15 results about "OXYGEN EXPOSURE" patented technology

The invention discloses an experimental device and method for simulating rat reproduction influence under exposure of a low-pressure anoxic environment, relates to the technical field of reproduction influence experiments, and provides the following scheme that the experimental device comprises a low-pressure experimental module fixed on the ground and a vacuum pump erected on the top surface of the low-pressure experimental module, the extraction end of the vacuum pump penetrates into an inner cavity of the low-pressure experiment module through a pipeline, a hatch is formed in the left side of the low-pressure experiment module, and a hatch door is installed on the end face of the hatch through a hinge. According to the technical scheme, by simulating the day and night temperature difference at the altitude of 4000 m and 6000 m and 12 DEG C / 2 DEG C in the low-pressure experiment module and simulating the plateau environment to feed rats, the plateau low-oxygen exposure environment can be closer to the plateau low-oxygen exposure environment, and by conducting slice detection on testicular tissue of the test rats, damage data of the low-pressure low-oxygen exposure environment to the male reproductive system is obtained. Therefore, the method has certain good reproducibility on reproductive system injury in a low-pressure and low-oxygen exposure environment.

The invention relates to the technical field of water conservancy projects, and discloses a high-altitude area hydropower station tail water fixed fish gathering and transporting system and method.The high-altitude area hydropower station tail water fixed fish gathering and transporting system comprises a fish gathering pond, two openings are formed in the fish gathering pond, and the fish gathering pond and a cavity of the fish gathering pond form a fish gathering channel with the upstream and the downstream; an intermittent oxygen exposure structure is arranged on the stepped platform; the sliding table is slidably connected with a supporting plate in the length direction of the fish collecting pond, the supporting plate is provided with a stirring structure, the stirring structure is provided with an output end, and the output end extends into the cavity of the fish collecting pond; a counterweight part is arranged on the light emitting source of the fish luring structure, and when the output end of the stirring structure rotates, the distance between the light emitting source and the supporting plate is changed; according to the method, the state of the fishes in the fish collecting pond can be considered, the fishes are maintained, the phenomenon that part of the fishes feel uncomfortable after entering the transportation equipment is prevented, and then the survival rate of the whole fish collecting and transporting system is increased.

The invention discloses a water quality improvement method in water ecological restoration, which comprises the following steps: S1, sampling and detecting river water quality and river bottom sludge, draining the river water quality, and introducing a new water body; s2, adding a water quality improving additive into the river channel; s3, constructing a wetland river and aquatic plants at the bottom end of the riverway, culturing duckweed on the water surface of the riverway, and performing quicklime treatment on the substrate of the riverway; s4, fish and shrimps are put into the water body, and oxygen exposure treatment is conducted; S5, lawns, forest belts and shrubs are planted on the two banks of the river channel; s6, maintaining the water environment of the river channel, regularly sampling and detecting water quality and sludge, and performing data comparison; compared with the prior art, the method has the advantages that a combined remediation method is adopted, the water ecological environment of the riverway is remedied, the remediation effect is guaranteed, aquatic plants and aquatic animals are arranged in the riverway, a stable water ecological circulation system is established, the self-purification capacity of a water body in the riverway is effectively improved, and the water ecological remediation effect is improved.

The utility model discloses a floating type fish culture bucket which comprises a plurality of culture buckets and an annular air bag, the culture buckets are connected through a floating type passageway, an oxygen exposure disc is arranged in each culture bucket, and the top of each oxygen exposure disc is connected with a first air pump arranged on the surface of a pond through an oxygen exposure pipe. The multiple annular air bags are arranged on the outer surfaces of the multiple culture barrels in a sleeving mode respectively, the annular air bags are inflated by controlling the second air pump, the annular air bags expand rapidly to generate strong buoyancy, the culture barrels are driven to ascend stably, the culture barrels are lifted to the high position of the water surface of the pond under the action of the annular air bags, and the water surface of the pond is raised. While the culture barrel is lifted, the fishing net in the culture barrel is pulled to ascend along with the culture barrel, and the fishes can be gradually gathered and lifted along with the ascending of the fishing net, so that the culture personnel can conveniently and easily fish out the fishes in the bottom of the culture barrel, the fishing time is greatly shortened, and the fishing efficiency is remarkably improved.

The invention provides a marine ecological restoration algae removal and oxygen exposure girdling device, and relates to the field of ecological restoration, the marine ecological restoration algae removal and oxygen exposure girdling device comprises a ship body, and further comprises a winding component arranged on one side in a ship body containing cavity; the annular cutting part is arranged at the moving end of the winding part and used for cutting off algae; the supporting frame is fixedly mounted on the other side in the containing cavity of the ship body; the aeration component is fixedly mounted on the side wall of the supporting frame and extends to the external water surface of the ship body; the aeration pipe is communicated with the aeration component and can fall to the water bottom for underwater aeration. According to the device, the winding motor can drive the winding wheel to wind the wire, so that winding and unwinding of the girdling cylinder are achieved, the girdling cylinder is put into a designated area, the cutting motor drives the cutting shaft to move, so that the cutting blade is driven to cut off algae, the floating disc swings under the action of water waves, the sliding rod is driven to move, and the sliding rod drives the piston to move; and the air is pumped through the air inlet one-way valve and the air outlet one-way valve and is conveyed to the water bottom for oxygenation.

The invention discloses an excrement sample collection and preservation device. A containing cavity is formed in a shell; a sampling spoon groove and a gas storage cavity are formed in the sampling body, the sampling body is connected with the shell and seals the containing cavity, and the sampling spoon groove is formed in the containing cavity; the air bag is arranged in the air storage cavity and is pre-filled with anaerobic gas; the operation part is matched with the sampling body and seals the air storage cavity, and the operation part moves relative to the sampling body and acts on the air bag to damage the air bag; the one-way ventilation structure is configured to allow anaerobic gas released by the air bag to flow into the accommodating cavity in a one-way manner and allow the gas to be discharged from the accommodating cavity to the atmosphere in a one-way manner. External anaerobic equipment is not needed, through the pre-inflation bag and the one-way ventilation structure, air replacement of the containing cavity can be completed on site after sampling, and the problem of oxygen exposure in the anaerobic bacteria transfer process is fundamentally solved.

The utility model discloses a small-sized associated gas wet desulphurization device which comprises an absorption tower, a liquid separation bag and a precipitator, an associated gas inlet is arranged at the lateral lower part of the absorption tower, a solution inlet is arranged at the lateral upper part of the absorption tower, a purified gas outlet is arranged at the top of the absorption tower, and the purified gas outlet is connected to a gas inlet of the liquid separation bag; a liquid phase outlet is formed in the bottom of the absorption tower and connected to a liquid inlet of the precipitator, a gas outlet in the top of the liquid separation bag is connected to a downstream natural gas pipeline, a liquid outlet in the bottom of the liquid separation bag is connected to the liquid inlet of the precipitator, a filtering system is arranged outside the precipitator, and an oxygen exposure device is arranged inside the precipitator. A barren liquor outlet of the precipitator is connected to a solution inlet of the absorption tower. On the premise of thoroughly changing the production mode of the original dry-type desulfurization tower, the operation risk of safe operation is reduced, the corrosion to a gathering and transportation pipe network is reduced, the production and operation cost is effectively reduced, and the safe and environment-friendly operation of oil and gas field production is ensured.

The present application relates to a kind of wetland remediation protection equipment, including two installation plates, movable connection is carried with the bearing plate between installation plate along vertical direction;Support frame is hinged to the front end of bearing plate, and support frame is rotatably provided with turnover roller;Bearing plate top is equipped with liquid medicine tank, and bearing plate bottom is fixedly provided with spraying assembly and multiple rotatably connected aeration cylinder, and aeration cylinder is equipped with aeration hole arranged along helical line track interval, and the side wall of aeration cylinder is equipped with stirring blade, and the edge of the rotating radial outside of stirring blade is equipped with cutting edge, and stirring blade is alternately staggered arrangement in the axial direction of aeration cylinder;The side of installation plate top is equipped with gas supply assembly for each aeration cylinder to transport gas.The present application is through to bottom sludge turnover, spray, oxygen exposure and the synergistic effect of stirring, can break bottom sludge hardening layer release adsorbed state pollutant, promote reagent and pollutant fully mixed, also simultaneously improve dissolved oxygen content, so that aerobic microorganism can also participate in pollutant degradation, improve overall repair speed.

The utility model discloses a novel square fishpond oxygen aeration device which comprises a square fishpond, a lifting assembly is arranged on one side of the square fishpond, one end of the lifting assembly is fixedly connected with a mounting plate, and a first movable rod is slidably mounted in the mounting plate in the vertical direction. Through the arrangement of the first movable rod, the diving aerator, the telescopic assembly and other parts, when the device is not used, the electric hydraulic push rod end drives the fixed ring at the top of the first movable rod to move downwards, and meanwhile, the first movable rod drives the diving aerator to move downwards, so that the distance between the diving aerator and the movable ring is lengthened; the telescopic spring pushes the movable ring to be attached to the bottom of the mounting plate, at the moment, the second movable rod deflects and pulls one end of the corresponding sleeve to move towards the surface of the submersible aerator, after the sleeve moves in place, the connecting hole in the surface of the sleeve and the aeration hole in the surface of the aeration pipe are completely staggered, and air backflow is effectively prevented.

The present application relates to sewage purification technical field, specifically disclose a kind of microporous uniform gas distribution sewage aerobic aeration purification device, including main aeration frame, the both sides of being located in purification pond are erected with main aeration frame, and several sub-aeration pipes are equipped between two main aeration frames, the both ends of sub-aeration pipe are threadedly connected with connecting sleeve, and the opposite side of two main aeration frames is integrally formed with several gas guide interfaces.Through threadedly connecting between sub-aeration pipe and main aeration frame, and cooperating with the setting closed cover, the laying density of aeration pipe can be flexibly adjusted according to actual processing requirement, the modular expansion or capacity reduction is realized;Aeration assembly and sub-aeration pipe adopt plug-in type hanging structure, cooperate with the automatic on-off design of internal gas circuit, so that when replacing aeration block, water tank does not need to be emptied, only simple plug-in operation can be completed, effectively reduce maintenance difficulty and downtime, ensure the continuous and stable operation of sewage treatment device.

The invention discloses an oxygen aeration device and process for polymer sewage preparation. The oxygen aeration device comprises an aeration disc (6) and an air supply system, the air supply system inputs air into the aeration disc (6), and the aeration disc (6) disperses and outputs the air into a dilution tank (5) for polymer sewage preparation; the oxygen aeration device dispersedly inflates air into a dilution tank (5) and stirs sewage in the dilution tank (5), so that the sewage is mixed with oxygen in air to remove reducing substances in the sewage; the problem that the viscosity of a polymer is lost due to the fact that reducing substances in sewage cannot be effectively removed due to the fact that the dissolved oxygen content of a water ejector oxygen aeration technology is low is solved.

The utility model discloses a high-efficiency oxygen exposure device, including a shell, the front and rear ends of the inner cavity of the shell are provided with floating blocks, the middle end of the inner cavity of the shell is fixedly installed with a micron high oxygen exposure device, the top of the shell is provided with sinking grooves all around, the bottom of the sinking grooves is provided with connecting through holes, the inner side of the connecting through holes is fixedly connected with a pulling rope body, the other end of the pulling rope body is fixedly connected with a connector, the bottom of the connector is threadedly connected with a weight block, and the outer side of the shell is provided with reinforcing ribs, and the material of the reinforcing ribs is stainless steel. The utility model achieves the purpose of convenient oxygen exposure position adjustment, wide oxygen exposure range, good flexibility and high efficiency through the arrangement of the connector, the weight block, the pulling rope body, the floating block, the micron high oxygen exposure device and the connecting through hole, and the device has a simple structure, is easy to operate, has a low manufacturing cost, is practical, and is conducive to market promotion.

The invention discloses a high-efficiency Micro-LED quantum dot color conversion layer and a preparation method thereof, and the method comprises the steps: uniformly injecting a quantum dot solution into a pre-prepared nano-porous structure epitaxial wafer through a spraying technology under the protection of inert gas; placing the epitaxial wafer after quantum dot injection in air for oxygen treatment; and cleaning and drying the epitaxial wafer subjected to oxygen treatment to obtain the epitaxial wafer. The quantum dots on the surfaces of the nanopores are subjected to oxidation treatment, so that an oxidation film is formed on the surfaces, and the oxidation film serving as a physical barrier can effectively block permeation of oxygen and moisture in the environment and can keep the integrity of the nanopore structure without affecting the light extraction efficiency; the breakthrough technology provides a key solution for commercial application of the quantum dots in the high-end display field, and is expected to promote the large-scale industrialization process of the quantum dot display technology.

A method and apparatus for a two-piece capsule configured to expel air and reduce bubbles within a composition. The invention features a capsule with a cap and body, where the cap includes an insert with a dome shape designed to compress against the meniscus of a fluid composition or powder. This compression minimizes trapped air and enhances the capsule's structural integrity and longevity. Additionally, the capsule may employ a sealing element to prevent leakage, ensuring a stable, bubble-free environment for the contents. The capsule's design allows for efficient filling and reduces oxygen exposure, thus preserving the quality of the encapsulated material. The invention can be used for both powder and liquid encapsulations, enhancing shelf life and stability by significantly reducing internal air and maximizing fill volume.

1. The name of the design product: oxygen exposure pump. 2. The use of the design product: for water treatment for oxygenation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.