KR100716151B1 - The oil separator for storm wastewater on bridge deck, and the construction and management method of this oil separator - Google Patents

Abstract

The present invention provides a laminar flow of turbulent flow of the water flowing through the tank and the baffle wall and orifice of the tank, where the accumulated wastewater flows in, and precipitates the primary sludge in order to separate the oil accumulated on the bridge of the bridge during precipitation. In order to induce oil flotation according to the specific gravity difference between pure water and oil, due to the treatment tank and orifice sizing considering the ratio of the horizontal vertical velocity of the wastewater and the floating vertical velocity of the oil, and the hydrostatic pressure difference between the wastewater and the rainwater Determining the height of the spill adjusting wear, and separately installing a scheme device for treating the suspended oil, install a collecting tank so as to discharge the separated oil over a long period of time, and the sensor operation when the water tank level rises a certain level The oil is discharged to the outside by notifying the maintainer through. When the rainfall intensity is high during the rainy season, the initial precipitation is as above. The oil treatment is done by using the method.In case of rain that does not contain oil other than the initial rainfall, the high water level overflow sensor and the high water level orifice are installed to be directly discharged to the outside in consideration of the economic scale. The oil switchgear is automatically operated by the high level overflow sensor to prevent the oil from being discharged to the outside, and the gate valve is installed on the secondary effluent to remove all the waste water in the treatment tank before the winter season. We also separate oil and clean water from influent wastewater by adjusting the oil level control slot to adjust the oil level adjusting slot in the wear, and remove the sludge to remove the sludge. Containment and sedimentation of accumulated oil separately to minimize environmental pollution and to reduce the flow rate of wastewater. It is easy to remove and clean the accumulated oil and sludge, and it is installed near the bridge deck or the side of the bridge and the bridge so that the accessibility is good so that there is no bending of the drain pipe, and the drainage drainage device and oil using the same The purpose is to provide a waste water treatment method.

Bridge oil and wastewater separation and drainage apparatus according to the present invention for achieving the above object is a wastewater inflow and primary sludge treatment chamber in which the wastewater accumulated in the bridge through the wastewater outflow pipe, and the oil wastewater It consists of an oil wastewater separation treatment tank consisting of a scheme main chamber, a treatment excellent outflow chamber, an oil scheme treatment chamber, and a separate oil collection tank, and between each chamber of the oil wastewater separation treatment tank, inflow and outflow baffle walls, outflow wear, It is divided into oil scheme seal ware wall, inlet slot orifice and outlet slot orifice. The right wastewater inflow and the first sludge treatment chamber of the oil wastewater treatment tank are formed to settle the oil wastewater and sludge first introduced through the sump and the wastewater outlet pipe and the wastewater inlet at the bridge intersection. The oil wastewater that has passed through the wastewater inflow and primary sludge treatment chamber is introduced into the oil wastewater scheme main chamber as the flow changes from turbulence to laminar flow through the inlet slot orifice installed on the inlet baffle wall, and the oil wastewater scheme main chamber In the bottom plate of the secondary sludge sedimentation chamber having a certain gradient is installed, the oil wastewater scheme main chamber is a low specific gravity according to the horizontal flow rate of the wastewater to inflate the oil by the oil floating speed to the top Size the separation tank to float, guide the wounded oil through the weir of the oil scheme chamber, and accumulate it in the oil scheme treatment chamber. And install an oil sump to discharge the accumulated oil to the outside for a long time, and when the oil accumulated in the sump reaches a certain level, the oil overflow sensor is operated to notify the maintenance manager to discharge the oil to the outside Install the outflow slot orifice and the secondary outflow wear at the bottom of the outflow baffle wall in order to drain the clean water separated from the right wastewater scheme main chamber and the oil suspended by the hydraulic pressure difference between the clean water and the right wastewater In addition, the clean rainwater discharged through the outflow slot orifice is allowed to flow into the natural ground through the upper side of the second outflow wear and the treated rainwater outlet, and when the rainfall intensity is high during the rainy season, the initial precipitation is oiled as described above. And rainfall that does not contain oil other than the initial rainfall flows directly to the outside in consideration of economic scale It is handled through the lock high water level overflow sensor and the high water level orifice.In case of high rainfall as mentioned above, the oil shutoff device is automatically closed by the high water level overflow sensor so that the accumulated oil is not discharged to the outside, The gate valve is installed at the bottom of the secondary outflow ware to remove the wastewater, and at the same time, the oil level is also configured to guide the oil level to the oil chamber by adjusting the oil level control slot.

In addition, the oil wastewater treatment method using the bridge oil and wastewater separation and drainage apparatus according to the present invention for achieving the above object is a wastewater inflow and primary sludge treatment chamber through the inlet through the wastewater accumulated in the bridge bridge And an oil wastewater scheme main chamber for injuring oil to separate it from the rainwater, an oil scheme treatment chamber for inducing and accumulating the injured oil, and an outflow orifice so that oil is further induced by the hydrostatic pressure difference between the treated rainwater and the wastewater. It consists of an excellent waste discharge chamber consisting of a spilled baffleware and a secondary spilled wear, and an oil wastewater separation treatment tank consisting of a collection tank for accumulating the separated oil, and inflow and outflow baffle walls between each chamber of the oil wastewater separation treatment tank. (B) consisting of inflow / outflow wear and slot orifice, adjusting flow rate, flow rate, hydrostatic pressure difference, The primary sludge treatment chamber is configured to first adjust and settle the sludge contained in the flow of oil wastewater introduced through the sump and the wastewater inlet through the sump and the wastewater inlet. The oil wastewater passing through the primary sludge treatment chamber flows into the oil wastewater scheme main chamber as the flow changes from turbulence to laminar flow through the inlet slot orifice installed in the inlet baffle wall, and the bottom bottom of the oil wastewater scheme main chamber The plate is equipped with a secondary sludge sedimentation chamber that accumulates secondary sludge with a certain gradient to clean the fine sludge.In the oil wastewater scheme main chamber, oil having a low specific gravity is floated upward according to the horizontal velocity of the wastewater. In order to guide the suspended oil to the oil scheme chamber, to install the oil sump to discharge the oil over a long period of time, When the oil reaches a certain level, the oil overflow sensor is activated and notified to the maintainer, so that the maintainer pumps the external discharge and pumps out the clean water separated from the oil wastewater scheme main chamber. In order to guide the oil suspended by the pressure difference of the wastewater into the oil scheme chamber, an outlet slot orifice and a secondary outlet wear are installed at the bottom of the outlet baffle wall, and the clean water discharged through the outlet slot orifice and the secondary outlet wear is It flows out to the natural ground through the excellent water outlet and installs and processes the gate valve at the bottom of the secondary outflow ware to empty the effluent in the effluent separation device for maintenance, and at the same time, the oil level control slot on the top of the oil scheme seal ware. Install and adjust the oil to induce oil into the oil chamber.In case of high rainfall intensity, The oil of the water is separated and treated in the same manner as described above, and the rainfall intensity after the high water overflow sensor is installed in the wastewater separation device, and the oil level is integrated by the operation of the high water level overflow sensor when the water level is reached. It automatically closes the oil opening and closing device so that the collected oil is not discharged to the outside, and installs a high water outlet orifice so that rainwater is directly discharged, and the oil wastewater is separated and drained.

Bridge, oil, wastewater, separate drainage

Description

The oil separator for storm wastewater on bridge deck, and the construction and management method of this oil separator}

1 is a cross-sectional view showing a manner of discharging the waste water generated in a conventional bridge,

2 is a side view showing a method of discharging wastewater generated in a conventional bridge;

3 is a perspective view showing a drain pipe, a sump, a multi-purpose drain channel combined with a common ball used in a conventional bridge,

Figure 4 is a perspective view showing a state in which the oil and wastewater separation and drainage apparatus according to the present invention is installed in the bridge body,

5 is a plan view showing an upper bottom of the oil and wastewater separation and drainage device according to the present invention;

Figure 6 is a plan view showing the bottom bottom of the oil and wastewater separation and drainage apparatus according to the present invention,

FIG. 7 is a view illustrating a wastewater treatment state, and taken along line A-A of FIG. 5;

8 is a view illustrating an excessive inflow water treatment state, a cross-sectional view taken along line B-B of FIG.

FIG. 9 is a diagram illustrating a scheme of treated oil, and a sectional view taken along line C-C of FIG. 5;

10 is a cross-sectional view showing a state in which the oil and wastewater separation and drainage apparatus according to the present invention is installed in the bridge body,

11 is a cross-sectional view showing a state in which a bridge oil and wastewater separation and drainage device and a multi-purpose drainage channel according to the present invention are combined;

FIG. 12 is a cross-sectional view illustrating an oil and treatment water level adjusting device, in which the portion “A” of FIG. 7 is enlarged;

FIG. 13 is a side view of the oil and treatment water level adjusting device, in which the enlarged portion “A” of FIG. 7 is shown;

FIG. 14 is a sectional view showing enlarged portion “B” of FIG.

FIG. 15 is a side view of the wastewater inflow and treatment storm water discharge orifice, in which the portion “B” of FIG. 7 is enlarged.

Explanation of symbols on the main parts of the drawing

10: wastewater inflow and primary sludge treatment chamber 10a: oil wastewater scheme main chamber

10b: excellent drainage chamber 10c: oil scheme chamber

11: wastewater inlet 12: 1st sludge sediment

13: Disposal Outlet 14: Inlet Baffle Wall

16: Oil tank 18: Inlet slot orifice

20: secondary sludge settling chamber 23: oil scheme chamber wear wall

24: bolt nut 25: washer

26: level control steel plate 27: level control oval slot

28: outflow baffle wall 30: outflow slot orifice

32: 2nd spill wear 34: Tank bottom plate

35: collection tank bulkhead 36: gate valve

38: retractable cover 40: multi-purpose combined drain channel

42: handrail 44: high water overflow orifice

46: high water level overflow sensor 48: oil opening and closing device

50: oil inlet pipe 52: oil outlet

54: oil overflow sensor 60: firewall

62: sump crystal 64: bridge wrap

66: base plate 68: mold

70: bracket 72: wastewater discharge pipe

74: natural ground

O: Separation drainage system for bridge oil and wastewater

HOL: High Oil Level HWL: High Water Level

MSL: Average Water Level

The present invention relates to a bridge oil and wastewater separation and drainage apparatus and an oil wastewater treatment method using the same, in particular, turbulent properties of the precipitation introduced to separate the oil and tire wear fragments precipitated with precipitation during the bridge Is converted into laminar flow, sediment with large and small specific gravity is sedimented in the 1st and 2nd, and the oil vertical float rate is adjusted to the horizontal flow rate of the waste water so as to float the oil by the specific gravity difference of water and oil. Due to the difference in the hydrostatic pressure between rainwater and wastewater, an oil scheme chamber is installed to treat the suspended oil separately, and a sewage tank is installed to discharge the separated oil for a long time. If it is discharged to the outside and the rainfall during the rainy season is considerably high, the initial flow rate is separated from the oil in the same way as above. While installing the high level overflow sensor and orifice so that water flows directly to the outside, close the hole by operating the oil switchgear with the high level overflow sensor alarm when the water level is reached so that the treated oil is not discharged to the outside. The treatment superior relates to a bridge oil and wastewater separation and drainage device for allowing natural outflow to the outside, and an oil wastewater treatment method using the same.

1 and 2, the wastewater generated in the conventional bridge is guided through the ground of the bridge and flows to the natural ground without separation of oil and rainwater along the induction drainage pipe through the sump, or recently. Although the mechanical separation device is installed in the coping girder of the piers, the wastewater is treated.However, the turbulent flow rate of the wastewater that flows up to the piers is not converted into laminar flow. It is uncertain and its capacity is small, so it is uncertain about 30mm processing capacity, which is the rainfall intensity most of the year, and maintenance activities are considerably increased due to the increase of the number of filter replacements. As for the problem, there is a problem that there is little effect of oil separation from the wastewater due to the loss of treatment capacity.

Accordingly, the present invention has been made to solve the problems described above, in order to separate the oil accumulated in the bridge of the bridge during precipitation, the integrated wastewater is introduced, and the water tank to precipitate the primary sludge; In order to change the turbulent flow of water flowing through the baffle wall and the orifice of the tank to laminar flow, and to induce oil floating due to the specific gravity difference between pure water and oil, considering the ratio of the horizontal flow rate of wastewater and the vertical vertical velocity of oil. Determination of the height of the outflow adjustment wear due to the size of the treatment tank and orifice and the difference of the hydrostatic pressure between the wastewater and the treatment rainwater, and the installation of a scheme to treat the suspended oil, and the collection tank to discharge the separated oil for a long time. And install the oil, and when the water tank level rises to a certain level, notifies the maintainer through the operation of the sensor to discharge oil to the outside In case of heavy rainfall during the rainy season, the initial precipitation is treated with oil in the same way as above. Rainfall that does not contain any oil other than the initial rainfall has a high water level overflow sensor and coriander so that it can be discharged directly to the outside in consideration of economic scale. Install the orifice for the stomach, and operate the oil switchgear automatically by the high water level overflow sensor so that the accumulated oil is not discharged to the outside during the high rainfall, and to remove all the rain water in the treatment tank before the winter season By installing a gate valve on the outflow ware, and simultaneously adjusting the oil level control slot on the oil scheme seal, the oil separation device is introduced to guide the floating oil to the oil scheme room. Separates and discharges, removes sludge, essentially blocks the malfunction of the drain pipe, and accumulates oil To minimize environmental pollution and to reduce the flow rate of wastewater, and to easily remove and clean accumulated oil and sludge, and to be installed near the side and pier of bridge deck or mold for better accessibility. It is an object of the present invention to provide an oil and wastewater separation and drainage device for bridges and oil wastewater treatment using the same.

Bridge oil and wastewater separation and drainage apparatus according to the present invention for achieving the above object is a wastewater inflow and primary sludge treatment chamber in which the wastewater accumulated in the bridge through the wastewater outflow pipe, and the oil wastewater It consists of an oil wastewater separation treatment tank consisting of a scheme main chamber, a treatment excellent outflow chamber, an oil scheme treatment chamber, and a separate oil collection tank, and between each chamber of the oil wastewater separation treatment tank, inflow and outflow baffle walls, outflow wear, It is divided into oil scheme seal ware wall, inlet slot orifice and outlet slot orifice.

The right wastewater inflow and the first sludge treatment chamber of the oil wastewater treatment tank are formed to settle the oil wastewater and sludge first introduced through the sump and the wastewater outlet pipe and the wastewater inlet at the bridge intersection. The oil wastewater that has passed through the wastewater inflow and primary sludge treatment chambers is introduced into the oil wastewater scheme main chamber as the flow changes from turbulence to laminar flow through the inlet slot orifice installed on the inlet baffle wall, and the oil wastewater scheme main chamber In the bottom plate of the secondary sludge sedimentation chamber having a certain gradient is installed, the oil wastewater scheme main chamber is a low specific gravity according to the horizontal flow rate of the wastewater to inflate the oil by the oil floating speed to the top Size the separation tank to float, guide the wounded oil through the weir of the oil scheme chamber, and accumulate it in the oil scheme treatment chamber. And install a collecting tank to discharge the accumulated oil to the outside for a long time, and operate the oil overflow sensor when the accumulated oil reaches the predetermined level to notify the maintenance manager to discharge the oil to the outside, and Install the outflow slot orifice and the secondary outflow wear at the bottom of the outflow baffle wall in order to drain the clean water separated from the right wastewater scheme main chamber and the oil suspended by the hydraulic pressure difference between the clean water and the right wastewater In addition, the clean rainwater discharged through the outflow slot orifice is allowed to flow into the natural ground through the upper side of the second outflow wear and the treated rainwater outlet, and when the rainfall intensity is high during the rainy season, the initial precipitation is oiled as described above. And rainfall that does not contain oil other than the initial rainfall flows directly to the outside in consideration of economic scale It is handled through the lock high water level overflow sensor and the high water level orifice.In case of high rainfall as mentioned above, the oil shutoff device is automatically closed by the high water level overflow sensor so that the accumulated oil is not discharged to the outside, The gate valve is installed at the bottom of the secondary outflow ware to remove the wastewater, and at the same time, the oil level is also configured to guide the oil level to the oil chamber by adjusting the oil level control slot.

In addition, the oil wastewater treatment method using the bridge oil and wastewater separation and drainage apparatus according to the present invention for achieving the above object is a wastewater inflow and primary sludge treatment chamber through the inlet through the wastewater accumulated in the bridge bridge And an oil wastewater scheme main chamber for injuring oil to separate it from the rainwater, an oil scheme treatment chamber for inducing and accumulating the injured oil, and an outflow orifice so that oil is further induced by the hydrostatic pressure difference between the treated rainwater and the wastewater. It consists of an oil drainage water separation treatment tank consisting of a rainwater discharge chamber consisting of an outflow baffleware and a secondary outflow wear, and a collection tank for accumulating the separated oil, and inflow and outflow baffle walls between each chamber of the oil wastewater separation treatment tank. (B) consisting of inflow / outflow wear and slot orifice, adjusting flow rate, flow rate, hydrostatic pressure difference, The primary sludge treatment chamber is configured to first adjust and settle the sludge contained in the flow of oil wastewater introduced through the sump and the wastewater inlet through the sump and the wastewater inlet. The oil wastewater passing through the primary sludge treatment chamber flows into the oil wastewater scheme main chamber as the flow changes from turbulence to laminar flow through the inlet slot orifice installed in the inlet baffle wall, and the bottom bottom of the oil wastewater scheme main chamber The plate is equipped with a secondary sludge sedimentation chamber that accumulates secondary sludge with a certain gradient to clean the fine sludge.In the oil wastewater scheme main chamber, oil having a low specific gravity is floated upward according to the horizontal velocity of the wastewater. In order to guide the suspended oil to the oil scheme chamber, to install the oil sump to discharge the oil over a long period of time, When the oil reaches a certain level, the oil overflow sensor is activated and notified to the maintainer, so that the maintainer pumps the external discharge and pumps out the clean water separated from the oil wastewater scheme main chamber. In order to guide the oil suspended by the pressure difference of the wastewater into the oil scheme chamber, an outlet slot orifice and a secondary outlet wear are installed at the bottom of the outlet baffle wall, and the clean water discharged through the outlet slot orifice and the secondary outlet wear is It flows out to the natural ground through the excellent water outlet and installs and processes the gate valve at the bottom of the secondary outflow ware to empty the effluent in the effluent separation device for maintenance, and at the same time, the oil level control slot on the top of the oil scheme seal ware. Install and adjust the oil to induce oil into the oil chamber. The oil of the water is separated and treated in the same manner as described above, and the rainfall intensity after the high water overflow sensor is installed in the wastewater separation device, and the oil level is integrated by the operation of the high water level overflow sensor when the water level is reached. It automatically closes the oil opening and closing device so that the collected oil is not discharged to the outside, and installs a high water outlet orifice so that rainwater is directly discharged, and the oil wastewater is separated and drained.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

Figure 4 is a perspective view showing a state in which the oil and wastewater separation and drainage apparatus according to the present invention is installed in the bridge body, Figure 5 is a plan view showing the top bottom of the oil and wastewater separation and drainage apparatus according to the present invention, 6 is a plan view showing a bottom bottom of the oil and wastewater separation and drainage apparatus according to the present invention, FIG. 7 is a view illustrating a wastewater treatment state, and is a cross-sectional view taken along line AA of FIG. 5, and FIG. 5 is a cross-sectional view taken along line BB of FIG. 5, and FIG. 9 is a cross-sectional view taken along line CC of FIG. 5, and FIG. 10 is an oil and wastewater separation and drainage device according to the present invention. Figure 11 is a cross-sectional view showing a state installed in, Figure 11 is a cross-sectional view showing a state in which the bridge oil and wastewater separation and drainage device and the multi-purpose drainage channel according to the present invention is coupled, Figure 12 is a good water and oil treatment 7 is an enlarged cross-sectional view of portion "A" of FIG. 7, and FIG. 13 is an enlarged side view of portion "A" of FIG. 7, and FIG. 14 shows the wastewater inflow and treatment storm drain orifice, is an enlarged cross-sectional view of the "B" portion of Figure 7, Figure 15 shows the wastewater inflow and storm drainage orifice, "B" of FIG. "Side view showing an enlarged view.

As shown in these drawings, the bridge oil and wastewater separation and drainage device O according to the present invention is the right wastewater integrated through the right wastewater discharge pipe 72 and the inlet port 11 accumulated in the bridge Oil tank 16 for inflow and primary sludge treatment chamber 10, oil wastewater scheme main chamber 10a, treatment excellent outflow chamber 10b, oil scheme treatment chamber 10c and separated oil It consists of an oil wastewater separation treatment tank (O) consisting of, inlet and outlet baffle wall (14, 28) between each chamber (10, 10a, 10b, 10c, 16) of the oil wastewater separation treatment tank (O). ), And the second outflow wear 32 and the oil scheme seal ware wall 23, the flow rate is adjusted to the inlet slot orifice 18 and the outlet slot orifice 30 at the bottom of the baffle, and the wastewater inflow And the first sludge treatment chamber (10) through the sump (62) and the right wastewater outlet pipe (72) and the right wastewater inlet (11) at the bridge intersection. The oil wastewater accumulated and the sludge is formed to settle first, and the oil wastewater passing through the wastewater inlet and the first sludge treatment chamber 10 is an inlet slot orifice 18 installed on the inlet baffle wall 14. While flowing from turbulence to laminar flow through the oil wastewater scheme main chamber (10a), the secondary sludge sedimentation chamber having a certain gradient in the bottom bottom plate 34 of the oil wastewater scheme main chamber (10a) (20) is installed, the oil wastewater scheme main chamber (10a) is to establish a horizontal flow rate of the wastewater to inflate the oil while determining the size of the separation tank so that the oil with a small specific gravity rises to the top by the oil floating speed Induced through the weir 23 of the oil scheme chamber (10c) through the injured oil through it, to install the sump tank 16 to discharge the accumulated oil to the outside for a long time, the sump tank 16 Oil accumulated in the schedule Upon reaching the upper side, the oil overflow sensor 54 is operated to notify the maintainer, to discharge the oil to the outside, to treat the oil, and to drain the clean water separated from the oil wastewater scheme main chamber 10a. In order to further induce oil suspended by the hydraulic pressure difference of the waste water into the oil scheme chamber 10c, an outlet slot orifice 30 and a secondary outlet wear 32 are installed at the bottom of the outlet baffle wall 28, and the outflow The clean rainwater discharged through the slot orifice 30 is configured to flow out to the natural ground 74 through the treatment excellent outlet 13 through the upper portion of the secondary outflow wear 32.

Here, the wastewater separation treatment tank (O) is installed on the side and the pier of the bridge upper structure bottom plate 66 or the mold 68 for easy maintenance, the oil wastewater separation treatment tank (O) top There is a structure to facilitate the access of the maintainer at any time by installing a lid 38 to enter and exit the inside.

In addition, an oil inflow pipe 50 is installed in the oil scheme chamber 10c so that oil integrated into the oil open / close device 48 and the collection tank is introduced, and the oil open / close device 48 is an oil wastewater separation treatment tank ( When the water level of O) reaches the highest water level (HWL), it is automatically closed by the detection of the high water level overflow sensor 46 so that the accumulated oil is not discharged to the outside, and the oil of the sump 16 is at the highest water level. When the HOL is reached, the oil overflow sensor 54 is operated to notify the maintenance manager, and is configured to be pumped out through the oil outlet 52.

The oil opening and closing device 48 of the high water level overflow sensor 46 when the rainwater excessively introduced after the initial oil wastewater treatment reaches the highest water level (HWL) when the rainfall intensity due to heavy rain in summer continues. Automatically closes to prevent oil from the separated sump 16 from being discharged to the outside by automatically operating the oil switchgear 48 installed in the oil scheme chamber 10c through the detection, and the highest water level (HWL) The above rainwater is configured to maintain the function of the wastewater separation treatment device at any rainfall intensity by directly passing through the high water level orifice 44 and outflowing to the natural ground 74 through the treated water outlet 13.

And before winter or when maintenance is required, the oil and wastewater accumulated in the wastewater separation treatment tank (O) completely empty, or for maintenance, such as cleaning, to the top of the oil wastewater scheme main chamber (10a) In order to guide the accumulated oil to the outside, the water level adjusting steel plate 26 is adjusted with the bolt and nut 24 in the water level adjusting oval slot 27 on the top of the oil scheme seal ware wall 23 to lower the water level, The oil into the oil scheme chamber (10c) and the oil collection tank (16), and installs the gate valve (36) at the bottom of the secondary outflow wear 32 to discharge the rainwater to clean oil and wastewater separation treatment device ( O) is emptied and configured to facilitate cleaning.

The oil wastewater treatment using the bridge oil and the wastewater separation and drainage apparatus according to the present invention having the configuration as described above will be described.

Oil wastewater treatment method using the bridge oil and wastewater separation and drainage device according to the present invention is the wastewater inflow and primary sludge treatment chamber 10 and the oil through the inlet 11 to the wastewater accumulated in the bridge bridge Oil wastewater scheme main chamber (10a) for injuring and separating from rainwater, oil scheme treatment chamber (10c) for inducing injured oil, and an outflow with an outflow orifice so that oil is further floated by the hydrostatic pressure difference between the treated rainwater and the wastewater An oil wastewater separation treatment tank (O) consisting of a wastewater treatment chamber (10b) composed of baffleware and secondary effluent wear, and a collection tank (16) for accumulating separated oil, and separating the oil wastewater Between the chambers 10, 10a, 10b, 10c, 16 of the treatment tank O is composed of inlet and outlet baffle walls 14 and 28, secondary outlet wear 32 and slot orifices 18 and 30. Adjust the flow rate, flow rate, hydrostatic pressure difference, the right closed The inflow and primary sludge treatment chamber 10 includes the flow of oil wastewater introduced through the sump 62, the wastewater outlet pipe 72, and the wastewater inlet 11 at the bridge intersection. It is formed to adjust and settle the sludge firstly, the oil wastewater flowing through the right wastewater inlet and the first sludge treatment chamber 10 is in turbulent flow through the inlet slot orifice 18 installed in the inlet baffle wall 14. The secondary sludge which flows into the oil wastewater scheme main chamber 10a as the flow changes to the laminar flow, and integrates the secondary sludge having a predetermined gradient in the bottom bottom plate 34 of the oil wastewater scheme main chamber 10a. The sedimentation chamber 20 is installed to clean the fine sludge.In the oil wastewater scheme main chamber 10a, oil having a low specific gravity is floated upward according to the horizontal velocity of the wastewater, and the suspended oil is oil schemed. Long term integration in the seal 10c The collection tank 16 is installed to discharge the oil over the whole, and when the oil accumulated in the collection tank 16 reaches a certain level, the overflow sensor 54 is operated to notify the maintenance manager, so that the maintenance manager pumps the outside. The discharged baffle wall is discharged to discharge the clean water separated from the oil wastewater scheme main chamber 10a, and the oil suspended by the pressure difference between the clean water and the wastewater flows into the oil scheme chamber 10c. At the lower end of the 28, the outlet slot orifice 30 and the secondary outflow wear 32 are installed, and the clean water leaked out through the outflow slot orifice 30 and the secondary outflow wear 32 is treated with an excellent water outlet ( 13) flows into the natural ground 74, and the gate valve 36 is installed and treated at the bottom of the secondary outflow wear 32 to empty the wastewater in the wastewater separation device for maintenance, and at the same time the oil scheme Oil level control at the top of sealware (23) The plate 26, the slot 27 and the bolt nuts 24 and 25 are installed and adjusted to guide the suspended oil to the oil scheme chamber 10c. When the rainfall intensity is high, the oil of the initial wastewater is The separation process as described above, and the rainfall intensity after the high water overflow sensor 54 is installed in the right wastewater separator (O), and when the water level is reached by the operation of the high water level overflow sensor 54 By automatically closing the oil opening and closing device 48 of the oil outlet chamber 50 of the oil scheme chamber 10c so that the collected oil is not discharged to the outside, a high water level outlet orifice 44 is installed so as to discharge rainwater directly. Drain the wastewater.

Therefore, the bridge oil and wastewater separation and drainage apparatus and the wastewater treatment method using the same according to the present invention constituted as described above and composed of a treatment system can recover oil having a diameter of 15 μ (0.015 cm) or more in the cross section. If the accumulated rainfall is 1000PPM when the oil flows in, when the oil is treated to 30PPM in the outflow, more than about 97% of oil is removed, thereby minimizing environmental pollution due to oil drainage.

As described above, the bridge oil and wastewater separation and drainage apparatus and the oil wastewater treatment method using the same according to the present invention have the following effects.

First, the present invention changes the flow of the incoming water into laminar flow and at the same time separates the oil by gravity method by adjusting the flow rate, so that the diameter of the oil can be recovered to 15μ through the separation of the waste water and the oil. With 97% treatment effect, it is possible to minimize the environmental damage caused by the inflow of wastewater into farmland, rivers, and lakes, and to change the flow rate of rainfall and oil by installing it on the side of the bridge deck or mold adjacent to the road drainage level. This prevents the wastewater induced by waste water from maintaining its function due to the vortex, and is easily accessible from the upper surface of the bridge, so that sludge removal and oil removal and cleaning are easy, and thus maintenance is very convenient.

Second, the present invention by installing a small scale on the side of the bridge upper base plate and the mold, can save the bridge beauty because there is no hazard to the landscape, by separately collecting and cleaning sludge sludge deposited in the rainwater, drain pipe There is no risk of sediment accumulating in the building to block drainage pipes or corrosion of the drainage pipes, and it is effective in blocking the source of civil complaints since it is a treatment facility that meets the emission standards for airspace.

Third, the present invention is a gravity-based method, the treatment effect is sure and economical and maintenance costs are low, there is no fear of failure, which is a problem of the mechanical method has the effect that the function is always maintained.

Fourthly, the present invention treats the oil of the initial rainfall when the rainfall intensity is very large, and after that, the rainfall containing no oil is directly discharged to the outside through the high-level overflow orifice to prepare for heavy rain, and at this time, the oil The oil outlet is automatically closed by the detection of the high water level overflow sensor to prevent it from being released, and the oil tank is discharged in the tank for a long time, and the oil level sensor is installed and the maintenance manager is notified when the water level is reached. There is an advantage as an automatic maintenance system to find a.

Claims (7)

The right wastewater accumulated at the cross-section is the wastewater inflow and primary sludge treatment chamber 10 introduced through the wastewater outlet pipe 72 and the inlet 11, the oil wastewater scheme main chamber 10a, and the treatment excellentness. An oil wastewater separation treatment tank O consisting of an outflow chamber 10b, an oil scheme treatment chamber 10c, and a collection tank 16 for accumulating separated oil, and the oil wastewater separation treatment tank O Between each chamber 10, 10a, 10b, 10c, 16 of the inlet and outlet baffle wall (14, 28), outflow wear 32 and oil scheme seal ware wall (23) and inlet slot orifice (18) It is divided into an outlet slot orifice (30), and the inflow and wastewater inlet and the first sludge treatment chamber (10) is introduced through the sump (62) and the wastewater outlet pipe (23) and the wastewater inlet (11) at the bridge bridge. It is formed to precipitate the first oil waste water and sludge, and the oil waste that has passed through the waste water inlet and the first sludge treatment chamber 10. As the flow is changed from turbulent flow to laminar flow through the inlet slot orifice 18 installed on the inlet baffle wall 14, it is introduced into the oil wastewater scheme main chamber 10a, and the lower end of the oil wastewater scheme main chamber 10a. The bottom plate 34 is provided with a secondary sludge sedimentation chamber 20 having a predetermined gradient, and the oil wastewater scheme main chamber 10a has a low specific gravity while forming a horizontal flow velocity of the wastewater to float the oil. The separation tank is sized so as to float by the oil floating speed to the upper portion, and the injured oil is guided through the weir 23 of the oil scheme chamber 10c to be accumulated, and the accumulated oil is discharged to the outside for a long time. Install the collecting tank 16, and when the oil accumulated in the collecting tank 16 reaches the highest level, operating the oil overflow sensor 54 to notify the maintenance manager, discharge the oil to the outside to process, Oil Wastewater Schime The outflow slot at the bottom of the outflow baffle wall 28 in order to drain the clean rainwater separated from the in-chamber 10a and to further introduce the oil suspended by the hydraulic pressure difference between the clean rainwater and the right wastewater into the oil scheme chamber 10c. Orifice (30) and the secondary outflow wear 32 is installed, the clean rainwater discharged through the outflow slot orifice (30) is the natural ground through the treatment excellent outlet 13 through the secondary outflow wear 32 In case of heavy rain, the initial flow rate is separated as described above, and the rainfall then operates the high water level overflow sensor 46 to discharge the oil collected through the oil inlet pipe 50. The oil opening and closing device 48 is automatically closed so that the rain is discharged to the natural ground 74 directly through the outlet 13 through the high water level orifice 44 installed on the HWL. To remove the right wastewater in the wastewater separation treatment tank (O) The gate valve 36 is installed at the bottom of the secondary outflow wear 32, and the steel plate 26 for adjusting the water level at the top of the oil scheme sealware 23 and the slot (to guide the suspended oil to the oil scheme chamber 10c). 27), the bridge oil and wastewater separation and drainage device, characterized in that configured to install the bolt nuts (24, 25). The method of claim 1, The wastewater separation treatment tank (O) is provided with a treatment drain (13) on the side or pier of the bridge superstructure bottom plate (66) or the mold (68) for easy maintenance, and the treatment drain (12). ) The cap 38 is installed at the top to allow access to the oil wastewater separation treatment tank (O), and the height of the wear and the orifice size allow the oil separation of the bridge wastewater to have the relationship between the horizontal flow rate and the floating speed, and the water level pressure difference. Bridge oil and wastewater separation and drainage device, characterized in that for separating and treating the oil through adjustment. The method of claim 1, The oil in the oil scheme chamber 10c is integrated into the collection tank 16 through the oil opening and closing device 48 and the oil inflow pipe 50, and the oil opening and closing device 48 is an oil wastewater separation treatment tank O. ) Is automatically closed through the detection of the high water level overflow sensor 46 so that the accumulated oil is not released to the outside when the water level reaches the highest water level (HWL) and directly discharges the wastewater directly through the high water level orifice 44. When the oil level of the sump 16 reaches a certain level, the oil overflow sensor 54 is operated to notify the maintenance manager, and the bridge is configured to discharge to the outside through the oil outlet 52 by pumping out. Oil and wastewater separation and drainage system. The method of claim 1, Heavy Rainfall Rainfall with a certain Rainfall Intensity Rainfall River City Wastewater Separation Treatment Tank (O) Automatically when the rainfall reaches the highest water level (HWL) after the initial treatment of oil wastewater in the same way as above. By operating the oil opening and closing device 48 installed in the oil scheme chamber (10c) to automatically shut off to prevent the oil of the integrated collection tank (16) is discharged to the outside, the high water level (HWL) reaching excellent water level Oil and wastewater separation and drainage device for a bridge, characterized in that configured to flow directly through the orifice orifice 44 to the natural ground (74) through the treatment excellent outlet (13). The method of claim 1, In order to process the accumulated oil on the upper end of the oil wastewater scheme main chamber 10a, the oil level control steel plate 26 on the water level adjusting oval slot 27 on the top of the oil scheme seal ware wall 23 is bolted to a nut and a nut 24. To lower the water level, guide the oil accumulated at the top to the oil scheme chamber 10c, and install the gate valve 36 at the bottom of the secondary outflow wear 32 to separate the wastewater treatment tank O. Bridge oil and waste water separation and drainage device, characterized in that to remove the waste water in the). The method of claim 1, Composed of the chamber 10 and the secondary sludge sedimentation chamber 20 to integrate the sludge accumulated in the bridge by a predetermined gradient and chamber in the lower bottom plate 34 of the wastewater separation treatment tank (O) Oil and wastewater separation and drainage system for bridges. The right wastewater accumulated at the bridge bridge is the wastewater inflow and primary sludge treatment chamber 10 introduced through the wastewater outlet pipe 72 and the inlet 11, and the oil wastewater separating oil from the wastewater by floating the oil. The oil treatment chamber 10c in which the scheme main chamber 10a and the injured oil are guided and accumulated, and the treatment excellent outflow chamber guided to the oil scheme treatment chamber 10c through an additional oil float by the hydrostatic pressure difference between the treatment excellent and the wastewater ( 10b) and an oil wastewater separation treatment tank O consisting of a collection tank 16 for accumulating separated oil, each chamber 10, 10a, 10b, of the oil wastewater separation treatment tank O, 10c and 16 are divided into inflow and outflow baffle walls 14 and 28, secondary outflow wear 32 and inflow slot orifices 18 and outflow slot orifices 30, and the wastewater inflow and primary sludge The oil wastewater generated at the bridge bridge is disposed in the treatment chamber 10 and the sump 62. The oil wastewater and sludge introduced through the outflow pipe 72 and the wastewater inlet 11 are formed to precipitate first, and the oil wastewater passing through the wastewater inflow and the first sludge treatment chamber 10 is As the flow changes from turbulent flow to laminar flow through the inlet slot orifice 18 installed on the inlet baffle wall 14, it is introduced into the oil wastewater scheme main chamber 10a, and the bottom bottom of the oil wastewater scheme main chamber 10a. The plate 34 is provided with a secondary sludge sedimentation chamber 20 for accumulating secondary sludge having a predetermined gradient to clean the fine sludge, and in the oil wastewater scheme main chamber 10a at the horizontal velocity of the wastewater. Accordingly, the oil having a low specific gravity is floated to the upper portion, and the oil collected in the oil tank chamber 10c is introduced to the oil scheme chamber 10c to discharge the oil for a long time. When the oil reaches a certain level By operating the overflow sensor 54 to notify the maintenance manager, the maintenance process is discharged by the maintenance pump, the clean water separated from the oil wastewater scheme main chamber (10a), the clean water and the pressure of the wastewater In order to further guide the oil suspended by the car to the oil scheme chamber 10c, an outlet slot orifice 30 and a secondary outlet wear 32 are installed at the bottom of the outlet baffle wall 28, and the outlet slot orifice ( 30) and the clean rainwater discharged through the secondary effluent wear 32 flows to the natural ground 74 through the treated rainwater outlet 13, and the secondary water to empty the wastewater separator (O) for maintenance. Install the gate valve 36 at the bottom of the outflow wear 32, and at the same time separate the oil suspended in the upper end of the oil waste water scheme main chamber (10a) to the oil scheme wear (23) to be guided to the oil scheme chamber (10c) The steel plate for level adjustment (26) on the top slot (27) and bolt nuts (24, 25) Fixed and adjusted, when the rainfall intensity is high, the oil of the initial wastewater is separated and treated as in the above method, and the subsequent rainfall intensity is provided with a high water level overflow sensor 46 in the wastewater separator (O). When the oil reaches the water level, the outlet 13 of the integrated oil scheme chamber 10c automatically closes the oil opening / closing device 48 so that the collected oil is not discharged to the outside, and the high water spill is discharged directly to discharge rainwater. The oil wastewater treatment method using the bridge oil and wastewater separation and drainage device, characterized in that the orifice (44) is installed to drain oil wastewater.

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