CN110093968B

CN110093968B - Intelligent initial rainwater distribution system

Info

Publication number: CN110093968B
Application number: CN201910400633.4A
Authority: CN
Inventors: 祝瑞麟; 古励; 陈永栋; 吕东; 姜沁; 宋宁凡; 杨海峰; 王祥勇
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2021-05-14
Anticipated expiration: 2039-05-15
Also published as: CN110093968A

Abstract

The invention discloses an initial rainwater intelligent diversion system, which mainly comprises a rainwater collection cylinder (1), a diversion large pump (7), a diversion small pump (8), an overflow hole (10) and a rainwater diversion control device (11). ), the rainwater diversion control device (11) includes a rainwater sensor, a turbidity sensor, a first liquid level sensor, a second liquid level sensor, a memory and a processor, the memory stores a computer program, and the computer program is used for separating pollution For rainwater, turn on the large diversion pump (7) and the small diversion pump (8) to transport the initially polluted rainwater to the sewage treatment plant; the clean rainwater can flow into the nearby rivers and lakes through the overflow hole (10). The technical effects of the present invention are: collecting and conveying rainwater in the initial stage is fast, efficient, environmentally friendly and intelligent, reducing tedious manual operations, using large diverting pumps and small diverting pumps, and saving energy.

Description

Intelligent initial rainwater distribution system

Technical Field

The invention belongs to the technical field of initial rainwater separation, and particularly relates to an initial rainwater intelligent distribution system.

Background

The initial rainwater is rainwater at the early stage of rainfall, and runoff of 30min or 3-5 mm at the early stage is generally considered as initial rainwater. In the early stage of rainfall, rainwater dissolves polluting gases in the air, and after the rainwater falls to the ground, the rainwater in the early stage contains a large amount of pollutants due to scouring of roofs, asphalt concrete roads and the like, so that the pollution degree of the rainwater in the early stage is higher and even exceeds that of common urban sewage. If the initial rainwater is directly discharged into the natural bearing water body, the water body is seriously polluted, and the subsequent reutilization of the rainwater is influenced.

Chinese patent document CN107859090A discloses an initial rainwater flow discarding device, in which a main body of the flow discarding device is provided with a water inlet, a water outlet and a flow discarding port, the water outlet is communicated with a municipal rainwater pipe network, the flow discarding port is respectively communicated with a flow discarding chamber and a municipal sewage pipe network, a flow locking mechanism is arranged between the flow guiding chamber and the flow discarding chamber, the flow locking mechanism comprises an upper floating ball and a lower floating ball, the upper floating ball is located in the flow guiding chamber, and the lower floating ball is located in the flow discarding chamber. It adopts traditional mechanical structure such as floater to carry out just slightly reposition of redundant personnel to initial stage rainwater, owing to do not have rainwater reposition of redundant personnel controlling means and big or small shunt pump, can only adopt traditional mechanical structure to carry out just slightly reposition of redundant personnel under the condition of not judging the quality of water condition, can not intelligent high-efficient and accurate collect and carry initial stage rainwater, therefore can't thoroughly separate polluted rainwater and clean rainwater, can't control the non-point source effectively and pollute.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an intelligent primary rainwater flow distribution system which is intelligent, efficient and environment-friendly in the collection and conveying processes of primary rainwater, can accurately separate polluted rainwater and clean rainwater and effectively control non-point source pollution.

The technical problem to be solved by the invention is realized by the technical scheme, the rainwater collecting device comprises a rainwater collecting barrel, wherein a cover plate is arranged at the top of the rainwater collecting barrel, a rainwater pipeline preformed hole is formed in the wall of the rainwater collecting barrel below the cover plate, the rainwater pipeline penetrates through the rainwater pipeline preformed hole and enters the rainwater collecting barrel, a vent valve is arranged at the top of the rainwater collecting barrel, a rainwater pipeline outlet is connected with a sewage intercepting hanging basket, the bottom of the rainwater collecting barrel is divided into two water storage areas by a stainless steel partition plate, a large shunting pump and a small shunting pump are correspondingly arranged in the two water storage areas, the two shunting pumps are connected with a municipal sewage pipe network, and an overflow hole is formed in the inner wall of the rainwater collecting barrel above the; a rainwater flow distribution control device is arranged in the rainwater collecting barrel; the rainwater diversion control device comprises a rainwater sensor, a turbidity sensor, a first liquid level sensor, a second liquid level sensor, a memory and a processor, wherein the memory stores a computer program, and the computer program can realize the following steps when being executed by the processor:

step 1, collecting information of a rainwater sensor and judging whether rainfall exists or not; if yes, executing the step 2, otherwise, executing the step 10;

step 2, recording the raining time, acquiring water quality information by a turbidity sensor, acquiring first water level information by a first liquid level sensor, and acquiring second water level information by a second liquid level sensor; then, executing the step 3;

step 3, judging whether the turbidity of the rainwater exceeds a preset value, if so, executing step 4, otherwise, executing step 9;

step 4, judging whether the first water level exceeds a preset value, if so, executing step 5, otherwise, executing step 8;

step 5, outputting a start control signal of the small shunting pump; judging whether the second water level exceeds a preset value, if so, executing a step 6, otherwise, executing a step 7;

step 6, outputting a shunting large pump starting control signal; returning to execute the step 5;

step 7, outputting a signal for stopping the operation of the shunting large pump; returning to execute the step 4;

step 8, outputting a signal for stopping the operation of the small shunting pump; returning to execute the step 3;

step 9, judging whether the raining time exceeds 24h, if so, executing step 10, otherwise, returning to execute step 3;

and step 10, waiting for a period of time, and returning to execute the step 1.

The invention has the technical effects that:

the invention can accurately detect the pollution state of the rainwater by using the turbidity sensor, accurately separate the polluted rainwater from the clean rainwater, convey the polluted rainwater to the urban sewage pipe network by using the two shunt pumps, and flow the clean rainwater into nearby rivers and lakes through the overflow holes; the rainwater collection and conveying device is quick, efficient, environment-friendly and intelligent, reduces complicated manual operation, uses the shunt large pump and the shunt small pump, and saves energy.

Drawings

The drawings of the invention are illustrated as follows:

FIG. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a rainwater collecting cylinder body; 2. a cover plate; 3. a reserved hole of the rainwater pipeline; 4. a rainwater pipeline; 5. a vent valve; 6. a sewage intercepting hanging basket; 7. a shunt large pump; 8. a small shunt pump; 9. climbing a ladder; 10. an overflow aperture; 11. a rainwater diversion control device; 12. stainless steel separator.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1, the rainwater collecting device comprises a rainwater collecting barrel 1, wherein a cover plate 2 is arranged at the top of the rainwater collecting barrel 1, a rainwater pipeline preformed hole 3 is formed in the wall of the rainwater collecting barrel below the cover plate 2, a rainwater pipeline 4 penetrates through the rainwater pipeline preformed hole 3 and enters the rainwater collecting barrel 1, and a vent valve 5 is arranged at the top of the rainwater collecting barrel 1, so that the stable air pressure inside and outside the barrel is ensured, and external rainwater can conveniently flow in; the outlet of the rainwater pipeline 4 is connected with a sewage intercepting hanging basket 6, and the sewage intercepting hanging basket 6 is used for intercepting larger suspended matters, solid particle impurities and the like in rainwater so as to protect the flow dividing pump and reduce the load pressure of subsequent units.

The bottom of the rainwater collecting barrel body 1 is divided into two water storage areas by a stainless steel partition plate 12, a large shunting pump 7 and a small shunting pump 8 are correspondingly installed in the two water storage areas, the two shunting pumps are connected with a municipal sewage pipe network, when the rainwater amount is small, the small shunting pump 8 is started to convey initial rainwater with high pollution degree to a sewage treatment plant, when the rainwater amount is large, the rainwater overflows from a first water storage area to a second water storage area through the stainless steel partition plate 12, and the large shunting pump 7 and the small shunting pump 8 operate; the inner wall of the rainwater collecting cylinder above the stainless steel partition plate 12 is provided with an overflow hole 10, the water storage area is used for retaining initial rainwater, and clean rainwater entering the rainwater collecting cylinder subsequently can flow into nearby rivers and lakes through the overflow hole 10; the rainwater collecting cylinder body 1 is internally provided with a rainwater flow distribution control device 11.

The rainwater diversion control means 11 comprises a rainwater sensor, a turbidity sensor, a first level sensor, a second level sensor, a memory and a processor, the memory storing a computer program which, when executed by the processor, is capable of performing the steps of:

step 5, outputting a starting control signal of the small shunting pump 8; judging whether the second water level exceeds a preset value, if so, executing a step 6, otherwise, executing a step 7;

step 6, outputting a starting control signal of the shunting large pump 7; returning to execute the step 5;

step 7, outputting a signal for stopping the operation of the shunt large pump 7; returning to execute the step 4;

step 8, outputting a signal for stopping the operation of the small shunting pump 8; returning to execute the step 3;

and step 10, waiting for a period of time, and returning to execute the step 1.

The program always detects whether there is rainfall after power-on, and only after power-off, the rainfall detection is finished. The rainfall detection interval is generally selected to be a few minutes, not more than 10 minutes, because in some cases, rainwater runoff is collected in the rainwater collection cylinder within a few minutes after rainfall.

Be provided with cat ladder 9 in the rainwater collection barrel 1, the maintainer of being convenient for regularly overhauls and maintains initial stage rainwater intelligence reposition of redundant personnel system.

Claims

1. An initial rainwater intelligent diversion system, comprising a rainwater collection cylinder (1), a cover plate (2) is arranged on the top of the rainwater collection cylinder (1), and a rainwater collection cylinder wall below the cover plate (2) is provided with rainwater; The pipeline reserved hole (3), the rainwater pipeline (4) enters the rainwater collection cylinder (1) through the rainwater pipeline reserved hole (3), and a ventilation valve (5) is provided on the top of the rainwater collection cylinder (1), A sewage intercepting basket (6) is connected to the outlet of the rainwater pipe (4), which is characterized by:

The bottom of the rainwater collection cylinder (1) is divided into two water storage areas by stainless steel partitions (12). The urban sewage pipe network is connected, and the inner wall of the rainwater collection cylinder above the stainless steel partition plate (12) is provided with an overflow hole (10); the rainwater collection cylinder (1) is provided with a rainwater diversion control device (11) inside;

The rainwater diversion control device (11) includes a rainwater sensor, a turbidity sensor, a first liquid level sensor, a second liquid level sensor, a memory and a processor, the memory stores a computer program, and the computer program is executed by the processor can implement the following steps:

Step 1. Collect rain sensor information to determine whether there is rainfall; if yes, go to step 2, otherwise, go to step 10;

Step 2, recording the raining time, collecting the turbidity sensor to obtain water quality information, collecting the first liquid level sensor to obtain the first water level information, collecting the second liquid level sensor to obtain the second water level information; and then performing step 3;

Step 3, determine whether the rainwater turbidity exceeds the preset value, if so, go to Step 4, otherwise, go to Step 9;

Step 4, determine whether the first water level exceeds the preset value, if so, go to Step 5, otherwise, go to Step 8;

Step 5, output the small diversion pump (8) to start the control signal; judge whether the second water level exceeds the preset value, if so, go to step 6, otherwise, go to step 7;

Step 6, output the shunt pump (7) to start the control signal; return to step 5;

Step 7, output the signal that the large shunt pump (7) stops running; return to step 4;

Step 8, output the signal that the small shunt pump (8) stops running; return to step 3;

Step 9, judge whether the raining time exceeds 24h, if so, execute step 10, otherwise, return to execute step 3;

Step 10, wait for a period of time, and return to step 1.

2. The initial rainwater intelligent diversion system according to claim 1, wherein a ladder (9) is arranged in the rainwater collecting cylinder (1).