CN111732232A - Initial rainwater separation and purification integrated device and use method thereof - Google Patents
Initial rainwater separation and purification integrated device and use method thereof Download PDFInfo
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- CN111732232A CN111732232A CN202010692906.XA CN202010692906A CN111732232A CN 111732232 A CN111732232 A CN 111732232A CN 202010692906 A CN202010692906 A CN 202010692906A CN 111732232 A CN111732232 A CN 111732232A
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- 238000000746 purification Methods 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000010865 sewage Substances 0.000 claims abstract description 67
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 52
- 239000010935 stainless steel Substances 0.000 claims abstract description 52
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 239000010813 municipal solid waste Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 239000004794 expanded polystyrene Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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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
Abstract
An initial rainwater separation and purification integrated device and a use method thereof belong to the field of ecological environment. The rainwater collecting pipeline and the subsequent rainwater processing pipeline are respectively arranged on two sides of the double-layer stainless steel filter screen of the device, and the floating ball is placed in the sewage storage tank. The double-layer stainless steel filter screen can intercept solid impurities in rainwater, and simultaneously, the mixture of active carbon and alkaline substances in the filter screen can play a certain purifying role in collected rainwater. The retaining water level of initial stage rainwater drives the floater and rises in the sewage cistern, and final floater plugs up hose sewage water inlet, prevents the entering of later stage rainwater. After the rainwater in the middle and later periods flows into the subsequent rainwater treatment pipeline, the rainwater can be further purified or directly discharged into the environment, so that the rainwater in the initial period and the middle and later periods can be automatically separated. The device simple structure need not other external power and can normally work, has reduced the artifical number of times to its maintenance, is applicable to the way of multiple recycle rainwater.
Description
Technical Field
The invention belongs to the field of ecological environment, and particularly relates to an initial rainwater separation and purification integrated device system which can automatically separate and purify without external power.
Background
The water resource is deficient in China, the current situation of water environment pollution is severe, and resource water shortage and water shortage are both important, so that the sustainable development of economy and society is restricted. In addition, rainwater is a high-quality fresh water resource, has a large total amount, is easy to collect, has low purification cost, and is gradually valued by people. The rainwater is recycled to form an economic and practical water resource development mode, and the method is an important measure for solving the problems of water shortage and flood control in cities. However, with the rapid development of the urbanization process in China, urban road pollution, acid rain pollution and air pollution become more serious, and various water sources including rainwater are also polluted seriously. The pollution degree of the initial rainwater is higher and usually exceeds the pollution degree of common urban sewage, so the initial rainwater is classified into the sewage category. If the initial rainwater is directly discharged into the natural bearing water body, the water body is seriously polluted, the rainwater cannot be directly recycled, and serious water resource waste is caused, so that the initial rainwater must be discarded to improve the quality of finally collected rainwater, certain treatment is carried out on the initial rainwater, and the load of later-stage sewage treatment is reduced.
At present, the initial rainwater that develops earlier stage at home and abroad abandons a class device and can satisfy certain needs, nevertheless still there is certain defect generally: the use cost is high, the occupied space is too large, the large-scale popularization and application are not facilitated, the flow of the initial rainwater cannot be well controlled, the initial rainwater, the middle and later stage rainwater cannot be completely and thoroughly separated, and the filter element and the filter material on the flow discarding device with the filtering function are troublesome to install and disassemble and are easy to block. Most devices only separate initial rainwater without treating it, increasing the treatment load of later sewage plants. Therefore, it is imperative to develop an integrated device for efficiently separating and treating initial rainwater.
Disclosure of Invention
Aiming at the defects of weak purification strength, short service life, easy blockage and the like commonly existing in the conventional initial rainwater separation device on the market at present, the invention aims to design an initial rainwater separation and purification integrated device which has strong purification strength, long service life, difficult blockage and low investment risk.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an integrative device is separated and purified to initial stage rainwater, includes double-deck stainless steel filter screen 1, floater 5, handle 2, sealing rubber circle 6, sewage water storage box 4, hose water inlet 3 and reducer outlet 7.
Double-deck stainless steel filter screen 1 sets up the upper portion in sewage water storage tank 4, and the rainwater collection pipeline sets up in one side of double-deck stainless steel filter screen 1, and follow-up rainwater treatment pipeline sets up in one side in addition of double-deck stainless steel filter screen 1, thereby initial stage rainwater separation and purification integrative device and rainwater collection pipeline junction do not set up double-deck stainless steel filter screen 1, thereby prevent that the solid waste that carries in the rainwater from being stopped up the rainwater collection pipeline by the interception of double-deck stainless steel filter screen 1, influence the collection of rainwater. The mixture of active carbon and alkaline material has been placed in double-deck stainless steel filter screen 1 to according to the area of contact of mixture and collection rainwater, the volume that the mixture was placed in double-deck stainless steel filter screen 1 is reduced gradually from the bottom up, and the volume of its placing is the most in double-deck stainless steel filter screen 1 bottom, and the mixture volume needs to ensure to prevent to hinder the rainwater flow. The lower extreme of sewage water storage box 4 is for leaking hopper-shaped, sets up reducer outlet 7, and reducer outlet 7 links to each other with municipal sewage pipeline, directly discharges initial stage rainwater to sewage factory and handles.
The floating ball 5 floats up and down along with the water level in the lower space in the sewage storage tank 4.
The inner peripheries of the hose water inlet 3 and the large and small head water outlet 7 are respectively provided with a sealing rubber ring 6, and the sealing rubber rings 6 can be ensured to be matched with the floating ball 5 for sealing;
the hose water inlet 3 department be equipped with double-deck stainless steel filter screen 1, and the hole of double-deck stainless steel filter screen 1 is bigger than the hole of double-deck stainless steel filter screen 1 other parts.
The double-layer stainless steel filter screen 1 is opened at the joint of the device and the rainwater collecting pipeline.
The handle 2 is arranged at the upper end of the double-layer stainless steel filter screen 1;
the pipe diameter of the hose water inlet 3 is larger than that of the large and small head water outlet 7.
Double-deck stainless steel filter screen 1 places in hose water inlet 3 tops, wholly presents the assembly for cylinder shape and hemisphere head, arranges along 4 inner walls of sewage water storage box.
Furthermore, the floating ball 5 is made of expanded polystyrene. Furthermore, the contact surfaces of the floating ball 5, the hose water inlet 3 and the large and small water outlets 7 are circular.
A use method of an initial rainwater separation and purification integrated device comprises the following specific steps:
in the early stage of rainfall, a large amount of initial rainwater enters the device through the rainwater collecting pipeline, when subsequently flows into the sewage water storage tank 4, the initial rainwater firstly passes through a mixture of activated carbon and alkaline substances placed in the double-layer stainless steel filter screen 1, is subjected to mixture purification treatment, adsorbs pigments, peculiar smell, colloidal substances, turbidity and organic matters in the rainwater, balances the acidity and alkalinity of the rainwater, and then passes through the large-pore filter screen at the hose water inlet 3 to intercept large-volume solid garbage carried in the rainwater, so that the large-volume solid garbage is prevented from entering the lower part of the sewage water storage tank 4 to cause blockage, and further sewage backflow is caused; when rainfall is finished, the double-layer stainless steel filter screen 1 is lifted out through the handle 2 arranged at the upper end of the double-layer stainless steel filter screen 1, and the mixture material in the double-layer stainless steel filter screen 1 is also replaced while garbage is dumped.
After the initial rainwater flows into the lower part of the sewage water storage tank 4, the initial rainwater is directly discharged into a municipal sewage pipeline through the reducer outlet 7 at the lower end of the sewage water storage tank 4, and the water level in the sewage water storage tank 4 gradually rises because the pipe diameter of the hose water inlet 3 is larger than that of the reducer outlet 7. The floating of the floating ball 5 in the sewage storage tank is controlled by the rising height of the water level, so that the floating ball 5 rises and falls under the buoyancy action of rainwater, and the tightness between the floating ball 5 and the water inlet 3 of the hose is improved by the sealing rubber ring 6.
When the initial stage rainfall was over, the water level reached anticipated design water level height in the sewage water storage box 4, and hose water inlet 3 is tightly plugged up to floater 5, prevents that middle and later stage rainwater from flowing in a large number to realize the effective separation of initial stage rainwater, make the rainwater accomplish preliminary purification.
The middle and later stage rainwater also can be treated by the mixture in the double-layer stainless steel filter screen 1 in the process of being collected, and meanwhile, the double-layer stainless steel filter screen 1 with small pores at the beginning of the subsequent rainwater treatment pipeline can intercept small-volume solid garbage carried in rainwater, so that the quality of the rainwater finally and integrally collected is improved.
When the rainfall is about to finish, the rainwater flow in the rainwater collecting pipeline is gradually reduced, the floating ball 5 is separated from the hose water inlet 3 along with the rainwater flow, the floating ball and the hose water inlet descend together along with the water level in the sewage water storage tank 4, intercepted small-volume solid garbage is also washed into the sewage water storage tank 4 by follow-up rainwater, extra clean water resources do not need to be consumed, self-cleaning of the device is achieved to a certain extent, and cleanness and sanitation of the device are guaranteed.
When the rainfall is finished, no rainwater continuously flows into the device, the floating ball 5 finally descends to a large and small water outlet 7 with the sealing rubber ring 6, the floating ball 5 is tightly attached to the sealing rubber ring 6 under the action of gravity, and the rainfall in the area is waited to arrive next time. The floating ball 5 is tightly attached to the big and small head water outlet 8, so that the device is prevented from being damaged by toxic gas in other pipelines and harming the body of a person who replaces mixture materials.
In a word, this device just can separate and purification treatment to initial stage rainwater through like this nature and convenient mode, has improved sewage treatment efficiency, has reduced sewage treatment load, reduces sewage treatment's cost by a wide margin, and is more energy-concerving and environment-protective. Meanwhile, the device also has a certain self-cleaning function, so that the device is prevented from being damaged due to blockage of garbage, and the manual maintenance and repair frequency of the device is reduced. The device is used and popularized, and the rainwater recycling and utilizing efficiency of the society can be further improved.
Compared with the initial rainwater discarding device, the integrated device with the functions of initial rainwater separation and purification provided by the invention has the following advantages:
(1) according to the buoyancy effect of water, a floating ball in the sewage storage tank rises along with the rising of the initial rainwater level, and automatically blocks a water inlet of a hose when the water level reaches the top of the water tank, so that the initial rainwater can be automatically separated from middle and later stage rainwater without external energy drive;
(2) the contact surfaces of the floating ball, the sewage inlet of the hose and the large and small head water outlet are round, so that the occupied space of the floating ball in the sewage storage tank can be reduced under the condition of the same buoyancy force, and the cost of the device is reduced;
(3) the double-layer stainless steel filter screen has the functions of intercepting and collecting larger solid dirt in rainwater and purifying initial rainwater.
(4) Need not other clean water source belt cleaning device, the device can intercept the little volume solid rubbish in the rainwater, prevents that the pipeline that links to each other with the device from taking place to block up, and is energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic structural view of an integrated initial rainwater separation and purification device
In the figure: 1 double-layer stainless steel filter screens; 2, a handle; 3, a hose water inlet; 4 sewage water storage tank; 5, floating balls; 6, sealing the rubber ring; 7 a water outlet with a big end and a small end.
Detailed Description
As can be seen from figure 1, the initial rainwater autosegregation and integrative device of purifying includes double-deck stainless steel filter screen (including active carbon and alkaline material) 1, handle 2, hose water inlet 3, sewage water storage box 4, floater 5, sealing rubber circle 6 and concentric reducer outlet 7, and the rainwater collecting pipe says and sets up one side of double-deck stainless steel filter screen 1, and later stage rainwater treatment pipe says and sets up the opposite side of double-deck stainless steel filter screen 1, floater 5 is made by expanded polystyrene, floater 5 sets up in sewage water storage box 4.
The sewage water storage tank 4 is internally provided with a floating ball 5, and the hose water inlet 3 and the reducer water outlet 7 are respectively arranged above and below the sewage water storage tank 4 and are respectively stuck with a sealing rubber ring. In the early stage of rainfall, initial rainwater flows into the device through the rainwater collection pipeline, is treated by the mixture of the activated carbon and the alkaline substances in the double-layer stainless steel filter screen 1, directly flows into the sewage water storage tank 4 and is discharged into a municipal sewage pipeline connected with the device, so that the treatment load of a subsequent sewage plant is reduced. Because the hose water inlet 3 and the large and small head water outlet 7 are respectively arranged above and below the sewage water storage tank 4, the pipe diameter of the hose water inlet is larger than that of the large and small head water outlet 7, the water level in the tank can gradually rise, the floating ball 5 rises under the action of buoyancy force to finally block the hose water inlet 3, rainwater at the middle and later stages cannot enter the sewage water storage tank 4 in a large amount, and the rain-sewage separation is automatically realized; when the rainfall is finished, the floating ball 5 is just attached to the sealing rubber ring 6, so that the water is sealed in a sealing way, and toxic and harmful gases in other pipelines are prevented from entering the device; the quality of the rainwater in the later period is better, but considering that the environmental pollution of partial areas is serious, the alkalinity of the rainwater can be continuously balanced by alkaline substances in the double-layer stainless steel filter screen 1, and the activated carbon can absorb pigments and peculiar smell in the rainwater. Wherein double-deck stainless steel filter screen 1 can intercept the partial solid rubbish that carries in the rainwater, and by the small solid rubbish of interception can be carried by surplus rainwater and flow into in sewage water storage tank 4 in the rainfall later stage to finally be discharged in the municipal sewage pipeline. In addition, the filter screen with larger clearance is arranged at the hose water inlet 3, so that garbage with larger volume is intercepted, the garbage is prevented from flowing into the sewage water storage tank 4 to block the large and small water outlet 7, sewage cannot be discharged in time, initial rainwater flows into a subsequent pipeline, the quality of the collected total rainwater is reduced, and finally solid garbage with larger volume is poured along with the replacement of active carbon and alkaline materials in the double-layer stainless steel filter screen 1. In the later stage of rainfall, the water level in the sewage water storage tank gradually decreases, small-volume solid garbage is also washed by part of rainwater and brought into the sewage water storage tank 4, and the floating ball 5 also gradually decreases to the bottom of the sewage water storage tank 4 to block the water outlet 7. In the whole rainfall process, the separation device can achieve the separation and purification effects on initial rainwater without external mechanical equipment and power supply control.
Claims (6)
1. An initial rainwater separation and purification integrated device is characterized by comprising a double-layer stainless steel filter screen (1), a floating ball (5), a handle (2), a sealing rubber ring (6), a sewage water storage tank (4), a hose water inlet (3) and a reducer water outlet (7);
the rainwater separation and purification integrated device is characterized in that the double-layer stainless steel filter screen (1) is arranged at the upper part in the sewage water storage tank (4), the rainwater collection pipeline is arranged on one side of the double-layer stainless steel filter screen (1), the subsequent rainwater treatment pipeline is arranged on the other side of the double-layer stainless steel filter screen (1), the joint of the initial rainwater separation and purification integrated device and the rainwater collection pipeline is not provided with the double-layer stainless steel filter screen (1), and solid garbage carried in rainwater is prevented from being intercepted by the double-layer stainless steel filter screen (1) to block the rainwater collection pipeline, so that rainwater collection is influenced; placing a mixture of activated carbon and alkaline substances in the double-layer stainless steel filter screen (1), and gradually reducing the amount of the mixture placed in the double-layer stainless steel filter screen (1) from bottom to top according to the contact area of the mixture and collected rainwater, wherein the amount of the mixture placed at the bottom of the double-layer stainless steel filter screen (1) is the largest, and the volume of the mixture needs to ensure that rainwater flow is prevented from being blocked; the lower end of the sewage water storage tank (4) is funnel-shaped, a large and small head water outlet (7) is arranged, the large and small head water outlet (7) is connected with a municipal sewage pipeline, and initial rainwater is directly discharged to a sewage plant for treatment;
the floating ball (5) floats up and down along with the water level in the lower space in the sewage storage tank (4);
the inner peripheries of the hose water inlet (3) and the large and small head water outlet (7) are respectively provided with a sealing rubber ring (6), and the sealing rubber rings (6) can be matched with the floating ball (5) for sealing;
the double-layer stainless steel filter screen (1) is arranged at the water inlet (3) of the hose, and the pores of the double-layer stainless steel filter screen (1) are larger than those of the other parts of the double-layer stainless steel filter screen (1);
the lifting handle (2) is arranged at the upper end of the double-layer stainless steel filter screen (1);
the pipe diameter of the hose water inlet (3) is larger than that of the large and small head water outlet (7).
2. The integrated initial rainwater separation and purification device according to claim 1, wherein the double-layer stainless steel filter screen (1) is placed above the water inlet (3) of the hose, and is integrally formed into a combination of a cylindrical shape and a hemispherical head and is arranged along the inner wall of the sewage storage tank (4).
3. An initial rainwater separation and purification integrated device according to claim 1 or 2, wherein the floating ball (5) is made of expanded polystyrene.
4. An integrated initial rainwater separation and purification device according to claim 1 or 2, wherein the contact surfaces of the floating ball (5) with the hose water inlet (3) and the large and small head water outlet (7) are circular.
5. An integrated initial rainwater separation and purification device according to claim 1 or 2, wherein the contact surfaces of the floating ball (5) with the hose water inlet (3) and the large and small head water outlet (7) are circular.
6. The use method of the integrated initial rainwater separation and purification device as claimed in any one of claims 1 to 5, is characterized by comprising the following steps:
in the early stage of rainfall, a large amount of initial rainwater enters the device through the rainwater collecting pipeline, when subsequently flows into the sewage water storage tank (4), the initial rainwater firstly passes through a mixture of active carbon and alkaline substances placed in the double-layer stainless steel filter screen (1), is subjected to mixture purification treatment, adsorbs pigments, peculiar smell, colloidal substances, turbidity and organic matters in rainwater, balances the acidity and alkalinity of the rainwater, and then passes through the large-pore filter screen at the water inlet (3) of the hose to intercept large-volume solid garbage carried in the rainwater, so that the large-volume solid garbage is prevented from entering the lower part of the sewage water storage tank (4) to cause blockage, and further the sewage is prevented from flowing back; when rainfall is finished, the double-layer stainless steel filter screen (1) is lifted out through a handle (2) arranged at the upper end of the double-layer stainless steel filter screen (1), and the mixture in the double-layer stainless steel filter screen (1) is replaced while garbage is dumped;
after initial rainwater flows into the lower part of the sewage water storage tank (4), the initial rainwater is directly discharged into a municipal sewage pipeline through a large and small head water outlet (7) at the lower end of the sewage water storage tank (4), and the water level in the sewage water storage tank (4) can gradually rise as the pipe diameter of the hose water inlet (3) is larger than that of the large and small head water outlet (7); the floating of the floating ball (5) in the sewage water storage tank (4) is controlled by the rising height of the water level, so that the floating ball (5) rises and falls under the buoyancy action of rainwater, and the tightness between the floating ball (5) and the hose water inlet (3) is improved by the sealing rubber ring (6);
when the initial rainfall is finished, the water level in the sewage water storage tank (4) reaches the expected designed water level height, the floating ball (5) tightly blocks the water inlet (3) of the hose to prevent a large amount of rainwater in the middle and later periods from flowing in, so that the initial rainwater is effectively separated, and the rainwater is primarily purified;
in the process of collecting the rainwater in the middle and later periods, the rainwater is also treated by the mixture in the double-layer stainless steel filter screen (1), and meanwhile, the small-pore double-layer stainless steel filter screen (1) at the initial part of the subsequent rainwater treatment pipeline can intercept small-volume solid garbage carried in the rainwater;
when the rainfall is about to end, the rainwater flow in the rainwater collecting pipeline is gradually reduced, the floating ball (5) is separated from the water inlet (3) of the hose and descends along with the descending of the water level in the sewage water storage tank (4), and the intercepted small-volume solid garbage is also washed into the sewage water storage tank (4) by the subsequent rainwater;
when the rainfall is finished, no rainwater continuously flows into the device, the floating ball (5) finally descends to a large and small head water outlet (7) with the sealing rubber ring (6), the floating ball (5) is tightly attached to the sealing rubber ring (6) under the action of gravity, and the arrival of the rainfall in the area next time is waited.
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| CN202010692906.XA CN111732232A (en) | 2020-07-17 | 2020-07-17 | Initial rainwater separation and purification integrated device and use method thereof |
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Cited By (8)
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| CN112411706A (en) * | 2020-11-27 | 2021-02-26 | 深圳市水务规划设计院股份有限公司 | Dirty separator of rain and dirt and dirty piece-rate system of rain |
| CN112681479A (en) * | 2020-12-21 | 2021-04-20 | 深圳市中荣煜建筑工程有限公司 | Sponge city rainwater processing system |
| CN112979024A (en) * | 2021-04-26 | 2021-06-18 | 常州大学 | Building district rainwater recycling system |
| CN113152624A (en) * | 2021-05-18 | 2021-07-23 | 广东乐华建设工程有限公司 | Municipal rainwater drainage device capable of avoiding blockage and rainwater drainage method |
| CN113519375A (en) * | 2021-07-09 | 2021-10-22 | 重庆市二零五勘测设计有限公司 | Mine ecological restoration device and restoration method |
| CN113622496A (en) * | 2021-07-29 | 2021-11-09 | 中冶南方城市建设工程技术有限公司 | Automatic distributing device for rain and sewage of building |
| CN113846740A (en) * | 2021-10-27 | 2021-12-28 | 中电建生态环境设计研究有限公司 | Initial rainwater collecting device |
| CN114108783A (en) * | 2021-12-07 | 2022-03-01 | 浙江明通建设工程有限公司 | Municipal administration rainwater regulation system |
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| CN112411706A (en) * | 2020-11-27 | 2021-02-26 | 深圳市水务规划设计院股份有限公司 | Dirty separator of rain and dirt and dirty piece-rate system of rain |
| CN112681479A (en) * | 2020-12-21 | 2021-04-20 | 深圳市中荣煜建筑工程有限公司 | Sponge city rainwater processing system |
| CN112681479B (en) * | 2020-12-21 | 2022-06-10 | 深圳市中荣煜建筑工程有限公司 | Sponge city rainwater processing system |
| CN112979024A (en) * | 2021-04-26 | 2021-06-18 | 常州大学 | Building district rainwater recycling system |
| CN112979024B (en) * | 2021-04-26 | 2022-04-08 | 常州大学 | Building district rainwater recycling system |
| CN113152624A (en) * | 2021-05-18 | 2021-07-23 | 广东乐华建设工程有限公司 | Municipal rainwater drainage device capable of avoiding blockage and rainwater drainage method |
| CN113152624B (en) * | 2021-05-18 | 2023-03-10 | 广东乐华建设工程有限公司 | Municipal rainwater drainage device capable of avoiding blockage and rainwater drainage method |
| CN113519375A (en) * | 2021-07-09 | 2021-10-22 | 重庆市二零五勘测设计有限公司 | Mine ecological restoration device and restoration method |
| CN113519375B (en) * | 2021-07-09 | 2022-06-21 | 重庆市二零五勘测设计有限公司 | Mine ecological restoration device and restoration method |
| CN113622496A (en) * | 2021-07-29 | 2021-11-09 | 中冶南方城市建设工程技术有限公司 | Automatic distributing device for rain and sewage of building |
| CN113846740A (en) * | 2021-10-27 | 2021-12-28 | 中电建生态环境设计研究有限公司 | Initial rainwater collecting device |
| CN114108783A (en) * | 2021-12-07 | 2022-03-01 | 浙江明通建设工程有限公司 | Municipal administration rainwater regulation system |
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