CN116495852B - Hydrojet type acid treatment device in half-floating raft type laver cultivation - Google Patents
Hydrojet type acid treatment device in half-floating raft type laver cultivation Download PDFInfo
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- CN116495852B CN116495852B CN202310710851.4A CN202310710851A CN116495852B CN 116495852 B CN116495852 B CN 116495852B CN 202310710851 A CN202310710851 A CN 202310710851A CN 116495852 B CN116495852 B CN 116495852B
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- 241000206607 Porphyra umbilicalis Species 0.000 title claims abstract description 44
- 238000007667 floating Methods 0.000 title claims abstract description 13
- 238000010306 acid treatment Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 229920000742 Cotton Polymers 0.000 claims abstract description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 241000195493 Cryptophyta Species 0.000 claims description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000013535 sea water Substances 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 235000015165 citric acid Nutrition 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 241000195628 Chlorophyta Species 0.000 abstract description 15
- 230000002147 killing effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 241000206761 Bacillariophyta Species 0.000 description 4
- 241000196252 Ulva Species 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 241000206613 Pyropia yezoensis Species 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 241000196253 Ulva prolifera Species 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 244000302661 Phyllostachys pubescens Species 0.000 description 1
- 235000003570 Phyllostachys pubescens Nutrition 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- A01G33/00—Cultivation of seaweed or algae
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The invention discloses a spray-type acid treatment device in half floating raft cultivation of laver, wherein a bracket is arranged at the bottom of a treatment tank; a rectangular spray head frame consisting of spray pipes is arranged on the treatment tank, a spray head is arranged on the spray head frame, the spray head frame is connected with a circulating water feeding module through a hose, the circulating water feeding module drives a water pump by adopting diesel power, and the internal circulation of water feeding and treatment fluid is controlled through a first control valve, a second control valve and a three-way valve between the first control valve and the second control valve; a liquid storage tank is arranged between the treatment tank and the second control valve, and filter cotton is paved in the middle of the liquid storage tank; the acid-resistant pump is used for inputting the treatment fluid in the acid storage barrel into the treatment tank, a pH probe is arranged in the treatment tank and connected with the pH controller, the pH controller is connected with the acid-resistant pump, the pH probe detects the pH value in the treatment tank, and the pH controller is provided for controlling the work of the acid-resistant pump in a feedback way. The invention has the advantages of convenient killing treatment of the fixed green algae, excellent effect and environmental protection.
Description
Technical Field
The invention relates to an acid treatment device in half-floating raft type laver cultivation.
Background
Since 2007, the green tide of Enteromorpha prolifera has been a great economic loss and serious social influence caused by the over-shore offshore area of yellow sea for many years, and the Enteromorpha prolifera becomes one of the focuses of research on marine ecology in China in recent years. Since 2008, algae scientists, on-state students, physical oceanographic students and the like have developed a lot of researches around the origin of Huang Hailu tide, a lot of important achievements are obtained, and the shoal on the coast of Subei is basically locked as the source of green tide outbreaks. Some experts consider that the laver cultivation raft frame in the area is the origin of enteromorpha, and laver cultivation becomes a starting warrior of green tide outbreak. In recent years, a working mechanism for monitoring and early warning the enteromorpha green tide disaster is established in China, the prevention and control force is increased, the laver industry is impacted greatly, and the economy, the production and the life of wide laver practitioners in Jiangsu coastal areas are directly affected. In addition, as global warming increases the sea water temperature gradually, sea conditions worsen, the temperature line for laver growth moves north, and the cultivation area of south China and salt city sea areas gradually shrink; the proper temperature period of the green algae is shortened, the time of a refrigeration net is prolonged, the early yield is seriously affected, and the rotting of the laver disease frequently occurs, and the disaster such as large-area seedling drop, rotting of vegetables or slow growth often occurs.
The North Subei shoal is one of the main production places of Porphyra yezoensis in China, and the Porphyra yezoensis has good product quality, and the yield and the matched industrial scale are all over 30 percent of the whole country. The existing cultivation area reaches 1.5 ten thousand hectares, the total yield value of the industry exceeds 25 hundred million Yuanhong people's coins, and the cultivation area is an important component of Jiangsu ocean economy. The area adopts a semi-floating raft cultivation method, and raft erection comprises a laver net curtain, table ropes, raft frame moso bamboo cross bars and struts. The fixed green algae of the laver raft frame becomes a key factor influencing the cultivation and production of the laver since the establishment of the early 1970 s. The laver industry eliminates the fixed green algae on the net curtain by means of refrigeration net technology, airing and the like, kills harmful bacteria and keeps the stability of the laver product quality. According to the enteromorpha prevention and control work requirement in 2019, a joint prevention and control supervision system of transverse linkage and longitudinal communication is constructed in 2020 aiming at a sodium hypochlorite killing experiment of the northland laver raft frame, and the laver cultivation net curtain, raft frame and cable recovery work is supervised with high density and large workload. In addition, the unit participates in national key research and development plan and Qingdao national key laboratory project, and mainly develops early enteromorpha prevention and control technical research, and adopts various methods such as paint raft, paint cable, cable sleeve, chlorine dioxide killing and the like to develop raft green algae prevention and control experiments. Although some progress is made, the significance of popularization value is not obvious from the aspects of economy and effectiveness.
Under the background, an active treatment prevention method is provided by combining national defense and treatment experience of Japanese, korean and the like. The active treatment method has four advantages: 1) The green algae are killed rapidly, and the damage to the laver is small; 2) The technology of the refrigeration net can be complemented or replaced to a certain extent, and the production period is prolonged; 3) Can prevent and treat the rotten laver; 3) The device can also be used for cleaning the net curtain and processing other beneficial components; 4) The method is simple, easy to operate and suitable for popularization. The risk of the active solvent for cultivation can cause the proposal of ocean acidification theory, the pH value of the sea water is considered to be reduced by acid, so that the sea water environment is deteriorated, but the earlier research shows that the use amount of the active treatment unit has little influence on the pH value of the sea area, in actual production, the pH value of the laver cultivation area is in an ascending trend, the pH value of the cultivation area is more than 9 due to high-density cultivation, the method is one of the reasons for causing the rotten laver disease, and the acid treatment net curtain can kill some main alkalophilic bacteria causing the rotten laver disease. Compared with chlorine-containing algicides such as sodium hypochlorite and chlorine dioxide, the active treatment of the raft-type green algae can treat the net curtain of the laver, has the characteristics of small influence on benthos, small influence on the laver and the like, has a large application prospect, and is to be further researched, demonstrated and popularized.
The problem of green algae flooding of the laver raft frame occurs in japan and korea, and the treatment mode is a mode of adopting a small-sized active treatment ship immersion liquid, so that the laver raft frame has strong operability, economy and environmental protection. The method has the advantages of quick response, simple configuration and the like, but has large drug loss and large workload, influences the production of laver, and has potential risks for benthos. The main reason that the active treatment mode is not popularized in semi-floating cultivation is that the development difficulty of treatment equipment is high. The Chinese semi-floating treatment mode is obviously different from the Japanese and Korean modes in that the two sides of the laver raft frame in China are provided with the support posts and the cables with huge strength, and the support posts and the cables are not treated completely. And the related scientific basis for the type of the solvent for the active treatment, the liquid application amount, the liquid application time and the like and the influence on the laver and the killing effect on the fixed green algae are not available.
Disclosure of Invention
The invention aims to provide a spray type acid treatment device in half-floating raft cultivation of laver, which is convenient to kill and treat fixed green algae and has good effect.
The technical scheme of the invention is as follows:
a spray type acid treatment device in laver semi-floating raft cultivation is characterized in that: comprises a treatment tank, wherein a bracket is arranged at the bottom of the treatment tank; a rectangular spray head frame consisting of spray pipes is arranged on the treatment tank, a spray head is arranged on the spray head frame, the spray head frame is connected with a circulating water feeding module through a hose, the circulating water feeding module drives a water pump by adopting diesel power, and the internal circulation of water feeding and treatment fluid is controlled through a first control valve, a second control valve and a three-way valve between the first control valve and the second control valve; a liquid storage tank is arranged between the treatment tank and the second control valve, and filter cotton is paved in the middle of the liquid storage tank; the acid-resistant pump is used for inputting the treatment fluid in the acid storage barrel into the treatment tank, a pH probe is arranged in the treatment tank and connected with the pH controller, the pH controller is connected with the acid-resistant pump, the pH probe detects the pH value in the treatment tank, and the pH controller is provided for controlling the work of the acid-resistant pump in a feedback way.
According to the culture date treatment mode, three types of treatment modes are classified: 1) Offshore emergence period: aims to treat miscellaneous algae (diatom and green algae) and harmful microorganisms on the laver net ropes, wherein the treatment liquid is organic acid or antibacterial liquid such as lactic acid, citric acid, oxalic acid and the like, and an internal circulation and online pH controller is started during treatment, and the pH is controlled to be 1.8-2.2; the travelling speed of the processing groove is controlled to be 1-2km/h; 2) Sludge attachment period: the purpose is to clean the sludge on the laver net curtain, the treatment liquid is seawater, and the travelling speed of the treatment tank is controlled to be 1-4km/h; 3) Thallus Porphyrae harvesting period: aims at treating the mixed algae (diatom and green algae) and harmful microbes in the net ropes and leaf surfaces of the laver, and starting an internal circulation and online pH controller during treatment, wherein the pH is controlled to be 1.7-2.0, and the advancing speed of a treatment tank is controlled to be 1-2km/h.
The 2 control valves in the circulating water feeding module comprise a first control valve and a second control valve, the first control valve is communicated with a water source, the second control valve is communicated with the treatment tank, and the three-way valve is communicated with a water inlet pipeline of the water pump; the first control valve is opened, the second control valve is closed, and water is added; the first control valve is closed, the second control valve is opened, and the treatment liquid circulates back and forth in the treatment tank.
A filter screen is arranged on the water inlet side of the water pump, the mesh opening of the filter screen is 5mm, the height of the filter screen from the bottom of the tank is 3cm, and sediment at the bottom of the tank can be blocked.
The invention has the advantages of convenient killing treatment of the fixed green algae, excellent effect and environmental protection.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the structure of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the circulation water supply module.
Description of the embodiments
A spray type acid treatment device in laver semi-floating raft cultivation comprises a treatment tank 1, wherein a bracket 2 is arranged at the bottom of the treatment tank; a rectangular spray head frame 3 formed by spray pipes is arranged on the treatment tank, a spray head is arranged on the spray head frame, the spray head frame is connected with a circulating water feeding module through a hose 15, the circulating water feeding module adopts a diesel engine 4 to drive a water pump 5, and the internal circulation of water feeding and treatment fluid is controlled through a first control valve 6, a second control valve 7 and a three-way valve 8 between the first control valve and the second control valve; a liquid storage tank 9 is arranged between the treatment tank and the second control valve, and filter cotton is laid in the middle of the liquid storage tank; an acid-proof pump 10 is additionally arranged for inputting the treatment liquid in the acid storage barrel 11 into a treatment tank, a pH probe 12 is arranged in the treatment tank and connected with a pH controller 13, the pH controller is connected with the acid-proof pump, the pH probe detects the pH value in the treatment tank, and the pH controller is provided for controlling the work of the acid-proof pump in a feedback way. The pH controller is provided with a mobile power supply and has an upper limit alarm function, and the acid liquid tank is controlled to add acid to the liquid storage tank.
According to the culture date treatment mode, three types of treatment modes are classified: 1) Offshore emergence period: aims to treat miscellaneous algae (diatom and green algae) and harmful microorganisms on the laver net ropes, wherein the treatment liquid is organic acid or antibacterial liquid such as lactic acid, citric acid, oxalic acid and the like, and an internal circulation and online pH controller is started during treatment, and the pH is controlled to be 1.8-2.2; the travelling speed of the processing groove is controlled to be 1-2km/h; 2) Sludge attachment period: the purpose is to clean the sludge on the laver net curtain, the treatment liquid is seawater, and the travelling speed of the treatment tank is controlled to be 1-4km/h; 3) Thallus Porphyrae harvesting period: aims at treating the mixed algae (diatom and green algae) and harmful microbes in the net ropes and leaf surfaces of the laver, and starting an internal circulation and online pH controller during treatment, wherein the pH is controlled to be 1.7-2.0, and the advancing speed of a treatment tank is controlled to be 1-2km/h.
The 2 control valves in the circulating water feeding module comprise a first control valve and a second control valve, the first control valve is communicated with a water source, the second control valve is communicated with the treatment tank, and the three-way valve is communicated with a water inlet pipeline of the water pump; the first control valve is opened, the second control valve is closed, and water is added; the first control valve is closed, the second control valve is opened, and the treatment liquid circulates back and forth in the treatment tank.
A filter screen 14 is arranged on the water inlet side of the water pump, the mesh opening of the filter screen is 5mm, the height of the filter screen from the bottom of the tank is 3cm, and sediment at the bottom of the tank can be blocked.
The treatment tank is made of stainless steel or glass fiber reinforced plastic, and has a width of 2.5-2.7, a m, a length of 3.5-4, m, and a height of 0.15-0.2, m. The edge of the treatment tank is treated by adopting an outer coil 2 cm, so that the treatment tank is in seamless connection with the railing, the bottom of the treatment tank is a stainless steel bracket, and the stability is improved by adopting a multi-point supporting mode. One side of the tank bottom is provided with an overflow port with the diameter of 5 cm, and a connecting hose is used for recovering waste liquid.
The liquid storage tank is made of stainless steel or glass fiber reinforced plastic, and has a width of 1.8-2 m, a length of 3.5-4 m and a height of 60 cm. The rear end is upwards provided with an 8cm high filtering device, and filtering cotton can be paved in the middle; the liquid storage tank is provided with a water inlet hole (connected with a water pump), and a groove and a baffle plate can be arranged for preventing sediment from entering the water outlet hole.
Claims (3)
1. A spray type acid treatment device in laver semi-floating raft cultivation is characterized in that: comprises a treatment tank, wherein a bracket is arranged at the bottom of the treatment tank; a rectangular spray head frame consisting of spray pipes is arranged on the treatment tank, a spray head is arranged on the spray head frame, the spray head frame is connected with a circulating water feeding module through a hose, the circulating water feeding module drives a water pump by adopting diesel power, and the internal circulation of water feeding and treatment fluid is controlled through a first control valve, a second control valve and a three-way valve between the first control valve and the second control valve; a liquid storage tank is arranged between the treatment tank and the second control valve, and filter cotton is paved in the middle of the liquid storage tank; the acid-resistant pump is used for inputting the treatment liquid in the acid storage barrel into the treatment tank, a pH probe is arranged in the treatment tank, the pH probe is connected with the pH controller, the pH controller is connected with the acid-resistant pump, the pH probe detects the pH value in the treatment tank, and the pH controller is provided for controlling the work of the acid-resistant pump in a feedback manner;
according to the culture date treatment mode, three types of treatment modes are classified: 1) Offshore emergence period: aims to treat the miscellaneous algae and harmful microorganisms on the laver net rope, wherein the treatment liquid is lactic acid, citric acid or oxalic acid, and an internal circulation and online pH controller is started during treatment, and the pH is controlled to be 1.8-2.2; the travelling speed of the processing groove is controlled to be 1-2km/h; 2) Sludge attachment period: the purpose is to clean the sludge on the laver net curtain, the treatment liquid is seawater, and the travelling speed of the treatment tank is controlled to be 1-4km/h; 3) Thallus Porphyrae harvesting period: aims to treat the miscellaneous algae and harmful microorganisms on the net ropes and the leaf surfaces of the laver, and when in treatment, an internal circulation and online pH controller is started, the pH is controlled to be 1.7-2.0, and the advancing speed of a treatment tank is controlled to be 1-2km/h;
the treatment tank is made of stainless steel or glass fiber reinforced plastic, and has a width of 2.5-2.7, a m, a length of 3.5-4, a m and a height of 0.15-0.2, m; the edge of the treatment groove is treated by adopting an outer coil 2 cm, so that the treatment groove is in seamless connection with the railing.
2. The spray-type acid treatment device for use in semi-floating raft cultivation of laver according to claim 1, wherein: the 2 control valves in the circulating water feeding module comprise a first control valve and a second control valve, the first control valve is communicated with a water source, the second control valve is communicated with the treatment tank, and the three-way valve is communicated with a water inlet pipeline of the water pump; the first control valve is opened, the second control valve is closed, and water is added; the first control valve is closed, the second control valve is opened, and the treatment liquid circulates back and forth in the treatment tank.
3. A spray type acid treatment device in half-floating raft cultivation of laver according to claim 1 or 2, wherein: a filter screen is arranged on the water inlet side of the water pump, the mesh opening of the filter screen is 5mm, the height of the filter screen from the bottom of the tank is 3cm, and sediment at the bottom of the tank can be blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310710851.4A CN116495852B (en) | 2023-06-15 | 2023-06-15 | Hydrojet type acid treatment device in half-floating raft type laver cultivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310710851.4A CN116495852B (en) | 2023-06-15 | 2023-06-15 | Hydrojet type acid treatment device in half-floating raft type laver cultivation |
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| Publication Number | Publication Date |
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| CN116495852A CN116495852A (en) | 2023-07-28 |
| CN116495852B true CN116495852B (en) | 2023-11-21 |
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| CN202310710851.4A Active CN116495852B (en) | 2023-06-15 | 2023-06-15 | Hydrojet type acid treatment device in half-floating raft type laver cultivation |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609427A (en) * | 2013-12-02 | 2014-03-05 | 连云港市海洋与水产科学研究所 | Acid treatment type full-floating laver culture method |
| CN113925058A (en) * | 2021-11-01 | 2022-01-14 | 上海海洋大学 | Mixed acid treatment solution for removing sessile green algae on porphyra yezoensis cultivation raft and method for removing green algae by using mixed acid treatment solution |
| CN216573686U (en) * | 2021-08-17 | 2022-05-24 | 上海海洋大学 | Acid treatment device for laver raft frame |
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2023
- 2023-06-15 CN CN202310710851.4A patent/CN116495852B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609427A (en) * | 2013-12-02 | 2014-03-05 | 连云港市海洋与水产科学研究所 | Acid treatment type full-floating laver culture method |
| CN216573686U (en) * | 2021-08-17 | 2022-05-24 | 上海海洋大学 | Acid treatment device for laver raft frame |
| CN113925058A (en) * | 2021-11-01 | 2022-01-14 | 上海海洋大学 | Mixed acid treatment solution for removing sessile green algae on porphyra yezoensis cultivation raft and method for removing green algae by using mixed acid treatment solution |
Non-Patent Citations (1)
| Title |
|---|
| 郭书普 主编.农业实用技术百科全书.中国致公出版社,1996,第1076页. * |
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