CN207761037U - A kind of easy care rainwater depth-type filtration device - Google Patents

Abstract

The utility model is related to a kind of easy care rainwater depth-type filtration devices.The filter device includes well body, the cover board above well body, the inlet and outlet being located in well body left and right sidewall；At well body left side wall, from the longitudinally disposed overflow wall of cover board, it is provided with overflow launder downwards from cover board on the overflow wall top；At well body right side wall, from the longitudinally disposed partition wall in well body bottom, support plate is laterally set between overflow wall and partition wall, overflow wall lowermost end is connect with support plate left end；One slot type is set between partition wall and water outlet and is discharged gallery；The partition wall being connected with water outlet gallery is replaced by overflow plate；One water storage chamber is separated out by partition wall, water outlet gallery bottom and right side wall；It is provided with opening upwards from well body bottom on partition wall, the opening is equipped with out water valve；Cylinder filter and water hole are provided in the support plate, and the water hole is connected to the collecting pipe of cylinder filter.

Description

An easy-to-maintain rainwater depth filter device

technical field

The utility model relates to a rainwater purification device, in particular to an easy-to-maintain rainwater depth filter device.

Background technique

With the acceleration of urbanization, the impermeable area on the ground has increased significantly, and pollutants have gradually accumulated on these impermeable ground. When it rains, the rainwater washes the ground and the pollutants are washed into the rainwater runoff system to form rainwater runoff pollution. Rainwater runoff pollution is a kind of diffuse pollution. Pollutants enter natural water bodies and cause water pollution. The pollutants exist in the form of particulate matter, suspended matter, and floating matter, and contain toxic and harmful substances such as organic matter and heavy metals. Therefore, the process of urbanization and industrialization has led to increasingly serious water crisis and rain and flood hazards.

With the aggravation of water source crisis and rain and flood damage, it has become an important emerging topic to collect and utilize rainwater as water resources for comprehensive management. In terms of urban overall planning, most of the combined drainage systems used in the past have been restructured and changed to diversion or interception drainage systems. With the seriousness of urban air pollution and ground pollution, the pollution of rainwater runoff is becoming more and more serious, especially the initial rainwater with more pollutants. In some areas, the highest value of pollutant indicators in early rainwater is much higher than that of typical urban domestic sewage. Therefore, it is necessary to treat rainwater, especially initial rainwater.

At present, the collection and treatment of initial rainwater in my country is still in its infancy. The collection of initial rainwater is only to prevent it from being discharged into the water body to pollute the water quality. However, little consideration is given to the filtration and treatment of initial rainwater, and most of it is directly discharged into the municipal sewage pipe network. The concentration of pollutants contained in the initial rainwater is relatively high, especially the initial rainwater from the road. Direct discharge into the domestic sewage pipe network will bring a large load to the sewage plant.

In addition, after long-term use, the existing rainwater collection device is easily blocked by pollutants such as rainwater and garbage in sewage, and is difficult to maintain, resulting in low efficiency of initial rainwater collection.

Utility model content

In order to solve the above problems, the utility model provides an easy-to-maintain rainwater depth filter device, which includes a well body, a cover plate located above the well body, a water inlet on the left side wall of the well body and a water inlet on the right side wall. Outlet;

Near the left side wall of the well body, an overflow wall is arranged longitudinally from the cover plate, and an overflow groove is opened downward from the cover plate on the upper part of the overflow wall;

Close to the right side wall of the well body, a partition wall is vertically arranged from the bottom of the well body, and a support plate is arranged horizontally between the overflow wall and the partition wall. The bottom end of the overflow wall is connected with the leftmost end of the support plate; A trough outlet corridor is set between the outlets;

Partition walls connected to outlet corridors were replaced with overflow panels;

A water storage chamber is separated by the partition wall, the bottom of the water outlet corridor and the right side wall; an opening is opened upward from the bottom of the well body on the partition wall, and a water outlet door is installed at the opening;

A filter device is arranged above the support plate, and a water hole is opened on the support plate, and the water hole communicates with the filter device.

Further, a slag trap is installed on the overflow tank.

Further, the overflow wall, support plate, and partition wall separate a filter area in the well body, the settlement area is directly below the filter area, and on the left side of the overflow wall, that is, the left side of the filter area and the settlement area, is wash area.

Further, the partition wall is higher than the water outlet.

Further, the water outlet door of the water storage chamber on the partition wall is one of a flap flush door, a weir door, a gate, or a door flush door.

Further, the bottom of the cleaning area is a sump, and the bottom of the sump is lower than the settlement area;

Further, a submersible sewage pump is also installed in the sump.

Further, the filtering device is selected from a cylindrical filter, and the top of the collecting pipe of the cylindrical filter is not higher than the upper end of the overflow plate.

Further, the number of the filters is 1-1000, preferably 1-500, 1-100, 20-50, for example 25. The number of the water holes is limited according to the set cylindrical filter.

Further, the water outlet gallery is a pipe with a bottom and two sides, the bottom of the water outlet gallery is flush with the support plate or the bottom of the water outlet gallery is lower than the level of the support plate, and the height of the side part of the water outlet gallery is not particularly limited, but preferably The height of the overflow plate is not particularly limited, and it is preferably flush with the height of the partition wall.

Further, holes are provided on the overflow plate; furthermore, the diameter of the holes gradually increases from bottom to top.

Further, a wellhead is provided on the cover plate, and a well cover is provided at the well head, and the number of the well cover is 2 or more.

Further, the wellhead is arranged above the cleaning area and the filtering area.

Further, the well body and the cover plate can be spliced on site after prefabrication.

The device of the utility model can make the larger particles in the rainwater and sewage entering the well body settle in the cleaning area and the settlement area; The clean water with contaminants, heavy metals, nitrogen, phosphorus and other pollutants will be overflowed and drained away;

When the water level reaches the top of the cylindrical filter, part of the treated clean water enters the water storage chamber from above the partition wall to clean the inside of the well body to avoid the accumulation of pollutants inside the well body, resulting in low processing capacity. Discharged through the outlet corridor;

Further, the device can start the submersible pump to discharge the rainwater after cleaning or in the settlement area to the sewage pipe; the slag blocking net can intercept floating objects in the cleaning area and the settlement area; when the processing capacity of the filter device decreases , the well cover can be opened to perform maintenance and inspection inside the well body.

The utility model also provides a road segmented rainwater treatment system, the system includes: a rainwater main pipe on a municipal road, one or more rainwater branch pipes connected with the rainwater main pipe, and one or more rainwater branch pipes are connected to the end of the rainwater branch pipe A plurality of rainwater outlets; it is characterized in that the system divides the rainwater main pipe and/or the rainwater branch pipe into sections, and installs the above-mentioned easy-to-maintain rainwater depth filter device on each section of the rainwater main pipe and/or rainwater branch pipe.

Further, the segmentation is performed according to 50-1000m; further, the segmentation is performed according to 300-800m.

Further, the system can be equipped with one or more series or parallel rainwater depth filter devices that are easy to maintain according to the treatment requirements and/or road conditions on each section of road.

Further, the water inlet and water outlet at the front and rear ends of the well body of the easy-to-maintain rainwater depth filter device communicate with the front and rear (ie, upstream and downstream) of the rainwater main pipe and/or the rainwater branch pipe respectively.

Further, a rainwater separator can also be arranged in front of the easy-to-maintain rainwater depth filter device (that is, the water inlet direction of the filter device) on each section of pipeline.

Further, the rainwater separator is selected from a rainwater particle filter device, a floating object interception device, a hydraulic particle separation device, a filter frame type rainwater pretreatment device, a primary rain cyclone separation well, a cylinder diversion system, or a hydrocyclone separation One or more of devices, etc.

Further, other rainwater filters can also be arranged on each section of pipeline.

Further, other rainwater filters are selected from initial rainwater filters, multi-stage rainwater purification treatment equipment, biological filters, multi-stage rainwater biological treatment devices, high-efficiency rainwater filters, cylindrical filtration systems, or quick-installed multi-stage treatment One or more of rainwater filtration systems, etc.

Further, the rainwater separator and other rainwater filters can be installed one or more in series or in parallel according to the treatment requirements and/or road conditions on each section of road.

Further, a water filter bag and/or a water filter bucket are also arranged on the rainwater outlet.

Beneficial effect

1) The easy-to-maintain rainwater depth filter device of the utility model has a good filtering effect on rainwater, and can remove pollutants such as particulate matter, suspended solids, heavy metals, nitrogen, and phosphorus in rainwater and sewage, and effectively reduce the pollution of pollutants to natural water bodies. No external power is required during the processing, and normal flood discharge is not affected.

2) The easy-to-maintain rainwater depth filter device of the present utility model can use the treated water to flush and maintain the inside of the well body during use, so as to avoid pollutants from clogging the well body after long-term use and make its work efficiency low. It is more convenient to maintain. In addition, the well body and the cover plate of the easy-maintenance rainwater depth filter device of the utility model can be assembled on site after prefabrication, which can reduce the time for on-site installation and have high installation efficiency.

3) The segmented rainwater treatment system of the present utility model is simple to set up, and can realize segmental filtration treatment of rainwater in the rainwater main pipe and/or rainwater branch pipe, with good treatment effect, and avoids pollutants such as particulate matter, suspended matter, heavy metals, nitrogen, Phosphorus and other natural water pollution.

Description of drawings

Fig. 1A is a top view of the structure of an easy-to-maintain rainwater depth filter device according to Embodiment 1 of the present utility model, 1B is a sectional view, and 1C is a three-dimensional sectional view;

Fig. 2 is the structural representation of the rainwater treatment system of the road segment of the utility model embodiment 3;

Fig. 3 is the structural schematic diagram of the rainwater treatment system of the road segment of the utility model embodiment 4;

The meanings of the reference signs are as follows: well body 1, cover plate 2, water inlet 3, water outlet 4, overflow wall 5, support plate 6, cleaning area A, filtration area B-1, settlement area B-2, water collection Pit A-1, submersible sewage pump 7, overflow tank 8, slag blocking net 9, cylinder filter 10, water hole 11, collection pipe 12, partition wall 13, water storage chamber 14, overflow plate 15, retaining Wall 16, water outlet corridor 17, flap door type flushing door 18, manhole cover 2-1, municipal road R, rainwater main pipe C, rainwater branch pipe D, rainwater outlet 19, easy-to-maintain rainwater depth filter device 20, hydraulic particle separator 21 , water filter bag 22, water filter bucket 23.

Detailed ways

The rainwater filter described in the utility model is a rainwater purification device that removes fine particles, soluble inorganic substances, heavy metals and other pollutants in rainwater through the physical, chemical or biological action of the filter medium.

The rainwater separator described in the utility model is a rainwater treatment device mainly relying on physical effects such as screening and interception, gravity separation, centrifugal separation, etc. to separate and remove floating objects and particles in rainwater.

The rainwater particle filtering device described in the utility model can refer to the structure described in the patent document CN201510887353.2, especially the specific structure described in Example 1.

The floating object intercepting device described in the present invention can refer to the structure described in the patent document CN201510884173.9, especially the specific structure described in Example 1.

The hydraulic particle separation device described in the utility model can refer to the structure described in the patent document CN201510881197.9, especially the specific structure described in Example 1.

The filter frame type rainwater pretreatment device described in the utility model can refer to the structure described in the patent document CN201510906997.1, especially the specific structure described in Example 1.

The primary rain cyclone separation well described in the utility model can refer to the structure described in the patent document CN201510905959.4, especially the specific structure described in Example 1.

The initial rainwater filter described in the utility model can refer to the structure described in the patent document CN201510418319.0, especially the specific structure described in Example 1.

For the multi-stage rainwater purification treatment equipment described in the utility model, reference may be made to the structure described in the patent document CN201510459527.5, especially the specific structure described in Example 1.

The biological filter described in the utility model can refer to the structure described in the patent document CN201510633556.9, especially the specific structure described in Example 1.

The multi-stage rainwater biological treatment device described in the utility model can refer to the structure described in the patent document CN201510632502.0, especially the specific structure described in Example 1.

The high-efficiency rainwater filter described in the utility model can refer to the structure described in the patent document CN201510880967.8, especially the specific structure described in Example 1.

For the cylindrical filter system described in the present invention, reference may be made to the structure described in the patent document CN105435508A, especially the specific structure described in Example 1.

The technical solution will be further described in detail below in conjunction with specific embodiments. It should be understood that the following examples are only to illustrate and explain the utility model, and should not be construed as limiting the protection scope of the utility model. All technologies realized based on the above contents of the present utility model are covered within the scope of protection intended by the utility model.

Example 1

The structure of an easy-to-maintain rainwater depth filter device in this embodiment is shown in Figure 1, where the top, bottom, left, and right of Figure 1 are the cover plate direction, bottom direction, left side wall direction, and direction of the filter device. Right side wall direction. The filtering device includes a well body 1, a cover plate 2 located above the well body, a water inlet 3 and a water outlet 4 respectively located on the left and right side walls of the well body.

Near the left side wall of the well body, an overflow wall 5 is arranged longitudinally from the cover plate 2, and an overflow tank 8 is opened downward from the cover plate 2 on the upper part of the overflow wall 5, and a slag-stopping net is installed on the overflow tank 8 9.

Close to the right side wall of the well body, a partition wall 13 is longitudinally arranged from the bottom of the well body. The bottommost end of the flow wall 5 is connected with the leftmost end of the support plate 6 . A trough-type water outlet corridor 17 is set between the partition wall 13 and the water outlet 4. The bottom of the water outlet corridor 17 is flush with the support plate 6, and the height of the side part is flush with the height of the partition wall 13. The partition wall 13 between the 17 sides is replaced by an overflow plate 15 which is at the same height as the partition wall 13 . The overflow plate 15 is provided with openings, and the diameter of the openings gradually increases from bottom to top.

The overflow wall 5, the support plate 6, and the partition wall 13 separate a filter area B-1 in the well body, and directly below the filter area B-1 is the settlement area B-2, on the left side of the overflow wall 5, That is, the left side of the filtration area B-1 and the settlement area B-2 is the cleaning area A, and on the right side of the settlement area, the water storage chamber 14 is separated by the partition wall 13, the bottom of the outlet corridor 17 and the right side wall. On the partition wall 13, there is an opening upwards from the bottom of the well body, and a flapper type flushing door 18 is installed at the opening.

Wherein, the bottom of the cleaning area A is a sump A-1, and the bottom of the sump A-1 is lower than the settlement area B-2. A submersible sewage pump 7 is also installed in the sump A-1. The submersible sewage pump 7 is used to empty the inside of the well body, especially the sewage in the sump A-1.

A plurality of water holes 11 are arranged at intervals on the support plate 6, and a cylindrical filter 10 is concentrically arranged at each water hole 11, and the water hole 11 communicates with the collecting pipe 12 of the cylindrical filter 10 , the rainwater in the settling zone B-2 can be made to enter the cylindrical filter 10.

The cylindrical filter 10 described here specifically adopts the structure described in Example 1 of the patent document CN105435508A.

Further, the top of the collecting pipe 12 of the cylindrical filter 10 is flush with the upper end of the overflow plate.

Further, the number of cylindrical filters 10 is 25.

Further, there is a wellhead on the cover plate, and the wellhead is provided with a well cover 2-1, the number of which is 2, one is set above the cleaning area A, and one is set above the filtering area B-1, through the The well cover 2-1 can observe the internal conditions of the well body, and is convenient for maintaining and processing the inside of the well body.

The well body 1 and the cover plate 2 in this embodiment can be prefabricated and spliced on site, which reduces the time for on-site installation and has high installation efficiency.

Example 2

When it rains, the initial rainwater carrying pollutants such as particulate matter, suspended solids, heavy metals, nitrogen, and phosphorus enters the well body 1 through the water inlet 3, and some large particles will settle in the sump A-1, and most of the rainwater Particles will also settle in the settling zone B-2 under the action of gravity. As the water level rises, when the water level rises to the height of the support plate 6 , rainwater will enter the collecting pipe 12 of the cylindrical filter 10 from the water hole 11 . The rainwater entering the collection pipe 12 will flow into the filter medium from the opening on the collection pipe 12 and flow out from around the cylindrical filter 10 after being treated by the filter medium, and the clean rainwater flowing out will pass through the opening on the overflow plate 15 After flowing into the water outlet corridor 17, it is discharged through the water outlet 4. As the rainfall progresses, the water level in the well body will continue to rise, and the rainwater level in the filter zone B-1 will also rise. When the water level reaches the top of the collection pipe 12, the cylindrical filter 10 will reach the design capacity and can ensure that the water level is basically constant . At this time, the filtered clean rainwater will overflow from the top of the partition wall 13 and the top of the overflow plate 15, the rainwater flowing through the top of the partition wall 13 enters the water storage chamber 14, and the rainwater flowing through the top of the overflow plate 15 enters the outlet corridor 17 are discharged through water outlet 4.

With the increase of rainfall, when the rainfall is greater than the maximum processing capacity of the cylindrical filter 10, the water level of the well body will continue to rise. When the water level rises to the bottom of the overflow tank 8, the rainwater directly overflows to the filter area B-1, and then drains away through the water outlet 4. The slag blocking net 9 on the overflow tank 8 can intercept the floating objects in the cleaning area. Area A and settlement area B-2.

When the rainfall ends, the water level in the well will drop, and the rainwater in the filter area B-1 can all be drained through the openings on the overflow plate 15 .

When the rainfall ends, the submersible sewage pump 7 can also be started to discharge the rainwater in the settlement zone B-2 to the sewage pipe. When the water level in the well body drops to close to the bottom of the well body, the flapper-type flushing door 18 can be opened, and the rainwater collected in the water storage chamber 14 flushes the bottom of the well, and the dirty water after flushing is also discharged to the sewage pipe through the submersible sewage pump 7 .

When the processing capacity of the filtering device decreases, it can also be maintained, and the well cover 2-1 can be opened to maintain the inside of the well body.

Example 3

The structure of a road segmental rainwater treatment system in this embodiment is shown in Figure 2. The system includes a rainwater main pipe C on the municipal road R, a plurality of rainwater branch pipes D connected with the rainwater main pipe C, and the rainwater The end of the branch pipe D is a rainwater outlet 19. The rainwater main pipe C is segmented according to the length of 500-800m, and the easy-to-maintain rainwater depth filter device 20 described in Embodiment 1 is arranged on each section of the rainwater main pipe C, and the water inlet and water outlet of the filter device 20 are They communicate with the front and rear ends (ie upstream and downstream) of the rainwater main pipe C respectively.

Further, a hydraulic particle separator 21 is also provided in front of the easy-to-maintain rainwater depth filter device 20 (water inlet direction).

Further, the rainwater outlet 19 is provided with a filter bag 22 or a filter bucket 23 .

Example 4

The structure of a road segmental rainwater treatment system in this embodiment is shown in Figure 3. The system includes a rainwater main pipe C on the municipal road R, a rainwater branch pipe D connected to the rainwater main pipe C, and the rainwater branch pipe D A plurality of rainwater outlets 19 are connected in series at the end. The rainwater branch pipe D is segmented according to the length of 500-800m, and the easy-to-maintain rainwater depth filter device 20 described in Embodiment 1 is set on each section of the rainwater branch pipe D, and the water inlet and the water outlet of the filter device 20 are respectively connected to the The front and rear ends (ie upstream and downstream) of the rainwater branch pipe D are connected.

Further, a hydraulic particle separator 21 is also provided in front of the easy-to-maintain rainwater depth filter device 20 (water inlet direction).

Further, the rainwater outlet 19 is provided with a filter bag 22 or a filter bucket 23 .

As mentioned above, embodiment of this invention was described. However, this invention is not limited to said embodiment. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims (10)

1. a kind of easy care rainwater depth-type filtration device, which is characterized in that the filter device includes well body, is located above well body Cover board, the water inlet and right side wall that are located on well body left side wall water outlet；

At well body left side wall, from the longitudinally disposed overflow wall of cover board, it is provided with overflow downwards from cover board on the overflow wall top Slot；

At well body right side wall, from the longitudinally disposed partition wall in well body bottom, the laterally setting support between overflow wall and partition wall Plate, overflow wall lowermost end are connect with support plate left end；One slot type is set between partition wall and water outlet and is discharged gallery；With go out The connected partition wall of water gallery is replaced by overflow plate；One water storage chamber is separated out by partition wall, water outlet gallery bottom and right side wall；Every It is provided with opening upwards from well body bottom on wall, the opening is equipped with out water valve；

It is provided with filter device above the support plate, water hole is provided in the support plate, and the water hole is filled with filtering Set connection.

2. a kind of easy care rainwater depth-type filtration device as described in claim 1, which is characterized in that installed on the overflow launder There is slag net；

The overflow wall, support plate, partition wall are separated out a filtering area in well body, are decanting zone in the underface of filtering area, On the left of overflow wall, i.e., it is cleaning area on the left of filtering area and decanting zone；

The partition wall height exceeds water outlet.

3. a kind of easy care rainwater depth-type filtration device as described in claim 1, which is characterized in that the water storage chamber is in partition wall On the water valve that goes out be that flap type rinses door, weir gate, gate or gate-type rinse one kind in door.

4. a kind of easy care rainwater depth-type filtration device as claimed in claim 2, which is characterized in that the cleaning area bottom is The bottom of catch pit, catch pit is less than the decanting zone；

It is also equipped with submersible sewage pump in the catch pit.

5. a kind of easy care rainwater depth-type filtration device as described in claim 1, which is characterized in that the filter device is selected from Cylinder filter, the top of the collecting pipe of the cylinder filter are not higher than the upper end of overflow plate；

The number of the filter is 1-1000；

The quantity of the water hole is limited according to the cylinder filter of setting.

6. a kind of easy care rainwater depth-type filtration device as described in claim 1, which is characterized in that the water outlet gallery is tool There are the pipeline of bottom and both sides, water outlet gallery bottom to flush or be discharged gallery bottom with support plate less than support plate level Face；Water outlet gallery side height is not particularly limited；The height of the overflow plate is not particularly limited；

The overflow plate is equipped with trepanning；The opening diameter gradually increases from bottom to top.

7. a kind of easy care rainwater depth-type filtration device as described in claim 1, which is characterized in that also set up on the cover board Well lid is arranged at well head for well head, and the number of the well lid is 2 or 2 or more；

The top in cleaning area and filtering area is arranged in the well head.

8. a kind of easy care rainwater depth-type filtration device as claimed in claim 7, which is characterized in that the well body and cover board are pre- Scene splicing after system.

9. a kind of roadway segment rain processing system, the system comprises：Storm-water sewer on town road, with Storm-water sewer phase One or more rainwater branch pipe even, the end of the rainwater branch pipe is connected with one or more inlets for stom water；It is characterized in that, institute It states system to be segmented Storm-water sewer and/or rainwater branch pipe, setting such as right on every section of Storm-water sewer and/or rainwater branch pipe It is required that 1-8 any one of them easy care rainwater depth-type filtration devices.

10. a kind of roadway segment rain processing system as claimed in claim 9, which is characterized in that described to be segmented into according to 50- 1000m is segmented；

The system is according to the institute of process demand and/or the one or more serial or parallel connections of road conditions setting on every section of road State easy care rainwater depth-type filtration device；

The inlet and outlet of the well body front and back end of the easy care rainwater depth-type filtration device respectively with Storm-water sewer and/or The front and back of rainwater branch pipe are connected to；

Rainwater separator is arranged in the front of the easy care rainwater depth-type filtration device on every segment pipe；

The rainwater separator is selected from rainwater particulate filter arrangement, floater catching apparatus, waterpower particle sorting apparatus, filter frame formula It is one or more in rainwater pretreatment unit, first rain cyclonic separation well, cylinder separate system or hydrocyclone etc.；

Other rain water filtering devices are also set up on every segment pipe；

Other rain water filtering devices are selected from initial rainwater filter, multistage rainwater purification processing equipment, biofilter, multistage rain In aquatic organism processing unit, efficient rain water filtering device, cylinder filtration system or ready-package multistep treatment dmp filter system etc. It is one or more；

The rainwater separator and other rain water filtering devices according on every section of road process demand and/or road conditions be arranged One or serial or parallel connection it is multiple；

Drainage bag and/or drainage bucket are additionally provided on the inlet for stom water.