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Main Equipment & Spare Parts Of Bf

ⅠBF TOP EQUIPMENT & SPARE PARTS

1. Main Frequent Spare Parts of Bf Bell Top
● Lower bell, lower bell rod and its rod protection hood
● Large bell, large bell hopper, large bell rod and its protection hood
● Distributor gear ring
● Protection plate for receiving hopper
● Mechanical equipment: reducer, motor and driving system
● Probe box, chain, hammer and driving system

BF Top Equipment

2. Main Frequent Spare Parts of Bf Bell-Less Top Equipment
● Protection plate for receiving hopper
● Stock-stopping valve
● Upper and lower sealing valve
● Protection plate for weighing hopper
● Regulation valve for weighing
● Corrugation pipe expansion device or expansion bellow
● Distribution chute and its protection plate
● Obliquity reducer and others
● Central throat pipe
● Probe

BF Top Equipment


BF Hydraulic Mud Gun & Driller

II. NORMAL SPARE PARTS FOR CAST HOUSE

1. Three Machines in front of BF: Hydraulic mud gun, hydraulic slag blacking machine, hydraulic driller
● Drill head, drill rod, charge, hydraulic cylinder and parts
● Hydraulic slag blacking machine Normal parts: small head, big head, various adjusting rods
● Normal parts for mud gun：Gun head, gun neck, oil cylinder, mud cylinder, rotating device, mud striking device, and various parts.

BF Driller Head

2. Blast delivering device: it is the throat through which hot stove delivers blast to BF; its working conditions are usually bad and can easily damage equipment.


BF Blast Delivering Device & Normal Parts for Tuyere & Slag Notch

3. BF Slag & Iron Trough and Bricking Laying Material

Quality		Al₂O₃-SiC-C	Al₂O₃-SiC-C	Al₂O₃-SiC-C	Al₂O₃-SiC-C	Al₂O₃-SiC-C
Properties		Normal	Normal	Normal	Normal	Normal
Modulus of rupture(MPa)	110^° C×24h	≥4	≥5	≥4	≥3	≥4
Modulus of rupture(MPa)	1450^° C×3h	≥6	≥7	≥9	≥5	≥7
Cold crushing strength(MPa)° C	110^° C×24h	≥20	≥20	≥20	≥15	≥15
Cold crushing strength(MPa)° C	1450^° C×3h	≥45	≥50	≥60	≥35	≥40
Bulk Density(g/cm³)	110^° C×24h	≥2.60	≥2.65	≥2.70	≥2.40	≥2.50
Bulk Density(g/cm³)	1450^° C×3h	≥2.50	≥2.55	≥2.65	≥2.30	≥2.38
Chemical analysis(%) Grain size mm(%)	Al₂O₃	≥60	≥65	≥70	≥50	≥58
	SiC	≥13	≥10	≥12	≥10	≥10
	C	5-8	4-10	6-9	7-10	5-10
	top size mm	8	8	8	7	8
	less than 88um	≥33	≥32	≥31	≥34	≥34
Water content(%)		4.5-5.5	4.5-5.5	4-5	6-7	5-6
Application		Main trough,iron runner for middle-sized blast furnace	Iron runner for big-sized blast furnace.	Main trougth,metal line for big-sized blast furnace	Main trough,iron runner for small-sized blast furnace	Slag runner for big-sized blast furnace.

III. BF CAST IRON & COPPER STAVE COOLER

BF Cast Iron Stave Cooler

BF Copper Stave Cooler

IV.BF BLOWER STATION

BF Dissection

BF Blower

Spare parts：
1. Rotor of blower(in case of accident)
2. Power oil station pump and various hydraulic parts

Ⅴ. HOT BLAST VALVES
1. Non-lining hot blast valves
● QR42W, QR42fW, QR742W, QR742fW, QR942W, QR942fW, QR9T42W non-lining hot blast valves
● QR9T42W motor-driven non –lining hot blast valves
2. Special-shaped water road lining hot blast valves
● QR43R, QR43fR, QR743R, QR743fR, QR943R, QR943fR
● QR7s43fR, and QR6s43fR DN1800 hydraulic-driven and pneumatic-driven hot blast valves
● QR9T43R DN500 motor-driven special-shaped water road lining hot blast valves
● QR743fR DN1800 Hydraulic-driven hot blast valves
3. Round water road and lining hot blast valves
● QR744R and QR944R
4. Square water road and lining hot blast valves
● QR746R, and QR946

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