CN217734197U - Upper and lower layer function detached water collection system - Google Patents

Abstract

The utility model provides a water collecting system with separated upper and lower layer functions, wherein an upper layer water collecting pipe (2) is buried 20-30cm under soil, and at least two or more than two upper layer water collecting pipe water inlets (2-1) are uniformly arranged on the pipe wall; the lower layer water collecting pipe (7-1) is deeply buried under the big tree in the green land and in the soil around the big tree, and at least two or more lower part water collecting pipe water inlets (7-2) are uniformly arranged on the pipe wall of the lower part water collecting pipe (7-1); the water collected by the water inlet hole (7-2) of the lower water collecting pipe enters the lower water collecting pipe (7-1), flows to the water outlet (7-3) of the lower water collecting pipe and enters the direct water collecting pool (7-4); and the surface water collected by the upper layer water collecting pipe (2) enters the direct water collecting tank (7-4) after secondary treatment and biological purification. The utility model provides a separate water collecting system of upper and lower floor function can fully collect various water resources in arid area.

Description

Water collecting system with separated upper layer function and lower layer function

Technical Field

The utility model relates to an ecological environment field especially relates to a system of catchmenting that upper and lower floor function is partd.

Background

The drought area is little in precipitation, the water resource is lacked, and soil evaporation and plant transpiration volume are big, and irrigated moisture is robbed away soon, and only big tree can absorb moisture because to the moisture absorption rate is very fast, and other greenery patches plants are because not having enough moisture to grow not good or even die, have wasted a large amount of financial resources and materials. In the prior art, a scheme of continuously supplementing water from other areas is adopted, and a green land irrigation system is utilized to solve the technical problem; however, in arid regions, water resources are scarce, and continuous water supplement is difficult to realize.

Disclosure of Invention

The utility model provides a separate water collecting system of upper and lower floor function fully collects various water resources in arid area.

In order to solve the technical problem, the utility model provides a separate water collecting system of upper and lower floor's function is realized like this:

a water collecting system with separated upper and lower layer functions is characterized in that an upper layer water collecting pipe 2 is buried 20-30cm below soil, and at least two or more upper layer water collecting pipe water inlets 2-1 are uniformly arranged on the pipe wall;

the lower layer water collecting pipe 7-1 is deeply buried under the big trees in the green land and in the soil around the big trees, and at least two or more lower part water inlet 7-2 of the lower part water collecting pipe are uniformly arranged on the pipe wall of the lower part water collecting pipe 7-1; the water collected by the water inlet 7-2 of the lower water collecting pipe enters the lower water collecting pipe 7-1, flows to the water outlet 7-3 of the lower water collecting pipe and enters the direct water collecting tank 7-4;

and the surface water collected by the upper layer water collecting pipe 2 enters the direct water collecting tank 7-4 after secondary treatment and biological purification.

Optionally, a permeable and dense grid is wound on the pipe wall of the upper layer water collecting pipe 2 to prevent soil particles from entering the upper layer water collecting pipe 2 through the upper layer water collecting pipe water inlet 2-1.

Optionally, a permeable and dense grid is wound on the outer wall of the lower water collecting pipe 7-1 to prevent soil particles from entering the lower water collecting pipe 7-1 through the lower water collecting pipe inlet 7-2.

The utility model provides a water collecting system with separated upper and lower layer functions, wherein the upper layer water collecting pipe collects surface water, and the lower layer water collecting pipe collects underground water; the collected surface water enters a direct water collecting tank after secondary treatment and biological purification; the underground water collected by the lower water collecting pipe can directly enter the direct water collecting tank for direct use because of the absorption and precipitation of the soil. The utility model is suitable for a arid area's greenery patches system can collect surface water and groundwater, fully collects arid area's various water resources, accomplishes arid area greenery patches system water self-sufficiency.

Drawings

FIG. 1 is a block diagram of a water replenishing system suitable for use in green lands of arid regions;

FIG. 2 is a schematic view of a water replenishing system suitable for use in green lands of arid regions;

FIG. 3 is a structural view of a big tree protecting tube provided by the present invention;

FIG. 4 is a schematic structural view of the ecological purifying device for direct water provided by the present invention;

fig. 5 is a schematic structural view of fig. 5, 3-3;

FIG. 6 is a schematic structural diagram of FIG. 2, 4-1-1, according to the present invention;

description of reference numerals: 1 big tree protecting cylinder, 1-2 protecting cylinder protecting net, 1-3 protecting cylinder wall filtering layer, 1-4 protecting cylinder wall upper space, 1-5 protecting cylinder inner filtering net, 1-6 protecting cylinder water outlet pipe, 1-7 protecting cylinder lower space, 1-8 soaking net;

2, an upper layer water collecting pipe, 2-1, a water inlet of the upper layer water collecting pipe and 2-2, a water outlet of the upper layer water collecting pipe;

3, a direct water ecological purification device, 3-1 an upper layer protection grid, 3-2 a planting matrix, 3-3 a biological filtration grid, 3-3-1 a biological filtration grid net, 3-3-2 a microbial filtration grid frame, 3-4 a cavernous body, 3-5 a ventilation channel, 3-6 a ground air pore channel, 3-7 a concrete macadam protection structure and 3-8 a direct water storage place;

4 secondary water treatment device, 4-1 evaporation water accumulation tank, 4-1-1 evaporation water accumulation tank cover plate, 4-1-1-1 cover plate, 4-1-2 lower water collection tank ventilation channel, 4-1-3 lower water collection tank ventilation channel grid, 4-2 lower water collection tank, 4-2-2 lower water collection tank water pump, 4-2-3 lower water collection tank water pump pipe;

5, a sprinkling irrigation device, 5-1 a sprinkling irrigation compressed water pump, 5-2 a sprinkling irrigation water pipe and 5-3 a sprinkling irrigation spray head;

a 6 big tree irrigation device, a 6-1 big tree irrigation compressed water pump, a 6-1-1 upper fixing frame, a 6-1-2 lower supporting frame, a 6-2 big tree irrigation water delivery pipe, a 6-3 big tree irrigation tee joint and a 6-4 big tree irrigation tee joint;

7 direct water collecting device, 7-1 lower part collecting pipe, 7-2 lower part collecting pipe water inlet, 7-3 lower part collecting pipe water outlet, 7-4 direct water collecting pool.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention.

The utility model provides a water collecting system with separated upper and lower layer functions belongs to one of them part of the water compensating system who is applicable to arid area greenery patches. The water collection system with separated upper and lower layer functions provided by the present invention is further described in more detail by describing the water replenishment system suitable for use in arid area greenbelt as follows.

Example one

As shown in figure 1, the utility model is suitable for a water charging system in arid area greenery patches includes: an upper layer water collecting pipe 2, a direct water ecological purification device 3, a secondary water treatment device 4, a direct water collecting device 7 and a sprinkling irrigation device 5;

the upper layer water collecting pipe 2 is buried in surface soil around the big trees in the green land, collects surface water and conveys the surface water to a secondary water treatment device 4;

herbaceous plants with developed root systems are planted on the upper portion of the direct water ecological purification device 3, microorganisms are distributed under the herbaceous plants with developed root systems, rainwater falling into the direct water ecological purification device and water evaporated by the secondary water treatment device 4 are subjected to ecological purification, and then the rainwater flows into the direct water collection device 7 to be stored;

the secondary water treatment device 4 is used for evaporating the surface water collected by the upper layer water collecting pipe 2;

the lower layer water collecting pipe in the direct water collecting device 7 is deeply buried under the big trees in the green land and in the soil around the big trees, collects the underground water and stores the water purified by the direct water ecological purifying device 3, and provides the underground water and the water for the sprinkling irrigation device 5;

and the sprinkling irrigation device 5 is used for pumping the direct water stored in the direct water collecting device 3 out of the sprinkling irrigation green land.

In the embodiment, the upper layer water collecting pipe, the direct water collecting device and the direct water ecological purifying device collect various available water resources in the arid area, the direct water ecological purifying device and the secondary water treatment device purify the collected water, and the sprinkling irrigation device uses the collected and purified water to sprinkle the plants in the green land. The local water resource can be fully utilized, and water is not required to be transported outside; the moisture after multiple treatments is very suitable for green plants to absorb; the utility model is particularly suitable for salinization areas, and long-term use improves the salt tolerance of soil.

Example two

In the embodiment, on the basis of the first embodiment, a big tree protecting cylinder 1 and a big tree irrigating device 6 are added;

the big tree protecting cylinder 1 is a hollow cylinder, surrounds the root of a big tree which is 20-30cm below soil for a circle, and the wall of the big tree protecting cylinder 1 is hollow;

the big tree watering device 6 is used for pumping the direct water in the direct water collecting device, conveying the direct water into the hollow wall of the big tree protecting cylinder 1 to water big trees, and conveying the direct water into the direct water ecological purification device 3 to water herbaceous plants with developed root systems; the watering device 6 can pump water in the direct water collecting device 7 at a higher level than the sprinkling irrigation device 5 can pump water in the direct water collecting device 7.

This embodiment has set up the device of watering moisture for big tree specially, ensures that enough big tree moisture is sufficient in the green space, protects big tree and does not compete with other under-forest plants, ensures the moisture of other under-forest plants, keeps the ecological balance of green space, more is favorable to the green space to survive for a long time in the arid area that the environment is abominable, continuously improves local environment, has more manpower and materials to improve the environment in more areas.

The utility model discloses still provide the concrete scheme of implementing above-mentioned core thought, introduce in detail as follows.

As shown in fig. 2, the utility model provides a specific embodiment, line A is the earth's surface line in fig. 2, the utility model provides a be applicable to arid area greenery patches moisturizing system most device all below the earth's surface, only partial device, for example the partial structure of direct water ecological purification device 3 and secondary water treatment facilities 4 is above the earth's surface. It is right as follows the utility model is suitable for an each device of arid area greenery patches water charging system introduces:

1. big tree protecting cylinder

As shown in figures 2 and 3, the big tree guard 1 is a hollow cylinder buried underground and surrounds the root of a big tree 20-30cm under the soil. The top of the big tree protecting cylinder is arranged on the ground surface, and in order to prevent various sundries on the ground surface from entering the big tree protecting cylinder, a protecting cylinder protecting net 1-2 is arranged between the big tree and the outer wall of the protecting cylinder on the top of the big tree protecting cylinder 1. The wall of the big tree protecting cylinder 1 is of an annular hollow structure and is provided with a protecting cylinder inner wall and a protecting cylinder outer wall; the tenon structure 1-1 is arranged on the upper half part of the inner side of the inner wall of the protecting cylinder, the tenon structure 1-1 contacts with the tree body, a certain space is ensured between the upper half part of the big tree protecting cylinder and the tree body, and the big tree can not grow due to the fact that the big tree protecting cylinder is too close to the tree body. A pile casing wall filtering layer 1-3 is arranged below the pile casing protecting net 1-2 and between the outer wall of the pile casing and the inner wall of the pile casing, and the pile casing wall filtering layer 1-3 is of a sponge structure and can filter water and prevent small soil impurity particles from entering the wall of the big tree pile casing; a space is arranged between the filter layer 1-3 of the wall of the protecting cylinder and the filter screen 1-5 in the protecting cylinder, and is the upper space 1-4 of the wall of the protecting cylinder, a supporting structure is arranged in the space to support the inner wall and the outer wall of the protecting cylinder, so that the inner wall and the inner wall of the protecting cylinder are prevented from being extruded together due to the extrusion of soil in the large tree protecting cylinder embedded in the soil.

The filter screen 1-5 in the protective cylinder is arranged between the outer wall of the protective cylinder and the inner wall of the protective cylinder, and the filter screen 1-5 in the protective cylinder is a secondary filter screen in the protective cylinder and is made of compact and durable materials such as gauze. The space 1-7 at the lower part of the protecting cylinder is arranged below the filter screen 1-5 in the protecting cylinder and extends to the bottom of the big tree protecting cylinder 1; the soaking net 1-8 is arranged at the bottom of the big tree protection cylinder 1, and when the big tree protection cylinder 1 is buried, the soaking net 1-8 is laid on the bottom surface of the big tree protection cylinder 1 around the root of a big tree; the soaking net 1-8 is made of a woven fabric material which is easy to absorb water and high in toughness, when the water stored in the wall of the big tree protection cylinder is less, the soaking net 1-8 can slowly supply the water to the big tree for absorption, so that the root of the big tree can effectively absorb the water, and the root of the big tree is ensured to have enough water. The utility model discloses lay around big root of a tree to soaking net 1-8, can extend to the big tree and protect in the soil of a section of thick bamboo outside, can inhale and steep more moisture confession big tree and absorb.

A section 1-7 of the lower space of the pile casing and the outer wall of the pile casing are provided with a pile casing water outlet pipe 1-6, a distance is reserved from the water inlet of the pile casing water outlet pipe 6 to the bottom of the lower space 1-7 of the pile casing, and the water outlet of the pile casing water outlet pipe 1-6 is arranged outside the big tree pile casing 1; the water flowing out of the water outlet pipe of the pile casing generally flows into the soaking nets 1-8, if the water flowing out is not much, the soaking nets absorb the water, and the water flowing out is much and can be absorbed by soil near the big trees; when the water in the wall of the big tree protecting cylinder is sufficient, the water in the wall flows out through the water outlet pipe 1-6 of the protecting cylinder to prevent the water from collapsing the wall of the big tree protecting cylinder; a distance of about 10 cm is reserved from the water inlet of the water outlet pipe 6 of the protective cylinder to the bottommost part of the spaces 1-7 at the lower part of the protective cylinder, and water can be stored in the wall. The big tree protecting cylinder is made of waterproof hard material.

2. Upper layer water collecting pipe

As shown in figure 2, the upper layer water collecting pipe 2 is buried 20-30cm under the soil, the buried depth of the upper layer water collecting pipe 2 is slightly higher than the bottom of the large tree protecting cylinder 1, and the lower space of the protecting cylinder is 1-7. At least two or more upper layer water collecting pipe water inlets 2-1 are uniformly arranged on the pipe wall of the upper layer water collecting pipe 2, and a permeable and compact grid is wound on the pipe wall of the upper layer water collecting pipe 2 to prevent soil particles from entering the upper layer water collecting pipe 2 through the upper layer water collecting pipe water inlets 2-1; the water collected by the water inlet holes 2-1 of the upper layer water collecting pipe enters the upper layer water collecting pipe 2, flows to the water outlet 2-2 of the upper layer water collecting pipe, and enters the secondary water body treatment device for secondary treatment; the secondary water body treatment device evaporates and condenses the surface water collected by the upper layer water collecting pipe to realize primary purification; the purified water enters the direct water ecological purification device, is biologically purified twice by herbaceous plants with developed root systems and microorganisms, enters the direct water collecting tank and can be directly used for sprinkling irrigation of plants.

As shown in FIG. 2, the lower water collecting pipe 7-1 is buried under the big tree in the green land and in the soil around the big tree, and at least two or more lower water collecting pipe water inlets 7-2 are uniformly arranged on the pipe wall of the lower water collecting pipe 7-1; the outer wall of the lower water collecting pipe 7-1 is wound with a permeable and compact grid to prevent soil particles from entering the lower water collecting pipe 7-1 through the inlet 7-2 of the lower water collecting pipe; the water collected by the water inlet 7-2 of the lower water collecting pipe enters the lower water collecting pipe 7-1 and flows to the water outlet 7-3 of the lower water collecting pipe to enter the direct water collecting tank 7-4. The underground water collected by the lower water collecting pipe can directly enter the direct water collecting tank for direct use because of the absorption and precipitation of the soil.

3. Direct water ecological purification device

As shown in fig. 2 and 4, an upper layer protective grating 3-1 is arranged on the upper layer of the direct water ecological purification device, and round openings larger than grating openings are arranged on the grating at intervals and used for planting herbaceous plants with developed root systems; under the upper layer protective grid 3-1 is a planting substrate 3-2 of herbaceous plants with developed root systems, wherein the planting substrate is mainly a mixture of perlite, volcanic rock and peat soil; a microorganism filtering grid 3-3 is arranged below the planting substrate 3-2, and microorganisms are distributed on the microorganism filtering grid 3-3; as shown in fig. 5, the microbial filtration grid 3-3 is composed of a microbial filtration grid net 3-3-1 and a microbial filtration grid frame 3-3-2, microbes are planted on the microbial filtration grid net 3-3-1, and the microbial filtration grid frame 3-3-2 supports the microbial filtration grid net 3-3-1; the number of the microbial filtration grid nets 3-3-1 is multiple, and the microbial filtration grid frame 3-3-2 corresponds to the microbial filtration grid net 3-3-1; the growth condition of the microorganisms on the microorganism filtering grille net 3-3-1 is checked regularly, the microorganism filtering grille net 3-3-1 full of microorganisms is replaced when the microorganism filtering grille net is not good in growth, and a new microorganism filtering grille net 3-3-1 full of microorganisms is arranged. Herbaceous plants with developed root systems planted in the upper layer protective grating 3-1 can resist flooding; according to the growth condition of the herbaceous plants, whether the water shortage exists in the water replenishing system of the green land or not can be monitored, and whether the water shortage is caused by the climate or caused by the fact that a problem occurs in an internal device of the water replenishing system or not can be further judged.

The planting substrate 3-2 and the microorganism filtering grid 3-3 are separated by a permeable mesh cloth, a sponge 3-4 is arranged below the microorganism filtering grid 3-3, and the sponge 3-4 is mainly made of sponge or other materials with water outlet and water retention capacity; concrete broken stone protection structures 3-7 are arranged below and around the sponge 3-4, support the sponge 3-4 and the parts above the sponge 3 of the direct water ecological purification device 3, and provide storage and circulation channels for the direct water filtered by the sponge 3-4 and the parts above the sponge 3 of the direct water ecological purification device 3, such as water body flow channels 3-8 in the figure 3; and a concrete macadam protection structure 3-7 is also arranged below the middle of the sponge body 3-4 for supporting. The cavernous body 3-4 and the parts above comprise an upper layer protective grid 3-1, herbaceous plants, a planting matrix 3-2, a microorganism filtering grid 3-3, a water permeable mesh cloth, a cavernous body 3-4 and the like.

A ventilation channel 3-5 which penetrates up and down is arranged in the middle of the sponge 3-4 and the upper part of the direct water ecological purification device 3; the upper end of the ventilation channel 3-5 is exposed out of the direct water ecological purification device 3 to the ground, as shown in a ground air hole channel 3-6 in the figure 4, and the lower end of the ventilation channel is connected to a direct water storage part 3-8 of a concrete macadam protection structure 3-7, so that gas exchange between the direct water ecological purification device 3 and the outside is realized; the top end of the part of the ventilation channel 3-5, which is exposed out of the direct water ecological purification device 3, is provided with an umbrella-shaped protection structure.

After the ground surface precipitation, the runoff rainwater enters the direct water ecological purification device, and enters a direct water collecting tank 7-4 of the direct water collecting device 7 after being purified for many times. The upper layer protective grating in the direct water ecological purification device 3 can prevent larger impurities from entering the device, and the water body is purified to a certain degree through the interception of the planting matrix and the root system of the herbaceous plant; the primarily purified water body passes through a microorganism filtering grid and is purified again by microorganisms, and at the moment, the water initially meets the direct use requirement. The cavernous body below the microorganism filtering grid is the last purification, and the part can store a certain amount of water for the growth of microorganisms and herbaceous plants and can also purify water. The direct water ecological purification device is provided with a ventilation channel, so that the pressure difference between the inside and the outside of the device and the air content can be maintained, the microbial activity is ensured, and the water operation in the system is ensured.

4. Secondary water treatment device

The secondary water treatment device 4 comprises an evaporation water accumulation tank 4-1 and a lower water collection tank 4-2, the lower water collection tank 4-2 stores surface water collected by the upper water collection pipe 2, and as shown in fig. 2, a water collection pipe water outlet 2-2 is arranged on the upper left wall of the lower water collection tank 4-2;

a lower water collecting tank water suction pump 4-2-2 is arranged at the bottom of the lower water collecting tank 4-2, the lower water collecting tank water suction pump 4-2-2 is connected with a lower water collecting tank water suction pipe 4-2-3, and water stored in the lower water collecting tank 4-2 is pumped into an evaporation water body storage tank 4-1; after water in the evaporation water accumulation box 4-1 is evaporated, water is condensed into water drops on a cover plate 4-1-1 of the evaporation water accumulation box, and the water drops flow into the direct water ecological purification device 3 along a cover plate prism 4-1-1-1 on the cover plate 4-1-1 of the evaporation water accumulation box; as shown in fig. 6, the cover plate prism 4-1-1-1 is a triangular prism, one side of the prism is arranged on one side of the cover plate, and the triangular prism faces downwards, so that condensed water drops can flow along the triangular prism conveniently.

The cover plate 4-1-1 of the evaporation water accumulation box is made of transparent plastic, and is obliquely covered on the evaporation water accumulation box, and one section of the cover plate extends to the upper part of the direct-water ecological purification device, so that evaporated moisture is ensured to enter the direct-water ecological purification device.

The side wall of the upper part of the lower water collecting tank 4-2 is provided with an air vent which is connected with a lower water collecting tank air vent 4-1-2 leading to the earth surface, and the outlet of the lower water collecting tank air vent 4-1-2 is provided with a lower water collecting tank air vent grid 4-1-3 made of a grid and a dense net, so that earth surface impurities are prevented from entering the lower water collecting tank air vent and blocking the air vent.

5. Sprinkling irrigation device

As shown in figure 2, a compressed water pump 5-1 of the sprinkler irrigation device 5 is fixed at the bottom of a direct water collecting pool 7-4 of a direct water collecting device 7 and is connected with a sprinkler irrigation water pipe 5-2 of the sprinkler irrigation device 5, the sprinkler irrigation water pipe 5-2 is communicated with the ground for a certain distance, and a sprinkler head 5-3 or other water pipe joints are arranged at the outlet of the sprinkler irrigation water pipe 5-2. The distance between the spraying section water pipe 5-2 and the ground is set according to the growth height of plants in the green land, and is generally 20-120cm.

6. Irrigation device for big trees

As shown in fig. 2, the big tree watering compressed water pump 6-1 is fixed in the direct water collecting tank 7-4 of the direct water collecting device 7 at a distance higher than the bottom of the direct water collecting tank 7-4; the big tree irrigation compressed water pump 6-1 is connected with the big tree irrigation water delivery pipe 6-2, the big tree irrigation water delivery pipe 6-2 is connected with a big tree irrigation tee joint 6-3 upwards, one is communicated with the big tree protection cylinder 1, the other is communicated with the direct water ecological purification device 3, and water of the big tree irrigation water delivery pipe 6-2 is distributed to the big tree irrigation tee joint connection opening 6-4 to enter the direct water ecological purification device 3.

As shown in figure 2, a compressed water pump 6-1 for irrigating big trees is fixed at a position 40-80cm away from the bottom of a direct water collecting pool by an upper fixing frame 6-1-1 and a lower supporting frame 6-1-2. Because the big tree irrigation compression water pump is away from the bottom of the direct water collecting pool by a certain distance, when the water level of the direct water collecting pool is lower than 4-80 cm, the big tree irrigation compression water pump can not pump water in the direct water collecting pool; the compressed water pump 5-1 of the sprinkler irrigation device 5 is arranged at the bottom of the direct water collecting tank, water in the direct water collecting tank is preferentially supplied to the sprinkler irrigation device in the absence of water, and meanwhile, the water of the large trees in the green land and other green plants under the forest is ensured.

7. Direct water collecting device

As shown in fig. 2, at least two or more lower water inlets 7-2 of the lower water collecting pipes are uniformly arranged on the pipe wall of the lower water collecting pipe 7-1 of the direct water collecting device 7; the outer wall of the lower water collecting pipe 7-1 is wound with a permeable and compact grid to prevent soil particles from entering the lower water collecting pipe 7-1 through the inlet 7-2 of the lower water collecting pipe; the water collected by the water inlet hole 7-2 of the lower water collecting pipe enters the lower water collecting pipe 7-1 and flows to the water outlet 7-3 of the lower water collecting pipe to enter the direct water collecting tank 7-4.

The water-saving water-using system is suitable for a green land water-supplementing system of an arid region, and is developed for the arid region, particularly the arid water-deficient region with serious salinization. The method solves the problems that the absorption speed of the big trees to nutrients and water is high, and the big trees compete with the nutrients of the plants planted in the forest.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A water collecting system with separated upper and lower layer functions is characterized in that an upper layer water collecting pipe (2) is buried 20-30cm below soil, and at least two or more upper layer water collecting pipe water inlets (2-1) are uniformly arranged on the pipe wall;

the lower water collecting pipe (7-1) is deeply buried under the big trees in the green land and in the soil around the big trees, and at least two or more lower water collecting pipe water inlets (7-2) are uniformly arranged on the pipe wall of the lower water collecting pipe (7-1); the water collected by the water inlet (7-2) of the lower water collecting pipe enters the lower water collecting pipe (7-1), flows to the water outlet (7-3) of the lower water collecting pipe and enters the direct water collecting pool (7-4);

and the surface water collected by the upper layer water collecting pipe (2) enters the direct water collecting tank (7-4) after secondary treatment and biological purification.

2. Upper and lower level functionally segregated water collection system according to claim 1, wherein the upper level collector pipe (2) is wound with a water permeable, dense mesh around the pipe wall to prevent soil particles from entering the upper level collector pipe (2) through the upper level collector pipe water inlet (2-1).

3. Upper and lower level functionally segregated water collection system according to claim 1 or 2, wherein the outer wall of the lower water collection pipe (7-1) is wrapped with a water permeable, dense mesh preventing soil particles from entering the lower water collection pipe (7-1) through the lower water collection pipe water inlet (7-2).

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