As discussed earlier, monitoring variables in a process is a critical part of Six Sigma. The following are some examples of parameters that can be monitored in a cleaning process and some suggestions regarding how the monitoring can be done. Chemical Concentration – Chemistry (detergent, acid, rinse aid, etc.) is one of the most important components of the …
When in the quest for six sigma performance it never hurts to have a little “head room” in the process. In simple terms, this means that the equipment used should not be “maxed out” to achieve the desired result. I’m sure that none of us would be comfortable if we had to keep the accelerator …
Surface cavitation erosion of ultrasonic transducers is a topic that users and manufacturers of ultrasonic equipment would often rather not talk about – – but we must. The erosion of a transducer surface due to surface cavitation is inevitable over time. Its severity depends on several factors, some of which can be controlled and some …
So, the goal is to get the air out of the system so that the pump can operate properly. In the preceding blog I explained what factors might keep air from escaping from the inlet side of the pump. It would, then, be a logical question to ask, “Why doesn’t the air just go out the …
Let’s again look at the system schematic shown in the preceding blog. This time, however, it is shown with an “air lock.” The centrifugal pump, unable to pump air, is not able to move liquid to replace the air trapped in the plumbing system. At first glance, it may not be obvious how this condition …
The blog Pumps – Centrifugal Pumps provided some basic information about the type of pump most commonly used in industrial cleaning equipment. Centrifugal pumps are simple, relatively inexpensive, versatile and reliable. However, as I mentioned in that blog, they do have some limitations. In order for a centrifugal pump to function, liquid to be pumped …
Filters used to filter air, water and chemicals in industrial processes can cost thousands of dollars and more. Some filters are intended to be renewable by cleaning. Other filters, even some considered “disposable,” can be recovered for re-use using ultrasonic cleaning techniques. A filter, as we discussed in earlier blogs (search “filter”) is a device …
This blog explores some common mistakes made in the application of de-ionization hardware. Although a properly engineered and installed de-ionization system will prevent these potential mistakes at the start, post-installation modifications by those less knowledgeable about de-ionizing technology don’t always respect good design practices. Temperature Limits – In general, de-ionization systems are not intended to …
The specification of automated valves requires certain considerations that are not of concern with typical manually operated valves. The blog Valves – Automated Valves – What’s Different? provided a glimpse of automated valves with a very simple (but typical) example. There are, of course, innumerable variations used in the design of automated valves so the …
Today’s highly automated industrial cleaning equipment relies heavily on valves remotely actuated either by an operator or by an automated control system. Although performing basically the same function as manually operated valves, automated valves operated by electricity, air, hydraulics or other means are considerably different than manual valves not only in their construction but their mode …
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