147results about How to "Easy to separate and handle" patented technology

The invention relates to a preparation method of a visible light catalyst with a surface plasmon effect and application thereof. The active component of the visible light catalyst is a precious metal Au, and the carrier is one of TiO2, CeO2, Nb2O5, SiO2, Ta2O5, Al2O3 and ZrO2, wherein, Au accounts for 0.2-5% in mass content, and the particle size of Au particle is 2-20nm. Preparation of the catalyst consists of two steps: the first step is to prepare a carrier; the second step is to prepare an Au / TiO2 (CeO2, SiO2, Al2O3, Nb2O5, Ta2O5, ZrO2) visible light catalyst with a plasmon effect througha sol precipitation method. Au nanoparticles prepared by the method of the invention have good dispersibility, easily controllable size, high active component utilization rate, as well as the effect of high efficiency photocatalytic degradation of organic pollutants by visible light.

The invention discloses a preparation method and application of a graphite phase carbon nitride nanosheet visible-light-induced photocatalyst synthesized by promotion of ionic liquid and belongs to the technical field of material preparation and photocatalysis. A graphite phase carbon nitride nanosheet material is formed by using room-temperature ionic liquid of urea and dialkyl imidazolium tetrafluoroborate as a precursor through high-temperature co-polymerization. The graphite phase carbon nitride prepared by the preparation method has a low-dimensional nanosheet layer microstructure and a suitable forbidden bandwidth and shows more efficient photocatalytic hydrogen production performance than that of conventional body phase carbon nitride under the visible light. The graphite phase carbon nitride nanosheet visible-light-induced photocatalyst synthesized by promotion of the ionic liquid is simple in synthetic process, is low in cost, has high photocatalytic efficiency, accords with the actual production requirement and has a wide application prospect in the field of photocatalysis.

The invention provides a solid base catalyst and a preparation method thereof for preparing acetylacetone with the solid base catalyst. The solid base catalyst is prepared mainly by the components with the weight composition as follows: carrier: 100 portions of Gamma-Al2O3, load components: 0.5-8 portions of adhesive, 5-35 portions of magnesium compound, 0.5-10 portions of hydroxide and 0.5-5 portions of polyacrylamide; the invention has the beneficial effects which are mainly indicated by that: compared with the catalyst prepared by the traditional dipping method, the solid base catalyst prepared by the method of the invention directly adopts a mixed forming method, has simple preparation method and easy controlling of conditions, avoids the generation of oxide which is generated in the roasting process by adopting nitrate former body, thus generating no environmental pollution problem; when the solid base catalyst of the invention is used for catalysing the ethyl acetoacetate and acetic anhydride to synthesize acetylacetone, the yield is high, the equipment investment is little, and no three-waste exists, thus being beneficial for industrialized production.

The invention discloses an aqueous environment-friendly cutting fluid synergized by a functional ionic liquid and a method for preparing the same. The method comprises the following steps: stirring and mixing a synthetic ester, a vegetable oil and an antiseptic uniformly under normal pressure and temperature to obtain a mixture A; stirring and mixing a PH stabilizer, an antirust agent and water at 30-80 DEG C for 10 minutes to 1 hour to obtain a mixture B; stirring and mixing an emulsifier and an ionic liquid extreme-pressure agent under normal pressure and temperature to obtain a mixture C; adding the mixture A, the mixture B and the mixture C into a reactor, adding a copper corrosion inhibitor and an aluminum corrosion inhibitor, and stirring and mixing at 30-80 DEG C for 10 minutes to 1 hour to obtain the product. The extreme-pressure agent has excellent abrasion resistance and can be subjected to chemical reaction with the metal surface to produce a passivation film so as to protect the metal surface. In addition, the ionic liquid compound comprises a variety of anions and cations so that the system has the advantages of special bactericidal performance, lubricating performance, cooling performance and chemical stability which are not owned by the common antiseptic.

The invention relates to a functionalized carbon nitride photocatalyst capable of performing catalytic oxidization on benzene to synthesize phenol, and a preparation method and applications of the functionalized carbon nitride photocatalyst, belonging to the technical fields of material preparation and organic photosynthesis. The chemical formula of the functionalized carbon nitride photocatalyst is Fc-Ch=N-C3N4. The preparation method comprises the steps of: firstly, performing heat condensation to carbon nitride precursor; and synthesizing the functionalized carbon nitride photocatalyst by adopting a solvent reflux method. The prepared photocatalyst has high specific surface area, and the phenol synthesis by efficient catalytic oxidization on benzene can be realized. The functionalized carbon nitride photocatalyst is simple in technique, low in cost, and high in yield, meets the practical production demand and has larger application potential.

The invention discloses a magnetic nitrogen-doped reduced graphene oxide compound catalyst as well as a preparation method and application thereof. The magnetic nitrogen-doped reduced graphene oxide compound catalyst is prepared by taking urea as a nitrogen source and a reducing agent, mixing the urea with magnetic graphene oxide and carrying out hydrothermal reaction. The compound catalyst disclosed by the invention has the advantages of no toxin, low cost, simple preparation process, easiness in separation, convenience for regeneration, good catalytic effect and the like; the preparation method of the compound catalyst has the advantages of simplicity in operation, low requirements on instrument equipment and experiment conditions, less energy resource consumption, convenience for large-scale preparation and the like. The compound catalyst provided by the invention can be used for treating organic pollutants, which are difficult to degrade, in wastewater; high-activity sulfate radical groups are generated through catalyzing persulfate, so that the organic pollutants which are difficult to degrade, especially dyestuff pollutants, in the water are efficiently removed; the compound catalyst has the advantages of high catalytic degradation effect, wide application range, simplicity and convenience for operation, no secondary pollution and the like.

The invention discloses a method for extracting pimento berry oil through subcritical normal butane fluid. The method includes the following steps of (1) raw material pretreating; (2) extracting; (3) separating; (4) material residue recycling; extracting process optimizing; the extracting time is short, operating is easy and convenient, energy dissipation is small, and the cost is low. The extracting process is carried out in the vacuum low-temperature low-pressure environment, damage to fragrance and secondary pollution are avoided, the fragrant components in pimento berries can be reserved to a maximum degree, the extracted pimento berry oil and an extracting agent are thoroughly separated, the fragrance of the product is pure, and the mobility stable is good. Under the parameter condition of the method, the extracting yield of the pimento berries ranges from 4.5% to 5.2%.

The invention discloses an organic-inorganic compound sewage treatment agent and a preparation method thereof. The compound treatment agent is prepared from the following raw materials in parts by weight: 6 to 8 parts of gelatin, 9 to 14 parts of cysteine, 9 to 24 parts of thioglycolic acid, 20 to 24 parts of sodium lignosulfonate, 22 to 26 parts of carboxymethyl chitosan, 12 to 13 parts of urea,25 to 27 parts of limestone, 14 to 16 parts of sepiolite, 28 to 30 parts of bentonite, 25 to 30 parts of fly ash, 24 to 28 parts of quick lime, 13 to 15 parts of medical stone, 13 to 15 parts of aluminum sulfate, 15 to 17 parts of ferric chloride and 12 to 14 parts of polyethyleneimine xanthic acid. The compound treatment agent provided by the invention combines advantages of an inorganic mineralabsorbent and an organic biological high polymer flocculating agent; the removing rates on heavy metal, COD (Chemical Oxygen Demand), SS (Suspended Solids), TP (Total Phosphorus) and TN (Total Nitrogen) reach 95 percent or more respectively; the content of the heavy metal, the COD, the SS, the TP and the TN in treated river channel sewage meets type IV requirements in a table 1 of National Environmental Quality Standard for Surface Water of the People's Republic of China GB3838-2002.

The invention discloses a device for automatically opening the shell of a clam and picking out a pearl. The device comprises a charging mechanism, a clamping mechanism (12), a grinding tool (13) and a shell opening knife (1), wherein the discharge opening of the charging mechanism is close to the clamping mechanism (12); the clamping mechanism (12) comprises at least two clamping plates; a to-be-operated clam is kept in a vertical state in the charging mechanism, is fed into the clamping mechanism (12) from the discharge opening, and is clamped and positioned by the two clamping plates; the clam is ground from top to bottom by adopting the grinding tool (13), so that a notch is formed in the clam; and the shell opening knife (1) enters the notch from top to bottom to open the shell, and the meat and pearl are picked out together. By adopting the method, functions including clamping, notch forming, shell opening, meat picking, pearl separating and the like for the clam are combined into a whole, different processes are carried out in different work stations, and all actions are carried out under an automatic condition, so that the efficiency for opening shell and picking out pearl for the clam can be improved, and potential safety hazard of manual handling can be eliminated.

The invention concerns to an electrophoretic separation device comprising a separation channel having at least one in- and outlet opening at the beginning and at the end of the channel and one electrode in the region of the inlet opening and one electrode in the region of the outlet opening. As well the invention concerns to a method for electrophoretic separation. The invention is characterized in that said separation channel is subdivided into at least two sections in series being coupled mutually by a joint providing an electrical connection means having a ion-conductive material separating said channel from a reservoir being apart the channel and provided with an electrode.

The invention discloses a preparation method of a magnetic nanometer water treatment agent for oil field sewage. The preparation method includes firstly, soaking magnetic nanometer particles of Fe3O4 with water while regulating pH to 5-7 and then carrying out ultrasonic dispersion to obtain an aqueous solution containing magnetic nanometer particles of Fe3O4; stirring the aqueous solution containing magnetic nanometer particles of Fe3O4 in a container, placing the container in constant-temperature water bath for holding temperature, gradually dropwise adding sodium oleate solution, after that, continuing to stir for 20 to 40 minutes, and cooling the solution to the temperature of 45 to 55 DEG C to obtain a mixture; finally, adding block polyether modifier solution in the mixture while stirring at the temperature of 45-55 DEG C for 0.5 to 2 hours so as to obtain the magnetic nanometer water treatment agent. The water treatment agent has the advantages such as flocculation, demulsification and easiness in magnetic separation. The water treatment agent can be recovered so that consumption of the water treatment agent is lowered and water treatment cost is reduced.

The invention discloses a drum fixation machine with impurity removing and screening functions. The drum fixation machine comprises a fixation machine body, wherein the fixation machine body comprisesa blanking hopper; the blanking hopper is provided with a material guiding assembly; a first support is arranged under the material guiding assembly; an inner drum is arranged at one side of the material guiding assembly; the inner drum is provided with a controller; the inner drum is connected with a discharging pipe; the inner drum comprises a sealed connecting sleeve, a low-temperature heatingbarrel and a high-temperature heating barrel; the material guiding assembly comprises a blanking pipe; a first impurity opening is formed in the lower end of the blanking pipe; a first screen net isarranged on the first impurity opening; the first screen net is provided with a first vibrator and a first pressure sensor; a first impurity tank is arranged under the first impurity opening. According to the drum fixation machine disclosed by the invention, tea leaf raw materials can be effectively prevented from being accumulated in the blanking pipe, the uniformity of a blanking speed can be effectively ensured, dust impurities in tea leaves can be cleaned, simple separation treatment on the quality of the tea leaves can be carried out, and the fixation efficiency of the drum fixation machine can be increased.

The invention discloses a cadmium-doped bismuth molybdate visible-light-induced photocatalyst, a preparation method and application of the cadmium-doped bismuth molybdate visible-light-induced photocatalyst, and belongs to the technical field of material preparation and environmental pollution improvement. The preparation method comprises the following steps of: introducing Cd into a bismuth molybdate crystal lattice in a microwave-solvothermal way; and then synthesizing to obtain a metallic-ion-doped visible-light-induced photocatalyst. The photocatalyst can respond to visible light, thus an organic pollutant of a dye in wastewater can be efficiently degraded; and the performed microwave way has the characteristics of being efficient, convenient and fast, and can quickly synthesize such catalyst. The preparation method is simple, low in cost and high in yield, meets the actual production demand, and has relatively high application potential.

The invention relates to a reinjection process for treating oily sewage without adding drugs, which mainly includes the following steps: after the oily sewage is subjected to sedimentation treatment, it is successively subjected to aeration and demulsification, swirling air flotation, collision coalescence, microflotation and adsorption filtration to obtain Water to be reinjected; an automatic oil collector is added to the sedimentation treatment process to remove oil, and the sludge mixture separated in each process section is collected into the sludge tank, and the sludge layer and supernatant are obtained by sedimentation and stratification, and the sludge layer is discharged after being concentrated . This process adopts the method of physical separation, and the separated water can be directly reinjected, which has the advantages of good degreasing effect and reducing floating oil and sludge.

The invention discloses a cyperus esculentus harvest threshing, separating and cleaning system, and belongs to the technical field of agricultural machinery. The system comprises a frame, a threshingcylinder, a straw shaker, a cleaning fan and a transverse conveyor, the threshing cylinder is arranged at the end of one side of the frame through bolts, and the threshing cylinder comprises a threshing shaft component, an upper cover arc plate and a lower screen arc plate. The upper cover arc plate and the lower screen arc plate are fixedly connected through bolts to form a cylindrical structure,a feeding port is formed at one end, a discharging port is formed at the other end, and the threshing shaft component is arranged in the cylindrical structure. The whole set of threshing and cleaningsystem has good separability, liquidity and multiple cleaning functions through working components such as the tangential flow type threshing cylinder, a double-layer multi-stage four-box type strawshaker separation device, the cleaning fan and the transverse conveyor with the soil leakage function; and faults and problems such as winding of rhizomes, blocking of a screen and incomplete separation can be effectively prevented.

The invention provides multifunctional industrial paint spraying waste gas environment-friendly treatment equipment, which comprises support legs, fixing bolts, a waste gas treatment eduction tube, anobservation sheet, a fixing frame, an air inlet pipe, a connection flange disc, a flow guide pipe, a waste gas guide-in pipe, a waste gas fast suction primary treatment machine structure, a peculiarsmell treatment machine structure, square-head bolts, a waste water recovery treatment barrel structure, a waste gas terminal spraying treatment head structure and an openable rain-proof air guide cover structure. Through the arrangement of air suction blades, a fast air suction motor and a trapezoidal frame, the air inflow can be favorably increased; the treatment efficiency can be improved; through the arrangement of a U-shaped hollow cover and a waste gas primary treatment screen, the entered waste gas can be favorably subjected to primary filtering treatment; through the arrangement of a guide-out hopper, a hollow plate, an air outlet guide pipe, an active carbon tube, wing bolts, an air suction fan and a U-shaped fixing frame, peculiar smell entering the waste gas can be timely treated; the influence on the discharge caused by peculiar smell spreading can be avoided, so that the better environmental friendly effect can be achieved during the discharge.

A preparation method of a visible-light photo-catalyst includes the following steps: 1) mixing and completely grinding cyanuric chloride and elementary sulfur S8 to prepare a solid powder; 2) placingthe solid powder in a muffle furnace and performing thermal treatment in nitrogen gas atmosphere, and naturally cooling the product to room temperature and taking out the product. The photo-catalyst is used for visible-light catalytic decomposition of water to prepare hydrogen gas. The elementary sulfur S8, at different temperatures, exists in different phases: at normal temperature, the elementary sulfur S8 is in solid phase; when temperature is increased to more than 115.2 DEG C, the elementary sulfur S8 is molten into liquid phase; and at 444.6 DEG C, the elementary sulfur S8 turns into gasphase. When the cyanuric chloride is heated with the elementary sulfur S8, the elementary sulfur S8, at 115.2-444.6 DEG C, is in liquid phase, so that the cyanuric chloride is equivalently polymerized in a sulfur solvent. Due to existence of sulfur, polymerization of the cyanuric chloride is accelerated, thus accelerating a deamination process. The carbon nitride visible-light photo-catalyst is two-dimensional carbon nitride having a hollow capsule structure and has excellent photo-catalytic activity. The preparation process is free of any template and subsequent treatment and can produce thephoto-catalyst in one step.

The invention relates to an application of sec-butyl acetate as a solvent in production of synthetic leather, in particular to an application of polyurethane synthetic leather. The invention further discloses a polyurethane resin pulp used in production of synthetic leather via a dry process and a wet process and taking sec-butyl acetate as the solvent; the sec-butyl acetate is used as the solvent in the production of synthetic leather via the dry process and the wet process, so that the defects of needle holes, orange peel and surface indentation and the like can be reduced; and the performance and the appearance of the product are further improved by selecting the suitable composition of a non-ionic surface active agent and an anion active agent.

A method of processing input digital image data representing an image into output digital image data, comprising: providing (100) input image data; providing and initializing (200) a level set function representation for approximating the output digital image data; providing (300) a speed function; determining (400) a propagation direction trend map relating to image points of the level set function, said map comprising one or more trend directions associated with said image points so that each one of said image points has an associated trend direction; updating (500, 520) the level set function using the speed function and the propagation direction trend map, so that the speed function is excluded from contributing in the updating of the level set function in image points for which the speed of the speed function is not in the associated trend direction; and providing (700) the output digital image data based on the level set function. By the exclusion, propagation in a coherent manner is enabled and speed penalty owing to local wiggling as observed in conventional methods can be avoided.

The invention provides a resource regeneration recycling method of waste flat panel display screens. The resource regeneration recycling method comprises the following steps that (1) the waste flat panel display screens are smashed to obtain strips with the width of 1-10 cm; (2) the strips are rolled, so that glass adhered to polarizers are broken; (3) products after treatment in the step (2) aresubjected to acid leaching treatment, filtering is carried out, and thus an acid leaching solution and acid leaching residues are obtained; (4) the acid leaching solution in the step (3) is subjectedto extraction, zinc displacement and electrolysis, and metal indium and metal tin are separated and recycled; and (5) an alkaline solution is added into the acid leaching residues in the step (3) forheating soaking, separation is carried out to obtain a waste alkaline solution and residues, and the residues are subjected to separation treatment of glass fragments and the polarizers. According tothe resource regeneration recycling method of the waste flat panel display screens provided by the invention, metal components of the indium and the tin and the components of the glass and the plasticpolarizers in the waste display screens can be recycled separately, and the recycling rate of each component can be increased; and the process is simple, and the method is suitable for scale production.

The invention provides a preparation method of a fir nano fiber. The preparation method comprises the following steps: 1, boiling fir fibers in a boiling liquid to prepare paper pulp; 2, extracting the fir fibers, 3, preparing sodium chlorite solution, adding polyethylene friction blocks into the sodium chlorite solution, treating the fir fibers by the sodium chlorite solution; 4, treating the fir fibers with alkali solution to obtain purified cellulose; 5, preparing iron-ruthenium composite nano-particles; 6, preparing the iron-ruthenium composite nano-particles; 6, subjecting the purified cellulose to catalytic oxidation in the catalytic system comprising TEMPO, the composite nano-particles, sodium bromide and sodium hypochlorite; 7, carrying out a microwave heating reaction on the obtained cellulose suspension liquid under the condition of alternating magnetic field, subjecting the reaction product to washing and drying in vacuum to obtain the absolute dry oxidized cellulose fiber; 8 freeze-drying the suspension liquid to obtain a final product. The method disclosed by the invention is specially used for preparing the fir nano fibers, and the prepared fir nano fibers are very uniformly dispersed, and the nano fibers are low in mutual aggregation degree, high in production efficiency and good in product performance.

The invention discloses a multi-stage processing device for high-speed train seat parts, and belongs to the technical field of high-speed train seat production. The device comprises a device main body, a drilling table is fixedly connected to the lower surface of the inner wall of the device main body, and an exhaust fan is fixedly connected to the lower surface of the inner wall of the drilling table. According to the multi-stage processing device for the high-speed train seat parts, a heating mechanism, an electromagnet, a first hydraulic rod, a mesh box, a second hydraulic rod, a third hydraulic rod and a water storage box are arranged; through the cooperation of the mesh box and the water storage box, the parts can be directly cleaned after being drilled; through cooperation of the exhaust fan and the heating mechanism, the parts are directly dried after being cleaned; and through the cooperation of the electromagnet, the first hydraulic rod and the second hydraulic rod, the partscan be adsorbed and conveniently and directly moved into a spraying mechanism for spraying, so that the tedious process can be effectively reduced, the operation is convenient, and the processing efficiency is improved.

The invention discloses a full-automatic freshwater mussel shell opening and pearl picking method, and is based on a full-automatic freshwater mussel shell opening and pearl picking device which comprises a feeding mechanism, a station platform (1) and a plurality of clamping mechanisms (2), wherein the plurality of clamping mechanisms (2) are arranged on the station platform (1); the station platform (1) comprises a plurality of stations; the station platform (1) is rotated to drive the clamping mechanisms (2) to move to corresponding stations; the feeding mechanism is positioned at a first station A; a grinding tool (3) is arranged above a second station B; a shell opening cutter (4) is arranged above a third station C; and the tip of the shell opening cutter (4) faces downwards. By adopting the full-automatic freshwater mussel shell opening and pearl picking method, functions of clamping a freshwater mussel shell, opening the freshwater mussel, opening the shell of freshwater mussel, cutting off freshwater mussel meal, separating pearls and the like are integrated, each station has different procedures, and all actions can be performed under automatic conditions, so that the freshwater mussel shell opening and pearl picking efficiency can be improved, and potential safety hazards of manual processing can be eliminated.

The invention discloses a double-shaft transmission high-efficiency quail egg shell removing machine, and relates to the technical field of automatic shell removing machines. The double-shaft transmission high-efficiency quail egg shell removing machine comprises a feeding hopper, a shell removing device, a shell pressing device, a discharge fence and a machine frame, wherein the feeding hopper, the shell removing device, the shell pressing device and the discharge fence are sequentially and fixedly mounted on the machine frame; the shell removing device comprises two shell removing platforms;shell removing rollers are rotatably connected to each shell removing platform; first gears are respectively arranged on the two end surfaces of each shell removing roller; the shell pressing devicecomprises pressing plates and pressing shafts; the pressing plates are in rotating cooperation via through holes; driven shafts are rotatably connected between the shell removing device and the machine frame; second gears and first sprockets are arranged on the driven shafts; the circumferential side surface of each second gear is in meshing transmission with two first gears; and the other ends ofthe pressing shafts are in rotatable cooperation with limiting columns of main rotating shafts. According to the double-shaft transmission high-efficiency quail egg shell removing machine disclosed by the invention, through the effects of the shell pressing device and the shell removing device, the reciprocating position for pressing quail egg shells is stationary, so that each quail egg is subjected to the same deformation, and the double-shaft transmission high-efficiency quail egg shell removing machine has the advantages of being high in the egg white integrity rate of quail eggs of whichthe shells are removed, high in shell removing efficiency and high in shell removing degree.

The invention discloses a uniform heat conduction system for a jelly sealing machine and a temperature control method. The uniform heat conduction system comprises a fixing frame. A conveying belt isfixedly arranged on one side of the fixing frame. The edge portion of the top end of the fixing frame is provided with a shell placing block. A feeding groove is formed in a position, corresponding toone side of the shell placing block, of the top end of the fixing frame. The edge portion of top end of the fixing frame is provided with a sealing block. A heat conducting mechanism is fixedly arranged at the bottom end of the sealing block and comprises a hydraulic cylinder, a pressing plate, an oil outlet pipe, an oil via pipe, an oil pump, a through pipe, an oil pipe and a filtering box. According to the uniform heat conduction system for the jelly sealing machine and the temperature control method, through cooperation of the heat conducting mechanism, a cleaning mechanism, a dustproof mechanism and an energy-saving mechanism, optimization is conducted on the pressing plate and pressing block uniform heat conducting process, the heat recycling process and the sterilization process; and meanwhile, through a material collecting mechanism, the difficulty of collecting jelly products by workers is reduced, the sealing efficiency of the jelly sealing machine is effectively improved, and the jelly sealing machine is more efficient and energy-saving.

The invention discloses a preparation method of heavy metal ion adsorbent for a gasification process. A raw material of the adsorbent is single or mixed oil shale pyrolysis residue. The method comprises the following steps: (1) recycling various oil shale pyrolysis residues; (2) testing the characteristics of coal and the collected oil shale pyrolysis residues; (3) testing the adsorption capacity of the collected oil shale pyrolysis residues; and (4) obtaining the adsorbent recipes of different coals according to the characteristics of the coal and the adsorption capacity of the collected oil shale pyrolysis residues. The invention further discloses the gasification process. The gasification process comprises the steps of burning, pyrolyzing and gasifying the coal or biomass; the heavy metal ion adsorbent is added in a gasifying furnace in the gasification process, and the heavy metal ion adsorbent is single or mixed oil shale pyrolysis residue. The oil shale pyrolysis residues are used as the solid adsorbent of the gasification process, thereby realizing the integral purification of the organics and the inorganics in the furnace, the pollutant concentration is effectively lowered, the process water and the wastewater pollutant concentration are reduced.

The invention relates to a preparation method for a lead zinc niobate-lead titanate monocrystal. The preparation method comprises the following steps of: mixing raw materials of PbO, ZnO, Nb2O5 and TiO2 according to chemical composition (1-x)Pb(Zn1 / 3Nb2 / 3)O3-xPbTiO3PZN-PT, wherein x is mole fraction of PT in a solid solution system and is 0-1; mixing the raw materials of ZnO, Nb2O5 and TiO2 in a stoichiometric ratio, and ball-milling and sintering to obtain ZnNb2O6 with a niobite structure and a small amount of zinc niobium titanium oxide with a rutile structure; mixing PbO and sintering to obtain PZN-PT ceramic powder with a perovskite structure; mixing the PZN-PT ceramic powder and a fluxing agent for the growth of the crystal; processing a seed crystal according to crystal orientation (111) and (011); and growing the monocrystal, namely raising the temperature to the saturated growth temperature and reducing the temperature at a speed of 0.5 to 2 DEG C per hour, wherein the pulling speed of the monocrystal is 0.1 to 0.5 mm / h and the rotating speed of the monocrystal is 10 to 25 rpm, when the temperature is reduced to be between 900 and 1,030 DEG C, the crystal is separated from a melt solution and the monocrystal is obtained by reducing the temperature to room temperature at a speed of 50 to 100 DEG C per hour. The monocrystal has large size, high uniformity and obvious crystal appearance and is easy for directional process. The crucible can be reused, and smelting cost is reduced.

The invention relates to a household food waste treatment device. The household food waste treatment device comprises a water basin funnel (1). The bottom of the water basin funnel (1) is provided with a waste water channel (2) communicating with the inner cavity of the water basin funnel (1), and the side part of the water basin funnel (1) is provided with a waste channel (3) communicating with the inner cavity of the water basin funnel (1). A valve structure (4) is arranged between the inner cavity of the water basin funnel (1) and an inlet of the waste channel (3). A filtering structure (5)is arranged in the inner cavity of the water basin funnel (1). The filtering structure (5) is used for separation between waste water and waste in the household food waste. The valve structure (4) isused for controlling whether the inner cavity of the water basin funnel (1) communicate with the inlet of the waste channel (3) or not, so that whether the separated waste is discharged out from thewaste channel (3) or not is controlled. The household food waste treatment device allows kitchen garbage and waste water to be poured into the water basin together and rapidly separates out the kitchen garbage for centralized treatment, and therefore the household food waste treatment device achieves rapid putting, collecting and pouring of the kitchen garbage, saves the waste collecting time costfor people and improves life quality.

The invention relates to the technical field of shot blasting machines, and discloses a shot blasting recycling device applied to a shot blasting machine. The shot blasting recycling device comprises a rack and a screening cylinder fixedly arranged on the rack, the screening cylinder is provided with a feeding port used for inputting shot blasting materials, and a steel shot discharging port and a garbage discharging port are formed in the lower portion of the screening cylinder in an arrayed mode. A screening mechanism used for screening the shot blasting materials according to the particle size and outputting the shot blasting materials to the steel shot discharging port and the garbage discharging port in a classified mode is arranged in the screening cylinder. The shot blasting recycling device has the effects that the shot blasting materials are convenient to separate, and subsequent shot blasting cleaning and use are convenient.

The invention provides a preparation method and applications of a CuS catalyst having a three-dimensional layered structure. The preparation method comprises: uniformly mixing a sulfur source materialand copper foam according to a molar ratio of 4-20:1; under the protection of an inert gas, heating to a temperature of 300-600 DEG C at a heating rate of 0.5-20 DEG C / min, and carrying out a reaction for 1-20 h; and after completing the vulcanization reaction, cooling to a room temperature at a cooling rate of 0.5-50 DEG C / min. According to the present invention, the CuS catalyst having the three-dimensional layered structure is formed by using the copper foam as the precursor through the convenient one-step inert atmosphere temperature control vulcanization process, such that the existing CuS catalyst is modified, and the problems of poor circulation stability, difficult recycling and the like of the existing CuS catalyst are improved.