本发明属于食品工业油脂生产专业，是一种萃取法提取食用油脂的工艺系统。 The present invention pertains to the food industry professional oil production, extraction is one kind of edible oil extraction process system.
目前食用油脂的生产一般采用预榨、浸出两步提取的方法提取大豆、花生、油菜籽等油料中的油脂。 At present edible oil production generally use pre-press, a two step extraction method of extracting the fuel oil extract of soybean, peanut, rapeseed and the like. 浸出是采用6号工业溶剂萃取预榨饼提油的工艺方法，6号溶剂的主要成份为正己烷。 No. 6 is the use of leaching solvent extraction pre-pressed cake industrial oil extraction process methods, the main ingredient of the solvent is n-hexane 6. 工艺方法是：首先用6号溶剂在浸出器中浸出预榨饼，然后将浸出后的饼（专业称粕）输送至蒸脱机，经蒸脱机高温蒸出其中的溶剂，粕排出本工序，蒸出的溶剂经冷凝、去水后循环使用。 Process method is: first with the solvent extraction pre-pressed cake 6 in the leaching vessel, and then leached cake (known professional meal) to the distilled off, dried and the solvent was distilled off in which high temperature steam, this meal discharging step , the solvent was distilled off by condensation, the water to be recycled. 浸出所得的由6号溶剂与食用油脂组成的浸出液（专业称混合油），经蒸发器蒸发出其中的溶剂而得毛油，溶剂蒸气经冷凝后循环使用。 6 leachate of edible oil composition and solvent leaching obtained (called professional mixed oil), and the solvent was evaporated by an evaporator to give crude oil of which the solvent vapors are condensed and recycled. 此工艺已普遍应用于油脂工业，其主要缺点是粕中蛋白质经蒸脱机高温蒸脱后被破坏，无法利用。 This technology has been widely used in oil industry, its main drawback is after meal protein is distilled off was distilled off temperature damage, it can not be used.
本发明的目的是在油脂提取过程中不经高温蒸脱去除粕中的溶剂，使粕中蛋白质不受破坏，为有效地利用植物蛋白提供条件。 Object of the present invention is without oil extraction process in the high temperature solvent was distilled off in addition to the meal, the meal that the protein is not destroyed, to provide conditions for the effective use of plant proteins.
附图是本发明的工艺流程图。 The drawings are process flow diagram of the present invention. 图中：1是暂存箱，2是提升机，3是进料料门，4是减压阀门，5是浸出器，6是出粕料门，7是粕输送机，8是混合油泵，9是加热器，10是蒸发阀门，11是混合油罐，12是压缩机，13是冷凝器，14是溶剂周转罐，15是溶剂输送泵。 FIG: 1 is a temporary storage box, a hoist 2, 3 is the feed gate, is a pressure reducing valve 4, 5 is the extractor, the door 6 is illustrating the meal, meal conveyors 7, 8 is a mixing pump, 9 is a heater, the valve 10 is evaporated, the mixing tank 11, a compressor 12, a condenser 13, transfer tank 14 is the solvent, is a solvent delivery pump 15. 工艺中使用去除了二烯烃及常压下沸点高于摄氏零度的组分的液化石油气或液化丙烷、液化丙烯、液化丁烷、液化异丁烷、液化丁烯做为浸出溶剂。 Used in the process removes diolefins and at atmospheric components boiling above LPG or liquefied propane zero degrees Celsius, liquefied propylene, liquefied butane, isobutane liquefied, liquefied butene as the extraction solvent.
暂存箱1下部出口与提升机2入口连接，提升机2出口与进料料门3连接，进料料门3安装在浸出器5的进料口上，浸出器5出粕口下装有出粕料门6，出粕料门6下部与粕输送机7连接，浸出器5上部装有减压阀门4，减压阀门4通过管道与压缩机12的进气口相连接，浸出器5上部经过管道与溶剂输送泵15出口相连，浸出器5下部经管道与混合油泵8进口相连，混合油泵8出口经管道与混合油罐11相连，混合油罐11上部经蒸发阀门10接加热器9进口，加热器9出口接浸出器5下部，压缩机12出口接冷凝器13进口，冷凝器13出口接溶剂周转罐14，溶剂周转罐14下部连接溶剂输送泵15进口。 1 escrow lower outlet connected to the inlet 2 and hoisting machine, hoisting machine 2 and the outlet 3 are connected to the feed gate, the feed door 3 is mounted on the extractor feed inlet 5, the extractor 5 with an outlet meal the meal door 6, the lower portion of the meal and meal gate 6 connected to the conveyor 7, the upper portion 5 is provided with pressure reducing valve leaching 4, the pressure relief valve 4 is connected via a gas inlet pipe and the compressor 12, an upper extractor 5 through the conduit 15 and an outlet connected to the solvent delivery pump, a lower portion of extractor 5 is connected via inlet conduit 8 to the mixing pump, the mixing pump is connected via conduit 11 to the mixing tank outlet 8, the upper portion of the mixing tank 11 via evaporator inlet valve 9 connected to the heater 10 heater 9 a lower outlet connected to extractor 5, a condenser connected to the outlet of the compressor 12 inlet 13, an outlet 13 connected to the condenser tank 14 the solvent turnover, the solvent working tank 14 connected to a lower inlet 15 solvent delivery pump.
本工艺系统运行时，压榨饼、预榨饼或需一次浸出的油料料胚在暂存箱1中暂存后，经提升机2、进料料门3进入浸出器5中，待浸出器装满后关闭进料料门3、减压阀门4和出粕料门6，由溶剂输送泵15将浸出溶剂打入浸出器5中。 This process system is running, the pressed cake, cake or pre-pressing need leached oil parison after temporary holding tank 1, via the hoisting machine 2, the feed door 3 enters extractor 5, the extractor to be installed after full feed off the door 3, the pressure-reducing valve 4 and the meal door 6, a solvent feed pump 15 into the extraction solvent to extractor 5. 在浸出器内部完成浸出过程后，由浸出溶剂和植物油组成的混合油经混合油泵8打入混合油罐11。 After completion of the leaching process inside extractor, the mixture of oil and solvent extraction of vegetable oil mixed pump 8 into mixing tank 11. 然后开启减压阀门4、蒸发阀门10，使混合油罐11里的混合油中的溶剂因减压而蒸发，并不断向混合油罐11中补充热量，以维持其温度不下降。 Then open the pressure reducing valve 4, the valve 10 is evaporated, the solvent is mixed in the mixing tank 11 by the oil and evaporated under reduced pressure, and continue to add heat to the mixing tank 11 to maintain its temperature does not drop. 混合油罐11中蒸发出的溶剂蒸气由加热器9加热后进入浸出器5，使浸出器温度维持在摄氏零度以上，浸出器5里的粕中溶剂因减压而蒸发。 Mixing tank 11 of the solvent vapor evaporated by the heater 9 after entering the extractor 5, so that the leaching temperature was maintained at zero degrees Celsius or more in the meal 5 in the extractor solvent evaporated by reduced pressure. 溶剂蒸气经减压阀门4进入压缩机12的进气口，由压缩机12压缩、冷凝器13冷凝液化。 Solvent vapor through the pressure relief valve 4 enters the compressor inlet 12, compressed by the compressor 12, the condenser 13 is condensed and liquefied. 液化后的溶剂流入溶剂周转罐14循环使用。 The solvent liquefied working tank 14 flows into the recycled solvent. 待浸出器5里的粕中的溶剂蒸发完后，粕由出粕料门6排入粕输送机7，送出本工序。 Solvent extraction meal 5 to be exhausted in the evaporation, the meal from the meal, the meal door 6 into the conveyor 7, this feeding step. 混合油罐11里的混合油中的溶剂蒸发完后，剩下浸出的毛植物油经下部出口排出本工序。 Solvent are mixed in the mixing tank 11 of the oil after evaporation, leaching the remaining hair vegetable oil is discharged through the lower outlet of this step.
与目前使用的浸出工艺相比，本发明使用常温常压下为气体的液化石油气等做溶剂取代沸程为摄氏60度至90度的6号溶剂，在常温和一定压力下浸出油料，并在常温下用减压使溶剂气化的方法脱除粕中和混合油中的溶剂。 Compared with the extraction process currently used, the present invention uses a solvent No. 6 60 degrees Celsius to 90 degrees at normal temperature and pressure of the liquefied petroleum gas such as solvent substitution boiling range, at room temperature and oil leaching certain pressure, and at room temperature with a reduced pressure to remove the solvent vaporized mixed oil and meal in the solvent. 避免了粕中蛋白质因加热脱除溶剂而被破坏，为植物蛋白利用提供了前提条件。 Protein meal to avoid removal of the solvent by heating is destroyed, a prerequisite for the use of vegetable protein.
实现本发明时，浸出器可采用平转式浸出器、固定栅板式浸出器或罐组式浸出器。 When implementing the present invention, extraction may employ rotocel extractor, fixed grid plate or pot groups leaching extractor. 减压阀门4、蒸发阀门10和出粕料门6最好采用电动或气动方法控制，整个系统采用自动控制，其它设备用通用设备。 Pressure reducing valve 4, an evaporator 10 and the valve 6 is preferably the meal door with electric control or pneumatically, the entire system is automatically controlled by devices other general-purpose equipment.