CN110805009B - Oxygenation anti-blocking concealed pipe drainage system and drainage method thereof - Google Patents
Oxygenation anti-blocking concealed pipe drainage system and drainage method thereof Download PDFInfo
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- CN110805009B CN110805009B CN201911038875.XA CN201911038875A CN110805009B CN 110805009 B CN110805009 B CN 110805009B CN 201911038875 A CN201911038875 A CN 201911038875A CN 110805009 B CN110805009 B CN 110805009B
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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
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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
- E02B11/005—Drainage conduits
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
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- Water Supply & Treatment (AREA)
- Agronomy & Crop Science (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses an oxygenation anti-blocking concealed pipe drainage system, which comprises a plurality of water collecting pits which are uniformly distributed in the field, wherein two adjacent water collecting pits are communicated through water collecting pipes, two opposite sides of each water collecting pit are respectively and symmetrically provided with a water suction pipe, one end of each water suction pipe is connected with the water collecting pits, the other end of each water suction pipe is communicated with a transverse air-entrapping pipeline, the two transverse air-entrapping pipelines are connected through a longitudinal air-entrapping pipeline, the longitudinal air-entrapping pipeline is connected with an electric air pump, the longitudinal air-entrapping pipeline is also provided with two general control valves, the two general control valves are symmetrically arranged on two opposite sides of the electric air pump, the joint of each water suction pipe and the water collecting pit is provided with a control valve, and each water suction; the invention also discloses an oxygenation anti-blocking concealed pipe drainage method, which solves the problem that a concealed pipe drainage system is easy to block, can improve the air permeability of crop root system soil and creates a good environment for crop growth and development.
Description
Technical Field
The invention belongs to the technical field of agricultural drainage and crop habitat regulation, relates to an oxygen-increasing anti-blocking concealed pipe drainage system, and further relates to a drainage method of the drainage system.
Background
With the large-scale popularization of water-saving irrigation technologies such as spray irrigation and drip irrigation in Xinjiang areas, open trench drainage systems cannot adapt to the existing irrigation technologies, so that the underground water level is increased seriously, and the secondary salinization of soil is serious. The underground water level can be effectively reduced by the drainage of the concealed pipe, and the underground water level can be well combined with a water-saving irrigation technology, so that the underground water level control system has very important significance for improving the drainage mode of Xinjiang areas.
At present, a corrugated plastic pipe with holes is mostly adopted in a concealed pipe drainage system as a water suction pipe, and the water suction pipe is buried in deeper soil, for example, a filter material wrapped outside a pipeline is improperly arranged or the water suction pipe is arranged in a place with a heavy soil silting tendency, the blockage of the holes and the silting of the pipeline are very easy to occur, the drainage capacity of the pipeline is greatly reduced, even the hidden drainage pipe fails, and the maintenance cannot be carried out. Meanwhile, the field waterlogging can not be discharged in time, thus seriously affecting the air permeability of the soil and greatly deteriorating the growth environment of the crops.
Disclosure of Invention
The invention aims to provide an oxygenation anti-blocking concealed pipe drainage system, which solves the problem that a concealed pipe drainage system is easy to block, can improve the ventilation of soil of a crop root system and creates a good environment for the growth and development of crops.
The invention also provides a drainage method of the oxygen-increasing anti-blocking concealed pipe.
The invention adopts a first technical scheme that the oxygen-increasing anti-blocking concealed pipe drainage system comprises a plurality of water collecting pits which are uniformly distributed in the field, wherein two adjacent water collecting pits are communicated through water collecting pipes, water suction pipes are symmetrically arranged on two opposite sides of each water collecting pit respectively, one end of each water suction pipe is connected with the water collecting pits, the other end of each water suction pipe is communicated with a transverse air-entrapping pipeline, the two transverse air-entrapping pipelines are connected through a longitudinal air-entrapping pipeline, an electric air pump is connected to the longitudinal air-entrapping pipeline, two general control valves are further arranged on the longitudinal air-entrapping pipeline, the two general control valves are symmetrically arranged on two opposite sides of the electric air pump, a control valve is arranged at the joint of each water suction pipe and the water collecting pits, and water suction holes are uniformly distributed on each;
the water collecting pit positioned at the most downstream of the field is connected with a water drainage pipe which is communicated with a drainage ditch;
when the water suction pipes are arranged in the field, the height of the pipe orifice connecting the water suction pipes and the water collecting pit is lower than that of the pipe orifice connecting the water suction pipes and the transverse air-entrapping pipeline.
The first technical solution adopted by the present invention is also characterized in that,
the water suction pipe adopts a plastic pipe with the diameter of 10-20 cm.
The water collecting pipe, the longitudinal air-entrapping pipeline and the transverse air-entrapping pipeline are made of PVC pipes with the diameter of 20-30 cm.
The electric air pump adopts an adjustable air pump with the pressure range of 0.6-20 Mpa.
When the water suction pipes are arranged in the field, in order to ensure that water flow in the water suction pipes can be automatically discharged, the longitudinal slope gradient of the water suction pipes is set to be 1/100-1/1500.
The electric air pump is positioned in the middle of the longitudinal air-entrapping pipeline.
The second technical scheme adopted by the invention is that the oxygen-increasing anti-blocking concealed pipe drainage method specifically comprises the following processes:
when water is drained, the control valves are in an open state, redundant water in field soil enters the water suction pipes which are uniformly distributed in the field through the water suction holes and is gathered towards the water collection pit under the action of gravity, and when the water level in the water collection pit is higher than that of the water collection pipe, water flow automatically flows to the downstream water collection pit and finally flows into the drainage ditch through the drainage pipe;
when silting occurs in the water suction pipe, the electric air pump is started to add air into the longitudinal air adding pipeline, the master control valve is used for dividing pressure to control the pressure in the transverse air adding pipeline, and the opening of each control valve is adjusted to control the pressure in the water suction pipe in the desilting process;
the sludge in the suction pipe moves to the sump under the impact of the air pressure, and the sludge is treated after being settled in the sump.
The second technical solution adopted by the present invention is also characterized in that,
when the water suction pipe is clogged, the air pressure of the electric air pump is controlled to be 8-12 Mpa.
When the hole of the water suction pipe is blocked, all the control valves are closed, the electric air pump is opened and the air pressure is adjusted, the pressure of the electric air pump is controlled within the range of 5-8Mpa, and the blocking object in the water suction hole is flushed away under the action of the air pressure, so that the normal work of a drainage system is ensured, and when the desilting and desilting work is finished, the electric air pump is closed, all the control valves are opened, and the drainage system enters a normal drainage state.
When the soil ventilation is poor, dredging and dredging are firstly carried out on the water suction pipes and the water suction holes to ensure the aeration effect, then all control valves are closed, the electric air pump is opened to adjust the air pressure, the air pressure of the electric air pump is controlled within 3-5Mpa at the moment, the aeration time is 0.5-1h, the air pressure is uniformly distributed into all the water suction pipes through the transverse aeration pipelines, the air in the water suction pipes continuously enters the soil through the holes and is transmitted to the field through soil pores, the moisture condition of the soil is adjusted, the soil ventilation is improved, the electric air pump is closed when the aeration work is finished, all the control valves are opened, and the normal drainage state is achieved.
The oxygen-increasing anti-blocking concealed pipe drainage system has the beneficial effects that the normal drainage is ensured, the moisture condition of the soil at the rhizosphere of crops is adjusted, and good environmental conditions are created for the growth of the crops. When the water suction pipe is blocked, the pipeline can be desilted by air pressure, so that the problem that the pipeline cannot be desilted when the drainage pipeline is blocked is well solved.
Drawings
FIG. 1 is a field layout view of an oxygen-increasing anti-blocking concealed pipe drainage system of the invention;
FIG. 2 is a longitudinal sectional view of the oxygen-increasing anti-blocking concealed pipe drainage system of the present invention.
In the figure, the water suction pipe 1, the water suction hole 2, the water collection pipe 3, the water collection pit 4, the control valve 5, the electric air pump 6, the main control valve 7, the longitudinal air-entrapping pipeline 8, the transverse air-entrapping pipeline 9, the water discharge pipe 10 and the water discharge ditch 11 are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses an oxygenation anti-blocking concealed pipe drainage system which is structurally shown in figures 1 and 2 and comprises a concealed pipe drainage system and an aeration oxygenation system, and mainly comprises a water suction pipe 1, a water collecting pipe 3, a water collecting pit 4, a drainage pipe 10, a drainage ditch, an electric air pump 6, a longitudinal aeration pipeline 8, a transverse aeration pipeline 9 and a control valve 5.
The water suction pipe 1 is made of a corrugated plastic pipe with holes and the diameter of 10-20cm, the water collecting pipe 3, the longitudinal air-entrapping pipeline 8 and the transverse air-entrapping pipeline 9 are made of PVC pipes with the diameter of 20-30cm, the electric air pump 6 is an adjustable air pump with the pressure range of 0.6-20Mpa, the control valve 5 is an automatic single-clamp gate valve, and the electric air pump 6 and the control valve 5 are uniformly powered by a solar power supply system.
The water suction pipes 1 are uniformly distributed in the field, and the requirement of drainage of the field is met to the greatest extent. The soil stagnant water enters the water collecting pit 4 through the water suction pipe 1, silt in the water is precipitated to the bottom of the water collecting pit 4, and when the water level in the water collecting pit 4 reaches the height of the water collecting pipe 3, water flows to the downstream water collecting pit 4 to be collected and finally flows into the drainage ditch 11 through the drainage pipe 10. In order to ensure that the water flow in the suction pipe 1 can be automatically discharged, the longitudinal slope ratio drop is set within the range of 1/100-1/1500.
The diameter of the water suction pipe 1 is generally equal to that of the air-entrapping pipeline, and the water suction pipe and the air-entrapping pipeline are connected by adopting an equal-diameter tee joint. The air-entrapping pipeline is divided into a transverse air-entrapping pipeline 9 and a longitudinal air-entrapping pipeline 8 according to the arrangement direction, the tail end of the water suction pipe 1 is directly connected with the transverse air-entrapping pipeline 9 and then connected with the electric air pump 6 through the longitudinal air-entrapping pipeline 8, the head end of the water suction pipe 1 is intersected with the water collection pipe 3 at the water collection pit 4, and the control valve 5 is arranged at the connection position of the water suction pipe 1 and the water collection pit 4.
The longitudinal gas-filling pipeline 8 is provided with a master control valve 7, so that the control and regulation of the pipeline pressure can be well realized.
The aeration oxygenation system is added on the basis of the concealed conduit drainage system, and in the period of non-drainage, the electric air pump is used for aerating the drainage concealed conduit, so that soil air can be increased and the soil ventilation can be improved, and on the other hand, the pipeline can be desilted by utilizing air pressure, and the function of the drainage system is enriched.
The invention relates to an oxygenation anti-blocking concealed pipe drainage method, which comprises the following specific processes: when water is drained, the control valve 5 at the head end of each water suction pipe 1 is in an open state, redundant water in soil enters the water suction pipes 1 which are uniformly distributed in the field through the water suction holes 2 and is gathered towards the water collection pit 4 under the action of gravity, and when the water level in the water collection pit 4 is higher than that of the water collection pipe 3, water flow automatically flows to the downstream water collection pit 4 and finally flows into the drainage ditch 11 through the drainage pipe 10;
when the water suction pipe 1 is blocked, the electric air pump 6 is opened to add air into the longitudinal air adding pipeline 8, the air pressure of the electric air pump 6 is controlled within the range of 8-12Mpa, the master control valve 7 is used for dividing pressure, the pressure in the transverse air adding pipeline 9 is controlled, and the pressure in the water suction pipe 1 can be controlled by adjusting the opening degree of each control valve 5 in the dredging process;
under the impact of air pressure, the sludge in the water suction pipe 1 moves into the water collection pit 4, and the sludge is treated after being precipitated in the water collection pit 4;
when the siltation is serious, the air pressure of the electric air pump 6 can be adjusted, pulse type air flow with the frequency of 30 times per minute is generated in the air charging pipeline, the maximum pressure of the pulse type air flow is 15Mpa, and the minimum air pressure is 5 Mpa;
meanwhile, the air pressure in each suction pipe 1 can be distributed by adjusting the number of the control valves 5 to be opened, so that the dredging effect is enhanced.
When the hole 2 of the suction pipe is blocked, all the control valves 5 are closed, the electric air pump 6 is opened and the air pressure is adjusted, the pressure is controlled within the range of 5-8Mpa, and the blocking objects in the hole of the suction pipe 1 are flushed away under the action of the air pressure, so that the normal work of a drainage system is ensured.
When the desilting and blockage removing work is finished, the electric air pump 6 is closed, all the control valves 5 are opened, and the system enters a normal drainage state.
When the soil ventilation is poor, dredging and dredging are firstly carried out on the water suction pipes 1 and the holes 2 according to the previous steps to ensure the aeration effect, then all the control valves 5 are closed, the electric air pump 6 is opened and the air pressure is adjusted, at the moment, the air pressure is not too high and is controlled within the range of 3-5Mpa, the aeration time is controlled within 0.5-1h, the air pressure is uniformly distributed into the water suction pipes 1 through the transverse aeration pipelines 9, the air in the pipelines continuously enters the soil through the holes 2 and is transmitted to the field through soil pores, the moisture condition of the soil is adjusted, and the soil ventilation is improved. And when the air-entrapping and oxygen-increasing work is finished, the electric air pump 6 is closed, all the control valves 5 are opened, and the system enters a normal drainage state.
The oxygen-increasing anti-blocking concealed pipe drainage system has the characteristics that the functions of the concealed pipe drainage system are enriched, the problem of concealed pipe drainage silting and blocking is well solved, meanwhile, the water-gas condition of soil can be adjusted, the dissolved oxygen of crop rhizosphere is increased, and good conditions are created for crop growth and development while the requirement of farmland drainage is met.
Claims (5)
1. The utility model provides an stifled hidden pipe drainage system is prevented in oxygenation which characterized in that: the device comprises a plurality of water collecting pits which are uniformly distributed in the field, wherein two adjacent water collecting pits are communicated through water collecting pipes, two opposite sides of each water collecting pit are respectively and symmetrically provided with a water suction pipe, one end of each water suction pipe is connected with the water collecting pits, the other end of each water suction pipe is communicated with a transverse air-entrapping pipeline, the two transverse air-entrapping pipelines are connected through a longitudinal air-entrapping pipeline, the longitudinal air-entrapping pipeline is connected with an electric air pump, the longitudinal air-entrapping pipeline is also provided with two general control valves, the two general control valves are symmetrically arranged on two opposite sides of the electric air pump, the connection part of each water suction pipe and the water collecting pits is provided with a control valve, and water;
the water collecting pit positioned at the most downstream of the field is connected with a water drainage pipe which is communicated with a drainage ditch;
when the water suction pipes are arranged in the field, the height of the pipe orifice connecting the water suction pipes and the water collecting pit is lower than that of the pipe orifice connecting the water suction pipes and the transverse air-entrapping pipeline;
the water suction pipe is a plastic pipe with the diameter of 10-20 cm;
the water collecting pipe, the longitudinal air-entrapping pipeline and the transverse air-entrapping pipeline are made of PVC pipes with the diameter of 20-30 cm;
the electric air pump adopts an adjustable air pump with the pressure range of 0.6-20 Mpa;
when the water suction pipes are arranged in the field, in order to ensure that water flow in the water suction pipes can be automatically discharged, the longitudinal slope gradient of the water suction pipes is set to be 1/100-1/1500;
the electric air pump is positioned in the middle of the longitudinal air-entrapping pipeline.
2. The drainage method of the oxygen-increasing and anti-blocking concealed pipe drainage system according to claim 1, characterized in that: the method specifically comprises the following steps:
when water is drained, the control valves are in an open state, redundant water in field soil enters the water suction pipes which are uniformly distributed in the field through the water suction holes and is gathered towards the water collection pit under the action of gravity, and when the water level in the water collection pit is higher than that of the water collection pipe, water flow automatically flows to the downstream water collection pit and finally flows into the drainage ditch through the drainage pipe;
when silting occurs in the water suction pipe, the electric air pump is started to add air into the longitudinal air adding pipeline, the master control valve is used for dividing pressure to control the pressure in the transverse air adding pipeline, and the opening of each control valve is adjusted to control the pressure in the water suction pipe in the desilting process;
the sludge in the suction pipe moves to the sump under the impact of the air pressure, and the sludge is treated after being settled in the sump.
3. The oxygen-increasing anti-blocking concealed pipe drainage method according to claim 2, characterized in that: when the water suction pipe is clogged, the air pressure of the electric air pump is controlled to be 8-12 Mpa.
4. The oxygen-increasing anti-blocking concealed pipe drainage method according to claim 2, characterized in that: when the hole of the water suction pipe is blocked, all the control valves are closed, the electric air pump is opened and the air pressure is adjusted, the pressure of the electric air pump is controlled within the range of 5-8Mpa, and the blocking object in the water suction hole is flushed away under the action of the air pressure, so that the normal work of a drainage system is ensured, and when the desilting and desilting work is finished, the electric air pump is closed, all the control valves are opened, and the drainage system enters a normal drainage state.
5. The oxygen-increasing anti-blocking concealed pipe drainage method according to claim 2, characterized in that:
when the soil ventilation is poor, dredging and dredging are firstly carried out on the water suction pipes and the water suction holes to ensure the aeration effect, then all control valves are closed, the electric air pump is opened to adjust the air pressure, the air pressure of the electric air pump is controlled within 3-5Mpa at the moment, the aeration time is 0.5-1h, the air pressure is uniformly distributed into all the water suction pipes through the transverse aeration pipelines, the air in the water suction pipes continuously enters the soil through the holes and is transmitted to the field through soil pores, the moisture condition of the soil is adjusted, the soil ventilation is improved, the electric air pump is closed when the aeration work is finished, all the control valves are opened, and the normal drainage state is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038875.XA CN110805009B (en) | 2019-10-29 | 2019-10-29 | Oxygenation anti-blocking concealed pipe drainage system and drainage method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911038875.XA CN110805009B (en) | 2019-10-29 | 2019-10-29 | Oxygenation anti-blocking concealed pipe drainage system and drainage method thereof |
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| CN110805009A CN110805009A (en) | 2020-02-18 |
| CN110805009B true CN110805009B (en) | 2021-02-12 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201056683Y (en) * | 2007-05-09 | 2008-05-07 | 山东大学 | Quasi good oxygen permeation trench |
| CN104499467B (en) * | 2014-11-26 | 2016-02-17 | 烟台大学 | A kind of field drainage aerating system and embedded device |
| US20170252714A1 (en) * | 2016-03-02 | 2017-09-07 | Tyler Bennett | Gas infusion systems for liquids and methods of using the same |
| CN106358477A (en) * | 2016-08-30 | 2017-02-01 | 山东胜伟园林科技有限公司 | Sand discharging and sand controlling system of secondary saline and alkaline land of Hetao irrigation area |
| CN211113536U (en) * | 2019-10-29 | 2020-07-28 | 西安理工大学 | Field drainage device convenient to desilting |
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