592 results about "Solvent system" patented technology

The invention relates to the field of organic chemical synthesis, in particular to a synthetic method and application of pyrimidone compounds. The invention provides a synthesis method, reactants are o-amino heterocyclic formamide and triethyl orthoformate respectively, a solvent system is a hexafluoroisopropanol solvent, and a product is a heterocyclic pyrimidone compound. The reaction does not need strong acid or strong alkali conditions, does not need additional reducing agents or oxidizing agents, does not need transition metal catalysis, is economical and practical, the reaction conditions are relatively mild, and the synthesized pyrimidone compound has a good antibacterial effect.

The application discloses a thickened oil viscosity reducer for a main viscosity contribution component of colloid and a preparation method thereof. The thickened oil viscosity reducer comprises the following components in percentage by weight: diethylene glycol methyl ether 25-35%, propylene glycol formate 15-25%, dispersant 5-8%, chelating agent 2-4%, anti-coking agent 0.5-1%, anti-swelling agent 1-2% and corrosion inhibitor 1-2%; and the balance is water. The application is a polar + non-aromatic hydrocarbon solvent system; completely avoids high-risk substances such as nonylphenol polyoxyethylene ether, petroleum sulfonate sodium and organic chlorine; is designed in pertinence and can effectively inhibit metal-induced asphaltene bridging; can withstand working conditions from normal temperature to 250 DEG C and up to 300 DEG C; thermal stability is significantly enhanced, and residual carbon after aging is lower than 8%; viscosity reduction efficiency is higher; the system is more stable, flexible in compounding and suitable for field construction.

The application belongs to the technical field of high polymer materials, and particularly relates to an ion conductive hydrogel, a sensor and a preparation method and application thereof. The ion conductive hydrogel comprises a double-network hydrogel and ion salts and alcohol dispersed in the double-network hydrogel; the first network of the double-network hydrogel is formed by cross-linking of sodium alginate, and the second network is formed by radical polymerization of unsaturated monomers. The second network is formed by radical polymerization of unsaturated monomers, and the double-network hydrogel is formed by cooperation of sodium alginate, so that the ion conductive hydrogel has excellent mechanical properties. The ion salts are added in the double-network hydrogel, and especially, an alcohol / water binary solvent system is introduced. Due to strong ion hydration and strong hydrogen bond interaction between water molecules and alcohol, ice crystallization is inhibited, so that the hydrogel still has good flexibility and conductivity below zero degrees.

The invention discloses a preparation process of a moxidectin pouring solution. The preparation process comprises the following steps: S1, respectively preparing a moxidectin initial solution and a thickener premixed solution; s2, the moxidectin initial solution and the thickener premixed solution are stirred and mixed uniformly at the temperature of 25-35 DEG C to form a mixture A, the stirring speed is 150-250 rpm, and the mixing time is 10-20 min; s3, adding auxiliary materials into the mixture A, and uniformly mixing to form a mixture B; s4, supplementing the second solvent into the mixture B to the total amount, uniformly mixing, and filtering to obtain a moxidectin pouring solution; the method comprises the following steps: dissolving a moxidectin raw material in a first solvent to obtain a moxidectin initial solution, and synthesizing the moxidectin raw material by using biological catalysis; the first solvent is a nano-emulsion formed after homogenization. According to the preparation method, the solubility of the medicament, the stability of the preparation and the transdermal drug delivery efficiency are improved by improving the solvent system and controlling the process in the preparation process of the moxidectin pouring solution.

The application belongs to the technical field of deep eutectic solvents, and particularly relates to a ternary deep eutectic solvent and preparation and application thereof. The ternary deep eutectic solvent is composed of choline chloride, 5-sulfosalicylic acid and gamma valerolactone according to a molar ratio of 1:4:(3-25). The strong hydrogen bond network structure between the green solvent system first destroys the ester bond between lignin and hemicellulose, then cuts off the beta-O-4 bond between lignin molecules, so as to separate lignin. Meanwhile, the deep eutectic solvent can improve the stability of carbon cations due to the conjugation effect between the lone pair electrons on the heteroatom oxygen and the central carbon in the molecular structure of gamma valerolactone, so as to inhibit the condensation reaction of lignin.

The invention provides a core-shell type rare earth gradient doped positive electrode material and a preparation method and application thereof, and the preparation method comprises the following steps: introducing a mixed metal source solution and a first complexing agent into a mixed solvent, carrying out solvothermal reaction to obtain a core precursor, then continuously heating to a first temperature, introducing a rare earth doped source solution, and carrying out solvothermal reaction to obtain a core precursor; continuously raising the temperature to a second temperature for heat preservation, and finally quenching to obtain a precursor material; and mixing and sintering a lithium source and the precursor material to obtain the core-shell type rare earth gradient doped positive electrode material. According to the preparation method, coprecipitation reaction kinetics and a gradient locking process are synchronously regulated and controlled through a mixed solvent system, composition segregation is avoided, lattice distortion is triggered by adopting a solvothermal system, gradient doping of rare earth elements is induced, the interface mutation defect of a traditional core-shell structure is broken through, and the performance of the core-shell structure is improved. And synchronous improvement of high specific capacity and ultra-long cycle life is realized synergistically.

The invention discloses a hollow covalent organic framework fiber separation membrane with a molecular recognition function and a preparation method and application thereof.The method comprises the steps that polylactic acid and aldehyde monomers are added into a solvent A, and an aldehyde-loaded spinning solution is prepared; spinning the aldehyde-loaded spinning solution to obtain an aldehyde fiber precursor membrane; taking the formylated fiber precursor membrane as a template, immersing the formylated fiber precursor membrane into a reaction system consisting of an amino monomer, a catalyst and a solvent B, and initiating dynamic covalent assembly to prepare a COF shell-coated fiber membrane; immersing the fiber membrane coated with the COF shell layer into a solvent C to remove the polylactic acid template so as to prepare hollow COF fibers; and immersing the hollow COF fiber into a solvent system containing a gas recognition functional monomer, and constructing a gas molecule recognition layer on the surface of the hollow COF fiber to prepare the hollow COF fiber separation membrane. According to the application, the hollow covalent organic framework fiber separation membrane is applied to precise recognition operation of sulfur-containing gas. According to the invention, an efficient and energy-saving innovative membrane material with resource enrichment potential can be prepared.

The invention relates to the technical field of traditional Chinese medicine compositions, and particularly discloses a uric-acid-reducing medicinal and edible composition containing giant salamander bone polypeptide and a preparation method of the uric-acid-reducing medicinal and edible composition. The uric acid-reducing medicinal and edible composition containing the giant salamander bone polypeptide comprises the giant salamander bone polypeptide and a traditional Chinese medicine compound extract, the traditional Chinese medicine compound extract is prepared by extracting the following raw materials through a dual solvent system of alcohol extraction and water extraction: folium mori, pawpaw, radix puerariae, rhizoma polygonati, rhizoma smilacis glabrae, yam rhizome, semen coicis, mulberry, cortex cinnamomi, endive, astragalus membranaceus, raw endothelium corneum gigeriae galli, fructus lycii, folium cortex eucommiae, rhizoma curcumae longae, agastache rugosus, folium perillae, fructus perillae, agkistrodon halys, semen euryales, Chinese yam, dandelion, mint, jujube, raw liquorice, honey-fried liquorice and pulp of dogwood fruit. The traditional Chinese medicine is prepared from hawthorn, sword bean, white hyacinth bean, plantain herb, dried rehmannia root and prepared rehmannia root. According to the application, the giant salamander bone polypeptide and the traditional Chinese medicine ingredients can play a stable and excellent synergistic effect in the medicinal and edible products, so that the medicinal and edible composition containing the giant salamander bone polypeptide and capable of reducing uric acid, which is relatively good in application quality, is obtained.

The invention belongs to the technical field of high polymer chemistry and composite materials, and particularly relates to a composite proton exchange membrane and a preparation method thereof. The method comprises the following steps: adding an original multi-walled carbon nanotube into a mixed acid solution, and carrying out oxidation treatment to obtain an acidified carbon nanotube; carrying out condensation reaction on the acidified carbon nanotube, a condensing agent and sulfanilic acid in a solvent system to obtain a sulfonated carbon nanotube; dispersing the sulfonated carbon nanotubes in an acetic acid solution to form a dispersion liquid, dissolving chitosan in the acetic acid solution to form a chitosan solution, and mixing the dispersion liquid with the chitosan solution to prepare a membrane casting solution; forming a membrane from the membrane casting solution to obtain an initial composite proton exchange membrane; and placing the initial composite proton exchange membrane in a sulfuric acid solution for crosslinking treatment, washing and drying to obtain the target composite proton exchange membrane. Based on the method, the technical effect of preparing the proton exchange membrane with excellent comprehensive performance is achieved.

The invention discloses a polyarylene ether nitrile nanofiber membrane and a preparation method of the polyarylene ether nitrile nanofiber membrane through double-solvent synergistic electrostatic spinning, and relates to the field of high polymer material preparation. The method comprises the following steps: preparing two electrostatic spinning solutions with obvious volatilization rate and dissolution parameter difference, and alternately depositing two types of fibers on a collecting surface by adopting dual-channel synergistic electrostatic spinning; in the deposition and drying process, chain segments at fiber cross points are induced to swell, mutually diffuse and cure in situ to form bonding points by utilizing the poor evaporation rate of a high / low volatile solvent and the poor solvent-polymer compatibility, so that the self-densification and the structure stabilization of the nanofiber membrane are realized. The obtained nanofiber membrane has high-density in-situ bonding points and remarkably improved mechanical properties, does not need additional post-treatment such as hot pressing or solvent spraying, and is suitable for application such as interlayer reinforcement and interface toughening of composite materials. The process has continuity and controllability, and the density and mechanical properties of the membrane body can be customized by adjusting a solvent system and spinning parameters.

The invention relates to the technical field of photocatalytic materials, in particular to a metal single atom loaded defect carbon nitride catalyst and a preparation method and application thereof. The method comprises the following steps: by taking melamine as a nitrogen source, soluble metal salt as a metal source and ethylenediaminetetraacetic acid as a chelating agent, carrying out freeze drying in a solvent system, calcining in a protective atmosphere, and carrying out thermal polymerization, so as to obtain the metal single atom loaded defective carbon nitride catalyst. The metal in the soluble metal salt is copper, iron or manganese. Precise anchoring and high dispersion of metal ions are achieved through complexing of ethylenediamine tetraacetic acid, a stable metal-N coordination structure is formed, metal agglomeration is avoided, a defect structure is constructed synchronously, and the metal monatomic loading capacity is 1 wt.%-7 wt.%. The catalyst can efficiently catalyze and activate peroxymonosulfate and rapidly degrade antibiotic pollutants such as tetracycline, has the advantages of being low in preparation cost, environmentally friendly, high in catalytic activity and high in stability, and is suitable for the field of water pollution remediation.

An injectable cannabidiol formulation for non-IV parenteral administration comprising, consisting essentially of, or consisting of: (a) a solvent system consisting of (i) an effective amount of at least one triglyceride oil; and (ii) an effective amount of at least one C1-C3 alkyl ester of a C6-C22 fatty acid; and (b) an effective amount of cannabidiol; wherein the formulation is free of water and ethanol, has a viscosity less than about 35 cP, and is phase stable and chemically stable. The formulation can further comprise at least one additional pharmaceutically acceptable excipient. Kits containing the formulation are also described.

The invention discloses an in-situ doped ZnO paper-based insulating material and a preparation method thereof, and belongs to the technical field of paper-based special materials in paper industry. The method disclosed by the invention comprises the following steps: mixing and stirring zinc chloride and water to obtain a zinc chloride hydrated eutectic solvent; then soaking the porous base paper in a zinc chloride hydrated deep-eutectic solvent for swelling treatment to obtain gelatinized base paper; immersing the gelatinized raw paper into an ethanol / water anti-solvent system for regeneration treatment to obtain regenerated raw paper; then dipping the regenerated raw paper in alkali liquor for in-situ deposition treatment to obtain raw paper with ZnO micro-nano particles loaded and doped on the surface; and performing post-treatment on the body paper with the surface loaded and doped with the ZnO micro-nano particles to obtain the in-situ doped ZnO paper-based insulating material. According to the method disclosed by the invention, in-situ doping of the ZnO micro-nano particles is successfully realized in the densified base paper, and the dielectric property is further remarkably improved by cooperating with the densification effect.

The invention belongs to the technical field of biological medicine, and discloses a dry blood spot liquid chromatography-mass spectrometry detection method adaptive to 7 metabolites. According to the method, a pH / polarity double-trigger microcapsule solvent carrier system is adopted, high-polarity extraction solvents, medium-polarity extraction solvents and low-polarity extraction solvents are packaged in the pH / polarity double-trigger microcapsule solvent carrier system in a layered mode, the solvents are released in sequence according to local pH and polarity changes in the extraction process, and amino acid, acyl carnitine, organic acid, bile acid, steroid, fatty acid and glycometabolism intermediate products are efficiently extracted respectively. The method disclosed by the invention breaks through the inherent limitation of a traditional static solvent system, solves the problem of unbalanced recovery rate caused by insufficient solvent suitability in dry blood spot extraction of seven metabolites with great polarity span, and remarkably improves the accuracy, reproducibility and coverage range of a DBS-LC-MS / MS platform in synchronous detection of multi-component metabolites; and reliable technical support is provided for newborn inherited metabolic disease screening, endocrine disease diagnosis and drug metabolism research.

Systems and methods of producing 1-hexene are disclosed. The methods include oligomerizing ethylene to produce 1-hexene in a reactor unit, which involves flowing a first solvent system into the reactor unit, the first solvent system adapted to improve selectivity of 1-hexene in the oligomerizing of the ethylene. The methods can include flowing part of a second solvent system into the reactor unit under washing mode, the second solvent system adapted to dissolve by-products in the reactor unit being washed. The methods can include flowing part of a second solvent system into the catalyst preparation unit, the second solvent system adapted to dissolve catalysts in the catalyst preparation step. The systems can include a reactor, a wax / polymer removal unit, and at least two C6 distillation columns in series for producing 1-hexene.

This application relates to liquid compositions comprising (meth)acrylate monomers and / or methacrylamide monomers and a solvent system comprising a mixture of aliphatic alcohols and alkylene carbonates. The liquid composition is useful as a monomer liquid component in two-part liquid-and-powder curable acrylic systems, in particular as used for the cosmetic treatment of fingernails and toenails. The invention further provides methods of forming a polymeric structure on a substrate, such as acrylic nail coatings, using the monomer liquid composition of the invention. The application further provides a novel additive for use in monomer liquid compositions.

The invention belongs to the technical field of pharmaceutical preparations, and discloses a minoxidil solution for androgenetic alopecia, which takes a deep eutectic solvent as a core solvent system and contains 1.0-5.0% of minoxidil (active ingredient), 0.1-1.0% of preservative, 0.05-1% of stabilizer, a proper amount of sodium hydroxide (the pH value is adjusted to 4-9) and purified water. According to the minoxidil solution, the solubility of minoxidil is greatly improved through the deep eutectic solvent, the solubility of minoxidil reaches 779.85 mg / ml and is 389.9 times that of water, the deep eutectic solvent is used in the minoxidil solution, ethanol is not contained, the dosage of propylene glycol is as low as 3%, ethanol and high-dosage propylene glycol (20%-50%) in a traditional commercially available formula are prevented from being used, irritation to scalp is reduced, and the minoxidil solution is suitable for scalp care. The minoxidil solution is stable in content after 6 months under the condition of 40 DEG C / 60% RH, the in-vitro transdermal performance of the minoxidil solution is superior to that of a commercially available reference preparation of an ethanol and propylene glycol solvent system, and the minoxidil solution also has the advantages of high stability, remarkable hair growth ability and the like.

A composition is described, which when applied to paper, cardboard or other cellulose based composites used in packaging, provides a layer that is oil resistant, moisture resistant and provides an effective oxygen barrier layer. The composition is comprised of a modified polyester polymer and may be applied as an aqueous emulsion or out of a solvent system. The coated substrate after being used is compostable, repulpable, recyclable and biodegradable.

The present invention provides a concentrated laundry detergent composition comprising: a solvent system wherein the solvent system is a mixture of water and a non-aqueous solvent; a cleaning surfactant; wherein the cleaning surfactant comprises a blend of: a nonionic surfactant; an anionic alcohol ethoxysulfate surfactant of formula I, wherein R1 and R2 are each independently a C1-16 alkyl group; wherein the sum of carbon atoms in R1 and R2 is from 7 to 17; wherein M + is a negatively charged cation that balances the-SO3-anion of formula I; and wherein n is 1 in 95 mol% to 100 mol% of the anionic alcohol ethoxysulfate surfactant of formula I; wherein the concentrated laundry detergent composition comprises lt based on the weight of the concentrated laundry detergent composition; and 10% by weight of water.

The application discloses a preparation method of beta-carotene, which comprises the following steps: 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl triphenyl phosphonium salt (C15 phosphonium salt) cis-trans isomer and 2,7-dimethyl-2,4,6-octatriene-1,8-dial (C10) are dissolved in a water and a water incompatible solvent system, and Wittig reaction is generated under the action of an alkali. The reaction system can avoid that by-product inorganic salt is wrapped in the product, and the content of inorganic salt impurities in the product is reduced. In addition, the proportion of C15 phosphonium salt cis-trans isomer is controlled, a C15 phosphonium salt hydrolysis side reaction is inhibited, and the reaction yield is improved.

This invention discloses a heterolayer-coupled cellulose-based composite membrane with impact resistance and fatigue resistance, and its preparation method. The membrane comprises: a rigid support layer composed of cellulose pulp, providing overall structural support and dimensional stability; and a flexible crosslinked layer located on the surface of the rigid support layer, composed of gelatin treated with a DES solvent system and crosslinked with glutaraldehyde, used to absorb impact energy and disperse stress. The rigid support layer and the flexible crosslinked layer form a heterolayer-coupled structure. By adjusting the modulus difference between the two layers, the bending stability and durability of the composite membrane under repeated loading and dynamic impact conditions are improved. The bilayer cellulose-based composite membrane of this invention exhibits excellent impact resistance, good fatigue resistance, and structural stability under dynamic impact and repeated bending conditions.

The invention discloses an enantiomer crystallization resolution method of delta-dodecalactone, which comprises the following steps: hydrolyzing delta-dodecalactone under an alkaline condition for ring opening, acidifying to obtain 5-hydroxylauric acid, adding a dehydroabietylamine solution, dissolving in an alcohol solvent or a solvent system consisting of the alcohol solvent and other solvents, fully reacting, cooling, slowly crystallizing, filtering, washing, and drying to obtain the delta-dodecalactone enantiomer. Filtering, adding ethyl acetate and hydrochloric acid into a filter cake for dissolving, carrying out liquid-liquid extraction and washing an organic phase, and carrying out rotary evaporation concentration on the organic phase to obtain optically enriched delta-dodecalactone; the method is simple to operate and does not depend on expensive special equipment, and the sample loading amount is greatly increased; due to the introduction of dehydroabietylamine, the 5-hydroxylauric acid and the dehydroabietylamine form diastereoisomer salt, and chiral separation is carried out in the crystallization process; the reaction safety is high, and the requirements of green chemistry are met.

The invention discloses a preparation method of graphene super-energy zinc oxide, and relates to the technical field of inorganic synthesis and nano material preparation. Comprising the steps of hydrothermal synthesis in a polar solvent system, wet precipitation, ultrasonic treatment and high-temperature roasting and ball milling. A comb-shaped functional additive is matched with an auxiliary agent to regulate and control a solvent environment, and ZnO with controllable morphology such as hexagonal prism / nanorod / nanowire is generated under a hydrothermal condition. And mixing the graphene with calcium carbonate and graphene to obtain the graphene super-energy zinc oxide. The rubber composition has excellent processability in the processing process, can effectively improve the production efficiency and ensure the stability of the product quality, and is suitable for producing and processing various rubber products, such as tires, rubber tubes, adhesive tapes, rubber shoes and the like.

The invention discloses a multi-dimensional high-precision detection method and system for biotoxins in agricultural products, and the method comprises the steps: carrying out sterile collection and grading pretreatment on an agricultural product sample to obtain a homogenized sample; extracting the homogenized sample by adopting a mixed solvent system, adding an internal standard substance, carrying out salting-out layering, and collecting supernate; sequentially carrying out QuEChERS purification, multi-mechanism adsorption column purification and molecularly imprinted polymer specific enrichment on the supernate; carrying out dual-mode detection on the target toxin enrichment liquid, respectively carrying out quantitative detection by adopting a liquid chromatography-tandem mass spectrometry method, and carrying out screening detection by adopting an intelligent electrochemical sensing method; performing optimization processing on the dual-mode detection signal, and comprehensively judging a sample detection result; through integrated application of a triple purification mechanism, a dual-mode detection system, machine learning signal analysis and a full-chain quality control technology, efficient enrichment and deep interference removal of target toxins in a complex matrix can be realized, and both precision and applicability are considered.

The invention discloses a preparation method of sodium fluorosulfate, which comprises the following steps: mixing sodium pyrosulfate and ammonium fluoride in an aprotic polar solvent, and reacting at 50-200 DEG C to generate sodium fluorosulfate; after the reaction is finished, separating to obtain a solution containing sodium fluorosulfate; concentrating the solution, and adding an anti-solvent to induce sodium fluorosulfate crystallization; and separating to obtain sodium fluorosulfate. According to the invention, safe and easily available ammonium fluoride and sodium pyrosulfate are adopted as raw materials, one-step reaction is carried out in a mild aprotic polar solvent system, and an anti-solvent crystallization process is combined, so that efficient preparation of sodium fluorosulfate with high purity, low acid value and no chloride ion residue is successfully realized; and the problems of dependence on high-risk raw materials and serious pollution of byproducts in the prior art are solved.

The invention relates to the technical field of biological medicine manufacturing, in particular to an environment-friendly and efficient Difelikefalin preparation method. According to the method, a solid-phase peptide synthesis technology is adopted, and the core is that a green mixed solvent system composed of 2-methyltetrahydrofuran and cyclopentyl methyl ether is used for comprehensively replacing traditional toxic solvents such as DMF and DCM. The method comprises the steps of resin swelling, Fmoc deprotection, amino acid coupling, peptide chain cutting, purification and freeze drying, a piperidine / 2-MeTHF solution is adopted in the deprotection, an optimized HATU / DIPEA activation system is adopted in the coupling reaction, a TFA / 2-MeTHF / water mixed solution is adopted in the cutting, and an ethanol-water chromatographic system is adopted in the purification. According to the invention, closed-loop circulation of the solvent is also realized, and 2-MeTHF and CPME are purified through rotary evaporation and reused in the synthesis process. According to the method, high purity and high yield of the product are guaranteed, production toxicity and environmental hazards are remarkably reduced, and the method has excellent industrial application prospects.

The present invention provides a method for producing a water-processable n-type conducting polymer, comprising the steps of: a) adding a monomer to a solvent system comprising water in the presence of a catalyst and a base to prepare a reaction solution; b) polymerizing the monomer in the reaction solution to obtain an n-type conductive polymer; c) post-treating the n-type conductive polymer dispersion to obtain a water-processable n-type conductive polymer; The present invention relates to a method comprising:

The present application relates to compositions and methods for the preparation of a spray dried amorphous solid dispersion comprising 5-{3-[4-(3-methyl-benzyloxy) thiophenyl] furan-2-yl} imidazolidine-2, 4-dione and hydroxypropyl beta-cyclodextrin. In particular, the present application relates to an improved spray drying process for producing amorphous solid dispersions with enhanced performance by using a co-solvent system and / or an antioxidant.

The application discloses a HEMT humidity sensor for breath monitoring, a preparation method and application thereof, and belongs to the field of semiconductor humidity sensors. The preparation method comprises the following steps: step 1, mesa etching of a GaN-based heterojunction material epitaxial wafer is carried out by using a stage power etching method; step 2, etching of a source-drain electrode buried region is carried out by using a scheme of first plasma treatment and then wet etching; step 3, a gold-free ohmic contact manufacturing scheme is adopted; step 4, a cage-shaped monomer containing a mercapto group and a monomer containing an olefin bond are dissolved in a mixed solvent of tetrahydrofuran and methanol as a skeleton material and a photocatalyst; step 5, a small amount of precursor liquid is drop-coated on the surface of a sensitive gate region of the HEMT device, and irradiated under ultraviolet light for 15-30 minutes; and step 6, the same solvent system is used for wetting. The HEMT humidity sensor made of the material as a sensitive material has a sensitivity of an order of magnitude in a full humidity range, and the sensor can well detect breath and distinguish breath frequency.

The application belongs to the technical field of salt solution drying, and particularly relates to a continuous evaporation and drying device for triflic acid salt solution. The device comprises a raw material tank, a feeding pump, a recovery cold trap, a vacuum pump, a cyclone separator, two-stage thin film evaporators, a screw conveyor, a material bin and a heat conducting oil furnace, and a continuous material flow path, a gas phase condensation recovery path and a circulating heating path are formed through pipelines. The scheme limits the operation parameters of the two-stage evaporators, such as the operating pressure, temperature and scraper rotating speed, and clearly defines the heat exchange feeding design of the recovery cold trap, the gas velocity of the cyclone separator and the powder backflow structure, is suitable for multiple solvent systems and various corrosion-resistant materials, and the material bin adopts a closed structure with nitrogen protection, and multiple bins can be connected in parallel to switch feeding. The application realizes continuous drying of triflic acid salt, improves production efficiency, product quality and yield, reduces energy consumption and improves solvent recovery rate through waste heat recovery.