CN113047408B - Rainwater storage tank operation device and method - Google Patents

Rainwater storage tank operation device and method Download PDF

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Publication number
CN113047408B
CN113047408B CN202110319450.7A CN202110319450A CN113047408B CN 113047408 B CN113047408 B CN 113047408B CN 202110319450 A CN202110319450 A CN 202110319450A CN 113047408 B CN113047408 B CN 113047408B
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China
Prior art keywords
water inlet
filter screen
filter
inlet pipeline
rainwater
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CN202110319450.7A
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Chinese (zh)
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CN113047408A (en
Inventor
邓宏荣
黄大全
张宝生
贾俊涛
罗舒怀
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PowerChina Eco Environmental Group Co Ltd
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PowerChina Eco Environmental Group Co Ltd
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Priority to CN202110319450.7A priority Critical patent/CN113047408B/en
Publication of CN113047408A publication Critical patent/CN113047408A/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters 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
    • B01D29/31Self-supporting filtering elements
    • B01D29/35Self-supporting filtering elements arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • B01D29/965Device for changing the inclination of the filtering element
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101Dedicated additional structures, interposed or parallel to the sewer system
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F7/00Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The invention provides a rainwater storage tank operation device and a method, which belong to the technical field of sponge cities and comprise a tank body, a connecting tank, a connecting sleeve, a water inlet pipeline, a working cavity and a lifting channel; be equipped with open structure on the connection pond, be equipped with the swing joint spare of being connected with the connection pond on the first filter, be equipped with a plurality of mounting grooves on the lateral surface of inlet channel, be equipped with the filter screen structure that can dismantle the connection on each mounting groove, the lower extreme and the work cavity of lift passageway are linked together. According to the rainwater storage tank operation device provided by the invention, rainwater is collected and filtered by virtue of the connecting tank, the connecting sleeve and the open structure and then enters the tank body, so that the rainwater is more comprehensively collected, the filtering structure in the underground water inlet pipeline is cleaned by virtue of the lifting channel and the working cavity, the first filter and the second filter are easily cleaned by virtue of the connecting tank on the ground, and the difficulty in cleaning the garbage is reduced.

Description

Rainwater storage tank operation device and method
Technical Field
The invention belongs to the technical field of sponge cities, and particularly relates to a rainwater storage tank operation device and a method.
Background
The sponge city is a new generation of city rain and flood management concept, means that the city can have good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like a sponge, and can also be called as a water elasticity city, the international general term is 'low-impact development rainwater system construction', water absorption, water storage, water seepage and water purification are carried out during raining, and the stored water is released and utilized when needed, so that the rainwater can freely migrate in the city.
Current regulation pond often the structure is fairly simple, often has a great deal of problem when collecting the rainwater, especially can have a large amount of rubbish to flow in the inside of regulation pond if the rainwater, causes the regulation pond to block up a large amount of rubbish, causes the filter screen to block up moreover easily, influences overall structure's use to present regulation pond only collects the rainwater that comes from the road surface, and the collection scope is comparatively unilateral.
Disclosure of Invention
The invention aims to provide a rainwater storage tank operation device and method, and aims to solve the technical problems that rainwater carries more garbage to enter a storage tank and the collection range is small in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the running device of the rainwater storage tank comprises a tank body, a connecting tank, a connecting sleeve, a water inlet pipeline, a working cavity and a lifting channel; the tank body is arranged below the ground; the upper end of the tank body is provided with a first water inlet and a second water inlet, and one side of the tank body is provided with a water outlet; the connecting pool is fixedly arranged on the ground; a third water inlet is formed in the lower end of the connecting pool and communicated with the second water inlet through a water passing pipeline; an open structure for rainwater to flow in is arranged on the connecting pool, a first filter positioned below the open structure is arranged in the connecting pool, and a movable connecting piece connected with the connecting pool is arranged on the first filter; the connecting sleeve is fixedly arranged on the connecting pool and is communicated with the inside of the connecting pool; the connecting sleeve is used for being communicated with a house drainage pipeline; a second filter positioned below the connecting sleeve is arranged in the connecting pool; the end of the water inlet pipeline is flush with the ground, and the lower end of the water inlet pipeline penetrates through the first water inlet and is positioned in the tank body; a plurality of mounting grooves communicated with the interior of the water inlet pipeline are formed in the outer side surface of the water inlet pipeline, and the mounting grooves are arranged from top to bottom; each mounting groove is provided with a filter screen structure which is detachably connected; the working cavity is arranged in the tank body and is connected with the outer side surface of the water inlet pipeline; the working cavity is used for disassembling and assembling the filter screen structures; the lifting channel is positioned on one side of the water inlet pipeline and above the working cavity; the lower end of the lifting channel is communicated with the working cavity.
As another embodiment of the present application, the open structure is a tapered cylinder with a large top and a small bottom, the first filter is a cylindrical filter screen, and the upper end of the cylindrical filter screen is connected with the lower end of the tapered cylinder; the movable connecting piece comprises a plurality of roller groups, a plurality of fixing piles and a plurality of connecting ropes, the roller groups are rotatably connected to the inner wall of the cylindrical body, the roller groups are arranged along the circumferential direction of the conical barrel, one end of each connecting rope is connected with the cylindrical filter screen, and the other end of each connecting rope bypasses a roller on the roller group and is detachably connected with the fixing pile; and opening the other end of one or more connecting ropes, pulling the connecting ropes up and down along the rollers on the roller group, and shaking impurities in the cylindrical filter screen.
As another embodiment of the present application, a plurality of strip grooves are formed in the inner wall of the tapered cylinder, and the length direction of the strip grooves is parallel to the length direction of a bus of the tapered cylinder; the roller group comprises two rollers which are respectively connected with the upper end and the lower end of the strip-shaped groove in a rotating way; be equipped with on the rectangular recess and be used for sealing two the apron of gyro wheel, the apron with form installation space between the rectangular recess.
As another embodiment of this application, the second filter is including locating casing in the connecting pool, be equipped with a plurality of first filter screens that set gradually from top to bottom in the casing, it is a plurality of the mesh of first filter screen reduces gradually from top to bottom.
As another embodiment of the present application, a plurality of elastic blocking pieces are arranged on the water passing pipeline, the plurality of elastic blocking pieces are arranged from top to bottom, and two adjacent elastic blocking pieces are respectively arranged on the opposite inner walls of the water passing pipeline; the length of the elastic baffle is greater than the radius of the water passing pipeline.
As another embodiment of the present application, the connection tank is integrally formed with the open structure.
As another embodiment of the present application, the installation groove is disposed on an inner pipe wall of the water inlet pipe, and one end of the installation groove is communicated with the tank body; the filter screen structure comprises a supporting transverse plate, a first filter screen, a vertical connecting plate and an operating handle; one end of the supporting transverse plate penetrates through the mounting groove and is in sliding fit with the mounting groove; the other end of the supporting transverse plate is positioned outside the water inlet pipeline; water through holes are formed in the supporting transverse plates; the first filter screen is arranged on the supporting transverse plate and corresponds to the water through holes; the vertical connecting plate is fixedly arranged at the other end of the supporting transverse plate and is detachably connected with the outer side surface of the water inlet pipeline; the operating handle is fixedly arranged at the other end of the supporting transverse plate and used for driving the supporting transverse plate to slide along the mounting groove.
As another embodiment of the present application, the water through holes are stepped holes.
As another embodiment of the application, the working cavity comprises a vertical plate, a side plate, a bottom plate and a base plate; the upper end of the vertical plate is fixedly connected with the top surface of the tank body and is positioned on one side of the first water inlet far away from the water inlet pipeline; a space is arranged between the vertical plate and the water inlet pipeline; a ladder used for moving up and down is arranged on one side surface of the vertical plate close to the water inlet pipeline; the number of the side plates is two, one side of each side plate is fixedly arranged on each of two sides of the vertical plate, and the other end of each side plate is fixedly connected with the outer side face of the water inlet pipeline; the bottom plate is fixedly connected with the vertical plate, the two side plates and the water inlet pipeline; the number of the base plates is multiple, and the base plates correspond to the filter screen structures one by one; the base plate is fixedly connected with the water inlet pipeline; the lifting channel comprises a working room, a lifting track and a lifter, and the working room is fixedly arranged on the ground; the lifting track is arranged underground and is positioned below the working room; the lifting track is positioned above the first water inlet; the lifter is mounted on the lifting rail.
The running device of the rainwater storage tank provided by the invention has the beneficial effects that: compared with the prior art, when the rainwater storage tank operation device is used, rainwater on a house enters the connecting tank through the connecting sleeve and the second filter, external rainwater enters the connecting tank through the open structure and the first filter, and enters the tank body through the water passing pipeline, and the position and angle of the second filter can be adjusted through the movable connecting piece, so that the rainwater is prevented from being blocked by impurities such as garbage; when rainwater on the ground enters the tank body from the water inlet pipeline, garbage in the rainwater is blocked and filtered by the plurality of filter screen structures, and the rainwater entering the tank body is discharged from the water outlet; after more garbage exists on the filter screen structure, workers enter the working cavity through the lifting channel, take out the filter screen structure from the mounting groove of the water inlet pipeline, clean the filter screen structure and then mount the filter screen structure in the mounting groove again; and in getting into the cell body after collecting and filtering the rainwater with the help of connecting pond, adapter sleeve and uncovered structure, realized more comprehensive collection to the rainwater, carry out rubbish clearance through lift passageway and working cavity to the filtration who lies in underground inlet channel, connect the pond and lie in subaerially easily to clear up first filter and second filter, reduce the clearance degree of difficulty to rubbish.
Another object of the present invention is to provide a method for operating a rainwater storage tank, including any one of the above rainwater storage tank operating apparatuses, further including:
rainwater in a drainage pipeline in the house enters the second filter through the connecting sleeve and then enters the connecting pool through the first filter;
loosening the movable connecting piece to drive the first filter to incline or vibrate and change the position and the angle of the garbage in the first filter;
with the help of the lift passageway gets into in the working chamber, will the filter screen structure follow demolish on the mounting groove, and will the structural rubbish of filter screen is cleared up.
According to the running method of the rainwater storage tank, rainwater on a house enters the connecting tank through the connecting sleeve and the second filter, and garbage in the rainwater is cleaned by the second filter; external rainwater enters the connecting pool through the open structure and the first filter, passes through the water passing pipeline and enters the pool body, garbage in the rainwater is cleaned by the first filter, and the position and angle of the second filter can be adjusted through the movable connecting piece, so that the rainwater is prevented from being blocked by impurities such as garbage; when rainwater on the ground enters the tank body from the water inlet pipeline, garbage in the rainwater is blocked and filtered by the plurality of filter screen structures, and the rainwater entering the tank body is discharged from the water outlet; after more garbage exists on the filter screen structure, a worker enters the working cavity through the lifting channel, takes out the filter screen structure from the mounting groove of the water inlet pipeline, cleans the filter screen structure and then remounting the filter screen structure in the mounting groove; and in getting into the cell body after collecting and filtering the rainwater with the help of connecting pond, adapter sleeve and uncovered structure, realized more comprehensive collection to the rainwater, carry out rubbish clearance through lift passageway and working cavity to the filtration who lies in underground inlet channel, connect the pond and lie in subaerially easily to clear up first filter and second filter, reduce the clearance degree of difficulty to rubbish.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rainwater storage tank operation device according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
fig. 4 is an enlarged view at C in fig. 1.
Wherein, in the figures, the respective reference numerals:
1. a tank body; 11. a first water inlet; 12. a second water inlet; 13. a water outlet; 14. a reinforcing rib plate; 15. sealing the end cap; 16. a water outlet pipe; 17. clamping a hoop; 2. a water inlet pipe; 21. mounting grooves; 3. a screen structure; 31. supporting the transverse plate; 32. water passing holes; 33. filtering with a screen; 34. a vertical connecting plate; 35. an operating handle; 36. a bolt; 4. a working cavity; 41. a vertical plate; 42. a side plate; 43. a base plate; 44. a base plate; 45. a step; 5. a lifting channel; 51. a working room; 52. a lifting track; 53. an elevator; 6. connecting the tanks; 61. a third water inlet; 62. a water passing pipeline; 621. an elastic baffle plate; 63. an open structure; 631. a strip groove; 64. a first filter; 65. a second filter; 651. a housing; 652. a first filter screen; 7. a connecting sleeve; 8. a movable connecting piece; 81. a roller; 82. fixing the pile; 83. and connecting ropes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, a rainwater storage tank operation apparatus according to the present invention will now be described. A running device of a rainwater storage tank comprises a tank body 1, a connecting tank 6, a connecting sleeve 7, a water inlet pipeline 2, a working cavity 4 and a lifting channel 5; the tank body 1 is arranged below the ground; the upper end of the tank body 1 is provided with a first water inlet 11 and a second water inlet 12, and one side is provided with a water outlet 13; the connecting pool 6 is fixedly arranged on the ground; the lower end of the connecting pool 6 is provided with a third water inlet 61, and the third water inlet 61 is communicated with the second water inlet 12 through a water passing pipe 62; an open structure 63 for rainwater to flow in is arranged on the connecting pool 6, a first filter 64 positioned below the open structure 63 is arranged in the connecting pool 6, and a movable connecting piece 8 connected with the connecting pool 6 is arranged on the first filter 64; the connecting sleeve 7 is fixedly arranged on the connecting pool 6 and is communicated with the inside of the connecting pool 6; the connecting sleeve 7 is used for being communicated with a house drainage pipeline; a second filter 65 positioned below the connecting sleeve 7 is arranged in the connecting pool 6; the end of the water inlet pipeline 2 is flush with the ground, and the lower end of the water inlet pipeline passes through the first water inlet 11 and is positioned in the tank body 1; a plurality of mounting grooves 21 communicated with the interior of the water inlet pipeline 2 are formed in the outer side surface of the water inlet pipeline 2, and the mounting grooves 21 are arranged from top to bottom; each mounting groove 21 is provided with a filter screen structure 3 which is detachably connected; the working cavity 4 is arranged in the tank body 1 and is connected with the outer side surface of the water inlet pipeline 2; the working cavity 4 is used for disassembling and assembling each filter screen structure 3; the lifting channel 5 is positioned on one side of the water inlet pipeline 2 and above the working cavity 4; the lower end of the lifting channel 5 is communicated with the working cavity 4.
Compared with the prior art, when the rainwater storage tank operation device is used, rainwater on a house enters the connecting tank 6 through the connecting sleeve 7 and the second filter 65, external rainwater enters the connecting tank 6 through the open structure 63 and the first filter 64 and enters the tank body 1 through the water passing pipe 62, and the position and angle of the second filter 65 can be adjusted through the movable connecting piece 8, so that the rainwater is prevented from being blocked by impurities such as garbage; when rainwater on the ground enters the tank body 1 from the water inlet pipeline 2, garbage in the rainwater is blocked and filtered by the plurality of filter screen structures 3, and the rainwater entering the tank body 1 is discharged from the water outlet 13; after more garbage exists on the filter screen structure 3, a worker enters the working cavity 4 through the lifting channel 5, takes the filter screen structure 3 out of the mounting groove 21 of the water inlet pipeline 2, cleans the filter screen structure 3 and then remounts the filter screen structure in the mounting groove 21; and in getting into cell body 1 after collecting and filtering the rainwater with the help of connecting pond 6, connecting sleeve 7 and open structure 63, realized more comprehensive collection to the rainwater, carry out rubbish clearance through lift passageway 5 and work cavity 4 to the filtration that is arranged in underground inlet channel 2, connecting pond 6 is located subaerially and easily clears up first filter 64 and second filter 65, reduces the clearance degree of difficulty to rubbish.
Be equipped with the reinforcing floor 14 in the cell body 1, cell body 1 is the full enclosure structure, and reinforcing floor 14 welds in cell body 1, has improved cell body 1 stability and reliability higher. A sealing end cover 15 is arranged at the water outlet 13, a connecting hole is arranged on the sealing end cover 15, and rainwater in the pool body 1 is pumped out through a water outlet pipe 16 penetrating through the connecting hole when the rainwater collecting device is used. The inner wall of the tank body 1 is provided with a clamp 17 for fixing the water outlet pipe 16.
Referring to fig. 1 and 3, as a specific embodiment of the rainwater storage tank operation device provided by the present invention, the open structure 63 is a tapered cylinder with a large top and a small bottom, the first filter 64 is a cylindrical filter screen 33, and the upper end of the cylindrical filter screen 33 is connected to the lower end of the tapered cylinder; the movable connecting piece 8 comprises a plurality of roller groups which are rotatably connected on the inner wall of the cylindrical body, a plurality of fixing piles 82 and a plurality of connecting ropes 83, the plurality of roller groups are arranged along the circumferential direction of the conical cylinder, one end of each connecting rope 83 is connected with the cylindrical filter screen 33, and the other end of each connecting rope bypasses a roller 81 on each roller group and is detachably connected with the fixing pile 82; opening the other end of one or more connecting ropes 83, pulling the connecting ropes 83 up and down along the roller 81 on the roller group, and shaking impurities in the cylindrical filter screen 33; the conical surface of the inner wall of the conical barrel is more favorable for rainwater to enter the connecting pool 6, and the cylindrical filter screen 33 is connected to the lower end of the conical barrel, so that the lower end of the conical barrel is surrounded and connected, and garbage is prevented from directly entering the connecting pool 6; set up a plurality of roller groups and arrange along the inner wall circumference of a toper section of thick bamboo, set up a plurality of spuds 82 and each roller group one-to-one at the upper end of connecting pond 6, then use many one ends of connecting rope 83 to be connected with tube-shape filter screen 33, the gyro wheel 81 on each roller group of correspondence is walked around earlier to the other end to tie up tightly on spud 82. When the device is used, a worker can loosen one or more connecting ropes 83, change the length of part of the connecting ropes 83, enable the cylindrical filter screen 33 to incline, further enable garbage in the cylindrical filter screen 33 to move, and enable rainwater to smoothly pass through the cylindrical filter screen; then, part of the connecting rope 83 is tied to the fixing pile 82.
Referring to fig. 1 and 3, as a specific embodiment of the rainwater storage tank operation device provided by the present invention, a plurality of strip grooves 631 are disposed on an inner wall of the tapered barrel, and a length direction of the strip grooves 631 is parallel to a length direction of a bus of the tapered barrel; the roller group comprises two rollers 81 which are respectively connected with the upper end and the lower end of the strip groove 631 in a rotating way; a cover plate for sealing the two rollers 81 is arranged on the strip groove 631, and an installation space is formed between the cover plate and the strip groove 631; a plurality of rectangular recesses 631 set up from top to bottom, two gyro wheels 81 of roller train set up the upper and lower both ends at rectangular recess 631 respectively, and gyro wheel 81 rotates and connects on the groove side wall of rectangular recess 631, the one end of connecting rope 83 is fixed behind tube-shape filter screen 33, the one end of connecting rope 83 is around on two gyro wheels 81 and be connected with spud pile 82, then use the apron to cover on rectangular recess 631, form installation space between apron and the rectangular recess 631, through installing gyro wheel 81 and connecting rope 83 back in confined installation space, gyro wheel 81 and connecting rope 83 can not receive the erosion of rainwater etc.. The plurality of strip grooves 631 are uniformly arranged along the circumferential direction of the tapered cylinder, so that the plurality of connecting strings 83 can more stably support the cylindrical filter screen 33.
Referring to fig. 1, as a specific embodiment of the rainwater storage tank operation apparatus provided by the present invention, the second filter 65 includes a housing 651 disposed in the connection tank 6, a plurality of first filter screens 652 disposed in sequence from top to bottom are disposed in the housing 651, and meshes of the plurality of first filter screens 652 are gradually reduced from top to bottom; set up casing 651 in connecting pond 6 and be located a plurality of connecting sleeve 7 directly under, casing 651 and connecting pond 6 fixed connection, and casing 651 all sets up the opening from top to bottom, is horizontal fixed setting in casing 651 with first filter screen 652, therefore house drain pipe guide rainwater gets into connecting sleeve 7 to with the magazine separation under the effect of first filter screen 652 in casing 651. The meshes of the plurality of first filters 652 are gradually reduced from top to bottom, so that each layer of first filter 652 can filter out garbage with partial range of sizes, and each first filter 652 is not easy to block.
Referring to fig. 1, as a specific embodiment of the operating device for a rainwater storage tank according to the present invention, a plurality of elastic blocking pieces 621 are disposed on the water passing pipe 62, the elastic blocking pieces 621 are disposed from top to bottom, and two adjacent elastic blocking pieces 621 are disposed on the opposite inner walls of the water passing pipe 62 respectively; the length of the elastic baffle 621 is greater than the radius of the water passing pipeline 62; the elastic blocking sheets 621 can be used for bearing rainwater flowing into the water passing pipeline 62 from the connecting tank 6, the elastic blocking sheets are elastically deformed after the rainwater falls on the elastic blocking sheets, and therefore noise can be reduced and the inner wall of the water passing pipeline 62 can be protected. One end of the elastic baffle is fixed on the inner wall of the water passing pipe 62, and the other end is suspended. The length of the elastic blocking piece 621 is larger than the radius of the water passing pipe 62, so that rainwater can act on each elastic blocking piece 621 from top to bottom in the falling process.
Referring to fig. 1 and 3, as a specific embodiment of the rainwater storage tank operation apparatus provided in the present invention, a connection tank 6 and an open structure 63 are integrally formed; the connection strength between the open structure 63 and the connection pool 6 is improved, so that when the rainwater is flushed on the open structure 63, the open structure 63 can bear stronger impact force, and the service life is longer. During machining, a hole is formed in the connecting tank 6, and then, impact is applied to the hole using a punch or the like, thereby forming the open structure 63.
Referring to fig. 1 and 2, as a specific embodiment of the operating device for a rainwater storage tank according to the present invention, an installation groove 21 is disposed on an inner pipe wall of a water inlet pipe 2, and one end of the installation groove is communicated with a tank body 1; the filter screen structure 3 comprises a supporting transverse plate 31, a first filter screen 652, a vertical connecting plate 34 and an operating handle 35; one end of the supporting transverse plate 31 is arranged in the mounting groove 21 in a penetrating manner and is in sliding fit with the mounting groove 21; the other end of the supporting transverse plate 31 is positioned outside the water inlet pipeline 2; the supporting transverse plate 31 is provided with water through holes 32; the first filter screen 652 is arranged on the supporting transverse plate 31 and corresponds to the water through holes 32; the vertical connecting plate 34 is fixedly arranged at the other end of the supporting transverse plate 31 and is detachably connected with the outer side surface of the water inlet pipeline 2; the operating handle 35 is fixedly arranged at the other end of the supporting transverse plate 31 and is used for driving the supporting transverse plate 31 to slide along the mounting groove 21; the mounting groove 21 is annularly arranged on the inner wall of the water inlet pipeline 2, and has one end communicated with the inside of the tank body 1, after the filter screen 33 is arranged on the supporting transverse plate 31 to shield the water hole 32, the supporting transverse plate 31 is slidably mounted in the mounting groove 21, and is connected in the water inlet pipeline 2 by using the vertical connecting plate 34 in a laminating manner, and then the vertical connecting plate 34 is fixedly connected on the water inlet pipeline 2 by using the bolt 36. A sealing groove can be formed in one side face, close to the water inlet pipeline 2, of the vertical connecting plate 34, a sealing strip or a sealing ring is installed in the sealing groove, and the sealing effect between the filter screen structure 3 and the water inlet pipeline 2 is improved. When the supporting transverse plate 31 and the vertical connecting plate 34 are removed or installed, a worker can hold the operating handle 35 by hand, and the supporting transverse plate 31 and the vertical connecting plate 34 are more conveniently and quickly detached.
Referring to fig. 1 and 2, as an embodiment of the operating device for a rainwater storage tank according to the present invention, the water through hole 32 is a stepped hole; the upper part of the stepped hole is used for installing a filter screen 33, and after garbage falls on the filter screen 33, rainwater passes through the filter screen 33 and the lower part of the stepped hole and then continues to fall downwards. The water through hole 32 with the structure can install the filter screen 33 in the stepped hole, so that the installation of the filter screen 33 is more reliable and stable.
Referring to fig. 1 and 2, as a specific embodiment of the rainwater storage tank operation device provided by the present invention, the working cavity 4 includes a vertical plate 41, a side plate 42, a bottom plate 43, and a base plate 44; the upper end of the vertical plate 41 is fixedly connected with the top surface of the tank body 1 and is positioned on one side of the first water inlet 11 far away from the water inlet pipeline 2; a space is reserved between the vertical plate 41 and the water inlet pipeline 2; a ladder 45 for moving up and down is arranged on one side surface of the vertical plate 41 close to the water inlet pipeline 2; the number of the side plates 42 is two, one side of each of the two side plates 42 is fixedly installed on each of two sides of the vertical plate 41, and the other end of each of the two side plates 42 is fixedly connected with the outer side face of the water inlet pipeline 2; the bottom plate 43 is fixedly connected with the vertical plate 41, the two side plates 42 and the water inlet pipeline 2; the number of the backing plates 44 is multiple, and the backing plates correspond to the filter screen structures 3 one by one; the backing plate 44 is fixedly connected with the water inlet pipeline 2; the lifting channel 5 comprises a working room 51, a lifting track 52 and a lifter 53, wherein the working room 51 is fixedly arranged on the ground; the lifting rail 52 is used for being installed underground and is positioned below the working room 51; the lifting rail 52 is positioned above the first water inlet 11; the lifter 53 is mounted on the lifting rail 52; the vertical plate 41, the two side plates 42 and the bottom plate 43 are combined with the top surface of the tank body 1 and the outer side surface of the water inlet pipeline 2 to form the working cavity 4, the upper end and the lower end of the vertical plate 41 are respectively fixed with the top surface of the tank body 1 and the bottom plate 43 through welding, and the two ends of the side plates 42 are respectively fixed with the vertical plate 41 and the outer side surface of the water inlet pipeline 2 through welding. The backing plate 44 is fixedly connected in the intake pipe 2 or fixedly connected with the two side plates 42. First water inlet 11 is corresponding with working chamber 4 and inlet channel 2, and the staff moves down and passes behind first water inlet 11 gets into working chamber 4 through lift channel 5, with the help of ladder 45 downstream, can step on the backing plate 44 of co-altitude not, and then will clear up with the filter screen 33 on the filter screen structure 3 that backing plate 44 corresponds. The backing plate 44 is lower than the corresponding sieve structure 3; the studio 51 is installed subaerial, and be located lifting track 52's top, lift 53 is located in the studio 51, the staff gets into in the studio 51 after and gets into in lift 53, then move down along with lift 53, pass first water inlet 11 and get into in the working chamber 4 after walking out lift 53, and dismantle a plurality of filter screen structure 3 of storage rubbish, in the mounting groove 21 that can inlet channel 2 is placed again with filter screen structure 3 after clearing up rubbish, through this kind of mode staff can work in entering into working chamber 4 with the help of lift 53 relatively fast. A pit is dug on the ground, the lifting track 52 is vertically arranged in the pit, and the pit is communicated with the first water inlet 11. The size of first water inlet 11 is greater than the cross-sectional dimension of inlet channel 2, consequently after this inlet channel 2 is installed, has certain space to be convenient for the staff to get into in first water inlet 11.
Referring to fig. 1 to 4, an embodiment of the present invention further provides a method for operating a rainwater storage tank, including the above-mentioned device for operating a rainwater storage tank, further including:
rainwater in a drainage pipeline in the house enters the second filter 65 through the connecting sleeve 7 and then enters the connecting tank 6 through the first filter 64;
loosening the movable connecting piece 8 to drive the first filter 64 to incline or vibrate, and changing the position and the angle of the garbage in the first filter 64;
by means of the lifting channel 5 into the working chamber 4, the screen structure 3 is removed from the mounting slot 21 and the waste on the screen structure 3 is cleaned.
According to the running method of the rainwater storage tank, rainwater on a house enters the connecting tank 6 through the connecting sleeve 7 and the second filter 65, and garbage in the rainwater is cleaned by the second filter 65; external rainwater enters the connecting tank 6 through the open structure 63 and the first filter 64, passes through the water passing pipe 62 and enters the tank body 1, the first filter 64 cleans up garbage in the rainwater, and the position and angle of the second filter 65 can be adjusted through the movable connecting piece 8, so that the rainwater is prevented from being blocked by impurities such as garbage; when rainwater on the ground enters the tank body 1 from the water inlet pipeline 2, garbage in the rainwater is blocked and filtered by the plurality of filter screen structures 3, and the rainwater entering the tank body 1 is discharged from the water outlet 13; after more garbage exists on the filter screen structure 3, a worker enters the working cavity 4 through the lifting channel 5, takes the filter screen structure 3 out of the mounting groove 21 of the water inlet pipeline 2, cleans the filter screen structure 3 and then remounting the filter screen structure in the mounting groove 21; and in getting into cell body 1 after collecting and filtering the rainwater with the help of connecting pond 6, connecting sleeve 7 and open structure 63, realized more comprehensive collection to the rainwater, carry out rubbish clearance through lift passageway 5 and work cavity 4 to the filtration that is arranged in underground inlet channel 2, connecting pond 6 is located subaerially and easily clears up first filter 64 and second filter 65, reduces the clearance degree of difficulty to rubbish.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The rainwater storage tank operation device is characterized by comprising a tank body, a connecting tank, a connecting sleeve, a water inlet pipeline, a working cavity and a lifting channel; the pool body is used for being arranged below the ground; the upper end of the tank body is provided with a first water inlet and a second water inlet, and one side of the tank body is provided with a water outlet; the connecting pool is fixedly arranged on the ground; a third water inlet is formed in the lower end of the connecting pool and communicated with the second water inlet through a water passing pipeline; an open structure for rainwater to flow in is arranged on the connecting pool, a first filter positioned below the open structure is arranged in the connecting pool, and a movable connecting piece connected with the connecting pool is arranged on the first filter; the connecting sleeve is fixedly arranged on the connecting pool and is communicated with the inside of the connecting pool; the connecting sleeve is used for being communicated with a house drainage pipeline; a second filter positioned below the connecting sleeve is arranged in the connecting pool; the end of the water inlet pipeline is flush with the ground, and the lower end of the water inlet pipeline penetrates through the first water inlet and is positioned in the tank body; a plurality of mounting grooves communicated with the interior of the water inlet pipeline are formed in the outer side surface of the water inlet pipeline, and the mounting grooves are arranged from top to bottom; each mounting groove is provided with a filter screen structure which is detachably connected; the working cavity is arranged in the tank body and is connected with the outer side surface of the water inlet pipeline; the working cavity is used for disassembling and assembling the filter screen structures; the lifting channel is positioned on one side of the water inlet pipeline and above the working cavity; the lower end of the lifting channel is communicated with the working cavity; the open structure is a conical cylinder with a large upper part and a small lower part, the first filter is a cylindrical filter screen, and the upper end of the cylindrical filter screen is connected with the lower end of the conical cylinder; the movable connecting piece comprises a plurality of roller groups, a plurality of fixing piles and a plurality of connecting ropes, the roller groups are rotatably connected to the inner wall of the conical barrel, the roller groups are arranged along the circumferential direction of the conical barrel, one end of each connecting rope is connected with the cylindrical filter screen, and the other end of each connecting rope bypasses a roller on the roller group and is detachably connected with the fixing pile; and opening the other end of one or more connecting ropes, pulling the connecting ropes up and down along the rollers on the roller group, and shaking impurities in the cylindrical filter screen.
2. The rainwater storage tank operating device according to claim 1, wherein a plurality of strip grooves are formed in an inner wall of the tapered barrel, and a length direction of the strip grooves is parallel to a length direction of a bus of the tapered barrel; the roller group comprises two rollers which are respectively connected with the upper end and the lower end of the strip-shaped groove in a rotating way; be equipped with on the rectangular recess and be used for sealing two the apron of gyro wheel, the apron with form installation space between the rectangular recess.
3. The rainwater storage tank operating device according to claim 1, wherein the second filter includes a housing provided in the connection tank, a plurality of first filters sequentially provided up and down are provided in the housing, and meshes of the plurality of first filters are gradually reduced from top to bottom.
4. The running device for the rainwater storage tank according to claim 1, wherein a plurality of elastic retaining sheets are arranged on the water passing pipeline, the plurality of elastic retaining sheets are arranged from top to bottom, and two adjacent elastic retaining sheets are respectively arranged on the opposite inner walls of the water passing pipeline; the length of the elastic baffle is greater than the radius of the water passing pipeline.
5. A stormwater storage pond operating device as claimed in claim 1, wherein the connection pond is integrally formed with the open structure.
6. The rainwater storage tank operating device according to claim 1, wherein the mounting groove is formed on an inner pipe wall of the water inlet pipeline, and one end of the mounting groove is communicated with the tank body; the filter screen structure comprises a supporting transverse plate, a first filter screen, a vertical connecting plate and an operating handle; one end of the supporting transverse plate penetrates through the mounting groove and is in sliding fit with the mounting groove; the other end of the supporting transverse plate is positioned outside the water inlet pipeline; water through holes are formed in the supporting transverse plates; the first filter screen is arranged on the supporting transverse plate and corresponds to the water through holes; the vertical connecting plate is fixedly arranged at the other end of the supporting transverse plate and is detachably connected with the outer side surface of the water inlet pipeline; the operating handle is fixedly arranged at the other end of the supporting transverse plate and used for driving the supporting transverse plate to slide along the mounting groove.
7. The rainwater storage tank operating device according to claim 6, wherein the water passing hole is a stepped hole.
8. The rainwater storage tank operating device according to claim 1, wherein the working chamber includes a vertical plate, a side plate, a bottom plate, and a base plate; the upper end of the vertical plate is fixedly connected with the top surface of the tank body and is positioned on one side of the first water inlet far away from the water inlet pipeline; a space is arranged between the vertical plate and the water inlet pipeline; a ladder used for moving up and down is arranged on one side surface of the vertical plate close to the water inlet pipeline; the number of the side plates is two, one side of each side plate is fixedly arranged on each of two sides of the vertical plate, and the other end of each side plate is fixedly connected with the outer side face of the water inlet pipeline; the bottom plate is fixedly connected with the vertical plate, the two side plates and the water inlet pipeline; the number of the base plates is multiple, and the base plates correspond to the filter screen structures one by one; the base plate is fixedly connected with the water inlet pipeline; the lifting channel comprises a working room, a lifting track and a lifter, and the working room is fixedly arranged on the ground; the lifting track is arranged underground and is positioned below the working room; the lifting track is positioned above the first water inlet; the lifter is mounted on the lifting rail.
9. A rainwater storage tank operation method characterized by comprising the rainwater storage tank operation apparatus according to any one of claims 1 to 8, further comprising:
rainwater in a drainage pipeline in the house enters the second filter through the connecting sleeve and then enters the connecting pool through the first filter;
loosening the movable connecting piece to drive the first filter to incline or vibrate and change the position and the angle of the garbage in the first filter;
and the filter screen structure is detached from the mounting groove by entering the working cavity through the lifting channel, and the garbage on the filter screen structure is cleaned.
CN202110319450.7A 2021-03-25 2021-03-25 Rainwater storage tank operation device and method Active CN113047408B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100901263B1 (en) * 2009-01-30 2009-06-08 비손푸른엔지니어링 주식회사 The natural-type reduction equipment of nonpoint pollution source optionaly being used the ion-exchange tank
KR101488136B1 (en) * 2014-06-17 2015-01-29 유한회사 도건엔지니어링 Nonpoint pollution decrease apparatus
CN106759781A (en) * 2016-12-13 2017-05-31 浙江水利水电学院 A kind of intelligent city rainwater regulating pondage system and its construction method
CN206706891U (en) * 2017-03-22 2017-12-05 中景汇设计集团有限公司 Garden landscape rainwater recycle handles system for recycling
CN206752231U (en) * 2017-04-01 2017-12-15 德阳顺辉建材有限公司 For sponge urban construction and the packed system of traffic guide
CN207091221U (en) * 2017-04-26 2018-03-13 郭遂军 A kind of rainwater purification system of sponge urban construction
CN209523249U (en) * 2018-12-14 2019-10-22 河海大学设计研究院有限公司 Ground rainwater pond
CN209523276U (en) * 2018-11-03 2019-10-22 深圳市隆金达实业有限公司 A kind of municipal works draining constant-current stabilizer
CN111203028A (en) * 2019-12-24 2020-05-29 山东交通学院 Rainwater desilting basin device for hydraulic engineering
CN211548418U (en) * 2019-10-30 2020-09-22 中德天诚建设集团有限公司 Roof water circulating system
CN211948795U (en) * 2020-03-27 2020-11-17 湖南工业大学 Environment-friendly rainwater well device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100901263B1 (en) * 2009-01-30 2009-06-08 비손푸른엔지니어링 주식회사 The natural-type reduction equipment of nonpoint pollution source optionaly being used the ion-exchange tank
KR101488136B1 (en) * 2014-06-17 2015-01-29 유한회사 도건엔지니어링 Nonpoint pollution decrease apparatus
CN106759781A (en) * 2016-12-13 2017-05-31 浙江水利水电学院 A kind of intelligent city rainwater regulating pondage system and its construction method
CN206706891U (en) * 2017-03-22 2017-12-05 中景汇设计集团有限公司 Garden landscape rainwater recycle handles system for recycling
CN206752231U (en) * 2017-04-01 2017-12-15 德阳顺辉建材有限公司 For sponge urban construction and the packed system of traffic guide
CN207091221U (en) * 2017-04-26 2018-03-13 郭遂军 A kind of rainwater purification system of sponge urban construction
CN209523276U (en) * 2018-11-03 2019-10-22 深圳市隆金达实业有限公司 A kind of municipal works draining constant-current stabilizer
CN209523249U (en) * 2018-12-14 2019-10-22 河海大学设计研究院有限公司 Ground rainwater pond
CN211548418U (en) * 2019-10-30 2020-09-22 中德天诚建设集团有限公司 Roof water circulating system
CN111203028A (en) * 2019-12-24 2020-05-29 山东交通学院 Rainwater desilting basin device for hydraulic engineering
CN211948795U (en) * 2020-03-27 2020-11-17 湖南工业大学 Environment-friendly rainwater well device

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