WO2020009557A1

WO2020009557A1 - System for producing electrical energy

Info

Publication number: WO2020009557A1
Application number: PCT/MA2018/000016
Authority: WO
Inventors: Yassir MARRAKCHI; Valter GUIDUCCI
Original assignee: Maroc Conteneurs Internationales
Priority date: 2018-07-03
Filing date: 2018-10-26
Publication date: 2020-01-09
Also published as: MA42858A1

Abstract

The present invention relates to an installation for producing energy, the method of operation of which operates in closed-circuit, comprising a wheel (2) which converts the energy supplied by the air compressor (1) into mechanical energy transmitted to a speed-multiplying transmission system (3), such as a set of gear wheels, belt and pulley, in order to increase the rotational speed from 100 rpm to 1500 rpm so as to spin an alternator (4) which, in its turn, converts the mechanical energy into electrical energy to power the pumps (5) to spin the turbines (9) which converts the energy supplied by the falling water into mechanical energy transmitted to a belt and pulley or gearset or else multiplier transmission system (10) in order to increase the rotational speed from 50 rpm to 1500 rpm so as to spin connected alternators (11) with a total power of 600 kVA to 2500 kVA.

Description

Electric power generation system

General framework of the invention:

Field of the invention:

The invention relates to the field of energy production, more particularly that of electricity.

The present invention is an energy production installation, with a power of less than 5,000 kW in a 20-foot mobile container, between 5,000 and 10,800 in a 12 m container, between 10,800 KW and 16,000 KW in a container 13m60. Transforming the pneumatic energy of an air pressure and the hydraulic energy of a watercourse into electrical energy.

We classify the Energy production facilities according to the installed power and we speak of:

• Energy production installation with a power between 20 KW and 120 KW for domestic use.

• Energy production installation with a power between 130 KW and 1000 KW for multiple use

Energy production facility greater than 1100 KW for use

Industrial. We will use two pumps to drive the turbine, one horizontal of 1001 / s and the other of 80 l / s vertical

11.2. State of the art:

The present invention relates to an energy production installation comprising a 430 atm air compressor, a wheel connected to a transmission system, connected to an alternator for actuating the pumps. A water tank and penstocks by means of water pumps for the flow of water to a recovery tank, two turbines connected to transmission systems, connected to alternators which transform mechanical energy into energy electric. Missions and objectives:

The energy production installation according to the invention has the advantage of allowing the availability of energy and its use on demand.

Another advantage of the device is that it uses proven technologies, therefore very reliable, whose investment costs can be fairly quickly amortized.

Description and assembly of the invention:

Description

Figure 1 is a block diagram of the invention

As shown in Figure 1 comprises an air compressor (1) and a wheel (2) connected to a transmission system (3), connected to an alternator (4) which actuates the pumps (5). A tank (6) and a penstock (7) for the flow of water to a recovery tank (8), at least one turbine (9) connected to a transmission system (10), connected to an alternator (11) which generates electrical energy.

According to the invention, the supply means is of the pneumatic type comprises an air compressor, a wheel connected to a chain transmission system connected to an alternator which converts mechanical energy into electrical energy.

By autonomous energy source must be understood an energy producing unit enabling the pumps to be actuated. A tension system can supply electric water pumps for the delivery and aspiration of water.

An electric cabin (12) which controls the electrical energy production system Fig.l comprises an ampere meter, a wattmeter, a manometer, a tachometer, a voltmeter, a circuit breaker, for controlling the pressure, speed, temperature of voltage and current intensity. The invention is installed in containers in two stages R and R + l, in the outer part of the container R + l is placed the turbines which are connected with the transmission systems by means of a transmission axis the latter are connected to alternators, the voltage system to activate the pumps. The water tank and the pumps are placed inside the container R, the latter is equipped with a cooling system to prevent the pumps from overheating.

According to an advantageous embodiment of the invention, has the following characteristics:

-A tension system to activate the pumps

- Pumps from 25 l / s to 1001 / s with a water speed of 30 km / h up to 60 km / h at the outlet.

- The storage tank (Cistern)

- Water recovery tank

- Water turbines.

- Transmission system (Multiplier).

-Alternators which rotates at a speed of 1500 rpm.

- the injection of water by means of adjustable pressure pumps in the penstock allows the turbine to rotate with 50 rpm, the latter drives the large wheel of the transmission system which rotates at the same speed, the transmission pulley belt increases speed to 1500 rpm thanks to the multiplication ratio of 30, the small pulley transmits a rotational movement of 1500 rpm to the shaft of the electricity generator which transforms mechanical energy into energy electric. Of course, the invention is not limited to the embodiments described and shown by way of examples, but it also includes all the technical equivalents and their combinations.

The different components of the invention

The invention is composed of three main elements:

- supply and loading structures (penstock),

- production equipment (turbines, transmission system, generators),

- restitution works.

The intake and loading structures

A penstock most often made of steel or polyethylene supplies water to the turbine.

Production equipment

A turbine, like the paddle wheel of a mill, transforms the energy supplied by the waterfall in rotation of 50 rpm. A transmission system, like the gears, pulley belt, increases the speed to 1500 rpm to rotate an alternator at 1500 rpm which transforms mechanical energy into electrical energy. It is generally a synchronous alternator.

An evacuation line transports the electrical current produced, either to an interconnected network or to an isolated network.

Restitution works

Turbine water is returned to the tank through a return channel. Assembly

The assembly, which we have chosen for the structure, plays a very important role in our design; because it will allow us to have both efficiency and rigidity, it will also allow us to transport and dismantle the structure easily. Installation for domestic use

-Turbine (Wheel) -Figure 2

To build the turbine we opted for Aluminum as the construction material the goal being to lighten it to have the adequate speed. To do this we assembled two identical wheels of 1900mm in diameter spaced by a distance of 160mm on the same axis. Each wheel is made up of 32 square 35x35 aluminum tubes of length 950mm, uniformly distributed in a circular fashion around three circles made of aluminum sheet with a diameter of 800mm. Between two tubes of each wheel is fixed a plate of 210mmx200mm which will play the role of propellers for our turbine thus guaranteeing the resistance necessary to support the water pressure.

The propellers of the turbine having a shape make it possible to amplify the pressure which is exerted on said propellers.

Table 2: Dimensions of the flanges

Table 3: Dimensions of the Rods

Table 4: Dimensions of the blades

Transmission system - Figure 3

For the assembly of the multiplier we first built 10 gears "1500mm, 300mm, 1200mm, 300mm, 900mm, 300mm, 200mm" each two gears are connected to each other by a roller transmission chain, to do this we assembled the first gear of 1500mm in pitch aluminum diameter with another of 300mm on two axes of 60mm in diameter

spaced 50mm horizontally, the two gears are connected with a 950mm long roller transmission chain, a 200mm gear is mounted on the same axis as the 300mm gear to ensure the transmission of the rotational speed, the same assembly was made for the two gears of 1200 mm and 300 mm connected with a roller transmission chain of 800 mm in length, and a 650 mm chain for the gears of 900 mm and 300 mm, the latter is fixed on the alternator drive shaft by a chain. We can also use a gear transmission system using a gear train with a multiplication ratio of 30 to do this the first gear train contains a gear 1500mm in diameter and another 300mm in diameter second gear gear contains a gear, of 600 mm in diameter mounted on the same transmission axis as the gear of 300 mm, the other is 100mm in diameter which gives a multiplication ratio of 30.

Table 5: 1500 mm gear

Table 6: Gear 1200 mm

Table 7: Gear 300 mm

Table 8: Gear 900 mm

Table 9: Gear 200 mm

Table 10: Roller drive chain Drive shaft -Figure 4

The connection between the turbine and the transmission system is provided by a transmission shaft.

The choice of the latter is only made after calculation of the resistance of the materials, in this sense we chose a stainless steel transmission shaft 60 mm in diameter, at the ends of this tree we welded a square tube of 200x200 * 2 removable. Subsequently and to fix the drive shaft we weld pieces of stainless steel 5.3 mm thick and 37 mm long (figure s) and we cut in the center of the turbine and in the center of the first gear of the system of transmission a square of 201x201 history to allow the passage and the fixing of the tube already welded on the transmission shaft. To fix the transmission on the container, we have reinforced the two side walls using 5mm thick sheets. Rotational guidance is achieved by means of 4 ball bearings, two between the turbine and two between the transmission wheel.

Table 11: Transmission shaft between the turbine and the transmission system

Table 12: Square tube

Table 13: Bearing

Multi-use installation

Turbine (Wheel)

We assembled two identical wheels of 3000 mm in diameter for an installation between 150 KW and 400 KW and four identical wheels of 3200 mm of diameter for an installation between 400 KW and 600 KW spaced by a distance of 160mm on the same axis.

Each wheel is made up of 32 square tubes 46 of 3 mm which enters a square tube 40 of 3mm in aluminum of length 1500mm uniformly distributed in a circular manner around two or four circles depending on the power of the installation, for the circles we used the 800mm diameter aluminum sheet. Between two tubes of each wheel is fixed a plate which will act as propellers for our turbine thus guaranteeing the resistance necessary to support the water pressure.

Table 14: Turbine size

Transmission system

For the transmission we used the same transmission system for all the installations - See Figure 3

Drive shaft

The connection between the turbine and the transmission system is provided by a transmission shaft. The choice of the latter is only made after calculation of the resistance of the materials, in this sense we chose a steel transmission shaft stainless steel 80 mm in diameter, at the ends of this tree we weld a removable square tube of 200x200 * 2. Subsequently and to fix the drive shaft we weld pieces of stainless steel 5.3 mm thick and 37 mm long and we cut in the center of the turbine and in the center of the first gear of the transmission system a square from 201x201 story to allow the passage and fixing of the tube already welded on the transmission shaft, for fixing the transmission on the container we have strengthen the two side walls using sheets of thickness 5mm The guiding in rotation is produced by 4 ball bearings, two between the turbine and two between the transmission wheel.

Table 15: Transmission shaft between the turbine and the transmission system

Table 16: Square tube

Table 17: Bearing

Installation for industrial use

Turbine (Wheel)

We have assembled four to six identical wheels of 3200 mm in diameter spaced by a distance of 160mm on the same axis. Each wheel is composed of 32 square tubes 46 of 3 mm which enters a square tube 40 of 3mm in aluminum of length 1600 mm uniformly distributed in a circular manner around the circles, for the circles we used the aluminum sheet of diameter 800mm. Between two tubes of each wheel is fixed a plate which will play the role of propellers for our turbine thus guaranteeing the resistance necessary to support the water pressure.

Transmission system

Drive shaft

The connection between the turbine and the transmission system is provided by a transmission shaft. The choice of the latter is only made after calculation of the resistance of the materials, in this sense we chose a stainless steel transmission shaft 100 mm in diameter, at the ends of this shaft we welded a square tube of 200x200 * 2 removable. Subsequently and to fix the drive shaft we weld pieces of stainless steel 5.3 mm thick and 37 mm long and we cut in the center of the turbine and in the center of the first gear of the transmission system a square from 201x201 story to allow the passage and fixing of the tube already welded on the drive shaft. for fixing the transmission on the container we have reinforced the two side walls using sheets of thickness 5mm. Rotational guidance is achieved by means of 4 ball bearings, two between the turbine and two between the transmission wheel.

Table 15: Transmission shaft between the turbine and the transmission system

Table 16: Square tube

Table 17: Bearing

Alternators and electrical components

The alternator will have a speed of 1500 rpm at its input which will be converted to electrical power. The alternators were fixed on a 5mm stainless steel sheet with safety bolts to avoid vibration of the alternators.

Tension system

The transmission system contains an air compressor of 500 bar, a wheel set in motion with a rotation speed of 100 rpm by air pressure, to do this we assembled two flanges one of 1800 mm in diameter and 3mm thick

the other of 1900 mm and 1.5 mm thick, spaced by a distance of 140 mm on the same axis. Each wheel is made up of 40 square 30 x 30 aluminum tubes of 950mm in length, uniformly distributed in a circular fashion around the two flanges. Between two tubes of each flange is fixed a plate of 150mmxl00mm which will play the role of propellers for our wheel thus guaranteeing the resistance necessary to support the air pressure.

the wheel rotates the axis on which it is fixed, the latter drives a wheel with a diameter of 1500 mm with the same speed, the large wheel with a diameter of 1500 m is connected with a small pulley of 100 mm fixed on the shaft transmission of the alternator with a V-belt to increase the speed of rotation to 1500 rpm, the small pulley drives the magnetic rotor which, in contact with the copper coil, produces a current to activate the equipment that requires energy electric at start-up.

• Speed multiplier assembly

The assembly of the multiplier for the tension system we first built the large pulley, to do this we assembled two identical hollow aluminum wheels of 1500 mm in diameter spaced by a distance of 40 mm on the same axis. Each wheel is composed of 16 square 40x60 aluminum tubes of 750mm length uniformly distributed in a circular manner around two circles in aluminum sheet with diameter 800mm thereafter we connected the large pulley with a small pulley of 100 mm outer diameter fixed on the transmission shaft of the alternator 42 in diameter by a V-belt which ensures the transmission.

Claims

claims

1- The renewable energy production system - Figure 1 whose process operates in a closed circuit includes an air compressor (1) and a wheel

(2) connected to a transmission system (3), connected to an alternator (4) which actuates the pumps (5), a cooling system is installed to prevent the pumps from overheating. A tank (6) and a penstock (7) for the flow of water to a recovery tank (8), at least one turbine connected (9) to a transmission system (10), connected to an alternator (11) which generates electrical energy.

2- According to the preceding claims the electrical energy production system Fig-1 characterized in that at least one voltage system (E-Fig.

5) or a generator to power the device to start it.

3- According to claim 1 the electrical energy production system Fig-1 characterized in that the transmission system comprises at least 6 gears for the multiplication of the speed and for making the connection between the turbine shaft and the axis of the generator.

4- According to the preceding claims the electrical energy production system Fig-1 characterized in that at least one generator will provide current to the hydraulic system.

5- According to claim 1 the electrical energy production system Fig-1 characterized in that the cooling system will be installed on the container R + l to avoid overheating of the pumps.

6- According to the preceding claims the electrical energy production system Fig.l characterized in that said electric cabin (12) which controls the electrical energy production system comprises an ampere meter, a wattmeter, a pressure gauge, a tachometer, voltmeter, circuit breaker, for control of pressure, speed, temperature of voltage and current intensity.