43660Experiments (was) Re: Aerating you product / equipment heads-up
- Oct 3, 2008Side Note:
I have been using an air matress pump for the past 2 years for aerating
my mashes / washes. It works on a vacuum cleaner concept with no
diaphragms, using fans for the air flow. Pumps quite a volume of air
Vino es Veritas,
Jim aka Waldo.
--- In Distillers@yahoogroups.com, "Harry" <gnikomson2000@...> wrote:
> --- In Distillers@yahoogroups.com, "duds2u" taylormc@ wrote:
> > Sorry for the delay in answering. The pump I have is a cheapie
> > acquarium pump. It puts out 150 l/hr (?) and has a rubber diaphragm
> > type pump. Not game to pull it apart to find out the finer details
> > it, I might find some milk products there.
> > --- In Distillers@yahoogroups.com, "abbababbaccc" abbababbaccc@
> > wrote:
> > >
> > > Hmm, mine has been used for 100 hours or so. I do not have the
> > > in line and I have not noticed any problems. What type of
> > > do you have? Mine is made of black rubber, manufacturer is Schego.
> > >
> > > Cheers, Riku
> > >
> These are the cheap Taiwanese pumps. 2 rubber buckets (diaphrams), one
> on either side. Actuated by a magnetic pull-in bar like a solenoid. So
> the bar moves at 50 or 60 times per SECOND in tune with the power
> 50 or 60 hertz (cycles). That's a LOT of flexing of the rubber, which
> causes the hot rubber taste in the product.
> Working Principle of Linear Diaphragm Air Pump When the
> alternating current is applied to the electromagnet as in the figure
> above the actuating rod moves first in the direction of the arrow as
> shown in Fig.A and then in the direction of the arrow as shown in
> by the magnetic attraction and repellent forces exerted between the
> electromagnet and the permanent magnets attached to the rod. The rod
> vibrates at the same frequency as that of the power supply and changes
> the volume of the space enclosed between the casing and the diaphragm.
> Thus, the air intake, compression and exhaust can be performed through
> the valves.
> regards Harry
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