CN112374671A - Rainwater purification and collection system - Google Patents
Rainwater purification and collection system Download PDFInfo
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- CN112374671A CN112374671A CN202011207649.2A CN202011207649A CN112374671A CN 112374671 A CN112374671 A CN 112374671A CN 202011207649 A CN202011207649 A CN 202011207649A CN 112374671 A CN112374671 A CN 112374671A
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- 238000000746 purification Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 238000005189 flocculation Methods 0.000 claims abstract description 20
- 230000016615 flocculation Effects 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 26
- 230000001954 sterilising effect Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 24
- 239000012535 impurity Substances 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 12
- 239000000084 colloidal system Substances 0.000 abstract description 7
- 230000003749 cleanliness Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000008394 flocculating agent Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003311 flocculating effect Effects 0.000 description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides a rainwater purification and collection system, and relates to the field of rainwater collection. The rainwater purification and collection system comprises a water inlet pipeline, a water purification device and a water storage container, wherein the water inlet pipeline is provided with a water inlet, a drainage port and a drainage valve, and the water inlet is used for being connected with a drainage port of a roof; the water inlet pipeline is also provided with a branch port which is connected with a water collecting pipeline, and the water purifying device and the water storage container are connected on the water collecting pipeline; the position of the water collecting pipeline close to the branch interface is provided with a flocculation adding device, the water collecting pipeline between the branch interface and the water purifying device is provided with a primary filter, and the water collecting pipeline between the water purifying device and the water storage container is provided with a secondary filter. The clean water body is finally obtained through flocculation, primary filtration, purification and separation and secondary filtration of the system, the components such as suspended particles, colloid and the like in rainwater can be effectively removed, fine impurities in the rainwater are thoroughly eliminated, the collected rainwater has higher cleanliness and can be directly used for production and living.
Description
Technical Field
The invention relates to the technical field of rainwater collection, in particular to a rainwater purification and collection system.
Background
With the continuous development of urban society, the problem of gradual shortage of water resources is increasingly prominent. Rainwater is a common natural water source, and how to effectively collect and purify rainwater is a key for restricting rainwater utilization.
At present, a system for collecting roof rainwater is designed by combining a house structure, for example, Chinese patent invention with the publication number of CN105839755B and publication number of 2017.11.17 discloses a roof rainwater collecting system, and specifically discloses that the system comprises a roof, a rainwater collecting groove, a primary filtering device, a flow discarding device, a backwashing filtering device and a rainwater collecting barrel, wherein the rainwater collecting groove is arranged at the lower edge of the roof, and the primary filtering device is arranged at the lower part of a water outlet of the rainwater collecting groove in a non-contact manner, so that sundries with larger volume can be intercepted, and a water pipeline is prevented from being blocked; the intercepting and adjusting rod of the flow abandoning device can intercept rainwater to enter the adjusting cavity so as to lift the ball float valve, thereby realizing the collection of early rainwater abandoning and later purified water; the back washing device comprises a first filter screen, a second filter screen and a washing device. The primary filtering device can effectively filter leaves in rainwater and other large impurities, the water passing pipeline is prevented from being blocked, the fine filtering device can filter small-particle impurities in the rainwater, the primary rainwater is discarded by the discarding device, and finally collected rainwater can meet the requirements of production and life.
A roof rainwater collecting system in the prior art adopts a structural form of a primary filtering device and a flow discarding device, the primary filtering device is used for removing impurities from rainwater entering a pipeline, and then the rainwater is filtered by a backwashing filtering device. However, the components such as suspended particles, colloids and the like in the rainwater can not be effectively removed only by backwashing filtration treatment, the rainwater still contains more fine impurities, and the collected rainwater is low in cleanliness and cannot be directly used for production and living.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a rainwater purification and collection system, so as to solve the problems that the existing rainwater collection system cannot effectively remove suspended particles, colloids and other components in rainwater, the rainwater still contains many fine impurities, and the collected rainwater has low cleanliness and cannot be directly used for production and living.
The technical scheme of the rainwater purification and collection system is as follows:
the rainwater purification and collection system comprises a water inlet pipeline, a water purification device and a water storage container, wherein the water inlet pipeline is provided with a water inlet, a drainage port and a drainage valve, and the water inlet is used for being connected with a drainage port of a roof;
the water inlet pipeline is also provided with a branch interface which is connected with a water collecting pipeline, and the water purifying device and the water storage container are connected on the water collecting pipeline;
the water collecting pipeline is provided with a flocculation adding device at a position close to the branch interface, a primary filter is arranged on the water collecting pipeline between the branch interface and the water purifying device, and a secondary filter is arranged on the water collecting pipeline between the water purifying device and the water storage container.
Furthermore, a flow detection element is further arranged at the upstream position of the flocculation adding device of the water collecting pipeline, the flow detection element is electrically connected with the flocculation adding device, and the flow detection element is used for detecting the rainwater flow in the water collecting pipeline so as to control the adding amount of the flocculation adding device according to the rainwater flow.
Further, purifier is solid-liquid separation equipment, solid-liquid separation equipment includes the main casing body, it keeps off the board to correspond the position of intaking in the main casing body, it has the arc water conservancy diversion face that the guide rainwater formed the whirl to keep off the board, the bottom of the main casing body still is equipped with the intercommunication the drain of inner chamber.
Further, solid-liquid separation equipment still includes the overflow pipe, the overflow pipe is vertical to be run through the bottom of the main casing body, just the last mouth of pipe of overflow pipe is located the inner chamber upper portion of the main casing body.
Furthermore, a primary sterilizing device is arranged on a water collecting pipeline between the branch interface and the water purifying device, and a secondary sterilizing device is arranged on a water collecting pipeline between the water purifying device and the water storage container.
Furthermore, the primary sterilizing device and the secondary sterilizing device are both ultraviolet sterilizing lamps.
Furthermore, a water using pipeline is connected to the water storage container, and a three-stage filter and a manual valve are further arranged on the water using pipeline.
Furthermore, a rainwater sensing element is arranged on the water inlet pipeline and electrically connected with the flow detection element, and the rainwater sensing element is used for detecting whether rainwater flows in the water inlet pipeline or not so as to control the flow detection element to be started or closed.
Furthermore, a rainwater turbidity detection element is further arranged on the water inlet pipeline and electrically connected with the flow discarding valve, and the rainwater turbidity detection element is used for detecting the turbidity of circulating rainwater, so that the flow discarding valve is controlled to be opened when the detected turbidity is greater than a turbidity set value, and the flow discarding valve is controlled to be closed when the detected turbidity is less than the turbidity set value.
Further, the rainwater sensing element, the rainwater turbidity detecting element and the flow discarding valve are arranged in the water inlet pipeline from top to bottom.
Has the advantages that: the rainwater purification and collection system adopts a pipeline form of a water inlet pipeline and a water collection pipeline, and for initial rainwater containing more sundries, a drainage valve is opened to directly drain the rainwater through a drainage port, the sundries are gradually drained along with the circulation of the rainwater, and then a drainage valve is closed to enable the rainwater to enter the water collection pipeline; the flocculating agent is utilized to enable suspended particles in rainwater to mutually agglomerate to form a flocculating body, in actual use, the type of the flocculating agent can be any one or more of aluminum sulfate, aluminum chloride, ferric sulfate, polyaluminium chloride, polyferric sulfate, polyacrylamide and the like, and the effect of effectively removing impurities and purifying the rainwater is guaranteed through flocculation.
The primary filter is arranged on the water collecting pipeline between the branch connector and the water purifying device and used for filtering the rainwater subjected to flocculation treatment to remove floccules and eliminate suspended particles, colloids and the like in the rainwater, and the secondary filter is arranged on the water collecting pipeline between the water purifying device and the water storage container and used for performing secondary filtration treatment on the rainwater subjected to separation and purification. The clean water body is finally obtained through flocculation, primary filtration, purification and separation and secondary filtration of the system. Compare in current rainwater collection device, can effectively get rid of the composition such as suspended particle, colloid in the rainwater, thoroughly eliminate the slight impurity in the rainwater, the rainwater cleanliness factor of collecting is higher, can directly supply the production life to use.
Drawings
Fig. 1 is a schematic structural view of a rainwater purification and collection system in embodiment 1 of the rainwater purification and collection system according to the present invention;
fig. 2 is a schematic circuit control diagram of the rainwater purification and collection system according to embodiment 1 of the rainwater purification and collection system of the present invention.
In the figure: 1-a water inlet pipeline, 10-a flow abandoning valve, 11-a water inlet, 12-a flow abandoning port, 13-a rainwater sensing element, 14-a rainwater turbidity detection element, 2-a water purification device, 20-a main shell, 21-an overflow pipe, 22-a sewage outlet, 3-a water storage container, 4-a water collecting pipeline, 41-a flow detection element, 42-a flocculating agent adding device, 431-a primary filter, 432-a secondary filter, 433-a tertiary filter, 441-a primary sterilizing device, 442-a secondary sterilizing device, 45-a manual valve and 5-a self-service vehicle washing device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In embodiment 1 of the rainwater purification and collection system of the present invention, as shown in fig. 1 and 2, the rainwater purification and collection system includes a water inlet pipeline 1, a water purification device 2, and a water storage container 3, the water inlet pipeline 1 is provided with a water inlet 11, a water discharge port 12, and a water discharge valve 10, and the water inlet 11 of the water inlet pipeline 1 is used for connecting with a water discharge port of a roof; the water inlet pipeline 1 is also provided with a branch port which is connected with a water collecting pipeline 4, and the water purifying device 2 and the water storage container 3 are connected on the water collecting pipeline 4; a flocculation adding device 42 is arranged at the position of the water collecting pipeline 4 close to the branch interface, a primary filter 431 is arranged on the water collecting pipeline 4 between the branch interface and the water purifying device 2, and a secondary filter 432 is arranged on the water collecting pipeline 4 between the water purifying device 2 and the water storage container 3.
The rainwater purification and collection system adopts a pipeline form of a water inlet pipeline 1 and a water collection pipeline 4, and for initial rainwater containing more sundries, a waste flow valve 10 is opened to directly drain the rainwater through a waste flow port 12, the sundries are gradually drained along with the circulation of the rainwater, and then the waste flow valve 10 is closed to enable the rainwater to enter the water collection pipeline 4; the flocculating agent is utilized to enable suspended particles in rainwater to mutually agglomerate to form a flocculating body, in actual use, the type of the flocculating agent can be any one or more of aluminum sulfate, aluminum chloride, ferric sulfate, polyaluminium chloride, polyferric sulfate, polyacrylamide and the like, and the effect of effectively removing impurities and purifying the rainwater is guaranteed through flocculation.
A primary filter 431 is arranged on the water collecting pipeline 4 between the branch connector and the water purifying device 2 and used for filtering the rainwater subjected to flocculation treatment to remove floccules and eliminate suspended particles, colloid and the like in the rainwater, and a secondary filter 432 is arranged on the water collecting pipeline 4 between the water purifying device 2 and the water storage container 3 and can be used for performing secondary filtration treatment on the rainwater subjected to separation and purification. The clean water body is finally obtained through flocculation, primary filtration, purification and separation and secondary filtration of the system. Compare in current rainwater collection device, can effectively get rid of the composition such as suspended particle, colloid in the rainwater, thoroughly eliminate the slight impurity in the rainwater, the rainwater cleanliness factor of collecting is higher, can directly supply the production life to use.
In this embodiment, the water collecting pipe 4 is further provided with a flow rate detecting element 41 at a position upstream of the flocculation adding device 42, the flow rate detecting element 41 is electrically connected to the flocculation adding device 42, and the flow rate detecting element 41 is used for detecting the flow rate of rainwater in the water collecting pipe 4 to control the adding amount of the flocculation adding device 42 according to the flow rate of rainwater. Specifically, the flow rate detecting element 41 is an ultrasonic flow meter, which is YK-TUF 2000B, and is connected to the water collecting pipe 4 through flanges at two ends by using a pipe-segment structure design, so that the flow rate of rainwater in the water collecting pipe 4 can be detected, and the flocculant adding device 42 is controlled to automatically add a corresponding amount of flocculant to the water collecting pipe 4 according to the detected flow rate.
It should be noted that the addition amount of the flocculating agent is in a direct proportion relation with the flow of the rainwater in the water collecting pipeline 4, and the flocculating agent is utilized to enable suspended particles in the rainwater to mutually agglomerate to form a flocculating constituent, so that the rainwater can be effectively purified.
In this embodiment, the water purifying device 2 is a solid-liquid separating device, the solid-liquid separating device includes a main housing 20 and an overflow pipe 21, a flow baffle 23 is disposed in the main housing 20 corresponding to the water inlet position, the flow baffle 23 has an arc-shaped flow guide surface for guiding rainwater to form a rotational flow, and a drain 22 communicating with the inner cavity of the main housing 20 is further disposed at the bottom of the main housing 20. The overflow pipe 21 vertically penetrates the bottom of the main housing 20, and the upper pipe opening of the overflow pipe 21 is located at the upper part of the inner cavity of the main housing 20. An overflow pipe 21 is provided in the main housing 20 to prevent excessive rainwater from being unable to store water.
Wherein, set up in main casing body 20 and keep off a class board 23, utilize the arc water conservancy diversion face that keeps off a class board 23 to play the guide effect to rivers, make the rainwater get into the inner chamber with the whirl form to reduce the velocity of flow of rainwater in the inner chamber, improved the solid-liquid separation effect of rainwater, ensure that solid particle, the flocculating constituent and other impurity that the volume is littleer in the rainwater obtain effectual separation. The impurities are separated and then deposited at the bottom of the inner cavity of the main shell 20 and finally discharged through the sewage outlet 22, and the clean rainwater after the impurities are separated enters the water storage container 3 through the subsequent water collecting pipeline 4 so as to be convenient for a user to wash the vehicle or use the life.
A primary sterilizing device 441 is arranged on the water collecting pipeline 4 between the branch interface and the water purifying device 2, and a secondary sterilizing device 442 is arranged on the water collecting pipeline 4 between the water purifying device 2 and the water storage container 3. Primary sterilizing equipment 441 and secondary sterilizing equipment 442 are ultraviolet germicidal lamps, and can disinfect and sterilize the rainwater after removing the flocculating constituent, and the sterilizing efficiency is higher. In addition, a water using pipeline is connected to the water storage container 3, a three-stage filter 433 and a manual valve 45 are arranged on the water using pipeline, the tail end of the water using pipeline is connected with an autonomous vehicle washing device 5, a user can use clean rainwater to wash the vehicle, and efficient utilization of water resources is guaranteed. The tertiary filter 433 has the same structure as the primary filter 431 and the secondary filter 432, and all of them are filter element type filters. In other embodiments, the primary filter, the secondary filter and the tertiary filter can be all filter screens to meet different use requirements.
The water inlet pipeline 1 is provided with a rainwater sensing element 13, a rainwater turbidity detection element 14 and a flow discarding valve 10, the rainwater sensing element 13 is electrically connected with the flow detection element 41, and the rainwater sensing element 13 is used for detecting whether rainwater flows in the water inlet pipeline 1 or not so as to control the flow detection element 41 to be started or closed. When rainwater flows through or does not flow through the water inlet pipeline 1, the rainwater sensing element 13 controls the opening and closing of the flow detection element 41.
And, rainwater response component 13 still is connected with rainwater turbidity detecting element 14 electricity, and rainwater response component 13 is used for detecting whether there is the rainwater circulation in the inlet channel 1 to control rainwater turbidity detecting element 14 and start or close. The rainwater sensing element 13 is used for detecting whether rainwater flows, if rainwater flows into the water inlet pipeline 1, the rainwater turbidity detecting element 14 is controlled to be started to start detecting the turbidity of the flowing rainwater, and then the rainwater turbidity detecting element 14 judges the flow abandoning or water collecting; stop to flow into the rainwater in water intake pipe 1, explain that no rainwater can collect the use, then control rainwater turbidity detecting element 14 and close, adopted automatic control mode, the reliability is better, has avoided rainwater turbidity detecting element 14 to last the standby, saves the electric energy and has prolonged life.
The rainwater turbidity detection element 14 is electrically connected with the waste flow valve 10; the rainwater turbidity detecting element 14 is for detecting the turbidity of the circulating rainwater to control the drain valve 10 to be opened when the detected turbidity is greater than the turbidity set value, and to control the drain valve 10 to be closed when the detected turbidity is less than the turbidity set value.
The method comprises the following steps that a rainwater turbidity detection element 14 and a flow discarding valve 10 are arranged on a water inlet pipeline 1, the rainwater turbidity detection element 14 detects the turbidity of rainwater flowing in the water inlet pipeline 1, a turbidity set value for judging whether the rainwater can be used as raw water or not is preset in the rainwater turbidity detection element 14, and the raw water can enter a water collecting pipeline 1 and a subsequent device for purification; when the detected turbidity is larger than the turbidity set value, the detected turbidity indicates that the rainwater contains more impurities and is not enough to be used as raw water for subsequent purification, and the turbid rainwater is directly discharged through the waste flow port 12 and does not enter the subsequent water collecting pipeline 4 when the waste flow valve 10 is controlled to be opened; when the detected turbidity is smaller than the turbidity set value, the impurities are basically discharged along with the initial rainwater, the purity of the subsequent rainwater meets the use requirement, the abandon flow valve 10 is controlled to be closed, the subsequent rainwater flows into the water inlet pipeline 1 and then flows to the water purifying device through the water collecting pipeline 4 to obtain further purified water and impurity removal treatment, and finally the purified water and impurity removal treatment is stored in the water storage container 3.
By adopting the design forms of the water inlet pipeline 1, the rainwater turbidity detection element 14 and the drainage valve 10, the rainwater turbidity detection element 14 can effectively detect the turbidity degree of rainwater flowing through the water inlet pipeline 1 so as to truly and accurately judge whether the rainwater can be used as raw water or not, and if not, the rainwater is directly drained through the drainage port 12 of the water inlet pipeline 1; compared with the existing rainwater collection system in which the flow discarding and water collection of rainwater are controlled by adopting a ball float valve, whether the flow discarding is carried out or not can be judged according to the actual turbidity degree of the rainwater, and the control accuracy of the flow discarding and water collection is higher.
The water inlet pipeline 1 extends in the vertical direction, the water inlet 11 is arranged at the upper end of the water inlet pipeline 1, and the flow abandoning port 12 is arranged at the lower end of the water inlet pipeline 1; the water inlet pipeline 1 is provided with a branch interface, and one end of the water collecting pipeline 4 is connected to the branch interface of the water inlet pipeline 1. The water inlet pipeline 1 is arranged along the vertical direction, when rainwater on the roof flows into the water inlet pipeline 1 through the water inlet 11, the flow valve 10 is opened if the rainwater is turbid, the turbid rainwater can be directly discharged through the flow discharge port 12, the turbid rainwater cannot flow through the water collecting pipeline 4, the initial rainwater containing more sundries can be smoothly discharged, and the subsequent water collecting pipeline 4 is prevented from being blocked.
And, the rain sensing element 13, the rain turbidity detecting element 14 and the discard valve 10 are disposed in the water inlet pipe 1 from top to bottom. The rain sensor 13 is a rain sensor, the rain turbidity detection element 14 is a turbidity sensor, and the drain valve 10 is an electromagnetic change-over valve. Specifically, the rainfall sensor is RG13HRB2, the turbidity sensor is Y510-A, the turbidity of the rainwater is detected by using a 90-degree scattering method measuring principle, and the turbidity represents the obstruction degree of suspended matters in the water to light ray perspective. In other embodiments, the turbidity sensor can be a VisoTurb700IQ or WGZ-2000, etc., which can also be used to detect the turbidity of rainwater, in order to meet different usage requirements.
In other embodiments of the rainwater purification and collection system of the present invention, in order to meet different requirements, part of the structure of the rainwater collection system may be omitted, for example: the structural form of tertiary filtration + secondary sterilization can simplify to secondary filtration + secondary sterilization, secondary filtration + primary sterilization or only have secondary filtration's structural form, can realize basic filtration edulcoration effect, satisfies the water demand of lower cleanliness factor. In addition, a water pipeline connected with the water storage container, a manual valve and a self-service car washing device can be omitted, so that the water taking requirement of a user can be flexibly met.
In other specific embodiments of the rainwater purification and collection system, in order to meet different use requirements, the rainwater sensing element and the rainwater turbidity detection element on the water inlet pipeline can be omitted, the drainage valve is designed into a manual valve, and the manual valve is manually opened and closed, so that two working states of drainage and water collection are adjusted.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rainwater purification and collection system is characterized by comprising a water inlet pipeline, a water purification device and a water storage container, wherein the water inlet pipeline is provided with a water inlet, a flow abandoning port and a flow abandoning valve, and the water inlet is used for being connected with a water outlet of a roof;
the water inlet pipeline is also provided with a branch interface which is connected with a water collecting pipeline, and the water purifying device and the water storage container are connected on the water collecting pipeline;
the water collecting pipeline is provided with a flocculation adding device at a position close to the branch interface, a primary filter is arranged on the water collecting pipeline between the branch interface and the water purifying device, and a secondary filter is arranged on the water collecting pipeline between the water purifying device and the water storage container.
2. The rainwater purification and collection system according to claim 1, wherein a flow detection element is further disposed in the water collecting pipeline at a position upstream of the flocculation adding device, the flow detection element is electrically connected to the flocculation adding device, and the flow detection element is configured to detect a rainwater flow rate in the water collecting pipeline so as to control an adding amount of the flocculation adding device according to the rainwater flow rate.
3. The rainwater purification and collection system according to claim 1, wherein the water purification device is a solid-liquid separation device, the solid-liquid separation device comprises a main housing, a flow baffle is arranged in the main housing corresponding to a water inlet position, the flow baffle is provided with an arc-shaped flow guide surface for guiding rainwater to form a rotational flow, and a sewage outlet communicated with the inner cavity is further arranged at the bottom of the main housing.
4. A rainwater purification and collection system according to claim 3, wherein said solid-liquid separation device further comprises an overflow pipe, said overflow pipe vertically penetrates through the bottom of said main housing, and an upper pipe opening of said overflow pipe is located at the upper part of the inner cavity of said main housing.
5. The rainwater purification and collection system according to claim 1, wherein a primary sterilization device is disposed on the water collection pipeline between the branch port and the water purification device, and a secondary sterilization device is disposed on the water collection pipeline between the water purification device and the water storage container.
6. A rainwater purification and collection system according to claim 5 and further characterised in that said primary and secondary disinfection devices are ultraviolet disinfection lamps.
7. The rainwater purification and collection system according to claim 1, wherein a water using pipeline is connected to the water storage container, and a three-stage filter and a manual valve are further arranged on the water using pipeline.
8. The rainwater purification and collection system according to claim 2, wherein the water inlet pipeline is provided with a rainwater sensing element, the rainwater sensing element is electrically connected with the flow detection element, and the rainwater sensing element is used for detecting whether rainwater flows in the water inlet pipeline or not so as to control the flow detection element to be turned on or turned off.
9. The system of claim 8, wherein the inlet pipe further comprises a turbidity detecting element electrically connected to the flow discarding valve, the turbidity detecting element being configured to detect the turbidity of the flowing rainwater, to control the flow discarding valve to open when the detected turbidity is greater than a turbidity set value, and to control the flow discarding valve to close when the detected turbidity is less than a turbidity set value.
10. The rainwater purification and collection system according to claim 9, wherein said rainwater sensing element, rainwater turbidity detecting element and drainage valve are disposed in said water inlet pipeline from top to bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207649.2A CN112374671A (en) | 2020-11-02 | 2020-11-02 | Rainwater purification and collection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207649.2A CN112374671A (en) | 2020-11-02 | 2020-11-02 | Rainwater purification and collection system |
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| CN112374671A true CN112374671A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011207649.2A Pending CN112374671A (en) | 2020-11-02 | 2020-11-02 | Rainwater purification and collection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4212432A1 (en) * | 2022-01-14 | 2023-07-19 | B/E Aerospace, Inc. | Automatic drain system |
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