CN222305050U - Rotary drum type micro-filtration equipment for sewage pretreatment - Google Patents

Abstract

The utility model belongs to the technical field of sewage treatment equipment, in particular to rotary drum type micro-filtration equipment for sewage pretreatment, which aims at solving the problems that impurities on the inner wall of a filter screen are inconvenient to clean and discharge, and the meshes of the filter screen are easy to be blocked by the impurities, thereby influencing the filtration effect, the utility model discloses a sewage treatment device, including cavity cylinder skeleton, water receiving seat, annular spout, hollow cylinder skeleton, the fixed spiral blowdown blade that is used for guiding dirt exhaust that is provided with on the inner wall of cavity cylinder skeleton, the below of cavity cylinder skeleton is provided with the water receiving seat, the four corners at water receiving seat top is all fixed to be provided with the gyro wheel, the cavity cylinder skeleton is through the annular spout roll-on the outer wall on four gyro wheels. The utility model realizes the functions of high-efficiency filtration, automatic flushing, spiral sewage discharge and the like through the unique structural design, improves the efficiency and effect of sewage pretreatment, and provides a high-efficiency and convenient solution for sewage treatment.

Description

Rotary drum type micro-filtration equipment for sewage pretreatment

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to rotary drum type micro-filtration equipment for sewage pretreatment.

Background

The rotary drum type micro-filtration equipment is equipment for solid-liquid separation, and is suitable for separating and filtering fine particle materials. It is generally composed of filter material container, drum filter medium and drive unit. When the device works, liquid to be treated passes through the filter material container, passes through the rotary drum filter medium, solid particles are filtered out on the filter material, and the liquid flows out of the device, so that the purpose of solid-liquid separation is realized. In wastewater treatment, rotary drum microfiltration devices are often used as part of wastewater pretreatment to remove larger particulate matter, such as suspended solids, sediment, etc., from the wastewater.

Through retrieving, the rotary drum type impurity filtering equipment disclosed in the patent with the bulletin number of CN214019566U comprises a bracket, a filter screen, a barrel holder, a fixed shaft, a base, a fixed frame, a first guide rail, an upper sealing plate, a fixed seat, a second guide rail, a connecting frame, a lower sealing plate, a supporting block and a groove, wherein the left side of the bracket is movably connected with the barrel holder, the inner side of the barrel holder is fixedly connected with the filter screen, the left side of the barrel holder is fixedly connected with the fixed shaft, and the top of the base is provided with the groove.

The rotary drum type impurity filtering equipment realizes the purpose of convenient automatic opening and closing, but impurities on the inner wall of the filter screen are inconvenient to clean and discharge, so that the meshes of the filter screen are easy to be blocked by the impurities, and the filtering effect is influenced.

In view of the above problems, the present document proposes a rotary drum type microfiltration device for wastewater pretreatment.

Disclosure of utility model

The utility model provides rotary drum type micro-filtration equipment for sewage pretreatment, which solves the defects that impurities on the inner wall of a filter screen are inconvenient to clean and discharge, and the meshes of the filter screen are easy to be blocked by the impurities, so that the filtering effect is affected in the prior art.

The utility model provides the following technical scheme:

a rotary drum type microfiltration apparatus for pretreatment of sewage, comprising:

The device comprises a hollow roller framework, wherein a plurality of filter screens are embedded in the surface of the hollow roller framework, spiral pollution discharge blades for guiding dirt to be discharged are fixedly arranged on the inner wall of the hollow roller framework, a water receiving seat is arranged below the hollow roller framework, idler wheels are fixedly arranged at four corners of the top of the water receiving seat, the hollow roller framework is arranged on the four idler wheels in a rolling manner through annular sliding grooves on the outer wall, and a drain pipe communicated with the input end of other equipment is arranged on one side of the water receiving seat;

An annular plugging plate is fixedly arranged at one end of the hollow roller framework, a mounting frame is fixedly arranged at one side of the outer wall of the water receiving seat, a water inlet pipe for accessing sewage is fixedly arranged at the top of the mounting frame, and the water inlet pipe penetrates through a hollow area of the annular plugging plate and extends into the hollow roller framework;

the driving assembly is arranged on the mounting frame and used for driving the hollow roller framework to rotate;

And the flushing assembly is arranged on the water receiving seat and is used for flushing impurities blocking the filter screen from outside to inside so that the impurities can be discharged out of the hollow roller framework along with the rotation of the spiral sewage discharging blades, and the filtering effect of the filter screen is ensured.

In one possible design, the driving assembly comprises a driving motor fixedly mounted on the top of the mounting frame, an output shaft of the driving motor is fixedly connected with a driving gear, a hollow gear is fixedly arranged at the other end of the annular plugging plate, the water inlet pipe penetrates through the hollow gear, and the driving gear is meshed with the hollow gear.

In one possible design, the flushing assembly comprises a mounting tube fixedly arranged at the top of the water receiving seat, a plurality of flushing nozzles are communicated on the mounting tube at equal intervals, and the flushing nozzles are arranged in an upward inclined manner.

In one possible design, a booster water pump is arranged outside the water receiving seat, the input end of the booster water pump is communicated with the inner wall of the water receiving seat through a water suction pipe, and the output end of the booster water pump is communicated with the inner wall of the installation pipe through a water delivery pipe.

In one possible design, a dirt receiving table is arranged on one side of the outer wall of the water receiving seat, and the dirt receiving table and the non-closed end of the hollow roller framework are positioned on the same side.

In one possible design, a baffle for guiding dirt collection is fixedly arranged on the top of the dirt receiving table.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

In the application, the specific working procedure is as follows:

Starting a driving motor, driving the hollow roller framework to start rotating through the meshing of the driving gear and the hollow gear, simultaneously opening a water inlet pipe, introducing sewage to be treated into the hollow roller framework, filtering the sewage in the hollow roller framework through a filter screen, intercepting large-particle impurities by the filter screen, enabling clear water to flow into a water receiving seat through the filter screen, gradually guiding dirt intercepted on the filter screen to an unclosed end of the roller to be discharged along with the rotation of the roller by a spiral pollution discharge blade, accumulating the clear water filtered by the filter screen in the water receiving seat, and discharging the clear water through a water discharging pipe for subsequent treatment equipment;

When the filter screen is required to be washed, the booster water pump is started, clean water in the water receiving seat is sucked into the booster water pump through the water suction pipe, the pressurized clean water is fed into the installation pipe through the water delivery pipe, the washing nozzle sprays high-pressure water flow, the filter screen is washed from outside to inside, impurities attached to the filter screen are washed down, and the washed-down impurities are discharged from the non-closed end of the roller along with the rotation of the spiral pollution discharge blade and fall onto the pollution receiving table.

The utility model has the following beneficial effects:

the equipment is provided with a flushing component, so that the filter screen can be automatically flushed at regular intervals, the filter screen is prevented from being blocked, and the continuous and stable filtering effect is ensured;

Spiral pollution discharge, namely, through the design of the spiral pollution discharge blades, dirt trapped on the filter screen can be smoothly discharged, so that the workload of manual cleaning is reduced;

The operation is simple, the whole treatment process can be completed only by controlling the operation of the motor and the booster water pump, and complex manual operation is not required;

In conclusion, the utility model realizes the functions of high-efficiency filtration, automatic flushing, spiral pollution discharge and the like through the unique structural design, improves the efficiency and effect of sewage pretreatment, and provides a high-efficiency and convenient solution for sewage treatment.

Drawings

Fig. 1 is a schematic perspective view of a drum type microfiltration device for pretreatment of sewage according to an embodiment of the present utility model;

Fig. 2 is a schematic view of another view angle structure of a drum type microfiltration device for pretreatment of sewage according to an embodiment of the present utility model;

Fig. 3 is a schematic diagram of a hollow drum skeleton structure of a drum type microfiltration device for wastewater pretreatment according to an embodiment of the present utility model;

Fig. 4 is a schematic diagram of the internal structure of a hollow drum skeleton of a drum type microfiltration device for wastewater pretreatment according to an embodiment of the present utility model.

Reference numeral 1, a hollow roller skeleton; 2, a filter screen, 3, a water receiving seat, 4, a roller, 5, an annular chute, 6, an annular plugging plate, 7, a hollow gear, 8, a mounting rack, 9, a driving motor, 10, a driving gear, 11, a water inlet pipe, 12, a water outlet pipe, 13, a spiral sewage discharging blade, 14, a sewage receiving table, 15, a baffle, 16, a booster water pump, 17, a mounting pipe, 18, a flushing nozzle, 19, a water delivery pipe, 20 and a water suction pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

Examples

Referring to fig. 1-4, the present application relates to the technical field of sewage treatment equipment, and in particular relates to a drum type microfiltration device for sewage pretreatment, which can efficiently pretreat sewage, ensure smoother subsequent treatment process, and improve overall treatment efficiency, and comprises:

The sewage treatment device comprises a hollow roller skeleton 1, wherein a plurality of filter screens 2 are embedded and installed on the surface of the hollow roller skeleton 1, the filter screens 2 are used for carrying out preliminary filtration on sewage to remove large particle impurities therein, spiral pollution discharge blades 13 are fixedly arranged on the inner wall of the hollow roller skeleton 1, and the blades can guide the sewage to be discharged along the inner wall of the roller when the roller rotates;

A water receiving seat 3 is arranged below the hollow roller framework 1 and used for collecting the clear water filtered by the filter screen 2, idler wheels 4 are fixedly arranged at four corners of the top of the water receiving seat 3, the hollow roller framework 1 is arranged on the four idler wheels 4 in a rolling way through annular sliding grooves 5 on the outer wall of the hollow roller framework 1, the hollow roller framework 1 can rotate smoothly, one side of the water receiving seat 3 is also communicated with a drain pipe 12 used for draining the filtered clear water to other treatment equipment;

in order to seal one end of the hollow roller skeleton 1 and enable the hollow roller skeleton 1 to rotate, an annular blocking plate 6 is fixedly arranged at one end of the hollow roller skeleton 1, meanwhile, a mounting frame 8 is fixedly arranged at one side of the outer wall of the water receiving seat 3, a water inlet pipe 11 is fixedly arranged at the top of the mounting frame 8, and the water inlet pipe 11 penetrates through the hollow area of the annular blocking plate 6 to extend into the hollow roller skeleton 1 and is used for introducing sewage to be treated into the roller;

the driving assembly is arranged to drive the hollow roller skeleton 1 to rotate, in the embodiment, a driving motor 9 fixedly arranged at the top of a mounting frame 8 is selected as a power source, an output shaft of the driving motor 9 is fixedly connected with a driving gear 10, a hollow gear 7 is fixedly arranged at the other end of the annular plugging plate 6, a water inlet pipe 11 penetrates through the hollow gear 7, the driving gear 10 is meshed with the hollow gear 7, and when the driving motor 9 is started, the hollow roller skeleton 1 is driven to rotate through gear transmission;

In order to ensure the filter effect of the filter screen 2, a flushing assembly is arranged, the assembly comprises a mounting pipe 17 fixedly arranged at the top of the water receiving seat 3, a plurality of flushing nozzles 18 are connected to the mounting pipe 17 at equal intervals and are arranged in an upward inclined mode so as to flush the surface of the filter screen 2 better during flushing, a booster pump 16 is arranged outside the water receiving seat 3 so as to provide enough flushing pressure, the input end of the booster pump is connected with the inner wall of the water receiving seat 3 through a water suction pipe 20, the output end of the booster pump is connected with the inner wall of the mounting pipe 17 through a water conveying pipe 19, when the filter screen 2 needs to be flushed, the booster pump 16 is started, clear water in the water receiving seat 3 is sprayed out through the flushing nozzles 18 after being pressurized, and impurities blocking filter holes on the filter screen 2 are flushed, so that the filter effect of the filter screen 2 is ensured.

Examples

Improvement on the basis of the first embodiment:

Referring to fig. 1-2, in order to collect the dirt discharged from the spiral dirt discharging blade 13 conveniently, a dirt collecting table 14 is disposed on one side of the outer wall of the water receiving seat 3 and is disposed on the same side as the non-closed end of the hollow drum frame 1, and a baffle 15 is fixedly disposed on the top of the dirt collecting table 14 for guiding the dirt to collect, so as to facilitate the subsequent cleaning work.

However, as well known to those skilled in the art, the working principles and wiring methods of the driving motor 9 and the booster pump 16 are common, which are all conventional means or common general knowledge, and will not be described herein in detail, and those skilled in the art can perform any optional matching according to their needs or convenience.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and the embodiments and features of the embodiments can be combined without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. A rotary drum type microfiltration apparatus for pretreatment of sewage, comprising:

the novel sewage treatment device comprises a hollow roller framework (1), wherein a plurality of filter screens (2) are embedded and mounted on the surface of the hollow roller framework (1), spiral sewage discharge blades (13) for guiding dirt discharge are fixedly arranged on the inner wall of the hollow roller framework (1), a water receiving seat (3) is arranged below the hollow roller framework (1), idler wheels (4) are fixedly arranged at four corners of the top of the water receiving seat (3), the hollow roller framework (1) is mounted on the four idler wheels (4) in a rolling mode through annular sliding grooves (5) on the outer wall, and a drain pipe (12) communicated with the input end of other equipment is communicated with one side of the water receiving seat (3);

An annular plugging plate (6) is fixedly arranged at one end of the hollow roller framework (1), a mounting frame (8) is fixedly arranged at one side of the outer wall of the water receiving seat (3), a water inlet pipe (11) for accessing sewage is fixedly arranged at the top of the mounting frame (8), and the water inlet pipe (11) penetrates through a hollow area of the annular plugging plate (6) and extends into the hollow roller framework (1);

the driving assembly is arranged on the mounting frame (8) and is used for driving the hollow roller framework (1) to rotate;

And the flushing assembly is arranged on the water receiving seat (3) and is used for flushing impurities blocking the filter screen (2) from outside to inside so that the impurities can be discharged out of the hollow roller framework (1) along with the rotation of the spiral pollution discharge blades (13) to ensure the filtering effect of the filter screen (2).

2. The rotary drum type micro-filtration device for sewage pretreatment according to claim 1, wherein the driving assembly comprises a driving motor (9) fixedly installed at the top of the installation frame (8), an output shaft of the driving motor (9) is fixedly connected with a driving gear (10), a hollow gear (7) is fixedly arranged at the other end of the annular plugging plate (6), the water inlet pipe (11) penetrates through the hollow gear (7), and the driving gear (10) is meshed with the hollow gear (7).

3. The rotary drum type micro-filtration device for sewage pretreatment according to claim 1, wherein the flushing assembly comprises a mounting pipe (17) fixedly arranged at the top of the water receiving seat (3), a plurality of flushing nozzles (18) are connected on the mounting pipe (17) at equal intervals, and the flushing nozzles (18) are arranged in an upward inclined mode.

4. A rotary drum type micro-filtration device for sewage pretreatment according to claim 3, characterized in that a booster pump (16) is arranged outside the water receiving seat (3), the input end of the booster pump (16) is communicated with the inner wall of the water receiving seat (3) through a water suction pipe (20), and the output end of the booster pump (16) is communicated with the inner wall of the installation pipe (17) through a water delivery pipe (19).

5. The rotary drum type micro-filtration device for sewage pretreatment according to claim 1, wherein one side of the outer wall of the water receiving seat (3) is provided with a sewage receiving table (14), and the sewage receiving table (14) and the non-closed end of the hollow drum skeleton (1) are positioned on the same side.

6. A drum type microfiltration device for pretreatment of sewage according to claim 5, characterized in that a baffle (15) for guiding the collection of dirt is fixedly provided on the top of said dirt receiving table (14).