CN214611767U

CN214611767U - Integrated denitrification filter

Info

Publication number: CN214611767U
Application number: CN202120224718.4U
Authority: CN
Inventors: 薛峰; 张万里; 景帅
Original assignee: Wuxi Municipal Design Institute Co Ltd
Current assignee: Huaxin Design Group Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-05
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an integral type denitrification filtering pond belongs to sewage advanced treatment technical field. The filter comprises a filter body, wherein a water inlet stirring area is arranged in the middle of the top of the filter body, a blower room is arranged on the left side of the water inlet stirring area, and an electrical equipment room is arranged on the right side of the water inlet stirring area; the lower part of the filter body is provided with a pipe gallery; a clean water tank is arranged on the left side of the filter tank main body; a wastewater tank is arranged on the right side of the filter tank main body; the filter body is internally provided with single-lattice filters which are longitudinally arranged. The utility model discloses a structural arrangement is compact, and process flow reasonable in design is particularly useful for the sewage treatment plant that the place is restricted, through building main part function denitrification filtering pond and supplementary structures jointly, saves area greatly, alleviates land used pressure, improves the convenience that intensive and daily patrolling and examining of arranging of water treatment process system.

Description

Integrated denitrification filter

Technical Field

The utility model relates to an integral type denitrification filtering pond belongs to sewage advanced treatment technical field.

Background

The denitrification filter can degrade Total Nitrogen (TN) and suspended matters (SS) in sewage, and is widely applied to sewage treatment. The traditional denitrification filter tank is generally mainly a filter tank, auxiliary structures comprise a backwashing blower fan room, a wastewater tank, a clean water tank, a power distribution room and the like, and an overrunning valve and a valve well are arranged on a process pipeline in a plant area, so that water can be overtaken to a next-level structure when an accident occurs. However, the distributed arrangement has various structures, long construction period and large occupation of land resources, and the main functional area and the auxiliary functional area are too dispersed, which is not beneficial to on-site operation inspection and daily maintenance.

SUMMERY OF THE UTILITY MODEL

[ problem ] to

The utility model discloses the problem that solves is: the existing denitrification filter has dispersed structure, complex construction, long construction period and large occupation of land resources.

[ solution ]

The utility model provides an integral type denitrification filtering pond is applicable to the processing to sewage, and this filtering pond jointly builds main part function structures and auxiliary function structures, and area is little, and construction period is short, greatly reduced construction cost, improved the intensive and daily convenience of patrolling and examining of arranging of sewage treatment process systems.

The integrated denitrification filter comprises a filter body, wherein a water inlet stirring area is arranged in the middle of the top of the filter body, a blower room is arranged on the left side of the water inlet stirring area, and an electrical equipment room is arranged on the right side of the water inlet stirring area; the lower part of the filter body is provided with a pipe gallery; a clean water tank is arranged on the left side of the filter tank main body; a wastewater tank is arranged on the right side of the filter tank main body; the filter body is internally provided with single-lattice filters which are longitudinally arranged.

The utility model discloses an in an embodiment, the single check filtering pond includes filtering pond bottom gas distribution structure, filtering pond bottom water distribution structure, the main canal of intaking, the lateral canal and the filter material of intaking.

The utility model discloses an in an embodiment, the inlet lateral canal below is provided with the waste water house steward, is equipped with the waste water branch pipe on the waste water house steward, and the waste water house steward passes through the waste water branch pipe and is connected with the inlet lateral canal.

The utility model discloses an in an embodiment, the inside pipe that surmounts that is equipped with of main canal of intaking, external connection have main canal of intaking blow-down pipe.

In an embodiment of the present invention, a stirrer is disposed in the water inlet stirring area.

The utility model discloses an in an embodiment, be equipped with backwash fan and air compressor machine system in the air-blower room.

The utility model discloses an in the embodiment, be equipped with the regulator cubicle in the electrical equipment room, be provided with partition wall and back flush water pump in the clean water basin, clean water basin upper end intercommunication has the outlet pipe, be equipped with the wastewater discharge pump in the wastewater disposal basin.

In an embodiment of the present invention, the pipe gallery comprises a water outlet channel, a water outlet pipe, a backwash air transverse pipe, a vent pipe and a backwash header pipe.

The utility model discloses an in an embodiment, the left side port and the clean water basin intercommunication of outlet channel, the right side port of blow-down pipe stretches out outside between the piping lane.

In an embodiment of the present invention, the lower end of the back washing header pipe extends to the outlet of the back washing water pump, and the upper end of the back washing header pipe is connected to the emptying pipe.

[ advantageous effects ]

1. The utility model discloses a structural arrangement is compact, and process flow reasonable in design is particularly useful for the sewage treatment plant that the place is restricted, through building main part function denitrification filtering pond and supplementary structures jointly, saves area greatly, alleviates land used pressure, improves the convenience that intensive and daily patrolling and examining of arranging of water treatment process system.

2. The utility model discloses with the clean water basin setting in filtering pond main part left side, with the wastewater disposal basin setting on filtering pond main part right side, the adoption is the wall structure altogether, and the water after the filtering pond is handled directly carries to the clean water basin through the outlet canal, and the water after the filtering pond is reversed is directly carried to the wastewater disposal basin through the total sewer, has reduced the length of connecting tube, has shortened the water conservancy flow, has reduced the water loss.

3. The utility model discloses with the left and right sides that sets up in the stirring district of intaking between air blower room and electrical equipment, make full use of has set up in the air blower room originally idle space, and the backwash air-blower sets up nearby in the air blower room, and the backwash wind can reach the bottom gas distribution system in the filtering pond in 5s, has reduced the reaction time of filtering pond backwash greatly, and the switch board is arranged to the intensification between electrical equipment, has reduced cable line's the length of laying, greatly reduced the cost.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of B in fig. 1.

FIG. 3 is a sectional view taken along line A-A in FIG. 1.

In the figure, 1, a clean water tank; 2. a blower room; 3. an electric equipment room; 4. a wastewater tank; 5. a filter body; 6. among the pipe galleries; 7. a water inlet stirring area; 8. a phosphorus removal agent zone; 9. a sludge zone; 10. a water outlet area; 11. a partition wall; 12. backwashing the water pump; 13. a water outlet pipe; 21. an air compressor system; 22. backwashing the fan; 31. an electrical cabinet; 42. a wastewater discharge pump; 51. a filter bottom gas distribution structure 52, a filter bottom water distribution structure 53 and a water inlet main channel; 531. a overrunning tube; 532. a water inlet main channel emptying pipe; 54. a water inlet branch channel; 55. a main wastewater pipe; 551. a waste water branch pipe; 56. filtering the material; 57. a single-lattice filter chamber; 61. a water outlet channel; 62. a water outlet pipe of the single-lattice filter; 63. backwashing the air transverse pipe; 64. an emptying pipe; 65. a backwash pipe; 71. a stirrer.

Detailed Description

To achieve the above objects, features and advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, the present invention will be described in detail with reference to the accompanying drawings.

Example 1

An integrated denitrification filter device comprises a filter body 5, wherein a water inlet stirring area 7 is arranged in the middle of the top of the filter body 5, a blower room 2 is arranged on the left side of the water inlet stirring area 7, and an electrical equipment room 3 is arranged on the right side of the water inlet stirring area 7; the lower part of the filter main body 5 is provided with a pipe gallery 6; a clean water tank 1 is arranged on the left side of the filter tank main body 5; and a wastewater tank 4 is arranged on the right side of the filter tank main body 5.

A plurality of longitudinally arranged single-lattice filter chambers 57 are arranged in the filter chamber main body 5. As shown in FIG. 3, the single-cell filter 57 comprises a filter bottom air distribution structure 51, a filter bottom water distribution structure 52, a main water inlet channel 53, a branch water inlet channel 54 and filter materials 56. A waste water main pipe 55 is arranged below the water inlet branch channel 54, and a waste water branch pipe 551 on the waste water main pipe 55 is connected with the water inlet branch channel 54. As shown in fig. 1, the main water inlet channel 53 is provided with an override pipe 531 inside, and as shown in fig. 2 or 3, the main water inlet channel 53 is externally connected with a main water inlet channel vent pipe 532.

As shown in fig. 1, a stirrer 71 is arranged in the water inlet stirring area 7, a plurality of backwashing fans 22 are arranged in the air blowing room 2, the outlet of each backwashing fan 22 is connected with one end of a backwashing air transverse pipe 63, the other end of the backwashing air transverse pipe 63 extends into the pipe gallery 6, an air compressor system 21 is arranged in the air blowing room 2, and the air compressor system is connected with all pneumatic valves of the whole filter tank through compressed air pipelines. A plurality of electrical cabinets 31 arranged side by side are arranged in the electrical equipment room 3 and used for distributing power to the electrical equipment of the whole filter tank. A partition wall 11 and a back flush water pump 12 are arranged in the clean water tank 1, and the upper end of the clean water tank 1 is communicated with a water outlet pipe 13. And a wastewater discharge pump 42 is arranged in the wastewater tank 4 and used for discharging the treated wastewater.

As shown in fig. 1 or 3, the tube gallery 6 includes an outlet channel 61, an outlet tube 62, a backwash air cross tube 63, a vent tube 64 and a backwash manifold 65. As shown in fig. 1, the left port of the water outlet channel 61 is communicated with the clean water tank 1, and the water outlet channel 61 is communicated with the water outlet pipe 62 of the single-cell filter; the lower end of the back flush header pipe 65 extends to the outlet of the back flush water pump 12, the upper end of the back flush header pipe is connected with the vent pipe 64, and the right side port of the vent pipe 64 extends to a sewage pipeline outside the pipe gallery 6.

The utility model discloses a working process: after sewage enters the water inlet stirring area 7, a carbon source medicament is added into the water inlet stirring area 7 through an externally introduced dosing pipeline, the retention time of the general stirring area is set to be 1min, the sewage after being fully stirred by the stirrer 71 enters the water inlet main channel 53 and then enters the single-lattice filter pool 57 through the gate hole on the water inlet branch channel 54, and the filter material 56 is filled in the single-lattice filter pool 57. Many denitrifying bacteria are attached to the filter material 56 through culture, and the denitrifying bacteria divide nitrate nitrogen in water into nitrogen in the process that water flows through the filter material 56, so that denitrification is completed. The purified water after denitrification is conveyed to the water outlet pipe 62 of the single-cell filter through the water distribution structure 52 at the bottom of the filter and then to the water outlet channel 61, the water in the water outlet channel 61 flows into the clean water tank 1, and the clean water tank 1 finishes water outlet through the water outlet pipe 13.

After the filtering material 56 is filtered for a period of time, backwashing is required to prevent the filtering material 56 from hardening and affecting the denitrification filtering effect. Before backwashing again, the inlet lateral 54 gate is closed and one of the single cell filters 57 stops feeding. Air backwashing is firstly carried out, at the moment, the backwashing fan 22 is opened, air is input into the air distribution structure 58 at the bottom of the filter tank through the backwashing air transverse pipe 63, the filter material 56 is jacked and washed by air flow, and water washing is carried out after the air washing is finished. At this time, the backwashing water pump 12 is turned on, the backwashing water pump 12 pumps water from the clean water tank 1, the filtered water is conveyed to the bottom of the filter tank through the water distribution structure 52 at the bottom of the filter tank by the backwashing pipe 65, the filter material 56 is backwashed by water flow, the valve on the waste water branch pipe 551 is opened during backwashing, the backwashed waste water is discharged to the waste water tank 4 by the waste water main pipe 55, and the waste water is discharged to the waste water pipeline outside the plant by the waste water discharge pump 42 in the waste water tank 4. At this point, the backwash process is complete.

When the whole filter chamber needs to be overhauled, the gates of the water inlet branch channels 54 are completely closed, the valves on the water inlet main channel emptying pipes 532 are opened, the incoming water directly enters the clean water tank 1 after passing through the water inlet main channel 53, the water is discharged through the water outlet pipe 13 of the clean water tank 1, and the whole filter chamber can be overhauled at the moment without water cut-off of the whole plant.

The protection scope of the present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements that can be made by a person skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The integrated denitrification filter is characterized by comprising a filter body (5), wherein a water inlet stirring area (7) is arranged at the top of the filter body (5), a blower room (2) is arranged on the left side of the water inlet stirring area (7), and an electrical equipment room (3) is arranged on the right side of the water inlet stirring area (7); the lower part of the filter tank main body (5) is provided with a pipe gallery (6); a clean water tank (1) is arranged on the left side of the filter tank main body (5); a wastewater tank (4) is arranged on the right side of the filter tank main body (5); the filter body (5) is internally provided with single-lattice filters (57) which are longitudinally arranged.

2. The integrated denitrification filter according to claim 1, wherein the single-lattice filter (57) comprises a filter bottom air distribution structure (51), a filter bottom water distribution structure (52), a main water inlet channel (53), branch water inlet channels (54) and filter materials (56).

3. The integrated denitrification filter according to claim 2, wherein a waste water main pipe (55) is arranged below the water inlet branch channel (54), a waste water branch pipe (551) is arranged on the waste water main pipe (55), and the waste water main pipe (55) is connected with the water inlet branch channel (54) through the waste water branch pipe (551).

4. The integrated denitrification filter according to claim 2, wherein the main water inlet channel (53) is internally provided with an overrunning pipe (531), and is externally connected with a main water inlet channel emptying pipe (532).

5. The integrated denitrification filter according to claim 1, wherein an agitator (71) is arranged in the water inlet agitation zone (7).

6. The integrated denitrification filter tank according to claim 1, wherein a backwashing fan (22) and an air compressor system (21) are arranged in the blower room (2).

7. The integrated denitrification filter tank according to claim 1, wherein an electrical cabinet (31) is arranged in the electrical equipment room (3), a partition wall (11) and a backwashing water pump (12) are arranged in the clean water tank (1), the upper end of the clean water tank (1) is communicated with a water outlet pipe (13), and a wastewater discharge pump (42) is arranged in the wastewater tank (4).

8. The integrated denitrification filter according to claim 7, wherein the tube gallery space (6) comprises an outlet channel (61), a single-cell filter outlet tube (62), a backwash air transverse tube (63), a blow-down tube (64) and a backwash header tube (65).

9. The integrated denitrification filter according to claim 8, wherein the left port of the water outlet channel (61) is communicated with the clean water tank (1), and the right port of the emptying pipe (64) extends out of the pipe gallery (6).

10. The integrated denitrification filter according to claim 8, wherein the lower end of the backwashing header pipe (65) extends to the outlet of the backwashing water pump (12), and the upper end is connected with the emptying pipe (64).