CN201555835U - Serial device for researching graphite electrode rawmaterial and technology - Google Patents
Serial device for researching graphite electrode rawmaterial and technology Download PDFInfo
- Publication number
- CN201555835U CN201555835U CN2009201769754U CN200920176975U CN201555835U CN 201555835 U CN201555835 U CN 201555835U CN 2009201769754 U CN2009201769754 U CN 2009201769754U CN 200920176975 U CN200920176975 U CN 200920176975U CN 201555835 U CN201555835 U CN 201555835U
- Authority
- CN
- China
- Prior art keywords
- room
- graphite electrode
- pot
- equipment
- roasting
- 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
Links
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a serial device for researching graphite electrode rawmaterial and technology. The serial device includes a dual-purpose resistance furnace for calcining and roasting, a jaw crusher, a roll crushing mill, a ball mill, a testing vibration screen, an electronic balance, a kneading pot, a small extruding machine, an automatic graphitization furnace and detection equipment, wherein the jaw crusher, the roll crushing mill, the ball mill, and the testing vibration screen are connected and arranged in a room I through a working platform; the electronic balance, the kneading pot, and the small extruding machine are connected and arranged in a room II through the working platform; the dual-purpose resistance furnace for calcining and roasting and the automatic graphitization furnace are connected and arranged in a room III through the working platform; the detection equipment is arranged in a room IV; and the room I, the room II, the room III and the room IV are communicated by opening workshop doors according to technological requirements, or regarding equipment performance, the workshop doors are closed to form each independent workshop.
Description
Technical field
The utility model relates to metallurgy industry nonmetallic materials tests field, specifically relates to effective combination of the campaign equipment of a kind of relevant graphite electrode raw material evaluation and technical study.
Background technology
Graphite electrode is to be aggregate with petroleum coke or needle coke, coal-tar pitch is made cementing agent, through calcining, batching, mix pinch, die mould, roasting, dipping, two burnings, graphitization, machine work and make, be in electric arc furnaces, to discharge electric energy carries out heat fused to furnace charge conductive material with electrical arc.According to the different requirements of electric arc furnaces to current density that graphite electrode passes through, graphite electrode can be divided into three kinds of common power, high power, ultra high power.But along with the electric arc furnaces strengthening smelting, and the requirement of environmental protection and energy saving aspect, the ratio of high power and ultra high power graphite electrode is increasing, and the specification of graphite electrode also develops to Φ 550mm and above big specification, super large-scale direction.Because graphite electrode complex process, operation are long, the places of origin of raw materials is many, wide in variety, thereby technical difficulty is big, and the graphite electrode of big specification, high power, ultra high power, technical difficulty is big more.For a kind of new raw material, if carrying out test evaluation in big production process, the time is long, expense is high, and risk is very big, and if raw material quantity few, just can not produce experiment greatly; Adjust and optimize research for the technological parameter in the production run, too because the process cost height has great risk.For graphite electrode manufacturing enterprise, a whole set of material performance evaluation is equipped in design under lab and the test wire of technical study is very important.Can estimate with domestic and international resource-type material performance advancing factory's raw material, select proper raw material and process conditions that foundation is provided for production technology department, purchase raw material for the purchasing of raw materials department foundation is provided; The plain technological process of charcoal is carried out modeling effort, make production technology can access improvement and perfect constantly.
The plain enterprise of more domestic charcoals utilizes some simple crushings and the screening plant in the laboratory, buy the simple equipment of pinching that mixes again, utilize hand screw extruder of self-control or laboratory block press, the material performance evaluation and the technical study experiment that utilize big roasting of producing and graphitization equipment to carry out graphite electrode.But this process of the test is system not, and the extraction of various technological parameters is difficulty very, can not complete reflection actual conditions, and utilize the big stove of producing, and the time is long, and the expense height can't effectively be controlled test parameters, and experiment effect is bad.
The utility model content
The purpose of this utility model overcomes the above technical deficiency exactly, and a kind of a kind of graphite electrode raw material and the technical study equipment series that can simulate large-scale graphite electrode raw material explained hereafter flow process and equipment thereof is provided.
This novel purpose is achieved in that a kind of graphite electrode raw material and technical study equipment series, comprise calcining and the dual-purpose resistance furnace 1 of roasting, coarse crushing with jaw crusher 2, in small, broken bits with double-roll crusher 3, abrasive dust with bowl mill 4, screening with test vibratory screening apparatus 5, prepare burden with electronic balance 6, mixedly pinch pots 7, moulding is with little extruder 8, automatic graphitizing furnace 9, detection support equipment 10 formations; Wherein coarse crushing is with jaw crusher 2, the in small, broken bits connection by workbench 11 with test vibratory screening apparatus 5 with bowl mill 4, screening with double-roll crusher 3, abrasive dust being arranged on 1. number room; Batching with electronic balance 6, mix pinch pot 7, moulding is arranged on 2. number room with little extruder 8 by workbench 11 connections; Calcining and the dual-purpose resistance furnace 1 of roasting, automatic graphitizing furnace 9 are connected by workbench 11 and are arranged on 3. number room; Detect support equipment 10 and be arranged on 4. number room separately.
Above-mentioned mixed pinching in the pot 7 is equipped with torque sensor and torque gauge, realizes the real-time measurement of pinching a pot shaft load torque, rotating speed to mixing.
Above-mentioned picking up from mixed the temperature parameter pinch in the pot as calculated after the machine software processes, obtains torque, rotating speed, power, temperature curve over time, can study thickener plasticity.
The little extruding function of above-mentioned moulding provides pass type mouth curve, squeeze pressure, temperature profile data.
Above-mentioned automatic graphitizing furnace has the intelligent temperature control system, finishes the measuring and controlling temp process automatically, and system can heat up by given heating curve.
Above-mentioned 1., 2., 3., 4. number room is connected together by opening the workplace door according to technological requirement, can require close the workplace door according to equipment performance and form separately independently workplace.
The material performance evaluation and the technical study test that utilize experimental series device of the present utility model to carry out graphite electrode according to the roasting and the graphitization equipment of big production, the result shows that the beneficial effect that graphite electrode technology is studied is:
1, equipment is little, and technological parameter is controlled easily, and technological parameter with strong points is beneficial to and improves large-scale production;
2, process of the test is all carried out between laboratory work, quick, rapid convenient, the saving cost of test;
3, utilize the little extruder of design voluntarily, carry out the research of aspects such as relevant type mouth curve, squeeze pressure, Temperature Distribution; Torque sensor and the torque gauge installed can carry out series of studies to thickener plasticity;
4, the plain technology whole process of charcoal is simulated production research, make big production technology can access improvement and perfect constantly; To advance factory's raw material and both at home and abroad the resource-type material performance estimate, select proper raw material and process conditions for production technology department, reliable basis be provided for purchasing of raw materials department buying raw material.
Description of drawings
Fig. 1 is the synoptic diagram that is provided with described in the utility model;
Fig. 2 is the described experiment process synoptic diagram of the utility model embodiment.
Embodiment
According to Fig. 1, Fig. 2 and embodiment the utility model is described further.
A kind of graphite electrode raw material and technical study equipment series, the dual-purpose resistance furnace genus of described calcining and roasting designs and produces small-sized calcining and the dual-purpose resistance furnace of roasting voluntarily, size of burner hearth 350 * 350 * 400mm, do heater element with Elema, 1350 ℃ of maximum operation (service) temperatures, temperature-rise period carries out intellectuality control with the PID regulator, is arranged on the workbench of No. 3 workplaces with automatic graphitizing furnace.Described coarse crushing is selected XPC100 * 125 type jaw crushers for use with jaw crusher, material inlet size 125 * 100mm, maximum feeding granularity 80mm, discharging-material size 1～6mm, in small, broken bitsly select XP2 Φ 200 * 75 type double-roll crushers for use with double-roll crusher, material inlet size 75 * 13mm, maximum feeding granularity 13mm, discharging-material size 0.1～3mm.Abrasive dust bowl mill QM-10-A type bowl mill, mill tube volume 10L, maximum feed granularity 50mm, the I of discharging-material size reaches below 325 orders (45 μ m), screening is tested vibratory screening apparatus, testing sieve specification 1mm, 0.5mm, 0.075mm with the test vibration screening with Φ 200 * 50 types; According to raw material and technological requirement the said equipment is arranged on the workbench of 1. number workroom.So-called workbench is made of reinforced concrete to be installed footing with described equipment and links into an integrated entity.
Batching is a YP10KN type electronic balance with electronic balance, range of weighing 10kg, and precision 1g mixes and pinches pot and select for use NH (Z)-10 type to mix to pinch pot, useful volume 10L, energy online in real time thermometric.Pinch between pot motor and the reductor mixed, NJOD20 type torque sensor and NC-3A type torque gauge are installed, realization is to mixing the real-time measurement of pinching a pot shaft load torque, rotating speed, and pick up from software neutralization and to mix the temperature parameter machine processing as calculated together of pinching in the pot, obtain torque, rotating speed, power, temperature curve over time, can study thickener plasticity.
Described moulding belongs to the little extruder of self design with little extruder, material chamber diameter 100mm, material chamber length 300mm, two kinds of nozzle diameter 20mm and 50mm, nozzle reducer length 127.1mm, reducer are one section circular arc, radius 222mm, nozzle length of straigh line 72.9mm, tamping pressure 20～24MPa, extrusion pressure 3～7MPa, extruded velocity 0～12mm/s, 90～130 ℃ of material chamber section temperature, 110～165 ℃ of nozzle reducer temperature, 165～230 ℃ of nozzle straight-line segment temperature.
Nozzle is connected with the material chamber by screw thread, can design the nozzle of different curve reducers as required, changes easily.Study different type mouth curves, to the extruded product Effect on Performance.Batching with electronic balance, mix pinch pot, moulding is arranged on the workbench 1 in 2. number room with little extruder.
Instruments such as the detection support equipment comprises universal hydraulic testing machine, the instrument of moving, resistivity tester, thermal dilatometer, the volume density of test specimens goods, rupture strength, compressive strength, elastic modulus, resistivity, thermal expansivity, ash grade, and according to instrument the requirement of working environment are arranged on 4. number room separately.
Described automatic graphitizing furnace is the vertical electric resistance furnace for graphitization of small design voluntarily, and maximum operation (service) temperature can reach 2800 ℃.Stove totally is vertical structure, and size of burner hearth is Φ 300 * 400mm, adopts graphite cannula to do resistance heater, does insulation with the silica aerogel layer of 300～400mm around the heater, and outermost is a cooling jacket.Transformer efficiency 330kVA, silicon controlled rectifier are direct supply, the copper busbar that bus can cool off for the band water jacket.Adopt digital display intelligent temperature control system, full-automatic high precision is finished the measuring and controlling temp process, and system can heat up by given heating curve.Work atmosphere is nitrogen or inert gas in the stove, temperature uniformity≤± 10 ℃, far infrared optics temperature measurer thermometric, temperature measurement accuracy 0.2～0.75%.
Described 1., 2., 3., 4. number room is connected together by opening workplace door 12 according to technological requirement, can require close workplace door 12 according to equipment performance and form separately independently workplace.Such design has not only been satisfied full-flow process test but also can the unitary part experiment and can be by the different requirements of equipment performance with being provided with, and the distinct device classification setting is in different workplaces, easy to use, and experimental cost is cheap.Fig. 2 is to use the embodiment of experiment process described in the utility model.For example get raw petroleum coke or needle coke 6～10kg, at first 1. the calcining back enters by the workplace door that number room carries out coarse crushing, in small, broken bits, abrasive dust in 3. number room resistance furnace, enters 2. number room by the prescription weighing and burden by the workplace door again after the screening; The adding of batching siccative mixes to pinch to do in the pot and mixes, add the 2kg coal-tar pitch after temperature reached 100 ℃ in 20 minutes and carry out wet mixing, wet mixing 30 minutes, the cool material that takes the dish out of the pot after temperature reaches 140～150 ℃, cool material are packed into after about 110 ℃ and are squeezed into the spillikin sample of Φ 20 * 300mm or Φ 50 * 400mm in the little extruder.3. the spillikin sample enters number room behind the resistance kiln roasting by the workplace door, graphitization in the minitype vertical type electric resistance furnace for graphitization again, and entering 4. by the workplace door then, number room carries out test evaluation.
Claims (3)
1. graphite electrode raw material and technical study equipment series is characterized in that: comprise calcining and the dual-purpose resistance furnace of roasting (1), coarse crushing with jaw crusher (2), in small, broken bits with double-roll crusher (3), abrasive dust with bowl mill (4), screening with test vibratory screening apparatus (5), batching with electronic balance (6), mixedly pinch pot (7), moulding with little extruder (8), automatic graphitizing furnace (9) and detection support equipment (10) formation; Wherein coarse crushing is with jaw crusher (2), the in small, broken bits connection by workbench (11) with test vibratory screening apparatus (5) with bowl mill (4), screening with double-roll crusher (3), abrasive dust being arranged on 1. number room; Batching with electronic balance (6), mix pinch pot (7), moulding is arranged on 2. number room with little extruder (8) by workbench (11) connection; Calcining and the dual-purpose resistance furnace of roasting (1), automatic graphitizing furnace (9) are connected by workbench (11) and are arranged on 3. number room; Detect support equipment (10) and be arranged on 4. number room separately.
2. according to described a kind of graphite electrode raw material of claim 1 and technical study equipment series, it is characterized in that: described mixed pinching in the pot (7) is equipped with torque sensor and torque gauge, realizes the real-time measurement of pinching a pot shaft load torque, rotating speed to mixing.
3. according to described a kind of graphite electrode raw material of claim 1 and technical study equipment series, it is characterized in that: described 1., 2., 3., 4. number room is connected together by workplace door (12), can require to close or open workplace door (12) according to equipment performance, to form separately independently workplace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201769754U CN201555835U (en) | 2009-09-23 | 2009-09-23 | Serial device for researching graphite electrode rawmaterial and technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201769754U CN201555835U (en) | 2009-09-23 | 2009-09-23 | Serial device for researching graphite electrode rawmaterial and technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555835U true CN201555835U (en) | 2010-08-18 |
Family
ID=42615523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201769754U Expired - Fee Related CN201555835U (en) | 2009-09-23 | 2009-09-23 | Serial device for researching graphite electrode rawmaterial and technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201555835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530964A (en) * | 2011-10-12 | 2012-07-04 | 邱富仁 | Two-phase flow integrated quartz resistance furnace |
| CN116764744A (en) * | 2023-08-18 | 2023-09-19 | 四川士达贸易有限公司 | Graphite joint preparation process and equipment |
-
2009
- 2009-09-23 CN CN2009201769754U patent/CN201555835U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530964A (en) * | 2011-10-12 | 2012-07-04 | 邱富仁 | Two-phase flow integrated quartz resistance furnace |
| CN102530964B (en) * | 2011-10-12 | 2013-06-19 | 邱富仁 | Two-phase flow integrated quartz resistance furnace |
| CN116764744A (en) * | 2023-08-18 | 2023-09-19 | 四川士达贸易有限公司 | Graphite joint preparation process and equipment |
| CN116764744B (en) * | 2023-08-18 | 2023-12-05 | 四川士达贸易有限公司 | Graphite joint preparation process and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101603132B (en) | Method and device for producing vanadium-nitrogen alloy | |
| CN101737574B (en) | Preparation method of thin-wall tubular product of particle-reinforced aluminum-based composite material | |
| Thammavong et al. | Experimental apparatus for studying heat transfer in externally heated rotary kilns | |
| CN109679746A (en) | A kind of titanium or titanium alloy hot extrusion glass protecting lubricant and preparation method thereof | |
| CN201555835U (en) | Serial device for researching graphite electrode rawmaterial and technology | |
| CN113607611A (en) | Coupling evaluation method for mixing uniformity of powder material | |
| CN110057692A (en) | A kind of agglomeration for iron mine Binder Phase adhesion strength measuring method | |
| CN104291813B (en) | A kind of preparation surveying hydrogen solid electrolyte tube and manufacturing process | |
| CN203479665U (en) | Suspension type high-temperature and high-pressure rheometer system | |
| CN103048205A (en) | On-line testing device for hot compression strength of coal briquette | |
| CN106841504A (en) | The testing equipment and method of a kind of reduced iron | |
| CN108892487A (en) | A kind of manufacturing process of novel fire-resistant castable | |
| CN106680135B (en) | Device and method for measuring high-temperature metallurgical property of coke | |
| CN102285788A (en) | Method for preparing electroconductive ceramic product from pyrite cinder | |
| Aigbodion et al. | Potential of tin tailings an industrial waste for refractory materials | |
| CN105067478A (en) | Method and device for detecting powder rate of dry pellets | |
| CN106198301A (en) | A kind of method and device formulating castable refractory baking regime | |
| CN107119249A (en) | A kind of control climate metal interface film deposition apparatus and method | |
| CN206609740U (en) | A kind of device for testing ore reduction performance | |
| CN206609839U (en) | A kind of testing equipment of reduced iron | |
| CN207351798U (en) | A kind of direct shear apparatus | |
| CN206609739U (en) | A kind of gas-based reduction experimental rig | |
| CN1059495C (en) | Crucible for smelting ferrous metal and its production technology | |
| CN110793324A (en) | Iron ore sintering cup simulation test system and method capable of realizing process temperature control | |
| CN204142585U (en) | The hot compressive strength online testing device of moulded coal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |