CN108941445A - A kind of application method of Rotating caster release agent - Google Patents
A kind of application method of Rotating caster release agent Download PDFInfo
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- CN108941445A CN108941445A CN201810860759.5A CN201810860759A CN108941445A CN 108941445 A CN108941445 A CN 108941445A CN 201810860759 A CN201810860759 A CN 201810860759A CN 108941445 A CN108941445 A CN 108941445A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
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Abstract
The invention discloses a kind of application methods of Rotating caster release agent, belong to Copper Anode Plate Casting field.A kind of application method of Rotating caster release agent of the invention is when release agent uses, release agent is coated to copper mold chamber cavity inner surface, sinter layer is formed after copper liquid casting between copper liquid and copper mold chamber cavity inner surface and copper anode plate is isolated with copper mold chamber cavity；The release agent includes aluminium silicon systems silicate mineral, sodium carboxymethylcellulose, composite superfine powder and additive.A kind of application method of Rotating caster release agent of the present invention forms sinter layer between copper mold and copper anode plate, to buffer action is played between copper mold and copper anode plate, extends copper mold service life, improves copper anode plate type quality.
Description
Technical field
The present invention relates to Copper Anode Plate Casting fields, more specifically to a kind of making for disc pouring machine release agent
Use method.
Background technique
In existing Copper making technique, the casting of copper anode plate is very important a procedure, and Outokumpu is round
Disk casting is the current widely applied technique of metallurgy of copper industry both at home and abroad, it is with copper sheet weight compared with traditional hand teeming
The advantages that amount fluctuation is small, and casting process is continuous, and casting efficiency is high, the mold used is divided into punching block and copper mold.Punching block will not be sent out
Green anode plate and the phenomenon that mold adhesion, does not need using release agent, but manufacturing enterprise can not self-healing damage punching block,
Cause punching block easy to damage, maintenance cost is high.Therefore, copper mold is widely applied in Copper making casting process.But due to
Copper water and copper mold be there are biggish temperature gradient in casting process, there are copper water splash when casting, copper anode when cooling and demoulding
Plate generates bending deformation, the fracture of copper anode plate ear, and the distortion of copper mold ear causes copper anode plate surface smoothness difference etc. a series of
Problem.And heavy pressure of working continuously significantly reduces the service life of copper mold, therefore just must during casting
Release agent must be used.
Release agent is usually powdery, is divided into use and directly smears dry powder or dry powder and water are mixed to form milkiness
Two ways is sprayed after liquid.In casting process, there are biggish temperature gradient between copper water and copper mold, high temperature can make copper mold office
Portion melts, and leads to anode plate sticking to mould, the presence of release agent can separate anode plate and copper mold, and reasonable employment release agent not only may be used
To improve the appearance of anode plate, the service life of copper mold can also be extended.
Current most of cupper smeltings are using blanc fixe or the compound release agent containing blanc fixe.
Through retrieving, the title of innovation and creation are as follows: a kind of application method of Copper Anode Plate Casting release agent (application number:
201410475140.4, applying date: 2014-09-17), a kind of Copper Anode Plate Casting release agent is disclosed in this application
Application method, comprising the following steps: prepare release agent emulsion；Spray release agent emulsion；Release agent emulsion forms demoulding
Agent protective layer；Release agent protective layer is sintered to form release agent sinter layer；Release agent sinter layer and anode plate are detached from, the copper anode
Plate casting is a kind of compound release agent with release agent, and composition includes 30%~70% barium sulfate, 2.5%~15% by mass
Boron oxide, 20%~45% silica, 1%~8% calcium oxide and 1%~7% aluminium oxide.This application is to a certain extent
The occurrence of copper mold and anode plate adhesion can be reduced, but compound release agent used in this method still uses precipitated sulfur
Sour barium is as basic raw material, in the production process of blanc fixe, it is most of using barites as raw material, in production process
It generates a large amount of particulate matters, exhaust gas, waste water and waste residue to pollute to environment, and the service life of copper mold needs further to be mentioned
It is high.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome and pollution high for release agent cost of manufacture in the prior art in the prior art
The problem of environment, a kind of application method of Rotating caster release agent is provided, release agent used in the application method utilizes
Aluminium silicon systems silicate mineral from a wealth of sources is raw material, and release agent is coated to copper mold chamber cavity inner surface, after copper liquid casting
It forms sinter layer between copper liquid and copper mold chamber cavity inner surface copper anode plate is isolated with copper mold chamber cavity, to copper mold and copper anode
Buffer action is played between plate, is extended copper mold service life, is improved the type quality of copper anode plate.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of application method of Rotating caster release agent of the invention, release agent in use, by release agent coat to
Copper mold chamber cavity inner surface, copper liquid casting after between copper liquid and copper mold chamber cavity inner surface formed sinter layer by copper anode plate with
The isolation of copper mold chamber cavity；Above-mentioned release agent includes aluminium silicon systems silicate mineral, sodium carboxymethylcellulose, composite superfine powder and adds
Add agent.
Preferably, the specifically used method of release agent is as follows: release agent adds water to be mixed into suspension；Copper mold is preheated, by copper
Die cavity heating；Above-mentioned suspension is sprayed into copper mold chamber cavity inner surface；Above-mentioned suspension water on copper mold chamber cavity inner surface
Evaporation is divided to form release agent drying layer；Copper liquid is poured into copper mold chamber cavity, above-mentioned release agent drying layer is in copper liquid and copper mold chamber
Sinter layer is formed between cavity inner surface；Copper liquid is frozen into copper anode, and sinter layer is separated with copper anode.
Preferably, in the step of release agent adds water to be mixed into suspension, water of the water and release agent of addition in quality is solid
Than are as follows: the value range of K:1, K are 4.5~5.5, and water temperature is 60~70 DEG C.
Preferably, in the step of preheating copper mold, copper mold chamber is heated up, copper mold chamber is warming up to 170~220 DEG C.
Preferably, during above-mentioned suspension being sprayed into copper mold chamber cavity inner surface, the spray of copper mold chamber cavity inner surface
The amount of the suspension of painting is 2.2~3.2kg/m2。
Preferably, release agent includes kaolin, kyanite, andalusite, silicon powder, sodium carboxymethylcellulose, compound ultra micro
Powder and additive.
Preferably, composite superfine powder includes activity Al2O3Powder and melt of si O2Micro mist.
Preferably, additive includes sodium pyrophosphate and dextrin.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) application method of a kind of Rotating caster release agent of the invention, in release agent in use, release agent is applied
It covers to copper mold chamber cavity inner surface, forms sinter layer after copper liquid casting between copper liquid and copper mold chamber cavity inner surface for copper anode
Plate is isolated with copper mold chamber cavity；Release agent includes aluminium silicon systems silicate mineral, sodium carboxymethylcellulose, composite superfine powder and addition
Agent；A kind of application method of Rotating caster release agent of the present invention forms sinter layer between copper mold and copper anode plate, to copper
Buffer action is played between mould and copper anode plate, extends copper mold service life, improves copper anode plate type quality.
(2) application method of a kind of Rotating caster release agent of the invention, release agent used in this method use
Using the aluminium silicon systems material such as nature kaolin from a wealth of sources, substitute that traditional price is higher and the precipitating of production process high pollution
BaSO4, a certain amount of compound additive is added, the release agent for meeting production requirement is made, plays good environmental protection and economy
Benefit.
(3) application method of a kind of Rotating caster release agent of the invention, release agent used in this method and same
Blanc fixe release agent used in industry is compared, and the release agent of ton copper consumption reduces by 15%~20% on year-on-year basis, is significantly dropped
Low production cost has significant economic benefit；Promotion prospect is had a vast market, the copper mold of copper anode plate is particularly suitable for
In casting process.
Detailed description of the invention
Fig. 1 is copper mold structural schematic diagram in the present invention；
A kind of process for using figure of the application method of Rotating caster release agent of Fig. 2 present invention.
Label declaration in schematic diagram:
100, copper mold；110, copper mold chamber.
Specific embodiment
Hereafter to the detailed description of exemplary embodiment of the present invention with reference to attached drawing, which forms one of description
Point, it has been shown as example enforceable exemplary embodiment of the invention in the figure.Although these exemplary embodiment quilts
Sufficiently describe in detail so that those skilled in the art can implement the present invention, it is to be understood that can realize other embodiments and
Can without departing from the spirit and scope of the present invention to the present invention various changes can be made.Hereafter to the embodiment of the present invention
More detailed description is not limited to required the scope of the present invention, and just to be illustrated and do not limit pair
The description of the features of the present invention and feature to propose to execute best mode of the invention, and is sufficient to make those skilled in the art
It can implement the present invention.Therefore, the scope of the invention is only defined by the appended claims.
Hereafter detailed description of the present invention and example embodiment are more fully understood in combination with attached drawing, wherein of the invention
Element and feature are identified by appended drawing reference.
Embodiment 1
Referring to Figures 1 and 2, the application method of a kind of Rotating caster release agent of the invention are as follows:
Release agent adds water to be mixed into suspension；Specific steps are as follows: by water-solid ratio in quality of water and release agent be K: 1, K
Value range be 4.5~5.5, water temperature be 60~70 DEG C；Water-solid ratio is 5.0: 1 in the present embodiment, and water temperature is 65 DEG C；Then will
Water uniform stirring together with release agent persistently stirs in mixed process, release agent is avoided to precipitate；Using upper in the present embodiment
The release agent stated；
Copper mold 100 is preheated, copper mold chamber 110 is heated up；Specific steps are as follows: preheat copper mold 100, by mold cavity 110
170~220 DEG C are warming up to, mold cavity 110 is warming up to 185 DEG C in the present embodiment；
Above-mentioned suspension is sprayed into 110 cavity inner surface of mold cavity；Specific steps are as follows: and then the release agent prepared
Suspension is connected with the spray equipment above Rotating caster, when the copper mold 100 after preheating is reached below spray equipment, spray
Coating device is started to work, by suspension even application to 110 cavity inner surface of mold cavity, so that in 110 cavity of mold cavity all
It is covered with the suspension of release agent, the amount of the suspension of 110 cavity inner surface of mold cavity spraying is 2.2~3.2kg/m2, this reality
The amount for applying the suspension sprayed in example is 2.7kg/m2。
Above-mentioned suspension moisture on 110 cavity inner surface of mold cavity evaporates to form release agent drying layer；Specific steps are as follows:
The 110 cavity inner surface temperature of mold cavity of copper mold 100 after preheating is higher, when in release agent suspension and 110 cavity of mold cavity
When surface contacts, the moisture in release agent suspension starts to evaporate, and the release agent after evaporation drying uniformly divides in solid form
For cloth in 110 cavity inner surface of mold cavity, release agent suspension evaporates on 110 cavity inner surface of mold cavity forms release agent drying
Layer, and release agent drying layer upper surface is more smooth, spraying suspension to the time interval cast is 140~160s, this
Time interval is 155s in embodiment；
Copper liquid is poured into 110 cavity of mold cavity, above-mentioned release agent drying layer is in copper liquid and 110 cavity inner surface of mold cavity
Between form sinter layer；Specific steps are as follows: copper mold 100 moves to the casting station of Rotating caster, and copper liquid is cast to mold cavity
In 110, the cast temperature of copper liquid is 1100~1250 DEG C, and copper liquid and 100 joint of copper mold for being covered with release agent drying layer take off
Mould agent drying layer is sintered, and forms the sinter layer of smooth densification, the sinter layer copper liquid and 110 cavity inner surface of mold cavity it
Between play the role of insulation blocking；
Copper liquid is frozen into copper anode plate, and sinter layer is separated with copper anode plate；Specific steps are as follows: after being solidified by mandril
Copper anode plate ejection, sinter layer is separated with copper anode plate.
Release agent used in a kind of application method of Rotating caster release agent of the invention includes aluminium silicon systems silicon
Hydrochlorate mineral, sodium carboxymethylcellulose, composite superfine powder and additive.The specific ingredient of above-mentioned release agent includes kaolin, indigo plant
Spar, andalusite, silicon powder, sodium carboxymethylcellulose, composite superfine powder and additive.It is matched in the present embodiment are as follows: kaolin
The mass parts of addition are 60~70 parts, and the mass parts that kyanite is added are 4~5 parts, and the mass parts that andalusite is added are 9~10
Part, the mass parts that silicon powder is added are 14~15 parts, and the mass parts that sodium carboxymethylcellulose is added are 0.15 part.
The specific quality proportioning of the present embodiment are as follows: kaolin 63kg, kyanite 5kg, andalusite 9kg, silicon powder 15kg, carboxylic
Sodium carboxymethylcellulose pyce 0.15kg.It is worth noting that kaolin ingredient is SiO in the present embodiment2>=40%, Al2O3>=35%,
Fe2O3≤ 0.15%, K2O≤0.1%, Na2O≤0.1%, loss on ignition≤1.5%, remaining is impurity.Wherein: silicon powder granularity
Less than the accounting 95%~98% of 600 mesh.Wherein silicon powder ingredient is SiO2>=99.3%, Fe2O3≤ 0.1%, K2O≤
0.1%, Na2O≤0.1%, remaining is impurity.Using this aluminium silicon systems silicate mineral of kaolin as entire release agent matrix
The reason of be, kaolin has preferable agglutinating property and fire resistance, in use process, when the higher copper liquid of temperature pours into copper mold
When in chamber 110, high temperature sintering is carried out to kaolinic release agent is contained between copper mold chamber 110 and blister copper liquid, so that being formed has
The sheet sinter layer of certain degree of hardness；On the one hand, which plays the role of isolation between copper mold chamber 110 and copper liquid,
And then the case where can bonding copper mold 100 to avoid the copper anode plate of copper liquid production, occurs, and takes from copper mold 100 convenient for copper anode plate
Out；There are biggish temperature gradients for copper liquid and copper mold 100 when on the other hand, due to casting, so being easy to appear copper water splash, copper
Anode plate bending deformation, the fracture of copper anode plate ear, the distortion of 100 ear of copper mold, the part of copper mold 100 occur melting and copper anode
A series of problems, such as plate surface poor flatness, above-mentioned sheet sinter layer can reduce the heat of temperature gradient generation to a certain extent
Damage of the stress to copper mold 100 and copper anode plate, to improve the service life of copper mold 100 and the quality of copper anode plate；In addition,
Kaolin material is cheap, and economic cost is lower.
The kaolinite soil granularity of the present embodiment is 75~80% less than the ratio of 600 mesh, less than 800 mesh accountings 15~20%.
The appropriate granularity of kaolin, so that kaolin and silicon powder free energy with higher, bigger with other interparticle contact angles.It is de-
Mould agent pours fashionable Fast Sintering in high-temperature copper liquid and forms uniform sheet sinter layer, and smooth is covered on table in copper mold chamber 110
Face, so that the copper anode plate of casting is more smooth, and then release agent is not easy to be washed away disengaging by copper liquid, improves the sticking to mould of release agent
Effect and the flatness on copper anode plate surface.
In refractory matrix kaolin be added kyanite the reason of are as follows: kyanite decomposes at high temperature generate mullite with
SiO2, while gap and generating body product expansion are generated, the gap on the one hand generated can make release agent generate at high temperature
Sheet sinter layer has stronger temperature insulating；On the other hand, volume can occur during the sintering process for refractory matrix kaolin
It shrinks, the characteristic of its sintering grow can offset kaolinic contraction to a certain extent after addition kyanite, guarantee that sheet is burnt
Tie the thickness and its isolation performance of layer；In addition kyanite can also be accelerated on copper mold chamber 110 plus water coats moisture in release agent
It is dry.The reason of andalusite is added in refractory matrix kaolin are as follows: rear density and volume remain unchanged andalusite before calcination,
Its internal porosity rate is also constant, therefore andalusite is added in refractory matrix kaolin, and the density of release agent can be made to burn
It does not have greatly changed during knot, and then the matrix of kaolin, kyanite and andalusite composition is kept in sintering process
The stabilization of volume.
Silicon powder is additionally added in the release agent of the present embodiment, silicon powder has the characteristics that hardness is high, thermal stability is good.?
In the sintering use process of release agent can to containing kaolinic matrix play the role of filling and it is clinkering-aid.
It is worth noting that being additionally added sodium carboxymethylcellulose in release agent, sodium carboxymethylcellulose is a kind of high score
Sub- agglomerator contains a large amount of hydrophilic radical on molecule, has stronger wettability, a small amount of carboxylic first is added in release agent
Base sodium cellulosate can strengthen the mixed effect of release agent；Kaolin after additionally incorporating sodium carboxymethylcellulose, in release agent
The surface that equal ingredients form sinter layer during the sintering process is more smooth, so that the copper anode plate produced has preferable table
Face quality.A certain amount of bath of glass can be added in mixed process in the prior art to strengthen its mixed effect, but will increase de-
The use cost of mould agent, and sodium carboxymethylcellulose is cheap, and is added on a small quantity and is can be thus achieved preferably in mixed process
Mixed effect.
In the present embodiment, by repeatedly summarizing the experience, the mass parts that composite superfine powder is added can be counted by following formula
It calculates:Wherein: b is the mass parts that kaolin is added；C is the mass parts that kyanite is added；D is andalusite
The mass parts of addition；E is the mass parts that silicon powder is added；F is the mass parts that composite superfine powder is added.By calculating, this implementation
The mass parts that composite superfine powder is added in example are 3.86kg.It should be noted that composite superfine powder includes activity Al2O3Powder and molten
Melt SiO2Micro mist, the mass percent of composite superfine powder are activity Al2O3Powder 40%~50%, melt of si O2Micro mist 50%~
60%, wherein activity Al2O3Powder and melt of si O2The mass ratio of micro mist is 0.667~1, living in composite superfine powder in the present embodiment
Property Al2O3The mass percent of powder is 45%, melt of si O2The mass percent of micro mist is 55%.
The mass parts that additive is added are g=(e+f) × k=0.75kg, and k takes 0.03~0.05, and the present embodiment takes 0.04；
Wherein: e is the mass parts that silicon powder is added；F is the mass parts that composite superfine powder is added；G is the mass parts that additive is added.
Additive includes sodium pyrophosphate and dextrin, and the mass ratio of sodium pyrophosphate and dextrin is 0.3~0.33, additive
Mass percent is sodium pyrophosphate 25%~30%, dextrin 70%~75%, the mass percent of sodium pyrophosphate in the present embodiment
It is 27%, the mass percent of dextrin is 74%.Additive promotes release agent sintering, the formation and its attachment of intensified-sintered layer
Ability.
Release agent used in the present embodiment is using kaolin as refractory matrix, and silicon powder is filler and helps sintering
Agent substitutes in the prior art with precipitate B aSO4Tradition release agent as main component, avoids the process in production blanc fixe
It is middle to generate a large amount of particulate matters, exhaust gas, waste water and waste residue and cause to seriously endanger to environment.
The release agent of 110 inner surface of copper mold chamber forms suitable sinter layer in casting process, and sinter layer adhesion-tight is multiple
It closes and promotes release agent sinter molding under Ultramicro-powder and additive collective effect, the sinter layer for forming smooth densification can be sintered, have
There is stronger adhesive force, high-temperature copper liquid is avoided to wash away the inner surface of copper mold chamber 110.Pass through composite superfine powder, additive and carboxylic first
Base sodium cellulosate collective effect, so that release agent is evenly distributed on 110 inner surface of copper mold chamber, 110 inner surface of copper mold chamber and anode
The separation layer formed between plate can play heat-blocking action, so that reduce copper mold 100 reduces and shadow since temperature field increases repeatedly
The quality of copper anode plate is rung, and then improves the service life of copper mold 100, improves anode plate type quality, so that the release agent has
There are high temperature resistant, easy-sintering, meet the advantages of easily separating with anode plate after water.
A kind of above-mentioned Rotating caster release agent the preparation method comprises the following steps:
Aluminium silicon systems silicate mineral, sodium carboxymethylcellulose, composite superfine powder and additive are added in blender and mixed,
Mixing time is greater than 30min, specifically mixes step are as follows:
(1) kaolin, kyanite, andalusite are mixed, mixing time 10min or more；
(2) sodium carboxymethylcellulose, mixing time is added after kaolin, kyanite, andalusite being mixed
15min or more；
(3) it after sodium carboxymethylcellulose mixing is added, adds composite superfine powder and additive is stirred, mixing time
5min or more.
Consolidate concentration ratio and release agent spray different on copper mold 100 by adjusting water different in release agent blending process
Tu Liang, wherein test mould is to be cast using release agent of the present invention, preceding mould and rear mold use existing BaSO4Base is de-
Mould agent is cast, and experimental result is as shown in table 1.As seen from the table, the mould temperature of preceding mould, rear mold and test mould is essentially identical.
The 1 mould temperature table of comparisons of table
As shown in table 2 using the mass parameter record of comparison mould and the copper anode plate for testing mould production, specific quality ginseng
Number includes blank rate, the porosity and service life.As seen from the table, the blank rate using the copper anode plate of test mould production is obvious
Lower than comparison mould；The porosity of the copper anode plate produced using test mould is also below comparison mould；Using the copper sun of test mould production
The service life of pole plate reaches 85-100 days, hence it is evident that more than the copper anode plate using comparison mould production.
Table 2 produces the copper anode mass parameter table of comparisons
| Mass parameter | BaSO4Base release agent | Kaolinite soil matrix release agent |
| Blank rate | 17%-32% | 12%-23% |
| The porosity | 10%-19% | 4%-10% |
| Service life | 50-60 days | 85-100 days |
Embodiment 2
The content of the present embodiment substantially with embodiment 1, the difference is that: the release agent proportion by weight in the present embodiment
For kaolin 60kg, Suzhou soil 5kg, kyanite 5kg, andalusite 9kg, silicon powder 14kg, composite superfine powder passes through formulaAdditive passes through formula g=(e+f) × k=0.71kg, sodium carboxymethylcellulose 0.15kg,
Suzhou soil also has preferable sintering character, and the sinter layer isolation performance of formation is excellent, raw using release agent made from the proportion
The blank rate of the copper anode plate of production is 10%~15%, and the porosity is 2.5%~7%, and service life reaches 90~103 days.
Embodiment 3
The content of the present embodiment substantially with embodiment 1, the difference is that: the release agent proportion by weight in the present embodiment
Pass through formula for kaolin 70kg, concave convex rod 6kg, kyanite 5kg, andalusite 9kg, silicon powder 15kg, composite superfine powderAdditive passes through formula g=(e+f) × k=0.59kg, sodium carboxymethylcellulose 0.15kg,
Concave convex rod also has preferable sintering character, and the sinter layer isolation performance of formation is excellent, raw using release agent made from the proportion
The blank rate of the copper anode plate of production is 8%~17%, and the porosity is 3.2%~8%, and service life reaches 90~107 days.
Embodiment 4
The content of the present embodiment substantially with embodiment 1, the difference is that: mold release component in the present embodiment proportion is
Kaolin 63kg, kyanite 5kg, andalusite 9kg, silicon powder 14kg, flyash 0.4kg, composite superfine powder pass through formulaAdditive passes through formula g=(e+f) × k=0.54kg, sodium carboxymethylcellulose 0.15kg,
A small amount of silicon powder can increase the stomata quantity that release agent is formed by sinter layer, improve the heat insulation of sinter layer, conveniently make
With being crushed for rear sinter layer, the blank rate of the copper anode plate produced using release agent made from the proportion is 15%~18%, gas
Porosity is 5%~8%, and it is 83~96 days that service life, which reaches,.
Embodiment 5
The content of the present embodiment substantially with embodiment 1, the difference is that: mold release component in the present embodiment proportion is
Kaolin 75kg, kyanite 5kg, andalusite 9kg, silicon powder 14kg, steel slag 0.2kg, composite superfine powder pass through formulaAdditive passes through formula g=(e+f) × k=0.58kg, sodium carboxymethylcellulose 0.15kg,
Steel slag granularity is less than the accounting 87%~95% of 500 mesh, and a small amount of steel slag can properly increase the burning of release agent formation in release agent
The intensity for tying layer avoids the impact of copper liquid from causing dewatered release agent that partial fracture occurs, and demoulds using made from the proportion
The blank rate of the copper anode plate of agent production is 7%~15%, and the porosity is 7%~13%, and it is 92~108 days that service life, which reaches,.
Embodiment 6
The content of the present embodiment substantially with embodiment 1, the difference is that: kaolin, kyanite, andalusite, silicon powder,
Sodium carboxymethylcellulose, composite superfine powder and additive.It is 60~70 that proportion, which is the mass parts that kaolin is added, in the present embodiment
Part, the mass parts that kyanite is added are 4~5 parts, and the mass parts that andalusite is added are 9~10 parts, the mass parts that silicon powder is added
It is 14~15 parts, the mass parts that sodium carboxymethylcellulose is added are 0.15 part.
The mass parts that composite superfine powder is added are f, and the calculation formula of f is as follows:
Wherein:B is the mass parts that kaolin is added；C is the mass parts that kyanite is added；D is andalusite addition
Mass parts；E is the mass parts that silicon powder is added；F is the mass parts that composite superfine powder is added；The value of α is 47~49, this reality
It applies α in example and takes 47, specific quality proportioning are as follows: kaolin 67kg, kyanite 4kg, andalusite 9kg, silicon powder 14kg, carboxymethyl
Sodium cellulosate 0.15kg, and then γ=1, f=4.79kg；
The mass parts that additive is added are g=(e+f) × k, and k takes 0.03~0.05, and the present embodiment takes 0.04；Wherein: e is
The mass parts that silicon powder is added；F is the mass parts that composite superfine powder is added；G is the mass parts that additive is added, by calculating, g
=0.75kg.Using release agent made from the proportion produce copper anode plate blank rate be 9%~20%, the porosity be 2%~
8%, it is 90~102 days that service life, which reaches,.
The present invention is described in detail above in conjunction with specific exemplary embodiment.It is understood, however, that can not take off
It is carry out various modifications in the case where from the scope of the present invention being defined by the following claims and modification.Detailed description and drawings
Should be to be considered only as it is illustrative and not restrictive, if there is any such modifications and variations, then they all will
It falls into the scope of the present invention described herein.In addition, Development Status and meaning that background technique is intended in order to illustrate this technology,
It is not intended to limit the present invention or the application and application field of the invention.
More specifically, although exemplary embodiment of the present invention has been described herein, the invention is not limited to
These embodiments, but including those skilled in the art according to front detailed description it can be appreciated that it is modified, omit,
Any and whole embodiments of (such as between each embodiment) combination, adaptive change and/or replacement.In claim
It limits the language according to used in claim and is widely explained, and be not limited in foregoing detailed description or in reality
The example described during this application is applied, these examples should be considered as nonexcludability.It is in office where method or process claims
In any step for enumerating can execute in any order and be not limited to the sequence proposed in claim.Therefore, of the invention
Range should only be determined by appended claims and its legal equivalents, rather than by descriptions and examples given above Lai
It determines.
Claims (8)
1. a kind of application method of Rotating caster release agent, it is characterised in that:
Release agent is in use, coating release agent to copper mold chamber (110) cavity inner surface, in copper liquid and copper mold chamber after copper liquid casting
(110) it forms sinter layer between cavity inner surface copper anode plate is isolated with copper mold chamber (110) cavity；Above-mentioned release agent includes
Aluminium silicon systems silicate mineral, sodium carboxymethylcellulose, composite superfine powder and additive.
2. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: release agent
Specifically used method is as follows:
Release agent adds water to be mixed into suspension；
It preheats copper mold (100), copper mold chamber (110) is heated up；
Above-mentioned suspension is sprayed into copper mold chamber (110) cavity inner surface；
Above-mentioned suspension moisture on copper mold chamber (110) cavity inner surface evaporates to form release agent drying layer；
Copper liquid is poured into copper mold chamber (110) cavity, above-mentioned release agent drying layer is in copper liquid and copper mold chamber (110) cavity inner surface
Between form sinter layer；
Copper liquid is frozen into copper anode, and sinter layer is separated with copper anode.
3. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: release agent adds
Water was mixed into the step of suspension, water-solid ratio of the water and release agent of addition in quality are as follows: the value range of K:1, K is
4.5~5.5, water temperature is 60~70 DEG C.
4. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: preheating copper mold
(100), in the step of copper mold chamber (110) being heated up, copper mold chamber (110) is warming up to 170~220 DEG C.
5. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: will be above-mentioned outstanding
During turbid is sprayed into copper mold chamber (110) cavity inner surface, the amount of the suspension of copper mold chamber (110) cavity inner surface spraying
For 2.2~3.2kg/m2。
6. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: release agent packet
Include kaolin, kyanite, andalusite, silicon powder, sodium carboxymethylcellulose, composite superfine powder and additive.
7. a kind of application method of Rotating caster release agent according to claim 1, it is characterised in that: compound ultra micro
Powder includes activity Al2O3Powder and melt of si O2Micro mist.
8. a kind of application method of described in any item Rotating caster release agents, feature exist according to claim 1~7
In: additive includes sodium pyrophosphate and dextrin.
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| CN201810860759.5A CN108941445B (en) | 2018-07-31 | 2018-07-31 | Application method of release agent for disc casting machine |
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| CN201810860759.5A CN108941445B (en) | 2018-07-31 | 2018-07-31 | Application method of release agent for disc casting machine |
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| CN108941445B CN108941445B (en) | 2020-12-18 |
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| CN112404341A (en) * | 2020-11-02 | 2021-02-26 | 湖南塑源特科技有限公司 | Molding sand surface spraying agent beneficial to demolding and preparation method thereof |
| CN114951544A (en) * | 2022-07-08 | 2022-08-30 | 江西铜业（清远）有限公司 | Special release agent for steel die and spraying process thereof |
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|---|---|
| CN108941445B (en) | 2020-12-18 |
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