98results about How to "Solve the sticky problem" patented technology

The invention relates to conductive silver paste for a ceramic filter and a preparation method of the conductive silver paste. The conductive silver paste comprises the following components in parts by weight: 50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of an organic carrier, 1-3 parts of an organic additive and 1-10 parts of an organic solvent, wherein the glass powder is lead-free glass powder, the coefficient of thermal expansion is 110-120*10<-7>/DEG C, and the sintering temperature is 550-750 DEG C. The preparation method comprises the following steps: adding the organic carrier and the organic solvent into a mixer, adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring a mixture into a high-speed dispersionmachine, and uniformly dispersing at a high speed to obtain a conductive silver paste; and grinding the prepared conductive silver paste in a three-roller mill, and finely adjusting a roller to enable the fineness of the conductive silver paste to be less than 10mu m and the viscosity to be 30-50Pa.S, thereby obtaining the conductive silver paste for the ceramic filter. The conductive silver paste for the filter can form a conductive silver layer which is high in compactness, high in adhesive force, high in conductivity, good in weldability and stable in performance.

The invention relates to the technical field of stirring equipment, and especially relates to an asphalt regeneration roller and a method for preventing materials from being stuck on the roller internal wall. The asphalt regeneration roller comprise a roller body, a roller driving device, and a baking material combustor; the roller driving device is connected to the roller body to drive the roller body to rotate; and the baking material combustor is connected to the front end of the roller body and is used to heat the regenerated asphalt in the roller body. The asphalt regeneration roller also comprises a roller wall heating device, and the roller wall heating device is connected to the roller body and is capable of heating the wall of the roller body to a temperature at which the asphalt in the roller body can be converted into a fluid. In the conventional method, the materials stuck on the wall are removed by blades; while in the provided asphalt regeneration roller, a roller wall heating device is used to heat the inner wall of a dry roller so as to convert the stuck asphalt into fluid, thus the roller inner wall material sticking problem can be radically solved; the cleaning efficiency is high, the stable operation of the roller body can be guaranteed, and thus the production and maintenance costs are reduced.

The invention relates to a potato harvesting machine for hilly and mountains regions, and belongs to the field of agricultural harvesting machinery and equipment. An excavating device digs up soil andpotato mixtures; power is transmitted to a power transmission system through a power output shaft of a tractor, is outputted to drive shafts in a gear box to rotate, and is transmitted to a driving wheel through a chain to drive vibration separating devices to rotate; the primary vibration separating device is rotated to vibrate and separate the soil and potato mixtures which are then conveyed tothe secondary vibration separating device; potatoes with less soil are subjected to vibration separating again by the secondary vibration separating device, and then conveyed to a lateral conveying system. The potato harvesting machine has the advantages that the angle of the excavating device is adjusted through a hydraulic cylinder to achieve stepless angle adjustment; the two-stage vibration separating devices are applied to solve the problem of high soil stickiness of the hilly and mountains regions, and the separation frequency is high; the potatoes are piled up in strips through a lateral conveying device, the rate of visible potatoes is increased, and the potato burry rate and damage rate are decreased.

The invention discloses a composite solid sweetener, scientific compounding is carried out on sucralose and stevioside by adopting a physical method, one or a plurality of synergists in carriers and a small amount of an anti-caking agent are taken as auxiliary materials for preparation, and the composite solid sweetener mainly comprises three forms, namely, granules, powder and tablets, and comprises the following components according to parts by weight: 0.5-98 of sucralose, 0-3 of stevioside, 0-35 of maltodextrin, 0-80 of mannitol, 0-80 of isomalt, 0-80 of isomaltooligosaccharide, 0-1.5 of silicon dioxide, 0-20 of microcrystalline cellulose and 0-6 of magnesium stearate. The composite solid sweetener has the advantages of high sweetness, good taste, good stability, high safety, high temperature resistance, acid resistance and wide range of application.

The invention belongs to the field of preparation of heat sealing thin films, and particularly relates to a low-temperature heat sealing polyolefin thin film and a preparation method thereof. The low-temperature heat sealing polyolefin thin film comprises a corona layer, a core layer and a heat sealing layer from top to bottom, wherein the heat sealing layer is a composite material prepared from a PBE elastomer, metallocene linear low-density polyethylene, LDPE, nanosilicon dioxide and a smooth agent. According to the low-temperature heat sealing polyolefin thin film and the preparation method thereof, by the adding of the nanosilicon dioxide and the smooth agent into the heat sealing layer, the problem of adhesion caused by the adding of the PBE elastomer is solved, and the intensity and the stiffness of the thin film cannot be reduced; by the adding of the proper amount of LDPE, the processing flowability is improved; an elastomeric state drawing molding technology is combined with crystallite nucleation, so that the transparent polyolefin heat sealing thin film with ultralow start-sealing temperature and high heat sealing intensity is prepared.

The invention discloses a high-viscosity mortar cutting process for cutting a silicon chip and belongs to the technical field of cutting of a solar cell silicon chip. The high-viscosity mortar cutting process comprises the following steps: a, preparing mortar by adopting cutting fluid and green silicon carbide sand particles and continuously stirring to prevent sedimentation; b, separating high-density mortar and low-density mortar out of the mortar by a centrifugal separator and continuously stirring the separated high-density mortar and low-density mortar to prevent sedimentation; c, feeding the high-density mortar into a cutting seam to participate in cutting for single crystal cutting and using the low-density mortar for jetting chips in a knife edge after cutting so as to solve the problem of an adhesion phenomenon; d, recovering the high-density mortar and the low-density mortar which are used in the step c together and feeding the recovered high-density mortar and low-density mortar into centrifugal separator again for repeated use. According to the high-viscosity mortar cutting process, high-viscosity mortar can be used in the cutting of the silicon chip so as to promote cutting capacity of the silicon chip and improve a finished product ratio of products and working efficiency.

The invention provides a tunnel waterproof board bonding and laying process. The process comprises the following steps: step 1, treatment of the fundamental plane of a primary support; step 2, manufacturing of a water drainage blind pipe; step 3, laying of geotechnical cloth; step 4, annular bonding and laying of waterproof boards; step 5, lap-joint of edges of the waterproof boards; step 6, checking and local treatment; step 7, pouring of second lining; step 8, forming of a skin-type waterproof layer through concrete and self-adhesive glue. The major innovative point of the system is that the problem of adhesion between the waterproof boards and the geotechnical cloth is systematically solved by optimizing the formula of adhesive glue and the structure of the geotechnical cloth. The waterproof boards are bonded with the geotechnical cloth on the primary support through the adhesive glue; compared with a suspending and washer welding construction manner, the process has the construction characteristics of simplicity and rapidness; the coiled materials can be closely attached to the primary support, and the problem that a cavity is formed at the top of the secondary lining due to insufficient reservation of traditional coiled materials is solved well.

The invention discloses a high-efficient sticking-blocking resistant wear-resistant round roller screen which mainly comprises a screen frame, a screen plate, elastic brushes, brush plates, and the like. The screen plates are in arc shapes, are casted by wear-resisting steel, and are combined in parallel by a plurality of groups of screen teeth in a shape similar to a V shape, and screen cuts are striped arcs, are axially vertical to the roller screen, are in a shape similar to the V shape, and are gradually enlarged from the inside to the outside in size, therefore, the material is not easy to be blocked. One end of each elastic brush is in a spring shape, and the other end is in a straight line shape; during screening, the straight line ends of the elastic brushes extend into the screen cuts to clean off sticking and blocking material on the roller screen by stabbing, stirring and scraping and the like; the plurality of elastic brushes are regularly fixed on the arc-shaped brush plates through bolts and pressure pads, which ensures that each screen cut basically has a plurality of elastic brushes; and the brush plates can move horizontally, when the elastic brushed are worn seriously, the distance between every two brush plates can be adjusted horizontally to ensure that the elastic brushes are reused. The invention fundamentally solves the problems of material sticking and blocking in the process of material screening can completely overcome the defect that lump ore, coke, and the like stick and block screen pores due to high dust content, humid dust, and the like. The invention realizes the self-cleaning function of materials in the screening process, not only can screen out dust in the materials, but also can completely clear sticky materials away from the surfaces of the materials.

The invention relates to a preparation method of rice flour with the low strip breaking rate. The technological process of the preparation method comprises the steps of rice cleaning, soaking, grinding into thick liquid, adding chitosan and protein, adjusting the water content, steaming, flour mixing, extrusion molding, aging, re-steaming, cooling and product finishing. According to the preparation method, a chitosan and protein composite system is added in the preparation process of the rice flour, the chitosan and corn starch are fully mixed first then to be added to rice milk, and the problems of uneven dispersion and easy caking of the chitosan added to the rice milk are solved; and at the same time, due to cross-linking between chitosan molecules with hydrogen bonds of the chitosan molecules into a net structure, entanglement is high, a chitosan solution has a certain viscosity, when added to the rice flour, the chitosan solution can improve toughness of the rice flour, the stripbreaking rate is reduced, the cooking loss of the rice flour can be reduced, at the same time, the shelf life of the rice flour can be prolonged, and nutritional value of the rich flour is improved.

The invention provides and particularly relates to transfer platinum cat eye positioning paper and a preparation process thereof, and relates to the technical field of printing. The preparation process of the transfer platinum cat eye positioning paper comprises the following work procedures of a UV coating molding pressing work procedure, an aluminum plating work procedure, back glue and cuttingwork procedure, a compounding work procedure, a connecting line peeling and surface coating work procedure and a transverse cutting work procedure. The transfer platinum cat eye positioning paper comprises a bottom paper layer, a transfer glue water layer, a water-based back glue layer, a platinum cat eye aluminum plating layer and a water-based surface coating layer, wherein the transfer glue water layer, the water-based back glue layer, the platinum cat eye aluminum plating layer and the water-based surface coating layer are sequentially compounded onto the bottom paper layer. The aluminum layer of the paper prepared by the preparation process realizes the firm combination with the paper; the positioning precision is high; the problem of poor combination firmness of a UV layer and an aluminum layer of a conventional transfer process is solved; the process of only transferring the platinum cat eye aluminum layer and not transferring the UV coating is realized; in addition, the platinum luster is better than that of a film coating card; the efficiency is higher; the production cost is reduced; the application is not limited; the application of the platinum positioning paper in thepackaging industry can be greatly promoted.

The invention discloses an asphalt-based pre-coating waterproof system. A building surface to be pre-coated is used as a base surface and comprises a first modified asphalt layer, a base layer, a second modified asphalt layer, a protective layer and a functional layer in sequence from bottom to top; the protective layer is used for protecting an asphalt coating; the functional layer and post-castconcrete realize mutual adhesion of a body; the first modified asphalt layer and the second modified asphalt layer comprise the following components in parts by weight: 35 to 65 parts of asphalt, 5 to30 parts of a modifier, 15 to 30 parts of mineral powder, 0.01 to 0.1 part of a cross-linking agent, 0.01 to 0.1 part of a heat stabilizer and 0.01 to 0.1 part of a viscosity regulator; the modifiercomprises SBS, SBR, IIR and SIS. The protective layer and the functional layer take a polymer emulsion and a cement component as base materials, compounding of the same material is ensured, the integrity is good, a cement-based sand-containing coating layer is used as the functional layer, the weight ratio of the polymer emulsion to the cement component to graded sand is optimized, bonding with apost-cast concrete body is achieved, the bonding effect is remarkably improved, and the waterproof effect is more reliable.

The invention provides a processing method for a packing tape with better user experience. No right-angled corners are available at the upper and lower ends of a produced tape, so that a user is not cut, and meanwhile, the end face of a tape coil is not sticky, so that the tape is more convenient to take and use. The processing method comprises the following main steps: adding a tape raw material acrylic acid into an emulsification tank for emulsification; then putting the emulsified raw material into a reaction pot to be heated to prepare glue; then adding the glue into a coating machine; mounting a plastic thin film coil on the coating machine and smearing the glue to a plastic thin film through the coating machine to prepare a mother coil; pipe-cutting the mother coil through a pipe cutter; stripping the successfully pipe-cut tape through a stripping machine to obtain coils of tapes; polishing the upper and lower inner corners of a paper element of the stripped tape by using a polishing machine; polishing the right-angled corners with the inner corners to bevels or arc-shaped faces; and uniformly adhering paper element powder left when the right-angled corners are polished to the end face of the tape coil of the tape to prepare a finished product packing tape.

The invention discloses a solid fermentation culture method of paecilomyces lilacinus, and belongs to the technical field of bioengineering. The invention discloses a solid fermentation culture method of paecilomyces lilacinus. The solid fermentation culture method comprises the following steps: test tube activation of paecilomyces lilacinus, preparation of a primary seed solution of paecilomyces lilacinus, preparation of a secondary seed solution of paecilomyces lilacinus, and solid fermentation culture of paecilomyces lilacinus. According to the invention, millet and rice are used as main culture materials; the acidity and a nitrogen source of a fermentation culture medium are adjusted through a corn steep liquor paste acidic material; the material viscosity in the fermentation culture process is reduced by adding white carbon black and silicon dioxide superfine water retention materials; the content of live bacteria in paecilomyces lilacinus cultured in a foam box is very high; the prepared microbial inoculum is high in purity; the subsequent preservation survival rate of the microbial inoculum is high; and the field application effect in several years is very good.

The invention provides a metoprolol tartrate sustained release tablet. The metoprolol tartrate sustained release tablet is prepared from the following components in percentage by mass: 100 of metoprolol tartrate, 60-80 of retardant, 20-40 of filling agent, 2-10 of lubricating agent, 50-90 of adhesive and 2.5-4 of film coating powder. Aiming at the problem that adhesive brewing is easily caused in production because the metoprolol tartrate is easy to dissolve in water, the invention provides a two-step granulation method comprising the steps of respectively preparing medicine contained granules and blank granules, drying the medicine contained granules and the blank granules, totally mixing the medicine contained granules and the blank granules and tabletting, so that the problem of adhesive brewing in tabletting is solved. In addition, the metoprolol tartrate is strong in moisture absorption property and bitter in taste, and a coating layer can be used for improving the stability of the metoprolol tartrate and masking the bitter taste of the metoprolol tartrate. The metoprolol tartrate sustained release tablet has the advantages that the components of the auxiliary materials are simple, the operation is convenient, the prepared granules are good in flowability, strong in adhesive resistance and incapable of causing adhesive brewing during tabletting, and the coating layer can be used for improving the stability of a drug and masking the bitter tastes of active ingredients and has no affect to the release rate of the tablet. The metoprolol tartrate sustained release tablet is suitable for industrial production and relatively high in application value.

The invention relates to a double-sided printing method for a plastic film. The method includes the steps that (1) a first surface of the plastic film is subjected to online corona treatment; (2) a second surface of the plastic film is subjected to printing treatment; (3) after the printing treatment, the second surface of the plastic film is subjected to adhesion prevention and barrier treatment;(4) the plastic film is overturned, so that the first surface of the plastic film is to be printed; and (5) the first surface of the plastic film is subjected to printing treatment and precisely aligned at printed images of the second surface. According the double-sided printing method for the plastic film, a traditional gravure inner printing technology is broken, and by adoption of overturningprinting technology through a gravure printer, precise alignment of printed images on the positive and negative surfaces is completed; through the online corona treatment, the synchronism of corona and printing and the stability of corona are greatly ensured; and through online coating adhesion prevention and barrier materials, the problem of ink adhering back is solved without affecting the strength of the composite.

The invention belongs to the technical field of production of chain sleeve materials, and particularly relates to a continuous type phosphating production process of a sleeve material. The invention discloses a packaging continuous type phosphating production process of a flat filament. The continuous type phosphating production process comprises the following steps: A: releasing; B: hardening and tempering; C: clarifying water, namely the flat filament taken out of a hardening and tempering tank enters a clear water tank for cleaning, the cleaned flat filament is subjected to immersion cleaning twice by using clear water, and the clear water inside the clear water tank is kept overflowing; D: saponifying, namely the flat filament passes through the clear water tank and then enters a saponification tank for saponification, a heating steam pipe is arranged at the bottom inside the saponification tank, the clear water tank is divided into a plurality of working areas, and the clear water tank is internally provided with a temperature sensor; and E: winding. According to the continuous type phosphating production process disclosed by the invention, the continuous type phosphating production process of the sleeve material can be optimized and improved, so that the integral phosphating production process realizes the automatic production.

The invention relates to a light-sensitive Zr-B-Si-C ceramic precursor and an in-situ preparation method thereof. The method comprises the following steps: uniformly mixing methylvinyldichlorosilane and a borane dimethyl sulfide complex, and then adding metal sodium for dechlorination to obtain methylvinyl borosilane; uniformly mixing chloromethyltrichlorosilane, methylchloromethyldichlorosilane and bis(cyclopentadienyl)zirconium dichloride, then adding metal magnesium to carry out a first heat preservation reaction, and then adding a reducing agent to carry out a second heat preservation reaction to obtain polyzirconocarbosilane; uniformly mixing methylvinyl borosilane and polyzirconocarbosilane to obtain vinyl Zr-B-Si-C alkane; and uniformly mixing the vinyl Zr-B-Si-C alkane with mercaptopropionate, and then adding a photoinitiator to initiate a polymerization reaction to prepare the ceramic precursor. The problems of high viscosity, high thermal stress, structural member mechanicalproperty attenuation and the like of a traditional photocuring system are solved, and a high-quality raw material is provided for photocuring 3D printing of an ultrahigh-temperature ceramic structuralmember.

The present invention relates to acerola cherry tabletted candies and a preparation method thereof. The candies consist of cherry powder, an excipient, a sweetening agent, an adhesive and a lubricant; the acerola cherry tabletted candies specifically comprise 25-33.35% of acerola cherry powder, 28.6-29.3% of sorbitol, 15-25% of microcrystalline cellulose, 1-8% of D-mannitol, 0.1-1% of stevioside, 10.65-20% of blueberry powder, 0.01-0.05% of sucralose and 0.3-1% of magnesium stearate. The tabletted candies are obtained by adopting the technologies of sieving, weighing, premixing, total mixing and direct pressing. The acerola cherry tabletted candies are simple in preparation process, stable in hardness, friability and taste, have blueberry flavor, are moderate in sourness and sweetness and convenient to eat, and have the beneficial effects of enhancing immunity, improving skin state, whitening, regulating intestinal flora and the like.

The invention relates to the field of pharmaceutic preparations, in particular to a metoprolol tartrate tablet and a preparation method thereof. The provided metoprolol tartrate tablet is prepared from, by weight, 0.45-0.56 part of metoprolol tartrate, 0.2-0.4 part of lactose, 0.5-0.7 part of microcrystalline cellulose, 0.02-0.04 part of povidone K30, 0.06-0.12 part of sodium carboxymethyl starch,0.008-0.012 part of colloidal silicon dioxide and 0.016-0.024 part of magnesium stearate. The formula of an existing metoprolol tartrate tablet is optimized, and it is accidentally found that under the condition of not needing to add resin, surprisingly technical effects on overcoming sticky dissolution and dissolution rate are achieved.

The invention provides a profiling stripping structure applied to die opening engineering of a U-shaped workpiece drawing die. According to the structure, skirt edges are arranged on the two sides ofthe width direction of a U-shaped workpiece, the profiling stripping structure comprises a profiling stripping mechanism arranged on a lower die mechanism, wherein the profiling stripping mechanism comprises an upward ejection driving part and a profiling stripping block, the profiling stripping block is located in a preset space in a male die of the lower die mechanism in an initial state, a driving shaft of the upward ejection driving part is connected with the profiling stripping block, the driving shaft is of a V-shaped bending structure, and the upward ejection driving part drives the profiling stripping block to move upwards and ejects the U-shaped workpiece in the direction deviated from a male die of an upper die mechanism during die opening. Compared with the prior art, the structure can be used for effectively solving the problem that an ejection block damages the skirt edges during auxiliary stripping, so that the product yield is improved.

The invention relates to the technical field of stirring equipment, in particular to an aggregate drying drum and a drying method. The aggregate drying drum for a dry-mixed mortar production line comprises a rotating cylinder and a lifting blade arranged on the inner wall of the rotating cylinder, and further comprises an aggregate scattering device, wherein the aggregate scattering device comprises a support component and multiple bent blades; the multiple bent blades are uniformly distributed on the peripheral section of the rotating cylinder by the support component; and each bent blade performs holding and lifting actions along with the rotation of the cylinder, so that the peripheral section of the whole rotating cylinder is uniformly distributed with curtains. The aggregate drying drum enables aggregate moisture to be quickly reduced, quickens the temperature rise to prevent materials from being bonded on the drum, improves the use effect of subsequent lifting blades, radically solves the problem of bonding the materials on the drum, improves the curtain effect in the drum, improves the heat efficiency of the drum, and can reduce the heat source consumption.