A gasification process for hydrocarbon-containing raw materials using an upper-mounted multi-channel single nozzle

A technology of hydrocarbon raw materials and hydrogen raw materials, which is applied in the gasification process of hydrocarbon-containing raw materials, can solve problems that are prone to danger and difficult to gasify, transform and utilize multiple raw materials at the same time, so as to improve gasification efficiency, reduce equipment and Operating cost, the effect of expanding the scope of application

Active Publication Date: 2021-10-01
THE NORTHWEST RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the differences in the properties of the gasification raw materials, it is difficult to realize the simultaneous gasification conversion and utilization of multiple raw materials when the gasification raw materials are blended, especially when the material states are different; and when the gasification raw materials contain flammable gases When the flammable gas is mixed with gasification agents such as oxygen, it is easy to cause danger

Method used

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  • A gasification process for hydrocarbon-containing raw materials using an upper-mounted multi-channel single nozzle
  • A gasification process for hydrocarbon-containing raw materials using an upper-mounted multi-channel single nozzle
  • A gasification process for hydrocarbon-containing raw materials using an upper-mounted multi-channel single nozzle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] This embodiment includes the following steps:

[0069] Step 1. Pretreatment of solid block hydrocarbon-containing raw materials: Send 143.3t of Shaanxi Shenfu bituminous coal and 53t of water into wet grinding equipment 1, and simultaneously feed 2.5t of aqueous solution containing 10wt% surfactant sodium naphthalenesulfonate, Then the above-mentioned materials are fully mixed and ground to obtain a coal-water slurry with a coal content of 63wt% and good fluidity and stability, and then the coal-water slurry is transported to the raw material slurry storage tank 2 for storage; The water content of fubituminous coal is 12.77wt%, and the particle size is freely distributed between 1mm and 20mm; the particle size of coal in the coal-water slurry is all less than 0.1mm and the particle size of 35wt% coal is greater than 0.075mm;

[0070]Step 2, raw material gasification: the coal water slurry obtained in step 1 and the high-purity oxygen with a volume purity of 99.6% are re...

Embodiment 2

[0080] This embodiment includes the following steps:

[0081] Step 1. Pretreatment of solid block hydrocarbon-containing raw materials: Send 53.6t of Shaanxi Shenfu bituminous coal and 20.5t of water into wet grinding equipment 1, and simultaneously feed 0.5t of an aqueous solution containing 25wt% sodium lignosulfonate, and then The above materials are fully mixed and ground to obtain a coal-water slurry with a coal content of 55wt% and good fluidity and stability, and then the coal-water slurry is transported to the raw material slurry storage tank 2 for storage; the Shaanxi Shenfu The water content of the bituminous coal is 14.78wt%, and the particle size is freely distributed between 1mm and 20mm; the particle size of the coal in the coal-water slurry is all less than 0.1mm and the particle size of 35wt% of the coal is greater than 0.075mm;

[0082] Step 2, raw material gasification: the coal water slurry, heavy oil and high-purity oxygen with a volume purity of 99.6% obta...

Embodiment 3

[0092] This embodiment includes the following steps:

[0093] Step 1. Pretreatment of solid block hydrocarbon-containing raw materials: Send 52.9t of Shaanxi Shenfu bituminous coal and 29.6t of water into wet grinding equipment 1, and at the same time feed 1000kg of sodium humate containing 25wt% special additive for coal-water slurry aqueous solution, and then the above-mentioned materials are fully mixed and ground to obtain a coal-water slurry with a coal content of 60wt% and good fluidity and stability, and then the coal-water slurry is transported to the raw material slurry storage tank 2 for storage; Shaanxi Shenfu bituminous coal has a moisture content of 5.66wt%, a particle size of less than 10mm and a free distribution;

[0094] Step 2, raw material gasification: the coal-water slurry, natural gas and high-purity oxygen with a volume purity of 90% obtained in step 1 are respectively passed through the hydrocarbon-containing raw material flow channel and the gasificati...

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Abstract

The invention discloses a hydrocarbon-containing material gasification process adopting an upper-mounted multi-channel single nozzle. The process includes: 1. making solid block-shaped hydrocarbon-containing material into powder or slurry; The raw material and gasification agent are sent to the reactor through the upper-mounted multi-channel single-nozzle hydrocarbon-containing raw material flow channel and the gasification agent flow channel to mix and react to form crude gas; 3. After cooling the crude gas, wash it to remove impurities in the crude gas 4. The black water produced by cooling and washing is concentrated, filtered and heat recovered in sequence to obtain gray water. The invention realizes the feeding of various forms and types of hydrocarbon-containing raw materials through the upper-mounted multi-channel single-nozzle hydrocarbon-containing raw material flow channel and the gasification agent flow channel, so that various hydrocarbon-containing raw materials can be fully fed at the same time. Gasification is converted into crude gas, which improves the quality of crude gas products, expands the scope of gasification process for raw materials, improves gasification efficiency, reduces equipment and operating costs, and ensures the safety of gasification process.

Description

technical field [0001] The invention belongs to the technical field of hydrocarbon-containing raw material gasification, and in particular relates to a hydrocarbon-containing raw material gasification process using an upper-mounted multi-channel single nozzle. Background technique [0002] Entrained bed gasification technology is one of the more advanced clean coal technologies at present. This technology mostly uses coal as raw material to synthesize gasification products, and then further produces basic chemicals such as synthetic ammonia, methanol, natural gas, and fuel oil. It has been widely used in China. application. In recent years, with the increasing market demand for gasification products, energy processing enterprises are in urgent need of large-capacity entrained bed equipment to improve the production efficiency of gasification products. At present, the most widely used entrained entrained bed equipment in enterprises is the single-nozzle top-mounted entrained...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/46C10J3/50C10J3/84C02F9/10C01B3/32C01B3/34C02F103/18
CPCC01B3/32C01B3/34C01B2203/0216C01B2203/04C01B2203/0415C01B2203/1235C01B2203/1241C02F1/001C02F1/048C02F1/06C02F2103/18C10J3/466C10J3/506C10J3/84C10J2200/152C10J2300/0906C10J2300/093C10J2300/0959C10J2300/0976C10J2300/1603C10J2300/1615C10J2300/169
Inventor 罗进成朱春鹏徐宏伟韦孙昌贺根良赵蒙曾梅林益安郑亚兰杨云龙
Owner THE NORTHWEST RES INST OF CHEM IND
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