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coffee bean dryer

Application

A coffee bean dryer is a specialized device used for drying coffee beans. By using various heating methods, the coffee bean dryer causes physical and chemical changes in the beans at high temperatures, producing the unique flavor and aroma of coffee.

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coffee bean dryer Introduction

A coffee bean dryer is a specialized device used for drying coffee beans. By using various heating methods, the coffee bean dryer causes physical and chemical changes in the beans at high temperatures, producing the unique flavor and aroma of coffee. There are several types of coffee bean dryers, including direct-fire, semi-hot air, hot air, and fluidized bed dryers, each with its specific heating methods and characteristics.
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Features of coffee bean dryer

Heating Method

Coffee bean dryers can be categorized based on their heat sources, such as direct-fired, semi-hot air, hot air, and floating wind types. Each heating method has an impact on the roasting effect and flavor of the coffee beans.

Temperature Control

Precise temperature control is one of the key features of a coffee bean dryer, ensuring that the coffee beans are evenly heated during the roasting process to prevent over-roasting or uneven roasting.

Speed Adjustment

Some advanced dryers allow for the adjustment of the drum's speed, even enabling forward and reverse rotation, to meet different roasting needs and ensure even roasting of the beans.

Energy Efficiency

Modern coffee bean dryers focus on energy efficiency, such as using infrared heating technology, which can directly heat the coffee beans and reduce heat loss.

Automation and Intelligence

With technological advancements, many dryers are equipped with intelligent control systems that can automatically control parameters such as temperature, humidity, and wind speed, achieving automation and intelligence in the roasting process.

Environmental Protection

Some dryers use heat recovery technology to recycle waste heat and reduce energy waste, while also adopting low-noise designs to reduce noise pollution.

Ease of Operation

Many dryers are designed with user-friendly interfaces, simplifying the roasting process and making it easy for operators to control.

Adaptability

The design of dryers usually takes into account different types and sizes of coffee beans to meet different production scales and needs.

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The structure of coffee bean dryer

Roasting Chamber

This is the core part of the dryer where the coffee beans are roasted. The design and materials of the boiler can affect the uniformity and efficiency of the roasting process.

Heating System

Depending on the type of dryer, the heating system can be direct-fired, semi-hot air, hot air, or floating wind. This system is responsible for providing the heat required for roasting.

Heat Exchanger

In some dryers, a heat exchanger is used to improve energy efficiency by recycling and reusing hot air.

Fans and Air Ducts

Fans generate airflow, and air ducts guide the airflow through the boiler, helping to evenly heat the coffee beans and control the temperature and humidity during the roasting process.

Temperature Control System

This system allows operators to set and monitor the temperature during the roasting process to ensure that the coffee beans are roasted as intended.

Drum Speed Controller

Some dryers are equipped with a drum speed controller that allows for the adjustment of the rotation speed of the boiler to control the tumbling of the beans and the uniformity of the roast.

Exhaust System

Used to vent the smoke and odors produced during the roasting process, maintaining a clean and safe working environment.

Cooling System

After roasting, the coffee beans need to be cooled quickly to stop the roasting process. The cooling system typically uses cold air or water to achieve this.

Conveyor Belt

In some types of dryers, such as belt dryers, a conveyor belt is used to transport the coffee beans into and out of the roasting area.

Control System

Modern dryers are usually equipped with a control system, which can be manual or automated, for monitoring and controlling various parameters of the drying process.

Advantages of coffee bean dryer

Efficiency Improvement

Automated dryers can continuously roast coffee beans, significantly increasing production efficiency.

Uniform Roasting

By precisely controlling temperature, humidity, and drum speed, the dryer ensures even heat distribution during the roasting process, resulting in consistent roast quality.

Quality Control

The ability to precisely control the roasting process in a dryer helps maintain the quality and consistency of the coffee beans.

Energy Saving

Modern dryers are designed with energy-saving features, such as heat recovery systems, which reduce energy consumption and lower operating costs.

Flexibility

Many dryers allow for the adjustment of roasting parameters to accommodate different types and origins of coffee beans. This offers a variety of roasting options.

Labor Reduction

The automated roasting process reduces reliance on manual labor, decreasing labor costs.

Flavor Enhancement

Precise roasting control through the dryer helps to enhance the flavor of the coffee beans, meeting consumers' pursuit of high-quality coffee.

Adaptability to Different Roast Levels

Dryers can roast coffee beans to varying degrees, from light to dark, to cater to different taste preferences.

Sunflower Seed Dryer Application

The Grain dryer machine is suitable for efficiently drying all cereals, grains, beans, and seeds of all crops such as cornwheat,Lentils,Sesame,ricesoybeansorghum,Sunflower seeds,Coffee Beans,rapeseedcashewbarley, etc. It is suitable for all kinds of farms.

Working Principle

The paddy crops are input from the top of the tower through the bucket elevator. The distribution device ensures that the equipment is always in a full load state during operation.

The induced draft fan introduces hot air into the inside of the tower body. Inside, the rice crops interact with the inward-turned, bottomless V-shaped baffles. The multi-row V-shaped baffles are arranged in a staggered manner, allowing the rice crops to mix with the hot air. The water vapor generated is then discharged from the dryer exhaust system.

Sunflower Seed Dryer Technical Parameter

Model 5H-KB-15 5H-KB-20 5H-KB-35
Dryer type Batch type recirculating mixed flow drying
Capacity 15 tons per batch 20 tons per batch 35 tons per batch
Dryer Volume(m3) 25 37.25 62.5
Overall weight(kg) 5000 6000 9500
Overall Dimension(mm) 2900*4050*11500 2900*4050*12200 3500*4400*13330
Power(kw) 8.7 8.7 13.5
Bunner Type Indirect Type
Ignition method Manual Ignition
Fuel consumption (kg/h) ≤25(coal)

30-40(rice husk)

≤25(coal)

30-40(rice husk)

≤30(coal)

70-120(rice husk)

Fuel Coal, rice husk, wood chips, gas, diesel, etc
Voltage 380V, 50Hz, 3 phase (Can be customized)
Moisture Reduction per hour(%/h) Rice/wheat:0.5-0.8 Rice/wheat:0.5-1.2
Safety Equipment Temperature control, Electrical overload protection, Leakage Protection

After-sale Service

  • – HKB provides advanced grain safety storage technology to assure your grain silo 100% quality stability.
  • grain silo Quality guarantee is one year after installation and commissioning or 18 months after leaving China Port. Maturity is the first.
  • – 7 days x 24 hours service, within 24 hours reply/solve of any technical issues upon request.
  • – Routinely telephone track to remove all might be problems grain silo or issues guarantying the whole system grain silo long-lasting safety and reliability.
  • – HKB will consider all other needs like customs clearance, sea delivery, insurance, customs tax benefit plan, documentation, etc. So our respected Users feel so relaxed and easy to get the grain silo system well.
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