59results about How to "Store for a long time" patented technology

The invention discloses a special powder coating additive for pulverous expendable pattern casting, and the powder additive comprises the following components: suspending agent (15-25 wt%), rheological agent (20-25 wt%), adhesive (35-55 wt%), organosilicon defoamer (4-10 wt%) and preservative agent in balancing amount. When the special additive is prepared, various pulverous materials are weighed by the required proportion, interposed into the powder stirrer in sequence to stir for 20 to 40 minutes at a low speed and then discharged and packed. When the powder coating is prepared by adopting the additive, the powder coating additive is weighed and prepared in the ratio of refractory material and additive of 100 to (6-10). After the low-speed stirred vessel is turned on, the powder coating weighed is interposed into the stirrer in batches, the stirring time is 10 to 20 minutes, and then the powder coating is discharged and packed. The additive is utilized after the powder coating manufactured is prepared into the slurry in a certain water-to-powder ratio; therefore, the special coating has the advantages of good suspension property, high intensity, uniform coating, good thixotropy, good leveling property, glabrous surface, no bubbles, no cracks and the like. Moreover, the user can adopts the dip-coating method, the hang-coating method and the brush-coating method, the viscosity change of coating materials can be decided upon the demands of the user, and different viscosities can realize different coating thicknesses.

The invention discloses a novel aerated concrete environment-friendly demolding agent as well as a preparation method and a use method thereof, and relates to the technical field of demolding agents. The novel aerated concrete environment-friendly demolding agent consists of the following substances in parts by weight: 10-50 parts of waste engine oil, 1-10 parts of a diluent, 0.1-5 parts of an emulsification complexing agent, 0.1-1 part of a bactericide, 0.1-0.5 part of a defoaming agent and 20-70 parts of water. By adopting the novel aerated concrete environment-friendly demolding agent, environment protection can be effectively improved.

The invention relates to a chlorine dioxide slow-release device and its replenishment liquid, in particular to a chlorine dioxide slow-release device and its replenishment liquid for epidemic prevention and disinfection, food antisepsis and air purification. The device includes three parts: a container, a container cover, and a strip-shaped volatile matter. The supplement liquid includes the following parts by weight: 1-15 parts of sodium chlorite, 1-15 parts of activator, 1-10 parts of thickener, 1-5 parts of stabilizer, 0.5-2 parts of air barrier agent, 53-5 parts of purified water 95.5 servings. The beneficial effect of the device is to stably preserve the activated chlorine dioxide liquid, and to control the amount of moisture and air in contact with the strip-shaped volatiles by increasing and / or reducing the total area exposed to the strip-shaped volatiles in the air. Control the amount of chlorine dioxide released. According to the scale prompt on the container, when the chlorine dioxide liquid drops to a certain level, open the container cover, add replenishing liquid, and it can be recycled. It has the advantages of simple preparation process, low cost, convenient use and environmental protection.

The invention relates to the technical field of rotation tables, and discloses an artificial intelligence rotation table being capable of automatically rotating and provided with a support structure. The artificial intelligence rotation table comprises a support plate, wherein a table top is fixedly mounted on the top of the support plate, a rotation table positioned above the table top is rotatably mounted inside the support plate through a drive device, the bottoms of the two sides of the rotation table are movably connected with the upper surface of the table top through support devices, the drive device comprises a servo motor fixedly mounted inside the support plate, and an output shaft of the servo motor is fixedly connected with one end of a rotation shaft. The artificial intelligence rotation table being capable of automatically rotating and provided with the support structure is simple in structure and is practicable, time and labor are saved, meanwhile, the phenomenon that the weight of dishes causes the uneven stress of the rotation table, consequently, the rotation table inclines, is avoided, the situation that the rotation table is unsteady during rotation is prevented, the spilling of dishes is prevented, then the cleaning for the table top later is easy, and meanwhile, dishes are saved.

The asphalt additive material for cold repair of road surface consists of: styrene-butadiene-styreene block copolymer 2-5 weight portions, petroleum resin 1-3 weight portions, terpene resin 1-3 weight portions, polyamide 0.3-0.7 weight portions, N-cyclohexyl-Níõ-phenyl-phenylenediamine 0.3-0.7 weight portions, mineral oil 1-3 weight portions, styrene 3-7 weight portions, diesel oil 3-7 weight portions and asphalt 70-90 weight portions. It is prepared through mixing the materials at 170- 200 deg.c via high speed stirring for mutual reaction. The present invention has reasonable preparation process, and the asphalt additive material for cold repair of road surface has simple application, long storage period, high repair quality, wide use, environment friendship and low cost.

The invention discloses a method for enhancing the light stability of monascus yellow pigment. The method comprises the followings steps: a, weighing a certain amount of distilled water, and adding 0.02-0.04% of B-carotene, 0.2-0.4% ascorbic acid, 0.03-0.05% of polyphenol and 0.1-0.2% of citric acid in percentage by weight to prepare a mixed color fixative water solution; b, weighing a certain amount of monascus yellow pigment, and adding the mixed color fixative water solution according to the ratio of monascus yellow pigment to the mixed color fixative water solution of 1:(50-120) to prepare a monascus yellow pigment and mixed color fixative water solution preparation. The monascus yellow pigment and mixed color fixative water solution preparation prepared by the invention is high in light stability, and can be used for coloring of foods, cosmetics and medicines.

The invention relates to the technical field of ceramic glazes and discloses a novel biological ceramic glaze with good biocompatibility and bioactivity. The novel biological ceramic glaze is prepared from mixed raw materials in parts by weight as follows: 60-70 parts of a novel bone substitute biological microcrystalline material, 10-15 parts of medical stone, 5-10 parts of quartz, 8-12 parts of clay and 0.8-1.5 parts of negative ion powder (F-1). The invention further discloses a production method of the biological ceramic glaze. The production method comprises the following steps: 1) raw material preparation; 2) raw material melting; 3) water quenching and drying; 4) mixed fine grinding; 5) high-temperature crystallization. By means of the ceramic glaze, the quality of a glaze of a ceramic product is guaranteed, water absorption and utilization by a human body can be improved, and immunity is boosted; cells in the human body can be activated, blood circulation is promoted, and the ceramic glaze has the functions of promoting metabolism, maintaining beauty and keeping young; the production method of the ceramic glaze is high in controllability and stable in process, product quality is controlled easily, product yield is increased, and resources are saved.

The invention relates to a regenerated road cold feeding material, which comprises 56-87% milling material, 0.08-0.34% cold feeding additive, 0.87-1.6% diesel, and stones. The invention adds stone, feeding liquid, diesel, and macromolecule activate modified additive into the milling waste of highway, to be heated and mixed, to save material and reduce the pollution, while the added macromolecule activate modified additive can resolve the aging problem of pitch. And the invention uses the milling waste as material to avoid damaging the continuity of road, while the regenerated cold feeding material has high strength.

The invention relates to an anti-fading stamp-pad ink and a preparation method thereof, and belongs to the technical field of stamp-pad ink. The stamp-pad ink is prepared from the following components by the weight percentage: 45%-65% of an oily solvent, 15%-35% of a soluble resin, 1%-3% of a non-ionic surfactant, 0.1%-0.5% of an antioxidant and 10%-30% of a colorant. The stamp-pad ink has the beneficial effects that the quality is stable, and the ink does not fade after long-term storage.

The invention specifically discloses a new type of safe, mild and non-irritating three-in-one lotion for antibacterial cleaning and care of women's private parts. The nursing lotion comprises 5-15% lauryl amphoteric imidazoline, 15% of alkyl glucoside, 0.1-5% of 20% polyhexamethylene biguanide, 8-20% of moisturizing agent, 1-10% of skin care agent, and the balance is water and an appropriate amount of pH regulator. The safe, mild and non-irritating three-in-one lotion for antibacterial, cleaning and caring of female private parts can rapidly sterilize, clean and care for female private parts at the same time, and has no toxic and side effects.

The invention discloses an ionic liquid catalyst based on tri(2,4,6-trimethoxy phenyl)phosphine and a preparation method thereof. The tri(2,4,6-trimethoxy phenyl)phosphine used as a parent, and 1.0 to5.0 times of molar weight of 1,3-propane sultone or 1,4-butyl sultone are dissolved in an organic solvent; stirring is performed for reaction for 8 to 24h at 20 to 130 DEG C to obtain ylide; then, the ylide and organic acid or inorganic acid are stirred in methyl alcohol, ethyl alcohol or deionized water at 0 to 80 DEG C for reaction for 12 to 24h; after the reaction stops, the solvent is removedto obtain ionic liquid. The ionic liquid prepared by the method has the advantages of high catalytic activity, high heat stability, low equipment corrosion and the like.

The invention relates to the technical field of lithium batteries, and especially provides an auto-balancing battery tray which includes a tray. A plurality of chambers, which are used for accommodating batteries vertically, are formed in the tray; a positive contact and a negative contact are disposed on the bottom of each chamber. The auto-balancing battery tray also includes a balance controller. The positive contacts are electrically connected to a balance controller positive line bank through a positive connection flat cable. The negative contacts are connected in parallel with a negative parallel connection copper bar and then are connected to a total negative interface of the balance controller. A battery positive / negative detection module is located in the balance controller. By means of the structure, the battery tray can determine the polarity of the batteries; if the polarity of a battery is not conform to demand, the battery tray gives an alarm; in addition, the batteries are connected in parallel, thus achieving balance of the batteries; the battery tray achieves battery polarity detection and battery balance with the electricity in the batteries themselves, so that the battery tray has no consumption except the batteries. The battery tray is used for storing the batteries for a long period.

The invention discloses a water transfer printing tearable film resin. The weight percentages of the used raw materials are as follows: 20-40% of a butyl acrylate monomer, 8-20% of a methyl acrylate monomer, 0.5-3% of a functional monomer a, 0-3% of a functional monomer b, 0-3% of a functional monomer c, 0-3% of a functional monomer d, 0-5% of ethoxyethoxy ethyl acrylate, 1-5% of an internal plasticizing acrylic monomer, 0.5-2% of an initiator, and the balance of a solvent. The resin disclosed by the invention is good in tensile strength, good in heat resistance, good in demolding property, good in resin transparency, good in resin recoatability and good in plasticizer migration resistance after film formation, the resin can be subjected to cold tearing and hot tearing at the same time, nowaste water is generated in the production process, and the resin is particularly suitable for water transfer printing tearable films.

The invention provides intelligent furniture for indoor air harmful substance purification treatment, and relates to the technical field of intelligent furniture. The intelligent furniture comprises acabinet body and a cabinet door, a partition plate is vertically installed in the middle of an inner cavity of the cabinet body, the partition plate divides the inner cavity of the cabinet body intoa left wardrobe and a right wardrobe, an air inlet is formed in the outer side of the upper end of the right wardrobe, a drying partition plate and a peculiar smell removing partition plate are arranged on the inner wall of the right wardrobe and located below a suction ventilator, an electric heating pipe is arranged at the lower end of the peculiar smell removing partition plate, vent holes areformed in the partition plate, and an air outlet is formed in the outer side of the upper end of the left wardrobe. By means of a humidity detector, the humidity condition in the cabinet body can be accurately detected, humid air is dehumidified through the drying partition plate and the electric heating pipe, and clothes in the cabinet body are prevented from mildewing due to the humid air. The whole intelligent furniture is simple in structure, convenient to operate and high in practicability, air in the wardrobe can be dried and purified in a full-automatic and intelligent mode, it is guaranteed that clothes are stored for a long time, no harm is caused to the human body, and practicability is high.

The invention discloses a bright alloy steel sand production process. The bright alloy steel sand production process comprises the steps of raw material screening, heat treatment quenching, coarse crushing, graded intermediate crushing, fine crushing, bright tempering, secondary screening and packaging. According to the bright alloy steel sand production process, after alloy steel sand is subjected to bright tempering, the surface of the steel sand is made to form an anti-oxidation layer utilizing ammonia decomposition protective gases and vacuumizing treatment, and products are made to be stored longer; the alloy steel sand has the anti-oxidation layer, the surface layer is not prone to being rusted, the surface layer structure and the internal structure are stable and consistent, and thealloy steel sand is made to have more excellent impact resistance and wear resistance; the alloy steel sand has the anti-oxidation layer and durability to make the alloy steel sand be capable of replacing stainless steel grinding materials in most occasions, and the grinding material purchase cost is lowered by 30% or above; because the alloy steel sand has the anti-oxidation layer on the surface, in the process of practical application, generated dust is greatly reduced, the dust adhering to the workpiece surface is also greatly reduced, and reduction of the defective rate of workpieces is facilitated; and the surface of the alloy steel sand shows a bright metallic color.

The invention discloses a moisture-proof data information placement cabinet for data acquisition. The data information placement cabinet comprises a placement cabinet body, humidity sensors, temperature sensors and semiconductor dehumidifiers; sliding slots are formed in the sides of the placement cabinet body, the upper and lower ends of a built-in cabinet body are fixed in the placement cabinetbody through a vertical rod, a partition plate is fixedly connected with the interior of the built-in cabinet body, the humidity sensors and the temperature sensors are both fixed on the inner cornersof the placement cabinet body, sliding blocks are fixed to the bottom of the built-in cabinet body, a rotating motor is fixedly mounted in a placement cavity through a motor support, and the semiconductor dehumidifiers are disposed on the portions, on the side of the rotating motor, of the interior of the placement cavity; drainage pipes are connected to water outlet ends of ventilation funnels,main baffles and secondary baffles are disposed in ventilation holes respectively, and a moving door is disposed on the outer side of the placement cabinet body through the sliding slots. According tothe moisture-proof data information placement cabinet for data acquisition, convenience is provided for taking and storing information, and moisture damage caused to the data information is reduced.

The invention relates to a cigarette formula laboratory hand sample cut tobacco storage and dosing method and a device. The invention is characterized in that tobacco leaf raw material of each variety needed in product research and development is sampled and prepared into various raw material cut tobacco in sequence; all the raw material cut tobacco is packaged into bunchy small bags according to unit dosage by an automatic weighing and packaging device; the bunchy small bags are winded into trays to be stored in a storage box for standby use; all the raw material cut tobacco is put to be dosed in the form of bagged small bags, and the product can be obtained by manually mixing the materials after opening the small bags. The invention can free formula research staff from complex and tedious hand sample cut tobacco dosing work, improve storage condition of hand sample cut tobacco, and provide favorable guarantee for further product research.

Traditional tea packaging boxes are mostly disposable paper products, tea cannot be stored in the traditional tea packaging boxes for a long time, or the tea will deteriorate and mildew, tea quality is affected, and the disposable paper products are high in resource waste. Tea is an important part of Chinese traditional culture, and most of the traditional tea packaging boxes lack corresponding cultural connotation. The present invention relates to a tea packaging box which comprises a box body and box covers. A partition cabinet is disposed in the middle of the box body. Only the bottom of the partition cabinet is open. Two ends of the partition cabinet are in close contact with the box body. A strip-shaped decorating plate is disposed on the outer surface of the partition cabinet. Patterns such as a product name and a trademark are formed on the strip-shaped decorating plate. The box body is divided into a left cavity and a right cavity by the partition cabinet. Each of the left cavity and the right cavity is provided with at least two grooves, for placing tea boxes, inside. The left box cover and the right box cover are disposed corresponding to the left cavity and the right cavity. When the tea packaging box is placed vertically, the two box covers are like two doors, and opening of the box covers implies 'luckiness'. The front edges of the box covers and the corresponding positions of the cavities are provided with magnetic strips, a plurality of vent holes are disposed at two sides of the partition cabinet, and a drying agent is placed inside the partition cabinet. The tea packaging box which is reusable has the advantages that tea can be stored for a long time, other objects can also be stored in the tea packaging box, and the tea packaging box can be used as indoor decoration.

The invention discloses a safe separation and purification method of nitrate ester, comprising the steps: organic solvent is distilled from the organic solution of nitrate ester by distillation; in distillation, distilled water is added into the organic solution of nitrate ester; and the organic solvent and water can form azeotropy, azeotrope formed by the distilled water and the organic solvent is distilled out, distillate is collected, the organic solvent is completely distilled out, then residue is obtained and divided into liquid-liquid two phases after standing, and the nitrate ester product phase at a lower layer is covered by the water phase. Compared with the method for removing the organic solvent from the nitrate ester by direct atmospheric and vacuum distillation, the safe separation and purification method of nitrate ester is simple in operation, safe and clean in process and high in product purity and yield, and leads the obtained nitrate ester to be safely protected by water, avoid dangers, and be stored for a long time.

The invention discloses a separation and purification device for edible oil pre-processing. The device includes an oil intake funnel coarse filtration sieve, a fine filtration sieve and an evaporation tank. The bottom of the oil intake funnel is fixedly connected to a sieving pipe, a coarse impurity discharge port is fixedly arranged on one side of the sieving pipe inner wall, the outside of the coarse impurity discharge out is in threaded connection with a coarse impurity cover, the coarse filtration sieve is fixedly connected to the bottom of the coarse impurity discharge port and the sieving pipe inner wall, a fine impurity discharge port is fixedly arranged on the sieving pipe inner wall at the bottom of the coarse filtration sieve, and the outside of the fine impurity discharge out is in threaded connection with a fine impurity cover. According to the invention, fixed plates are fixedly connected to the evaporation tank, and low temperature electric heating tubes are fixedly mounted on the fixed plates for heating and baking of product oil, as the boiling point of edible oil is far higher than water, water in edible oil can be evaporated by means of appropriate temperature, and edible oil is not affected, so that the evaporated edible oil can be stored for a longer time.

The invention discloses an application of a zirconium-based metal organic framework as an alkaline phosphatase mimic enzyme. A metal organic framework material (MOFs) through precise pH control can beused for effectively simulating the activity of alkaline phosphatase in a water phase, and hydrolyzing corresponding substrates of the alkaline phosphatase. Compared with a biological enzyme, the zirconium-based metal organic framework has the advantages that a synthetic method of an MOFs bionic catalyst is simple, the production cost is greatly reduced, the nature is stable, and the zirconium-based metal organic framework can be preserved at room temperature for a long time; and besides, the structure and the function of the MOFs are adjustable, MOFs having different structures can be synthesized for simulating enzymes having different functions, the zirconium-based metal organic framework can be used for replacing the enzyme to perform sensing, enzyme-linked immunization and the like, and large-scale promotion and application are facilitated. Besides, through pH activation before a reaction and pH precise adjustment and control in the process of the reaction, the catalytic activityof the catalyst can be effectively controlled, the nature of the mimic enzyme is closer to that of the biological enzyme, a new direction is provided for designing and synthesizing a heterogeneous catalyst for biomimetic catalysis, and the zirconium-based metal organic framework has important significance.

The invention discloses a feeding device of an injection molding machine. The feeding device comprises a feeding device body and the injection molding machine, the feeding device body comprises a base and a spiral pipe device, the base is horizontally arranged, the spiral pipe device is horizontally arranged at the top of the base, the bottom of the spiral pipe device is connected with the top of the base, and the spiral pipe device is formed by combining a spiral pipe and a motor.

The invention discloses an automatic restart type intelligent express cabinet operating system based on unmanned vehicle express delivery and relates to the technical field of intelligent express cabinets. The system comprises an express cabinet body, the express cabinet body comprises a manipulator and infrared cameras, the manipulator is movably installed in the middle of the express cabinet body, and the upper side of one end of the express cabinet body is movably connected with one ends of the infrared cameras. According to the automatic restart type intelligent express cabinet operating system based on unmanned express delivery, on the one hand, the infrared cameras can be used for observing situations of the front end of the express cabinet body day and night to prevent someone fromstealing; on the other hand, the two infrared cameras can observe the front end of the express cabinet body without dead angles; besides, the infrared cameras can be removed from the express cabinet body for maintenance and replacement. Moreover, large express item storage boxes can enable the express cabinet body to store large logistics boxes.

The invention discloses a circuit board transmission device which comprises a controller, a circuit board temporary storage mechanism and a circuit board lifting type grabbing and conveying mechanism, the circuit board temporary storage mechanism and the circuit board lifting type grabbing and conveying mechanism are electrically connected to the controller, the circuit board temporary storage mechanism comprises two sets of temporary storage bearing frame assemblies which are oppositely arranged, each temporary storage bearing frame assembly comprises a first longitudinal installation support and a temporary storage bearing plate structure, wherein the temporary storage bearing plate structure comprises a longitudinal base plate arranged on the side face of the first longitudinal installation support and a plurality of rows of bearing shaft structures arranged on the longitudinal base plate, and each bearing shaft structure is composed of a plurality of bearing shafts rotationally arranged on the longitudinal base plate. The circuit board lifting type grabbing and conveying mechanism comprises two sets of grabbing and conveying assemblies arranged oppositely and two sets of lifting driving assemblies, and each grabbing and conveying assembly comprises a grabbing structure, a conveying driving structure arranged on an installation side plate and a plurality of conveying rollers arranged on the installation side plate and connected to the conveying driving structure. The invention further discloses a circuit board transmission control method based on the circuit board transmission device.

The invention discloses a self-cut-off type heat preservation cooker including a pot body, a movable plug is tightly attached to the inner side wall of the pot body, the top wall of the movable plug is provided with a fixing port, the bottom wall inside the fixing port is provided with a sealing port, a seal plug is arranged in that seal port, the top end of the sealing plug is provided with a glass cover, a screw thread is arranged on the outer side wall of the bottom of the glass cover, a screw thread engaged with the glass cover is arranged on the inner side wall of the fixing port, a heating plate is arranged in the bottom wall of the pot body, a movable groove is arranged on the inner side wall of one side of the pot body, and a rod hole is arranged on the inner bottom wall of the movable groove. The invention utilizes the heat expansion principle of the air inside the heat preservation cooker to realize the automatic power off of the heating device, the food is heated to a certain temperature, the power is automatically cut off, the food is cooled slightly and automatically energized to heat the heat preservation, no human interference is required, the safety performance of the heat preservation cooker is improved, and the heat preservation time is greatly prolonged.

The invention relates to a green environment-friendly waterproof material which is characterized by comprising the following components in parts by weight: 1-10 parts of styrene-butadiene-styrene block copolymer, 2-15 parts of petroleum resin, 1-6 parts of synthetic rubber, 20-55 parts of asphalt, 2-5 parts of p-phenylenediamine, 15-30 parts of mineral oil, 2-12 parts of styrene and 10-30 parts of polyamide. The green environment-friendly waterproof material has the advantages of scientific and reasonable raw material proportioning, long storage time, wide application range, low toxicity, low price and high economy, is beneficial to environmental protection, is simple to operate and convenient for construction, and is suitable for large-scale production.

The invention discloses a life-keeping box for transport of hairy crabs. The life-keeping box comprises a life-keeping box body (1) used for storage of hairy crabs. A box cover of the life-keeping boxbody (1) is equipped with one group of buckles (2) fixed with the side wall. The inner wall of the life-keeping box body (1) is provided with an object storage bag (3) used for storing food. The life-keeping box for transport of hairy crabs is characterized in that fresh Cayratia japonica leaves are stored in the object storage bag (3); if the fresh Cayratia japonica leaves are not eaten or completely eaten by hairy crabs, dry Cayratia japonica leaves are combined with foam water spitted out of mouths of the hairy crabs; then, medicine effect of Cayratia japonica is infiltrated in saliva of the hairy crabs so that medicine liquid is generated; finally, the medicine liquid is taken into the hairy crabs; and therefore, lifespan is prolonged and the anti-disease effect is exerted. The life-keeping box for transport of hairy crabs has following advantages of innovation in structure, a longer storage period, freshness preservation of medicine taken from native plants and prevention of diseases.

The invention discloses a high-stability herbicide for paddy fields, which is prepared from the following components in percentage by mass: 10 to 15 percent of pyriminobac-methyl, 10 to 12 percent of pretilachlor, 4 to 9 percent of bensulfuron methyl, 5 to 8 percent of inorganic salt, 0.2 to 0.5 percent of sodium dodecyl benzene sulfonate, 0.5 to 2.5 percent of fulvic acid, 0.5 to 1.5 percent of dispersing agent, 0.2 to 0.8 percent of antifreeze agent, 1 to 4 percent of hydrotalcite-like carrier, 0.4 to 1.2 percent of thickening agent, 0.5 to 1 percent of binding agent, 10 to 15 percent of water and the balance of oily solvent, the sum of the mass percentages of the components is 100%. The invention also discloses a preparation method of the herbicide. According to the weeding composition, pyriminobac-methyl, pretilachlor and bensulfuron methyl are used as active components, and after compounding, the pesticide resistance of weeds is slowed down through the synergistic effect of different effective components; in addition, by adding the anti-freezing agent, the thickening agent and the dispersing agent, the stability of the herbicide is improved, and it is guaranteed that all performance indexes meet the requirements within the period of validity.

The invention discloses an ionic liquid catalyst based on tri(2,4,6-trimethoxy phenyl)phosphine and a preparation method thereof. The tri(2,4,6-trimethoxy phenyl)phosphine used as a parent, and 1.0 to5.0 times of molar weight of 1,3-propane sultone or 1,4-butyl sultone are dissolved in an organic solvent; stirring is performed for reaction for 8 to 24h at 20 to 130 DEG C to obtain ylide; then, the ylide and organic acid or inorganic acid are stirred in methyl alcohol, ethyl alcohol or deionized water at 0 to 80 DEG C for reaction for 12 to 24h; after the reaction stops, the solvent is removedto obtain ionic liquid. The ionic liquid prepared by the method has the advantages of high catalytic activity, high heat stability, low equipment corrosion and the like.