CN105107626B - The real-time stirring deferrization process of high ferro rod insulator glaze slip - Google Patents
The real-time stirring deferrization process of high ferro rod insulator glaze slip Download PDFInfo
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- CN105107626B CN105107626B CN201510485300.8A CN201510485300A CN105107626B CN 105107626 B CN105107626 B CN 105107626B CN 201510485300 A CN201510485300 A CN 201510485300A CN 105107626 B CN105107626 B CN 105107626B
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Abstract
The invention discloses a kind of real-time stirring deferrization process of high ferro rod insulator glaze slip, the glaze slip of preparation is put into glaze stock tank, glazing groove is located above glaze stock tank, and the high-strength deironing device of a row is provided with glazing trench bottom, for removing iron to the glaze slip progress glazing process in glazing groove；Glazing groove one end connects glaze stock tank one end by refeed line, glaze slip in glaze stock tank is pumped to the other end away from refeed line in glazing groove by the glaze stock tank other end by circulating pump, so that glaze slip is circulated while glazing between glaze stock tank and glazing groove, using flowing and refeed line flow back glaze slip because gravity belt come impulsive force realize agitating function.This technique is stirred while glazing except iron, both improves de-ferrous effect, ensures that Glaze Composition is uniform again so that the porcelain piece glaze face color after burning till, brightness are consistent.
Description
Technical field
The present invention relates to it is a kind of for high ferro rod insulator glaze slip remove iron new technology, belong to Material Field, the technique
It is mainly used in electric porcelain production manufacturing.
Background technology
Glaze for electric porcelain is attached to the continuous vitreous layer of electroceramics billet surface.It can strengthen electroceramics intensity, improve electroceramics and be situated between
Electrical property, while making electroceramics have the surface of smooth gloss, increases the attractive in appearance of electroceramics.If but contain iron tramp in glaze, it will influence
Porcelain piece outward appearance, produces spot, electroceramics mechanical performance and electric property is significantly reduced, so that porcelain piece Quality Down is caused, when serious
Produce waste product.
Current China ceramic industry glaze slip mainly has deferrization of dry process and wet method to remove the big technique of iron two except iron.Deferrization of dry process equipment
Conventional has pulley separator, cylinder magnetic separator and driving band type magnetic separator etc..Due to there is gap between material and magnetic pole, because
This actually active magnetic field intensity of these equipment for removing ferric ion is very low, and this method is only effective to the ferromagnetism iron mineral in material.And
Usually contain some weak magnetism mineral in electroceramics glaze, such as bloodstone, siderite, these mineral in aforementioned manners cannot
Remove.Wet strong magnetic field equipment for removing ferric ion can remove the part weak magnetism mineral in glaze slip, but wet strong magnetic field removes iron at present
Using a deferrization process after enamel frit makeing, circulation deferrization is not carried out using high-strength deironing device in glazing process, thus there is glazing
When weak magnetic substance exclude not foot phenomenon.
At present except iron hoop section be typically after ball milling formation glaze slip during sieving it is direct to glaze slip using electric magnetic iron remover
Carry out, glaze slip is contained in glazing glaze stock tank, to base substrate glazing by way of soaking glaze or drenching glaze.In order to improve upper enamel
Have in amount, the link using stirring measure.There is inequality in itself using artificial progress, artificial stirring in the stirring of current glazing process
Phenomenon.Meanwhile, glaze slip is that each raw material proportion differs in high-concentration colloid, glaze slip, and the big composition of density is easily precipitated, that is, is also easy to produce
Layering and deposited phenomenon, thereby result in Glaze Composition uneven so that the porcelain piece glaze face color after burning till, brightness are inconsistent.Separately
Outside, glazing process generally no longer carries out removing iron, does not remove iron while glazing, burns till rear glaze iron spot substantially, outside influence product
See and electromechanical properties.
The content of the invention
For deficiencies of the prior art, it is an object of the invention to provide a kind of glaze slip, stirring removes ironworker in real time
Skill, this technique is stirred while glazing except iron, both improves de-ferrous effect, ensures that Glaze Composition is uniform again so that burn till
Porcelain piece glaze face color afterwards, brightness are consistent.
The technical proposal of the invention is realized in this way：
The real-time stirring deferrization process of high ferro rod insulator glaze slip, glaze stock tank, glazing groove position are put into by the glaze slip of preparation
Above glaze stock tank, the high-strength deironing device of a row is provided with glazing trench bottom, for carrying out upper glazer to the glaze slip in glazing groove
Sequence remove iron；Glazing groove one end connects glaze stock tank one end by refeed line, and the glaze stock tank other end is by circulating pump by glaze stock tank
Glaze slip be pumped in glazing groove away from refeed line the other end so that glaze slip while glazing between glaze stock tank and glazing groove
Circulate, using flowing and refeed line flow back glaze slip because gravity belt come impulsive force realize agitating function.
Further, prepared by ball-milling technology after glaze slip, glaze slip sieves through hummer screen and first carries out once removing iron,
It is then old stand-by；Then being placed in again in glaze stock tank is used for glazing, realizes circulating between glaze stock tank and glazing groove.
Cleaning treatment is carried out to high-strength deironing device at regular intervals, to ensure de-ferrous effect.
Electroceramics glaze slip of the present invention carries out once removing iron in ball milling preparation process, then removes iron again in glazing process, on
The ferrikinetics that removes in glaze process is carried out, and with stirring.Compared with prior art, the present invention has the advantages that：
1st, compare from product appearance, rod insulator surface smoothness produced by the invention is improved, the enhancing of glaze bright property,
There is no the generation of irony spot for product.
2nd, compare from quality index, rod insulator produced by the invention is because irony speckle contributions product percent defective is by 10%
It is down to 0%.Significantly improve product appearance so that glaze light is consistent, and no iron spot, rejection rate of porcelain body is significantly carried by 75% before
Up to 92%.
Brief description of the drawings
Fig. 1-glazing of the present invention process glaze slip stirring, circulation automated iron pick-out mechanism schematic diagram.
Fig. 2-glaze slip of the present invention is prepared, stirred and automatic cycle deferrization process flow chart.
Embodiment
The present invention is described in further detail with reference to specific embodiment.
Referring to Fig. 1 and Fig. 2, the real-time stirring deferrization process of high ferro rod insulator glaze slip of the present invention, by the glaze prepared
Slurry is put into glaze stock tank 3, and glazing groove 1 is located at the top of glaze stock tank 3, is provided with the high-strength deironing device 2 of a row in the bottom of glazing groove 1, is used for
Glazing process is carried out to the glaze slip in glazing groove removes iron.The one end of glazing groove 1 connects the one end of glaze stock tank 3, glaze stock tank 3 by refeed line
Glaze slip in glaze stock tank is pumped to the other end away from refeed line in glazing groove 1 by the other end by circulating pump 4, so that glaze slip
Circulated while glazing between glaze stock tank and glazing groove, using flowing and refeed line flow back glaze slip because gravity belt come
Impulsive force realize agitating function.To ensure excellent de-ferrous effect, at regular intervals（Such as 2 hours）To high-strength deironing device
Carry out cleaning treatment.Present invention process flow is shown in Fig. 2.
The present invention realizes glaze slip except iron while glazing, while realizing the real-time stirring of glazing process.The present invention
Stirring is completed by flowing and the impact of slurry itself, and this stirring is evenly, it is to avoid glaze slip layering and deposited phenomenon, therefore glaze
Expect that composition is uniform, the porcelain piece glaze face color after burning till, brightness are consistent.In addition, iron is removed while glazing, and except iron because glaze slip is
It is circulating and be repeated, therefore de-ferrous effect is significantly improved, and burns till rear glaze without iron spot, substantially increases product appearance
And electromechanical properties.
Actual use glaze for electric porcelain granularity of the invention is less than 250 mesh, and the main component of glaze slip is：Quartz, kaolin, lime
Stone, dolomite, feldspar, zircon etc., Fe in formula2O3Impurity accounts for 0.39%.The contained oxide components analysis from glaze slip,
Fe2O3It is weak magnetic substance, remaining oxide composition is namagnetic substance, possesses and carry out removing iron bar using high-strength deironing device
Part.Meanwhile, glaze slip granularity is in below 0.06mm, and its mobility is fine, contained Fe in glaze slip2O3Impurity is that granularity is less than 0.05mm
Following particulate, thus be adapted to be handled with high-strength deironing device.
The multiple circulation deferrization process of glazing process is described in detail with reference to Fig. 1：Glazing is delivered to by enamel frit makeing process
The glaze slip of process is first put into the glaze stock tank 3 of glazing, open the circulation pump 4, is pumped in slurry to glazing groove 1, in glazing bottom land
Portion is provided with the high-strength deironing device 2 of a row, glaze slip is carried out by high-strength deironing device 2 once to remove iron, glazing, and then glaze slip utilizes weight
Power is back in glaze stock tank 3 by refeed line, is realized during backflow using flow-reversing impingement power and the glaze slip in glaze stock tank 3 is stirred, complete
Into an automatic cycle stirring, except iron.Glaze slip is pumped to glazing groove 1 by high-strength magnetic except iron by circulating pump 4 again in glaze stock tank 3
Device carries out secondary except iron, glazing.Glaze slip just realizes multiple automatic stirring, except iron purpose, so as to ensure in above-mentioned cyclic process
Weak magnetic Fe in slurry2O3Content of material is down to 0.08% by 0.39%, realizes porcelain piece any surface finish, immaculate, and electrotechnical porcelain product is qualified
Rate is improved to 92% by 75%, and increase rate reaches 17%, and electromechanical properties improve 10%.
In order to improve de-ironing efficiency and be easy to cleaning, the high-strength deironing device is obliquely installed, to increase tramp iron separator and glaze
The contact area of slurry.Meanwhile, glaze slip bottom of pond is set by left low right high dip in Fig. 1, bottom of pond gradient 1o ~ 2o, to increase impact
Power, while being easy to bottom of pond to clean.Glaze slip bottom of pond end i.e. corresponding with refeed line is high, and glaze slip bottom of pond end corresponding with circulating pump is low.
Fig. 2 is that glaze slip of the present invention is prepared, stirred and automatic cycle deferrization process whole process figure.It is described below, adopts with reference to Fig. 2
Buy back after the glaze come is met the technical requirements after testing with raw material and be respectively put into different material storehouse, then in factory formula ratio
Carry out batch weighing, after weighing add glaze with ball mill and add water, additive carry out processing in small, broken bits, ball milling 25h after detect glaze
Fineness, viscosity, moisture, density are starched, four-index meets blowing after technological requirement, obtains glaze slip after ball milling.Glaze slip is through electric and magnetic oscillation
It is sieved through and except iron, should be then put into old 48h in old use glaze stock tank stand-by except iron is removes iron for the first time.The glaze slip after old
Fig. 1 glazing device is sent into, open the circulation pump pumps glaze slip into glazing groove out of glaze stock tank in the device, through high-strength magnetic
Upper enamel rest glaze slip is returned again under self gravitation effect by refeed line in glaze slip progress glazing, glazing groove after tramp iron separator processing
Into glaze stock tank, glaze slip in glaze stock tank is stirred using impulsive force, an automatic cycle stirring is completed, except iron operation.And
Posterior circle pump again pumps glaze stock tank entoplasm material to glazing groove, carries out secondary except iron, glazing.So repeatedly, it is automatically performed and stirs
Mix, send slurry, except iron, glazing, reflux cycle operation, thus weak magnetic Fe in glaze slip can be made2O3Material reaches at least, realizes preferable
Remove iron purpose.
The deironing apparatus with stirring is used in glazing process of the present invention, overcomes traditional electric porcelain production not removed in glazing process
Iron, the drawbacks of do not stir or be only artificial stirring, still contain fine iron tramp after solving the problems, such as glaze slip processing, it is to avoid electroceramics
Product burns till rear surface and there is tiny blackspot, influence electroceramics product electromechanical properties and presentation quality.
Stir in real time while glazing of the present invention and glaze slip iron removal step under the conditions of high-strength magnetic is repeated, it is ensured that on
Glaze, burn till after product glaze face color, brightness it is consistent, no iron spot, product electromechanical properties are obviously improved.
The above embodiment of the present invention is only example to illustrate the invention, and is not the implementation to the present invention
The restriction of mode.For those of ordinary skill in the field, other can also be made not on the basis of the above description
With the change and variation of form, all embodiments can not be exhaustive here.It is every to belong to technical scheme
Row of the obvious changes or variations amplified out still in protection scope of the present invention.
Claims (3)
1. the real-time stirring deferrization process of high ferro rod insulator glaze slip, it is characterised in that：The glaze slip of preparation is put into glaze stock tank,
Glazing groove is located above glaze stock tank, the high-strength deironing device of a row is provided with glazing trench bottom, for entering to the glaze slip in glazing groove
Row glazing process remove iron；The high-strength deironing device is obliquely installed, to increase the contact area with glaze slip；Glazing groove one end leads to
Cross refeed line and connect glaze stock tank one end, the glaze slip in glaze stock tank is pumped to remote in glazing groove by the glaze stock tank other end by circulating pump
The other end of refeed line so that glaze slip is circulated while glazing between glaze stock tank and glazing groove, using flowing and
Refeed line backflow glaze slip is because the impulsive force that gravity belt is come realizes agitating function；Glaze slip bottom of pond end corresponding with refeed line is high, with
The corresponding glaze slip bottom of pond end of circulating pump is low, so that glaze stock tank bottom of pond tilts 1o ~ 2o.
2. the real-time stirring deferrization process of high ferro rod insulator glaze slip according to claim 1, it is characterised in that：Pass through
Ball-milling technology is prepared after glaze slip, and glaze slip sieves through hummer screen and first carries out once removing iron, then old stand-by；Then put again
It is used for glazing in glaze stock tank, realizes circulating between glaze stock tank and glazing groove.
3. the real-time stirring deferrization process of high ferro rod insulator glaze slip according to claim 1, it is characterised in that：Every
Certain time carries out cleaning treatment to high-strength deironing device, to ensure de-ferrous effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510485300.8A CN105107626B (en) | 2015-08-10 | 2015-08-10 | The real-time stirring deferrization process of high ferro rod insulator glaze slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485300.8A CN105107626B (en) | 2015-08-10 | 2015-08-10 | The real-time stirring deferrization process of high ferro rod insulator glaze slip |
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| Publication Number | Publication Date |
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| CN105107626A CN105107626A (en) | 2015-12-02 |
| CN105107626B true CN105107626B (en) | 2017-09-01 |
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| CN109908800A (en) * | 2019-04-14 | 2019-06-21 | 萍乡市信源电瓷制造有限公司 | One kind is squeezed from equipment and its is squeezed from method based on electric porcelain insulator |
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