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Gas cooler

A technology of gas coolers and cooling equipment, applied in the direction of indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., which can solve the problems of insufficient contact between solid particles and the walls of gas coolers, inefficient cleaning processes, etc.

Active Publication Date: 2012-10-17
MILENA OLGA JOINT INNOVATION ASSETS BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A problem with gas coolers, as disclosed in patent document US 5,658,359, is that the cleaning process is relatively inefficient, resulting in relatively insufficient contact of solid particles with the walls of the gas cooler

Method used

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Embodiment Construction

[0012] In the following description of the drawings, the same components are denoted by the same reference numerals.

[0013] figure 1 A schematic diagram of a gas cooler according to the invention in a biomass gasification plant is shown. Such as figure 1 As shown, the biomass gasification device is produced by the fluid bed gasifier A of the MILENA gasifier such as the ECN (Energy Research Center of the Netherlands), and the gas of the OLGA gas purification device such as the production of the ECN (Energy Research Center of the Netherlands) The purification unit B is composed, wherein the gas cooler C is installed between the two.

[0014] Fluid bed gasifier A gasifies biomass at a temperature of about 850°C. The gas produced is composed of a variety of components, including tar, ash and dust. In gas cooler C the gas is cooled to a temperature of about 350-550°C before being suitable for further processing in gas cleaning plant B. The latter (gas cleaning device B) clea...

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PUM

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Abstract

Gas cooler (1), provided with a gas inlet (8), a gas outlet (9), an outer wall (3) fitted between the gas inlet (8) and the gas outlet (9) which connects the gas inlet (8) and gas outlet (9) to one another in a gas-tight manner, a cooling device (7), which is connected to the outer wall (3), wherein the outer wall (3) has a frustoconical shape, wherein the gas inlet (8) is situated on the base side of the cone and the gas outlet (9) is situated on the top side of the cone, and wherein an inner wall is provided at a distance from the outer wall, wherein the inner wall has a frustoconical shape, wherein an inner wall (2) is arranged at a distance from the outer wall (3) and has a frustoconical shape.

Description

technical field [0001] The invention relates to a gas cooler for example for a biomass gasification device, which is provided with an air inlet and an air outlet, and is installed between the air inlet and the air outlet so that the air inlet and the air outlet are airtight to each other A connected outer wall, and a cooling device connected to the outer wall. Background technique [0002] A gas cooler of this type is known from patent document US 5,658,359, for example. This publication describes a gas cooler which is capable of passing solid particles introduced into the gas stream from a fluid bed gasifier to thereby scrape tar or ash deposits from the walls of the gas cooler. being cleaned. These solid particles are introduced into the gas flow upstream of or in the cooler by injection or by injecting a liquid into a cyclone present upstream of the gas cooler, which leads to a reduction in the separation efficiency of the cyclone, and The solids from the fluid bed gas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/02
CPCF28D7/028F28F9/22F28D7/0016F28D2021/0075
Inventor C·M·范德梅赫登R·巴滕堡
Owner MILENA OLGA JOINT INNOVATION ASSETS BV