CN105317103B - With the rainwater regulating pondage system from abatement functions - Google Patents

Abstract

A rainwater regulation and storage system with self-governance function, including a water intake system, a monitoring and control system, a reservoir, a sludge collection system, a sludge discharge system, a rainwater classification utilization system, a sludge classification treatment system, and a pool bottom flushing system; The water inlet system performs the reception and closure of rainwater, and the primary filtration of runoff rainwater scum. Under the control of the monitoring and control system, the runoff rainwater enters the secondary storage tank of the reservoir after being filtered; the silt collection system collects the runoff rainwater The sedimented silt after natural sedimentation in the reservoir is collected into the mud collecting tank, and the mud is pushed into the mud well by the mud discharge system in the mud collecting tank, and then the mud is pumped out of the well by the mud pump; the bottom flushing system of the pool Under the control of the monitoring and control system, the clear water in the secondary storage tank is released to completely remove the residual silt at the bottom of the storage tank. The invention can not only quickly collect rainwater, but also maintain the quality of rainwater for a long time and store it, and can effectively utilize rainwater and carry out self-treatment of silt.

Description

Rainwater regulation and storage system with self-governance function

technical field

The invention belongs to the technical field of water treatment and utilization, in particular to the technical field of rainwater collection regulation and utilization, and relates to a rainwater storage tank technology with the function of self-management of silt.

technical background

In the field of rainwater collection and treatment, rainwater storage tank technology has been widely used. At present, the operation of rainwater storage tanks at home and abroad is mainly to reduce flood peak waterlogging and relieve the pressure of sewage treatment plants to receive sewage. Part of the rainwater is collected during the rainfall, and the collected rainwater is emptied soon after the storm, and then the sludge at the bottom of the reservoir is removed. If the stored rainwater is stored for a long time, a large amount of organic waste accumulated at the bottom of the reservoir will rot and ferment, seriously polluting the water quality, which will turn the rainwater black and smelly, and bacteria will multiply excessively. Therefore, the rainwater stored in the reservoir cannot be stored for a long time and exploit. Objectively, it is necessary to develop new technical solutions to effectively solve the problem of sludge deposition, and to separate mud and water in the state of water storage, to remove polluted rainwater garbage, to prolong the time of water storage, to improve the utilization of rainwater, and to realize the controllable collection and storage of rainwater. , release and use.

Contents of the invention

The purpose of the present invention is to provide a rainwater regulation and storage system with self-governance function which can not only collect rainwater quickly, but also maintain the quality of rainwater for a long time and store it, and can effectively utilize rainwater.

Another object of the present invention is to provide a rainwater regulation and storage system for the above-mentioned silt self-treatment.

To achieve the above object, the technical scheme of the present invention is as follows:

A rainwater regulation and storage system with self-governance function, including a water intake system, a monitoring and control system, a reservoir, a sludge collection system, a sludge discharge system, a rainwater classification utilization system, a sludge classification treatment system, and a pool bottom flushing system;

The water intake system performs the reception and closure of rainwater and the primary filtration of runoff rainwater scum. Under the control of the monitoring and control system, the runoff rainwater enters the secondary storage tank of the storage tank after being filtered;

The silt collection system collects the sedimentation silt after the runoff rainwater is left to settle naturally in the storage tank to the mud collection tank, and in the mud collection tank, the sludge is pushed into the silt well by the sludge discharge system, and then the silt is pumped out of the well by the silt pump outside;

According to the natural settlement characteristics of the supernatant and the bottom mixture in the storage tank, the rainwater classification utilization system extracts rainwater of corresponding levels and cleanliness for different water needs;

The sludge classification treatment system uses a sludge pump to use low-concentration muddy water for green belt irrigation; medium-concentration sludge is pumped into the ecological purification wetland for permeation treatment with a sludge pump, and high-concentration sludge is pumped out with a sludge pump and then dewatered Dehydration treatment.

The bottom flushing system releases the clear water in the secondary storage tank under the control of the monitoring and control system to completely remove the residual silt at the bottom of the storage tank.

Further, the water inlet system includes a water inlet culvert, a water inlet gate, a gate control system, a scum separator, a scum lifting mechanism, a rolling brush slag removal device, and a water wheel that cooperate with each other.

The water inlet system is set on the upstream of the reservoir. Under the monitoring and control of the monitoring and control system, the inlet gate is opened through the gate control system, and the runoff rainwater enters the scum isolation area from the inlet culvert through the gate, and is separated by the scum isolation machine. Larger scum is intercepted, and the scum is lifted by the scum lifting mechanism to the storage tank outside the pool; the roller brush scum removal device isolates the finer scum, and the isolated scum is transported to the outside of the pool by the water wheel lifting mechanism Dregs box.

The monitoring and control system includes the monitoring and control of the water intake system, the monitoring and control of the water storage status of the reservoir, the monitoring and control of the sludge collection system, the monitoring and control of the sludge discharge system, the monitoring and control of the rainwater classification utilization system, and the sludge classification Monitoring and control of the treatment system, monitoring and control of the bottom flushing system.

The monitoring and control system is mainly composed of ultrasonic liquid level gauge, control power supply, PLC controller, hydraulic system and so on. A pressure sensor is installed at the bottom of the inlet culvert to monitor the inlet water level and the internal pressure of the water culvert; the inlet flow measuring instrument is installed behind the inlet gate to control and adjust the running speed of the scum separator according to the size of the inlet water flow ; The ultrasonic liquid level gauge is installed on the top of the reservoir to monitor the rise and fall of the water level and control the opening and closing of the water inlet gate control system; a pressure sensor is installed on the mud scraper of the mud collection device, and the upper part of the mud scraper The pressure sensor at the upper part of the scraper monitors the pressure of the upper water, and the pressure sensor at the lower part of the scraper monitors the pressure of the oncoming silt. When the upper pressure value is close to the lower pressure value, through the control of the PLC controller, the moving speed of the mud scraping device is reduced to prevent the mud from overflowing from the upper part of the mud scraper; the mud water concentration meter is installed on the buoy of the rainwater classification utilization system, and Floating up and down with the buoy, when the concentration of muddy water exceeds the set requirements, through the control of the PLC controller, the drawing and utilization of clean water will be stopped and the use of muddy water will be used; a sludge concentration meter is installed inside the sludge discharge port to monitor the sludge concentration in real time. The concentration of the silt should be treated reasonably; the float switch is installed above the sludge collection tank, and the setting height is lower than the ground at the end of the reservoir. When the water in the reservoir is emptied, the float switch is turned on and passed through PLC. Control function, the bottom flushing gate is opened, and the residual sludge at the bottom of the pool is thoroughly cleaned.

The storage tank includes a water inlet, an auxiliary storage tank, an inspection port, a main storage tank, a corridor at the bottom of the pool, a mud collection tank, and a mud discharge outlet that cooperate with each other.

The auxiliary storage tank is set on the upper part of the storage tank, next to the water inlet. The bottom of the auxiliary storage tank is set with a certain slope to prevent the accumulation of garbage and facilitate flushing. When the water enters, the auxiliary storage tank is first filled, and the subsequent rainwater overflows to the main storage tank; The corridor at the bottom of the pool is divided into sections, and the corridor at the bottom of the pool is set with a certain slope to effectively clean up the silt and reduce the deposition of silt; The sludge discharge device pushes the sludge to the sludge outlet, and the sludge is discharged out of the pool by the sludge discharge system.

The sludge collection system includes a driving system, a traction rope, and a sludge collection device that cooperate with each other; driven by the drive system, the sludge collection device is pulled through the traction rope, and the sludge deposited at the bottom of the pool is collected without disturbance in the state of water storage. to the mud collection area;

The rainwater classification utilization system is composed of a buoy guide column, a buoy, a clean water pump 20 and a mud pump that cooperate with each other; Under the buoy, the clean water pump draws the clear water from the middle and upper part of the reservoir; the mud pump is installed at the lower part of the reservoir to draw turbid rainwater for irrigation and other purposes, and at the same time, it will bring out part of the silt, which can purify the water quality to a certain extent.

The sludge discharge system includes a sludge discharge device, a mud-water separation valve and a sludge pump unit that cooperate with each other. The sludge discharge device pushes the sludge in the sludge collection area to the sludge-water separation valve. It is separated from the clean water, and the silt is discharged out of the pool, and the rainwater is retained for use.

The sludge classification treatment system consists of a sludge dewatering machine and a sludge ecological purification wetland, which respectively dehydrate high-concentration sludge, medium-concentration sludge is infiltrated through the ecological purification wetland, and low-concentration mud water is supplied to the green belt for irrigation.

The bottom flushing system cleans the main storage tank after the pool water is emptied. The flushing gate is installed on the water storage wall of the auxiliary storage tank, and a water hole is reserved under the water storage wall. The size of the water hole is the same as that of the flushing gate. The water opening is consistent, and the flushing gate and the water storage wall are sealed with silica gel; when the system is running, the water level sensor of the monitoring and control system detects the water level in the pool. When the rainwater in the pool is emptied, the monitoring and control system controls the opening of the flushing gate. When the gate releases water, the potential energy of the water in the auxiliary storage tank is converted into kinetic energy of the water and rushes to the bottom of the main storage tank to wash the residual mud at the bottom of the tank to the sludge collection tank.

Owing to adopting above-mentioned technical scheme, the present invention has following advantage and beneficial effect:

Not only can it realize rapid storage of rainwater, prevent floods, but also pre-treat runoff rainwater garbage to reduce water pollution;

In the state of water storage, the sludge at the bottom of the pool can be cleaned, the pollution sources that cause water quality damage can be eliminated, and the rainwater can be retained for a long time to realize the utilization of graded rainwater with controllable discharge;

Sludge classification treatment and purification save energy and reduce operating costs;

Due to the realization of the above functions, the sewage pressure of the pipe network and the sewage treatment plant during the rainstorm can be greatly reduced;

Since the reservoir system has the characteristics of a sponge, it can quickly absorb water during rainfall, and can buffer storage and discharge for a long time to alleviate the water crisis in the dry season. Therefore, it is of great significance to improve the city's ability to resist natural disasters.

Description of drawings

Fig. 1 is a schematic diagram of the principle structure of the present invention.

Fig. 2 is a schematic top view of an embodiment of the rainwater regulation and storage system of the present invention.

Fig. 3 is a schematic diagram of the composition of the water inlet system according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a reservoir according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a sludge collecting system according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a rainwater classification utilization system according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a mud discharge system according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of a pool bottom flushing system according to an embodiment of the present invention.

Fig. 9 is a structural diagram of the implementation of the sludge cleaning system according to the embodiment of the present invention.

Fig. 10 is a structural diagram of the implementation of the mud discharge system according to the embodiment of the present invention.

Numbers in Figures 1 to 10: water inlet culvert 1, water inlet gate 2, gate control system 3, scum separator 4, scum lifting mechanism 5, roller brush slag removal device 6, water wheel 7, water inlet 8, Auxiliary storage tank 9, inspection port 10, main storage tank 11, tank bottom corridor 12, mud collection tank 13, mud discharge port 14, drive system 15, traction rope 16, sludge collection device 17, buoy guide column 18, buoy 19. Clean water pump 20, mud water pump 21, sludge discharge device 22, mud water separation valve 23, sludge pump unit 24, flushing gate 25, water inlet system 61, monitoring and control system 62, reservoir 63, sludge collection system 64. Rainwater classification utilization system 65, sludge discharge system 66, sludge classification treatment system 67, and pool bottom flushing system 68.

detailed description

The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

Fig. 1 is a schematic structural diagram of the principle structure of a rainwater regulation and storage system with self-governance function proposed by the present invention, and Fig. 2 is a top view schematic diagram of an embodiment of the rainwater regulation and storage system of the present invention, which includes the following subsystems that cooperate with each other: water intake system 61, Monitoring and control system 62 , reservoir 63 , sludge collection system 64 , sludge discharge system 65 , rainwater graded utilization system 66 , sludge graded treatment system 67 , and pool bottom flushing system 68 . External rainwater enters from the water inlet system 61, and the rainwater scum is filtered and isolated. The filtered rainwater enters the storage tank 63, and the solid waste mixed in the rainwater is naturally precipitated into sludge in the storage tank 63, and then collected by the sludge collection system 64. Collect the settled silt to the sludge collection tank at the end of the reservoir, discharge the sludge to the sludge collection well by the sludge discharge system 65, and pump it out of the well by the sludge pump according to the different sludge concentration for corresponding required treatment; the rainwater classification utilization system 66 will draw rainwater with different cleanliness according to the height of the water layer; after the rainwater in the pool is emptied, the residual silt at the bottom of the pool will be thoroughly washed by the pool bottom flushing system 68. The monitoring and control system 62 monitors the running status and action execution of other subsystems.

The rainwater regulation and storage system with self-governance function of the present invention can automatically realize the collection of rainwater, the filtration and discharge of runoff rainwater scum, the collection and discharge of sedimentation sludge at the bottom of the pool, the graded extraction and utilization of stored rainwater, the graded treatment of sludge, And cleaning of the bottom of the reservoir, etc.

The water inlet system 61 performs the reception and closure of rainwater and the primary filtration of runoff rainwater scum, including water inlet culverts, water inlet gates, gate control systems, scum separators, scum lifting mechanisms, and rolling brush scum removal devices; Under the control of the monitoring and control system 62, the water inlet gate is opened, and the runoff rainwater flows through the water inlet culvert through the scum separator and the roller brush slag removal device, and enters the secondary storage tank of the reservoir 63 after being filtered, and the secondary storage tank is full. Subsequent rainwater enters the main storage tank.

The water inlet system is set up upstream of the reservoir to control the amount of water inflow and isolate and remove rainwater scum. The scum is lifted to the storage tank outside the pool by the scum lifting mechanism, and the roller brush scum removal device 6 isolates the finer scum, and the isolated scum is transported to the scum box outside the pool by the water wheel lifting mechanism.

The runoff rainwater is left to settle naturally in the reservoir, and the sedimented silt is collected by the silt collection system 64 to the mud collection tank, where the mud discharge system 66 pushes the silt into the silt well, and then the silt is pumped out of the well by the silt pump .

After the rainwater in the reservoir is emptied, under the control of the monitoring and control system 62, the flushing gate of the flushing system 68 at the bottom of the pond is opened to release the clear water in the auxiliary reservoir to thoroughly remove the residual silt at the bottom of the reservoir.

The monitoring and control system 62 is the control center of the rainwater regulation and storage system. The start and stop of other systems are controlled by the monitoring and control system 62, and the status of each system is displayed in real time. When water is entering, the monitoring and control system 62 issues instructions to the gate control system 3 controlling the water intake system 61 to open the intake gate 2 and at the same time control the operation of the scum separator 4, and the runoff rainwater enters the regulation and storage system through the intake culvert 1. The rainwater enters the reservoir 63 after being filtered; the runoff rainwater in the reservoir can be left to settle, and the silt collection system 64 gathers the deposited silt to the mud collection tank at the end of the reservoir. In the mud collection tank, the sludge is drained The system 66 pushes the sludge to the sludge discharge well, and the sludge classification treatment system 67 draws out the sludge and performs classification treatment. The rainwater graded utilization system 65 draws the stored rainwater in grades in order to realize the utilization of different water qualities; when the rainwater stored at the bottom of the pool is emptied, the flushing gate 25 of the bottom flushing system 68 is opened under the control of PLC to release the secondary storage. The clear water in the pond 9 thoroughly cleans the residual silt at the bottom of the main reservoir 11.

The composition of the water intake system 61 is shown in Figure 3, including a water intake culvert 1, a water intake gate 2, a gate control system 3, a scum separator 4, a scum lifting mechanism 5, a rolling brush slag removal device 6, a water wheel 7; the gate control system 3 controls the opening or closing of the intake gate 2. After the intake gate 2 is opened, rainwater enters from the intake culvert 1, and the floating garbage in the rainwater is filtered by the scum separator 4, and then the scum lifting mechanism 5. The scum is lifted to the external scum box, and the smaller floating garbage in the rainwater is further filtered by the roller brush scum removal device 6, and the filtered rainwater impacts the water wheel 7, and the rotation of the water wheel drives the roller brush scum removal device 6 to operate.

The water inlet system is set up upstream of the reservoir. When water is inflow, the gate control system 3 controls the opening of the water inlet gate 2, and the rainwater enters the scum isolation area from the water inlet culvert 1 through the gate 2, and the larger scum isolation machine will The scum is intercepted, and the scum is lifted by the scum lifting mechanism to the storage tank outside the pool. The roller brush scum removal device 6 isolates the finer scum, and the filtered rainwater directly rushes to the water wheel mechanism to drive the water wheel to rotate. The wheel drives the water wheel lifting mechanism to transport the isolated scum to the scum box outside the pool.

The monitoring and control system 62 includes the monitoring and control of the water intake system, the monitoring and control of the water storage status of the reservoir, the monitoring and control of the sludge collection system, the monitoring and control of the sludge discharge system, the monitoring and control of the rainwater classification utilization system, and the sludge collection system. Monitoring and control of graded treatment system, monitoring and control of pool bottom flushing system. Monitor and control the water level of the reservoir and the opening of each gate.

The monitoring and control system 62 includes an ultrasonic liquid level gauge, a control power supply, a PLC controller, a hydraulic system, etc. that cooperate with each other. A pressure sensor is installed at the bottom of the inlet culvert 1 to monitor the inlet water level and the internal pressure of the water culvert; the inlet water flow measuring instrument is installed behind the inlet gate 2 to control and adjust the scum separator 4 according to the size of the inlet water flow operating speed; the ultrasonic liquid level gauge is installed on the top of the reservoir to monitor the rise and fall of the water level, and to control the opening and closing of the water intake gate control system 3; a pressure sensor is installed on the mud scraper of the mud collection device, The pressure sensor on the upper part of the scraper monitors the pressure of the upper water, and the pressure sensor on the lower part of the scraper monitors the pressure of the oncoming silt. When the upper pressure value is close to the lower pressure value, through the control of the PLC controller, the moving speed of the mud scraping device is reduced to prevent the mud from overflowing from the upper part of the mud scraper; the mud water concentration meter is installed on the buoy of the rainwater classification utilization system, and Floating up and down with the buoy, when the concentration of muddy water exceeds the set requirements, through the control of the PLC controller, the drawing and utilization of clean water will be stopped and the use of muddy water will be used; a sludge concentration meter is installed inside the sludge discharge port to monitor the sludge concentration in real time. The concentration of the silt can be treated reasonably; the float switch is installed above the sludge collection tank, and the setting height is lower than the ground at the end of the reservoir. When the water in the reservoir is emptied, the float switch is turned on, through the PLC. Control function, the bottom flushing gate is opened, and the residual sludge at the bottom of the pool is thoroughly cleaned.

The reservoir 63 includes a water inlet 8, an auxiliary reservoir 9, an inspection port 10, a main reservoir 11, a corridor 12 at the bottom of the pond, a mud collecting tank 13, and a mud outlet 14, as shown in FIG. 4 . The auxiliary storage tank 9 is arranged on the upper part of the storage tank and connected to the water inlet 8, the main storage tank 11 is arranged under the auxiliary storage tank 9, and the corridor 12 at the bottom of the pool is arranged in partitions and leads to the mud collection tank 13, and the mud collection tank 13 is connected The mud discharge port 14 and the inspection port 10 are arranged above the auxiliary water storage tank 9 for visually observing the operation status of the water inlet and flushing equipment.

The secondary storage tank 9 is arranged on the upper part of the main storage tank 11. On the one hand, the potential energy of the rainwater stored in the secondary storage tank is increased, and when the water storage is released, the ability to wash away the silt is increased; The sealing performance is affected by corrosion and pollution; an inspection port is opened above the flushing gate 25 on the upper part of the reservoir, which is convenient for installation, debugging, inspection and maintenance of the equipment.

The auxiliary water storage tank 9 is next to the water inlet 8, and the bottom surface of the auxiliary water storage tank 9 is provided with a certain slope to prevent garbage from accumulating and is beneficial to flushing. The corridor at the bottom of the pool 12 is set in partitions, and the corridor at the bottom of the pool 12 is provided with a certain slope to effectively clean up the silt and reduce the deposition of silt; In the tank, the sludge is pushed to the sludge outlet 14 through the sludge collection system 64, and the sludge is discharged out of the pool by the sludge discharge system. The inspection port 10 is arranged on the top of the water storage wall of the secondary storage tank 9, the working condition of the flushing gate can be directly observed through the inspection port 10, and the staff can go in for inspection and maintenance through the inspection port 10. A ramp structure is arranged between the secondary storage tank 9 and the main storage tank 11 to increase the water flow velocity after falling into the water.

The sludge collection system 64 includes a drive system 15, a traction rope 16, and a sludge collection device 17 that cooperate with each other; the drive system 15 is connected with the traction rope 16, the traction rope 16 is connected with the sludge collection device 17, and the traction rope 16 pulls the sludge collection device 17 The sludge is collected into the sludge collection tank by the scraper on the sludge collection device 17.

Driven by the drive system 15, the sludge collection device 17 is driven by the traction rope 16 to gather and accumulate the sludge deposited at the bottom of the pool to the sludge collection area without disturbance under the water storage state;

The rainwater classification utilization system 65 includes a buoy guide column 18, a buoy 19, a clean water pump 20 and a mud pump 21 that cooperate with each other. As shown in FIG. Ups and downs, keep the clear water pump 20 to draw the clear water of higher water level. Sludge pump 21 draws turbid rainwater at a lower position.

The buoy guide column 18 is fixed on the foundation of the reservoir, and the buoyancy of the buoyancy of the buoyancy of the water by the buoy 19 slides up and down along the buoy guide column 18, and the clean water pump 20 is fixedly connected below the buoy 19, so that the clean water pump 20 draws the clear water in the upper part of the reservoir; The water pump 21 is installed in the lower part of the reservoir to draw relatively turbid rainwater for irrigation and other purposes, and at the same time, part of the silt will be brought out to purify the water quality to a certain extent.

The sludge discharge system 66 includes a sludge discharge device 22, a mud-water separation valve 23 and a sludge pump unit 24 that cooperate with each other. The sludge discharge device 22 pushes the sludge in the mud collection area to the mud-water separation valve 23, as shown in Figure 7 As shown, the sludge discharge device 22 discharges the sludge to the valve port of the mud-water separation valve 23, and then the sludge is discharged to the sludge well by the mud-water separation valve 23.

In the state of water storage, the mud-water separation valve 23 separates the silt and clear water, and discharges the silt out of the pool, retaining rainwater for use;

The sludge classification treatment system 67 is composed of a sludge dehydrator and a sludge ecological purification wetland, which can realize sludge treatment with different requirements.

The bottom flushing system 68 cleans the main storage tank 11 after the pool water is emptied. As shown in FIG. The hole, the size of the water hole is consistent with the water opening of the flushing gate, and the silica gel seal is used between the flushing gate and the water storage wall, and the flushing gate and the water storage wall together form a secondary storage tank; when the system is running, the monitoring and control system 62 The water level sensor detects the water level in the pool. After the rainwater in the pool is emptied, the monitoring and control system 62 controls the flushing gate to open and release the water. The residual sludge at the bottom of the pool is washed to the sludge collection tank.

Please refer to Figure 9 and Figure 10, the structural sequence from the water inlet to the discharge of muddy water is water inlet culvert 1, water inlet gate 2, gate control system 3, scum separator 4, scum lifting mechanism 5, roller brush removal Slag device 6, water wheel 7, auxiliary storage tank 9, flushing gate 25, main storage tank 11, sludge collection device 17, buoy guide column 18, buoy 19, clean water pump 20, mud water pump 21, sludge discharge device 22 , mud-water separation valve 23, sludge pump unit 24.

The rainwater passes through the inlet gate 2 from the inlet culvert 1, and the scum separator 4 initially filters the incoming rainwater, and then is further filtered by the rolling brush slag removal device 6, and then rushes to the water wheel mechanism to drive the water wheel to rotate, and the water wheel drives the water wheel The lifting mechanism transports the isolated scum to the scum box outside the pool, and the filtered rainwater further enters the secondary storage tank 9, and after the secondary storage tank 9 is filled with rainwater, the follow-up rainwater overflows to the main storage tank through the top of the wall of the flushing gate 25 11. The sludge deposited at the bottom of the pool is collected into the sludge collection tank by the sludge collection device 17, and is pushed to the mud-water separation valve 23 by the sludge discharge device 22 in the sludge collection tank, and the sludge is discharged to the mud-collection well through the mud-water separation valve 23 , and then the sludge is pumped out of the well by the sludge pump group 24, and the sludge is classified and treated according to the difference in the concentration of the slurry and the treatment requirements. In the reservoir, the buoy 19 drags the clean water pump 20 to float up and down with the water level along the buoy guide column 18, and the clean water pump 20 draws clean water at a higher position below the water surface; the mud water pump 21 is placed at the bottom of the pool to draw relatively turbid muddy water.

The invention can realize storage and utilization of rainwater for a long time to maintain water quality.

The above description of the embodiments is for those of ordinary skill in the art to understand and apply the present invention. It is obvious that those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described here to other embodiments without creative efforts. Therefore, the present invention is not limited to the embodiments herein. Improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should fall within the protection scope of the present invention.

Claims (10)

1. A rainwater regulation and storage system with self-governance function, characterized in that it includes a water inlet system, a monitoring and control system, a water storage tank, a sludge collection system, a sludge discharge system, a rainwater classification utilization system, a sludge classification treatment system, Bottom flushing system; The water intake system performs the reception and closure of rainwater and the primary filtration of runoff rainwater scum. Under the control of the monitoring and control system, the runoff rainwater enters the secondary storage tank of the storage tank after being filtered; The silt collection system collects the sedimentation silt after the runoff rainwater is left to settle naturally in the storage tank to the mud collection tank, and in the mud collection tank, the sludge is pushed into the silt well by the sludge discharge system, and then the silt is pumped out of the well by the silt pump outside; According to the natural settlement characteristics of the supernatant and the bottom mixture in the storage tank, the rainwater classification utilization system extracts rainwater of corresponding levels and cleanliness for different water needs; The sludge classification treatment system uses a sludge pump to use low-concentration muddy water for green belt irrigation; medium-concentration sludge is pumped into the ecological purification wetland for permeation treatment with a sludge pump, and high-concentration sludge is pumped out with a sludge pump and then dewatered Dehydration treatment; The bottom flushing system releases the clear water in the secondary storage tank under the control of the monitoring and control system, and thoroughly removes the residual silt at the bottom of the storage tank; The water inlet system is arranged upstream of the reservoir, and performs two-stage scum isolation and removal of rainwater entering the reservoir; it includes an inlet culvert (1), an inlet gate (2), and a gate control gate that cooperate with each other. System (3), scum separator (4), scum lifting mechanism (5), rolling brush slag removal device (6), water wheel (7); gate control system (3) controls opening or closing of the water inlet gate ( 2), after the inlet gate (2) is opened, rainwater enters from the inlet culvert (1), and the floating garbage in the rainwater is filtered by the scum separator (4), and then the scum is lifted by the scum lifting mechanism (5) The smaller floating rubbish in the external scum box and rainwater is further filtered by the roller brush scum removal device (6), and the filtered rainwater impacts the water wheel (7), and the rotation of the water wheel drives the roller brush slag removal device (6) to operate. 2. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the rolling brush slag removal device (6) is used to isolate the finer scum; the scum lifting mechanism (5 ) is driven by a water wheel mechanism without additional external power. 3. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the monitoring and control system includes an ultrasonic liquid level meter, a control power supply, a PLC controller, and a hydraulic system that cooperate with each other to control other The system starts and stops and displays the status of each system in real time. 4. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the storage tank includes a water inlet (8), a secondary storage tank (9), and an inspection port (10) that cooperate with each other , the main storage tank (11), the corridor at the bottom of the pool (12), the mud collecting tank (13), and the mud discharge port (14); the auxiliary storage tank (9) is arranged on the upper part of the storage tank to improve The potential energy of rainwater is also connected to the water inlet (8); the main storage tank (11) is arranged under the auxiliary storage tank (9), and the corridor (12) at the bottom of the pool is arranged in partitions and leads to the mud collection tank (13), mud collection The groove (13) communicates with the mud discharge port (14); the inspection port (10) is arranged above the auxiliary water storage tank (9), and is used for visually observing the operation status of water inlet and flushing equipment. 5. The rainwater regulation and storage system with self-governance function according to claim 4, characterized in that: the bottom surface of the secondary storage tank (9) has a slope to prevent accumulation of garbage and facilitate flushing. 6. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the sludge collection system (64) includes a driving system (15), a traction rope (16), a sludge collection Device (17); drive system (15) connects traction rope (16), and traction rope (16) is connected with sludge collection device (17), and traction rope (16) pulls sludge collection device (17) by the The mud scraper collects the sludge to the sump. 7. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the rainwater graded utilization system (65) includes buoy guide columns (18), buoys (19) and clean water pumps that cooperate with each other (20) and mud water pump (21); the clean water pump (20) is fixedly connected below the buoy (19), and the buoy (19) floats and sinks along with the rise and fall of the water surface along the buoy guide post (18), and the clean water pump (20) draws Relatively clear rainwater, and the muddy water pump (21) is arranged at the bottom of the reservoir to draw relatively turbid muddy water. 8. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the sludge discharge system includes a sludge discharge device (22), a mud-water separation valve (23) and a sludge discharge system that cooperate with each other The pump unit (24) and the sludge discharge device (22) are equipped with a pressure sensing device to monitor the height of the pushed sludge, and the speed of pushing the sludge is controlled through the monitoring and control system (62) to avoid the sludge from being blown from the scraper due to excessive speed. The upper part overflows; the mud-water separation valve (23) has the function of automatically adjusting the size of the valve port, and has the function of automatically releasing the sludge blockage. 9. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: the sludge classification treatment system is composed of a sludge dehydrator and a sludge ecological purification wetland to realize sludge treatment with different requirements. 10. The rainwater regulation and storage system with self-governance function according to claim 1, characterized in that: an inspection port is opened above the flushing gate (25) on the upper part of the reservoir to facilitate installation, debugging, inspection and maintenance of equipment .