WO2007076866A1

WO2007076866A1 - Clean energy power plant

Info

Publication number: WO2007076866A1
Application number: PCT/DK2006/000744
Authority: WO
Inventors: Jørgen Pedersen
Original assignee: Pedersen Joergen
Priority date: 2005-12-30
Filing date: 2006-12-27
Publication date: 2007-07-12

Abstract

A Power Plant with means for, using the kinetic energy in the high velocity returned liquid column masses, obtained from a created Water Column Separation, from the steam to water phase shift. From a sudden interruption of a flowing liquid in a pipe, where the liquid column flow further ahead as a floating piston, create a vacuum space, a part of the liquid evaporate, according to the temperature and pressure, and short after condense. The liquid column is then accelerated at a higher velocity in the opposite direction. The kinetic energy in the returning high velocity liquid column masses does the work, in the present power plants.

Description

Clean energy Power plant.

The invention relates to power plants.

The present invention relates to a power plant, and in particular, to a system and method of use, utilize the often-negative effect of a waterhammer or liquidhammer, to a positive effect. To create a positive pressure for use in operating a hydraulic or pneumatic devices.

The constant increase in demand for alternative energy, for plants which are able to reduce the negative environmental effects from burning fuel, has resulted in various alternative plants for generation of electrical energy. The present invention is one of.

The patent US 6,546,723 describes the use of the negative pressure after a sudden closing valve, a kind of vacuum pump.

The invention seeks to provide a power plant, which is more effective than to-days power plants. «

No documents refer to power plants of this kind, where the effect of a returning high velocity liquid mass (waterhammer) are used at this way, created from a more feet long water column separation. The present power plant is characterised in the use of the high kinetic energy from a high velocity returned water column mass, obtained from large implosions, from created Water Column Separation WCS or condensation induced waterhammer. A phenomenon described by Joukowski, a Russian scientist.

Explaining of the phenomenon:

When a valve suddenly closes in a pipe with a flowing liquid, the liquid column leaves the valve, as a floating piston, a vacuum space is created.

A part of the liquid evaporate, according to the pressure and temperature, and short after condense, the liquid column mass is then accelerated at a higher value in the opposite direction and create a very high pressure and kinetic energy.

Water Column Separation is a term, the liquid can be anything else.

The pressure at the valve from the returned water column is high due to JoukowskPs formula, Pmax = p x c x v where "p" is fluid density and "v" is water column velocity and "c" represents the speed of sound in water, about 4300 fps. In the literature about the WCS is mentioned that the overpressurization can be 10 to 100 times greater, than that caused by a steam flow driven waterhammer.

Disclosed is a Power Plant with means for creating high pressures* from a low- pressure source.

A long rigid drive pipe, with a riser pipe with an one-way valve for pressurized water, a quick closing valve, a riser pipe with an one-way valve for high pressurerized water. The low pressure sources, a water head or a pump accelerates water through the drive pipe. A quick closing valve interrupts the flow in pulses. When the valve closed, a higher pressurized water parses the riser pipe upstream the valve and a very high pressurized water parses the riser pipe downstream the quick closing valve. The parts upstream the quick closing valve forms an ordinary ram pump stage. The parts downstream the quick closing valve forms a new novel high pressure stage.

A timer or flow velocity device is provided to open/close the quick closing valve to re-establish water flow in the drive pipe. The pressurized water powers turbines/ generators, or other hydraulic equipment.

A power plant formed in accordance with the invention has a number of advantages:

Since the kinetic energy obtained at this way is very high, therefore the efficiency for a given dimension of plants is improved. As a result, lower plant costs.

The efficiency for a given amount of propulsion water is improved.

The efficiency for low water head resources is improved.

The over all efficiency is very high. The efficiency in stage 1 is well known from ram pumps, about 80% at 50-60 pulses per minute, plus the effect from stage 2.

The effect of stage 2 is unknown.

The possibilities for use in streams and above streams are improved, as the flow velocities necessary for creating WCS are low. The possibilities for different propulsion plants using WCS are improved.

The possibilities for construction of big plants by varying the dimensions and the number of the conduits, and plants in parallel.

The possibilities for the use of more quick closing valves, with the same opening pressure, instead of one big valve. The possibilities for a compact power plant, as the pipes can be coiled. Some of the other objects for exploitation of the power from WCS:

An object of the present invention is to providing an inexpensive two-stage hydraulic ram pump for different liquids and high-pressure purposes. For desalination plants, reversed osmosis plants. For very high pressure plants, more plants can be serial cubled.

An object of the present invention is a high-pressure oil pump, a hydraulic pressure multiplier.

As seen in fig. 1 , where stage 1 is similar as an ordinary ram pump and where stage 2 is a WCS stage. As the efficiency in stage 1 is well known from ram pumps, about 80%, is the overall efficiency very high.

Another object of the present invention is high press 2 stage air pumps or compressors, where the air is taken out from the top of the air/ watertanks.

Another object of the present invention relates to providing a ram pulse waterjet where the high velocity water, from a WCS is lead out through nozzles.

Another object of the present invention is to providing an engine where a stopping or turning piston acts as a quick closing valve for receiving of a high velocity returning liquid column mass.

Another object of the present invention is to providing a wave power plant at sea surface, where incoming waves are the propulsion water. By a kind of flexible hoses or intakes is it possible to place the plant floating above the surface and ashore. Another object of the present invention is providing a pile hammer, where the piles are closed end pipes with a steam hose ending in a pipe with a one- way valve, in the bottom of the pile. For to create a large steam bubble and implosion. Or a pile hammer with a close-end pipe attached to a solid pile.

One embodiment of the invention, a hydropower plant, will now be described with reference to the accompanying drawing fig. 1.

The invention shown in fig. 1 , concerns the water ram technology (stage 1) and the new technology (stage 2) and the combination of the said technologies, (stage 1 and 2 ). The pressurized water down stream the valve is created by large implosions from Water Column Separations, or condensation induced waterhammer.

Pos. 1 is propulsion water, pos. 2 a propulsion water line, pos. 3 a riser line for the low-pressure turbine/generator. Pos. 4 a riser line for the high-pressure turbine/ generator. The valves V 1 , V3 are adjustable one-way valves, per-set for the water head pressure. The valve V2 is a quick closing valve, adjusted to close at the optimal flow velocity.

Pos. 5 are air/ water tanks for continue water flow to turbines/ generators. Pos. 6 and pos. 2 are long rigid pipes.

For some purposes, the propulsion waterline can be feed from another pump,

The sequence: 1. The pre-set valves V 1 and V 3 are closed and valve V 2 is open.Water is flowing through the propulsion water line. 2. At full flow, the Valve V 2 closes. The valve V1 opened and the air/ water tank (5) receives the ordinary waterhammer, and the low pressure turbine/ generator receives a continue water flow through the line (3).

3. Short after the valve V2 closes, reseives the said valve (V2) the WCS Waterhammer, from the returning high velocity mass of water from the pipe down stream the said valve (V2).

The valve V3 opened and the air/ water tank (5) receives the WCS waterhammer, and the high-pressure turbine/ generator receives a continue high-pressure water flow through the line (4).

4. The valve V 2 opens again and the sequence continues, repeats the power generation steps.

Claims

1. A power plant with means for creating high pressures, from a low pressure source, as in fig.1 , comprising:

A long rigid drive pipe (2,6), with a riser pipe with an one-way valve (V1) for pressurized water, a quick closing valve (V2), a riser pipe with an one-way valve (V3) for high pressurized water. The Pressurized water pass through air/ water tanks (5), through riser pips (3) to turbines/ generators.

A valve (V2) controlled by a timer or flow velocity interrupt a flow in the drive pipe (shown by the arrows) to thereby create positive pressures upstream the quick closing valve and downstream the quick closing valve.

Power plant, turbine, piston engine, pump, waterjet or other kind of engine known to-day and in the future Characterised in using the kinetic energy from the returned high velocity liquid column mass obtained from created water column separation, or Condensation induced waterhammer.

2. A power plant or engine or other arrangement according to claim 1 , Characterised in comprising means for conscious creating kinetic energy from a returning high velocity liquid column mass, due to the phase shift steam/ water in a water column separating process.

3. A power plant according to fig. 1 , Characterised in using the high hydraulic positive pressure gradient, the high kinetic energy, obtained upstream of the quick closing valve V 2, and obtained downstream of the quick closing valve (V) 2, when the valve sudden interrupt the liquid flow.

4. A plant or machine Characterised in using an injected steam bobble in a liquid for to create water column separation. For to create kinetic energy from a returning high velocity liquid column mass.

5. A 1 stage WCS pump, where a priming pump feed directly into the quick closing valve (V2) fig. 1.

6. A 2-stage pump (fig. 1 ), where stage 1 is similar as an ordinary ram pump and where stage 2 is a Water Column separation stage.

7. A 1 stage WCS air pump, where a priming pump feed direcly into the quick closing valve (V2) fig. 1.

8. A 2 stage air pump or compressor as in fig. 1 , where air is added and, taken out from the top of the air/ water tanks (5). Another pump can feed the plant.

9. A plant, a pipe arrangement where one or more valves are couple for to create higher pressures, by means of Water Column Separation.

10. A reverse osmosis plant comprising: filter, one or more Water Column Separating pumps, membranes, and post treatment.

11. A Vave Power Plant as in (fig 1)., where incoming waves are the propulsion water. By a kind of flexible hoses or intakes is it possible to place the plant floating at the surface, above the surface and ashore.

12. A pile hammer, according to claim 4, where the piles are closed end pipes with a steam hose ending in a pipe with a one-way valve, in the bottom, of the pile. For to create a large steam bubble and implosion. Or a pile hammer with a close-end pipe attached to a solid pile.

13. A water cannon utilize ultra high pressure to propel a collimated beam of water, other liquid or missiles at high speeds, at great distances. Ultra high pressure is achieved by created water column separation or condensation induced waterhammer. As in stage 2. fig. 1.