12 results about "Biodiesel feedstock" patented technology

The utility model discloses a system for extracting a biodiesel raw material from kitchen waste. The system comprises a pulping pulverizer, a mixing distributor, a heat exchanger and a three-phase separation tank, wherein the pulping pulverizer and the mixing distributor are connected through a slurry circulating pipe, and a forced circulating pump is arranged on the slurry circulating pipe; the heat exchanger is connected to the top of the mixing distributor, the three-phase separation tank is connected to the top of the heat exchanger, a horn-shaped filter cover is arranged in the middle of the interior of the three-phase separation tank, the top end of the horn-shaped filter cover is connected with a solid-liquid mixture circulating pipe, and the solid-liquid mixture circulating pipe is connected with the pulping pulverizer; the pulping pulverizer at the top end of the three-phase separation tank is connected with the secondary steam circulating pipe; the pulping pulverizer, the mixing distributor, the heat exchanger and the three-phase separation tank are all of a closed structure. The system disclosed by the utility model has the characteristics of high oil phase extraction rate, good oil-water separation effect and low energy consumption, and provides important technical support for promoting resource utilization of the kitchen waste.

The application discloses an algae biological rotating disc system and a method for treating aquaculture tail water and collecting microalgae by using the system. The algae biological rotating disc system comprises a reaction tank body, a rotating disc assembly and a collecting device, the rotating disc assembly is arranged in the reaction tank body, the rotating disc assembly comprises a rotatable rotating shaft and a rotating disc fixed on the rotating shaft, the rotating shaft is arranged through the reaction tank body, so that the rotating disc assembly rotates relative to the reaction tank body, the rotating disc comprises a disc piece and a carrier layer, the disc piece is provided with a supporting surface, the carrier layer is detachably fixed on the supporting surface, and the surface water contact angle of the carrier layer is greater than 90 degrees; and the collecting device comprises a scraper or a scraper knife and a collecting container for collecting algal sludge. The application can collect algal sludge with a water content of 70% to 85% and a microalgae purity of greater than or equal to 80% by using aquaculture tail water as a culture medium to produce microalgae biomass, and can be used for protein feed, bait or biodiesel raw material, and can simultaneously realize sewage purification.

This application relates to the field of dehydration and discloses a biodiesel feedstock dehydration device. The device includes a mounting plate with a dehydration tank assembly at its upper end. A sealing cover is located at the upper end of the dehydration tank assembly. Multiple snap-fit ​​plates are fixedly connected to the side of the sealing cover until the lower surface of the screw handle contacts the snap-fit ​​plates, thus restricting the position of the snap-fit ​​plates and fixing the sealing cover in place at the upper end of the dehydration tank assembly for convenient subsequent operation. When the sealing cover needs to be opened, the operator holds the screw handle to move the threaded rod away from the rotating rod, facilitating rotation of the rotating rod. This causes the threaded rod to rotate out of the slot in the snap-fit ​​plate, allowing for subsequent repositioning of the sealing cover. The rotating shaft plate is designed to cooperate with the rotation of the rotating rod.

The invention discloses a biodiesel raw oil pretreatment production device, and relates to the technical field of oil pretreatment devices.The biodiesel raw oil pretreatment production device comprises a device body, a first motor is fixedly mounted on the outer side of the device body, a threaded rod is fixedly mounted at the output end of the first motor, a moving block is in threaded connection with the threaded rod, and a guide groove is formed in the wall body of the device body; a cross-shaped sliding groove is formed in the inner side of the moving block. A plurality of oil storage barrels are hung on a plurality of hooks correspondingly, the oil storage barrels are put into a water bath heating pool for hot bath, melting is conducted through heat conducted by hot water, a second motor is started after melting is completed, a threaded rod rotates so that a moving block can move, and under guiding of a guiding groove, a vertical sliding block slides upwards in a cross-shaped sliding groove; the right-angle plate firstly ascends in an inclined mode and then continues to horizontally move away from the water bath heating pool so as to be conveniently taken down subsequently, and multiple oil storage barrels can be conveniently and simultaneously pretreated at a time.

The utility model relates to the technical field of biodiesel raw material dehydration, in particular to a biodiesel raw material dehydration device which comprises a reaction tank body, the reaction tank body is divided into a water-oil separation area and a water evaporation area from top to bottom, a water-oil separator is movably arranged in the water-oil separation area in a penetrating mode, a heater is arranged in the water evaporation area, and a height adjusting assembly is installed on the reaction tank body. The height adjusting assembly is connected with the top of the water-oil separator. Compared with the prior art, the water-oil separation area and the water evaporation area are arranged, so that biodiesel raw materials are subjected to primary water-oil separation through the water-oil separator in the water-oil separation area and then enter the water evaporation area to be stirred, heated and subjected to secondary dehydration, water vapor in the biodiesel raw materials is evaporated, and the dual dehydration effect is achieved; and the separation filter tank is driven to integrally ascend through the height adjusting assembly, so that the separation tank is separated from the reaction tank body, a worker can conveniently and quickly clean and replace the separation filter tank and the water-oil separation membrane, and the working efficiency of the device is improved.

The invention relates to the technical field of separation equipment, in particular to a multi-stage separation system for pure biodiesel and a using method thereof, and the multi-stage separation system comprises a rack, a fixed filtering structure, a collecting barrel body and a movable filtering mechanism; the fixed filtering structure comprises a filtering box body and a filtering net plate, and the filtering net plate is fixedly arranged in the filtering box body; a first penetrating through hole for the movable filter screen cloth to penetrate through is formed in the filter box body, the movable filter screen cloth is arranged on the filter screen plate, the unwinding assembly is used for unwinding the movable filter screen cloth, and the winding assembly synchronously winds the movable filter screen cloth after oil is filtered; the collecting barrel is arranged on the side, close to the rolling assembly, of the filtering barrel and used for receiving oil dripping from the movable filtering net cloth on the rolling assembly. According to the device, the risk that the separated solid impurities block the movable filter screen cloth can be reduced, so that oil plants can smoothly penetrate through the movable filter screen cloth and the filter screen plate, and the filtering and separating efficiency of pure biodiesel raw materials is improved.

The invention discloses a method for purifying and treating waste kitchen oil and a treatment device based on the method, comprising the following steps: filtering the waste kitchen oil after heating, filtering some solid impurities and performing sedimentation separation, obtaining crude oil and oil residue after sedimentation separation; after filtering the crude oil, adding the crude oil and waste glycerol in a ratio of 10:1, adding a certain amount of water, and having a stronger ability to wash colloids, and then separating through a butterfly centrifuge, obtaining oil for drying, and treating the separated wastewater for sewage treatment; the oil residue is homogenized by heating, and ionization occurs when boiling at 90 degrees, and then undergoes three-phase separation to obtain crude oil, wastewater and solid residue from top to bottom, and the obtained crude oil is treated again through step 2), and the wastewater is treated for sewage treatment. Compared with the prior art, the invention not only treats the waste oil cleanly to meet the requirement of reducing environmental pollution, but also meets the requirement of manufacturing biodiesel raw materials, and has important significance for the existing kitchen waste treatment.

The invention relates to the field of analytical chemistry, in particular to a method for detecting cardanol pollutants in a biodiesel raw material. The invention relates to a method for detecting cardanol pollutants in a biodiesel raw material, which adopts a gas chromatography-hydrogen flame ionization detection method, takes a fatty acid ester compound as an internal standard substance, and realizes synchronous separation and quantitative analysis of cardanol, cardiac phenol and anacardic acid through temperature programming. The fatty acid ester compound is selected from saturated fatty acid methyl ester or palmitic acid palmitate with the carbon chain length of C19-C32. By adopting the technical scheme, the high separation efficiency of the gas chromatography is utilized, and the temperature programming technology is combined, so that the three substances sequentially flow out in the chromatographic column according to the boiling point and polarity difference, synchronous separation is realized, and missing detection caused by single substance detection is avoided.

The utility model provides an enzymatic biodiesel reaction kettle which comprises a kettle body, a one-way valve is mounted at the bottom of the kettle body and at the upper end of a circulating tank, a detachable tank cover is mounted at the upper end of the circulating tank, a communicating pipe is mounted on the outer surface of the upper end of the circulating tank, and the other end of the communicating pipe is mounted on the outer surface of the upper end of the kettle body. A piston is slidably mounted in the circulating tank, a vertically-arranged hydraulic cylinder is mounted at the bottom of the circulating tank, the movable end of the hydraulic cylinder extends into the circulating tank and is fixedly connected with the piston, and a Z-shaped condensation gas outlet pipe used for being connected with tail gas treatment equipment is mounted on the outer surface of the upper end of the circulating tank. The biodiesel raw material recycling device disclosed by the utility model has the beneficial effects that the recycling times of biodiesel raw materials can be conveniently and intuitively judged, and the efficiency is improved.

The invention relates to the technical field of preparation of biodiesel raw materials, in particular to a solid acid catalyst and application thereof in preparation of a second-generation biodiesel raw material. The solid acid catalyst provided by the invention comprises a polymer carrier and an acidic group connected to the carrier, the polymer carrier comprises at least two aromatic ring-containing vinyl monomers, and at least one of the aromatic ring-containing vinyl monomers contains a functional group capable of adjusting acid distribution or hydrophobicity; the acidic group comprises at least one of a sulfonic acid group, a phosphate group and a carboxyl group. According to the invention, at least two polymers containing aromatic ring structures are used as carriers, and acidic groups are grafted on the polymer carriers to form high-density acidic sites, so that when the polymer carriers are applied to preparation of second-generation biodiesel raw materials, the treatment efficiency and the recycling stability are higher, and the acid value, the metal content and the phosphorus content are effectively reduced; the problems of equipment corrosion, waste acid treatment and environmental risk are effectively avoided, and the engineering feasibility of the waste grease pretreatment process is remarkably improved.

The invention relates to the field of biodiesel production, in particular to a biodiesel preparation method and application thereof.The preparation method comprises the steps that raw materials needed for biodiesel preparation are weighed and subjected to impurity removal, and after the raw materials are subjected to impurity removal, the raw materials are smashed through smashing equipment; the yeast is uniformly distributed in the raw materials and is in full contact with the raw materials, so that the mixing time is shortened, and after the yeast is in full and uniform contact with the raw materials, the fermentation of the raw materials can be better promoted, the fermentation time is shortened, and the fermentation efficiency is improved; the problems that when yeast is added after a biodiesel raw material is crushed, the yeast needs to be fully stirred to be mixed with the raw material, the raw material stirring time in an existing preparation process is long, the yeast is not uniformly distributed in the raw material and is not fully contacted with the raw material, and the biodiesel fermentation time is long are solved.

The utility model discloses an energy-saving stirring device for a biodiesel raw material oil sludge transition tank. The energy-saving stirring device comprises the oil sludge transition tank, a centrifugal machine and a centrifugal pump, the oil sludge transition tank is provided with a steam coil, the top of the tank is provided with a tail gas pipe and an oil sludge feeding pipe, an outlet pipeline at the bottom of the tank is divided into two paths after being connected with a discharging valve, one path is connected with a compressed air inlet pipe with an air inlet valve, the other path is connected with a centrifugal pump after being connected with a pump front valve, and an outlet pipeline of the centrifugal pump is divided into two paths; one path is connected to a centrifugal machine after being connected with a feeding valve, and the other path is connected with a return pipe with a return valve, and the return pipe is connected to the top of the transition tank. The device disclosed by the utility model is low in equipment investment, uniform in stirring and low in energy consumption, and solves the problems of high equipment investment, high maintenance cost and high energy consumption in the prior art.