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Two-material atomizing device

An atomization device and dual-material technology, which can be used in spraying devices, liquid spraying devices, lighting and heating equipment, etc., can solve the problem that the nozzle is not suitable for atomization

Active Publication Date: 2009-12-30
KARLSRUHE FORSCHZENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Changes in operating conditions, changes in material properties, or use of another fluid can quickly render a particular nozzle unsuitable for atomization

Method used

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  • Two-material atomizing device
  • Two-material atomizing device

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Embodiment Construction

[0021] Both embodiments of the two-material atomizing device comprise a liquid delivery channel 1 arranged in a preferably tubular liquid delivery housing 2 with a nozzle opening 3 (on the end side) and surrounding the liquid delivery channel or The gas delivery channel 4 is concentrically arranged in the liquid delivery housing, wherein the nozzle openings terminate in the gas delivery channel. In the continuation of this material confluence channel downstream (at the end) is connected a mixing channel 5 , in which the aforementioned materials (gas and liquid) mix and leave again via the outflow opening 6 (on the end side) . The liquid delivery channel 1 , the gas delivery channel 4 , the mixing channel 5 and the outflow opening 6 are preferably rotationally symmetrical about a line of symmetry 7 . In addition, a gas branch 8 arranged concentrically with respect to the aforementioned components is provided, which branches off from the gas delivery channel 4 before the liquid...

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Abstract

A two-material atomizing device for atomizing a liquid in a gas stream, comprising a liquid supply (1) with a nozzle opening (3), a gas supply (4) arranged around the liquid supply, the nozzle opening ending in the gas supply, a rotationally symmetrical mixing channel (5) as an axial extension of the liquid supply and having an outlet opening (6), a concentric gas branch (8) from the gas supply (4) upstream of the nozzle opening (3) and an annular injection opening (11) at the outlet opening (6), which is connected to the gas branch. The object is to propose a universally usable two-material atomizing device that also allows adaptation to boundary conditions changing during continuous operation. The object is achieved by means for adjusting the cross section of the injection opening (11) being provided.

Description

technical field [0001] The present invention relates to a dual material atomizing device for atomizing liquids in an air stream. Background technique [0002] Gas-supported nebulizers, hereinafter referred to as dual-material nebulizers, are used when nebulizers are subject to high nebulization requirements in terms of nebulization quality, flow rate and adjustment range. In this case, the energy necessary for the atomization of the liquid is supplied by the gas (air, steam or inert gas), that is to say by the relative velocity between gas and liquid. Typically, the liquid is injected directly into the gas flow and atomized by the gas flow. [0003] Internally mixing, bi-material atomizing devices with coaxial liquid receivers also belong to the aforementioned category of nebulizers. Usually the two-material atomizing device is distinguished by its rotationally symmetrical structure and has a mixing channel arranged in the device, into which the liquid feed line and the ga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B7/04
CPCF23D11/38F23D11/102B05B7/0491B05B7/0475
Inventor N·扎扎利斯L·克雷布斯E·庞托夫拉斯H·-J·韦默
Owner KARLSRUHE FORSCHZENT
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