CN218923900U

CN218923900U - Shallow medium filter with conveniently replaced sand filter layer

Info

Publication number: CN218923900U
Application number: CN202223159371.3U
Authority: CN
Inventors: 孟艳锋; 李仁磊; 李文秀
Original assignee: Jinan Fumide Environmental Protection Technology Co ltd
Current assignee: Jinan Fumide Environmental Protection Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-28
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of shallow sand filters, and discloses a shallow medium filter with a sand filtering layer convenient to replace. In the installation and use process, when the sand filter medium is fully washed and filled with impurities and needs to be backwashed, the transmission shaft is utilized to drive the stirring paddle to slowly stir and drive the sand filter medium, so that the sand filter medium can keep a dynamic moving state, impurities remained in the sand filter medium are comprehensively and reversely washed out under the impact of backwash water flow, and when the sand filter medium needs to be replaced, a worker only needs to open a switch of the discharge valve cover, and then the sand filter medium can be circularly discharged from the inside of the discharge valve cover under the dynamic stirring of the sand filter medium by the transmission shaft driving the stirring paddle.

Description

Shallow medium filter with conveniently replaced sand filter layer

Technical Field

The utility model relates to the technical field of shallow sand filters, in particular to a shallow medium filter with a sand filter layer convenient to replace.

Background

The shallow sand filter has the advantages of small backwash water consumption, convenient equipment installation, easy operation and the like, has two series of vertical and horizontal type according to different user requirements, is suitable for water quality treatment of industrial and civil circulating water systems, and is shown in the prior patent technology, for example: through searching, the Chinese patent net discloses a shallow sand filter (publication No. CN 211025262U), but aiming at the shallow sand filter adopted by the above publication patent and the existing market, the Chinese patent net has some defects: the existing shallow sand filter has automatic forward washing and backwashing functions, but during backwashing, water flow impact generated by backwashing cannot effectively drive the circulation of impurities in the filter sand, the impurities cannot flow out along with backwashing water comprehensively under the layer-by-layer accumulation of the filter sand, and when the filter sand is utilized for filtering, when the filter sand needs to be replaced, the tank body needs to be reversely buckled, and the filter sand can be poured out for replacement, so that the labor intensity is high. Accordingly, one skilled in the art would be able to provide a shallow media filter that facilitates replacement of a sand filter layer to address the problems set forth in the background section above.

Disclosure of Invention

The utility model aims to provide a shallow medium filter with a sand filter layer convenient to replace, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a conveniently change shallow layer medium filter of sand filtering layer, includes two sets of filter tanks, two sets of be provided with the braced frame between the filter tank, the grillage top of braced frame is provided with driving motor, two sets of filter tank's cavity is inside to all to have piled up the filter sand, and two sets of filter tank's cavity is inside just to all to be provided with the transmission shaft in the sand bed inboard of filter sand, the axostylus axostyle outside symmetry cover of transmission shaft is equipped with multiunit stirring rake, connect through the hold-in range between driving motor and the transmission shaft, two sets of filter tank's cavity inner wall is located the sand bed bottom position department of transmission shaft all is provided with the bustle pipe, the ring frame top symmetry of bustle pipe is connected with multiunit intake pipe.

As still further aspects of the utility model: the upper parts of the tank bodies of the two groups of filtering tanks are respectively connected with a water inlet pipe at the middle position, the water inlets of the water inlet pipes are communicated with a diversion water inlet pipeline, and the middle part of the pipeline of the diversion water inlet pipeline is provided with a water inlet valve;

the front sides of the tank bodies of the two groups of filtering tanks are provided with water outlet pipes which are communicated with the converging annular pipes at the bottom end positions, water outlets of the water outlet pipes are communicated with the diversion water outlet pipelines, and water outlet valves are arranged in the middle of the pipelines of the diversion water outlet pipelines.

As still further aspects of the utility model: the water inlet guide pipes are arranged in an annular symmetrical mode relative to the circle center of the converging annular pipe, and the water inlet guide pipes are symmetrically connected with the water inlet valve heads along the pipeline direction.

As still further aspects of the utility model: two groups of back flushing drain valves are symmetrically connected to two ends of the pipeline of the diversion water inlet pipeline, and two groups of back flushing water inlet valves are symmetrically connected to two ends of the pipeline of the diversion water outlet pipeline.

As still further aspects of the utility model: the bottom output of transmission shaft runs through the filter tank and is provided with synchronous pulley A, driving motor's output is provided with synchronous pulley B, synchronous pulley A passes through the hold-in range with synchronous pulley B and is connected.

As still further aspects of the utility model: the stirring paddles are arranged at equal intervals relative to the shaft lever direction of the transmission shaft.

As still further aspects of the utility model: the filter tank is characterized in that a feeding valve cover is arranged above the tank body of the filter tank and close to the front end, and a discharging valve cover is arranged below the tank body of the filter tank and close to the cone bottom.

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

1. in the installation and use process, when the sand filtering medium is full of impurities due to forward washing and needs to be backwashed, the transmission shaft is utilized to drive the stirring paddle to slowly stir and drive the sand filtering medium, so that the sand filtering medium can be kept in a dynamic moving state, and then the impurities remained in the sand filtering medium are comprehensively backwashed out under the impact of backwashed water flow.

2. In the utility model, when the sand filter medium is needed to be replaced in the process of filtering water flow by utilizing the sand filter medium, a worker only needs to open the switch of the discharging valve cover, then the sand filter medium is circularly discharged from the inside of the discharging valve cover under the dynamic stirring of the sand filter medium by the stirring paddle driven by the transmission shaft, and when the sand filter medium is discharged, the new sand filter medium can be fed by only opening the feeding valve cover, and the sand filter medium can be replaced without integrally reversing the filtering tank.

Drawings

FIG. 1 is a schematic illustration of a shallow media filter that facilitates replacement of a sand filter layer;

FIG. 2 is a schematic plan view of the interior of a shallow media filter for facilitating replacement of a sand filter layer;

FIG. 3 is a schematic plan view of the interior of a filter canister in a shallow media filter that facilitates replacement of a sand filter layer.

In the figure: 1. a filter tank; 2. a charging valve cover; 3. a support plate frame; 4. a driving motor; 5. a water inlet pipe; 6. a water inlet valve; 7. a diversion water inlet pipeline; 8. back flushing the drain valve; 9. a water outlet pipe; 10. a water outlet valve; 11. a branch water outlet pipeline; 12. backwashing water inlet valve; 13. filtering sand; 14. a transmission shaft; 15. stirring paddles; 16. a synchronous belt wheel A; 17. a synchronous belt; 18. a synchronous belt wheel B; 19. a confluence loop pipe; 20. a water inlet conduit; 21. a water inlet valve head; 22. and a discharge valve cover.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present utility model, a shallow medium filter for conveniently replacing a sand filtering layer includes two groups of filtering tanks 1, a water inlet pipe 5 is connected to a middle position above a tank body of the two groups of filtering tanks 1, a water inlet of the water inlet pipe 5 is communicated with a diversion water inlet pipe 7, a water inlet valve 6 is arranged in a middle portion of a pipeline of the diversion water inlet pipe 7, water outlet pipes 9 communicated with a confluence ring pipe 19 are arranged at bottom positions of front sides of tank bodies of the two groups of filtering tanks 1, water outlets of the water outlet pipes 9 are communicated with a diversion water outlet pipeline 11, a water outlet valve 10 is arranged in a middle portion of a pipeline of the diversion water outlet pipeline 11, when water is filtered by the shallow medium filter, a municipal pipe network is communicated with the water inlet valve 6, and meanwhile, equipment pipe network is communicated with the water outlet valve 10, after the communication is completed, a switch of the water inlet valve 6 and the water outlet valve 10 is opened, water is pumped into the diversion water inlet pipe 7 through the water inlet pipe 5, the interior of the filtering tank 1 is filtered by the sand 13, the sand filtering 13 can adopt materials such as quartz sand, and the water flows down through the water outlet pipe 9, and then flows down the diversion water outlet pipe 11 to the equipment through the water outlet valve 10.

The inner walls of the cavities of the two groups of filter tanks 1 are provided with converging annular pipes 19 at the bottom of the sand layer of the transmission shaft 14, a plurality of groups of water inlet guide pipes 20 are symmetrically connected above the annular frame of the converging annular pipes 19, the plurality of groups of water inlet guide pipes 20 are annularly and symmetrically arranged relative to the circle center of the converging annular pipes 19, and the plurality of groups of water inlet guide pipes 20 are symmetrically connected with a plurality of groups of water inlet valve heads 21 along the pipeline direction, when the shallow medium filter is utilized to filter water flow, water flow filtered by the sand filter 13 flows into the water inlet valve heads 21 under the pressure delivery of pressure, then flows into the converging annular pipes 19 through the water inlet guide pipes 20, and comprehensive guiding work is carried out on the water flow by utilizing the conduction water inlet of the plurality of groups of water inlet guide pipes 20.

Two groups of back flush drain valves 8 are symmetrically connected to two ends of a pipeline of the diversion water inlet pipeline 7, two groups of back flush water inlet valves 12 are symmetrically connected to two ends of a pipeline of the diversion water outlet pipeline 11, when the water flow is filtered by a shallow medium filter, the switch of the water inlet valve 6 and the water outlet valve 10 is sequentially closed when back flush cleaning work is needed, then the switch of the back flush water inlet valve 12 and the back flush drain valve 8 is opened, after the switch is opened, cleaning water is reversely pumped into the diversion water outlet pipeline 11 through the back flush water inlet valve 12, under the conduction of the water outlet pipe 9, the confluence ring pipe 19 and the multiple groups of water inlet pipes 20, back flush cleaning water is reversely pumped into the filter tank 1, back flush work is carried out on impurities in the filter sand 13, and the back flushed sewage is conducted with the diversion water inlet pipeline 7 through the water inlet pipe 5 and is discharged outside through the back flush drain valve 8.

The filter sand filter comprises two groups of filter tanks 1, a support plate frame 3 is arranged between the two groups of filter tanks 1, a driving motor 4 is arranged above the plate frame of the support plate frame 3, sand filter 13 is stacked in the chambers of the two groups of filter tanks 1, a transmission shaft 14 is arranged in the inner side of a sand layer opposite to the sand filter 13 in the chambers of the two groups of filter tanks 1, a plurality of groups of stirring paddles 15 are symmetrically sleeved on the outer side of a shaft rod of the transmission shaft 14, the driving motor 4 is connected with the transmission shaft 14 through a synchronous belt 17, a synchronous belt wheel A16 is arranged at the bottom output end of the transmission shaft 14 and penetrates through the filter tank 1, a synchronous belt wheel B18 is arranged at the output end of the driving motor 4, the synchronous belt wheel A16 is connected with the synchronous belt wheel B18 through the synchronous belt 17, the plurality of stirring paddles 15 are arranged at equal intervals relative to the shaft rod direction of the transmission shaft 14, the synchronous belt B18 is driven to rotate through the transit transmission of the synchronous belt 17, the synchronous belt A16 is driven to rotate, and then the transmission shaft 14 is driven to rotate, so that the plurality of groups of stirring paddles 15 are driven to rotate, and the filter sand filter 13 is slowly stirred and the impurities retained in the filter sand filter are washed out comprehensively under the impact of water flow.

The jar body top of filtration jar 1 is close to front end position department and is provided with reinforced valve gap 2, and the jar body below of filtration jar 1 is close to the position department of awl end and is provided with the valve gap 22 of unloading, in the use to shallow layer medium filter installation, when needs to carry out periodic replacement to filter sand 13, the staff only need open the switch of valve gap 22 of unloading, then under the dynamic stirring of transmission shaft 14 drive stirring rake 15 to filter sand 13, make filter sand 13 follow the valve gap 22 circulation discharge of unloading, and after the material is got rid of to filter sand 13, only need open reinforced valve gap 2, can carry out the feeding to new filter sand medium, need not whole back-off filtration jar and can change filter sand medium, very big reduction staff's operating strength.

The working principle of the utility model is as follows: when the shallow medium filter is used for filtering water flow, a municipal pipe network is communicated with a water inlet valve 6, an equipment pipe network is communicated with a water outlet valve 10, after the communication is finished, a switch of the water inlet valve 6 and the water outlet valve 10 is opened, water in the municipal pipe network is pumped into a diversion water inlet pipeline 7 through the water inlet valve 6, the water is pumped into a filtering tank 1 through a water inlet pipe 5, filtering is carried out through filtering sand 13, the filtering sand 13 can be made of quartz sand and other materials, the filtered water flow is pressed out through a water outlet pipe 9, then the water is pumped into the equipment pipe network through the water outlet valve 10 under the condition that the water outlet of the diversion water outlet pipeline 11 is converged, when the water is required to be backwashed, the switch of the water inlet valve 6 and the water outlet valve 10 is sequentially closed, then the switch of a backwashed water inlet valve 12 and a backwashed water outlet valve 8 is opened, after the switch is opened, cleaning water is reversely pumped into the diversion water outlet pipeline 11 through a backwashed 12, the back flushing clean water is reversely pumped into the filtering tank 1 under the conduction of the water outlet pipe 9, the confluence annular pipe 19 and the multiple groups of water inlet pipes 20, the impurity in the filtering sand 13 is back flushed, in the back flushing cleaning process of the shallow medium filter, the driving motor 4 synchronously works to drive the synchronous belt wheel B18 to rotate, the synchronous belt wheel A16 is driven to rotate through the transfer transmission of the synchronous belt 17, then the transmission shaft 14 is regulated to rotate, the multiple groups of stirring paddles 15 are made to rotate, the filtering sand 13 is driven to be dynamically stirred in a slow mode, then the impurity remained in the filtering sand 13 is completely and reversely flushed out under the impact of back flushing water flow, the back flushed sewage is conducted with the diversion water inlet pipe 7 through the water inlet pipe 5 and is discharged out of the outside through the back flushing drain valve 8, and when the filtering sand 13 needs to be replaced regularly, the staff only needs to open the switch of the discharging valve cover 22, then under the dynamic stirring of the stirring paddle 15 to the sand filter 13 driven by the transmission shaft 14, the sand filter 13 is circularly discharged from the discharging valve cover 22, and when the sand filter 13 is discharged, the new sand filter medium can be fed by only opening the feeding valve cover 2.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a conveniently change shallow layer medium filter of sand filtering layer, includes two sets of filter tanks (1), its characterized in that, two sets of be provided with supporting plate frame (3) between filter tank (1), the grillage top of supporting plate frame (3) is provided with driving motor (4), two sets of filter tank (1) the inside filter sand (13) that have all been piled up of cavity, and two sets of filter tank (1) the cavity is inside just to all be provided with transmission shaft (14) in the sand bed inboard of filter sand (13), the axostylus axostyle outside symmetry cover of transmission shaft (14) is equipped with multiunit stirring rake (15), be connected through hold-in range (17) between driving motor (4) and transmission shaft (14), two sets of the cavity inner wall of filter tank (1) is located sand bed bottom position department of transmission shaft (14) all is provided with and converges collar pipe (19), the ring frame top symmetry of converging collar (19) is connected with multiunit water inlet pipe (20).

2. The shallow medium filter for conveniently replacing a sand filtering layer according to claim 1, wherein water inlet pipes (5) are connected to the upper positions of the tank bodies of the two groups of filtering tanks (1) at the middle positions, water inlets of the water inlet pipes (5) are communicated with a diversion water inlet pipe (7), and water inlet valves (6) are arranged at the middle parts of the pipelines of the diversion water inlet pipes (7);

two sets of the filter tank (1) are provided with water outlet pipes (9) which are communicated with a converging ring pipe (19) at the positions of the front sides of the tank bodies at the bottom ends, water outlets of the water outlet pipes (9) are communicated with a diversion water outlet pipeline (11), and water outlet valves (10) are arranged in the middle of the pipeline of the diversion water outlet pipeline (11).

3. The shallow medium filter for conveniently replacing a sand filter layer according to claim 1, wherein a plurality of groups of water inlet guide pipes (20) are annularly and symmetrically arranged relative to the center of a confluence ring pipe (19), and a plurality of groups of water inlet guide pipes (20) are symmetrically connected with a plurality of groups of water inlet valve heads (21) along the pipeline direction.

4. The shallow medium filter for conveniently replacing a sand filter layer according to claim 2, wherein two groups of back flushing drain valves (8) are symmetrically connected to two ends of a pipeline of the diversion water inlet pipeline (7), and two groups of back flushing water inlet valves (12) are symmetrically connected to two ends of a pipeline of the diversion water outlet pipeline (11).

5. The shallow medium filter for conveniently replacing a sand filtering layer according to claim 1, wherein a synchronous pulley A (16) is arranged at the bottom output end of the transmission shaft (14) penetrating through the filtering tank (1), a synchronous pulley B (18) is arranged at the output end of the driving motor (4), and the synchronous pulley A (16) is connected with the synchronous pulley B (18) through a synchronous belt (17).

6. A shallow media filter for facilitating replacement of sand filter layers according to claim 1, characterized in that the plurality of sets of stirring paddles (15) are arranged at equal intervals with respect to the shaft direction of the drive shaft (14).

7. The shallow medium filter for conveniently replacing a sand filtering layer according to claim 1, wherein a feeding valve cover (2) is arranged above a tank body of the filtering tank (1) near the front end, and a discharging valve cover (22) is arranged below the tank body of the filtering tank (1) near the cone bottom.