The combined DeSpray engineering and management team have an impeccable safety record with zero accidents since the conception and implementation of the “closed loop” environment controlled recycling technology in 2001. Since then, our team has designed and managed many installations with the same or upgraded technology.
Since 2001, the collective recycling volumes through these systems are approximately 500,000,000 cans with zero incidents based on this closed environment technology.
The technology is based on a closed loop, controlled, non-oxygen atmosphere, crushing chamber. This chamber has oxygen sensing and oxygen level controls and feedback. If for any reason the oxygen within the closed “batch style” raises above safe levels, the system pauses and nitrogen is automatically introduced until the safe level is met again. Only then can the system carry on processing. By controlling and monitoring the crushing environment the risk of any fire or explosion is completely mitigated. Even if liquids and gases combine, we do not allow for an oxygen rich environment to occur, therefore eliminating the risk factor during processing. We eliminate the human error factor through programming parameters and safety features. This assurance cannot be achieved by any other aerosol recycling methods, including but not limited to shredding, individual can piercing, incineration, landfilling or manual can emptying methods.
The entire operation uses all pressures below 7 psi to ensure operation under pressure vessel parameters.
Built to the Highest Quality Standards
DeSpray’s super heavy-duty crushing chamber is manufactured by our parent company Boessenkool. Boessenkool enjoys over 115 years of manufacturing history, including gas and oil customers such as G.E., Siemens, and other world-class customers. Boessenkool is ISO 9001:2008 certified, and ASME and PED certified for welding pressure vessels.
Our electrical system designer and manufacturer is Electromach in the Netherlands. They are specialty builders of hazardous electrical and software for ATEX, NEC, CSA and U-Stamp certified. The QC controller of Electromach (sp) Christian Cameron, who is on the advisory committee for the NEC-31 and IEC.
All components specified for explosive atmospheres follow Atex, UL and CE codes. System certified by Llyods.
Designed For Operator Safety
Low oxygen sensing within the container system footprint and LEL detection within the system working area ensure safe operator oxygen levels within the system working area. VOC extraction systems at both machine openings during machine filling and brick ejection functions ensure no chance of fume inhalation.
Any breach of safe operating conditions will immediately shut down the operating system and sound the alarm beacon and siren. System can only be restarted after safe conditions are met.
Internal closed loop oxygen monitoring and controls maintain non-explosive atmosphere is maintained within the crushing chamber automatically. Automatic pressure, temperature, and weight controls and feedback are controlled by the main CPU. With DeSpray, the risk of fire or explosion is almost completely mitigated.
DeSpray has an operating DBA rating of less than 65 DBA within one meter of the machine.
Preventing Operator Interference and Error
DeSpray includes numerous redundant programming safety steps to eliminate human error, such as Auto Oxygen Sensing, Auto Pause, Auto Nitrogen Control. Operator override is not possible without management passwords. Service and manual control can only be done with proper access codes.
All doors, stairs, lifting areas cannot be entered without safety interlocks being breached which ensures the operator cannot enter controlled areas without breaking interlock switches. If a breach occurs, the system will not operate and will go into standby mode.
DeSpray’s PLC control is programmed to ensure no operator interference. There are three different levels of programming access: Operator Level, Management Level, and Maintenance Level. A management override security code ensures no operator-independent changes in operation or safety override. Any and all program changes can only be done through factory engineers via special management override codes for the program.
All safety cages, ladders, and safety rails are included with interlocking shut down controls.
Protected By Internal Monitoring Systems
Each morning or shift start goes through start up procedures including a 30 minute wait period with all vent fans running before automated processing sequence can be entered. All interlocks and safe operating conditions run through safety protocol for approximately 30 minutes to ensure safe start up conditions.
All tanks, compressors, and components have safety relief valves. All tanks have closed loop feedback with temperature, pressure, and level indicators. Closed loop feedback on all valves and components monitored by PLC.
Air exchange fan ensures proper airflow through the containerized system in order to endure a safe working atmosphere within the container itself.
The entire machine has been designed to operate below 7 psi (.5 bar) so as not to operate within pressure vessel parameters. Pressure sensors and automated valve switching set at 6 psi (.4 bar) throughout. Safety relief valves throughout are set at 7 psi (.5 bar). Rupture disc switching at 6.5 psi (.5 bar), which will redirect blow-off from any malfunction away from the machine and operator in case of any internal malfunction.
Preventing Foreign Objects & Incompatible Aerosols
Although DeSpray can recycle most types of spray cans, there are some exceptions. Should an incompatible product enter the system by mistake, DeSpray is equipped with several failsafes that protect the system and the workers operating it.
- In the event of unwanted chemicals entering the process, the DeSpray system will automatically stall and add nitrogen to bring the closed-loop system back to safe operating conditions. It will “hold “until a safe operating atmosphere exists within the closed loop system.
- In the event of a large metal object entering the process, the mechanical system will stall and the system will stop and go into “fault “mode until the jam is safely cleared.
Safety Training & Ongoing Support
As part of our installation package, workers receive 2-4 days of practical training on the safe and efficient use of the DeSpray aerosol recycling system. Additionally, DeSpray is pleased to offer factory engineering, aftermarket support, engineering assistance, and technical support for health and safety regulations. We take every measure possible to ensure the safety of your facility and the people who work there.