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A hydrogenation method and device for waste biomass gas

A technology of biomass gas and biomass, which is applied in the direction of fuel, gas fuel, petroleum industry, etc., can solve the problem that the financial net present value of the internal rate of return is not feasible

Active Publication Date: 2017-09-26
江苏瑞一量子研究院有限公司
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  • Claims
  • Application Information

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Problems solved by technology

If the investment is too large, the financial internal rate of return (IRR) and financial net present value (NPV) of the project are not feasible

Method used

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  • A hydrogenation method and device for waste biomass gas
  • A hydrogenation method and device for waste biomass gas
  • A hydrogenation method and device for waste biomass gas

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Embodiment Construction

[0060] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention relates to the field of hydrogenation of biomass gas, in particular to a hydrogenation method and device for waste biomass gas. The hydrogenation method of garbage biomass gas comprises the following steps: mixing gas produced from garbage biomass with saturated steam to obtain saturated gas; CO in the saturated gas reacts with H2O to generate H2 and CO2 to obtain hydrogenated gas; The hydrogen-increased gas is discharged after cooling down, which is the raw material gas for methanation. The device of the hydrogenation method includes a mixer, a hydrogenation furnace, a deoxygenated water preheater, and a steam drum. The hydrogenation method is to mix the gas made from waste biomass with saturated steam to obtain saturated gas, and the carbon monoxide in the saturated gas reacts with the water in the saturated steam to generate hydrogen and carbon dioxide to increase the hydrogen content in the gas and increase the hydrogen content. The gas can be used as raw material gas for methanation after cooling down. The method is simple, low in cost, produces no waste gas, and is safe and pollution-free. The device is simple and easy to operate, and the production cost is greatly reduced.

Description

technical field [0001] The invention relates to biomass gas hydrogenation (H 2 ) field, specifically, it relates to a hydrogenation method and device for waste biomass gas. Background technique [0002] Household waste, straw, twigs, etc. are collectively referred to as waste biomass. Waste biomass can be produced through a horizontal gasifier with a calorific value of about 5000kcal / m 3 gas containing CO 2 About 22%, remove CO 2 The post-gas calorific value is about 6200kcal / m 3 . The national standard stipulates that the calorific value of natural gas should be >7500kcal / m 3 . Calorific value 6200kcal / m 3 The natural gas cannot be merged into the urban natural gas pipeline network, nor can it be supplied to gas stations to refuel vehicles. This requires the use of methanation to increase the calorific value of the gas to >7500kcal / m 3 . The methanation process requires H in the feed gas components 2 : The CO ratio is 3:1, but the biomass gas goes through ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L3/00
Inventor 史金麟史惠元施俊鹏
Owner 江苏瑞一量子研究院有限公司
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