CN116173584A - Rainwater treatment device and method - Google Patents

Rainwater treatment device and method Download PDF

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Publication number
CN116173584A
CN116173584A CN202310260502.7A CN202310260502A CN116173584A CN 116173584 A CN116173584 A CN 116173584A CN 202310260502 A CN202310260502 A CN 202310260502A CN 116173584 A CN116173584 A CN 116173584A
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CN
China
Prior art keywords
sewage
water
tank
plug
filter screen
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Pending
Application number
CN202310260502.7A
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Chinese (zh)
Inventor
何金星
李静
刘克伟
郭帅
魏双龙
党元元
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Sinohydro Bureau 6 Co Ltd
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Sinohydro Bureau 6 Co Ltd
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Application filed by Sinohydro Bureau 6 Co Ltd filed Critical Sinohydro Bureau 6 Co Ltd
Priority to CN202310260502.7A priority Critical patent/CN116173584A/en
Publication of CN116173584A publication Critical patent/CN116173584A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a rainwater treatment device, which comprises: the bottom of the water collecting tank is provided with a first water outlet, a second water outlet and a sewage outlet, and the first water outlet and the second water outlet are respectively provided with a first sealing plug and a second sealing plug correspondingly; the filter cartridge is coaxially arranged in the water collecting tank, and a filter screen is arranged in the middle of the filter cartridge; the top of the clear water tank is communicated with the first water outlet; the top of the sewage tank is communicated with the second water outlet and the sewage outlet; the dirt guiding pipe is coaxially provided with a third sealing plug. According to the invention, the floating ball is arranged in the filter cylinder, when the filter screen is blocked, the floating ball is driven to move upwards by utilizing the buoyancy effect of water, so that the drain outlet and the second drain outlet are automatically opened, the first drain outlet is closed, the filter screen is automatically cleaned, meanwhile, the sewage for cleaning the filter screen can be collected into the sewage tank, and the sewage for cleaning the filter screen is prevented from flowing into the clean water tank, so that secondary pollution to the filtered and purified rainwater is avoided.

Description

Rainwater treatment device and method
Technical Field
The invention relates to the technical field of rainwater treatment. More particularly, the present invention relates to a rainwater treatment apparatus and method.
Background
The natural rainwater can be used as non-living water through filtration and purification treatment, for example, the natural rainwater can be used for irrigation of crops, groundwater supplementation or industrial water, and the like, so that the problem of water resource shortage facing the world is solved, and the overload pressure of the municipal underground drainage network caused by heavy rainfall can be relieved.
In the prior art, a simple rainwater grate is adopted to filter rainwater, when the rainwater passes through the grate, impurities such as soil and leaves are mixed in the rainwater to block water filtering holes of the grate, the water filtering rate of the grate is reduced, the water draining capacity is caused to keep up with the rainfall speed, and the discharged rainwater can cause the road surface to be submerged, so that normal travel of people is influenced.
In order to solve the problem that the comb drainage hole is blocked in the rainwater filtration process, the patent with the application number of 201811533743.X discloses a filtering device of a rainwater collection system, it can push impurity pushing plates to reciprocate on the filter screen in the rainwater filtration process through setting up pushing components and power components, and then realize cleaning up the impurity adhered on the filter screen, although the problem that the filter hole is blocked by impurity is solved, the start-up of the power components in the above-mentioned patent technology needs artificial control, and can not carry out automatic cleaning operation according to the jam condition of filter screen, simultaneously, to the filter screen cleaning process, the earth or the leaf adhered on the filter screen can be crushed, and then can pass the filter screen inflow and filter in purified water, lead to the secondary pollution of the rainwater after the filtration purification.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention also aims to provide a rainwater treatment device, which is characterized in that the floating ball is arranged in the filter cylinder, when the filter screen is blocked, the floating ball is driven to move upwards by utilizing the buoyancy effect of water, the sewage drain and the second water drain are further opened automatically, the first water drain is closed, the automatic cleaning of the filter screen is realized, meanwhile, the sewage for cleaning the filter screen can be collected into the sewage tank, and the secondary pollution to the filtered and purified rainwater caused by the sewage for cleaning the filter screen flowing into the clean water tank is avoided.
It is still another object of the present invention to provide a method for treating rainwater, which uses the above-mentioned filter screen with automatic cleaning function to isolate the cleaned sewage from the clean water tank, and filters the rainwater to ensure the efficiency and continuity of rainwater treatment, and at the same time, can prevent the sewage generated by cleaning the filter screen from causing secondary pollution to the filtered water in the clean water tank.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a rainwater treatment device including:
the water collecting tank is of a hollow cylinder structure, a first water outlet, a second water outlet and a drain outlet are arranged at the bottom of the water collecting tank, the circle center of the drain outlet is positioned on the axis of the water collecting tank, the first water outlet is correspondingly provided with a first sealing plug, and the second water outlet is correspondingly provided with a second sealing plug;
the filter cartridge is coaxially arranged in the water collecting tank, is of a hollow truncated cone structure with a large upper part and a small lower part and two open ends, the top edge of the filter cartridge is in sealing connection with the top edge of the water collecting tank, and the bottom edge of the filter cartridge is in sealing connection with the drain outlet; a circle of filter screen is arranged in the middle of the filter cartridge along the circumferential direction; a floating ball is movably arranged in the filter cartridge along the vertical direction; the top of the filter cartridge is communicated with a rainwater drainage pipeline;
the clear water tank is arranged below the water collecting tank, the top of the clear water tank is communicated with the first water outlet, and the bottom of the clear water tank is provided with a water outlet;
the sewage tank is arranged below the water collecting tank, the top of the sewage tank is communicated with the second water outlet and the sewage outlet, and a sewage hole is formed in the bottom of the sewage tank;
the sewage guide pipe is arranged in the water collecting tank, the sewage guide pipe is of a round platform structure with a big top and a small bottom, the top edge of the sewage guide pipe is in sealing connection with the sewage drain, a third sealing plug of a conical structure is coaxially arranged in the sewage guide pipe, and the top of the third sealing plug is connected with the floating ball.
Preferably, the rainwater treatment device further comprises a cleaning mechanism, which comprises:
the cleaning brush is arranged in the filter cartridge, the cleaning brush is parallel to a bus of the filter cartridge, bristles of the cleaning brush are attached to the filter screen, and two ends of the cleaning brush are respectively connected with the inner wall of the filter cartridge in a rotating manner along the circumferential direction;
the upper end of the threaded rod is connected with the bottom of the floating ball, the lower end of the threaded rod is connected with the third plugging plug, and the threaded rod and the third plugging plug are coaxially arranged;
the thread sleeve is rotationally sleeved on the threaded rod, and one side of the thread sleeve is connected with the bottom of the cleaning brush through a first connecting rod.
Preferably, in the rainwater treatment device, a fourth sealing plug is arranged in the sewage draining hole;
the upper part of the sewage tank is provided with an overflow port communicated with the clean water tank, and a filter screen is arranged in the overflow port.
Preferably, in the rainwater treatment device, the first blocking plug is connected with the bottom surface of the water collecting tank, the second blocking plug is connected with the bottom surface of the water collecting tank, and the fourth blocking plug is connected with the bottom surface of the sewage tank through a first telescopic rod which is vertically arranged.
Preferably, the rainwater treatment device further comprises:
the upper end of the spring is connected with the first blocking plug, and the lower end of the spring is connected with the bottom surface of the water collection tank;
one end of the rope body is connected with the bottom of the first sealing plug, the other end of the rope body extends vertically downwards, extends obliquely upwards to the interior of the sewage tank through a fixed pulley arranged at the bottom of the clean water tank and is connected with the lower part of the third sealing plug;
the upper end of the second connecting rod is connected with the third blocking plug, and the lower end of the second connecting rod is connected with the top of the fourth blocking plug; the bottom of the second sealing plug is connected with the second connecting rod through a third connecting rod;
when the distance between the water level in the filter cartridge and the top of the filter screen is not less than one third of the height of the filter screen, the third sealing plug is positioned at the lower limit position to seal the sewage guide pipe, at the moment, the first sealing plug is positioned above the first water outlet, the second sealing plug seals the second water outlet, and the fourth sealing plug seals the sewage drain hole; when the distance between the water level in the filter cylinder and the top of the filter screen is smaller than one third of the height of the filter screen, the floating ball floats upwards along with the rising of the water level in the filter cylinder to drive the third blocking plug to move upwards to remove the blocking of the dirt guiding pipe, meanwhile, under the matching action of the rope body, the first blocking plug moves downwards to block the first water outlet, and under the matching action of the second connecting rod and the third connecting rod, the second blocking plug and the fourth blocking plug move upwards to open the second water outlet and the dirt discharging hole.
Preferably, in the rainwater treatment device, the top of the floating ball is connected with the top of the water collection tank through a second telescopic rod, and the second telescopic rod and the third blocking plug are coaxially arranged.
Preferably, in the rainwater treatment device, the other side of the threaded sleeve is rotatably connected with the sewage outlet through a fourth connecting rod.
The invention also provides a rainwater treatment method, which utilizes the rainwater treatment device to treat rainwater.
The invention at least comprises the following beneficial effects:
1. according to the invention, when the meshes of the filter screen are blocked, the water outlet is automatically switched, so that the filter screen is automatically cleaned, and the rainwater filtering rate is ensured; meanwhile, sewage generated by cleaning the filter screen can be discharged to the sewage tank, so that secondary pollution of the sewage to the filtered clean water in the clean water tank is avoided, and good water quality of the filtered water in the clean water tank is ensured;
2. the invention provides the cleaning mechanism, which comprises the cleaning brush attached to the inner wall of the filter screen, the cleaning brush can rotate along the circumferential direction around the axis of the filter cylinder relative to the filter screen, the meshes of the filter screen can be cleaned more effectively, the rotation of the cleaning brush is driven by the upward movement and the downward movement of the floating ball through the threaded rod, the threaded sleeve and the first connecting rod, the cleaning effect and the efficiency of the filter screen are improved, the equipment structure is simplified, an additional power mechanism for the rotation of the cleaning brush is not required, and the equipment cost is reduced;
3. the invention further designs a spring which is used for elastically connecting the first sealing plug with the bottom surface of the water tank, a rope body which is used for associating the first sealing plug with the third sealing plug, a second connecting rod which is used for associating the fourth sealing plug with the third sealing plug, and a third connecting rod which is used for associating the second sealing plug with the third sealing plug in a matching way; the floating ball sinks to drive the third blocking plug to move downwards, the first blocking plug automatically moves upwards to open the first water outlet under the action of spring force, and the fourth blocking plug and the second blocking plug are driven to move downwards under the action of the second connecting rod and the third connecting rod, so that the sewage draining hole and the second water outlet are blocked.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of a rainwater treatment apparatus according to an embodiment of the present invention in a filtering state;
fig. 2 is a schematic structural view of a rainwater treatment device according to another embodiment of the present invention in a state of cleaning a filter screen;
fig. 3 is a schematic structural view of the filter cartridge according to another embodiment of the present invention.
Reference numerals illustrate: 1-a water collecting tank; 11-a first drain port; 111-first occlusion; 12-a second drain port; 121-a second closure plug; 13-a sewage outlet; 2-a filter cartridge; 21-a filter screen; 22-floating ball; 221-a second telescopic rod; 3-a clean water tank; 4-a sewage tank; 41-a blow-down hole; 411-fourth occlusion; 42-overflow port; 5-a dirt guiding pipe; 51-third blocking; 61-cleaning brushes; 62-a threaded rod; 63-a threaded sleeve; 64-a first connecting rod; 65-fourth connecting rod; 7-a first telescopic rod; 81-springs; 82-rope body; 83-fixed pulley; 84-a second connecting rod; 85-third connecting rod.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a rainwater treatment apparatus including:
the water collecting tank 1 is of a hollow cylinder structure, a first water outlet 11, a second water outlet 12 and a drain outlet 13 are arranged at the bottom, the center of the drain outlet 13 is positioned on the axis of the water collecting tank, the first water outlet 11 is correspondingly provided with a first sealing plug 111, and the second water outlet 12 is correspondingly provided with a second sealing plug 121;
the filter cartridge 2 is coaxially arranged in the water collection tank 1, the filter cartridge 2 is of a hollow truncated cone structure with a large upper part and a small lower part and two open ends, the top edge of the filter cartridge 2 is in sealing connection with the top edge of the water collection tank 1, and the bottom edge of the filter cartridge 2 is in sealing connection with the drain 13; a circle of filter screen 21 is arranged in the middle of the filter cartridge 2 along the circumferential direction; a floating ball 22 is movably arranged in the filter cartridge along the vertical direction; the top of the filter cartridge 2 is communicated with a rainwater drainage pipeline;
a clear water tank 3, which is arranged below the water collecting tank 1, wherein the top of the clear water tank 3 is communicated with the first water outlet 11, and the bottom of the clear water tank is provided with a water outlet;
a sewage tank 4, which is arranged below the water collection tank 1, wherein the top of the sewage tank 4 is communicated with the second water outlet 12 and the sewage outlet 13, and the bottom is provided with a sewage hole 41;
the sewage guide pipe 5 is arranged in the water collection tank 1, the sewage guide pipe 5 is of a round table structure with a large upper part and a small lower part, the top edge of the sewage guide pipe 5 is in sealing connection with the sewage drain 13, a third sealing plug 51 of a conical structure is coaxially arranged in the sewage guide pipe 5, and the top of the third sealing plug 51 is connected with the floating ball 22.
In the technical scheme, the invention discloses a rainwater treatment device, which comprises a water collecting tank of a hollow cylinder structure, wherein the middle part of the bottom surface of the water collecting tank is provided with a sewage outlet, two sides of the water collecting tank are respectively provided with a first water outlet and a second water outlet, the inside of the water collecting tank is provided with a funnel-shaped filter cylinder with a big top and a small bottom, the top edge of the filter cylinder is in sealed connection with the top edge of the water collecting tank, the bottom edge of the filter cylinder is in sealed connection with the circumferential side wall of the sewage outlet, the filter cylinder divides the water collecting tank into a filtering area with a round platform structure with a big top and a small bottom, and a water collecting area with a circular structure is annularly arranged at the periphery of the filtering area, the filtering area and the water collecting area are communicated through a filter screen arranged at the middle part of the filter cylinder, rainwater enters the filtering area through a rainwater drainage pipeline, and rainwater in the filtering area enters the water collecting area through the filter screen; the floating ball is arranged in the filter cartridge, when the water level in the filter cartridge reaches a certain height, the floating ball can float along the vertical direction in the filter cartridge (the floating ball can float or fall along the path of the floating ball through a telescopic rod or a guide rod which is arranged vertically, so that the floating ball can move upwards or downwards along the vertical direction along with the rising or falling of the water level) and when the water level falls to a certain position, the floating ball moves vertically downwards along with the falling of the water level; the bottom of the water collecting tank is provided with a clean water tank and a sewage tank, the clean water tank is communicated with the water collecting area through a first water outlet, the sewage tank is communicated with the water collecting area through a drain outlet, a sewage guide pipe and a second water outlet, a third blocking plug connected with a floating ball is arranged in the sewage guide pipe, when meshes of a filter screen are not blocked, the first water outlet is opened, the second blocking plug closes the second water outlet, the third blocking plug closes the sewage guide pipe, the water collecting area is communicated with the clean water tank through the first water outlet, rainwater entering the filtering area can flow into the water collecting area through the filtration screen, then the filtered clean water is drained into the clean water tank through the first water outlet, the filtered clean water is collected in the clean water tank and discharged through a water outlet hole and serves as non-domestic water (such as for plant irrigation or underground water supplement), when meshes of the filter screen are blocked by impurities in rainwater, the rainwater of the filtering area is gathered too much, the floating ball drives the third blocking plug to move upwards, the sewage guide pipe is opened, at the same time, the first blocking plug closes the second water outlet is closed, the second blocking plug is communicated with the clean water tank through the first water outlet, rainwater inlet and the first water outlet can flow into the water collecting area through the first water outlet, the sewage outlet is communicated with the clean water outlet, the sewage outlet can flow into the sewage collecting area through the filtration screen through the water outlet, the sewage outlet can flow down the sewage outlet is directly, and the sewage outlet is cleaned to the sewage outlet, and can flow into the sewage filtering area, and the sewage tank, and the sewage drain channel is cleaned, and has the sewage drain sewage can flow and has the sewage drain sewage and has been directly and polluted;
according to the invention, when the meshes of the filter screen are blocked, the water outlet is automatically switched, so that the filter screen is automatically cleaned, and the rainwater filtering rate is ensured; meanwhile, the sewage generated by cleaning the filter screen can be discharged to the sewage tank, so that the secondary pollution of the sewage to the filtered clean water in the clean water tank is avoided, and the good water quality of the filtered water in the clean water tank is ensured.
The working principle of the invention is as follows: when the sewage is filtered in the earlier stage, meshes of a filter screen are not blocked, water entering a filter area can be timely discharged to a water collecting area through the filter screen, the buoyancy of a floating ball is insufficient to drive the floating ball to float upwards, a third blocking plug just blocks a sewage guide pipe, meanwhile, a second water outlet is blocked by a second blocking plug, a first water outlet is not blocked by a first blocking plug (namely, the first water outlet is in an open state), the water collecting area is communicated with a clean water tank through the first water outlet, and the water collecting area is not communicated with a sewage tank; the rainwater is filtered by a filter screen, and the filtered clear water is collected in a clear water tank;
after rainwater is filtered for a certain time, soil or leaf impurities in the rainwater are adhered to the inner wall of the filter screen, the mesh of the filter screen is blocked, so that the filtering rate is reduced, water in the filtering area is not discharged through the filter screen, the water in the filtering area is increased, the water level rises, the buoyancy of the floating ball is increased, under the action of the buoyancy force, the floating ball floats to drive the third blocking plug to move upwards, the sewage guide pipe is opened, meanwhile, when the third blocking plug moves upwards to open the sewage guide pipe, the first blocking plug closes the first water outlet, the second blocking plug moves to the upper side of the second water outlet to open the second water outlet, the rainwater in the filtering area directly flows downwards along the inner wall of the filter screen to wash the inner wall of the filter screen, the cleaning of the filter screen is realized, sewage generated in the cleaning process is discharged into the sewage tank through the sewage drain outlet and the sewage guide pipe, and the sewage can be discharged into a municipal drainage system through the sewage drain hole at the bottom of the sewage tank or conveyed to the top of the filter cartridge through a conveying mechanism to perform secondary filtration;
the water in filtering area is discharged through the drain, wash the inner wall of filter screen simultaneously under rivers action is used, wash the back to the inner wall of filter screen, the ponding in filtering area has obtained the release, the water level descends, the floater is along with the vertical downwardly moving of decline of water level, and then drive the third and seal the shutoff of blocking with the dirt guide pipe, simultaneously open first outlet (contact first shutoff is blocked to the shutoff of first outlet), the second shutoff is plugged and is removed to the position with second outlet shutoff, the rainwater in filtering area can normally filter through the filter screen again, and collect the rainwater after the filtration in the clear water tank via first outlet.
In another technical scheme, rainwater treatment device, still include wiper mechanism, it includes:
the cleaning brush 61 is arranged in the filter cartridge 2, the cleaning brush 61 is parallel to a bus of the filter cartridge 2, bristles of the cleaning brush 61 are attached to the filter screen 21, and two ends of the cleaning brush 61 are respectively connected with the inner wall of the filter cartridge 2 in a rotating manner along the circumferential direction;
the upper end of the threaded rod 62 is connected with the bottom of the floating ball 22, the lower end of the threaded rod 62 is connected with the third sealing plug 51, and the threaded rod 62 and the third sealing plug 51 are coaxially arranged;
the screw sleeve 63 is rotatably sleeved on the threaded rod 62, and one side of the screw sleeve 63 is connected with the bottom of the cleaning brush 61 through the first connecting rod 64. The thread sleeve is matched with the thread arranged on the threaded rod, a certain thread pitch is provided, the threaded rod and the threaded sleeve are guaranteed to be in spiral rotation connection, and therefore the threaded rod can be driven to perform linear motion in the vertical direction, and the threaded sleeve can be driven to perform circumferential rotation motion.
In the technical scheme, the cleaning mechanism is provided, the cleaning mechanism comprises the cleaning brush attached to the inner wall of the filter screen, the cleaning brush can rotate along the circumferential direction relative to the axis of the filter cylinder, meshes of the filter screen can be cleaned more effectively, the rotation of the cleaning brush is driven by the upward movement and the downward movement of the floating ball through the threaded rod, the threaded sleeve and the first connecting rod, the cleaning effect and the efficiency of the filter screen are improved, the equipment structure is simplified, an additional power mechanism for the rotation of the cleaning brush is not required, and the equipment cost is reduced;
specific: the floating ball moves up and down to drive the threaded rod to move up and down, the threaded rod is in spiral rotation connection with the threaded sleeve, the threaded rod moves up and down to drive the threaded sleeve to rotate (the threaded rod can only move up and down under the limiting action that the floating ball can only move in the vertical direction, the threaded sleeve is connected with the cleaning brush through the first connecting rod, the threaded sleeve can not move up and down under the limiting action of the cleaning brush and can only rotate in the circumferential direction), and the rotation of the threaded sleeve drives the cleaning brush to rotate relative to the filter screen, so that the whole filter screen is scrubbed.
In another technical scheme, in the rainwater treatment device, a fourth sealing plug 411 is arranged in the sewage draining hole 41;
the upper part of the sewage tank 4 is provided with an overflow port 42 communicated with the clean water tank 3, a filter screen is arranged in the overflow port, and the overflow port is preferably arranged on one side where the sewage guide pipe is arranged.
In the technical scheme, the fourth sealing plug is arranged in the sewage drain hole, and in the normal filtering state, the third sealing plug is positioned in the sewage guide pipe, the first water outlet is opened, the second water outlet is plugged by the second sealing plug, and the sewage drain hole is plugged by the fourth sealing plug; when the filter screen is blocked, the floating ball floats upwards, the third blocking plug moves upwards, the sewage guide pipe is opened, meanwhile, the first water outlet is blocked by the first blocking plug, the second water outlet is opened, the sewage generated in the filter screen cleaning process enters the sewage tank through the sewage outlet, the sewage guide pipe and the second water outlet, and then is discharged through the sewage outlet, the water discharge amount of the sewage outlet is far smaller than that of the sewage outlet and the second water outlet, and part of sewage can be reserved in the sewage tank; the third sealing plug moves downwards along with the floating ball to return (the third sealing plug seals the sewage guide pipe again), the first water outlet is opened again, the sewage guide pipe, the second water outlet and the sewage discharging hole are closed, water in the sewage tank can be filtered through the filter screen of the overflow port, and flows into the clean water tank, partial water resources can be further collected from the inside of the sewage tank, the overflow port is arranged on the upper part of the sewage tank, and the phenomenon that the filter screen filtering effect is influenced by sludge deposited in the sewage tank is avoided.
In another technical scheme, the rainwater treatment device is characterized in that the first blocking plug 111 is connected with the bottom surface of the water collecting tank 1, the second blocking plug 121 is connected with the bottom surface of the water collecting tank 1, and the fourth blocking plug is connected with the bottom surface of the sewage tank 4 through a first telescopic rod 7 which is vertically arranged. Through the first telescopic link of vertical setting, can carry out spacingly to the travel path that first seal is blocked, second seal is blocked and fourth seal is blocked, guarantee that first seal is blocked, second seal is blocked and fourth seal is blocked and keep the removal of vertical direction for first seal is blocked, second seal is blocked and fourth seal is blocked and can in time block up first outlet, second outlet and blowoff hole.
In another technical scheme, the rainwater treatment device further comprises:
the upper end of the spring 81 is connected with the top of the first sealing plug 111, and the lower end of the spring is connected with the bottom surface of the water collection tank 1;
a rope 82, one end of which is connected to the bottom of the first blocking plug 111, and the other end of which extends vertically downward, extends obliquely upward to the inside of the sewage tank 4 via a fixed pulley 83 provided at the bottom of the clean water tank 3, and is connected to the lower portion of the third blocking plug 51;
a second connecting rod 84, the upper end of which is connected with the third blocking plug 51, and the lower end of which is connected with the top of the fourth blocking plug 411; the bottom of the second blocking plug 121 is connected with the second connecting rod 84 through a third connecting rod 85;
when the distance between the water level in the filter cartridge 2 and the top of the filter screen 22 is not less than one third of the height of the filter screen 21, the third blocking plug 51 is located at the lower limit position to block the dirt guiding pipe 5, at this time, the first blocking plug 111 is located above the first drain port 11 (the spring is in a natural extension state or a slightly compressed state), the second blocking plug 121 blocks the second drain port 12, and the fourth blocking plug 411 blocks the drain hole 41; when the distance between the water level in the filter cartridge 2 and the top of the filter screen 21 is smaller than one third of the height of the filter screen 21, the floating ball 22 floats upwards along with the rising of the water level in the filter cartridge 2, drives the third blocking plug 51 to move upwards, and releases the blocking of the dirt guiding pipe 5, meanwhile, under the cooperation of the rope 82, the first blocking plug 111 moves downwards (the spring is compressed, and the first blocking plug automatically returns to a position above the first water outlet to store force) to block the first water outlet 11, and under the cooperation of the second connecting rod 84 and the third connecting rod 85, the second blocking plug 121 and the fourth blocking plug 411 move upwards to further open the second water outlet 12 and the dirt discharging hole 41.
In the technical scheme, the invention further designs a spring which elastically connects the first sealing plug with the bottom surface of the water collecting tank, a rope body which associates the first sealing plug with the third sealing plug, a second connecting rod which associates the fourth sealing plug with the third sealing plug and a third connecting rod which associates the second sealing plug with the third sealing plug in a matching way, in order to ensure the tightness of the rope body, a fixed pulley is arranged at the bottom of the clear water tank, the upward movement and the downward movement of a floating ball which drives the third sealing plug are realized, the upward movement of the first sealing plug, the second sealing plug and the fourth sealing plug can be synchronously driven, in particular, the upward movement of the floating ball drives the third sealing plug to move upwards, the downward movement of the first sealing plug is driven to seal the first water outlet under the action of the rope body and the fixed pulley, the upward movement of the fourth sealing plug and the second sealing plug is driven under the action of the second connecting rod and the third connecting rod, and the drain hole and the second water outlet are opened; the floating ball sinks to drive the third blocking plug to move downwards, the first blocking plug automatically moves upwards to open the first water outlet under the action of spring force, and the fourth blocking plug and the second blocking plug are driven to move downwards under the action of the second connecting rod and the third connecting rod, so that the sewage draining hole and the second water outlet are blocked.
In another technical scheme, in the rainwater treatment device, the top of the floating ball 22 is connected with the top of the water collection tank 1 through a second telescopic rod 221, and the second telescopic rod 221 and the third sealing plug 51 are coaxially arranged. Through setting up vertical second telescopic link at floater and header tank top, can carry out spacingly to the floater come-up, sink the route, guarantee that the removal of floater remains vertical upwards or vertical downwards all the time.
In another technical scheme, in the rainwater treatment device, the other side of the threaded sleeve 63 is rotatably connected with the sewage drain 13 through a fourth connecting rod 65. (set up round spout on the drain inner wall, the one end and the thread bush of second connecting rod are connected, and the other end passes through slider and spout sliding connection to set up the fourth connecting rod, rotate the thread bush along circumferencial direction with the drain and be connected, improve thread bush pivoted stability.
The invention also provides a rainwater treatment method, which is characterized in that the rainwater treatment device is used for treating rainwater, the rainwater drainage pipeline is communicated with the top of the filter cartridge, natural rainwater is drained into the filter cartridge through the rainwater drainage pipeline, the rainwater is filtered and purified through the filter screen, in the filtering process, when the filter screen is blocked, the rainwater treatment device can be automatically switched from a filtering state to a state of cleaning the filter screen, and after the meshes of the filter screen are cleaned, the rainwater treatment device is automatically switched to the filtering state to continuously filter the rainwater.
Specific: before or at an early stage of the rainwater treatment (a period in which the mesh of the filter screen is not clogged), the rainwater treatment apparatus is in a filtering state: the floating ball is positioned at the bottom of the filter cylinder, the third sealing plug seals the dirt guiding pipe, the first sealing plug is positioned above the first water outlet, the spring is in a natural extension state or a slight compression state, the second sealing plug seals the second water outlet, and the fourth sealing plug seals the dirt discharging hole;
after the rainwater is treated for a certain time, the meshes of the filter screen are blocked, and the rainwater treatment device is automatically switched to a state of cleaning the filter screen: natural rainwater enters the filter cartridge through the drainage pipeline, the mesh of the filter screen is blocked, more and more rainwater is accumulated in the filter cartridge, the water level rises, the buoyancy of the floating ball is increased, when the water level rises to the distance between the water level in the filter cartridge and the top of the filter screen and is smaller than one third of the height of the filter screen, the buoyancy of the floating ball is just equal to the gravity of the floating ball (the gravity at the position comprises the gravity of the floating ball and the additional gravity of other parts directly or indirectly connected with the floating ball) and is greater than the gravity of the floating ball when the water level continues to rise, the floating ball moves upwards along the vertical direction along with the rising of the water level to drive the third sealing plug to move upwards to open the dirt guiding pipe, the upward movement of the third sealing plug drives the first sealing plug to move downwards to close the first water outlet, the fourth sealing plug is driven to move upwards to open the dirt discharging hole to open the second water outlet, and the second sealing plug is driven to move upwards to open the second water outlet, and the filter screen is switched to a cleaning state; the floating ball moves upwards and simultaneously carries a threaded rod upwards, so that the threaded sleeve is driven to rotate, and the cleaning brush is driven to brush the filter screen;
the water in the filtering area is discharged through the drain outlet and the sewage guide pipe, meanwhile, water flow can wash and clean meshes of the filter screen, water level in the filtering area is lowered, the floating ball is sunk, the threaded rod and the third plugging plug are driven to move downwards, the threaded rod is driven to move downwards to drive the threaded sleeve to rotate reversely, the second sealing plug and the fourth plugging plug are driven to move downwards by the downward movement of the third sealing plug to plug the second water outlet and the sewage guide pipe again, the other end of the rope body is driven to move downwards by the downward movement of the third sealing plug, the first plugging plug moves upwards under the action of the elastic force of the spring, and then the first water outlet is opened again, and at the moment, the rainwater treatment device is restored to a filtering state.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (8)

1. Rainwater treatment device, characterized in that includes:
the water collecting tank is of a hollow cylinder structure, a first water outlet, a second water outlet and a drain outlet are arranged at the bottom of the water collecting tank, the circle center of the drain outlet is positioned on the axis of the water collecting tank, the first water outlet is correspondingly provided with a first sealing plug, and the second water outlet is correspondingly provided with a second sealing plug;
the filter cartridge is coaxially arranged in the water collecting tank, is of a hollow truncated cone structure with a large upper part and a small lower part and two open ends, the top edge of the filter cartridge is in sealing connection with the top edge of the water collecting tank, and the bottom edge of the filter cartridge is in sealing connection with the drain outlet; a circle of filter screen is arranged in the middle of the filter cartridge along the circumferential direction; a floating ball is movably arranged in the filter cartridge along the vertical direction; the top of the filter cartridge is communicated with a rainwater drainage pipeline;
the clear water tank is arranged below the water collecting tank, the top of the clear water tank is communicated with the first water outlet, and the bottom of the clear water tank is provided with a water outlet;
the sewage tank is arranged below the water collecting tank, the top of the sewage tank is communicated with the second water outlet and the sewage outlet, and a sewage hole is formed in the bottom of the sewage tank;
the sewage guide pipe is arranged in the water collecting tank, the sewage guide pipe is of a round platform structure with a big top and a small bottom, the top edge of the sewage guide pipe is in sealing connection with the sewage drain, a third sealing plug of a conical structure is coaxially arranged in the sewage guide pipe, and the top of the third sealing plug is connected with the floating ball.
2. A stormwater treatment device as claimed in claim 1, further comprising a washing mechanism comprising:
the cleaning brush is arranged in the filter cartridge, the cleaning brush is parallel to a bus of the filter cartridge, bristles of the cleaning brush are attached to the filter screen, and two ends of the cleaning brush are respectively connected with the inner wall of the filter cartridge in a rotating manner along the circumferential direction;
the upper end of the threaded rod is connected with the bottom of the floating ball, the lower end of the threaded rod is connected with the third plugging plug, and the threaded rod and the third plugging plug are coaxially arranged;
the thread sleeve is rotationally sleeved on the threaded rod, and one side of the thread sleeve is connected with the bottom of the cleaning brush through a first connecting rod.
3. The rainwater treatment device of claim 2, wherein a fourth plug is provided in the drain hole; the upper part of the sewage tank is provided with an overflow port communicated with the clean water tank, and a filter screen is arranged in the overflow port.
4. A stormwater treatment device as claimed in claim 3, wherein the first plug is connected to the bottom surface of the header tank, the second plug is connected to the bottom surface of the header tank, and the fourth plug is connected to the bottom surface of the sewage tank by a vertically arranged first telescopic rod.
5. A stormwater treatment device as claimed in claim 4, further comprising:
the upper end of the spring is connected with the first blocking plug, and the lower end of the spring is connected with the bottom surface of the water collection tank;
one end of the rope body is connected with the bottom of the first sealing plug, the other end of the rope body extends vertically downwards, extends obliquely upwards to the interior of the sewage tank through a fixed pulley arranged at the bottom of the clean water tank and is connected with the lower part of the third sealing plug;
the upper end of the second connecting rod is connected with the third blocking plug, and the lower end of the second connecting rod is connected with the top of the fourth blocking plug; the bottom of the second sealing plug is connected with the second connecting rod through a third connecting rod;
when the distance between the water level in the filter cartridge and the top of the filter screen is not less than one third of the height of the filter screen, the third sealing plug is positioned at the lower limit position to seal the sewage guide pipe, at the moment, the first sealing plug is positioned above the first water outlet, the second sealing plug seals the second water outlet, and the fourth sealing plug seals the sewage drain hole; when the distance between the water level in the filter cylinder and the top of the filter screen is smaller than one third of the height of the filter screen, the floating ball floats upwards along with the rising of the water level in the filter cylinder to drive the third blocking plug to move upwards to remove the blocking of the dirt guiding pipe, meanwhile, under the matching action of the rope body, the first blocking plug moves downwards to block the first water outlet, and under the matching action of the second connecting rod and the third connecting rod, the second blocking plug and the fourth blocking plug move upwards to open the second water outlet and the dirt discharging hole.
6. The rainwater treatment device according to claim 1, wherein the top of the floating ball is connected to the top of the water collection tank by a second telescopic rod, and the second telescopic rod is coaxially arranged with the third blocking member.
7. A stormwater treatment device as claimed in claim 2, wherein the other side of the threaded sleeve is rotatably connected to the drain by a fourth connecting rod.
8. A rainwater treatment method, characterized in that the rainwater treatment is performed by the rainwater treatment apparatus according to any one of claims 1 to 7.
CN202310260502.7A 2023-03-16 2023-03-16 Rainwater treatment device and method Pending CN116173584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310260502.7A CN116173584A (en) 2023-03-16 2023-03-16 Rainwater treatment device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310260502.7A CN116173584A (en) 2023-03-16 2023-03-16 Rainwater treatment device and method

Publications (1)

Publication Number Publication Date
CN116173584A true CN116173584A (en) 2023-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310260502.7A Pending CN116173584A (en) 2023-03-16 2023-03-16 Rainwater treatment device and method

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118105833A (en) * 2024-04-23 2024-05-31 江苏镀鑫环保科技有限公司 Industrial waste gas desulfurization, denitrification and dust removal equipment
CN118166895A (en) * 2024-04-14 2024-06-11 芜湖芙懈商贸有限公司 Green building rainwater recovery unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118166895A (en) * 2024-04-14 2024-06-11 芜湖芙懈商贸有限公司 Green building rainwater recovery unit
CN118105833A (en) * 2024-04-23 2024-05-31 江苏镀鑫环保科技有限公司 Industrial waste gas desulfurization, denitrification and dust removal equipment

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