CN104550892B - It is applicable to the welding cinder ladle of copper ashes retarded cooling process - Google Patents
It is applicable to the welding cinder ladle of copper ashes retarded cooling process Download PDFInfo
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- CN104550892B CN104550892B CN201310476258.4A CN201310476258A CN104550892B CN 104550892 B CN104550892 B CN 104550892B CN 201310476258 A CN201310476258 A CN 201310476258A CN 104550892 B CN104550892 B CN 104550892B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
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Abstract
The present invention provides a kind of welding cinder ladle being applicable to copper ashes retarded cooling process, including being pressed into holistic inclusion, being welded on the bag end bottom inclusion and multiple tank pin being welded at bag the end, being provided with heat-dissipating space between adjacent two tank pin, the material of described inclusion, the bag end and tank pin is low-alloy high-strength sheet material.This welding cinder ladle in use inorganization changes, and is particularly well-suited to the slow cold treatment process of copper ashes, is greatly prolonged the service life of welding cinder ladle, thus reduces the cost that copper ashes reclaims.
Description
Technical field
The present invention relates to smelting industry cinder ladle in copper residues processing technique, particularly relate to one and be applicable to copper ashes retarded cooling process
Welding cinder ladle.
Background technology
Along with the day of China's copper ore resource is becoming tight, cupper smelting increasingly payes attention to the process of copper ashes.Process technique at copper ashes
In, cinder ladle is for transport liquid copper ashes, and cinder ladle is all casting cinder ladle.After cinder ladle loads liquid copper ashes, cinder ladle heats up very
Hurry up, measured draw: after loading liquid copper ashes, the temperature of cinder ladle is increased to about 600 DEG C；Again by copper ashes trickle with quickly cooling.
In above process, cinder ladle to stand the coldest very hot temperature changing process, and due to the limitation of casting technique, foundry slag inclusion amasss
The biggest, its casting difficulty is the biggest, cold shut, scab, shrinkage cavity, the defect such as loose the most easily occurs, particularly strengthens at gudgeon
Gusset and the junction of inclusion 1, inclusion 1 and the junction etc. of tank pin 2, as it is shown in figure 1, due to the position of these junctions
Special, thickness is big, and in casting process, Liquid-metal flow is poor, and cooling velocity is unequal, it is easier to cause loose, shrinkage cavity etc.
Casting flaw, and then cause the most cracking.Furthermore, the weldability of cast steel is not good enough, therefore casting cinder ladle once goes out
Now ftractureing, repair difficulty, after repairing the most specifically, next time still ftractures herein, and crackle easily extends, repeated multiple times
After, cinder ladle causes through check, causes cannot repairing again and scrapping, thus cause cinder ladle short for service life, make at copper ashes
The cost of reason is high.
It addition, in the fabrication process, gudgeon 9 is that castingin is fixed on inclusion 1, sees Fig. 2, gudgeon dimensional tolerance after castingin
It is difficult to ensure that, needs secondary operations gudgeon 9, thus reduce production efficiency, increase production cost.
At present, the present situation of China's foundry industry is: foundry often produces 1 ton of foundry goods, about distributes the dust of 50 kilograms, melting and
The cast waste residue that discharged of operation is 200 kilograms, waste gas is 20 cubic metres, moulding and about 0.75 ton of waste discharge sand of cleaning.With year
Produce 22,000,000 tons foundry goods statistics draw, annual total amount of pollutants discharged is: 4,400,000 tons of waste residue, antiquated sand 16,500,000 tons, waste gas 4
Billion cubic meter, these data be enough to foundry production serious environment pollution.In terms of energy consumption, country is with the GDP energy of every ten thousand yuan
Consumption is as index, and ten thousand yuan of GDP energy consumptions of whole machine-building department are 0.18tce/ ten thousand yuan, and foundry industry is about 0.8tce/ ten thousand yuan,
Foundry industry energy consumption is 4.4 times of machinery industry.
To sum up, there is maintenance rate height in the casting cinder ladle used in traditional copper residues processing technique, service life is short, its production is serious dirty
The defects such as dye environment, energy consumption are high.
Summary of the invention
The shortcoming of prior art in view of the above, the copper ashes that is applicable to that it is an object of the invention to provide length in a kind of service life delays
The welding cinder ladle of cold technique.
For achieving the above object, the present invention provides a kind of welding cinder ladle being applicable to copper ashes retarded cooling process, integral including suppressing
Inclusion, be welded on bottom inclusion bag the end and multiple be welded on bag the end bottom tank pin, be provided with between adjacent two tank pin
Heat-dissipating space, the material of described inclusion, the bag end and tank pin is low-alloy high-strength sheet material.
Preferably, the outward flange of described inclusion upper end is provided with multiple downward and outward-dipping overfall.
Further, the outer peripheral face of described inclusion is welded with ring, middle ring and lower ring the most successively, outside described inclusion
Also being welded with multiple longitudinal gusset on wall, the material of described upper ring, middle ring, lower ring and longitudinal gusset is low-alloy high-strength
Sheet material.
Preferably, described inclusion both sides are all welded with a trunnion plate, are fixed with a gudgeon in described trunnion plate.
Further, described gudgeon is located in sleeve, and gudgeon is key connecting with sleeve pipe, between described trunnion plate and inclusion
Being additionally provided with gusset and lower web plate, described upper gusset and lower web plate lay respectively at the both sides up and down of sleeve pipe.
Further, between described trunnion plate and inclusion, be provided with upper plate, left plate, lower plate, right panel, described upper plate, left plate, under
Plate, right panel are uniformly distributed along the circumference of gudgeon.
Preferably, described trunnion plate tilts near the direction of inclusion, and described trunnion plate is 3 °～5 ° with the angle α of vertical plane.
Further, being provided with a gudgeon stiffening plate inside described trunnion plate, described gudgeon penetrates trunnion plate and gudgeon stiffening plate successively
In, and gudgeon and trunnion plate, gudgeon stiffening plate be key connecting, described trunnion plate both sides are provided with the side seal board being connected with inclusion.
Preferably, described trunnion plate outer surface being additionally provided with pressing plate, described gudgeon is located in pressing plate, and pressing plate passes through with trunnion plate
Multiple fixing bolts are connected.
Further, the outer side-lower of described overfall is provided with the water tank being connected with overfall, and the lower end of this water tank is provided with
Distributive pipe, described distributive pipe is provided with multiple conduction hole, described middle ring upper surface is additionally provided with a water collection sheet near the side of inclusion,
Formed between water collection sheet and inclusion and also be provided with conduction hole on a water leg, described middle ring and lower ring, described inclusion outer wall is additionally provided with
The one point water plate between middle ring and lower ring, is provided with drainage gap between described point of water plate and inclusion.
As it has been described above, the welding cinder ladle being applicable to copper ashes retarded cooling process that the present invention relates to, have the advantages that
This welding cinder ladle uses low-alloy high-strength steel plate manufacture, has that intensity is high, the most easy to crack, REPAIR WELDING performance is good, a dimension
Expense of protecting is low, manufacturing schedule is short, strong adaptability, easily manufactured, the saving remarkable advantage such as material, length in service life, the suitableeest
For the slow cold treatment process of copper ashes, thus reduce the cost that copper ashes reclaims；This welding cinder ladle substitutes casting cinder ladle, can avoid
Discharge a large amount of dust, waste residue, waste gas, the antiquated sand pollution to surrounding environment during casting cinder ladle, there is huge social benefit；Keep away
Exempt to cast the huge energy resource consumption that cinder ladle steel-smelting water causes, save the energy, meet the industrial policy that national energy-saving reduces discharging.
Accompanying drawing explanation
Fig. 1 is the structural representation of cinder ladle in prior art.
Fig. 2 is inclusion and the connection diagram of gudgeon in Fig. 1.
Fig. 3 is the process chart that in the present invention, copper ashes delays cold treatment process.
Fig. 4 is the structural representation of cinder ladle in the present invention.
Fig. 5 is the front view of Fig. 4.
Fig. 6 is the side view of Fig. 5.
Fig. 7 is the upward view of Fig. 5.
Fig. 8 is the connection diagram of the gudgeon in the embodiment of the present invention one and trunnion plate.
Fig. 9 is trunnion plate and the connection diagram of inclusion in Fig. 5.
Figure 10 is the connection diagram of the gudgeon in the embodiment of the present invention two and trunnion plate.
Figure 11 is that the A-A of Figure 10 is to sectional view.
Figure 12 is that the B-B of Figure 10 is to sectional view.
Figure 13 is the sectional view of trunnion plate in the present invention.
Figure 14 is welding cinder ladle temperature changing curve diagram.
Figure 15 is cooling system and the structural representation welding cinder ladle in the present invention.
Figure 16 is that the C of Figure 15 encloses enlarged drawing.
Figure 17 is that in the present invention, cinder ladle is the structural representation of rollover conditions.
Figure 18 is the sectional view welding cinder ladle in Figure 15.
Figure 19 is that the D of Figure 18 encloses enlarged drawing.
Figure 20 is that the E of Figure 18 encloses enlarged drawing.
Figure 21 is the connection diagram of the gudgeon in the embodiment of the present invention three and trunnion plate.
Figure 22 is that the F-F of Figure 21 is to sectional view.
Figure 23 is that the G-G of Figure 21 is to sectional view.
Element numbers explanation
1 inclusion
101 overfalls
2 tank pin
3 heat-dissipating spaces
Ring on 4
Ring in 5
6 times rings
7 longitudinal gussets
8 trunnion plate
9 gudgeons
10 sleeve pipes
Gusset on 11
12 lower web plates
13 upper plates
14 left plate
15 lower plates
16 right panels
17 keys
18 gudgeon gussets
20 water tanks
21 distributive pipes
22 bases
221 collecting gutters
23 cooling house stewards
24 cooling arms
25 filtering baffle
26 filter bores
27 pipeline connectors
28 water collection sheets
29 water legs
30 conduction holes
31 gudgeon stiffening plates
32 side seal boards
33 pressing plates
34 fix bolt
35 points of water plates
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate disclosed in specification
Content, understands for those skilled in the art and reads, being not limited to the enforceable qualifications of the present invention, therefore do not have
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not affecting institute of the present invention energy
Under the effect produced and the purpose that can reach, all should still fall in the range of disclosed technology contents obtains and can contain.
Meanwhile, in this specification cited as " on ", D score, "left", "right", the term of " middle " and " " etc., be merely convenient to
Understanding of narration, and it is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, changing without essence
Under technology contents, when being also considered as the enforceable category of the present invention.
The present invention provides a kind of welding cinder ladle being applicable to copper ashes retarded cooling process, to extend the service life of cinder ladle, reduces copper ashes
Processing cost.As shown in Figure 4, this welding cinder ladle include being pressed into holistic inclusion 1, be welded at the bottom of the bag bottom inclusion 1,
And the multiple tank pin 2 being welded on, inclusion 1 forms a cavity volume with the bag end, is used for holding liquid copper ashes, and adjacent two. at bag the end
Being provided with heat-dissipating space 3 between individual tank pin 2, in order to inclusion 1 bottom heat radiation, the material of described inclusion 1, the bag end and tank pin 2 is equal
For low-alloy high-strength sheet material.Preferably, described tank pin 2 is 4, is evenly distributed on bottom inclusion 1, as it is shown in fig. 7,
And in the present embodiment, bottom described inclusion 1, it is provided with the first ventilation slot, and bag end gusset offers the second ventilation slot, described the
One ventilation slot and the second ventilation slot are connected, and the gap between the first ventilation slot, the second ventilation slot and adjacent two tank pin 2
Collectively form described heat-dissipating space 3.
Further, see Fig. 4 and Fig. 5, the outer peripheral face of described inclusion 1 is welded with ring 4, middle ring 5 and the most successively
Lower ring 6, the outer wall of described inclusion 1 is also welded with multiple longitudinal gusset 7, described upper ring 4, middle ring 5, lower ring 6 and vertical
Material to gusset 7 is low-alloy high-strength sheet material.Inclusion 1 outer wall welds ring 4, middle ring 5, lower ring 6 and indulges
To gusset 7, it is effectively improved the weld strength of this cinder ladle, and adds the contact area of cinder ladle and air, improve the heat radiation of cinder ladle
The cooling of efficiency, beneficially cinder ladle and copper ashes.It addition, the quantity of described upper ring 4, middle ring 5, lower ring 6 can be according to cinder ladle volume
Size and load copper ashes amount number delete.
In this welding cinder ladle, tank pin 2 is arranged on bottom inclusion 1, the slab that tank pin 2 uses thickness to be about 60mm, and
And constitute all of ring (upper ring 4, middle ring 5, lower ring 6) of this welding cinder ladle, plate (the bag end, longitudinal gusset 7), tank pin
Between be all connected with each other, form the cinder ladle of a totally-enclosed network, not only make tank pin 2 and inclusion 1, tank pin 2 and ground
Contact area increase, and due to whole cinder ladle formed network, cinder ladle resistance to deformation intensity, tank pin 2 support strength are significantly
Improve, be prevented effectively from tank pin 2 and the possibility of weld cracking occurs because contact area is little, and make cinder ladle entirety non-deformability
Increase substantially.It addition, during copper ashes slow cooling processes, the butt welding slag bag whole process from slag to deslagging is carried out
Temperature survey, its temperature variation curve as shown in figure 14, therefore deduces that: when slag, and the heat of copper ashes makes through heat transfer
Welding cinder ladle is brought rapidly up, and the temperature of welding cinder ladle is increased to about 600 DEG C, and the temperature welding cinder ladle afterwards the most slowly declines.
It is about 900 DEG C because of the critical value of the phase transition temperature (by solid phase to liquid phase) of low-alloy high-strength sheet material again, so welding cinder ladle
In use inorganization change, is particularly well-suited to the slow cold treatment process of copper ashes, is greatly prolonged the service life of welding cinder ladle.
Preferably, see that Fig. 4 and Fig. 5, the outward flange of described inclusion 1 upper end are provided with multiple downward and outward-dipping overfall
101, in the present embodiment, described inclusion 1 is that a cross section becomes big cone tank the most successively, described overfall 101 upper
End is less than the end face of inclusion 1.The cooling water corrosion overflowed after spray due to copper ashes is relatively strong, therefore by multiple overfalls 101
To be directed to the place away from welding cinder ladle outer wall with mordant cooling water, coolant will not flow on inclusion 1, with protection
The inclusion 1 of welding cinder ladle is not corroded by corrosivity cooling water, effectively prevent the because of metal of inclusion 1 outer wall to be cooled corrosion and
Come off in a large number, to improve the service life of cinder ladle.
Further, when the corrosivity of cooling water is more weak or has special circumstances, as user needs to accelerate cinder ladle turnaround speed, then originally
Invention further relates to a kind of cooling system for shortening cinder ladle cool time, sees Figure 15 and Figure 16, and this cooling system includes being positioned at
The outer side-lower of overfall 101 and the water tank 20 being connected with overfall 101, the lower end of this water tank 20 is provided with a point water
Pipe 21, described distributive pipe 21 is provided with the conduction hole of multiple a diameter of 10mm near the side of inclusion 1.When spray, slow cooling
Cooling device include one for place welding cinder ladle base 22, base 22 is provided with cooling house steward 23, described cooling
The end of house steward 23 is provided with one and is positioned at directly over welding cinder ladle, for the cooling arm 24 toward welding cinder ladle water spray, the described end
Collecting gutter 221 it is additionally provided with on seat 22, depending on the number of cooling arm 24 should be according to the quantity of welding cinder ladle, cooling arm 24
Press water is from cooling house steward 23, and the water yield of cooling house steward 23 is controlled by the cooling device of slow cooling field, when spraying cooling,
In cooling arm 24, the flow of press water is 3m3/h.During spraying cooling, cooling water flows out from the overfall 101 of cinder ladle, and converges
Collection flows in water tank 20, and the cooling water in water tank 20 is flowed down along inclusion 1 outer wall by multiple conduction holes of distributive pipe 21,
And then cool down cinder ladle and copper ashes.Draw according to statistics: use after cooling system, the copper ashes in cinder ladle from be cooled to can with deslagging time
Between be about 50 hours, cool time effectively shortens, improve cinder ladle week transfer efficient；If not using cooling system, then the copper in cinder ladle
Slag can be about 60 hours with the time of deslagging from being cooled to.It addition, cooling water is pooled to base 22 after flowing down along cinder ladle outer wall
In collecting gutter 221, in order to focus on cooling water, reduce the pollution to environment.
Preferably, the outer end of described overfall 101 is provided with a filtering baffle 25, sees Figure 18 and Figure 19, described filtering baffle 25
Being provided with the filter bores 26 of the three a diameter of 10mm of row, described overfall 101 is connected by filter bores 26 with water tank 20.
Generally, cooling water is limpider, and after placing filtering baffle 25, it can stop bigger clinker on rare occasion, anti-
Only distributive pipe 21 blocks.And in the present embodiment, described distributive pipe 21 has multistage, and the distributive pipe 21 of adjacent two sections is by pipeline even
Connect device 27 to be connected, and then be easily installed and dredge.Described overfall 101 is four, lays respectively at the both sides of two gudgeons 9,
And the angle between overfall 101 and gudgeon 9 center line is 45 °, the size of overfall 101 is: wide 140mm, high 40mm.
Further, when inclusion 1 outer wall is provided with upper ring 4, middle ring 5 and lower ring 6, see Figure 18 and Figure 20, described middle ring 5
It is additionally provided with a water collection sheet 28 on upper surface, between water collection sheet 28 and inclusion 1, forms a water leg 29, described middle ring 5 and lower ring
Conduction hole 30 it is equipped with on 6.Cooling water, after the conduction hole 30 of distributive pipe 21 flows down along cinder ladle outer wall, is pooled to water collection sheet 28
And in the water leg 29 between inclusion 1, about about 150mm below water leg 29, it is provided with one and is fixed on inclusion 1 outer wall
Dividing water plate 35, this point of water plate 35 lower end to tilt near the direction of inclusion 1, water leg 29 and a point water plate 35 stay 150mm sky
Between, convenient later to dividing a water plate 35 to clear up, in the water warp in water leg 29, the conduction hole 30 on ring 5, flows into a point water plate
In 35 cavity volumes surrounded with inclusion 1, cooling water along bottom point water plate 35 with the drainage gap of inclusion 1 equably along outside inclusion 1
Wall flows down, then is flowed in the collecting gutter 221 on base 22 along inclusion 1 outer wall by the conduction hole 30 on lower ring 6.
Further, as shown in Figure 4 and Figure 6, described inclusion 1 both sides are all welded with a trunnion plate 8, and described trunnion plate 8
It is preferably welded between ring 4 and middle ring 5, and trunnion plate 8 is fixed with a gudgeon 9, can be by this welding by gudgeon 9
Cinder ladle matches with the fork watt of U-shaped cinder ladle car.In the present embodiment, described trunnion plate 8 tilts near the direction of inclusion 1, as
Shown in Fig. 8 and Fig. 9, described trunnion plate 8 is 3 °～5 ° with the angle α of vertical plane, it addition, as shown in figure 13, and described gudgeon
The cross section of plate 8 is an angled section, from the point of view of shown in Fig. 5, Fig. 6, and the equal chamfering in both sides before and after trunnion plate 8, from
And make gudgeon 9 bottom, the retention space of gudgeon 9 both sides becomes big, in order to cinder ladle and the connection of U-shaped cinder ladle car, make cinder ladle fit
Answer the bending fork fortune of 90 degree of cinder ladle car, use convenient, improve fork bag efficiency.In the present embodiment, described trunnion plate 8 both sides
The size of chamfering is: horizontal direction chamfering about 100mm, gudgeon thickness of slab direction about 20mm.
In the present invention, the fixed form of described gudgeon 9 has three kinds, embodiment one: as shown in Figure 8, and described gudgeon 9 is located in
In sleeve 10, and gudgeon 9 is key connecting with sleeve pipe 10, be additionally provided with between described trunnion plate 8 and inclusion 1 gusset 11 and
Lower web plate 12, described upper gusset 11 and lower web plate 12 lay respectively at the both sides up and down of sleeve pipe 10, it is preferable that described sleeve pipe 10
Weld with trunnion plate 8, described upper gusset 11 periphery and lower web plate 12 periphery all with upper ring 4, inclusion 1, trunnion plate 8, sleeve pipe
10 welding, after lower web plate 12 welds with sleeve pipe 10, key 17 can not slide downward, the fixed structure making gudgeon 9 is more stable,
Eliminate because gudgeon 9 loosens the potential safety hazard brought.During installation, centering of first gudgeon 9 being rule, determine above-below direction, then by key
In 17 key 17 grooves loading gudgeon 9, sleeve pipe 10 is pressed on gudgeon 9, by key 17, gudgeon 9 and sleeve pipe 10 is fixed as
One is overall.Again the black box of composition described in key 17, gudgeon 9, sleeve pipe 10 is set with trunnion plate 8, will sleeve pipe 10 and
Trunnion plate 8 welds, upper ring 4, middle ring 5, upper gusset 11 and lower web plate 12 is welded in this black box, constitutes an ear
Axle bed assembly, then trunnion base assembly is welded with inclusion 1.
Embodiment two, is shown in Figure 10 to Figure 12, be provided with between described trunnion plate 8 and inclusion 1 upper plate 13, left plate 14, lower plate 15,
Right panel 16, described upper plate 13, left plate 14, lower plate 15, right panel 16 be uniformly distributed along the circumference of gudgeon 9, described upper plate 13,
Left plate 14, lower plate 15, the periphery of right panel 16 are all welded with inclusion 1, gudgeon 9, trunnion plate 8 phase.During installation, first at gudgeon
On the outer circumference surface of 9, Milling Process goes out mutually perpendicular four planes, and gudgeon 9 is drawn center line, by gudgeon 9 and trunnion plate 8
It is assembled together, then upper plate 13, left plate 14, lower plate 15, right panel 16 are stuck in that gudgeon 9 outer peripheral face is milled out four
In individual plane, and upper ring 4, middle ring 5, upper plate 13, left plate 14, lower plate 15, right panel 16 are welded with trunnion plate 8 respectively,
Thus constitute trunnion base assembly, then this trunnion base assembly is welded with inclusion 1.
Embodiment three, is shown in Figure 21 to Figure 23, is provided with a gudgeon stiffening plate 31 inside described trunnion plate 8, and described gudgeon 9 is successively
Penetrate in trunnion plate 8 and gudgeon stiffening plate 31, and gudgeon 9 is key connecting with trunnion plate 8, gudgeon stiffening plate 31, this enforcement
In example, described gudgeon 9 is connected by key 17 with gudgeon stiffening plate 31 with trunnion plate 8, gudgeon 9, described trunnion plate 8 liang
Side is provided with the side seal board 32 being connected with inclusion 1, to guarantee to weld the requirement of strength of cinder ladle essential elements.Preferably, described
Being additionally provided with pressing plate 33 on trunnion plate 8 outer surface, described gudgeon 9 is located in pressing plate 33, and pressing plate 33 and trunnion plate 8 are by many
Individual fixing bolt 34 is connected.Owing to gudgeon 9 uses key connecting to fix with pressing plate 33, when the face of cylinder, gudgeon 9 the latter half is ground
After damage, needing to pull down gudgeon 9, turn-over is installed and used.During installation, first processing gudgeon 9, the finishing of gudgeon 9 size puts in place,
Keyseat, reprocesses key 17；Slightly add trunnion plate 8 and the centre bore of gudgeon stiffening plate 31, then by trunnion plate 8 and gudgeon reinforcement
Plate 31 is welded as a whole with each part of upper ring 4, middle ring 5, finishes centre bore, and horizontal direction symmetry splines,
Processing trunnion plate 8 bolt hole；Each size of finishing pressing plate 33, loads in the keyway of gudgeon 9, horizontal aligument ear by key 17
The keyway of any side of axillare 8, is pressed into gudgeon 9 in the centre bore of trunnion plate 8 and gudgeon stiffening plate 31, constitutes a gudgeon 9
Holder assembly；Again by assembly welding after gudgeon 9 holder assembly and inclusion 1 centering, then with fixing bolt 34, pressing plate 33 is fixed on gudgeon
On plate 8；The upper side seal board 32 of welding again.It addition, it is equal with in the centre bore of pressing plate 33 in the centre bore of described gudgeon stiffening plate 31
It is provided with positioning step, the displacement that constraint gudgeon 9 is inside, outside gudgeon 9, is provided with the shaft shoulder, rely on pressing plate 33 axially to position,
The displacement that constraint gudgeon 9 is outside.
Further, in order to increase the structural strength of trunnion base assembly, it is additionally provided with gudgeon gusset 18, institute in the lower section of trunnion plate 8
The both sides up and down stating gudgeon gusset 18 are welded with middle ring 5, lower ring 6 phase respectively, and the inner side of gudgeon gusset 18 is welded with inclusion 1,
See Fig. 4 and Fig. 5.
In the present invention, trunnion base assembly first carrying out assembly welding, then it is welded with inclusion 1, its production efficiency increases substantially,
Save substantial amounts of finishing processing charges, and without secondary operations after gudgeon 9 has assembled, and also can avoid at inclusion 1
The processing capacity of upper processing gudgeon fixing hole, saves a large amount of processing charges processing gudgeon fixing hole on inclusion 1, also overcomes gudgeon
In mosaic mode, gudgeon 9 wants a difficult problem for secondary operations.It addition, this welding cinder ladle is all welded by low-alloy high-strength sheet material,
Easy to assembly, production efficiency is high, it is easy to tissue batch production.Preferably, described low-alloy high-strength sheet material is Q345.
This welding cinder ladle is particularly well-suited to copper ashes and delays cold treatment process, includes successively as it is shown on figure 3, this copper ashes delays cold treatment process
Following steps:
A, slag: cinder ladle is transported and under stove, connects liquid copper ashes；
B, air cooling: by cinder ladle transport to outdoor, allow copper ashes and cinder ladle cool down in atmosphere, and make the temperature of copper ashes in cinder ladle
It is slowly drop down to 1000 DEG C from 1250 DEG C；
C, spray: copper ashes and cinder ladle are carried out trickle cooling；
D, deslagging: when the temperature of cinder ladle outer wall is less than 50 DEG C, the copper ashes in cinder ladle is outwelled；
E, broken: copper ashes is crushed；
F, ball milling: the copper ashes after broken is carried out ball milling and classification, obtains thick ground-slag and qualified fine slag powder；
G, flotation: qualified fine slag powder is carried out flotation, obtains powdered copper concentrate；
H, magnetic separation: the mine tailing after flotation is carried out magnetic separation, obtains Iron concentrate.
This copper ashes delays in cold treatment process, allows liquid copper ashes abundant Slow cooling in atmosphere, and air cooling time controls at 10 hours left
Sulphided state or the cohesion of metallic state copper particle and grow up in the right side, beneficially liquid copper ashes, and then be easy to follow-up ore grinding and separate and floating
Choosing separates, the final rate of recovery improving copper.
Further, during slag, liquid copper ashes is directly in cinder ladle, and it is very serious to washing away bottom cinder ladle, and then
Cause cinder ladle bottom temp to steeply rise, thus cause cinder ladle deformation of bottom or cracking, affect service life and use safety.Therefore
In order to solve the problems referred to above, first carry out padding slag before slag, i.e. before carrying out described step A, first bottom cinder ladle, pad copper ashes.
There is no moisture inside cinder ladle to be ensured before pad slag, in the case of confirming that cinder ladle is for being dried, use loading machine or other equipment toward slag
Padding copper ashes bottom bag, and the copper ashes that pad is used by slag also must not contain any moisture, copper ashes granularity is 100～200mm, pad slag
Thickness is generally 300～500mm.The most directly washed away by liquid copper ashes bottom slag again after pad slag, effectively protection cinder ladle, from
And improve the service life of cinder ladle, also improve the safety coefficient of work.It addition, when running into raindrop, need to pad red slag, red slag
Temperature is between 500 DEG C～1000 DEG C, so that cinder ladle inwall remains dry, it is ensured that slag safety.
In the present embodiment, when slag, use cinder ladle car to be transported under stove by cinder ladle fork, and slag must not connect the fullest, liquid copper ashes
Distance to cinder ladle bead cannot be less than 200mm；After slag, the liquid level of copper ashes in palpus inspection cinder ladle, after liquid level starts crust
Just can transport cinder ladle, with guarantee transport time liquid copper ashes liquid copper ashes will be made to flow out because cinder ladle rocks, it is to avoid burn out cinder ladle car,
The even generation of the problem such as crisis staff personal safety.Preferably, described step B completes in slow cooling field, passes through slag
Hired car will be loaded with the cinder ladle fork of liquid copper ashes and transports to slow cooling field, cooling about 10 hours in atmosphere, makes the temperature of copper ashes in cinder ladle
Spend from 1250 DEG C be slowly drop down to 1000 DEG C after, the phase transition temperature of copper ashes is 1000 DEG C～1250 DEG C, so allowing liquid copper ashes exist
Slowly it is sufficiently cool in air and in its transition temperature range, most beneficial for sulphided state in copper ashes or metallic state copper particle
The fully solidifying growth of knot is grown up, the final rate of recovery improving copper.After air cooling, be then turned on sprinkling valve, make copper ashes trickle cooling 50～
About 65 hours, the water overflowed in cinder ladle was used by water spray system cooling Posterior circle, to reduce the cost that copper ashes processes, saves
The energy；It addition, the time of trickle cooling should according to the version of specifically used welding cinder ladle is different difference.
Further, owing to the present invention uses U-shaped cinder ladle fork to muck haulage bag, it can reduce copper ashes processing cost by a relatively large margin, carry
High operating efficiency；And when using U-shaped cinder ladle car deslagging, as shown in figure 17, its movement travel is little, turns over cornerite degree less, about
Copper ashes in cinder ladle can be outwelled for 115 °.When bag mucked haulage by fork, the initial station of the U-shaped mechanism of cinder ladle car is wanted than cinder ladle gudgeon
Low, so when U-shaped cinder ladle car travels backward, so that it may the gudgeon of cinder ladle is directly attached on the forked standard of U-shaped operating mechanism, cinder ladle
The support cylinder of car rises, so that it may transported by cinder ladle easily.Due to only by support oil cylinder jacking about 600mm during transport, so
After by safe strut support under, so support oil cylinder can no longer bear lotus in transit, i.e. without knapsack, therefore eliminate use
Other types equipment carries out the operating cost of knapsack or handling, has the highest cost performance and efficiency.
Preferably, in described step E, copper ashes is carried out three grades and crushes, be followed successively by: the one-level completed by common disintegrating machine is broken,
The crocodile formula completed by alligator bevel-type that is broken and that completed by gyratory crusher crushes, so that slag particle is thinner evenly, it is simple to
Follow-up ball-milling treatment.When ball milling, the copper ashes particle after broken is ground through bucket elevator entrance ball mill, grinds
After material be re-fed into powder concentrator and carry out classification, it is achieved the separation of thickness ground-slag, qualified fine slag powder collected by collector, and thick
Ground-slag is discharged by powder concentrator lower end and is re-grind in conveying worm returns ball mill, forms a closed loop, until copper
Slag all ball millings become qualified fine slag powder.In the present embodiment, copper ashes divides two-stage fine grinding, and granularity, at 200～400 mesh, is beneficial to follow-up
Flotation in improve the rate of recovery of copper.
Further, when carrying out step G, fine slag powder is roughly selected, selected, scan three sections of flotation, pass through magnetic the most again
Iron concentrate has been selected to reclaim.Drawing through measuring, after using above-mentioned steps to process copper ashes, the rate of recovery of copper is up to 92%, in mine tailing
Copper content below 0.2%, the rate of recovery of copper is remarkably enhanced.
It addition, copper ashes cupric is based on 0.35%, mine tailing cupric is based on 0.20%, and whole nation year process copper ashes is based on 11,000,000 tons, then
Adding up after the process technique of the employing present invention and welding cinder ladle and draw, the quality that can reclaim copper every year is more:
11000000 tons of * 0.35-0.20/100=1.65 ten thousand tons
Based on copper valency 5.8 ten thousand/ton per ton, then the value of annual many recovery copper is:
1.65 ten thousand ton of * 5.8 ten thousand/ton=9.57 hundred million yuan
It addition, the present invention to configure domestic U-shaped cinder ladle car cost performance high: copper smelting-furnace workshop, the width in workshop and clear height, have
The feature of compact in design, owing to U-shaped cinder ladle car has operation, center of gravity is low, operate steadily, radius of turn is little, fortune tank height is low
Feature, is particularly suitable for the operating modes such as copper ashes ring awkward silence at a meeting cinder ladle quantity is many, cinder ladle arrangement is intensive, turnover space, cinder ladle stockyard is little, configuration
Domestic U-shaped cinder ladle car is entirely capable of meeting needs, and price is less than 4 one-tenth of import U-shaped cinder ladle car, has obvious price excellent
Gesture, simultaneously in terms of vehicle maintenance, overcomes accessory and purchases the disadvantage of cycle length, price, advantageously ensure that production direct motion.
As a example by certain medium-sized cupper smelting, configure 4 U-shaped cinder ladle cars, production needs, single cinder ladle car can be met, save equipment
Meteorological 25,000,000 yuan.
Meanwhile, the welding cinder ladle adapting to copper ashes slow cooling especially of the configuration present invention significantly improves cinder ladle service efficiency and has huge
Social benefit.As a example by a medium-sized cupper smelting, using 12 cubes of cinder ladles, 300 can meet copper ashes slow cooling and process need
Want.Use the welding cinder ladle of the present invention, service life more than 50% can be improved than casting cinder ladle, cast purchasing of cinder ladle the most every year
Expense of putting is for (300*30)/5=1,800 ten thousand yuan, and annual casting cinder ladle maintenance cost is 2*3,00=,600 ten thousand yuan；And every year this
The acquisition expenses of bright welding cinder ladle is (300*38)/7=1,628 ten thousand yuan, and annual welding cinder ladle maintenance cost is 0.5*300=150
Wan Yuan, then use the welding cinder ladle of the present invention, and annual operating cost relatively casts cinder ladle to be reduced: (1800+600)-(1628+150)
=622 ten thousand yuan.
The welding cinder ladle using the present invention substitutes casting cinder ladle, it is to avoid the energy resource consumption that casting secondary smelting brings, and casts cinder ladle
The energy consumption of material per ton is 0.8tce, and often the energy resource consumption of set casting cinder ladle is 20tce, the cinder ladle needed with medium-sized cupper smelting
Quantity calculates, and casting 300 energy consumed is 6000tce, causes the huge consumption to national energy, to the powder around discharged
Dirt reaches 50*25*300=375000Kg；Form waste residue 200*25*300=1500000Kg；Discharge waste gas
20*25*300=150000m3, therefore the welding cinder ladle of the present invention substitutes casting cinder ladle economic benefit and social benefit is huge.
Further, in the technological process of the present invention, pad slag operation, pad the control of red slag, by the welding slag of the present invention that adequately protects
The bag bag end washing away from high temperature copper ashes, it is to avoid cinder ladle inwall be full of cracks and Material degradation in early days, gives full play to the welding slag of the present invention
Bag Material Strength does to obtain advantage, improves the service life of welding cinder ladle.And ensure that production process is without the accident of blowing out, it is ensured that produce peace
Entirely.
Shown in sum up, the copper ashes that the present invention relates to delays cold treatment process can increase substantially the organic efficiency of copper, is made when slag
Welding cinder ladle use one barrel of structure on earth and use after the structure of inclusion 1 bottom welding tank pin 2, make welding cinder ladle
Quality, service life is obtained for and is greatly improved.Meanwhile, welding cinder ladle have manufacture energy consumption is low, maintenance frequency is few,
Service life length, the advantage such as operation expense is low, greatly reduce the pollution in the fabrication process to environment of the foundry slag bag, keep away
Having exempted to cast cinder ladle and repeated to smelt the energy height consumption caused, welding cinder ladle replaces the casting cinder ladle in Copper making field, meets country
Energy-saving and cost-reducing, economic and environment-friendly industrial policy, expands popularization and application and has significant economic benefit and huge social benefit.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (7)
1. the welding cinder ladle being applicable to copper ashes retarded cooling process, it is characterised in that: include being pressed into holistic inclusion (1), welding
At the bag end and multiple tank pin (2) being welded on of inclusion (1) bottom, between adjacent two tank pin (2) at bag the end
Being provided with heat-dissipating space (3), the material of described inclusion (1), the bag end and tank pin (2) is low-alloy high-strength sheet material, institute
The outward flange stating inclusion (1) upper end is provided with multiple downward and outward-dipping overfall (101), described inclusion (1)
Ring (4), middle ring (5) and lower ring (6) it is welded with the most successively, on the outer wall of described inclusion (1) on outer peripheral face
Also it is welded with multiple longitudinal gusset (7), described upper ring (4), middle ring (5), lower ring (6) and longitudinal gusset (7)
Material is low-alloy high-strength sheet material；The outer side-lower of described overfall (101) is provided with and is connected with overfall (101)
Water tank (20), the lower end of this water tank (20) is provided with distributive pipe (21), and described distributive pipe (21) is near inclusion (1)
Side be provided with multiple conduction hole (30), described middle ring (5) upper surface is additionally provided with a water collection sheet (28), this water collection sheet
(28) and form a water leg (29) between inclusion (1), described middle ring (5) and lower ring (6) also are provided with conduction hole
(30), described inclusion (1) outer wall is additionally provided with a point water plate (35) being positioned between middle ring (5) and lower ring (6),
It is provided with drainage gap between described point of water plate (35) and inclusion (1)；The outer end of described overfall (101) is provided with a filtration
Baffle plate (25), described filtering baffle (25) is provided with filter bores (26), described overfall (101) and water tank (20)
It is connected by filter bores (26).
Welding cinder ladle the most according to claim 1, it is characterised in that: described inclusion (1) both sides are all welded with a trunnion plate (8),
Described trunnion plate (8) is fixed with a gudgeon (9).
Welding cinder ladle the most according to claim 2, it is characterised in that: described gudgeon (9) is located in sleeve (10),
And gudgeon (9) is key connecting with sleeve pipe (10), between described trunnion plate (8) and inclusion (1), it is additionally provided with gusset (11)
With lower web plate (12), described upper gusset (11) and lower web plate (12) lay respectively at the both sides up and down of sleeve pipe (10).
Welding cinder ladle the most according to claim 2, it is characterised in that: it is provided with between described trunnion plate (8) and inclusion (1)
Plate (13), left plate (14), lower plate (15), right panel (16), described upper plate (13), left plate (14), lower plate (15),
Right panel (16) is uniformly distributed along the circumference of gudgeon (9).
Welding cinder ladle the most according to claim 2, it is characterised in that: described trunnion plate (8) is to the direction near inclusion (1)
Tilting, described trunnion plate (8) is 3 °～5 ° with the angle α of vertical plane.
Welding cinder ladle the most according to claim 2, it is characterised in that: described trunnion plate (8) inner side is provided with a gudgeon stiffening plate
(31), described gudgeon (9) penetrates in trunnion plate (8) and gudgeon stiffening plate (31) successively, and gudgeon (9) and gudgeon
Plate (8), gudgeon stiffening plate (31) are key connecting, and described trunnion plate (8) both sides are provided with the side being connected with inclusion (1)
Shrouding (32).
Welding cinder ladle the most according to claim 6, it is characterised in that: it is additionally provided with pressing plate (33) on described trunnion plate (8) outer surface,
Described gudgeon (9) is located in pressing plate (33), and pressing plate (33) and trunnion plate (8) are by multiple fixing bolts (34)
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476258.4A CN104550892B (en) | 2013-10-12 | 2013-10-12 | It is applicable to the welding cinder ladle of copper ashes retarded cooling process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310476258.4A CN104550892B (en) | 2013-10-12 | 2013-10-12 | It is applicable to the welding cinder ladle of copper ashes retarded cooling process |
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| CN104550892B true CN104550892B (en) | 2016-08-24 |
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| CN115386662A (en) * | 2021-05-24 | 2022-11-25 | 中冶宝钢技术服务有限公司 | Trunnion assembly, slag ladle and slag ladle manufacturing method |
| CN115287465B (en) * | 2022-09-08 | 2023-07-25 | 赤峰金通铜业有限公司 | Process for deeply recycling copper metal resources in copper smelting slag and slow cooling device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318277A (en) * | 1989-07-10 | 1994-06-07 | Dresser Industries, Inc. | Lined ladles, linings therefor, and method of forming the same |
| CN2199214Y (en) * | 1994-06-17 | 1995-05-31 | 李力行 | Combined steel slag pot |
| CN101368220B (en) * | 2008-09-04 | 2010-08-11 | 宝山钢铁股份有限公司 | Novel structured metallurgy cinder ladle and method of producing the same |
| CN201217662Y (en) * | 2008-06-03 | 2009-04-08 | 中冶宝钢技术服务有限公司 | Slag basin |
| CN201437152U (en) * | 2009-04-08 | 2010-04-14 | 武汉恒威重机有限公司 | Copper slag packet |
| CN101560579A (en) * | 2009-05-21 | 2009-10-21 | 中冶宝钢技术服务有限公司 | Welded slag ladle |
| CN202808833U (en) * | 2012-08-13 | 2013-03-20 | 中冶宝钢技术服务有限公司 | Slag ladle cooling water guide device |
| CN203635904U (en) * | 2013-10-12 | 2014-06-11 | 中冶宝钢技术服务有限公司 | Novel welding slag ladle for copper slag slow cooling process |
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