296results about How to "Full response" patented technology

The invention belongs to the technical field of carbon sequestration, and particularly relates to a fluidization reaction device and method for efficiently mineralizing carbon dioxide by solid waste, and the method comprises the following steps: pretreating the solid waste to obtain solid waste powder; the method comprises the following steps: atomizing an alkaline solvent into water mist, inputting CO2 gas and the water mist into a fluidized bed reactor by utilizing a fan, and adding solid waste powder into the fluidized bed reactor; the mass ratio of the water mist and the solid waste powder entering the fluidized bed reactor and the gas flow speed of the CO2 gas and the water mist are adjusted, gas-liquid-solid three-phase fluidization is conducted on the solid waste powder in the fluidized bed reactor under driving of the gas phase of the CO2 gas, and mineralization reaction is conducted; after full reaction, discharging solid waste powder by using a rotary discharging device, and drying the solid waste powder to constant weight by using a constant-temperature drying box to obtain an auxiliary cementing material; according to the method, the contact efficiency and the mass transfer rate of the solid waste and CO2 can be improved, the solid waste can quickly react with CO2 gas in the fluidized bed reactor, the reaction time is remarkably shortened, and the low cost and the high efficiency of the CO2 mineralization reaction of the solid waste powder are realized.

The utility model relates to the technical field of sewage treatment, discloses a sewage treatment dosing device for sewage treatment, and solves the problem that chemical agents are not uniformly distributed in sewage due to the fact that dosing is only performed at one position, so that the sewage treatment effect is influenced. A sewage treatment chemical adding device for sewage treatment comprises a supporting barrel, a treatment barrel, supporting legs, a barrel cover and a chemical spraying assembly, a chemical agent is put in from a chemical adding pipe, enters the chemical spraying barrel through the chemical adding pipe and is sprayed out through a chemical outlet, a motor drives a rotating rod to rotate, and the rotating rod rotates to drive a first bevel gear to rotate; the chemical feeding pipe rotates to drive a chemical spraying barrel to rotate, so that the spraying range of a chemical agent is conveniently expanded, the chemical agent is uniformly sprayed into sewage, and the chemical spraying barrel rotates to drive a connecting rod and stirring blades to rotate, so that the chemical agent is in full contact and reaction with the sewage.

The invention discloses a treatment method of tantalum-niobium smelting wastewater, and relates to the technical field of tantalum-niobium smelting, and the treatment method specifically comprises the following steps: step 1, wastewater collection and primary treatment; step 2, physicochemical reaction and precipitation; step 3, biological treatment; and step 4, MBR membrane pool treatment. According to the treatment method of the tantalum-niobium smelting wastewater, uniform distribution of the coagulant or the precipitant in the precipitation tank can be ensured by intermittently adding the coagulant or the precipitant, and over-high or over-low local concentration caused by one-time large-amount adding is avoided, so that the coagulation effect is improved, impurities such as suspended solids, part of organic matters and sulfate in the wastewater are more effectively removed, and the treatment effect is improved. The input amount of the coagulant or the precipitator can be flexibly adjusted according to the water quality change and the treatment requirement in the sedimentation tank, so that the treatment process is more accurate and efficient; by accurately controlling the input amount of the coagulant or the precipitant, waste caused by excessive addition can be avoided, and the consumption of chemical agents is reduced.

The invention discloses a method for continuously producing fluorobenzene, which comprises the following steps: S10) mixing anhydrous hydrogen fluoride and aniline in a tubular reactor to obtain an aniline hydrofluoride mixture; s20) introducing the aniline hydrofluoride mixture into a venturi tube reactor in an inert gas atmosphere, sucking powdered and dried sodium nitrite into the venturi tube reactor in a negative pressure environment formed by the venturi tube reactor, and carrying out a synthetic reaction to obtain a diazonium solution; s30) transferring the diazonium solution into a tubular reactor for pyrolytic reaction to obtain a crude fluorobenzene solution; s40) refining the crude fluorobenzene raw material to obtain fluorobenzene; according to the method disclosed by the invention, the crossing from an intermittent artificial kettle reaction to a continuous reaction is realized, the reaction is sufficient and complete, no 70% hydrofluoric acid mother liquor, no 70% sulfuric acid waste liquor, no high-concentration wastewater and no yellow mud solid waste are produced, a high-quality fluorobenzene product can be continuously prepared in a large batch, and the method has good economic and environmental benefits and a wide market application prospect.

The invention relates to the technical field of polypropylene production, in particular to maleic anhydride grafted polypropylene and a preparation method thereof. The invention relates to a preparation method of maleic anhydride grafted polypropylene, which comprises the following steps: weighing 100-120 parts of polypropylene, 4-5 parts of maleic anhydride, 0.6-0.8 part of a grafting auxiliary agent, 0.3-0.4 part of an initiator and 0.1-0.2 part of an antioxidant, uniformly mixing, and extruding and granulating by a double-screw extruder to obtain the maleic anhydride grafted polypropylene, wherein the grafting auxiliary agent is prepared by compounding trimethylolpropane trimethacrylate, ethylene propylene diene monomer and 4, 4-dihydroxy diphenyl sulfide according to a mass ratio of 1: (0.7 to 0.9): (0.8 to 1). According to the preparation method disclosed by the invention, the grafting rate of the maleic anhydride grafted polypropylene can be remarkably improved, the compatibility of the polypropylene and a polar material is remarkably improved, and the maleic anhydride grafted polypropylene prepared by the preparation method disclosed by the invention is a compatibilizer with good performance.

The utility model discloses a chemical medicine preparation mixing liquid preparation device which comprises a liquid preparation barrel, a liquid preparation barrel top cover is arranged above the liquid preparation barrel, one end of the upper portion of the liquid preparation barrel top cover is fixedly connected with a first electric telescopic rod, and the upper portion of the first electric telescopic rod is fixedly connected with a first fixing ring; by arranging the structures such as the crushing tank, the crushing motor and the crushing blades, solid chemicals can be more conveniently mixed and can be conveniently and quickly crushed into powder, reaction and mixing are more sufficient, and by arranging the structures such as the two sets of electric telescopic rods, the two sets of flow adjusting valves, the liquid feeding pipe and the powder feeding pipe, the reaction speed is increased, and the reaction time is shortened. The liquid feeding pipe or the powder feeding pipe can be adjusted to move up and down to a proper height, so that a solution or powder slowly falls into other solutions in the liquid preparation barrel, solution splashing is reduced, and reaction and mixing are more stable.

The invention discloses a super-amphiphobic anti-waxing epoxy composite coating as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, modifying nano silicon dioxide by fluorine-containing silane to obtain fluorine-containing silane modified nano silicon dioxide; preparing a fluorine-containing modifier with an epoxy group through a mercapto-alkene click reaction, blending the fluorine-containing modifier with epoxy resin to obtain modified epoxy resin, and finally blending the fluorine-containing silane modified nano silicon dioxide with the modified epoxy resin to obtain the composite coating. The water and diesel oil contact angles of the composite coating prepared from the composite coating are both larger than 150 degrees, the rolling angle is smaller than 5 degrees, the composite coating has super-amphiphobic performance, the anti-wax precipitation efficiency is larger than or equal to 75%, the adhesive force of the coating is smaller than the first level, the salt spray resistance time is larger than 1200 h, and the stability is good.

The invention relates to the technical field of deodorants, in particular to a deodorant capable of effectively adsorbing and eliminating environmental odor, which is prepared from the following components in percentage by mass: 30 to 40 percent of activated carbon powder, 15 to 25 percent of plant extract, 10 to 20 percent of microbial agent, 5 to 10 percent of disodium ethylene diamine tetraacetate and the balance of water. The plant extract liquid comprises 10%-18% of folium artemisiae argyi extract liquid, 8%-12% of pepper extract liquid, 12%-18% of pomelo peel extract liquid, 10%-15% of tea tree extract liquid, 10%-15% of lavender extract liquid, 8%-12% of lemon eucalyptus oil extract liquid and 7%-10% of mint extract liquid; through cooperation of the materials, the adsorbability and deodorization performance of the deodorant are improved, the intensity of odor in the environment is remarkably reduced, the odor is continuously adsorbed, secondary pollution is avoided after the deodorant is used, the odor in the environment is effectively covered, and the smell feeling is improved.

The invention provides a preparation process and application of rock sugar syrup, and belongs to the technical field of food production and processing. The purified high fructose corn syrup, purified mogroside and other high-purity components are used, the impurity content in the rock candy syrup raw materials is reduced, modified activated carbon is matched for adsorption treatment, the ash content of the rock candy syrup is reduced through the comprehensive effect, and meanwhile the light transmittance of the syrup is improved.

The invention relates to the technical field of wastewater treatment, and discloses a dispersible spunlace non-woven fabric production wastewater treatment device which comprises a wastewater treatment box, a filter plate is arranged in the wastewater treatment box, the outer wall of the filter plate is slidably connected with the inner wall of the wastewater treatment box, and a pull rope assembly is arranged at the top of the wastewater treatment box. An inclined assembly is arranged at the top of the filter plate, a stirring assembly is arranged at the bottom of the filter plate, suspended solids in wastewater can be fished through a pull rope assembly and the inclined assembly in the ascending process of the filter plate, and when the filter plate ascends to a certain height, the filter plate can touch the inclined assembly, so that the filter plate is inclined; the waste water remained on the surface of the filter plate can quickly flow under the action of gravity and returns to the inside of the waste water treatment tank again, so that the smoothness and the efficiency of the whole treatment process are improved, and the phenomenon of slow draining is effectively reduced.

The invention discloses a production device and method for preparing biological aviation kerosene through a hydrodeoxygenation method, the production device for preparing the biological aviation kerosene through the hydrodeoxygenation method comprises a reaction kettle, a stirring assembly is arranged in the reaction kettle, and the stirring assembly is used for stirring a reaction mixture; the stirring assembly comprises a hollow square shaft, a plurality of hollow stirring blades and a driving assembly, and the hollow square shaft is rotationally arranged at the bottom in the reaction kettle; the invention further discloses a production method for preparing the biological aviation kerosene through the hydrodeoxygenation method. The production method comprises the steps of S1, raw material pretreatment; s2, hydrodeoxygenation reaction; s3, separating a product; and S4, rectification. According to the device, hydrogen exhausted from the exhaust holes is sprayed out in all directions, so that the contact area between the hydrogen and raw materials can be increased, the hydrogen reaction is more sufficient and complete, waste is reduced, and meanwhile, the preparation efficiency of the biological aviation kerosene is also improved.

The invention relates to the technical field of sewage treatment, and discloses a flocculant containing polyacrylamide and a preparation method thereof. The invention provides a flocculant containing polyacrylamide by adding amino acid-modified graphene oxide, triazine amino acid, polyacrylamide and sodium laurate coagulant into a stirrer for stirring. Graphene has an extremely high specific surface area, can provide more active sites for adsorbing suspended particles, and can also promote the aggregation of suspended particles through an adsorption bridging mechanism; the cationic groups contained in the quaternary ammonium salt molecules can bridge between particles, capture tiny particles, and accelerate sedimentation; the acylamino group can form hydrogen bonds with water molecules, combine with other particles or ions, and promote aggregation and sedimentation between particles; the hydrophilicity of the hydroxyl group makes the anionic flocculant more easily soluble in water, which helps the flocculant to fully contact and react with the suspended particles; the carboxyl group has a negative charge, which can attract positively charged metal ions, and further enhance the adsorption effect.

The utility model relates to the technical field of sewage treatment, and discloses sewage treatment flocculation flotation equipment which comprises a reaction box, a motor and an accelerated reaction assembly. According to the flocculation flotation equipment for sewage treatment, the rotating rod is driven by the motor to rotate in the reaction box, the sliding block is in threaded connection with the rotating rod, so that the sliding block can move up and down along the rotating rod, and multi-layer stirring is achieved. The two small motors respectively drive the two stirring rods to rotate and stir, so that the mixing and reaction effects of the sewage are further enhanced. Due to the design of the feeding groove, the dosing process is more uniform and convenient. The feeding tank is fixed on the sliding block through the fixing frame, and along with the movement of the sliding block, the feeding tank can add a coagulant and a flocculating agent into sewage at different depth positions, so that the mixing and reaction speed is increased, the coagulant and the flocculating agent can be in contact and react with impurities in the sewage more sufficiently, and the sewage treatment efficiency is improved. Therefore, the treatment effect is improved.

The invention discloses horizontal multifunctional modular box equipment for air purification, and relates to the technical field of waste gas treatment.The horizontal multifunctional modular box equipment comprises four sets of filter boxes which are communicated in a W shape, a plurality of filter box drawers are arranged in the middles of the filter boxes, and the filter box drawers are communicated through first connecting cylinders in a sealed mode; a honeycomb filter block is arranged in the middle of the inner side of the filter box drawer, a limiting sealing block and a drawer sealing plate are sequentially installed at one end of the honeycomb filter block, the periphery of the limiting sealing block is movably sleeved with a second supporting frame and a sealing limiting frame, the sealing limiting frame is fixedly connected with the second supporting frame, and a sealing limiting plate is arranged at the other end of the honeycomb filter block. The honeycomb filter block can be taken out and replaced in a sealed manner by intermittently pulling and moving the drawer sealing plate twice, the active bacterial liquid can be prevented from escaping, the work of other honeycomb filter blocks can be prevented from being hindered, and the filter box can continuously work, so that the harmful gas is permanently, efficiently and massively filtered and absorbed.

The invention relates to a hot zone gas treatment unit of a solid oxide fuel cell. A mixer is transversely arranged in a combustion pipe, a combustion cavity is formed in the lower end of the mixer, an anode waste gas conveying pipe and a cathode waste gas conveying pipe are arranged at the upper end of the mixer, the anode waste gas conveying pipe and the cathode waste gas conveying pipe are connected into the galvanic pile, and the lower ends of the anode waste gas conveying pipe and the cathode waste gas conveying pipe are communicated with the combustion cavity. The preheating pipe and the heat exchanger are sleeved on the combustion pipe, a deionized water conveying pipe, a fuel conveying pipe and a mixed gas conveying pipe are arranged outside the preheating pipe, the mixed gas conveying pipe is communicated with the reformer, a reforming conveying pipe at the lower end of the reformer penetrates through the heat exchanger and is connected into the electric pile, and an air pipe penetrates through the heat exchanger and is connected into the electric pile. Waste gas conveyed by the anode waste gas conveying pipe and the cathode waste gas conveying pipe is combusted in the combustion cavity to generate heat, preheated fuel and deionized water are vaporized, the mixed fuel and vaporized deionized water enter the reformer, then are heated by the heat exchanger and enter the electric pile, and heat recycling is achieved.

The invention provides an ultra-low carbon butyraldehyde synthesis device and a synthesis method thereof, the device comprises an enhanced reaction tower, an enhanced unit is arranged at the bottom of the enhanced reaction tower, and a grating is arranged above the enhanced unit; a mixed gas feed port and a propylene feed port are formed in the bottom of the enhanced reaction tower, a discharge port and a reflux pipeline are further arranged on the tower side of the enhanced reaction tower, and a circulating pump is arranged on the reflux pipeline; a catalyst recovery pipeline is arranged on the outer side of the enhanced reaction tower, the catalyst recovery pipeline is connected with the enhanced reaction tower through the discharge port, and the catalyst recovery pipeline comprises a heat exchanger, a sedimentation tank and a gas washing tower which are connected in sequence. According to the butyraldehyde synthesis device disclosed by the invention, the reaction efficiency and the product yield in butyraldehyde synthesis are improved mainly in a manner of combining the strengthening unit and the catalyst recovery pipeline, so that the catalyst recovery rate is higher while the reaction is more sufficient and thorough, and the energy consumption in catalyst recovery is greatly reduced.

The invention belongs to the technical field of ceramic heat accumulators, and relates to an RT0 combined honeycomb ceramic heat accumulator and a production process thereof. Comprising the following steps: mixing aluminum oxide powder, diatomite, expanded perlite, rare earth oxide, carbon nanofibers, kaolin, quartz sand, titanium dioxide, boron nitride powder, silicon carbide powder, zirconium oxide powder, aluminum oxide fibers, glass powder, yttrium-stabilized zirconium oxide, aluminum oxide hollow spheres and aluminum borate whiskers; drying the mixed material, finely grinding the dried material by using a ball mill, and screening by using a screen; the sieved mixture is put into mixing equipment, 2% of plasticizer and 1% of preservative are added for mixing, and mixed pug is obtained; and standing the mixed pug to obtain a blank. The service life of the heat accumulator is prolonged, and the heat exchange efficiency of the heat accumulator is improved.

The invention discloses waste water recycling equipment for corrugated board production, and relates to the technical field of waste water treatment.The waste water recycling equipment comprises a settling box, a water outlet pipe is fixedly connected to one side of the settling box, a water inlet pipe is fixedly connected to the side, away from the water outlet pipe, of the settling box, and sliding grooves are symmetrically formed in the upper end face of the settling box; the liquid collecting box can be driven to move intermittently and equidistantly on the upper end face of the settling box, a flocculating agent in the liquid collecting box is uniformly sprayed on wastewater in the settling box, the flocculating agent can be uniformly sprayed to all corners of the settling box, and the problem that the local concentration is too high or too low due to direct feeding through a traditional single inlet is solved; the uniform distribution enables the flocculation reaction in the wastewater to be more consistent, and the obvious difference of flocculation effects among different areas is reduced, so that floating matters and suspended matters in the wastewater are more effectively removed, the overall efficiency of wastewater treatment is improved, the quality of the treated wastewater is improved, and the wastewater is more in line with environmental protection standards and subsequent treatment requirements.

The invention relates to the technical field of welding devices, in particular to a frame welding device which comprises a laser welding head, a protection mechanism for protecting the laser welding head when the laser welding head is not used, a purification mechanism for purifying welding fume generated during welding, and a cooling mechanism for cooling the laser welding head in the using process. The purification mechanism comprises a treatment box, a gas collection cylinder fixedly installed in the treatment box and a sliding piece installed in the gas collection cylinder in a sliding mode. According to the welding fume purification device, through the arrangement of the purification mechanism, welding fume is intermittently conveyed into a treatment solution, the problem that the treatment solution is insufficiently treated due to the fact that the amount of conveyed welding fume is too large is solved, the purification effect is improved, the treatment solution is stirred, the welding fume makes full contact and react in the treatment solution, and the purification effect is further improved; and the purified gas is discharged to the welding seam, so that the welding seam is cooled.

The utility model relates to the technical field of oily wastewater filtering, and discloses a thermal power plant oily wastewater filtering device which comprises a filtering shell and a supporting structure fixedly installed on the axial side wall of the filtering shell, the lower end of the filtering shell is communicated with a discharging pipeline, an electromagnetic valve is arranged on the axial side wall of the discharging pipeline, and the discharging pipeline is communicated with the supporting structure. Oily wastewater needing to be treated is poured into the filtering shell, under the cooperation of a motor, a connecting shaft, a first gear, a second gear and a stirring rod, the stirring rod drives a plurality of material mixing rods to rotate together, the material mixing rods can drive the oily wastewater to rotate, at the moment, oil removal liquid can enter the material mixing rods through the stirring rod, and the oil removal liquid enters the material mixing rods through the stirring rod. The liquid is thrown out through the dispersing pipelines on the mixing rods under the centrifugal force of the stirring rods, and the multiple mixing rods are distributed in the filtering shell, so that the oil removal liquid can be in comprehensive contact with oily wastewater in multiple directions, the oil removal liquid and the oily wastewater can be fully reacted, and the oil removal efficiency is ensured.

The invention discloses a marine sediment heavy metal extraction device which comprises an extraction tank, a grinding and conveying mechanism and a stirring mechanism, and further comprises a top seat movably mounted at the top of the extraction tank and a screening mechanism fixedly mounted at the bottom of the grinding and conveying mechanism, and the grinding and conveying mechanism is fixedly mounted on one side of the top of the top seat; the extraction tank is rotatably mounted at the top of the base, a side box is fixedly mounted on one side of the base, and a driving mechanism extending into the lifting seat is fixedly mounted in the side box. The driving mechanism is electrified to operate and simultaneously drives the extraction tank, the stirring mechanism, the grinding and conveying mechanism and the screening mechanism to cooperatively work, so that grinding, screening, rotary stirring and mixing of the marine sediments are realized, full contact and reaction of an acid dissolving solution and the marine sediments are ensured, and complete dissolution and extraction of heavy metals in the marine sediments are realized; the marine sediment heavy metal extraction speed and effect are improved.

The utility model relates to the technical field of waste gas treatment, in particular to a tail gas absorption device in a desulfurization waste liquid salt extraction process, which comprises a collecting tower, a spraying system and a filler layer, the filler layer is arranged below a spraying pipe and comprises a filler supporting grating and a Pall ring, and the Pall ring is arranged in the collecting tower. The packing supporting grid is horizontally and fixedly installed inside the collecting tower, the Pall ring is flatly laid above the packing supporting grid and comprises an outer ring and an inner ring, the outer ring is flexibly arranged, the inner ring is rigidly arranged and is inserted into the outer ring, the inner ring and the outer ring are arranged in an interference fit mode, and the outer ring is fixedly connected with the Pall ring. By improving the structure of the Pall ring, the rigidity of the Pall ring is improved, an original PP Pall ring is replaced, and the Pall ring is applied to a spraying device for tail gas absorption, so that the problem that the mass transfer efficiency is reduced due to deformation of the Pall ring is solved, liquid in a tail gas absorption device is fully mixed with acidic or alkaline gas in tail gas, and the absorption efficiency is enhanced.

The present invention discloses a device and a method for efficiently treating liquid manure of livestock and poultry based on a CSTR integrated reactor. The device provided by the present invention includes a reactor, a feeding system and a discharging system; the reactor includes a stirring device, the stirring device includes a vertical stirring shaft and a horizontal stirring rod, the two form an angle and are a hollow structure; a spiral belt stirring paddle is provided at the end of the horizontal stirring rod; the feeding system is provided with a feeding pipeline and a flushing pipeline; the discharging system is provided with a sand flushing pipeline and a water outlet pipeline. The present invention uses a stirring device to flush the material into the middle of the tank under stirring, which helps to mix it fully. At the same time, the flushing pipeline and the sand flushing pipeline are used to solve the defects of upper layer compaction and bottom layer sand deposition in the tank, thereby improving the efficiency of anaerobic digestion and methane production of liquid manure of livestock and poultry.

The invention relates to the technical field of wastewater treatment, in particular to laboratory wastewater treatment equipment which comprises a treatment box, a conveying mechanism for conveying chemicals into the treatment box, a stirring mechanism for stirring and mixing wastewater and chemicals in the treatment box, and a pretreatment mechanism for filtering wastewater entering the treatment box, the stirring mechanism comprises a stirring part, a driving unit for driving the stirring part to rotate while vertically move, a movable shell, a movable rod fixedly mounted on the movable shell, and a linkage part for driving the movable shell to axially move. According to the device disclosed by the invention, through the arrangement of the stirring mechanism, wastewater and a medicament can be transversely and vertically stirred, so that the wastewater and the medicament can be more sufficiently mixed, the mixing uniformity is improved, the wastewater and the medicament are further sufficiently contacted and reacted, and the purification effect is improved.

The invention discloses a method for producing a silicon-manganese alloy by using electrolytic manganese sulfide slag. The method comprises the following steps: mixing the sulfide slag with coke or fine coal in proportion, calcining at high temperature, gradually heating in the process to remove crystal water, and carrying out decomposition, oxidation and reduction reactions. Sulfur dioxide gas generated in the calcining process is collected and converted into industrial sulfuric acid. And the calcined manganese-rich slag is used for producing the silicon-manganese alloy. The method has the beneficial effects that the valuable elements in the vulcanized slag are efficiently recycled, the environmental pollution is reduced, the economic benefit is improved, the sustainable development is promoted, the treatment efficiency is improved, the aims of comprehensive utilization and environmental protection of the vulcanized slag are achieved, and an effective solution is provided for industrial production.

The invention belongs to the technical field of organic synthesis, and provides a preparation method of diphenyl disulfide, which comprises the following steps: A, in a dry atmosphere filled with inert gas, mixing halogenated benzene and magnesium powder, reacting to generate a Grignard reagent, and cooling to 0-15 DEG C; and B, dissolving disulfur dichloride in a solvent, dropwise adding the solution into the Grignard reagent obtained in the step A, carrying out a stirring reaction at 0-15 DEG C, carrying out a quenching reaction by using a saturated ammonium chloride aqueous solution, and carrying out extraction, drying and concentration on an organic phase to obtain diphenyl disulfide. The method adopts a one-pot method for direct synthesis, and is green and environment-friendly, and high in yield and purity.

The invention provides a fruit growth regulator and bacteriostatic preservative as well as a preparation method and application thereof, and belongs to the technical field of preservation, pomace is taken as a raw material, and pomace microfibrillated cellulose, pectin and seed oil containing phenolic substances are extracted through organic acid treatment, DES reagent auxiliary mechanical treatment, ethanol water treatment and other treatments; then carrying out hydroformylation modification on nano cellulose, grafting chitosan, and compounding with pectin to obtain dialdehyde microfibrillated cellulose-chitosan-pectin composite particles with pH response performance, and taking the dialdehyde microfibrillated cellulose-chitosan-pectin composite particles as a stabilizer of a Pickering emulsion; the green growth regulator solution is used as a continuous phase, the seed oil mixed Chinese herbal medicine extract is used as a dispersion phase, the controlled-release Pickering emulsion with growth regulation and bacteriostasis effects is prepared, the prepared emulsion is sprayed on berries to form a film layer, the growth process of the berries can be regulated, the fruit yield and quality are improved, and the quality of the berries is improved. And antibacterial substances can be slowly released for preservation when berries are picked and stored.

The invention relates to the technical field of auxiliary agents for BC battery manufacturing, in particular to an auxiliary agent for BC battery manufacturing and an application method of the auxiliary agent. The invention relates to an auxiliary agent for manufacturing a BC battery. The auxiliary agent is prepared from the following substances in percentage by mass: 0.3-10% of a high-efficiency dispersant; 0.2%-15% of a surfactant; 0.1%-15% of a stabilizer; 3%-8% of an efficient nucleating agent; 0.1%-5% of a protective agent; and the balance of ultrapure water. According to the auxiliary agent for manufacturing the BC battery, the basic composition of the auxiliary agent for manufacturing the BC battery is optimized, and the protection of the n-poly surface and the p-ply surface of the back surface of the compatible silicon wafer is ensured by adding the protective agent and protecting the n-poly surface and the p-ply surface. After the auxiliary agent for manufacturing the BC battery prepared by the technical scheme of the invention is used, the difference between the textured edge and the middle area of a silicon wafer can be obviously reduced, so that the textured uniformity of the edge wound-plating area and the non-wound-plating area is further improved.

The invention discloses a method for reducing the oxygen content of photovoltaic silicon sludge, which comprises the following steps: adding photovoltaic silicon sludge into a pickling solution which is an ammonium fluoride solution or a mixed solution of ammonium fluoride and hydrochloric acid, stirring for reaction, separating a solid product, washing the solid product with water, and drying to obtain purified silicon particles; the mass ratio of the photovoltaic silicon sludge to the pickling solution is 1: (10-60); the concentration of the ammonium fluoride solution is 0.5-10 mol / L, and in the mixed solution of ammonium fluoride and hydrochloric acid, the concentration of ammonium fluoride is 0.5-10 mol / L, and the concentration of hydrochloric acid is 0.5-5 mol / L. According to the method, the steps of acid pickling solution adding, stirring reaction, solid product separation, water washing and drying are carried out, the steps are relatively simple and easy to implement, and meanwhile, the oxygen content of the photovoltaic silicon sludge is effectively reduced in combination with control over the adding amount and concentration of the acid pickling solution in the reaction process.

The invention relates to the field of chemical reaction kettles, and particularly provides a chemical reaction kettle capable of rapidly cooling in chemical production. The device comprises a reaction kettle, the reaction kettle comprises a kettle body, a reaction bin is formed in the kettle body, a cooling mechanism and a transmission mechanism are arranged, a cooling ring is arranged on the inner wall of the reaction kettle, a spiral coil is embedded in the reaction kettle, and the reaction kettle is connected with an external cooling source such as liquid nitrogen through a liquid inlet hose and a liquid outlet hose at the top; the inner side of the cooling ring is also provided with a conduction sheet made of a copper-aluminum alloy material, and the material is good in heat conductivity and low-temperature resistant, so that cold energy in the spiral coil pipe can be efficiently transferred to materials in the reaction bin, and the materials are ensured to be kept in a stable low-temperature state in the reaction process; and the magnetic rings in the transmission mechanism are matched, so that the cooling position is flexibly adjusted, and the cooling effect is optimized.