Device and installation for injecting particulate materials into a chamber, and corresponding method

A technology for injecting equipment and substances, which is applied in the field of processing substances in devices and devices for processing substances, can solve problems such as energy consumption, uncompetitive operating costs, and limited applications, and achieve the effect of strong leakage risk

Inactive Publication Date: 2009-10-21
COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This limits their application once the fluid to be treated contains suspended particulate solid matter
[0007] Additionally, these methods consume energy to pressurize the fluid to working pressure
This requirement limits the use of methods with high flow rates and generally makes SCWO almost uncompetitive in terms of operating costs against competing methods for processing specific industrial wastes

Method used

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  • Device and installation for injecting particulate materials into a chamber, and corresponding method

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Embodiment Construction

[0023] Other features and advantages of the invention will become apparent after reading the following description of embodiments, given for illustrative purposes, with reference to a single figure.

[0024] The apparatus for treating the waste and the supercritical water oxidation method are described below. The reaction is carried out in reaction vessel 2. This container can be of the usual type. For example, it is possible to use an elongated cylindrical container comprising a tubular body and an inner body housed inside said body, as described in French patent FR 2 814 967 . The reaction vessel is not part of the invention. Therefore no further description is given here.

[0025] Compressed air is supplied to the reaction vessel 2 through the inlet 4 at a nominal flow rate. A high pressure compressor 6 injects air directly into the reaction zone from ambient air or from the headspace of the waste storage tank, which may allow its replenishment.

[0026] Waste material...

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Abstract

The present invention relates to an apparatus and apparatus for injecting a substance, particularly a particulate substance, into a container, and a related method. During a pressurized water treatment process, the device of the present invention for injecting substances into a reaction vessel comprises a plenum chamber (24) with an interior space in which is installed a movable component (29), such as a bellows, which makes the device It is divided into two variable spaces in a sealed manner, namely a pressurization chamber (32) and a hydraulic pressure chamber (34). This variable hydraulic boost chamber of the apparatus of the invention is connected to the aqueous phase outlet (15) of the liquid / gas separator (14) which separates the liquid from the effluent leaving the reaction vessel (2). phase and gas phase.

Description

technical field [0001] The invention relates to a device for injecting substances into a reaction vessel in a pressurized water treatment process. [0002] The invention also relates to a device for treating substances, comprising a reaction vessel having an inlet for the substance to be treated, an inlet for an oxidizing gas mixture, such as air compressed to working pressure, an inlet for a liquid / gas effluent an outlet; and a device for injecting the substance connected to the inlet for the substance to be treated. [0003] Finally, according to the invention, it relates to a method for handling substances in a device. Background technique [0004] In the field of pressurized processes for waste treatment, two main classes of processes using water as the reaction medium can be divided: wet air oxidation (WAO) and hydrothermal oxidation or supercritical water oxidation (SCWO). WAO is characterized by temperature and pressure conditions below the critical conditions of wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/02C02F11/08B01J19/26
CPCC02F1/72B01J3/02B01J2219/00006B01J19/18C02F11/086B01J4/002Y02P20/54B01J19/26C02F11/08
Inventor 克里斯托夫·茹索-迪比安休伯特-亚历山大·蒂尔克
Owner COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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