CN218011504U

CN218011504U - Rainwater purification device and rainwater purification treatment system

Info

Publication number: CN218011504U
Application number: CN202222080173.1U
Authority: CN
Inventors: 周超; 杨凯
Original assignee: Wuhan Shengyu Drainage Systems Co Ltd
Current assignee: Wuhan Shengyu Smart Ecological Environmental Protection Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-13
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a rainwater purification device and a rainwater purification treatment system, wherein the device comprises an outer frame, a filtering component and a backwashing component; the filtering component is arranged in the outer frame and comprises a cylinder framework and a filter screen, a central shaft of the cylinder framework is connected to the outer frame and can rotate along the central shaft under the driving of the driving component, the filter screen is detachably laid on the outer cylindrical surface of the cylinder framework, an open end of the cylinder framework is connected with a water inlet pipe, rainwater flows into the filtering component through the open end and is filtered by the filter screen to become clear water, and the clear water flows out through a water outlet pipe or enters the backwashing component under the action of a water pump; the back washing assembly is arranged at the top in the outer frame, and when the filter screen rotates to the position of the back washing assembly along with the cylinder framework, the filter screen is washed, so that the filter screen is completely and thoroughly cleaned, and the filtering effect is good.

Description

Rainwater purification device and rainwater purification treatment system

Technical Field

The utility model relates to a municipal drainage technical field, in particular to rainwater purifier and rainwater purification treatment system.

Background

For the treatment of rainwater, if the rainwater is intercepted in a sewage treatment plant for treatment, the load of the sewage treatment plant is greatly increased; if the waste water is directly discharged to the natural water body, the waste water body can cause pollution of the natural water body, and therefore, the waste water needs to be treated before being discharged. For example, "a rainwater purification device" disclosed in publication No. CN214994265U, rainwater can flow to the packing region after being collected by the water collection region and is discharged by the drain pipe after being purified by the packing assembly, so that rainwater in a space open to the front of the river is purified to a certain extent, and the problem of influence on the water quality of the river due to direct discharge of rainwater is avoided; and the publication number is CN208200618U, and the rainwater purification device comprises a rainwater collecting pipe and a water storage tank, wherein the lower end of the rainwater collecting pipe is connected to the water inlet of the water storage tank through a filtering component, the filtering component comprises a filtering net, a quartz sand filtering material layer and a ceramic membrane filter which are sequentially arranged from top to bottom, and the water outlet of the water storage tank is sequentially connected with an activated carbon filter, a purified water tank and a water faucet.

However, in the above-mentioned prior art, the core technology of rainwater purification is basically to adopt a grid and a filter screen to intercept pollutants in rainwater, and such a method has the following disadvantages: 1. the grating is adopted to block the slag, so that only garbage and sundries with larger sizes can be blocked, and the workload of regular cleaning is larger; 2. adopt the filter screen to filter, though can filter more minute suspended pollutant, and the filter screen can be blockked up very soon in use, influences the result of use, and is difficult to clear up, even if some purifier are provided with back flush part, but the effect is not ideal, in addition, the change of filter screen is also more troublesome. Therefore, it is necessary to design a rainwater purification device and a rainwater purification treatment system to solve the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rainwater purifier and rainwater purification treatment system to grid and filter screen can influence the great technical problem of work load of result of use and clearance by the pollutant easily when solving among the prior art jam, clearance untimely.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

in one aspect, the utility model provides a rainwater purification device, include:

an outer frame;

the filtering component is installed inside the outer frame and comprises a cylinder framework and a filtering screen, a central shaft of the cylinder framework is connected to the outer frame, the cylinder framework can rotate along the central shaft under the driving of the driving component, the filtering screen is detachably laid on the outer cylindrical surface of the cylinder framework, one end of the cylinder framework is open, the other end of the cylinder framework is closed, the open end of the cylinder framework is connected with a water inlet pipe, rainwater flows into the filtering component through the open end, and is filtered by the filtering screen to become clean water which flows out through a water outlet pipe or enters the backwashing component under the action of a water pump;

and the backwashing component is arranged at the top in the outer frame and used for washing the filter screen when the filter screen rotates to the position of the backwashing component along with the cylinder framework.

Further, the back flush subassembly includes distributive pipe, water pump and connects the connecting pipe of distributive pipe and water pump, the water pump is fixed bottom in the outer frame, the distributive pipe is fixed top in the outer frame, evenly be provided with a plurality of nozzles on the distributive pipe, the delivery port of nozzle is aimed at the filter screen, water in the distributive pipe passes through the nozzle is fan-shaped injection extremely the filter screen surface.

Furthermore, the distributive pipe is arranged along the length direction of the cylinder framework, and the distributive pipe is arranged at a position above the filter screen and inclined by an angle of 35 degrees.

Furthermore, a plurality of pollutant collecting grooves are uniformly formed in the circumferential direction on the inner cylindrical surface of the cylinder framework and are used for collecting pollutants filtered by the filter screen.

Furthermore, each pollutant collecting tank is a U-shaped bending piece, and the length of each pollutant collecting tank is equal to that of the cylinder framework.

Furthermore, two ends of a central shaft of the cylinder framework are connected with sewage collecting tanks through supports, and notches of the sewage collecting tanks are just opposite to water outlets of the nozzles.

Further, the sewage collecting tank and the cylinder framework are equal in length.

Furthermore, the bottom of the sewage collecting tank is connected with a sewage pipe, and the other end of the sewage pipe is connected with a municipal sewage pipe network.

On the other hand, the utility model provides a rainwater purification treatment system, this system include reposition of redundant personnel well and the equipment well of intercommunication, laid in the equipment well the utility model discloses in the technical scheme of the first aspect rainwater purifier, lie in the equipment well rainwater purifier's the end of opening is equipped with the preceding gate of rainwater purifier and the preceding gate of choke pipe, gate and municipal sewage pipe network intercommunication before the choke pipe, reposition of redundant personnel well and rainwater inlet tube and play water piping connection, laid floating baffle and open weir door in the reposition of redundant personnel well, the rainwater passes through the inlet tube and gets into in the reposition of redundant personnel well to flow through floating baffle and open weir door, or enter into pass through in the equipment well outflow after the rainwater purifier purifies.

Further, be provided with first level gauge in the reposition of redundant personnel well, lie in the equipment well rainwater purifier's the end of opening and blind end are provided with second level gauge and third level gauge respectively, first level gauge, second level gauge and third level gauge all are connected with the control unit, can realize opening in turn and closing of rainwater purifier front gate, shutoff pipe front gate, floating baffle and open formula weir door down through the control of control unit to realize rainwater purification processing system selects the mode of automatic selection rainwater purification processing according to the rainfall of reality.

Compared with the prior art, the beneficial effects of the utility model mainly have:

1. the utility model provides a rainwater purification device, its filtering component includes drum skeleton and filter screen, and the filter screen is installed on the outer face of cylinder skeleton, and drum skeleton can drive the filter screen and rotate with it when rotating under the drive of drive assembly like this, and based on this, the back flush subassembly that sets up can be when the filter screen rotates the position of back flush subassembly to aim at the filter screen and wash, thoroughly wash the filter screen, and the cleaning performance is good, has effectively guaranteed the filter effect of filter screen; and the filter screen is connected for dismantling with the drum skeleton, is convenient for change the filter screen of different grade type, satisfies the filtration demand of different degree.

2. Will the utility model provides a rainwater purifier is applied to rainwater purification treatment system to the cooperation sets up the preceding gate of rainwater purifier, the preceding gate of stop pipe, the baffle that floats and open the weir door down, selects opening and closing of corresponding gate according to the size of actual rainfall, makes the rainwater can obtain most effective, the most economic purification treatment, is favorable to improving the management level of municipal drainage.

Drawings

FIG. 1 is a schematic view of the whole structure of the rainwater purification device of the present invention;

FIG. 2 is a side sectional view of the rainwater purification apparatus of the present invention;

fig. 3 is a top sectional view of the rainwater purification apparatus of the present invention;

FIG. 4 is a schematic view of the position relationship between the backwashing assembly and the sewage collecting tank of the present invention;

FIG. 5 is a schematic view of the water distribution pipe and the nozzle of the present invention;

fig. 6 shows a structure of the driving assembly according to the present invention;

FIG. 7 is a schematic view of the rainwater purification apparatus according to the present invention in use in an equipment well;

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a schematic structural view of a rainwater purification treatment system according to the present invention;

fig. 10 is a side view of fig. 9.

Shown in the figure:

100-an outer frame;

200-filter element, 210-cylindrical skeleton, 211-central shaft, 220-filter screen;

300-a backwashing component, 310-a water diversion pipe, 311-a nozzle, 320-a water pump and 330-a connecting pipe;

400-driving component, 410-driving motor, 420-belt wheel, 430-tension wheel, 440-driving belt;

500-a contaminant collection tank;

600-a sewage collection tank;

a-a water inlet pipe, B-a water outlet pipe and C-a sewage pipe;

1-equipment well, 2-flow dividing well, 3-rainwater purification device front gate, 4-shutoff pipe front gate, 5-floating baffle, 6-lower opening type weir gate, 7-first liquid level meter, 8-second liquid level meter and 9-third liquid level meter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3, an aspect of the present invention provides a rainwater purification apparatus, which mainly includes an outer frame 100, a filtering component 200 and a backwashing component 300, wherein the outer frame 100 provides an installation place for the filtering component 200 and the backwashing component 300, the filtering component 200 is installed inside the outer frame 100, and includes a cylinder frame 210 and a filter screen 220, a central shaft 211 of the cylinder frame 210 is connected to the outer frame 100 and remains fixed, and the cylinder frame 210 can rotate along the central shaft 211 under the driving of the driving component 400; the filter screen 220 is detachably laid on the outer cylindrical surface of the cylinder framework 210, one end of the cylinder framework 210 is open, the other end of the cylinder framework 210 is closed, the open end of the cylinder framework 210 is connected with the water inlet pipe A, rainwater flows into the filter component 200 through the open end, the rainwater is thrown out through centrifugal force generated by rotation of the cylinder framework 210, the rainwater is filtered through the filter screen 220 when thrown out, filtered clean water flows out through the water outlet pipe B or enters the backwashing component 300 under the action of the water pump 320, the filter screen 220 is backwashed by the filtered clean water, a cleaning water source is not needed to be additionally provided, and the purification effect of the filter screen 220 can be ensured while water resources are saved.

Meanwhile, the backwashing assembly 300 is installed at the top of the inner frame 100, and when the filter screen 220 rotates to the position of the backwashing assembly 300 along with the cylinder frame 210, the filter screen 220 is washed, and just as the cylinder frame 210 drives the filter screen 220 to rotate around the central shaft 211, all the surfaces of the filter screen 220 can be backwashed, so that the filter screen 220 is thoroughly cleaned, the cleaning effect of the filter screen 220 is effectively ensured, and the rainwater purification capability is improved; and filter screen 220 detachably connects on the outer face of cylinder 210's a cylinder, is convenient for change the filter screen 220 of different grade type, has satisfied the filtration demand of different degrees.

Specifically, as shown in fig. 4 and 5, the backwashing assembly 300 includes a water diversion pipe 310, a water pump 320, and a connecting pipe 330 connecting the water diversion pipe 310 and the water pump 320, the water pump 320 is fixed at the bottom inside the outer frame 100, the water diversion pipe 310 is fixed at the top inside the outer frame 100, a plurality of nozzles 311 are uniformly arranged on the water diversion pipe 310, the water outlets of the nozzles 311 are aligned with the filter screen 220, and water in the water diversion pipe 310 is sprayed onto the surface of the filter screen 220 in a fan shape through the nozzles 311.

Preferably, in order to effectively clean the filter screen 220, the utility model discloses arrange the distributive pipe 310 along the length direction of drum skeleton 210, and the distributive pipe 310 sets up the position department of 35 jiaos of slope above the filter screen 220.

Specifically, in the rainwater purifier working process, the rotation of filter assembly 200 under drive assembly 400, deposit or float at pollutants such as the inside rubbish of filter assembly 200 and the sewage pollutant after filtering through filter screen 220 need be handled, in view of this, the utility model discloses evenly be provided with a plurality of pollutant collecting grooves 500 along circumference on the inner cylinder face of drum skeleton 210 for collect above-mentioned sewage pollutant.

Preferably, each pollutant collecting tank 500 is a U-shaped bent piece, the length of the pollutant collecting tank is equal to that of the cylinder skeleton 210, then the pollutants in the sewage filtered by the filter screen 220 can be collected completely, the pollutants in the sewage are collected into the pollutant collecting tank 500 and then the pollutant collecting tank 500 rotates along with the cylinder skeleton 210, meanwhile, the two ends of the central shaft 211 of the cylinder skeleton 210 are connected with the sewage collecting tank 600 through brackets, the notch of the sewage collecting tank 600 faces upwards, when the pollutant collecting tank 500 rotates to the lower part of the cylinder skeleton 210, the U-shaped opening faces upwards, a part of solid pollutants can be reserved, when the pollutant collecting tank 500 rotates to the upper part of the sewage collecting tank 600 along with the cylinder skeleton 210, the notch of the pollutant collecting tank 500 faces downwards, then the pollutant solids are collected into the sewage collecting tank 600 from the pollutant collecting tank 500 under the action of gravity and backwash water flow, and then the pollutant flows into a municipal sewage pipe network through a sewage pipe C connected with the bottom of the sewage collecting tank 600, and the pollutant collecting tank 500 is divided.

Preferably, in order to ensure that the pollutants generated by the backwashing assembly 300 after backwashing the filter assembly 200 can just fall into the sewage collection tank 600, the notch of the sewage collection tank 600 is arranged opposite to the water outlet of the nozzle 311.

Preferably, in order to make all the backflushed pollutants fall into the sewage collecting tank 600, the length of the sewage collecting tank 600 is consistent with that of the cylinder skeleton 210.

It is understood that the driving assembly 400 is a driving type commonly used in the art, the driving element can be an electric motor, a pneumatic or hydraulic motor, etc., and the driving type can be a gear transmission, a belt transmission, a chain transmission, etc. Preferably, the utility model discloses enumerate a structural style of drive assembly 400, as shown in fig. 6, including driving motor 410, band pulley 420, take-up pulley 430 and driving belt 440, band pulley 420 is connected with driving motor 410's power take off end, and driving belt 440 cup joints simultaneously on band pulley 420 and take-up pulley 430, and driving belt 440 overlaps the outside at drum skeleton 210 to drive drum skeleton 210 and rotate.

The utility model provides a pair of rainwater purifier is when using as shown in figure 7 and figure 8, will rainwater purifier sets up in an equipment well 1, and inlet tube A and outlet pipe B connect respectively in the both sides of equipment well 1, and the rainwater gets into equipment well 1 from inlet tube A, and then gets into filter assembly 200 from the end of opening of drum skeleton 210, flows purifier after filter screen 220 filters, flows through outlet pipe B again. If the filter screen 220 needs to be cleaned, the water pump 320 is started, the filtered clean water is pumped into the water diversion pipe 310 through the connecting pipe 330, water flow is sprayed on the surface of the filter screen 220 in a fan shape through the plurality of nozzles 311 to backwash the filter screen 220, the filter screen 220 continuously rotates along with the cylindrical framework 210, all the surfaces of the filter screen 220 can be effectively backwashed, and the filtering effect of the filter screen 220 is ensured.

On the other hand, as shown in fig. 9 and 10, the utility model also provides a rainwater purification treatment system, which comprises a flow dividing well 2 and an equipment well 1 which are communicated, wherein the rainwater purification device of the first aspect of the utility model is arranged in the equipment well 1, a rainwater purification device front gate 3 and a cut-off pipe front gate 4 are arranged at the open end of the rainwater purification device in the equipment well 1, and the cut-off pipe front gate 4 is communicated with a municipal sewage pipe network; reposition of redundant personnel well 2 is connected with inlet tube A and outlet pipe B and reposition of redundant personnel well 2's both sides, still laid floating baffle 5 and open weir door 6 down in the reposition of redundant personnel well 2, during the rainwater enters into reposition of redundant personnel well 2 through inlet tube A, the rainwater that enters into in the reposition of redundant personnel well 2 is gone to locate has two kinds: firstly, the water directly flows to a water outlet pipe B through a floating baffle 5 and a lower open weir gate 6 and then flows out; and secondly, rainwater enters the equipment well 1 and flows out after being purified by the rainwater purification device.

Specifically, be provided with first level gauge 7 in reposition of redundant personnel well 2, lie in equipment well 1 rainwater purifier's the end that opens and blind end are provided with second level gauge 8 and third level gauge 9 respectively, first level gauge 7, second level gauge 8 and third level gauge 9 all are connected with the control unit, just water pump 320, driving motor 410 and control rainwater purifier front gate 3, shutoff pipe front gate 4, floating baffle 5 and open weir door 6's driving piece all are connected with the control unit electricity, so, just can realize through the control unit's control that rainwater purification treatment system selects the flow direction and the processing mode of rainwater according to actual rainfall size.

It is understood that the above mentioned control unit is part of the conventional control means in the art, and those skilled in the art can implement the control process according to the prior art, therefore, the detailed description is omitted here.

The following will explain in detail the utility model provides a rainwater purification treatment system's use:

1. in sunny days, sewage which is mixed and spliced or combined enters the diversion well 2 through the rainwater inlet pipe A, at the moment, the downward opening type weir gate 6 in front of the water outlet pipe B and the front gate 3 of the rainwater purification device are closed, the front gate 4 of the intercepting pipe is opened, and the sewage flows into the municipal sewage pipe network through the front gate 4 of the intercepting pipe.

2. At the initial stage of rainfall or when the rainfall is very small, when the liquid level in the first liquid level meter 7, which is used for measuring the liquid level in the diversion well 2, is lower than the set liquid level of the open rainwater purification device, the pollutant concentration of rainwater is very high, the open weir gate 6 and the front gate 3 of the rainwater purification device are kept closed at the moment, the front gate 4 of the shutoff pipe is kept open, and sewage is intercepted into a municipal sewage pipe network or a downstream sewage well through the shutoff pipe.

3. When rainfall is great, when the liquid level was higher than the rainwater purifier liquid level of opening of setting for in the reposition of redundant personnel well 2 measured by first level gauge 7, before the rainwater purifier gate 3 opened, shutoff pipe gate 4 was closed, inside the rainwater passed through before the rainwater purifier gate 3 got into the rainwater purifier, specifically divided into:

1) When the water level of the open end of the rainwater purification device is lower than the overflow liquid level through the second liquid level meter 8, rainwater enters the rainwater purification device, is filtered by the filter screen 220 and then is discharged through the water outlet pipe B, so that the purpose of purifying the rainwater is achieved;

2) When the water level of the open end of the rainwater purification device measured by the second liquid level meter 8 is higher than the water level of the water outlet end of the rainwater purification device measured by the third liquid level meter 9, the situation that the filter screen 220 is seriously blocked and the rainwater purification treatment capacity is insufficient is indicated, the control unit controls to start the backwashing assembly 300, the filter screen 220 is backwashed by using purified clean water, and sewage generated by backwashing is automatically collected and then discharged through the sewage pipe C.

4. In the middle and later periods of rainfall, when the liquid level in the first liquid level meter 7 is measured and is higher than the set safe liquid level in the diversion well 2, the front gate 4 of the intercepting pipe is kept closed, one part of rainwater is discharged after being treated by the rainwater purification device, and the other part of rainwater exceeding the treatment capacity is discharged through the lower opening type weir gate 6, so that the flood safety is ensured.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A rainwater purification apparatus, comprising:

an outer frame;

2. The rainwater purification device according to claim 1, wherein the back-washing component comprises a water diversion pipe, a water pump and a connecting pipe for connecting the water diversion pipe and the water pump, the water pump is fixed at the bottom inside the outer frame, the water diversion pipe is fixed at the top inside the outer frame, a plurality of nozzles are uniformly arranged on the water diversion pipe, the water outlets of the nozzles are aligned with the filter screen, and water in the water diversion pipe is sprayed to the surface of the filter screen in a fan shape through the nozzles.

3. The rainwater purification apparatus according to claim 2, wherein said water diversion pipe is arranged along the length direction of said cylindrical skeleton, and said water diversion pipe is disposed at a position inclined by 35 ° above said strainer.

4. The rainwater purification apparatus according to claim 3, wherein a plurality of pollutant collecting grooves are uniformly arranged on the inner cylindrical surface of said cylindrical framework along the circumferential direction for collecting pollutants filtered by said filter screen.

5. The rainwater purification apparatus according to claim 4, wherein each of said pollutant collecting tanks is a U-shaped bent piece, and the length of said pollutant collecting tank is equal to the length of said cylindrical skeleton.

6. The rainwater purification device according to claim 5, wherein both ends of the central shaft of the cylindrical framework are connected with sewage collecting tanks through brackets, and the notches of the sewage collecting tanks are opposite to the water outlets of the nozzles.

7. A rainwater purification apparatus according to claim 6, wherein said sewage collection tank is of the same length as said cylindrical skeleton.

8. The rainwater purification device according to claim 7, wherein a sewage pipe is connected to the bottom of the sewage collecting tank, and the other end of the sewage pipe is connected to a municipal sewage pipe network.

9. A rainwater purification treatment system is characterized by comprising a diversion well and an equipment well which are communicated, wherein the equipment well is internally provided with a rainwater purification device as claimed in any one of claims 1 to 8, the open end of the rainwater purification device in the equipment well is provided with a rainwater purification device front gate and a shutoff pipe front gate, the shutoff pipe front gate is communicated with a municipal sewage pipe network, the diversion well is connected with a rainwater inlet pipe and a rainwater outlet pipe, the diversion well is internally provided with a floating baffle plate and a lower opening weir gate, and rainwater enters the diversion well through the water inlet pipe and flows out through the floating baffle plate and the lower opening weir gate or enters the equipment well and flows out after being purified by the rainwater purification device.

10. The rainwater purification treatment system according to claim 9, wherein a first liquid level meter is arranged in the diversion well, and a second liquid level meter and a third liquid level meter are respectively arranged at the open end and the closed end of the rainwater purification device in the equipment well.