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11.11.2016  |  18343x
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Glatt explosion-proof spray nozzle for fluidized and spouted bed
Glatt explosion-proof spray nozzle for fluidized and spouted bed

Explosion-proof spray nozzle

for cleaning in running fluid bed operations

With Glatt Ingenieurtechnik’s newly developed spray nozzle device, the inner tube can be removed and cleaned safely while the process is still running.

When it comes to spray granulating, spray agglomerating or spray coating and drying food ingredients by fluidized or spouted bed technology, spray nozzles play a key role in quality control. With its hygienic, explosion-proof removable spray nozzles for the food and pharmaceutical industries, particle design specialist Glatt Ingenieurtechnik sets new standards in process safety and plant availability.
If unexpected quality issues arise during the fluidized bed process, such as particles becoming too large or coarse, it might be because of a change in the nozzle spray pattern. Sticky or crystallizing spray fluids such as salts or sugar may induce fluctuations in the spray pattern, and also hygroscopic products which sometimes remain in the plant during downtime.
A spray unit consists of a fluid-carrying inner tube and an outer tube that supplies gas or compressed air. Both are grounded by an easily detachable connection. For safety reasons, when cleaning the spray nozzles, the inner tube with the fluid nozzle must not be removed from the spray lance until the compressed air supply is stopped.
Usually additional arrestor wires or chains have been used as a safeguard against unauthorized disassembly during operation. Safety is only provided when arrestor wires or chains are fixed. Depending on the plant size and layout, spray units may be positioned at head height, which means that, without a safety catch, there’s a very real chance of operator injury. Furthermore, the spray unit could also be damaged.

Glatt novelty with industrial property right application

The new “key and lock” solution from Glatt Ingenieurtechnik consists of protected recesses and catch pins that secure the inner tube, eliminating existing risks completely. Even if the operator omits to turn off the compressed air, the inner tube will still be retained. Only when the air supply is turned off can the tube be released, by lifting and rotating the nozzle. Due to the very small opening in the empty outer tube, it’s not longer necessary to stop production, even when processing explosive products.

Continuous production: no downtime

Continuous fluidized and spouted bed facilities with multiple spray nozzles proceed with the same product quality and plant safety. The new nozzle device decreases plant downtime, increases personal, operational and occupational safety, and reduces possible operating errors. In addition, the empty outer tube can be washed immediately during the cleaning process. With its explosion-proof nozzle, Glatt Ingenieurtechnik offers new and existing customers a hygienic retro-fit-compatible component that is easy to operate and clean.

Company information

Glatt Ingenieurtechnik GmbH
Glatt Ingenieurtechnik GmbH
Glatt is specialized in intelligent particle design for the generation and functionalization of powders and granulates with defined, adjustable properties. The focus is on particles and powders for pigments, catalytic, ceramic or battery materials as well as for granules and pellets as additives for e.g. industrial salts, detergents and cleaning agents, fertilizers, pesticides, food, feed, dietary supplements and pharmaceuticals. Encapsulation of flavors, enzymes, vitamins, microorganisms, probiotics or fatty acids (PUFA) is just as possible as encapsulation of essential oils and other active, sensitive substances to be protected. With Glatt APPtec®, a unique technology for spray calcination, it is possible to generate, coat and then calcine particles in a pulsing hot gas stream in a single process step. As a pioneer in fluid bed and spouted bed technologies, Glatt masters these important processes for the formulation and optimization of particle properties through defined spray agglomeration, spray granulation, spray coating or (micro)encapsulation as well as through combinations of these processes. Also in the high temperature range. Glatt supports the product idea from the early phase of product formulation through process development to scale-up to production scale. Under the leadership of the Glatt Process & Plant Engineering teams, customized production plants for nutrition, fine chemicals, pharmaceuticals, and biotech applications are successfully planned and commissioned. Worldwide. Whether based on powder synthesis, fluid bed or spouted bed technology, Glatt also offers certified contract manufacturing for customers without their own production capacities.
Last update: 27.02.2024

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