CN205023860U - Continuous gas purification of carbon element granular material high temperature and graphitization electric heater - Google Patents
Continuous gas purification of carbon element granular material high temperature and graphitization electric heater Download PDFInfo
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- CN205023860U CN205023860U CN201520797941.2U CN201520797941U CN205023860U CN 205023860 U CN205023860 U CN 205023860U CN 201520797941 U CN201520797941 U CN 201520797941U CN 205023860 U CN205023860 U CN 205023860U
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Abstract
The utility model relates to a continuous gas purification of carbon element granular material high temperature and graphitization electric heater, it includes termination electrode and lower termination electrode, upward be equipped with termination electrode internal cooling room in the termination electrode, the coolant liquid entry, it comprises last termination electrode generating line incoming end and last termination electrode biography electric mortiser incoming end to go up the termination electrode, the termination electrode is equipped with the through -hole down, through -hole and the export of graphitization material on the termination electrode under the through -hole includes, be equipped with down the termination electrode cooling chamber down in the termination electrode, cooling liquid exit, the termination electrode top is equipped with the insulation board down, the material distributes and encircles, the material distributes to encircle and is equipped with material feed opening, material distribution discharge gate and material distribution chamber, it passes the electric mortiser incoming end and inserts down through -hole on the termination electrode to go up the termination electrode, form material resistance heating room between the two, compared with the prior art, the utility model discloses product manufacture is simple, energy -efficient, treats the graphitization powder to the room input of material resistance heating, relies on its material self resistance heating after the circular telegram, realizes that the serialization of material adds nice and warm business turn over material.
Description
Technical field
The utility model relates to carbon materials graphitization processing field, particularly relates to a kind of carbon element particulate material high temperature continuous gas and purifies and greying electrothermal oven.
Background technology
Lithium-ion-power cell is the novel high-energy battery succeeded in developing in 20th century.Energy density is high, battery discharge platform is high, electric discharge steady because it has for this battery, and high and low temperature resistance is excellent, automatic discharging is very slow, and the advantages such as storage life is long, have been widely used in the middle of military and civilian electrical equipment.Along with the development of science and technology, produce the battery of all size, obtain being widely used in the every field such as various electrical equipment, digital electric, particularly it will become one of the major impetus power supply of 21 century electromobile, power tool, and will be applied in extensive energy storage, electrical network Ping Feng, and the high-tech such as man-made satellite, aerospace and military field widespread use.
Negative material is one of critical material of lithium ion battery, and carbonaceous material is people's early start studies and be applied to the material of lithium ion battery negative, is still subject to extensive concern so far.Carbon negative pole material conventional at present mainly contains natural graphite and people causes graphite.
Amorphous graphite and highly crystalline ordered graphitic and crystalline flake graphite two kinds is had in natural graphite.Natural graphite is high due to its degree of graphitization, and be particularly suitable for the de-/embedding of lithium ion, because natural graphite belongs to raw ore product, relative cost is lower, is one of emphasis of negative material research and development always.Natural graphite contains a lot of dirt on the other hand, although chemically purify to reach quite high purity, can produce a lot of problem, the efficiency of production is not high yet yet.Simple by the ultrahigh-temperature methods of purification of more than 2800 degree, production efficiency is also higher, and but because existing processing unit energy consumption is large, production cost is high, is also difficult to obtain uniform and stable hyperthermal environments simultaneously, constrains the Application and Development that becomes more meticulous of natural graphite.
Synthetic graphite is obtained through more than 3000 degree ultrahigh-temperature graphitization processing by easy graphitized carbon, and the synthetic graphite class material as lithium ion battery negative material mainly contains carbonaceous mesophase spherules graphite, graphite fibre, and other various graphitized carbons etc.What wherein people were familiar with the most is high-graphitized carbonaceous mesophase spherules, is called for short MCMB.Commercial high-graphitized MCMB has excellent cyclicity, is one of main negative material of using of current long lifetime small-scale lithium ion cell and power cell.When mesophase pitch carbon microspheres uses as lithium ion battery negative material, need to carry out about 3000 DEG C graphitization processing, this substantially increases the cost of mesophase pitch carbon microspheres undoubtedly, and pole is unfavorable for using widely.Therefore, how improving technique, reduce manufacturing cost and improve performance, be the major subjects of current MCMB negative material research.
No matter the high temperature purification of natural graphite, or the production of graphous graphite powder, all be unable to do without the ultrahigh-temperature working condition of about 3000 degree.The production of current domestic industry, the most widely used is acheson furnace.This type of furnace is open type galley body structure, produce for Graphite Electrodes the earliest, use it for now the carbon negative pole material producing lithium cell, airtight with carbon crucible splendid attire, carry out side by side vertical or horizontal, and fill metallurgical coke resistance material filling around the crucible of carbon negative pole material, be energized at the longitudinal direction two ends of body of heater, utilize the resistance heating of coke resistance material, finally make also to be produced resistance heating by heating crucible itself, reach the condition obtaining ultrahigh-temperature, realize the greying of carbon negative pole material in crucible.Thermoshield is carried out with heat-insulation and heat-preservation with auxiliary materials such as coke powder, carbon black, silica sand/coke/silicon carbide blend again in the periphery of combustion chamber.The defect of acheson furnace mainly contains:
1, acheson furnace is horizontal, unenclosed construction, and heat energy loss is serious, and institute's consuming electric power is 16000kwh/t by output unit consumption, and product purity is not high;
2, body of heater is long for cooling time, and graphitizing process needs 2 ~ 7 days when electrified regulation, but wants the material in stove to naturally cool to the service temperature that can come out of the stove, and need the long period of about 2 weeks, production efficiency is low; Carrying out water spray forces cooling to shorten cooling time, but the evaporation environmental pollution impact of a large amount of water vapor is large, also easily because infiltration causes the product in stove to be oxidized;
3, product is heated inequality, and core temperature reaches 2600 degree (the graphited temperature of top grade graphite cathode powder must reach about 3000 degree), and temperature that is peripheral and two is much lower, causes product degree of graphitization uneven, quality instability;
4, the sulfurous gas that discharges in temperature-rise period of the furnace type structure of open type and other foreign gas cannot collect improvement, cause environmental pollution;
5, in process of cooling, waste heat cannot be recycled, and causes a large amount of energy dissipations;
6, take on stove manual operation, labour intensity is large, work under bad environment;
7, yield poorly, a set of medium-sized stove annual production about 4000 tons.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of processing and manufacturing simple, use easy and simple to handle, efficient, energy-conserving and environment-protective, the serialization heating that can realize material purifies and greying electrothermal oven with the carbon element particulate material high temperature continuous gas of input and output material, recoverable waste heat.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of carbon element particulate material high temperature continuous gas is purified and greying electrothermal oven, it comprises upper end electrode and is positioned at the lower end electrode below described upper end electrode, the inside of described upper end electrode be provided with match with described upper end electrode for fill cooling fluid upper end electrode in cooling room, in described upper end electrode, cooling room is provided with the cooling fluid entrance be in communication with the outside, described upper end electrode is made up of interconnective upper end electrode bus incoming end and the upper end electrode insertion end that conducts electricity, the described upper end electrode insertion end that conducts electricity is positioned at the bottom of described upper end electrode bus incoming end, the conduct electricity cross-sectional area of insertion end of described upper end electrode reduces from top to bottom gradually,
Described lower end electrode is provided with through hole material being transported to bottom from its top, described through hole comprises through hole and greying material outlet in the lower end electrode that interconnects, described greying material outlet is positioned at the below of through hole in described lower end electrode, in described lower end electrode, the cross-sectional area of through hole reduces from top to bottom gradually, and mutually mate with the described upper end electrode insertion end that conducts electricity, the cross-sectional area of described greying material outlet is equal to or less than the cross-sectional area of via bottoms in described lower end electrode, the inside of described lower end electrode is provided with the lower end electrode cooling room for filling cooling fluid, described lower end electrode cooling room is provided with and is communicated with extraneous cooling liquid outlet, in described upper end electrode, cooling room is connected with described lower end electrode cooling room,
The top of described lower end electrode is provided with the insulcrete matched with it, the tight of described insulcrete and described lower end electrode is fitted, the top of described insulcrete is provided with the material distribution rings matched with described upper end electrode, the bottom of described material distribution rings and the tight of described insulcrete are fitted, the inside of described material distribution rings is provided with the material distribution cavity of ring-type, the outer circumference face of described material distribution rings is provided with the material feeding mouth be connected with described material distribution cavity, the inside circumference face of described material distribution rings is evenly provided with material that multiple and described material distribution cavity is connected to distribute discharge port,
Described material distribution rings is sleeved on the bottom of described upper end electrode bus incoming end, the material discharging area of annulus shape is formed between its inside circumference face and outer wall of described upper end electrode, the bottom surrounding of described upper end electrode bus incoming end is provided with and it can be made to be placed on support portion above described material distribution rings, described support portion is fixedly connected with described upper end electrode bus incoming end, fit with the tight of described material distribution rings bottom it, the described upper end electrode insertion end that conducts electricity to be inserted in described lower end electrode in through hole, in its outer wall and described lower end electrode through hole inwall between form the material resistive heating room of annulus shape, described material resistive heating room is connected with described material discharging area,
The top of described upper end electrode, the bottom of described lower end electrode are equipped with flange, be provided with the union lever matched with them between two described flanges, described upper end electrode, described material distribution rings, described insulcrete and described lower end electrode are fixed together formation composite entity by described flange and described union lever.
Compared with prior art, the beneficial effects of the utility model are:
The manufacture of the utility model Product processing is simple, maintenance cost is low, easy to maintenance, graphited carbon element fine particle is treated to the input of material resistive heating room by material feeding mouth, rare gas element and can carry out with the metallic impurity compound in carbon element fine particle the purification gas that reacts under the high temperature conditions, upper end electrode is given again under inert atmosphere protection environment, lower end electrode is energized, electric current just can by the resistance heating of carbon element fine particle self, and along with the increase of time and electric current, the fine grain temperature of carbon element is made to reach about 3000 degree, thus complete greying and purification, then material resistive heating room is flowed out from greying material outlet, material below continues to be filled with material resistive heating room again, whole process continuous is carried out, and in heat-processed, consume electric energy without any need for external resistor material and plumbago crucible to heat, avoid waste of energy, in production process, coolant circulation system is carrying out cooling down to the upper end electrode of electrothermal oven and lower end electrode, prevent electrode overheating, the greying material of discharging is in process of cooling, the heat that material after the cooling fluid of electrode can also be allowed to continue absorption greying discharges in process of cooling, become the thermal source required for other device fabrications, recycle, energy-efficient, use easy and simple to handle.
On the basis of technique scheme, the utility model can also do following improvement.
As a kind of preferred implementation of the present utility model, described upper end electrode is provided with the upper end electrode bus fishplate bar be connected electrically, described lower end electrode is provided with the lower end electrode bus fishplate bar be connected electrically.
The beneficial effect of above-mentioned preferred version is adopted to be: to be conveniently energized to upper end electrode and lower end electrode.
As another kind of preferred implementation of the present utility model, the inside of described upper end electrode bus fishplate bar is provided with upper end electrode bus cooling room, the inside of described lower end electrode bus fishplate bar is provided with lower end electrode bus cooling room, in described upper end electrode, cooling room is connected with described upper end electrode bus cooling room, described upper end electrode bus cooling room is connected with described lower end electrode bus cooling room, and described lower end electrode bus cooling room is connected with described lower end electrode cooling room.
The beneficial effect of above-mentioned preferred version is adopted to be: can either lower the temperature to upper and lower end electrode bus bars fishplate bar and the upper and lower end electrode bus bars connected thereon, avoid their Yin Wendu too high and impaired, and make cooling fluid can absorb more waste heat, after cooling fluid is heated, become the thermal source required for other device fabrications, and the cooling recirculation system of Erecting and improving.
As another kind of preferred implementation of the present utility model, described upper end electrode bus incoming end is made up of upper end electrode body and the upper end electrode salient that is arranged on mid-way bottom described upper end electrode body, described upper end electrode body is fixedly connected with upper end electrode salient, the cross-sectional area of described upper end electrode salient is less than the cross-sectional area of through hole in described lower end electrode, the conduct electricity top of insertion end of described upper end electrode is mutually mated with the bottom of described upper end electrode salient and is fixedly connected with, described material distribution rings is between described upper end electrode body and described insulcrete, and be sleeved on outside described upper end electrode salient, the material discharging area of annulus shape is formed between the inside circumference face of described material distribution rings and the outer wall of described upper end electrode salient, described upper end electrode body is placed on the top of described material distribution rings, and fit with the tight of described material distribution rings bottom it.
The beneficial effect of above-mentioned preferred version is adopted to be: to be used as the support portion on upper end electrode bus incoming end by upper end electrode body, upper end electrode is pressed in material distribution rings, can not be fallen by material distribution rings jack-up, make upper end electrode conduct electricity insertion end and lower end electrode lower end electrode on can form gap between through hole, i.e. material resistive heating room, processing and manufacturing is simple.
As another kind of preferred implementation of the present utility model, be provided with the outer cooling room of the upper end electrode matched with it in described upper end electrode body, the outer cooling room of described upper end electrode in the form of a ring, and is centered around the surrounding of cooling room in described upper end electrode.
The beneficial effect of above-mentioned preferred version is adopted to be: auxiliary temperature-reducing can either be carried out to upper end electrode, avoid its because of temperature too high and impaired, and cooling fluid is heated up, again through absorbing the cooling residual heat of greying exported product, cooling fluid is made to become the thermal source of other equipment, recycle, system waste heat obtains sufficient recycling, and cooling recirculation system is more perfect, systematize more.
As another kind of preferred implementation of the present utility model, the conduct electricity top of insertion end of bottom and the described upper end electrode of described upper end electrode bus incoming end is mutually mated and is fixedly connected with, described support portion is the outer cooling jacket of upper end electrode being sleeved on described upper end electrode bus incoming end bottom, and the outer cooling jacket of described upper end electrode in the form of a ring.
The beneficial effect of above-mentioned preferred version is adopted to be: the support portion of ring-type is pressed in material distribution rings, can better make upper end electrode bus incoming end can not be fallen by material distribution rings jack-up, make upper end electrode conduct electricity insertion end and lower end electrode lower end electrode on can form gap between through hole, i.e. material resistive heating room, assembling is more simple, and detachable maintaining is convenient.
As another kind of preferred implementation of the present utility model, the inside of the outer cooling jacket of described upper end electrode is provided with the outer cooling room of upper end electrode for filling cooling fluid, in described upper end electrode, cooling room is connected with the outer cooling room of described upper end electrode, and the outer cooling room of described upper end electrode is connected with described lower end electrode cooling room.
Adopt the beneficial effect of above-mentioned preferred version to be: auxiliary temperature-reducing can either be carried out to upper end electrode, avoid its because of temperature too high and impaired, and make that coolant circulation system is more perfect, systematize more.
As another kind of preferred implementation of the present utility model, described cooling fluid ingress is provided with the coolant inlet pipe stretched in described upper end electrode bottom cooling room.
The beneficial effect of above-mentioned preferred version is adopted to be: cooling fluid to be delivered directly in upper end electrode bottom cooling room, the cooling performance of cooling fluid to upper end electrode can be made better, faster to realize, also meet the rule that liquid is flowed to high-temperature zone by cold zone.
As another kind of preferred implementation of the present utility model; the conduct electricity outer wall surface of insertion end of described upper end electrode is provided with the dismountable upper end electrode graphite protective sleeve of one deck, and in described lower end electrode, the inner wall surface of through hole is provided with the dismountable lower end electrode graphite protective sleeve of one deck.
The beneficial effect of above-mentioned preferred version is adopted to be: graphite protective sleeve can protect upper end electrode, lower end electrode well; two end electrodes is avoided to damage; graphite protective sleeve is made up of highly purified graphite, corrosion-and high-temp-resistant, not fragile; be damaged in time; only need graphite protective sleeve to disassemble and carry out keeping in repair, changing, electrothermal oven can be made to continue normal operation, greatly extend the work-ing life of upper and lower end electrode; convenient for maintaining, cost-saving.
As another kind of preferred implementation of the present utility model, described material distribution rings comprises highly identical inner ring and outer shroud, the inside circumference face of described outer shroud is provided with annular recesses, the outer circumference face of described inner ring and the inside circumference face of described outer shroud fit tightly, described material distribution cavity is the space formed between the outer circumference face of described inner ring and described annular recesses, described material feeding mouth is positioned on described outer shroud, all described material distribution discharge ports are evenly distributed on the periphery of described inner ring, described material distribution cavity is from the one end near described material feeding mouth to the one end away from described material feeding mouth, sectional area reduces gradually.
The beneficial effect of above-mentioned preferred version is adopted to be: carbon element fine particle is packed in the ring groove of material distribution rings from material feeding mouth, flow out from the material distribution outlets at top, material distribution rings inside circumference face again, make material can enter material discharging area uniformly, this material distribution rings is not only very easy to use, and processing and manufacturing is simpler.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of bowing of cooling room integral structure inside and outside the utility model product upper end electrode;
Fig. 2 be in Fig. 1 the utility model product along the side cross-sectional view in A-A direction;
Fig. 3 is that in Fig. 2, the utility model product faces upward cross-sectional view along B-B direction;
Fig. 4 is that in Fig. 2, the utility model product faces upward cross-sectional view along C-C direction;
Fig. 5 is that in Fig. 2, the utility model product faces upward cross-sectional view along D-D direction;
Fig. 6 is the side cross-sectional view of the utility model product when being provided with the outer cooling jacket of upper end electrode;
Fig. 7 is that in Fig. 6, the utility model product faces upward cross-sectional view along B-B direction;
Fig. 8 is that in Fig. 6, the utility model product faces upward cross-sectional view along C-C direction;
Fig. 9 is that in Fig. 6, the utility model product faces upward cross-sectional view along D-D direction;
Figure 10 is the side cross-sectional view of the utility model product when not establishing the outer cooling room of upper end electrode;
In accompanying drawing, the list of parts representated by each label is as follows:
1, upper end electrode; 2, cooling room in upper end electrode; 3, cooling fluid entrance; 4, upper end electrode bus cooling room, 5, upper end electrode bus fishplate bar, 6, the outer cooling room of upper end electrode; 7, material distribution rings; 8, material feeding mouth, 9, lower end electrode, 10, insulcrete; 11, upper end electrode graphite protective sleeve; 12, lower end electrode graphite protective sleeve, 13, material resistive heating room, 14, lower end electrode bus fishplate bar; 15, lower end electrode bus cooling room; 16, lower end electrode cooling room, 17, greying material outlet, 18, cooling liquid outlet.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Embodiment 1
As Figure 6-9, a kind of carbon element particulate material high temperature continuous gas is purified and greying electrothermal oven, it comprises upper end electrode 1 and is positioned at the lower end electrode 9 below described upper end electrode 1, described upper end electrode 1 takes overall graphite column to process, its inside be provided with match with described upper end electrode for fill cooling fluid upper end electrode in cooling room 2, in described upper end electrode, cooling room 2 is provided with the cooling fluid entrance 3 be in communication with the outside, in described upper end electrode, the shape of cooling room 2 is mated mutually with the shape of described upper end electrode 1, described cooling fluid entrance 3 place is provided with the coolant inlet pipe stretched in described upper end electrode bottom cooling room 2, described upper end electrode 1 is made up of integrated upper end electrode bus incoming end and the upper end electrode insertion end that conducts electricity, the described upper end electrode insertion end that conducts electricity is positioned at the bottom of described upper end electrode bus incoming end, the described upper end electrode insertion end that conducts electricity is round table-like, its cross-sectional area reduces from top to bottom gradually,
Described lower end electrode 9 is provided with through hole material being transported to bottom from its top, described through hole comprises through hole and greying material outlet 17 in the lower end electrode that interconnects, described greying material outlet 17 is positioned at the below of through hole in described lower end electrode, in described lower end electrode, the cross-sectional area of through hole reduces from top to bottom gradually, and mutually mate with the described upper end electrode insertion end that conducts electricity, the cross-sectional area of described greying material outlet 17 is equal to or less than the cross-sectional area of via bottoms in described lower end electrode, the inside of described lower end electrode 9 is provided with the lower end electrode cooling room 16 for filling cooling fluid, described lower end electrode cooling room 16 is provided with and is communicated with extraneous cooling liquid outlet 18,
The top of described lower end electrode 9 is provided with the insulcrete 10 matched with it, described insulcrete 10 is fitted with the tight of described lower end electrode 9, the top of described insulcrete 10 is provided with the material distribution rings 7 matched with described upper end electrode 1, the bottom of described material distribution rings 7 and the tight of described insulcrete 10 are fitted, the inside of described material distribution rings 7 is provided with the material distribution cavity of ring-type, the outer circumference face of described material distribution rings 7 is provided with the material feeding mouth 8 be connected with described material distribution cavity, the inside circumference face of described material distribution rings 7 is evenly provided with material that multiple and described material distribution cavity is connected to distribute discharge port, described material distribution rings 7 directly can arrange the material distribution cavity of ring-type in inside, also can be made up of highly identical inner ring and outer shroud, the inside circumference face of described outer shroud is provided with annular recesses, the outer circumference face of described inner ring and the inside circumference face of described outer shroud fit tightly, described material distribution cavity is the space formed between the outer circumference face of described inner ring and described annular recesses, described material feeding mouth 8 is positioned on described outer shroud, all described material distribution discharge ports are evenly distributed on the periphery of described inner ring, described material distribution cavity is from the one end near described material feeding mouth 8 to the one end away from described material feeding mouth 8, sectional area reduces gradually, such material distribution rings is easily processing and manufacturing both, carbon element particulate material is facilitated again to carry out uniform distribution when flowing,
Described material distribution rings 7 is sleeved on the bottom of described upper end electrode bus incoming end, the material discharging area of annulus shape is formed between its inside circumference face and outer wall of described upper end electrode 1, the bottom surrounding of described upper end electrode bus incoming end is provided with and it can be made to be placed on support portion above described material distribution rings 7, described support portion is the outer cooling jacket of upper end electrode being sleeved on described upper end electrode bus incoming end bottom, the outer cooling jacket of described upper end electrode in the form of a ring, it is fixedly connected with described upper end electrode bus incoming end, fit with the tight of described material distribution rings 7 bottom it, better upper end electrode is supported in order to make the outer cooling jacket of upper end electrode, the sectional area that upper end electrode bus incoming end is positioned at that section above the outer cooling jacket of upper end electrode can be greater than the endoporus area of the outer cooling jacket of upper end electrode,
The outer cooling jacket of described upper end electrode and lower end electrode can take moudle type to process, and to solve the deficiency of the graphite material specification required for overall processing, this type of furnace is suitable for manufacturing large-scale continuous graphitization electrothermal oven;
The conduct electricity top of insertion end of bottom and the described upper end electrode of described upper end electrode bus incoming end is mutually mated and is fixedly connected with, the described upper end electrode insertion end that conducts electricity to be inserted in described lower end electrode in through hole, in its outer wall and described lower end electrode through hole inwall between form the material resistive heating room 13 of annulus shape, the conduct electricity outer wall surface of insertion end of described upper end electrode is provided with the dismountable upper end electrode graphite protective sleeve 11 of one deck, in described lower end electrode, the inner wall surface of through hole is provided with the dismountable lower end electrode graphite protective sleeve 12 of one deck, described material resistive heating room 13 is connected with described material discharging area,
Described upper end electrode 1 is provided with the upper end electrode bus fishplate bar 5 be connected electrically, described lower end electrode 9 is provided with the lower end electrode bus fishplate bar 14 be connected electrically, the inside of described upper end electrode bus fishplate bar 5 is provided with upper end electrode bus cooling room 4, the inside of described lower end electrode bus fishplate bar 14 is provided with lower end electrode bus cooling room 15, the inside of the outer cooling jacket of described upper end electrode is provided with the outer cooling room 6 of upper end electrode for filling cooling fluid, in described upper end electrode, cooling room 2 is connected with the outer cooling room 6 of described upper end electrode, the outer cooling room 6 of described upper end electrode is connected with described upper end electrode bus cooling room 4, described upper end electrode bus cooling room 4 is connected with described lower end electrode bus cooling room 15, described lower end electrode bus cooling room 15 is connected with described lower end electrode cooling room 16,
The top of described upper end electrode 1, the bottom of described lower end electrode 9 are equipped with flange, the union lever matched with them is provided with between two described flanges, insulating material is had to be separated by between connecting rod and flange, keep upper end electrode and lower end electrode to be in state of insulation, described upper end electrode 1, described material distribution rings 7, described insulcrete 10 and described lower end electrode 9 are fixed together by described flange and described union lever becomes a composite entity.
Embodiment 2
As Figure 1-5, a kind of carbon element particulate material high temperature continuous gas is purified and greying electrothermal oven, its structure is similar to Example 1, difference is, described upper end electrode bus incoming end is made up of upper end electrode body and the upper end electrode salient that is arranged on mid-way bottom described upper end electrode body, described upper end electrode body and upper end electrode salient one-body molded, the conduct electricity top of insertion end of described upper end electrode is mated mutually with the bottom of described upper end electrode salient and one-body molded, described material distribution rings 7 is between described upper end electrode body and described insulcrete 10, and be sleeved on outside described upper end electrode salient, the material discharging area of annulus shape is formed between the inside circumference face of described material distribution rings 7 and the outer wall of described upper end electrode salient, described upper end electrode body is placed on the top of described material distribution rings 7, and fit with the tight of described material distribution rings 7 bottom it, described upper end electrode body is described support portion, the outer cooling jacket of upper end electrode is not set specially, and in described upper end electrode body, be provided with the outer cooling room 6 of the upper end electrode matched with it, the outer cooling room 6 of described upper end electrode in the form of a ring, and be centered around the surrounding of cooling room in described upper end electrode.
Embodiment 3
As shown in Figure 10, a kind of carbon element particulate material high temperature continuous gas is purified and greying electrothermal oven, its structure is similar to Example 2, difference is, it had not both arranged the outer cooling jacket of upper end electrode specially, also do not arrange the outer cooling room 6 of upper end electrode, lower end electrode adopts the processing of cylindrical graphite material monolithic, and this type of furnace is suitable for the continuous graphitizing furnace of small-sized production capacity.
Upper end electrode 1 in the utility model product, lower end electrode 9 is made up of electro-conductive material, preferably adopt graphite material, be preferably designed as cylindric, material distribution rings adopts high-carbon or graphite material preparation, insulcrete adopts resistant to elevated temperatures insulating material to prepare, preferably adopt pottery, and upper end electrode graphite protective sleeve 11, lower end electrode graphite protective sleeve 12 adopts the preparation of high purity graphite material, such processing and manufacturing furnace construction is simple, material source enriches, can be high temperature resistant, use easy and simple to handle, material can realize serialization heating and input and output material, other relevant device supporting, continuous prodution can be realized, whole system can carry out closure, prevent material dust from spreading and being mixed into external impurity, the heat that material discharges in process of cooling also can heat recovery.
The copper product preparation that in the utility model product, upper end electrode bus fishplate bar and lower end electrode bus fishplate bar all adopt conduction good, all be designed to the ring texture be combined into by two arc strips, they just can be sleeved on the circumference of upper end electrode and lower end electrode respectively closely and fix like this, realize electrical connection simultaneously.
The working process of the utility model product is as follows:
1, raw material input
Raw material (carbon element fine particle materials, such as coke powder etc.) sends into material distribution rings 7 through material feeding mouth 8.
2, heated graphite
When raw material flows to material resistive heating room 13 after being uniformly distributed, powerful electric current is passed between lower end electrode 9 and upper end electrode 1, the resistance of raw material itself progressively generates heat rapidly from top to down under strong current effect, until the high temperature of about 3000 degree required for greying.
3, high temperature discharge
Raw material reaches a high temperature when material resistive heating room 13, realizes petrochemical industry and changes, then flow out from greying material outlet 17, and enter the waste heat recovery tank cooling in downstream, the heat simultaneously discharged, to raw material preheating, improves the initial temperature of charging, reduces power consumption.Continue heating also can to the cooling fluid of stove simultaneously, reach after preset temperature to miscellaneous equipment as thermal source.
4, electrode heat radiation heat conduction
With thermal oil as cooling fluid, carry out systemic circulation cooling, prevent electrode overheating from surface is oxidized; Also prevent bus overheated, electric energy loss during impact energising.By heat conduction oil circulating pump, external cold oil is sent into cooling room 2 in upper end electrode through cooling fluid entrance 3, enter the outer cooling room 6 of upper end electrode again, a part of heat is taken away from upper end electrode 1 inside, upper end electrode bus cooling room 4 is entered out, then enter lower end electrode bus cooling room 15, then enter lower end electrode cooling room 16, finally flow out from cooling liquid outlet 18, heating is continued, to miscellaneous equipment as thermal source in the waste heat recovery pipe in downstream.
5, electrode protection material
Be difficult to prevent electrode erosion change; take to use the high purity graphite of better quality as electrode protecting layer; upper end electrode graphite protective sleeve 11 and lower end electrode graphite protective sleeve 12 are the conductor that electrode contacts with material, also can shield to electrode in stove working process.When high-temperature zone contacts with material, graphite can slowly distil more than 2800 degree, so high purity graphite protective sleeve in use can slowly scaling loss, needs periodic replacement.
6, protective gas
Under the high temperature conditions; carbon and oxygen can react; in order to prevent electrode and protective layer to be oxidized, need the atmosphere forming anaerobic in stove, therefore; while raw material input; introduce argon gas to material feeding mouth 8, shield in the entire system, to prevent in stove of the present utility model electrode graphite material and processed product at oxidation at high temperatures; and argon gas is not because at high temperature reacting with carbon, obnoxious flavour can not be produced.If selection nitrogen, at high temperature will react with carbon and generate carbonitride toxic gas, people is worked the mischief.
7, gas purification
In order to obtain purer graphite products, can when material inputs, introduce the gas of purification to material feeding mouth 8 simultaneously, react under the high temperature conditions with the metallic impurity compound in material, during Flow of Goods and Materials, temperature is slowly heating up, in suitable temperature range, the gas of metallic impurity compound and purification reacts and vaporizes, and reaches the object of removing impurity.
The beneficial effect that the utility model product can bring is:
1, realize energy-conservation
In heat-processed, electric current directly by coke powder resistance heating, adds heat rejection electric energy without any need for additional resistance material and plumbago crucible.Process one ton of product needed power consumption 3700kwh in theory, calculate, use equipment and process of the present utility model by thermo-efficiency 50%, one ton of product power consumption, at about 8000kwh, compared with present power consumption 160000kwh/t, saves the energy over half.
2, environmental protection is realized
Whole heat-processed is run under airtight environment, and the waste gas of generation, by downstream processing, does not have waste sludge discharge, substantially improves the graphited Working environment of carbon granule fine powder.
3, enhance productivity
A set of medium size installations of this product, produce greying negative electrode powder per year and can reach more than 10000 tons/year, and the output of existing a set of acheson furnace only has about 4000 tons/year, this products production efficiency is high as seen, can improve more than production capacity twice.
4, whole-course automation operation is realized
Whole process, without the need to any manual operation, at utmost reduces the labour intensity of workman.
5, use manpower and material resources sparingly
Whole system operation only needs two or three people just can complete, and fall by Fourth Shift three, total number of persons is also about 15 people, and existing greying workshop, need 50-100 people to work, cost of labor more than 70% can be saved.Whole production process, without the need to any other the complementary raw material such as plumbago crucible, resistance material, insulation material, saves production cost further.
6, land use area is saved
The medium size installations floor space of this product only needs 400 square meter, compared with existing system, and Economization on land more than 90%.
7, waste heat is fully recycled
The heat of product cooling release in production process, can reclaim for raw material preheating and heating thermal oil, the thermal oil of heating may be used for the thermal source of other production equipments, and existing stove impossible realize heat recovery.
8, maintenance cost is low, easy to maintenance.
The consumable accessory of whole system is exactly the high purity graphite protective sleeve of two end electrodes, and this is the ablation rapid wear accessory of whole system, as long as periodic replacement, just can normally run by holding device.
9, construction investment is saved in a large number
Present acheson furnace whole system investment needs more than one hundred million unit, and uses the system Construction of this product to make an investment in just can to build up within 1,000 ten thousand the greying production system of more than a set of ten thousand tons, investment reduction nearly ten times.
10, significantly electricity consumption total power is reduced
The whole power supply system of existing present acheson furnace, dynamic then need the transformer of 1.5 ten thousand kilovolt-amperes, use the system of this product, due to material bed only several centimetres, stove internal resistance is very low, as long as secondary service voltage more than 20 volt is just much of that, can be equipped with installed capacity according to production capacity, the power-supply unit generally at 500-5000 kilovolt-ampere is just enough.
The utility model product solves the significant problem such as energy-saving and environmental protection, continuous seepage, automated operation, reduction production cost in long-standing problem lithium cell carbon negative pole material graphitization process, it is the technical progress of the revolution of lithium cell Carbon anode powder graphitization process, the production cost reducing new forms of energy lithium cell is had great significance, to play an important role for promoting human development new forms of energy lithium cell, active influence will be produced to the industry of whole lithium cell carbon negative pole material.
The utility model product is not only applicable to lithium cell carbon negative pole material graphitization process, high-temperature gas purification and graphited suitability for industrialized production is needed to be suitable for too to other carbon element particulate material, and carry out high-temperature gas purification and graphitization technique, the best results of the utility model product for the carbon element particulate material that particle diameter is less than 1mm.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a carbon element particulate material high temperature continuous gas is purified and greying electrothermal oven, it is characterized in that, it comprises upper end electrode (1) and is positioned at the lower end electrode (9) of described upper end electrode (1) below, the inside of described upper end electrode (1) be provided with match with described upper end electrode for fill cooling fluid upper end electrode in cooling room (2), in described upper end electrode, cooling room (2) is provided with the cooling fluid entrance (3) be in communication with the outside, described upper end electrode (1) is made up of interconnective upper end electrode bus incoming end and the upper end electrode insertion end that conducts electricity, the described upper end electrode insertion end that conducts electricity is positioned at the bottom of described upper end electrode bus incoming end, the conduct electricity cross-sectional area of insertion end of described upper end electrode reduces from top to bottom gradually,
Described lower end electrode (9) is provided with through hole material being transported to bottom from its top, described through hole comprises through hole and greying material outlet (17) in the lower end electrode that interconnects, described greying material outlet (17) is positioned at the below of through hole in described lower end electrode, in described lower end electrode, the cross-sectional area of through hole reduces from top to bottom gradually, and mutually mate with the described upper end electrode insertion end that conducts electricity, the cross-sectional area of described greying material outlet (17) is equal to or less than the cross-sectional area of via bottoms in described lower end electrode, the inside of described lower end electrode (9) is provided with the lower end electrode cooling room (16) for filling cooling fluid, described lower end electrode cooling room (16) is provided with and is communicated with extraneous cooling liquid outlet (18), in described upper end electrode, cooling room (2) is connected with described lower end electrode cooling room (16),
The top of described lower end electrode (9) is provided with the insulcrete (10) matched with it, described insulcrete (10) is fitted with the tight of described lower end electrode (9), the top of described insulcrete (10) is provided with the material distribution rings (7) matched with described upper end electrode (1), the bottom of described material distribution rings (7) and the tight of described insulcrete (10) are fitted, the inside of described material distribution rings (7) is provided with the material distribution cavity of ring-type, the outer circumference face of described material distribution rings (7) is provided with the material feeding mouth (8) be connected with described material distribution cavity, the inside circumference face of described material distribution rings (7) is evenly provided with material that multiple and described material distribution cavity is connected to distribute discharge port,
Described material distribution rings (7) is sleeved on the bottom of described upper end electrode bus incoming end, the material discharging area of annulus shape is formed between the outer wall of its inside circumference face and described upper end electrode (1), the bottom surrounding of described upper end electrode bus incoming end is provided with the support portion that it can be made to be placed on described material distribution rings (7) top, described support portion is fixedly connected with described upper end electrode bus incoming end, fit with the tight of described material distribution rings (7) bottom it, the described upper end electrode insertion end that conducts electricity to be inserted in described lower end electrode in through hole, in its outer wall and described lower end electrode through hole inwall between form the material resistive heating room (13) of annulus shape, described material resistive heating room (13) is connected with described material discharging area,
The bottom of the top of described upper end electrode (1), described lower end electrode (9) is equipped with flange, be provided with the union lever matched with them between two described flanges, described upper end electrode (1), described material distribution rings (7), described insulcrete (10) and described lower end electrode (9) are fixed together formation composite entity by described flange and described union lever.
2. carbon element particulate material high temperature continuous gas according to claim 1 is purified and greying electrothermal oven, it is characterized in that, described upper end electrode (1) is provided with the upper end electrode bus fishplate bar (5) be connected electrically, described lower end electrode (9) is provided with the lower end electrode bus fishplate bar (14) be connected electrically.
3. carbon element particulate material high temperature continuous gas according to claim 2 is purified and greying electrothermal oven, it is characterized in that, the inside of described upper end electrode bus fishplate bar (5) is provided with upper end electrode bus cooling room (4), the inside of described lower end electrode bus fishplate bar (14) is provided with lower end electrode bus cooling room (15), in described upper end electrode, cooling room (2) is connected with described upper end electrode bus cooling room (4), described upper end electrode bus cooling room (4) is connected with described lower end electrode bus cooling room (15), described lower end electrode bus cooling room (15) is connected with described lower end electrode cooling room (16).
4. carbon element particulate material high temperature continuous gas according to claim 1 is purified and greying electrothermal oven, it is characterized in that, described upper end electrode bus incoming end is made up of upper end electrode body and the upper end electrode salient that is arranged on mid-way bottom described upper end electrode body, described upper end electrode body is fixedly connected with upper end electrode salient, the cross-sectional area of described upper end electrode salient is less than the cross-sectional area of through hole in described lower end electrode, the conduct electricity top of insertion end of described upper end electrode is mutually mated with the bottom of described upper end electrode salient and is fixedly connected with, described material distribution rings (7) is positioned between described upper end electrode body and described insulcrete (10), and be sleeved on outside described upper end electrode salient, the material discharging area of annulus shape is formed between the inside circumference face of described material distribution rings (7) and the outer wall of described upper end electrode salient, described upper end electrode body is placed on the top of described material distribution rings (7), and fit with the tight of described material distribution rings (7) bottom it.
5. carbon element particulate material high temperature continuous gas according to claim 4 is purified and greying electrothermal oven, it is characterized in that, the outer cooling room (6) of the upper end electrode matched with it is provided with in described upper end electrode body, the outer cooling room (6) of described upper end electrode in the form of a ring, and is centered around the surrounding of cooling room in described upper end electrode.
6. carbon element particulate material high temperature continuous gas according to claim 1 is purified and greying electrothermal oven, it is characterized in that, the conduct electricity top of insertion end of bottom and the described upper end electrode of described upper end electrode bus incoming end is mutually mated and is fixedly connected with, described support portion is the outer cooling jacket of upper end electrode being sleeved on described upper end electrode bus incoming end bottom, and the outer cooling jacket of described upper end electrode in the form of a ring.
7. carbon element particulate material high temperature continuous gas according to claim 6 is purified and greying electrothermal oven, it is characterized in that, the inside of the outer cooling jacket of described upper end electrode is provided with the outer cooling room (6) of upper end electrode for filling cooling fluid, in described upper end electrode, cooling room (2) is connected with the outer cooling room (6) of described upper end electrode, and the outer cooling room (6) of described upper end electrode is connected with described lower end electrode cooling room (16).
8. carbon element particulate material high temperature continuous gas according to claim 1 is purified and greying electrothermal oven, it is characterized in that, described cooling fluid entrance (3) place is provided with the coolant inlet pipe stretching to cooling room (2) bottom in described upper end electrode.
9. carbon element particulate material high temperature continuous gas according to claim 1 is purified and greying electrothermal oven; it is characterized in that; the conduct electricity outer wall surface of insertion end of described upper end electrode is provided with the dismountable upper end electrode graphite protective sleeve (11) of one deck, and in described lower end electrode, the inner wall surface of through hole is provided with the dismountable lower end electrode graphite protective sleeve (12) of one deck.
10. the carbon element particulate material high temperature continuous gas according to any one of claim 1-9 is purified and greying electrothermal oven, it is characterized in that, described material distribution rings (7) comprises highly identical inner ring and outer shroud, the inside circumference face of described outer shroud is provided with annular recesses, the outer circumference face of described inner ring and the inside circumference face of described outer shroud fit tightly, described material distribution cavity is the space formed between the outer circumference face of described inner ring and described annular recesses, described material feeding mouth (8) is positioned on described outer shroud, all described material distribution discharge ports are evenly distributed on the periphery of described inner ring, described material distribution cavity near one end of described material feeding mouth (8) to away from one end of described material feeding mouth (8), sectional area reduces gradually.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797941.2U CN205023860U (en) | 2015-10-14 | 2015-10-14 | Continuous gas purification of carbon element granular material high temperature and graphitization electric heater |
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| CN201520797941.2U CN205023860U (en) | 2015-10-14 | 2015-10-14 | Continuous gas purification of carbon element granular material high temperature and graphitization electric heater |
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| CN205023860U true CN205023860U (en) | 2016-02-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197919A (en) * | 2015-10-14 | 2015-12-30 | 赵金文 | Electric heating furnace for high-temperature continuous gas purification and graphitization of carbon particle materials |
| CN110054183A (en) * | 2019-02-21 | 2019-07-26 | 辽宁万鑫科技材料有限公司 | The graphitizing furnace of high-efficient energy-saving environment friendly continuous production lithium cell cathode material |
-
2015
- 2015-10-14 CN CN201520797941.2U patent/CN205023860U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197919A (en) * | 2015-10-14 | 2015-12-30 | 赵金文 | Electric heating furnace for high-temperature continuous gas purification and graphitization of carbon particle materials |
| CN105197919B (en) * | 2015-10-14 | 2017-10-24 | 赵金文 | Carbon granular materials high temperature continuous gas is purified and graphitization electrothermal furnace |
| CN110054183A (en) * | 2019-02-21 | 2019-07-26 | 辽宁万鑫科技材料有限公司 | The graphitizing furnace of high-efficient energy-saving environment friendly continuous production lithium cell cathode material |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20171024 |