CN111501903A

CN111501903A - Rainwater recycling system

Info

Publication number: CN111501903A
Application number: CN202010444268.XA
Authority: CN
Inventors: 高姣; 孙龙海
Original assignee: Jiangsu Suyi Design Group Co ltd
Current assignee: Jiangsu Suyi Design Group Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-08-07

Abstract

The invention discloses a rainwater recycling system, which belongs to the field of rainwater recycling and comprises a flow discarding module and a water collecting module, wherein initial rainwater is discharged through a flow discarding channel of the flow discarding module, and later rainwater is collected in a water collecting cavity of the water collecting module; abandon a class module and include that the bottom is equipped with the chamber of abandoning a class passageway, it is equipped with first retardation block and second retardation block to extend to the intracavity respectively to abandon the relative first chamber wall in chamber and second chamber wall, first retardation block and second retardation block are equipped with a plurality ofly, and misplace each other in height, and the region between each other forms the S type runner that has a plurality of corners. According to the invention, the slowing block is arranged, so that the initial rainwater deposited at the bottom of the drainage cavity is slightly disturbed, the polluted initial rainwater is prevented from entering the water collecting cavity, and the purity of the rainwater in the water collecting cavity is improved.

Description

Rainwater recycling system

Technical Field

The invention relates to the technical field of rainwater recycling, in particular to a rainwater recycling system.

Background

The recycling of rainwater has been a research direction for resource recycling. In areas with long rain intervals or poor air quality, the initial rainwater is often polluted due to the fact that pollutants in the air are dissolved, the recycling cost of the polluted initial rainwater is high, and the polluted initial rainwater is often treated in a flow discarding mode.

In the existing flow discarding mode, a flow discarding cavity is usually arranged, an overflowing water collecting channel is arranged at a certain height of the flow discarding cavity, and overflowing later stage rainwater is collected in the water collecting cavity through the water collecting channel. Current abandon a class chamber simple structure abandons the initial stage rainwater of class intracavity and receives the disturbance when great, if torrential rain or strong wind season, when the overflow, abandon the initial stage rainwater of the pollution of class chamber bottom and receive the disturbance easily and rise to through catchment passageway entering catchment intracavity, cause the pollution to clean later stage rainwater.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to solve the technical problems that: the utility model provides a thereby initial stage rainwater can not overflow to catchment passageway and pollute rainwater recovery system in clean later stage.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rainwater recycling system comprises a flow discarding module and a water collecting module, wherein initial rainwater is discharged through a flow discarding channel of the flow discarding module, and later rainwater is collected in a water collecting cavity of the water collecting module; the flow abandoning module comprises a flow abandoning cavity, the bottom of the flow abandoning cavity is provided with a flow abandoning channel, a first cavity wall and a second cavity wall which are opposite to the flow abandoning cavity respectively extend into the cavity and are provided with a first speed reducing block and a second speed reducing block, the first speed reducing block and the second speed reducing block are provided with a plurality of speed reducing blocks, the speed reducing blocks are staggered in height, and an S-shaped flow channel with a plurality of corners is formed in the area between the speed reducing blocks; the flow abandoning cavity further comprises a third cavity wall, the third cavity wall is respectively connected with the first cavity wall and the second cavity wall, a water collecting channel is arranged on the third cavity wall, and the water collecting channel is communicated with the water collecting cavity.

Beneficially or exemplarily, the lower surfaces of the first and second speed bump are provided with arc-shaped protrusions along the direction of the S-shaped flow passage.

Advantageously or exemplarily, a filter module is further arranged in the fluid abandoning cavity,

the filter module is including locating abandon the first filter screen of class chamber entrance, abandon the chamber wall near class chamber entrance and be equipped with the silt bin, the silt bin with abandon class chamber and pass through the via hole intercommunication, the via hole is equipped with the axis of rotation that is connected with the rotating electrical machines, the axis of rotation hub connection the one end of first filter screen, the axis of rotation still is connected with and extends into the one end of the second filter screen of silt bin, first filter screen and second filter screen parallel arrangement, the axis of rotation arrives the distance of the pore wall of via hole is greater than the length of first filter screen and second filter screen.

Beneficially or exemplarily, still include and wash away the subassembly, wash away the subassembly including locating the shower nozzle at silt case top, the shower nozzle is connected with and extends to the pipe that catchments the chamber bottom, be equipped with the water pump on the pipe, silt case portion of via hole below is the chamber is collected to silt, the shower nozzle is to being in filter screen water spray in the silt case, wash away the attached silt on the filter screen in the silt case.

Advantageously or exemplarily, the side of the silt box is provided with a silt discharge port.

Advantageously or exemplarily, the opening of the drainage chamber is inclined outwards, and a guide plate inclined inwards is arranged close to the chamber wall of the first filter screen.

Advantageously or exemplarily, the water collecting channel is communicated with the side wall of the water collecting cavity, and an extension section is arranged in the water collecting cavity along the water collecting channel;

the water collecting cavity is internally provided with a floating ball, the upper end of the floating ball is connected with a transmission rod, the transmission rod is connected with a sliding block which is connected in a sliding groove at the lower end of the extension section in a sliding manner, the sliding block is connected with a rack which is arranged in the sliding groove, the rack is meshed with a gear, one side of the gear is meshed with a division bar, the division bar is perpendicular to the vertical arrangement of the water collecting channel, and the upper end of the division bar extends to the bottom surface of the water collecting channel.

Beneficially or exemplarily, the floating ball is arranged in a vertical pipe, the lower end of the vertical pipe is fixed on the bottom wall of the water collecting cavity, the pipe wall of the vertical pipe is provided with a strip-shaped groove communicated with the vertical cavity, and the vertical pipe is positioned on the right side of the extension section.

The invention has the beneficial effects that:

according to the invention, the retarding blocks are arranged, and the zigzag S-shaped flow channel is formed between the retarding blocks, so that the deposition speed of rainwater in the flow discarding cavity is slowed down, the disturbance of the rainwater in the flow discarding cavity is small in the overflow process, the initial rainwater deposited at the bottom of the flow discarding cavity is small in disturbance and is difficult to float to the overflow water collecting channel, thus the polluted initial rainwater is prevented from entering the water collecting cavity, and the purity of the rainwater in the water collecting cavity is improved.

Drawings

Fig. 1 is an overall sectional view of a rainwater recycling system according to an embodiment of the present invention.

Fig. 2 is a sectional view of another angle of a rainwater recycling system according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2 of a rainwater recycling system according to an embodiment of the present invention.

In the figure:

1-a flow abandoning module; 11-a flow abandoning channel; 12-a flow abandoning cavity; 13-a first chamber wall; 14-a second chamber wall; 15-first retarder block; 16-a second retarder block; 17-S type flow channel; 171-a projection; 18-a third chamber wall; 19-a reject stream valve; 191-a pressure sensor; 2-a water collecting module; 21-a water collecting channel; 22-a water collecting cavity; 23-an extension; 24-a vertical tube; 25-a strip-shaped groove; 3-a filtration module; 31-a first filter; 32-a silt bin; 33-a via hole; 34-a rotating shaft; 35-a second filter screen; 36-a silt collection chamber; 37-a baffle; 38-silt discharge port; 4-flushing the component; 41-a spray head; 42-a catheter; 43-a water pump; 5-floating ball; 51-a transmission rod; 52-a chute; 53-sliding block; 54-a rack; 55-gear; 56-parting bead.

Detailed Description

As shown in fig. 1-3, a rainwater recycling system includes a flow discarding module 1 and a water collecting module 2, wherein initial rainwater is discharged through a flow discarding channel 11 of the flow discarding module 1, and later rainwater is collected in a water collecting cavity 22 of the water collecting module 2; the flow abandoning module 1 comprises a flow abandoning cavity 12 with a flow abandoning channel 11 at the bottom, a first cavity wall 13 and a second cavity wall 14 which are opposite to the flow abandoning cavity 12 extend into the cavity and are provided with a first retarding block 15 and a second retarding block 16 respectively, the first retarding block 15 and the second retarding block 16 are provided with a plurality of blocks which are staggered in height, and an S-shaped flow passage 17 with a plurality of corners is formed in the area between the blocks; the waste flow cavity 12 further comprises a third cavity wall 18, the third cavity wall 18 is respectively connected with the first cavity wall 13 and the second cavity wall 14, a water collecting channel 21 is arranged on the third cavity wall 18, and the water collecting channel 21 is communicated with the water collecting cavity 22.

When rainwater is collected, the rainwater flows in from the inlet of the flow discarding cavity 12 and then meets the first and second

speed reducing blocks

15 and 16 extending from the first and

second cavity walls

13 and 14, and the rainwater flows into the S-shaped channel 17 and then is deposited in the flow discarding cavity 12.

Due to the S-shaped flow channel 17, the vertical flow of the rainwater is blocked, the vertical speed is low, and the deposition speed is low. During the deposition process, the initial rainwater is deposited at the bottom of the flow discarding cavity 12 through the S-shaped flow passage 17. When the height of the rainwater in the drainage chamber 12 reaches the bottom of the water collecting channel 21, the pollutants in the rainwater are considered to be less, and the rainwater is clean and later-period rainwater meeting the collection standard. At this moment, later stage rainwater subsides through S type runner 17, overflows to catchment chamber 22 in catchment passageway 21, when abandoning class chamber 12 in, later stage rainwater' S vertical velocity is low, and is less to the initial stage rainwater disturbance of having depositional, and initial stage rainwater can not come up to catchment passageway 21 department.

This embodiment, through setting up the speed slowing piece, form tortuous S type runner 17 between the speed slowing piece to slow down the rainwater and abandon the sedimentation rate of flowing in chamber 12, at the in-process of overflow, the rainwater disturbance of abandoning flowing in chamber 12 is less, and the deposit is little in the disturbance that the initial stage rainwater of abandoning flowing in chamber 12 bottom received, is difficult to come up to the water collection passageway 21 department of overflow, thereby avoids the initial stage rainwater that receives the pollution to get into in the chamber 22 that catchments, has improved the purity of the interior rainwater of chamber 22 that catchments.

In one embodiment, to further reduce the deposition rate of rainwater in the drainage chamber 12, the lower surfaces of the first and

second retarders

15 and 16 are provided with arc-shaped protrusions 171 along the direction of the S-shaped flow channel 17.

The protrusion 171 of the present embodiment is disposed on the lower surfaces of the first and

second retardation blocks

15 and 16, that is, the upper surface of the S-shaped flow channel 17, and under the action of gravity, the S-shaped flow channel 17 will not be blocked, and rainwater retention will not be caused, and the flow speed of rainwater in the S-shaped flow channel 17 can be effectively reduced, so as to further reduce the mechanical energy of rainwater, and further reduce the deposition speed.

In one embodiment, a flow abandoning valve 19 is arranged in the flow abandoning channel 11, the flow abandoning valve 19 is connected with a pressure sensor 191 arranged at the bottom of the flow abandoning chamber 12 and a processor, and the processor controls the flow abandoning valve 19 to be opened to a preset opening degree when the pressure collected by the pressure sensor 191 is smaller than a preset pressure, and otherwise controls the flow abandoning valve 19 to be closed; the preset opening degree is configured to: when the abandoning valve 19 is at a preset opening, the descending speed of the water level of the abandoning cavity 12 is greater than that of light rain and is smaller than that of the water level of the abandoning cavity 12 in medium rain; the water level descending speed of the waste flow cavity 12 is 0 m/s; the preset pressure is configured to: the pressure value when the water level of the waste flow cavity 12 reaches the preset height.

The predetermined height is between the water collecting channel 21 and the bottom of the drainage chamber 12.

Further, the rainwater monitoring device further comprises a rainwater detector connected with the processor, when the rainwater detector detects that no rain exists in a period of time, the processor controls the opening of the flow abandoning valve 19, and when the rainwater detector detects that rain exists, the processor opens the flow abandoning valve 19 to a preset opening degree and receives data of the pressure sensor 191.

In order to ensure the relation between the flow of the abandoning valve 19 and the reduction of the water level in the abandoning chamber 12, the size of the abandoning chamber 12 is adaptively designed, so that the abandoning valve 19 can reach a preset opening degree and a second preset opening degree. In a further embodiment, the opening of the drainage chamber 12 is inclined outwards to obtain a larger amount of rain, facilitating the drainage valve 19 to obtain a preset opening.

Light rain is generally short-lived and the amount of rain is not much, so the degree of pollution is relatively high. In the embodiment, the preset opening of the flow abandoning valve 19 is set, so that rainwater in the process of collecting light rain is abandoned, and the polluted light rain is prevented from being collected to influence the cleanliness of the water collecting cavity 22. Meanwhile, when the rainfall is large, the polluted initial rainwater is continuously discharged through the waste flow valve 19, so that the initial rainwater stored in the waste flow chamber 12 is reduced, and the volume of the waste flow chamber 12 can be further reduced. When the rainwater amount in the rainwater discarding cavity 12 reaches the preset height, the rainwater cleanliness is considered to be higher at the moment and is later-stage rainwater meeting the collection requirement, the rainwater discarding valve 19 is closed at the moment, rainwater starts to be collected through overflow, and the rainwater cleanliness in the rainwater collecting cavity 22 is ensured.

In an embodiment, it still is provided with filter module 3 in chamber 12 to abandon, filter module 3 is including locating abandon the first filter screen 31 of chamber 12 entrance, it is equipped with silt box 32 to abandon near the chamber wall of chamber 12 entrance, silt box 32 with abandon chamber 12 and pass through the via hole 33 intercommunication, the via hole 33 is equipped with the axis of rotation 34 that is connected with the rotating electrical machines, axis of rotation 34 is connected the one end of first filter screen 31, axis of rotation 34 still is connected with and extends into the one end of the second filter screen 35 of silt box 32, first filter screen 31 and second filter screen 35 parallel arrangement, axis of rotation 34 arrives the distance of the pore wall of via hole 33 is greater than the length of first filter screen 31 and second filter screen 35.

Generally, rainwater is filtered because the rainwater is contaminated with attachments such as silt and affects the cleanliness of the rainwater. When the same filter screen is used for filtering for a long time, the filter screen filters out more attachments such as silt, and the like, so that blockage is easily caused, and rainwater cannot be collected. Therefore, the filter screen needs to be replaced.

In this embodiment, use first filter screen 31 to filter earlier, after filtering a period, start the rotating electrical machines, axis of rotation 34 is rotatory for half a week for first filter screen 31 is rotatory to silt case 32 in, and with the relative second filter screen 35 of first filter screen 31 is rotatory to abandoning the entrance of class chamber 12, rotatory back, first filter screen 31's filtering surface is down, and under the effect of gravity, adnexed silt drops in silt case 32, thereby realizes first filter screen 31's clearance. After the second filter 35 is used for a period of time, the rotating motor is started again, the rotating shaft 34 rotates the first filter 31 to the inlet of the fluid discarding chamber 12 again, and the second filter 35 enters the silt box 32 for cleaning.

This embodiment, the filter screen is changed in the periodic rotation, can effectively get rid of the silt attachment of rainwater, is difficult for causing the jam simultaneously.

In an embodiment, still including scouring assembly 4, scouring assembly 4 is including locating the shower nozzle 41 at silt box 32 top, shower nozzle 41 is connected with and extends to the pipe 42 that catchments the chamber 22 bottom, be equipped with water pump 43 on the pipe 42, chamber 36 is collected for silt to silt box 32 part of via hole 33 below, shower nozzle 41 is to being in filter screen water spray in silt box 32 erodees adnexed silt on the filter screen in silt box 32.

To further clean the filter screens in the silt chamber 32, a flushing assembly 4 is provided.

In this embodiment, rainwater in the water collecting cavity 22 is utilized to wash away the filter screen in the silt box 32 through the water pump 43, and the washed silt is gathered in the silt collecting cavity 36, so that the cleaning effect of the filter screen is further improved.

The cleaned rainwater collects with the silt in the silt collection chamber 36.

In one embodiment, silt discharge ports 38 are provided in the sides of the silt box 32.

After a period of use, silt discharge port 38 is opened and the rainwater and silt in silt collection chamber 36 are discharged through silt discharge port 38.

In one embodiment, the opening of the drainage chamber 12 is inclined outwards, and a baffle 37 inclined inwards is arranged near the wall of the first filter 31.

This embodiment, because guide plate 37's water conservancy diversion effect, can effectively prevent the rainwater to enter into silt case 32 in, prevent that the rainwater from not gathering chamber 36 discharges through the silt that directly passes through in silt case 32 to catchment chamber 22 through abandoning the chamber 12 overflow.

In one embodiment, the water collecting channel 21 is communicated with the side wall of the water collecting cavity 22, and an extension section 23 is arranged in the water collecting cavity 22 along the water collecting channel 21; the water collecting cavity 22 is internally provided with a floating ball 5, the upper end of the floating ball 5 is connected with a transmission rod 51, the transmission rod 51 is connected with a sliding block 53 which is connected in a sliding groove 52 at the lower end of the extension section 23 in a sliding manner, the sliding block 53 is connected with a rack 54 which is arranged in the sliding groove 52, the rack 54 is meshed with a gear 55, one side of the gear 55 is meshed with a division bar 56, the division bar 56 is vertical to the water collecting channel 21, and the upper end of the division bar extends to the bottom surface of the water collecting channel 21.

In the continuous rainfall process, along with the gradual increase of rainwater, the rainwater level in the water collecting cavity 22 gradually rises, and when the water level in the water collecting cavity 22 reaches the height of the water collecting channel 21, backflow is easily caused, so that rainwater in the drainage cavity 12 and the water collecting cavity 22 are mixed, and the rainwater in the water collecting cavity 22 is polluted. Therefore, when the water level in the water collecting chamber 22 rises to a certain height, the overflow amount of rainwater is reduced.

In this embodiment, when the water level rises, the floating ball 5 floats upwards, the transmission rod 51 pushes the sliding block 53 to slide leftwards, the gear 55 is driven by the rack 54 to rotate, the gear 55 rotates to drive the partition bar 56 to extend towards the water collecting channel 21, so that overflow is blocked, the water level rise of the water collecting cavity 22 is slowed down or blocked, and rainwater in the drainage cavity 12 and the water collecting cavity 22 is prevented from mixing. The blocking effect of the partition bar 56 becomes more obvious as the water level rises until the water level rises to a certain height, and the partition bar 56 completely blocks the water collecting passage 21, so that the water level does not rise any more.

Preferably, a sealing strip is provided between the division bar 56 and the water collecting channel 21 to prevent rainwater from penetrating.

In one embodiment, the floating ball 5 is disposed in a vertical pipe 24, the lower end of the vertical pipe 24 is fixed to the bottom wall of the water collecting cavity 22, a strip-shaped groove 25 communicated with the vertical cavity 22 is disposed on the pipe wall of the vertical pipe 24, the transmission rod 51 passes through the strip-shaped groove 25, and the vertical pipe 24 is located on the right side of the extension section 23.

Preferably, the strip-shaped groove 25 is provided with a plurality of strips to ensure that the water level in the vertical pipe 24 is synchronous with the water level in the water collecting cavity 22.

In this embodiment, the vertical pipe 24 defines the position of the float ball 5 so that it can float up or down only in the vertical direction, and prevents the float ball 5 from floating to a position where the transmission lever 51 cannot push the slide block 53.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The rainwater recycling system is characterized by comprising a flow discarding module (1) and a water collecting module (2), wherein initial rainwater is discharged through a flow discarding channel (11) of the flow discarding module (1), and later rainwater is collected in a water collecting cavity (22) of the water collecting module (2);

the flow abandoning module (1) comprises a flow abandoning cavity (12) with a flow abandoning channel (11) at the bottom, a first cavity wall (13) and a second cavity wall (14) which are opposite to the flow abandoning cavity (12) respectively extend into the cavity and are provided with a first retarding block (15) and a second retarding block (16), the first retarding block (15) and the second retarding block (16) are provided with a plurality of blocks which are staggered with each other in height, and an S-shaped flow channel (17) with a plurality of corners is formed in the area between the blocks;

the flow abandoning cavity (12) further comprises a third cavity wall (18), the third cavity wall (18) is respectively connected with the first cavity wall (13) and the second cavity wall (14), a water collecting channel (21) is arranged on the third cavity wall (18), and the water collecting channel (21) is communicated with the water collecting cavity (22).

2. A rainwater recycling system according to claim 1, wherein the lower surfaces of said first and second retarders (15, 16) are provided with arc-shaped protrusions (171) in the direction of said S-shaped flow channel (17).

3. A rainwater recycling system according to claim 1, characterized in that a filtering module (3) is further arranged in said drainage chamber (12),

the filter module (3) comprises a first filter screen (31) arranged at the inlet of the abandon cavity (12), a silt box (32) is arranged on the wall near the inlet of the abandon cavity (12), the silt box (32) is communicated with the abandon cavity (12) through a via hole (33), the via hole (33) is provided with a rotating shaft (34) connected with a rotating motor, the rotating shaft (34) is connected with one end of the first filter screen (31),

rotation axis (34) still are connected with and extend into the one end of second filter screen (35) of silt case (32), first filter screen (31) and second filter screen (35) parallel arrangement, rotation axis (34) are arrived the distance of the pore wall of via hole (33) is greater than the length of first filter screen (31) and second filter screen (35).

4. A rainwater recycling system according to claim 3, characterized in that it further comprises a flushing assembly (4), said flushing assembly (4) comprises a spray head (41) arranged on the top of said silt box (32), said spray head (41) is connected with a conduit (42) extending to the bottom of said water collecting chamber (22), said conduit (42) is provided with a water pump (43),

chamber (36) is collected for silt to silt case (32) part of via hole (33) below, shower nozzle (41) are to being in filter screen water spray in silt case (32) erodes adnexed silt on the filter screen in silt case (32).

5. A rainwater recycling system according to claim 4, characterized in that the silt box (32) is provided with silt outlets (38) at its sides.

6. A rainwater recycling system according to claim 3, characterized in that the opening of said drainage chamber (12) is inclined outwards, and a deflector (37) inclined inwards is provided adjacent to the wall of said first filter (31).

7. A rainwater recycling system according to claim 1, characterized in that said water collecting channel (21) communicates with the side wall of said water collecting chamber (22), and an extension (23) is provided along said water collecting channel (21) to said water collecting chamber (22);

the improved water collecting device is characterized in that a floating ball (5) is arranged in the water collecting cavity (22), the upper end of the floating ball (5) is connected with a transmission rod (51), the transmission rod (51) is connected with a sliding block (53) in a sliding groove (52) at the lower end of the extending section (23), the sliding block (53) is connected with a rack (54) arranged in the sliding groove (52), the rack (54) is meshed with a gear (55), one side of the gear (55) is meshed with a partition bar (56), the partition bar (56) is perpendicular to the vertical arrangement of the water collecting channel (21), and the upper end of the partition bar extends to the bottom surface of the water collecting channel (21).

8. A rainwater recycling system according to claim 7, characterized in that said floating ball (5) is arranged in a vertical pipe (24), the lower end of said vertical pipe (24) is fixed to the bottom wall of said water collecting chamber (22), the pipe wall of said vertical pipe (24) is provided with a strip-shaped groove (25) communicating with said vertical chamber (22), and said vertical pipe (24) is located on the right side of said extension section (23).