65results about How to "Improve oxygen dissolving capacity" patented technology

The invention relates to an industrial preparation method of theaflavin, which comprises the following steps: (1) preparing an ethyl acetate solution containing rich tea polyphenol; (2) respectively adding pulverized fresh tea leaves and the ethyl acetate solution into a oxidation-fermentation tank, orderly adding ethyl acetate and a buffering solution, introducing air at normal temperature, and stirring, oxidizing and fermenting to obtain the theaflavin ester-phase solution; (3) filtering the theaflavin ester-phase solution, concentrating and washing to remove impurities; (4) concentrating the water-phase solution, and spray-drying to obtain low-specification dry theaflavin powder; (5) concentrating the ester-phase solution to recycle ethyl acetate, and adding water so that the theaflavin is dissolved in the water; (6) centrifugally filtering the theaflavin water solution to obtain a pure theaflavin solution; (7) and concentrating the theaflavin solution, and spray-drying to obtain the dry theaflavin powder. The method of the invention simultaneously enhances the yield and the quality of the theaflavin, saves the energy and the man hours and reduces the emission of waste water.

The invention relates to a culturing medium and fermentation method for producing erythrocin through fermentation of streptomyces erythreus. A primary seed medium, a secondary seed medium and a fermentation medium for producing erythrocin through fermentation of streptomyces erythreus all contains sucrose and a corn steep liquor. According to the invention, the corn steep liquor, urea, sucrose, and other intermediate-acting carbon sources and nitrogen sources are adopted to substitute original slow-acting carbon sources and nitrogen sources; moreover, the corn steep liquor, urea, and sucrose are soluble in water, so that the viscosity of the fermentation liquor is lowered, the dissolved oxygen is increased, the utilization speed is increased, especially during the later period of fermentation, the solid residue at the end of the fermentation is reduced, the bacteria dregs and the BOD content and the COD contend in the waste water are all greatly reduced, energy-reserving and consumption-lowering are both realized, and the good effects of treatment from the source and clean production are achieved.

The invention provides a sewage treatment aeration device with a plurality of executing mechanisms. The sewage treatment aeration device comprises a barrel body, at least one water diversion pipe, an aeration mechanism and a stirring mechanism, wherein a sewage channel is formed between an outer shell body and an inner shell body of the barrel body; a second end of the water diversion pipe penetrates through the outer shell body and stretches into the sewage channel; a first rotary shaft is internally provided with an aeration cavity; a plurality of aeration pipes are distributed at the periphery of the first rotary shaft; water diversion cavities are arranged in a plurality of second rotary shafts; the quantity of the second rotary shafts is the same as that of driven gears; first ends of the plurality of second rotary shafts penetrate through the plurality of driven gears respectively and stretch into the inner shell body; a hollow shaft is fixedly connected with the driven gears; second ends of the plurality of second rotary shafts are provided with first jet flow pipes and second jet flow pipes respectively; included angles alpha are formed between the first jet flow pipes and the second jet flow pipes, and the first jet flow pipes and the second jet flow pipes are communicated with the water diversion cavities. According to the sewage treatment aeration device provided by the invention, air is uniformly dispersed in sewage by adopting two times of mixing; gas and liquid are sufficiently mixed, so that the oxygen dissolving capability of the injected air is high and the aeration efficiency is high.

The invention relates to multistage equipment for increasing dissolved oxygen in water. The equipment comprises an electric water wheel, an agglomerated water refining device, a wind oxygen increasing device and a steering device, wherein the agglomerated water refining device receives agglomerated water generated when the electric water wheel beats the water surface and refines the agglomerated water through a rotating mechanism to increase the contact area of water drops and air and bring more oxygen to the water; the agglomerated water refining device and the wind oxygen increasing device are combined with a water drawing mechanism respectively; the water drawing mechanisms directly draw the water to the sky and slowly drip the water to increase the content of the oxygen in the water and save electricity; the steering device is used for adjusting the direction of a floating platform of the electric water wheel to make the direction of the floating platform of the electric water wheel consistent with the wind direction; therefore, the aim of effectively increasing the dissolved oxygen in the water and saving the electricity is fulfilled.

The invention provides an aquatic-product compound amino acid bacterial fertilizer containing triacontanol and a preparation method thereof, and in particular provides an aquatic-product compound amino acid bacterial fertilizer containing triacontanol which can quickly cultivate algae at a low temperature, and can quickly form excellent water color within 2-3 days after sudden death of algae. Materials for preparing the compound amino acid bacterial fertilizer comprise triacontanol raw powder, alcohol, compound amino acid primary liquid, peregal, lauryl sodium sulfate, sodium silicate, zinc sulphate heptahydrate, ferrous sulfate, sodium molybdate, cobalt chloride, boric acid, manganese chloride and spore bacteria liquor. Free amino acid and each trace element in the aquatic-product compound amino acid bacterial fertilizer can be directly utilized by algae after being applied to a pond, so that conversion is quick and the algae photosynthesis is promoted; the low-concentration triacontanol can promote quick growth of beneficial algae such as diatom, green algae, and the like, at a low temperature, strengthen activity of the algae, so that fertilizer can quickly cultivate algae at a low temperature, and excellent water color can be quickly formed within 2-3 days after sudden death of algae.

The invention relates to a system and a method for ecologically restoring a riverway / lake and reservoir water body. The system comprises micro-nano aeration contact oxidation equipment, a composite ecological floating island and a riverway / lake and reservoir shore zone, through the micro-nano aeration contact oxidation technology, the biological membrane soft carrier has the characteristics of large specific surface area, easy biological attachment and the like, and effectively intercepts indigenous microorganisms and efficient degradation microorganisms slowly released by the composite ecological floating island biological filler matrix. Degradation of organic pollutants and removal of nitrogen and phosphorus are promoted through combined action of micro-nano aeration of a river channel and microorganisms in a biological filler matrix; emergent aquatic plants on the composite ecological floating island and submerged plants, floating-leaved plants and benthic animals in a river channelare combined to obviously improve the water body environment, improve the water body transparency and improve the water body self-purification capacity, and the water body reaches or is superior to surface V-type water.

The invention relates to a preparation device used for oxygen enrichment and magnetization of domestic water and the method, wherein, an air inlet tube and a water inlet valve communicated with a casing are arranged on the upper part of the left side wall of the casing; an air sterilization purifier is arranged in the air inlet tube; an air exhaust tube communicated with the casing is arranged on the upper part of the right side wall of the casing; a water drain valve is arranged on the lower part of the right side wall of the casing; an air exhaust fan is arranged in the air exhaust tube; a speed regulating motor is arranged on the front side wall of the casing; an oxygen collecting magnetizing wheel connected with the speed regulating motor is arranged on the front and the back side wall of the casing, wherein, the upper part of the oxygen collecting magnetizing wheel is positioned in the purified air and the lower part is positioned in the water in the casing. The method for oxygen enrichment and magnetization of domestic water comprises the steps of separation and collection of oxygen from air and oxygen enrichment and magnetization of water. The preparation device has the advantages of rational design, simple structure, low cost of product, high efficiency of oxygen enrichment and convenient use and maintenance. The preparation device is suitable for preparing oxygen enriched and magnetized domestic water.

The invention discloses a method for continuously massively producing recombinant adenoviruses. The method comprises the following steps: 1, cell culture; 2, cell culture bag culture; 3, large-scale amplification of the adenoviruses; and 4, purification, wherein cell culture bags in step 2 and step 3 are placed on a shaking table, and culture in a thermotank is carried out; and the culture conditions of the cell culture bags are as follows: the temperature is 37 DEG C, the pH value is 7.2, the shaking speed is 10-20 rpm, and the angle of the shaking table is 7-9 DEG. The cell growth environment is improved, damages of ventilation to cells are reduced, and the dissolved oxygen effect is increased, so the problems of difficult digestion, separation and transfer of cells in traditional technologies are solved, thereby the enlargement culture problem and the continuous production problem of adherent cells are solved, and the problem of difficult freeze-thaw cracking of the cells is solved;and the adherent cells are cultured in the cell culture bags filled with a sheet carrier and the shaking bed, so the damages of a mechanical shearing force to the cells are reduced, and the growth density of the cells is improved, thereby the total cell yield of the cells is improved, and the yield of the adenoviruses is increased.

The invention discloses a sinking fall water-flowing comprehensive oxygenation and purification device which comprises a water leading pipe inserted into the bottom of a fishpond and a sinking device connected with the water leading pipe. A water outlet of the water leading pipe is lower than a water inlet of the water leading pipe, a filtering device is arranged on the upper portion of the sinking device, a water storage chamber is formed in the lower portion of the filtering device and communicated with a water outlet pipe, and a water pump is installed on the water outlet pipe. The sinking fall water-flowing comprehensive oxygenation and purification device further comprises a canal used for conveying water in the water storage chamber back to the fishpond. The canal is connected with the water outlet pipe. According to the sinking fall water-flowing comprehensive oxygenation and purification device, the siphon principle is used, so that self water flowing of the fishpond is achieved, and electrical energy is saved. Due to the filtering device arranged on the sinking device, the water-air contact area can be enlarged, the oxygen dissolving effect can be improved, and impurities such as ammonia nitrogen and nitrite in water can be filtered and adsorbed. The water filtered and purified by the sinking device flows back to the fishpond through the canal and a backflow pipe so that water flowing oxygenation can be achieved in the canal conveying process.

The invention discloses a magnetized brackish water jet aerating apparatus which comprises a pipeline, wherein a magnetizing device is arranged in the pipeline; and one end of the pipeline is sequentially connected with a jet aerating pipeline and a fertilizer applicator. The magnetizing device comprises a first magnet assembly, a second magnet assembly, a third magnet assembly and a fourth magnetassembly arranged in sequence according to an axial direction of the pipeline; a magnetic induction line direction of the first magnet assembly is perpendicular to a radial direction of the pipeline;an angle of 90 degrees is formed between a magnetic induction line direction of the second magnet assembly and the magnetic induction line direction of the first magnet assembly; an angle of 180 degrees is formed between a magnetic induction line direction of the third magnet assembly and the magnetic induction line direction of the first magnet assembly; and an angle of 270 degrees is formed between a magnetic induction line direction of the fourth magnet assembly and the magnetic induction line direction of the first magnet assembly. According to the arrangement of the four magnet assemblies, water flow in the pipeline 1 is subjected to 360-degree omnidirectional magnetization, so that brackish water is uniform in magnetization. Therefore, physicochemical properties of the brackish water are obviously improved, the activities of salt ions are reduced, the water molecule of the brackish water is enhanced, and the dissolved oxygen ability of the brackish water is improved.

The invention discloses a novel aquaculture pond oxygenation equipment, which comprises a frame, a floating ball, a propeller frame, a propeller and an oxygenation component. A propeller is arranged on the bottom wall of the frame by a propeller frame, an oxygen-enhancing assembly is arranged on the lower bottom surface of the frame, and the oxygen-enhancing assembly is rotatably arranged, and an oxygen pipe is connected to the oxygen-enhancing assembly. In the present invention, the oxygen-increasing component is arranged in a rotatable one, which can not only improve the uniform dispersion of oxygen in the water, but also set up a water stirring frame to realize the stirring of the water, increase the contact area between the water and the oxygen, and improve the dissolved oxygen in the water. In addition, the present invention is also provided with an outgoing airbag and an inward airbag, so that the gas passes through the inner airbag after passing through the hollow shaft, and is dispersed from the lower half of the inner airbag, and then evenly dispersed by the outgoing airbag, which can effectively Improve the uniformity of oxygen distribution and improve the oxygen-enhancing effect of the pool.

The invention relates to a fuel economizer of vehicle, which comprises a frame (1) and a light wave energy element (2), wherein the invention is characterized in that: said frame is formed by two halves, while one half has groove (4); the frame contains light wave energy element made from nanometer ceramic; when two halves are combined, the groove (4) will form one round hole (5) to match the oil transmission tube (6) of vehicle. The invention uses nanometer ceramic material, while generated far infrared light can micro-molecule the fuel molecule group instantly, to atomize the fuel oil into semi-gas condition before the fuel gas enters into ejector or carburetor; and said nanometer ceramic material can generate anion with high penetrate force, to improve the oxygen dissolution of oil molecule, to reduce the tail gas discharge and improve the efficiency, while the oil saving can reach 9%.

The invention provides a portable water jug capable of realizing purification, activation, benefit production and energy generation, and a filter core thereof, belonging to the field of water purification equipment. The portable water jug comprises a water purifying kettle, a raw water kettle and the filter core, wherein the filter core comprises a magnet ring and a plurality of filter layers consisting of a KDF copper-zinc alloy filter ball layer, a honeycomb ceramic layer, an EQT ceramic ball layer, an alloy magnesium ball layer and the like. Through purification and activation of the plurality of filter layers, pollutants like heavy metals, microbes and harmful chemical substances in water are removed. The filter core can also activate water by using physical means like far-infrared treatment, magnetization and micro-molecular treatment. The portable water jug and the filter core provided by the invention have the advantages of portability, thorough purification, improvement of water quality and comprehensive treatment of drinking water and can be directly used as purifying equipment for direct drinking water.

The invention relates to a fermentation method for erythromycin. According to the method, a mixture containing glucose is used as a feed supplement carbon source, and adjustment of fermentation yeast basis and supplement technological adjustment of the carbon source are further matched. According to the novel erythromycin fermentation technology, the erythromycin fermentation yeast basis formula used in the glucose supplement technology and the control condition of the carbon source are given in the fermentation process. The fermentation metabolism process is changed by adjusting the fermentation yeast basis formula and the carbon source supplement type, and therefore the purposes of saving raw material cost of the carbon source, improving the fermentation level, weakening extraction difficulty, saving energy and reducing consumption are achieved.

The invention provides a portable [Sihua] (activating, purifying, benefiting and energizing) water cup, and belongs to the technical field of drinking water equipment. The water cup comprises a cup cover, a cup body and a base, wherein the base is provided with an EQT ceramic ball and a chrome-plated permanent magnetic ring which are specifically made; and the EQT ceramic ball, under the actions of a magnetic field, sunlight and water temperature, can conduct such treatment as activating, purifying, benefiting and energizing on water in the cup on the basis of an interaction among three means, namely physical means, chemical means and biological means, so as to provide healthy and easily absorbable drinking water water and to improve life quality.

The invention provides a purification method of escargot culture water. The purification method is characterized in that a water body is treated with at least one of wild chrysanthemum flowers, common lantana, herba houttuyniae, radix isatidis and common andrographis herb, and then the treated water body is provided for culturing escargots. Inorganic and organic matter harming the escargots in the water body can be reduced and removed, microorganisms harming the escargots in the water body can be reduced and removed, the oxygen dissolution capacity of the water body can be promoted, the immune of the escargots can be enhanced and improved, and the survival rate and yield of the escargots are increased. The purification method has the advantages of being environmentally friendly and innocuous to environment.

The invention discloses an oxygen-increasing device for aquaculture ponds. The oxygen-increasing device for the aquaculture ponds comprises a machine frame, floating balls, propeller frames, propellers and an oxygen-increasing assembly, wherein a plurality of floating balls are arranged on the machine frame utilizing connection of connecting rods; the propellers are arranged on the bottom wall ofthe machine frame utilizing the propeller frame; and the oxygen-increasing assembly is arranged on the lower bottom surface of the machine frame in a rotatable mode, and the oxygen-increasing assemblyis connected with an oxygen pipe. According to the oxygen-increasing device for the aquaculture ponds, the oxygen-increasing assembly is arranged to be rotatable, so that uniform dispersion of oxygenin water can be improved, moreover, a water stirring frame is arranged, so that stirring of water is realized, contact area between water and oxygen is increased, and oxygen-dissolving effect of water is increased; in addition, an outer air-releasing bag and an inner air-releasing bag are arranged, so that after passing through a hollow rotating shaft, a gas first passes through the inner air-releasing bag, and is dispersed out from the lower half part of the inner air-releasing bag, and then is evenly dispersed out by the outer air-releasing bag, so that uniformity of oxygen dispersion can be effectively improved, and oxygen-increasing effect of ponds is improved.

An embodiment of the invention discloses a device and a process for producing water special for making tea and belongs to the technical field water treatment. The device comprises a raw water tank, aprimary nanofiltration unit, a secondary nanofiltration unit, a water storage tank, four stage-by-stage electrolysis units and a finished product water tank. The water does not contain any substancestoxic and harmful to human body and having peculiar smell, and total dissolved solid in the water is 80-170mg / L, which is lower than that in high-quality mineral water on the market (300-600mg / L); beneficial minerals good for human body health in spring water are retained, such as in each mg / L, potassium is greater than or equal to 3.0, metasilicic acid is greater than or equal to 30.0, and strontium is greater than or equal to 0.06; content of substances like bromated, nitrate, nitrite, calcium, iron and magnesium limiting and impacting tea soup taste and color and release of tannin, pectin and tea polyphenol in tea is reduced substantially, and pH value is 6.7-7.6, which is alkalescent; the number of water molecule groups is 3-6, 17-oxygen nuclear magnetic resonance spectrum value is 60-80HZ, and the problem that existing commodity water cannot better meet tea making requirements.

The invention relates to the technical field of refrigeration, in particular to a household refrigerator. An intelligent alive-keeping household refrigerator with a water change device comprises a controller, an ammonia nitrogen value sensor, a water circulating device, a heat exchanger and a reversing valve. When the controller detects that the ammonia nitrogen value exceeds a preset value, first, the water circulating device is started to filter excrement. Secondly, after the excrement of an aquatic product is accommodated in an alive-keeping chamber, if the aquatic product needs to be kept alive for long time, the ammonia nitrogen value of water has to be kept in a reasonable interval, and as a result, the water change device gradually adds fresh water and progressively changes water. When the ammonia nitrogen value is kept stable, large temperature fluctuation caused by water change is overcome, so that no adverse effect is played on the alive keeping of the aquatic product. Finally, heat is changed when the water is changed, so that electricity is saved.

The invention discloses an aeration system for biochemical treatment of wastewater. The aeration system comprises a casing, a driving motor, a stirring impeller and a plurality of ultrasonic vibrationplates, wherein the casing is provided with a top end opening and a bottom end opening which communicate with each other; the ultrasonic vibration plates are mounted in the casing and in parallel with each other in a vertical direction; the driving motor is supported at a bottom end of the casing; and the stirring impeller is driven to rotate by the driving motor. The aeration system provided bythe invention has beneficial effects that air and wastewater are preliminarily mixed by the stirring impeller rotating at high speed, and then the preliminarily mixed wastewater is further ultrasonically mixed by the ultrasonic vibration plates, so that the oxygen dissolving efficiency of the wastewater is improved; and a mode of combining ultrasound with stirring is adopted, so that rotating speeds of transmission parts and the stirring impeller of the equipment are reduced, and the equipment is not easy to be damaged and high in operation efficiency.

The invention provides an autorotation field-effect water treating machine, comprising a casing, a water inlet and a water outlet. The autorotation field-effect water treating machine is characterized in that a water power generator, a magnetic pivot and a magnetic stator, wherein the water power generator and the magnetic pivot are fixed together to form an integral body; the two free ends of the water power generator and the magnetic pivot are respectively provided with a rotating shaft, and the rotating shafts are connected with bearings located at two ends of the casing; the magnetic stator is arranged in the casing at a position corresponding to the magnetic pivot and the magnetic pivot rotates in the magnetic stator; and a water inlet end cap and a water outlet end cap seal the casing internally provided with the water power generator and the magnetic pivot. According to the invention, the water power generator and the magnetic pivot are connected to form the integral body, so when water passes through the integral body at a certain speed, the water power generator drives the magnetic pivot to rotate under the action of water power so as to form a rotating field, and the rotating field and the magnetic stator cut magnetic lines so as to increase the cutting speed of water molecules and the magnetic lines and the possibility of magnetic interference; thus, the potential and the polymeric pH value of the water molecules are changed, dissolved oxygen in water is increased, and hydrodynamic cavitation effect is enhanced, thereby allowing the characteristics of water to be improved.

The two stage fermentation technology of citric acid using whole wheat flour as raw material is characterized in that whole wheat flour is directly mixed with water in wt. ratio of 1:5-1:8 to prepare paste, raise temp. to 85 deg.c, adding high temp. amylase, raising paste temp. to 90 deg.C until completely liquified; quick filtration to obtain liquified liquid, fill liquified liquid into fermentation tank, heat and sterilized, than quickly lower temp. to 35 deg.C, inocculate first stage culture into fermentation tank and ferment until fermentation is complete. Advantages include: simple and ratioal technology, low cost on raw material, equipment and energy consumption, can raise saccharification rate of row material and fermentation conversion rate etc.

The invention provides an efficient aeration device for promoting oxygen dissolution. A plurality of jet pipes communicated with a mixing chamber are mounted on a mixing cylinder; a stirring mechanism is arranged in the mixing chamber; the stirring mechanism comprises a rotary table and a plurality of stirring shafts connected with the rotary table; central axes of the stirring shafts are parallel to the central axis of the rotary table; a plurality of stirring assemblies are axially arranged on outer peripheries of the stirring shafts at intervals; a first end of a rotating shaft penetrates through a driven gear, stretches into the mixing chamber, is fixedly connected with the rotary table and penetrates through the rotary table; the rotating shaft is rotationally connected with the mixing cylinder and is fixedly connected with the driven gear; the rotary table can be rotated with the rotation of the rotating shaft; a sewage suction opening is formed in a first end of a water diversion pipe; a second end of the water diversion pipe stretches into the mixing chamber; a submersible pump is arranged on the water diversion pipe; an aeration mechanism comprises an air pump and an air guide pipe; a first end of the air guide pipe is connected with the air pump; the second end of the air guide pipe stretches into the mixing chamber; a plurality of air nozzles are axially arranged on the outer periphery of the air guide pipe at intervals. The efficient aeration device provided by the inventio is high in air aeration efficiency and good in sewage oxygenation effect.

This invention involves a double-layer air-distribution and stream-diffusion aeration device, including a sawteeth-shaped air-distribution head that is composed of a sawteeth-containing air-distribution board at the circumference and a stream-diversion plate perpendicular to the upper surface of the air-distribution board. The characteristics of the device are: the said sawteeth-shaped air-distribution board is covered with a sawteeth-shaped stream-diffusion cap that is an inside recessing disc, and at its circumference are even-numbered sawteeth. The said sawteeth-shaped stream-diffusion cap and the said sawteeth-shaped air-distribution board are connected with a central tube at their centers. Compared with the present processes, this invention has positive and apparent effects. The adoption of a large-diameter sawteeth-shaped stream-diffusion cap for the secondary cutting leads to the homogeneous air changing and washing in the aeration zone, avoiding the dead space and improves the capacity in dissolving oxygen.

The invention belongs to the technical field of water treatment devices, and particularly relates to a small-fall type low-energy-consumption jet flow oxygenation aeration device which comprises an aeration tank, a water pump, a first pipe, an aeration pipe, an air blower, a lifting rod and a second pipe. The aeration pipe is mounted at the top of the aeration tank, and the bottom of the aeration pipe is higher than the water surface in the aeration tank. Sewage at the bottom of the aeration tank is lifted into the aeration pipe above the water surface through the water pump, so that the sewage flowing into the aeration pipe is fully combined with air sucked under the action of the air blower, and the sewage mixed with the air is accelerated to flow downwards to impact the inside of a polluted water body; and therefore, sewage mixed with air is quickly diffused in the polluted water body, further, oxygen in the polluted water body is distributed more uniformly, and the purification efficiency of the polluted water body is improved.

The invention provides a water transferring and oxygen dissolving machine. The water transferring and oxygen dissolving machine comprises a shell, floating bodies, a driving device, an electric motor, a water blade, water transferring plates and a reduction gear assembly, wherein the floating bodies are fixedly connected with the shell through first connecting rods, the driving device is arranged in a cavity, a driving end of the driving device is provided with a first driving part and a second driving part, the water blade is fixedly connected with the first driving part, the water transferring plates are connected with the second driving part, the electric motor is connected with the driving device through the reduction gear assembly, the driving device comprises a driving shaft and a driving shaft sleeve which is arranged at the outer part of the driving shaft in a sleeving way, the first driving part is arranged on the driving shaft, the second driving part is arranged on the driving shaft sleeve, and the reduction gear assembly comprises four stages of reduction gear groups. According to the water transferring and oxygen dissolving machine provided by the invention, two groups of different rotating speeds can be effectively output to the water transferring plates and the water blade through the reduction gear assembly, corresponding and matched force moments can be provided for the water transferring plates and the water blade, the water transferring and oxygen dissolving machine is beneficial for increasing the water transferring effect and the oxygen dissolving effect, and meanwhile, the generation of waste heat of the electric motor and the consumption of electric energy can be reduced.

The invention discloses a rotating water spray oxygen increasing pump. An impeller disc is arranged at the water spray nozzle of a water pump and consists of a bottom plate which is provided with densely distributed small holes and flow guide blades which are fixedly arranged on the lower surface of the bottom plate. A hole which is matched with an impeller shaft is arranged in the center of the bottom plate. The impeller disc is movably connected onto the impeller shaft. The impeller shaft is fixedly connected with the output shaft of the water pump. Since the impeller disc is added at the water spray nozzle of the water pump, the water at the water spray nozzle impacts the impeller disc to rotate, the water is stirred by impeller blades, is sprayed out from the small holes on the bottom plate of the impeller disc and is thrown around, the water is atomized to generate air bubbles and the oxygen dissolving effect is improved.

The invention relates to the technical field of cultivation, and discloses a real-time monitoring oxygen supply device for fishpond cultivation, which comprises an air compressor, one side of the air compressor is communicated with an air storage tank, one side of the air storage tank is communicated with a pipeline, the pipeline is arranged at the bottom of a fishpond, and a plurality of through holes are uniformly formed in the pipeline; an electromagnetic valve is arranged on the pipeline between the air storage tank and the pipeline, the electromagnetic valve is electrically connected with a dissolved oxygen probe and an automatic oxygenation controller which are used in cooperation with the electromagnetic valve, and the dissolved oxygen probe is placed in the fishpond. According to the scheme, the dissolved oxygen probe monitors the water body in real time, it is guaranteed that the amount of dissolved oxygen in the water body is sufficient, and the possibility that fish fries die is reduced; air is conveyed through the pipeline arranged at the water bottom, the air makes full contact with the water body in the process of moving from bottom to top, the oxygen dissolving effect is improved, it is guaranteed that the oxygen content at the water bottom is sufficient, and therefore the oxygen dissolving effect is improved.

The invention relates to the technical field of new materials, relates to the technical field of polycrystalline semiconductor materials and intelligent wearing, and particularly relates to a preparation method and application of a hot-pressed photonic polycrystalline semiconductor. The preparation method of the hot-pressed photonic polycrystalline semiconductor at least comprises the following steps: (1) mixing a solid inorganic substance and a rare earth salt compound, firing to obtain a fired mixture A, transferring the fired mixture A into a reaction kettle, reacting for a period of time, cooling, and grinding to obtain a powder material B; and (2) heating a carrier, adding a surface treating agent and the powder material B, stirring, feeding into an extruder, and carrying out extrusion granulation and drying to obtain the hot-pressed photonic polycrystalline semiconductor. By reasonably setting the firing temperature, the reaction temperature and the reaction pressure, the hot-pressed photonic polycrystalline semiconductor material prepared by the method in the technical scheme is high in yield and relatively good in mechanical strength, and can be applied to intelligent wearing articles.

The invention discloses a vertical type cordyceps militaris expanding culture device and an expanding culture bottle thereof. The device comprises a thermal-insulation tank and an expanding culture bottle support vertically arranged in the thermal-insulation tank and is characterized in that the support comprises a support body and a rotary disc which is arranged on the support body and driven bya drive motor to rotate, and a plurality of expanding culture bottle fixing sleeve seats are distributed on the rotary disc. The vertical type cordyceps militaris expanding culture device has the advantages that during cordyceps militaris expanding culture, the expanding culture bottles are horizontally placed, culture liquid rolls in the expanding culture bottles when the drive motor drives the rotary disc to rotate, an oxygen dissolving effect can be increased effectively and evidently, and cordyceps militaris expanding culture time can be effectively shortened by 30-50%; the vertical type cordyceps militaris expanding culture device is simple in structure, high in practicality, good in culture liquid oxygen dissolving effect, high in cordyceps militaris expanding culture efficiency andlow in energy consumption.