LT6325B - Method of desinfection of ventilation and air conditioning systems, fume hold and garbige disposers - Google Patents

Abstract

Method of disinfection of ventilation ventilation and air conditioning systems, fume hold and garbage disposers comprising ventilation ducts, air conditioning systems ducts, fume hold and waste disposal pipe cleaning, preparation of biocidal disinfectant liquid and disinfection by spraying method used cold aerosol generation principle. For disinfection of ventilation ducts and garbage disposer’s pipes using biocide F 210 HYGISEPT, for air conditioning systems and ventilation ducts fume hood ducts - biocide Sanosil Super 25 Ag. The ventilation system ducts and air-conditioning duct system uses cold disinfecting spray or cold fog nozzles and low pressure fog generator. Domestic waste disposal pipes disinfection uses rotating vortex fine spray of compressed air nozzles.

Description

BACKGROUND OF THE INVENTION The invention relates to methods for cleaning the interior surfaces of hollow products and can be used in all types of buildings - apartment buildings, offices and hotels, shopping centers, airports, event and exhibition arenas, sports complexes and hospitals, laboratories and many industrial facilities and manufacturing plants.

Methods known in the art for cleaning or cleaning and disinfecting ventilation ducts and domestic waste pipes (shafts) used in multi-purpose buildings, and implementations thereof, are described, for example, in VVO9419118 (A1), FR2278412 (A1), FR2602986 (A2), FR2616689 ( A1), AU5864798 (A), FI981347 (A), DE19509422 (A1), DE4426708 (A1) or HU227554 (B1). Detergent compositions that may be used to clean and disinfect duct ventilation systems in ventilation and air conditioning systems and the like are described in FR2636961 (A1).

Known method for cleaning, disinfecting and biological treatment of debris and ventilation ducts (LT 5359 B) using disinfectant F 262 IPASEPT (Kiilto Clean, Finland), classified as type 3 and 4 (veterinary biocide and food disinfectant) ), which at this time cannot be used as it currently does. According to 2012 May 22 Regulation (EU) No 182/2011 of the European Parliament and of the Council 528/2012 concerning the placing on the market and use of biocidal products), only type 2 biocidal products may be used in public and residential facilities. Disinfectant F 262 IPASEPTT is slowly biodegradable and may cause damage to humans and animals.

Patent LT 5745 B discloses a method for cleaning, disinfecting and biological treating ventilation ducts, wherein the inner surface of the ducts is treated with a disinfectant F 70 HERO (Kiilto Clean, Finland) consisting of 3-10% acidic material containing 33-35 active ingredients after the cleaning operation. % phosphoric acid and 45% nonionic surfactant. This disinfectant is also classified as type 3 and 4 disinfectant, which cannot be used either and has therefore been stopped.

Patent LT 5870 B discloses a method of cleaning, disinfecting and biological treatment of ventilation ducts, domestic waste pipes (shafts), which may be adapted to disinfect ventilation and / or air conditioning systems, fume hoods and / or debris removers since it includes ventilation ducts or cleaning of the inner surface of the ducts, preparation of an alkaline disinfectant and disinfection of the reinforced hose with a nozzle. However, this alkaline disinfectant was not authorized as it also does not comply with the provisions of Regulation (EU) No 182/2011. 528/2012 requirements. In addition, the disinfectant method according to patent LT 5870, as in the said patents LT 5359 and LT 5745, does not ensure work safety requirements due to possible overflow of disinfectant in ventilation ducts, ducts or trash removers, when unevenly applied formulations and leaks occur. This poses a risk to human and animal health.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of disinfecting ventilation and / or air conditioning systems, fume hoods and / or debris removers using a disinfectant that satisfies safety requirements and is evenly applied to the surface to be disinfected and prevented from leaking.

The object of the invention is to provide a method of disinfecting ventilation and / or air conditioning systems, fume hoods and / or debris removers comprising cleaning the ventilation ducts of the ventilation system, conditioning ducts and shafts, preparing and disinfecting a biocidal disinfectant solution. spray, ventilation ducts and debris removal pipes use the F 210 HYGISEPT biocide. It is a type 2 biocide, developed in cooperation with Kyuto Clean, Finland, and has received an approval that it is intended for ventilation ducts and trash removers in apartment buildings. The Hygisept biocide is rapidly biodegradable, non-volatile and non-volatile. Hygisept flush is not required after the ventilation ducts have been treated.

Biocide F 210 HYGISEPT (Kiilto Clean, Finland): 30-50% sodium peroxomonosulfate; sulfamic acid - 5-5 percent; sodium dodecylbenzenesulfonate 1-5%

Conditioning systems in ducts and fume hoods use the SANOSIL SUPER 25 Ag biocide. Such use is supported by the authorization of this biocidal product, which provides for its use as a disinfectant for air conditioning systems. Sanosil is more dangerous than Hygisept and is used in public facilities and cannot be used in residential applications. Sanosil has a long history of biodegradation and vaporization, and its component silver destroys tissues. Sanosil is hazardous to humans and animals and requires flushing and ventilation when used.

Sanosil Super 25 Ag biocide contains 50% hydrogen peroxide solution. phosphoric acid - 0.01-0.05 percent. silver - 0.01-0.05 percent.

The use of biocides and chlorinated active substances and their solutions for disinfection is prohibited (EP and ET Regulation on the supply and use of biocides (05032/2/2011-C7_0251 / 2011-2009 / 0076 (COD)), as well as biocidal uses. to ensure that the biocidal products are used in accordance with the specific conditions of the authorization, the instructions for use and the labeling and the information contained in the safety data sheets (Regulation (EU) No 528/2012 of the European Parliament and of the Council market and their use ").

The ventilation systems disinfect ventilation ducts, air conditioning system ducts, fume cupboard chambers and household waste disposal ducts (shafts) on the principle of cold aerosol generation.

Ventilation systems, disinfection of ventilation ducts, air conditioning ducts and fume hoods are performed using 10-30 pm cold spray or 40-60 pm cold mist nozzles and 1.0 - 4.0 MPa low pressure battery mist generators. Disinfection of household waste disposal pipes is accomplished using 100-400 pm rotating vortex small spray compressed air nozzles. Performs an overpressure control of the disinfectant feed hoses when the nozzle is lowered to its lowest point during operation.

The choice of nozzle depends on the disinfectant working solution sprayed per unit area: cold aerosol 0.5-0.6 1/100 m ² ; cold fog - 1-5 1/100 m ² ; whirlpool spray up to 20 1/100 m ² (little or no liquid droplets on the spray surface). When working from the roof it is necessary to evaluate the additional pressure in the hoses (high pressure reinforced rubber 0 4-5 mm. Acid / alkali resistant hoses). To ensure even application of the biocidal product to the surface to be disinfected and to prevent overflow of the biocidal product (leakage to flats), disinfection shall be carried out by means of mist nozzles with pressure control valves.

The following are practical examples of the invention.

DISINFECTION OF VENTILATION SYSTEM Ducts AND OTHER Ducts

The inner surface of the ventilation ducts is cleaned with brushes - "hedgehogs". Used brushes (polypropylene, polymeric, polymethyl methacrylate, etc.) 0120, 0150, 0160, 0180, 0200, 0250 ... 0500 etc, also used square brushes 100 x 100, 120 x 120, 150 x 150, 200 x 200 and 250 x 250.

Mechanical cleaning is performed by flexible mechanical shafts, flexible pneumatic shafts or flexible hydraulic shafts (hereinafter referred to as shafts). When the torque is transmitted through the shafts, only round brushes, round comb brushes with a rotation speed of 800-2800 rpm are used.

Ventilation ducts must be cleaned of building debris, dust and other foreign matter prior to disinfection. Disinfection is based on the principle of cold aerosol generation using cold aerosol (10-30 pm) or cold mist nozzles (40-60 pm) and low pressure battery mist generators (1.0 - 4.0 MPa) and can also be used for rotating vortex small spray compressed air nozzles (100-400 pm), but the latter are better used for disinfection of household waste (debris) pipes. The choice of nozzle depends on the disinfectant working solution sprayed per unit area: cold aerosol 0.5-0.6 1/100 m ² ; cold fog - 1-5 1/100 m ² ; whirlpool spray - up to 20 1/100 m ² (liquid droplets flowing through the spray surface. Little or no drainage). The working disinfectant solution is prepared according to the manufacturer's recommended dosage of up to 2%. When working from the roof, it is necessary to evaluate the added pressure in the hoses (high pressure reinforced rubber 0 4-5 mm acid / alkali resistant hoses), as long-standing practice has shown that most of the added pressure at the lowest point using "shower" nozzles ventilation ducts and excess amount of biocide enter flats which may pose a risk to human and animal health. To this end, "shower" nozzles have been abandoned.

Consumption of materials according to R61P-2511 is from 300 ml to 3 liters per 10 m of the inner surface of the ventilation ducts. The cost depends on the size of the cross-section of the channel being processed (300 ml - 100 cm ² , ... 3 liters - 1 m ² ). During spraying operations, the overpressure in the hoses with the nozzle lowered to the lowest point must be evaluated, so a pressure valve / regulator is required.

Equipment used:

Low pressure cordless spray generator

Nozzle Coolnet 4 x 5.5 l / h (manufactured by METAFIM, # 63100058397) or any other manufacturer of this type

Nozzle Vibronet Micro-Sprinkler Anti-Drain Valve HD 210 (manufactured by METAFIM, # 64300-003010) or any other manufacturer of this type

Pressure Valve / Regulator LPD 4 / 1.8 atm (# 63000-003205, manufactured by METAFIM) or any other manufacturer of this type

Stabilizer 10/15 cm (No.63000-004070 from METAFIM)

Anemometer

Flexible shaft with electronic height gauge VVohler H 420 Handkehrhaspel 20 m model 20 / 592E no. 662081020200 (Driller shaft) or any other manufacturer of this type

Flexible shaft with electronic height gauge VVchhler H 420 Handkehrhaspel 30 m model 30 / 592E no. 662081020300 (Driller shaft) or any other manufacturer of this type

Flexible shaft (3500 rpm) Driller shaft 8 m LIFA AIR (6420281022876) or any other manufacturer of this type

Flexible shaft (3500 rpm) Driller shaft 15 m LIFA AIR (6420281022681) or any other manufacturer of this type

Flexible shaft (3500 rpm) Extra Strong Driller shaft 20 m.LIFA AIR (6420281021756) or any other manufacturer of this type

Flexible shaft (3500 rpm) Extra Strong Driller shaft 30 m.LIFA AIR (6420281021757) or any other manufacturer of this type

Screw brushes Basic brush 125 mm (6420281010378) or any other make of this type

Screw brushes Basic brush 200 mm (6420281010392) or any other make of this type

Screw brushes Basic brush 300 mm (6420281010415) or any other make of this type

Screw brushes Basic brush 400 mm (6420281010439) or any other make of this type

Screw brushes Basic brush 500 mm (6420281010446) or any other make of this type

Screw brushes Basic brush 600 mm (6420281010453) or any other make of this type

Screw brushes Basic brush 700 mm (6420281010460) or any other make of this type

Screw brushes Basic brush 800 mm (6420281010477) or any other make of this type

Electric Drill / Mixer (1000-1500 w / 0-3500 rpm)

Video probe (camera) VV0HLER VIS 350 PUSH NO. 8931 or any other manufacturer's video probe.

DISINFECTION OF SCRAP REMOVERS

Before disinfection, the inside surface of debris removal pipes must be cleaned of any build-up of plaque. For disinfection, rotating vortex small spray compressed air nozzles (100-400 pm) up to 20 1/100 m ² (liquid droplets on the spray surface have little or no leakage). Disinfection is based on the principle of cold aerosol generation with low pressure battery mist generators (1.0 - 4.0 MPa). The working disinfectant solution is prepared according to the manufacturer's recommended dosage of up to 2%. When working from the top floor funnel, it is necessary to evaluate the additional pressure in the hoses (high pressure reinforced rubber 0 4-5 mm acid / alkali resistant hoses).

Material consumption according to R61P-2512/2513 up to 5 liters for 10 meters of debris pipe inner surface treatment (0 450 mm). During spraying work, the overpressure in the hoses with the nozzle lowered to the lowest point must be evaluated and a pressure valve / regulator is required.

Equipment used:

Low pressure cordless spray generator

SpinNet Sprinkler Sprinkler Anti-Drain Valve (manufactured by METAFIM, no. 64200-033010, 80 l / h) or any other manufacturer of this type

SpinNet Sprinkler Sprinkler Anti-Drain Valve (manufactured by METAFIM, No. 64200-010760 120 l / h) or any other manufacturer of this type

Pressure Valve LPD 4 / 1.8 atm (No. 63000-003205, manufactured by METAFIM) or any other manufacturer of this type pressure regulator

Stabilizer 15 cm (No. 63000-004070, manufactured by METAFIM)

Flexible shaft (3500 rpm) Driller shaft 8 m LIFA AIR (6420281022876) or any other manufacturer of this type

Grease brush 450 mm (6420281020124) or any other manufacturer of this type

Grease brush 550 mm (6420281020131) or any other make of this type

Electric drill / mixer (1000-1500 w / 0-3500 rpm).

Claims (4)

DEFINITION DEFINITION 1. Method of disinfecting ventilation and / or air conditioning systems, traction cabinets and / or garbage disposal systems, including cleaning of ventilation ducts, air ducts, traction chambers and domestic waste disposal pipes (shafts), preparation and disinfection of biocidal disinfectant solution characterized by the use of the biocides F 210 HYGISEPT in ventilation ducts and garbage disposal pipes, and that the air conditioning system in ducts and ventilation traps in the ducts uses the biocidal product SANOSIL SUPER 25 Ag. 2. The method of disinfection according to claim 1, wherein the ventilation system is provided by the aerosol generating principle for the disinfection of the ventilation ducts, the air ducts, the traction cabinets and the domestic waste disposal pipes (shafts). 3. A method of disinfecting according to claim 2, wherein the ventilation ducts of the ventilation ducts and the air conditioning system are carried out using cold aerosol or cold mist nozzles and low pressure accumulator fog generators to perform the disinfection of household waste disposal pipes using rotary vortexed fine spray compressed air. nozzles, and that the connecting disinfectant supply hoses carry out pressure control when the nozzle is lowered to its lowest point during operation. 4. A method of disinfection according to claim 3, characterized in that it uses 10 to 30 µm cold aerosol jets, 40 to 60 µm cold mist jets, 1.0 to 4.0 mpa low pressure accumulator fog generator and 100 to 400 µm rotary vortex pits. spray compressed air nozzles.