27 Feb Title: Design of a Low Cost, Self Operating Hydraulic Ram Pump for Water Retention and Lifting in Developing Countries: Bringing Clean Water. 11 Mar The level that the pump can raise water to depends on the water’s head (total drop the water will make). This design was worked out by. 13 Sep water in remote locations is the hydraulic ram pump. The first development work .. This is a very simple design that only requires assembly of.

Author: Nenris Malrajas
Country: Congo
Language: English (Spanish)
Genre: Education
Published (Last): 9 November 2013
Pages: 18
PDF File Size: 14.37 Mb
ePub File Size: 16.64 Mb
ISBN: 465-4-15004-804-8
Downloads: 14835
Price: Free* [*Free Regsitration Required]
Uploader: Yolar

Since 2, liters per day is required, the number of liters per minute needed can be found by dividing 2, by It is important with such units to make an occasional check to see that the snifting valve has not become clogged with dirt and is working properly. The quantity Q of hydram pump design available from the source. In Roman times, the first reciprocating pump appeared BC and this remained the main pump type hydram pump design use for several centuries, operated by hand, animal, water or wind power, mechanical skill developed, and metals came more into use, but the limiting factor with all hydram pump design older pumps was the relatively low power output which is delivered by them.

Table 4 shows hydraulic ram capacities pum one manufacturer’s Hydrams. The check valve C remains in its normal closed positions by both the attached spring and water pressure in the tank D and the delivery pipe E no water in hydram pump design tank prior to start up.

The length of pipe from the source to the pump site called the drive pipe. The waste valve B is closed.

There is a location for a ram on the bank of the wash. The earliest pump to be used was the hand pump. Another method on more sophisticated hydrams is to include a so-called hydram pump design valve which automatically allows air to be drawn into the base of the air chamber when the water pressure momentarily drops below atmospheric pressure.

Organizations All Articles Search Images. Where hydram pump design capacity is needed, it is common practice to install several hydrams in parallel.

Related Information Research Grants P3: A hydraulic ram installation consists hydram pump design a supply, a drive pipe, the ram, a supply line and usually a storage tank. Based on our testing results, it appears that the efficiency of the ram pump depends on following factors:.


There is often an adjustable bolt which limits the opening of the valve to a predetermined amount which allows the device to be turned to optimise its performance. This will also minimise any back flow pmp the delivery valve hydram pump design the air chamber and improve efficiency. Loss due to hydram pump design enlargement at the T-junction is expressed as. Hydraulic Ram for village use was developed by V.

How to Make a Hydraulic Ram Pump – Howtopedia – english

The lift required to the top of the storage tank is hydram pump design. Deisgn us financially or, Testimonials on how you use howtopedia are just as precious: Since the spring is 35m away, the length is all right. The velocity of fluid flow in the T—junction is given by. The size and length of the drive pipe must be in proportion to hydram pump design working head from which the ram operates.

Flow discharge in drive pipe.

Hydraulic Ram Pump

Needless to say, such devices are very low in cost but the pipes in the end cost considerably more than the hydram. The hydram pump design pipe must generally be straight; any bends will not only cause losses of efficiency, but will hydram pump design in strong fluctuating sideways forces on the pipe which can cause it to break loose.

InKrol [1] established that it was possible to forecast the behaviour of any automatic hydraulic ram, provided the following gydram at a given installation have been hydram pump design separately. In order to reduce head loss due to friction, the length of the pipe divided by the diameter of the pipe should be within the range ofMore advanced pumps were, however, known to the Romans, as shown hyxram the double cylinder force pump now preserved in the British museum, but their use was apparently lost in this century at the end of the Roman Empire.

They tend to be made from heavy castings and have been known to function reliably for 50 years or more. The overall cost of fabrication of this hydram shows that the pump is relatively cheaper than the existing pumps. A ram pump made from standard pipe fittings. From Table 4, a No. During the second hydram pump design, the fall and elevation heights were kept at 1.

The check valve C remains closed until the hydram pump design volume in hydram pump design pressure tank D has stabilized and water has stopped flowing out of the delivery pipe E. Contact us Website feedback. Once the pressure exceeds the static delivery head, water will be forced up the delivery pipe.


Based on the design the volume flow rate in the derived pipe was 4. Too long of a cycle is caused by an excessively long drive pipe or so much weight on the waste valve that the column of water takes a longer time to overcome, causing it to close suddenly.

WOT is a non-profit organisation working in the field of small-scale sustainable energy, hydram pump design at the University of Twente, Netherlands. These are shown in Figure 1. Since the head H contributed to water acceleration in the driven pipe, this acceleration is given by. Moreover this final prototype Figure 1 is designed in a way that it can easily assemble hydram pump design prior high crafting skills.

How to Make a Hydraulic Ram Pump

The waste valve B opens and the water in the drive pipe A flows into the pump and out of the waste valve B. These are shown in Figure 1 and include: The construction, basically consist of pipe fittings of suitable designed size. The above data can be used to size the system. If the air chamber fills with water completely, not only does performance suffer, but the hydram body, the drive pipe or the air chamber itself can be fractured by the resulting water hammer.

However, we do request that any such re-distribution be on a non-commercial hydram pump design only. Each ram must have its own drive pipe, but all can hydram pump design through a common delivery pipe as shown in Figure 3.

The drive pipe diameter is usually chosen based on the size of the ram and the manufacturer’s recommendations as shown in Table 3. The calculated design parameters for the hydraulic ramp pump are done based on the following specifications of supply and delivery heads from a published manual on the hydraulic ram for pumping water by WATT [4].

Hydram pump design at waste valve. The following are the steps in design.