CN204778849U - Graphitizing furnace with high heat -proof quality - Google Patents

Graphitizing furnace with high heat -proof quality Download PDF

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Publication number
CN204778849U
CN204778849U CN201520398810.7U CN201520398810U CN204778849U CN 204778849 U CN204778849 U CN 204778849U CN 201520398810 U CN201520398810 U CN 201520398810U CN 204778849 U CN204778849 U CN 204778849U
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CN
China
Prior art keywords
furnace
insulating sandwich
heat
ventilating pit
proof quality
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CN201520398810.7U
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Chinese (zh)
Inventor
张攀
周建华
宁忠平
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四川都江堰西马炭素有限公司
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Priority to CN201520398810.7U priority Critical patent/CN204778849U/en
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Publication of CN204778849U publication Critical patent/CN204778849U/en

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Abstract

The utility model provides a graphitizing furnace with high heat -proof quality, include: interior furnace body, set up in outside outer furnace body and first thermal -insulated intermediate layer, the thermal -insulated intermediate layer of second and the thermal -insulated intermediate layer of third of interior furnace body, interior furnace body side is provided with interior brickwork, and outer furnace body side is provided with outer brickwork, first thermal -insulated intermediate layer, the thermal -insulated intermediate layer of second and parallel the setting in interior brickwork of the thermal -insulated intermediate layer of third, and wherein first thermal -insulated intermediate layer is the carbon black layer, and the thermal -insulated intermediate layer of second is the carbon brick layer, and the thermal -insulated intermediate layer of third is the petroleum coke bisque. The utility model discloses graphitizing furnace has high thermal -insulated thermal insulation performance, can also protect the brickwork, prolongs the life of brickwork.

Description

A kind of graphitizing furnace with high heat-proof quality
Technical field
The utility model relates to carbon production field, especially relates to a kind of graphitizing furnace with high heat-proof quality.
Background technology
In recent years, carbon element industry is flourish, and its main raw charcoal and graphite material are the nonmetal solid materials based on carbon, wherein the material that is substantially made up of non-graphite matter carbon of Carbon Materials, and graphite material is then the material be substantially made up of graphite carbon.There is light weight, porousness, electroconductibility, thermal conductivity, erosion resistance, oilness, hot strength, thermotolerance, resistance to sudden heating, low-thermal-expansion, low elasticity, high purity, the features such as workability.
Be graphitizing furnace at the requisite equipment of carbon element industry, it belongs to the nucleus equipment in carbon element industry art production process, nowadays generally still acheson furnace is selected, the basic functional principle of this graphitizing furnace is in the body of heater that refractory materials is constructed, load blank and the particulate material of charcoal, the combustion chamber of composition conduction is adiabatic heat-insulation material in the surrounding of combustion chamber.Be provided with conductive electrode as on two headwalls of burner, and be connected with power supply.Conductive electrode, power supply and combustion chamber form the loop of energising.Work as circuit ON, combustion chamber has higher resistance, and according to Joule's law, combustion chamber is heating up, makes the blank of charcoal at the temperature of 2200-2300 DEG C, through high-temperature heat treatment, physical change occurs and change synthetic graphite into.Graphitizing furnace graphitizing process only needs 2 ~ 7 days when electrified regulation, but also will make a large amount of filler coke coolings, the long period of about 2 weeks.
Acheson furnace due to its have method for graphitizing simple, produce the advantages such as reliable and fault is few and be widely used, but a large amount of harmful exhaust such as carbon monoxide etc. is escaped out between its heating in process of production and cooldown period, directly be discharged in air, severe contamination environment and infringement workman healthy but still exist.
Therefore, those skilled in the art are unsettled graphitizing furnace at the bottom of a kind of Novel furnace for above technical problem utility model, this graphitizing furnace comprises the unsettled inner furnace body of external furnace body and bottom, inner furnace body is arranged in the body structure of external furnace body, the longitudinal cross-section of inner furnace body is " recessed " shape, its inner furnace body passes through shore supports, and the pore be provided with on the side inner furnace wall of inner furnace body and the side outer furnace wall of external furnace body for air circulation, inner furnace wall and outer furnace wall all adopt fireproof insulation brick to make, the advantage of the graphitizing furnace of this structure is that carrying out flowing between the cavity that air can be formed between two bodies of heater forms air buffer, reduce rate of heat release, can also the poisonous and hazardous waste gas produced in graphite production process be received in cavity in addition, again by discharging simultaneously with the pore of cavity connects, the poisonous and hazardous waste gas achieved in the production process of furnace bottom unsettled novel graphite stove is discharged into the transformation of first collecting reorientation discharge from unordered, poisonous and hazardous waste gas is allowed to be more prone to collect and process, decrease poisonous and hazardous waste gas outwardly to escape at random, protect the healthy of operator and environment.
But, the unsettled graphitizing furnace of this furnace bottom is due in purge process, temperature is general very high, 1000-2000 DEG C at least, more than 3000 DEG C at most, therefore its heat preservation and insulation is the key index needing to investigate, although the air buffer carrying out flowing formation between its cavity can play certain thermal insulation function at short notice, but after long-time, temperature in stove still can be delivered on furnace wall by metallurgical powder, thus cause thermosteresis, because body of wall adopts refractory brick to make mostly, also furnace wall can be burnt out, greatly shorten the normal service life of furnace wall itself, also can affect normal production.
In view of this, special this utility model of proposition.
Utility model content
The purpose of this utility model is to provide a kind of graphitizing furnace with high heat-proof quality, and not good to solve the graphitizing furnace heat-proof quality existed in prior art, furnace wall is easily damaged affects the technical problem of its normal service life.
The utility model provides a kind of graphitizing furnace with high heat-proof quality, comprising: inner furnace body, the external furnace body being arranged at inner furnace body outside and the first insulating sandwich, the second insulating sandwich and the 3rd insulating sandwich;
The side of inner furnace body is provided with inner furnace wall, the side of external furnace body is provided with outer furnace wall, described first insulating sandwich, described second insulating sandwich and the 3rd insulating sandwich are parallel to be arranged in described inner furnace wall, wherein said first insulating sandwich is silica aerogel layer, described second insulating sandwich is carbon brick layer, and described 3rd insulating sandwich is refinery coke bisque.
The graphitizing furnace of high heat-proof quality that what the utility model embodiment provided have, by arranging three layers of insulating sandwich in inner furnace wall, preventing that temperature in body of heater is too high burns inner furnace wall, causing furnace wall to cave in or causing security incident.And certain thermal insulation function can also be played, the purification effect of further lifting powder.Wherein, first insulating sandwich is silica aerogel layer, can absorb amount of heat, avoid heat to be delivered on refractory brick body of wall, the second insulating sandwich is carbon brick layer, mainly play and support and effect heat insulation further, 3rd insulating sandwich is refinery coke bisque, can play the effect delaying to conduct heat, by three layers work in coordination, can by normally carrying out in order of guaranteeing to produce, the work-ing life of extension device.
Preferably; near described inner furnace wall is the first insulating sandwich; then the second insulating sandwich and the 3rd insulating sandwich is followed successively by; because the price comparison of carbon black is expensive; if silica aerogel layer is placed in innermost layer; be difficult to separate after easily mixing with resistance material; both the recycling of carbon black had been affected; also the recycling of resistance material has been had influence on; silica aerogel layer thermal conductivity is high in addition, resistivity is high; carry out heat insulation main dependence carbon black to block, therefore it is preferably positioned over the one deck near inner furnace wall, well protects furnace wall.Then one, carbon brick layer is to support, and silica aerogel layer and refinery coke bisque is well isolated in addition, prevents both blending, also plays partition, avoids the effect of melting simultaneously.
Preferably, be fitted and connected between described inner furnace wall, the first insulating sandwich, the second insulating sandwich and the 3rd insulating sandwich.Three layers closely and furnace wall fit and can play better provide protection.
Preferably, can expand along with the prolongation of duration of service to prevent the first insulating sandwich silica aerogel layer, also in order to better support three layers of insulating sandwich, described graphitizing furnace also comprises the supporting traverse wearing described first insulating sandwich, one end of described supporting traverse connects described second insulating sandwich, and the other end connects described inner furnace wall.
Preferably, described supporting traverse is many, is equidistantly arranged between inner furnace wall and the second insulating sandwich from top to bottom.
Preferably, in order to better detect the temperature in body of heater, described outer furnace wall, inner furnace wall and the first insulating sandwich, the second insulating sandwich, the 3rd corresponding position of insulating sandwich are provided with for wearing the thermometer hole of temperature measuring equipment to the stove heart.
Preferably, described temperature measuring equipment is thermopair.
Preferably, also comprise capping and air cleaning unit, described capping and described inner furnace wall top surrounding are fitted and connected, and described capping is provided with the gas port for giving vent to anger, described gas port is connected with described air cleaning unit.
Preferably, also comprise breather, described breather comprises: ventpipe, gas storage parts, the 3rd ventilating pit be arranged on the 3rd insulating sandwich of the first ventilating pit of outer furnace wall, the second ventilating pit of inner furnace wall and correspondence, described ventpipe connects described gas storage parts, described first ventilating pit and described second ventilating pit, and wears described 3rd ventilating pit of described first, second, third insulating sandwich arrival;
Described ventpipe is made up of the carbon tube between gas storage parts and the first ventilating pit, the alundum tube between the first ventilating pit and the second ventilating pit and the carbon tube offering production well between the second ventilating pit and the 3rd ventilating pit, described carbon tube and the mutual grafting of described alundum tube, one end that described ventpipe is positioned at the 3rd ventilating pit is closed.
This breather is highly suitable for the unsettled this graphitizing furnace of furnace bottom, ventpipe is by carbon tube and the mutual grafting of alundum tube being formed, especially alundum tube is adopted in the region of air circulation, the ventpipe at other positions then adopts carbon tube, prevent ventpipe long-term exposure among the environment of ventilating air, easily the oxidized tube wall that makes is thinning gradually, affects work-ing life.This breather not only extends the work-ing life of ventpipe itself, not fragile, can not affect normal Production Flow Chart operation, and easy for installation, is stablized by the sound construction after the grafting of multistage pipe.
Preferably, described carbon tube is that the mutual grafting of multistage pipeline forms, and described alundum tube is that the mutual grafting of multistage pipeline forms.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The three-dimensional structure diagram with the graphitizing furnace of high heat-proof quality that Fig. 1 provides for the first embodiment of the utility model;
The sectional structure chart with the graphitizing furnace of high heat-proof quality that Fig. 2 provides for the first embodiment of the utility model;
Fig. 3 is that the A-A of the plan structure figure of the graphitizing furnace of the high heat-proof quality of Fig. 2 is to sectional view;
Fig. 4 is that the B-B of the plan structure figure of the graphitizing furnace of high heat-proof quality in Fig. 2 is to sectional view;
Fig. 5 for the utility model the second embodiment provide there is the graphitizing furnace of high heat-proof quality face structure iron;
Schematic diagram is moved towards in air circulation in the graphitizing furnace with high heat-proof quality that Fig. 6 provides for the utility model embodiment;
Reference numeral:
101-ventpipe; 102-first ventilating pit; 103-second ventilating pit;
104-the 3rd ventilating pit; 105-production well; 106-carbon tube;
107-alundum tube; 108-collects house steward; 109-gas storage parts;
110-capping; 111-gas port; 112-air cleaning unit;
113-pillar; 114-outer furnace wall; 115-inner furnace wall;
116-airport; 117-temperature measuring equipment; 118-first insulating sandwich;
119-second insulating sandwich; 120-the 3rd insulating sandwich; 121-supporting traverse.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case the concrete meaning of above-mentioned term in the utility model can be understood.
The structure of those skilled in the art's unsettled graphitizing furnace at the bottom of a kind of Novel furnace of previous utility model is for comprising external furnace body and inner furnace body, and the longitudinal cross-section of inner furnace body is " recessed " shape, inner furnace body passes through shore supports, and the airport 116 be provided with on inner furnace wall 115 with outer furnace wall 114 for air circulation, between two bodies of heater, also form the structure of cavity like this, air buffer can be formed and be better incubated.Especially can be clearly seen that in figure 6 the circulation trend of air, in order to make air circulation arrive place as much as possible, the airport 116 on external furnace body sidewall reaches away from the airport 116 on inner furnace body sidewall as far as possible, increases the distance between airport.
Inner furnace wall 115 and outer furnace wall 114 all adopt fireproof insulation brick to make.Because the unsettled novel graphite stove of furnace bottom is in graphitizing process, the high temperature combustion chamber utilizing the blank of inner furnace wall 115 to form is needed to transform, generate synthetic graphite, temperature in furnace bottom unsettled novel graphite stove inner furnace body can reach more than 2500 DEG C, if adopt common masonry to be easy to the cracking damage because high temperature can not be born as the inner furnace wall 115 of the unsettled novel graphite stove of furnace bottom or outer furnace wall 114, cause the structural failure of the unsettled novel graphite stove of furnace bottom, the unsettled novel graphite stove of furnace bottom can not normally be used, and impact is produced normally.And common masonry is incubated, effect of heat insulation is poor, heat is directly sent in air, and cause the waste of heat energy, heating efficiency is low, and then causes the efficiency of furnace bottom unsettled novel graphite stove production graphite low, and the graphite purity produced is low.And adopt fireproof insulation brick to make the high temperature that can either bear in graphitizing process, there is again good heat insulation effect, improve the temperature in the unsettled novel graphite stove of furnace bottom, and then improve the quality that graphited production efficiency improves the graphite produced simultaneously.
The utility model proceeds to improve on the basis of above structure, a kind of unsettled graphitizing furnace of furnace bottom with long-acting thermal-insulating effect of heat insulation of utility model, the structural representation with the graphitizing furnace of high heat-proof quality that the first embodiment of the utility model as Figure 1-4 provides, it comprises: inner furnace body, external furnace body and the first insulating sandwich 118, second insulating sandwich 119 and the 3rd insulating sandwich 120; Inner furnace body is provided with inner furnace wall 115, external furnace body is provided with outer furnace wall 114, described first insulating sandwich 118, described second insulating sandwich 119 and the 3rd insulating sandwich 120 walk abreast and are arranged in described inner furnace wall, wherein said first insulating sandwich 118 is silica aerogel layer, described second insulating sandwich 119 is carbon brick layer, and described 3rd insulating sandwich 120 is refinery coke bisque.
The air partition layer of prior art just can play certain thermal insulation function at short notice, but after long-time, temperature in stove still can be delivered on furnace wall by metallurgical powder, thus cause thermosteresis, therefore in order to long-acting heat-insulation and heat-preservation, it is provided with three layers of insulating sandwich, prevents that temperature in body of heater is too high burns inner furnace wall, causes furnace wall to cave in or causes security incident.And certain thermal insulation function can also be played, the purification effect of further lifting powder.Wherein, first insulating sandwich 118 is silica aerogel layer, can absorb amount of heat, avoid heat to be delivered on refractory brick body of wall, the second insulating sandwich 119 is carbon brick layer, mainly play and support and effect heat insulation further, 3rd insulating sandwich 120 is refinery coke bisque, can play the effect delaying to conduct heat, by three layers work in coordination, can by normally carrying out in order of guaranteeing to produce, the work-ing life of extension device.
In order to better detect the temperature in body of heater, described outer furnace wall 114, inner furnace wall 115 and the first insulating sandwich 118, second insulating sandwich 119, the corresponding position of the 3rd insulating sandwich 120 are provided with for wearing the thermometer hole of temperature measuring equipment 117 to the stove heart, temperature measuring equipment 117 is preferably thermopair, because the thermometric of thermopair own is sensitiveer, and cost is also lower, the not fragile life-span is long, is therefore optimal selection.
Specifically it should be noted that, the graphitizing furnace of high heat-proof quality of the present utility model also includes and transports special gas and enter in stove and carry out with powder in stove the breather that chemical reaction strengthens purification effect, described breather comprises: ventpipe 101, gas storage parts 109, be arranged at the first ventilating pit 102 of outer furnace wall, the 3rd ventilating pit 104 on second ventilating pit 103 of inner furnace wall and the 3rd insulating sandwich of correspondence, described ventpipe 101 connects described gas storage parts 109, described first ventilating pit 102 and described second ventilating pit 103, and wear described first, second, 3rd insulating sandwich arrives described 3rd ventilating pit 104,
Described ventpipe 101 is made up of the carbon tube 106 between gas storage parts 109 and the first ventilating pit 102, the alundum tube 107 between the first ventilating pit 102 and the second ventilating pit 103 and the carbon tube 106 offering production well 105 between the second ventilating pit 103 and the 3rd ventilating pit 104, described carbon tube 106 is closed with described alundum tube 107 grafting mutually, one end that described ventpipe 101 is positioned at the 3rd ventilating pit 104.The one section of carbon tube 106 being arranged in inner furnace wall 115 needs the powder generation chemical reaction outwards overflowing gas and crucible to promote that it is further purified, and in order to make the more even of gas overflowing, its pipe is provided with some production wells 105 uniformly, these production wells 105 are in netted, the end of ventpipe 101 can stop in the 3rd ventilating pit 104,3rd insulating sandwich need not be passed, because the waste gas produced after its inner generation chemical reaction is discharged by the top of inner furnace wall 115.The position of concrete first, second, third ventilating pit and the position of carbon tube and alundum tube can be found out clearly from accompanying drawing 2-4.Mutual grafting conveniently between each section of pipe, the form be fixedly connected with is not taked in pipeline and the junction of body of heater, but is all provided with duct on external furnace body and inner furnace body, facilitates the turnover of ventpipe to dismantle.
The top of inner furnace wall 115 is provided with capping 110, capping 110 and described inner furnace wall 115 top surrounding are fitted and connected, described capping 110 being provided with the gas port 111 for giving vent to anger, also including air cleaning unit 112 in addition, described gas port 111 is connected with described air cleaning unit 112.The waste gas produced after the special gas chemical reaction out of the production well 105 ventpipe 101 is entered in air cleaning unit 112 by gas port 111 and carries out purifying and filtering, avoid waste gas to be arbitrarily discharged in air, contaminate environment or even infringement staff healthy.General air cleaning unit 112 comprises gas wash tower, desulfurizing tower and plasma discharge pond, the waste gas collected from airport 116 and gas port 111 is introduced into temperature-reducing tower through cooling process, then the granule dust removed in waste gas is passed in gas wash tower, then the sulfuration gas in waste gas is removed through desulfurizing tower, finally by plasma discharge pond, some poisonous and hazardous waste gas are neutralized, the waste residue collected is concentrated simultaneously, facilitate subsequent disposal.Utilize air cleaning unit to focus on the waste gas that airport 116 and gas port 111 are collected, first purify and discharge again, the demand of protection of the environment can either be met, the waste gas produced in graphitizing process can be avoided again to endanger the healthy of staff.
Because the quality of carbon tube 106 own is softer, also heat radiation ventilation, convenient disassembly is convenient to, therefore the mode of the mutual grafting of multistage pipeline is preferably taked, wherein carbon tube 106 forms for the mutual grafting of pipeline, alundum tube 107 is also preferably the mutual grafting of multistage pipeline and forms, and then carbon tube 106 and alundum tube 107 also grafting mutually, in order to reinforce grafting point, also will arrange bracing means at grafting point place, bracing means can choose the wherein one in clip and flange.This mode of connection not only facilitates, easy construction, and it is high to install rear stability, and bracing means is preferably clip, is directly blocked by grafting point, improves its security further.
First ventilating pit 102, described second ventilating pit 103 and described 3rd ventilating pit 104 are multiple, the arrangement in horizontal linear respectively, described ventpipe 101 is also many and parallel arranged, and such ventpipe 101 and ventilating pit supporting are with it multiple, and the arrangement in horizontal linear.Wherein accompanying drawing 1 is the laying state figure of graphite furnace when normal use, the mode of ventpipe parallel arranged also can be found out clearly from accompanying drawing 1, the total length of graphite furnace can reach about 25m, width is about 4m, ventpipe 101 is arranged in a linear down from left to right successively along the length direction of the sidewall of outer furnace wall, special gas enters stove from each root ventpipe 101 uniformly and carries out purifying, the diameter of each root ventpipe is at about 25cm, caliber is not easily excessive, otherwise the flow velocity of wayward gas.In addition, best first ventilating pit 102, described second ventilating pit 103 and described 3rd ventilating pit 104 are equidistantly evenly distributed, and ventpipe 101 is also equidistantly evenly distributed mode, equidistant arrangement mode handled easily and maintenance.
In addition, as can be seen from Fig. 1-2, breather also comprises and collects house steward 108, the described house steward of collecting 108 is arranged between gas storage parts 109 and the first ventilating pit 102, one end of the described house steward of collecting 108 is connected with gas storage parts 109, the other end connects with the one end of each ventpipe 101 being connected described first ventilating pit 102, here gas storage parts 109 are generally air compressor, many ventpipes 101 come together in one and collect on house steward 108, and then collect house steward 108 by many and be connected with gas storage parts 109, facilitate the conveying of special gas like this.
The structure iron with the graphitizing furnace of high heat-proof quality that Fig. 5 provides for the utility model the second embodiment, near described inner furnace wall 115 is the first insulating sandwich 118, then the second insulating sandwich 119 and the 3rd insulating sandwich 120 is followed successively by, three layers are arranged in order from outside to inside in inner furnace body, play the effect of heat insulating protection body of wall, and inner furnace wall 115, first insulating sandwich 118, be fitted and connected between second insulating sandwich 119 and the 3rd insulating sandwich 120, very close to each other between the two, laminating so closely better can be formed the air in body of heater and block.The silica aerogel layer of the first insulating sandwich 118 is main heat insulation structural, amount of heat can be absorbed, heat is prevented to be delivered on the inner furnace wall 115 of refractory brick material, the while that second insulating sandwich 119 thermal conductivity being high, resistivity is high, intensity is also higher, both can be heat insulation further, silica aerogel layer and refinery coke bisque well can also be isolated, prevent both blending, also play partition, avoid the effect of melting simultaneously.3rd insulating sandwich 119 refinery coke bisque can play the effect delaying to conduct heat.
Further, in order to the first insulating sandwich 118 silica aerogel layer and the structure being positioned at nexine are better combined with each other, avoid being separated, further comprises the supporting traverse 121 wearing described first insulating sandwich 118, one end of described supporting traverse 121 connects described second insulating sandwich 119, the other end connects described inner furnace wall 115, and supporting traverse 121 is many as seen from Figure 5, equidistantly be arranged between inner furnace wall 115 and the second insulating sandwich 119 from top to bottom, the material of supporting traverse is also carbon brick, identical with the material of the second insulating sandwich 119.In Figure 5, namely ventpipe 101 enters body of heater from the outer furnace wall 114 of side the 3rd insulating sandwich arriving offside stops, and ventpipe 101 is also provided with the production well 105 for discharging special gas.
Finally, as shown in Figure 6, in order to expanding production amplifies economic benefit, the general arranged transversely of inner furnace body becomes 3, adjacent inner furnace wall 115 is successively side by side in the body structure of shell, adjacent inner furnace wall 115 is connected successively, ventpipe 101 enters from the body of heater of two avris respectively, but ventpipe 101 can not pass into and be arranged in middle body of heater, one is lay because pipeline is bad, waste time and energy, in addition owing to being communicated with between three bodies of heater, special gas can circulate between three stoves, on the production well 105 of the ventpipe 101 in the stove of both sides, gas out can meet normal need of production.
In addition, although do not embody power system in the utility model accompanying drawing, graphite furnace of the present utility model containing electrode and power supply architecture, using the power resources as graphite furnace work.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (10)

1. there is a graphitizing furnace for high heat-proof quality, it is characterized in that, comprising: inner furnace body, the external furnace body being arranged at inner furnace body outside and the first insulating sandwich, the second insulating sandwich and the 3rd insulating sandwich;
The side of inner furnace body is provided with inner furnace wall, the side of external furnace body is provided with outer furnace wall, described first insulating sandwich, described second insulating sandwich and the 3rd insulating sandwich are parallel to be arranged in described inner furnace wall, wherein said first insulating sandwich is silica aerogel layer, described second insulating sandwich is carbon brick layer, and described 3rd insulating sandwich is refinery coke bisque.
2. a kind of graphitizing furnace with high heat-proof quality according to claim 1, is characterized in that, near described inner furnace wall is the first insulating sandwich, is then followed successively by the second insulating sandwich and the 3rd insulating sandwich.
3. a kind of graphitizing furnace with high heat-proof quality according to claim 2, is characterized in that, is fitted and connected between described inner furnace wall, the first insulating sandwich, the second insulating sandwich and the 3rd insulating sandwich.
4. a kind of graphitizing furnace with high heat-proof quality according to claim 3, is characterized in that, also comprise the supporting traverse wearing described first insulating sandwich, and one end of described supporting traverse connects described second insulating sandwich, and the other end connects described inner furnace wall.
5. a kind of graphitizing furnace with high heat-proof quality according to claim 4, it is characterized in that, described supporting traverse is many, is equidistantly arranged between inner furnace wall and the second insulating sandwich from top to bottom.
6. a kind of graphitizing furnace with high heat-proof quality according to any one of claim 1-5, it is characterized in that, described outer furnace wall, inner furnace wall and the first insulating sandwich, the second insulating sandwich, the 3rd corresponding position of insulating sandwich are provided with for wearing the thermometer hole of temperature measuring equipment to the stove heart.
7. a kind of graphitizing furnace with high heat-proof quality according to claim 6, is characterized in that, described temperature measuring equipment is thermopair.
8. a kind of graphitizing furnace with high heat-proof quality according to claim 1, it is characterized in that, also comprise capping and air cleaning unit, described capping and described inner furnace wall top surrounding are fitted and connected, described capping is provided with the gas port for giving vent to anger, described gas port is connected with described air cleaning unit.
9. a kind of graphitizing furnace with high heat-proof quality according to claim 2, it is characterized in that, also comprise breather, described breather comprises: ventpipe, gas storage parts, the 3rd ventilating pit be arranged on the 3rd insulating sandwich of the first ventilating pit of outer furnace wall, the second ventilating pit of inner furnace wall and correspondence, described ventpipe connects described gas storage parts, described first ventilating pit and described second ventilating pit, and wears described 3rd ventilating pit of described first, second, third insulating sandwich arrival;
Described ventpipe is made up of the carbon tube between gas storage parts and the first ventilating pit, the alundum tube between the first ventilating pit and the second ventilating pit and the carbon tube offering production well between the second ventilating pit and the 3rd ventilating pit, described carbon tube and the mutual grafting of described alundum tube, one end that described ventpipe is positioned at the 3rd ventilating pit is closed.
10. a kind of graphitizing furnace with high heat-proof quality according to claim 9, is characterized in that, described carbon tube is that the mutual grafting of multistage pipeline forms, and described alundum tube is that the mutual grafting of multistage pipeline forms.
CN201520398810.7U 2015-06-10 2015-06-10 Graphitizing furnace with high heat -proof quality CN204778849U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104891486A (en) * 2015-06-10 2015-09-09 四川都江堰西马炭素有限公司 Graphitization furnace with high heat insulation performance
CN107445156A (en) * 2017-09-28 2017-12-08 河北德厚节能科技有限公司 A kind of graphitizing furnace with quick cooling and function of recovering waste heat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104891486A (en) * 2015-06-10 2015-09-09 四川都江堰西马炭素有限公司 Graphitization furnace with high heat insulation performance
CN107445156A (en) * 2017-09-28 2017-12-08 河北德厚节能科技有限公司 A kind of graphitizing furnace with quick cooling and function of recovering waste heat

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