Large-scale
The proportion of large-scale ship-loading equipment is increasing. At present, the productivity of the world's largest ore ship-loader is as high as 20,000t/h, and it is suitable for the overhang of 320,000-ton ship. At present, the maximum production rate of existing equipment in my country is 6000t/h, which is suitable for the outreach of 100,000 tons of ship type, but Qinhuangdao Coal Phase V has proposed a ship loader with a production rate of 8000t/h, suitable for 150,000 tons of ship type.
Environmental protection
Environmental protection is a prerequisite for development. The development and application of effective methods such as mechanical seals , water mist pressure dust, airflow guidance or blocking, and the establishment of an independently operating dust-proof collection system have become one of the research topics in the design of modern ship loaders. For example, the popular application of tubular belt conveyor , fully enclosed structure, and dust-proof chute has greatly improved the dust-proof effect. In order to meet the increasingly stringent environmental protection requirements and pursue harmony with the environment, the dust-proof and anti-corrosion protection of equipment has been continuously strengthened . , low noise, pollution-free and other aspects of technology development efforts.
Specialization
The different materials to be transported (such as coal, ore , cement, grain, fertilizer, etc.) make the design of shipping equipment more and more specialized, such as explosion-proof, anti-corrosion, dust-proof, and pollution-proof design requirements, and the design standards are also becoming more and more perfect. Foreign companies choose fixed rotary, mobile rotary and mobile non- rotary models according to actual working conditions such as materials, docks, and ship types , and propose the best overall plan. The models used in our country are limited to mobile rotary type and mobile non-rotary type.
Automation
Due to the different characteristics of the goods loaded and unloaded at the dry bulk terminal, and there are many types of ships, coupled with the impact of bulk dust, the operating environment is relatively harsh, and there are strict requirements for testing equipment and technology. Therefore, the current bulk cargo The degree of automation of the ship system is low, and it basically relies on manual on-site operations. On the one hand, the use of on-site manual operation will endanger the physical and mental health of the on-site staff due to the harsh working conditions of the bulk cargo terminal (high temperature, high dust, high noise, etc.); It is easy to cause fatigue of workers and cause accidents during shipment. In addition, due to manual loading, the operation process will be irregular and unscientific. For example, in order to avoid collisions, the chute is suspended above the cabin, causing dust to fly and cargo loss. Since berths are a scarce resource at the terminal, the loading process at the bulk cargo terminal has become one of the bottlenecks restricting the logistics of bulk cargo, and there is an urgent need for an automated shipping system. Therefore, one of the biggest development trends for future shipping machines is that the degree of automation will become more and more high.
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