High-efficient vertical-pipe activation furnace

Abstract

The invention discloses a high-efficient vertical-pipe activation furnace, relates to the field of activation furnaces, and solves the problems that the conventional vertical activation furnace is high in construction cost, large in energy consumption, high in maintenance cost and the like. According to the vertical-pipe activation furnace, a plurality of feed delivery pipes are fixed on a cover plate; steam pipes are equidistantly arranged on one side of a furnace body; airflow separating plates are arranged on one side opposite to the inner wall of the furnace body in a crossed manner; a plurality of high-temperature resistant stainless-steel vertical pipes are arranged inside the furnace body; air escape pipes are equidistantly arranged on both sides of each vertical pipe; each vertical pipe is equidistantly communicated with the steam pipes; movable blanking sealing plates are fixed at the lower ends of tremie pipes. The vertical-pipe activation furnace is simple in structure, low in construction cost, short in igniting and cease-fire period, small in energy consumption, convenient to maintain and durable.

Description

technical field [0001] The invention relates to the field of an activation furnace, in particular to a high-efficiency vertical tube activation furnace. Background technique [0002] As an adsorbent, activated carbon has a highly developed internal pore structure and a large specific surface area, and is mainly used in the fields of chemical industry, food, medicine, military and environmental protection. In the equipment for producing activated carbon, the activation furnace is one of the most critical equipment. The activation furnaces used by people are generally two types: horizontal rotary activation furnace and vertical activation furnace. As the country has higher and higher requirements for environmental protection, especially the treatment of industrial wastewater, urban sewage and thermal power flue gas by activated carbon, the demand for activated carbon is increasing, and this kind of adsorption required for environmental protection A small amount of low index a...

AI Technical Summary

Problems solved by technology

As a production vertical activation furnace, it is generally called a Sleep furnace. Because the refractory bricks in the activation zone are saddle-shaped, it is also called a saddle-type furnace. Its main disadvantages are: 1. The investment is large, and the cost of building a furnace is 2.6 million. 2. The ignition period of the new furnace is long, which takes 20 to 30 days; 3. The ceasefire period is also very long, which takes 15 days; 4. The energy consumption is large, and 150 tons of carbonized materials are needed during the ignition period; 5. Because the refractory bricks in the activation zone are special-shaped refractory bricks, the special-shaped refractory bricks are easy to deform under high temperature for a long time. The bricks are scrapped; 6. To replace the deformed special-shaped refractory bricks, the entire Sleep furnace needs to be dismantled, so the maintenance cost is very high; 7. The process of building a saddle furnace is complicated, because special-shaped refractory bricks with a stacking height of 10 meters need to be kept Higher accuracy, so it takes up to six months

The shortcomings of this activation furnace are: when the height of the outer cylinder and the inner cylinder reach 6 to 7 meters, and the high temperature of more than 800 ℃ needs to be maintained for a long time, especially the outer cylinder and the outer cylinder need to be continuously heated by the motor. Rotation, so the external heating vertical activated carbon activation furnace is very easy to cause the outer cylinder and the outer cylinder copying plate and the inner cylinder copying plate to appear due to the continuous rotation at high temperature during the activation process of the activated carbon. Deformation or fracture of the board and the inner cylinder copying board, so after the external heating vertical activated carbon activation furnace is completed and put into production, the outer cylinder, the outer cylinder copying board and the inner cylinder copying board will be deformed or broken and scrapped, resulting in activated carbon production enterprises. Huge loss of furnace investment

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