CN106836669B

CN106836669B - Roof rainwater collecting, pressure-bearing filtering and discharging modular assembly system

Info

Publication number: CN106836669B
Application number: CN201710214279.7A
Authority: CN
Inventors: 王东; 蒋德平; 季翔; 张宝军; 田国华; 季元
Original assignee: Jiangsu Institute of Architectural Technology
Current assignee: Jiangsu Institute of Architectural Technology
Priority date: 2017-04-01
Filing date: 2017-04-01
Publication date: 2022-05-10
Anticipated expiration: 2037-04-01
Also published as: CN106836669A

Abstract

A roof rainwater collecting, pressure-bearing filtering and discharging modular assembly system comprises a floor drain assembly, a connecting mechanism and a filtering assembly; the floor drain assembly is arranged at a roof drainage ditch or a water collection port and is communicated with a filtering assembly positioned at one floor of a building through a connecting mechanism, and a lower port of the filtering assembly is connected with a water pipe. The invention replaces the downpipe of the existing building, utilizes the high water pressure, ensures that the rainwater is filtered in the drainage process, can be recycled, shortens the runoff length of the rainwater, reduces the recontamination probability of the rainwater, and improves the rainwater recycling efficiency.

Description

Roof rainwater collecting, pressure-bearing filtering and discharging modular assembly system

Technical Field

The invention relates to the technical field of rainwater treatment, in particular to a modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage.

Background

Rainwater utilization is not only a way of open source throttling, but also has great significance in the aspects of improving ecological environment, controlling water pollution and the like. The development of rainwater utilization technology in China is relatively backward in developed countries, and the technical principle and engineering construction are simple. Rainwater collection systems have been built on some urban buildings, but there are no treatment and recycling systems. Rainwater utilization mainly has the following two forms: and infiltrating and recharging to replenish underground water and reuse as reclaimed water. The roof rainwater is convenient to collect, and the water quality is relatively good, so that the roof rainwater collecting device is a key object for urban rainwater utilization. If the rainwater can be effectively treated and utilized, the method is more economical, simple and easy to operate than the method for treating the lightly polluted domestic sewage.

The downpipe of most domestic buildings is directly discharged to outdoor greenbelt or enters a rainwater drainage pipe network. Rainwater is not utilized more efficiently, more pollution is caused in the rainwater flow path process, and the filtering cost of later-stage reutilization is increased. Therefore, there is a need for a new rainwater collection system to solve the above existing problems.

Disclosure of Invention

According to prior art's not enough, provide a roofing rainwater and collect, pressure-bearing filtration, discharge modularization equipment system, replace the pipe in the water of present building, utilize elevation water pressure for the rainwater just passes through filtration treatment at the in-process of discharging, can recycle, shorten rainwater runoff length, reduce the probability of polluting again of rainwater, improve rainwater recycle efficiency.

The invention is realized according to the following technical scheme:

a roof rainwater collecting, pressure-bearing filtering and discharging modular assembly system comprises a floor drain assembly, a connecting mechanism and a filtering assembly; the floor drain assembly is arranged at a roof drainage ditch or a water collection port and is communicated with a filtering assembly positioned at one floor of a building through a connecting mechanism, and a lower port of the filtering assembly is connected with a water pipe.

Preferably, the floor drain assembly comprises an iron filter grate, a large-aperture filter layer, a middle-aperture filter layer, a water collection funnel and an outer pipe I; the iron filter grate, the large-aperture filter layer, the medium-aperture filter layer and the water collection funnel are sequentially and fixedly arranged in the outer pipe I from top to bottom, the upper surface of the iron filter grate is flush with the upper opening surface of the outer pipe I, and the upper opening surface of the outer pipe I is not higher than the horizontal plane of the drainage ditch or the water collection port; the wide-mouth outer diameter of the catchment funnel is equal to the inner diameter of the outer tube I, and the lower opening face of the outer tube I is lower than the narrow-mouth face of the catchment funnel.

Preferably, the connection mechanism comprises a plurality of sleeve assemblies a and a plurality of link assemblies;

the sleeve assembly A consists of an outer pipe II and an inner pipe II which is positioned in the outer pipe II and is concentric with the outer pipe II, and the outer pipe II and the inner pipe II are as long as each other; the linkage assembly comprises a linkage assembly external connection pipe and a linkage assembly internal connection pipe which is positioned in the linkage assembly external connection pipe and is concentric with the linkage assembly external connection pipe, and the linkage assembly external connection pipe and the linkage assembly internal connection pipe are fixed together through a plurality of internal and external pipe connection rods; the upper end and the lower end of the external connection pipe of the link assembly are respectively provided with an external connection pipe screw port, and the upper end and the lower end of the internal connection pipe of the link assembly are respectively provided with an internal connection pipe screw port; two adjacent sleeve pipe subassemblies A are fixedly connected through a linking subassembly, and the floor drain subassembly is connected with the sleeve pipe subassembly A through the linking subassembly.

Preferably, the connecting mechanism further comprises a sleeve assembly B, wherein the sleeve assembly B comprises an outer tube III and an inner tube III which is positioned in the outer tube III and is concentric with the outer tube III, and the outer tube III and the inner tube III are as long as each other; a three-way branch pipe connector is arranged on the radial side surface of the outer pipe III; the adjacent sleeve assembly B and the sleeve assembly A are fixedly connected through a linking assembly.

Preferably, the connecting mechanism further comprises an elbow assembly, the elbow assembly comprises an outer pipe IV and an inner pipe IV which is positioned in the outer pipe IV and is concentric with the outer pipe IV, and the outer pipe IV and the inner pipe IV are equal in length; and the upper and lower open ends of the elbow component are respectively provided with a linking component.

Preferably, the filter assembly comprises a filter cartridge outer tube which is narrow at the upper part and the lower part and wide in the middle, the narrow opening at the upper part of the filter cartridge outer tube is fixedly connected with an inner tube I positioned in the filter cartridge outer tube through a linking assembly, the bottom of the inner tube I extends to the lower part of the wide body of the filter cartridge outer tube, and the middle lower part of the wide body of the filter cartridge outer tube is provided with the filter system; the filtering system comprises a circular ring cylindrical shell which is sealed up and down; this cylindrical casing suit of ring is on inner tube I, and the casing lower part is linked together with inner tube I and forms a sediment chamber, and it has a full circle of one-level quartz sand filter core to fill in the casing, and radial side top department intercommunication at the casing has a water purification pipe, and the delivery port of this water purification pipe extends to in the header tank outside being located the filter cylinder, the space between one-level quartz sand filter core and the water purification pipe forms a water purification chamber.

Preferably, the casing is further filled with a whole ring of second-stage quartz sand filter element, the second-stage quartz sand filter element is arranged on the upper portion of the first-stage quartz sand filter element, and a water purification cavity is formed in the space between the second-stage quartz sand filter element and the water purification conduit.

Preferably, a full circle of three-stage quartz sand filter element is further filled in the shell, the three-stage quartz sand filter element is arranged on the upper portion of the two-stage quartz sand filter element, and a water purifying cavity is formed in a space between the three-stage quartz sand filter element and the water purifying conduit.

Preferably, a dirt cleaning port is formed in the radial side face of the shell at the position of the settling cavity, a dirt outlet of the dirt cleaning port extends out of the filter cylinder, and a detachable sealing cover is mounted at the dirt outlet of the dirt cleaning port.

Preferably, a drainage valve is arranged on the axial side face of the shell at the position of the sedimentation cavity, and a hand wheel of the drainage valve is arranged outside the filter cylinder outer pipe.

The invention has the beneficial effects that:

the first modular block and the standard modular block can be assembled on any building roof according to specific conditions without independent design;

secondly, the modular components are convenient to carry and beneficial to construction, and influence in the construction process is small;

thirdly, the rainwater is recycled and filtered in the initial stage of rainwater collection, so that the rainwater recycling cost is reduced, and the rainwater utilization efficiency is improved;

fourthly, the system module is produced in an industrialized mode, so that the cost is reduced, and the pollution is reduced;

fifthly, visual economic benefits are brought to building users, and the cost is recovered and improved.

Drawings

FIG. 1 is a schematic view of the overall system of the present invention;

FIG. 2 is a detailed view of the floor drain assembly;

FIG. 3 is a detailed view of the swivel tube assembly;

FIG. 4 is a detail view of sleeve assembly A;

FIG. 5 is a detail view of sleeve assembly B;

FIG. 6 is a sectional view taken along the plane A-A;

FIG. 7 is a sectional view taken along the plane B-B;

FIG. 8 is a detail view of the link assembly;

FIG. 9 is a longitudinal cross-sectional view of the linking assembly;

FIG. 10 is a detailed view of the filter assembly;

FIG. 11 is a cross-sectional view taken along plane C-C;

FIG. 12 is a schematic view of a preferred system of the present invention;

in the figure: 1. a floor drain assembly, 2, a rotating pipe assembly, 3, sleeve pipe assemblies A, 4, a linking assembly, 5, sleeve pipe assemblies B, 6, a filtering assembly, 7, a water pipe, 8, an iron filtering grate, 9, a large-aperture filtering layer, 10, a medium-aperture filtering layer, 11a, outer pipes I, 11B, outer pipes II, 11c, outer pipes III, 11d, outer pipes IV, 12, a water collecting funnel, 13a, inner pipes I, 13B, inner pipes II, 13c, inner pipes III, 13d, inner pipes IV, 14, a linking assembly external pipe, 15, a linking assembly internal pipe, 16, an internal and external pipe connecting rod, 17, an internal pipe thread, 18, an external pipe thread, 19, a three-way branch pipe joint, 20, a settling cavity, 21, a water purifying conduit, 22, a primary quartz sand filter core, 23, a secondary quartz sand filter core, 24, a tertiary quartz sand filter core, 25, a water purifying cavity, 26, a drainage valve, 27, a dirt cleaning port, 28 and a water collecting tank, 29. an outer cartridge tube.

Detailed Description

The invention is further described by the following specific embodiments with reference to the attached drawings.

As shown in fig. 1, a modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage comprises a floor drain assembly 1, a connecting mechanism and a filtering assembly 6; the floor drain assembly 1 is arranged at a roof drainage ditch or a water collection port and is communicated with a filtering assembly 6 positioned at one floor of a building through a connecting mechanism, and the lower port of the filtering assembly 6 is connected with a water pipe 7.

As shown in fig. 2 and 6, the floor drain assembly 1 comprises an iron filter grate 8, a large-aperture filter layer 9, a medium-aperture filter layer 10, a water collection funnel 12 and an outer pipe I11 a; an iron filter grate 8, a large-aperture filter layer 9, a medium-aperture filter layer 10 and a water collection funnel 12 are fixedly arranged in the outer pipe I11 a from top to bottom in sequence, the upper surface of the iron filter grate 8 is flush with the upper opening surface of the outer pipe I11 a, and the upper opening surface of the outer pipe I11 a is not higher than the horizontal surface of a drainage ditch or a water collection port; the wide-mouth outer diameter of the water collection funnel 12 is equal to the inner diameter of the outer pipe I11 a, and the lower opening surface of the outer pipe I11 a is lower than the narrow-mouth surface of the water collection funnel 12.

As shown in fig. 4, 7, 8, 9, the connection mechanism includes a plurality of ferrule assemblies a3 and a plurality of link assemblies 4; the sleeve assembly A3 consists of an outer tube II 11b and an inner tube II 13b which is positioned in the outer tube II 11b and is concentric with the outer tube II, and the outer tube II 11b is as long as the inner tube II 13 b; the link assembly 4 comprises a link assembly outer connecting pipe 14 and a link assembly inner connecting pipe 15 which is positioned in the link assembly outer connecting pipe 14 and is concentric with the link assembly outer connecting pipe 14, and the link assembly outer connecting pipe 14 and the link assembly inner connecting pipe 15 are fixed together through a plurality of inner and outer pipe connecting rods 16; the upper end and the lower end of the external connecting pipe 14 of the link component are respectively provided with an external connecting pipe screw port 18, and the upper end and the lower end of the internal connecting pipe 15 of the link component are respectively provided with an internal connecting pipe screw port 17; two adjacent sleeve assemblies A3 are fixedly connected through a linking assembly 4, and the floor drain assembly 1 is connected with the sleeve assembly A3 through the linking assembly 4.

As shown in fig. 5, the connection mechanism further includes a cannula assembly B5, wherein cannula assembly B5 includes an outer tube iii 11c and an inner tube iii 13c concentric with and within outer tube iii 11c, and outer tube iii 11c is as long as inner tube iii 13 c; a three-way branch pipe connector 19 is arranged on the radial side surface of the outer pipe III 11 c; adjacent sleeve assemblies B5 and A3 are fixedly connected by a link assembly 4.

As shown in fig. 3, the connecting mechanism further comprises an elbow assembly 2, the elbow assembly 2 comprises an outer tube iv 11d and an inner tube iv 13d which is positioned in the outer tube iv 11d and is concentric with the outer tube iv 11d, and the outer tube iv 11d and the inner tube iv 13d are equal in length; a link assembly 4 is mounted on each of the upper and lower open ends of the elbow assembly 2.

As shown in fig. 10 and 11, the filter assembly 6 comprises a cartridge outer tube 29 which is narrow at the upper and lower parts and wide at the middle part, an inner tube i 13a positioned in the cartridge outer tube 29 is fixedly connected at the upper narrow opening of the cartridge outer tube 29 through a linking assembly 4, the bottom of the inner tube i 13a extends to the lower part of the wide body of the cartridge outer tube 29, and a filter system is arranged at the middle and lower part of the wide body of the cartridge outer tube 29; the filtering system comprises a circular ring cylindrical shell which is sealed up and down; the cylindrical shell is sleeved on an inner pipe I13 a, the lower part of the shell is communicated with the inner pipe I13 a to form a precipitation cavity 20, a whole circle of a first-stage quartz sand filter element 22 is filled in the shell, a whole circle of a second-stage quartz sand filter element 23 is also arranged on the first-stage quartz sand filter element 22, a whole circle of a third-stage quartz sand filter element 24 is also arranged on the second-stage quartz sand filter element 23, a water purification pipe 21 is communicated with the top of the radial side surface of the shell, the water outlet of the water purification pipe 21 extends into a water collection tank 28 outside an outer pipe 29 of the filter cartridge, and a water purification cavity 25 is formed in the space between the third-stage quartz sand filter element 24 and the water purification pipe 21; a dirt cleaning port 27 is arranged on the radial side surface of the shell at the position of the sedimentation cavity 20, the dirt outlet of the dirt cleaning port 27 extends out of the outer tube 29 of the filter cylinder, and a detachable sealing cover is arranged at the dirt outlet of the dirt cleaning port 27. A drain valve 26 is provided on the axial side of the housing at the settling chamber 20, the hand wheel of the drain valve 26 being mounted outside the cartridge outer tube 29.

The working process is as follows:

the system is applied to small high-rise or high-rise houses, the floor drain assembly 1 is installed at a roof drainage ditch or a water collection port, the elbow assembly 2, the sleeve assembly A3, the linking assembly 4 and the sleeve assembly B5 are linked according to specific building conditions, as shown in figure 12, the filtering assembly 6 is connected to a first building layer, and the lower port of the filtering assembly 6 is connected with the water pipe 7 to form a whole system.

When the rainwater weather occurs, rainwater is collected on the roof and enters the floor drain assembly 1, large impurities in the rainwater are filtered by the iron filter grate 8, the large-aperture filter layer 9 and the medium-aperture filter layer 10, the rainwater enters the inner pipe I13 a through the water collection funnel 12, the outer diameter of a narrow opening of the water collection funnel 12 is slightly smaller than the inner diameter of the inner connecting pipe 15 of the linking assembly, the outer diameter of a wide opening of the water collection funnel 12 is equal to the inner diameter of the outer pipe I11 a, and the opening surface of the lower part of the outer pipe I11 a is lower than the narrow opening surface of the water collection funnel 12; when the bottom of the floor drain assembly 1 is connected with the elbow assembly 2 or the bottom of the floor drain assembly 1 is connected with the sleeve assembly A or the sleeve assembly B through the linking assembly 4, a gap is reserved between the bottom of the water collection funnel 12 and the top of the inner pipe to serve as an overflow port.

Rainwater flows into the precipitation cavity 20 through the inner tube after flowing out from the catchment funnel 12, along with the collection of rainwater, forms the water pressure difference at three-level filtration system both ends, impresses the rainwater in proper order in the one-level quartz sand filter core 22, second grade quartz sand filter core 23, three-level quartz sand filter core 24, and the rainwater filters through three-layer filter core, gets into the water purification chamber 25, collects the storage in the header tank 28 through the water purification pipe 21 afterwards.

When the inner pipe is full of rainwater, the rainwater in the inner pipe flows into the outer pipe through an overflow port between the bottom of the water collection funnel 12 and the top of the inner pipe, enters the water pipe 7 through the filter cartridge outer pipe 29 and is directly discharged. When a branch flow needs to be drained, the branch flow is directly discharged into the outer pipe 11c by using the three-way branch pipe interface 19 on the sleeve assembly B5 and does not enter the filtering system.

When the rain begins to fall, the rainwater flows through the rainwater and is dirty, the drain valve 26 is opened by screwing the external hand wheel, the rainwater is directly drained, the drain valve 26 is closed after 10 minutes, and the system starts to work. When the filtration demand cannot be satisfied by the pressure difference with the decrease of the water level in the inner pipe after the rain stops, the rainwater in the inner pipe is drained by the drainage valve 26, and the dirt in the settling chamber 20 is periodically cleaned through the dirt cleaning port 27.

The invention replaces the downpipe of the existing building, utilizes the high water pressure, ensures that the rainwater is filtered in the drainage process, can be recycled, shortens the runoff length of the rainwater, reduces the recontamination probability of the rainwater, and improves the rainwater recycling efficiency. The modular block of standard is convenient for carry, does benefit to the construction, and the influence is less in the work progress, can all assemble according to particular case on any building roof, need not design alone again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roofing rainwater is collected, pressure-bearing filters, discharges modularization equipment system which characterized in that: the system comprises a floor drain assembly (1), a connecting mechanism and a filtering assembly (6);

the floor drain assembly (1) is arranged at a roof drainage ditch or a water collection port and is communicated with a filtering assembly (6) positioned at one floor of a building through a connecting mechanism, and a lower port of the filtering assembly (6) is connected with a water pipe (7);

the floor drain assembly (1) comprises an iron filter grate (8), a large-aperture filter layer (9), a medium-aperture filter layer (10), a water collection funnel (12) and an outer pipe I (11 a);

the iron filter grate (8), the large-aperture filter layer (9), the medium-aperture filter layer (10) and the water collecting funnel (12) are sequentially and fixedly arranged in the outer pipe I (11 a) from top to bottom, the upper surface of the iron filter grate (8) is flush with the upper opening surface of the outer pipe I (11 a), and the upper opening surface of the outer pipe I (11 a) is not higher than the horizontal surface of a drainage ditch or a water collecting opening;

the width of the catchment funnel (12); the outer diameter of the opening is equal to the inner diameter of the outer pipe I (11 a), and the opening surface of the lower part of the outer pipe I (11 a) is lower than the narrow opening surface of the water collection funnel (12);

the connection mechanism comprises a plurality of sleeve assemblies A (3) and a plurality of link assemblies (4);

the sleeve assembly A (3) consists of an outer tube II (11 b) and an inner tube II (13 b) which is positioned in the outer tube II (11 b) and is concentric with the outer tube II, and the outer tube II (11 b) is as long as the inner tube II (13 b);

the link assembly (4) comprises a link assembly outer connecting pipe (14) and a link assembly inner connecting pipe (15) which is positioned in the link assembly outer connecting pipe (14) and is concentric with the link assembly outer connecting pipe, and the link assembly outer connecting pipe (14) and the link assembly inner connecting pipe (15) are fixed together through a plurality of inner and outer pipe connecting rods (16);

the upper end and the lower end of the external connecting pipe (14) of the link component are respectively provided with an external connecting pipe screw port (18), and the upper end and the lower end of the internal connecting pipe (15) of the link component are respectively provided with an internal connecting pipe screw port (17);

two adjacent sleeve assemblies A (3) are fixedly connected through a linking assembly (4), and the floor drain assembly (1) is connected with the sleeve assemblies A (3) through the linking assembly (4);

the connecting mechanism further comprises a sleeve assembly B (5), wherein the sleeve assembly B (5) comprises an outer tube III (11 c) and an inner tube III (13 c) which is positioned in the outer tube III (11 c) and is concentric with the outer tube III, and the length of the outer tube III (11 c) is equal to that of the inner tube III (13 c); a three-way branch pipe interface (19) is arranged at the radial side surface of the outer pipe III (11 c); the adjacent sleeve pipe assembly B (5) and the adjacent sleeve pipe assembly A (3) are fixedly connected through a linking assembly (4);

the connecting mechanism further comprises a bent pipe assembly (2), the bent pipe assembly (2) comprises an outer pipe IV (11 d) and an inner pipe IV (13 d) which is positioned in the outer pipe IV (11 d) and is concentric with the outer pipe IV, and the length of the outer pipe IV (11 d) is equal to that of the inner pipe IV (13 d);

the upper opening end and the lower opening end of the elbow component (2) are respectively provided with a linking component (4);

the filter assembly (6) comprises a filter cartridge outer tube (29) which is narrow at the upper part and the lower part and wide in the middle, an inner tube I (13 a) positioned in the filter cartridge outer tube (29) is fixedly connected at the narrow opening at the upper part of the filter cartridge outer tube (29) through a linking assembly (4), the bottom of the inner tube I (13 a) extends to the lower part of the wide body of the filter cartridge outer tube (29), and a filter system is arranged at the middle lower part of the wide body of the filter cartridge outer tube (29);

the filtering system comprises a circular ring cylindrical shell which is sealed up and down; this cylindrical casing suit of ring is on inner tube I (13 a), and the casing lower part is linked together with inner tube I (13 a) and is formed a sediment chamber (20), and it has one whole ring of one-level quartz sand filter core (22) to fill in the casing, and radial side top department intercommunication at the casing has a water purification pipe (21), and the delivery port of this water purification pipe (21) extends to in being located the header tank (28) outside straining a section of thick bamboo outer tube (29), the space between one-level quartz sand filter core (22) and water purification pipe (21) forms a water purification chamber (25).

2. The modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage according to claim 1, wherein: still pack in the casing and have a whole circle second grade quartz sand filter core (23), and this second grade quartz sand filter core (23) set up on first-order quartz sand filter core (22) upper portion, and the space between second grade quartz sand filter core (23) and water purification pipe (21) forms a water purification chamber (25).

3. The modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage according to claim 2, wherein: the shell is also filled with a full circle of three-level quartz sand filter element (24), the three-level quartz sand filter element (24) is arranged on the upper part of the second-level quartz sand filter element (23), and a water purifying cavity (25) is formed in the space between the three-level quartz sand filter element (24) and the water purifying conduit (21).

4. The modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage according to claim 1, wherein: a dirt cleaning port (27) is arranged on the radial side surface of the shell at the position of the sedimentation cavity (20), the dirt outlet of the dirt cleaning port (27) extends out of the outer tube (29) of the filter cylinder, and a detachable sealing cover is arranged at the dirt outlet of the dirt cleaning port (27).

5. The modular assembly system for roof rainwater collection, pressure-bearing filtration and drainage according to claim 1, wherein: a water discharge valve (26) is arranged on the axial side surface of the shell at the position of the sedimentation cavity (20), and a hand wheel of the water discharge valve (26) is arranged outside the outer pipe (29) of the filter cylinder.