CN203820858U - Steel ball composite waste heat tempering device - Google Patents

Steel ball composite waste heat tempering device Download PDF

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Publication number
CN203820858U
CN203820858U CN201420174784.5U CN201420174784U CN203820858U CN 203820858 U CN203820858 U CN 203820858U CN 201420174784 U CN201420174784 U CN 201420174784U CN 203820858 U CN203820858 U CN 203820858U
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China
Prior art keywords
steel ball
waste heat
lower floor
transport tape
tempering unit
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Withdrawn - After Issue
Application number
CN201420174784.5U
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Chinese (zh)
Inventor
倪建峰
顾建洪
顾福仪
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Jiangyin City Hua Zheng Metal Science And Technology Ltd
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Jiangyin City Hua Zheng Metal Science And Technology Ltd
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Priority to CN201420174784.5U priority Critical patent/CN203820858U/en
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Abstract

The utility model relates to a steel ball composite waste heat tempering device which comprises a double-layer tempering device (1), a steel ball strong convection cooling device (2), two high-temperature-resistant steel ball lifting conveyers (3) and a waste heat pipe system (4), wherein one high-temperature-resistant steel ball lifting conveyer (3) is positioned between the discharging end of the double-layer tempering device (1) and the feeding end of the steel ball strong convection cooling device (2), and the other high-temperature-resistant steel ball lifting conveyer (3) is positioned between the discharging end of the steel ball strong convection cooling device (2) and the feeding end of the double-layer tempering device (1). The steel ball composite waste heat tempering device is low in energy consumption and has a good tempering effect.

Description

The compound waste heat tempering unit of steel ball
Technical field
The utility model relates to a kind of tempering process, and the waste heat of the high-temperature flue gas producing when especially relating to the utilization of a kind of hot rolling steel ball and in earlier stage heating carries out the technique that tempering is heated, and belongs 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, and is substituting gradually casting ball, and hot rolling steel ball technique has following characteristics:
1, hot-rolled steel ball has the plurality of advantages of steel, and it after heat treatment becomes high-quality ball milling ball again by specific equipment roll forming;
2, production efficiency is high, production capacity is large, roll ball production mechanization, level of automation is high, there is no manually-operated production link, and employment is few, and interference from human factor is little;
3, energy consumption is low, pollution-free, labour intensity is low, production cost is lower;
4, inner quality is stable, and metallographic structure is fine and close, crystal grain is thin, not yielding, wear resisting property good, and impelling strength is up to 18-28J/CM2;
5, be shaped, roundness deviation is little, visual appearance is good;
6, than great, be greater than 7.85g/cm3;
7, ball hardness is high, can reach 62 ~ 65HRC, and inside and outside hardness is even, and difference of hardness is little; Wear rate is low, and long service life be 2 times of left and right of existing conventional cast steel ball, forged steel ball, and price is suitable;
Therefore, hot rolling steel ball product in all kinds of black and nonferrous metal mine dressing-works, the industry such as fuel-burning power plant, cement mill, refractory factory is used widely, and is subject to domestic and international client's consistent favorable comment;
At present, the general hot rolling ball milling steel ball of forging (rolling) steel ball ferrous metallurgy industry standard (YB/T 091-2005) professional production all size that adopts, steel ball size scope is Φ 20-Φ 150mm, it is the hot rolled circular steel rod of the relevant chemical element that contains customized configuration ratio that rolling ball milling steel ball adopts, and its diameter is close with steel ball nominal diameter; Conventional hot rolling steel ball main production flow process is as follows:
Step 1, steel mill's scale round steel bar, after check, cut into steel ball blank by specified length;
Step 2, the steel ball bar that cuts are first by being heated to suitable temperature in continuous furnace;
The bar of step 3, red heat state is admitted to after ball rolling mill, rotates between with the roll of special volution pass and advances, and be rolled into continuously steel ball at 2, and every ball rolling mill per minute can roll into 60-360 steel ball;
Red heat state steel ball after step 4, roll forming enters quench-tempering heat treatment of online equipment for Heating Processing at once, makes steel ball obtain very high and uniform hardness;
Step 5, the product through being up to the standards are sent to finished goods warehouse, after packing, mail to client;
But, through actual production, find, in the process of above-mentioned production hot rolling steel ball, have following distinct issues simultaneously: tempering process and equipment in step 4 exist more limitation, cause its power consumption high, after tempering, ball hardness loss is large, uniformity coefficient is poor, therefore needs improvement badly.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides the steel ball that a kind of energy consumption is low, tempering is effective compound waste heat tempering unit.
The purpose of this utility model is achieved in that the compound waste heat tempering unit of a kind of steel ball, described device includes double-deck tempering unit, 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, between discharge end at double-deck tempering unit and the feed end of steel ball strong convection cooling device, another is between the discharge end of steel ball strong convection cooling device and the feed end of double-deck tempering unit.
The upper layer bracket that described double-deck tempering unit includes lower floor support and is installed on lower floor support top, in described lower floor support and upper layer bracket, be horizontally installed with respectively lower floor's chain type transport tape and upper strata chain type transport tape, there is a waste heat guard system to be installed in above-mentioned lower floor support and upper layer bracket, described waste heat guard system includes waste heat input tube, upper strata waste heat Guan He lower floor waste heat pipe, one end of described waste heat input tube is connected with waste heat source, the other end is connected with upper strata waste heat Guan He lower floor waste heat pipe, described upper strata waste heat Guan He lower floor waste heat pipe is installed on respectively on upper layer bracket and lower floor support, and the waste heat Guan Shangjun of upper strata waste heat Guan He lower floor is horizontally connected with many arms, above-mentioned below that lays respectively at lower floor's chain type transport tape and upper strata chain type transport tape, on described arm, all have multiple tracks slit.
The compound waste heat tempering process of a kind of steel ball of the utility model, described upper layer bracket and lower floor support are enclosed construction, and the right-hand member of upper layer bracket and lower floor support and left end are provided with opening for feed and discharge port, and the discharge port place that is positioned at left end is provided with a tail gas petticoat pipe.
The compound waste heat tempering process of a kind of steel ball of the utility model, in above-mentioned steps two, adopt steel ball strong convection cooling device, described steel ball strong convection cooling device includes support, the transport tape of transportation steel ball to be cooled is installed in support, the two ends, left and right of described support are provided with import and export, the top of the front and back sidewall of described support is provided with sealing plate and carries out sealing, blast 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 with a blower fan by induced exhaust.
The compound waste heat tempering process of a kind of steel ball of the utility model, between above-mentioned steps one and step 2, between step 2 and step 3, all shifts conveying by high temperature resistant steel ball elevating conveyor to steel ball; Described high temperature resistant steel ball elevating conveyor includes the frame of oblique setting, in described frame, be provided with the transport tape along its oblique setting, above-mentioned transport tape is driven by the drive shaft that is positioned at the upper rack of oblique setting, and above-mentioned transport tape is provided support by the driven shaft that is positioned at the frame lower of oblique setting.
The compound waste heat tempering process of a kind of steel ball of the utility model, above-mentioned driven shaft is loaded on slider shaft holder by bearing housing, and this slider shaft holder is slidably connected in above-mentioned frame.
The compound waste heat tempering process of a kind of steel ball of the utility model, is fixed with the slide block being embedded in frame upper hopper chute on described slider shaft holder, and an adjusting screw(rod) one end is spun on this slider shaft holder, and the other end is spun on a retaining plate being fixed in frame.
The compound waste heat tempering process of a kind of steel ball of the utility model, described transport tape includes the symmetrically arranged chain mechanism of the right and left and is connected in the web plate between chain structure, above-mentioned chain structure includes end to end carrier bar, end to end connection otic placode and is connected in carrier bar and connects the roller between otic placode, described web plate includes spaced U-shaped plate and L shaped plate successively, the two ends, left and right of described U-shaped plate and L shaped plate are individually fixed on the connection otic placode that is positioned at the right and left, and described U-shaped plate and L shaped plate form a bucket type structure.
Compared with prior art, the beneficial effects of the utility model are:
The utility model coordinates double tempering technique to carry out temper to steel ball by double-deck tempering unit, steel ball strong convection cooling device, high temperature resistant steel ball elevating conveyor and waste heat guard system, and (double-deck tempering unit can carry out double tempering simultaneously, improved energy utilization rate, accelerated again tempering efficiency), thereby improved the metallographic structure of steel ball, the toughness that has improved again steel ball when having reduced ball hardness loss after tempering, contributes to enterprise to improve the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the assembly line equipment structure diagram of the compound waste heat tempering unit of the utility model steel ball.
Fig. 2 is the structure diagram of the waste heat guard system of the compound waste heat tempering unit of the utility model steel ball.
Fig. 3 is the local structure schematic diagram of chain type conveyor belt of the high temperature resistant steel ball elevating conveyor of the compound waste heat tempering unit of the utility model steel ball.
Fig. 4 is the local structure schematic diagram of chain mechanism of the high temperature resistant steel ball elevating conveyor of the compound waste heat tempering unit of the utility model steel ball.
Fig. 5 is the structural representation of bucket conveyor structure of the high temperature resistant steel ball elevating conveyor of the compound waste heat tempering unit of the utility model steel ball.
Wherein:
Double-deck tempering unit 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 transport tape 1.3, upper strata chain type transport tape 1.4;
Support 2.1, import and export 2.2, sealing plate 2.3, blast inlet 2.4, fan housing 2.5, induced exhaust 2.6;
Frame 3.1, transport tape 3.2, drive shaft 3.3, driven shaft 3.4, slider shaft holder 3.5, retaining plate 3.6, adjusting screw(rod) 3.7;
Carrier bar 3.2.1, roller 3.2.2, connection otic placode 3.2.3, U-shaped plate 3.2.4, L shaped plate 3.2.5;
Waste heat input tube 4.1, upper strata waste heat pipe 4.2, lower floor's waste heat pipe 4.3, arm 4.4, slit 4.5.
Embodiment
Referring to Fig. 1 ~ 5, the compound waste heat tempering unit of a kind of steel ball that the utility model relates to, described device includes double-deck tempering unit 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 discharge end at double-deck tempering unit 1 and the feed end of steel ball strong convection cooling device 2, between another discharge end at steel ball strong convection cooling device 2 and the feed end of double-deck tempering unit 1
The upper layer bracket 1.2 that described double-deck tempering unit 1 includes lower floor support 1.1 and is installed on lower floor support 1.1 tops, in described lower floor support 1.1 and upper layer bracket 1.2, be horizontally installed with respectively lower floor's chain type transport tape 1.3 and upper strata chain type transport tape 1.4, there is a waste heat guard system 4 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 tube 4.1, upper strata waste heat Guan4.2He lower floor waste heat pipe 4.3, one end of described waste heat input tube 4.1 be connected with waste heat source (as the high-temperature flue gas recovery tube in the front end round steel heating unit in this patent), the other end is connected with upper strata waste heat Guan4.2He lower floor waste heat pipe 4.3, described upper strata waste heat Guan4.2He lower floor waste heat pipe 4.3 is installed on respectively on upper layer bracket 1.2 and lower floor support 1.1, and be all horizontally connected with many arms 4.4 on upper strata waste heat Guan4.2He lower floor waste heat pipe 4.3, above-mentioned arm 4.4 lays respectively at the below of lower floor's chain type transport tape 1.3 and upper strata chain type transport tape 1.4, on described arm 4.4, all have a plurality of slits 4.5, thereby high-temperature flue gas is heated the steel ball of lower floor's chain type transport tape 1.3 and upper strata chain type transport tape 1.4 uniformly, upper layer bracket 1.2 and lower floor support 1.1 are enclosed construction simultaneously, only leave the opening for feed and the discharge port that are arranged at respectively right-hand member and left end, and the discharge port place that is positioned at left end is provided with a tail gas petticoat pipe, for to utilizing complete high-order flue gas to carry out centralized collection and discharge,
Described steel ball strong convection cooling device 2 includes support 2.1, the transport tape of transportation 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 imports and exports 2.2, the top of the front and back sidewall of described support 2.1 is provided with sealing plate 2.3 and seals, blast inlet 2.4 is formed at bottom---and preferred, this blast inlet 2.4 is positioned at the below of the transport tape of above-mentioned transportation 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 exhaust 2.6, above-mentioned steel ball strong convection cooling device 2 is when work, existence due to blower fan, make the interior negative pressure that forms of cavity of support 2.1, thereby the extraneous cold wind that is constantly enters in the cavity of support 2.1 from blast inlet 2.4, then after cooling to steel ball by induced exhaust 2.6 sucking-offs at top,
Described high temperature resistant steel ball elevating conveyor 3 includes the frame 3.1 of oblique setting, in described frame 3.1, be provided with the transport tape 3.2 along its oblique setting, described transport tape 3.2 includes the symmetrically arranged chain mechanism of the right and left and is connected in the web plate 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 be connected in carrier bar 3.2.1 and connect roller 3.2.2(between otic placode 3.2.3 concretely, adjacent carrier bar 3.2.1, between adjacent connection otic placode 3.2.3, by bearing pin, be hinged, simultaneously on the same suit of roller 3.2.2 and this bearing pin, and roller 3.2.2 is between carrier bar 3.2.1 and connection otic placode 3.2.3), described web plate includes spaced U-shaped plate 3.2.4 and L shaped plate 3.2.5 successively, the two ends, left and right of described U-shaped plate 3.2.4 and L shaped plate 3.2.5 are individually fixed on the connection otic placode 3.2.3 that is positioned at the right and left, described U-shaped plate 3.2.4 and L shaped plate 3.2.5 form a bucket type structure, thereby while making to propose material conveying, steel ball is unlikely to tumble (preferred, the diameter of steel ball is greater than the width of the base plate that forms L shaped plate 3.2.5)---the left and right sides of L shaped plate 3.2.5 also can vertically be provided with baffle plate, for promoting the steel ball that diameter is less, contribute to like this to improve the versatility of product,
Above-mentioned transport tape 3.2 is driven by the drive shaft 3.3 that is positioned at frame 3.1 tops of oblique setting that (this drive shaft 3.3 can be driven by motor or oil motor or other any driving mechanisms, all within the protection domain of this patent), simultaneously, above-mentioned transport tape 3.2 provides support driven and tension by the driven shaft 3.4 that is positioned at frame 3.1 bottoms of oblique setting, now, this driven shaft 3.4 is loaded on slider shaft holder 3.5 by bearing housing, this slider shaft holder 3.5 is slidably connected in above-mentioned frame 3.1, concretely, on this slider shaft holder 3.5, be fixed with the slide block being embedded in frame 3.1 upper hopper chutes, and adjusting screw(rod) 3.7 one end are spun on this slider shaft holder 3.5, the other end is spun on a retaining plate 3.6 being fixed in frame 3.1, thereby move along frame 3.1 is oblique by regulating this adjusting screw(rod) 3.7 to realize slider shaft holder 3.5, played the tension to transport tape 3.2,
Pass through said apparatus, realized the double tempering effect to steel ball, lower floor's chain type transport tape 1.3 that first steel ball enters in lower floor support 1.1 carries out a tempering, then by high temperature resistant steel ball elevating conveyor 3, being delivered to steel ball strong convection cooling device 2 carries out cooling, cooled steel ball is again promoted on the upper strata chain type transport tape 1.4 in the upper layer bracket 1.2 of double-deck tempering unit 1 and is carried out double tempering (utilizing 4 pairs of steel balls of waste heat guard system to heat during tempering operation) by high temperature resistant steel ball elevating conveyor 3, the metallographic structure that contributes to improve steel ball by double tempering, make it there is better toughness and best bulk strength, and can utilize waste heat to carry out temper to it, have positive energy-saving and emission-reduction benefit, the high-temperature tail gas of Ji Duiqian road technique is processed, again it has been carried out again utilizing, saved a large amount of heat energy, effectively reduce the production cost of enterprise,
In addition, it should be noted that above-mentioned embodiment is only a prioritization scheme of this patent; those skilled in the art is according to said apparatus; under the technology enlightenment of this patent, any change or the improvement done, all within the protection domain of this patent.

Claims (8)

1. the compound waste heat tempering unit of steel ball, it is characterized in that: described device includes double-deck tempering unit (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 is positioned between the discharge end of double-deck tempering unit (1) and the feed end of steel ball strong convection cooling device (2), and another is positioned between the discharge end of steel ball strong convection cooling device (2) and the feed end of double-deck tempering unit (1).
2. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 1, it is characterized in that: the upper layer bracket (1.2) that described double-deck tempering unit (1) includes lower floor support (1.1) and is installed on lower floor support (1.1) top, in described lower floor support (1.1) and upper layer bracket (1.2), be horizontally installed with respectively lower floor's chain type transport tape (1.3) and upper strata chain type transport tape (1.4), described 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 tube (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 tube (4.1) is connected with waste heat source, the other end is connected with lower floor's waste heat pipe (4.3) with upper strata waste heat pipe (4.2), described upper strata waste heat pipe (4.2) and lower floor's waste heat pipe (4.3) are installed on respectively on upper layer bracket (1.2) and lower floor support (1.1), and be all 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 the below of lower floor's chain type transport tape (1.3) and upper strata chain type transport tape (1.4), on described arm (4.4), all have multiple tracks slit (4.5).
3. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 2, it is characterized in that: described upper layer bracket (1.2) and lower floor support (1.1) are enclosed construction, and right-hand member and the left end of upper layer bracket (1.2) and lower floor support (1.1) are provided with opening for feed and discharge port, and the discharge port place that is positioned at left end is provided with a tail gas petticoat pipe.
4. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 1, it is characterized in that: described steel ball strong convection cooling device (2) includes support (2.1), the transport tape of transportation 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), the top of the front and back sidewall of described support (2.1) is provided with sealing plate (2.3) and seals, blast 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 exhaust (2.6).
5. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 1, it is characterized in that: described high temperature resistant steel ball elevating conveyor (3) includes the frame (3.1) of oblique setting, in described frame (3.1), be provided with the transport tape (3.2) along its oblique setting, above-mentioned transport tape (3.2) is driven by the drive shaft (3.3) that is positioned at frame (3.1) top of oblique setting, and above-mentioned transport tape (3.2) is provided support by the driven shaft (3.4) that is positioned at frame (3.1) bottom of oblique setting.
6. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 5, is characterized in that: it is upper that above-mentioned driven shaft (3.4) is loaded on slider shaft holder (3.5) by bearing housing, and this slider shaft holder (3.5) is slidably connected in above-mentioned frame (3.1).
7. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 6, 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 it is upper that an adjusting screw(rod) (3.7) one end is spun on this slider shaft holder (3.5), and the other end is spun on a retaining plate (3.6) being fixed in frame (3.1).
8. the compound waste heat tempering unit of a kind of steel ball as claimed in claim 5, it is characterized in that: described transport tape (3.2) includes the symmetrically arranged chain mechanism of the right and left and is connected in the web plate 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 be connected in carrier bar (3.2.1) and connect the roller (3.2.2) between otic placode (3.2.3), described web plate includes spaced U-shaped plate (3.2.4) and L shaped plate (3.2.5) successively, the two ends, left and right of described U-shaped plate (3.2.4) and L shaped plate (3.2.5) are individually fixed on the connection otic placode (3.2.3) that is positioned at the right and left, described U-shaped plate (3.2.4) and L shaped plate (3.2.5) form a bucket type structure.
CN201420174784.5U 2014-04-11 2014-04-11 Steel ball composite waste heat tempering device Withdrawn - After Issue CN203820858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420174784.5U CN203820858U (en) 2014-04-11 2014-04-11 Steel ball composite waste heat tempering device

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Application Number Priority Date Filing Date Title
CN201420174784.5U CN203820858U (en) 2014-04-11 2014-04-11 Steel ball composite waste heat tempering device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103966415A (en) * 2014-04-11 2014-08-06 江阴市华正金属科技有限公司 Compound steel ball tempering device by using waste heat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103966415A (en) * 2014-04-11 2014-08-06 江阴市华正金属科技有限公司 Compound steel ball tempering device by using waste heat
CN103966415B (en) * 2014-04-11 2016-11-02 江阴市华正金属科技有限公司 Steel ball is combined waste heat back-fire arrangement

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Granted publication date: 20140910

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