CN222804758U

CN222804758U - A modular shallow sand filtration device

Info

Publication number: CN222804758U
Application number: CN202421502746.8U
Authority: CN
Inventors: 孟艳锋; 李仁磊
Original assignee: Jinan Fumide Environmental Protection Technology Co ltd
Current assignee: Jinan Fumide Environmental Protection Technology Co ltd
Priority date: 2024-06-28
Filing date: 2024-06-28
Publication date: 2025-04-29
Anticipated expiration: 2034-06-28

Abstract

The utility model provides a modularized shallow sand filtering device, which relates to the technical field of water treatment and comprises a shell, a three-way valve arranged at the upper end of the shell, and a sealing box, wherein the sealing box is fixed in the shell and is close to the upper end, hollow brackets are arranged at equal intervals on the outer side of the sealing box, an annular gas pipe communicated with the hollow brackets is arranged on the outer side of the shell, and an air pump communicated with the annular gas pipe is arranged on the outer side of the shell. According to the modularized shallow sand filtering device, in the back flushing process, the hollow shaft drives the first arc-shaped pipe and the second arc-shaped pipe to rotate, so that the packing inside the shell is loosened, the resistance during water back flushing is reduced, air is injected into the hollow shaft through the air pump, the annular air delivery pipe, the hollow support and the sealing box, air is injected into the packing through the arrangement of the first arc-shaped pipe, the second arc-shaped pipe and the exhaust cap, and therefore the assisted back flushing water goes upwards, impurities in the packing are discharged along with bubbles, and the back flushing effect is improved.

Description

Modularized shallow sand filtering device

Technical Field

The utility model relates to the field of water treatment, in particular to a modularized shallow sand filtering device.

Background

The shallow medium filter is high-efficiency filtering equipment which uses quartz sand as a filtering medium, filters water with high turbidity through granular or non-granular quartz sand with a certain thickness under a certain pressure, effectively intercepts and removes suspended matters, organic matters, colloid particles, microorganisms, chlorine, smell, partial heavy metal ions and the like in the water, and finally achieves the effects of reducing the turbidity of the water and purifying the water quality.

In Chinese patent publication No. CN212594177U, a shallow sand filter with a bypass pressure reducing device is disclosed, the device is fully matched with a water distributor, uniformly distributes water, has high filtering flow rate and high efficiency, forms internal circulation during back flushing, and does not run sand.

However, clean water is sprayed from bottom to top during back flushing, and the flushing force of the water is gradually weakened from bottom to top, so that impurities adhered to the filler cannot be effectively cleaned.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a modularized shallow sand filtering device, which solves the problems raised by the background technology.

The modularized shallow sand filtering device comprises a shell, a three-way valve arranged at the upper end of the shell, a sealing box, hollow brackets, an air pump, a hollow shaft, a perforated plate and a packing, wherein the sealing box is fixed in the shell and is close to the upper end, the hollow brackets are arranged on the outer side of the sealing box at equal intervals, the annular air pipe communicated with the hollow brackets is arranged on the outer side of the shell, the air pump communicated with the annular air pipe is arranged on the outer side of the shell, the hollow shaft is rotatably arranged at the lower end of the sealing box, the upper end of the hollow shaft extends to the inside of the sealing box and is provided with an opening, the perforated plate is fixed at the position, close to the sealing box, of the outer side of the hollow shaft, the packing is arranged below the perforated plate in the shell, the lower end of the hollow shaft extends to the inside of the packing and is provided with a first arc pipe, the outer wall of the hollow shaft is provided with a second arc pipe, and exhaust caps are arranged on the first arc pipe and the second arc pipe.

As a further technical scheme of the utility model, a motor is fixed on the outer side of the shell, a driving shaft is arranged at the output end of the motor, and a brush cylinder propped against the upper surface of the porous plate is arranged on the outer side of the driving shaft.

As a further technical scheme of the utility model, one end of the driving shaft extends into the sealing box and is fixedly provided with a first bevel gear, and a second bevel gear meshed with the first bevel gear is fixedly sleeved on the outer side of the hollow shaft at the position of the inner side of the sealing box.

As a further technical scheme of the utility model, the inner wall of the shell is provided with a track, and the outer edge of the porous plate is connected with the track in a sliding way.

As a further technical scheme of the utility model, a water distributor is fixed at the inner top end of the shell and is communicated with the outlet of the three-way valve, an original water pipe is arranged at the inlet of the three-way valve, and a drain pipe is arranged at the bypass port of the three-way valve.

As a further technical scheme of the utility model, the bottom of the shell is provided with the water collector which is rotationally connected with the hollow shaft, the water collector is uniformly provided with the water collecting caps, and the lower end of the water collector penetrates through the shell and is provided with the water outlet pipe.

The utility model provides a modularized shallow sand filtering device, which has the following beneficial effects compared with the prior art:

According to the modularized shallow sand filtering device, in the back flushing process, the hollow shaft drives the first arc-shaped pipe and the second arc-shaped pipe to rotate, so that the packing inside the shell is loosened, the resistance during water back flushing is reduced, air is injected into the hollow shaft through the air pump, the annular air delivery pipe, the hollow support and the sealing box, air is injected into the packing through the arrangement of the first arc-shaped pipe, the second arc-shaped pipe and the exhaust cap, and therefore the assisted back flushing water goes upwards, impurities in the packing are discharged along with bubbles, and the back flushing effect is improved.

Drawings

FIG. 1 is a schematic diagram of a modular shallow sand filter assembly;

FIG. 2 is a schematic view of the internal structure of a modular shallow sand filter device;

FIG. 3 is a schematic view of a mounting structure of a brush vessel in a modular shallow sand filter device;

fig. 4 is a schematic view of the internal structure of a seal box in a modular shallow sand filter device.

In the figure, 1, a shell, 2, a water outlet pipe, 3, a raw water pipe, 4, a blow-down pipe, 5, a three-way valve, 6, an annular gas pipe, 7, an air pump, 8, a motor, 9, a water collector, 10, a water collecting cap, 11, a water distributor, 12, a hollow bracket, 13, a sealing box, 14, a porous plate, 15, a hollow shaft, 16, a first arc-shaped pipe, 17, a second arc-shaped pipe, 18, an exhaust cap, 19, a driving shaft, 20, a brush barrel, 21, a first bevel gear, 22 and a second bevel gear.

Detailed Description

The technical solutions of 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, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to FIGS. 1-4, the utility model provides a modularized shallow sand filtering device, which comprises a shell 1, a three-way valve 5 arranged at the upper end of the shell 1, and a sealing box 13, wherein the sealing box 13 is fixed in the shell 1 near the upper end, hollow brackets 12 are arranged at equal intervals on the outer side of the sealing box 13, an annular gas pipe 6 communicated with the hollow brackets 12 is arranged on the outer side of the shell 1, and an air pump 7 communicated with the annular gas pipe 6 is arranged on the outer side of the shell 1;

In addition, this embodiment still includes hollow shaft 15, and hollow shaft 15 rotates to install in seal box 13 lower extreme, and hollow shaft 15 upper end extends to the inside and be equipped with the opening of seal box 13, and the outside of hollow shaft 15 is close to seal box 13 position department and is fixed with perforated plate 14, is equipped with the packing in the below that is located perforated plate 14 in the shell 1, and hollow shaft 15 lower extreme extends to the packing inside and installs first arctube 16, and hollow shaft 15 outer wall is located the outside of first arctube 16 still is provided with second arctube 17, all is equipped with exhaust cap 18 on first arctube 16 and the second arctube 17.

In this embodiment, the hollow shaft 15 is used to rotate the first arc tube 16 and the second arc tube 17, so that the filler is loosened, the resistance during water backflushing is reduced, air is input into the annular air delivery tube 6 through the air pump 7, the air is input into the seal box 13 under the arrangement of the hollow support 12, the air in the seal box 13 is further input into the first arc tube 16 and the second arc tube 17 through the hollow shaft 15, and is further discharged through the exhaust cap 18, so that the air can be injected into the filler, the assisted backflushing water is upward, impurities in the filler can be discharged along with bubbles, and the backflushing effect is improved.

As shown in fig. 1 and 3, in this embodiment, a motor 8 is fixed on the outer side of a central control housing 1, a driving shaft 19 is installed at the output end of the motor 8, a brush drum 20 propped against the upper surface of a porous plate 14 is arranged on the outer side of the driving shaft 19, and impurities on the surface of the porous plate 14 are cleaned through cooperation between the brush drum 20 and the porous plate 14.

As shown in fig. 3 and 4, in order to further realize the driving of the hollow shaft 15, a first bevel gear 21 is fixed to one end of the driving shaft 19 extending into the sealing box 13, a second bevel gear 22 engaged with the first bevel gear 21 is fixedly sleeved on the outer side of the hollow shaft 15 at the inner position of the sealing box 13, the first bevel gear 21 is rotated under the driving of the driving shaft 19, and the hollow shaft 15 is rotated by the engagement of the first bevel gear 21 and the second bevel gear 22.

As shown in fig. 2, in order to facilitate the rotation of the porous plate 14, a rail is provided on the inner wall of the housing 1, and the outer edge of the porous plate 14 is slidably connected to the rail.

As shown in fig. 1 and 2, a water distributor 11 is fixed at the inner top end of the shell 1, the water distributor 11 is communicated with the outlet of the three-way valve 5, the raw water pipe 3 is installed at the inlet of the three-way valve 5, a drain pipe 4 is arranged at the bypass port of the three-way valve 5, and the three-way valve 5 is arranged to realize the output of impurities.

As shown in fig. 2, in order to realize the discharge of purified water, a water collector 9 is installed at the bottom of the housing 1, the water collector 9 is rotatably connected with a hollow shaft 15, water collecting caps 10 are uniformly arranged on the water collector 9, and the lower end of the water collector 9 penetrates through the housing 1 and is provided with a water outlet pipe 2 so as to facilitate the output of purified water.

The utility model has the working principle that when the novel spiral-type air pump is used, the sewage drain pipe 4 is closed through the three-way valve 5, raw water stretches into the shell 1 from the raw water pipe 3, raw water filtration is realized through the porous plate 14 and the filler, the filtered water flows into the water outlet pipe 2 under the arrangement of the water collecting cap 10 and the water collector 9, thereby discharging purified water, when in back flushing, the raw water pipe 3 is closed through the three-way valve 5, purified water is input into the bottom of the shell 1, the motor 8 is started to enable the driving shaft 19 to rotate, so that the hairbrush drum 20 is driven to rotate, the first bevel gear 21 is driven to rotate under the driving of the driving shaft 19, the hollow shaft 15 is further driven to rotate through the meshing of the first bevel gear 21 and the second bevel gear 22, the porous plate 14 is further driven to rotate through the cooperation between the porous plate 14 and the hairbrush drum 20, the filler can be prevented from blocking the porous plate 14, in addition, the hollow shaft 15 is driven to rotate the first arc tube 16 and the second arc tube 17, thereby loosening the filler, the resistance during back flushing is reduced, air is input into the annular tube 6 through the air pump 7, the air is input into the air box under the arrangement of the hollow bracket 12, the air box is further driven to rotate the hollow bracket 12, the air box 13 is driven to rotate the hollow bevel gear 15, and the air is further blown into the hollow arc tube 13, and the air can be discharged into the hollow arc tube 13 along with the air box by the sealing the air, and the air box is further blown into the hollow air box, and the air is further sealed by the air, and the air is discharged into the air, and the air is filled into the air, and is filled into the air and has air and is filled.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.

Claims

1. The utility model provides a modularization shallow sand filter equipment, includes shell (1), sets up three-way valve (5) in shell (1) upper end, its characterized in that still includes:

The sealing box (13), the sealing box (13) is fixed in the housing (1) and is close to the upper end, hollow brackets (12) are arranged at equal intervals on the outer side of the sealing box (13), an annular gas pipe (6) communicated with the hollow brackets (12) is arranged on the outer side of the housing (1), and an air pump (7) communicated with the annular gas pipe (6) is arranged on the outer side of the housing (1);

The hollow shaft (15), the hollow shaft (15) rotates and installs in seal box (13) lower extreme, and hollow shaft (15) upper end extends to inside and the being equipped with of seal box (13), the hollow shaft (15) outside is close to seal box (13) position department and is fixed with perforated plate (14), be located the below of perforated plate (14) in shell (1) and be equipped with the filler, hollow shaft (15) lower extreme extends to the filler inside and installs first arctube (16), and hollow shaft (15) outer wall is located first arctube (16) outside and still is provided with second arctube (17), all be equipped with exhaust cap (18) on first arctube (16) and second arctube (17).

2. The modularized shallow sand filtering device according to claim 1, wherein a motor (8) is fixed on the outer side of the shell (1), a driving shaft (19) is installed at the output end of the motor (8), and a brush cylinder (20) propped against the upper surface of the porous plate (14) is arranged on the outer side of the driving shaft (19).

3. A modular shallow sand filter device according to claim 2, characterized in that one end of the driving shaft (19) extends into the sealing box (13) and is fixed with a first bevel gear (21), and a second bevel gear (22) meshed with the first bevel gear (21) is fixedly sleeved on the outer side of the hollow shaft (15) at the inner position of the sealing box (13).

4. A modular shallow sand filter according to claim 3, characterized in that the inner wall of the housing (1) is provided with rails, and the outer edge of the porous plate (14) is slidingly connected with the rails.

5. The modularized shallow sand filtering device according to claim 4, wherein a water distributor (11) is fixed at the inner top end of the shell (1), the water distributor (11) is communicated with the outlet of the three-way valve (5), the raw water pipe (3) is installed at the inlet of the three-way valve (5), and the drain pipe (4) is arranged at the bypass port of the three-way valve (5).

6. A modular shallow sand filter according to any one of claims 1-5, characterized in that the bottom of the housing (1) is provided with a water collector (9), the water collector (9) is rotationally connected with the hollow shaft (15), the water collector (9) is uniformly provided with a water collecting cap (10), and the lower end of the water collector (9) penetrates through the housing (1) and is provided with a water outlet pipe (2).