CN114058395A - Method for producing carbonized material by using solid waste - Google Patents
Method for producing carbonized material by using solid waste Download PDFInfo
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- CN114058395A CN114058395A CN202111408989.6A CN202111408989A CN114058395A CN 114058395 A CN114058395 A CN 114058395A CN 202111408989 A CN202111408989 A CN 202111408989A CN 114058395 A CN114058395 A CN 114058395A
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- solid waste
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- 239000005539 carbonized material Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000002910 solid waste Substances 0.000 title claims abstract description 20
- 238000003763 carbonization Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003245 coal Substances 0.000 claims abstract description 10
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 239000000571 coke Substances 0.000 claims abstract description 8
- 239000002006 petroleum coke Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000010000 carbonizing Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011847 coal-based material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000012691 depolymerization reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
- C10B55/02—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material with solid materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to the technical field of carbon-based materials, in particular to a method for producing a carbonized material by using solid waste, which comprises the following steps: putting the raw materials into a closed carbonization tank, putting the carbonization tank into a carbonization furnace, heating, raising the temperature, and then preserving the temperature, wherein the temperature raising heating adopts three-stage temperature raising; the raw materials comprise the following components in parts by weight: 50-60 parts of coal slime, 15-25 parts of petroleum coke, 5-15 parts of coke powder, 5-10 parts of asphalt and 3-10 parts of semi coke. The raw materials adopted by the invention are all solid wastes, so that the production cost of the carbonized material is greatly reduced, and the preparation method adopts three-stage heating reaction, so that the performance of the product is improved.
Description
Technical Field
The invention relates to the technical field of carbon-based materials, in particular to a method for producing a carbonized material by utilizing solid waste.
Background
The carbonized material as a carbon-based material has great application potential in the technical fields of iron and steel smelting, activated carbon adsorption, carbon-based electrodes and the like, the production method of the carbonized material in the prior art generally adopts coal-based materials such as raw coal and the like to be heated by a carbonization furnace, such as CN101812309A, CN103865551A and the like, the cost of the raw coal carbonized raw material used in the patent is high, and meanwhile, the prior art also has the technical problems of poor performance, poor strength and the like of the finished carbonized material.
Disclosure of Invention
Aiming at the problems of high production cost, poor strength and the like of the carbonized materials in the prior art, the invention provides a method for producing the carbonized materials by utilizing solid wastes, which has the advantages of low cost, high product strength and the like.
The invention provides a method for producing a carbonized material by using solid waste, which comprises the following steps: putting the raw materials into a closed carbonization tank, putting the carbonization tank into a carbonization furnace, heating, raising the temperature, and then preserving the temperature, wherein the temperature raising heating adopts three-stage temperature raising;
the raw materials comprise the following components in parts by weight: 50-60 parts of coal slime, 15-25 parts of petroleum coke, 5-15 parts of coke powder, 5-10 parts of asphalt and 3-10 parts of semi coke.
Further, the method for producing the carbonized material by utilizing the solid waste specifically comprises the following steps:
(1) crushing, stirring, kneading and compacting the raw materials to prepare a carbon material;
(2) placing the carbon material into a closed carbonization tank, and placing the carbonization tank into a combustion chamber of a carbonization furnace;
(3) setting a carbonization furnace to heat up, preserving heat after heating up, and carbonizing the charcoal material to obtain the carbonized material.
Further, the three-stage temperature rise is as follows: the first stage is to heat from room temperature to 550-650 ℃; the second stage is to heat from 550-650 ℃ to 700-800 ℃; the third stage is to raise the temperature from 700-800 ℃ to 900-950 ℃.
Furthermore, the temperature rise time of the first stage is 30-40 h; the temperature rise time of the second stage is 30-40 h; the temperature rise time of the third stage is 30-40 h.
Further, the heat preservation temperature is 900-950 ℃, and the heat preservation time is 0.5-1 h.
Furthermore, the carbonization tank is made of stainless steel.
Furthermore, the top end of the carbonization tank is provided with an exhaust port for exhausting volatile gas generated by carbonization reaction.
Further, the raw materials comprise the following components in parts by weight: 55 parts of coal slime, 20 parts of petroleum coke, 10 parts of coke powder, 10 parts of asphalt and 5 parts of semi coke.
The invention has the beneficial effects that:
(1) the raw materials adopted by the invention are all solid wastes, so that the production cost of the carbonized material is greatly reduced, and meanwhile, the solid wastes can be utilized, so that the environmental pollution is reduced;
(2) the coal slime and the asphalt in the raw materials have certain viscosity and are key components for carbonization after the mixture is compacted and molded;
(3) the fixed carbon content in the petroleum coke, the coke powder and the semi coke is higher, so that higher carbon elements are provided for the invention;
(4) the carbonization of the invention adopts three temperature rising stages, wherein the first stage can remove moisture and adsorbed gas in the carbon material, the material property tends to be more uniform after volatile components and moisture in the second stage are removed, depolymerization and decomposition reactions mainly occur at the temperature in the second stage, and the temperature in the third stage is higher, so that the weight loss is small in the polycondensation and carbonization stages. Under three-stage heating, the performance of the product is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a graph of the appearance and morphology of the carbonized material prepared in example 1.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.
Example 1
The method for producing the carbonized material by using the solid waste in the embodiment specifically comprises the following steps:
(1) crushing, stirring, kneading and compacting the raw materials to prepare the carbon material, wherein the raw materials comprise the following components in parts by weight: 55 parts of coal slime, 20 parts of petroleum coke, 10 parts of coke powder, 10 parts of asphalt and 5 parts of semi coke;
(2) putting the carbon material into a closed carbonization tank, putting the carbonization tank into a combustion chamber of a carbonization furnace, wherein the carbonization tank is made of stainless steel and is provided with an exhaust port at the top end, and the exhaust port is used for exhausting volatile gas generated by carbonization reaction;
(3) setting a carbonization furnace to heat up, preserving heat after heating up, and carbonizing a carbon material to prepare a carbonized material, wherein the heating up and heating are carried out in three stages, the temperature is raised from room temperature to 600 ℃ in the first stage, and the temperature raising time is 32 hours; in the second stage, the temperature is increased from 600 ℃ to 750 ℃ for 32 h; and in the third stage, the temperature is increased from 750 ℃ to 900 ℃, the temperature rise time is 32h, the temperature is kept at 900 ℃ for 0.5h, and the carbonized material is taken out of the carbonization tank after cooling to obtain a finished carbonized material.
FIG. 1 shows the appearance and appearance of the obtained carbonized material finished product, and the finished product is black and bright in appearance and uniform in texture.
The physical and chemical properties of the samples of the embodiment are detected, and the detection standard is as follows: industrial analysis (GB/T2001-2013), total sulfur (GB/T2286-2017), calorific value (GB/T213-2008), hydrogen (GB/T476-2008), ash content (GB/T1574-2007), reactivity and post-reaction strength (GB/T4000-2017), mechanical strength (GB/T2006-2008), specific results of the industrial analysis are shown in table 1, and results of the strength test are shown in table 2.
Table 1 example 1 sample industrial analysis test data
Table 2 example 1 sample strength test data
As can be seen from Table 1, the properties of the carbonized material prepared by the method meet the national standard requirements, and as can be seen from Table 2, the crushing strength of the prepared carbonized material is 86.88%, and the wear resistance is 8.12%, which indicates that the physical form of the carbonized material is not easily damaged in the transportation and storage processes.
Example 2
The method for producing the carbonized material by using the solid waste in the embodiment specifically comprises the following steps:
(1) crushing, stirring, kneading and compacting the raw materials to prepare the carbon material, wherein the raw materials comprise the following components in parts by weight: 50 parts of coal slime, 25 parts of petroleum coke, 15 parts of coke powder, 5 parts of asphalt and 8 parts of semi coke;
(2) putting the carbon material into a closed carbonization tank, putting the carbonization tank into a combustion chamber of a carbonization furnace, wherein the carbonization tank is made of stainless steel and is provided with an exhaust port at the top end, and the exhaust port is used for exhausting volatile gas generated by carbonization reaction;
(3) setting a carbonization furnace to heat up, preserving heat after heating up, and carbonizing a carbon material to prepare a carbonized material, wherein the heating up and heating are carried out in three stages, the first stage is to heat up from room temperature to 550 ℃, and the heating up time is 38 hours; the second stage is to heat the temperature from 550 ℃ to 800 ℃ for 37 h; and in the third stage, the temperature is raised from 800 ℃ to 950 ℃ for 34h, the temperature is kept at 950 ℃ for 1h, and the carbonized material is taken out of the carbonization tank after cooling to obtain a finished carbonized material.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention.
Claims (8)
1. A method for producing carbonized material by using solid waste is characterized by comprising the following steps: putting the raw materials into a closed carbonization tank, putting the carbonization tank into a carbonization furnace, heating, raising the temperature, and then preserving the temperature, wherein the temperature raising heating adopts three-stage temperature raising;
the raw materials comprise the following components in parts by weight: 50-60 parts of coal slime, 15-25 parts of petroleum coke, 5-15 parts of coke powder, 5-10 parts of asphalt and 3-10 parts of semi coke.
2. The method for producing carbonized material using solid waste as claimed in claim 1, comprising the steps of:
(1) crushing, stirring, kneading and compacting the raw materials to prepare a carbon material;
(2) placing the carbon material into a closed carbonization tank, and placing the carbonization tank into a combustion chamber of a carbonization furnace;
(3) setting a carbonization furnace to heat up, preserving heat after heating up, and carbonizing the charcoal material to obtain the carbonized material.
3. A method for producing carbonized material using solid waste as claimed in claim 1 or 2, wherein the three-stage temperature raising is: the first stage is to heat from room temperature to 550-650 ℃; the second stage is to heat from 550-650 ℃ to 700-800 ℃; the third stage is to raise the temperature from 700-800 ℃ to 900-950 ℃.
4. The method for producing carbonized material using solid waste as claimed in claim 3, wherein the first-stage heating time is 30 to 40 hours; the temperature rise time of the second stage is 30-40 h; the temperature rise time of the third stage is 30-40 h.
5. The method for producing carbonized material using solid waste as described in claim 1 or 2, wherein the holding temperature is 900-.
6. A method for producing carbonized material using solid waste as described in claim 1 or 2, wherein the carbonization vessel is made of stainless steel.
7. The method for producing carbonized material using solid waste as described in claim 1 or 2, wherein the top end of the carbonization tank is provided with a gas discharge port for discharging volatile gas generated by the carbonization reaction.
8. The method for producing carbonized material by using solid waste as claimed in claim 1, wherein the raw material comprises the following components in parts by weight: 55 parts of coal slime, 20 parts of petroleum coke, 10 parts of coke powder, 10 parts of asphalt and 5 parts of semi coke.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408989.6A CN114058395A (en) | 2021-11-24 | 2021-11-24 | Method for producing carbonized material by using solid waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408989.6A CN114058395A (en) | 2021-11-24 | 2021-11-24 | Method for producing carbonized material by using solid waste |
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| CN114058395A true CN114058395A (en) | 2022-02-18 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB378281A (en) * | 1930-11-20 | 1932-08-11 | Otto & Co Gmbh Dr C | Improvements relating to the production of high-class coke |
| CN203593725U (en) * | 2013-10-17 | 2014-05-14 | 湖州宜可欧环保科技有限公司 | High-capacity self-igniting non-pollution waste recycling carbonization furnace |
| RU2653509C1 (en) * | 2016-12-16 | 2018-05-10 | Общество с ограниченной ответственностью "Инштейн" (ООО "Инштейн") | Coke fuel briquette |
| CN109607528A (en) * | 2018-11-29 | 2019-04-12 | 北京清新环境技术股份有限公司 | A kind of carbon-based material and preparation method thereof based on carbonaceous dust collection powder |
| CN109607529A (en) * | 2018-11-29 | 2019-04-12 | 北京清新环境技术股份有限公司 | A kind of essence/distillation waste prepares molding carbon-based material and preparation method thereof |
| CN110257121A (en) * | 2019-04-23 | 2019-09-20 | 山东永丰新型材料科技有限公司 | A kind of preparation method producing molding biomass carbon fuel used to generate electricity |
| CN111004639A (en) * | 2019-12-07 | 2020-04-14 | 徐州东兴能源有限公司 | Production process of coke |
-
2021
- 2021-11-24 CN CN202111408989.6A patent/CN114058395A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB378281A (en) * | 1930-11-20 | 1932-08-11 | Otto & Co Gmbh Dr C | Improvements relating to the production of high-class coke |
| CN203593725U (en) * | 2013-10-17 | 2014-05-14 | 湖州宜可欧环保科技有限公司 | High-capacity self-igniting non-pollution waste recycling carbonization furnace |
| RU2653509C1 (en) * | 2016-12-16 | 2018-05-10 | Общество с ограниченной ответственностью "Инштейн" (ООО "Инштейн") | Coke fuel briquette |
| CN109607528A (en) * | 2018-11-29 | 2019-04-12 | 北京清新环境技术股份有限公司 | A kind of carbon-based material and preparation method thereof based on carbonaceous dust collection powder |
| CN109607529A (en) * | 2018-11-29 | 2019-04-12 | 北京清新环境技术股份有限公司 | A kind of essence/distillation waste prepares molding carbon-based material and preparation method thereof |
| CN110257121A (en) * | 2019-04-23 | 2019-09-20 | 山东永丰新型材料科技有限公司 | A kind of preparation method producing molding biomass carbon fuel used to generate electricity |
| CN111004639A (en) * | 2019-12-07 | 2020-04-14 | 徐州东兴能源有限公司 | Production process of coke |
Non-Patent Citations (2)
| Title |
|---|
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