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CNG NGH SN XUT

C PH HA TAN

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NIDUNG

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C PH

- C ph l mtloithcungc mu encchachtcaffein v csdngrngri,

csnxuttnhnghtc ph rang.C 3 dng c ph chnh:- Coffea arabica

- Coffea canephora- Coffea excelsa

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C ph chn Ht c ph sau khi rang

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Quy trnh ch bin c ph ha tan

C ph nhn

Lm sch

Rang

Xay

Trch ly

Lc

Tp cht C c

Cn

Ph gia

Nc

Nc

Sy phun

Bao gi

C ph ha tan

p hng

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torabtc ph ttth khu chn

c ph rtquan trng. Thng thngdng loiRobusta chbinc ph hatan th cho chtlngttiu chun

hn.

Chnc ph nhn

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LM SCH V RANG

Lm sach

Loibtpcht(t, ) ra khic ph

nhn sng. Rang c ph

Nhitrang l 1800C, sau nng ln

2000

C- 2400

C.Nucao qu th mi thmbtnthtnhiu. Trong qu trnh rang mu scbini.

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XAY V TCH BI C PH

Xay

Binc ph htthnh c ph nt hnhay

bt, toiukincho qu trnh trch ly. Tchbic ph

Thngdng my sng ray hocqutgi. Btc ph cattrn xungv qutthingang qua.Nhnghtbinhscthivo.

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TRCH LY

- Mcch: l thiusutcao v gichngvtt, tiacac ph rang.

C haiphngphp trch li :+ Trch li gin on.

+ Trch li lin tc.

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LC

- Mc ch lm cho dch chit c phc trong hn, loi b cc tp cht cnli trong qu trnh trch ly

-Ngi ta thng dng thit b lc khungbn.

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C C

- Lm tng nng cht kh trong dch chit,gim thi gian sy, tng nng sn phm.

- Cc bin i:

+ Vt l.

+ Ha l.

+Ha hc.

+Sinh hc.

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SY PHUN

Thngsytrong nhngbungsyhnhcn .Nhitcakhng kh ivo l 250300oC v ira l 105115oC.

Snphmthu c ycathitbsyphun ddnghtrtnh, rngrutlbtnh, ttrngnhnhngdha tan.

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CHO PH GIA V NG GI

Chophgia

F-705 ccho vo lm tngvng, mcac ph.

nggi

NhmboqunsnphmBao bphikn, khng thmnc, kh

vbnha hc.

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THIT B LM SCH

Sng phng

Nguyn l hot ng- Da trn s khc nhau

v kch thc ht.

- Thanh truyn ng lmcho sng chuyn ngnn cc ht cng

chuyn ng khc nhau d dng lt qua lsng.

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THIT B RANG

Nguyn l hot ng- C ph nhn c chuyn

vo trng rang.

- C ph nhn c o lintc nh cnh o bn trongtrng.

- Nhit c cp n nh bng

h thng ga.- Sau khi c ph rang n

chn s c chuyn vokhay lm nguiS cu to thit b

rang kiu trng

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MY RANG C PH KIU TRNG

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My nghi n trc

My nghin trc

-Nguyn tc: Da trn pp p khivt liu i qua khe h gia 2trc v ch st do vn tc quayca hai trc khc nhau

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THIT B TRCH LY

Thit b trch lyHildebrandt

Nguyn l hot ng:- C ph bt c vt ti

chuyn t nh thp 1 sang

thp 2.- Nc nng c a vo

thp 2 v chy di tc dng

trng lc v ngc chiuchuyn ng bt c ph

- Dch chit c ly ra

nh thp 1

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Thitblc

- Dch chit di tc dngca p sut 5-6at c y

qua cc rnh ca khung .- Dch chit chui qua cc

tm vi lc cui cng tp

trung cc rnh ngangnm di v theo van i rangoi b bm trn mt viThit b lc khung

bn

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THIT B C C

Thit b c cthng quay

Cu to:1- Thng lm bng inox 2 v

2- Trc nghing

3- Bnh rng4- ng c

5- H thng bm chn khng

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-Nguyn l hot ng-Dung dch cho vo thit b qua ca np

sau ng cht ca li.-Thit b c quay vi vn tc 3-5

vng/pht nh vo h thng ng c .- M van cp hi cho thit b. di tc dng

ca hi nc bo ha, dung dch trong thitb c nng dn nhit . Khi nhit t

70-75oC.- My bm chn khng hot ng, ht hi m

ra ngoai to chn khng cho thit b.

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- Khi p sut chn khng lm vic t p =500 n 600 mmHg.

-iu chnh van hi sao cho thng s cathit b n nh. Lc ny dch trong thit bsi, cht lng c ha hi v c ht rangoi bng bm chn khng

. Nng cht ha tan trong dch tng dnln. Qu trnh din ra lin tc n lc tyu cu. sau sn phm c ly ra ngoiqua ca ly sn phm.

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THIT B SY PHUN

H thng sy phun

1- Bung sy2- Caloriphe

3- Thng cha nguyn liu.

4- Bm nguyn liu

5- C cu phun mu

6- Cyclon thu hi sp t khthot ra.

7- Cylon vn chuyn mu.8- H thng qut ht v

mng lc

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Nguyn l hot ng

- Nguyn liu t thng cha(3) c bms (4) bm vo bung sy(1).- Khi vo bung sy nguyn liu c phn

b nh li ti nh c cu phun.

- Khng kh thi qua caloriphe (2) c lmnng ln v a vo bung sy.- Khng kh nng v nguyn liu dng

sng m tip xc vi nhau vi giy ti (5).- Sn phm kh thu gom ti y cyclon(6)mt phn bi mn theo khng kh qua

cylon(7) sau qua b lc vi (8)

Vi Ph

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Vi Phun

Vi phun dng a quay- Dch lng c bmvo tm a.

- Di tc dng a quay

ca a cng vi sthot ra ca kh nndng lng va p vocc rnh v b phn tnthnh cc ht sn

Vi phun dng p lc- Dng lng c nn n p

sut thch hp (5- 7 Mpa) ivo vi phun vi tc ln.

- Cui vi phun c chi titdng 3 cnh quay t doquanh trc to tc xoy ly

tm v phn tn thnh cc

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CYCLON

Nguyn l hot ng- Khng kh vo chuynng xoy c bn trongthn hnh tr ca cyclon

v chm vo ng yphu v di ngc tr lnthot ra ngoi.

- Cc ht bi chu tc dngca lc ly tm nn tindn v pha thnh nglm mt ng nng v ri

xung y phu.

Cu to ca cyclon

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CU TO BN TRONGCYCLON

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Sn phm thu c sau khi sy

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Qu trnh nh lng-ng gi

Hot ng my p

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Ktlun-C ph ha tan l loithcungtinlikhiso snh vivickhi pha chcc snphmc ph khc.

- Mtuimcalnhvcchbinc phl n c thtndngcc htc ph nhnkhng cao cp, song n vncung cpmtvncungchpnhn.

- V vyngnh snxutc ph ha tan cn

utcao vvnv my mc, thitbmbochtlngsnphmc ph

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Ti liu tham kho

Bi Vn Min, gio trnh my thit b

Khoa ch bin bo qun, bi ging bo qun _ch bin c ph, ca cao

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Ngun www.hiendaihoa.com

http://www.niro.com/http://www.hiendaihoa.com/http://www.hiendaihoa.com/http://www.niro.com/

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