Energy-saving high-performance dry-process calcium hydroxide production line

Abstract

The invention discloses an energy-saving high-performance dry-process calcium hydroxide production line. The production line comprises a material delivery device, a digestion device, a powder selecting device, a water source supply device and a PLC control system; the material delivery device is connected with the inlet of the digestion device by use of a conveying mechanism; the digestion device is provided with at least three digesters orderly connected with one another, and the outlets and the inlets of the adjacent digesters are orderly communicated with each other; a dust remover and a heat conversion system for digesters are arranged in the water source supply device; the water outlet of the heat conversion system is communicated with the water inlet of the primary digester; the powder selecting device comprises a powder selector and a dust remover for the powder selector; the feeding hole of the powder selector is communicated with the discharge hole of the digestion device via a conveying mechanism; the discharge hole of the powder selector is divided into a powder outlet and a slag outlet; the air outlet of the powder selector is connected with the air inlet of the dust remover for the powder selector; the discharge hole of the dust remover for the powder selector is communicated with a finished product output mechanism. According to the energy-saving high-performance dry-process calcium hydroxide production line, the purity of the finished product is improved, environmental pollution caused by accidental leakage during production can be prevented, the energy is saved, the emission is reduced, the automation degree is high and no production personnel is needed; in short, the production line conforms to the national environmental protection policy intention.

Description

technical field [0001] The invention relates to the field of calcium hydroxide production, in particular to an energy-saving and high-efficiency dry-process calcium hydroxide production line. Background technique [0002] All calcium hydroxide equipment currently used has the following defects: 1) Traditional method: add water directly to the calcium hydroxide block in the open air, complete the digestion reaction, and sell it directly; existing problems: great environmental pollution, dust damage to workers, all The water content of the calcium hydroxide produced cannot be guaranteed, the fineness of the finished product cannot be guaranteed, the calcium content of the finished product cannot be guaranteed, the production cycle is long, and the labor is much (this method has basically been eliminated). 2) "Ash calcium machine" method: add water to react calcium oxide, add it to the ash calcium machine for grinding, and the finished product is the finished product, and the s...

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Problems solved by technology

[0003] The purpose of the present invention is to provide an energy-saving and high-efficiency dry-process calcium hydroxide production line for the problems of low production capacity, low calcium content of finished products, and environmental pollution in existing calcium hydroxide production equipment. The production line has centralized control and high degree of automation , No need for production personnel, high purity of finished products, low energy consumption and emissions, in line with national environmental protection policies

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