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Introduction
Drum yeast dryer is divided into single dryer and double dryer, which can be used for drying a variety of slurries, especially suitable for recycling waste yeast in breweries, and dryers of different specifications. It can meet the needs of breweries with an annual output of 50,000 to 300,000 tons. The machine is also suitable for drying treatment in food, chemical, pharmaceutical and other industries.
The drum dryer is a continuous operation device that dries the liquid phase material or ribbon material attached to the outer wall of the cylinder by means of heat conduction through a rotating cylinder. The material liquid to be dried flows into the material receiving tank of the drum dryer from the upper tank. The drying drum is driven by the transmission device, and the material is formed by the filming device to form a material film on the wall of the drum. The cylinder is heated continuously, and the moisture of the material film is vaporized by the heat transfer from the cylinder wall, and the material is scraped off by a scraper, and then conveyed to the storage tank through a screw for packaging. It has high thermal efficiency and can be operated continuously, so it is widely used in the drying of liquid materials or strip-shaped materials, and is more suitable for paste-like and viscous materials.
Working principle of roller scraper dryer
Drying process: Let the liquid or muddy material form a film on the
surface of the drum heated by steam or other heat carriers. The
drum is dried in one revolution. The product is scraped off with a
scraper, and the exposed surface of the drum comes into contact
with the raw material again. And form a film to dry.
The drum scraper dryer uses a certain method to spread the liquid
or pasty material on the drum (hollow metal cylinder) with a
0.1-1.5mm film. The drum can be heated with steam, hot water or
thermal oil. When the drum rotates once, the material can be dried
and scraped off the surface of the cylinder by a special scraper.
The drum scraper dryer generally rotates at a speed of 4 to 6 rpm.
The drying of the paste-like material is to adjust the thickness of
the material and to compact the material layer. On the side close
to the feeding device, a material compression shaft is installed to
make the material evenly spread on the drum. In order to make the
material easier to fall off when the scraper discharges the
material, before the scraping, the cold air pipe can also be used
to blow a certain amount of cold air to cool the material.
Technical parameters
size | size of cylinder(mm) | heating area(㎡) | drying capacity(kg/h) | power kw | weight |
HG-600 | 600*800 | 1.12 | 40-70 | 1.1 | 850 |
HG-700 | 700*1000 | 1.65 | 60-90 | 2.05 | 1210 |
HG-800 | 800*1200 | 2.26 | 90-130 | 3.75 | 1700 |
HG-1000 | 1000*1400 | 3.30 | 130-190 | 4.75 | 2100 |
HG-1200 | 1200*1500 | 4.24 | 160-250 | 4.75 | 2650 |
HG-1400 | 1400*1600 | 5.28 | 210-310 | 6.25 | 3220 |
HG-1600 | 1600*1800 | 6.79 | 270-400 | 6.25 | 4350 |
HG-1800 | 1800*2000 | 8.48 | 330-500 | 8.6 | 5100 |
HG-1800A | 1800*2000 | 10.6 | 420-630 | 8.6 | 6150 |
Features of drum scraper dryer
- Lower consumption and operation cost
- Capable to dry different kinds of product
- Stable operation
- Uniform dried product
- Both dryer and calciner, operation Temp. Up to 1000°C
- Heat source can be steam, electricity, coal, natural gas etc.
Pre-service:
As a good and rich experience supplier, we should offer customer
the best quality and best price of the machine. We do something as
following:
(1). introduce the suitable product to the customer in detail
(2). answer the question raised by customer carefully
(3). make the suitabe project as the customer requirement
(4). make sure the machine is suitable for the material
Sale service:
In order to fulfill the contract smoothly, establish a good
cooperative relationship, here's are several points what we must
do.
(1). ensure product with high quality and pre-commissioning before
delivery
(2). delivery on time
(3). provide full set of documents as customer’s requirements
After-sale service:
Provide considerate services to minimize customers’ worries.
(1). Assist customers to prepare for the first construction scheme.
(2). Install and debuging the drying equipment.
(3). Train the first-line operators.
(4). Exame the drying equipment.
(5). Take initiative to eliminate the troubles rapidly.
(6). Provide technical support.
(7). Establish long-term and friendly relationship with all my
customers.
Service commitment:
We provide customers 12-months warranty to make sure the machine
work well, and always keep certain inventory level of spare parts,
which means the replacements can be sent to you timely. At the same
time, we send every customer a preferential and reasonable quotation.