CN112459023B - A high-efficient irrigation equipment for hydraulic engineering - Google Patents
A high-efficient irrigation equipment for hydraulic engineering Download PDFInfo
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- CN112459023B CN112459023B CN202011151222.5A CN202011151222A CN112459023B CN 112459023 B CN112459023 B CN 112459023B CN 202011151222 A CN202011151222 A CN 202011151222A CN 112459023 B CN112459023 B CN 112459023B
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- Prior art keywords
- water
- water inlet
- evaporation
- ditch
- pipe
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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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- 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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
Abstract
The invention belongs to the field of hydraulic engineering, and particularly relates to a high-efficiency irrigation device for hydraulic engineering, which comprises a ground base layer, wherein a water channel is arranged on the ground base layer, an evaporation prevention cover plate is arranged at a water inlet of the water channel and is used for carrying out airtight protection on the water channel, a drain pipe is arranged at one end of the water channel, which is far away from the water inlet, and is used for carrying out desliming work through a dirt removing device, the dirt removing device and the water inlet are arranged in a matched mode, a water replenishing pipe is arranged at one end, which is close to the drain pipe, of the water channel, a water outlet pipe is arranged at one end, which is far away from the drain pipe, of the water channel, and the water outlet pipe is movably connected with the dirt removing device through a vibrating rod. According to the invention, the evaporation-proof cover plate and the decontamination device are arranged on the water channel, so that the great evaporation of the water quantity in the water channel caused by the overhigh external environment temperature is effectively reduced, and meanwhile, impurities in the water diversion process are filtered and removed, and the irrigation water quality in the water channel is improved.
Description
Technical Field
The invention belongs to the field of hydraulic engineering, and particularly relates to a high-efficiency irrigation device for hydraulic engineering.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harmful substances and benefiting benefits, and is also called water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Along with the rapid development of agricultural construction, more and more irrigation devices and hydraulic engineering are used in a linked manner, but in the actual use process, irrigation devices of the hydraulic engineering still have some defects and need to be improved urgently.
Among the prior art, the mode that the irrigation equipment of agricultural mostly adopted the ditch when using with hydraulic engineering contacts carries out diversion irrigation, but the ditch is because most all adopts wide-mouthed structure in the in-service use, make the ditch cause the evaporation by a wide margin of ditch water volume easily at high temperature weather, thereby cause the waste of water resource, and meanwhile, the ditch can bring a large amount of mud at the diversion in-process, impurity such as fallen leaves, the unable clean degree in the ditch of leading water in-process assurance of current ditch, make these impurity can cause the influence to subsequent irrigation work, increase irrigation equipment's load, reduce hydraulic engineering's irrigation efficiency.
To this end, we propose a high efficiency irrigation device for hydraulic engineering to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides an efficient irrigation device for hydraulic engineering, which has an evaporation prevention function and can discharge pollution in the water diversion process of a water channel.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient irrigation equipment for hydraulic engineering, includes the ground basic unit, the ground basic unit is equipped with the canal, the water inlet of canal is equipped with the evaporation prevention apron, the evaporation prevention apron carries out airtight protection to the canal, the one end that the water inlet was kept away from to the canal is equipped with the blow off pipe, the blow off pipe carries out desliming work through scrubbing device, scrubbing device and water inlet cooperation set up, the one end that the canal is close to the blow off pipe is equipped with the moisturizing pipe, the one end that the sewer was kept away from to the canal is equipped with the outlet pipe, the outlet pipe passes through vibrating arm and scrubbing device swing joint.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the ditch includes intake chamber, neck groove and ponding groove, prevent evaporation apron and intake chamber sliding connection, scrubbing device and ponding groove swing joint.
In foretell a high-efficient irrigation equipment for hydraulic engineering, prevent that evaporation apron adopts the U-shaped structure, the intake antrum symmetry is equipped with the spacing groove, prevent that evaporation apron passes through slider and spacing groove sliding connection.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the intake antrum symmetry is equipped with the baffle, the coaxial fixedly connected with first gear of baffle, first gear passes through the rack and prevents that evaporation apron meshing is connected.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the intake chamber has the multiunit sealing plug through reset spring swing joint, the sealing plug adopts round platform shape structure, prevent that the evaporation apron is equipped with the multiunit inlet opening, sealing plug and inlet opening cooperation are connected.
In foretell a high-efficient irrigation equipment for hydraulic engineering, scrubbing device includes choked flow fan, drive mechanism and brush board, the ponding groove adopts tubular structure, choked flow fan all rotates with the ponding groove with the brush board to be connected, the choked flow fan passes through drive mechanism and brushes the board meshing and connects.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the choked flow fan is equipped with the flabellum that the multiunit slope set up, flabellum and neck groove dislocation set, the bottom plate extension setting of flabellum one end is kept away from to the intake chamber.
In the efficient irrigation device for the hydraulic engineering, the transmission mechanism comprises a second gear and an incomplete gear which are meshed with each other, the second gear is fixedly connected with the brush plate in a coaxial mode, and the incomplete gear is fixedly connected with the flow blocking fan.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the brush board is kept away from the one end of second gear and is rotated through return spring and ponding groove and connect, the brush board is equipped with the brush, brush and ponding groove swing joint.
In foretell a high-efficient irrigation equipment for hydraulic engineering, the vibrating arm adopts T shape structure, the brush board is equipped with the through-hole, the vibrating arm passes through buffer spring and through-hole sliding connection, the outlet pipe slope is equipped with the filter screen, the vibrating arm passes through vibrating mass and filter screen swing joint, the vibrating mass adopts spherical structure.
Compared with the prior art, this a high-efficient irrigation equipment for hydraulic engineering's advantage lies in:
1. according to the invention, the evaporation-proof cover plate is arranged on the water channel, so that the water channel can be sealed in a normal period, the great evaporation of the water quantity in the water channel caused by overhigh external environment temperature is reduced, and the waste of water resources in the water channel is reduced; the water collecting work is carried out in the period of water diversion or rainy days, so that large impurities such as sludge, fallen leaves and the like are prevented from entering the water channel, and the irrigation water quality in the water channel is improved.
2. According to the invention, the dirt removing device is arranged on the water channel, so that when the water channel collects water, the fan blades can be driven to rotate through water flow, and then impurities such as fine mud entering the water channel are pushed into the sewage discharge pipe through the brush plate, the irrigation water quality in the water channel is effectively improved, the phenomenon that excessive impurities increase the working load of the irrigation device is avoided, and the service life of the irrigation device is prolonged.
3. According to the invention, the vibrating rod is arranged on the dirt removing device, so that the filter screen of the water outlet pipe is knocked when the brush plate rotates after the dirt removing action is finished, impurities adhered to the filter screen are removed through vibration, the filter screen is prevented from being blocked in the long-term use process, the service life of the irrigation device is effectively prolonged, the labor intensity of manual cleaning is reduced, and the irrigation efficiency of the device is increased.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency irrigation device for hydraulic engineering provided by the invention;
FIG. 2 is a schematic structural diagram of a decontamination device in a high-efficiency irrigation device for hydraulic engineering, provided by the invention;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is an enlarged schematic view at B of FIG. 1;
fig. 5 is an enlarged schematic view at C in fig. 1.
In the figure, 1 a foundation layer, 2 a water channel, 21 a water inlet tank, 211 a limit groove, 212 a baffle, 213 a first gear, 214 a return spring, 215 a sealing plug, 216 a bottom plate, 22 a neck groove, 23 a water collecting tank, 3 an evaporation prevention cover plate, 31 a sliding block, 32 a rack, 33 a water inlet hole, 4 a sewage discharge pipe, 5 a decontamination device, 51 a flow blocking fan, 511 fan blades, 52 a transmission mechanism, 521 a second gear, 522 an incomplete gear, 53 a brush plate, 531 a return spring, 532 a 532 brush, 533 a through hole, 6 a water replenishing pipe, 7 a water outlet pipe, 71 a filter screen, 8 a vibrating rod, 81 a buffer spring and 82 a vibrating block.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-5, a high-efficient irrigation equipment for hydraulic engineering, including the ground basic unit 1, the ground basic unit 1 is equipped with ditch 2, it is to be explained that ditch 2 includes intake chamber 21, neck groove 22 and ponding groove 23, is different from the wide-mouthed project organization of traditional ditch 2, and intake chamber 21 adopts by big trapezoidal opening structure little, through reducing ditch 2 and external area of connection, effectively reduces the evaporation degree of the interior water yield of ditch, avoids causing the waste of water resource.
The water inlet of ditch 2 is equipped with prevents evaporating apron 3, prevents evaporating apron 3 and carries out airtight protection to ditch 2, prevents evaporating apron 3 and 21 sliding connection of intake chamber, and it needs to notice that prevents evaporating apron 3 and adopts the U-shaped structure, and the intake chamber 21 symmetry is equipped with spacing groove 211, prevents evaporating apron 3 and passes through slider 31 and spacing groove 211 sliding connection for the spacing work of slip to preventing evaporating apron 3.
The intake antrum 21 symmetry is equipped with baffle 212, baffle 212 passes through the bearing and the side rotation of intake antrum 21 is connected, the first gear 213 of the coaxial fixedly connected with of baffle 212, first gear 213 passes through rack 32 and prevents that evaporation apron 3 meshes the connection, first gear 213 and rack 32 all set up the both ends position that baffle 212 is close to intake antrum 21 for prevent that evaporation apron 3 drives baffle 212 at the in-process that descends and rotates the expansion, the work of catchmenting of the rainwater of being convenient for etc..
The water inlet groove 21 is movably connected with a plurality of groups of sealing plugs 215 through a return spring 214, the sealing plugs 215 are of a round table structure, the evaporation-proof cover plate 3 is provided with a plurality of groups of water inlet holes 33, the sealing plugs 215 are matched and connected with the water inlet holes 33, the sealing plugs 215 are fixedly connected with the bottom plate 216 through connecting rods, one end of each return spring 214 penetrates through the connecting rods and is fixedly connected with the bottom plate 216, the other end of each return spring 214 is fixedly connected with the evaporation-proof cover plate 3 and is used for resetting the evaporation-proof cover plate 3, it is worth mentioning that the water channel 2 can be sealed in a normal period through the matching of the sealing plugs 215 and the water inlet holes 33, the large-amplitude evaporation of water in the water channel 2 caused by overhigh external environment temperature is reduced, and the waste of water resources in the water channel 2 is reduced; when water is collected in the period of water diversion or rainy days, large-scale impurities such as sludge and fallen leaves are prevented from entering the ditch 2, and the irrigation water quality in the ditch 2 is improved.
The one end that the water inlet was kept away from to ditch 2 is equipped with blow off pipe 4, blow off pipe 4 carries out desliming work through scrubbing device 5, scrubbing device 5 and ponding groove 23 swing joint, it is required to explain, blow off pipe 4 sets up the bottom at the ponding groove 23 of ditch 2, swing through brush board 53, push in blow off pipe 4 with thin mud, the mud device is taken out in addition to blow off pipe 4, the staff of being convenient for regularly goes mud work, guarantee the quality of water in ditch 2, reduce irrigation equipment and be drawing water the load of in-process, the service life of the device is prolonged.
Scrubbing device 5 and water inlet cooperation set up, and specific cooperation mode of setting: the dirt removing device 5 comprises a choke fan 51, a transmission mechanism 52 and a brush plate 53, the water collecting tank 23 is of a cylindrical structure, the choke fan 51 and the brush plate 53 are rotatably connected with the water collecting tank 23 through bearings, and the choke fan 51 is meshed and connected with the brush plate 53 through the transmission mechanism 52.
Specifically, the choked flow fan 51 is provided with a plurality of sets of fan blades 511 which are obliquely arranged, the oblique direction faces one end of the neck groove 52, the fan blades 511 and the neck groove 22 are arranged in a staggered manner, so that water flow pushes the fan blades 511 to drive the choked flow fan 51 to rotate, and the bottom plate 216 at one end of the water inlet groove 21, which is far away from the fan blades 511, is arranged in an extending manner and is used for centralized work of water flow in the water inlet groove 21.
More specifically, drive mechanism 52 includes intermeshing's second gear 521 and incomplete gear 522, second gear 521 and brush board 53 coaxial fixed connection, incomplete gear 522 and choked flow fan 51 fixed connection, the one end that second gear 521 was kept away from to brush board 53 is connected through return spring 531 and ponding groove 23 rotation, make brush board 53 when revolving after accomplishing the blowdown action, the cooperation vibrating arm 8 is strikeed filter screen 71 of outlet pipe 7, brush board 53 is equipped with brush 532, brush 532 and ponding groove 23 swing joint, the real-time blowdown work that expandes of the during operation of being convenient for catchmenting of ditch 2, guarantee the quality of water in the ditch 2.
The one end that ditch 2 is close to blow off pipe 4 is equipped with moisturizing pipe 6, and the one end that ditch 2 kept away from blow off pipe 4 is equipped with outlet pipe 7, and it needs to notice that moisturizing pipe 6 is used for ditch 2 at the moisturizing work of arid weather, or at the work of drawing water of flood weather, guarantees the invariant of the water yield in ditch 2, and outlet pipe 7 is with the unified water supply work of agricultural irrigation equipment, avoids the drawback of traditional portable irrigation mode, improves the irrigation efficiency of agricultural.
The outlet pipe 7 is movably connected with the dirt removing device 5 through a vibrating rod 8, and the concrete movable connection mode is as follows: vibrating arm 8 adopts T shape structure, brush board 53 is equipped with through-hole 533, vibrating arm 8 passes through buffer spring 81 and through-hole 533 sliding connection, the slope of outlet pipe 7 is equipped with filter screen 71, the in-process impurity that is convenient for draw water of outlet pipe 7 carries out the decontamination work of whereabouts under the action of gravity, vibrating arm 8 passes through vibrating mass 82 and filter screen 71 swing joint, vibrating mass 82 adopts spherical structure, make brush board 53 strike filter screen 71 at the gyration in-process after accomplishing the blowdown action, get rid of the impurity of adhesion on filter screen 71 through the vibration, avoid filter screen 71 to be blockked up, improve irrigation equipment's life, increase device's irrigation efficiency.
The operating principle of the present invention will now be described as follows:
when the invention is used, when the canal 2 is in rainy days or water diversion work of hydraulic engineering is carried out, water resources are deposited on the evaporation-proof cover plate 3, the water resources slide with the water inlet groove 21 along with the increasing pressure on the evaporation-proof cover plate 3, at the moment, the sliding block 31 fixedly connected with the evaporation-proof cover plate 3 slides through the limiting groove 211 and the water inlet groove 21, the rack 32 fixedly connected with the evaporation-proof cover plate 3 drives the baffle plate 212 to unfold through the meshed and connected first gear 213, so that the water can enter the canal to a large extent, large-scale impurities such as fallen leaves in the water flow are intercepted on the evaporation-proof cover plate 3, part of impurities such as fine mud enter the water accumulating groove 23 through the neck groove 22 through the gap between the water inlet 33 and the sealing plug 215 through the bottom plate 216, the flow-blocking fan 51 is driven to rotate when the water flow passes through the fan blade 511, the flow-blocking fan 51 drives the meshed and connected second gear 521 to rotate through the incomplete gear 522, second gear 521 drives brush board 53 and swings the desilting action to the bottom of ponding groove 23, and then push the silt into blow off pipe 4 and deposit, brush board 53 is because the existence of return spring 531 swinging the desilting, make incomplete gear 522 when breaking away from the meshing with second gear 521, can carry out the gyration action, can strike the dust removal action to the filter screen 71 of outlet pipe 7 through vibrating mass 82 when brush board 53 is gyration, vibrating arm 8 slides through buffer spring 81 and brush board 53's through-hole 533 this moment, avoid vibrating mass 82 and filter screen 71 to strike the range too big damage that causes to filter screen 71, guarantee the irrigation quality when outlet pipe 7 draws water, reduce irrigation equipment's work load.
After the diversion work of accomplishing the ditch or stopping rain, prevent evaporating cover plate 3 and can reset under reset spring 214's effect, baffle 212 rotates and withdraws, the sealed work to ditch 2 is accomplished to the screens of cooperation sealing plug 215 and inlet opening 33, reduce because of the evaporation by a wide margin of the too high interior water yield of ditch 2 that leads to of external environment temperature, the staff is regularly got rid of the mud in the blow off pipe 4 through taking out the mud device, when agricultural needs irrigate, directly carry out unified irrigation water work through outlet pipe 7, guarantee the irrigation efficiency of agricultural.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a high-efficient irrigation equipment for hydraulic engineering, includes ground basic unit (1), its characterized in that, ground basic unit (1) is equipped with ditch (2), the water inlet of ditch (2) is equipped with evaporation prevention apron (3), evaporation prevention apron (3) carry out airtight protection to ditch (2), the one end that the water inlet was kept away from in ditch (2) is equipped with blow off pipe (4), blow off pipe (4) carry out desliming work through scrubbing device (5), scrubbing device (5) and water inlet cooperation set up, the one end that ditch (2) are close to blow off pipe (4) is equipped with moisturizing pipe (6), the one end that blow off pipe (4) were kept away from in ditch (2) is equipped with outlet pipe (7), outlet pipe (7) are through vibrating arm (8) and scrubbing device (5) swing joint, ditch (2) are including intake antrum (21), The anti-evaporation cover plate comprises a neck groove (22) and a water accumulation groove (23), the anti-evaporation cover plate (3) is in sliding connection with a water inlet groove (21), the dirt removing device (5) is movably connected with the water accumulation groove (23), the anti-evaporation cover plate (3) is of a U-shaped structure, limiting grooves (211) are symmetrically arranged on the water inlet groove (21), the anti-evaporation cover plate (3) is in sliding connection with the limiting grooves (211) through a sliding block (31), baffle plates (212) are symmetrically arranged on the water inlet groove (21), a first gear (213) is coaxially and fixedly connected with the baffle plates (212), and the first gear (213) is in meshing connection with the anti-evaporation cover plate (3) through a rack (32);
the dirt removing device (5) comprises a choke fan (51), a transmission mechanism (52) and a brush plate (53), the water collecting tank (23) adopts a cylindrical structure, the choke fan (51) and the brush plate (53) are both rotationally connected with the water collecting tank (23), and the choke fan (51) is meshed and connected with the brush plate (53) through the transmission mechanism (52); vibrating arm (8) adopt T shape structure, brush board (53) are equipped with through-hole (533), vibrating arm (8) are through buffer spring (81) and through-hole (533) sliding connection, outlet pipe (7) slope is equipped with filter screen (71), vibrating arm (8) are through vibrating mass (82) and filter screen (71) swing joint, vibrating mass (82) adopt spherical structure.
2. The efficient irrigation device for the water conservancy project according to the claim 1, characterized in that a plurality of groups of sealing plugs (215) are movably connected to the water inlet channel (21) through a return spring (214), the sealing plugs (215) adopt a truncated cone-shaped structure, the evaporation-proof cover plate (3) is provided with a plurality of groups of water inlet holes (33), and the sealing plugs (215) are connected with the water inlet holes (33) in a matching manner.
3. The efficient irrigation device for the hydraulic engineering is characterized in that the flow blocking fan (51) is provided with a plurality of groups of obliquely arranged fan blades (511), the fan blades (511) and the neck grooves (22) are arranged in a staggered mode, and the water inlet groove (21) is arranged in a mode that the bottom plate (216) at one end, away from the fan blades (511), is extended.
4. The efficient irrigation device for the hydraulic engineering is characterized in that the transmission mechanism (52) comprises a second gear (521) and an incomplete gear (522) which are meshed with each other, the second gear (521) and the brush plate (53) are fixedly connected in a coaxial mode, and the incomplete gear (522) and the choke fan (51) are fixedly connected.
5. The efficient irrigation device for the hydraulic engineering is characterized in that one end, far away from the second gear (521), of the brush plate (53) is rotatably connected with the water accumulation groove (23) through a return spring (531), the brush plate (53) is provided with a brush (532), and the brush (532) is in swinging connection with the water accumulation groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151222.5A CN112459023B (en) | 2020-10-25 | 2020-10-25 | A high-efficient irrigation equipment for hydraulic engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151222.5A CN112459023B (en) | 2020-10-25 | 2020-10-25 | A high-efficient irrigation equipment for hydraulic engineering |
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| Publication Number | Publication Date |
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| CN112459023A CN112459023A (en) | 2021-03-09 |
| CN112459023B true CN112459023B (en) | 2022-02-25 |
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| CN202011151222.5A Active CN112459023B (en) | 2020-10-25 | 2020-10-25 | A high-efficient irrigation equipment for hydraulic engineering |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070038377A (en) * | 2005-10-05 | 2007-04-10 | 김도환 | Drain block for water sink into |
| CN204080766U (en) * | 2014-09-28 | 2015-01-07 | 云南农业大学 | A kind of field water channel production road |
| CN108360462A (en) * | 2018-01-24 | 2018-08-03 | 西北农林科技大学 | A kind of areas Han Han vaporization prevention frost heaving resistant easily freezes the urniform canal cross section of lid |
| CN208501642U (en) * | 2018-05-24 | 2019-02-15 | 河南沃德智能化工程有限公司 | A kind of water conservancy irrigation water channel with dredging function |
| CN209518040U (en) * | 2019-02-14 | 2019-10-22 | 合肥润绿灌溉有限公司 | A kind of efficient water-saving irrigation device |
-
2020
- 2020-10-25 CN CN202011151222.5A patent/CN112459023B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070038377A (en) * | 2005-10-05 | 2007-04-10 | 김도환 | Drain block for water sink into |
| CN204080766U (en) * | 2014-09-28 | 2015-01-07 | 云南农业大学 | A kind of field water channel production road |
| CN108360462A (en) * | 2018-01-24 | 2018-08-03 | 西北农林科技大学 | A kind of areas Han Han vaporization prevention frost heaving resistant easily freezes the urniform canal cross section of lid |
| CN208501642U (en) * | 2018-05-24 | 2019-02-15 | 河南沃德智能化工程有限公司 | A kind of water conservancy irrigation water channel with dredging function |
| CN209518040U (en) * | 2019-02-14 | 2019-10-22 | 合肥润绿灌溉有限公司 | A kind of efficient water-saving irrigation device |
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| CN112459023A (en) | 2021-03-09 |
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