CN106123574A - A kind of oxygen blow converter and a kind of smelting process - Google Patents
A kind of oxygen blow converter and a kind of smelting process Download PDFInfo
- Publication number
- CN106123574A CN106123574A CN201610496689.0A CN201610496689A CN106123574A CN 106123574 A CN106123574 A CN 106123574A CN 201610496689 A CN201610496689 A CN 201610496689A CN 106123574 A CN106123574 A CN 106123574A
- Authority
- CN
- China
- Prior art keywords
- heater
- floss hole
- blow converter
- oxygen blow
- fire door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001301 oxygen Substances 0.000 title claims abstract description 62
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000003723 Smelting Methods 0.000 title claims abstract description 46
- 239000002893 slag Substances 0.000 claims abstract description 66
- 241000628997 Flos Species 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 230000000717 retained effect Effects 0.000 claims abstract description 9
- 239000011449 brick Substances 0.000 claims description 12
- 238000007598 dipping method Methods 0.000 claims description 11
- 241001062472 Stokellia anisodon Species 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000001376 precipitating effect Effects 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 150000002926 oxygen Chemical class 0.000 abstract description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229940108928 copper Drugs 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 241001417490 Sillaginidae Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910001254 electrum Inorganic materials 0.000 description 1
- XXOYNJXVWVNOOJ-UHFFFAOYSA-N fenuron Chemical compound CN(C)C(=O)NC1=CC=CC=C1 XXOYNJXVWVNOOJ-UHFFFAOYSA-N 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PQTCMBYFWMFIGM-UHFFFAOYSA-N gold silver Chemical compound [Ag].[Au] PQTCMBYFWMFIGM-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of oxygen blow converter and a kind of smelting process using this oxygen blow converter to realize.Being provided with fire door on the body of heater of this oxygen blow converter and for arranging the side floss hole of metal, fire door is positioned on the longitudinal axis of body of heater, and side floss hole is opened on the sidewall of body of heater.When carrying out smelting operation, glutinous slag is retained in stove.Pass through the present invention, it is not necessary to every stove must pour out glutinous slag, it is possible to reduce the discharge capacity of glutinous slag and discharge number of times, thus reduce operation labor intensity, reduce and produce pressure.
Description
Technical field
The present invention relates to metal smelt technical field, real particularly to a kind of oxygen blow converter and this oxygen blow converter of employing
Existing a kind of smelting process.
Background technology
Kaldo Furnace, also known as oxygen inclined blown converter, is blocked woods (B.Kalling) success of the test by Sweden in 1956, and many
Mu Naweite factory (Domnavet) goes into operation, and takes both first syllable kal and do names.The inclined shape of converter body, is placed in
Backing ring inner circle rolls on；Body of heater can turn round around longitudinal axis, and maximum (top) speed is 30 turns per minute；Oxygen rifle is in fire door oblique cutting stove, and energy
Swing (referring to Fig. 1)；Once applied in Sweden, Britain, France and the U.S., but the most i.e. stopped using in steel-making.Through changing
Kaldo converter after entering, adding can be to the facility of bath lancing, oxygen-fuel or other gases, such that it is able to control in stove
Temperature and atmosphere, be allowed to can be not only used for the blowing of exothermic reaction it can also be used to the melting of the endothermic reaction and refine.This kind of converter exists
Non-ferrous metal metallurgy is referred to as oxygen top blown rotary converter (top-blownrotary converter, be abbreviated as TBRC).1959
Year, International Nickel company of Canada Ltd.'s this stove converter mattes that blows first directly obtains metallic nickel.The said firm in 1973 at Tong Ya
(Cop-per Cliff) nickel refining factory has built up the top blown rotary converter two that capacity is 50 tons, in order to process nickel sulfide concentrate,
The compound of the corronil of converter mattes flotation gained, nickel sulfide anode scrap, flue dust and nickel anode mud etc., produces pure for carbonyl process
Nickel prepares raw material (crude metal nickel).Top blown rotary converter is also applied to the melting of the copper concentrate of high-grade or complicated component and blows
Refining, lead concentrate, the melting of Tin concentrate, the dilution of copper vessel slag, the process of the copper fumes that leaded, zinc is high and the smelting of reclaimed copper
Deng.
Revolving burner smelting high-grade copper concentrate, output blister copper are blown in middle national expenditures tiltedly (top), and the melting copper earth of positive pole produces gold silver and closes
Gold, the slag melting again producing electrum produces lead bismuth alloy etc..
In prior art, oxygen inclined blown converter and oxygen top-blown converter (being referred to as oxygen blow converter) are to be interrupted operation, add
(" metal " is generally alloy herein, and " metal " is all metal simple-substance and metal herein for material, melting, blowing, deslagging, row's metal
The general designation of alloy), charging.During production, body of heater is along the rotation of 360 ° of body of heater longitudinal axis line, can select rotating speed according to sessions, separately
External furnace body can vert with 180 °, carry out feeding, melting, discharge.Limited by oxygen inclined blown furnace structure (referring to Fig. 1), existing at present
The oxygen inclined blown converter charge door of row, slag-drip opening, row's metal mouth are for flatly (being referred to as fire door), being tilted to not coordination by body of heater
Put and feed and discharge, wherein when deslagging and row's metal, verted by body of heater and first the slag blanket on upper strata is discharged, treat that slag is arranged completely
Only, change following material feeding bag to carry out again arranging metal operation.
Melt in oxygen blow converter at high temperature relies on gravitational separation, but when discharge in order to ensure that the purity of metal is wanted
Deslagging as far as possible, is initially directly to topple over, thinning due to slag blanket to the later stage, is poured out often to use manually takes off to reduce metal
Slag, not only wastes time and energy, and field labor environment is poor.
It is important that when some high foreign material material of melting, owing to the stickiness of slag is big, in stove, melt presents 3 layers of distribution, goes up most
Face is slag blanket, and middle for sticking slag (metal-containing alloy is higher), metal (alloy-layer), glutinous slag blanket is the thickest, in order to obtain relatively
Pure alloy, slag blanket and glutinous slag blanket could arrange metal after will discharging, the loss of such metal in the dreg just strengthens, in order to reduce this
These glutinous slags are generally melted down and allocate virgin material into and melt down melting again, further increase the stickiness of slag by a little losses again.By
In the operating feature of oxygen blow converter, every stove all can produce such glutinous slag, along with the glutinous quantity of slag of the carrying out produced can be increasing,
Causing subsequent production pressure big, metal overstocks, and brings pressure to operation.
Therefore, how to reduce the operation labor intensity of oxygen blow converter in prior art, reduce and produce pressure, be current basis
The technical problem that skilled person is urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of oxygen blow converter and a kind of smelting side using this oxygen blow converter to realize
Method.The present invention need not every stove must pour out glutinous slag, can greatly reduce total emissions amount and the discharge number of times of glutinous slag, thus subtract
Little operation labor intensity, reduces and produces pressure.
For achieving the above object, the present invention provides following technical scheme:
A kind of oxygen blow converter, the body of heater of described oxygen blow converter is provided with fire door and discharges for arranging the side of metal
Mouthful, described fire door is positioned on the longitudinal axis of described body of heater, and described side floss hole is opened on the sidewall of described body of heater.
Preferably, in above-mentioned oxygen blow converter, described body of heater includes cylindrical shaft and taper furnace crown, described conical furnace
Cap is positioned at the top of described cylindrical shaft and is coaxial therewith connection, and described fire door is positioned at the top of described taper furnace crown, described
Side floss hole is opened on the sidewall of described taper furnace crown.
Preferably, in above-mentioned oxygen blow converter, the central axis of the discharge-channel connected with described side floss hole and institute
The longitudinal axis angle stating body of heater is 0～20 degree.
Preferably, in above-mentioned oxygen blow converter, described side floss hole stretches out a length of 10mm outside described body of heater extremely
20mm。
Preferably, in above-mentioned oxygen blow converter, described side floss hole and the discharge connected with described side floss hole are led to
Road is built by laying bricks or stones around the central axis of described discharge-channel by refractory brick and is formed, or described side floss hole is by building described body of heater by laying bricks or stones
The special form brick with holes in outside is constituted.
Preferably, in above-mentioned oxygen blow converter, described oxygen blow converter is oxygen top-blown converter or oxygen inclined blown converter.
Preferably, in above-mentioned oxygen blow converter, also include that dipping bar, described dipping bar include going deep into bar and holding rod,
The described bar that gos deep into is heat-resistance stainless steel material.
Preferably, in above-mentioned oxygen blow converter, one end of described one end going deep into bar and described holding rod is connected, and
Going deep into angle between bar and described holding rod is 90 degree.
A kind of smelting process, described smelting process uses the above oxygen blow converter, and, described smelting process
Including:
Step one: the side floss hole on closure body of heater；
Step 2: carry out the operation that feeds by the fire door on described body of heater；
Step 3: smelt precipitating metal；
Step 4: carry out deslagging operation by described fire door, glutinous slag is retained in stove；
Step 5: dredge described side floss hole, carries out arranging metal operation by described side floss hole, and glutinous slag is retained in stove
In.
Preferably, in above-mentioned smelting process, also include between described step 4 and described step 5: step 4 a:
When needing the glutinous slag of row, perform rapid four b, otherwise, perform step 5；
Step 4 b: discharge described glutinous slag by described fire door, then perform step 5 and/or step 4 c；
Step 4 c: carry out arranging metal operation by described fire door.
From technique scheme it can be seen that use oxygen blow converter and the smelting process metal smelting of present invention offer
Time, due to fire door and side floss hole independently arrange, separate operaton, such that it is able to carried out respectively by fire door and side floss hole
Deslagging operation and row's metal operation, it is not necessary to as in prior art, each stove operation must complete deslagging operation and the glutinous slag of row is made
Just can carry out after industry arranging metal operation.Thus visible, use the oxygen blow converter of present invention offer and smelting process to smelt gold
During genus, it is not necessary to every stove must pour out glutinous slag, thus reduces operation labor intensity, reduces and produces pressure.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of oxygen blow converter in prior art；
The sectional view of the body of heater of the oxygen blow converter that Fig. 2 provides for the present invention the first specific embodiment；
The structural representation of the dipping bar that Fig. 3 provides for the present invention the first specific embodiment；
Fig. 4 is the smelting process that the present invention the first specific embodiment provides；
Fig. 5 is the smelting process that the present invention the second specific embodiment provides.
In figure, 01-Calx/Ore, 02-charging position, the rotatable petticoat pipe of 03-, 04-waste gas, 05-additive pipe, 06-oxygen
Gas, 07-cools down water, 08-steel-supplying position, 09-ladle；
1-fire door, 2-side floss hole, 3-cylinder shaft, 4-taper furnace crown, 5-gos deep into bar, 6-holding rod.
Detailed description of the invention
The specific embodiment of the invention discloses a kind of oxygen blow converter and a kind of smelting using this oxygen blow converter to realize
Method.The present invention need not every stove must pour out glutinous slag, can greatly reduce total emissions amount and the discharge number of times of glutinous slag, reduce
Operation labor intensity, reduces and produces pressure.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to the section view of the body of heater of the oxygen blow converter that Fig. 2 to Fig. 5, Fig. 2 provide for the present invention the first specific embodiment
Figure, the structural representation of the dipping bar that Fig. 3 provides for the present invention the first specific embodiment；Fig. 4 is that the present invention first is embodied as
The smelting process that example provides, Fig. 5 is the smelting process that the present invention the second specific embodiment provides.
The oxygen blow converter that the present invention the first specific embodiment provides, is provided with fire door 1 and for arranging metal on body of heater
Side floss hole 2, this fire door 1 is positioned on the longitudinal axis M of body of heater (when " longitudinal axis M " refers to carry out smelt operation 360 ° of body of heater
Rotation axis), side floss hole 2 is opened on the sidewall of body of heater.
Contrast, the present invention the first specific embodiment additionally provides a kind of smelting side using above-mentioned oxygen blow converter to realize
Method, this smelting process mainly comprises the steps that
Step one: the side floss hole 2 on closure body of heater；
Step 2: carry out the operation that feeds by the fire door 1 on body of heater；
Step 3: smelt precipitating metal (refer specifically to melting, blowing etc. heat precipitating metal time smelting process)；
Step 4: carry out deslagging operation by fire door 1, glutinous slag is retained in stove；
Step 5: dredging side floss hole 2, carries out arranging metal operation by side floss hole 2, and glutinous slag is retained in stove.
When using oxygen blow converter and the smelting process metal smelting of the present invention the first specific embodiment offer, due to stove
Mouthful 1 and side floss hole 2 is independently arranged, separate operaton, such that it is able to pass through fire door 1 and side floss hole 2 carries out deslagging respectively
Operation and row's metal operation, it is not necessary to after as in prior art, each stove operation must complete deslagging operation and the glutinous slag operation of row
Just can carry out arranging metal operation.Thus visible, oxygen blow converter and the smelting of the offer of the present invention the first specific embodiment are provided
During method metal smelting, it is not necessary to every stove must pour out glutinous slag, thus reduces operation labor intensity, reduces and produces pressure.
Owing to the tenor in glutinous slag is high, fusion process can also produce a large amount of metal, therefore in actual production
Cheng Zhong, generally, after completing the most above-mentioned smelting process, glutinous slag is kept in stove, and continues with next stove operation
Smelt.Returning step one after i.e. having performed the step 6 in above-mentioned smelting process, circulation carries out next stove operation, the most repeatedly follows
Ring is carried out.See Fig. 4.
During cycle operation, the glutinous slag that a upper stove stays may proceed to clarified separation in ensuing smelting operation,
Produce new slag, glutinous slag, metal, reach poised state.This operation not only need not every stove must pour out glutinous slag, reduces and makees
Industry labor intensity, reduces and produces pressure, and greatly reduce glutinous slag discharge capacity.Additionally, through top-operation, it is also possible to increase
Alloy discharge number of times so that efficiency is greatly improved.
In actual production process, the concrete operations flow process of above-mentioned smelting process refers to as follows:
In step one: block up the side floss hole 2 on body of heater, to prevent flue gas from escaping by glutinous mudding；
In step 2: the body of heater that verts, to feed location, carries out, by the fire door 1 on body of heater, the operation that feeds；
In step 3: the body of heater that verts to smelting position, body of heater longitudinally 360 ° of rotations, smelt precipitating metal；
In step 4: the body of heater that verts, to deslagging position, carries out deslagging operation by fire door 1, and glutinous slag is retained in stove, this
Time, in order to avoid side floss hole 2 blocks, it is to avoid side floss hole 2 bears pressure, during deslagging, side floss hole 2 is rotated to body of heater
Upside；
In step 5: after in stove, normal slag is drained, the body of heater that verts is to the first predeterminated position, in order to cleaning side floss hole 2
Glutinous mud, and dredge side floss hole 2, then proceed to vert body of heater to the second predeterminated position, in order to carry out row's gold by side floss hole 2
Belonging to operation, stop emissions operation when the metal in body of heater will discharge, glutinous slag is retained in stove, is then back to step
One, circulation carries out next stove operation.
At this it should be noted that the above-mentioned side floss hole 2 that is convenient to clean sticks " first predeterminated position " of mud, and above-mentioned just
In by side floss hole 2 carry out arrange metal operation " the second predeterminated position " be according to practical situation and experience handle by technical staff
Hold.The present invention is not specifically limited for concrete tilt angle and the position of body of heater.
In actual production process, the circulation of above-mentioned smelting process carry out N (N >=1) secondary after, it is possible to need to discharge in stove glutinous
Slag, is now probably execution and smelts operation for the last time, it is also possible to certain of offhand decision smelts operation.Contrast, the present invention
Provide the second specific embodiment.
The present invention the second specific embodiment discloses a kind of smelting process, and this smelting process includes that the present invention first is concrete real
Execute smelting process disclosed in example, and perform the last time to carry out arranging glutinous slag operation when smelting operation.Particularly as follows: be recycled to
During N+1 smelting process, after execution of step one to step 4 (after i.e. completing deslagging operation by fire door 1), continue through
Fire door 1 carries out arranging glutinous slag operation, finally dredges side floss hole 2 and carries out arranging metal operation by side floss hole 2；Or, holding
Go step one to after step 4 (after i.e. completing deslagging operation by fire door 1), continued through fire door 1 and carry out arranging glutinous slag operation,
And as prior art, change following material feeding bag again, carry out arranging metal operation by fire door 1, side so can be avoided to arrange
Put dredging and the plugging operations again of mouth 2.
Visible, smelting process disclosed in the present invention the second specific embodiment, is on the basis of the first specific embodiment,
Also include between step 4 and step 5: step 4 a: when the glutinous slag of needs row, perform rapid four b, otherwise, perform step 5；
Step 4 b: discharge glutinous slag by fire door 1, then perform step 5 and/or step 4 c；
Step 4 c: carry out arranging metal operation by fire door 1.
Smelting process disclosed in the present invention the second specific embodiment, concrete grammar flow process refers to Fig. 5.
At this it should be noted that " the need of the glutinous slag of row " in Fig. 5, can be technical staff rule of thumb or temporarily
Situation judges, such as, sentence according to charging total amount, charging times, metal quality, glutinous slag accumulation, cycle-index or unexpected situation etc.
Disconnected the need of the glutinous slag of row.
In a particular embodiment, above-mentioned oxygen blow converter is oxygen top-blown converter or oxygen inclined blown converter.Specifically, such as figure
Shown in 2, the body of heater of above-mentioned oxygen blow converter includes cylindrical shaft 3 and taper furnace crown 4, and taper furnace crown 4 is positioned at cylindrical shaft 3
Top and be coaxial therewith connection, fire door 1 is positioned at the top of taper furnace crown 4, and side floss hole 2 is opened in the sidewall of taper furnace crown 4
On, and, side floss hole 2 is arranged near the joint of cylindrical shaft 3 and taper furnace crown 4, the edge of side floss hole 2 and fire door
The predeterminable range of zero it is remained above between the edge of 1.
In a particular embodiment, in order to protect body of heater box hat not washed away by melt, make side floss hole 2 protrude outside body of heater and set
Putting, specially side floss hole 2 stretches out a length of 10mm to 20mm outside body of heater.In order to optimize technique scheme further,
In the present invention, the angle a between the central axis L and the longitudinal axis M of body of heater of the discharge-channel connected with side floss hole 2 be 0～
20 degree (as shown in Figure 2), forms eddy current in stove, causes discharge band slag during to be avoided by side floss hole 2 row's metal；And
And, side floss hole 2 and the discharge-channel communicated therewith are preferably positioned to circular channel, block up to facilitate.Specifically, side discharge
Mouthfuls 2 and the discharge-channel that connects with side floss hole 2, refractory brick build by laying bricks or stones around the central axis L of this discharge-channel and form, or
Person, side floss hole 2 is directly built by laying bricks or stones outside body of heater by special form brick with holes and is constituted.But be not limited to that this, oxygen is blown and turns
In stove, side floss hole 2 stretches out the angle between the central axis L and the longitudinal axis M of body of heater of the length outside body of heater, discharge-channel
A, side floss hole 2 and the cross sectional shape of discharge-channel, those skilled in the art all can carry out other according to practical condition
Arranging, this is not especially limited by the present invention.
Additionally, due to the structure of the type of furnace is limited, slag discharge terminal during deslagging often relies on manual sampling and judges by rule of thumb,
It is not easy to hold.To this, the specific embodiment of the invention additionally provides a kind of special dipping bar, is used for measuring in tapping process
Thickness of slag layer, to reduce the manual sampling frequency.Under normal circumstances by dipping bar it can be seen that slag is obvious with metal level layering.
Specifically, as it is shown on figure 3, this dipping bar includes going deep into bar 5 and holding rod 6, one end and the holding rod 6 of bar 5 are goed deep into
One end be connected, in " 7 " type.In preferred specific embodiment, the length of holding rod 6 is more than the length going deep into bar 5, gos deep into bar
The length of 5 is less than the diameter of fire door 1, and going deep into angle between bar 5 and holding rod 6 is 90 degree.Wherein, go deep into bar 5 for heat-resisting not
Rust steel matter, holding rod 6 is steel pipe.
Specifically, in smelting process, slag separates due to the different natural subsidence of density from metal alloy, and density metal is big,
Sinking to lower section, slag density is little floats over top.In smelting process, stretching into dipping bar by fire door 1, make dipping bar gos deep into bar 5
Insert at ullage, and stand rear taking-up in about a minute.In insertion process, the slag of respective depth and metal are attached to go deep into bar
On 5, owing to the character such as slag and the density of metal, heat conduction are different, can slag tap the demarcation line with metal going deep into bar 5, logical
Cross and measure the height that can draw the thickness of slag blanket, liquid level.Thus reach to reduce the purpose of the manual sampling frequency.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. an oxygen blow converter, it is characterised in that be provided with fire door (1) on the body of heater of described oxygen blow converter and be used for arranging gold
The side floss hole (2) belonged to, described fire door (1) is positioned on the longitudinal axis of described body of heater, and described side floss hole (2) is opened in described stove
On the sidewall of body.
Oxygen blow converter the most according to claim 1, it is characterised in that described body of heater includes cylindrical shaft (3) and cone
Shape furnace crown (4), described taper furnace crown (4) is positioned at the top of described cylindrical shaft (3) and is coaxial therewith connection, described fire door
(1) being positioned at the top of described taper furnace crown (4), described side floss hole (2) is opened on the sidewall of described taper furnace crown (4).
Oxygen blow converter the most according to claim 1, it is characterised in that the discharge connected with described side floss hole (2) is led to
The central axis in road is 0～20 degree with the longitudinal axis angle of described body of heater.
Oxygen blow converter the most according to claim 1, it is characterised in that described side floss hole (2) is stretched out outside described body of heater
The a length of 10mm to 20mm of side.
Oxygen blow converter the most according to claim 4, it is characterised in that described side floss hole (2) and arranging with described side
Put discharge-channel that mouth (2) connects to be built by laying bricks or stones around the central axis of described discharge-channel by refractory brick and form, or described side row
Put mouth (2) to be made up of the special form brick with holes built by laying bricks or stones outside described body of heater.
6. according to the oxygen blow converter described in any one of claim 1-5, it is characterised in that described oxygen blow converter is oxygen top
Blow converter or oxygen inclined blown converter.
Oxygen blow converter the most according to claim 6, it is characterised in that also include that dipping bar, described dipping bar include deeply
Entering bar (5) and holding rod (6), the described bar (5) that gos deep into is heat-resistance stainless steel material and/or described holding rod (6) is steel pipe.
Oxygen blow converter the most according to claim 7, it is characterised in that described one end going deep into bar (5) and described hand-held
One end of bar (6) is connected, and to go deep into angle between bar (5) and described holding rod (6) be 90 degree.
9. a smelting process, it is characterised in that described smelting process uses the oxygen blow converter described in the claims 6,
Further, described smelting process includes:
Step one: the side floss hole (2) on closure body of heater；
Step 2: carry out the operation that feeds by the fire door (1) on described body of heater；
Step 3: smelt precipitating metal；
Step 4: carry out deslagging operation by described fire door (1), glutinous slag is retained in stove；
Step 5: dredge described side floss hole (2), carries out arranging metal operation by described side floss hole (2), and glutinous slag is retained in stove
In.
Smelting process the most according to claim 9, it is characterised in that between described step 4 and described step 5 also
Including: step 4 a: when the glutinous slag of needs row, perform rapid four b, otherwise, perform step 5；
Step 4 b: discharge described glutinous slag by described fire door (1), then perform step 5 and/or step 4 c；
Step 4 c: carry out arranging metal operation by described fire door (1).
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| CN201610496689.0A CN106123574A (en) | 2016-06-28 | 2016-06-28 | A kind of oxygen blow converter and a kind of smelting process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610496689.0A CN106123574A (en) | 2016-06-28 | 2016-06-28 | A kind of oxygen blow converter and a kind of smelting process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114934194A (en) * | 2022-05-31 | 2022-08-23 | 金川集团股份有限公司 | Process for carrying out nickel alloy vulcanization smelting by using oxygen cyclone rotary furnace |
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Application publication date: 20161116 |