CN219010065U

CN219010065U - MBBR sewage treatment device for high-efficiency denitrification and dephosphorization of domestic sewage

Info

Publication number: CN219010065U
Application number: CN202221215477.8U
Authority: CN
Inventors: 周今嵩; 周玉琼; 周丽娜; 朱珍荣; 熊斌
Original assignee: Jiangxi Lvqinglan Ecological Environment Construction Co ltd
Current assignee: Jiangxi Lvqinglan Ecological Environment Construction Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-05-12
Anticipated expiration: 2032-05-20

Abstract

The utility model provides MBBR sewage treatment equipment for high-efficiency nitrogen and phosphorus removal for domestic sewage, which relates to the field of domestic sewage treatment and comprises a treatment tank, wherein the treatment tank comprises a pretreatment area, a nitrogen and phosphorus removal area and an MBR treatment area, a partition board is arranged in an array in the treatment tank, one side of the treatment tank is penetrated with a liquid inlet, a filter plate is arranged in the pretreatment area, the filter plate is mutually attached to the inner wall of the pretreatment area, a filter hole is formed in the top surface array of the filter plate, a positioning plate is connected with the top surface of the treatment tank through bolts, a connecting base is arranged on the bottom surface of the pretreatment area, a screw rod is arranged between the connecting base and the positioning plate, sewage and sundries are effectively separated before the treatment of the domestic sewage, the effect of subsequent nitrogen and phosphorus removal is improved, the filtered sewage automatically flows into the nitrogen and phosphorus removal area, the cost is saved, and the recovery of sundries by later workers is facilitated.

Description

MBBR sewage treatment device for high-efficiency denitrification and dephosphorization of domestic sewage

Technical Field

The utility model relates to the technical field of domestic sewage treatment, in particular to MBBR sewage treatment equipment for high-efficiency denitrification and dephosphorization of domestic sewage.

Background

The MBBR sewage treatment is a novel efficient sewage treatment method, and the carrier is in a fluidized state by virtue of aeration in an aeration tank and lifting action of water flow, so that activated sludge growing in a suspended mode and a biofilm growing in an attached mode are formed, the moving bed biofilm uses the whole reactor space, the superiority of both attached phase and suspended phase organisms is fully exerted, and unlike the conventional filler, the suspended filler can be frequently contacted with sewage for multiple times, so that the moving biofilm is called.

According to patent number CN202023184058.6, a MBBR sewage treatment plant of high-efficient nitrogen and phosphorus removal for municipal sewage, including the treatment tank, the inside fixed mounting of treatment tank has the reaction tank, the top fixed mounting of reaction tank has the flitch of throwing, the stock chest has been seted up at the top of throwing the flitch, the movable groove has been seted up to the inside of throwing the flitch, the equal fixedly connected with spring in the left and right sides of movable inslot diapire, two the top fixedly connected with connecting plate of spring. This urban sewage uses MBBR sewage treatment plant of high-efficient nitrogen and phosphorus removal through starting two electric putter, makes the promotion connecting plate downwardly moving, drives each toper shutoff piece on the connecting plate and downwardly moving, makes the filler in each stock chest roll out from the gap, makes each regional sewage evenly throw in the filler to reduce the difference of each regional sewage purification rate that causes because of filler quantity is different, and then make sewage's treatment efficiency improve.

The MBBR sewage treatment equipment of the above patent cannot effectively filter impurities in sewage before sewage treatment, so that the subsequent sewage denitrification and dephosphorization effects are general, and the operation of workers is inconvenient when the impurities in sewage are recovered.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides MBBR sewage treatment equipment for high-efficiency denitrification and dephosphorization for domestic sewage.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a MBBR sewage treatment device of high-efficient nitrogen and phosphorus removal for sewage, includes the treatment pond, the treatment pond includes pretreatment area, nitrogen and phosphorus removal district and MBR treatment area, the inside array of treatment pond is equipped with the baffle, it has the inlet to run through in treatment pond one side, the inside filter plate that is equipped with in pretreatment area, and the filter plate is laminated each other with the inner wall in pretreatment area, the filtration pore has been seted up to the top surface array of filter plate, the top surface bolted connection of treatment pond has the locating plate, the pretreatment area bottom surface is equipped with the connection base, be equipped with the lead screw between connection base and the locating plate.

Preferably, the inner wall array of the treatment tank is provided with a mounting groove, the mounting groove is trapezoid, and two ends of the partition plate are mutually clamped with the mounting groove.

Preferably, the side surface of the partition plate at the head end is penetrated with a liquid outlet, and the positions of the liquid outlet and the liquid inlet are staggered.

Preferably, the connecting base is connected with the bottom surface of the treatment tank through bolts, and the through holes in the bottom surface of the connecting base are internally connected with plugs through threads.

Preferably, a limiting rod is arranged on the bottom surface of the positioning plate, and the filter plates are respectively sleeved on the surfaces of the screw rod and the limiting rod.

Preferably, a motor is installed on the top surface of the positioning plate, bevel gears are respectively arranged on the rotating end of the motor and the surface of the screw rod, and the two bevel gears are meshed with each other.

Advantageous effects

According to the utility model, when domestic sewage treatment is required, the motor is started, the bevel gear at the rotating end of the motor is meshed with the bevel gear on the surface of the screw rod, the motor can drive the screw rod to rotate, the filter plate is sleeved on the surfaces of the screw rod and the limiting rod respectively, the screw rod rotates to enable the filter plate to lift, the position of the filter plate is adjusted to be between the liquid outlet and the liquid inlet, sewage is sent into the pretreatment area through the liquid inlet, along with the increase of the sewage, part of the sewage is positioned above the filter plate, the sewage can be separated from impurities through the filtering holes on the top surface of the filter plate, the filtered sewage is positioned on the top surface of the filter plate, the filtered sewage is discharged to the denitrification and dephosphorization area through the liquid outlet on the partition plate at the head end to treat the sewage, the filtered sewage automatically flows into the denitrification and dephosphorization area, and when sundries are required to be cleaned, the plug can be opened or the connection base is disassembled to recover sundries, so that the sewage and sundries are effectively separated before the domestic sewage treatment, the subsequent denitrification and dephosphorization effects are improved, the filtered sewage automatically flows into the denitrification and dephosphorization area, the cost is saved, and the sundries are convenient for workers at the later stage.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a perspective view of the present utility model;

FIG. 3 is a side view of the present utility model;

fig. 4 is an exploded view of the present utility model.

Legend description:

1. a treatment pool; 101. a denitrification and dephosphorization zone; 102. a pretreatment zone; 103. an MBR treatment zone; 2. a liquid inlet; 3. a liquid outlet; 4. a mounting groove; 5. a partition plate; 6. the base is connected; 7. a plug; 8. a positioning plate; 9. a screw rod; 10. a limit rod; 11. a filter plate; 12. a filter hole; 13. a motor; 14. bevel gears.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Specific examples:

referring to fig. 1 to 4, an MBBR sewage treatment apparatus for efficient denitrification and dephosphorization of domestic sewage, comprising a treatment tank 1, characterized in that: the treatment tank 1 comprises a pretreatment area 102, a denitrification and dephosphorization area 101 and an MBR treatment area 103, a baffle 5 is arranged in the treatment tank 1, a mounting groove 4 is arranged in the inner wall array of the treatment tank 1, the mounting groove 4 is trapezoidal, two ends of the baffle 5 are mutually clamped with the mounting groove 4, the pretreatment area 102, the denitrification and dephosphorization area 101 and the MBR treatment area 103 are separated by the baffle 5 from different treatment areas, the mounting groove 4 is arranged in the inner wall of the treatment tank 1, the mounting groove 4 is trapezoidal, two ends of the baffle 5 are mutually clamped with the mounting groove 4, the baffle 5 is arranged in the treatment tank 1, the number of the baffle 5 and the mounting groove 4 can be increased according to the situation, one side of the treatment tank 1 is penetrated with a liquid inlet 2, the side surface of the baffle 5 at the head end is penetrated with a liquid outlet 3, the positions of the liquid outlet 3 and the liquid inlet 2 are mutually staggered, filter plates 11 are arranged in the pretreatment area 102, the filter plates 11 are mutually adhered with the inner walls of the pretreatment area 102, the top surface array of the filter plate 11 is provided with the filter holes 12, sewage can be separated from impurities through the filter holes 12 on the top surface of the filter plate 11, the filtered sewage is positioned on the top surface of the filter plate 11, the filtered sewage is discharged to the denitrification and dephosphorization area 101 through the liquid outlet 3 on the head end partition plate 5 to treat the sewage, the filtered sewage automatically flows into the denitrification and dephosphorization area without adding a pump body, the cost is saved, the effect of denitrification and dephosphorization of the sewage is greatly improved, the sewage after denitrification and dephosphorization enters the MBR treatment area 103 to treat the sewage through the MBR treatment system and finally discharge and recycle, the top surface of the treatment tank 1 is connected with the positioning plate 8 through bolts, the bottom surface of the pretreatment area 102 is provided with the connecting base 6, the screw rod 9 is arranged between the connecting base 6 and the positioning plate 8, the bottom surface of the positioning plate 8 is provided with the limit rod 10, the filter plate 11 is respectively sleeved on the surfaces of the screw rod 9 and the limit rod 10, the motor 13 is installed to the top surface of locating plate 8, the surface of motor 13's rotation end and lead screw 9 is equipped with bevel gear 14 respectively, two bevel gears 14 intermesh, start motor 13 when needs are handled domestic sewage, the bevel gear 14 of motor 13 rotation end and the bevel gear 14 intermesh on lead screw 9 surface, motor 13 work can drive lead screw 9 and rotate, filter plate 11 cup joints the surface at lead screw 9 and gag lever post 10 respectively, lead screw 9 rotates and makes filter plate 11 go up and down, adjust the position of filter plate 11 to between liquid outlet 3 and inlet 2, send sewage into pretreatment area 102 through inlet 2, along with the increase of sewage, make partial sewage be located the top of filter plate 11, connect base 6 and treatment pond 1 bottom surface bolted connection, connect the through-hole internal thread connection of base 6 bottom surface to have stopper 7, take out the stopper 7 of connection base 6 when needs are retrieved the debris of pretreatment area 102, can be with debris quick follow the through-hole discharge of connection base 6 bottom surface through the extrusion filter plate 11, also can take out the bolt of connection base 6 and dismantle connection base 6, carry out debris recovery on connection base 6.

The working principle of the utility model is as follows: the inside of the treatment tank 1 is divided into a pretreatment area 102, a denitrification and dephosphorization area 101 and an MBR treatment area 103, different treatment areas are separated by using a baffle plate 5, the inner wall of the treatment tank 1 is provided with an installation groove 4, the installation groove 4 is trapezoid, two ends of the baffle plate 5 are mutually clamped with the installation groove 4, the baffle plate 5 is installed inside the treatment tank 1, the number of the baffle plate 5 and the installation groove 4 can be increased according to the situation, a motor 13 is started when domestic sewage treatment is needed, a bevel gear 14 at the rotating end of the motor 13 is meshed with a bevel gear 14 on the surface of a screw rod 9, the motor 13 can drive the screw rod 9 to rotate, a filter plate 11 is respectively sleeved on the surfaces of the screw rod 9 and a limiting rod 10, the screw rod 9 rotates to enable the filter plate 11 to lift, the position of the filter plate 11 is adjusted between a liquid outlet 3 and a liquid inlet 2, sewage is sent into the pretreatment area 102 through the liquid inlet 2, and part of sewage is located above the filter plate 11 along with the increase of the sewage, the sewage can be separated from impurities through the filtering holes 12 on the top surface of the filter plate 11, the filtered sewage is positioned on the top surface of the filter plate 11, the filtered sewage is discharged to the denitrification and dephosphorization area 101 through the liquid outlet 3 on the head end partition plate 5 to treat the sewage, the filtered sewage automatically flows into the denitrification and dephosphorization area without adding a pump body, the cost is saved, the denitrification and dephosphorization effect of the sewage is greatly improved, the denitrification and dephosphorization sewage enters the MBR treatment area 103 to treat the sewage through the MBR treatment system to be finally discharged and recovered, the plug 7 of the connecting base 6 is taken out when the impurities in the pretreatment area 102 are required to be recovered, the impurities can be rapidly discharged from the through hole on the bottom surface of the connecting base 6 through the extrusion of the filter plate 11, the bolts connected with the base 6 can be taken out to detach the connecting base 6, the sundries on the connecting base 6 are recovered.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. MBBR sewage treatment device for high-efficient nitrogen and phosphorus removal of domestic sewage, including treatment tank (1), its characterized in that: the treatment tank (1) comprises a pretreatment area (102), a denitrification and dephosphorization area (101) and an MBR treatment area (103), a partition plate (5) is arranged on the inner array of the treatment tank (1), a liquid inlet (2) is formed in one side of the treatment tank (1) in a penetrating mode, a filter plate (11) is arranged in the pretreatment area (102), the filter plate (11) is attached to the inner wall of the pretreatment area (102), a filter hole (12) is formed in the top surface array of the filter plate (11), a positioning plate (8) is connected to the top surface of the treatment tank (1) through bolts, a connecting base (6) is arranged on the bottom surface of the pretreatment area (102), and a screw rod (9) is arranged between the connecting base (6) and the positioning plate (8).

2. The MBBR sewage treatment apparatus of claim 1, wherein: the inner wall array of the treatment tank (1) is provided with mounting grooves (4), the mounting grooves (4) are trapezoid, and two ends of the partition plate (5) are mutually clamped with the mounting grooves (4).

3. The MBBR sewage treatment apparatus of claim 1, wherein: the side surface of the partition board (5) at the head end is penetrated with a liquid outlet (3), and the positions of the liquid outlet (3) and the liquid inlet (2) are staggered.

4. The MBBR sewage treatment apparatus of claim 1, wherein: the connecting base (6) is connected with the bottom surface of the treatment tank (1) through bolts, and a plug (7) is connected with the through hole on the bottom surface of the connecting base (6) through internal threads.

5. The MBBR sewage treatment apparatus of claim 1, wherein: the bottom surface of locating plate (8) is equipped with gag lever post (10), and filter plate (11) cup joints in the surface of lead screw (9) and gag lever post (10) respectively.

6. The MBBR sewage treatment apparatus of claim 1, wherein: the motor (13) is installed on the top surface of the locating plate (8), bevel gears (14) are respectively arranged on the rotating end of the motor (13) and the surface of the screw rod (9), and the two bevel gears (14) are meshed with each other.