Inverted siphon automatic flushing system and flushing method thereof

Abstract

The invention discloses an inverted siphon automatic flushing system, comprising an inlet pipe, a first inverted siphon well, a second inverted siphon well, a first inverted siphon pipe, a second inverted siphon pipe, an outlet pipe and a control system. The flushing method comprises a water storage period, a flushing period and an idle period. During the water storage period, sewage flows into an inlet chamber in the first inverted siphon well through the inlet pipe, and the control system opens the hydraulic gate of the inlet chamber, the hydraulic gate of the water storage chamber and the vacuum valve of the maintenance chamber, and the sewage in the inlet chamber and the inverted siphon pipe flows into the water storage chamber under the action of the pressure difference; during the flushing period, after the liquid level in the water storage chamber reaches the set liquid level, the stored water in the water storage chamber quickly flows into the inverted siphon pipe under the action of gravity; during the idle period, after the inverted siphon pipe completes automatic flushing, the control system first closes the hydraulic gate of the water storage chamber, and then opens the hydraulic gate of the water inlet chamber. The invention not only has the advantages of automatic flushing, no need for external water source, good flushing effect and easy management, but also can realize local and remote real-time control.

Description

Technical Field

[0001] The invention relates to the technical field of drainage, and in particular to an inverted siphon automatic flushing system and a flushing method thereof. Background Art

[0002] In recent years, with the rapid development of urbanization in my country, water safety and water environment issues have become increasingly prominent. In order to ensure the steady progress of my country's ecological civilization construction, relevant national departments have successively issued a series of guiding documents, clearly requiring the comprehensive improvement of the urban sewage pipe network system. Due to the systematic nature of the sewage pipe network, most urban areas are divided into different areas by natural and artificial barriers such as rivers and railways. When connecting the sewage pipe network, obstacles such as rivers, mountain streams, depressions or underground structures are often encountered. It cannot be designed and constructed according to the slope and burial depth parameters of flat areas. Therefore, the sewage pipe network in this case often needs to use an inverted siphon to pass through obstacles. At present, the competent departments in various regions of my country do not pay enough attention to the operation and maintenance of the sewage pipe network, resulting in a large amount of sediment accumulation inside the pipe. After the sediment enters the inverted siphon pipe, it is more difficult to remove, thereby affecting the overall water flow capacity of the pipe network. In serious cases, it will cause a manhole cover overflow accident in the upstream pipe.

[0003] In order to solve the problem of sediment accumulation in the inverted siphon pipe and ensure the normal operation of the sewage pipe network, the inverted siphon pipe is mainly desilted by three methods: manual cleaning, hydraulic dredging and mechanical clearing. However, the existing pipeline desilting methods require special operators to operate on site, which may result in untimely desilting or desilting blind spots, especially in the suburbs and in the inverted siphon pipes of enterprises and institutions. How to make the inverted siphon pipe have better automatic flushing ability, reduce the workload of personnel and desilting blind spots is one of the important issues that need to be solved urgently.

[0004] Technicians in this technical field are committed to solving the above-mentioned technical defects. Summary of the invention

[0005] In view of the above-mentioned defects of the prior art, the technical purpose of the present invention is to solve the problems mentioned in the above-mentioned background technology.

[0006] To achieve the above technical objectives, the present invention provides an inverted siphon automatic flushing system, including an inlet pipe, a first inverted siphon well, a second inverted siphon well, a first inverted siphon pipe, a second inverted siphon pipe, a water outlet pipe and a control system, wherein the first inverted siphon well is provided with an inlet chamber and a water storage chamber, the water inlet chamber is provided with a first hydraulic gate and a first liquid level gauge, the water storage chamber is provided with a second hydraulic gate and a second liquid level gauge, the first inverted siphon well is provided with an inspection chamber located at the upper part of the water storage chamber, the inspection chamber is provided with a vacuum valve, the water inlet pipe is connected to the water inlet chamber, the second inverted siphon well is provided with a water outlet chamber, the water outlet chamber is connected with a water outlet pipe, the water storage chamber is connected to the water outlet chamber through the second inverted siphon pipe, and the water inlet chamber is connected to the second inverted siphon pipe through the first inverted siphon pipe.

[0007] Preferably, the first hydraulic gate and the second hydraulic gate both have a rapid opening and closing function, and the first hydraulic gate and the second hydraulic gate are respectively provided with an energy accumulator.

[0008] Preferably, a sealed pressure cover plate is provided on the inspection chamber.

[0009] Preferably, one end of the second inverted siphon away from the water storage chamber is connected to the water outlet chamber via an inclined pipe and a slow-flow pipe in sequence.

[0010] Preferably, the lowest height of the slow-flow pipe in the inner part of the second inverted siphon is higher than the highest liquid level of the water outlet chamber.

[0011] Preferably, the control system can not only transmit information to a remote control center or a mobile phone APP, but also realize real-time control of each device locally or remotely.

[0012] The present invention also provides a flushing method for the above-mentioned inverted siphon automatic flushing system, comprising the following steps:

[0013] S1, water storage period: sewage flows into the water inlet chamber in the first inverted siphon through the water inlet pipe. When the first liquid level gauge determines that the liquid level in the water inlet chamber is lower than the set value, the control system opens the first hydraulic gate of the water inlet chamber, the second hydraulic gate of the water storage chamber and the vacuum valve of the maintenance room. The sewage in the water inlet chamber, the first inverted siphon and the second inverted siphon will flow into the water storage chamber under the action of the pressure difference. When the liquid level in the water storage chamber reaches the set value, the first hydraulic gate of the water inlet chamber is immediately closed.

[0014] S2, flushing period: after the liquid level in the water storage chamber reaches the set level, the second liquid level meter transmits a signal to the control system, and the control system closes the vacuum valve of the maintenance room according to the preset program. The stored water in the water storage chamber quickly flows into the second inverted siphon under the action of gravity, and the sediment in the pipe is swept to the second inverted siphon well under the scouring action of the high-speed water flow, and the flushing water enters the downstream sewage pipe network through the outlet pipe;

[0015] S3, idle period: After the first inverted siphon and the second inverted siphon complete automatic flushing, the control system first closes the second hydraulic gate of the water storage chamber, and then opens the first hydraulic gate of the water inlet chamber for subsequent use.

[0016] Beneficial effects of the present invention:

[0017] Due to the above structure and method, the present invention not only has the advantages of automatic flushing, no need for external water source, good flushing effect and easy management, but also can realize local and remote real-time control. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the planar structure of the present invention;

[0019] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0020] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure at BB in the middle.

[0021] In the figure: 1 water inlet pipe, 2 water inlet chamber, 3 first hydraulic gate, 4 first inverted siphon, 5 water storage chamber, 6 second hydraulic gate, 7 maintenance chamber, 8 sealed pressure cover plate, 9 vacuum valve, 10 second liquid level gauge, 11 first liquid level gauge, 12 second inverted siphon, 13 inclined pipe, 14 slow-flowing pipe, 15 water outlet chamber, 16 water outlet pipe, 17 second inverted siphon well, 18 first inverted siphon well, 19 control system. DETAILED DESCRIPTION

[0022] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.

[0023] Example:

[0024] like Figure 1-Figure 3 As shown, an inverted siphon automatic flushing system includes an inlet pipe 1, a first inverted siphon well 18, a second inverted siphon well 17, a first inverted siphon pipe 4, a second inverted siphon pipe 12, a water outlet pipe 16 and a control system 19. The first inverted siphon well 18 is provided with an inlet chamber 2 and a water storage chamber 5. The water inlet chamber 2 is provided with a first hydraulic gate 3 and a first liquid level gauge 11. The water storage chamber 5 is provided with a second hydraulic gate 6 and a second liquid level gauge 10. The first inverted siphon well 18 is provided with an inspection room 7 at the upper part of the water storage chamber 5. The inspection room 7 is provided with a vacuum valve 9. The inlet pipe 1 is connected to the inlet chamber 2. The second inverted siphon well 17 is provided with a water outlet chamber 15. The water outlet chamber 15 is connected with a water outlet pipe 16. The water storage chamber 5 is connected with the water outlet chamber 15 through the second inverted siphon pipe 12, and the water inlet chamber 2 is connected with the second inverted siphon pipe 12 through the first inverted siphon pipe 4.

[0025] Specifically, the first hydraulic gate 3 and the second hydraulic gate 6 both have a rapid opening and closing function, and the first hydraulic gate 3 and the second hydraulic gate 6 are respectively provided with an energy storage device.

[0026] Specifically, a sealed pressure cover plate 8 is provided on the maintenance chamber 7 to facilitate installation and maintenance of the second hydraulic gate 6 .

[0027] Specifically, one end of the second inverted siphon 12 away from the water storage chamber 5 is connected to the water outlet chamber 15 through the inclined pipe 13 and the slow-flow pipe 14 in sequence.

[0028] Specifically, the lowest height of the slow-flow pipe 14 in the second inverted siphon 17 is higher than the highest liquid level of the water outlet chamber 15 .

[0029] Specifically, the control system 19 can not only transmit information to the remote control center or mobile phone APP, but also realize real-time control of each device locally or remotely.

[0030] The flushing method of the above-mentioned inverted siphon automatic flushing system comprises the following steps:

[0031] S1, water storage period: sewage flows into the water inlet chamber 2 in the first inverted siphon 18 through the water inlet pipe 1. When the first liquid level meter 11 determines that the liquid level in the water inlet chamber 2 is lower than the set value, the control system 19 opens the first hydraulic gate 3 of the water inlet chamber 2, the second hydraulic gate 6 of the water storage chamber 5 and the vacuum valve 9 of the maintenance chamber 7. The sewage in the water inlet chamber 2, the first inverted siphon 4 and the second inverted siphon 12 will flow into the water storage chamber 5 under the action of the pressure difference; when the liquid level in the water storage chamber 5 reaches the set value, the first hydraulic gate 3 of the water inlet chamber 2 is immediately closed;

[0032] S2, flushing period: after the liquid level in the water storage chamber 5 reaches the set liquid level, the second liquid level meter 10 transmits a signal to the control system 19, and the control system 19 closes the vacuum valve 9 of the maintenance chamber 7 according to the preset program, and the stored water in the water storage chamber 5 quickly flows into the second inverted siphon 12 under the action of gravity, and the sediment in the pipe is swept to the second inverted siphon well 17 under the scouring action of the high-speed water flow, and the flushing water enters the downstream sewage pipe network through the outlet pipe 16;

[0033] S3, idle period: After the first inverted siphon 4 and the second inverted siphon 12 complete automatic flushing, the control system 19 first closes the second hydraulic gate 6 of the water storage chamber 5, and then opens the first hydraulic gate 3 of the water inlet chamber 2 for subsequent use.

[0034] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. An inverted siphon automatic flushing system, comprising a water inlet pipe, a first inverted siphon well, a second inverted siphon well, a first inverted siphon pipe, a second inverted siphon pipe, a water outlet pipe and a control system, characterized in that: A water inlet chamber and a water storage chamber are provided in the first inverted siphon well, a first hydraulic gate and a first liquid level gauge are provided in the water inlet chamber, a second hydraulic gate and a second liquid level gauge are provided in the water storage chamber, a maintenance chamber is provided at the upper part of the first inverted siphon well, a vacuum valve is provided on the maintenance chamber, the water inlet pipe is connected to the water inlet chamber, a water outlet chamber is provided in the second inverted siphon well, a water outlet chamber is connected to the water outlet pipe, the water storage chamber is connected to the water outlet chamber through the second inverted siphon pipe, and the water inlet chamber is connected to the second inverted siphon pipe through the first inverted siphon pipe.

2. The inverted siphon automatic flushing system according to claim 1, characterized in that: The first hydraulic gate and the second hydraulic gate both have a rapid opening and closing function, and the first hydraulic gate and the second hydraulic gate are respectively provided with an energy accumulator.

3. The inverted siphon automatic flushing system according to claim 1, characterized in that: The inspection room is provided with a sealed pressure cover plate.

4. The inverted siphon automatic flushing system according to claim 1, characterized in that: One end of the second inverted siphon away from the water storage chamber is communicated with the water outlet chamber through an inclined pipe and a slow-flowing pipe in sequence.

5. The inverted siphon automatic flushing system according to claim 4, characterized in that: The lowest height of the slow-flow pipe in the inner part of the second inverted siphon is higher than the highest liquid level of the water outlet chamber.

6. The flushing method of the inverted siphon automatic flushing system according to any one of claims 1 to 5, comprising the following steps: S1, water storage period: sewage flows into the water inlet chamber in the first inverted siphon through the water inlet pipe. When the first liquid level gauge determines that the liquid level in the water inlet chamber is lower than the set value, the control system opens the first hydraulic gate of the water inlet chamber, the second hydraulic gate of the water storage chamber and the vacuum valve of the maintenance room. The sewage in the water inlet chamber, the first inverted siphon and the second inverted siphon will flow into the water storage chamber under the action of the pressure difference. When the liquid level in the water storage chamber reaches the set value, the first hydraulic gate of the water inlet chamber is immediately closed. S2, flushing period: after the liquid level in the water storage chamber reaches the set level, the second liquid level meter transmits a signal to the control system, and the control system closes the vacuum valve of the maintenance room according to the preset program. The stored water in the water storage chamber quickly flows into the second inverted siphon under the action of gravity, and the sediment in the pipe is swept to the second inverted siphon well under the scouring action of the high-speed water flow, and the flushing water enters the downstream sewage pipe network through the outlet pipe; S3, idle period: After the first inverted siphon and the second inverted siphon complete automatic flushing, the control system first closes the second hydraulic gate of the water storage chamber, and then opens the first hydraulic gate of the water inlet chamber for subsequent use.

Images