Spray Engineering Devices

Spray Engineering Devices: The Business Today, and the Business Being Built Spray Engineering Devices Limited (SED) is at an inflection point that is easy to miss if you only read the financials. For three decades it has made money one way. It is now attempting to make money a second, structurally different way. Understanding the company means separating the two clearly. PART ONE — WHAT THEY DO TODAY The core idea A sugar mill crushes cane and gets juice that is roughly 85% water. That water must be boiled off to recover sugar. Boiling needs steam, and steam comes from burning bagasse — the fibrous residue left after crushing — in a boiler. The entire business rests on one consequence of that: less steam consumed means more bagasse left over. Leftover bagasse is money. The mill can sell it, or burn it in a cogeneration plant and sell power to the grid. A conventional mill consumed steam equal to about 40–45% of the weight of cane crushed. Using SED's technologies, that has come down to around 27–28% on cane. Power consumption has fallen from roughly 40 kW per tonne to 22–24 kW per tonne, and mills have been run at zero fresh water requirement. SED therefore does not really sell equipment. It sells quantified savings. A mill owner runs a simple calculation: this equipment costs ₹35 crore, but it frees up X tonnes of bagasse and Y units of power every season, so it pays back in roughly three years. That calculation is the sale. Why sugar mills buy from them A mill owner is not buying technology. He is buying three things: Bagasse he can sell. Steam comes from burning bagasse. Use less steam and bagasse is left over — which he sells, or burns in a cogeneration plant to export power to the grid. That is new revenue from the same cane. Payback on the equipment typically runs two to three years, which is why this is a straightforward commercial decision rather than a technical one. Room to make ethanol. This is the bigger reason today. Mills are diverting juice and syrup into ethanol because blending demand is strong. But a distillery needs energy, and the mill only has so much bagasse. Making the sugar house more efficient frees up the fuel to run the distillery. Energy efficiency has quietly become the thing that decides how much ethanol a mill can produce. More crushing without a bigger boiler. A season runs only about 150 days. If a mill wants to crush more cane, the usual answer is a costly boiler and cogen upgrade. Cutting steam demand gets similar headroom for far less capital, and can be retrofitted into an existing plant between seasons. Water is the fourth benefit and increasingly a requirement rather than a bonus. Cane is roughly 70% water; captured and reused properly, that water runs the whole plant, and mills have been operated with zero fresh water intake. Why water treatment customers buy from them Completely different logic, and worth separating. They largely have no choice. Distilleries and many industrial plants are under zero liquid discharge mandates. Discharging effluent is not an option, so treatment is a licence-to-operate cost, not an investment decision. That makes this demand far steadier than sugar capex, which rises and falls with the crop cycle. The conventional method is expensive to run. Evaporating effluent the normal way means a boiler burning fuel every day, forever. SED's Low Temperature Evaporator uses a compressor and electricity instead, with no boiler, turbine or cooling tower required — lower running cost and no fuel handling. The trade-off is that the customer's economics now depend on the power tariff rather than the fuel price. They get their water back. Up to 99% of the effluent returns as clean water the plant can reuse — which in water-stressed industrial belts is worth as much as the compliance itself. It installs fast. These orders are executed in about 60 days versus five to six months for a sugar project, so a plant facing a compliance deadline can actually meet it. The product lines Sugar process equipment. Evaporators, crystallizers (spray continuous pans), condensers, condensate flashing systems, refining trains and automation systems. This is the core machinery inside a mill. LTE — the Low Temperature Evaporator. The flagship, and the technical differentiator. Built on mechanical vapour compression, it recovers up to 99% clean water from effluent without a boiler, turbine, cooling tower or condenser. The MVR principle is worth grasping because it explains the whole edge. Normally the vapour coming off an evaporator is waste — you condense it and discard the heat. MVR compresses that vapour and feeds its heat back into the same process. You are recycling energy rather than generating it, so no external fuel is needed — only electricity for the compressor. Boilerless jaggery. A gur production unit producing solid, semi-solid, powder and cake forms, fully designed, erected and commissioned by SED at Mornisa Bio-Organics in Chalisgaon, Maharashtra. Small today, but it applies the same steam-saving logic to a decentralised rural market. Where the moat sits The technical base is real: over 100 patents in sugar and allied sectors, all directed at reducing steam requirement, supported by around 60 research and design engineers who have worked on this for 20–25 years. But the durable moat is commercial. A mill owner needs a guaranteed steam number. A mill runs perhaps 150 days a year; if unproven equipment underperforms, an entire crushing season is compromised and there is no second attempt. Nobody takes that gamble to shave capex. This is why validated vendors get the next order, and the next — the patent base translates into repeat business from sugar, jaggery and water treatment customers. How the operation is structured Three manufacturing units in Baddi, Himachal Pradesh, with corporate offices in Chandigarh and Mohali. Design happens at Mohali, fabrication at Baddi, then erection and commissioning at the customer's site. Two wholly-owned sub