The kiln heat that is used at fire pottery and porcelain has a few kinds of kinds, every kinds of type has his characteristic, the pottery and porcelain that suits different type works. It is the type of main kiln furnace that uses in pottery and porcelain below:
Characteristic of 1. report kiln: By electric power drive, heating element is made by the material such as Kandaer or nickel chromic alloy. Ideal temperature is controlled and but process designing sex. Advantage: Clean and operate easily. Suit medium or small project. Suit to burn hoosh and frit very much. Defect: Light kiln photograph to compare with a few fuel, its measure is narrow. The district operation cost with high electrovalency is higher. Common use: Atelier Tao Yi. Educational environment. Miniature production.
2. lights gas kiln characteristic: It is fuel with natural gas or propane. Deploy burner and air-blower to be burned with Yu Ran normally. Can realize oxidation and reducing atmosphere. Advantage: Can reach higher than most electric stove temperature. Agile air is controlled. Apply to large and medium-sized project. Defect: Need is ventilated will handle gas with the safety precaution. Compare with electric kiln photograph, operation and control are more complex. Common use: Stone implement and china fire. Manufacturing pottery. Need the artistic pottery and porcelain of specific atmosphere effect.
3. lights wooden kiln characteristic: It is fuel with lumber, need burns continuously. Normally very big, build by firebrick. Produce distinctive grey glair and exterior result. Advantage: Generation is distinctive and the aesthetic effect that has value very much. Can reach very high temperature. The tradition that has rich history background shoots a method. Defect: Labor is concentrated and time-consuming. Need rich skill and experience ability operation. Because aerosol is mixed,discharge the environmental consideration that cause. Common use: Art and traditional pottery and porcelain. High temperature stone implement and china.
Characteristic of 4. fuel kiln: Use oil regards fuel as origin. Seldommer than gas kiln or electric stove see. Advantage: Can reach high temperature. Apply to oxidation and reducing atmosphere. Defect: Need is handled and store fuel. The operation is more complex, cost is higher. Common use: Industrial pottery and porcelain. Large-scale crockery is produced.
5. pulls library kiln characteristic: Use normally burn gas, but also can use firewood. Design to heat quickly and cool only. Normally the design disassembles quickly to facilitate. Advantage: Achieve distinctive and dramatic surface result. Compare with other method photograph, fire cycle is fast. Defect: Have some of specific technology that pull a library, do not apply to the pottery and porcelain of all types. Because temperature change is rapid, need tread lightly. Common use: Pull library crockery. Experiment and artistic pottery and porcelain.
6. salt and soda kiln characteristic: Use normally light gas or firewood combustion. Salt or soda introduce in fire process, in order to create distinct frit effect. Advantage: Produce the appearance of distinctive, luster and grain. Can realize oxidation and reducing atmosphere. Defect: Mordant to kiln material, the construction with special need and safeguard. Need skill and experience ability are achieved expect the result. Common use: Artistic pottery and porcelain. Have the stone implement of distinctive appearance grain and china.
Characteristic of 7. hole kiln: Simple, old kiln, it is a hole on the ground substantially. With lumber, charcoal or fire of other and organic material. Advantage: Need very few infrastructure. Produce distinctive earth surface result. Defect: Finite to temperature and atmospheric control. The result is abhorrent, the risk that the spare parts damages is higher. Common use: Primitive the crockery with the tradition. Experimental sex and work of simple pottery and porcelain.
The kiln of every kinds of type has distinct advantage, suit the work of pottery and porcelain of specific sort, make artist and potter OK choose good method according to his demand.
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