KR20090027496A

KR20090027496A - Apparatus for controlling flow of storm overflowchamber in combined sewer system

Info

Publication number: KR20090027496A
Application number: KR1020070092759A
Authority: KR
Inventors: 김태산; 염병대
Original assignee: 주식회사 제일엔지니어링
Priority date: 2007-09-12
Filing date: 2007-09-12
Publication date: 2009-03-17

Abstract

The present invention relates to a combined sewage system, and more particularly, to an excellent soil discharge control device of a combined sewage system that can control or block the amount of sewage flowing into rainwater tosoil according to the level of sewage pipes in Cheongcheon and rainy weather in the combined sewage system. will be.

Rainwater chamber flow control device according to the present invention, buoy lifting in accordance with the sewage pipe level; A rack for elevating in a direction opposite to that of the buoy in conjunction with the buoy; And a slidably installed at an inlet of the rainwater discharge chamber communicating with the sewage pipe, connected to the rack, and sliding to open and close the inlet of the rainwater discharge chamber while sliding when the rack is lifted.

Description

Apparatus for controlling flow of storm overflowchamber in combined sewer system}

1 is a plan view showing a state in which the storm drain control apparatus according to an embodiment of the present invention is installed in the combined sewage system;

2 is a perspective view of the combined sewage system of FIG. 1;

3 is a cross-sectional view taken along line II ′ of FIG. 1 in Cheongcheon;

4 is a sectional view taken along the line II-II 'of FIG.

FIG. 5 is a cross-sectional view taken along line II ′ of FIG. 1 of the first rainy weather or rainy weather; FIG.

FIG. 6 is a sectional view taken along line II ′ of FIG. 1 in a rainy city with heavy rainfall; FIG. And

7 is a cross-sectional view taken along the line II-II 'of FIG. 1 during rain.

Explanation of symbols on the main parts of the drawings

10: excellent soil room 20: buoy room

30: sewer pipe 50: sewer collector

60: sewage treatment plant 100: buoy

110: wire 120: spring

130: lower stopper 200: water gate

220: counter weight 400: shaft

410, 450: first and second racks 420, 460: first and second tracks

430, 470: first and second gear

Generally, sewage systems include a combined sewage system that discharges rainwater and sewage into the same sewer pipe, and a sewage system that separates sewage pipes and rainwater pipes into separate sewage.

Most sewage systems in major cities in Korea, including Seoul, consist of a combined sewage system. In the combined sewage system, sewage and rainwater flow into a single sewer pipe, that is, a conduit pipe. In such a combined sewage system, only an appropriate amount of sewage should be sent to the sewage treatment plant during rainfall, and the rest should be discharged to the stream. This is to prevent such a problem in advance if a large amount of sewage containing rainwater during rainfall is supplied to the sewage treatment plant, the treatment capacity of the sewage treatment plant is insufficient.

As described above, rainwater is separated from the sewage pipe by the appropriate amount of sewage, and the facility is sent to the sewage treatment plant. The basic required function of the stormwater is first, completely closed if the sewage level in the sewage pipe is above a certain level, second, fully opened if the water level in the sewage pipe is below a certain level, third, between the upper and lower limits of the schedule The opening degree of the sluice will be linked to the water level, and fourth, moving parts will facilitate the maintenance by reducing direct contact with the sewage, if possible.

In the case of a flap type reverse taintor gate, which is widely used in the combined sewage system of Korea, the water gate is automatically opened in conjunction with the water level, but closed by its own weight when closed. However, the hydrological structure of such a structure has a problem that the hydrological gate is hard to be completely closed by its own weight when the water level is high due to the extreme increase in the river level as in flooding.

In addition, the above-mentioned flap-type water gate is generally configured such that a float moves up and down along the guide. By the way, when the fine sewage contained in the sewage and rainwater is caught in the guide, the buoy does not rise and rise normally in response to the water level, and thus there is a problem that the water gate is not properly opened and closed corresponding to the water level.

The present invention has been made to solve the above problems, it is to improve the structure of the storm drain control system of the combined sewage system so that the water gate can be opened and closed well even at high water pressure.

Another object of the present invention is to improve the structure of the storm sediment flow control system of the combined sewage system so that the lifting movement of the buoy and the opening and closing movement of the water gate by the fine dirt contained in the sewage and rainwater are not disturbed.

It is still another object of the present invention to improve the structure of the storm drain control system of the combined sewage system to facilitate maintenance by reducing direct contact between the sewage parts and the sewage according to the water level.

In one embodiment of the present invention for achieving the above object, a buoy to rise and fall according to the sewage pipe level; A rack for elevating in a direction opposite to that of the buoy in conjunction with the buoy; And a slidably installed at an inlet of the rainwater discharge chamber communicating with the sewage pipe, and connected to the rack to slide the rising and falling of the rack while opening and closing a water gate to open and close the inlet of the rainwater discharge chamber. Provide the device.

The sluice gate is connected to the rack by a link, and may be installed to slide about the inlet while rotating about a rotation axis when the rack is lifted.

Rainwater tosoil flow regulating device according to an embodiment of the present invention, the counter is installed on the opposite side of the water gate with respect to the rotation axis so that the rack can operate the water gate with a small force to counteract the weight of the water gate It may further comprise a weight.

The buoy may be provided separately from the stormwater chamber and installed in the buoy chamber communicating with the sewer pipe.

The rainwater tosoil flow control device according to an embodiment of the present invention, the rainwater tosoil flow control device, the inner wall of the buoy chamber and the buoys to prevent the buoys from colliding with other objects while moving in the horizontal direction. It may further comprise a plurality of springs provided between the outer peripheral surface.

Rainwater tosoil flow regulating device according to an embodiment of the present invention, by connecting the buoy and the bottom may further comprise a wire to limit the maximum rise height of the buoy. In this case, the storm drain control apparatus according to an embodiment of the present invention may further comprise a winding device for controlling the maximum height of the buoy by adjusting the length of the wire by winding or unwinding the wire. .

Rainwater tosoil flow regulating device according to an embodiment of the present invention may extend further from the buoy further comprises a lower stopper for limiting the maximum height of the buoy.

DETAILED DESCRIPTION Hereinafter, embodiments of the present invention in which the above object can be specifically realized are described with reference to the accompanying drawings. In describing the embodiments, the same names and symbols are used for the same components, and additional description thereof will be omitted below.

Flow rate control apparatus according to the present invention is applied to the combined sewage system, rainwater to send a certain amount of sewage to the sewage treatment plant during rainy weather to control the flow rate of the rainwater tosoil so that more sewage properly discharged to the river Play a role. An excellent soil chamber flow control apparatus according to an embodiment of the present invention having such a role is well illustrated in FIGS. 1 to 6, which will be described below in more detail with reference to these drawings.

For reference, FIG. 1 is a plan view showing the rainwater tosoil flow control device installed in the combined sewage system according to an embodiment of the present invention, Figure 2 is a perspective view of the combined sewage system of FIG. 3 is a cross-sectional view taken along the line II ′ of FIG. 1, and FIG. 4 is a cross-sectional view taken along the line II-II ′ of FIG. 1. 5 is a cross-sectional view taken along the line II ′ of FIG. 1 during rainy weather or when there is little rainfall, FIG. 6 is a cross-sectional view taken along the line I-I ′ of FIG. 1 during rainy weather, and FIG. 7 is a rainy day. It is sectional drawing II-II 'of FIG.

1 and 2, the rainwater toil chamber 10 is installed to communicate with the sewer pipe 30 through the inlet pipe 15. Sewage and rainwater flowing in the sewer pipe 30 are guided toward the inlet pipe 15 by a weir 40 disposed in the sewer pipe 30 and disposed behind the inlet pipe 15.

The weir 40 has a predetermined height and is inclined along the width direction of the sewer pipe 30. When the amount of sewage and rainwater flowing in the sewage pipe 30 is small, the sewage and rainwater are guided to the inlet pipe 15 by the weir 40 and the sewage and rainwater entering the inlet pipe 15. Is an inlet of the stormwater chamber 10, that is, the end of the inlet pipe 15 communicating with the stormwater chamber 10 is introduced into the stormwater chamber 10. However, when there is a large flow rate of sewage and rainwater flowing in the sewage pipe 30 and when the inlet of the rainwater discharge chamber 10 is closed, the sewage and rainwater are discharged to the stream beyond the weir 40.

The sewage collection pipe 50 is connected to the rainwater chamber 10, and the sewage collection pipe 50 is connected to the sewage treatment plant 60. Therefore, the sewage introduced into the rainwater chamber 10 through the inflow pipe 15 is sent to the sewage treatment plant 60 through the sewage collection pipe 50. Then, the sewage sent to the sewage treatment plant 60 is purified in the sewage treatment plant 60 and then discharged to the stream.

The inlet of the rainwater chamber 10, ie, the end of the inlet pipe 15, is opened and closed by the water gate 200. The water gate 200 is installed to open and close the inlet pipe 15 while slidingly moving at the end of the inlet pipe 15 as shown in FIGS. 2, 4, and 7. The water gate 200 installed as described above opens and closes the inlet of the rainwater discharge chamber 10 while sliding by the buoy 100 that moves up and down according to the water level of the sewer pipe 30.

The buoy 100 may be installed in the stormwater chamber 10 or in the sewage pipe 30. However, in one embodiment of the present invention, the buoy 100 is provided in a structure provided in the buoy chamber 20 is provided separately. This will be described in more detail below.

As shown in FIG. 1 and FIG. 2, the buoy chamber 20 is provided as a space independent of the rainstorm chamber 10 next to the rainstorm chamber 10. The buoyant chamber 20 is in communication with the sewer pipe 30 by the introduction pipe (25). Here, the inlet pipe 25 of the buoy chamber 20 is disposed upstream of the inlet pipe 15 of the rainwater chamber 10. Sewage and rainwater flowing in the sewer pipe 30 are introduced into the buoy chamber 20 through the introduction pipe 25, whereby the water level in the buoy chamber 20 is equal to the water level of the sewer pipe 30. It changes in conjunction.

The buoy 100 is provided in the buoy chamber 20 as shown in FIGS. 1 and 2. The buoy 100 is lifted by buoyancy according to the water level in the buoy chamber 20, the water level in the buoy chamber 20 is interlocked with the water level of the sewer pipe 30, the buoy 100 is the sewer pipe Ascend and descend according to the water level of (30).

The lifting motion of the buoy 100 is transmitted to the sluice gate 200 by a rack that lifts in a direction opposite to the lifting direction of the buoy 100 in conjunction with the buoy 100. A plurality of gears, shafts and other racks may be provided to allow the rack to move up and down in the opposite direction to the buoy 100 in the buoy chamber 20. Hereinafter, this will be described in more detail with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2, the shaft 400 is disposed in the buoy chamber 20 and the stormwater chamber 10. The shaft 400 is rotatably mounted to the buoy chamber 20 and the rainwater chamber 10 by a bearing 401. The first gear 430 and the second gear 470 are fixed to the shaft 400, respectively. As shown in FIGS. 1 and 2, the first gear 430 is disposed in the buoy chamber 20, and the second gear 470 is disposed in the storm drain chamber 10.

The first rack 410 is engaged with the first gear 430, and the first rack 410 is disposed on the buoy 100 as shown in FIGS. 2 and 3, 5, and 6. It is arranged vertically. The first rack 410 moves up and down together when the buoy 100 is lifted, and the lifting motion of the first rack 410 is guided by a first track 420 disposed vertically in the buoy compartment 20. do.

The first rack 410 is connected to the buoy 100 by a bar 140 as shown in FIGS. 2 and 3 and 5 and 6. Therefore, when the buoy 100 is lifted, the first rack 410 connected to the buoy 100 by the bar 140 is lifted together with the buoy 100. When the first rack 410 is raised and lowered, the first gear 430 meshed with the first rack 410 rotates together with the shaft 400. Meanwhile, although not illustrated, the first rack 410 may be directly connected to the buoy 100 without the bar 140.

The second gear 470 mounted to the shaft 400 is disposed in the stormwater chamber 10 as shown in FIGS. 1 and 2. The second gear 470 may rotate together with the shaft 400, and the second rack 450 is engaged with the outer circumferential surface thereof as illustrated in FIGS. 2, 4, and 7. The second rack 450 is vertically disposed in the rainwater chamber 10 to be elevated when the second gear 470 rotates. The lifting and lowering of the second rack 450 is guided by a second track 460 disposed perpendicular to the rainwater chamber 10.

The direction in which the second rack 450 is engaged with the second gear 470 is opposite to the direction in which the first rack 410 is engaged with the first gear 430. For example, when the first rack 410 is engaged with the left side of the first gear 430 as shown in FIGS. 2 and 3, the second rack 450 is shown in FIGS. 2 and 4. As shown, the right side of the second gear 470 is engaged. This is for setting the lifting direction of the second rack 450 opposite to the lifting direction of the first rack 410.

Then, when the buoy 100 rises and the first rack 410 rises, the first gear 430 rotates in the clockwise direction of FIG. 3, and together with the shaft 400 and the first The two gears 470 also rotate in the clockwise direction of FIG. 4. When the second gear 470 rotates clockwise in FIG. 4, the second rack 450 engaged with the second gear 470 is lowered. On the contrary, when the first rack 410 is lowered by the lowering of the buoy 100, the second rack 450 is raised through the reverse process.

The second rack 450 is connected to the floodgate 200 by a link 210, as shown in FIGS. 2, 4 and 7. Here, the second rack 450 and the link 210 are connected by a pivot, and the link 210 and the sluice 200 are also connected by another pivot.

As such, the links 210 connected at both ends to the second rack 450 and the sluice 200 respectively push or pull the sluice 200 when the second rack 450 is elevated. As a result, the water gate 200 opens and closes the inlet of the rainwater discharge chamber 10, that is, the end of the inflow pipe 15 while sliding.

As described above, the structure in which the water gate 200 is opened and closed while sliding by the external force, that is, the force of the second rack 450, may operate well at a higher water pressure than the conventional flip-type water gate closed by its own weight.

On the other hand, although not shown, the second rack 450 may be configured to be directly connected to the water gate 200 without a separate link (210). In this case, the sluice gate 200 will be installed to slide along the vertical direction to the end of the inlet pipe 15.

The sluice gate 200 may be arranged to move in a vertical direction, but may also be disposed to move in an inclined direction as illustrated in FIGS. 2, 4, and 7. In the latter case, the water pressure per unit area applied to the water gate 200 becomes less than the former, so that the water gate 200 can be opened and closed well when the water pressure increases rapidly during flooding.

The sluice gate 200 is disposed to be inclined at the end of the inlet pipe 15, sliding about the inlet pipe 15 while rotating about the rotating shaft 220 as shown in Figures 2 and 4 and 7 It can be installed to exercise. In this case, the sluice gate 200 is formed in an arc-shaped cross section, and is connected to the rotation shaft 220 by the bar 230. Then, when the second rack 450 ascend, the water gate 200 opens and closes the end of the inlet pipe 15 while lifting the arc up and down about the rotation shaft 220.

A counter weight 220 may be further provided so that the second rack 450 may operate the water gate 200 even with a small force. The counter weight 220 is installed on the opposite side of the water gate 200 with respect to the rotating shaft 220 as shown in Figures 2, 4 and 7 to offset the weight of the water gate 200. By the counter weight 220 installed as described above, the second rack 450 is able to move the gate 200 with a small force without being affected by the weight of the gate 200.

On the other hand, when the buoy 100 is raised and lowered in the buoy chamber 20, the buoy 100 may move in the horizontal direction and hit the inner wall or other devices of the buoy chamber 20. In this case, the buoy 100 and other parts hitting the buoy 100 may be damaged and broken, the flow control device of the rainwater chamber 10 according to the present invention may be further provided with a structure for preventing this. .

In order to protect the buoy 100, as shown in FIGS. 1 and 2, a plurality of springs 120 are interposed between the inner wall of the buoy chamber 20 and the outer circumferential surface of the buoy 100. Since each spring 120 is arranged at equal intervals along the outer circumferential surface of the buoy 100, the buoy 100 can be raised and lowered by these springs 120 without severely flowing left and right. As a result, the buoy 100 may be effectively prevented from colliding with the inner wall of the buoy chamber 20 or other components.

The buoy 100 is raised and lowered according to the water level of the sewer pipe 30, and the water gate 200 moves with the elevation of the buoy 100. In addition, the momentum of the sluice gate 200 is substantially proportional to the lifting amount of the buoy 100. When the water level of the sewer pipe 30 is too high or too low, the lifting amount of the buoy 100 becomes too large, and thus, the moving amount of the water gate 200 also becomes large. Therefore, it is necessary to appropriately limit the amount of movement of the water gate 200.

To this end, the buoy 100 may be provided with means for limiting the rising and falling height of the buoy 100. Hereinafter, this will be described in more detail with reference to FIGS. 2 and 3 and 5 and 6.

In order to limit the maximum lift height of the buoy 100, a wire 110 may be installed between the buoy 100 and the bottom of the buoy chamber 20. As shown in FIG. 2 and FIG. 3, when the water level is low, such as when there is no rain, the wire 110 is stretched and does not limit the rise of the buoy 100. However, as shown in FIG. 5 and FIG. 6, when the rainfall is more than a predetermined rainfall, the wire 110 is tightened to limit the rise of the buoy 100. Therefore, as shown in FIG. 7, the sluice gate 200 is fixed without further sliding in the state where the end of the inlet pipe 15 is sufficiently closed.

The maximum rising height of the buoy 100 may be configured to be adjusted as necessary, in this case, the winding device 115 is further provided as shown in FIGS. 3, 5 and 6. The wire 110 is wound around the winding device 115, and the wire 110 is wound from the bottom of the buoy chamber 20 to the buoy 100 according to the length of the winding device 115 winding the wire 110. The length of the wire 110 is adjusted.

In order to increase the maximum rising height of the buoy 100, the wire 110 wound around the winding device 115 may be released by a predetermined length. On the contrary, to lower the maximum rising height of the buoy 100, the unwinding wire 110 may be wound around the winding device 115 by a predetermined length.

In this way, by adjusting the maximum rising height of the buoy 100, the maximum falling height of the water gate 200 is also adjusted. Therefore, if it is necessary to introduce a certain amount of rainwater into the rainstorm soil 10 even in rainy weather, setting the maximum ascent height of the buoy 100 to a low limit the maximum height of the water gate 200 do.

On the other hand, the buoy 100 may be provided with a lower stopper 130 as shown in Figure 2 and 3 and 5 and 6 to limit the maximum height of the buoy 100 falling. As shown in these figures, a plurality of lower stoppers 130 extend a predetermined length toward the bottom of the buoy chamber 20 at the bottom of the buoy 100. Therefore, when the water level is low, the lower stopper 130 is in contact with the bottom, so that the buoy 100 does not fall any more even if the water level is lowered.

When the lower stopper 130 is provided as described above, excessive falling of the buoy 100 is prevented, and thus the water gate 200 is prevented from rising more than necessary. In addition, the buoy 100 may be prevented from being damaged by touching the bottom of the buoy chamber 20.

Rainwater chamber control device according to an embodiment of the present invention having the structure as described above operates as follows.

First, when there is no rain, as shown in FIG. 3, the buoy 100 is lowered because not only the sewer pipe 30 but also the water level in the buoy chamber 20 is low. If the water level is too low, the buoy 100 is supported by the lower stopper 130.

If the buoy 100 is lowered, the first rack 410 is also lowered. However, as shown in FIG. 4, the second rack 450 is at its maximum. As a result, since the water gate 200 also rises, the inlet of the rainwater chamber 10, that is, the end of the inflow pipe 15 is opened to the maximum.

Therefore, the sewage flowing through the sewage pipe 30 is introduced into the rainwater toil chamber 10 through the inlet pipe 15, and the sewage introduced into the rainwater toil chamber 10 is discharged through the sewage collection pipe 50. It is sent to the sewage treatment plant (60). Then, the sewage sent to the sewage treatment plant 60 is purified in the sewage treatment plant 60 and then discharged to the stream.

When the water level of the sewer pipe 30 gradually increases due to rain, the buoy 100 gradually rises with the water level of the buoy chamber 20. In contrast, the sluice gate 200 descends gradually as described above. Therefore, as the rainfall increases and the water level in the sewage pipe 30 increases, the water gate 200 gradually narrows the inlet of the rainwater discharge chamber 10, and accordingly, the sewage treatment plant 60 via the rainwater discharge chamber 10. Will gradually reduce the amount of rainwater that enters

As shown in FIG. 5, when the water level in the buoy chamber 20 reaches the maximum rising height of the buoy 100 allowed by the wire 110 due to rain, the wire 110 becomes taut. . In this state, when a larger amount of rain comes, the water level of the buoy chamber 20 rises together with the water level of the sewer pipe 30. However, as shown in FIG. 6, the buoy 100 is no longer raised by the wire 110.

When the buoy 100 rises to the maximum, the first rack 410 also rises to the maximum but the second rack 450 descends to the maximum. Thus, the sluice gate 200 descends to the maximum as shown in FIG. 7 to close the inlet of the storm drain chamber 10, that is, the end of the inlet pipe 15.

Then, no further rainwater flows into the rainwater toil 10. In addition, rainwater flowing through the sewage pipe 30 does not flow into the sewage treatment plant 60. Therefore, the problem that the large amount of rainwater flows into the sewage treatment plant 60 and the treatment capacity of the sewage treatment plant 60 is insufficient is prevented. On the other hand, a large amount of rainwater flowing through the sewage pipe 30 is discharged into the river beyond the weir (40).

Although some embodiments have been described above by way of example, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof.

Accordingly, the above-described embodiments should be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are included within the scope of the present invention.

As described above, according to the present invention, when the buoy is raised and lowered according to the water level of the sewage pipe, the water gate slides to open and close the inlet of the storm drain. In addition, the lifting movement of the buoy is transmitted to the sluice by a rigid rack. Therefore, according to the present invention, even when the water gate receives the movement of the buoy well even at high water pressure, there is an effect of opening and closing the entrance of the rainwater well chamber well. That is, according to the present invention, the reliability of the hydrological operation is improved.

According to the invention, the two racks are arranged vertically, and the gears and shafts are arranged above the stormwater and buoyant chambers, minimizing contact with the sewage of all parts for opening and closing the floodgate. And, as mentioned above, the lift movement of the buoy is transmitted to the gate by a hard rack. Therefore, according to the present invention, the lifting movement of the buoy and the opening / closing movement of the water gate are not disturbed by the sewage and the dirt contained in the rainwater, so that the reliability of the hydrological operation is further improved. In addition, the effect is easy to maintain.

On the other hand, according to the invention, as described above, the water gate can operate properly under any conditions. Therefore, in case of excessive rain, the floodgate can effectively prevent rainwater from entering the sewage treatment plant. As a result, the present invention can effectively prevent the shortage of the sewage treatment plant in rainy weather, and can reduce the cost by preventing excessive calculation of the capacity of the sewage treatment plant.

Claims

Buoys that rise and fall according to the level of sewer pipes;

A rack for elevating in a direction opposite to that of the buoy in conjunction with the buoy; And

Rainwater discharge control device of the combined sewage system of the combined sewage system is installed to be slidably connected to the inlet of the rainwater discharge chamber connected to the sewage pipe, and connected to the rack and sliding the opening of the rainwater discharge chamber while sliding when the rack is elevated. .

The method of claim 1,

The sluice gate is installed to rotate about the axis of rotation when the rack is elevated,

Opposite soil flow control device of the combined sewage system, characterized in that the counter weight to counteract the weight of the water gate is installed on the opposite side of the water gate around the rotation axis, so that the rack can operate the water gate with a small force. .

The method of claim 1,

The buoy is provided separately from the stormwater chamber, and storm drain control system of the combined sewage system, characterized in that installed in the buoy chamber communicating with the sewer pipe.

The method of claim 3, wherein

In order to prevent the buoys from colliding with other objects while moving in the horizontal direction, rainwater discharge control device of the combined sewage system further comprises a plurality of springs installed between the inner wall of the buoy chamber and the outer peripheral surface of the buoy. .

The method of claim 1,

Rainwater tosoil flow regulating device of the combined sewage system further comprises a wire connecting the buoy and the bottom to limit the maximum rise height of the buoy.

The method of claim 5, wherein

Rainwater tosoil flow regulating device of the combined sewage system further comprises a winding device for controlling the maximum height of the buoy by adjusting the length of the wire by winding or unwinding the wire.

The method according to claim 1 or 5,

And a bottom stopper extending downwardly from the buoy to limit the maximum descending height of the buoy.