Abstract: Methods and a slaker for removal of heavy grit during batchwise slaking of burnt lime in a slaker (2) for the production of lime slurry with a high degree of fineness and prolonged sedimentation time are described, where the following processing steps are carried out during the slaking process: a)—reduction of the stirring of the slaker (2) from a normal stirring speed to a lower stirring speed, b)—opening of an upper inlet valve (60) in a collector (70) mounted in the lower part (54) of the slaker (2) to lead sinking grit in the slurry batch to the collector (70), whereupon the upper inlet valve (60) is closed after a given time period, c)—increase the stirring in the slaker (2) back to the normal stirring speed, d)—after a given time period with normal stirring speed, a regulating valve (22) in the lower part (54) of the slaker (2) is opened for emptying of a batch of slurry to an external storage tank (3), and e)—when said regulating valve (22) is opened for emptying of a batch of slurry, a lower outlet va

Abstract: Method for batch wise slaking of burnt lime in a slaker, in which a lime slurry is produced with a great degree of fineness and long sedimentation time, comprising the following steps: the regulation of the slaking temperature is carried out in either of two steps—at incoming water temperatures between 0-10° C. a predetermined amount of the finished slurry is emptied out—at incoming water temperatures between 10-20° C. a predetermined amount of flushing water or diluting water is added.

Abstract: A method is described for batchwise slaking of burnt lime in a slaker, in which a lime slurry is produced with a greater degree of fineness and prolonged sedimentation time, comprising the following processing steps: emptying of finished slaked and diluted lime slurry from the slaker; automatic coupling of a control system for automatic operation after the wanted slaking temperature has been reached in the first batch; automatic regulation of the slaking temperature in the subsequent slurry batch; and automatic registering of the remaining amount of slurry in the slaker after complete dosing of lime.

Abstract: A method is described for batchwise slaking of burnt lime in a slaker, in which a lime slurry is produced with a greater degree of fineness and prolonged sedimentation time, comprising the following processing steps: emptying of finished slaked and diluted lime slurry from the slaker; automatic coupling of a control system for automatic operation after the wanted slaking temperature has been reached in the first batch; automatic regulation of the slaking temperature in the subsequent slurry batch; and automatic registering of the remaining amount of slurry in the slaker after complete dosing of lime.

Abstract: Method for batch wise slaking of burnt lime in a slaker, in which a lime slurry is produced with a great degree of fineness and long sedimentation time, comprising the following steps: the regulation of the slaking temperature is carried out in either of two steps—at incoming water temperatures between 0-10° C. a predetermined amount of the finished slurry is emptied out—at incoming water temperatures between 10-20° C. a predetermined amount of flushing water or diluting water is added.

Abstract: This disclosure relates to a method for continuously and proportional adding of lime to a water flow through in a plant, wherein a number of slakers are used for batchwise slaking of burnt lime, and wherein lime slurry with a greater degree of fineness and prolonged sedimentation time is produced. A first slaker empties completely slaked and diluted lime slurry after the weight principle proportional to the water flow through of the plant, until a predetermined mass of slurry weight is left, which is used for mixing with a next batch. A second slaker, which is ready for its emptying sequence, starts emptying completely slaked and diluted lime slurry after the weight principle proportional to the water flow through of the plant, when the first slaker has finished emptying, until a predetermined mass of slurry weight is left, which is used for mixing with a next batch.

Abstract: A method to prevent build-up of limestone in a slaker that is used for batchwise slaking of burnt lime is described, in which lime slurry is produced with a greater degree of fineness and prolonged sedimentation time, where for immediate cleansing of the slaker before next slaking, after said calibration of the load cell aggregate, a number of valves are opened for given time periods for addition of flushing water to respective nozzles, in that flushing water is supplied sequentially via each valve to associated nozzle(s), until a predetermined amount of flushing water is reached in the slaker.

Abstract: This disclosure relates to a method for continuously and proportional adding of lime to a water flow through in a plant, wherein a number of slakers are used for batchwise slaking of burnt lime, and wherein lime slurry with a greater degree of fineness and prolonged sedimentation time is produced. A first slaker empties completely slaked and diluted lime slurry after the weight principle proportional to the water flow through of the plant, until a predetermined mass of slurry weight is left, which is used for mixing with a next batch. A second slaker, which is ready for its emptying sequence, starts emptying completely slaked and diluted lime slurry after the weight principle proportional to the water flow through of the plant, when the first slaker has finished emptying, until a predetermined mass of slurry weight is left, which is used for mixing with a next batch.

Abstract: A method to prevent build-up of limestone in a slaker that is used for batchwise slaking of burnt lime is described, in which lime slurry is produced with a greater degree of fineness and prolonged sedimentation time, where for immediate cleansing of the slaker before next slaking, after said calibration of the load cell aggregate, a number of valves are opened for given time periods for addition of flushing water to respective nozzles, in that flushing water is supplied sequentially via each valve to associated nozzle(s), until a predetermined amount of flushing water is reached in the slaker.

Abstract: Improved device for slaking of lime, comprising a slaker (10) which is connected to a lime silo (24) and a conveyor (30) for supply of lime, equipped with a motor driven mixer (14) with a specially designed mixing organ. Through pipeline with exit valve the slaker is connected to a distribution tank. An improved process for slaking of lime, using the above-mentioned device and process steps comprising transfer of lime under conveyor (30) from the silo (24) for feeding in weighed quantities into the slaker (10), feeding of weighed water quantities into the slaker for treatment in intervals by means of the mixer (14) and subsequent transfer of the finished lime mixer into the distribution tank. The slaking process is automated and takes place under constant supervision, and the slaking device's regulating valves are controlled by respective, connected limit switches.