CN210127461U - Install conduit on reservoir draws to one side and contains - Google Patents

Install conduit on reservoir draws to one side and contains Download PDF

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Publication number
CN210127461U
CN210127461U CN201920694911.7U CN201920694911U CN210127461U CN 210127461 U CN210127461 U CN 210127461U CN 201920694911 U CN201920694911 U CN 201920694911U CN 210127461 U CN210127461 U CN 210127461U
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China
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pipeline
culvert
reservoir
water
irrigation
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CN201920694911.7U
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张戴军
刘小平
万怡国
周斌
黄丽丽
曹腾飞
温毓繁
黄旭华
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JIANGXI PROVINCE WATER CONSERVANCY SCIENCE RESEARCH INSTITUTE
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JIANGXI PROVINCE WATER CONSERVANCY SCIENCE RESEARCH INSTITUTE
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Abstract

The utility model relates to an install conduit on reservoir draws culvert to one side, its structural feature is: the inclined pull gate consists of an opening and closing machine room, a diagonal draw bar, buttresses and a gate, wherein the buttresses are arranged on the upstream dam slope of the reservoir; the force eliminating box consists of a box body and a gate; the diagonal tension brake of the reservoir is sequentially connected with a stilling box, a flat culvert and a stilling pond from high to low according to the elevation; the filtering flap valve consists of a flap valve, a filter screen and a flange; the irrigation pipeline is composed of a first pipeline fixed on the base, a corner pipeline and a third pipeline fixed in the flat culvert, and the first pipeline and the third pipeline are connected through the corner pipeline. The utility model has the advantages that: the water delivery pipeline can connect a water source with a channel, realizes pipeline water delivery from the water source, the channel to the field, can fully utilize the natural water level difference of a reservoir to save energy, realizes layered water taking, can accelerate irrigation water delivery speed, and greatly improves the irrigation water utilization coefficient.

Description

Install conduit on reservoir draws to one side and contains
Technical Field
The utility model relates to a hydraulic engineering water-saving irrigation field specifically is an install conduit on reservoir draws culvert to one side.
Background
Efficient water-saving irrigation is a necessary way for agricultural transformation and upgrading and is a necessary choice for modern agriculture.
The water conservancy reform development 'thirteen five' plan indicates that: the total water consumption of the whole country is controlled within 6700 billion cubic meters by 2020, and the utilization coefficient of the farmland irrigation water is improved to more than 0.55. The agricultural water accounts for 60-70% of the total water consumption of the whole society, and has great water-saving potential. Agricultural water conservation is promoted by implementing efficient water-saving irrigation, agricultural water reduction is replaced by industrial and urban domestic water increment, and the method becomes an inevitable requirement for ensuring sustainable and healthy development of social economy.
Although the high-efficiency water-saving irrigation is carried out in the prior agricultural irrigation, most of the prior agricultural irrigation adopts the traditional channel engineering, the leakage along the line is serious, the water passing efficiency is low, the irrigation mode is extensive, and the waste is serious. In the construction of the high-efficiency water-saving irrigation project which is promoted in China at present, a small-area field drip irrigation project and a small-area spray irrigation project are mainly used, low-pressure pipeline irrigation is less in application, and water-saving construction and transformation are less in backbone projects from a water source to a field water delivery section and the like. Because the irrigation water source in China is relatively large in a small reservoir, a low-pressure pipeline is very necessary from the water source.
The existing reservoir diagonal culvert irrigation mode is that a diagonal sluice is connected with a stilling tank, a flat culvert and a stilling pond, and then is connected with an open channel to enter a farmland, so that a natural water head is consumed, the outlet of the stilling pond cannot be connected with a water pipeline, and the aim of efficiently saving water is difficult to achieve. Meanwhile, most of the existing water delivery pipeline irrigation modes need to provide pressure through a water pump, so that the investment is increased, a large amount of electric energy is consumed, and the natural water level difference of a reservoir irrigation area cannot be utilized. The utility model discloses draw to one side and contain the reservoir and reform transform, link up water source and low-pressure pipeline, provide the condition for the open channel irrigation form reforms transform low-pressure pipeline water delivery irrigation, realize from the water source, the channel is to the whole adoption low-pressure pipeline in field, both the natural water head energy saving of make full use of reservoir, accomplish the layering water intaking, can increase substantially irrigation water utilization coefficient again, can also reduce the construction investment, accelerate irrigation water delivery speed, thereby can shorten the period of watering greatly, can realize irrigating according to crop water demand requirement in time in right amount, to the high steady production of crop and development high yield, high-quality, water-saving efficient irrigation agriculture has very big impetus.
Disclosure of Invention
The utility model aims at providing an install conduit on reservoir draws to one side and contains, this conduit can make full use of the natural water head energy saving of reservoir, accomplishes layering water intaking, can reform transform into the low pressure pipeline water delivery irrigation condition for the open channel irrigation form again, increases substantially and irrigates the water utilization coefficient.
The utility model adopts the following technical scheme: a water pipeline installed on a reservoir diagonal culvert comprises a diagonal sluice 1, a stilling culvert 2, a flat culvert 3 and a stilling pond 4; the water pipeline comprises a base 5, a fixing fastener 6, an irrigation pipeline device 9 and a blow-down pipe 10; the method is characterized in that: the reservoir culvert pipes are connected in sequence from high to low according to the elevation: the inclined culvert 1 is connected with a force-dissipating box 2, the force-dissipating box 2 is connected with a flat culvert 3, and the flat culvert 3 is connected with a force-dissipating pond 4; the inclined pull gate 1 consists of an opening and closing machine room 1-1, a diagonal draw bar 1-2, buttresses 1-3 and gates 1-4, the buttresses 1-3 are arranged on the upstream dam slope of the reservoir, the diagonal draw bar 1-2 is fixed on the tops of the buttresses 1-3, the opening and closing machine room 1-1 on the inclined pull gate 1 is connected with the gates 1-4 through the diagonal draw bar 1-2, and the gates 1-4 are arranged at the top end of the stilling box 2; the base 5 is arranged near and parallel to the diagonal draw bars 1-2, is positioned on an upstream dam slope of the reservoir and is arranged at the same slope ratio as the upstream dam slope; the irrigation pipe device 9 is embedded on the base 5, and the irrigation pipe 9 is firmly fixed on the base 5 through the fixing fastener 6; the emptying pipe 10 penetrates through the stilling box 2 and the flat culvert 3.
Further, the absorption box 2 consists of a box body 2-1 and a gate 2-2; wherein the gate 2-2 is provided with two holes, one hole is provided with the emptying pipe 10, and the other hole is provided with the third pipeline 9-3 in the irrigation pipeline device; wherein, the box body 2-1 of the absorption box 2 is movably and fixedly connected through the gate 2-2, and the purpose of plugging is to prevent water leakage.
Further, the base 5 is arranged near and parallel to the diagonal draw bars, is positioned on the upstream dam slope of the reservoir, has the same slope ratio with the upstream dam slope, and is used for supporting the irrigation pipeline 9.
Further, the irrigation pipeline device 9 consists of a tee joint 7, a filtering flap valve 8, an irrigation pipeline and a gate valve 11, wherein the irrigation pipeline consists of a first pipeline 9-1 fixed on the base, a corner pipeline 9-2 and a third pipeline 9-3 fixed in the flat culvert; the first pipeline 9-1 is connected with a third pipeline 9-3 through a corner pipeline 9-2, the third pipeline 9-3 penetrates through the stress-relief box 2 and the flat culvert 3 and is fixed at the bottom of the flat culvert 3, and a gate valve 11 is arranged at the tail end of the third pipeline 9-3; the middle of a first pipeline 9-1 fixed on the base is connected through a plurality of tee joints 7, the top ends of the tee joints 7 are provided with filtering flap valves 8, each filtering flap valve 8 consists of a flap valve 8-1, a filter screen 8-2 and a flange 8-3, the top ends of the tee joints 7 are fixed on the tee joints 7 through the flanges 8-3, the filter screens 8-2 are arranged in the tee joints, and the flap valves 8-1 are arranged at the upper ends of the filter screens 8-2.
Furthermore, the tee joint 7 is arranged on the pipeline 9-1 and connected with the pipeline 9-1 according to a certain distance L to form a step, and layered water taking is realized by operating the flap valve.
Furthermore, a built-in filter screen 8-2 in the filtering flap valve 8 can intercept floating objects and prevent clogging, and water can be taken by opening the flap valve 8-1.
Furthermore, the first pipeline 9-1, the corner pipeline 9-2 and the third pipeline 9-3 can adopt metal pipes such as steel pipes and plastic pipes such as PE pipes, and have certain pressure resistance; meanwhile, the anti-ultraviolet material is adopted, so that the service life is longer; the nominal diameters of the first pipeline 9-1, the corner pipeline 9-2 and the third pipeline 9-3 are R; the gate valve 11 is arranged at the tail end of the third pipeline 9-3 and used for controlling the water taking time period, the gate valve 11 is opened when objects need to be irrigated, and the water pipeline is connected behind the gate valve 11 and used for conveying water on the surface layer of the reservoir to a farmland for irrigation.
Further, the emptying pipe 10 is made of the same material as the irrigation pipeline 9, a flap valve 8-1 is arranged at one upstream end, penetrates through the stilling box 2 and the flat culvert 3 and is fixed at the bottom of the flat culvert 3, the height of the water level of the reservoir to the bottom of the stilling box 2 can be reduced by opening the flap valve 8-1, and activities such as reservoir dredging, danger removal and reinforcement are achieved.
Further, in practical application, according to the whole structural relationship of the reservoir culvert, when the reservoir culvert is specifically arranged, the inclined pull gate, the first pipeline in the irrigation pipeline device, the base, the emptying pipe and the third pipeline in the irrigation pipeline device are in a parallel relationship.
The utility model has the advantages that: the water delivery pipeline can connect a water source with a channel, realizes pipeline water delivery from the water source, the channel to the field, can fully utilize the natural water level difference of a reservoir to save energy, realizes layered water taking, can accelerate irrigation water delivery speed, and greatly improves the irrigation water utilization coefficient.
Drawings
Fig. 1 is that the utility model discloses the reservoir draws to one side to contain and arranges the section view picture.
Fig. 2 is the utility model discloses the reservoir draws culvert conduit to one side and arranges and dissects the view.
Fig. 3 is the utility model discloses the reservoir draws culvert conduit to one side and disappears power case import schematic diagram.
Fig. 4 is a schematic view of the connection of the tee joint and the filtering flap valve of the present invention.
Fig. 5 is a schematic view of the force-dissipating box plugging of the present invention.
Fig. 6 is a schematic view of the pipe fixing according to the present invention.
Fig. 7 is a schematic view of the gate valve installation of the present invention.
In the figure, 1 is an inclined pull gate, 2 is a stilling box, 3 is a flat culvert, 4 is a stilling pool, 5 is a base, 6 is a fixing fastener, 7 is a tee joint, 8 is a filtering flap valve, 9 is an irrigation pipeline, 10 is an emptying pipe, and 11 is a gate valve; the device comprises 1-1 parts of a starting and stopping machine room, 1-2 parts of diagonal draw bars, 1-3 parts of buttresses, 1-4 parts of gates, 2-1 parts of box bodies, 2-2 parts of gates, 9-1 parts of first pipelines, 9-2 parts of corner pipelines, 9-3 parts of third pipelines, 8-1 parts of flap valves, 8-2 parts of filter screens and 8-3 parts of flanges.
Detailed Description
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, will combine the figure below to a certain reservoir of Anfu county of Jiangxi province draws to contain to reform transform as the example to one side, and is right the utility model discloses a preferred embodiment carries out detailed description to make things convenient for technical staff to understand.
As shown in fig. 1-7, the utility model is operated in such a way that the irrigation pipe device 9 is composed of a tee joint 7, a filtering flap valve 8, an irrigation pipe and a gate valve 11, wherein the irrigation pipe is composed of a first pipe 9-1 fixed on the base, a corner pipe 9-2 and a third pipe 9-3 fixed in the flat culvert; the first pipeline 9-1 is connected with a third pipeline 9-3 through a corner pipeline 9-2, the third pipeline 9-3 penetrates through the stress-relief box 2 and the flat culvert 3 and is fixed at the bottom of the flat culvert 3, and a gate valve 11 is arranged at the tail end of the third pipeline 9-3; the middle of a first pipeline 9-1 fixed on the base is connected through a plurality of tee joints 7, the top ends of the tee joints 7 are provided with filtering flap valves 8, each filtering flap valve 8 consists of a flap valve 8-1, a filter screen 8-2 and a flange 8-3, the top ends of the tee joints 7 are fixed on the tee joints 7 through the flanges 8-3, the filter screens 8-2 are arranged in the tee joints, and the flap valves 8-1 are arranged at the upper ends of the filter screens 8-2. The tee joint 7 is arranged on the pipeline 9-1 and connected with the pipeline 9-1 according to a certain distance L to form a step, and layered water taking is realized by operating the flap valve. A filter screen 8-2 arranged in the filtering flap valve 8 can intercept floating objects and prevent clogging, and water can be taken by opening the flap valve 8-1. The first pipeline 9-1, the corner pipeline 9-2 and the third pipeline 9-3 can adopt metal pipes such as steel pipes and plastic pipes such as PE pipes, and have certain pressure resistance; meanwhile, the anti-ultraviolet material is adopted, so that the service life is longer; the nominal diameters of the first pipeline 9-1, the corner pipeline 9-2 and the third pipeline 9-3 are R; the gate valve 11 is arranged at the tail end of the third pipeline 9-3 and used for controlling the water taking time period, the gate valve 11 is opened when objects need to be irrigated, and the water pipeline is connected behind the gate valve 11 and used for conveying water on the surface layer of the reservoir to a farmland for irrigation.
A method for installing a water pipeline on a reservoir inclined culvert is characterized in that:
firstly, a blocking absorption box 2 is transformed;
secondly, leveling the field, and installing a base 5;
thirdly, an irrigation pipeline device 9, a tee joint 7, a flap valve 8-1 and an emptying pipe 10 are installed, and a fixing fastener 6 is additionally arranged;
fourthly, installing a gate valve 11;
fifthly, opening the gate valve 11;
and sixthly, the flap valve 8-1 is opened to take water for irrigation.
Further, the first step of reconstruction of the plugging absorption box 2, the box body 2-1 and the gate 2-2 are of a concrete structure and are plugged by concrete; before plugging, opening the gate 2-2 and emptying the water quantity of the reservoir; when plugging, the contact surface of the new concrete and the old concrete needs to be chiseled, steel bars are drilled and inserted to increase the integrity of the concrete, and an emptying pipe 10 and a hole 9-3 of the pipeline are reserved.
In the third step, all pipelines adopt ultraviolet-resistant black PE pipes, the nominal diameter R is 300mm, and the diameters of the tee joint 7 and the filtering flap valve 8 are matched with the pipelines;
the method comprises the following specific steps of:
(1) installing a third pipeline 9-3 to enable the third pipeline to penetrate through the flat culvert 3 and the force-absorbing box 2;
(2) installing a corner pipeline 9-2, wherein the tail end of the corner pipeline 9-2 is connected with the head end of a third pipeline 9-3;
(3) installing a first pipeline 9-1, wherein the tail end of the first pipeline 9-1 is connected with the head end of a corner pipeline 9-2;
(4) installing a tee joint 7, wherein the tail end of the tee joint 7 is connected with the head end of a first pipeline 9-1;
(5) installing a filtering flap valve 8, wherein the filtering flap valve 8 is arranged on the tee joint 7 and is screwed up by a screw through a flange 8-3;
(6) and (5) repeating the steps (3) to (5), wherein the tee joints 7 are arranged on the first pipeline 9-1, the distance L between every two adjacent tee joints 7 is 1200mm, a step is formed, layered water taking is realized by operating the flap valve 8-1, and the growth of crops is facilitated.
And thirdly, additionally arranging a fixing fastener 6, fixing the first pipeline 9-1 on the base 5, and fixing the third pipeline 9-3 on the flat culvert 3 and the base 5.
And fourthly, installing a gate valve 11, and taking a pipeline behind the gate valve 11 to convey water to a farmland for irrigation, so that the maximum benefit can be obtained.
And in the sixth step, the flap valve 8-1 is opened, a single flap valve 8-1 can be opened, and a plurality of flap valves 8-1 can also be opened to meet the irrigation requirement.
Taking a certain reservoir in Anfu county of Jiangxi province as an example, the irrigation area is 1500 mu, the elevation of the top of the dam is 130.8m, the water level of the water surface is 127m, the elevation of the bottom of the absorption basin is 109m, and the total water head is 18 m. If the traditional reservoir inclined brake is adopted for water discharge, the water head is reduced to 1m through the stilling box, the flat culvert and the stilling pool, and the water head loss is as high as 17 m; the open channel is adopted to convey water to farmland, the water conveying speed is 0.4m/s, and the utilization coefficient of irrigation water is 0.5. If the water is conveyed by the reconstructed low-pressure pipeline, the water head is reduced to 16m through the flap valve, the tee joint, the pipeline and the gate valve, and the water head loss is only 2 m; the gate valve is connected with a low-pressure pipeline for delivering water to a farmland, the water delivery speed is 1.5m/s, and the utilization coefficient of irrigation water is 0.95. Through the contrast, the water delivery pipeline can not only fully utilize the natural water level difference of the reservoir to save energy and realize layered water taking, but also provide conditions for the low-pressure pipeline water delivery irrigation in the open channel irrigation mode, accelerate the irrigation water delivery speed and greatly improve the irrigation water utilization coefficient.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (7)

1. A water pipeline installed on a reservoir diagonal culvert comprises a diagonal gate, a stilling culvert and a stilling pond; the water delivery pipeline comprises a base, a fixing fastener, an irrigation pipeline device and an emptying pipe; the method is characterized in that: the diagonal tension culvert of the reservoir is connected from high to low according to the elevation in sequence: the inclined culvert is connected with a force-dissipating box, the force-dissipating box is connected with a flat culvert, and the flat culvert is connected with a force-dissipating pool; the inclined pull gate comprises an opening and closing machine room, a diagonal draw bar, buttresses and gates, wherein the buttresses are arranged on the upstream dam slope of the reservoir; the base is arranged near and parallel to the diagonal draw bars, is positioned on an upstream dam slope of the reservoir and is arranged at the same slope ratio as the upstream dam slope; the irrigation pipeline device is embedded on the base, and the irrigation pipeline is stably fixed on the base through the fixing fastener; the emptying pipe penetrates through the force eliminating box and the flat culvert; the force eliminating box consists of a box body and a gate; wherein the gate is provided with two holes, one hole is used for placing the emptying pipe, and the other hole is used for placing a third pipeline in the irrigation pipeline device; wherein the box body of the absorption box is movably and fixedly connected through a gate.
2. The water pipe installed on the diagonal draw culvert of the reservoir according to claim 1, wherein: the irrigation pipeline device consists of a tee joint, a filtering flap valve, an irrigation pipeline and a gate valve, wherein the irrigation pipeline consists of a first pipeline fixed on the base, a corner pipeline and a third pipeline fixed in the flat culvert; the first pipeline is connected with a third pipeline through a corner pipeline, the third pipeline penetrates through the stress eliminating box and the flat culvert and is fixed at the bottom of the flat culvert, and the gate valve is arranged at the tail end of the third pipeline; the middle of a first pipeline fixed on the base is connected through a plurality of tee joints, the top end of each tee joint is provided with a filtering flap valve, each filtering flap valve consists of a flap valve, a filter screen and a flange, the top end of each tee joint is fixed on the corresponding tee joint through the flange, the filter screen is arranged in each tee joint, and the flap valve is arranged at the upper end of each filter screen.
3. The water conveying pipeline installed on the diagonal drawing culvert of the reservoir as claimed in claim 2, wherein: the tee joint is arranged on the pipeline and connected with the pipeline at a certain distance L to form a step.
4. The water conveying pipeline installed on the diagonal drawing culvert of the reservoir as claimed in claim 2, wherein: the first pipeline, the corner pipeline and the third pipeline are made of metal pipes such as steel pipes and plastic pipes such as PE pipes.
5. The water conveying pipeline installed on the diagonal drawing culvert of the reservoir as claimed in claim 2, wherein: and the gate valve is arranged at the tail end of the third pipeline, and a water conveying pipeline is connected behind the gate valve to convey the surface water of the reservoir to a farmland for irrigation.
6. The water pipe installed on the diagonal draw culvert of the reservoir according to claim 1, wherein: the emptying pipe is made of the same material as the irrigation pipeline, and a flap valve is arranged at one end of the upstream and penetrates through the stilling box and the flat culvert and is fixed at the bottom of the flat culvert.
7. The water pipe installed on the diagonal draw culvert of the reservoir according to claim 1, wherein: the inclined pull gate, a first pipeline in the irrigation pipeline device, the base, the emptying pipe and a third pipeline in the irrigation pipeline device are in a parallel relation.
CN201920694911.7U 2019-05-15 2019-05-15 Install conduit on reservoir draws to one side and contains Active CN210127461U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042808A (en) * 2019-05-15 2019-07-23 江西省水利科学研究院 A kind of aqueduct for being mounted on reservoir oblique pull and containing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042808A (en) * 2019-05-15 2019-07-23 江西省水利科学研究院 A kind of aqueduct for being mounted on reservoir oblique pull and containing
CN110042808B (en) * 2019-05-15 2023-12-05 江西省水利科学研究院 Water pipeline installed on reservoir inclined-pull culvert

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