May Nghien Than KBC503

7/28/2019 May Nghien Than KBC503

1/12

KBC fine crusher

MY NGHIN THAN KBC503

HNG DN LP T V VN HNH

CHEC


2/12

KBC503 fine crusher

ZHEJIANG HUADIAN POWER EQUIPMENT CO.,LTD.

MC LC

1. M u..32.Nguyn l c bn...33.Cu to....44.Nng lc lm vic...55.Thng s k thut...66.Lp t....77.Chun b vn hnh..88.Vn hnh...109.Bo dng.11

10.Tho lp u ba v tm nghin.1111. Ch an ton.1212.Ph tng d tr...1313.Sch hng dn...1514. H s my......15

2


3/12

KBC503 fine crusher

1.M u:Cm n bn v s la chn my nghin than ca cng ty chng ti. Theo

ch dn v lp t v s dng chnh xc my ny, cn c k hng dn sdng my trc khi vn hnh my.

My ca chng ti thch hp nht nghin than, x, vi, than cc v

qung, cc loi ny c p lc nn nh hn 150Mpa. Tuy nhin, n c th sdng ring cho than dng l t tng si tun hon.2. Nguyn l c bn:

My nghin than l loi my dng nguyn l va p thun nghch.Than sau khi i xung t im cp than chnh gia v ri chnh xc vo

trc nghin. Sau khi c p bng u ba quay, than va chm vi tmnghin v bt tr li. Cc ht than c to thnh t di l than sn phm.

My ny chuyn s dng nghin p thun ty. Vt liu a vo cva chm vi tm nghin hnh rng bi u ba quay tc cao. Thng quathit k ca tm nghin ch to hnh rng than khai nn gc ri ca than va

p vi tm nghin xp x 900. Kiu va chm theo phng ngang ny l kiutt nht ca tm nghin. Kiu ny m bo cho vt liu d nghin v nht, vnghin thnh cc ht than ring r. Khe h khi nghin gm cc bin dng rngca tm nghin, v th than va p lin tc trong khe h thng qua tn sca u ba v cui cng ri vo ng rng sau cng bin dng khe h. chnh l phng php iu chnh kch thc ht than ra. Khe h gia u ba

v bin dng rng ca tm nghin l 1,5 ln ca kch thc ln nht ca thansn phm. N khng c tm sng v l thi hi nn khng b tc than. Thanhim khi b mc khe h tm nghin, v th nn n c th gim s mn cc

phn, tit kim nng lng v ko di thi gian lm vic.3. Cu toC 1 ci trc nm gia ca my nghin. u ba c treo trn cc a

ca trc v n cng chy tc cao cng vi trc. Khung my bao gm vmy, tm nghin, thit b iu chnh v trc quay.

Hai na v my c th m ra 2 bn v n c lp t iu chnh tmnghin. Hiu qu cao ca khe h tm nghin chnh l thit k c bit cang rng than khai tm nghin v tc cao ca u ba. im cp thanvo nm gia v c cao va phi. Thit k ny c th vn hnh thunnghch v iu khin lng gi (hnh 1).

3


4/12

KBC503 fine crusher

hnh 1Phn trc quay bao gm 1 ng trc chnh, 2 bi kn, cc u ba v

thit b lp cng. Trc my c bi 2 bi ti 2 u trc. Cc a lp kthp cng trc my thnh 1 khi quay. Cc u ba lp vi cc a bng cctrc ba. 2 bi kn c lp chm trong v my (hnh 2).

hnh 2 Theo yu cu tng kh nng chng li mi mn, th cc a c hn

thm vt liu chng mi mn.4. Nng lc lm vic:

4.1 My nghin than l 1 trong cc thit b tt nht cho l t tng si tunhon vi hiu qu nghin cao: khi kch c than u vo nh hn 80mm, cthan sau khi nghin s nh hn 10mm v kch thc than sn phm c thiu chnh c.

4.2 Thit k tt nht trong my nghin than l tm nghin rng thn khai,va p tc cao, nghin phn hi lin tc, hot ng o chiu, khng ctm nghin v khng tc than.

4


5/12

KBC503 fine crusher

4.3 Kiu tm nghin bng vt liu chng mn c bit, u ba v khitrc quay vng chc, c th t c tc cao (V=50~53m/s), nh mcnghin ln, thi gian lm vic di v tiu th t nng lng.

4.4 Hai mt v c th m ra d dng. N thun tin cho cng nhn kimtra v sa cha. V vy m gim thi gian v cng lao ng (hnh 3).

(hnh 3)5. Bng thng s my nghin KBC503

Danh mc Bng thng s Kch c

Kh nng

lm vic

Nng sut lm vic (t/h) 200Nguyn liu g ,nha ng

cng antraxit qung vi

Kch thc than (mm) 20Kch thc sn phm (mm) 10

Thng slin quan

Vn tc di ca trc (m/s) 64Khi lng tng cng, bao gm ng c in(kg)

22500

Lu lng gi ra (m3/h) 2000Lc qun tnh P=mr02 (kN) 9.8Mc np ti (kg) 15190

Ti trung bnh (kg) 25000

Bng thitk v

khung

my

Trc quayng knh (mm) 1270 di tng cng (mm) 2757Khi lng tng cng (kg) 6500 di hiu qu (mm) 1200

S lng uba

Ba n 27Ba kp 6

S lng tmnghin

Tm phng 18Tm cong 24

ng c in Kiu YBFB450-6(10kV)

5


6/12

KBC503 fine crusher

Cng sut (kw) 280Tc quay (vng/pht) 1000Khi lng (kg) 4500

V my Di*rng*cao(mm) 2800X2700X2000ng vo (mm) 1200X680

ng ra (mm) 1900X1400Khi lng v my (kg) 5310

6. Lp tKhung my, khp ni, ng c in c lp t ph thuc vo bn v lp t.

Lu chnh:

- ng trc nghin phi t theo phng ngang v lch gia phncui ca bi kn v phng ngang nn nh hn 0,2mm.

- My nghin than phi lp t trn nn mng vng chc.- ng trc gia trc quay v trc ng c in phi n khp vi thit

b trc khp ni- Ch c 4 l mc nng di ni lp bi kn c th dng nng h my (hnh 4).

hnh 47. Chun b vn hnh my

7.1. iu chnh khe h gia u ba v tm nghin

L mc nng

6


7/12

KBC503 fine crusher

khe h ln khe h nhhnh 5

1 Thay i tc quay

Tc cao Tc thp ht nghin nh ln

Tiu th nng lng ln tKhong thi gian lm vic ngn di

2 Thay i khe h gia u ba v tm nghin

Khe h nh Khe h ln ht nghin nh lnTiu th nng lng ln tKhong thi gian lm vic ngn di

Di chuyn tm nghin ti gn trc quay, mi ln quay trc, ta s nghe thyting n khi khong cch gia chng l 0. Bnh thng, t v tr 0, quay 1vng ai c iu chnh th khong cch l 5mm.

Bi v u ba v phn mn ca tm nghin, khi khe h nh nht giachng trong phm vi 10mm, th nn iu chnh.

Khe h hin ti l 1,2 1,5 ln kch thc ht than sn phm.Lc chi tit v iu chnh khe h (hnh 6)

7


8/12

KBC503 fine crusher

hnh 6

7.2. Cc bc iu chnh

1Bulng np v ni lng thit b kha.

2 Vn theo chiu kim ng h ai c iu chnh, di chuyn tmnghin

ti ngi iu chnh, v th c th lm u ba khng chm vi tm nghin.

3 Lm quay trc my.

4 Vn ngc chiu kim ng h ai c iu chnh, di chuyn tm

nghin ti trc quay.

5 Ta s nghe thy ting n, khi tm nghin chm vo u ba, sau

ta quay ai c iu chnh theo chiu kim ng h. ( Mi khi iu chnh ai cny cng 1 pha ca my, th phi vn cng 1 lc).

S vng quay ai c iu chnh Khe h nh nht (mm)1/2 2.51 5

3/2 7.52 10

7.3 Du bi trn (du my 40#)V tr bi trn Dung tch

bi Khong 4lt*2

PS: C 3 vch chia trn ng h o mc du. Ngi vn hnh phikim tra du trc mi ln chy my. Mc du phi cao hn vch du nh

Bu lng

c hm

Bu lng npai c iu chnh

8


9/12

KBC503 fine crusher

nht v khng vt qu vch du ln nht, nu khng n s h hng bihoc trn du ra ngoi. Bnh thng, du ngm mc cao hn 1 t so vimc du trung bnh. My chy bnh thng sau 3 thng s thay du 1 ln.

8. Vn hnh my:8.1 . Ch v chy khng ti v chy th.

1 Tr khi bi rung bt thng v c ting n, tip tc chy my

khong 2 gi.

2 Hy xc nhn phn chuyn ng v phn tnh khng tip xc nhau

3 Nhit gii hn ca bi l 800C (nhit khng kh v nhit

tng ca bi). Ti ni vo, nhit tng gii hn ca bi l 350C.

4 Dng in phi khng thay i

8.2. Ch chy my c ti

1 Trong ch hot ng khng ti, khng xy ra bt thng,

chng ta c th cung cp than nguyn liu. Ban u, cung cpthan s lng t v sau tng dn lng cung cp.

2 Ta cn thit kp thi kim tra dng in, nhit bi v xem

bi c rung bt thng v c ting n hay khng, trc khi iuchnh cung cp than nguyn liu.

3 Theo ch hon thin hiu qu, than nguyn liu nn c iu

chnh cung cp, mn nn c cn bng,

4 Trong than nguyn liu, khng cho php km theo kim loi c

ng knh ln hn 10mm.

5 Khe h hin ti gia u ba v tm nghin l 1,2 1,5 ln kch

thc ht than sn phm.8.3. Ngng myKhi chy khng ti v chy c ti pht hin rung bt thng hoc m thanh bt

thng, ta cn thit dng my. Khi my dng hon ton, th ta c th kim tra.9. Bo dng

9.1 Bo dng

Theo ch dn gi trng thi lm vic bnh thng ca my, ko di thigian lm vic ca my v cc b phn, chng ta nn kim tra thng ngy v

sa cha cn thn.-Vui lng tham kho trong Danh mc bo dng.

-Khi iu chnh i tu ln (mi nm 1 ln), khng gii hn trong Danhmc bo dng nhng cng cn kim tra chung cn thn cho tt c thit b.-Theo ch sn xut sn phm thch hp v theo tnh hnh thc t trong

9


10/12

KBC503 fine crusher

cng vic, chng ta iu chnh khe h gia u ba v tm nghin.-Cn thit phi dng hn my trc khi sa cha. Nht l khi my bo

dng bn trong, ta phi kha np trnh sai hng v tai nn.

9.2 Danh mc bo dng

McPhn Mc bo dng Phng php nh k

Thn my Ni lng cc bulng bt cht Quan st vnghe

thng

H hng tm m lt phn thn Quan st thng

Ni lng cc bulng bt cht tm m nghe thng

Trc H hng u ba Quan st Tun

H hng phn a Quan st Thng bi Xem c trn du hay khng, mc du

c bnh thng hay khngQuan st Ngy

Kim tra trng thi quay Nghe Ngy

S rung v nhit Chm tay NgyLng cc ai c bt cht v cht nhv

Nghe Thng

Tmnghin

H hng tm nghin Quan st Thng

10. Tho lp u ba v tm nghin10.1. im chnh ca thay i u baChng ta ni lng bulng lin kt u tin, sau m v bn ca my.

Sau vn bulng m ca cn ba, chng ta phi lm n khp li cn bavi ba u ba c th tho ra ngoi.

10.2. Hnh dng ca u ba miMi u ba mi c khi lng khc nhau. nh hng rung ng nh

nht, hnh dng u ba mi nn c cn bng. Theo , trc tin chng taphi o khi lng ca u ba mi v nh s theo kch c ca khi lng.

My nghin s dng 2 loi u ba, xem hnh v 7 bit v tr lp rp.Vng khoanh trn ngha l tay u ba n, vung ngha l tay u ba kp.Tng ng vi iu kin ca hng l 1, 3 v 5; 2, 4 v 6 c cn bng v

tng ng vi mt ct trc ca 2 u ba cng c cn bng, sai lch nntrong khong 0,17kg.

1

6 2

10


11/12

KBC503 fine crusher

5 3

4

(hnh 7)

10.3. im chnh ca thay i tm nghinu tin chng ta ni lng bulng lin kt, m mt bn sau m ca vo

sa cha, ni lng cc bulng tnh ca tm nghin v chng ta c th thay thtm nghin.

Gii hn h hng ca u ba v tm nghin (hnh 8)

(hnh 8)

11. Ch an ton11.1. Cn thit phi c k m t my trc khi lp t, vn chuyn v

bo dng.11.2. Ch v chy my

1 Khng c khi ng thit b tr khi cng nhn trong khu vc

my c thng bo.

2 Khng c m xem bn trong my trong khi my ang hot

ng.

3 Khng tro hoc ng trn thit b khi my ang hot ng.

4 Khng c m mt bn ca my trong khi my ang hot ng.

5 Khng ri cng c vo trong my, v d nh : tucnvt.

u ba

tm nghin

11


12/12

KBC503 fine crusher

6 Khng c trn cht bt chy v d n vo trong nguyn liu vo.

7 Mc du khng vt qu vch .

11.3. Ch khi my b hng

( 1 ) Cn thit dng my tc thi khi my hot ng ta nghe thy ting nbt thng hoc nhit tng qu gii hn.( 2 ) Khi my b hng, khng bt buc hot ng.

12. Ph tng d trPh tng d tr ca my nghin than KBC503

Tn V tr lp t S lng (b) Ch thch

u ba Trc quay 1

Tm nghin V bn 1

Trc ba Trc quay 1Tm lt V my 1

bi m bi 1

13. Sch hng dnTheo cc loi my nghin, cn ch r k hiu my nghin, lc, cp liu v

ht nghin ra, m nguyn liu, h s chng mn v khi lng ring cang nguyn liu.14. H s my

Cc ti liu ca nh my s dng l cc vn bn c in v ng thnh hs. Mi sn phm c 1 cng ngh v c xc nhn bng vn bn, ng danhsch , lp t bng tay, bn v hng dn,

12

Documents

May Nghien Than KBC503