CN218076551U - Filtration system based on shallow filter - Google Patents

Abstract

The utility model discloses a filter system based on a shallow filter. A plurality of filter tanks are arranged. The inside of the filter tanks is provided with a filter core material. The ends of the water pipes are all connected with the first main pipe, the ends of the plurality of outlet pipes are connected with the second main pipe, the water inlet pipes are connected with sewage pipes, and the ends of the plurality of sewage pipes are connected with the third main pipe. When the filter system is backwashed, the sewage enters from the first main pipe and enters the upper filter tank. After being filtered by the filter core material in the filter tank, part of the clean water enters the adjacent filter tank through the second main pipe. At the bottom, the filtered water is moved from the bottom of the filter tank to the upper part for backwashing, and the rest of the clean water is discharged along the second main pipeline. The water source for backwashing is directly provided by the water that has been filtered by the upper filter tank, replacing the link of adding water, simplifying The operation of backwashing saves water resources at the same time.

Description

A Filtration System Based on Shallow Filter

technical field

The utility model relates to the technical field of filtering systems, and the specific field is a filtering system based on shallow filters.

Background technique

Shallow sand filters are mainly used for the filtration of circulating water, feed water, and waste water in industrial fields. The filtration system uses deep media, which can effectively remove particulate matter and reduce turbidity. By assembling specific filter materials, such as activated carbon, zeolite, etc., it can also absorb and remove corresponding organic matter, metal ions, etc. The backwashing process of the existing shallow sand filter is relatively complicated, and a large amount of water needs to be added for cleaning, which consumes a lot of energy for cleaning. Therefore, a filtration system based on a shallow filter is proposed.

Utility model content

The purpose of this utility model is to provide a filter system based on a shallow filter to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a filter system based on a shallow filter, including a plurality of filter tanks, the inside of the filter tank is provided with a filter core material, the filter core material can be quartz sand/ garnet and other fillers, the upper end and the lower end of the filter tank are respectively connected with water inlet pipes and water outlet pipes, the ends of a plurality of water inlet pipes are connected with the first main pipeline, and the ends of a plurality of water outlet pipes are connected with each other. It is connected with the second main pipe, the water inlet pipe is connected with a sewage pipe, the ends of a plurality of the sewage pipes are connected with the third main pipe, the first main pipe, the second main pipe and the On-off gate valves are arranged on the third main pipeline, and the three main pipelines connect a plurality of filter tanks in series to form a filtration system. Under the working state of full-effect filtration, the sewage enters from the first main pipeline. , into a plurality of filter tanks at the same time, after being filtered by the filter core material in the filter tank, it is discharged along the sewage pipe and the third main pipeline; when the filter system is backwashed, the washed filter tank does not Filtration work, the valve on the water inlet pipe is closed, the sewage enters from the first main pipe, enters the filter tank at the upper level, and after being filtered by the filter core material in the filter tank, part of the clean water passes through the second main pipe Enter the bottom of the adjacent filter tank, the filtered water is backwashed from the bottom of the filter tank to the upper part, and is discharged through the sewage pipe and the third main pipeline, and the remaining clean water is discharged along the second main pipeline. In the filter system composed of multiple filter tanks, the water source for backwashing is directly provided by the filtered water in the upper filter tank, instead of adding additional water, which simplifies the backwashing operation and saves water resources.

Preferably, the interior of the filter tank and the upper and lower parts of the filter core material are respectively provided with a water distributor assembly and a water collector assembly, and the water distributor assembly is used to evenly distribute the incoming water on the filter core material, To ensure that the filter core material has a high utilization rate, the water collector assembly is used to collect filtered water, and to collect the water to the water outlet pipe for discharge.

Preferably, the water distributor assembly includes a butt pipe, the end of the butt pipe is connected to the end of the water inlet pipe, and a water distribution pipe is uniformly connected to the circumference of the butt pipe, and the water distribution pipe is A water outlet is evenly connected, and the water outlet of the water outlet faces the filter core material, and the water enters the butt joint pipe from the water inlet pipe, is evenly distributed into the water distribution pipe, and is discharged from the water outlet, and falls to the filter On the core material, the water distribution pipe and the water outlet head distribute the water flow twice, further improving the effect of uniform water flow distribution.

Preferably, the water collector assembly includes a water collecting bucket, the upper end and the lower end of the water collecting bucket are both open structures, the lower end of the water collecting bucket is connected to the outlet pipe, and the inner side of the water collecting bucket Drainage grooves are evenly arranged on the wall, and the water filtered by the filter core material enters the water collecting bucket, flows down each drainage groove 902 to the outlet pipe and is discharged

Preferably, the inner wall of the filter tank is provided with a fixed mesh case, and the filter core material is loaded in the fixed mesh case, and the setting of the fixed mesh case facilitates the loading and fixing of the filter core material.

Preferably, the upper part of the filter tank is provided with an observation door, and the middle part of the filter tank is provided with an inspection door. The observation door and the inspection door are arranged to facilitate observation and inspection inside the filter tank.

Compared with the prior art, the beneficial effect of the utility model is that a plurality of filter tanks are provided, and a filter core material is arranged inside the filter tank, and the upper end and the lower end of the filter tank are respectively connected with a water inlet pipe and a water outlet pipe, and a plurality of water inlet pipes The ends of the outlet pipes are all connected to the first main pipeline, the ends of the multiple outlet pipes are connected to the second main pipeline, the water inlet pipes are connected to the sewage pipes, and the ends of the multiple sewage pipes are connected to the third main pipeline. Connection, the first main pipeline, the second main pipeline and the third main pipeline are all equipped with switch gate valves, and the three main pipelines connect multiple filter tanks in series to form a filter system. When the filter system is backwashed, The washed filter tank does not perform filtering work, the valve on the water inlet pipe is closed, the sewage enters from the first main pipe, enters the upper filter tank, and after being filtered by the filter core material in the filter tank, part of the clean water passes through the second main line. The pipeline enters the bottom of the adjacent filter tank, and the filtered water moves from the bottom of the filter tank to the upper part for backwashing, and is discharged through the sewage pipe and the third main pipeline, and the rest of the clean water is discharged along the second main pipeline, which is composed of multiple filter tanks. In the composed filtration system, the water source for backwashing is directly provided by the filtered water in the upper filter tank, instead of adding additional water, which simplifies the operation of backwashing and saves water resources.

Description of drawings

Fig. 1 is the main structure front view of the utility model;

Fig. 2 is the interior schematic diagram of filter tank of the present utility model;

Fig. 3 is a bottom view of the utility model water distributor assembly;

Fig. 4 is a top view of the water collector assembly of the present invention.

In the figure: 1- filter tank, 2- water inlet pipe, 3- water outlet pipe, 4- first main pipe, 5- second main pipe, 6- sewage pipe, 7- third main pipe, 8- water distributor assembly , 801-butting pipe, 802-water distribution pipe, 803-water outlet, 9-water collector assembly, 901-water collecting bucket, 902-drainage tank, 10-fixed reticulated shell, 11-observation door, 12-inspection door.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example:

Please refer to Figures 1-4, the utility model provides the following technical solutions: a filter system based on a shallow filter, including a plurality of filter tanks 1, the inside of the filter tank 1 is provided with a filter core material, the filter core material can It is fillers such as quartz sand/garnet, the upper end and the lower end of the filter tank 1 are respectively connected with the water inlet pipe 2 and the water outlet pipe 3, and the ends of a plurality of the water inlet pipes 2 are all connected with the first main pipeline 4, and many The ends of each of the outlet pipes 3 are connected to the second main pipe 5, the water inlet pipe 2 is connected to a sewage pipe 6, and the ends of a plurality of the sewage pipes 6 are connected to the third main pipe 7. , the first main pipeline 4, the second main pipeline 5 and the third main pipeline 7 are all provided with switch gate valves, and the three main pipelines connect a plurality of filter tanks 1 in series to form a common Filtration system, under the working state of full-effect filtration, the sewage enters from the first main pipe 4 and enters into a plurality of filter tanks 1 at the same time. The third main pipe 7 is discharged; when the filter system is backwashed, the washed filter tank 1 does not perform filtering work, the valve on the water inlet pipe 2 is closed, and the sewage enters through the first main pipe 4 and enters the upper level In the filter tank 1, after being filtered by the filter core material in the filter tank 1, part of the clear water enters the bottom of the adjacent filter tank 1 through the second main pipeline 5, and the filtered water is passed through the filter tank 1. The bottom is displaced to the upper part for backwashing, discharged through the sewage pipe 6 and the third main pipeline 7, and the remaining clean water is discharged along the second main pipeline 5. In the filter system composed of a plurality of filter tanks 1, the backwashing The water source is directly provided by the filtered water in the upper filter tank 1, replacing the link of adding water, simplifying the operation of backwashing and saving water resources.

Specifically, the inside of the filter tank 1 and the upper and lower parts of the filter core are respectively provided with a water distributor assembly 8 and a water collector assembly 9, and the water distributor assembly 8 is used to evenly distribute the water in the On the filter core material, it is ensured that the filter core material has a high utilization rate, and the water collector assembly 9 is used to collect filtered water, and the water is collected to the outlet pipe 3 for discharge.

Specifically, the water distributor assembly 8 includes a butt pipe 801, the end of the butt pipe 801 is connected to the end of the water inlet pipe 2, and the circumference of the butt pipe 801 is evenly connected with a water distribution pipe. 802, the water distribution pipe 802 is evenly connected with a water outlet 803, the water outlet of the water outlet 803 faces the filter core material, and the water enters the butt joint 801 from the water inlet pipe 2, and is evenly distributed to the The water distribution pipe 802 is discharged from the water outlet head 803 and falls on the filter core material. The water distribution pipe 802 and the water outlet head 803 distribute the water flow twice to further improve the effect of water flow uniform distribution.

Specifically, the water collector assembly 9 includes a water collecting bucket 901, the upper end and the lower end of the water collecting bucket 901 are both open structures, and the lower end of the water collecting bucket 901 is connected to the water outlet pipe 3, so Drainage grooves 902 are evenly arranged on the inner side wall of the water collection bucket 901, and the water filtered by the filter core material enters the water collection bucket 901 and flows down along each drainage groove 902 to the outlet pipe 3 to be discharged.

Specifically, the inner side wall of the filter tank 1 is provided with a fixed grid shell 10, and the filter core material is loaded in the fixed grid shell 10, and the setting of the fixed grid shell 10 is convenient for loading and fixing the filter core material .

Specifically, the top of the filter tank 1 is provided with an observation door 11, and the middle part of the filter tank 1 is provided with an inspection door 12. The observation door 11 and the inspection door 12 are arranged to facilitate observation in the filter tank 1. and overhaul.

Working principle: multiple filter tanks 1 are set, and filter core materials are arranged inside the filter tank 1. The filter core materials can be fillers such as quartz sand/garnet, and the upper and lower ends of the filter tank 1 are respectively connected with the water inlet pipe 2 and the water outlet pipe. 3. The ends of a plurality of water inlet pipes 2 are connected to the first main pipe 4, the ends of a plurality of water outlet pipes 3 are connected to the second main pipe 5, the water inlet pipes 2 are connected to a sewage pipe 6, and a plurality of The ends of the sewage pipes 6 are all connected with the third main pipeline 7, the first main pipeline 4, the second main pipeline 5 and the third main pipeline 7 are all provided with switch gate valves, and the three main pipelines connect a plurality of filter tanks 1 Connect them in series to form a filter system. Under full-effect filter working condition, the sewage enters from the first main pipeline 4 and enters multiple filter tanks 1 at the same time. and the third main pipeline 7; when the filter system is backwashing, the washed filter tank 1 does not perform filtering work, the valve on the water inlet pipe 2 is closed, and the sewage enters through the first main pipeline 4 and enters the upper filter tank 1, after being filtered by the filter core material in the filter tank 1, part of the clean water enters the bottom of the adjacent filter tank 1 through the second main pipeline 5, and the filtered water is backwashed from the bottom of the filter tank 1 to the upper part. The sewage pipe 6 and the third main pipe 7 are discharged, and the rest of the clean water is discharged along the second main pipe 5. In the filter system composed of multiple filter tanks 1, the water source for backwashing is directly provided by the water that has been filtered by the upper filter tank 1. , instead of adding water, simplifies the operation of backwashing and saves water resources.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A shallow filter-based filtration system, comprising: including a plurality of filtration jar (1), the inside of filtering jar (1) is provided with filters the core, the upper end and the lower extreme of filtering jar (1) are connected with inlet tube (2) and outlet pipe (3) respectively, and are a plurality of the tip of inlet tube (2) all is connected with first total pipeline (4), and is a plurality of the tip of outlet pipe (3) all is connected with second total pipeline (5), be connected with blow off pipe (6) on inlet tube (2), and is a plurality of the tip of blow off pipe (6) all is connected with third total pipeline (7), first total pipeline (4) second total pipeline (5) with all be provided with the switch door valve on third total pipeline (7), sewage by first total pipeline (4) get into in filtering jar (1), follow after the filtration in filtering jar (1) second total pipeline (5) get into adjacent the bottom of filtering jar (1), the water after the filtration carries out the back flush by the bottom of filtering jar (1) to the upper portion displacement, through core (6) and third total discharge of blow off pipe (7).

2. The shallow filter-based filtration system of claim 1, wherein: and a water distributor component (8) and a water collector component (9) are respectively arranged in the filtering tank (1) and at the upper part and the lower part of the filtering core material.

3. The shallow filter-based filtration system of claim 2, wherein: the water distributor component (8) comprises a butt joint pipe (801), the end of the butt joint pipe (801) is connected with the end of the water inlet pipe (2), the peripheral sides of the butt joint pipe (801) are evenly communicated with water distribution pipes (802), the water distribution pipes (802) are evenly connected with water outlet heads (803), and the water outlet ends of the water outlet heads (803) face towards the filtering core material.

4. The shallow filter-based filtration system of claim 2, wherein: the water collector assembly (9) comprises a water collecting hopper (901), the upper end and the lower end of the water collecting hopper (901) are both of an open structure, the lower end of the water collecting hopper (901) is connected with the water outlet pipe (3), and drainage grooves (902) are uniformly formed in the inner side wall of the water collecting hopper (901).

5. The shallow filter based filtration system as claimed in any one of claims 1 to 4, wherein: the inner side wall of the filter tank (1) is provided with a fixed reticulated shell (10), and the filter core material is loaded in the fixed reticulated shell (10).

6. The shallow filter based filtration system as claimed in any one of claims 1 to 4, wherein: the upper portion of filtering jar (1) is provided with observation door (11), the middle part of filtering jar (1) is provided with access door (12).

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