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Burner for the production of synthesis gas and related cooling circuit

By using a pressure equalizing device and a liquid storage tank system in the burner, it is ensured that the pressure of the coolant is always higher than the burner gas pressure, solving the stress problem caused by the pressure difference during the transient process, extending the service life of the burner and improving for safety and cooling effect.

Active Publication Date: 2017-09-26
CASALE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In more detail, the present invention aims to solve the problem of stress caused by the relative pressure difference between the process gas and the cooling liquid during the transient process when the pressure of the process gas is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] figure 1 A burner system 100 suitable for use in an ATR or POX reactor is shown. The burner system 100 is generally located at the upper end of the ATR or POX reactor, above a combustion chamber (not shown in the figure).

[0029] The burner system 100 includes a burner body 1 and a cooling circuit 2 .

[0030] The burner body 1 comprises coaxial outer conduit 3 and inner conduit 4 connected to a hydrocarbon fuel inlet 6 and an oxidant inlet 7 respectively. The burner body 1 also comprises a cooling chamber 5 connected to a cooling circuit 2 for circulating a cooling liquid, such as water, around the walls of said fuel conduit 3 and oxidizer conduit 4 .

[0031] A fuel conduit 3 and an oxidant conduit 4 protrude into the combustion chamber. In operation, an end face of the body 1, such as the surface 21, faces directly towards the combustion chamber.

[0032] The cooling chamber 5 surrounds the outer surface of the fuel conduit 3 and is provided with a coolant inlet...

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PUM

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Abstract

A burner system (100) for the combustion of a hydrocarbon feedstock with an oxidant comprises at least one burner (1) and a cooling circuit (2), wherein the burner system(100) comprises a fuel side (3, 15) and an oxidant side (4, 14); the burner (1) comprises a cooling chamber (5) connected to the cooling circuit (2); the cooling circuit (2) comprises a reservoir tank (8) for the cooling fluid and a circulation pump(16); and the system (100) comprises pressure equalizing line (15b) arranged to establish a fluid communication between the inside of the reservoir tank (8) and at least one of the fuel side and oxidant side.

Description

technical field [0001] The invention relates to a burner for synthesis gas production. In particular, the invention relates to a burner comprising a cooling circuit and a method of pressurizing the cooling circuit. Background technique [0002] Syngas mainly consists of carbon monoxide and hydrogen, and is important for the industrial production of some chemicals, such as methanol, ammonia and synthetic fuels. [0003] Syngas production typically involves the combustion of a hydrocarbon source, such as natural gas, with an oxidant, which can be air or oxygen-enriched air or pure oxygen. The combustion is usually carried out under the condition of excess proportion of hydrocarbon source and insufficient oxidant. [0004] Common techniques for such combustion include autothermal reforming (ATR) and partial oxidation (POX). They are carried out in reactors provided with burners, usually comprising nozzles for forming a diffusion flame within the combustion chamber. [0005]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/22F23D14/78
CPCF23D14/22F23D14/78F23D2206/00
Owner CASALE SA