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Use and Introduction
Medical waste is mainly infectious waste generated by medical and health institutions (such as hospitals, sanitary and epidemic prevention units, nursing homes for the sick, medical research units, etc.), which mainly includes: clinical infectious waste in hospitals, including waste after patients’ surgery or necropsy (such as tissues, contaminated materials and instruments, etc.), as well as waste medical materials contaminated by blood or body fluids, waste medical instruments, and other wastes (such as waste dressings, waste medical gloves, waste syringes, waste infusion sets, waste blood transfusion sets, etc.); wastes generated from haemodialysis in hospitals (e.g. discarded equipment, test tubes, filters, aprons, gloves, etc.); wastes generated from clinical, teaching, research and other medical activities containing colonies and pathogenic strains of cultures and bacteriological preservation fluids, as well as infected animal carcasses; all wastes generated from infectious disease wards (e.g. excreta, waste dressings, domestic rubbish, and any other waste equipment, wastes of equipment, wastes of equipment, wastes of equipment, wastes of equipment, wastes of equipment, wastes of equipment, wastes of equipment and other wastes which have been contacted by patients) any other waste equipment and materials contacted by patients); waste sharp objects generated by hospitals, including waste needles, waste hypodermic needles, waste scalpels, waste scalpels, waste infusion sets, waste surgical saws, broken glass, etc.; sludge generated by hospital wastewater treatment; and outdated pharmaceutical and chemical wastes.
For the special characteristics of medical waste, the development of gas-controlled solid waste pyrolysis incinerator, which adopts the principle of pyrolysis gasification, waste pyrolysis, gasification in the vertical gas-controlled furnace under the condition of under-oxygen, the resulting flue gas contains CO, CH4 and other combustible components. Combustible flue gas into the second combustion chamber, and tangentially into the secondary combustion air strongly mixed, the second combustion chamber exit flue gas temperature up to 1100 ℃, flue gas to achieve complete combustion. Incineration and flue gas treatment to form a system, so that the exhaust gas safely meet the emission standards.
The advantages of gas-controlled pyrolysis incinerator:
(1) Wide adaptability to the shape and size of the waste, especially for large waste has more prominent advantages;
(2) Waste in the furnace static gasification, incineration, dust generation is small, greatly reducing the subsequent tail gas purification section of the load;
(3) The medical waste is loaded once, which greatly reduces the chance of contact between the waste and the operator, ensures the physical safety of the staff, and greatly reduces the labour intensity of the operation;
(4) high degree of automation: automatic adjustment of air volume, according to the second combustion chamber outlet flue gas temperature automatically adjust the burner combustion state, to reach the set state to start the automatic shutdown procedure;
(5) Lower cost, shorter construction period, convenient operation and smaller plant area;
(6) When the calorific value of the rubbish is above 3000 kcal, the combustion does not need additional fuel, and the temperature of the centre of the secondary chamber outlet can reach 1150℃.
This device is a high-tech system that organically combines high temperature, stable combustion, effective use of thermal energy (if necessary, consider the recovery of hot water or steam), and automation of the operating system.
Scope of application:
(1) Medical waste, clinical infection waste, etc;
(2) Industrial hazardous waste hair (chemical sludge, oil sludge, tar)
(3) Aviation waste, plastics, waste residues, organic compounds.
Waste treatment capacity:
1、Single furnace: 1.5 tonnes/day, 3 tonnes/day, 5 tonnes/day, 10 tonnes/day;
2、AB furnace: 3 tonnes/day, 5 tonnes/day, 10 tonnes/day, 15 tonnes/day, 20 tonnes/day;
3, Continuous pyrolysis furnace: 3 tonnes/day, 5 tonnes/day, 10 tonnes/day, 15 tonnes/day, 20 tonnes/day, 30 tonnes/day, 50 tonnes/day.
