Nozzle Know-how in Global Markets: Düsen-Schlick Engineering

Injection lances for DeNOx systems

(PresseBox) ( Untersiemau/Coburg, )
Schlick offers a wide range of injection lances for the defined introduction of reducing agents for SNCR (Selective Non Catalytic Reduction) and SCR (Selective Catalytic Reduction) processes for the removal of nitrogen from flue gases. In the SNCR process the tip components of the nozzle are made from heat-resistant stainless steel. Because of this the lances can be used for continuous operation in air up to approx. +1,150 °C, and with varying temperatures up to approx. +1,000 °C. As standard, lance systems with tube-in-tube technology are used. This avoids pre-vaporisation in the feed unit and therefore prevents undefined dosing of the reducing agent. In order to increase the operating life of the nozzle tip a protective tube surrounded with low pressure sheath air is recommended. The introduction of the fluid is performed transversely to the flow direction of the exhaust gas. Because of this, forming of the spray jet is necessary to achieve optimum mixing of the reduction agent with the exhaust gas flow. Large duct dimensions, high speed, fluctuating amounts of exhaust gas and turbulent flows require injection lances, which produce average droplet sizes of between 40 to 60 µm and spread this droplet population over a wide area of the reaction chamber. With the two-media nozzle method a carrier gas, which pulverises the reactive agent at the speed of sound at the nozzle tip, breaks up the droplets and therefore accelerates the emerging liquid phase. Two-media nozzles can be designed for internal or external mixing. All NOx lances are equipped with exchangeable nozzle tips. Hence the form of the spray jet can be modified.

Düsen-Schlick is one of the worldwide leading nozzle manufacturers, offering the entire range of services relating to the use of nozzles starting from research and development through to production and service, all from one source. Providing solutions without delay. Trend-setting patents, such as ABC-Technology®, ensure the company's production success in the areas of pharmaceuticals, food as well as industry and plant construction.

Schlick precision nozzles meet the highest nozzle technology standards: Certified expertise in accordance with ISO 9001:2000, the exceptional vertical integration and the in-depth technical knowledge ensure that these standards are met. Düsen-Schlick is synonymous with cost-effectiveness in atomisation technology. The ongoing quality assurance, such as the guaranteed availability warranty, allows for long-term process reliability. "The best solution for the individual requirement" is the company's guiding principle. Düsen-Schlick is the specialist in the development, manufacturing and selling of nozzle technology, regardless of whether it is individual components, small series or standard parts. Precision manufacturing along with development expertise guarantees the customers' success. Düsen Schlick means 100% made in Germany. Thanks to the Schlick-plus services it provides its customers, the company is synonymous with first class service. Spray and laboratory tests using the latest technology ensure that the operating parameters specified by the customer are exactly reached. The comprehensive know-how of the employees helps to find the most economic solution. This applies equally to the design of new systems and the optimization of existing installations. 100% in-house production not only ensures exceptional quality of standard solutions, it also allows special products and small series to be implemented in the shortest possible time. For the company, customer service means being there where they are needed: At the customer’s site.

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Düsen-Schlick is exhibiting at the Achema 2009
May 11. - 15. 2009, Frankfurt a. M. / Germany -
Hall 6.0 Booth: G23 – G25
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