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Device and method for producing half-water gas by employing oxygen-enriched air

A technology of oxygen-enriched air and semi-water gas, which is applied in the manufacture of combustible gas and petroleum industry, etc., can solve the problems of low production of synthetic ammonia raw material gas, large consumption of raw coal and steam, save raw coal and steam consumption, increase production, The effect of increasing production

Inactive Publication Date: 2008-07-23
SHANGHAI MEMBRANE OXYGEN ENRICHMENT ENERGY SAVINGPROJECT
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Problems solved by technology

At present, in the manufacturing process, the consumption of raw coal and steam is generally large, and the output of synthetic ammonia raw gas is low.

Method used

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  • Device and method for producing half-water gas by employing oxygen-enriched air
  • Device and method for producing half-water gas by employing oxygen-enriched air
  • Device and method for producing half-water gas by employing oxygen-enriched air

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Embodiment Construction

[0011] The present invention is further described below.

[0012] As can be seen from the figure, the device utilizing oxygen-enriched air to produce semi-water gas of the present invention comprises the following parts: air blower 2, air blower 2 is connected with the input end of oxygen-enriched generator 3, and the output end of oxygen-enriched generator 3 is connected with The input end of vacuum pump 4 is connected, and the output end of vacuum pump 4 is connected with the input end of gas-water separation tank 5, and the output end of gas-water separation tank 5 is connected with an input end of air mixing tank 7 by oxygen-enriched air blower 6, and air mixing The other input end of tank 7 is connected with common air pipeline 8, and the output end of air mixing tank 7 is connected with gas generator 10 through oxygen-enriched air main pipe 9. Ordinary air pipeline 8 can also be connected with air-making blower 1, and is used for blowing ordinary air into air mixing tank...

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Abstract

The invention discloses a device for producing semi water gas by utilizing oxygen-enriched air, which is characterized in that: the input of the gas making furnace is connected with the output of the air mixing tank, input of the air mixing tank is connected with ordinary windpipes, the other end of the air mixing tank is connected with the output of the oxygen-enriched generator and the input of the generator is connected with the blower. The device for producing semi water gas by utilizing oxygen-enriched air has the advantages that: by increasing the oxygen concentration of the input gas, the gasification decomposing temperature in the gasification furnace, the steaming decomposition efficiency and the water gas yield can be increased, while the coal consumption and the steam consumption are reduced; meanwhile, the device does not change the original gas making system and the one-time investment is saved. The device and the method are in particular suitable for the retrofit of the gas making furnaces for existing chemical fertilizer industry.

Description

Technical field: [0001] The invention relates to a device and method for producing semi-water gas, in particular to a device and method for producing semi-water gas by using oxygen-enriched air, so as to improve the gasification efficiency of fixed-bed gas-making furnaces in the chemical fertilizer industry. Background technique: [0002] At present, most of the existing small nitrogen fertilizer plants in the country use solid anthracite lumps in fixed-bed gas-making furnaces to gasify the raw material gas of ammonia in intermittent gasification. During the gas production process, in the gas production stage and the recovery stage, ordinary air with an oxygen content of ≤21% is added to the gas furnace for gas production, and nitrogen air is added in the up and down gas production process and the recovery process (CO+H / N 2 ) is mixed at a ratio of 3 to 3.3, and its gas production is closely related to the oxygen content in the furnace air. The air is intermittently gasif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/16
Inventor 张凤葵李玉林宣桂才倪凤武
Owner SHANGHAI MEMBRANE OXYGEN ENRICHMENT ENERGY SAVINGPROJECT
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