CN105463169B - A kind of method being surface-treated to cast iron cooker and cast iron cooker - Google Patents
A kind of method being surface-treated to cast iron cooker and cast iron cooker Download PDFInfo
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- CN105463169B CN105463169B CN201510875545.1A CN201510875545A CN105463169B CN 105463169 B CN105463169 B CN 105463169B CN 201510875545 A CN201510875545 A CN 201510875545A CN 105463169 B CN105463169 B CN 105463169B
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- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000012545 processing Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 30
- 239000008158 vegetable oil Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 238000005266 casting Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 11
- 239000008157 edible vegetable oil Substances 0.000 claims description 7
- 235000019483 Peanut oil Nutrition 0.000 claims description 3
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 3
- 239000004006 olive oil Substances 0.000 claims description 3
- 235000008390 olive oil Nutrition 0.000 claims description 3
- 239000000312 peanut oil Substances 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 235000019482 Palm oil Nutrition 0.000 claims description 2
- 235000019774 Rice Bran oil Nutrition 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 235000005687 corn oil Nutrition 0.000 claims description 2
- 239000002285 corn oil Substances 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- 239000000944 linseed oil Substances 0.000 claims description 2
- 235000021388 linseed oil Nutrition 0.000 claims description 2
- 239000002540 palm oil Substances 0.000 claims description 2
- 239000008165 rice bran oil Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 230000003078 antioxidant effect Effects 0.000 abstract description 6
- 239000003963 antioxidant agent Substances 0.000 abstract description 5
- 235000006708 antioxidants Nutrition 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Frying-Pans Or Fryers (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of method being surface-treated to cast iron cooker, this method includes：1) by after cast iron cooker polishing cleaning, vegetable oil is coated on its surface；2) cast iron cooker for being coated with vegetable oil is heat-treated；Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment is included from room temperature to 300 DEG C, and the high-temperature baking processing is toasted 15 25 minutes including cast iron cooker is placed in into 300 600 DEG C, and the cooling processing includes being cooled to room temperature from 300 DEG C.The cast iron cooker that this method processing is obtained has well anti-oxidant, the anti-function and non-stick nature got rusty, and the cooker uses the wide and longer service life of scope, this method environmental protection, simple, the popularization of suitable cast iron cooker processing.
Description
Technical field
The present invention relates to the processing of cooker and manufacture craft, in particular it relates to which a kind of be surface-treated to cast iron cooker
Method and cast iron cooker.
Background technology
The life of cooker and people are closely bound up, and wherein cast iron cooker is one of most common, most traditional cooker.But cast iron
Cooker gets rusty easily in air and water in the presence of simultaneously makes surface scaling, has a strong impact on outward appearance and service life.In addition, being
Reduction oil smoke, live more environmentally-friendly, people often prefer using easy cleaning, can light pan-fried cooked food non-stick pan.
At present, those skilled in the art will be generally handled cast iron cooker surface, and common method is such as in cooker table
Face spraying non-viscous paint (such as polytetrafluoroethylene (PTFE)) or ceramic coating.CN102641078B discloses a kind of making of non-sticking cooking utensils
Method, this method is molded by cooker, is surface-treated, meltallizing processing, spraying non-viscous paint (poly- fluororesin), sintering etc. step it is complete
Into the making of non-sticking cooking utensils.This method is extremely complex, and the cast iron products of such spray-on coating, and anchoring strength of coating is not high,
Once there is part to be corroded coating spreading quickly, coating large area is caused to come off, metallic matrix rust corrosion quickly.And it is this
Characteristic determines that this product can not use spades cooking, greatly limit its application.And the product of ceramic coating, due to ceramics
Fragility is big, and rapid heat cycle has the possibility burst during use, and slight crack once occurs, will be unable to repair, coating large area
Expand, cause cooker metallic matrix to corrode, greatly reduce service life.In addition, above-mentioned method is all present, cost is too high to ask
Topic.
Therefore, in view of irreplaceability of the cast iron cooker in life, this area is needed badly a kind of with well anti-oxidant
And the processing method of non-adhesion behavior, cooker applied widely and cooker.
The content of the invention
It is an object of the invention to overcome in the method at above-mentioned existing cast iron cooker surface high cost, complex process and
There is provided a kind of method being surface-treated to cast iron cooker and cast iron cooker for the defect such as properties of product are bad.
The present inventor is had found by studying, by pre- after the cast iron cooker that vegetable oil is coated to after cleaning polishing
The product surface obtained after heat treatment, high-temperature baking processing and cooling processing can form the bright coating of black, the coating uniform
Cooker surface is covered with good anti-oxidant, the anti-function of getting rusty, and the cooker after processing has non-stick nature, meanwhile,
The cooker reduces internal stress, improves internal structure structure stability, add the toughness of cooker so that cook a meal by heat treatment
Tool is indeformable, do not ftracture, and physical property is further improved.This method cost is low, simple and easy to apply, is particularly suitable for high-volume cooker table
Face is handled.
To achieve these goals, on the one hand, the present invention provides a kind of method being surface-treated to cast iron cooker, should
Method comprises the following steps：
1) by after cast iron cooker polishing cleaning, vegetable oil is coated on its surface；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment include from
Room temperature is to 300 DEG C, and the high-temperature baking processing is toasted 15-25 minutes including cast iron cooker is placed in into 300-600 DEG C, described
Cooling processing includes being cooled to room temperature from 300 DEG C.In the present invention, room temperature refers to 20 ± 5 DEG C.
Preferably, in order to further improve processing after cast iron cooker anti-oxidant and non-adhesion behavior, in step 1) in, cast iron
The thickness of cooker surface coating vegetable oil is 3-12 μm, more preferably 4-10 μm.Cast iron cooker surface coating vegetable oil
When thickness is less than 3 μm, poor effect, and more than more than 12 μm, the effect gain to processing is little, causes unnecessary waste.
In the step 1 of the present invention) in, the method for the polishing cleaning can be according to method commonly used in the art, such as ball blast, water
Power is cleaned and then dried.
In the present invention, it is preferred in the case of, in step 2) in, the programming rate of the pre-heat treatment is 0.4-0.6 DEG C/s.
In the present invention, it is preferred in the case of, in step 2) in, the process of the high-temperature baking processing includes rising from 300 DEG C
300 DEG C of the second baking stage is down to 600 DEG C of the first baking stages and from 600 DEG C, wherein, the first baking stage
The cooling rate in programming rate and the second baking stage independently is 0.4-0.6 DEG C/s.
In the present invention, it is preferred in the case of, in step 2) in, the speed of the cooling processing is 0.15-0.3 DEG C/s.
In the present invention, step 2) heat treatment process independently can be carried out in single baking box or baking oven, can also be
Carried out in same baking box or baking oven, it is preferable that heat treatment process is in the same baking box cooled with temperature programming and program or baking
Carried out in case.The heat treatment process of the present invention also functions to facilitation to the physical property of cast iron cooker.
In the present invention, the vegetable oil is not particularly limited, and can be vegetable oil commonly used in the art, such as institute
State vegetable oil can be edible vegetable oil, the edible vegetable oil be peanut oil, soybean oil, cottonseed oil, linseed oil,
One or more in rice bran oil, corn oil, castor oil, olive oil, palm oil and rapeseed oil.The edible oil of the present invention is simple
It is easy to get, without other coating additives, more environmentally-friendly health！
On the other hand, the present invention also provides a kind of cast iron cooker, and the cast iron cooker enters by above-mentioned to cast iron cooker
The method processing of row surface treatment.The cast iron cooker of the present invention is preferably anti-oxidant due to it, prevents metallic matrix from getting rusty, has
Longer service life, in addition, cooker in use edible oil slowly carbon distribution can further strengthen strength of coating.The present invention
Cast iron cooker can be the common cooker in this area, such as pot, basin, Barbecuing plate, tappasaki.
The cooker that the present invention is provided, the pitch-dark light in surface, more attractive in appearance, health environment-friendly.
Compared with prior art, the advantage of the invention is that：1. the method cost that the present invention is provided is low, simple and easy to apply；2.
Vegetable oil is only used only in the method that the present invention is provided, without other chemical compositions, more environmentally-friendly, health；3. the present invention's
Method processing cast iron cooker applicability is more preferable, service life is longer.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention will be described in detail by way of examples below.
In the examples below, the process of heat treatment (recalls triumphant prosperous automatic chemical industry in Suzhou in high temperature (800 degree of the highest temperature) baking box
Industry equipment Co., Ltd manufactures) middle progress.
Embodiment 1
A kind of method being surface-treated to cast iron cooker, this method comprises the following steps：
1) casting iron pan is polished and cleaned, the method for polishing cleaning is first ball blast, then is washed, and is then dried, finally in its table
Face coating vegetable oil (peanut oil), the thickness of cast iron cooker surface coating vegetable oil is 7 μm；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment include from
Room temperature is to 300 DEG C, and the programming rate of the pre-heat treatment is 0.45 DEG C/s；The process of high-temperature baking processing include from
300 DEG C rise to 600 DEG C of the first baking stage and 300 DEG C of the second baking stage are down to from 600 DEG C, wherein, described first dries
The cooling rate in the programming rate in roasting stage and the second baking stage is 0.5 DEG C/s；The cooling processing is included from 300
Room temperature DEG C is cooled to, the speed of the cooling processing is 0.25 DEG C/s.After treatment, the casting iron pan A1 after being handled.
Embodiment 2
A kind of method being surface-treated to cast iron cooker, this method comprises the following steps：
1) casting iron pan is polished and cleaned, the method for polishing cleaning is first ball blast, then is washed, and then dries, is applied on its surface
Vegetable oil (olive oil) is covered, the thickness of cast iron cooker surface coating vegetable oil is 10 μm；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment include from
Room temperature is to 300 DEG C, and the programming rate of the pre-heat treatment is 0.6 DEG C/s；The process of high-temperature baking processing include from
300 DEG C rise to 600 DEG C of the first baking stage and 300 DEG C of the second baking stage are down to from 600 DEG C, wherein, described first dries
The programming rate in roasting stage is 0.6 DEG C/s and the cooling rate in the second baking stage is 0.4 DEG C/s；The cooling processing bag
Include and room temperature is cooled to from 300 DEG C, the speed of the cooling processing is 0.15 DEG C/s.After treatment, the cast iron after being handled
Pot A2.
Embodiment 3
A kind of method being surface-treated to cast iron cooker, this method comprises the following steps：
1) casting iron pan is polished and cleaned, the method for polishing cleaning is first ball blast, then is washed, and then dries, is applied on its surface
Vegetable oil (rapeseed oil) is covered, the thickness of cast iron cooker surface coating vegetable oil is 4 μm；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment include from
Room temperature is to 300 DEG C, and the programming rate of the pre-heat treatment is 0.4 DEG C/s；The process of high-temperature baking processing include from
300 DEG C rise to 600 DEG C of the first baking stage and 300 DEG C of the second baking stage are down to from 600 DEG C, wherein, described first dries
The programming rate in roasting stage independently is 0.6 DEG C/s for 0.4 DEG C/s and the second baking stage cooling rate；The cooling
Processing includes being cooled to room temperature from 300 DEG C, and the speed of the cooling processing is 0.3 DEG C/s.After treatment, after being handled
Casting iron pan A3.
Embodiment 4
A kind of method being surface-treated to cast iron cooker, this method comprises the following steps：
1) casting iron pan is polished and cleaned, the method for polishing cleaning is first ball blast, then is washed, and then dries, is applied on its surface
Vegetable oil (soybean oil) is covered, the thickness of cast iron cooker surface coating vegetable oil is 12 μm；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment include from
Room temperature is to 300 DEG C, and the programming rate of the pre-heat treatment is 0.45 DEG C/s；The high-temperature baking processing includes cooking a meal in cast iron
Tool is placed in 500 DEG C and toasted 20 minutes；The cooling processing includes being cooled to room temperature from 300 DEG C, and the speed of the cooling processing is
0.25℃/s.After treatment, the casting iron pan A4 after being handled.
Embodiment 5
According to the method being surface-treated to cast iron cooker of embodiment 1, except that, in step 1) described in it is pre-
The programming rate of heat treatment is 2 DEG C/s；After treatment, the casting iron pan A5 after being handled.
Embodiment 6
According to the method being surface-treated to cast iron cooker of embodiment 1, except that, in step 2) described in
The cooling rate in the programming rate in one baking stage and the second baking stage is 3 DEG C/s；After treatment, handled
Casting iron pan A6 afterwards.
Embodiment 7
According to the method being surface-treated to cast iron cooker of embodiment 1, except that, in step 2) described in drop
The speed of temperature processing is 2 DEG C/s；After treatment, the casting iron pan A7 after being handled.
Embodiment 8
According to the method being surface-treated to cast iron cooker of embodiment 1, except that, in step 1) described in cast
The thickness of iron kitchen utensils surface coating vegetable oil is 1 μm；After treatment, the casting iron pan A8 after being handled.
Comparative example
As embodiment 1 the method being surface-treated to cast iron cooker, except that, step 2) heat treatment process
Baking 20 minutes in 400 DEG C, after treatment, the cast iron after being handled are placed in be directly coated with the casting iron pan of vegetable oil
Pot D1.
Test case
Casting iron pan A1-A8 and D1 after the processing that embodiment 1-8 and comparative example are obtained carry out performance measurement.Specifically
Ground：
1st, as reuse and application for container part coating, detection resinae polymer type coating or other
The content of extract in material, according to United States food and drag administration's relevant regulations (Test for F.D.A.Regulation
The CFR of on Resinous and Polymeric Coating, U.S.Food and Drug Administration 21
Part 175.300, clause c3) carry out, test result is as shown in table 1.
Specifically：Container water capacity=450000mg；0.005% container water capacity=22.5mg；
Food-contacting surface product=40.3in2；Limitation=0.56mg//in of related 0.005% container water capacity2
Fixed limitation (fixed limit)=18mg//in2；Used after high-temperature sterilization (120 DEG C).
Table 1
Data from table 1, it can be seen that the cast iron cooker that the present invention is handled meets the food regulation related to medicine.
2nd, the test sample dissolution required according to the CPG7117.05 of United States food and drag administration on other metals
Property lead, A1-A8 and D1 meet the requirement of above-mentioned file.
3rd, corrosion resistance test
According to the method for testing of the non-sticky coatings of NFD21-511, specifically：By 10%NaCl solution (distilled water and sodium chloride
Configuration) add in A1-A8 and D1, untreated casting iron pan, add at 1/2 volume, be heated to boiling, keep micro-boiling 20 hours,
Midway is not added with distilled water to keep solution concentration, cleans and dries, as a result as shown in table 2.
Table 2
4th, non-stick is tested
According to the method for testing of the non-sticky coatings of NFD21-511, specifically：A1-A8 and D1 is cleaned with clean water, it is untreated
Casting iron pan inner surface, heating its internal surface temperature is maintained at 150-170 DEG C, the egg broken is put into pot, is not added with
Enter edible oil, be heated to that untill egg cooks, finally egg being taken the dish out of the pot with plastics/wooden spatula.As a result standard：Make chicken with spatula
Egg residue completely falls off (7-10 points) good as non-stick, is not completely fallen off if egg is exhibition, the block wet gauze that differs holds
Easy cleaning is then general (4-6 points), and it is then bad (1-3 points) that can not be washed with wet gauze, and the higher explanation non-stick of fraction is more
Good, concrete outcome is as shown in table 3.
Table 3
| As a result | |
| A1 | Good (9 points) |
| A2 | Good (9 points) |
| A3 | Good (9 points) |
| A4 | Good (8 points) |
| A5 | Good (8 points) |
| A6 | Good (7 points) |
| A7 | Good (7 points) |
| A8 | Typically (6 points) |
| D1 | Typically (5 points) |
| Untreated casting iron pan | Bad (2 points) |
From the results shown in Table 3, cast iron pan of the invention has good non-stick.The further survey of the present invention
Examination finds that casting iron pan of the invention still has good non-stick when above-mentioned test carried out 20 times, it should be noted that
Inventor changes the plastics in above-mentioned method of testing/wooden spatula into spades and remains able to realize inside good non-stick, pot
There is not exception in surface.Other inventor has also carried out above-mentioned test using the non-stick pan of the polytetrafluoroethylene (PTFE) of purchase, does not glue
Performance is especially good (10 points), still, and when plastics/wooden spatula changes spades into, more cut occurs in non-stick pan interior surface,
After cleaning up, however it remains, illustrate to destroy polytetrafluorethylecoatings coatings.
To sum up, the invention provides the cast iron cooker after method processing have it is good it is corrosion-resistant, anti-get rusty, it is anti-oxidant
Property, also with good non-stick nature, while the cooker applicability more preferably (is not afraid of spades, shock such as) and the longer use longevity
Life, this method cost is relatively low, simple and easy to apply, more environmentally-friendly health, with huge application value.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.In addition, any group can also be carried out between a variety of embodiments of the present invention
Close, as long as it is without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (4)
1. a kind of method being surface-treated to cast iron cooker, it is characterised in that this method comprises the following steps：
1) by after cast iron cooker polishing cleaning, vegetable oil is coated on its surface；
2) cast iron cooker for being coated with vegetable oil is heat-treated；
Wherein, the heat treatment includes the pre-heat treatment, high-temperature baking processing and cooling processing；The pre-heat treatment is included from room temperature
300 DEG C are warming up to, the high-temperature baking processing is toasted 15-25 minutes including cast iron cooker is placed in into 300-600 DEG C, the cooling
Processing includes being cooled to room temperature from 300 DEG C；The programming rate of the pre-heat treatment is 0.4-0.6 DEG C/s；At the high-temperature baking
The process of reason includes rising to 600 DEG C of the first baking stage from 300 DEG C and being down to 300 DEG C of the second baking stage from 600 DEG C, its
In, it is described first baking the stage programming rate and it is described second baking the stage cooling rate independently be 0.45-0.55 DEG C/
s；The speed of the cooling processing is 0.15-0.3 DEG C/s；In step 1) in, the thickness of cast iron cooker surface coating vegetable oil is
3-12μm。
2. according to the method described in claim 1, it is characterised in that the vegetable oil is edible vegetable oil.
3. method according to claim 2, it is characterised in that the edible vegetable oil is peanut oil, soybean oil, cotton
One or more in seed oil, linseed oil, rice bran oil, corn oil, castor oil, olive oil, palm oil and rapeseed oil.
4. a kind of cast iron cooker, it is characterised in that the cast iron cooker pass through in claim 1-3 described in any one to casting
The method processing that iron kitchen utensils are surface-treated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510875545.1A CN105463169B (en) | 2015-12-02 | 2015-12-02 | A kind of method being surface-treated to cast iron cooker and cast iron cooker |
| CN201710501678.1A CN107245562B (en) | 2015-12-02 | 2015-12-02 | The method that a kind of pair of cast iron cooker is surface-treated |
| CN201710501697.4A CN107254574B (en) | 2015-12-02 | 2015-12-02 | The method that a kind of pair of cast iron cooker is surface-treated |
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| CN107321929B (en) * | 2017-06-29 | 2019-07-23 | 河北淘啊科技有限公司 | A kind of casting iron pan production technology |
| CN107574403B (en) * | 2017-09-13 | 2019-04-16 | 佛山市高明福煌五金制品实业有限公司 | A kind of process of surface treatment of cast iron |
| CN108103291A (en) * | 2017-12-07 | 2018-06-01 | 中国科学院金属研究所 | A kind of anti-corrosion treatment process of cast-iron electric-cooker inner container |
| CN108456877A (en) * | 2018-03-09 | 2018-08-28 | 广州渡和堂文化有限公司 | A kind of surface treatment method of iron pot |
| CN111321404A (en) * | 2020-03-21 | 2020-06-23 | 邢台戈兰厨具有限公司 | Cooker and method for forming golden protective layer on cooker |
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| CN103239139A (en) * | 2013-05-06 | 2013-08-14 | 三穗宏立厨具有限公司 | Rare earth alloy iron pan and production method thereof |
| JP2015160971A (en) * | 2014-02-26 | 2015-09-07 | 及源鋳造株式会社 | Surface treatment method of cast iron product, and cast iron product |
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| CN1068861A (en) * | 1992-07-06 | 1993-02-10 | 宋兆光 | The processing method of the antirust processing of iron pan |
| CN1257685A (en) * | 1998-12-18 | 2000-06-28 | 陈邦仪 | Ferroselenium pot and its making technology |
| UA68163U (en) * | 2011-12-20 | 2012-03-12 | Юрий Николаевич Згибнев | Method for producing cast-iron dishware |
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| CN103239139A (en) * | 2013-05-06 | 2013-08-14 | 三穗宏立厨具有限公司 | Rare earth alloy iron pan and production method thereof |
| JP2015160971A (en) * | 2014-02-26 | 2015-09-07 | 及源鋳造株式会社 | Surface treatment method of cast iron product, and cast iron product |
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| CN107254574A (en) | 2017-10-17 |
| CN107245562A (en) | 2017-10-13 |
| CN107245562B (en) | 2019-01-01 |
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