Sponge iron production line
Brief Introduction of Direct Reduction Iron (DRI) Process
The reducing agent and heating source are anthracite, iron powder
with 67% Fe is the raw material. The iron powder and binder are
mixed in a certain proportion, and then conveyed to the forced
mixer through a belt conveyor. After forced mixing, the mixed
material enters the storage bin, enters into the rotary dryer
through the quantitative feeder, the mixture will be dried and
heated, and will be discharged When the temperature of the mixture
reaches to 350℃ in the dryer, the dried material enters the disc
granulator for pelletizing, the iron powder ball after the
pelletization directly enters the chain-comb machine for heating
and sintering. The balls are sealed into the rotary kiln for
oxidation and calcination, the high-temperature metal balls will
enter the vertical cooler for cooling. The cooled pellets and the
reducing agent anthracite enter the next large-scale rotary kiln
for reduction and calcination, and the full reduction reaction is
carried out in the 80-meter rotary kiln. The reduced materials
enter the rotary cooler for cooling, the cooled materials enter the
cold Press machine to get pressed.
The rotary kiln discharges high-temperature exhaust gas and
directly enters the sintering section of the chain-comb machine to
heat and sinter the iron powder balls. The high-temperature exhaust
gas is drawn from the lower duct of the chain-comb machine by a
regenerative fan. The hot air discharged from the heating section
of the comb machine (400℃) directly enters the dryer to dry the
mixed raw materials. The exhaust air discharged from the dryer is
less than 200℃. After the dust is removed by the dust collector, it
is desulfurized by the main exhaust fan Tower, exhaust gas is
discharged into the atmosphere through the chimney after
desulfurization.
Features of Rotary Kiln
Rotary kiln has simply structure, easy operation in producing, less
wearing parts, high efficiency,it's used in the cement plant to
calcine high grade cement, at the same time can be used in
metallurgy,chemical,constructure ect. rotary kiln features in
strong structure, stable operation, high-quality products from the
kiln, and we can offers advanced efficient shaft preheater,
five-grade cyclone preheater.
| category | model | Cylinder diameter
(mm) | cylinder length
(mm) | inclination
(%) | capacity
(t/h) | rotate speed
(rpm) | power
(kw) | weight
(t) |
Straight
rotary
kiln | YZ1225 | 1200 | 2500 | | 3 | | 22 | 34 |
| YZ1632 | 1600 | 3200 | | 3.5 | | 15 | 46.82 |
| YZ1828 | 1800 | 2800 | | 4 | | 30 | 59.39 |
| YZ1845 | 1800 | 4500 | | 4.5 | | 30 | 80 |
| YZ1636 | 1600 | 36000 | 4 | 1.2～1.9 | 0.26～2.61 | 22 | 51.023 |
| YZ1939 | 1900 | 39000 | 4 | 1.6～3.4 | 0.31～2.82 | 37 | 70.704 |
| YZ2044 | 2000 | 44000 | 3.5 | 2.4～4 | 0.22～2.26 | 37 | 97.135 |
| YZ2245 | 2200 | 4500 | 3.5 | 3.2～5.3 | 0.23～2.25 | 45 | 125.462 |
| YZ2550 | 2500 | 50000 | 3.5 | 6.2～7.4 | 0.68～1.45 | 55 | 179.606 |
| YZ2555 | 2500 | 55000 | 3 | 7.3～9.8 | 0.79～2.38 | 55 | 191.203 |
| YZ2820 | 2800 | 20000 | 4 | 15～18 | 0.8～1.45 | 75 | 186.373 |
| YZ3028 | 3000 | 28000 | 4 | 18～23 | 0.8～1.45 | 75 | 180.737 |
| YZ3060 | 3000 | 60000 | 3.5 | 16～20 | 0.49～2.41 | 90 | 272.510 |
| YZ3226 | 3200 | 26000 | 4 | 22～27 | 0.8～1.45 | 90 | 185.107 |
| YZ3255 | 3200 | 55000 | 3.5 | 17～23 | 0.1～1.52 | 75 | 271.673 |
| YZ3529 | 3500 | 29000 | 4 | 28～40 | 0.16～1.38 | 110 | 238.031 |
| YZ3560 | 3500 | 60000 | 3.5 | 28～40 | 0.65～2.25 | 125 | 347.872 |
| YZ4030 | 4000 | 30000 | 4 | 52～70 | 0.38～3.52 | 160 | 415.103 |
| YZ4060 | 4000 | 60000 | 3.5 | 55`78 | 0.38～3.52 | 315 | 514.223 |
| YZ4262 | 4200 | 62000 | 3.5 | 80～105 | 0.38～3.52 | 315 | 541.615 |
| YZ4565 | 4500 | 65000 | 3.5 | 110～140 | 0.38～3.52 | 420 | 609.526 |
| YZ4772 | 4700 | 72000 | 3.5 | 150～190 | 0.38～3.52 | 550 | 795.325 |
Diameter
changes
rotary
kiln | YB1626 | 1600/1400 | 26000 | 4 | 0.7～1.1 | 0.41～3.85 | 18.5 | 38.621 |
| YB1939 | 1900/1600 | 39000 | 4 | 2.2～2.7 | 0.27～2.58 | 22 | 60.841 |
| YB2245 | 2200/2000 | 45000 | 3.5 | 2.5～3.5 | 0.25～2.28 | 30 | 88632 |
| YB2545 | 2500/2200 | 45000 | 3.5 | 4.5～6.2 | 0.25～2.18 | 45 | 102.367 |
| YB2845 | 2800/2500 | 45000 | 3.5 | 7.5～10 | 0.68～1.45 | 55 | 192.622 |
| YB3560 | 3500/3000 | 60000 | 3.5 | 23`32 | 0.65～2.28 | 125 | 310.263 |
Product Details
Our products have the following six major features,so that we can
lead other manufacturers at home and abroad
other product:
Magnesium oxide rotary kiln
Lime rotary kiln
Cement rotary kiln
Chemical rotary kiln
Company Information
Henan Zhongke Engineering & Technology Co., Ltd. is specialized in
large and medium-sized series of mining machinery, metallurgical
machinery, building materials equipments, cement equipment and
rotary kiln. R&D, production and marketing into a joint-stock
enterprise, our company is headquartered in Zhengzhou Country’s
High-tech Industrial Development Zone, which consists of three
branches, a research and development department.
Since the establishment of our company, always adopt advanced
modern management system, and focused on innovation, has brought
together a number of scientific and technological elite, our
company develop very fast we have over 500 employees, 29 senior
engineers and more than 100 middling technicians. We have a good
long-term cooperation with domestic scientific research units, have
introduced advanced technology and testing system at home and
abroad.
Our company pays more attention to basic managements, we constantly
improve and perfect the quality management system to ensure to
provide high-quality products, work site achieve fixation
management, logistic achieve ABC management; our office achieve
computer automatization; production technology adopt computer
management; product development process design using CAD,CAPP, PROE
technology. We have completed ISO9001-2000 quality certification.
Our company constantly insist on the development of new products
and development investment funds for technological renovation to
meet with different requirements from different countries. Our
products are very popular in Africa, South America and Southeast
Asia.
Installation Site
Packaging & Shipping
Packaging Details:We will make different packaging according to
different machine sizes .standard international export packing,
container, wooden box
Delivery Time:We will customize according to the actual needs of
customers. Senior designers start to design the plan. After
receiving the deposit, we will complete the delivery within 20 to
30 working days.
Our factory is capable of shipping large machine even more than 100
tons
FAQ
Q1: How long is the warranty of the rotary kiln?
A1: Our warranty period is one year generally.
Q2: How long shall we replace the refractory brick?
A2:Usually 6-12 months(Depends on the time and temperature.)
Q3: Can l visit your factory?
A3:Yes. We warmly welcome you to visit our factory.We will take you
to our customer site to have a real look.We will arrange a car to
pick you up at the Xinzheng International Airport.
Q4: Do you provide equipment operation training?
A4:Yes.We can send professional engineers to the working site for
installation, adjustment, and operation training. All of our
engineers have passports.
Q5: Do you provide whole rotary kiln flow chart?
A5:Yes. Our experienced engineers are specialized in designing
process flow for various project, such as cement production line,
quick lime production line,magnesium production line etc.
Q6: Can you test our samples?
A6:Yes.You can send your samples to us for test and analysis.
Q7:How about price?
A7.Yes, we are factory and are able to give you the lowest price
than market one and we have a policy that “for saving time and
absolutely honest business attitude, we quote as low as possible
for any customer, and discount can be given according to
quantity.contact us.
