CN115246738A - Production method of carbon square bricks produced by carbon production hazardous waste products - Google Patents
Production method of carbon square bricks produced by carbon production hazardous waste products Download PDFInfo
- Publication number
- CN115246738A CN115246738A CN202210959990.6A CN202210959990A CN115246738A CN 115246738 A CN115246738 A CN 115246738A CN 202210959990 A CN202210959990 A CN 202210959990A CN 115246738 A CN115246738 A CN 115246738A
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- China
- Prior art keywords
- carbon
- mixing
- hazardous waste
- dust
- production
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 54
- 239000011449 brick Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000002920 hazardous waste Substances 0.000 title claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000010426 asphalt Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000007580 dry-mixing Methods 0.000 claims abstract description 4
- 238000004898 kneading Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention discloses a production method of a carbon square brick regenerated by hazardous waste products in carbon production, which comprises the following steps: s1, preparation before mixing: mixing the components according to the percentage, including 30-35% of dust collecting powder, 10-15% of roasting electric tar, 45-50% of anode scrap powder and 6-8% of asphalt; s2, heating, mixing and stirring: conveying the dust-collecting powder into a kneading heating pot for dry mixing for 5-10 min, heating the dust-collecting powder to 40-55 ℃, and then mixing and stirring the dust-collecting powder and a mixture of roasted electric tar and asphalt which is heated to 90-95 ℃ to form a paste with plasticity; s3, vibration molding: after the paste material is taken out of the pot and cooled, and the temperature is reduced to 40-50 ℃, the production method of the carbon production hazardous waste product regenerated carbon square brick fuses and recycles three types of hazardous waste materials generated in the carbon production process, creates the productivity and the value, and greatly reduces the production cost of enterprises.
Description
Technical Field
The invention relates to the technical field of molten steel pouring, in particular to a production method of a carbon square brick regenerated from hazardous waste products in carbon production.
Background
Three main dangerous waste substances, namely dust collecting powder, anode scrap powder and roasted electrical tar, can be generated in each section in the carbon production process, and at present, the three dangerous waste substances cannot be reused, so that the resource waste is caused, and the production development requirements of energy conservation and emission reduction are not met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a production method of a carbon square brick regenerated by hazardous waste products produced in carbon production, integrates and recycles three types of hazardous waste substances produced in the carbon production process, creates capacity and value, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production method of a carbon square brick regenerated from hazardous waste products in carbon production comprises the following steps:
s1, preparation before mixing: mixing the components according to the percentage, including 30-35% of dust collecting powder, 10-15% of roasting electric tar, 45-50% of anode scrap powder and 6-8% of asphalt;
s2, heating, mixing and stirring: conveying the dust-collecting powder into a kneading heating pot for dry mixing for 5-10 min, heating the dust-collecting powder to 40-55 ℃, and then mixing and stirring the dust-collecting powder and a mixture of roasted electric tar and asphalt which is heated to 90-95 ℃ to form a paste with plasticity;
s3, vibration molding: cooling the paste taken out of the pot, cooling the paste, conveying the paste into a mold of a vibration forming machine after the temperature is reduced to 40-50 ℃, starting a vibration motor to vibrate for 40-60 s, and forming the paste into carbon square bricks with required sizes;
s4, a roasting process: and roasting the formed carbon square bricks in a roasting furnace at the temperature of 1100-1200 ℃ of a flame path, fully discharging ash in the carbon square bricks, and finally forming the carbon square brick product with high calorific value.
As a preferred technical scheme of the invention, the dust collecting powder has the granularity of 200 meshes and the fixed carbon content of more than or equal to 80 percent.
As a preferred technical scheme of the invention, the heat value of the carbon square brick product is 4500-7700 kilocalories, and the compressive strength is not less than 35Mpa.
As a preferred technical scheme of the invention, 3% -5% of graphite powder can be added in the step S1, and finally the calorific value of the carbon square brick is more than 7700 kilocalories.
Compared with the prior art, the invention has the beneficial effects that: the production method of the carbon square brick for producing the hazardous waste product regenerated carbon skillfully integrates three hazardous waste substances of dust collection powder, roasting electric tar and residual anode powder into a whole, and is convenient to transport and burn for use by making the square brick into a shape, wherein asphalt is used as a common raw material in the carbon industry, and the three hazardous waste substances are integrated by the asphalt, so that energy is saved, the combustion heat of the three hazardous waste substances can be exerted, the three hazardous waste substances can be recycled, the problems of difficult treatment and large waste amount of the hazardous waste substances in the carbon industry are solved, economic benefits can be generated, and the production development requirements of energy conservation and emission reduction are realized.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1: the invention provides a technical scheme that: a production method of a carbon square brick regenerated from hazardous waste products in carbon production comprises the following steps:
s1, preparation before mixing: the components are mixed according to the percentage and comprise 30 to 35 percent of dust collecting powder, 10 to 15 percent of roasted electric tar, 45 to 50 percent of anode scrap powder and 6 to 8 percent of asphalt, wherein the particle size of the dust collecting powder is 200 meshes of particles, and the fixed carbon content is more than or equal to 80 percent;
s2, heating, mixing and stirring: conveying the dust-collecting powder into a kneading heating pot for dry mixing for 5-10 min, heating the dust-collecting powder to 40-55 ℃, and then mixing and stirring the dust-collecting powder and a mixture of roasted electric tar and asphalt which is heated to 90-95 ℃ to form a paste with plasticity;
s3, vibration molding: cooling the paste taken out of the pot, cooling the paste to 40-50 ℃, conveying the paste into a mold of a vibration forming machine after the temperature is reduced to 40-50 ℃, starting a vibration motor to vibrate for 40-60 s, and forming the paste into carbon square bricks with required sizes;
s4, a roasting process: and roasting the formed carbon square bricks in a roasting furnace at the temperature of 1100-1200 ℃ of a flame path, fully discharging ash in the carbon square bricks, and finally forming the carbon square brick product with high calorific value.
The carbon square brick product produced by the steps has the heat value of 4500-7700 kilocalories, high heat value and compressive strength of not less than 35Mpa, can be used as combustion energy, realizes the cyclic utilization of hazardous waste substances, reduces the production cost of enterprises, and realizes the reasonable utilization of resources.
Example 2: the difference from the embodiment 1 is that 3% -5% of graphite powder can be added in the step S1 of the embodiment 1, the heat value of the final carbon brick is more than 7700 kilocalories, the graphite powder has higher heat value, the combustion heat value of the carbon brick finished product can be greatly improved, carbon bricks with different combustion heat values are manufactured according to different requirements of customers, product diversification is realized, and the market demand is expanded.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A production method of a carbon square brick regenerated from hazardous waste products in carbon production is characterized by comprising the following steps: the method comprises the following steps:
s1, preparation before mixing: mixing the components according to the percentage, including 30-35% of dust collecting powder, 10-15% of roasting electric tar, 45-50% of anode scrap powder and 6-8% of asphalt;
s2, heating, mixing and stirring: conveying the dust-collecting powder into a kneading heating pot for dry mixing for 5-10 min, heating the dust-collecting powder to 40-55 ℃, and then mixing and stirring the dust-collecting powder and a mixture of roasted electric tar and asphalt which is heated to 90-95 ℃ to form a paste with plasticity;
s3, vibration molding: cooling the paste taken out of the pot, cooling the paste to 40-50 ℃, conveying the paste into a mold of a vibration forming machine after the temperature is reduced to 40-50 ℃, starting a vibration motor to vibrate for 40-60 s, and forming the paste into carbon square bricks with required sizes;
s4, a roasting process: and roasting the formed carbon square bricks in a roasting furnace at the temperature of 1100-1200 ℃ of a flame path, fully discharging ash in the carbon square bricks, and finally forming the carbon square brick product with high calorific value.
2. The method for producing the carbon square brick regenerated from the hazardous waste products in the carbon production according to claim 1, which is characterized in that: the particle size of the dust collecting powder is 200 meshes of particles, and the fixed carbon content is more than or equal to 80 percent.
3. The method for producing the carbon square brick regenerated from the hazardous waste products in the carbon production according to claim 1, which is characterized in that: the heat value of the carbon square brick product is 4500-7700 kilocalories, and the compressive strength is not less than 35Mpa.
4. The method for producing the carbon square brick regenerated from the hazardous waste products in the carbon production according to claim 1, which is characterized in that: 3% -5% of graphite powder can be added in the step S1, and finally the calorific value of the carbon square brick is more than 7700 kilocalories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959990.6A CN115246738A (en) | 2022-08-11 | 2022-08-11 | Production method of carbon square bricks produced by carbon production hazardous waste products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959990.6A CN115246738A (en) | 2022-08-11 | 2022-08-11 | Production method of carbon square bricks produced by carbon production hazardous waste products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115246738A true CN115246738A (en) | 2022-10-28 |
Family
ID=83699402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210959990.6A Pending CN115246738A (en) | 2022-08-11 | 2022-08-11 | Production method of carbon square bricks produced by carbon production hazardous waste products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115246738A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007254863A (en) * | 2006-03-24 | 2007-10-04 | Osaka Gas Co Ltd | Sintered material with the use of organic waste, method for producing the sintered material, and refining method |
| CN109943355A (en) * | 2019-04-16 | 2019-06-28 | 中国铝业股份有限公司 | The utilization method of tarry matters in smoke in a kind of production of charcoal element |
| CN111717907A (en) * | 2020-06-19 | 2020-09-29 | 内蒙古霍煤通顺碳素有限责任公司 | Pre-baked anode carbon blank filler and preparation process thereof |
| CN113800911A (en) * | 2021-09-01 | 2021-12-17 | 河南中孚炭素有限公司 | Carbon dust collection powder recycling method |
-
2022
- 2022-08-11 CN CN202210959990.6A patent/CN115246738A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007254863A (en) * | 2006-03-24 | 2007-10-04 | Osaka Gas Co Ltd | Sintered material with the use of organic waste, method for producing the sintered material, and refining method |
| CN109943355A (en) * | 2019-04-16 | 2019-06-28 | 中国铝业股份有限公司 | The utilization method of tarry matters in smoke in a kind of production of charcoal element |
| CN111717907A (en) * | 2020-06-19 | 2020-09-29 | 内蒙古霍煤通顺碳素有限责任公司 | Pre-baked anode carbon blank filler and preparation process thereof |
| CN113800911A (en) * | 2021-09-01 | 2021-12-17 | 河南中孚炭素有限公司 | Carbon dust collection powder recycling method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221028 |
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| RJ01 | Rejection of invention patent application after publication |