31results about How to "Stable production process" patented technology

The invention discloses a heterocyclic aramid segmented copolymer containing a PBO structure as well as a preparation method and application of the heterocyclic aramid segmented copolymer, the mechanical property of heterocyclic aramid fibers can be greatly improved, a polymer liquid spinning production process is stable, and the problems that PBO polymer liquid spinning production is difficult and large-scale continuous production cannot be realized are solved. The market application field is expanded while the performance of the heterocyclic aramid fiber is improved. The method has important significance on the development of the heterocyclic aramid fiber manufacturing industry and even the whole high-performance organic fiber manufacturing industry.

The invention provides a method for separating phenol substances from phenol-containing coal tar, which comprises the following steps: rectifying the phenol-containing coal tar to obtain various phenol oil mixtures containing different phenol distributions, and separating various phenol products from various dephenolized phenol oils in different distillation ranges by adopting a proper separation means to obtain the phenol substances. And high-quality phenol products with different high purities are obtained. The method disclosed by the invention can be used for separating and utilizing phenol products and oil products to the greatest extent, and has good industrial application value and economic value.

The invention discloses a production method of hexachlorotrisiloxane. Production devices mainly comprise a reaction synthesizer, a condensation system, a rectification system, a final-stage condensation system and a storage system. The method comprises the following steps: reacting raw materials silicon tetrachloride and primary alcohol according to a certain ratio under the catalytic action of a boron Lewis acid catalyst in an environment that the reaction temperature is controlled to be 650-800 DEG C and the reaction pressure is controlled to be 0.6-0.8 MPa to obtain a mixed gas of hexachlorotrisiloxane and a by-product; and the high-purity hexachlorotrisiloxane is obtained after cooling of the condensation system and separation of the rectification system. The invention breaks through the blank of the production process of the hexachlorotrisiloxane in China, thereby eliminating the dependence of the demand of the hexachlorotrisiloxane product in China on foreign import, providing a stable production process, expanding the productivity of the hexachlorotrisiloxane, and realizing the production of the high-purity hexachlorotrisiloxane product. The problems of high-end industries in China are solved, and sustainable development of related industries in China is promoted.

The invention provides a short-fiber carbon-ceramic composite material brake disc and a preparation method thereof, and belongs to the field of brake discs. The short-fiber carbon-ceramic composite material brake disc is prepared from the following raw materials in percentage by weight: 45-70% of modified short carbon fibers, 1-5% of boron carbide, 3-10% of an adhesive, 2-8% of kaolin, 2-5% of boron nitride, 2-5% of aluminum nitride, 2-6% of carbon black, 2-6% of graphite, 1-5% of a modified dispersant, 1-3% of sodium carboxymethyl cellulose, 1-3% of ethanolamine, 1-4% of sucrose fatty acid ester, 2-6% of nitrile rubber powder and 8-20% of an organic solvent. According to the short-fiber carbon-ceramic composite material brake disc and the preparation method thereof, the high temperature resistance and thermal shock resistance of the carbon-ceramic brake disc can be further improved while the manufacturing period is shortened, the production efficiency is improved and the production cost is reduced, the wear-resistant consistency of the carbon-ceramic brake disc is improved, and the effective service life of the carbon-ceramic brake disc is effectively prolonged.

The invention relates to a mycobacterium tuberculosis vaccine, in particular, the vaccine comprises an immune composition, and the immune composition comprises an antigen component and a granular protein component. The granular protein component comprises nano-granular protein, and the antigen component and the granular protein component are covalently bound through a binding peptide 1 and a binding peptide 2 to form an immunogenic complex. The cell immunogenicity and the antibody immunogenicity of the vaccine are excellent. The invention also discloses a preparation method of the mycobacterium tuberculosis vaccine.

The invention relates to the technical field of preparation of aluminum alloy strip new energy battery water-cooling plates, in particular to a preparation process for preparing a 3003M aluminum alloy new energy battery water-cooling plate. Comprising the steps of smelting, turning down, cast rolling and cold rolling. The 3003 + Zn alloy strip is produced by using an electrolytic aluminum liquid direct continuous casting and rolling process technology through improving components, the high-performance and high-quality 3003M aluminum alloy new energy battery water-cooling plate is obtained, a stable production process is determined, and a guarantee is provided for controlling the accuracy of parameters in all links of production; according to the 3003M aluminum alloy new energy battery water-cooling plate prepared through the method, the tensile strength ranges from 165 Mpa to 185 Mpa, the yield strength ranges from 65 Mpa to 100 Mpa, the ductility ranges from 15% to 35%, the user requirements are met, and the problem that an aluminum alloy strip for a new energy automobile battery water-cooling plate is prepared through a continuous casting and rolling technology instead of an existing method is solved.

This invention relates to the field of pesticide technology, specifically to a fungicidal composition, its preparation method, and its uses. The invention provides a fungicidal composition comprising an active ingredient, a first functional component, a second functional component, and an adjuvant; the active ingredient comprises fluthiazopyrone and cyazofamid; the first functional component comprises at least one selected from silica, titanium dioxide, and zinc oxide; the second functional component comprises at least one selected from citric acid, acetic acid, benzoic acid, urea, and triethanolamine. By introducing specific first and second functional components, this invention synergistically works with the active ingredient, effectively overcoming the key defects of fluthiazopyrone's easy photodegradation and cyazofamid's easy hydrolysis, thus improving the stability of the compound formulation; while ensuring the excellent control efficacy and resistance management advantages of both against oomycete diseases such as grape downy mildew, it extends the duration of action and weather resistance of the agent, providing a more stable, efficient, and long-lasting solution for field application.

The present application relates to a crystal form of a compound of formula (I) and a preparation method and application thereof. Specifically, the present application provides a crystal form of a compound of formula (I), which has good stability, good drug efficacy, and good safety, and can be used for preparing a drug for treating or preventing feline transmissible enteric disease virus infection or coronavirus infection caused diseases.

The invention discloses a method for purifying a toxoplasma gondii recombinant antigen, which comprises the following steps: selecting a full-length sequence of a toxoplasma gondii surface antigen SRS3, connecting the full-length sequence with a carrier through enzyme digestion to form plasmids, performing mass expression in escherichia coli, sequentially performing ultrasonication and centrifugation to collect cell supernatant, and performing deep filtration; the specific affinity chromatography column is coupled with an IgG subtype antibody obtained by hybridizing splenocytes and myeloma cells of a BALB / c mouse infected with toxoplasma gondii through a hybridoma technology. And through affinity chromatography purification, the toxoplasma gondii antigen protein with relatively high purity is finally obtained. According to the method, the toxoplasma gondii recombinant antigen can be stably and effectively purified from the cell supernatant. The method provided by the invention has the advantages of high extraction purity, simple process, capability of realizing one-step purification, stable antibody and the like, and has important significance for realizing purification of the toxoplasma gondii recombinant antigen.

The invention discloses an inflatable continuous foaming device and a foaming method thereof.The inflatable continuous foaming device comprises a machine barrel, a screw screwed in the machine barrel, a foaming box connected with the machine barrel, an air injection mechanism and a heating mechanism, the screw comprises a rod body and threads spirally distributed on the rod body, a feeding port is formed in one end of the machine barrel, and a foaming outlet is formed in the other end of the machine barrel; the machine barrel is divided into a softening section, a melting and mixing section, a first foaming section and a second foaming section from a feeding port to a foaming outlet, a material pushing space formed between threads of the screw and the machine barrel is gradually enlarged from the feeding port to the foaming outlet according to sections, and injection ports are formed in the positions, corresponding to the melting and mixing section, the first foaming section C and the second foaming section, of the machine barrel. The injection port is connected with the gas injection mechanism, high-pressure gas permeates into the foaming material and diffuses into the foaming box, the foaming box is divided into a pressure relief expansion section and a forming section, an inlet of the pressure relief expansion section is communicated with the foaming outlet, the diameter of the pressure relief expansion section is larger than that of the foaming outlet, and the diameter of the forming section is larger than that of the pressure relief expansion section.

A method for producing low-alloy high-strength steel with a plate width of ≥1800mm: conventional hot rolling and hot rolling plate surface convexity; pickling; cold rolling using five stands, refining the group spacing according to the thickness of the finished product and controlling the cold rolling reduction rate; continuous annealing; flattening. The present invention not only has a strip width of ≥1800mm, but also has a stable production process, the qualified rate can be increased from the current 40% to more than 80%, the tensile strength is ≥360MPa, and the performance meets the needs of users.

The utility model relates to a disposable front end type self-destruction syringe, which belongs to the field of medical instruments and comprises a core rod (1), an outer sleeve (2), a dovetail type metal snap ring (3), a piston (4), a needle head (5) and a protective sleeve (6), a plurality of self-destruction slopes can be arranged on the front section of the core rod (1), the self-destruction slopes face the direction of the piston (4), the self-destruction slopes and the core rod (1) form a fixed area, a retreat limiting thorn is arranged on the dovetail type metal snap ring (3), and the needle head (5) is arranged on the outer sleeve (2). The retreat limiting thorns are arranged on the two sides of the dovetail type metal clamping ring (3) and can make contact with the interior of the outer sleeve (2), the core rod (1) is locked after self-destruction activation or injection is finished, the core rod (1) is forcibly pulled out, the retreat limiting thorns can pierce the outer sleeve (2), and the self-destruction purpose is achieved. The self-destruction device is convenient to operate, reliable in self-destruction characteristic, simple in structure and low in cost.

The invention discloses a high-generation float glass kiln and a melting process, and relates to the technical field of glass manufacturing. The kiln comprises a melting part and a clarification part which are connected in sequence. The width of the clarification part is smaller than that of the melting part, and a kiln sill is arranged between the clarification part and the melting part; a plurality of electrodes A are arranged on the pool wall and / or the pool bottom of the melting part and a plurality of firing gun holes are arranged on the breast wall for installing firing guns; the clarification part and the melting part are separated by the kiln sill, and during the melting process, the liquid flow which is mainly in the silicate formation and glass formation process is controlled in the melting part, and the liquid flow which is in the clarification process is controlled in the clarification part; the batch material is preliminarily melted in the melting part, and the pre-melted glass liquid enters the clarification part through the kiln sill for high-temperature clarification, and then enters the channel through the liquid flow hole for graded homogenization and cooling, so that the electronic display glass melting without a platinum channel can be realized, and the service life of the kiln and the glass liquid melting effect are greatly improved.

A method for producing dual-phase steel with a plate width of ≥1800mm: conventional hot rolling and hot rolling plate surface convexity; pickling; cold rolling using five stands, refining the group spacing according to the thickness of the finished product and controlling the cold rolling reduction rate; continuous annealing; flattening. The present invention not only has a strip width of ≥1800mm, but also has a stable production process, the qualified rate can be increased from the current 40% to more than 75%, the tensile strength is ≥500MPa, and the performance meets the needs of users.

The invention discloses a plastic floor made of polypropylene and a preparation method thereof, the floor is composed of a plurality of floor units, each floor unit is composed of a surface UV coating, a PP transparent wear-resistant layer, a hot melt adhesive film layer, a PP printing decoration layer, a middle layer and a PP composite backing material layer, the hot melt adhesive film layer is made of one or more of EVA, PA, PES, PO and TPU, and the PP composite backing material layer is made of polypropylene. And the hot melt adhesive film layer is manufactured into a single layer through hot-pressing lamination or is directly coated on the back surface of the PP transparent wear-resistant layer. The hot melt adhesive film layer adopted by the floor is independently customized and purchased, the back face of the PP transparent wear-resistant layer can be coated with hot melt adhesive, production can be conducted through traditional hot pressing, multi-layer hot attaching, extrusion re-attaching and other technologies, machining operation is convenient, attaching of all the layers is very firm, and compared with an existing PP plastic floor in the market, the floor has the advantages that the floor is more attractive, and the floor is more environmentally friendly and free of pollution. The product manufacturing cost is lower, the production process is mature and stable, the production efficiency and the yield are high, and large-batch production can be achieved.

The invention discloses a selenium-enriched yeast production method which comprises the following steps: S1, preparing nutrient components of a culture medium: preparing a nutrient solution with the selenium concentration of 3000mu g / ml and the pH value of 4.8-6.8 from selenite, white sugar, purified water and amino acid according to a certain ratio; s2, preparing a saccharomycetes culture medium: adding 0.5-5% of dry saccharomycetes into the nutrient solution prepared in the step S1 at 28-30 DEG C, and activating to obtain the saccharomycetes culture medium; s3, preparing selenium-enriched saccharomycetes: performing dough kneading on flour and the saccharomycetes culture medium obtained in the step S2 according to a certain proportion, and performing fermentation to obtain the selenium-enriched saccharomycetes; and S4, fermenting: adding the selenium-enriched yeast obtained in the step S3 into a nutrient solution in sequence according to a certain proportion, stirring, adding flour, kneading dough, sealing and fermenting, and repeatedly kneading and sealing and fermenting the dough after sealing and fermenting for a plurality of times. The selenium-enriched yeast production method is simple, high in efficiency and environment-friendly.

The present invention relates to a hot-pressed PVC floor and a preparation method thereof. The hot-pressed PVC floor comprises the following components, in parts by weight: 20 to 33 parts of modified PVC resin, 10 to 20 parts of modified glass fiber, 3 to 5 parts of diphenyl isooctyl phosphate, 5 to 10 parts of plasticizer, 5 to 8 parts of stabilizer, 20 to 30 parts of filler, 2 to 3 parts of internal lubricant, 2 to 3 parts of external lubricant, 3 to 5 parts of polyvinyl alcohol, 3 to 10 parts of processing aid, and 1 to 2 parts of antioxidant. During preparation, the raw materials are put into an extruder according to the ratio, and the extruder is extruded and hot-pressed to form, and then the PVC floor substrate and the wear-resistant layer are hot-pressed. The hot-pressed PVC floor of the present invention has good stability, good impact resistance, high temperature resistance, deformation resistance, aging resistance and good flame retardancy.

The invention relates to the technical field of carbon dioxide capture, in particular to a carbon dioxide enrichment device under pure oxygen combustion. The device comprises a decomposing furnace and an air combustion mechanism, a gas injection port is formed in the bottom of the decomposing furnace; the air-fuel mechanism comprises an air-fuel shell and a pure oxygen air distributor, an air-fuel chamber is arranged in the air-fuel shell, and an outlet of the air-fuel chamber is communicated with the fuel gas injection port; the pure oxygen air distributor is arranged at the bottom of the air combustion chamber, an inlet of the pure oxygen air distributor is used for inputting oxygen, and the pure oxygen air distributor is provided with a plurality of outlets which are distributed at intervals in the circumferential direction and communicate with the air combustion chamber. The arrangement of the pure oxygen air distributor enables oxygen to enter the decomposing furnace in a dispersed mode, so that the oxygen can make full contact with pulverized coal and raw materials, and the combustion efficiency and the decomposing effect of the raw materials are improved. Oxygen sprayed out of the pure oxygen air distributor forms a spouting air cushion layer at the bottom of the air combustion chamber, high-temperature powder can be prevented from being deposited at the bottom of the air combustion chamber, meanwhile, airflow can penetrate through sintered particles, and it is guaranteed that the production process can be stably carried out.

The utility model provides a corrugating machine tooth type corrector, which relates to the technical field of corrugating machines and comprises a main plate, an inner cavity is arranged in the main plate, a movable plate is arranged in the inner cavity, a first motor is arranged at one end of the movable plate, and the output end of the first motor penetrates through the movable plate and is fixedly provided with a first axis. Through operation of a second motor, a screw rod can be driven to rotate, a moving plate is made to ascend and descend under limiting of a limiting column, accordingly, a corrugated roller can be driven to ascend and descend, the distance between the corrugated roller and a corrugated ferrule is adjusted, and the effect of first-layer correction is achieved, through operation of a fourth motor, a driving plate can be driven to rotate, and the effect of second-layer correction is achieved. And through detection of the detector, when the tooth shape outside the corrugated ferrule is matched with the tooth shape outside the corrugated roller, the fourth motor stops running, so that the corrugated ferrule and the corrugated roller can stably perform production treatment, and the effect of two-layer correction is achieved.

The invention relates to the technical field of real silk fabric treatment, in particular to a processing technology of a machine-washable high-color-fastness real silk fabric. The process comprises the steps of fabric pretreatment, fabric dyeing, fabric bath color fixation, fabric soaping neutralization, drying by a setting machine, anti-ash-damage finishing and washing and ironing. In the process, particularly fabric bath color fixation: a color fixation solution is added into a beam cylinder, the temperature of the color fixation solution is increased to 55-65 DEG C firstly, then an auxiliary color fixing agent is added into the beam cylinder, the concentration of the auxiliary color fixing agent is 0.5-1 g / L, heat preservation is conducted for 20-40 min, and then the solution is directly discharged without cooling. The production process disclosed by the invention has the characteristics of simplicity, stability and high efficiency; after the mulberry silk fabric is processed through the processing technology, the dye fastness can be greatly improved, the problems that the mulberry silk fabric is fuzzed and damaged by dust and is unstable in size in the follow-up taking and machine washing process are solved, the machine washable standard is really achieved, the service life of high-grade mulberry silk is prolonged, and the application field of the mulberry silk in spinning is widened.

The invention discloses a nitrogen removal agent for low-nitrogen metal manganese ingot production and a preparation method thereof, relates to the technical field of metal material processing, and aims to solve the problems that in the current low-nitrogen metal manganese ingot processing process, the nitrogen content in a metal manganese ingot is increased, and the nitrogen removal effect is poor due to the fact that the low-nitrogen metal manganese ingot and nitrogen in the environment are easily subjected to a combination reaction. The silicon nitride slag remover comprises a reducing agent and a slag remover, the reducing agent reacts with nitrogen in air to generate a new nitride when the liquid manganese water is heated to 1300 DEG C or above, and the slag remover can adsorb silicon nitride on the surface of the manganese water and form a protective film on the surface of the manganese water. According to the nitrogen removal agent and the production process thereof, the nitrogen content in the metal manganese ingot can be remarkably reduced, a dual-action mechanism is adopted, it is ensured that the nitrogen content of the metal manganese ingot is effectively controlled in the whole production process, and therefore the quality of the metal manganese ingot is improved; therefore, the requirements on low-nitrogen metal manganese ingots in the industries of steel, nonferrous metals and the like can be better met.

The invention discloses a method for purifying rocuronium bromide. The method comprises the following steps: reacting a rocuronium bromide crude product with alkali metal bromine in dichloromethane, filtering, mixing the filtrate with methyl tert-butyl ether, and separating out a solid. The method can effectively control the chloride ion residues in rocuronium bromide, and has a good application prospect in industrial production of rocuronium bromide.

A temperature control system and method for a continuous graphitization furnace, comprising a first temperature sensor (9) for detecting the inlet water temperature of cooling water; a second temperature sensor (8) for detecting the outlet water temperature of cooling water; a cooling water flow meter (7); a first weighing mechanism (3) for measuring the feed amount of the continuous graphitization furnace; a second weighing mechanism (5) for measuring the discharge amount of the continuous graphitization furnace; a third temperature sensor (2) for measuring the temperature of the feed material; a fourth temperature sensor (4) for measuring the temperature of the discharge material; an intermediate frequency power supply controller (10); an infrared temperature measuring instrument (6) for measuring the temperature in the furnace; a PLC (11) for collecting real-time data of each temperature sensor, flow meter, first weighing mechanism, second weighing mechanism and infrared temperature measuring instrument, and controlling the output load power of the intermediate frequency power supply controller (10); the PLC (11) calculates and controls the output load power of the intermediate frequency power supply controller (10) according to the collected data.

The invention relates to an ultra-thick, ultra-high-strength steel for large-scale hydropower engineering and a manufacturing method thereof. The chemical components of the steel are C: 0.10%-0.15%; Si: 0.06%-0.10%; Mn: 0.90%-1.50%; P≤0.008%; S≤0.001%; ​​Ni: 1.75%-2.4%; Cr: 0.55%-0.75%; Mo: 0.75%-1.2%; Ti: 0.07%-0.11%; N: 0.015%-0.025%; CeO2: 0.10%-0.20%; Al: 0.02%-0.04%; [H]≤1.5ppm; [O]≤8ppm; the remainder is Fe and impurities. The steel is designed with low carbon, low manganese, Ni+Cr+Mo+Ti low alloying composition, combined with electroslag remelting + rolling + offline tempering heat treatment process, and utilizing the grain refinement effect of high melting point Ti (CN) and CeO2 to achieve high permeability rolling production of thick electroslag billets, and finally obtain ultra-thick and ultra-high strength steel plates with a grain size of 7.5 or above, a thickness of 110 to 160 mm, and 1000 MPa.

This invention discloses a time-release, slow-release, blood sugar-controlled compound cereal nutritional powder, its preparation method, and its applications, belonging to the field of functional cereal food technology. It comprises: 10-15 parts of fast-phase particles, 35-45 parts of slow-phase gradient-degrading gel microspheres, and 30-40 parts of complementary-phase particles; each is an independent particle form, and after oral administration, they act sequentially during gastrointestinal digestion: the fast-phase particles first contact the digestive juices, releasing a small amount of rapidly energy-providing dextrin within 5-10 minutes and stimulating the satiety center; the slow-phase gradient-degrading gel microspheres then gradually degrade, continuously releasing carbohydrates 1-3 hours after a meal; the complementary-phase particles begin to degrade 3 hours after a meal, supplementing energy supply in the late postprandial period; thus, they synergistically achieve stable blood sugar control throughout the postprandial period. This invention can match the insulin secretion window to control blood sugar, precisely delaying energy release to avoid late postprandial hypoglycemia, and achieving stable blood sugar control throughout the postprandial period.

The utility model provides an assembling jig for a vacuum pump, which belongs to the technical field of jigs and comprises a vertical connecting rod, a fixing plate horizontally sleeved at the upper end of the connecting rod, fixing holes formed in corners of the fixing plate, a longitudinal bottom plate horizontally arranged at the lower end of the connecting rod, barrier strips arranged on the front side and the rear side of the connecting rod, one ends of the two barrier strips are respectively connected with the bottom plate, and the other ends of the barrier strips are respectively connected with the connecting rod. The assembling jig for the vacuum pump solves the problems that an existing jig is generally complex in structure, high in maintenance cost, inflexible in operation, low in efficiency, inconvenient to assemble and inconvenient to carry, and the assembling jig for the vacuum pump has the advantages of being simple in structure, convenient to operate, high in practicability and the like. And meanwhile, the problem that precise devices in the pump body are easy to damage or deform in the process of assembling the vacuum pump is solved.

The utility model relates to smelting furnace technical field discloses a kind of temperature measuring fixed anti-deviation devices of smelting furnace;Including furnace body and support frame, the support frame is fixed in the one side of the furnace body by bolt, the inner wall of the support frame is fixed with heat shield, and the one side of the support frame is provided with mounting assembly;Driving assembly is set to the one side of the support frame, the utility model can be convenient to clamp and fix thermocouple when temperature measurement, temperature measurement is conducive to operator to control smelting furnace temperature, can let the temperature in furnace keep in proper range, prevent because temperature inaccuracy leads to smelting furnace overburning or temperature is too low, and then stabilize production process, reduce defective and waste production, by setting first gasket, second gasket and third gasket can be convenient to reduce the vibration generated by furnace body, improve the stability of clamping work.

The invention discloses an anti-pre-crosslinking silane crosslinking low-smoke halogen-free polyolefin insulating material and a preparation method thereof, the insulating material is composed of a material A and a material B according to a weight ratio of 25: (4-6), the material A is prepared from the following raw materials in parts by weight: 40 to 60 parts of ethylene-vinyl acetate copolymer, 10 to 20 parts of polyethylene, 10 to 30 parts of maleic anhydride graft, 120 to 160 parts of flame retardant, 1 to 2 parts of lubricant, 0.5 to 1 part of composite antioxidant and 0.05 to 0.1 part of organic tin; the material B is prepared from the following raw materials in parts by weight: 50 to 80 parts of an ethylene-vinyl acetate copolymer, 20 to 40 parts of a maleic anhydride graft, 1 to 2 parts of methylsilane, 0.3 to 0.5 part of a peroxide initiator, 0.5 to 1 part of a composite antioxidant and 0.5 to 1 part of an anti-pre-crosslinking agent. Through a reasonable raw material ratio and an optimized production process, the insulation material has certain cost benefits while maintaining excellent performance; compared with a traditional silane crosslinking low-smoke halogen-free polyolefin insulation material, the production process is simpler and more stable, the cost is low, the natural crosslinking speed is high, and the flame retardance is better.

The utility model discloses a high-speed wire rod mill pre-finish rolling inlet sliding guide and guard set which comprises an inlet sliding guide and guard set body, an inner cavity is formed in the inlet sliding guide and guard set body, connecting pieces are welded to the front side and the rear side of the upper end of the inlet sliding guide and guard set body, and bolts are installed on the connecting pieces. The left side of the bottom end of the inlet sliding guide set body is fixed to a rolling mill through fixing bolts, and the front set and the rear set of fixing bolts are arranged. The front side and the rear side of the upper end of the inlet sliding guide set body are fixed through the bolts, and then the fixing bolts at the bottom end of the left side of the inlet sliding guide set body are matched for fixing, so that the left inlet sliding semi-guide, the right inlet sliding semi-guide and the guide base form a firm fastening relation, and the stability of the production process is guaranteed; the limiting device is mounted between the lower end of the inlet sliding guide group body and the guide base, so that the inlet sliding guide group body can be mounted more firmly, and the stability is higher.

The invention relates to the technical field of new material preparation, and discloses a laser frequency conversion material, a preparation method, ink and an anti-counterfeiting coating, and the laser frequency conversion material is a phosphate-rare earth oxide complex prepared from ammonium dihydrogen phosphate, yttrium oxide, ytterbium oxide and erbium oxide according to a mass ratio of 10: 9: 2: 0.1. The preparation method of the laser frequency conversion material comprises the following steps: weighing raw materials according to the mass ratio; heating to 800 DEG C at the heating rate of 30-40 DEG C / min, and preserving heat for 1 hour; cooling and crushing; heating to 1300 DEG C at the heating rate of 45-50 DEG C / min, and preserving heat for 1 hour; cooling and crushing for the second time; screening with a screen and the like. The formula of the anti-forgery ink comprises 25 parts by mass of a solvent, 1 part by mass of a dispersing aid, 0.1 part by mass of a laser frequency conversion material and 50 parts by mass of resin. The anti-counterfeiting coating is obtained by applying the anti-counterfeiting ink on the surface of a marker.