CN103882493B - Domestic enamel structure and preparation method thereof - Google Patents
Domestic enamel structure and preparation method thereof Download PDFInfo
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- CN103882493B CN103882493B CN201410135118.5A CN201410135118A CN103882493B CN 103882493 B CN103882493 B CN 103882493B CN 201410135118 A CN201410135118 A CN 201410135118A CN 103882493 B CN103882493 B CN 103882493B
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Abstract
The invention discloses a kind of domestic enamel structure and preparation method thereof, domestic enamel structure comprises bottom, described bottom upwards extends to form the body of upper end open and surrounding sealing, the limit oral area of described body upper end has electrodeposited coating, and the skin of described electrodeposited coating has trivalent chromium layer or Cr VI layer. Owing to being provided with electrodeposited coating at limit oral area by whole limit mouth parcel, the internals of enamel structure product and the external world are separated by, avoid enamel structure product to get rusty; In addition, the skin of electrodeposited coating is trivalent chromium layer, has better rust-proof effect, and adopts trivalent chromium layer, has no side effect. The method of preparing domestic enamel structure adopts the composition percentage composition of glaze to be in technological process: Si02 53-56%，Al2O3 3-5%，Na2O 12-14%，Li2O 5-6%，B2O3 9-12%，CaO 5-7%，TiO23-5%, MgO 1-2%, CoO+NiO+FeO 3-4%, F 3-5%; And acid proofing agent is added in glaze, and volume is 1-8%.
Description
Technical field
The present invention relates to a kind of domestic enamel structure and preparation method thereof, especially relate to the improvement of carrying out for the limit oral area of enamel structure.
Background technology
In domestic enamel structural container, enamel product is common one, and enamel product also can be in pressure cooker, and as pressure cooker bottom container use, enamel originates from glass decoration metal. Ancient Egypt occurs the earliest, is secondly Greece. 6 Century European wire enamel, pick colored enamel, embossment enamel, printing opacity enamel, painted enamel and come out one after another. 8 th century of China start to develop enamel, to 14 the end of the century enamel skill reach its maturity, the goods between the 15th century Ming Dynasty in mid-term Jingtai year are particularly famous, therefore there is the title of cloisonne enamel. 19 beginnings of the century, cast iron enamel is developed in Europe, lay a good foundation, but because foundry engieering was backward at that time, cast iron enamel application is restricted for enamel moves towards commodity by handicraft. In 19th century, the development of all types of industries, impels enamelling sheet steel to rise, the new era of having started modern enamel. 19 end of the century～20 th Century, the appearance of various different performance enamel, the promoting the use of steel plate and other metal materials, the continuous renewal of refractory material, kiln, application of slip technology, has accelerated the development of porcelain enamel industry.
In domestic enamel product, the enamel structure product that kitchen tools are used is more, first applies ground-coat enamel on the metal base of punching press in advance or casting, applies cover-coat enamel (once or for several times) after burning till again, and this is traditional repeatedly application of slip method. Ground-coat enamel is the transition zone mutually combining with metal base, has stronger adherence, and cover-coat enamel is coated on ground-coat enamel, rises and hides background color and give surface and a series of good physical and chemical performance of goods with smooth and beautiful appearance.
At present, antirust for the limit oral area of domestic enamel infrastructure product is mainly to take two kinds of measures: 1. at limit oral area, stainless steel coil is set, owing to thering is stainless steel coil, just do not have rusty stain at limit oral area like this, still, the deficiency of this rust preventing is, other part phase joining places of stainless steel coil and enamel structure product have gap, can remain water stain, of long duration also or can produce rusty stain at joining place, the water that becomes rusty when use can ooze out; 2. enamel structure product forms flange at limit oral area, and limit oral area also can not get rusty like this, but its defect is, surface is smooth not, easily burst porcelain, the cross section of this flange is of long duration still has rusty stain, and this turnup structure makes to be positioned at inner spot and is not easy to clean.
For the defect of above-mentioned existing domestic enamel structure, be necessary to make improvements, work out a kind of new domestic enamel infrastructure product.
Summary of the invention
Technical problem solved by the invention is that a kind of modified domestic enamel structure that can effectively prevent that daily container limit oral area from getting rusty is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: this domestic enamel structure, comprise bottom, and described bottom upwards extends to form the body of upper end open and surrounding sealing, and the limit oral area of described body upper end has electrodeposited coating.
Owing to being provided with electrodeposited coating at limit oral area by whole limit mouth parcel, the internals of domestic enamel structure and the external world are separated by, electroplate limit mouth smooth, good seal performance, there is minute-pressure effect, not only energy-conservation, and acid-fast alkali-proof, avoid enamel structure to get rusty, easy cleaning, graceful fashion, environmental protection; In addition, the skin of electrodeposited coating is trivalent chromium layer, has better rust-proof effect, and adopts trivalent chromium layer, has no side effect, and has reached SGS sanitary standard; Within the scope of safety standard, the skin of electrodeposited coating can also be Cr VI layer.
Further improve and be, the thickness of described trivalent chromium layer is 0.25-0.35 μ m, chromium layer is too thick easily peel off and electroplating cost also high, if too thin its isolation rust inhibition can not be brought into play again, find that through inventor's creative work the chromium layer thickness in above-mentioned scope is the most suitable.
Further improve and be, the thickness of described trivalent chromium layer is 0.29 μ m, and from time of electroplating and the antirust effect of isolation in general, the thickness of trivalent chromium layer is 0.29 μ m the best.
Further improve and be, described electrodeposited coating also has two-layer separate nickel dam, be electroplate with nickel dam in outside chromium layer the inside chromium layer is better sticked on structure of container product, in addition, nickel dam matches and can better play isolation rust-proof effect with chromium layer; Two-layer separate nickel dam is set, and by the particulate particle effect of each interlayer, simultaneously from electroplating technology cost consideration, such structure setting can be played better effect.
Further improve and be, on described body, be also provided with handle, handle is set can person easy to use be used or move, described handle is connected with body by plate, described plate has been embedded in fixed block, in the space that plate is surrounded at handle, form protuberance, described fixed block and body are fixed.
Current existing fixed handle has two schemes: one is all directly to penetrate body by rivet, unfavorable be that rivet can be at body interior side-prominent doing like this, the liquid or other materials that in body, fill can touch rivet, cause having spot and remain in contacting in gap of rivet and body in follow-up cleaning process, as shown in prior art Fig. 1 and 2; Another kind is directly to increase the thickness of handle in grip, then fixes by rivet or other fixed forms, and this scheme has just increased the length of handle, uses and is not very convenient; In technique scheme of the present invention, plate has been embedded in fixed block, in the space that plate is surrounded at handle, forms protuberance, like this, both increased the degree of being connected of handle with body, length that again can extension handle, take too many space, and what take is the space that handle surrounds.
Further improve and be, this domestic enamel structure is for pressure cooker, bottom container as pressure cooker is used, because pressure cooker has pressure, can produce burst porcelain with the enamel pressure cooker limit mouth of Plate Production, therefore, pressure cooker on existing market can only just can make pressure cooker by aluminium and two kinds of materials of stainless steel, and domestic enamel structure of the present invention has and has minute-pressure effect, adopt limit mouth to electroplate, make general steel plate can produce pressure cooker, saved cost, can also utilize enamel to allocate various different colours and decorate pressure cooker.
The present invention also provides a kind of method of preparing domestic enamel structure, adopts the composition percentage composition of glaze to be: Si0 in technological process253-56%，Al2O33-5%，Na2O12-14%，Li2O5-6%，B2O39-12%，CaO5-7%，TiO23-5%, MgO1-2%, CoO+NiO+FeO3-4%, F3-5%; And acid proofing agent is added in glaze, and volume is 1-8%.
Further improve and be, the volume of described acid proofing agent is 5%, and the volume here refers to outer mixing, and does not namely calculate in glaze weight.
Further improve and be, the composition percentage composition of acid proofing agent is: SiO295-99.7%，Fe2O3Be no more than 0.03%, surplus is impurity.
Further improve and be, SiO299.62%，Fe2O30.024%。
Brief description of the drawings
Further describe below in conjunction with accompanying drawing and embodiments of the present invention:
Fig. 1 is the structural representation of prior art domestic enamel structure;
Fig. 2 is the another kind of structural representation of prior art domestic enamel structure;
Fig. 3 is the structural representation of domestic enamel structure of the present invention;
Fig. 4 is the enlarged diagram of domestic enamel structure handle portion of the present invention;
Wherein: 1-bottom, 2-body, 201-limit oral area, 202-stainless steel coil, 203-electrodeposited coating, 204-flange, 3-handle, 4-plate, 4-1-protuberance, 5-space.
Detailed description of the invention
In order further to understand the improvement that the present invention makes prior art, first prior art is illustrated as follows: as shown in Figure 1, this domestic enamel structure is a kind of daily enamel pan, comprise bottom 1, bottom 1 upwards extends to form the body 2 of upper end open and surrounding sealing, limit oral area 201 in body 2 upper ends has stainless steel coil 202, can significantly see from accompanying drawing 1, between stainless steel coil and adjacent enamel pan miscellaneous part, have and be connected seam, its shortcoming is to form rust staining in this linking seam of water stain meeting; As shown in Figure 2, also be a kind of daily enamel pan, comprise bottom 1, bottom 1 upwards extends to form the body 2 of upper end open and surrounding sealing, limit oral area 201 in body 2 upper ends has flange 204, the cross section of this flange 204 is of long duration still has rusty stain, and this turnup structure makes to be positioned at inner spot and is not easy to clean.
For understanding more easily content of the present invention, the left and right that the following stated relates to, is consistent with the orientation in accompanying drawing up and down.
As shown in Figure 3, be a kind of domestic enamel structure, specifically daily enamel pan, comprise bottom 1, described bottom 1 upwards extends to form the body 2 of upper end open and surrounding sealing, and the limit oral area 201 of described body 2 upper ends has electrodeposited coating 203, and the skin of described electrodeposited coating has trivalent chromium layer.
Technique scheme forms daily enamel pan technical process to be had: 1. rough step: the base → well that falls → draw high moulding → trimming → electrode holder hand (according to product needed), forms crude product; 2. acid pickling step: crude product is carried out to the de-rust of degreasing → cleaning → pickling → clean → neutralization → oven dry; 3. glaze preparation: acid proofing agent is added in glaze, and volume is 5%(percentage composition) → ball milling → batching, mill adds, 12 hours → discharging; 4. enamel firing step: the crude product by step in 2. carries out the application of slip, is coated with → dries → be close to → burn till on the glaze by step in 3.; 5. applique process: the enamel product that step is obtained in 4. carries out applique → dry → burn till; 6. plating step: the enamel product that 5. step is obtained carries out limit oral area polishing → plating; 7. be packaged into case.
In above-mentioned technological process, wherein the composition percentage composition of glaze is: Si0253-56%，Al2O33-5%，Na2O12-14%，Li2O5-6%，B2O39-12%，CaO5-7%，TiO23-5%, MgO1-2%, CoO+NiO+FeO3-4%, F3-5%, its concrete preparation method is the same with existing glaze preparation method for material, harmful raw material such as inapplicable leaded, cadmium, barium, sanitary index meets domestic and international relevant criterion requirement.
The composition percentage composition of acid proofing agent is: SiO295-99.7%，Fe2O3Be no more than 0.03%, surplus is impurity; In the present embodiment, the acid proofing agent SiO of employing299.62%，Fe2O30.024%, surplus is impurity. The Main Function that adds acid proofing agent in above-mentioned technological process is to make glaze to carry out the application of slip to crude product, do not add the glaze of this acid proofing agent, after the oral area application of slip of the limit of crude product, can not electroplate, electroplating effect does not far reach and expects that not having effect prevents the object that enamel structure product limit oral area gets rusty in other words.
Study discovery by inventor, also have a kind of glaze also can reach good effect with acid proofing agent combination, the composition percentage composition of this glaze is: SiO253-55%，Al2O31-2%，Na2O11-13%，K2O3-5%，B2O313-15%，TiO25-7%，ZnO4-5%，Li2O2-3%, BaO1-2, F2-3%, its preparation technology is the same with existing glaze, and difference is exactly that component content is different, harmful raw material such as inapplicable leaded, cadmium, barium, sanitary index meets domestic and international relevant criterion requirement.
For the first glaze, 1. specific embodiment mainly contains: Si0253%，Al2O33%，Na2O12%，Li2O6%，B2O39%，CaO5%，TiO25%, MgO1%, CoO+NiO+FeO3%, F3%. The volume of acid proofing agent is 5%.
②：Si0256%，Al2O33%，Na2O12%，Li2O5%，B2O39%，CaO5%，TiO23%, MgO1%, CoO+NiO+FeO3%, F3%. The volume of acid proofing agent is 5%.
③：Si0255%，Al2O33%，Na2O12%，Li2O5%，B2O39%，CaO5%，TiO24%, MgO1%, CoO+NiO+FeO3%, F3%. The volume of acid proofing agent is 5%.
④：Si0253%，Al2O33%，Na2O14%，Li2O6%，B2O39%，CaO5%，TiO23%, MgO1%, CoO+NiO+FeO3%, F3%. The volume of acid proofing agent is 5%.
⑤：Si0253%，Al2O33%，Na2O12%，Li2O5%，B2O312%，CaO5%，TiO23%, MgO1%, CoO+NiO+FeO3%, F3%. The volume of acid proofing agent is 5%.
For the second glaze, 1. specific embodiment mainly contains: SiO255%，Al2O31%，Na2O11%，K2O3%，B2O315%，TiO25%，ZnO4%，Li2O2%, BaO1%, F3%. The volume of acid proofing agent is 5%.
②：SiO253%，Al2O32%，Na2O11%，K2O3%，B2O315%，TiO25%，ZnO4%，Li2O2%, BaO2%, F3%. The volume of acid proofing agent is 5%.
③：SiO253%，Al2O31%，Na2O11%，K2O4%，B2O313%，TiO26%，ZnO5%，Li2O2%, BaO2%, F3%. The volume of acid proofing agent is 5%.
④：SiO255%，Al2O32%，Na2O11%，K2O3%，B2O314%，TiO26%，ZnO4%，Li2O2%, BaO1%, F2%. The volume of acid proofing agent is 5%.
Inventor also finds, acid proofing agent addition can fluctuate a little, and those skilled in the art can make such change as required, and also, acid proofing agent volume is 1-8%, but volume is 5%, is best.
In addition, the thickness of domestic enamel structure trivalent chromium layer of the present invention is 0.25-0.35 μ m, preferably 0.29 μ m; Described electrodeposited coating also has two-layer separate nickel dam, as shown in Figure 4, on body 2, be also provided with handle 3, handle 3 is connected with body 2 by plate 4, plate 4 has been embedded in fixed block, the space 5 interior formation protuberance 4-1 that plate 4 is surrounded at handle 3, described fixed block and body 2 are fixing.
More than show and described general principle of the present invention, principal character and advantage. The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention. The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. prepare a method for domestic enamel structure, comprise glaze preparation process, it is characterized in that, adopt the composition percentage composition of glaze to be: Si0253-56%，Al2O33-5%，Na2O12-14%，Li2O5-6%，B2O39-12%，CaO5-7%，TiO23-5%，MgO1-2%，CoO+NiO+FeO3-4%，F3-5%；
Or in technological process, adopt the composition percentage composition of glaze to be: SiO253-55%，Al2O31-2%，Na2O11-13%，K2O3-5%，B2O313-15%，TiO25-7%，ZnO4-5%，Li2O2-3%，BaO1-2，F2-3%；
And acid proofing agent is added in glaze, and volume is 1-8%.
2. the method for preparing domestic enamel structure according to claim 1, is characterized in that, the volume of described acid proofing agent is 5%.
3. the method for preparing domestic enamel structure according to claim 2, is characterized in that, the composition percentage composition of acid proofing agent is: SiO295-99.7%，Fe2O3Be no more than 0.03%, surplus is impurity.
4. the method for preparing domestic enamel structure according to claim 3, is characterized in that SiO299.62%，Fe2O30.024%。
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| CN201410135118.5A CN103882493B (en) | 2014-04-04 | 2014-04-04 | Domestic enamel structure and preparation method thereof |
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| CN201410135118.5A CN103882493B (en) | 2014-04-04 | 2014-04-04 | Domestic enamel structure and preparation method thereof |
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| CN103882493B true CN103882493B (en) | 2016-05-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492820A (en) * | 2009-02-25 | 2009-07-29 | 王崇哲 | Boiler surface treating method |
| CN101497496A (en) * | 2008-02-02 | 2009-08-05 | 比亚迪股份有限公司 | Porcelain enamel glaze composition, film coating material and preparation thereof |
| CN202775912U (en) * | 2012-08-30 | 2013-03-13 | 武汉安在厨具有限公司 | Plating layer structure of iron enameled pot opening part |
| CN103156507A (en) * | 2011-12-13 | 2013-06-19 | 台州市凤喜电器炊具有限公司 | Cookware in a combination of enamel and brushing electroplating and manufacture method thereof |
| CN203782256U (en) * | 2014-04-04 | 2014-08-20 | 彭兴友 | Daily enamel structure |
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2014
- 2014-04-04 CN CN201410135118.5A patent/CN103882493B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497496A (en) * | 2008-02-02 | 2009-08-05 | 比亚迪股份有限公司 | Porcelain enamel glaze composition, film coating material and preparation thereof |
| CN101492820A (en) * | 2009-02-25 | 2009-07-29 | 王崇哲 | Boiler surface treating method |
| CN103156507A (en) * | 2011-12-13 | 2013-06-19 | 台州市凤喜电器炊具有限公司 | Cookware in a combination of enamel and brushing electroplating and manufacture method thereof |
| CN202775912U (en) * | 2012-08-30 | 2013-03-13 | 武汉安在厨具有限公司 | Plating layer structure of iron enameled pot opening part |
| CN203782256U (en) * | 2014-04-04 | 2014-08-20 | 彭兴友 | Daily enamel structure |
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Effective date of registration: 20180830 Address after: 210000 No. 5-2 Lane thirty-five, Shui Zhai nun, Qinhuai District, Nanjing, Jiangsu Patentee after: Jia Defeng Address before: 210006 No. 5-2 Lane thirty-five, Shui Zhai nun, Qinhuai District, Nanjing, Jiangsu Patentee before: Peng Xingyou |
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