CN210127460U - Water delivery pipeline installed on reservoir culvert pipe - Google Patents
Water delivery pipeline installed on reservoir culvert pipe Download PDFInfo
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- CN210127460U CN210127460U CN201920694327.1U CN201920694327U CN210127460U CN 210127460 U CN210127460 U CN 210127460U CN 201920694327 U CN201920694327 U CN 201920694327U CN 210127460 U CN210127460 U CN 210127460U
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Abstract
The utility model discloses a water delivery pipeline installed on a reservoir culvert pipe, wherein the reservoir culvert pipe comprises an inclined culvert, a stilling culvert, a flat culvert and a stilling pond; the water delivery pipeline comprises a base, a fixing fastener, an irrigation pipeline device and an emptying pipe; the reservoir culvert pipes are connected in sequence from high to low according to the elevation: 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 base is arranged on the same side of the inclined culvert and the force-dissipating box, is fixed on the inclined culvert and is arranged at the same slope ratio; the irrigation pipeline device is embedded on the base, and the irrigation pipeline is stably fixed on the inclined culvert and the base through the fixing fastener; the emptying pipe penetrates through the force eliminating box and the flat culvert. The utility model has the advantages that: after the channel is transformed into a pipeline for water delivery irrigation, the water delivery pipeline can connect a water source with the channel, so that the natural water level difference of a reservoir can be fully utilized, energy can be saved, layered water taking can be realized, the irrigation and water delivery speed can be increased, and the irrigation water utilization coefficient can be greatly improved.
Description
Technical Field
The utility model relates to a hydraulic engineering water conservation irrigation field specifically is an install conduit on reservoir culvert pipe.
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 inclined culvert irrigation mode is that an inclined culvert is connected with a stilling culvert, a stilling 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 inclined culvert irrigation mode 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 reform transform reservoir water delivery culvert pipe, 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 suitable ground, it is high to the high steady production of crop and the high yield of development, high-quality, the efficient irrigation agriculture has very big impetus.
Disclosure of Invention
The utility model aims at providing an install conduit on reservoir culvert pipe, 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 conveying pipeline arranged on a reservoir culvert pipe comprises an inclined culvert 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 base 5 is arranged on the same side of the inclined culvert 1 and the stilling box 2, is fixed on the inclined culvert 1 and is arranged at the same slope ratio as the upstream dam slope of the reservoir; the irrigation pipe device 9 is embedded on the base 5, and the irrigation pipe 9 is firmly fixed on the inclined culvert 1 and 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 height of the base 5 is lower than that of the inclined culvert 1 and the force eliminating box 2, and the base is used for supporting the pipeline 9; wherein the base 5 slope ratio is the same as the reservoir upstream dam slope ratio, and the range is 1: 2.0-1: 3.5.
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 in the inclined culvert, 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 inclined culvert is connected through a plurality of tee joints 7, the top end of each tee joint 7 is provided with a filtering flap valve 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 end of each tee joint 7 is fixed on the corresponding tee joint 7 through the flange 8-3, the filter screen 8-2 is arranged in the tee joint, and the upper end of the filter screen 8-2 is provided with the flap valve 8-1.
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; and 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 the object needs irrigation, and the low-pressure pipeline is connected behind the gate valve 11 and used for conveying the surface water of the reservoir to the 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 reservoir culvert pipes, when the reservoir culvert pipes are specifically arranged, the first pipelines in the inclined culvert and the irrigation pipeline device, the base, the emptying pipe and the third pipelines in the irrigation pipeline device are in a vertical relationship.
The utility model has the advantages that: after the channel is transformed into a pipeline for water delivery irrigation, the water delivery pipeline can connect a water source with the channel, so that the natural water level difference of a reservoir can be fully utilized, energy can be saved, layered water taking can be realized, the irrigation and water delivery speed can be increased, and the irrigation water utilization coefficient can be greatly improved.
Drawings
Figure 1 is the plane layout of reservoir culvert pipe of the utility model cuts open the diagram.
Fig. 2 is the plane layout of the reservoir culvert pipe water pipe of the utility model is a sectional view.
Fig. 3 is a schematic view of the connection of the tee joint and the filtering flap valve of the present invention.
Fig. 4 is a schematic view of the force-dissipating box plugging of the present invention.
Fig. 5 is a schematic view of the pipe fixing according to the present invention.
Fig. 6 is a schematic view of the gate valve installation of the present invention.
In the figure, 1 is an inclined culvert, 2 is a stilling culvert, 3 is a flat culvert, 4 is a stilling pond, 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.
Detailed Description
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, will combine the figure below to take a certain reservoir culvert transformation in Anfu county of Jiangxi province as an example, to carry out detailed explanation to the preferred embodiment of the utility model to make things convenient for technical staff to understand.
As shown in fig. 1-4, the utility model relates to a water pipe installed on a reservoir culvert, wherein the reservoir culvert comprises an inclined culvert 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 base 5 is arranged on the same side of the inclined culvert 1 and the force-dissipating box 2, is fixed on the inclined culvert 1 and is arranged at the same slope ratio; the irrigation pipe device 9 is embedded on the base 5, and the irrigation pipe 9 is firmly fixed on the inclined culvert 1 and the base 5 through the fixing fastener 6; the emptying pipe 10 penetrates through the stilling box 2 and the flat culvert 3; 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.
A method for installing a water pipeline on a reservoir inclined culvert is characterized in that:
firstly, plugging a gate of the absorption tank;
secondly, leveling the field and installing a base;
thirdly, an irrigation pipeline 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, opening the flap valve to take water for irrigation.
Further, the first-step plugging stress relief box 2 is a gate 2-2, and the stress relief box 2 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.
And the base is installed in the second step, the base slope ratio is the same as the slope ratio of the upstream dam of the reservoir and is 1: 2.8.
in the third step, the pipelines 9 are all made of 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 diameters of the pipelines 9;
the specific steps of installing the irrigation pipe 9 are as follows:
(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) 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, and the flap valve 8-1 is operated to take surface water of the reservoir to realize layered water taking; the surface water has higher water temperature, which is beneficial to the growth of crops.
And thirdly, additionally arranging a fixing fastener 6, fixing the first pipeline 9-1 on the inclined culvert 1 and the base 5, fixing the corner pipeline 9-2 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 connecting a pipeline 9 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 dam top is 95m, the water level of the water surface is 90m, the elevation of the stilling pool bottom is 60m, and the total water head is 30 m. If the traditional reservoir inclined culvert is adopted for water drainage, the total water head is reduced to 2m through the inclined culvert, the stilling culvert and the stilling pond, the open channel is adopted for water delivery to farmlands, the water delivery speed is 0.5m/s, and the utilization coefficient of irrigation water is 0.5. If the water is transformed into pipeline water delivery, the total water head is reduced to 28m through a flap valve, a tee joint, a pipeline and a gate valve, the pipeline water delivery is connected behind the gate valve to the 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 conveying pipeline arranged on a reservoir culvert pipe comprises an inclined culvert, a stilling box, a flat culvert and a stilling pool; 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 reservoir culvert pipes are connected in sequence from high to low according to the elevation: 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 base is arranged on the same side of the inclined culvert and the force-dissipating box, is fixed on the inclined culvert and is arranged at the same slope ratio; the irrigation pipeline device is embedded on the base, and the irrigation pipeline is stably fixed on the inclined culvert and the base through the fixing fastener; the emptying pipe penetrates through the force eliminating box and the flat culvert;
the irrigation pipeline device comprises a tee joint, a filtering flap valve, an irrigation pipeline and a gate valve, wherein the irrigation pipeline comprises a first pipeline fixed in an inclined culvert, a corner pipeline and a third pipeline fixed in a 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 the first pipeline fixed on the inclined culvert 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.
2. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: 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.
3. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: the height of the base is lower than that of the inclined culvert and the force eliminating box, and the base is used for supporting the pipeline.
4. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: the tee joint is connected with the first pipeline according to a certain distance L to form a step.
5. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: the first pipeline, the corner pipeline and the third pipeline are metal pipes and plastic pipes, a low-pressure pipeline is connected behind a gate valve, and surface water of the reservoir is conveyed to a farmland for irrigation.
6. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: a flap valve is arranged at one end of the upstream of the emptying pipe, penetrates through the force-dissipating box and the flat culvert and is fixed at the bottom of the flat culvert.
7. The water pipe according to claim 1, wherein the water pipe is installed on a culvert pipe of a reservoir, and the water pipe comprises: the first pipeline, the base and the emptying pipe in the inclined culvert and the irrigation pipeline device and the third pipeline in the irrigation pipeline device are in a vertical relation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694327.1U CN210127460U (en) | 2019-05-15 | 2019-05-15 | Water delivery pipeline installed on reservoir culvert pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920694327.1U CN210127460U (en) | 2019-05-15 | 2019-05-15 | Water delivery pipeline installed on reservoir culvert pipe |
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| CN210127460U true CN210127460U (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055936A (en) * | 2019-05-15 | 2019-07-26 | 江西省水利科学研究院 | A kind of aqueduct being mounted on reservoir culvert |
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2019
- 2019-05-15 CN CN201920694327.1U patent/CN210127460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055936A (en) * | 2019-05-15 | 2019-07-26 | 江西省水利科学研究院 | A kind of aqueduct being mounted on reservoir culvert |
| CN110055936B (en) * | 2019-05-15 | 2023-12-05 | 江西省水利科学研究院 | Water delivery pipeline mounted on reservoir culvert pipe |
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