MDU-1B is an integration system including feeding, shredding, disinfection, discharging, and exhaust dedusting systems.
Specifications:
Microwave disposal unit for medical waste Model MDU-1B
MDU-1B is an integration system including feeding, shredding, sterilization, discharging, and exhaust dedusting systems.
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60kg/h or 600l/h treatment capacity, based on an average density of medicalwaste at 0.1kg/l ~0.15kg/l.
It can service well to some large scale or medium scale hospitals, clinics, or any other healthcare centers, Customs epidemic prevention department, etc. whose medical waste quantity would be 500kg (±10%) per day (8h).
The equipment operating UI and the entire Med waste IoT monitoring system are developed by our professional software team. As so, we are able to quickly develop customised UI systems in any language.
| Equipment Model No. | MDU-1B |
| Dimensions (L*W*H) | 5,600mm*1,900mm*2,600mm |
| Overall weight | 4,000kg |
| Required space (L*W*H) | 7,000*3,500*3,000mm |
| Installed Power | 45KW (24KW steam generator included) |
| Treatment capacity | 60kg/h (medical waste density average 0.1kg/l~0.15kg/l) |
| Operation and control | PLC control, automatic process |
| Shredding system | Double-shaft shredder, automatic reverse system is configured to avoid material blockage. |
| Feeding form | Automatic lifting and charging system contained |
| Sterilization temperature | ≥95℃ |
| Sterilization duration | ≥45min |
| Sterilization effect | ≥6 log10 (99.9999%). The treatment effect test uses Bacillus subtilis var. niger spore (ATCC 9372) as biological indicator, with killing logarithm value ≥ 6.00. |
| Microwave frequency | 2450+/-50MHz |
| Microwave generator power | 1.25KW * 6unit |
| Manpower | No specialized operator / ONE |
The infectious material is temporarily held in a waste container(s) which in turn, are emptied into an pre storage hopper via a charging system which is located at the front of the MDU, The infectious waste is fed to the shredding system by a feed arm where it is shredded. The shredded material is conveyed through a microwave section and temperature holding section, respectively for sterilization, with microwave of 2450MHz (±50MHz), temperature ≥95℃, with over 45 minutes. The disinfected and unrecognizable (sharps) waste is then discharged into large waste containers (or compaction units) by the discharging screw conveyor. From there the material can be transported to a local municipal landfill for disposal or to a refuse recycling plant.
What did the Microwave Disposal Unit (MDU) do to bacterias?
Microwave sterilization is the result of microwave thermal effect and biological effect, which can make microwave energy and bacteria directly interact, rapid sterilization.
The thermal effect of microwave energy: Under certain intensity microwave field, the bacteria will be due to the absorption of polarized molecules can increase the temperature of microwave, so that the protein deformation, loss of biological activity. The thermal effect of microwave mainly plays the role of rapid temperature sterilization.
Non-thermal effects of microwave energy: High-frequency electric fields change the polarized molecular structure, resulting in the loss of vitality or death of proteins and physiologically active substances in the microbes, and the special effects of conventional physical sterilization in the sterilization
MDU series products are designed as an automatic operation system with minimal operator operations, with the following characteristics:
Microwave heating is uniform, no energy loss, high energy, strong penetration into the object, instantaneous penetration into the object, good energy-saving effect, take the model with a daily processing capacity of 5T/d as an example, installed power Only 117 kilowatts.
The temperature of action is low, and the heat loss is slow: If microwave and ordinary heating produce the same amount of Sterilization, the temperature of the object will be significantly lower than that of ordinary heating. The waste after microwave sterilization is non-toxic, without residue, and lightly damaged.
Microwave can effectively sterilize all materials on all organisms with no select. It has a broad spectrum of sterilization bacteria and can kill various microorganisms and pathogens.
Microwave sterilization requires a small working environment and small area, does not cause high temperature to the surrounding environment, and is clean and hygienic.
No acid gas and dioxins and other pollutants are produced.
The equipment has a high degree of automation, and only one person is required to operate a complete set of equipment, saving labor costs.
Low energy consumption, the whole set of equipment only needs electric drive, taking 5t per day as an example, the total installed power is only 117 kilowatts.
The medical waste treatment method is flexible. When there is medical waste to be processed at any time, the equipment can be turned off after the treatment is completed, which minimizes energy loss and personnel wages and saves treatment costs.
There are two types of microwave sterilization equipment: fixed and mobile.
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LiYing Technology |
Autoclave |
Autoclave with a shedder |
Incinerator |
|
(Microwave) |
(Hot steam) |
(Hot steam) |
(Incineration) |
|
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Continuous process |
✓ |
X |
X |
X |
|
Integral shredding |
✓ |
X |
✓ |
X |
|
Unrecognisable waste |
✓ |
X |
✓ |
✓ |
|
Volume of waste reduction |
✓ |
X |
✓ |
✓ |
|
Mass of waste reduction |
✓ |
X |
X |
✓ |
|
Installation requirements |
Low |
High |
High |
High |
|
Complexity of the installation |
Low |
Intermediate |
Intermediate |
High |
|
On-site installable |
✓ |
✓ |
✓ |
X |
|
Technology approval by countries all over the world |
High |
Intermediate |
High |
Low |
|
Level of sterelization |
High |
Intermediate |
High |
High |
|
Odours |
Low |
High |
Intermediate |
Intermediate |
|
Noise |
Low |
Intermediate |
Intermediate |
High |
|
Treatment of pathological and anatomical waste |
✓ |
X |
✓ |
✓ |
|
Cost |
||||
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ROI |
High |
Low |
Low |
Low |
|
Investment costs |
Intermediate |
Low |
Intermediate |
High |
|
Operating costs |
Low |
High |
High |
High |
|
Maintenance costs |
Low |
High |
High |
High |
|
Labour costs |
Low |
High |
High |
High |
|
Environment |
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Impacts on the environment |
Low |
Intermediate |
Intermediate |
High |
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Treated waste recyclable |
✓ |
X |
X |
X |
|
No contaminated rejection (such as water, steam) |
✓ |
X |
X |
X |
|
Security |
||||
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No risk related to pressurized vessel |
✓ |
X |
X |
X |
|
Risk for workforce/personnel health |
No risk of toxic contaminants released into the air or the treated waste |
Intermediate |
Intermediate |
High |
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