151results about How to "Guaranteed oxygen demand" patented technology

The invention discloses a pearl cultivation method, and belongs to the aquatic product cultivation technical field; the method comprises the following steps: selecting a cultivation room to cultivate pearl oysters, wherein the cultivation room comprises a culture pond, a first purifying pond, a second purifying pond, and a water storage pond connected in sequence, and top surfaces of the four parts gradually descends in a stepped manner; utilizing a tide difference principle to realize water self-discharge self-irrigation in the pond; arranging a filtering net and a mesh screen to purify water body, thus saving energy, and reducing cultivation cost; arranging the bottom of a net cage to be a waveform surface so as to prevent pathogen infection, thus providing better growth environment for the pearl oysters; preparing nutrient solutions of different components to process cell small particles and pearl cores, thus improving core planting rate, and reducing core repelling phenomenon; applying different fertilizers to accelerate pearl oyster maturation in different stages, and promoting pearl quality in the same time.

The invention provides a pulse aeration biological contact oxidation water treatment device, belonging to the technical field of water treatment engineering. The device consists of a water pool, an aeration system, a biological padding area, a pulse generator, an air valve and the like. The pulse generator, the aeration system and the biological padding area are successively installed from the bottom of the pool to the upper part; the aeration system and the pulse generator are connected and communicated through the air valve; an air supplying tube continuously supplies air for the pulse generator; after the pulse generator is full of air, the air is quickly released to the aeration system through the air valve, and is released to the biological padding area in a form of small bubbles through the aeration system; and after the air is completely released, the inlet of the aeration system is closed by the air valve so as to stop water from entering. When the device provided by the invention operates, the outside can supply the air for the device in a continuous and low-strength form, and the aeration of the inner padding area is in an intermittent pulse and high strength form; and when micro-polluted water with large oxygen demand is treated, the pulse aeration achieves the aeration strength required when an aged biological film falls off on the premise of guaranteeing the oxygen demand, thereby reducing the air supplying amount and saving energy.

The invention discloses a process for improving fermentation conversion rate of an enzyme preparation, which comprises steps of strain culture of enzyme-producing strains, aerobic fermentation culture and extraction and purification of the enzyme preparation, wherein oxygen-rich sterile air is introduced in a fermentation tank culture process of the aerobic fermentation culture step, or oxygen-rich sterile air is introduced in a seed tank culture process of the strain culture step and a fermentation tank culture process of the aerobic fermentation culture step. When the process meets the oxygen requirement of the strains, the process can improve the activity of the fermentation enzyme by over 10 percent, shorten the fermentation period by about 20 percent under the condition of smaller ventilation ratio, increase the charging coefficient of a reaction tank at the same time, improve the yield of the enzyme preparation by about 50 percent, and save the power consumption of ton product under the equal condition by about 40 percent compared with the power consumption without adopting the oxygen-rich sterile air so as to greatly improve the utilization rate of energy.

A pleasure-boat type movable water quality improving apparatus is composed of a pleasure-boat, an air supplying unit in said boat, and a living things carrier under said boat. Said carrier consists of the cylindrical fillers composed of mass transfer bodies, the pile loop bodies as planting carrier and fixing rings, and two fixing sleeve pipes arranged at both ends of fillers.

The invention discloses a method for increasing a hatching rate of transplantation in other areas of fertilized ova of protosalanx hyalocranius, which comprises the steps such as selection of ova transporting tools and supporting facilities, loading and transportation of the fertilized ova, management in transportation, temporary rearing and hatching, and releasing of the fertilized ova. Accordingly, the hatching rate of the transplantation in other areas of the fertilized ova of protosalanx hyalocranius is increased, and more protosalanx hyalocranius fries in water where the fertilized ova are to be transplanted and higher economic benefit are obtained.

The invention discloses a safe frog spawning and hatching device, which comprises a suspension ring, a mesh plate, a sonar fish driving device, a storage battery, a weight plate, a heater, a level, an underwater camera, an induction lamp gas flow meter, an oxygen generating device and The airbag, the side of the mesh plate is provided with lifting rings, the interior of the mesh plate is equipped with a battery and a heater, the side wall of the mesh plate is equipped with a sonar fish repelling device, the bottom of the mesh plate is provided with spikes, and the center of the bottom surface of the mesh plate is provided with a weight There are level gauges and thermometers on the side wall of the mesh plate, underwater cameras are installed on both sides of the upper surface of the mesh plate, grooves are evenly arranged on the surface of the mesh plate, induction lights are installed on the side of the groove, and oxygen gas is installed at the bottom of the mesh plate. Generating device, the oxygen generating device is connected with the nozzle through the air pipe, and the air bag is connected with the net plate through the traction rope. The invention ensures the living and hatching environment of the frog eggs, facilitates the spawning of frogs and the growth of the frog eggs, has simple structure, is convenient to use, and is beneficial to popularization.

The invention provides a building. The building is provided with gas supply pipelines. The gas supply pipelines are provided with gas outlets at appropriate positions of floors. Gas inlets of the gas supply pipelines extend to the outer side of the building and are communicated with gas outside the building.

The invention discloses an unmanned boat intelligent fishery fry placement device. The device includes an unmanned boat, wherein the deck of the unmanned boat is provided with a fry placement device,the fry placement device includes a fry box fixing seat arranged on the deck of the unmanned boat, the fry box fixing seat is in sliding connection with a fry box, the fry box can slide along the length direction of the fry box fixing seat, the fry box is provided with at least two fry rooms arranged along the length direction, top walls of the fry rooms are of opening structures, two side walls of the fry rooms along the width direction are symmetrically provided with door grooves, and the door grooves are provided with box doors capable of sliding up and down. The invention further disclosesa method utilizing the fry placement device for fry placement. The device is advantaged in that the structure is simple, design is reasonable, different types of fries can be placed according to placement requirements of different fry placement zones, and fry placement varieties are enhanced; the operation method is simple, unmanned fry placement is achieved, fry placement efficiency is improved,labor and time saving is realized, and a problem of low fry placement efficiency of a traditional method is solved.

The invention provides a device for photocatalytic treatment of heavy metal-containing wastewater. The device for photocatalytic treatment of the heavy metal-containing wastewater comprises a reactiontank, a box cover arranged at the top of the reaction tank, and a first water pump, wherein the bottom of the first water pump is fixed to the top of the box cover. The device for photocatalytic treatment of the heavy metal-containing wastewater has the following advantages: the oxygen content in the wastewater is increased, and sufficient oxygen content in the wastewater is guaranteed, so that the oxygen demand in a photocatalytic reaction is guaranteed, and reaction efficiency and purification quality are improved; uniformity of ultraviolet light irradiation and uniformity of the photocatalytic reaction are guaranteed, the reaction rate of the photocatalytic reaction is increased, uniformity of the reaction is guaranteed, the purification quality and the purification effect are improved, the content of heavy metals in the wastewater is reduced to the maximum extent, purification quality of heavy metal sewage is guaranteed, and the standard of safe emission is reached; and impuritiescan be easily collected and cleaned, so that a guarantee is provided for normal operation of equipment.

The invention provides an anti-smog handrail. The anti-smog handrail employs an air supply pipeline. The pipe wall of the air supply pipeline is provided with an opening along the length direction ofthe pipeline; both sides of the opening are respectively connected to a chain belt I and a chain belt II; one side edge of the chain belt I is provided with arrayed chain teeth I; one side edge of thechain belt II is provided with arrayed chain teeth II; a ventilation sliding block device is disposed on a joint between the chain belt I and the chain belt II; the ventilation sliding block device can slide on the chain belt I and the chain belt II; the structure of the ventilation sliding block device includes two guiding mouths, a bottom plate, a cover plate and inner core bodies; the bottom plate is connected to the cover plate through the inner core bodies; a gap is disposed between the bottom plate and the cover plate; in the outer sides of the guiding mouths of the ventilation slidingblock device, the chain teeth I of the chain belt I are meshed with the chain teeth II of the chain belt II; the chain teeth I and the chain teeth II located inside the ventilation sliding block device are opened by the inner core bodies; and the bottom plate or the cover plate of the ventilation sliding block device inside the air supply pipeline is provided with an air outlet hole.

Provided is a building. The building is provided with an air supply pipeline. The pipe wall of the air supply pipeline is provided with a line-shaped opening, and is all or partially made of an elastic material. The pipe walls on the two sides of the opening are separated and spaced by a distance, or the pipe walls on the two sides of the opening can be separated and opened, or the opening is closed and can be opened. The pipe walls are connected with magnetic sealing bars or connected with sealing bars with ferromagnetism. The sealing bar seals the openings through magnetic attraction, and the air supply pipeline can provide air meeting the breathing demand.

Provided is a gas supplying pipeline. The pipe wall of the gas supplying pipeline is provided with a linear opening in the hole direction of the gas supplying pipeline; the pipe wall is fully or partially made of an elastic material; and according to the opening, a plurality of persons can get close to the opening to directly inhale with the mouths at the same time, or gas passing pipes are used and are inserted into the opening for inhaling.

The invention discloses a multi-stage automatic oxygen enrichment control system for a motor vehicle, which comprises a supercharger, a supercharging pipe, a plurality of blocking valves, a plurality of nitrogen-oxygen separators and an air pipe; the supercharger comprises a turbine and an impeller, the air inlet of the turbine is connected with an exhaust pipe of the motor vehicle, the air inlet of the impeller communicates with the atmosphere, and the air outlet of the impeller communicates with the supercharging pipe; the blocking valves are mounted in the supercharging pipe, each blocking valve is connected with an electromagnetic switch A, and all the electromagnetic switches A are electrically connected in parallel with one relay A; the nitrogen-oxygen separators are mounted in the air pipe behind the stopping valves, each nitrogen-oxygen separator is connected with an electromagnetic switch B, and all the electromagnetic switches B are electrically connected in parallel with one relay B; both the relay A and the relay B are electrically connected with an electric control unit of the motor vehicle. The multi-stage automatic oxygen enrichment control system for the motor vehicle realizes on-demand oxygen enrichment and stage-by-stage oxygen enrichment, and solves the problem of energy waste existing in pure oxygen enrichment and the problem of insufficient power existing in single-stage oxygen enrichment.

A gas supply system, including a breathing air source, the gas supply system also includes a gas supply pipeline, the gas supply pipeline is connected to the breathing air source, the wall of the gas supply pipeline is provided with linear openings, The pipe wall on one side of the above-mentioned opening is directly or through a chain belt connected with an array of chain teeth I, and the pipe wall on the other side of the above-mentioned opening is directly or through a chain belt connected with an array of chain teeth II, and the above-mentioned chain teeth I and chain teeth II can be closed together or separated open.

The invention discloses a portable emergency oxygen generator, and provides a portable emergency oxygen generator which is convenient to carry and use and long in continuous use time. The portable emergency oxygen generator comprises a shell matched with a top cover and a bottom cover, a control circuit board is arranged in the top cover, a battery module, a compressor unit, a gas separator and anoxygen generation device are sequentially arranged in the shell from bottom to top, the top cover is provided with an air inlet and an oxygen outlet connector, and an air inlet of the compressor unitis communicated with the air inlet of the top cover; the gas inlet of the gas separator is communicated with a gas outlet of the compressor unit, the gas separator is provided with a nitrogen discharge port, a gas inlet of the oxygen generation device is communicated with a gas outlet of the gas separator, a gas outlet of the oxygen generation device is communicated with the oxygen outlet interface, and the battery module, the compressor unit and the gas separator are electrically connected with the control circuit board respectively. The oxygen generator is convenient to carry and can continuously generate oxygen for a long time, so that the problem that a conventional oxygen bottle or oxygen bag is insufficient in oxygen storage is effectively solved. The oxygen generator is applied tothe field of oxygen production equipment.

The invention relates to an inorganic-series ecological water-permeable protective slope, wherein raw materials of the water-permeable protective slope consist of aggregate, a cementing material and water, wherein the dimension of the aggregate ranges from 4.75 mm to 13.2 mm; the cementing material comprises cement and an inorganic material binder, and mass of the cementing material is 0.20-0.30 time that of the aggregate; mass of the water is 0.25-0.35 time that of the cementing material; the cementing material comprises cement and an inorganic binder; mass of the cement is 0.20-0.25 time that of the aggregate; and mass of the inorganic material binder is 0.25-0.30 time that of cement. The invention further relates to an application of the inorganic-series ecological water-permeable protective slope. A slope surface which adopts the inorganic-series ecological water-permeable protective slop has the characteristics of stability, water permeability, gas permeability, water-retaining property, high strength, high durability, no environmental pollution and the like, and solves the problem that the water stability principle conflicts with the ecological principle.

The invention discloses an air supplying pipeline for inhaling. The pipeline wall of the air supplying pipeline is provided with a linear opening; the positions, on the two sides of the opening, of the pipeline wall are separated by a certain distance or are separated and can be expanded or the opening is closed and can be expanded; the pipeline wall is connected with sealing strips which includethe sealing strip I and the sealing strip II; the position, on one side of the opening, of the pipeline wall is connected with the sealing strip I, and the sealing strip I is in magnetic attraction with the position, on the other side of the opening, of the pipeline wall or the sealing strip I is in magnetic attraction with the sealing strip II connected with the position, on the other side of theopening, of the pipeline wall; the sealing strip I or the sealing strip II can be moved to open the opening, and meanwhile, a user can be allowed to go close to inhale directly with a mouth or inhaleafter a ventilation pipe is inserted into the opening; and the ventilation pipe is wrapped with the sealing strip I or the sealing strip II through magnetic attraction.

Provided is a building. A gas supply pipeline is arranged in the building structure, gas outlets of the gas supply pipeline are formed at proper positions of floors, and a gas inlet of the gas supply pipeline extends to the outer side of the building to be communicated with gas outside the building.

The invention discloses a solid-state fermentation equipment. The solid-state fermentation equipment includes a box body, a ventilation device, a refrigeration device, a heating device, a humidification device and a control device, the ventilation device is fixed on the inner surface of the side wall of the box body, and the refrigeration device is arranged outside the body and connected with the ventilation device, the heating device and the humidifying device are respectively arranged at the bottom of the box body, the control device is arranged at the side wall of the box body and connected with the refrigeration device , the heating device and the humidifying device are connected. The invention provides a solid-state fermentation device, which has the advantages of being able to effectively control the temperature and humidity in the koji making device, and being convenient and thorough in disinfection.