CN1248962C - Press block unshaped breaking active carbon and producing method thereof - Google Patents
Press block unshaped breaking active carbon and producing method thereof Download PDFInfo
- Publication number
- CN1248962C CN1248962C CNB2004100426551A CN200410042655A CN1248962C CN 1248962 C CN1248962 C CN 1248962C CN B2004100426551 A CNB2004100426551 A CN B2004100426551A CN 200410042655 A CN200410042655 A CN 200410042655A CN 1248962 C CN1248962 C CN 1248962C
- Authority
- CN
- China
- Prior art keywords
- carbonization
- broken
- compound
- briquetting
- abrasive dust
- 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.)
- Active
Links
Abstract
The present invention provides press block unshaped breaking active carbon and a producing method thereof. The press block unshaped breaking active carbon comprises the components by weight: 70 to 80% of weakly caking coal, 8 to 22% of coking coal, and 8 to 12% of coal pitch. The producing method comprises the processes of crushing, carbonization, activation, sieving and packaging, the processes of grinding and pressing block forming are added before the process of carbonization and after the process of crushing, wherein (1), the crushing is characterized in that the components are crushed into granules and are prepared into a mixture; (2), the grinding is characterized in that the mixture is ground by a flour mill; (3), the pressing block forming is characterized in that the ground mixture is pressed and formed by a special-purpose pressing block forming machine, and the formed blocks are crushed into granules; (4), the carbonization is characterized in that the formed crushing material is carbonized in a horizontal rotary furnace or a vertical carbonization furnace; (5), the activation is characterized in that the carbonization material is activated in a Slep furnace. The present invention has the advantages of high heaping weight of unshaped breaking carbon, high controllable degree of the pore size and the pore size distribution, and better exertion of superior adsorption of the active carbon.
Description
Technical field
The present invention relates to a kind of indefinite form gac and production method thereof, be specially broken gac of briquetting indefinite form and production method thereof.
Background technology
Gac is that pore texture prosperity, specific surface area are big, the superior adsorbent of high adsorption capacity, and it is of a great variety, can be divided into by raw-material difference: carbo lignius, ature of coal charcoal, synthetic resins charcoal, malthenes charcoal etc.; Difference by manufacture method can be divided into: gas activation charcoal, chemical activation charcoal, pharmaceutical chemicals and gas are also used activation charcoal etc.; On profile, also can be divided into powdery carbon, cylindrical carbon, spherical carbon, fiber charcoal, the broken charcoal of indefinite form etc.
The factor of decision Properties of Activated Carbon quality has: starting material and proportioning, moulding process, charing, activating process and equipment; Add a certain proportion of pharmaceutical chemicals also adjustable orifice crack size and pore size distribution, thereby influence the performance of gac.
The broken charcoal of existing indefinite form all is the broken charcoal of indefinite form of not briquetting, and production method comprises following process: fragmentation, charing, activation, screening, packing.The heaping weight of the broken charcoal of the indefinite form of this not briquetting is low, the controlled system of pore size and pore size distribution is little, so greatly influenced the performance of the good adsorptivity of gac.
Summary of the invention
The present invention brings into play the good adsorptivity of gac better for the heaping weight that improves the broken charcoal of indefinite form and the controlled system of pore size and pore size distribution, provides a kind of briquetting indefinite form broken gac, and its production method is provided.
Technical scheme of the present invention is as follows: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are: weakly caking coal 70%--80%, coking coal 8%--22%, coal-tar pitch 8%--12%; Also comprise fragmentation, charing, activation, screening, packing, after shattering process, increase abrasive dust and compound stalk forming process before the carbonization process, wherein, (1) fragmentation: component is broken for the particle of 5--10mm, and is mixed with compound in proportion; (2) abrasive dust: compound is carried out abrasive dust through pulverizing mill, and the compound particle size behind the abrasive dust is the 180--200 order; (3) compound stalk forming: the compound powder behind the abrasive dust with the compression moulding under 1000--1500psi pressure of special-purpose compound stalk forming machine, is broken for the forming blocks material particle of 3--7mm again; (4) charing: with the carbonization in Roarykiln of moulding broken material, carbonization temperature: 450--650 ℃, carbonization time: 0.3--0.75 hour; Or carbonization in vertical charring furnace, carbonization temperature: 700--800 ℃, carbonization time: 6--7 hour; (5) activation: carbonized material is activated activation temperature in Si Liepu (Slep) stove: 850--950 ℃, soak time: 58--72 hour.Special-purpose compound stalk forming machine can be buied on existing market.
For the pore size that improves the broken charcoal of indefinite form more and the controlled system of pore size distribution, can be in shattering process, add the alkali metal hydroxide of the 0.5%--2% that accounts for the broken gac component of described briquetting indefinite form gross weight, preferred sodium hydroxide is as additive.Also described additive can be added in the abrasive dust process, add-on is the same.
The present invention has greatly improved the intensity of the broken charcoal of indefinite form, and the controlled system of pore size and pore size distribution, has brought into play the good adsorptivity of gac better; By after the foregoing invention contents production, the finished product index of the broken gac of described briquetting indefinite form is as follows:
| Project | Moisture content (%) | Ash (%) | Intensity (%) | Heaping weight (g/l) | Granularity (mm) | Yamamoto Methylene Blue ZF (mg/g) | Iodine number (mg/g) |
| Index | ≤5 | 9--13 | 90--95 | 420--480 | 0.45--2.5 | 180--200 | 950--1000 |
Embodiment
Embodiment 1: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are: weakly caking coal 70%, coking coal 22%, coal-tar pitch 8%; Also comprise fragmentation, charing, activation, screening, packing, after shattering process, increase abrasive dust and compound stalk forming process before the carbonization process, wherein, (1) fragmentation: component is broken for the particle of 5mm, and is mixed with compound in proportion; (2) abrasive dust: compound is carried out abrasive dust through pulverizing mill, and the compound particle size behind the abrasive dust is 180 orders; (3) compound stalk forming: the compound powder behind the abrasive dust with the compression moulding under 1000psi pressure of special-purpose compound stalk forming machine, is broken for the forming blocks material particle of 3mm again; (4) charing: with the carbonization in Roarykiln of moulding broken material, carbonization temperature: 450 ℃, carbonization time: 0.3 hour; (5) activation: carbonized material is activated activation temperature in Si Liepu (Slep) stove: 850 ℃, soak time: 58 hours.
Embodiment 2: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are: weakly caking coal 80%, coking coal 8%, coal-tar pitch 12%; Also comprise fragmentation, charing, activation, screening, packing, after shattering process, increase abrasive dust and compound stalk forming process before the carbonization process, wherein, (1) fragmentation: component is broken for the particle of 10mm, and is mixed with compound in proportion; (2) abrasive dust: compound is carried out abrasive dust through pulverizing mill, and the compound particle size behind the abrasive dust is 200 orders; (3) compound stalk forming: the compound powder behind the abrasive dust with the compression moulding under 1500psi pressure of special-purpose compound stalk forming machine, is broken for the forming blocks material particle of 7mm again; (4) charing: with the carbonization in vertical charring furnace of moulding broken material, carbonization temperature: 700 ℃, carbonization time: 6 hours; (5) activation: carbonized material is activated activation temperature in Si Liepu (Slep) stove: 950 ℃, soak time: 72 hours.
Embodiment 3: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are: weakly caking coal 75%, coking coal 15%, coal-tar pitch 10%; Also comprise fragmentation, charing, activation, screening, packing, after shattering process, increase abrasive dust and compound stalk forming process before the carbonization process, wherein, (1) fragmentation: component is broken for the particle of 7mm, and is mixed with compound in proportion; (2) abrasive dust: compound is carried out abrasive dust through pulverizing mill, and the compound particle size behind the abrasive dust is 190 orders; (3) compound stalk forming: the compound powder behind the abrasive dust with the compression moulding under 1250psi pressure of special-purpose compound stalk forming machine, is broken for the forming blocks material particle of 5mm again; (4) charing: with the carbonization in Roarykiln of moulding broken material, carbonization temperature: 650 ℃, carbonization time: 0.75 hour; (5) activation: carbonized material is activated activation temperature in Si Liepu (Slep) stove: 950 ℃, soak time: 72 hours.
Embodiment 4: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are with embodiment 1; In shattering process, add 0.5% the sodium hydroxide account for the component gross weight, as additive; In carbonization process, carbonization temperature: 550 ℃, carbonization time: 0.55 hour; All the other processes are with embodiment 1.
Embodiment 5: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are with embodiment 2; In the abrasive dust process, add 2% the sodium hydroxide account for the component gross weight, as additive; In carbonization process, carbonization temperature: 800 ℃, carbonization time: 7 hours; All the other processes together
Embodiment 2.
Embodiment 6: the broken gac of a kind of briquetting indefinite form, adopt following method preparation, and material component and weight proportion are with embodiment 2; In shattering process, add 1% the sodium hydroxide account for the component gross weight, as additive; In carbonization process, carbonization temperature: 750 ℃, carbonization time: 6.5 hours; All the other processes together
Embodiment 2.
Claims (6)
1, the broken gac of a kind of briquetting indefinite form is characterized in that: adopt following method preparation, material component and weight proportion are: weakly caking coal 70%--80%, coking coal 8%--22%, coal-tar pitch 8%--12%; Also comprise fragmentation, charing, activation, screening, packing, after shattering process, increase abrasive dust and compound stalk forming process before the carbonization process, wherein, (1) fragmentation: component is broken for the particle of 5--10mm, and is mixed with compound in proportion; (2) abrasive dust: compound is carried out abrasive dust through pulverizing mill, and the compound particle size behind the abrasive dust is the 180--200 order; (3) compound stalk forming: the compound powder behind the abrasive dust with the compression moulding under 1000--1500psi pressure of special-purpose compound stalk forming machine, is broken for the forming blocks material particle of 3--7mm again; (4) charing: with the carbonization in Roarykiln of moulding broken material, carbonization temperature: 450--650 ℃, carbonization time: 0.3--0.75 hour; (5) activation: carbonized material is activated activation temperature in Stepple furnace: 850--950 ℃, soak time: 58--72 hour.
2, the broken gac of briquetting indefinite form according to claim 1 is characterized in that: in carbonization process, with the alternative Roarykiln of vertical charring furnace, carbonization temperature: 700--800 ℃, carbonization time: 6--7 hour.
3, the broken gac of briquetting indefinite form as claimed in claim 1 or 2 is characterized in that: in shattering process, add the alkali metal hydroxide of the 0.5%--2% that accounts for the component gross weight, as additive.
4, the broken gac of briquetting indefinite form as claimed in claim 1 or 2 is characterized in that: in the abrasive dust process, add the alkali metal hydroxide of the 0.5%--2% that accounts for the component gross weight, as additive.
5, as the broken gac of briquetting indefinite form as described in the claim 3, it is characterized in that: alkali metal hydroxide is a sodium hydroxide.
6, as the broken gac of briquetting indefinite form as described in the claim 4, it is characterized in that: alkali metal hydroxide is a sodium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100426551A CN1248962C (en) | 2004-05-31 | 2004-05-31 | Press block unshaped breaking active carbon and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100426551A CN1248962C (en) | 2004-05-31 | 2004-05-31 | Press block unshaped breaking active carbon and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1583558A CN1583558A (en) | 2005-02-23 |
| CN1248962C true CN1248962C (en) | 2006-04-05 |
Family
ID=34601643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100426551A Active CN1248962C (en) | 2004-05-31 | 2004-05-31 | Press block unshaped breaking active carbon and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1248962C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432005B (en) * | 2011-09-22 | 2014-01-01 | 煤炭科学研究总院 | Activated carbon capable of deeply purifying drinking water and preparation method for activated carbon |
| CN103011158A (en) * | 2012-12-07 | 2013-04-03 | 淮北市森化碳吸附剂有限责任公司 | Technique for preparing columnar activated carbon by tar-free binding agent |
| CN104276570B (en) * | 2014-10-23 | 2016-08-17 | 山西新华化工有限责任公司 | The preparation method of high specific gravity agglomerated activated carbon |
| CN105905898B (en) * | 2016-05-31 | 2018-06-08 | 神华集团有限责任公司 | A kind of preparation method of the coal base agglomerated activated carbon of high methylene blue number |
| CN106044766B (en) * | 2016-05-31 | 2019-01-11 | 神华集团有限责任公司 | A kind of preparation method with high adsorption, the coal base agglomerated activated carbon of high bulk density |
| CN113149010A (en) * | 2021-06-07 | 2021-07-23 | 山西华青环保股份有限公司 | Device for preparing novel coal-based activated carbon as neutralizer |
| CN114655955A (en) * | 2022-04-02 | 2022-06-24 | 山西新华防化装备研究院有限公司 | Preparation method of coconut shell based pressed activated carbon |
-
2004
- 2004-05-31 CN CNB2004100426551A patent/CN1248962C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1583558A (en) | 2005-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101700884B (en) | Method for producing activated carbon from straws | |
| JP6676821B2 (en) | Method of producing binder-based activated carbon with no binder | |
| JP3746509B1 (en) | Spherical activated carbon and its manufacturing method | |
| EP0002275B1 (en) | Granular activated carbon manufacture from brown coal treated with dilute inorganic acid | |
| CN101817524A (en) | Process for producing activated carbon by physical activation method | |
| CN105779059B (en) | A kind of fine coal high intensity forming method of binder free | |
| CN1033262A (en) | Method for preparing activated carbon | |
| CA1322629C (en) | Binder for metal-containing ores | |
| CN102126722A (en) | Process for preparing coal-based agglomerated activated carbon | |
| CN102530938A (en) | Method for producing drinking water deep purification activated carbon by utilizing Datong coal | |
| CN1248962C (en) | Press block unshaped breaking active carbon and producing method thereof | |
| US4149995A (en) | Granular activated carbon manufacture from brown coal treated with concentrated inorganic acid without pitch | |
| CN112239206A (en) | Preparation method of low-ash pressed coal activated carbon | |
| CN1053875C (en) | Mesopore micropore fine coal quality granular activated char and production method | |
| PL111362B1 (en) | Process for manufacturing granulated activated carbon | |
| JP2000313611A (en) | Active carbon and its production | |
| CN1145584C (en) | Super-strong decoloured activated carbon block from anthracite and its preparing process | |
| EP3577070B1 (en) | Process for producing briquettes and briquettes produced thereby | |
| KR101874086B1 (en) | Method for manufacturing activated carbon | |
| CN109179404A (en) | A method of using jet coal prepare in big mesoporous activated carbon | |
| KR20090116377A (en) | The making method of granule coke using coke dust and sludge and the granule coke | |
| CN112919461A (en) | Preparation method of coal-based activated carbon for nitrogen/methane separation and prepared activated carbon | |
| CN111996057A (en) | Preparation method of roasted tea charcoal for tea baking | |
| CN105692614B (en) | A kind of active carbon from coal activation method based on multistage rake stove | |
| CN115124037B (en) | Broken carbon prepared by high molasses briquettes and method for producing broken carbon prepared by high molasses briquettes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |