CN212026544U

CN212026544U - PP module easy to clean and maintain and used for building sponge city

Info

Publication number: CN212026544U
Application number: CN202020302958.7U
Authority: CN
Inventors: 翟建国; 李遵云; 贾智谋; 郑瑞杰; 李健; 陈贻明
Original assignee: CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
Current assignee: CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-11-27
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a PP module easy to clean and maintain for building a sponge city, which is characterized in that a support bar and a first back-flushing hole are arranged on a side plate of the PP module, and a support column and a second back-flushing hole are arranged inside the PP module, so that dirt and sundries near a water permeable hole can be effectively and thoroughly cleaned; through the optimization to the position of the shape of support bar, support column, furthest has avoided the hole of permeating water to go out the accumulation of dirty debris.

Description

PP module easy to clean and maintain and used for building sponge city

Technical Field

The utility model belongs to the technical field of the sponge city, especially be used for building the easy PP module that washs and maintains in sponge city.

Background

The PP (polypropylene) module is a rainwater facility which can store and discharge water and is newly appeared in recent years, and is widely applied to the rainwater collection and regulation link of sponge city construction. The PP module has the excellent characteristics of no precipitate after water immersion, no peculiar smell, high temperature resistance of-30-120 ℃, strong acid and strong alkali resistance, no influence of soil microorganisms, seaweed, bacteria, asphalt and the like. When in use, the PP module is generally buried under the ground surface or the roof and is placed in the reservoir to be spliced into a cuboid structure. Rainwater permeating from the ground surface or the roof passes through the outer wall of the PP module and flows into the PP module for storage, and impurities in the rainwater are intercepted outside by the water permeable holes in the outer wall of the PP module to play a certain filtering role. However, the accumulation of these impurities easily blocks the water permeable holes, and seriously affects the water storage function of the PP module. Therefore, in the prior art, the back washing system device is usually used for washing the outer wall of the PP module, so that the long-term use of the PP module is ensured.

In the prior art, for example, granted patent CN206784571U provides a column-shaped assembled polypropylene module for collecting rainwater, in which a plurality of connecting upright posts are arranged in the module and are assembled in an up-and-down manner, and a bottom plate of the PP module is reserved with a plug-in hole for a back-flushing water pipe for correspondingly plugging in the back-flushing water pipe and connecting an external pressure pump, so as to perform back-flushing by injecting water into the module. In the back washing process, because the side wall has dead corners and the back washing water pipe is positioned in the PP module, the back washing water pipe is blocked by the outer wall of the PP module during back washing, so that the back washing water flow has low washing force on sundries blocked on the outer wall of the PP module, and the washing effect is influenced.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a PP module that is used for building easy washing of sponge city and maintains realizes through following technical scheme.

The PP module comprises a top plate, a bottom plate and 4 side plates surrounding the top plate and the bottom plate, wherein water permeable holes are formed in the top plate and the bottom plate, a plurality of hollow support bars are vertically and uniformly embedded in the side plates, a plurality of rows of the water permeable holes are formed between every two adjacent support bars according to a matrix arrangement, the outer sides of the support bars are respectively convexly arranged relative to the plane of the side plates and the water permeable holes, and a plurality of first backwashing holes are uniformly formed in the outer side surfaces of the support bars;

a plurality of first supporting columns and second supporting columns are arranged between the top plate and the bottom plate, the second supporting columns are of hollow structures and are close to the side plates, a plurality of second backwashing holes are formed in one sides, facing the side plates, of the second supporting columns, and the second backwashing holes face the water permeable holes; the supporting bars and the second supporting columns are communicated through water pipes at the tops, and the tail ends of the water pipes are connected with a back washing pump.

Above-mentioned PP module has mainly improved its curb plate and support column, and its concrete theory of operation is: the top plate, the bottom plate and the 4 side plates are spliced to form a cuboid, the splicing mode can adopt any mode such as buckle clamping or screw tightening, and the granted patent CN206784571U also provides a splicing mode; the device is placed underground or below a roof, and a plurality of soil layers for collecting rainwater or other sewage are covered above the PP module; the collected rainwater seeps downwards and flows into the PP module through the water permeable holes, and impurities and dirt in the water are intercepted outside the PP module; after long-time placement, sundries trapped outside the PP module are increased continuously, and water permeable holes can be blocked to influence water storage; at this time, the back washing pump is started, the back washing pump pumps an external water source (such as tap water) or directly pumps water stored in the PP module, then the water is pressed into the supporting bar and the second supporting column under certain pressure and is sprayed out from the first back washing holes on the supporting bar and the second back washing holes on the second supporting column at a high flow rate, and finally dirt and impurities blocked near the water permeable holes are washed away.

The water spray direction of the first backwashing holes on the supporting bars is different, common water spray directions comprise 3 directions which are parallel to a side plate plane, inclined to the side plate plane and vertical to the side plate plane, the first backwashing holes which are parallel to the side plate plane realize the flushing of the areas near the water permeable holes between the adjacent supporting bars, and the first backwashing holes which are inclined to the side plate plane and vertical to the side plate plane realize the flushing of the areas outside the water permeable holes together. The second backwashing holes of the second supporting columns are used for spraying water flow from the interior of the PP module to the exterior of the water permeable holes, and the backwashing effect is further improved.

Preferably, the cross section of the supporting bar is a diamond, and any diagonal line of the diamond is positioned on the plane of the side plate. The cross section of the supporting bar is set to be in the shape and the position, namely the cross sections of the inner side and the outer side of the supporting bar (namely the shapes of the inner side surface and the outer side surface of the supporting bar which are raised relative to the inner plane and the outer plane of the side plate) are limited to be in a conical surface shape < '> instead of a conventional frame shape [', so that the accumulation and detention of dirt and sundries at the joint of the supporting bar and the water permeable hole can be reduced to the maximum extent, and dead angles are avoided.

Preferably, the cross section of the supporting strip is in a shape formed by splicing 2 arcs. The cross section of the supporting bar is set to the shape and the position, namely, the cross sections of the inner side and the outer side of the supporting bar (namely, the shape of the inner side and the outer side of the supporting bar which are raised relative to the inner plane and the outer plane of the side plate) are limited to be circular arc shape, so that the accumulation and detention of the dirt and sundries near the joint of the supporting bar and the permeable hole can be reduced to the maximum extent, and the dead angle is avoided.

Preferably, the cross section of the side plate between every two adjacent 2 water permeable holes is in a diamond shape, and any diagonal line of the diamond shape is positioned on the plane of the side plate. Adjacent 2 the hole of permeating water is connected for rhombus's rectangular through a cross-section, and is similar with the position of the cross-sectional shape of support bar, can furthest reduce the accumulational detention of dirty debris between the adjacent hole of permeating water, avoids the dead angle.

Preferably, the cross-section of the side plate between the adjacent 2 water permeable holes is in a shape formed by splicing 2 arcs, and the 2 arcs are symmetrical with the plane of the side plate. Adjacent 2 the hole of permeating water is through a rectangular connection, and the cross-section is similar for circular or oval, and is similar with the position of the cross-sectional shape of support bar, and its effect is the same in order to furthest reduce the accumulational detention of dirty debris between adjacent hole of permeating water, avoids the dead angle.

Preferably, the number of rows of the water permeable holes between every two adjacent 2 support strips does not exceed 3 rows. Adjacent 2 the hole of permeating water between the support bar generally does not exceed 3 and is listed as, avoid adjacent 2 the support bar is apart from overlength, leads to the water current velocity of flow that sprays from the first back flush hole of support bar not to cover so big area.

More preferably, the back washing pump is connected with an external water source through the water pipe or is communicated with the interior of the PP module. The water pumped by the back washing pump can be tap water from an external water source or rainwater stored in the PP module.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the supporting strips and the first backwashing holes are arranged on the side plates of the PP module, and the supporting columns and the second backwashing holes are arranged in the PP module, so that dirt and impurities near the water permeable holes can be effectively and thoroughly cleaned;

2. through the optimization to the position of the shape of support bar, support column, furthest has avoided the hole of permeating water to go out the accumulation of dirty debris.

Drawings

FIG. 1 is a front view of a side plate of a PP module according to embodiment 1;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is a front view of the top plate, the bottom plate, the first support column and the second support column of the PP module according to embodiment 1;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 6 is a front view of a side plate of the PP module according to embodiment 2;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 5;

FIG. 8 is a cross-sectional view taken along line E-E of FIG. 5;

FIG. 9 is a front view of a side plate of the PP module according to embodiment 3;

FIG. 10 is a cross-sectional view taken in the direction F-F of FIG. 5;

FIG. 11 is a sectional view taken along the line G-G of FIG. 5;

in the figure: 1. a top plate; 2. a base plate; 3. a side plate; 4. water permeable holes; 5. a supporting strip; 6. a first backwash hole; 7. a first support column; 8. a second support column; 9. a second backwash hole; 10. a water pipe; 11. and (4) backwashing the pump.

Detailed Description

The technical solutions of the embodiments in this patent will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of this patent. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the patent without making creative efforts, shall fall within the protection scope of the patent.

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the patent and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of this patent, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The patent is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in fig. 1-4, the PP module easy to clean and maintain for building a sponge city provided in this embodiment includes a top plate 1, a

bottom plate

2, and 4 side plates 3 surrounding the top plate 1 and the bottom plate 2, the top plate 1, the bottom plate 2, and the side plates 3 are all provided with water permeable holes 4, a plurality of hollow support bars 5 are vertically and uniformly embedded in the

side plates

3, 2 rows of the water permeable holes 4 are arranged between every two adjacent support bars 5 according to a matrix arrangement, the outer sides of the support bars 5 are respectively protruded relative to the plane of the side plates 3 and the water permeable holes 4, and the water permeable holes 4 between every two adjacent 2 support bars 5 are arranged into 2 rows according to a matrix arrangement; a plurality of first backwashing holes 6 are uniformly formed in the outer side surface of the supporting bar 5;

a plurality of first supporting columns 7 and a plurality of second supporting columns 8 are arranged between the top plate 1 and the bottom plate 2, the shapes of the first supporting columns 7 and the second supporting columns 8 are the same, the second supporting columns 8 are of hollow structures, the second supporting columns 8 are close to the side plates 3, a plurality of second backwashing holes 9 are formed in one sides, facing the side plates 3, of the second supporting columns 8, and the second backwashing holes 9 are long-strip-shaped and face the water permeable holes 4; the support bar 5 with the second support column 8 is through water pipe 10 intercommunication at the top, water pipe 10 end connection backwash pump 11, backwash pump 11 passes through water pipe 10 connects external water source.

The PP module of this embodiment is mainly improved its curb plate and support column (first support column and second support column), and its specific theory of operation does: splicing a top plate 1, a

bottom plate

2 and 4 side plates 3 to form a cuboid, placing the cuboid underground or below a roof, and covering a plurality of soil layers for collecting rainwater or other sewage above a PP module; the collected rainwater seeps downwards and flows into the PP module through the water permeable holes, and impurities and dirt in the water are intercepted outside the PP module; after long-time placement, sundries trapped outside the PP module are increased continuously, and the water permeable holes 4 are blocked to influence water storage; at this time, the backwash pump 11 is activated, and the backwash pump 11 pumps an external water source (for example, tap water), presses water into the support bar 5 and the second support column 8 under a certain pressure, and sprays out from the first backwash holes 6 of the support bar 5 and the second backwash holes 9 of the second support column 8 at a high flow rate, and finally washes away the dirt and debris clogged in the vicinity of the water permeable hole 4.

The water spray direction of first back-flushing hole 6 on support bar 5 is different, and is common including being on a parallel with 3 planes of curb plate, slope in 3 planes of curb plate, 3 directions in the 3 planes of perpendicular to curb plate, and the washing of the near region of the hole 4 of permeating water between the adjacent support bar 5 has been realized to the first back-flushing hole 6 that is on a parallel with 3 planes of curb plate, and the washing of the regional outside of the hole 4 of permeating water has been realized jointly to the first back-flushing hole 6 that is on a parallel with 3 planes of curb plate and perpendicular to curb plate. The second backwashing holes 9 of the second supporting columns 8 are used for spraying water flow from the interior of the PP module to the exterior of the water permeable holes 4, so that the backwashing effect is further improved.

Example 2

As shown in fig. 5 to 7, the PP module easy to clean and maintain for constructing a sponge city provided in this embodiment is substantially the same as that of embodiment 1, except that:

1. the cross section of the support bar 5 is rhombic, and any diagonal line of the rhombus is positioned on the plane of the side plate 3. The cross section of the supporting bar 5 is set to the shape and the position, namely the cross sections of the inner side and the outer side of the supporting bar 5 (namely the shape that the inner side and the outer side of the supporting bar 5 are raised relative to the inner plane and the outer plane of the side plate 3) are conical surfaces "<" instead of the frame shape "[" of the embodiment 1, so that the accumulation and detention of dirt and sundries at the joint of the supporting bar 5 and the water permeable hole 4 can be reduced to the maximum extent, and dead angles are avoided;

2. adjacent 2 the curb plate cross-section between the hole 4 of permeating water is the rhombus, and any diagonal of rhombus is located the plane of curb plate 3. Adjacent 2 the hole 4 of permeating water is connected for rhombus's rectangular through a cross-section, and is similar with the position of the cross-sectional shape of support bar 5, can furthest reduce the accumulational detention of dirty debris between adjacent hole 4 of permeating water, avoids the dead angle.

Example 3

As shown in fig. 8 to 10, the PP module for easy cleaning and maintenance in construction of a sponge city provided in this embodiment is substantially the same as in embodiment 1, except that:

1. the cross section of the support bar 5 is circular formed by splicing 2 circular arcs, and the 2 circular arcs are symmetrical to the plane of the side plate 3. The cross sections of the supporting bars 5 are set to the shape and the position, that is, the cross sections of the inner and outer sides of the supporting bars 5 (i.e. the shape of the inner and outer side surfaces of the supporting bars 5 protruding relative to the inner and outer planes of the side plates 3) are all circular arc-shaped, rather than the frame shape "[" of the embodiment 1, so that the accumulation and detention of the dirt and sundries at the connection part of the supporting bars 5 and the permeable holes 4 can be reduced to the maximum extent, and dead angles are avoided;

2. the cross section of the side plate between the adjacent 2 water permeable holes 4 is circular formed by splicing 2 circular arcs, and the 2 circular arcs are symmetrical with the plane of the side plate 3. Adjacent 2 the hole 4 of permeating water is through a rectangular connection, and rectangular cross-section is circular, and is similar with the position of the cross sectional shape of support bar 5, and its effect is the same in order to furthest reduce the accumulational detention of dirty debris between adjacent hole 4 of permeating water, avoids the dead angle.

The above embodiments describe the implementation of the present invention in detail, however, the present invention is not limited to the specific details of the above embodiments. Within the scope of the claims and the technical idea of the present invention, various simple modifications and changes can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

Claims

1. The PP module comprises a top plate, a bottom plate and 4 side plates surrounding the top plate and the bottom plate, wherein water permeable holes are formed in the top plate, the bottom plate and the side plates;

2. The PP module for easy cleaning and maintenance for building a sponge city according to claim 1, wherein the cross section of the supporting bars is diamond-shaped, and any one diagonal line of the diamond-shape is located on the plane of the side plate.

3. The PP module for easy cleaning and maintenance for building a sponge city according to claim 1, wherein the cross section of the supporting strip is in a shape formed by splicing 2 arcs.

4. The PP module for easy washing and maintenance in construction of a sponge city according to claim 1, wherein the section of the side plate between the adjacent 2 water permeable holes is diamond-shaped, and any diagonal line of the diamond-shape is located on the plane of the side plate.

5. The PP module for easy cleaning and maintenance in construction of a sponge city as claimed in claim 1, wherein a section of the side plate between the adjacent 2 water permeable holes is in a shape formed by splicing 2 arcs, and the 2 arcs are symmetrical with a plane of the side plate.

6. The PP module for easy washing and maintenance in construction of a sponge city as claimed in claim 1, wherein the number of rows of water permeable holes between adjacent 2 of the support bars is not more than 3.

7. The PP module for easy cleaning and maintenance in the construction of a sponge city according to any one of claims 1 to 6, wherein the backwash pump is connected to an external water source through the water pipe or is in communication with the interior of the PP module.