Since the reform and opening up, the national economy has developed rapidly, coal production has jumped to the top in the world, and the market situation has undergone great changes. The depth and breadth of coal processing are developing rapidly, and the output of slime is obviously rising. How to increase the added value of slime, the comprehensive utilization of slime has become an urgent problem to be studied. The slime drying industry that has emerged as a result has also developed rapidly. The investment in the slime dryer equipment industry has both huge economic benefits and good social benefits, which not only protects the environment from economic benefits but also responds to national energy conservation and emission reduction policies.
As an energy resource, coal is indispensable in industrial development and daily life. During the mining process, after washing, it is piled up in the open air, and some coal is washed away by water. After sedimentation, coal slime is formed, which causes the coal source. It is difficult to recycle and reuse these slime. The development and production of slime dryer is the most effective way to recover and utilize slime. With the collapse of world energy resources, burning coal as a non-renewable resource has always been valued by governments. Among them, the slimmer is coal slime. Due to its high moisture, high viscosity, high water holding capacity and low calorific value, it is difficult to realize industrial application. It has long been rejected by power users and used for civilian land sales. The main way out.
The slime drying industry is an emerging industry in recent years. The innovation and improvement of technology has enabled the industrialization and automation of the drying process of slime. Comprehensive utilization of coal is the only way for coal companies to change their single operation, and it is the hope of the coal industry to turn losses into profits. China's raw coal washing rate is about 30%, and the annual coal slime discharge exceeds 20 million tons. The utilization of this slime is very urgent. In many parts of China, if the price is calculated based on the same calorific value, the actual selling price of slime is much lower than that of raw coal. Especially in some mining areas, the sales of slime are not smooth, resulting in a large accumulation. If the slime can be dried and degraded, the production industry Briquette, instead of part of the self-use coal in the mining area, can achieve local digestion, which can save energy, improve efficiency, and reduce environmental pollution in the mining area.
The working principle of the slime dryer equipment produced by the heavy heavy work is very simple. Firstly, the wet pellets after the forming are transported by the belt conveyor to the top of the furnace, and evenly distributed by the distributing device to the full section of the top of the furnace. The pellets exchange heat with strong winds while slowly moving downward by gravity on their orbits. The water evaporated by the pellets is taken away by strong winds. The pellets are fully dried by an evaporation process of about two hours. This slime dryer has good process matching and is easy to connect and automate with other equipment in the production line. The slime dryer is easy to operate and easy to maintain. The drying furnace body has no mechanical moving parts and requires no maintenance on a daily basis. Continuous operation, high efficiency and large output.
Before the advent of the slime dryer, some people tried to process the slime, but because the adhesives of various properties did not work, the strength of the product could not be guaranteed. This requires drying to accelerate hardening, which saves time, saves space and guarantees product quality. Especially in winter production, the effect is more prominent, which is the importance of drying. For users of slime dryers, it is necessary to know how they work.
For more information on the powerful dryer equipment, please visit the website of Henan Powerful Road and Bridge Engineering Co., Ltd.:
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