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    • 71. 发明申请
    • METHOD AND DEVICE FOR CENTRIFUGAL SKIMMING OF WHEY
    • 方法和装置离心式撇WHEY
    • WO99057988A1
    • 1999-11-18
    • PCT/EP1999/002022
    • 1999-03-25
    • A01J11/10B04B11/02A23C7/04A23C21/00
    • A01J11/10B04B11/02
    • The aim of the invention is to provide a method for the skimming of whey, resulting in better whey cream fat quality and allowing for automatic regulation of the concentration of cream. The raw whey is fed into a skimming separator (6) and broken down into a skimmed whey phase and whey cream phase. The whey cream is discharged through a discharge line (8) and a part thereof corresponding to 0.5-2 % of the volumetric flow of the raw whey that is fed into the skimming separator (6) is returned to the feed line (3) of the skimming separator by means of a recirculating device (9). A densimeter can be arranged in the recirculating device so that density measurements can be carried out. The density values are transmitted to an evaluation device enabling regulation of a control valve (13) which is placed in the discharge line (8) for the whey cream. The method and device for implementing said method are used in the processing of whey which is produced during the production of cheese after the cheese has been separated from the fat during the coagulation of the milk.
    • 应当提供乳清略读的方法,其中,一方面获得脂肪乳清奶油更好的质量和在另一方面允许奶油浓度的自动控制。 在奶油分离(6),进料到阶段原料乳清“分离乳清”和“奶油乳清”被分解。 向上通过漏极线(8)排出的乳清是通过在奶油分离被返回(6)的进料管线(3)返回管线(9)供给的原料的乳清奶油分离器(6)的体积流量的0.5%至2%的部分量。 在再循环管路的密度发射机可以被布置成由密度测量来进行。 密度值被提供给评价装置,通过该控制阀(13)被调整,其设置在用于乳清奶油排出管线(8)。 该方法和用于执行该方法的装置在治疗乳清的,这是在生产干酪的干酪材料的沉积和在牛奶的凝固脂肪后得到被使用。
    • 72. 发明申请
    • PROCESS AND APPARATUS FOR CONVERTING LIQUID WHEY INTO POWDER
    • 将液体转化为粉末的方法和装置
    • WO1997035486A1
    • 1997-10-02
    • PCT/DK1997000131
    • 1997-03-25
    • APV ANHYDRO A/SGETLER, JensTHOMSEN, PoulPETERS, Lars, Valentin
    • APV ANHYDRO A/S
    • A23C21/00
    • A23C21/00A23C1/00
    • A process and an apparatus for converting liquid by-products, such as whey and permeates of whey, derived from cheese making processes into substantially free-flowing, non-caking powdery products. The process comprises the stages of vacuum evaporation of the whey to a solids content of 65 - 80 %, crystallisation of the whey concentrate and air drying the whey, wherein the main stream of initially cooled whey concentrate passing through stages of crystallisation, is fed with a secondary and/or tertiary stream to be mixed with the main stream. The apparatus is provided with a secondary and/or a tertiary conduit for feeding a secondary and/or tertiary stream to the main stream in the main conduit connecting means for collection and pretreatment of whey, vacuum evaporation of the whey, crystallisation of the whey concentrate and air drying the whey. The feeding of a secondary and/or tertiary stream reduces the sticky nature of whey, leading to whey that is more easy to handle during the processing, and resulting in less wear of the apparatus.
    • 用于将来自干酪制造过程的液体副产物(例如乳清的乳清和渗透物)转化成基本上自由流动的非结块粉状产品的方法和设备。 该方法包括将乳清真空蒸发至固体含量为65-80%的阶段,乳清浓缩物的结晶和空气干燥乳清,其中通过结晶阶段的初始冷却的乳清浓缩物的主流进料 与主流混合的次级和/或第三级流。 该装置设置有二次和/或第三导管,用于将主流和/或第三流输送到主导管连接装置中的主流,用于收集和预处理乳清,乳清的真空蒸发,乳清浓缩物的结晶 和空气干燥乳清。 次级和/或第三级流的供给降低了乳清的粘性,导致在处理过程中更容易处理的乳清,并且导致较少的设备磨损。
    • 77. 发明申请
    • CONTROL FOR FILTRATION PROCESS
    • WO2022003161A1
    • 2022-01-06
    • PCT/EP2021/068341
    • 2021-07-02
    • SD FILTRATION A/S
    • BERTELSEN, MichaelANDREASEN, Keld, B.JOHANSEN, Ulrik
    • B01D61/12B01D61/22A23C9/142A23C19/028A23C21/00A23C2210/20B01D2311/14B01D2311/16B01D2311/20
    • The present invention relates to an apparatus and a method for controlling a crossflow membrane filtration process used for filtration processes requiring a specified Transmembrane Pressure. In particular, the invention relates to a method for controlling a crossflow membrane filtration apparatus comprising - one or more feed pumps (1) feeding fluid to an inlet point (6) of a loop from a feed tank (7) and having an output from 0% to its maximum 100%, - the loop comprises one or more membrane modules (3) and a conduit system allowing recirculation/circulation of retentate through the membrane module(s) (3), a retentate outlet (5), and a loop circulation pump (2) having an output from 0% to its maximum 100% and circulating retentate through the loop, - a first pressure sensor measuring a baseline pressure P1 and a transmitter configured to measure the pressure upstream of the loop circulation pump (2) and downstream of the membrane module(s) (3), - a second pressure sensor measuring a pressure P2 and a transmitter configured to measure the pressure downstream of the loop circulation pump (2) and upstream of the membrane module(s) (3), - a first flow sensor measuring a flow F1 and a transmitter configured to measure the flow upstream or downstream of the feed pump (1) and upstream of the inlet point (6), - a level sensor measuring a level L and a transmitter measuring and transmitting a value for the content in the feed tank (7), - a first controller controlling the output from the feed pump (1) comprising 1) a level controller receiving an input from the level sensor/transmitter, or 2) a flow controller receiving an input from one or more flow sensors/transmitters, or 3) a pressure controller receiving an input from the first pressure sensor/transmitter, - a second controller controlling the output from the loop circulation pump (2) comprising a pressure controller receiving inputs P1, P2 from the first and second pressure sensors/transmitters and calculating a pressure difference dP = P2 - P1 and then comparing the calculated dP with a set point for the pressure difference dP, for each loop in a crossflow membrane filtration apparatus dPmin and a dPmax, are defined to obtain a desired retentate or permeate product, wherein the set point for the pressure difference dP of the second controller is dynamic and the set point depends on - the flow F1 in such a way that if the flow F1 decreases below a value Floop,low then the set point for dP is increased, or the level L in such a way that if L increases above a value Floop,high then the set point for dP is increased, or - the baseline pressure P1, in such a way that if P1 increases to a value above P1high then the set point for dP is increased.