WO2004109184A1 - Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets - Google Patents

Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets Download PDF

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Publication number
WO2004109184A1
WO2004109184A1 PCT/ES2003/000276 ES0300276W WO2004109184A1 WO 2004109184 A1 WO2004109184 A1 WO 2004109184A1 ES 0300276 W ES0300276 W ES 0300276W WO 2004109184 A1 WO2004109184 A1 WO 2004109184A1
Authority
WO
WIPO (PCT)
Prior art keywords
clinical waste
processor
water
gases
combustion
Prior art date
Application number
PCT/ES2003/000276
Other languages
English (en)
Spanish (es)
Inventor
Francisco Moreno Bardaji
Francisco CAMACHO JUÁREZ
Original Assignee
Francisco Moreno Bardaji
Camacho Juarez Francisco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Francisco Moreno Bardaji, Camacho Juarez Francisco filed Critical Francisco Moreno Bardaji
Priority to PCT/ES2003/000276 priority Critical patent/WO2004109184A1/fr
Priority to AU2003240851A priority patent/AU2003240851A1/en
Publication of WO2004109184A1 publication Critical patent/WO2004109184A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/40—Portable or mobile incinerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/20—Medical materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/30—Halogen; Compounds thereof
    • F23J2215/301—Dioxins; Furans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/30—Sorption devices using carbon, e.g. coke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/80—Quenching

Definitions

  • the object of the present invention is a clinical waste processor, responsible for incinerating sanitary waste by oxirection, as well as the container containing said waste, a box in which the waste is deposited prior to its introduction into the processor.
  • Sanitary waste is generated at a high level in clinics, hospitals, outpatients, consultations etc. being conformed by syringes, dressing, gauze, bandages, tubes, vials, and other products and materials necessary for medical activity. These materials are highly polluting, both for the drugs with which they have been in contact and for the organic materials from the patients or treated animals.
  • the present invention of the clinical waste processor characterizes its special configuration and design, obtaining a small incineration equipment that can be installed anywhere without the need for a special adaptation of the construction of the facilities in which they are available, where They offer safety guarantees, there being no possibility of escape of toxic gases or fires.
  • the waste container box is characterized by the materials used in its manufacture and by the construction characteristics presented by the box, facts that favor in combination with the processor the incineration of waste since they enhance the incinerator capacity of the processor .
  • the present invention is limited within the scope of small incinerator equipment, and more particularly those designed for the processing of sanitary waste, as well as within the boxes used to contain clinical waste for Joint incineration in a waste processor.
  • Sanitary waste given its high pollutant nature and sometimes dangerous, is considered special waste whose disposal along with the rest of normal waste or "solid urban waste” is prohibited, so it must be collected in specific containers, which are removed by companies authorized and specialized or public bodies, being finally incinerated in large treatment plants.
  • one of the objectives of the present invention is to overcome the above inconveniences related to the incineration of clinical waste, especially all aspects related to transport, and incineration of waste, developing for this purpose a team in charge of the processing of clinical waste, which has a small size, that does not require special structural and constructive modifications of the area where it is going to be installed and of its ventilation and fire systems, being able to be installed as one more household appliances, offering guarantees of security and operation, where the ventilation means are incorporated in the equipment itself, and that has reliable means of cooling the gases, so as to allow reaching the temperatures necessary for the incineration of said waste.
  • the other object of the invention is to overcome the above drawbacks as regards the combustion box used, in order to achieve a box that favors combustion inside the processor, raising the combustion temperature reached and achieving the oxirection of furans.
  • the clinical waste processor object of the invention basically consists of a set of small size, parallelepipedic shape perfectly isolated on its outer and inner walls. It has a combustion chamber, whose walls are covered with sheets of refractory steel with a thickness between 4 and 6 mm.
  • the inner walls of the combustion chamber are separated from the outer walls by ribs of refractory steel with thermal break, being the rest of the space filled with thermal insulating material, such as glass wool or refractory cement.
  • a cooling zone of the combustion gases In the part immediately above the combustion chamber is a cooling zone of the combustion gases, connected by a longitudinal groove.
  • a series of parallel sheets or plates are arranged that go from side to side of the processor and have openings in the ends arranged alternately or counterbalanced, so that they form a sinuous pipe between which the gases pass of combustion and by means of a series of sprayers arranged in the compartmentalized spaces the combustion gases are cooled.
  • the above gases are taken out of the cooling zone by means of an extractor connected to a chimney, which in turn is routed to a second extractor, passing said gases through a calcium hydroxide filter and activated carbon, entering the chamber again of combustion through the air inlet with which said chamber has.
  • a tank In the space immediately above the compartmentalized refrigeration zone, where the extractor and the chimney are arranged, a tank is defined, inside which water is stored, which has a supply duct from the general network. Above said tank and within said machine there is a pressure pump, in charge of sucking the water from the tank and supplying it to the sprayers through the feed line that penetrates through the ceiling in the compartmentalized cooling zone.
  • oxirection process To carry out the oxirection process, they are deposited clinical waste in a container or fuel box, which is disposed on a tray, together with an ignition tablet, introducing tray and box through the door into the combustion chamber.
  • the process starts automatically and with a delay of a preset period the gas extractors and the water pump are started, which begins to supply water to the sprayers. That is when the ignition of the tablet occurs through an automatic system. Thanks to the air flow caused by the action of the extractors, an oxygen supply is produced that produces the ignition of the waste and the container, forcing the combustion gases to describe the path through the opening in the roof of the combustion chamber through the compartmentalized refrigeration zone going to a first extractor and chimney to continue to a second extractor and filter, said gases being again entered into the combustion chamber.
  • the gases in their passage through the compartmentalized refrigeration zone, where the pressurized water sprayers are located, are subject to three actions: the oxygenation of the precursors of the polychlorodibenzodioxins (due to the reaction and process temperature) leaving them inactive and not letting them transform into dioxins. - The progressive cooling of gases up to 35 ° C in the chimney.
  • this is a box constructed from a sheet of die-cut cardboard shaped as a tray that prevents fluid loss, and with the traditional means of closing based on tabs and flaps.
  • the box once formed, has one of its smaller faces with a trepanada window, while in the upper part it has another window also trepanada of greater proportions, which when withdrawing and being the box properly loaded makes a chimney shot favoring the combustion.
  • the structure of the box has an outer layer of "kraft" cardboard, a second layer of low density polyethylene, another microchannel layer with grooves arranged vertically along the main axis of the assembly, a new layer of low density polyethylene and an inner final layer of aluminum. Thanks to the configuration of the die-cut cardboard sheet and the folds that it has, as well as the structure of the cardboard, which has layers of polyethylene, an impermeable structure with puncture resistance is achieved, suitable characteristics to serve as a container for clinical waste
  • the low density polyethylene layers apart from providing impermeability to the assembly provide a higher calorific point, substantially higher than that of the cardboard.
  • micro-channeled layers form a plurality of small chimneys through which the air flow caused by the vacuum cleaners and the incinerator air intake will flow, favoring combustion in the face of the greatest oxygen supply.
  • Figure 1 represents a partially sectioned elevation view, where the interior of the waste processor object of the invention is observed.
  • Figure 2 shows a perspective representation of the container box where clinical waste is disposed for its introduction and joint incineration in the processor, along with a detail of the box materials.
  • the assembly is basically divided into three zones, a lower or combustion chamber (4), the gas cooling zone that is compartmentalized by means of plates (lia, 11b and 11c) and the upper zone where the water tank (21) and extractor
  • the combustion chamber (4) is manufactured in refractory steel sheet (6) with a thickness of 4 mm to 6 mm, the entire internal assembly forming an equally parallelepiped assembly separated from the outer plates (2) by means of beams (7) of refractory steel with thermal break.
  • the interior space between both sets is filled with an insulating thermal material (8) such as fiberglass wool or refractory cement.
  • the combustion chamber (4) has on one of its sides a drain (3) closed by measuring the door
  • the chamber has side walls (4a) and (4b) and a ceiling (9) that has a longitudinal opening (10) along its connection with the wall (4a) of the chamber.
  • the roof is also covered by a sheet of refractory steel and has a downward inclination from the opening (10) to the wall (4b), at which point at the top of the roof it connects with a water outlet (26), which connects to the conventional domestic drain.
  • the area that is accessed through the opening (10) is the compartmentalized refrigeration zone, so named because it is where the cooling of the flue gases takes place and is divided by three plates
  • the plates (lia, 11b and 11c) are arranged with an inclination of about 3%, towards their openings (12a, 12b and 12c) respectively.
  • the upper part of the compartmentalized refrigeration zone has a roof (17) of refractory sheet in which there is an opening that constitutes a gas extraction chimney (18), by means of an electric extractor (19) (24v), 1200 rpm and with extraction capacity of 3500 1 / minute.
  • the gases extracted in the chimney (18) are routed to a second extractor (40) by previously passing the gases through a filter (41) of calcium hydroxide and activated carbon, entering the combustion chamber again through the inlet of air (25).
  • This stored water (22) constitutes a reserve for cases of interruption of the water supply of the network, in case of a process in progress.
  • the container or box (27) must be specially designed for combustion.
  • the entire electrical assembly that is to say, the pump (16) and the extractors (19) and (40) can operate at 24V ce, being connected by a transformer to the distribution network, being provided in the event of a power failure , the power supply of said equipment from an accumulator that will automatically enter in the event of a power failure.
  • the container box (27) is made from a die-cut and subsequently folded sheet that forms a parallelepipedic structure that makes its interior is configured as a tray that prevents the loss of fluids, has a window (27.1) climbed for the introduction of waste, as well as another window (27.2) arranged at the top and that Once the box has been inserted into the processor, it separates the chimney window, favoring combustion and raising the temperature reached.
  • a layer (27.6) of low density polyethylene is arranged to finally inside the box provide an aluminum layer (27.7) that acts as a refractor layer raising the combustion temperature reached inside the box (27).
  • a compressor or air injector element is associated from the outside that regulates the combustion inlet, managing to regulate the combustion values.

Abstract

L'invention concerne un dispositif de traitement de déchets cliniques constitué d'un appareil de dimension réduite parallélépipédique pouvant être facilement installé, sans nécessairement modifier les dispositifs de ventilation ou les systèmes anti-incendies, atteignant une température adaptée pour l'incinération complète de tous les déchets, et formé d'une chambre de combustion, d'une zone de réfrigération compartimentée, dans laquelle la réfrigération des gaz est garantie par un apport d'eau, et d'une zone supérieure dans laquelle se trouve un réservoir d'eau, une cheminée et un extracteur, et dans laquelle se produit un courant d'air continu à l'aide d'extracteurs, cet air étant filtré et réfrigéré, l'eau de réfrigération étant ensuite entraînée vers un système d'évacuation domestique classique. La structure du conteneur permet, par ailleurs, d'élever la température de combustion et d'obtenir l'oxydoréduction des furanes, précurseurs des dioxines.
PCT/ES2003/000276 2003-06-09 2003-06-09 Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets WO2004109184A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ES2003/000276 WO2004109184A1 (fr) 2003-06-09 2003-06-09 Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets
AU2003240851A AU2003240851A1 (en) 2003-06-09 2003-06-09 Clinical wastes processing device and box containing said wastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2003/000276 WO2004109184A1 (fr) 2003-06-09 2003-06-09 Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets

Publications (1)

Publication Number Publication Date
WO2004109184A1 true WO2004109184A1 (fr) 2004-12-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2003/000276 WO2004109184A1 (fr) 2003-06-09 2003-06-09 Dispositif de traitement de dechets cliniques et conteneur destine a recevoir lesdits dechets

Country Status (2)

Country Link
AU (1) AU2003240851A1 (fr)
WO (1) WO2004109184A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547055A (en) * 1968-09-12 1970-12-15 Hagan Ind Inc Incinerator
US4927076A (en) * 1989-01-24 1990-05-22 Hemox, Inc. Medical appliance disposal container
US5117763A (en) * 1990-08-21 1992-06-02 Gustafson Leif V Hydrating filter smokestack system
ES2050790T3 (es) * 1988-02-12 1994-06-01 Cundell Decorprint Ltd Recipiente.
US5363777A (en) * 1991-09-11 1994-11-15 Towa Corporation Waste heat treatment apparatus
US5799591A (en) * 1997-02-14 1998-09-01 Anderson; Berris M. Incinerator for medical waste

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547055A (en) * 1968-09-12 1970-12-15 Hagan Ind Inc Incinerator
ES2050790T3 (es) * 1988-02-12 1994-06-01 Cundell Decorprint Ltd Recipiente.
US4927076A (en) * 1989-01-24 1990-05-22 Hemox, Inc. Medical appliance disposal container
US5117763A (en) * 1990-08-21 1992-06-02 Gustafson Leif V Hydrating filter smokestack system
US5363777A (en) * 1991-09-11 1994-11-15 Towa Corporation Waste heat treatment apparatus
US5799591A (en) * 1997-02-14 1998-09-01 Anderson; Berris M. Incinerator for medical waste

Also Published As

Publication number Publication date
AU2003240851A1 (en) 2005-01-04

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