CN202718232U - Buoy flow-limiting valve for combined system sewage intercepting well - Google Patents
Buoy flow-limiting valve for combined system sewage intercepting well Download PDFInfo
- Publication number
- CN202718232U CN202718232U CN 201220397020 CN201220397020U CN202718232U CN 202718232 U CN202718232 U CN 202718232U CN 201220397020 CN201220397020 CN 201220397020 CN 201220397020 U CN201220397020 U CN 201220397020U CN 202718232 U CN202718232 U CN 202718232U
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- Prior art keywords
- floating drum
- limiting valve
- flow
- catchpit
- brake lining
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- Expired - Fee Related
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Abstract
The utility model discloses a buoy flow-limiting valve for a combined system sewage intercepting well. The buoy flow-limiting valve is arranged on a water outlet pipe of the intercepting well. The buoy flow-limiting valve for the combined system sewage intercepting well is characterized by comprising three parts which are a buoy, a transmission device and a brake piece. The buoy is connected with the transmission device through a linkage arm. A gear combination is arranged inside the transmission device which is connected with the brake piece by gear meshing and drives gears to rotate along with floating up and down of the buoy, and accordingly vertical movement of the brake piece is controlled, and the purpose of flow limiting is achieved. According to the buoy flow-limiting valve for the combined system sewage intercepting well, confluence sewage which is severely polluted can be effectively intercepted and enters an intercepting main pipe, the influent concentration of a sewage treatment plant is improved, pollution of rain water to a watercourse is effectively lowered.
Description
Technical field
The utility model relates to Combined Municipal drainage system moderate rain dirty treatment technology, particularly a kind of floating drum flow-limiting valve for the combined sewer catchpit.
Background technology
Urban Drainage System mainly contains combined system, segregation system and shutoff type combined system.In recent years; along with country to the attention of environmental protection and the reinforcement of management intensity, and the raising of economic strength, the various places newly built city district adopts the dirty combined flow system system of rain substantially; and the original drainage pipeline networks in old town is transformed, be that what to adopt is the shutoff type combined system mostly.The shutoff type combined system be exactly utilize original collecting fitting and along the river both sides, the road form of laying the sewage intercepting sewer collect sewage, specific practice arranges catchpit before sewage dams main.The caliber of main of damming is determined according to the dry flow sewage amount of this section and interception ratio.
This water discharging body is obtained certain effect in the implementation of old town, various places to intercept sewage, but because existing catchpit does not have current limiting measures, the amount of rainfall that causes damming is excessive, because the diluting effect of rainwater, greatly reduce Wastewater Treatment Plant at the influent concentration in rainy season, affected the effect of sewage biochemical treatment; The main downstream amount of damming that causes simultaneously damming is excessive, and the sewage of upstream can only overflow to the river course, causes larger pollution.
The utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is: a kind of floating drum flow-limiting valve for the combined sewer catchpit is provided, it can reasonably be controlled and connect flow, and the influent concentration of Wastewater Treatment Plant when being increased in rainy season reduces the pollution load of overflow to the river course
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of floating drum flow-limiting valve for the combined sewer catchpit, described floating drum flow-limiting valve is installed in the outlet pipe place of catchpit, is comprised of floating drum, transmission device and brake lining three parts; Described floating drum is connected with described transmission device by transmission arm, described transmission device inside is provided with gear combination, is connected with described brake lining by the gear engagement, and along with the driven gear that fluctuates of floating drum rotates, thereby moving up and down of control brake lining reaches the purpose of current limliting.
As preferred version, described floating drum is a hollow stainless steel closed cylinder, can bubble through the water column.
As preferred version, an end of described transmission arm is fixedly connected with described floating drum, and the other end is a gear, and with the engagement of the gear combination of described transmission device inside.
As preferred version, when described floating drum placed minimum floating-point, described brake lining was opened fully.
As preferred version, when described floating drum placed the highest floating-point, described brake lining was not exclusively closed.
As preferred version, the width of described brake lining should adapt with the diameter of effluent pipe mouth, thereby can reach the effect of current limliting when putting down brake lining.
As preferred version, described brake lining according to the different set of water level different open degree.
The beneficial effects of the utility model are: the beneficial effect of the utility model and more existing current-limiting apparatus contrasts is: need not power, stable and reliable operation, installation simple and fast; Non-maintaining; Suddenly change without flow; Without follow-up adjusting; Lose without head; Sturdy and durable; Have in the situation of backwater and also can keep stable performance; In addition, can dam the efficiently combined sewage of heavy contamination of the catchpit after the improvement enters the main that dams, and improves the influent concentration of Wastewater Treatment Plant, has effectively reduced the pollution of rainwater to the river course.
Description of drawings
Fig. 1 is the installation site schematic diagram of floating drum flow-limiting valve of the present utility model;
Fig. 2 is floating drum flow-limiting valve structural representation of the present utility model;
Fig. 3 is the working state figure of floating drum flow-limiting valve when dry season;
Fig. 4 is the floating drum flow-limiting valve working state figure in rainwater stage in the early stage;
Fig. 5 is the working state figure of floating drum flow-limiting valve in rainwater stage middle and later periods.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1: catch basin 1 two ends are respectively equipped with a water inlet pipe 2 and an outlet pipe 3, the middle part is provided with a delivery pipe 6, gutter mouth of pipe the place ahead also is provided with an overflow weir 5, floating drum flow-limiting valve described in the utility model is installed in the position of outlet pipe 3, thereby realize the sewage that enters in the catch basin 1 is controlled, when water level does not reach the height of overflow weir 5, sewage is discharged from outlet pipe 3 by floating drum flow-limiting valve 4, when water level surpasses when reaching the height of overflow weir 5, the sewage major part drains in the river course 7 from delivery pipe 6 by overflow weir 5, discharges from outlet pipe on a small quantity.
As shown in Figure 2: a kind of floating drum flow-limiting valve for the combined sewer catchpit is comprised of floating drum 41, transmission device 43 and valve block 44 3 parts; Described floating drum 41 is connected with described transmission device 43 by transmission arm 42, described transmission device 43 inside are provided with gear combination, are connected with described brake lining 44 by the gear engagement, and along with the driven gear that fluctuates of floating drum 41 rotates, thereby moving up and down of control brake lining 44 reaches the purpose of current limliting.
The dam relation of current-limiting apparatus brake lining open degree and water level along with the lifting of water level, reduces gradually but not exclusively closes.Open degree represents inflow-rate of water turbine, and the relation of its inflow-rate of water turbine and water level is as follows:
Water level is in 0 ~ h1: inflow-rate of water turbine is linear change with water level.
Water level is in h1 ~ h2: inflow-rate of water turbine is substantially constant with the variation of water level.
Water level is in h2 ~ h3: inflow-rate of water turbine increases gradually with the variation of water level, but increases not obvious.
Wherein,
The scope of h1 is probably at about 1/2 of diameter;
The scope of h2 is determined according to its limit flow;
H3 is the maximum stage of design.
Floating drum flow-limiting valve duty in catchpit comprises following step:
As shown in Figure 3: the sewage stage in dry season: catchpit 1 interior water level is lower, and floating drum 41 positions are lower, and brake lining 44 is in maximum open degree, and the sewage in the combined system pipeline all enters the sewage intercepting sewer, and flows out from outlet pipe 3;
As shown in Figure 4: the early-stage rainwater stage: catchpit 1 interior water level rises gradually, rise gradually in floating drum 41 positions, brake lining 44 reduces open degree gradually, and the amount of damming strengthens gradually, sewage and early-stage rainwater major part in the combined system pipeline enter the sewage intercepting sewer, and flow out from outlet pipe 3;
As shown in Figure 5: rainwater stage middle and later periods: catchpit 1 interior water level is higher, and water level rises gradually, rises gradually in floating drum 41 positions, brake lining 44 reduces open degree gradually, sewage and rainwater in the amount of the damming substantially constant, combined system pipeline enter the sewage intercepting sewer with steady flow, and flow out from outlet pipe 3;
By above improvement, the effect after the enforcement is as follows: 1, during rainy season, the Sewage Plant inlet COD concentration can be brought up to and be about 300mg/l, has increased the year pollution emission reduction amount of Sewage Plant.2, sewage cuts dirty main the spillway discharge of catchpit is relatively balanced on the way, and the concentrated contaminated water of having avoided concentrated overflow to bring to the river course has reduced the total amount of pollutants discharge of overflow simultaneously.
Principal character and the innovative point of this programme only described in above demonstration.Those skilled in the art should understand, and this programme is not restricted to the described embodiments.Under the prerequisite that does not break away from the innovation point and protection domain, this programme also has various variations, and these changes and improvements all will fall in the claimed scope of this programme.The claimed scope of this programme is limited by appending claims and equivalent thereof.
Claims (7)
1. floating drum flow-limiting valve that is used for the combined sewer catchpit, described floating drum flow-limiting valve is installed in the outlet pipe place of catchpit, it is characterized in that, is comprised of floating drum, transmission device and brake lining three parts; Described floating drum is connected with described transmission device by transmission arm, and described transmission device inside is provided with gear combination, be connected with described brake lining by the gear engagement, and along with the driven gear that fluctuates of floating drum rotates, thereby control moving up and down of brake lining.
2. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, described floating drum is a hollow stainless steel closed cylinder.
3. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, an end of described transmission arm is fixedly connected with described floating drum, and the other end is a gear, and with the engagement of the gear combination of described transmission device inside.
4. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, when described floating drum placed minimum floating-point, described brake lining was opened fully.
5. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, when described floating drum placed the highest floating-point, described brake lining was not exclusively closed.
6. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, the width of described brake lining should adapt with the diameter of effluent pipe mouth, thereby can reach the effect of current limliting when putting down brake lining.
7. a kind of floating drum flow-limiting valve for the combined sewer catchpit as claimed in claim 1 is characterized in that, described brake lining according to the different set of water level different open degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397020 CN202718232U (en) | 2012-08-10 | 2012-08-10 | Buoy flow-limiting valve for combined system sewage intercepting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397020 CN202718232U (en) | 2012-08-10 | 2012-08-10 | Buoy flow-limiting valve for combined system sewage intercepting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718232U true CN202718232U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397020 Expired - Fee Related CN202718232U (en) | 2012-08-10 | 2012-08-10 | Buoy flow-limiting valve for combined system sewage intercepting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574142A (en) * | 2012-08-10 | 2014-02-12 | 烟台水泰和水科技有限公司 | Pontoon flow-limiting valve applied to combined-system sewage catch basin |
| CN103850342A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Spring locking-type hydraulic self-flushing retaining door |
-
2012
- 2012-08-10 CN CN 201220397020 patent/CN202718232U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574142A (en) * | 2012-08-10 | 2014-02-12 | 烟台水泰和水科技有限公司 | Pontoon flow-limiting valve applied to combined-system sewage catch basin |
| CN103850342A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Spring locking-type hydraulic self-flushing retaining door |
| CN103850342B (en) * | 2014-02-21 | 2015-07-08 | 武汉圣禹排水系统有限公司 | Spring locking-type hydraulic self-flushing retaining door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20200810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |