CN104098342B - A kind of decorative heat preservation type foamed ceramics and manufacturing technique method - Google Patents
A kind of decorative heat preservation type foamed ceramics and manufacturing technique method Download PDFInfo
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Abstract
The open a kind of decorative heat preservation type foamed ceramics of the present invention, additionally provide the manufacturing technique method of this decorative heat preservation type foamed ceramics simultaneously, it is that one forms cold color with perlite tailing foamed ceramics powder for base material, the decorative heat preservation type foam ceramic material of warm color point-like is formed with oil shale waste, shale, tufa stone foamed ceramics for granulation material, product collection of the present invention decoration, insulation and one, pattern enriches, and changes in temperature are clearly demarcated；Product strength is high, and heat conductivity is little, and inanimate matter fire protecting performance is good；Raw material sources are extensive, and formula simplifies, and can utilize industrial residue in a large number；Roasting technique uses by the dynamic continuously pre-heating of internal spiral cylinder, is realized the foamed ceramic body new production process of continuous foamed band in kiln by open circuit mould.
Description
Technical field:
The open a kind of decorative heat preservation type foamed ceramics of the present invention, additionally provide the manufacturing technique method of this decorative heat preservation type foamed ceramics simultaneously, it is that one forms cold color with perlite tailing foamed ceramics powder for base material, form the decorative heat preservation type foam ceramic material of warm color point-like with oil shale waste, shale, tufa stone foamed ceramics for granulation material, belong to building material technical field.
Background technology:
At present, high-grade external decoration is many based on granite, luxurious elegance；The many forms cladding with steel joist of construction method are in exterior wall.Another kind is with the cleaved slabbing of natural lava i.e. scoria or basalt, shows hole and has elegant simple and unsophisticated decorative effect and possess certain heat-insulating property.Owing to sticking veneer is hole, firm with ordinary mortar Pasting.But deficiency is, owing to by exploiting and processing, the rate of becoming a useful person is low is limited so that relatively costly, separately owing to being self-assembling formation, usually taupe is adjusted, and does not has thin shade, such as canescence, light green color, light blue etc..It is only applied to the little scape in park and special building decoration at present.Whether develop have compare favourably with natural lava decorative effect, have preferable heat-insulating property not only but also have the artificial new material that more rich tone, construction cost are low.For realizing this purpose, through further investigation, with perlite tailing, oil shale waste, shale, tufa stone as base stock, through reasonable dispensing, become decorative heat preservation type foamed ceramics through high-temperature roasting foaming, i.e. reach this purpose.Perlite tailing, oil shale waste, shale, tufa stone rich reserves in Jilin Province, the Chinese patent application (200710055292.9) of the present inventor have developed the foam ceramic material of multiple finish coat with tufa stone for primary raw material, but it is not directed to powder as base material, with point-like decorative heat preservation pottery just material that is a kind of or that mix mutually more than more than one granulation material.This will add new kind for building heat preservation with decoration.
Prior art is green foam pottery in Guan Bi mould, it is impossible to form continuous print foaming band, is not directed to by the dynamic continuously pre-heating of internal spiral cylinder, is realized the foamed ceramic body production technology of continuous foamed band in kiln by open circuit mould.
Summary of the invention:
The open a kind of decorative heat preservation type foamed ceramics of the present invention, having insulation and decoration bilayer function, except can be used for the decoration such as special building inner-outer wall, park architecture essay and insulation, can move towards common building decoration of exterior wall and insulation.
Present invention also offers the manufacturing technique method of above-mentioned decorative heat preservation type foamed ceramics, with perlite tailing foamed ceramics powder as base material, with oil shale waste, shale, tufa stone foamed ceramics a kind of granulation material therein for point-like material, it is mixed in proportion, it is cold color base material that fired foaming is formed with perlite tailing foamed ceramics, respectively with oil shale, shale, tufa stone foamed ceramics a kind of decorative heat preservation type foam ceramic material warming up color for point-like therein.
A kind of decorative heat preservation type foamed ceramics of the present invention, it is characterised in that be made up by mass fraction ratio of following raw material:
Base material account for 6～8 parts, point-like material account for 2～4 parts；
Wherein, above-mentioned base material:
Perlite tailing 50～80, discarded glass 20～50, carborundum 0.8～1.2.
Being not added with after coloring agent burns till in canescence, the coloring agent cobalt oxide, the chromium oxide that are separately added into 0.5～1.5 part are light blue color, light green color after burning till respectively, and the coloring agent adding other can be in corresponding color.
Above-mentioned point-like material:
Shale foamed ceramics (point-like material): shale 60～80, discarded glass 20～40, soda 1.5～2.5, carborundum 0.8～1.2.In black after burning till.
Oil shale waste 40～55, shale 20～25, discarded glass 20～40, soda 1.5～2.5, carborundum 0.8～1.2.In black after burning till.
Tufa stone foamed ceramics (point-like material): tufa stone 60～80, discarded glass 20～40, soda 1.5～2.5, carborundum 0.8～1.2.In black after burning till.
Present invention also offers the manufacturing technique method (forming the foamed ceramic body of continuous foamed band) of above-mentioned decorative heat preservation type foamed ceramics, comprise the following steps:
1) prepared by base material:
Perlite tailing crosses 5mm sieve, glass breaking to 10mm granule and carborundum (and coloring agent) are carried out measuring by recipe requirements, mix, it is stand-by to put in storage after grinding (grinding fineness controls to tail over 3% at 0.08mm)；
2) prepared by the pelletize of point-like material:
Glass, oil shale waste (or shale or tufa stone) are crushed to that 10mm granule, soda and carborundum are carried out measuring by recipe requirements, mix, add water carries out pelletize to grinding (grinding fineness controls to tail over 3% at 0.08mm), pelletize moisture content is 15%～25%, granulated pellet degree scope 2～5mm, pelletize post-drying is stand-by；
3) base material mixes with point-like material:
Taking step 2) base stock powder prepared of point-like material granule and the step 1) prepared is mixed and made into compound by mass fraction ratio；
4) preheating:
Compound step 3 prepared preheats in rotating dynamically, and through thermograde 500～700 DEG C of drying, preheatings, the time is 8～10min, enters foaming stages；
5) foaming:
In foaming stages, open circuit mould is pushed ahead, and the compound of step 4) preheating is flowed in continuous print open circuit mould by spout orifice, and charging rate matches with progressive die speed, the material in mould at the uniform velocity advance rapidly pre-warming to thermograde 800～1080 DEG C；Foaming through 950～1080 DEG C of fast constant temperatures, the time is that 8～10min operation to foaming portion tail temperature are down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6) cooling annealing:
Step 5) continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to less than about 50 DEG C kiln discharges through 18～20h, and cleaved mill is finished product.
The base material adding coloring agent cobalt oxide in the base material of the present invention is light blue color, the base material of addition coloring agent chromium oxide is light green color, the base material being not added with coloring agent is canescence, the base material adding other coloring agent is respective color, and point-like material is all in black.
Decorative heat preservation foamed ceramics principle of the present invention is: perlite tailing foamed ceramics formula includes Fe2O3≤ 1.0%, the perlite tailing foamed ceramics color burnt is canescence, i.e. cool tone；Oil shale, shale, tufa stone foamed ceramics formula include Fe2O3>=5%, because of Fe2O3By the reduction of C, the foamed ceramics color burnt is black, i.e. warm tones.
So, with cool tone raw material as base material, warm tones raw material is point-like material, after 950～1080 DEG C of roastings foaming, coolings, can show in white and black point-like color pattern through cutting.
Foam ceramic samples performance indications scope after testing: density 400～600kg/m3, comprcssive strength 5～10 Mpa, heat conductivity 0.100～0.180W/ (m k).
The present invention has the active effect thatInvention product collection decoration, insulation and one, pattern enriches, and changes in temperature are clearly demarcated；Product strength is high, and heat conductivity is little, and inanimate matter fire protecting performance is good；Raw material sources are extensive, and formula simplifies, and can utilize industrial residue in a large number；Roasting technique uses by the dynamic continuously pre-heating of internal spiral cylinder, is realized the foamed ceramic body new production process of continuous foamed band in kiln by open circuit mould.
Accompanying drawing illustrates:
Fig. 1, Fig. 2 are decorative heat preservation foam ceramic samples picture of the present invention.
Detailed description of the invention:
Embodiment
1
:
Base material: perlite tailing 50 kg, discarded glass 50 kg, carborundum 0.8 kg, chromium oxide 0.5 kg, in light green color after burning till；
Point-like material: oil shale waste 40 kg, shale 20 kg, discarded glass 40 kg, soda 1.5 kg, carborundum 0.8 kg, in black after burning till.
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 50kg, and glass breaking to 10mm granule takes the dry finished product material of 50kg, carborundum 0.8kg(after drying), the dry finished product material of chromium oxide 0.5kg()；By recipe requirements, carrying out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: oil shale waste, shale, glass breaking to 10mm granule are dried, take siccative 40kg, 20kg, 40kg respectively, take the dry finished product material of soda 1.5kg(again), the dry finished product material of carborundum 0.8kg() carry out measuring, mix, grinding, grinding fineness control to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to carry out adding water pelletize, carry out pelletize, pelletize moisture content 25% by the oil shale waste foamed ceramics of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 6 parts, and point-like material accounts for 4 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 8min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to thermograde 800～950 DEG C；Foaming through 950 DEG C of fast constant temperatures, the time is that 8min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 18h, and cleaved mill is finished product, sees Fig. 1 visual: base material is light green color, and point-like material is all in black.Performance indications: density 500 kg/m3, comprcssive strength 7.2 Mpa, heat conductivity 0.123 W/ (m k).
Embodiment
2
:
Base material: perlite tailing 65 kg, glass 35 kg, carborundum 1 kg, change cobalt oxide 0.5 kg, be light blue color after burning till；
Point-like material: oil shale waste 48 kg, shale 22 kg, glass 30 kg, soda 2 kg, carborundum 1 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 65kg, and glass breaking to 10mm granule takes the dry finished product material of 35kg, carborundum 1 kg(after drying), the dry finished product material of cobalt oxide 0.5 kg()；Carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: oil shale waste, shale, glass breaking to 10mm granule are dried, take 48kg, 22kg, 30kg respectively, take the soda 2 dry finished product material of kg(again), the dry finished product material of carborundum 1 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 25% by the oil shale waste foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 7 parts, and point-like material accounts for 3 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 9min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1020 DEG C；Foaming through 1020 DEG C of fast constant temperatures, the time is that 9min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 19h, and cleaved mill is finished product, sees Fig. 2 visual: base material is light blue color, and point-like material is all in black.Performance indications: density 430kg/m3, comprcssive strength 5.9Mpa, heat conductivity 0.108W/ (m k).
Embodiment
3
:
Base material: perlite tailing 80 kg, discarded glass 20 kg, carborundum 1.2 kg, in canescence after burning till；
Point-like material: oil shale waste 55 kg, shale 25 kg, discarded glass 20 kg, soda 2.5 kg, carborundum 1.2 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 80kg, and glass breaking to 10mm granule takes the dry finished product material of 20kg, carborundum 1.2 kg(after drying)；Carry out measuring, mix, powder milling grinding rate controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: oil shale waste, shale, glass breaking to 10mm granule are dried, take 55kg, 25kg, 20kg respectively, take the soda 2.5 dry finished product material of kg(again), the dry finished product material of carborundum 1.2 kg() carry out measuring, mix, powder milling, grinding rate controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 25% by the oil shale waste foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 8 parts, and point-like material accounts for 2 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 10min runs to afterbody inflow frothing part progressive die end；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1080 DEG C；Foaming through 1080 DEG C of fast constant temperatures, the time is that 10min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 20h, and cleaved mill is finished product, visual: base material is canescence, and point-like material is all in black.Performance indications: density 400kg/m3, comprcssive strength 5.4 Mpa, heat conductivity 0.104 W/ (m k).
Embodiment
4
:
Base material: perlite tailing 50 kg, discarded glass 50 kg, carborundum 0.8 kg, chromium oxide 1 kg, in light green color after burning till；
Point-like material: shale 60 kg, discarded glass 40 kg, soda 1.5 kg, carborundum 0.8 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 50kg, and glass breaking to 10mm granule takes 50kg, the dry finished product material of carborundum 0.8 kg, chromium oxide 1 kg(after drying)；Carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: shale, glass breaking to 10mm granule are dried, take 60kg, 40kg respectively, take the soda 1.5 dry finished product material of kg(again), the dry finished product material of carborundum 0.8 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 20% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 6 parts, and point-like material accounts for 4 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 8min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～950 DEG C；Foaming through 950 DEG C of fast constant temperatures, the time is that 8min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 18h, and cleaved mill is finished product, visual: base material is light green color, and point-like material is all in black.Performance indications: density 600kg/m3, comprcssive strength 10.2 Mpa, heat conductivity 0.180 W/ (m k).
Embodiment
5
:
Base material: perlite tailing 65 kg, discarded glass 35 kg, carborundum 1 kg, cobalt oxide 1 kg, it is light blue color after burning till；
Point-like material: shale 70 kg, discarded glass 30 kg, soda 2 kg, carborundum 1 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 65kg, and glass breaking to 10mm granule takes the dry finished product material of 35kg, carborundum 1 kg(after drying), the dry finished product material of cobalt oxide 1 kg()；Carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: shale, glass breaking to 10mm granule are dried, take 70kg, 35kg respectively, take the soda 2 dry finished product material of kg(again), the dry finished product material of carborundum 1 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 20% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 7 parts, and point-like material accounts for part 3 and mixes；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 9min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1020 DEG C；Foaming through 1020 DEG C of fast constant temperatures, the time is that 9min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 19h, and cleaved mill is finished product, visual: base material is light blue color, and point-like material is all in black.Performance indications: density 605kg/m3, comprcssive strength 8.4 Mpa, heat conductivity 0.145 W/ (m k).
Embodiment
6
:
Base material: perlite tailing 80 kg, discarded glass 20 kg, carborundum 1.2 kg, it is not added with after coloring agent burns till in canescence；
Point-like material: shale 80 kg, discarded glass 20 kg, soda 2.5 kg, carborundum 1.2 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 80kg, and glass breaking to 10mm granule takes the dry finished product material of 20kg, carborundum 1.2 kg(after drying), carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: shale, glass breaking to 10mm granule are dried, take 80kg, 20kg respectively, take the soda 2.5 dry finished product material of kg(again), the dry finished product material of carborundum 1.2 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 20% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 8 parts, and point-like material accounts for 2 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 10min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1080 DEG C；Foaming through 1080 DEG C of fast constant temperatures, the time is that 10min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 20h, and cleaved mill is finished product, visual: base material is canescence, and point-like material is all in black.Performance indications: density 540kg/m3, comprcssive strength 7.1 Mpa, heat conductivity 0.130 W/ (m k).
Embodiment
7
:
Base material: perlite tailing 50 kg, discarded glass 50 kg, carborundum 0.8 kg, chromium oxide 1.5 kg, in light green color after burning till；
Point-like material: tufa stone 60 kg, discarded glass 40 kg, soda 1.5 kg, carborundum 0.8 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 50kg, and glass breaking to 10mm granule takes the dry finished product material of 50kg, carborundum 0.8kg(after drying), carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: tufa stone, glass breaking to 10mm granule are dried, take 60kg, 40kg respectively, take the soda 1.5 dry finished product material of kg(again), the dry finished product material of carborundum 0.8 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 20% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 6 parts, and point-like material accounts for 4 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 8min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～950 DEG C；Foaming through 950 DEG C of fast constant temperatures, the time is that 8min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 18h, and cleaved mill is finished product, visual: base material is light green color, and point-like material is all in black.Performance indications: density 540kg/m3, comprcssive strength 7.0 Mpa, heat conductivity 0.146 W/ (m k).
Embodiment
8
:
Base material: perlite tailing 65 kg, discarded glass 35 kg, carborundum 1 kg, cobalt oxide 1.5 kg, it is light blue color after burning till；
Point-like material: tufa stone 70 kg, discarded glass 30 kg, soda 2 kg, carborundum 1 kg, in black after burning till；
The foamed ceramic body process becoming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 65kg, and glass breaking to 10mm granule takes the dry finished product material of 35kg, carborundum 1 kg(after drying), the dry finished product material of cobalt oxide 1.5 kg()；Carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: tufa stone, glass breaking to 10mm granule are dried, and take 70kg, 30kg respectively, then take soda 2 kg, and carborundum 1 kg carries out measuring, mixes, grinding, and grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 15% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 7 parts, and point-like material accounts for part 3 and mixes；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 9min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1020 DEG C；Foaming through 1020 DEG C of fast constant temperatures, the time is that 9min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 19h, and cleaved mill is finished product, visual: base material is light blue color, and point-like material is all in black.Performance indications: density 490kg/m3, comprcssive strength 6.3 Mpa, heat conductivity 0.115 W/ (m k).
Embodiment
9
:
Base material: perlite tailing 80 kg, discarded glass 20 kg, carborundum 1.2 kg, it is not added with after coloring agent burns till in canescence；
Point-like material: tufa stone 80 kg, discarded glass 20 kg, soda 2.5 kg, carborundum 1.2 kg, in black after burning till；
The foamed ceramic body process forming continuous foamed band is as follows:
1. prepared by base material: perlite tailing is crossed after 5mm sieve is dried and taken 80kg, and glass breaking to 10mm granule takes the dry finished product material of 20kg, carborundum 1.2 kg(after drying), carry out measuring, mix, powder milling grinding rate controls to put in storage after 0.08mm tails over 3% stand-by；
2. prepared by the pelletize of point-like material: tufa stone, glass breaking to 10mm granule are dried, take 80kg, 20kg respectively, take the soda 2.5 dry finished product material of kg(again), the dry finished product material of carborundum 1.2 kg() carry out measuring, mix, grinding, grinding fineness controls to put in storage after 0.08mm tails over 3% stand-by；Use comminutor to add water and carry out pelletize, carry out pelletize, pelletize moisture content 15% by the shale foamed ceramics powder of point-like material；Granulated pellet degree scope 2～5mm；Pelletize post-drying is stand-by；
3. base material mixes with point-like material: by mass fraction, and base material accounts for 8 parts, and point-like material accounts for 2 parts of mixing；
4. preheating: compound enters the internal spiral cylinder of regenerator section, is rotating dynamic middle preheating, and through thermograde 500～700 DEG C of drying, preheatings, the time is that 10min runs to afterbody inflow frothing part；
5. foaming: in frothing part, the open circuit mould being equipped with release paper is pushed ahead, preheating material is flowed in continuous print open circuit mould by spout orifice, charging rate matches with progressive die speed, under the control of scraper plate, keep the thickness of the bed of material, the material in mould at the uniform velocity advancing rapidly pre-warming to gradient 800～1080 DEG C；Foaming through 1080 DEG C of fast constant temperatures, the time is that 10min operation to foaming portion tail temperature is down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6. cooling annealing: continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to 50 DEG C of kiln discharges through 20h, and cleaved mill is finished product, visual: base material is canescence, and point-like material is all in black.Performance indications: density 430kg/m3, comprcssive strength 5.6 Mpa, heat conductivity 0.102 W/ (m k).
Claims (3)
1. a decorative heat preservation type foamed ceramics, it is characterised in that be made up by mass fraction ratio of following raw material:
Base material: 6～8 parts, point-like material: 2～4 parts；
Above-mentioned base material:
Perlite tailing 50～80, glass 20～50, carborundum 0.8～1.2；
Above-mentioned point-like material:
Shale 60～80, glass 20～40, soda 1.5～2.5, carborundum 0.8～1.2；
The production technology of decorative heat preservation type foamed ceramics, comprises the following steps:
1) prepared by base material:
Perlite tailing crosses 5mm sieve, glass breaking to 10mm granule and carborundum are carried out measuring by recipe requirements, mix, it is stand-by to put in storage after grinding, and grinding fineness controls to tail over 3% at 0.08mm；
2) prepared by the pelletize of point-like material:
Glass, shale are crushed to 10mm granule, carry out measuring by recipe requirements with soda and carborundum, mix, grinding adds water and carries out pelletize, and grinding fineness controls to tail over 3% at 0.08mm, and pelletize moisture content is 15%～25%, granulated pellet degree scope 2～5mm, pelletize post-drying is stand-by；
3) base material mixes with point-like material:
Taking step 2) base stock powder prepared of point-like material granule and the step 1) prepared is mixed and made into compound by mass fraction ratio；
4) preheating:
Compound step 3) prepared preheats in rotating dynamically, and through thermograde 500～700 DEG C of drying, preheatings, the time is 8～10min, enters foaming stages；
5) foaming:
In foaming stages, open circuit mould is pushed ahead, and the compound of step 4) preheating is flowed in continuous print open circuit mould by spout orifice, and charging rate matches with progressive die speed, the material in mould at the uniform velocity advance rapidly pre-warming to thermograde 800～1080 DEG C；Foaming through 950～1080 DEG C of fast constant temperatures, the time is that 8～10min operation to foaming portion tail temperature are down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6) cooling annealing:
Step 5) continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to less than 50 DEG C of kiln discharges through 18～20h, and cleaved mill is finished product.
2. a decorative heat preservation type foamed ceramics, it is characterised in that be made up by mass fraction ratio of following raw material:
Base material: 6～8 parts, point-like material: 2～4 parts；
Above-mentioned base material:
Perlite tailing 50～80, glass 20～50, carborundum 0.8～1.2；
Described point-like material:
Oil shale waste 40～55, shale 20～25, glass 20～40, soda 1.5～2.5, carborundum 0.8～1.2；
The production technology of decorative heat preservation type foamed ceramics, comprises the following steps:
1) prepared by base material:
Perlite tailing crosses 5mm sieve, glass breaking to 10mm granule and carborundum are carried out measuring by recipe requirements, mix, it is stand-by to put in storage after grinding, and grinding fineness controls to tail over 3% at 0.08mm；
2) prepared by the pelletize of point-like material:
Glass, oil shale waste, shale are crushed to 10mm granule, carry out measuring by recipe requirements with soda and carborundum, mix, grinding adds water and carries out pelletize, and grinding fineness controls to tail over 3% at 0.08mm, and pelletize moisture content is 15%～25%, granulated pellet degree scope 2～5mm, pelletize post-drying is stand-by；
3) base material mixes with point-like material:
Taking step 2) base stock powder prepared of point-like material granule and the step 1) prepared is mixed and made into compound by mass fraction ratio；
4) preheating:
Compound step 3) prepared preheats in rotating dynamically, and through thermograde 500～700 DEG C of drying, preheatings, the time is 8～10min, enters foaming stages；
5) foaming:
In foaming stages, open circuit mould is pushed ahead, and the compound of step 4) preheating is flowed in continuous print open circuit mould by spout orifice, and charging rate matches with progressive die speed, the material in mould at the uniform velocity advance rapidly pre-warming to thermograde 800～1080 DEG C；Foaming through 950～1080 DEG C of fast constant temperatures, the time is that 8～10min operation to foaming portion tail temperature are down to 650 DEG C of foaming bodies hardening, and mould separates automatically with the foaming body of hardening, and the foaming tape running of hardening is to cooling down annealing portion, and mould falls after rise and carries out subsequent cycle；
6) cooling annealing:
Step 5) continuous print foaming body hardenability band, slowly anneals in cooling annealing portion, starts gradually cooling down from 550 DEG C, be cooled to less than 50 DEG C of kiln discharges through 18～20h, and cleaved mill is finished product.
3. according to the decorative heat preservation type foamed ceramics described in claim 1 or 2, it is characterised in that:
Base material is also added with the coloring agent of 0.5～1.5 part；
Described coloring agent is: cobalt oxide, chromium oxide.
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| CN103570245A (en) * | 2012-07-25 | 2014-02-12 | 咸阳陶瓷研究设计院 | Foam glass prepared from shale and manufacturing method thereof |
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| CN101993202A (en) * | 2010-10-15 | 2011-03-30 | 北京工业大学 | Method for manufacturing foam material by using shale and cullet |
| CN102086129A (en) * | 2010-12-17 | 2011-06-08 | 信阳师范学院 | Light high-strength foaming material taking tuff as main raw material and preparation method of light high-strength foaming material |
| CN103570245A (en) * | 2012-07-25 | 2014-02-12 | 咸阳陶瓷研究设计院 | Foam glass prepared from shale and manufacturing method thereof |
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