SPIS Toolbox - Water Pump - Revision history

Ranisha at 19:25, 21 July 2020

2020-07-21T19:25:53Z

Ranisha at 15:17, 21 July 2020

2020-07-21T15:17:54Z

Janna Schneider at 10:05, 26 September 2019

2019-09-26T10:05:24Z

Janna Schneider at 10:04, 26 September 2019

2019-09-26T10:04:27Z

Janna Schneider at 12:20, 25 September 2019

2019-09-25T12:20:09Z

Janna Schneider at 12:19, 25 September 2019

2019-09-25T12:19:16Z

Janna Schneider at 12:17, 25 September 2019

2019-09-25T12:17:43Z

Janna Schneider at 12:16, 25 September 2019

2019-09-25T12:16:35Z

Ranisha at 09:59, 22 March 2018

2018-03-22T09:59:14Z

Ranisha at 09:57, 22 March 2018

2018-03-22T09:57:33Z

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 | {{Back to Get Informed}}
+|
-| style="width: 150px; background-color: rgb(111, 142, 43);" | <span style="color: rgb(0, 0, 0);"><span style="font-size: 90%;"><span class="link2">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
+| {{Next Chapter}}[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
 |}
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 | {{Back to Get Informed}}
+|
-| style="width: 150px; background-color: rgb(111, 142, 43);" | <span style="color: rgb(0, 0, 0);"><span style="font-size: 90%;"><span class="link2">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
+| {{Next Chapter}}[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
 |}
 {{SPIS Reference}}

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 | {{Back to Get Informed}}
+|
-| style="width: 150px; background-color: rgb(222, 226, 192);" | <span style="color:#000000;"><span style="font-size: 90%">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span>
+| style="width: 150px; background-color: rgb(111, 142, 43);" | <span style="color: rgb(0, 0, 0);"><span style="font-size: 90%;"><span class="link2">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
 |}
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 | {{Back to Get Informed}}
+|
-| style="width: 150px; background-color: rgb(222, 226, 192);" | <span style="color:#000000;"><span style="font-size: 90%">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span>
+| style="width: 150px; background-color: rgb(111, 142, 43);" | <span style="color: rgb(0, 0, 0);"><span style="font-size: 90%;"><span class="link2">'''[[SPIS_Toolbox_-_Monitoring_System|►Go to the Next Chapter]]</span></span></span>
 |}
 {{SPIS Reference}}

← Older revision		Revision as of 10:05, 26 September 2019
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	Positive displacement pumps are among the oldest pump technologies in the world. They can be installed under water (submersed) or above water as a «dry running machine». The pumps can be driven by wind, solar, animals, humans, or electricity from the grid. In some cases, you may need a gearbox to lower or increase the pump speed.		Positive displacement pumps are among the oldest pump technologies in the world. They can be installed under water (submersed) or above water as a «dry running machine». The pumps can be driven by wind, solar, animals, humans, or electricity from the grid. In some cases, you may need a gearbox to lower or increase the pump speed.
		+
		+	{{#widget:YouTube\|id=HFJ7BB74JZc\|height=300\|width=800}}

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← Older revision		Revision as of 10:04, 26 September 2019
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	{{#widget:YouTube\|id=g2U88sQdp40\|height=300\|width=800}}		{{#widget:YouTube\|id=g2U88sQdp40\|height=300\|width=800}}
		+
		+	===== '''Positive Displacement Pump''' =====
		+
		+	Positive displacement pumps are among the oldest pump technologies in the world. They can be installed under water (submersed) or above water as a «dry running machine». The pumps can be driven by wind, solar, animals, humans, or electricity from the grid. In some cases, you may need a gearbox to lower or increase the pump speed.

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 |}
-{{#widget:YouTube|id=g2U88sQdp4|height=300|width=800}}
+{{#widget:YouTube|id=g2U88sQdp40|height=300|width=800}}
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 |}
-{{#widget:YouTube|id=hcnMGDLtb9U&t|height=300|width=800}}
+{{#widget:YouTube|id=hcnMGDLtb9U|height=300|width=800}}
 ===== '''Helical Rotor Pump''' =====

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 | [[File:Centrifugal Pump.png|thumb|right|100px|Centrifugal pump (Source: Grundfos)]]
 |}
 ===== '''Helical Rotor Pump''' =====
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 | [[File:SurfPump.jpg|thumb|right|120px|Surface pump on a mobile structure (Source: Lennart Woltering)]]
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-| style="width: 572px;" |
 A centrifugal pump creates an increase in pressure by transferring mechanical energy from the motor to the fluid through the rotating impeller. The fluid flows through the inlet to the impeller center and out along its blades. The centrifugal force increases the fluid velocity and consequently the kinetic energy is transformed to pressure. The pressure can be increased by simply adding several stages in series. Centrifugal pumps are generally utilized where pumping heads are low and water demand is high. For this reason centrifugal pumps are the preferred option for use in irrigation systems.
-| style="width: 178px;" | [[File:Centrifugal Pump.png|thumb|right|100px|Centrifugal pump (Source: Grundfos)]]
+| [[File:Centrifugal Pump.png|thumb|right|100px|Centrifugal pump (Source: Grundfos)]]
 |}

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 Submersible pumps are installed at depths ranging from 10 to 120 meters. Using control switches (such as float switches in water tanks and wells), submersible pumps can be operated in automatic mode. In contrast, surface mounted pumps usually require the attendance of an operator who regularly checks the surface pump’s priming behavior. Use of primary chambers and non-return valves can prevent loss of prime.
-Surface pumps have several advantages if compared to submersible ones: they are cheaper, can be easily installed and accessed for maintenance and can be used for an easy/simple fertigation at the suction/intake side.
+Surface pumps have several advantages if compared to submersible ones: they are cheaper, can be easier installed and accessed for maintenance and can be used for an easy/simple fertigation at the suction/intake side.
 Solar water pumps are generally constructed from non-corrosive stainless steel and are designed to pump clean water without any solids and fibers. The lifetime of a submersible motor pump strongly depends on the water and installation quality. If the pump is installed in a drilled well with a proper well casing (and thus reduced sediment intrusion), submersible pumps may reach lifetimes between 7–10 years. In very poorly constructed wells and boreholes with high sediment content, the hydraulic part of the water pump may have to be replaced after 2–3 years. In order to secure a safe system operation, two safety means are necessary:
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 A centrifugal pump creates an increase in pressure by transferring mechanical energy from the motor to the fluid through the rotating impeller. The fluid flows through the inlet to the impeller center and out along its blades. The centrifugal force increases the fluid velocity and consequently the kinetic energy is transformed to pressure. The pressure can be increased by simply adding several stages in series. Centrifugal pumps are generally utilized where pumping heads are low and water demand is high. For this reason centrifugal pumps are the preferred option for use in irrigation systems.
-| style="width: 178px;" | [[File:Centrifugal Pump.png|thumb|right|100px|Centrifugal pump (Source:Grundfos)]]
+| style="width: 178px;" | [[File:Centrifugal Pump.png|thumb|right|100px|Centrifugal pump (Source: Grundfos)]]
 |}