DE19717663A1 - Disinfection of silo, room or chamber comprises inflating balloon with hot gas inside room and adding active agent e.g. pesticide or insecticide to gap between chamber wall and balloon - Google Patents

Abstract

Disinfection of a silo, room or chamber with a suitable heated chemical agent e.g. formalin, carbon dioxide, ethylene or pyrethroid is introduced for a given time. Prior to the introduction of the heated chemical agent, an inflatable balloon made from heat-resistant material is introduced to the room or chamber, and is inflated with hot gas. The balloon has a number of external spacer prods which prevent contact between the balloon membrane and the chamber wall. Following inflation of the hot balloon, a charge of the chemical agent is introduced into the residual gap between the membrane and chamber wall. Also claimed is a balloon assembly.

Description

It is well known that a certain amount of the necessary disinfectant (e.g. Fomalin) per m ^{3 is} required for room disinfection.

It is well known that pest control requires a certain amount of pesticides (for example pyrethroids) per m ³ .

It is well known that recently carbon dioxide (CO ₂ ) has also been used for pest control and that an effective CO ₂ concentration per m ³ must therefore be achieved.

It is well known that even by increasing the room temperature; e.g. B. by Einbrin hot gases, effective pest control is possible.

It can be assumed that technologies to be expected in the future relating to the above-mentioned topics of disinfection, pest control and deconatamination are dependent on an effective concentration or on a corresponding efficiency per m ^{3 of} indoor air.

The advantages achieved by the invention are in particular that
Claims 1-4 are based on the problem that certain disinfection processes (e.g. with formalin, formaldehyde and their compounds and ethylene oxide) have come into public discussion because of their known toxicity, carcinogenicity and environmental intolerance; Therefore, these particularly effective methods for disinfecting rooms are rarely approved or used;
in pest control indoors, by minimizing the volume of space to be filled with pesticides not only possible intolerances to humans and animals can be reduced, but also the pollution of the environment is considerably reduced;

in pest control by increasing the temperature by reducing the room volume, the amount of energy required for heating the air (e.g. by means of a hot air blower) and at the same time the loading time would be greatly reduced;
When decontaminating biologically or chemically contaminated rooms, halls, stationary or mobile chambers using suitable reactants, targeted reaction of the reaction partners takes place and the time required for removal or inerting is shortened.

The task of reducing the room volume is achieved in that a flexible, tempera turstable and / or chemical resistant envelope or film by means of a blower and / or a gas bottle with ambient air or other suitable or special media the largest possible dimension is expanded, being incorporated or represented in the envelope or film on the attached or in the room itself attached spacers the contact to the wall or to prevent furniture.

The task of circulation outside the envelope, foil or balloon is done by distance holder (called knobs), either during the manufacturing process of the cover, the Foil or the balloon on the outside, or be attached separately, guarantee continuous This will u. a. also made possible by a cover made of so-called blown film.

The task of quickly diluting the indoor air concentration after using Wirk substances, this ensures that the ambient air in the envelope or any additional non-toxic medium used is blown off to the outside by means of the blower conducts and thus by the negative pressure in the room ambient air from outside leads. In this way it is possible to go inside the room without any noteworthy deductions be of pollutants in the outside air to significantly reduce the active ingredient concentration and depending on the medium to be diluted below the harmful limit.

Claims (4)

1. A method for reducing the volume in connection with the introduction and application of gaseous and vaporous media in closed rooms, halls and chambers of any kind to minimize environmental toxins to be used and the energy and time required, characterized in that the volume to be treated by introducing an inflatable, flexible, temperature-stable and / or chemical-resistant cover, which is filled with ambient air or other media from the outside by means of a blower and / or a gas bottle, to the smallest possible extent, in order to achieve a minimal residual volume of the room , especially for pest control, disinfection or decontamination in closed rooms, halls or chambers of any kind (e.g. silos, both mobile and stationary). 2. Device according to claim 1, characterized, that by minimizing the remaining volume to make a significant saving media (hot air, gases, chemicals, etc.) and thus a considerable cost saving takes place.   3. Device according to claim 1, characterized, that by minimizing the volume of the room, the potentially harmful return levels of media brought in are reduced, thus reducing environmental impact. 4. Device according to claim 1, characterized, that by minimizing the volume of space, a considerable saving in time fumigation or vaporization or heat treatment with the media introduced follows and thus for faster availability of the room, hall or chamber any type after treatment and contributes to cost savings.