Energy

When they say “energy”, most people immediately think of power lines, turbines, and nuclear power plants. But for those in industry, this word often sounds with a taste of iron, grease and constant struggle with efficiency. My understanding was formed not in offices, but at sites where generation is just the beginning of the journey. The main question: how to deliver this energy to the actuator with minimal losses? This is where the real work begins, and where the main misconceptions lie. Many people think that by purchasing a modern engine, all problems have been solved. In fact, inefficient transmission of torque, non-optimal operating modes, wear and tear - these are the holes through which megawatts leak, turning into banal losses.

From generation to implementation: where the essence is lost

I've worked on different projects, and often you see the same picture: a shiny new electric motor connected to an outdated, let's say, mechanical part. All attention and budget went to the “heart” of the system, and to the “ligaments and joints” - on a residual basis. This is especially critical in the mining industry. A crusher or separator can consume enormous power, but if the drive unit is not selected correctly, you will literally burn energy for nothing, converting it into vibration, heat and noise.

I remember one incident at a processing plant. The task was to increase the productivity of the line. Engineers increased the power of the drive motors. Result? Consumption growth by 30%, and the increase in delivery is a pitiful 5%. They began to figure it out. It turned out that the problem was in the gear system and in the settings of the technological cycle itself. The equipment did not work in its optimal mode; in other words, it “teared” from the place where it could have been “rolled.” It is a classic mistake to treat the symptom rather than the cause. Energy here is a complex, a system.

It is in these bottlenecks that the work of companies that understand this connection becomes invaluable. Here, for example,LONGI Corporation(official resource -https://www.ljmagnet.ru). They have been in the field of mining equipment since 1993. For them, energy is not an abstraction, but the specific efficiency of a separator or the reliability of a crusher drive. Their approach is to design equipment as a single organism, where the electrical and mechanical parts are designed for each other. These are not just words. When you see their production site in Fushun, with its scale and more than 1,200 employees, most of whom are engineers, you understand that they think here in technological cycles, and not in individual units.

Magnetic separation: clean energy

Let's take a specific example - magnetic separators. It would seem that what is so difficult here? A magnet attracts iron. But from an energy point of view, this is a very delicate story. Permanent magnets are, conditionally, 'free' field energy. But modern high-intensity separators, especially for fine enrichment, often use electromagnets. And here the balance is colossal.

Field strength, its configuration, coil cooling, power stability - all this directly affects the purity of the product and the kilowatt-hours. Insufficient field - we lose a useful component, too strong - we 'take away' waste rock, increasing the load on the next stage of processing and wasting energy uselessly. Tuning is always a compromise based on analysis of the specific ore. There are no universal recipes.

LONGIjust one of those who knows this in practice. Their product range includes different types of separators. And when they talk about development, they also mean built-in energy efficiency. For example, the design of a magnetic system that creates the desired field configuration without excess copper consumption and, therefore, without unnecessary losses in copper and steel. This is the very 'cycle optimization' I was talking about. Their annual production of 4,000 units of equipment suggests that such solutions are in demand by the market, which has long considered not only the cost of the machine, but also the cost of its life cycle, where energy is a key item.

Drive technology: between shaft and gearbox

Another layer is drives. Frequency converters are the norm today. But their implementation is also not a panacea. I’ve seen situations where emergency situations were put in “for show” without re-calculating the mechanics. The engine starts running at low speeds, but high torque is needed. And if the gearbox is not designed for such a mode, the efficiency of the entire system drops catastrophically. The savings on electricity went into the frequency generator, and then they paid exorbitant prices to repair the gearbox or replace the couplings.

A comprehensive delivery or, at a minimum, competent engineering is important here. A company that produces its own heavy equipment is forced to delve deeply into these issues. They cannot sell a crusher that will shut down the shop every three months due to drive failure. Therefore, their design bureaus necessarily study these components, often offering a “boxed” solution - engine + gearbox + control system, selected and tested together.

This is about the issue of professional education of more than 60% of the teamLONGI. This is not just a number in a report. This means that in production and in the design bureau there are people who can simulate the load, calculate thermal conditions, and select protection. This prevents those very “childhood diseases” of new equipment, which the customer usually solves with his experience and his money.

System view and 'non-electrical' losses

Often the greatest reserves lie outside the purely electrical part. Let's say transporting material. The non-optimal geometry of the tray, due to which ore falls from a great height and hits the walls, is a loss of potential energy, which will then result in increased wear and unnecessary work of the crusher at the next stage. Or the leakage of pneumatic transport - you pump air with a compressor, waste energy, and part of the payload settles in unnecessary places.

A good mining equipment designer always looks at the whole flow. The energy of the process begins with the excavator bucket loading the dump truck and ends with the stockpiling of the concentrate. And in this chain there are dozens of points where you can either save money or waste it ineptly.

In my opinion, this is the strength of large full-cycle manufacturers. Situated on an area of 140,000 m2,LONGI Corporationhas the opportunity not only to assemble machines from components, but to work out these technological chains and test the interaction of units. They can afford to think not about individual sales, but about how their equipment will behave in the real customer circuit. This is the same systematic approach toenergyproduction, which is expensive.

Bottom line: energy as an indicator of production health

So why am I doing all this?Energyin industry it is not a separate branch, but the blood in the body of production. Based on its 'analysis' - specific consumption per ton of product - the health of the entire enterprise can be accurately diagnosed. The fight for efficiency is not about installing energy-saving light bulbs in the workshop (although this is also necessary). This is about revising old regulations, about auditing all transmission links, about smart selection and configuration of equipment.

Experience, including negative ones, shows that targeted measures give targeted results. The real effect comes when a problem is tackled by a team that sees the process inside and out. Like the same engineering team in Fushun that can design, manufacture and, importantly, justify why their magnetic separator or drive system will consume less for the same performance.

Therefore, when I hear “energy”, I don’t think about gigawatts on the grid, but about thousands of tons of ore processed with the right balance of costs, about the reliability of equipment that does not stand idle due to breakdowns, and ultimately about the competitiveness of the entire enterprise. This is the practical meaning of this word for those who are 'in the field'. And companies that understand this become not just hardware suppliers, but partners in this complex but necessary optimization.