This is a recent version of a PVC ram pump that I first developed in about 1991. It is very low profile to avoid damage during high water, and can run under water 24/7 since the air is separated from the water in the air chamber - no need for a snifter valve. This pump can raise water to a height at least 15 times the fall (drive head). Of course, the output tapers off the higher you pump. All of the components are very simple and inexpensive but have proven themselves over millions of cycles. This particular installation is to feed two slow sand filters under test in the house in the background. (See my other Ram Pump video for the updated version of this pump) www.appro-tec.com
Showing posts with label Hydraulic. Show all posts
Showing posts with label Hydraulic. Show all posts
Monday, January 2, 2012
Sunday, December 25, 2011
Hydraulic Ram Pump
As part of our manufacturing class at Avery High School, Milton Canupp and I assembled a hydraulic ram pump, capable of pumping water without the need of an auxiliary power source. It might have been a little wasteful, but was ultimately successful.
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Wednesday, November 30, 2011
Hydraulic Ram Pump chatia 03
PVC Hydraulic Ram Pump in Thailand. Maewang Chiangmai . ตะบันน้ำ ที่บ้านห้วยทราย ต.แม่วิน อ.แม่วาง จ.เชียงใหม่ ขนาดท่อเข้า 1นิ้วครึ่ง ท่อออก 4หุน สร้างโดย นายชาติชาย ภาคีนุยะ www.biogaseasy.synthasite.com
Saturday, November 26, 2011
Pneumatic and Hydraulic Cylinders - Single and Double Action Solutions
Anybody who has ridden a bike with spring coil shock absorbers on hard undulating surfaces would know how different and efficient the damping is on a pneumatic and hydraulic shock. The present day shock is a very state of the art shock and vibration damping equipment that works on either compressed air power or fluids to dissipate the energy and the vibrations generated from tyre contact with road surface. The shock impulse is dissipated through the Pneumatic and hydraulic cylinders with a sliding piston setup inside. The cylinder is filled with a fluid or air, as the requirement might be. Shock absorbers find use not only in the motor and automobile suspensions but in aircraft landing gear, in drilling equipment, in earth moving equipment, in oil rigs and many other huge industrial machineries. The same principle behind shock absorbers is employed in rail transport which limits the yawing of bogies from side to side in a fast moving train.
Pneumatic and hydraulic damping systems contain pneumatic cylinders or hydraulic cylinders which employ a steel piston, a piston rod, a cylinder barrel setup to help deliver the damping effect. As compressed air or fluid moves into a pneumatic or hydraulic cylinders, it pushes the piston up or down through the length of the cylinder. The reflex action of the piston is either activated by either the compressed air or by a spring mechanism, which brings back the spring to its original position. These are also called Single Action Cylinders. Cylinders come in a variety of types and may either be pneumatic cylinders, electro pneumatic cylinder, hydraulic cylinders or electro hydraulic cylinders. Double Acting Cylinders (DAC) employ the force of air to move in two ways, in an extend stroke and a retract stroke. Double Acting Cylinders have two ports, one for outstroke and one for in-stroke.
As the industry requirements may vary, pneumatic and hydraulic cylinder come in a variety of bores and strokes configurations. These may vary between being smaller than an inch all the way up to several feet. The power of compressed air or air may range from a few pounds per square inch to hundreds of pounds creating enough power and force of a few thousands of pounds. The pistons rods are usually made of toughened alloy steel. Cylinder pipes are seamless drawn and are precisely honed to the smoothest finish to prevent corrosion and provide long life for piston-seals.
Valves present inside the pneumatic and cylinder help regulate the flow of compressed air or fluids and maintain the pressure inside the pressure inside the pneumatic or hydraulic cylinder. Some pneumatic cylinders reach 1000 mm in diameter, and are used in place of cylinders for special circumstances where leaking hydraulic oil could impose an extreme hazard. Pneumatic and hydraulic cylinders also find application in automated shutters in train and tram doors, and automated exits that are monitored and activated by sensors. The low friction nature of arrangement in Pneumatic and hydraulic cylinders enable a smooth, slow-speed operation and at a low pressure which is a safety consideration in human traffic areas.
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Friday, November 11, 2011
All About Hydraulic Ram Pumps
!±8± All About Hydraulic Ram Pumps
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The ram pump, or water ram, is a very useful 'old-tech' device that has been around for many years and is as useful today as ever. It can pump water from a flowing source of water to a point ABOVE that source with no power requirement other than the force of gravity. Invented before electric water pumps, this rugged, simple and reliable device works continuously with only 2 moving parts and very little maintenence. Typically installed at remote home sites for domestic water supply, watering livestock, gardens, decorative lily and fish ponds, water wheels and fountains. Because it uses no power, a ram pump can be used where water would normally not be used and would flow on downstream.
This book explains in simple terms and with illustrations how the ram pump works, where and how it can be set up, and how to keep it going. The second section of the book gives step-by-step plans for building a fully operational Atlas Ram Pump from readily available plumbing fittings and which require NO welding, drilling, tapping or special tools to fabricate. The final chapter shows how to build an inexpensive ferro-cement water storage tank.
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