CN111253966A - Environment-friendly wood leftover material recycling and harmless treatment method - Google Patents
Environment-friendly wood leftover material recycling and harmless treatment method Download PDFInfo
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- CN111253966A CN111253966A CN202010193967.1A CN202010193967A CN111253966A CN 111253966 A CN111253966 A CN 111253966A CN 202010193967 A CN202010193967 A CN 202010193967A CN 111253966 A CN111253966 A CN 111253966A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
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- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses an environment-friendly wood leftover material recycling and harmless treatment method, which comprises the following steps: step one, collecting waste materials; step two, cleaning and crushing; step three, preparing a solvent; step four, wood liquefaction; step five, liquid treatment, step six, gas collection; step seven, packaging fuel; in the first step, when a wood product is prepared, a large amount of wood leftover materials are usually generated, the wood leftover materials are collected and recycled, and then the wood leftover materials are placed in a designated container, in the second step, clear water is added into the collected wood leftover materials, the collected wood leftover materials are changed into pollution-free liquid fuel by the treatment method, the utilization rate of wood can be improved, the environment cannot be polluted, the fuel efficiency is good, the heat is large, the combustion time is longer than that of other fuels, the generated gas can be used for producing combustion gases such as wood gas, and the environment is prevented from being influenced by greenhouse gases.
Description
Technical Field
The invention relates to the technical field of fuels, in particular to an environment-friendly wood leftover material recycling and harmless treatment method.
Background
Wood is a lignified tissue formed by plants capable of secondary growth, such as trees and shrubs; after the primary growth of these plants is finished, the vascular layer in the rootstocks starts to move, so that the bast is developed outwards, and the wood is developed inwards, and the direct use of the wood is as follows: buildings, pitted wood, electric poles, sleepers, packages, furniture, craft sculptures, ships and sports equipment; the raw materials used by chemical processing or special processing comprise: papermaking, rayon, regenerated cellulose, nitrocellulose, cellulose acetate, ethyl cellulose, and the like; when wood is directly used and used as a raw material through chemical or special processing, a large amount of leftover materials are often generated due to processing requirements, and the recycling requirement of the wood is crucial to the recycling and treatment process of the leftover materials;
disclosure of Invention
The invention aims to provide an environment-friendly wood leftover material recycling and harmless treatment method to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an environment-friendly wood leftover material recycling and harmless treatment method comprises the following steps: step one, collecting waste materials; step two, cleaning and crushing; step three, preparing a solvent; step four, wood liquefaction; step five, liquid treatment; collecting gas; step seven, packaging fuel;
in the first step, when the wood product is prepared, a large amount of wood leftover materials are usually generated, and the wood leftover materials are collected and recycled and then placed into a designated container;
adding clear water into the collected wood leftover materials, cleaning, separating other magazines, filtering and drying, then pouring the treated wood leftover materials into a pulverizer, and pulverizing the wood leftover materials;
taking a certain amount of sodium carbonate powder, then taking a proper amount of clear water, pouring the sodium carbonate powder into the clear water, stirring and dissolving, then heating to keep the temperature between 50 and 60 ℃, stirring again, completely dissolving all the sodium carbonate powder, slowly cooling after completely dissolving, and cooling to room temperature;
in the fourth step, adding the sodium carbonate aqueous solution into the wood powder, stirring until a slurry mixture is formed, then completely pouring the slurry mixture into a reaction device, introducing a large amount of helium gas, then heating up and heating to keep the temperature between 290 ℃ and 320 ℃, simultaneously carrying out pressurization treatment on the interior of the reaction device to keep the pressure between 20 MPa and 130MPa and the heating time between 45 min and 75min, then rapidly cooling the reaction gas, and then collecting the condensation product;
in the fifth step, the semi-solid state condensation product is poured into organic solvents such as acetone and methanol dichloride, and then stirred and dissolved, and then filtered, and then placed into a heating device for heating, so as to ensure that the organic solvent in the solution can be completely evaporated, and thus the black brown oily liquid fuel can be obtained;
in the sixth step, during the heating process, a steam mixture is also generated, the steam mixture is cooled and separated by using dry distillation equipment, and separated gas products are collected, compressed and stored in a specified container;
and in the seventh step, collecting the dark brown oily liquid fuel, dividing into the same volume, placing into a designated container for packaging, numbering, recording, and storing in a warehouse.
According to the technical scheme, in the second step, the diameter of the powder of the wood leftover after being crushed is 0.05-0.5mm, the powder exceeding the diameter range is filtered, and then the wood leftover is crushed again.
According to the technical scheme, in the third step, the container in which the sodium carbonate solution is dissolved is cleaned and heated, so that oil and dust are avoided.
According to the technical scheme, in the fourth step, in the helium environment, equipment such as an induced draft fan and the like is started, the cooling time is reduced as far as possible, and therefore the liquid fuel component can be improved.
According to the technical scheme, in the fifth step, the temperature is kept between 70 and 80 ℃ in the heating distillation process.
According to the technical scheme, in the sixth step, the gas is called wood gas or non-condensable gas, and the gas comprises carbon dioxide, carbon monoxide, methane, ethylene and hydrogen.
Compared with the prior art, the invention has the following beneficial effects: the wood leftover material recycling and harmless treatment method changes collected wood leftover materials into pollution-free liquid fuel, can improve the utilization rate of wood, does not pollute the environment, has good fuel efficiency and large combustion heat, has longer combustion time compared with other fuels, can utilize generated gas to produce combustion gases such as wood gas and the like, and avoids the influence of some greenhouse gases on the environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall plan structure of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an environment-friendly wood leftover material recycling and harmless treatment method comprises the following steps: step one, collecting waste materials; step two, cleaning and crushing; step three, preparing a solvent; step four, wood liquefaction; step five, liquid treatment; collecting gas; step seven, packaging fuel;
in the first step, when the wood product is prepared, a large amount of wood leftover materials are usually generated, and the wood leftover materials are collected and recycled and then placed into a designated container;
adding clear water into the collected wood leftover materials in the second step, cleaning, separating other magazines, filtering and drying, then pouring the treated wood leftover materials into a pulverizer, pulverizing the wood leftover materials, and in the second step, ensuring the diameter of the pulverized wood leftover materials to be between 0.05 and 0.5mm, filtering the powder exceeding the diameter range, and then re-pulverizing;
taking a certain amount of sodium carbonate powder, then taking a proper amount of clear water, pouring the sodium carbonate powder into the clear water, stirring and dissolving, then heating to keep the temperature between 50 and 60 ℃, then stirring, completely dissolving all the sodium carbonate powder, slowly cooling after completely dissolving, cooling to room temperature, and in the third step, cleaning and heating the container in which the sodium carbonate solution is dissolved to ensure that no oil and dust exist;
in the fourth step, sodium carbonate aqueous solution is added into the wood powder, then stirring is carried out until a slurry mixture is formed, then the whole mixture is poured into a reaction device, then a large amount of helium gas is introduced, then heating is carried out, the temperature is kept between 290 ℃ and 320 ℃, meanwhile, pressurization treatment is carried out inside the reaction device, the pressure is kept between 20 MPa and 130MPa, the heating time is 45 min to 75min, then the reaction gas is rapidly cooled, then the condensation product is collected, and in the fourth step, in the helium environment, equipment such as a draught fan and the like is started, the cooling time is reduced as far as possible, so that the liquid fuel component can be improved;
pouring the semi-solid state condensation product into organic solvents such as acetone and methanol dichloride and the like, stirring and dissolving, filtering after dissolving, and then heating in a heating device to ensure that the organic solvents in the solution can be completely evaporated, so that black brown oily liquid fuel can be obtained, wherein in the step five, the temperature is kept between 70 and 80 ℃ in the heating and distilling process;
in the sixth step, during the heating process, a steam mixture is also generated, the steam mixture is cooled and separated by using dry distillation equipment, and the separated gas product is collected, compressed and stored in a specified container, wherein in the sixth step, the gas is called wood gas or non-condensable gas, and the gas contains carbon dioxide, carbon monoxide, methane, ethylene and hydrogen;
and in the seventh step, collecting the dark brown oily liquid fuel, dividing into the same volume, placing into a designated container for packaging, numbering, recording, and storing in a warehouse.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An environment-friendly wood leftover material recycling and harmless treatment method comprises the following steps: step one, collecting waste materials; step two, cleaning and crushing; step three, preparing a solvent; step four, wood liquefaction; step five, liquid treatment; collecting gas; step seven, packaging fuel; the method is characterized in that:
in the first step, when the wood product is prepared, a large amount of wood leftover materials are usually generated, and the wood leftover materials are collected and recycled and then placed into a designated container;
adding clear water into the collected wood leftover materials, cleaning, separating other magazines, filtering and drying, then pouring the treated wood leftover materials into a pulverizer, and pulverizing the wood leftover materials;
taking a certain amount of sodium carbonate powder, then taking a proper amount of clear water, pouring the sodium carbonate powder into the clear water, stirring and dissolving, then heating to keep the temperature between 50 and 60 ℃, stirring again, completely dissolving all the sodium carbonate powder, slowly cooling after completely dissolving, and cooling to room temperature;
in the fourth step, adding the sodium carbonate aqueous solution into the wood powder, stirring until a slurry mixture is formed, then completely pouring the slurry mixture into a reaction device, introducing a large amount of helium gas, then heating up and heating to keep the temperature between 290 ℃ and 320 ℃, simultaneously carrying out pressurization treatment on the interior of the reaction device to keep the pressure between 20 MPa and 130MPa and the heating time between 45 min and 75min, then rapidly cooling the reaction gas, and then collecting the condensation product;
in the fifth step, the semi-solid state condensation product is poured into organic solvents such as acetone and methanol dichloride, and then stirred and dissolved, and then filtered, and then placed into a heating device for heating, so as to ensure that the organic solvent in the solution can be completely evaporated, and thus the black brown oily liquid fuel can be obtained;
in the sixth step, during the heating process, a steam mixture is also generated, the steam mixture is cooled and separated by using dry distillation equipment, and separated gas products are collected, compressed and stored in a specified container;
and in the seventh step, collecting the dark brown oily liquid fuel, dividing into the same volume, placing into a designated container for packaging, numbering, recording, and storing in a warehouse.
2. The method for recycling and harmlessly treating the environment-friendly wood leftover material according to claim 1, characterized by comprising the following steps: in the second step, the diameter of the powder of the wood leftover after being crushed is between 0.05 and 0.5mm, the powder exceeding the diameter range is filtered, and then the wood leftover is crushed again.
3. The method for recycling and harmlessly treating the environment-friendly wood leftover material according to claim 1, characterized by comprising the following steps: and in the third step, the container in which the sodium carbonate solution is dissolved is cleaned and heated, so that no oil and dust exist.
4. The method for recycling and harmlessly treating the environment-friendly wood leftover material according to claim 1, characterized by comprising the following steps: in the fourth step, in the helium environment, equipment such as an induced draft fan and the like is started, so that the cooling time is reduced as much as possible, and the liquid fuel component can be improved.
5. The method for recycling and harmlessly treating the environment-friendly wood leftover material according to claim 1, characterized by comprising the following steps: in the fifth step, the temperature is kept between 70 and 80 ℃ during the heating distillation process.
6. The method for recycling and harmlessly treating the environment-friendly wood leftover material according to claim 1, characterized by comprising the following steps: in the sixth step, the gas is called wood gas or non-condensable gas, and the gas comprises carbon dioxide, carbon monoxide, methane, ethylene and hydrogen.
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| CN202010193967.1A CN111253966A (en) | 2020-03-19 | 2020-03-19 | Environment-friendly wood leftover material recycling and harmless treatment method |
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| CN202010193967.1A CN111253966A (en) | 2020-03-19 | 2020-03-19 | Environment-friendly wood leftover material recycling and harmless treatment method |
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