152results about How to "Improve oxygenation efficiency" patented technology

The invention discloses a reduction box of an aerator and an impeller type aerator provided with the reduction box. The reduction box mainly comprises a box body, an upper cover, a secondary reduction gear, a bearing, an output shaft and the like, wherein joints of the box body and the upper cover are respectively provided with three semicircular grooves in which support bars can be arranged; thesemicircular grooves are three uniform equal parts on the circumference; and the box body and the upper cover are fastened and sealed together by using bolts. Two semicircular grooves form a round hole. The upper cover and a lower end cover of a motor can be manufactured into a whole body. The lower end of the box body is provided with a sealing chamber; and the sealing chamber and the box body are manufactured into a whole body through compression casting. The weight of an aluminum compression casting reduction box is greatly reduced; the other end of the support bars can be provided with a flat floating body with a small volume to ensure that the aerator floats on the water surface; and two side planes of the flat floating body are parallel with the support bars so that the resistance of the floating body to water flow is reduced when the aerator works, and the aeration efficiency is improved.

The invention discloses an oxygen enriching and sterilizing device and an oxygen enriching and sterilizing method for soilless culture nutrient solution. The method includes dissolving air or oxygen into the nutrient solution by the aid of a micro-nano bubble generation technology to form micro-nano bubble oxygen-enriched water so as to enrich the oxygen in the nutrient solution; dissolving ozone in the nutrient solution by the aid of the micro-nano bubble generation technology to form micro-nano bubble ozone water and jointly sterilizing the nutrient solution by an ultraviolet sterilizer. The oxygen enriching and sterilizing device and the oxygen enriching and sterilizing method have the advantages that the dissolved oxygen in the nutrient solution can be effectively increased, root rotting phenomena of hydroponics plants can be reduced, and the yield can be increased; spreading of microbial diseases in the nutrient solution can be effectively suppressed, and the application amount of pesticides can be reduced.

The invention discloses a solar autonomous mobile oxygenation system for aquaculture. The solar autonomous mobile oxygenation system comprises a solar autonomous mobile oxygenation machine, a GPS navigation module and a dissolved oxygen detection module. In the solar autonomous mobile oxygenation machine, a central control unit is connected with a perforated paddle wheel oxygenation propeller, an upper computer, a wireless data transmission receiver and the GPS navigation module, and used for acquiring information of the dissolved oxygen sensor, conducting positioning and navigation, driving the perforated paddle wheel oxygenation propeller to operate, and then automatically achieving oxygenation for the dissolved oxygen insufficient region of a breeding water area. The system is autonomously mobile, free of any manual operation, and capable of saving labor and material resources. The perforated paddle wheel oxygenation propeller of the oxygenation machine can conduct oxygenation, provide propelling force for the whole oxygenation machine, and effectively save the time of a workboat. In addition, power of the oxygenation machine is supplied by a solar power supply system, external charging is not needed, the oxygenation machine can work at night and on rainy days, and the automation degree is high.

The invention relates to a membrane type oxygenator which comprises a lower cover, an oxygenation portion and an upper cover. The lower cover is provided with an air outlet tube, the oxygenation portion is arranged in the lower cover and comprises a mandrel structure, an oxygenation housing and an oxygenating silk film structure, the oxygenation housing is provided with a blood outlet tube, and the blood outlet tube is close to the lower cover. The upper cover is arranged on the oxygenation portion and is provided with an eddy structure, a blood inlet structure and an oxygen inlet tube, and the eddy structure corresponds to the mandrel structure. The mandrel structure comprises a mandrel body and an annular guide plate, the mandrel body is provided with a first end and a second end, a blood channel is formed between the first end and the eddy structure, and the mandrel body is sleeved with the annular guide plate. The mandrel structure of the membrane type oxygenator is provided with the annular guide plate, the annular guide plate guides blood diffusion, the contact area and the diffusion area of blood and the silk film structure are increased, and the utilization rate of the silk film structure is improved.

The invention discloses a composite purification regulating and controlling system for a water body in a cultivation pond, which is vertical to pond banks at two sides of the cultivation pond. A plurality of micro hole aerator pipes are uniformly configured at the bottom of the bond; a strand upper rope cord is placed correspondingly at the water level position above each micro hole aerator pipe; aquatic plants are sown on the strand upper rope cords at intervals; meanwhile, floating balls are installed on the rope cords for maintaining buoyancy; a plurality of vertical artificial water plants are distributed uniformly between each aerator pipe and the corresponding strand upper rope cord; and upper ends of the artificial water plants are fixed on the upper rope cord, and the lower ends of the artificial water plants are fixed on the aerator pipes which are fixed by fixing blocks. The system combines micro hole oxygen increasing, biochemical treatment and biological purification organically, improves the oxygen dissolving efficiency and biological purification effect, and has the characteristics that structure is compact, regulating and controlling are carried out in situ, energy consumption is low, installation is simple, and the like.

The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.

The invention discloses a soil conditioner and a seedling planting method using the same. The soil conditioner comprises the raw materials by mass percentage: 5-8% of straws, 12-15% of volcanic ashes, 40-45% of bentonite, 12-15% of fermented cow dung, 10-12% of earthworm soil and 8-10% of a flax oil residue. The soil conditioner is capable of improving soil, improving the concentration of oxygen in the soil and improving the breathability.

The invention discloses a comprehensive oxygen aeration device for pond culture.The comprehensive oxygen aeration device comprises a track.A base is connected to the track in a sliding mode.A driving motor is arranged on the base.A sliding rail is fixedly connected to the left side face of the base.A sliding block is connected to the sliding rail in a sliding mode.The rear side face of the sliding block is fixedly connected with a floating plate through a supporting column.Turbines are arranged on the left and right sides of the floating plate and electrically connected with a controller.According to the comprehensive oxygen aeration device for pond culture, due to three-dimensional control of the two transverse and longitudinal sliding rails and a hydraulic telescopic rod, precise positioning can be performed on a pond operation area, comprehensive multi-layer oxygen dissolution is achieved, low pressure is generated through accelerated fluid so as to suck air, uniform spraying is performed through nanometer micropores after sufficient dissolution, oxygen and water in the pond are in sufficient contact and integration, efficient oxygen aeration is achieved, and the device is easy to operate and high in oxygen aeration efficiency.

The invention discloses a symmetrically arranged propeller type self-air compression, self-air suction and self-water absorption aerator. A motor fixed on a weight beam transmits power to a hollow shaft through a chain, and an internally helical blade conical air compression wheel with a through hole at bottom is arranged on the upper end face of the hollow shaft. A hollow sleeve is sleeved outside the hollow shaft, the upper end face of the hollow sleeve is connected with the weight beam, the other end of the weight beam is fixed with a floater, the lower end face of the hollow sleeve is connected with an air suction chamber, the tail end of the hollow sleeve is provided with a driving bevel gear, and two driven bevel gears are arranged on respective hollow output shafts respectively. The other ends of the hollow output shafts extend out of the air suction chamber, the tail ends of the hollow output shafts are provided with an impeller and a diffuser, and the extended part comprises the impeller and the diffuser and is enclosed by a deflector fixed on the air suction chamber. The water suction pipe, after entering from the bottom face of the air suction chamber, is divided into two parts, and the divided two pipes extend into the hollow output shafts respectively. In the invention, the air compression wheel is used for compressing air, the impeller is used for air suction, and the air intake volume is high; the adoption of the air suction pipe increases the air and liquid mixing and shearing action; and the aeration capacity is increased.

The invention relates to a spiral flow-guide integrated membrane oxygenator comprising a lower cover, an oxygenation portion and an upper cover. The lower cover is provided with an air outlet pipe. The oxygenation portion is arranged to the lower cover and comprises a spindle structure, an oxygenation shell and an oxygenation cortina structure, and the oxygenation shell is provided with a blood outlet pipe close to the lower cover. The upper cover is arranged to the oxygenation portion and is provided with a blood inlet pipe and an oxygen inlet pipe. The spindle structure comprises a spindle body and an annular flow guide plate, the spindle body is provided with a first end and a second end, a blood channel is formed between the first end and the upper cover, the annular flow guide plate sleeves the spindle body and is provided with at least one flow guide through hole, and the flow guide through holes of the annular flow guide plate are distributed in the annular flow guide plate. The spindle structure of the spiral flow-guide integrated membrane oxygenator is provided with the annular flow guide plate, the annular flow guide plate guides blood to diffuse through the flow guide structure with the flow guide through holes, contact area and diffusion area of blood and the cortina structure are increased, and utilization rate of the cortina structure is increased.

The invention discloses a movable solar oxygenation system and method and belongs to the field of fishery culture. The oxygenation system comprises a buoyancy supporting mechanism, a solar power supply mechanism, a power mechanism, an oxygenation mechanism, a hoisting mechanism and a control mechanism, wherein the control mechanism comprises a central controller, and a dissolved oxygen sensor, an ultrasonic range finding module, a GPS (Global Positioning System) navigation module and an inertial navigation module, which are electrically connected with the central controller respectively; the central controller is used for controlling rotary speeds of two driving motors according to information fed back by the ultrasonic range finding module, the GPS navigation module and the inertial navigation module, so that movable oxygenation and automatic berthing are realized; electric energy generated by the solar power supply mechanism is stored in the storage battery and is used for providing the electric energy to the oxygenation mechanism, the power mechanism and the control mechanism. According to the movable solar oxygenation system and method, intelligent and flexible movement of the oxygenation system can be realized; the dissolving efficiency of oxygen in water can be effectively enhanced and the utilization performance of whole equipment is improved.

The invention discloses a rotary aerator. The aerator comprises a floating rack and an air pump, wherein the air pump is fixed on the floating rack, and the air outlet of the air pump is connected with an air outlet pipe; the aerator also comprises an air distributing pipe, and the air inlet end of the air distributing pipe is connected with the air outlet pipe through a rotary joint; the annular part of the air distributing pipe is connected with more than two main air supply pipes at intervals in the circumferential direction, and the free ends of the main air supply pipes are connected with air supply branch pipes extending downwards; the bottom of each air supply branch pipe is connected with a sprayer, and the sprayers of the air supply branch pipes jet airflow in the same rotation direction; the bottom of each the main air supply pipe is provided at intervals in the lengthwise direction with at least two air distributing branch pipes extending downwards, and at least one nano aerator pipe is connected between the two adjacent air distributing branch pipes. The rotary aerator has the advantages of integrating aeration, water stirring, oxygen increasing, wave making into one body, and being less in energy consumption and higher in oxygen aeration efficiency.

The invention relates to an impeller which comprises a tapered body, a plurality of blades and a fixing seat. The impeller is formed by one-time injection moulding, the fixing seat is positioned in the tapered body, connecting holes matched with a flange of an output shaft of an aerator are formed in the fixing seat, the blades are arranged on the outer side of the tapered body and are obliquely combined with the tapered body, thrashing plates basically vertical to the upper end face of the tapered body are arranged at the upper end of the outer side of the tapered body, and smooth transition is realized between working faces C of the thrashing plates and working faces A of the blades. Water flow driven by the blades splashes upwards through the working faces C of the thrashing plates to enable water splash to rise and enable a water body to disperse, so that contact surface with the air is increased to improve aeration effect. The weight of an alloy-aluminum pressure-casted speed reducing box is greatly reduced, and a small-size flat floating ball can be arranged at the other end of a supporting end to enable the aerator to keep afloat, so that a flat surface is enable to be relatively parallel to the water flow direction during working of the aerator, resistance of a floating body on the water flow during working of the aerator is reduced, and aeration efficiency is improved.

The invention discloses a microporous impeller aerator, which comprises a gear case (8), a motor (7), an impeller (10), a fan (5), a gas delivery pipeline (3), an aeration disk (11), floats (11) and a support (2). The floats (1) are connected to the support (2), the gear case (8) is installed on the support (2), the motor (7) is connected to an input shaft of the gear case (8), the impeller (10) is connected to a main transmission shaft (6) of the gear case (8), the fan (5) is connected to an auxiliary transmission shaft (9) of the gear case (8), and an air outlet of the fan (5) is connected with the aeration disk (11) through the gas delivery pipeline (3). The microporous impeller aerator in an integral structure for surface and underwater stereoscopic aeration is high in aerating efficiency, effective in aeration and low in energy consumption.

The invention discloses a safe, energy-saving and environment-friendly solar oxygenation system for aquaculture, and the system can carry out efficient oxygen dissolution and can be controlled intelligently. The solar oxygenation system for the aquaculture is characterized in that that system comprises a solar cell panel, a nanometer micropore tube, a driving air pump and a device allowing intelligent control; the device allowing the intelligent control is equipped with a water body dissolved-oxygen amount detector, an alarm buzzer, a startup and shutdown control main machine and an automatic oxygen increasing machine; the water body dissolved-oxygen amount detector is connected to the alarm buzzer; the water body dissolved-oxygen detector is connected to the startup and shutdown control main machine; the solar cell panel is connected to the startup and shutdown control main machine; electric power storage is connected to the startup and shutdown control main machine; and the startup and shutdown control main machine, the driving air pump and the nanometer micropore tube are connected in succession.

The invention discloses a micro-nano gas-liquid mixed heavy-oxygen-enriched water dispenser. The water dispenser comprises a shell and an internal water supply system, the internal water supply system comprises a water pump, a gas-liquid mixing pump, an oxygenerator and a sterilization device, a water inlet of the water pump is connected with a water inlet pipe, the water pump, the sterilization device and the gas-liquid mixing pump are sequentially connected through water pipes, a gas inlet of the gas-liquid mixing pump is connected with the oxygenerator, and a water outlet of the gas-liquid mixing pump is connected with a hot water outlet pipe and a cool water outlet pipe. By means of the water dispenser, harmful bacteria in drinking water can be killed, microelements required by the human body are reserved, meanwhile, oxygen can be dissolved into the water, and sufficient oxygen can be provided for the human body while a user drinks water.

The invention discloses a pond field experimentation device and a using method thereof and relates to a device for experimental study of pond water area ecology and a using method thereof. The problems that the water oxygenation effect is bad, the water inlet and drainage are inconvenient, fishes are difficult to escape and the requirements of experimental study of pond water area ecology cannot be met in the conventional field experimentation enclosure ecosystem are solved. The pond field experimentation device comprises waterproof cloth, a U-shaped pipe, an oxygenation aeration device, an anti-escape net, two filtering nets, two straight pipes, four upright rods and four transverse rods, wherein the four upright rods are arranged in an array; a cross rod is connected between two upright rods; and the four upright rods and four transverse rods form a square frame. The field enclosure experimentation method mainly comprises the following steps: 1, inserting the upright rods on the square frame into the bottom of the pond; 2, injecting water into the square frame with the waterproof cloth; 3, oxygenating and aerating in water; and 4, draining water in the square frame. The pond field experimentation device is used for research of pond water area ecology.

The invention relates to the technical field of water treatment. The invention provides a culture tail water treatment system based on an ecological ditch water purification principle. The system comprises an ecological ditch, the ecological ditch comprises a settling zone, an aeration zone, a purification zone and a check gate, and a biological floating bed and a biological filtering brush are arranged in each of the settling zone and the purification zone; the inlet of the aeration zone is communicated with the outlet of the sedimentation zone through a first ditch; the outlet of the aeration zone is communicated with the inlet of the purification zone through a second ditch, the inlet of the check gate is communicated with the outlet of the purification zone through a third ditch, and filter dams are arranged on the first ditch, the second ditch and the third ditch. According to the culture tail water treatment system based on the ecological ditch water purification principle, breeding tail water can be effectively treated, and healthy aquaculture and environmental protection are achieved.

The invention discloses a water body oxygen increasing device including a water pump, a Venturi air entrainment pipe and a discharge pipe, the water pump, the Venturi air entrainment pipe and the discharge pipe are connected through a pipeline in turn, the Venturi air entrainment pipe is provided with an air entraining port, the air entraining port is connected with an air entraining component, the air entraining component comprises a cylinder body, a piston and a driving component, the piston is matched with the cylinder body, the driving component is driven by a water flow in the pipeline or the Venturi air entrainment pipe to drive the reciprocating motion of the piston, the cylinder body is equipped with an air inlet which is communicated with the external environment and an air outlet which is communicated with the air entraining port of the Venturi air entrainment pipe, the air inlet is provided with an air inlet one-way valve which is only capable of letting air into the cylinder body, and the air outlet is provided with an air outlet one-way valve which is only capable of outputting the air from the cylinder body. The water body oxygen increasing device has the advantages of simple and compact structure, stable and reliable operation, high oxygen increasing efficiency, low energy consumption and low cost and the like.

The invention discloses a water body oxygen-increasing circulation device with an auxiliary heating function, and belongs to the technical field of water for agriculture or cultivation. The water body oxygen-increasing circulation device with the auxiliary heating function comprises a water tank, a gas producing unit and a heating unit; a water supply pipe and a liquid outlet pipe are arranged at the side ends of the water tank correspondingly; the gas producing unit comprises an air compressor, a gas liquid mixed pressurizing dissolution tank, an ultrasonic cavitation device and a gas liquid rotating cylinder; the air compressor communicates with the gas liquid mixed pressurizing dissolution tank through a gas inlet pipe; a motor is arranged at the top end of the gas liquid rotating cylinder; the gas liquid mixed pressurizing dissolution tank communicates with the water tank through a water inlet pipe; a water pump I is arranged on the water inlet pipe; the gas liquid mixed pressurizing dissolution tank, the ultrasonic cavitation device and the gas liquid rotating cylinder communicate with one another sequentially through a pipeline I and a pipeline II; the gas liquid rotating cylinder communicates with the water tank through a water outlet pipe; and the heating unit comprises an electric heating wire positioned at the bottom of the water tank. The water body oxygen-increasing circulation device with the auxiliary heating function can meet double requirements of high yield and temperature rising of microbubble circulation, is high in oxygen-increasing efficiency, and can be applied to actual application production such as farm irrigation and aquaculture, or experimental research.

The invention provides a nano-magnetic intelligent integrated water body remediation device. The nano-magnetic intelligent integrated water body remediation device comprises a sewage lifting pump, a flocculation mixing tank, a magnetic powder mixing tank, a PAM mixing tank, a sedimentation tank, a high-speed shearing machine, a magnetic separator and a micro-nano bubble machine; the flocculation mixing tank, the magnetic powder mixing tank and the PAM mixing tank are sequentially communicated with one another; the sedimentation tank is communicated with the outflow side of the PAM mixing tank;two water outflow pipelines are arranged at the upper part of the sedimentation tank; one path of outflow water enters the micro-nano bubble machine so as to perform oxygenation, and the other path of outflow water converges and returns to the upstream side or the far end of sewage, so that circulation is realized; a large sludge discharge pipeline and a small sludge discharge pipeline are arranged at the lower part of the sedimentation tank; sludge discharged from the larger sludge discharge pipeline reflows through a sludge reflux pump and enters the magnetic powder mixing tank; sludge discharged from the smaller sludge discharge pipeline enters the high-speed shearing machine through a residual sludge pump so as to be crushed; and the crushed sludge enters the magnetic separator so asto be subjected to sludge and magnetic powder separation, and the separated magnetic powder is recycled and injected into the magnetic powder mixing tank. The device can effectively improve the oxygenation efficiency of a water body and improve the water quality of the polluted water body.

The invention discloses a pressurized-dissolution type oxygenating apparatus, comprising parts of a pressure gas source, a pressure regulating valve, a gas delivering pipe, an auto-controlled check valve, a float, an open vessel, a conical disk and a drawing rope. The apparatus increases the pressure intensity of a gas in the water to realize the oxygenation by utilizing a physical property that the solubility of the gas in the water rises along with increase of the pressure intensity or(and) decrease of the temperature. In the meantime, compared with existing mechanical and chemical oxygenation, the apparatus has the advantages of high oxygenation efficiency, low purchase and use costs, no noise, no disturbance and harm to fish and shrimp, no pollution, convenient maintenance and being free from power failure and icing.

The invention relates to an impeller of an oxygen-enriching machine. The impeller comprises an impeller disc and a plurality of blades arranged on the impeller disc; a straight tube penetrating through the center of the impeller disc is fixed onto the impeller disc; the multiple blades are distributed on the outer side wall of the impeller disc in the circumferential direction of the straight tube; the impeller further comprises an annular check ring located at one side of the outer side wall of the impeller disc, and an enclosing plate; the annular check ring is arranged at the outer edge inthe circumferential direction of the impeller disc; the enclosing plate, the annular check ring and the side wall of the straight tube jointly define a cavity; the multiple blades divide the cavity into a plurality of mixing chambers; the annular check ring is provided with multiple sets of water outlets; multiple sets of air inlets are formed in the impeller disc; a plurality of water inlets areformed in the inner wall of the straight tube; and the water inlets communicate with the corresponding mixing chambers. When the impeller rotates, water continuously touches and mixes with new air entering into the mixing chambers in the process that the water flows from the water inlets to the water outlets, so that water flows is rich in air, and the mixing degree of the water and the air is improved to make oxygen enriching efficiency higher.

The invention relates a manufacturing method of an aerator impeller, and further relates to an integral injection molding impeller. According to the method, a die comprises a moving die and a fixed die, wherein the moving die comprises a main core and a plurality of auxiliary cores, the auxiliary cores enter the fixed die, and the lateral sides of the auxiliary cores fit into the fixed die and become upper supporting plates and windows. The main core is arranged in the middle of the die. A cavity of each impeller comprises a moving block and a stable block, wherein the moving block is connected with an angle erecting rod, a workpiece and the angle erector rod are pushed out together by a demolding mechanism conducting demolding, the angle erector rod ensures that the moving block slides out in an inclined mode, and the workpiece is erected out in a straight direction under the guiding action of the auxiliary cores and is separated from the moving block. The integral injection molding impeller mainly comprises a cone-shaped body, impellers, a fixing plate, an upper supporting plate and a lower supporting plate, wherein connecting holes are formed in the fixing plate, the fixing plate is connected with the cone-shaped body through the upper supporting plate and the lower supporting plate, the impellers are connected on the outer cone surface of the cone-shaped body, the back B of each impeller is provided with a reinforcing rib supporting the impeller, and a window is formed in the space of each reinforcing rib.

The invention discloses a push flow type runway culture system. The push flow type runway culture system comprises a water pushing device, a dirt collection device and a culture groove group which arearranged in a pond, wherein the culture groove group comprises at least two parallel culture grooves; a walking path is arranged between the adjacent culture grooves; the water pushing device is arranged at one side of the front ends of the culture grooves; the dirt collection device is arranged at one side of the tail ends of the culture grooves; an oxygenation device is arranged in each culturegroove; each culture groove is internally provided with a culture groove oxygen detection device and an outer pond oxygen detection device is arranged in the pond located at the outer parts of the culture grooves and the dirt collection device. The invention also provides a push flow type runway culture method utilizing the culture system. The push flow type runway culture system disclosed by theinvention has the technical advantages of energy saving and high efficiency.

The invention discloses a novel soil amendment and a preparation method thereof. The novel soil amendment is prepared from the following raw materials: straw, attapulgite, novel composted manure, kitchen waste garbage, eggshells and horse dung fungus. The preparation method comprises the following steps: (1) crushing the straw, and grinding the straw into powder; (2) crushing the kitchen waste garbage, and adding water to obtain garbage slurry; (3) uniformly mixing the attapulgite and the eggshells, and crushing the mixture into powder by utilizing a grinding machine; (4) pouring products obtained in step (1), step (2) and step (3) into a same container, adding the horse dung fungus and the novel composted manure, and ultrasonically treating to obtain a mixed material; and (5) adding earthworms into the mixed material, and culturing for 26 to 30 days at the normal temperature and normal pressure. By adopting the novel soil amendment prepared by the invention, the performance of the soil can be apparently improved, the oxygenation efficiency is high, the oxygenation amount is high, the breathability is improved, a necessary oxygen condition can be provided for the growth of plants,the growth and culture of organisms in the soil can be facilitated, and the survival rate of seedlings can be greatly improved.

The invention relates to a micro-oxygenation on-line monitoring automatic control system which comprises a water quality monitoring system, a data processing system and a micro-oxygenation aerating system, wherein the water quality monitoring system is arranged in a water body to be restored, and used for performing on-line in-situ detection on changes of water quality indexes, converting the detection values into an electric signal in real time and transmitting the electric signal to the data processing system; the data processing system is used for comparing the value measured by the water quality monitoring system with the system set value, determining whether oxygen supply is needed, giving out the aeration amount required by the water body of the corresponding region if the oxygen supply is needed, and meanwhile, transmitting an electric signal to start the micro-oxygenation aerating system; and the micro-oxygenation aerating system is used for controlling the amount of air entering the water body by using an electric control valve on the air pipe, thereby performing aeration. The micro-oxygenation on-line monitoring automatic control system can adopt different aeration intensities according to different water qualities.

The invention discloses a three-dimensional oxygen aeration system and method applicable to biological flocculation breeding method, and belongs to the technical field of aquaculture. The system comprises a culture pond, a perpendicular aeration oxygenation system, a jet flow oxygenation system and a pure oxygen aeration system. The perpendicular aeration oxygenation system comprises an aeration air inlet pipe and a dot-matrix aeration device. The jet flow oxygenation system comprises a water pump, a water supply pipe, a jet device and an air suction and inlet pipe. One end of the air suction and inlet pipe is connected with the water supply pipe, and the other end of the air suction and inlet pipe stretches out of the water surface. The pure oxygen aeration system comprises an oxygen conveying pipe and an adjustable air head. The oxygen conveying pipe is connected with the air suction and inlet pipe through the adjustable air head. In the culture preliminary stage, only the perpendicular aeration oxygenation system is started for aeration; in the culture middle period, the jet flow oxygenation system is started again for aeration, and in the culture later period, the pure oxygen aeration system is properly started for aeration according to the dissolved oxygen phenomenon. On the basis of different periods of biological flocculation culture and control requirement, the proper oxygenation mode is selected to be enabled, and water dissolved oxygen can be kept to meet the requirement for biological culture growth all the time.

The invention discloses a piston type oxygen-increasing machine. The piston type oxygen-increasing machine comprises a base, wherein a motor and a cylinder are mounted on the base, a piston is arranged in the cylinder, a connecting rod extending outside the cylinder is connected to the piston, a first air outlet pipe and a second air outlet pipe are arranged at one end of the cylinder, and a first air inlet and a second air inlet are formed in the other end of the cylinder; an air outlet one-way valve is mounted in the first air outlet pipe and the second air outlet pipe, an air inlet one-way valve is mounted in the first air inlet and the second air inlet; the first air outlet pipe and the second air outlet pipe are connected with a plurality of micropore air pascals separately through air delivery pipes; the motor is connected with the free end of the connecting rod through a crank transmission mechanism. According to the piston type oxygen-increasing machine structure, the motor drives a piston to make reciprocating action, and alternate air delivery can be performed through the first air outlet pipe and the second air pipe of the cylinder, so that the oxygen increasing efficiency can be greatly improved. The piston type oxygen-increasing machine has a favorable oxygen-increasing effect, and is favorable for improving the breeding quality of fish ponds.

The invention relates to a transmission of an oxygen increasing machine for aquaculture, comprising a motor, a speed reducer and an output shaft, wherein the output shaft comprises a lateral output shaft and a vertical output shaft which are driven by the speed reducer to rotate; two ends of the lateral output shaft extend out of the speed reducer and support the speed reducer on bearing pedestals at two sides; and the vertical output shaft extends out from the upper part of the speed reducer and can swing around the lateral output shaft along with the speed reducer to regulate an output angle. In the invention, the structural design is reasonable, the transmission structure is compact and two different kinds of vane wheels are synchronously used for increasing oxygen in different forms; and therefore, the oxygen increasing ability is greatly enhanced, the oxygen increasing efficiency is increased and the energy is saved.