Multifunctional methane purifier

A purifier and multi-functional technology, applied in biochemical instruments, gas production bioreactors, gas fuels, etc., can solve the problem of high price of desulfurizer iron oxide, and achieve the effect of simple installation, low investment and safe operation

Inactive Publication Date: 2009-05-27
张衍栋
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Problems solved by technology

[0002] The existing biogas purifier includes a plastic shell with solid iron oxide as a desulfurization purifier, and a biogas water collector, so that only hydrogen sulfide and water can be removed, and the main components in the biogas are not only combustible alkanes Methane accounts for about 50-70% and a small amount of hydrogen sulfide, hydrogen, carbon monoxide, nitrogen, and a large amount of carbon dioxide, accounting for about 30-40%, but it has not been removed
Moreover, the desulfurizer iron oxide is expensive and needs to be replaced after a period of use

Method used

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  • Multifunctional methane purifier

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Embodiment Construction

[0009] Further description will be given below in conjunction with the accompanying drawings and embodiments.

[0010] Such as figure 1 As shown, a sodium hydroxide aqueous solution 2 is added in the biogas water collector 1 with a sealing cover 5, and the biogas water collector 1 has an air inlet pipe 3 extending into the sodium hydroxide aqueous solution and an air outlet pipe 4 leaving the liquid surface , It is required that the filling factor of sodium hydroxide is 50-70% of the solvent of the biogas water collector. At this time, the biogas that enters from the intake pipe 3 of the biogas purifier undergoes a chemical reaction through the aqueous sodium hydroxide solution 2 to generate sodium sulfide and sodium carbonate, making the solution turbid and remaining in the purifier, and the water vapor in the biogas also becomes water to remain in the purifier. inside the purifier. Oxygen sulfide, carbon dihydrogen, and water vapor in the biogas are purified through the ab...

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Abstract

The application discloses a multifunctional marsh gas purifier, which is to add a sodium hydroxide solution accounting for 50 to 70 percent of the volume of a water gatherer into a marsh gas water gatherer, wherein an intake pipe of the water gatherer is extended to extend into the sodium hydroxide solution. Because an aqueous solution of hydrogen sulfide is a weak acid and has chemical reaction with sodium hydroxide to generate sodium sulfide and water; carbon dioxide has chemical reaction with the sodium hydroxide to generate sodium carbonate and water; besides, water vapor in the marsh gas becomes liquid water in the aqueous solution and plays a role of dehydration of the water gatherer. The multifunctional marsh gas purifier improves the prior water gatherer so as to integrate the functions of desulfurization, dehydration and decarbonation, and has the characteristics of less investment, simple installation, safe use and operation, convenient management and the like.

Description

technical field [0001] The present application relates to a biogas utilization device, especially a biogas purification device. Background technique [0002] The existing biogas purifier includes a plastic shell with solid iron oxide as a desulfurization purifier, and a biogas water collector, so that only hydrogen sulfide and water can be removed, and the main components in the biogas are not only combustible alkanes Methane accounts for about 50-70% and a small amount of hydrogen sulfide, hydrogen, carbon monoxide, nitrogen, and a large amount of carbon dioxide, accounting for about 30-40%, but it has not been removed. Moreover, the desulfurizer iron oxide is expensive and needs to be replaced after a period of use. Contents of the invention [0003] In order to overcome the deficiencies of existing biogas purifiers, this application provides an integrated multifunctional biogas purifier that can remove not only hydrogen sulfide, but also carbon dioxide and water. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10C07C7/148C07C9/04C12M1/107C02F11/04
CPCY02E50/343C12M47/18C12M21/04Y02E50/30
Inventor 张衍栋张业川
Owner 张衍栋
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