Ammonium chloride pan dryer

Jun 19, 2024

Brief introduction of the case :The ammonium chloride disc dryer passes the heat carrier into the fixed multi-layer hollow disc, indirectly heating the wet material of ammonium chloride in contact on the metal disc by means of conduction, and under the action of mechanical stirring similar to the plow blade, the water in the moving ammonium chloride is evaporated and vaporized at the boiling point when it is in the operating state, and the moisture leaves the equipment through the moisture discharge port .Thus, a qualified ammonium chloride dry product is obtained at the bottom.

Ammonium chloride, abbreviated as ammonium chloride. It refers to the ammonium salt of hydrochloric acid, mostly a by-product of the alkali industry, ammonium chloride, referred to as ammonium chloride. Ammonium salt refers to hydrochloric acid, mostly a by-product of the alkali industry. Ammonium chloride has a high and stable fertilizer effect in rice fields, because C1 can inhibit nitrification in rice fields, and is conducive to the formation of rice stalk fiber, increase toughness, and reduce lodging and infestation of rice diseases and insects.

Ammonium chloride preparation process:
The hydrogen chloride gas is in contact with the mother liquor - the ammonium chloride mother liquor is saturated with hydrogen chloride - and the ammonia gas is neutralized - the ammonium chloride saturated solution is generated - the cooling crystallizer is cooled to 30 ~ 45 ° C - The supersaturated ammonium chloride crystal is precipitated - the crystal slurry is thickened by the thickening device - the ammonium chloride product is dried

Ammonium chloride pan dryer equipment principle:
The heat carrier is passed into a fixed multi-layer hollow disk, and the wet material of ammonium chloride in contact on the metal disk is heated indirectly by conduction, and under the action of mechanical agitation similar to the plow blade, the water in the moving ammonium chloride is continuously turned forward and vaporized at the boiling point when it is in the operating state, and the moisture leaves the equipment from the wet outlet, thereby obtaining qualified ammonium chloride dry finished products at the bottom.

Ammonium chloride pan dryer workflow:
The hydrogen chloride is continuously added to the drying disc of the first layer above the dryer by the feeder, and the rake arm with the rake blade makes the rake blade continuously turn over the hydrogen chloride. The hydrogen chloride flows through the surface of the drying pan along the exponential helix, and the hydrogen chloride on the small drying pan is transferred to the outer edge, and at the outer edge falls to the outer edge of the large drying pan below, and the hydrogen chloride moves inward on the large drying pan and falls into the next layer of small drying pan through the middle blanking port. The size of the drying tray is arranged alternately up and down, so that hydrogen chloride can flow continuously through the entire dryer. The heating medium is fed into the hollow drying disc, and the heating medium has saturated steam, hot water and thermal oil. The heating medium enters from one end of the drying disc and is exported from the other end. The dried hydrogen chloride falls to the bottom of the shell from the drying pan of the latter layer, and is then transferred to the discharge port by the rake leaf. The moisture content escapes from the hydrogen chloride and is discharged by the moisture outlet located on the top cover, and the hydrogen chloride discharged from the bottom layer can be directly packaged.

Ammonium chloride pan dryer equipment features:
1. Easy regulation and strong applicability
The drying process can be achieved by adjusting the thickness of the material layer, the spindle speed, the number of rake arms, the type and size of rake blades.
Each layer of drying disc can be separately passed into the hot medium or cold medium, heating or cooling the material, the material temperature control is accurate and easy;
The residence time of the material can be precisely adjusted;
Single material flow, no back mixing phenomenon, uniform drying, stable quality.

2. Easy to operate
The dryer is very simple to start and stop.
After the feed is stopped, the transfer dirt rake can quickly empty the material in the dryer.
Through the special large view door of the sight mirror, the equipment can be carefully cleaned and observed.

3. Low energy consumption
The material layer is very thin, the spindle speed is low, and the power required for the material transfer system is small;
Conduction heat for drying, high thermal efficiency, low energy consumption;

4. Easy installation, small footprint
The dryer is delivered as a whole, transported as a whole, only need to be hoisted into place, and installation and positioning is very easy;
Because of the drying tray layer arrangement and vertical installation, even if the drying area is large, the floor area is small;
Disc dryer is a multi-layer disc, rotary rake stirring, vertical continuous drying device, belongs to the conduction drying mainly contact dryer. The equipment is continuously improved and developed on the basis of fixed bed conduction dryer and stirring dryer such as rake type, which is suitable for occasions with good heating conditions and materials allowing longer time contact heating. It is suitable for handling very fine powders and granular materials with wide particle size distribution that can flow freely and not bond.

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Ammonium chloride pan dryer

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