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Blast Furnace Sludge Briquette Machine

  • Production capacity:

    1-30 million tons of production

  • Application:

    Civil coal, industrial coal and lime production line

  • Brief description:

    briquette production line equipment is the first choice of investment projects of energy saving and emission reduction in coal industry.

  Productive capacity

The blast furnace sludge is the waste of blast furnace ironmaking.In the blast furnace ironmaking process, impurities in iron ore, such as lead and zinc were restored, and to form steam at high temperatures, with ore, coke, fluxes and blast furnace gas was brought outside, then through the furnace gas dust purification system to catch removed. Coal gas gravity dust and fine dust of the dust removal system composed of two segments, the trap down in the first paragraph of the coarse particle dust dry is heavy dust; the second paragraph of fine dust and dry type bag filter or wet cleaning system. The drying type dedusting of drying fine-grained dust been known as bag filters dust (blast furnace dust, fine dust), The wet dust that obtained after precipitation treatment sludge been known as blas furnace sludge.

Blast furnace sludge primarily composed of iron oxide and carbon, also contains a small amount of zinc, bismuth, lead etc nonferrous metal. The blast furnace sludge/dust recycling, not only enable the valuable mineral resources To recycle, you can also reduce the dust pollution to the environment.

After numerous experiments, the blast furnace sludge/dust mix the sintered ore then briquetting by blast furnace sludge briquette machine,briquettes can be sintered in furnace, making full use of iron and carbon in sludge, to reduce energy consumption,reduce the cost of sintering.In addition, the blast furnace dust without additional processing, you can use the cheap coal as reducing agent and fuel, through briquetting by high pressure briquette machine, directly smelting on the furnace, it can be obtained more than 90% of the direct reduction iron.

Blast furnace gas sludge is mixed with iron ore concentrate powder and some binder, as 0.8 : 1 : 0.018 ratio, blend then go into high pressure briquette press machine to briquetting, the briquettes produced can roast in furnace The roasting temperature is 1330-1360 ℃, 50-60min roasting time, under the condition of 30-40mm fabric thickness, it can reach TFe75%-80%,MFe 60-70%, MR80-90%,C1-2%, S0.50%-0.60%.

Zhongzhou blast furnace sludge briquette machine is specifically designed for briquetting blast furnace sludge etc powdered materials, it has high productivity, high degree of automation, production efficiency,low failure rate, easy maintenance, so Zhongzhou blast furnace sludge/dust briquette machine was welcomed by many enterprises at home and abroad.

The flow chart of blast furnace sludge briquettes production line:
1, Hopper silo, uniform quantitative material to the horizontal two-shafts mixer.
2, Blender,also named liquid mixer, it is used for liquefied adhesive (if you use powdered adhesives, you can choose the dry powder feeder.)
3,The horizontal two-shaft mixer, full mixing raw materials, adhesives, water. The adhesives should uniform distribution among raw materials in order to achieve better thermal strength, briquettes is hard and better.
4, blast furnace sludge/dust briquette machine is the core of whole production line, it press mixing materials into briquettes, the briquettes' size and shape can be customized, zhongzhou can produce various shapes of rollers.
6, vertical dryer, drying the wet briquettes from briquette machine,the briquettes can be drying to 3% water content, finished briquettes will put in storage or packaged. 7, belt conveyor, connected to devices, it is guanrantee for the whole blast furnace sludge briquettes production line to realizes full automation.

The requirements for raw materials of blast furnace sludge briquettes production:
1, the particle size of the raw material should be between 0-5mm.
2, can not contain impurities, especially large metal. Such as nails, or iron, rocks, it very likely damage roller and spindle.
3, the feeding of whole produciton line should be stable, even, ensure workloads of briquette machine stable, to get high efficiency of production.

Zhongzhou company based on metallurgical briquette pressure equipment technical services, to create maximum value for clients, The blast furnace sludge briquette machine we produced has the high pressure, high finished product rate, high strength, fully meet the requirements of the operation of converter steelmaking, cost reduction for the production practice of converter smelting, optimized operation,shorten the smelting practice, speed up the rhythm of steel making, create the conditions for the realization of maximum benefit, we sincerely welcome all steel enterprises to explore, mutual benefit and win-win.

  Parameters
Model Performance ZZXM-4 ZZXM-6 ZZXM-8 ZZXM-10 ZZXM-15 ZZXM-20 ZZXM-30 ZZXM-40
Output 3-4t/h 6t/h 8t/h 10t/h 15t/h 20t/h 30t/h 40t/h
Roller width 250mm 240mm 220mm 300mm 336mm/400mm 428mm/500mm 500mm 700mm
Roller diameter 360mm 400mm 450mm 500mm 650mm 750mm 850mm 1000mm
Power 7.5 kW 11 kW 18.5kW 22kW 37kW 55kW 90 kW 110kW
Reducer ZQ350 ZQ400 ZQ500 ZQ500 ZQ650 ZQ850 ZQ1000 ZQ1000
Pressure type Mechincal Mechincal Mechincal Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Roller material 65Mn 65Mn 65Mn 65Mn 65Mn 65Mn 65Mn 65Mn
9Cr2 9Cr2 9Cr2 9Cr2 9Cr2 9Cr2 9Cr2 9Cr2
wear-resistant alloy wear-resistant alloy wear-resistant alloy wear-resistant alloy
Roller assemble Split-clamp type Temper assembly Temper assembly
Hardness of roller 52-62 HRC 52-62 HRC 52-62 HRC 52-62 HRC 52-62 HRC 52-62 HRC 52-62 HRC 52-62 HRC
Pressure structure Four-rollers double pressure Four-rollers double pressure Four-rollers double pressure
Dimension  (mm) 1200x1150x1835 1400x1298x2125 1700x1510x2200 2000x1960x2440 2188x1972x1670 2660x2300x1750 2965x2450x1980 3065x28850x2220
Weight(kg) 2100 2300 2750 5800 7600 9000 15500 25000
  Product advantage

Four rollers double pressure

after the first pressurization, the materials between main and auxiliary rollers enter the place between two main rollers for a second pressurization, where the pressure will be twice of the type of two rollers.(the auxiliary roller pre-press the hemisphere on the amin roller to exhaust air, the hemisphere will be pressed again into briquettes fomation through two main rollers).

9Cr2 forging rollers

the roller materials adpot 9Cr2 forging steel, high precision and abrasion resisitant, the rigidity reach to 55-60HR through prempering.

Roller taper assembly techology(patent)

Roller and wheel hub of briquette machine is processed into tamper structure, which shall be compacted firmly by bolts for stability and reliance, easy to replace roller,save time and efforts for users.

GB standard hydraulic components

manufaturing by Dezhou oil pump company, using embolism type pump equipped with storage device which can be operation of protection briquette machine when the hydraulic moment fluctuation, the oil cylinder adopts compound type and be made of standard material 27SiMn, extremely good finish, wear resistance, having protective effect on seals.

National standard bearing

Using the rolling mill bearing series, each model is the double row cylindrical ball bearing, well-known brands, lagre load bearing, stable performance, guarantee period of 5 years.

Split plummer block

Unique split type design, precision machining, simply remove the bolts when the user maintenance, open housing, can be seen bearing, ease of maintenance.

National standard bearing

Using the rolling mill bearing series, each model is the double row cylindrical ball bearing, well-known brands, lagre load bearing, stable performance, guarantee period of 5 years.

Split plummer block

Unique split type design, precision machining, simply remove the bolts when the user maintenance, open housing, can be seen bearing, ease of maintenance.

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