CN209778914U - Blast furnace cavity type water-cooling slag runner - Google Patents
Blast furnace cavity type water-cooling slag runner Download PDFInfo
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- CN209778914U CN209778914U CN201822153269.XU CN201822153269U CN209778914U CN 209778914 U CN209778914 U CN 209778914U CN 201822153269 U CN201822153269 U CN 201822153269U CN 209778914 U CN209778914 U CN 209778914U
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Abstract
The utility model discloses a blast furnace cavity formula water-cooling slag runner, which comprises a body, be provided with the cooler bin on the body, be provided with the butt layer of avoiding high temperature sediment to corrode the inside lining on the water tank, the butt layer and the cooler bin all is "concave" style of calligraphy, offer the total import and the total export that are used for the cooling water to flow on the cooler bin, total import and total export all is located keep away from in on the cooler bin one side of body. Through the technical scheme, the blast furnace cavity type water-cooled slag runner is safe, free of leakage, capable of saving slag runner castable materials and capable of reducing the labor intensity in front of the blast furnace.
Description
Technical Field
The utility model relates to the technical field of metallurgical blast furnace ironmaking furnace, in particular to a blast furnace cavity type water-cooling slag runner.
Background
The components such as CaO, SiO2, Al2O3, MgO and the like contained in the ore and the coke are smelted in an iron-making blast furnace and then discharged out of the blast furnace in a certain proportion. The slag runner is generally poured in domestic blast furnaces, the quantity of slag is increased rapidly along with the influence of factors such as the increase of smelting intensity and the reduction of the grade of raw fuel ore, the quality requirement on the slag runner is higher and higher, particularly, when one-side tapping is carried out, the problem of pouring the slag runner is exposed continuously, long-time one-side uninterrupted tapping is mainly carried out, the corrosion of the slag runner is accelerated, the maintenance is not facilitated, the burning-through of the slag runner is easily caused, and the abnormal overflow safety accident of the slag runner frequently occurs.
In order to solve the problems, the Chinese patent with the application publication number of CN204802830U provides a water-cooling closed slag runner. The water-cooled closed slag runner comprises a slag runner body, a slag runner cover, a water inlet main pipe and a water outlet main pipe; the main water inlet pipe and the main water outlet pipe are arranged outside the slag runner body, the bottom of the slag runner body is provided with a plurality of cooling water channels along the length direction, the water inlet ends of the cooling water channels are connected with the main water inlet pipe, the water outlet ends are connected with the main water outlet pipe, the lower portion of the slag runner cover is fixed with a cooling water pipe, the water inlet ends of the cooling water pipes are connected with the main water inlet pipe, the water outlet ends are connected with the main water outlet pipe, and the slag runner cover is installed on the slag runner body and used for plugging the slag runner. The airtight slag runner of water-cooling among the above-mentioned technical scheme can make the top layer slag on the slag runner body solidify and form the protective skull through setting up cooling water course, cooling water pipe and slag runner lid, reduces the erodeing and the erosion of high temperature sediment to the slag runner body, prolongs the life of slag runner, and reduction in production cost utilizes the high temperature that slag runner lid can reduce the slag runner to expose simultaneously, prevents the blast furnace slag spill, avoids the emergence of incident.
The above prior art solutions have the following drawbacks: the addition of slag ditch lid is unfavorable for the heat dissipation of high temperature sediment, and the erosion of high temperature sediment to the slag ditch inside lining is severe.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a blast furnace cavity formula water-cooling cinder notch, its blast furnace cavity formula water-cooling cinder notch that has safety and does not wear to leak, reduces stokehold intensity of labour.
The utility model discloses a can realize through following technical scheme:
The utility model provides a blast furnace cavity formula water-cooling slag runner, includes the body, be provided with the cooler bin on the body, be provided with the butt layer of avoiding high temperature sediment to corrode the inside lining on the cooler bin, the butt layer and the cooler bin all is "concave" style of calligraphy, set up the total import and the total export that are used for the cooling water to flow on the cooler bin, total import and the total export all is located keep away from on the cooler bin in one side of body.
Through adopting above-mentioned technical scheme, place the cooler bin in the body top, be provided with total import and total export on the cooler bin, the cooling water flows and takes away the heat in the cooler bin, the butt layer that sets up on the cooler bin, the high temperature sediment flows at the position that the butt layer is recessed, ensure that the cooler bin wall is not corroded by the high temperature sediment, and flow into and give the process that the heat transfer was realized to the high temperature sediment on the butt layer from total import at the cooling water, cool down the processing to the high temperature sediment, improve the life of butt layer and body.
Further setting the following steps: the butt layer is piled up each other by a plurality of groups carbon brick piece and is constituteed, carbon brick piece is for having the torpedo jar brick abandonment brick of anti-corrosion performance.
Through adopting above-mentioned technical scheme, improve the waste reuse of carbon brick piece, the clearance between the adjacent carbon brick piece is little, ensures that the flow of high temperature sediment is smooth and easy.
Further setting the following steps: and a groove is arranged between the adjacent carbon bricks, a pouring layer for ensuring the fluidity of the high-temperature slag is placed in the groove, and the pouring layer is plastic with plastic performance.
Through adopting above-mentioned technical scheme, with plastic whole pouring, realize that the connection between the carbon brick piece is inseparabler, save the use amount on pouring layer.
Further setting the following steps: the cooling box comprises a plurality of water tanks, the water tank is "concave" style of calligraphy, be provided with water inlet and delivery port on the water tank, it is adjacent be provided with the connecting pipe between the water tank, the connecting pipe both ends respectively with delivery port and adjacent the water tank the water inlet is connected.
By adopting the technical scheme, the cooling box is formed by splicing a plurality of groups of water tanks, and the misjudgment of manual inspection is reduced by adopting sectional type water temperature difference monitoring.
Further setting the following steps: and rib plates for avoiding the deformation of the water tank are arranged at the middle symmetrical positions of the water tank, and two ends of each rib plate are respectively positioned on the water tank and close to the carbon brick blocks and the two sides of the body.
By adopting the technical scheme, the inner wall of the water tank is ensured to be intact by thermal expansion after tapping under the high pressure of water.
Further setting the following steps: the water inlet and the water outlet are respectively positioned at the same side of the horizontal symmetry line of the water tank.
Through adopting above-mentioned technical scheme, be convenient for be connected between the adjacent water tank, reduce the erosion to the water tank inner wall.
Further setting the following steps: the water tank is a concave hollow tank with the inner width of 800-1000mm and the height of 500 mm.
By adopting the technical scheme, the water tank is concave, so that the flow of high-temperature slag is convenient to realize.
Further setting the following steps: the butt-joint gap of the water tank is equal to the extension distance of the connecting pipe.
Through adopting above-mentioned technical scheme, be convenient for to the installation of water tank to and ensure the cooling effect of connecting pipe.
Further setting the following steps: the body is provided with an inclined plane close to the bottom of the water tank.
Through adopting above-mentioned technical scheme, be convenient for improve the installation effect between body and the cooler bin.
To sum up, the utility model discloses a beneficial technological effect does:
(1) Place the cooler bin on the body and with the both sides and the inclined plane butt of cooler bin, the cooler bin comprises a plurality of water tanks of group, water inlet and delivery port that the homonymy was seted up on the water tank, the delivery port and the water inlet on with adjacent water tank are continuous to the connecting pipe, the both ends of lacing wire board are located the symmetric position in the middle of the water tank, reduce the impact strength of cooling water in the water tank, a plurality of groups carbon brick pile up on the water tank, with the whole pouring layer in the ditch of pouring between adjacent carbon brick, slowly toast with the little fire of coal gas, until the evaporation of slag runner steam, can open the big fire until toasting futilely can, high temperature sediment flows on the carbon brick, the cooling water gets into in the water inlet and carries out the heat of high temperature sediment when flowing in the water tank, realize continuous 78 hours continuity iron tapping, it is zero to burn out the excessive incident of slag iron.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3
Reference numerals: 1. a body; 2. a cooling tank; 3. an abutment layer; 4. a main inlet; 5. a main outlet; 6. a carbon brick; 7. a trench; 8. pouring a layer; 9. a water tank; 10. a water inlet; 11. a connecting pipe; 12. a pull rib plate; 13. a bevel; 14. and (7) a water outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings showing only the simple components related to the present invention.
Referring to fig. 1, for the utility model discloses a blast furnace cavity formula water-cooling slag runner, including body 1, the high temperature sediment that is used for the blast furnace in the body 1 flows, be provided with cooler bin 2 on the body 1, cooler bin 2 is used for placing the cooling water, the cooling water forms heat transfer's process with the high temperature sediment at flow in-process, cooler bin 2 is provided with total import 4 and total export 5, the heat with the high temperature sediment of cooling water carries and discharges, water tank 9 sets up to interior wide 800-1000mm, the interior empty water tank 9 of high 500mm spill, the inner wall of cooler bin 2 is the steel sheet composition that has the rigidity, cooler bin 2 is "concave" style of calligraphy, the part that lies in on the cooler bin 2 under sunken is provided with butt layer 3, butt layer 3 is used for the high temperature sediment to flow above that, prevent the erosion of high temperature sediment to body 1 inside lining.
As shown in fig. 1 and 2, in order to facilitate the reconstruction arrangement of a blast furnace slag runner and the red slag discharge of a blast furnace, the whole slag runner is hollowed to see a steel structure, the body 1 is close to the bottom to form an inclined surface 13 with a certain angle, the inclined surface 13 is inclined along the direction which is close to one side of the body 1 and is inclined towards the cooling box 2, and the cooling box 2 is arranged from the bottom of a sand dam to the tail part of the slag runner; the abutting layer 3 positioned above the cooling box 2 is formed by mutually stacking a plurality of groups of carbon brick blocks 6, a groove 7 is formed between every two adjacent carbon brick blocks 6, a pouring layer 8 is placed in the groove 7, the pouring layer 8 ensures that high-temperature slag flows smoothly and cannot flow into the cooling box 2 from the groove 7, the pouring layer 8 is a plastic material with plasticity in the prior art, the brick lining on the inner wall of the cooling box 2 can use torpedo tank waste carbon bricks for reducing the using amount of slag runner pouring materials, bricks with irregular brick sizes can also be used, and a layer of refractory mortar is paved between brick joints and in the water tank 9 during brick laying; the slag runner grooves 7 are laid with bricks and sequenced, and a layer of carbon bricks or refractory bricks is paved at the bottom in the water tank 9; and (3) uniformly stirring the casting material, integrally casting the casting material into the groove 7 for forming, finally slowly baking with a small gas fire until water vapor in the slag runner is evaporated, and baking with a large fire until the water vapor is dried.
As shown in fig. 1 and 2, in order to prevent the cooling tank 2 from leaking water, a sectional type water temperature difference monitoring is adopted, so that the misjudgment of manual inspection is reduced, when the water temperature difference reaches the warning value, the local position can be padded in time, which is beneficial to correctly judging the erosion condition of the slag runner, the cooling box 2 is composed of four groups of water boxes 9, the water boxes 9 are in a concave shape, a water inlet 10 and a water outlet 14 are arranged on each water box 9, a connecting pipe 11 is fixedly connected to the water outlet 14 and the water inlet 10 on the adjacent water boxes 9, the extending distance of the connecting pipe 11 is equal to the distance between the water boxes 9, the heat transfer between the water boxes 9 is ensured, the cooling water is in heat transfer with the cooling water in the water boxes 9 during the flowing process, in order to prevent the wall of the water tank 9 from deforming, a rib plate 12 is arranged in the middle of the water tank 9, and two ends of the rib plate are respectively positioned on the water tank 9 and close to the carbon brick blocks 6 and two sides of the body 1.
As shown in fig. 1, in order to ensure uniform heat transfer of the cooling water tank 9 and the accuracy of sectional detection, the water inlet 10 and the water outlet 14 are respectively located at the same side of a horizontal symmetry line of the water tank 9, the flow of cooling water in the water tank 9 can achieve the effect of heat transfer to each corner of the carbon brick 6, and the operation of slag runner shimming is achieved for each group of water tanks 9, so that materials are saved, time is saved, the labor intensity of workers in front of a furnace is reduced, one cycle of the service life is calculated according to 52 days, 18 tons of castable is consumed, shimming is maintained for about 10 times at ordinary times, the slag runner is poured by the water cooled water of the water tank 9 after modification, 7 tons of castable is consumed for one cycle, and.
The implementation principle and the beneficial effects of the embodiment are as follows: placing a water tank 9 consisting of steel plates on an inclined plane 13 at the bottom of the body 1, arranging pull rib plates 12 on the upper end surface and the lower end surface of the water tank 9, welding a connecting pipe 11 on a water outlet 14 and a water inlet 10 between adjacent steel plates, arranging a butting layer 3 on the water tank 9, and stacking the waste bricks of torpedo tanks with different specifications and shapes, arranging a pouring layer 8 in a groove 7 between adjacent carbon brick blocks 6, integrally pouring the groove 7 for molding, and performing baking operation on the whole butting layer 3; high temperature sediment flows on butt layer 3, and the cooling water flows in water inlet 10 and the delivery port 14 that is located both sides, reduces and blows the ditch raise dust, alleviates environmental protection pressure, improves on-the-spot clean and tidy, and the stokehold environment obtains improving, is favorable to staff's physical and mental health. The heat transfer of cooling water and high temperature sediment of being convenient for ensures the inside lining life of body 1, and when the ditch was repaiied to overhaul, 78 hours continuity tapping, it is more obvious to contrast pouring the slag runner effect, and later pouring water cooling slag runner is reformed transform, burns through the excessive incident of slag iron and is zero, and the sluiceway is crossed the iron sound big gun and is zero. Greatly improving the safety guarantee of blast furnace tapping. The water-cooling pouring slag runner after transformation, two slag runners per blast furnace every year, can practice thrift materials 154t, according to per ton pouring runner material: 4000 yuan, the cost is about 61.6 ten thousand yuan of RMB; the labor cost is reduced, 1250 yuan is needed for each padding, and the cost can be saved by 8.75 ten thousand yuan for 65 padding in one year; the use of a large mechanical hook machine is greatly reduced, and the mechanical use cost is reduced by about 10.4 ten thousand yuan each year.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a blast furnace cavity formula water-cooling cinder notch which characterized in that: including body (1), be provided with cooler bin (2) on body (1), be provided with on cooler bin (2) and avoid high temperature sediment to corrode butt layer (3) of inside lining, butt layer (3) and cooler bin (2) all are "concave" style of calligraphy, offer total import (4) and total export (5) that are used for the cooling water to flow on cooler bin (2), total import (4) and total export (5) all are located keep away from on cooler bin (2) in one side of body (1).
2. A cavity-type water-cooled blast furnace slag runner as claimed in claim 1, wherein: the butt joint layer (3) is piled up each other by a plurality of groups of carbon brick piece (6) and is constituteed, carbon brick piece (6) are for having the torpedo jar brick abandonment brick of anti-corrosion performance.
3. A cavity-type water-cooled blast furnace slag runner as claimed in claim 2, wherein: adjacent be provided with slot (7) between carbon brick piece (6), place pouring layer (8) of ensureing the fluidity of high temperature slag in slot (7), pouring layer (8) are the plastic material that has plastic property.
4. A cavity-type water-cooled blast furnace slag runner as claimed in claim 3, wherein: cooler bin (2) comprise a plurality of water tanks of group (9), water tank (9) are "concave" style of calligraphy, be provided with water inlet (10) and delivery port (14) on water tank (9), it is adjacent be provided with connecting pipe (11) between water tank (9), connecting pipe (11) both ends respectively with delivery port (14) and adjacent water tank (9) water inlet (10) are connected.
5. A cavity-type water-cooled slag runner of a blast furnace as defined in claim 4, wherein: the water tank (9) middle symmetrical position is provided with a pull rib plate (12) for avoiding the water tank (9) deformation, the two ends of the pull rib plate (12) are respectively positioned on the water tank (9) close to the carbon brick blocks (6) and close to the two sides of the body (1).
6. a cavity-type water-cooled slag runner of a blast furnace as defined in claim 5, wherein: the water inlet (10) and the water outlet (14) are respectively positioned at the same side of the horizontal symmetrical line of the water tank (9).
7. a cavity type water-cooled slag runner of a blast furnace as claimed in claim 6, wherein: the water tank (9) is a concave hollow tank with the inner width of 800-1000mm and the height of 500 mm.
8. A cavity-type water-cooled slag runner of a blast furnace as defined in claim 7, wherein: the butt joint clearance of the water tank (9) is equal to the extension distance of the connecting pipe (11).
9. A cavity-type water-cooled blast furnace slag runner as claimed in claim 8, wherein: the body (1) is provided with an inclined plane (13) close to the bottom of the water tank (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153269.XU CN209778914U (en) | 2018-12-19 | 2018-12-19 | Blast furnace cavity type water-cooling slag runner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822153269.XU CN209778914U (en) | 2018-12-19 | 2018-12-19 | Blast furnace cavity type water-cooling slag runner |
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| CN209778914U true CN209778914U (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189680A1 (en) * | 2020-03-25 | 2021-09-30 | 郑州市瑞沃耐火材料有限公司 | Water-cooled iron storage type molten iron trough structure and method for reducing temperature of side wall of molten iron trough |
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2018
- 2018-12-19 CN CN201822153269.XU patent/CN209778914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189680A1 (en) * | 2020-03-25 | 2021-09-30 | 郑州市瑞沃耐火材料有限公司 | Water-cooled iron storage type molten iron trough structure and method for reducing temperature of side wall of molten iron trough |
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