Energy-saving modular rainwater treatment and landscape water curtain recycling device and method for building

Abstract

The invention relates to a rainwater recycling technology in an environment protection technology, in particular to an energy-saving modular rainwater treatment and landscape water curtain recycling device and method for a building. The device comprises a water storage tank, a landscape water curtain, a water guide groove and a filter tank, the bottom of the water guide groove is communicated with a drainage pipe with a valve, the rainwater flow direction can be switched, initial rainwater is drained into a sewage pipe, and later rainwater enters the water storage tank after being subjected to multi-layer filtration through the filter tank. Activated carbon, quartz sand, a stone layer and other filter assemblies are arranged in the filter box, and a discharging opening is formed in one side so that materials can be replaced conveniently. The device further comprises a back-flushing structure which is achieved by driving a piston through a motor, the filter materials can be cleaned, and the filter screen can be swung to be matched with the material collecting groove to automatically clean large impurities. The device can effectively prevent initial rainwater from polluting a system, reduce the replacement frequency of a filter material, reduce the maintenance cost and meet the water supply requirement of a building landscape water curtain.

Description

Technical Field

[0001] This invention relates to the field of environmental protection technology, and in particular to a modular rainwater treatment and landscape water curtain reuse device and method for energy-saving buildings. Background Technology

[0002] Currently, with the acceleration of urbanization and the increasing demand for building greening, rainwater harvesting and reuse technology has been applied to some extent in the construction field, especially in scenarios such as using rainwater for landscape water curtains, which can both save water resources and enhance the aesthetics of the built environment. However, existing rainwater treatment and reuse devices have significant shortcomings in dealing with the initial rainwater discharge problem.

[0003] During its initial rainfall, rainwater carries a large amount of dust and pollutants from the air, as well as impurities such as fallen leaves and silt accumulated on building rooftops, resulting in poor water quality. Directly introducing this rainwater into a recycling system would not only cause rapid clogging of the filter components and frequent replacement of filter materials, increasing maintenance costs and workload, but also negatively impact the quality of subsequently treated water due to excessive impurities, making it difficult to meet the water requirements for landscape water curtains. To address these issues, this invention proposes an energy-saving modular rainwater treatment and landscape water curtain reuse device and method for buildings. Summary of the Invention

[0004] This invention provides an energy-saving modular rainwater treatment and landscape water curtain reuse device and method for buildings, which solves the shortcomings of the prior art where the initial rainwater contamination enters the recycling system and affects water quality.

[0005] This invention provides the following technical solution:

[0006] A modular rainwater treatment and landscape water curtain reuse device for energy-saving buildings includes a water storage tank and a landscape water curtain installed on one side of the building. The water storage tank is used to collect rainwater falling from the top of the building and supply it to the landscape water curtain. A filter box is fixedly connected to the top of the water storage tank. The filter box is equipped with a filter assembly for filtering rainwater. The filter box is vertically penetrating.

[0007] A water guide channel is fixed to one side of the housing for water collection. A drain pipe is fixedly connected to the bottom of the water guide channel. A first control valve is fixedly installed at one end of the drain pipe. A first connecting pipe is fixedly installed on one side of the first control valve. The first connecting pipe passes through the filter box. A second connecting pipe is fixedly connected to the bottom of the drain pipe. A second control valve is fixedly installed at the bottom of the second connecting pipe. A sewage pipe is fixedly installed on one side of the second control valve.

[0008] Furthermore, the filter assembly is located inside the filter box and includes an activated carbon layer, a quartz sand layer, two gravel layers, and a support mesh. The support mesh is fixed inside the filter box, and the gravel layer, quartz sand layer, activated carbon layer, and gravel layer are laid from bottom to top on the surface of the support mesh.

[0009] Furthermore, a discharge port is provided on one side of the filter box, and a baffle is fixed to one side of the discharge port by bolts.

[0010] Furthermore, a drain pipe is fixedly connected to one side of the bottom of the water tank, and the drain pipe is fixedly connected to the sewage pipe. A drain valve is fixedly installed in the middle of the drain pipe.

[0011] Furthermore, an inclined return pipe is fixedly connected to one side of the filter box, the return pipe is located above the filter assembly, and a fixed cylinder is fixedly connected to the top of the water storage tank. A through slide rod is slidably connected to the top of the fixed cylinder, and a piston is fixedly connected to the bottom of the slide rod. The piston slides with the fixed cylinder.

[0012] Furthermore, a fixed frame is fixedly connected to the top of the water storage tank, a motor is fixedly connected to the top of the fixed frame, a drive block is fixedly connected to one end of the motor output shaft, a drive shaft is fixedly connected to one side of the drive block, and a first connecting rod is rotatably connected between the circumference of the drive shaft and the top of the slide rod.

[0013] Furthermore, a filter screen is hinged to the top of the water guide channel for filtering roof impurities. An extension plate is fixedly connected to one side of the filter screen. A second connecting rod is rotatably connected between one end of the drive shaft and one side of the extension plate. A collection trough is fixedly connected to one side of the water guide channel for collecting impurities falling from the filter screen. The bottom of the collection trough is inclined.

[0014] Furthermore, a water pump is installed on one side of the landscape water curtain to supply water to the landscape water curtain, and the pump's pumping end is connected to the water storage tank through a pipe.

[0015] Furthermore, the top of the water storage tank is fixedly connected to a feeding pipe, and the top of the feeding pipe is fixed with a top cover by bolts, and the top cover is sealed to the feeding pipe.

[0016] This invention also proposes a method for using an energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings, comprising the following steps:

[0017] S1: When it rains, rainwater enters the drain pipe along the top of the house. At this time, the second control valve opens and the first control valve closes. The rainwater flows down into the sewage pipe through the drain pipe and the second control valve and is discharged. This prevents dust in the house and the initial rainwater from entering the water storage tank, increases the number of times the filter components are used, and reduces the need for replacement. After a period of time, the second control valve closes and the first control valve opens, allowing rainwater to enter the filter box.

[0018] S2: Rainwater is filtered through multiple layers in the filter box and then enters the water storage tank for collection. It can then be pumped out by a water pump to provide water for the landscape water curtain.

[0019] S3: A water level sensor is installed in the filter box. When the water tank is full, the water flows into the sewage pipe through the return pipe and is discharged. When the water level sensor detects that the water has overflowed the return pipe, the motor is started. The motor drives the drive block to rotate, and the drive block drives the drive shaft to rotate. The drive shaft drives the slide rod to move up and down through the first connecting rod, thereby driving the piston to move. When the piston moves downward, the water in the water tank overflows upward through the filter box and is discharged through the return pipe, thus creating a backwashing effect on the filter components, keeping the filter components clean and reducing the number of replacements.

[0020] S4: Leaves or other large impurities on the top of the chamber are blocked by the filter screen. When the drive shaft rotates, it also drives the filter screen to rotate upward through the second connecting rod, so that the impurities on the filter screen can be put into the collection tank, avoiding the accumulation of impurities on the filter screen.

[0021] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the invention.

[0022] In this invention, by using the first control valve and the second control valve in combination, the initial rainwater can be discharged into the municipal sewage pipe network, reducing the amount of rainwater with dust entering the water storage tank and reducing the number of times the filter components need to be replaced.

[0023] In this invention, the discharge port and baffle design on one side of the filter box facilitates the periodic replacement of the filter material; while the backwashing function achieved by the motor-driven piston can effectively remove impurities attached to the filter assembly, reducing the frequency of filter material replacement and lowering maintenance workload and costs.

[0024] In this invention, by setting up a filter screen, large foreign objects such as leaves on the top of the chamber can be blocked and can rotate through the filter screen, so that the material on the filter screen can be put into the collection tank, thus avoiding the accumulation of impurities on the filter screen.

[0025] In this invention, the initial rainwater can be discharged into the municipal sewage pipe network, reducing the amount of rainwater with dust entering the water storage tank and reducing the frequency of filter component replacement. At the same time, the backwashing function achieved by the motor-driven piston can effectively remove impurities attached to the filter components and also allow the filter screen to be placed into the collection tank, avoiding the accumulation of impurities on the filter screen. Attached Figure Description

[0026] Figure 1 This is a first-view three-dimensional structural schematic diagram of the energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings provided in an embodiment of the present invention.

[0027] Figure 2 This is a second-view three-dimensional structural schematic diagram of the energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings provided in an embodiment of the present invention.

[0028] Figure 3 This is a partial structural schematic diagram of the energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings provided in an embodiment of the present invention.

[0029] Figure 4 This is a schematic cross-sectional view of the fixed cylinder structure of the energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings provided in an embodiment of the present invention.

[0030] Figure 5 This is a cross-sectional structural diagram of the filter box of the modular rainwater treatment and landscape water curtain reuse device for energy-saving buildings provided in an embodiment of the present invention.

[0031] Figure label:

[0032] 1. Building body; 2. Water storage tank; 3. Landscape water curtain; 4. Water pump; 5. Water guide channel; 6. Filter screen; 7. Drainage pipe; 8. First control valve; 9. First connecting pipe; 10. Filter box; 11. Second connecting pipe; 12. Sewage pipe; 13. Second control valve; 14. Return pipe; 15. Sewage pipe; 16. Sewage valve; 17. Collection trough; 18. Extension plate; 19. Motor; 20. Drive block; 21. First connecting rod; 22. Fixed cylinder; 23. Piston; 24. Slide rod; 25. Drive shaft; 26. Second connecting rod; 27. Fixing frame; 28. Support net; 29. ​​Activated carbon layer; 30. Quartz sand layer; 31. Gravel layer; 32. Baffle. Detailed Implementation

[0033] The embodiments of the present invention will now be described with reference to the accompanying drawings.

[0034] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the devices are connected to each other and their relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of the present invention, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention.

[0035] References to "one embodiment" or "some embodiments" as used in this specification mean that a particular feature, structure, or characteristic described in connection with that embodiment is included in one or more embodiments of the invention. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically emphasized.

[0036] In one embodiment, reference is made to... Figures 1-5 The modular rainwater treatment and landscape water curtain reuse device for energy-saving buildings is installed on one side of the building body 1. The whole device consists of a water storage tank 2, a landscape water curtain 3, a water guide channel 5, a filter box 10, and related pipelines and control components.

[0037] The water storage tank 2 is made of stainless steel and its volume is designed according to the roof area of ​​the building. The bottom is fixed to the ground by a concrete base and maintains a certain distance from the outer wall of the building 1.

[0038] The drainage channel 5 is a U-shaped aluminum alloy channel, fixed under the eaves of the building 1 by angle steel brackets. The channel is inclined in the drainage direction to ensure smooth rainwater flow. A drain pipe 7 is welded to the bottom of the drainage channel 5. One end of the drain pipe 7 is connected to the drain outlet at the bottom of the drainage channel 5, and the other end is equipped with a first control valve 8. The first control valve 8 is an electromagnetic ball valve, and one side of it is connected to a first connecting pipe 9 via a flange. The end of the first connecting pipe 9 penetrates vertically through the side wall of the top of the filter box 10, with the pipe opening located above the filter assembly. The bottom of the drain pipe 7 is also connected to a second connecting pipe 11. A second control valve 13 is installed at the bottom of the second connecting pipe 11. This valve is also an electromagnetic ball valve, with a model compatible with the first control valve 8. One side of the second control valve 13 is connected to a sewage pipe 12, which is connected to the building's municipal sewage network.

[0039] In this invention, the filter box 10 has a rectangular structure, welded from 304 stainless steel plate, with open ends. The top is sealed to the first connecting pipe 9 via a flange, and the bottom is connected to the water inlet at the top of the water storage tank 2 via a pipe. The filter components inside the filter box 10, from bottom to top, are a support mesh 28, a pebble layer 31, a quartz sand layer 30, an activated carbon layer 29, and another pebble layer 31. The support mesh 28 is made of stainless steel and is fixed to a protrusion on the inner wall of the filter box 10 with bolts. The lower pebble layer 31 uses cobblestones; the middle quartz sand layer 30 uses quartz sand; the activated carbon layer 29 uses granular activated carbon; and the upper pebble layer 31 also uses cobblestones. A discharge port is provided on one side of the filter box 10 near the support mesh 28, with a flange welded to the edge of the discharge port. A stainless steel baffle 32 is fixed with bolts, and a rubber sealing ring is installed between the baffle 32 and the flange to achieve a seal.

[0040] Specifically, a drain pipe 15 is connected to one side of the bottom of the water storage tank 2. One end of the drain pipe 15 is connected to the drain outlet at the bottom of the water storage tank 2, and the other end is connected to the sewage pipe 12. A drain valve 16, which is a manual ball valve, is installed in the middle. A return pipe 14 is welded to one side of the filter box 10 near the top. The return pipe 14 is inclined, with its high end connected to the filter box 10 and its low end connected to the sewage pipe 12. A fixed cylinder 22 is welded to the top of the water storage tank 2. The fixed cylinder 22 is made of stainless steel, and a sliding rod 24 is slidably connected to the top. A piston 23, made of rubber, is fixed to the bottom of the sliding rod 24 and fits tightly against the inner wall of the fixed cylinder 22 to achieve a sealed sliding motion.

[0041] In this invention, a fixing frame 27, made of angle steel, is bolted to the top of the water tank 2. A motor 19 is mounted on the top, and the output shaft of the motor 19 is connected to a drive block 20 via a coupling. The drive block 20 is a steel plate with a drive shaft 25 welded to its edge. The drive shaft 25 maintains a certain eccentricity with the axis of the drive block 20. The circumference of the drive shaft 25 is connected to the top of the slide rod 24 via a pin to a first connecting rod 21, which is a steel pipe.

[0042] Specifically, a filter screen 6 is hinged to the top of the water guide trough 5. The filter screen 6 is made of stainless steel, and its edges are connected to the side of the water guide trough 5 via hinges. An extension plate 18, which is a rectangular steel plate, is welded to one side of the filter screen 6. One end of the drive shaft 25 is connected to a second connecting rod 26 via a pin. The second connecting rod 26 is also made of steel pipe, and its length is adjusted according to the installation position. A collection trough 17, which is an L-shaped trough made of galvanized steel plate, is welded to one side of the water guide trough 5. Its length is the same as that of the water guide trough 5, and its bottom slopes outward to facilitate the sliding of impurities.

[0043] In this invention, a water pump 4 is provided on one side of the landscape water curtain 3. The water pump 4 is fixed to the ground by bolts. The pumping end is connected to the outlet at the bottom of the water storage tank 2 through a pipe, and the outlet end is connected to the inlet of the landscape water curtain 3 through a pipe.

[0044] In particular, a feeding pipe is welded to the top of the water storage tank 2, and a top cover is fixed to the top of the feeding pipe by bolts. A rubber sealing ring is installed between the top cover and the feeding pipe to achieve a seal.

[0045] This invention also proposes a method for using an energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings, comprising the following steps:

[0046] S1: When it rains, rainwater enters the drain pipe 7 along the top of the house 1. At this time, the second control valve 13 opens and the first control valve 8 closes. The rainwater flows down through the drain pipe 7 and the second control valve 13 into the sewage pipe 12 for discharge. This prevents dust in the house 1 and the initial rainwater from entering the water storage tank 2, increases the number of times the filter components are used, and reduces the need for replacement. After a period of time, the second control valve 13 closes and the first control valve 8 opens, allowing rainwater to enter the filter box 10.

[0047] S2: Rainwater is collected in the water storage tank 2 after passing through multiple layers of filtration in the filter box 10. It can then be pumped by the water pump 4 to provide water for the landscape water curtain 3.

[0048] S3: A water level sensor is installed in the filter box 10. When the water tank 2 is full, the water enters the sewage pipe 12 through the return pipe 14 and is discharged. When the water level sensor detects that the water has overflowed the return pipe 14, the motor 19 is started. The motor 19 drives the drive block 20 to rotate, and the drive block 20 drives the drive shaft 25 to rotate. The drive shaft 25 drives the slide rod 24 to move up and down through the first connecting rod 21, thereby driving the piston 23 to move. When the piston 23 moves downward, the water in the water tank 2 overflows upward through the filter box 10 and is discharged through the return pipe 14, thereby creating a backwashing effect on the filter components, maintaining the cleanliness of the filter components and reducing the number of replacements.

[0049] S4: Leaves or other large impurities on the top of the chamber 1 are blocked by the filter screen 6. When the drive shaft 25 rotates, it also drives the filter screen 6 to rotate upward through the second connecting rod 26, so that the impurities on the filter screen 6 can be put into the collection tank 17, thus avoiding the accumulation of impurities on the filter screen 6.

[0050] However, as is well known to those skilled in the art, the working principles and wiring methods of the water pump 4 and the motor 19 are conventional methods or common knowledge, and will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0051] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. In the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A modular rainwater treatment and landscape water curtain reuse device for energy-saving buildings, characterized in that, Include: The water storage tank (2) and landscape water curtain (3) are arranged on one side of the house body (1), the water storage tank (2) is used for collecting rainwater falling from the top of the house body (1) and supplying the landscape water curtain (3), the top of the water storage tank (2) is fixedly connected with a filter box (10), a filter assembly is arranged in the filter box (10) for filtering rainwater, and the filter box (10) is in an up-down penetrating manner; The water guide groove (5) is fixed on one side of the house body (1) for water collection, the bottom of the water guide groove (5) is fixedly connected with a drain pipe (7), one end of the drain pipe (7) is fixedly provided with a first control valve (8), one side of the first control valve (8) is fixedly provided with a first communication pipe (9), the first communication pipe (9) is fixedly penetrated through the filter box (10), the bottom of the drain pipe (7) is fixedly connected with a second communication pipe (11), the bottom of the second communication pipe (11) is fixedly provided with a second control valve (13), one side of the second control valve (13) is fixedly provided with a sewage pipe (12).

2. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 1, characterized in that, The filter assembly is located in the filter box (10) and includes an activated carbon layer (29), a quartz sand layer (30), two layers of stone layers (31) and a support net (28), the support net (28) is fixed in the filter box (10), and the stone layer (31), the quartz sand layer (30), the activated carbon layer (29) and the stone layer (31) are laid on the surface of the support net (28) from bottom to top.

3. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 1, characterized in that, One side of the filter box (10) is provided with a discharge port, and the discharge port is fixedly provided with a baffle (32) on one side through bolts.

4. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 1, characterized in that, One side of the bottom of the water storage tank (2) is fixedly connected with a blowdown pipe (15), the blowdown pipe (15) is fixedly connected with the sewage pipe (12), and the blowdown pipe (15) is fixedly provided with a blowdown valve (16) in the middle.

5. The energy-efficient modular rainwater treatment and landscape water curtain reuse device for buildings according to claim 1, characterized in that, One side of the filter box (10) is fixedly connected with an inclined backflow pipe (14), the backflow pipe (14) is located above the filter assembly, the top of the water storage tank (2) is fixedly connected with a fixed cylinder (22), the top of the fixed cylinder (22) is slidingly connected with a penetrating slide rod (24), the bottom of the slide rod (24) is fixedly connected with a piston (23), and the piston (23) slides with the fixed cylinder (22).

6. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 5, characterized in that, The top of the water storage tank (2) is fixedly connected with a fixed frame (27), the top of the fixed frame (27) is fixedly connected with a motor (19), one end of the output shaft of the motor (19) is fixedly connected with a driving block (20), one side of the driving block (20) is fixedly connected with a driving shaft (25), and the driving shaft (25) is rotatably connected with the first connecting rod (21) between the top of the slide rod (24) and the circumference of the driving shaft (25).

7. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 6, characterized in that, The top of the water guide groove (5) is hingedly provided with a filter screen (6) for filtering roof impurities, one side of the filter screen (6) is fixedly connected with an extension plate (18), one end of the driving shaft (25) is rotatably connected with the second connecting rod (26) between one side of the extension plate (18), and one side of the water guide groove (5) is fixedly connected with a material collecting groove (17) for collecting impurities falling on the filter screen (6), and the bottom of the material collecting groove (17) is arranged in an inclined manner.

8. The energy-saving modular rainwater treatment and landscape water curtain reuse device for building according to claim 7, characterized in that, One side of the landscape water curtain (3) is provided with a water pump (4) for supplying water to the landscape water curtain (3), and the water pumping end of the water pump (4) is communicated with the water storage tank (2) through a pipeline.

9. The energy-efficient modular rainwater treatment and landscape water curtain reuse device for buildings according to claim 1, characterized in that, The top of the water storage tank (2) is fixedly communicated with a feeding pipe, and the top of the feeding pipe is fixedly provided with a top cover through bolts, and the top cover is sealingly arranged with the feeding pipe.

10. The method of using the energy-saving modular rainwater treatment and landscape water curtain reuse device for buildings according to any one of claims 1-9, characterized in that, Comprise the following steps: S1: When it rains, the rainwater enters the drain pipe (7) along the top of the house body (1), at this time, the second control valve (13) is opened, the first control valve (8) is closed, and the flowing rainwater flows into the sewage pipe (12) through the drain pipe (7) and the second control valve (13) and is discharged, avoiding the house body (1) and the dust in the initial rainwater from entering the water storage tank (2), improving the use frequency of the filter assembly, reducing replacement, and after a period of time, the second control valve (13) is closed, and the first control valve (8) is opened, so that the rainwater enters the filter box (10); S2: The rainwater in the filter box (10) enters the water storage tank (2) after being filtered by multiple layers, and can be pumped by the water pump (4), thereby providing water for the landscape water curtain (3); S3: The water level sensor is arranged in the filter box (10), when the water storage tank (2) is full, the water enters the sewage pipe (12) through the backflow pipe (14) and is discharged, when the water level sensor detects that the water overflows the backflow pipe (14), the motor (19) is started, the motor (19) drives the driving block (20) to rotate, the driving block (20) drives the driving shaft (25) to rotate, the driving shaft (25) drives the sliding rod (24) to move up and down through the first connecting rod (21), thereby driving the piston (23) to move, when the piston (23) moves downward, the water in the water storage tank (2) flows upward through the filter box (10) and is discharged through the backflow pipe (14), thereby forming a backwashing effect on the filter assembly, maintaining the cleanliness of the filter assembly and reducing the replacement frequency; S4: The leaves or other large impurities on the top of the house body (1) are blocked by the filter screen (6), when the driving shaft (25) rotates, the filter screen (6) is also driven to rotate upward through the second connecting rod (26), so that the impurities on the filter screen (6) can be discharged into the collecting groove (17), avoiding the accumulation of impurities on the filter screen (6).

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