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    Home > News

    What is the hydration process of lime Slaker?

    What is the hydration process of lime Slaker?

    The lime slaker has a feeding port, and the box body, power device, water spray device, mixing device, exhaust port and feed port are located at the top of one end of the horizontal chamber body, and the water spray device is located at the upper end of the box body. The mixing device is horizontally arranged in the chamber body and driven by the driving device. There is also exhaust port on the upper part of the compartment, and there are buffer zone, digestion zone and overflow area in the horizontal chamber, and each area is separated by the partition with passage. The equipment has good wear resistance, corrosion protection, good sealing property and long service life.

    The lime slaker adopts double axis stirring digestion effect, uniform feeding, no spraying, no blocking, and has multiple functions and effects such as mixing, crushing and caking and self cleaning. Its unique blade and mixing mode make lime and water mix evenly and react fully; It is a kind of crushing effect on the agglomerates produced in the reaction.

    The structure of lime slaker is composed of: rotary cylinder, tugboat device, power unit (with large and small gears), and a milk filter device, slag discharging device and spray device are set at the tail of the drum of ash chemical machine. The cylinder is divided into four areas: pre digestion area, digestion area, homogeneous area and slag milk separation area.

    Working principle of lime slaker: the rotating of drum is driven by power device, and the rotation of drum drives the rotation of pushing plate, lifting plate, damping plate, dust barrier plate, etc. to replace the digestion mode of mixing. It is composed of bin, crusher, conveyor, dust remover, bin wall vibrator, ram valve, spiral feeder, limestone ash machine, spiral classification slag extractor Horizontal belt conveyor, mixing drum, control system

    Lime slaking is the lime hydration that we often call, that is, the old saying is that the lime is hot. Adding water into the quicklime will react. Adding certain water will mature lime after a certain time. It can also be said that calcium oxide is ripened into calcium hydroxide.

    Lime slaker is in line with the market demand and environmental protection requirements, and the process of lime ripening has changed from old slaked lime to mechanical clinker lime in the old digester. The lime digester is divided into dry type and wet lime slaker. The former digits out the powder, and the latter digested the emulsion. It can be selected according to the actual needs. Dry hydrated lime is an automatic decomposition of calcium oxide in water. Hydration and external force of screw stirring propeller inside lime slaker makes the slaking reaction of calcium oxide and water evenly stirred thoroughly, and achieve good slaking effect. After the first stage hydration, it will automatically enter the second stage expansion. The second stage is separated by fully expanding, and the coarse slag is discharged automatically by the slag discharge port. Water vapor and dust are collected by pulse dust collectors. The second stage is separated by fully expanding, and the coarse slag is discharged automatically by the slag discharge port. The ash powder is sent to the elevator by the screw conveyor at the bottom of the secondary digestion, and then lifted to the powder separator for the selection of high, medium and low-end products. Wet lime digester, the main equipment of lime milk digester, consists of power unit, filter screen, drum, cylinder, gear ring and supporting wheel device. The inner part of the drum is set into four zones, namely buffer zone, digestion zone, homogenization zone and milk slag separation zone, and slag removal device is set at the tail. The method of ash mixing was replaced by rotary motion. Screen screen is set at the back of the ash machine cylinder. The quicklime block contacts with water in the cylinder for water absorption and hydration. The lime milk flows through the sieve hole and flows out from the discharge port. The over burnt lime and the raw lime that can not be digested are discharged from the slag catching device at the end of the outer cylinder.
     
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