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Home anvil. Tips for the home master

Builder, home master

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Everyone who makes something from metal needs a home anvil. But where can I get it? It turns out that it can be made from a piece of an old rail.

It is enough just to cut off unnecessary sections with an autogenous, giving the workpiece the necessary shape, and you can get to work.

home anvil

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Latest news of science and technology, new electronics:

Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

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Energy storage in red-hot graphite bricks 03.07.2021

Building solar and wind power plants is now cheaper than building coal ones, but it is still difficult to ensure a continuous cycle of operation of stations using renewable sources. Two American companies have proposed storing energy by heating bricks made of conductive materials to thousands of degrees Celsius. At night and in calm weather, hot bricks will participate in the generation of electricity and this is cheaper than using batteries.

Established in 2018, Antora Energy recommends the use of graphite thermal storage bricks. Actually, the industry already produces such graphite blocks in huge volumes in the form of electrodes for steelmaking and chemical enterprises. In this regard, you do not need to invent anything. To accumulate energy, an excess electric current is passed through the graphite bricks in the block and they heat up to 1500 ° C. The secret lies in how to turn heat back into electricity.

To generate electricity from stored heat, Antora Energy developers proposed a thermophotovoltaic method. Photo sensors operating in the infrared range capture thermal radiation from bricks and convert it into electricity. Thanks to the new semiconductor materials III-V groups of the periodic table, which replaced the classical semiconductors, the efficiency of the installation reaches 30%, which is very, very good. Using heat in this way keeps the efficiency high over the entire temperature range of the heat storage, whereas a steam turbine in a similar arrangement would get worse and worse as the unit cools.

The density of energy storage in graphite blocks is comparable to that for lithium-ion batteries and is several hundred kilowatt-hours per cubic meter, which is hundreds of times higher than hydrostorage or gravitational storage. Ideally, developers aim to reduce the cost of renewable energy storage to below the cost of electricity generated by natural gas power plants. This mark is at the level of $10/kWh.

Lithium batteries cost $140/kWh to operate and are expected to drop to $20/kWh after 2030. Thermal storage units will be cheaper to operate much sooner. The Antora Energy pilot plant is due to be built in 2022. The money was allocated by the state and private investors.

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