CN108588315A - A kind of blast furnace iron outlet groove containing aluminium chromium slag layer - Google Patents
A kind of blast furnace iron outlet groove containing aluminium chromium slag layer Download PDFInfo
- Publication number
- CN108588315A CN108588315A CN201810584824.6A CN201810584824A CN108588315A CN 108588315 A CN108588315 A CN 108588315A CN 201810584824 A CN201810584824 A CN 201810584824A CN 108588315 A CN108588315 A CN 108588315A
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- chromium slag
- slag layer
- aluminium chromium
- drain body
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/105—Refractories from grain sized mixtures containing chromium oxide or chrome ore
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Metallurgy (AREA)
- Structural Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a kind of blast furnace iron outlet grooves containing aluminium chromium slag layer,Including tap drain body,External mold,Aluminium chromium slag layer,Tap a blast furnace groove,Water composite cooling pipe,The tap drain body is equipped with the groove that taps a blast furnace,The flute surfaces of tapping a blast furnace are equipped with aluminium chromium slag layer,The tap drain body lower end is equipped with external mold,In the external mold several water composite cooling pipes are equipped with the contact surface of tap drain body,The present invention by the flute surfaces of tapping a blast furnace of iron tap channel by being arranged aluminium chromium slag layer,The heat resistance of iron tap channel can be improved,Flushing resistance,It is cost-effective,Aluminium chromium slag is effectively used,It is cost-effective,Environmental protection,By setting iron tap channel to tap drain body and external mold double-layer structure,It can be convenient for changing when tap drain body damages,Reduce economic loss,By the way that water composite cooling pipe is arranged on external mold and tap drain contact level,Waste heat can be exported,To make the resistance to material of trough be under lower operating temperature,Extend trough service life.
Description
【Technical field】
The present invention relates to the technical fields of iron tap channel, the technical field of the blast furnace iron outlet groove especially containing aluminium chromium slag layer.
【Background technology】
A part of the blast furnace iron outlet groove as blast fumance, be molten iron flowed to through iron mouth out of stove hot-metal bottle necessity it is logical
Road, thus the service life of iron tap channel be directly related to blast fumance can normally orderly progress, the lining damage of iron tap channel ditch
Reason has very much, wherein mainly due to the high temperature of molten iron and washing away, the Service Environment of iron tap channel is severe, not only to bear molten iron
Flowing with slag washes away erosion to refractory material surface layer, and still suffers from the heat generated due to the fluctuation of temperature and answer
Power, and aluminium chromium slag is by-product derived from the alloys such as thermite reaction metal smelting chromium, ferrochrome, aluminium chromium slag is generally taken as
Industrial refuse processing, is piled into evil, brings huge environment and financial burden to society and enterprise, therefore carries out nothing to aluminium chromium slag
Evilization application is of great significance, and the heat resistance of aluminium chromium slag, flushing resistance are good, are very suitable for as blast furnace iron outlet groove
Ditch body material.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of blast furnace casting containing aluminium chromium slag layer
Aluminium chromium slag can be used to make the ditch body material of blast furnace iron outlet groove, improve heat resistance, the flushing resistance of iron tap channel by ditch,
It is cost-effective.
To achieve the above object, the present invention proposes a kind of blast furnace iron outlet groove containing aluminium chromium slag layer, including tap drain body, outer
Mould, aluminium chromium slag layer, the groove that taps a blast furnace, water composite cooling pipe, the tap drain body are equipped with the groove that taps a blast furnace, and the flute surfaces of tapping a blast furnace are set
There are aluminium chromium slag layer, the tap drain body lower end to be equipped with external mold, if being equipped with solid carbon dioxide with the contact surface of tap drain body in the external mold
Cooling tube.
Preferably, the tap drain body is detachably to link with external mold, the external mold is equipped with and tap drain body lower end
The mounting groove of cooperation, the tap drain body are set in mounting groove.
Preferably, the tap drain body both sides are equipped with shirt rim, the shirt rim is equipped with through-hole, on the external mold
Equipped with the threaded hole with the through-hole cooperation on shirt rim, the fixing bolt is connected by through-hole with threaded hole.
Preferably, it is U-shaped or V-type groove that the groove that taps a blast furnace, which is cross section,.
Preferably, it is rectangular hollow high-temperature resistant tube that the water composite cooling pipe, which is cross section,.
Preferably, the external mold lower end is equipped with supporting rack, the lower end of the supporting rack is equipped with several support legs.
Preferably, being equipped with adjustable support foot between the support leg and ground.
Preferably, the tap drain body is castable refractory or fire-resistance rammed mass.
Preferably, the main chemical compositions of the aluminium chromium slag layer are：Al2O3 is 80-85wt%, Cr2O3 10-
15wt%, Fe2O3≤1wt%, CaO≤1.5wt%.
Preferably, the external mold is refractory metal or high temperature resistant castable.
Beneficial effects of the present invention：The present invention by the flute surfaces of tapping a blast furnace of iron tap channel by being arranged aluminium chromium slag layer, Neng Gouti
The heat resistance of high iron tap channel, flushing resistance, it is cost-effective, aluminium chromium slag is effectively used, cost-effective, protection ring
Border can be convenient for changing by setting iron tap channel to tap drain body and external mold double-layer structure when tap drain body damages, and be reduced economical
Loss can be exported waste heat, by the way that water composite cooling pipe is arranged on external mold and tap drain contact level to keep trough resistance to
Material is under lower operating temperature, extends trough service life.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of the blast furnace iron outlet groove containing aluminium chromium slag layer of the present invention.
In figure：1- tap drains body, 2- external molds, 3- aluminium chromium slags layer, 4- tap a blast furnace groove, 5- water composite cooling pipes, 6- fixing bolts, 7- branch
Support, the shirt rims 11-, 21- mounting grooves, 22- threaded holes, 71- support legs, 111- through-holes, 711- adjustable support feet.
【Specific implementation mode】
Refering to fig. 1, a kind of blast furnace iron outlet groove containing aluminium chromium slag layer of the present invention, including tap drain body 1, external mold 2, aluminium chromium slag layer
3, tap a blast furnace groove 4, water composite cooling pipe 5, and the tap drain body 1 is equipped with the groove 4 that taps a blast furnace, and 4 surface of groove of tapping a blast furnace is equipped with aluminium
Chromium slag layer 3,1 lower end of tap drain body are equipped with external mold 2, if being equipped with solid carbon dioxide with the contact surface of tap drain body 1 in the external mold 2
Cooling tube 5, the tap drain body 1 and external mold 2 be detachably to link, and the external mold 2 with 1 lower end of tap drain body equipped with coordinating
Mounting groove 21, the tap drain body 1 are set in mounting groove 21, and 1 both sides of tap drain body are equipped with shirt rim 11, the shirt rim
11 are equipped with through-hole 111, and the external mold 2 is equipped with the threaded hole 22 coordinated with the through-hole 111 on shirt rim 11, the fixation
Bolt 6 is connected by through-hole 111 with threaded hole 22, and the groove 4 that taps a blast furnace is that cross section is U-shaped or V-type groove, described
Water composite cooling pipe 5 is that cross section is rectangular hollow high-temperature resistant tube, and 2 lower end of external mold is equipped with supporting rack 7, the supporting rack
7 lower end is equipped with several support legs 71, and adjustable support foot 711, the master are equipped between the support leg 71 and ground
Ditch body 1 is castable refractory or fire-resistance rammed mass, and the main chemical compositions of the aluminium chromium slag layer 3 are：Al2O3 is 80-
85wt%, Cr2O3 10-15wt%, Fe2O3≤1wt%, CaO≤1.5wt%, the external mold 2 are refractory metal or resistance to
High temperature castable.
The course of work of the present invention：
A kind of present invention blast furnace iron outlet groove containing aluminium chromium slag layer during the work time, places this invention into be worked
Position adjusts the height of the present invention by adjustable support foot 711, and by tapping a blast furnace, groove 4 drains molten iron, passes through the groove 4 that taps a blast furnace
The aluminium chromium slag layer 3 of surface setting improves the heat resistance of iron tap channel, flushing resistance, is external mold 2 and tap drain body by water cooling tube 5
1 cooling extends trough service life to make the resistance to material of trough be under lower operating temperature, is damaged in tap drain body 1
When, the fixing bolt 6 of 1 both sides of tap drain body can be unclamped, tap drain body 1 is taken out, replaces a new tap drain body 1, it can be in tap drain
Body 1 is convenient for changing when damaging, and reduces economic loss.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer, it is characterised in that：Including tap drain body (1), external mold (2), aluminium chromium slag layer
(3), tap a blast furnace groove (4), water composite cooling pipe (5), and the tap drain body (1) is equipped with the groove (4) that taps a blast furnace, the groove that taps a blast furnace
(4) surface is equipped with aluminium chromium slag layer (3), and described tap drain body (1) lower end is equipped with external mold (2), in the external mold (2) with tap drain body
(1) contact surface is equipped with several water composite cooling pipes (5).
2. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The tap drain body
(1) it is detachably to link with external mold (2), the external mold (2) is equipped with the mounting groove (21) coordinated with tap drain body (1) lower end,
The tap drain body (1) is set in mounting groove (21).
3. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The tap drain body
(1) both sides are equipped with shirt rim (11), and the shirt rim (11) are equipped with through-hole (111), and the external mold (2) is equipped with and shirt rim
(11) threaded hole (22) of through-hole (111) cooperation on, the fixing bolt (6) pass through through-hole (111) and threaded hole (22)
It is connected.
4. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The groove that taps a blast furnace
(4) be cross section it is U-shaped or V-type groove.
5. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The water composite cooling pipe
(5) be cross section it is rectangular hollow high-temperature resistant tube.
6. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The external mold (2)
Lower end is equipped with supporting rack (7), and the lower end of the supporting rack (7) is equipped with several support legs (71).
7. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as claimed in claim 6, it is characterised in that：The support leg
(71) adjustable support foot (711) is equipped between ground.
8. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The tap drain body
(1) it is castable refractory or fire-resistance rammed mass.
9. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The aluminium chromium slag layer
(3) main chemical compositions are：Al2O3 is 80-85wt%, Cr2O3 10-15wt%, Fe2O3≤1wt%, CaO≤
1.5wt%.
10. a kind of blast furnace iron outlet groove containing aluminium chromium slag layer as described in claim 1, it is characterised in that：The external mold (2)
For refractory metal or high temperature resistant castable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584824.6A CN108588315A (en) | 2018-06-06 | 2018-06-06 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584824.6A CN108588315A (en) | 2018-06-06 | 2018-06-06 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108588315A true CN108588315A (en) | 2018-09-28 |
Family
ID=63623307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810584824.6A Pending CN108588315A (en) | 2018-06-06 | 2018-06-06 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108588315A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998607A (en) * | 2018-10-15 | 2018-12-14 | 中冶赛迪技术研究中心有限公司 | A kind of blast furnace iron outlet groove cooling device |
| CN110317913A (en) * | 2019-08-21 | 2019-10-11 | 北京瑞尔非金属材料有限公司 | It is a kind of to force cooling molten iron tap drain and preparation method thereof |
| CN110396565A (en) * | 2019-07-23 | 2019-11-01 | 长兴明天炉料有限公司 | A kind of novel erosion resistant blast furnace iron outlet groove |
| CN111139328A (en) * | 2020-03-25 | 2020-05-12 | 郑州市瑞沃耐火材料有限公司 | Water-cooled iron-storage type iron runner structure |
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| JP2002332512A (en) * | 2001-05-09 | 2002-11-22 | Tokyo Yogyo Co Ltd | Trough for molten metal and slag |
| CN201381331Y (en) * | 2009-03-26 | 2010-01-13 | 中钢集团洛阳耐火材料研究院有限公司 | Replaceable compound skimmer for iron storing main runner ditch |
| CN103615901A (en) * | 2013-12-05 | 2014-03-05 | 江苏联兴成套设备制造有限公司 | Production method of slag runner cooler |
| CN204138683U (en) * | 2013-08-30 | 2015-02-04 | 巩义市时创新材料孵化器有限公司 | A kind of blast furnace iron outlet groove being provided with cooling stave |
| CN205205165U (en) * | 2015-11-19 | 2016-05-04 | 鞍钢股份有限公司 | Long -life blast furnace casting ditch |
| CN107759207A (en) * | 2017-11-20 | 2018-03-06 | 武汉科技大学 | Using aluminium chromium slag as blast furnace iron outlet groove castable of major ingredient and preparation method thereof |
| CN208701100U (en) * | 2018-06-06 | 2019-04-05 | 长兴明天炉料有限公司 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
-
2018
- 2018-06-06 CN CN201810584824.6A patent/CN108588315A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002332512A (en) * | 2001-05-09 | 2002-11-22 | Tokyo Yogyo Co Ltd | Trough for molten metal and slag |
| CN201381331Y (en) * | 2009-03-26 | 2010-01-13 | 中钢集团洛阳耐火材料研究院有限公司 | Replaceable compound skimmer for iron storing main runner ditch |
| CN204138683U (en) * | 2013-08-30 | 2015-02-04 | 巩义市时创新材料孵化器有限公司 | A kind of blast furnace iron outlet groove being provided with cooling stave |
| CN103615901A (en) * | 2013-12-05 | 2014-03-05 | 江苏联兴成套设备制造有限公司 | Production method of slag runner cooler |
| CN205205165U (en) * | 2015-11-19 | 2016-05-04 | 鞍钢股份有限公司 | Long -life blast furnace casting ditch |
| CN107759207A (en) * | 2017-11-20 | 2018-03-06 | 武汉科技大学 | Using aluminium chromium slag as blast furnace iron outlet groove castable of major ingredient and preparation method thereof |
| CN208701100U (en) * | 2018-06-06 | 2019-04-05 | 长兴明天炉料有限公司 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998607A (en) * | 2018-10-15 | 2018-12-14 | 中冶赛迪技术研究中心有限公司 | A kind of blast furnace iron outlet groove cooling device |
| CN110396565A (en) * | 2019-07-23 | 2019-11-01 | 长兴明天炉料有限公司 | A kind of novel erosion resistant blast furnace iron outlet groove |
| CN110317913A (en) * | 2019-08-21 | 2019-10-11 | 北京瑞尔非金属材料有限公司 | It is a kind of to force cooling molten iron tap drain and preparation method thereof |
| CN111139328A (en) * | 2020-03-25 | 2020-05-12 | 郑州市瑞沃耐火材料有限公司 | Water-cooled iron-storage type iron runner structure |
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