CN217838650U

CN217838650U - High-utilization-rate denitrification deep-bed filter with filler turning structure

Info

Publication number: CN217838650U
Application number: CN202221748017.1U
Authority: CN
Inventors: 康婷
Original assignee: Shangfeng Zhixing Tianjin Environment Co ltd
Current assignee: Shangfeng Zhixing Tianjin Environment Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-18
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a possesses high usage denitrification deep bed filtering pond that packs structure of stirring relates to sewage treatment denitrification filtration technology field, including deep bed filtering pond case, top surface one side of deep bed filtering pond case is provided with prefiltration pond, one side that the top surface of deep bed filtering pond case is located prefiltration pond is provided with the calandria groove, one side that prefiltration pond was kept away from to the calandria groove is provided with the filtering pond again, one side that the calandria groove was kept away from to the prefiltration pond is provided with blow-off groove and branch silo, the outside at the prefiltration pond of adoption is provided with control motor to the output of control motor is provided with the control pivot, the lateral wall of control pivot is provided with stirring vane, it is rotatory to drive the control pivot through control motor, and then stirring vane can stir the quartz sand in the prefiltration pond, the solid that quartz sand filtration held back can be washed repeatedly in cooperation mobile rivers and air current, can reduce the influence that the suspended solids caused to filtering, effectively promote the filter effect of the inside quartz sand of prefiltration pond.

Description

High-utilization-rate denitrification deep-bed filter with filler turning structure

Technical Field

The utility model relates to a sewage treatment denitrogenation filters technical field, especially relates to a possesses deep bed filtering pond of high utilization denitrification that packs the structure of stirring.

Background

The denitrification deep bed filter has a simple and practical structure, integrates multiple pollutant removal functions into one treatment unit, and has a good removal effect on suspended matters, TN and TP. The existing operation experience shows that the effluent quality BOD is less than 5mg/L, SS is less than 5mg/L, TN is less than 3mg/L and TP is less than 1mg/L under the condition of no need of chemical dosing dephosphorization. Under the condition of chemical phosphorus removal, the TP of effluent is less than 0.3mg/L, the deep bed nitrification filter tank adopts quartz sand with special specification and shape as a biofilm formation medium of denitrifying organisms, and simultaneously, the deep bed is an excellent structure for removing nitrate nitrogen (NO 3-N) and SS (suspended substances), during filtration, the nitrate nitrogen is converted into nitrogen gas through the action of a microbial membrane and is discharged, suspended substances are continuously intercepted, water head loss is increased, so that backwashing is needed to remove the intercepted solid substances, and the structure has the functions of nitrogen removal, phosphorus removal and suspended substance removal. The method is mainly used for upgrading and transforming the sewage treatment plant from primary B to primary A.

The denitrification deep bed filter comprises a filter material and a supporting layer, the filter material is homogeneous quartz sand, the supporting layer is formed by grading gravels with different specifications, the quartz sand is in a static state for a long time in use, in the filtering process, nitrate nitrogen is converted into nitrogen gas through the action of a microbial membrane and is discharged, solid suspended matters stay on the top surface of the quartz sand, and the stayed solid suspended matters are continuously intercepted to increase the head loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a denitrification deep bed filter with high utilization rate and a filler turning structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a possesses high usage denitrification deep bed filtering pond that packs structure of stirring, includes deep bed filtering pond case, deep bed filtering pond case's top surface one side is provided with prefiltration pond, one side that the top surface of deep bed filtering pond case is located prefiltration pond is provided with the calandria groove, one side that prefiltration pond was kept away from to the calandria groove is provided with the filtering ponds again, one side that the calandria groove was kept away from to the prefiltration pond is provided with blow-off groove and divides the silo, the outside of prefiltration pond is provided with control motor in advance, control motor's output is provided with the control pivot, the lateral wall of control pivot is provided with stirring vane, the inside department placed in the middle of prefiltration pond is provided with the aeration and divides the pipe, the top surface of aeration branch pipe is provided with the air guide person in charge.

Preferably, one side that the top surface of calandria groove is close to the prefiltration pond is provided with the reposition of redundant personnel case, the inside of calandria groove is close to bottom surface department and is provided with the honeycomb duct.

Preferably, a partition plate is arranged in the pre-filtering tank.

Preferably, a material distributing platform is arranged on one side, close to the material distributing groove, of the side portion of the deep-bed filter tank, and a drainage pipe is arranged on one side, close to the secondary filter tank, of the side portion of the deep-bed filter tank.

Preferably, the outer side of the pre-filtering tank is provided with a mounting bottom plate on the bottom surface of the control motor, and the mounting bottom plate is connected with the control motor.

Preferably, a connecting sleeve is arranged between the side wall of the control rotating shaft and the partition plate, and the control rotating shaft is movably connected with the connecting sleeve.

Preferably, gravel is arranged on the bottom surface of the pre-filtering tank, quartz sand is arranged on the top surface of the gravel, and the stirring blades are positioned in the quartz sand.

Advantageous effects

The utility model discloses in, be provided with the control motor in the outside of prefiltration pond to the output of control motor is provided with the control pivot, the lateral wall of control pivot is provided with stirring vane, it is rotatory to drive the control pivot through the control motor, and then stirring vane can stir the quartz sand in the prefiltration pond, the solid that quartz sand filtration was held back can be washed repeatedly to rivers and the air current that the cooperation is mobile, can reduce the influence that the suspended solid caused to filtering, effectively promote the filter effect of the inside quartz sand of prefiltration pond.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the top surface structure of the present invention;

fig. 3 is a schematic side view of the present invention.

Illustration of the drawings:

1. a deep bed filter tank; 2. then filtering the pond; 3. a pipe arranging groove; 4. a pre-filtration tank; 5. a partition plate; 6. a discharging groove; 7. a material distributing groove; 8. carrying out aeration pipe division; 9. an air guide main pipe; 10. controlling the motor; 11. mounting a bottom plate; 12. a material distribution table; 13. a control rotating shaft; 14. a stirring blade; 15. connecting sleeves; 16. a shunt box; 17. a flow guide pipe; 18. and a drainage pipe.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the best embodiment. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The specific embodiment is as follows:

referring to fig. 1-3, a high-utilization-rate denitrification deep-bed filter with a filler turning structure comprises a deep-bed filter tank 1, a prefilter tank 4 is arranged on one side of the top surface of the deep-bed filter tank 1, a discharge pipe tank 3 is arranged on one side of the top surface of the deep-bed filter tank 1, a refilter tank 2 is arranged on one side of the discharge pipe tank 3, which is far away from the prefilter tank 4, a discharge tank 6 and a distributing tank 7 are arranged on one side of the prefilter tank 4, which is far away from the discharge pipe tank 3, the deep-bed filter tank can be used as a carbon source for denitrification to be fed through the discharge tank 6 and the distributing tank 7, the deep-bed filter tank is usually designed to be sodium acetate or acetic acid, the feeding amount of the carbon source is controlled according to the amount of nitrogen nitrate entering the deep-bed filter tank, a control motor 10 is arranged on the outer side of the prefilter tank 4, a control rotating shaft 13 is arranged at the output end of the control motor 10, stirring blades 14 are arranged on the side wall of the control rotating shaft 13, and the stirring blades 14 are distributed on both sides of the control rotating shaft 13 in a staggered manner, can promote the stirring effect of the stirring blades 14, an aeration branch pipe 8 is arranged in the middle of the interior of the pre-filtering tank 4, an air guide main pipe 9 is arranged on the top surface of the aeration branch pipe 8, nitrate nitrogen can be effectively washed by an air-water combined washing mode to be converted into solid suspended matters generated when nitrogen is discharged through the action of a microbial film, the washing effect is promoted, a diversion box 16 is arranged on one side, close to the pre-filtering tank 4, of the top surface of the pipe discharge groove 3, a diversion pipe 17 is arranged on the position, close to the bottom surface, of the interior of the pipe discharge groove 3, a partition plate 5 is arranged in the interior of the pre-filtering tank 4, the partition plate 5 is composed of filter bricks, the filter bricks have the anti-blocking effect, a material distribution table 12 is arranged on one side, close to the material distribution groove 7, of the lateral part of the deep bed filtering tank 1, a discharge pipe 18 is arranged on one side, close to the re-filtering tank 2, the outer side of the pre-filtering tank 4 is provided with an installation bottom plate 11 on the bottom surface of a control motor 10, the installation bottom plate 11 is connected with the control motor 10, a control rotating shaft 13 is in sealing treatment with the side wall of the pre-filtering tank 4, a control rotating shaft 13 is in sealing treatment with a partition plate, a connecting sleeve 15 is arranged between the side wall of the control rotating shaft 13 and the partition plate 5, the control rotating shaft 13 is movably connected with the connecting sleeve 15, gravel is arranged on the bottom surface of the pre-filtering tank 4, quartz sand is arranged on the top surface of the gravel, a stirring blade 14 is arranged in the quartz sand, the control motor 10 is arranged on the outer side of the pre-filtering tank 4, the output end of the control motor 10 is provided with the control rotating shaft 13, the side wall of the control rotating shaft 13 is provided with the stirring blade 14, the control rotating shaft 13 is driven to rotate by the control motor 10, the stirring blade 14 can stir the quartz sand in the pre-filtering tank 4, solid substances intercepted by the quartz sand can be washed repeatedly by matching flowing water flow and air flow, the influence of the suspended solid substances on filtering can be reduced, and the filtering effect of the quartz sand in the pre-filtering tank 4 can be effectively improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a possess deep bed filtering pond of high utilization denitrification that packs structure of turnning, includes deep bed filtering pond case (1), its characterized in that: the deep bed filtering pond is characterized in that a pre-filtering pond (4) is arranged on one side of the top surface of a deep bed filtering pond box (1), a pipe discharging groove (3) is formed in one side, located on the pre-filtering pond (4), of the top surface of the deep bed filtering pond box (1), a re-filtering pond (2) is arranged on one side, located on the pre-filtering pond (4), of the pipe discharging groove (3), a material discharging groove (6) and a material distributing groove (7) are formed in one side, located on the far side of the pre-filtering pond (4), a control motor (10) is arranged on the outer side of the pre-filtering pond (4), an output end of the control motor (10) is provided with a control rotating shaft (13), a stirring blade (14) is arranged on the side wall of the control rotating shaft (13), an aeration branch pipe (8) is arranged in the middle of the interior of the pre-filtering pond (4), and an air guide pipe (9) is arranged on the top surface of the aeration branch pipe (8).

2. The high-utilization-rate denitrification deep-bed filter with the filler turning structure as claimed in claim 1, wherein: one side of the top surface of the pipe discharging groove (3) close to the pre-filtering tank (4) is provided with a flow distribution box (16), and a flow guide pipe (17) is arranged in the pipe discharging groove (3) close to the bottom surface.

3. The high-utilization-rate denitrification deep-bed filter with the filler turning structure as claimed in claim 1, wherein: and a partition plate (5) is arranged in the pre-filtering tank (4).

4. The high-utilization-rate denitrification deep-bed filter with the filler turning structure as claimed in claim 1, wherein: a material distributing platform (12) is arranged on one side, close to the material distributing groove (7), of the lateral portion of the deep-bed filter tank (1), and a drainage pipe (18) is arranged on one side, close to the secondary filter tank (2), of the lateral portion of the deep-bed filter tank (1).

5. The high-utilization-rate denitrification deep-bed filter with a filler turning structure as claimed in claim 1, wherein: and a mounting bottom plate (11) is arranged on the bottom surface of the control motor (10) on the outer side of the pre-filtering tank (4), and the mounting bottom plate (11) is connected with the control motor (10).

6. The high-utilization-rate denitrification deep-bed filter with the filler turning structure as claimed in claim 1, wherein: a connecting sleeve (15) is arranged between the side wall of the control rotating shaft (13) and the partition plate (5), and the control rotating shaft (13) is movably connected with the connecting sleeve (15).

7. The high-utilization-rate denitrification deep-bed filter with a filler turning structure as claimed in claim 1, wherein: gravel is arranged on the bottom surface of the pre-filtering tank (4), quartz sand is arranged on the top surface of the gravel, and the stirring blades (14) are positioned in the quartz sand.