CN114673242A

CN114673242A - Initial rainwater automatic flow discarding device and method suitable for sponge city

Info

Publication number: CN114673242A
Application number: CN202210357272.1A
Authority: CN
Inventors: 陈膳慧; 黄崇; 颜峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-06-28

Abstract

The invention discloses an automatic initial rainwater discarding device and method suitable for sponge cities, which comprise the following steps: the rainwater discarding mechanism comprises a reinforcing plate, a protective outer cylinder is fixedly mounted at the top of the reinforcing plate, the rainwater discarding mechanism is arranged on the top of the reinforcing plate, two groups of liquid circulation pipelines are mounted inside the mechanism, when rainwater is acidic, a signal is transmitted into a controller by a PH sensor to control one water pump A to do work and quickly extract mixed liquid in the water storage tank A, and finally the acidic liquid can be gradually discharged out of the mechanism from a diffusion hole.

Description

Initial rainwater automatic flow discarding device and method suitable for sponge city

Technical Field

The invention relates to the technical field of sponge city water storage equipment, in particular to an automatic initial rainwater discarding device and method suitable for a sponge city.

Background

The sponge city is a new generation city rain and flood management concept, means that the city can have good elasticity in the aspects of adapting to environmental changes and coping with natural disasters caused by rainwater like a sponge, and can also be called as a water elasticity city, the international general term is 'low-impact development rainwater system construction', water absorption, water storage, water seepage and water purification are carried out when raining, the stored water is released and utilized when needed, the rainwater can be freely migrated in the city, and from the service of an ecological system, a water ecological infrastructure is constructed in a cross-scale mode and is constructed by combining various specific technologies, so that the sponge city is the core of the sponge city.

The prior art generally has the following defects: when external rainfall, rainwater in the front period can fuse with harmful elements diffused in the air, so that the PH value of rainwater is lower, the rainwater is acidic, and then the rainwater enters the device for flow discarding treatment.

Therefore, we propose an automatic initial rainwater discarding device and method suitable for sponge cities, so as to solve the problems mentioned above.

Disclosure of Invention

The invention aims to provide an automatic initial rainwater discarding device and method suitable for sponge cities.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic initial rainwater discarding device and method suitable for sponge cities comprises the following steps: the top of the assembly bottom plate is fixedly provided with a rainwater discarding mechanism, a rainwater stirring mechanism and a filtering mechanism respectively;

the rainwater flow discarding mechanism comprises a reinforcing plate, a protective outer cylinder is fixedly mounted at the top of the reinforcing plate, a water storage tank A and a liquid storage tank are fixedly mounted on the inner wall surface of the protective outer cylinder respectively, a group of PH sensors are fixedly mounted on the inner wall surface of the water storage tank A, wiring ends of the group of PH sensors are connected with an inner flat cable in the water storage tank A, a U-shaped metal frame is fixedly mounted at the bottom of the water storage tank A, two connecting lantern rings A are fixedly mounted inside the U-shaped metal frame, water pumps A are fixedly inserted into the inner wall surfaces of the two connecting lantern rings A, input ends of the two water pumps A are communicated with the bottom of the water storage tank A, output ends of the two water pumps A are respectively and fixedly communicated with a water discarding pipeline and a water conveying pipeline A, a transition box is fixedly mounted on the inner wall surface of the protective outer cylinder, and a liquid outlet end of the water discarding pipeline is communicated with the outer surface of the transition box, the outer surface wall of the protective outer cylinder is fixedly inserted with a hollow sleeve, the water outlet end of the water delivery pipeline A is communicated with one side of the outer wall of the hollow sleeve, the bottom of the transition box is fixedly communicated with a group of flow dividing pipes, the liquid outlet ends of the group of flow dividing pipes are communicated with the top of the liquid storage box, and the outer surface walls of the protective outer cylinder and the liquid storage box are provided with diffusion holes;

a method of discarding streams, comprising the steps of:

the method comprises the following steps: after rainwater enters the protective outer barrel from the slotted top cover, the rainwater is stored in the water storage tank A, the rainwater is in contact with the PH sensor at the moment, the PH value of the rainwater is rapidly measured and calculated, and then the information is guided into the controller through the information wire A.

Step two: when the rainwater is acidic, the controller transmits a starting command to one of the water pumps A through the information line B, the internal impeller of the started water pump A rotates, and then stronger adsorption capacity is generated at the input port, so that the acidic liquid in the water storage tank A is quickly extracted, and then the acidic liquid enters the transition box through the transportation of the waste water pipeline.

Step three: after the liquid cube in the transition box is continuously increased, the liquid is transported to the liquid storage box by utilizing the transportation of the shunt tubes, and the acid liquid is uniformly discharged out of the device due to the diffusion holes.

Step four: when the PH value of rainwater in the water storage tank A is normal, the controller is used again to transmit a starting command to another water pump A, so that water in the water storage tank A is quickly pumped out of the water storage tank A, and meanwhile, the water is continuously transported into the water storage tank B by the transportation of the water pipeline A.

Step five: when a large amount of water is collected in the water storage tank B, the servo motor in the connecting sleeve ring B is started and acts on the transmission rod to drive the stirring rod on the inserting plate to rotate, so that the water source in the water storage tank B is accelerated to flow.

Step six: when the device needs to discharge a water source to the outside, the water pump B in the limiting ring is started, the water source in the water storage tank B is quickly extracted, the water source is transported by the water delivery pipeline B, and finally the water source is discharged to a use area from the water discharge pipeline.

Preferably, a slotted top cover is fixedly mounted at the top of the assembling bottom plate, and L-shaped frames are welded on the outer surface walls of the two connecting lantern rings A.

Preferably, a controller is fixedly installed between the outer walls of the two L-shaped frames, a set of information line A is fixedly connected to the signal input end of the controller, the input end of the information line A is connected with an inner flat cable in the water storage tank A, a set of information line B is fixedly connected to the output end of the controller, and the output end of the information line B is connected with the signal receiving end of the water pump A.

Preferably, the rainwater stirring mechanism comprises a water storage tank B, the bottom of the water storage tank B is fixedly installed at the top of the assembly bottom plate, an inner connecting plate is fixedly installed between two sides of the inner wall of the water storage tank B, a connecting sleeve ring B is fixedly installed at the center of the bottom of the inner connecting plate, and a servo motor is fixedly inserted into the inner wall surface of the connecting sleeve ring B.

Preferably, servo motor's bottom fixed mounting has spacing sleeve, servo motor's output fixed mounting has the transfer line, the inside fixed insertion of transfer line is equipped with a plurality of picture pegs, and is a plurality of the equal fixed mounting in top of picture peg has the puddler, the fixed intercommunication in outer wall one side of storage water tank B has the inlet channel, the end of intaking of inlet channel and hollow telescopic outward appearance wall communicate mutually.

Preferably, the filtering mechanism comprises a treatment box, the bottom of the treatment box is fixedly arranged at the top of the assembly bottom plate, a group of slideways are arranged on two sides of the inner wall of the treatment box, a filtering plate and a filtering plate are movably inserted between every two inner wall surfaces of the two slideways, and a grading pipeline is fixedly communicated between the opposite sides of the treatment box and the water storage tank B.

Preferably, the top of the assembly bottom plate is fixedly provided with two limiting rings, the inner wall surfaces of the two limiting rings are fixedly provided with water pumps B, the input ends of the two water pumps B are fixedly communicated with water conveying pipelines B, and the water inlet ends of the two water conveying pipelines B are communicated with the outer wall of the treatment box.

Preferably, the top of one of the two water pumps B is fixedly communicated with a drainage pipeline, the output end of the other water pump B is fixedly communicated with an extension pipe, and the water outlet end of the extension pipe is communicated with the outer wall of the drainage pipeline.

Preferably, in the sixth step: before the water source enters the water pump B, the water source is firstly introduced into the treatment box, and the water source is sequentially treated by the filter plate and the non-woven cotton plate to remove solid impurities and bacteria with larger mass in the water source.

Compared with the prior art, the invention has the beneficial effects that:

1. the rainwater discarding mechanism is arranged, two groups of liquid circulation pipelines are arranged in the mechanism, when rainwater is acidic, a PH sensor transmits signals into a controller to control one water pump A to do work, mixed liquid in a water storage tank A is quickly pumped, finally the acidic liquid can be gradually discharged out of the mechanism from a diffusion hole, when the PH value in the rainwater is gradually normal after rainfall reaches a later period, the other water pump A is discharged into the other water pump A again through the controller, clean rainwater is continuously conveyed into a water storage tank B through the pipeline in the mechanism, the two water discharging processes in the mechanism are independent and separated, the discarding pipeline and the water pipeline are distinguished, and the acidic liquid remained in the discarding pipeline is prevented from being mixed into the rainwater in the water conveying pipeline.

2. According to the invention, by arranging the rainwater stirring mechanism, after rainwater is stored in the water storage tank B, the driving part in the mechanism is used for driving the stirring rod to rotate at a high speed, so that the flow of a water source in the water storage tank B is accelerated, impurities in the water source continuously move in the water storage tank B through the moving direction of water flow, the phenomenon that the water source is static in the water storage tank B for a long time and the impurities in the water source precipitate is avoided, and the difficulty in cleaning the interior of the water storage tank B in the later period is increased.

3. According to the invention, the filtering mechanism is arranged, so that after the water source is conveyed into the water storage tank B, the water source can be stored for a long time, anaerobic bacteria in the water source are propagated, impurities in the water source are removed through the filtering plate when the water source is discharged out of the device, and meanwhile, the bacteria are adsorbed into the non-woven cotton plate by utilizing the compactness of the internal structure of the non-woven cotton plate, so that the impurities and bacteria are effectively prevented from being discharged to the ground surface to cause the pollution of soil in the region.

Drawings

FIG. 1 is a perspective view of a primary structure of an automatic initial rainwater discarding device and method for sponge cities according to the present invention;

FIG. 2 is a perspective view of a top view structure of an automatic initial rainwater discarding device and method for sponge cities according to the present invention;

FIG. 3 is an enlarged perspective view of a structure of an initial rainwater discarding mechanism in the automatic rainwater discarding device and the initial rainwater discarding method for the sponge city according to the present invention;

FIG. 4 is an enlarged perspective view of a part of the structure of the initial rainwater automatic drainage device and the initial rainwater automatic drainage method applicable to the sponge city;

FIG. 5 is a split perspective view of a structure of an initial rainwater discarding mechanism in the initial rainwater automatic discarding device and the initial rainwater discarding method for the sponge city according to the present invention;

FIG. 6 is an enlarged perspective view of a structure of a rainwater stirring mechanism in the initial rainwater automatic drainage device and the initial rainwater automatic drainage method for the sponge city according to the present invention;

fig. 7 is an enlarged perspective view of a structure at a position a in fig. 4, which is an automatic initial rainwater discarding device and a discarding method suitable for sponge cities.

In the figure: 1. assembling a bottom plate; 2. a rainwater discarding mechanism; 201. a reinforcing plate; 202. a protective outer cylinder; 203. a water storage tank A; 204. a pH sensor; 205. a U-shaped metal frame; 206. a connecting lantern ring A; 207. a water pump A; 208. a water-discarding pipeline; 209. a water delivery pipeline A; 210. a transition box; 211. a liquid storage tank; 212. a diffusion hole; 213. a shunt tube; 214. a hollow sleeve; 215. slotting a top cover; 216. an L-shaped frame; 217. a controller; 218. an information line A; 219. an information line B; 3. a rainwater stirring mechanism; 301. a water storage tank B; 302. an inner connecting plate; 303. a connecting lantern ring B; 304. a servo motor; 305. a limiting sleeve; 306. a transmission rod; 307. inserting plates; 308. a stirring rod; 309. a water inlet pipe; 4. a filtering mechanism; 401. a treatment tank; 402. a slideway; 403. a filter plate; 404. a non-woven cotton board; 5. a limiting ring; 6. a water pump B; 7. a water delivery pipeline B; 8. a water discharge pipeline; 9. an extension tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-7, the present invention provides a technical solution: an automatic initial rainwater discarding device and method suitable for sponge cities comprises the following steps: the assembly bottom plate 1, the top of assembly bottom plate 1 is fixed mounting respectively has rainwater to abandon a class mechanism 2, rainwater rabbling mechanism 3 and filtering mechanism 4.

As shown in fig. 3, the rainwater drainage mechanism 2 includes a reinforcing plate 201, a protective outer cylinder 202 is fixedly installed on the top of the reinforcing plate 201, a water storage tank a203 and a liquid storage tank 211 are respectively and fixedly installed on the inner wall surface of the protective outer cylinder 202, a group of PH sensors 204 are fixedly installed on the inner wall surface of the water storage tank a203, the terminals of the group of PH sensors 204 are all connected with the internal flat cables in the water storage tank a203, a U-shaped metal frame 205 is fixedly installed at the bottom of the water storage tank a203, two connecting collars a206 are fixedly installed inside the U-shaped metal frame 205, water pumps a207 are fixedly inserted on the inner wall surfaces of the two connecting collars a206, the input ends of the two water pumps a207 are all communicated with the bottom of the water storage tank a203, the output ends of the two water pumps a207 are respectively and fixedly communicated with a drainage pipeline 208 and a water pipeline 209, a transition box 210 is fixedly installed on the inner wall surface of the protective outer cylinder 202, the liquid outlet end of the drainage pipeline 208 is communicated with the outer surface of the transition box 210, the fixed hollow sleeve 214 that inserts of outer surface wall of protection urceolus 202, the water outlet end of conduit A209 is linked together with hollow sleeve 214's outer wall one side, the fixed intercommunication in bottom of transition case 210 has a set of shunt tubes 213, the play liquid end of a set of shunt tubes 213 all is linked together with the top of liquid reserve tank 211, diffusion hole 212 has all been seted up to the outer surface wall of protection urceolus 202 and liquid reserve tank 211, through setting up two water pump A207, can carry the leading-in pipeline of difference into of rainwater step-by-step of different pH values, and then effectively distinguish the effect of abandoning water pipeline 208 and conduit A209, avoid abandoning the acid rainwater in the water pipeline 208 and enter into in the conduit A209.

According to the illustration in fig. 1, a slotted top cover 215 is fixedly installed on the top of the assembly base plate 1, L-shaped frames 216 are welded on the outer surface walls of the two connecting lantern rings a206, and the slotted top cover 215 is arranged to continuously guide rainwater into the protective outer cylinder 202 for PH value detection and water source treatment.

According to the illustration of fig. 7, a controller 217 is fixedly installed between the outer walls of the two L-shaped frames 216, a group of information lines a218 is fixedly connected to the signal input end of the controller 217, the input ends of the group of information lines a218 are all connected with the internal flat cable in the water storage tank a203, a group of information lines B219 is fixedly connected to the output end of the controller 217, the output ends of the group of information lines B219 are respectively connected with the signal receiving end of the water pump a207, and the controller 217 is arranged to issue a starting command to the designated water pump a207 according to the information returned from the PH sensor 204.

According to fig. 6, the rainwater stirring mechanism 3 comprises a water storage tank B301, the bottom of the water storage tank B301 is fixedly installed at the top of the assembly base plate 1, an inner connecting plate 302 is fixedly installed between two sides of the inner wall of the water storage tank B301, a connecting lantern ring B303 is fixedly installed at the center of the bottom of the inner connecting plate 302, a servo motor 304 is fixedly inserted on the inner wall surface of the connecting lantern ring B303, and the servo motor 304 is arranged to provide power support for a working part in the mechanism so as to accelerate the flow rate of a water source in the water storage tank B301.

According to the structure shown in fig. 6, a limiting sleeve 305 is fixedly installed at the bottom of a servo motor 304, a transmission rod 306 is fixedly installed at the output end of the servo motor 304, a plurality of insertion plates 307 are fixedly inserted into the transmission rod 306, stirring rods 308 are fixedly installed at the tops of the insertion plates 307, a water inlet pipeline 309 is fixedly communicated with one side of the outer wall of a water storage tank B301, the water inlet end of the water inlet pipeline 309 is communicated with the outer wall of a hollow sleeve 214, the left and right swing amplitude strength generated when the transmission rod 306 rotates can be effectively limited by the limiting sleeve 305, and the stability of the servo motor 304 in working is improved.

According to the figure 2, the filtering mechanism 4 comprises a processing box 401, the bottom of the processing box 401 is fixedly arranged on the top of the assembly bottom plate 1, a group of slideways 402 are respectively arranged on two sides of the inner wall of the processing box 401, a filtering plate 403 and a filtering plate 403 are respectively and movably inserted between the inner wall surfaces of every two of the two groups of slideways 402, a grading pipeline is fixedly communicated between the opposite sides of the processing box 401 and the water storage tank B301, solid impurities in a water source can be removed through the filtering plate 403, and anaerobic bacteria generated in the water source can be adsorbed by a non-woven cotton plate 404.

According to fig. 2, two limiting rings 5 are fixedly mounted at the top of the assembly base plate 1, water pumps B6 are fixedly mounted on the inner wall surfaces of the two limiting rings 5, water conveying pipes B7 are fixedly communicated with the input ends of the two water pumps B6, the water inlet ends of the two water conveying pipes B7 are communicated with the outer wall of the treatment box 401, and water sources stored in the water storage box B301 can be quickly extracted by arranging the water pumps B6.

According to the figure 2, the top of one of the two water pumps B6 is fixedly communicated with the drainage pipeline 8, the output end of the other water pump B6 is fixedly communicated with the extension pipe 9, the water outlet end of the extension pipe 9 is communicated with the outer wall of the drainage pipeline 8, and the pumped water source is completely collected in the drainage pipeline 8 through the two water pumps B6, so that the water pressure intensity of the water source when the water source is discharged to the ground surface is effectively improved.

The effect that its whole mechanism reaches does: the whole device is pre-buried under the ground, when rainwater enters the protective outer cylinder 202 from the slotted top cover 215, the rainwater is stored in the water storage tank A203, at the moment, the rainwater is in contact with the PH sensor 204, the PH value of the rainwater is rapidly measured, then information is guided into the controller 217 through the information line A218, when the rainwater is acidic, the controller 217 transmits a starting command to one of the water pumps A207 through the information line B219, the started water pump A207 is internally provided with an impeller which rotates, so that strong adsorption capacity is generated at an input port, acidic liquid in the water storage tank A203 is rapidly extracted and enters the transition box 210 through the transportation of the waste water pipe 208, when the liquid cube in the transition box 210 is continuously increased, the liquid is transported into the water storage tank 211 through the transportation of the shunt pipe 213, and the acidic liquid is uniformly discharged out of the device through the diffusion holes 212, when the PH of rainwater in the water storage tank a203 is normal, the controller 217 is used again to transmit a start command to another water pump a207, so as to quickly pump water from the water storage tank a203 out of the water storage tank a203, and simultaneously, the water is continuously transported into the water storage tank B301 by using the transportation of the water pipeline a209, after a large amount of water is collected in the water storage tank B301, the servo motor 304 in the connecting sleeve ring B303 is started and acts on the transmission rod 306 to drive the stirring rod 308 on the inserting plate 307 to rotate, so as to accelerate the flow of the water in the water storage tank B301, when the device needs to discharge the water to the outside, the water pump B6 in the limiting ring 5 is started, so as to quickly pump the water from the water storage tank B301, and the water is transported by using the water pipeline B7 and finally discharged to a use area from the water discharge pipe 8.

The invention also provides a use method of the initial rainwater automatic flow discarding device suitable for the sponge city, which comprises the following steps:

the method comprises the following steps: when rainwater enters the protective outer cylinder 202 from the slotted top cover 215, the rainwater is firstly stored in the water storage tank A203, at the moment, the rainwater is in contact with the PH sensor 204, the PH value of the rainwater is rapidly measured, and then the information is led into the controller 217 through the information wire A218.

Step two: when the rainwater is acidic, the controller 217 transmits a starting command to one of the water pumps A207 through the information line B219, the internal impeller of the started water pump A207 rotates, so that strong adsorption capacity is generated at the input port, the acidic liquid in the water storage tank A203 is quickly extracted, and the acidic liquid enters the transition box 210 through the transportation of the water discharge pipeline 208.

Step three: after the liquid cube in the transition box 210 is continuously increased, the liquid is transported to the liquid storage box 211 by the transportation of the shunt pipe 213, and the acidic liquid is uniformly discharged out of the device through the diffusion holes 212.

Step four: when the PH of the rainwater in the water storage tank a203 is normal, the controller 217 is used again to transmit the start command to another water pump a207, so as to quickly pump the water source in the water storage tank a203 out of the water storage tank a203, and meanwhile, the water source is continuously transported into the water storage tank B301 by the transportation of the water pipeline a 209.

Step five: when a large amount of water is collected in the water storage tank B301, the servo motor 304 in the connecting sleeve ring B303 is started and acts on the transmission rod 306 to drive the stirring rod 308 on the inserting plate 307 to rotate, so that the water in the water storage tank B301 is accelerated to flow.

Step six: when the device needs to discharge water to the outside, the water pump B6 in the limiting ring 5 is started to quickly pump the water in the water storage tank B301, the water pipe B7 is used for transporting the water, and finally the water is discharged to a use area from the water discharge pipe 8.

Preferably, the water source is introduced into the treatment tank 401 before entering the water pump B6, and the water source is sequentially treated by the filter plate 403 and the non-woven cotton plate 404 to remove solid impurities and bacteria with large mass in the water source.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic class device and abandon a class method of initial stage rainwater suitable for sponge city which characterized in that: the method comprises the following steps: the rainwater mixing device comprises an assembly bottom plate (1), wherein a rainwater discarding mechanism (2), a rainwater stirring mechanism (3) and a filtering mechanism (4) are fixedly mounted at the top of the assembly bottom plate (1) respectively;

the rainwater flow discarding mechanism (2) comprises a reinforcing plate (201), a protective outer cylinder (202) is fixedly mounted at the top of the reinforcing plate (201), a water storage tank A (203) and a liquid storage tank (211) are respectively and fixedly mounted on the inner wall surface of the protective outer cylinder (202), at least one group of PH sensors (204) are fixedly mounted on the inner wall surface of the water storage tank A (203), wiring ends of the group of PH sensors (204) are connected with inner flat cables in the water storage tank A (203), a U-shaped metal frame (205) is fixedly mounted at the bottom of the water storage tank A (203), two connecting lantern rings A (206) are fixedly mounted inside the U-shaped metal frame (205), water pumps A (207) are fixedly inserted on the inner wall surfaces of the two connecting lantern rings A (206), and input ends of the two water pumps A (207) are communicated with the bottom of the water storage tank A (203), the output ends of the two water pumps A (207) are respectively and fixedly communicated with a waste water pipeline (208) and a water pipeline A (209), the inner wall surface of the protective outer cylinder (202) is fixedly provided with a transition box (210), the liquid outlet end of the waste water pipeline (208) is communicated with the outer wall of the transition box (210), the outer wall of the protective outer cylinder (202) is fixedly inserted with a hollow sleeve (214), the water outlet end of the water pipeline A (209) is communicated with one side of the outer wall of the hollow sleeve (214), the bottom of the transition box (210) is fixedly communicated with a group of shunt tubes (213), the liquid outlet ends of the shunt tubes (213) are communicated with the top of the liquid storage box (211), and the outer walls of the protective outer cylinder (202) and the liquid storage box (211) are provided with diffusion holes (212);

the flow abandoning method comprises the following steps:

the method comprises the following steps: when rainwater enters the protective outer cylinder (202) from the slotted top cover (215), the rainwater is stored in the water storage tank A (203), the rainwater is now in contact with the PH sensor (204), the PH value of the rainwater is rapidly measured, and then information is led into the controller (217) through the information line A (218);

step two: when the rainwater is acidic, the controller (217) transmits a starting command to one of the water pumps A (207) through the information line B (219), the internal impeller of the started water pump A (207) rotates, so that strong adsorption capacity is generated at the input port, acidic liquid in the water storage tank A (203) is quickly extracted, and then the acidic liquid enters the transition box (210) through the transportation of the water drainage pipeline (208);

step three: after the liquid cube in the transition box (210) is continuously increased, the liquid is transported to the liquid storage box (211) by utilizing the transportation of a shunt pipe (213), and the liquid storage box is provided with diffusion holes (212) for uniformly discharging the acidic liquid out of the device;

step four: when the PH value of rainwater in the water storage tank A (203) is normal, the controller (217) is used again to transmit a starting command to the other water pump A (207), so that water in the water storage tank A (203) is quickly pumped out of the water storage tank A (203), and meanwhile, the water is continuously transported into the water storage tank B (301) by the transportation of the water pipeline A (209);

step five: when a large amount of water is collected in the water storage tank B (301), a servo motor (304) in the connecting sleeve ring B (303) is started and acts on the transmission rod (306) to drive a stirring rod (308) on the inserting plate (307) to rotate, so that the flow of the water source in the water storage tank B (301) is accelerated;

step six: when the device needs to discharge a water source to the outside, a water pump B (6) in the limiting ring (5) is started, the water source in the water storage tank B (301) is quickly extracted, the water source is transported by a water pipeline B (7), and finally the water source is discharged to a use area from a water discharge pipeline (8).

2. The automatic initial rainwater discarding device and method for sponge cities as claimed in claim 1, wherein: the top of the assembling bottom plate (1) is fixedly provided with a slotted top cover (215), and L-shaped frames (216) are welded on the outer wall of the two connecting lantern rings A (206).

3. The automatic initial rainwater flow abandoning device and method according to claim 2, characterized in that: two fixed mounting has controller (217) between the exterior wall of L type frame (216), the signal input end fixedly connected with a set of information line A (218) of controller (217), a set of the input of information line A (218) all is connected with the inside winding displacement in storage water tank A (203), the output fixedly connected with a set of information line B (219) of controller (217), a set of the output of information line B (219) is connected with the signal receiving terminal of water pump A (207) respectively.

4. The automatic initial rainwater discarding device and method for sponge cities as claimed in claim 1, wherein: rainwater rabbling mechanism (3) are including storage water tank B (301), the bottom fixed mounting of storage water tank B (301) is at the top of assembly plate (1), fixed mounting has interior fishplate bar (302) between the inner wall both sides of storage water tank B (301), the bottom center department fixed mounting of interior fishplate bar (302) has the connection lantern ring B (303), fixed inserting is equipped with servo motor (304) on the internal wall face of connection lantern ring B (303).

5. The automatic initial rainwater flow abandoning device and method according to claim 4, characterized in that: the bottom fixed mounting of servo motor (304) has stop sleeve (305), the output fixed mounting of servo motor (304) has transfer line (306), the inside fixed insertion of transfer line (306) is equipped with a plurality of picture peg (307), and is a plurality of the equal fixed mounting in top of picture peg (307) has puddler (308), the fixed intercommunication in outer wall one side of storage water tank B (301) has inlet channel (309), the outer wall of the end of intaking of inlet channel (309) and hollow sleeve (214) communicates mutually.

6. The automatic initial rainwater discarding device and method according to claim 4, wherein the device comprises: the filtering mechanism (4) comprises a processing box (401), the bottom of the processing box (401) is fixedly mounted at the top of the assembly bottom plate (1), a set of slide ways (402) are respectively arranged on two sides of the inner wall of the processing box (401), two sets of slide ways (402) are movably inserted between every two inner wall surfaces respectively and are provided with a filtering plate (403) and a filtering plate (403), and a grading pipeline is fixedly communicated between the opposite sides of the processing box (401) and the water storage tank B (301).

7. The automatic initial rainwater discarding device and method according to claim 6, wherein the device comprises: the top fixed mounting of assembly plate (1) has two spacing rings (5), two equal fixed mounting has water pump B (6) on the internal face of spacing ring (5), two the input of water pump B (6) all is fixed the intercommunication has conduit B (7), two the end of intaking of conduit B (7) all communicates with the exterior wall of handling case (401) mutually.

8. The automatic initial rainwater discarding device and method according to claim 7, wherein the device comprises: two the fixed intercommunication in top of one of them of water pump B (6) has drainage pipe (8), and the fixed intercommunication of the output of another water pump B (6) has extension pipe (9), the outer wall of the play water end and drainage pipe (8) of extension pipe (9) communicates mutually.

9. The automatic initial rainwater discarding device and method for sponge cities as claimed in claim 1, wherein: in the sixth step: before the water source enters the water pump B (6), the water source is firstly introduced into the treatment box (401), and the water source is sequentially treated by the filter plate (403) and the non-woven cotton plate (404) to remove solid impurities and bacteria with larger mass in the water source.