CN209752264U

CN209752264U - Deep bed filter

Info

Publication number: CN209752264U
Application number: CN201920127777.2U
Authority: CN
Inventors: 张永壮; 王振华
Original assignee: Shandong Ring Environmental Protection Technology Co Ltd
Current assignee: Shandong Ring Environmental Protection Technology Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-12-10
Anticipated expiration: 2029-01-25

Abstract

The utility model discloses a deep bed filter device, which comprises a tank body, a clean water tank, a sewage tank and an air compressor, wherein the tank body comprises a barrel body, an upper cover and a lower cover, a porous supporting plate is arranged in the barrel body, a filter material is arranged in the barrel body, a water inlet pipe is arranged on the upper cover, a blow-off pipe is arranged on the barrel body, a back flush water pipe is arranged on the barrel body, a concave cavity and a sealing plate for sealing the concave cavity are arranged on the lower cover, the middle part of the sealing plate is connected with a water outlet pipe, the water outlet pipe passes through the lower cover and extends downwards, a plurality of air outlet holes are arranged on the sealing plate, a nozzle is arranged at the air outlet hole, a one-way valve is arranged at the air outlet hole, an air inlet pipe communicated with the concave cavity is arranged on the lower cover, the water outlet pipe is communicated with the clean water tank, the, the device has the advantages of simple installation and flexible use, and is suitable for popularization and use in small factories.

Description

Deep bed filter

Technical Field

The utility model relates to a sewage treatment device field, specific theory relates to a deep bed filter equipment.

Background

In sewage treatment, a deep-bed filter is usually required to remove suspended substances in water. Compared with the traditional filter tank, the deep-bed filter tank is deeper in filter bed and is mostly a down-flow gravity filter tank. The filter material can adopt a single-layer filter material or a multi-layer filter material. The single-layer filter material is mostly natural quartz sand; the multi-layer filter material is made of anthracite, quartz sand, garnet and the like, and the grain diameters of the filter materials are arranged in the order of small top and big bottom. The structure of the deep bed filter allows suspended solids in water to penetrate to a deeper position of the filter bed, the sewage interception capacity of the filter can be improved, the working process comprises filtering and backwashing, the suspended solids in the water are intercepted by using a filter material during filtering, and the intercepted suspended solids can be taken away for centralized treatment during backwashing. When the deep-bed filter tank is constructed, a deep pit needs to be dug on the ground, various structures are built according to needs, pipelines need to be laid underground and on the ground, the construction is complex, the use is not very flexible, the deep-bed filter tank is generally suitable for being used in large-scale sewage treatment plants, a plurality of small-scale plants have sewage treatment requirements, and the deep-bed filter tank is not suitable for being adopted.

disclosure of Invention

The utility model aims at providing a deep bed filter equipment that simple installation, use are nimble to above-mentioned problem.

In order to achieve the purpose, the utility model comprises a tank body, a clean water tank, a sewage tank and an air compressor, and is structurally characterized in that the tank body comprises a cylinder body, the top end and the bottom end of the cylinder body are respectively provided with an upper cover and a lower cover, a porous supporting plate is arranged in the cylinder body, a filter material is arranged in the space above the supporting plate in the cylinder body, the upper cover is provided with a water inlet pipe, the part of the cylinder body above the filter material is provided with a blow-off pipe, the part of the cylinder body below the supporting plate is provided with a back flush water pipe, one side of the lower cover close to the cylinder body is provided with a concave cavity, the lower cover is provided with a sealing plate for sealing the concave cavity, the middle part of the sealing plate is provided with a central hole and connected with a water outlet pipe, the lower end of the water outlet pipe passes through the lower cover to extend, an air inlet pipe communicated with the concave cavity is arranged on the lower cover, a purified water outlet pipeline is arranged between the water outlet pipe and the purified water tank, a back flush water flow pipeline is arranged between the back flush water pipe and the purified water tank, a water pump is arranged on the back flush water flow pipeline, an air outlet of the air compressor is communicated with the air inlet pipe through an air inlet pipeline, and a sewage discharge pipeline is arranged between the sewage discharge pipe and the sewage tank.

The deep-bed filtering device works in the following mode: after sewage enters the tank body from the water inlet pipe, the filter material can intercept suspended matters in the sewage to enable the suspended matters to become purified water, the purified water enters the purified water tank through the purified water outlet pipeline, and a part of the purified water can be reserved in the purified water tank to be used as backwashing water; after the filter material is operated for a period of time, more impurities enter the filter material, a backwashing flow needs to be started, a water pump extracts purified water from a purified water tank and inputs the purified water into a space below a supporting plate, a compressed air is input into a concave cavity by an air compressor, the compressed air is sprayed out by a nozzle through a one-way valve, and the sprayed gas is diffused in backwashing water to tumble, so that the backwashing effect can be enhanced.

The inner wall of the barrel body below the supporting plate is connected with an upper retaining ring and a lower retaining ring, an inner barrel is arranged in the barrel body, the upper end and the lower end of the inner barrel are respectively connected with the two retaining rings, the inner barrel, the barrel body and the upper retaining ring and the lower retaining ring jointly enclose an annular water distribution cavity, the backwashing water pipe is communicated with the annular water distribution cavity, a plurality of through holes are distributed on the inner barrel, and the water distribution pipe is arranged at the through holes. After the structure is adopted, the backwashing water enters the tank body and is firstly dispersed in the annular water distribution cavity and then is dispersed and flows out through the water distribution pipe, and the filter material is uniformly backwashed from the bottom, so that the backwashing effect can be enhanced.

The opening of the water diversion pipe is bent upwards. The pipe orifice of the water diversion pipe is bent upwards, so that the backwashing water can be directly flushed upwards, and the backwashing effect is further enhanced.

The upper cover is an arc-shaped plate with middle upward convex and peripheral downward convex, the flow baffle plate is arranged below the upper cover, the flow baffle plate is an arc-shaped plate with middle upward convex and peripheral downward convex, the flow baffle plate and the upper cover are connected together through the connecting support, a flow dividing space is formed between the flow baffle plate and the upper cover, and the water inlet pipe is communicated with the flow dividing space. After adopting above-mentioned structure, sewage can disperse in the reposition of redundant personnel space after getting into the jar body, flows down from the periphery that keeps off the flow sheet, can avoid sewage direct impact filter material and influence the filter effect from this. Another benefit of using this configuration is: the space between the flow baffle and the upper cover is large, and sundries cannot be left in the process of flow distribution, so that blockage can be avoided.

One side of the upper cover is hinged to the barrel, and a hanging ring is arranged on the upper surface of the upper cover. After adopting above-mentioned structure, can use hoisting apparatus to catch on and pull upward to open the upper cover after the rings, opening of upper cover that from this can be convenient, the interpolation and the change of the filter material of being convenient for.

The barrel is provided with a plurality of supporting legs. The landing leg can be supported whole jar body, and is easy to assemble and fixed.

Control valves are arranged at the positions of the drain pipe, the back flushing water pipe, the water outlet pipe and the air inlet pipe. The control valve can be arranged to conveniently control the gas and water to enter and exit.

To sum up, the utility model discloses can be used to remove the suspended solid in the sewage, it has the installation simply, uses nimble advantage, is adapted to and uses widely in small-size mill.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is a schematic view of the structure of fig. 1 taken along line a-a.

Detailed Description

Referring to fig. 1 and 2, in an embodiment of the present invention, the deep-bed filtering apparatus includes a tank body, a clean water tank 2, a sewage tank 3, and an air compressor 4, the tank body includes a barrel 5, an upper cover 6 and a lower cover 7 are respectively installed at the top and the bottom of the barrel 5, a porous supporting plate 8 is installed in the barrel 5, a filter material 9 is installed in a space above the supporting plate 8 in the barrel 5, a water inlet pipe 10 is installed on the upper cover 6, a drain pipe 11 is installed at a position above the filter material 9 on the barrel 5, a back flush water pipe 12 is installed at a position below the supporting plate 8 on the barrel 5, a cavity 13 is installed at a side of the lower cover 7 close to the barrel 5, a sealing plate 14 for sealing the cavity 13 is installed on the lower cover 7, a central hole 15 is installed at the middle part of the sealing plate 14 and connected with a water outlet pipe 16, the lower end of the, an upward extending nozzle 18 is arranged at the air outlet 17, a one-way valve 19 which can enable air flow to the nozzle 18 from the cavity 13 is arranged at the position of the air outlet 17, which is positioned at the lower side of the sealing plate 14, an air inlet pipe 20 which is communicated with the cavity 13 is arranged on the lower cover 7, a purified water outflow pipeline 21 is arranged between the water outlet pipe 16 and the purified water pool 2, a backwashing water pipeline 22 is arranged between the backwashing water pipe 12 and the purified water pool 2, a water pump 23 is arranged on the backwashing water pipeline 22, an air outlet of the air compressor 4 is communicated with the air inlet pipe 20 through an air inlet pipeline 24, and a sewage discharge pipeline 25 is arranged between. The filter material 9 may be a filter material structure of a deep-bed filter, for example, natural quartz sand is used as a single-layer filter material, or a multi-layer filter material composed of anthracite, quartz sand and garnet is used.

The deep-bed filtering device works in the following mode: after sewage enters the tank body from the water inlet pipe 10, the filter material 9 can intercept suspended matters in the sewage to enable the sewage to become purified water, the purified water enters the purified water tank 2 through the purified water outlet pipeline 21, and a part of the purified water can be reserved in the purified water tank 2 to be used as backwashing water; after the filter material is operated for a period of time, more impurities enter the filter material 9, a backwashing flow needs to be started, the water pump 23 extracts purified water from the purified water tank 2 and inputs the purified water into a space below the supporting plate 8, the air compressor inputs compressed air into the concave cavity 13, the compressed air passes through the one-way valve 19 and is sprayed out by the nozzle 18, and the sprayed gas is diffused in backwashing water to be overturned, so that the backwashing effect can be enhanced, after backwashing, the impurities in the filter material 9 and backwashing water are discharged together through the sewage discharge pipe 11 and then enter the sewage tank 3 through the sewage discharge pipe 25 for subsequent treatment. The filtering part of the deep bed filtering device adopts a tank structure, and compared with the traditional deep bed filtering tank, the deep bed filtering tank has the advantages of simple installation and flexible use, and is suitable for being popularized and used in small factories.

An upper retaining ring 26 and a lower retaining ring 26 are connected to the inner wall of the cylinder 5 below the supporting plate 8, an inner cylinder 27 is arranged in the cylinder 5, the upper end and the lower end of the inner cylinder 27 are respectively connected with the two retaining rings 26, the inner cylinder 27, the cylinder 5 and the upper retaining ring 26 and the lower retaining ring 26 jointly enclose an annular water distribution cavity 28, the backwashing water pipe 12 is communicated with the annular water distribution cavity 28, a plurality of through holes are distributed on the inner cylinder 27, and water distribution pipes 29 are installed at the through holes. After the structure is adopted, the backwashing water enters the tank body and is firstly dispersed in the annular water distribution cavity 28 and then is dispersed and flows out through the water distribution pipe 29, and the filtering material 9 is uniformly backwashed from the bottom, so that the backwashing effect can be enhanced.

The mouth of the knock out pipe 29 is bent upward. The mouth of the water dividing pipe 29 is bent upwards, so that the backwashing water can be directly flushed upwards, and the backwashing effect is further enhanced.

The upper cover 6 is an arc-shaped plate with a middle convex part and a peripheral drooping part, the flow baffle 30 is arranged below the upper cover 6, the flow baffle 30 is an arc-shaped plate with a middle convex part and a peripheral drooping part, the flow baffle 30 and the upper cover 6 are connected together through the connecting bracket 31, a flow dividing space is formed between the flow baffle 30 and the upper cover 6, and the water inlet pipe 10 is communicated with the flow dividing space. After adopting above-mentioned structure, sewage can disperse in the reposition of redundant personnel space after getting into the jar body, flows down from the periphery that keeps off the flow board 30, can avoid sewage direct impact filter material 9 and influence the filter effect from this. Another benefit of using this configuration is: the space between the flow baffle 30 and the upper cover 6 is large, and sundries cannot be left in the process of flow distribution, so that blockage can be avoided.

One side of the upper cover 6 is hinged on the cylinder 5, and the upper surface of the upper cover 6 is provided with a hanging ring 32. After adopting above-mentioned structure, can use hoisting apparatus to catch on and pull upward and open upper cover 6 after the rings, opening of upper cover 6 that from this can be convenient, the interpolation and the change of the filter material 9 of being convenient for.

A plurality of legs 33 are provided on the barrel 5. The supporting legs 33 can support the whole tank body, and are convenient to install and fix.

Control valves 34 are arranged at the sewage discharge pipe 11, the back flush water pipe 12, the water outlet pipe 16 and the air inlet pipe 20. The control valve 34 is arranged to control the air and water to flow in and out conveniently.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. A deep bed filtering device comprises a tank body, a clean water tank (2), a sewage tank (3) and an air compressor (4), and is characterized in that the tank body comprises a cylinder body (5), an upper cover (6) and a lower cover (7) are respectively installed at the top end and the bottom end of the cylinder body (5), a porous supporting plate (8) is arranged in the cylinder body (5), a filter material (9) is arranged in a space above the supporting plate (8) in the cylinder body (5), a water inlet pipe (10) is arranged on the upper cover (6), a blow-off pipe (11) is arranged at a position above the filter material (9) on the cylinder body (5), a back flushing water pipe (12) is arranged at a position below the supporting plate (8) on the cylinder body (5), a concave cavity (13) is arranged at one side of the lower cover (7) close to the cylinder body (5), a sealing plate (14) for sealing the concave cavity (13) is arranged on the lower cover, the lower end of a water outlet pipe (16) penetrates through a lower cover (7) and extends downwards, a plurality of air outlet holes (17) are annularly arranged on a sealing plate (14) around a central hole (15), nozzles (18) extending upwards are installed at the air outlet holes (17), a one-way valve (19) which can enable air flow to the nozzles (18) from a cavity (13) is installed at the position, located on the lower side of the sealing plate (14), of the air outlet holes (17), an air inlet pipe (20) communicated with the cavity (13) is arranged on the lower cover (7), a purified water outflow pipeline (21) is arranged between the water outlet pipe (16) and the purified water pool (2), a back washing water pipeline (22) is arranged between the back washing water pipe (12) and the purified water pool (2), a water pump (23) is installed on the back washing water outflow pipeline (22), an air outlet of an air compressor (4) is communicated with the air inlet pipe (20) through the air inlet pipeline (.

2. The deep bed filter device according to claim 1, wherein the inner wall of the cylinder (5) below the supporting plate (8) is connected with an upper retaining ring and a lower retaining ring (26), the cylinder (5) is internally provided with an inner cylinder (27), the upper end and the lower end of the inner cylinder (27) are respectively connected with the two retaining rings (26), the inner cylinder (27), the cylinder (5) and the upper retaining ring and the lower retaining ring (26) jointly enclose an annular water distribution cavity (28), the backwashing water pipe (12) is communicated with the annular water distribution cavity (28), a plurality of through holes are distributed on the inner cylinder (27), and the water distribution pipe (29) is arranged at the through holes.

3. Deep bed filter unit according to claim 2, characterised in that the mouth of the knock out pipe (29) is bent upwards.

4. The deep bed filter device according to claim 1, wherein the upper cover (6) is an arc-shaped plate with a convex middle part and a drooping periphery, a flow baffle plate (30) is arranged below the upper cover (6), the flow baffle plate (30) is an arc-shaped plate with a convex middle part and a drooping periphery, the flow baffle plate (30) and the upper cover (6) are connected together through a connecting bracket (31), a shunting space is formed between the flow baffle plate (30) and the upper cover (6), and the water inlet pipe (10) is communicated with the shunting space.

5. Deep bed filter unit according to claim 1, characterised in that the upper cover (6) is hinged on the vessel (5) on one side and that the upper surface of the upper cover (6) is provided with a lifting ring (32).

6. deep bed filter unit according to claim 1, characterised in that the cartridge (5) is provided with a plurality of legs (33).

7. The deep bed filter unit according to any one of claims 1 to 6, wherein the drain pipe (11), the back flush water pipe (12), the water outlet pipe (16) and the air inlet pipe (20) are provided with control valves (34).