System and method for producing biomass charcoal by utilizing flue gas of power station boiler

A technology for power station boilers and biomass charcoal, which is applied in the fields of biofuels, coke ovens, special forms of dry distillation, etc., can solve the problems of high energy consumption and large pollution, and achieve the effect of saving fuel consumption and environmental protection investment.

Pending Publication Date: 2019-10-29
HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In view of the multiple uses of biochar, how to produce biochar with low energy consumption and clean production has become the key. The current "pyrolysis" method has problems such as high energy consumption and large pollution that need to be solved urgently

Method used

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  • System and method for producing biomass charcoal by utilizing flue gas of power station boiler
  • System and method for producing biomass charcoal by utilizing flue gas of power station boiler
  • System and method for producing biomass charcoal by utilizing flue gas of power station boiler

Examples

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Effect test

Embodiment 1

[0035] A system for producing biochar from power plant boiler flue gas, such as figure 1 As shown, it includes a pyrolysis furnace; the pyrolysis furnace is provided with a biomass inlet, a biomass charcoal outlet and a biomass gas outlet; the flue gas produced by the utility boiler 100 of a thermal power plant provides a heat source for the pyrolysis furnace; it also includes a supplementary A thermal device, the supplementary heat device is used to supplement the heat source when the temperature in the pyrolysis furnace does not reach the preset pyrolysis temperature.

[0036] The working principle of the above system is: add biomass raw materials into the pyrolysis furnace from the biomass inlet, and use the high-temperature flue gas produced by the utility boiler of the thermal power plant to provide the main heat source for the pyrolysis of the biomass raw materials in the pyrolysis furnace. When the temperature in the pyrolysis furnace does not reach the preset pyrolysis...

Embodiment 2

[0060] This embodiment provides a system for producing biomass charcoal using power plant boiler flue gas, such as Figure 4 As shown, the system structure of this embodiment is basically the same as that of Embodiment 1, and the main difference is that the system of this embodiment only adopts the pyrolysis furnace 200 that is set up in the same way as the first pyrolysis furnace of Embodiment 1, instead of using The pyrolysis furnace setting method of the second pyrolysis furnace in example 1.

Embodiment 3

[0062] This embodiment provides a system for producing biomass charcoal using power plant boiler flue gas, such as Figure 5 As shown, the system structure of this embodiment is basically the same as that of Embodiment 1, and the main difference is that the system of this embodiment only adopts the pyrolysis furnace 300 that is set up in the same way as the second pyrolysis furnace of Embodiment 1, instead of using The pyrolysis furnace setting method of the first pyrolysis furnace in example 1.

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Abstract

The invention discloses a system and method for producing biomass charcoal by utilizing flue gas of a power station boiler. The system comprises a pyrolyzing furnace; the pyrolyzing furnace is provided with a biomass inlet, a biomass carbon outlet and a biomass gas outlet, and flue gas generated by a power station boiler of a fire power plant provides a main heat source for the pyrolyzing furnace;and the system further comprises a heat supplementing device which is used for supplementing heat source to the pyrolyzing furnace when the temperature in the pyrolyzing furnace cannot reach a presetpyrolysis temperature. According to the system disclosed by the invention, the high-temperature flue gas of the power station boiler is used for directly carrying out high-temperature pyrolysis on biomass, so that fuel consumption of biomass pyrolysis is saved.

Description

technical field [0001] The invention relates to the technical field of biomass charcoal production, in particular to a system and method for producing biomass charcoal by utilizing flue gas of a power station boiler. Background technique [0002] At present, there are different degrees of heavy metal pollution in soil in our country, especially in some economically developed areas, agricultural land and agricultural products are seriously polluted by heavy metals. According to statistics, nearly 20 million hectares of arable land in my country are polluted by heavy metals such as cadmium, arsenic, lead, chromium, and mercury, accounting for about 20% of the total arable land area. Because heavy metals have poor mobility in soil, long residence time, and cannot be degraded by microorganisms, it is difficult to treat and restore them. Biochar is a high-carbon solid residue, mainly composed of aromatic hydrocarbons and elemental carbon or has a graphite-like structure, which c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10B47/00C10B57/10
CPCC10B47/00C10B53/02C10B57/10Y02E50/10
Inventor 杨豫森崔华陈辉
Owner HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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