161results about How to "Avoid overdose" patented technology

The invention discloses a crop sowing parameter control optimization method applied to multi-target precise fertilization, and relates to the technical field of agricultural crop sowing, and the method comprises the following steps: collecting a soil sample, carrying out spectrum scanning and analysis, combining with known soil nutrient data, building a soil nutrient content prediction model, and calculating a soil nutrient content prediction model; and combining spectral data to predict the nutrient content in the soil. According to the invention, through accurate evaluation of soil nutrient conditions and deep analysis of crop growth demands, fertilization and sowing parameters are optimized, so that crops can obtain required nutrients in the growth process, the optimized sowing depth, row spacing and plant spacing can effectively promote the development of crop roots, the absorption ability of the crops to moisture and nutrients is enhanced, and the quality of the crops is improved. And through real-time monitoring and adjustment of the intelligent fertilization equipment, the fertilization amount can be dynamically adjusted according to actual demands of crops, and the common problem of excessive or insufficient fertilizer in a traditional fertilization method is avoided.

The invention relates to the technical field of intelligent agriculture, in particular to a mulberry field monitoring method and system based on the Internet of Things. The method comprises the following steps: acquiring environment and soil data of a mulberry field through a sensor network to obtain original sensor data; performing time sequence data integration on the original sensor data to obtain an environment parameter data set; the method comprises the following steps: performing multispectral image acquisition on mulberries in a mulberry field through a multispectral camera, and performing image preprocessing to obtain preprocessed image data; estimating the chlorophyll content according to the preprocessed image data to obtain chlorophyll content data; and performing growth health parameter analysis according to the preprocessed image data and the chlorophyll content data to obtain growth health parameters. By combining the sensor technology, the multispectral imaging technology and the intelligent algorithm, comprehensive, accurate and real-time monitoring of the mulberry field is achieved, and an effective technical means is provided for fine management of the mulberry field.

The invention discloses a chemical tail gas purification and absorption device and method, and relates to the technical field of tail gas purification and absorbing.The chemical tail gas purification and absorption device comprises a treatment tank, a gas inlet is fixedly formed in the outer wall of the treatment tank, a gas outlet is fixedly formed in the top of the treatment tank, spraying tanks are arranged on the two sides of the treatment tank, and spraying pipes are fixedly mounted at the tops of the spraying tanks; a water pumping device is mounted between the spraying tank and the treatment tank in a communicating manner; the spraying device is arranged on the surface of the spraying pipe, the spraying device comprises a supporting frame, a driving fan, a fixing rod, a circular plate, a circular block, a spraying box, a fixing plate, an L-shaped plate, a semicircular plate and a scraping plate, purified gas is exhausted by driving the fan to rotate, and sprayed liquid is splashed out when impacting the L-shaped plate through dislocation of a spraying head and a circular hole, so that the spraying effect of the spraying device is improved. The sputtered liquid is wider, the spraying effect is improved by enabling the liquid to be sprayed more widely, and the absorption efficiency is improved.

The invention relates to the field of medical equipment, and discloses an intracavity radiofrequency ablation system. The system includes a radio frequency generator, a catheter with a heating element, a pressure sensor, and a temperature sensor, a processor, and a display. By monitoring the temperature and the pressure in real time and dynamically adjusting the radio frequency energy output power, the safety and the accuracy of the treatment process are ensured. The system can automatically adjust treatment parameters according to the real-time contraction condition of the cavity tissue, prevent overheating, reduce damage to normal tissue, provide visual tissue contraction feedback and improve the treatment effect.

The invention relates to the field of medical patches, and discloses a controlled-release long-acting fever cooling patch which comprises a temperature response type material layer located on the outermost side of the fever cooling patch and used for triggering rapid release of medicine when the body temperature rises; the medicine composite layer is located on the inner side of the temperature response type material layer and used for compounding the antipyretic medicine and the traditional Chinese medicine ingredients together through a carrier, providing stable release of the medicine and enhancing the medicine effect; the invention also discloses a preparation method of the controlled-release long-acting fever cooling patch, which comprises the following steps: preparing the temperature response type material layer, dissolving the poly (N-isopropylacrylamide) or the copolymer thereof in a proper amount of solvent, coating the surface of the patch substrate with the solution, and drying to obtain the temperature response type material layer. The multi-layer composite structure is combined with the temperature and humidity response type material, so that the sustained release and long-acting antipyretic effect of the medicine are realized, the medicine release rate is automatically adjusted, the lasting and stable antipyretic effect is ensured, the medicine waste is reduced, and the convenience and comfort are improved.

The invention discloses a novel high-ground-temperature tunnel local ventilation cooling system, and relates to the technical field of high-ground-temperature tunnel ventilation, and the novel high-ground-temperature tunnel local ventilation cooling system comprises a temperature monitoring module, a cold air conveying starting module, a cold air output adjusting module, a regional cold air distribution module, an energy efficiency optimization module and a real-time monitoring and emergency response module; and the temperature monitoring module is used for arranging a temperature sensor network in the tunnel. The tunnel temperature is monitored in real time through the temperature sensor network and the model, cold air output is dynamically adjusted, and accurate cooling is ensured. The vortex tube array directly produces cold air by introducing high-pressure air, the cold air is conveyed to a cooling area through an air pipe, and exhausted hot air is subjected to energy recovery through a phase change heat absorption material or a hot air power generation system. The intelligent algorithm predicts the temperature trend, adjusts cold air in advance, and prevents potential safety hazards. And the real-time monitoring platform tracks the temperature and the equipment state, automatically alarms and executes emergency measures to ensure that the system operates in a safe range.

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The invention discloses a liquid metal-hydrogel composite radiation protection material and a preparation method and application thereof.The preparation method comprises the steps that indium, tin and bismuth are sequentially put into a flask from low melting point to high melting point to be mixed, and glycerin is added for immersion; placing the mixture in an argon atmosphere, and stirring by using a heating type magnetic stirrer; taking out the spherical liquid metal particles from the glycerol, and finally washing and drying to obtain liquid metal alloy particles; preparing a PVA (polyvinyl alcohol)-H2O solution with the mass fraction of 15% and a PVA-DMSO (dimethyl sulfoxide) solution with the mass fraction of 15%; and a PVA-H2O solution, a PVA-DMSO solution and the liquid metal alloy particles are stirred and mixed according to the mass ratio, the mixed solution is subjected to ultrasonic treatment and then poured into a mold to be frozen into gel, and the liquid metal-hydrogel composite material is obtained. By combining the advantages of the liquid metal and the hydrogel, excellent biocompatibility, adjustable mechanical property and efficient radiation shielding capability are realized, and the hydrogel can be used as a novel lead-free radiation protection material.

The invention discloses an intelligent automatic watering robot system and an automatic water drying control method thereof, and aims to solve the problem of inconvenience in plant irrigation in existing family garden nursing. The system is composed of a watering robot and a base, wherein the watering robot comprises a machine body cabin, a water storage tank, an energy storage module and a control unit. A water drying module is arranged in the machine body cabin, various spraying modes can be switched according to different plant requirements, and uniform irrigation is ensured. In order to realize efficient path planning and obstacle avoidance, the sprinkling robot is equipped with a radar module, and sensors monitor the surrounding environment in real time and feed data back to the control unit. And obstacles are avoided while the whole garden area is covered. When the water amount in the water storage tank is lower than a preset threshold value, the control unit triggers low-water-level alarm and guides the watering robot to return to the base for water supplementing and charging.

The invention discloses an on-line intelligent spiral sampling device for machine-made sand. The on-line intelligent spiral sampling device comprises a sampling barrel main body, a fixing plate is installed at the tail end of the sampling barrel main body, a motor protection box is installed on the fixing plate, a spiral conveying mechanism is arranged on the sampling barrel main body, and a sampling screening mechanism is arranged on the sampling barrel main body; the spiral conveying mechanism comprises a drill bit, a driving motor, a rotating shaft and an intermittent conveying part; the intermittent conveying part is used for intermittently conveying machine-made sand; the sampling and screening mechanism comprises a discharging pipe, a lifting part, a screening part and a vibrating part, the discharging pipe is communicated with one side of the bottom of the sampling barrel main body, the screening part screens the machine-made sand according to the size, and the vibrating part vibrates the screening part so that the machine-made sand can conveniently penetrate through the screening part. The machine-made sand sampling device has the beneficial effects that the phenomenon of material blockage is avoided, the discharging efficiency is improved, the sampling efficiency is improved, machine-made sand can be detected in the sampling process, the working efficiency is improved, and the labor intensity of workers is reduced.

The invention belongs to the technical field of plant cultivation and seedling raising, and particularly relates to a sand plant cultivation and seedling raising device which comprises a greenhouse body and a seedling raising bed, a U-shaped water receiving tank is fixedly mounted at the top of the outer side wall of the greenhouse body, and the bottom of the U-shaped water receiving tank is communicated with a water leakage pipe; a self-cleaning rainwater rough filtration mechanism is fixedly mounted on the outer side wall of the greenhouse main body, and a water and fertilizer integrated irrigation mechanism is fixedly arranged in the greenhouse main body; through an efficient rainwater collecting and filtering system and water and fertilizer integrated control, the utilization efficiency of water resources and fertilizers is improved, the self-cleaning function is achieved, blockage of a coarse filter screen is avoided, it is ensured that the rainwater collecting efficiency is stable, regular cleaning by personnel is not needed, and the labor cost is saved; extra energy consumption is not needed, the energy consumption is reduced, automatic mixing of the fertilizer and water can be realized, and the water and fertilizer integration efficiency is improved.

The invention provides an intelligent greenhouse photosynthetic optimization method and system, and the method comprises the steps: carrying out the real-time monitoring of a multi-source sensor network in a greenhouse, and carrying out the deployment of the sensor network in a high-density state; the data are analyzed and processed by using a deep learning technology, an optimal illumination strategy for different crops is generated, and a model is trained by using a large amount of labeled data, so that the optimal illumination strategy required by a specific crop under a given condition can be predicted. According to the invention, accurate monitoring and regulation of environmental parameters in the greenhouse are realized through an accurate algorithm, so that optimal illumination conditions are provided for different crops to improve the growth speed and yield of the crops, the moisture content required by the crops is accurately calculated through an AI algorithm, and a micro-drop irrigation technology is used to directly act on a root area, so that the waste of moisture is reduced, and the crop quality is improved. And according to the growth stage of the crop and the soil test result, the AI algorithm can accurately calculate the mass of the required nutrients, and excessive or insufficient fertilization is avoided.

The invention discloses a landfill leachate pretreatment device, and relates to the technical field of landfill leachate treatment.The landfill leachate pretreatment device comprises a tank body, supporting legs are fixedly installed at the bottom of the tank body, a feeding opening is fixedly formed in the top of the tank body, a collecting plate is fixedly installed in the tank body, and a filtering device is arranged in the tank body; a stirring device is arranged in the tank body, a quantitative dosing device is arranged in the tank body, the filtering device comprises a motor, a reciprocating screw rod, a sliding block, a first scraping rod, a filtering plate, a first gear, a rotating wheel, a gear ring, a second scraping rod and a collecting box, and suspended solids and dirt attached to the surface of the filtering plate are removed through movement of the first scraping rod, so that the permeability of the filtering plate is kept; meanwhile, the damage or corrosion of the filter plate caused by dirt accumulation is reduced, the service life of the filter plate is prolonged, and the maintenance and replacement cost of the filter plate is reduced.

The invention discloses ecological restoration soil dressing conservation spray-seeding equipment which comprises a base, an auxiliary adjusting mechanism and a uniform feeding mechanism, a stirring bin is fixedly connected to the top surface of the base, a spray-seeding device is fixedly connected to the top surface of the base, a protection bin is fixedly connected to the top surface of the base, and a partition plate is rotatably connected to the interior of the stirring bin; the auxiliary adjusting mechanism is arranged on the inner surface of the stirring bin, the uniform feeding mechanism is arranged on the top surface of the base, and the auxiliary adjusting mechanism can adjust the included angle of a rotating shaft, so that a second stirring shaft generates more effective shearing force and friction force in the movement process, the material mixing speed is increased, and the mixing efficiency is improved; the uniform feeding mechanism can control the feeding time and the feeding amount of the grass seeds, so that uniform and timed feeding is achieved, timed and quantitative grass seeds are added, it can be ensured that the feeding amount of the grass seeds is accurate, the excessive or insufficient condition is avoided, and therefore the production efficiency is improved.

The invention relates to the technical field of recycling of cutting fluid in the silicon wafer cutting industry, in particular to a large circulation process method based on back-end automatic allocation, the amount of pure water used in the process allocation method is approximately equal to the amount of water lost by filter pressing, and the loss of pure water can be greatly reduced; and when the COD value is kept unchanged, the addition amount of the cutting fluid is far smaller than the filter pressing loss amount, so that the waste of the cutting fluid is reduced, and the finished product water is supplied to the slicing end more quickly.

The utility model discloses a visual quantity-control liquid dropping bottle which comprises a switch valve rod, a liquid storage cavity, a liquid outlet valve needle, an upper spring, a lower spring, a liquid storage cavity bottom support, an inner plug, a lock cover and a bottle body. The inner plug is provided with an inner plug positioning groove and a limiting hole, the lock cover is provided with an upper buckling position and an anti-rotation rib, and the inner plug positioning groove is inserted into the lock cover along the anti-rotation rib and is clamped through the upper buckling position; the upper end of the switch valve rod is sleeved with the upper spring which abuts against the liquid storage cavity, and the liquid outlet valve needle is sleeved with the lower spring. A stepped hole is formed in the switch valve rod, and the liquid outlet valve needle is sleeved with the switch valve rod through the stepped hole; a sliding pin is arranged on the lower portion of the switch valve rod, a cam groove is formed in the inner plug, and the sliding pin can slide in the cam groove when the liquid storage cavity rotates. The liquid dropping bottle has the advantages of being capable of discharging liquid in a visualized and accurate mode, convenient to operate and carry and high in use efficiency.

The utility model relates to a washing tower, in particular to a chemical waste gas spray washing tower. The chemical waste gas spray washing tower comprises a tower body, a sealing cover, a dosing cylinder, a dosing pipe, a main pipe, a branch pipe, a water pump and the like, a plurality of waste gas inlets are formed in the front end of the tower body and used for being externally connected with waste gas inlet pipes, a sealing cover is arranged in each waste gas inlet, a circulating water tank is arranged on the right side of the tower body, a dosing cylinder and a water pump are arranged on the top of the circulating water tank, a dosing pipe is arranged at the bottom of the dosing cylinder, a water suction pipe is connected to the water suction end of the water pump, and the dosing pipe and the water suction pipe both penetrate through the circulating water tank. The drainage end of the water pump is connected with a trunk pipe. The PH sensor, the processor and the electric control valve are matched, the PH sensor can detect the PH value of a detergent in the circulating water tank in real time, and the processor controls the electric control valve to supplement chemicals according to signals fed back by the PH sensor, so that the adding amount of the chemicals is accurately controlled, and some problems caused by excessive or insufficient chemicals are avoided.

The utility model relates to the technical field of edible oil storage, and discloses a split charging device for edible oil storage, which comprises a bottom plate, a fixed frame is mounted in the bottom plate, a liquid storage barrel is mounted at the top of the fixed frame, a split charging head is mounted on the front surface of the liquid storage barrel, and a control mechanism is mounted on the front surface of the liquid storage barrel; the rotating mechanism is located in the fixed frame and used for rotating in the direction of the split charging head; and the dismounting mechanism is located at the top of the split charging head and used for dismounting and mounting the split charging head, the dismounting mechanism comprises a sealing assembly and a clamping assembly, and the sealing assembly is located on the outer side of the split charging head and plays a sealing role. Through the design of the dismounting mechanism, the split charging head can be conveniently dismounted from the equipment to be cleaned or replaced, and the maintainability and flexibility of the equipment are improved; the sealing assembly keeps the sealing performance of the device, leakage of edible oil is effectively prevented, and the cleanliness of the operation environment is guaranteed.

The invention relates to the technical field of planting and fertilizing, and discloses a fertilizing device for poplar cultivation, the fertilizing device comprises a storage box, the bottom of the storage box is provided with four walking wheels, a transmission assembly is arranged between the walking wheels and the outer wall of the storage box, and the inner wall of one side of the top end of the storage box is rotatably connected with a rotating shaft in a penetrating manner; the transmission assembly is fixedly connected with the end of the rotating shaft, the rotating shaft is driven by the walking wheels to rotate synchronously, a rotating block is fixedly connected to the end, located in the storage box, of the rotating shaft, a connecting rod is hinged to the outer wall of the side, away from the rotating circle center of the rotating shaft, of the rotating block, and a vertical rod is hinged to the end, away from the rotating block, of the connecting rod. The bottom of the vertical rod is fixedly connected with an auxiliary sowing mechanism, the auxiliary sowing mechanism is located at the bottom of the material storage box, by means of the discharging intermittent period occurring when the discharging hole is opened and closed each time, only a small amount of solid fertilizer is discharged each time, excessive use of the solid fertilizer is avoided, and the fertilization efficiency is improved.

The invention relates to the technical field of aluminum alloy recovery, and discloses an aluminum alloy recovery system which comprises a recovery cleaning box. A cleaning cavity is formed in the recycling and cleaning box, a pumping and discharging barrel part communicating with the cleaning cavity is installed on the side face of the bottom of the recycling and cleaning box, and a discharging stirring part communicating with the pumping and discharging barrel part is further installed on the side face of the recycling and cleaning box; and a piston piece is arranged in the pumping and discharging barrel piece, and a tooth piece matched with the discharging stirring piece in a transmission mode is installed at the bottom of the pumping and discharging barrel piece. According to the aluminum alloy recycling system and method, reciprocating motion of the piston piece in the pumping and discharging barrel piece drives reciprocating operation of the discharging stirring piece, reciprocating intermittent pushing of chemicals is achieved, it can be ensured that the chemicals are fully mixed with clear water in the pumping and discharging barrel piece, and the recycling efficiency of the chemicals is improved. And the problem of over-high or over-low local concentration caused by traditional one-time addition is avoided.

The utility model provides a tobacco fertilizing device relates to agricultural machinery technical field, including the lower end outside of elevating lever is provided with the sliding sleeve, elevating lever slidingly is arranged in the inside of sliding sleeve, the lower end fixed setting of sliding sleeve has the positioning board, the lower end position of elevating lever is provided with the positioning hole on the positioning board, the outside of elevating lever and be located the top fixed setting of sliding sleeve has the fixed sleeve, one side fixed setting of fixed sleeve has the treading board, the lower end of sliding sleeve and be located the outside of elevating lever is provided with the spring, the lower end fixed setting of spring is on the sliding sleeve, the bottom fixed setting of elevating lever has the sharp angle, the front side fixed setting of sliding sleeve has the fertilizer box, the bottom rotatory of fertilizer box is provided with the ration discharge wheel, is provided with the chute on ration discharge wheel. The utility model precision ration fertilization, promote the utilization rate of fertilizer, mechanization hole and fertilization integration, operation efficiency promotes, reduces the labor intensity, adapts to the complex working condition in field, and it is not easy to cause the damage to tobacco when walking and fertilizing.

The utility model relates to the technical field of phase modifier equipment, in particular to a bearing lubricating structure for a phase modifier, which comprises a phase modifier body, a storage barrel, a timer and an electric telescopic rod, a top plate and an oil injection hole are arranged at the upper end of the phase modifier body, the storage barrel is positioned at the upper end of the top plate, and a bottom oil outlet pipe is inserted into the top plate; according to the structure, the electric telescopic rod is triggered through the timer, the injection rubber plug is pushed to feed lubricating oil in the material storage barrel into the bearing through the oil outlet pipe and the oil injection hole, automatic and accurate lubrication is achieved, and a fan-shaped rubber sealing piece in the oil outlet pipe guarantees the sealing performance; the annular seat in threaded connection is convenient to disassemble, assemble and maintain, the rubber pipe protects the oil injection hole to be clean, the problem that manual oil injection is inaccurate and not timely is effectively solved, equipment loss is reduced, and stability is improved.

A headrest rod oiling device relates to the technical field of headrest processing, is used for oiling headrest rods of a headrest, and comprises a machine base and a spraying box arranged on the machine base, the spraying box is provided with a first inserting position and a second inserting position, and the first inserting position and the second inserting position allow the two headrest rods to be vertically inserted into the first inserting position and the second inserting position. The spraying box is provided with an adjusting mechanism used for adjusting the position of the second inserting position so as to adjust the relative distance between the first inserting position and the second inserting position, the spraying box is provided with a pressing mechanism used for fixing the headrest rod located at the first inserting position, and the rear side of the spraying box is correspondingly provided with an oil spraying mechanism used for spraying oil to the headrest rod. And an air blowing mechanism for blowing away residual oil on the headrest rod subjected to oil spraying is arranged in the spraying box. According to the headrest rod oiling device, rapid and accurate oiling of a headrest rod is achieved in a mechanical and automatic mode. And compared with manual oil coating, the working efficiency is greatly improved, and the complexity and time consumption of manual operation are reduced.

The utility model relates to a plate making machine sewage discharge technical field especially relates to a plate making machine wastewater treatment system, include: first -level processing mechanism, second -level processing mechanism, third -level processing mechanism, fourth -level processing mechanism and developing waste liquid processing mechanism, the import end of first -level processing mechanism is linked together with the discharge port of plate making machine ordinary sewage, the import end of second -level processing mechanism is linked together with the export end of first -level processing mechanism, the import end of third -level processing mechanism is linked together with the export end of second -level processing mechanism, the import end of fourth -level processing mechanism is linked together with the first export end of third -level processing mechanism, the first import end of developing waste liquid processing mechanism is linked together with the discharge port of plate making machine developing waste liquid. The utility model discloses through to the developing waste liquid of plate making machine and ordinary sewage separation carries out the treatment, can avoid high concentration pollutant to inhibit the activity of microorganism in ordinary sewage, can improve the processing efficiency and processing effect of plate making machine wastewater.

The invention belongs to the technical field of mechanical engineering, and discloses a protection device suitable for a two-end telescopic rod, which comprises a two-end telescopic rod, and a protection assembly is fixedly mounted on the outer side of the movable end of the two-end telescopic rod; the protection assembly comprises an installation ring fixedly installed at the top of the movable end of the two-end telescopic rod, a telescopic hose is fixedly installed at the top end of the installation ring and connected to the outer side of the movable end of the two-end telescopic rod in a sleeving mode, and a positioning ring is fixedly installed at the bottom end of the telescopic hose. The positioning ring is fixedly installed at the top of the fixed end of the two-end telescopic rod, lubricating oil can be automatically provided for the movable end of the two-end telescopic rod, abrasion between the two-end telescopic rod is reduced, the service life of the two-end telescopic rod is prolonged, abrasion and faults are reduced, accurate injection of the lubricating agent is guaranteed, the problem of excessive or insufficient lubricating agent is avoided, and the service life of the two-end telescopic rod is prolonged. And moreover, backflow of the lubricant is prevented, the lubricant is ensured to always flow towards the required direction, and the lubricating effect is improved.

The invention provides a device and a method for continuously adding an organic vanadium removal agent. The adding device comprises a vanadium removal agent heating device, a vanadium removal agent conveying device and a metering device, the vanadium removal agent heating device comprises a vanadium removal agent heating tank, a funnel and a heating rod; the vanadium removal agent conveying device comprises a circulating pump, a plunger metering pump and a nitrogen pipe; the circulating pump is used for internally circulating the heated vanadium removal agent in the vanadium removal agent heating tank; the plunger metering pump is used for conveying the heated vanadium removal agent in the vanadium removal agent heating tank to the vanadium removal feeding tank; a pipeline between an outlet of the plunger metering pump and the vanadium removal feeding tank is connected to the nitrogen pipe through a three-way pipe, and three outlets of the three-way pipe are each provided with a ball valve used for controlling connection and disconnection; the metering device comprises a liquid level meter, a weighing sensor and a mass flow meter. The problem that in the organic matter vanadium removal process, accurate and stable control is difficult in the process that a high-viscosity vanadium removal agent is added into a distillation system is solved.

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.

The utility model discloses anesthesia dispensing equipment, which relates to the technical field of dispensing instruments and comprises a needle cylinder, a connecting ring is connected to the top end of the needle cylinder, piston rods are inserted into the connecting ring and the needle cylinder, a linkage rod is connected to the top end of each piston rod, and a limiting block is connected to the bottom end of each linkage rod. A groove hole is formed in the position, matched with the linkage rod, of the interior of the connecting ring. By arranging the linkage rod and the limiting block, in the using process, the piston rod can be limited through mutual cooperation of the linkage rod and the limiting block so as to effectively prevent the piston rod from being disengaged from the interior of the needle cylinder due to overexertion of a doctor in the extraction process, and by arranging the limiting ring and the arc-shaped block, in the using process, the piston rod is prevented from being disengaged from the interior of the needle cylinder. When the liquid medicine is extracted, a doctor can adjust the limiting ring to a proper scale position, so that quantitative extraction of the liquid medicine is achieved, excessive or insufficient extraction of the liquid medicine can be effectively prevented, and the doctor does not need to stare at the scales on the needle cylinder all the time in the extraction process.