bao cao sxsh_xi mang phu tho_vn.doc
TRANSCRIPT
Outline of a final CP Assessment Report
Mc lc21Gii thiu
21.1D n nh gi SXSH ti cng ty
21.2M t cng ty
41.3i Sn xut sch hn
62Tng quan v sn xut
62.1M t v cc cng on sn xut
72.2Tnh hnh sn xut thc t
72.3Cc nguyn nhin liu u vo ch yu
72.4nh mc
82.5Hin trng mi trng
103nh gi
103.1S dng chi tit
123.2Cn bng vt liu
133.3nh gi nng lng
133.4nh gi cho dng thi
154Phn tch nguyn nhn v cc gii php SXSH
175La chn cc gii php SXSH
175.1Sng lc cc gii php SXSH
185.2Nghin cu kh thi
245.3La chn cc gii php SXSH
256H thng qun l mi trng
256.1Chnh sch mi trng
256.2Mc tiu cn t c
256.3Chng trnh mi trng
277Thc hin
277.1Danh sch cc gii php c thc hin
287.2K hoch hnh ng
298Duy tr sn xut sch hn
298.1Tip tc gim st
298.2Cc cng vic tip theo
309Kt lun v cc kin ngh
3110Ph lc
3110.1kt qu phn tch mi trng ti cng ty
3810.2Kt qu nh gi hin trng ng c in
1 GII THIU 1.1 Chng trnh Sn xut sch hn ti cng tyBo co nh gi sn xut sch hn ny c thc hin trong khun kh "Hp phn Sn xut sch hn trong cng nghip" ca B Cng Thng vi s ti tr ca DANIDA. D n nh gi sn xut sch hn ti cng ty c thc hin bi i Sn xut Sch ca cng ty vi s h tr k thut v o to ca Trung tm Sn xut Sch Vit Nam (TTSXSVN). Trong qu trnh thc hin d n, S Cng nghip tnh Ph Th thng xuyn kim tra v gim st tin v cht lng thc hin.
Mc ch ca d n l gip cc doanh nghip cng nghip gim chi ph sn xut, ci thin iu kin lm vic ca ngi lao ng v gim thiu tc ng tiu cc ca hot ng sn xut ti mi trng. Sau khi kt thc d n cc doanh nghip c th lm ch c cc k nng v phng php lun nh gi sn xut sch hn ti n v mnh. Bn cnh , d n s h tr v ti chnh cho cc doanh nghip trong vic thc hin mt s gii php sn xut sch hn vi vn u t ln.
D n c thc hin theo hai giai on:
Giai on 1: t thng 5/2007 n thng 10/2007: doanh nghip t thc hin cc gii php SXSH c vn u t thp v trung bnh hoc cc gii php SXSH u t ln v c hiu qu kinh t cao (thi gian thu hi vn ngn).
Giai on 2: t thng 11/2007, doanh nghip thc hin cc gii php SXSH hoc cc gii php x l mi trng c vn u t ln vi s h tr mt phn kinh ph ca d n.
i sn xut sch hn ca Cng ty C phn Xi mng Ph Th hon thnh bo co giai on 1 vi s h tr ca Trung tm Sn xut sch Vit Nam v S Cng nghip tnh Ph Th.1.2 M t cng ty
Tn Cng ty: Cng ty C phn Xi mng Ph Tha ch: th trn Thanh Ba - huyn Thanh Ba - tnh Ph Thin thoi: 0210.885.310
Fax: 0210.884.023
Tng s cng nhn: 794 ngi.Ti chnh:
Vn c nh:
22.643.000.000 VN
Vn lu ng:
20.583.000.000 VN
Doanh thu:
160.794.000.000 VN Sn phm: Xi mng ng bao l sn phm chnh ca Cng ty, c sn xut theo TCVN 2682-1992 v TCVN 6260-1997:
T nm 1994-1998: Sn phm xi mng sn xut PC-30 c chng nhn ph hp tiu chun TCVN 2682-1992
T thng 12/1998 n nay: Sn phm xi mng sn xut PCB-30 c chng nhn ph hp tiu chun TCVN 6260-1997.Cng ty C phn Xi mng Ph Th l mt doanh nghip Nh nc trc thuc S Xy dng Ph Th, ng trn a bn th trn Thanh Ba - huyn Thanh Ba tnh Ph Th. Hot ng ca Cng ty tri qua cc giai on sau:
Cng ty C phn Xi mng Ph Th ngy nay tin thn l nh my xi mng o Gi c thnh lp theo Quyt nh s 144/QTC ngy 29 thng 9 nm 1967 ca UBND tnh Ph Th ng trn a bn x o Gi huyn Thanh Ba - tnh Ph Th. Vi nhim v sn xut xi mng, vi v phc v xy dng cng nghip, giao thng, nng nghip v phc v quc phng. C s vt cht ban u ht sc th s, cng ngh sn xut lc hu, cng sut mt nm ch t c 900 tn xi mng, 4300 tn vi v 10.600 m3 cc loi.
Nm 1969 u t m rng sn xut, lp thm 2 my nghin bi 0,5 tn/h nng cng sut nh my ln 1500 tn xi mng/nm ng thi m rng sn xut vi vi sn lng 5000 tn v hng chc ngn mt khi xy dng v giao thng.
Nm 1973 u t lp t thm 2 my nghin bi cng sut 1,2 tn/h, my kp hm, my v vin sn xut xi mng theo phng php bn kh nng cng sut ca nh my ln 3000 tn xi mng/nm, 27.000 m3 cc loi, 10.000 tn vi xy dng m bo cng n vic lm v i sng cho 240 ngi lao ng.
Nm 1976-1979 u t xy dng mt dy chuyn xi mng l ng c kch thc 1,5 x 6 m cng sut 1.000 tn xi mng/nm ng b vi h thng my nghin cng sut 2 tn/h nng cng sut tng cng ca nh my ln 20.000 tn xi mng/nm.
Nm 1982 nh my c i tn thnh XN xi mng Thanh Ba.
Ngy 10/5/1984 theo Quyt nh s 100/Q-TCC ca UBND tnh Ph Th thnh lp X nghip lin hip (XNLH) xi mng - - Vi Vnh Ph trn c s st nhp x nghip n Hang vo x nghip xi mng Thanh Ba vi 520 cn b, cng nhn vin. Trong thi gian ny ngoi cc sn phm truyn thng x nghip cn m rng sn xut v a dng ho cc sn phm nh: xi mng trng, gch lt hoa cung cp cho cc tnh thnh nh H Ni, Hi Phng, TP H Ch Minh. Chnh nh nhng iu m x nghip sn xut n nh v c bc pht trin mi.
Nm 1986-1988 UBND tnh Vnh Ph quyt nh st nhp X nghip Thanh Ba, x nghip Hng Cn, x ngip puzolan vo x nghip lin hp xi mng - - vi Vnh Ph.Sn lng sn phm chnh ca x nghip lin tc tng trng t nm 1982: 7.000 tn xi mng; 35.000 m3 cc loi; np ngn sch 3.720.000 ng n nm 1989: 15.000 tn xi mng; 69.000 m3 cc loi; np ngn sch 14.200.000 ng.
Ngoi cc sn phm chnh x nghip cn sn xut x, gch p, gch granito, gch hoa, panen lm phong ph thm mt hng v n nh vic lm, ci thin i sng ngi lao ng.
T nm 1989-1993 Nh nc giao quyn ch ng cho cc doanh nghip t hoch ton kinh doanh. Nm 1992 x nghip u t dy chuyn sn xut xi mng cng ngh l ng ca Trung Quc cng sut 6 vn tn xi mng/nm vi tng mc u t 17 t ng. y l day chuyn sn xut xi mng l ng c gii ho v t ng ho thit b ca Trung Quc u tin lp t Vit Nam
Ngy 20/9/1994 UBND tnh Vnh Ph ra Quyt nh s 1287 Q/UB i tn X nghip lin hip vi Vnh Ph thnh Cng ty Xi mng - - Vi Vnh Ph: Cng nm ny Cng ty m rng sn xut, u t xy dng dy chuyn 2 sn xut xi mng l ng cng ngh v thit b Trung Quc cng sut 8 vn tn xi mng/nm nng tng cng sut ca Cng ty ln 14 vn tn xi mng vi tng u t l 50 t ng.
Nm 1997 tnh Vnh Ph chia tch thnh hai tnh Vnh Phc v Ph Th, Cng ty Xi mng - - Vi Vnh Ph c i tn thnh Cng ty xi mng Vi Ph Th. T nm 1994-1998 vi 1300 lao ng mi nm ch sn xut v tiu th c 7-8 vn tn xi mng, y l thi k kh khn nht ca cng ty.
T nm 1999 - 2000 thot khi kh khn Cng ty sp xp li lc lng sn xut, pht huy ht cng sut thit b, ci tin nng cao cht lng.
T nm 2001 n nay Cng ty xy dng p dng v duy tr h thng qun l cht lng theo tiu chun quc t ISO 9001:2000. Cht lng sn phm xi mng ca Cng ty hp chun quc gia, lin tc t nm 1998 n nay sn phm xi mng lun c chng nhn sn phm xi mng Pooclng hn hp PCB 30 ph hp tiu chun TCVN 6260:1997.
Nm 2002 Cng ty lp t thm 1 my nghin bi 2,2 x 7 m; nm 2004 ci to m rng 2 l nung clinker nng cng sut nghin xi mng ln 200.000 tn nm. Sn lng sn xut v tiu th sn phm xi mng ca Cng ty tng t 135.000 tn nm 2002 ln 198.000 tn nm 2005 tng 46%. Song song vi vic nng cng sut sn xut nm 2004 Cng ty u t hng t ng xy dng v lp t h thng x l khi bi v nc thi ra mi trng, m bo mi trng xanh sch p.
Tip tc m rng sn xut i mi cng ngh, nng cao cht lng v a dng ho sn phm m bo mi trng sn xut theo ch trng pht trin ngnh xi mng n nm 2010 ca Chnh ph, nm 2005 Cng ty trin khai xy dng nh my xi mng l quay phng php kh cng sut 350.000 tn xi mng/nm vi tng mc u t khong 350 t VN. D kin qu IV nm 2007 a vo sn xut. 1.3 i Sn xut sch hn
i SXSH c thnh lp bao gm cc thnh vin sau thc hin v duy tr SXSH trong cng ty.Bng 1i Sn xut sch hn
TTTnChc vVai tr trong i
1Nguyn Vn P. Tng G ph trch k thut SXi trng
2H Th Thm Trng phng K thutThnh vin
3Nguyn Xun Sn Ph Phng K thutThnh vin
4Nguyn Huy Hin Ph Phng KCSThnh vin
5L Anh DngThng trc Cng onThnh vin
6Nguyn Cng Ban Trng Phng an ton php chThnh vin
7Nguyn Phi Tuyn Ph Qun c Phn xng thnh phmThnh vin
8Nguyn nh Thnh Qun c Phn xng l nungThnh vin
9Nguyn Vn c Qun c Phn xng nguyn liuThnh vin
10Nguyn c Gingc ca phn xng nguyn liuThnh vin
11L Quang Thng Qun c Phn xng c khThnh vin
12L c Trung Nhn vin phng K ThutThnh vin
13H c Long Trng Phng K hochThnh vin
14Phng Th Kim XuynNhn vin phng K thutThnh vin
15Phm Xun Ho Trng Phng Hnh chnhThnh vin
2 Tng quan v sn xut
2.1 M t v cc cng on sn xut
vi c khai thc ti m c kch thc 350-500mm c a vo my p hm gia cng s b xung kch thc ( 70mm, ri c bng ti chuyn vo my p ba gia cng ti kch thc ( 25mm. Ra khi my ba, vi c gu ti chuyn ln sil vi.
St t kho cha c cn trn vi cc ph gia iu chnh nh cao silic, qung st... qua bng ti vn chuyn ti my cn v c gia cng ti kch thc ( 20mm, sau c sy trong my sy thng quay ti m ( 2%. Sau sy st c gu ti chuyn ln sil st.Than t bi cha c vn chuyn v phn xng gia cng nhin liu v c a vo my sy thng quay sy ti m 2 - 5% v d tr trong sil than.
Nguyn liu vi, st, than, ph gia iu chnh v ph gia khong ho (nu c) c gia cng s b, cha cc sil, c tho qua ca van y sil v phu np ca h thng cn nh lng. Ti y nguyn liu c nh lng theo t l quy nh ca n phi liu v cp xung bng ti cao su v c a ti ca np liu ca my nghin. Ti my nghin nguyn liu c nghin thnh bt mn, sau c qua my phn ly chia thnh hai loi: loi t mn 8-10% tnh theo lng d trn sng 0,08mm c vt ti v gu ti a v sil cha bt phi liu; loi liu th c a tr li my nghin.Bt phi liu c tho ra t sil c trn u nh h thng vt ti mt trc v hai trc ti khi ng nht v oc cha trong sil ng nht.
Bt liu ng nht sau c vt ti v gu ti chuyn ln kt cha, sau c a ti cn vt nh lng ri chuyn vo my trn m. Ti y bt liu c trn u vi nc ti m 12-14% ri qua ng dn hng xung my v vin thnh cc vin c kch thc 8-12mm. Ra khi my v vin, cc vin liu c bng ti a ti l nung v c ri vo l hnh lng cho nh my ri liu phu quay t trn chp l.L nung c cp gi (khng kh) t qut Rood thi t di ln. Khng kh i qua zone lm ngui (trao i nhit vi clanhke nng lm ngui clanke), zone nung (cp oxy cho qu trnh chy than), zone sy (trao i nhit vi vin phi liu mi vo l lm vin liu nng dn ln) ri thot ra ngoi qua ng khi (kh thi l nung).Cc vin liui t trn xung qua zone sy, zone nung, zone lm ngui ca l. Ti cc zone ny cc qu trnh l - ho xy ra v cc vin liu c nung thnh clanhke.
Ghi quay khi hot ng s nghin clanhke thnh cc c kch thc ( 100mm ri xung bu l xung ng lm kn. Nh thit b tia gamma t ni ng lm kn ca l m c cu tho clanhke chn ng in t t ng tho clanhke xung thit b vn chuyn tip theo.
Bng ng rung vn chuyn clanhke mi ra l ti my p hm gia cng clanhke ti kch thc khong 10mm v c du ti v bng co a ln cha sil clanhke.
Clanhke v cc loi ph gia khong v ph gai cng ngh (nu c) c gia cng s b cha trong cc kt cha, c tho ra qua ca van y kt v phu np ca h thng cn nh lng. Ti y clanhke v ph gia c nh lng theo n cng ngh v cp cho my nghin xi mng. My nghin s nghin hn hp thnh bt xi mng. Sn phm ra khi my nghin c a ti my phn ly v c chia thnh hai loi: loi bt mn 6-8% trn sng 0,08mm c vt ti v gu ti chuyn v sil xi mng trung gian, loi th c hi lu tr li my nghin.Xi mng trong sil trung gian s c ng nht bng c kh theo nguyn tc o trn qua s vn chuyn xi mng t y sil ln nh sil nh vt ti v gu ti cho ti khi ng nht v c chuyn sang sil xi mng bt thnh phm.
My ng bao nhn xi mng bt t sil xi mng ng thnh bao xi mng 50 ( 0,5kg v c bng ti chuyn v kho cha bao xi mng thnh phm.
2.2 Tnh hnh sn xut thc t
Bng 2Tnh hnh sn xut hng nm v hng thng.
TTSn phmn vNm 20066 thng u nm 2007
1Sn phm xi mng ng bao Tn179.39592.242
2Sn phm bn clankeTn34191023
2.3 Cc nguyn nhin liu u vo ch yu
Bng 3Tiu th ti nguyn v nguyn liu th
NoLoi u vo n vNm 20066 thng u nm 2007
1 viTn176.46583.218
2t stTn20.5209750
3Qung stTn46652160
4Than cm 4ATn38.50018.425
5Thch caoTn45882164
6Ph gia xi mngTn30.00014.147
7inkWh16.117.4158.205.837
2.4 nh mc
TTLoi u von v tnhTiu hao nm 2006
1 viTn / Tn SP0,984
2t stTn / Tn SP0,114
3Qung stTn / Tn SP0,026
4Than cm 4ATn / Tn SP0,215
5Thch caoTn / Tn SP0,026
6Ph gia xi mngTn / Tn SP0,170
7inkWh / Tn SP89,843
2.5 Hin trng mi trng
Cc dng thi chnh ca Cng ty bao gm:
Dng thi lng (nc thi) nhim tnh kim v c xi mng; cng ty c h thng silo lng thu hi. Nc thi ny c tp trung vo h cha nc trong cng ty quay vng sn xut khng thi ra mi trng.
Dng thi rn gm: x than ca l sy, cc cht thi rn khc nh bn, bi ... c thu gom v nghin trn lun lm ph gia xi mng.
Khi thi ca l nung klanke do t than thi trc tip vo mi trng. Bi thi do cc r r thit b trong qu trnh sn xut.Hin trng mi trng ca Cng ty c Trung tm Quan trc v Bo v mi trng Ph Th ly mu, o c v phn tch vo ngy 2 thng 5 nm 2007. Cc s liu phn tch mi trng c th cho trong bng ph lc.
Kt qu nh gi nh sau:
1. i vi nc thi: cng ty khng c nc thi ra mi trng. Nc thi trong qu trnh sn xut c vo h tun hon (h cha ni b ca cng ty) ti s dng.2. i vi kh thi v kh mi trng xung quanh:
Tiu chun so snh: cc ch tiu phn tch trong kh thi c so snh vi TCVN 5939 , bng 1 ct A. Cc ch tiu phn tch trong kh xung quanh c so snh vi TCVN 5937-2005, TCVN 5939-2005 (trung bnh 1h) v TCVN 5949-1995 (t 6 - 18h).nh gi:
Kh thi trong hai ng khi ca cng ty c hm lng CO vt 10,5 ln tiu chun cho php.
Kh xung quanh:
V tr ti ca trm Y t c hm lng SO2 vt 1,15 ln; kh NH3 vt 1,33 ln tiu chun cho php. V tr ti trc ca phn xng thnh phm c hm lng bi vt 1,33 ln; SO2 vt 1,09 ln; NH3 vt 1,57 ln tiu chun cho php.3 nh gi
Sau khi khi ng chng trnh nh gi SXSH ti cng ty, i SXSH xem xt chi tit dy chuyn cng ngh sn xut ca ton cng ty v i n thng nht chn trng tm nh gi SXSH l dy chuyn sn xut clanker, ng thi c th xem xt p dng SXSH ti mt s cng on sn xut khc: dy chuyn nghin ng bao xi mng sn phm, h thng cung cp nghin sy than v cc cng on tiu hao nhiu nng lng, nc...m cng ty cng ang quan tm.
3.1 S dng chi tit
3.2 Cn bng vt liuDo iu kin dy chuyn sn xut xi mng ca cng ty l dy chuyn hot ng lin tc, dng nhiu loi nguyn liu khc nhau trong cng mt thi gian, cc nguyn vt liu chy trong dy chuyn kn nn vic tnh ton cn bng vt liu theo cng on rt phc tp. Mt khc, cng ty rt quan tm ti mt s cng on gy tiu hao nng lng cao v sinh nhiu bi nn n gin i SXSH ca cng ty lm cn bng vt liu cu t vi cc nguyn liu v ph liu chnh ca dy chuyn sn xut dng xc nh tn tht ti cc v tr c th.
Cch lm cn bng vt liu nh sau:
+ Bi ti cc cng on chnh: hng ngy thu gom lng bi ti v tr sn xut tnh theo mt n v thi gian. Bi cc v tr c lc bi th tnh theo lu lng bn thi ca thit b lc bi.+ Than: theo di lng tiu th hng ngy ti v tr chnh l cng on sy liu. Than nung tnh theo n phi liu (s dng s liu theo di sn xut trong mt khong thi gian di ri tnh trung bnh cho mt n v sn phm).+ Cc loi ph liu: tnh theo n phi liu (s dng s liu theo di sn xut trong mt khong thi gian di ri tnh trung bnh cho mt n v sn phm).Cc s liu CBVL ca qu trnh sn xut ca cng ty c tnh ton da trn c s cc s liu ghi chp trong nht k sn xut v c tm tt trong bng di y
Bng 4Cn bng vt liu (tnh cho 1 tn sn phm xi mng)
Cng onVt liu u voVt liu u raDng thi
TnS lngTnS lngRnKh
p hm + vn chuyn vi984 kg vi983,5 kgBi: 0,5 kg
p ba + vn chuyn vi983,5 vi983Bi: 0,5 kg
Nghin hn hp v vn chuyn v sillo cha vi983 kgHn hp nghin1338 kgBi hn hp 2 kg
t st114 kg
Than215 kg
Qung st26 kg
Trn m v V vinHn hp nghin 1338 kgVin m1512 kg
Nc174 kg
L nungVin m1512 kgKlanhke807 kgBi 10 kg (thu c sau lc bi)Hi nc 174 kg
Kh CO2 830 kg
Kh thi nng KX
Khng khKX
nh lng trc khi nghin xi mngKlanhke807 kgHn hp 1001 kgBi 2 kg
Thch cao26 kg
Ph gia170 kg
Nghin xi mngHn hp1001 kgXi mng bt1001 kg
ng baoXi mng bt1001 kgXi mng bao 1000 kgBi 1 kg
Ghi ch: KX - khng xc nh c3.3 nh gi nng lngi SXSH ca Nh my kt hp vi chuyn gia ca Trung tm SXSVN tin hnh kim tra tnh hnh s dng nng lng in v nng lng nhit thng qua vic o c nh gi hiu sut s dng nng lng ca cc thit b, tn hao ng dy truyn ti in, hiu sut ng c... Kt qu cho thy c nhiu v tr c tn tht in v nhit nng ln v tim nng tit kim in khong 12%, nhit khong 8%.
T cc kt qu o c nh gi trn, i SXSH ca Nh my s xut cc gii php khc phc cc tn tht nng lng ny. 3.4 nh gi cho dng thi
Bng 5c tnh dng thi (tnh cho 1 tn sn phm xi mng bao)V tr thinh lng dng thic tnh dng thinh gi dng thi
p hm + vn chuynBi 0,5 kgBi c th thu hi ngay nn khng gy tn tht v kinh t m chi gy nhim mi trng lm vicKhng tn tht v kinh t.
p ba + vn chuynBi 0,5 kg
Nghin hn hp v vn chuyn v sillo chaBi 2 kg
L nungBi 10 kgKh thi cc loiGy nhim mi trngGy ra tn tht kinh t v phi x l mi trng
nh lng trc khi nghin xi mngBi klanhke 2 kgGy nhim mi trng v tn tht klanhke2 kg x 400 ng = 800 ng/tn SP
ng baoBi xi mng 1kgGy nhim mi trng v tn tht sn phm1 kg SP x 600 ng = 600 ng/tn SP
Nhn xt: theo bng CBVL v nh gi dng thi cho thy cng on nh lng trc nghin xi mng v ng bao xi mng c tn tht ln nht, lng sn phm b thi b tng i cao. ng thi c dng thi bi c th gy nhim mi trng. V vy ta s tp trung nghin cu cc gii php SXSH nhm gim thiu cc dng thi ny. T c th nng cao c hiu qu sn xut, gim gi thnh sn phm v gim c ti lng nhim mi trng.4 Phn tch nguyn nhn v cc gii php SXSH
Bng 6Phn tch nguyn nhn v xut cc gii php SXSH
Dng thiNguyn nhnGii php SXSH
1. Bi thi t cc bng chuyn nhiu1.1. Hng m bt kn1.1.1. Thay th v sa cha cc m b hng
1.2. Thao tc cng nhn vn hnh gy ri vi nhiu1.2.1. Cng nhn vn hnh ch khi thao tc v thu hi ngay cc bt vt liu ri vi
1.3. Khng c h thng thu hi bi (khu ng bao)1.3.1. Lp t h thng thu hi bi sn phm ti cc v tr thch hp
1.3.2. Thay th my ng bao c kh 2 vi bng my ng bao 6 vi t ng c h thng thu hi bi sn phm.
1.4. Tip liu gy nhiu bi1.4.1. Thay b tip liu rung t bng tip liu t ng
1.5 Do cc phng tin vn ti i li trong khu nh my1.5. V sinh sch s khu sn xut, ti nc cc tuyn ng i.1.5.2. Trng cy xanh chn bi quanh cng ty
2. Tn tht in cao2.1. ng c vn hnh non ti2.1.1. Thay i v tr cc ng c cho thch hp vi ti.2.1.2. Lp t b cos( phn tn trong nh my thay cho t b ti trm
2.1.3. Lp cc thit b tit kim in (Powerboss, Dr.Power...) cho cc ng c ti dao ng: my p hm, my nghin bi...
2.1.4. Thay my p hm bng my cn
2.2. Bo dng km: tut bu-lng nh v, dy cu-roa chng, lch pu-ly...2.2. Tng cng cng tc bo dng: thay th dy cu-roa hng, chnh pu-ly, thay th cc bu-lng hng...
2.3. R r kh nn2.3. Sa cha cc v tr r r kh nn
2.4. X kh qut l khi cao p2.4. Lp bin tn cho cc qut l nung klinker
2.5. thc cng nhn km: cc thit b in chy khng ti. 2.5.1. Tt in khi khng s dng: n chiu sng, qut...2.5.2. Quy nh thao tc nghin hp l (cm tip liu cc qu ln vo my p hm).
2.6. S dng n tn hiu c cng sut qu cao 200W2.6.1. Thay th n tn hiu bng n 40W
2.7. S dng n chiu sng khng c tnh nng tit kim in.2.7.1. Thay th n chiu sng T10 bng n T8; n chiu sng dy tc 200W bng n compact 50W.
3. Tn tht than cao3.1. Lu tr than cht ng ngoi tri3.1.1. Xy dng nh kho cha than
3.2. Thao tc cng nhn: cp m than qu ln, hay m ca l...3.2.1 Quy nh thao tc vn hnh l t cho sy: lng nc trn than, hn ch m ca l cp liu, ch qut gi...
3.3. L sy khng bo n3.3.1. Bo n l sy
3.4. L t cp kh nng qu c, thao tc cp liu th cng3.4.1. Sa cha ca l t kn trnh tn tht nhit qua ca l
3.4.2. Ci tin sang l t cp liu bng my ri than.
5 La chn cc gii php SXSH
5.1 Sng lc cc gii php SXSH
Bng 7 Sng lc cc gii php SXSH
TTCc gii php SXSHPhn loiThc hin ngayCn phn tch thmB loi bBnh lun/L do
1Thay th v sa cha cc m b hngGHX
2Cng nhn vn hnh ch khi thao tc v thu hi ngay cc bt vt liu ri viGHX
3Lp t h thng thu hi bi sn phm ti cc v tr thch hpEMX u t 70 triu ng
4Thay th my ng bao c kh 2 vi bng my ng bao 6 vi t ng c h thng thu hi bi sn phm.EMXXin h tr kinh ph
5Thay b tip liu rung t bng tip liu t ngEMXXin h tr kinh ph
6V sinh sch s khu sn xut, ti nc cc tuyn ng i.GHX
7Trng cy xanh chn bi quanh cng tyGHX
8Thay i v tr cc ng c cho thch hp vi ti.EMX
9Lp t b cos( phn tn trong nh my thay cho t b ti trmGHX u t 450 triu ng
10Lp cc thit b tit kim in (Powerboss, Dr.Power...) cho cc ng c ti dao ng: my p hm, my nghin bi...EMX
11Thay my p hm bng my cnEMX u t 100 triu ng
12Tng cng cng tc bo dng: thay th dy cu-roa hng, chnh pu-ly, thay th cc bu-lng hng...GHX
13Sa cha cc v tr r r kh nnGHX
14Lp bin tn cho cc qut l nung klinkerEMX u t 700 triu ng
15Tt in khi khng s dng: n chiu sng, qut...GHX
16Quy nh thao tc nghin hp l (cm tip liu cc qu ln vo my p hm).PCX
17Thay th n tn hiu bng n 40WEMX
18Thay th n chiu sng T10 bng n T8; n chiu sng dy tc 200W bng n compact 50W.EMX
19Xy dng nh kho cha thanEMXXin h tr kinh ph
20Quy nh thao tc vn hnh l t cho sy: lng nc trn than, hn ch m ca l cp liu, ch qut gi...PCX
21Bo n l syGHX
22Sa cha ca l t kn trnh tn tht nhit qua ca lGHX
23Ci tin sang l t cp liu bng my ri than.EMX
Ghi ch: GH - qun l ni vi tt; PM - thay i qu trnh; MC - thay i nguyn vt liu; PC - khng ch qu trnh tt hn; ; EM thay i ci tin thit b; OR - tun hon ti s dng ti ch.5.2 Nghin cu kh thi
I- H thng cp liu t ng cho my nghin xi mng ti PX thnh phm:
1- Hin trng:
- Clinker sau khi ra khi 2 l nung c bng ti st vn chuyn qua 2 my p hm, p ti kch thc ( 70mm, c gu ti vn chuyn ln h thng 5 xil cha.
- Ph gia cc loi c gia cng qua kp hm ti kch thc < 40 mm qua h thng gu ti ln 2 Bun ke cha.
- y 7 xi l cha c lp t 7 b cp liu rung t, cung cp Clinker, ph gia thch cao, ph gia y, ph gia hot tnh cho 2 my nghin xi mng ( 2,2 x 7m.
2- Nhc im ca h thng:
- 2 my p hm Clinker c cng sut thp ( 10T/h trong kh vic tho Clinker ra l c lc ( 15 T/h nn phi iu chnh rng khe tho liu mi p ht lng Clinker ra l, dn ti kch thc ht Clinker to ti 70mm. Trong khi yu cu c ht ( 25 mm.
- H thng cp liu rung lc hu , iu chnh ca m bng van dng tm, nn rt kh khng ch lng nguyn liu theo t l % yu cu.
- Nng sut cp liu khng n nh, c ht Clinker qu to nh hng ti nng sut my nghin bi , hao mn thit b nghin.
- Nng sut nghin ch t di mc 30 tn /gi
mn xi mng ( 12% trn sng N 0.08
- Tiu tn nhiu thi gian , nng lng ng nht bt xi mng .
- Bi pht sinh nhiu, nh hng ti mi trng lao ng ti khu vc nghin xi mng, tn nhiu cng v sinh cng nghip.
3- Gii php:
- Thay 2 my p hm Clinker hin ti bng 2 my kp hm PE x 150 x 750, ng c 15 kw, nng sut 10 ( 40 T/h
- Thay 7 ca tho liu y xi l Clinker, ph gia bng tho liu dng thanh ghi.
- Thay 7 b cp liu rung t bng h thng iu chnh cht lng cp liu t ng, cn phi liu xi mng TDG 650 ng b (7 cu t) iu tc bin tn).
Bng iu tc iu khin bng my vi tnh gm:
+ 01 my vi tnh + my in.
+ 06 B cn bng iu tc, bin tn cng sut 3 ( 30 T/h
+ 7 b ca tho liu kiu thanh ghi.
+ 01 b cn bng iu tc, bin tn cng sut 0,5 ( 6T/h.
+ 01 t iu khin.
- Xy phng iu hnh 20 m2.
4- D kin kinh ph:
S TTTn thit bYu cu KTS lngn gi (Triu )Thnh tin
(Tr )
1Kp hm
PE X 150 x 540Kch thc vo 210 mm
Kch thc ra 10(40mm
C/S 8 ( 35T/h02 ci170340
2.Cn bng in t, iu tc bin tn TDG 650 cp Clinker bng ti cao su c g chu nhit- Bng ti chu nhit
C/S 3 ( 30 T/h07 b630630
3.H thng iu khin vi tnh01 b
4Van tho liu kiu thanh ghi07 b321
5.Ch lp t4747
6.Chi ph XD nh iu hnh5050
Tng = 1.088.000.000,00
5- Hiu qu sau khi ci to:
a. k thut:
- C ht nguyn liu nh, cp liu xung u, nng sut thit b tng d kin tng khong 10%
- Gim t l hao mn + v bi; tm lt my nghin t 250 gam/tn xung 220 gam/tn
- m bo ng nht xi mng do kim sot c % nguyn liu cp vo chnh xc. T tng thm
- Duy tr n nh mn xi mng v cht lng sn phm nh mong mun.
- Gim chi ph nhn cng vn hnh thit b + v sinh.
b. V kinh t
Do tng nng sut dn n tit kim 3% in nng nghin xi mng (tng ng 2 kWh/tn xi mng):
2 kWh/tn SP x 180.000 tn/nm = 360.000 kWh
360.000 kWh x 1000 ng/kWh = 360.000 ng/nm
Tit kim do gim t l hao mn bi + tm lt
30 gam /tn x 180.000 tn SP/nm x 16 ng/gam = 86.400.000 ng/nm
Tit kim do gim chi ph nhn cng: 20.000.000 ng/nm
Tng thu:
360.000.000 + 86.400.000 + 20.000.000 = 466.400.000 ng/nm
Cc chi ph do c thit b mi:
- Khu hao thit b: 10% = 108.800.000 ng/nm
- Li ngn hng: 76.200.000 ng/nm
Tng chi:
108.800.000 + 76.200.000 = 185.000.000 ng/nm
Thi gian thu hi vn
1.088.000.000 /(466.400.000 185.000.000) = 3,9 nm
C. V mi trng:
- Gim 90% bi pht tn trong khu vc nghin xi mng. Tng ng gim khong 300 tn bi cc b / nm.
- Gim tiu th in 360.000 kWh, tng ng gim pht thi 259 tn kh nh knh CO2- Gii quyt vn lao ng th cng nng nhc v ci thin tt mi trng lm vic cho cng nhn.
II- Xy dng kho cha than:
1. Hin trng:
- Than s dng lm nhin liu nung luyn Clinker xi mng l than cm:
4a Hn Gai AB = 18 ( 22 %
Q = 6.500 Kcal/kg
VBQ = 6,5% WBQ ma kh = 8,5 %
WBQ ma ma = 10,5%
- Than cha ti bi cha ngoi tri, khng c mi che, m than ngy ma to ln ti 17-18%.
- Din tch bi cha : 8.000 tn
2- Nhc im:
- Tn tht nhit nng ca than do mt cht bc.
- Tn tht do ma gi, tri ra, vn chuyn.
- Tn tht nhit xy kh than t m 17% ti m ( 3,5%
(Than khi nhp m bnh qun 10%; W khi ma to ( 17%.
Than sau khi sy a vo SX W ( 3,5%).
- Gim cht lng than.
- nhim mi trng xung quanh.
3. Gii php:
- Xy dng 4 nh kho cha than, khung Tip v ko thp khu 15, mi tn, x g thp, kch thc nh kho ( 15x48m) , mng ct b tng ct thp 200 #, tng bao che xung quanh kho pha di bng gch, pha trn bao che bng tn nn kho dy 150 mm bng b tng mc 150 .
+ Din tch kho: (48x15)m x4 = 2.880 m2
+ Sc cha: 7.000 tn
4. D kin kinh ph:
2.880 m2 x 650.000 = 1.880.000.000,00ng ( 4 nh )
5- Hiu qu sau khi to:- Gim tn tht nhit nng ca than do mt cht bc khong 2%
2% x 38.500 tn/nm = 770 tn/nm
770 tn x 545.000 ng/tn = 419.650.000 ng/nm
- Gim lng tn tht than do ma gi, tri ra, vn chuyn khong 0,2%
0,2% x 38.500 tn/nm = 77 tn
77 tn x 545.000 ng/tn = 41.965.000 ng/nm
- Gim lng nhit cn phi cung cp xy than do hm m than tng ln bnh qun 17% do bi so vi hm m ca than khi nhp 10%. Tng ng 80 tn than/nm
80 tn/nm x 545.000 ng/tn = 43.600.000 ng/nm- Tit kim in nng sy 48000 kWh
48000 kWh x 1000 ng = 48.000.000 ng/nm
- Tit kim nhn cng sy 58.000.000 ng/nm
Tng thu:
419.650.000 + 41.965.000 + 43.600.000 + 48.000.000 + 58.000.000 = 611.215.000 ng/nm.
Chi ph:
Khu hao 10% = 188.000.000 ng/nm
Li ngn hng: 132.000.000 ng/nm
Tng chi: 188.000.000 + 132.000.000 = 320.000.000 ng/nmThi gian thu hi vn
1.880.000.000 /(611.215.000 320.000.000) = 6,5 nm
Hiu qu mi trng ca gii php:
- Gim bn do ma ra tri pht tn ra mi trng 77 tn/nm
- Gim tiu th 48.000 kWh/nm tng ng gim pht thi kh nh knh 35 tn CO2/nm
- gim t 80 tn than sy tng ng gim pht thi kh nh knh 146 tn CO2/nm.- Gim bnh ngh nghip do bi cho cng nhnIII- H thng ng bao xi mng PX Thnh phm:
1. M t hin trng:
- Xi mng bt c gu nng 30T/h a ln kt cha vo 2 my ng bao c kh 2 vi ca Trung Quc cng sut 30T/h/my (1 my hng), sau c bng ti vn chuyn bao a vo kho cha.
2. Nhc im:
- Pht tn nhiu bi trong khu vc ng bao.
- Lng xi mng mt mt nhiu do s dng lc bi Xiclon hiu sut thp.
- Nng sut ng bao thp, kh iu chnh chnh xc cn bao.
3. Gii php:
- Thay th bng my ng bao YDS mm quay 6 vi t ng ca Trung Quc, cng sut 30 ( 200T/h c h thng lm sch bao v ht bi.
- Lp gu nng B400 cp bt cho my ng bao.
4. D ton kinh ph:
Gu nng B400 cao 13m, cng sut 50 tn/gi = 115.000.000 ng.
My ng bao t ng (01 chic) = 1.100.000.000 ng
Chi ph lp t :
50.000.000 ng
Tng cng :
= 1.265.000.000 ng
Tit kim:
- Thu hi trit bi sn phm 200 tn xi mng/nm
200 tn x 600.000 ng/tn = 120.000.000 ng/nm
- Tit kim in vn hnh 27.000 kWh/nm
27000 kWh x 1000 ng/kWh = 270.000.000 ng/nm
- Tit kim nhn cng vn hnh
5 nhn cng x 18.000.000 ng/nhn cng nm = 90.000.000 ng/nm
Tng thu:
120.000 + 270.000.000 + 90.000.000 = 480.000.000 ng/nmCc chi ph do c thit b mi:
- Khu hao thit b: 10% = 126.500.000 ng/nm
- Li ngn hng: 89.000.000 ng/nm
Tng chi:
126.500.000 + 89.000.000 = 215.500.000 ng/nm
Thi gian thu hi vn
1.265.000.000 /(480.000.000 215.500.000) = 4,8 nm
5. Hiu qu mi trng ca gii php:
- Gim bi pht tn ra mi trng 200 tn/nm
- Gim tiu th 270.000 kWh/nm tng ng gim pht thi kh nh knh 195 tn CO2/nm
- Gim bnh ngh nghip do bi cho cng nhn.5.3 La chn cc gii php SXSH
Da trn nghin cu kh thi v k thut, kinh t, v mi trng, nhm cc gii php trnh by trn c la chn thc hin. Tuy nhin do iu kin ti chnh cn cha cho php u t, nn vic thc hin gii php SXSH cha th tin hnh ngay c. Nu cng ty c s h tr kinh ph ca t qu D n "Hp phn Sn xut sch hn trong cngnghip - B Cng Thng" th gii php c th tr thnh hin thc trong mt tng lai ngn.6 H thng qun l mi trng
6.1 Chnh sch mi trng
Nghim chnh thc hin cc quy nh ca nh nc v Lut bo v mi trng. m bo mi trng sn xut an ton, c y cc iu kin an ton v sinh lao ng cho cng nhn, gim thiu cht thi.6.2 Mc tiu cn t c
m bo cc ch s nhim kh thi nm trong gii hn cho php ca TCVN.
Gim 100% bi do r r trong khu trung gian ca qu trnh sn xut.
Gim 10% tiu th in nng v 7% than sy liu, tng ng gim thiu pht thi kh nh knh CO2.Kim sot vic thc hin cc bin php gim thiu nhim mi trng cng nh nh gi hiu qu thc hin cc bin php gim thiu nhim mi trng.
6.3 Chng trnh mi trng
i vi Cng ty C phn Xi mng Ph Th, cc ngun nhim ca qu trnh sn xut l: nhit , ting n, kh thi, bi v cht thi rn. Cng ty c cc gii php qun l mi trng nhm gim thiu tc ng ca qu trnh sn xut ti con ngi v mi trng nh c m t di y.I. Cc gii php gim thiu tc ng mi trng1. nhim nhit gim thiu nhit trong mi trng lm vic ca cng nhn, Cng ty u t trang b h thng thng gi cng bc ti cc v tr lao ng c nhit cao, hp l ho qu trnh sn xut trnh cho cng nhn tip xc vi mi trng c nhit cao. Bo n nhit cho cc thit b thch hp.
2. Ting n v rung ng
Nh my c bin php c th khc phc tnh trng ny nh:
Hin i ha thit b v hon thin cng ngh, nhm mc ch gim mc n ngay ti ni ngun pht sinh. C th, lun c k hoch tiu tu, trung tu v i tu my mc, thit b ng quy trnh quy phm v vic bo dng nh k my mc thit b c tc ng tch cc trong vic gim ting n ti ngun pht sinh.
Nng cp mt s thit b mi: thay th my p hm bng my cn.3. Bi v kh thi
Hin nay cng ty v ang p dng nhiu bin php gim thiu bi: chuyn i p hm thnh my cn; sa cha tt c cc v tr c r r bi; che ph khu nhin liu than; ti nc cc khu vc sinh nhiu bi, trng cy xanh; v thay th mt s thit b mi.S dng nhin liu c hm lng lu hunh thp, kt hp lp t h thng lc bi t gim thiu pht tn kh c ra mi trng.
Trong thi gian ti cng ty s trang b thm h thng ht v lc bi ti tt c cc v tr thch hp. 4. Cht thi rn
Tn dng ti a cc cht thi rn a tr li qu trnh sn xut:
X than tn thu lm ph gia sn xut xi mng.
Bn thi trong cc b lng tn thu a tr li ti s dng.II. Gim st mi trng1. Gim st mi trng khng khV tr gim st : 04 im
ng khi 1 ng khi 2 Ch tiu gim st: CO, NO, NO2, SO2, bi Trm y t Khu phn xng thnh phmCh tiu gim st : nhit , TSP, CO, NO2, SO2, NH3, HF, HCl, Pb, H2S, bi, n, 2. Gim st cht lng nc thi ni b
V tr gim st: 01 imCh tiu gim st: nhit , pH, Fe, BOD5, COD, SS, Cld, tng pht pho, pht pho hu c, tng nit, amoni, florua, phenol, sunfua, xianua, Cr+6, Cr+3, Fe, Sn, Cu, Zn, Mn, Ni.3. Tn sut gim stGim st nh k: 01 ln/nm
4. Kinh ph gim st mi trngKinh ph gim st do Nh my chu trch nhim chi tr cho c quan quan trc mi trng v s c tnh cn c vo khi lng mu phn tch thc t ti tng thi im bao gm c chi ph ly mu v phn tch cc ch tiu cn gim st.
D kin kinh ph gim st mi trng: 30 triu ng/nm.7 Thc hin
7.1 Danh sch cc gii php c thc hin
Bng 8 Danh sch cc gii php c thc hin
Tn gii phpPhn loi nhm gii phpCc chi ph thc hin thc tLi ch kinh t d kin
Gii php 1, 2, 6, 7, 12, 13, 21, 22Qun l ni vi450 triuGim 5-6% tiu th in, tng ng tit kim khong 800 triu/nm
Gii php 3, 8, 11, 14, 17, 18Thay i thit b 870 triuThu hi c khong 200 tn SP/nm; tng ng 120 triu/nmTit kim in khong 600 triu/nm
Gii php 16, 20
Kim sot qu trnhGim tiu th than sy 12%, tng ng 210 tn than/nm =115 triu/nm
7.2 K hoch hnh ng
tip tc trin khai v duy tr chng trnh SXSH ti Cng ty, i SXSH phn cng trch nhim ca tng thnh vin trong i nh sau:
- Ph trch chung v kim tra, n c thc hin ton b chng trnh SXSH s do ng ch Nguyn Vn , Ph tng gim c m nhim.
- Cc gii php SXSH cn thit k k thut v u t do ng ch H Th Thm ph trch chnh, kt hp vi cc ng ch Nguyn Xun Sn, H c Long, L Quang Thng lp k hoch ti chnh. nh k bo co kt qu thc hin cho Ban gim c.
- Cc gii php lin quan h thng qun l mi trng do ng ch Phm Xun Ho v L Anh Dng ph trch.
- Cn b ph trch cc phn xng chu trch nhim trin khai vic thc hin cc gii php SXSH ti phn xng ca mnh; bao gm cc cng tc v qun l ni vi, gim st qu trnh, quan trc kt qu ca cc gii php...
- i vi cc gii php cn nghin cu v u t ln cn xem xt thm giao cho phng K hoch u t lp phng n thc hin v trnh Ban gim c xem xt.Bng 11K hoch hot ng thc hin cng vic lin quan n SXSH.
Gii phpNgi chu trch nhim i vi tng gii phpThi gian thc hin
K hoch quan trc ci thin
1234
Ph trch chung v thc hin ton b chng trnh SXSHNguyn Vn Thng xuynXc nh mc tiu hao ho cht, NL, in nc hng thng.
Kim sot vic thc hin cc gii php t cn u t, c th thc hin ngayCc qun c PX chu trch nhim ti PX ca mnhThng xuynXc nh tiu hao NVL, ho cht, NL, nc v cht lng sn phm sau khi thc hin gii php
nh k o to cng nhn v quy trnh cng nghNguyn Xun Sn02 ln/nmKim tra sau khi o to
N/C kh thi cc gii php cn u t lnH Th Thm , Nguyn Xun Sn, H c Long,
L Quang ThngHon thnh trong thng 9/2007
Theo di v duy tr cc kt qu ca chng trnh SXSHCc thnh vin trong i SXSHThng xuynTiu hao NVL, NL, ho cht hng thng
8 Duy tr sn xut sch hn
8.1 Tip tc gim st
- Lp k hoch sn xut c th cho tng phn xng, giao trch nhim r rng cho ph trch cc b phn t chc sn xut tt nht.
- Thc hin tiu chun ho cc nh mc chi ph sn xut. Lun gim st cht ch cc chi ph sn xut phi nm trong nh mc cho php.
- Lun cp nht cc chi ph phc v sn xut: nguyn liu, ho cht, in, nc. Xc nh cc chi ph bt thng tm ra nguyn nhn gy tn tht v khc phc ngay.
- Phn cng trch nhim, nhim v ca tng cn b qun l sn xut. Hng tun, hng thng c hi xem xt iu chnh hp l.
8.2 Cc cng vic tip theo
a. Xy dng v hon thin h thng qun l mi trng ph hp vi vic Sn xut sch hn.
b. Tip tc xy dng v hon thin cc quy ch, cc hng dn qu trnh sn xut ti u ho qu trnh sn xut, tng hiu sut qu trnh.
c. Tip tc thc hin cc gii php c u t ln v cc gii php mi trng.
d. Tin hnh o to Sn Xut Sch Hn n t trng t sn xut.
V cc cng vic khc.9 Kt lun v cc kin ngh
Trn y l bo co nh gi Sn Xut Sch Hn giai on I ti Cng ty C phn Xi mng Ph Th.
Chng ti xin chn thnh cm n Trung tm Sn xut sch Vit Nam gip chng ti hon thnh bo co ny.
Chng ti xin cm n S Cng nghip Ph Th, Hp phn sn xut sch hn trong Cng nghip CPI to iu kin cho chng ti tham gia Hp phn v mong mun tip tc nhn c s h tr ca Hp phn v k thut v ti chnh chng ti c th t c mt qu trnh sn xut hiu qu nht.
Trung tm Sn xut Sch Vit NamCng ty C phn Xi mng Ph Th
10 Ph lc10.1 kt qu phn tch mi trng ti cng ty
10.2 Kt qu nh gi hin trng ng c in
Trung tm Sn xut sch Vit Nam
Tng 4, Nh C10
Trng i hc Bch Khoa H Ni
ng i C Vit
H Ni, Vit Nam
T: (84.4) 8 684 849
T/Fax: (84.4) 8 681 618
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