CN112457871A - Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder - Google Patents
Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder Download PDFInfo
- Publication number
- CN112457871A CN112457871A CN202011174642.5A CN202011174642A CN112457871A CN 112457871 A CN112457871 A CN 112457871A CN 202011174642 A CN202011174642 A CN 202011174642A CN 112457871 A CN112457871 A CN 112457871A
- Authority
- CN
- China
- Prior art keywords
- coke
- circuit board
- resin powder
- cracking
- waste circuit
- Prior art date
- 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.)
- Pending
Links
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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/005—After-treatment of coke, e.g. calcination desulfurization
-
- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A method for preparing gasification formed coke from waste circuit board resin powder cracking slag coke belongs to the field of high-value utilization of waste circuit board cracking products, and particularly relates to a method for producing gasification formed coke by partially replacing refined coal powder with waste circuit board resin powder cracking coke. The method mainly comprises the following steps: dosing, cold press molding, reinforced oxidation and step heating carbonization. Compared with the prior art, the invention adopts a brand new method that the coke in the waste circuit board resin powder cracking slag partially replaces fine coal powder to obtain high-calorific-value gasification formed coke, thereby realizing high-value utilization of waste resources. The invention has the characteristics of simple and easy process, low manufacturing cost and wide adaptability, and is beneficial to improving the economic benefit and the social benefit of enterprise production.
Description
Technical Field
The invention relates to a recovery technology for high-value utilization of thermal cracking residues of waste circuit board resin powder, in particular to a brand new method for preparing gasification formed coke by using coke in thermal cracking residues of waste circuit board resin powder as a base material.
Background
Since the industrial revolution, fossil energy has been used by human beings on a large scale, resulting in irreversible and great destruction of our ecological environment. Particularly, since the new century, the global greenhouse effect is increasingly severe, extreme weather emerges endlessly, and the problem of environmental pollution is continuously aggravated. Under the large background, the policy of actively adjusting energy sources is the urgent need of all countries in the world, and the development of environment-friendly energy sources is an effective solution. The key point of the current energy policy adjustment in China is the clean production and efficient utilization of coal and additional products thereof.
As one of clean coal production technologies, formed coke is a coke with a uniform shape, which is prepared by using coal powder, waste coke powder, semi-coke powder, petroleum coke, charcoal and the like as main raw materials, mixing with a binder, pressing to form coal, then carrying out procedures of oxidation, carbonization and the like, is generally in a block shape or a spherical shape, is widely applied to industries such as smelting, casting, chemical engineering, boiler combustion and the like, and can also be used as a civil block fuel and gasification raw material. The formed coke technology is an effective method for reasonably utilizing coal resources or expanding high-value utilization of the coal coke resources, and is also an effective way for developing novel energy. The formed coke raw material has wide adaptability, and smokeless fine coal powder, coke, waste coke powder, waste petroleum coke, charcoal powder and the like can be used as production raw materials, and the common characteristics of the raw materials are high carbon content and low ash content. The formed coke production technology has the advantages of simple operation, mature technology, low cost, obvious energy saving and efficiency improvement, reduction of waste gas emission and the like, and is worthy of vigorous development.
The solid waste generated in the thermal cracking process of the waste circuit board resin powder is separated and extracted to obtain the cracked coke, the general components of the cracked coke are shown in the table 1, the cracked coke has the characteristics of high carbon content and low ash content and other impurity content, and the cracked coke can completely replace refined coal powder to produce gasified formed coke to be used as a raw material of water gas, semi-water gas and solid fuel. At present, no report is found on the technology for preparing gasification formed coke by cracking coke by using waste circuit board resin powder.
TABLE 1 analysis of the major Components of the cracked coke from waste circuit board resin powder
Disclosure of Invention
The invention aims to mainly solve the problem of high-value utilization of residues of waste circuit board resin powder cracking slag, creatively provides a brand-new method for preparing gasification formed coke by using coke in the waste circuit board resin powder cracking slag as a base material, realizes high-value utilization of the waste circuit board resin powder cracking slag, has the characteristics of simple and feasible process, low manufacturing cost, high resource utilization rate, wide raw material adaptability, environmental friendliness and the like, and is beneficial to improving the economic benefit and the social benefit of enterprise production.
The method for preparing the gasification formed coke by cracking the coke with the waste circuit board resin powder comprises the following steps:
(1) dosing: adding a certain proportion of starch adhesive and water into cracked coke separated from waste circuit board resin powder cracked slag, uniformly mixing to obtain a mixed material, wherein the granularity of the cracked coke is 5-15 mm, the addition amount of the starch is 1-10% of the mass of the cracked coke, the addition amount of the water is 5-10% of the mass of the cracked coke, the mixed ball milling reaction time is 30-90 min, and the granularity of the obtained mixed material is 1-5 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 3-5 cm, wherein the forming pressure is 10-35 MPa, the extrusion forming time is 15-30 s so as to ensure that the obtained formed coke has the optimal density and forming rate, and naturally airing or drying by blowing at 80-110 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) carrying out intensified oxidation on the dry coke obtained in the step (2), and introducing air in the implementation process, wherein the temperature is increased to the intensified temperature of 200-300 ℃ at the speed of 5-10 ℃/min, and the intensified time is 3-6 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), directly sending the material to a carbonization furnace for carbonization by adopting a step temperature rise mode, cooling to obtain gasified formed coke, and sending the gasified formed coke to a storage bin for preparing water gas, semi-water gas or solid fuel, wherein in the step temperature rise carbonization process, the temperature is firstly raised to 450-550 ℃ for 3-5 hours, the temperature is kept for 1-2 hours, then the temperature is rapidly raised to 750-950 ℃ for 20-40 minutes, and the temperature is kept for 3-8 hours.
Compared with the prior art, the method has the advantages that the resin powder cracked coke generated in the waste circuit board recovery process is used as the base material, the refined coal powder can be partially replaced to produce the gasified formed coke, resources are saved, the daily starch is used as the adhesive in the implementation process, the method has the characteristics of low price and environmental friendliness, other impurities cannot be introduced, the stepped heating carbonization is adopted, the mechanical strength and the thermal stability of the gasified formed coke product are improved, the high-valued utilization of the valuable components of the waste circuit board resin powder cracked residue is fully realized, and the method has the characteristics of simple and feasible process, wide raw material adaptability, high resource utilization rate, environmental friendliness and the like.
Drawings
FIG. 1 is a flow chart of a process for preparing gasified coke by cracking waste circuit board resin powder
FIG. 2 is a flow chart of the process for separating and cracking coke from the waste circuit board resin powder cracking slag
Detailed Description
The following examples are intended to further illustrate the invention, but are not intended to limit the invention.
Example 1
The method is implemented according to the following steps:
(1) dosing: the method comprises the steps of separating cracked coke with the granularity of 5mm from waste circuit board resin powder cracked slag, adding a corn starch adhesive which accounts for 1% of the mass of the cracked coke, adding tap water which accounts for 5% of the mass of the cracked coke, and carrying out mixed ball milling for 30min to obtain a mixed material with the granularity of 5 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 3cm, wherein the forming pressure is 10MPa, the extrusion forming time is 15s so as to ensure that the obtained formed coke has the optimal density and forming rate, and naturally airing to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for intensified oxidation, wherein the temperature is increased to 300 ℃ at the speed of 5 ℃/min, and the intensifying time is 3 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), directly sending the material to a carbonization furnace for carbonization by adopting a step temperature rise mode, firstly raising the temperature to 450 ℃ for 3h, preserving the heat for 1h, then quickly raising the temperature to 750 ℃ for 20min, preserving the heat for 8h, naturally cooling after carbonization to obtain gasified formed coke, and sending the gasified formed coke into a storage bin for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke was 14MPa, the falling strength (SS) was 18 times/(2 m), the reactivity (CRI) was 33%, and the post-reaction strength (CSR) was 55%.
Example 2
The method is implemented according to the following steps:
(1) dosing: the method comprises the steps of separating cracked coke with the granularity of 15mm from waste circuit board resin powder cracked slag, adding a corn starch adhesive which accounts for 10% of the mass of the cracked coke, adding tap water which accounts for 10% of the mass of the cracked coke, and carrying out mixed ball milling for 90min to obtain a mixed material with the granularity of 1 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into balls with the diameter of 5cm, wherein the forming pressure is 35MPa, the extrusion forming time is 30s so as to ensure that the obtained formed coke has the optimal density and forming rate, and blowing and drying at 110 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for strengthening oxidation, wherein the temperature is increased to 200 ℃ according to the speed of 10 ℃/min, and the strengthening time is 6 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), the material is directly sent to a carbonization furnace to be carbonized in a step temperature rise mode, firstly, the temperature is slowly raised to 550 ℃ for 5 hours, the temperature is kept for 2 hours, then, the temperature is rapidly raised to 950 ℃ for 40 minutes, the temperature is kept for 3 hours, after the carbonization is finished, the material is naturally cooled to obtain gasified formed coke, and the gasified formed coke is sent to a storage bin to be used for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke was 20MPa, the falling strength (SS) was 30 times/(2 m), the reactivity (CRI) was 42%, and the post-reaction strength (CSR) was 63%.
Example 3
The method is implemented according to the following steps:
(1) dosing: adding potato starch adhesive to 8% of the mass of the cracked coke and tap water to 6% of the mass of the cracked coke, and carrying out mixed ball milling for 35min to obtain a mixed material with the particle size of 4 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 3.5cm, wherein the forming pressure is 15MPa, the extrusion forming time is 20s so as to ensure that the obtained formed coke has the optimal density and forming rate, and blowing and drying at 80 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for strengthening oxidation, wherein the temperature is increased to the strengthening temperature of 280 ℃ at the speed of 6 ℃/min, and the strengthening time is 4 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), the material is directly sent to a carbonization furnace for carbonization by a step temperature rise mode, firstly, the temperature is slowly raised to 500 ℃ for 3.5h, the temperature is kept for 1.5h, then, the temperature is rapidly raised to 900 ℃ for 25min, the temperature is kept for 4h, after the carbonization is finished, the material is naturally cooled to obtain gasified formed coke, and the gasified formed coke is sent to a storage bin for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke is 15MPa, the falling strength (SS) is 20 times/(2 meters), the reactivity (CRI) is 35%, and the post-reaction strength (CSR) is 56%.
Example 4
The method is implemented according to the following steps:
(1) dosing: adding potato starch adhesive to 8% of the mass of the pyrolysis coke and adding tap water to 7% of the mass of the pyrolysis coke into the pyrolysis coke with the particle size of 13mm separated from the waste circuit board resin powder pyrolysis slag, and mixing and ball-milling for 80min to obtain a mixed material with the particle size of 2 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 4.5cm, wherein the forming pressure is 30MPa, the extrusion forming time is 18s to ensure that the obtained formed coke has the optimal density and forming rate, and blowing and drying at 105 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for intensified oxidation, wherein the temperature is increased to 250 ℃ at the speed of 8 ℃/min, and the intensifying time is 5 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), the material is directly sent to a carbonization furnace for carbonization by a step temperature rise mode, firstly, the temperature is slowly raised to 520 ℃ for 4.5h, the temperature is kept for 1.6h, then, the temperature is rapidly raised to 800 ℃ for 435min, the temperature is kept for 6h, after the carbonization is finished, the material is naturally cooled to obtain gasified formed coke, and the gasified formed coke is sent to a storage bin for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke is 18MPa, the falling strength (SS) is 25 times/(2 meters), the reactivity (CRI) is 40 percent, and the strength (CSR) after the reaction is 60 percent.
Example 5
The method is implemented according to the following steps:
(1) dosing: and (3) adding a corn starch adhesive into cracked coke with the granularity of 9mm, which is separated from the waste circuit board resin powder cracked slag, to obtain the cracked coke with the granularity of 3mm, wherein the corn starch adhesive accounts for 5% of the mass of the cracked coke, the tap water additive accounts for 10% of the mass of the cracked coke, and mixing and ball-milling for 45min to obtain a mixed material with the granularity of 3 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 4cm, wherein the forming pressure is 25MPa, the extrusion forming time is 22s so as to ensure that the obtained formed coke has the optimal density and forming rate, and blowing and drying at 90 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for strengthening oxidation, wherein the temperature is increased to the strengthening temperature of 260 ℃ at the speed of 9 ℃/min, and the strengthening time is 5.5 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), the material is directly sent to a carbonization furnace for carbonization by a step temperature rise mode, firstly, the temperature is slowly raised to 510 ℃ for 3.5h, the temperature is kept for 1h, then, the temperature is rapidly raised to 850 ℃ for 35min, the temperature is kept for 7h, after the carbonization is finished, the material is naturally cooled to obtain gasified formed coke, and the gasified formed coke is sent to a storage bin for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke is 16MPa, the falling strength (SS) is 24 times/(2 meters), the reactivity (CRI) is 37 percent, and the strength (CSR) after the reaction is 58 percent.
Example 6
The method is implemented according to the following steps:
(1) dosing: the method comprises the steps of separating cracked coke with the granularity of 11mm from waste circuit board resin powder cracked slag, adding a corn starch adhesive to be 6% of the mass of the cracked coke, adding tap water to be 9% of the mass of the cracked coke, and carrying out mixed ball milling for 60min to obtain a mixed material with the granularity of 3 mm.
(2) Cold press molding: and (2) placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into spheres with the diameter of 4cm, wherein the forming pressure is 20MPa, the extrusion forming time is 28s so as to ensure that the obtained formed coke has the optimal density and forming rate, and performing forced air drying at 100 ℃ to obtain the dry formed coke.
(3) Enhanced oxidation: and (3) introducing air into the dry coke obtained in the step (2) for intensified oxidation, wherein the temperature is increased to an intensified temperature of 230 ℃ at the speed of 7 ℃/min, and the intensified time is 4.5 h.
(4) Step heating and carbonization: after the enhanced oxidation in the step (3), the material is directly sent to a carbonization furnace for carbonization by a step temperature rise mode, firstly, the temperature is slowly raised to 520 ℃ for 4.5h, the temperature is kept for 1.6h, then, the temperature is rapidly raised to 800 ℃ for 435min, the temperature is kept for 5h, after the carbonization is finished, the material is naturally cooled to obtain gasified formed coke, and the gasified formed coke is sent to a storage bin for preparing water gas, semi-water gas or solid fuel.
The compressive strength (N) of the obtained gasified formed coke was 16MPa, the falling strength (SS) was 27 times/(2 m), the reactivity (CRI) was 38%, and the post-reaction strength (CSR) was 59%.
The above examples are only for illustrating the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention within the knowledge of those skilled in the art without departing from the scientific and inventive concept should be considered as the protection scope of the present application.
Claims (3)
1. A method for preparing gasification formed coke by cracking coke from waste circuit board resin powder is characterized by comprising the following specific steps:
(1) dosing: adding a certain proportion of starch adhesive and water into cracked coke with the granularity of 5-15 mm, which is obtained by separating from waste circuit board resin powder cracked slag, and mixing and ball-milling for 30-90 min to obtain a mixed material; the adding amount of the starch is 1-10% of the mass of the cracking coke, and the adding amount of the water is 5-10% of the mass of the cracking coke;
(2) cold press molding: placing the mixed material obtained in the step (1) in a forming machine, extruding the mixed material into balls with the diameter of 3-5 cm, wherein the forming pressure is 10-35 MPa, the extrusion forming time is 15-30 s, and naturally airing or drying by air blowing at 80-110 ℃ to obtain dry formed coke;
(3) enhanced oxidation: performing intensified oxidation on the dry coke obtained in the step (2), introducing air in the intensified oxidation process, raising the temperature to 200-300 ℃ at the speed of 5-10 ℃/min, and strengthening for 3-6 h;
(4) step heating and carbonization: sending the carbonized material to a carbonization furnace for carbonization by adopting a step temperature rise mode, firstly raising the temperature to 450-550 ℃ for 3-5 h, preserving the heat for 1-2 h, then raising the temperature to 750-950 ℃ for 20-40 min, and preserving the heat for 3-8 h in the step temperature rise carbonization process; and cooling to obtain the gasified formed coke.
2. The method for preparing gasification coke from waste circuit board resin powder cracking coke according to claim 1, wherein the starch binder is corn starch or potato starch, and the particle size of the obtained mixed material is 1-5 mm.
3. The method for preparing gasified coke from the coke obtained by cracking the waste circuit board resin powder according to claim 1, wherein the gasified coke is fed into a silo to prepare water gas, semi-water gas or solid fuel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174642.5A CN112457871A (en) | 2020-10-28 | 2020-10-28 | Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder |
| PCT/CN2021/138153 WO2022089667A1 (en) | 2020-10-28 | 2021-12-15 | Method for preparing gasification coke from waste circuit board resin powder pyrolysis coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174642.5A CN112457871A (en) | 2020-10-28 | 2020-10-28 | Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112457871A true CN112457871A (en) | 2021-03-09 |
Family
ID=74835680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011174642.5A Pending CN112457871A (en) | 2020-10-28 | 2020-10-28 | Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112457871A (en) |
| WO (1) | WO2022089667A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022089667A1 (en) * | 2020-10-28 | 2022-05-05 | 北京工业大学 | Method for preparing gasification coke from waste circuit board resin powder pyrolysis coke |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3444046A (en) * | 1965-02-04 | 1969-05-13 | Koppers Co Inc | Method for producing coke |
| EP1008395A2 (en) * | 1998-12-11 | 2000-06-14 | Matsushita Electric Industrial Co., Ltd. | Method for separating metallic material from waste printed circuit boards, and dry distilation apparatus used for waste treatment |
| CN1718691A (en) * | 2005-08-06 | 2006-01-11 | 山西焦化股份有限公司 | With the coke powder is the gasification formed coke and the production method thereof of raw material |
| CN101225339A (en) * | 2007-12-18 | 2008-07-23 | 陈善堂 | Formed coke clean production method and equipment |
| CN101531906A (en) * | 2009-04-23 | 2009-09-16 | 山西利华新科技开发有限公司 | Method for electrical heating continuous coal pyrogenation coking and coking furnace thereof |
| CN104479756A (en) * | 2014-11-05 | 2015-04-01 | 江西理工大学 | Water-vapor gasification separation apparatus and method for waste printed circuit boards |
| CN105018122A (en) * | 2014-04-28 | 2015-11-04 | 宝山钢铁股份有限公司 | Formed coke preparation method for replacing carbon raw material used for electric furnace steel making with COREX coke powder |
| CN106345794A (en) * | 2016-11-03 | 2017-01-25 | 四川长虹电器股份有限公司 | Waste circuit board microwave anaerobic splitting treatment method |
| CN108160665A (en) * | 2017-12-14 | 2018-06-15 | 北京工业大学 | Useless integrated circuit board caloic collaboration green resource method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044583A (en) * | 1983-08-19 | 1985-03-09 | 社団法人日本鉄鋼連盟 | Production of formed coke |
| CN100500803C (en) * | 2006-05-26 | 2009-06-17 | 中国科学院山西煤炭化学研究所 | Method for preparing formed coke by adding adhesive using weak binding coal as main raw material |
| CN102491324B (en) * | 2011-11-29 | 2013-07-17 | 山西新华化工有限责任公司 | Preparation method of high denitrification activated coke |
| CN109873173A (en) * | 2019-02-28 | 2019-06-11 | 栗陶然 | A kind of preparation method of direct alcohol fuel cell cathode support body material |
| CN110980771A (en) * | 2019-12-25 | 2020-04-10 | 北京工业大学 | Method for purifying sodium bromide by using waste circuit board cracking coke |
| CN112457871A (en) * | 2020-10-28 | 2021-03-09 | 北京工业大学 | Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder |
-
2020
- 2020-10-28 CN CN202011174642.5A patent/CN112457871A/en active Pending
-
2021
- 2021-12-15 WO PCT/CN2021/138153 patent/WO2022089667A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3444046A (en) * | 1965-02-04 | 1969-05-13 | Koppers Co Inc | Method for producing coke |
| EP1008395A2 (en) * | 1998-12-11 | 2000-06-14 | Matsushita Electric Industrial Co., Ltd. | Method for separating metallic material from waste printed circuit boards, and dry distilation apparatus used for waste treatment |
| CN1718691A (en) * | 2005-08-06 | 2006-01-11 | 山西焦化股份有限公司 | With the coke powder is the gasification formed coke and the production method thereof of raw material |
| CN101225339A (en) * | 2007-12-18 | 2008-07-23 | 陈善堂 | Formed coke clean production method and equipment |
| CN101531906A (en) * | 2009-04-23 | 2009-09-16 | 山西利华新科技开发有限公司 | Method for electrical heating continuous coal pyrogenation coking and coking furnace thereof |
| CN105018122A (en) * | 2014-04-28 | 2015-11-04 | 宝山钢铁股份有限公司 | Formed coke preparation method for replacing carbon raw material used for electric furnace steel making with COREX coke powder |
| CN104479756A (en) * | 2014-11-05 | 2015-04-01 | 江西理工大学 | Water-vapor gasification separation apparatus and method for waste printed circuit boards |
| CN106345794A (en) * | 2016-11-03 | 2017-01-25 | 四川长虹电器股份有限公司 | Waste circuit board microwave anaerobic splitting treatment method |
| CN108160665A (en) * | 2017-12-14 | 2018-06-15 | 北京工业大学 | Useless integrated circuit board caloic collaboration green resource method |
Non-Patent Citations (3)
| Title |
|---|
| 孟献梁，武建军主编: "《煤炭加工利用概论》", 31 January 2018, 徐州：中国矿业大学出版社 * |
| 张立其: "焦粉与焦油渣配合制取气化型焦的试验与研究", 《内蒙古煤炭经济》 * |
| 郭光新 高清举主编: "《地方铁厂适用技术资料汇编 上》", 31 May 1986, 成都：四川科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022089667A1 (en) * | 2020-10-28 | 2022-05-05 | 北京工业大学 | Method for preparing gasification coke from waste circuit board resin powder pyrolysis coke |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022089667A1 (en) | 2022-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108374065B (en) | Method for co-producing combustible gas and direct reduced iron | |
| CN106701133B (en) | Low-metamorphic pulverized coal, asphalt and tar residue forming dry distillation method after crushing | |
| CN103710037A (en) | Fluidized-bed low-rank coal upgrading utilization system and method | |
| CN102690686B (en) | Method for preparing ammonia synthesis gas by pressing and continuously gasifying anthracite by oxygen-enriched air | |
| CN107841325B (en) | Method for preparing synthesis gas by pyrolyzing biomass-blended high-ash papermaking sludge | |
| CN107353919A (en) | Production process for partially pure oxygen oxidation coke | |
| CN112457871A (en) | Method for preparing gasification formed coke by cracking coke from waste circuit board resin powder | |
| CN103803552A (en) | Preparation method of industrial silicon smelting reducer | |
| CN114774599A (en) | Method for blowing biomass hydrogen-rich micro powder into blast furnace | |
| CN102417835A (en) | Method for preparing hydrogen-rich gas by performing catalytic gasification on petroleum coke | |
| CN113060736A (en) | Method for preparing industrial silicon reducing agent by using biomass and additive to synergistically strengthen natural fermentation of petroleum coke | |
| CN106995728B (en) | Combined process for efficiently and cleanly preparing oil and gas products by using pulverized coal | |
| CN203639416U (en) | Upgrading utilization system for low rank coal fluidized bed | |
| CN114854455B (en) | Novel process for coupling directional preparation of biomass synthesis gas and blast furnace smelting | |
| CN216039440U (en) | Coal water slurry and solid waste pyrolysis co-gasification system | |
| CN102899117A (en) | Slurry containing biomass and use thereof | |
| CN108285799A (en) | A kind of method of high-efficiency resource recycling lignite | |
| CN114933919A (en) | Preparation method of synthesis gas | |
| CN109504490B (en) | Method for preparing biomass fuel by forestry solid waste and municipal sludge | |
| CN100386416C (en) | Biomass heneycomb briquette formula using power compounding coal tech. | |
| CN113831927A (en) | Method for improving yield of low-metamorphic coal pyrolysis tar by utilizing biomass | |
| CN108570525B (en) | Biomass iron-containing briquette for producing combustible gas and DRI and preparation method thereof | |
| CN115572454B (en) | Composite binder and application thereof in carbide slag pellets | |
| CN112625705B (en) | Method for disposing refuse derived fuel by coke oven and realizing gradient resource utilization of product | |
| CN111944937A (en) | Preparation method of carbon-iron composite furnace charge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |