CN215759484U - Intercepting well with functions of preventing backflow and safely draining waterlogging - Google Patents

Abstract

The utility model provides an intercepting well with functions of preventing backflow and safely draining waterlogging, which is arranged at the tail end of a drainage port entering a river channel system, and comprises: the device comprises a rotary weir gate, a stop log gate, an electric gate, an ultrasonic liquid level meter, a remote terminal control system, a hydraulic station and a power distribution cabinet. The rotary weir gate is used as a backflow prevention facility and is arranged at the overflow end of the intercepting well; the stoplog gate is positioned at the end close to the river and is arranged between the rotary weir gate and the river channel; the electric gate is positioned at the orifice of the intercepting pipe of the sewage bin of the intercepting well; the ultrasonic liquid level meter is arranged in the sewage bin and the overflow bin. The utility model can be applied to the initial rainwater interception regulation and storage of a drainage system, has high intelligent degree, high safety coefficient and comprehensive drainage function; the depth of the foundation pit is shallow, the manufacturing cost and the failure rate are low, the water stop effect is good, and the equipment replacement is convenient; but advantages such as outage automatic opening or pressurize can accurate regulation and control system running state, prevent that the waterlogging dangerous situation under the proruption operating mode from taking place, are applicable to the straight row mouth in black and odorous water body treatment and cut dirty.

Description

Intercepting well with functions of preventing backflow and safely draining waterlogging

Technical Field

The utility model relates to the field of municipal engineering, in particular to an intercepting well which is suitable for initial rainwater interception and regulation of a drainage system and has functions of backflow prevention and safe drainage.

Background

The urban black and odorous water body is a water environment problem which is reflected by common people, so that the urban living environment is damaged, and the urban image is seriously influenced. The action plan for preventing and treating water pollution (ten items in water) issued by the State Council in 2015 clearly provides a target: before the end of 2017 years, large-area floaters on river surfaces of cities on the ground level and above are avoided, the river banks are free of garbage and illegal sewage outlets, and black and odorous water bodies are basically eliminated in built areas of direct-administration cities, provincial-meeting cities and planned single-row cities; before the end of 2020, black and odorous water bodies in built-up areas of cities above ground level are controlled within 10%; by 2030, black and odorous water in built-up areas of cities in China is totally eliminated. With the gradual approach of task time nodes, how to quickly and effectively eliminate black and odorous water forms a new problem.

According to the working guideline for treating urban black and odorous water bodies, source control and sewage interception are one of important technologies for treating black and odorous water bodies. The drainage systems in different areas are limited by local financial and historical factors, different types of drainage systems exist, most of old urban areas are still combined systems, the diversion difficulty is high, and the cost is high; the new city is a shunt system, but a more serious shunt system mixed connection phenomenon exists. The traditional fixed weir intercepting well, the skip intercepting well, the float valve intercepting well and the like have lower drainage safety factor, less accurate interception of sewage, higher operation and maintenance difficulty and can not achieve the expected effect; the lower open weir gate is used as a catch basin of the backflow prevention facility, the depth of the foundation pit is deep, and the failure rate is high; the wall-attached electric gate is used as a intercepting well of a backflow prevention facility, and has poor bidirectional water stopping effect and the like.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the problems in the prior art, provides the intercepting well with the functions of preventing backflow and safely draining waterlogging, and provides the intercepting well which is more intelligent, higher in safety factor, more complete and comprehensive in waterlogging draining function, shallower in foundation pit depth, lower in manufacturing cost and failure rate, better in water stopping effect, convenient to replace equipment, capable of being automatically opened or pressure-maintaining in case of power failure, and capable of accurately regulating and controlling and preventing the occurrence of the dangerous waterlogging condition under the sudden working condition.

The utility model provides a catch basin with functions of preventing backflow and safely draining waterlogging, which adopts the technical scheme that:

an intercepting well with functions of preventing backflow and safely draining stagnant water is arranged at the tail end of a drainage port entering a river channel system; the vatch basin includes: the system comprises a rotary weir gate, a stoplog gate, an electric gate, an ultrasonic liquid level meter, a remote terminal control system, a hydraulic station and a power distribution combination cabinet; the rotary weir gate is used as a backflow prevention facility and is arranged at the overflow end of the intercepting well; the stoplog gate is arranged at the end close to the river and is arranged between the rotary weir gate and the river channel; the electric gate comprises an upper end electric hoist and is arranged at the orifice of the intercepting pipe of the sewage bin of the intercepting well; the ultrasonic liquid level meter is arranged in the sewage bin and the overflow bin.

Furthermore, the backflow prevention facility is a hydraulic rotary weir gate made of stainless steel and arranged at the opening of an overflow bin of the intercepting well, and the rotary weir gate can adopt three-edge water stopping or four-edge water stopping according to the relation between a discharge opening and the flood level of the river channel and has the function of bidirectional water stopping; the power mode is hydraulic opening and closing, hydraulic cylinders and cross beams on two sides of the rotary weir gate are anchored and fixed on two sides of the wall of the rear sewage bin through chemical bolts, an electromagnetic regulating valve is arranged above the cross beam, and the opening and closing angle of the rotary weir gate can be regulated by regulating the opening and closing angle of the hydraulic cylinders; the rotary weir gate can be automatically opened or pressure-maintaining when the power is cut off, and a physical overflow port is arranged at the position of the flood level at the upper end of the rotary weir gate for twenty years, so that the dangerous waterlogging condition under extreme working conditions (including equipment power cut) is prevented.

Furthermore, a stoplog gate for maintenance is arranged on the side facing the river and made of aluminum alloy, the stoplog gate is installed between the hydraulic rotary weir gate and the river channel, 300 × 100 × 10mm gate frame civil construction embedding is carried out on the stoplog gate, 150 × 100 × 10 steel plates are embedded for fixing every 500mm in the vertical direction, then bottom ridge installation is carried out, and the gate plate is in place, checked and debugged; the frame top height and the flashboard installation height of the stoplog gate frame for overhauling need to be higher than the flood level in the inland river for twenty years, and the device is debugged, replaced and overhauled for later operation and maintenance.

Furthermore, the sewage interception end is provided with a sewage interception electric gate made of cast iron and copper-inlaid wall-attached gate, and the sewage interception electric gate comprises an upper end electric hoist and is arranged at the hole of the intercepting pipe of the sewage bin of the intercepting well; the electric gate is provided with an electromechanical integrated actuating mechanism, the power mode of the gate is upward-opening electric opening and closing, steel plates at the gate opening and the opening and closing machine are required to be embedded, then the gate frame and the steel plates are installed and fixed and are poured for the second time, and the installation of the screw rod and the opening and closing machine is carried out after the installation of the door body is finished.

Further, need be equipped with corresponding ultrasonic wave level gauge, the ultrasonic wave level gauge respectively sets up a department in sewage storehouse and overflow storehouse, is fixed in vatch basin wall upper end through the mount for monitoring sewage storehouse and overflow storehouse water level, with signal transmission to local control cabinet and wisdom water utilities high in the clouds control system, be used for controlling opening and close of intercepting dirty end electrically operated gate and the rotatory weir gate of overflow end hydraulic pressure, guarantee to intercept dirty effect and drainage waterlogging installation.

Furthermore, a remote terminal control system (RTU for short), a hydraulic station, a power distribution (AP for short) cabinet and the like are required to be equipped, the cabinet body adopts an IP65 outdoor cabinet standard, and the control mode sequentially comprises the following steps from low to high according to the priority: remote control, local control and machine side control, and the control authority can be switched through a local/remote switch of a local control box and a switch of a monitoring interface. After a low-voltage power supply inlet wire is connected into an AP cabinet, the low-voltage power supply inlet wire is divided into two paths, one path is distributed to an RTU cabinet, the other path is distributed to equipment, a corresponding matched fuse is arranged, three-level load is adopted, a rotary weir gate needs to have the function of automatically opening when power is off, and an electric gate is a mechanical and electrical integrated actuating mechanism; three cabinets are integrated, namely the AP, the RTU cabinet and the hydraulic station are intensively and comprehensively arranged in one cabinet, and the occupied area and the appearance influence are reduced. The cabinet body should be attached with a sunshade canopy, an air inlet and outlet fan and a filtering device are configured, the air duct and the air volume meet the EPS heat dissipation requirement, and the cabinet door is opened by adopting a special tool. The cabinet body and the equipment are required to be reliably and effectively grounded, and the grounding mode adopts TT system. All normally uncharged exposed conductive parts of the electrical equipment, external conductive parts of the device and metal railings on the pool are reliably grounded. The grounding device adopts a structure metal member as a natural grounding body, the grounding resistance is not more than 1 ohm, and the need of repairing an artificial grounding electrode cannot be reached.

The utility model provides a catch basin with functions of preventing backflow and safely draining waterlogging, which has the following beneficial effects:

1. the hydraulic rotary weir gate of the backflow prevention facility of the intercepting well has the functions of bidirectional water stopping and automatic opening or pressure maintaining in case of power failure, can effectively prevent river water from flowing backwards and ensure the safety of drainage;

2. the stoplog gate for overhauling has a temporary water retaining function, and can effectively reduce the difficulty of overhauling equipment in the later operation and maintenance period;

3. the electric gate of the sewage interception facility of the intercepting well adopts a belt electromechanical integrated executing mechanism, has the functions of machine side control, local control and remote control, can effectively prevent the backflow prevention facility from being opened due to rain conditions, power failure or other extreme working conditions, and the condition of the inland river backflow sewage interception system occurs, and can accurately regulate and control the intercepting water quantity.

4. The ultrasonic wave level gauge in vatch basin sewage storehouse and overflow storehouse can the effectual liquid level condition that provides two storehouses, and transmission signal is to local switch board and long-range wisdom water affairs high in the clouds, provides basic data support for intelligent vatch basin control.

5. The remote terminal control system RTU, the hydraulic station and the AP cabinet of the intercepting well have a cabinet body adopting the IP65 outdoor cabinet standard, and can be effectively operated and used outdoors for a long time; the control mode comprises the following steps in sequence from low priority to high priority: remote control, local control, machine side control, the switching of control authority can be realized through the local/remote change-over switch of the field control box and the change-over switch of the monitoring interface, and the intelligent control vatch basin in all aspects can be effective.

In a word, the utility model can be applied to the initial rainwater interception regulation and storage of a drainage system, comprehensively determines the selection principle of the intercepting well according to the elevation, the caliber, the water quantity and the regional safety of the access drainage port and the engineering economic benefit, can be connected to the intelligent water service cloud platform for online monitoring and remote regulation and control, and has more intellectualization, higher safety factor and more complete and comprehensive drainage function compared with the traditional fixed weir intercepting well, skip intercepting well, float valve intercepting well and the like; compare in other intelligent weir doors such as under formula weir door, attaches wall type electric gate as the vatch basin that prevents flowing backward the facility, it is shallower to have the foundation ditch degree of depth, and cost and fault rate are lower, and the stagnant water effect is better, and it is convenient to change equipment to the advantage that outage can be opened automatically or the pressurize, can accurate regulation and control system running state, prevent that the inland inundation dangerous situation under the proruption operating mode from taking place, be applicable to the straight vent in the black and odorous water body management and cut dirty.

Drawings

FIG. 1 is a schematic cross-sectional view of a vatch well according to the present invention;

FIG. 2 is a schematic sectional view of an electric gate for intercepting sewage in a intercepting well according to the present invention;

FIG. 3 is a schematic sectional view of a hydraulic rotary weir gate of the anti-backflow facility of the intercepting well according to the present invention;

fig. 4 is a schematic structural view of a cross section of a stop log gate for overhauling the intercepting well according to the present invention;

FIG. 5 is a schematic cross-sectional view of an ultrasonic level gauge of the intercepting well according to the present invention;

FIG. 6 is a schematic diagram of an intercepting well RTU, an AP, a hydraulic station cabinet and an equipotential connection according to the present invention;

in the figure:

1, the pipe bottom of the water inlet pipe is elevated; 2, the bottom of the intercepting pipe is elevated; 3, the bottom of the hole of the overflow bin is elevated; 4, the bottom of the physical overflow port is elevated;

5, electrically driving a gate, 51 opening and closing a machine head, 52 pre-embedding a steel plate at the opening and closing machine, 53 lead screws, 54 secondary pouring, 55 pre-embedding a steel plate at the opening of the gate, 56 gate door frames and 57 door bodies;

6 rotary weir gate, 601 frame, 602 weir gate, 603 crossbeam, hydraulic cylinder support, 604 bearing bolt

125, 605 spacer ring, 606 lateral seal, 607 bottom seal, 608 upper seal, 609UA type gasket, 610 hexagonal screws DIN933M12x30, 611 hydraulic units, hydraulic cylinders, valves, current distributors, 612 bonding anchors, 613 bonding anchor boxes, 614 chemical bolt anchors, 615 bonding anchors, 616 chemical bolt anchors and 617 electromagnetic regulating valves;

7 ultrasonic liquid level meter, 71 ultrasonic liquid level meter main body, 72 fixing frame, 73 intercepting well pool wall;

8-stoplog gate, 81 gate, 82 gate frame, 83 steel plate (150 × 100 × 10), 84 sill mounting;

9, a remote terminal control system, a hydraulic station and power distribution combined cabinet, 91 cabinet body illumination, 92AP cabinet and touch screen, 93UPS uninterrupted power supply related mounting supports, 94 hydraulic station, 95 hydraulic station fixing base, 96 hydraulic station fixing cross beam, 97 equipment, pipeline metal embedded parts, 98 metal rails, 99AP PE row, 910 structure inner main ribs as equipotential connecting lines, 911 bottom plate main ribs formed horizontal grounding net, 912 embedded grounding connecting plates;

10 electric cabinet base; 11, ground elevation; 12, finishing surface elevation of the intercepting well; 13 covering a cover plate on the glass fiber reinforced plastic grating; 14 stop sill of the stoplog; 15 intercepting well civil engineering structure.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

Examples

The embodiment is an intercepting well with functions of preventing backflow and safely draining stagnant water, and is arranged at the tail end of a drainage port entering a river channel system. As shown in fig. 1, the intercepting well includes: the device comprises a rotary weir gate 6, a stop log gate 8, an electric gate 5, an ultrasonic liquid level meter 7, a remote terminal control system, a hydraulic station and a power distribution combination cabinet 9; the rotary weir gate 6 is used as a backflow prevention facility and is arranged at the overflow end of the intercepting well; the stoplog gate 8 is arranged at the end close to the river and is arranged between the rotary weir gate 6 and the river channel; the electric gate 5 comprises an electric hoist at the upper end and is arranged at the orifice of the intercepting pipe of the sewage bin of the intercepting well; and the ultrasonic liquid level meter 7 is arranged in the sewage bin and the overflow bin. The vatch basin still includes: the physical overflow port 4, a cover plate 13 for covering a glass fiber reinforced plastic grid for overhaul, a stop log gate sill 14 and a civil engineering structure 15 of the intercepting well.

As shown in fig. 2, the sewage interception electric gate 5 is a cast iron copper-inlaid wall-attached gate with an electromechanical integrated actuator, and the power mode of the gate is an upward-opening electric opening and closing mode; the method comprises the steps of embedding 52 a steel plate at the position of a hoist and 55 a steel plate at the position of a gate opening, installing and fixing a gate frame 56 and the steel plate, casting 54 for the second time, installing a screw rod 53 and the hoist 51 after the door body 57 is installed, and debugging at last.

As shown in fig. 3, the hydraulic rotary weir gate 6 of the backflow prevention facility is a hydraulic opening and closing device, the hydraulic cylinders and the cross beam 603 on both sides of the rotary weir gate are fixed on both sides of the wall of the rear sewage storage tank through chemical bolt anchors 616, an electromagnetic regulating valve 617 is arranged above the cross beam, the opening and closing angles of the hydraulic cylinders can be adjusted to adjust the opening and closing angles of the rotary weir gate by adjusting the hydraulic units, the hydraulic cylinders, the valves and the current distributor 611 through the electromagnetic regulating valve 617; fixing the frame 601 to the civil construction pool wall of the intercepting well by adopting a chemical bolt anchor 614, and then installing a weir gate 602; the wing frame 601 is fixed by a bonding anchor 613 and a bonding anchor box 615; the weir gate 602 is connected with the frame 601 by a bearing bolt 604, an isolating ring 605, a U-shaped gasket 609 and a hexagon screw 610; the hydraulic rotary weir gate needs to be sealed in the lateral direction 606, the bottom portion 607 and the upper portion 608, so that the four-side bidirectional water stopping effect is achieved.

As shown in fig. 4, the stop log gate for maintenance is normally open and is a stock in a daily state. Installing the stoplog gate between a hydraulic rotary weir gate and a river channel, building and embedding 300 × 100 × 10mm gate frames 82 of the stoplog gate, fixing 150 × 100 × 10 steel plates 83 embedded vertically every 500mm, installing 84 bottom sills, and finally carrying out in-place inspection and debugging on the gate plates 81; the frame top height and the flashboard installation height of the stoplog gate frame for overhauling need to be higher than the flood level in the inland river for twenty years, and the device is used for debugging, replacing and overhauling during later-period operation and maintenance.

As shown in fig. 5, the ultrasonic level meter 7 is respectively provided with a part in the sewage bin and the overflow bin, the ultrasonic level meter main body 71 is fixed at the upper end of the pool wall 73 of the intercepting well through a fixing frame 72, is used for monitoring the water level of the sewage bin and the overflow bin, transmits signals to a local control cabinet and an intelligent water service cloud control system, is used for controlling the opening and closing of the hydraulic rotary weir gate at the sewage interception end and the overflow end, and ensures the sewage interception effect and drainage installation.

As shown in fig. 6, the RTU, the hydraulic station, the AP and the like are provided, the cabinet body adopts the IP65 outdoor cabinet standard, and the control mode sequentially includes, from low to high according to the priority: remote control, local control and machine side control, and the control authority can be switched through a local/remote switch of a local control box and a switch of a monitoring interface. And after a low-voltage power supply inlet wire is connected into the AP cabinet, the low-voltage power supply inlet wire is divided into two paths, one path is distributed to the RTU, the other path is distributed to the equipment, a corresponding matched fuse is arranged, and three-level load is adopted. Three cabinets are integrated, namely the AP cabinet, the RTU cabinet and the hydraulic station are intensively and comprehensively arranged in one cabinet, and the occupied area and the appearance influence are reduced. The cabinet is internally roughly provided with a cabinet body lighting 91, an AP cabinet and a touch screen 92, a UPS uninterrupted power supply related mounting bracket 93, a hydraulic station 94 is fixed in the cabinet through a hydraulic station fixing base 95 and a hydraulic station fixing cross beam 96, a sunshade canopy is attached, an air inlet and outlet fan and a filtering device are configured, the air duct and the air volume meet the heat dissipation requirements of EPS, and the cabinet door can be opened by adopting a special tool. The cabinet body and the equipment are required to be reliably and effectively grounded, and the grounding mode adopts TT system. All the equipment, the pipeline metal embedded parts 97, the metal railings 98 and the PE rows 99 of the AP need to be embedded with grounding connecting plates 912 in advance, and then equipotential connection is formed by making equipotential connecting lines 910 through main ribs in a structure and a horizontal grounding network 911 formed by main ribs of a bottom plate. The grounding resistance is not more than 1 ohm, and the manual grounding electrode which needs to be repaired cannot be reached.

The operating condition in dry seasons is as follows: the hydraulic rotating weir gate against backward flow is normally closed, the electric gate is normally opened, and the stoplog gate is normally opened (only when the equipment is overhauled, the hydraulic rotating weir gate against backward flow is used temporarily).

The operation condition in rainy season: the liquid level of the front pool of the intercepting well is used as a control signal, the liquid level of the front pool is higher than the top of the water inlet pipe (adjustable), the liquid level of the front pool is higher than that of the rear pool, meanwhile, the working condition lasts for more than 1min (adjustable), the backward flow preventing hydraulic rotary weir gate is opened, the intercepting electric gate is closed, and the operation working condition of the intercepting well in rainy season is entered

After the rainfall stops: after rainfall stop signal 1h (adjustable) is sent by following river monitoring station, and when the river course water level reduced to normal water level, the rotatory weir door of the hydraulic pressure that prevents flowing backward was closed, and the electronic gate that dams opens. And recovering to the dry season operation condition.

The situation that the water level of the forebay is ultrahigh: once the forebay water level reaches the flood level elevation of the well (adjustable), the hydraulic rotary weir gate is rapidly opened.

Emergency power off situation: the intelligent water affair platform instruction is used as the premise. If the instruction is the existing rain condition, the hydraulic rotating weir gate is automatically opened; if the command is that no rain exists, the RTU cabinet sends a command to the electromagnetic regulating valve of the hydraulic rotating weir gate, and pressure maintaining is continued to ensure that sewage does not enter the river.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (7)

1. An intercepting well with functions of preventing backflow and safely draining stagnant water is arranged at the tail end of a drainage port entering a river channel system; the vatch basin includes: the device comprises a rotary weir gate (6), a stoplog gate (8), an electric gate (5), an ultrasonic liquid level meter (7), a remote terminal control system, a hydraulic station and a power distribution combination cabinet (9); the rotary weir gate (6) is arranged at the overflow end of the intercepting well; the stoplog gate (8) is arranged at the end close to the river and is arranged between the rotary weir gate (6) and the river channel; the electric gate (5) comprises an electric hoist at the upper end and is arranged at the orifice of the intercepting pipe of the sewage bin of the intercepting well; the ultrasonic liquid level meter (7) is arranged in the sewage bin and the overflow bin.

2. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the rotary weir gate (6) is positioned at an overflow bin opening of the intercepting well, is a hydraulic rotary weir gate, is three-edge water stopping or four-edge water stopping and is bidirectional water stopping; hydraulic cylinders and cross beams (603) on two sides of the rotary weir gate (6) are fixed on two sides of the wall of the rear sewage bin through chemical bolt anchors (616), and an electromagnetic regulating valve (617) is arranged above the cross beams; the physical overflow port (4) is arranged at the position of the twenty-year flood level at the upper end of the rotary weir gate (6).

3. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the stoplog gate (8) is embedded by adopting a 300X 100X 10mm gate frame (82) in a civil engineering mode, and 150X 100X 10 steel plates (83) are embedded vertically at intervals of 500 mm; the frame top height of the stop log gate frame (82) and the installation height of the gate plate (81) are higher than the flood level of the inland river for twenty years.

4. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the electric gate (5) is a cast iron copper-inlaid wall-attached gate and is provided with an electromechanical integrated actuating mechanism, and the power mode of the gate is an upward-opening electric opening and closing mode.

5. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the main body (71) of the ultrasonic liquid level meter (7) is fixed at the upper end of the wall of the intercepting well pool through a fixing frame (72).

6. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the low-voltage power supply incoming line is connected into the power distribution cabinet, and then the power distribution cabinet is divided into two paths, wherein one path of the power distribution cabinet is connected with a remote terminal control system cabinet, and the other path of the power distribution cabinet is connected with equipment and is provided with a corresponding matched fuse.

7. The intercepting well with the functions of preventing backflow and safely draining waterlogging according to claim 1, which is characterized in that: the remote terminal control system, the hydraulic station and the power distribution combined cabinet (9) are provided with a sunshade canopy, an air inlet and outlet fan and a filtering device.

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