508results about How to "Fully dispersed" patented technology

The invention discloses a spherical nano aluminum oxide polishing solution for silicon carbide wafer polishing, and relates to the technical field of preparation of semiconductor silicon carbide wafer polishing materials, and the spherical nano aluminum oxide polishing solution comprises the following raw materials by weight: 0.5-55% of aluminum oxide, 0.05-25% of an oxidant, 0.1-10% of an inhibitor, 0.01-12% of a surfactant, 0.01-15% of a dispersant, 0.1-10% of a pH regulator, and the balance of high purity water. The preparation process comprises the following steps: (1) preparing materials; (2) grinding material pretreatment; (3) mixing; (4) adjusting the pH value; and (5) high-pressure homogenization. The CMP polishing solution has the characteristics of high removal rate, good suspension dispersion performance, no damage to the surface of the silicon carbide wafer, extremely low surface roughness value, long cycle service life, easiness in cleaning, good universality and the like, and is suitable for CMP polishing of semiconductor silicon carbide wafers.

The invention provides a magnetic separation device for waste treatment, which belongs to the technical field of solid waste treatment, and comprises a rack, a magnetic separation cylinder, a blanking plate, a material through hole, a material retaining ring plate, a blanking hopper and a blanking port, a material receiving hopper is further arranged below the discharging opening in a swinging mode in the front-back direction, a discharging channel is formed between a front side surrounding plate of the material receiving hopper and the magnetic separation barrel, connecting plates are further arranged on the sides, close to the discharging channel, of the left side end and the right side end of the material receiving hopper in a sliding mode in the left-right direction, and a plurality of material stirring claws matched with the magnetic separation barrel are vertically arranged on the connecting plates. And a driving module for driving the connecting plate to do reciprocating rectilinear motion is arranged on the rack. According to the magnetic separation device for waste treatment, solid waste can be spread and distributed on the magnetic separation cylinder, the separation treatment path of the solid waste can be prolonged, and therefore sufficient magnetic separation treatment of the solid waste is achieved.

The invention discloses a phase change fiber membrane with a composite core-sheath structure and a preparation method and application thereof.The method comprises the steps that polyacrylonitrile is dissolved in N 'N-dimethylformamide and stirred to be completely dissolved, then hydroxylated boron nitride is added, the hydroxylated boron nitride is evenly dispersed through ultrasonic treatment, and a sheath spinning precursor solution is prepared; dissolving polyethylene glycol in N 'N-dimethylformamide, stirring to melt the polyethylene glycol, and taking the polyethylene glycol as a core layer spinning precursor solution; preparing a phase change fiber membrane with a core-sheath structure from the sheath spinning precursor solution and the core spinning precursor solution through a coaxial electrostatic spinning process; and placing the phase change fiber membrane with the core-sheath structure in an ethanol dispersion liquid of hydroxylated boron nitride, carrying out ultrasonic dip-coating, and then carrying out cold pressing treatment to prepare the phase change fiber membrane with the composite core-sheath structure. The obtained composite core-sheath structure phase change fiber membrane has good latent heat property, thermal conductivity and flexibility, and meanwhile, leakage of the phase change material is prevented through the core-sheath structure.

The invention belongs to the technical field of lithium ion battery materials, and discloses a perovskite type titanate material as well as a preparation method and application thereof, the structural formula of the perovskite type titanate material is AxByTiOz, an A-site element is an alkali metal element, a B-site element is a Y element and / or a lanthanide element, 0 < x < = 1, 0 < y < = 1, and x + 3y + 4 = 2z. The perovskite type titanate material meeting the chemical general formula of AxByTiOz is designed, the obtained perovskite type titanate material AxByTiOz can be used as a lithium ion battery negative electrode material, compared with a lithium titanate negative electrode, the perovskite type titanate material AxByTiOz has high energy density brought by more ideal working potential, meanwhile, compared with a graphite carbon material, the perovskite type titanate material AxByTiOz has high lithium intercalation state thermal stability, and the performance of the perovskite type titanate material AxByTiOz is improved. And high safety and high energy density of the lithium ion battery can be considered at the same time.

The invention discloses a sulfur foam combined treatment device and a treatment method thereof, and relates to the technical field of sulfur foam treatment. Comprising a bottom plate, a pair of side plates are fixedly arranged on the two sides of the top face of the bottom plate, a hollow roller is rotationally clamped between the side plates, a center shaft is arranged in the middle of the interior of the hollow roller, and the right side of the center shaft is sequentially and slidably sleeved with a coarse particle filtering disc, a medium particle filtering disc and a fine particle filtering disc; a plurality of groups of first stirring paddles are fixedly arranged on the left side of the fixed sliding shaft, and the right side of the fixed sliding shaft rotationally penetrates through the coarse particle filtering disc, the medium particle filtering disc and the fine particle filtering disc in sequence. In the stirring process, components in sulfur foam are uniform, sulfur particles are fully dispersed, and agglomeration is prevented; during filtering, sulfur particles can be more effectively separated from impurities; after stirring and filtering, the purity of the sulfur product is remarkably improved, and the stability of the quality of the sulfur product is ensured by uniform stirring and fine filtering.

The invention discloses a high-efficiency coal-saving agent for cement clinker firing and a preparation process and application thereof. The coal saving agent comprises the following components in parts by weight: 10-20 parts of a penetrating agent, 7-15 parts of a dispersing agent, 20-25 parts of a catalyst, 9-13 parts of a swelling agent, 30-48 parts of a heat supply agent and 60-70 parts of hydrogen peroxide. Wherein the heat supply agent is powder formed by solidifying aluminum powder, iron oxide powder, magnesium powder and glass powder, and the mass ratio of the aluminum powder to the iron oxide powder is 1: (4-7). The magnesium powder accounts for 12-20% of the total mass of the aluminum powder and the iron oxide powder. The glass powder accounts for 14-16% of the total mass of the aluminum powder and the iron oxide powder. The coal saving agent not only can effectively reduce the use amount of coal, but also has a sulfur fixation effect, so that the emission of sulfur oxide gas is reduced.

The invention discloses a desulfurization stirrer, and belongs to the field of chemical equipment. A top cover is arranged at the top of a stirring tank, a discharging pipe is arranged at the bottom, three rotating shafts with stirring rods are inserted into the top cover, and a driving assembly composed of a motor, a driving shaft, a chain wheel and a chain drives the rotating shafts to rotate synchronously. The feeding hopper is inserted into one end of the top cover in a sliding mode, and an ejector rod of the feeding hopper is matched with a protrusion of the rotary disc on the driving shaft, so that the feeding hopper can swing to achieve uniform feeding. An adjusting structure is arranged, and the swing amplitude of the feeding hopper can be controlled through a hand wheel and other components. A stop valve, an organ shield, a controller and other components are further arranged. The stirrer can fully stir materials, is uniform in feeding, is flexible to adjust, is convenient and reliable to operate, and can effectively improve the desulfurization efficiency and quality.

The invention discloses photocuring 3D printing metal slurry and a preparation method thereof.The photocuring 3D printing metal slurry is prepared from, by mass, 30%-77% of organic monomers, 0.001%-20% of dispersing agents, 0.1%-6% of photoinitiators and 10%-67% of composite powder; the composite powder comprises an organic shell and a metal core. The compatibility of an organic matter shell and an organic monomer of the composite powder in the slurry is better, and the chemical interaction force of the surface is larger, so that the dispersion of the composite powder in an organic monomer solution is promoted, and good stability is provided for the photocuring slurry; the refractive index of the organic matter serving as the shell is close to the refractive index of the organic monomer solution, the refractive index difference between the powder and the organic monomer solution is reduced, the curing thickness of the slurry is greatly increased, and the stable photopolymerization slurry with the good curing characteristic is obtained.

The invention discloses a super-hydrophobic polyimide-based anti-corrosion and anti-fouling self-cleaning coating and a preparation method thereof, and belongs to the technical field of organic anti-corrosion coatings, the preparation method comprises the following steps: firstly, preparing GO modified by at least one of POSS, a silane coupling agent, chain alkylamine and chain alkyl isocyanate; then compounding bottom layer slurry, coating the surface of a base material with the composite bottom layer slurry, and carrying out thermal imidization treatment to obtain a composite bottom layer; finally, the surface of the composite bottom layer is coated with modified SiO2 containing alkane siloxane or perfluorosiloxane and a binding agent, and the super-hydrophobic polyimide-based anti-corrosion and anti-fouling self-cleaning coating is prepared. The composite coating is simple in preparation process and high in operability, and has good super-hydrophobic, anti-corrosion and mechanical properties.

The invention provides a ZIF-8-based composite antibacterial material and a preparation method and application thereof.Ce6 is efficiently packaged into ZIF-8 through a simple one-pot method, Ce6 at-ZIF-8 is synthesized, Ce6 at-ZIF-8 is endowed with excellent photodynamic bacterium killing efficiency, then MnO2 is doped into Ce6 at-ZIF-8, the antibacterial efficiency is greatly improved under photodynamic and chemical kinetics synergistic antibacterial effects, and meanwhile, the composite antibacterial material can be used for preparing a composite antibacterial material. Due to the addition of berberine, the antibacterial effect is improved, the healing rate of a wound is increased, the berberine has good dispersity, can be uniformly dispersed in water, has large specific surface area, can well inhibit growth and adhesion of bacteria, can be used as a dressing for promoting wound healing or resisting bacteria, not only can effectively kill bacteria except the wound, but also can be used as a dressing for promoting wound healing or resisting bacteria. In particular, wound healing of diabetic patients can be promoted, and the antibacterial material can be used as a novel antibacterial material for antibiosis and wound healing.

The invention relates to the technical field of raw coal impurity removal, and particularly provides a raw coal impurity removal anti-blocking device. By arranging the feeding primary screening mechanism, coal powder is filtered out through a flow guide plate, and by arranging a first-stage material uniformizing device and a second-stage material uniformizing device, coal can be evenly dispersed, and the phenomenon that the device is blocked due to accumulation of the coal is prevented; the belt type iron removal mechanism is additionally arranged, metal impurities in raw coal are adsorbed through the magnetism of an electromagnet, and the discharging quality of coal is guaranteed; the grate type screening unit is additionally arranged, so that coal briquettes with small sizes can smoothly fall into a stock bin below through gaps between swing rods, and impurities such as stones with large sizes are temporarily intercepted on the swing rods and wait for follow-up rotary throwing treatment of the rotary roller claw type screening unit; and a rotating roller claw type screening unit is arranged, a first gear motor and a cam divider are used for providing power, a claw is intermittently driven to rotate, and large sundries can be thrown into a sundry recycling box.

The invention provides a preparation method of green and environment-friendly regenerated rubber, and belongs to the field of regenerated rubber manufacturing. The method comprises the following steps: putting waste rubber powder and a biomass material into a first stirring and mixing device, discharging after the material is heated to a set temperature, feeding the material into a second stirring and mixing device, stirring under the condition of introducing an inert gas atmosphere, and discharging after the material is heated to a set temperature; feeding the materials into a first double-screw extruder through a continuous closed conveying device, controlling the temperature of the screw extruder to be 100-160 DEG C, and completing a depolymerization reaction within 3-7 minutes; and feeding into a second screw extruder through a continuous closed conveying device, controlling the temperature of the second screw extruder to be 5-25 DEG C, cooling for 2-5 minutes, removing impurities through a filtering device, and carrying out thin-passing and sheet discharging through a double-roller refiner, so as to obtain the green and environment-friendly regenerated rubber material. According to the method disclosed by the invention, the rubber regenerant and the softening agent which are derived from biomass are used as regeneration auxiliaries, the depolymerization regeneration of the waste rubber is realized under a low-temperature condition, and the regeneration process is low in energy consumption and small in environmental pollution.

The invention relates to the technical field of automobile part structures, in particular to a planet row speed reducer lubricating structure for coaxial distributed driving. Comprising a shell, an input shaft, a gear ring, a plurality of planetary gears, a plurality of planetary shafts, a planetary carrier and an oil receiving disc. The gear ring is of an annular structure fixed to the shell. The planetary gears are arranged at intervals in the circumferential direction of the input shaft with the axis of the input shaft as the center, and the planetary gears are meshed with the input shaft and the gear ring; one end of the planetary shaft penetrates through the planetary gear; the planet carrier is sleeved on the input shaft in a manner of rotating around the axis of the input shaft, the planet carrier is fixedly connected with the other end of the planet shaft in the direction of rotating around the axis of the input shaft, and the oil receiving disc is fixed on one axial side of the planet carrier; and the oil liquid sprayed out of the oil liquid channel of the shell is uniformly distributed to the planet carrier, the planet gear, the planet shaft and the first bearing structure in the axial direction. The speed reducer is simple in structure, a special electronic pump does not need to be configured, the energy effect is greatly reduced, and the problem that the NVH effect is poor is solved.

The present application discloses a headbox for papermaking, comprising a base for providing support force, a pulp discharging mechanism arranged on the base and used to assist pulp to be sprayed onto a paper forming net, the pulp discharging mechanism comprising a pulp discharging box, an upper lip plate and a lower lip plate are arranged inside the pulp discharging box, a lip for pulp discharging is formed between the upper lip plate and the lower lip plate, a pulp discharging mechanism for extracting excess accumulated pulp is arranged on the side of the pulp discharging box near the lip, a scraper for blocking excess pulp is connected to the side wall of the pulp discharging box, the pulp discharging mechanism comprises a bottom plate, a vertical plate is fixedly connected to the bottom plate, a plurality of transmission components for taking away excess pulp are arranged between the bottom plate and the scraper, the transmission components comprise a plurality of rollers, the same group of rollers are connected to the same belt for transmission, a water bucket for containing pulp is fixedly connected to the side of the belt away from the roller, and a driving mechanism for driving the roller to rotate is arranged in the extraction groove. The pulp accumulation is reduced, and the influence on paper forming is reduced.

The invention relates to a negative electrode material and a preparation method thereof, a negative electrode plate and a lithium ion battery, the negative electrode material comprises a silicon-based active substance and a carbon material, the oil absorption value of the negative electrode material is O mL / 100g, the specific surface area is S m < 2 > / g, the particle size concentration ratio of the negative electrode material is P1, P1 is equal to (D80 + D50) / (D50 + D20), the physical rebound capacity of the negative electrode material is T, T is equal to 0.01 * O * S / P1, and T is greater than 0.20 and less than 1.20. The negative electrode material disclosed by the invention has relatively low physical rebound capability, and the volume of a pole piece prepared from the negative electrode material is not easy to rebound after compaction, so that relatively high compaction density can be obtained, and excellent cycle performance is exerted.

The invention relates to a polycarboxylate superplasticizer as well as a preparation method and application thereof. Comprising the following steps: mixing and dissolving IPEG and water, heating to a certain temperature, and adding an oxidizing agent to prepare a solution A; mixing a reducing agent and a chain transfer agent, and adding water to prepare a solution B; mixing an unsaturated acid monomer and a phosphate group-containing monomer, and adding water to prepare a solution C; and adding the solution B and the solution C into the solution A, stirring at a constant temperature until the reaction is completed, and cooling to room temperature to obtain the polycarboxylate superplasticizer, thereby completing the reaction. Compared with the prior art, the method has the advantages that the adsorption of the polycarboxylic acid water reducer to the micro powder is reduced, and the dispersion effect of the polycarboxylic acid water reducer is improved, so that the working performance of the high-micro-powder regenerated masonry mortar is improved, and the like.

The utility model discloses an automatic carbon source feeding system for a sewage treatment plant, which comprises a carbon source feeding device and a control device, and an input end group of the control device is connected with a water inlet flowmeter, a water inlet total nitrogen detector and a water outlet total nitrogen detector. The sensing end of the water inlet flow meter and the sensing end of the water inlet total nitrogen detector are both arranged in the sewage inlet header pipe, the sensing end of the water outlet total nitrogen detector is arranged in the sewage outlet header pipe, and the control end of the carbon source adding device is electrically connected with the control signal output end set of the control device. And the carbon source output end of the carbon source adding device is communicated with the anoxic tank. Whether the external carbon source needs to be added or not to enable the total nitrogen of the effluent to reach the standard is judged according to the water inlet amount and the total nitrogen content of sewage treatment, the carbon source is accurately added according to requirements, accurate adding of the carbon source agent is achieved, and the carbon source agent consumption needed for removing unit TN is reduced.

The invention provides a preparation method and device of quinoxaline compounds, and belongs to the technical field of quinoxaline compound synthesis. The preparation method of the quinoxaline compound comprises the following steps: mixing a substituted 1, 2-dicarbonyl compound and a substituted o-phenylenediamine compound to obtain a mixed raw material; and blowing the mixed raw material into a reaction chamber for reaction to obtain the quinoxaline compound, and finally, carrying out vacuum drying on the quinoxaline compound. High-speed spiral gas is formed in the reaction cavity through high-pressure carrier gas, and the mixed raw materials react in the high-speed spiral gas flow. The preparation process provided by the invention has the advantages of low equipment investment, simple process, high reaction speed, high yield, no need of participation of any solvent and catalyst, environmental friendliness and capability of reducing the production cost.

The invention relates to the technical field of lithium ion batteries, in particular to a preparation method and application of a lithium manganese iron phosphate positive electrode material. The preparation method of the lithium iron manganese phosphate positive electrode material comprises the following steps: adding a lithium source, a phosphorus source and a carbon source into a solvent for grinding to obtain slurry A, adding an iron source and a manganese source into the slurry A for multiple times, and performing grinding operation after the iron source and the manganese source are added each time to obtain slurry B; and after the iron source and the manganese source are completely added, carrying out spray drying, calcining in an inert atmosphere, and crushing to obtain the manganese-iron-manganese composite material. By adopting the preparation method of repeated charging and continuous grinding, full dispersion of the lithium manganese iron phosphate slurry can be realized, uniform coating of a carbon layer and grading of large and small particles of the slurry can be realized at the front end, the compaction density and the conductivity of the lithium manganese iron phosphate positive electrode material can be improved, and the preparation method is simple, easy to realize, environment-friendly and pollution-free.

The invention relates to the field of 3D printing wires, and particularly discloses a high-strength corrosion-resistant special 3D printing wire and a preparation method thereof. Comprising the following operation steps: S1, preparing modified fluorinated graphene: (1) reacting fluorinated graphene with N-methyl-2-pyrrolidone to obtain perfluorinated graphene; (2) reacting the perfluorinated graphene with bisphenol fluorene by taking potassium carbonate as a catalyst to obtain modified fluorinated graphene; s2, uniformly mixing polyether-ether-ketone, the modified polyether-ether-ketone, the modified fluorinated graphene and the modified composite material to obtain a premix, performing melt extrusion on the premix, and performing wire drawing and winding to obtain the 3D printing wire.

The invention discloses a method for recovering a lithium element in a retired ternary lithium battery positive electrode material, and relates to the technical field of battery recovery, and the method comprises the following steps: S1, uniformly mixed carbon powder and ternary positive electrode recovery powder are placed in a reduction furnace, and a carbon thermal reduction reaction is carried out under the protection of a nitrogen atmosphere to obtain a reduced material; s2, the reduction material, pure water and grinding balls are put into a pressurized ball milling tank, carbon dioxide is introduced, ball milling is conducted in the high-pressure environment of 2-5 MPa, and ball milling slurry is obtained; s3, carrying out solid-liquid separation on the ball-milled slurry to obtain a lithium extraction leachate; s4, the lithium extraction leachate is subjected to impurity removal, concentration and thermal decomposition, and lithium carbonate crystals are obtained; and S5, washing, drying and crushing the lithium carbonate crystals to obtain the battery-grade lithium carbonate. According to the method disclosed by the invention, lithium is extracted by matching carbon dioxide with ball-milling water in a high-pressure environment, so that the leaching efficiency and the leaching rate of the lithium element in the reduced ternary positive electrode recycled powder can be effectively improved.

The invention belongs to the technical field of catalysts and catalysis, and relates to a low-carbon alkane catalytic oxidation technology in air pollution prevention and control, in particular to a quenching silver-loaded cobalt-based monolithic catalyst as well as a preparation method and application of the quenching silver-loaded cobalt-based monolithic catalyst. The precursor-loaded cordierite carrier obtained by an in-situ hydrothermal growth method can generate a needle-shaped structure morphology, on one hand, the cordierite carrier has relatively good mechanical strength, and on the other hand, cobalt-based and nickel-based active components can be fully exposed, so that the catalytic activity is improved; the cordierite carrier loaded with the precursor is calcined and then is quenched by using silver ion quenching liquid, so that silver clusters are clustered on the surfaces of the cobalt-based and nickel-based active components, and the cobalt-based, nickel-based and silver-based monolithic catalyst is formed, thereby further remarkably improving the catalytic activity and the mechanical strength of the active components; therefore, efficient and low-cost catalytic oxidation of low-carbon alkane is realized.

The invention discloses polyvinyl alcohol / polyethyleneimine conductive hydrogel based on crystal and chain entanglement as well as a preparation method and application of the polyvinyl alcohol / polyethyleneimine conductive hydrogel. Water molecules between polyvinyl alcohol and polyethyleneimine polymer chains are discharged through a circulating freezing-unfreezing method, a high-concentration accumulation area, namely a microcrystal area, in which the polymer chains are in close contact is formed, and rich physical entanglement and hydrogen bond interaction exist between the polyvinyl alcohol and the polyethyleneimine polymer chains. As a main physical crosslinking point, effective energy dissipation is provided, and the hydrogel is endowed with ultrahigh toughness. Besides, by utilizing the HofMichael effect, the inorganic salt solution generates a strong salting-out effect between polymer chains, reconstructs a local disordered structure and forms a stable physical cross-linked network, and compared with the traditional hydrogel, the preparation method is simple, convenient and easy to implement, low in cost and convenient for large-scale mass production. The prepared conductive hydrogel has controllable good mechanical properties and conductivity, and has wide application prospects in the fields of health monitoring, array sensors, wearable devices and the like.

The invention relates to a film-forming composition used in cosmetics, the film-forming composition comprises a film-forming agent, a first auxiliary agent and a second auxiliary agent, the film-forming agent is selected from a copolymer of acrylic acid (ester) and siloxane, and the second auxiliary agent is selected from a copolymer of acrylic acid (ester) and siloxane. The first auxiliary agent is selected from acrylic acid (ester) / stearyl alcohol acrylate / polydimethylsiloxane methacrylate copolymer and / or acrylic acid (ester) / ethylhexyl acrylate / polydimethylsiloxane methacrylate copolymer, and the second auxiliary agent is selected from squalane and / or synthetic phospholipid biomimetic materials. The content of the film-forming agent is 1.2 to 4 parts by weight, the content of the first auxiliary agent is 0.11 to 2 parts by weight, and the content of the second auxiliary agent is 0.0035 to 1.5 parts by weight. The invention also relates to cosmetics. According to the invention, the film-forming agent, the first auxiliary agent and the second auxiliary agent are cooperatively used in a specific proportion, so that the cosmetic containing the film-forming composition has excellent air permeability, makeup holding performance and skin feeling comfort.

The utility model discloses a stirring type liquid pesticide mixer. Belongs to the technical field of pesticide mixing, and comprises a mixing drum and a mixing assembly arranged in the mixing drum and used for mixing pesticides, the mixing assembly comprises a mounting frame connected to the mixing drum, and a rotating shaft is rotatably connected to the interior of the mounting frame. A second bevel gear can drive a first bevel gear to rotate in the rotating process, at the moment, a rotating shaft connected to the first bevel gear can drive stirring blades to rotate in the forward direction, and meanwhile, the second bevel gear can drive a third bevel gear to rotate in the rotating process, so that a sleeve connected to the third bevel gear drives a first stirring frame to rotate; according to the pesticide liquid mixing device disclosed by the utility model, through the stirring blades which rotate forwards and backwards and the first stirring frame, components in pesticide liquid can be more sufficiently dispersed, and the mixing uniformity is improved.

The invention discloses ultrahigh-performance premixed green concrete and a preparation method thereof. The concrete comprises the following raw materials in parts by mass: 375-430 parts of cement; 670 to 729 parts of sand; 830 to 900 parts of broken stone; 60 to 75 parts of fly ash; 45 to 55 parts of straw ash; 25 to 30 parts of silica fume; 10 to 15 parts of nano silicon dioxide; 30 to 55 parts of polyacrylic acid emulsion; 120 to 125 parts of water; 8-11 parts of a water reducing agent; 7-11 parts of an exciting agent; 1.5 to 2.3 parts of a defoaming agent; 7-10 parts of a shrinkage reducing agent; 13 to 20 parts of maleic acid modified attapulgite; 26 to 40 parts of cocamidopropyl betaine modified fiber; the cocamidopropyl betaine modified fibers are prepared by modifying fibers with cocamidopropyl betaine, and the cocamidopropyl betaine modified fibers are prepared from cocamidopropyl betaine; the fiber is selected from at least one of coconut fiber and ramie fiber. The concrete provided by the invention has the advantages of environmental protection, strong crack resistance and relatively high compressive strength.

The utility model provides foot bath powder rapid dissolving equipment which comprises a foot bath basin body and a connecting transverse plate, the upper surface of the connecting transverse plate is fixedly connected with a fixed cylinder, and the inner top wall of the fixed cylinder is fixedly provided with a rotating motor through a rack. According to the foot bath powder rapid dissolving equipment, the rotating motor, the coupler, the rotating main shaft, the first stirring blade and the second stirring blade are matched for use, and the rotating main shaft, the first stirring blade and the second stirring blade can be driven by the rotating motor to rotate, so that the foot bath powder and water in the foot bath basin body are stirred and mixed; according to the foot bath powder dissolving device, the effect of accelerating rapid dissolving of the foot bath powder is achieved, the dissolving speed of the foot bath powder in water can be increased, heat preservation can be conducted on water in the foot bath basin body in cooperation with use of a heating disc and a water stop plate, it is guaranteed that the water temperature is proper during dissolving, and it is guaranteed that traditional Chinese medicine can be rapidly and evenly dispersed in water after the foot bath powder is added.

The utility model discloses a sulfur black dye liquor recovery device, and relates to the technical field of sulfur black dye liquor recovery. The utility model provides a sulfur black dye liquor recovery device capable of performing multi-step treatment and ensuring recovery treatment, which comprises a settling tank, a treatment tank communicated with the top end of the settling tank, a feed pipe communicated with the top end of the treatment tank, a chemical inlet pipe communicated with the top end of the treatment tank, a motor fixedly connected with the top end of the treatment tank, and a water outlet pipe communicated with the settling tank, and an output shaft of the motor is fixedly connected with a stirrer. The sulfur black wastewater enters the treatment box, the sulfur black wastewater is mixed and dissolved through rotation of a stirrer, after dissolution, a chemical solvent is guided into the treatment box through a chemical inlet pipe to conduct oxidation treatment on the sulfur black wastewater, and the oxidized wastewater is subjected to double-layer filtration through a first filter plate and a second filter plate; suspended solids and colloidal particles in the wastewater are filtered out, and the filtered wastewater enters the precipitation tank for precipitation and neutralization, so that the pH value of the wastewater is adjusted to a proper range.

The invention belongs to the technical field of polyester oiling agents, and particularly relates to a full-dull polyester high-speed spinning POY oiling agent and a preparation method thereof. The full-dull polyester high-speed spinning POY oiling agent comprises the following components in parts by weight: 60-70 parts of a smoothing agent; 10 to 15 parts of an emulsifier; 5-8 parts of an antistatic agent; 3-5 parts of a bundling agent; 8-10 parts of an additive; the prepared full-dull polyester high-speed spinning POY oiling agent has good smooth wettability, heat resistance, antistatic performance and stability, when the oiling agent is applied to full-dull polyester POY, broken filaments, broken ends and other abnormal phenomena do not occur, and the high-quality product rate of full-dull polyester fibers is high.

The invention provides a preparation method of a chopped carbon fiber reinforced ceramic-based crucible material, and relates to the technical field of chopped carbon fiber reinforced ceramic-based crucible materials.The preparation method comprises the following steps that S1, chopped carbon fibers and ceramic matrix powder are subjected to dry mixing according to a preset proportion, and the chopped carbon fibers are preliminarily and evenly distributed in the ceramic matrix powder; s2, the carbon fibers obtained after dry mixing and ceramic matrix powder are mixed through a wet method, ball milling or homogenizing treatment is carried out in a liquid medium, the carbon fibers and the ceramic matrix powder are fully dispersed, and mixed slurry is obtained.According to the preparation method, oxidation treatment or acid pickling treatment or a metal coating technology is carried out on the surfaces of the short carbon fibers; according to the invention, the carbon fibers are added into the ceramic matrix, so that the interface bonding force between the carbon fibers and the ceramic matrix is obviously improved, the carbon fibers are uniformly dispersed in the ceramic matrix, the agglomeration problem of the carbon fibers is avoided, and the mechanical properties, including compressive strength, bending strength and thermal shock resistance, of the material are enhanced.