348 results about "Biodiesel" patented technology

The invention relates to the technical field of biodiesel hydrogenation catalysts, and particularly discloses a hydrogenation catalyst of organic bentonite loaded cerium-zirconium solid solution and nickel-molybdenum phosphide as well as a preparation method and application of the hydrogenation catalyst. The hydrogenation catalyst with the organic bentonite loaded with the cerium-zirconium solid solution and the nickel-molybdenum phosphide comprises an organic bentonite carrier, the cerium-zirconium solid solution and the nickel-molybdenum phosphide, the loading capacity of the cerium-zirconium solid solution on the organic bentonite carrier is 2-2.5 wt%; the cerium-zirconium solid solution comprises cerium dioxide and zirconium dioxide; the loading capacity of the nickel molybdenum phosphide on the organic bentonite carrier is 10-15 wt%; and the nickel molybdenum phosphide is Ni2Mo3P. The organobentonite carrier provides an acid site and promotes deoxidation path optimization, the layered structure of the organobentonite carrier can limit the cerium-zirconium solid solution and the nickel-molybdenum phosphide, and organic groups are also embedded into the layered structure, so that the organic compatibility of the organobentonite carrier to biodiesel is improved, and the catalytic efficiency is improved. The cerium-zirconium solid solution provides oxygen vacancies, promotes hydrogenation / deoxidation, and improves the thermal stability and sintering resistance of the catalyst.

The invention discloses a molasses-based biomass sulfonated carbon catalyst preparation method, which comprises: grinding and mixing solid molasses and sodium hydroxide, calcining at 500-650 DEG C in an inert atmosphere to obtain activated carbon, and carrying out a sulfonation reaction on the activated carbon and concentrated sulfuric acid to obtain the catalyst. According to the method, by-product molasses in the sugar industry is taken as a raw material, a carbon source is rich in source, low in price and easy to obtain, the process is simple, the catalyst has relatively high specific surface area and conversion rate, the by-product can be utilized in a high-valued manner, and the method has certain industrial practical value.

This application discloses an ionic liquid catalyst for producing renewable fuel from waste oils and fats, as well as its preparation method and application, belonging to the field of waste oil and fat processing technology. Using a self-synthesized ionic liquid catalyst to catalyze the hydrogenation of waste oils and fats to produce renewable fuels, this catalyst can adsorb or convert impurities in the waste oils and fats into products, improving product yield and quality. This paves the way for the industrialized production of second-generation biodiesel from waste oils and fats.

The invention discloses a resource regeneration method of waste lubricating oil, relates to the technical field of petrochemical engineering, and belongs to the patent classification number C10M175 / 06. The preparation method comprises the following steps: adding a composite flocculant into the waste lubricating oil, heating and stirring, and then carrying out magnetic separation to obtain pretreated waste lubricating oil; uniformly mixing the pretreated waste lubricating oil, glycerol and a Ni / Al2O3 catalyst, then heating and reacting under pressure, and cooling to room temperature to obtain a catalytic hydrogenation product; and carrying out reduced pressure distillation on the catalytic hydrogenation product, recovering the lubricant base oil fraction, adding methanol and concentrated sulfuric acid into the distillation residual liquid, heating for esterification reaction, and separating the liquid to obtain the biodiesel. In the pretreatment process, the composite flocculant is used for removing acid and particle impurities in the lubricating oil, a traditional alkali adding neutralization precipitation process is replaced, the method is environmentally friendly, and the recovery cost of enterprises is reduced.

The invention discloses a supported composite zinc catalyst and application thereof in biodiesel, and belongs to the technical field of catalyst preparation. The supported composite zinc catalyst provided by the invention comprises the following components: an AlPO4-SiO2 composite carrier, a zinc-cerium bimetallic active component supported on the carrier, and a hydrophobic modification layer coated outside the active component. The supported composite zinc catalyst has higher tolerance to moisture and free fatty acid in the waste grease, saponification side reaction is reduced, raw material pretreatment requirements are simplified, the catalyst is easy to recover and reuse, and production cost and environmental burden are remarkably reduced.

The invention discloses immobilized lipase based on bifunctional silicon dioxide as well as a preparation method and application of the immobilized lipase. Hydrophobic modification and covalent modification are performed on the surface of mesoporous silicon dioxide to obtain a bifunctional silicon dioxide carrier; the hydrophobic modification is any one of methylation modification, octylation modification, octadecyl alkylation modification, esterification modification and bromopropylation modification. The dual-functionalized silicon dioxide carrier is used for immobilization of lipase, and the prepared immobilized lipase can be used for production of biodiesel. The immobilized lipase provided by the invention is mild in enzyme reaction condition, good in biocompatibility, relatively high in enzyme activity, and excellent in stability and repeatability. In addition, by changing the ratio of the covalent modifier to the hydrophobic modifier, the catalytic activity and stability of the immobilized enzyme and the biodiesel yield are remarkably improved.

The present disclosure generally relates to systems and methods utilizing regenerative agriculture for the procurement, production, refinement and / or transformation of low carbon intensity transportation fuels, including low carbon intensity biodiesel and / or renewable diesel, low carbon intensity biogasoline, low carbon intensity aviation, marine and kerosene fuels as well as fuel oil blends, low carbon intensity ethanol, and low carbon intensity hydrogen, that may be beneficially commercialized directly to consumers. In further aspects, the systems and methods of the present disclosure advantageously generate low carbon intensity comestibles, including sustainably-sourced meal and / or feed. The disclosed systems and methods may be utilized and optimized such that the resulting fuels and foodstuffs are characterized by a reduction in greenhouse gas production and a diminution in the fertilizer, pesticide and water required for producing the associated crop feedstocks.

The invention relates to the field of biodiesel catalytic materials, and particularly discloses a catalyst for kitchen waste oil, a preparation method and biodiesel. The catalyst for the kitchen waste oil is prepared from a Fe3O4-SiO2-Pr < 3 + > nano-particle carrier and a lipase solution, the catalyst is prepared from a Pr (NO3) 3 solution doped with Pr < 3 + > being 0.88-0.92 wt%, the lipase solution is a pseudomonas lipase solution with the concentration being 22-28 mg / mL, and the pH is 7.0; the preparation method comprises the following steps: preparing Fe3O4 nanospheres, coating the surfaces of the Fe3O4 nanospheres with SiO2 layers, dipping the Fe3O4 nanospheres in a Pr (NO3) 3 solution, carrying out calcination treatment to obtain a Fe3O4-SiO2-Pr < 3 + > nanoparticle carrier, placing the carrier in a lipase solution, carrying out adsorption fixation, and separating out the carrier to obtain the catalyst. The catalyst is used for processing biodiesel and has the advantages of being easy to recycle, high in loading capacity, low in activity loss and good in stability.

The invention discloses a method for efficiently preparing a fatty acid type anti-wear agent based on biodiesel, which comprises the following steps: freezing and crystallizing the raw material biodiesel, filtering, evaporating and dealcoholizing, carrying out enzyme hydrolysis, insulating and layering, and rectifying under reduced pressure to finally obtain the fatty acid type anti-wear agent. Wherein the fatty acid composition of the crude methyl ester can be directionally regulated and controlled through freezing crystallization and filtering processes; through the synergistic effect of enzyme hydrolysis reaction and high-vacuum rectification separation coupling, efficient production of the fatty acid anti-wear agent prepared from biodiesel is achieved, the production period is greatly shortened, and the product quality is improved. According to the technology disclosed by the invention, the high-quality fatty acid type anti-wear agent can be produced economically, greenly, efficiently and stably, and the acid value of the product is stabilized between 198-203mgKOH / g oil and meets the Q / SHCG 57-2017 standard. The method has the advantages of low raw material requirement, wide application range, high production efficiency, high product quality, reproducible and reusable catalyst and the like, and is suitable for industrial production.

The invention relates to the technical field of reactors, and discloses a countercurrent tower reactor and a biodiesel synthesis process, through cooperation of a stirring assembly and a cleaning mechanism, after entering a tower body, an oil material falls onto a filter plate, and the filter plate filters out oil dirt in the oil material; meanwhile, under the driving of the stirring shaft, the filter plate moves towards a cleaning shovel of the sewage discharging assembly, oil dirt on the filter plate is shoveled into a conveying groove through the cleaning shovel, and then the oil dirt is conveyed out of the tower body through a conveying rod, so that the oil dirt removal efficiency is improved. And along with the continuous rotation of the stirring shaft, the cleaned part on the filtering plate rotates to the position below the oil inlet again to filter the oil, so that the cleaning mechanism can effectively work for a long time, and the production efficiency of the device is improved.

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 invention provides a molecular modification design method for improving esterification activity of lipase. The method comprises the following steps: calculating a channel structure of lipase to be modified through CAVER ANALYST 2.0, determining a modification site through comprehensive measurement of other calculation tools, establishing a mutant library by adopting NNK degenerate codons for site-saturated mutation, and screening out excellent mutants with improved esterification performance by adopting a microwell plate screening method based on a copper soap complexing method. According to the candida antarctica lipase B mutant M5 disclosed by the invention, in various different types of esterification reactions, the catalytic efficiency of the mutant M5 is improved by 4.5 times or more than that of a wild type. The molecular modification design method disclosed by the invention can be used for improving the esterification performance of the lipase and has relatively wide esterification reaction application applicability, so that the lipase mutant can play an important role in industrial application in the fields of foods, medicines or biodiesel and the like.

The utility model discloses a device for preparing fulvic acid through hydrothermal reaction of wet garbage. The device comprises a hydrothermal reaction unit, a solid fulvic acid production unit, a biodiesel separation unit and a concentration and evaporation unit, the hydrothermal reaction is divided into four stages, relatively simple control parameters can be set in the industrialization process, and personnel operation and monitoring are facilitated. Even if a problem occurs in a certain stage, related problems can be quickly solved according to parameter requirements. In the concentration and evaporation stage, the temperature rise amplitude of the low-concentration fulvic acid liquid is controlled through two-stage heating, and energy consumption in the operation process is reduced. Heat sources (hot water and steam) in the concentration and evaporation stage can be used for front-end material slurry preparation and steam type drying machines and heating of low-concentration fulvic acid, use of additional heat sources is reduced, and investment cost of equipment (steam generator) in the construction process and subsequent operation cost are reduced.

The invention relates to the technical field of catalysts, and particularly discloses a Ni-Cu-CeO2 / ZrO catalyst for improving oxidation stability of biodiesel and a preparation method of the Ni-Cu-CeO2 / ZrO catalyst. The invention discloses a Ni-Cu-CeO2 / ZrO catalyst for improving oxidation stability of biodiesel. The Ni-Cu-CeO2 / ZrO catalyst comprises a carrier, an active component and an auxiliary agent, the carrier is a CeO2-ZrO2 composite oxide; the active components are Ni and Cu; ni accounts for 3-5 wt% of the mass of the catalyst, and Cu accounts for 1-3 wt% of the mass of the catalyst; the auxiliary agent is La2O3; the preparation method comprises the following steps: firstly preparing the CeO2-ZrO2 carrier by adopting a coprecipitation method, then impregnating nickel nitrate, copper nitrate and lanthanum nitrate in an isopyknic manner, and then carrying out stepped roasting to obtain the catalyst. The catalyst has high catalytic activity and stability, unsaturated fatty acid ester in biodiesel can be removed, the oxidation stability of the biodiesel is improved, and the cost of the catalyst is lower than that of a noble metal catalyst.

The invention belongs to the technical field of biodiesel and bio-based lubricating oil. The method comprises the following steps: reacting grease, aromatic hydrocarbon and a zeolite molecular sieve catalyst at a certain temperature for a period of time, then distilling and separating to obtain aryl grease, and finally co-producing biodiesel and hydrocarbon lubricating oil components by adopting a hydrodeoxygenation method. The preparation method provided by the invention avoids the use of fossil energy, solves the problem of complex synthesis steps of bio-based lubricating oil, and has important significance on high-value utilization of biomass resources.

The invention discloses a biodiesel filtering system and method and a mining excavator, and the system comprises a filling pipeline which is connected between a refueling vehicle and a vehicle oil tank, and is provided with a diesel coarse filter; the filtering pipeline comprises a first pipeline and a second pipeline, the first pipeline is connected between a vehicle oil tank and an engine, an oil-water separator, a fuel oil primary refined filter, a fuel oil water-containing sensor and a three-way electromagnetic valve are sequentially installed on the first pipeline, the second pipeline is connected between the three-way electromagnetic valve and the engine in parallel, and a fuel oil secondary refined filter is installed on the second pipeline; the oil-water separator comprises a fuel lift pump, a water level sensor and a water discharge electromagnetic valve; and the vehicle control unit is respectively connected with the water level sensor, the water discharge electromagnetic valve, the fuel oil water content sensor, the three-way electromagnetic valve and the instrument. According to the invention, real-time and accurate detection of the water content of the biodiesel is realized, the filtering level of refined filtration of the biodiesel can be adjusted in time, and the quality of the biodiesel entering an engine is accurately controlled.

The invention provides sulfonated ionic liquid as well as a preparation method and application thereof, the preparation method of the sulfonated ionic liquid comprises the following steps: dropwise adding sultone into an organic solution of 2-amino-5-sulfydryl-1, 3, 4-thiadiazole, and carrying out condensation reflux reaction at 90 DEG C for 24 hours; carrying out reduced pressure suction filtration to remove the solvent, washing the solid, and drying to obtain an ionic liquid onium salt precursor; dissolving the ionic liquid onium salt precursor in water, slowly dropwise adding inorganic acid, and reacting at 90 DEG C for 10 hours; and after the reaction is finished, performing reduced pressure distillation to remove water, washing the solid to remove the inorganic acid, the residual raw materials and byproducts, performing reduced pressure distillation to obtain a solid, and drying to obtain the sulfonated ionic liquid. The sulfonated ionic liquid does not corrode equipment, can efficiently catalyze oleic acid esterification reaction to prepare biodiesel, and can be recycled. The sulfonated ionic liquid disclosed by the invention has good application prospects and large-scale popularization potential in the field of catalyzing oleic acid to prepare biodiesel.

The invention belongs to the field of biofuel preparation through grease hydrogenation, and provides a catalyst for biofuel preparation through waste grease one-step hydrogenation and a preparation method of the catalyst. The catalyst is a non-supported NixMoyWz-kHY catalyst, and the preparation method of the catalyst comprises the following steps: uniformly mixing a nickel source, a molybdenum source and a tungsten source according to a certain proportion, adding deionized water and a reaction aid ethylene glycol, dissolving, heating, stirring, adding an ammonia water-ethanolamine mixed solution, complexing, steaming until the pH value of the solution is 7-8, and filtering to obtain the catalyst. And adding a certain amount of HY molecular sieve powder, methyl cellulose (MC) and citric acid into the solution, filtering the reaction solution, drying the filter cake at 120 DEG C, performing extrusion molding, and roasting to obtain the catalyst. The catalyst provided by the invention effectively solves the problems of high oxygen content, difficulty in deep isomerization and the like in the waste oil and fat, has the functions of hydrodeoxygenation, cracking and isomerization at the same time, and realizes one-step conversion of the waste oil and fat into biological aviation kerosene and biodiesel. Besides, the non-supported catalyst adopted by the invention has high-activity center density, the problems of aging and shedding of the carrier are not needed to be worried about, and the preparation method of the catalyst is simple, environment-friendly and pollution-free, and meets the requirements of industrial preparation.

The present invention relates to a photobioreactor system which allows the use of carbon dioxide in algae cultivation by fixing carbon dioxide, integrated into closed system small and large cattle breeding activities and breeding activities. Within the scope of the invention, it is also possible to use the obtained algae-derived biomass in animal breeding as feed, in agriculture as biofertilizer, in the food and health sector as coloring and antioxidant pigment, and as biomass for biofuel, biodiesel, bioplastic and bioenergy production. A method for regulating the air supply to a photobioreactor is also disclosed.

The utility model relates to the technical field of biodiesel production, in particular to a catalyst separation and recovery device for converting waste oil and fat into biodiesel, which comprises a separation tank. A feed pipe is fixedly connected to the rear position at the upper end of the separation tank, a waste discharge pipe is fixedly connected to the middle position at the lower end of the separation tank, two observation windows are fixedly connected to the front surface of the separation tank, and two adjusting components are arranged at the front position at the upper end of the separation tank. The adjusting components include a positioning sleeve, a connecting seat, a threaded sleeve, a first bevel gear, a second bevel gear, an electric motor, a threaded pipe, a connecting block, a positioning block, a discharge pipe, a first suction pipe, a second suction pipe, a positioning rod and a limiting block; the threaded pipe is driven to lift through the adjusting components, so as to adjust the heights of the first suction pipe and the second suction pipe, so that the floating oil and esterified glycerol can be accurately sucked, the separation quality of the esterified glycerol is effectively improved, the purity of the catalyst recovery is further improved, and the waste of the esterified glycerol is avoided.

The application discloses a method for preparing a hydrogenation deoxidation intermediate by using conjugated fatty acids and application thereof, and belongs to the technical field of oil production biofuel. The method comprises the following steps: (1) subjecting conjugated fatty acids and a dienophilic monomer to a Diels-Alder addition reaction to obtain an addition product; and (2) removing unreacted raw materials from the addition product, so that the hydrogenation deoxidation intermediate is obtained. The method breaks the traditional idea of deoxidation first and isomerization later, and instead adopts the idea of "structure modification first and hydrogenation deoxidation later" to prepare the hydrogenation deoxidation intermediate, so that the hydrogenation isomerization process can be omitted, the generation of cracking products is reduced, the content of isomerization products in the biodiesel is significantly improved, and higher-quality biofuel is obtained.

The present application provides a kind of biodiesel drilling fluid and its preparation method and application, the biodiesel drilling fluid includes the combination of water phase, oil phase, emulsifier, wetting agent, organic soil, filtrate reducer and quicklime, and the oil phase is biodiesel;With the biodiesel as oil phase, water phase and other additives are matched, so that the biodiesel drilling fluid obtained has the advantages of environmental protection, low price, low biological toxicity and easy degradation;And under the low addition amount of emulsifier, stable water-in-oil emulsion can still be formed, and it also has the advantages of low oil-water ratio, high viscosity and shear, strong rock-carrying capacity, good rheological property and good suspension stability.

The present invention relates to a preparation method and application of a black soldier fly worm sand biomass carbon-based solid acid catalyst. The preparation method comprises the following steps: first, the black soldier fly worm sand is sieved with a sieve, and then the sieved black soldier fly worm sand is added to a sodium hydrosulfide solution and stirred and soaked for several hours. The pretreated black soldier fly worm sand is washed three times with deionized water and dried in an oven for 24 hours. Finally, the pretreated and dried worm sand is pyrolyzed and carbonized at high temperature in a nitrogen atmosphere for several hours to obtain a biochar-based solid acid catalyst material. The present invention uses biomass worm sand as raw material, which is cheap and easily available, reduces the production cost of solid acid catalysts and biodiesel, and improves the utilization value of renewable resources. In the present invention, the carbon-based material is pretreated with a sodium hydrosulfide solution, which not only improves the acid catalytic activity of the catalyst, but also improves the pore structure of the catalyst, thereby improving the catalytic activity of the carbon-based material as a whole, and is expected to become a highly competitive clean process route.

The application discloses a kind of bifunctional catalyst and its application in microwave-assisted preparation of biodiesel, belong to catalysis technical field.The application introduces cobalt metal in ZIF-8 skeleton, when MOFs derivative is prepared by calcination, the introduction of transition metal can construct magnetic center, adjust the magnetic loss ability of derivative material, so that the prepared catalyst has strong wave-absorbing performance under 2.45GHz industrial microwave field, can effectively absorb microwave energy and convert it into heat energy, thereby improving the energy utilization efficiency of reaction system, and finally improving the catalytic performance of catalyst, further improve the preparation efficiency of microwave-assisted biodiesel, and has good application value and prospect in catalysis technical field.

A drilling fluid composition is provided herein. The drilling fluid composition comprises biorenewable components, such as a polymerized biorenewable oil and at least one of biodiesel and a nonpolymerized biorenewable oil. The drilling fluid composition is thus more environmentally friendly than conventional, petroleum-based alternatives. Water-based and oil-based drilling fluids comprising the drilling fluid composition are also provided as are methods of lubricating a borehole (e.g., a downhole well) utilizing the drilling fluid composition.

According to the technical scheme, the filter element is characterized in that the filter element comprises a shell, the top of the shell is open, and the outer side of the shell is fixedly connected with an oil inlet pipe and an oil outlet pipe which are connected with the shell; the separation ring is fixedly connected to the inner wall of the shell and divides the shell into an oil inlet cavity located at the top of the separation ring and an oil outlet cavity located at the bottom of the separation ring, the oil inlet pipe is communicated with the oil inlet cavity, and the oil outlet pipe is communicated with the oil outlet cavity; the filter pipe is used for filtering diesel oil penetrating through the pipe wall of the filter pipe, the bottom of the filter pipe is closed, the top of the filter pipe is open, and the filter pipe penetrates through the separation ring and is attached to the inner wall of the separation ring; the disassembly and assembly cover is detachably connected to the top of the shell; and through the arrangement of the dismounting cover and the filter pipe, the filter pipe can be independently dismounted, so that the filter pipe is convenient to clean or replace, and the use cost of the filter element is reduced.

The invention relates to the technical field of biofuels, and discloses an aviation kerosene biological alternative fuel based on multi-objective optimization, which is characterized in that a comprehensive selection index system comprising density, kinematic viscosity, thermodynamic characteristics (lower calorific value and hydrogen-carbon ratio) and molecular weight is established based on a multi-objective optimization model constructed by a genetic algorithm; the invention discloses a biological fuel formula for replacing RP-3 aviation kerosene by optimizing the design of biological alternative fuel components, the biological alternative fuel is prepared from the following components in parts by volume: 70-80 parts of second-generation biodiesel, 10-15 parts of tetrahydrofuran and 7-15 parts of isopropanol, the components are easy to obtain, the production process is simple, and the biological alternative fuel is suitable for large-scale production. The second-generation biodiesel, tetrahydrofuran and isopropanol are used as raw materials, the obtained biofuel has low kinematic viscosity, the low calorific value reaches 43 MJ / kg or above, the physicochemical property of the biofuel is similar to that of RP-3 aviation kerosene, and the biofuel has good substitutability and wide popularization value.

The utility model discloses a kind of deep-frying smoke exhaust heat recovery structure, it is related to heat recovery field.The utility model includes: water storage component, the inside of water storage component is equipped with heat exchange component, one end of heat exchange component is equipped with smoke inlet pipe, the other end of heat exchange component is equipped with separation component, the inner wall of separation component is slidably cooperated with two filter components.The utility model is filtered to flue gas by being equipped with filter component, waste oil is separated from smoke, play the role of purifying flue gas, waste oil is stored in oil tank, so that staff can secondary processing to waste oil, for producing biodiesel or other industrial use, so not only recycle heat energy, but also realize the resource utilization of waste oil, improve overall economic benefit;Through the heat exchange component of being equipped with, heat is introduced into water storage component, water source in water storage component is heated for standby, greatly improve the utilization of heat.

The utility model relates to the technical field of hydrogenated polyethylene temperature control, and discloses a hydrogenated polyethylene temperature control fluidity blending mechanism for biodiesel, which comprises a sliding base, a temperature control seat penetrates through the upper surface of the sliding base in a threaded manner, and the upper surface of the temperature control seat is fixedly connected with a temperature control component, a material barrel, a material cover and a rotating seat. According to the utility model, the structure is reasonable, raw materials are added by opening the material cover, the heater heats the raw materials in the material barrel, the raw materials in the material barrel are fully heated by stirring of the stirring rod, uneven heating is avoided, the temperature sensor senses the temperature in the material barrel, and the temperature controller regulates and controls the temperature of the heater and the temperature of the materials; the discharging pump rotates to extract the raw materials for subsequent work, the heating pipe heats the discharging pipe, the bearing adjusts the direction of the discharging pipe, the direction is adjusted according to equipment of subsequent work, the working efficiency is improved, and the situation that the temperature is too low when the raw materials are transferred, so that the raw materials are damaged, and the subsequent work is affected is avoided.

The utility model discloses a biological heavy oil cooling device for high-vacuum reduced pressure distillation of biodiesel. A distribution plate is arranged in a bottom sealing head of a tubular cooler; after the hot biological heavy oil pipe is connected with an inlet thermometer and a ball valve, one path is connected with a bottom feeding hole of the cooler, and the other path is connected with an emptying valve and an emptying pipe; the water inlet pipe is connected with a lower cooling water inlet of the cooler after being connected with a pneumatic control valve, a thermometer and a flowmeter; the cooler is provided with a drain valve and an exhaust valve; the upper half part of the cooler is provided with high-position, middle-position and low-position water outlet pipes with valves; the other ends of the three water outlet pipes are connected with a water outlet header pipe with a thermometer; the cooling areas of the coolers corresponding to the high-position, middle-position and low-position water outlet pipes are large, middle and small; a discharge hole in the top of the cooler is connected with an outlet valve, a thermometer, a check valve, a flow meter and an underground biological heavy oil tank pipe with a valve after being connected with a biological heavy oil outlet pipe; and the DCS system is connected with the pneumatic control valve and the biological heavy oil outlet thermometer through signal lines. The device is convenient and efficient to operate, and the temperature of cooled biological heavy oil is stably controlled.