A self-flowing box culvert water diversion control device

Abstract

The application discloses a self-flowing box culvert water diversion control device, which comprises an old box culvert and a newly-built box culvert, the newly-built box culvert is connected with the old box culvert and an adjusting pool respectively, further comprises a water baffle arranged at the connecting position of the newly-built box culvert and the old box culvert, the water baffle is movably arranged in a fixed frame and is controlled to move through an extension unit, the water inflow into the newly-built box culvert is changed by controlling the water baffle to enter or exit the old box culvert through the liquid level information fed back in the adjusting pool; in the application, the water inflow can be dynamically adjusted through the liquid level information and the convenient adjusting system without reconstructing the old box culvert structure, so that the water inflow can be kept stable.

Description

Technical Field

[0001] This invention relates to the field of water flow control technology, and in particular to a control device for gravity-flow box culvert water diversion. Background Technology

[0002] Currently, the drainage systems of many large cities in China were established in different periods of the last century. With urban development and progress, the population has increased dramatically, and the water supply and drainage volume has increased accordingly. The existing water supply plants and sewage treatment plants have become insufficient in terms of treatment capacity, requiring expansion or new construction. The construction and renovation of plants require the introduction of water from the city's existing pipe network system. Currently, the main methods of water introduction are booster pumping and gravity flow.

[0003] Adding booster pumps can guarantee a consistent water supply, but the project cost is high, and it requires regular operation and maintenance, making operation more complex. Gravity-flow water diversion requires less investment and is easier to operate and manage, but it requires a certain level difference between the old and new culverts to ensure sufficient water flow. A larger level difference can guarantee sufficient water supply, but there is a risk of plant flooding in abnormal situations. Due to limitations such as terrain and structure, gravity-flow water diversion may have a smaller level difference, which can meet the basic operational needs of the plant during the high-water season, but may lead to insufficient water supply during the low-water season. Summary of the Invention

[0004] The main objective of this invention is to provide a control device for gravity-flow box culvert water diversion, which aims to solve existing technical problems.

[0005] To achieve the above objectives, the present invention provides a control device for gravity-flow box culvert water diversion, including an old box culvert and a newly built box culvert. The newly built box culvert is connected to the old box culvert and a regulating water tank respectively. The device also includes a water baffle plate disposed at the connection between the new box culvert and the old box culvert. The water baffle plate is movably installed in a fixed frame and its movement is controlled by a telescopic unit. By adjusting the liquid level information fed back from the water tank, the water baffle plate is controlled to move in and out of the old box culvert to change the amount of water entering the new box culvert.

[0006] Furthermore, the newly built box culvert is equipped with a sludge triggering device to detect whether there is sludge blockage in the newly built box culvert. The sludge triggering device is equipped with flushing devices on both sides to flush the blocked pipes.

[0007] Furthermore, the sludge triggering device includes an impeller arranged along the water flow direction, the impeller is mounted on a bracket, and a speed sensor is installed on the impeller to issue an alarm signal when the impeller speed decreases to a set value.

[0008] Furthermore, the flushing device includes a flushing nozzle installed inside the newly built box culvert. The flushing nozzle is arranged in a ring at equal intervals along the inner wall of the newly built box culvert, and the flushing nozzle is mounted on an angle adjustment mechanism to send flushing water flow to different locations of silt blockage inside the newly built box culvert.

[0009] Furthermore, the water-blocking plate is provided with a diagonal brace. One end of the diagonal brace is rotatably connected to the water-blocking plate, and the other end is connected to the water-blocking plate through a folding structure. The diagonal brace moves in and out of the old box culvert with adaptive contraction and extension, following the water-blocking plate. The inner wall of the old box culvert is provided with a limiting groove that abuts against the end of the diagonal brace. The connection between the new box culvert and the old box culvert is provided with a roller that abuts against the diagonal brace.

[0010] Furthermore, the old box culvert is equipped with a throttling valve. When the liquid level in the regulating pool is lower than the set value, the throttling valve is closed before the baffle plate is extended into the old box culvert to reduce the flow rate in the old box culvert. After the baffle plate is extended into the old box culvert, the throttling valve is opened.

[0011] Furthermore, the newly built box culvert is equipped with a branch culvert, one end of which is connected to the inlet of the regulating water tank and the other end is connected to the old box culvert. The inlet of the regulating water tank is equipped with a control valve, which is used to close the regulating water tank and guide the water containing silt back into the old box culvert for discharge when the newly built box culvert is being dredged.

[0012] Furthermore, the newly built box culvert is equipped with a filter screen, which is located at the opening of the branch culvert. A rotatable mounting shaft is inserted into the filter screen. The newly built box culvert is equipped with a cleaning port located at the filter screen. The filter screen can be moved between the newly built box culvert and the branch culvert.

[0013] Furthermore, the fixed frame is reinforced and supported by diagonal braces, and the bottom of the diagonal braces is provided with anti-slip blocks.

[0014] The beneficial effects of this invention are reflected in:

[0015] In this invention, without modifying the old box culvert structure, the water intake of the box culvert can be dynamically adjusted by regulating the water quality level information and a convenient adjustment system, so as to ensure that the water intake remains stable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the water baffle connection structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the diagonal brace structure of the present invention;

[0019] Figure 4This is a schematic diagram of the sludge triggering device of the present invention.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Old box culvert; 2. New box culvert; 3. Regulating pool; 4. Water baffle; 41. Diagonal bracing; 42. Folding structure; 5. Fixed frame; 6. Telescopic unit; 7. Silt triggering device; 71. Impeller; 72. Support; 73. Speed ​​sensor; 8. Flushing device; 9. Throttling valve; 10. Branch culvert; 11. Control valve; 12. Filter screen; 13. Mounting shaft; 14. Diagonal bracing rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1-3 This invention provides a control device for gravity-flow box culvert water diversion, including an old box culvert 1 and a newly built box culvert 2. The newly built box culvert 2 is connected to the old box culvert 1 and a regulating water tank 3 respectively. It also includes a water baffle 4 located at the connection between the newly built box culvert 2 and the old box culvert 1. The water baffle 4 is movably installed in a fixed frame 5 and its movement is controlled by a telescopic unit 6. By adjusting the liquid level information fed back from the regulating water tank 3, the water baffle 4 is controlled to move in and out of the old box culvert 1 to change the amount of water entering the newly built box culvert 2.

[0024] This embodiment ensures a stable water inflow by dynamically adjusting the water level and a convenient adjustment system without modifying the old culvert structure. The invention provides a fully intelligent dynamic adjustment system that can set the water inflow according to its own needs. Under dynamic adjustment, the water inflow is guaranteed, while the water inflow is reduced when no water is needed, preventing the station from being flooded due to abnormal accidents.

[0025] Specifically, the telescopic unit 6 can adopt a structure such as a cylinder or an electric telescopic rod.

[0026] In one embodiment, please refer to Figure 1 The newly built box culvert 2 is equipped with a silt triggering device 7, which is used to detect whether there is silt blockage in the newly built box culvert 2. The silt triggering device 7 is equipped with flushing devices 8 on both sides, which are used to flush the blocked pipes.

[0027] This embodiment is designed to automatically flush the culvert based on the thickness of the silt deposits, which helps to reduce water flow obstruction and increase water throughput. It also facilitates water diversion operations in the culvert and provides an automatic cleaning device for silt removal, reducing the frequency of manual silt removal and mitigating the risks associated with working in confined spaces.

[0028] In one embodiment, please refer to Figure 1 and Figure 4 The silt triggering device 7 includes an impeller 71 arranged along the water flow direction. The impeller 71 is mounted on a bracket 72, and a speed sensor 73 is installed on the impeller 71 to issue an alarm signal when the speed of the impeller 71 decreases to a set value.

[0029] In this embodiment, when the silt in the newly built box culvert 2 accumulates to a certain extent, causing the impeller 71 to be unable to rotate, a feedback signal is sent to drive the flushing device 8 to flush the impeller 71, remove the accumulated silt, and keep the pipeline unobstructed.

[0030] In one embodiment, the flushing device 8 includes a flushing nozzle disposed inside the newly built box culvert 2. The flushing nozzle is arranged in a ring at equal intervals along the inner wall of the newly built box culvert 2, and the flushing nozzle is mounted on an angle adjustment mechanism to send flushing water flow to different silt blockage locations inside the newly built box culvert 2.

[0031] In this embodiment, the flushing nozzles located on both sides of the sludge triggering device 7 can flush the blocked areas, clear the blockages caused by sludge, and ensure the smooth flow of the pipes. Furthermore, the angle adjustment mechanism allows for adjustment of the angle of the flushing nozzles, improving the flushing range and accuracy.

[0032] Specifically, the angle adjustment mechanism includes an adjustment block connected to the rinsing gun head, which is rotated by a motor.

[0033] In one embodiment, please refer to Figure 1 The baffle plate 4 is provided with a diagonal brace 41. One end of the diagonal brace 41 is rotatably connected to the baffle plate 4, and the other end is connected to the baffle plate 4 through a folding structure 42. The diagonal brace 41 moves in and out of the old box culvert 1 with adaptive contraction and extension, following the baffle plate 4. The inner wall of the old box culvert 1 is provided with a limiting groove that abuts against the end of the diagonal brace 41. The connection between the new box culvert 2 and the old box culvert 1 is provided with a roller 43 that abuts against the diagonal brace 41.

[0034] In this embodiment, when the baffle plate 4 extends into the old box culvert 1, the folding structure 42 unfolds outward as the baffle plate 4 extends, pushing the diagonal support frame 41 outward. When the end of the baffle plate 4 abuts against the inner wall of the old box culvert 1, the end of the diagonal support frame 41 abuts against the limiting groove, providing stable support for the baffle plate 4. This avoids the problem of the baffle plate 4 being damaged due to the large impact force generated when the water flow in the old box culvert 1 is changed by the baffle plate 4, thus ensuring the stability of the baffle plate 4.

[0035] Specifically, the folding structure 42 is a folding bracket with a return spring on it.

[0036] In one embodiment, please refer to Figure 1 The old box culvert 1 is equipped with a throttle valve 9. When the liquid level in the regulating pool 3 is lower than the set value, the throttle valve 9 is closed before the baffle plate 4 is extended into the old box culvert 1 to reduce the flow rate in the old box culvert 1. After the baffle plate 4 is extended into the old box culvert 1, the throttle valve 9 is opened.

[0037] In this embodiment, when the water flow in the old box culvert 1 is large and the water flow direction needs to be adjusted by the baffle plate 4, the flow velocity in the old box culvert 1 can be reduced by adjusting the opening of the throttle valve 9, thereby reducing the impact on the baffle plate 4 and ensuring the stability of the baffle plate 4.

[0038] In one embodiment, please refer to Figure 1 The newly built box culvert 2 is equipped with a branch culvert 10. One end of the branch culvert 10 is connected to the inlet of the regulating pool 3, and the other end is connected to the old box culvert 1. The inlet of the regulating pool 3 is equipped with a control valve 11, which is used to close the regulating pool 3 when the newly built box culvert 2 is being dredged, so that the water containing silt is diverted back to the old box culvert 1 for discharge.

[0039] In this embodiment, when the flushing device 8 is used to flush the silt blockage, the control valve 11 is closed, so that the flushing water containing silt is introduced into the old box culvert 1 through the branch culvert 10 and discharged, thus avoiding the flushing water containing silt from entering the regulating water tank 3, which would lead to subsequent sedimentation and require frequent cleaning.

[0040] In one embodiment, please refer to Figure 1 The newly built box culvert 2 is equipped with a filter screen 12, which is located at the opening of the branch culvert 10. A rotatable mounting shaft 13 is inserted into the filter screen 12. The newly built box culvert 2 is equipped with a cleaning port located at the filter screen 12. The filter screen 12 can be moved between the newly built box culvert 2 and the branch culvert 10.

[0041] In this embodiment, the filter screen 12 is placed in the newly built box culvert 2 during normal water flow regulation. When sludge flushing is carried out, the filter screen 12 is moved to the branch culvert 10 to facilitate simultaneous filtration of the water flow introduced into the branch culvert 10, thus avoiding the problem of subsequent pipe blockage caused by debris.

[0042] In one embodiment, the fixed frame 5 is reinforced and supported by diagonal bracing rods 14, the bottom of which is provided with anti-slip blocks.

[0043] It should be noted that if the embodiments of the present invention involve directional indicators such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicators will also change accordingly.

[0044] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied. Furthermore, "multiple" refers to two or more. Moreover, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A control device for water diversion in a gravity-flow box culvert, comprising an old box culvert (1) and a newly built box culvert (2), wherein the newly built box culvert (2) is connected to the old box culvert (1) and a regulating water tank (3) respectively, characterized in that... It also includes a baffle plate (4) located at the connection between the new box culvert (2) and the old box culvert (1). The baffle plate (4) is movably installed in a fixed frame (5) located at the connection between the new box culvert (2) and the old box culvert (1) and its movement is controlled by a telescopic unit (6). By adjusting the liquid level information fed back in the water tank (3), the baffle plate (4) is controlled to enter and exit the old box culvert (1) to change the amount of water entering the new box culvert (2). The newly built box culvert (2) is provided with a branch culvert (10). One end of the branch culvert (10) is connected to the inlet of the regulating pool (3), and the other end is connected to the old box culvert (1). The inlet of the regulating pool (3) is provided with a control valve (11), which is used to close the regulating pool (3) when the newly built box culvert (2) is being dredged, so that the water containing silt is guided back to the old box culvert (1) for discharge. The newly built box culvert (2) is equipped with a filter screen (12), which is located at the culvert opening of the branch culvert (10). A rotatable mounting shaft (13) is inserted into the filter screen (12). The newly built box culvert (2) is equipped with a cleaning port located at the filter screen (12). The filter screen (12) can change position in the newly built box culvert (2) and the branch culvert (10).

2. The control device for gravity-flow box culvert water diversion as described in claim 1, characterized in that: The newly built box culvert (2) is equipped with a silt triggering device (7) to detect whether there is silt blockage in the newly built box culvert (2). The silt triggering device (7) is equipped with flushing devices (8) on both sides to flush the blocked pipe.

3. The control device for gravity-flow box culvert water diversion as described in claim 2, characterized in that: The silt triggering device (7) includes an impeller (71) arranged along the water flow direction. The impeller (71) is mounted on a bracket (72), and a speed sensor (73) is installed on the impeller (71) to issue an alarm signal when the speed of the impeller (71) decreases to a set value.

4. The control device for gravity-flow box culvert water diversion as described in claim 2, characterized in that: The flushing device (8) includes a flushing nozzle installed in the new box culvert (2). The flushing nozzle is arranged in a ring at equal intervals along the inner wall of the new box culvert (2), and the flushing nozzle is installed on an angle adjustment mechanism to send flushing water flow to different silt blockage locations in the new box culvert (2).

5. The control device for gravity-flow box culvert water diversion as described in claim 1, characterized in that: The baffle plate (4) is provided with a diagonal brace (41). One end of the diagonal brace (41) is rotatably connected to the baffle plate (4), and the other end is connected to the baffle plate (4) through a folding structure (42). The diagonal brace (41) moves in and out of the old box culvert (1) with the baffle plate (4) and adapts to shrinking and expanding. The inner wall of the old box culvert (1) is provided with a limiting groove that abuts against the end of the diagonal brace (41). The connection between the new box culvert (2) and the old box culvert (1) is provided with a roller that abuts against the diagonal brace (41).

6. The control device for gravity-flow box culvert water diversion as described in claim 1, characterized in that: The old box culvert (1) is equipped with a throttle valve (9). When the liquid level in the regulating pool (3) is lower than the set value, the throttle valve (9) is closed before the baffle plate (4) is extended into the old box culvert (1) to reduce the flow rate in the old box culvert (1). After the baffle plate (4) is extended into the old box culvert (1), the throttle valve (9) is opened.

7. The control device for gravity-flow box culvert water diversion as described in claim 1, characterized in that: The fixed frame (5) is reinforced and supported by diagonal bracing rods (14), and the bottom of the diagonal bracing rods (14) is provided with anti-slip blocks.

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