FIELD: transport.
SUBSTANCE: invention relates to gasification systems and can be used in chemical reactors and pipeline systems for raw material injection. Injection system for raw material feed contains several ring channels 314, 316, 318 arranged in concentric configuration around longitudinal axis, and several helical elements 312 passing into path for fluid flow. The helical elements 312 are made with possibility to move axially in ring channel. At least one helical element 312 contains several blades placed along helical path and spaced from each other. In this structure, one of helical elements 312 is made capable to impart the first circular rotation to fluid flow, and the other helical element 312 is made capable to impart counterflow circular rotation.
EFFECT: invention permits to mill and mix raw material, to increase time of its presence in the device and to improve efficiency of processing.
23 cl, 9 dwg
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