Desulfurization gypsum dryer

Capacity：......

Introduction：Drying processWhen the materials enter the desulphurization gypsum dryer for drying, different materials should be selected according to different materials to.....

Product Description

Drying process

When the materials enter the desulphurization gypsum dryer for drying, different materials should be selected according to different materials to choose different drying methods. The calcination of gypsum is mainly divided into two categories: dry method and wet method. The product produced is α gypsum powder and β gypsum powder. The commonly used equipment for gypsum production is as follows: desulphurization gypsum dryer, desulphurization gypsum ball press, continuous frying pan, internal heating tubular rotary kiln, boiling furnace, air-flow calcination, Shasky grinding, Peter mill fluidization Bed calciners, etc., have different equipment selection due to different processing techniques.

Product Advantage

Product advantages

1. Chemical gypsum (desulfurized gypsum, phosphogypsum, etc.) can be directly fried into β-hemihydrate gypsum powder.

2. In terms of technology, the requirements for precise control of the frying time and temperature of the calcined gypsum powder are ensured.

3. The furnace can be shut down by pressing the fire during intermittent feeding and discharging, and the furnace can be put into normal operation after 3 minutes of restarting the furnace.

4. It is equipped with a gas stove or a boiling furnace for heating, and the waste heat of the exhaust gas can be recycled (boiling water or heating air.

Product Parameter

technical parameter

Specification model (mm)	Rotating speed (r/min)	Slope (%)	Intake air temperature (℃)	Production capacity (t/h)	weight (t)
Ф800×8000	3-8	3-5	≤700	0.8-2.0	3.5
Ф800×10000	3-8	3-5	≤700	0.8-2.5	4.5
Ф1000×10000	3-8	3-5	≤700	1.0-3.5	5.6
Ф1200×10000	3-8	3-5	≤700	1.8-5	14.5
Ф1200×12000	3-8	3-5	≤700	2-6	14.8
Ф1500×12000	2-6	3-5	≤800	3.5-9	17.8
Ф1800×12000	2-6	3-5	≤800	5-12	25
Ф2200×12000	1.5-6	3-5	≤800	6-15	33
Ф2200×18000	1.5-6	3-5	≤800	10-18	53.8
Ф2200×20000	1.5-6	3-5	≤800	12-20	56
Ф2400×20000	1.5-5	3-5	≤800	18-30	60
Ф3000×20000	1.5-5	3-5	≤800	25-35	78
Ф3000×25000	1.5-5	3-5	≤800	32-40	104.9

Working Principle

Structure principle

The working principle of the desulfurization gypsum dryer is as follows: the desulfurization gypsum enters the inner layer of the multi-layer drum from the feeding device to achieve downstream drying. The desulfurization gypsum is continuously picked up and scattered under the inner layer of the slab to achieve heat exchange. , The material moves to the other end of the inner layer and enters the middle layer for counter-current drying. The material is continuously raised in the middle layer in a two-step forward and one-step travel mode. The material in the middle layer fully absorbs the heat emitted by the inner drum. It also absorbs the heat of the middle roller, and at the same time extends the drying time, the material reaches the ideal dry state here. The material travels to the other end of the middle layer and falls into the outer layer. The material travels in the outer drum in a rectangular multi-loop manner. The material that achieves the drying effect quickly travels out of the drum under the action of hot air. The wet material that does not achieve the drying effect cannot be fast due to its own weight. As it progresses, the materials are fully dried in this rectangular copy board, thereby achieving the drying effect and completing the drying process.