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Hydrocarbon-converting synthetic gas producing apparatus and method

A hydrocarbon conversion and synthesis gas technology, which is applied in chemical instruments and methods, inorganic chemistry, chemical industry, etc., can solve the problems of high requirements for reaction device design and materials, high reaction temperature, and increased catalyst costs, so as to reduce energy consumption Consumption, uniform radial distribution, and the effect of reducing raw material consumption

Inactive Publication Date: 2005-07-13
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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Problems solved by technology

The disadvantage is that due to the high reaction temperature, the design and material requirements of the reaction device are relatively high.
Since the reaction material in contact with the catalyst contains oxygen at the same time, higher requirements are placed on the thermal stability of the catalyst, which increases the cost of the catalyst

Method used

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  • Hydrocarbon-converting synthetic gas producing apparatus and method
  • Hydrocarbon-converting synthetic gas producing apparatus and method

Examples

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Embodiment

[0056] The mixture of 50kmol / h fuel methane desulfurized and preheated to 450-500°C, 90kmol / h oxygen and 360kmol / h water vapor preheated to 450-500°C respectively passes through the combustion nozzle of the upper external burner A combustion reaction takes place in the burner. The combustion reactants are mixed with 360 kmol / h desulfurized raw material methane through the mixer of the upper reformer, and then enter the raw gas collector, where the temperature of the mixed gas reaches 900-1000°C, and then are evenly distributed to the reformer through pigtail pipes. Catalytic conversion reaction of hydrocarbons takes place in the reaction tube.

[0057] The mixture of 100kmol / h fuel methane desulfurized and preheated to 450-500°C, 180kmol / h oxygen and 500kmol / h water vapor preheated to 450-500°C respectively passes through the combustion nozzle of the lower external burner The combustion reaction occurs in the burner, and then enters the bottom of the lower reformer through th...

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Abstract

The present invention relates to apparatus and method of producing synthetic gas with hydrocarbon. The hydrocarbon burning product or CO2 separated from the subsequent decarbonation process is led to hydrocarbon and water vapor converting reactor to replenish carbon to the system, to make the synthetic gas possess proper H2 / CO ratio for subsequent synthesis of liquid hydrocarbon fuel and to reach heat self feeding of the reactor. The apparatus includes two-section vapor converting furnace inside one container and two external hydrocarbon burner. The burning product of the external burner is made to exchange heat with gas inside the reactor or mix directly to supply heat and carbon source for the reaction. The present invention has the advantages of simultaneous completion of preparing synthetic gas and recovering heat, H2 / CO ratio adjustable in 1.5-2.7, high heat utilization, etc.

Description

technical field [0001] The invention relates to a device and method for producing synthesis gas, in particular to a new method and device for producing synthesis gas by coupling gaseous hydrocarbons as raw materials through hydrocarbon combustion or partial oxidation and steam reforming, belonging to the gas production technology. Background technique [0002] Currently known methods for producing synthesis gas from hydrocarbon conversion include steam reforming, non-catalytic partial oxidation, catalytic partial oxidation, etc., which are used to produce products such as ammonia, methanol, and liquid fuel oil. The hydrocarbons mentioned are gaseous hydrocarbons, mainly referring to natural gas, oil field gas, coal bed methane, coke oven gas, refinery gas and other gases. [0003] The so-called steam reforming method is that gaseous hydrocarbons are mixed with water vapor in a certain proportion, and the catalytic conversion reaction is carried out in a tubular reactor at a...

Claims

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Application Information

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IPC IPC(8): C01B3/32
CPCY02P20/10
Inventor 胡永其王得峥程易魏飞刘润静王金福金涌
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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