CN105382218A - Forced cooling chassis and method thereof - Google Patents
Forced cooling chassis and method thereof Download PDFInfo
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- CN105382218A CN105382218A CN201510724684.4A CN201510724684A CN105382218A CN 105382218 A CN105382218 A CN 105382218A CN 201510724684 A CN201510724684 A CN 201510724684A CN 105382218 A CN105382218 A CN 105382218A
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- cooling
- groove
- storage tank
- aqua storage
- hole
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- 238000001816 cooling Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 112
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000001174 ascending effect Effects 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- -1 Kufil Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention provides a forced cooling chassis and a method thereof, wherein the forced cooling chassis comprises a bottom plate and a composition plate superposed on the upper surface of the bottom plate; the combined plate is provided with a pouring hole and at least two drainage holes arranged around the pouring hole, and the pouring hole and the drainage holes are separately arranged and vertically run through the combined plate; the upper surface of the bottom plate is provided with at least two molten steel grooves which respectively extend from the pouring hole to each drainage hole, and the pouring hole and the drainage hole are respectively communicated through the molten steel grooves corresponding to the drainage holes to form a molten steel injection channel; the combined plate comprises a back plate and a working plate which is overlapped and fixed on the upper surface of the back plate, the lower surface of the working plate is in sealing fit with the upper surface of the back plate, a plurality of transversely extending cooling through grooves for circulating cooling water are formed in the lower surface of the working plate or the upper surface of the back plate, and the cooling through grooves are not communicated with the injection channel. The invention can improve the cooling strength of the steel ingot.
Description
Technical field
The present invention relates to the technical field of Casting Equipment, particularly a kind of cooling chassis of the pressure for cooling large-sized steel ingot and corresponding forced cooling method thereof.
Background technology
Current casting industry adopts metal ingot mould equipment usually, for the crystallization of liquid metal.Conventional ingot mould body is hollow-core construction, in liquid metal cooling procedure, a large amount of heat of metal cooling solidification release is by ingot mould bulk absorption, be transmitted in air by heat radiation after absorption, rate of heat exchange is slow, so ingot mould temperature is higher, particularly easily there is adhesion with the position of liquid metal contacts, scratch, fall the phenomenons such as block, have a strong impact on the service life of ingot mould on the one hand, also the quality of rear product is solidified in impact in addition, and surface finish of casting is affected.
Along with in practical application to steel maximize, diversified demand, the concept of slab is also had a very large change, requires wider, longer, thicker product made from steel; Along with the development of solder technology, process technology is also higher to the quality requirements of slab inside.
In continuous casting technology, slab thickness determines due to the specification of conticaster, and thickness of strand is larger, and invest larger, output is lower, and production cost is higher, is greater than the thick conticaster of 450mm in the world and cans be counted on one's fingers.Adopt steel ingot as requisite a kind of Slug preparing scheme of Heavy plate production, in casting process in the middle part of ingot mould, the easy scaling loss in bottom and high-temperature region, chassis, cause ingot mould local melting loss to lose efficacy; Especially the high temperature position around the hand-hole of steel ingot chassis, because of the contact easy scaling loss of high-temperature molten steel and distortion, shortens the service life on steel ingot chassis thus.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of pressure and cools chassis and method thereof, to improve intensity of cooling.
The present invention proposes a kind of pressure and cools chassis, comprises base plate and the compoboard being stacked in described plate upper surface; At least two conduction holes described compoboard offered a plug hole and is arranged on around described plug hole, described plug hole and described conduction hole are provided separately and all vertically through described compoboard; Offer at least two the molten steel grooves extending to each described conduction hole from described plug hole respectively at described plate upper surface, described plug hole is connected with described conduction hole respectively by the described molten steel groove corresponding with described conduction hole and forms the injection channel of molten steel;
Described compoboard comprises backboard and stacked and be fixed on the working plate of described backboard upper surface, sealing laminating between described working plate lower surface and described backboard upper surface, offer the cooling groove of the multiple laterally extending layout for the cooling water that circulates at described working plate lower surface or described backboard upper surface, described cooling groove is not communicated with mutually with described injection channel.
Further, described compoboard is arranged the aqua storage tank be connected with described cooling groove.
As the enforceable mode of one, described cooling groove is arranged on described working plate lower surface, the two ends of described cooling groove are near the edge of described working plate, described aqua storage tank is the groove being arranged on described working plate lower surface, described aqua storage tank is positioned at the end, two ends of described cooling groove, and the end of adjacent at least two described cooling grooves is communicated to same described aqua storage tank.
Further, at described backboard upper surface, the auxiliary water storage groove corresponding with described aqua storage tank is set, described aqua storage tank and the contraposition of described auxiliary water storage groove fasten and form water storage cavity, and the described water storage cavity at described cooling groove two ends is connected with a cooling water tank respectively by pipeline.
As the enforceable mode of another kind, described cooling groove is arranged on described backboard upper surface, the two ends of described cooling groove are near the edge of described backboard, described aqua storage tank is the groove being arranged on described backboard upper surface, described aqua storage tank is positioned at the end, two ends of described cooling groove, and the end of adjacent at least two described cooling grooves is communicated to same described aqua storage tank.
Further, at described working plate lower surface, the auxiliary water storage groove corresponding with described aqua storage tank is set, described aqua storage tank and the contraposition of described auxiliary water storage groove fasten and form water storage cavity, and the described water storage cavity at described cooling groove two ends is connected with a cooling water tank respectively by pipeline.
Further, the wall of described water storage cavity evenly lays multiple flowing hole, and described water storage cavity is connected with described cooling water tank by described flowing hole.
Further, described cooling groove is parallel to each other, and the spacing distance of every two adjacent described cooling grooves is identical or different.
As the enforceable mode of one, the middle part being centrally located at described compoboard of described plug hole, the quantity of described conduction hole is at least three, and described conduction hole is trapped among the surrounding of described plug hole and is arranged in predetermined shape, the center of described predetermined shape and the center superposition of described plug hole.
Further, described predetermined shape is rectangle or circle.
Further, the quantity of described conduction hole is eight, and described predetermined shape is square, evenly distributed three described conduction holes on described foursquare each limit.
Further, described compoboard arranges the first annular aqua storage tank be trapped among around described plug hole, and described first annular aqua storage tank is connected with the described cooling groove through described plug hole;
And/or the second annular aqua storage tank be trapped among around described conduction hole is set on described compoboard, the quantity of described second annular aqua storage tank is identical with the quantity of described conduction hole, and described second annular aqua storage tank is connected with the described cooling groove through described conduction hole.
The present invention also proposes a kind of forced cooling method, and the pressure cooling chassis described in employing, comprises the steps:
S10, is shelved on the upper surface of compoboard by ascending pipe, the lower port of described ascending pipe seals with plug hole docks; The ingot mould of tubulose is shelved on the upper surface of described compoboard, the lower port of described ingot mould seals with at least one conduction hole docks;
S20, first passes into cooling water in cooling groove, cools, then injected from bottom to up in described ingot mould by molten steel by described ascending pipe and injection channel successively described pressure cooling chassis.
Further, before described S20, also have step S10 ', according to specification and the quantity of described ingot mould, the described conduction hole of described ingot mould is not docked in shutoff.
The present invention is compared to the beneficial effect of prior art: pressure cooling chassis of the present invention, compoboard is stacked on base plate, multiple cooling groove is offered on the surface that backboard and working plate fit, for passing into cooling water.In Long-Time Service process, the part damaged, after backboard, working plate, cooling groove or other damage parts, cracking, wearing and tearing or distortion, can be keeped in repair or change by dismounting mode by this combining structure easily; And the technique offering cooling groove on backboard, working plate is simple, decreases cost.
Invention also improves intensity of cooling, accelerate cooling velocity, shortened the ingot solidification time, steel ingot consecutive solidification from bottom to up can also be realized; Improve the internal soundness casting out steel ingot, reduce the internal segregation of steel ingot; Reduce the temperature difference of forcing cooling Nei Ge position, chassis, avoid thermal stress and concentrate the local damage caused, thus extend service life.
Forced cooling method of the present invention adopts pressure of the present invention cooling chassis to realize.In cooling procedure, according to the specification of ingot mould, can by one, two or more conduction hole to dock with same ingot mould and pours into a mould, improve casting speed, flexibility is very high; According to specification and the quantity of compoboard being installed ingot mould, by conduction hole shutoff compoboard not needing dock with ingot mould, actual production can be suitable for flexibly.
Accompanying drawing explanation
Fig. 1 is schematic front view of forcing cooling chassis of the present invention;
Fig. 2 is the enlarged diagram at A place in Fig. 1;
Fig. 3 is that cooling chassis of forcing of the present invention is in the generalized section of the embodiment one of using state;
Fig. 4 is generalized section of forcing cooling chassis of the present invention;
Fig. 5 is the enlarged diagram at B place in Fig. 4;
Fig. 6 is schematic front view of forcing the backboard on cooling chassis of the present invention;
Fig. 7 is the enlarged diagram at C place in Fig. 6;
Fig. 8 is generalized section of forcing the backboard on cooling chassis of the present invention;
Fig. 9 is schematic front view of forcing base plate first embodiment on cooling chassis of the present invention;
Figure 10 is generalized section of forcing base plate first embodiment on cooling chassis of the present invention;
Figure 11 is schematic front view of forcing base plate second embodiment on cooling chassis of the present invention;
Figure 12 is the schematic front view of pressure cooling chassis in the embodiment one of using state of employing base plate first embodiment of the present invention;
Figure 13 is the schematic front view of pressure cooling chassis in the embodiment two of using state of employing base plate first embodiment of the present invention;
Figure 14 is the schematic front view of pressure cooling chassis in the embodiment three of using state of employing base plate first embodiment of the present invention;
Figure 15 is the schematic front view of pressure cooling chassis in the embodiment four of using state of employing base plate first embodiment of the present invention;
Figure 16 is the schematic front view of pressure cooling chassis in the embodiment five of using state of employing base plate first embodiment of the present invention;
Figure 17 is the schematic front view of pressure cooling chassis in the embodiment six of using state of employing base plate first embodiment of the present invention;
Figure 18 is the schematic front view of pressure cooling chassis in the embodiment seven of using state of employing base plate first embodiment of the present invention;
Figure 19 is the schematic front view of pressure cooling chassis in the embodiment one of using state of employing base plate second embodiment of the present invention;
Figure 20 is the schematic front view of pressure cooling chassis in the embodiment two of using state of employing base plate second embodiment of the present invention;
Figure 21 is the schematic front view of pressure cooling chassis in the embodiment three of using state of employing base plate second embodiment of the present invention;
Figure 22 is the schematic front view of pressure cooling chassis in the embodiment four of using state of employing base plate second embodiment of the present invention;
Figure 23 is the schematic front view of pressure cooling chassis in the embodiment five of using state of employing base plate second embodiment of the present invention;
Figure 24 is the schematic front view of pressure cooling chassis in the embodiment six of using state of employing base plate second embodiment of the present invention;
Figure 25 is the schematic front view of pressure cooling chassis in the embodiment seven of using state of employing base plate second embodiment of the present invention.
Reference numeral:
10-base plate; 12-molten steel groove; 20-compoboard; 22-plug hole;
222-working plate plug hole; 224-backboard plug hole; The annular aqua storage tank of 23-first;
24-conduction hole; 242-working plate conduction hole; 244-backboard conduction hole;
The annular aqua storage tank of 25-second; 26-aqua storage tank; 27-flowing hole; 28-assists water storage groove;
29-screwed hole; 30-backboard; 40-working plate; 50-cools groove; 60-ascending pipe; 70-ingot mould.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being clearly and completely described with other technical characteristic and advantage of the present invention, obviously, described embodiment is only section Example of the present invention, instead of whole embodiment.
Refer to shown in Fig. 1 to Fig. 3, one of the present invention forces cooling chassis, comprises base plate 10 and the compoboard 20 being stacked in base plate 10 upper surface.At least two conduction holes 24 compoboard 20 offered a plug hole 22 and is arranged on around plug hole 22, plug hole 22 and conduction hole 24 are provided separately, and plug hole 22 and conduction hole 24 all vertically through compoboard 20.Offer at least two the molten steel grooves 12 extending to each conduction hole 24 from plug hole 22 respectively at base plate 10 upper surface, plug hole 22 and conduction hole 24 are connected respectively by the molten steel groove 12 corresponding with conduction hole 24 and form the injection channel of molten steel.It can thus be appreciated that the quantity of molten steel groove 12 is identical with the quantity of conduction hole 24.As shown in Figure 3, extraneous molten steel injects from the upper end of ascending pipe 60, is drained into the conduction hole 24 of this molten steel groove 12 correspondence successively, enter from bottom to up in ingot mould 70 through injection channel by plug hole 22 and molten steel groove 12.
Compoboard 20 comprises backboard 30 and stacked and be fixed on the working plate 40 of backboard 30 upper surface, sealing laminating between working plate 40 lower surface and backboard 30 upper surface, as shown in Figure 2, offer the cooling groove 50 of the multiple laterally extending layout for the cooling water that circulates at working plate 40 lower surface or backboard 30 upper surface, cooling groove 50 is not communicated with mutually with injection channel.In Long-Time Service process, the part damaged, after backboard 30, working plate 40, cooling groove 50 or other damage parts, cracking, wearing and tearing or distortion, can be keeped in repair or change by dismounting mode by this combining structure easily; And the technique offering cooling groove 50 on backboard 30, working plate 40 is simple, decreases cost, relative to the cast-in-block structure cooling chassis in prior art, cooling groove 50 of the present invention is not only convenient to processing, and is convenient to the part exchanging after damaging.
The present invention, by the cooling groove 50 on it, improves intensity of cooling, accelerates cooling velocity, shortened the ingot solidification time, can also realize steel ingot steel ingot consecutive solidification from bottom to up in ingot mould 70.Accelerate due to cooling thus improve the internal soundness casting out steel ingot, reducing the internal segregation of steel ingot; And reducing the temperature difference of forcing cooling Nei Ge position, chassis, internal temperature is relatively more even, avoids thermal stress and concentrates the local damage caused, thus extend the service life forcing cooling chassis.
Further, compoboard 20 arranges the aqua storage tank 26 be connected with cooling groove 50, aqua storage tank 26, for storing cooling water, can have sufficient cooling water to continue to be passed into cooling groove 50, ensure that cooling effect.
As the enforceable mode of one, refer to shown in Fig. 4 and Fig. 5, in the present embodiment, cooling groove 50 is arranged on working plate 40 lower surface, shown in composition graphs 2, the two ends of cooling groove 50 are near the edge of working plate 40, and aqua storage tank 26 is for being arranged on the groove of working plate 40 lower surface, and aqua storage tank 26 is positioned at the end, two ends of cooling groove 50.As shown in Figure 2, the end of at least two adjacent cooling grooves 50 is communicated to same aqua storage tank 26, in the present embodiment, the end of nine adjacent cooling grooves 50 is communicated to an aqua storage tank 26 jointly, aqua storage tank 26 volume that working plate 40 lower surface can be made like this to offer is slightly large, can more cooling water be accumulated, also can reduce the quantity of aqua storage tank 26 simultaneously, make the processing of aqua storage tank 26 easier.More preferably, the cross sectional shape of aqua storage tank 26 is rectangle, and the degree of depth of aqua storage tank 26 is identical with the degree of depth of cooling groove 50, ensure that the cooling water in aqua storage tank 26 can pass into each cooling groove 50 swimmingly, reduces the fluid resistance of cooling water.
Further, refer to shown in Fig. 6 to Fig. 8, arrange the auxiliary water storage groove 28 corresponding with aqua storage tank 26 at backboard 30 upper surface, aqua storage tank 26 and the contraposition of auxiliary water storage groove 28 fasten and form water storage cavity.More preferably, force cooling chassis also to comprise water system, water system comprises the pipeline of a cooling water tank and the conveying cooling water providing cooling water water source.The water storage cavity at cooling groove 50 two ends is connected with cooling water tank respectively by pipeline, in the present embodiment, cooling water tank is fixedly fitted in the side of compoboard 20, avoids the long and larger drag losses that causes of pipeline that cooling water tank supplies water to cooling groove 50, reduce pressure of supply water simultaneously.Because the backboard 30 and working plate 40 that form compoboard 20 are tabular, one-tenth-value thickness 1/10 can not be excessive, in the present embodiment, cooling groove 50 is arranged on working plate 40, on backboard 30, relative set assists water storage groove 28, composition forms the water storage cavity of larger volume, thus increases the capacity of the cooling water of accumulation in compoboard 20, ensure that cooling water continues supply in cooling groove 50.
As the enforceable mode of another kind, cooling groove 50 is arranged on backboard 30 upper surface, and the two ends of cooling groove 50 are near the edge of backboard 30, and aqua storage tank 26 is for being arranged on the groove of backboard 30 upper surface, and aqua storage tank 26 is positioned at the end, two ends of cooling groove 50.With reference to shown in Fig. 2, the end of at least two adjacent cooling grooves 50 is communicated to same aqua storage tank 26, more preferably, the end of nine adjacent cooling grooves 50 is communicated to an aqua storage tank 26 jointly, aqua storage tank 26 volume that working plate 40 lower surface can be made like this to offer is slightly large, can more cooling water be accumulated, also can reduce the quantity of aqua storage tank 26 simultaneously, make the processing of aqua storage tank 26 easier.Further, arrange the auxiliary water storage groove 28 corresponding with aqua storage tank 26 at working plate 40 lower surface, aqua storage tank 26 and the contraposition of auxiliary water storage groove 28 fasten and form water storage cavity, and the water storage cavity at cooling groove 50 two ends is connected with cooling water tank respectively by pipeline.
More preferably, the output channel of cooling water tank arranges valve, also can regulate the cooling water flow circulated in cooling groove 50 in real time by whole-process control, on backboard 30, temperature thermocouple can be installed, the temperature of Real-Time Monitoring compoboard 20, regulate cooling water flow according to the situation of solidifying of steel ingot in ingot mould 70, thus regulate intensity of cooling.
More preferably, as shown in Figure 2 and Figure 5, backboard 30 is fixedly connected with by the connecting bolt being placed in screwed hole 29 with working plate 40.In the present embodiment, multiple screwed hole 29 is spaced very little distance in compoboard 20, screwed hole 29 is evenly distributed on compoboard 20 thick and fast, and the surface energy sealing that backboard 30 and working plate 40 fit guaranteed by the connecting bolt installed in it, avoids cooling water to reveal.Screwed hole 29 is arranged in rectangular array on compoboard 20, can also be arranged in concentric circles etc.As shown in Figure 4, Figure 5 and Figure 6, working plate 40 is arranged through working plate plug hole 222 and through working plate conduction hole 242, backboard 30 arranges and the backboard plug hole 224 of through backboard 30 corresponding with working plate plug hole 222, and working plate plug hole 222 docks with backboard plug hole 224 and forms plug hole 22; Also arrange and the backboard conduction hole 244 of through backboard 30 corresponding with working plate conduction hole 242, working plate conduction hole 242 docks with backboard conduction hole 244 and forms conduction hole 24.
As the enforceable mode of one, as shown in Figure 7, the wall of water storage cavity evenly lays multiple flowing hole 27, water storage cavity is connected with cooling water tank by flowing hole 27, the flowing hole 27 of even laying makes cooling water can arrive each aqua storage tank 26 equably, ensure that in all cooling grooves 50, current-sharing is connected with cooling water, densely arranged cooling groove 50 ensure that the cooling procedure forcing to cool chassis is even, there will not be hot-spot.In the present embodiment, flowing hole 27 is arranged on the bottom of auxiliary water storage groove 28 on backboard 30, more preferably, flowing hole 27 can be arranged on the submarginal sidewall of auxiliary water storage groove 28, the convenient outer end connecting line at flowing hole 27.
Further, as shown in Figure 2, cooling groove 50 is parallel to each other, and the spacing distance of every two adjacent cooling grooves 50 is identical; Also can mutually different spacing distance be set according to actual needs, such as in the position that heat is concentrated, the spacing distance of every two adjacent cooling grooves 50 is less, arranges mutually different spacing distance according to the distribution situation of heat, thus heat is conducted rapidly, avoid hot-spot.In the present embodiment, this spacing distance is little as far as possible when processing permission, cooling groove 50 evenly can be arranged on compoboard 20 thick and fast, improve cooling velocity and heat conduction efficiency, forces cooling each position, chassis evenly to cool rapidly.
Further, as shown in Figure 1, the middle part being centrally located at compoboard 20 of plug hole 22, the quantity of conduction hole 24 is at least three, and conduction hole 24 is trapped among the surrounding of plug hole 22 and is arranged in predetermined shape, the center of predetermined shape and the center superposition of plug hole 22.Further, predetermined shape is rectangle or circle.Further, the quantity of conduction hole 24 is eight, and predetermined shape is square, evenly distributed three conduction holes 24 on foursquare each limit.
Refer to shown in Fig. 9 to Figure 11, eight conduction holes 24 are arranged in square outside plug hole 22 in fig .9, eight conduction holes 24 are outer evenly distributed circular at plug hole 22 in fig. 11, base plate 10 has been offered eight molten steel grooves 12, each molten steel groove 12 extends to corresponding conduction hole 24 from plug hole 22 respectively, and all molten steel grooves 12 cross in center formation " rice " font.Make the quantity of molten steel groove 12 on pressure cooling chassis many as far as possible like this, more ingot mould 70 can be arranged, improve the utilization rate of forcing cooling chassis; Also distance relatively far apart between each conduction hole 24, avoids and forces local temperature in cooling chassis too high, is conducive to cooling cooling water in groove 50 to its fast cooling, also can increases the service life simultaneously.More preferably, in molten steel groove 12, lay the pipeline that refractory material is made, by fire resisting duct, molten steel is inputted in ingot mould 70.
Further, as shown in Figure 1 and Figure 5, compoboard 20 arranges the annular aqua storage tank 23 of the first annular aqua storage tank 23, first be trapped among around plug hole 22 to be connected with the cooling groove 50 through plug hole 22.Simultaneously, as shown in Figure 2, the quantity that can also arrange the annular aqua storage tank 25 of the second annular aqua storage tank 25, second be trapped among around conduction hole 24 on compoboard 20 is identical with the quantity of conduction hole 24, and the second annular aqua storage tank 25 is connected with the cooling groove 50 through conduction hole 24.
More preferably, in embodiment shown in Fig. 4 to Fig. 8, first annular aqua storage tank 23 and the second annular aqua storage tank 25 are all located on the working plate 40 at cooling groove 50 place, and the degree of depth of the first annular aqua storage tank 23, the degree of depth of the second annular aqua storage tank 25 are all identical with the degree of depth of cooling groove 50.As shown in Figure 1, cooling groove 50 through plug hole 22 is divided into two sections by the first annular aqua storage tank 23, the cooling groove 50 being divided into two sections respectively aqua storage tank 23 annular with first is connected, the cooling water of certain capacity accumulated by first annular aqua storage tank 23 around plug hole 22, usually higher in plug hole 22 place temperature, the first annular aqua storage tank 23 can concentrate enough cooling waters herein fully for cooling.First annular aqua storage tank 23 and the second annular aqua storage tank 25 can also be arranged on backboard 30 upper surface, cooling groove 50 through plug hole 22 is divided into two sections by plug hole 22, the cooling groove 50 being divided into two sections respectively aqua storage tank 23 annular with first is communicated with, not only avoid processing too complicated groove on working plate 40 lower surface, can also at the cooling water of the larger volume of plug hole 22 place accumulation.In like manner, the arrangement of the first annular aqua storage tank 23 is also applicable to the second annular aqua storage tank 25, does not repeat them here.
More preferably, working plate 40 can adopt the materials such as copper alloy, fine copper, Kufil, steel to make, and backboard 30 can adopt the materials such as steel to make, and base plate 10 can adopt cast iron or cast steel to make.
A kind of forced cooling method of the present invention, adopts described pressure to cool chassis, comprises the steps:
S10, as shown in Fig. 3 and Figure 12, is shelved on the upper surface of compoboard 20 by ascending pipe 60, the lower port of ascending pipe 60 seals with plug hole 22 docks; The ingot mould 70 of tubulose is shelved on the upper surface of compoboard 20, the lower port of ingot mould 70 seals with at least one conduction hole 24 docks; In cooling procedure, according to the specification of ingot mould 70, can by one, two or more conduction hole 24 to dock with same ingot mould 70 and pours into a mould, improve poring rate, flexibility is very high;
S20, after above-mentioned cast production preparation completes, first the water system of cooling water is opened, cooling water is passed in cooling groove 50, pressure cooling chassis is cooled, avoid the molten steel poured into a mould to cause working plate, backboard and chassis temperature too high, then start cast, then by ascending pipe 60 and injection channel, molten steel is injected in ingot mould 70 from bottom to up successively.
In Figure 12, eight conduction holes 24 are arranged as square, and the lower port of eight circular ingot moulds 70 is docked with a conduction hole 24 respectively.In Figure 13 and Figure 14, four conduction holes 24 are all arranged as circle or square, and the lower port of four ingot moulds 70 is docked with a conduction hole 24 respectively.Difference is: in Figure 13, conduction hole 24 is arranged as circle, and ingot mould 70 is circular; In Figure 14, conduction hole 24 is arranged as wherein arbitrarily while the square parallel with one side of adjacent compoboard 20, and ingot mould 70 is square.In Figure 15 and Figure 16, ingot mould 70 is rectangle, and for casting band steel, each ingot mould 70 docks with two conduction holes 24 respectively.Difference is: Tu15Zhong, and eight conduction holes 24 are arranged as square, Tu16Zhong, and four conduction holes 24 are all arranged as circle or square.
In Figure 17, eight conduction holes 24 are arranged in square, working plate 40 is provided with the ingot mould 70 of three kinds of different sizes, wherein the maximum sized ingot slab mould in the rightmost side (rectangular ingot mould) docks with three conduction holes 24, the ingot slab mould of another two reduced sizes docks with two conduction holes 24 respectively, and foursquare minimum ingot mould docks with a conduction hole 24.As from the foregoing, produce while forcing cooling chassis can be applicable to plurality of specifications steel ingot.According to actual conditions, compoboard 20 can also be arranged arbitrarily the position of conduction hole 24.For the steel ingot of varying number or different size, select conduction hole 24 quantity that each ingot mould 70 uses, and the combination of the multiple conduction holes 24 used.
Further, before S20, also have step S10 ', according to specification and the quantity of ingot mould 70, the conduction hole 24 of ingot mould 70 is not docked in shutoff.As shown in figure 18, eight conduction holes 24 are arranged in square, and working plate 40 is provided with two ingot slab moulds of large-size, each ingot slab mould docks with three conduction holes 24 respectively, remaining two conduction holes 24 of shutoff.According to specification and the quantity of compoboard 20 being installed ingot mould 70, compoboard 20 will not need conduction hole 24 shutoff used, and actual production can be suitable for flexibly.
In Figure 19, eight conduction holes 24 are arranged in circle, and the lower port of eight circular ingot moulds 70 is docked with a conduction hole 24 respectively.In Figure 20 and Figure 21, four conduction holes 25 are arranged as circle, and the lower port of four ingot moulds 70 is docked with a conduction hole 24 respectively.Difference is: in Figure 20, ingot mould 70 is for circular, and in Figure 21, ingot mould 70 is rectangle.In Figure 22, eight conduction holes 24 are arranged as circle, and arrange four rectangular ingot moulds 70, each ingot mould 70 docks with two conduction holes 24 respectively.In Figure 23, four conduction holes 24 are arranged as circle, arrange the rectangular ingot mould 70 of two large-sizes, and each ingot mould 70 docks with two conduction holes 24 respectively.In Figure 24, eight conduction holes 24 are arranged as circle, wherein the maximum sized ingot slab mould in the rightmost side docks with three conduction holes 24, and the ingot slab mould of another two reduced sizes docks with two conduction holes 24 respectively, and circular minimum ingot mould docks with a conduction hole 24.In Figure 25, six conduction holes 24 are arranged as circle, arrange the ingot slab mould of two large-sizes, and each ingot mould 70 docks with three conduction holes 24 respectively.
As from the foregoing, cooling chassis is forced according to actual needs, the conduction hole 24 of varying number can be set, and to be arranged as different shapes.Can poring rate as required, the quantity of ingot mould 70, specification (circular, square or rectangular) and size during use, the quantity of the conduction hole 24 selecting each ingot mould 70 to dock, is applicable to needs of production neatly.
Above-described specific embodiment, has carried out further detailed description to object of the present invention, technical scheme and beneficial effect, should be appreciated that and the foregoing is only specific embodiments of the invention, the protection domain be not intended to limit the present invention.Particularly point out, to those skilled in the art, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. force a cooling chassis, it is characterized in that, described cooling chassis of forcing comprises base plate and is stacked in the compoboard of described plate upper surface; At least two conduction holes described compoboard offered a plug hole and is arranged on around described plug hole, described plug hole and described conduction hole are provided separately and all vertically through described compoboard; Offer at least two the molten steel grooves extending to each described conduction hole from described plug hole respectively at described plate upper surface, described plug hole is connected with described conduction hole respectively by the described molten steel groove corresponding with described conduction hole and forms the injection channel of molten steel;
Described compoboard comprises backboard and stacked and be fixed on the working plate of described backboard upper surface, sealing laminating between described working plate lower surface and described backboard upper surface, offer the cooling groove of the multiple laterally extending layout for the cooling water that circulates at described working plate lower surface or described backboard upper surface, described cooling groove is not communicated with mutually with described injection channel.
2. pressure cooling chassis according to claim 1, is characterized in that, described compoboard arranges the aqua storage tank be connected with described cooling groove.
3. pressure cooling chassis according to claim 2, it is characterized in that, described cooling groove is arranged on described working plate lower surface, the two ends of described cooling groove are near the edge of described working plate, described aqua storage tank is the groove being arranged on described working plate lower surface, described aqua storage tank is positioned at the end, two ends of described cooling groove, and the end of adjacent at least two described cooling grooves is communicated to same described aqua storage tank.
4. pressure cooling chassis according to claim 3, it is characterized in that, at described backboard upper surface, the auxiliary water storage groove corresponding with described aqua storage tank is set, described aqua storage tank and the contraposition of described auxiliary water storage groove fasten and form water storage cavity, and the described water storage cavity at described cooling groove two ends is connected with a cooling water tank respectively by pipeline.
5. pressure cooling chassis according to claim 2, it is characterized in that, described cooling groove is arranged on described backboard upper surface, the two ends of described cooling groove are near the edge of described backboard, described aqua storage tank is the groove being arranged on described backboard upper surface, described aqua storage tank is positioned at the end, two ends of described cooling groove, and the end of adjacent at least two described cooling grooves is communicated to same described aqua storage tank.
6. pressure cooling chassis according to claim 5, it is characterized in that, at described working plate lower surface, the auxiliary water storage groove corresponding with described aqua storage tank is set, described aqua storage tank and the contraposition of described auxiliary water storage groove fasten and form water storage cavity, and the described water storage cavity at described cooling groove two ends is connected with a cooling water tank respectively by pipeline.
7. the pressure cooling chassis according to claim 4 or 6, it is characterized in that, the wall of described water storage cavity evenly lays multiple flowing hole, and described water storage cavity is connected with described cooling water tank by described flowing hole.
8. pressure according to claim 1 cooling chassis, it is characterized in that, described cooling groove is parallel to each other, and the spacing distance of every two adjacent described cooling grooves is identical or different.
9. pressure cooling chassis according to claim 1, it is characterized in that, the middle part being centrally located at described compoboard of described plug hole, the quantity of described conduction hole is at least three, described conduction hole is trapped among the surrounding of described plug hole and is arranged in predetermined shape, the center of described predetermined shape and the center superposition of described plug hole.
10. pressure cooling chassis according to claim 9, it is characterized in that, described predetermined shape is rectangle or circle.
11. pressure cooling chassis according to claim 10, it is characterized in that, the quantity of described conduction hole is eight, and described predetermined shape is square, evenly distributed three described conduction holes on described foursquare each limit.
12. pressure cooling chassis according to claim 1, it is characterized in that, described compoboard arranges the first annular aqua storage tank be trapped among around described plug hole, and described first annular aqua storage tank is connected with the described cooling groove through described plug hole;
And/or the second annular aqua storage tank be trapped among around described conduction hole is set on described compoboard, the quantity of described second annular aqua storage tank is identical with the quantity of described conduction hole, and described second annular aqua storage tank is connected with the described cooling groove through described conduction hole.
13. 1 kinds of forced cooling methods, is characterized in that, adopt the pressure cooling chassis described in any one of claim 1 to 12, comprise the steps:
S10, is shelved on the upper surface of compoboard by ascending pipe, the lower port of described ascending pipe seals with plug hole docks; The ingot mould of tubulose is shelved on the upper surface of described compoboard, the lower port of described ingot mould seals with at least one conduction hole docks;
S20, first passes into cooling water in cooling groove, cools, then injected from bottom to up in described ingot mould by molten steel by described ascending pipe and injection channel successively described pressure cooling chassis.
14. forced cooling methods according to claim 13, is characterized in that, before described S20, also have step S10 ', and according to specification and the quantity of described ingot mould, the described conduction hole of described ingot mould is not docked in shutoff.
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| CN201510724684.4A CN105382218B (en) | 2015-10-29 | 2015-10-29 | Forced cooling chassis and method thereof |
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| CN201510724684.4A CN105382218B (en) | 2015-10-29 | 2015-10-29 | Forced cooling chassis and method thereof |
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| CN105382218B CN105382218B (en) | 2017-12-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670388A (en) * | 2017-02-21 | 2017-05-17 | 中冶京诚工程技术有限公司 | Cooling steel ingot mold |
| CN106670408A (en) * | 2017-02-21 | 2017-05-17 | 中冶京诚工程技术有限公司 | Cooling steel ingot mold |
| CN107892274A (en) * | 2017-11-30 | 2018-04-10 | 南通星球石墨设备有限公司 | One kind synthesis furnace hearth plate runner improves system |
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| CN205056969U (en) * | 2015-10-29 | 2016-03-02 | 中冶京诚工程技术有限公司 | Forced cooling chassis |
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| JPS61169138A (en) * | 1985-01-23 | 1986-07-30 | Hitachi Ltd | Molding board for unidirectionally solidified steel ingot |
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| CN202715792U (en) * | 2012-05-15 | 2013-02-06 | 奚来凤 | Die casting structure for producing steel ingots in different specifications |
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| CN106670388A (en) * | 2017-02-21 | 2017-05-17 | 中冶京诚工程技术有限公司 | Cooling steel ingot mold |
| CN106670408A (en) * | 2017-02-21 | 2017-05-17 | 中冶京诚工程技术有限公司 | Cooling steel ingot mold |
| CN107892274A (en) * | 2017-11-30 | 2018-04-10 | 南通星球石墨设备有限公司 | One kind synthesis furnace hearth plate runner improves system |
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|---|---|
| CN105382218B (en) | 2017-12-12 |
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