Cov xwm txheej tam sim no ntawm Gypsum thaiv

Achievement-1-6Xyoo 1940, semi-hydrated gypsum ua los ntawm ntuj gypsum tau siv thoob ntiaj teb los tsim cov gypsum blocks los ntawm cov tiaj tus pwm casting txoj kev. Nyob rau lub sijhawm xyoo 1950, cov khoom lag luam raug hloov mus rau feem ntsug ua pwm casting thiab jacking thev naus laus zis, thiab cov khoom tso tawm ntau ntau.

Txij li xyoo 1970, kev siv tshuab moulding tau tsim kho tas li, thiab cov txheej txheem ntsug pwm nqa tau tsim los ntawm kev siv ib nrab mus rau tag nrho tsis siv neeg. Piv txwv li, siv hydraulic tsis siv neeg txiav los ua cov kab sib tsoo sab saud, cov hlau pwm yog chrome-plated txhawm rau txhim kho cov khoom lag luam kom zoo dua qub, ntau kab noj hniav pwm yog siv los nce cov tshuab tawm ib zaug, thiab pneumatic telescopic clamps tau siv los ua kom yog txoj haujlwm, clamp, nqa thiab txav tag nrho cov kab ntawm sab.

Txij li xyoo 1990, flue gas desulfurization gypsum tau siv los ua cov khoom siv los hloov chaw gypsum, thiab cov khoom lag luam tau zoo dua txuas ntxiv.

Gypsum cov khoom lag luam yog tsim thiab siv ntau dua 60 lub teb chaws thoob ntiaj teb, uas yog siv ua cov khoom tsis muaj cov khoom thauj sab hauv phab ntsa hauv vaj tse, chaw ua haujlwm, tsev so, thiab lwm yam

Nws tau raug lees paub thoob ntiaj teb tias gypsum block yog khoom vaj khoom tsev ntsuab ruaj khov, uas suav rau ntau tshaj 30% ntawm tag nrho cov nyiaj ntawm cov tha xim sab hauv phab ntsa hauv Tebchaws Europe. Cov tebchaws nyob sab Europe uas tsim thiab siv cov gypsum block suav nrog Russia, Fabkis, Lub Tebchaws Yelemees, Belgium, thiab Spain, Poland, Ltalis, Austria, Switzerland, Luxembourg, Greece, Turkey, Finland, Czech Republic, Romania, Bulgaria, Serbia, thiab lwm yam.

Ntxiv nrog rau Tuam Tshoj cov av loj, muaj 15 lub tebchaws thiab thaj chaw hauv Asia uas tsim cov gypsum cov khoom, nrog tag nrho thaj tsam thaj chaw ntau lawm txog 2,000. Lub ntsiab Asian gypsum thaiv tsim lub teb chaws thiab thaj chaw yog: Is Nrias teb, Kaus Lim Qab Teb, Singapore, Thaib, Indonesia, Pakistan, Afghanistan, Nyab Laj, Bangladesh, thiab lwm yam; Cov Middle East suav nrog Iran, Saudi Arabia, Israel, Jordan, Lebanon, Syria, Oman, Iraq, thiab lwm yam. Neeg Asmeskas gypsum thaiv cov khoom lag luam yog cov teb chaws Algeria (2 lab square metres / a), Egypt, Morocco, Tunisia, Senegal, thiab lwm yam.

Tsuas yog Mexico tsim cov gypsum thaiv hauv North America. Sab qab teb Asmeskas gypsum thaiv cov khoom lag luam yog Brazil, Chile, Argentina, Venezuela, thiab Colombia. Tsuas yog Australia tsim cov phiaj neeg gypsum hauv Oceania.


Lub sij hawm tshaj tawm: Tsib Hlis-18-2021