42results about How to "Good for completeness" patented technology

The invention provides a pressing-low-temperature continuous phase-change castor oil extraction method. According to the method, a pressed, back-dried, and crushed castor seed raw material is placed into an extraction kettle; under a condition with a pressure constantly lower than 4MPa and a temperature constantly lower than 90 DEG C, the extracting agent is compressed into a liquid; the extracting agent flows through the extraction kettle with a certain flow rate, such that castor oil is extracted; the material is delivered into a resolution kettle; heating and pressure reducing are carried out, such that the extracting agent is changed into a gas phase; instant compression is carried out, the extracting agent is changed into liquid, and flows through the extraction kettle, such that the material is extracted again. The steps are repeated several times. The extracting agent is one of propane, butane, high-purity isobutane, R134a, dimethyl ether, liquefied petroleum gas, and sulfur hexafluoride. The method provided by the invention has the advantaged of high efficiency, no solvent residue in product, and high aroma component retention rate of a supercritical extraction method. Extraction pressure and resolution pressure of the method are lower than those of supercritical extraction. The method also has the advantages of large extraction volume, large-amount batch production, low production cost, and the like of a conventional solvent extraction method.

The invention provides a preparing method for 4-chlorine-3,5-xylenol. Cupric salt taken as catalyst reacts with 3,5-xylenol, oxygen and hydrochloric acid in inorganic and organic solvent, so as to obtain the 4-chlorine-3,5-xylenol. In order to further optimize the reaction process, the reaction is terminated when the conversion rate of the raw material, namely the 3,5-xylenol, reaches 50-90%, so that the generation of bipolymer is avoided, the selectivity of a target product is excellent, the total conversion rate is higher, the report method for preparing 4-chlorine-3,5-xylenol through oxidization and chlorination is completely optimized, as a result, the preparation of 4-chlorine-3,5-xylenol through oxidization and chlorination is completely suitable for large-scale industrial production.

The invention provides a dual-fuel nozzle for plasma catalysis gaseous fuel. The dual-fuel nozzle for the plasma catalysis gaseous fuel mainly comprises a low-temperature plasma discharging assembly, a gas circuit assembly, an oil circuit assembly and a nozzle fixing device. Cracked gas fuel enters an annular discharging gap of the low-temperature plasma discharging assembly in the radial direction and has a reforming reaction under the low-temperature plasma catalytic action to be converted into reformed gas with the higher heat value, a gas plasma micelle remaining after the catalytic reaction can be contained inside the reformed gas, the inflammability of the reformed gas is improved, finally the reformed gas flows out in a rotating mode through a gas flow guiding plate to form a recirculating zone, and the stability of burning is improved. According to the dual-fuel nozzle for the plasma catalysis gaseous fuel, the oil circuit assembly stretches into an external electrode of the low-temperature plasma discharging assembly, space can be saved, the oil supply states of oil and gas circuits can be controlled, the oil and gas circuits can be closed independently or simultaneously, the requirements for starting power and variable working condition power are met, the gas circuit assembly can also be utilized for spraying water, and NOx emission is reduced.

The invention provides a method for extracting fructus perillae oil through continuous phase transition, which comprises the steps of putting the dried ground fructus perillae raw material into an extraction kettle; compressing an extraction agent into liquid under the conditions that the extraction temperature is 35-55 DEG C and the extraction pressure is 0.5-2MPa; enabling the liquid to flow through the extraction kettle at a flow speed of 100-150L / h, and continuously extracting for 50-120 minutes; after extracting the fructus perillae oil, enabling the fructus perillae oil to flow into a resolving kettle, wherein the resolving temperature is 65-75 DEG C, and the resolving pressure is 0.1-0.4MPa; heating and reducing pressure of the extraction agent so that the extraction agent phase is changed into gas; performing intermediate compression to change the gas into liquid which flows through the extraction kettle again, and performing secondary extraction on the material; circulating for multiple times. The method provided by the invention has the advantages of efficient supercritical extraction, no solvent residue in product and high retention rate of aroma components; moreover, the extraction pressure and the resolving pressure are lower than the supercritical values, and the method also has the characteristics of large extraction volume of conventional solvent, large batch treatment capacity, low production cost and the like.

The invention provides a method for continuously extracting pomelo fruit essential oil and naringin through continuous phase transition. The method comprises the following steps: extracting a pomelo fruit raw material after drying and smashing in conditions that an extracting temperature is 30-90 DEG C, a pressure is 0.3-1.8 Mpa, an extraction agent flow rate is 40-180 L / h, extraction time is 30-240 minutes, a separate temperature is 40-90 DEG C, and a separate pressure is 0.1-0.8 Mpa, to obtain the pomelo fruit essential oil through the continuous phase transition, and extracting the naringinin the conditions that the extracting temperature is 30-95 DEG C, the pressure is 0.1-1.5 Mpa, the extraction agent flow rate is 20-150 L / h, the extraction time is 2-18 hours, the separate temperature is 40-90 DEG C, and the separate pressure is 0.1-1 Mpa. The method is capable of extracting by using a continuous phase transition technology, high in extraction purity, safe, environmentally friendly, low in cost, and suitable for large-scale industrialized production.

The invention provides a continuous phase-changed extraction method for orange peel oil. The method comprises the following steps of: placing dry crushed orange peel raw materials into an extraction kettle; compressing an extraction agent into a liquid under the condition that the pressure and the temperature are always lower than the critical pressure and the critical temperature of the extraction agent; enabling the extraction agent to flow through the extraction kettle at the flow speed of 100-150L / h under the conditions that the extraction temperature ranges from 35 DEG C to 55 DEG C, and the extraction pressure ranges from 0.5MPa to 2MPa, and continuously extracting for 50-120min; after the orange peel oil is extracted, enabling the extraction agent to flow into a liberation kettle for liberating at the temperature of 65-75 DEG C and the pressure of 0.1-0.4MPa; heating and carrying out pressure-reduced phase change on the extraction agent to enable the extraction agent to become a gas, then, immediately condensing the gas to enable the gas to become a liquid, and enabling the liquid to flow through the extraction kettle for extracting the materials again; and circulating many times in such a way. The continuous phase-changed extraction method has the advantages of high supercritical extraction efficiency, no solvent residues in products and high aroma component retention rate; in addition, the extraction pressure and the liberation pressure are lower than the supercritical pressure and temperature; and meanwhile, the continuous phase-changed extraction method has the characteristics of large extraction volume, high mass handling capacity and low production cost of a conventional solvent.

The invention relates to an automatic feeder machine for a grinding machine and a processing method thereof, designed for solving the technical problem that structural design of a like product is not good enough. The automatic feeder machine for the grinding machine is arranged on a lathe, the lathe is provided with a power distribution box, a feeder machine, a cutting board frame, a pipe adjusting frame, a ball valve and a cooling liquid pipe; key points are as follows: a base of the automatic feeder for the grinding machine is arranged at the front part of the lathe by virtue of a fixing base plate, the base is provided with a sliding block and a feeding pipe, the sliding block is opposite to the feeding pipe, the sliding block is provided with a third cylinder, the feeding pipe is connected with the feeder machine; a base corresponding to a cutting board table is provided with a second cylinder, the second cylinder is provided with a second magnetic switch and a feeding ejector rod; a cutting board table at the rear part of the lathe is correspondingly provided with a fourth cylinder, the fourth cylinder is provided with a discharging magnetic switch and a discharging ejector rod; and the lower base of the base of the lathe is provided with a discharge chute, an upper base is provided with a first cylinder, and the first cylinder is provided with a first magnetic switch. The automatic feeder machine provided by the invention is applicable to processing of a transmission shaft of a juice extractor and structural improvement of similar lathes and products.

The invention provides a method for removing ricin in castor pulp by continuous phase-change extraction, which comprises the following steps: putting a castor pulp raw material into an extraction kettle, and carrying out continuous extraction at 45-95 DEG C under the extraction pressure of 0.15-0.95 Mpa for 100-250 minutes at the flow rate of 130-210 L / hour; and after extracting the castor pulp, enabling the liquid to flow into a resolution kettle, and resolving at 70-95 DEG C under the pressure of -0.15 to -0.05 Mpa. The extractant is heated under reduced pressure into a gas phase and instantly cooled into a liquid, flows through the extraction kettle, and is subjected to toxin removal; and the cycle is repeated many times. The extractant is 30-100% methanol, ethanol and butanol. The method has the advantages of high toxin removal efficiency, almost no solvent residue and short time, and has the characteristics of high conventional solvent extraction capacity, high batch treatment capacity, low production cost and the like.

The invention relates to a multifunctional walking aid, and aims art solving the technical problems that an existing similar product is single in function and poor in structural design. A rest of the walking aid is formed by connecting two supports symmetrically arranged on the two sides through a cross beam, and the support on each side is provided with a U-shaped reinforcement tube; the cross beam arranged between the supports of the rest is internally provided with a GPS, a gravity sensor, an alerter, a timer, a rechargeable battery and a control circuit board, the cross beam is provided with a charging port and a battery cover, an LED lamp is arranged on the portion, where the U-shaped reinforcement tube is located, of each support, the armrest part of the support on one side is provided with a lamp button and an alarm button, and the lamp button, the alarm button, the LED lamp, the GPS, the gravity sensor, the alerter, the timer and the rechargeable battery are connected with the control circuit board through circuits; a canvas frame fixed to latch hooks and shelves form a seat surface through canvas, an axle of a walking wheel on the front side of each support is provide with a lock knob moving up and down, an arm sleeve and a holding rod are arranged on one side of a walking stick of the rest, and an umbrella handle of an umbrella is fixed to the arm sleeve.

The invention provides a method for removing toxin allergen in castor pulp by continuous phase-change extraction, which comprises the following steps: putting a castor pulp raw material into an extraction kettle, and carrying out continuous extraction at 50-100 DEG C under the extraction pressure of 0.1-1.0 Mpa for 60-240 minutes at the flow rate of 130-180 L / hour; and after extracting the castor pulp, enabling the liquid to flow into a resolution kettle, and resolving at 60-100 DEG C under the pressure of -0.10 to -0.09 Mpa. The extractant is heated under reduced pressure into a gas phase and instantly cooled into a liquid, flows through the extraction kettle, and is subjected to toxin removal; and the cycle is repeated many times. The extractant is 55-100% methanol, ethanol or butanol. The method has the advantages of high toxin removal efficiency, almost no solvent residue and short time, and has the characteristics of high conventional solvent extraction capacity, high batch treatment capacity, low production cost and the like.

The invention discloses a method of extracting decapterus maruadsi oil through low-temperature continuous phase transition and decapterus maruadsi oil.The method includes: placing decapterus maruadsi powdery raw materials in an extraction kettle; under conditions of extraction temperature of 40-60 DEG C and extraction pressure 0.3-1.0 Mpa, compressing an extraction agent into liquid, enabling the liquid to flow through the extraction kettle at a flow rate of 100-150 L / h for continuous extraction of 30-110 min, and after decapterus maruadsi oil is extracted, enabling the liquid to enter an analysis kettle with analysis temperature of 50-80 DEG C and analysis pressure of 0.1-0.4 Mpa; performing phase transition on the extraction agent to form gas, immediately compressing the gas into liquid, enabling the liquid to flow through the extraction kettle, extracting materials again, enabling the materials to carry oil to enter an analysis tank through a solvent of an extraction tank, and obtaining a decapterus maruadsi oil product after analysis.Compared with conventional extraction methods, the method is accurate and stable in process, the decapterus maruadsi oil is high in quality, extraction rate is increased remarkably, and efficient extraction of ocean low-value decapterus maruadsi oil is realized, so that cost can be saved, product yield can be increased, and economic benefit of production enterprises can be improved.