CN104313221B - A kind of water-cooling type iron storing type iron runner and cooling means - Google Patents
A kind of water-cooling type iron storing type iron runner and cooling means Download PDFInfo
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- CN104313221B CN104313221B CN201410543191.6A CN201410543191A CN104313221B CN 104313221 B CN104313221 B CN 104313221B CN 201410543191 A CN201410543191 A CN 201410543191A CN 104313221 B CN104313221 B CN 104313221B
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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
A kind of water-cooling type iron storing type iron runner and cooling means, belong to blast furnace iron outlet groove technical field. 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 cooling water attracted from blast-furnace cooled water system is introduced into water-cooled assembly and iron runner sidewall liner is cooled down, and the cooling water flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; By the inflow temperature of temperature detection monitoring system monitoring water-cooled assembly and leaving water temperature, to judge the duty of water-cooled assembly, thus taking the safety measure of necessity in time, it is prevented that occur iron runner to ooze ferrum explosion accident. The water-cooling type iron storing type iron runner of the present invention substantially prolongs service life, it is possible to reaches half a year or longer time, it is possible to realize cost efficiency and consumption reduction reduces discharging.
Description
Technical field
The present invention relates to a kind of water-cooling type iron storing type iron runner and cooling means, belong to blast furnace iron outlet groove technical field.
Background technology
Blast furnace tapping main channel early stage is all adopt ramming refractory material and drought ditch (non-iron storage type) structure, and its service life is very short, and frequently, labor intensity is big, environmental pollution in maintenance, and high material consumption also delays production.
The iron storing type iron runner of commonly used castable refractory cast later, substantial amounts of molten iron is always stored in iron runner in period and interval time of tapping a blast furnace tapping a blast furnace, therefore temperature environment relative constancy residing for iron runner refractory material, and the strength of the molten iron impact bottom of trench gone out from tapping hole when tapping a blast furnace and fall is stored in the molten iron buffering of bottom of trench, will not to forming too big impact at the bottom of iron runner. After particularly explosion-proof fast baking castable occurs, almost all of blast furnace, the tap drain that taps a blast furnace including the medium and small blast furnace of only one of which tapping hole all have employed the iron storing type iron runner that castable is poured into a mould, and the life-span of iron runner also extended to 2～3 months from original 1～2 week.
Cause that the main cause that iron storing type iron runner is damaged is liquid slag ferrum to the erosion of iron runner liner refractory material and abrasion. Technological progress along with blast furnace relevant device, it is necessary to the iron runner that a kind of life-span is longer, thus reducing production cost and labor intensity further.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of water-cooling type iron storing type iron runner and cooling means, reduce and alleviate liquid slag ferrum to the erosion of iron runner liner refractory material and abrasion by arranging water-cooled assembly at iron runner sidewall, extend to half a year or longer time the service life enabling iron runner further, it is achieved cost efficiency and consumption reduction reduce discharging.
A kind of water-cooling type iron storing type iron runner, including iron storing type iron runner, water-cooled assembly and temperature detection monitoring device, 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; The inlet channel of circulation waterway, outlet conduit connect water-cooled assembly; Recirculated water collection bucket connects inlet channel, outlet conduit and temperature detection monitoring device; Multiple water-cooled assemblies 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 includes water pipe, ceramic metal pour mass and metal backing, and water pipe is layed on metal backing and is embedded in ceramic metal pour mass, and water pipe is that the coiling of S type connects metal backing; One end of water pipe connects water-cooled assembly water inlet, and the other end of water pipe connects water-cooled assembly outlet; The temperature sensor of temperature detection monitoring device is separately mounted to water-cooled assembly water inlet and water-cooled water outlet; Water-cooled assembly water inlet connects inlet channel, and water-cooled outlet connects outlet conduit.
Water-cooled assembly or include water pipe, ceramic 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 inlet, and the other end of water pipe connects water-cooled assembly outlet; The temperature sensor of temperature detection monitoring device is separately mounted to water-cooled assembly water inlet and water-cooled water outlet; Water-cooled assembly water inlet connects inlet channel, and water-cooled outlet connects outlet conduit.
The cooling water attracted from blast-furnace cooled water system is attached to water-cooled assembly water inlet by steel pipe or flexible pipe, water pipe flow after iron runner sidewall liner is cooled down, flow out from water-cooled assembly outlet, it is connected to the recirculated water collection bucket of blast furnace platform finally by steel pipe or the inlet channel of flexible pipe, outlet conduit, forms circulation waterway.
The ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 10～40% parts by weight and the refractory material of 60～90% parts by weight; Water-cooled assembly is thickness to be 100～500mm, width be 500～2000mm, being highly the rectangular block of 400～1500mm, total length is 3 meters; Water route coupled in series between multiple water-cooled assemblies.
Water route between multiple water-cooled assemblies couples 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 cooling means, 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 cooling water attracted from blast-furnace cooled water system is introduced into water-cooled assembly and iron runner sidewall liner is cooled down, and the cooling water flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; By the inflow temperature of temperature detection monitoring system monitoring water-cooled assembly and leaving water temperature, to judge the duty of water-cooled assembly, thus taking the safety measure of necessity in time, it is prevented that occur iron runner to ooze ferrum explosion accident.
It is an advantage of the current invention 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, 1150 DEG C of solidifying ferrum isothermal levels are made to serve as a contrast work surface (meeting untouchable) closer to ditch, work surface 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 material, thus reducing the erosion to refractory material of the slag ferrum, increase substantially the service life of refractory material, reach half a year or longer time the service life making iron runner, realize cost efficiency and consumption reduction reduces discharging.It addition, the present invention infers by the monitoring of the Inlet and outlet water temperature difference can realize ditch is served as a contrast the analysis of damage situation, prevent iron runner leakage ferrum thus more effective. If the Inlet and outlet water temperature difference has rapid rising 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 is likely to locally relatively thin or hole or localized cracks occurs, and the prompting of change rapidly of this temperature difference needs iron runner refractory material is carried out the maintenance of necessity.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, can more completely be more fully understood that the present invention and easily learn the advantage that many of which is adjoint, but accompanying drawing described herein is used for providing a further understanding of the present invention, constitute the part of the present invention, the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention, such as figure wherein:
Fig. 1 is the overall structure schematic diagram of the water-cooling type iron storing type iron runner of the present invention.
Fig. 2 is one of the structure of water-cooled assembly of present invention schematic diagram.
Fig. 3 is two schematic diagrams of the structure of the water-cooled assembly of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on the objective 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, including 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; The inlet channel 3 of circulation waterway, outlet conduit 4 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 assemblies 2 form 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 includes water pipe 21, ceramic metal pour mass 22 and metal backing 23, and water pipe 21 is layed on metal backing 23 and is embedded in ceramic metal pour mass 22, and water pipe 21 connects metal backing 23 for the coiling of S type; One end of water pipe 21 connects water-cooled assembly water inlet 24, and the other end of water pipe 21 connects water-cooled assembly outlet 25; The temperature sensor of temperature detection monitoring device 7 is separately mounted to water-cooled assembly water inlet 24 and water-cooled outlet 25 place; Water-cooled assembly water inlet 24 connects inlet channel 3, and water-cooled outlet 25 connects outlet conduit 4.
Another form of water-cooled assembly 2 is: include water pipe 21, ceramic 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 inlet 24, and the other end of water pipe 21 connects water-cooled assembly outlet 25; The temperature sensor of temperature detection monitoring device 7 is separately mounted to water-cooled assembly water inlet 24 and water-cooled outlet 25 place; Water-cooled assembly water inlet 24 connects inlet channel 3, and water-cooled outlet 25 connects outlet conduit 4 (see Fig. 3).
The cooling water attracted from blast-furnace cooled water system is attached to water-cooled assembly water inlet 24 by steel pipe or flexible pipe, water pipe 21 flow after iron runner sidewall liner is cooled down, flow out from water-cooled assembly outlet 25, it is 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, forms circulation waterway.
The ceramic metal pour mass 22 of water-cooled assembly 2 is formed by refractory material casting, wherein contains the metallic fiber of 40% parts by weight and the refractory material 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 assemblies 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 ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 10% parts by weight and the refractory material 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, it is achieved tap drain overall length water-cooled. Water route parallel connection between multiple water-cooled assemblies.
Embodiment 3: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-cooling type iron storing type iron runner, including 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, cooling water being introduced water-cooled assembly iron runner sidewall liner is cooled down, the cooling water flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; Temperature by the water inlet of temperature detection monitoring system monitoring water-cooled assembly and water outlet.
Water-cooled assembly includes water pipe, ceramic metal pour mass and metal backing, and water pipe is layed on metal backing and is embedded in ceramic metal pour mass. Cooling water is attached to water-cooled assembly water inlet by steel pipe or flexible pipe, flows iron runner sidewall liner is cooled down in water pipe, passes through steel pipe or hose connection to blast furnace platform loop water collection bucket then through by water-cooled assembly outlet. The ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 10～40% parts by weight and the refractory material 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 assemblies couples 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, including 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 iron storing type iron runner structure generally used now. 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 cooling water attracted from blast-furnace cooled water system is introduced into water-cooled assembly and iron runner sidewall liner is cooled down, and the cooling water flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway. By the inflow temperature of temperature detection monitoring system monitoring water-cooled assembly and leaving water temperature, to judge the duty of water-cooled assembly, thus taking the safety measure of necessity in time, it is prevented that occur iron runner to ooze ferrum explosion accident.
Water-cooled assembly includes water pipe, ceramic metal pour mass and metal backing, and water pipe is layed on metal backing and is embedded in ceramic metal pour mass.The water that cools down attracted from blast-furnace cooled water system is attached to the water inlet of water-cooled assembly by steel pipe or flexible pipe, in the water pipe that water-cooled component internal is buried underground, flowing is thus cooling down iron runner sidewall liner, then through being passed through steel pipe by the outlet of water-cooled assembly or hose connection to blast furnace platform loop water collection bucket, form circulation waterway.
The ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 10～40% parts by weight and the refractory material of 60～90% parts by weight, has heat conduction high temperature resistant, high concurrently and high resistance rolls over characteristic not easy to crack.
The preferred platy structure of water-cooled assembly, it is preferable that thickness is 100～500mm, width is 500～2000mm, be highly the rectangular block of 400～1500mm. Water route between multiple water-cooled assemblies couples employing serial or parallel connection mode. The total length of water-cooled assembly is preferably 1～8 meter, it is also possible to longer, even close to tap drain overall length, thus realizing tap drain overall length water-cooled.
Temperature detection monitoring system includes the temperature sensor being separately mounted to water-cooled assembly water inlet and water outlet. The monitoring of the work surface temperature to every piece of water-cooled assembly can also be increased if desired.
As it has been described above, embodiments of the invention have been explained, but as long as can have a lot of deformation essentially without the inventive point and effect that depart from the present invention, this will be readily apparent to persons skilled in the art. Therefore, such variation is also integrally incorporated within protection scope of the present invention.
Claims (6)
1. a water-cooling type iron storing type iron runner, it is characterised in that: including iron storing type iron runner, water-cooled assembly and temperature detection monitoring device, 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; The inlet channel of circulation waterway, outlet conduit connect water-cooled assembly; Recirculated water collection bucket connects inlet channel, outlet conduit and temperature detection monitoring device; Multiple water-cooled assemblies 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 includes water pipe, ceramic metal pour mass and metal backing, and water pipe is layed on metal backing and is embedded in ceramic metal pour mass, and water pipe is that the coiling of S type connects metal backing; One end of water pipe connects water-cooled assembly water inlet, and the other end of water pipe connects water-cooled assembly outlet; The temperature sensor of temperature detection monitoring device is separately mounted to water-cooled assembly water inlet and water-cooled water outlet; Water-cooled assembly water inlet connects inlet channel, and water-cooled outlet connects outlet conduit;
The ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 40% parts by weight and the refractory material of 60% parts by weight; Water-cooled assembly is thickness to be 100～500mm, width be 500～2000mm, being highly the rectangular block of 400～1500mm, total length is 3 meters; Water route coupled in series between multiple water-cooled assemblies.
2. a kind of water-cooling type iron storing type iron runner according to claim 1, it is characterised in that water-cooled assembly includes water pipe, ceramic metal pour mass and cast steel or ironcasting, and water pipe is embedded in cast steel or ironcasting; One end of water pipe connects water-cooled assembly water inlet, and the other end of water pipe connects water-cooled assembly outlet; The temperature sensor of temperature detection monitoring device is separately mounted to water-cooled assembly water inlet and water-cooled water outlet;Water-cooled assembly water inlet connects inlet channel, and water-cooled outlet connects outlet conduit.
3. a kind of water-cooling type iron storing type iron runner according to claim 2, it is characterized in that the cooling water attracted from blast-furnace cooled water system is attached to water-cooled assembly water inlet by steel pipe or flexible pipe, water pipe flow after iron runner sidewall liner is cooled down, flow out from water-cooled assembly outlet, it is connected to the recirculated water collection bucket of blast furnace platform finally by steel pipe or the inlet channel of flexible pipe, outlet conduit, forms circulation waterway.
4. a kind of water-cooling type iron storing type iron runner according to claim 1, it is characterised in that the water route between multiple water-cooled assemblies couples employing serial or parallel connection mode.
5. a kind of water-cooling type iron storing type iron runner according to claim 1, it is characterised in that water-cooled assembly emphasis is arranged in tap drain and falls iron spot two lateral sulcus side.
6. the cooling means of the use a kind of water-cooling type iron storing type iron runner described in claim 1, containing following steps;
The ceramic metal pour mass of water-cooled assembly is formed by refractory material casting, wherein contains the metallic fiber of 40% parts by weight and the refractory material of 60% parts by weight;
Water-cooled assembly is placed in iron runner groove, the first half section inside sidewalls of the iron spot that falls near blast furnace iron notch, directly contacts with inner lining pouring material; The cooling water attracted from blast-furnace cooled water system is introduced into water-cooled assembly and iron runner sidewall liner is cooled down, and the cooling water flowing out water-cooled assembly flow to blast furnace platform loop water collection bucket again, forms circulation waterway; By the inflow temperature of temperature detection monitoring system monitoring water-cooled assembly and leaving water temperature, to judge the duty of water-cooled assembly, thus taking the safety measure of necessity in time, it is prevented that occur iron runner to ooze ferrum explosion accident.
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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 true CN104313221B (en) | 2016-06-15 |
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Families Citing this family (3)
| 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 |
| CN106367551B (en) * | 2016-10-14 | 2019-04-05 | 南京联合荣大工程材料有限责任公司 | A kind of blast furnace iron outlet groove tap drain water cooling device and installation and application |
| 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 |
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2014
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| CN1761635A (en) * | 2003-02-07 | 2006-04-19 | 联合矿物产品公司 | Crack-resistant dry refractory |
| CN201106055Y (en) * | 2007-10-29 | 2008-08-27 | 巩义市顺祥耐材有限公司 | Tapping groove of blast furnace |
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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. |