Floor cleaning: mechanical cleaning and disinfection with scrubber driers

For wet cleaning of hard and resilient floor coverings, scrubbing machines are used in addition to manual cleaning equipment. The machines can wet scrub in one step and immediately absorb the dirt liquor. This way, work is carried out both hygienically and efficiently.

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Advantages of mechanical cleaning

The advantage of mechanical cleaning over manual cleaning is that germs - for example by absorbing the dirt water - are permanently removed and cannot accumulate in a manual cleaning textile. This minimizes the risk of recontamination.

The risk of contamination via the hands is also reduced by contact-free cleaning. The use of cleaning machines also increases efficiency: Thanks to the higher area output, a larger area can be cleaned in a shorter time.

A further advantage: Detergent can be added precisely in the correct quantity thanks to dosing systems.

In addition, scrubber driers apply a much higher contact pressure to the surface to be cleaned. This also increases the cleaning performance compared to a mop.

 

 


Use of cleaning agents - acidic or alkaline?

It is recommended to change between acidic and alkaline foam cleaning products, so that microorganisms cannot adapt and do not develop resistances. The same applies to disinfectants.

In addition, acids counteract the build-up of inorganic deposits such as lime. Here an alkaline cleaning agent is not sufficient. Organic soiling is dissolved well by alkaline cleaning agents. This is important, because deposits are particularly good adhesion bases for bacteria and viruses.

 When using acidic cleaning agents, please note that tile joints may have to be watered beforehand. This prevents them from absorbing the acid and being damaged.

 

 

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Special challenge: structured floor coverings

Textured floor coverings are more difficult to clean with manual cleaning systems such as wide wiper racks with mop covers. The problem is that dirt and detergent/care product residues can be wiped off by the structure. On the one hand, these residues look unattractive and on the other hand they provide a breeding ground for bacteria.

This problem can be avoided by using scrubbing machines with roller brush technology, as these use soft brushes to reach into the structure and loosen the dirt that is then being vacuumed off. Another advantage of roller brushes is that even coarser dirt particles are swept up and the step of pre-sweeping is saved.

Disinfection of floors with scrubber driers

Scrubber driers can be used for the disinfection of floors. It is important to observe both the correct chemical dosage and the exact application time according to the manufacturer's specifications. For chemical disinfection with regard to the corona virus, according to the Robert Koch Institute, agents with the range of action "limited virucidal" (effective against enveloped viruses), "limited virucidal PLUS" or "virucidal" must be used (source: rki.de).

The disinfectant cleaner RM 732 and the disinfectant RM 735 from the Kärcher portfolio are suitable for this purpose.

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The correct dosage

There are two possibilities for the correct dosage:

  1. the application concentration is best achieved by automatic dosage in decentralised disinfectant dosing units, for example in the equipment room.
  2. alternatively, the disinfectant solution can be prepared in the correct ratio e.g. in a measuring cup.

The disinfectant solution is then filled into the fresh water tank of the scrubber drier. Dosing systems built into scrubber driers are not suitable for this purpose


Procedure for the mechanical disinfection of floors

For successful disinfection, sufficient active ingredient must reach the floor surface. In order to achieve this, the flow rate should be selected in relation to the floor covering so that an even wetting is given. It is helpful to use microfibre textiles or pad material - brushes are less suitable for this.

In order to maintain the required reaction time, it is essential to work in the one-step method - i.e. without suction. The disinfectant solution is simply applied to the floor with the scrubber drier. Then the surface is allowed to dry.


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Post-processing of scrubber driers

The scrubber drier must be thoroughly cleaned or disinfected after the disinfection activity is completed. In addition, the excess disinfectant solution must be drained from the fresh water tank to prevent the machine from becoming contaminated.

Ideally, the fresh water cover, fresh water drain cover and the dirty water cover should remain open after dismantling to aid rapid drying.

Cleaning and disinfection according to HACCP (Hazard Analysis Critical Control Point)

In particularly hygiene-sensitive areas such as hospitals or kitchens, the premises and existing equipment must be kept clean by careful cleaning and, if necessary, disinfection. Since different areas and devices have different cleaning intervals, a cleaning plan must be designed and visibly hung up in the respective area that is to be cleaned. This plan has to show in detail:

  • what (equipment, surfaces, floors),
  • when (after use, daily, weekly),
  • with what (detergent and dosage)
  • and by whom (responsible employee)

it is to be cleaned.

Completed work must be precisely recorded and documented by signature in a comprehensible way to enable controlling. It should be noted that cleaning and disinfection are two different processes. Cleaning aims to remove contamination, i.e. any undesirable substance including product residue, microorganisms, and detergent and disinfectant residue. Thorough cleaning has been proven to remove over 90% of microorganisms and germs from surfaces.

Disinfection involves chemical and physical processes to kill microorganisms to a level that is neither harmful to health nor impairs the quality of food.

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CONTACT

Kärcher Cleaning System Pvt. Ltd.
A-42/4, Sector-62, Noida - 201 309,
Uttar Pradesh

For Sales Query: info.in@kaercher.com
For Service Query: service.in@kaercher.com

Toll Free Customer Care No. 1800 1234 180
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