CN103966415B - Steel ball is combined waste heat back-fire arrangement - Google Patents
Steel ball is combined waste heat back-fire arrangement Download PDFInfo
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- CN103966415B CN103966415B CN201410144586.9A CN201410144586A CN103966415B CN 103966415 B CN103966415 B CN 103966415B CN 201410144586 A CN201410144586 A CN 201410144586A CN 103966415 B CN103966415 B CN 103966415B
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Abstract
The present invention relates to a kind of steel ball and be combined waste heat back-fire arrangement, described device includes double-deck back-fire arrangement (1), steel ball strong convection cooling device (2), high temperature resistant steel ball elevating conveyor (3) and waste heat guard system (4), described high temperature resistant steel ball elevating conveyor (3) is provided with two, between one discharge end and feed end of steel ball strong convection cooling device (2) being positioned at double-deck back-fire arrangement (1), another is positioned between the discharge end of steel ball strong convection cooling device (2) and the feed end of double-deck back-fire arrangement (1).One steel ball of the present invention is combined waste heat back-fire arrangement, and energy consumption is low, it is effective to be tempered.
Description
Technical field
The present invention relates to a kind of tempering process, especially relate to the waste heat of the high-temperature flue gas of generation when a kind of hot rolling steel ball utilizes early stage to heat and carry out being tempered the technique heated, belong to hot rolling steel ball production technical field.
Background technology
At present, hot rolling steel ball is a kind of brand-new Bar Rolling Process, is that the manufacturing Technology of ball milling steel ball breaks through, the most gradually substitutes casting ball, and hot rolling steel ball technique has the following characteristics that
1, hot-rolled steel ball has the plurality of advantages of steel, and it the most after heat treatment becomes high-quality ball milling ball by special equipment roll forming；
2, production efficiency is high, production capacity big, roll ball production mechanization, automaticity is high, does not has manually-operated production link, and employment is few, and interference from human factor is little；
3, energy consumption is low, pollution-free, labor intensity is low, production cost is relatively low；
4, inherent quality is stable, and metallographic structure is fine and close, crystal grain thin, be unlikely to deform, anti-wear performance good, impact flexibility is up to 18-28J/CM2；
5, shape, roundness deviation little, presentation quality is good；
6, ratio is great, more than 7.85g/cm3；
7, ball hardness is high, and up to 62 ~ 65HRC, and inside and outside hardness is uniform, and difference of hardness is little；Wear rate is low, and service life is long, be existing conventional cast steel ball, about 2 times of forged steel ball, and price is suitable；
Therefore, hot rolling steel ball product is used widely, by the consistent favorable comment of domestic and international client in industries such as all kinds of black and nonferrous metal mine ore dressing plant, thermal power plant, cement plant, refractory factories；
At present, typically use the hot rolling ball milling steel ball of forging (rolling) steel ball iron and steel industry industry standard (YB/T 091-2005) professional production all size, steel ball size scope is Φ 20-Φ 150mm, rolling ball milling steel ball employing is the hot rolled circular steel rod of the related chemistry element containing particular configuration ratio, and its diameter is close with steel ball nominal diameter；Conventional hot rolling steel ball main production flow process is as follows:
Step one, steel mill's scale round steel bar, after inspection, cut into steel ball blank by cut lengths；
Step 2, the steel ball bar cut first pass through and are heated to suitable temperature in continuous-type furnace；
After step 3, the bar of red heat state are admitted to ball rolling mill, being rotationally advancing between 2 rolls with special spiral type pass, and be rolled into steel ball continuously, every ball rolling mill is per minute rolls into 60-360 steel ball；
Red heat state steel ball after step 4, roll forming immediately enters burning optimization on line equipment and carries out-the tempering heat treatment that quenches, and makes steel ball obtain the highest and uniform hardness；
Step 5, through check qualified product be sent to finished room, mail to client after packing；
But, find through actual production, there is problem highlighted below during above-mentioned production hot rolling steel ball: a tempering process and equipment in step 4 exist more limitation simultaneously, cause its power consumption height, after tempering, ball hardness loss is big, the uniformity is poor, therefore needs improvement badly.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of energy consumption is low, be tempered effective steel ball is combined waste heat back-fire arrangement.
The object of the present invention is achieved like this: a kind of steel ball is combined waste heat back-fire arrangement, described device includes double-deck back-fire arrangement, steel ball strong convection cooling device, high temperature resistant steel ball elevating conveyor and waste heat guard system, described high temperature resistant steel ball elevating conveyor is provided with two, one between discharge end and the feed end of steel ball strong convection cooling device of double-deck back-fire arrangement, another is between the discharge end and the feed end of double-deck back-fire arrangement of steel ball strong convection cooling device.
Described double-deck back-fire arrangement includes lower floor support and is installed on the upper layer bracket above lower floor support, lower floor's chain type transmission belt and upper strata chain type transmission belt it is horizontally installed with respectively on described lower floor support and upper layer bracket, a waste heat guard system is had to be installed in above-mentioned lower floor support and upper layer bracket, described waste heat guard system includes waste heat input pipe, upper strata waste heat pipe and lower floor's waste heat pipe, one end of described waste heat input pipe is connected with waste heat source, the other end is connected with upper strata waste heat pipe and lower floor's waste heat pipe, described upper strata waste heat pipe and lower floor's waste heat pipe are respectively arranged on upper layer bracket and lower floor support, and upper strata waste heat pipe and lower floor waste heat Guan Shangjun are horizontally connected with many arms, above-mentioned the lower section laying respectively at lower floor's chain type transmission belt and upper strata chain type transmission belt；Multiple tracks slit is all had on described arm.
One steel ball of the present invention is combined waste heat tempering process, and described upper layer bracket and lower floor support are enclosed construction, and upper layer bracket and the right-hand member of lower floor support and left end are provided with charging aperture and discharging opening, and the discharge outlet being positioned at left end is provided with a tail gas petticoat pipe.
One steel ball of the present invention is combined waste heat tempering process, above-mentioned steps two uses steel ball strong convection cooling device, described steel ball strong convection cooling device includes support, the transmission belt transporting steel ball to be cooled is installed in support, the two ends, left and right of described support are provided with import and export, and before and after described support, the top of sidewall is provided with sealing plate and carries out sealing, and air inlet is formed at bottom, the top of described support is provided with the fan housing of pyramidal structure, and the top of this fan housing is connected by induced duct and a blower fan.
One steel ball of the present invention is combined waste heat tempering process, between above-mentioned steps one and step 2, between step 2 and step 3, all by high temperature resistant steel ball elevating conveyor, steel ball is carried out transfer and carries；Described high temperature resistant steel ball elevating conveyor includes angularly disposed frame, it is provided with along its angularly disposed transmission belt in described frame, above-mentioned transmission belt is driven by the drive shaft being positioned at angularly disposed upper rack, and above-mentioned transmission belt is provided by the driven shaft being positioned at angularly disposed frame lower and supports.
One steel ball of the present invention is combined waste heat tempering process, and above-mentioned driven shaft is loaded on slider shaft holder by bearing holder (housing, cover), and this slider shaft holder is slidably connected in above-mentioned frame.
One steel ball of the present invention is combined waste heat tempering process, and described slider shaft holder is fixed with the slide block being embedded in frame upper hopper chute, and an adjusting screw rod one end is spun on this slider shaft holder, and the other end is spun in a fixed plate being fixed in frame.
One steel ball of the present invention is combined waste heat tempering process, described transmission belt includes the symmetrically arranged chain mechanism of the right and left and the connecting plate being connected between chain structure, above-mentioned chain structure includes end to end carrier bar, end to end connection otic placode and is connected to carrier bar and the roller connected between otic placode, described connecting plate includes the most spaced U-board and L shaped plate, the two ends, left and right of described U-board and L shaped plate are individually fixed on the connection otic placode being positioned at the right and left, and described U-board and L shaped plate constitute a bucket type structure.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention coordinates double tempering technique that steel ball is carried out temper by double-deck back-fire arrangement, steel ball strong convection cooling device, high temperature resistant steel ball elevating conveyor and waste heat guard system, and (double-deck back-fire arrangement makes double tempering to carry out simultaneously, i.e. improve energy utilization rate, accelerate again tempering efficiency), thus improve the metallographic structure of steel ball, improve again the toughness of steel ball after decreasing tempering while ball hardness loss, contribute to enterprise and improve the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the pipelining equipment structure diagram that steel ball of the present invention is combined waste heat back-fire arrangement.
Fig. 2 is the structure diagram that steel ball of the present invention is combined the waste heat guard system of waste heat back-fire arrangement.
Fig. 3 is the partial structurtes schematic diagram that steel ball of the present invention is combined the chain type conveyor belt of the high temperature resistant steel ball elevating conveyor of waste heat back-fire arrangement.
Fig. 4 is the partial structurtes schematic diagram that steel ball of the present invention is combined the chain mechanism of the high temperature resistant steel ball elevating conveyor of waste heat back-fire arrangement.
Fig. 5 is the structural representation that steel ball of the present invention is combined the bucket conveyor structure of the high temperature resistant steel ball elevating conveyor of waste heat back-fire arrangement.
Wherein:
Double-deck back-fire arrangement 1, steel ball strong convection cooling device 2, high temperature resistant steel ball elevating conveyor 3, waste heat guard system 4；
Lower floor support 1.1, upper layer bracket 1.2, lower floor's chain type transmission belt 1.3, upper strata chain type transmission belt 1.4；
Support 2.1, import and export 2.2, sealing plate 2.3, air inlet 2.4, fan housing 2.5, induced duct 2.6；
Frame 3.1, transmission belt 3.2, drive shaft 3.3, driven shaft 3.4, slider shaft holder 3.5, fixed plate 3.6, adjusting screw rod 3.7；
Carrier bar 3.2.1, roller 3.2.2, connection otic placode 3.2.3, U-board 3.2.4, L shaped plate 3.2.5；
Waste heat input pipe 4.1, upper strata waste heat pipe 4.2, lower floor's waste heat pipe 4.3, arm 4.4, slit 4.5.
Detailed description of the invention
See Fig. 1 ~ 5, a kind of steel ball that the present invention relates to is combined waste heat back-fire arrangement, described device includes double-deck back-fire arrangement 1, steel ball strong convection cooling device 2, high temperature resistant steel ball elevating conveyor 3 and waste heat guard system 4, described high temperature resistant steel ball elevating conveyor 3 is provided with two, one between discharge end and the feed end of steel ball strong convection cooling device 2 of double-deck back-fire arrangement 1, another is between the discharge end and the feed end of double-deck back-fire arrangement 1 of steel ball strong convection cooling device 2
nullDescribed double-deck back-fire arrangement 1 includes lower floor support 1.1 and is installed on the upper layer bracket 1.2 above lower floor support 1.1，Lower floor's chain type transmission belt 1.3 and upper strata chain type transmission belt 1.4 it is horizontally installed with respectively on described lower floor support 1.1 and upper layer bracket 1.2，A waste heat guard system 4 is had to be installed in above-mentioned lower floor support 1.1 and upper layer bracket 1.2，Concretely，Described waste heat guard system 4 includes waste heat input pipe 4.1、Upper strata waste heat pipe 4.2 and lower floor's waste heat pipe 4.3，One end of described waste heat input pipe 4.1 is connected (the high-temperature flue gas recovery tube as in the front end round steel heater in this patent) with waste heat source，The other end is connected with upper strata waste heat pipe 4.2 and lower floor's waste heat pipe 4.3，Described upper strata waste heat pipe 4.2 and lower floor's waste heat pipe 4.3 are respectively arranged on upper layer bracket 1.2 and lower floor support 1.1，And all it is horizontally connected with many arms 4.4 on upper strata waste heat pipe 4.2 and lower floor's waste heat pipe 4.3，Above-mentioned arm 4.4 lays respectively at lower floor's chain type transmission belt 1.3 and the lower section of upper strata chain type transmission belt 1.4；All have multiple slit 4.5 on described arm 4.4, thus the steel ball of lower floor's chain type transmission belt 1.3 and upper strata chain type transmission belt 1.4 is heated by high-temperature flue gas uniformly；Upper layer bracket 1.2 and lower floor support 1.1 are enclosed construction simultaneously, only leave charging aperture and the discharging opening being respectively arranged at right-hand member and left end, and the discharge outlet being positioned at left end is provided with a tail gas petticoat pipe, for utilizing complete high-order flue gas to carry out centralized collection and discharge；
nullDescribed steel ball strong convection cooling device 2 includes support 2.1，The transmission belt transporting steel ball to be cooled is installed in support 2.1，The two ends, left and right of described support 2.1 are provided with import and export 2.2，Before and after described support 2.1, the top of sidewall is provided with sealing plate 2.3 and seals，It is preferred that air inlet 2.4 is formed at bottom，This air inlet 2.4 is positioned at the lower section of the transmission belt of above-mentioned transport steel ball to be cooled，The top of described support 2.1 is provided with the fan housing 2.5 of pyramidal structure，And the top of this fan housing 2.5 is connected with a blower fan by induced duct 2.6，Above-mentioned steel ball strong convection cooling device 2 is operationally，Existence due to blower fan，Negative pressure is formed in making the cavity of support 2.1，Thus the extraneous cold wind being constantly enters in the cavity of support 2.1 from air inlet 2.4，Then by induced duct 2.6 sucking-off at top after steel ball being cooled down；
Described high temperature resistant steel ball elevating conveyor 3 includes angularly disposed frame 3.1, it is provided with along its angularly disposed transmission belt 3.2 in described frame 3.1, described transmission belt 3.2 includes the symmetrically arranged chain mechanism of the right and left and the connecting plate being connected between chain structure
nullAbove-mentioned chain structure includes end to end carrier bar 3.2.1、End to end connection otic placode 3.2.3、And it is connected to the roller 3.2.2(between carrier bar 3.2.1 and connection otic placode 3.2.3 concretely，Adjacent carrier bar 3.2.1、It is hinged by bearing pin between adjacent connection otic placode 3.2.3，Simultaneously roller 3.2.2 be set with equally with on this bearing pin，And roller 3.2.2 at carrier bar 3.2.1 and connects between otic placode 3.2.3)，Described connecting plate includes the most spaced U-board 3.2.4 and L shaped plate 3.2.5，The two ends, left and right of described U-board 3.2.4 and L shaped plate 3.2.5 are individually fixed on the connection otic placode 3.2.3 being positioned at the right and left，Described U-board 3.2.4 and L shaped plate 3.2.5 constitute a bucket type structure，During so that carry out proposing material conveying，Steel ball is unlikely to tumble (preferably，The diameter of steel ball is more than the width of base plate constituting L shaped plate 3.2.5) left and right sides of L shaped plate 3.2.5 also can be vertically provided with baffle plate，For promoting the steel ball that diameter is less，So it is favorably improved the versatility of product；
nullAbove-mentioned transmission belt 3.2 is driven by the drive shaft 3.3 being positioned at angularly disposed frame 3.1 top that (this drive shaft 3.3 can be driven by motor or hydraulic motor or other any drive mechanisms，All within the protection domain of this patent)，Simultaneously，Above-mentioned transmission belt 3.2 is provided support driven and tension by the driven shaft 3.4 being positioned at angularly disposed frame 3.1 bottom，Now，This driven shaft 3.4 is loaded on slider shaft holder 3.5 by bearing holder (housing, cover)，This slider shaft holder 3.5 is slidably connected in above-mentioned frame 3.1，Concretely，The slide block being embedded in frame 3.1 upper hopper chute it is fixed with on this slider shaft holder 3.5，And one adjusting screw rod 3.7 one end be spun on this slider shaft holder 3.5，The other end is spun in a fixed plate 3.6 being fixed in frame 3.1，Thus realize slider shaft holder 3.5 move along frame 3.1 is oblique by regulating this adjusting screw rod 3.7，Serve the tension to transmission belt 3.2；
Pass through said apparatus, achieve the double tempering effect to steel ball, lower floor's chain type transmission belt 1.3 that steel ball initially enters in lower floor support 1.1 is once tempered, then it is delivered to steel ball strong convection cooling device 2 by high temperature resistant steel ball elevating conveyor 3 cool down, steel ball after cooling is promoted to by high temperature resistant steel ball elevating conveyor 3 carry out double tempering (utilizing waste heat guard system 4 to heat steel ball during tempering operation) in the upper strata chain type transmission belt 1.4 in the upper layer bracket 1.2 of double-deck back-fire arrangement 1 again, the metallographic structure of steel ball it is favorably improved by double tempering, it is made to have more preferable toughness and optimal bulk strength；And available waste heat carries out temper to it, having positive energy-saving and emission-reduction benefit, the high-temperature tail gas of Ji Duiqian road technique is processed, again to its carried out again with, saved substantial amounts of heat energy, effectively reduced the production cost of enterprise；
In addition, it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent; those skilled in the art is according to said apparatus; under the technology of this patent is enlightened, any change done or improvement, all within the protection domain of this patent.
Claims (7)
- null1. a steel ball is combined waste heat back-fire arrangement，It is characterized in that: described device includes double-deck back-fire arrangement (1)、Steel ball strong convection cooling device (2)、High temperature resistant steel ball elevating conveyor (3) and waste heat guard system (4)，Described high temperature resistant steel ball elevating conveyor (3) is provided with two，Between one discharge end and feed end of steel ball strong convection cooling device (2) being positioned at double-deck back-fire arrangement (1)，Another is positioned between the discharge end of steel ball strong convection cooling device (2) and the feed end of double-deck back-fire arrangement (1)，Described double-deck back-fire arrangement (1) includes lower floor support (1.1) and is installed on the upper layer bracket (1.2) of lower floor support (1.1) top，Lower floor's chain type transmission belt (1.3) and upper strata chain type transmission belt (1.4) it is horizontally installed with respectively on described lower floor support (1.1) and upper layer bracket (1.2)；nullDescribed waste heat guard system (4) is installed in above-mentioned lower floor support (1.1) and upper layer bracket (1.2)，Described waste heat guard system (4) includes waste heat input pipe (4.1)、Upper strata waste heat pipe (4.2) and lower floor's waste heat pipe (4.3)，One end of described waste heat input pipe (4.1) is connected with waste heat source，The other end is connected with upper strata waste heat pipe (4.2) and lower floor's waste heat pipe (4.3)，Described upper strata waste heat pipe (4.2) and lower floor's waste heat pipe (4.3) are respectively arranged on upper layer bracket (1.2) and lower floor support (1.1)，And all it is horizontally connected with many arms (4.4) in upper strata waste heat pipe (4.2) and lower floor's waste heat pipe (4.3)，Above-mentioned arm (4.4) lays respectively at lower floor's chain type transmission belt (1.3) and the lower section on upper strata chain type transmission belt (1.4)；Multiple tracks slit (4.5) is all had on described arm (4.4).
- 2. a kind of steel ball is combined waste heat back-fire arrangement, it is characterized in that: described upper layer bracket (1.2) and lower floor support (1.1) are enclosed construction, and upper layer bracket (1.2) and the right-hand member of lower floor support (1.1) and left end are provided with charging aperture and discharging opening, and the discharge outlet being positioned at left end is provided with a tail gas petticoat pipe.
- 3. a kind of steel ball is combined waste heat back-fire arrangement, it is characterized in that: described steel ball strong convection cooling device (2) includes support (2.1), the transmission belt transporting steel ball to be cooled is installed in support (2.1), the two ends, left and right of described support (2.1) are provided with import and export (2.2), before and after described support (2.1), the top of sidewall is provided with sealing plate (2.3) and seals, air inlet (2.4) is formed at bottom, the top of described support (2.1) is provided with the fan housing (2.5) of pyramidal structure, and the top of this fan housing (2.5) is connected with a blower fan by induced duct (2.6).
- 4. a kind of steel ball is combined waste heat back-fire arrangement, it is characterized in that: described high temperature resistant steel ball elevating conveyor (3) includes angularly disposed frame (3.1), it is provided with along its angularly disposed transmission belt (3.2) in described frame (3.1), above-mentioned transmission belt (3.2) is driven by the drive shaft (3.3) being positioned at angularly disposed frame (3.1) top, and above-mentioned transmission belt (3.2) is provided by the driven shaft (3.4) being positioned at angularly disposed frame (3.1) bottom and supports.
- 5. a kind of steel ball is combined waste heat back-fire arrangement, it is characterised in that: above-mentioned driven shaft (3.4) is loaded on slider shaft holder (3.5) by bearing holder (housing, cover), and this slider shaft holder (3.5) is slidably connected in above-mentioned frame (3.1).
- 6. a kind of steel ball is combined waste heat back-fire arrangement, it is characterized in that: on described slider shaft holder (3.5), be fixed with the slide block being embedded in frame (3.1) upper hopper chute, and one adjusting screw rod (3.7) one end be spun on this slider shaft holder (3.5), the other end is spun in a fixed plate (3.6) being fixed in frame (3.1).
- null7. a kind of steel ball is combined waste heat back-fire arrangement，It is characterized in that: described transmission belt (3.2) includes the symmetrically arranged chain mechanism of the right and left and the connecting plate being connected between chain structure，Above-mentioned chain structure includes end to end carrier bar (3.2.1)、End to end connection otic placode (3.2.3)、And it is connected to carrier bar (3.2.1) and the roller (3.2.2) connected between otic placode (3.2.3)，Described connecting plate includes the most spaced U-board (3.2.4) and L shaped plate (3.2.5)，The two ends, left and right of described U-board (3.2.4) and L shaped plate (3.2.5) are individually fixed on the connection otic placode (3.2.3) being positioned at the right and left，Described U-board (3.2.4) and L shaped plate (3.2.5) constitute a bucket type structure.
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| CN106702128B (en) * | 2016-12-27 | 2018-02-13 | 重庆市青蓝机械制造有限公司 | Shot tempering furnace |
| CN110423874B (en) * | 2019-08-28 | 2020-12-15 | 邯郸市天豪耐磨材料科技有限公司 | Cooling equipment applied to heat treatment of spherical materials |
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| UA28744U (en) * | 2007-07-02 | 2007-12-25 | Mykhailo Mykolaiovych Brykov | Method for threshing balls production |
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Denomination of invention: Steel ball composite waste heat tempering device Effective date of registration: 20230918 Granted publication date: 20161102 Pledgee: Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Huaxi Branch Pledgor: JIANGYIN HUAZHENG METAL TECHNOLOGY CO.,LTD. Registration number: Y2023980057148 |