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Cooker, cooking utensil assembly and manufacture method of cooker

A technology for cooking utensils and substrates, which is applied in the field of kitchen utensils, can solve the problems that the heating plate is difficult to achieve three-dimensional heating, affects the environment, iron is easy to rust, etc., and achieves the effects of compact structure, avoiding pollution, and enhancing bonding force.

Pending Publication Date: 2018-07-24
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, because electromagnetic heating can solve the problem that the heating plate is difficult to achieve three-dimensional heating, more and more cooking utensils such as rice cookers, pressure cookers, and induction cookers use electromagnetic heating, but only ferromagnetic metals are used as cooking utensils. Electromagnetic heating can only be realized, so most of the pots are made of stainless steel or stainless steel and aluminum composite materials, and the cost of this material is relatively high
However, there are two problems with the use of iron pans: 1. Iron is easy to rust; 2. The pretreatment process of spraying non-stick coating on the inner surface of the pan adopts phosphating or blackening process, which pollutes a lot and affects the environment

Method used

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  • Cooker, cooking utensil assembly and manufacture method of cooker
  • Cooker, cooking utensil assembly and manufacture method of cooker
  • Cooker, cooking utensil assembly and manufacture method of cooker

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preparation example Construction

[0093] The embodiment of the third aspect of the present invention provides a preparation method of the cooker 100, which is used to prepare the cooker 100 of any of the above embodiments, such as figure 2 As shown, the preparation method includes: step S10, preparing the first alumina layer 20 on the inner wall surface of the iron substrate 10; step S20, spraying the non-stick coating 40 on the layer of the first alumina layer 20.

[0094] The preparation method of the cooker 100 provided by the embodiment of the third aspect of the present invention includes preparing an alumina layer on the inner wall surface of the ferrous base 10, so as to form a first alumina layer 20 on the inner wall surface of the ferrous base 10, A non-stick coating 40 is sprayed on the level of the first aluminum oxide layer 20 . The first aluminum oxide layer 20 is used as an intermediate layer between the non-stick coating 40 and the inner wall surface of the iron substrate 10, and fully utilizes...

Embodiment 1

[0126] Treat at 50°C for 5 minutes in a degreasing solution with a pH value of 8;

[0127] Use deionized water to spray the iron substrate, the spray pressure is 0.2MPa, and the temperature of deionized water is 50°C;

[0128] After the spray treatment, the iron substrate is cleaned with deionized water, and the temperature of the deionized water is 50°C;

[0129] Carry out high-temperature degreasing treatment on the iron substrate, the treatment temperature is 320°C, and the treatment time is 10 minutes;

[0130] The aluminum oxide paint is sprayed on the inner and outer walls of the iron substrate by plasma spraying, where the spraying distance is 90mm, the spraying power is 60W, the spraying current is 480A, the powder feeding rate is 15g / min, and the flow rate of the working gas Ar 30L / min, auxiliary gas H 2 The flow rate is 1L / min, and the film thickness of the first aluminum oxide layer and the second aluminum oxide layer is 50 μm;

[0131] Preheating the ferrous sub...

Embodiment 2

[0138] Treat in a degreasing solution with a pH value of 8.5 at 55°C for 8 minutes;

[0139] Use deionized water to spray the iron substrate, the spray pressure is 0.3MPa, and the temperature of deionized water is 55°C;

[0140] After the spray treatment, the iron substrate is cleaned with deionized water, and the temperature of the deionized water is 55°C;

[0141] Carry out high-temperature degreasing treatment on the iron substrate, the treatment temperature is 350°C, and the treatment time is 10 minutes;

[0142] The aluminum oxide paint is sprayed on the inner and outer walls of the iron substrate by plasma spraying, the spraying distance is 120mm, the spraying power is 80W, the spraying current is 580A, the powder feeding rate is 20g / min, and the flow rate of the working gas Ar 40L / min, auxiliary gas H 2 The flow rate is 2L / min, and the film thickness of the first aluminum oxide layer and the second aluminum oxide layer is 80 μm;

[0143] Non-stick coating spraying: ...

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Abstract

The invention provides a cooker, a cooking utensil assembly and a manufacture method of the cooker. The cooker comprises an iron base body, a first aluminum oxide layer and a non-stick coating. The non-stick coating is attached to the inner wall surface of the iron base body. The non-stick coating is sprayed on a layer surface of the first aluminum oxide layer. Advantages of aluminum oxide such asgreat hardness, compact structure, wear resistance and corrosion resistance are made full use of because the inner wall surface of the iron base body is equipped with the first aluminum oxide layer as an interlayer. Therefore, bonding force between the non-stick coating and the iron base body is improved. The non-stick coating is more firmly attached to the iron base body and used for longer service lifetime. Pollution to the environment is avoided due to phosphorization or oxide treatment by avoiding the defect in the prior art that phosphorization or oxide treatment is needed by the inner wall surface of the iron base body prior to spraying of the non-stick coating.

Description

technical field [0001] The present invention relates to the field of kitchen utensils, more specifically, to a cooker, a cooker assembly including the cooker and a preparation method of the cooker. Background technique [0002] In recent years, because electromagnetic heating can solve the problem that the heating plate is difficult to achieve three-dimensional heating, more and more cooking utensils such as rice cookers, pressure cookers, and induction cookers use electromagnetic heating, but only ferromagnetic metals are used as cooking utensils. Electromagnetic heating can only be realized, so most of the pots are made of stainless steel or stainless steel and aluminum composite materials, and the cost of this material is relatively high. However, there are two problems in the use of iron pans: 1. Iron is easy to rust; 2. The pretreatment process of spraying non-stick coating on the inner surface of the pan adopts phosphating or blackening process, which pollutes a lot an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J36/02C23C4/134C23C4/11
CPCA47J36/025
Inventor 曹达华李康李兴航李洪伟杨玲
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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