CN214270484U

CN214270484U - Multistage filter device for wastewater treatment

Info

Publication number: CN214270484U
Application number: CN202023110028.0U
Authority: CN
Inventors: 贾玉静
Original assignee: Tianjin Songshan Environmental Protection Technology Co ltd
Current assignee: Tianjin Songshan Environmental Protection Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-24
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a multistage filtering device for wastewater treatment, which comprises a bottom plate and a box body fixedly arranged at the top of the bottom plate, the top of the box body is provided with a water inlet, the top of the box body is fixedly provided with a flow guide cover connected with the water inlet, an inclined filter screen is fixedly arranged at the upper part of the inner wall of the box body, a drain pipe corresponding to the downward end of the filter screen is arranged at one side of the box body, and the top of the bottom plate is provided with a sewage collecting box connected with the sewage discharge pipe, a back washing mechanism corresponding to the filter screen is arranged in the box body, a plurality of liquid collecting grooves are arranged on the inner wall of the box body and are positioned below the filter screen, and the bottom of the liquid collecting tank is fixedly provided with a liquid guide pipe, the inner wall of the box body is fixedly provided with a supporting plate, the top of the supporting plate is fixedly provided with a plurality of filter cartridges connected with the liquid guide pipe, and a filter mechanism is arranged in each filter cartridge. The utility model discloses a multistage filtration, and the waste water filter effect is good.

Description

Multistage filter device for wastewater treatment

Technical Field

The utility model relates to a waste water treatment field especially relates to a multistage filter equipment for waste water treatment.

Background

With the development of industry, the amount of industrial wastewater generated is increasing. Industrial wastewater refers to wastewater, sewage and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediates and products lost with water and pollutants produced in the production process. For avoiding water waste resource and polluted environment, waste water discharges after needing to handle, at first need carry out filtration treatment to waste water during the processing, filters out filth wherein, but current waste water is most when handling singly lean on the filter screen to simply filter it, and the filter effect is general, and blocks up after using for a long time on the filter screen easily, washs and changes inconveniently.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a multistage filtering device for wastewater treatment.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a multi-stage filtering device for wastewater treatment comprises a bottom plate and a box body fixedly arranged at the top of the bottom plate, wherein a water inlet is formed in the top of the box body, a flow guide cover connected with the water inlet is fixedly arranged at the top of the box body, an inclined filter screen is fixedly arranged at the upper part of the inner wall of the box body, a blow-off pipe corresponding to the downward end of the filter screen is arranged on one side of the box body, a sewage collecting box connected with the blow-off pipe is arranged at the top of the bottom plate, a back washing mechanism corresponding to the filter screen is arranged in the box body, a plurality of liquid collecting grooves are formed in the inner wall of the box body and are positioned below the filter screen, liquid guide pipes are fixedly arranged at the bottoms of the liquid collecting grooves, a supporting plate is fixedly arranged on the inner wall of the box body, a plurality of filter cartridges connected with the liquid guide pipes are fixedly arranged at the tops of the supporting plate, a filtering mechanism is arranged in each filter cartridge, and a liquid discharge pipe of the supporting plate penetrates out from the bottoms of the filter cartridges, the bottom is equipped with the flocculation chamber that the drain pipe is connected in the box, the flocculation intracavity is equipped with rabbling mechanism, box one side set firmly with the inlet pipe that is used for throwing into chemical additive that the flocculation chamber is connected, box one side be equipped with the fluid-discharge tube that the flocculation chamber is connected, the bottom plate top set firmly with the filter cartridge that the fluid-discharge tube is connected, be equipped with a plurality of detachable filter plate in the filter cartridge, be equipped with the delivery port on the filter cartridge.

Particularly, a sewage draining outlet is fixedly arranged at the bottom of the sewage collecting box.

Particularly, the back washing mechanism comprises a washing pipe obliquely and fixedly arranged on the inner wall of the box body, a plurality of fixing rods are fixedly arranged between the washing pipe and the inner wall of the box body, a plurality of nozzles are fixedly arranged at the top of the washing pipe, the washing pipe is parallel to the filter screen, and a water inlet pipe connected with the washing pipe is arranged on one side of the box body.

Particularly, the filtering mechanism comprises a supporting layer arranged at the bottom in the filtering cylinder and a plurality of filtering material layers arranged at the upper part in the filtering cylinder.

Particularly, the stirring mechanism comprises a speed reducing motor fixedly arranged on one side of the box body, the inner wall of the flocculation cavity is rotatably connected with a stirring shaft fixedly connected with the output end of the speed reducing motor, and a plurality of pairs of stirring blades are arranged on the stirring shaft.

Particularly, the top of the filter box is hinged with a box cover, a plurality of pairs of slots are formed in the front inner wall and the rear inner wall of the filter box, and the filter screen plate is inserted into the slots in a sliding mode.

Particularly, valves are arranged on the sewage discharge pipe, the liquid guide pipe, the liquid outlet pipe, the liquid discharge pipe, the water outlet and the sewage outlet.

The utility model has the advantages that: the utility model discloses a set up filter screen, cartridge filter, flocculation chamber, filter cartridge, be convenient for carry out filtration treatment many times to waste water, the filter effect is good, and the filth is collected conveniently, and the filter screen is convenient for wash, avoids blockking up.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1-a bottom plate; 2-a box body; 3-a sewage draining outlet; 4-a sewage collection tank; 5-a support plate; 6-bearing layer; 7-a filter material layer; 8-a catheter; 9-a liquid collecting tank; 10-a fixing rod; 11-a sewage draining pipe; 12-a filter screen; 13-a dome; 14-a water inlet; 15-a nozzle; 16-a flush tube; 17-a water inlet pipe; 18-a liquid outlet pipe; 19-a flocculation chamber; 20-a stirring shaft; 21-a feed pipe; 22-a reduction motor; 23-a drain pipe; 24-a filtration cassette; 25-a water outlet; 26-a filter screen plate;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in figure 1, a multi-stage filtration device for wastewater treatment comprises a bottom plate 1 and a box body 2 fixedly arranged at the top of the bottom plate 1, wherein a water inlet 14 is arranged at the top of the box body 2, a flow guide cover 13 connected with the water inlet 14 is fixedly arranged at the top in the box body 2, an inclined filter screen 12 is fixedly arranged at the upper part of the inner wall of the box body 2, a sewage discharge pipe 11 corresponding to the downward end of the filter screen 12 is arranged at one side of the box body 2, a sewage collection box 4 connected with the sewage discharge pipe 11 is arranged at the top of the bottom plate 1, a back washing mechanism corresponding to the filter screen 12 is arranged in the box body 2, a plurality of liquid collection grooves 9 are arranged on the inner wall of the box body 2, the liquid collection grooves 9 are positioned below the filter screen 12, a liquid guide pipe 8 is fixedly arranged at the bottom of the liquid collection grooves 9, a support plate 5 is fixedly arranged on the, the improved chemical filter is characterized in that a filtering mechanism is arranged in the filter cartridge, a liquid outlet pipe 18 penetrating through the supporting plate 5 is arranged at the bottom of the filter cartridge, a flocculation cavity 19 connected with the liquid outlet pipe 18 is arranged at the bottom of the box body 2, a stirring mechanism is arranged in the flocculation cavity 19, a feeding pipe 21 connected with the flocculation cavity 19 and used for feeding chemical additives is fixedly arranged on one side of the box body 2, the chemical additives can adopt coagulant and flocculant, a liquid discharge pipe 23 connected with the flocculation cavity 19 is arranged on one side of the box body 2, a filtering box 24 connected with the liquid discharge pipe 23 is fixedly arranged at the top of the bottom plate 1, a plurality of detachable filter screen plates 26 are arranged in the filtering box 24, and a water outlet 25 is formed in the filtering box 24.

Particularly, a sewage draining outlet 3 is fixedly arranged at the bottom of the sewage collecting box 4.

Particularly, the back washing mechanism comprises a washing pipe 16 obliquely and fixedly arranged on the inner wall of the box body 2, a plurality of fixing rods 10 are fixedly arranged between the washing pipe 16 and the inner wall of the box body 2, a plurality of nozzles 15 are fixedly arranged at the top of the washing pipe 16, the washing pipe 16 is parallel to the filter screen 12, and a water inlet pipe 17 connected with the washing pipe 16 is arranged on one side of the box body 2.

Particularly, the filtering mechanism comprises a supporting layer 6 arranged at the bottom in the filter cartridge and a plurality of filter material layers 7 arranged at the upper part in the filter cartridge, wherein the filter material layers 7 can be 3, and the filter material can be anthracite, quartz sand and magnetite from top to bottom in sequence.

Particularly, the stirring mechanism comprises a speed reducing motor 22 fixedly arranged on one side of the box body 2, the inner wall of the flocculation cavity 19 is rotatably connected with a stirring shaft 20 fixedly connected with the output end of the speed reducing motor 22, and a plurality of pairs of stirring blades are arranged on the stirring shaft 20.

Particularly, the top of the filter box 24 is hinged with a box cover, a plurality of pairs of slots are arranged on the front inner wall and the rear inner wall of the filter box 24, and the filter screen plate 26 is inserted into the slots in a sliding manner.

Particularly, valves are arranged on the sewage discharge pipe 11, the liquid guide pipe 8, the liquid outlet pipe 18, the liquid discharge pipe 23, the water outlet 25 and the sewage discharge port 3.

The utility model discloses during operation, waste water is in water inlet 14 gets into box 2, carry out the secondary filter through the multilayer filter material in catheter 8 gets into the cartridge filter after filter screen 12 first filters, in 18 entering flocculation chamber 19 of drain pipe after the filtration, add flocculation chamber 19 with coagulant and flocculating agent in proper order, (mixing) shaft 20 slowly stirs under gear motor 22 effect, accelerate the flocculation, finally condense into the large granule colloid, get into filter box 24 through fluid-discharge tube 23 again, discharge through delivery port 25 after multilayer filter screen board 26 refilters, use after a period, filth on the filter screen 12 gets into in the collection dirt case 4 through discharge pipe 11, and wash away the filth that remains on filter screen 12 through flushing pipe 16 and nozzle 15, filter screen board 26 in the filter box 24 regularly takes out the washing can. The utility model discloses be convenient for carry out filtration treatment many times to waste water, the filter effect is good, and the filth is collected conveniently.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A multi-stage filtering device for wastewater treatment comprises a bottom plate (1) and a box body (2) fixedly arranged at the top of the bottom plate (1), and is characterized in that a water inlet (14) is arranged at the top of the box body (2), a flow guide cover (13) connected with the water inlet (14) is fixedly arranged at the inner top of the box body (2), an inclined filter screen (12) is fixedly arranged at the upper part of the inner wall of the box body (2), a sewage discharge pipe (11) corresponding to one downward end of the filter screen (12) is arranged at one side of the box body (2), a sewage collection box (4) connected with the sewage discharge pipe (11) is arranged at the top of the bottom plate (1), a back washing mechanism corresponding to the filter screen (12) is arranged in the box body (2), a plurality of liquid collection grooves (9) are arranged on the inner wall of the box body (2), the liquid collection grooves (9) are positioned below the filter screen (12), and a liquid guide pipe (8) is fixedly arranged at the bottom of the liquid collection grooves (9), a supporting plate (5) is fixedly arranged on the inner wall of the box body (2), a plurality of filter cartridges connected with the liquid guide pipe (8) are fixedly arranged at the top of the supporting plate (5), a filtering mechanism is arranged in each filter cartridge, a liquid outlet pipe (18) penetrating through the supporting plate (5) is arranged at the bottom of each filter cartridge, a flocculation cavity (19) connected with the liquid outlet pipe (18) is arranged at the bottom of the box body (2), a stirring mechanism is arranged in each flocculation cavity (19), a feeding pipe (21) connected with the flocculation cavity (19) and used for feeding chemical additives is fixedly arranged at one side of the box body (2), a liquid discharge pipe (23) connected with the flocculation cavity (19) is arranged at one side of the box body (2), a filtering box (24) connected with the liquid discharge pipe (23) is fixedly arranged at the top of the bottom plate (1), and a plurality of detachable filter screen plates (26) are arranged in the filtering box (24), a water outlet (25) is arranged on the filter box (24).

2. The multistage filtering device for wastewater treatment as claimed in claim 1, wherein a drain outlet (3) is fixedly arranged at the bottom of the sewage collection tank (4).

3. The multistage filtering device for wastewater treatment as claimed in claim 2, wherein the back washing mechanism comprises a washing pipe (16) obliquely and fixedly arranged on the inner wall of the box body (2), a plurality of fixing rods (10) are fixedly arranged between the washing pipe (16) and the inner wall of the box body (2), a plurality of nozzles (15) are fixedly arranged at the top of the washing pipe (16), the washing pipe (16) is parallel to the filtering net (12), and a water inlet pipe (17) connected with the washing pipe (16) is arranged at one side of the box body (2).

4. A multistage filter device for wastewater treatment according to claim 3, wherein the filter means comprises a support layer (6) provided at the bottom in the filter cartridge and a plurality of filter layers (7) provided at the upper part in the filter cartridge.

5. The multistage filtering device for wastewater treatment according to claim 4, wherein the stirring mechanism comprises a speed reduction motor (22) fixedly arranged on one side of the box body (2), a stirring shaft (20) fixedly connected with the output end of the speed reduction motor (22) is rotatably connected to the inner wall of the flocculation cavity (19), and a plurality of pairs of stirring blades are arranged on the stirring shaft (20).

6. The multistage filtering device for wastewater treatment as set forth in claim 5, wherein a cover is hinged to the top of the filter cartridge (24), a plurality of pairs of slots are formed on the front and rear inner walls of the filter cartridge (24), and the screen plates (26) are slidably inserted into the slots.

7. The multistage filtration device for wastewater treatment according to claim 6, wherein valves are arranged on the sewage discharge pipe (11), the liquid guide pipe (8), the liquid outlet pipe (18), the liquid discharge pipe (23), the water outlet (25) and the sewage discharge outlet (3).