed by the plurality of micro holes 651, so that the third through holes 612 are prevented from being directly contacted with sewage, and a large amount of impurities and particles are prevented from entering the third through holes 612 and thus the branch pipes 33.
The thickness of the fan blade 351 is larger than the diameter of the first through hole 301, so that when the fan blade 351 abuts against the first through hole 301, the fan blade 351 can seal the first through hole 301. When the length dimension of the sliding column 63 is greater than the length of the first sleeve 6, and the fan blade 351 is not in contact with the first through hole 301, the first through hole 301 is penetrated out from the tail end of the sliding column 63, the limiting block 631 is separated from the third through hole 612, and the third through hole 612, the air injection hole 621 and the first through hole 301 are communicated, so that compressed gas can be injected to the micro holes 651, sewage is contacted with and forms a plurality of bubbles, and the contact area between the sewage and the gas in the MBR membrane tank 14 is increased. The positions of the blades 351 in the two adjacent blade groups are staggered and positioned in the same spiral period, when one blade 351 is abutted against the sliding column 63, the other sliding column 63 is just positioned in the middle of the two blades 351 in the other blade group, so that the two adjacent jet assemblies jet alternately, the water level difference formed by alternate jet is increased, the mixing and stirring effect between sewage and gas is increased, the fluidity of the sewage is increased, and organic matters in the sewage are decomposed into inorganic matters as much as possible, so that the inorganic matters are filtered by the MBR membrane group 2, the opportunity that the organic matters block the MBR membrane group 2 is reduced, the water purifying efficiency of the MBR membrane group 2 is improved, and the maintenance cost of the MBR membrane group 2 is reduced. The end of the sliding column 63 is provided with an inclined surface 632, so that the fan blade 351 can press and slide the sliding column 63.
In this embodiment, when in use, sewage sequentially passes through the pretreatment tank 11, the anaerobic tank 12, the aerobic tank 13 and the MBR membrane tank 14, and when the sewage passes through the pretreatment tank 11, the heavier impurities and solid particles in the sewage are primarily separated through the gradual sedimentation of the first inclined plate 112, the second inclined plate 113 and the third inclined plate 114, the turbidity of the sewage and the proportion of suspended matters and other impurities in the sewage are reduced, the pretreated sewage is treated by the anaerobic tank 12 and the aerobic tank 13, enters the MBR membrane tank 14 for further treatment, pressurized air is formed by the compressed air component when in aeration, the pressurized air passes through the air inlet pipe 31 and the main pipe 32 and then enters each branch pipe 33, the pressurized air firstly enters the branch pipe 33 to drive the first fan blade group to rotate, the initial position of the fan blade 351 in the first fan blade group is propped against the first through hole 301, the tail end of the sliding column 63 is abutted against the fan blade 351 of the first fan blade group, so that the limiting block 631 seals the third through hole 612, the first air injection assembly cannot inject air, the fan blade 351 in the adjacent fan blade group is just staggered with the sliding column 63, the limiting block 631 is separated from the third through hole 612, the first through hole 301, the air injection hole 621 and the third through hole 612 are communicated, so that pressurized air can be injected from the second air injection assembly, because the fan blade 351 in the first fan blade group and the fan blade 351 in the second fan blade group are staggered in position and positioned in the same spiral period, when the fan blade 351 in the first fan blade group is abutted against the sliding column 63, the fan blade 351 of the adjacent fan blade group is just separated from the sliding column 63, so that the adjacent two air injection assemblies alternately inject air, the contact area of air and sewage in the MBR membrane tank 14 is increased, the fluidity of sewage is increased, the organic matters in the sewage are decomposed into inorganic matters as much as possible, so that the inorganic matters are filtered by the MBR membrane group 2, the opportunity that the MBR membrane group 2 is blocked by the organic matters is reduced, the water purifying efficiency of the MBR membrane group 2 is improved, the maintenance cost of the MBR membrane group 2 is reduced, and the service life of the MBR membrane group 2 is prolonged.
The low-energy-consumption integrated MBR sewage treatment equipment provided by the invention is described in detail. The description of the specific embodiments is only intended to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a low energy consumption integration MBR sewage treatment device which characterized in that: comprises a shell, the pretreatment tank, the anaerobic tank, the aerobic tank, the MBR membrane tank and the equipment room are respectively divided into the pretreatment tank, the anaerobic tank, the MBR membrane tank and the equipment room, the pretreatment tank and the anaerobic tank are communicated through a first suction pump, the anaerobic tank and the aerobic tank are communicated through a first through groove, the aerobic tank and the MBR membrane tank are communicated through a second suction pump, a pretreatment mechanism is arranged in the pretreatment tank, biological filler frames are arranged in the anaerobic tank and the aerobic tank, an MBR membrane group and an aeration mechanism are arranged in the MBR membrane tank, a compressed air component is arranged in the equipment room, the compressed air component is communicated with the aeration mechanism, the aeration mechanism comprises an air inlet pipe, a main pipe, a plurality of branch pipes and a plurality of spray head components, one end of the air inlet pipe is connected with the compressed air component, the other end of the air inlet pipe is connected to the main pipe, the branch pipes are uniformly distributed and arranged on the main pipe, the spray head assemblies are uniformly arranged on the branch pipes, the branch pipes are uniformly distributed in the MBR membrane tanks, part of the spray head assemblies are positioned below the MBR membrane assemblies, one end in each branch pipe is sealed, the other end of each branch pipe is fixedly provided with a fixing plate, the fixing plates and the sealing ends of the branch pipes are fixedly provided with connecting rods, the connecting rods are provided with fan blade groups, the spray head assemblies and the fan blade groups are positioned on the same vertical central line and correspond to each other one by one, each fan blade group comprises a hub and fan blades, the fan blades are fixedly arranged on the hub, the hub is rotatably arranged on the connecting rods, a first through hole is formed in a position, corresponding to each fan blade, of each branch pipe, the spray head assemblies are communicated with the first through hole, the wall thickness of each fan blade is larger than the diameter of the first through hole, and the positions of the fan blades in two adjacent fan blade groups are staggered and are positioned in the same spiral period.
The shower nozzle subassembly includes first sleeve, second sleeve and third sleeve, first sleeve installs and fixes on the branch pipe to with first through-hole intercommunication, fixed mounting has the fixed disk on the first sleeve, the second through-hole has been seted up at the center of fixed disk, the slip post has been cup jointed in the second through-hole, the upper end fixed mounting of slip post has the stopper, a plurality of fumaroles have been seted up on the fixed disk, the diameter of stopper is less than the diameter of fixed disk, the diameter of slip post is less than the internal diameter of first sleeve, the length dimension of slip post is greater than the length of first sleeve, the screw thread groove has been seted up on the first sleeve, fixed mounting has the screw thread post on the second sleeve, the third through-hole has been seted up at the top center of second sleeve.
2. The low energy consumption integrated MBR sewage treatment device according to claim 1, wherein: the inner wall of the third through hole is fixedly provided with a second sealing sleeve, and the limiting block is fixedly provided with a third sealing sleeve.
3. The low energy consumption integrated MBR sewage treatment device according to claim 2, wherein: external threads are formed on the outer wall of the top end of the second sleeve, corresponding internal threads are formed on the inner wall of the third sleeve, and a plurality of micropores are formed at the top of the third sleeve.
4. A low energy consumption integrated MBR sewage treatment plant according to claim 3, characterized in that: and a bearing is arranged between the hub and the connecting rod, and the hub is fixedly arranged on the outer ring of the bearing.
5. The low energy consumption integrated MBR sewage treatment device according to claim 4, wherein: the tail end of the sliding column is an inclined plane.
6. The low energy consumption integrated MBR wastewater treatment device of claim 5, wherein: the pretreatment mechanism comprises a mounting shell, a first inclined plate, a second inclined plate and a third inclined plate, wherein a mounting groove is formed in one side of the mounting shell, a sealing plate is clamped in the mounting groove, a handle is fixedly arranged on the sealing plate, the first inclined plate is fixedly arranged on one side of the mounting shell, the second inclined plate is fixedly arranged on the other side of the mounting shell, a certain gap is reserved between the first inclined plate and the second inclined plate, the third inclined plate is fixedly arranged on the same side of the first inclined plate, and a certain gap is reserved between the third inclined plate and the second inclined plate.
7. The low energy consumption integrated MBR sewage treatment device according to claim 6, wherein: the first inclined plate is provided with a second through groove, the third inclined plate is provided with a third through groove, the second through groove and the third through groove are located on the same vertical central line, the second through groove is in a ladder shape, a first clamping plate is installed in the second through groove, a second clamping plate is installed in the third through groove, first lifting rods are installed on the first clamping plate and the second clamping plate, clamping pieces are fixedly installed below the third through groove on the first lifting rods, first blind holes and second blind holes are formed in the clamping pieces, a first spring and a first clamping column are installed in the first blind holes, one end of the first spring is fixedly connected to the bottom of the first blind holes, the other end of the first spring is fixedly connected to the first clamping column, the second blind holes are internally provided with second springs and second clamping columns, one ends of the second springs are fixedly connected to the bottom of the second blind holes, the other ends of the second springs are fixedly connected to the second clamping columns, first lifting rods are provided with the second blind holes, first springs are fixedly connected to the second lifting rods, first lifting rods are installed in the second blind holes, first lifting rods are fixedly connected to the second lifting rods, and the first clamping columns are fixedly connected to the second lifting rods, and are fixedly connected to the second lifting rods.
8. The low energy consumption integrated MBR wastewater treatment device of claim 7, wherein: and the first clamping plate and the third clamping plate are fixedly provided with first sealing sleeves.
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| JPH0660431U (en) * | 1993-02-01 | 1994-08-23 | 株式会社クボタ | Solid-liquid separation device |
| WO2009076911A1 (en) * | 2007-12-14 | 2009-06-25 | Beijing Ecojoy Water Technology Co., Ltd | A hollow fiber membrane module, a membrane biological reactor and a water-processing equipment use of it |
| CN205710086U (en) * | 2016-06-30 | 2016-11-23 | 齐延伟 | A kind of MBR integrated sewage treating apparatus |
| CN110156285A (en) * | 2019-04-30 | 2019-08-23 | 广州华功环保技术有限公司 | Anti-blocking aeration head |
| CN211078590U (en) * | 2019-08-29 | 2020-07-24 | 浙江聚源环保科技有限公司 | MBR membrane aerator, MBR membrane aeration device and MBR membrane sewage treatment equipment |
| CN110563131B (en) * | 2019-08-29 | 2024-06-14 | 浙江聚源环保科技有限公司 | MBR membrane aerator, MBR membrane aeration device and MBR membrane sewage treatment equipment |
| CN211367109U (en) * | 2019-09-25 | 2020-08-28 | 浙江联池水务设备股份有限公司 | Biological aerated filter |
| CN111039429B (en) * | 2019-12-25 | 2022-05-31 | 重庆尚泽源环保科技有限公司 | Sewage treatment is with preventing blockking up aeration head |
| CN111410312A (en) * | 2020-03-31 | 2020-07-14 | 深圳市慧大成智能科技有限公司 | Sewage treatment system and method based on facultative MBR (membrane bioreactor) membrane |
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