CN109734415A - A kind of preparation method of the red porous ceramics burner of gas utensil - Google Patents
A kind of preparation method of the red porous ceramics burner of gas utensil Download PDFInfo
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Abstract
The invention discloses a kind of gas utensil preparation methods of red porous ceramics burner, wherein, the preparation method of gas utensil red ceramic burner, comprising the following steps: 1) according to the mass percent meter of raw material, kaolin 60-71wt% is provided, talcum 8-14wt%, magnesite 12-20wt%, aluminum oxide 1-5.8wt%, spodumene 0-2wt%, iron oxide 1.2-7.2wt%, above-mentioned raw materials are uniformly mixed, and obtain raw material；2) it is uniformly mixed after the mineralizer of 3wt% is added into raw material, grinding obtains red clinker after calcining, cooling down；3) raw material in the step 1 of 20-35.9wt% are provided, red clinker in the step 2 of 47.5-63.4wt%, the pore creating material of 6.1-24.5wt%, the oleic acid of 1-5wt%, the diesel oil of 1-5wt%, the methyl of 0-0.5wt%, above-mentioned raw materials, are added the water of 7-9wt% by the urethane acrylate of 0.1-0.5wt% and the mineralizer of 1-5wt% after mixing, it is uniformly mixed again, obtains red ceramic burner blank；4) red ceramic burner blank is formed, after freeze-day with constant temperature, calcining obtains red ceramic burner.The present invention can prepare the porous ceramics burner for stablizing red.
Description
Technical field
The present invention relates to ceramic technology fields, and in particular, to a kind of preparation of the red porous ceramics burner of gas utensil
Method.
Background technique
Porous ceramics is a kind of through high temperature firing, has the ceramic material for largely communicating with each other or being closed stomata.Due to tool
There are equally distributed micropore or hole, porosity has flourishing specific surface and its unique physical table compared with high, bulk density is small
Face characteristic, to the selectable permeability of liquids and gases medium, energy absorption or damping characteristic, ceramic material is distinctive resistance in addition
High temperature, corrosion-resistant, high chemical stability and dimensional stability, make porous ceramics be widely used in the filtering of molten metal, work
Gas cleaning of industry furnace and the purification of vehicle exhaust etc. etc..
The burner of porous ceramics material has the characteristics that energy conservation and environmental protection, this mainly has benefited from the porous structure and pottery that it has
The physical characteristics such as the excellent thermal shock resistance that ceramic material itself has.Good thermal shock resistance ensure that it in prolonged and repeated heating
Under the conditions of be not destroyed, be the excellent material as burner.
In terms of energy conservation and environmental protection, conventional oven only has 60 percent to the combustion utilization efficiency of combustion gas, and porous ceramics furnace
The combustion gas utilization rate of head is up to 95 percent.There are three types of modes for heat transmitting, are conduction, convection current, radiation respectively.Conventional oven
Only a kind of heat transmitting: conduction.Porous ceramics has the characteristics that specific surface area is high, present in intensive micropore can sufficiently make
Air and combustion gas mixing keep fuel combustion more complete, and open fire is become infrared light, so its heat transmitting is gone back in addition to conduction
There is radiation, therefore improves combustion gas utilization rate.The imperfect combustion because of combustion gas can be reduced while improving fuel availability
The toxic gas of such as carbon monoxide generated, achievees the purpose that environmental protection.
Due to often containing a large amount of magnesia in porous ceramics burner composition, to the difficulty that the coloring of burner is brought, at present
Porous ceramics burner available on the market only has white, can not adapt to more attractive, the occasion of resistant, it is difficult to meet of certain needs
Therefore demand of the client to porous colour Ceramic stove burner solves the problems, such as that porous ceramics burner is difficult to colour, while not shadow
The usability for ringing burner is very important.
Summary of the invention
In view of this, the present invention provides a kind of preparation methods of red porous ceramics burner, to improve the face of burner
Color adapts to the occasion of resistant, meet client to ceramics to red ceramic burner the needs of.
The invention adopts the following technical scheme:
The preparation method of gas utensil according to an embodiment of the present invention red ceramic burner, comprising the following steps:
Step 1, according to the mass percent meter of raw material, kaolin 60-71wt%, talcum 8-14wt%, magnesite are provided
12-20wt%, aluminum oxide 1-5.8wt%, spodumene 0-2wt%, iron oxide 1.2-7.2wt% mix above-mentioned raw materials
Uniformly, raw material are obtained；
Step 2, it is uniformly mixed after the mineralizer of 3wt% is added in Xiang Suoshu raw material, grinds and obtain after calcining, cooling down
Red clinker；
Step 3, according to the mass percent meter of raw material, raw material described in the step 1 of 20-35.9wt%, 47.5- are provided
Red clinker described in the step 2 of 63.4wt%, the pore creating material of 6.1-24.5wt%, the oleic acid of 1-5wt%, 1-5wt%'s
Diesel oil, the methyl of 0-0.5wt%, the urethane acrylate of 0.1-0.5wt% and the mineralizer of 1-5wt%, by above-mentioned original
The water of 7-9wt% is added in material after mixing, is uniformly mixed again, obtains red ceramic burner blank；
Step 4, the red ceramic burner blank is formed, after freeze-day with constant temperature, calcining obtains the red ceramic furnace
Head.
Preferably, it with heating rate is that 5 DEG C/min is gradually warming up to that the calcining in the step 2 and step 4, which is under room temperature,
1270-1310 DEG C, and keep the temperature 1-6h.
Preferably, the mineralizer is boric acid.
Preferably, the partial size of the red clinker in the step 2 is 60-90 μm.
Preferably, the pore creating material include bamboo powder, wood powder, graphite, or mixtures thereof, wherein the partial size of the bamboo powder is
150-200 μm, the partial size of the wood powder is 130-150 μm.
Preferably, the pore creating material includes the stone of the bamboo powder of 3-12wt%, the wood powder of 3-12wt% and 0.1-0.5wt%
Ink.
Preferably, drying temperature is 50-70 DEG C in the step 4, drying time 2-6h.
The red porous ceramics burner of the gas utensil of embodiment according to a second aspect of the present invention, passes through red porous ceramics furnace
Head preparation method is prepared, and component by mass percentage, contains:
Aluminum oxide: 28-41wt%；
Silica: 43-58wt%；
Magnesia: 9.8-18wt%；
Iron oxide: 1-8.4wt%；
Boron oxide: 0.5-5wt%；And
Lithia: 0-0.5wt%.
Above-mentioned technical proposal of the invention one of at least has the following effects that:
1) by reasonable raw material proportioning and production technology, the color of burner is fixed as red, good thermal stability,
The market vacancy of coloured porous ceramics burner has been filled up, there is significant economic benefit.
2) the red ceramic burner adapts to the occasion of resistant, meets demand of the client to red porous ceramics burner, has
There is the wide market space.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
The technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is of the invention one
Divide embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The preparation method of gas utensil red ceramic burner according to an embodiment of the present invention is detailed below.
The preparation method of gas utensil red ceramic burner according to embodiments of the present invention, comprising the following steps:
Step 1, according to the mass percent meter of raw material, kaolin 60-71wt%, talcum 8-14wt%, magnesite are provided
12-20wt%, aluminum oxide 1-5.8wt%, spodumene 0-2wt%, iron oxide 1.2-7.2wt% mix above-mentioned raw materials
Uniformly, raw material are obtained.
That is, the whitening power of ceramic matrix can be enhanced, and then prepare by the way that iron oxide is added in raw material
The red ceramic burner of colour stable out.
Step 2, it is uniformly mixed after the mineralizer of 3wt% is added in Xiang Suoshu raw material, grinds and obtain after calcining, cooling down
Red clinker.
Wherein, mineralizer can be boric acid, and the performances such as boric acid energy acceleration of sintering and the intensity that improves burner are added, and calcine and be
It is gradually warming up to 1270-1310 DEG C for 5 DEG C/min with heating rate under room temperature, and keeps the temperature 1-6h, the partial size of red clinker is 60-
90 μm, the red clinker of the partial size can prepare the more excellent red porous ceramics burner of performance.
Step 3, according to the mass percent meter of raw material, raw material described in the step 1 of 20-35.9wt%, 47.5- are provided
Red clinker described in the step 2 of 63.4wt%, the pore creating material of 6.1-24.5wt%, the oleic acid of 1-5wt%, 1-5wt%'s
Diesel oil, the methyl of 0-0.5wt%, the urethane acrylate of 0.1-0.5wt% and the mineralizer of 1-5wt%, by above-mentioned original
The water of 7-9wt% is added in material after mixing, is uniformly mixed again, obtains red ceramic burner blank.
Specifically, pore creating material can be conventional selection, and in the present invention, preferred pore creating material is preferably bamboo powder, wood powder, stone
Or mixtures thereof ink, further, the partial size of the bamboo powder is 150-200 μm, and the partial size of the wood powder is 130-150 μm.It adopts
The red porous ceramics burner for using bamboo powder, wood powder, graphite to prepare as pore creating material, large specific surface area, combustion gas and air are effectively mixed
It closes, and open fire can be converted into infrared light, so that combustion gas utilization rate is reached 95%, the pernicious gases such as CO of generation are few, more
Environmental protection and energy saving.
Preferably, pore creating material includes the graphite of the bamboo powder of 3-12wt%, the wood powder of 3-12wt% and 0.1-0.5wt%.It adopts
With the pore creating material of the ratio, combustion gas and the significantly more efficient combination of air can be made, and then improve the effect of environmental protection and energy saving.
Step 4, the red ceramic burner blank is formed, after freeze-day with constant temperature, calcining obtains the red ceramic furnace
Head.
Wherein, to be under room temperature be the calcining in step 4 with heating rate that 5 DEG C/min is gradually warming up to 1270-1310 DEG C, and
Keep the temperature 1-6h.Preferably, drying temperature is 50-70 DEG C, drying time 2-6h.The heating rate and drying temperature of the calcining can
To further increase the performance of ceramic furnace end.
Red porous ceramics burner according to an embodiment of the present invention has a stable red as a result, good thermal stability,
The market vacancy of coloured porous ceramics burner has been filled up, there is significant economic benefit, which adapts to resistant
Occasion meets demand of the client to red ceramic burner, has a vast market space.
The red porous ceramics burner of the gas utensil of embodiment according to a second aspect of the present invention, passes through red porous ceramics furnace
Head preparation method is prepared, and component by mass percentage, contains aluminum oxide 28-41wt%, silica 43-
58wt%, magnesia 9.8-18wt%, iron oxide 1-8.4wt%, boron oxide 0.5-5wt% and lithia 0-0.5wt%.
The red ceramic burner of the component has pure red, and thermal shock resistance, thermal expansion coefficient reach the standard of ceramic honey comb, can
Meet the needs of client, there are extensive market prospects.
The foundation of the test of thermal shock resistance is the test method of the thermal shock resistance in " ceramic honey comb " in following embodiment, is led to
Cross the thermal stability that heating chilling repeatedly detects the product.
Wherein X, Y, Z, x, y, z, L, a, b in embodiment are three kinds of different chroma characterization modes, and X, Y, Z is spectrum three
Values；X, y, z are chromaticity coordinates value, can determine a point, both sides relation x=X/X+Y+Z, y=Y/X+Y on a chromaticity diagram
+ Z, z=Z/X+Y+Z.
L* is brightness value；A* is red value of green, and b* is champac value, and the codomain of a and b are all by+127 to -128, wherein+127a
It is exactly carmetta, reforms into green when being transitioned into -128a gradually；Same principle ,+127b are yellow, and -128b is blue.
Embodiment 1
1) following raw material in parts by mass, by kaolin 62.4wt%, talcum 9.9wt%, magnesite 15.4wt%, three oxygen
Change two aluminium 5.0wt%, spodumene 2.0wt%, iron oxide 2.3wt% be mixed it is even after obtain raw material；
2) will above-mentioned raw material be added 3wt% boric acid after be uniformly mixed, be put into high temperature furnace, with heating rate be 5 DEG C/
Min is gradually warming up to 1290 DEG C, soaking time 2h at normal temperature, is ground that obtain the red that partial size is 75 μm ripe after cooling
Material.
3) in parts by mass by the following raw material of raw material: by raw material 27.9wt%, red clinker 47.5wt%, 187 μm of bamboo
Powder 5.1wt%, 150 μm of wood powder 6.4wt%, graphite 0.2wt%, oleic acid 2.1wt%, diesel oil 2.1wt%, methyl 0.3wt%,
The water of 7wt% is added after mixing, is further uniformly mixed, obtains by PUA (urethane acrylate) 0.4wt%, boric acid 1wt%
To plasticity red ceramic blank.
4) the plasticity red blank compression moulding that will 3) obtain after 60 DEG C of freeze-day with constant temperature, is put into high temperature furnace, with heating
Speed is that 5 DEG C/min is gradually warming up to 1310 DEG C, soaking time 2h at normal temperature, obtains red porous ceramics burner.
The product takes on a red color, colorimetric detection value such as table 1:
Table 1
| L*=53.17 | A*=11.58 | B*=8.28 |
| X=.22.53 | Y=21.20 | Z=18.34 |
Thermal shock resistance test result is as follows table 2:
Table 2
Embodiment 2
1) in parts by mass, by kaolin 66.8wt%, talcum 14wt%, magnesite 12wt%, three aoxidize following raw material
Two aluminium 1wt%, spodumene 2.0wt%, iron oxide 1.2wt% be mixed it is even after obtain raw material；
2) will above-mentioned raw material be added 3wt% boric acid after be uniformly mixed, be put into high temperature furnace, with heating rate be 5 DEG C/
Min is gradually warming up to 1270 DEG C, soaking time 2h at normal temperature, is ground that obtain the red that partial size is 60 μm ripe after cooling
Material.
3) in parts by mass by the following raw material of raw material: by raw material 20wt%, red clinker 61.4wt%, 150 μm of bamboo powder
3wt%, 130 μm of wood powder 3wt%, graphite 0.1wt%, oleic acid 1wt%, diesel oil 1wt%, PUA (urethane acrylate)
The water of 7wt% is added after mixing, is further uniformly mixed by 0.5wt%, boric acid 3wt%, obtains plasticity red blank.
4) the plasticity red blank compression moulding that will 3) obtain after 50 DEG C of freeze-day with constant temperature, is put into high temperature furnace, with heating
Speed is that 5 DEG C/min is gradually warming up to 1300 DEG C, soaking time 4h at normal temperature, obtains red porous ceramics burner.
The product be in more pure red, colorimetric detection value such as table 3:
Table 3
| L*=56.76 | A*=13.14 | B*=17.78 |
| X=26.47 | Y=24.67 | Z=16.75 |
The test result of thermal shock resistance such as table 4:
Table 4
Embodiment 3
1) following raw material in parts by mass, by kaolin 66wt%, talcum 8wt%, magnesite 15wt%, aluminum oxide
3.8wt%, iron oxide 4.2wt% be mixed it is even after obtain raw material；
2) will above-mentioned raw material be added 3wt% boric acid after be uniformly mixed, be put into high temperature furnace, with heating rate be 5 DEG C/
Min is gradually warming up to 1310 DEG C, soaking time 1h at normal temperature, is ground that obtain the red that partial size is 90 μm ripe after cooling
Material.
3) in parts by mass by the following raw material of raw material: by raw material 30.4wt%, red clinker 47.5wt%, 150 μm of bamboo
Powder 3wt%, 130 μm of wood powder 3wt%, graphite 0.1wt%, oleic acid 1wt%, the methyl of diesel oil 2wt%, 0.5wt%, PUA are (poly-
Urethane acrylate) 0.5wt%, the water of 9wt% is added after mixing, is further uniformly mixed, obtains plastic boric acid 3wt%
Property red blank.
4) the plasticity red blank compression moulding that will 3) obtain after 70 DEG C of freeze-day with constant temperature, is put into high temperature furnace, with heating
Speed is that 5 DEG C/min is gradually warming up to 1300 DEG C, soaking time 6h at normal temperature, obtains red porous ceramics burner.
The product be in more pure red, colorimetric detection value such as table 5:
Table 5
| L*=50.37 | A*=15.24 | B*=15.09 |
| X=20.75 | Y=18.72 | Z=13.15 |
The test result of thermal shock resistance such as table 6:
Table 6
Although having referred to specific embodiment describes the present invention, it will be understood by those skilled in the art that without departing from
Under the scope of the present invention, various change, and its alternative element of equivalent can be carried out.Therefore, it is public to be not limited to institute by the present invention
The specific embodiment opened, but it includes all embodiments fallen within the scope of the appended claims.
Claims (8)
1. a kind of gas utensil preparation method of red ceramic burner, which comprises the following steps:
Step 1, according to the mass percent meter of raw material, kaolin 60-71wt%, talcum 8-14wt%, magnesite 12- are provided
20wt%, aluminum oxide 1-5.8wt%, spodumene 0-2wt%, iron oxide 1.2-7.2wt% mix above-mentioned raw materials equal
It is even, obtain raw material；
Step 2, it is uniformly mixed after the mineralizer of 3wt% is added in Xiang Suoshu raw material, grinding obtains red after calcining, cooling down
Clinker；
Step 3, according to the mass percent meter of raw material, raw material described in the step 1 of 20-35.9wt%, 47.5- are provided
Red clinker described in the step 2 of 63.4wt%, the pore creating material of 6.1-24.5wt%, the oleic acid of 1-5wt%, 1-5wt%'s
Diesel oil, the methyl of 0-0.5wt%, the urethane acrylate of 0.1-0.5wt% and the mineralizer of 1-5wt%, by above-mentioned original
The water of 7-9wt% is added in material after mixing, is uniformly mixed again, obtains red ceramic burner blank；
Step 4, the red ceramic burner blank is formed, after freeze-day with constant temperature, calcining obtains the red ceramic burner.
2. the gas utensil according to claim 1 preparation method of red ceramic burner, which is characterized in that the step 2
It is under room temperature with the calcining in step 4 is that 5 DEG C/min is gradually warming up to 1270-1310 DEG C, and keeps the temperature 1-6h with heating rate.
3. the gas utensil according to claim 1 preparation method of red ceramic burner, which is characterized in that the mineralizer
For boric acid.
4. the gas utensil according to claim 1 preparation method of red ceramic burner, which is characterized in that the step 2
In the partial size of the red clinker be 60-90 μm.
5. the gas utensil according to claim 1 preparation method of red ceramic burner, which is characterized in that the pore creating material
Including bamboo powder, wood powder, graphite, or mixtures thereof, wherein the partial size of the bamboo powder is 150-200 μm, and the partial size of the wood powder is
130-150μm。
6. the gas utensil according to claim 5 preparation method of red ceramic burner, which is characterized in that the pore creating material
The wood powder of bamboo powder, 3-12wt% including 3-12wt% and the graphite of 0.1-0.5wt%.
7. the gas utensil according to claim 1 preparation method of red ceramic burner, which is characterized in that the step 4
Middle drying temperature is 50-70 DEG C, drying time 2-6h.
8. the red porous ceramics burner of the gas utensil that preparation method according to any one of claims 1 to 7 is prepared,
It is characterized in that, its component is by mass percentage, contain:
Aluminum oxide: 28-41wt%；
Silica: 43-58wt%；
Magnesia: 9.8-18wt%；
Iron oxide: 1-8.4wt%；
Boron oxide: 0.5-5wt%；And
Lithia: 0-0.5wt%.
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2019
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| JPS5495611A (en) * | 1978-01-12 | 1979-07-28 | Matsushita Electric Ind Co Ltd | Porous ceramic for burner use |
| CN1434000A (en) * | 2002-01-21 | 2003-08-06 | 日本碍子株式会社 | Method for making porous ceramic |
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Application publication date: 20190510 |