Check patentability & draft patents in minutes with Patsnap Eureka AI!

Tubular ammonia decomposition reactor

A technology of ammonia decomposition and reactor, which is applied in the field of ammonia decomposition and hydrogen production, can solve the problems of complex structure of ammonia decomposition device and high equipment operation cost, and achieve the effects of low energy consumption, reduction of equipment cost and simplification of device structure

Active Publication Date: 2020-12-08
福大紫金氢能科技股份有限公司
View PDF16 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects of complex structure and high equipment operation cost of the existing ammonia decomposition device, thereby providing a tubular ammonia decomposition reactor

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Tubular ammonia decomposition reactor
  • Tubular ammonia decomposition reactor
  • Tubular ammonia decomposition reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as figure 1 As shown, the present embodiment provides a tubular ammonia decomposition reactor, comprising:

[0046] The sleeve 1 includes a first air inlet 11 and a first air outlet 12, and a second air inlet 13 and a second air outlet 14 oppositely arranged;

[0047] The inner tube 2 is arranged inside the sleeve 1, the inner tube 2 is filled with an ammonia decomposition catalyst, the gap between the inner tube 2 and the sleeve 1 is filled with a catalytic combustion catalyst, and one end of the inner tube 2 communicates with the first air inlet 11, The opposite end communicates with the first air outlet 12;

[0048] The second air inlet 13 is suitable for communicating with fuel gas, and the fuel gas is suitable for exothermic reaction with the catalytic combustion catalyst.

[0049] In the above-mentioned tubular ammonia decomposition reactor, the fuel gas enters the gap between the inner pipe 2 and the sleeve 1 from the second air inlet 13, generates heat un...

Embodiment 2

[0064] This embodiment provides a tubular ammonia decomposition reactor, which differs from the tubular ammonia decomposition reactor provided in Example 1 in that: figure 2 As shown, the inner pipe 2 is five pipes arranged in series, the end of the inner pipe 2 near the first air inlet 11 runs through the upper partition 6, and the end of the inner pipe 2 near the first air outlet 12 runs through the lower partition 7 above, so that the fuel gas enters the pipeline and the ammonia gas enters the gap between the pipeline and the sleeve 1 to ensure that the two chemical reactions do not affect each other. It should be understood that the number of second pipes 22 includes but is not limited to five, and the application does not limit the shapes of the sleeve 1, the upper partition 6 and the lower partition 7, and those skilled in the art can choose according to needs .

Embodiment 3

[0066] This embodiment provides a tubular ammonia decomposition reactor, which differs from the tubular ammonia decomposition reactor provided in Example 1 in that: image 3 As shown, the inner tube 2 includes:

[0067] 4 first pipelines 21 connected in parallel;

[0068] The gas outlet mixing chamber is arranged between the catalytic combustion catalyst and the first gas outlet 12, and the gas outlet of the first pipeline 21 enters the gas outlet mixing chamber;

[0069] Two second pipes 22 connected in series, one end enters the gas outlet mixing chamber, the other end extends to the area between the gas outlet mixing chamber and the first gas outlet 12, and the part between the two ends is embedded in the catalytic combustion catalyst.

[0070]Specifically, the lower partition 7 includes a first lower partition 71 and a second lower partition 72, wherein the first lower partition 71 is arranged close to the grid plate 5, and the second lower partition 72 is arranged near t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a tubular ammonia decomposition reactor. The tubular ammonia decomposition reactor comprises a sleeve and an inner tube arranged in the sleeve, the inner tube is filled with anammonia decomposition catalyst, and a gap between the inner tube and the sleeve is filled with a catalytic combustion catalyst. Fuel gas enters the gap between the inner pipe and the sleeve from a second gas inlet, heat is generated under the action of the catalytic combustion catalyst, and combustion waste gas is exhausted from a second gas outlet; and ammonia gas enters the inner pipe from a first gas inlet and is subjected to an ammonia decomposition reaction under the action of the ammonia decomposition catalyst in the inner pipe, and heat required in the reaction process comes from catalytic combustion of the fuel gas. Thus, according to the device, the ammonia decomposition reaction can be carried out only by filling the gap between the inner pipe and the sleeve with the catalytic combustion catalyst without additionally arranging a combustor and other heat generating devices, and the structure of the structure is effectively simplified; and meanwhile, only the catalytic combustion catalyst needs to be replaced in the later maintenance process of the equipment, and the equipment maintenance difficulty and workload are reduced.

Description

technical field [0001] The invention relates to the technical field of hydrogen production by ammonia decomposition, in particular to a tubular ammonia decomposition reactor. Background technique [0002] Ammonia decomposition to produce hydrogen is a chemical reaction, which means that liquid ammonia is heated to 800-850°C, and ammonia is decomposed under the action of a nickel-based catalyst to obtain hydrogen containing 75% hydrogen. 2 , 25%N 2 mixed gas of hydrogen and nitrogen. The raw material ammonia is easy to obtain, the price is low, and the raw material consumption is less. Therefore, hydrogen production by ammonia catalytic decomposition is an efficient and reliable way to supply hydrogen to fuel cells. [0003] Chinese patent CN110203882A discloses an ammonia decomposition device, which includes a shell, a reaction section and a heat exchange coil. The shell includes a heating zone and a heat exchange zone that are connected in sequence; Two reaction section...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F23C13/00B01J8/00C01B3/04
CPCF23C13/00B01J8/00C01B3/047B01J2208/00504Y02E60/36
Inventor 江莉龙林立罗宇陈崇启蔡国辉
Owner 福大紫金氢能科技股份有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com