CN212835779U

CN212835779U - Cut-off system applied to drainage pipeline

Info

Publication number: CN212835779U
Application number: CN202020578169.6U
Authority: CN
Inventors: 刘福生; 王伟; 赵若奇
Original assignee: Wuhan Shengyu Drainage Systems Co Ltd
Current assignee: Wuhan Shengyu Drainage Systems Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-03-30
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a be applied to drainage tube's system of damming, include: the device comprises a cut-off device, a water inlet is arranged at one end of the cut-off device, a water outlet is arranged at the other end of the cut-off device, and a sewage intercepting port is arranged at the bottom surface of the cut-off device; and the municipal sewage pipe is positioned below the intercepting device and communicated with the sewage intercepting port. Through cut-off equipment's bottom surface has set up cut-off mouth makes sewage follow the water inlet gets into behind the cut-off equipment, directly follow cut-off mouth flows down and is located the cut-off equipment below the municipal sewage pipe, consequently, need not build vatch basin and regulation pond at the end of confluence pipe, and rethread water pump promotes sewage to municipal sewage pipe, has saved space around the cut-off equipment reduces the construction and takes up an area of to very big reduction the scale, reduce the investment.

Description

Cut-off system applied to drainage pipeline

Technical Field

The utility model relates to a drainage technical field, in particular to be applied to drainage tube's system of damming.

Background

With the continuous development of society, the water environment treatment problem becomes the current main contradiction, wherein the water outlet treatment is an important measure for perfecting a drainage system and treating the water environment. The applicant finds that main drainage pipe networks in old urban areas of various cities in China are combined pipelines, and a plurality of sewage are directly discharged or overflow occurs in clear days in the combined pipelines. For the combined drainage port, in order to prevent the dry-run sewage from being directly drained into the natural water body, a catch basin is usually built at the tail end of the pipeline, so that the sewage is intercepted to a sewage pipe in sunny days and drained into the natural water body in rainy days.

In the related technology, the urban sewage intercepting well is built before the confluence pipeline enters the outer river mouth, a regulation and storage tank is arranged at the tail end of a sewage drainage pipe and channel system, and the sewage and initial rainwater in fine days are collected in the regulation and storage tank and then lifted to a sewage pipe through a water pump to be sent to a sewage treatment plant.

However, such a cut-off system causes a large scale, high investment, low efficiency of intercepting sewage and initial rainwater, an increase in flow load of a sewage plant in a short time, and a large occupied space of a storage tank.

Therefore, there is a need for a new shut-off system for use in a drain line.

Disclosure of Invention

An object of the embodiment of the utility model is to provide a system of damming for drainage pipe to the large-scale investment height of system of damming among the solution correlation technique, the big problem in occupation of land space.

In order to achieve the above object, the embodiment of the utility model provides a be applied to drainage pipe's system of damming, it includes: the device comprises a cut-off device, a water inlet is arranged at one end of the cut-off device, a water outlet is arranged at the other end of the cut-off device, and a sewage intercepting port is arranged at the bottom surface of the cut-off device; and the municipal sewage pipe is positioned below the intercepting device and communicated with the sewage intercepting port.

In some embodiments, the sewage intercepting port and the municipal sewage pipe are connected by a sewage intercepting pipe, and the sewage intercepting pipe is located between the sewage intercepting port and the municipal sewage pipe in a height direction of the sewage intercepting device.

In some embodiments, the municipal sewage pipe is located on a bottom surface of the cut-off device, and the sewage cut-off is connected to the municipal sewage pipe.

In some embodiments, the sewage interception port is provided with a first water switch, and the first water switch is used for controlling the overflow of the sewage interception port.

In some embodiments, the first hydraulic switch comprises a shutter for blocking the sewage interception opening, a connecting rod and a driving mechanism, and the driving mechanism is connected with the shutter through the connecting rod and is used for driving the shutter to open or close.

In some embodiments, a second water switch is arranged near the water outlet and used for controlling the overflow of the water outlet.

In some embodiments, the shut-off device is a catch basin, and the sewage interception port is arranged on the bottom surface of the catch basin.

In some embodiments, the sewage intercepting port is provided with a first water switch; the intercepting system also comprises a control cabinet and a first liquid level monitoring device arranged in the intercepting device, wherein the control cabinet is respectively connected with the first liquid level monitoring device and the first water conservancy switch, and the first liquid level monitoring device is used for monitoring the water level in the intercepting device; the control cabinet is used for controlling the opening degree of the first water conservancy switch according to the water level in the cut-off device.

In some embodiments, the sewage intercepting port is provided with a first water switch; the intercepting system also comprises a control cabinet and a rainfall sensing device arranged outside the intercepting device and used for monitoring rainfall, and the control cabinet is respectively connected with the rainfall sensing device and the first water conservancy switch; the control cabinet is used for closing the first water conservancy switch when the rainfall monitored by the rainfall sensing device reaches a set value.

In some embodiments, the sewage intercepting port is provided with a first water switch; the intercepting system also comprises a control cabinet and a second liquid level monitoring device arranged at the downstream of the water outlet, and the control cabinet is used for monitoring the water level at the downstream of the water outlet and is respectively connected with the second liquid level monitoring device and the first water conservancy switch; and the control cabinet is used for controlling the first water conservancy switch to be closed when the second liquid level monitoring device monitors that the water level at the downstream of the water outlet reaches an alarm value.

The utility model provides a beneficial effect that technical scheme brought includes:

the embodiment of the utility model provides a be applied to drainage tube's intercepting system, because intercepting device's bottom surface has set up intercept dirty mouthful, make sewage follow the water inlet gets into behind the intercepting device, directly follow intercept dirty mouthful downward flow in be located the intercepting device below municipal sewage pipe, consequently, need not promote sewage to municipal sewage pipe at the terminal construction vatch basin and the regulation pond of confluence pipe, rethread water pump, saved space around the intercepting device reduces the construction and takes up an area to very big reduction the scale, reduce the investment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic plan view of a closure system applied to a drainage pipeline according to a first embodiment of the present invention;

fig. 2 is a schematic top view of a shutoff system applied to a drainage pipeline according to a first embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a shutoff system applied to a drainage pipeline according to a first embodiment of the present invention;

fig. 4 is a schematic front view of a shutoff system applied to a drainage pipeline according to a second embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of A-A in FIG. 4;

fig. 6 is a schematic top view of a closure system applied to a drainage pipeline according to a second embodiment of the present invention.

In the figure: 1-intercepting device, 11-water inlet, 12-water outlet, 13-sewage intercepting port, 2-municipal sewer pipe, 31-first water conservancy switch, 311-flashboard, 312-connecting rod, 313-steering mechanism, 32-second water conservancy switch, 4-intercepting well, 41-sewage intercepting pipe, 51-second liquid level monitoring device, 52-third liquid level monitoring device, 6-control cabinet, 7-rainfall sensing device, 8-natural water body, and 9-slag intercepting device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a be applied to drainage pipeline's system of damming, it can solve the big investment of scale of the system of damming in the correlation technique height, takes up an area of the big problem in space.

The first embodiment:

referring to fig. 1, a first embodiment of the present invention provides a closure system for a drainage pipeline, which includes: the cut-off device 1 is used for passing sewage and rainwater and shunting the sewage and the rainwater; and the municipal sewage pipe 2 is positioned below the intercepting device 1 and used for intercepting the sewage in the intercepting device 1 and conveying the sewage to a sewage treatment plant.

Referring to fig. 1 and 3, in some embodiments, the cut-off device 1 may be made of plastic, or made of reinforced concrete, or cast iron, steel, or the like, one end of the cut-off device 1 may have a water inlet 11, and the other end thereof has a water outlet 12, and the water outlets 12 may also be disposed on other side walls as needed, the number of the water outlets 12 in this embodiment may be one or more, and this embodiment is not particularly limited; the water inlet 11 is connected with a pipeline, such as a confluence pipe, at the upstream of the cut-off device 1, sewage in the confluence pipe enters the cut-off device 1 from the water inlet 11, a sewage interception port 13 can be arranged on the bottom surface of the cut-off device 1, the sewage interception port 13 is used for the sewage to pass through, in some embodiments, the cross section of the cut-off device 1 can be the same as the cross section of the confluence pipe, in this embodiment, the cut-off device 1 can be a cut-off well 4, the sewage interception port 13 is positioned on the bottom surface of the cut-off well 4, and the sewage interception port 13 can be positioned at the side close to the water inlet 11; in other embodiments, the cut-off device 1 may also be a abandon well, a diversion well or an installation well.

Referring to fig. 3, the municipal sewage pipe 2 may be located right below the intercepting device 1 and may be located below the side close to the water inlet 11, and in some alternative embodiments, the municipal sewage pipe 2 may be located on the bottom surface of the intercepting device 1, that is, the municipal sewage pipe 2 is located next to the bottom surface of the intercepting device 1, so that the municipal sewage pipe 2 may be directly connected with the sewage intercepting port 13, and a sewage intercepting pipe 41 is not required to be added to connect the sewage intercepting port 13 with the municipal sewage pipe 2, thereby saving space, reducing the construction workload and saving raw materials; in some embodiments, the municipal sewage pipe 2 may be spaced apart from the intercepting device 1, the sewage intercepting port 13 may be connected to the municipal sewage pipe 2 by a sewage intercepting pipe 41, and the sewage intercepting pipe 41 may be located between the sewage intercepting port 13 and the municipal sewage pipe 2 in a height direction of the intercepting device 1, so that sewage may flow from the sewage intercepting port 13 into the sewage intercepting pipe 41 and then into the municipal sewage pipe 2 by gravity flow; since the intercepting device 1 and the intercepting port 13 are positioned above the intercepting pipe 41, the occupied area of the whole intercepting system is small, and in the embodiment, the municipal sewage pipe 2 is preferably positioned right below the intercepting port 13.

Referring to fig. 2 and 3, in some embodiments, the sewage intercepting port 13 may be provided with a first water switch 31, the intercepting device 1 may be in communication with the municipal sewage pipe 2 through the first water switch 31, the first water switch 31 may be located above the municipal sewage pipe 2, and is configured to control water in the intercepting device 1 to enter the municipal sewage pipe 2, open the first water switch 31, so that the water may flow into the municipal sewage pipe 2 in a gravity flow manner, and the first water switch 31 may be implemented by a device with controllable on/off function, such as a double-flap gate, an electric gate, or a flexible intercepting device.

Referring to fig. 2 and 3, in some alternative embodiments, a second water switch 32 may be disposed near the water outlet 12, and when the second water switch 32 is opened, water may flow to the pipeline or natural water body 8 downstream of the cut-off device 1 through the second water switch 32, the second water switch 32 may be located near the water outlet 12, and the second water switch 32 may be selected from equipment with controllable on-off function, such as a weir gate or a flexible cut-off device, in this embodiment, a downward opening weir gate is preferably selected; in some embodiments, a slag blocking device 9 may be disposed between the first water conservancy switch 31 and the second water conservancy switch 32, and the slag blocking device 9 may be a floating baffle, a slag blocking net bag, or the like.

Referring to fig. 2 and 3, in some embodiments, the intercepting system may further include a first liquid level monitoring device (not shown) located inside the intercepting apparatus 1, in this embodiment, the first liquid level monitoring device is preferably located inside the intercepting well 4 for monitoring the water level inside the intercepting well 4, and a control cabinet 6 is located outside the intercepting apparatus 1, preferably on the ground, for facilitating maintenance; first liquid level monitoring devices with switch board 6 can be connected through the signal, just switch board 6 can with first water conservancy switch 31 with second water conservancy switch 32 signal connection, first liquid level monitoring devices monitoring the water level condition in the cut-off equipment 1 generates first monitoring signal, and will generate first monitoring signal carries switch board 6, switch board 6 receives first monitoring signal and control first water conservancy switch 31 reaches opening and the aperture of second water conservancy switch 32. The specific control logic is as follows: control cabinet 6 corresponds first liquid level monitoring device is equipped with the liquid level threshold value, works as first liquid level monitoring device monitors when the liquid level value in the vatch basin 4 is less than the liquid level threshold value, control cabinet 6 control first water conservancy switch 31 is opened, second water conservancy switch 32 is closed, and is through sewage and/or initial stage rainwater the sewage interception mouth 13 flows in municipal administration sewage pipe 2, otherwise, then control first water conservancy switch 31 closes, second water conservancy switch 32 is opened, shunts middle and later stage rainwater to low reaches drain pipe or natural water 8 through the delivery port, realizes accurate interception.

Second embodiment:

referring to fig. 4 to 6, in order to provide a cut-off system applied to a drainage pipeline according to a second embodiment of the present invention, a difference between the cut-off system and the first embodiment is that a rainfall sensing device 7 may be disposed outside the cut-off device 1 and connected to the control cabinet 6, the rainfall sensing device 7 may monitor the rainfall on the ground, when raining, the rainwater falls on the rainfall sensing device 7, the rainfall sensing device 7 may monitor the size of the rainfall, and record the rainfall and transmit a signal to the control cabinet 6, and the control cabinet 6 is provided with a rainfall threshold corresponding to the rainfall sensing device 7; the control cabinet 6 also receives a rainfall time signal and is provided with a rainfall time threshold, and when the rainfall monitored by the rainfall sensing device 7 is smaller than the rainfall threshold and the rainfall time is greater than the time threshold, the control cabinet 6 controls the first water conservancy switch 31 to be closed to flood.

Referring to fig. 4, in some alternative embodiments, a second liquid level monitoring device 51 connected to the control cabinet 6 may be disposed downstream of the water outlet 12 and located outside the cut-off device 1, the second liquid level monitoring device 51 may detect the water level of the natural water body 8 downstream of the water outlet 12 and transmit a signal to the control cabinet 6, and preferably, an ultrasonic level meter, when the second liquid level monitoring device 51 detects that the water level of the natural water body 8 reaches a preset alarm value, the control cabinet 6 controls the first water switch 31 to be turned off, so as to prevent a large amount of water in the natural water body 8 from flowing back into the municipal sewage pipe 2, and further dilute the sewage in the municipal sewage pipe 2; in some embodiments, the second water switch 32 may also be disposed between the first water switch 31 and the water outlet 12, and when the second liquid level monitoring device 51 detects that the water level of the natural water body 8 reaches a preset alarm value, the control cabinet 6 controls the second water switch 32 to close, so as to prevent a large amount of water in the natural water body 8 from flowing back into the confluence pipe and the municipal sewage pipe 2.

Referring to fig. 6, in some embodiments, the municipal sewage pipe 2 may be provided with a sewage manhole, and the sewage manhole may be provided with a third liquid level monitoring device 52 connected to the control cabinet 6, wherein the third liquid level monitoring device 52 is used for detecting the water level in the municipal sewage pipe 2 and sending a signal to the control cabinet 6, and preferably an ultrasonic level meter, and when the third liquid level monitoring device 52 detects that the liquid level is higher than the liquid level detected by the first liquid level monitoring device, the control cabinet 6 controls the first water conservancy switch 31 to be turned off, so as to prevent the sewage in the municipal sewage pipe 2 from flowing back into the intercepting device 1 and discharging into the natural water body 8.

Referring to fig. 5, preferably, the first water conservancy switch 31 may include a gate plate 311 for blocking the sewage trap (13), a connecting rod 312 and a driving mechanism, the driving mechanism is connected to the gate plate 311 through the connecting rod 312, the driving mechanism includes a hydraulic station, a hydraulic oil cylinder, a hydraulic oil pipe and a steering mechanism 313, the steering mechanism 313 is of a rack and pinion structure, an output end of the hydraulic oil cylinder is connected to the connecting rod 312 through the steering mechanism 313 to drive the connecting rod 312 to rotate, the connecting rod 312 drives the gate plate 311 to rotate to open or close, and the steering mechanism 313 may convert a hydraulic force generated by the hydraulic oil cylinder moving up and down into a rotational force to be transmitted to the connecting rod 312, so that the connecting rod 312 drives the gate plate 311 to open or close.

In some embodiments, when the intercepting system has a power failure, a UPS (uninterruptible power supply) may be used to supply power to the rainfall sensing device 7 and the control cabinet 6, and if the rainfall sensing device 7 monitors that the current day is sunny, the control cabinet 6 controls the first water conservancy switch 31 to be turned on, so as to keep the intercepting state; if the rainfall sensing device 7 monitors that the rainfall is rainy day, the control cabinet 6 controls the first water conservancy switch 31 to be closed, so that a large amount of rainwater is prevented from entering the municipal sewage pipe 2; and the control cabinet 6 starts an alarm program to prompt maintenance.

Referring to fig. 4, a second embodiment of the present invention provides a closure system for a drainage pipeline, which has the following working principle:

in sunny days: the rainfall sensing device 7 monitors that the rainfall is 0, the control cabinet 6 drives the flashboard 311 to open, sewage enters the municipal sewage pipe 2 through the sewage interception port 13 in sunny days, and the system is in an interception state;

in the early stage of rainfall: the rainfall sensing device 7 monitors rainfall, the first liquid level monitoring device senses the change of the liquid level in the cut-off device 1, the control cabinet 6 drives the flashboard 311 to be opened, and the system is in a cut-off state;

in the middle and later periods of rainfall: when the rainfall sensing device 7 monitors that the rainfall reaches a set value or the first liquid level monitoring device senses that the liquid level in the cut-off equipment 1 reaches a set value, the control cabinet 6 drives to close the flashboard, and at the moment, the cut-off equipment 1 is in a flood running state.

The embodiment of the utility model provides a be applied to drainage line's the principle of system of damming does:

because the sewage interception opening 13 is arranged on the bottom surface of the intercepting device 1, sewage directly flows downwards from the sewage interception opening 13 to the municipal sewage pipe 2 positioned below the intercepting device 1 in a gravity flow mode after entering the intercepting device 1 from the water inlet 11, so that the space around the intercepting device 1 is saved, the occupied area for construction is reduced, the scale of the intercepting system is greatly reduced, and the investment is reduced.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a system of damming for drainage line which characterized in that, it includes:

the device comprises a cut-off device (1), wherein one end of the cut-off device (1) is provided with a water inlet (11), the other end of the cut-off device opposite to the water inlet is provided with a water outlet (12), and the bottom surface of the cut-off device (1) is provided with a sewage interception opening (13);

and the municipal sewage pipe (2) is positioned below the intercepting device (1), and the municipal sewage pipe (2) is communicated with the sewage intercepting port (13).

2. The shut-off system for a drain line according to claim 1, wherein:

the sewage intercepting port (13) is connected with the municipal sewage pipe (2) through a sewage intercepting pipe (41), and the sewage intercepting pipe (41) is located between the sewage intercepting port (13) and the municipal sewage pipe (2) in the height direction of the intercepting device (1).

3. The shut-off system for a drain line according to claim 1, wherein:

the municipal sewage pipe (2) is located on the bottom surface of the intercepting device (1), and the sewage intercepting port (13) is connected with the municipal sewage pipe (2).

4. The shut-off system for a drain line according to claim 1, wherein:

the sewage intercepting port (13) is provided with a first water conservancy switch (31), and the first water conservancy switch (31) is used for controlling the overflowing amount of the sewage intercepting port (13).

5. The shut-off system for a drain line according to claim 4, wherein:

the first water conservancy switch (31) comprises a flashboard, a connecting rod and a driving mechanism, wherein the flashboard is used for blocking the sewage intercepting port (13), and the driving mechanism is connected with the flashboard through the connecting rod and is used for driving the flashboard to be opened or closed.

6. The shut-off system for a drain line according to claim 1, wherein:

and a second water conservancy switch (32) is arranged at a position close to the water outlet (12), and the second water conservancy switch (32) is used for controlling the overflowing quantity of the water outlet (12).

7. The shut-off system for a drain line according to claim 1, wherein:

the intercepting device (1) is an intercepting well (4), and the intercepting port (13) is arranged on the bottom surface of the intercepting well (4).

8. The shut-off system for a drain line according to claim 1, wherein:

the sewage intercepting port (13) is provided with a first water conservancy switch (31);

the intercepting system further comprises a control cabinet (6) and a first liquid level monitoring device arranged inside the intercepting device (1), wherein the control cabinet (6) is respectively connected with the first liquid level monitoring device and the first water conservancy switch (31), and the first liquid level monitoring device is used for monitoring the water level in the intercepting device (1);

the control cabinet (6) is used for controlling the opening degree of the first water switch (31) according to the water level in the cut-off device (1).

9. The shut-off system for a drain line according to claim 1, wherein:

the intercepting system further comprises a control cabinet (6) and a rainfall sensing device (7) arranged outside the intercepting device (1) and used for monitoring rainfall, wherein the control cabinet (6) is respectively connected with the rainfall sensing device (7) and the first water switch (31);

and the control cabinet (6) is used for closing the first water switch (31) when the rainfall monitored by the rainfall sensing device (7) reaches a set value.

10. The shut-off system for a drain line according to claim 1, wherein:

the intercepting system further comprises a control cabinet (6) and a second liquid level monitoring device (51) arranged on the downstream of the water outlet (12) and used for monitoring the water level on the downstream of the water outlet (12), and the control cabinet (6) is respectively connected with the second liquid level monitoring device (51) and the first water switch (31);

the control cabinet (6) is used for controlling the first water switch (31) to be closed when the second liquid level monitoring device (51) monitors that the downstream water level of the water outlet (12) reaches a warning value.