Bell Type annealing furnace .

Kan company siam bell type annealing furnace ah hian furnace table, a chhung lam cover, heating cover, cooling system, leh furnace temperature precision automatic control sang tak nei microcomputer te a awm a. Bell type annealing furnace-ah hian furnace table pahnih, chhung lam khuhna pahnih leh heating cover a awm a. A cooling cover, furnace table pakhat a lum leh a lum leh a lum lai chuan furnace table dang chu cooling leh unloading process-ah a awm a. Heating cover hian furnace table pahnih chu a thlak danglam a, energy humhim leh continuous production neih theihna turin a ti a ni.

Annealing process system of cold-rolled strip steel hi a bulpui ber chu steel chemical composition, product technical standards, strip steel lian tham leh coil rit zawng te hi a ni. Process system chuan a siam chhuah laiin coil layer te inkarah adhesion a awm loh nan leh a chung lamah oxidation a awm loh nan a enfiah tur a ni.

A. Heating speed tehna Steel heating speed hi steel thermal conductivity lian tham a nih dan azirin a dik ber a ni. Steel-a carbon awm zat leh alloy awm zat hian heat conduction-ah nghawng nasa tak a nei a ni. An content a sang a nih chuan thermal conductivity a tlem a, a chhung leh pawn inkar boruak lum lutuk lo turin heating speed chu a remchan dan angin a slow tur a ni a, chu chuan organization leh performance inang lo tak a thlen thei a ni. Room temperature atanga 400℃thleng chuan heating speed hi a tlangpuiin tihkhawtlai a ni lo. Crystallization process principle ang chuan strip steel chhungril structure chu room temperature atanga 400℃thlengin a danglam vak lo . Rolling process-a elongated grains te chu an lo dam leh chauh a, recrystallization an la siam lo. Chuvangin, he range-a steel heating speed a rang zawk chuan a tha zawk. Strip steel hi 400℃atanga holding temperature thlengin a lum a, heating speed hian strip steel performance leh surface quality ah nghawng nasa tak a nei a ni. A tlangpuiin heating rate chu 30-50℃/h a ni tih an sawi. Strip steel chu 400℃atanga holding temperature 723℃aia hniam thlenga tihlum a nih chhung chuan recrystallization formation stage a ni. Chuvangin, he temperature range-ah hian heating speed hi control a ngai a ni.

B. Holding temperature leh holding time steel-a recrystallization temperature chu temperature fixed a ni lo. Strip steel chhunga structure awm dan nen a inzawm a ni. Recrystallization temperature actual production ah chuan 570-720℃inkar ah product a zirin thlan a ni . Holding temperature leh holding time hi product standard, technical condition, steel chi hrang hrang leh strip thickness hmanga teh a ni ber. Holding time leh holding temperature te pawh hi coil weight leh strip thickness nen a inzawm a ni. Coil a rit zawk a, steel plate a thim chuan holding temperature a sang a, holding time a rei zawk bawk. Interlayer bonding defect leh thin strip steel nei duh tan chuan holding temperature a hniam thei a, holding time pawh a tawi thei bawk.

C. Strip steel decarburization leh oxidation awm loh nan bright annealing bright annealing a ngai a ni. Annealed steel coil-te oxidation venna atana thil pawimawh tak chu, protective cover-a pressure chuan process mamawh a phuhruk a ngai a ni. Tin, cold blowing leh hot blowing pawh uluk taka tih a ngai bawk. Cold blowing leh hot blowing hman chhan chu inner cover-a boruak leh steel coil-in a rawn luhtir oil, gas leh moisture-a boruak chu a hnawhchhuah theih nan protective gas hman a ni. Hot blowing-in a chanvo chu a chhung lam khuhnaa gas awmsa chu a hnawhchhuah belh zel mai ni lovin, a pawimawh zawk chu, plate coil-in a rawn thlen emulsion-in a siam chhuah oil meikhu leh tui vapor ang chi thil tha lo zawng zawng chu hnawhchhuah a, steel plate chunglam a bawlhhlawh lo thei tur leh steel plate chunglam quality tihtlem a ni.

Kan company hian bell type annealing furnace furnace size hrang hrang leh model te chu user te mamawh angin a design leh siam thei a ni.

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