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Methane cracking furnace

A cracking furnace, methane technology, applied in chemical/physical/physicochemical fixed reactors, inorganic chemistry, non-metallic elements, etc., can solve the problems of large carbon dioxide emissions, catalyst deactivation efficiency, high hydrogen production costs, etc., to achieve The effects of increased processing capacity, increased catalytic efficiency and conversion rate, and increased sales revenue

Pending Publication Date: 2022-02-18
TIANJIN FLASH IRONMAKING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current mainstream large-scale hydrogen production process using natural gas as raw material has the problems of high hydrogen production cost and large carbon dioxide emissions.
In addition, the existing natural gas hydrogen production process usually uses a solid catalyst, which still has the problems of catalyst deactivation and low efficiency, which affects the further expansion of production capacity

Method used

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Examples

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Effect test

Embodiment 1

[0041] The methane cracking furnace in the present embodiment is as figure 1 Shown, comprise furnace body 1 and flue 2, flue 2 is connected with furnace body 1 upper end, is provided with partition wall 3 in furnace body 1, leaves gap between the upper end of partition wall 3 and furnace body 1 upper end, furnace body 1. The inner cavity is divided into a molten pool 4 and a carbon black bin 5 by a partition wall 3. The molten pool 4 and the carbon black bin 5 are distributed in a surrounding manner, such as Figure 4 As shown, the molten pool 4 is provided with a melt layer 6, and the side wall or bottom of the molten pool 4 is connected with a feeding device 7, an immersion burner 8, a natural gas spray gun 9 and a slag discharge port 14, and the side wall of the carbon black bin 5 is provided with Water-cooling mechanism, the bottom is provided with a discharge port 10, and the position of the carbon black bin discharge port 10 is about 10 meters lower than the bottom of th...

Embodiment 2

[0047] The methane cracking furnace in the present embodiment is as figure 2 As shown, the difference with the methane cracking furnace in Example 1 is that the molten pool 4 and the carbon black storehouse 5 are distributed in parallel, as image 3 As shown, the furnace body 1 is provided with a retaining wall 11 , and the retaining wall 11 divides the melting pool 4 into a heating chamber 12 and a cracking chamber 13 . The retaining wall 11 is made of materials with good thermal conductivity (the thermal conductivity is generally required to be greater than 100W / (m·k)), high melting point, good wear resistance and corrosion resistance. Beryllium oxide, boron nitride, aluminum nitride, Silicon nitride, silicon carbide, and magnesium oxide are one or more combinations of these materials. The bottom height of the heating chamber 12 is lower than the bottom height of the cracking chamber 13 and the two chambers are staggered in the vertical direction, the retaining wall 11 is ...

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Abstract

The invention provides a methane cracking furnace. The equipment comprises a furnace body and a flue, wherein the flue is communicated with the upper end of the furnace body; a gap is reserved between the upper end of the partition wall and the upper end of the furnace body. An inner cavity of the furnace body is divided into a molten pool and a carbon black bin by a partition wall, a melt layer is arranged in the molten pool, and the liquid level of the melt layer is lower than the upper end of the partition wall. The side wall or the bottom of the molten pool is communicated with a feeding device, an immersion type burner, a natural gas spray gun and a slag discharging opening, and an outlet of the immersion type burner and an outlet of the natural gas spray gun are both formed in the melt layer. According to the methane cracking furnace, natural gas is taken as a raw material, and the goal of large-scale industrial production of hydrogen at low cost and low carbon emission or zero carbon emission can be achieved by a method for separating cracking products, namely carbon black and hydrogen.

Description

technical field [0001] The invention belongs to the field of hydrogen production from natural gas, in particular to a methane cracking furnace. Background technique [0002] According to the U.S. Environmental Protection Agency, CH 4 The greenhouse effect is an equivalent amount of CO 2 28--36 times. The shallow layer of the earth's crust, especially the Arctic permafrost, is a natural methane reservoir. Global warming and crustal movement will cause methane to be released, and methane release will accelerate global warming. The best way to stop methane from being released into the atmosphere is to use it up on a large scale without spewing carbon dioxide into the atmosphere. [0003] Hydrogen is not only a "clean" energy source, but also a very important industrial raw material. It is widely used in petroleum, chemical industry, electronics, metallurgy, oil, aerospace, light industry and other fields. The main component of natural gas is methane, and an important indust...

Claims

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Application Information

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IPC IPC(8): B01J19/00B01J19/24C01B3/26C09C1/50C09C1/54
CPCB01J19/24B01J19/0013C01B3/26C09C1/50C09C1/54B01J2219/00123
Inventor 黄小兵夏明邱江波施小芳
Owner TIANJIN FLASH IRONMAKING TECH CO LTD
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