VERTISA - Medical Waste Pre-Shredding System
The toxic waste is a mass of contaminated waste which may contains syringes, needles, paper, plastics, glass, textiles, cultures pathological waste, blood products, sharps, tissues and infectious materials produced by the medical industry in clinics, hospitals, labs and research centers.
Product Details
Medical waste resulting from Health Care activity should be handled carefully and responsibly for its proper disposal. Health care facilities as well as local Government regulations must monitor and eliminate the contaminated medical waste without endangering the health of workers, public safety and our environment.
Our Solution
VERTISA has designed and developed innovative, fully enclosed, fully automated medical waste technology systems that shreds, reducing its volume and sterilizes the contaminated waste.
Before transporting the waste to public landfill sites, the waste must be sterilized and shredded. The essence of our solutions is that the contaminated waste is sterilized and shredded into very small parts inside our PROMED Medical Waste Technology.
The process starts with the contaminated waste is lifted to the upper part of the autoclave where the waste is grinded. The waste including the unwanted parts are crushed and discharged into the lower part of the autoclave. Then we apply steam pressure that increases to 3,8 bars (55 psi) as well as the temperature is increased to 138 C degrees (280 F) for 10 minutes.
The whole operation process is fully automated and the full cycle typically last 35 to 60 minutes depending on the waste being processed. The volume decreases by 60 to 80% of the original waste volume when fully treated. The final result is a crushed mass (sterilization level 6lob10) which now is harmless and safe to dispose as an ordinary municipal public waste.
The combination of Shredding, Direct Heated Steam and High Pressure ensures complete sterilization!
Reliability
The equipment may be used safely, special trained operators are not required and only 8 Hour operator training is enough. All in all the operation is fully automatic and is equipped with such safety systems that eliminates all manual operation. Several safety precautions are implemented by the PLC control unit like the autoclave maybe opened only if the temperature and pressure is normal, or the cycle cannot be started until proper closing of lid, and the waste can only be discharged after the sterilization phase is completed.
The equipment does not require special maintenance, apart from usual lubricating and the cleaning of moving parts.
Technology of Grinding
The main part of the system is the grinding unit. The experts dealing with contaminated waste are quite aware, that one of the most difficult problem is the grinding of unwanted articles, like metal screws or similar articles which are capable of ruining the grinding mechanism.
Our special solution consists of a double shaft mechanism of grinding claws, which has a PLC controlled motion, that changes rotating direction in case the shaft meets a certain amount of resistance.
The parts of the grinding machine are made of the hardest metal presently known.
Waste Pre-Shredding Process
The following stages represent how the automated systems works for processing medical waste, hospital waste, bio-hazard waste, and other industries waste...
Stage 1 >>>
Stage 1 >>>
Loading / Filling the Chamber
The fully automated waste bin elevator fills the chamber with contaminated medical waste into the upper chamber at the top of the system
Stage 2 >>>
Stage 2 >>>
Shredding
Grinding begins when the loading cover is sealed. The heavy duty shredder has a unique feature it changes rotation directions, forward and backwards. This is done automatically and periodically to avoid jamming during the grinding process.
It will grind anything including glass, surgical stainless steels instruments and plastics will not cause any type of jamming.
Stage 3 >>>
Stage 3 >>>
Heating & Sterilization
Once shredding is done, pressurized steam is applied inside the chamber the temperature rises to 138 C degrees (280 F), and the pressure inside the chamber reaches 3.8 bars (55 psi) for a period of 10 minutes. The pressurized heat comes in contact with the shredded material 8Log10 reduction of the contaminated waste
Stage 4 >>>
Stage 4 >>>
Cooling
In order to avoid any accidents while unloading the treated waste, the temperature inside the chamber is lowered to 80 C degrees by spraying cold water inside the autoclave.Cooling
Stage 5 >>>
Stage 5 >>>
Draining and Vacuum
The cooling water along with the steam condensed to water is discharged to the sanitary sewer system. The remaining steam inside the chamber is vented through a vacuum pump that is part of the PROMED system.
Stage 6 >>>
Stage 6 >>>
Unloading
Only when all phases have been completed a Safety Signal on the control panel lights up that informs the operator that is ready to unlock the bottom of the chamber allowing the treated medical waste to fall inside a container to be carried for disposal.
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