CN203018704U - Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling - Google Patents
Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling Download PDFInfo
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- CN203018704U CN203018704U CN 201220617570 CN201220617570U CN203018704U CN 203018704 U CN203018704 U CN 203018704U CN 201220617570 CN201220617570 CN 201220617570 CN 201220617570 U CN201220617570 U CN 201220617570U CN 203018704 U CN203018704 U CN 203018704U
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Abstract
The utility model discloses a device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling. The device for manufacturing the large-scale hollow steel ingots through the single-sleeve forced cooling comprises a refined bag, a block of hopper brick, a block of central casting pipe brick, a central casting pipe, a block of base brick, a flowing channel system, a block of rising hole block, a core, a single sleeve, support blocks, a lower chassis, an upper chassis, a steel ingot mold, knotting materials, a heat preservation cap and insulation boards. The refined bag is aligned with the block of central casting pipe brick in the central casting pipe through the block of hopper brick. The bottom end of the central casting pipe is aligned with the block of base brick. The block of base brick is communicated with the flowing channel system in the lower chassis. The flowing channel system is communicated with molten steel rising holes of the block of rising hole brick in the upper chassis. The interior of the bottom end of the steel ingot mold is connected on the periphery of the upper chassis in a sleeved mode through the knotting materials. The heat preservation cap is arranged at the upper end of the steel ingot mold. The single sleeve is fixedly aligned with a groove in the center of the upper chassis. A plurality of support rods are arranged on the inner wall of the single sleeve in a welding mode.
Description
Technical field
The utility model relates to a kind of device of making large-sized hollow steel ingot, and particularly a kind of single sleeve is forced the device of cooling manufacturing large-sized hollow steel ingot.
Background technology
At present, domestic nearly all large hollow forging is all to adopt solid steel ingot to produce, and solid steel ingot adopts blanking, jumping-up, punching, reaming flow process, this flow process is complex procedures not only, and the selected solid steel ingot tonnage of hollow forging is large, and the forging recovery rate is low, causes production cost higher.In addition, solid steel ingot is due to the A segregation, and after forging process, outer surface is prone to segregation and causes the defectives such as composition is uneven, field trash exposes.Japanese, French industrially developed country successively develops and has successfully produced hollow steel ingot, and for secret reason, China does not have ready-made technical data to use for reference.Along with China's nuclear power, petrochemical industry and Coal Liquefaction Project high speed development, required large hollow forging number constantly increases, and imbalance between supply and demand day is becoming tight.The eighties in last century, China first Heacy machine Stock Co., Ltd just took up to study the hollow steel ingot project, had once obtained important breakthrough, had been used for the oil refining hydrogenation reactor with the shell ring of its manufacturing.Along with the maximization gradually of shell ring, hollow steel ingot is also towards the maximization future development.As shown in Fig. 1 one, hollow steel ingot adopted the composite core structure in the past, this kind composite core structure is made of outer layer plate 2, intermediate layer steel plate 4 and inner layer steel plate 6, potting resin sand 3 in the middle of outer layer plate 2 and intermediate layer steel plate 4, air blast cooling-air 1 by the air duct 5 of 6 of intermediate layer steel plate 4 and inner layer steel plates flow out carry out cooling.This kind method has prepared the hollow steel ingot of some, and has been applied on the hydrogenation reactor of domestic some producer, but this kind method core pattern structure fabrication is complicated, and labor strength is large, and assembling is complicated.
Summary of the invention
in order to address the above problem, the utility model provides a kind of single sleeve to force the device of cooling manufacturing large-sized hollow steel ingot, single sleeve and molten steel contact position scribble the Amercoat873AL aluminum-bronze paint, scribble the Amercoat873AL blacking with the refrigerating gas contact-making surface, sleeve inner is welded with several brace rods, and employing liquid nitrogen, compressed air is forced cooling with the cooling mode of mixing mutually of air blast, the manufacturing hollow steel ingot finally solidifies the position and is positioned in the middle part of steel ingot, segregated zone distributes rationally, sleeve is without distortion, and after hollow steel ingot solidifies, middle fuse can take out smoothly, this kind method can solve the cast of various tonnage hollow steel ingots, and because cooling velocity is large, the manufacturing hollow steel ingot organize more even and original columnar grain more tiny.
the technical scheme that the utility model provides is: a kind of single sleeve is forced the device of cooling manufacturing large-sized hollow steel ingot, comprise refining bag 27, funnel brick 29, feed trumpet brick 30, feed trumpet 31, base brick 32, Tang Dao system 33, rise hole brick 34, fuse 8, single sleeve 9, back-up block 11, low bottom-disc 14, top bottom-disc 21, ingot mould 23, stamp mass 24, hot top 25, heat-insulating shield 26, it is characterized in that the feed trumpet brick 30 that described refining bag is aimed in feed trumpet 31 by funnel brick 29, base brick 32 is aimed in the bottom of feed trumpet 31, Tang Dao system 33 in base brick 32 and low bottom-disc 14 is communicated with, the molten steel rises hole of the rise hole brick 34 in Tang Dao system 33 and top bottom-disc 21 is communicated with, the inside, bottom of described ingot mould 23 is socketed in top bottom-disc 21 peripheral parts by stamp mass, hot top 25 is arranged on the upper end of ingot mould 23, single sleeve 9 centerings are fixed in the groove of top bottom-disc 21 centers, fuse 8 is bearing in single sleeve 9 inside by rest pad 11.
Further, scribble high temperature resistant Amercoat873AL aluminum-bronze paint outside described single sleeve, scribble the Amercoat873AL blacking with the refrigerating gas contact-making surface.
further, described Tang Dao system 33 comprises molten steel interconnection 15, feed trumpet molten steel pipeline connects the molten steel interconnection, the molten steel interconnection connects molten steel and distributes passage, molten steel distributes passage to connect four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes, four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes are passed respectively top bottom-disc and are exposed at single sleeve, between ingot mould.
Further, single sleeve 9 is positioned at fuse 8 outsides, and single sleeve 9 internal diameters and the outer side clearance of fuse 8 are cooling duct 10, and fuse 8 bottoms are provided with three back-up blocks 11, are 120 ° of intervals and arrange.
The novel beneficial effect of this use is: the more solid steel ingot of hollow steel ingot reduces jumping-up, punching operation when forging, and has improved forging efficient; Adopt single sleeve cooling, the core pattern structure is become simply, attach installation time and reduce; Adopt liquid nitrogen, compressed air and air blast mist cooling, intensity of cooling is large, and the segregation of manufacturing hollow steel ingot is little, dense structure; The inside and outside while, the cooling steel ingot demoulding heat that makes sent more solid steel ingot of time to shorten 2/3; The more solid ingot steel casting of hollow steel ingot has reduced the consumption of molten steel, not only shortens smelting cycle but also reduce power consumption, greatly reduces production cost.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the compound core pattern structural front view of prior art;
Fig. 2 (a) is the utility model list sleeve core pattern front view;
Fig. 2 (b) is the utility model list sleeve core pattern top view;
Fig. 3 is the low bottom-disc top view;
Fig. 4 is low bottom-disc and Tang Dao system top view;
Fig. 5 is the cooling cast hollow steel ingot of single sleeve process schematic diagram;
wherein: 1 air, 2 outer layer plates, 3 resin sands, 4 intermediate layer steel plates, 5 air ducts, 6 inner layer steel plates, 7 mists, 8 fuses, 9 single sleeves, 10 mist cooling ducts, 11 back-up blocks, 12 hangers, 13 brace rods, 14 low bottom-discs, 15 molten steel interconnections, 16 molten steel distribute passage, 17 first molten steel rises holes, 18 second molten steel rises holes, 19 the 3rd molten steel rises holes, 20 the 4th molten steel rises holes, 21 top bottom-discs, 22 cannelures, 23 ingot moulds, 24 stamp masses, 25 hot tops, 26 heat-insulating shields, 27 refining bags, 28 molten steel, 29 funnel bricks, 30 feed trumpet bricks, 31 feed trumpets, 32 base bricks, 33 Tang Dao systems, 34 rise hole bricks, 35 hollow steel ingots.
The specific embodiment
Below with reference to the accompanying drawings, the specific embodiment of the present utility model is described in detail.
Force cooling technology and running gate system installation composition by single socket type cored structure device, mist.horizontal direction is installed the molten steel interconnection on low bottom-disc, installs the chassis above the molten steel interconnection, top bottom-disc center installation fuse, single sleeve is positioned at outside fuse, scribbles high temperature resistant Amercoat873AL aluminum-bronze paint outside sleeve, scribbles the Amercoat873AL blacking with the refrigerating gas contact-making surface, sleeve inner is welded with several brace rods, and brace rod bottom is apart from sleeve bottom 20 ~ 60mm, top bottom-disc top outer rim is installed ingot mould, and hot top is installed on ingot mould, and heat-insulating shield is installed in hot top, feed trumpet is installed in top, molten steel interconnection left side, and feed trumpet molten steel pipeline connects the molten steel interconnection, for guaranteeing that pouring molten steel is unobstructed, distributed uniform, rise steadily, satisfy the cast of large-sized hollow steel ingot, large-sized hollow steel ingot cast constructional device molten steel outlet is uniform four aperture apparatus, the molten steel interconnection connects molten steel and distributes passage, molten steel distributes passage to connect four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes, four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes are passed respectively top bottom-disc and are exposed at single sleeve, between ingot mould, cooling duct between single sleeve and fuse adopts the air blast air blast for mainly cooling, and liquid nitrogen assists cooling mode cooling, abundant feeding and finally solidify the position near center when heat-insulating shield insulation in ingot head opening place guarantees ingot solidification.
As shown in Figure 2 and Figure 3, single sleeve 9 is positioned at fuse 8 outsides, and single sleeve 9 internal diameters and the outer side clearance of fuse 8 are 20～80mm, and fuse 8 bottoms are provided with three back-up blocks 11, are 120 ° of layouts, and purpose is in order to pass through smoothly refrigerating gas.fuse 8 tops are provided with hanger 12, can be for the overhead traveling crane lifting, liquid nitrogen, compressed air and air blast mist 7 vacancy in fuse 8 is flowed out by mist cooling duct 10 from top to bottom, single sleeve 9 outsides scribble high temperature resistant Amercoat873AL aluminum-bronze paint, scribble the Amercoat873AL blacking with mist 7 contact-making surfaces, sleeve 9 inside are welded with several brace rods 13, and this brace rod 13 welds together with single sleeve 9, and the brace rod bottom is apart from sleeve bottom 20 ~ 60mm, make and discharge the cooling air duct, and it supports the effect of single sleeve 9, build on the low bottom-disc 14 of being made by grey cast-iron to have by molten steel interconnection 15 and molten steel and distribute passage 16 and the first molten steel rises hole 17, the second molten steel rises hole 18, the 3rd molten steel rises hole 19 and the 4th molten steel rises hole 20 consist of Tang Dao system 33, install chassis 21 on low bottom-disc 14, the material of top bottom-disc 21 is also grey cast-iron, single sleeve 9 is installed at top bottom-disc 20 centers, fuse 8 is installed in single sleeve 9, top bottom-disc 21 has four upper lift-offs 17, rise hole 18, rise hole 19 and rise hole 20, in order to discharge stress, top bottom-disc 21 outer rims are provided with cannelure 22, top bottom-disc 21 top outer rims are installed ingot mould 23, fill with stamp mass 24 in gap between top bottom-disc 21 and ingot mould 23, hot top 25 is installed on ingot mould 23, the interior installation heat-insulating shield 26 of hot top 25, molten steel 28 pours into feed trumpet 31 by refining bag 27 through funnel brick 29, feed trumpet brick 30 is connected with base brick 32, molten steel in Tang Dao system 33 flows in ingot mould 23 through upper lift-off brick 34, finally solidify rear formation hollow steel ingot 35.
Claims (4)
1. the device of the cooling manufacturing large-sized hollow steel ingot of single sleeve pressure, comprise refining bag (27), funnel brick (29), feed trumpet brick (30), feed trumpet (31), base brick (32), Tang Dao system (33), rise hole brick (34), fuse (8), single sleeve (9), back-up block (11), low bottom-disc (14), top bottom-disc (21), ingot mould (23), stamp mass (24), hot top (25), heat-insulating shield (26), it is characterized in that described refining bag is by the feed trumpet brick (30) in funnel brick (29) aligning feed trumpet (31), base brick (32) is aimed in the bottom of feed trumpet (31), base brick (32) is communicated with Tang Dao system (33) in low bottom-disc (14), the molten steel rises hole of the rise hole brick (34) in Tang Dao system (33) and top bottom-disc (21) is communicated with, the inside, bottom of described ingot mould (23) is socketed in top bottom-disc (21) peripheral part by stamp mass, hot top (25) is arranged on the upper end of ingot mould (23), single sleeve (9) centering is fixed in the groove of top bottom-disc (21) center, fuse (8) is bearing in single sleeve (9) inside by rest pad (11).
2. single sleeve as claimed in claim 1 is forced the device of cooling manufacturing large-sized hollow steel ingot, it is characterized in that scribbling high temperature resistant Amercoat873AL aluminum-bronze paint outside described single sleeve, scribbles the Amercoat873AL blacking with the refrigerating gas contact-making surface.
3. single sleeve as claimed in claim 1 is forced the device of cooling manufacturing large-sized hollow steel ingot, it is characterized in that described Tang Dao system (33) comprises molten steel interconnection (15), feed trumpet molten steel pipeline connects the molten steel interconnection, the molten steel interconnection connects molten steel and distributes passage, molten steel distributes passage to connect four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes, four aperture apparatus the first molten steel rises holes, four aperture apparatus the second molten steel rises holes, four aperture apparatus the 3rd molten steel rises holes, four aperture apparatus the 4th molten steel rises holes are passed respectively top bottom-disc and are exposed at single sleeve, between ingot mould.
4. single sleeve as claimed in claim 1 is forced the device of cooling manufacturing large-sized hollow steel ingot, it is characterized in that single sleeve (9) is positioned at outside fuse (8), single sleeve (9) internal diameter and the outer side clearance of fuse (8) are cooling duct (10), fuse (8) bottom is provided with three back-up blocks (11), is 120 ° of intervals and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617570 CN203018704U (en) | 2012-11-20 | 2012-11-20 | Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617570 CN203018704U (en) | 2012-11-20 | 2012-11-20 | Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling |
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| CN203018704U true CN203018704U (en) | 2013-06-26 |
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| CN 201220617570 Expired - Fee Related CN203018704U (en) | 2012-11-20 | 2012-11-20 | Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386587A (en) * | 2013-07-08 | 2013-11-13 | 甘肃酒钢集团西部重工股份有限公司 | Method for grinding centrifugal hollow steel ingot for large-sized ring part |
| CN104014751A (en) * | 2014-06-20 | 2014-09-03 | 中南大学 | Sectional mold core for reducing ejection force |
| CN104399911A (en) * | 2014-11-17 | 2015-03-11 | 中国第一重型机械股份公司 | Forced ventilation cooling rotating platform |
| CN106077533A (en) * | 2016-08-23 | 2016-11-09 | 中冶陕压重工设备有限公司 | Apparatus for pouring and pouring procedure thereof for hollow steel ingot |
-
2012
- 2012-11-20 CN CN 201220617570 patent/CN203018704U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386587A (en) * | 2013-07-08 | 2013-11-13 | 甘肃酒钢集团西部重工股份有限公司 | Method for grinding centrifugal hollow steel ingot for large-sized ring part |
| CN103386587B (en) * | 2013-07-08 | 2015-11-25 | 甘肃酒钢集团西部重工股份有限公司 | A kind ofly grind the method for large ring processed with centrifugal hollow steel ingot |
| CN104014751A (en) * | 2014-06-20 | 2014-09-03 | 中南大学 | Sectional mold core for reducing ejection force |
| CN104014751B (en) * | 2014-06-20 | 2015-11-25 | 中南大学 | A kind of segmented core rod reducing knockout press |
| CN104399911A (en) * | 2014-11-17 | 2015-03-11 | 中国第一重型机械股份公司 | Forced ventilation cooling rotating platform |
| CN104399911B (en) * | 2014-11-17 | 2016-08-24 | 中国第一重型机械股份公司 | Forced ventilation cooling turntable |
| CN106077533A (en) * | 2016-08-23 | 2016-11-09 | 中冶陕压重工设备有限公司 | Apparatus for pouring and pouring procedure thereof for hollow steel ingot |
| CN106077533B (en) * | 2016-08-23 | 2018-04-24 | 中冶陕压重工设备有限公司 | Casting device and its pouring procedure for hollow steel ingot |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151120 |
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| EXPY | Termination of patent right or utility model |