Dimple plate

Dimple plate instead of heat exchanger tubes in industrial applications

A Dimple plate has certain technical and economical advantages in many applications over conventional tube heat exchangers. Out of the calculations or simulations, the resulting design is based on decades of our experience and advanced Computational Fluid Dynamics (CFD). Especially with regard to further optimization of product efficiency or operational safety. These heat exchanger plates are characterized by the wavy “pillow-shaped” surface and fully welded construction. A destinction is made between pillow plates profiled only on one side. In this case a thinner cover sheet is welded to a thicker base sheet. Pillow plates profiles on both sides are manufactured out of two sheets of equal thickness welded together.

Double embossed Dimple plate

Double embossed Dimple plate

Single embossed Dimple Plate

Single embossed Dimple Plate

Optimal solution with dimple plates based on the customer’s data and requirement

Based on the customer’s data and requirements, our experienced project engineers work out thermodynamically and fluidically optimal solutions for the given heat transfer task. The optimum solution is worked out in close cooperation with the plant manufacturer and the operator. Our designers work with modern 2D and 3D CAD programs in order to details, dimension and design the projected solution suitable for production.

The production of the thermally and fluidically optimized dimple plates take place directly at our company on modern laser welding equipment. Dimple plates for special applications can also be resistance welded. The whole manufacturing process is accompanied by our quality assurance, so that high quality of our products is guaranteed. We are able to supply dimple plates and heat exchangers as pressure equipment according to the requirements of the European Pressure Equipments Directive 2014/68/EU, with TR CU certificate for the Eurasian Customs Union and according to the requirements of ASME BPVC.

Our decades of experience with dimple plates and our core competencies

Due to certain serial production with tendency to individual one-off pieces, each of our products built up from pillow plates, no matter wether it is a single dimple plate heat exchanger, or a single laser-welded dimple jacket or pressure vessel wall or an entire heat exchange system , an ice water generating falling-film chiller, a static ice bank or an industrial ice maker, is cost-effectively and individally adapted to the user’s requirements.

Falling Film Chiller

Falling Film Chiller

Industrial ice machine

Industrial ice machine

Industrial ice bank silo

Industrial ice bank silo

Industrial ice bank with double embossed dimple plates

Industrial ice bank with double embossed dimple plates

Industrial heat exchange system with double embossed dimple plates

Industrial heat exchange system with double embossed dimple plates

With the experience gained from many thousands of installed dimple plates, we have acquired special know-how especially in the following areas :

Analysis of pillow-plate solutions in industrial processes

In a first step, we specify the exact plant data together with the customer. We inspect the installation details, the system plans, measurement diagrams, as well as detailed design drawings. Through these insights, we answer the application requirements of any individual application or application detailed questions as such. If necessary, we also collect accurate performance and consumption data over a period of time.

Evaluation step

In a second step, our experts evaluate all collected data. Accordingly, the customer receives our assessment on his project data. Especially with regard to optimizing the efficiency of the specified dimple plate. Also with regard to operational safety and potential energy savings, we give our use case recommendations.

Solution concept and Design

As a result of our analysis, the idea of ​​the dimple plate solution concept and its design takes place. Consequently, we also look after and accompany the customer after delivery. As per our experience, there is a high need in many cases. The main focus is on the optimal efficiency of the dimple plate (author is head of our R&D department) with respect to the guided pathes of the immersion dimple plates.

Plant and energy efficiency

Highest plant and energy efficiency are becoming increasingly important. These can only be successfully achieved, if the plant or product concept, as well as the fluid medium of the pillow plate are carefully and purposefully selected and used. In the change of numerous, alternative refrigerants, these fluids have to meet the future requirements from any ecological point of view. However, our primary task is to specify end products, which achieve high efficiency and high energy efficiency with good economy (author is head of our R&D department).

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