Biomass negative carbon emission power generation system and working method therefor
The integration of a biomass power generation system with flue gas and water treatment units for carbon nanotube preparation addresses high carbon emissions, enhancing biomass utilization and producing valuable carbon nanotubes with negative emissions.
Patent Information
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- HUANENG CLEAN ENERGY RES INST
- Filing Date
- 2022-06-15
- Publication Date
- 2026-07-16
AI Technical Summary
Existing biomass power generation systems face limitations due to high carbon dioxide emissions and the need for effective flue gas purification to enable large-scale application.
A power generation system integrating a biomass power generation unit with a flue gas pre-treatment unit, carbon dioxide prepared carbon nanotube unit, electrolysis hydrogen production unit, and hydrogen collection unit, allowing for the direct preparation of carbon nanotubes using electrochemical methods, with controlled hydrogen and flue gas introduction, and waste water treatment for hydrogen production.
The system achieves negative carbon dioxide emissions and improves biomass utilization, producing high-value carbon nanotubes while optimizing resource use and automation.
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Abstract
Description
POWER GENERATION SYSTEM USING BIOMASS NEGATIVE CARBON EMISSION AND OPERATION METHOD THEREOF Cross-reference to Related Applications
[0001] This application is a continuation of international PCT application serial no. PCT / CN2022 / 098820, filed on June 15, 2022, which claims the priority to Chinese patent application No. 202111500675.9, entitled “Power Generation System Using Biomass Negative Carbon Emission and Operation Method Thereof”, filed to China National Intellectual Property Administration on December 9, 2021. The entireties of the above-mentioned patent applications are hereby incorporated by reference herein and made a part of this specification. Technical Field
[0002] The present application relates to the technical field of chemical industry, in particular to a power generation system using biomass negative carbon emission and an operation method thereof. Background Art
[0003] In recent years, with the increasing depletion of fossil energy and environmental pollution, biomass has gradually become one of the promising renewable energy sources. The research, development and application of biomass energy and petroleum substitute products are effective ways to ensure energy supply, reduce the dependence on fossil energy and solve future energy problems. The conversion and utilization technologies of biomass energy at home and abroad are reviewed, including direct combustion technology, biochemical conversion technology (fermentation and anaerobic digestion), thermo-chemical conversion technology (gasification and pyrolysis), liquefaction technology, compaction technology and supercritical fluid conversion technology. The application of biomass conversion technology is introduced, including biomass gasification power generation, gasification hydrogen production, thermal cracking hydrogen production, fuel ethanol production by fermentation, bio-oil production by thermal cracking, solid fuel production by solidification and molding, fertilizer production by compost fermentation, bio-gas production by anaerobic digestion and bio-fuel production by catalytic cracking. The future development of biomass energy utilization technology is prospected. Direct combustion power generation is a common way of utilizing biomass energy. However, the flue gas generated during direct combustion of biomass contains a large number of polluting particles, which restricts the large-scale application of direct combustion power generation technology. Therefore, the development of economic and effective flue gas purification technology can greatly promote the development of direct combustion utilization of biomass. Summary of the Invention
[0004] Therefore, the technical problem to be solved by the present application is to overcome the defects in the prior art, so as to provide a power generation system using biomass negative carbon emission and an operation method thereof, where energy is effectively used in the process, energy is saved, and the negative emission of carbon dioxide is achieved.
[0005] For this reason, the present application provides the following technical solutions:
[0006] a power generation system using biomass negative carbon emission including:
[0007] a biomass power generation unit;
[0008] where a flue gas outlet of the biomass power generation unit is connected to an inlet of a flue gas pre-treatment unit, and the outlet of the flue gas pre-treatment unit is connected to a CO2 inlet of a carbon dioxide prepared carbon nanotube unit;
[0009] a waste water outlet of the biomass power generation unit is connected to an inlet of a water pre-treatment unit, and the outlet of the water pre-treatment unit is connected to a water inlet of an electrolysis hydrogen production unit; a hydrogen outlet of the electrolysis hydrogen production unit is connected to an inlet of a hydrogen collection unit, and an outlet of the hydrogen collection unit is connected to a hydrogen inlet of the carbon dioxide prepared carbon nanotube unit.
[0010] Alternatively, a product outlet of the carbon dioxide prepared carbon nanotube unit is connected to a carbon nanotube refining unit.
[0011] Alternatively, an oxygen outlet of the electrolysis hydrogen production unit is connected to an inlet of an oxygen collection unit, and an outlet of the oxygen collection unit is connected to an oxygen inlet of the biomass unit.
[0012] Alternatively, the biomass power generation unit is connected to the carbon dioxide prepared carbon nanotube unit via a power line.
[0013] Alternatively, control valves are all provided on connecting pipelines among the carbon dioxide prepared carbon nanotube unit and the flue gas pre-treatment unit and the hydrogen collection unit.
[0014] Alternatively, control valves are provided on connecting pipelines among the water pre-treatment unit and the electrolysis hydrogen production unit and the biomass power generation unit.
[0015] Alternatively, a control valve is provided on a connecting pipeline between the carbon nanotube refining unit and the carbon dioxide prepared carbon nanotube unit.
[0016] Alternatively, an air separation unit connected to the oxygen inlet of the biomass power generation unit is further included.
[0017] Alternatively, the outlet of the water pre-treatment unit is connected to a water inlet in the biomass power generation unit.
[0018] An operating method for the power generation system using biomass negative carbon emission, including: performing, by the biomass power generation unit, biomass power generation to generate electric energy;
[0019] introducing the flue gas generated by the biomass power generation unit into a flue gas pre-treatment unit to be treated and then introducing same into the carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes using an electrochemical method; and
[0020] treating the waste water produced by the biomass power generation unit by the water pre-treatment unit and then introducing same into the electrolysis hydrogen production unit; collecting the hydrogen produced by the electrolysis hydrogen production unit by the hydrogen collection unit and then introducing same into the carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes using an electrochemical method.
[0021] Alternatively, the product obtained by preparing the carbon dioxide prepared carbon nanotube unit with carbon dioxide is introduced into a carbon nanotube refining unit for refining.
[0022] Alternatively, the oxygen produced by the electrolysis hydrogen production unit is collected by an oxygen collection unit and introduced into the biomass unit.
[0023] Alternatively, the electrical energy generated by the biomass power generation unit provides electrical energy to the carbon dioxide prepared carbon nanotube unit via a power line.
[0024] Alternatively, the oxygen separated by the air separation unit is fed to the biomass power generation unit for biomass power generation.
[0025] Alternatively, the recycled water produced by the water pre-treatment unit is introduced into the biomass power generation unit to enable the recycling of the waste water.
[0026] Alternatively, the oxygen content in the reaction atmosphere in the biomass power generation unit is from 0.5v / v% to 5v / v%.
[0027] Alternatively, the molar ratio of a feed gas H2:CO2 in the carbon dioxide prepared carbon nanotube unit is 2.15 to 5.27.
[0028] A broad sense concept of biomass in the present application: biomass includes all plants, microorganisms, and animals fed by plants, microorganisms, and wastes produced therefrom. Representative biomass are such as crops, crop wastes, wood, wood wastes, and animal manure. A narrow sense concept: biomass mainly refers to straw, trees and other lignocellulose (lignin for short) in the process of agricultural and forestry production except for grain and fruit, agricultural processing leftovers, agricultural and forestry wastes livestock manure and wastes in the process of animal husbandry production.
[0029] The technical solution of the present application has the following advantages:
[0030] 1. The present application provides a power generation system using biomass negative carbon emission including: a biomass power generation unit; where a flue gas outlet of the biomass power generation unit is connected to an inlet of a flue gas pre-treatment unit, and the outlet of the flue gas pre-treatment unit is connected to a CO2 inlet of a carbon dioxide prepared carbon nanotube unit; a waste water outlet of the biomass power generation unit is connected to an inlet of a water pre-treatment unit, and the outlet of the water pre-treatment unit is connected to a water inlet of an electrolysis hydrogen production unit; a hydrogen outlet of the electrolysis hydrogen production unit is connected to an inlet of a hydrogen collection unit, and an outlet of the hydrogen collection unit is connected to a hydrogen inlet of the carbon dioxide prepared carbon nanotube unit; it is found in the present application that the contents of non-metals such as sulfur and nitrogen in biomass are low, and the sulfur-containing compounds and nitrogen oxides produced by combustion are less; the flue gas produced by biomass power generation can be directly used for preparing carbon nanotubes by an electrochemical method after pre-treatment, without carbon dioxide capture, thus proposing the power generation system using biomass negative carbon emission of the present application; in the system, the flue gas produced by the biomass power generation unit is introduced into a flue gas pre-treatment unit and then is introduced into a carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes using an electrochemical method; hydrogen obtained by electrolysis after pre-treatment of waste water from biomass power generation unit is sent to the carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes by electrochemical method, and the above-mentioned system can effectively reduce the emission of carbon dioxide, not only the utilization of biomass is improved, the resulting products have a higher economic value, but also negative CO2 emissions are achieved.
[0031] 2. In the power generation system using biomass negative carbon emission provided in the present application, where an oxygen outlet of the electrolysis hydrogen production unit is connected to an inlet of an oxygen collection unit, and an outlet of the oxygen collection unit is connected to an oxygen inlet of the biomass unit, so as to achieve full component utilization of biomass.
[0032] 3. In the power generation system using biomass negative carbon emission provided in the present application, control valves are provided on the connecting pipelines of the carbon dioxide prepared carbon nanotube unit, the flue gas pre-treatment unit and the hydrogen collection unit, which can cooperatively control the amounts of hydrogen gas and pretreated flue gas being introduced into the carbon dioxide prepared carbon nanotube unit, thereby controlling the preparation of carbon nanotubes.
[0033] 4. In the power generation system using biomass negative carbon emission provided in the present application, the method including: performing, by the biomass power generation unit, biomass power generation to generate electric energy; introducing the flue gas generated by the biomass power generation unit into a flue gas pre-treatment unit to be treated and then introducing same into the carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes using an electrochemical method; and treating the waste water produced by the biomass power generation unit by the water pre-treatment unit and then introducing same into the electrolysis hydrogen production unit; collecting the hydrogen produced by the electrolysis hydrogen production unit by the hydrogen collection unit and then introducing same into the carbon dioxide prepared carbon nanotube unit to prepare carbon nanotubes using an electrochemical method; with the above-mentioned operation method for power generation system using biomass negative carbon emission, not only the utilization of biomass is improved, the resulting products have a higher economic value, but also negative CO2 emissions are achieved with a high degree of automation. Brief Description of the Drawings
[0034] In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by a person skilled in the art without creative efforts.
[0035] FIG. 1 is a schematic structural diagram showing a power generation system using biomass negative carbon emission in Example 1 of the present application.
[0036] Reference numerals: 1- biomass power generation unit, 2-flue gas pre-treatment unit, 3-carbon dioxide prepared carbon nanotube unit, 4-carbon nanotube refining unit, 5-water pre-treatment unit, 6-electrolysis hydrogen production unit, 7-hydrogen collection unit, 8-oxygen collection unit, 9-air separation unit. Detailed Description of the Embodiments
[0037] The following examples are provided for a better further understanding of the present application and are not intended to limit the content and scope of the present application, and any product which is the same or similar to the present application and is obtained by any person under the inspiration of the present application or by combining the present application with other prior art features falls within the scope of the present application.
[0038] Where specific experimental procedures or conditions are not specified in the examples, they may be performed according to routine experimental procedures or conditions described in the literature in the art. The reagents or instruments used are not specified by the manufacturer and are conventional products commercially available.
[0039] Example 1
[0040] This example provides a power generation system using biomass negative carbon emission, as shown in FIG. 1, including:
[0041] a biomass power generation unit 1;
[0042] where a flue gas outlet of the biomass power generation unit 1 is connected to an inlet of the flue gas pre-treatment unit 2, and the outlet of the flue gas pre-treatment unit 2 is connected to a CO2 inlet of a carbon dioxide prepared carbon nanotube unit 3;
[0043] a waste water outlet of the biomass power generation unit 1 is connected to an inlet of a water pre-treatment unit 5, and the outlet of the water pre-treatment unit 5 is connected to a water inlet of an electrolysis hydrogen production unit 6; a hydrogen outlet of the electrolysis hydrogen production unit 6 is connected to an inlet of a hydrogen collection unit 7, and an outlet of the hydrogen collection unit 7 is connected to a hydrogen inlet of the carbon dioxide prepared carbon nanotube unit 3.
[0044] In the above-mentioned system, the flue gas generated by power generation in the biomass power generation unit 1 is introduced into the flue gas pre-treatment unit 2, and after the flue gas pre-treatment unit 2, impurities such as dust in the flue gas are filtered and pre-treated, and then directly is introduced into the carbon dioxide prepared carbon nanotube unit 3 for preparing carbon nanotubes by an electrochemical method; the waste water generated by power generation in the biomass power generation unit 1 is pre-treated by the water pre-treatment unit 5; and the water treatment unit 5 removes impurities such as suspended substances and colloids in the raw water in a flocculation reaction precipitation process, so that the waste water meets the technical requirements for hydrogen production by water electrolysis. The water treated by the water treatment unit 5 should meet the technical requirements of the water electrolysis hydrogen production system GB / T19774-2005. The water meeting the requirements is introduced into the hydrogen produced by the electrolysis hydrogen production unit 6 and is introduced into the carbon nanotubes produced by carbon dioxide unit 3 for the electrochemical preparation of carbon nanotubes. The above-mentioned system can effectively reduce the emission of carbon dioxide, not only the utilization of biomass is improved, the resulting products have a higher economic value, but also negative CO2 emissions are achieved.
[0045] As an optimized embodiment, the product outlet of the carbon dioxide prepared carbon nanotube unit 3 is connected to a carbon nanotube refining unit 4 to further refine the prepared carbon nanotubes.
[0046] As an optimized embodiment, the oxygen outlet of the electrolysis hydrogen production unit 6 is connected to the inlet of the oxygen collection unit 8, and the outlet of the oxygen collection unit 8 is connected to the oxygen inlet of the biomass unit 1, achieving the utilization of the whole components of the biomass.
[0047] As an alternative embodiment, the biomass power generation unit 1 is connected to the carbon dioxide prepared carbon nanotube unit 3 via a power line, so that the carbon dioxide prepared carbon nanotube unit 3 is carbon dioxide prepared carbon nanotube unit 3 in the system for preparing carbon nanotubes using a electrochemical method.
[0048] As an optimized embodiment, control valves are provided on the connecting pipelines of the carbon dioxide prepared carbon nanotube unit 3, the flue gas pre-treatment unit 2 and the hydrogen collection unit 7, and by providing the control valves, the amounts of carbon dioxide and hydrogen being introduced into the carbon dioxide prepared carbon nanotube unit 3 are cooperatively regulated to achieve the control of carbon nanotube preparation.
[0049] As an optimized embodiment, control valves are provided on a connecting pipelines among the water pre-treatment unit 5 and the electrolysis hydrogen production unit 6 and the biomass power generation unit 1, and due to the arrangement of the control valve, two water paths of the water pre-treatment unit 5 and the electrolysis hydrogen production unit 6 and the water pre-treatment unit 5 and the biomass power generation unit 1 can be cooperatively regulated.
[0050] As an optimized embodiment, a control valve is provided on the connecting pipeline between the carbon nanotube refining unit 4 and the carbon dioxide prepared carbon nanotube unit 3 to control the amount of refining by the carbon nanotube refining unit 4.
[0051] As an alternative embodiment, an air separation unit 9 is also included, the air separation unit 9 being connected to an oxygen inlet of the biomass power generation unit 1, in this embodiment, the oxygen of the biomass power generation unit 1 is derived from air obtained through the air separation unit 9.
[0052] As an optimized embodiment, the outlet of the water pre-treatment unit 5 is connected to the water inlet in the biomass power generation unit 1, most of the recycled water treated by the water pre-treatment unit 5 is returned to the biomass power generation unit 1 for recycling, and a small portion of the water is sent to the electrolysis hydrogen production unit 6 for electrolysis hydrogen production, so as to achieve full utilization of resources.
[0053] Example 2
[0054] This example provides an operating method for the power generation system using biomass negative carbon emission of Example 1, including:
[0055] performing biomass power generation by the biomass power generation unit 1 to generate electric energy, and in the power generation process, flue gas and waste water generated by the biomass power generation unit 1 are treated and used via the following two routes:
[0056] introducing the flue gas generated by the biomass power generation unit 1 into the flue gas pre-treatment unit 2 to be treated and then introducing same into the carbon dioxide prepared carbon nanotube unit 3 to prepare carbon nanotubes using an electrochemical method; and
[0057] treating the waste water produced by the biomass power generation unit 1 by the water pre-treatment unit 5 and then introducing same into the electrolysis hydrogen production unit 6; collecting the hydrogen produced by the electrolysis hydrogen production unit 6 by the hydrogen collection unit 7 and then introducing same into the carbon dioxide prepared carbon nanotube unit 3 to prepare carbon nanotubes using an electrochemical method.
[0058] The above-mentioned flue gas and waste water generated by the biomass power generation unit 1 are treated and used through two routes, which can effectively reduce the emission of carbon dioxide in biomass power generation, not only the utilization of biomass is improved, the resulting products have a higher economic value, but also negative CO2 emissions are achieved with a high degree of automation.
[0059] As an optimized embodiment, the product obtained from the carbon dioxide prepared carbon nanotube unit 3 is introduced into a carbon nanotube refining unit 4 for refining.
[0060] As an optimized embodiment, the oxygen produced by the electrolysis hydrogen production unit 6 is collected by the oxygen collection unit 8 and then introduced into the biomass unit 1, making full use of the waste water resources generated by biomass power generation.
[0061] As an alternative embodiment, the electrical energy generated by the biomass power generation unit 1 provides electrical energy to the carbon dioxide prepared carbon nanotube unit 3 via a power line.
[0062] As an optimized embodiment, the air separation unit 9 separates pure nitrogen and oxygen in a required ratio and then is introduced into the biomass power generation unit 1 for biomass power generation.
[0063] As an optimized embodiment, the water generated by the water pre-treatment unit 5 is introduced into the biomass power generation unit 1, most of the recycled water treated by the water pre-treatment unit 5 returns to the biomass power generation unit 1 for recycling, and a small portion of the water is sent to the electrolysis hydrogen production unit 6 for electrolysis hydrogen production, so as to achieve full utilization of resources
[0064] As an optimized embodiment, the oxygen content in the reaction atmosphere in the biomass power generation unit 1 is between 0.5v / v% and 5v / v%, in this example 3v / v% is selected.
[0065] As an optimized embodiment, the molar ratio of the feed gas H2:CO2in the carbon dioxide prepared carbon nanotube unit is 2.15 to 5.27, and in this example, the molar ratio of H2:CO2 of 3.5 is chosen.
[0066] As shown in FIG. 1, straw is fed into a biomass power generation unit 1 for power generation, the flue gas generated in the biomass power generation unit 1 is introduced into a flue gas pre-treatment unit 2 to be treated, the flue gas pre-treatment unit 2 filters and pre-treats impurities such as dust in the flue gas and is directly introduced into a carbon dioxide prepared carbon nanotube unit 3 to prepare carbon nanotubes using an electrochemical method; the waste water produced by the biomass power generation unit 1 is treated by a water pre-treatment unit 5; the water treatment unit 5 uses a flocculation reaction precipitation process to remove impurities such as suspended substances and colloids in the raw water, so that the waste water meets the technical requirements of water electrolysis hydrogen production and then is introduced into an electrolysis hydrogen production unit 6; the hydrogen produced by the electrolysis hydrogen production unit 6 is collected by a hydrogen collection unit 7 and then is introduced into a carbon dioxide prepared carbon nanotube unit 3 to prepare carbon nanotubes using an electrochemical method. The electric energy of the carbon dioxide-made carbon dioxide prepared carbon nanotube unit 3 is provided by the electric energy generated by the biomass power generation unit 1 through an electric power line. The molar ratio of the feed gas H2:CO2 in the carbon dioxide prepared carbon nanotube unit is regulated to 2.15 to 5.27 by controlling a control valve provided on connecting pipelines of the carbon dioxide prepared carbon nanotube unit 3, the flue gas pre-treatment unit 2 and the hydrogen collection unit 7; in this example, the molar ratio of 3.5 of H2:CO2 is chosen. The product obtained from the carbon dioxide prepared carbon nanotube unit 3 is introduced into a carbon nanotube refining unit 4 for refining. The oxygen content in the reaction atmosphere in the biomass power generation unit 1 is regulated to be 0.5v / v%-5v / v%, and 3v / v% is selected in this example; a part of the oxygen-containing reaction atmosphere in the biomass power generation unit 1 is obtained by separation from the air separation unit 9, and a part thereof is obtained from the oxygen produced in the electrolysis hydrogen production unit 6; the oxygen produced in the electrolysis hydrogen production unit 6 is collected by the oxygen collection unit 8 and is introduced into the biomass unit 1 to regulate the oxygen content in the reaction atmosphere by the above-mentioned two parts. In order to save resources, most of the recycled water treated by the water pre-treatment unit 5 returns to the biomass power generation unit 1 for recycling. The results show that when the amount of straw is 200t / h, negative carbon emission is achieved in the whole biomass power generation system, and the yield of carbon nanotubes per hour is 43.1 t / h.
[0067] It is to be understood that the above-described examples are merely illustrative for clarity and are not restrictive of the embodiments. It will be apparent to a person skilled in the art that various other modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. All embodiments need not be, and cannot be, exhaustive. Obvious modifications or variations are possible in light of the above teachings.
Claims
1. An operating method for a power generation system using biomass, the power generation system using biomass comprising:a biomass power generation unit; andan air separation unit connected to an oxygen inlet of the biomass power generation unit;wherein a flue gas outlet of the biomass power generation unit is connected to an inlet of a flue gas pre-treatment unit, and an outlet of the flue gas pre-treatment unit is connected to a CO2 inlet of a carbon nanotube production unit;a waste water outlet of the biomass power generation unit is connected to an inlet of a water pre-treatment unit, and an outlet of the water pre-treatment unit is connected to a water inlet of an electrolysis hydrogen production unit and a water inlet of the biomass power generation unit; a hydrogen outlet of the electrolysis hydrogen production unit is connected to an inlet of a hydrogen collection unit, and an outlet of the hydrogen collection unit is connected to a hydrogen inlet of the carbon nanotube production unit; the waste water is water captured from the flue gas;wherein a product outlet of the carbon nanotube production unit is connected to a carbon nanotube refining unit;wherein an oxygen outlet of the electrolysis hydrogen production unit is connected to an inlet of an oxygen collection unit, and an outlet of the oxygen collection unit is connected to an oxygen inlet of the biomass power generation unit; andwherein the biomass power generation unit is connected to the carbon nanotube production unit via a power line;the operating method comprising:performing, by the biomass power generation unit, biomass power generation to generate electric energy;introducing the flue gas generated by the biomass power generation unit into a flue gas pre-treatment unit to be treated and then introducing same into the carbon nanotube production unit to prepare carbon nanotubes using an electrochemical method; andtreating the waste water produced by the biomass power generation unit by the water pre-treatment unit and then introducing same into the electrolysis hydrogen production unit; collecting the hydrogen produced by the electrolysis hydrogen production unit by the hydrogen collection unit and then introducing same into the2022406226 17 Jun 2026carbon nanotube production unit to prepare carbon nanotubes using an electrochemical method;wherein a product obtained by the carbon nanotube production unit is introduced into a carbon nanotube refining unit for refining;wherein the oxygen produced by the electrolysis hydrogen production unit is collected by an oxygen collection unit and then introduced into the biomass power generation unit; and the electrical energy generated by the biomass power generation unit provides electrical energy to the carbon nanotube production unit via a power line.
2. The operating method according to claim 1, wherein the oxygen content in a reaction atmosphere in the biomass power generation unit is from 0.5v / v% to 5v / v%.
3. The operating method according to claim 1, wherein the molar ratio of a feed gas H2:CO2 in the carbon nanotube production unit is 2.15 to 5.27.
4. The operating method according to claim 1, wherein control valves are all provided on connecting pipelines among the carbon nanotube production unit, the flue gas pre-treatment unit and the hydrogen collection unit.
5. The operating method according to claim 1, wherein control valves are provided on connecting pipelines among the water pre-treatment unit and the electrolysis hydrogen production unit and the biomass power generation unit.
6. The operating method according to claim 1, wherein a control valve is provided on a connecting pipeline between the carbon nanotube refining unit and the carbon nanotube production unit.