CN109797828B - Integrated device for diversion treatment of initial rainwater on pavement and working method - Google Patents

Abstract

The invention relates to an integrated device for diversion and treatment of initial rainwater on pavement, which includes a first water inlet pipe and a second water inlet pipe. The water inlet of the first water inlet pipe is connected with the road drainage outlet. The water outlet of the first water inlet pipe It is connected with the water inlet of the four-way valve, the first water outlet of the four-way valve is connected with the water inlet of the second water inlet pipe, and the water outlet of the second water inlet pipe is connected with the water inlet of the plant ecological ditch, The second water outlet of the four-way valve is connected with the water inlet of the longitudinally arranged drainage pipe. A first floating ball is provided below the second water outlet of the four-way valve. The first floating ball passes through the steel strand. and the pulley is connected to a second floating ball, the second floating ball is placed in the water storage chamber, and the water outlet of the plant ecological ditch is connected with the water inlet of the water storage chamber; the invention also relates to an initial rainwater diversion on a road surface Working methods for dealing with integrated devices. The invention not only has a simple and reasonable structural design, but also effectively solves the problem of initial rainwater diversion treatment.

Description

Integrated device and working method for initial rainwater diversion treatment on pavement

Technical field

The invention relates to an integrated device and working method for initial rainwater diversion treatment on pavement.

Background technique

The initial rainwater diversion system is mainly used in rainwater collection and utilization systems. During rainfall, the peak concentration of pollutants in rainwater runoff often appears in the early stage of runoff. The first 15 minutes of rainwater are generally more polluted, so the initial rainwater needs to be diverted. The initial runoff volume is large. If all the initial rainwater after diversion is diverted to the sewage pipe network without treatment, it will not only greatly increase the investment in the sewage pipe system, but also bring an extraordinary water load impact to the sewage treatment plant, affecting its treatment effect. , so an initial rainwater treatment system is required to process the initial rainwater after diversion.

The existing initial rainwater diversion device has the following problems: rainwater diversion and waste flow require manual control; the structure is complex and is not conducive to installation and use; there is no supporting initial rainwater treatment system.

Contents of the invention

In view of the shortcomings of the existing technology, the technical problem to be solved by the present invention is to provide an integrated device and working method for initial rainwater diversion treatment on pavement, which not only has a reasonable structural design, but is also efficient and convenient.

In order to solve the above technical problems, the technical solution of the present invention is: an integrated device for road surface initial rainwater diversion treatment, including a first water inlet pipe and a second water inlet pipe arranged laterally. The water inlet of the first water inlet pipe is connected with the road surface drainage. The water outlet of the first water inlet pipe is connected with the water inlet of the four-way valve, the first water outlet of the four-way valve is connected with the water inlet of the second water inlet pipe, and the second water inlet pipe The water outlet of the four-way valve is connected to the water inlet of the plant ecological ditch, the second water outlet of the four-way valve is connected to the water inlet of the longitudinally arranged drainage pipe, and a first water outlet is provided below the second water outlet of the four-way valve. Floating ball, the first floating ball is connected to the second floating ball through steel strands and pulleys, the second floating ball is placed in the water storage chamber, the water storage chamber is placed below the plant ecological ditch, the The water outlet of the plant ecological ditch is connected with the water inlet of the water storage room.

Further, the upper part of the water storage chamber is provided with an overflow pipe, the bottom of the water storage chamber is provided with a vent pipe, the vent pipe is provided with a valve, and the overflow pipe and the vent pipe are both connected to the Drainage pipes are connected, and a water pump is provided at the bottom of the water storage chamber.

Further, the water inlet of the four-way valve is arranged transversely with the first water outlet, and the second water outlet of the four-way valve is arranged longitudinally downward.

Further, the top opening of the second water inlet pipe is connected to an inverted U-shaped conduit. The steel strand is connected by a pulley and passes through the four-way valve, conduit, and plant ecological ditch before entering the water storage room and the second water inlet pipe. Floats are connected.

Further, the gravity of the second float is greater than the gravity of the first float, and the sum of the water pressure experienced by the first float at the second outlet of the four-way valve and the gravity of the first float is less than The second floating ball exerts a pulling force on the first floating ball, and the average density of the second floating ball is smaller than the density of the water in the water storage chamber.

Further, a rubber ring is provided around the first floating ball, and the outer diameter of the first floating ball is larger than the inner diameter of the second water outlet of the four-way valve.

Further, aquatic plants are planted in the upper part of the plant ecological ditch, and the inner cavity of the plant ecological ditch is provided with at least one row of spaced water barriers. The water barriers separate the plant ecological ditch into several sequentially arranged ones. A baffle zone, an overflow hole is provided in the upper part between the baffle zone and an adjacent baffle zone, and a transmission hole is provided in a lower part between the baffle zone and another adjacent baffle zone, The water inlet of the plant ecological ditch is placed in the first deflection area, and the water outlet of the plant ecological ditch is placed in the last deflection area.

Further, a mounting hole through which a steel strand passes is provided on the bottom plate between the plant ecological ditch and the water storage chamber, and a rubber ring is provided at the mounting hole.

Further, a filter screen is provided at the water inlet of the first water inlet pipe.

A working method of an integrated device for initial rainwater diversion and treatment on pavement, including the integrated device for initial rainwater diversion and treatment on pavement described in any one of the above, including the following steps:

S1: When no water enters, the first float blocks the second water outlet of the four-way valve under the pull of the second float;

S2: When water enters, the initial rainwater enters the plant ecological ditch through the road drainage outlet, the first water inlet pipe, and the second water inlet pipe. The initial rainwater enters the water storage chamber through the outlet of the plant ecological ditch. The water level in the room rises to a predetermined liquid level, and the second float floats upward due to the buoyancy of the water, thereby driving the first float down to open the second outlet of the four-way valve, so that later rainwater flows through the four-way valve. The first outlet of the one-way valve enters the plant ecological ditch, water storage chamber, and overflow pipe and flows into the drainage pipe and enters the sewage pipe network. Later, the rainwater enters the drainage pipe through the second outlet of the four-way valve and is discharged into the sewage pipe network. ;

S3: After the water inflow stops, the water in the water storage chamber is pumped out for reuse. When the water level in the water storage chamber drops to the predetermined liquid level, the second float loses its buoyancy and descends under the action of gravity. The first float blocks the second water outlet of the four-way valve under the pull of the second float, and the entire device returns to the initial state;

S4: During cleaning, the water in the water storage chamber is discharged through the vent pipe.

Compared with the existing technology, the present invention has the following beneficial effects: the present invention not only has a simple and reasonable structural design, is easy to install and manage, but also effectively solves the problem of diversion treatment of initial rainwater, without the need for manual separation of the initial and later stages of rainwater, and is efficient and convenient. have a broad vision of application.

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

Description of the drawings

Figure 1 is a schematic side view of the structure of an embodiment of the present invention.

Figure 2 is a schematic top view of the structure of an embodiment of the present invention.

In the picture: 1-first water inlet pipe, 2-second water inlet pipe, 3-four-way valve, 4-plant ecological ditch, 401-baffle, 402-baffle area, 403-transmission hole, 404-overflow Hole, 5-drainage pipe, 6-first float ball, 7-steel strand, 8-pulley, 9-second float ball, 10-water storage chamber, 11-overflow pipe, 12-vent pipe, 13 -Valve, 14-water pump, 15-conduit, 16-mounting hole.

Detailed ways

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, embodiments are given below and described in detail with reference to the accompanying drawings.

As shown in Figures 1 and 2, an integrated device for diversion and treatment of initial rainwater on road surfaces includes a first water inlet pipe 1 and a second water inlet pipe 2 arranged laterally. The water inlet of the first water inlet pipe 1 is connected to the road drainage outlet. The water outlet of the first water inlet pipe 1 is connected with the water inlet of the four-way valve 3. The first water outlet of the four-way valve 3 is connected with the water inlet of the second water inlet pipe 2. The second water inlet pipe 1 is connected with the water inlet of the four-way valve 3. The water outlet of the water inlet pipe 2 is connected with the water inlet of the plant ecological ditch 4, the second water outlet of the four-way valve 3 is connected with the water inlet of the longitudinally arranged drainage pipe 5, and the second water outlet of the four-way valve 3 A first floating ball 6 is provided below the water outlet. The first floating ball 6 is connected to the second floating ball 9 through the steel strand 7 and the pulley 8. The second floating ball 9 is placed in the water storage chamber 10. The water storage chamber 10 is placed below the plant ecological ditch 4. The water outlet of the plant ecological ditch 4 is connected with the water inlet of the water storage chamber 10. The water outlet of the second water inlet pipe 2 is placed in the plant ecological ditch. above 4.

In the embodiment of the present invention, an overflow pipe 11 is provided at the upper part of the water storage chamber 10, a vent pipe 12 is provided at the bottom of the water storage chamber 10, and a valve 13 is provided on the vent pipe 12, so The overflow pipe 11 and the vent pipe 12 are both connected to the drainage pipe 5, and a water pump 14 is provided at the bottom of the water storage chamber 10; during cleaning, the valve 13 is opened, and the water in the water storage chamber 10 passes through The vent pipe 12 is discharged.

In the embodiment of the present invention, the water inlet and the first water outlet of the four-way valve 3 are arranged transversely, and the second water outlet of the four-way valve 3 is arranged longitudinally downward.

In the embodiment of the present invention, the top opening of the second water inlet pipe 2 is connected to the inverted U-shaped conduit 15, and the steel strand 7 is connected by the pulley 8 and passes through the four-way valve 3, the conduit 15, and the plant. The ecological ditch 4 enters the water storage chamber 10 and is connected to the second float 9; one end of the conduit 15 is connected with the top opening of the second water inlet pipe 2, and the other end of the conduit 15 extends into the plant ecological ditch 4 and Extended to the water storage chamber 10, the conduit 15 is not connected to the plant ecological ditch 4, but is connected to the water storage chamber 10. The conduit 15 plays the role of guidance and protection. Of course, the conduit 15 can also be It does not extend into the plant ecological ditch 4 and the water storage chamber 10. It depends on the actual situation and is not limited to this.

In the embodiment of the present invention, the gravity of the second float 9 is greater than the gravity of the first float 6, and the pressure of the water received by the first float 6 at the second outlet of the four-way valve 3 is the same as that of the first float 6. The sum of the gravity of one float 6 is less than the pulling force of the second float 9 on the first float 6, and the average density of the second float 9 is less than the density of the water in the water storage chamber 10; thus, when no water enters At this time, the first float 6 can be pulled by the second float 9 to block the second water outlet of the four-way valve 3, so that when the water level in the water storage chamber 10 rises to the predetermined liquid level, the The second floating ball 9 is in contact with the water. The second floating ball 9 can rise upward under the action of the buoyancy of the water. The first floating ball 6 can fall under the action of the water pressure and its own weight and open the four-way. The second outlet of valve 3.

In the embodiment of the present invention, a rubber ring is provided around the first floating ball 6. The outer diameter of the first floating ball 6 is larger than the inner diameter of the second water outlet of the four-way valve 3. The rubber ring reaches The action of water prevents the first float 6 from being pulled into the conduit 15 by the second float 9. The outer diameter of the first float 6 is smaller than the inner diameter of the drainage pipe 5. The outer diameter of the first float 6 is the same as the inner diameter of the drain pipe 5. The difference in the inner diameter of the drainage pipe 5 shall be subject to the convenience of drainage. Of course, other baffles may also be provided to limit the position of the first floating ball 6, depending on the actual situation and is not limited to this.

In the embodiment of the present invention, aquatic plants are planted in the upper part of the plant ecology ditch 4, and the inner cavity of the plant ecology ditch 4 is provided with at least one row of spaced-apart water baffles 401. The water baffles 401 separate the plant ecology. The groove 4 is divided into several baffle areas 402 arranged in sequence. An overflow hole 404 is provided in the upper part between the baffle area 402 and an adjacent baffle area 402. The baffle area 402 is connected to an adjacent baffle area 402. A transmission hole 403 is provided in the lower part between the other baffle areas 402. The water inlet of the plant ecological ditch 4 is placed in the first baffle area 402, and the water outlet of the plant ecological ditch 4 is placed in the last one. Baffle area 402; multiple rows of the baffle areas 402 can be arranged side by side; early rainwater is deflected up and down in several of the baffle areas 402 arranged in sequence, and the rainwater is extended by the baffle mode of the multi-level baffle areas 402 The residence time of runoff in the plant ecological ditch 4 enhances the biological treatment effect of the plant ecological ditch 4 and realizes the preliminary treatment of rainwater. It not only greatly reduces the investment in the later sewage pipe network, but also brings extraordinary effects to the sewage treatment plant through separation reduction. water load impact.

In the embodiment of the present invention, the bottom plate between the plant ecological ditch 4 and the water storage chamber 10 is provided with a mounting hole 16 for the steel strand 7 to pass through, and a rubber ring is provided at the mounting hole 16; The rubber ring acts as a water stop, the mounting hole 16 can only allow the steel strand 7 to move up and down, and the bottom plate between the plant ecological ditch 4 and the water storage chamber 10 blocks the second floating ball 9 .

In the embodiment of the present invention, a filter screen is provided at the water inlet of the first water inlet pipe 1 to perform preliminary filtering of early rainwater.

In the embodiment of the present invention, the rising height of the second floating ball 9 is the liquid level converted from the initial rainwater treatment volume to ensure that the water volume in the upper plant ecological ditch 4 is the same as the initial rainwater treatment volume.

In an embodiment of the present invention, a working method of an integrated device for diversion and treatment of initial rainwater on pavement includes the integrated device for diversion and treatment of initial rainwater on pavement according to any one of the above, and includes the following steps:

S1: When no water enters, the first float 6 blocks the second water outlet of the four-way valve 3 under the pull of the second float 9;

S2: When water enters, initial rainwater enters the plant ecological ditch 4 through the road drainage outlet, the first water inlet pipe 1, and the second water inlet pipe 2, and the initial rainwater enters the water storage chamber 10 through the outlet of the plant ecological ditch 4, When the water level in the water storage chamber 10 rises to a predetermined liquid level, the second float 9 floats upward due to the buoyancy of the water, thereby driving the first float 6 to descend and open the second outlet of the four-way valve 3. The water outlet, so that the later rainwater part enters the plant ecological ditch 4, the water storage chamber 10, and the overflow pipe 11 through the first outlet of the four-way valve 3 and overflows into the drainage pipe 5 and enters the sewage pipe network, and the later rainwater part passes through the four-way valve 3. The second water outlet of the valve 3 enters the drainage pipe 5 and is discharged into the sewage pipe network;

S3: After the water inflow stops, the water in the water storage chamber 10 is pumped out by the water pump 14 for reuse. When the water level in the water storage chamber 10 drops to the predetermined liquid level, the second float ball 9 loses its buoyancy and floats. Descending under the action of gravity, the first float 6 blocks the second water outlet of the four-way valve 3 under the pull of the second float 9, and the entire device returns to the initial state;

S4: During cleaning, the water in the water storage chamber 10 is discharged through the vent pipe 12 .

The terms used to express positional relationships or shapes used in any of the technical solutions disclosed above have meanings that include states or shapes that are similar, similar or close to them, unless otherwise stated.

Any component provided by the present invention can be assembled from multiple individual components, or it can be an individual component manufactured by an integrated forming process.

The above embodiments are only used to illustrate the technical solutions of the present invention but not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that specific implementations of the present invention can still be carried out. Modification or equivalent replacement of some technical features without departing from the spirit of the technical solution of the present invention shall be included in the scope of the technical solution claimed by the present invention.

Claims (7)

1. An integrated device for diversion and treatment of initial rainwater on pavement, characterized in that: it includes a first water inlet pipe and a second water inlet pipe arranged laterally, the water inlet of the first water inlet pipe is connected with the road drainage outlet, and the third water inlet pipe is connected with the road surface drainage outlet. The water outlet of a water inlet pipe is connected with the water inlet of the four-way valve, the first water outlet of the four-way valve is connected with the water inlet of the second water inlet pipe, and the water outlet of the second water inlet pipe is connected with the plant ecological ditch. The water inlet is connected, and the second water outlet of the four-way valve is connected with the water inlet of the vertically arranged drainage pipe. A first float is provided below the second water outlet of the four-way valve. The first float is The floating ball is connected to the second floating ball through the steel strand and the pulley. The second floating ball is placed in the water storage chamber. The water storage chamber is placed below the plant ecological ditch. The water outlet of the plant ecological ditch is connected to the water outlet of the plant ecological ditch. The water inlet of the water storage chamber is connected; the top opening of the second water inlet pipe is connected with the inverted U-shaped conduit, and the steel strand is connected by a pulley and passes through the four-way valve, conduit, and plant ecological ditch before entering The water storage chamber is connected to the second float; the gravity of the second float is greater than the gravity of the first float, and the pressure of the water received by the first float at the second outlet of the four-way valve is the same as the first float. The sum of the gravity of one float is less than the pulling force of the second float on the first float, and the average density of the second float is less than the density of the water in the water storage room; a rubber ring is provided around the first float , the outer diameter of the first float is larger than the inner diameter of the second water outlet of the four-way valve. 2. The integrated device for diversion and treatment of initial rainwater on pavement according to claim 1, characterized in that: an overflow pipe is provided at the upper part of the water storage chamber, and a vent pipe is provided at the bottom of the water storage chamber. A valve is provided on the vent pipe, the overflow pipe and the vent pipe are both connected to the drainage pipe, and a water pump is provided at the bottom of the water storage chamber. 3. The integrated device for diversion and treatment of initial rainwater on pavement according to claim 1, characterized in that: the water inlet of the four-way valve and the first water outlet are arranged transversely, and the second water outlet of the four-way valve is arranged longitudinally. Next settings. 4. The integrated device for early stage rainwater diversion treatment on pavement according to claim 1, characterized in that: aquatic plants are planted in the upper part of the plant ecological ditch, and the inner cavity of the plant ecological ditch is provided with at least one row of spaced partitions. Water board, the water barrier divides the plant ecological ditch into several baffle areas arranged in sequence, and an overflow hole is provided at the upper part between the baffle area and an adjacent baffle area. The baffle area A transmission hole is provided at the lower part between the zone and another adjacent baffle zone. The water inlet of the plant ecological ditch is placed in the first baffle zone, and the water outlet of the plant ecological ditch is placed in the last baffle zone. Bending area. 5. The integrated device for early stage rainwater diversion treatment on pavement according to claim 1, characterized in that: the bottom plate between the plant ecological ditch and the water storage chamber is provided with a mounting hole for steel strands to pass through, and the A rubber ring is provided at the mounting hole. 6. The integrated device for diversion and treatment of initial rainwater on road surface according to claim 1, characterized in that: a filter screen is provided at the water inlet of the first water inlet pipe. 7. A working method for the integrated device for initial rainwater diversion treatment on pavement according to any one of claims 1 to 6, characterized in that it includes the following steps: S1: When no water enters, the first float blocks the second water outlet of the four-way valve under the pull of the second float; S2: When water enters, the initial rainwater enters the plant ecological ditch through the road drainage outlet, the first water inlet pipe, and the second water inlet pipe. The initial rainwater enters the water storage chamber through the outlet of the plant ecological ditch. The water level in the room rises to a predetermined liquid level, and the second float floats upward due to the buoyancy of the water, thereby driving the first float down to open the second outlet of the four-way valve, so that later rainwater flows through the four-way valve. The first outlet of the one-way valve enters the plant ecological ditch, water storage chamber, and overflow pipe and flows into the drainage pipe and enters the sewage pipe network. Later, the rainwater enters the drainage pipe through the second outlet of the four-way valve and is discharged into the sewage pipe network. ; S3: After the water inflow stops, the water in the water storage chamber is pumped out for reuse. When the water level in the water storage chamber drops to the predetermined liquid level, the second float loses its buoyancy and descends under the action of gravity. The first float blocks the second water outlet of the four-way valve under the pull of the second float, and the entire device returns to the initial state; S4: During cleaning, the water in the water storage chamber is discharged through the vent pipe.