CN210964264U - Water floating rainwater collecting and storing treatment device - Google Patents

Abstract

The application discloses showy collection on water holds rainwater processing apparatus. This showy collection on water holds rainwater processing apparatus is including album rain case, collection rain subassembly, filtering component and collection pipeline, wherein: the top opening part of the rain collecting box is covered with a cover plate, the bottom of the rain collecting box is provided with a retractable and inflatable air cushion, the inside of the rain collecting box is provided with a reservoir and a sedimentation basin which are communicated with the top opening part of the rain collecting box, the water outlet and the reservoir of the sedimentation basin are communicated, the water inlet of the sedimentation basin is connected with one end of a collecting pipeline, the other end of the collecting pipeline is connected with a water falling port of a rain collecting component, and a filtering component is arranged between the collecting pipeline and the water falling port of the rain collecting component. The application has solved the rainwater utilization ratio on water lower, can't collect, filter and deposit the technical problem of integration processing.

Description

Water floating rainwater collecting and storing treatment device

Technical Field

The application relates to the technical field of rainwater resource collection and utilization, in particular to a rainwater treatment device for water floating collection and storage.

Background

Water is a source of life, a key point of production and an ecological base, is an indispensable important resource for human survival and social sustainable development, the serious water shortage problem can cause the limitation of urbanization process and social economic development, and rainwater is taken as a rich water resource, so that the rainwater can be reasonably and efficiently collected, treated and utilized under the condition of water resource shortage, and the condition of water resource shortage can be relieved to a certain extent.

Water is one of the most abundant compounds on earth. About three quarters of the world is covered with water. At present, fresh water resources of a plurality of water work service platforms are transported by ships for supply, and the water rain collecting processor can relieve the use pressure of water resources of the offshore work platform to a certain extent. Meanwhile, in the rainwater collection process of the conventional rainwater collection device, when the rainwater flows through the flow collection surface, the rainwater is polluted due to carrying of impurities such as sand and mud, so that the rainwater collected in the water storage engineering can not meet the drinking requirement of people.

Aiming at the problems that the utilization rate of rainwater on water is low and the collection, filtration and precipitation cannot be integrally treated in the related technology, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a showy collection on water holds rainwater processing apparatus to solve rainwater utilization ratio on water lower, can't will collect, filter and deposit the problem of integration processing.

In order to achieve the purpose, the application provides a rainwater collecting and storing treatment device floating on water.

According to this application showy collection on water holds rainwater processing apparatus, showy collection on water holds rainwater processing apparatus including collection rain case, collection rain subassembly, filtering component and collection pipeline, wherein:

the utility model discloses a rain collection box, including rain collection box, rainwater collection box, sedimentation tank, filter component, collecting pipeline, rainwater subassembly, the top opening part of rain collection box is stamped the apron, rain collection box's bottom is provided with collapsible and gas filled air cushion, rain collection box's inside be provided with cistern and sedimentation tank that rain collection box's top opening is linked together, the delivery port of sedimentation tank with the cistern intercommunication, the water inlet of sedimentation tank with the one end of collecting pipeline is connected, the other end of collecting pipeline with the mouth that falls into water of rain collection subassembly is connected, filter component sets up collecting pipeline with between the mouth that falls into water of rain collection subassembly.

Further, rain collection subassembly includes the face of catchmenting by flexible waterproof material makes, the face of catchmenting is the umbrella face column structure of inversion, wherein:

the rain collecting surface comprises an unfolding portion and a curling portion, a water falling port of the rain collecting surface is arranged in the center of the unfolding portion, the curling portion is arranged on the outer side of the unfolding portion in a looped mode, the curling portion is integrally connected with the outer edge of the unfolding portion, and the curling portion can be unfolded outwards to form the unfolding portion.

Furthermore, a plurality of first supporting air passages are arranged at the top of the rain collecting surface along the radial direction of the rain collecting surface, one end of each first supporting air passage is located at the center of the top of the rain collecting surface, and the other end of each first supporting air passage extends to the edge of the top of the rain collecting surface.

Furthermore, a plurality of second supporting air passages, a plurality of third supporting air passages and a plurality of supporting air bags are arranged at the bottom of the rain collecting surface, each third supporting air passage is arranged at the bottom of the rain collecting surface along the radial direction of the rain collecting surface, one end of each third supporting air passage is positioned at the center of the bottom of the rain collecting surface, and the other end of each third supporting air passage extends to the edge of the bottom of the rain collecting surface; each second supporting air passage is of an annular structure, the second supporting air passages are uniformly distributed from the bottom center position of the rain collecting surface to the bottom edge of the rain collecting surface, and the second supporting air passages and the rain collecting surface are concentric; each supporting air bag is uniformly fixed at the bottom of the rain collecting surface along the circumferential direction of the rain collecting surface, and a recovery handle is arranged on at least one supporting air bag.

Further, the filtering component comprises a shell, a trash rack and a plurality of layers of filtering nets, the trash rack is fixedly arranged at a water falling port of the rainwater collection surface, the shell is of a cylindrical structure with the top and the bottom of the cylindrical structure being provided with openings, the top opening of the shell is connected with the bottom of the water falling port of the rainwater collection surface, the bottom opening of the shell is connected with the collection pipeline, the filtering nets are of the cylindrical structure, and the filtering nets are sequentially fixedly arranged in the shell from inside to outside and are staggered with filtering holes in the filtering nets.

Furthermore, the water storage tank is a rectangular chamber, and a water outlet of the sedimentation tank is arranged at the upper part of one side wall of the sedimentation tank and communicated with the upper part of the water storage tank; the water inlet of the sedimentation tank is arranged at the lower part of the other opposite side wall of the sedimentation tank.

Furthermore, a plurality of partition plates are respectively arranged on the other two opposite side walls of the sedimentation tank adjacent to the water outlet and the water inlet along the vertical direction, the partition plates are staggered with each other, the adjacent partition plates are respectively arranged on the two opposite side walls, and the partition plates are matched to form a chamber with a bow-shaped cross section.

Furthermore, the bottom of the sedimentation tank is inclined downwards from the water inlet to the water outlet.

Further, the collecting pipeline is arranged from the rain collecting assembly to the rain collecting box in a downward inclined mode.

Furthermore, the top edge of the rain collecting box is connected with the cover plate in a sealing way

In the embodiment of the application, the water storage tank and the sedimentation tank which are communicated are arranged in the rainwater collection tank, the water outlet of the sedimentation tank is communicated with the water storage tank, the water inlet of the sedimentation tank is connected with the water falling port of the rainwater collection component through the collection pipeline and the filter component in sequence, the rainwater collection tank is fixed on a ship body or floats on the water surface by virtue of an air cushion, the rainwater collection component floats on the water surface and collects rainwater through the rainwater collection component, the filter component preliminarily filters the collected rainwater and then conveys the rainwater into the sedimentation tank through the collection pipeline, the filter component can filter large-particle silt, impurities and pollutants, the relatively clean rainwater collected into the sedimentation tank is ensured, solid impurities in the rainwater are precipitated in the sedimentation tank, so that the rainwater is secondarily filtered, the relatively clean rainwater positioned at the upper part of the sedimentation tank is stored into the water storage tank, and the rainwater collection efficiency is improved, and can carry out filtration treatment to the rainwater of collecting, guarantee that the rainwater has higher cleanliness, the rainwater of collecting can satisfy people's requirement of drinking through further filtration equipment's processing again, as the fresh water supply source of business work platform on the ship or on water to realized improving the technological effect of rainwater utilization ratio on water, and then solved rainwater utilization ratio on water lower, can't collect, filter and deposit the technical problem of integration processing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a perspective view of the rainwater collection and storage treatment device floating on water according to the present invention;

FIG. 2 is a three-dimensional sectional view of the rainwater collection and storage treatment device floating on water;

FIG. 3 is a front cross-sectional view of the rainwater collection and storage treatment device floating on water;

FIG. 4 is a top cross-sectional view of the rainwater collection and storage treatment device floating on water according to the present invention;

FIG. 5 is a front sectional view of the rainwater collection and storage treatment device floating on water according to the present invention;

FIG. 6 is a partial enlarged view of the portion A in FIG. 5;

FIG. 7 is a top view of the rainwater collecting assembly of the water floating rainwater collecting and storing treatment device of the present invention;

fig. 8 is a bottom view of the rain collecting component in the water floating rainwater collecting and storing treatment device.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, the present application relates to a rainwater collection and storage treatment device floating on water, which comprises a rainwater collection tank 1, a rainwater collection assembly 4, a filter assembly 5 and a collection pipe 3, wherein: rain collection box 1 is the rectangle structure, rain collection box 1's open-top, open-top at rain collection box 1 is stamped apron 2, rain collection box 1's bottom is provided with collapsible and gas-filled air cushion, rain collection box 1's inside is provided with cistern 101 and sedimentation tank 102, cistern 101's top and sedimentation tank 102's top all are linked together with rain collection box 1's open-top, sedimentation tank 102's delivery port 104 and cistern 101 intercommunication, sedimentation tank 102's water inlet 105 is connected with the one end of collecting pipe 3, the other end of collecting pipe 3 is connected with rain collection subassembly 4's the mouth of falling into water, filter assembly 5 sets up between the mouth of falling into water of collecting pipe 3 and rain collection subassembly 4.

The utility model discloses the cistern 101 and the sedimentation tank 102 that are linked together are provided with in the inside of collection rain case 1, the delivery port 104 and the cistern 101 of sedimentation tank 102 communicate, the water inlet 105 of sedimentation tank 102 loops through collection pipeline 3 and filter assembly 5 and is connected with the mouth of falling into the water of collection rain subassembly 4, with collection rain case 1 fixed on the hull or rely on the air cushion to float on the surface of water, collection rain subassembly 4 floats on the surface of water, and collect the rainwater through collection rain subassembly 4, filter assembly 5 carries out the preliminary filtration with the rainwater collected in through collection pipeline 3 and carries to sedimentation tank 102, filter assembly 5 can filter the large granule silt particle, impurity and pollutant that carry in the rainwater, guarantee to collect to sedimentation tank 102 be cleaner rainwater, the solid impurity in the rainwater deposits in sedimentation tank 102, thereby carry out the secondary filtration to the rainwater, the cleaner rainwater that lies in sedimentation tank 102 upper portion flows into the cistern through delivery port 104 and stores, the efficiency of the collection of rainwater is improved, can carry out filtration treatment to the rainwater of collecting moreover, guarantee that the rainwater has higher cleanliness, the rainwater of collecting can satisfy people's requirement of drinking through further filtration equipment's processing again, as the fresh water supply source of business on the ship or on water business work platform to improve the utilization ratio of rainwater on water greatly, alleviate the situation of water resource shortage to a certain extent.

Furthermore, an inflation inlet is formed in the air cushion at the bottom of the rain collecting box 1, so that the air cushion can be inflated and exhausted conveniently, and the air cushion can be in any shape and can support the rain collecting box 1 to float on the water surface.

In an optional embodiment of the present invention, as shown in fig. 1 to 5, the collecting pipe 3 is arranged by the rain collecting assembly 4 to the rain collecting box 1 in a downward inclined manner, so as to ensure that the rain water collected by the rain collecting assembly 4 can smoothly flow into the rain collecting box 1.

In an optional embodiment of the present invention, the top edge of the rain-collecting box 1 is connected to the cover plate 2 in a sealing manner.

In an alternative embodiment of the present invention, as shown in fig. 1 to 8, rain collecting assembly 4 includes a rain collecting surface 400 made of flexible waterproof material, rain collecting surface 400 is an inverted umbrella-shaped structure, wherein: the rain collecting surface 400 comprises an unfolding part 401 and a curling part 403, a water falling port of the rain collecting surface 400 is arranged at the center of the unfolding part 401, the curling part 403 is arranged at the outer side of the unfolding part 401 in a surrounding mode, the curling part 403 is integrally connected with the outer edge of the unfolding part 401, and the curling part 403 can be unfolded outwards to form the unfolding part 401. The expansion or contraction of the curled part 403 is adjusted according to the actual rainwater collection amount, so that the area of the expanded part 401 is controlled, and the rainwater collection requirement under the actual condition is met.

Further, the material of the rain collecting surface 400 may be, but is not limited to, plastic or tarpaulin.

In an optional embodiment of the present invention, as shown in fig. 7, a plurality of first supporting air channels 402 are fixedly disposed along a radial direction of the top of the rain collecting surface 400, one end of each first supporting air channel 402 is located at a central position of the top of the rain collecting surface 400, the other end of each first supporting air channel 402 extends to a top edge of the rain collecting surface 400, and each first supporting air channel 402 is provided with an air charging port. By filling the first support air passages 402 with air of different pressures and volumes, the area of the deployment section 401 can be adjusted, and the deployment section 401 is supported.

In an optional embodiment of the present invention, as shown in fig. 8, a plurality of second supporting air channels 405 and a plurality of third supporting air channels 406 are fixedly disposed at the bottom of the rain collecting surface 400, each third supporting air channel 406 is disposed at the bottom of the rain collecting surface 400 along the radial direction thereof, one end of each third supporting air channel 406 is located at the bottom center position of the rain collecting surface 400, and the other end of each third supporting air channel 406 extends to the bottom edge of the rain collecting surface 400; each second support air passage 405 is an annular structure, each second support air passage 405 is uniformly arranged from the bottom center position of the rain collecting surface 400 to the bottom edge of the rain collecting surface 400, each second support air passage 405 is concentric with the rain collecting surface 400, and each second support air passage 405 and each third support air passage 406 are provided with an inflation inlet. By filling the second supporting air passages 405 and the third supporting air passages 406 with air with different pressures and volumes, the second supporting air passages 405 and the third supporting air passages 406 are matched with the first supporting air passages 402, the area of the unfolding part 401 is adjusted, and the unfolding part 401 is supported and fixed.

In an optional embodiment of the present invention, as shown in fig. 8, a plurality of supporting airbags 404 are further fixedly disposed at the bottom of the rain collecting surface 400, each supporting airbag 404 is a fan-shaped block structure, each supporting airbag 404 is uniformly fixed at the bottom of the rain collecting surface 400 along the circumferential direction of the rain collecting surface 400, each supporting airbag 404 is provided with an inflation inlet, and at least one supporting airbag 404 is provided with a recycling handle 4041. The rain collecting component 4 can stably float on the water surface through the arrangement of the supporting air bags 404, and the rainwater collecting effect is improved.

Further, the number of support bladders 404 is five.

Wherein, first support air flue 402, second support air flue 405, third support air flue 406 and support gasbag 404 all adopt flexible waterproof material to can play the effect of support and improvement stability to rain collection face 400 under the inflation state, can fold and contract under for the inflation state, convenient to use and deposit.

Further, the first support air passage 402, the second support air passage 405, the third support air passage 406 and the support air bag 404 may be made of, but not limited to, plastic or oil cloth.

In an optional embodiment of the present invention, as shown in fig. 3 and fig. 6, the filtering component 5 includes a housing 501, a trash rack 502 and multiple layers of filtering nets 503, the trash rack 502 is a disc-shaped structure, the trash rack 502 is fixedly disposed at the water falling port of the rain collecting surface 400, the housing 501 is a tubular structure with an opening disposed at the top and the bottom, the top opening of the housing 501 is fixedly connected with the bottom of the water falling port of the rain collecting surface 400, the bottom opening of the housing 501 is fixedly connected with the collecting pipe 3, each filtering net 503 is a tubular structure, each filtering net 503 is fixedly disposed inside the housing 501 from inside to outside, and the filtering holes on each filtering net 503 are staggered with each other. The rainwater collected by the rainwater collection surface 400 is filtered through the trash rack 502, and then the rainwater flowing into the shell 501 is filtered through the multi-layer filter screen 503, so that large-particle silt, impurities and pollutants in the rainwater are removed, and the cleanliness of the rainwater flowing into the sedimentation tank 102 is improved.

In an alternative embodiment of the present invention, as shown in fig. 2 to 5, the reservoir 101 is a rectangular chamber, and the water outlet 104 of the sedimentation basin 102 is opened at an upper portion of a side wall of the sedimentation basin 102 and is communicated with an upper portion of the reservoir 101; the water inlet 105 of the sedimentation basin 102 is opened at the lower part of the other opposite side wall of the sedimentation basin 102 to ensure that solid impurities in the rainwater are precipitated in the sedimentation basin 102, so that the rainwater is filtered for the second time, and the relatively clean rainwater at the upper part of the sedimentation basin 102 flows into the water reservoir to be stored.

Specifically, as shown in fig. 2 and 4, a plurality of partition plates 103 are respectively arranged on the other two opposite side walls of the sedimentation basin 102 adjacent to the water outlet 104 and the water inlet 105 along the vertical direction, the partition plates 103 are staggered with each other, the adjacent partition plates 103 are respectively arranged on the two opposite side walls, and the partition plates 103 are matched to form a chamber with a cross section in a shape of a Chinese character 'gong', so that the flowing distance of rainwater in the sedimentation basin 102 is prolonged, and solid impurities in the rainwater are ensured to be fully precipitated in the sedimentation basin 102.

Further, as shown in fig. 2, 3 and 5, the bottom of the sedimentation basin 102 is inclined downward from the water inlet 105 to the water outlet 104, so as to ensure that rainwater can smoothly flow into the water reservoir 101.

The device is in the use: fix rain collection box 1 on the hull or on the business working platform on water, aerify in first support air flue 402, second support air flue 405 and third support air flue 406 through to, adjust the area of expansion portion 401 in the rain collection surface 400, satisfy the rain collection volume requirement can, aerify in supporting gasbag 404 simultaneously, make rain collection subassembly 4 can steadily float on the surface of water. Collect the rainwater through collection rain subassembly 4, the rainwater loops through trash rack 502 and filter screen 503 after and carries to sedimentation tank 102 in through collecting pipeline 3, large granule silt particle that carries in the rainwater can be filtered to filter subassembly 5, impurity and pollutant, solid impurity in the rainwater deposits in sedimentation tank 102, carry out secondary filter to the rainwater, it stores to be located the comparatively clean rainwater in sedimentation tank 102 upper portion and flow into the cistern through delivery port 104, the rainwater of collecting can regard as people's daily life water to use, if supply the people to drink, then need be through further filtration equipment's purification treatment again.

From the above description, it can be seen that the utility model discloses following technological effect has been realized:

one, this showy collection on water holds rainwater processing apparatus collects the rainwater through collection rain subassembly 4, filter assembly 5 carries out the preliminary filtration back with the rainwater of collecting and carries to sedimentation tank 102 in through collecting pipeline 3, the solid impurity in the rainwater deposits in sedimentation tank 102, thereby fully filter the rainwater, can carry out filtration treatment to the rainwater of collecting when improving the collection efficiency of rainwater, guarantee that the rainwater has higher cleanliness, can regard as the supply source of fresh water on the ship, improve the utilization ratio of rainwater greatly, alleviate the situation of water resource shortage to a certain extent.

Two, this showy collection on water is stored rainwater collection face 400 includes expansion portion 401 and the crimp 403 that flexible material made, the top of collection face 400 is provided with many first support air flues 402, the bottom of collection face 400 is provided with many second support air flues 405 and many third support air flues 406, through control to first support air flue 402, the inside gas filling volume of second support air flue 405 and third support air flue 406, control expansion portion 401's area, thereby can satisfy the requirement of different rainwater collection volumes, can regulate and control the ability reinforce, has stronger practicality.

Third, this showy collection on water holds rainwater processing apparatus is provided with a plurality of support airbags 404 in the bottom of collection rain face 400, can make collection rain subassembly 4 stable float on the surface of water through the setting up of each support airbag 404, improves collection rain subassembly 4's stability and the collection effect to the rainwater.

Fourth, this showy collection on water holds rainwater processing apparatus and is provided with trash rack 502 in the mouth of falling into water department of collection rain face 400, is provided with multilayer filter screen 503 in the below of the mouth of falling into water of collection rain face 400, filters many times the rainwater that collection rain face 400 collected, can fully filter the large granule silt particle, impurity and the pollutant in the rainwater, improves the cleanliness factor of the rainwater that flows into in sedimentation tank 102.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a showy collection on water holds rainwater processing apparatus, its characterized in that, showy collection on water holds rainwater processing apparatus including collection rain case (1), collection rain subassembly (4), filtering component (5) and collection pipeline (3), wherein:

the utility model discloses a rain collection rain case, including rain collection case (1), the top opening part of rain collection case (1) is stamped apron (2), the bottom of rain collection case (1) is provided with collapsible and inflatable air cushion, the inside of rain collection case (1) be provided with cistern (101) and sedimentation tank (102) that the top opening of rain collection case (1) is linked together, delivery port (104) of sedimentation tank (102) with cistern (101) intercommunication, the water inlet (105) of sedimentation tank (102) with the one end of collecting tube (3) is connected, the other end of collecting tube (3) with the mouth that falls into water of rain collection subassembly (4) is connected, filtering component (5) set up collecting tube (3) with between the mouth that falls into water of rain collection subassembly (4).

2. A device for treating floating, accumulating and collecting stormwater according to claim 1, characterised in that the rain collecting assembly (4) comprises a rain collecting surface (400) made of flexible waterproof material, the rain collecting surface (400) being of inverted canopy-like structure, wherein:

the rain collecting surface (400) comprises an unfolding portion (401) and a curling portion (403), a water falling port of the rain collecting surface (400) is arranged at the center of the unfolding portion (401), the curling portion (403) is arranged on the outer side of the unfolding portion (401) in a surrounding mode, the curling portion (403) is integrally connected with the outer edge of the unfolding portion (401), and the curling portion (403) can be unfolded outwards to form the unfolding portion (401).

3. The device for treating the rainwater collected and stored by floating on the water according to claim 2, wherein a plurality of first supporting air channels (402) are arranged at the top of the rainwater collecting surface (400) along the radial direction of the rainwater collecting surface, one end of each first supporting air channel (402) is positioned at the top center of the rainwater collecting surface (400), and the other end of each first supporting air channel (402) extends to the top edge of the rainwater collecting surface (400).

4. The device for treating the rainwater collected and stored by floating on the water according to claim 2, characterized in that a plurality of second supporting air passages (405), a plurality of third supporting air passages (406) and a plurality of supporting air bags (404) are arranged at the bottom of the rainwater collecting surface (400), each third supporting air passage (406) is arranged at the bottom of the rainwater collecting surface (400) along the radial direction of the third supporting air passage, one end of each third supporting air passage (406) is positioned at the center of the bottom of the rainwater collecting surface (400), and the other end of each third supporting air passage (406) extends to the bottom edge of the rainwater collecting surface (400); each second supporting air passage (405) is of an annular structure, the second supporting air passages (405) are uniformly distributed from the center of the bottom of the rain collecting surface (400) to the edge of the bottom of the rain collecting surface (400), and the second supporting air passages (405) are concentric with the rain collecting surface (400); the supporting air bags (404) are uniformly fixed at the bottom of the rain collecting surface (400) along the circumferential direction of the rain collecting surface (400), and a recovery handle (4041) is arranged on at least one supporting air bag (404).

5. The overwater floating, rainwater collecting and storing treatment device according to claim 2, wherein the filter assembly (5) comprises a shell (501), a trash rack (502) and a plurality of layers of filter screens (503), the trash rack (502) is fixedly arranged at a water falling port of the rainwater collecting surface (400), the shell (501) is of a cylindrical structure with the top and the bottom both being provided with openings, the top opening of the shell (501) is connected with the bottom of the water falling port of the rainwater collecting surface (400), the bottom opening of the shell (501) is connected with the collecting pipeline (3), each filter screen (503) is of a cylindrical structure, each filter screen (503) is fixedly arranged inside the shell (501) from inside to outside in sequence, and filter holes on each filter screen (503) are staggered with each other.

6. The device for treating the collected and stored rainwater floating on the water as claimed in claim 1, wherein the water reservoir (101) is a rectangular chamber, and the water outlet (104) of the sedimentation basin (102) is opened at the upper part of one side wall of the sedimentation basin (102) and is communicated with the upper part of the water reservoir (101); the water inlet (105) of the sedimentation tank (102) is opened at the lower part of the other opposite side wall of the sedimentation tank (102).

7. The device for treating the floating, collecting and storing rainwater on the water according to claim 6, characterized in that a plurality of partition plates (103) are respectively arranged on the other two opposite side walls of the sedimentation basin (102) adjacent to the water outlet (104) and the water inlet (105) along the vertical direction, the partition plates (103) are staggered with each other, the adjacent partition plates (103) are respectively arranged on the two opposite side walls, and the partition plates (103) are matched to form a chamber with a bow-shaped cross section.

8. The apparatus according to claim 6, wherein the bottom of the sedimentation basin (102) is inclined downward from the water inlet (105) to the water outlet (104).

9. The apparatus according to claim 1, wherein the collecting pipe (3) is inclined downward from the rain collecting unit (4) to the rain collecting tank (1).

10. An aquatic floating, rainwater collecting and storing treatment device according to claim 1, characterized in that the top edge of the rainwater collecting tank (1) is hermetically connected with the cover plate (2).

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