CBD Oil Hemp Dryer


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* Varying capacities and feed consistency will change product capacity. Louisville Dryer Company builds professional industrial hemp dryers. Our efficient hemp dryers increase crop yield and speed up production. System design, integration, and 24/7 support for bulk drying systems. From shredded biomass to whole flower dryers, our systems retain more CBD and VOCs than others.

CBD Friendly Dryers for Industrial Hemp

* Varying capacities and feed consistency will change product capacity.


The Vulcan® Drying Systems Hemp Drying System is custom-designed and manufactured to improve a customer’s individual drying needs. These drying systems consist of a correctly sized drum and a burner mounted in a concurrent configuration. Vulcan® Drying Systems Hemp Drying Systems are designed specifically to dry up to 10 tons per hour of hemp with an output moisture content between 10-12%.


Each Vulcan® Drying Systems Hemp Drying System is custom-built for each client. Systems include the following components:

  • Feed chute or conveyor
  • Rotary Dryer
  • Combustion chamber with burner
  • Secondary air blower
  • Cyclone or Baghouse
  • Induced air blower
  • Controls

Vulcan Sorting Systems Trommel Screens and Vulcan Sorting Systems Conveyors can be used for sorting and transporting Hemp.

Hemp Drying Process

Chopped hemp is fed into the rotary dryer by a feed conveyor. The dryer dries at low temperature by mounting a burner to a long combustion chamber to prevent direct contact with the burner flame. The burner flame is also cooled by a manifold of forced ambient air that passes through the combustion chamber as well. After passing through the dryer, the dried product is discharged to a transfer conveyor for further sorting, separation and processing. The vapor from the process is pulled through a large negative pressure chamber at the exit of the dryer to allow additional product drop out. Finally, the vapor is pulled through a cyclone or a baghouse to eliminate further airborne particulates.

System Process Flow

1. Feed Conveyor

The material is transported up a feed conveyor, prior to being dried in the rotary drum. Vulcan® Drying Systems offers state-of-the-art conveyors for each system manufactured in our facility.

2. Rotary Drum Dryer

The workhorse of the Vulcan® Drying Systems Hemp Dryer is the heavy-duty, low-temp, direct-heating rotary drum dryer. The low-temp dryer is extremely energy-efficient and can be configured to utilize a variety of fuels to perform the drying process. Our single-pass system is a simple, low-cost method of producing a marketable product from biomass material. Low temperature is maintained by mounting a burner to a long refractory-lined chamber. Auxiliary air is added in the chamber to keep the temperature levels low.

3. Material Discharge

On discharge, all processed material is sent to the client mandated location for re-purposing and re-sale. However, the Vulcan® Drying Systems Hemp Dryer doesn’t stop there. This system ensures that all particulate matter is removed in a safe and secure fashion.

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4. Cyclone

Processing chopped hemp is not without its dust. Fortunately, the included Vulcan® Drying Systems Cyclone removes particulate.

Process Flow Diagram

Benefits of the Vulcan® Drying Systems Hemp Drying System

Drying is an essential part of processing hemp for CBD oil extraction, but the process can take a significant amount of time and effort. Hemp biomass often has a high moisture content, even up to 85%, which has to be reduced to an acceptable level in order to extract quality CBD oil. With the proper equipment, you can dry hemp correctly and efficiently, resulting in a product ready for CBD oil extraction or other industrial or medical purposes.

The Vulcan® Drying Systems Hemp Drying System is custom-designed and manufactured to improve a customer’s individual drying needs. This system consists of a correctly sized drum and burner mounted in a concurrent configuration. Vulcan® Drying Systems Hemp Drying Systems are designed specifically to dry up to 10 tons per hour of hemp with an output moisture content between 10-12%.

About Hemp

Hemp is created through the agricultural process of growing and harvesting hemp plants. Hemp is an organic product and causes no harm to the environment or public health. However, there can be some negative impacts on the surrounding environment if pesticides or excessive water are used during the growing season.

Regulations on hemp production vary by state. All producers should check with their state prior to growing or processing hemp. The growth of hemp for marijuana is only legal in some states, while the growth of hemp for CBD oil and other products is strictly regulated at the state and federal level. See more about the USDA regulations on hemp production here.

Hemp is in high demand and can be used in a variety of products, but is especially popular for natural medical products for the treatment of anxiety, depression, seizures and even assistance with the negative effects of cancer treatments. Hemp with high CBD content has a variety of industrial and commercial issues that make it a valuable product.

A wide variety of marketable products can be made from hemp and CBD oil, including paper, rope, textiles, biodegradable plastics, health food, natural treatments and even some construction materials and fuel.

Thorough and fast drying of hemp results in a higher quality product for processing or market. Our drying systems allow growers to dry hemp much faster, resulting in a product ready for CBD oil extraction or other industrial or medical purposes.

About the Hemp Industry

Since hemp was legalized in the 2018 Farm Bill, interest in growing industrial hemp for CBD production has skyrocketed. When properly dried and processed, CBD oil can be extracted from the hemp plant for use in a variety of products. While most people associate hemp only with medicinal uses, the material can also be used in textiles, paper, construction, and even fuel.

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The U.S. Hemp industry produced approximately $820 million in revenue in 2017 and is expected to grow at least 14% by 2022, while the global hemp market is expected to reach over $10 million by 2025. This rapidly growing market offers a promising option for farmers looking for a product with constantly expanding potential.

Inquire About Our Hemp Dryer

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Hemp Dryers

Increase Crop Yield, Cut Production Time with Hemp Dryers

Cut down on the time it takes to dry your hemp harvest by accurately controlling the drying environment. The Louisville Dryer Company brings decades of agricultural experience to industrial hemp drying.

Louisville Dryers have hemp dryers with the capacity to process up to 10 tons of hemp per hour!

Cut Costs | Maximize Production | Increase Quality

Direct Heat Dryers

Dry Hemp Faster with a Direct Heat Dryer

Harvesting and drying of hemp are critical stages in CBD and THC production. There are many threats to your hemp crop including Mold, mildew and pests. These threats can lower your production, CBD quality, and ultimately your profits.

You can put the days of hanging your crops in an old dusty barn for days on end in the past. With the Louisville Dryer Direct Heat Dryer, you no longer have to worry about temperature and humidity fluctuations posing a threat to your hemp harvest. A Direct Heat Dryer from Louisville Dryer can turn days of drying into mere hours.

Direct Heat Dryers are fast and clean ways to dry your seasonal harvest. We’ve combined close to 100 years of proven industry knowledge and experience to develop the best agricultural dryers in the industry.

Our Direct Heat Dryers efficiently control the Hemp drying process and turns days of drying into hours

Dry more,
Retain yields.

The most efficient hemp drying system uses less energy, produces a greener product, and retains more CBD than other popular solutions on the market. Request a quote and discover the integrated solution that handles, shreds, dries, separates, sorts, and packages biomass – fresh off the field or wet-baled.

Step 1: Conveying

Fresh off the field or out of bales, hemp is moved from its staging area by one of several conveying methods depending on the state of the product and the facility. It then passes by magnets to remove any metal that may have been picked up in the field and is fed into the shredder . It is then conveyed once more over a weighbelt , which uses product weight and conveyance speed to control the feed rate of the entire line and precisely meter the shredded hemp into the dryer .

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Step 2: Shredding

Shredder s ensure consistent particle sizes that can be dried at consistent rates. Shredders are used instead of mills because they slice the product rather than mashing or crushing it. Crushing wet product can cause a few problems. First, particulates get in every crevice and are hard to remove, especially with cannabis’ inherent stickiness. Second, the product is compressed, reducing the surface-area-to-air ratio, and thus the efficiency of the dryer. Once out of the shredder , product is discharged and conveyed to the dryer .

Inconsistent product means wet spots. Wet spots mean mold or over-drying; product must be homogenized.

Step 2: Shredding

Step 3: Drying


Than other popular methods


With less energy


Lower cost of ownership


Retaining more CBD

With less space

Occupying smaller footprint


Backed by 24/7 service

Hemp Dryers

Fluid bed drying is a well-established method in the food processing industry and is now successfully being applied to hemp biomass. Kason’s fluid bed dryers operate by passing hemp over vibrating screens while forcing air up through it, suspending the hemp like ping-pong balls over air streams. Because it uses much less heat than tumble dryers there is significantly less product degradation, and because it exposes biomass to more air per cfm, it uses less energy than belt dryers. A fluid bed system costs significanly less to operate than other methods, takes less space, requires less up-front investment, and retains more volatiles like terpenes. Whereas tumbler and belt dryers collect keef on surfaces and lose it to the environment, fluid bed dryers capture the volatiles and either return them to each batch in real-time or collect them for use. Single and dual-stage systems are available with 1,000 and 3,500 lbs capacities respectively.

Cannabis Dryers

Marion’s Microwave dryers operate under vacuum and slowly & evenly heat cannabis while gently cycling it with specialized paddles. Because microwaves permeate all the product at once, particle size reduction is unnecessary, making this method ideal for all kinds of cannabis. The largest microwave dryers top out at 1,000 lbs/hr—making them appropriate for all cannabis plants—and have a number of benefits related to their ability to hold precise temperatures throughout the entire product with less than a degree variation in temperature. Not only does this allow decarbing of pellets, for example, but it allows terpenes to be pulled and collected based on evaporation point. This is because microwave drying allows the hemp to be held at extremely precise temperatures, within 1 °F of the desired temperature.

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