CN214881617U - High furnace bottom filtering type water slag ditch device - Google Patents
High furnace bottom filtering type water slag ditch device Download PDFInfo
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- CN214881617U CN214881617U CN202121374728.2U CN202121374728U CN214881617U CN 214881617 U CN214881617 U CN 214881617U CN 202121374728 U CN202121374728 U CN 202121374728U CN 214881617 U CN214881617 U CN 214881617U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model discloses a high furnace bottom filtering type slag runner device, which comprises a granulation tower and a slag runner body, wherein a discharge hole at the bottom of the granulation tower is connected with the slag runner body, and the upper part of the slag runner body is covered with a sealing cover; an inclined chimney is arranged on the sealing cover, and the other end of the inclined chimney is connected into the granulating tower; six high-pressure water guns are symmetrically installed on the side wall of the water slag ditch body, a water inlet of each high-pressure water gun is connected with a high-pressure water supply pipeline, and a water pressure regulating valve is installed between each high-pressure water gun and each high-pressure water supply pipeline. The device is characterized in that the upper part of the slag runner body is covered with a sealing cover, so that the steam of the slag-water mixture is prevented from overflowing and affecting the external operation environment; an inclined chimney is arranged on the sealing cover, the inclined chimney is connected with the granulation tower, and steam is recycled into the granulation tower; the setting of high-pressure squirt can accelerate the clear water layer velocity of flow, takes away iron granule and debris, prevents to overflow sediment, stifled sediment, and this internal wear resistant castable of pouring of water slag runner improves its wearability, promotes life.
Description
Technical Field
The utility model relates to the technical field of blast furnace slag treatment, in particular to a filtering type slag runner device at the bottom of a blast furnace.
Background
And the molten slag generated by blast furnace smelting enters the granulation tower through the molten slag channel. And a granulator at the bottom of the granulation tower flushes the granulated slag by using high-pressure water. The slag-water mixture flows into the bottom filter tank through the water slag channel, and finally, slag-water separation is realized. At present, blast furnaces generally adopt a slag runner made of a steel structure for operation, and the following defects are mainly caused:
firstly, the slag ditch is open for use, so that the overflow of slag-water mixture steam is easy to cause, and the field operation environment is influenced; secondly, when the condition of the blast furnace is not good, molten iron can be partially contained in the slag, and iron particles can be formed in the molten iron and deposited in a slag runner after the molten iron is washed, so that the slag-water mixture can not flow smoothly due to poor fluidity, the slag runner overflows slag, and the safety of peripheral equipment and personnel is seriously threatened; thirdly, as the slag-water mixture is washed for a long time, the slag ditch is easy to generate through holes and water leakage, thereby influencing the normal blast furnace production.
CN205635663U provides a blast furnace water sluiceway structure in current patent, and it lays wear-resisting steel sheet in the ditch bottom, and the gap grout is filled, and the washing away of sediment water mixture has been alleviated to a certain extent, nevertheless does not have steam recovery unit, can't solve the sedimentary problem of iron particle simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high stove bottom filter formula ditch device, its leakproofness is good, and steam is directly retrieved and is not had the excessive, and the clear water layer velocity of flow is accelerated to the high-pressure squirt, takes away iron particle and debris, prevents to spill over sediment, stifled sediment, and wear-resisting castable is pour to the ditch body, improves its wearability, promotes life, solves the sedimentary problem of iron particle in ditch bottom.
In order to achieve the above object, the utility model provides a following technical scheme: a high furnace bottom filter type slag runner device comprises a granulation tower and a slag runner body, wherein a discharge hole at the bottom of the granulation tower is connected with the slag runner body, and the upper part of the slag runner body is covered with a sealing cover; an inclined chimney is arranged on the sealing cover, and the other end of the inclined chimney is connected into the granulating tower; six high-pressure water guns are symmetrically installed on the side wall of the water slag ditch body, water inlets of the high-pressure water guns are connected with a high-pressure water supply pipeline, and a water pressure regulating valve is installed between each high-pressure water gun and the high-pressure water supply pipeline.
Preferably, the high-pressure water gun is 20cm below the liquid level of the slag-water mixture in the slag ditch body, and the high-pressure water gun forms an angle of 30 degrees with the water flow direction.
Preferably, wear-resistant pouring materials are poured at the bottom and the side wall of the water slag channel body, and the height of the side wall of the wear-resistant pouring materials is higher than that of a mixed layer of a slag-water mixture in the water slag channel body.
Preferably, the water pressure regulating valve is an electronic valve and is in remote communication connection with the central control room.
Compared with the prior art, the beneficial effects of the utility model are as follows:
according to the high furnace bottom filter type slag runner device, the sealing cover is covered on the upper part of the slag runner body, so that the steam of slag-water mixture is prevented from overflowing to influence the external operation environment; an inclined chimney is arranged on the sealing cover, the inclined chimney is connected with the granulation tower, and steam is recycled into the granulation tower; the setting of high-pressure squirt can accelerate the clear water layer velocity of flow, takes away iron granule and debris, prevents to overflow sediment, stifled sediment, and this internal wear resistant castable of pouring of water slag runner improves its wearability, promotes life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the slag runner body of the present invention;
fig. 3 is a side view of the slag runner body of the utility model.
In the figure: 1. a granulation tower; 2. a slag runner body; 3. an inclined chimney; 4. a sealing cover; 5. a high pressure water gun; 6. a water pressure regulating valve; 7. a high-pressure water supply pipeline; 8. and (5) wear-resistant pouring materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a high furnace bottom filtering type slag runner device comprises a granulation tower 1 and a slag runner body 2, wherein a discharge hole at the bottom of the granulation tower 1 is connected with the slag runner body 2, slag forms a slag-water mixture in the granulation tower 1 and then enters the slag runner body 2, and a sealing cover 4 covers the upper part of the slag runner body 2; an inclined chimney 3 is arranged on the sealing cover 4, the other end of the inclined chimney 3 is connected into the granulation tower 1, and the steam of the slag-water mixture is discharged back to the inside of the granulation tower 1 through the inclined chimney 3 for recycling; six high-pressure squirts 5 are installed to the symmetry on the lateral wall of scum ditch body 2, the high sediment water mixture liquid level below 20cm department that is located scum ditch body 2 of high-pressure squirt 5, and high-pressure squirt 5 is 30 angles with the rivers direction, the water inlet and the high-pressure water supply pipe 7 of high-pressure squirt 5 are connected, the water under high pressure is supplied by high-pressure water supply pipe 7, and install water pressure regulating valve 6 between every high-pressure squirt 5 and the high-pressure water supply pipe 7, be used for controlling the water pressure of high-pressure squirt 5.
In the embodiment, the slag-water mixture is divided into the clear water layer and the mixed layer, and the clear water layer of the slag-water mixture is positioned at the upper part; the high-pressure water sprayed by the high-pressure water gun 5 can accelerate the flow velocity of the clear water layer of the slag-water mixture.
In the above embodiment, the wear-resistant casting material 8 is poured on the bottom and the side wall of the slag runner body 2, the height of the side wall of the wear-resistant casting material 8 is higher than that of the mixed layer of the slag-water mixture in the slag runner body 2, the wear-resistant casting material 8 is only washed away in the process that the slag-water mixture flows in the slag runner body 2, no wear is caused to the slag runner body 2, and after a certain period, the wear-resistant casting material 8 is poured again by using the opportunity of maintenance, so that the wear of the slag-water mixture to the side wall of the slag runner body 2 is reduced.
In the above embodiment, the water pressure regulating valve 6 is an electronic valve, and can establish a remote communication connection with the central control room, so as to realize remote control.
The working principle is as follows: according to the high-furnace-bottom filter type slag runner device, when slag flushing operation is started, a slag flushing water pump is started, a water pressure regulating valve 6 in front of a high-pressure water gun 5 is opened, high-pressure water sprayed by the high-pressure water gun 5 can accelerate the flow velocity of a slag-water mixture clear water layer, so that the flow velocity of the slag-water mixture clear water layer is greater than that of a slag-water mixture mixing layer, a pressure difference from bottom to top is generated in the slag-water mixture, iron particles and other impurities which are easy to deposit at the bottom are taken away, and the iron particles and other impurities are discharged into a bottom filter chamber along with the slag-water mixture, so that the phenomena of slag overflow and slag blockage of a slag runner are avoided; according to the difference of the tapping condition of each furnace, the pressure of the high-pressure water gun 5 can be adjusted through the water pressure adjusting valves 6, and all the water pressure adjusting valves 6 can be connected to a central control room and have remote operation conditions.
In summary, the following steps: according to the high furnace bottom filter type slag runner device, the sealing cover 4 is covered on the upper part of the slag runner body 2, so that the steam of slag-water mixture is prevented from overflowing to influence the external operation environment; an inclined chimney 3 is arranged on the sealing cover 4, the inclined chimney 3 is connected with the granulation tower 1, and steam is recycled into the granulation tower 1; clear water layer velocity of flow can be accelerated in the setting of high-pressure squirt 5, takes away iron granule and debris, prevents to overflow sediment, stifled sediment, pours wear-resisting castable 8 in the water slag runner body 2, improves its wearability, promotes life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a filter type ditch device at bottom of blast furnace, includes granulation tower (1) and ditch body (2), its characterized in that: a discharge hole at the bottom of the granulating tower (1) is connected with the slag runner body (2), and the upper part of the slag runner body (2) is covered with a sealing cover (4); an inclined chimney (3) is arranged on the sealing cover (4), and the other end of the inclined chimney (3) is connected into the granulating tower (1); six high-pressure water guns (5) are symmetrically installed on the side wall of the water slag ditch body (2), a water inlet of each high-pressure water gun (5) is connected with a high-pressure water supply pipeline (7), and a water pressure regulating valve (6) is installed between each high-pressure water gun (5) and each high-pressure water supply pipeline (7).
2. The high furnace bottom filtering type slag runner device according to claim 1, characterized in that: the high-pressure water gun (5) is located 20cm below the liquid level of the slag-water mixture in the slag ditch body (2), and the high-pressure water gun (5) forms an angle of 30 degrees with the water flow direction.
3. The high furnace bottom filtering type slag runner device according to claim 2, characterized in that: wear-resisting pouring materials (8) are poured at the bottom and the side wall of the slag runner body (2), and the height of the side wall of the wear-resisting pouring materials (8) is higher than that of a mixed layer of a slag-water mixture in the slag runner body (2).
4. The high furnace bottom filtering type slag runner device according to claim 3, characterized in that: the water pressure regulating valve (6) is an electronic valve and is in remote communication connection with the central control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121374728.2U CN214881617U (en) | 2021-06-21 | 2021-06-21 | High furnace bottom filtering type water slag ditch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121374728.2U CN214881617U (en) | 2021-06-21 | 2021-06-21 | High furnace bottom filtering type water slag ditch device |
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| CN214881617U true CN214881617U (en) | 2021-11-26 |
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| CN202121374728.2U Active CN214881617U (en) | 2021-06-21 | 2021-06-21 | High furnace bottom filtering type water slag ditch device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
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2021
- 2021-06-21 CN CN202121374728.2U patent/CN214881617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
| WO2023168939A1 (en) * | 2022-03-10 | 2023-09-14 | 中冶赛迪工程技术股份有限公司 | Environmentally-friendly ironmaking slag treatment system |
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