CN105674743A - Electrical heating roasting furnace for carbon-graphite crucible - Google Patents
Electrical heating roasting furnace for carbon-graphite crucible Download PDFInfo
- Publication number
- CN105674743A CN105674743A CN201610204450.1A CN201610204450A CN105674743A CN 105674743 A CN105674743 A CN 105674743A CN 201610204450 A CN201610204450 A CN 201610204450A CN 105674743 A CN105674743 A CN 105674743A
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- Prior art keywords
- layer
- heat
- electrical heating
- roasting
- carbon
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Abstract
The invention relates to an electrical heating roasting furnace for a carbon-graphite crucible. The electrical heating roasting furnace for the carbon-graphite crucible comprises a steel furnace body, wherein a heat-isolation brick layer is arranged at the bottom in the furnace body; a heat-insulation fibre plate layer is fixedly arranged at the top of the furnace body; a side heat-isolation brick layer is arranged at each of the two sides of the heat-isolation brick layer; a space between the heat-isolation brick layer at each of the two sides and the furnace body is filled with a heat-insulation cotton material layer; a high-alumina brick heat-isolation layer is further arranged above the heat-isolation brick layer; the high-alumina brick heat-isolation layer is located between the heat-isolation brick layers at the two sides; a porcelain roller arranged along a length direction of the furnace body is arranged on the high-alumina brick heat-isolation layer; a square porcelain supporting plate is arranged on the porcelain roller; a plurality of roasting boxes arranged along the length direction of the furnace body are arranged on the square porcelain supporting plate; the roasting boxes are sequentially connected through steel rings; and a high-frequency electric heating coil is arranged at the outer side of each roasting box. The electrical heating roasting furnace for the carbon-graphite crucible, which is disclosed by the invention, is capable of effectively reducing production cost, saving investment cost, increasing heat utilization rate, shortening production cycle, reducing environmental protection cost, and improving product quality.
Description
Technical field
The present invention relates to roaster technical field, be specifically related to a kind of carbon-graphite crucible electrical heating roasting oven.
Background technology
Carbon negative pole material is the important production material of lithium ion battery, carbon negative pole material is sent in roaster after needing to be placed on crucible in preparation process and is carried out high-temperature roasting, and there is many defects in the ring-form calcining furnace that traditional carbon-graphite crucible produces, as huge in equipment investment, productivity is low, the gas heating thermal efficiency is low, fume collection intractability is big, produce in big for environment pollution, temperature contrast length big heating cycle etc., cause producing and cost of investment height, the development of the serious industry that hinders.
Summary of the invention
The invention aims to overcome the drawbacks described above existed in prior art, it is provided that a kind of carbon-graphite crucible electrical heating roasting oven.
For solving the problems referred to above, the present invention proposes a kind of carbon-graphite crucible electrical heating roasting oven, steel shell including the hollow that longitudinal section is rectangle, it is characterized in that: described body of heater inner bottom part is provided with heat insulation brick layer, the top of described body of heater is fixedly installed insulation fibre flaggy, the both sides of described heat insulation brick layer are respectively arranged with the heat insulation brick layer of upwardly extending sidepiece, it is filled with heat-preservation cotton material layer between the heat insulation brick layer of sidepiece described in two and body of heater, described heat insulation brick layer is arranged above high-alumina brick thermal insulation layer, described high-alumina brick thermal insulation layer is between the heat insulation brick layer of sidepiece described in two, described high-alumina brick thermal insulation layer is provided with the porcelain roller road arranged along body of heater length direction, the side's of being provided with porcelain plate on described porcelain roller road, described side's porcelain plate is provided with several roasting casees arranged along body of heater length direction, pass sequentially through steel loop between each described roasting case to connect, the arranged outside of described roasting case has the high-frequency electrical heating coil arranged along body of heater length direction.
In technique scheme, the longitudinal section of described high-frequency electrical heating coil is reverse U shape, is provided with diatomite insulating block layer described in described high-frequency electrical heating coil and two between the heat insulation brick layer of sidepiece, insulation fibre flaggy.
In technique scheme, between described diatomite insulating block layer and described high-frequency electrical heating coil, it is provided with silicate fiber cotton material layer.
In technique scheme, described diatomite insulating block layer is arranged at intervals with, towards the side of described roasting case, the bar shaped boss arranged along body of heater length direction.
In technique scheme, the surface configuration of described bar shaped boss has ceramic fibre material layer.
In technique scheme, described diatomite insulating block layer is also arranged at intervals with layer of carbon fiber material towards the side of described roasting case, and each described layer of carbon fiber material is arranged between adjacent described bar shaped boss.
Carbon-graphite crucible electrical heating roasting oven in the present invention, compared with traditional ring-form calcining furnace, cost of investment can be effectively reduced, improve production capacity, solve the shortcoming that in roasting process, the temperature difference is big, it is greatly shortened product heat time heating time, under same production capacity, the volume of body of heater of the present invention, floor space all only have the 25% of tradition ring type stove, heat coil by high-frequency electrical, utilize electric energy directly roasting body to be heated, need not move through other medium heat-transfer, reduce energy consumption; Additionally through the casing of roasting containing amount of heat, in flint road formula kiln, by flue gas stream, heat is guided to pre-hot junction heat to low temperature casing, reclaim the heat of more than 60%, effectively reduce energy consumption; Preventing from producing environment dirt, this roaster can accomplish that flue gas collection entirely processes, it is prevented that produces environmental pollution; Heating coil by the high-frequency electrical of inverted U-shaped layout roasting casing is directly heated, it does not have the temperature difference, can accurately control programming rate, product quality is greatly improved, and saves a large amount of heating-up time simultaneously.
In sum, the carbon-graphite crucible electrical heating roasting oven in the present invention, it is possible to effectively reduce production cost, cost of reducing investment outlay, raising heat utilization efficiency, shortening production cycle, reduction environmental protection cost, raising product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of carbon-graphite crucible electrical heating roasting oven in the present invention;
Wherein:
1, body of heater; 2, heat insulation brick layer; 3, insulation fibre flaggy;
4, the heat insulation brick layer of sidepiece; 5, heat-preservation cotton material layer; 6, high-alumina brick thermal insulation layer;
7, porcelain roller road; 8, side's porcelain plate; 9, roasting case;
10, high-frequency electrical heating coil; 11, diatomite insulating block layer;
12, silicate fiber cotton material layer; 13, bar shaped boss;
14, ceramic fibre material layer; 15, layer of carbon fiber material.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Carbon-graphite crucible electrical heating roasting oven in the present invention, as shown in Figure 1, body of heater 1 including the steel of the hollow that longitudinal section is rectangle, body of heater 1 inner bottom part is provided with heat insulation brick layer 2, the top of body of heater 1 is fixedly installed insulation fibre flaggy 3, the both sides of heat insulation brick layer 2 are respectively arranged with the heat insulation brick layer 4 of upwardly extending sidepiece, it is filled with heat-preservation cotton material layer 5 between the heat insulation brick layer 4 in both sides and body of heater 1, heat insulation brick layer 2 is arranged above high-alumina brick thermal insulation layer 6, high-alumina brick thermal insulation layer 6 is between the heat insulation brick layer 4 in both sides, high-alumina brick thermal insulation layer 6 is provided with the porcelain roller road 7 arranged along body of heater 1 length direction, the side's of being provided with porcelain plate 8 on porcelain roller road 7, side's porcelain plate 8 is provided with the roasting case 9 arranged along body of heater 1 length direction, pass sequentially through steel loop between each roasting case 9 to connect, the arranged outside of roasting case 9 has the high-frequency electrical heating coil 10 arranged along body of heater 1 length direction,
Wherein the longitudinal section of high-frequency electrical heating coil 10 is reverse U shape, high-frequency electrical heating coil 10 and the heat insulation brick layer 4 in both sides, diatomite insulating block layer 11 it is provided with between insulation fibre flaggy 3, it is provided with silicate fiber cotton material layer 12 between diatomite insulating block layer 11 and high-frequency electrical heating coil 10, diatomite insulating block layer 11 is arranged at intervals with, towards the side of roasting case 9, the bar shaped boss 13 arranged along body of heater 1 length direction, the surface configuration of bar shaped boss 13 has ceramic fibre material layer 14, diatomite insulating block layer 11 is also arranged at intervals with layer of carbon fiber material 15 towards the side of roasting case 9, each layer of carbon fiber material 15 is arranged between adjacent bar shaped boss 13.
Carbon-graphite crucible electrical heating roasting oven in the present invention, it it is the square flint road casing that a length 80 to 120 meters is long, the width of inner chamber and be highly 1 to 1.2 meter, one end is import, one end is outlet, body of heater 1 inner bottom part is provided with heat insulation brick layer 2, the top of body of heater 1 is fixedly installed insulation fibre flaggy 3, the both sides of heat insulation brick layer 2 are respectively arranged with the heat insulation brick layer 4 of upwardly extending sidepiece, heat insulation brick layer 2 and the heat insulation brick layer 4 of sidepiece are mullite heat insulating brick and make, it is separately filled with heat-preservation cotton material layer 5 between the heat insulation brick layer 4 in both sides and body of heater 1, heat insulation brick layer 2 is arranged above high-alumina brick thermal insulation layer 6, high-alumina brick thermal insulation layer 6 is between the heat insulation brick layer 4 in both sides, by above-mentioned heat insulation structural, can effectively avoid conduct heat away, improve electricity utilization rate, high-frequency electrical heating coil 10 arranged outside has silicate fiber cotton material layer 12, diatomite insulating block layer 11 is arranged at intervals with, towards the side of roasting case 9, the bar shaped boss 13 arranged along body of heater 1 length direction, the surface configuration of bar shaped boss 13 has ceramic fibre material layer 14, diatomite insulating block layer 11 is also arranged at intervals with layer of carbon fiber material 15 towards the side of roasting case 9, each layer of carbon fiber material 15 is arranged between adjacent bar shaped boss 13, heat can effectively be reflexed on the roasting case 9 inside high-frequency electrical heating coil 10 by above-mentioned thermal radiation arrangement, improve efficiency of utilization, reduce waste heat to distribute, improve production efficiency.
High-alumina brick thermal insulation layer 6 is provided with the porcelain roller road 7 arranged along body of heater 1 length direction, the side's of being provided with porcelain plate 8 on porcelain roller road 7, side's porcelain plate 8 is provided with the roasting case 9 arranged along body of heater 1 length direction, pass sequentially through steel loop between each roasting case 9 to connect, each roasting case 9 is pulled to slide through roaster on side's porcelain plate 8 successively by a stretching device, by 380 volts of power supplys of 50 hertz through high frequency generator, convert the high frequency electric source supply high frequency electrical heating coil 10 of more than 10,000 hertz to, roasting case 9 produces heat when high-frequency electrical heats coil 10, heat to crucible, the flue gas Main Ingredients and Appearance that stove is discharged is tarvia, and flue gas is processed through high-voltage electrostatic dust separator after being collected by the fume emission mouth arranged in roaster one end
The steel-structure box body weight of a roasting case in the present invention is 200kg, the weight of carbon crucible is 125kg, inserts therein is 206kg, roasting casing is heated to 650 degree from room temperature 25 degree in theory, need power consumption 62.5 degree, actual production electric energy transition heat efficiency of the present invention is 90%, utilization rate of waste heat 50%, actual power consumption is, each roasting casing fills a crucible, each crucible power consumption 35 degree, is significantly less than similar factory crucible roasting energy consumption (0.113 ton of standard coal) 279.7 degree electricity.
In the present invention, one crucible roasting capacity of construction is the production line of 20000 crucibles of annual production, including body of heater, electrical heating and control system, high temperature resistant porcelain roller way system, smoke processing system, roasting casing, dynamical system, take on crucible system etc., total investment is 12,000,000 yuans, it is necessary to operator are 12 people; And 20000 crucibles of similar factory annual production roasting need 36 Room ring-form calcining furnaces, coal gas or natural gas is adopted to do thermal source, whole system total investment needs 36,000,000 yuans, need artificial 24 people, the present invention can effectively reduce production cost, cost of reducing investment outlay, raising heat utilization efficiency, shortening production cycle, reduction environmental protection cost, raising product quality.
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. a carbon-graphite crucible electrical heating roasting oven, steel shell (1) including the hollow that longitudinal section is rectangle, it is characterized in that: described body of heater (1) inner bottom part is provided with heat insulation brick layer (2), the top of described body of heater (1) is fixedly installed insulation fibre flaggy (3), the both sides of described heat insulation brick layer (2) are respectively arranged with the heat insulation brick layer of upwardly extending sidepiece (4), heat-preservation cotton material layer (5) it is filled with between the heat insulation brick layer of sidepiece described in two (4) and body of heater (1), described heat insulation brick layer (2) is arranged above high-alumina brick thermal insulation layer (6), described high-alumina brick thermal insulation layer (6) is positioned between the heat insulation brick layer of sidepiece described in two (4), described high-alumina brick thermal insulation layer (6) is provided with the porcelain roller road (7) arranged along body of heater (1) length direction, the side's of being provided with porcelain plate (8) on described porcelain roller road (7), described side's porcelain plate (8) is provided with several roasting casees (9) arranged along body of heater (1) length direction, pass sequentially through steel loop between each described roasting case (9) to connect, the arranged outside of described roasting case (9) has high-frequency electrical heating coil (10) arranged along body of heater (1) length direction.
2. carbon-graphite crucible electrical heating roasting oven according to claim 1, it is characterized in that: the longitudinal section of described high-frequency electrical heating coil (10) is reverse U shape, between described high-frequency electrical heating coil (10) and the heat insulation brick layer of sidepiece described in two (4), insulation fibre flaggy (3), be provided with diatomite insulating block layer (11).
3. carbon-graphite crucible electrical heating roasting oven according to claim 2, it is characterised in that: it is provided with silicate fiber cotton material layer (12) between described diatomite insulating block layer (11) and described high-frequency electrical heating coil (10).
4. carbon-graphite crucible electrical heating roasting oven according to claim 3, it is characterised in that: described diatomite insulating block layer (11) is arranged at intervals with, towards the side of described roasting case (9), the bar shaped boss (13) arranged along body of heater (1) length direction.
5. carbon-graphite crucible electrical heating roasting oven according to claim 4, it is characterised in that: the surface configuration of described bar shaped boss (13) has ceramic fibre material layer (14).
6. carbon-graphite crucible electrical heating roasting oven according to claim 5, it is characterized in that: described diatomite insulating block layer (11) is also arranged at intervals with layer of carbon fiber material (15) towards the side of described roasting case (9), and each described layer of carbon fiber material (15) is arranged between adjacent described bar shaped boss (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204450.1A CN105674743A (en) | 2016-04-02 | 2016-04-02 | Electrical heating roasting furnace for carbon-graphite crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204450.1A CN105674743A (en) | 2016-04-02 | 2016-04-02 | Electrical heating roasting furnace for carbon-graphite crucible |
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| Publication Number | Publication Date |
|---|---|
| CN105674743A true CN105674743A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610204450.1A Pending CN105674743A (en) | 2016-04-02 | 2016-04-02 | Electrical heating roasting furnace for carbon-graphite crucible |
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| CN (1) | CN105674743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253416A (en) * | 2017-12-29 | 2018-07-06 | 哈尔滨工程大学 | A kind of presetting system lithium/combustion heat-exchange integrated device of sulfur hexafluoride and application method |
| CN114719617A (en) * | 2022-03-17 | 2022-07-08 | 重庆东星炭素材料有限公司 | Production device and method of graphite carbon material |
Citations (4)
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| CN2708212Y (en) * | 2004-01-20 | 2005-07-06 | 山东鲁阳股份有限公司 | Heat insulating holding furnace liner for carbon element calcining kiln |
| CN201480312U (en) * | 2009-08-25 | 2010-05-26 | 上海外贸界龙彩印有限公司 | Three-drawer file storage box |
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| CN202350506U (en) * | 2011-12-15 | 2012-07-25 | 邹建明 | Recycling device for heat energy of intermediate-frequency induction roasting furnace |
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2016
- 2016-04-02 CN CN201610204450.1A patent/CN105674743A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2708212Y (en) * | 2004-01-20 | 2005-07-06 | 山东鲁阳股份有限公司 | Heat insulating holding furnace liner for carbon element calcining kiln |
| CN201480312U (en) * | 2009-08-25 | 2010-05-26 | 上海外贸界龙彩印有限公司 | Three-drawer file storage box |
| CN202339108U (en) * | 2011-11-03 | 2012-07-18 | 三门峡三键炭材料科技有限公司 | Lining heat preservation material for electric calcination furnace |
| CN202350506U (en) * | 2011-12-15 | 2012-07-25 | 邹建明 | Recycling device for heat energy of intermediate-frequency induction roasting furnace |
Non-Patent Citations (3)
| Title |
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| 林宗寿: "《无机非金属材料工学》", 31 December 2013, 武汉理工大学出版社 * |
| 蒋祖星: "《热工与流体力学基础》", 28 February 2012, 机械工业出版社 * |
| 许斌: "《炭材料生产技术600问》", 31 January 2006, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253416A (en) * | 2017-12-29 | 2018-07-06 | 哈尔滨工程大学 | A kind of presetting system lithium/combustion heat-exchange integrated device of sulfur hexafluoride and application method |
| CN114719617A (en) * | 2022-03-17 | 2022-07-08 | 重庆东星炭素材料有限公司 | Production device and method of graphite carbon material |
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Application publication date: 20160615 |
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| RJ01 | Rejection of invention patent application after publication |