CN105586859A - Integral irrigation and drainage pipe system of saline-alkali soil farmland and construction method - Google Patents
Integral irrigation and drainage pipe system of saline-alkali soil farmland and construction method Download PDFInfo
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- CN105586859A CN105586859A CN201610103549.2A CN201610103549A CN105586859A CN 105586859 A CN105586859 A CN 105586859A CN 201610103549 A CN201610103549 A CN 201610103549A CN 105586859 A CN105586859 A CN 105586859A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
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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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- 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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to an integral irrigation and drainage pipe system of a saline-alkali soil farmland. The system is characterized in that an irrigation pipe (3) is inserted in a drainage pipe (2) to integrate a main pipe of integral farmland drainage water collection pipes and water transmission pipes; prefabricated concrete four-way anchor blocks (4) are arranged on the main pipe in a segmented manner; the other two opposite ends of the prefabricated concrete four-way anchor blocks (4) are respectively in butt joint with drainage pipes (2) of branch pipes and irrigation pipes (3) to integrate branch pipes of integral farmland drainage water collection pipe and water transmission pipe; prefabricated concrete three-way anchor blocks (6) are arranged on all the branch pipes at intervals; water supply vertical pipes (21) are arranged in water supply vertical pipe passing holes (1) of the prefabricated concrete three-way anchor blocks (6); and hydrants (5) are mounted on the water supply vertical pipes (21). The system realizes sleeving installation of two sets of pipe networks, improves the use coefficient of irrigation water, is better in drainage and dirt reduction effects, and is better in ecological and economical benefits in improvement of salinization farmlands.
Description
Technical field
The invention belongs to Agricultural Water-Soil Engineering technical field and soil improvement technical field, relate in particular to the integrated irrigation and drainage pipe-line system in farmland, a kind of salt-soda soil and construction method.
Background technology
In alkaline land improving and the construction of salt-soda soil farmland water conservancy works, press salt, draining for crop irrigation, irrigation and fall stain, generally need to bury underground respectively and irrigate pressure pipeline, closed drain (oozing pipe). Irrigation conduit is for irrigating and press salt, and drainage pipeline is used for, except underground water, reducing too high level of ground water. Irrigation conduit is different with drainage pipeline tubing used, buried depth difference, caliber difference (drainage pipeline caliber is large), buried depth are not equal, irrigation conduit belongs to pressure pipe, drainage pipeline belongs to non pressure pipe, causes irrigation pipe system and sewerage system all arranged apart, moves separate. Field pipeline density is larger, has both affected farming, has increased again pipe canal digging amount and occupation of land, excavates drainage pipeline irrigation canals and ditches darker when construction, also easily will have irrigation conduit and destroy.
Summary of the invention
The present invention, according to the in esse problem of salt-soda soil farm field irrigation drainage, has proposed a kind of design and establishing construction method of brand-new irrigation and drainage integral pipe system. Realizing the technical solution used in the present invention is: the integrated irrigation and drainage pipe-line system in farmland, a kind of salt-soda soil, include iirigation water source, drainage pipeline, irrigation conduit, drain valve and gutter, it is characterized in that: irrigation conduit is installed in drainage pipeline, between irrigation conduit and drainage pipeline, be provided with permeable support ring, permeable support ring is provided with support ring permeable hole, described drainage pipeline, with water seepage hole, is integrated into the main pipeline of the integrated draining collector pipe in farmland and water-supply-pipe; Subsection setup precast concrete four-way anchor block on main pipeline, precast concrete four-way anchor block, inside be provided with the outer hole of four-way endoporus and four-way, drainage pipeline on main pipeline and irrigation conduit are docked on the outer hole of four-way and four-way endoporus of opposite end on precast concrete four-way anchor block, on precast concrete four-way anchor block, branch pipe(tube) drainage pipeline and irrigation conduit are docked respectively in relative two ends in addition, are integrated into the branch pipe(tube) of the integrated draining collector pipe in farmland and water-supply-pipe; On described each branch pipe(tube), interval arranges precast concrete threeway anchor block, in precast concrete threeway anchor block, be provided with the outer hole of threeway endoporus and threeway, drainage pipeline and irrigation conduit are docked on the outer hole of threeway and threeway endoporus of opposite end on precast concrete threeway anchor block, another branch road of precast concrete threeway anchor block is provided with water supply riser and passes through hole, water supply riser, by water supply riser is set on hole, is installed hydrant on water supply riser. Described permeable support ring is roller shape, and the two-wheeled of roller is along the upper support ring permeable hole that relatively has. Described precast concrete four-way anchor block is made up of four-way member upper body and precast concrete four-way anchor block lower body. Described precast concrete threeway anchor block is made up of precast concrete threeway anchor block upper body and precast concrete threeway anchor block lower body; Be convenient to installation. Described irrigation conduit utilizes PVC or PE tubing to make; Described drainage pipeline utilization has the bellows of seepage hole or permeable concrete pipe to make. Irrigation conduit and drainage pipeline are nested together, and only take the space in drainage pipeline. By annexes such as supporting permeable support ring, precast concrete feedwater threeway member, point water threeway, four-way member, hydrants, realize a set of pipe-line system and realize salt-soda soil crop irrigation, large hydraulic pressure salt, draining and fall the composite request of stain.
Irrigation conduit of the present invention is placed in the drainage pipeline with water seepage hole, realizes irrigation and drainage integrated design by permeable support ring, precast concrete four-way anchor block, precast concrete threeway anchor block, hydrant, drain valve etc. Have in the drainage pipeline of infiltration architecture, the irrigation conduit that permeable support ring has been installed is inserted, permeable support ring can be fixed on irrigation conduit in the middle of drainage pipeline, space between irrigation conduit outer wall and drainage pipeline inwall is used for holding soil infiltration, crosses water flow further downstream by permeable support ring. When irrigation major trunk roads need to divide water to Zhi Gandao, for the ease of connecting, be specially provided with precast concrete four-way anchor block and precast concrete threeway anchor block, both the fixing drainage pipeline of effect and the irrigation conduit of anchor block can have been played, again can be by the draining downstream of inner osculum, thus realize a method that pipe alley is laid dual-purpose pipeline.
The present invention will irrigate low pressure pipeline system and the integrated layout of sewerage system, realize two sleeve pipe nets and be fitted together, and be embedded in same pipe alley, can effectively reduce salt-soda soil pipeline density, reduce engineering volume of earthwork, save soil; Be conducive to reduce investment, improve and irrigate and drainage effect; (3) pipeline irrigation canals and ditches route is more easily followed the tracks of, and more easily pinpoints the problems once damage; Water efficiency of irrigation improves, and stain better effects if falls in draining, and to salinized farmland, improvement has better ecology, economic benefit.
Brief description of the drawings
Fig. 1 is that row's integral tube net system schematic diagram is filled with in salt-soda soil;
Fig. 2 is the row's of filling integrated pipeline water delivery drainage works schematic diagram;
Fig. 3 is permeable support ring schematic diagram in drainpipe;
Fig. 4 is precast concrete threeway anchor block structural representation;
Fig. 5 is the sectional structure schematic diagram of precast concrete threeway anchor block;
Fig. 6 is precast concrete four-way anchor block structural representation;
Fig. 7 buries schematic diagram underground for filling with discharge pipe.
In figure: 1, iirigation water source, 2, drainage pipeline, 3, irrigation conduit, 4, precast concrete four-way anchor block, 5, hydrant, 6, precast concrete threeway anchor block, 7, permeable support ring, 8, support ring permeable hole, 9, four-way endoporus, 10. the outer hole of four-way, 11, water supply riser passes through hole, 12, precast concrete four-way anchor block upper body, 13, precast concrete four-way anchor block lower body, 14, geotextiles, 15, medium sand pervious bed, 16, undisturbed soil, 17, drain valve, 18, gutter, 19, threeway endoporus, 20, the outer hole of threeway, 21, water supply riser, 22, precast concrete threeway anchor block upper body, 23, precast concrete four-way anchor block lower body.
Detailed description of the invention
With reference to accompanying drawing, the integrated irrigation and drainage pipe-line system in a kind of farmland, salt-soda soil, include iirigation water source 1, drainage pipeline 2, irrigation conduit 3, drain valve 17 and gutter 18, it is characterized in that: irrigation conduit 3 is installed in drainage pipeline 2, between irrigation conduit 3 and drainage pipeline 2, be provided with permeable support ring 7, permeable support ring 7 is provided with support ring permeable hole 8, and described drainage pipeline 2, with water seepage hole, is integrated into the main pipeline of the integrated draining collector pipe in farmland and water-supply-pipe; Subsection setup precast concrete four-way anchor block 4 on main pipeline, in precast concrete four-way anchor block 4, be provided with the outer hole 10 of four-way endoporus 9 and four-way, drainage pipeline 2 on main pipeline and irrigation conduit 3 are docked on the outer hole 10 of four-way and four-way endoporus 9 of opposite end on precast concrete four-way anchor block 4, on precast concrete four-way anchor block 4, branch pipe(tube) drainage pipeline 2 and irrigation conduit 3 are docked respectively in relative two ends in addition, are integrated into the branch pipe(tube) of the integrated draining collector pipe in farmland and water-supply-pipe; On described each branch pipe(tube), interval arranges precast concrete threeway anchor block 6, in precast concrete threeway anchor block 6, be provided with the outer hole 20 of threeway endoporus 19 and threeway, drainage pipeline 2 and irrigation conduit 3 are docked on the outer hole 20 of threeway and threeway endoporus 19 of opposite end on precast concrete threeway anchor block 6, another branch road of precast concrete threeway anchor block 6 is provided with water supply riser by hole 11, water supply riser, by water supply riser 21 is set on hole 11, is installed hydrant 5 on water supply riser 21. Described permeable support ring 7 is roller shape, and the two-wheeled of roller is along the upper support ring permeable hole 8 that relatively has. Described precast concrete four-way anchor block is made up of precast concrete four-way anchor block upper body 12 and precast concrete four-way anchor block lower body 13. Described precast concrete threeway anchor block 6 is made up of precast concrete threeway anchor block upper body 22 and precast concrete threeway anchor block lower body 23; Be convenient to installation. Described irrigation conduit 3 utilizes PVC or PE tubing to make; Described drainage pipeline 2 utilizes has the bellows of seepage hole or permeable concrete pipe to make. Irrigation conduit 3 and drainage pipeline 2 are nested together, and only take the space in drainage pipeline. By annexes such as supporting permeable support ring, precast concrete feedwater threeway member, point water threeway, four-way member, hydrants, realize a set of pipe-line system and realize salt-soda soil crop irrigation, large hydraulic pressure salt, draining and fall the composite request of stain.
Irrigation conduit 3 of the present invention is placed in the drainage pipeline 2 with water seepage hole, realizes irrigation and drainage integrated design by permeable support ring 7, precast concrete four-way anchor block 4, precast concrete threeway anchor block 6, hydrant 5, drain valve 17 etc. Have in the drainage pipeline 2 of infiltration architecture, the irrigation conduit that permeable support ring 7 has been installed is inserted, permeable support ring 7 can be fixed on irrigation conduit 3 in the middle of drainage pipeline 2, space between irrigation conduit 3 outer walls and drainage pipeline 2 inwalls is used for holding soil infiltration, crosses water flow further downstream by permeable support ring 7. When irrigation main pipeline need to divide water to branch pipe(tube), for the ease of connecting, be specially provided with precast concrete four-way anchor block 4 and precast concrete threeway anchor block 6, both the fixing drainage pipeline 2 of effect and the irrigation conduit 3 of anchor block can have been played, again can be by the draining downstream of inner osculum, thus realize a method that pipe alley is laid dual-purpose pipeline. The permeability rate of described drainage pipeline 2 requires processing osculum according to general closed drainage, generally reaches the more than 20% of surface area, generally adopts bellows, more than pipe diameter should adopt 160mm. The general standard PVC pipeline that adopts of irrigation conduit 3, arm diameter is generally than the little 1-2 of closed drain centimetre. For irrigation conduit can be easily installed in drainage pipeline, generally compared with large two normal diameters of irrigation conduit 3 diameters, (general standard irrigation conduit caliber is φ 110, φ 125, φ 160 and above caliber to drainage pipeline 2, corresponding drainage pipe diameter is φ 160, φ 180, φ 200 etc., upwards increases progressively successively). Precast concrete four-way anchor block 4 and precast concrete threeway anchor block 6, different from general pipeline anchor block is, anchor block had both played fixed-piping, had prevented the effect that pipeline moves, in it, be provided with four-way member and threeway member that irrigation conduit is used, played place irrigate threeway, four-way pipe fitting, connecting pipe, by the effect of draining. Anchor block is divided into lower body, convenient four-way and threeway are placed wherein, internal orifice dimension can with irrigation threeway close contact. Have two diameters different pass through hole, endoporus passes irrigation conduit, the recessed 3cm-5cm of the upper and lower external surface of outer boring ratio, and diameter is identical with closed drain external diameter, make drainage pipeline just in time be stuck in anchor block outer radius, and by the osculum that sets in advance by drainage in downstream.
A kind of integrated irrigation and drainage pipe-line system in farmland, salt-soda soil and construction method, is characterized in that: construction method is as follows:
One, calculate Sewer Line Distribution spacing and buried depth according to Underground Water in Salinization Area buried depth and drainage requirement, drainage pipeline 2 buried depths are in 1.8m, drainage pipeline 2 is punching bellows or permeable concrete pipe, the medium sand pervious bed 15 of drainage pipeline 2 external application geotextiles 14 and 20cm thickness, as loaded filter, on medium sand pervious bed 15, be undisturbed soil 16 backfills, the gradient of pipe laying declines according to water drain flow path direction, arm gradient is slightly large, supervisor's gradient is slightly little, gradient is within the scope of 1/2000-1/500, and the depth of burying is according to level of ground water and the requirement of row's stain; Irrigation conduit 3 is not subject to the impact of the depth of burying; After iirigation water source 1 water lift, carry out water conveyance irrigation through irrigation conduit 3, pipeline does not increase the loss of flood peak because of buried depth;
Two, when irrigation conduit 3 is sleeved in drainage pipeline 2, permeable support ring 7 is enclosed within to irrigation conduit 3 outsides, pierces in drainage pipeline 2, when in drainage pipeline 2 when draining, by permeable support ring permeable hole 8 Flows downstream;
Three, according to irrigating requirement, on main pipeline, interval 50-100m arranges a precast concrete four-way anchor block 4, on precast concrete four-way anchor block 4, build branch pipe(tube), on branch pipe(tube), every 50-100m, a precast concrete threeway anchor block 6 is set, the feedwater of precast concrete threeway anchor block 6 is by arranging water supply riser 21 on hole 11, hydrant 5 is installed on water supply riser 21, and the pattern of hydrant 5 can freely be selected extensive stock model, and irrigation conduit water delivery meets the requirement of large hydraulic pressure salt simultaneously; The water supply riser 21 of irrigation conduit is installed in advance, and above ground level, after irrigation canals and ditches landfill, hydrant 5 is installed;
Four, run into and irrigate supervisor while dividing situation to supervisor's charge for remittance of water or branch drain to arm, or while needing fixed-piping, utilize precast concrete threeway member 6 or precast concrete four-way member 4 to connect, drainage pipeline 2 socket joints 20 places, hole outside hole 10 or threeway outside four-way, irrigation conduit 3 socket joints are at four-way endoporus 9 or threeway endoporus 19 places;
Five, drainage pipeline 2 finally leads to draining shaft or gutter 18, utilizes drain valve 17 draining in the winter time of irrigation conduit 3 ends simultaneously; The drain valve 17 of irrigation conduit 3 can with drainage pipeline 2 combinations, by utilizing drainage pipeline 2 that water is drained into draining shaft or gutter 18 after draining valve pit charge for remittance;
Six, precast concrete four-way anchor block 4, precast concrete threeway anchor block 6 is all divided into upper body part and lower body part, utilize concreting Mold Making, while burying underground, according to construction requirement, first dig out anchor block hole, cast-in-place C20 concrete 10cm, and precast concrete four-way anchor block lower body 13 and precast concrete threeway anchor block lower body 23 are separately fixed on cast in situ concrete foundation, irrigation conduit 3 is docked at respectively on four-way endoporus 9 and threeway endoporus 19, drainage pipeline 2 is docked at respectively on the outer hole 10 of four-way and the outer hole 20 of threeway, precast concrete four-way anchor block upper body 12 and precast concrete threeway anchor block upper body 22 are butted up against respectively on precast concrete four-way anchor block lower body 13 and precast concrete threeway anchor block lower body 23, make lower body draw-in groove clamping on it, can not move, outer hole is connected with drainage pipeline closely,
Seven, according to piping laying construction requirement, meet the requirement of pipeline preventing freeze in winter, geotextiles is installed, lays permeable sand, landfill undisturbed soil.
Claims (5)
1. the integrated irrigation and drainage pipe-line system in farmland, a salt-soda soil, include iirigation water source (1), drainage pipeline (2), irrigation conduit (3), drain valve (17) and gutter (18), it is characterized in that: irrigation conduit (3) is installed in drainage pipeline (2), between irrigation conduit (3) and drainage pipeline (2), be provided with permeable support ring (7), permeable support ring (7) is provided with support ring permeable hole (8), described drainage pipeline (2), with water seepage hole, is integrated into the main pipeline of the integrated draining collector pipe in farmland and water-supply-pipe; Subsection setup precast concrete four-way anchor block (4) on main pipeline, in precast concrete four-way anchor block (4), be provided with the outer hole (10) of four-way endoporus (9) and four-way, drainage pipeline (2) on main pipeline and irrigation conduit (3) are docked on the outer hole (10) of four-way and four-way endoporus (9) of the upper opposite end of precast concrete four-way anchor block (4), drainage pipeline (2) and the irrigation conduit (3) of branch pipe(tube) docked respectively at the upper relative two ends in addition of precast concrete four-way anchor block (4), is integrated into the branch pipe(tube) of the integrated draining collector pipe in farmland and water-supply-pipe; On described each branch pipe(tube), interval arranges precast concrete threeway anchor block (6), in precast concrete threeway anchor block (6), be provided with the outer hole (20) of threeway endoporus (19) and threeway, drainage pipeline (2) and irrigation conduit (3) are docked on the outer hole (20) of threeway and threeway endoporus (19) of the upper opposite end of precast concrete threeway anchor block (6), another branch road of precast concrete threeway anchor block (6) is provided with water supply riser by hole (11), water supply riser is by water supply riser (21) is set on hole (11), and water supply riser (21) is above installed hydrant (5).
2. according to the integrated irrigation and drainage pipe-line system in farmland, salt-soda soil claimed in claim 1, it is characterized in that: described permeable support ring (7) is roller shape, and the two-wheeled of roller is along the upper support ring permeable hole (8) that relatively has.
3. according to the integrated irrigation and drainage pipe-line system in farmland, salt-soda soil claimed in claim 1, it is characterized in that: described precast concrete four-way anchor block is made up of precast concrete four-way anchor block upper body (12) and precast concrete four-way anchor block lower body (13), described precast concrete threeway anchor block (6) is made up of precast concrete threeway anchor block upper body (22) and precast concrete threeway anchor block lower body (23); Be convenient to installation.
4. according to the integrated irrigation and drainage pipe-line system in farmland, salt-soda soil claimed in claim 1, it is characterized in that: described irrigation conduit (3) utilizes PVC or PE tubing to make; The utilization of described drainage pipeline (2) has the bellows of seepage hole or permeable concrete pipe to make.
5. the integrated irrigation and drainage pipe-line system in farmland, salt-soda soil and a construction method, is characterized in that: construction method is as follows:
One, calculate Sewer Line Distribution spacing and buried depth according to Underground Water in Salinization Area buried depth and drainage requirement, drainage pipeline (2) buried depth is in 1.8m, drainage pipeline (2) is punching bellows or permeable concrete pipe, the medium sand pervious bed (15) of drainage pipeline (2) external application geotextiles (14) and 20cm thickness, as loaded filter, medium sand pervious bed (15) is upper is undisturbed soil (16) backfill, the gradient of pipe laying declines according to water drain flow path direction, arm gradient is slightly large, supervisor's gradient is slightly little, gradient is within the scope of 1/2000-1/500, the depth of burying is according to level of ground water and the requirement of row's stain, irrigation conduit (3) is not subject to the impact of the depth of burying, after iirigation water source (1) water lift, carry out water conveyance irrigation through irrigation conduit (3), pipeline does not increase the loss of flood peak because of buried depth,
Two, when irrigation conduit (3) is sleeved in drainage pipeline (2), permeable support ring (7) is enclosed within to irrigation conduit (3) outside, pierce in drainage pipeline (2), in the time of the middle draining of drainage pipeline (2), by permeable support ring permeable hole (8) Flows downstream;
Three, according to irrigating requirement, on main pipeline, interval 50-100m arranges a precast concrete four-way anchor block (4), at the upper branch pipe(tube) that builds of precast concrete four-way anchor block (4), on branch pipe(tube), every 50-100m, a precast concrete threeway anchor block (6) is set, the feedwater of precast concrete threeway anchor block (6) is by arranging water supply riser (21) on hole (11), the upper hydrant (5) of installing of water supply riser (21), the pattern of hydrant (5) can freely be selected extensive stock model, and irrigation conduit water delivery meets the requirement of large hydraulic pressure salt simultaneously; The water supply riser (21) of irrigation conduit is installed in advance, and above ground level, after irrigation canals and ditches landfill, hydrant (5) is installed;
Four, run into and irrigate supervisor while dividing situation to supervisor's charge for remittance of water or branch drain to arm, or while needing fixed-piping, utilize precast concrete threeway member (6) or precast concrete four-way member (4) to connect, drainage pipeline (2) socket joint outside four-way outside hole (10) or threeway hole (20) locate, irrigation conduit (3) socket joint is located at four-way endoporus (9) or threeway endoporus (19);
Five, drainage pipeline (2) finally leads to draining shaft or gutter (18), utilizes drain valve (17) draining in the winter time of irrigation conduit (3) end simultaneously; The drain valve (17) of irrigation conduit (3) can and drainage pipeline (2) combination, by utilizing drainage pipeline (2) that water is drained into draining shaft or gutter (18) after draining valve pit charge for remittance;
Six, precast concrete four-way anchor block (4), precast concrete threeway anchor block (6) is all divided into upper body part and lower body part, utilize concreting Mold Making, while burying underground, according to construction requirement, first dig out anchor block hole, cast-in-place C20 concrete 10cm, and precast concrete four-way anchor block lower body (13) and precast concrete threeway anchor block lower body (23) are separately fixed on cast in situ concrete foundation, irrigation conduit (3) is docked at respectively on four-way endoporus (9) and threeway endoporus (19), drainage pipeline (2) is docked at respectively on the outer hole (10) of four-way and the outer hole (20) of threeway, precast concrete four-way anchor block upper body (12) and precast concrete threeway anchor block upper body (22) are butted up against respectively on precast concrete four-way anchor block lower body (13) and precast concrete threeway anchor block lower body (23), make lower body draw-in groove clamping on it, can not move, outer hole is connected with drainage pipeline closely,
Seven, according to piping laying construction requirement, meet the requirement of pipeline preventing freeze in winter, geotextiles is installed, lays permeable sand, landfill undisturbed soil.
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| CN201610103549.2A CN105586859B (en) | 2016-02-25 | 2016-02-25 | Integral irrigation and drainage pipe system of saline-alkali soil farmland and construction method |
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| CN201610103549.2A CN105586859B (en) | 2016-02-25 | 2016-02-25 | Integral irrigation and drainage pipe system of saline-alkali soil farmland and construction method |
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