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Tuy nhien, nhin vao bdc tranh toan canh ve nganh san xuat VLXD cua tinh ta van cdn bdc Id nhieu han che, san pham VLXD trong tinh chu yeu van la cac loai VLXD truyen thd'ng, VLXD dan[r]
(1)NGHIEN CUU - TRAO DOI
O N G D U N G T I E N B O K H O A H O C V A C O N G N G H E
T R O N G S A N X U A T V A T L I E U X A Y D U N G T A I T H A N H H O A
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Trong giai doan hien nay, cung vdi sd phat trien chung cong cuoc cong nghiep hoa va hien dai hoa cua dat nddc, nganh cong nghe vat lieu xay ddng (VLXD) da phat then rat nhanh chong nham dap dng nhu cau cang cao cua xa hpi
Nam bat ddpc xu huting hien tai va tdong lai cua the gidi viec san xuat - sd dung cac loai VLXD ben, dep, nhieu cong nang, than thien voi moi trddng nhieu cd sd san xuat VLXD nddc da tap trung nghien cdu, dng dung ky thuat tien bp vao san xuat va da cho thi trddng nhieu san pham phong phu ve chung loai, dap dng nhu cau xay ddng co ban (XDCB)
Thanh Hoa la mdt tinh dddc danh gia la cd tiem nang viec phat trien san xuat VLXD Trong nhdng nam qua, nhd dng dung cac tpu mdi Khoa hpc va Cong nghe nganh san xuat VLXD cung da co nhdng bddc phat trien to ldn
- Trong san xuat xi mang:
Nhdng thap nien cudi cua the ky XX, cong nghe san xuat xi mang chu yeu la sd dung phdOng phap dot, co nghTa la nguyen lieu dau vao dddc gia cdng va phdi trdn dong nhat d trang thai ho, dp am rat cao (khoang 35- 40%) sau ddpc bom vao Id nung Hien phddng phap da lac hau, hau nhd khdng cdn dddc ap dung nda Cac nha may san xuat xi mang hien da ap dung san xuat theo phddng phap khd, nguyen lieu dau vao ddOc gia cdng phdi trdn dong nhat d
KS Nguyen Ngoc Q u y Trudng phdng Quan ly Do ludng
Chi cue Tieu chuan Do ludng Chat lUdng Thanh Hda
trang thai khd sau dda vao nung Chung ta hay hinh dung mpt cdng nghe ma nguyen lieu trddc nung luyen cd dp am rat cao thi chi tinh den tieu ton nhien lieu cho viec lam bdc hoi het 35- 40% Idpng nddc co phan nguyen lieu da ldn den chdng nao Day la van de co ban lam tang gia san pham neu san xuat theo phddng phap ddt Mat khac, san xuat theo phddng phap ddt can mat bang rpng, trang thiet bi ldn, suat dau td cao cung la nhdng nguyen nhan day gia xi mang len cao Vdi cdng nghe mdi san xuat xi mang theo phdOng phap khd da khac phuc dddc nhdng han che tren (giam chi phi nhien lieu, trang thiet bi gpn nhe, chiem it dien tich, suat dau td giam ) Thanh Hoa co nha may san xuat xi mang Nha may xi mang Nghi Son ddpc dau tdva san xuat nam 2000 vdi cdng nghe khd; nha may xi mang Bim Sdn dddc Lien Xd cu dau tdtdthap nien 80 cua the ky XX vdi cong nghe ddt den da cai tao va md rdng theo cdng nghe khd va da di vao san xuat dn dinh, chac chan se dem lai hieu qua hdn trddc rat nhieu
- Trong san xuat gach xay:
(2)NGHIEN CUU • TRAO DOI Thanh Hoa co khoang 30 day chuyen san
xuat gach dat set nung theo phu'ong phap Tuynel vdi san IdOng xap xi 1,0 ty vien/nam Phddng phap nung gach noi rieng hay vat lieu gom ndi chung lo Tuynel la mpt phddng phap tien tien, day la phddng phap nung lien tuc giup tiet kiem nhien lieu, nguyen lieu, tinh cd gidi hoa cao, giam eddng dp lao dpng cho ngddi, giam thieu nhiem mdi trddng bui, khdi va cho nang suat cao Vdi nhdng lpi the ve mat cong nghe tren cac nha may san xuat gach dat set nung theo cong nghe Tuynel da va dang thay the cac cd sd san xuat theo phdOng phap thu cdng Id ddng lac hau
Tuy nhien mdt han che ldn nhat cua san pham gach dat set nung la sd dung dat set rudng lam nguyen lieu.Theo sd lieu td dd an dieu chinh quy hoach phat trien VLXD Thanh Hoa thdi ky 2008-2015, dinh hddng den nam 2020, vdi san Iddng cua cac nha may gach Tuynel nhd tren thi hang nam se tieu ton mot Idpng dat set ruong tdong ddong khoang 300-350 ha, vay se anh hddng ldn den quy dat canh tac ndng nghiep Mat khac, ke hoach tdng the phat trien VLXD Viet Nam den nam 2020, Chinh phu "khuyen khich viec chuyen ddi nguyen lieu san xuat td dat set san xuat gach nung sang nguyen lieu dat doi, dat bai va phe thai cdng nghiep " Nhd vay san pham gach dat set nung sd dung nguyen lieu tdset ruong se khdng dddc khuyen khich san xuat Be thdc hien theo dinh hddng cua Chinh phu va cua nganh xay ddng, vda qua Sd KH&CN Thanh Hoa da td chdc trien khai mdt sd de tai - dp an khudn khd nghien cdu va san xuat thd nghiem VLXD mdi nham muc dich thay the mdt phan gach dat set nung, cu the la de tai "Nghien cdu sd dung dat ddi de san xuat gach thay the mdt phan rudng" (do Cong ty cd phan VLXD Bim Son chu tri va da trien khai co hieu qua)
- Cac san pham VLXD ndi that: Cung vdi sd phat then kinh te - xa hoi nhdng nam gan day, VLXD npi that cung ddpc phat trien manh ca ve chung loai cung nhd chat Iddng dap dng nhu cau cang cao cua xa hdi VLXD npi that tinh chu yeu tap trung vao mdt so san pham co loi the td ngudn nguyen lieu dia phdOng nhd: Da dp lat xay ddng td ngudn nguyen lieu da Thanh Hoa; van go cong nghiep td nguyen lieu phe thai cdng nghiep che bien gd, cong nghiep dddng mia; van ludng td nguyen lieu luong cay; gach ceramic td nguyen lieu thd tinh; nhda U-PVC, tam Ipp kim loai ma mau td cac co sd san xuat cd Mpt so CO sd tren cung da ddpc sd quan tam ho trp cua tinh viec nghien cdu KH&CN nham hop ly hoa quy trinh san xuat, nghien cdu san xuat thd nghiem gop phan nang cao chat Idpng, giam gia thanh, tang sdc canh tranh tren thi trddng
Tuy nhien, nhin vao bdc tranh toan canh ve nganh san xuat VLXD cua tinh ta van cdn bdc Id nhieu han che, san pham VLXD tinh chu yeu van la cac loai VLXD truyen thd'ng, VLXD dang thd, ban pham; phan bd chda hpp ly; quy md chu ye'u la nhd le; cd rat it cac cO sd san xuat VLXD cdng nghe cao nhat la VLXD ndi that; chda xay ddng dddc cac thddng hieu VLXD dda tren ngudn tai nguyen dac biet cua dia phddng nhd: da dp lat, vat lieu npi that td ludng
Trong thdi gian toi de thdc hien phat then VLXD theo quy hoach cua Chinh phu cung nhd cda Thanh Hoa, tinh can co cac chinh sach du tien khuyen khich phat trien cac loai VLXD mdi, than thien vdi mdi trddng, tien nghi, tiet kiem nang Idpng, VLXD sd dung nguyen lieu td phe thai va dac biet la can tang eddng sd lien ket cua cac nha: nha quan ly, nha khoa hoc, nha doanh nghiep de cac tpu KH&CN ddOc tnen khai mdt each co hieu qua vao thdc tien /