CN109526686B - Irrigation method for sea rice planting - Google Patents
Irrigation method for sea rice planting Download PDFInfo
- Publication number
- CN109526686B CN109526686B CN201811545522.4A CN201811545522A CN109526686B CN 109526686 B CN109526686 B CN 109526686B CN 201811545522 A CN201811545522 A CN 201811545522A CN 109526686 B CN109526686 B CN 109526686B
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- China
- Prior art keywords
- irrigation water
- seawater
- collecting tank
- pump
- water collecting
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 17
- 235000009566 rice Nutrition 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000002262 irrigation Effects 0.000 title claims abstract description 9
- 238000003973 irrigation Methods 0.000 title claims abstract description 9
- 240000007594 Oryza sativa Species 0.000 title claims abstract 3
- 239000003621 irrigation water Substances 0.000 claims abstract description 49
- 239000013535 sea water Substances 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000001471 micro-filtration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 13
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 14
- 239000003513 alkali Substances 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 238000011033 desalting Methods 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
Images
Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J1/00—Arrangements of installations for producing fresh water, e.g. by evaporation and condensation of sea water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an irrigation method for planting sea rice. By providing an integrated vessel wherein the hold is provided with a seawater treatment module. And (4) transporting the integrated ship to a certain seawater depth position, and arranging pipelines along the way. The seawater is collected in the middle trough and the irrigation water collecting trough after being filtered by the arranged micro-filtration membrane and the filter pump. Collect in the irrigation water catch bowl that sets up after the sea water desalination through the high-pressure pump that sets up and reverse osmosis membrane. The water quantity pumped into the irrigation water collecting tank by the filter pump and the high-pressure pump is controlled by a liquid level meter arranged in the irrigation water collecting tank. The irrigation water is conveyed to the paddy field by a pipeline through a liquid level meter control conveying pump arranged in the irrigation water collecting tank. The level gauge that sets up in the irrigation water catch bowl sets for different water levels according to the salt rate of required irrigation water, and the water yield of rethread control filter pump and high-pressure pump going into to the irrigation water catch bowl pump reaches the salt rate of required irrigation water.
Description
Technical Field
The invention belongs to the technical field of seawater rice planting, and particularly relates to an irrigation method for seawater rice planting.
Background
Sea rice is a term for "saline-alkali tolerant rice", i.e., rice that grows in saline-alkali soil, including shoals at seasides. The area of the Chinese saline-alkali soil is the third place in the world, and the Chinese saline-alkali soil has the agricultural development potential and accounts for more than 10 percent of the total area of the Chinese cultivated land. According to the recent experimental results of the Yuanyongping scientific research team, after the seawater rice is popularized and planted in a large area, 300 hundred million kilograms of grains can be added to China every year, and the method has important significance for guaranteeing the grain safety of China. However, the seawater rice is not rice which can grow in seawater, and the salt tolerance of the seawater rice is only about 1/10 of the seawater, so that a large amount of fresh water is still needed under the existing planting conditions. How to effectively reduce the consumption of fresh water, especially how to directly utilize seawater to satisfy the irrigation conditions is an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide an irrigation method for planting sea rice, aiming at the problem of sea rice irrigation.
The method comprises the following specific steps:
(1) arranging an integrated ship which comprises a bow, a ship wheel, a cabin, a stern and an engine; the ship is used for ship body land movement; the cabin is provided with a seawater treatment module; the stern is provided with a pipeline collecting and arranging module; the engine is used for providing power or electric power for ships, the seawater treatment module, the pipeline collection and arrangement module and the like; the seawater treatment module comprises a microfiltration membrane, a filter pump, an intermediate tank, a high-pressure pump, a reverse osmosis membrane, an irrigation water collecting tank and a delivery pump; the micro-filtration membrane is directly placed in the seawater, or the seawater can directly enter a water tank of the micro-filtration membrane; the aperture of the micro-filtration membrane can be between 0.02 and 10 microns; the reverse osmosis membrane refers to a semipermeable membrane with a certain salt rejection rate; a liquid level meter is arranged in the irrigation water collecting tank.
(2) Through dragging, the integrated ship set up in (1) is transported to the seaside, the integrated ship set up in (1) is started, the integrated ship is transported to a certain seawater depth position, and pipeline arrangement is carried out along the way through the pipeline arrangement module set up in (1) stern.
(3) Filtering the seawater through the microfiltration membrane and the filter pump arranged in the step (1), and collecting the filtered seawater in the intermediate tank and the irrigation water collecting tank arranged in the step (1).
(4) And (3) collecting the seawater after desalting the seawater in the irrigation water collecting tank arranged in the step (1) through the high-pressure pump and the reverse osmosis membrane arranged in the step (1).
(5) The water quantity pumped into the irrigation water collecting tank (1) by the filter pump and the high-pressure pump is controlled by a liquid level meter arranged in the irrigation water collecting tank (1).
(6) And (2) controlling a delivery pump to deliver irrigation water to the paddy field through a pipeline by a liquid level meter arranged in the irrigation water collecting tank (1).
Different water levels are set by a liquid level meter arranged in the irrigation water collecting tank according to the salt content rate of the needed irrigation water, and the water quantity pumped into the irrigation water collecting tank (1) by controlling a filter pump and a high-pressure pump reaches the salt content rate of the needed irrigation water.
The method can effectively avoid the consumption of fresh water resources in the process of planting the sea rice, and has the advantage of convenient operation.
Drawings
Fig. 1 and 2 are schematic structural views of an apparatus used in an embodiment of the present invention.
In FIG. 1, the labels: 1-bow; 2-a ship; 3-a cabin; 4-stern.
In FIG. 2, the notation: 5-microfiltration membrane; 6-a filter pump; 7-an intermediate tank; 8-a high pressure pump; 9-a reverse osmosis membrane; 10-irrigation water collecting tank; 11-a cross-over point; 12-a delivery pump; 13-pipeline.
Detailed Description
Example (b):
(1) providing an integrated ship comprising a bow 1, a ship 2, a hold 3, a stern 4 and an engine as shown in fig. 1; the ship 2 is used for ship body land movement; the cabin 3 is provided with a seawater treatment module; the stern 4 is provided with a pipeline collecting and arranging module; the engine is used for providing power or electric power for ships, the seawater treatment module, the pipeline collection and arrangement module and the like; the seawater treatment module comprises a microfiltration membrane 5, a filter pump 6, an intermediate tank 7, a high-pressure pump 8, a reverse osmosis membrane 9, an irrigation water collecting tank 10 and a delivery pump 12 which are shown in figure 2; the microfiltration membrane 5 is directly placed in seawater, or the seawater can directly enter a water tank of the microfiltration membrane 5; the aperture of the micro-filtration membrane 5 can be between 0.02 and 10 microns; the reverse osmosis membrane 9 is a semipermeable membrane having a certain salt rejection rate; a liquid level meter is arranged in the irrigation water collecting tank 10.
(2) The integrated ship set in (1) is transported to the sea by towing, the integrated ship is started, the integrated ship is transported to a position with the water depth higher than the draught level by more than 0.5 m, and the pipeline 13 shown in fig. 2 is arranged along the way through a pipeline arrangement module set at the stern 4 shown in fig. 1.
(3) The seawater is collected in an intermediate tank 7 and an irrigation water collecting tank 10 shown in fig. 2 after being filtered by a microfiltration membrane 5 and a filtration pump 6 shown in fig. 2 arranged in (1).
(4) Sea water is desalted by a high-pressure pump 8 and a reverse osmosis membrane 9 shown in FIG. 2 arranged in (1), and then collected in an irrigation water collecting tank 10 shown in FIG. 2 arranged in (1).
(5) The amount of water pumped into the irrigation water collection tank 10 shown in fig. 2 arranged in (1) is controlled by the high-pressure pump 8 and the reverse osmosis membrane 9 arranged in the irrigation water collection tank 10 shown in fig. 2 arranged in (1).
(6) The pump 12 shown in FIG. 2 is controlled by a level meter provided in the irrigation water collection tank 10 shown in FIG. 2 provided in (1) to deliver irrigation water to the paddy fields through the pipe 13 shown in FIG. 2.
The level gauge arranged in the irrigation water collecting tank 10 sets different water levels according to the salt content of the required irrigation water, and the amount of water pumped into the irrigation water collecting tank 10 shown in fig. 2 is controlled by the filter pump 6 and the high-pressure pump 8 shown in fig. 2 to reach the salt content of the required irrigation water.
Taking a sea area with the salt content of seawater of 3.5% as an example, the salt content of the irrigation water collecting tank 10 shown in fig. 2 can be respectively 0.35%, 0.17% and 0.35% per mill by controlling the filter pump 6 and the high-pressure pump 8 shown in fig. 2 to pump the irrigation water collecting tank 10 shown in fig. 2 according to the water volume proportion of 9:1, 19:1 and 99:1, so that the irrigation requirements of the seawater rice at different growth stages can be met.
Claims (1)
1. An irrigation method for sea rice planting is characterized by comprising the following specific steps:
(1) arranging an integrated ship which comprises a bow, a ship wheel, a cabin, a stern and an engine; the ship is used for ship body land movement; the cabin is provided with a seawater treatment module; the stern is provided with a pipeline collecting and arranging module; the engine is used for providing power or electric power for the ship, the seawater treatment module and the pipeline collection and arrangement module; the seawater treatment module comprises a microfiltration membrane, a filter pump, an intermediate tank, a high-pressure pump, a reverse osmosis membrane, an irrigation water collecting tank and a delivery pump; the micro-filtration membrane is directly placed in seawater, and the seawater can directly enter a water tank of the micro-filtration membrane; the aperture of the micro-filtration membrane is between 0.02 and 10 microns; the reverse osmosis membrane refers to a semipermeable membrane with a certain salt rejection rate; a liquid level meter is arranged in the irrigation water collecting tank;
(2) transporting the integrated ship set in the step (1) to the sea side by dragging, starting the integrated ship set in the step (1), transporting the integrated ship to a position with a certain seawater depth, and carrying out pipeline arrangement along the way by a pipeline arrangement module arranged at the stern of the integrated ship set in the step (1);
(3) filtering seawater through the microfiltration membrane and the filter pump which are arranged in the step (1), and collecting the filtered seawater in the intermediate tank and the irrigation water collecting tank which are arranged in the step (1);
(4) collecting the desalted seawater in the irrigation water collecting tank set in the step (1) through the high-pressure pump and the reverse osmosis membrane set in the step (1);
(5) controlling the amount of water pumped into the irrigation water collecting tank arranged in the step (1) by a filter pump and a high-pressure pump through a liquid level meter arranged in the irrigation water collecting tank arranged in the step (1);
(6) conveying irrigation water to the paddy field through a pipeline by a liquid level meter control conveying pump arranged in the irrigation water collecting tank arranged in the step (1);
different water levels are set by a liquid level meter arranged in the irrigation water collecting tank according to the salt content rate of the needed irrigation water, and the salt content rate of the needed irrigation water is reached by controlling the water amount pumped into the irrigation water collecting tank arranged in the step (1) by a filter pump and a high-pressure pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545522.4A CN109526686B (en) | 2018-12-17 | 2018-12-17 | Irrigation method for sea rice planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545522.4A CN109526686B (en) | 2018-12-17 | 2018-12-17 | Irrigation method for sea rice planting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109526686A CN109526686A (en) | 2019-03-29 |
| CN109526686B true CN109526686B (en) | 2021-04-09 |
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ID=65855010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545522.4A Active CN109526686B (en) | 2018-12-17 | 2018-12-17 | Irrigation method for sea rice planting |
Country Status (1)
| Country | Link |
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| CN (1) | CN109526686B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111771639A (en) * | 2020-07-13 | 2020-10-16 | 江苏天海泵业有限公司 | Method for planting rice in heavy saline-alkali soil by fresh water irrigation, drainage and salt control |
| CN114128609B (en) * | 2021-11-26 | 2022-11-04 | 广州大学 | System and method for adjusting alkaline concentration of seawater rice soil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921007A (en) * | 2010-05-24 | 2010-12-22 | 中国神华能源股份有限公司 | Sea water desalination system and sea water desalination method |
| CN103663837A (en) * | 2013-12-26 | 2014-03-26 | 中国华能集团清洁能源技术研究院有限公司 | Seawater desalination system and seawater desalination method |
| CN107711191A (en) * | 2017-11-15 | 2018-02-23 | 宋宏婷 | A kind of vinyl house with seawater planting |
| CN107743797A (en) * | 2017-11-15 | 2018-03-02 | 宋宏婷 | A kind of warmhouse booth planted with seawater |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03219812A (en) * | 1990-01-23 | 1991-09-27 | Mikio Sakurai | Irrigation system |
| CN2287095Y (en) * | 1996-11-20 | 1998-08-05 | 官廷升 | Land-water boat |
| CN2711038Y (en) * | 2004-05-28 | 2005-07-20 | 天津市海跃水处理高科技有限公司 | Sea water desalination ship |
| CN101500946A (en) * | 2006-06-13 | 2009-08-05 | 西门子水处理技术公司 | Method and system for providing potable water |
| CN105857563A (en) * | 2016-04-15 | 2016-08-17 | 绍兴文理学院 | Transverse pipe evaporation type seawater desalination vegetable cultivation ship |
| CN108849406A (en) * | 2018-07-20 | 2018-11-23 | 华北水利水电大学 | A kind of solar powered unconventional water irrigation rig |
-
2018
- 2018-12-17 CN CN201811545522.4A patent/CN109526686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921007A (en) * | 2010-05-24 | 2010-12-22 | 中国神华能源股份有限公司 | Sea water desalination system and sea water desalination method |
| CN103663837A (en) * | 2013-12-26 | 2014-03-26 | 中国华能集团清洁能源技术研究院有限公司 | Seawater desalination system and seawater desalination method |
| CN107711191A (en) * | 2017-11-15 | 2018-02-23 | 宋宏婷 | A kind of vinyl house with seawater planting |
| CN107743797A (en) * | 2017-11-15 | 2018-03-02 | 宋宏婷 | A kind of warmhouse booth planted with seawater |
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| CN109526686A (en) | 2019-03-29 |
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Application publication date: 20190329 Assignee: Guilin xingbaili Machinery Manufacturing Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980044441 Denomination of invention: An Irrigation Method for Planting Seawater Rice Granted publication date: 20210409 License type: Common License Record date: 20231026 |