CN113480046A - Deep rainwater treatment process based on volcanic rock purification function - Google Patents
Deep rainwater treatment process based on volcanic rock purification function Download PDFInfo
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- CN113480046A CN113480046A CN202110840809.5A CN202110840809A CN113480046A CN 113480046 A CN113480046 A CN 113480046A CN 202110840809 A CN202110840809 A CN 202110840809A CN 113480046 A CN113480046 A CN 113480046A
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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
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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
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/28—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
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- 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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Abstract
The application relates to a deep rainwater treatment process based on a volcanic rock purification function, which comprises the following steps: initial rainwater discarding step: collecting rainwater on the roof; and (3) purifying medium blocky volcanic rocks: primarily purifying the rainwater on the roof; purifying the massive volcanic rocks: primarily purifying the rainwater on the ground and the green belt; water storage step: storing the purified rainwater uniformly; secondary purification step: performing secondary purification on the rainwater; a pressure filtration step: removing most of ferrous ions, suspended matters, organic matters, pigments, residual chlorine and colloid in the water; a disinfection step: and arranging a rainwater clean water tank, introducing the rainwater filtered by the pressure filter into the rainwater clean water tank, and arranging a disinfection device in the rainwater clean water tank to carry out final disinfection treatment on the purified rainwater. This application has the effect of improving the recycle problem of rainwater.
Description
Technical Field
The application relates to the field of rainwater purification treatment technology, in particular to a rainwater advanced treatment process based on a volcanic rock purification function.
Background
At present, rain is the most important fresh water resource in human life. However, due to the shortage of fresh water resources on land, rainwater needs to be utilized as fresh water resources in daily life.
In view of the above-mentioned related art, the inventor believes that rainwater needs to be purified before being reused because rainwater contains more impurities and bacteria and cannot be directly utilized, and the rainwater purification in the related art is very complicated and has a poor purification effect, so that a large amount of rainwater cannot be utilized yet.
Disclosure of Invention
In order to improve the recycle problem of rainwater, the application provides a rainwater advanced treatment process based on volcanic rock purification performance.
The application provides a rainwater advanced treatment process based on volcanic rock purification performance adopts following technical scheme:
a deep rainwater treatment process based on a volcanic rock purification function comprises the following steps:
initial rainwater discarding step: rainwater on the roof is collected, primary flow discarding and filtering are carried out on the rainwater through a rainwater flow discarding device, partial impurities are filtered out of the rainwater in the previous period, and the rainwater subjected to flow discarding is discharged into a sewage pipeline;
and (3) purifying medium blocky volcanic rocks: arranging a medium blocky volcanic rock purification functional area in an initial section of the artificial lake, filling a plurality of medium blocky volcanic rocks in the medium blocky volcanic rock purification functional area, and introducing the rainwater on the roof into the medium blocky volcanic rock purification functional area to preliminarily purify the rainwater on the roof;
purifying the massive volcanic rocks: arranging a large volcanic rock purification functional area at the initial section of the artificial lake, filling a plurality of large volcanic rocks in the large volcanic rock purification functional area, and gathering rainwater on the ground and a green belt into the large volcanic rock purification functional area to preliminarily purify the rainwater on the ground and the green belt;
water storage step: arranging a rainwater reservoir, leading rainwater on the ground and in a green belt into the rainwater reservoir from the massive volcanic rock purification functional area, leading rainwater on a roof into the rainwater reservoir from the medium massive volcanic rock purification functional area, and uniformly storing the rainwater;
secondary purification step: arranging a granular volcanic rock secondary purification tank, and introducing rainwater in the rainwater storage tank into the granular volcanic rock secondary purification tank for secondary purification;
a pressure filtration step: arranging a pressure filter, and introducing the rainwater subjected to secondary purification into pressure filter equipment again to remove most ferrous ions, suspended matters, organic matters, pigments, residual chlorine and colloid in the water;
a disinfection step: and arranging a rainwater clean water tank, introducing the rainwater filtered by the pressure filter into the rainwater clean water tank, and arranging a disinfection device in the rainwater clean water tank to carry out final disinfection treatment on the purified rainwater.
Through adopting above-mentioned technical scheme, abandon a class device through the initial stage and carry out a preliminary class of abandoning to the district rainwater, let the particle impurity in the rainwater carry out preliminary filtering, then through setting up ecological rainwater recycle system, realized the main collection to the district rainwater. Firstly, the volcanic rock purification functional area is arranged at the initial section of the artificial lake, so that the water purification function of the volcanic rock is fully exerted, and the rainwater is subjected to primary purification treatment, so that on one hand, a precondition is prepared for rainwater recycling, and on the other hand, a foundation is laid for guaranteeing the quality of reuse water. Secondly, introducing the primarily purified rainwater into a rainwater reservoir, further purifying the rainwater by using granular volcanic rocks, and filtering the rainwater by using a pressure filter to remove ferrous ions in the rainwater; filtering suspended matter mechanical impurities, organic matters and the like, and reducing the turbidity of water; the water quality requirement of recycling is met by adsorbing and removing pigment, organic matters, residual chlorine, colloid and the like in water, thereby achieving the effect of recycling a large amount of rainwater.
Optionally, the rainwater drainage device comprises a drainage box, a water inlet pipe, a water outlet pipe, a drainage pipe, a filtering assembly and a water flow opening and closing assembly; the water inlet pipe, the water outlet pipe and the flow abandoning pipe are all communicated with the flow abandoning box, the water inlet pipe is arranged on the side wall of the flow abandoning box close to the top wall, the water outlet pipe is arranged on the side wall of the flow abandoning box close to the bottom wall and far away from the water inlet pipe, and the flow abandoning pipe is arranged on the bottom wall of the flow abandoning box; the filtering component is arranged in the flow discarding box and positioned between the water inlet pipe and the water outlet pipe, and is used for filtering impurities in the rainwater; the water flow opening and closing assembly is installed in the water flow discarding box and used for automatically closing the water flow discarding pipe when water flow is large, enabling rainwater to flow to the water outlet pipe from the water inlet pipe, and automatically opening the water flow discarding pipe when water flow is small, and enabling the rainwater to flow to the water flow discarding pipe from the water inlet pipe.
By adopting the technical scheme, rainwater is introduced into the flow discarding box from the water inlet pipe, if the water flow is overlarge at the moment, the flow discarding pipe is closed by the water flow opening and closing assembly, so that the rainwater can flow out from the water outlet pipe after passing through the filtering assembly from the water inlet pipe, the filtering assembly can filter impurities in the rainwater, and the filtered rainwater is introduced into the artificial lake; and when rivers hour, abandon the runner pipe and can open automatically, the rainwater that enters into from the oral siphon this moment abandoning in the runner box can take to abandon the runner box in remaining impurity from abandoning the runner pipe department and flow to abandon the interior remaining impurity of runner box and clear away, let and abandon and keep comparatively clean environment in the runner box, thereby can filter and wash according to the size of rivers, let the degree of automation of abandoning the runner box higher.
Optionally, the filtering assembly comprises a filtering screen plate installed in the flow discarding pipe, the filtering screen plate divides the flow discarding box into a flow discarding area and a post-filtering area, the filtering screen plate is located between the water inlet pipe and the water outlet pipe, and a pipe orifice at one end of the flow discarding pipe is located in the flow discarding area.
Through adopting above-mentioned technical scheme, filter plate can give the part impurity of roofing rainwater and block, lets the rainwater normally pass filter screen plate and flows to the outlet pipe to reach the comparatively convenient effect of impurity of filtering the rainwater.
Optionally, the water flow opening and closing assembly comprises a rebound flow blocking part, an elastic lifting part and a blocking ball; the rebound flow-blocking part is arranged at a pipe orifice at one end of the water inlet pipe in the flow discarding box, the rebound flow-blocking part always has the tendency of moving in the direction of blocking the pipe orifice of the water inlet pipe, and the rebound flow-blocking part opens an opening of the water inlet pipe when being impacted by large water flow; the elastic lifting part is arranged in the waste flow box and is used for driving the blocking ball to lift in the vertical direction, and when the rebound flow blocking part moves to the pipe orifice side far away from the water inlet pipe, the elastic lifting part drives the blocking ball to vertically move downwards to block the pipe orifice of the waste flow pipe; when the rebound flow blocking part moves towards the pipe orifice side close to the water inlet pipe, the elastic lifting part drives the blocking ball to vertically move upwards to open the pipe orifice of the flow abandoning pipe.
By adopting the technical scheme, the rebound flow-blocking part has the tendency of moving towards the direction blocking the pipe orifice of the water inlet pipe, so when the water flow is small or no water flows through the water inlet pipe, the rebound flow-blocking part can move towards the direction close to the pipe orifice of the water inlet pipe, but the pipe orifice of the water inlet pipe cannot be completely blocked, the rainwater with small water flow flows down, the elastic lifting part drives the blocking ball to vertically move upwards, the pipe orifice of the flow abandoning pipe is opened, and the rainwater washes the part of the flow abandoning area in the flow abandoning box, so that impurities remained in the flow abandoning area flow out of the flow abandoning pipe along with the rainwater; when the water flow is large, the rebound flow blocking part is flushed by the water flow to move to the pipe orifice side far away from the water inlet pipe, the elastic lifting part drives the blocking ball to vertically move downwards to block the pipe orifice of the waste flow pipe, and rainwater can enter the water outlet pipe through the waste flow area, the filter screen plate and the filtered area, so that the rainwater is normally filtered and transported; after setting up like this, abandon the flow box when rivers hour and carry out the clearance of remaining impurity, abandon the flow box when rivers when being big and carry out normal filtration transportation to the rainwater to reach and filter rainwater and clear up and abandon the comparatively convenient effect of flow box.
Optionally, the rebound flow blocking part comprises a torsion spring and a blocking plate, the blocking plate is hinged to the pipe orifice end of the water inlet pipe, the torsion spring is arranged at the hinged position of the blocking plate and the pipe orifice end of the water inlet pipe, and the torsion spring enables the blocking plate to always have a tendency of rotating towards the pipe orifice side of the water inlet pipe; the elastic lifting part comprises a vertical rod, a spring, a sliding cylinder and a shifting rod, the vertical rod is vertically arranged on the top wall of the waste flow box and is positioned above the pipe orifice of the waste flow pipe, and the sliding cylinder is sleeved on the vertical rod in a sliding mode; the spring is sleeved on the vertical rod and positioned above the sliding barrel, one end of the spring is connected with the sliding barrel, the blocking ball is arranged at the pipe orifice end of the sliding barrel close to the flow discharge pipe, and the blocking ball is positioned right above the pipe orifice of the flow discharge pipe; the deflector rod is arranged at one end of the sliding cylinder, which is far away from the blocking ball, and is used for contacting with the blocking plate; when the blocking plate is impacted by water flow and inclines towards the pipe orifice side far away from the water inlet pipe, the blocking plate pushes the shifting rod to vertically move downwards so that the blocking ball blocks the pipe orifice of the flow abandoning pipe.
By adopting the technical scheme, when the water flow is large, the blocking plate can be flushed to incline towards the pipe orifice side far away from the water inlet pipe, and the blocking plate can push the shifting rod to move downwards, so that the sliding cylinder drives the blocking ball to vertically move downwards, and the spring is stretched; the blocking ball is positioned right above the pipe orifice of the waste flow pipe, so that the blocking ball moves downwards to directly block the pipe orifice of the waste flow pipe, rainwater entering from the water inlet pipe directly flows to a flow discarding area, then enters a filtered area after being filtered by the filter screen plate and finally flows into the artificial lake from the water outlet pipe, and the effect of normally filtering the rainwater is achieved; when the rivers undersize is not enough to be washed away the barrier plate, the driving lever no longer receives the barrier plate promotion this moment, and the spring becomes natural state from tensile state, and the slide cartridge just can be pulling the shutoff ball and is shifting up for the shutoff ball is no longer stopped up and is abandoned the flow tube, and the rainwater can be directly from the income water pipe to abandoning the class district this moment, will abandon direct inflow in the class district of remaining impurity washout back abandoning the flow tube, thereby reach the effect of conveniently carrying out the washing clearance to abandoning in the class incasement.
Optionally, a flow guiding inclined plane is arranged in the flow discarding box, and the lowest end of the flow guiding inclined plane is close to the pipe orifice end of the flow discarding pipe in the flow discarding box.
Through adopting above-mentioned technical scheme, the water conservancy diversion inclined plane can make things convenient for the rainwater to enter into more smoothly abandoning in the flow tube to also let impurity more easily erode away.
Optionally, the rainwater reservoir is a PP water storage module.
Through adopting above-mentioned technical scheme, PP retaining modular structure is simple and easy light, through the module combination, can build not equidimension rainwater cistern fast underground. The module reservoir can form a stable structural space while finishing water storage, and has strong pressure bearing capacity, so that the upper surface of the reservoir can be used as a parking lot, a green land and the like; the rainwater water storage module can also be combined into a quick drainage channel to realize the purpose of square and road drainage.
Optionally, the pressure filter is a stainless steel mechanical filter, and quartz sand, activated carbon and manganese sand are filled in the stainless steel mechanical filter.
By adopting the technical scheme, the quartz sand and the activated carbon can fully filter impurities in rainwater, filter suspended matter mechanical impurities, organic matters and the like, reduce the turbidity of water, adsorb and remove pigments, organic matters, residual chlorine, colloid and the like in the water and meet the requirement of recycling the water quality; and the manganese sand can remove ferrous ions in water, so that a good rainwater filtering effect is achieved.
Optionally, a water through hole is formed in the surface, close to the torsion spring, of the blocking plate.
Through adopting above-mentioned technical scheme, the setting of limbers can conveniently let the rainwater be difficult for receiving blockking of barrier plate and normally flow when rivers are less.
In summary, the present application includes at least one of the following beneficial technical effects:
1. abandon a class device through the initial stage and carry out a preliminary class of abandoning to the district rainwater, let the particle impurity in the rainwater carry out preliminary filtering, then through setting up ecological rainwater recycle system, realized the main collection to the district rainwater. Firstly, the volcanic rock purification functional area is arranged at the initial section of the artificial lake, so that the water purification function of the volcanic rock is fully exerted, and the rainwater is subjected to primary purification treatment, so that on one hand, a precondition is prepared for rainwater recycling, and on the other hand, a foundation is laid for guaranteeing the quality of reuse water. Secondly, introducing the primarily purified rainwater into a rainwater reservoir, further purifying the rainwater by using granular volcanic rocks, and filtering the rainwater by using a pressure filter to remove ferrous ions in the rainwater; filtering suspended matter mechanical impurities, organic matters and the like, and reducing the turbidity of water; the pigment, organic matter, residual chlorine, colloid and the like in the water are adsorbed and removed, the requirement of recycling the water quality is met, and the effect of recycling a large amount of rainwater is achieved;
2. when the water flow is large, the blocking plate can be flushed to the pipe orifice side far away from the water inlet pipe to incline, and the blocking plate can push the shifting rod to move downwards, so that the sliding cylinder drives the plugging ball to vertically move downwards, and the spring is stretched; the blocking ball is positioned right above the pipe orifice of the waste flow pipe, so that the blocking ball moves downwards to directly block the pipe orifice of the waste flow pipe, rainwater entering from the water inlet pipe directly flows to a flow discarding area, then enters a filtered area after being filtered by the filter screen plate and finally flows into the artificial lake from the water outlet pipe, and the effect of normally filtering the rainwater is achieved; when the rivers undersize is not enough to be washed away the barrier plate, the driving lever no longer receives the barrier plate promotion this moment, and the spring becomes natural state from tensile state, and the slide cartridge just can be pulling the shutoff ball and is shifting up for the shutoff ball is no longer stopped up and is abandoned the flow tube, and the rainwater can be directly from the income water pipe to abandoning the class district this moment, will abandon direct inflow in the class district of remaining impurity washout back abandoning the flow tube, thereby reach the effect of conveniently carrying out the washing clearance to abandoning in the class incasement.
Drawings
Fig. 1 is a schematic flow diagram of the present application.
Fig. 2 is a schematic structural diagram for showing a rainwater discarding device according to an embodiment of the present application.
Fig. 3 is a sectional view for showing an internal structure of a rainwater discarding apparatus according to an embodiment of the present application.
Description of reference numerals: 1. a rainwater discarding device; 2. a flow discarding box; 21. a flow abandoning area; 22. a post-filtration zone; 23. a diversion bevel; 3. a water inlet pipe; 4. a water outlet pipe; 5. a flow discharge pipe; 6. a filter assembly; 61. a filter screen plate; 7. a water flow opening and closing component; 71. a rebound flow-blocking portion; 711. a torsion spring; 712. a blocking plate; 7121. a water through hole; 72. an elastic lifting part; 721. a vertical rod; 722. a spring; 723. a slide cylinder; 724. a deflector rod; 73. and (5) sealing the ball.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses advanced rainwater treatment process based on volcanic rock purification function. Referring to fig. 1, the advanced rainwater treatment process based on the volcanic rock purification function comprises the following steps:
initial rainwater discarding step: rainwater on the roof is collected, primary flow discarding and filtering are carried out on the rainwater through the rainwater flow discarding device 1, partial impurities are filtered out of the rainwater in the previous period, and the rainwater subjected to flow discarding is discharged into a sewage pipeline;
and (3) purifying medium blocky volcanic rocks: arranging a medium blocky volcanic rock purification functional area in an initial section of the artificial lake, filling a plurality of medium blocky volcanic rocks in the medium blocky volcanic rock purification functional area, and introducing the rainwater on the roof into the medium blocky volcanic rock purification functional area to preliminarily purify the rainwater on the roof; in the embodiment, the width of the medium blocky volcanic rock is 20-30 cm;
purifying the massive volcanic rocks: arranging a large volcanic rock purification functional area at the initial section of the artificial lake, filling a plurality of large volcanic rocks in the large volcanic rock purification functional area, and gathering rainwater on the ground and a green belt into the large volcanic rock purification functional area to preliminarily purify the rainwater on the ground and the green belt; in the embodiment, the width of the massive volcanic rock is 30-40 cm;
water storage step: arranging a rainwater reservoir, leading rainwater on the ground and in a green belt from the massive volcanic rock purification functional area into the rainwater reservoir through a water pump, leading rainwater on a roof from the medium massive volcanic rock purification functional area into the rainwater reservoir through the water pump, and uniformly storing the rainwater; in this embodiment, the rainwater cistern is PP retaining module, and PP retaining module can realize that the rainwater is collected, is stored, is transferred and holds. During rainfall, the peak flow of the rainwater runoff is temporarily stored in the rainwater collecting pool, and the rainwater is slowly discharged from the rainwater collecting pool after the maximum flow is reduced. Therefore, the method not only can avoid the peak of the rainwater and realize the cyclic utilization of the rainwater, but also can avoid the pollution of the initial rainwater on the bearing water body, and can play a positive role in the drainage scheduling among drainage areas;
secondary purification step: arranging a granular volcanic rock secondary purification tank, and introducing rainwater in a rainwater storage tank into the granular volcanic rock secondary purification tank through a water pump for secondary purification; in the embodiment, the width of the granular volcanic rocks is 0.1-1 cm; the smaller the volcanic rock, the better the purification effect because of the large contact area with the rainwater. When the previous stage of purification is carried out, the large and medium-block volcanic rocks can play a role in purification and also play a role in beauty;
a pressure filtration step: arranging a pressure filter, and introducing the rainwater subjected to secondary purification into pressure filter equipment again through a water pump to remove most ferrous ions, suspended matters, organic matters, pigments, residual chlorine and colloid in the water; in this embodiment, the pressure filter is a stainless steel mechanical filter, quartz sand, activated carbon and manganese sand are filled in the stainless steel mechanical filter, and the stainless steel mechanical filter is a common filtering device in the market and can treat sewage; the quartz sand and the activated carbon can fully filter impurities in rainwater, filter suspended matter mechanical impurities, organic matters and the like, reduce the turbidity of water, adsorb and remove pigments, organic matters, residual chlorine, colloids and the like in the water, and meet the requirement of recycling water quality; the manganese sand can remove ferrous ions in the water, so that a good rainwater filtering effect is achieved;
a disinfection step: arranging a rainwater clean water tank, introducing rainwater filtered by the pressure filter into the rainwater clean water tank through a water pump, and arranging a disinfection device in the rainwater clean water tank to carry out final disinfection treatment on the purified rainwater; in this embodiment, the disinfection device is a self-cleaning water tank disinfector, and can also be an ozone disinfector.
As shown in fig. 2 and 3, the rainwater discarding device 1 comprises a discarding box 2, a water inlet pipe 3, a water outlet pipe 4, a discarding flow pipe 5, a filtering component 6 and a water flow opening and closing component 7; the water inlet pipe 3, the water outlet pipe 4 and the waste flow pipe 5 are communicated with the waste flow box 2, the water inlet pipe 3 is welded on the side wall, close to the top wall, of the waste flow box 2, the water outlet pipe 4 is welded on the side wall, close to the bottom wall, of the waste flow box 2 and far away from the water inlet pipe 3, and the waste flow pipe 5 is welded on the bottom wall of the waste flow box 2; the filtering component 6 is arranged in the flow discarding box 2 and is positioned between the water inlet pipe 3 and the water outlet pipe 4, the filtering component 6 is used for filtering impurities in rainwater, the filtering component 6 is a filtering screen 61 in the embodiment, the filtering screen 61 divides the flow discarding box 2 into a flow discarding area 21 and a post-filtering area 22, the filtering screen 61 is positioned between the water inlet pipe 3 and the water outlet pipe 4, and a pipe orifice at one end of the flow discarding pipe 5 is positioned in the flow discarding area 21; the water flow opening and closing assembly 7 is installed in the water flow abandoning box 2, and the water flow opening and closing assembly 7 is used for automatically closing the water flow abandoning pipe 5 when the water flow is large so as to enable rainwater to flow from the water inlet pipe 3 to the water outlet pipe 4, and automatically opening the water flow abandoning pipe 5 when the water flow is small so as to enable the rainwater to flow from the water inlet pipe 3 to the water flow abandoning pipe 5; in this embodiment, a diversion inclined plane 23 is welded in the flow discarding box 2, the lowest end of the diversion inclined plane 23 is close to the pipe orifice end of the flow discarding pipe 5 in the flow discarding box 2, and the diversion inclined plane 23 can facilitate rainwater to enter the flow discarding pipe 5 more smoothly, and can also make impurities washed away more easily.
As shown in fig. 2 and 3, the water flow opening and closing assembly 7 includes a rebound flow blocking portion 71, an elastic lifting portion 72 and a blocking ball 73; the rebound flow-blocking part 71 is arranged at a pipe orifice at one end of the water inlet pipe 3 in the waste box 2, the rebound flow-blocking part 71 always has the tendency of moving towards the direction blocking the pipe orifice of the water inlet pipe 3, and the rebound flow-blocking part 71 opens the opening of the water inlet pipe 3 when being impacted by large water flow; specifically, the rebound flow blocking part 71 comprises a torsion spring 711 and a blocking plate 712, the blocking plate 712 is hinged to the pipe orifice end of the water inlet pipe 3, the torsion spring 711 is arranged at the hinged position of the blocking plate 712 and the pipe orifice end of the water inlet pipe 3, namely, one end of the torsion spring 711 is connected with the pipe orifice of the water inlet pipe 3, the other end of the torsion spring 711 is welded with the blocking plate 712, and the torsion spring 711 enables the blocking plate 712 to always have a tendency of rotating towards the pipe orifice side of the water inlet pipe 3; the blocking plate 712 does not completely block the opening of the inlet pipe 3, so that the blocking plate 712 can be prevented from completely preventing the normal circulation of rainwater, and the rainwater can normally circulate in many hours.
As shown in fig. 2 and 3, the elastic lifting portion 72 is installed in the waste flow box 2 and is used for driving the blocking ball 73 to lift in the vertical direction, and when the rebound flow blocking portion 71 moves to the pipe orifice side far away from the water inlet pipe 3, the elastic lifting portion 72 drives the blocking ball 73 to move vertically downwards to block the pipe orifice of the waste flow pipe 5; when the rebound flow blocking part 71 moves towards the pipe orifice side close to the water inlet pipe 3, the elastic lifting part 72 drives the blocking ball 73 to vertically move upwards to open the pipe orifice of the waste flow pipe 5; specifically, the elastic lifting part 72 comprises a vertical rod 721, a spring 722, a sliding cylinder 723 and a shifting rod 724, the vertical rod 721 is vertically welded on the top wall of the waste water tank 2 and is positioned above the pipe orifice of the waste water pipe 5, and the sliding cylinder 723 is slidably sleeved on the vertical rod 721; the spring 722 is sleeved on the vertical rod 721 and positioned above the sliding barrel 723, one end of the spring 722 is welded with the sliding barrel 723, the blocking ball 73 is welded at the pipe orifice end of the sliding barrel 723 close to the flow discharge pipe 5, and the blocking ball 73 is positioned right above the pipe orifice of the flow discharge pipe 5; the deflector rod 724 is welded at one end of the sliding barrel 723 away from the blocking ball 73 and is used for contacting with the blocking plate 712; when the blocking plate 712 is impacted by water flow and inclines to the side far away from the pipe orifice of the water inlet pipe 3, the blocking plate 712 pushes the poking rod 724 to vertically move downwards so that the blocking ball 73 blocks the pipe orifice of the waste pipe 5; and the water through hole 7121 is formed in the plate surface, close to the torsion spring 711, of the blocking plate 712, and the water through hole 7121 can facilitate that rainwater is not easily blocked by the blocking plate 712 to flow normally when the water flow is small.
When the water flow is large, the blocking plate 712 is flushed away to incline toward the pipe orifice side away from the water inlet pipe 3, and at this time, the blocking plate 712 pushes the shift rod 724 to move downwards, so that the sliding cylinder 723 drives the blocking ball 73 to move vertically downwards, and at this time, the spring 722 is stretched; because the blocking ball 73 is positioned right above the pipe orifice of the waste flow pipe 5, the blocking ball 73 moves downwards to directly block the pipe orifice of the waste flow pipe 5, so that rainwater entering from the water inlet pipe 3 can directly flow to the waste flow area 21, then the rainwater enters the filtered area 22 after being filtered by the filter screen plate 61, and finally the rainwater flows into the artificial lake from the water outlet pipe 4, so that the effect of normally filtering the rainwater is achieved; when the water flow is too small to flush the blocking plate 712, the rod 724 is not pushed by the blocking plate 712, the spring 722 is changed from the stretching state to the natural state, the sliding cylinder 723 pulls the blocking ball 73 to move upwards, so that the blocking ball 73 does not block the flow abandoning pipe 5, rainwater can directly flow to the flow abandoning area 21 from the water inlet pipe 3 at the moment, residual impurities in the flow abandoning area 21 are flushed and then directly flow into the flow abandoning pipe 5, and the effect of conveniently flushing and cleaning the inside of the flow abandoning box 2 is achieved.
The implementation principle of the advanced rainwater treatment process based on the volcanic rock purification function in the embodiment of the application is as follows: roof rainwater is communicated with the water inlet pipe 3 through a rain drop pipe and enters the initial stage flow discarding device, a flow discarding pipe 5 in the initial stage flow discarding device is communicated with a sewage pipeline, and a water outlet pipe 4 is communicated with an artificial lake. Primarily filtering the roof rainwater through an initial flow discarding device, and then flowing into a medium blocky volcanic rock primary purification tank; and ground and greenbelt rainwater directly let in massive volcanic rock one-level purification pond, concentrate with roofing rainwater after purifying and let in the rainwater cistern, take out the rainwater in the rainwater cistern to graininess volcanic rock second grade purification pond through the circulating pump after next, through second grade purification, let in pressure filter and carry out filter-pressing once more, let in rainwater clean water basin at last, carry out final disinfection treatment with degassing unit to the rainwater, these rainwater alright in order to utilize.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A deep rainwater treatment process based on a volcanic rock purification function is characterized in that: the method comprises the following steps:
initial rainwater discarding step: rainwater on the roof is collected, primary flow discarding and filtering are carried out on the rainwater through a rainwater flow discarding device (1), partial impurities are filtered out of the rainwater in the previous period, and partial rainwater subjected to flow discarding is discharged into a sewage pipeline;
and (3) purifying medium blocky volcanic rocks: arranging a medium blocky volcanic rock purification functional area in an initial section of the artificial lake, filling a plurality of medium blocky volcanic rocks in the medium blocky volcanic rock purification functional area, and introducing the rainwater on the roof into the medium blocky volcanic rock purification functional area to preliminarily purify the rainwater on the roof;
purifying the massive volcanic rocks: arranging a large volcanic rock purification functional area at the initial section of the artificial lake, filling a plurality of large volcanic rocks in the large volcanic rock purification functional area, and gathering rainwater on the ground and a green belt into the large volcanic rock purification functional area to preliminarily purify the rainwater on the ground and the green belt;
water storage step: arranging a rainwater reservoir, leading rainwater on the ground and in a green belt into the rainwater reservoir from the massive volcanic rock purification functional area, leading rainwater on a roof into the rainwater reservoir from the medium massive volcanic rock purification functional area, and uniformly storing the rainwater;
secondary purification step: arranging a granular volcanic rock secondary purification tank, and introducing rainwater in the rainwater storage tank into the granular volcanic rock secondary purification tank for secondary purification;
a pressure filtration step: arranging a pressure filter, and introducing the rainwater subjected to secondary purification into pressure filter equipment again to remove most ferrous ions, suspended matters, organic matters, pigments, residual chlorine and colloid in the water;
a disinfection step: and arranging a rainwater clean water tank, introducing the rainwater filtered by the pressure filter into the rainwater clean water tank, and arranging a disinfection device in the rainwater clean water tank to carry out final disinfection treatment on the purified rainwater.
2. The deep treatment process of rainwater based on volcanic rock purification function according to claim 1, wherein the deep treatment process comprises the following steps: the rainwater discarding device (1) comprises a discarding box (2), a water inlet pipe (3), a water outlet pipe (4), a discarding pipe (5), a filtering component (6) and a water flow opening and closing component (7); the water inlet pipe (3), the water outlet pipe (4) and the flow abandoning pipe (5) are communicated with the flow abandoning box (2), the water inlet pipe (3) is arranged on the side wall, close to the top wall, of the flow abandoning box (2), the water outlet pipe (4) is arranged on the side wall, close to the bottom wall, of the flow abandoning box (2) and far away from the water inlet pipe (3), and the flow abandoning pipe (5) is arranged on the bottom wall of the flow abandoning box (2); the filtering component (6) is arranged in the flow discarding box (2) and is positioned between the water inlet pipe (3) and the water outlet pipe (4), and the filtering component (6) is used for filtering impurities in rainwater; the water flow opening and closing assembly (7) is installed in the water flow discarding box (2), and the water flow opening and closing assembly (7) is used for automatically closing the water flow discarding pipe (5) when the water flow is large, enabling rainwater to flow to the water outlet pipe (4) from the water inlet pipe (3), and automatically opening the water flow discarding pipe (5) when the water flow is small, enabling the rainwater to flow to the water flow discarding pipe (5) from the water inlet pipe (3).
3. The deep treatment process of rainwater based on volcanic rock purification function according to claim 2, wherein the deep treatment process comprises the following steps: filter component (6) are including installing filter plate (61) in abandoning flow tube (5), filter plate (61) will abandon flow box (2) and divide into abandon flow area (21) and strain two regions in back district (22), just filter plate (61) are in the position between oral siphon (3) and outlet pipe (4), the one end mouth of pipe of abandoning flow tube (5) is located abandon in flow area (21).
4. The deep treatment process of rainwater based on volcanic rock purification function according to claim 2, wherein the deep treatment process comprises the following steps: the water flow opening and closing assembly (7) comprises a rebound flow blocking part (71), an elastic lifting part (72) and a blocking ball (73); the rebound flow blocking part (71) is arranged at a pipe orifice at one end of the water inlet pipe (3) in the flow discarding box (2), the rebound flow blocking part (71) always has a tendency of moving towards a direction blocking the pipe orifice of the water inlet pipe (3), and the rebound flow blocking part (71) opens an opening of the water inlet pipe (3) when being impacted by large water flow; the elastic lifting part (72) is installed in the flow discarding box (2) and used for driving the blocking ball (73) to ascend and descend in the vertical direction, and when the rebound flow blocking part (71) moves to the pipe orifice side far away from the water inlet pipe (3), the elastic lifting part (72) drives the blocking ball (73) to vertically move downwards to block the pipe orifice of the flow discarding pipe (5); when the rebound flow blocking part (71) moves towards the pipe orifice side close to the water inlet pipe (3), the elastic lifting part (72) drives the blocking ball (73) to vertically move upwards to open the pipe orifice of the flow abandoning pipe (5).
5. The deep treatment process of rainwater based on volcanic rock purification function according to claim 4, wherein the deep treatment process comprises the following steps: the rebound flow blocking part (71) comprises a torsion spring (711) and a blocking plate (712), the blocking plate (712) is hinged to the pipe orifice end of the water inlet pipe (3), the torsion spring (711) is arranged at the hinged position of the blocking plate (712) and the pipe orifice end of the water inlet pipe (3), and the torsion spring (711) enables the blocking plate (712) to always have the tendency of rotating towards the pipe orifice side of the water inlet pipe (3); the elastic lifting part (72) comprises a vertical rod (721), a spring (722), a sliding cylinder (723) and a shifting rod (724), the vertical rod (721) is vertically arranged on the top wall of the waste flow box (2) and is positioned above the pipe orifice of the waste flow pipe (5), and the sliding cylinder (723) is slidably sleeved on the vertical rod (721); the spring (722) is sleeved on the vertical rod (721) and positioned above the sliding barrel (723), one end of the spring (722) is connected with the sliding barrel (723), the blocking ball (73) is arranged at the pipe orifice end, close to the flow discharge pipe (5), of the sliding barrel (723), and the blocking ball (73) is positioned right above the pipe orifice of the flow discharge pipe (5); the shifting rod (724) is arranged at one end, far away from the blocking ball (73), of the sliding barrel (723) and is used for being in contact with the blocking plate (712); when the blocking plate (712) is impacted by water flow and inclines to the side far away from the pipe orifice of the water inlet pipe (3), the blocking plate (712) pushes the poking rod (724) to vertically move downwards so that the blocking ball (73) blocks the pipe orifice of the waste flow pipe (5).
6. The deep treatment process of rainwater based on volcanic rock purification function according to claim 2, wherein the deep treatment process comprises the following steps: a flow guide inclined plane (23) is arranged in the flow discarding box (2), and the lowest end of the flow guide inclined plane (23) is close to the pipe orifice end of the flow discarding pipe (5) in the flow discarding box (2).
7. The deep treatment process of rainwater based on volcanic rock purification function according to claim 1, wherein the deep treatment process comprises the following steps: the rainwater reservoir is a PP water storage module.
8. The deep treatment process of rainwater based on volcanic rock purification function according to claim 1, wherein the deep treatment process comprises the following steps: the pressure filter tank is a stainless steel mechanical filter, and quartz sand, activated carbon and manganese sand are filled in the stainless steel mechanical filter.
9. The deep treatment process of rainwater based on volcanic rock purification function according to claim 5, wherein the deep treatment process comprises the following steps: the surface of the blocking plate (712) close to the torsion spring (711) is provided with a water through hole (7121).
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