Alpha Gypsum Powder Production Line
Alpha gypsum generally includes dihydrate gypsum and anhydrous gypsum. In order to get the valuable materials, generally, we get semi-hydrated gypsum through heating the dihydrate gypsum.
Introduction of Gypsum Powder
Gypsum powder production equipment is used to process natural gypsum, phosphogypsum,desulfurized gypsum, and fluorgypsum into gypsum powder. It primarily consists of four mainsteps: crushing, calcining, grinding, and packaging. The related equipment includes crushers,calcining furnaces, grinders, screening machines, and packaging machines.
The finished gypsum powder is a commonly used material in the construction industry, widely applied in products such as dry powder putty, gypsum boards, and gypsum moldings.
In terms of the calcination process, there are mainly two options: vertical bubbling furnaces andhorizontal rotary kilns. Customers can choose the appropriate process based on the application and requirements of the finished product.
Natural gypsum generally includes dihydrate gypsum and anhydrous gypsum. In order to get the valuable materials, generally, we get semi-hydrated gypsum through heating the dihydrate gypsum. Here is the process:
The calcined semi-hydrated gypsum powder can widely be used for plasterboard,decoration board, gypsum block, stucco gypsum, and molding gypsum, etc.
Paramater of Gypsum Powder Machine
| Product Name | Gypsum Powder Production line |
| Annual capacity | 15,000 to 500,000 tons |
| Working time | 24h/day ,300day/year |
| Raw Material Gypsum Type | Natural gypsum ore |
| Gypsum powder Mesh | Within 220 meshes |
| Heating method | Hot air boiling furnace or rotary kiln |
| Application of the powder | Building material like to produce gypsum board , To make plaster of paris , to make gypsum cornice or ceiling |
| Degree of automation | Fully automatic |
| Final product specification | Gypsum powder |
| Fuel for the heating system | natural gas,coal,diesel,heavy oil,light oil etc |
| Packing method available | 1-Packing machine 1-2 mouth 2-Rotary kiln packing machine 3-Iton bag packing machine |
| Finished powder bending strength | 2.7Mpa |
| Finished powder compressive strength | 5Mpa |
Production Process
Crushing System
The crushing system can crush large ore from mine mining to an average granularity of 25 mm by one time, is an ideal version of traditional ways of two and three stage crushing. The coarse crushing system is mainly composed of storage hopper, vibrating feeder, single section crusher, elevator, and coarsebin equipment..
Grinding System
Mainly composed of de-ironing separator, electromagnetic vibration feeding machine, mill and powder collector device.
Mainly composed of de-ironing separator, electromagnetic vibration feeding machine, mill and powder collector device.
Electromagnetic vibration feeding machine characteristics：
1. Electrical control adopts controllable silicon half-wave rectifier circuit, can infinitely adjust the feeding quantity and be used for automatic control of production process, so as to realize the automatic production.
2. Without rotating parts and components, it doesn’t need the lubrication, ensuring its simple structure and easy maintenance.
3. Materials is handled in micro throwing motion, ensuring small abrasion to the chute.
4. The chute is made of alloy steel plate, so is applicable conveying high temperature, badly worn and corrosive materials, etc.
Mill characteristics：
1. The complete machine is made into vertical structure, with small footprint, strong systemic, forming an independent production system from the rough machining of raw materials to conveying, powder process and final to the packaging.
2. Unique design of intilted air channel. This design ensures that materials entering the shell will fall in the grinding chamber along the slope.
3. Arranger adopts enclosed gear box and pulleys, with stable and reliable operation.
4. Mill important parts are made of high quality castings and proximate matter, sophisticated technology, rigorous process, ensuring the durability of the whole equipment.
5. Electric system adopts centralized control, milling workshop can almost achieve unattended operation.
Calcinating System
Calcination system is the key link in the production and processing of gypsum powder, and it is also the most difficult part to master. According to this situation, we have developed a new generation of gypsum powder suitable for various application - a new type of hot air boiling furnace .
Features Of This Hot Air Boiling Furnace Technology
1. Reduce investment
2. Reduce maintenance cost
3. Gypsum powder Quality adjustable
4. The installation period is short and the area is small
5. Energy and power saving
Finished products packaging and storing system:
Composed of the elevator, impeller feeder, finished product warehouse, packing machine and other equipment.
Finished product warehouse Characteristics：
1. Having many characteristics, such as waterproof, moisture proof, easy to use, etc.;Size can be produced according to customers’ requirements.
2. Generally of drum support structure, adopting quality carbon steel. Its upper has dust removal equipment, preventing dust leakage; arch breaker is equipped underneath to prevent powder agglomeration, making the powder discharge smoothly, and is equipped with material level sensor equipment, may control warehouse material usage at any time .
Technology Advantage
Technology Advantage
1、Continuous production: adopt soft starter,tomake sure the continuousand stable production
2 Stable quality: adopt latest hot air boilingfurnace technology andcooling system, improve thequality of the product.
3、Energy-saving and stable： core technology coolingsystem and waste heatutilization system.
4、High performance equipment: adopt bag dust collector,frequency converter, Schneider Electric, PLC Mitsubishi and thenational standard cable
5、Easy to control：use computer display,PLC control.
6、Continuous production: adopt soft starter,to make sure the continuous and stable production.
7、The control is sample : use computer display, PLC control.
8、 Installation and commissioning period is short ,within 3-7 days.
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