CN111851875B

CN111851875B - Rainwater collecting, reprocessing and utilizing system

Info

Publication number: CN111851875B
Application number: CN202010775078.6A
Authority: CN
Inventors: 冷浩然
Original assignee: Jiangxi Normal University
Current assignee: Jiangxi Normal University
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-06-25
Anticipated expiration: 2040-08-05
Also published as: CN111851875A

Abstract

A rainwater collecting, recycling and utilizing system comprises a rainwater collecting device and a rainwater recycling and utilizing device; rainwater collection device collects the rainwater to first header tank (6), and inlet tube (B3) of rainwater reuse device connects in first header tank (6), and the rainwater of first header tank (6) collection passes through inlet tube (B3) and gets into in the rainwater reuse device. This rainwater collection device can carry out the layering catchment to the rainwater that the roof was collected, and the user of every floor of being convenient for uses, has increased at the top of drain pipe simultaneously and has cleaned the mechanism, can prevent that the leaf and the discarded object on roof from plugging up the drain pipe and causing the drainage difficulty. The rainwater is reprocessed and is utilized device can add the medicine automatically in watering to automatic shutdown adds the medicine after adding water and accomplishing, can effectual improvement rainwater purification's quality, reduced intensity of labour.

Description

Rainwater collecting, reprocessing and utilizing system

Technical Field

The invention relates to the technical field of sponge cities, in particular to a rainwater collecting, recycling and utilizing system.

Background

The sponge city is characterized in that the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water in rainy days, releases and utilizes the stored water as required, and is constructed according to the principles of ecological priority and the like, natural ways are combined with artificial measures, so that the accumulation, permeation and purification of rainwater in urban areas are realized to the maximum extent on the premise of ensuring the safety of urban drainage and waterlogging prevention, and the utilization of rainwater resources and the ecological environment protection are promoted. Some rainwater collection facilities are currently emerging.

Through retrieval and discovery, the invention of patent number CN201610619621.7 provides a rainwater collection and treatment system, which comprises a water diversion system, a rainwater infiltration unit, a rainwater storage unit, a rainwater treatment unit and a rainwater recovery unit; the water diversion system comprises a rainwater collecting tank, a water diversion pipeline, a water diversion pool and a water delivery pipeline; the rainwater collecting tank is connected with a water diversion tank through a water diversion pipeline, and the water diversion tank is communicated with the rainwater infiltration unit through a water delivery pipeline; the rainwater infiltration unit is arranged on the green land of the sponge city; the rainwater infiltration unit sends rainwater of the mobile phone to an underground rainwater storage unit; the rainwater treatment unit filters rainwater for many times, and the sterilized rainwater is delivered to a place needing water by the rainwater recovery unit.

Through the retrieval discovery, patent number CN 201721175321.0's utility model relates to a sponge city rainwater collection device, it includes the support, the setting tank, the storage water tank, and the setting tank bottom is equipped with the flow control valve of control play water, the setting tank side switches on with the storage water tank overflow, the storage water tank does elevating movement along with storage water tank weight change for the support, the setting tank side is equipped with the second overflow pipe, be equipped with the water guide swash plate that leads the part to intaking to the second overflow pipe in the setting tank, the setting tank outside is equipped with the sponge that absorbs water that is elevating movement for the setting tank, the delivery port orientation sponge top that absorbs water of second overflow pipe, the sponge that absorbs water passes through the control handle linkage of guide arm and flow control valve, control handle and storage water tank.

Through search and discovery, the invention of patent number CN201611154524.1 discloses a sponge urban road surface rainwater collection system, which comprises a control base station, a regulation pool, a rainwater collection device, a waste flow filtering device and an irrigation spraying device, wherein the control base station is arranged on the ground surface, a PLC (programmable logic controller) is arranged in the control base station, the regulation pool is arranged below the ground surface, the upper end of the regulation pool is provided with the waste flow filtering device and the irrigation spraying device, the waste flow filtering device is connected with the rainwater collection device, and the periphery of the regulation pool is provided with a downward infiltration device.

Through search and discovery, the invention of patent number CN201810661067.8 provides a sponge urban rainwater recycling system, which comprises: the rainwater collecting device comprises a building rainwater collecting mechanism for collecting building rainwater, a greenbelt rainwater collecting mechanism for collecting greenbelt rainwater, a road rainwater collecting mechanism for collecting road rainwater, a building rainwater collecting pipeline communicated with the building rainwater collecting mechanism, a greenbelt rainwater collecting pipeline communicated with the greenbelt rainwater collecting mechanism, a road rainwater collecting pipeline communicated with the road rainwater collecting mechanism, a building rainwater treatment and recovery mechanism communicated with the building rainwater collecting pipeline, a greenbelt rainwater treatment and recovery mechanism communicated with the greenbelt rainwater collecting pipeline and a road rainwater treatment and recovery mechanism communicated with the road rainwater collecting pipeline.

Found through the retrieval, patent number CN 201820987411.8's utility model discloses a sponge city rainwater recycle system, include: the rainwater collecting device comprises a building rainwater collecting mechanism for collecting building rainwater, a greenbelt rainwater collecting mechanism for collecting greenbelt rainwater, a road rainwater collecting mechanism for collecting road rainwater, a building rainwater collecting pipeline communicated with the building rainwater collecting mechanism, a greenbelt rainwater collecting pipeline communicated with the greenbelt rainwater collecting mechanism, a road rainwater collecting pipeline communicated with the road rainwater collecting mechanism, a building rainwater treatment and recovery mechanism communicated with the building rainwater collecting pipeline, a greenbelt rainwater treatment and recovery mechanism communicated with the greenbelt rainwater collecting pipeline and a road rainwater treatment and recovery mechanism communicated with the road rainwater collecting pipeline.

However, problem 1: current building is all through the parapet with water gathering on the roof, then arranges to ground or arrange to the cistern of ground installation through wash port and the drain pipe that the side was seted up, and this kind of mode can collect the rainwater, but if the higher user of floor needs water to water flowers or when other uses, then need add the pipeline again and take out from the cistern of bottom and use, has increased the cost.

Problem 2: the rainwater purification equipment often need be used in the collection processing procedure of rainwater, and automatic reagent feeding function when generally unable realization of present rainwater purification equipment is purifying often is being used in-process, often because how much of rainwater need add the medicine of different proportions when handling the rainwater, this proportion is hardly mastered to manual reagent feeding, causes the quality of purification to reduce.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a rainwater collecting, recycling and reusing system.

A rainwater collecting, recycling and utilizing system comprises a rainwater collecting device and a rainwater recycling and utilizing device; rainwater collection device collects rainwater to first water collection tank 6, and inlet tube B3 of rainwater reuse device connects in first water collection tank 6, and the rainwater that first water collection tank 6 collected gets into in the rainwater reuse device through inlet tube B3.

The rainwater collecting device comprises a parapet wall 2 installed at the edge of a roof of a building 1, and a water outlet is formed in the wall bottom of the parapet wall 2; a drain pipe 4 is tightly attached to the side face of the building 1, the top end of the drain pipe 4 is fixed in a drain port, a filter screen 8 is installed at the end part of the drain pipe 4, a cleaning mechanism 3 installed on the side face of the parapet 2 is further arranged at the outer end of the filter screen 8, the cleaning mechanism 3 comprises a protective cover body 301 and is fixedly installed on the side face of the parapet 2 at the top of the filter screen 8; the cleaning mechanism 3 also comprises a swinging mechanism which is arranged in the cover body 301 and is contacted with the surface of the filter screen 8; the middle part of drain pipe 4 runs through and has one to install the mechanism 5 that catchments in 1 side of building, and the lower extreme is fixed under the bottom of drain pipe 4 has placed first header tank 6, lies in the first header tank 6 and installs the water conservancy diversion piece 7 of cone under the outlet of drain pipe 4.

The rainwater retreating and utilizing device comprises a box body B1 and a cover plate B2, wherein the interior of the box body B1 is divided into a first area B9, a second area B10 and a third area B11 through a partition plate, a water inlet pipe B3 and a chemical feeding pipe B4 are respectively installed on the cover plate B2 at the upper end of the first area B9, a synchronizing mechanism B12 is further installed at the bottom end of the water inlet pipe B3 and the bottom end of the chemical feeding pipe B4 in the first area B9, a stirring device B13 is installed in the second area B10, the top of the stirring device B13 penetrates through the cover plate B2, a stirring driving device B5 is installed on the cover plate B2, and a plurality of layers of filter plates B14 are installed in the third area B11.

Compared with the prior art, the rainwater collecting device has the following improvements and advantages:

its 1, rainwater collection device, including installing parapet 2 at 1 roof edge in building, the outlet has been seted up at the bottom of parapet 2's the wall, 1 side of building is posted closely drain pipe 4, drain pipe 4's top is fixed in the outlet and is installed filter screen 8 at the tip of drain pipe 4, install cleaning mechanism 3 on parapet 2 side in addition on filter screen 8's the outer end, drain pipe 4's middle part runs through to have one to install the mechanism 5 that catchments in 1 side of building, first header tank 6 has been placed to the lower extreme is fixed under drain pipe 4's the bottom, be located the outlet of drain pipe 4 in the first header tank 6 and install water conservancy diversion piece 7 under. The rainwater collecting device adopts the layered water storage mechanism, so that users on each floor can use collected rainwater conveniently, and the top of the drainage pipe is additionally provided with the cleaning mechanism, so that the problem that the drainage is difficult because the drainage pipe is blocked by leaves and wastes on a roof can be prevented.

The cleaning mechanism 3 comprises a protective cover body 301 which is fixedly arranged on the side surface of the parapet 2 at the top of the filter screen 8; and the swinging mechanism is arranged in the cover body 301 and is contacted with the surface of the filter screen 8. The swing mechanism comprises a driving motor 302 which is arranged on the inner side surface of the protective cover body 301; the protective hood further comprises a fixing piece 303 which is fixedly arranged on the inner top surface of the protective hood body 301; a rotating member 304, one end of which is fixedly mounted on the driving shaft of the driving motor 302; the device also comprises a swinging piece 305, one end of which is rotatably connected to the fixed piece 303, and the other end of which is fixedly provided with a brush 307; a connecting member 306 is further included, one end of which is rotatably connected to the other end of the rotating member 304, and the other end of the connecting member 306 is slidably mounted in the swinging member 305. According to the invention, the filter screen can be cleaned in time by reasonably designing the swing mechanism in the cleaning mechanism, so that the problem that the leaves block the filter screen and the drain pipe to cause difficulty in drainage is prevented.

3, the brush surface of the brush 307 contacts with the filter screen 8, the two side surfaces of the connecting piece 306 are provided with sliding grooves, and the connecting piece is arranged on the inner side of the swinging piece 305 behind the strip-shaped groove arranged in the swinging piece 305 through the sliding grooves and keeps sliding connection. The driving motor 302 rotates to drive the rotating member 304 to rotate continuously, and the connecting member 306 of the rotating member 304 moves continuously in the swinging member 305, so as to drive the swinging member to swing, and further drive the brush 307 to sweep the surface of the filter screen 8.

4, the water collecting mechanism 5 comprises two L-shaped support rods 501 which are fixedly arranged on the side surface of the building 1; the water collecting device also comprises a second water collecting tank 502 which is placed on the two supporting rods 501; the water distribution pipe 504 is also included, one end of the water distribution pipe is rotatably connected with the water discharge pipe 4 through penetration, the end part of the other end of the water distribution pipe is fixedly connected to the end part of a circular shaft 505 arranged on the side surface of the second water collection tank 502 through a bearing, and a water outlet is arranged on the circumference of the water distribution pipe 504 at the outer end of the water discharge pipe 4; the water receiving hopper 503 is arranged on the circumferential surface of the water distribution pipe 504 in the water discharge pipe 4; the rotating block 506 is fixedly arranged on a round shaft 505 outside the second water collecting tank 502; the device also comprises a rodless cylinder 508 which is arranged on the outer side surface of the second water collecting tank 502 with the same height as the round shaft 505; the device also comprises a limiting block 507 which is fixedly arranged on the telescopic part of the rodless cylinder 508; the gravity block 509 is slidably mounted on a slide rail arranged on the outer side of the second water collecting tank 502 between the rotating block 506 and the rodless cylinder 508; the buoyancy block 510 is slidably mounted on the inner side wall of the second water collecting tank 502 through a dovetail-shaped sliding block; and a limit switch 511 which is installed at the top end of the inner side wall of the second water collecting tank 502 corresponding to the buoyancy block 510. The surface of the limiting block 507 opposite to the rotating block 506 is provided with a rectangular groove, the rotating block 506 is a cam with a sharp part, and the sharp part of the cam can be inserted into the rectangular groove of the limiting block 507. The water in the drainage pipe can be drained from the water distribution pipe into the second water collection tank at any time through the water distribution pipe in the water collection mechanism, the water receiving hoppers at the two ends of the water distribution pipe and the circular shaft which are reasonably designed. The rotating block, the limiting block and the cylinder outside the second water collecting tank are reasonably designed to facilitate the water receiving hopper to receive water inside the water discharging pipe; after the second water collecting tank can be guaranteed to be fully collected through reasonable design of the buoyancy block, the limit switch and the gravity block, the rotating block can automatically drive the water receiving hopper to rotate, and water receiving is closed.

In the structure 5, a through hole for passing through the drain pipe 4 is formed in the second water collecting tank 502, and a water retaining sleeve 515 is hermetically installed at the through hole in the second water collecting tank 502. The bottom of the two side surfaces of the second water collecting tank 502 is respectively provided with a water tap 512. A threaded hole is formed in one end of the L-shaped support rod 501, which supports the second water collecting tank 502, along the horizontal direction, a threaded shaft 514 is installed in the threaded hole, and a rotating disc 513 is installed at one end of the threaded shaft 514. The threaded shaft and the rotating disc on the support rod at the lower end of the second water collecting tank can be reasonably designed to ensure that the second water collecting tank can be stably placed on the support rod, so that the second water collecting tank is prevented from being blown down by strong wind to hurt people.

And 6, the rainwater collecting process of the invention is different from the prior art, and the implementation mode is as follows: before use, the second water collecting tank 502 is placed on the L-shaped supporting rod 501, after the second water collecting tank is placed, the threaded shaft 514 is rotated through the rotating discs 513 at the two ends until the rotating discs 513 at the two ends clamp the side face of the second water collecting tank 502, finally, the water discharging pipe 4 penetrates through the water retaining sleeve 515 of the second water collecting tank 502, and other elements of the water collecting mechanism 5 are installed. After raining, the water from the roof passes through the filter screen 8 into the drain pipe 4 and finally drains into the first header tank 6 below.

Compared with the prior art, the rainwater recycling device has the following beneficial effects:

the rainwater recycling device comprises a box body B1 and a cover plate B2, wherein the box body B1 is internally divided into a first area B9, a second area B10 and a third area B11 through a partition plate, a water inlet pipe B3 and a chemical feeding pipe B4 are respectively installed on the cover plate B2 at the upper end of the first area B9, a synchronizing mechanism B12 is also installed at the bottom end of the water inlet pipe B3 and the bottom end of the chemical feeding pipe B4 in the first area B9, a stirring device B13 is installed in the second area B10, the top of the stirring device B13 penetrates through the cover plate B2, a stirring driving device B5 is installed on the cover plate B2, and a plurality of layers of filter plates B14 are installed in the third area B11.

2, the synchronizing mechanism B12 comprises a supporting plate B12.1 fixedly arranged in the first area B9; the spring B12.3 is arranged on the supporting plate B12.1 corresponding to the pipe orifice of the water inlet pipe B3; the baffle B12.2 is arranged at the top end of the spring B12.3 and is contacted with the tail end of the upper water inlet pipe B3; the telescopic device also comprises two telescopic rods B12.4 which are arranged at two sides of the spring B12.3 and are respectively fixed on the baffle B12.2 and the supporting plate B12.1; the medicine adding device also comprises a connecting rod B12.5 which is fixedly arranged between the side end of the baffle B12.2 and the medicine adding pipe B4. In the synchronizing mechanism B12, the spring B12.3 of the synchronizing mechanism B12 can ensure that the baffle B12.2 can rebound after the water adding is finished, and the liquid outlet control part B4.4 is driven to rise to realize the automatic closing and dosing. On the other hand, the telescopic rod B12.4 in the synchronizing mechanism B12 can ensure that the baffle B12.2 vertically ascends and descends through reasonable design, and cannot turn over.

3, in the invention, the dosing tube B4 comprises a tube body B4.1, and the tail end of the tube body B4.1 is contacted with the supporting plate B12.1 and is blocked; the liquid outlet B4.3 is arranged on the pipe wall of the pipe body B4.1 with the same height as the spring B12.3; the device also comprises two slide rails B4.2 which are respectively arranged on the inner walls of the tube body B4.1 at the two sides of the liquid outlet B4.3; and a hydraulic control part B4.4 is also covered and is matched with the two slide rails B4.2 to be connected inside the pipe body B4.1 of the medicine adding pipe B4 in a sliding way. The connecting rod B12.5 passes through the liquid outlet B4.3 of the tube B4.1 and is fixed on the side of the liquid outlet control member B4.4. The reasonable design of the chemical feeding pipe B4 and the synchronizing mechanism B12 at the bottom of the water feeding pipe can ensure that the chemicals are fed while water is added.

4, a through hole is formed in the bottom end of the partition plate between the first area B9 and the second area B10, water outlets are formed in the bottom of the rear side of the second area B10 and the top of the rear side of the third area B11 respectively, the outer end of each water outlet is connected with a water discharge pipe B7 and a water pump B6, and a water discharge port B8 is formed in the bottom of the side face of the third area B11. In the implementation, rainwater and liquid medicine enter the second area B10 through the through hole at the bottom end in the first area B9 to be stirred, are pumped into the third area B11 through the water pump B6 and the water discharge pipe B7 after being stirred for a period of time, are filtered through the multi-layer filter plate B14, and are finally discharged through the water discharge port B8 at the bottom in the third area B11.

The multi-layer filter plate B14 comprises an activated carbon layer, a purified water film and a separation plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the present invention with the building removed;

FIG. 4 is a schematic view of the sweeping mechanism of the present invention;

FIGS. 5-6 are schematic views of the sweeping mechanism of the present invention with the protective housing removed;

FIGS. 7-8 are schematic views of the structure of the water collecting mechanism of the present invention;

FIG. 9 is a front view of the water collection mechanism of the present invention;

FIG. 10 is a schematic structural view of the water distributing pipe and the water receiving bucket of the water collecting mechanism of the present invention;

FIG. 11 is a schematic structural view of the present invention;

FIG. 12 is a schematic view of the present invention with cover B2 removed;

FIG. 13 is a top view of the present invention with cover B2 removed;

FIG. 14 is a schematic structural view of a synchronizing mechanism B12 according to the present invention;

FIG. 15 is a front view of the synchronizing mechanism B12 of the present invention;

FIG. 16 is a schematic structural view of a dosing tube B4 according to the present invention;

FIG. 17 is a cross-sectional view A-A of FIG. 6;

FIG. 18 is a schematic view of another embodiment of a cartridge B4 according to the present invention;

fig. 19 is a schematic view showing the overall structure of the rainwater collecting and recycling system according to the present invention.

In the figure: 1. a building; 2. a parapet wall; 3. a cleaning mechanism; 301. a protective mask body; 302. a drive motor; 303. a fixing member; 304. a rotating member; 305. a swinging member; 306. a connecting member; 307. a brush; 4. a drain pipe; 5. a water collecting mechanism; 501. an L-shaped support bar; 502. a second header tank; 503. a water receiving hopper; 504. a water diversion pipe; 505. a circular shaft; 506. rotating the block; 507. a limiting block; 508. a rodless cylinder; 509. a gravity block; 510. a buoyancy block; 511. a limit switch; 512. a faucet; 513. rotating the disc; 514. a threaded shaft; 515. a water retaining sleeve; 6. a first header tank; 7. a flow guide block; 8. a filter screen; b1, a box body; b2, a cover plate; b3, a water inlet pipe; b4, a medicine feeding pipe; b4.1, a pipe body; b4.2, sliding rails; b4.3, a liquid outlet; b4.4, controlling the liquid outlet; b5, a stirring driving device; b6, a water pump; b7, a drain pipe; b8, a water outlet; b9, first region; b10, second area; b11, third area; b12, a synchronization mechanism; b12.1, a support plate; b12.2, a baffle; b12.3, a spring; b12.4, a telescopic rod; b12.5, a connecting rod; b13, a stirring device; b14, multilayer filter plate.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 10, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A rainwater collection, reuse and utilization system is shown in FIG. 19, and comprises a rainwater collection device and a rainwater reuse and utilization device; rainwater collection device collects rainwater to first water collection tank 6, and inlet tube B3 of rainwater reuse device connects in first water collection tank 6, and the rainwater that first water collection tank 6 collected gets into in the rainwater reuse device through inlet tube B3. It should be noted that, in actual use, the position of the water inlet pipe B3 needs to be set to be lower than the water outlet of the first water collecting tank 6, so that the rainwater in the first water collecting tank 6 can automatically flow into the rainwater recycling device.

As shown in fig. 1-3: rainwater collection device, including installing parapet 2 at 1 roof edge in building, the outlet has been seted up at the bottom of parapet 2's the wall, 1 side of building is posted drain pipe 4 tightly, drain pipe 4's top is fixed in the outlet and is installed filter screen 8 at drain pipe 4's tip, install cleaning mechanism 3 on parapet 2 side in addition on filter screen 8's the outer end, drain pipe 4's middle part runs through to have one to install the mechanism 5 that catchments in 1 side of building, first header tank 6 has been placed to lower extreme fixed under drain pipe 4's the bottom, be located the interior water outlet of drain pipe 4 of first header tank and install water conservancy diversion piece 7 under. The deflector block 7 is a cone. The rainwater collecting device adopts the layered water storage mechanism, so that users on each floor can use collected rainwater conveniently, and the top of the drainage pipe is additionally provided with the cleaning mechanism, so that the problem that the drainage is difficult because the drainage pipe is blocked by leaves and wastes on a roof can be prevented.

Before the rainwater collecting device is used, the second water collecting tank 502 is firstly placed on the L-shaped supporting rod 501, after the rainwater collecting device is placed, the threaded shaft 514 is rotated through the rotating discs 513 at the two ends until the rotating discs 513 at the two ends clamp the side faces of the second water collecting tank 502, finally, the drain pipe 4 penetrates through the water retaining sleeve 515 of the second water collecting tank 502, and other elements of the water collecting mechanism 5 are installed. After raining, the water from the roof passes through the filter screen 8 into the drain pipe 4 and finally drains into the first header tank 6 below.

As shown in fig. 4-6: the cleaning mechanism 3 comprises a protective cover body 301 which is fixedly arranged on the side surface of the parapet 2 at the top of the filter screen 8; and the swinging mechanism is arranged in the cover body 301 and is contacted with the surface of the filter screen 8.

The swing mechanism comprises a driving motor 302 which is arranged on the inner side surface of the protective cover body 301; a fixing member 303 fixedly installed on an inner top surface of the shield body 301; a rotation member 304 having one end fixedly mounted on a driving shaft of the driving motor 302; a swinging member 305 having one end rotatably connected to the fixed member 303 and the other end fixedly mounted with a brush 307; one end of the connecting member 306 is rotatably connected to the other end of the rotating member 304, and the other end of the connecting member 306 is slidably mounted in the swinging member 305. The swing mechanism in the mechanism is cleaned through reasonable design, the filter screen can be cleaned in time, and the problem that the filter screen and the drain pipe are blocked by leaves to cause difficulty in drainage is avoided.

The brush surface of the brush 307 contacts with the filter screen 8, the two side surfaces of the connecting piece 306 are provided with sliding grooves, and the brush is arranged on the inner side of the swinging piece 305 behind the strip-shaped groove arranged in the swinging piece 305 through the sliding grooves and keeps sliding connection.

The working principle of the cleaning mechanism 3 is as follows: the driving motor 302 rotates to drive the rotating member 304 to rotate continuously, and the connecting member 306 of the rotating member 304 moves continuously in the swinging member 305, so as to drive the swinging member to swing, and further drive the brush 307 to sweep the surface of the filter screen 8.

As shown in fig. 7-10: the water collecting mechanism 5 comprises two L-shaped support rods 501 which are fixedly arranged on the side surface of the building 1; a second water collecting tank 502 placed on the two support rods 501; one end of the water diversion pipe 504 is rotatably connected with the water drainage pipe 4 through penetration, the end part of the other end of the water diversion pipe 504 is fixedly connected to the end part of a circular shaft 505 which is arranged on the side surface of the second water collection tank 502 through a bearing, and the circumference of the water diversion pipe 504 at the outer end of the water drainage pipe 4 is provided with a water outlet; a water receiving bucket 503 installed on the circumferential surface of the water distribution pipe 504 inside the water discharge pipe 4; a rotating block 506 fixedly installed on the circular shaft 505 outside the second water collecting tank 502; a rodless cylinder 508 mounted on the outer side surface of the second water collection tank 502 at the same height as the circular shaft 505; a limiting block 507 fixedly mounted on the telescopic part of the rodless cylinder 508; a gravity block 509 which is slidably mounted on a slide rail arranged on the outer side of the second water collecting tank 502 between the rotating block 506 and the rodless cylinder 508; a buoyancy block 510 slidably mounted on an inner sidewall of the second header tank 502 by a dovetail-shaped slider; and a limit switch 511 installed at the top end of the inner sidewall of the second water collecting tank 502 corresponding to the buoyancy block 510.

The surface of the limiting block 507 opposite to the rotating block 506 is provided with a rectangular groove, the rotating block 506 is a cam with a sharp part, and the sharp part of the cam can be inserted into the rectangular groove of the limiting block 507. The water in the drainage pipe can be drained from the water distribution pipe into the second water collection tank at any time through the water distribution pipe in the water collection mechanism, the water receiving hoppers at the two ends of the water distribution pipe and the circular shaft which are reasonably designed.

The rotating block 506, the limiting block 507 and the rodless cylinder 508 outside the second water collecting tank are reasonably designed to facilitate the water receiving bucket 503 to receive water inside the water discharging pipe.

After the second water collecting tank can be guaranteed to be fully collected through reasonable design of the buoyancy block, the limit switch and the gravity block, the rotating block can automatically drive the water receiving hopper to rotate, and water receiving is closed.

A through hole for passing through the drain pipe 4 is opened in the second water collecting tank 502, and a water retaining sleeve 515 is hermetically installed at the through hole in the second water collecting tank 502. The bottom of the two side surfaces of the second water collecting tank 502 is respectively provided with a water tap 512.

A threaded hole is formed in one end of the L-shaped support rod 501, which supports the second water collecting tank 502, along the horizontal direction, a threaded shaft 514 is installed in the threaded hole, and a rotating disc 513 is installed at one end of the threaded shaft 514. The threaded shaft and the rotating disc on the support rod at the lower end of the second water collecting tank can be reasonably designed to ensure that the second water collecting tank can be stably placed on the support rod, so that the second water collecting tank is prevented from being blown down by strong wind to hurt people.

The rainwater reprocessing and utilizing device comprises a box body B1 and a cover plate B2, the interior of the box body B1 is divided into a first area B9, a second area B10 and a third area B11 through partition plates, a water inlet pipe B3 and a chemical feeding pipe B4 are respectively installed on the cover plate B2 at the upper end of the first area B9, a synchronizing mechanism B12 is further installed at the bottom end of the water inlet pipe B3 and the bottom end of the chemical feeding pipe B4 in the first area B9, a stirring device B13 is installed in the second area B10, the top of the stirring device B13 penetrates through the cover plate B2, a stirring driving device B5 is installed on the cover plate B2, and a plurality of filter plates B14 are installed in the third area B11, as shown in FIGS. 11-18. The automatic dosing device can realize automatic dosing, can add the dosing while adding water, can automatically close the dosing after the water adding is finished, can improve the rainwater purification quality, and reduces the labor intensity of workers.

The synchronizing mechanism B12 includes a support plate B12.1 fixedly mounted within the first region B9; the spring B12.3 is arranged on the supporting plate B12.1 corresponding to the pipe orifice of the water inlet pipe B3; a baffle B12.2 which is arranged at the top end of the spring B12.3 and is contacted with the tail end of the upper water inlet pipe B3; two telescopic rods B12.4 which are arranged at two sides of the spring B12.3 and are respectively fixed on the baffle B12.2 and the supporting plate B12.1; and the connecting rod B12.5 is fixedly arranged between the side end of the baffle B12.2 and the dosing pipe B4.

Through the spring B12.3 of the reasonable design synchronization mechanism B12, the baffle B12.2 can be ensured to rebound after the water adding is finished, and the liquid outlet control part B4.4 is driven to rise to realize automatic closing and dosing. The telescopic rod B12.4 in the synchronizing mechanism B12 can ensure that the baffle B12.2 can vertically lift without overturning.

The dosing tube B4 comprises a tube body B4.1, and the tail end of the tube body B4.1 is contacted with the supporting plate B12.1 and is blocked; the liquid outlet B4.3 is arranged on the pipe wall of the pipe body B4.1 with the same height as the spring B12.3; two slide rails B4.2 are respectively arranged on the inner walls of the tube body B4.1 at the two sides of the liquid outlet B4.3; the liquid outlet control part B4.4 is matched with the two slide rails B4.2 and is connected in the tube body B4.1 of the medicine adding tube B4 in a sliding way.

The reasonable design of the chemical feeding pipe B4 and the synchronizing mechanism B12 at the bottom of the water feeding pipe can ensure that the chemicals are fed while water is added.

The connecting rod B12.5 passes through the liquid outlet B4.3 of the tube B4.1 and is fixed on the side of the liquid outlet control member B4.4.

A through hole is formed in the bottom end of the partition plate between the first area B9 and the second area B10, water outlets are formed in the bottom of the rear side of the second area B10 and the top of the rear side of the third area B11 respectively, the outer end of each water outlet is connected with a water discharge pipe B7 and a water pump B6, and a water discharge port B8 is further formed in the bottom of the side face of the third area B11.

The first zone B9, the second zone B10 and the third zone B11 are the mixing zone, the stirring zone and the filtering zone.

The working principle of the rainwater reprocessing and utilizing device is as follows: the collected rainwater to be purified is conveyed by the water inlet pipe B3 to the water inlet pipe B3 to be discharged and hit on the baffle B12.2 of the synchronizing mechanism B12, the baffle B12.2 moves downwards due to the gravity of the water to drive the connecting rod B12.5 at the side end and the liquid outlet control part B4.4 of the medicine adding pipe B4 to move downwards, the medicine in the pipe body B4.1 of the medicine adding pipe B4 loses the blockage of the liquid outlet control part B4.4 and flows downwards to be discharged from the liquid outlet B4.3 at the side end, after the rainwater is discharged, the gravity of the water is lost by the baffle B12.2, the liquid outlet control part B4.4 is driven to ascend under the action of the spring B12.3 to block the liquid outlet B4.3, and the medicine adding is automatically closed.

Rainwater and liquid medicine enter the second area B10 through the through hole at the bottom end in the first area B9 to be stirred, are pumped into the third area B11 through the water pump B6 and the water discharge pipe B7 after being stirred for a period of time, are filtered by the multi-layer filter plate B14, and are finally discharged through the water discharge port B8 at the bottom in the third area B11.

An operation method of a rainwater collecting, reprocessing and utilizing system comprises an operation method of a rainwater collecting device and an operation method of a rainwater reprocessing and utilizing device; wherein the content of the first and second substances,

the operation method of the rainwater collecting device is as follows:

step 1, firstly, placing the second water collecting tank 502 on the L-shaped support rod 501, after placing, rotating the threaded shaft 514 through the rotating discs 513 at the two ends until the rotating discs 513 at the two ends clamp the side surface of the second water collecting tank 502, finally, passing the drain pipe 4 through the water retaining sleeve 515 of the second water collecting tank 502, and installing other parts of the water collecting mechanism 5 according to the above structure.

And 2, after raining, the water on the roof enters the water drainage pipe 4 through the filter screen 8 and finally drains into the first water collection tank 6 below.

Step 3, the cleaning mechanism 3 performs the cleaning operation, and the working mode is that the driving motor 302 rotates to drive the rotating member 304 to rotate continuously, and the connecting member 306 of the rotating member 304 moves continuously in the oscillating member 305, so that the oscillating member is driven to oscillate, and the brush 307 is driven to sweep the surface of the filter screen 8.

In step 1, the water collecting operation method of the water collecting mechanism 5 comprises the following steps:

when the second water collecting tank 502 is used for collecting water, the rotating block 506 is rotated firstly, the sharp part of the rotating block 506 points to the limiting block 507, the water receiving hopper 503 is arranged at the upper part of the water distribution pipe 504, the water outlet is arranged at the lower part of the water distribution pipe 504, then the rodless cylinder 508 is started to move, the sharp part of the rotating block 506 is inserted into the rectangular groove of the limiting block 507, then the gravity block 509 is inserted, the gravity block 509 slides down on the rotating block 506 under the action of the sliding rail, water can be collected, when the water level of the second water collecting tank 502 is about to overflow, the buoyancy block 510 rises to push the limiting switch 511, the limiting switch 511 controls the rodless cylinder 508 to move through an external circuit, the limiting block 507 is driven to move, the rotating block 506 loses the limiting of the limiting block 507, the rotating block rotates under the action of the gravity block 509, the water receiving hopper 503 is driven to rotate, water collection is stopped.

The use method of the rainwater reprocessing and utilizing device is as follows:

step 1, the collected rainwater to be purified is conveyed by the water inlet pipe 3 and is discharged from the water inlet pipe 3, the collected rainwater to be purified is hit on the baffle plate 12.2 of the synchronizing mechanism 12, the baffle plate 12.2 moves downwards due to the gravity of water to drive the connecting rod 12.5 at the side end and the liquid outlet control part 4.4 of the medicine adding pipe 4 to move downwards, and the medicine in the pipe body 4.1 of the medicine adding pipe 4 loses the blockage of the liquid outlet control part 4.4, flows downwards and is discharged from the liquid outlet 4.3 at the side end.

And 2, after the rainwater is drained, the baffle 12.2 rebounds upwards under the action of the spring 12.3 after losing the gravity of the water, so that the liquid outlet control part 4.4 is driven to ascend, the liquid outlet 4.3 is blocked, and the automatic closing and dosing are realized.

And 3, rainwater and liquid medicine enter the second area 10 through the through hole at the bottom end in the first area 9 to be stirred, are pumped into the third area 11 through the water pump 6 and the drain pipe 7 after being stirred for a period of time, are filtered by the multi-layer filter plate 14 and are finally discharged through the water outlet 8 at the bottom in the third area 11.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rainwater is collected and is reprocessed and utilize system which characterized in that: comprises a rainwater collecting device and a rainwater recycling device; the rainwater collecting device collects rainwater into the first water collecting tank (6), a water inlet pipe (B3) of the rainwater recycling device is connected to the first water collecting tank (6), and the rainwater collected by the first water collecting tank (6) enters the rainwater recycling device through the water inlet pipe (B3);

the rainwater collecting device comprises a parapet wall (2) arranged at the edge of the roof of the building (1), and a water outlet is formed in the wall bottom of the parapet wall (2); a drain pipe (4) is tightly attached to the side face of the building (1), the top end of the drain pipe (4) is fixed in a drain port, a filter screen (8) is installed at the end part of the drain pipe (4), a cleaning mechanism (3) installed on the side face of the parapet (2) is further arranged at the outer end of the filter screen (8), the cleaning mechanism (3) comprises a protective cover body (301) and is fixedly installed on the side face of the parapet (2) at the top of the filter screen (8); the cleaning mechanism (3) also comprises a swing mechanism which is arranged in the cover body (301) and is contacted with the surface of the filter screen (8); a water collecting mechanism (5) arranged on the side surface of the building (1) penetrates through the middle part of the drain pipe (4), a first water collecting tank (6) is fixedly arranged at the right lower end of the bottom of the drain pipe (4), and a conical flow guide block (7) is arranged at the right lower end of a water outlet of the drain pipe (4) in the first water collecting tank (6);

the rainwater retreating and utilizing device comprises a box body (B1) and a cover plate (B2), wherein the box body (B1) is internally divided into a first area (B9), a second area (B10) and a third area (B11) through a partition plate, a water inlet pipe (B3) and a chemical feeding pipe (B4) are respectively installed on the cover plate (B2) at the upper end of the first area (B9), a synchronizing mechanism (B12) is further installed at the bottom end of the water inlet pipe (B3) and the bottom end of the chemical feeding pipe (B4) in the first area (B9), a stirring device (B13) is installed in the second area (B10), the top of the stirring device (B13) penetrates through the cover plate (B2) and a stirring driving device (B5) is installed on the cover plate (B2), and a plurality of layers of filter plates (B14) are installed in the third area (B11);

the water collecting mechanism (5) comprises two L-shaped supporting rods (501) which are fixedly arranged on the side surface of the building (1); a threaded hole is formed in one end, supporting the second water collecting tank (502), of the L-shaped supporting rod (501) in the horizontal direction, a threaded shaft (514) is installed in the threaded hole, and a rotating disc (513) is installed at one end of the threaded shaft (514); a second water collecting tank (502) placed on the two support rods (501); a through hole for passing through the drain pipe (4) is formed in the second water collecting tank (502), and a water retaining sleeve (515) is hermetically installed in the through hole in the second water collecting tank (502); the bottoms of the two side surfaces of the second water collecting tank (502) are respectively provided with a water tap (512);

the water collecting mechanism (5) also comprises a water receiving hopper (503), and the water receiving hopper (503) is arranged on the circumferential surface of the water dividing pipe (504) in the water discharging pipe (4);

the water collecting mechanism (5) further comprises a water dividing pipe (504), one end of the water dividing pipe (504) is rotatably connected with the water discharging pipe (4) through penetration, the end part of the other end of the water dividing pipe (504) is fixedly connected to the end part of a circular shaft (505) arranged on the side surface of the second water collecting tank (502) through a bearing, and a water outlet is formed in the circumference of the water dividing pipe (504) at the outer end of the water discharging pipe (4);

the water collecting mechanism (5) also comprises a rotating block (506), and the rotating block (506) is fixedly arranged on a circular shaft (505) outside the second water collecting tank (502);

the water collecting mechanism (5) also comprises a rodless cylinder (508), and the rodless cylinder (508) and the round shaft (505) are arranged on the outer side surface of the second water collecting tank (502) in the same height;

the water collecting mechanism (5) also comprises a limiting block (507), and the limiting block (507) is fixedly arranged on the telescopic part of the rodless cylinder (508);

the water collecting mechanism (5) further comprises a gravity block (509), and the gravity block (509) is slidably mounted on a slide rail arranged on the outer side of the second water collecting tank (502) between the rotating block (506) and the rodless cylinder (508);

the water collecting mechanism (5) further comprises a buoyancy block (510), and the buoyancy block (510) is slidably mounted on the inner side wall of the second water collecting tank (502) through a dovetail-shaped sliding block;

the water collecting mechanism (5) also comprises a limit switch (511), and the limit switch (511) and the buoyancy block (510) are correspondingly arranged at the top end of the inner side wall of the second water collecting tank (502);

a rectangular groove is formed in the surface, opposite to the rotating block (506), of the limiting block (507), the rotating block (506) is a cam with a sharp part, and the sharp part of the cam can be inserted into the rectangular groove of the limiting block (507).

2. A rainwater collection, reprocessing and utilization system according to claim 1 and characterised in that: the swing mechanism comprises a driving motor (302), and the driving motor (302) is arranged on the inner side surface of the protective cover body (301); the swinging mechanism further comprises a fixed piece (303), a rotating piece (304), a swinging piece (305) and a connecting piece (306); the fixing piece (303) is fixedly arranged on the inner top surface of the protective cover body (301); one end of the rotating part (304) is fixedly arranged on a driving shaft of the driving motor (302); one end of the swinging piece (305) is rotatably connected to the fixed piece (303), and the other end of the swinging piece is fixedly provided with a brush (307); the brush surface of the brush (307) is contacted with the filter screen (8); one end of the connecting piece (306) is rotatably connected to the other end of the rotating piece (304), and the other end of the connecting piece (306) is slidably arranged in the swinging piece (305); the two side surfaces of the connecting piece (306) are provided with sliding grooves, and the connecting piece is arranged on the inner side of the swinging piece (305) behind the strip-shaped groove arranged in the swinging piece (305) through the sliding grooves and keeps sliding connection.

3. A rainwater collection, reprocessing and utilization system according to claim 1 and characterised in that: the synchronization mechanism (B12) comprises a support plate (B12.1) fixedly mounted in a first region (B9);

the synchronizing mechanism (B12) further comprises a spring (B12.3), and the spring (B12.3) and the nozzle of the water inlet pipe (B3) are correspondingly arranged on the supporting plate (B12.1);

the synchronizing mechanism (B12) further comprises a baffle plate (B12.2), and the baffle plate (B12.2) is arranged at the top end of the spring (B12.3) and is contacted with the tail end of the upper water inlet pipe (B3);

the synchronizing mechanism (B12) further comprises two telescopic rods (B12.4), wherein the telescopic rods (B12.4) are installed on two sides of the spring (B12.3) and are respectively fixed on the baffle (B12.2) and the supporting plate (B12.1);

the synchronizing mechanism (B12) further comprises a connecting rod (B12.5), and the connecting rod (B12.5) is fixedly arranged between the side end of the baffle (B12.2) and the dosing pipe (B4); the connecting rod (B12.5) penetrates through the liquid outlet (B4.3) of the pipe body (B4.1) and is fixed on the side face of the liquid outlet control part (B4.4).

4. A rainwater collection and reuse system according to claim 1, wherein said dosing pipe (B4) comprises a pipe body (B4.1), the end of the pipe body (B4.1) is contacted with the supporting plate (B12.1) and blocked;

the medicine feeding pipe (B4) further comprises a liquid outlet (B4.3), and the liquid outlet (B4.3) and the spring (B12.3) are arranged on the pipe wall of the pipe body (B4.1) in the same height;

the medicine feeding pipe (B4) further comprises two sliding rails (B4.2), and the sliding rails (B4.2) are respectively arranged on the inner walls of the pipe bodies (B4.1) at the two sides of the liquid outlet (B4.3);

the dosing tube (B4) further comprises a liquid outlet control piece (B4.4), and the liquid outlet control piece (B4.4) is matched with the two slide rails (B4.2) and is slidably connected inside the tube body (B4.1) of the dosing tube (B4).

5. A rainwater collecting, reprocessing and utilizing system according to claim 1 wherein said first area (B9) and said second area (B10) are provided with a through hole at the bottom of the partition plate, said second area (B10) is provided with a water outlet at the bottom of the rear side and said third area (B11) is provided with a water outlet at the top of the rear side, said water outlet is connected with a water drain pipe (B7) and a water pump (B6) at the outer end, said third area (B11) is further provided with a water drain (B8) at the bottom of the side.