CN104226916B - Casting method of slag ladle and casting mold - Google Patents
Casting method of slag ladle and casting mold Download PDFInfo
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- CN104226916B CN104226916B CN201410501152.XA CN201410501152A CN104226916B CN 104226916 B CN104226916 B CN 104226916B CN 201410501152 A CN201410501152 A CN 201410501152A CN 104226916 B CN104226916 B CN 104226916B
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Abstract
The invention discloses a casting method of a slag ladle and a dedicated casting mold for implementing the method. The method comprises the following technical steps: 1. manufacturing the casting mold: (1), designing a pit: designing and manufacturing a casting pit; (2), manufacturing a casting external mold of the slag ladle and a pouring gate system, preparing an external wall cold mold (11) of the slag ladle, connecting the pouring gate system well, and filling an outer sand mold (12); (3), manufacturing a casting inner mold of the slag ladle and a feed head mold, manufacturing an inner wall cold mold (21) of the slag ladle, installing the inner wall cold mold (21) of the slag ladle in the outer wall cold mold (11) of the slag ladle, and defining a slag ladle casting cavity (13) between the inner wall cold mold and the outer wall cold mold, wherein the outer wall cold mold (11) of the slag ladle and the inner wall cold mold (21) of the slag ladle are both made of iron; (4), drying of the mold: drying the mold with hot air till dry; 2. pouring: pouring the casting liquid in the slag ladle casting cavity (13), cooling, and at last obtaining the slag ladle.
Description
Technical field
The present invention relates to a kind of manufacture method of the processing equipment of metallurgical slag and dedicated manufacturing equipment, particularly a kind of cinder ladle
Casting method and casting die.
Background technology
Cinder ladle is important carrying and the transhipment part of Copper making equipment, and its relationship between quality arrives copper ashes loading and transportation
Safety.The working condition of cinder ladle is quite severe, and slag temperature is 1200 degree, sometimes with matte, has damage to cinder ladle.As copper yield
Reach 300,000 tons, be expected that the amount of mucking haulage is up to 2560 tons daily, after slow cooling field transported to by cinder ladle flat car, be discharged into cooling with embracing tank car
In, first nature slow cooling 12 hours, then slow cooling 48 hours of spraying water, poured out with embracing tank car upset after slag integrally curing, empty cinder ladle
Transport meltshop again back.Developing rapidly with national economy, according to country to the energy-saving and emission-reduction requirement during metal smelt,
To smelt Slag treatment demand increasingly increase, China's copper yield Yi Ju world anteposition, newly-built building Copper making refining Slag treatment project
Many.Demand total quantity as the essential element cinder ladle on copper smelting slag process for producing line is very big, the year slag of every Slag treatment line
More than 100, the general service life of cinder ladle is 3 years to demand packet quantity.
Cinder ladle internal soundness and outer surface prescription are high, need to carry out ultrasonic examination inspection to reach at its hanger load-bearing
To bis- grades of requirements of mark JB/T5000.14-1998 again.Cinder ladle material is generally ZG230-450, and chemical composition and mechanical property should accord with
Close GB/T11352-1989 standard.The dimensional tolerance of casting is CT14 level, meets the regulation of GB/T6414-1999, cinder ladle gudgeon is adopted
Make of forging method, put into after roughing in casting mold and be connected in one with cinder ladle casting, gudgeon material is 40Cr or 35# steel, gudgeon
Ultrasonic examination inspection need to be carried out, bis- grades of requirements of JB/T5000.14-1998 should be met.
As shown in Figure 10 and Figure 11, current cinder ladle casting method, it mainly comprises the steps:
First, make casting sand mo(u)ld
(1), set hole
The size of casting cinder ladle designs and carries out casting melt pit as needed;
(2), make cinder ladle foundry goods external mold
Foundry goods external mold sweep is arranged in melt pit, puts into foamed slag and bind foot plate, scrape cinder ladle bottom loam core shape with sweep
Shape, heap goes out foundry goods external mold and covers layer of sand, takes out foam full pattern, puts into ready loam core.
(3), make cinder ladle cores from casting
According to foundry slag bag technological requirement, arrange reasonable work platformses, cinder ladle top box is placed on platform, line sets and emits
Mouth apperance position, gets top box sand mo(u)ld;Install cores from casting sweep, heap goes out loam core in the middle of foundry goods and covers layer of sand;After accomplishing fluently loam core, take
Go out sweep, using boom hoisting, by top box and loam core mould turnover;Brushing alcohol zircon flour coating.
(4), install ladder runner system
During making cinder ladle foundry goods external mold, bury cross gate, ingate and the sprue of good ladder runner system;
(5), install rising head and loam core
During making cinder ladle loam core, the cover plate loam core meeting the rising head of technological requirement is placed in foundry goods die cavity
On (i.e. cinder ladle casting cavity).
(6), dry
120~250 DEG C of hot-airs are blown using electric calorifier mould drying is carried out 5~8 hours to foundry goods die cavity;
2nd, pour into a mould
By the sprue of ladder runner system, cross gate and ingate, by liquid material with 18~25 tpm clocks
Speed stops pouring when foundry goods cavity bottom starts be poured into the height of rising head in the vallecular cavity of injection foundry goods die cavity 0.9~1.0
Note;During cast, the degree of superheat of liquid material controls between 40~60 DEG C;
Described sweep is made by wooden model, middle setting rotary shaft, and rotary shaft is more than the φ 100mm steel pipe of 10mm with wall thickness
Make;Fixed cross beam is made on sweep top, and beam thickness is more than 50mm it is ensured that sweep intensity;Sweep relative position need to be rule fixed
Position;In the course of the work, sweep axle and measurement relative position all can not offset initial, set position.
The described thick alcohol zircon flour coating of brushing 0.4~0.6mm on covering layer of sand.
Prior art feature:
1st, install common rising head.The integral casting process of traditional cinder ladle, carries out feeding using common rising head, is provided without chill
Casting method and heat preservation rising head.Analyzed by thermal center, using the common Feeder Design of tradition, in 6 waists of cinder ladle placed on top
Circular common open riser, riser height is higher, is relatively large in diameter, consumed molten steel amount is relatively many, reduces casting process yield.
2nd, lining is mended in setting.Through feeding analysis, traditional handicraft scheme need to be mended lining in rising head bottom setting foundry goods, additionally be increased
Casting weight, increased foundry goods hair only ratio casting process yield can only be maintained between 80-84%.
3rd, surface quality of continuous castings is general.Traditional riser height is of a relatively high, increased molten steel pressure, identical in sand mold intensity
In the case of, foundry goods easily produces scab defect.It is provided without special chill, cinder ladle surface easily produces burning into sand phenomenon, to foundry goods
Surface quality impact is larger, increased the surface treatment cost of foundry goods life late stage.
4th, traditional cinder ladle founding method, no special chill frock, can only adopt local external chill Quench, ensureing foundry goods office
It is impossible to meet foundry goods whole interior quality in the case of portion's quality.Cinder ladle in use, still suffers from hidden danger of quality, cinder ladle
Usage cycles are relatively much shorter.
5th, moulding button case complex operation.In the manufacturing process of cinder ladle cores from casting, need to carry out mould turnover operation, mould turnover process
Middle generation is shaken, and has certain destruction for sand mold, reduces the intensity of sand mold.In casting process, because of sand mold intensity
Too low it may appear that die cavity inwall sand lump drops phenomenon, form cast(ing) surface misrun or swollen bag phenomenon, have impact on casting dimension, sternly
Heavy even occurs that molten steel misruns, and leads to foundry goods to be scrapped.
Content of the invention
The purpose of the present invention is to overcome the above-mentioned not enough of prior art and provide a kind of casting die of cinder ladle, its casting modulus
Less, the foundry goods of feeding is few, rising head is few, inexpensive, the cinder ladle being made by it no shrinkage cavity and porosity, and the casting such as flawless, slag inclusion lacks
Fall into.
It is a further object of the present invention to provide a kind of casting method of cinder ladle, it can promote cinder ladle to realize consecutive solidification, its
Production procedure simplifies, the process-cycle is short, product yield is high, low production cost.
The technical scheme is that:A kind of casting die of cinder ladle, it includes cinder ladle casting external mold, cinder ladle casts internal model,
Runner system and rising head mould;Cinder ladle casting external mold includes cinder ladle outer wall chill and outer sand mold;Cinder ladle outer wall chill is metal pattern;Slag
The inner wall shape of bag outer wall chill is consistent with the profile of cinder ladle to be cast;Outer sand mold is located at cinder ladle outer wall chill periphery;Slag
Bag outer wall chill is provided with the hole being connected with runner system;
Cinder ladle casting internal model includes cinder ladle inwall chill and interior sand mold;Cinder ladle inwall chill is metal pattern, and cinder ladle inwall is cold
The outer wall shape of mould is consistent with the inner wall shape of cinder ladle to be cast;Cinder ladle outer wall chill is spaced apart with cinder ladle inwall chill
One segment distance, forms the cinder ladle casting cavity for casting cinder ladle between cinder ladle outer wall chill and cinder ladle inwall chill;Interior sand mold sets
In cinder ladle inwall chill inner chamber;
Runner system is buried in outer sand mold, and it is the cinder ladle with being formed between cinder ladle outer wall chill and cinder ladle inwall chill
The tubing that casting cavity is connected;
Rising head mould includes rising head sand mold, and rising head sand mold is arranged on cinder ladle casting external mold and casts internal model top, rising head with cinder ladle
Sand mold is provided with up/down perforation and is connected with the cinder ladle casting cavity upper end that cinder ladle casts formation between internal model with cinder ladle casting external mold
Logical rising head.
The further technical scheme of the present invention is:Cinder ladle outer wall chill is swage;Cinder ladle outer wall chill inner wall lower is provided with
Heelpiece die cavity, gusset die cavity and hang a chamber;Outer sand mold is made by casting model powder, binding agent;Cinder ladle inwall chill is swage;Interior
It is provided with sand mold cavity in, interior sand mold is made by casting model powder, binding agent in the middle of sand mold;Cinder ladle outer wall chill and cinder ladle inwall
Chill is respectively divided into three sections, and that is, cinder ladle outer wall chill includes chill on cinder ladle outer wall, chill in cinder ladle outer wall, cold under cinder ladle outer wall
Mould, under chill in chill on cinder ladle outer wall, cinder ladle outer wall, cinder ladle outer wall, chill is sequentially connected and connects;Cinder ladle inwall chill includes slag
Chill under chill in chill on bag inwall, cinder ladle inwall, cinder ladle inwall, chill, cinder ladle in chill on cinder ladle inwall, cinder ladle inwall
Under inwall, chill is sequentially connected and connects.
The present invention further technical scheme is:The wall thickness of described cinder ladle outer wall chill and cinder ladle inwall chill is
30 to five ten millimeters;Further respectively have on the outer wall of the inwall of cinder ladle outer wall chill and cinder ladle inwall chill and cover layer of sand, that is, outer
Cover layer of sand and interior cover layer of sand;Cover sand layer thickness and be 35~45mm, cover sand layer thickness and design according to T=B/2~3 formula, wherein T
For covering sand layer thickness, B is the thickness of the wall of cinder ladle to be cast;Cover layer of sand to be made up of high-intensity resin, that is, make and cover layer of sand
Material is:70~140 mesh clean sand, resin and firming agent, and wherein resin content is 1.8 weight %, and curing agent content resin contains
25 weight % of amount, balance of scouring sand;Cover and the thick alcohol zircon flour coating layer of 0.4~0.6mm is also painted with layer of sand.
Further technical scheme is the present invention:Described runner system is earthenware duct system;Runner system is divided into
Sprue, cross gate and ingate;Cross gate is an annular or circular arc earthenware, and it is installed in the outer of cinder ladle outer wall chill
In the outer sand mold enclosing, its position height is maintained an equal level with the upper edge of cinder ladle outer wall chill, and the internal diameter of cross gate is φ 80~120mm;
Sprue is earthenware, and it is vertically installed on cross gate by one end and is connected with cross gate, and its other end is connected with and pours
Cup, sprue is more than one, and the sprue of more than arranges along cross gate, central point, at a distance of 800~1200mm, directly pours
Road internal diameter is φ 80~120mm;Ingate includes ingate, middle ingate and lower ingate, and it is earthenware, upper interior pours
Road, middle ingate and lower ingate arrange, its one end is connected with cross gate respectively from top to bottom;The other end of upper ingate with
The top of cinder ladle outer wall chill is connected, and with cinder ladle outer wall chill with the cinder ladle casting cavity phase being formed between cinder ladle inwall chill
Connection;The other end of middle ingate is connected with the middle part of outer wall mold, and casts intracavity with cinder ladle outer wall chill with cinder ladle cinder ladle
The cinder ladle casting cavity being formed between wall mould is connected;The other end of lower ingate is connected with the bottom of cinder ladle casting cavity outer wall mold
Connect, and be connected with the cinder ladle casting cavity being formed between cinder ladle inwall chill with cinder ladle outer wall chill;Lower ingate is the six roots of sensation, six
Under root, ingate is evenly arranged along annular cross gate, and every internal diameter is 50~70mm;Middle ingate is the six roots of sensation, interior in the six roots of sensation pours
Road is evenly arranged along annular cross gate, and every internal diameter is φ 50~70mm;Upper ingate is eight, and in the six roots of sensation, ingate is along circle
Circular cross-runner is evenly arranged, and every internal diameter is 50~70mm;All it is enclosed with 90 outside upper ingate, middle ingate and lower ingate
The resin sand of~110mm.
The also further technical scheme of the present invention is:Described rising head mould also includes rising head case, and rising head case is located at rising head sand
Type periphery;Rising head is multiple, and multiple to emit opening's edge cinder ladle casting cavity circumference uniform;The modular design of rising head is 0.8~0.9 times of foundry goods
Modulus, the height of rising head is 550~650mm, a diameter of φ 250~350.
Another technical scheme of the present invention is:A kind of casting method of cinder ladle, it comprises the technical steps that:
One. make casting die
(1). set hole
The size of casting cinder ladle designs and makes casting melt pit as needed;
(2). make cinder ladle casting external mold and runner system
According to the size and shape of cinder ladle design to be cast, make cinder ladle outer wall chill and cinder ladle profile full pattern;Slag
The profile of bag profile full pattern is consistent with the profile of the profile of cinder ladle to be cast or cinder ladle to be cast;
Make base plane in melt pit, cinder ladle outer wall chill is put in the base plane of melt pit, then by outside cinder ladle
Shape full pattern is placed on the interior of cinder ladle outer wall chill, cinder ladle outer wall chill and that one layer of air switch between cinder ladle profile full pattern is cladded with layer of sand is thick
The folder chamber of degree, squeezes in this folder chamber and is cladded with layer of sand;
Connect runner system in cinder ladle outer wall chill, and fill outer sand mold;
Further take out cinder ladle profile full pattern;
(3). make cinder ladle casting internal model and rising head mould
According to the size and shape of cinder ladle design to be cast, make cinder ladle inwall chill, cinder ladle casting internal model core box,
Rising head case and rising head full pattern;It is provided with, in cinder ladle casting internal model core box, the die cavity being consistent with the profile of cinder ladle inwall chill;
Cinder ladle casting internal model core box is put on work platformses, in the die cavity that cinder ladle casts internal model core box, is well placed core box
Hold out in spite of difficulties it is ensured that cinder ladle cast leave between internal model core box and cinder ladle inwall chill be easy to squeeze in cover the gap of layer of sand;Cinder ladle
Inwall chill is seated in cinder ladle casting internal model core box and is located in core box and holds out in spite of difficulties, in cinder ladle casting internal model core box with cinder ladle
Layer of sand is covered in squeezing in gap between wall chill;Carry out interior sand mold in cinder ladle inwall chill;
Again rising head case is placed on cinder ladle casting internal model core box, and rising head full pattern is put in cinder ladle outer wall chill, slag
At bag inwall chill upper edge, make rising head sand mold in rising head case, take out rising head full pattern, can be formed on rising head sand mold and emit
Mouthful;Then cinder ladle inwall chill together with interior sand mold thereon and interior is covered layer of sand, rising head case together with its interior rising head sand mold from slag
Hang out in bag casting internal model core box, install in the cinder ladle outer wall chill that cinder ladle casts external mold, and make to keep between one between the two
Away to form the cinder ladle casting cavity that can cast cinder ladle;
(4). mould drying
Extremely it is dried using hot blast mould drying;
Two. cast
Intracavity is cast by casting the cinder ladle between liquid injection cinder ladle outer wall chill and cinder ladle inwall chill by runner system,
Cooling, obtains cinder ladle.
Further another technical scheme is the present invention:
Step one(1), cinder ladle design size φ 3440 × 2900mm;
Step one(4), 120~250 DEG C of hot-airs are blown using electric calorifier cinder ladle casting cavity are carried out toasting 5~8 hours.
Further another technical scheme of the present invention is:
Step one(2), the cinder ladle outer wall chill of making is three sections, that is, cinder ladle outer wall chill include chill on cinder ladle outer wall,
Chill under cinder ladle outer wall chill, cinder ladle outer wall;Cinder ladle profile full pattern includes cinder ladle heelpiece full pattern, full pattern, cinder ladle under cinder ladle profile
Four parts of full pattern in full pattern and cinder ladle profile in profile;Runner system is divided into sprue, cross gate and ingate, ingate bag
Include ingate, middle ingate and lower ingate;Each section that is sequentially placed into cinder ladle outer wall chill from below to up real with cinder ladle profile
The each several part of sample, progressively makes from below to up and is cladded with layer of sand, has been sequentially connected ingate, cross gate from below to up and has directly poured
Road;Take out full pattern in cinder ladle profile, full pattern in cinder ladle profile, full pattern under cinder ladle profile more successively;
Step one(3), cinder ladle inwall chill is divided into substantially corresponding with cinder ladle outer wall chill three sections, and that is, cinder ladle inwall is cold
Mould includes chill on cinder ladle inwall, chill in cinder ladle inwall, chill under cinder ladle inwall;By each section of cinder ladle inwall chill from below to up
It is seated to successively in cinder ladle casting internal model core box, meanwhile progressively get from below to up in therebetween and cover layer of sand;Interior sand mold is thick
Degree need to be 200~300mm;Rising head full pattern is multiple, and multiple rising head full patterns are evenly distributed;Cover in cinder ladle inwall chill
Rising head brushing alcohol zircon flour coating outside layer of sand and on rising head sand mold.
The present invention also further another technical scheme be:
Step 2, casting liquid is liquid ZG230-450 material, by liquid ZG230-450 material with 18~25 tpm clocks
Speed from cinder ladle casting cavity bottom start inject cinder ladle casting intracavity, be poured into rising head 0.9~1.0 height when stop pour
Note;During cast, the degree of superheat of liquid ZG230-450 material is at 40~60 DEG C;It is burning hot that the cinder ladle shake out obtaining cuts rising head normalizing add-back
Process.
The present invention compared with prior art has following features:
1st, using insulated feeder chill cover sand (cinder ladle outer wall chill, cinder ladle inwall chill are swage, and have and cover layer of sand,
Rising head sand mold can be incubated) scheme produces cinder ladle, and cast-internal do not have Shrinkage cavity defect, and stepped casting program also reaches soon
The purpose of fast Stable Filling;Emit mouth-shaped to reduce, improve casting process yield, thus low production cost;
2nd, the runner system of the present invention is the step gating system of Stable Filling, and three layers of ingate quantity of upper, middle and lower are directed to
Cold and detached hanging sand technology, again through the final determination of Exact Analysis it is ensured that pours into a mould steadily quickly fills type, promotes cinder ladle and realizes
Consecutive solidification;
3rd, chill covers sand(Cinder ladle outer wall chill, cinder ladle inwall chill are swage), Quench foundry goods, decrease casting mould
Number, the foundry goods of required feeding reduces relatively, thus rising head needed for feeding cinder ladle foundry goods also reduces relatively, foundry goods whole interior quality
Also it is greatly improved;
4th, high-intensity resin sand substitutes the existing sand that covers and moulding cost can be greatly reduced, and also can simplify production procedure, subtract
Few production cycle;
5th, casting process yield can be controlled in 90%~93%;
6th, the cinder ladle foundry goods that the present invention produces, no shrinkage cavity and porosity, the casting flaw such as flawless, slag inclusion, can pass through completely
The reception test of bis- grades of requirements of GB7233-87, steady quality.
In order to be illustrated more clearly that the present invention, enumerate following examples, but it is without any restrictions to the scope of invention.
Brief description
Fig. 1 is the structural representation of the casting die of cinder ladle of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the top view of Fig. 1(Eliminate outer sand mold, interior sand mold exposes the parts such as runner system);
Fig. 5 is Fig. 1 along the enlarged drawing in the range of C line;
Fig. 6 is the cinder ladle outer wall chill of the casting die of cinder ladle of the present invention and the structural representation of cinder ladle inwall chill;
Fig. 7 makes cinder ladle casting one of external mold and runner system process state of the art figure for the present invention;
Fig. 8 makes cinder ladle casting one of internal model and rising head process state of the art figure for the present invention;
Fig. 9 pours a kind of state of the art figure when being poured in for cinder ladle of the present invention;
Figure 10 makes, for prior art, a kind of state of the art figure that cinder ladle casts external mold;
Figure 11 makes, for prior art, a kind of state of the art figure that cinder ladle casts internal model.
Specific embodiment
Embodiment 1
As shown in Fig. 1-6, a kind of casting die of cinder ladle, it includes cinder ladle casting external mold, cinder ladle casting internal model, running channel system
System and rising head mould;Cinder ladle casting external mold includes cinder ladle outer wall chill 11 and outer sand mold 12;
Cinder ladle outer wall chill 11 is metal pattern(I.e. here it is the reason be referred to as " chill " why, metal is easy to radiate),
Preferably with swage, its low price, when cinder ladle is cast by it, good cooling effect, cinder ladle radiating can be expanded with Quench cinder ladle
Area reduces cinder ladle modulus, and structural capacity is strong;The inner wall shape of cinder ladle outer wall chill 11 is adapted with the profile of cinder ladle 5 to be cast
(Be consistent, consistent), from Fig. 1,2,6 it can be seen that the inwall of cinder ladle outer wall chill 11 is in integrally an interior parabola(With vertical
Cross-section line substantially parabolically shape, generally circular with cross section intersection(As shown in Figure 3)), cinder ladle outer wall chill 11 inwall
Bottom is provided with heelpiece die cavity 111, gusset die cavity 112 and hangs a chamber 113(As shown in Figure 2), so that slag can be formed in casting
The heelpiece of bag(Support feet)51st, gusset and hang handle;Heelpiece die cavity 111, gusset die cavity 112 and often hang a chamber 113 before casting
It is not empty, but puts into the working of plastics being adapted with its shape, working of plastics can improve the stability of whole casting die, and in steel
During water injection, molten steel can melt this working of plastics, does not affect the heelpiece 51 of cinder ladle and the formation of gusset.
Outer sand mold 12 is located at cinder ladle outer wall chill 11 periphery, and it is made by casting model powder, binding agent etc., to strengthen cinder ladle
The stability of outer wall chill 11 and runner system, intensity and thermal diffusivity.
Cinder ladle outer wall chill 11 is provided with the hole being connected with runner system.
Cinder ladle casting internal model includes cinder ladle inwall chill 21 and interior sand mold 22;Cinder ladle inwall chill 21 is metal pattern, best
Using swage, its low price, when cinder ladle is cast by it, good cooling effect, cinder ladle area of dissipation can be expanded with Quench cinder ladle
Reduce cinder ladle modulus, cooling-down effect, the outer wall shape of cinder ladle inwall chill 21 is suitable with the inwall shape phase of cinder ladle 5 to be cast
Should(Meet or consistent), from accompanying drawing 1,2,6 it can be seen that the outer wall shape of cinder ladle inwall chill 21 is integrally thrown in one
Object plane(With longitudinal section intersection substantially parabolically shape, generally circular with cross section intersection(As shown in Figure 3));
It is provided with interior sand mold 22 in cinder ladle inwall chill 21 inner chamber, be provided with sand mold cavity 221 in the middle of interior sand mold 22, to subtract
Few weight and materials, reduce weight and can be easy to assemble, the thickness of interior sand mold 22 should be more than 200 mm(150-250 mm), and
Sand mold cavity 221 in this is stayed to easily facilitate radiating, interior sand mold 22 is made by casting model powder, adhesive etc..
Between cinder ladle outer wall chill 11 and cinder ladle inwall chill 21 from a distance, in cinder ladle outer wall chill 11 and cinder ladle
Form the cavity for casting cinder ladle between wall chill 21(I.e. cinder ladle casting cavity 13).
For make and easy for installation, cinder ladle outer wall chill 11 and cinder ladle inwall chill 21 can be respectively divided into three sections, i.e. slag
Bag outer wall chill 11 includes chill 114 on cinder ladle outer wall, chill 115 in cinder ladle outer wall, chill 116 under cinder ladle outer wall, outside cinder ladle
Under chill 115 in chill 114 on wall, cinder ladle outer wall, cinder ladle outer wall, chill 116 is sequentially connected(Pass through eight bolts respectively to be connected
Connect);Cinder ladle inwall chill 21 includes chill 211 on cinder ladle inwall, chill 212 in cinder ladle inwall, chill 213 under cinder ladle inwall,
Under chill 212 in chill 211 on cinder ladle inwall, cinder ladle inwall, cinder ladle inwall, chill 213 passes sequentially through eight bolts and is connected;
Certainly, cinder ladle outer wall chill 11 and cinder ladle inwall chill 21 can also be respectively divided into two sections, the similar forms such as four sections, segment design
Weight can be mitigated, be easy to operate.
The wall thickness of cinder ladle outer wall chill 11 and cinder ladle inwall chill 21 is all set to 40 mm(30-50mm).
Further respectively have on the outer wall of the inwall of cinder ladle outer wall chill 11 and cinder ladle inwall chill 21 and cover layer of sand(It is cladded with sand
Layer 117 and interior cover layer of sand 214), cover sand layer thickness and be 35~45mm, covering sand layer thickness can design according to T=B/2~3 formula
(Preferably T=B/2.5), wherein T is to cover sand layer thickness, and B is the thickness of the wall of cinder ladle 5 to be cast(With cinder ladle casting cavity 13
Thickness is substantially suitable);Cover layer of sand to be made up of high-intensity resin sand, the material that is, layer of sand is covered in making is:70~140 mesh scouring sand,
Resin and firming agent, wherein resin content are 1.8 weight % of total amount, and curing agent content is 25 weight % of resin, balance of wiping
Washed-out sand(The silica sand that clay content is less than 2% is to clean sand.), contribute to the generation of pre- Sand sticking-resistant using the scouring sand of relatively fine particle, this
Plant completely alternative the special of routine of material and cover sand;Cover and 0.4~0.6mm is also painted with layer of sand(Preferably 0.5mm)Thick
Alcohol zircon flour coating layer.
As shown in figure 1, runner system is buried in outer sand mold 12, it is with cinder ladle outer wall chill 11 and cinder ladle inwall chill
Form the cavity for casting cinder ladle between 21(I.e. cinder ladle casting cavity 13)The ceramic guard system being connected;Runner system is divided into directly
Running channel 31, cross gate 32 and ingate 33;Cross gate 32 is an annular earthenware(Can not close, be provided with breach, i.e. circular arc
Shape, such as shown in 4 figures), it is installed in the outer sand mold 12 of the periphery of cinder ladle outer wall chill 11, its position height and cinder ladle outer wall
The upper edge of chill 11 maintains an equal level(I.e. mutually level), namely the height of cross gate 32 and cinder ladle outer wall chill 11 are with cinder ladle inwall chill
The die cavity for casting cinder ladle of 21 formation(I.e. cinder ladle casting cavity 13)Upper edge mutually level, the internal diameter of cross gate 32 is φ 80
~120mm(Generally φ 100mm);Sprue 31 be earthenware, its be vertically installed on cross gate 32 by one end and with horizontal stroke
Running channel 32 is connected, and its other end is connected with cup, and sprue 31 is more than one, generally two, more than one straight
Running channel 31 is arranged along cross gate 32, and central point is at a distance of 800~1200mm(Generally 1000mm), sprue 31 internal diameter be φ 80~
120mm(Generally φ 100mm);Ingate 33 includes ingate 331, middle ingate 332 and lower ingate 333, and it is
Earthenware, upper ingate 331, middle ingate 332 and lower ingate 333 are arranged from top to bottom, its one end respectively with cross gate 32
It is connected, in actual design, upper ingate 331, middle ingate 332 are with lower ingate 333 when being connected with cross gate 32
Can be with the pipeline of public overlay path, i.e. can be connected with cross gate 32 with public upper ingate 331 one of middle ingate 332
Subtube, the part pipe that lower ingate 333 can be connected with cross gate 32 with public upper ingate 331 and middle ingate 332
Road(As shown in Figure 1);The other end of upper ingate 331 and the top of cinder ladle outer wall chill 11(I.e. chill 114 on cinder ladle outer wall)
It is connected, and be connected with the cinder ladle casting cavity 13 being formed between cinder ladle inwall chill 21 with cinder ladle outer wall chill 11, so as to
Pour steel in cinder ladle casting cavity 13;The other end of ingate 332 and the middle part of outer wall mold(I.e. chill in outer wall)It is connected, and
It is connected with the cinder ladle casting cavity 13 being formed between cinder ladle cinder ladle casting cavity 13 inwall mould with cinder ladle outer wall chill 11, so as to slag
Pour steel in bag casting cavity 13;The other end of lower ingate 333 and the bottom of cinder ladle casting cavity 13 outer wall mold(I.e. cold under outer wall
Mould)It is connected, and be connected with the cinder ladle casting cavity 13 being formed between cinder ladle inwall chill 21 with cinder ladle outer wall chill 11, so that
The pour steel in cinder ladle casting cavity 13;Whole ingate 33 is divided into three layers of upper, middle and lower(Even two-layer or four can be designed to
Layer), that is, ingate 33 be designed to multilamellar(Hierarchic structure, you can form staged runner system), it is easy to Fast synchronization cast slag
Wrap the molten steel at each position, in addition to improving poring rate, be also convenient for cinder ladle Integral synchronous coagulation forming, the structure strengthening cinder ladle is strong
Degree.
Lower ingate 333 is the six roots of sensation, and under the six roots of sensation, ingate 333 is evenly arranged along annular cross gate 32, and every internal diameter is
φ 50~70mm(Generally φ 60mm);Middle ingate 332 is the six roots of sensation, and in the six roots of sensation, ingate 332 is equal along annular cross gate 32
Even arrangement, every internal diameter is φ 50~70mm(Generally φ 60mm);Upper ingate 331 is eight, ingate 331 edge in the six roots of sensation
Annular cross gate 32 is evenly arranged, and every internal diameter is φ 50~70mm(Generally φ 60mm).
All it is enclosed with 90~110mm outside upper ingate 331, middle ingate 332 and lower ingate 333(Generally 100mm)
Resin sand, to prevent cast from metalling run out.
Rising head mould includes rising head case 41 and rising head sand mold 42, and rising head sand mold 42 is located in rising head case 41, rising head case 41 and emitting
Mouth sand mold 42 is arranged on cinder ladle casting external mold and casts internal model top with cinder ladle, and rising head sand mold 42 is provided with up/down perforation and cinder ladle
Casting external mold casts, with cinder ladle, the rising head 421 that cinder ladle casting cavity 13 upper end being formed between internal model is connected, and rising head 421 is multiple
(Shown in Fig. 4 for 8), multiple rising heads 421 are along cinder ladle casting cavity 13 circumference uniformly.
The modular design of rising head 421 is 0.8~0.9 times of casting modulus, make casting process yield can be controlled in 90%~
93%, the height of rising head 421 is 550~650mm(Generally 600mm), a diameter of φ 250~350(Generally φ 300mm).
A kind of casting method of cinder ladle:As Figure 7-9, with material ZG230-450, cinder ladle size φ 3440 × 2900mm
Cinder ladle casting method as a example, it mainly comprises the technical steps that:
One. make casting die
(1). set hole
The size of casting cinder ladle designs and makes casting melt pit as needed;
(2). make cinder ladle casting external mold and runner system
According to the size and shape of cinder ladle 5 design to be cast, make cinder ladle outer wall chill 11 and cinder ladle profile full pattern
52;In order to easy to operate, cinder ladle outer wall chill 11 can be made three sections, that is, cinder ladle outer wall chill 11 include cold on cinder ladle outer wall
Chill 116 under mould 114, cinder ladle outer wall chill 11, cinder ladle outer wall;The profile of cinder ladle profile full pattern 52 and cinder ladle 5 to be cast
Profile is consistent(Shape is basically identical), it is easy construction, cinder ladle profile full pattern 52 also can be divided into cinder ladle heelpiece full pattern 524, slag
521 4 independent sectors of full pattern in full pattern 522 and cinder ladle profile in full pattern 523 under bag profile, cinder ladle profile;Cinder ladle heelpiece full pattern
524 can be made using foam, and in full pattern 522 and cinder ladle profile in full pattern 523 under cinder ladle profile, cinder ladle profile, full pattern 521 can be adopted
It is made with molding sand;
Make base plane in melt pit, cinder ladle outer wall chill 11 is put in the base plane of melt pit(As shown in Figure 7),
Then cinder ladle profile full pattern 52 is placed in cinder ladle outer wall chill 11, cinder ladle outer wall chill 11 with by cinder ladle profile full pattern 52 it
Between one layer of air switch be cladded with the folder chamber (i.e. gap) of layer of sand 117 thickness;Chill 116 will put into the bottom of melt pit and put down under cinder ladle outer wall
On face, cinder ladle heelpiece full pattern 524 is placed in the bottom of chill 116 under cinder ladle outer wall;Then full pattern 523 under cinder ladle profile is laid
In cinder ladle outer wall chill 11 and be located on cinder ladle heelpiece full pattern 524, and make outside full pattern 523 periphery and cinder ladle under cinder ladle profile
Form certain interval between wall chill 11(Gap to be left is already had accounted for, can squeeze into be cladded with during its tangible design size
Layer of sand 117, the similar position of following other there is also same problem, repeats no more), full pattern 523 periphery under cinder ladle profile
Squeeze in gap and cinder ladle outer wall chill 11 between and be cladded with layer of sand 117(Hypomere);Connect in cinder ladle outer wall chill 11 simultaneously
Lower ingate 333, and filled casting model powder(Make the bottom of outer sand mold 12);Again full pattern 522 in cinder ladle profile is laid
In cinder ladle outer wall chill 11 and on full pattern 523 under cinder ladle profile, and make full pattern 522 periphery and cinder ladle in cinder ladle profile
Form certain interval, the gap between full pattern 522 periphery and cinder ladle outer wall chill 11 in cinder ladle profile between outer wall chill 11
In squeeze into and be cladded with layer of sand 117(Stage casing);Ingate 332 in cinder ladle outer wall chill 11 connects simultaneously, and filled casting model powder
(Make the middle part of outer sand mold 12);Then full pattern 521 in cinder ladle profile is placed in cinder ladle outer wall chill 11 and is located at
On full pattern 522 in cinder ladle profile, and make in cinder ladle profile to be formed between full pattern 521 periphery and cinder ladle outer wall chill 11 certain between
Gap, squeezes in the gap between full pattern 521 periphery and cinder ladle outer wall chill 11 in cinder ladle profile and is cladded with layer of sand 117(Epimere);
Connect ingate 331, cross gate 32, sprue 31 in cinder ladle outer wall chill 11 simultaneously, and fill casting model powder(Complete
Make outer sand mold 12);
Take out full pattern 521 in cinder ladle profile, full pattern 522 in cinder ladle profile, full pattern 523 under cinder ladle profile more successively;In casting
Part water route face brushing alcohol zircon flour coating, that is, be cladded with brushing alcohol zircon flour coating inside layer of sand 117;
(3). make cinder ladle casting internal model and rising head mould
As shown in figure 8, according to the size and shape of cinder ladle 5 design to be cast, making cinder ladle inwall chill 21, cinder ladle
Casting internal model core box 23, rising head case 41 and rising head full pattern;It is provided with cinder ladle casting internal model core box 23 and be consistent with cinder ladle inner chamber(Shape
Shape is essentially identical)Die cavity, namely be provided with and be consistent with the profile of cinder ladle inwall chill 21(Shape is essentially identical)Die cavity;For
Easy to operate, substantially corresponding with cinder ladle outer wall chill 11 three sections can be made respectively with cinder ladle inwall chill 21, i.e. cinder ladle
Inwall chill 21 includes chill 211 on cinder ladle inwall, chill 212 in cinder ladle inwall, chill 213 under cinder ladle inwall;Cinder ladle casts
Internal model core box 23 can be made using molding sand;Cinder ladle casting internal model core box 23 and rising head case 41 are typically using producing wood
Become, that is, be wooden model;
Cinder ladle is cast internal model core box 23 put on work platformses, be well placed in the die cavity that cinder ladle casts internal model core box 23
Core box holds out in spite of difficulties 231, core box hold out in spite of difficulties 231 can ensure that leave between cinder ladle casting internal model core box 23 and cinder ladle inwall chill 21 certain
Gap(Layer of sand 214 is covered in being easy to squeeze into), chill 213 under cinder ladle inwall is placed in core box and holds out in spite of difficulties on 231, get both it
Between cover layer of sand(Layer of sand 214 hypomere is covered in i.e.);Again chill 212 in cinder ladle inwall is placed on chill 213 under cinder ladle inwall,
Connect chill 212 and chill 213 bolt between the two under cinder ladle inwall in cinder ladle inwall, chill in same holding cinder ladle inwall
212 leave certain interval with cinder ladle casting internal model core box 23, get chill 212 and cinder ladle in cinder ladle inwall and cast internal model core box 23
Cover layer of sand between the two(Layer of sand 214 stage casing is covered in i.e.);Again chill 211 on cinder ladle inwall is placed in chill in cinder ladle inwall
On 212, on cinder ladle inwall, chill 211 and cinder ladle casting internal model core box 23 leave certain interval between the two, connect in cinder ladle
Chill 211 and chill 212 bolt between the two in cinder ladle inwall on wall, get chill 211 and cinder ladle casting on cinder ladle inwall
Internal model core box 23 covers layer of sand between the two(Layer of sand 214 epimere is covered in i.e.);(inside cover layer of sand 214 hypomere, interior cover sand with overlying sand
Layer 214 stage casing, interior cover layer of sand 214 epimere) collectively constitute in cover layer of sand 214;Make the medial surface of 21 each sections of cinder ladle inwall chill
Loam core hanging sand layer(Sand mold 22 in being formed), interior sand mold 22 thickness need to be more than 200mm(Generally 200-300 mm);
Again rising head case 41 is placed on cinder ladle casting internal model core box 23, and rising head full pattern is put in cinder ladle outer wall chill
11st, at cinder ladle inwall chill 21 upper edge, multiple rising head full patterns are evenly distributed, using suspension hook by cinder ladle inwall chill 21 and interior
Sand mold 22 is articulated on 41 casees bands of rising head case(To lift), get rising head case 41 molding sand(Form rising head sand mold 42), take out
Rising head full pattern, can form rising head 421 on rising head sand mold 42;Then by cinder ladle inwall chill 21(Including its interior interior sand mold 22
Layer of sand 214 is covered in thereon)With rising head case 41(Including its interior rising head sand mold 42)Together cast from cinder ladle as an entirety
Make in internal model core box 23 and hang out, then in cinder ladle inwall chill 21 and rising head case 41 water route face(Cover layer of sand 214 outside and emit interior
Inside oral cavity)Brushing alcohol zircon flour coating;
Again by cinder ladle inwall chill 21(Layer of sand 214 is covered in including its interior interior sand mold 22 and thereon)With rising head case 41
(Including its interior rising head sand mold 42)Install in cinder ladle casting external mold, and make to keep a spacing between the two, permissible to be formed
The cavity of casting cinder ladle(I.e. cinder ladle casting cavity 13, as shown in Fig. 1,9);
(4). mould drying
Blow 120~250 DEG C of hot-airs using electric calorifier cinder ladle casting cavity 13 is carried out toasting 5~8 hours, using electric heating
Blower fan mould drying can shorten the production cycle of cinder ladle casting die, decreases traditional char combustion mould drying energy resource consumption and pollutant row
Put;
Two. cast
By staged runner system(Cross gate 32, ingate 33 and sprue 31)By liquid ZG230-450 material with
The speed of 18~25 tpm clocks starts to inject in cinder ladle casting cavity 13 from cinder ladle casting cavity 13 bottom, is poured into the 0.9 of rising head
Stop cast during~1.0 height;During cast, the degree of superheat of liquid ZG230-450 material is at 40~60 DEG C(Degree Celsius)Between;Greatly
The determination of type steel-casting pouring temperature to determine mostly in reference to liquidus curve, and too high easy formation of pouring temperature glues burning into sand, also
It is also easy to produce the secondary oxidation of molten steel;Slag sand in too low molten steel and casting mold is difficult emersion again, and chill covers sand cinder ladle scum silica frost emery stick part
Preferably, it is typically chosen the less degree of superheat.1498 DEG C of this material liquidus temperature, 1550 DEG C about of pouring temperature(1550℃±
10℃);
The determination of poring rate, cinder ladle covers layer of sand(Inside cover layer of sand 214, be cladded with layer of sand 117)General all relatively thin, and cover sand
Layer height is higher, easily occurs covering layer of sand and peels off and collapse phenomenon and affect cinder ladle quality, selects poring rate to be faster conducive to
The occurrence of prevent this;
Obtain cinder ladle 5 to be cast in cinder ladle casting cavity 13;
Cinder ladle after casting weighs about 26200kg, and cast weighs about 28250kg, and foundry goods yield rate has reached 92.7%;This example
The cinder ladle shake out obtaining cuts rising head normalizing and adds tempering heat treatment, and its mechanical performance indices has all exceeded JB/T6402-2006
Performance requirement, carry out ultrasonic examination inspection after roughing, comply fully with the requirement of bis- grades of GB7233-87, magnetic after polish
Powder flaw detection also complies with bis- grades of requirements of GB9444-2006.
Comparison example 1
As shown in Figure 10 and Figure 11, prior art is used the integral casting process of traditional cinder ladle, using commonly emitting
Mouth carries out feeding.Castings material ZG230-450, cinder ladle accessory size φ 3440 × 2900mm, cinder ladle foundry goods weight 26200kg, always
Pour weight 31100kg, 1550 DEG C of pouring temperature, poring rate 10 tpm clock, ingate medial surface is intake, 6 kidney ellipsoid rising heads
Uniformly, riser height 700mm, width 360mm, length 500mm, rising head taper 1:10.
The shortcoming of this traditional cinder ladle casting method is:Interior external mold does not all adopt metal chill, and casting modulus is big, feeding slag
Rising head needed for bag foundry goods is also larger;Middle mud core is larger, it is desirable to have special arbor just can support this mud core, and adopts mud
Core sand consumption is larger, and moulding is relatively costly;Riser height is larger, and molten steel is powerful to type wall pressure, and foundry goods inside and outside circle easily produces
Mechanicalness scab, casting cleaning is difficult;This cinder ladle product yield is also only 84.3%, produces than current chill casting process
Rate is also low 8 percentage points.
The present invention is not limited to above-mentioned concrete structure, as long as using the casting die identical or equivalent with the present invention
Or/and the cinder ladle casting method of processing step or/and casting die just fall within the scope and spirit of the invention.
Claims (8)
1. a kind of casting die of cinder ladle, it includes cinder ladle casting external mold, cinder ladle casting internal model, runner system and rising head mould;It is special
Levying is:
Cinder ladle casting external mold includes cinder ladle outer wall chill (11) and outer sand mold (12);Cinder ladle outer wall chill (11) is metal pattern;Slag
The inner wall shape of bag outer wall chill (11) is consistent with the profile of cinder ladle (5) to be cast;Outer sand mold (12) is located at cinder ladle outer wall
Chill (11) periphery;Cinder ladle outer wall chill (11) is provided with the hole being connected with runner system;
Cinder ladle casting internal model includes cinder ladle inwall chill (21) and interior sand mold (22);Cinder ladle inwall chill (21) is metal pattern, slag
The outer wall shape of bag inwall chill (21) is consistent with the inner wall shape of cinder ladle (5) to be cast;Interior sand mold (22) is located at cinder ladle
In inwall chill (21) inner chamber;
Between cinder ladle outer wall chill (11) and cinder ladle inwall chill (21) from a distance, cinder ladle outer wall chill (11) and cinder ladle
Form the cinder ladle casting cavity (13) for casting cinder ladle between inwall chill (21);
Runner system is buried in outer sand mold (12), and it is to be formed between cinder ladle outer wall chill (11) and cinder ladle inwall chill (21)
The tubing that is connected of cinder ladle casting cavity (13);
Rising head mould includes rising head sand mold (42), and rising head sand mold (42) is arranged on cinder ladle casting external mold and casts internal model top with cinder ladle,
Rising head sand mold (42) is provided with up/down perforation and casts external mold and cast, with cinder ladle, the cinder ladle casting cavity being formed between internal model with cinder ladle
(13) rising head (421) that upper end is connected;
Described runner system is earthenware duct system;Runner system is divided into sprue (31), cross gate (32) and ingate
(33);Cross gate (32) is an annular or circular arc earthenware, and it is installed in the outer sand of the periphery of cinder ladle outer wall chill (11)
In type (12), the upper edge of its position height and cinder ladle outer wall chill (11) maintains an equal level, the internal diameter of cross gate (32) be φ 80~
120mm;Sprue (31) is earthenware, and it is vertically installed at cross gate (32) by one end and above and with cross gate (32) is connected
Logical, its other end is connected with cup, and sprue (31) is more than one, and the sprue (31) of more than is along cross gate (32)
Arrangement, at a distance of 800~1200mm, sprue (31) internal diameter is φ 80~120mm to central point;Ingate in ingate (33) inclusion
(331), middle ingate (332) and lower ingate (333), it is earthenware, upper ingate (331), middle ingate (332) and
Lower ingate (333) arranges, its one end is connected with cross gate (32) respectively from top to bottom;The other end of upper ingate (331)
It is connected with the top of cinder ladle outer wall chill (11), and formed between cinder ladle inwall chill (21) with cinder ladle outer wall chill (11)
Cinder ladle casting cavity (13) be connected;The other end of middle ingate (332) is connected with the middle part of outer wall mold, and with cinder ladle outer wall
Chill (11) is connected with the cinder ladle casting cavity (13) being formed between cinder ladle cinder ladle casting cavity (13) inwall mould;Lower ingate
(333) the other end is connected with the bottom of cinder ladle casting cavity (13) outer wall mold, and with cinder ladle outer wall chill (11) with cinder ladle
The cinder ladle casting cavity (13) being formed between wall chill (21) is connected;Lower ingate (333) is the six roots of sensation, ingate under the six roots of sensation
(333) it is evenly arranged along annular cross gate (32), every internal diameter is 50~70mm;Middle ingate (332) is the six roots of sensation, in the six roots of sensation
Ingate (332) is evenly arranged along annular cross gate (32), and every internal diameter is φ 50~70mm;Upper ingate (331) is eight
Root, in the six roots of sensation, ingate (331) is evenly arranged along annular cross gate (32), and every internal diameter is 50~70mm;Upper ingate
(331), middle ingate (332) and lower ingate (333) are all enclosed with outward the resin sand of 90~110mm.
2. the casting die of cinder ladle according to claim 1, is characterized in that:Described cinder ladle outer wall chill (11) is swage;
Cinder ladle outer wall chill (11) inner wall lower is provided with heelpiece die cavity (111), gusset die cavity (112) and hangs a chamber (113);Outer sand mold
(12) it is made by casting model powder, binding agent;Cinder ladle inwall chill (21) is swage;It is provided with sand mold in the middle of interior sand mold (22)
Cavity (221), interior sand mold (22) is made by casting model powder, binding agent;
Cinder ladle outer wall chill (11) and cinder ladle inwall chill (21) are respectively divided into three sections, and that is, cinder ladle outer wall chill (11) includes cinder ladle
Chill (116) under chill (115) in chill (114) on outer wall, cinder ladle outer wall, cinder ladle outer wall, chill (114) on cinder ladle outer wall,
Under chill (115) in cinder ladle outer wall, cinder ladle outer wall, chill (116) is sequentially connected and connects;Cinder ladle inwall chill (21) is included in cinder ladle
Chill (213) under chill (212) in chill (211) on wall, cinder ladle inwall, cinder ladle inwall, chill (211), slag on cinder ladle inwall
Under chill (212) in bag inwall, cinder ladle inwall, chill (213) is sequentially connected and connects.
3. the casting die of cinder ladle according to claim 1 and 2, is characterized in that:Described cinder ladle outer wall chill (11) and slag
The wall thickness of bag inwall chill (21) is 30 to five ten millimeters;The inwall of cinder ladle outer wall chill (11) and cinder ladle inwall chill
(21) further respectively have on outer wall and cover layer of sand, that is, be cladded with layer of sand (117) and interior cover layer of sand (214);Cover sand layer thickness and be 35
~45mm, covers sand layer thickness and designs according to T=B/ (2~3) formula, and wherein T is to cover sand layer thickness, and B is cinder ladle (5) to be cast
Wall thickness;Cover layer of sand to be made up of high-intensity resin sand, the material that is, layer of sand is covered in making is:70~140 mesh clean sand, resin
And firming agent, wherein resin content is 1.8 weight %, and curing agent content is 25 weight % of resin content, balance of scouring sand;Cover
The thick alcohol zircon flour coating layer of 0.4~0.6mm is also painted with layer of sand.
4. the casting die of cinder ladle according to claim 1 and 2, is characterized in that:Described rising head mould also includes rising head case
(41), rising head case (41) is located at rising head sand mold (42) periphery;Rising head (421) is multiple, and multiple rising heads (421) are along cinder ladle casting cavity
(13) circumference is uniform;The modular design of rising head (421) is 0.8~0.9 times of casting modulus, the height of rising head (421) is 550~
650mm, a diameter of φ 250~350.
5. a kind of casting method of cinder ladle, is characterized in that:It comprises the technical steps that:
One. make casting die
(1). set hole
The size of casting cinder ladle designs and makes casting melt pit as needed;
(2). make cinder ladle casting external mold and runner system
The size and shape being designed according to cinder ladle (5) to be cast, makes cinder ladle outer wall chill (11) and cinder ladle profile full pattern
(52);The profile of cinder ladle profile full pattern (52) is consistent with the profile of cinder ladle (5) to be cast or the profile of cinder ladle to be cast;
Make base plane in melt pit, cinder ladle outer wall chill (11) is put in the base plane of melt pit, then by outside cinder ladle
Shape full pattern (52) is placed on the interior of cinder ladle outer wall chill (11), cinder ladle outer wall chill (11) and will be empty between cinder ladle profile full pattern (52)
Open one layer of folder chamber being cladded with layer of sand (117) thickness, squeeze in this folder chamber and be cladded with layer of sand (117);
Connect upper runner system in cinder ladle outer wall chill (11), and fill outer sand mold (12);
Further take out cinder ladle profile full pattern (52);
(3). make cinder ladle casting internal model and rising head mould
The size and shape being designed according to cinder ladle (5) to be cast, makes cinder ladle inwall chill (21), cinder ladle casting inner mould core
Box (23), rising head case (41) and rising head full pattern;It is provided with outer with cinder ladle inwall chill (21) in cinder ladle casting internal model core box (23)
The die cavity that shape is consistent;
Cinder ladle casting internal model core box (23) is put on work platformses, is well placed in the die cavity that cinder ladle casts internal model core box (23)
Core box hold out in spite of difficulties (231) it is ensured that leave between cinder ladle casting internal model core box (23) and cinder ladle inwall chill (21) be easy to squeeze into interior
Cover the gap of layer of sand (214);Cinder ladle inwall chill (21) is seated in cinder ladle casting internal model core box (23) and to be located in core box hard
Support (231) on, cinder ladle cast internal model core box (23) and cinder ladle inwall chill (21) between gap in squeeze in cover layer of sand
(214);Interior sand mold (22) is carried out in cinder ladle inwall chill (21);
Again rising head case (41) is placed on cinder ladle casting internal model core box (23), and rising head full pattern is put in cinder ladle outer wall chill
(11), at cinder ladle inwall chill (21) upper edge, make rising head sand mold (42) in rising head case (41), take out rising head full pattern, can
In rising head sand mold (42) upper formation rising head (421);Then by cinder ladle inwall chill (21) together with interior sand mold (22) thereon and interior
Cover layer of sand (214), rising head case (41) hangs out together with its interior rising head sand mold (42) from cinder ladle casting internal model core box (23), install
Enter in cinder ladle outer wall chill (11) that cinder ladle casts external mold, and make to keep a spacing between the two, cinder ladle can be cast to be formed
Cinder ladle casting cavity (13);
(4). mould drying
Extremely it is dried using hot blast mould drying;
Two. cast
Liquid will be cast by runner system and inject the cinder ladle casting between cinder ladle outer wall chill (11) and cinder ladle inwall chill (21)
In chamber (13), cooling, obtain cinder ladle.
6. the casting method of cinder ladle according to claim 5, is characterized in that:
Step one(1), cinder ladle design size φ 3440 × 2900mm;
Step one(4), 120~250 DEG C of hot-airs are blown using electric calorifier cinder ladle casting cavity (13) are carried out toasting 5~8 hours.
7. the casting method of cinder ladle according to claim 5, is characterized in that:
Step one(2), cinder ladle outer wall chill (11) of making is three sections, that is, cold on cinder ladle outer wall chill (11) inclusion cinder ladle outer wall
Chill (116) under chill (115) in mould (114), cinder ladle outer wall, cinder ladle outer wall;Cinder ladle profile full pattern (52) includes cinder ladle heelpiece
(521) four portions of full pattern in full pattern (522) and cinder ladle profile in full pattern (523) under full pattern (524), cinder ladle profile, cinder ladle profile
Point;Runner system is divided into sprue (31), cross gate (32) and ingate (33), ingate (331) in ingate (33) inclusion,
Middle ingate (332) and lower ingate (333);It is sequentially placed into each section and cinder ladle profile of cinder ladle outer wall chill (11) from below to up
The each several part of full pattern (52), progressively makes from below to up and is cladded with layer of sand (117), be sequentially connected ingate from below to up
(33), cross gate (32) and sprue (31);Take out full pattern (521) in cinder ladle profile, full pattern in cinder ladle profile more successively
(522), full pattern (523), rebasing full pattern under cinder ladle profile(524);
Step one(3), cinder ladle inwall chill (21) is divided into substantially corresponding with cinder ladle outer wall chill (11) three sections, that is, in cinder ladle
Wall chill (21) includes chill (211) on cinder ladle inwall, chill (212) in cinder ladle inwall, chill (213) under cinder ladle inwall;Will
Each section of cinder ladle inwall chill (21) is seated in cinder ladle casting internal model core box (23) from below to up successively, meanwhile from below to up
Progressively get in therebetween and cover layer of sand (214);Interior sand mold (22) thickness need to be 200~300mm;Rising head full pattern is multiple, multiple
Rising head full pattern is evenly distributed;Cover on cinder ladle inwall chill (21) outside layer of sand (214) and on rising head sand mold (42)
Rising head (421) brushing alcohol zircon flour coating.
8. the casting method of the cinder ladle according to claim 5 or 6 or 7, is characterized in that:
Step 2, casting liquid is liquid ZG230-450 material, by liquid ZG230-450 material with the speed of 18~25 tpm clocks
Degree starts to inject in cinder ladle casting cavity (13) from cinder ladle casting cavity (13) bottom, stops during 0.9~1.0 height being poured into rising head
Cast;During cast, the degree of superheat of liquid ZG230-450 material is at 40~60 DEG C;After the cinder ladle cooling obtaining, shake out cuts rising head normalizing
Plus tempering heat treatment.
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CN105170904B (en) * | 2015-07-16 | 2017-07-14 | 山东瑞浩机械有限公司 | A kind of metallurgical slag basin model-free casting method |
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Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA82830B (en) * | 1982-02-09 | 1983-02-23 | Aikoh Co | A core for blow-forming the lining of vessel for molten metal, a lining method using said core, and a lining composition used in said lining method |
CN1073897C (en) * | 1998-01-04 | 2001-10-31 | 仪明信 | Technology for producing slag tray like pieces such as trough and tank like parts by utilizing waste molten steel |
CN201150989Y (en) * | 2007-12-27 | 2008-11-19 | 本钢板材股份有限公司 | Combined molten steel separating mould |
CN101574736A (en) * | 2008-05-09 | 2009-11-11 | 上海盛江特种耐火材料有限公司 | Preparation process of slag pot isolator |
CN101713027A (en) * | 2009-09-28 | 2010-05-26 | 雷在荣 | Iron trapping and casing technological method in FeV50 smelting by electro-silieothermic process |
CN101837432B (en) * | 2010-05-20 | 2012-05-09 | 衡阳中钢衡重铸锻有限公司 | Tyre casting method and casting die |
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