CN101798204B - Tailing graphite material and manufacturing method thereof - Google Patents
Tailing graphite material and manufacturing method thereof Download PDFInfo
- Publication number
- CN101798204B CN101798204B CN201010119097XA CN201010119097A CN101798204B CN 101798204 B CN101798204 B CN 101798204B CN 201010119097X A CN201010119097X A CN 201010119097XA CN 201010119097 A CN201010119097 A CN 201010119097A CN 101798204 B CN101798204 B CN 101798204B
- Authority
- CN
- China
- Prior art keywords
- powder
- tailing
- graphite
- gypsum
- mine tailing
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a tailing graphite material and a manufacturing method thereof. The invention is characterized in that the material is mainly prepared from the following components in percentage by weight: 25-53% of tailings, 20-48% of graphite powder, 10-15% of quicklime powder, 15-20% of cement and 2-5% of gypsum. The manufacturing method comprises the following steps: (a) respectively crushing and pulverizing the tailings and the gypsum; (b) forcedly mixing the graphite powder, the quicklime powder and the cement with the pulverized gypsum and tailings according to the selected proportion, and uniformly stirring; (c) slacking the mixed powder; (d) adding water, and simultaneously stirring; (e) extruding or pressure molding; (f) standing; and (g) autoclaving at high temperature and high pressure. The material has the advantages of good corrosion resistance and passivation resistance, simple process, easy implementation, high production efficiency and high product bonding strength.
Description
Technical field
The present invention relates to graphite material and method of manufacture thereof, especially have the tailing graphite material and the method for manufacture thereof of corrosion-resistant, anti-passivation and anti-electromagnetic radiation performance.
Technical background
Graphite is widely used because of having premium propertiess such as good electrical conductivity, thermal conductivity, acid resistance, alkali resistance and heat-shock resistance.Graphite material is general to be mixed, roll, plays technology manufacturings such as powder, die mould, roasting, greying and form through heat, as disclosing a kind of high-density, HS, wear-resisting graphite material and production technique thereof among the Chinese patent publication number CN 1583557A, in this patent; Having introduced a kind of is main raw with graphite and carbon black; With medium temperature coal pitch or resin is sticker, through through mix alunite, roll sheet, secondary abrasive dust, briquetting, roasting, dipping, technology such as roasting and greying is processed finished product again, can be used in the electrospark machining; This method graphite consumption is big; ME is complicated, and manufacturing cost is high, and manufacturing processed has certain pollution to environment.At present, also there is the ME of some graphite materials fairly simple, as disclosing a kind of preparation method who is used for the graphite-base composite material of electromagnetic shielding among the Chinese patent publication number CN1395466A; This material is starting material with expansible black lead with the additive that can produce magnetic particle, starting material mixing post-heating to 700～1200 ℃, makes expansible black lead with expanded; Use mould compression moulding again, this method ME is simple, but the graphite consumption is big; Bonding strength is not high; And expanded graphite is the sorbent material of excellent property, when these goods place organic cpds or multiphase and complicated system environment, generates the adsorptivity film easily and influences the goods result of use.
Summary of the invention
The present invention aims to provide a kind of tailing graphite material and method of manufacture thereof; Common, the low cost of manufacture of simple, easy to operate, the employed starting material of this method of manufacture; Made tailing graphite material bonding strength is high, have corrosion-resistant, anti-passivation and anti-electromagnetic radiation performance; The electromagnetic protection material of buildingss such as power house, substation be can directly be used as, the earthing material of machinery and equipment, electronic machine, buildings etc. and the corrosion resistant material of chemical plant facility also can be used for.
The objective of the invention is to be achieved through following technical scheme:
A kind of tailing graphite material it is characterized in that this material mainly processed by mine tailing, Graphite Powder 99, calcium lime powder, cement and gypsum, and the composition of raw materials of this material is to carry out proportioning by following weight percent:
Mine tailing: 25%～53%;
Graphite Powder 99: 20%～48%;
Calcium lime powder: 10%～15%;
Cement: 15%～20%;
Gypsum: 2%～5%.
Described calcium lime powder is to reach the unslaked lime that the People's Republic of China's building material industry standard uses standard.
Described mine tailing is that the dioxide-containing silica that Iron And Steel Industry produced is higher than 50 percent mine tailing.
The method of manufacture of described tailing graphite material, its method of manufacture step is:
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
The useful effect of a kind of tailing graphite material of the present invention is, this material is a main raw material(s) with the ore deposit tail that Iron And Steel Industry was produced, and not only turns waste into wealth for steel industry provides a kind of, the method for resource reutilization, and can improve the bonding strength of this material; This material itself has excellent corrosion resisting performance, and behind the forming materials, and the multi-cellular structure that the surface forms will increase surperficial contact area, can delay or the generation of stop surface independence phase film or adsorptivity film; The method of manufacture of the tailing graphite material that the present invention is used; Technology is simple; Be easy to realize that production efficiency is high, the product bonding strength of being produced is high; The electromagnetic protection material of buildingss such as power house, substation be can directly be used as, the earthing material of machinery and equipment, electronic machine, buildings etc. and the corrosion resistant material of chemical plant facility also can be used for.
Be elaborated below in conjunction with embodiment:
Embodiment
Embodiment 1:
Composition of raw materials is to carry out proportioning by following weight percent:
Mine tailing: 53%
Graphite Powder 99: 20%
Calcium lime powder: 10%
Cement: 15%
Gypsum: 2%
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
Embodiment 2:
Composition of raw materials is to carry out proportioning by following weight percent:
Mine tailing: 25%
Graphite Powder 99: 48%
Calcium lime powder: 10%
Cement: 15%
Gypsum: 2%
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
Embodiment 3:
Composition of raw materials is to carry out proportioning by following weight percent:
Mine tailing: 30%
Graphite Powder 99: 30%
Calcium lime powder: 15%
Cement: 20%
Gypsum: 5%
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
Embodiment 4:
Composition of raw materials is to carry out proportioning by following weight percent:
Mine tailing: 36%
Graphite Powder 99: 32%
Calcium lime powder: 12%
Cement: 17%
Gypsum: 3%
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
The above record is merely the embodiment that uses technology contents of the present invention, anyly is familiar with modification that this operator uses the present invention to do, variation, all belongs to the claim that the present invention advocates, and be not limited to cited embodiment.
Claims (4)
1. tailing graphite material it is characterized in that this material mainly processed by mine tailing, Graphite Powder 99, calcium lime powder, cement and gypsum, and the composition of raw materials of this material is to carry out proportioning by following weight percent:
Mine tailing: 25%～53%;
Graphite Powder 99: 20%～48%;
Calcium lime powder: 10%～15%;
Cement: 15%～20%;
Gypsum: 2%～5%.
2. tailing graphite material according to claim 1 is characterized in that described calcium lime powder is to reach the unslaked lime that the People's Republic of China's building material industry standard uses standard.
3. tailing graphite material according to claim 1 is characterized in that described mine tailing is that the dioxide-containing silica that Iron And Steel Industry produced is higher than 50 percent mine tailing.
4. the method for manufacture of the described tailing graphite material of claim 1 is characterized in that method of manufacture may further comprise the steps:
(a) with mine tailing and gypsum difference fragmentation and abrasive dust;
(b) by selected proportioning with Graphite Powder 99, calcium lime powder, cement to use gypsum and mine tailing Forced Mixing, to stir through abrasive dust;
(c) powder mix is cleared up, and digestion time is 3～6h;
(d) add and to be equivalent to siccative and to weigh 15%～35% water, stir when adding water;
(e) be extruding or compression molding under 3～6MPa at pressure;
(f) the quiet 3～5h that stops;
(g) steam press maintenance under high temperature, hyperbaric environment, its curing temperature is 160～190 ℃, and maintenance pressure is 1～3MPa, and curing time is 8～14 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010119097XA CN101798204B (en) | 2010-03-01 | 2010-03-01 | Tailing graphite material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010119097XA CN101798204B (en) | 2010-03-01 | 2010-03-01 | Tailing graphite material and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798204A CN101798204A (en) | 2010-08-11 |
| CN101798204B true CN101798204B (en) | 2012-05-30 |
Family
ID=42594069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010119097XA Expired - Fee Related CN101798204B (en) | 2010-03-01 | 2010-03-01 | Tailing graphite material and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101798204B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104605611A (en) * | 2015-01-23 | 2015-05-13 | 宁波大学 | Multifunctional bag carrying device |
| CN115925354A (en) * | 2022-11-23 | 2023-04-07 | 黑龙江大学 | Application of graphite tailing condensate in erosion ditch treatment and waste pit landfill |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583557A (en) * | 2004-05-27 | 2005-02-23 | 兴和兴永碳素有限公司 | High density and intensity abrasive resistant graphite materials and producing process thereof |
| CN1876601A (en) * | 2006-06-12 | 2006-12-13 | 郑州华宇耐火材料有限公司 | Novel semi-graphitization silicon nitride carbide brick and its production method |
| CN101088954A (en) * | 2006-06-13 | 2007-12-19 | 瞿爱花 | Prepn process of hydrophobic fireproof heat-insulating material |
-
2010
- 2010-03-01 CN CN201010119097XA patent/CN101798204B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583557A (en) * | 2004-05-27 | 2005-02-23 | 兴和兴永碳素有限公司 | High density and intensity abrasive resistant graphite materials and producing process thereof |
| CN1876601A (en) * | 2006-06-12 | 2006-12-13 | 郑州华宇耐火材料有限公司 | Novel semi-graphitization silicon nitride carbide brick and its production method |
| CN101088954A (en) * | 2006-06-13 | 2007-12-19 | 瞿爱花 | Prepn process of hydrophobic fireproof heat-insulating material |
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| Publication number | Publication date |
|---|---|
| CN101798204A (en) | 2010-08-11 |
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Granted publication date: 20120530 Termination date: 20130301 |