CN112840998A - Urban group greenbelt ecological conservation water saving fixtures - Google Patents
Urban group greenbelt ecological conservation water saving fixtures Download PDFInfo
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- CN112840998A CN112840998A CN202110211033.0A CN202110211033A CN112840998A CN 112840998 A CN112840998 A CN 112840998A CN 202110211033 A CN202110211033 A CN 202110211033A CN 112840998 A CN112840998 A CN 112840998A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The invention relates to an urban group greenbelt ecological conservation water-saving device, which comprises a cylindrical shell with a regular hexagon integral section, wherein an infiltration irrigation unit is arranged at the upper part of the cylindrical shell, a first water storage unit is arranged at the center of the infiltration irrigation unit, and at least one second water storage unit which is sequentially communicated with the first water storage unit is arranged at the lower part of the first water storage unit; the urban group green land ecological conservation water-saving device also comprises a first water delivery pipe network communicated with the first water storage unit, a second water delivery pipe network communicated with the second water storage unit and a third water delivery pipe network arranged in the infiltrating irrigation unit. The invention collects and stores irrigation water, precipitation and the like, slowly releases the water when the green land needs water, obviously shortens the irrigation time and frequency, achieves the aims of efficiently utilizing the rainwater, reducing the rainwater runoff, effectively increasing the groundwater supply and saving the water resource, and fully plays an important role in the construction of the urban green land in the sponge city.
Description
Technical Field
The invention relates to the fields of garden maintenance, rainwater collection and utilization, sponge city construction and the like, in particular to an urban group greenbelt ecological conservation water-saving device.
Background
With the acceleration of the urbanization process, the urban green land is taken as an important green infrastructure, and has important ecological functions in the aspects of improving the urban ecological environment quality, lightening the urban heat island effect, regulating and storing rain flood, regulating urban ecological balance and the like.
The conventional greenbelt roots are shallow, the required water is mainly obtained through surface irrigation, and the typical water consumption of the lawn grass per day is 2.5-7.5 mm and the maximum value is 12 mm under the general maintenance condition. Lawn irrigation water has become an important approach for water use in many urban landscape facilities. The water becomes a main environmental factor which restricts the lawn forming, the growth and the color maintenance of the lawn, the natural water resource quantity is limited, the space-time distribution is extremely uneven, and the like, the planting of the lawn in the green area is greatly limited, and the maintenance difficulty is increased. And the water in the soil is saturated in the conventional green land during rainfall or irrigation, and then the soil is infiltrated or drained, so that the waste of water resources is further aggravated.
On one hand, the water consumption is large in the current urban green land maintenance, the irrigation frequency is high, the maintenance cost is high, and the water resource waste is serious. On the other hand, 66% of rainfall in the city all year around is concentrated in 6-9 months and 4 months, the rainfall is frequent and large during the period, and most of rainfall is too late to infiltrate to form surface runoff discharge, so that waste of water resources is caused. The rainwater utilization of urban green lands is extremely important, the waterlogging can be effectively prevented and treated, the surface runoff is purified, the non-point source pollution is reduced, the underground water can be conserved, the urban green lands are close to the original natural ecosystem, and the urban green lands and the nature can be better combined.
For the established greenbelts, if the water-saving performance of the greenbelts is reconstructed, the greenbelts need to be completely re-paved, the amount of engineering is huge, and the cost is high, so that how to solve the problem of water-saving maintenance of the greenbelts is one of the important contents for developing conservation-minded cities at present.
Disclosure of Invention
The invention aims to provide an urban group greenbelt ecological conservation water-saving device which can obviously shorten the irrigation time and frequency, reduce the irrigation water consumption and solve the problems of large water consumption, resource waste, high maintenance frequency, high maintenance cost and the like of the conventional greenbelt irrigation.
In order to achieve the aim, the invention provides an urban group green land ecological conservation water-saving device which comprises a cylindrical shell with a regular hexagon overall section, wherein an infiltration irrigation unit is arranged at the upper part of the cylindrical shell, a first water storage unit is arranged at the center of the infiltration unit, and at least one second water storage unit which is sequentially communicated with the first water storage unit is arranged at the lower part of the first water storage unit; the urban group green land ecological conservation water-saving device also comprises a first water delivery pipe network communicated with the first water storage unit, a second water delivery pipe network communicated with the second water storage unit and a third water delivery pipe network arranged in the infiltrating irrigation unit;
the first water delivery pipe network comprises first vertical pipes which are vertically arranged on the inner wall of the periphery of the first water storage unit at intervals in a surrounding mode and first transverse pipes which are radially distributed in the inner side partition of the infiltration irrigation unit, the bottoms of the first vertical pipes are communicated with the bottom of the inner cavity of the first water storage unit, and the first transverse pipes are communicated with the first vertical pipes;
the second water delivery pipe network comprises a second transverse pipe and a second vertical pipe which are communicated with each other in a warp-weft staggered manner, the second transverse pipe is a multi-layer and multi-circle circular pipeline arranged in the second water storage unit, the second vertical pipes are arranged perpendicular to the second transverse pipe and communicated with the bottom of an inner cavity of the second transverse pipe, and the second transverse pipe is communicated with the upper adjacent water storage unit through the second vertical pipe;
the third water pipe network comprises a third transverse pipe extending from the inner side of the infiltrating irrigation unit to the outer side, and the third transverse pipe is an open pipe with a downward opening.
Preferably, the filtration irrigation unit comprises an outer layer and an inner layer, the outer side outline of the outer layer is a regular hexagon, the vertex angle part of the outer layer protrudes outwards, the geometric center of the regular hexagon is used as a circle center of the inner layer of the hollow cylinder, the filtration irrigation unit is divided into six radiation irrigation areas by taking a perpendicular line from the geometric center of the cross section to each side of the regular hexagon as a boundary, a grid is arranged between every two adjacent radiation irrigation areas, the filtration irrigation unit is sequentially provided with a ventilation and water retention slow release layer, a moisture channel layer and a wind-blown sand filling layer from inside to outside, and grids are arranged between the ventilation and water retention slow release layer and the moisture channel layer as well as between the moisture channel layer and the wind-blown sand;
the first water storage unit comprises a guide column cluster arranged in the center of the infiltrating irrigation unit, a bracket for fixing the bottom of the guide column cluster, two semicircular cover plates arranged on the lower side of the guide column cluster in a split mode, and a first horn-shaped bulge arranged in the center of the bottom, wherein a plurality of openings are formed in the top end of the first horn-shaped bulge;
the bottom center of the second water storage unit is provided with a second horn-shaped bulge, and except for the bottommost second horn-shaped bulge, the top ends of all other second horn-shaped bulges are provided with a plurality of holes.
Preferably, the vertex angle part of the outer layer protrudes outwards by 1-1.5 cm, and the vertical distance of the hexagonal right side of the outer layer is 5-6 cm; the outer contour of the protruding part of the outer layer is of a rugged structure, and is provided with open pores with the porosity of 65-85%; the diameter of the inner layer is 1 cm; the height of the filtration irrigation unit is 10-15 cm.
Preferably, the ventilating water-retaining slow-release layer is formed by mixing and laying aeolian sand, semi-decomposed sawdust and water-absorbing fibers in a volume ratio of 5:4: 1; the moisture channel layer is formed by laying aeolian sand and bamboo fiber strong water absorption non-woven fabrics in a volume ratio of 7: 3; the aeolian sand filling layer is formed by filling and laying aeolian sand; the bamboo fiber strong water absorption non-woven fabric is in a thin strip shape with the width of 0.2-0.5 cm, and is uniformly laid along the center and the periphery in a radial mode.
Preferably, the top and the bottom of the filtration irrigation unit are both of a closed structure, the top of the filtration irrigation unit is provided with a cover plate, and the cover plate is of a concave structure which inclines from the periphery to the center in the horizontal direction.
Preferably, the diversion column cluster is a columnar body with the average diameter of 0.5-1.5 mm, the diameter of the top of the columnar body is 0.5mm, and the diameter of the top of the columnar body gradually increases to 1.5mm downwards; the guide column cluster is formed by densely arranging a plurality of guide columns with the length of 1-1.5 cm, and the distance between every two adjacent guide columns is 2.5-5 mm; the middle of the guide column cluster is low and the periphery of the guide column cluster is high, and the average height of the guide column cluster is flush with the top of the infiltrating irrigation unit;
the horn-shaped protrusion is arranged at the position 1-2 cm below the cover plate; the width of the top end of the horn-shaped bulge is 0.3-0.5 cm, and the bottom end of the horn-shaped bulge and the bottom end of the first water storage unit are integrated;
the height of second water storage unit is 5cm, the protruding height of second loudspeaker form is 4 ~ 4.5cm, protruding bottom of second loudspeaker form and second water storage unit bottom are as an organic whole.
Preferably, the first vertical pipe comprises a first water conveying pipe and a second water conveying pipe which are arranged at intervals; the pipe diameter of the first water conveying pipe is 5-10 mm, and the length of the first water conveying pipe is 1-2 cm lower than that of the first water storage unit; the pipe diameter of the second water conveying pipe is 1-3 mm, and grooves with the width and the depth of 0.1-0.3 mm are densely formed in the inner wall of the second water conveying pipe along the extension direction of the pipe;
the pipe diameter of the first transverse pipe is 0.5-1 mm, 1-3 transverse pipes are arranged in the vertical direction every 5-8 mm, and the length of each transverse pipe is 3-5 mm; the first transverse pipe is horizontally inclined towards the lower part of the outer side by 5-8 degrees.
Preferably, the second transverse pipe is arranged around the second horn-shaped bulge, the pipe diameter of the second transverse pipe is 3-5 mm, and the interval between adjacent circles of circular pipelines in each layer is 3-5 mm; the second transverse pipes are arranged at a position 5-8 mm away from the bottom of the second water storage unit, and a layer of second transverse pipes is arranged upwards every 6-10 mm;
the pipe diameter of the second vertical pipes is 0.5-1 mm, each circle of second horizontal pipes are arranged with one second vertical pipe at intervals of 3-5 mm, and the second vertical pipes on different layers are arranged in a staggered mode.
Preferably, the third horizontal pipe is horizontally inclined by 5-8 degrees towards the lower part of the outer side, grooves with the width and the depth of 0.1-0.3 mm are densely arranged on the inner wall of the third horizontal pipe along the extension direction of the pipe, and the diameter of a gap in the third horizontal pipe is 0.5-1.2 mm.
Based on the technical scheme, the invention has the advantages that:
the urban group greenbelt ecological conservation water-saving device collects and stores irrigation water, rainfall and the like, slowly releases the collected and stored water when the greenbelt needs water, obviously shortens irrigation time and frequency, reduces irrigation water consumption, and solves the problems of large water consumption, resource waste, high maintenance frequency, high maintenance cost and the like of the conventional greenbelt irrigation.
The urban group greenbelt ecological conservation water-saving device can achieve the purposes of efficiently utilizing rainwater, reducing rainwater runoff, effectively increasing groundwater supply and saving water resources by arranging the water-saving irrigation device in the greenbelt under the condition of not modifying the ground and underground structure of the original greenbelt, fully plays the important role of the urban greenbelt in sponge city construction, can be arranged when the lawn is initially constructed, can also be directly applied to the already-formed lawn and is a greenbelt water-saving modification method worthy of popularization.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a vertical sectional view of an urban group green land ecological conservation water-saving device;
fig. 2 is a horizontal sectional view of the urban group green land ecological conservation water-saving device.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
The invention provides an urban group greenbelt ecological conservation water-saving device which is characterized in that irrigation water, rainfall and the like are collected and stored, and are slowly released when the greenbelt needs water, so that the irrigation time and frequency are obviously shortened, and the irrigation water consumption is reduced. As shown in fig. 1 and 2, a preferred embodiment of the present invention is shown.
Specifically, the urban group green land ecological conservation water-saving device comprises a cylindrical shell with a regular hexagon-shaped overall section, wherein an infiltrating irrigation unit 1 is arranged at the upper part of the cylindrical shell, a first water storage unit 2 is arranged at the center of the infiltrating irrigation unit 1, and at least one second water storage unit 7 sequentially communicated with the first water storage unit 2 is arranged at the lower part of the first water storage unit 2; the urban group green land ecological conservation water-saving device also comprises a first water delivery pipe network communicated with the first water storage unit 2, a second water delivery pipe network communicated with the second water storage unit 7 and a third water delivery pipe network arranged in the infiltrating irrigation unit 1.
The first water delivery pipe network comprises first vertical pipes which are vertically arranged on the inner wall of the periphery of the first water storage unit 2 at intervals in a surrounding mode and first transverse pipes which are radially distributed in the inner side subarea of the infiltration irrigation unit 1, the bottoms of the first vertical pipes are communicated with the bottom of the inner cavity of the first water storage unit 2, and the first transverse pipes are communicated with the first vertical pipes; the second water delivery pipe network comprises a second transverse pipe and a second vertical pipe which are communicated with each other in a warp-weft staggered manner, the second transverse pipe is a multi-layer and multi-circle circular pipeline arranged in the second water storage unit 7, the second vertical pipes are arranged perpendicular to the second transverse pipe and communicated with the bottom of an inner cavity of the second transverse pipe, and the second transverse pipe is communicated with the first water storage unit 2 or the second water storage unit 7 adjacent to the upper part through the second vertical pipe; the third water pipe network comprises a third transverse pipe extending from the inner side of the infiltrating irrigation unit 1 to the outer side, and the third transverse pipe is an open pipe with a downward opening.
As shown in fig. 1 and 2, infiltration irrigation unit 1 includes that the outside profile is regular hexagon and apical angle portion outwards outstanding skin and regular hexagon geometric center are the hollow cylinder's of centre of a circle inlayer, infiltration irrigation unit 1 uses the geometric center of cross section to divide into six radiation irrigation districts 3 as the boundary line on each side of regular hexagon, is provided with the grid between every adjacent radiation irrigation district 3, infiltration irrigation unit 1 is equipped with in proper order from inside to outside and ventilates water slowly-releasing layer 4, moisture passageway layer 5, aeolian sand filling layer 6, ventilate water slowly-releasing layer 4 and moisture passageway layer 5 all is equipped with the grid between moisture passageway layer 5 and the aeolian sand filling layer 6.
The first water storage unit 2 comprises a guide column cluster 8 arranged at the center of the infiltrating irrigation unit 1, a support for fixing the bottom of the guide column cluster 8, two semicircular cover plates arranged on the lower side of the guide column cluster 8 in a split mode, and a first horn-shaped bulge 9 arranged at the center of the bottom, wherein a plurality of holes are formed in the top end of the first horn-shaped bulge 9. The bottom center of the second water storage unit 7 is provided with a second horn-shaped protrusion 10, and except for the second horn-shaped protrusion 10 at the bottommost part, the top ends of all other second horn-shaped protrusions 10 are provided with a plurality of holes.
The main structure of the device is a cylindrical body with a cross section of a regular hexagon. The vertical distance of the right edge of the regular hexagon of the cylindrical shell is 5-6 cm, and the depth of the cylindrical shell is 15-35 cm. The height is set according to the root depth of the lawn, generally speaking, the initially built lawn can be set to be about 15-20 cm, and the already-built lawn can be set to be 20-35 cm according to the requirement. The device is made of materials with water logging resistance, corrosion resistance, strong pressure resistance and light self weight, such as alloy, polymer resin materials and the like.
The infiltrating irrigation unit 1 is located at the top end of the device, the outer side outline of the system protrudes outwards by 1-1.5 cm at the top corner of the regular hexagon outline of the whole device, the vertical distance of the opposite sides of the hexagon is 5-6 cm, the inner side outline of the system is a circle taking the geometric center of the regular hexagon as the center of the circle, and the diameter of the inner side outline of the system is 1 cm. The height of the infiltrating irrigation unit 1 is 10-15 cm, the height is determined according to the main growth interval of the root system of the vegetation, if the infiltrating irrigation system applied to the constructed lawn is higher in height, if the infiltrating irrigation system is applied to the initially constructed lawn, lower height can be selected, and if the infiltrating irrigation system is applied to the vegetation area with shallower root system distribution, lower height can be selected.
Furthermore, the filtration irrigation unit 1 is divided into six areas by taking the perpendicular line from the geometric center of the cross section to each side of the hexagon as a boundary, a grating is arranged in front of each area adjacent to each area, the aperture of each grating is 1-1.5 mm, and each area corresponds to one radiation irrigation area 3 facing the outer side of the device.
As shown in FIG. 2, two concentric circles are drawn from the geometric center of the cross section, namely the geometric center of the hexagon to the outside, the diameters of the two concentric circles are 1.8-2 cm and 2.5-2.8 cm respectively, and each subarea is divided into 3 layers from the center to the outside by the two concentric circles. A grating is arranged between every two layers, and the aperture of the grating is 2-3 mm. Different fillers are respectively filled in each layer from inside to outside, and the ventilating and water-retaining slow-release layer 4 is a mixture of aeolian sand, semi-decomposed sawdust and water-absorbing fibers, and the volume ratio of the aeolian sand to the semi-decomposed sawdust to the water-absorbing fibers is 5:4: 1; the moisture channel layer 5 is filled with a mixture of aeolian sand and bamboo fiber strong water absorption non-woven fabrics, and the volume ratio of the aeolian sand to the bamboo fiber strong water absorption non-woven fabrics is 7: 3; the bamboo fiber strong water absorption non-woven fabric is in a thin strip shape with the width of 0.2-0.5 cm, is uniformly paved in the area in a radial mode from the center to the periphery, and the outer layer is divided into the aeolian sand filling layer.
The aeolian sand has little powder clay content, low surface activity, looseness and no aggregation; the surface of the sand particles has almost no physical adsorption effect on water, the maximum water absorption rate is less than 1%, the particles can keep the properties of the original skeleton structure after meeting water, the sand water stability is good, and the characteristics of the aeolian sand can enable the three-layer structure to form a stable and efficient waterway channel through aeolian of different volume proportions. The mixture of the semi-decomposed sawdust and the water-absorbing fiber on the inner side has good ventilation and water retention effects, and can be used as a slow release fertilizer to provide a certain amount of organic matter nutrient substances for the green plants along with irrigation water. The porous structure of the bamboo fiber forms a good water delivery channel, and the transportation of water is accelerated. The system can not only convey water from the central water storage system to the outside irrigation area, but also convey water from the outside irrigation area to the system for storage during rainfall or irrigation, and the structure can achieve the purpose of bidirectional water conveyance.
And the outermost side infiltrating irrigation unit 1, namely the top corner part of the outer contour, protrudes outwards, and the top corner part of the outer layer protrudes outwards by 1-1.5 cm. With above-mentioned outer subregion structure as an organic whole, the filler is aeolian sand, and the outside profile is uneven structure, and is provided with the porosity and be 65 ~ 85% trompil, and the above setting can effectively prevent to irrigate district soil layer granule and block up the trompil, increases area of contact simultaneously, effectively absorbs water. Preferably, the top and the bottom of the filtration irrigation unit 1 are both of a closed structure, the top of the filtration irrigation unit 1 is provided with a cover plate, and the cover plate is of a concave structure which inclines from the periphery to the center in the horizontal direction and can be used as a rainwater collecting device to store water in a central water storage system.
As shown in fig. 1, a first water storage unit 2 is disposed in the center of the infiltrating irrigation unit 1, and at least one second water storage unit 7 sequentially communicated with the first water storage unit 2 is disposed at the lower part of the first water storage unit 2.
Specifically, the first water storage unit 2 is located inside the filtration irrigation unit 1, i.e. the concentric cylinder part, and the height is consistent with that of the filtration irrigation unit 1. The top of the flow guide column cluster 8 is vertical to the horizontal line, the flow guide column cluster 8 is a columnar body with the average diameter of 0.5-1.5 mm, the diameter of the top of the columnar body is 0.5mm, and the diameter of the top of the columnar body gradually increases to 1.5mm downwards; the guide column cluster 8 is formed by densely arranging a plurality of guide columns with the length of 1-1.5 cm, and the distance between every two adjacent guide columns is 2.5-5 mm. The heights of the tops of the water storage system are arranged irregularly, the basic height trend is that the middle is low and the periphery is high, and the average height is flush with the top of the water storage system. The bottom end of the guide column is fixed through the horizontal support, the surface tension of water can be destroyed by the guide column structure on one hand, and the guide is accelerated, and on the other hand, sundries such as leaves and weeds can be intercepted by the guide column cluster to enter the water storage system.
Two semicircular cover plates with the middle part opened in half are arranged below the diversion column cluster 8, the surfaces of the cover plates are water-proof coatings and can be kept dry, the cover plates are in a closed state under general conditions, evaporation loss of water in a water storage system is reduced, and when water drips onto the cover plates from the top, the cover plates are opened under the action of gravity.
The center of the bottom of the first water storage unit 2 is provided with a horn-shaped bulge 9 which is an overflow channel of the infiltrating irrigation unit 1, the curve of the bulge is smooth, the center is the highest point, and the horn-shaped bulge 9 is arranged at the position 1-2 cm below the cover plate; the width of the top end of the horn-shaped bulge 9 is 0.3-0.5 cm, and the bottom end of the horn-shaped bulge 9 and the bottom end of the first water storage unit 2 are integrated; the height of the second water storage unit 7 is 5cm, the height of the second horn-shaped bulge is 4-4.5 cm, and the bottom end of the second horn-shaped bulge 10 is integrated with the bottom end of the second water storage unit 7.
The second water storage unit 7 is positioned below the infiltrating irrigation unit 1 and the first water storage unit 2, and the height is 5 cm. The center of the bottom of the system is a horn-shaped bulge, the curve of the bulge part is smooth, the center is the highest point, the height is about 4-4.5 cm, a plurality of holes are formed in the top end of the bulge, and when the water level in the second water storage unit 7 rises to the holes, water is reserved from the holes to the lower second water storage unit 7. The invention can be used for continuously arranging more second water storage units 7 below according to the rainfall and irrigation quantity requirements of the green land. The number of the remaining lower second water storage units 7 excluding the first water storage unit 2 is preferably not more than 4.
The first water pipe network comprises first vertical pipes which are vertically arranged on the inner wall of the periphery of the first water storage unit 2 at intervals in a surrounding mode and first transverse pipes which are radially distributed in the inner side subarea of the infiltration irrigation unit 1, the bottoms of the first vertical pipes are communicated with the bottom of the inner cavity of the first water storage unit 2, and the first transverse pipes are communicated with the first vertical pipes.
Preferably, the first vertical pipe comprises a first water conveying pipe and a second water conveying pipe which are arranged at intervals; the pipe diameter of the first water conveying pipe is 5-10 mm, the length of the first water conveying pipe is 1-2 cm lower than that of the first water storage unit 2, the water level of the water conveying pipe is equal to that of a water storage system, and when the water level is high, water conveying is mainly carried out by the water pipe. The pipe diameter of the second water conveying pipe is 1-3 mm, grooves with the width and the depth of 0.1-0.3 mm are densely formed in the inner wall of the second water conveying pipe along the extension direction of the pipe, and the water conveying pipes can convey water upwards through capillary action. The pipe diameter of the first transverse pipe is 0.5-1 mm, 1-3 transverse pipes are arranged in the vertical direction every 5-8 mm, and the length of each transverse pipe is 3-5 mm; the horizontal pipes are in the horizontal direction and are radially scattered in the inner side subarea of the infiltrating irrigation unit 1, the first horizontal pipes are horizontally arranged to incline for 5-8 degrees towards the lower part of the outer side, and the number of the first horizontal pipes is increased along with the increase of the height.
The second raceway network includes that the crisscross second that communicates each other of longitude and latitude violently manages and the second standpipe, the second is violently managed and is set up multilayer, many circles circular pipeline in the second water storage unit 7, the second standpipe perpendicular to second is violently managed the range and is set up and with the second is violently managed the inner chamber bottom and is linked together, the second is violently managed and is linked together through second standpipe and the adjacent first water storage unit 2 in upper portion or second water storage unit 7.
Specifically, the second transverse pipe is arranged around the second horn-shaped protrusion 10, the pipe diameter of the second transverse pipe is 3-5 mm, and the interval between adjacent circles of circular pipelines in each layer is 3-5 mm; the second transverse pipes are arranged at a position 5-8 mm away from the bottom of the second water storage unit 7, and a layer of second transverse pipes is arranged upwards every 6-10 mm; the pipe diameter of second standpipe is 0.5 ~ 1mm, and every circle of second is violently managed 3 ~ 5mm in interval and is set up a second standpipe, and every second standpipe bottom all is violently managed the inner chamber bottom with the second and is linked together, and adjacent two-layer second is violently managed about the second standpipe can UNICOM, and the second standpipe of different layers sets up for staggered arrangement.
The second transverse pipe at the uppermost layer of each second water storage unit 7 is communicated with the adjacent second water storage unit 7 at the upper layer through a second vertical pipe, and water at the lower layer is conveyed to the upper layer.
The water delivery system of the filtration irrigation unit 1 is responsible for bidirectional water delivery inside and outside the device, when the irrigation area, namely the moisture content outside the device is reduced and no outside irrigation exists, the device delivers water to the outside, and when the outside irrigation or rainfall occurs, the water delivery system can also store the moisture of the internal water delivery. Specifically, the third raceway network includes and extends to the third violently pipe in the outside by infiltration irrigation unit 1 inboard outside, the third violently pipe is the level and sets up 5 ~ 8 degrees to outside below slope to promote siphon drainage. The third is violently managed for the opening pipe that the opening is down, for open channel, the third is violently managed the inner wall and is equipped with the width and the degree of depth along the pipe extension direction is intensive and be 0.1 ~ 0.3 mm's recess, the third is violently managed the middle space diameter and is 0.5 ~ 1.2mm, can follow the pipe below and inhale water to intraductal and carry along the recess, and the setting quantity that the third was violently managed sets up according to the irrigation needs.
The urban group greenbelt ecological conservation water-saving device collects and stores irrigation water, rainfall and the like, slowly releases the collected and stored water when the greenbelt needs water, obviously shortens irrigation time and frequency, reduces irrigation water consumption, and solves the problems of large water consumption, resource waste, high maintenance frequency, high maintenance cost and the like of the conventional greenbelt irrigation.
The urban group greenbelt ecological conservation water-saving device can achieve the purposes of efficiently utilizing rainwater and saving water resources by arranging the water-saving irrigation device in the greenbelt under the condition of not modifying the ground and underground structure of the original greenbelt, can be arranged when the lawn is initially built, can also be directly applied to the lawn which has become the lawn, and is a greenbelt water-saving modification method worthy of popularization.
The working principle of the urban group green land ecological conservation water-saving device for producing the technical effect is as follows:
when green land sprinkling irrigation or rainfall is carried out, irrigation water or rainwater flows into the water storage unit through the flow guide column at the top end of the water storage unit or along the top cover plate of the infiltration irrigation unit on the one hand, and on the other hand, after moisture in external soil is saturated, moisture in soil pores is sucked into the infiltration irrigation unit through the infiltration irrigation structure. When the water level in the first water storage unit reaches the overflow port, the redundant water flows into the second water storage unit on the next layer from the overflow channel, and so on until the external water supply stops.
When the green land needs to be irrigated, water is firstly conveyed to the infiltrating irrigation unit from the first water storage unit through the water conveying system, and meanwhile, moisture is conveyed layer by layer in each layered area of the infiltrating irrigation unit until reaching the radiation irrigation area. The horizontal water conveying pipes in the infiltrating irrigation unit also convey water outwards at the same time.
Meanwhile, the lower-layer second water storage units continuously convey water upwards layer by layer through respective water conveying network systems by means of capillary action until reaching the first water storage units so as to ensure irrigation water.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an urban mass greenbelt ecological conservation water saving fixtures which characterized in that: the water storage device comprises a cylindrical shell with a regular hexagon integral section, wherein an infiltrating irrigation unit (1) is arranged at the upper part of the cylindrical shell, a first water storage unit (2) is arranged at the center of the infiltrating irrigation unit (1), and at least one second water storage unit (7) which is sequentially communicated with the first water storage unit (2) is arranged at the lower part of the first water storage unit (2); the urban group green land ecological conservation water-saving device also comprises a first water delivery pipe network communicated with the first water storage unit (2), a second water delivery pipe network communicated with the second water storage unit (7) and a third water delivery pipe network arranged in the infiltrating irrigation unit (1);
the first water delivery pipe network comprises first vertical pipes which are vertically arranged on the inner wall of the periphery of the first water storage unit (2) at intervals in a surrounding mode and first transverse pipes which are radially distributed in inner partition areas of the infiltration irrigation unit (1), the bottoms of the first vertical pipes are communicated with the bottom of an inner cavity of the first water storage unit (2), and the first transverse pipes are communicated with the first vertical pipes;
the second water delivery pipe network comprises a second transverse pipe and a second vertical pipe which are communicated with each other in a warp-weft staggered manner, the second transverse pipe is a multi-layer and multi-circle circular pipeline arranged in the second water storage unit (7), the second vertical pipes are arranged perpendicular to the second transverse pipe and communicated with the bottom of an inner cavity of the second transverse pipe, and the second transverse pipe is communicated with the first water storage unit (2) or the second water storage unit (7) adjacent to the upper part through the second vertical pipe;
the third water pipe network comprises a third transverse pipe extending from the inner side of the infiltrating irrigation unit (1) to the outer side, and the third transverse pipe is an open pipe with a downward opening.
2. The urban mass green space ecological conservation water saving fixtures of claim 1, characterized in that: the infiltrating irrigation unit (1) comprises an outer layer and an inner layer, wherein the outer side outline of the infiltrating irrigation unit is a regular hexagon, the vertex angle part of the outer layer protrudes outwards, the geometric center of the regular hexagon is used as the inner layer of a hollow cylinder, the infiltrating irrigation unit (1) is divided into six radiation irrigation areas (3) by taking the vertical line from the geometric center of the cross section to each side of the regular hexagon as a boundary, a grid is arranged between every two adjacent radiation irrigation areas (3), the infiltrating irrigation unit (1) is sequentially provided with a ventilating and water-retaining slow release layer (4), a moisture channel layer (5) and a aeolian sand filling layer (6) from inside to outside, and grids are arranged between the ventilating and water-retaining slow release layer (4) and the moisture channel layer (5) and between the aeolian sand;
the first water storage unit (2) comprises a guide column cluster (8) arranged at the center of the infiltrating irrigation unit (1), a bracket for fixing the bottom of the guide column cluster (8), two semicircular cover plates arranged on the lower side of the guide column cluster (8) in a split mode, and a first horn-shaped bulge (9) arranged in the center of the bottom, wherein a plurality of holes are formed in the top end of the first horn-shaped bulge (9);
the bottom center of the second water storage unit (7) is provided with a second horn-shaped bulge (10), and except the second horn-shaped bulge (10) at the bottommost part, the top ends of all other second horn-shaped bulges (10) are provided with a plurality of holes.
3. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the vertex angle part of the outer layer protrudes outwards by 1-1.5 cm, and the vertical distance of the hexagonal right-side edge of the outer layer is 5-6 cm; the outer contour of the protruding part of the outer layer is of a rugged structure, and is provided with open pores with the porosity of 65-85%; the diameter of the inner layer is 1 cm; the height of the infiltrating irrigation unit (1) is 10-15 cm.
4. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the ventilating water-retaining slow-release layer (4) is formed by mixing and laying aeolian sand, semi-decomposed sawdust and water-absorbing fibers in a volume ratio of 5:4: 1; the moisture channel layer (5) is formed by laying aeolian sand and bamboo fiber strong water absorption non-woven fabrics in a volume ratio of 7: 3; the aeolian sand filling layer (6) is formed by filling and paving aeolian sand; the bamboo fiber strong water absorption non-woven fabric is in a thin strip shape with the width of 0.2-0.5 cm, and is uniformly laid along the center and the periphery in a radial mode.
5. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the top and the bottom of the filtration irrigation unit (1) are both of a closed structure, the top of the filtration irrigation unit (1) is provided with a cover plate, and the cover plate is of a recessed structure which inclines from the periphery to the center in the horizontal direction.
6. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the guide column cluster (8) is a columnar body with the average diameter of 0.5-1.5 mm, the diameter of the top of the columnar body is 0.5mm, and the diameter is gradually increased to 1.5mm downwards; the guide column cluster (8) is formed by densely arranging a plurality of guide columns with the length of 1-1.5 cm, and the distance between every two adjacent guide columns is 2.5-5 mm; the middle of the guide column cluster (8) is low, and the periphery of the guide column cluster is high, and the average height of the guide column cluster is flush with the top of the infiltrating irrigation unit (1);
the horn-shaped bulge (9) is arranged at the position of 1-2 cm below the cover plate; the width of the top end of the horn-shaped bulge (9) is 0.3-0.5 cm, and the bottom end of the horn-shaped bulge (9) and the bottom end of the first water storage unit (2) are integrated;
the height of second water storage unit (7) is 5cm, the protruding height of second loudspeaker form is 4 ~ 4.5cm, protruding (10) bottom of second loudspeaker form is as an organic whole with second water storage unit (7) bottom.
7. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the first vertical pipe comprises a first water conveying pipe and a second water conveying pipe which are arranged at intervals; the pipe diameter of the first water delivery pipe is 5-10 mm, and the length of the first water delivery pipe is 1-2 cm lower than that of the first water storage unit (2); the pipe diameter of the second water conveying pipe is 1-3 mm, and grooves with the width and the depth of 0.1-0.3 mm are densely formed in the inner wall of the second water conveying pipe along the extension direction of the pipe;
the pipe diameter of the first transverse pipe is 0.5-1 mm, 1-3 transverse pipes are arranged in the vertical direction every 5-8 mm, and the length of each transverse pipe is 3-5 mm; the first transverse pipe is horizontally inclined towards the lower part of the outer side by 5-8 degrees.
8. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the second transverse pipe is arranged around the second horn-shaped protrusion (10), the pipe diameter of the second transverse pipe is 3-5 mm, and the interval between adjacent circles of circular pipelines in each layer is 3-5 mm; the second transverse pipes are arranged at a position 5-8 mm away from the bottom of the second water storage unit (7) and upwards at intervals of 6-10 mm;
the pipe diameter of the second vertical pipes is 0.5-1 mm, each circle of second horizontal pipes are arranged with one second vertical pipe at intervals of 3-5 mm, and the second vertical pipes on different layers are arranged in a staggered mode.
9. The urban mass green space ecological conservation water-saving device according to claim 2, characterized in that: the third is violently managed and is the level and to 5 ~ 8 degrees settings of outside below slope, the third is violently managed the inner wall and is equipped with the width and the degree of depth along the pipe extension direction is intensive and be equipped with the recess that the degree is 0.1 ~ 0.3mm, the third is violently managed the middle space diameter and is 0.5 ~ 1.2 mm.
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| WO2022179579A1 (en) * | 2021-02-25 | 2022-09-01 | 中国科学院地理科学与资源研究所 | Networked ecological conservation water-saving system for urban mass green land |
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