CN204163064U - A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam - Google Patents
A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam Download PDFInfo
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- CN204163064U CN204163064U CN201420625123.XU CN201420625123U CN204163064U CN 204163064 U CN204163064 U CN 204163064U CN 201420625123 U CN201420625123 U CN 201420625123U CN 204163064 U CN204163064 U CN 204163064U
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- gate
- ditches
- irrigation canals
- screw rod
- dam
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Abstract
The utility model discloses a kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam, comprise agricultural ecological irrigation canals and ditches and gate, also comprise cut-off dam base, screw rod and crossbeam, the dykes and dams of described agricultural ecological irrigation canals and ditches both sides are provided with chute, described gate is slidably arranged in described chute, the top that described agricultural ecological irrigation canals and ditches are positioned at gate is provided with crossbeam, the middle part of described crossbeam is provided with threaded hole, described screw rod is rotatably connected on the top of described gate through described threaded hole, the internal thread matched with described screw rod external screw thread is provided with in described threaded hole, the top of described screw rod is provided with circular rotating handle, described screw rod rotor shaft direction is consistent with described screw rod length direction, the top of described gate is provided with sawtooth weir, described gate is provided with filter bores.The utility model operational administrative is simple, reduced investment, convenient to construct, be beneficial to popularization.
Description
Technical field
The utility model relates to a kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam, belongs to water treatment technical field.
Background technology
Widespread pollution from the overuse of fertilizers and pesticides in rural area is on the rise, and particularly agricultural non-point pollution has become one of important sources of China's pollution.In recent years, the regulation of large-scale plant husbandry pollution of area source has been carried out in China some areas particularly Yangtze River Delta Area, and the methods of employing are a lot, but are main mainly with source, face, farmland ecological canal Interception Technology.Aquatic macrophyte in ecological canal has interception exogenous nutrition, absorbs the function of endogenous nitrogen phosphorus, and the rhizome of water plant can suppress the release of bed mud Middle nutrition thing, and can more easily remove at later stages, takes away nutrients too much in water body.Chinese scholar research also finds, and ecological intercepting type irrigation canals and ditches are effective measures that China controls plant husbandry pollution of area source.Find as during the agricultural nonpoint source pollution to ecological intercepting Baiyangdian Area such as Li Guibao, reed is the strongest to the detergent power of phosphorus, reaches as high as 98.1 %.And Chinese Academy of Sciences's scholar's research finds, buffer strip reed community root region soil can reach 90% to the rejection of total phosphorus, and the rejection of total nitrogen can reach 64%; Multi-pond system can retain more than 94% of the nitrogen and phosphorus loading from village, farmland; Yang Linzhang etc., for the serious present situation of Taihu Lake basin agricultural non-point pollution, propose ecological intercepting type sewerage in conjunction with local conditions, realize the control of farmland being discharged to nutrient, achieve good effect.At present, ecological canal Interception Technology is widely used in China's widespread pollution from the overuse of fertilizers and pesticides in rural area controls, in plant husbandry pollution of area source controls, serve important function.
The main acting in conjunction relying on growing plants and the microorganism in root system of plant, soil surface growth in irrigation canals and ditches of ecological canal interception, absorbs pollutants such as organic matter, nitrogen phosphorus, transforms, thus reach the object of pollutant removal.Therefore, ensure that the activity of microorganism and the biomass of plant are the primary guarantees ensureing ecological canal Effec-tive Function.But, most of ecological canals that China uses at present, in the wet season, the irrigation canals and ditches water yield is very large, and plant and microorganism can keep vitality, but to dry season or agricultural drain less period, irrigation canals and ditches dry up, and plant and microbial death, cause irrigation canals and ditches to lose efficacy, to the next wet season, be difficult to recover.Also there is some scholars easy earth dam is set at ecological canal or manually tackles lock, maintain the ecological canal water level in dry season.But earth dam was easy to be destroyed by rush of water in the wet season, artificial interception lock artificially may regulate not in time in the wet season, causes impeded drainage.Therefore, need badly exploitation a kind of need less as far as possible manual control, stable effectively, reduced investment, be suitable for China's agricultural ecological irrigation canals and ditches cut-off dam, maintain the high activity of irrigation canals and ditches implants and microorganism, the long-acting stable operation of guarantee agricultural ecological irrigation canals and ditches.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of simple to operate, stablizes effectively, is suitable for China's agricultural ecological irrigation canals and ditches cut-off dam, maintain the high activity of irrigation canals and ditches implants and microorganism, ensure the long-acting stable operation of agricultural ecological irrigation canals and ditches.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam, comprise agricultural ecological irrigation canals and ditches and gate, also comprise cut-off dam base, screw rod and crossbeam, the dykes and dams of described agricultural ecological irrigation canals and ditches both sides are provided with chute, described gate is slidably arranged in described chute, the top that described agricultural ecological irrigation canals and ditches are positioned at gate is provided with crossbeam, the middle part of described crossbeam is provided with threaded hole, described screw rod is rotatably connected on the top of described gate through described threaded hole, the internal thread matched with described screw rod external screw thread is provided with in described threaded hole, the top of described screw rod is provided with circular rotating handle, described screw rod rotor shaft direction is consistent with described screw rod length direction, the top of described gate is provided with sawtooth weir, described gate is provided with filter bores.
In technique scheme, described cut-off dam base is provided with the gate slot matched with described gate.
In technique scheme, described screw rod is connected with described gate by tumbler, and described tumbler comprises the pedestal being fixedly installed on gate top and the T-type structure be arranged on bottom screw rod, and described T-type structure is rotatably connected in described pedestal.
In technique scheme, the height of described cut-off dam base is 10 ~ 12cm, and described gate height is 15 ~ 20cm.
In technique scheme, described gate is provided with at least two row filter bores, and often row filter bores comprises at least two circular cavities, and the diameter of described hole from bottom to top increases gradually.
In further technical scheme, the diameter of described hole is 0.2 ~ 1cm.
In technique scheme, the angle between the sawtooth of described sawtooth weir is 90 °.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model was dammed by cut-off dam when dry season, can maintain the water level needed for the growth of ecological canal implants;
2. the utility model is when the wet season, filter bores on gate increases from bottom to top gradually, can ensure that current are evenly distributed in door surfaces, simultaneously filter bores, sawtooth weir can well floating thing in trap water, ensures the follow-up stable operation as facilities such as artificial swamps of ecological canal;
3. simple, the reduced investment of the utility model operational administrative, convenient to construct, is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, circular rotating handle; 2, screw rod; 3, threaded hole; 4, crossbeam; 5, agricultural ecological irrigation canals and ditches; 6, chute; 7, sawtooth weir; 8, filter bores; 9, gate; 10, gate slot; 11, cut-off dam base; 12, pedestal; 13, T-type structure.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one: shown in Figure 1, a kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam, comprise agricultural ecological irrigation canals and ditches 5 and gate 9, cut-off dam base 11, screw rod 2 and crossbeam 4, the dykes and dams of described agricultural ecological irrigation canals and ditches 5 both sides are provided with chute 6, described gate 9 is slidably arranged in described chute 6, the top that described agricultural ecological irrigation canals and ditches 5 are positioned at gate is provided with crossbeam 4, the middle part of described crossbeam 4 is provided with threaded hole 3, described screw rod 2 is rotatably connected on the top of described gate 9 through described threaded hole 3, the internal thread matched with described screw rod 2 external screw thread is provided with in described threaded hole 3, the top of described screw rod 2 is provided with circular rotating handle 1, described screw rod 2 rotor shaft direction is consistent with described screw rod 2 length direction, the top of described gate 9 is provided with sawtooth weir 7, described gate 9 is provided with filter bores 8.
In the present embodiment, described cut-off dam base 11 is provided with the gate slot 10 matched with described gate 9.
In the present embodiment, described screw rod 2 is connected with described gate 9 by tumbler, described tumbler comprises the pedestal 12 being fixedly installed on gate top and the T-type structure 13 be arranged on bottom screw rod 2, and described T-type structure 13 is rotatably connected in described pedestal 12.
In the present embodiment, the height of described cut-off dam base 11 is 10 ~ 12cm, and described gate 9 is highly 15 ~ 20cm.
In the present embodiment, described gate 9 is provided with at least two row filter bores 8, and often row filter bores 8 comprises at least two circular cavities, and the diameter of described hole from bottom to top increases gradually.
In the present embodiment, the diameter of described hole is 0.2 ~ 1cm.
In the present embodiment, the angle between the sawtooth of described sawtooth weir is 90 °.
Here is the utility model at the running of section in each in period: in (one) dry season, agricultural ecological irrigation canals and ditches water table ratio is lower, and the depth of water is substantially at below 10cm, and irrigation canals and ditches are dammed by cut-off dam base 11, maintains ecological canal implants and substantially grows required water level; (2) wet season, current are larger, in irrigation canals and ditches, runoff covers cut-off dam base 11, current produce pressure to gate 9, bottom filter bores 8 diameter is less, ensures that water is comparatively slow by gate 9, but excessive to gate 9 pressure for reducing current, hole diameter increases gradually from top to bottom, and basic guarantee current distribute at whole gate 9 surface uniform.In filter bores 8 pairs of irrigation canals and ditches, floating thing also has crown_interception, and meanwhile, just in case current are comparatively large, floating thing increases, and covers gate 9, and the good effect retaining floating thing is played on the sawtooth weir 7 at top; (3) storm period, current are excessive, just in case impeded drainage, can cause serious consequence.Therefore, rotate circular rotating handle 1, by the braking of screw rod 2, the T-type structure 13 bottom screw rod 2 rotates, and the rising of band moving base 12, pedestal 12 is fixedly located on gate 9, thus makes gate 9 increase, and reserves lower space, for too urgent current provide passage.After heavy rain, by rotating circular rotating handle 1, gate 9 is resetted.
Claims (7)
1. an adjustable agricultural ecological irrigation canals and ditches cut-off dam, comprise agricultural ecological irrigation canals and ditches (5) and gate (9), it is characterized in that: also comprise cut-off dam base (11), screw rod (2) and crossbeam (4), the dykes and dams of described agricultural ecological irrigation canals and ditches (5) both sides are provided with chute (6), described gate (9) is slidably arranged in described chute (6), the top that described agricultural ecological irrigation canals and ditches (5) are positioned at gate is provided with crossbeam (4), the middle part of described crossbeam (4) is provided with threaded hole (3), described screw rod (2) is rotatably connected on the top of described gate (9) through described threaded hole (3), the internal thread matched with described screw rod (2) external screw thread is provided with in described threaded hole (3), the top of described screw rod (2) is provided with circular rotating handle (1), described screw rod (2) rotor shaft direction is consistent with described screw rod (2) length direction, the top of described gate (9) is provided with sawtooth weir (7), described gate (9) is provided with filter bores (8).
2. one according to claim 1 adjustable agricultural ecological irrigation canals and ditches cut-off dam, is characterized in that: described cut-off dam base (11) is provided with the gate slot (10) matched with described gate (9).
3. one according to claim 1 adjustable agricultural ecological irrigation canals and ditches cut-off dam, it is characterized in that: described screw rod (2) is connected with described gate (9) by tumbler, described tumbler comprises the pedestal (12) being fixedly installed on gate (9) top and the T-type structure (13) being arranged on screw rod (2) bottom, and described T-type structure (13) is rotatably connected in described pedestal (12).
4. one according to claim 1 adjustable agricultural ecological irrigation canals and ditches cut-off dam, is characterized in that: the height of described cut-off dam base (11) is 10 ~ 12cm, and described gate (9) is highly 15 ~ 20cm.
5. one according to claim 1 adjustable agricultural ecological irrigation canals and ditches cut-off dam, it is characterized in that: described gate (9) is provided with at least two row filter bores (8), often row filter bores (8) comprises at least two circular cavities, and the diameter of described hole from bottom to top increases gradually.
6. one according to claim 5 adjustable agricultural ecological irrigation canals and ditches cut-off dam, is characterized in that: the diameter of described hole is 0.2 ~ 1cm.
7. one according to claim 1 adjustable agricultural ecological irrigation canals and ditches cut-off dam, is characterized in that: the angle between described sawtooth weir (7) sawtooth is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625123.XU CN204163064U (en) | 2014-10-27 | 2014-10-27 | A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625123.XU CN204163064U (en) | 2014-10-27 | 2014-10-27 | A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam |
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| Publication Number | Publication Date |
|---|---|
| CN204163064U true CN204163064U (en) | 2015-02-18 |
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|---|---|---|---|
| CN201420625123.XU Expired - Fee Related CN204163064U (en) | 2014-10-27 | 2014-10-27 | A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam |
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| CN (1) | CN204163064U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049383A (en) * | 2016-08-12 | 2016-10-26 | 张甘泉 | Anti-spill type canal gate device for agricultural irrigation |
| CN106065591A (en) * | 2016-08-12 | 2016-11-02 | 张甘泉 | A kind of agricultural irrigation safe water canal lock door assembly |
| CN106087917A (en) * | 2016-08-12 | 2016-11-09 | 张甘泉 | A kind of penstock shutter equipment for agricultural irrigation |
| CN106087911A (en) * | 2016-08-12 | 2016-11-09 | 汪贤女 | A kind of agricultural irrigation water canal lock door gear closing instruction |
| CN108729426A (en) * | 2018-06-27 | 2018-11-02 | 中国科学院南京土壤研究所 | A kind of sewerage and control method for agricultural run-off draining isolation of purified |
| CN108842729A (en) * | 2018-06-28 | 2018-11-20 | 东莞唯度电子科技服务有限公司 | A kind of water conservancy gate |
| CN111749205A (en) * | 2020-07-07 | 2020-10-09 | 阳新县鑫源水利水电建筑工程有限公司 | Application method of integrated pump station gate trash rack |
| CN115142387A (en) * | 2022-09-05 | 2022-10-04 | 凌志环保股份有限公司 | Ecological ditch with liftable formula baffle |
| CN115323981A (en) * | 2022-08-01 | 2022-11-11 | 中国电建市政建设集团有限公司 | Medium and small river anti-blocking ecological filtering dam capable of carrying out flood and draining stagnant water and using method |
-
2014
- 2014-10-27 CN CN201420625123.XU patent/CN204163064U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049383A (en) * | 2016-08-12 | 2016-10-26 | 张甘泉 | Anti-spill type canal gate device for agricultural irrigation |
| CN106065591A (en) * | 2016-08-12 | 2016-11-02 | 张甘泉 | A kind of agricultural irrigation safe water canal lock door assembly |
| CN106087917A (en) * | 2016-08-12 | 2016-11-09 | 张甘泉 | A kind of penstock shutter equipment for agricultural irrigation |
| CN106087911A (en) * | 2016-08-12 | 2016-11-09 | 汪贤女 | A kind of agricultural irrigation water canal lock door gear closing instruction |
| CN108729426A (en) * | 2018-06-27 | 2018-11-02 | 中国科学院南京土壤研究所 | A kind of sewerage and control method for agricultural run-off draining isolation of purified |
| CN108729426B (en) * | 2018-06-27 | 2023-12-26 | 中国科学院南京土壤研究所 | Ditch system for separating and purifying farmland runoff drainage and control method |
| CN108842729A (en) * | 2018-06-28 | 2018-11-20 | 东莞唯度电子科技服务有限公司 | A kind of water conservancy gate |
| CN111749205A (en) * | 2020-07-07 | 2020-10-09 | 阳新县鑫源水利水电建筑工程有限公司 | Application method of integrated pump station gate trash rack |
| CN111749205B (en) * | 2020-07-07 | 2021-08-13 | 阳新县鑫源水利水电建筑工程有限公司 | Application method of integrated pump station gate trash rack |
| CN115323981A (en) * | 2022-08-01 | 2022-11-11 | 中国电建市政建设集团有限公司 | Medium and small river anti-blocking ecological filtering dam capable of carrying out flood and draining stagnant water and using method |
| CN115142387A (en) * | 2022-09-05 | 2022-10-04 | 凌志环保股份有限公司 | Ecological ditch with liftable formula baffle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151027 |
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| EXPY | Termination of patent right or utility model |