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|Advantages:||Mechanization And Automation.||Key Word:||CCM Continuous Casting Machine|
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CCM Continuous Casting Machine
Continuous casting machine overview
The production process of continuously casting high-temperature molten steel into a billet having a certain section shape and a certain size specification is called continuous steel casting.
The equipment required to complete this process is called a continuous casting plant. The electromechanical and hydraulic integration of the steel casting equipment, the continuous casting machine body equipment, cutting area equipment, dummy bar collection and conveying equipment constitutes the core part of the continuous steel casting equipment, which is customarily called the continuous casting machine.
Composition of continuous casting machine
Main parts: vibration table, crystallizer, tension leveler, flexible (hard) dummy bar traction, ramp, conveyor track, push steel storage, Siemens frequency conversion electronic control, pump station, etc., Reasonable design, less investment, effective , saving materials and workshop floor space, the continuous casting machine is an ideal supporting equipment for small and medium-sized steel mills.
Continuous casting direct rolling(CCDR)is a steel rolling process that pouring liquid steel into a continuous casting machine to cast a billet (called continuous casting billet), then without cooling, after holding in soaking furnace for a certain time, the CCbillet is directly rolled into hot continuous rolling machine. According to the product specifications and continuous casting direct rolling process requirements, the following production lines are prepared. The line is short-flow layout, compact layout, smooth process and low production cost!
Steel scrap - medium frequency smelting - continuous casting - rough rolling (three-roll shuttle rolling) - hydraulic cutting head - pneumatic tail cutting - continuous rolling unit - cooling - cut to length - collection and packaging - inspection - listing - storage
1. The liquid steel heated into a molten state is loaded into a steel ladle, and is lifted by a crane (bridge crane) to the top of the continuous casting machine;
2. The liquid steel in the steel ladle is injected into the continuous casting machine for continuous casting production, and the continuous casting billet is pulled out from the lower part of the continuous casting machine;
3. Using a flying shear to cut the continuous casting billet into length and sending it into the tunnel soaking furnace;
4. The continuous casting billet advances slowly in the tunnel soaking furnace to ensure that the temperature of the continuous casting billet is uniform and constant; (Note: the length of the tunnel soaking furnace is usually between 100-200 meters, or even longer to 250m)
5. The continuous casting billet exits from the other end of the tunnel soaking furnace and then enters the hot rolling machine for rolling;
6. The steel after rolling enters the water cooling section for laminar cooling;
7. The steel after laminar cooling enters the coiler for coiling;
8. The steel rolled into a roll shape is transported by the crane into the finished product warehouse for storage.
The arc continuous casting machine adopts multi-roller transmission to disperses the tension and adopts continuous straightening, so as to minimize the deformation rate between the surface and the two phases region of the billet. The tensioning frame, roller and bearing seat are all in the form of internal cooling. It is beneficial to improve the quality of the billet and prolong the service life of the equipment. The crystallizer steel tube of continuous casting machine is curved and the inner wall is treated with hard chrome to increase the service life. After the liquid steel is crusted in the crystallizer, it is regulated by one or two stages of cooling water, and is spray-cooled along the curved track. Then entering the straightening machine and cutting it into length after full solidification.
Rolling machine introduction: Rolling machine is the equipment to realize the metal rolling process. It refers to the equipment that completes the whole process of rolling production, including main equipment, auxiliary equipment, lifting transportation equipment and subsidiary equipment. However, the so-called rolling machines are often referred to only as the main equipment. The working frame is composed of roll, roll bearing, rolling machine guide, rack, rail seat, roll adjusting device, top-roll-balance arrangement device and roll changing device.
Based on the principles of practical technology, advanced process, reliable equipment and reasonable economics, we adopt domestic mature and reliable process equipment to the full to save investment and shorten the construction period.
As far as possible in the process layout and equipment selection, we can produce as many varieties and specifications as possible;
Adhere to the principle of quality first, so that product quality meets the requirements of users while complying with relevant national standards.
1. Products are strictly produced according to the requirements and standards of ISO9001 quality management system, and each product is strictly inspected before leaving the factory.
2. Our company implements the after-sales service concept of “you use equipment, I maintain”, and responds fast and timely. After receiving the feedback of quality information, we will give satisfactory answers to the users within 24 hours. For the domestic users, we will arrive at the use site within three days, and for the foreign users, we will reply through telephone, fax or mail within 10 days.
3. After the equipment is checked and accepted, the supplier leaves a technician to monitor the operation status of the equipment, and provides technical training for the relevant technical personnel of the demand side for 1-3 days.
4. The equipment has a warranty period of one year from the date of acceptance. During the warranty period, the supplier will repair it free of charge and the equipment will be paid for maintenance for life.
5. After the expiration of the warranty period, only the necessary maintenance, labor and materials costs will be charged.
6. The self-made parts purchased by the demanding side, the supplier promises that the price will not increase within 3 years.
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