PFEUFFER麥芽分析儀Friabilimeter簡(jiǎn)介
依據(jù)麥芽的脆弱性和整體透明度
-快速簡(jiǎn)便的分析方法
-以實(shí)踐為導(dǎo)向的釀造價(jià)值確定
-簡(jiǎn)化了麥芽分析
-堅(jiān)固而堅(jiān)固的結(jié)構(gòu)
-輕松評(píng)估啤酒廠(chǎng)和麥芽廠(chǎng)麥芽的釀造價(jià)值。
釀酒商需要高質(zhì)量的麥芽來(lái)生產(chǎn)經(jīng)濟(jì)啤酒。這些麥芽必須由麥芽威士忌生產(chǎn)和評(píng)估。Friabilimeter脆度計(jì)可以在實(shí)踐中輕松快速地確定麥芽的釀造價(jià)值。Friabilimeter脆度計(jì)可以在窯爐后立即控制麥芽質(zhì)量。可以檢測(cè)和糾正麥芽制作過(guò)程中的不規(guī)則。啤酒廠(chǎng)可以在交貨后立即確定麥芽質(zhì)量，并相應(yīng)地應(yīng)用一致的麥芽混合物。這避免了不必要的問(wèn)題。
原理
將麥芽樣品機(jī)械分離成其堅(jiān)硬且易碎的部分。為此目的，通過(guò)橡膠涂覆的輥的壓力在恒定壓力下將顆粒壓在旋轉(zhuǎn)的網(wǎng)狀金屬絲上8分鐘。易碎的麥芽部分通過(guò)篩網(wǎng)落下，而玻璃狀顆粒和硬質(zhì)部分留在篩筒內(nèi)。
分析過(guò)程
稱(chēng)量50g±0.01g的麥芽樣品并裝入Friabilimeter脆度計(jì)中。然后打開(kāi)儀器，將側(cè)向拉手向下拉并鎖定在底部止動(dòng)凹口中。8分鐘后，儀器關(guān)閉。將殘留在篩筒內(nèi)的玻璃狀麥芽部分稱(chēng)重，并計(jì)算出稱(chēng)為100％的脆性值。
全透明的測(cè)定
硬麥芽部分區(qū)分透明和全透明。增加整個(gè)透明顆粒的部分會(huì)降低釀造價(jià)值。從玻璃狀麥芽部分中分選出大于3/4的所有顆粒。該部分稱(chēng)為100％被認(rèn)為是整個(gè)透明質(zhì)。將篩筒的內(nèi)容物在2,2mm狹縫寬度的分選篩上振蕩60秒。留在篩上的部分被認(rèn)為是透明的一部分。
透明的含義
過(guò)量的透明質(zhì)對(duì)糖化和過(guò)濾過(guò)程有不利影響。在釀造過(guò)程中，麥汁澄清，發(fā)酵和過(guò)濾期間會(huì)出現(xiàn)問(wèn)題。在這方面，可以根據(jù)類(lèi)型和年份產(chǎn)生影響。
官方方法
根據(jù)EBC方法4.15，MEBAK 4.1.3.6和ASBC Malt-12，F(xiàn)riabilimeter脆度計(jì)是用于測(cè)定麥芽脆性的工具。Pfeuffer GmbH與EBC分析委員會(huì)合作建立了一個(gè)Friabilimeter脆度計(jì)網(wǎng)絡(luò)，用于確定強(qiáng)制性參考脆碎度值。
校準(zhǔn)
可以通過(guò)已知脆碎度的參考麥芽來(lái)檢查Friabilimeter脆度計(jì)的設(shè)置。通過(guò)位于殼體頂側(cè)的調(diào)節(jié)螺釘，可以調(diào)節(jié)儀器。提供的校準(zhǔn)套件用于控制壓力輥和彈簧壓力。
Application
Brewers need malts of high quality for the economic beer production. These malts must be produced and evaluated by maltsters. The Friabilimeter allows an easy and fast determination of the brewing value of malt in the practice. The Friabilimeter allows the control of the malt quality immediately after kilning. Irregularities during the malting process can be detected and corrected. The brewery can determine the malt quality immediately upon delivery and apply consistent malt blends accordingly. This avoids unnecessary problems.
Principle
A malt sample is separated mechanically into its hard and friable parts. For this purpose the grains are pressed against the rotating mesh wire by means of the pressure force of a rubber coated roller with constant pressure for a period of 8 minutes. The friable malt parts fall through the sieve wire, while glassy grains and hard parts remain inside the sieve drum.
Analysing process
A malt sample of 50 g ±0,01g is weighed and filled into the Friabilimeter. Then the instrument is switched on, the lateral pull handle is pulled downwards and locked into the bottom stop notch. After 8 minutes the instrument switches off. The glassy malt parts, which remained inside the sieve drum are weighed and the friability value referred to 100 % is calculated.
Determination of whole hyaline
The hard malt parts are distinguished between part hyaline and whole hyaline. Increasing parts of whole hyaline grains reduce the brewing value. All grains, which are larger then ? are sorted out of the glassy malt parts. This fraction referred to 100 % is considered as whole hyaline. The contents of the sieve drum is shaked on a sorting sieve of 2,2 mm slit width for 60 seconds. The fraction left on the sieve is considered as part hyaline.
Meaning of hyaline
Excessive hyaline has an adverse effect on the mashing and lautering process. During the brewing process problems will arrise during the wort clarification, fermentation and filtration. In this connection influences depending on the type and the year are possible.
Official methods
The Friabilimeter is an instrument for the determination of the friability of malt according to the EBC-method 4.15, MEBAK 4.1.3.6 and ASBC Malt-12. Pfeuffer GmbH has established a Friabilimeter-network in cooperation with the EBC-Analysis Committee for the determination of the obligatory reference friability value.
Calibration
The setting of the Friabilimeter can be checked by means of a reference malt of known friability. By means of the adjustment screw located on the top side of the housing the instrument can be adjusted. The supplied calibration set is used for the control of the pressure roller and the spring pressure.
PFEUFFER麥芽分析儀Friabilimeter脆度計(jì)技術(shù)資料/產(chǎn)品內(nèi)容
電源:230 V*/50 Hz（可按要求另選）
尺寸:400 x 265 x 270毫米
重:12公斤
p/no. 1810 0000 Friabilimeter
power supply:230 V* / 50 Hz (others on request !)
dimensions：400 x 265 x 270 mm
weight：12 kg
p/no. 1810 0000 Friabilimeter
PFEUFFER麥芽分析儀Friabilimeter脆度計(jì)
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PFEUFFER麥芽分析儀Friabilimeter脆度計(jì)
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PFEUFFER麥芽分析儀Friabilimeter脆度計(jì)簡(jiǎn)介及技術(shù)資料
