Our dryers for all types of polymers are characterized by their high efficiency and cost-effectiveness.
Our dry air dryers dry medium to very large quantities of plastic pellets with deeply dry air to the residual moisture required for the processing.
The used dry air technology works in a closed loop system, completely independent of the ambient climate: dehumidified and heated air flows through the pellets, absorbs their moisture and gives it to a drying agent.
CKT 200 dryer for plastic pellets: Benefit oriented in every detail
From the suction box over the dew point control up to the patented ECO system control: With the CKT dryer series, we promise you easy and safe operation.
With this sophisticated technology, you have everything in hand to dry plastic pellets in larger quantities in a material-saving and efficient way.
A row of 3 CKT dryers with drying containers for more than 25 different materials.
Our dry air technology – Your advantage: Bone dry, warm air flows through the drying containers and absorbs the moisture of the pellets.
The saturated dry air flows through a desiccant container where it is dehumidified and then it flows again through the pellets.
When the desiccant is saturated, the drying air flow is diverted to a fresh container and the previous container is regenerated. Due to the constantly changing regeneration, we can guarantee you a consistent pellet drying.
Economical drying: In addition to the effective granule drying, we also offer you efficient drying solutions.
They protect your material and save energy: With the KOCH ECO control system, you protect your material against overdrying and in combination with a dew point control and frequency-controlled blowers, you can save half of the energy normally used for the drying. We would be happy to advise you!
Characteristics of our CKT series for polymer drying:
The optional touch panel control unit simplifies the monitoring of drying processes.
|Dryer||Possible dry air quantity|
|Type CKT110||110 m3/h|
|Type CKT200||200 m3/h|
|Type CKT300||300 m3/h|
|Type CKT500||500 m3/h|
|Type CKT800||800 m3/h|
|Type CKT1100||1100 m3/h|
|Type CKT1700||1700 m3/h|
|Type CKT2000||2000 m3/h|
One of a total of 6 CKT1700 type pellet dryers shortly before delivery to China.
At present, the system of 6 CKT 1700 dryers with a capacity of 10,200 m³/h supplies 10 extruders with a calculated 5,750 kg of material per hour.
With our KKT type mobile dry air dryer, you can dry hygroscopic polymers right next to your processing machine. Depending on the model, from 55 m³ to 100 m³ of dehumidified air pass through the drying container per hour and the moisture of the granulates is absorbed.
The saturated return air flows over two alternate drying agent containers where it is dehumidified again. This way, deeply dried air is produced with a dew point of about -35°C. It corresponds to a value of 0.19 g H₂O per 1 m³ of dry air.
The current KKT models are available with a newly structured control unit:
Also available upon request:
There are three suitable programs to choose from for optimum polymer drying:
As required, our complementary dryers with different drying containers are available. Large containers are mounted on a mobile rack.
|Type||KKT 55||KKT 75||KKT 100S|
|Dry air quantity||55 m3/h||75 m3/h||100 m3/h|
|Drying containers to be chosen from (in litres)||12/20/40/
|Volume of an individual container max.||150 litres||200 litres||300 litres|
|Total volume of several containers||120 litres,
Mobile KKT dry air dryer series from Koch-Technik – quiet and reliable. KKT 100S on the left, KKT55 with a container behind the unit on the right.
EKO Plastic Pellet dryer: Drying quality at the highest level
The EKO dry air dryer series is our proven dry air technology wrapped in a contemporary design and with a high level of energy efficiency.
Combined with the dew point and KOCH ECO system control as well as frequency-controlled blowers, they can save up to 50% energy during the pellet drying.
We offer the dry air dryers in the mobile variants EKO 110, EKO 200 and EKO 300 and also EKO 500 and EKO 800 stationary units with and without frequency-controlled blowers.
The standard version of the EKO system is controlled via a functional diagram, which provides information about the operating condition at any time. If a dew point and ECO control system is additionally integrated, it is recommended that the control system be changed with a touch panel control unit. In accordance with our modular principle, various drying containers can be integrated in the EKO system.
Stationary KOCH granule dryer type EKO 800: The drying containers are recessed into the floor of a mezzanine.
Characteristics of the EKO type:
KOCH dry air dryer type EKO 300 for plastic pellets with integrated material hoppers for filling the drying containers.
|Dryer||Possible dry air quantity|
|Type EKO110||110 m3/h|
|Type EKO200||200 m3/h|
|Type EKO300||300 m3/h|
|Type EKO500||500 m3/h|
|Type EKO800||800 m3/h|
Clear display of all drying cycles
All our type CKT and type EKO plastic pellet dryers are equipped with the functional diagram in the basic version. This diagram that is a simplified illustration of the drying cycle allows you to monitor the pellet drying at a glance. This is an easy-view solution.
The KOCH-TECHNIK EKO type pellet dryer in the basic version with a functional diagram
Dryer control via touch display
The control extension for the CKT and EKO dryer
We offer the touch panel control as a control extension for all dry CKT and EKO type air driers. This control system combines all basic and optional control components that can be monitored and operated via the large touch display:
Upon request, we also enable you to monitor the drying system with the app. This possibility provides priceless added value especially for drying systems on platforms (mezzanines).
KOCH dew point control
Dew point controlled plastic pellet drying saves up to 40% energy
For dry air drying without dew point control, the desiccant containers alternate in fixed cycles during dehumidification and regeneration. The flow rates and the moisture content of the material to be dried are not taken into account.
On the other hand, KOCH dry air dryers with dew point control work depending on the dew point and therefore are considerably more energy-saving. As soon as a desiccant reaches the dew point limit of -30 °C, it is switched to a fresh, regenerated desiccant container. It means that the drying process adapts to the material: when the pellets are very moist, the switching cycles are shorter and when the moisture content is low, they are correspondingly longer.
The advantage of the dew point-controlled drying is obvious: High energy savings and the always consistent quality of the final product.
Patented KOCH ECO control system
Our patented control system for material-friendly and energy saving pellet drying
Our ECO control system guarantees that hygroscopic materials such as PA, PC, LCP, POM, etc. are not overdried:
During the dry air-drying process, the material in the storage containers is dried to the “residual moisture required for the processing”. If no or little material is taken from a container, further drying may lead to overdrying and damaging the material.
The KOCH ECO control system prevents that!
If the temperatures in the upper area of the container reach a defined value, the ECO control system automatically removes such a container from the drying cycle. Once the pellets are removed or the dwell time is exceeded, the container is joined again.
Other advantageous properties:
The drying of hygroscopic polymers with compressed air is the most economical alternative for small throughputs compared to other drying systems.
The special ERD compressed air technology from FASTI KOCH ensures excellent drying results while keeping operating costs low.
The result: continuous drying performance, maximum reliability, easy handling and a small required space.
Since 2010, the FASTI brand has had its headquarter in Ispringen. The proven plastic pellet dryers get designed and more developed there.
You can take a FASTI-KOCH pellet dryer for that:
The FASTI-KOCH units are manufactured in the dryer manufacture of KOCH-TECHNIK in Germany.
FASTI KOCH – Polymer drying directly on top the processing machine
Our ERD compressed air technology is a proven process for drying plastic pellets. The ERD compressed air technology guarantees perfect drying results along with low operating costs and an almost maintenance-free drying process.
FASTI-KOCH pellet dryers are suitable for the pre-drying directly on top each injection moulding machine or extruder.
The dryers are installed on the draw-in zone of the machines and dry the plastic material directly before the processing. Thus, the pellets stay warm and dry and are not rehumidified.
FASTI KOCH ERD Xpert + – Polymer drying directly on top the processing machine
ERD compressed air technology: On the operation end, the pre-dried compressed air (6–10 bars) is released through a proportional valve. The valve is controlled proportionally according to the input pressure to reach a constant air quantity and a deep dew point. The released air is then heated to the drying temperature and flows into the lower part of the material hopper. The drying air flows upwards through the pellets and takes the moisture from them.
The ERD Xpert+ pellet dryer is ideal for small to medium throughputs of raw materials that must be processed with a constant degree of drying:
Intelligent clip-on technology: The pilot module is easy to remove. It can be attached to the processing machine if there is a lack of space.
Simple and clear control via a touch panel:
ERD Micro+: Our most compact pellet dryer with ERD compressed air technology
The ERD technology guarantees perfect drying results and very low operating costs also with our ERD Micro+.
On the operation end, the pre-dried compressed air (6–10 bars) is released to the atmospheric pressure. Dry process air with a very low dew point is generated in this manner. It is introduced into the glass drying container heated and flows through the pellets, thus removing any moisture.
The ERD Micro+ was specially developed for micro injection moulding or mini extruders:
Very simple dryer control system:
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