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High temperature multiphase injection device

A high-temperature injection and nozzle device technology, applied in the direction of injection device, injection device, feeding device, etc., can solve problems such as tip failure and medium melting

Inactive Publication Date: 2019-04-02
KEW TECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When ash is present in the process vessel, which is equivalent to any gasification or pyrolysis process involved in the process, the high local temperatures can lead to melting of the media, which when interacting with the relatively cool nozzle tip, eventually leads to the deposition of formed, causing the tip itself to fail

Method used

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  • High temperature multiphase injection device
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Examples

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Embodiment Construction

[0037] According to the present arrangement, the design of an apparatus for introducing one or more fluids (including liquids or gases) or fluids mixed with solids into a high temperature and / or high pressure environment (eg a reactor) is described.

[0038] In particular, the arrangement relates to a device, such as a nozzle device, for introducing air, a chemical oxygen carrier, or an oxidant in the form of pure oxygen into a process containing a combustible environment, whereby the injection process causes spontaneous combustion by forming a diffusion flame or flameless combustion .

[0039] Nozzle assemblies are often designed to operate in process environments containing hydrogen or other similar flammable media that result in high localized flame temperatures. The nozzle arrangement is also operable to simultaneously inject solids, such as catalyst media of varying particle sizes, into the process environment with the injection fluid at a concentration close to the dense...

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Abstract

The present invention relates to a multiphase injection device suitable for use in a high-temperature process environment. The multiphase injection device comprises a nozzle and a plurality of passageways in the nozzle, wherein the plurality of passageways comprises a primary passageway and at least one secondary passageway. The passageways are operable to simultaneously inject respective processmedia into a reactor at different angles relative to each other.

Description

technical field [0001] The invention relates to a multi-phase injection device suitable for high-temperature process environment. Background technique [0002] Many industrial chemical reactions involve exposing one or more process media (gases, fluids) to a high temperature and / or high pressure environment. Examples of these reactions include the gasification of biomass and waste. There is a need to provide an injection system or apparatus for introducing these process media into the reaction environment (which is usually highly flammable) in a manner that can control the injection rate, temperature, etc. Ideally, an infusion system or device needs to be safe and enhance and maximize the efficiency and effectiveness of the process. [0003] There are many challenges in developing reliable, efficient and durable injection devices. For example, to elevate the temperature of the process medium in the chemical process and / or increase other chemical reactions, in some cases o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J4/00B01J19/26
CPCB01J4/002B01J2204/007B01J2204/002B01J2208/00752B01J2208/00902B01J2219/00119B01J19/26B05B1/14B05B7/00
Inventor 卡玛迪普·卡尔思
Owner KEW TECHN