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    • 1. 发明公开
    • METHOD AND ARRANGEMENT FOR THE SEPARATION OF TALL OIL PRODUCTS FROM BLACK LIQOUR
    • VERFAHREN UND ANORDNUNG ZUM ABTRENNEN VONTALLÖLPRODUKTENAUS SCHWARZLAUGE
    • EP2976413A1
    • 2016-01-27
    • EP14767727.2
    • 2014-03-20
    • Hofstedt, Anders Göran
    • Hofstedt, Anders Göran
    • C11B13/02C11D13/30D21C11/00
    • C11B13/005C11B13/02D21C11/0007Y02W30/74
    • A method and arrangement for separating tall oil products from a black liquor-containing boiling liquid that has been drained off, was produced within a kraft mill chip digester, and includes a fibrous cellulose material in a mixture with the black liquor and tall oil products, and where the boiling liquid is separated in a separation unit arranged to mechanically separate the boiling liquid into a fibrous cellulose material and a mixture of mixed black liquor and tall oil products, where the mixture of boiling liquid and tall oil products is brought to a separation tank, the separation tank being a gravity separation tank, and adapted to be emptied in a discontinuous manner of the tall oil product collected and concentrated therein, the tall oil products being floated on top of and above a fraction of mixed black liquor, where the tall oil products is brought to a centrifugal separator.
    • 在牛皮纸屑切片蒸煮器内制造了用于分离妥尔油产品与已经排出的黑液沸腾液体的方法和装置,并且包括与黑液和妥尔油产物混合的纤维状纤维素材料, 并且沸腾的液体在分离单元中分离,所述分离单元被布置成将沸腾的液体机械地分离成纤维状纤维素材料和混合的黑液和妥尔油产品的混合物,其中沸腾液体和妥尔油产品的混合物被分离 罐,分离罐是重力分离罐,并且适于以不连续的方式排出收集并浓缩在其中的妥尔油产品,妥尔油产品漂浮在混合黑液的一部分上方,其中 妥尔油产品被带到离心分离器。
    • 3. 发明公开
    • METHOD AND DEVICE FOR SEPARATING TWO PHASES
    • 用于分离两个阶段的方法和装置
    • EP3183064A1
    • 2017-06-28
    • EP15834612.2
    • 2015-08-20
    • Hofstedt, Anders Göran
    • Hofstedt, Anders Göran
    • B04B5/10B04B1/08D21C11/00
    • The invention is characterised in the steps of a) performing a first separation of the mixture in a first centrifugal separator, resulting in a first heavy fraction comprised of the heavy phase with only small amounts of impurities in the form of the light phase and a first light fraction comprising of the light phase with impurities in form of the heavy phase; and b) performing a second separation of the first light fraction in a second hermetic centrifugal separator of purificator type, resulting in a second heavy fraction comprised of the heavy phase with impurities in the form of the light phase and a second light fraction comprised of the light phase with only small amounts of impurities in the form of the heavy phase. The invention also relates to a device.
    • 本发明的特征在于以下步骤:a)在第一离心分离器中进行混合物的第一次分离,产生第一重馏分和第一重馏分,所述第一重馏分由仅含少量轻相形式的杂质的重相和第一 包含轻相的轻相与重相形式的杂质; 和b)在第二种净化器类型的密封离心分离器中进行第一轻馏分的第二次分离,产生第二重馏分和第二轻馏分,所述第二重馏分包含具有轻相形式的杂质的重相和由 轻相仅具有少量重相形式的杂质。 本发明还涉及一种装置。
    • 6. 发明公开
    • METHOD AND SYSTEM FOR WASHING OF CRUDE TALL OIL SOAP
    • 用于清洗原油高油皂的方法和系统
    • EP3230422A1
    • 2017-10-18
    • EP15868244.3
    • 2015-12-09
    • Hofstedt, Anders Göran
    • Hofstedt, Anders Göran
    • C11B13/02B04B1/08B04B5/10C11D13/30D21C11/00
    • C11B13/005B04B1/08B04B5/10C11B13/02C11D13/30D21C11/0007Y02W30/74
    • Method for purifying crude tall oil soap from black liquor, wherein a washing liquid is used, which washing liquid is either pH-regulated residual liquid from a tall oil producing processing step (180) or a pH-regulated aqueous solution of ash, wherein black liquor-containing crude tall oil soap is mixed with said washing liquid, and wherein the crude tall oil soap is then separated out from the resulting mixture. The method comprises the steps 1. performing a first coarse separation (120,130) of crude tall oil soap from said black liquor, so that a first crude tall oil soap fraction is formed; 2. mixing (140) the first crude tall oil soap fraction with washing liquid, so that a first diluted fraction is formed; and 3. performing a separation (150) of the first diluted fraction using a first centrifugal separator of purificator type, so that a second crude tall oil soap fraction is achieved. The second crude tall oil soap fraction comprises smaller contents of black liquor than the first crude tall oil soap fraction. The invention also relates to a system.
    • 用于从黑液中纯化粗妥尔油肥皂的方法,其中使用洗涤液,所述洗涤液是来自妥尔油生产处理步骤(180)的pH调节残余液体或灰调pH调节水溶液,其中黑色 将含酒精的粗妥尔油皂与所述洗涤液混合,然后将粗妥尔油皂从所得混合物中分离出来。 该方法包括以下步骤:1.从所述黑液中进行粗妥尔油肥皂的第一粗分离(120,130),从而形成第一粗妥尔油皂部分; 2.将第一粗妥尔油皂部分与洗涤液混合(140),以形成第一稀释部分; 和3.使用净化器类型的第一离心分离器对第一稀释的馏分进行分离(150),从而获得第二粗妥尔油皂部分。 第二粗妥尔油皂部分包含比第一粗妥尔油皂部分更小含量的黑液。 本发明还涉及一种系统。
    • 7. 发明公开
    • METHOD FOR MEASURING SOAP CONTENT IN BLACK LIQUOR AND AN ANALYTICAL CONTAINER
    • 测试方法SOAP强度SCHWARZL眼睛和分析CONTAINER
    • EP2976459A1
    • 2016-01-27
    • EP14771054.5
    • 2014-03-19
    • Hofstedt, Anders Göran
    • Hofstedt, Anders Göran
    • D21C11/00B01D17/00G01N33/00
    • G01N19/00D21C11/00D21C11/0007G01N33/00
    • The invention concerns a analytical method for measuring the soap content in black liquor. The analytical method comprises a first step where a defined amount of black liquor is arranged in analytical container, a second step where the black liquor is centrifuged and a soap concentrate is gathered in the upper part of the analytical container, a third step where the amount of soap concentrate is determined, and a fourth step where the soap content is calculated. By centrifuging the black liquor soap concentrated with a soap content of 58- 62% is obtained, which enable measurement of the dry matter with an accuracy of ± 2% within a very short time period. In one embodiment the analytical method comprises a fifth step where a modification of the calculated soap content is made with consideration to the density of the black liquor. In another embodiment of the invention the cylindrically symmetrical analytical container comprises a neck 2 with scale marks and a lower part 1. The defined amount of black liquor is defined by filling the analytical container to the uppermost mark, while the amount of soap concentrate is determined by the lower boundary of the soap concentrate, which can be measured with the scale marks. The invention also comprises an analytical container for us with such a method.