CN216023549U

CN216023549U - Box-type integrated rotary disc filter

Info

Publication number: CN216023549U
Application number: CN202122529290.7U
Authority: CN
Inventors: 许斌; 陈科鹏; 吴庆
Original assignee: Jiangsu Jinboya Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Jinboya Environmental Protection Equipment Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-15
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a box-type integrated rotary disc filter, which relates to the technical field of sewage treatment and comprises a box body, wherein two partition plates are arranged in the box body, the partition plates divide the inner space of the box body into a water inlet area, a filtering area and a water outlet area in sequence along the direction from water inlet to water outlet, a central rotary drum is transversely arranged in the filtering area, and a plurality of rotary discs are arranged on the central rotary drum at intervals along the length direction; a backwashing pipe is transversely arranged on the box body above the central rotary drum, the backwashing pipe is communicated with a submersible pump arranged in a water outlet area through a pipeline for supplying water, nozzles which vertically correspond to the rotary tables are arranged below the backwashing pipe, the nozzles are connected with the backwashing pipe through hoses, each nozzle is fixed on a cross rod, and one end of the cross rod is connected with an air cylinder which can drive the cross rod to reciprocate along the length direction. The utility model has simple and scientific structural design, high sewage treatment efficiency and reduced treatment cost.

Description

Box-type integrated rotary disc filter

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a box-type integrated rotary disc filter.

Background

With the increase of the national requirements on sewage discharge, the requirements on the discharge of the effluent of sewage are higher and higher. The rotary disc filter is widely applied by the advantages of good and stable effluent quality, small occupied area, simple and compact equipment, low operation cost and the like, but the existing rotary disc filter still has the following defects: the spray head in the back washing system is only aligned to one direction for washing, the washing effect is poor, and the water loss is increased and the cost is increased by adding the spray head for the washing effect; the filter cloth is easy to damage due to the large-particle sharp impurities contained in the sewage; and the sludge water after filtering and back washing is not completely discharged, and the like.

Disclosure of Invention

The utility model aims to overcome the defects of the technology and provide a box-type integrated rotary disc filter which is simple and scientific in structural design, high in sewage treatment efficiency and low in treatment cost.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

a box type integrated rotary disc filter comprises a box body, wherein two partition plates are arranged in the box body, the partition plates divide the inner space of the box body into a water inlet area, a filtering area and a water outlet area in sequence along the direction from water inlet to water outlet, the water inlet area is communicated with the filtering area, the filtering area is communicated with the water outlet area, a water inlet is arranged at the upper part of the water inlet area, and a water outlet is arranged at the lower part of the water outlet area; the box body above the central rotary drum is transversely provided with a back-flushing pipe, the back-flushing pipe is communicated with a water supply through a pipeline by a submersible pump arranged in a water outlet area, nozzles vertically corresponding to the rotary tables are arranged below the back-flushing pipe, the nozzles are connected with the back-flushing pipe through hoses, the nozzles are fixed on a cross rod, and one end of the cross rod is connected with an air cylinder capable of driving the cross rod to reciprocate along the length direction.

The utility model has the further improvement that two ends of the cross rod are respectively sleeved in the limiting rings, the limiting rings are fixedly connected with the back washing pipe, and the cross rod can be prevented from falling off by utilizing the limiting rings.

The utility model has the further improvement that an equipment room is arranged at the top of the filtering area, and the air cylinder and the rotating motor are both arranged in the equipment room.

The utility model has the further improvement that the bottom surface of the filtering area is of a conical structure with a wide upper part and a narrow lower part, and the side wall at the lowest position of the bottom surface of the filtering area is provided with a sewage draining outlet for draining muddy water.

The utility model has the further improvement that the rotary tables are of hollow structures, the two sides of each rotary table are coated with filter cloth, and the inner cavity of each rotary table is communicated with the inner cavity of the central rotary drum.

The utility model is further improved in that a filter plate is arranged above a communication port of the water inlet area and the filter area, the filter plate is arranged in an inclined mode, the upper side edge of the filter plate is hinged to a partition plate between the filter area and the water inlet area, the lower side edge of the filter plate freely drops and abuts against the bottom surface of the water inlet area, an impurity discharging port is formed in the side wall of the bottom of the water inlet area, large-particle impurities can be filtered in advance through the filter plate, the filter plate is arranged in an inclined mode, the impurities can be prevented from being accumulated on the surface of the filter plate to cause blockage, meanwhile, the filter plate can be overturned, and attachments can fall off and be discharged from the impurity discharging port conveniently when the impurity removing operation is carried out after the water inlet area is emptied.

The utility model has the beneficial effects that:

the utility model improves the structure of the backwashing system, utilizes the spray head capable of reciprocating displacement, can realize the comprehensive washing of the rotary table, reduces the using amount of the spray head, further reduces the water loss and the sewage treatment cost, and simultaneously, the utility model can effectively prevent the filter cloth from being damaged by large-particle impurities contained in the sewage by arranging the filter plate in the water inlet area, and the bottom of the filter area adopts a conical structure, thereby being convenient for the discharge of muddy water and realizing thorough discharge.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a box body 1, a partition plate 2, a water inlet area 3, a filtering area 4, a water outlet area 5, a water inlet 6, a water outlet 7, a central rotary drum 8, a support 9, a chain 10, a rotary motor 11, a bearing body 12, a rotary table 13, a backwashing pipe 14, a submersible pump 15, a spray head 16, a hose 17, a cross rod 18, an air cylinder 19, a limiting ring 20, an equipment room 21, a sewage discharge port 22, a filter plate 23 and a trash discharge port 24.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

As shown in figure 1, a box-type integrated rotary disc filter comprises a box body 1, two partition plates 2 are arranged in the box body 1, the partition plates 2 divide the inner space of the box body 1 into a water inlet area 3, a filtering area 4 and a water outlet area 5 in sequence along the direction from water inlet to water outlet, the water inlet area 3 is communicated with the filtering area 4, the filtering area 4 is communicated with the water outlet area 5, the upper part of the water inlet area 3 is provided with a water inlet 6, the lower part of the water outlet area 5 is provided with a water outlet 7, a central rotary drum 8 is transversely arranged in the filtering area 4, one end of the central rotary drum 8 is rotatably arranged on a bracket 9 and is connected with the output end of a rotary motor 11 through a chain 10, the other end of the central rotary drum 8 is rotatably arranged on the partition plate 2 between the filtering area 4 and the water outlet area 5 through a bearing body 12, the inner cavity of the central rotary drum 8 is communicated with the water outlet zone 5, and a plurality of rotary tables 13 are arranged on the central rotary drum 8 at intervals along the length direction; a back-flushing pipe 14 is transversely arranged on the box body 1 above the central rotary drum 8, the back-flushing pipe 14 is communicated with a submersible pump 15 arranged in the water outlet area 5 through a pipeline for supplying water, spray heads 16 which vertically correspond to the rotary tables 13 are arranged below the back-flushing pipe 14, the spray heads 16 are connected with the back-flushing pipe 14 through hoses 17, the spray heads 16 are fixed on a cross rod 18, and one end of the cross rod 18 is connected with a cylinder 19 which can drive the cross rod 18 to reciprocate along the length direction.

Specifically, two ends of the cross bar 18 are respectively sleeved in the limiting rings 20, the limiting rings 20 are fixedly connected with the back washing pipe 14, and the cross bar 18 can be prevented from falling off by the limiting rings 20.

Specifically, the top of the filtering area 4 is provided with an equipment room 21, and the air cylinder 19 and the rotating motor 11 are both arranged in the equipment room 21.

Specifically, the bottom surface of the filtering area 4 is a conical structure with a wide upper part and a narrow lower part, and the side wall of the lowest position of the bottom surface of the filtering area 4 is provided with a sewage discharge port 22 for discharging muddy water.

Specifically, rotary table 13 is a hollow structure, two sides of rotary table 13 are covered by filter cloth, and the inner cavity of each rotary table 13 is communicated with the inner cavity of central drum 8.

The described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A box type integrated rotary disc filter comprises a box body, wherein two partition plates are arranged in the box body, the partition plates divide the inner space of the box body into a water inlet area, a filtering area and a water outlet area in sequence along the direction from water inlet to water outlet, the water inlet area is communicated with the filtering area, the filtering area is communicated with the water outlet area, a water inlet is arranged at the upper part of the water inlet area, and a water outlet is arranged at the lower part of the water outlet area; the box body above the central rotary drum is transversely provided with a back-flushing pipe, the back-flushing pipe is communicated with a water supply through a pipeline by a submersible pump arranged in a water outlet area, nozzles vertically corresponding to the rotary tables are arranged below the back-flushing pipe, the nozzles are connected with the back-flushing pipe through hoses, the nozzles are fixed on a cross rod, and one end of the cross rod is connected with an air cylinder capable of driving the cross rod to reciprocate along the length direction.

2. A box-type integrated rotary disc filter according to claim 1, wherein two ends of the cross bar are respectively sleeved in a limit ring, and the limit ring is fixedly connected with the back-flushing pipe.

3. A box-type integrated rotary disc filter according to claim 1, wherein an equipment room is arranged at the top of the filtering area, and the air cylinder and the rotating motor are both installed in the equipment room.

4. A box-type integrated rotary disc filter according to claim 1, wherein the bottom surface of the filtering area is a tapered structure with a wide top and a narrow bottom, and a sewage draining outlet is arranged on the side wall at the lowest position of the bottom surface of the filtering area.

5. A box-type integrated rotary disc filter according to claim 1, wherein the rotary disc is a hollow structure, both sides of the rotary disc are covered with filter cloth, and the inner cavity of each rotary disc is communicated with the inner cavity of the central rotary drum.

6. A box-type integrated rotary disc filter according to claim 1, wherein the water inlet area is provided with a filter plate above the communicating port of the filtering area and the water inlet area, the filter plate is arranged obliquely, the upper side edge of the filter plate is hinged on a partition plate between the filtering area and the water inlet area, the lower side edge of the filter plate freely falls and abuts against the bottom surface of the water inlet area, and the side wall of the bottom of the water inlet area is provided with a trash discharging port.