CN218130342U

CN218130342U - Rural sewage treatment plant with multi-stage filtration function

Info

Publication number: CN218130342U
Application number: CN202222609314.4U
Authority: CN
Inventors: 王超
Original assignee: Baoding Yinhong Yurui Water Equipment Manufacturing Co ltd
Current assignee: Baoding Yinhong Yurui Water Equipment Manufacturing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-27
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a rural sewage treatment device with a multistage filtering function, which relates to the technical field of sewage treatment and comprises a plurality of filtering ponds, wherein the filtering ponds are arranged in a grading way from the left to the right below; the backwashing mechanism is arranged on the filtering tank and comprises a collecting tank and a flushing pipeline, the collecting tank is fixedly connected to the upper end of the filtering tank, and the flushing pipeline is fixedly connected to the lower end of the collecting tank; and the drainage system is arranged in the filtering tank and is connected with the backwashing mechanism, the drainage system comprises a main pipe, and the flushing pipeline is connected with the next-stage main pipe. The utility model discloses a set up back flush mechanism and drainage system, can bring the water purification into drainage system and flow into the inside of filtering ponds through back flush mechanism, whole flushing process is shorter, washes fastly, and the interrupt time is shorter to be convenient for wash the filter layer fast, improved the efficiency of washing.

Description

Rural sewage treatment plant with multi-stage filtration function

Technical Field

The utility model relates to a sewage treatment technical field specifically is a rural sewage treatment plant with multiple-stage filtration function.

Background

The rural sewage mainly comprises rural domestic sewage and rural production wastewater. Generally speaking, the concentration of each pollutant in rural domestic sewage is relatively low, but the water quality changes greatly: most rural domestic sewage has little difference in properties, and basically contains no or little heavy metals and toxic and harmful substances. Generally speaking, the amount of rural domestic sewage is generally lower than that of cities and towns, but due to the lack of a perfect sewage and treatment system, weak economic foundation and the like, the treatment rate of the rural domestic sewage is far lower than that of the cities and towns, and the rural domestic sewage and production wastewater are directly discharged without being treated, so that surface water or underground water is polluted, the safety of drinking water of surrounding residents is influenced, and the water environment health is directly threatened.

Present rural sewage treatment plant with multiple-stage filtration function intercepts impurity in the sewage through the filter layer and reaches the effect of purification, however when in actual use, long-time work makes the inside of a large amount of impurity deposits at the filter layer, lead to the filter layer to be blockked up, thereby lose filtering capacity, reduce the purifying effect of filter layer, sewage treatment equipment among the prior art is difficult to wash the filter layer, when in actual use, need to spend a large amount of time and wash the filter layer, the cleaning efficiency to the filter layer is lower, and need interrupt a large amount of time, can't carry out sewage treatment during, thereby lead to sewage treatment efficiency greatly reduced, be not convenient for handle sewage in succession, and be not convenient for collect the purification to the water after washing, cyclic utilization, lead to extravagant a large amount of water resource.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the rural sewage treatment device with the multi-stage filtering function is provided, and the problem that the filtering layer is difficult to wash at present is solved.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a rural sewage treatment device with a multi-stage filtering function comprises:

the filtering ponds are arranged from left to right below in a grading manner, and the right sides of the filtering ponds are fixedly connected with a drain pipe;

the backwashing mechanism is arranged on the filtering tank and comprises a collecting tank and a flushing pipeline, the collecting tank is fixedly connected to the upper end of the filtering tank, the flushing pipeline is fixedly connected to the lower end of the collecting tank, and a booster water pump is fixedly arranged on the flushing pipeline;

and the drainage system is arranged in the filtering tank and is connected with the backwashing mechanism, the drainage system comprises a main pipe, and the flushing pipeline is connected with the main pipe at the next stage.

Preferably, the main pipe is fixedly connected with a plurality of branch pipes, and the branch pipes are fixedly connected with a plurality of nozzles.

Preferably, the lower end of the first stage of the filter tank on the left side is fixedly provided with a booster water pump, and the booster water pump is connected with the main pipe through a connecting pipe.

Preferably, the middle parts of the drain pipe and the connecting pipe are fixedly connected with electromagnetic valves.

Preferably, the inside fixedly connected with filter screen of collecting pit, it is a plurality of the mesh number of filter screen increases from top to bottom in proper order along with the array direction of filtering ponds.

Preferably, the inside of filtering ponds is provided with the filter layer, and a plurality of the filtration grade of filter layer increases from top to bottom along with the array direction of filtering ponds in proper order.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a back flush mechanism and drainage system have been set up, can bring the water purification into the inside that drainage system cocurrent flowed into the filtering ponds through back flush mechanism, thereby impurity to on nozzle and the filter layer washes, treat that the rivers flow direction collecting pit that will have impurity when overflowing in the filtering ponds, after washing, water in the filtering ponds passes through drainage system row to lower level filtering ponds, whole flushing process is shorter, it is very fast to wash, the interrupt time is shorter, thereby be convenient for wash the filter layer fast, and can wash a plurality of filtering ponds simultaneously, the efficiency of washing is improved, and then sewage treatment's efficiency has been improved.

Can filter the impurity that gets into in the collecting tank through the filter screen, collect the booster water pump that finishes the accessible and open on the flushing line, lead to next stage drainage system with the water in the collecting tank and carry out the back flush operation, collect through the water that overflows washing in the filtering tank and filter, make full use of the water resource, can cyclic utilization.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the filtering tank 1 of the present invention;

FIG. 3 is a schematic view of the collecting tank and the strainer of the present invention;

fig. 4 is a schematic structural view of the drainage system and the back-washing mechanism of the present invention.

The reference numbers in the figures are: 1. a filtration tank; 11. a filter layer; 2. a backwashing mechanism; 21. flushing the pipeline; 22. a collection tank; 23. filtering with a screen; 24. pressurizing the water pump; 25. a connecting pipe; 3. a drainage system; 31. a main pipe; 32. an electromagnetic valve; 33. a branch pipe; 34. a nozzle; 35. and a drain pipe.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 to 4, a rural sewage treatment plant with a multi-stage filtering function comprises:

the sewage treatment system comprises a plurality of filter tanks 1, wherein the filter tanks 1 are arranged from left to right in a grading manner from bottom to bottom, sewage is treated for multiple times through the filter tanks 1, so that the sewage treatment effect is better, a drain pipe 35 is fixedly connected to the right side of each filter tank 1, and the filtered sewage flows to the next filter tank 1 through the drain pipe 35;

the backwashing mechanism 2 is arranged on the filtering tank 1, the backwashing mechanism 2 comprises a collecting tank 22 and a flushing pipeline 21, the collecting tank 22 is fixedly connected to the upper end of the filtering tank 1, the flushing pipeline 21 is fixedly connected to the lower end of the collecting tank 22, a booster water pump 24 is fixedly arranged on the flushing pipeline 21, and water overflowing from the filtering tank 1 can be collected by the collecting tank 22 and flows into the next-stage filtering tank 1 from the flushing pipeline 21 through the booster water pump 24;

and the drainage system 3 is arranged inside the filtering tank 1, the drainage system 3 is connected with the back washing mechanism 2, the drainage system 3 comprises a trunk pipe 31, the flushing pipeline 21 is connected with a next-stage trunk pipe 31, filtered sewage can flow out of the next-stage filtering tank 1 through the drainage system 3, and when the filtering tank is flushed, the water in the collecting tank 22 can be discharged into the trunk pipe 31 through the flushing pipeline 21 except the first-stage filtering tank 1 and flows into the next-stage filtering tank 1 for flushing, and the filtering tanks 1 can be flushed simultaneously.

The main pipe 31 is fixedly connected with a plurality of branch pipes 33, the branch pipes 33 are fixedly connected with a plurality of nozzles 34, the drain pipe 35 can discharge filtered sewage, the sewage flows into the branch pipes 33 through the nozzles 34 after being purified, and is collected by the drain pipe 35 after being gathered by the main pipe 31.

The lower end of the left first-stage filter tank 1 is fixedly provided with a booster water pump 24, the booster water pump 24 is connected with the trunk pipe 31 through a connecting pipe 25, the booster water pump 24 is used for washing the filter tank 1, and the booster water pump 24 sends water into the trunk pipe 31 through the connecting pipe 25.

The solenoid valve 32 is fixedly connected to the middle portions of the drain pipe 35 and the connecting pipe 25, when water is treated, the solenoid valve 32 on the drain pipe 35 is opened, the solenoid valve 32 on the connecting pipe 25 is closed, and when water is washed, the solenoid valve 32 on the drain pipe 35 is closed and the solenoid valve 32 on the connecting pipe 25 is opened.

The inside fixedly connected with filter screen 23 of collecting pit 22, the mesh number of a plurality of filter screens 23 increases from top to bottom along with the array orientation of filtering ponds 1 in proper order for impurity along with rivers overflow in the filtering ponds 1 is filtered, prevents to wash that water from causing pollution or jam to the filter layer 11 of next-level, and can carry out centralized processing to the impurity in the filter screen 23.

The filtering layers 11 are arranged in the filtering tank 1, the filtering grades of the filtering layers 11 are sequentially increased from top to bottom along with the arrangement direction of the filtering tank 1, the filtering layers 11 can filter and purify sewage, and clean water can be obtained after the sewage is treated by the multi-stage filtering layers 11.

The working principle is as follows: firstly, sewage is discharged to a first-stage filtering tank 1 and is sequentially discharged to a next-stage filtering tank 1 after being purified, after a purifying effect of a filtering layer 11 is lost, a washing operation is started, when the filtering layer 11 is washed, a pressurizing water pump 24 sends water into the inside of a trunk pipe 31 through a connecting pipe 25 and discharges the water through a nozzle 34 to wash the filtering layer 11, the water flows into a collecting tank 22 after overflowing the filtering tank 1 to filter impurities in the collecting tank, the filtered water enters a next-stage drainage system 3 through a washing pipeline 21 through the pressurizing water pump 24, and therefore the next-stage filtering layer 11 is washed, and a plurality of filtering layers 11 are washed simultaneously.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rural sewage treatment plant with multistage filtering capability which characterized in that includes:

the device comprises a plurality of filtering ponds (1), wherein the filtering ponds (1) are arranged from left to right lower part in a grading manner, and a drain pipe (35) is fixedly connected to the right side of each filtering pond (1);

the backwashing device comprises a backwashing mechanism (2), wherein the backwashing mechanism (2) is arranged on a filtering tank (1), the backwashing mechanism (2) comprises a collecting tank (22) and a flushing pipeline (21), the collecting tank (22) is fixedly connected to the upper end of the filtering tank (1), the flushing pipeline (21) is fixedly connected to the lower end of the collecting tank (22), and a booster water pump (24) is fixedly arranged on the flushing pipeline (21);

the drainage system (3) is arranged inside the filtering tank (1), the drainage system (3) is connected with the backwashing mechanism (2), the drainage system (3) comprises a main pipe (31), and the flushing pipeline (21) is connected with the main pipe (31) of the next stage.

2. The rural sewage treatment plant with the multistage filtering function according to claim 1, wherein: a plurality of branch pipes (33) are fixedly connected to the main pipe (31), and a plurality of nozzles (34) are fixedly connected to the branch pipes (33).

3. The rural sewage treatment device with the multistage filtering function according to claim 1, wherein: the lower end of the first stage of the filtering tank (1) on the left side is fixedly provided with a booster water pump (24), and the booster water pump (24) is connected with a main pipe (31) through a connecting pipe (25).

4. The rural sewage treatment device with the multistage filtering function according to any one of the claims 2 or 3, wherein: the middle parts of the drain pipe (35) and the connecting pipe (25) are fixedly connected with electromagnetic valves (32).

5. The rural sewage treatment device with the multistage filtering function according to claim 1, wherein: the inside fixedly connected with filter screen (23) of collecting pit (22), it is a plurality of the mesh number of filter screen (23) increases from top to bottom in proper order along with the array direction of filtering ponds (1).

6. The rural sewage treatment device with the multistage filtering function according to claim 1, wherein: the filter tank is characterized in that a filter layer (11) is arranged in the filter tank (1), and the filtering grade of the filter layer (11) is increased from top to bottom along with the arrangement direction of the filter tank (1).