CN114711121B - Distributed pipeline system and construction process thereof - Google Patents
Distributed pipeline system and construction process thereof Download PDFInfo
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- CN114711121B CN114711121B CN202210397646.2A CN202210397646A CN114711121B CN 114711121 B CN114711121 B CN 114711121B CN 202210397646 A CN202210397646 A CN 202210397646A CN 114711121 B CN114711121 B CN 114711121B
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 238000003973 irrigation Methods 0.000 claims abstract description 106
- 230000002262 irrigation Effects 0.000 claims abstract description 106
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims description 63
- 239000002689 soil Substances 0.000 claims description 26
- 239000004575 stone Substances 0.000 claims description 23
- 230000004083 survival effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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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- 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Botany (AREA)
- Sewage (AREA)
Abstract
The application relates to the technical field of ecological restoration, in particular to a distributed pipeline system and a construction process thereof, wherein the distributed pipeline system comprises a first irrigation system, a second irrigation system and a water distribution system, and the first irrigation system and the second irrigation system both comprise a plurality of main pipelines and a plurality of branch pipelines which are respectively communicated with the main pipelines; the first irrigation system further comprises a first water distribution station, the water distribution system comprises a second water distribution station and water distribution pipes communicated with a plurality of main pipes of the second irrigation system, the installation height of the water distribution pipes is smaller than that of the first irrigation system and the second irrigation system, the water distribution pipes and the main pipes of the plurality of first irrigation systems are communicated with the second water distribution station, and water distribution pumps are arranged in the second water distribution station. The application can make the seedlings on the beach and the side slope obtain a more uniform water supply environment by distributing the regional water, thereby improving the growth environment and the survival rate of the seedlings.
Description
Technical Field
The application relates to the technical field of ecological restoration, in particular to a distributed pipeline system and a construction process thereof.
Background
When the water level falls back, the water storage property of the beach is poor, and the seedlings are lack of water. This results in a lower survival rate of the planted seedlings in the beach area, and also causes inconsistent growth of the planted seedlings in the beach area and the adjacent side slope area.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the distributed pipeline system and the construction process thereof, which ensure that the seedlings on the beach and the side slope obtain a relatively uniform water supply environment in a mode of distributing regional water, thereby improving the growth environment and the survival rate of the seedlings and improving the consistency of the growth of the seedlings in a plurality of regions along the river to a certain extent.
The above-mentioned application purpose of the application is realized through the following technical scheme:
the distributed pipeline system comprises a first irrigation system, a second irrigation system and a water distribution system, wherein the first irrigation system and the second irrigation system comprise a plurality of main pipelines and a plurality of branch pipelines which are respectively communicated with the main pipelines;
the first irrigation system further comprises a first water distribution station, the water distribution system comprises a second water distribution station and water distribution pipes communicated with a plurality of main pipes of the second irrigation system, the installation height of the water distribution pipes is smaller than that of the first irrigation system and the second irrigation system, the water distribution pipes and the main pipes of the plurality of first irrigation systems are communicated with the second water distribution station, a water distribution pump is arranged in the second water distribution station, the second irrigation system further comprises a plurality of isolation pipes, annular gaps are formed in the isolation pipes, and the tail ends of the branch pipes of the second irrigation system are inserted into the isolation pipes.
Optionally, the isolation pipe includes the inner tube and sets up the outer tube in the inner tube outside, the outer tube outside is sealed, annular gap is located between inner tube and the outer tube, inner tube and outer tube pass through solid fixed ring fixed connection, the hole of permeating water has all been seted up on inner tube and the solid fixed ring, the end of the lateral conduit of second irrigation system inserts in the aforesaid annular gap.
Optionally, a water distribution ring is installed at the end of the branch pipe of the second irrigation system, water permeable holes are formed in the water distribution ring, and the water distribution ring is communicated with the branch pipe of the second irrigation system.
Optionally, the end of the outer pipeline away from the fixed ring extends out of the extension section in a direction away from the fixed ring.
Optionally, the diameter of the outer conduit extension decreases sequentially in a direction away from the retaining ring.
Optionally, the plurality of main pipes of the second irrigation system have an included angle with the horizontal plane in the installation state, and distances between the plurality of main pipes of the second irrigation system and the horizontal plane sequentially increase in a direction away from the second water distribution station in the installation state.
Optionally, the diameter of the outer pipe of the isolation pipe sequentially increases in a direction away from the fixing ring.
The embodiment of the application also provides a construction process of the distributed pipeline system, which uses any one of the distributed pipeline systems, and comprises the following steps:
dividing the land on the river bank into a beach area, a side slope area and a junction zone between the beach area and the side slope area, and respectively placing a first irrigation system, a water distribution system and a second irrigation system on the beach area, the junction zone and the side slope area;
digging tree pits on the beach area and the side slope area, burying isolation pipes in the tree pits of the beach area and enabling the tops of the isolation pipes to be 10cm-40cm higher than the ground of the beach area;
and digging a groove in the connecting belt, burying a water distribution pipeline of the water distribution system into the groove, wherein the installation height of the water distribution pipeline is lower than the horizontal height of the bottom of the isolation pipe, and the difference is more than 30cm.
Optionally, paving a gravel layer at the bottom of the tree pit in the beach area, wherein the thickness of the gravel layer is 10cm-15cm, a through hole is formed in the middle of the gravel layer, and the gravel layer is positioned between the isolation pipe and the bottom of the tree pit in the beach area.
Optionally, after the isolating pipe is installed, the isolating pipe is filled with the crushed stone layer and the cooked soil layer, the crushed stone layer and the cooked soil layer are annular, the crushed stone layer is sleeved on the outer side of the cooked soil layer, and the thickness of the crushed stone layer in the isolating pipe is 5cm-10cm.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the seedlings on the beach and the side slopes can obtain a relatively uniform water supply environment in a mode of distributing water in the areas, so that the growth environment and the survival rate of the seedlings are improved, and the consistency of the growth of the seedlings in a plurality of areas along the river can be improved to a certain extent;
2. through the arrangement of the water distribution system, the absorbed water can be supplied to the seedlings in the side slope area on the premise of improving the accumulated water at the root of the seedlings in the beach area, so that the waste of water resources is reduced;
3. through the cooperation setting of lateral pipeline and isolation tube, can improve the lodging resistance ability of nursery stock under the prerequisite that can improve nursery stock root system ponding yet;
4. through the setting of rubble layer, can retrain the growth orbit of nursery stock root system for the nursery stock root system can be quick the downward development, has reduced the cycle of nursery stock management.
Drawings
FIG. 1 is a schematic top view of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an isolation tube according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of an isolation tube according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of an isolation tube according to an embodiment of the present application.
Reference numerals: 1. a first irrigation system; 11. a first water distribution station; 12. a main pipe; 13. a branch pipe; 2. a second irrigation system; 21. an isolation tube; 211. an outer pipe; 212. an inner pipe; 213. a fixing ring; 214. an annular gap; 215. an extension section; 22. a water distribution ring; 3. a water distribution system; 31. a second water distribution station; 32. a water distribution pipe;
101. beach areas; 102. tree pits; 103. a crushed stone layer; 104. a mature soil layer; 201. a transfer belt; 202. a groove; 301. a side slope region.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The beach between the common water level of inland rivers and flood level in China is called a tidal flat, and is also called a intertidal zone. The mud flat has high saline-alkali degree and rare vegetation, and the river is always in a flowing state, so that the water and soil loss in the mud flat area is serious.
At present, when treating the beach, a mode of planting trees on the beach is generally adopted. The general process is to lay green manure on the beach, relieve the saline-alkali degree of the beach through the growth and transpiration of the green manure, and plant the nursery stock on the beach and the side slope adjacent to the beach to improve the ecological environment and fix the water and soil of the beach after the saline-alkali degree of the beach is proper.
When the planted seedling root system does not extend into the underground aquifer, irrigation needs to be carried out, and the seedling on the beach slope is generally indiscriminate from general seedling cultivation irrigation, but the seedling situation on the beach is more complex: when the river is at a constant water level, the root system of the seedling at the beach position does not extend into the aquifer, and then the seedling at the beach needs to be irrigated; when the river is at a high water level, the water level of water in the beach soil can rise and even exceed the surface of the beach, so that the root system of the seedling can be completely soaked in the water, and if the river is at the high water level for a long time, the root system of the seedling can not breathe with oxygen for a long time, and further the root system of the seedling can be rotten.
The existing irrigation mode is simpler: the water tower is arranged at the higher part of the side slope, water of the high water tower is rapidly conveyed to all pipeline distribution areas below the water tower through the main pipeline and the branch pipelines, when the river water level rises and seedlings on the side slope need to be irrigated, the growth environments of the seedlings in the side slope area and the beach area are inconsistent, and the seedlings cultivated on the beach area die when serious.
To solve the above-mentioned problems, an embodiment of the present application provides a distributed piping system, which mainly includes three major parts of a first irrigation system 1, a second irrigation system 2, and a water distribution system 3 disposed between the first irrigation system 1 and the second irrigation system 2, referring to fig. 1 and 2;
the first irrigation system 1 and the second irrigation system 2 each comprise a plurality of main pipelines 12 and a plurality of branch pipelines 13 respectively communicated with the main pipelines 12, and daily irrigation water is distributed through the main pipelines 12 and the branch pipelines 13 of the first irrigation system 1 and the second irrigation system 2;
the first irrigation system 1 further comprises a first water distribution station 11, the installation height of the first water distribution station 11 is higher than the installation height of the main pipeline 12 and the branch pipeline 13 of the first irrigation system 1, the first water distribution station 11 can store water daily, and water can be fed into the first water distribution station 11 by arranging a water pump;
the water distribution system 3 comprises a second water distribution station 31 and a water distribution pipeline 32 communicated with a plurality of main pipelines 12 of the second irrigation system 2, the installation height of the water distribution pipeline 32 is smaller than that of the first irrigation system 1 and the second irrigation system 2, the water distribution pipeline 32 and the main pipelines 12 of the plurality of first irrigation systems 1 are communicated with the second water distribution station 31, a water distribution pump is arranged in the second water distribution station 31, in a normal state, when seedlings in the areas of the first irrigation system 1 and the second irrigation system 2 are required to be irrigated, only the first water distribution station 11 is required to be opened, water in the first water distribution station 11 flows to the areas where the seedlings are planted along the main pipelines 12 and the branch pipelines 13 through gravity, the second irrigation system 2 further comprises a plurality of isolation pipes 21, annular gaps 214 are formed in the interiors of the isolation pipes 21, the tail ends of the branch pipelines 13 of the second irrigation system 2 are inserted into the isolation pipes 21, and the first irrigation system 1 does not need to be provided with the isolation pipes 21.
Further description will be provided below in connection with specific use cases.
When an operator installs the distributed pipeline system provided by the embodiment of the present application, firstly, the land on the river bank is divided into the beach area 101, the side slope area 301 and the junction zone 201 between the beach area 101 and the side slope area 301 according to the topography of the river bank, and the first irrigation system 1, the water distribution system 3 and the second irrigation system 2 are respectively placed on the beach area 101, the junction zone 201 and the side slope area 301.
The operator then digs a pit 102 required for planting the nursery stock in the beach area 101 and the side slope area 301, buries the isolation pipe 21 in the pit 102 of the beach area 101 with the top of the isolation pipe 21 10cm-40cm higher than the ground of the beach area 101, then inserts the ends of the branch pipes 13 in the first irrigation system 1 and the second irrigation system 2 into the bottom of the inner cavity of the isolation pipe 21, loads the nursery stock inside the isolation pipe 21, and ensures that the root system of the nursery stock does not touch the plane where the bottom of the isolation pipe 21 is located, without burying the main pipes 12 in the first irrigation system 1 and the second irrigation system 2 underground.
After the above operation is completed, the operator installs the water distribution system 3 at the junction 201, needs to dig the trench 202 required for installing the water distribution pipeline 32, after the digging is completed, the operator places the water distribution pipeline 32 into the trench 202, and fixedly connects and conducts the plurality of main pipelines 12 in the second irrigation system 2 with the water distribution pipeline 32, and the second water distribution station 31 in the water distribution system 3 can be installed on the ground or underground according to actual needs.
Through the above-mentioned installation process, the distributed pipeline system provided by the embodiment of the application is already installed.
In normal use, i.e. when the water flow in the river is at a constant water level, the roots of the seedlings in the beach area 101 are not pricked into the aquifer of the soil, irrigation is still needed, during irrigation, the first water distribution station 11 of the first irrigation system 1 is opened to flow water into the slope area 301 and the second water distribution station 31 of the water distribution system 3 through the main pipeline 12, the water in the main pipeline 12 in the first irrigation system 1 is conveyed to the seedlings in the slope area 301 through the branch pipeline 13, the second water distribution station 31 is simultaneously opened, and the water conveyed by the first irrigation system 1 is distributed to the second irrigation system 2 through the water distribution pipeline 32, and the water is conveyed to the seedlings in the beach area 101 through the main pipeline 12 and the branch pipeline 13 of the second irrigation system 2.
When the river is at the flood level, the position of the aquifer of the land of the beach area 101 is increased, the water content in the soil is increased, the phenomenon that water is absorbed up to the root of the seedling and accumulated water is likely to occur, at this time, the water distribution pump in the second water distribution station 31 can be started by starting the second water distribution station 31 in the water distribution system 3, the water in the underground of the beach area 101 is pumped to the water distribution pipeline 32 and then enters the second water distribution station 31, and finally, the water is conveyed to the first irrigation system 1 and stored in the first water distribution station 11 or used for the seedling irrigation of the area where the first irrigation system 1 is located, so that the increase of the death rate of the seedling caused by serious accumulated water at the root of the seedling planted in the beach area 101 when the river is at the flood level is avoided. The operator can also install a screen at the end of the branch pipe 13 of the second irrigation system 2, depending on the actual situation.
It should be understood that when the river is at the flood level, the branch pipes 13 in the second irrigation system 2 form negative pressure inside by the water distribution pump in the second water distribution station 31, so that water at the opening of the tail end of the branch pipe 13 is absorbed, the water absorption influence area is in an irregular circular shape, the range of the influence area is far greater than the range of the root system of the nursery stock where the influence area is located, the effect of improving the water content of the root system of the nursery stock is not obvious, the nursery stock is relatively isolated from other soil in the mud flat area 101 by the isolating pipe 21, so that the branch pipe 13 in the isolating pipe 21 only can influence water absorbed in the isolating pipe 21, and the efficiency of the branch pipe 13 in water absorption and the effect of water drainage in the area of the second irrigation system 2 are improved; meanwhile, the problem that the water level rises to bring about not only soaking the root of the nursery stock is also concerned when the river goes in and out of the flood level, the rising water level makes the soil water content in the region of the beach area 101 rise, so that the hardness of the soil becomes soft, especially the river is always in a flowing position, the root system of the nursery stock is not yet grown, the probability that the nursery stock is subjected to river flushing to fall is obviously improved, after the isolating pipe 21 is installed, the isolating pipe 21 plays a fixed role on the nursery stock because the nursery stock grows in the isolating pipe 21, and therefore the lodging resistance of the nursery stock under the condition of river flushing is improved.
It may happen that a river water level is raised, even completely submerging the surface of the tidal flat area 101, where the isolation pipe 21 is buried in the tree pit 102 of the tidal flat area 101 and the top of the isolation pipe 21 is made to be 10cm-40cm higher than the surface of the tidal flat area 101, which also enables the isolation pipe 21 to cope with some situations where the water level touches the tidal flat area 101, and the time of occurrence of such situations is small relative to the time of the ordinary water level, where the root system of the nursery stock planted in the tidal flat area 101 may be completely in silt, and the water content of the nursery stock may be increased in the region where the water content of the soil is increased although the root system of the nursery stock is 50cm or more below the surface of the tidal flat area 101, when the river submerges the surface of the tidal flat area 101, the water content of the tidal flat area 101 is not large, and the water content of the tidal flat area 101 may be absorbed by starting the water pump in the water distribution system 3, where the water content of the nursery stock 13 is in the vicinity of the root portion of the nursery stock is formed in the second irrigation system 2, and the oxygen content of the soil is increased.
In general, the embodiment of the application enables the seedlings on the beach and the side slope to obtain a relatively uniform water supply environment in a mode of distributing regional water, thereby improving the growth environment and survival rate of the seedlings and improving the consistency of the growth of the seedlings in a plurality of regions along the river to a certain extent.
It should be noted that, in the embodiment of the application, when the main pipeline 12 and the branch pipeline 13 in the first irrigation system 1 and the second irrigation system 2 are installed and paved, most of the main pipeline and the branch pipeline 13 are paved on the ground, a special ditch is not required to be dug, the construction amount in the installation is reduced, and the influence of the excavated soil on the river bank ecology in the installation is reduced. The end of the branch pipe 13 is located near the root of the seedling at the time of installation, and is buried just by the way when the tree pit 102 is dug.
It should also be noted that the mounting height of the distribution pipes 32 of the water distribution system 3 is smaller than the mounting height of the first irrigation system 1 and the second irrigation system 2, and that after the distribution pumps of the water distribution system 3 are turned on, the water contained in the beach area 101 flows through the main pipe 12 to the distribution pipes 32, so that to some extent a communication between the beach area 101 and the distribution pipes 32 may be constituted, so that the water of the beach area 101 spontaneously flows into the distribution pipes 32, at which time the operator may turn off the distribution pumps in the water distribution system 3 to save energy.
In some possible implementations of the embodiments of the application, valves may be incorporated in the first water distribution station 11 and the second water distribution station 31.
As a possible implementation manner of the embodiment of the present application, referring to fig. 2, the isolation pipe 21 includes an inner pipe 212 and an outer pipe 211 disposed outside the inner pipe 212, the outer pipe 211 is sealed, an annular gap 214 is located between the inner pipe 212 and the outer pipe 211, the inner pipe 212 and the outer pipe 211 are fixedly connected through a fixing ring 213, water permeable holes are formed on the inner pipe 212 and the fixing ring 213, and the end of the branch pipe 13 of the second irrigation system 2 is inserted into the annular gap 214.
From the shape, the isolation tube 21 can be regarded as a tube with a thicker wall thickness and a deeper annular groove formed in the end face of the tube, and the annular groove is open at one end and closed at the other end.
In combination with a specific use scenario, an operator digs a tree pit 102 in a beach area 101, then buries an isolation pipe 21 into a pit, the top of the isolation pipe 21 is 10cm-40cm higher than the ground of the beach area 101, when an aquifer at the beach area 101 rises and ponds at the root position of a seedling, water in the soil of the root of the seedling can permeate a water permeable hole at an inner pipeline 212 and gather in an annular gap 214 between the outer pipeline 211 and the inner pipeline 212, and the tail end of a branch pipeline 13 of the second irrigation system 2 is in the annular gap 214, so that redundant water can be quickly absorbed, the growth environment of the root of the seedling is maintained, normal breathing of the root of the seedling is ensured, and the survival rate of the seedling at the beach area 101 is improved.
It will be appreciated that when the flood level of the river completely drops over the ground in the tidal zone 101, the isolation tube 21 is still able to block the flow of water from the river, leaving the annular gap 214 inside the isolation tube 21 free.
Further, referring to fig. 3, the end of the outer pipe 211 away from the fixing ring 213 extends out of the extension section 215 in a direction away from the fixing ring 213, and the diameter of the extension section 215 of the outer pipe 211 sequentially decreases in a direction away from the fixing ring 213, and the outer pipe 211 and the bottom of the inner pipe 212 are at the same level in terms of shape, while the top of the outer pipe 211 is higher than the top of the inner pipe 212, which further improves the ability of the isolation pipe 21 to resist river flood level, thereby improving the survival rate of seedlings.
In some possible implementations of embodiments of the present application, the outer tube 211, the inner tube 212, and the retaining ring 213 of the spacer tube 21 are integrally formed.
Further, the diameter of the outer pipe 211 of the isolation pipe 21 is sequentially increased along the direction far away from the fixing ring 213, it should be understood that the selling price of the existing cement pipe is about twenty yuan per meter, the selling price of the cement pipe through batch customization may be lower, the diameter of the outer pipe 211 of the isolation pipe 21 is sequentially increased along the direction far away from the fixing ring 213, and it can be understood that the outer pipe 211 is in a truncated cone shape, so that after the root system of the nursery stock is developed, the isolation pipe 21 can be conveniently extracted, and the purpose of recycling the isolation pipe 21 is achieved.
As a possible implementation manner of the embodiment of the present application, referring to fig. 2, a water distribution ring 22 is installed at the end of the branch pipe 13 of the second irrigation system 2, water holes are formed on the water distribution ring 22, the water distribution ring 22 is in communication with the branch pipe 13 of the second irrigation system 2, and in the installed state, the water distribution ring 22 is located in the annular gap 214 of the isolation pipe 21, which can also be understood as that the water distribution ring 22 is sleeved outside the inner pipe 212 of the isolation pipe 21.
In combination with a specific use scenario, the water distribution ring 22 can cover the bottom of the annular gap 214, when the inside of the isolation pipe 21 is immersed in water, negative pressure is formed inside the branch pipeline 13, and water inside the annular gap 214 can be quickly absorbed by the water distribution ring 22, so that the breathing environment of the root part of the seedling is improved during growth, and the survival rate of the seedling is improved.
As a possible embodiment of the present application, the plurality of main pipes 12 of the second irrigation system 2 have an angle with the horizontal plane in the installed state, and the distances between the plurality of main pipes 12 of the second irrigation system 2 and the horizontal plane sequentially increase in a direction extending away from the second water distribution station 31 in the installed state.
In combination with a specific use scenario, the installation height of the water distribution pipe 32 of the water distribution system 3 is smaller than the installation heights of the first irrigation system 1 and the second irrigation system 2, after the water distribution pump of the water distribution system 3 is turned on, water contained in the beach area 101 flows to the water distribution pipe 32 through the main pipe 12, and the plurality of main pipes 12 of the second irrigation system 2 have included angles with the horizontal plane in the installation state, so that a communicating vessel between the beach area 101 and the water distribution pipe 32 can be formed to a certain extent, so that water in the beach area 101 spontaneously flows into the water distribution pipe 32, and an operator can turn off the water distribution pump in the water distribution system 3 to save energy.
The embodiment of the application also provides a construction process of the distributed pipeline system, referring to fig. 1, using any of the distributed pipeline systems, including:
firstly, dividing the land on the river bank into a beach area 101, a side slope area 301 and a junction zone 201 between the beach area 101 and the side slope area 301, and respectively placing a first irrigation system 1, a water distribution system 3 and a second irrigation system 2 on the beach area 101, the junction zone 201 and the side slope area 301;
secondly, digging tree pits 102 required for planting saplings on the beach area 101 and the side slope area 301, burying the isolation pipes 21 in the tree pits 102 of the beach area 101 and enabling the tops of the isolation pipes 21 to be 10cm-40cm higher than the ground of the beach area 101;
finally, a groove 202 is dug in the connecting belt 201, a water distribution pipeline 32 of the water distribution system 3 is buried in the groove 202, the installation height of the water distribution pipeline is lower than the horizontal height of the bottom of the isolation pipe 21, the difference is more than 30cm, and the seedlings can be planted after the laying is completed.
It should be understood that the distance between the top of the isolation tube 21 and the ground of the tidal flat area 101 is 10cm-40cm higher than the ground of the tidal flat area 101, and that if the distance between the top of the isolation tube 21 and the ground of the tidal flat area 101 is less than 10cm, the top of the isolation tube 21 and the ground of the tidal flat area 101 tend to be at the same position, so that when the river is at the flood level, the blocking effect of the isolation tube 21 on the water flow is not obvious, and when the distance between the top of the isolation tube 21 and the ground of the tidal flat area 101 exceeds 40cm, the blocking effect of the water flow does not increase linearly with the increase of the height of the top of the isolation tube 21, so that the cost performance is not high, and it should be understood that the important point of consideration of the tidal flat area 101 is to exclude the water accumulation at the root of the nursery stock when the river is rising at the flood level, and the situation that the root is not normally breathing aerobically is avoided.
It should also be understood that the installation height of the distribution pipes is lower than the level of the bottom of the isolation pipe 21 and the difference is greater than 30cm, considering that the installation height of the distribution pipes 32 of the distribution system 3 is smaller than the installation heights of the first irrigation system 1 and the second irrigation system 2, after the distribution pumps of the distribution system 3 are turned on, the water contained in the beach area 101 flows to the distribution pipes 32 through the main pipes 12, and the main pipes 12 of the second irrigation system 2 have an included angle with the horizontal plane in the installed state, so that a communicating vessel of the beach area 101 and the distribution pipes 32 can be constructed to a certain extent, so that the water of the beach area 101 spontaneously flows into the distribution pipes 32, and the operator can turn off the distribution pumps in the distribution system 3 to save energy.
As a practical implementation manner of the embodiment of the present application, referring to fig. 4, a crushed stone layer 103 is laid at the bottom of a tree pit 102 in a beach area 101, the thickness of the crushed stone layer 103 is 10cm-15cm, a through hole is formed in the middle of the crushed stone layer 103, and the crushed stone layer 103 is located between an isolation pipe 21 and the bottom of the tree pit 102 in the beach area 101. In the normal operation of tree planting, broken stones with diameters exceeding one centimeter are not allowed in the tree pit 102, the main purpose is that the roots of the seedlings can quickly spread, but the root systems of the seedlings can quickly penetrate into the soil aquifer to take root into consideration in the planting of the trees in the beach area 101. If the root system of the seedling does not rapidly develop downwards and only stays at the surface of the floating soil to spread downwards, the seedling cannot grow for a long time in the mud flat area with a severe growth environment, and the seedling needs to be managed for a long time in order to ensure the survival rate of the seedling and the treatment effect of the mud flat area, so that the treatment cost is seriously increased.
In the embodiment of the application, the gravel layer 103 is paved at the bottom of the tree pit 102 of the beach area 101, so that the development of the root system of the seedling can be limited, the root system of the seedling can only pass through the through hole in the middle of the gravel layer 103, the root system of the seedling can rapidly develop downwards, the current management period of the seedling is shortened, and the capability of the seedling for resisting severe environments is improved, so that the survival rate of the seedling is improved.
It should be understood that the thickness of the crushed stone layer 103 is 10cm-15cm, considering that the effect of blocking the root system of the seedling is not obvious when the thickness of the crushed stone layer 103 is less than 10cm, and that it has a larger influence on the development of the root system of the seedling when it is more than 15 cm.
Further, after the isolating pipe 21 is installed, the isolating pipe 21 is filled with the same crushed stone layer 103 and the same mature soil layer 104, the crushed stone layer 103 and the same mature soil layer 104 are all annular, the crushed stone layer 103 is sleeved on the outer side of the mature soil layer 104, the thickness of the crushed stone layer 103 in the isolating pipe 21 is 5cm-10cm, and it is noted that the crushed stone layer 103 on the inner side of the pipeline 212 in the isolating pipe 21 is consistent with the crushed stone layer 103 on the bottom of the isolating pipe 21, and the plant root system is prevented from staying on the surface, so that the root system of the nursery stock is rapidly developed downwards.
It should be noted that, the crushed stone layer 103 in the embodiment of the application not only can restrict the growth track of plant root systems, but also can increase the water loss rate of soil near the root systems of the seedlings, so that water near the root systems of the seedlings can quickly permeate the inner pipeline 212, and can play a certain role in blocking soil silt.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The distributed pipeline system is characterized by comprising a first irrigation system (1), a second irrigation system (2) and a water distribution system (3), wherein the first irrigation system (1) and the second irrigation system (2) comprise a plurality of main pipelines (12) and a plurality of branch pipelines (13) respectively communicated with the main pipelines (12);
the first irrigation system (1) further comprises a first water distribution station (11), the water distribution system (3) comprises a second water distribution station (31) and water distribution pipes (32) communicated with a plurality of main pipelines (12) of the second irrigation system (2), the installation height of the water distribution pipes (32) is smaller than that of the first irrigation system (1) and the second irrigation system (2), the water distribution pipes (32) and the main pipelines (12) of the plurality of first irrigation systems (1) are communicated with the second water distribution station (31), a water distribution pump is arranged in the second water distribution station (31), the second irrigation system (2) further comprises a plurality of isolation pipes (21), annular gaps (214) are formed in the isolation pipes (21), and the tail ends of the branch pipelines (13) of the second irrigation system (2) are inserted into the isolation pipes (21);
the isolation pipe (21) comprises an inner pipe (212) and an outer pipe (211) arranged outside the inner pipe (212), the outer side of the outer pipe (211) is closed, an annular gap (214) is arranged between the inner pipe (212) and the outer pipe (211), the inner pipe (212) and the outer pipe (211) are fixedly connected through a fixed ring (213), water permeable holes are formed in the inner pipe (212) and the fixed ring (213), and the tail end of a branch pipe (13) of the second irrigation system (2) is inserted into the annular gap (214);
the diameter of the outer pipe (211) of the isolation pipe (21) increases in sequence in a direction away from the fixing ring (213).
2. A distributed pipeline system according to claim 1, wherein,
the water distribution ring (22) assembled in a ring is arranged at the tail end of the branch pipeline (13) of the second irrigation system (2), water permeable holes are formed in the water distribution ring (22), and the water distribution ring (22) is communicated with the branch pipeline (13) of the second irrigation system (2).
3. A distributed pipeline system according to claim 1 or 2, wherein,
an extension section (215) extends from one end of the outer pipeline (211) far away from the fixed ring (213) to the direction far away from the fixed ring (213).
4. A construction process of a distributed pipeline system, characterized in that a distributed pipeline system according to any one of claims 1-3 is used, comprising:
dividing the land on the river bank into a beach area (101), a side slope area (301) and a junction zone (201) between the beach area (101) and the side slope area (301), and respectively placing a first irrigation system (1), a water distribution system (3) and a second irrigation system (2) on the beach area (101), the junction zone (201) and the side slope area (301);
digging tree pits (102) on the beach area (101) and the side slope area (301), burying isolation pipes (21) in the tree pits (102) of the beach area (101) and enabling the tops of the isolation pipes (21) to be 10cm-40cm higher than the ground of the beach area (101);
a groove (202) is dug in the connecting belt (201), a water distribution pipeline (32) of the water distribution system (3) is buried in the groove (202), the mounting height of the water distribution pipeline is lower than the horizontal height of the bottom of the isolation pipe (21), and the difference is more than 30cm.
5. A construction process for a distributed pipeline system according to claim 4, wherein,
paving a gravel layer (103) at the bottom of a tree pit (102) in the mud flat area (101), wherein the thickness of the gravel layer (103) is 10cm-15cm, a through hole is formed in the middle of the gravel layer (103), and the gravel layer (103) is positioned between the isolation pipe (21) and the bottom of the tree pit (102) in the mud flat area (101).
6. A process for constructing a distributed pipeline system according to claim 5, wherein,
after the isolation pipe (21) is installed, the isolation pipe (21) is filled with the crushed stone layer (103) and the cooked soil layer (104), the crushed stone layer (103) and the cooked soil layer (104) are annular, the crushed stone layer (103) is sleeved on the outer side of the cooked soil layer (104) in a ring mode, and the thickness of the crushed stone layer (103) in the isolation pipe (21) is 5cm-10cm.
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