CN110452001A - A kind of heat-resistant light carbon black refractory brick and its production method - Google Patents
A kind of heat-resistant light carbon black refractory brick and its production method Download PDFInfo
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- CN110452001A CN110452001A CN201910806293.5A CN201910806293A CN110452001A CN 110452001 A CN110452001 A CN 110452001A CN 201910806293 A CN201910806293 A CN 201910806293A CN 110452001 A CN110452001 A CN 110452001A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/424—Carbon black
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention belongs to high temperature resistant heat insulation material technical fields, it is related to a kind of heat-resistant light carbon black refractory brick production method, it is particularly suitable for the furnace wall liner of charcoal element production graphitization process, production method successively includes raw material preparation, kneading process, cool material process, molding procedure, calcining process and manufacturing procedure totally six steps, and then a kind of long finished product refractory brick of black can be obtained;Wherein raw material includes the insulation carbon black, 25-30% sawdust and 5-10% pitch of 65-70%.The present invention innovates formula and insulation carbon black, sawdust and pitch has been selected to carry out refractory brick production, and the production method technique in the present invention is clear, it is easy manipulation, ensure that production standardization, and then the novel fire resistant lightweight carbon black brick with fire resistance and heat-proof quality can be manufactured;The brick uses on the graphitizing furnace within the walls laying of wall, can save material cost, reduces operation cost;And the integral heat insulation performance of furnace body is improved, heat loss is reduced, effectively improves energy utilization rate.
Description
Technical field
The invention belongs to high temperature resistant heat insulation material technical fields, are related to a kind of heat-resistant light carbon black refractory brick producer
Method is suitable for all kinds of high temperature furnace fire resistant heat preserving liners, is particularly suitable for the furnace wall liner of charcoal element production graphitization process.
Background technique
Graphitizing furnace in the prior art spreads furnace burdening in furnace bottom when in use, and furnace core is to need graphited production
The furnace wall of product, two sides and upper end is covered with insulation material, and has conductive electrode to access wherein from the both ends of graphitizing furnace, wherein furnace
Wall is built by common refractory.
Graphitizing process is a heat treatment process, be graphitized maximum temperature up to 2800--3000 DEG C, graphitizing furnace
Integral heat insulation heat-proof quality is of great significance for the production energy-saving of graphitization process.
Currently, graphitization furnace wall mostly uses common refractory to build, refractory temperature is generally 1450 DEG C, and thermal insulation property
It is poor;In order to keep furnace core temperature, extends furnace wall service life, in graphitizing furnace design, broaden furnace body, to increase heat preservation
Expect thickness, this adds increased the construction costs of graphitizing furnace;Especially in the process of running, since furnace chamber is roomy, furnace core is caused
Temperature loss is more, and energy consumption increases, and increases operation cost;Simultaneously as largely using insulation material, Material Cost is also resulted in
Increase.
Summary of the invention
Based on the above technical problem, the present invention provides a kind of production method of novel fire resistant lightweight carbon black refractory brick, and
And a kind of novel fire resistant lightweight carbon black brick product is manufactured according to production method, which, which can be used as graphitizing furnace and serve as a contrast within the walls, makes
With, and then the thermal insulation property of graphitization furnace body is improved, thermal loss is reduced, energy consumption cost is reduced.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of production method of heat-resistant light carbon black refractory brick successively includes raw material preparation, kneading process, cool material work
Sequence, molding procedure, calcining process and manufacturing procedure totally six steps, and then a kind of heat-resistant light carbon black fire resisting can be obtained
Brick;Wherein raw material preparation is as step 1, is to carry out quality weighing to raw material, wherein raw material include 65-70% insulation carbon black,
25-30% sawdust and 5-10% pitch.
Further, the kneading process is as step 2, is that will insulate carbon black and sawdust is added in kneading machine, dry-mixed
25-35 minute, after dry-mixed temperature reaches 80-110 DEG C, pitch is added, continues kneading 40-50 minutes, mixes well thickener,
So that thickener temperature reaches 155-165 DEG C, thickener is become to pinch from underflow state at this time rubs shapable state with the hands, and kneading terminates
Paste.
Further, the cool material process is that the thickener for completing rigid kneading is transferred in cooler as step 3, and stirring dissipates
Heat escapes most of bitumen flue gas, and when thickener temperature is down to 115-130 DEG C, cool material terminates.
Further, the vibration moulding side of extrusion forming mode or use can be used as step 4 for the molding procedure
Formula obtains molding embryo material.
Further, the extrusion forming mode is to move into thickener in single lead screw ex truding briquetting machine material room, is provided using oil cylinder
Pressure squeezes out thickener by die mould mouth, and cutting becomes shaping blank after being expressed into specific length.
Further, the vibration moulding mode is to move into thickener in vibrating forming machine mold, and mold seaming chuck compresses
Thickener, opening molding machine by high-frequency vibration makes the thickener jolt ramming in mold, to form shaping blank.
Further, the calcining process is that shaping blank is fitted into roaster as step 5, between shaping blank
Away from being 100-150mm for 50-100mm, shaping blank and furnace wall spacing, generates gap and filled up with insulation material;After the completion of shove charge
Can light a fire roasting, and delay roasting when it is 550-650 hours a length of, be warming up to 1200-1250 according to the heating curve of regulation
DEG C complete roasting.
Further, the manufacturing procedure is after roasting product is qualified on inspection, by roasting product by adding as step 6
Work lathe carries out the cutting of size and shape, is prepared into specific finished product refractory brick.
To sum up, a kind of obtained heat-resistant light carbon black refractory brick can operate with the laying of graphitizing furnace interior wall.
Further, the heat-resistant light carbon black refractory brick passes through the bonding of carbon clay and the exterior wall along graphitizing furnace
Inner wall is laid with.
Beneficial effects of the present invention are as follows:
The present invention innovates formula and insulation carbon black, sawdust and pitch has been selected to carry out refractory brick production, and the life in the present invention
It is clear to produce method and process, step is easy, is easy manipulation, ensure that smooth in production standardization and program, and then can make
Produce uniform specification, superior in quality standardization novel fire resistant lightweight carbon black brick.
The brick has good high temperature resistance, is resistant to 2200 DEG C or more high temperature, meanwhile, there is good heat insulation property
Can, the fire resistance and heat-proof quality of fire resisting brick product are substantially better than common refractory brick.
The brick uses on the graphitizing furnace within the walls laying of wall, can reduce the thickness of furnace core two sides insulation material, to save
Material cost;Simultaneously also operating cost can be reduced with constriction furnace body;And the integral heat insulation performance of furnace body is improved, heat waste is reduced
It loses, effectively improves energy utilization rate.
Product in the present invention itself is exactly a kind of carbon material as furnace wall liner, and then is not deposited in process of production
The risk of material, has excellent using effect in pollution graphitizing furnace.
Detailed description of the invention
Fig. 1 is graphitizing furnace furnace body longitudinal profile schematic diagram in the present invention;
In figure, 1 is furnace body exterior wall, and 2 be conductive electrode, and 3 be furnace body interior wall.
Specific embodiment
In order to which those skilled in the art better understand the present invention, with reference to the accompanying drawing with following embodiment to the present invention
It is described in further detail.
Embodiment 1
A kind of production method of heat-resistant light carbon black refractory brick carries out as follows:
Insulation carbon black, sawdust and pitch weigh spare, and this three respectively by quality by step 1, raw material preparation
Quality accounting be respectively as follows: insulation carbon black 65%, pitch 30%, sawdust 5%, insulation carbon black therein be black powder state,
Sawdust is general dried wood chips, and pitch therein is the dark thick liquid by thawing, and thawing is to lead to fix-bitumen
It crosses asphalt melting slot and is heated to 170~180 DEG C of processes for becoming liquid;
Insulation carbon black and sawdust are added in kneading machine for step 2, kneading process, 25-35 minutes dry-mixed, when dry-mixed temperature
When reaching 80-110 DEG C, pitch is added, continues kneading 40-50 minutes, mixes well thickener, so that thickener temperature reaches 155-
165 DEG C, thickener is become to pinch from underflow state at this time rubs shapable state with the hands, and kneading terminates, and can go out to paste;
The thickener that rigid kneading is completed is transferred in cooler by step 3, cool material process, and stirring heat dissipation makes most of pitch
Flue gas evolution, when thickener temperature is down to 115-130 DEG C, cool material terminates, and can enter molding procedure;
Thickener is moved into single lead screw ex truding briquetting machine material room using extrusion forming mode, is utilized oil by step 4, molding procedure
The pressure that cylinder provides squeezes out thickener by die mould mouth, and cutting becomes shaping blank, medium-pressure type after being expressed into specific length
Mouth size and shape can be customized according to actual requirement;
Shaping blank is fitted into roaster by step 5, calcining process, and the spacing of shaping blank is 50-100mm, molding
Blank and furnace wall spacing are 100-150mm, generate gap and are filled up with insulation material, existing petroleum may be selected in insulation material here
Micelle or metallurgical rubber powder;Can light a fire after the completion of shove charge roasting, and while delaying to roast is 550-650 hours a length of, according to rule
Fixed heating curve is warming up to 1200-1250 DEG C of completion roasting;
Step 6, manufacturing procedure, roasting product after qualification, can be laid with the furnace of the graphitizing furnace of refractory brick on inspection as needed
Chamber size and the size for requiring to determine refractory brick, and then roasting product is prepared into specific finished product refractory brick by machining tool.
According to a kind of above-mentioned production method of heat-resistant light carbon black refractory brick, can produce with good heat-resisting quantity
Can, and the heat-resistant light carbon black fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to,
And it good can apply in the furnace wall of graphitizing furnace is laid with, as shown in Figure 1, the heat-resistant light carbon black refractory brick
It on the inner wall for being laid on furnace body exterior wall 1, is bonded between refractory brick by carbon clay, and outside refractory brick and furnace body
Wall 1 is bonded also by carbon clay, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;Described
The fire resistance and heat-proof quality of heat-resistant light carbon black refractory brick are substantially better than common refractory brick, are applied in graphitizing furnace
In wall, the thickness of furnace core two sides insulation material can be reduced, to save material cost, and the whole of furnace body is still can be improved and protects
Warm nature energy reduces heat loss, effectively improves energy utilization rate.
Embodiment 2
A kind of production method of heat-resistant light carbon black refractory brick carries out as follows:
Insulation carbon black, sawdust and pitch weigh spare, and this three respectively by quality by step 1, raw material preparation
Quality accounting be respectively as follows: insulation carbon black 70%, pitch 25%, sawdust 5%, insulation carbon black therein be black powder state,
Sawdust is general dried wood chips, and pitch therein is the dark thick liquid by thawing, and thawing is to lead to fix-bitumen
It crosses asphalt melting slot and is heated to 170~180 DEG C of processes for becoming liquid;
Insulation carbon black and sawdust are added in kneading machine for step 2, kneading process, 25-35 minutes dry-mixed, when dry-mixed temperature
When reaching 80-110 DEG C, pitch is added, continues kneading 40-50 minutes, mixes well thickener, so that thickener temperature reaches 155-
165 DEG C, thickener is become to pinch from underflow state at this time rubs shapable state with the hands, and kneading terminates, and can go out to paste;
The thickener that rigid kneading is completed is transferred in cooler by step 3, cool material process, and stirring heat dissipation makes most of pitch
Flue gas evolution, when thickener temperature is down to 115-130 DEG C, cool material terminates, and can enter molding procedure;
Thickener is moved into single lead screw ex truding briquetting machine material room using extrusion forming mode, is utilized oil by step 4, molding procedure
The pressure that cylinder provides squeezes out thickener by die mould mouth, and cutting becomes shaping blank, medium-pressure type after being expressed into specific length
Mouth size and shape can be customized according to actual requirement;
Shaping blank is fitted into roaster by step 5, calcining process, and the spacing of shaping blank is 50-100mm, molding
Blank and furnace wall spacing are 100-150mm, generate gap and are filled up with insulation material, existing petroleum may be selected in insulation material here
Micelle or metallurgical rubber powder;Can light a fire after the completion of shove charge roasting, and while delaying to roast is 550-650 hours a length of, according to rule
Fixed heating curve is warming up to 1200-1250 DEG C of completion roasting;
Step 6, manufacturing procedure, roasting product after qualification, can be laid with the furnace of the graphitizing furnace of refractory brick on inspection as needed
Chamber size and the size for requiring to determine refractory brick, and then roasting product is prepared into specific finished product refractory brick by machining tool.
According to a kind of above-mentioned production method of heat-resistant light carbon black refractory brick, can produce with good heat-resisting quantity
Can, and the heat-resistant light carbon black fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to,
And it good can apply in the furnace wall of graphitizing furnace is laid with, as shown in Figure 1, the heat-resistant light carbon black refractory brick
It on the inner wall for being laid on furnace body exterior wall 1, is bonded between refractory brick by carbon clay, and outside refractory brick and furnace body
Wall 1 is bonded also by carbon clay, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;Described
The fire resistance and heat-proof quality of heat-resistant light carbon black refractory brick are substantially better than common refractory brick, are applied in graphitizing furnace
In wall, the thickness of furnace core two sides insulation material can be reduced, to save material cost, and the whole of furnace body is still can be improved and protects
Warm nature energy reduces heat loss, effectively improves energy utilization rate.
Embodiment 3
The production method of kind heat-resistant light carbon black refractory brick, carries out as follows:
A kind of production method of heat-resistant light carbon black refractory brick carries out as follows:
Insulation carbon black, sawdust and pitch weigh spare, and this three respectively by quality by step 1, raw material preparation
Quality accounting be respectively as follows: insulation carbon black 67%, pitch 27%, sawdust 6%, insulation carbon black therein be black powder state,
Sawdust is general dried wood chips, and pitch therein is the dark thick liquid by thawing, and thawing is to lead to fix-bitumen
It crosses asphalt melting slot and is heated to 170~180 DEG C of processes for becoming liquid;
Insulation carbon black and sawdust are added in kneading machine for step 2, kneading process, 25-35 minutes dry-mixed, when dry-mixed temperature
When reaching 80-110 DEG C, pitch is added, continues kneading 40-50 minutes, mixes well thickener, so that thickener temperature reaches 155-
165 DEG C, thickener is become to pinch from underflow state at this time rubs shapable state with the hands, and kneading terminates, and can go out to paste;
The thickener that rigid kneading is completed is transferred in cooler by step 3, cool material process, and stirring heat dissipation makes most of pitch
Flue gas evolution, when thickener temperature is down to 115-130 DEG C, cool material terminates, and can enter molding procedure;
Thickener is moved into single lead screw ex truding briquetting machine material room using extrusion forming mode, is utilized oil by step 4, molding procedure
The pressure that cylinder provides squeezes out thickener by die mould mouth, and cutting becomes shaping blank, medium-pressure type after being expressed into specific length
Mouth size and shape can be customized according to actual requirement;
Shaping blank is fitted into roaster by step 5, calcining process, and the spacing of shaping blank is 50-100mm, molding
Blank and furnace wall spacing are 100-150mm, generate gap and are filled up with insulation material, existing petroleum may be selected in insulation material here
Micelle or metallurgical rubber powder;Can light a fire after the completion of shove charge roasting, and while delaying to roast is 550-650 hours a length of, according to rule
Fixed heating curve is warming up to 1200-1250 DEG C of completion roasting;
Step 6, manufacturing procedure, roasting product after qualification, can be laid with the furnace of the graphitizing furnace of refractory brick on inspection as needed
Chamber size and the size for requiring to determine refractory brick, and then roasting product is prepared into specific finished product refractory brick by machining tool.
According to a kind of above-mentioned production method of heat-resistant light carbon black refractory brick, can produce with good heat-resisting quantity
Can, and the heat-resistant light carbon black fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to,
And it good can apply in the furnace wall of graphitizing furnace is laid with, as shown in Figure 1, the heat-resistant light carbon black refractory brick
It on the inner wall for being laid on furnace body exterior wall 1, is bonded between refractory brick by carbon clay, and outside refractory brick and furnace body
Wall 1 is bonded also by carbon clay, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;Described
The fire resistance and heat-proof quality of heat-resistant light carbon black refractory brick are substantially better than common refractory brick, are applied in graphitizing furnace
In wall, the thickness of furnace core two sides insulation material can be reduced, to save material cost, and the whole of furnace body is still can be improved and protects
Warm nature energy reduces heat loss, effectively improves energy utilization rate.
Embodiment 4
Difference from example 1 is that in a kind of production method of heat-resistant light carbon black refractory brick of the present embodiment
The step of four, molding procedure, the vibration moulding mode of use, i.e., by thickener move into vibrating forming machine mold in, mold seaming chuck
Thickener is compressed, opening molding machine by high-frequency vibration makes the thickener jolt ramming in mold, to form shaping blank, wherein mold
Size can according to actual needs with vibrating forming machine customization.
Other steps are identical as the production method in embodiment 1, and then can produce with good high temperature resistance,
And the fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to, and good can answer
In the furnace wall laying of graphitizing furnace, it is laid on outside furnace body as shown in Figure 1, the heat-resistant light carbon black refractory brick surrounds
It on the inner wall of wall 1, is bonded between refractory brick by carbon clay, and refractory brick and furnace body exterior wall 1 are also by carbon glue
Mud is bonded, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;The heat-resistant light carbon black is resistance to
The fire resistance and heat-proof quality of firebrick are substantially better than common refractory brick, are applied in graphitizing furnace interior wall, can reduce furnace core
The thickness of two sides insulation material to save material cost, and still can be improved the integral heat insulation performance of furnace body, reduce heat waste
It loses, effectively improves energy utilization rate.
Embodiment 5
With embodiment 2 the difference is that, in a kind of production method of heat-resistant light carbon black refractory brick of the present embodiment
The step of four, molding procedure, the vibration moulding mode of use, i.e., by thickener move into vibrating forming machine mold in, mold seaming chuck
Thickener is compressed, opening molding machine by high-frequency vibration makes the thickener jolt ramming in mold, to form shaping blank, wherein mold
Size can according to actual needs with vibrating forming machine customization.
Other steps are identical as the production method in embodiment 2, and then can produce with good high temperature resistance,
And the fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to, and good can answer
In the furnace wall laying of graphitizing furnace, it is laid on outside furnace body as shown in Figure 1, the heat-resistant light carbon black refractory brick surrounds
It on the inner wall of wall 1, is bonded between refractory brick by carbon clay, and refractory brick and furnace body exterior wall 1 are also by carbon glue
Mud is bonded, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;The heat-resistant light carbon black is resistance to
The fire resistance and heat-proof quality of firebrick are substantially better than common refractory brick, are applied in graphitizing furnace interior wall, can reduce furnace core
The thickness of two sides insulation material to save material cost, and still can be improved the integral heat insulation performance of furnace body, reduce heat waste
It loses, effectively improves energy utilization rate.
Embodiment 6
With embodiment 3 the difference is that, in a kind of production method of heat-resistant light carbon black refractory brick of the present embodiment
The step of four, molding procedure, the vibration moulding mode of use, i.e., by thickener move into vibrating forming machine mold in, mold seaming chuck
Thickener is compressed, opening molding machine by high-frequency vibration makes the thickener jolt ramming in mold, to form shaping blank, wherein mold
Size can according to actual needs with vibrating forming machine customization.
Other steps in embodiment 3 production method it is identical, and then can produce with good high temperature resistance,
And the fire resisting brick product with good thermal and insulating performance, 2200 DEG C or more high temperature are resistant to, and good can answer
In the furnace wall laying of graphitizing furnace, it is laid on outside furnace body as shown in Figure 1, the heat-resistant light carbon black refractory brick surrounds
It on the inner wall of wall 1, is bonded between refractory brick by carbon clay, and refractory brick and furnace body exterior wall 1 are also by carbon glue
Mud is bonded, to form furnace body interior wall 3, and conductive electrode 2 is arranged at furnace body both ends;The heat-resistant light carbon black is resistance to
The fire resistance and heat-proof quality of firebrick are substantially better than common refractory brick, are applied in graphitizing furnace interior wall, can reduce furnace core
The thickness of two sides insulation material to save material cost, and still can be improved the integral heat insulation performance of furnace body, reduce heat waste
It loses, effectively improves energy utilization rate.
Described in synthesis, the present invention in heat-resistant light carbon black refractory brick because in its ingredient insulate carbon black excellent speciality,
So that heat-resistant light carbon black refractory brick is in the absence of air conditions, the spy with long service life and excellent thermal insulation performance
Point;Verifying through having been done in small-scale test high temperature furnace, select heat-resistant light carbon black refractory brick of the invention, common fire resisting shape and
Common carbon block is under equal conditions warming up to 1600 DEG C, is then cooled to 30 DEG C, records various durations used, thermal insulation property
It is superior to common refractory brick and common carbon block, wherein the experimental data comparison of heat insulation effect is as follows:
Classification (is laid with) in test high temperature furnace | Time-consuming degree (comparison from 1600 DEG C be cooled to 30 DEG C used in the time) |
Heat-resistant light carbon black refractory brick of the invention | At most |
Common refractory brick | Most short (burning) |
Common carbon block | It is medium |
Wherein, common refractory brick can not be resistant to 1000 DEG C or more of high temperature, when experimental temperature reaches 1600 DEG C of high temperature,
Common refractory brick can be burnt, to lose heat insulation effect;And heat-resistant light carbon black refractory brick of the invention and common carbon block
Fire resisting effect it is good, long service life, from the point of view of heat insulation effect, the heat insulation effect of heat-resistant light carbon black refractory brick of the invention
More preferably.
It as above is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Verification process of the invention is stated, the scope of patent protection being not intended to limit the invention, scope of patent protection of the invention is still
It is subject to the claims, it is all to change with equivalent structure made by specification and accompanying drawing content of the invention, similarly
It should be included within the scope of the present invention.
Claims (10)
1. a kind of production method of heat-resistant light carbon black refractory brick, which is characterized in that successively include raw material preparation, kneading work
Sequence, cool material process, molding procedure, calcining process and manufacturing procedure totally six steps, and then a kind of heat-resistant light can be obtained
Carbon black refractory brick;Wherein raw material preparation is to carry out quality weighing to raw material, wherein raw material includes 65-70% exhausted as step 1
Edge carbon black, 25-30% sawdust and 5-10% pitch.
2. a kind of production method of heat-resistant light carbon black refractory brick according to claim 1, which is characterized in that described
Kneading process is that will insulate carbon black and sawdust is added in kneading machine as step 2,25-35 minutes dry-mixed, when dry-mixed temperature reaches
To after 80-110 DEG C, pitch is added, continues kneading 40-50 minutes, mixes well thickener, so that thickener temperature reaches 155-
165 DEG C, thickener is become to pinch from underflow state at this time rubs shapable state with the hands, and kneading terminates to paste out.
3. a kind of production method of heat-resistant light carbon black refractory brick according to claim 1, which is characterized in that described cool
Material process is that the thickener for completing rigid kneading is transferred in cooler as step 3, and stirring heat dissipation makes most of bitumen flue gas escape
Out, when thickener temperature is down to 115-130 DEG C, cool material terminates.
4. a kind of production method of heat-resistant light carbon black refractory brick according to claim 1, which is characterized in that it is described at
The vibration moulding mode of extrusion forming mode or use can be used as step 4 for type process, obtain molding embryo material.
5. a kind of production method of heat-resistant light carbon black refractory brick according to claim 4, which is characterized in that described
Extrusion forming mode is to move into thickener in single lead screw ex truding briquetting machine material room, is squeezed thickener by die mould mouth using the pressure that oil cylinder provides
Out, cutting becomes shaping blank after being expressed into specific length.
6. a kind of production method of heat-resistant light carbon black refractory brick according to claim 4, which is characterized in that described
Vibration moulding mode is to move into thickener in vibrating forming machine mold, and mold seaming chuck compresses thickener, opens molding machine, passes through height
Frequency vibration makes the thickener jolt ramming in mold, to form shaping blank.
7. a kind of production method of heat-resistant light carbon black refractory brick according to claim 1, which is characterized in that described
Calcining process is that shaping blank is fitted into roaster as step 5, and the spacing of shaping blank is 50-100mm, shaping blank
It is 100-150mm with furnace wall spacing, generates gap and filled up with insulation material;Can light a fire roasting after the completion of shove charge, and delay
It is 550-650 hours a length of when roasting, 1200-1250 DEG C of completion roasting is warming up to according to the heating curve of regulation.
8. a kind of production method of heat-resistant light carbon black refractory brick according to claim 1, which is characterized in that described
Manufacturing procedure is that roasting product is carried out size and shape by machining tool after roasting product is qualified on inspection as step 6
Cutting, is prepared into specific finished product refractory brick.
9. a kind of production method of heat-resistant light carbon black refractory brick, feature described in any one according to claim 1~9
It is, a kind of obtained heat-resistant light carbon black refractory brick can operate with the laying of graphitizing furnace interior wall.
10. a kind of production method of heat-resistant light carbon black refractory brick according to claim 9, which is characterized in that described
Bonding of the heat-resistant light carbon black refractory brick by the carbon clay and outer inner wall along graphitizing furnace is laid with.
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CN102786311A (en) * | 2012-07-23 | 2012-11-21 | 江苏苏润高碳材股份有限公司 | Preparation method for vertical type continuous graphitizing furnace carbon black brick |
CN104370500A (en) * | 2014-04-22 | 2015-02-25 | 天津锦美碳材科技发展有限公司 | Active-carbon thermal-insulation material and preparation method thereof |
CN105541350A (en) * | 2015-12-18 | 2016-05-04 | 江西云维飞虎化工有限公司 | Carbon black brick |
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2019
- 2019-08-29 CN CN201910806293.5A patent/CN110452001A/en active Pending
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GB976112A (en) * | 1961-06-23 | 1964-11-25 | Great Lakes Carbon Corp | Carbonaceous bodies useful for thermal insulation and processes for preparing same |
JPS60103009A (en) * | 1983-11-09 | 1985-06-07 | Tokai Carbon Co Ltd | Manufacture of carbonaceous material |
CN1944328A (en) * | 2006-08-04 | 2007-04-11 | 郑州华宇耐火材料有限公司 | Novel moulded light carbon brick and its producing method |
CN102786311A (en) * | 2012-07-23 | 2012-11-21 | 江苏苏润高碳材股份有限公司 | Preparation method for vertical type continuous graphitizing furnace carbon black brick |
CN104370500A (en) * | 2014-04-22 | 2015-02-25 | 天津锦美碳材科技发展有限公司 | Active-carbon thermal-insulation material and preparation method thereof |
CN105541350A (en) * | 2015-12-18 | 2016-05-04 | 江西云维飞虎化工有限公司 | Carbon black brick |
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