13results about How to "Improve dissolved oxygen efficiency" patented technology

The invention provides a submersible aerator and an aeration method.The submersible aerator comprises an air inlet pipe, an aeration chamber and a submersible electric pump, the aeration chamber comprises a water jacket and an aeration disc, the aeration disc is provided with an aeration cavity with an opening in the upper end and a plurality of flow channels distributed in the circumferential direction of the aeration cavity and communicated with the aeration cavity, and the bottom end of the water jacket is connected with the top end of the aeration disc; an inner cavity of the water jacket is communicated with the aeration cavity; the air inlet pipe is coaxially arranged in the water jacket, and the bottom end of the air inlet pipe is positioned at an opening in the upper end of the aeration cavity; the top end of the air inlet pipe is located above the liquid level, and the top end of the water jacket is 10-50 mm below the liquid level. A first impeller is arranged in the aeration cavity; the first impeller is connected with a submersible electric pump positioned below the aeration disc; according to the submersible aerator and the aeration method provided by the invention, the amount of air entering a water body is effectively increased, and the oxygen dissolving efficiency is improved.

This invention discloses a river water ecological restoration and purification device, belonging to the field of river water purification technology. It includes a base plate with an air cushion installed at its bottom. Above the base plate, from front to back, are sequentially arranged an ice-breaking and salvage conveying component, a collection and separation component, a water purification component, and an oxygenation component. The collection and separation component contains a vibrating filter component. A drive component is located between the ice-breaking and salvage conveying component and the collection and separation component. A propeller is fixedly installed at the rear of the base plate, and a power component for unmanned operation is installed on the top of the base plate. This invention, through its integrated ice-breaking and salvage conveying component, collection and separation component, vibrating filter component, water purification component, and oxygenation component, highly integrates multiple functional modules such as ice breaking, salvage, conveying, solid-liquid separation, water purification, and oxygenation, filling the gap left by the inability of most cleaning equipment to be used in winter and achieving uninterrupted river ecological restoration.

The utility model belongs to the field of freshwater pond culture, and particularly relates to a freshwater pond culture aerator which comprises an L-shaped supporting plate. A mounting plate is fixedly connected to the top of the L-shaped supporting plate, a driving motor is arranged on the front face of the mounting plate, a transmission rod is fixedly connected to the output end of the driving motor, and a driving assembly is connected to one end of the transmission rod; the driving assembly comprises a toothed shaft A fixed to one end of the transmission rod, the toothed shaft A is in transmission connection with a toothed shaft B through a toothed belt, and a directional hole is formed in the toothed shaft B; through the toothed belt transmission design of a toothed shaft A and a toothed shaft B in the driving assembly, the synchronous rotation function of a stirring ring and a long oxygen conveying pipe is achieved, the problem that the oxygen dissolving efficiency is low due to the fact that stirring and oxygen conveying positions of a traditional aerator are separated is solved, the stirring ring stirs water flow to enable oxygen to be evenly diffused, and the oxygen dissolving efficiency is improved in combination with micropore release of an oxygenation head.

The application discloses a closed fishery circulating aquaculture system, which comprises an aquaculture device, a water circulation pipeline, a biochemical device, an oxygen supply device and a gas supply device. The aquaculture device comprises an aquaculture tank and a feeding assembly. The aquaculture tank is provided with an aquaculture cavity. The aquaculture tank is provided with a first water inlet pipe and a first water outlet pipe. The feeding assembly is arranged on the aquaculture tank. The water circulation pipeline is arranged between the first water inlet pipe and the first water outlet pipe. The biochemical device comprises a biochemical tank. The biochemical tank is provided with a biochemical cavity. The biochemical cavity is communicated with the water circulation pipeline. The biochemical cavity is used for accommodating nitrifying bacteria. The oxygen supply device is connected with the aquaculture tank and the biochemical tank. The gas supply device is provided with a gas conveying pipe between the aquaculture tank. The closed fishery circulating aquaculture system can not only meet the pressure requirement of aquatic products growing in different environmental pressures, but also make the water dissolving oxygen efficiency in the aquaculture cavity higher and be more beneficial to the growth of the aquatic products. In addition, the biochemical device is more beneficial to the growth of the photophobic and aerobic nitrifying bacteria.

The present invention discloses an aerator and an aeration method, belonging to the technical field of aeration equipment. It comprises: a plurality of aeration components and an aeration tube; the plurality of aeration components are all truncated cone-shaped and are connected in sequence, the small end of the first aeration component is connected to the large end of the second aeration component from bottom to top, and the lengths are equal, the small end of the second aeration component is connected to the large end of the third aeration component, and the lengths are equal, and so on, the small end of the top aeration component is connected to an aeration cap, the bottom of the bottom aeration component is closed, and the plurality of aeration components and the aeration cap together form a conical aerator body. In the process of gas entering the lower aeration component from the top aeration component, gas and water form bubbles, and the bubbles are cut by the cutting column. The use of multiple air cushion layers and cutting bubbles can form both uniform gas distribution and fine micro-nano bubbles, greatly increasing the dissolved oxygen efficiency, reducing the air intake, and achieving energy-saving effects.

The utility model discloses a microbial fermentation device which comprises a tank body, a stirring frame and at least two layers of stirring paddles which are arranged in the tank body and are distributed along the axial direction of the tank body, and the microbial fermentation device has the beneficial effects that fermentation liquor in the tank body can be stirred and aerated through the matched use of the arranged stirring frame and an aeration main pipe, so that the dissolved oxygen transmission efficiency and the mixing uniformity are improved; meanwhile, by arranging the flow guide pipe with the jet flow direction opposite to the rotating direction of the stirring paddle, a reverse strong vortex field can be formed in the tank, so that gas-liquid two phases generate a shearing effect, the retention time of bubbles is prolonged, and the oxygen dissolving efficiency is improved, in addition, due to strong vortexes generated by reverse jet flow, the rotating speed of the stirring frame can be properly reduced; the shearing damage caused by high rotating speed is reduced, and the problems of insufficient dissolved oxygen, low viable bacteria rate and over-high energy consumption in the traditional fermentation device are solved.

The application discloses a culture tank and a closed fishery culture system, and relates to the technical field of fishery culture. The culture tank comprises a tank body, a feeding assembly, a gas conveying pipe and an oxygen supply assembly. A culture cavity is formed in the tank body. The tank body is provided with a water inlet pipe connected with the culture cavity. The feeding assembly is arranged on the tank body and used for feeding the culture cavity. The gas conveying pipe is arranged on the tank body and connected with the culture cavity, and is used for conveying gas to the culture cavity to adjust the pressure in the culture cavity. The oxygen supply assembly is arranged on the tank body and used for supplying oxygen to the culture cavity. The culture tank and the closed fishery culture system can not only adjust the environmental pressure in the culture cavity of the tank body, thereby meeting the pressure requirements of aquatic products growing in different environmental pressures, but also can reduce the influence of external environment on the aquatic products. In addition, the oxygen dissolving efficiency is higher, the oxygen dissolving needs less supplement, and the energy consumption is lower.

The invention discloses a tailing pond spraying dust fall system and an operation method thereof, and the tailing pond spraying dust fall system comprises a tailing pond which comprises a dry beach face at the top and a side dam slope; the tailing pond is provided with a gas drive well and a spraying device; the system further comprises an air compressor room, an air compressor and a variable-temperature plate are arranged in the air compressor room, the two ends of the variable-temperature plate are communicated with a sewage treatment device through pipelines, the gas-driven well is communicated with the input end of the sewage treatment device through a water outlet pipe, and the spraying device is communicated with the output end of the sewage treatment device. The water body can be guided into the sewage treatment device by utilizing the potential energy of the high-pressure water body discharged by the gas-driven well, and the sewage treatment device is driven by utilizing the pressure of the water body, so that an aeration fan in a conventional process is omitted, the oxygen dissolving efficiency of the water body can be improved, and the requirement of spraying and dust falling on the tailing pond for a long time in an arid region or an environment in shortage of water resources is met; and the tailing pond underground water is used as circulating spraying water, so that the dam break risk caused by rising of the infiltration line of the tailing pond is avoided.

The invention relates to the technical field of aquaculture, and particularly discloses an oxygen dissolving machine for improving oxygen dissolving efficiency for aquaculture, the oxygen dissolving machine comprises an oxygen dissolving machine main body, the surface of the oxygen dissolving machine main body is in threaded connection with a first micro-nano air waterfall spray head, and the top of the first micro-nano air waterfall spray head is fixedly connected with an oxygen inlet pipe; through the arrangement of the first micro-nano air waterfall spray head and the oxygen recovery pipes, when the oxygen dissolving machine is used, unfused oxygen is directly absorbed and discharged into the oxygen dissolving machine main body through the oxygen recovery pipes on the two sides, and then oxygen in the oxygen dissolving machine main body is recovered through the oxygen recovery system; then the oxygen is discharged into the first micro-nano air waterfall nozzle through an oxygen inlet pipe by virtue of a discharging system, so that the oxygen which is not changed into the micro-nano level can be recycled into a circulating system and is repeatedly and circularly sprayed by virtue of the first micro-nano air waterfall nozzle, and finally, the oxygen can flow out of a water outlet until 100% of the oxygen is dissolved in a water body; and the oxygen dissolving machine is designed to prevent oxygen molecules from losing along with water when the oxygen molecules quickly move under the mechanical action.

The utility model discloses a combined type bioreactor, including bottom plate, transparent bucket body, sealing end cover, support plate, fixed flow guide cylinder, movable flow guide cylinder, fixed link, arc connecting plate, control ring, air distributor, air inlet pipe and stirring mechanism. Transparent bucket body installs on the bottom plate, and the top is sealed through the sealing end cover, and support plate installs in the center of bottom plate and supports fixed flow guide cylinder, and the movable flow guide cylinder of adjustable height is equipped with on the flow guide cylinder top, and movable flow guide cylinder realizes height locking through fixed link and control ring. Air distributor is equipped below fixed flow guide cylinder, and is connected with external air inlet pipe, realizes even gas dispersion. Motor drives stirring rod to carry out mechanical stirring, promotes culture solution circulation and mixes. The structure can flexibly adjust flow guide cylinder position according to liquid level height, improves mixing uniformity and oxygen utilization efficiency, enhances operation adaptability and sealing safety, is applicable to microbial culture and reaction under different working conditions.

This utility model relates to the field of water aeration technology, specifically to an integrated air-water mixing oxygenation system. It includes an oxygenation tower, which is frustum-shaped and contains an aeration chamber. It also includes a main water supply pipe for conveying water flow, with multiple oxygenation towers. Multiple branch water supply pipes are connected to the main water supply pipe and are connected to the upper part of the oxygenation tower. Furthermore, it includes an aerator for supplying airflow to the oxygenation tower, with an air supply pipe connected to the outlet of the aerator. This air supply pipe is connected to the lower part of the oxygenation tower, and a water supply pipe for supplying water to a water tank is connected to the lower part of the oxygenation tower. This integrated air-water mixing oxygenation system allows for flexible selection of the number of oxygenation towers according to the size of the water tank, achieving efficient oxygenation for large-area water tanks. The air supply pipe connects to the lower part of the oxygenation tower, and the branch water supply pipes connect to the upper part. During the descent of the water flow, it can better mix and contact with the rising air bubbles, prolonging the contact time between the bubbles and water and improving dissolved oxygen efficiency.

The utility model discloses a fish fry cultivation releases oxygen device, including mounting seat, the mounting seat outer wall is provided with external fixed establishment, the mounting seat top is provided with moving plate, the moving plate and mounting seat between are provided with horizontal movement mechanism, the moving plate outer wall is provided with the lifting plate, the lifting plate and moving plate between are provided with height adjusting mechanism, the lifting plate outer wall is provided with agitating treatment mechanism, the lifting plate outer wall is provided with ventilation treatment mechanism, the lifting plate both ends outer wall all are provided with protection institution. The utility model through agitating and ventilation cooperation promote the oxygen dissolving efficiency, and the third motor drive rotating shaft and the rotation of agitating rod of agitating treatment mechanism, break the water layer stratification and make oxygen distribution even, and the air pump of ventilation treatment mechanism passes through the air inlet pipe, hollow rotating shaft and gas guide hole and leads into the oxygen of agitating rod, and then releases the small bubble through the air jet pipe, and increases the contact area with water, and rapidly promotes the oxygen content in water.

The invention belongs to the technical field of sewage treatment aerators, and particularly discloses an efficient anti-clogging double-rotational-flow aerator and a hoisting aeration device.The double-rotational-flow aerator comprises a barrel and an air inlet pipe, a turbulence generator is arranged in the barrel, a plurality of sets of upper rotational-flow spray pipes are arranged outside an upper rotational-flow guide cover at the upper end of the barrel, and the upper rotational-flow guide cover is provided with a plurality of sets of lower rotational-flow spray pipes; the bottom of a lower rotation flow guide cover at the lower end of the barrel is open, a plurality of lower rotational flow spraying pipes are arranged in the lower rotation flow guide cover, an air inlet pipe sequentially penetrates through the upper rotation flow guide cover and the barrel from top to bottom and is communicated with all the lower rotational flow spraying pipes, and the spiral spraying direction of all the lower rotational flow spraying pipes is consistent with the inclined spraying direction of all the upper rotational flow spraying pipes. According to the aerator disclosed by the invention, the upper rotational flow spray pipe and the lower rotational flow spray pipe are respectively arranged on the upper flow guide cover and the lower flow guide cover to form a double-rotational-flow structure, and the turbulent flow generator is arranged in the barrel, so that the aerator not only prevents blockage, but also can efficiently aerate. The hoisting aeration equipment comprises an air blower and an aerator, and the aerator is hoisted in the aeration tank by the hoisting aeration equipment through an aeration air pipe, so that the maintenance is convenient.