CN211752744U

CN211752744U - Active sand filter

Info

Publication number: CN211752744U
Application number: CN201922478087.4U
Authority: CN
Inventors: 贺习
Original assignee: Anhui Hengfan Environmental Protection Technology Co ltd
Current assignee: Anhui Hengfan Environmental Protection Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-27
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an active sand filter belongs to water treatment technical field, including filtering casing and bracket, the upper end of filtering the casing is provided with sand washer, sand washer's upper end is provided with the motor, the inside of filtering the casing is provided with fortune sand pipe, the inside of fortune sand pipe is provided with the hob, the power output shaft fixed connection of filter casing and sand washer and motor is run through to the upper end of hob, the inside packing of filtering the casing has the quartz sand filter material, sand washer's lower extreme symmetry is provided with two conveying pipes that run through the filter casing, the sand inlet has all been seted up to the lower extreme both sides of fortune sand pipe, one side of fortune sand pipe is provided with the inlet tube. The utility model discloses an use the hob will pollute the sand and carry and wash in the sand washer, and use solid sand net interception quartz sand filter material to reach the purpose that dirty sand can in time be handled and prevent quartz sand loss.

Description

Active sand filter

Technical Field

The utility model relates to a filter especially relates to an active sand filter, belongs to water treatment technical field.

Background

Active sand filtration, a sewage treatment technology, integrates flocculation, sedimentation and filtration treatment, and simplifies the flow of the traditional process treatment. The active sand filtering technology has the advantages of low one-time investment cost, no need of a back washing system, low maintenance cost and the like, and plays an increasingly important role in advanced treatment processes of municipal and industrial water and sewage.

The general active sand filter uses the air lift pump to carry dirty sand to the sand washer and washs, and the air lift pump blocks up easily, leads to dirty sand to handle untimely, and sewage treatment effect is not good, and when sewage treatment capacity is great, the aquatic after handling often contains the quartz sand filter material.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to provide an active sand filter, will pollute the sand through using the hob and carry and wash in to the sand washer, and use solid sand net interception quartz sand filter material to reach the purpose that dirty sand can in time be handled and prevent that quartz sand runs off.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an active sand filter, is including filtering casing and bracket, the upper end of filtering the casing is provided with sand washer, sand washer's upper end is provided with the motor, the inside of filtering the casing is provided with fortune sand pipe, the inside of fortune sand pipe is provided with the hob, run through the upper end of hob filter the casing with sand washer with the power output shaft fixed connection of motor, the inside packing of filtering the casing has the quartz sand filter material, sand washer's lower extreme symmetry is provided with two and runs through the conveying pipe of filtering the casing, the sand inlet has all been seted up to the lower extreme both sides of fortune sand pipe, one side of fortune sand pipe is provided with the inlet tube.

Preferably, the inlet tube runs through filter housing's left side, filter housing's left side be provided with advance water piping connection's filter cartridge, the one end of inlet tube is provided with the interface of intaking, the right side of the interface of intaking is provided with and is located the current-limiting piece of intaking on the inlet tube.

Preferably, the outside of fortune sand pipe has cup jointed the distributive pipe, the upper end of distributive pipe with the other end of inlet tube is connected, the outside of distributive pipe is provided with a plurality of spray pipes.

Preferably, a plurality of spray heads are arranged on the lower side of the water spray pipe, each spray head is a conical spray head, a plurality of water outlet grooves are formed in each spray head, and sand blocking nets are arranged in the water outlet grooves.

Preferably, a sand fixing net sleeved on the sand conveying pipe is arranged above the quartz sand filter material, and the sand fixing net is in close contact with the inner wall of the filter shell.

Preferably, the lower end of the conveying pipe penetrates through the sand fixing net.

Preferably, a water outlet pipe is arranged on the right side of the filtering shell, and a flow meter is arranged on the water outlet pipe.

Preferably, a water diversion pipe is arranged on the rear side of the sand washer.

Preferably, the bracket is provided with a sleeve hole, the filter shell is sleeved on the bracket through the sleeve hole, the lower end of the bracket is provided with a plurality of supporting legs, and both sides of the bracket are provided with fixing rods fixedly connected with the filter shell.

The utility model has the advantages of: according to the active sand filter of the utility model, the dirty sand is conveyed into the sand washer by the mechanical screw rod for cleaning, which is beneficial to the stability of sand washing and prevents the accumulation of the dirty sand; when the sewage is filtered, the sand fixing net can prevent the quartz sand filter material from flowing out of the filter shell; the water inflow flow limiting piece can prevent the water pressure of inflow from increasing suddenly to influence the filtering effect.

Drawings

FIG. 1 is a front elevational view of a preferred embodiment of an activated sand filter according to the present invention;

FIG. 2 is a diagram of the internal structure of a filter housing of a preferred embodiment of an activated sand filter according to the present invention;

FIG. 3 is a top view of the overall construction of a preferred embodiment of an activated sand filter according to the present invention;

FIG. 4 is a schematic illustration of a shunt tube configuration of a preferred embodiment of an activated sand filter according to the present invention;

FIG. 5 is a schematic view of a preferred embodiment of a showerhead according to the present invention;

fig. 6 is a schematic view of a bracket structure of a preferred embodiment of an activated sand filter according to the present invention.

In the figure: 1-filtering shell, 2-bracket, 3-sand washer, 4-motor, 5-filtering box, 6-water inlet flow-limiting piece, 7-water inlet interface, 8-fixing rod, 9-water outlet pipe, 10-flowmeter, 11-supporting leg, 12-conveying pipe, 13-sand conveying pipe, 14-water inlet pipe, 15-water spray pipe, 16-nozzle, 17-sand inlet, 18-water diversion pipe, 19-water outlet groove, 20-sand-blocking net, 21-sleeving hole, 22-quartz sand filter material, 23-sand-fixing net and 24-screw rod.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 6, the active sand filter provided by the present embodiment includes a filter housing 1 and a bracket 2, wherein a sand washer 3 is disposed at an upper end of the filter housing 1, and a motor 4 is disposed at an upper end of the sand washer 3. The inside of filtering shell 1 is provided with fortune sand pipe 13, and the inside of fortune sand pipe 13 is provided with hob 24, and filter shell 1 and sand washer 3 and the power output shaft fixed connection of motor 4 are run through to the upper end of hob 24. The inside of the filter housing 1 is filled with a quartz sand filter 22. The lower end of the sand washer 3 is symmetrically provided with two conveying pipes 12 penetrating through the filtering shell 1. Sand inlets 17 are formed in two sides of the lower end of the sand conveying pipe 13, and a water inlet pipe 14 is arranged on one side of the sand conveying pipe 13. The mechanical screw rod is used for conveying the dirty sand to the sand washer 3 for cleaning, so that the sand washing stability is facilitated, and the accumulation of the dirty sand is prevented.

In the present embodiment, as shown in fig. 1 and 2, the inlet pipe 14 penetrates the left side of the filter housing 1, and the filter cassette 5 connected to the inlet pipe 14 is provided on the left side of the filter housing 1. One end of the water inlet pipe 14 is provided with a water inlet connector 7, and the right side of the water inlet connector 7 is provided with a water inlet flow limiting piece 6 positioned on the water inlet pipe 14. The water inflow flow limiting piece can prevent the water pressure of inflow from increasing suddenly to influence the filtering effect.

In the present embodiment, as shown in fig. 2 and 4, a diversion pipe 18 is sleeved outside the sand conveying pipe 13, the upper end of the diversion pipe 18 is connected to the other end of the water inlet pipe 14, and a plurality of water spray pipes 15 are arranged outside the diversion pipe 18.

In the present embodiment, as shown in fig. 2 and 5, a plurality of nozzles 16 are provided below the spray pipe 15, the nozzles 16 are conical nozzles, a plurality of water outlet grooves 19 are provided on the nozzles 16, and a sand screen 20 is provided inside the water outlet grooves 19. The sand screen 20 prevents the quartz sand filter 22 from entering the showerhead 16.

In this embodiment, as shown in fig. 2, a sand fixing net 23 sleeved on the sand conveying pipe 13 is disposed above the quartz sand filter 22, and the sand fixing net 23 is in close contact with the inner wall of the filter housing 1. When the sewage is filtered, the sand fixing net 23 can prevent the quartz sand filter material from flowing out of the filtering shell.

In this embodiment, as shown in fig. 2, the lower end of the conveying pipe 12 penetrates through the sand fixing net 23.

In the present embodiment, as shown in fig. 1 and fig. 2, a water outlet pipe 9 is provided on the right side of the filter housing 1, and a flow meter 10 is provided on the water outlet pipe 9.

In the present embodiment, as shown in fig. 3, a knock out pipe 18 is provided on the rear side of the sand washer 3.

In this embodiment, as shown in fig. 1, the bracket 2 is provided with a sleeve hole 21, the filter housing 1 is sleeved on the bracket 2 through the sleeve hole 21, the lower end of the bracket 2 is provided with a plurality of support legs 11, and both sides of the bracket 2 are provided with fixing rods 8 fixedly connected with the filter housing 1.

As shown in fig. 1 to 6, the principle of the activated sand filter provided in this embodiment is as follows: the sewage is injected from the water inlet interface 7, then injected into the quartz sand 22 through the water distribution pipe 18, filtered and discharged through the water outlet pipe 9. During sand washing, the screw rod 20 conveys the dirty sand into the sand washer 3, and after washing, the dirty sand is conveyed into the filter housing 1 through the conveying pipe 12.

In summary, in the present embodiment, according to the active sand filter of the present embodiment, the active sand filter provided by the present embodiment uses the mechanical screw rod to convey the dirty sand into the sand washer 3 for cleaning, which helps to stabilize sand washing and prevents accumulation of the dirty sand. When the sewage is filtered, the sand fixing net 23 can prevent the quartz sand filter material 22 from flowing out of the filter shell 1. The inflow restriction 6 can prevent the water pressure of inflow from increasing suddenly to influence the filtering effect.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. An active sand filter is characterized by comprising a filter shell (1) and a bracket (2), a sand washer (3) is arranged at the upper end of the filtering shell (1), a motor (4) is arranged at the upper end of the sand washer (3), a sand conveying pipe (13) is arranged in the filtering shell (1), a screw rod (24) is arranged in the sand conveying pipe (13), the upper end of the screw rod (24) penetrates through the filtering shell (1) and the sand washer (3) and is fixedly connected with a power output shaft of the motor (4), the inside of the filtering shell (1) is filled with a quartz sand filter material (22), the lower end of the sand washer (3) is symmetrically provided with two conveying pipes (12) penetrating through the filtering shell (1), sand inlets (17) are formed in two sides of the lower end of the sand conveying pipe (13), and a water inlet pipe (14) is arranged on one side of the sand conveying pipe (13).

2. The activated sand filter as recited in claim 1, wherein the water inlet pipe (14) penetrates through the left side of the filter housing (1), the left side of the filter housing (1) is provided with a filter box (5) connected with the water inlet pipe (14), one end of the water inlet pipe (14) is provided with a water inlet interface (7), and the right side of the water inlet interface (7) is provided with a water inlet flow limiting piece (6) positioned on the water inlet pipe (14).

3. The activated sand filter as recited in claim 1, wherein a shunt pipe (18) is sleeved outside the sand conveying pipe (13), the upper end of the shunt pipe (18) is connected with the other end of the water inlet pipe (14), and a plurality of water spray pipes (15) are arranged outside the shunt pipe (18).

4. The activated sand filter as recited in claim 3, wherein a plurality of nozzles (16) are arranged on the lower side of the water spraying pipe (15), the nozzles (16) are conical nozzles, a plurality of water outlet grooves (19) are arranged on the nozzles (16), and a sand blocking net (20) is arranged inside the water outlet grooves (19).

5. The active sand filter as claimed in claim 1, characterized in that a sand fixing net (23) sleeved on the sand conveying pipe (13) is arranged above the quartz sand filter material (22), and the sand fixing net (23) is in close contact with the inner wall of the filter shell (1).

6. An activated sand filter as claimed in claim 5, characterised in that the lower end of the transfer tube (12) extends through the sand retention mesh (23).

7. An activated sand filter as claimed in claim 1, characterised in that the right side of the filter housing (1) is provided with an outlet pipe (9), the outlet pipe (9) being provided with a flow meter (10).

8. An activated sand filter according to claim 1, characterised in that the back side of the sand washer (3) is provided with a shunt pipe (18).

9. The activated sand filter as claimed in claim 1, wherein the bracket (2) is provided with a sleeve hole (21), the filter housing (1) is sleeved on the bracket (2) through the sleeve hole (21), the lower end of the bracket (2) is provided with a plurality of supporting legs (11), and both sides of the bracket (2) are provided with fixing rods (8) fixedly connected with the filter housing (1).