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We are leaders in the market for providing best range of VOC THERMAL OXIDIZER, CARBON FIBER OXIDATION OVEN, industrial cleaning systems, Drytech Air Drying Plant and Laboratory Ovens

VOC THERMAL OXIDIZER

Despatch’s VOC Thermal Oxidizer was designed to eliminate 99% of Volatile Organic Compounds (VOCs) from gasses exhausted during the drying step of solar cell manufacturing. The solar cell manufacturing process creates unwanted environmental pollutants which are byproducts of the drying process, and contain the non metallic ingredients found in the paste material such as ethanol, Texanol™ and terpineol. These pollutants can condense inside facility ductwork and create hazardous conditions. Destroying the VOCs using the Oxidizer eliminates the need to collect and dispose of this waste in a separate process. The exhaust exiting from the VOC Oxidizer contains only CO2 and water vapor. In industries that emit VOCs and have established pollution control technology criteria, Thermal Oxidizers satisfy Best Available Control Technology (BACT), Maximum Available Control Technology (MACT) and Lowest Achievable Emission Rate (LAER). The operation of the VOC Thermal Oxidizer is based on the principle of combustion which is the most commonly used method to control emissions of organic compounds and is used in a variety of industries. Combustion systems are simple and have very high destruction efficiency. The VOC Thermal oxidizer maintains a temperature of 760°C (1400°F) to ensure destruction of all VOCs. The oxidation process releases heat and thereby contributes to maintaining the temperature of the oxidizer Standard Features: Designed for high-speed, high-capacity solar cell manufacturing lines Eliminates VOCs as close to the point of origin as possible Electric (no need for gas or open flame, no NOx generation) Runs off of furnace power (with soft-start software) Best in class (99% or better) destruction of VOCs: Odors – 100% elimination of odor 99%+ destruction of particulate matter and VOCs (Volatile Organic Compounds) Exhaust contains only CO2 and water vapor Meets legal requirements regarding the capture or destruction of VOCs including TA Luft regulation of Germany Eliminates need for handling and disposal of waste product collected in VOC condensers Fits on top of CDF dryer - no additional footprint required Options: Edge contact belt Belt stand-offs Wafer cooling (For 60°C wafer or less -based on 508 cm/minute belt speed) Uninterruptible power supply Door switches CE compliance

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CARBON FIBER OXIDATION OVEN

CARBON FIBER OXIDATION OVEN TECHNOLOGY REINVENTING OXIDATION FOR NEXT GENERATION PERFORMANCE Despatch invented the world’s leading carbon fiber oxidation technology which has become an industry standard.  Now Despatch has reinvented the oxidation oven with revolutionary advancements to its pioneering center-to-ends technology. Oxidation is the most critical process step in the production of carbon fiber. It consumes the most energy, has the largest factory footprint, and is the largest capital investment in a carbon fiber line. Any improvement to this step will have a huge impact on the cost and quality of carbon fiber. Despatch’s next generation Split-Zone™ Oxidation Oven with Novariance™ Technology allows you to aggressively push the oxidation rate, reduce oxidation cycle time, and lower the cost of high quality oxidized fiber. Split zone control (patent-pending) provides two discrete thermal profiles for the upper and lower half of the chamber. Separate plug fans and controls allow you to increase the temperature in the upper half of the oven by several degrees, advancing the rate of oxidation of the fiber. Because each oven is now split into two zones, the number of ovens required to properly oxidize the fiber can potentially be reduced. This results in a needle-moving reduction of greater than 50% in annual cost of operation. Novariance™ Technology(patent-pending) provides extremely uniform airflow across the entire width of the tow-band and throughout the process chamber. Patent-pending orifice-plate nozzle structures eliminate the side-to-side and directional variance inherent in conventional nozzle designs. Airflow is also directed into the gap between the center supply plenums which eliminates an area of low to no airflow. Airflow into the gap of the center plenum can be directed as needed to suit the precursor material. The elimination of variance along with split-zone control allows you to push the temperature in the oven, reducing oxidation cycle time by 25% or more. Customer Tests Confirm Reduced Cycle Times - Read the White Paper The Split-Zone™ oven was designed to dramatically reduce maintenance requirements: A sophisticated Pressure Balance System minimizes fugitive emissions to the plant, maintains a stable internal process environment and minimizes energy loss from cold air ingress. Improved heat exchangers in the Split-Zone oven can drastically reduce silica oxide build-up that can affect uniformity. Any maintenance that is still required can all be done from one side of the oven with zero disturbances to the fiber.  Removable nozzles in the supply and return receivers mean you never have to enter the chamber for cleaning. The Split-Zone™ oven integrates additional energy saving features and productivity improvements: Hybrid Heating allows you to operate the oven with low cost gas with the assurance of an electrical backup. Patented adjustable end louvers automatically adjust to significantly reduce heat loss and open for fast and easy threading. Rapid cool-down and heat-up capability minimizes time to restart production. With these revolutionary design improvements, oxidation will no longer limit process perfection. With reduced variability, the Split-Zone™ Oxidation oven will deliver higher yields, reduced cycle times and significant cost savings per kilogram of material output.

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industrial cleaning systems

Unsurpassed cleaning, high-efficiency drying, low cost of ownership, ease of maintenance, and robust design all come together in Electrovert Industrial cleaning systems. The Electrovert® Aquastorm™ series precision cleaning systems are considered the industry’s best for performance, quality construction, and life cycle durability. They are designed to provide superior cleaning and drying performance, complete cleaning process flexibility and monitoring, all with unparalleled reliability. Our goal is to provide customers with a range of cleaners that will exceed their cleaning and drying expectations. The process flexibility and reliability of the Aquastorm has proven to be valuable in a variety of applications including:  parts cleaning, precision medical washing, renew/rework, pallet/fixture cleaning, debris removal, surface preparation, electronics and semiconductor, lens cleaning. Features and Benefits : Direct dynamic jet technology delivers maximum energy for unsurpassed cleaning capability. Electrovert’s mixed spray technologies can be customized for any cleaning application. The Aquastorm series cleaners are compatible for any aqueous and semi-aqueous based chemistry cleaning process. Technology based fluid delivery system in the Wash and Rinse sections Efficient chemistry containment that saves you money Efficiently removes chemistry prior to rinse Designed to minimize chemistry usage Torrid Zone drying for complete drying performance and capability Integrated forced convection bake out Combination of high impact air and heat Windows based operating system for complete process control and traceability

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Drytech Air Drying Plant

The DriTech™ Dryer introduces a unique hybrid heating technology that addresses industry challenges associated with faster belt speeds, increased paste VOC concentration and thinner wafers, while providing state-of-the-art metallization drying performance.   The dryer is designed to decouple the VOC removal and binder burn-off for a more efficient drying process. Introducing five times the dilution air as conventional furnaces and internal insulation surface temperatures reduces tool contamination. While precise airflow management and a centrally located point-of-generation thermal oxidizer eliminates hazardous waste and facility contamination. Unlike, solely convective or IR drying, which rely strictly on a belt speed and temperature relationship, DriTech’s unique hybrid heating with Smart Tube technology provides a number of heat delivery mediums to efficiently and effectively remove solvent (VOC) from the paste while safely retaining the binder. The low temperature drying capability will ensure that each step in the drying process is separated with no compensation required downstream. Cell performance and efficiency is improved for current and next generation cell architectures and materials.

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Laboratory Ovens

Maximum versatility for small laboratory spaces If you need an oven for your laboratory, you are most likely looking for a small oven with the versatility to perform simple processes such as drying glassware to complex heating applications that are controlled and recorded. When a lab oven is used for testing materials, stability and repeatability are critical to ensure the oven is not skewing the results. Despatch laboratory ovens are known for their high performance with superior uniformity and consistent results. Despatch lab ovens feature horizontal airflow which delivers uniform heating across all shelves, whereas most lab ovens utilize vertical airflow. A high-volume fan circulates air through perforated, stainless steel walls to create a constant horizontal airflow across all sections of the oven. These lab ovens provide controlled ramp rates with the capacity to rapidly bring the product up to the desired temperature for shorter cycle times   Despatch lab ovens are easy to clean with stainless steel interiors and smooth door surfaces. They feature sturdy, welded, double-wall construction, thick glass fiber insulation, and heavy-duty door gaskets. Each oven receives a thorough quality and performance test before it is shipped. Heating elements carry a five-year warranty. Advanced control of your lab oven process. Every Despatch lab oven except the LBB series feature the Protocol 3™ microprocessor-based temperature and hi-limit controller with a large LCD display. The data-logging functionality enables reporting and analyzing, and data files can be exported via the controller's USB port. You can control the oven from your computer with optional software that also records operating information, including times, temperatures, set points, alarm conditions, and lot numbers. Data is written in an editable form that can be easily saved in an Excel format. Clean process laboratory applications For lab environment processes where minimal contamination is essential, an LCC or LCD Series lab oven offers the highest standard in HEPA filtration. Re-circulated airflow is 100% HEPA filtered for operation at ISO Class 5 (Class 100) or better within the oven chamber. Typical applications for these ovens include die-bond curing and other semiconductor packaging processes, depyrogenation, sterilizing and drying for life sciences. These units are stackable to save valuable floor space and provide maximum ergonomic efficiency for operators. This oven is available with inert Atmosphere. Nitrogen (or other inert gas) is injected into the chamber to lower the oxygen level to prevent oxidation of products. A water cooling coil is provided for rapid cooling. Lab Ovens for Hazardous Areas and Flammable Solvents Special design features are required when the oven and/or controls will be located in an area classified as hazardous. This classification refers specifically to an explosion hazard from the possible ignition of dust, vapors or gas in the area external to the oven, and is not limited just to volatiles within the oven chamber. Despatch Class A lab ovens are specially designed to meet NFPA 86 requirements. They include a pressure relief panel, purge timer and exhaust fan. Laboratory ovens for material and reliability testing Despatch's RBC Burn-In Oven offers maximum flexibility for small lot qualification testing, burn-in, reliability testing, and research and development. The stackable oven allows you to run concurrent tests utilizing different temperatures or different cycle times. They are ideal for qualification testing with small lots, because a new test may be started on the second chamber while the first test is still in progress. For applications which require 100+ air exchanges each hour Despatch offers the Qmax. This lab oven was specifically designed to meet the frequent air changes and tight temperature uniformity required to meet ASTM 5423 Type I and II specifications. The oven has a temperature variation of less than 6℃ at 300℃ while maintaining 100-200 air changes per hour. This lab oven can be used for applications such as thermal evaluation of electrical insulating materials, testing, aging, curing, drying, sterilizing and other thermal applications where tight temperature uniformity is required.

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Drying Ovens

Drying ovens are used across a range of industries and research laboratories for simple applications, such as drying and sterilizing glassware, to complex processes that require controlled heating and temperature uniformity such as bonding and curing. Drying ovens generally operate from ambient heat to 538°C (1000°F.) Drying ovens may be designed for batch processing or with a conveyor for continuous processing.  Despatch Industries builds high performance drying ovens of multiple sizes, processing requirements and temperature capabilities to meet and exceed clients’ laboratory and production applications. Despatch offers options for drying ovens that include HEPA filtration, inert atmosphere and Class A clean process capabilities. All drying ovens feature programmable controls and stainless steel interiors to prevent corrosion. When selecting the right drying oven, critical factors to consider are the heat-up, soak and cool-down times required within your application. Heat-up rates A drying oven should have the capability to heat the part or material to the desired temperature within a specific time. Even if the oven’s heating capability is sufficient, there are other factors that are just as important: Thermal conductivity of the material Size and shape of the material Velocity and direction that the convected air impacts the material’s surface Soak Times Soak time is the amount of time that the material requires once it reaches the desired temperature for the desired length of time. For applications that require precise temperature controls, Despatch Industries offers drying ovens with programmable controls that do not start timing the soak cycle until a set point temperature, either within the product or within the oven chamber, has been reached. Cool-down Times Cool down is achieved when the heated air is exhausted out from the drying oven, replaced by cooler, ambient air. Programmable controls c

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HEAT TREATING OVENS AND FURNACES

Heat treating is the heating and cooling of metals and alloys to achieve a desired physical and mechanical property such as strength, hardness and resistance to fatigue or failure. Heat treating is a precise science that is made more complex by the varying properties of metal alloys. Understanding the properties of the material being heat treated is critical to achieving the desired outcome. Often times multiple heat-treating steps are necessary to produce the properties required for the final product. Benefits of Despatch ovens and furnaces for heat treating: Heat treating often requires processing at high temperatures for extended periods making energy efficiency a high priority. Despatch ovens and furnaces have thick wall insulation, heavy-duty high temperature door gaskets and air that is recirculated through the heater box and back into the chamber for greater energy efficiency. The consequence of uneven heat distribution during heat treating can be disastrous. Choosing a Despatch oven or furnace will ensure you that temperature uniformity will be well within specification. Despatch ovens feature high velocity uniflow airflow, meaning that the air moves both horizontally and vertically, offering exceptional temperature uniformity. Adjustable louvers direct heated air for a precise airflow pattern suited to specific parts. Despatch ovens are available with a gas or electric heater and are available with Class A (NFPA 86) flammable solvent handling capabilities. They are built to withstand the rigors of industrial metal manufacturing with sturdy, welded, double wall construction.   Processes performed by Despatch ovens and furnaces: Annealing  produces a uniform microstructure and softens metal to improve machinability.  (For information on annealing plastics visit our annealing page) Stress Relieving  reduces internal stresses in metal caused by cold working or non-uniform cooling. Aging , also referred to as precipitation hardening increases the hardness and strength of metal alloys. Both timing and temperature are critical during the hardening process. Uneven heating can create cracks and other defects, often starting from the corners or edges of the material. Materials that have been unevenly cooled, or soaked, can cause dark, vertical cracks that are irreparable. Tempering  is a process used to reduce the brittleness and increase the tensile strength of metal alloys after hardening.   Custom Heat Treat Furnaces PNF Inert Atmosphere Oven for Aging Beryllium Copper Despatch received an order for a PNF Inert Atmosphere Furnace for its beryllium copper aging process. A precondition of the order was that a test be performed to confirm that a uniformity of +/- 10℃ at 1000℃ could be maintained. A Despatch engineer was sent to the customer’s facility to perform a field nine-point temperature uniformity test on the Despatch furnace currently in use. The oven was programmed to ramp and soak at three different temperatures and data collected.  The furnace performed even better than expected with temperature uniformity between +/- 4.3℃ and 6.8℃ (2.4℉ and 3.8℉). The furnace is designed with adjustable recirculating air louvers that allow fine tuning to ensure uniform airflow.

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Curing Ovens

Despatch offers a selection of benchtop, cabinet, walk-in and conveyor ovens that are ideal for curing applications. Despatch curing ovens offer fast ramping and cool down rates for maximum productivity, short cycle times and consistent, reproducible curing processes for all product loads. Curing ovens are used for a variety of applications involving coatings, adhesives, rubber and thermoset plastics and composites. The electronics and semiconductor industries use Despatch clean process ovens for epoxy curing and polyimide curing. Despatch specializes in polyimide curing ovens that are designed to meet the unique process requirements for hard baking polyimide coatings in an inert atmosphere. Despatch curing ovens are designed to provide tight temperature tolerance and precise control for repeatable results and uniform airflow that ensure proper curing across an entire load. The ovens are exhausted to effectively remove the VOCs given off during curing, ensuring a safe environment. Best-in-class energy efficiency is achieved with superior insulation and cabinet design as well as recirculating airflow management. Despatch offers gas or electric batch ovens for curing small to very large loads and conveyor ovens with multiple zones for continuous processing. If your process requires a custom solution, we can work with you to create a configuration that suits your specific needs. Composite Curing Despatch offers a wide range of standard and custom ovens for composite curing.  The ovens provide uniflow airflow which delivers heated air from both sides of the chamber for uniform operating temperatures. Typical applications include curing filament-wound composites used in products such as light weight pressure vessels, and curing the composite components of wind turbine blades. Despatch is an established supplier of vacuum bag composite curing systems with numerous systems installed at many of the major aerospace manufacturers. Conveyor Oven for Curing Eyeglass Lens Coatings An optical manufacturer needed a conveyorized thermal processing oven to dry the coatings on its eyeglass lenses. Despatch designed a custom PC Series conveyor oven with HEPA filtration to meet the customer’s requirements for high-volume production while maintaining a clean internal atmosphere. The conveyor oven operates at relatively low temperatures and was designed to be compatible with the customer’s robotic loading equipment. The PC Series Conveyor Oven features superior temperature uniformity with temperatures up to 260°C (500°F). Conveyor speeds are variable and Class A models are available.

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clean room ovens

Despatch offers a variety of clean room ovens that are designed to meet the strict requirements of clean process applications. The ovens that Despatch offers are available in many different sizes and configurations to meet specific temperature and cycle requirements. All clean process ovens have stainless steel interiors and HEPA filters. HEPA filtration of the air inside the oven allows for a clean environment to cure epoxy or to dry parts. Stainless steel interior and exterior allow for easy cleaning. Despatch clean room ovens offer exceptional thermal performance that consistently produces high quality end product. Despatch clean room ovens are commonly used in the healthcare and medical device markets. Common applications include: Annealing the plastics on syringes and catheters Adhesive curing and coating curing on pacemakers Curing the coating on stents Polymerizing contact lenses Curing the coating on eye glass lenses   Clean room ovens are also used in semiconductor and electronic component manufacturing applications, including: Curing, drying, heating wafers and electronic components Epoxy and adhesive curing Die bond curing Baking of coatings Curing the coating on eye glass lenses   Custom Clean Room Ovens Custom PRC Clean Room Oven for Semiconductor Manufacturing   Despatch designed this custom clean room oven for a customer to dry their semiconductor parts in a clean room environment. The cabinet of this oven was sized and configured to maximize the amount of product dried in the oven in each batch and optimize throughput capabilities. The custom oven features a HEPA filter for Class 10 (ISO Class 4) air quality. The interior of the oven is manufactured with electro-polished 316 stainless steel.

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BENCHTOP OVENS AND LAB OVENS

High-performing and solidly built using corrosion-resistant materials and over a century of manufacturing experience,  Despatch laboratory ovens are the epitome of technological advancement and superior quality. Our ovens deliver invariable, uniform temperature for as long as the oven is in service thanks to its solid build quality and design.   Despatch oven designs have been perfected version after version to deliver higher performance on a smaller footprint with low energy consumption. Standard benchtop laboratory ovens are versatile enough to handle a range of applications, and operate with unprecedented heating accuracy, temperature uniformity, and process repeatability.   LBB Benchtop Oven Max temp: 400°F (204°C) Sizes in cu ft: 2, 7, 12, 18, 27 High limit control 304 stainless steel interior Digital controller 5 year heater warranty

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cabinet ovens

Despatch cabinet ovens and reach in ovens are designed for easy loading and unloading. These ovens offer an almost unlimited amount of application possibilities to meet any of your batch processing needs. An industrial cabinet oven or reach in oven provides an efficient footprint with a wide range of chamber sizes.   LBB Cabinet Oven Max temp: 400°F (204°C) Sizes in ft³: 12, 18, 27 High limit control 304 stainless steel interior Digital controller 5 year heater warranty

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WALK IN OVENS AND TRUCK IN OVENS

Despatch walk in and truck in ovens can accommodate a variety of specific product and process needs. These ovens are suitable for loading manually or by fork truck. Typical applications include: aging, bonding, curing, drying, baking, heat treating, annealing and stress-relieving. Despatch's design, manufacturing, quality and innovation ensure industrial ruggedness, excellent process control, and dependable operation.   TAD/TFD Walk in Oven Max temp: 650℉ (343℃) Sizes in cu ft: 52, 104, 216 TFD: Class A (NFPA 86) Fully assembled and tested Aluminized steel interior Microprocessor controlled

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Conveyor Ovens

Despatch Conveyor Ovens are designed for process versatility and reliability. They achieve superior air temperature uniformity on all interior parts due to high-volume, vertical down airflow. The continuous belt design is ideal for large quantities of similar work pieces being processed. Typical applications include pre-heating, curing, bonding, drying and heat treating. Options include Class A models specifically designed for flammable solvents and a HEPA (High Efficiency Particulate Air) filtered model for applications that require Class 1000 cleanliness. These ovens provide extremely consistent and repeatable process results.   PCC1-75 Small Conveyor Max temp: 500°F (260°C) Chamber length: 60 in. Vertical down airflow Stainless steel interior and open rod belt

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