CN204329616U - Titanium slag furnace at the bottom of open hearth - Google Patents
Titanium slag furnace at the bottom of open hearth Download PDFInfo
- Publication number
- CN204329616U CN204329616U CN201420760971.1U CN201420760971U CN204329616U CN 204329616 U CN204329616 U CN 204329616U CN 201420760971 U CN201420760971 U CN 201420760971U CN 204329616 U CN204329616 U CN 204329616U
- Authority
- CN
- China
- Prior art keywords
- furnace
- layer
- wall
- furnace wall
- flame retardant
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of structure simple, build by laying bricks or stones conveniently, titanium slag furnace at the bottom of the open hearth that with low cost, maintenance is convenient, cost performance is high, comprise the body of heater be made up of furnace bottom and furnace wall, the furnace shell plate of coated described body of heater, and be positioned at the converter nose of furnace wall, described furnace bottom is multi-layer flat bottom structure, and furnace bottom is followed successively by furnace bottom insulating, furnace bottom air-permeable elastic layer, furnace bottom basal layer, furnace bottom flame retardant coating, furnace bottom high temperature flue flame retardant coating, retaining wall knotting layer from bottom to up.Less demanding to refractory brick of this block furnace structure, and material structure is simply built by laying bricks or stones conveniently, with low cost, convenient and time-saving, the laborsaving cost performance of later stage maintenance is high, is applicable to small-sized titanium slag furnace; And this bottom construction can better make bottom temperature be evenly distributed, good reduction molten iron is to the erosion of furnace bottom and wash away, and reduces potential safety hazard, extends the service life of titanium slag furnace entirety.
Description
Technical field
The utility model relates to titanium slag furnace field, titanium slag furnace at the bottom of especially a kind of open hearth.
Background technology
Titanium slag furnace is to the appellation of ore deposit hot type electric arc furnaces being used for producing rich titanium material in nonferrous metallurgy industry.Titanium slag furnace furnace lining generally adopts High-Alumina or magnesia refractories to build by laying bricks or stones, tiing a knot forms.
China's titanium slag hearth is based on three-phawse arc furnace, in smelting process, temperature is mainly concentrated bottom furnace bottom, furnace bottom molten iron temperature is easily caused to raise, molten iron erosion of refractory and wash away refractory material, in the course of time make the thinning molten iron temperature of furnace bottom too high, have the danger of wearing stove at any time, there is very large potential safety hazard.Tradition titanium slag furnace is made up of the body of heater of iron furnace shell and furnace shell inside, to Large Titanium slag hearth, taper body of heater or spherical furnace bottom can be adopted to reduce the harm of these problems, but for small-sized titanium slag furnace, be not suitable for furnace binding being built too complicated, such cost is too high.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of structure simple, build by laying bricks or stones conveniently, titanium slag furnace at the bottom of the open hearth that with low cost, maintenance is convenient, cost performance is high.
The utility model solves titanium slag furnace at the bottom of the open hearth that its technical problem adopts, comprise the body of heater be made up of furnace bottom and furnace wall, the furnace shell plate of coated described body of heater, and the converter nose be positioned on furnace wall, described furnace bottom is multi-layer flat bottom structure, and furnace bottom is followed successively by furnace bottom insulating, furnace bottom air-permeable elastic layer, furnace bottom basal layer, furnace bottom flame retardant coating, furnace bottom high temperature flue flame retardant coating, retaining wall knotting layer from bottom to up.
Further, described furnace wall is followed successively by the trapezoidal brick layer of furnace wall, furnace wall pressure arch brick layer, composite brickwork heat-insulation layer, clay furnace wall heat-insulation layer from bottom to up.
Further, described furnace wall outer wall has furnace wall insulating and furnace wall air-permeable elastic layer, and described furnace wall insulating is close to furnace shell plate inwall, and described furnace wall air-permeable elastic layer is close to furnace wall insulating inwall.
Further, described composite brickwork heat-insulation layer has four layers from furnace wall inwall to outer wall, is followed successively by the first high-temperature flame-proof layer, the second high-temperature flame-proof layer, third high temperature flame retardant coating, clay flame retardant coating.
Further, the furnace wall part of described converter nose and furnace wall junction is stokehole brick layer.
Further, described furnace wall outermost layer has furnace wall reinforcement.
Be further; the material of described furnace bottom insulating and furnace wall insulating is asbestos; the material of described furnace bottom air-permeable elastic layer and furnace wall air-permeable elastic layer is clayey particle or high alumina particles; described furnace bottom basal layer adopts the brick one-tenth of material clayey N-1; described furnace bottom flame retardant coating and furnace bottom high temperature flue flame retardant coating all adopt material high-alumina clay matter LZ-75 brick become, retaining wall knotting layer material be high-alumina clay matter.
Be further, the trapezoidal brick layer of described furnace wall adopts the brick one-tenth of corundum carborundum, furnace wall pressure arch brick layer, the first high-temperature flame-proof layer, the second high-temperature flame-proof layer, third high temperature flame retardant coating adopt material to be the brick one-tenth of high-alumina clay matter LZ-75, clay flame retardant coating and clay furnace wall heat-insulation layer employing material be clayey N-1 brick become.
The beneficial effects of the utility model are: the retaining wall knotting layer of furnace bottom surface and the surperficial surrounding of furnace bottom effectively can prevent furnace high-temperature slag phase and the brick of iron liquid to furnace bottom high temperature flue flame retardant coating and the erosion of brickwork joint; Be furnace bottom flame retardant coating under furnace bottom high temperature flue flame retardant coating, furnace bottom played to the effect of duplicate protection; Furnace bottom basal layer plays the effect supporting furnace bottom flame retardant coating, furnace bottom high temperature flue flame retardant coating; Furnace bottom air-permeable elastic layer can be eliminated body of heater and be heated and the impact of high-temperature expansion; Furnace bottom insulating can reduce scattering and disappearing of furnace heat.Less demanding to refractory brick of this block of the utility model furnace structure, and material structure is simply built by laying bricks or stones conveniently, with low cost, convenient and time-saving, the laborsaving cost performance of later stage maintenance is high, is applicable to small-sized titanium slag furnace; And this bottom construction can better make bottom temperature be evenly distributed, good reduction molten iron is to the erosion of furnace bottom and wash away, and reduces potential safety hazard, extends titanium slag furnace whole service life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Position and numbering in figure: furnace wall reinforcement 11, furnace shell plate 12, furnace bottom insulating 21, furnace bottom air-permeable elastic layer 22, furnace bottom basal layer 23, furnace bottom flame retardant coating 24, furnace bottom high temperature flue flame retardant coating 25, retaining wall knotting layer 26, converter nose 31, stokehole brick layer 32, the trapezoidal brick layer 41 of furnace wall, furnace wall pressure arch brick layer 42, composite brickwork heat-insulation layer 43, clay furnace wall heat-insulation layer 44, furnace wall insulating 45, furnace wall air-permeable elastic layer 46.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.It should be noted that at this, the explanation for these embodiments understands the utility model for helping, but does not form restriction of the present utility model.
As shown in Figure 1, this use is novel comprises the body of heater be made up of furnace bottom and furnace wall, the furnace shell plate 12 of coated described body of heater, and the converter nose 31 be positioned on furnace wall, described furnace bottom is multi-layer flat bottom structure, and furnace bottom is followed successively by furnace bottom insulating 21, furnace bottom air-permeable elastic layer 22, furnace bottom basal layer 23, furnace bottom flame retardant coating 24, furnace bottom high temperature flue flame retardant coating 25, retaining wall knotting layer 26 from bottom to up.The retaining wall knotting layer 26 of furnace bottom surface and the surperficial surrounding of furnace bottom effectively can prevent furnace high-temperature slag and the brick of iron liquid to furnace bottom high temperature flue flame retardant coating 25 and the erosion of brickwork joint, and the material of retaining wall knotting layer 26 is high-alumina clay matter; Be furnace bottom flame retardant coating 24 under furnace bottom high temperature flue flame retardant coating 25, furnace bottom played to the effect of duplicate protection, furnace bottom flame retardant coating 24 and furnace bottom high temperature flue flame retardant coating 25 all adopt material high-alumina clay matter LZ-75 brick become; Furnace bottom basal layer 23 plays the effect supporting furnace bottom flame retardant coating 24, furnace bottom high temperature flue flame retardant coating 25, and it adopts the brick one-tenth of material clayey N-1; Furnace bottom air-permeable elastic layer 22 can be eliminated body of heater and be heated and the impact of high-temperature expansion, and its material is clayey particle or high alumina particles; Furnace bottom insulating 21 can reduce scattering and disappearing of furnace heat, and its material is asbestos.
Specifically, described furnace wall is followed successively by the trapezoidal brick layer 41 of furnace wall, furnace wall pressure arch brick layer 42, composite brickwork heat-insulation layer 43, clay furnace wall heat-insulation layer 44 from bottom to up.Described composite brickwork heat-insulation layer 43 has four layers from furnace wall inwall to outer wall, is followed successively by the first high-temperature flame-proof layer 431, second high-temperature flame-proof layer 432, third high temperature flame retardant coating 433, clay flame retardant coating 434.Furnace wall is from inwall to outer wall, and temperature reduces gradually, and the insulation of wall layer therefore near inwall need adopt resistant to elevated temperatures brick masonry, and the insulation of wall layer near outer wall then can adopt general argillaceous brick masonry.Concrete, the first high-temperature flame-proof layer 431, second high-temperature flame-proof layer 432, third high temperature flame retardant coating 433 adopt material to be the brick one-tenth of high-alumina clay matter LZ-75, and clay flame retardant coating 434 adopts material to be the brick one-tenth of clayey N-1.The trapezoidal brick layer of described furnace wall 41 adopts the brick one-tenth of corundum carborundum, and furnace wall pressure arch brick layer 42 adopts material to be the brick one-tenth of high-alumina clay matter LZ-75, and clay furnace wall heat-insulation layer 44 adopts material to be the brick one-tenth of clayey N-1.
Specifically, described furnace wall outer wall has furnace wall insulating 45 and furnace wall air-permeable elastic layer 46, and described furnace wall insulating 45 is close to furnace shell plate 12 inwall, and described furnace wall air-permeable elastic layer 46 is close to furnace wall insulating 45 inwall.The material of furnace wall insulating 45 is asbestos, and the material of furnace wall air-permeable elastic layer 46 is clayey particle or high alumina particles.Furnace wall insulating 45 can reduce scattering and disappearing of stove intimate heat, and furnace wall air-permeable elastic layer 46 can prevent body of heater expanded by heating from exploding.
Specifically, described converter nose 31 is stokehole brick layer 32 with the furnace wall part of furnace wall junction.
Specifically, described furnace wall outermost layer has furnace wall reinforcement 11.Furnace wall reinforcement 11 can consolidate body of heater further, makes titanium slag furnace structure more firm.
Concrete, the building method of the open hearth bottom structure of titanium slag furnace disclosed in the utility model is as follows:
Furnace bottom furnace bottom is followed successively by furnace bottom insulating 21, furnace bottom air-permeable elastic layer 22, furnace bottom basal layer 23, furnace bottom flame retardant coating 24, furnace bottom high temperature flue flame retardant coating 25, retaining wall knotting layer 26 from bottom to up;
First on drop-bottom, first lay the furnace bottom insulating 21 of asbestos board matter, and require that docking is smooth, seam is tight;
Then, the furnace bottom air-permeable elastic layer 22 of clayey particle or elasticity High-Alumina particle matter is laid;
Then, the absolute altitude on contrast furnace shell asbestos board, strike off with scraper plate, and test with leveling device, whole height error is not more than 2mm;
Then, the clay brick of basal layer 23 and furnace bottom flame retardant coating 24 at the bottom of masonry heater, clay brick brickwork joint thickness is not more than 1mm;
After basal layer 23 at the bottom of masonry heater and furnace bottom flame retardant coating 24 have been built by laying bricks or stones, maintenance must be not less than one week, this is in order to dry clay and solidification refractory wass, and makes it reach design strength;
The preparation of the laying fireproof bricks of furnace bottom high temperature flue flame retardant coating 25 is carried out during clayey refractory masonry carries out natural drying, i.e. high temperature flue refractory brick at the bottom of pre-masonry heater, to test to the design size of refractory brick, brick size, therefrom find out Problems existing, and solve; Build by laying bricks or stones in advance and should carry out on dry spacious sclerosis terrace, strictly undertaken by design size, and carry out dimensional measurement, control by normal operational procedure, to carry out necessary processing according to building by laying bricks or stones in advance, and record the numbering of brick in detail, more formally build by laying bricks or stones; Between refractory fireclay block curing period, the remaining mortar on clay brick, dirt and other foreign material need be removed;
After checking that accreditation is qualified, start the furnace bottom high temperature flue laying fireproof bricks carrying out furnace bottom high temperature flue flame retardant coating 25; Guarantee that brickwork joint is filled closely knit, after qualified, can building by laying bricks or stones of next step furnace wall be carried out;
Finally to tie a knot layer 26 with refractory material retaining wall of tiing a knot in the junction of furnace bottom and furnace wall, the materials such as available carborundum or magnesia or High-Alumina.
Claims (8)
1. titanium slag furnace at the bottom of open hearth, comprise the body of heater be made up of furnace bottom and furnace wall, the furnace shell plate (12) of coated described body of heater, and the converter nose (31) be positioned on furnace wall, it is characterized in that: described furnace bottom is multi-layer flat bottom structure, furnace bottom is followed successively by furnace bottom insulating (21), furnace bottom air-permeable elastic layer (22), furnace bottom basal layer (23), furnace bottom flame retardant coating (24), furnace bottom high temperature flue flame retardant coating (25), retaining wall knotting layer (26) from bottom to up.
2. titanium slag furnace at the bottom of open hearth according to claim 1, is characterized in that: described furnace wall is followed successively by the trapezoidal brick layer of furnace wall (41), furnace wall pressure arch brick layer (42), composite brickwork heat-insulation layer (43), clay furnace wall heat-insulation layer (44) from bottom to up.
3. titanium slag furnace at the bottom of open hearth according to claim 2, it is characterized in that: described furnace wall outer wall has furnace wall insulating (45) and furnace wall air-permeable elastic layer (46), described furnace wall insulating (45) is close to furnace shell plate (12) inwall, and described furnace wall air-permeable elastic layer (46) is close to furnace wall insulating (45) inwall.
4. titanium slag furnace at the bottom of open hearth according to claim 3, it is characterized in that: described composite brickwork heat-insulation layer (43) has four layers from furnace wall inwall to outer wall, be followed successively by the first high-temperature flame-proof layer (431), the second high-temperature flame-proof layer (432), third high temperature flame retardant coating (433), clay flame retardant coating (434).
5. titanium slag furnace at the bottom of open hearth according to claim 4, is characterized in that: described converter nose (31) is stokehole brick layer (32) with the furnace wall part of furnace wall junction.
6. titanium slag furnace at the bottom of the open hearth according to claim arbitrary in claim 1 to 5, is characterized in that: described furnace wall outermost layer has furnace wall reinforcement (11).
7. titanium slag furnace at the bottom of open hearth according to claim 6, it is characterized in that: the material of described furnace bottom insulating (21) and furnace wall insulating (45) is asbestos, the material of described furnace bottom air-permeable elastic layer (22) and furnace wall air-permeable elastic layer (46) is clayey particle or high alumina particles, described furnace bottom basal layer (23) employing material is the brick one-tenth of clayey N-1, described furnace bottom flame retardant coating (24) and furnace bottom high temperature flue flame retardant coating (25) all adopt material be high-alumina clay matter LZ-75 brick become, the material of retaining wall knotting layer (26) is high-alumina clay matter.
8. titanium slag furnace at the bottom of open hearth according to claim 6, it is characterized in that: the trapezoidal brick layer of described furnace wall (41) adopts the brick one-tenth of corundum carborundum, furnace wall pressure arch brick layer (42), the first high-temperature flame-proof layer (431), the second high-temperature flame-proof layer (432), third high temperature flame retardant coating (433) adopt material to be the brick one-tenth of high-alumina clay matter LZ-75, clay flame retardant coating (434) and clay furnace wall heat-insulation layer (44) employing material be clayey N-1 brick become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760971.1U CN204329616U (en) | 2014-12-05 | 2014-12-05 | Titanium slag furnace at the bottom of open hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760971.1U CN204329616U (en) | 2014-12-05 | 2014-12-05 | Titanium slag furnace at the bottom of open hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204329616U true CN204329616U (en) | 2015-05-13 |
Family
ID=53165967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420760971.1U Expired - Fee Related CN204329616U (en) | 2014-12-05 | 2014-12-05 | Titanium slag furnace at the bottom of open hearth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204329616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998380A (en) * | 2020-07-30 | 2020-11-27 | 宜兴市鹏业耐火制品有限公司 | A flame retardant coating binding off structure for natural gas sulphur recovery unit boiler |
| CN112833672A (en) * | 2021-01-05 | 2021-05-25 | 商都中建金马冶金化工有限公司 | Submerged arc furnace |
-
2014
- 2014-12-05 CN CN201420760971.1U patent/CN204329616U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998380A (en) * | 2020-07-30 | 2020-11-27 | 宜兴市鹏业耐火制品有限公司 | A flame retardant coating binding off structure for natural gas sulphur recovery unit boiler |
| CN112833672A (en) * | 2021-01-05 | 2021-05-25 | 商都中建金马冶金化工有限公司 | Submerged arc furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104326758B (en) | A kind of high temperature resistant anti-thermal shock pipeline of iron-making heat wind furnace and preparation method thereof | |
| CN102249698B (en) | Blast furnace cooling wall laying brick | |
| CN204438753U (en) | Inner liner of rotary kiln structure | |
| CN103575103A (en) | Crucible used for producing slag wool, rock wool, glass ceramic and cast stone products in induction furnace | |
| CN204063959U (en) | A kind of liner of industry kiln structure | |
| CN204329616U (en) | Titanium slag furnace at the bottom of open hearth | |
| CN102249655A (en) | Ductile mullite brick for pipelines of hot blast stoves and manufacturing method thereof | |
| CN110822895A (en) | Fixed molten pool smelting furnace manufacturing process | |
| CN106595314A (en) | Rotary kiln liner structure and laying method | |
| CN104197717B (en) | A kind of aluminum alloy smelting furnace construction method with high nitrogen composite ceramics inner liner | |
| CN201785426U (en) | Industrial kiln car for sponge iron tunnel kiln production | |
| CN103788966A (en) | High-temperature resistant expansion joint for dry quenching | |
| CN101851692B (en) | Construction method for curing non-aqueous slurry at normal temperature in blast furnace | |
| CN204329610U (en) | The spherical bottom construction of titanium slag furnace and spherical furnace bottom titanium slag furnace | |
| CN202461500U (en) | Efficient thermal insulation structure of steel ladle for refining furnace | |
| CN108424989A (en) | A kind of blast furnace taphole region cooling structure | |
| CN109776079A (en) | High temperature resistant heat insulation refractory clay | |
| CN204373427U (en) | Central cooler hopper | |
| CN204881189U (en) | Ferronickel electric stove corrodes furnace lining structure with high adpedance | |
| CN202954052U (en) | Novel blast-furnace crucible | |
| CN203704649U (en) | Crucible used for induction furnace to produce products such as slag wool, mineral wool, microcrystalline glass andcast stones | |
| CN111560486A (en) | Blast furnace bottom building method for guiding furnace bottom to be in shape of boiler bottom | |
| JPS5917072B2 (en) | Massive refractories for hot-insertion repair | |
| CN204329576U (en) | Titanium slag furnace combination stove mouth structure | |
| CN201377985Y (en) | Coke CRI/CSR testing electric stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |