AT48586B - Device to avoid pressure losses in accumulation ponds for hydropower plants. - Google Patents
Device to avoid pressure losses in accumulation ponds for hydropower plants.Info
- Publication number
- AT48586B AT48586B AT48586DA AT48586B AT 48586 B AT48586 B AT 48586B AT 48586D A AT48586D A AT 48586DA AT 48586 B AT48586 B AT 48586B
- Authority
- AT
- Austria
- Prior art keywords
- pressure losses
- hydropower plants
- water
- avoid pressure
- accumulation
- Prior art date
Links
- 238000009825 accumulation Methods 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000009194 climbing Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Description
<Desc/Clms Page number 1>
Einrichtung zur Vermeidung von Druckverlusten bei Akkumulierungsweihern für Wasser- kraftwerke.
Es ist eine bekannte Massnahme, in oder neben Flussläufen, deren Wasser zur Krafterzeugung benützt wird, Sammelbecken zu dem Zwecke einzuschalten, um zur Zeit des geringeren Wasserbedaines grössere Wasscrmengen anzusammeln und damit das fehlende Quantum zur Zeit des grösseren Wasserbedarfes zu decken. Dabei ist es Bedingung, dass der Spiegel des Zulaufgerinnes mindestens gleich hoch mit dem höchsten Stanspiegel im Akkumulierungsweiher liegt, um das Sammelbecken selbsttätig füllen zu können.
Weiters liegt auf der Hand, dass sich der hydrostatische Druck im Ablaufgerinne mit dem wechselnden Wasserspiegel im Weiher ändert, dass also während der Entnahme-und Füllungs- periode des Sammelbeckens in der Ableitung immer ein geringerer Druck vorherrscht, als er vermöge der Höhenlage des Zulaufspiegels sein könnte. Dies bedeutet einen umso grösseren Verlust an Energie, als man mit Rücksicht auf Verdunstung und Eisbildung bestrebt ist, möglichst tiefe Sammelbecken herzustellen.
Gegenstand vorliegender Erfindung ist nun eine Anordnung, durch welche die Druckverluste in der Ableitung während der Füllungsperiode des Sammelbeckens vermieden werden.
Sie besteht aus einer offenen oder geschlossenen Leitung, weiche den Zulauf mit dem Ablauf verbindet und einen Überfall besitzt, iiber welchen zu der Zeit. in welcher der Wnsserkonsum
EMI1.1
als der Zufluss ist.
In der beiliegenden schematiscben Zeichnung ist in Fig. 1 der Flusslauf 1 durch eine Mauer 2
EMI1.2
Wenn der Wasserverbrauch im Kraftwerke geringer ist als der Wasserzulauf in das Sammelbecken, dann wird sich der Wasserspiegel im Schacht 7 schr rasch heben und nach Schliessung
EMI1.3
<Desc/Clms Page number 2>
EMI2.1
becken 4 mit dem Schacht 7 verbindenden Kanal abschliesst.
Es kann das Verbindungsgerinnc J ata UmIeitungastoUen und in andeler verschiedener Art ausgebildet werden, ebenso wie Überfall 10 und Klappe 9 in verschiedener Form und an verschiedenen Stellen angeordnet werden können.
<Desc / Clms Page number 1>
Device to avoid pressure losses in accumulation ponds for hydropower plants.
It is a well-known measure to switch on reservoirs in or next to rivers whose water is used to generate power, in order to collect larger amounts of water when the water requirement is lower, and thus to cover the missing quantity when the water requirement is greater. It is a condition that the level of the inlet channel is at least as high as the highest level in the accumulation pond in order to be able to fill the collecting basin automatically.
Furthermore, it is obvious that the hydrostatic pressure in the drainage channel changes with the changing water level in the pond, so that during the withdrawal and filling period of the collecting basin there is always a lower pressure in the drainage than it would be due to the height of the inlet level could. This means an even greater loss of energy as one strives to create the deepest possible collecting basins, taking into account evaporation and ice formation.
The subject of the present invention is an arrangement by means of which the pressure losses in the discharge line during the filling period of the collecting basin are avoided.
It consists of an open or closed line that connects the inlet with the outlet and has an overflow over which at the time. in which the water consumption
EMI1.1
than the inflow is.
In the accompanying schematic drawing, the course of the river 1 is shown in FIG. 1 through a wall 2
EMI1.2
If the water consumption in the power plant is less than the water supply to the collecting basin, then the water level in the shaft 7 will rise rapidly and after closing
EMI1.3
<Desc / Clms Page number 2>
EMI2.1
basin 4 with the shaft 7 connecting channel closes.
The connecting channel can be designed in different ways, just as the overflow 10 and flap 9 can be arranged in different shapes and at different locations.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT48586T | 1910-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT48586B true AT48586B (en) | 1911-06-26 |
Family
ID=3569172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT48586D AT48586B (en) | 1910-01-19 | 1910-01-19 | Device to avoid pressure losses in accumulation ponds for hydropower plants. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT48586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT386031B (en) * | 1985-02-22 | 1988-06-27 | Senn Dipl Ing Dr Techn Eduard | Ancillary arrangement for reservoirs of hydroelectric power stations |
-
1910
- 1910-01-19 AT AT48586D patent/AT48586B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT386031B (en) * | 1985-02-22 | 1988-06-27 | Senn Dipl Ing Dr Techn Eduard | Ancillary arrangement for reservoirs of hydroelectric power stations |
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