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Heat preservation device with ceramic inner container

The technology of a thermal insulation device and a ceramic liner is applied in the fields of pots, drinking glasses and thermal insulation cups, which can solve the problems of weak film, easy crack damage, easy falling off and damage, etc., and achieves enhanced thermal insulation effect, easy cleaning, and less harmful substances. Effect

Inactive Publication Date: 2015-11-04
陈守伟 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sprayed film is not firm, easy to fall off and damaged, and it is prone to crack damage under the condition of thermal expansion and contraction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0045] The ceramic coating also includes the following parts by weight: 5 parts of titanium dioxide, 3 parts of zinc oxide, and 3 parts of magnesium oxide; the rest are the same as in Example 1.

[0046] 1. Abrasion resistance: 1.5 kg is pressed on the scouring pad, and it can be rubbed more than 8,000 times; 2. Corrosion resistance: Boiling salt water test, 10% salt water, 48 hours, no foaming, no falling off; 3. Resistance Temperature: above 400 degrees; 4. Hardness: above 6H; 5. Adhesion: 100-grid test method, reaching the first level; 6. Non-sticky; thermal expansion and contraction test: pour 80-100 ℃ hot water and keep it warm After 1 minute, pour out the hot water, immediately add the ice-water mixture, drop down to 0°C, keep it warm for one minute, repeat the above operation, and there is no peeling off and cracking phenomenon after more than 80 times

Embodiment 3

[0048] The ceramic coating also includes a glaze layer, the glaze layer is located on the ceramic layer, that is to say, the ceramic coating is located between the glaze layer and the stainless steel outer bladder, and the glaze layer includes 30 parts of silane , 35 parts of silicon dioxide, 3 parts of nano-silver, and 7 parts of titanium dioxide.

[0049] 1. Abrasion resistance: 1.5 kg is pressed on the scouring pad, and it can be rubbed more than 10,000 times; 2. Corrosion resistance: Boiling salt water test, 10% salt water, 240 hours, no foaming, no falling off; 3. Resistance Temperature: above 500 degrees; 4. Hardness: above 6H; 5. Adhesion: 100-meter test method, reaching special grade; 6. Non-sticky; thermal expansion and contraction test: pour 80-100 ℃ hot water and keep it warm for 1 After 10 minutes, pour out the hot water, immediately add the ice-water mixture, drop to 0°C suddenly, keep it warm for one minute, repeat the above operation, and there is no peeling off...

Embodiment 4

[0051] Step 5 may also include a high-temperature sintering step, heating with built-in electrodes, the sintering temperature is in the range of 1200-1500°C, and the structure through high-temperature sintering is more stable and firm.

[0052] 1. Abrasion resistance: 1.5 kg is pressed on the scouring pad, and it can be rubbed more than 15,000 times; 2. Corrosion resistance: Boiling salt water test, 10% salt water, 240 hours, no foaming, no falling off; 3. Resistance Temperature: above 500 degrees; 4. Hardness: above 6H; 5. Adhesion: 100-meter test method, reaching special grade; 6. Non-sticky; thermal expansion and contraction test: pour 80-100 ℃ hot water and keep it warm for 1 Minutes later, pour out the hot water, immediately add the ice-water mixture, drop to 0°C, keep warm for one minute, repeat the above operation, more than 500 times, there is no peeling, falling off and cracking phenomenon; 7. For acid-base test, pour 10% concentration of hydrochloric acid, after 30 d...

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Abstract

The invention provides a heat preservation device with a ceramic inner container, for further improving the heat preservation effect of existing vacuum cups, kettles and drinking cups, and overcoming the defects that stainless steel cups easily precipitate harmful substances and glass inner containers or ceramic inner containers are easily broken. The heat preservation device with the ceramic inner container is better in heat preservation effect, more attractive, unlikely to damage, better in corrosion resistance, easy to clean and good in mouthfeel when being used for accommodating water. The heat preservation device comprises a stainless steel outer container, a stainless steel vacuum inner container and a ceramic coating, wherein the ceramic coating is positioned on the inner wall of the stainless steel vacuum inner container; the ceramic coating is prepared from the following raw materials: 30-40 parts of silica sol, 25-50 parts of silane coupling agent, 2-8 parts of iron ions, 2-8 parts of manganese ions, mixed acid and 50-80 parts of white steel; and the mixed acid comprises acetic acid and acrylic acid. The heat preservation device, which has good attrition, acid, alkali, cold, heat and corrosion resistance, is suitable for popularization and application.

Description

technical field [0001] The invention relates to the field of daily necessities, in particular to a thermal insulation device with a ceramic liner, and more specifically, to a thermal insulation cup, pot and drinking cup with a liner. Background technique [0002] Thermos cups, pots and drinking cups are generally stainless steel containers with a vacuum layer for containing liquids, with or without a cover on the top. The vacuum insulation layer can delay the heat dissipation of water and other liquids inside to achieve heat preservation or cold preservation. . [0003] Thermos cups, jugs and drinking cups are developed from thermos bottles. The principle of heat preservation is the same as that of thermos bottles, but people make bottles into cups for convenience. There are three ways of heat transmission: radiation, convection and transfer. The inner wall of the inner tank of the thermos cup or drinking glass is usually electrolytic process, the vacuum of the outer shell...

Claims

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Application Information

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IPC IPC(8): A47G19/22A47G23/04C04B35/10C04B35/622
Inventor 陈守伟徐競赛
Owner 陈守伟
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