20results about How to "Guaranteed removal rate" patented technology

The invention provides a modified epoxy-cerium oxide polishing solution and a preparation method thereof, and the modified epoxy-cerium oxide polishing solution is mainly prepared from the following raw materials by mass: 0.2-0.5% of a modified cerium oxide abrasive; 0.02%-0.35% of a stabilizer; 0.25%-0.4% of ammonia water; 99.08%-99.2% of deionized water; wherein the modified cerium oxide abrasive is formed by mixing cerium oxide and epoxy carboxylic acid according to the mass ratio of (20: 1)-(200: 1). According to the epoxy-cerium oxide polishing solution, a grinding material can be more uniformly dispersed in the solution, so that the uniformity of suspension liquid is improved; and under the condition of ensuring the removal rate, the suspension property (D50) of the compound can be kept for 2 months.

The invention provides a modified epoxy-cerium oxide polishing liquid and a preparation method thereof, which is mainly prepared from the following raw materials by mass percentage: 0.2%-0.5% of modified cerium oxide abrasive; 0.02%-0.35% of stabilizer; 0.25%-0.4% of ammonia water; 99.08%-99.2% of deionized water; wherein the modified cerium oxide abrasive is cerium oxide and epoxy carboxylic acid mixed in a mass ratio of (20:1)-(200:1). The epoxy-cerium oxide polishing liquid can make the abrasive more evenly dispersed in the solution, improve the uniformity of the suspension; and maintain its suspension (D50) for up to 2 months under the condition of ensuring the removal rate.

The invention discloses a machine that belongs to the technical field of agricultural machinery and equipment, specifically a corn plot yield measuring harvester, which includes: a frame, a header device, a conveying device, a threshing device, a pneumatic conveying device, a cleaning device, a yield measuring device, a walking device, an operating control device, and a driving device. The threshing device includes a threshing drum, a screen, a draft remover, a grain receiving device, and a re-threshing conveying pipe. The pneumatic conveying device includes a conveying fan, an air duct, a collection box connected to a grain collecting auger, and a guide pipe corresponding to the cleaning device. The yield measuring device includes a feed funnel, a top collection box, a first yield measuring box, a second yield measuring box, and a seed bin that are sequentially arranged from top to bottom. The invention realizes harvesting, threshing, yield measuring, and collection in the process of receiving corn plots, realizes the automation of the harvesting process, and avoids mixed harvesting of different plots.

The invention relates to a hydrogenation catalyst. The hydrogenation catalyst comprises a carrier and an active metal component, the carrier is a carbon-based carrier, and active metal elements in the active metal component are one or more of Fe, Co and Ni; active metal elements in the hydrogenation catalyst exist in the form of metal sulfide; the metal sulfide comprises at least one of FeS, CoS and NiS. According to the hydrogenation catalyst provided by the invention, the carbon-based carrier is used as a carrier, and active metal elements in the active metal component exist in the form of metal sulfide, so that the reaction activity of hydrogenation reaction can be improved and the coking rate can be reduced under the condition that a vulcanizing agent is not added; and the metal removal rate, the mechanical impurity removal rate and the liquid yield are kept at a relatively high level. In addition, the active metal elements in the hydrogenation catalyst are one or more of Fe, Co and Ni, so that the cost of the hydrogenation catalyst can be reduced.

The invention discloses a harmful gas remover for vegetable cold storage based on zeolite, comprising a box body, an air guide channel is arranged in the box body, air inlet fans and exhaust fans are arranged at both ends of the air guide channel respectively, a plurality of columnar filter material modules, a first sterilization module, a second sterilization module and a plurality of honeycomb filter material modules are sequentially arranged along the air guide channel in the box body, the air guide channel comprises a plurality of air guide pipes and a plurality of conical air guide covers, the large end of the conical air guide cover covers the air outlet side of the module, and the small end is connected to the air guide pipe or the exhaust fan, the air guide pipe runs through the center of the module to the air outlet side of the module; electric valves are installed in the air guide pipes passing through the center of the module; the air guide pipes on the front side of the air inlet side of the module are provided with reversing devices, and the reversing devices comprise a plurality of valve sheets hinged to the air guide pipe; the invention can realize the access selection of the filter material module through the air guide reversing structure, and is suitable for the use of various types of vegetable cold storages; it is convenient for the centralized removal of harmful gases in different cold storages, and the use is flexible and convenient.

The application relates to the technical field of coal quality sorting, and discloses a precision sorting and regulation method and system suitable for complex coal quality, which comprises the following steps: determining the component parameters of each component based on a component analysis model and coal quality parameters, comparing all the component parameters in a historical regulation database, determining the fan rotating speed of a blower based on the similarity of the component parameters when a calling strategy is determined, constructing a wind speed mapping model based on a sample data set and the historical regulation database when a compensation strategy is determined, determining whether the stability of the fan rotating speed is qualified based on wind speed fluctuation frequency, determining the fan rotating speed correlation result based on the valve opening and a correlation rule algorithm, determining the rotating speed regulation coefficient of the fan rotating speed according to the fan rotating speed correlation result, and adjusting the fan rotating speed according to the rotating speed regulation coefficient; and the reliability of sorting is ensured by determining the component parameters and judging the stability of the fan rotating speed.

The invention relates to a refining method for reducing and controlling a plasticizer and 3-chloropropanol ester in camellia oil, and aims to effectively control the plasticizer, the 3-chloropropanol ester and glycidyl ester in the camellia oil and maintain nutritional ingredients and natural flavor of the camellia oil. The method comprises the steps of acidification degumming, alkali refining deacidification, water washing, decoloration, dual-temperature deodorization, low-temperature adsorption and the like, and particularly, the vacuum degree and the temperature are finely adjusted in the deodorization process, so that control over a plasticizer, 3-chloropropanol ester and glycidyl ester is effectively considered.

This invention relates to the field of water treatment technology, and particularly to a system and method for removing small-molecule organic matter based on field energy granulation and agglomeration. The system includes an initial mixing section and an electrostatic field enhancement section and a post-mixing section connected sequentially to the initial mixing section. Through the effects of initial mixing and electrostatic field enhancement, medium-sized polymers are first formed, which combine with small-molecule organic matter to form complexes, encapsulating the small-molecule polymers. Then, during post-mixing, coagulants are continuously added and adhere to the initial complexes, forming a coral reef-like surface with a higher zeta potential and a larger specific surface area. Each newly formed surface layer combines with pollutants and covers the previous layer, thereby encapsulating more small-molecule organic matter into the flocs and improving the removal rate of small-molecule organic matter. This solves the problem of low removal rates of small-molecule organic matter in existing coagulation processes, which cannot meet the requirements for wastewater recycling.

The utility model relates to the technical field of kitchen waste treatment, and discloses a kitchen waste sewage pretreatment device which comprises a wastewater storage and conveying mechanism, an acid-base adjusting tank is arranged on the right side of the wastewater storage and conveying mechanism, and a lime milk mechanism is arranged outside the acid-base adjusting tank. A centrifugal machine feeding mechanism is arranged on the right side of the acid-base adjusting tank, a two-phase horizontal spiral centrifugal machine is arranged on the right side of the centrifugal machine feeding mechanism, a flocculation adjusting tank is arranged on the right side of the two-phase horizontal spiral centrifugal machine, a PAM adding mechanism and a PAC adding mechanism are arranged on the outer side of the flocculation adjusting tank, and a wastewater conveying mechanism is arranged on the right side of the flocculation adjusting tank. An aeration mechanism is arranged on the right side of the wastewater conveying mechanism. According to the utility model, the two-phase horizontal screw centrifuge is used for removing solid matters in the wastewater, so that the solid matters are stable and reliable, and the removal rate is guaranteed; the PH value of the wastewater is adjusted by adding lime milk, the cost is low, the effect is good, and insoluble impurities can be removed through a two-phase horizontal screw centrifuge.

The utility model relates to the technical field of water pollution treatment, in particular to a water purification type ecological farmland. Comprising a planting soil layer, a filler layer and a separation layer, and the planting soil layer is used for planting crops; the filler layer is located below the planting soil layer and used for purifying sewage flowing through the filler layer, and a water inlet and a water outlet are formed in the side portion of the filler layer; the separation layer is located between the planting soil layer and the filler layer and used for isolating water in the filler layer from permeating into the planting soil layer. According to the water purification type ecological farmland, the farmland space is completely utilized for purifying incoming water, the farmland property is not changed, the farmland use function is not affected, and the problem that a sewage treatment project lacks land can be effectively solved.

The present invention belongs to the technical field of sewage treatment devices, and specifically relates to an integrated sewage treatment device based on deep learning, including a detection chamber, a reagent kit, an electrode chamber, a symbiotic chamber, and a filter chamber. The reagent kit is arranged in the detection chamber, the electrode chamber is connected to the symbiotic chamber, the detection chamber is connected to the electrode chamber through a pipeline, the symbiotic chamber is connected to the filter chamber through a pipeline, and the filter chamber is connected to the electrode chamber through a pipeline. The present invention divides pollutants into large groups and small groups according to the treatment methods and multi-dimensional conditions of different pollutants, and finds the optimal current density, pH concentration, H concentration, and pH concentration of the corresponding treatment group. 2 O 2 Concentration and PMS concentration, through the kit and variable power supply to adjust the voltage of traditional chemical electrodes and biochemical electrodes, each group of pollutants in the sewage can be accurately and efficiently treated.

The present application relates to the model training sample screening field, for solving the problem that the data cannot be effectively screened in the model training process, resulting in the training cost is improved and the training effect is reduced, specifically for the model data sample intelligent screening method and system for knowledge distillation; The present application carries out multistage screening to the basic data for training when training the model, so as to fully remove the data completely ineffective for training, false interference data and high repeatability homogeneous data, simultaneously, the large amount of data is processed by dichotomization, the homogeneous data can be efficiently selected by jumping, both the removal rate of homogeneous data is guaranteed and the workload when removing homogeneous data is reduced, the data for model training can play an optimizing role for model training, meanwhile, the negative interference of false data is reduced, also can avoid a large amount of homogeneous data to make repeated training, improve the data quality, reduce the training cost.

The photoelectric material yarn binding spinning machine with the fiber carding function is applied to the technical field of spinning fiber carding, a carding mechanism is arranged, a carding assembly is located in the middle of the interior of a spinning rack, fiber raw materials are accurately opened and carded, disordered fibers gradually become tidy and ordered, and the spinning efficiency is improved. The output assembly is arranged on the front side of the carding assembly and is used for efficiently receiving carded fibers and stably outputting the carded fibers, so that unfavorable conditions such as disorder and knotting of the fibers in the transfer process are avoided, and the continuity and the stability of the carding process are guaranteed; the electrostatic assembly can efficiently eliminate static electricity on the surface of the photoelectric material, prevent fibers from being wound due to static electricity during carding, powerfully guarantee the straightening parallelism of the fibers, greatly improve the impurity removal rate and further lay a foundation for excellent uniformity and high strength of yarn casting.

The invention discloses a scouring agent and a preparation method and application thereof. The scouring agent specifically comprises the following components by weight: 15-20 parts of secondary alkyl sodium sulfonate, 3-5 parts of emulsifier, 10-15 parts of alkyl glycoside, 3-5 parts of alcohol ether carboxylate, 3-5 parts of magnesium chloride, 3-5 parts of sodium gluconate, 18-20 parts of organic solvent, and 25-45 parts of water. The preparation method comprises: mixing secondary alkyl sodium sulfonate, emulsifier, alkyl glycoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent by weight to obtain a mixture; adding water to the mixture to a total weight of 100 parts, compounding, and obtaining a scouring agent. The scouring agent obtained by the formula and preparation method of the invention is a phosphorus-free and environmentally friendly scouring agent, which can achieve the stability of textiles in a continuous processing process, and can avoid the occurrence of holes in textiles and the occurrence of textiles being stained after wax precipitation.

The invention relates to the technical field of crushing, and discloses high-purity quartz sand grading magnetic separation equipment which comprises a crushing mechanism, the crushing mechanism comprises a crushing tank, a crushing groove is formed in the inner wall of the crushing tank, and a crushing rotor is arranged in the crushing tank; the grinding mechanism comprises a grinding groove, and the interior of the grinding groove is rotationally connected with a grinding rotor; and the multi-stage magnetic separation mechanism comprises a first magnetic separation assembly and a second magnetic separation assembly. The crushing mechanism and the grinding mechanism are arranged to conduct double processing on quartz sand, the removal rate of magnetite in the quartz sand is guaranteed, and meanwhile the processed quartz sand is magnetically adsorbed through the multi-stage magnetic separation mechanism; the monitoring unit and the transportation execution unit are arranged on the first transportation mechanism, so that the transportation speed of the first transportation mechanism can be adaptively changed according to the volume condition of quartz sand.

The invention discloses a method suitable for rapid biofilm culturing in an ozone-biological activated carbon process, which comprises the following steps: adding biological activated carbon into a stainless steel cylindrical tube to prepare a carbon filter column, and cleaning the biological activated carbon in the carbon filter column by adopting gas-water combined backwashing; after the cleaned water body is subjected to stuffy aeration for 2 days, continuous flow water inflow is adopted, the inflow water is effluent of the ozone contact tank, meanwhile, a glucose solution is added, the concentration of glucose in the water body reaches 6-9 mg / L, and the backwashing period is 7-9 days; the CODMn and ammonia nitrogen indexes of the effluent of the carbon filter column are detected every day, the biofilm culturing time is shortened to 15 days by adjusting the filtering speed, and the removal rate of the CODMn and the ammonia nitrogen reaches 30% or above. According to the biological activated carbon biofilm culturing method, the biofilm culturing speed can be increased, rapid biofilm culturing is achieved, and the practical problem that biofilm culturing is difficult in a water plant is solved.

The invention discloses a household garbage incineration flue gas combined deacidification treatment method, device and equipment, garbage incineration is carried out according to a preset non-household garbage blending combustion ratio, chimney indexes and hour mean value changes of preset acid gas are monitored in real time, and when the chimney indexes are below the emission limit value, the flue gas is deacidified. Under the condition that the hour mean value of preset acid gas generated after the components of the original flue gas are changed is below a target value, the non-household garbage blending combustion proportion is adjusted, and the operation mode of the deacidification system is adjusted in time by adjusting the opening degree of a wet bypass baffle, so that the effective removal rate of the acid gas can be ensured; and economic operation can be taken into consideration while environmental protection index up-to-standard emission is guaranteed, the adaptive capacity of the garbage incinerator for treating various kinds of garbage is improved, equipment stability is guaranteed, and the problems that a single deacidification mode is adopted in existing household garbage incineration, and the garbage in the incinerator cannot be deacidified according to the proportion of the garbage in the incinerator are solved. The technical problems of economy, safety and stable operation are realized while the deacidification efficiency is ensured.

The invention discloses a pepper fruit removing device which structurally comprises a pepper fruit removing device rack, a first-stage pepper fruit roller, a second-stage pepper fruit removing roller, a third-stage pepper fruit roller, a fourth-stage pepper fruit roller, a fifth-stage pepper fruit roller, a pepper fruit removing screen frame assembly and a pepper fruit removing screen adjusting rod assembly. Four rows of straight spike teeth are mounted on the first-stage pepper fruit roller, two rows of straight spike teeth and arched spike teeth are mounted on the second-stage pepper fruit roller and the third-stage pepper fruit roller respectively, arched spike teeth in different directions are mounted on the fourth-stage pepper fruit roller and the fifth-stage pepper fruit roller in a staggered manner, and the five pepper fruit roller are identical in rotating speed and rotating direction, so that the pepper fruit threshing rate is increased; the feeding amount of materials can be adjusted through gaps between spike teeth of the pepper and fruit removing roller and the screen. The device has the characteristics that the stroke of removing the pepper fruits from the peppers is greatly shortened, the breakage rate of the pepper fruits is reduced, and the quality of finished products is improved.

The invention discloses ytterbium-doped nano spherical CeO2 particles as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing a cerium source solution and an ytterbium source solution at room temperature; adding ethylene glycol into the prepared cerium source solution, uniformly mixing, adding acetic acid, fully stirring, adding the ytterbium source solution prepared in the step 1, fully stirring, transferring the mixed solution into a hydrothermal reaction kettle with polytetrafluoroethylene, carrying out a hydrothermal reaction, separating solid substances, drying, and sintering in a muffle furnace at 500-600 DEG C for 2-4 hours to obtain the ytterbium-doped cerium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium-doped ytterbium composite material. Then cooling along with the furnace to obtain ytterbium-doped nano spherical CeO2 particles; the formula is simple, the cost is low, the production process requirement is low, the prepared product is good in dispersity and narrow in size distribution, and the surface mechanical damage of the optical glass is further reduced on the basis of ensuring a certain material removal rate, so that the ultra-smooth surface of the optical glass is realized, and the surface quality is improved.

The utility model relates to the technical field of oil gas tail gas treatment, in particular to a gas mixing device for combustion method oil gas treatment equipment, which comprises a gas inlet pipe, a combustion pipe, an exhaust pipe, a tail gas inlet pipe, a combustion-supporting gas inlet pipe, an air inlet pipe, combustion equipment, flow guide equipment and a gas outlet cover, the exhaust pipe is installed at the top of the combustion pipe, the tail gas inlet pipe and the air inlet pipe are installed on the surface of the gas inlet pipe, the combustion-supporting gas inlet pipe is arranged at the bottom of the tail gas inlet pipe, and the gas outlet cover is arranged at one end of the tail gas inlet pipe in a sleeving mode. The flow guide equipment is controlled according to the hydrocarbon-containing tail gas concentration, the combustion-supporting gas input amount and the air inlet amount in cooperation with different working states of the combustion equipment, the effective treatment effect of the hydrocarbon-containing tail gas is guaranteed in cooperation with the opening state of the gas nozzle and the opening state of the combustion nozzle, and therefore the hydrocarbon-containing tail gas removal rate is guaranteed.