CN220907179U - Floating filler filtering system for combined overflow pollution control - Google Patents
Floating filler filtering system for combined overflow pollution control Download PDFInfo
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- CN220907179U CN220907179U CN202322795215.4U CN202322795215U CN220907179U CN 220907179 U CN220907179 U CN 220907179U CN 202322795215 U CN202322795215 U CN 202322795215U CN 220907179 U CN220907179 U CN 220907179U
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Abstract
一种用于合流制溢流污染控制的漂浮填料过滤系统，涉及一种漂浮填料过滤系统。本实用新型是要解决目前合流制管道雨季溢流污水的上向流过滤技术中过滤介质不能被彻底且均匀地反洗，导致反冲洗系统复杂、运行维护困难的技术问题。本实用新型池体的内壁设置橡胶层，环形充气橡胶圈在充气后其两侧分别与池体的内壁和吊笼紧密贴合，这样污水就只能从吊笼中流过进行过滤，可以防止污水从吊笼和池体的内壁之间流过而无法过滤的情况。本实用新型的用于合流制溢流污染控制的漂浮填料过滤系统结构简单，实用性强，实现漂浮填料的均匀反冲洗和低成本的高效反冲洗。
A floating filler filtration system for combined sewer overflow pollution control relates to a floating filler filtration system. The utility model aims to solve the technical problem that the filter medium in the current upward flow filtration technology of combined sewer pipe overflow sewage in rainy season cannot be backwashed thoroughly and evenly, resulting in a complex backwashing system and difficult operation and maintenance. The inner wall of the pool body of the utility model is provided with a rubber layer, and the two sides of the annular inflatable rubber ring are tightly fitted with the inner wall of the pool body and the cage after inflation, so that the sewage can only flow through the cage for filtration, which can prevent the sewage from flowing between the cage and the inner wall of the pool body and failing to be filtered. The floating filler filtration system for combined sewer overflow pollution control of the utility model has a simple structure and strong practicality, and realizes uniform backwashing of the floating filler and low-cost and efficient backwashing.
Description
Technical Field
The present utility model relates to a floating-packing filtration system.
Background
The primary purification of the overflow sewage of the rain and sewage combined pipeline in the rain season usually adopts the traditional upward flow filtration technology, but the combined overflow sewage has large water quantity, high SS concentration and wide fluctuation range of water quality and water quantity, the problems of easy blockage, low water yield and the like of the traditional filter tank are caused, and the phenomenon of heavy blockage part (part for capturing a large amount of SS) and light blockage part (part for capturing a relatively small amount of SS) of the filter medium layer can be generated in the filtration process. While the backwash water is concentrated only in the slightly clogged portion where the backwash flow rate increases, resulting in excessive downward diffusion of the filter media. For the heavy blockage part, the backwash water is difficult to form a waterway, the filter medium layer cannot be backwashed thoroughly and uniformly, and a backwash system is complicated and difficult to operate and maintain.
Disclosure of utility model
The utility model aims to solve the technical problems that a back flushing system is complex and operation and maintenance are difficult because a filter medium cannot be thoroughly and uniformly backwashed in the conventional upward flow filtering technology of overflow sewage in a rain season of a confluence pipeline, and provides a floating filler filtering system for confluence overflow pollution control.
The utility model relates to a floating filler filtering system for controlling combined overflow pollution, which consists of a tank body 1, a water inlet runner 2, a water inlet valve 3, a mud discharging pipe 4, a mud discharging valve 5, an annular inflatable rubber ring 6, a suspension cage 7, a water outlet lifting pump 8, a water outlet pipe 9, a mechanical arm 10, floating fillers 11, an SS on-line monitor and a controller;
The inside of the tank body 1 is provided with a vertical water inlet runner 2 by the side wall, the bottom of the water inlet runner 2 is provided with a water inlet valve 3, and the bottom of the water inlet runner 2 is communicated with the inside of the tank body 1; the bottom of the tank body 1 is provided with a mud discharging pipe 4, the mud discharging pipe 4 is provided with a mud discharging valve 5, and the inlet of the mud discharging pipe 4 is communicated with the inside of the tank body 1; the hanging cage 7 is arranged in the pool body 1, a circle of annular inflatable rubber ring 6 is fixed on the side wall of the hanging cage 7, when the annular inflatable rubber ring 6 is inflated, the outer wall of the annular inflatable rubber ring 6 is tightly pressed on the inner wall of the pool body 1, and a rubber layer is arranged on the inner wall of the pool body 1; the suspension cage 7 is filled with floating filler 11, and the top of the suspension cage 7 is fixedly connected with the bottom of the mechanical arm 10; a water outlet lifting pump 8 is arranged above the lifting cage 7, a water outlet of the water outlet lifting pump 8 is communicated with an inlet of a water outlet pipe 9, and a water outlet of the water outlet pipe 9 flows to a subsequent treatment system outside the tank body 1;
The detection part of the SS on-line monitor is arranged in the water inlet flow channel 2, the signal output end of the SS on-line monitor is connected with the signal input end of the controller, and the signal output end of the controller is respectively connected with the signal input ends of the mechanical arm 10 and the water outlet lifting pump 8.
The operation method and design principle of the floating filler filtering system for controlling the combined overflow pollution are as follows:
Before the combined overflow sewage enters the tank body 1, the combined overflow sewage is treated by a coarse grating and a fine grating, the filtering speed is 15 m/h-45 m/h, a mud discharging pipe 4 is closed, a water inlet valve 3 is opened, the combined overflow sewage is conveyed into the tank body 1 through a water inlet flow channel 2 by a water pump (not shown in the figure), and the SS concentration of the sewage in the water inlet flow channel 2 is detected by an SS on-line monitor; the liquid level 12 is lower than the bottom of the suspension cage 7, and the annular inflatable rubber ring 6 starts to be inflated until the outer wall of the annular inflatable rubber ring is tightly attached to the inner wall of the tank body 1 (as shown in fig. 1 and 2);
Before starting filtration, the water inlet valve 3 is closed firstly, then the mechanical arm 10 is driven by the controller to push the hanging cage 7 to move downwards below the liquid level 12 (as shown in fig. 3), after contacting the water surface, the floating filler 11 begins to squeeze and float upwards in the hanging cage 7, sewage passes through the floating filler 11 in the hanging cage 7 from bottom to top to achieve the filtration purpose, at the moment, the water outlet lifting pump 8 begins to work, and water flows to a subsequent treatment system through the water outlet pipe 9.
The inner wall of the tank body 1 is provided with a rubber layer, and the two sides of the annular inflatable rubber ring 6 are respectively tightly attached to the inner wall of the tank body 1 and the hanging cage 7 after being inflated, so that sewage can only flow from the hanging cage 7 for filtration, and the sewage can be prevented from flowing between the hanging cage 7 and the inner wall of the tank body 1 and can not be filtered.
During back flushing, the annular inflatable rubber ring 6 is firstly deflated, clean water is filled into the tank body 1, and the mechanical arm 10 drives the suspension cage 7 to move up and down in the water (as shown in fig. 4), so that the rolling effect of the floating filler 11 in the back flushing process is enhanced, and the SS attached to the floating filler 11 is easy to fall off. When the bottom mud is to be discharged, the mud discharging valve 5 is opened, and the filtered impurities are discharged from the mud discharging pipe 4 to the tank body 1.
The floating filler filtering system for controlling the combined overflow pollution has the advantages of simple structure and strong practicability, and realizes uniform back flushing and low-cost efficient back flushing of the floating filler.
Drawings
FIG. 1 is a schematic illustration of a floating-filler filtration system for combined overflow pollution control prior to filtration after water intake in accordance with one embodiment;
FIG. 2 is a top view of a portion of the cell body 1 of FIG. 1;
FIG. 3 is a schematic diagram of a floating-filler filter system for combined overflow pollution control for sewage filtration according to the first embodiment;
fig. 4 is a schematic diagram of a floating-filler filter system for combined overflow pollution control in accordance with a first embodiment of the present invention when back-washed.
Detailed Description
The first embodiment is as follows: the embodiment is a floating filler filtering system for combined overflow pollution control, as shown in fig. 1-4, and specifically comprises a tank body 1, a water inlet runner 2, a water inlet valve 3, a mud discharging pipe 4, a mud discharging valve 5, an annular inflatable rubber ring 6, a suspension cage 7, a water outlet lifting pump 8, a water outlet pipe 9, a mechanical arm 10, floating fillers 11, an SS on-line monitor and a controller;
The inside of the tank body 1 is provided with a vertical water inlet runner 2 by the side wall, the bottom of the water inlet runner 2 is provided with a water inlet valve 3, and the bottom of the water inlet runner 2 is communicated with the inside of the tank body 1; the bottom of the tank body 1 is provided with a mud discharging pipe 4, the mud discharging pipe 4 is provided with a mud discharging valve 5, and the inlet of the mud discharging pipe 4 is communicated with the inside of the tank body 1; the hanging cage 7 is arranged in the pool body 1, a circle of annular inflatable rubber ring 6 is fixed on the side wall of the hanging cage 7, when the annular inflatable rubber ring 6 is inflated, the outer wall of the annular inflatable rubber ring 6 is tightly pressed on the inner wall of the pool body 1, and a rubber layer is arranged on the inner wall of the pool body 1; the suspension cage 7 is filled with floating filler 11, and the top of the suspension cage 7 is fixedly connected with the bottom of the mechanical arm 10; a water outlet lifting pump 8 is arranged above the lifting cage 7, a water outlet of the water outlet lifting pump 8 is communicated with an inlet of a water outlet pipe 9, and a water outlet of the water outlet pipe 9 flows to a subsequent treatment system outside the tank body 1;
The detection part of the SS on-line monitor is arranged in the water inlet flow channel 2, the signal output end of the SS on-line monitor is connected with the signal input end of the controller, and the signal output end of the controller is respectively connected with the signal input ends of the mechanical arm 10 and the water outlet lifting pump 8.
The operation method and design principle of the floating filler filtering system for combined overflow pollution control in the embodiment are as follows:
Before the combined overflow sewage enters the tank body 1, the combined overflow sewage is treated by a coarse grating and a fine grating, the filtering speed is 15 m/h-45 m/h, a mud discharging pipe 4 is closed, a water inlet valve 3 is opened, the combined overflow sewage is conveyed into the tank body 1 through a water inlet flow channel 2 by a water pump (not shown in the figure), and the SS concentration of the sewage in the water inlet flow channel 2 is detected by an SS on-line monitor; the liquid level 12 is lower than the bottom of the suspension cage 7, and the annular inflatable rubber ring 6 starts to be inflated until the outer wall of the annular inflatable rubber ring is tightly attached to the inner wall of the tank body 1 (as shown in fig. 1 and 2);
Before starting filtration, the water inlet valve 3 is closed firstly, then the mechanical arm 10 is driven by the controller to push the hanging cage 7 to move downwards below the liquid level 12 (as shown in fig. 3), after contacting the water surface, the floating filler 11 begins to squeeze and float upwards in the hanging cage 7, sewage passes through the floating filler 11 in the hanging cage 7 from bottom to top to achieve the filtration purpose, at the moment, the water outlet lifting pump 8 begins to work, and water flows to a subsequent treatment system through the water outlet pipe 9.
The inner wall of the tank body 1 is provided with a rubber layer, and the two sides of the annular inflatable rubber ring 6 are respectively tightly attached to the inner wall of the tank body 1 and the hanging cage 7 after being inflated, so that sewage can only flow from the hanging cage 7 for filtration, and the sewage can be prevented from flowing between the hanging cage 7 and the inner wall of the tank body 1 and can not be filtered.
During back flushing, the annular inflatable rubber ring 6 is firstly deflated, clean water is filled into the tank body 1, and the mechanical arm 10 drives the suspension cage 7 to move up and down in the water (as shown in fig. 4), so that the rolling effect of the floating filler 11 in the back flushing process is enhanced, and the SS attached to the floating filler 11 is easy to fall off. When the bottom mud is to be discharged, the mud discharging valve 5 is opened, and the filtered impurities are discharged from the mud discharging pipe 4 to the tank body 1.
The floating filler filtering system for combined overflow pollution control in the embodiment has the advantages of simple structure and strong practicability, and realizes uniform back flushing of the floating filler and low-cost efficient back flushing.
The second embodiment is as follows: the first difference between this embodiment and the specific embodiment is that: the floating filler 11 is made of foamed polymer, has a density of less than 1g/cm 3 and a certain compression hardness, and in order to ensure efficient and uniform backwashing of the filter tank, the floating filler 11 needs to have a certain elasticity so as to facilitate expansion of the floating filter medium layer. The other is the same as in the first embodiment.
And a third specific embodiment: this embodiment differs from the first or second embodiment in that: the suspension cage 7 is a punched metal net. The other embodiments are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: the third difference between this embodiment and the third embodiment is that: the total area of all holes on the punched metal net/the total area of the punched metal net is 20% -30%. The other is the same as in the third embodiment.
Fifth embodiment: the fourth difference between this embodiment and the third embodiment is that: the total area of all holes in the punched metal net/the total area of the punched metal net is 25%. The other is the same as in the fourth embodiment.
Claims (5)
1. A floating filler filtering system for combined overflow pollution control is characterized by comprising a tank body (1), a water inlet runner (2), a water inlet valve (3), a mud discharging pipe (4), a mud discharging valve (5), an annular inflatable rubber ring (6), a hanging cage (7), a water outlet lifting pump (8), a water outlet pipe (9), a mechanical arm (10), floating fillers (11), an SS on-line monitor and a controller;
The inside of the tank body (1) is provided with a vertical water inlet flow passage (2) by the side wall, the bottom of the water inlet flow passage (2) is provided with a water inlet valve (3), and the bottom of the water inlet flow passage (2) is communicated with the inside of the tank body (1); the bottom of the tank body (1) is provided with a mud discharging pipe (4), the mud discharging pipe (4) is provided with a mud discharging valve (5), and an inlet of the mud discharging pipe (4) is communicated with the inside of the tank body (1); the hanging cage (7) is arranged in the tank body (1), a circle of annular inflatable rubber ring (6) is fixed on the side wall of the hanging cage (7), and when the annular inflatable rubber ring (6) is inflated, the outer wall of the annular inflatable rubber ring (6) is tightly pressed on the inner wall of the tank body (1), and a rubber layer is arranged on the inner wall of the tank body (1); the suspension cage (7) is filled with floating filler (11), and the top of the suspension cage (7) is fixedly connected with the bottom of the mechanical arm (10); a water outlet lifting pump (8) is arranged above the lifting cage (7), a water outlet of the water outlet lifting pump (8) is communicated with an inlet of a water outlet pipe (9), and a water outlet of the water outlet pipe (9) flows to a subsequent treatment system outside the tank body (1);
The detection part of the SS on-line monitor is arranged in the water inlet flow channel (2), the signal output end of the SS on-line monitor is connected with the signal input end of the controller, and the signal output end of the controller is respectively connected with the signal input ends of the mechanical arm (10) and the water outlet lifting pump (8).
2. A floating-filler filter system for combined overflow pollution control according to claim 1, characterised in that said floating filler (11) has a density of less than 1g/cm 3.
3. A floating filler filter system for combined overflow pollution control according to claim 1, characterised in that the cage (7) is a punched metal mesh.
4. A floating packing filter system for combined overflow pollution control as claimed in claim 3, wherein the total area of all holes in said punched metal net/the total area of the punched metal net is 20% to 30%.
5. A floating packing filter system for combined overflow pollution control as defined in claim 4, wherein the total area of all holes in said punched metal net/the total area of the punched metal net is 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795215.4U CN220907179U (en) | 2023-10-18 | 2023-10-18 | Floating filler filtering system for combined overflow pollution control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795215.4U CN220907179U (en) | 2023-10-18 | 2023-10-18 | Floating filler filtering system for combined overflow pollution control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220907179U true CN220907179U (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322795215.4U Active CN220907179U (en) | 2023-10-18 | 2023-10-18 | Floating filler filtering system for combined overflow pollution control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220907179U (en) |
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2023
- 2023-10-18 CN CN202322795215.4U patent/CN220907179U/en active Active
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