CN204752779U - Blast furnace air supply system and online stifled wind gap device thereof - Google Patents
Blast furnace air supply system and online stifled wind gap device thereof Download PDFInfo
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- CN204752779U CN204752779U CN201520575980.8U CN201520575980U CN204752779U CN 204752779 U CN204752779 U CN 204752779U CN 201520575980 U CN201520575980 U CN 201520575980U CN 204752779 U CN204752779 U CN 204752779U
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- straight tube
- air supply
- blast furnace
- tuyere
- grouting
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Abstract
The utility model discloses a blast furnace air supply system and online stifled wind gap device thereof belongs to the blast -furnace tuyere and blocks up technical field. The utility model discloses a blast furnace air supply system, including air supply arrangement body and online stifled wind gap device, the one end of air supply arrangement body is equipped with the eyelet, and the other end of air supply arrangement body is equipped with tuyere body, supply -air outlet on the air supply arrangement body is linked together with tuyere body, be fixed with the belly pipe on the air supply arrangement body, air supply arrangement body outside is located to the entrance point of belly pipe, and the exit end of belly pipe stretches into air supply arrangement body inside just to tuyere body, online stifled wind gap device includes grouter and grout straight tube, is equipped with the grout straight tube in the belly pipe, and the entrance point of grout straight tube is linked together with the export of grouter, and the exit end of grout straight tube extends to in the tuyere body. The utility model discloses an improve the function that furnace processor, reduction in production cost and reduction blast -furnace tuyere were blown open the possibility.
Description
Technical field
The utility model relates to a kind of blast-furnace tuyere blocking device, more particularly, relates to a kind of blast furnace air supply system and blocks up tuyere device online.
Background technology
Overhaul in the blow-on of blast furnace, when processing the great technology accidents such as the cool and hearth freeze-up of stove, for smooth blow-on or process the technology accidents such as stove is cool as early as possible, blast furnace operating adopts the method in little air quantity and stifled air port.For ensureing smooth blow-on and processing the technology accidents such as stove is cool as early as possible, avoid burning out the medium and small cover in air port, stifled air port must tightly not blown open.When producing in the multiple stove of blast furnace depending on furnace temperature and furnace condition recovery situation progressively disclose out again block up air port and blow.
In prior art, blast furnace ironmaking affects by blast furnace internal and external condition, blast wandering or control smelting strong time many employings damping down after the operation in stifled air port, because manually stifled air port is not easily grasped in working control, often there is air port and blow phenomenon open in blast furnace, blast furnace is forced to again to carry out damping down and blocks up air port operation, brings the damping down operation of the double loss of consumption and production, particularly conditions of blast furnace not up time will recover to bring greater loss to conditions of blast furnace to blast furnace.Therefore, develop effective blast furnace to block up tuyere device and keep stable smooth operation to blast furnace and to improve economic and technical norms significant.
In prior art, the existing technical scheme about blast-furnace tuyere blocking device is open, as Chinese Patent Application No.: 2012103925486, publication date: on April 16th, 2014, invention and created name: a kind of blast-furnace tuyere blocking device, the blast-furnace tuyere blocking device of this application case, be made up of stemming after stemming, heat resisting brick and brick before the brick being placed in tuyere small sleeve front end successively, before brick, after stemming and brick, stemming is fitted completely with the forward and backward cross section of described heat resisting brick respectively, becomes the entirety that one frustoconical in shape.The blast-furnace tuyere blocking device of this application case is simple, convenient, can be applicable to large, medium and small blast furnace.The shortcoming of this application case is: blast furnace blocks up air port and operates main dependence and manually carry out, and wastes time and energy, improves production cost, and have certain danger.
In sum, in prior art basic adopt damping down after the operation in artificial stifled air port, after damping down, stifled air port have impact on blast furnace and normally produces, and destroys blast furnace stable smooth operation, reduces furnace processor; Then waste time and energy in artificial stifled air port, dangerous high, improves production cost, and artificial stifled air port is not easily grasped in working control, and blast furnace air port often occurs and blows open, causes blast furnace secondary damping down to block up air port operation.
Therefore, how to overcome in prior art that artificial stifled air port after damping down operate that the furnace processor caused reduces, production cost raising and blast-furnace tuyere easily by the deficiency blown open, be the technical barrier needing solution in prior art badly.
Utility model content
1. the utility model technical problem that will solve
The utility model to overcome in prior art that artificial stifled air port after damping down operate that the furnace processor caused reduces, production cost raising and blast-furnace tuyere be easily by the deficiency blown open, provide and a kind of blast furnace air supply system and stifled tuyere device online thereof, achieve to improve furnace processor, reduce production cost and reduce blast-furnace tuyere and blown open the function of possibility.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
Blast furnace air supply system of the present utility model, comprise air-supply arrangement body and online stifled tuyere device, one end of air-supply arrangement body is provided with peep hole, and the other end of air-supply arrangement body is provided with tuyere small sleeve; Air outlet on air-supply arrangement body is connected with tuyere small sleeve; Air-supply arrangement body is fixed with belly pipe, and the entrance end of belly pipe is located at air-supply arrangement body exterior, and the exit end of belly pipe stretches into air-supply arrangement body interior and just to tuyere small sleeve; Online stifled tuyere device comprises grout machine and grouting straight tube, is provided with grouting straight tube in belly pipe, and the grouting entrance end of straight tube is connected with the outlet of grout machine, and the exit end of grouting straight tube extends in tuyere small sleeve.
Further improve as blast furnace air supply system of the present utility model, the outlet of grout machine is connected by the entrance end of grouting rubber pipe with grouting straight tube.
Further improve as blast furnace air supply system of the present utility model, grouting straight tube is provided with manual ball valve and non-return valve from the entrance end of grouting straight tube successively to the exit end of grouting straight tube.
Further improve as blast furnace air supply system of the present utility model, grouting rubber pipe is connected by union with the entrance end of grouting straight tube.
Further improve as blast furnace air supply system of the present utility model, the outlet of grout machine is provided with outlet valve.
The online stifled tuyere device of blast furnace air supply system of the present utility model, comprise grout machine and grouting straight tube, grouting straight tube is located in belly pipe, and the grouting entrance end of straight tube is connected with the outlet of grout machine, and the exit end of grouting straight tube extends in tuyere small sleeve.
Online stifled tuyere device as blast furnace air supply system of the present utility model further improves, and the entrance end of grouting straight tube is connected with the outlet of grout machine by grouting rubber pipe.
Online stifled tuyere device as blast furnace air supply system of the present utility model further improves, and grouting straight tube is provided with manual ball valve and non-return valve from the entrance end of grouting straight tube successively to the exit end of grouting straight tube.
Online stifled tuyere device as blast furnace air supply system of the present utility model further improves, and grouting rubber pipe is connected by union with the entrance end of grouting straight tube.
Online stifled tuyere device as blast furnace air supply system of the present utility model further improves, and the outlet of grout machine is provided with outlet valve.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following unusual effect:
(1), blast furnace air supply system of the present utility model, by online mode of pouring into mould material in tuyere small sleeve, carry out the operation of stifled air port under the prerequisite of blast furnace not damping down can be realized, thus decrease the time of blast furnace staying, improve furnace processor; Blast furnace air supply system of the present utility model, directly by grout machine, mould material is pressed in tuyere small sleeve, achieve the automatization of stifled air port operation, waste time and energy when avoiding artificial stifled air port operation the deficiency high with danger, reduces the production cost of stifled air port operation.
(2) mould material, adopted in the utility model is quick-drying gravity flow mould material, mould material can be easy to fill tuyere small sleeve and drying is solidified rapidly, the stemming that mould material solidifies rear formation is high temperature resistant, and has certain physical strength, is not easily blown open.
(3), blast furnace air supply system of the present utility model, when blast-furnace tuyere is blocked, by peep hole, the stemming in tuyere small sleeve is observed, when find stemming rubescent blow open may time, carry out blast furnace stifled air port operation online in time, ensure that the tightness that blast-furnace tuyere blocks, for the recovery of conditions of blast furnace and direct motion create conditions, promote blast furnace safety High-efficient Production.
Accompanying drawing explanation
Fig. 1 is the structural representation of blast furnace air supply system of the present utility model.
Label declaration in schematic diagram: 1, grout machine; 2, outlet valve; 3, grouting rubber pipe; 4, union; 5, manual ball valve; 6, non-return valve; 7, belly pipe; 8, be in the milk straight tube; 9, tuyere small sleeve; 10, stemming; 11, air-supply arrangement body; 12, air outlet; 13, peep hole.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
As shown in Figure 1, the blast furnace air supply system of the present embodiment, comprises air-supply arrangement body 11 and online stifled tuyere device.One end of air-supply arrangement body 11 is provided with peep hole 13, and peep hole 13 can be used for the situation of observing stemming 10 in tuyere small sleeve 9; The other end of air-supply arrangement body 11 is provided with tuyere small sleeve 9, and tuyere small sleeve 9, when blast furnace is normally blown, passes into air and coal dust in blast-furnace tuyere; Stemming 10 in tuyere small sleeve 9 is for blocking blast-furnace tuyere.Air outlet 12 on air-supply arrangement body 11 is connected with tuyere small sleeve 9.Air-supply arrangement body 11 is fixed with belly pipe 7, it is outside that the entrance end of belly pipe 7 is located at air-supply arrangement body 11, and it is inner and just to tuyere small sleeve 9 that the exit end of belly pipe 7 stretches into air-supply arrangement body 11.Online stifled tuyere device comprises grout machine 1 and grouting straight tube 8.Be provided with grouting straight tube 8 in belly pipe 7, the entrance end of grouting straight tube 8 is connected by the outlet of grouting rubber pipe 3 with grout machine 1, and grouting rubber pipe 3 is connected by union 4 with the entrance end of grouting straight tube 8; The exit end of grouting straight tube 8 extends in tuyere small sleeve 9.Grouting straight tube 8 is provided with manual ball valve 5 and non-return valve 6 from the entrance end of grouting straight tube 8 successively to the exit end of grouting straight tube 8, and the outlet of grout machine 1 is provided with outlet valve 2.
The blast furnace air supply system of the present embodiment, under the prerequisite of blast furnace not damping down, automatically can carry out the operation of stifled air port, its concrete use procedure is as follows:
1) install the blast furnace air supply system of the present embodiment according to said structure, and make outlet valve 2, manual ball valve 5 and non-return valve 6 all be in closing condition;
2) start grout machine 1, in grout machine 1, be stirred mould material on request; Wherein mould material does aggregate (4.5wt%) with magnesium-aluminium spinel, aluminium sesquioxide 55wt%, silicon carbide 18wt%, silicon-dioxide 8wt%, calcium oxide 2wt%, magnesium oxide 12.5wt%;
3) open the outlet valve 2 of grout machine 1, the grouting pressure of mould material is adjusted to higher than blast furnace blast 100kpa;
4) open the manual ball valve 5 on grouting straight tube 8 and non-return valve 6 successively, mould material enters in tuyere small sleeve 9 through grouting straight tube 8, and above-mentioned mould material enters rear drying rapidly in tuyere small sleeve 9 and is frozen into stemming 10;
5) observe mould material by peep hole 13 and pour into situation in tuyere small sleeve 9, when tuyere small sleeve 9 is filled in material feeding to be poured, close outlet valve 2, manual ball valve 5 and non-return valve 6 successively, complete blast furnace stifled air port operation online.
It should be noted that, when blast-furnace tuyere is blocked, observe by the stemming 10 in peep hole 13 pairs of tuyere small sleeves 9, repeat above-mentioned use procedure when finding that stemming 10 is rubescent and blowing possibility open.
The blast furnace air supply system of the present embodiment, by online mode of pouring into mould material in tuyere small sleeve 9, carries out the operation of stifled air port under can realizing the prerequisite of blast furnace not damping down, thus decreases the time of blast furnace staying, improve furnace processor; The blast furnace air supply system of the present embodiment, directly by grout machine 1, mould material is pressed in tuyere small sleeve 9, achieve the automatization of stifled air port operation, waste time and energy when avoiding artificial stifled air port operation the deficiency high with danger, reduces the production cost of stifled air port operation.
The mould material adopted in the present embodiment is quick-drying gravity flow mould material, and mould material can be easy to fill tuyere small sleeve 9 and drying is solidified rapidly, and the stemming 10 that mould material solidifies rear formation is high temperature resistant, and has certain physical strength, is not easily blown open.
The blast furnace air supply system of the present embodiment, when blast-furnace tuyere is blocked, observe by the stemming 10 in peep hole 13 pairs of tuyere small sleeves 9, when find stemming 10 rubescent blow open may time, carry out blast furnace stifled air port operation online in time, ensure that the tightness that blast-furnace tuyere blocks, for the recovery of conditions of blast furnace and direct motion create conditions, promote blast furnace safety High-efficient Production.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (10)
1. a blast furnace air supply system, comprise air-supply arrangement body (11), one end of air-supply arrangement body (11) is provided with peep hole (13), and the other end of air-supply arrangement body (11) is provided with tuyere small sleeve (9); Air outlet (12) on air-supply arrangement body (11) is connected with tuyere small sleeve (9); Air-supply arrangement body (11) is fixed with belly pipe (7), it is outside that the entrance end of belly pipe (7) is located at air-supply arrangement body (11), and it is inner and just to tuyere small sleeve (9) that the exit end of belly pipe (7) stretches into air-supply arrangement body (11); It is characterized in that: also comprise online stifled tuyere device, this blocks up tuyere device online and comprises grout machine (1) and grouting straight tube (8), grouting straight tube (8) is provided with in belly pipe (7), the entrance end of grouting straight tube (8) is connected with the outlet of grout machine (1), and the exit end of grouting straight tube (8) extends in tuyere small sleeve (9).
2. a kind of blast furnace air supply system according to claim 1, is characterized in that: the outlet of grout machine (1) is connected by the entrance end of grouting rubber pipe (3) with grouting straight tube (8).
3. a kind of blast furnace air supply system according to claim 1, is characterized in that: grouting straight tube (8) is above provided with manual ball valve (5) and non-return valve (6) from the entrance end of the straight tube (8) that is in the milk to the exit end of grouting straight tube (8) successively.
4. a kind of blast furnace air supply system according to claim 2, is characterized in that: grouting rubber pipe (3) is connected by union (4) with the entrance end of grouting straight tube (8).
5. a kind of blast furnace air supply system according to claim 1 and 2, is characterized in that: the outlet of grout machine (1) is provided with outlet valve (2).
6. the online stifled tuyere device of a blast furnace air supply system, it is characterized in that: comprise grout machine (1) and grouting straight tube (8), grouting straight tube (8) is located in belly pipe (7), the entrance end of grouting straight tube (8) is connected with the outlet of grout machine (1), and the exit end of grouting straight tube (8) extends in tuyere small sleeve (9).
7. the online stifled tuyere device of a kind of blast furnace air supply system according to claim 6, is characterized in that: the entrance end of grouting straight tube (8) is connected by the outlet of grouting rubber pipe (3) with grout machine (1).
8. the online stifled tuyere device of a kind of blast furnace air supply system according to claim 6, is characterized in that: grouting straight tube (8) is above provided with manual ball valve (5) and non-return valve (6) from the entrance end of the straight tube (8) that is in the milk to the exit end of grouting straight tube (8) successively.
9. the online stifled tuyere device of a kind of blast furnace air supply system according to claim 7, is characterized in that: grouting rubber pipe (3) is connected by union (4) with the entrance end of grouting straight tube (8).
10. the online stifled tuyere device of a kind of blast furnace air supply system according to claim 6 or 7, is characterized in that: the outlet of grout machine (1) is provided with outlet valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575980.8U CN204752779U (en) | 2015-07-30 | 2015-07-30 | Blast furnace air supply system and online stifled wind gap device thereof |
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| CN201520575980.8U CN204752779U (en) | 2015-07-30 | 2015-07-30 | Blast furnace air supply system and online stifled wind gap device thereof |
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| CN204752779U true CN204752779U (en) | 2015-11-11 |
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| CN201520575980.8U Expired - Fee Related CN204752779U (en) | 2015-07-30 | 2015-07-30 | Blast furnace air supply system and online stifled wind gap device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835665A (en) * | 2019-11-12 | 2020-02-25 | 山西太钢不锈钢股份有限公司 | Method for treating blocking sundries in tuyere peep hole in blast furnace air supply state |
| CN113667782A (en) * | 2021-07-15 | 2021-11-19 | 河钢股份有限公司 | Blast furnace air supply device and method for adjusting blast kinetic energy on line |
-
2015
- 2015-07-30 CN CN201520575980.8U patent/CN204752779U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835665A (en) * | 2019-11-12 | 2020-02-25 | 山西太钢不锈钢股份有限公司 | Method for treating blocking sundries in tuyere peep hole in blast furnace air supply state |
| CN110835665B (en) * | 2019-11-12 | 2021-03-26 | 山西太钢不锈钢股份有限公司 | Method for treating blocking sundries in tuyere peep hole in blast furnace air supply state |
| CN113667782A (en) * | 2021-07-15 | 2021-11-19 | 河钢股份有限公司 | Blast furnace air supply device and method for adjusting blast kinetic energy on line |
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Granted publication date: 20151111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |