15results about How to "Meet oxygen needs" patented technology

The invention belongs to the technical field of hydrogel materials, and discloses a carboxylated chitosan modified silicone hydrogel contact lens material and a preparation method thereof. The preparation method comprises the following steps: mixing a siloxane monomer, a zwitterionic monomer, a first cross-linking agent, an initiator and a first organic solvent, and carrying out polymerization reaction to obtain silicone hydrogel; and mixing the silicone hydrogel, carboxylated chitosan, a second cross-linking agent and a second organic solvent, and carrying out a cross-linking reaction to obtain the carboxylated chitosan modified silicone hydrogel contact lens material. The zwitterionic monomer is introduced into the siloxane monomer polymerization process, and the carboxylated chitosan is adopted to modify the silicone hydrogel, so that the protein adsorption resistance and antibacterial property of the contact lens material are effectively improved. Meanwhile, the raw materials are wide in source, the preparation method is simple and easy to operate, and large-scale industrial production can be achieved easily.

The invention relates to the technical field of water treatment, in particular to an intelligent sewage treatment system based on the Internet of Things, which is provided with a plurality of collection pools, a pretreatment module and a nitrification treatment module, and is characterized in that breeding sewage is collected through the collection pools and generation stage characteristics of the breeding sewage are determined according to breeding activity information; the method comprises the following steps: acquiring a sewage surface image of breeding sewage in a pretreatment tank through an information acquisition end, collecting the breeding sewage with the same stage characteristics through the pretreatment tank, judging whether the breeding sewage is subjected to optimization treatment or not, and selecting an optimization treatment mode of nitration treatment of the breeding sewage through a nitration tank, the flow speed of the breeding sewage in the flow guide pipeline is adjusted, or the air blowing-in mode of each aeration port is adjusted, then the breeding sewage is classified according to the breeding activity information difference, the optimized treatment mode that the sewage is adaptively adjusted for nitrification treatment is achieved, and the sewage treatment effect and efficiency are improved.

The invention provides an automatic constant-temperature internal circulation artificial incubation device which comprises an incubation pond, a water treatment tank is arranged on one side of the incubation pond, a water suction header pipe is arranged in the water treatment tank, and a plurality of suction pipes communicated with the water suction header pipe are arranged at the bottom of the incubation pond. A water filtering device, a disinfection box and a heating box which are sequentially communicated are arranged in the water treatment tank, the water suction header pipe is communicated with the inlet end of the water filtering device, a plurality of ultraviolet disinfection lamp tubes are arranged in the disinfection box, and an electric heating tube is arranged in the heating box; a circulating water pump is arranged in the water treatment tank, the inlet end of the circulating water pump is communicated with the outlet end of the heating box, the outlet end of the circulating water pump is communicated with a circulating header pipe, the upper end of the hatching pond is slidably connected with a plurality of water spraying pipes with holes in the lower portions, and each water spraying pipe is communicated with the circulating header pipe through a connecting hose. Hatching is conducted in a constant-temperature internal circulation mode, the water temperature can be accurately and evenly controlled, water quality can be effectively purified in the circulation process, and fry are prevented from getting ill.

This invention discloses a cultivation experimental device for studying plant ectomycorrhizal fungal interactions. It includes a base with a petri dish on it. A protective shell is installed around the petri dish on the top of the base. A circular plate is rotatably mounted inside the protective shell. Both the circular plate and the top surface of the protective shell have two symmetrical arc-shaped ventilation openings. An adjustment component connects the circular plate and the protective shell, including a splined sleeve rotatably connected to the top of the protective shell. This invention provides a cultivation experimental device for studying plant ectomycorrhizal fungal interactions that offers high adjustment precision, effortless operation, and stability. The precise design of the ventilation opening adjustment component allows for accurate control of the opening size, meeting the oxygen requirements of different fungal species and plants. Furthermore, the threaded connection of the protective shell enhances the stability and practicality of the device, providing strong support for scientific research.

The utility model discloses a saccharification pile oxygen introducing device in the technical field of white spirit brewing, which comprises a vertical pipe and a coil pipe, the vertical pipe is vertically arranged, the top end and the bottom end of the vertical pipe are sealed, a plurality of exhaust holes penetrating through the inner wall and the outer wall are formed in the peripheral side of the vertical pipe, and a connecting hole penetrating through the inner wall and the outer wall is formed in the bottom end of the vertical pipe. A plurality of vent holes penetrating through the inner wall and the outer wall are formed in the circumferential side of the coil pipe, an air inlet in one end of the air conveying pipe is connected with the air supply device, and the other end of the air conveying pipe is connected with the pipe opening in the outermost ring of the coil pipe. The saccharification pile oxygen introducing device solves the technical problems that fermentation is insufficient and sauce fragrance is not prominent enough due to the fact that the oxygen content of the fermentation pile core and the pile bottom of an existing saccharification pile is low, and is simple in structure and capable of improving the oxygen content of the pile core and the pile bottom of the saccharification pile.

This invention relates to the field of waste incineration system technology, specifically to an energy-saving oxygen-enriched incineration system for municipal solid waste in high-altitude areas. The system includes an incinerator, a secondary combustion section, and an exhaust pipe connected in sequence. The incinerator contains a primary combustion chamber with a first combustion grate. An air supply section is located on the side of the incinerator, containing a mixing chamber. The air supply section is equipped with oxygen supply equipment and a blower connected to the mixing chamber. A horizontal air pipe connected to the mixing chamber is horizontally arranged within the primary combustion chamber. Several vertical air pipes are vertically arranged above the horizontal air pipes, with their upper ends positioned above the first combustion grate. Several short exhaust pipes are arranged on the outer wall of the vertical air pipes, with the exhaust pipes angled downwards from one end connected to the vertical air pipe to the other. This invention addresses the problem in existing technologies where increased energy consumption during the incineration of municipal solid waste in high-altitude areas is easily caused by factors such as oxygen content and temperature.

The present invention belongs to the technical field of microbiological equipment, and specifically is a microbial bacterial liquid fermentation reaction tank, comprising a tank body and an aeration pipe, wherein the aeration pipe is installed at the bottom of the tank body, the aeration pipe is externally connected to an air supply device, and the aeration pipe is designed to be opened in the inner cavity of the tank body; an observation window made of a transparent material is inlaid and installed on the tank body; and an adjustment component is also included, wherein the adjustment component is installed inside the tank body, and the adjustment component is used to adjust the aeration position; the present invention adjusts the aeration position in real time in the microbial bacterial liquid fermentation reaction process by arranging the adjustment component, controls the position where bubbles flow into the fermentation liquid, and further meets the oxygen demand of the microorganisms as much as possible under different conditions, provides a suitable environment for the growth and breeding of the microorganisms, and further enhances the microbial fermentation effect.

This invention discloses an internal and external dual-circulation airlift aerobic fermentation device, relating to the field of microbial aerobic fermentation. The device includes a gas conveying system, a fermenter, a circulating pump, a circulating cooler, a liquid distributor, a liquid-gas jet emulsification device, a gas distributor, a guide tube, an internal coil heat exchanger, and a circulating liquid suction device. This invention utilizes multiple centrally symmetrical liquid-gas jet emulsification devices within the fermenter, employing high-speed liquid flow to strongly shear and collide with the gas phase, breaking the air into micron-sized fine bubbles, thus significantly increasing the gas-liquid contact surface area. Simultaneously, the use of rotating jets and a guide tube design ensures thorough mixing of the gas and liquid phases during the jetting process, forming an innovative internal and external dual-circulation mode. This invention combines the advantages of traditional mechanical stirring and airlift fermenters, significantly improving the production capacity and oxygen utilization rate of the fermentation device while substantially reducing energy consumption.

The utility model relates to the technical field of seedling box, and disclose a kind of vegetable seedling box of preventing ponding, including box, the inner wall of box is fixedly connected with side strip, the upper surface of side strip holds seedling tray, the bottom of seedling tray is fixedly connected with multiple cone cylinder, the inside bottom of box is placed with water receiving tray, and the outer wall of box is fixedly connected with overflow pipe, the outer surface of overflow pipe is inserted with flexible hose, and the outer wall of box is installed with temperature and humidity sensor.The utility model has efficient ponding prevention function, water leakage is set in the bottom of cone cylinder, soil adsorbs required moisture after watering, and excess moisture can be discharged in time, fall into water receiving tray, avoid ponding to affect vegetable seedling root system growth, simultaneously, water receiving tray side wall is equipped with leakage groove, when ponding is too much, it can be discharged through overflow pipe and flexible hose, and water receiving tray is convenient to take out, convenient to clean soil discharged with ponding, all-around guarantee seedling environment dry and comfortable.

This invention belongs to the field of contact lens technology, and provides a moisturizing protein-based contact lens and its preparation method. The preparation method includes the following steps: mixing a silk fibroin solution and a hyaluronic acid-binding protein solution to obtain a protein mixture solution; mixing a hydrophilic modification component, an oxygen-permeable modification component, and water to obtain a composite modifier; mixing the protein mixture solution, the composite modifier, and a crosslinking agent to obtain a pre-crosslinked mixture; molding the pre-crosslinked mixture and performing gradient crosslinking, followed by sequential soaking in buffer solution, rinsing, and sterilization to obtain the moisturizing protein-based contact lens. The contact lens of this invention uses protein as the main component, does not rely on silicon-based substances or harmful crosslinking agents, and possesses high biocompatibility, high oxygen permeability, suitable mechanical properties, and controllable degradation.

The papermaking wastewater treatment device comprises a barrel, a supporting seat is mounted at the lower end of the barrel, a plurality of annular electric heating plates are connected to the inner wall of the barrel, and a feeding opening is formed in the upper end of the barrel; the stirring mechanism comprises a rotating pipe rotationally connected to the inner bottom of the barrel body, the outer side of the rotating pipe is fixedly connected with a plurality of stirring shafts, the lower end of the rotating pipe extends to the outside, the right side of the barrel body is fixedly connected with a high-pressure box body, and a double-shaft motor is installed on the right side of the high-pressure box body; synchronous wheels are mounted on an output shaft at the lower end of the double-shaft motor and the outer side of the rotating pipe, and the two synchronous wheels are in transmission connection through a synchronous belt; and the gas supply mechanism is used for increasing the oxygen content of the wastewater. In the use process of the wastewater treatment device, a water body containing a dispersing agent is degraded and the dispersing agent is removed in a biodegradation manner, so that the recovery rate of paper pulp is increased.

The application discloses a kind of ship anti-piracy cabin emergency ventilation systems.The ship anti-piracy cabin emergency ventilation system includes the anti-piracy cabin under the topside deck, the side wall of anti-piracy cabin is provided with at least one air inlet pipe and one exhaust pipe in horizontal direction, air inlet pipe and exhaust pipe are close to topside deck, and air inlet pipe is at the opposite side of exhaust pipe, air inlet pipe and exhaust pipe extend to the outside of the hull from anti-piracy cabin respectively, the end of air inlet pipe extending into anti-piracy cabin is connected with extension pipe extending to the bottom wall of anti-piracy cabin, the upper side of extension pipe is provided with outside valve one, the lower side of extension pipe is provided with several air supply openings, the end of exhaust pipe extending into anti-piracy cabin is provided with outside valve two.The application solves the problem of high exposure risk and low safety in the prior art.

This utility model discloses a reservoir-type closed-loop water body in-situ water purification device, comprising an upper floating island and a lower floating island arranged vertically. The upper floating island includes a water tank with an open top, made of a material with a density less than that of water, and has a leakage hole at the bottom. The lower floating island includes a support frame, with a support rod fixed to the top of the support frame for connecting to the water tank. A floating body for planting aquatic plants is installed at the top of the support frame. Multiple sets of suspended biological packing materials are evenly suspended within the space enclosed by the support frame. A submersible pump is located at the geometric center of the area with the suspended biological packing materials. A nozzle is installed at the top of the water tank, and the submersible pump is connected to the nozzle via a water pipe passing through the water tank. Micro-aeration devices are evenly distributed within the support frame. Aquatic plants are planted on both the water tank and the floating body. The device has a simple structure, is easy to assemble, and provides good purification effect.

The invention discloses an automatic control system of an oxygen generation device. The automatic control system comprises an oxygen concentration analysis detector, an oxygen analysis instrument 12V power module, an oxygen candle ignition 24V power module, an isolator, a PLC (Programmable Logic Controller) module and a touch screen, the oxygen concentration analysis detector is powered by a 12V power supply module of the oxygen analysis instrument; the isolator receives concentration information collected by the oxygen concentration analysis detector and transmits the concentration information to the PLC module; the oxygen candle ignition 24V power supply module is electrically connected with the PLC module and is used for controlling an oxygen candle in the oxygen generation device to ignite; the touch screen is powered by the PLC module; the oxygen concentration analysis detector detects the oxygen concentration in the closed space in real time, when the oxygen concentration is lower than a set concentration value, the PLC module controls the oxygen candle to ignite, and meanwhile whether the oxygen candle continues to be controlled to ignite or not is determined according to the size relation between the oxygen concentration in the closed space and the oxygen concentration during ignition in the oxygen release process of the oxygen candle. The oxygen concentration in the closed space is higher than the oxygen concentration during ignition. The oxygen supply is more reliable, and the safety is higher.

This application relates to a positive-pressure long-endurance aviation breathing apparatus, which belongs to the field of emergency rescue equipment. It includes a pressure cylinder, a pressure reducer, a molecular membrane filter, a positive-pressure container, a carbon dioxide absorption device, and a breathing mask. The inlet of the pressure reducer is connected to the pressure cylinder, and the outlet is connected to the filter inlet of the molecular membrane filter. The oxygen-enriched outlet of the molecular membrane filter is connected to the positive-pressure container. An oxygen supply pipe is connected between the positive-pressure container and the breathing mask inlet. An oxygen recovery pipe is provided between the breathing mask outlet and the positive-pressure container. The carbon dioxide absorption device is installed on the oxygen recovery pipe, which can increase the oxygen content of the breathing gas and extend the endurance.