CN211411133U - A filter device for sewage treatment - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a filter device for sewage treatment. One end of the connecting rod is fixedly connected, the other end of the connecting rod penetrates the sealing plate and is fixedly connected to one end of the centrifugal cylinder, the outer side of the sealing plate is fixedly connected to the side wall of the inner cavity of the filter cartridge, and one side of the filter cartridge is connected to the side wall of the aqueduct. One end is throughly connected, and the other end of the water conduit is throughly connected with the input end of the booster pump. The filter device for sewage treatment is used in conjunction with aqueduct, booster pump, connecting pipe, straight pipe, live pipe joint and spray rod, so that the filter cartridge can be used to extract the filter cartridge through the booster pump while treating the sewage. The inner filtered water is pressurized and transported to the spray bar through the connecting pipe and straight pipe, and the filter screen is spray-washed to remove the sundries on the filter screen.

Description

A filter device for sewage treatment

technical field

The utility model relates to the technical field of sewage treatment, in particular to a filter device for sewage treatment.

Background technique

Sewage treatment is a process of purifying sewage so that it can meet the water quality requirements for discharge into a body of water or for reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is increasingly entering the daily life of ordinary people.

In existing sewage treatment, filter cartridges are often used to perform preliminary filtration of sewage. Filters are often installed in the filter cartridges to filter pollutants in the sewage. During the filtration process, the filters will form pollutants due to the passage of time. Therefore, in the process of sewage treatment, it is necessary to stop the sewage treatment work after a certain period of time, and manually disassemble the filter screen for cleaning, which is time-consuming and labor-intensive.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a filter device for sewage treatment, which has the advantages of good filtering effect, and can clean the filter screen while working, solves the problem that the filter screen cannot be continuously filtered due to clogging, and reduces the The problem of sewage filtration efficiency.

The utility model provides the following technical solutions: a filter device for sewage treatment, comprising a filter cartridge, a motor is fixedly installed on the top of the filter cartridge, and the output end of the motor penetrates the top of the filter cartridge and is fixedly connected with one end of a connecting rod , the other end of the connecting rod penetrates the sealing plate and is fixedly connected to one end of the centrifuge cylinder, the outer side of the sealing plate is fixedly connected to the side wall of the inner cavity of the filter cartridge, and one side of the filter cartridge is throughly connected to one end of the water conduit, The other end of the water conduit is connected to the input end of the booster pump, the bottom of the booster pump is fixedly mounted on one side of the mounting plate, and the other side of the mounting plate is fixedly mounted on one side outside the filter cartridge , the output end of the booster pump is connected with one end of the connecting pipe, the other end of the connecting pipe penetrates one side of the filter cartridge and is connected with one end of the straight pipe, and the middle part of the bottom end of the straight pipe passes through the live pipe joint It is movably connected with the middle of the top of the spray rod, the inner cavity of the filter cartridge is fixedly installed with a filter screen located directly below the spray rod, and the bottom of the inner cavity of the filter cartridge is provided with a filter pool located under the filter screen. The bottom end is throughly connected with one end of the slag discharge pipe, the other end of the slag discharge pipe is throughly connected with the top of the slag discharge box, one side of the filter tank is throughly connected with one end of the water inlet pipe, and the other end of the filter cartridge is throughly connected with one end of the water inlet pipe. A secondary filter box is fixedly installed on the side, the top of the secondary filter box is fixedly connected with one end of the drainage pipe, and a water outlet pipe is fixedly installed on one side of the secondary filter box.

Preferably, a solenoid valve is fixedly installed on the outside of the water conduit, the connecting pipe, the slag discharge pipe, the water inlet pipe, and the water outlet pipe.

Preferably, the other end of the straight tube is fixedly connected to the other side of the inner cavity of the filter cartridge, and the straight tube is located below the centrifuge cartridge and does not touch.

Preferably, the shape of the spray rod is a cross, and the maximum length of the spray rod is smaller than the diameter of the inner cavity of the filter cartridge, and the bottom of the spray rod is provided with evenly distributed spray holes.

Preferably, the inner cavity of the secondary filter box is provided with an activated carbon adsorption layer and a silica gel adsorption layer, and the activated carbon adsorption layer and the silica gel adsorption layer in the inner cavity of the secondary filter box are alternately distributed.

Preferably, the other end of the drain pipe penetrates one side of the filter cartridge and extends to the inner cavity of the filter cartridge, and the end of the drain pipe extending to the inner cavity of the filter cartridge is located below the sealing plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. The filter device for sewage treatment is used in conjunction with aqueduct, booster pump, connecting pipe, straight pipe, flexible pipe joint and spray rod, so that the filter cartridge can be pumped through the booster pump while treating the sewage. The filtered water in the filter cartridge is pressurized and transported to the spray bar through the connecting pipe and the straight pipe, and the filter screen is sprayed to remove the sundries on the filter screen;

2. The filter device for sewage treatment is used in conjunction with the water inlet pipe and the secondary filter box. The sewage after primary filtration enters the secondary filter box through the water inlet pipe, and is absorbed by the activated carbon adsorption layer and the silica gel adsorption layer in the secondary filter box. Filter again to remove pigments and odors in the sewage, further improving the filtering effect.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic top view sectional view of the structure of the utility model.

Figure 3 is a schematic diagram of a secondary filter box with a structure of the present invention.

In the figure: 1. Filter cartridge; 2. Motor; 3. Connecting rod; 4. Sealing plate; 5. Centrifugal cylinder; 6. Water conduit; 7. Booster pump; 8. Mounting plate; 9. Connecting pipe; 10. Straight pipe; 11, flexible pipe joint; 12, spray rod; 13, filter screen; 14, filter tank; 15, slag discharge pipe; 16, slag discharge box; 17, water inlet pipe; 18, secondary filter box; 19, Drain pipe; 20. Outlet pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-3, a filter device for sewage treatment, including a filter cartridge 1, a motor 2 is fixedly installed on the top of the filter cartridge 1, and the output end of the motor 2 penetrates the top of the filter cartridge 1 and is fixed with one end of the connecting rod 3 Connection, the other end of the connecting rod 3 penetrates the sealing plate 4 and is fixedly connected with one end of the centrifugal cylinder 5, the outer side of the sealing plate 4 is fixedly connected with the side wall of the inner cavity of the filter cartridge 1, and one side of the filter cartridge 1 is connected with the side wall of the water conduit 6. One end is connected through, the water conduit 6, the connecting pipe 9, the slag discharge pipe 15, the water inlet pipe 17, and the outside of the water outlet pipe 20 are all fixedly installed with solenoid valves, and the other end of the water conduit 6 is connected to the input end of the booster pump 7 through , the bottom of the booster pump 7 is fixedly installed on one side of the mounting plate 8, the other side of the mounting plate 8 is fixedly mounted on one side outside the filter cartridge 1, and the output end of the booster pump 7 is connected to one end of the connecting pipe 9 through , the other end of the connecting pipe 9 penetrates one side of the filter cartridge 1 and is connected with one end of the straight pipe 10, the other end of the straight pipe 10 is fixedly connected with the other side of the inner cavity of the filter cartridge 1, and the straight pipe 10 is located in the centrifugal cylinder 5 Below and without contact, the pressurized water flow is transported to the spray rod 12 by the diversion of the straight pipe 10. The middle of the bottom end of the straight pipe 10 is movably connected with the middle of the top of the spray rod 12 through the live pipe joint 11. The spray rod 12 The shape of the spray rod 12 is cross-shaped, and the maximum length value of the spray rod 12 is less than the diameter value of the inner cavity of the filter cartridge 1. The bottom of the spray rod 12 is provided with evenly distributed spray holes. The impurities on the net 13 are removed, the inner cavity of the filter cartridge 1 is fixedly installed with the filter screen 13 located directly below the spray bar 12, and the bottom of the inner cavity of the filter cartridge 1 is provided with a filter pool 14 located under the filter screen 13, and the filter pool 14 The bottom end is connected with one end of the slag discharge pipe 15, the other end of the slag discharge pipe 15 is connected with the top of the slag discharge box 16, one side of the filter tank 14 is connected with one end of the water inlet pipe 17, and the other end of the filter cartridge 1 is connected with each other. A secondary filter box 18 is fixedly installed on one side, and the inner cavity of the secondary filter box 18 is provided with an activated carbon adsorption layer and a silica gel adsorption layer, and the activated carbon adsorption layer and the silica gel adsorption layer in the inner cavity of the secondary filter box 18 are alternately distributed. The distributed activated carbon adsorption layer and silica gel adsorption layer adsorb the pigments and peculiar smells in the water after the primary treatment. The end of the drain pipe 19 extending to the inner cavity of the filter cartridge 1 is located below the sealing plate 4 to ensure that the water after primary filtration can enter the secondary filter box 18 without affecting the sealing The sealing effect of the plate 4, and the water outlet pipe 20 is fixedly installed on one side of the secondary filter box 18.

Working principle, first, open the solenoid valve on the water inlet pipe 17, the slag discharge pipe 15 and the water outlet pipe 20, the sewage enters the filter tank 14 through the water inlet pipe 17, and the motor 2 starts to work at the same time, and the centrifugal cylinder 5 is driven to rotate by the connecting rod 3, Filter the sewage, when the filter screen 13 is blocked, open the solenoid valve on the water conduit 6 and the connecting pipe 9, the booster pump 7 starts to work, and the water flow above the filter cartridge 1 is pumped through the water conduit 6 to the booster pump 7. After the internal pressurization, the connecting pipe 9 and the straight pipe 10 are transported to the spray bar 12 to clean the filter screen 13. The cleaned impurities are deposited into the slag box 16 along the slag discharge pipe 15, and the filtered water passes through the drain pipe. 19 enters the secondary filter box 18 and is discharged from the water outlet pipe 20 after being filtered again.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed other elements, or also include elements inherent to this process, method, article or device, and in the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "Length", "Width", "Thickness", "Top", "Bottom", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", " The orientation or positional relationship indicated by "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description. , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model, and the pattern filling in the present utility model is only for the convenience of Distinguish different structures without necessarily requiring or implying that the filled-in part has a special meaning.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A filtering device for sewage treatment, comprising a filtering cartridge (1), characterized in that: the utility model discloses a centrifugal filter, including filter tube (1), the top fixed mounting who strains filter tube (1) has motor (2), the output of motor (2) run through the top of straining filter tube (1) and with the one end fixed connection of connecting rod (3), the other end of connecting rod (3) run through closing plate (4) and with the one end fixed connection of centrifuge bowl (5), the lateral wall fixed connection of closing plate (4) outside and straining filter tube (1) inner chamber, the one side of straining filter tube (1) and the one end through connection of aqueduct (6), the other end of aqueduct (6) and the input through connection of booster pump (7), the bottom fixed mounting of booster pump (7) is in one side of mounting panel (8), the opposite side fixed mounting of mounting panel (8) is in the outside one side of straining filter tube (1), the output of booster pump (7) and the one end through connection of connecting pipe (9), the other end of connecting pipe (9) runs through one side of straining filter tube (1) The middle part of the bottom end of the straight pipe (10) is movably connected with the middle part of the top end of the spray rod (12) through a movable pipe joint (11), a filter screen (13) positioned right below the spray rod (12) is fixedly arranged in the inner cavity of the filter cylinder (1), and the bottom of the inner cavity of the filter cylinder (1) is provided with a filter tank (14) positioned below the filter screen (13), the bottom end of the filter tank (14) is communicated with one end of the slag discharge pipe (15), the other end of the slag discharging pipe (15) is communicated with the top of the slag discharging box (16), one side of the filtering tank (14) is communicated with one end of the water inlet pipe (17), the other side of the filter cylinder (1) is fixedly provided with a secondary filter tank (18), the top of the secondary filter tank (18) is fixedly connected with one end of a drain pipe (19), and one side of the secondary filter tank (18) is fixedly provided with a water outlet pipe (20).

2. A sewage treatment filter unit according to claim 1, characterised in that: the water guide pipe (6), the connecting pipe (9), the slag discharge pipe (15), the water inlet pipe (17) and the water outlet pipe (20) are all fixedly provided with electromagnetic valves.

3. A sewage treatment filter unit according to claim 1, characterised in that: the other end of the straight pipe (10) is fixedly connected with the other side of the inner cavity of the filter cylinder (1), and the straight pipe (10) is positioned below the centrifugal cylinder (5) and is not contacted.

4. A sewage treatment filter unit according to claim 1, characterised in that: the shape of spray lance (12) is the cross, and the maximum length value of spray lance (12) is less than the diameter value of straining a section of thick bamboo (1) inner chamber, the bottom of spray lance (12) is equipped with evenly distributed's orifice.

5. A sewage treatment filter unit according to claim 1, characterised in that: the inner chamber of secondary filter case (18) is equipped with active carbon adsorption layer and silica gel adsorbed layer, and the active carbon adsorption layer and the crisscross distribution of silica gel adsorbed layer of secondary filter case (18) inner chamber.

6. A sewage treatment filter unit according to claim 1, characterised in that: the other end of the drain pipe (19) penetrates through one side of the filter cylinder (1) and extends to the inner cavity of the filter cylinder (1), and one end, extending to the inner cavity of the filter cylinder (1), of the drain pipe (19) is located below the sealing plate (4).

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