CN111869617A - Water recycling control system of culture system - Google Patents
Water recycling control system of culture system Download PDFInfo
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- CN111869617A CN111869617A CN202010804917.2A CN202010804917A CN111869617A CN 111869617 A CN111869617 A CN 111869617A CN 202010804917 A CN202010804917 A CN 202010804917A CN 111869617 A CN111869617 A CN 111869617A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/047—Liquid pumps for aquaria
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
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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
- 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
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model provides a farming systems's water cycle utilizes control system, control module includes that monitoring module, fodder are put in the module, are intake module, sewage discharge module, tail water discharge module, alarm module, and control module and monitoring module, fodder are put in the module, are intake module, sewage discharge module, tail water discharge module, alarm module electricity and are connected, and alarm module is connected with monitoring module electricity. Carry out automatic monitoring to breed pond quality of water, dissolved oxygen volume through control module to automatic control breeds the intake of pond, sewage discharge, tail water discharge etc. improves management and automation level, reduces intensity of labour, makes to breed the pond and is in the environment that is most suitable fish to grow, improves production efficiency, and simultaneously, the water is bred in the cyclic utilization, improves water resource utilization.
Description
Technical Field
The invention relates to aquaculture equipment, in particular to a land-based aquaculture pond.
Background
With the rapid development of economy in China, the living standard of people is continuously improved, fishes are more and more popular as high-quality protein food, the demand is more and more large, and the fish culture is rapidly developed. Although the net cage fish culture can greatly improve the fish yield per unit water surface, the fish excrement and the residual bait are directly discharged into the water bodies of rivers and lakes to pollute the water bodies, and the production is strictly limited. The construction of a circulating water culture pond is a great trend of aquaculture, fish can grow fast and healthily without leaving good water quality environment, the yield of unit water surface needs to be improved, the culture density needs to be improved, and the improvement of the culture density firstly ensures that sufficient dissolved oxygen exists in the water body, metabolites of the fish are continuously discharged into water, so that the water quality is reduced, if the water is not discharged in time, the normal growth of the fish is influenced, and even the death of the fish is caused. In the existing culture pond, aeration pipes are mainly arranged in the culture pond for aeration, and the aeration pipes are aerated by an air blower, so that the oxygen utilization rate is low, the aeration effect is poor, the water body of the culture pond is also stirred, the severe rolling phenomenon of boiled water culture is caused, and the sedimentation of fish dung and residual bait is not facilitated. At present, breed pond blowdown and carry out the end row by utilizing action of gravity mostly, excrement and urine residual food in the pond of breeding can not discharging effectively, the emission of low pollution tail water mainly adopts end row, the table is arranged, modes such as side row, can not realize discharging fast ammonia nitrogen in breeding the pond, nitrite nitrogen, the suspended solid, foam oil film etc. influence breed, and some systems are that tail water discharges and blowdown go on in step, for guaranteeing quality of water, often through increaseing the inflow, most need 1 hour exchange 1 time, need supporting huge sewage treatment system, construction cost and running cost are high, the water consumption is big, water resource utilization is low, the treatment effect of sewage is relatively poor. Moreover, the existing works of feeding water into the culture pond, monitoring the dissolved oxygen amount in the culture pond, discharging tail water, discharging sewage and the like are basically completed manually, the management and control level is low, the labor intensity is high, the automation level is low, and the improvement of the production efficiency and the reduction of the production cost are not facilitated.
Disclosure of Invention
The invention aims to provide an embedded land-based circular pond circulating water aquaculture control system, which can automatically control the water inflow, sewage discharge, tail water discharge and the like of a culture pond by automatically monitoring the water quality and dissolved oxygen of the culture pond, improve the management and automation level, reduce the labor intensity, enable the culture pond to be in an environment most suitable for fish growth, improve the production efficiency and improve the water resource utilization rate.
The utility model provides a farming systems's water cyclic utilization control system, control module includes monitoring module, fodder module of puting in, module of intaking, sewage discharge module, tail water discharge module, alarm module, and control module and monitoring module, fodder module of puting in, module of intaking, sewage discharge module, tail water discharge module, alarm module electricity are connected, and alarm module is connected with monitoring module electricity, is connected with the water quality testing ware electricity that sets up in outer pond.
Furthermore, the monitoring module is electrically connected with a water dissolved oxygen detector, a water quality detector and a water surface foam oil film sensor which are arranged in the culture pond, is electrically connected with a feed particle sensor arranged at the bottom of the culture pond, and is electrically connected with a sensor arranged in a feed bin of the feed alcohol throwing machine.
Furthermore, the monitoring module is electrically connected with a high liquid level sensor and a low liquid level sensor which are arranged in a sewage collecting well of the sewage discharge system, and is electrically connected with a solid sensor which is arranged in the solid-liquid separator.
Furthermore, the feed throwing module is electrically connected with the feed throwing machine to control the feed throwing machine to throw the feed at regular time. The feed throwing module increases, maintains and reduces the feeding amount of the feed throwing machine according to the data of the feed particle sensor at the bottom of the culture pond
Furthermore, the water inlet module is electrically connected with the water inlet pump, the ultraviolet sterilizer, the aerator and the outer pond pump, and the water inlet pump and the ultraviolet sterilizer are synchronously started and stopped.
Furthermore, the sewage discharge module is electrically connected with the sewage discharge valve and the sewage pump and the sewage suction pump.
Further, the tail water discharge module is electrically connected with the tail water discharge valve.
Furthermore, the feed throwing module increases, maintains and reduces the feeding amount of the feed throwing machine according to the data of the feed particle sensor at the bottom of the culture pond.
Further, the water inlet pump is started and stopped under the control of the water inlet module according to the dissolved oxygen amount of the water body of the culture pond, the water quality data and the data of the water surface foam oil film sensor obtained by the detection module;
the automatic aerator is started and stopped according to the dissolved oxygen of the culture pond obtained by the detection module and the numerical value set by the control module, and when the dissolved oxygen is lower than 5mg/L, the automatic aerator is started; when the dissolved oxygen amount is higher than 7mg/L, the oxygen increasing machine stops working.
Further, the sewage discharge module is used for switching on the sewage discharge valve 0.5-1.5 hours after the feed thrower throws the feed, and switching off the sewage discharge valve after 3-6 minutes;
when the quality of the water in the culture pond obtained by the detection module is lower than a set value, the sewage discharge module is communicated with a sewage discharge valve, the water inlet module starts a water inlet pump, and the water inlet pump is closed after 3-6 minutes.
The invention automatically monitors the water quality and the dissolved oxygen amount of the culture pond through the control module, thereby automatically controlling the water inlet, the sewage discharge, the tail water discharge and the like of the culture pond, improving the management and automation level, reducing the labor intensity, ensuring that the culture pond is in the environment most suitable for the growth of fishes, improving the production efficiency, and simultaneously, recycling the culture water and improving the utilization rate of water resources.
Drawings
FIG. 1 is a block diagram of a water recycling control system according to the present invention;
FIG. 2 is a schematic structural view of a recirculating aquaculture pond;
FIG. 3 is a diagram of a water inlet system of a recirculating aquaculture pond;
FIG. 4 is a diagram of a tail water discharge system of a recirculating aquaculture pond;
FIG. 5 is a diagram of a sewage discharge system of a recirculating aquaculture pond.
In the figure: 1-culture pond, 2-water inlet system, 3-sewage discharge system, 4-tail water discharge system, 5-outer pond pump, 6-outer pond, 21-ultraviolet sterilizer, 22-oxygen increasing machine, 23-water inlet pump, 31-sewage discharge valve, 32-sewage pump, 33-sewage collecting well, 34-solid-liquid separation pond, 35-sewage suction pump, 36-tail water processor, 37-sun-manure pit, 41-tail water discharge valve, 42-tee joint and 43-drainage ditch.
Detailed Description
In a fish culture system, sewage refers to a water body which contains a large amount of fish excrement and residual bait and is seriously polluted. The tail water is a water body containing soluble pollutants such as ammonia nitrogen, nitrite nitrogen and the like, relatively more suspended matters and more surface foam oil films, and the pollution degree is relatively light.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
A water recycling control system of a culture system is characterized in that the oxygen content of water in a culture pond is kept at the dissolved oxygen concentration suitable for growth of fishes by improving the dissolved oxygen concentration of inlet water, the phenomenon that the boiled water culture is violently rolled due to aeration and oxygenation of an air blower is avoided, a quiet growth environment is provided for the fishes, excrement and residual baits in the water body of the culture pond are gathered through the quiet micro-flow hydraulic centrifugal action by means of the separate discharge of sewage and tail water, the sewage discharge amount is reduced, the construction quantity of matched sewage treatment systems is reduced, the construction cost and the operation cost of the sewage treatment system are reduced, sewage treatment is deepened, the treated sewage and the tail water are deeply purified and then return to the culture pond for recycling, and the water resource utilization rate is improved.
As shown in fig. 2, an embedded land-based circular pond recirculating aquaculture system comprises an aquaculture pond 1, a water inlet system 2, a tail water discharge system 4, a sewage discharge treatment system 3 and an outer pond 6. The tail water discharge system 4 and the sewage discharge system 3 are independent systems.
As shown in fig. 3, the water inlet system 2 includes a water inlet pipe, a water distributor, and an aerator 22 and an ultraviolet sterilizer 21 are disposed on the water inlet pipe. After the treated sewage and tail water are deeply oxidized in the outer pond 6, the treated sewage and tail water are detected to meet the requirements, the treated sewage and tail water are pumped into a water inlet channel by an outer pond pump 5 through a pipeline, the treated sewage and tail water are filtered by a filter dam and then are pumped into the culture pond 1 through a water inlet pipeline by a water inlet pump 23, the treated sewage and tail water are subjected to insect killing and sterilization by an ultraviolet sterilizer 21, the oxygen dissolving amount of the inlet water is timely increased by an aerator 22, the water dissolving oxygen amount of the culture pond 1 is kept at 5-7 mg/L, the water distribution port of a water distribution pipe realizes tangential uniform water distribution in the culture pond 1, a microflow water rotary state is manufactured, and the fish manure residual.
As shown in FIG. 4, the pipeline of the tail water discharge system 4 of the culture pond 1 is provided with a tail water discharge valve 41, a tee joint 42 and a drainage ditch 43, and tail water enters the outer pond 6 through the drainage ditch 43 for deep purification. Tail water discharge pipe arranges along the lateral wall of cylindrical pond, downwardly extending to and conical bottom combination department slant center extend to the central axis department, upwards extend to and often establish the water level height department and change the level and arrange, be equipped with tail water discharge valve 41 and tee bend 42 at the horizontal segment, one of tee bend leads to the opening and upwards arranges, and two leads to in addition connects on the pipeline, and the horizontal segment extends to breed 1 backward downwardly extending to escape canal 43 in the pond, and escape canal 43 has the passageway to connect outer pool 6.
As shown in FIG. 5, the sewage discharge system 3 of the culture pond 1 includes a sewage discharge pipe, a sewage collecting well 33, a solid-liquid separation tank 34, a solarization water tank 37 and a tail water treater 36. A sewage discharge valve 31 is arranged on a sewage discharge pipeline which connects the bottom of the culture pond 1 and a sewage collecting well 33, a sewage pump 32 is arranged in the sewage collecting well 33, a pipeline is connected with a solid-liquid separation pond 34, a sewage suction pump 35 at the bottom of the solid-liquid separation pond 34 conveys solid matters to a solarization tank 37 through a pipeline, supernatant at the upper part of the solid-liquid separation pond 34 enters a tail water treater 36, and the tail water treater 36 is connected with the outer pond 6 through a pipeline.
The outer pond 6 carries out deep purification on the treated sewage tail water and the tail water discharged by the culture pond, and the purified water quality reaches the culture standard and is pumped back to the culture pond for recycling.
As shown in figure 1, the control module of the embedded land-based circular pond recirculating aquaculture control system comprises a monitoring module, a feed feeding module, a water inlet module, a sewage discharge module, a tail water discharge module and an alarm module, wherein the control module, the monitoring module, the feed feeding module, the water inlet module, the sewage discharge module, the tail water discharge module and the alarm module are electrically connected, and the alarm module is electrically connected with the monitoring module. The control module sets the operation flow, performs related operations according to set time or conditions, simultaneously grasps the dynamic change of the culture system at any time, and starts or stops related actions when related parameter data reach set values.
Furthermore, the monitoring module is electrically connected with a water dissolved oxygen detector, a water quality detector and a water surface foam oil film sensor which are arranged in the culture pond 1, and is electrically connected with a feed particle sensor which is arranged at the bottom of the culture pond. The detector or the sensor receives and acquires relevant data and states according to a set program, and set parameters are compared to judge the conditions of all parameters of the culture system.
Furthermore, the monitoring module is electrically connected with an inductor arranged in a feed bin of the feed wine throwing machine, the inductor is provided with a high-position inductor and a low-position inductor, when the inductor is lower than the low-position inductor, the alarm module gives out a feed shortage alarm, and when the inductor is higher than the high-position inductor, the feeding is automatically stopped and a prompt is given out.
Further, the monitoring module is electrically connected to a high liquid level sensor and a low liquid level sensor disposed in the sewage collecting well 33 of the sewage discharge system, and is electrically connected to a solid sensor disposed in the solid-liquid separator 34. When the sewage in the sewage collecting well 33 reaches the high liquid level sensor, the sewage pump 32 is automatically started, and when the sewage level is lower than the low liquid level sensor, the sewage pump 32 stops working. The solid sensor in the solid-liquid separator 34 has a high sensor and a low sensor, when the solid matter deposited in the solid-liquid separator 34 reaches the high sensor, the sewage suction pump 35 is started to pump the solid matter in the solid-liquid separator to the septic tank 37, and when the solid matter falls below the low sensor, the sewage suction pump 35 stops working.
Furthermore, the monitoring module is electrically connected with a water quality detector arranged on the outer pond 6, and detects the water quality at regular time according to a set program.
Furthermore, the feed throwing module is electrically connected with the feed throwing machine to control the feed throwing machine to throw the feed at regular time. The detection module compares the data set in the detection module and the control module according to the data set in the feed particle sensor at the bottom of the culture pond to obtain the judgment of insufficient feed throwing, proper amount and excessive amount, and the feed throwing module controls the feed throwing machine to increase, keep and reduce the feed throwing amount.
Further, the water inlet module is electrically connected with the water inlet pump 23, the ultraviolet sterilizer 21 and the aerator 22. The water inlet pump 23 and the ultraviolet sterilizer 21 run synchronously, and the water inlet pump compares the data of the water quality detector and the water surface foam oil film sensor in the culture pond 1 with the data set in the control module to reach the relevant data, namely the water inlet module controls the start and stop of the water inlet pump. According to the control module, the oxygen increasing machine 22 is started and stopped according to the dissolved oxygen amount of water in the culture pond, and when the dissolved oxygen amount is lower than 5mg/L, the oxygen increasing machine is started; when the concentration is higher than 7mg/L, the aerator stops working.
Further, the water inlet module is electrically connected with the outer pond pump 5. The outer pond pump 5 can be started only when the water quality of the outer pond 6 reaches the set standard.
Further, the sewage discharge module is electrically connected with the sewage discharge valve 31, and is electrically connected with the sewage pump 32 and the sewage suction pump 35. According to the arrangement of the control module, the feed feeding module and the sewage discharge module, after the feed is thrown by the feed throwing machine for 0.5 to 1.5 hours, sewage discharge is started, the sewage discharge valve 31 is switched on, and the sewage discharge valve is closed after continuously discharging sewage for 3 to 6 minutes. When the value of the water quality detector of the culture pond is lower than a set value, the sewage discharge module is communicated with the sewage discharge valve 31, meanwhile, the water inlet module starts the water inlet pump 23, and the sewage discharge valve 31 is closed after the sewage is continuously discharged for 3-6 minutes.
Further, the tail water discharge module is electrically connected with the tail water discharge valve. In the culture process, the tail water discharge valve 41 is in a communicated state at ordinary times, the water bodies of the middle and lower layers are continuously discharged by the aid of the circulation device principle through the water outlet of the middle and lower water outlet tail water discharge pipeline in the pond, and low-concentration tail water rich in soluble pollutants such as ammonia nitrogen, nitrite nitrogen and the like and suspended matters in the middle and lower layers of the culture pond is discharged. When more foam oil films appear on the surface, the water surface foam oil film sensor sends a signal, the valve 41 is closed under the indication of the tail water discharge module, the flow of the discharge pipeline is blocked or reduced, meanwhile, the water inlet module opens the water inlet pump 23, the water level in the culture pond 1 rises until the water inlet pump submerges the upward opening of the surface water outlet tee 42, and the water body with more surface foam or oil films is discharged at a larger flow by utilizing the overflow action of the surface water outlet.
When the detection module detects that the working states of the detector, the inductor, the motor or the valve in the culture system are abnormal, the alarm module sends out corresponding alarms, so that the workers can conveniently remove the faults in time.
When the dissolved oxygen amount of the water in the culture pond is continuously lower than the set low value and reaches the set time, the alarm module gives an alarm, so that measures can be taken conveniently in time, and the occurrence of accidents of mass fish death is avoided.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a farming systems's water cycle utilizes control system which characterized in that: the control module comprises a monitoring module, a feed feeding module, a water inlet module, a sewage discharge module, a tail water discharge module and an alarm module, wherein the control module, the monitoring module, the feed feeding module, the water inlet module, the sewage discharge module, the tail water discharge module and the alarm module are electrically connected, and the alarm module is electrically connected with the monitoring module.
2. The water recycling control system of a farming system of claim 1, wherein: the monitoring module is electrically connected with a water dissolved oxygen detector, a water quality detector and a water surface foam oil film sensor which are arranged in the culture pond (1), is electrically connected with a feed particle sensor arranged at the bottom of the culture pond, is electrically connected with a material level sensor arranged in a feed bin of the feed alcohol throwing machine, and is electrically connected with a water quality detector arranged in an outer pond.
3. The water recycling control system of a farming system of claim 2, wherein: the monitoring module is electrically connected with a high liquid level sensor and a low liquid level sensor which are arranged in a sewage collecting well of the sewage discharge system, and is electrically connected with a solid sensor arranged in a solid-liquid separator.
4. The water recycling control system of a farming system of claim 1, wherein: the feed throwing module is electrically connected with the feed throwing machine and controls the feed throwing machine to throw the feed at regular time.
5. The water recycling control system of a farming system of claim 1, wherein: the water inlet module is electrically connected with the water inlet pump (23), the ultraviolet sterilizer (21), the aerator (22) and the outer pond pump (5), and the water inlet pump (23) and the ultraviolet sterilizer (21) are synchronously started and stopped.
6. The water recycling control system of a farming system of claim 1, wherein: the sewage discharge module is electrically connected with the sewage discharge valve (31) and the sewage pump (32) and the sewage suction pump (35).
7. The water recycling control system of a farming system of claim 6, wherein: the tail water discharge module is electrically connected with a tail water discharge valve (41).
8. The water recycling control system of a farming system of claim 2, wherein: the feed throwing module increases, maintains and reduces the feeding amount of the feed throwing machine according to the data of the feed particle sensor at the bottom of the culture pond.
9. The water recycling control system of a farming system of claim 5, wherein:
the water inlet pump (23) is started and stopped under the control of the water inlet module according to the dissolved oxygen amount of the water body of the culture pond, the water quality data and the water surface foam oil film sensor data obtained by the detection module;
the aerator (22) is started and stopped according to the dissolved oxygen of the culture pond obtained by the detection module and a numerical value set by the control module, and when the dissolved oxygen is lower than 5mg/L, the aerator is started; when the dissolved oxygen amount is higher than 7mg/L, the oxygen increasing machine stops working.
10. The water recycling control system of a farming system of claim 6, wherein: the sewage discharge module is used for switching on the sewage discharge valve (31) 0.5-1.5 hours after the feed thrower throws the feed, and switching off the sewage discharge valve after 3-6 minutes;
when the quality of the water in the culture pond obtained by the detection module is lower than a set value, the sewage discharge module is communicated with a sewage discharge valve (31), the water inlet module starts a water inlet pump (23), and the water inlet pump is closed after 3-6 minutes.
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| CN202010804917.2A CN111869617A (en) | 2020-08-11 | 2020-08-11 | Water recycling control system of culture system |
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| CN202010804917.2A CN111869617A (en) | 2020-08-11 | 2020-08-11 | Water recycling control system of culture system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112514844A (en) * | 2020-11-30 | 2021-03-19 | 广东慧信环保有限公司 | Circulating water culture device, culture method and control equipment |
| CN115152666A (en) * | 2022-08-11 | 2022-10-11 | 龚建国 | Multi-nutrition-level aquaculture comprehensive system based on water quality regulation |
| CN117735658A (en) * | 2023-11-14 | 2024-03-22 | 南京瑞呈信息科技有限公司 | Tap water pipeline sterilizing and discharging system |
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