CN114344983A - High-pressure spraying water quality oxygenation device - Google Patents
High-pressure spraying water quality oxygenation device Download PDFInfo
- Publication number
- CN114344983A CN114344983A CN202210059794.3A CN202210059794A CN114344983A CN 114344983 A CN114344983 A CN 114344983A CN 202210059794 A CN202210059794 A CN 202210059794A CN 114344983 A CN114344983 A CN 114344983A
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- Prior art keywords
- rod
- rotating shaft
- hole
- water quality
- fixing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 26
- 238000005507 spraying Methods 0.000 title claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 17
- 241000220317 Rosa Species 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 7
- 239000011148 porous material Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of water quality oxygenation, and particularly relates to a high-pressure spraying water quality oxygenation device. According to the invention, the brush block is cleaned by rotating the fan blades through the water flow of the water suction pipe, so that the damage of the motor caused by water inflow of the motor is greatly avoided, and the working efficiency is reduced.
Description
Technical Field
The invention relates to the technical field of water quality oxygenation, in particular to a high-pressure spraying water quality oxygenation device.
Background
The oxygen increasing machine is a machine which is often applied to fishery breeding industry, the oxygen increasing machine mainly has the advantages that the oxygen content in water is increased to ensure that fish in the water cannot lack oxygen, the growth of anaerobic bacteria in the water can be inhibited, the deterioration of pond water is prevented from threatening the living environment of the fish, the oxygen increasing machine generally drives air into the water by an air pump carried by the oxygen increasing machine, the purpose of increasing the oxygen content in the water is achieved, the air water dissolving rate is too low, and the oxygen increasing effect is better in a mode of spraying the water at high pressure and then falling into the pond.
The patent of application number for CN201910599535.8 discloses a high pressure sprays quality of water oxygenation device, the inlet tube that draws water to current water pump does not set up protection device, easy suction debris, damage the water pump, and it is fixed to spray the radius, can not adjust as required and spray the radius, to the not good shortcoming of waters oxygenation effect of large tracts of land, and provide following scheme, it includes the pond, has placed two supports in the pond, and the top fixed mounting of two supports has same extension board, and the top side fixed mounting of extension board has shower and water pump, one side fixed mounting of support has the rose box, and one side of rose box is the opening setting. According to the spraying water quality oxygenation device, when the water pump pumps water, impurities in water are filtered by the filter plate and cannot be sucked by the water pump to damage the water pump, the filter plate can be automatically cleaned when being blocked, the spraying area can be reasonably adjusted according to the area of a water area, the dissolved oxygen efficiency is improved, and the use requirements are met.
However, after the motor works underwater for a long time, damage can be caused to the inside of the motor, and the cleaning efficiency of the filter plate is greatly reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-pressure spraying water quality oxygenation device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-pressure spraying water quality oxygenation device comprises a filter box, one side of the filter box is of an open structure, a filter plate is fixedly installed in the filter box, a support rod is fixedly installed on the inner wall of the bottom of the filter box, a rotating hole is formed in one side of the support rod, a rotating shaft is slidably installed in the rotating hole, a turntable is fixedly installed at one end of the rotating shaft, a short rod is fixedly installed at the top of one side, away from the rotating shaft, of the turntable, a cross rod is sleeved on the short rod, a pore is formed in one side of the cross rod, the short rod is contacted with the pore, a fixed hole is formed in one side, close to the filter plate, of the top of the cross rod, a vertical rod is slidably installed in the fixed hole, the top and the bottom of the vertical rod are respectively and fixedly connected with the inner walls of the top and the bottom of the filter box, a brush block is fixedly installed at one end, close to the filter plate, brush bristles are fixedly installed at one side, close to the filter plate, and are contacted with the filter plate, a water suction pipe is fixedly arranged on one side of the top of the filter box.
Preferably, the top of rose box is rotated and is installed first pivot, and fixed mounting has the one end of loop bar in the first pivot, and the other end slidable mounting of loop bar has the telescopic link, and the other end of telescopic link rotates and installs the second pivot, and fixed mounting has the runner in the second pivot, and even annular fixed mounting all around of runner has the flabellum, and the flabellum is located the top of the pipe that absorbs water.
Preferably, a sliding hole is formed in the inner wall of the bottom of the sleeve rod, a sliding rod is slidably mounted in the sliding hole, one end of the sliding rod extends into the sleeve rod and is fixedly connected with one side of the telescopic rod, the other end of the sliding rod extends out of the sleeve rod, and a third rotating shaft is rotatably mounted at one end of the sliding rod extending out of the sleeve rod.
Preferably, the top of the filter box is provided with a groove, a fixing rod is slidably mounted in the groove, one end of a first spring is fixedly mounted at the bottom of the fixing rod, the other end of the first spring is fixedly connected with the inner wall of the bottom of the groove, and a pull rod is fixedly mounted at the top of the fixing rod.
Preferably, a fixing groove is formed in the top of the fixing rod, a fixing block is slidably mounted in the fixing groove, one end of an opening rod is fixedly mounted at the top of the fixing block, and the other end of the opening rod is fixedly connected with the third rotating shaft.
Preferably, the top of the filter box is fixedly provided with a thin rod, the top of one side of the thin rod is provided with a through hole, and a rolling rod is rotatably arranged in the through hole.
Preferably, the inner wall of one side of the top of the filter box is provided with a hole, the rotating shaft is sleeved with one end of a first belt, and the other end of the first belt penetrates through the hole and is sleeved with the rolling rod.
Preferably, one side of the rolling rod is sleeved with one end of a second belt, and a second rotating shaft at the other end of the second belt is sleeved with the second rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
when the high-pressure spraying water quality oxygenation device needs to be cleaned, firstly, water flow is sprayed out of the water suction pipe, then the water flow drives the fan blades to rotate, the fan blades drive the rotating wheels to rotate, the rotating wheels drive the second rotating shafts to rotate, the second rotating shafts drive the second belts to rotate, the second belts drive the rolling rods to rotate, the rolling rods drive the first belts to rotate, the first belts drive the rotating shafts, the rotating shafts drive the rotating discs to rotate, the rotating discs drive the short rods to rotate, the short rods drive the cross rods to move, the cross rods drive the brush blocks to move, the brush blocks drive the brush bristles to move, and the brush bristles clean on the filter plate, so that the cleaning purpose is achieved;
according to the invention, the brush block is cleaned by rotating the fan blades through the water flow of the water suction pipe, so that the damage of the motor caused by water inflow of the motor is greatly avoided, and the working efficiency is reduced.
Drawings
FIG. 1 is a schematic front structural view of a high-pressure spraying water quality aerator provided by the invention;
FIG. 2 is a schematic side view of a high-pressure spraying water quality aerator according to the present invention;
FIG. 3 is a schematic structural view of part A of a high-pressure spraying water quality oxygenation device provided by the invention;
FIG. 4 is a schematic structural view of part B of a high-pressure spraying water quality oxygenation device provided by the invention;
fig. 5 is a schematic view of a three-dimensional structure of a filter box of the high-pressure spraying water quality oxygenation device provided by the invention.
In the figure: 1 filter box, 2 filter plates, 3 support rods, 4 rotating holes, 5 rotating shafts, 6 turntables, 7 short rods, 8 cross rods, 9 pore passages, 10 fixing holes, 11 vertical rods, 12 brush blocks, 13 water suction pipes, 14 first rotating shafts, 15 loop bars, 16 telescopic rods, 17 second rotating shafts, 18 rotating wheels, 19 fan blades, 20 sliding holes, 21 sliding rods, 22 third rotating shafts, 23 grooves, 24 fixing rods, 25 pull rods, 26 fixing grooves, 27 fixing blocks, 28 open rods, 29 thin rods, 30 through holes, 31 rolling rods, 32 holes, 33 first belts and 34 second belts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-5, a high-pressure spraying water quality oxygenation device, which comprises a filter box 1, one side of the filter box 1 is of an open structure, a filter plate 2 is fixedly installed in the filter box 1, a support rod 3 is fixedly installed on the inner wall of the bottom of the filter box 1, one side of the support rod 3 is provided with a rotating hole 4, a rotating shaft 5 is slidably installed in the rotating hole 4, one end of the rotating shaft 5 is fixedly provided with a turntable 6, the top of one side, away from the rotating shaft 5, of the turntable 6 is fixedly provided with a short rod 7, the short rod 7 is sleeved with a cross rod 8, one side of the cross rod 9 is provided with a pore 9, the short rod 7 is contacted with the pore 9, one side, close to the filter plate 2, of the top of the cross rod 8 is provided with a fixed hole 10, a vertical rod 11 is slidably installed in the fixed hole 10, the top and the bottom of the vertical rod 11 are respectively fixedly connected with the inner walls of the top and the bottom of the filter box 1, one end, close to the filter plate 2, of the cross rod 8 is fixedly provided with a brush block 12, one side fixed mounting that brush block 12 is close to filter 2 has the brush hair, and the brush hair contacts with filter 2, and top one side fixed mounting of rose box 1 has suction pipe 13, and filter 2 is used for filtering.
Example two
According to the invention, a first rotating shaft 14 is rotatably mounted at the top of a filter box 1, one end of a sleeve rod 15 is fixedly mounted on the first rotating shaft 14, an expansion rod 16 is slidably mounted at the other end of the sleeve rod 15, a second rotating shaft 17 is rotatably mounted at the other end of the expansion rod 16, a rotating wheel 18 is fixedly mounted on the second rotating shaft 17, fan blades 19 are uniformly and annularly fixedly mounted on the periphery of the rotating wheel 18, the fan blades 19 are positioned above a water suction pipe 13, and the sleeve rod 15 is used for sliding.
In the invention, a sliding hole 20 is formed in the inner wall of the bottom of the loop bar 15, a sliding bar 21 is slidably mounted in the sliding hole 20, one end of the sliding bar 21 extends into the loop bar 15 and is fixedly connected with one side of the telescopic bar 16, the other end of the sliding bar 21 extends out of the loop bar 15, a third rotating shaft 22 is rotatably mounted at one end of the sliding bar 21 extending out of the loop bar 15, and the sliding bar 21 is used for sliding.
In the invention, the top of the filter box 1 is provided with a groove 23, a fixing rod 24 is slidably mounted in the groove 23, one end of a first spring is fixedly mounted at the bottom of the fixing rod 24, the other end of the first spring is fixedly connected with the inner wall of the bottom of the groove 23, a pull rod 25 is fixedly mounted at the top of the fixing rod 24, and the fixing rod 24 is used for fixing.
In the invention, the top of the fixing rod 24 is provided with a fixing groove 26, a fixing block 27 is slidably mounted in the fixing groove 26, one end of an opening rod 28 is fixedly mounted at the top of the fixing block 27, the other end of the opening rod 28 is fixedly connected with the third rotating shaft 22, and the fixing block 27 is used for fixing.
In the invention, a thin rod 29 is fixedly arranged at the top of the filter box 1, a through hole 30 is formed in the top of one side of the thin rod 29, a rolling rod 31 is rotatably arranged in the through hole 30, and the thin rod 29 is used for connection.
In the invention, an opening 32 is formed in the inner wall of one side of the top of the filter box 1, one end of a first belt 33 is sleeved on the rotating shaft 5, and the other end of the first belt 33 penetrates through the opening 32 to be sleeved on the rolling rod 31.
In the invention, one side of the rolling rod 31 is sleeved with one end of a second belt 34, the other end of the second belt 34 is sleeved with a second rotating shaft 17, and the second belt 34 is used for rotating.
EXAMPLE III
A high-pressure spraying water quality oxygenation device comprises a filter box 1, one side of the filter box 1 is of an open structure, a filter plate 2 is fixedly welded in the filter box 1, a support rod 3 is fixedly welded on the inner wall of the bottom of the filter box 1, a rotating hole 4 is chiseled on one side of the support rod 3, a rotating shaft 5 is slidably mounted in the rotating hole 4, a turntable 6 is fixedly welded at one end of the rotating shaft 5, a short rod 7 is fixedly welded at the top of one side, away from the rotating shaft 5, of the turntable 6, a cross rod 8 is sleeved on the short rod 7, a hole 9 is chiseled on one side of the cross rod 9, the short rod 7 is in contact with the hole 9, a fixing hole 10 is chiseled at one side, close to the filter plate 2, of the top of the cross rod 8, a vertical rod 11 is slidably mounted in the fixing hole 10, the top and the bottom of the vertical rod 11 are respectively fixedly connected with the inner walls of the top and the bottom of the filter box 1, a brush block 12 is fixedly welded at one end, close to the filter plate 2, of the cross rod 8, brush hair is fixedly welded to one side of the brush block 12 close to the filter plate 2, the brush hair is in contact with the filter plate 2, and a water suction pipe 13 is fixedly welded to one side of the top of the filter box 1.
In the invention, a first rotating shaft 14 is rotatably installed at the top of a filter box 1, one end of a sleeve rod 15 is fixedly welded on the first rotating shaft 14, a telescopic rod 16 is slidably installed at the other end of the sleeve rod 15, a second rotating shaft 17 is rotatably installed at the other end of the telescopic rod 16, a rotating wheel 18 is fixedly welded on the second rotating shaft 17, fan blades 19 are uniformly and annularly fixedly welded on the periphery of the rotating wheel 18, and the fan blades 19 are positioned above a water suction pipe 13.
In the invention, a sliding hole 20 is chiseled on the inner wall of the bottom of the sleeve rod 15, a sliding rod 21 is slidably mounted in the sliding hole 20, one end of the sliding rod 21 extends into the sleeve rod 15 and is fixedly connected with one side of the telescopic rod 16, the other end of the sliding rod 21 extends out of the sleeve rod 15, and a third rotating shaft 22 is rotatably mounted at one end of the sliding rod 21 extending out of the sleeve rod 15.
In the invention, a groove 23 is chiseled at the top of the filter box 1, a fixed rod 24 is slidably mounted in the groove 23, one end of a first spring is fixedly welded at the bottom of the fixed rod 24, the other end of the first spring is fixedly connected with the inner wall of the bottom of the groove 23, and a pull rod 25 is fixedly welded at the top of the fixed rod 24.
In the invention, a fixing groove 26 is chiseled at the top of the fixing rod 24, a fixing block 27 is slidably mounted in the fixing groove 26, one end of an opening rod 28 is fixedly welded at the top of the fixing block 27, and the other end of the opening rod 28 is fixedly connected with the third rotating shaft 22.
In the invention, a thin rod 29 is fixedly welded at the top of the filter box 1, a through hole 30 is chiseled at the top of one side of the thin rod 29, and a rolling rod 31 is rotatably arranged in the through hole 30.
In the invention, an opening 32 is chiseled on the inner wall of one side of the top of the filter box 1, one end of a first belt 33 is sleeved on the rotating shaft 5, and the other end of the first belt 33 passes through the opening 32 and is sleeved on the rolling rod 31.
In the invention, one side of the rolling rod 31 is sleeved with one end of the second belt 34, and the other end of the second belt 34 is sleeved with the second rotating shaft 17.
According to the high-pressure spraying water quality oxygenation device, when cleaning is needed, firstly, water flow is sprayed out of the water suction pipe 13, then the water flow drives the fan blades 19 to rotate, the fan blades 19 drive the rotating wheels 18 to rotate, the rotating wheels 18 drive the second rotating shafts 17 to rotate, the second rotating shafts 17 drive the second belts 34 to rotate, the second belts 34 drive the rolling rods 31 to rotate, the rolling rods 31 drive the first belts 33 to rotate, the first belts 33 drive the rotating shafts 5, the rotating shafts 5 drive the rotating discs 6 to rotate, the rotating discs 6 drive the short rods 7 to rotate, the short rods 7 drive the cross rods 8 to move, the cross rods 8 drive the brush blocks 12 to move, the brush blocks 12 drive bristles to move, and the brush bristles clean on the filter plate 2, so that the cleaning purpose is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The high-pressure spraying water quality oxygenation device comprises a filter box (1) and is characterized in that one side of the filter box (1) is of an open structure, a filter plate (2) is fixedly installed in the filter box (1), a support rod (3) is fixedly installed on the inner wall of the bottom of the filter box (1), a rotating hole (4) is formed in one side of the support rod (3), a rotating shaft (5) is installed in the rotating hole (4) in a sliding mode, a turntable (6) is fixedly installed at one end of the rotating shaft (5), a short rod (7) is fixedly installed at the top of one side, far away from the rotating shaft (5), of the turntable (6), a transverse rod (8) is sleeved on the short rod (7), a hole channel (9) is formed in one side of the transverse rod (9), the short rod (7) is in contact with the hole channel (9), a fixing hole (10) is formed in one side, close to the filter plate (2), a vertical rod (11) is installed in the fixing hole (10) in a sliding mode, and the top and the bottom of montant (11) respectively with the top and the bottom inner wall of rose box (1) on fixed connection, the one end fixed mounting that is close to filter (2) of horizontal pole (8) has brush piece (12), one side fixed mounting that brush piece (12) are close to filter (2) has the brush hair, and the brush hair contacts with filter (2), top one side fixed mounting of rose box (1) has the pipe that absorbs water (13).
2. The high-pressure spraying water quality oxygenation device according to claim 1, characterized in that a first rotating shaft (14) is rotatably mounted at the top of the filter box (1), one end of a loop bar (15) is fixedly mounted on the first rotating shaft (14), an expansion link (16) is slidably mounted at the other end of the loop bar (15), a second rotating shaft (17) is rotatably mounted at the other end of the expansion link (16), a rotating wheel (18) is fixedly mounted on the second rotating shaft (17), blades (19) are uniformly and annularly fixedly mounted around the rotating wheel (18), and the blades (19) are located above the water suction pipe (13).
3. The high-pressure spraying water quality oxygenation device according to claim 2, characterized in that a sliding hole (20) is formed in the inner wall of the bottom of the loop bar (15), a sliding bar (21) is slidably mounted in the sliding hole (20), one end of the sliding bar (21) extends into the loop bar (15) and is fixedly connected with one side of the telescopic bar (16), the other end of the sliding bar (21) extends out of the loop bar (15), and a third rotating shaft (22) is rotatably mounted at one end of the sliding bar (21) extending out of the loop bar (15).
4. The high-pressure spraying water quality oxygenation device according to claim 1, characterized in that a groove (23) is formed in the top of the filter box (1), a fixing rod (24) is slidably mounted in the groove (23), one end of a first spring is fixedly mounted at the bottom of the fixing rod (24), the other end of the first spring is fixedly connected with the inner wall of the bottom of the groove (23), and a pull rod (25) is fixedly mounted at the top of the fixing rod (24).
5. The high-pressure spraying water quality oxygenation device according to claim 4, characterized in that a fixing groove (26) is formed in the top of the fixing rod (24), a fixing block (27) is slidably mounted in the fixing groove (26), one end of an opening rod (28) is fixedly mounted on the top of the fixing block (27), and the other end of the opening rod (28) is fixedly connected with the third rotating shaft (22).
6. The high-pressure spraying water quality oxygenation device according to claim 1, characterized in that a thin rod (29) is fixedly installed at the top of the filter box (1), a through hole (30) is formed in the top of one side of the thin rod (29), and a rolling rod (31) is rotatably installed in the through hole (30).
7. The high-pressure spraying water quality oxygenation device according to claim 1, characterized in that an opening (32) is formed in the inner wall of one side of the top of the filter box (1), one end of a first belt (33) is sleeved on the rotating shaft (5), and the other end of the first belt (33) penetrates through the opening (32) and is sleeved with the rolling rod (31).
8. The high-pressure spraying water quality oxygenation device according to claim 6, characterized in that one side of the rolling rod (31) is sleeved with one end of a second belt (34), and the other end of the second belt (34) is sleeved with a second rotating shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210059794.3A CN114344983A (en) | 2022-01-19 | 2022-01-19 | High-pressure spraying water quality oxygenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210059794.3A CN114344983A (en) | 2022-01-19 | 2022-01-19 | High-pressure spraying water quality oxygenation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114344983A true CN114344983A (en) | 2022-04-15 |
Family
ID=81092248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210059794.3A Pending CN114344983A (en) | 2022-01-19 | 2022-01-19 | High-pressure spraying water quality oxygenation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114344983A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461507B1 (en) * | 1998-09-17 | 2002-10-08 | Ishigaki Company Limited | Continuous squeeze-dewatering device |
| CN110367184A (en) * | 2019-07-04 | 2019-10-25 | 之间万维(北京)水环境技术有限公司 | A kind of high-pressure spraying water quality oxygen-increasing device |
| CN111874970A (en) * | 2020-07-29 | 2020-11-03 | 河南德中互利环境科技有限公司 | Intelligent full-ecological domestic sewage treatment equipment |
| CN214270439U (en) * | 2021-01-14 | 2021-09-24 | 澜途集思生态科技集团有限公司 | Organic wastewater treatment equipment |
| CN113678712A (en) * | 2021-08-03 | 2021-11-23 | 海南大学 | Portable irrigation equipment based on agricultural rice planting |
-
2022
- 2022-01-19 CN CN202210059794.3A patent/CN114344983A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461507B1 (en) * | 1998-09-17 | 2002-10-08 | Ishigaki Company Limited | Continuous squeeze-dewatering device |
| CN110367184A (en) * | 2019-07-04 | 2019-10-25 | 之间万维(北京)水环境技术有限公司 | A kind of high-pressure spraying water quality oxygen-increasing device |
| CN111874970A (en) * | 2020-07-29 | 2020-11-03 | 河南德中互利环境科技有限公司 | Intelligent full-ecological domestic sewage treatment equipment |
| CN214270439U (en) * | 2021-01-14 | 2021-09-24 | 澜途集思生态科技集团有限公司 | Organic wastewater treatment equipment |
| CN113678712A (en) * | 2021-08-03 | 2021-11-23 | 海南大学 | Portable irrigation equipment based on agricultural rice planting |
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Application publication date: 20220415 |