CN1017806B - 液化石油气浸出油脂工艺 - Google Patents
液化石油气浸出油脂工艺Info
- Publication number
- CN1017806B CN1017806B CN 90108660 CN90108660A CN1017806B CN 1017806 B CN1017806 B CN 1017806B CN 90108660 CN90108660 CN 90108660 CN 90108660 A CN90108660 A CN 90108660A CN 1017806 B CN1017806 B CN 1017806B
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- solvent
- batch extractor
- heat transfer
- petroleum gas
- transfer tube
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 11
- 239000004519 grease Substances 0.000 title claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 45
- 238000002386 leaching Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000000935 solvent evaporation Methods 0.000 claims description 5
- 239000001273 butane Substances 0.000 claims description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 2
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- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 102000004169 proteins and genes Human genes 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 26
- 238000012546 transfer Methods 0.000 description 19
- 239000003921 oil Substances 0.000 description 18
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 11
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical group CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101000905241 Mus musculus Heart- and neural crest derivatives-expressed protein 1 Proteins 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
本发明是一种油脂浸出生产工艺。它采用液化石油气做为浸出溶剂,在常温下浸出油料中的油脂。因而,油料中的蛋白质在提取油脂过程中变性较小,浸出过程中的热能消耗低。
Description
本发明提供一种浸出法提取食用油脂的工艺。
目前食用油脂生产的浸出工艺,是采用6号溶剂或工业正己烷浸出油料中油脂的工艺方法。这是众所周知的。其主要缺点:一是油料中的蛋白质在提取油脂的过程中,因加热而大部分变性,降低了利用价值。二是溶剂需要加热蒸发,消耗热能大。
本发明旨在提取油脂过程中减少蛋白质的变性。减少工艺系统的热能消耗。
附图是本发明的工艺流程图。图中,1是浸出罐,2是蒸发罐,3是压缩机,4是溶剂罐。工艺过程中相同结构的浸出罐可使用2至16只,图中示出了两只。相同结构的蒸发罐可使用1至4只。压缩机3可选用活塞式压缩机、离心式压缩机或螺杆式压缩机。工艺中使用的浸出溶剂为液化石油气,其组成成份主要是丙烷和丁烷。组份中丁烷的重量百分含量为5%至99.8%,硫化氢的含量小于100ppm,二烯烃含量小于0.2%。组份中还含有少量烃类的异构体。
浸出罐1内装有换热管5。蒸发罐2内装有换热管6。浸出罐1上部有进料口7和出气口10,底部有出粕口8和混合油出口9。浸出罐筒体部分的上部有溶剂进口11和混合油进口12,中部有换热管5的进口13和出口14。蒸发罐2顶部有出气口15,底部有出油口16。蒸发罐2的筒体上部有混合油进口17,中部有换热管6的进口18,下部有换热管6的出口19。溶剂罐4的筒体上部有溶剂进口20,下部有溶剂出口21,底部有排空口22。压缩机3有吸气口23和排气口24。
各浸出罐1的混合油出口9与混合油进口12相互连接,共同连接在蒸发罐2的混合油进口17上。浸出罐1的出气口10和蒸发罐2的出气口15与压缩机3的吸气口23相连接。浸出罐1的溶剂进口11和溶剂罐4的溶剂出口21相连接。浸出罐1中换热管5的进口13和蒸发罐2中的换热管6的进口18与压缩机3的排气口24相连接。浸出罐1中的换热管5的出口14和蒸发罐2中的换热管6的出口19相连接,共同连接在溶剂罐4的溶剂进口20上。
本工艺系统运行时,原料从浸出罐1的进料口7装入浸出罐,装料量为罐容积的50%至80%。然后,关闭进料口7,用众所周知的罐组式油脂浸出工艺方法进行逆流浸出。料的浸出时间为20至240分钟,浸出温度为摄氏10度至60度,溶剂用量为:料∶溶剂=1∶0.5~1∶4。混合油通过浸出罐1下部的混合油出口9和蒸发罐2的混合油进口17进入蒸发罐2。混合油蒸发时,需将蒸发罐2顶部的出气口15与压缩机3的吸气口23联通。蒸发罐2里的混合油中的溶剂气化,被压缩机3吸出,使混合油浓度不断提高,直至剩下的油脂中残留烃类物50ppm以下。油脂经蒸发罐底部的出油口16排出。由压缩机3吸出的溶剂蒸气,经压缩机压缩升温升压,然后,此溶剂蒸气经蒸发罐2里的换热管6的进口18进入蒸发罐2里的换热管6中,与蒸发罐2中的混合油进行热交换,换热管6中的溶剂蒸气被冷凝液化,从换热管6的出口19流出,经溶剂罐4的溶剂进口20流入溶剂罐4中。
浸出罐1里的料中的混合油被抽出后,料中尚含有一定量的溶剂。为从料中脱除这部分溶剂,将浸出罐1的出气口10与压缩机3的吸气口23联通,浸出罐1里的料中的溶剂蒸发气化,被压缩机3吸出,直至料中含烃类物1~700ppm为止。由压缩机3吸出的溶剂蒸气,经压缩机压缩升温升压,然后,此溶剂蒸气经浸出罐1里的换热管5的进口13进入正在蒸发溶剂的浸出罐1里的换热管5内,与浸出罐中正在蒸发溶剂的料进行热交换。换热管5内的溶剂蒸气被冷凝液化,经换热管5的出口14和溶剂罐4的溶剂进口20流入溶剂罐4。浸出罐1里的料中的溶剂蒸发完后,向浸出罐1压入压力为0.01~0.1MPa的压缩空气,然后,迅速打开浸出罐1底部的出粕口8,浸出罐1中的已浸出过的料被压力排出,既完成一个浸出循环过程。
浸出罐1里的料中的溶剂蒸发可以和蒸发罐2里的混合油蒸发同时进行。蒸发出的溶剂蒸气可以
同时进入压缩机3。经压缩机3压缩后的溶剂蒸气,可以同时进入浸出罐1里的换热管5中和蒸发罐2里的换热管6中。
与目前的油脂浸出工艺相比,本发明使用液化石油气做为溶剂,在常温下浸出油脂,减少了料中蛋白质的变性。同时,由于溶剂蒸发时不用外加热量,使工艺系统的热能消耗降低。
实现本发明时,浸出罐、蒸发罐、溶剂罐等均采用压力容器。压缩机最好选用离心式压缩机。浸出罐最好使用5只,蒸发罐使用2只。溶剂最好使用丁烷重量含量60%以上的液化石油气,且溶剂中含硫化氢最好小于1ppm。浸出罐的装料量最好为罐容积的70%。浸出时间最好为60至90分钟。浸出温度最好为摄氏30至40度。溶剂用量最好为:料∶溶剂=1∶1。
Claims (1)
1、一种油脂浸出生产工艺,它以丁烷重量含量5%~99.8%、硫化氢含量100ppm以下、二烯烃含量小于0.2%的液化石油气做为浸出溶剂,浸出时间为20~240分钟,溶剂用量为料:溶剂=1∶0.5~1∶4,工艺中利用溶剂液化时的放热与溶剂蒸发时的吸热进行热交换。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 90108660 CN1017806B (zh) | 1990-10-24 | 1990-10-24 | 液化石油气浸出油脂工艺 |
Applications Claiming Priority (1)
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CN 90108660 CN1017806B (zh) | 1990-10-24 | 1990-10-24 | 液化石油气浸出油脂工艺 |
Publications (2)
Publication Number | Publication Date |
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CN1050739A CN1050739A (zh) | 1991-04-17 |
CN1017806B true CN1017806B (zh) | 1992-08-12 |
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CN 90108660 Expired CN1017806B (zh) | 1990-10-24 | 1990-10-24 | 液化石油气浸出油脂工艺 |
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Cited By (1)
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US20230107751A1 (en) * | 2019-05-05 | 2023-04-06 | Illuminated Extractors Ltd. | Extraction of botanical material using high-pressure hydrocarbons |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6066350A (en) | 1997-02-07 | 2000-05-23 | Cargill Incorporated | Method and arrangement for processing cocoa mass |
US7201934B2 (en) | 2002-10-15 | 2007-04-10 | Cargill, Incorporated | Dispersible cocoa products |
CN103018369B (zh) * | 2012-12-17 | 2014-06-25 | 江苏大学 | 液化石油气萃取产品中溶剂残留的检测方法 |
CN103173279A (zh) * | 2013-03-06 | 2013-06-26 | 曹庸 | 一种连续相变萃取茶油的方法 |
JP7213040B2 (ja) * | 2018-06-29 | 2023-01-26 | 株式会社アルビオン | 液体の製造方法及び液体の製造装置 |
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1990
- 1990-10-24 CN CN 90108660 patent/CN1017806B/zh not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230107751A1 (en) * | 2019-05-05 | 2023-04-06 | Illuminated Extractors Ltd. | Extraction of botanical material using high-pressure hydrocarbons |
US11712639B2 (en) * | 2019-05-05 | 2023-08-01 | Illuminated Extractors Ltd. | Extraction of botanical material using high-pressure hydrocarbons |
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CN1050739A (zh) | 1991-04-17 |
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