395results about How to "Increase oxygen content" patented technology

The invention provides a water quality purification device for a black carp ecological culture pond, and belongs to the technical field of black carp culture, the water quality purification device comprises a culture pond, a supporting plate is arranged above the culture pond, first toothed plates are arranged on the two sides of the culture pond, a second toothed plate is fixedly connected in the culture pond, and a motor and a gear disc are arranged at the two ends of the supporting plate; a circulating assembly and a bearing assembly are arranged above the supporting plate, and the cleaning assembly is used for cleaning impurities at the bottom of the culture pond; the sterilizing assembly is used for sterilizing by utilizing the rising height of the liquid level; the filtering and oxygen increasing assembly can filter impurities in the culture pond and increase the oxygen content in the culture pond; the black carp culture pond has the advantages that substances such as fish manure and impurities in a water body in the culture pond are filtered and purified, meanwhile, the oxygen content in the culture pond is increased, and the survival rate of black carps can be increased; and the sterilization treatment on the culture pond can be automatically completed, the water quality safety is ensured, and the healthy growth of fishes is promoted.

The invention relates to the technical field of moss cleaning in sewage treatment, and discloses a method for cleaning moss in a sedimentation tank, which comprises the following steps: S1, pretreating moss, and converting the moss into a state convenient to remove by physical and chemical methods; s2, spraying treatment: spraying the moss with reclaimed water containing sodium hypochloride in a temperature range of 20-30 DEG C; s3, performing ultraviolet irradiation, namely performing ultraviolet irradiation on the obtained first moss; s4, inhibiting the growth of moss, namely performing post-treatment on the second moss to inhibit the growth of the second moss; s5, waste is cleaned, moss residues, cleaning agents and other waste generated in the cleaning process are cleaned in time, influences of the residues on water quality are avoided, and moss is prevented from growing again. Through a physical and chemical combined mode, loose moss in the sedimentation tank is effectively removed firstly, then a solution containing sodium hypochloride is used for spraying the moss, it is ensured that all moss patches are in uniform contact, and the ideal chemical cleaning effect is achieved.

The invention discloses a respiratory training auxiliary device for critical medicine patients, and relates to the technical field of medical assistance, the respiratory training auxiliary device comprises a device shell and a supporting plate, an air pump is fixedly mounted on the upper surface of the device shell, an operation table is fixedly mounted on the inner side surface of the device shell, and an auxiliary mechanism is arranged between the air pump and the operation table; a device shell is fixedly installed on the upper surface of the supporting plate, a groove is formed in the left side of the device shell, a fixing support is fixedly installed on the inner side face of the device shell, and a breathing mechanism is arranged between the device shell and the fixing support. According to the breathing training auxiliary device for the critical medicine patient, oxygen is transmitted into two sets of closed boxes through a connecting pipe, a first spring and a second spring repeatedly press an air bag to do telescopic motion, breathing of the patient is conveniently adjusted, the air bag is limited through a limiting disc, the air bag is prevented from jumping too fast, and the device shell is fixedly supported through a supporting plate; the pulley block pushes the device shell to move, so that the strength of nursing personnel is saved.

The invention relates to a water ecological restoration system and a restoration method, and belongs to the technical field of water treatment. According to the water ecology restoration system, a retaining wall is arranged on the downstream of the junction of a branch and a river channel, and the river channel is divided into a restoration flow channel and a main flow channel through the retaining wall; a water inlet adjusting mechanism, a desilting cavity, a filter dam, a biochemical treatment cavity, a first overflow dam, an oxygenation cavity, a second overflow dam, a biological protection cavity and a water outlet adjusting mechanism are sequentially arranged on the remediation flow channel from upstream to downstream, a buffer pond is arranged on the river bank side of the biological protection cavity, a planting floating bed is arranged in the biological protection cavity, hygrophytes are planted on the planting floating bed, and a water outlet adjusting mechanism is arranged on the water outlet adjusting mechanism. Submerged plants are arranged at the bottom of the buffer pond. According to the device, aquatic organisms such as fishes can be sheltered, water can be purified, the water ecological restoration effect is good, facilities can be prevented from being destroyed by flood, and the aquatic organisms are protected during flood discharge.

The invention discloses an in-situ treatment system for enhanced purification of overflow pollution of a river inlet discharge port, and belongs to the technical field of water environment treatment. The in-situ treatment system comprises a magnetic flocculation precipitation unit and an ecological slope protection purification unit. Overflow sewage of a river channel discharge port is firstly intercepted to the magnetic flocculation sedimentation unit by the sewage lifting pump, and in the process, the overflow sewage is firstly preliminarily mixed with a composite flocculant polyferric silicate sulfate in the sewage inlet pipe, and then enters the magnetic seed mixing reaction tank to be further fully and uniformly stirred and mixed with magnetic seeds. According to the invention, an integrated overflow sewage pretreatment device and an ecological slope protection deep purification filter tank are established near a river inlet discharge port side slope by utilizing a slope top and a large-area river side slope. And under the conditions of low investment and low operation cost, the problem that the river inlet discharge port overflow pollution treatment generally lacks a site is solved according to local conditions.

The invention belongs to the technical field of additive manufacturing, and relates to a low-density high-entropy alloy high-energy beam additive forming method. The method comprises the following steps: smelting an alloy; alloy crushing; ball-milling the powder; spheroidizing the powder; preparing a sample; heat treatment; and sample structure performance detection. The low-density high-entropy alloy sample prepared through high-temperature vacuum suspension smelting and plasma spheroidizing is high in room-temperature compression strength which exceeds 2300 MPa, the ductility exceeds 20%, the compression strength at the temperature of 1000 DEG C exceeds 780 MPa, meanwhile, the low-density high-entropy alloy powder manufacturing problem is solved, and the low-density high-entropy alloy powder manufacturing method is suitable for industrial production. The method has the advantages of good sphericity, good fluidity, uniform components, no hollow powder or satellite powder, low oxygen content and the like, and provides a powerful basis for promoting the application of high-temperature alloy structure new materials in the aerospace field.

The invention relates to the technical field of freshwater fish culture, and discloses a culture box for freshwater fish culture, which comprises a culture box and a feeding tank, the top of the feeding tank is fixedly connected with a feeding hopper, and a feeding mechanism is arranged in the feeding tank; the feeding mechanism comprises a motor, a vertical shaft, a disc, movable teeth and fixed teeth; the motor is fixedly connected to the outer wall of the top of the feeding tank, the output end of the bottom of the motor penetrates into the feeding tank, animal livers in the smashing chamber are smashed into small blocks through friction and collision of movable teeth and fixed teeth, swallowing of the mandarin fish fries is facilitated, growth and development of the mandarin fish fries are facilitated, a bent pipe is driven by a disc to rotate, and the feeding efficiency is improved. The feeding range is expanded through the rotating bent pipe, and the gear and the rack are arranged to move back and forth in the rotating process of the bent pipe, so that the feeding range of the bent pipe is further expanded, mandarin fish fries are prevented from being grabbed by adult fishes during concentrated feeding, mandarin fish ingestion is more uniform, and the overall mandarin fish growth efficiency is improved.

The utility model relates to the technical field of roe hatching, in particular to a roe hatching device for aquarium fish culture, which comprises a water tank, a mounting component and an alarm component, the mounting component comprises a hatching frame, a water quality detector, a temperature detector, a water oxygen detector, a heater, a connecting box, a controller, a purification component and an oxygenation component, roes are placed in the hatching frame to be hatched, the water temperature is detected through the temperature detector during hatching, when the water temperature is lower than the hatching temperature, the controller controls the heater to be started, the heater heats water, the water in the water tank is made to be at the constant hatching temperature all the time, and the water quality is detected through the water quality detector; the water oxygen detector detects the oxygen content of water, the water in the water tank is purified and filtered through the purification component, the water in the water tank is oxygenated through the oxygenation component, the oxygen content is increased, and when detected data are abnormal, the controller controls the alarm assembly to give an alarm, so that workers go to check in time.

The invention discloses an integrated floating platform based on water ecological environment monitoring and resource protection, the integrated floating platform comprises a floating plate, the bottom of the floating plate is provided with an underwater image acquisition device used for acquiring aquatic organism species data, a water quality acquisition device used for acquiring water quality data and an electric appliance device, and the top of the floating plate is provided with a planting groove; aquatic plants are planted in the planting grooves, and water seepage holes are formed in the bottoms of the planting grooves. Ecological monitoring is conducted in water areas such as lakes and wetlands, water quality and aquatic organism species data are collected in real time and transmitted to an external monitoring terminal, it is ensured that the ecological environment of the water areas is effectively protected, water is pumped into the shell through the pump body, and when the water is detected through the water quality detection device, the water is discharged through the hollow pipe and the liquid outlet nozzle; the oxygen content of the water is increased, meanwhile, the water is purified through the aquatic plants and then drained into the water area again through the water seepage holes, purification and restoration of the water body in the water area are completed, and better resource protection is achieved.

The invention belongs to the field of planting nutrient soil, and particularly relates to a functional vegetable seedling substrate based on vegetable straw modification. The substrate is prepared from the following components in parts by weight: 6 to 7 parts of peat, 3 to 4 parts of tomato straw decomposed base material, 1.5 to 2 parts of perlite, 0.1 to 0.3 part of nutrient element loaded biochar, 0.1 to 0.2 part of mineral source potassium humate and 0.01 to 0.03 part of diatomite. According to the invention, a high-quality tomato straw decomposed base material is produced by adopting a rapid decomposition process, a tomato straw modified biochar base material is produced by adopting an anaerobic pyrolysis process, and through efficient compatibility of nutrient elements, mineral elements and the like, a new process and a new product of the functional vegetable seedling culture substrate based on tomato straw modification are produced.

The invention relates to the technical field of water electrolysis devices, bipolar plates and coating materials, in particular to a metallic compound coating, a preparation method thereof and a modified bipolar plate. The metal compound coating is used for covering the surface of the bipolar plate of the water electrolysis device, and the preparation method of the metal compound coating comprises the following steps: by taking the bipolar plate of the water electrolysis device as a substrate, depositing a titanium nitride coating on the surface of the substrate by adopting a pulse laser deposition process; and then oxygen permeation is conducted on the titanium nitride coating through a plasma surface oxygen permeation technology, and the titanium oxynitride coating with the oxygen content changing in a gradient mode is formed. According to the invention, a layer of titanium oxynitride coating with gradient change of oxygen content is generated on the surface of the titanium bipolar plate by mainly adopting a pulse laser deposition technology and a plasma oxygen permeation technology, and the titanium oxynitride coating has corrosion resistance and conductivity; the problems that according to an existing composite coating preparation method, due to interface defects and stress concentration between different coatings, the protective performance of the coatings is reduced, and the long-term stability of the coatings is affected are solved.

The invention discloses a head-mounted multispectral device capable of intelligently adjusting and improving sleep, and belongs to the technical field of sleep-aiding physiotherapy, the head-mounted multispectral device comprises two elastic sheets arranged on one side of a shell, a micro spectrometer arranged on one side of the shell, and a transmission unit arranged in the shell and matched with the two elastic sheets, the transmission unit is used for synchronously stretching and moving the two elastic sheets; the elastic support is arranged on one side of the shell, shading cloth is fixed in the elastic support, the shading cloth is used for shading the eyes of a user, an overturning unit matched with the elastic support is arranged on one side of the shell, and the overturning unit is used for adjusting the angle position of the shading cloth; the limiting piece is arranged on one side of the shell, the limiting piece is matched with the transmission unit, and the limiting piece is used for limiting the two elastic pieces; spectral infrared light is used for irradiating eyes, so that sleep quality can be improved, blood circulation can be promoted, immunity can be enhanced, and pain and inflammation can be relieved.

According to the livestock and poultry manure stacking fermentation device, a stacking box body is stacked, a heat preservation box body is arranged outside the stacking box body, the material stacking amount is increased, meanwhile, the occupied area is small, stacking of different layers can be conducted according to the types of different fermentation materials, for example, pig manure is low in organic matter content, many in crude fiber, short in fermentation period and small in layer number; the chicken manure is high in organic matter content, long in fermentation period and large in layer number; sludge is complex in organic matter component, high in organic matter content, long in fermentation period and large in layer number. Materials are subjected to multi-layer fermentation stirring in the heat preservation box body, heat preservation treatment is carried out through the heat preservation box body, the fermentation effect is improved, meanwhile, air inlet holes are formed in the lower portion, exhaust holes are formed in the upper portion, and under the influence of heat generated by fermentation, air at the lower portion rises and is exhausted through the exhaust holes, so that external air enters through the air inlet holes at the lower portion; air flow is formed, air is supplemented into the heat preservation box body, and enough oxygen is provided for fermentation.

The utility model provides a movable automatic aerator which comprises a plurality of pontoons, a control box is fixedly connected to the pontoons in the middle, rotating shafts are arranged on the two sides of the lower end of the control box in an extending mode, a plurality of impellers are connected to the rotating shafts in a sleeving mode, and a flow guide plate is fixedly connected to the middle of the lower end of each pontoon in the length direction of the pontoon; the heads of the floating pontoons on the two sides are fixedly connected with steering engines, the output ends, extending downwards, of the steering engines are fixedly connected with rudder plates, a fixed baffle is arranged on the lower portion of the front end of the floating pontoon in the middle, and the fixed baffle is perpendicular to the flow guide plate. Compared with a traditional fixing mode, the device can move on the water surface, and it is ensured that the device can run at any place of a water area.

The invention discloses a Czochralski monocrystalline silicon thermal field thermal insulation cylinder, which belongs to the technical field of monocrystalline silicon production, and comprises an upper cylinder body and a lower cylinder body, the inner diameter of the upper barrel is larger than that of the lower barrel, and steps at the inner joint of the upper barrel and the lower barrel are streamlined. The upper end and the lower end of the inner wall of the heat preservation cylinder form rounding oblique angles; a plurality of diversion trenches are formed in the inner wall of the heat preservation cylinder from the upper end to the lower end. The invention can effectively solve the problems of low thermal utilization efficiency of the existing monocrystalline silicon thermal field, pollution of returned gas to silicon liquid, difficult crystallization caused by high oxygen content in crystals and the like.

The invention provides a preparation method and device of hydrogen-oxygen interface nano-micron bubble water for agricultural production, and the method comprises the following steps: S1, filtering raw water for multiple times, and purifying the raw water into purified water; s2, electrolyzing the purified water to decompose the purified water into hydrogen and oxygen; s3, the hydrogen and the oxygen respectively pass through an interface nano-micron bubble generation device to form interface nano-micron bubble water; s4, the interface nano-micron bubble water is conveyed to a ceramic activation device, and the activity of the interface nano-micron bubble water is improved; s5, mixing the activated interface nano-micron bubble water with an external water source to form irrigation water. Raw water is purified into purified water through multiple times of filtration, impurities and harmful substances in water are effectively removed, and a purer irrigation water source is provided for plants. Interface nano-micron bubble water formed by hydrogen and oxygen generated by electrolysis is rich in active oxygen and molecular hydrogen, so that the oxygen content of soil and the growth of soil microorganisms are improved, healthy growth of plant roots is promoted, root diseases caused by fungal viruses are reduced, oxidation and inflammation are resisted, and thus healthy growth of plants is promoted.

The utility model provides an infrared radiation small burner, and relates to the technical field of burners. The combustor comprises an air conveying device, a natural gas conveying device, a combustor, an ignition device and a controller, the combustor comprises a combustion cylinder and a combustion head, the combustion head is of a pipe body structure, one end of the combustion head extends into the combustion cylinder, the other end of the combustion head is connected with the natural gas conveying device, and at least one first air inlet hole is formed in the circumferential direction of the combustion head; at least one first air inlet hole is formed in the combustion cylinder, air can flow into the combustion head through the first air inlet hole, at least one second air inlet hole is formed in the combustion cylinder, the air can flow into the combustion cylinder through the second air inlet hole, the natural gas conveying device and the air conveying device are electrically connected with the controller, and the combustion head is connected with the controller through the ignition device. The combustor is designed into the structure, so that the combustion area in the combustor can be increased, and more natural gas can be combusted; and air enters the combustion cylinder through the second air inlet hole, the oxygen content of the mixed gas can be increased, combustion is more sufficient, and the combustion efficiency is improved.

The invention discloses an automatic pressurizing and pressure measuring intelligent bellyband device in the field of intelligent wearable equipment, which comprises a bellyband body, the bellyband body is provided with a band length regulator and a first battery, the inner side of the bellyband body is fixedly connected with a skin-friendly layer, and a pressurizing airbag assembly, a pressure sensor, a motion sensing assembly and a controller are arranged between the bellyband body and the skin-friendly layer; the controller is used for predicting the risk of postural hypotension in combination with the motion state data of the wearer, and controlling the pressurizing air bag assembly to pressurize the abdominal cavity of the wearer based on the data of the pressure sensor when the postural hypotension is predicted; the pressurizing air bag assembly is used for extruding the abdominal cavity of the wearer to enable blood to enter the thoracic cavity when the postural hypotension is predicted to occur. The device is simple and effective, the physical condition of a wearer is detected through the motion sensing assembly and the blood pressure detection assembly, the controller predicts the postural hypotension and controls the pressurization air bag assembly to inflate to pressurize the abdominal cavity, and the probability of occurrence of the postural hypotension and the symptom severity are reduced.

The utility model relates to the technical field of purification devices, and discloses a water quality purification device for aquaculture, which comprises a conical barrel and a connecting rod, the outer wall of the conical barrel is fixedly connected with a protective cover, the inside of the protective cover is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod is fixedly connected with a rack I; a gear is rotatably connected to the interior of the protective cover, the gear is meshed with the first rack, a second rack is slidably connected to the interior of the protective cover, the second rack is meshed with the gear, a U-shaped rod is fixedly connected to the upper surface of the second rack, and a connecting piece is fixedly connected to one end of the U-shaped rod. The hydraulic rod drives the rack and the gear to move, the height change of the filtering mechanism is realized, the effect of convenient replacement is achieved, the working efficiency is improved, the device is provided with multiple layers of filter screens, the water quality filtering effect is enhanced, and the filtering efficiency is improved.

The invention discloses an oxygen-enriched combustion system of a cold rolling continuous annealing furnace, which comprises a radiant tube combustion heating system arranged in a hearth of the continuous annealing furnace, an online combustion monitoring system, a data acquisition and processing system, and a combustion-supporting air oxygen-enriched allocation system and a coal gas supply system which are connected with the radiant tube combustion heating system, the data collecting and processing system is arranged to control the oxygen content of combustion-supporting air in the radiant tube combustion heating system according to data collected by the online combustion monitoring system. According to the oxygen-enriched combustion system of the cold rolling continuous annealing furnace, the oxygen content of combustion-supporting air is controlled and increased in a combustion-supporting air main pipe filling mode, the combustion optimization effect is achieved by monitoring the surface temperature of the radiant tube on line, controlling the proportion of the oxygen-enriched amount in the combustion-supporting air, monitoring the residual oxygen of the flue gas of the radiant tube on line and controlling the combustion-supporting air amount on line, and the combustion efficiency is improved. The invention further discloses a combustion monitoring method of the cold rolling continuous annealing furnace oxygen-enriched combustion system.

The invention relates to the technical field of diamond purification, in particular to micro-powder purification equipment for artificial diamond processing, which comprises a pickling tank, the top cover is assembled at the top of the pickling tank; the mounting frame is fixed on the top cover; the first opening is formed in the mounting frame; the second opening is formed in the top cover, and the second opening is right opposite to the first opening; the lifting structure is arranged in the pickling tank; the stirring structure is arranged in the pickling tank; and the driving structure is arranged on the mounting frame. Compared with the prior art, the screen drum is driven by the motor to reciprocate up and down in the pickling solution, so that the diamond micro-powder is uniformly dispersed in the pickling solution, the micro-powder is prevented from settling to the bottom, the contact area of the micro-powder and the pickling solution is increased, and the purification and impurity removal effects of the pickling solution on the diamond micro-powder are improved; the stirring piece in the equipment is driven by the motor to rotate through the gear transmission system, the pickling solution is stirred, and the fluidity of the pickling solution is enhanced.

The invention discloses a root soaking device for seedling transplanting disease and pest control, and relates to the technical field of seedling root soaking, the root soaking device comprises a base, a fixing plate, a circulating chain and a cultivation box, the fixing plate comprises an inclined drainage part, a horizontal filtering part, an inclined transition part, a horizontal soaking part and an inclined sedimentation part which are communicated end to end in sequence to form a step-shaped structure, a first permanent magnet part and a second permanent magnet part are fixedly connected to the bottom of the cultivation box, seedlings can be placed in the cultivation box, the cultivation box can circularly move on the base under the traction of the circulating chain, and the cultivation box sequentially passes through an inclined drainage part, a horizontal filtering part, an inclined transition part, a horizontal soaking part and an inclined sedimentation part in the circulating process; in the process, the liquid medicine in the cultivation box can be discharged from the inclined drainage part, and injection of the liquid medicine is completed in the process that the liquid medicine passes through the horizontal soaking part, so that circulation of the liquid medicine in the cultivation box is achieved.

The utility model provides an ecological dam suitable for riverway restoration and treatment, and belongs to the technical field of riverway restoration and treatment. The ecological dam suitable for river channel restoration and treatment comprises a dam body and an ecological restoration assembly, the ecological restoration assembly comprises a water pump, a water collecting tank, a fixing plate, a soft filter screen pad, a planting frame and an inclined groove plate, and the water pump is fixedly connected with the upper portion of the dam body; the water collecting tank, the fixing plate and the inclined groove plate are all fixedly connected to one side of the inclined face of the dam body, the soft filter screen pad is placed in the fixing plate, the planting frame is inserted into one side of the fixing plate, and one side of the planting frame abuts against one side of the soft filter screen pad. In the whole using process, firstly, extraction and filtration of river water are achieved, the river water is repaired and treated through plants, meanwhile, the aeration effect is achieved, the oxygen content in the river water is increased, and the riverway repairing and treating effect is improved.

The invention provides oxygen generation equipment and system for a plateau alpine construction environment, and belongs to the technical field of plateau oxygen generation equipment. Comprising a shelter oxygen generator, a control center is installed at one end of the shelter oxygen generator, a dust collector is installed at the other end of the shelter oxygen generator, a dust collection bin is installed at the bottom of the dust collector, a dispersion pipe is arranged below the dust collector, and one end of the dispersion pipe is in threaded connection with an oxygen guide pipeline; a sliding rail is mounted at the top of the oxygen guide pipeline, and a servo motor is mounted at the bottom of one end of the sliding rail. By arranging the dust absorption assembly and the vibration adjusting assembly, the conveying speed of oxygen and dust absorption is guaranteed, conditions are created for the construction environment, impurities and dust in a tunnel are reduced, the oxygen content in the tunnel is increased, combustion of mechanical fuel oil is maximized, harmful gas is avoided, the personal health of personnel is guaranteed, and meanwhile the safety of the tunnel is improved. And the working efficiency of personnel and machinery is improved, and the construction progress is accelerated.

The invention discloses a preparation method of low-gas high-purity chromium. The preparation method comprises the following steps: S1, preparing part of metal chromium by adopting an aluminothermic method, and crushing the metal chromium into powder with the particle size of 60-200 meshes; preparing the other part of metal chromium by adopting an electrolytic method, and crushing the metal chromium into powder with the particle size of 60-200 meshes; s2, the two parts of metal chromium powder and graphite powder are mixed and pressed into a round ingot of 30 mm * (18 + / -2) mm, the round ingot is loaded into a graphite crucible, and the graphite powder accounts for 0.5%-2% of the total mass of the round ingot; s3, the graphite crucible containing the round ingot is put into a vacuum furnace to be smelted; heating is started when the vacuum degree in the vacuum furnace is smaller than or equal to 5 Mpa, the temperature is increased to 1400-1600 DEG C and kept for 10-15 h, then cooling is conducted, when the temperature is reduced to 1200-1100 DEG C, hydrogen is charged into the vacuum furnace to 15-20 Pa, and pressure is kept for 1 h; and S4, after pressure maintaining is finished, the temperature is increased to 1400-1600 DEG C, heat preservation is carried out for 2 h, then cooling is carried out, and when the temperature is reduced to the room temperature, discharging is carried out.

According to the fan-shaped filter provided by the utility model, a bottom suction pump enables a dirty water source in a cylinder to enter a water outlet from a water suction opening and then enter an inner space of a filter box through a connecting pipe; as the filtering sponge or the filtering ball is filled in the cavity in the filtering box, a dirty water source becomes a clean water source after being filtered by the filtering sponge or the filtering ball; a clean water source flows into the rightmost cavity, the clean water source uniformly flows into the water flowing holes under the action of the partition plates, each water flowing hole corresponds to one flow dividing chamber located below, and then flows out of the flow dividing holes, and a certain height difference exists between the flow dividing holes of the fan-shaped filter and the water surface. When the filtered water source falls down from the flow dividing holes, water spots exist between the water flow and the water surface in the vat, the oxygen content of the water source in the vat can be increased through the water spots, meanwhile, the multiple flow dividing holes distributed in the fan shape fall into water at the same time, a small waterfall can be formed, and the ornamental value is increased.

The invention relates to the technical field of soil and underground water remediation, in particular to an in-situ microbial remediation method for organic underground polluted water and soil, which comprises the following steps: S1, separating indigenous microorganisms from the soil in a polluted area; s2, adding indigenous microorganism internal and external microorganism bacterium agents into a culture medium to obtain a mixed bacterium solution; s3, soaking a carrier into the mixed bacterial liquid, and performing shaking culture to obtain a carrier loaded with microorganisms; s4, the carrier loaded with the microorganisms is sown into the soil of the contaminated area, and remediation is completed after remediation is conducted for 30-40 days; and in the remediation process, underground water in the polluted area is pumped and sprayed into the soil. In the remediation process, underground water is pumped out for spraying, the soil water content is guaranteed, meanwhile, microorganisms can infiltrate along with the underground water, the underground water is remedied at the same time, the remediation time is shortened, and the remediation effect is guaranteed.

The invention discloses a culture pond bottom automatic blowdown device for aquaculture, which comprises a driving box, a chassis, a plurality of culture pond boxes, a rotating assembly and a cleaning assembly, the culture pond boxes are bottomless ponds, and the lower sides of the culture pond boxes are transparent; the chassis is arranged on the upper side of the driving box, the culture pond boxes can rotate around the center of the chassis, and the rotating assembly is connected with the driving box and can be used for driving the culture pond boxes to rotate around the center of the chassis. When the culture pond box is cleaned, only the rotating assembly needs to be controlled to enable the culture pond box to rotate by a certain angle, in this way, the bottom, originally located in the culture pond box, of the base plate can be exposed, in this way, the exposed dirty bottom can be cleaned, cleaning can be conducted without fishing out aquatic products, and meanwhile the space in the pond cannot be occupied.

The invention discloses a green plant growth prediction system based on multi-parameter environment monitoring and a detection method. The system belongs to the technical field of agricultural environment automatic monitoring and comprises an in-water oxygen content quantification module, a PH value processing module, a soil chemical fertilizer content processing module, a solar radiation value processing module, a green plant growth prediction module, a green plant growth correction module and an in-water oxygen content quantification module. According to the characteristics of green plant environment and oxygen content change in water, green plant planting is detected from a seedling stage, a germination stage, a seedling stage, a flowering and fruiting stage and a vegetative growth stage, and the growth amount of the green plants is predicted; according to the method, the oxygen content in water, the PH value, the chemical fertilizer content in soil and solar radiation required by a green plant growth environment are detected and processed, parameters of an MTFE-PatchTST model are optimized by applying an improved aurora optimization algorithm, and then historical growth data and temperature data of green plants are preliminarily predicted by applying the optimized MTFE-PatchTST model; and finally, performing correction by combining factors obtained by the cross-correlation function module, and accurately predicting the green plant growth amount.

The utility model discloses a ventilation device for grape cultivation, and belongs to the field of ventilation devices. The ventilation device for grape cultivation comprises a pre-buried pipe, a supporting column is arranged on the pre-buried pipe, a soil fixing block is arranged at the end, away from the pre-buried pipe, of the supporting column, the ventilation device further comprises an atomization device, the atomization device is arranged at the upper end of the soil fixing block, and a water injection opening is formed in the atomization device. The ventilation structure solves the problems that when an embedded pipe used for increasing the oxygen content of the soil on an existing ventilation structure is embedded in the soil and starts to work, outside air is extracted through a draught fan arranged on the embedded pipe and input into the embedded pipe, then is discharged through a hole formed in the embedded pipe, and is filled into the soil to achieve the purpose of increasing the oxygen content of the soil; however, long-time ventilation of the soil can cause evaporation of water in the soil, so that the soil becomes dry, which may cause water shortage and drying of grape vines and is not beneficial to growth of grapes.