Low-expansion barbecue ceramic having antibacterial function and grill made of same
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A low-expansion, ceramic technology, applied in roaster/barbecue grids, applications, kitchen utensils, etc., can solve the problems of expensive spodumene, deformation, cost increase, etc., achieve low expansion coefficient, uniform heating, easy to clean cleaning effect
Inactive Publication Date: 2013-08-07
陆连锁
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Problems solved by technology
At present, the commonly used lithium low-expansion materials are mainly expensive lithium-containing raw materials such as spodumene or lithium carbonate. , and when roasted to about 1000 ° C, it rapidl
Method used
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Embodiment 1
[0036] 1. Weigh the raw materials of the following raw material weight components:
[0038] 2. The raw materials in step 1 are mixed by ball milling to obtain a mixture, and the mixture is pressed to make a ceramic panel for barbecue after dehydration, mud refining, aging and other processes.
[0039] 3. Fire the finished panel at a high temperature of 1290° C. and keep it warm for 50 minutes to produce a low-expansion ceramic panel for barbecue.
Embodiment 2
[0041] 1. Weigh the raw materials of the following raw material weight components:
[0043] 2. The raw materials in step 1 are mixed by ball milling to obtain a mixture, and the mixture is pressed to make a ceramic panel for barbecue after dehydration, mud refining, aging and other processes.
[0044] 3. After firing the finished panel at a high temperature of 1320° C. and keeping it warm for 30 minutes, a low-expansion ceramic panel for barbecue is produced.
Embodiment 3
[0046] 1. Weigh the raw materials of the following raw material weight components:
[0048] 2. The raw materials in step 1 are mixed by ball milling to obtain a mixture, and the mixture is pressed to make a ceramic panel for barbecue after dehydration, mud refining, aging and other processes.
[0049] 3. After firing the finished panel at a high temperature of 1300° C. and keeping it warm for 38 minutes, a low-expansion ceramic panel for barbecue is produced.
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Abstract
The invention discloses a low-expansion barbecue ceramic having an antibacterial function and a grill made of the ceramic and belongs to the technical field of preparation of inorganic material ceramic. The low-expansion ceramic of which the principal crystalline phase is a composite petalite/cordierite complex phase crystal structure is prepared from petalite, kaolin, soapstone and the like by adopting a common ceramic sintering method. The low-expansion ceramic with good thermal stability can be prepared without using expensive lithium-containing raw materials such as spodumene or lithium carbonate; infrared (sterilization) band radiance reaches far infrared (sterilization) band radiance, so that the product not only has a new health-care antibacterial function, but also has effective waste utilization and environment protection significance. The barbecue grill prepared from the ceramic has the following advantages that a ceramic barbecue plane has an antibacterial function, is low in expansion coefficient and also has a bacteria killing effect.
Description
technical field [0001] The invention belongs to the technical preparation field of inorganic material ceramics, in particular to a preparation method of low-expansion barbecue ceramics with antibacterial function. [0002] Background technique [0003] Barbecue, as a popular way of leisure after work, is more and more popular among people. The types of ovens are also increasing with the increase of people's requirements. Traditional ovens are generally made of iron or stainless steel. The advantage is that the heat transfer is fast, but the disadvantage is that the temperature is too high when grilling, which is not safe, especially when a family has children to grill, and it is also quite troublesome to clean. There are also ceramic ovens on the market, such as CN201022643Y, which discloses a Compared with steel ovens, ceramic ovens are safer. [0004] Ceramic materials can be divided into three categories according to the expansion coefficient: high expansion, medium exp...
Claims
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Application Information
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