CN106083138A - A kind of quartziferous large size ceramic heat storage and preparation technology thereof - Google Patents
A kind of quartziferous large size ceramic heat storage and preparation technology thereof Download PDFInfo
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- CN106083138A CN106083138A CN201610426172.4A CN201610426172A CN106083138A CN 106083138 A CN106083138 A CN 106083138A CN 201610426172 A CN201610426172 A CN 201610426172A CN 106083138 A CN106083138 A CN 106083138A
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- heat storage
- quartziferous
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- size ceramic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9692—Acid, alkali or halogen resistance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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Abstract
A kind of quartziferous large size ceramic heat storage, it is characterized in that described heat storage is column structure, the duct of multiple through cylinder it is provided with inside heat storage, described heat storage is sintered by inorganic powder and additive and forms, and wherein inorganic powder is made up of the component of following weight proportion: quartz 15 20 parts, mullite 15 20 parts, cordierite 9 15 parts, Kaolin 7 13 parts, potassium feldspar 13 18 parts, silicon nitride 24 parts, boron nitride 35 parts, alpha-aluminium oxide 24 parts.The present invention has good processability and conformal performance.Using inventive formulation and production method, heat storage duct is intensive, and wall thickness is thin, and wall thickness is only 1mm, and sectional dimension is big, and sectional dimension is more than 100cm2, draw ratio is high, and length reaches 1000mm, the features such as it is little that all ducts have resistance, and dust stratification is few, is not easily blocked, and dust discharge is functional.
Description
Technical field
The invention belongs to industrial energy saving, emission abatement device field, particularly relate to a kind of quartziferous large size ceramic heat storage and
Its preparation technology.
Background technology
Regenerative combustion technology has obtained extensively application on industrial furnace, and one of its technological core is high-temperature heat accumulation honeycomb
Body.Heat accumulating type ceramic honey comb, due to good storage exothermicity, high-temperature behavior and thermal shock resistance, instead of traditional accumulation of heat
Formula bead, checker brick.During use, make high-temperature flue gas and cryogenic gas (such as air gas) the most in turn by commutation
By heat storage, make heat storage constantly absorb heat heat release, medium as heat exchange, reach the mesh of flue gas and air gas heat exchange
's.Detailed process is: when high-temperature flue gas is by heat storage, heat storage is heated to high temperature, and flue-gas temperature is through being greatly reduced heel row
Putting, now accumulation of heat is in heat storage;After commutation, Cryogenic air or coal gas flow through heat storage from opposite direction, heated paramount
Temperature, heat storage heat release is also lowered the temperature;Again after commutation, flue gas passes through heat storage, is heated by heat storage.So move in circles, it is achieved
The discharged at lower temperature of flue gas and heat energy recycle.
The heat exchange area of ceramic honey comb has direct relation with ceramic honey comb aperture and wall thickness.Ceramic honey comb product aperture is more
Little, wall thickness is the thinnest, surface area is the biggest, and heat exchange area is the biggest, and heat exchange efficiency is the highest.But in application process, there is a lot of reasons
Making heat storage to use, trace it to its cause, the most existing ceramic honey comb formula and processing technology are unreasonable, after causing burning till
Honeycomb ceramics anti-wear performance, decay resistance are the highest, size is little, length is short, aperture compared with big, wall thickness, global shape are irregular, mechanical
Intensity is the highest, the life-span is short.
When honeycomb ceramic body size is little, length in short-term, regenerator is assembled, between honeycomb ceramics by multiple little honeycomb ceramics
There is certain interval.Thus cause that the airflow hole between any two honeycomb ceramics is off and there is serious inconsistent phenomenon.
Dust in flue gas and the particulate matter staggered site deposition between honeycomb ceramics, last blocking airflow through hole.And existing honeycomb
Ceramic body is undesirable because of material, causes heat exchange efficiency to be also affected.
Summary of the invention
The present invention provides a kind of quartziferous large size ceramic heat storage and preparation technology thereof, in order to solve existing ceramic honey comb
Anti-wear performance, decay resistance are the highest, and shape is irregular, size is little, length is short, aperture is relatively big, wall thickness, easily blocks up during use
Plug flue, thermal waste are big, heat changes the technical problems such as efficiency is low, mechanical strength is the highest, the life-span is short.
In order to solve above technical problem, the technical solution used in the present invention is: a kind of quartziferous large size ceramic stores
Hot body, is characterized in that described heat storage is column structure, is provided with the duct of multiple through cylinder, described heat storage inside heat storage
Being sintered by inorganic powder and additive and form, wherein inorganic powder is made up of the component of following weight proportion: quartz 15-20
Part, mullite 15-20 part, cordierite 9-15 part, Kaolin 7-13 part, potassium feldspar 13-18 part, silicon nitride 2-4 part, boron nitride
3-5 part, alpha-aluminium oxide 2-4 part.
As preferably, the cross sectional shape of described heat storage is polygon, semicircle, circle, arch, fan-shaped one, institute
The cross sectional shape stating duct is polygon, semicircle, circle, arch, one or more fan-shaped combinations, described heat storage cross section
Circumscribed circle diameter >=150mm, cylinder length and cross section circumscribed circle diameter ratio >=3.
The preparation technology of a kind of quartziferous large size ceramic heat storage, its preparation technology is: (1) is dry mixed: first by inorganic
Powder adds in ball mill, is dry mixed 6~8 hours, crosses the screen cloth of 80 mesh;(2) doping, described additive component includes organic
Binding agent, plasticizer and wetting agent, by 100 parts of listed as parts by weight of inorganic powder, wherein organic binder bond is 2.0~5.0 weight
Part, plasticizer is 0.5~3.0 weight portions, and wetting agent is 0.5~3.0 weight portions;(3) mediate, add while stirring in kneader
Enter water and lubricant;(4) just practice: carry out pug on vacuum deairing machine just practicing, pug mill vacuum when just practicing >=-
0.05MPa, practices into closely knit pug block, detects the moisture content of pug block, index of plasticity;(5) old: pug block is placed in ring
Border be carry out in the ageing silo of 3 DEG C old, old time 5h, then enter in pug block is placed in the ageing silo that environment is 8~25 DEG C
Row is old, old time >=24h;(6) refine filtering: after vacuum extruding machine refine, relative vacuum degree be-
0.09MPa is carried out, then filters through filter;(7) horizontal vacuum extruder for shaping is used;(8) it is dried: initially with steaming
Vapour is fumigated 2 hours, can produce by pre-Anti-cracking, is then placed in microwave oven, microwave drying 15 minutes, is re-fed into air stove and uses heat
Air-dry dry 1 hour;(9) cutting, sintering: cut blank, then burns till, maximum sintering temperature in nitridation room
1600 DEG C, after firing time 96h, prepare finished product.
As preferably, the described process that carries out burning till in nitridation room is: be raised to 1400 DEG C from room temperature, programming rate 50
DEG C/min, it is incubated 2~2.5 hours at 1400 DEG C;Then it is raised to 1550~1600 DEG C from 1400 DEG C: programming rate 25 DEG C/minute
Clock, is incubated 2.5-3 hour at 1550~1600 DEG C.
As preferably, described organic binder bond is methylcellulose, hydroxyethyl cellulose, cyanethyl cellulose, hydroxypropyl
In cellulose, carboxymethyl cellulose, ethyl cellulose, polyvinyl alcohol, butyl silicate, vinyl acetate resin, modified starch one
Plant or multiple combination.
As preferably, described organic plasticizers is the compositions of polyethylene glycol oxide, polyvinyl alcohol.
As preferably, described wetting agent be Polyethylene Glycol, glycerol, butanediol, propylene glycol, hexylene glycol, xylitol, poly-the third two
One or more combinations in alcohol, Sorbitol.
As preferably, described lubricant is one or more combinations of vegetable oil, mineral oil, vaseline.
As preferably, during described step (4) is just practiced, the moisture content of described pug block, index of plasticity be: moisture content 28~
32%, extrusion force plasticity 1700~2200N.
As preferably, described heat storage upper surface is provided with at least one detent, described heat storage lower surface be provided with
The positioning convex strip that detent coordinates.
As preferably, described heat storage sidepiece is additionally provided with axial notch.
Along with organic binder bond, polyethylene glycol oxide, polyvinyl alcohol, the addition of wetting agent, and the old process of secondary, permissible
Ceramic powder is allowed to form mixing pug network the finest and close, uniform.
In dry run, first steam is fumigated 2 hours, can produce by pre-Anti-cracking, is then placed in microwave oven, microwave drying
Air stove can be re-fed into and uses hot air drying 1 hour with overall reduction pug moisture content, it is thus achieved that most suitable moisture content.This
Sample both can prevent wet base from not ftractureing in dry run as far as possible, plays a part again to reduce mud material forming pressure in molding.
The positioning convex strip of honeycomb ceramics coordinates with detent, is possible to prevent airflow hole between two honeycomb ceramics upper and lower end faces wrong
Position phenomenon occurs.The axial notch set up adds somewhat to the heat storage porosity, improves heat storage heat exchanger effectiveness.
The present invention has good processability and conformal performance.Using inventive formulation and production method, heat storage is strong
Degree is high, duct is intensive, and wall thickness is thin, and wall thickness is only 1mm, and sectional dimension is big, and sectional dimension is more than 100cm2, draw ratio is high, length
Reach more than 500mm, the features such as it is little that all ducts have resistance, and dust stratification is few, is not easily blocked, and dust discharge is functional.After installation permissible
The airflow hole inconsistent phenomenon being greatly decreased between two honeycomb ceramics is the most unimpeded along the passage of airflow direction.And heat storage stores
Exothermicity, anti-wear performance, corrosion resistance and good, thermal shock resistance is good, heat exchange efficiency is high, thus be economize on resources, green
The novel product of environmental protection.
Accompanying drawing explanation
Shown in Fig. 1 be cross section of the present invention be foursquare structural representation;
Shown in Fig. 2 be cross section of the present invention be rectangle, cross section, duct be hexagonal structural representation;
Shown in Fig. 3 be cross section of the present invention be the structural representation of arch;
Shown in Fig. 4 be cross section of the present invention be trapezoidal structural representation;
Shown in Fig. 5 be cross section of the present invention be rectangle, cross section, duct be foursquare structural representation;
Shown in Fig. 6 be cross section of the present invention be circular structural representation;
It it is structural representation during perpendicular positioning of the present invention shown in Fig. 7;
It it is structural representation during horizontal location of the present invention shown in Fig. 8.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in further detail.
As shown in Fig. 1,2,3,4,5,6, the cross sectional shape of this quartziferous large size ceramic heat storage is square, rectangle
Etc. polygonal one, or the one of the shape such as semicircle, circle, arch, sector.Heat storage sectional dimension >=150mm,
Draw ratio >=3(i.e. cylinder length L and cross section circumscribed circle diameter d ratio >=3), it is provided with size inside heat storage uniformly and in parallel
Or staggered duct 1, the shape in cross section, duct 1 selects according to the actual requirements: can be square, triangle, pentagon, six
Limit shapes etc. are polygonal a kind of or semicircle, circular, the combination of one or more various shapes of arch, sector.
As it is shown in fig. 7, heat storage upper surface is provided with at least one detent 2, described heat storage lower surface is provided with fixed
The positioning convex strip 3 that position groove 2 coordinates.Positioning convex strip 3 coordinates with detent 2, can allow upper and lower two pieces of heat storage accurate positionings,
Prevent airflow hole inconsistent phenomenon between two honeycomb ceramics upper and lower end faces from occurring.
Additionally, as shown in Figure 8, also can arrange axial notch 4 at heat storage sidepiece, allow between two honeycomb ceramics is the most recessed
Forming exhaust gases passes after groove 4 docking, this adds somewhat to the heat storage porosity, improves heat storage heat exchanger effectiveness.
Embodiment one:
The large size ceramic heat storage made, cross section is square;Its preparation technology is: (1) is dry mixed, and is first added by inorganic powder
Entering in ball mill, be dry mixed 4 hours, cross the screen cloth of 100 mesh, inorganic powder is made up of the component of following weight proportion: quartz 16
Part, mullite 17 parts, cordierite 10 parts, Kaolin 8 parts, potassium feldspar 14 parts, silicon nitride 2 parts, boron nitride 3 parts, alpha-aluminium oxide 2
Part;(2) doping, additive component is methylcellulose 2 weight portion, hydroxyethyl cellulose 1 weight portion, polyvinyl alcohol 1 weight
Amount part, polyethylene glycol oxide 1 weight portion, (PEG400) 2 weight portion;(3) mediate, kneader adds water while stirring
And lubricating oil, during kneading, after adding 400kg material, dividing 5 times while stirring and add water, water continues stirring 5 minutes and once after adding
Property add Oleum Verniciae fordii, after 20 minutes stop stirring;(4) just practice, carry out pug just practicing on vacuum deairing machine, pug mill when just practicing
Vacuum is-0.09MPa, practices into closely knit pug block, and pug block moisture content is 28~32%, extrusion force plasticity be 1700~
2200N;(5) old, carry out old in pug block is placed in the ageing silo that environment is 3 DEG C, old time 5h, then pug block is put
Carry out old in the ageing silo that environment is 8 DEG C, old time 26h;(6) refine, filters, then after vacuum extruding machine refine,
It is in-0.09MPa at relative vacuum degree and carries out, then filter through filter;(7) extrusion molding, is extruded at horizontal extruder
The wet base of 750mm length;(8) fumigate 2 hours initially with steam, be then placed in microwave oven, microwave drying 15 minutes, be re-fed into heat
Wind furnace uses hot air drying 1 hour;(9) cutting, sintering: cut blank, then burns till, first in nitridation room
It is raised to 1400 DEG C from room temperature, programming rate 50 DEG C/min, it is incubated 2~2.5 hours at 1400 DEG C;Then it is raised to from 1400 DEG C
1550~1600 DEG C: programming rate 25 DEG C/min, it is incubated 2.5-3 hour at 1550~1600 DEG C, prepares after firing time 96h
Finished product.
Performance indications: the size of finished product is 150mm × 150mm × 700mm.Resistant to sulfur acid attack rate 0.3wt%(GB/
T17601-2008);Specific heat capacity 880J/Kg;Water absorption rate 3%;Heat shock resistance temperature 385 DEG C;Compressive resistance (axially): 32.2MPa;
Wearability 0.35cm3.Finished product sectional dimension is big, and draw ratio is high, installs tailing edge airflow direction channels open, and resistance is little, and dust stratification is few.
Actually used show: because this honeycomb ceramic heat accumulator size is big, shape is regular, duct 1 para-position after installation, between honeycomb ceramics
Accurately, as long as connecting it is ensured that airway patency along generally 12 pieces honeycomb ceramic heat accumulators of airflow direction, whole accumulation of heat is allowed to fill
Storage exothermicity, high-temperature behavior and the thermal shock resistance put are not fully exerted.
Embodiment two:
The large size ceramic heat storage made, cross section is rectangle;Its preparation technology is: (1) is dry mixed, and is first added by inorganic powder
Entering in ball mill, be dry mixed 6 hours, cross the screen cloth of 80 mesh, inorganic powder includes the component of following weight proportion: quartz 17 parts,
Mullite 18 parts, cordierite 12 parts, Kaolin 10 parts, potassium feldspar 15 parts, silicon nitride 3 parts, boron nitride 4 parts, alpha-aluminium oxide 3 parts;
(2) doping, additive component is methylcellulose 2 weight portion, cyanethyl cellulose 1 weight portion, hydroxyethyl cellulose 1 weight
Amount part, polyvinyl alcohol 1 weight portion, polyethylene glycol oxide 1 weight portion, butanediol 2 weight portion;(3) mediate, limit stirring in kneader
Limit adds water and lubricating oil, during kneading, after adding 400kg material, divides 3 times while stirring and adds water, and water continues stirring 2 points after adding
Clock adds Oleum Verniciae fordii at twice, stops stirring after 30 minutes;(4) just practice, carry out pug just practicing, when just practicing on vacuum deairing machine
Pug mill vacuum is-0.08MPa, practices into closely knit pug block, and pug block moisture content is 28~32%, and extrusion force plasticity is
1700~2200N;(5) old pug block is placed in the ageing silo that environment is 3 DEG C in carry out old, old time 5h, then by mud
Material block carries out old in being placed in the ageing silo that environment is 12 DEG C, old time 24h;(6) refine, filters, then through vacuum extruding machine
After refine, it is in-0.08MPa at relative vacuum degree and carries out;(7) extrusion molding, is extruded into 1050mm length at horizontal extruder
Wet base;(8) fumigate 2 hours initially with steam, be then placed in microwave oven, microwave drying 15 minutes, be re-fed into air stove and use
Hot air drying 1 hour;(9) cutting, sintering: cut blank, then burns till, first from room temperature liter in nitridation room
To 1400 DEG C, programming rate 50 DEG C/min, it is incubated 2~2.5 hours at 1400 DEG C;Then it is raised to 1550~1600 from 1400 DEG C
DEG C: programming rate 25 DEG C/min, it is incubated 2.5-3 hour at 1550~1600 DEG C, after firing time 96h, prepares finished product.
Performance indications: the size of finished product is 200mm × 150mm × 1000mm.Resistant to sulfur acid attack rate 0.32wt%(GB/
T17601-2008);Specific heat capacity 882J/Kg;Water absorption rate 4%;Heat shock resistance temperature 385 DEG C;Compressive resistance (axially): 33.3MPa;
Wearability 0.32cm3.Finished product sectional dimension is big, and draw ratio is high, installs tailing edge airflow direction channels open, and resistance is little, and dust stratification is few.
Actually used show: because this honeycomb ceramic heat accumulator size is big, shape is regular, duct 1 para-position after installation, between honeycomb ceramics
Accurately, as long as connecting it is ensured that airway patency along generally 12 pieces honeycomb ceramic heat accumulators of airflow direction, whole accumulation of heat is allowed to fill
Storage exothermicity, high-temperature behavior and the thermal shock resistance put are not fully exerted.
Embodiment three:
The large size ceramic heat storage made, cross section is square;Its preparation technology is: (1) is dry mixed, and is first added by inorganic powder
Entering in ball mill, add in ball mill by required powder, be dry mixed 3 hours, cross the screen cloth of 80 mesh, inorganic powder includes following weight
The component of proportioning: quartz 18 parts, mullite 20 parts, cordierite 14 parts, Kaolin 12 parts, potassium feldspar 16 parts, silicon nitride 2 parts,
Boron nitride 4 parts, alpha-aluminium oxide 4 parts;(2) doping, additive component is methylcellulose 1 weight portion, cyanethyl cellulose 2
Weight portion, polyvinyl alcohol 1 weight portion, polyethylene glycol oxide 1 weight portion, polypropylene glycol 2 weight portion;(3) mediate, limit in kneader
Stirring limit adds water and lubricating oil, during kneading, after adding 400kg material, is initially charged the water of half, continues stirring 5 after stirring 15min
Add the Oleum Brassicae campestris of half after minute, after spending 5 minutes, add remaining water and Oleum Brassicae campestris, after 20 minutes, stop stirring;(4)
Just practicing, carry out pug just practicing on vacuum deairing machine, when just practicing, pug mill vacuum is-0.08MPa, practices into closely knit pug
Block, pug block moisture content is 28~32%, and extrusion force plasticity is 1700~2200N;(5) old, it is 3 that pug block is placed in environment
DEG C ageing silo in carry out old, old time 5h, then carry out in pug block is placed in the ageing silo that environment is 20 DEG C old, old
Rotten time 26h;(6) refine, filters, then after vacuum extruding machine refine, is in-0.09MPa at relative vacuum degree and carries out, then
Filter through filter;(7) extrusion molding, is extruded into the wet base of 880mm length at horizontal extruder;(8) 2 are fumigated initially with steam little
Time, it is then placed in microwave oven, microwave drying 15 minutes, is re-fed into air stove and uses hot air drying 1 hour;(9) cutting, sintering:
Blank is cut, then burns till in nitridation room, be first raised to 1400 DEG C from room temperature, programming rate 50 DEG C/min,
It is incubated 2~2.5 hours at 1400 DEG C;Then it is raised to 1550~1600 DEG C from 1400 DEG C: programming rate 25 DEG C/min, 1550
~1600 DEG C be incubated 2.5-3 hour, after firing time 96h prepare finished product.
Performance indications: the size of finished product is 150mm × 150mm × 800mm.Resistant to sulfur acid attack rate 0.31wt%(GB/
T17601-2008);Specific heat capacity 885J/Kg;Water absorption rate 3%;Heat shock resistance temperature 385 DEG C;Compressive resistance (axially): 32.5MPa;
Wearability 0.34cm3.Finished product sectional dimension is big, and draw ratio is high, installs tailing edge airflow direction channels open, and resistance is little, and dust stratification is few.
Actually used show: because this honeycomb ceramic heat accumulator size is big, shape is regular, duct 1 para-position after installation, between honeycomb ceramics
Accurately, as long as connecting it is ensured that airway patency along generally 12 pieces honeycomb ceramic heat accumulators of airflow direction, whole accumulation of heat is allowed to fill
Storage exothermicity, high-temperature behavior and the thermal shock resistance put are not fully exerted.
Embodiment four:
The large size ceramic heat storage cross section made, square;Its preparation technology is: (1) is dry mixed, and is first added by inorganic powder
Entering in ball mill, add in ball mill by required powder, be dry mixed 6 hours, cross the screen cloth of 120 mesh, inorganic powder includes following heavy
The component of amount proportioning: quartz 20 parts, mullite 19 parts, cordierite 15 parts, Kaolin 12 parts, potassium feldspar 18 parts, silicon nitride 4
Part, boron nitride 5 parts, alpha-aluminium oxide 4 parts;(2) doping, additive component is hydroxyethyl cellulose 3 weight portion, polyvinyl alcohol 1
Weight portion, polyethylene glycol oxide 1 weight portion, (PEG400) 2 weight portion;(3) mediate, add while stirring in kneader
Water and lubricating oil, during kneading, after adding 400kg material, disposably add water after stirring 20min, add institute after continuing stirring 5 minutes
Some Oleum Brassicae campestriss, stopped stirring after mediating 30 minutes;(4) just practice, carry out pug just practicing, when just practicing on vacuum deairing machine
Pug mill vacuum is-0.08MPa, practices into closely knit pug block, and pug block moisture content is 28~32%, and extrusion force plasticity is
1700~2200N;(5) old, carry out old in pug block is placed in the ageing silo that environment is 3 DEG C, old time 5h, then by mud
Material block carries out old in being placed in the ageing silo that environment is 25 DEG C, old time 29h;(6) refine, filters, then through vacuum extruding machine
After refine, it is in-0.06MPa at relative vacuum degree and carries out, then filter through filter;(7) extrusion molding, at horizontal extruder
It is extruded into the wet base of 1080mm length;(8) fumigate 2 hours initially with steam, be then placed in microwave oven, microwave drying 15 minutes, then
Send into air stove and use hot air drying 1 hour;(9) cutting, sintering: cut blank, then burns in nitridation room
Become, be first raised to 1400 DEG C from room temperature, programming rate 50 DEG C/min, it is incubated 2~2.5 hours at 1400 DEG C;Then from 1400
DEG C it is raised to 1550~1600 DEG C: programming rate 25 DEG C/min, is incubated 2.5-3 hour at 1550~1600 DEG C, firing time 96h
Rear prepared finished product.
Performance indications: the size of finished product is 150mm × 150mm × 1000mm.Resistant to sulfur acid attack rate 0.32wt%(GB/
T17601-2008);Specific heat capacity 886J/Kg;Water absorption rate 4%;Heat shock resistance temperature 385 DEG C;Compressive resistance (axially): 31.9MPa;
Wearability 0.38cm3.Finished product sectional dimension is big, and draw ratio is high, installs tailing edge airflow direction channels open, and resistance is little, and dust stratification is few.
Actually used show: because this honeycomb ceramic heat accumulator size is big, shape is regular, duct 1 para-position after installation, between honeycomb ceramics
Accurately, as long as connecting it is ensured that airway patency along generally 12 pieces honeycomb ceramic heat accumulators of airflow direction, whole accumulation of heat is allowed to fill
Storage exothermicity, high-temperature behavior and the thermal shock resistance put are not fully exerted.
Comparative example 1: the production method of novel heat-storing material comprises the following steps:
To ceramic powder (potassium feldspar 25%, mullite 65%, Kaolin 8%, α-Al2032%) in 75.5 parts (10 grams every part, lower same)
Add Ludox 3 parts, carboxymethyl cellulose 2 parts, ammonium chloride solution 0.1 part, glycerol 2 parts and 12 parts of water and carry out mixing, make mud
Material;By pug by mould extrusion molding, make blank;Blank is dried, fire 12 in 1500 DEG C in sending into tunnel cave little
Time, get product.
Ceramic honey comb embodiment 1-4 obtained and existing product carry out contrast test, and experimental result is as shown in the table:
Finally it is pointed out that above detailed description of the invention is only the more representational example of the present invention.Obviously, the present invention does not limits
In above-mentioned detailed description of the invention, it is also possible to there are many deformation.Every technical spirit according to the present invention is to above specific embodiment party
Any simple modification, equivalent variations and the modification that formula is made, is all considered as belonging to protection scope of the present invention.
Claims (10)
1. a quartziferous large size ceramic heat storage, is characterized in that described heat storage is column structure, is provided with inside heat storage
The duct of multiple through cylinders, described heat storage is sintered by inorganic powder and additive and forms, and wherein inorganic powder is by following heavy
The component composition of amount proportioning: quartz 15-20 part, mullite 15-20 part, cordierite 9-15 part, Kaolin 7-13 part, potassium feldspar
13-18 part, silicon nitride 2-4 part, boron nitride 3-5 part, alpha-aluminium oxide 2-4 part.
Quartziferous large size ceramic heat storage the most according to claim 1, is characterized in that the cross sectional shape of described heat storage
For polygon, semicircle, circle, arch, fan-shaped one, the cross sectional shape in described duct be polygon, semicircle, circle,
Arch, one or more fan-shaped combinations, described heat storage cross section circumscribed circle diameter >=150mm, cylinder length is external with cross section
Circular diameter ratio >=3.
3. produce a preparation technology for quartziferous large size ceramic heat storage described in claim 2, it is characterized in that described preparation
Technique is: (1) is dry mixed: first add in ball mill by inorganic powder, is dry mixed 6~8 hours, crosses the screen cloth of 80 mesh;(2) interpolation is added
Agent, described additive component includes organic binder bond, plasticizer and wetting agent, by 100 parts of listed as parts by weight of inorganic powder, wherein
Organic binder bond is 2.0~5.0 weight portions, and plasticizer is 0.5~3.0 weight portions, and wetting agent is 0.5~3.0 weight portions;(3)
Mediate, kneader adds water and lubricant while stirring;(4) just practice: carry out pug on vacuum deairing machine just practicing, just
Pug mill vacuum >=-0.05MPa when practicing, practices into closely knit pug block, detects the moisture content of pug block, index of plasticity;(5)
Old: to carry out old in pug block is placed in the ageing silo that environment is 3 DEG C, old time 5h, then pug block is placed in environment is 8
~carry out old in the ageing silo of 25 DEG C, old time >=24h;(6) refine filtering: after vacuum extruding machine refine, in phase
Vacuum is in-0.09MPa and carries out, then filter through filter;(7) horizontal vacuum extruder for shaping is used;(8) dry
Dry: to fumigate 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave oven, microwave drying 15 minutes, then send
Enter air stove and use hot air drying 1 hour;(9) cutting, sintering: blank is cut, then burn till in nitridation room,
Maximum sintering temperature 1600 DEG C, prepares finished product after firing time 96h.
The preparation technology of quartziferous large size ceramic heat storage the most according to claim 3, is characterized in that described in nitridation
The process carrying out in room burning till is: be raised to 1400 DEG C from room temperature, programming rate 50 DEG C/min, little 1400 DEG C of insulations 2~2.5
Time;Then it is raised to 1550~1600 DEG C from 1400 DEG C: programming rate 25 DEG C/min, little at 1550~1600 DEG C of insulation 2.5-3
Time.
The preparation technology of quartziferous large size ceramic heat storage the most according to claim 3, is characterized in that described organic viscous
Knot agent is methylcellulose, hydroxyethyl cellulose, cyanethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, ethyl cellulose
One or more combinations in element, polyvinyl alcohol, butyl silicate, vinyl acetate resin, modified starch.
The preparation technology of quartziferous large size ceramic heat storage the most according to claim 3, is characterized in that described organic increasing
Mould the compositions that agent is polyethylene glycol oxide, polyvinyl alcohol.
The preparation technology of quartziferous large size ceramic heat storage the most according to claim 3, is characterized in that described wetting agent
For one or more groups in Polyethylene Glycol, glycerol, butanediol, propylene glycol, hexylene glycol, xylitol, polypropylene glycol, Sorbitol
Close;Described lubricant is one or more combinations of vegetable oil, mineral oil, vaseline.
The preparation technology of quartziferous large size ceramic heat storage the most according to claim 3, is characterized in that described step (4)
In just practicing, the moisture content of described pug block, index of plasticity be: moisture content 28~32%, extrusion force plasticity 1700~2200N.
Quartziferous large size ceramic heat storage the most according to claim 1 and 2, is characterized in that described heat storage upper surface sets
At least one detent, described heat storage lower surface is had to be provided with the positioning convex strip coordinated with detent.
Quartziferous large size ceramic heat storage the most according to claim 1 and 2, is characterized in that described heat storage sidepiece also
It is provided with axial notch.
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CN201510375899.XA Pending CN104987077A (en) | 2015-06-27 | 2015-06-27 | Novel honeycomb ceramic heat accumulator and preparation technology |
CN201610426165.4A Withdrawn CN106083136A (en) | 2015-06-27 | 2016-06-16 | A kind of silicon carbide large size ceramic heat storage and preparation technology thereof |
CN201610426182.8A Withdrawn CN106083139A (en) | 2015-06-27 | 2016-06-16 | A kind of TiC matter large size ceramic heat storage and preparation technology thereof |
CN201610426734.5A Withdrawn CN106083141A (en) | 2015-06-27 | 2016-06-16 | A kind of zirconium oxide large size ceramic heat storage and preparation technology thereof |
CN201610425796.4A Withdrawn CN106083135A (en) | 2015-06-27 | 2016-06-16 | A kind of metallic large size ceramic heat storage and preparation technology thereof |
CN201610426736.4A Withdrawn CN106083142A (en) | 2015-06-27 | 2016-06-16 | A kind of aluminum-titanate-based large size ceramic heat storage and preparation technology thereof |
CN201610425765.9A Withdrawn CN106083134A (en) | 2015-06-27 | 2016-06-16 | A kind of alpha-aluminium oxide matter large size ceramic heat storage and preparation technology thereof |
CN201610425786.0A Withdrawn CN106431383A (en) | 2015-06-27 | 2016-06-16 | Spinel large-specification ceramic heat accumulator and preparation technology thereof |
CN201610426731.1A Withdrawn CN106083140A (en) | 2015-06-27 | 2016-06-16 | A kind of large size ceramic heat storage adding chopped fiber and preparation technology thereof |
CN201610426172.4A Withdrawn CN106083138A (en) | 2015-06-27 | 2016-06-16 | A kind of quartziferous large size ceramic heat storage and preparation technology thereof |
CN201610426171.XA Withdrawn CN106083137A (en) | 2015-06-27 | 2016-06-16 | A kind of spodumene matter large size ceramic heat storage and preparation technology thereof |
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CN201610426165.4A Withdrawn CN106083136A (en) | 2015-06-27 | 2016-06-16 | A kind of silicon carbide large size ceramic heat storage and preparation technology thereof |
CN201610426182.8A Withdrawn CN106083139A (en) | 2015-06-27 | 2016-06-16 | A kind of TiC matter large size ceramic heat storage and preparation technology thereof |
CN201610426734.5A Withdrawn CN106083141A (en) | 2015-06-27 | 2016-06-16 | A kind of zirconium oxide large size ceramic heat storage and preparation technology thereof |
CN201610425796.4A Withdrawn CN106083135A (en) | 2015-06-27 | 2016-06-16 | A kind of metallic large size ceramic heat storage and preparation technology thereof |
CN201610426736.4A Withdrawn CN106083142A (en) | 2015-06-27 | 2016-06-16 | A kind of aluminum-titanate-based large size ceramic heat storage and preparation technology thereof |
CN201610425765.9A Withdrawn CN106083134A (en) | 2015-06-27 | 2016-06-16 | A kind of alpha-aluminium oxide matter large size ceramic heat storage and preparation technology thereof |
CN201610425786.0A Withdrawn CN106431383A (en) | 2015-06-27 | 2016-06-16 | Spinel large-specification ceramic heat accumulator and preparation technology thereof |
CN201610426731.1A Withdrawn CN106083140A (en) | 2015-06-27 | 2016-06-16 | A kind of large size ceramic heat storage adding chopped fiber and preparation technology thereof |
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CN104987077A (en) * | 2015-06-27 | 2015-10-21 | 湖北神雾热能技术有限公司 | Novel honeycomb ceramic heat accumulator and preparation technology |
JP6654085B2 (en) * | 2016-03-31 | 2020-02-26 | 日本碍子株式会社 | Porous material, method for producing porous material, and honeycomb structure |
JP6460435B2 (en) * | 2016-06-22 | 2019-01-30 | Dic株式会社 | Thermal storage laminate |
CN106986660B (en) * | 2017-01-20 | 2020-04-07 | 江西新科环保股份有限公司 | Oil-free honeycomb ceramic heat accumulator and preparation method thereof |
CN106977174B (en) * | 2017-04-01 | 2019-11-26 | 武汉理工大学 | A method of honeycomb ceramic heat accumulator is prepared using graphite tailing |
CN107522478A (en) * | 2017-08-24 | 2017-12-29 | 广州普华灵动机器人技术有限公司 | Ceramic burner process for making and ceramic burner |
CN107879752A (en) * | 2017-11-21 | 2018-04-06 | 常州市好利莱光电科技有限公司 | A kind of preparation method of the low apparent porosity honeycomb ceramic heat accumulator of high temperature resistant |
CN108531141B (en) * | 2018-06-11 | 2021-03-02 | 哈尔滨工业大学 | Preparation method of composite phase change energy storage material with organic matter filled with ordered pore alumina template |
CN111958762A (en) * | 2020-09-03 | 2020-11-20 | 赣州艺佳兴陶瓷有限公司 | Method for manufacturing ceramic body by using ceramic waste |
CN112225578A (en) * | 2020-11-13 | 2021-01-15 | 广州市怡森环保设备有限公司 | Honeycomb activated alumina product and preparation method thereof |
CN112479695A (en) * | 2020-12-08 | 2021-03-12 | 湖北省轻工业科学研究设计院有限公司 | High-performance honeycomb ceramic heat accumulator and preparation method thereof |
CN112457023A (en) * | 2020-12-23 | 2021-03-09 | 湖州浩通电子科技有限公司 | High-energy-storage-density solar energy storage ceramic material |
CN112457022A (en) * | 2020-12-23 | 2021-03-09 | 湖州浩通电子科技有限公司 | Thermal shock resistant high-energy-storage-density solar energy storage ceramic material |
CN113528896B (en) * | 2021-06-10 | 2021-12-31 | 暨南大学 | Nano carbon-aluminum composite heat conduction material and application thereof in preparation of high-power LED light source radiator |
CN113443924B (en) * | 2021-09-02 | 2021-11-26 | 广东欧文莱陶瓷有限公司 | Ceramic sheet and preparation method thereof |
CN114477991A (en) * | 2022-02-21 | 2022-05-13 | 河南瓦勒希新材料有限公司 | Method for preparing heat accumulator by utilizing solid waste aluminum ash |
KR20240006995A (en) * | 2022-07-07 | 2024-01-16 | 한국에너지기술연구원 | Development of high durable heat storage molding platform in repetitive hydration-dehydration cycles |
CN117720334B (en) * | 2024-01-30 | 2024-05-14 | 山东奥福环保科技股份有限公司 | High-porosity, thin-wall and high-strength honeycomb ceramic and preparation method and application thereof |
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JP5439089B2 (en) * | 2009-08-18 | 2014-03-12 | 日本碍子株式会社 | Manufacturing method of honeycomb structure |
JP2011058750A (en) * | 2009-09-11 | 2011-03-24 | Sumitomo Electric Ind Ltd | Heat accumulator and method for manufacturing heat accumulator |
CN104291831A (en) * | 2014-08-31 | 2015-01-21 | 湖北神雾热能技术有限公司 | Super-large specification honeycomb ceramic heat retainer forming agent |
CN104987077A (en) * | 2015-06-27 | 2015-10-21 | 湖北神雾热能技术有限公司 | Novel honeycomb ceramic heat accumulator and preparation technology |
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- 2016-06-16 CN CN201610426165.4A patent/CN106083136A/en not_active Withdrawn
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- 2016-06-16 CN CN201610426734.5A patent/CN106083141A/en not_active Withdrawn
- 2016-06-16 CN CN201610425796.4A patent/CN106083135A/en not_active Withdrawn
- 2016-06-16 CN CN201610426736.4A patent/CN106083142A/en not_active Withdrawn
- 2016-06-16 CN CN201610425765.9A patent/CN106083134A/en not_active Withdrawn
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CN106083140A (en) | 2016-11-09 |
CN106083137A (en) | 2016-11-09 |
CN106083135A (en) | 2016-11-09 |
CN106083142A (en) | 2016-11-09 |
CN106083136A (en) | 2016-11-09 |
CN106083139A (en) | 2016-11-09 |
CN104987077A (en) | 2015-10-21 |
CN106083141A (en) | 2016-11-09 |
CN106083134A (en) | 2016-11-09 |
CN106431383A (en) | 2017-02-22 |
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