CN106045522A - Nonmetal material tray for refuse pyrolysis furnace rotating bed and preparation method thereof - Google Patents

Nonmetal material tray for refuse pyrolysis furnace rotating bed and preparation method thereof Download PDF

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Publication number
CN106045522A
CN106045522A CN201610385994.2A CN201610385994A CN106045522A CN 106045522 A CN106045522 A CN 106045522A CN 201610385994 A CN201610385994 A CN 201610385994A CN 106045522 A CN106045522 A CN 106045522A
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charging tray
nonmetal
pyrolysis furnace
pug
inorganic powder
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吴道君
李军营
杨晓波
王伟
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Hubei Shenwu Thermal Energy Technology Co Ltd
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Hubei Shenwu Thermal Energy Technology Co Ltd
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/636—Polysaccharides or derivatives thereof
    • C04B35/6365—Cellulose or derivatives thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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Abstract

The invention discloses a nonmetal material tray for a refuse pyrolysis furnace rotating bed. The nonmetal material tray is characterized by including an inorganic powder material and an additive, wherein 100 parts of the inorganic powder material include, by weight, 3.0-5.0 parts of organic binder and 1.0-3.0 parts of plasticizer and moisturizing agent, the inorganic powder material contains, by weight, silicon carbide 60%-70%, silicon powder 10%-30%, silicon nitride 4%-15%, alumina micro-powder 2%-8%, silica 2%-5% and calcium oxide 1.0%-2.5%. The nonmetal material tray is resistant to corrosion of acidic impurities in refuse, erosion and abrasion, good in thermal shock resistance, good in thermal conducting performance, small in expansion coefficient, light in weight, low in energy consumption and the like when the refuse pyrolysis furnace rotating bed disposes the refuse at high temperature, the service life of the refuse pyrolysis furnace rotating bed is ensured, and a series of problems caused by cracking, deformation, corrosion, abrasion and the like of the refuse pyrolysis furnace rotating bed are avoided.

Description

A kind of garbage pyrolysis furnace revolving bed nonmetal charging tray and preparation method thereof
Technical field
The present invention relates to garbage pyrolysis furnace, particularly a kind of garbage pyrolysis furnace revolving bed high intensity, height wear-resistant, resistance to Warm, corrosion-resistant, good heat conductivity, thermal shock resistance are strong, the garbage pyrolysis furnace revolving bed of light weight and length in service life is with nonmetal Charging tray and preparation method thereof.
Background technology
Urban garbage disposal is one of main Environmental Problems of facing of our times various countries, is also that current China highlights Environmental problem.Along with the fast development of China's economy, the substantial increase of urban population, the expanding day of city size and the people Improving constantly of living standard, Output of Domestic Waste increases year by year, is inevitably generated substantial amounts of garbage emission.Nineteen ninety-five After, China's domestic waste year amount of clearing is all more than 100,000,000 tons, and with the speed increment of annual about 3%.As to rubbish Deal with improperly, it will environment is caused huge harm；Land occupation, contaminated soil, polluted underground water resource, affect air Quality, atmosphere pollution, spread disease, affect environmental health and residents ' health etc..Innoxious, recycling treatment house refuse is city City's problem demanding prompt solution.
The main way being presently used for processing house refuse is to burn, but rubbish produces secondary pollution in burning disposal Problem is serious, and especially two English pollution problems are difficult to thoroughly solve.Garbage pyrolysis furnace is intended to process refuse pyrolysis obtain The liquid of high heating value, gas and solid fuel, becoming soot is " efficiency oil, gas, coalfield ", compares other processing method, advantage Being: substantially produce without two English, sour gas generation amount is little, can obtain the high heating value energy being easy to store, transport, utilize Source, the flue dust of processing procedure discharge is few, and the nuisance major part such as sulfur and heavy metal solidifies, and will not enter air.Conventional rubbish burns Burning stove charging tray is heat resisting cast steel, but in actual waste incineration is applied, uses under long high temperature, and it is easily by rubbish The acidic materials produced in heating process are corroded, and price is higher, and charging tray own wt is big, and crossbeam supporting power is high, kinetic force Consumption strengthens, and greatly have impact on its serviceability.
Summary of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned prior art to provide a kind of garbage pyrolysis furnace revolving bed Nonmetal charging tray, this charging tray has high intensity when can ensure that and at high temperature process rubbish, and heat conductivility is good, non-oxidizability Good, the corrosion of various acid impurities in resistance to rubbish, and light weight, power consumption is little, moderate, improves charging tray service life While reduce Master Cost and energy consumption.
Another object of the present invention is to provide a kind of nonmetal charging tray preparation method of garbage pyrolysis furnace revolving bed.
It is an object of the invention to be achieved through the following technical solutions:
The nonmetal charging tray of the present invention, this charging tray includes that inorganic powder and additive, described additive include organic binder bond, plasticising Agent and wetting agent, by 100 parts of listed as parts by weight of inorganic powder, wherein organic binder bond is 3.0～5.0 weight portions, plasticizer and Wetting agent is 1.0～3.0 weight portions, and described inorganic powder includes the component of following weight proportion: carborundum 60%～70%, silica flour 10%～30%, silicon nitride 4%～15%, alumina powder 2%～8%, silicon dioxide 2%～5%, calcium oxide 1.0%～2.5%.
As preferably, described inorganic powder includes boron nitride 1.0%～2.5%.
As preferably, described organic binder bond is hydroxyethyl cellulose or methylcellulose and cyanethyl cellulose, poly-second The compositions of enol, a combination thereof is than for 2:1:1.
As preferably, described plasticizer is polyethylene glycol oxide.
As preferably, described wetting agent is the one in PEG400, polyethylene glycol 1500, glycerol.
As preferably, described additive also includes the water as solvent.
A kind of garbage pyrolysis furnace revolving bed preparation method of nonmetal charging tray, comprises the following steps:
1., after being premixed with binding agent, plasticizer and wetting agent solid material by nonmetal charging tray inorganic powder, put into mixing roll In add water while stirring, mixing time be more than 15min, mixing one-tenth pug moisture content be 5%～8% pug standby；
2. carry out pug just practicing on vacuum deairing machine, pug mill vacuum >=-0.08MPa when just practicing, practice into closely knit mud Material block；
3. carrying out old in pug block is placed in the ageing silo that environment is 3 DEG C, old time 5h, pug block is placed in environment is Carry out old in the ageing silo of 20～25 DEG C, old time 24h, then through vacuum refining, be 600～800 kgf/ at pressure cm2It is pressed into the charging tray base substrate of required specification；
4. the charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave Stove, microwave drying 15 minutes, it is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature Stand 10 hours, be to slowly warm up at 110 DEG C again be dried 32h；
Dried charging tray base substrate is burnt till in nitridation room by 5, and maximum sintering temperature is 1450 DEG C, after firing time 96h Prepare finished product.
Beneficial effects of the present invention: the carborundum of the certain proportioning of nonmetal charging tray employing in the present invention, silica flour, silicon nitride, Alumina powder, silicon dioxide and calcium oxide are by burning till after bonding agent adhesion in nitridation room, and carborundum is due to chemistry Stable performance, heat conductivity is high, thermal coefficient of expansion is little, anti-wear performance good, in order to the high grade refractory made, resistance to thermal shock, body Amass little, lightweight and intensity is high, good energy-conserving effect；Silicon nitride is a kind of important structural ceramic material.It is a kind of superhard thing Matter, itself has lubricity, and wear-resistant；Silica flour can improve intensity and the durability of product；In the present invention, charging tray can be protected Card has high intensity when at high temperature processing rubbish, and heat conductivility is good, good in oxidation resistance, various acid impurities in resistance to rubbish Corrosion, and light weight, power consumption is little, moderate, reduce while improve charging tray service life Master Cost and Energy consumption.
Accompanying drawing explanation
Fig. 1 is the nonmetal charging tray of the garbage pyrolysis furnace revolving bed main TV structure schematic diagram that the present invention relates to.
Fig. 2 is the nonmetal charging tray left view structural representation of garbage pyrolysis furnace revolving bed that the present invention relates to.
Detailed description of the invention
Combine accompanying drawing 1 below by embodiment and technical scheme be described in further detail by accompanying drawing 2, But embodiment of the present invention is not limited to this.
Fig. 1, reference 1 is nonmetal charging tray body in 2.
Embodiment 1
The nonmetal charging tray of garbage pyrolysis furnace revolving bed, takes carborundum 60%, silica flour 17%, silicon nitride 15%, aluminium oxide by weight Micropowder 4%, silicon dioxide 3%, calcium oxide 1%, premix as inorganic powder, add according to inorganic powder 100 listed as parts by weight additive Amount, in additive, organic binder bond ethyl cellulose CMC accounts for 3.5 weight portions, plasticizer 1-1.5 weight portion, wetting agent 1-1.5 Weight portion, water is 6 weight portions.During preparation, after the solid material premix 2h such as inorganic powder and binding agent, plasticizer, wetting agent, put Enter in mixing roll and add water while stirring, mixing time be more than 15min, mixing one-tenth moisture content be 5% pug standby；Pug is existed Carrying out on vacuum deairing machine just practicing, when just practicing, pug mill vacuum is-0.08MPa, makes the most closely knit pug block；By pug Block carries out old in being placed in the ageing silo that environment is 3 DEG C, old time 5h, and it is 20～25 DEG C old that pug block is placed in environment Indoor carry out old, old time 24h, then through vacuum refining, be 600～800 kgf/cm at pressure2It is pressed into required rule The charging tray base substrate of lattice；Charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, then put Enter microwave oven, microwave drying 15 minutes, be re-fed into sending in hothouse, be to slowly warm up at 105 DEG C, hot air drying 22h, cooling Stand 10 hours to room temperature, be to slowly warm up at 110 DEG C again be dried 32h；Dried charging tray is burnt till in nitridation room, Maximum sintering temperature is 1450 DEG C, prepares into nonmetal charging tray 1 after firing time 96h, and this nonmetal charging tray 1 overall diameter is 12765mm, interior diameter is 7185mm, and thickness is 20mm.Heat shock resistance frequency >=50 time/24h；Heat conductivity >=50(W/ M.k)；Thermal coefficient of expansion≤4.5(10-6/k)；Comprcssive strength 280(MPa) (800 DEG C)；Rupture strength 52(MPa) (800 DEG C)； Refractoriness under load >=1700 DEG C (0.3Mpa).
Embodiment 2
The nonmetal charging tray of garbage pyrolysis furnace revolving bed, takes carborundum 60%, silica flour 22%, silicon nitride 10%, aluminium oxide by weight Micropowder 4.0%, silicon dioxide 3.0%, calcium oxide 1.0%, premix as inorganic powder, add according to inorganic powder 100 listed as parts by weight Agent addition, in additive, organic binder bond ethyl cellulose CMC accounts for 3.5 weight portions, plasticizer 1-1.5 weight portion, wetting agent 1-1.5 weight portion, water is 7 weight portions.
During preparation, after the solid material premix 2h such as inorganic powder and binding agent, plasticizer, wetting agent, put in mixing roll Add water while stirring, mixing time be more than 15min, mixing one-tenth moisture content be 8% pug standby；By pug at vacuum deairing machine On carry out just practicing, when just practicing, pug mill vacuum is-0.08MPa, makes the most closely knit pug block；Pug block is placed in environment Be carry out in the ageing silo of 3 DEG C old, old time 5h, carry out old in pug block is placed in the ageing silo that environment is 20～25 DEG C Corruption, old time 24h, then through vacuum refining, be 600～800 kgf/cm at pressure2It is pressed into the charging tray base of required specification Body；Charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave oven, micro- Ripple is dried 15 minutes, is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature and stands 10 hours, again be to slowly warm up at 110 DEG C be dried 32h；Dried charging tray is burnt till in nitridation room, the highest burns till temperature Degree is 1450 DEG C, prepares into nonmetal charging tray 1 after firing time 96h, and this nonmetal charging tray 1 overall diameter is 12765mm, interior diameter For 7185mm, thickness is 20mm.Heat shock resistance frequency >=50 time/24h；Heat conductivity >=50(W/m.k)；Thermal coefficient of expansion≤ 4.5(10-6/k)；Comprcssive strength 283(MPa) (800 DEG C)；Rupture strength 55(MPa) (800 DEG C)；Refractoriness under load >=1700 DEG C (0.3Mpa).
Embodiment 3
Take carborundum 63%, silica flour 18%, silicon nitride 6.0%, alumina powder 7.0%, silicon dioxide 4.0%, calcium oxide by weight 2.0%, premix as inorganic powder, according to inorganic powder 100 listed as parts by weight additive addition, in additive, organic binder bond Ethyl cellulose CMC accounts for 3.5 weight portions, plasticizer 1-1.5 weight portion, wetting agent 1-1.5 weight portion, and water is 8 weight portions.
During preparation, after the solid material premix 2h such as inorganic powder and binding agent, plasticizer, wetting agent, put in mixing roll Add water while stirring, mixing time be more than 15min, mixing one-tenth moisture content be 7% pug standby；By pug at vacuum deairing machine On carry out just practicing, when just practicing, pug mill vacuum is-0.09MPa, makes the most closely knit pug block；Pug block is placed in environment Be carry out in the ageing silo of 3 DEG C old, old time 5h, carry out old in pug block is placed in the ageing silo that environment is 20～25 DEG C Corruption, old time 24h, then through vacuum refining, be 600～800 kgf/cm at pressure2It is pressed into the charging tray base of required specification Body；Charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave oven, micro- Ripple is dried 15 minutes, is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature and stands 10 hours, again be to slowly warm up at 110 DEG C be dried 32h；Dried charging tray is burnt till in nitridation room, the highest burns till temperature Degree is 1450 DEG C, prepares into nonmetal charging tray 1 after firing time 96h, and this nonmetal charging tray 1 overall diameter is 12765mm, interior diameter For 7185mm, thickness is 20mm.Heat shock resistance frequency >=50 time/24h；Heat conductivity >=50(W/m.k)；Thermal coefficient of expansion≤ 4.5(10-6/k)；Comprcssive strength 283(MPa) (800 DEG C)；Rupture strength 52(MPa) (800 DEG C)；Refractoriness under load >=1700 DEG C (0.3Mpa).
Embodiment 4
Take carborundum 68.5%, silica flour 10%, silicon nitride 6.0%, alumina powder 7.0%, silicon dioxide 4.0%, oxidation by weight Calcium 2.0% and boron nitride 2.5%, premix as inorganic powder, according to inorganic powder 100 listed as parts by weight additive addition, adds In agent, organic binder bond ethyl cellulose CMC accounts for 3.5 weight portions, plasticizer 1-1.5 weight portion, wetting agent 1-1.5 weight portion, Water is 8 weight portions.
During preparation, after the solid material premix 2h such as inorganic powder and binding agent, plasticizer, wetting agent, put in mixing roll Add water while stirring, mixing time be more than 15min, mixing one-tenth moisture content be 5% pug standby；By pug at vacuum deairing machine On carry out just practicing, when just practicing, pug mill vacuum is-0.09MPa, makes the most closely knit pug block；Pug block is placed in environment Be carry out in the ageing silo of 3 DEG C old, old time 5h, carry out old in pug block is placed in the ageing silo that environment is 20～25 DEG C Corruption, old time 24h, then through vacuum refining, be 600～800 kgf/cm at pressure2It is pressed into the charging tray base of required specification Body；Charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave oven, micro- Ripple is dried 15 minutes, is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature and stands 10 hours, again be to slowly warm up at 110 DEG C be dried 32h；Dried charging tray is burnt till in nitridation room, the highest burns till temperature Degree is 1450 DEG C, prepares into nonmetal charging tray 1 after firing time 96h, and this nonmetal charging tray 1 overall diameter is 12765mm, interior diameter For 7185mm, thickness is 20mm.Heat shock resistance frequency >=55 time/24h；Heat conductivity >=53(W/m.k)；Thermal coefficient of expansion≤ 4.0(10-6/k)；Comprcssive strength 288(MPa) (800 DEG C)；Rupture strength 55(MPa) (800 DEG C)；Refractoriness under load >=1750 DEG C (0.3Mpa).
Embodiment 5
Take carborundum 70%, silica flour 10%, silicon nitride 4.0%, alumina powder 7.0%, silicon dioxide 4.0%, calcium oxide by weight 2.5% and boron nitride 2.5%, premix as inorganic powder, according to inorganic powder 100 listed as parts by weight additive addition, additive In, organic binder bond is the compositions of methylcellulose, cyanethyl cellulose, polyvinyl alcohol, accounts for 3.5 weight portions, plasticizer 1- 1.5 weight portions, wetting agent 1-1.5 weight portion, water is 8 weight portions.
During preparation, after the solid material premix 2h such as inorganic powder and binding agent, plasticizer, wetting agent, put in mixing roll Add water while stirring, mixing time be more than 15min, mixing one-tenth moisture content be 6% pug standby；By pug at vacuum deairing machine On carry out just practicing, when just practicing, pug mill vacuum is-0.09MPa, makes the most closely knit pug block；Pug block is placed in environment Be carry out in the ageing silo of 3 DEG C old, old time 5h, carry out old in pug block is placed in the ageing silo that environment is 20～25 DEG C Corruption, old time 24h, then through vacuum refining, be 600～800 kgf/cm at pressure2It is pressed into the charging tray base of required specification Body；Charging tray base substrate after molding is fumigated 2 hours initially with steam, can produce by pre-Anti-cracking, be then placed in microwave oven, micro- Ripple is dried 15 minutes, is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature and stands 10 hours, again be to slowly warm up at 110 DEG C be dried 32h；Dried charging tray is burnt till in nitridation room, the highest burns till temperature Degree is 1450 DEG C, prepares into nonmetal charging tray 1 after firing time 96h, and this nonmetal charging tray 1 overall diameter is 12765mm, interior diameter For 7185mm, thickness is 20mm.Heat shock resistance frequency >=55 time/24h；Heat conductivity >=55(W/m.k)；Thermal coefficient of expansion≤ 4.0(10-6/k)；Comprcssive strength 300(MPa) (800 DEG C)；Rupture strength 55(MPa) (800 DEG C)；Refractoriness under load >=1750 DEG C (0.3Mpa).
In above-mentioned five examples of implementation, described alumina powder granularity W5-10, described silica flour has another name called silicon ash, particle mean size It it is Nano grade.Described silicon dioxide SiO2 >=99.5-99.9% Fe2O2≤0.005%, uses 1-3 level natural water spar and excellent Matter natural stone class, forms through retrofit.Particle size range 0.01-0.05mm.Described carborundum, silicon nitride, calcium oxide, nitridation The granularity of boron is more than 325 mesh.Described plasticizer is polyethylene glycol oxide；Wetting agent be PEG400, polyethylene glycol 1500, One in glycerol.

Claims (7)

1. the nonmetal charging tray of garbage pyrolysis furnace revolving bed, is characterized in that: this charging tray includes inorganic powder and additive, institute State additive and include organic binder bond, plasticizer and wetting agent, by inorganic powder 100 parts of listed as parts by weight, wherein organic adhesives Agent be 3.0～5.0 weight portions, plasticizer and wetting agent be 1.0～3.0 weight portions, described inorganic powder includes that following weight is joined The component of ratio: carborundum 60%～70%, silica flour 10%～30%, silicon nitride 4%～15%, alumina powder 2%～8%, silicon dioxide 2%～5%, calcium oxide 1.0%～2.5%.
The nonmetal charging tray of garbage pyrolysis furnace revolving bed the most according to claim 1, it is characterised in that: described inorganic powder Including boron nitride 1.0%～2.5%.
The nonmetal charging tray of garbage pyrolysis furnace revolving bed the most according to claim 1, it is characterised in that: described organic adhesive Agent is hydroxyethyl cellulose or methylcellulose and cyanethyl cellulose, the compositions of polyvinyl alcohol, and a combination thereof ratio is for 2:1:1.
The nonmetal charging tray of garbage pyrolysis furnace revolving bed the most according to claim 1, it is characterised in that: described plasticizer is Polyethylene glycol oxide.
The nonmetal charging tray of garbage pyrolysis furnace revolving bed the most according to claim 1, it is characterised in that: described wetting agent is One in PEG400, polyethylene glycol 1500, glycerol.
The nonmetal charging tray of garbage pyrolysis furnace revolving bed the most according to claim 1, it is characterised in that: described additive is also Including the water as solvent.
7. a garbage pyrolysis furnace revolving bed preparation method for nonmetal charging tray, comprises the following steps:
After nonmetal charging tray inorganic powder is premixed by 6.1 with binding agent, plasticizer and wetting agent solid material, put into mixing roll In add water while stirring, mixing time be more than 15min, mixing one-tenth pug moisture content be 5%～8% pug standby；
Pug is carried out just practicing on vacuum deairing machine by 6.2, and pug mill vacuum >=-0.08MPa when just practicing practices into closely knit mud Material block；
6.3 pug block is placed in the ageing silo that environment is 3 DEG C in carry out old, old time 5h, pug block is placed in environment is Carry out old in the ageing silo of 20～25 DEG C, old time 24h, then through vacuum refining, be 600～800 kgf/ at pressure cm2It is pressed into the charging tray base substrate of required specification；
Charging tray base substrate after molding is fumigated 2 hours by 6.4 initially with steam, can produce by pre-Anti-cracking, is then placed in microwave Stove, microwave drying 15 minutes, it is re-fed into sending in hothouse, is to slowly warm up at 105 DEG C, hot air drying 22h, is cooled to room temperature Stand 10 hours, be to slowly warm up at 110 DEG C again be dried 32h；
Dried charging tray base substrate is burnt till in nitridation room by 6.5, and maximum sintering temperature is 1450 DEG C, firing time 96h Rear prepared finished product.
CN201610385994.2A 2015-06-27 2016-06-03 Nonmetal material tray for refuse pyrolysis furnace rotating bed and preparation method thereof Withdrawn CN106045522A (en)

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JPH0782010A (en) * 1993-06-30 1995-03-28 Ryoji Watabe Dielectric heating element and incinerator
CN101891486A (en) * 2010-06-23 2010-11-24 马鞍山钢铁股份有限公司 High thermal conductivity Sialon-SiC complex phase ceramic fireproof material for dry coke quenching furnace and production method thereof
CN103833391A (en) * 2014-01-06 2014-06-04 宜兴市钰玺窑业有限公司 Silicon nitride-silicon carbide composite brick and preparation method thereof
CN103936437A (en) * 2014-03-27 2014-07-23 中钢集团洛阳耐火材料研究院有限公司 Casting-molded large-scale nitride-combined silicon carbide product
CN104291800A (en) * 2014-08-31 2015-01-21 湖北神雾热能技术有限公司 Multifunctional honeycomb ceramic heat retainer and preparation method thereof
JP2015081225A (en) * 2013-10-22 2015-04-27 株式会社ヨータイ High-chromia-enriched castable refractory, precast block using the refractory and waste melting furnace lined with the refractory and/or the block
CN105110795A (en) * 2015-06-27 2015-12-02 湖北神雾热能技术有限公司 Non-metal material tray for garbage pyrolysis furnace rotating bed, and preparation method tehreof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0782010A (en) * 1993-06-30 1995-03-28 Ryoji Watabe Dielectric heating element and incinerator
CN101891486A (en) * 2010-06-23 2010-11-24 马鞍山钢铁股份有限公司 High thermal conductivity Sialon-SiC complex phase ceramic fireproof material for dry coke quenching furnace and production method thereof
JP2015081225A (en) * 2013-10-22 2015-04-27 株式会社ヨータイ High-chromia-enriched castable refractory, precast block using the refractory and waste melting furnace lined with the refractory and/or the block
CN103833391A (en) * 2014-01-06 2014-06-04 宜兴市钰玺窑业有限公司 Silicon nitride-silicon carbide composite brick and preparation method thereof
CN103936437A (en) * 2014-03-27 2014-07-23 中钢集团洛阳耐火材料研究院有限公司 Casting-molded large-scale nitride-combined silicon carbide product
CN104291800A (en) * 2014-08-31 2015-01-21 湖北神雾热能技术有限公司 Multifunctional honeycomb ceramic heat retainer and preparation method thereof
CN105110795A (en) * 2015-06-27 2015-12-02 湖北神雾热能技术有限公司 Non-metal material tray for garbage pyrolysis furnace rotating bed, and preparation method tehreof

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Application publication date: 20161026