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Spray Drying Equipment

Spray Drying Equipment

Spray drying equipment Introduction Pressure Type Spray drying equipment is a device that can function drying and granulating together. The spraying pressure, spraying fl­ow, and the size of spray nozzle of the liquid material ­pump can be adjusted according to the requirements and the specific...

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Spray drying equipment Introduction

Pressure Type Spray drying equipment is a device that can function drying and granulating together. The spraying pressure, spraying fl­ow, and the size of spray nozzle of the liquid material ­pump can be adjusted according to the requirements and the specific size of granule balls can be achieved.

 

Features of Spray drying equipment

1. Rapid drying speed. The surface area of the material will be enlarged greatly when liquid raw material is atomized and 95% - 98% of water can be evaporated instantly in the hot airflow. The drying time only need to take several seconds. This dryer is especially suitable for heating sensitive material.

2. The finished product is ball granule with uniform size. Its fluidity and solubility are good. The quality and purity of the product is very high.

3. Depend on the characteristics of raw material, the dryer can use hot air to dry or use cool air to granulate.

4. Simple and stable operation. The control system is convenient which is easy to realize automatic operation.


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Working Principle

The liquid or paste raw material is sprayed into small liquid drop by pressed sprayer draw assistance from pressure of diaphram pump, and quickly drying through amply heat exchange (10-90sec.). Most of the powder granules are collected from outlet of discharge at the bottom of the dryer. The wasted air and fine powder are separated by the cyclone, the wasted air is exhaust from draft fan, and fine powder is collected at the bottom of cyclone. There is a second grade duster equipped at the outlet; therefore, the recovery rate of the finished powder granule can be 96% to 98%.

 

Application

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Product Advantages

1.Product quality and properties can be effectively controlled and maintained through the entire drying operation.

2.Thermolabile products/pharmaceutical can be dried at atmospheric pressure and low temperature.

3.Spray dryer permits high- tonnage production in continuous operation adaptable to conventional PLC control (Programmable Logic Controller) and it is relatively simple to operate.

4.Feed stock in solution, slurry, emulsion, paste and melt form can be dried if pumpable.

5.Corrosion problem is minimal and the selection of materials of construction of spray dryer is simplified since the dried material comes in contact with the equipment surfaces in an anhydrous condition.

6.Spray dryer produces dry powder particle of controllable particle size, shape, form, moisture content and other specific properties irrespective of dryer capacity and heat sensitivity.

7.Spray dryer handles a wide range of production rate and provides extensive flexibility in its design.

8.It is an energy intensive equipment because specific heat of evaporation can be supplied in a short time. The temperature difference across the drying chamber is relatively small and An appreciable amount of heat is lost with exhaust air.


Our Service

Design and production

We solicit buyers opinions widely at the design and production stage of equipment; especially at the stage of plan and elevation arrangement, we give full consideration to buyers’ site conditions and public engineering conditions, and pay concurrent attention to the optimum combination when assuring the quality of equipment.

Installation and commissioning

After the equipment is delivered to buyers factory, we will dispatch full-time technical personnel to instruct buyers’ installation and to take charge of commissioning until normal use of the equipment.

Training

Before buyers use our equipment normally, our commissioning personnel will organize buyers’ relevant personnel to accept training, which covers the maintenance and care of equipment, timely repair of common faults, and procedures for operation of equipment.

Warranty

We provide one-year warranty for our equipment. For damage of equipment arising from non-artificial factors within the warranty period, we will provide repair service for free; and for damage of equipment arising from artificial factors, we will provide repair service in time and collect corresponding cost.

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