CN2714538Y - Continuous industrial natural graphite purifying device - Google Patents
Continuous industrial natural graphite purifying device Download PDFInfo
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- CN2714538Y CN2714538Y CN 200420035742 CN200420035742U CN2714538Y CN 2714538 Y CN2714538 Y CN 2714538Y CN 200420035742 CN200420035742 CN 200420035742 CN 200420035742 U CN200420035742 U CN 200420035742U CN 2714538 Y CN2714538 Y CN 2714538Y
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Abstract
The utility model provides a continuous industrial natural graphite purifying device belonging to the field of non-metal purification. The structure mainly comprises a raw material inlet hopper (1), an outlet hopper (2) and a furnace body which is a totally enclosed long barrel. The barrel is orderly divided into the feed-in section (3), the low temperature heating section (4), the moderate temperature heating section (5), the high temperature heating section (6) and the cooling discharge section (7) from one end of the barrel to the other end. The barrel is connected with an inert gas circulating device (8) and a vacuum extractor (9). The utility model can continuously purify the natural graphite in the condition of high-temperature over 2700 DEG C. With rapid and adjustable heating-up time, the device can agilely and accurately adjust the temperature of the furnace cavity, therefore the labor productivity is high, and the effect of removing impurities from graphite is excellent without environment contamination. The utility model can produce the crystallite graphite dust with high purity of 99 percent, 99. 9 percent, and 99. 99 percent.
Description
Technical field
The utility model relates to a kind of specific equipment of natural graphite high temperature purification, and particularly a kind of continuous industrial natural graphite equipment for purifying belongs to nonmetal purifying field.
Background technology
In recent years, because both at home and abroad to the increase of high purity graphite demand, graphite is purified and is subjected to many experts and scholars' attention again, drops into experimental study one after another.When the natural graphite carbon content is 85-90%, be called medium-carbon graphite, its impurity is metallic iron, and aluminium and nonmetal silicon are brought up to 98-99% and even 99.9% with the carbon content of medium-carbon graphite, promptly are referred to as high-carbon graphite or high purity graphite.Graphite is purified, and forefathers had done a lot of tests, and the condition that different times is different obtains different results.According to investigating of contriver, as far back as the end of the eighties, just the someone utilizes the chemical process purification processing, adopts strong acid (HF) or highly basic (NaOH)+hydrochloric acid (HCl) and the impurity of graphite to react, and generates soluble substance, through washing impurity is removed then.This method, so-called wet chemical is purified.Take the graphite grade after this method is purified also can reach 99% preferably the time, but during mass production, because raw ore foreign matter content and composition are not quite similar, the ratio of acid, alkali is difficult to grasp, so the discreteness of the back graphite grade of purifying is very big, on average get off to reach 94%-96%, the consumption of this method acid, alkali is big, and production cost height, per ton cost reach about 2700 yuan-3000 yuan, under market condition at that time, can't sell at all.In today, the problem that this method is more serious be can working the mischief property environmental pollution, difficulty of governance is very big, also will consume great amount of water resources simultaneously, does not obviously meet the requirement of Sustainable development.
Domestic also once the someone attempt with the chemical drying method natural graphite of purifying, as Chinese invention patent ZL94105051.3 " high-temp chlorination refining process for natural graphite and used Reaktionsofen " proposed, it is reported, northeast unit adopts this technology, pass through hot graphite with chlorine, impurity is become have the vapor compound of pressure, thereby be removed.Poisoning because of causing to leak in the back, is forced to stop production, and stove also is removed.It is introduced that the graphite purity after this method purification can reach 99.6%, but the chlorine consumption is big, and environment and people are caused significant threat.At present, have only certain carbon element factory when making the superpower electrode, artificial graphite electrode is purified to carbon content 99.99% when above, still adopt the method for a small amount of chlorine of feeding under several thousand degree high temperature.
According to investigating, the contriver thinks the natural graphite of some areas of China owing to its origin cause of formation is that the pyromagma in the earth's core is invaded the mineral deposit that the coal seam forms, thus graphite crystal minimum≤1 μ m, claim micro crystal graphite.The impurity of this graphite separates very difficult with chemical process.Realize the industrial mass purification of this graphite, have only the pyroprocess of employing to realize.This also is many universities and colleges, the experts and scholars' of scientific research institutions a common view.They also do not carry out the research of this respect in view of the restriction of scientific research condition, equipment, funds.
The ultimate principle of micro crystal graphite high temperature purification method is to utilize the resistant to elevated temperatures characteristics of graphite energy, and graphite is placed in the special High Temperature Furnaces Heating Apparatus, and secluding air is heated to certain temperature, makes the impurity in the natural graphite fuse, vaporize and be evaporated away.Can know that to the analysis and the experiment of graphite raw ore this temperature will reach more than 2700 ℃ from us.
Realize the ultrahigh-temperature continuous heat treatment purification graphite more than 2700 ℃, its gordian technique is manufacturing and designing of serialization high temperature purification stove, conscientiously solve a series of technical barriers such as refractory materials, lagging material, high-temperature insulation, high-temperature oxidation resistant, the automatic control of system.Also to consider the quantity-produced production cost simultaneously.
Summary of the invention
The purpose of this utility model is to be provided under the hot conditions more than 2700 ℃, continuously a kind of continuous industrial natural graphite equipment for purifying that uses.This equipment heating-up time is fast and adjustable, also can adjust the temperature in the burner hearth quick, exactly, and labour productivity is higher, and effective except that the impurity of graphite, and quality product is higher.
The purpose of this utility model is to realize by such structure, a kind of continuous industrial natural graphite equipment for purifying, comprise storehouse, feed(raw material)inlet, body of heater and outlet storehouse, it is characterized in that: body of heater is a totally enclosed long cylindrical shell, is divided into intake zone, low-temperature heat district, middle temperature heating zone and heat district in this long cylindrical shell successively from an end to the other end, material discharge region cools; In order to make the impurity in the micro crystal graphite under the condition of secluding air, fuse, vaporize and be evaporated away, on the cylindrical shell of above-mentioned sealing, be connected with rare gas element circulation device and vacuum extractor, described intake zone is the cylindrical shell that one section one end has end socket, the perisporium of cylindrical shell is a three-decker of being made up of housing skin, high-temperature insulation filled insulation interlayer, high-purity graphite carbon inner tube layer, and the side top of cylindrical shell is provided with storehouse, totally enclosed feed(raw material)inlet.In order to realize the purpose of serialization high temperature production purifying graphite, be provided with a spiral propeller in the space of high-purity graphite carbon pipe of the present utility model, the main shaft of spiral propeller stretches out from the center of intake zone end socket with drive motor means outside the body of heater and links to each other; In order to produce the hot conditions more than 2700 ℃, the utility model adopts Frequency Induction Heating, the way that subregion heats up piecemeal, described low, in, the cylindrical shell that the heat district is respectively more than one section or one section is composed in series successively, come top low-temperature heat district and connect intake zone, one section last heat district connects the material discharge region that cools, every section heating zone is by the housing skin, high-temperature insulation filled insulation interlayer, high purity graphite carbon tube furnace thorax internal layer is formed, be laid with the heating in medium frequency coil around the high purity graphite carbon tube furnace thorax, the heating in medium frequency coil is connected on the intermediate frequency power supply; Produce the discharge contaminate environment in order to overcome, the utility model also is respectively equipped with two-way by-product plant on the outer field corresponding position of housing, basic, normal, high temperature heating zone, these two-way by-product plants are connected to form by inert gas cooler, pipeline, switching valve; The described material discharge region that cools also all is to be composed in series successively with upper shell by three sections, every section cooling area or cooling material discharge region are formed by double hull, internal layer high-purity graphite carbon pipe, in order to strengthen cooling performance, be full of water coolant in the interlayer of double hull, the interlayer water coolant of all double hulls interconnects, and form cycle cooling system with water pump, air-cooled radiator that body of heater is outer, final stage cooling material discharge region is connected with a totally-enclosed high purity graphite outlet storehouse.
Above-mentioned spiral propeller, intermediate frequency power supply temperature regulating device, rare gas element circulation device, vacuum extractor, two-way by-product plant, heat-removal system all are connected with computer controlling center.
The utility model has the advantages that: raw material operation of the present utility model is designed to the heating mode that closed high-temperature spiral advances, intermediate frequency coil adds the carbon pipe, be added with the high-purity graphite carbon pipe in the centre of heating in medium frequency coil and do burner hearth, overcome the uneven while of heating in medium frequency perviousness, make the graphite carbon pipe under the effect of middle frequency electromagnetic field, form very strong short-circuit current, the rapid heating up of graphite carbon pipe reaches the requirement of setting to keep fire box temperature.Only need adjusting voltage of intermediate frequency value, just can adjust the temperature in the burner hearth quick, exactly, it is fast so both to have guaranteed that temperature rose, and makes graphite raw material each point temperature evenly adjustable again, thereby can realize making in the raw material progradation the rapid evaporation of impurity to drain.Realized the function that the heating-up time is short and serialization is produced, solved the technical problem that continuous industrial is purified in batches, the utility model level of automation is higher, belongs to domestic initiation.The utility model cools back debit's face at impurity and has used two-way by-product plant, has overcome to produce the pollution of discharge to environment, has novelty.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional structure synoptic diagram of Fig. 1;
Fig. 3 is the B-B sectional structure synoptic diagram of Fig. 1;
Fig. 4 is the C-C sectional structure synoptic diagram of Fig. 1.
In the accompanying drawing: storehouse, 1 feed(raw material)inlet; 2 outlet storehouses; 3 intake zones; 3.1 housing; 3.2 high-temperature insulation filled insulation; 3.3 high-purity graphite carbon pipe; 3.4 spiral propeller; 4 low-temperature heat districts; 4.1 housing; 4.2 high-temperature insulation filled insulation; 4.3 high purity graphite carbon tube furnace thorax; 4.4 heating in medium frequency coil; Warm heating zone in 5; 6 heat districts; 7 material discharge regions that cool; 7.1 double hull; 7.2 high-purity graphite carbon pipe; 7.3 water coolant; 8 rare gas element circulation devices; 9 vacuum extractors; 10 drive motor means; On 11 intermediate frequency power supplies; 12,13,14 two-way by-product plants; 12.1,13.1,14.1 inert gas coolers; 12.2,13.2,14.2 switching valves; 15 water pumps; 16 air-cooled radiators; 17 intermediate frequency power supply temperature regulating devices; 18 Graphite Powder 99s.
Embodiment
Below be with reference to the accompanying drawings to some specific descriptions of the utility model embodiment, but must know that this embodiment can not be used for constituting restriction of the present utility model.
Accompanying drawing 1 has been described 24 tons of continuous industrial natural graphites of a kind of daily output equipment for purifying, it comprises that storehouse, feed(raw material)inlet 1, body of heater and outlet storehouse 2, body of heater are a totally enclosed long cylinder cylindrical shell, from an end of cylindrical shell begin to the other end be divided into successively intake zone 3, low-temperature heat district 4, warm heating zone 5 and heat district 6, material discharge region 7 cools; Be connected with rare gas element circulation device 8 and vacuum extractor 9 on the cylindrical shell, described intake zone 3 is the cylindrical shell that one section one end has end socket, from accompanying drawing 2 as can be seen, the perisporium of cylindrical shell is a three-decker of being made up of housing skin 3.1, high-temperature insulation filled insulation interlayer 3.2, high-purity graphite carbon inner tube layer 3.3, the side top of intake zone cylindrical shell is provided with storehouse, totally enclosed feed(raw material)inlet 1, a spiral propeller 3.4 is arranged in the space of high-purity graphite carbon pipe 3.1, and the main shaft of spiral propeller stretches out from the center of intake zone end socket with drive motor means 10 outside the body of heater and links to each other; Described basic, normal, high temperature heating zone 4,5,6 each warm area have two sections cylindrical shells, these all cylindrical shell years are composed in series successively, come top low-temperature heat district 4 and connect intake zone 3, one section last heat district 6 connects the material discharge region 7 that cools, what accompanying drawing 3 was represented is that every section heating zone is formed by housing skin 4.1, high-temperature insulation filled insulation interlayer 4.2, high purity graphite carbon tube furnace thorax internal layer 4.3, be laid with heating in medium frequency coil 4.4 around the high purity graphite carbon tube furnace thorax, the heating in medium frequency coil is connected on the intermediate frequency power supply 11; Also be respectively equipped with the two-way by-product plant 12,13,14 of three covers on the outer field corresponding position of housing, basic, normal, high temperature heating zone, these two-way by-product plants are connected to form by nitrogen cooler 12.1,13.1,14.1, pipeline, switching valve 12.2,13.2,14.2; The described material discharge region 7 that cools also all is to be composed in series successively by three sections cylindrical shells, what accompanying drawing 4 was described is that every section cooling area or cooling material discharge region are formed by double hull 7.1, internal layer high-purity graphite carbon pipe 7.2, be full of water coolant 7.3 in the interlayer of double hull, the interlayer water coolant of all double hulls interconnects, and form cycle cooling system with water pump 15, air-cooled radiator 16 that body of heater is outer, final stage cooling material discharge region is connected with a totally-enclosed high purity graphite outlet storehouse 2.
The performance index of present embodiment design;
(1) by attemperation, present embodiment can be produced high-purity microlite ink powder of 99%, 99.9%, 99.99%.
(2) the present embodiment industrial scale is produced the 5400-7200 ton per year for the high-purity microlite ink powder 18-24 ton of daily output.(6000 tons/year of customization indexs)
(3) production cost 99% of present embodiment be 8000 yuan/ton 99.9% be 15000 yuan/ton 99.99% be 28000 yuan/ton
(4) present embodiment needs with recirculated water about 15 tons, about 3 tons of daily allowance.Need electric power 1000KVA, require electrical power stabilization reliable.
(5) present embodiment does not have atmospheric emission, does not have the subsurface disposal thing yet.The impurity that drops out in the graphite is recovered as byproduct by the double loop, and environment is not polluted.
Claims (2)
1, a kind of continuous industrial natural graphite equipment for purifying, comprise storehouse, feed(raw material)inlet (1), body of heater and outlet storehouse (2), it is characterized in that: body of heater is a totally enclosed long cylindrical shell, from an end of cylindrical shell begin to the other end be divided into successively intake zone (3), low-temperature heat district (4), warm heating zone (5) and heat district (6), the material discharge region that cools (7); Be connected with inert protective gas circulation device (8) and vacuum extractor (9) on the cylindrical shell, described intake zone (3) is the cylindrical shell that one section one end has end socket, the perisporium of cylindrical shell be one by housing skin (3.1), high-temperature insulation filled insulation interlayer (3.2), the three-decker that high-purity graphite carbon inner tube layer (3.3) is formed, the side top of intake zone cylindrical shell is provided with storehouse, totally enclosed feed(raw material)inlet (1), a spiral propeller (3.4) is arranged in the space of high-purity graphite carbon pipe (3.1), and the main shaft of spiral propeller stretches out from the center of intake zone end socket with drive motor means (10) outside the body of heater and links to each other; The cylindrical shell that described basic, normal, high temperature heating zone (4,5,6) is respectively more than one section or one section is composed in series successively, come top low-temperature heat district (4) and connect intake zone (3), last one section heat district (6) connects the material discharge region that cools (7), every section heating zone is formed by housing skin (4.1), high-temperature insulation filled insulation interlayer (4.2), high purity graphite carbon tube furnace thorax internal layer (4.3), be laid with heating in medium frequency coil (4.4) around the high purity graphite carbon tube furnace thorax, the heating in medium frequency coil is connected on the intermediate frequency power supply (11); Also be respectively equipped with two-way by-product plant (12,13,14) on the outer field corresponding position of housing, basic, normal, high temperature heating zone, these two-way by-product plants are connected to form by nitrogen cooler (12.1,13.1,14.1), pipeline, switching valve (12.2,13.2,14.2); The described material discharge region that cools (7) also all is to be composed in series successively with upper shell by three sections, every section cooling area or cooling material discharge region are formed by double hull (7.1), internal layer high-purity graphite carbon pipe (7.2), be full of water coolant (7.3) in the interlayer of double hull, the interlayer water coolant of all double hulls interconnects, and form cycle cooling system with water pump (15), air-cooled radiator (16) that body of heater is outer, final stage cooling material discharge region is connected with a totally-enclosed high purity graphite outlet storehouse (2).
2, a kind of continuous industrial natural graphite equipment for purifying according to claim 1 is characterized in that: described spiral propeller (3.4), intermediate frequency power supply temperature regulating device (17), shielding gas circulation device (8), vacuum extractor (9), two-way by-product plant (12,13,14), heat-removal system all are connected with computer controlling center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035742 CN2714538Y (en) | 2004-04-30 | 2004-04-30 | Continuous industrial natural graphite purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035742 CN2714538Y (en) | 2004-04-30 | 2004-04-30 | Continuous industrial natural graphite purifying device |
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| Publication Number | Publication Date |
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| CN2714538Y true CN2714538Y (en) | 2005-08-03 |
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| CN 200420035742 Expired - Fee Related CN2714538Y (en) | 2004-04-30 | 2004-04-30 | Continuous industrial natural graphite purifying device |
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| CN (1) | CN2714538Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126721A (en) * | 2011-04-27 | 2011-07-20 | 深圳市贝特瑞新能源材料股份有限公司 | Purification and graphitization method of graphite material |
| CN102424380A (en) * | 2011-07-19 | 2012-04-25 | 大同新成新材料股份有限公司 | Filler dust eliminating apparatus used in baking tunnel during baking process of graphite manufacturing process |
| CN103032675A (en) * | 2012-12-06 | 2013-04-10 | 中钢集团新型材料（浙江）有限公司 | Automatic gas conveying system for graphite purification |
| CN103172060A (en) * | 2013-04-15 | 2013-06-26 | 文中华 | Continuous industrialized natural graphite purification equipment |
| CN104291322A (en) * | 2014-11-20 | 2015-01-21 | 青岛金墨自动化科技有限公司 | Graphene atmosphere protection continuous reduction furnace |
| CN108862269A (en) * | 2018-09-18 | 2018-11-23 | 青岛久正源机械有限公司 | A kind of carbon nanotube graphite dry purification equipment and its process |
| CN110745821A (en) * | 2019-12-11 | 2020-02-04 | 凯盛石墨碳材料有限公司 | Automatic feeding and discharging device for graphite purification furnace |
| CN110885081A (en) * | 2018-09-07 | 2020-03-17 | 石门楚晶新材料有限责任公司 | Graphite carbonization method based on high-temperature gasification impurity removal |
-
2004
- 2004-04-30 CN CN 200420035742 patent/CN2714538Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126721A (en) * | 2011-04-27 | 2011-07-20 | 深圳市贝特瑞新能源材料股份有限公司 | Purification and graphitization method of graphite material |
| CN102424380A (en) * | 2011-07-19 | 2012-04-25 | 大同新成新材料股份有限公司 | Filler dust eliminating apparatus used in baking tunnel during baking process of graphite manufacturing process |
| CN102424380B (en) * | 2011-07-19 | 2013-03-13 | 大同新成新材料股份有限公司 | Filler dust eliminating apparatus used in baking tunnel during baking process of graphite manufacturing process |
| CN103032675A (en) * | 2012-12-06 | 2013-04-10 | 中钢集团新型材料（浙江）有限公司 | Automatic gas conveying system for graphite purification |
| CN103032675B (en) * | 2012-12-06 | 2014-10-29 | 中钢集团新型材料（浙江）有限公司 | Automatic gas conveying system for graphite purification |
| CN103172060A (en) * | 2013-04-15 | 2013-06-26 | 文中华 | Continuous industrialized natural graphite purification equipment |
| CN104291322A (en) * | 2014-11-20 | 2015-01-21 | 青岛金墨自动化科技有限公司 | Graphene atmosphere protection continuous reduction furnace |
| CN110885081A (en) * | 2018-09-07 | 2020-03-17 | 石门楚晶新材料有限责任公司 | Graphite carbonization method based on high-temperature gasification impurity removal |
| CN108862269A (en) * | 2018-09-18 | 2018-11-23 | 青岛久正源机械有限公司 | A kind of carbon nanotube graphite dry purification equipment and its process |
| CN110745821A (en) * | 2019-12-11 | 2020-02-04 | 凯盛石墨碳材料有限公司 | Automatic feeding and discharging device for graphite purification furnace |
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Effective date of registration: 20090508 Address after: The National Road in Hunan province Chenzhou City Beihu District No. 34 Chendian International Hospital, zip code: 423000 Patentee after: Wen Zhonghua Address before: No. 136-138 Bayi Road, Hunan, Chenzhou: 423000 Patentee before: Chenzhou Jinggong Pot Lead Co., Ltd. |
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Effective date of registration: 20090703 Address after: The National Road in Hunan province Chenzhou City Beihu District No. 34 Chendian International Hospital, zip code: 423000 Patentee after: Chenzhou Jinggong Pot Lead Co., Ltd. Address before: The National Road in Hunan province Chenzhou City Beihu District No. 34 Chendian International Hospital, zip code: 423000 Patentee before: Wen Zhonghua |
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