CN102554147B - Combined type ingot mould and casting method thereof - Google Patents
Combined type ingot mould and casting method thereof Download PDFInfo
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- CN102554147B CN102554147B CN2012100581833A CN201210058183A CN102554147B CN 102554147 B CN102554147 B CN 102554147B CN 2012100581833 A CN2012100581833 A CN 2012100581833A CN 201210058183 A CN201210058183 A CN 201210058183A CN 102554147 B CN102554147 B CN 102554147B
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Abstract
The invention discloses a combined type ingot mould and a casting method thereof. The combined type ingot mould mainly comprises an end mould, a middle mould and a separation mould, wherein the end mould and the middle mould are provided with casting cavities and the separation mould is provided with an overflowing notch. The combined type ingot mould is a combined mould which is enclosed by mould walls on a flatly-arranged heavy rail in a paving arrangement way and is divided into one group of the casting cavities, which are communicated in an overflowing manner, by the separation mould; the casting work can be carried out by steps including paving the heavy rail, assembling the ingot mould, casting molten iron, de-molding and tapping iron, carrying out water quenching and quenching, finishing and crushing and the like, so that a qualified iron alloy finished product can be obtained. The combined type ingot mould and the casting method thereof, disclosed by the invention, have the obvious advantages of easiness for production, low manufacturing cost, simple assembling structure, convenience for arrangement and installation and long service life; the combined type ingot mould and the casting method thereof are particularly convenient for serial operations of assembling the ingot mould, casting the molten iron, de-molding and tapping the iron, crushing and machining and the like, so that the labor strength of workers is extremely reduced and the production operation environment is improved; the combined type ingot mould and the casting method thereof have obvious effects on improving the yield of the iron alloy, reducing the energy consumption and increasing the economic benefits of enterprises, and have an extremely good application prospect on an iron alloy industry.
Description
Technical field
The present invention relates to water the mould of cast-iron alloy, also relate to simultaneously its casting method, belong to metallurgy industry and produce the casting technique of ferroalloy, specifically a kind of Combined type ingot mould and casting method thereof.
Background technology
We know, the ferroalloy that is made through smelting by the alloy ore is mainly to supply with steel mill as the base stock of producing steel alloy.Therefore, the quality of ferroalloy and production cost will be principal elements that directly affects alloy steel product market.Concerning the ferroalloy production industry, to provide ferroalloy raw material of high quality and at a reasonable price for steel alloy manufacturing enterprise exactly.It is reported: existing ferroalloy manufacturing enterprise adopts " melt pit ", " melt pit-cast iron link stopper ", " sand mo(u)ld " and modes such as " the independent ingot moulds of cast one by one " that molten hot metal is cast into bulk, is crushed to release mesh with the operating type that manually or manually adds machinery and is the raw material finished product.Above-mentioned traditional operating type exist severe operational environment, labor strength large, produce many drawbacks such as the high and production efficiency of alloy fine powder face percent defective is low.Border produces statistics factually: by existing casting, crushing operation mode, generally all can have the alloy face waste material more than 15% to do to melt down the remelting processing.This is to cause ferroalloy manufacturing enterprise long-term existence raw material to melt down that scaling loss is many, product percent of pass is low, energy consumption is high, the main cause of deficiency in economic performance.for addressing these problems, the utility model technical scheme that the applicant had once proposed a kind of " watering the ingot mould of cast-iron alloy " (201120204917.5), it is to stretch in the iron runner of side end face outside arranging on the mould wall of ingot mould, make the iron runner of upper single order ingot mould by forming the arrangement of staged cast on the mould wall that is put in lower single order ingot mould by one group of ingot mould of staged position of sound production, molten iron is to flow into successively from top to bottom in the mold cavity of one group of ingot mould to pursue the rank cast, show through use: the iron alloy block that adopts this mode to be cast into is easy to get the iron demoulding and crushing operation, and alloy fine powder face percent defective can be down to below 8% ~ 10%, improve product percent of pass more than 8%.but, need not to dare not or would not speak up, we find that also still there are some flaws in it on structural design in actual use: due to its iron runner be stretch out in mould wall outside end face and successively by rank by the mould wall that is put in lower single order ingot mould on the arrangement of formation " staged cast ", this will make die casting machine and go up the rank ingot mould most and be placed in overhead place, higher position, this will make the installation ingot mould, molten iron cast and get very inconvenience and have great production safety hidden danger of the sequence of operations such as the iron demoulding, the mold cavity that the molten hot metal that particularly flows from top to bottom can seriously wash away rank ingot mould under erosion damage, this will shorten the service life of ingot mould greatly.This is the existing cast-iron alloy that waters just
Ingot mould and casting method also requires further improvement and perfect place, this is also that the present invention wants the problem that continues to solve.
Summary of the invention
Purpose of the present invention is intended to overcome prior art above shortcomings part, and a kind of Combined type ingot mould and casting method thereof of brand new are proposed, while adopting Combined type ingot mould proposed by the invention and casting method to carry out ferroalloy pouring practice, can greatly alleviate labor strength, improve the production operation environment, to the qualification rate that improves ferroalloy productor, reduce specific energy consumption, save alloy resource and ensure safety in production and all have positive effect.
The objective of the invention is to realize by following technical solution:
A kind of Combined type ingot mould, it comprises end mould, one group of intermediate die and cuts off mould, it is characterized in that: the mold cavity of end mould is arranged to three side form wall constructions, the mold cavity of intermediate die is arranged to the side form wall construction, one group of intermediate die is tiled into arrangement module by the side end face mode side by side of aliging, form at the rear and front end of arrangement module lateral location installation end mould the combination die body that the mould wall surrounds, equipped one group of partition mode separation becomes one group of mold cavity in the combination die body, at the top that cuts off mould, is provided with the overflow breach.the present invention carries out the ingot mould assembling operation as follows: at first lay die casting machine and iron runner on smooth casting operation ground, and according to once the cast production technology of the amount of tapping a blast furnace of electric furnace, carry out the required use intermediate die of calculative determination and cut off the quantity of mould, on the ground grading of the iron runner front end of die casting machine, with one group of intermediate die successively by side alignment side by side near mode be tiled into arrangement module, in the rear and front end of arrangement module lateral location, an end mould is installed respectively and is formed the combination die body that the mould wall surrounds, and the iron runner outlet is positioned on the front end mould wall of end mould, then cutting off mould with one group is fitted in the combination die body, can be divided into the one group of mold cavity that is connected by the overflow of overflow breach, configuration is laid a demoulding and is extracted iron in each mold cavity, after checking one by one that again overflow breach foreign stops up, namely complete and arrange the operation that Combined type ingot mould is installed on ground grading.Carry out as follows again molten iron pouring practice: the molten iron of electric furnace smelting melting has been taken off slag put into ladle, slowly move to die casting machine top and molten iron is poured in die casting machine with the overhead traveling crane ladle of slinging, molten iron will flow in the end mould of front end through iron runner, and carry out overflow through one group of overflow breach that cuts off mould successively and water one by one full one group of mold cavity, so far, can complete molten iron pouring practice.Be down to 700 ℃ ~ 1000 ℃ gradually setting and hardenings and when wrapping the demoulding and extracting iron until molten iron nature cooling surface temperature, the hook of available overhead traveling crane hooks demoulding extraction iron and upwards lifts by crane and extract iron alloy block, can complete easily the operation that the demoulding is tapped a blast furnace, adopt this mode of tapping a blast furnace of laying demoulding extraction iron in mold cavity, the operation that the demoulding is tapped a blast furnace can be completed quickly and easily, the repetitive operation that Combined type ingot mould is installed can also be avoided arranging.To note especially holding the Best Times that taps a blast furnace when practical operation; sum up and to show through production experience: carry out the demoulding tap a blast furnace the Best Times of operation be molten iron gradually the cooling surface temperature be down to time period of 700 ℃ ~ 1000 ℃ of temperature ranges; can not extract iron alloy block as excess Temperature, and temperature is too low, the phenomenon that sticking to mould or fracture are difficult for getting iron can occur.
More a step ground is said, the Combined type ingot mould that the present invention proposes also has following technical characterictic:
The mould of one group of mold cavity wall within the walls is arranged to the external inclined type ramp structure, cuts off mould and is arranged to the shape suitable with the mold cavity cross section, and controlling flare oblique angle α is 92o ~ 160o.This structural design is convenient to extract iron alloy block especially in mold cavity.
Said one group of cross section that cuts off mould is arranged to up-narrow and down-wide trapezoidal shape, and controlling outer oblique angle β is 92o ~ 160o, is provided with the assembling ring on the partition mould.This structural design is square especially
Be convenient to the operation of handling, assembling partition mould and can make each the mold cavity surrounding internal face that is separated into all become the external inclined type ramp structure, can greatly reduce the frictional resistance of the demoulding, be particularly conducive to extract and carry out stripping operation while tapping a blast furnace, can relaxedly and rapidly extract iron alloy block from mold cavity.
One group of intermediate die is to be assembled into the combination die body that the mould wall surrounds on the heavy rail of tiling with the end mould.It is two heavy rails of parallelization on ground grading at first, then assembles side by side successively one group of intermediate die and end mould by the mode of tiling alignment on two heavy rails, can form the combination die body that mould wall surrounding is surrounded.This on heavy rail the mounting means of arrangement combinations formula ingot mould have convenient to operation, laborsaving timesaving advantage, and can form the heat-dissipating space of Air Flow between combination die body bottom surface and ground, be particularly conducive to the operation that the demoulding is tapped a blast furnace, can also effectively improve the surface quality of the iron alloy block that is cast into.
Configuration is laid the demoulding and is extracted iron in one group of mold cavity.When the molten iron nature cooling surface temperature in being cast in each mold cavity is down to 700 ℃ ~ 1000 ℃, molten iron in mold cavity setting and hardening gradually also firmly wraps demoulding extraction iron, hooking the demoulding with the hook of overhead traveling crane extracts iron and lifts by crane operation, can one by one extract iron alloy block in one group of mold cavity, can complete quickly and easily the operation that the demoulding is tapped a blast furnace.
The quantity of end mould is two, one group of intermediate die and the quantity of cutting off mould can be determined according to once the cast production technology of the amount of tapping a blast furnace of electric furnace, the length of said end mould and intermediate die is 800mm ~ 2500mm, width is 600mm ~ 2000mm, the degree of depth of mold cavity is 50mm ~ 350mm, and the length of end mould and intermediate die is identical.This structural design is convenient to especially the manufacturing of ingot mould and arranges the operation that Combined type ingot mould is installed.
Produce the casting method of ferroalloy with above-mentioned Combined type ingot mould, it is characterized in that: it carries out as follows:
1. the heavy rail that tiles is positioned at die casting machine on the on-the-spot ground grading of casting operation, two heavy rails are laid in the two side position Parallel Symmetric ground tilings of iron runner front end, the spacing of controlling two heavy rails is 60 ~ 80% of intermediate die length, supporting combination formula ingot mould carries out pouring practice reposefully, also is convenient to especially arrange on two heavy rails the operation task that Combined type ingot mould is installed simultaneously.
2. assemble ingot mould according to electric furnace once cast the amount of tapping a blast furnace the required use intermediate die of production technology calculative determination and cut off the quantity of mould, with overhead traveling crane with on one group of intermediate die and two end mould handling to two heavy rail, one group of intermediate die is tiled into arrangement module by side end face alignment mode side by side, and two end moulds are close to respectively the rear and front end lateral location that is installed on arrangement module and namely form
the combination die body that mould wall surrounding is surrounded, and the outlet that makes iron runner is positioned on the front side form wall of the end mould in front, cutting off the mould handling with overhead traveling crane with one group again is fitted in the combination die body, the combination die body that mould wall surrounding can be surrounded is separated into one group of mold cavity that is communicated by overflow breach overflow successively, lay a demoulding and extract iron in each mold cavity, check that the obstruction of overflow breach foreign keeps overflow situation smoothly, this on heavy rail the mounting means of arrangement combinations formula ingot mould have convenient to operation, laborsaving timesaving advantage, can form the heat-dissipating space of Air Flow between combination die body bottom surface and ground, can improve the radiating condition of Combined type ingot mould bottom, be particularly conducive to the operation that the demoulding is tapped a blast furnace, to improving the iron alloy block surface quality that is cast into, certain effect is arranged.
3. pouring molten iron is poured into the molten iron of electric furnace smelting melting in ladle after having taken off slag, slowly moving to the die casting machine top with overhead traveling crane lifting ladle pours molten iron in die casting machine into, make molten iron in iron runner flows into an end mould of front, again by after forward direction successively through one group of overflow breach that cuts off mould one by one steadily overflow in an end mould of back until one group of mold cavity is all watered and is filled with, in actual casting process, need not overhead traveling crane play ladle the casting place move around, only need the fixed position above die casting machine molten iron to be poured into the operation that can complete pouring molten iron in die casting machine, the operation of pouring molten iron is very convenient, can obviously enhance productivity and have high production safety performance.
4. the demoulding is tapped a blast furnace the molten iron nature cooling surface temperature in one group of mold cavity to be cast while being down to 700 ℃ ~ 1000 ℃, molten iron setting and hardening gradually also firmly wraps demoulding extraction iron, only need hook with overhead traveling crane hook the demoulding and extract iron and lift by crane and tap a blast furnace, can complete quickly and easily the operation that the demoulding is tapped a blast furnace.Particularly one group of cross section that cuts off mould is made the up-narrow and down-wide trapezium structure that outer oblique angle β is 130o, make each the mold cavity internal face that is separated into all become the external inclined type ramp structure, can effectively reduce the frictional resistance that the demoulding is tapped a blast furnace, be specially adapted to adopt the mode of laying demoulding extraction iron to extract the operation of tapping a blast furnace.
5. finishing, breaking is delivered to Runout area after iron alloy block is naturally cooling, manually knocks the piece material that it is crushed to granularity requirements up to specification with hand hammer.To be lamellar with the iron alloy block that the Combined type ingot mould that the present invention proposes is cast into, need not to use the disintegrating machine operation, only with adz-eye hammer, knock gently and can complete finishing, breaking processing operation, can greatly reduce to produce the quantity of alloy fine powder face waste product, this qualification rate of closing product to improving iron has very significantly effect.
6. the packing warehouse-in is packed qualified block of material after finishing, breaking, put in storage, is the ferroalloy finished product.
More a step ground is said, above-mentioned casting method also has following technical characterictic:
Also have " shrend quenching " step between " 4. the demoulding is tapped a blast furnace " and " 5. finishing, breaking ": the red heat iron alloy block that " demoulding is tapped a blast furnace " step is extracted is put in to be contained in the iron container, send into its handling in water quenching pool and it is submerged in water body with driving and quench, the Sheng iron container handling that perhaps will fill the red heat iron alloy block is held on to water quenching pool, the water pipe shower nozzle waters and quenches to the iron alloy block fierceness of red heat, the control cool time is 200s ~ 500s, carry out draining
Deliver to Runout area after naturally cooling and carry out fragmentation processing.The theoretical foundation that shrend is quenched is: high temperature red heat iron alloy block is under the water-cooled effect of fierceness, inside metallographic will be thick vertical column crystallization by trickle fine and close crystal transfer, the iron alloy block surface can produce because expanding with heat and contract with cold a large amount of cold micro-cracks, making cooled iron alloy block toughness weaken fragility increases, and is particularly conducive to finishing, breaking processing operation.
With overhead traveling crane, the handling of one group of intermediate die and two end mould is directly being arranged on ground grading that the outlet of the combination ingot mould being installed and making iron runner is positioned on the front side form wall of the end mould in front to casting operation is on-the-spot, then by pouring molten iron, the demoulding tap a blast furnace, the step of finishing, breaking and packing warehouse-in operates and can make the ferroalloy finished product.This mode that Combined type ingot mould is installed of directly arranging on ground grading, can save the operation of laying heavy rail.
The Combined type ingot mould and the casting method thereof that adopt the present invention to propose, the iron alloy block that is cast into is lamellar structure, can obviously reduce the difficulty of processing of follow-up finishing crushing operation, can greatly alleviate workman's labour intensity, farthest reduce the quantity that produces alloy fine powder face and then the qualification rate that improves ferroalloy productor, this carries out energy-saving and emission-reduction work to smelter and has very great economic benefit.
The present invention compared with the existing technology has following outstanding substantive distinguishing features and marked improvement:
the present invention has initiated a kind of Combined type ingot mould and casting method thereof of brand new, be specially adapted to ferroalloy and produce casting operation, it is that the arrangement by the tiling alignment is fitted to one group of intermediate die and end mould the combination die body that mould wall surrounding is surrounded on two heavy rails of parallelization, be one group of mold cavity of communicating of overflow successively with the partition mode separation again, use and show through reality: this Combined type ingot mould structure is particularly conducive to the operation that molten iron is poured into a mould and the demoulding is tapped a blast furnace, it has simple in structure, produce easily, low cost of manufacture, arrange the outstanding advantages of quick and long service life easy to assembly, can greatly alleviate workman's labour intensity, improve the operating environment of iron alloy pouring and improve the production safety performance, this is to the stable product percent of pass that improves, significantly reduce specific energy consumption and then increase Business Economic Benefit and all have very significantly effect.
Description of drawings
Fig. 1 is layout package assembly schematic diagram of the present invention.
Fig. 2 is the A-A view of Fig. 1, is illustrated in that equipped in the combination die body that one group of intermediate die, end mould form to cut off mode separation be the structural representation of one group of mold cavity.
Fig. 3 is the B-B view of Fig. 1, shows the mold cavity structural representation of end mould.
Fig. 4 is the C-C view of Fig. 1, shows the mold cavity structural representation of intermediate die.
Fig. 5 is the D-D view of Fig. 1, shows that cutting off the mould top arranges the structural representation of overflow breach and assembling ring.
Fig. 6 is the E-E view of Fig. 5, shows that the cross section that cuts off mould becomes the structural representation of up-narrow and down-wide trapezoidal shape.
Fig. 7 is casting process flow chart of the present invention.
Description of symbols in accompanying drawing:
1 is the end mould, and 2 is mold cavity, and 3 for cutting off mould, and 4 is intermediate die, and 5 is heavy rail, and 6 is iron runner, and 7 is die casting machine, and 8 extract iron for the demoulding, and 9 is arrow, and 10 is hoisting ring, and 11 are assembling ring, 12 overflow breach.
The specific embodiment
Further describe embodiments of the invention below in conjunction with accompanying drawing:
the Combined type ingot mould that the present invention proposes, it is mainly by end mould 1, one group of intermediate die 4 forms with partition mould 3, side in end mould 1 and intermediate die 4 is equipped with hoisting ring 10, assembling ring 11 is installed in the upper surface that cuts off mould 3, the mold cavity 2 of end mould 1 is arranged to three side form wall constructions, the mold cavity 2 of intermediate die 4 is arranged to the side form wall construction, the mould of said mold cavity 2 wall within the walls is arranged to the external inclined type ramp structure, controlling flare oblique angle α is 130o, make the shape suitable with mold cavity 2 cross sections with cutting off mould 3, the cross section that cuts off mould 3 is made up-narrow and down-wide trapezoidal shape and controlled outer oblique angle β is 130o, be provided with overflow breach 12 at the medium position that cuts off mould 3 end faces.It carries out the ingot mould assembling operation as follows: at first lay die casting machine 7, iron runner 6 on the ground grading at casting operation scene, according to electric furnace once cast the amount of tapping a blast furnace one group of intermediate die of the required use of production technology calculative determination 4 and cut off the quantity of mould 3, can adopt directly assembling ingot mould on ground grading to carry out pouring practice, also can lay two heavy rails 5 at two side position Parallel Symmetrics of die casting machine 7, iron runner 6 front ends, then the assembling ingot mould carries out pouring practice on two heavy rails 5.while assembling ingot mould on two heavy rails 5, available overhead traveling crane is with on one group of intermediate die 4 handlings to two heavy rail 5, and one group of intermediate die 4 is tiled into arrangement module according to side end face alignment mode side by side, again two end moulds 1 are close to respectively the rear and front end lateral location that is installed on arrangement module, and iron runner 6 outlets are positioned on the front side form wall of the end mould 1 in front, can form the combination die body that mould wall surrounding is surrounded, then cutting off mould 3 handlings with overhead traveling crane with one group is fitted in the combination die body, can be separated into one group of mold cavity 2 that is communicated by overflow breach 12 overflow successively, check one by one that again overflow breach 12 foreigns stop up the smooth and easy state of maintenance overflow.So far, completing the layout assembly operation of Combined type ingot mould can be for pouring molten iron.
The method that the Combined type ingot mould that uses the present invention to propose waters cast-iron alloy, it is to carry out as follows:
1. the heavy rail that tiles is positioned at die casting machine 7 on the on-the-spot ground grading of casting operation, two heavy rails 5 are laid in iron runner 6 front end two side position Parallel Symmetric ground tilings, the spacing of controlling two heavy rails 5 is 60 ~ 80% of intermediate die 4 length, make two heavy rails 5 reposefully supporting combination formula ingot mould carry out pouring practice, also make and arrange that on two heavy rails 5 practical operation that Combined type ingot mould is installed is more convenient.
2. assemble ingot mould according to once the cast required use intermediate die 4 of the production technology calculative determination of the amount of tapping a blast furnace and cut off the quantity of mould 3 of electric furnace, with overhead traveling crane with on one group of intermediate die 4 and two end mould, 1 handling to two heavy rail 5, with one group of intermediate die 4 by alignment side side by side, side end face
formula is tiled into arrangement module, two end moulds 1 are close to respectively the rear and front end lateral location that is installed on arrangement module and namely form the combination die body that mould wall surrounding is surrounded, and the outlet that makes iron runner 6 is positioned on the front side form wall of the end mould 1 in front, hook with the hook of overhead traveling crane the assembling ring 11 that cuts off mould 3, can cut off mould 3 handlings with one group easily is fitted in the combination die body, the combination die body that mould wall surrounding can be surrounded is separated into one group of mold cavity 2 that is communicated by overflow breach 12 overflow successively, lay again a demoulding and extract iron 8 in each mold cavity 2, check that the 12 foreigns obstructions of overflow breach keep overflow situation smoothly, be beneficial to the pouring molten iron operation, this mode that tiled arrangements is installed Combined type ingot mould on heavy rail 5 has convenient to operation, laborsaving timesaving advantage, and can form the heat-dissipating space of Air Flow between combination die body bottom surface and ground, can improve the radiating condition of Combined type ingot mould bottom, be particularly conducive to the operation that the demoulding is tapped a blast furnace, also the surface quality of improving iron alloy block there is certain effect.
3. pouring molten iron is poured into the molten iron of electric furnace smelting melting in ladle after having taken off slag, slowly moving to die casting machine 7 tops with overhead traveling crane lifting ladle pours molten iron in die casting machine 7 into, the molten iron of at this moment melting is with as shown in arrow 9, in iron runner 6 flows into an end mould 1 of front, again by after forward direction successively through one group of overflow breach 12 that cuts off mould 3 one by one steadily overflow in an end mould 1 of back until one group of mold cavity 2 is all watered and is filled with, in actual casting process, because the overhead traveling crane ladle of playing is only poured molten iron in die casting machine 7 into a fixed position above die casting machine 7, can complete the pouring molten iron operation, can obviously enhance productivity and have high production safety performance.
4. the demoulding molten iron nature cooling surface temperature in one group of mold cavity 2 to be cast of tapping a blast furnace is down to 700 ℃ ~ 1000 ℃, setting and hardening and when wrapping the demoulding and extracting iron 8 gradually, hooks demoulding extraction iron 8 with the hook of overhead traveling crane and lifts by crane and tap a blast furnace.
5. shrend is quenched the red heat iron alloy block that extracts in " demoulding is tapped a blast furnace " operating procedure is put in and contains in the iron container, send into its handling in water quenching pool and it is submerged in water body with driving and quench, the Sheng iron container handling that perhaps will fill the red heat iron alloy block is held on to water quenching pool, the water pipe shower nozzle waters and quenches to the iron alloy block fierceness of red heat, the control cool time is 200s ~ 500s, carry out draining, deliver to Runout area after naturally cooling and carry out fragmentation processing.
6. finishing, breaking is delivered to Runout area after iron alloy block is naturally cooling, manually knock the piece material that it is crushed to granularity requirements up to specification with hand hammer, the iron alloy block that is cast into due to the Combined type ingot mould that adopts the present invention to propose is lamellar, need not to use disintegrating machine when actual finishing, breaking operation, only need to knock gently and can complete finishing, breaking processing operation with adz-eye hammer, can greatly reduce to produce the quantity of alloy fine powder face waste product, this qualification rate of closing product to improving iron has very significantly effect.
7. the packing warehouse-in is packed qualified block of material after finishing, breaking, put in storage, is the ferroalloy finished product.
Special needs to be pointed out is: also can not adopt heavy rail, save " heavy rail 1. tiles "
Operating procedure, only need with overhead traveling crane one group of intermediate die 4 and 1 handling of two end moulds is on-the-spot to casting operation, can directly arrange on ground grading that the outlet of the combination ingot mould being installed and making iron runner 6 is positioned on the front side form wall of the end mould 1 in front, then by pouring molten iron, the demoulding tap a blast furnace, the step of finishing, breaking and packing warehouse-in operates and can make the ferroalloy finished product.
When operating, actual production to note especially holding the Best Times that taps a blast furnace; show through the summary of production experience repeatedly: carry out the demoulding tap a blast furnace the Best Times of operation be molten iron gradually the cooling surface temperature be down to time period of 700 ℃ ~ 1000 ℃ of temperature ranges; if the phenomenon that sticking to mould or fracture are difficult for taking out iron alloy block, can occur and temperature is too low in excess Temperature can not intactly take out iron alloy block.Should in being down to time period of 700 ℃ ~ 1000 ℃ of temperature ranges, the iron alloy block surface temperature of casting complete all operations were that the demoulding is tapped a blast furnace.when ingot mould is made in actual production, the length of general control intermediate die is 2000mm, width is 1200mm, the degree of depth of mold cavity is 150mm, this structural design is convenient to especially the manufacturing of ingot mould and arranges assembly operation, also be conducive to simultaneously the operation that pouring molten iron and the demoulding are tapped a blast furnace, can make the iron alloy block that is cast into be lamellar uniformly, only need can deliver to Runout area after laminal iron alloy block is naturally cooling, manually knock and can complete quickly and easily finishing, breaking processing operation with hand hammer, can greatly reduce follow-up finishing, breaking processing task difficulty, farthest reduce the quantity that produces alloy fine powder face waste product, this carries out energy-saving and emission-reduction work to smelter and has great economic benefit.
Claims (2)
1. method that Combined type ingot mould waters cast-iron alloy, described Combined type ingot mould comprises end mould (1), one group of intermediate die (4) and partition mould (3), the mold cavity (2) of end mould (1) is arranged to three side form wall constructions, the mold cavity (2) of intermediate die (4) is arranged to the side form wall construction, one group of intermediate die (4) is tiled into arrangement module by the side end face mode side by side of aliging, form at the rear and front end of arrangement module lateral location installation end mould (1) the combination die body that the mould wall surrounds, equipped one group of partition mould (3) is separated into one group of mold cavity (2) in the combination die body, be provided with overflow breach (12) at the top that cuts off mould (3), it is characterized in that: it carries out as follows,
1. the heavy rail that tiles is positioned at die casting machine (7) on the on-the-spot ground grading of casting operation, two heavy rails (5) are laid in the two side position Parallel Symmetric ground tilings of iron runner (6) front end, and the spacing of controlling two heavy rails (5) is 60 ~ 80% of intermediate die (4) length,
2. assemble ingot mould according to electric furnace once cast the amount of tapping a blast furnace the required use intermediate die of production technology calculative determination (4) and cut off the quantity of mould (3), with overhead traveling crane with on one group of intermediate die (4) and two end mould (1) handling to two heavy rail (5), one group of intermediate die (4) is tiled into arrangement module by side end face alignment mode side by side, two end moulds (1) are close to respectively the rear and front end lateral location that is installed on arrangement module and namely form the combination die body that mould wall surrounding is surrounded, and the outlet that makes iron runner (6) is positioned on the front side form wall of the end mould in front (1), cutting off mould (3) handling with overhead traveling crane with one group again is fitted in the combination die body, the combination die body that mould wall surrounding can be surrounded is separated into one group of mold cavity (2) that is communicated by overflow breach (12) overflow successively, lay a demoulding and extract iron (8) in each mold cavity (2), check that the obstruction of overflow breach (12) foreign keeps overflow situation smoothly,
3. pouring molten iron is poured into the molten iron of electric furnace smelting melting in ladle after having taken off slag, slowly moving to die casting machine (7) top with overhead traveling crane lifting ladle pours molten iron in die casting machine (7) into, make molten iron after in iron runner (6) flows into the end mould (1) of front, again by forward direction successively through one group of overflow breach (12) that cuts off mould (3) one by one steadily overflow hold in mould (1) until one group of mold cavity (2) is all watered and filled with to of back
4. the demoulding is tapped a blast furnace the molten iron nature cooling surface temperature in one group of mold cavity (2) to be cast while being down to 700 ℃ ~ 1000 ℃, and hook demoulding extraction iron (8) with the hook of overhead traveling crane and lift by crane and tap a blast furnace,
5. finishing, breaking is delivered to Runout area after iron alloy block is naturally cooling, manually knocks the piece material that it is crushed to granularity requirements up to specification with hand hammer,
6. the packing warehouse-in is packed qualified block of material after finishing, breaking, put in storage, is the ferroalloy finished product.
2. method according to claim 1, it is characterized in that: with overhead traveling crane, the handling of one group of intermediate die (4) and two end mould (1) is directly being arranged on ground grading that the outlet of the combination ingot mould being installed and making iron runner (6) is positioned on the front side form wall of the end mould in front (1) to the casting operation scene, then by pouring molten iron, the demoulding tap a blast furnace, the step of finishing, breaking and packing warehouse-in operates and can make the ferroalloy finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100581833A CN102554147B (en) | 2012-03-07 | 2012-03-07 | Combined type ingot mould and casting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100581833A CN102554147B (en) | 2012-03-07 | 2012-03-07 | Combined type ingot mould and casting method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102554147A CN102554147A (en) | 2012-07-11 |
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| GB1449052A (en) * | 1973-02-20 | 1976-09-08 | British Steel Corp | Ingot moulds |
| DE2817592A1 (en) * | 1977-04-21 | 1978-10-26 | Ni Kt I Traktornych I Kambajno | METAL CASTING WITH REINFORCED SURFACE LAYER AND METHOD FOR MANUFACTURING IT |
| CN201320594Y (en) * | 2008-12-18 | 2009-10-07 | 宝山钢铁股份有限公司 | Cast iron mold used for casting cast iron ingot |
| CN201423431Y (en) * | 2009-05-26 | 2010-03-17 | 漯河市景恒冶金机械有限公司 | Anti-crack energy-saving cast iron mold |
| CN101758173A (en) * | 2009-11-25 | 2010-06-30 | 世林（漯河）冶金设备有限公司 | Pig mold of pig machine |
| CN201921997U (en) * | 2010-12-01 | 2011-08-10 | 内乡县建材机械厂 | Polycrystalline silicon and iron alloy water-cooling heat-resistant cooling ingot mold |
| CN102211152A (en) * | 2011-06-17 | 2011-10-12 | 四川川投峨眉铁合金（集团）有限责任公司 | Ingot mould used for casting iron alloy and casting method thereof |
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2012
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1449052A (en) * | 1973-02-20 | 1976-09-08 | British Steel Corp | Ingot moulds |
| DE2817592A1 (en) * | 1977-04-21 | 1978-10-26 | Ni Kt I Traktornych I Kambajno | METAL CASTING WITH REINFORCED SURFACE LAYER AND METHOD FOR MANUFACTURING IT |
| CN201320594Y (en) * | 2008-12-18 | 2009-10-07 | 宝山钢铁股份有限公司 | Cast iron mold used for casting cast iron ingot |
| CN201423431Y (en) * | 2009-05-26 | 2010-03-17 | 漯河市景恒冶金机械有限公司 | Anti-crack energy-saving cast iron mold |
| CN101758173A (en) * | 2009-11-25 | 2010-06-30 | 世林（漯河）冶金设备有限公司 | Pig mold of pig machine |
| CN201921997U (en) * | 2010-12-01 | 2011-08-10 | 内乡县建材机械厂 | Polycrystalline silicon and iron alloy water-cooling heat-resistant cooling ingot mold |
| CN102211152A (en) * | 2011-06-17 | 2011-10-12 | 四川川投峨眉铁合金（集团）有限责任公司 | Ingot mould used for casting iron alloy and casting method thereof |
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| CN102554147A (en) | 2012-07-11 |
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