CN104313221A - Water-cooled iron storage type iron runner and cooling method thereof - Google Patents
Water-cooled iron storage type iron runner and cooling method thereof Download PDFInfo
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- CN104313221A CN104313221A CN201410543191.6A CN201410543191A CN104313221A CN 104313221 A CN104313221 A CN 104313221A CN 201410543191 A CN201410543191 A CN 201410543191A CN 104313221 A CN104313221 A CN 104313221A
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- water
- cooled
- iron
- cooled assembly
- iron runner
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- 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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a water-cooled iron storage type iron runner and a cooling method thereof, and belongs to the technical field of blast furnace iron tapping runners. A water-cooled assembly is arranged on the inner side wall of the front half section of an iron runner groove (close to an iron falling point of a blast furnace tap hole) and is in direct contact with a lining casting material; cooling water introduced from a blast furnace cooling water system is introduced into the water-cooled assembly to cool a lining on the side wall of the iron runner, the cooling water flowing out of the water-cooled assembly flows to a blast furnace platform circulating water collecting bowl to form a circulating water passage; and a temperature measurement monitoring system monitors the inlet water temperature and the outlet water temperature of the water-cooled assembly to judge the working state of the water-cooled assembly, so as to timely take necessary safety measures and prevent iron permeation blast accidents of the iron runner. The service life of the water-cooled iron storage type iron runner is greatly prolonged and can reach half a year or a longer time, and the effects of reducing cost, increasing benefits and reducing consumption and emission can be achieved.
Description
Technical field
The present invention relates to a kind of water-cooling type iron storing type iron runner and method of cooling, belong to blast furnace iron outlet groove technical field.
Background technology
Blast furnace tapping main channel is all adopt ramming refractory materials and non-irrigated ditch (non-iron storage type) structure in early days, and its work-ing life is very short, and maintenance is frequent, and labour intensity is large, and environmental pollution, high material consumption, also delays production.
Generally adopted the iron storing type iron runner of refractory castable cast afterwards, a large amount of molten iron is always stored in iron runner during tapping a blast furnace and in interval time of tapping a blast furnace, therefore temperature environment relative constancy residing for iron runner refractory materials, and to go out and the molten iron fallen impacts the molten iron buffering that the strength of bottom of trench is stored in bottom of trench from iron notch when tapping a blast furnace, too large impact can not be formed at the bottom of iron runner.After particularly explosion-proof fast baking mould material occurs, nearly all blast furnace, comprise the iron storing type iron runner only having the tap drain that taps a blast furnace of the medium and small blast furnace of an iron notch all to have employed mould material cast, the life-span of iron runner also extended to 2 ~ 3 months from original 1 ~ 2 week.
The major cause causing iron storing type iron runner to be damaged is that melting slag iron is to the erosion of iron runner liner refractory materials and wearing and tearing.Along with the technical progress of blast furnace relevant device, need the iron runner that a kind of life-span is longer, thus reduce production cost and labour intensity further.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of water-cooling type iron storing type iron runner and method of cooling, by arranging water-cooled assembly to reduce at iron runner sidewall and alleviating melting slag iron to the erosion of iron runner liner refractory materials and wearing and tearing, enable to extend to half a year or longer time the work-ing life of iron runner further, realize cost efficiency and consumption reduction reduction of discharging.
A kind of water-cooling type iron storing type iron runner, comprises iron storing type iron runner, water-cooled assembly and temperature detection monitoring device, and iron storing type iron runner connects blast furnace; Iron runner left side structure is that water-cooled assembly is placed in iron runner groove first half section inside sidewalls, directly contacts with inner lining pouring material; Inlet channel, the outlet conduit of circulation waterway connect water-cooled assembly; Recirculated water collection bucket connects inlet channel, outlet conduit and temperature detection monitoring device; Multiple water-cooled assembly composition platoon, platoon is placed in iron runner groove first half section inside sidewalls;
Iron runner right side structure is identical with iron runner left side structure.
Water-cooled assembly comprises water pipe, sintering metal pour mass and metal backing, and water pipe to be layed on metal backing and to be embedded in sintering metal pour mass, and water pipe is S type coiling connection metal backboard; One end of water pipe connects water-cooled assembly water-in, and the other end of water pipe connects water-cooled assembly water outlet; The temperature sensor of temperature detection monitoring device is arranged on water-cooled assembly water-in and water-cooled water outlet respectively; Water-cooled assembly water-in connects inlet channel, and water-cooled water outlet connects outlet conduit.
Water-cooled assembly or comprise water pipe, sintering metal pour mass and cast steel (or cast iron) part, water pipe is embedded in cast steel (or cast iron) part; One end of water pipe connects water-cooled assembly water-in, and the other end of water pipe connects water-cooled assembly water outlet; The temperature sensor of temperature detection monitoring device is arranged on water-cooled assembly water-in and water-cooled water outlet respectively; Water-cooled assembly water-in connects inlet channel, and water-cooled water outlet connects outlet conduit.
The water coolant attracted from blast-furnace cooled water system is attached to water-cooled assembly water-in by steel pipe or flexible pipe, flow after iron runner sidewall liner is cooled in water pipe, flow out from water-cooled assembly water outlet, be connected to the recirculated water collection bucket of blast furnace platform finally by the inlet channel of steel pipe or flexible pipe, outlet conduit, form circulation waterway.
The sintering metal pour mass of water-cooled assembly is formed by refractory material casting, wherein containing the steel fiber of 10 ~ 40% parts by weight and the refractory materials of 60 ~ 90% parts by weight; Water-cooled assembly is thickness is 100 ~ 500mm, width is 500 ~ 2000mm, be highly the rectangular block of 400 ~ 1500mm, total length is 3 meters; Water route coupled in series between multiple water-cooled assembly.
Water route between multiple water-cooled assembly connects employing serial or parallel connection mode.
Water-cooled assembly emphasis is arranged in tap drain and falls iron spot two lateral sulcus side, and the total length of water-cooled assembly is preferably 1 ~ 8 meter.
A kind of water-cooling type iron storing type iron runner method of cooling, containing following steps;
Water-cooled assembly is placed in iron runner groove (falling iron spot near blast furnace iron notch) first half section inside sidewalls, directly contacts with inner lining pouring material; The water coolant attracted from blast-furnace cooled water system is introduced into water-cooled assembly and cools iron runner sidewall liner, and the water coolant flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; By inflow temperature and the leaving water temperature(LWT) of temperature detection monitoring system monitoring water-cooled assembly, to judge the working order of water-cooled assembly, thus take necessary security measures in time, prevent iron runner and ooze iron explosion hazard.
The invention has the advantages that, by arranging water-cooled assembly at iron runner sidewall, the heat of iron runner sidewall inner lining refractory is taken away with recirculated cooling water, increase the thermograde in ditch lining, make 1150 DEG C of solidifying iron isothermal surfaces more near ditch lining working face (meeting untouchable), working face is made to serve as a contrast the slag crust that congeals into, protection even replaces inner lining refractory, improve the Working environment of iron runner refractory materials, thus reduce the erosion of slag iron to refractory materials, increase substantially the work-ing life of refractory materials, make to reach half a year or longer time the work-ing life of iron runner, realize cost efficiency and consumption reduction reduction of discharging.In addition, the present invention by realizing the monitoring of the Inlet and outlet water temperature difference inferring the analysis of ditch lining damage situation, thus more effectively prevents iron runner from leaking iron.Raise rapidly if the Inlet and outlet water temperature difference has in the short period of time, then illustrate that the hot-fluid passed on water-cooled assembly through ditch lining refractories has a greater change, ditch lining refractories possibility local is thinner or occur hole or localized cracks, and the rapid change prompting of this temperature difference needs to carry out necessary maintenance to iron runner refractory materials.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is the one-piece construction schematic diagram of water-cooling type iron storing type iron runner of the present invention.
Fig. 2 is one of the structure of water-cooled assembly of the present invention schematic diagram.
Fig. 3 is two schematic diagram of the structure of water-cooled assembly of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-cooling type iron storing type iron runner, comprise iron storing type iron runner 1, water-cooled assembly 2 and temperature detection monitoring device 7, iron storing type iron runner 1 connects blast furnace 6; Iron runner left side structure is that water-cooled assembly 2 is placed in iron runner 1 groove first half section inside sidewalls, directly contacts with inner lining pouring material; Inlet channel 3, the outlet conduit 4 of circulation waterway connect water-cooled assembly 2; Recirculated water collection bucket 5 connects inlet channel 3, outlet conduit 4 and temperature detection monitoring device 7; Multiple water-cooled assembly 2 forms platoon, and platoon is placed in iron runner 1 groove first half section inside sidewalls;
Iron runner right side structure is identical with iron runner left side structure;
Water-cooled assembly 2 comprises water pipe 21, sintering metal pour mass 22 and metal backing 23, and water pipe 21 to be layed on metal backing 23 and to be embedded in sintering metal pour mass 22, and water pipe 21 is S type coiling connection metal backboard 23; One end of water pipe 21 connects water-cooled assembly water-in 24, and the other end of water pipe 21 connects water-cooled assembly water outlet 25; The temperature sensor of temperature detection monitoring device 7 is arranged on water-cooled assembly water-in 24 and water-cooled water outlet 25 place respectively; Water-cooled assembly water-in 24 connects inlet channel 3, and water-cooled water outlet 25 connects outlet conduit 4.
Another form of water-cooled assembly 2 is: comprise water pipe 21, sintering metal pour mass 22 and cast steel (or cast iron) part 26, and water pipe 21 is embedded in cast steel (or cast iron) part 26; One end of water pipe 21 connects water-cooled assembly water-in 24, and the other end of water pipe 21 connects water-cooled assembly water outlet 25; The temperature sensor of temperature detection monitoring device 7 is arranged on water-cooled assembly water-in 24 and water-cooled water outlet 25 place respectively; Water-cooled assembly water-in 24 connects inlet channel 3, and water-cooled water outlet 25 connects outlet conduit 4 (see Fig. 3).
The water coolant attracted from blast-furnace cooled water system is attached to water-cooled assembly water-in 24 by steel pipe or flexible pipe, flow after iron runner sidewall liner is cooled in water pipe 21, flow out from water-cooled assembly water outlet 25, be connected to the recirculated water collection bucket 5 of blast furnace platform finally by the inlet channel 3 of steel pipe or flexible pipe, outlet conduit 4, form circulation waterway.
The sintering metal pour mass 22 of water-cooled assembly 2 is formed by refractory material casting, wherein containing the steel fiber of 40% parts by weight and the refractory materials of 60% parts by weight.Water-cooled assembly 2 is the rectangular block of thickness 300mm, width 1000mm, height 1000mm, and total length is 3 meters.Water route coupled in series between multiple water-cooled assembly 2.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-cooling type iron storing type iron runner, in another embodiment of the present invention, the structure of water-cooling type iron storing type iron runner is identical with embodiment 1.The sintering metal pour mass of water-cooled assembly is formed by refractory material casting, wherein containing the steel fiber of 10% parts by weight and the refractory materials of 90% parts by weight.Water-cooled assembly is the rectangular block of thickness 100mm, width 2000mm, height 500mm, is paved with the whole length space of iron runner sidewall, realizes tap drain overall length water-cooled.Water route parallel connection between multiple water-cooled assembly.
Embodiment 3: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-cooling type iron storing type iron runner, comprises iron storing type iron runner, water-cooled assembly, circulation waterway and temperature detection monitoring system; Water-cooled assembly is placed in iron runner groove first half section inside sidewalls, directly contacts with inner lining pouring material; From blast-furnace cooled water system, water coolant is introduced water-cooled assembly to cool iron runner sidewall liner, the water coolant flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; Intake and the temperature of water outlet by temperature detection monitoring system monitoring water-cooled assembly.
Water-cooled assembly comprises water pipe, sintering metal pour mass and metal backing, and water pipe to be layed on metal backing and to be embedded in sintering metal pour mass.Water coolant is attached to water-cooled assembly water-in by steel pipe or flexible pipe, flows to cool iron runner sidewall liner in water pipe, then via water-cooled assembly water outlet by steel pipe or hose connection to blast furnace platform loop water collection bucket.The sintering metal pour mass of water-cooled assembly is formed by refractory material casting, wherein containing the steel fiber of 10 ~ 40% parts by weight and the refractory materials of 60 ~ 90% parts by weight.
Water-cooled assembly is preferably platy structure.Water-cooled assembly preferred thickness is 100 ~ 500mm, width is 500 ~ 2000mm, be highly the rectangular block of 400 ~ 1500mm.Water route between multiple water-cooled assembly connects employing serial or parallel connection mode.Water-cooled assembly emphasis is arranged in tap drain and falls iron spot two lateral sulcus side, and the total length of water-cooled assembly is preferably 1 ~ 8 meter.
Embodiment 4: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-cooling type iron storing type iron runner, comprises iron storing type iron runner, water-cooled assembly, circulation waterway and temperature detection monitoring system.The basic structure of iron storing type iron runner is identical with now general iron storing type iron runner structure.One group of water-cooled assembly is placed in iron runner groove (falling iron spot near blast furnace iron notch) first half section inside sidewalls, directly contacts with inner lining pouring material.The water coolant attracted from blast-furnace cooled water system is introduced into water-cooled assembly and cools iron runner sidewall liner, and the water coolant flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway.By inflow temperature and the leaving water temperature(LWT) of temperature detection monitoring system monitoring water-cooled assembly, to judge the working order of water-cooled assembly, thus take necessary security measures in time, prevent iron runner and ooze iron explosion hazard.
Water-cooled assembly comprises water pipe, sintering metal pour mass and metal backing, and water pipe to be layed on metal backing and to be embedded in sintering metal pour mass.The water coolant attracted from blast-furnace cooled water system is attached to the water-in of water-cooled assembly by steel pipe or flexible pipe, flow in the water pipe that water-cooled component internal is buried underground thus iron runner sidewall liner is cooled, water outlet again via water-cooled assembly passes through steel pipe or hose connection to blast furnace platform loop water collection bucket, forms circulation waterway.
The sintering metal pour mass of water-cooled assembly is formed by refractory material casting, wherein containing the steel fiber of 10 ~ 40% parts by weight and the refractory materials of 60 ~ 90% parts by weight, has high temperature resistant, high heat conduction and high resistance folding characteristic not easy to crack concurrently.
The preferred platy structure of water-cooled assembly, preferred thickness is 100 ~ 500mm, width is 500 ~ 2000mm, be highly the rectangular block of 400 ~ 1500mm.Water route between multiple water-cooled assembly connects employing serial or parallel connection mode.The total length of water-cooled assembly is preferably 1 ~ 8 meter, also can be longer, even close to tap drain overall length, thus realizes tap drain overall length water-cooled.
Temperature detection monitoring system comprises the temperature sensor being arranged on water-cooled assembly water-in and water outlet respectively.The monitoring of the working face temperature to every block water-cooled assembly can also be increased if desired.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (8)
1. a water-cooling type iron storing type iron runner, is characterized in that: comprise iron storing type iron runner, water-cooled assembly and temperature detection monitoring device, and iron storing type iron runner connects blast furnace; Iron runner left side structure is that water-cooled assembly is placed in iron runner groove first half section inside sidewalls, directly contacts with inner lining pouring material; Inlet channel, the outlet conduit of circulation waterway connect water-cooled assembly; Recirculated water collection bucket connects inlet channel, outlet conduit and temperature detection monitoring device; Multiple water-cooled assembly composition platoon, platoon is placed in iron runner groove first half section inside sidewalls;
Iron runner right side structure is identical with iron runner left side structure.
2. water-cooling type iron storing type iron runner according to claim 1, it is characterized in that water-cooled assembly comprises water pipe, sintering metal pour mass and metal backing, water pipe to be layed on metal backing and to be embedded in sintering metal pour mass, and water pipe is S type coiling connection metal backboard; One end of water pipe connects water-cooled assembly water-in, and the other end of water pipe connects water-cooled assembly water outlet; The temperature sensor of temperature detection monitoring device is arranged on water-cooled assembly water-in and water-cooled water outlet respectively; Water-cooled assembly water-in connects inlet channel, and water-cooled water outlet connects outlet conduit.
3. water-cooling type iron storing type iron runner according to claim 1, it is characterized in that water-cooled assembly comprises water pipe, sintering metal pour mass and cast steel (or cast iron) part, water pipe is embedded in cast steel (or cast iron) part; One end of water pipe connects water-cooled assembly water-in, and the other end of water pipe connects water-cooled assembly water outlet; The temperature sensor of temperature detection monitoring device is arranged on water-cooled assembly water-in and water-cooled water outlet respectively; Water-cooled assembly water-in connects inlet channel, and water-cooled water outlet connects outlet conduit.
4. the water-cooling type iron storing type iron runner according to Claims 2 or 3, it is characterized in that the water coolant attracted from blast-furnace cooled water system is attached to water-cooled assembly water-in by steel pipe or flexible pipe, flow after iron runner sidewall liner is cooled in water pipe, flow out from water-cooled assembly water outlet, be connected to the recirculated water collection bucket of blast furnace platform finally by the inlet channel of steel pipe or flexible pipe, outlet conduit, form circulation waterway.
5. the water-cooling type iron storing type iron runner according to Claims 2 or 3, is characterized in that the sintering metal pour mass of water-cooled assembly is formed by refractory material casting, wherein containing the steel fiber of 10 ~ 40% parts by weight and the refractory materials of 60 ~ 90% parts by weight; Water-cooled assembly is thickness is 100 ~ 500mm, width is 500 ~ 2000mm, be highly the rectangular block of 400 ~ 1500mm, total length is 3 meters; Water route coupled in series between multiple water-cooled assembly.
6. water-cooling type iron storing type iron runner according to claim 1, is characterized in that, the water route between multiple water-cooled assembly connects employing serial or parallel connection mode.
7. water-cooling type iron storing type iron runner according to claim 1, is characterized in that, water-cooled assembly emphasis is arranged in tap drain and falls iron spot two lateral sulcus side, and the total length of water-cooled assembly is preferably 1 ~ 8 meter.
8. a water-cooling type iron storing type iron runner method of cooling, containing following steps;
Water-cooled assembly is placed in iron runner groove (falling iron spot near blast furnace iron notch) first half section inside sidewalls, directly contacts with inner lining pouring material; The water coolant attracted from blast-furnace cooled water system is introduced into water-cooled assembly and cools iron runner sidewall liner, and the water coolant flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; By inflow temperature and the leaving water temperature(LWT) of temperature detection monitoring system monitoring water-cooled assembly, to judge the working order of water-cooled assembly, thus take necessary security measures in time, prevent iron runner and ooze iron explosion hazard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410543191.6A CN104313221B (en) | 2014-10-14 | 2014-10-14 | A kind of water-cooling type iron storing type iron runner and cooling means |
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| CN201410543191.6A CN104313221B (en) | 2014-10-14 | 2014-10-14 | A kind of water-cooling type iron storing type iron runner and cooling means |
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| CN104313221B CN104313221B (en) | 2016-06-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105420433A (en) * | 2015-11-17 | 2016-03-23 | 南京联合荣大工程材料有限责任公司 | High-temperature chute with cooling function and cooling method thereof |
| CN106367551A (en) * | 2016-10-14 | 2017-02-01 | 南京联合荣大工程材料有限责任公司 | Main channel water-cooling device of blast furnace tapping channel and mounting and utilizing method |
| CN107447067A (en) * | 2017-09-29 | 2017-12-08 | 四川德胜集团钒钛有限公司 | A kind of blast furnace cleek provided with water cooling device |
| CN114813824A (en) * | 2022-03-19 | 2022-07-29 | 苏州创鑫激光科技有限公司 | Device and method for testing thermal conductivity of gain optical fiber glue-pouring package |
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| CN114813824A (en) * | 2022-03-19 | 2022-07-29 | 苏州创鑫激光科技有限公司 | Device and method for testing thermal conductivity of gain optical fiber glue-pouring package |
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|---|---|
| CN104313221B (en) | 2016-06-15 |
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Address after: 101400, No. 9, Long Yun Road, Jingwei Industrial Zone, North Housing Town, Huairou District, Beijing Patentee after: Beijing United Rong Da engineering materials Limited by Share Ltd Address before: 101400, No. 9, Long Yun Road, North Housing Development Zone, Huairou District, Beijing Patentee before: Beijing Allied Rongda Engineering Material Co., Ltd. |