CN114232754A - Rainwater overflow device - Google Patents
Rainwater overflow device Download PDFInfo
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- CN114232754A CN114232754A CN202111662803.XA CN202111662803A CN114232754A CN 114232754 A CN114232754 A CN 114232754A CN 202111662803 A CN202111662803 A CN 202111662803A CN 114232754 A CN114232754 A CN 114232754A
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- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 67
- 230000001954 sterilising effect Effects 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 230000002147 killing effect Effects 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 8
- 241001464837 Viridiplantae Species 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000249 desinfective effect Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
A rainwater overflow device comprises a rainwater collection processing unit, a filtering and disinfecting unit, a drainage unit and an electric control chamber, wherein the part of the rainwater collection processing unit is located underground, the part of the rainwater collection processing unit is exposed out of the ground, the part of the filtering and disinfecting unit is communicated with the rainwater collection processing unit, the top of the filtering and disinfecting unit is exposed out of the ground, the drainage unit is connected with the part of the filtering and disinfecting unit into a whole, and the electric control chamber is fixedly located in the rainwater collection processing unit and connected with a power supply. The design has the advantages of long water storage time and capability of filtering, disinfecting and treating.
Description
Technical Field
The invention relates to the field of rainwater treatment, in particular to a rainwater overflow device capable of overflowing rainwater and filtering the rainwater.
Background
The rainwater overflow mouth is one of the ways that a large amount of rainwater got into municipal rainwater pipeline in the sponge city greenery patches that form behind the rainfall, and present rainwater overflow mouth is mostly only as the mouth of pipe and the pipeline that the rainwater got into municipal rainwater pipeline, in the rainfall process of great rainfall amount, a large amount of rainwater that has impurity and silt gets into municipal rainwater pipeline through the rainwater overflow mouth, still cause huge obstacle to the smooth and easy drainage of municipal rainwater pipeline, on the other hand, the rainwater that has silt gets into municipal rainwater pipeline after, silt also causes certain trouble to follow-up initial stage rainwater processing, the maintenance pressure of municipal rainwater pipeline has aggravated more, the turbidity of river course has been increased.
Disclosure of Invention
The invention aims to provide a rainwater overflow device which has long water storage time and can carry out filtering, disinfecting and killing treatment.
In order to solve the technical problems, the invention adopts the following technical scheme: a rainwater overflow device comprises a rainwater collection processing unit, a filtering and disinfecting unit, a drainage unit and an electric control chamber, wherein the rainwater collection processing unit is partially arranged underground and partially exposed out of the ground;
the rain collecting processing unit comprises a hollow inverted-pyramid-shaped open lower shell, a hollow inverted-pyramid-shaped upper shell and a separator, wherein the hollow inverted-pyramid-shaped open lower shell is arranged underground and internally in the rain collecting processing unit, the hollow inverted-pyramid-shaped upper shell is exposed out of the ground and detachably connected to the opening edge of the lower shell in a sealing manner, the separator is arranged in a space formed by the lower shell and the upper shell, a liquid collecting hopper with a liquid collecting outlet formed in the bottom is arranged inside the upper shell, the upper edge of the liquid collecting hopper is fixedly connected with the inner wall of the upper shell, a flow sensor electrically connected with an electric control chamber is arranged at the position of the liquid collecting outlet, a plurality of longitudinally-arranged kidney-shaped holes are formed in the side wall of the upper shell corresponding to the upper edge of the liquid collecting hopper, a large-aperture stainless steel filter screen is fixedly arranged in the kidney-shaped holes, a dustpan-shaped dirt placing hopper is fixedly connected to the position of the inner side wall of the upper shell corresponding to the lower edge of the liquid collecting hopper and close to the lower edge of the upper shell, and the opening of the dirt placing hopper is obliquely arranged at the liquid collecting outlet, the device comprises an upper shell, a lower shell, a dirt storage tank, a filter, a filtering and sterilizing unit, a dirt removing door, a separator, a filtering and sterilizing unit and a filtering and sterilizing unit, wherein the dirt removing door capable of being turned upwards is arranged on the outer wall of the upper shell corresponding to a dirt placing hopper, a long strip-shaped dirt storage tank with a semicircular longitudinal section is arranged at the bottom of the lower shell, the separator is erected above the dirt storage tank, the bottom of the separator is positioned above the dirt storage tank, the top of the separator is positioned below a liquid collecting outlet, an overflow port is reserved between the bottom of the separator and the inner wall of the lower shell, the side wall of the lower shell, which is close to the upper edge, is provided with at least one liquid outlet and is communicated with the filtering and sterilizing unit through at least one liquid outlet pipe, and the liquid level of rainwater between the separator and the inner wall of the lower shell rises to the liquid outlet and then enters the filtering and sterilizing unit through the liquid outlet pipe;
the separator comprises a cylindrical body with a hollow inner part, a roller group which is arranged in the body and driven by a motor to rotate towards the sewage holding bucket, a transmission strip which is sleeved on the roller group and driven by the roller group to be matched for transmission, and a filtering bag which is fixedly arranged on the transmission strip at even intervals, wherein the filtering bag comprises a main rod fixedly connected with the transmission strip, an elastic steel ring fixedly connected with the main rod, and a spherical hard bag net connected below the steel ring, the electric control chamber controls the motor to start after obtaining a flow signal generated by the flow sensor, the roller group starts to rotate under the drive of the motor and drives the transmission strip to rotate so as to drive the filtering bag to move towards the sewage holding bucket from bottom to top, the filtering bag filters partial sludge in the sewage storage tank and simultaneously filters rainwater discharged from a liquid collecting outlet, finally the sludge is poured into the sewage holding bucket and enters the next cycle, and the flow sensor stops providing the flow signal after the rain stops, the electric control room controls the motor to be turned off so that the roller group stops rotating;
the filtering and sterilizing unit is communicated with the lower shell through a liquid outlet pipe and comprises a liquid inlet communicated with the liquid outlet pipe, a plurality of layers of replaceable filtering bodies positioned below the liquid inlet, a sterilizing cage with the bottom penetrating through the lowest filtering body and communicated with the ground surface, and a water outlet positioned below the filtering bodies, wherein a soluble sterilizing preparation thrown into the sterilizing cage from the ground surface is filled in the sterilizing cage, and the filtering bodies cannot enter the sterilizing cage;
the interior of the drainage unit is communicated with the water outlet, the top of the drainage unit is communicated with the ground surface, the top of the drainage unit is provided with a ventilation cover, the position of the side wall of the drainage unit, which is lower than the water outlet, is provided with a waste flow port communicated with an underground drainage pipe through a waste flow pipe, the flow abandoning pipe is provided with a one-way valve which is controlled to be switched by an electric control room, the position of the flow abandoning port is fixedly provided with a vertically arranged columnar hollowed buoyancy induction column, the top of the buoyancy sensing column is flush with the lowest position of the drainage port, an internal hollow floating ball is arranged in the buoyancy sensing column, a trigger block connected with an electric control chamber through a circuit is fixedly arranged at the internal top, under the action of the buoyancy of rainwater treated in the drainage unit, the floating ball floats up and down in the buoyancy sensing column, a buoyancy signal generated by the trigger block after the floating ball collides with the trigger block is obtained by the electric control chamber and controls the one-way valve to be opened, and the electric control chamber controls the one-way valve to be closed after the buoyancy signal separated from the floating ball by the trigger block disappears.
Furthermore, the electric control chamber is fixedly connected to the top in the upper shell, the inner diameter of the steel ring is larger than that of the liquid collection outlet, and the circle of the steel ring coincides with the circle of the liquid collection outlet.
Furthermore, the sterilizing cage is spirally distributed from top to bottom, a clapboard with holes is fixedly arranged above the liquid inlet, planting soil is arranged between the clapboard and the top in the filtering sterilizing unit, and planting holes and green plants are drilled at the top of the filtering sterilizing unit.
The invention has the beneficial effects that: compared with the prior art, the rainwater collection and pretreatment device has the advantages that rainwater is collected and pretreated in the rainwater collection treatment unit, rainwater is separated from fixed particles and silt, the rainwater is pretreated by the filtration and disinfection unit and is physically filtered and chemically disinfected, the treated rainwater is obtained and is discharged into the drainage unit, the time of the rainwater staying in the whole device is prolonged, the treatment process is fast and efficient, the rainwater amount entering an underground drainage pipe is reduced, on the other hand, the electric control chamber and the flow sensor at the position of the liquid collection outlet work cooperatively, so that the separator can be opened and closed according to the flow signal obtained by the liquid collection outlet of the electric control chamber to perform efficient rainwater pretreatment, and in the drainage unit, when the water inflow of the drainage unit in unit time is excessive, under the action of the buoyancy of rainwater, the floating ball in the buoyancy sensing column arranged at the position of the abandoning outlet touches the triggering block, so that the electric control chamber obtains the buoyancy signal and controls the one-way valve to open the drainage unit to enable the drainage unit Too much rainwater is drained into the underground drainage pipe through the drainage pipe, similarly, after part of rainwater is drained, the floating ball is separated from the trigger block, the electric control chamber controls the one-way valve to be closed after the buoyancy signal is not obtained, and the design enables most of treated rainwater to naturally evaporate out of the whole device in the drainage unit, so that the rainwater is drained into the underground drainage pipe, and meanwhile, the drainage pressure of the underground drainage pipe is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of a rainwater overflow device.
Fig. 2 is an internal structure schematic diagram of the working state of the rainwater overflow device.
Fig. 3 is a partial cross-sectional view of the separator.
FIG. 4 is a partial cross-sectional view of the buoyancy sensing column, float ball, trigger block.
Detailed Description
In order to make the technical means, innovative features and functions of the present invention easy to understand, the present invention will be further described below.
As shown in fig. 1-4, the rainwater overflow device of the present invention comprises a rainwater collection processing unit 1 partially located underground and partially exposed to the ground, a filtration killing unit 2 communicated with the rainwater collection processing unit 1 and partially exposed to the ground at the top, a drainage unit 3 integrally connected with the filtration killing unit 2, and an electric control chamber 7 fixedly located in the rainwater collection processing unit 1 and connected with a power supply;
the rain collecting and processing unit 1 comprises a hollow inverted-frustum-shaped open lower shell 4 which is positioned underground and is internally hollow, a hollow inverted-frustum-shaped upper shell 5 which is exposed on the ground surface and detachably connected with the edge of the opening of the lower shell 4 in a sealing manner, and a separator 6 which is positioned in a space formed by the lower shell 4 and the upper shell 5, wherein a liquid collecting hopper 5.3 with a liquid collecting outlet at the bottom is arranged inside the upper shell 5, the upper edge of the liquid collecting hopper 5.3 is fixedly connected with the inner wall of the upper shell 5, a flow sensor which is electrically connected with an electric control chamber is arranged at the liquid collecting outlet, a plurality of longitudinally arranged waist-shaped holes 5.1 are arranged on the side wall of the upper shell 5 corresponding to the upper edge of the liquid collecting hopper 5.3, a large-aperture stainless steel filter screen can be fixedly arranged in each waist-shaped hole 5.1, and a dustpan-shaped dirt placing hopper 5.2 is fixedly connected to the position, which corresponds to the lower edge of the upper shell 5.3 and is close to the lower edge of the upper shell 5, the device is characterized in that an opening of the dirt containing hopper 5.2 is obliquely arranged at a liquid collecting outlet, a dirt cleaning door 5.4 which can be turned upwards is arranged on the outer wall of the upper shell 5 corresponding to the dirt containing hopper 5.2, a long-strip-shaped dirt storage tank 4.1 with a semicircular longitudinal section is arranged at the bottom of the lower shell 4, a separator 6 is erected above the dirt storage tank 4.1, the bottom of the separator 6 is positioned above the dirt storage tank 4.1, the top of the separator 6 is positioned below the liquid collecting outlet, an overflow port is reserved between the bottom of the separator 6 and the inner wall of the lower shell 4, at least one liquid outlet is arranged on the side wall of the lower shell 4 near the upper edge and is communicated with the filtering and disinfecting unit 2 through at least one liquid outlet pipe 4.2, and rainwater between the separator 6 and the inner wall of the lower shell 4 rises to the liquid outlet and then enters the filtering and disinfecting unit 2 through the liquid outlet pipe 4.2;
the separator 6 comprises a cylindrical body 6.1 with a hollow inner part, a roller group 6.2 which is arranged in the body 6.1 and is driven by a motor to rotate towards the sewage storage hopper 5.2, a transmission bar 6.3 which is sleeved on the roller group 6.2 and is driven by the roller group 6.2 to be matched for transmission, and filter bags 6.4 which are fixedly arranged on the transmission bar 6.3 at even intervals, wherein the filter bags 6.4 comprise a main bar fixedly connected with the transmission bar 6.3, an elastic steel ring fixedly connected with the main bar, and a spherical hard bag net connected below the steel ring, the electric control chamber 7 controls the motor to be started after obtaining a flow signal generated by the flow sensor, the roller group 6.2 starts to rotate under the driving of the motor and drives the transmission bar 6.3 to rotate so as to drive the filter bag 6.4 to move towards the sewage storage hopper 5.2 from bottom to top, the filter bag 6.4 takes out part of sludge in the sewage storage tank 4.1 and filters rainwater discharged from a liquid collection outlet at the same time, and finally pours the sludge into the sewage storage hopper 5.2 and enters a next circulation, after the flow sensor stops providing flow signals after the rain stops, the electric control room 7 controls the motor to be turned off, and then the roller set 6.2 stops rotating;
the filtering and sterilizing unit 2 is communicated with the interior of the lower shell 4 through a liquid outlet pipe 4.2, the filtering and sterilizing unit 2 comprises a liquid inlet communicated with the liquid outlet pipe 4.2, a plurality of layers of replaceable filtering bodies 2.1 positioned below the liquid inlet, a sterilizing cage 2.2 with the bottom penetrating through the filtering body 2.1 at the lowest layer and communicated with the ground surface, and a water outlet positioned below the filtering body 2.1, a soluble sterilizing preparation which is put into the sterilizing cage 2.2 from the ground surface is filled in the sterilizing cage 2.2, and the filtering body 2.1 cannot enter the sterilizing cage 2.2;
the interior of the drainage unit 3 is communicated with a water outlet, the top of the drainage unit 3 is communicated with the ground surface, the top of the drainage unit 3 is provided with a ventilation cover, the position of the side wall of the drainage unit 3, which is lower than the water outlet, is provided with a flow abandoning port communicated with an underground drainage pipe through a flow abandoning pipe 3.1, the flow abandoning pipe 3.1 is provided with a one-way valve controlled by an electric control chamber 7 to be opened, the flow abandoning port is fixedly provided with a vertically arranged columnar hollowed buoyancy induction column 3.2, the top of the buoyancy induction column 3.2 is flush with the lowest position of the flow abandoning port, an internal hollow floating ball 3.3 is arranged in the buoyancy induction column 3.2, the internal top of the floating ball is fixedly provided with a trigger block 3.4 connected with the electric control chamber 7 through a circuit, under the buoyancy of rainwater treated in the drainage unit 3, the floating ball 3.3 floats up and down in the buoyancy induction column 3.2, the floating ball 3.3 collides with the trigger block 3.4, and then generates a buoyancy signal which is obtained by the trigger block 3.4 and controls the opening of the one-way valve, after the floating ball 3.3 and the triggering block 3.4 separate the buoyancy signal and disappear, the electric control chamber 7 controls the one-way valve to close.
In the invention, rainwater between the outer wall of the separator 6 and the inner wall of the lower shell 4 enters the separator 6 from the liquid collecting outlet and overflows to a position between the outer wall of the separator 6 and the inner wall of the lower shell 4 through the bottom of the separator 6, so that the rainwater in the liquid collecting hopper 5.3 and the separator 6 is relatively stable and is not easy to shake greatly, silt and solid particles carried by the rainwater between the outer wall of the separator 6 and the inner wall of the lower shell 4 are relatively less, and the pressure of the filtering, disinfecting and treating of the subsequent filtering, disinfecting and killing unit 2 is reduced.
The maintenance operation of the invention mainly comprises daily maintenance and regular maintenance, the daily maintenance mainly comprises the working performance inspection and maintenance of an electric control room 7, a decontamination door 5.4 is opened to remove silt and solid particles in a dirt placing hopper 5.2, solid garbage which is easy to block a waist-shaped hole 5.1 such as broken leaves covered on the waist-shaped hole 5.1 is removed, the upper surface of a filter body 2.1 is cleaned, a sterilization preparation is put into a sterilization cage 2.2, the regular maintenance mainly comprises the steps of removing the upper shell 5 to remove sludge and solid garbage on the inner walls of the upper shell 5 and the lower shell 4, cleaning and cleaning stubborn block sludge of a separator 6 and a dirt storage tank 4.1, replacing the whole filter body 2.1 in a filtering and sterilization unit 2, cleaning the position of a buoyancy induction column 3.2 and detecting the working performance of a one-way valve.
In order to avoid the long-time production corrosion of electric control room 7 after touching with the rainwater as far as possible, also make things convenient for the maintenance operation of the electric control room 7 that breaks down easily, top in the upper housing 5 of electric control room 7 fixed connection, the steel ring internal diameter is greater than a liquid collection export internal diameter, the center of a circle coincidence of steel ring place circle and a liquid collection export place circle, the steel ring internal diameter is greater than a liquid collection export internal diameter and the steel ring is located the design under the liquid collection export and guarantees that the rainwater discharged from a liquid collection export can all fall into in straining pocket 6.4, reduce the direct separation treatment effect that gets into separator 6 and reduce separator 6 of rainwater, on the other hand, the design that most rainwater directly falls into in straining pocket 6.4 reduces the rainwater as far as possible and collides at separator 6, also reduce the rainwater that is located the eminence and directly get into the collision rocking by a wide margin in separator 6.
Because the upright columnar killing cage 2.2 may cause the concentration of the killing preparation near the killing cage 2.2 to be higher, and the concentration of the killing preparation at the position far away from the killing cage 2.2 is not enough, thereby causing the overall killing effect to be poor, therefore, in a preferred embodiment of the invention, the killing cage 2.2 is distributed spirally from top to bottom, a clapboard 2.3 with holes is fixedly arranged above the liquid inlet, planting soil is arranged between the clapboard 2.3 and the inner top of the filtering and sterilizing unit 2, planting holes are drilled at the top of the filtering and sterilizing unit 2 and green plants are planted, when the space is fully utilized by planting the green plants at the top of the filtering and sterilizing unit 2, a small amount of rainwater in the filtering and sterilizing unit 2 is also used for planting green plants, and the rainwater which is processed can be directly pumped out from the drainage unit 3 through a water suction pump to directly irrigate the green plants, so that the rainwater is reduced to be drained into an underground drainage pipe, and the processed rainwater is fully utilized to maintain the green plants.
Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited thereto, and various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a rainwater overflow arrangement which characterized in that: the rain collecting and killing device comprises a rain collecting and treating unit (1) which is partially arranged underground and partially exposed out of the ground, a filtering and killing unit (2) which is communicated with the rain collecting and treating unit (1) and partially exposed out of the ground at the top, a drainage unit (3) which is connected with the filtering and killing unit (2) into a whole, and an electric control chamber (7) which is fixedly arranged in the rain collecting and treating unit (1) and is connected with a power supply;
rain collecting processing unit (1) including be located underground and inside hollow chamfered terrace form uncovered casing (4) down, expose in earth's surface and detachably sealed lid connect in casing (4) mouthful hollow chamfered terrace form on along casing (5) down, be located separator (6) in the space that casing (4) and last casing (5) constitute down, go up inside liquid collecting hopper (5) that is equipped with a bottom and opens and have a liquid collection export (5.3), liquid collecting hopper (5.3) upper edge and last casing (5) inner wall fixed connection, the flow sensor who is connected with the electric control room electricity is installed to liquid collection export position, corresponds on last casing (5) lateral wall liquid collecting hopper (5.3) upper edge top position and opens waist type hole (5.1) that have a plurality of vertical settings, still fixed being equipped with large aperture stainless steel filter screen in waist type hole (5.1), correspond on last casing (5) inside wall liquid collecting hopper (5.3) lower edge position and be close to last casing (5) lower edge position and be connected fixedly and have a knot A dustpan-shaped dirt holding bucket (5.2), an opening of the dirt holding bucket (5.2) is arranged obliquely to the liquid collecting outlet, a dirt cleaning door (5.4) which can be turned upwards is arranged on the outer wall of the upper shell (5) corresponding to the dirt holding bucket (5.2), the bottom of the lower shell (4) is provided with a long strip-shaped sewage storage tank (4.1) with a semicircular longitudinal section, a separator (6) is erected above the dirt storage tank (4.1), the bottom of the separator (6) is positioned above the dirt storage tank (4.1), the top of the separator (6) is positioned below the liquid collecting outlet, an overflow port is reserved between the bottom of the separator (6) and the inner wall of the lower shell (4), at least one liquid outlet is formed in the position, close to the upper edge, of the side wall of the lower shell (4) and communicated with the filtering and sterilizing unit (2) through at least one liquid outlet pipe (4.2), and the rainwater liquid level between the separator (6) and the inner wall of the lower shell (4) rises to the liquid outlet and then enters the filtering and sterilizing unit (2) through the liquid outlet pipe (4.2);
the separator (6) comprises a cylindrical body (6.1) with a hollow inner part, a roller group (6.2) which is arranged in the body (6.1) and driven by a motor to rotate towards the sewage storage hopper (5.2), a filtering pocket (6.4) which is sleeved on the roller group (6.2) and driven by the roller group (6.2) to be matched for transmission, a transmission bar (6.3) which is fixedly arranged on the transmission bar (6.3) at even intervals, the filtering pocket (6.4) comprises a main bar fixedly connected with the transmission bar (6.3), an elastic steel ring fixedly connected with the main bar, and a spherical hard pocket net connected below the steel ring, wherein the electric control motor is started after the electric control room (7) obtains a flow signal generated by the flow sensor, the roller group (6.2) starts to rotate under the driving of the motor and drives the transmission bar (6.3) to rotate so as to drive the filtering pocket (6.4) to move towards the sewage storage hopper (5.2) from bottom to top, and the filtering pocket (6.4) filters rainwater discharged from the sewage storage tank (4.1) and filters the rainwater outlet, finally, the sludge is poured into a sludge placing hopper (5.2) and enters the next cycle, and after the flow sensor stops providing flow signals after the rain stops, the electric control room (7) controls the motor to be closed, so that the roller set (6.2) stops rotating;
the filtering and sterilizing unit (2) is communicated with the interior of the lower shell (4) through a liquid outlet pipe (4.2), the filtering and sterilizing unit (2) comprises a liquid inlet communicated with the liquid outlet pipe (4.2), a plurality of layers of replaceable filtering bodies (2.1) positioned below the liquid inlet, a sterilizing cage (2.2) with the bottom penetrating through the filtering body (2.1) at the lowest layer and communicated with the ground surface, and a water outlet positioned below the filtering body (2.1), a soluble sterilizing preparation thrown into the sterilizing cage (2.2) from the ground surface is arranged in the sterilizing cage (2.2), and the filtering body (2.1) cannot enter the sterilizing cage (2.2);
the interior of the drainage unit (3) is communicated with a water outlet, the top of the drainage unit (3) is communicated with the ground surface, the top of the drainage unit (3) is provided with a ventilating cover, the position of the side wall of the drainage unit (3) lower than the water outlet is provided with a flow abandoning port communicated with an underground drainage pipe through a flow abandoning pipe (3.1), the flow abandoning pipe (3.1) is provided with a one-way valve controlled by an electric control chamber (7) to be opened and closed, the position of the flow abandoning port is fixedly provided with a vertically arranged columnar hollowed buoyancy induction column (3.2), the top of the buoyancy induction column (3.2) is flush with the lowest position of the flow abandoning port, the buoyancy induction column (3.2) is internally provided with an internal hollow floating ball (3.3), the internal top is fixedly provided with a trigger block (3.4) connected with the electric control chamber (7) through a circuit, and under the action of rainwater buoyancy treated in the drainage unit (3), the floating ball (3) floats up and down in the buoyancy induction column (3.2), after the floating ball (3.3) is abutted against the trigger block (3.4), a buoyancy signal generated by the trigger block (3.4) is obtained by the electric control chamber (7) and controls the one-way valve to be opened, and after the buoyancy signal separated by the floating ball (3.3) and the trigger block (3.4) disappears, the electric control chamber (7) controls the one-way valve to be closed.
2. A stormwater overflow as claimed in claim 1, characterised in that: the electric control chamber (7) is fixedly connected to the inner top of the upper shell (5), the inner diameter of the steel ring is larger than that of the liquid collection outlet, and the circle of the steel ring coincides with the circle of the liquid collection outlet.
3. A stormwater overflow as claimed in claim 1 or 2, wherein: the sterilizing cage (2.2) is spirally distributed from top to bottom, a partition plate (2.3) with holes is fixedly arranged above the liquid inlet, planting soil is arranged between the partition plate (2.3) and the top in the filtering sterilizing unit (2), and planting holes are drilled in the top of the filtering sterilizing unit (2) and green plants are planted in the planting holes.
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| CN114232754B (en) | 2023-12-12 |
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