Published : 01/29/2018 10:49:01
Categories : Harrison Hire & Sales Posts
Cleaning – how Sinner’s Circle, the right chemical and the right equipment can get you the best results
Sinner’s Circle sounds like a club for rebels who want to change their ways, but in reality it is a tried and trusted method of achieving good cleaning results that was developed by Herbert Sinner in the 1950’s. He identified 4 factors which need to be considered when cleaning; they are still relevant today. In our everyday lives we will probably have unconsciously applied these principles when having a bath, cleaning the car or doing the laundry. For cleaning in industrial and commercial settings, Sinner’s principles are important as they improve results as well as saving time and money. The four elements of the cleaning circle are mechanical effect, temperature, chemical effect and time.
Reasons why companies carry out cleaning vary, but the common ones are: to prevent disease, improve safety, to extend the life of equipment or premises and for aesthetic reasons. By training operatives to understand Sinners’s circle, a company can ensure that the standards they are striving for can be achieved.
The first of Sinner’s factors is mechanical effect. This might be using a high-pressure jet, a brush or a sponge on a surface. This physical force is important in removing stubborn or widespread dirt from an area and so using the right equipment to do the job is essential. For example, there are different types of pressure washer nozzles to suit different jobs. A wide angled nozzle might be ideal for quickly wetting a large area, but a turbo nozzle (which oscillates) will have a better effect at targeting a problem area.
The second factor is temperature – as temperature increases dirt becomes thinner. Grease is a good example; hot water cleans grease or oil in less time than cold water. If you’ve ever tried washing up greasy plates in cold water when you’ve been camping then you will know how much more difficult it is! Dry steam cleaning uses high temperature for this purpose, as well as to disinfect.
Chemical effect is the 3rd element, and the one where finding the right detergent can make a real difference to the task in hand. Cleaning agents act in several ways to enhance the cleaning process: they reduce the surface tension of the water, break down the bonding forces between dirt and the surface to be cleaned, enable dirt to either swell (or otherwise dissolve it) and finally they emulsify water-soluble dirt in the cleaning solution in order to transport it away. There are a lot of cleaning agents on the market so take specialist advice to find one that suits your requirements. See below for more details on this.
Lastly, is “time”, which consists of two components. One of these is reaction time; when you allow soaking time the cleaning agent and temperature combine to penetrate and loosen the dirt. This reduces the forces that adhere the dirt to the surface. Some cleaning agents are specifically designed to have a longer reaction time. Gel formulations are ideal for façade cleaning as they cling for longer on vertical surfaces, whilst foaming agents (used in conjunction with a foaming bottle) used in a pressure washer will give the chemical time to take effect as the foam clings to a vehicle.
The other component is processing time: this is the amount of time an operator takes to remove the dirt mechanically, for example, with a brush or a high pressure washer. An operator can speed up processing time by working more quickly, or by using a larger tool width. The time taken to clean to a vast warehouse would be drastically reduced by using a scrubber dryer or sweeper with a wider brush width.
Before you buy chemical and machinery it is worth asking for a demonstration from the supplier. They should firstly consider the type of surface to be cleaned. Some chemicals or cleaning techniques are not suitable for particular surfaces. To give you a few examples –limestone floors and Linoleum will react if the wrong chemical is applied, timber flooring should never have water left to soak into it, and steam machines should not be used with chemical in most instances. The supplier should also take into consideration the circumstances that the equipment will be used in. Noisy machinery may not be appreciated in a hotel, a factory are likely to require three-phase equipment and a valet company who are cleaning vehicles will need portable machinery to access tight corners. How long and how often a piece of equipment is used for, plus the size of the area to be cleaned will also impact on what machinery a specialist industrial cleaning equipment supplier will specify.
Harrison Hire and Sales have been finding solutions to cleaning problems for over 50 years. Our staff are trained to identify the right machinery and chemical to suit the application. We cover a wide range of industries and have experience in solving most cleaning problems. Recent contracts have included installing scrubber dryers in fish processing factories, pressure washers for cleaning pig housing, dry steam generators in bakeries and brush washes in transport companies. We also offer service contracts and a full after-sales service to ensure our customer’s machinery is well-maintained. For advice on your cleaning problems please give us a call, send us an email or use our online chat.