CN216205346U

CN216205346U - Bottom cooling device for submerged arc furnace

Info

Publication number: CN216205346U
Application number: CN202121360664.0U
Authority: CN
Inventors: 李敬东; 张卫东
Original assignee: Kazuo Xinbo Ferroalloy Co ltd
Current assignee: Kazuo Xinbo Ferroalloy Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-04-05
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a hot stove bottom cooling device in ore deposit, including stove bottom invert and condensation mechanism, stove bottom invert downside is equipped with the supporting seat, the delivery pipe other end is connected with the tee bend booster, the other both ends of tee bend booster are connected respectively and are equipped with inlet tube two and inlet tube three, the connection of the two other ends of inlet tube is equipped with distributive pipe one, distributive pipe one other end is evenly connected and is equipped with cooling tube one, cooling tube one other end is connected respectively and is equipped with connecting pipe two, it is equipped with collector pipe one to connect between the two other ends of connecting pipe, the connection of the three other ends of inlet tube is equipped with distributive pipe two, distributive pipe two other ends are evenly connected and are equipped with cooling tube two, the connection of the two other ends of cooling tube is equipped with connecting pipe three respectively, it is equipped with collector pipe two to connect between the three other ends of connecting pipe, it is equipped with connecting pipe four to connect between collector pipe one and the collector pipe two, it is equipped with the wet return to connect next. Compared with the prior art, the utility model has the advantages that: the first cooling rods and the second cooling pipes are arranged in a crossed mode, the cooling area is large, and the cooling efficiency is improved.

Description

Bottom cooling device for submerged arc furnace

Technical Field

The utility model relates to the technical field of cooling devices, in particular to a furnace bottom cooling device of a submerged arc furnace.

Background

Part or all of the minerals in the ore or the concentrate undergo a series of physicochemical changes at high temperature to generate another form of compound or simple substance, which is respectively enriched in gas, liquid or solid products, thereby achieving the purpose of separating the metal to be extracted from gangue and other impurities. At present, bottom electrodes of direct current electric furnaces mainly comprise a conductive furnace bottom type, a multi-contact pin type and a steel column type, and the electrodes are not only complicated in structure, but also cooled in an air cooling mode. Although the air cooling mode has a simple structure, the cooling effect is poor, meanwhile, the air cooling is high in space requirement, enough space is needed to install large-scale air cooling equipment, and the requirement of a common small factory building is difficult to meet. In addition, the air cooling mode cannot recycle the waste heat, which causes energy waste.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a bottom cooling device of a submerged arc furnace, which comprises a bottom arch and a condensing mechanism, wherein a supporting seat is arranged at the lower side of the bottom arch, the condensing mechanism comprises a first condensing box, a second condensing box, a first connecting pipe, a water supply pipe, a supporting frame, a water suction pump and a first water inlet pipe, the first condensing box and the second condensing box are respectively connected and fixed through the supporting frame, one end of the first connecting pipe is connected with the bottom of the first condensing box, the other end of the first connecting pipe is connected with the top of the second condensing box, one end of the water inlet pipe is connected with the top of the first condensing box, the other end of the water inlet pipe is connected with the water suction pump, one end of the water supply pipe is connected with the bottom of the second condensing box, a three-way supercharger is connected on the side wall of the supporting seat, the other end of the water supply pipe is connected with the three-way supercharger, the other two ends of the three-way supercharger are respectively connected with the second water inlet pipe and the third water inlet pipe, the other end of the water inlet pipe II is connected with a first water diversion pipe, the other end of the first water diversion pipe is uniformly connected with a plurality of first cooling pipes, the upper sides of the plurality of first cooling pipes are respectively contacted with the lower side of the inverted arch of the furnace bottom, the other ends of the plurality of first cooling pipes are respectively connected with a second connecting pipe, a first water collection pipe is connected between the other ends of the plurality of second connecting pipes, the other ends of the three water inlet pipes are connected with a second water diversion pipe, the other ends of the two water diversion pipes are uniformly connected with a plurality of second cooling pipes, the upper sides of the plurality of second cooling pipes are respectively contacted with the lower side of the inverted arch of the furnace bottom, the other ends of the plurality of second cooling pipes are respectively connected with a third connecting pipe, a second water collection pipe is connected between the other ends of the plurality of third connecting pipes, a fourth connecting pipe is connected between the first water collection pipe and the second water collection pipe, and a water return pipe is connected to the lower side of the water collection pipe, the wet return other end inserts to be connected and is equipped with the header tank, the header tank upside passes and is equipped with the pipe that absorbs water, it is equipped with the filter to absorb water tub one end to extend to the header tank bottom and connect, the pipe other end that absorbs water is connected with suction pump one side.

As an improvement: the water collecting tank is characterized in that a water inlet pipe is connected to one side above the water collecting tank, a water discharging pipe is connected to the lower portion of one side of the water collecting tank, and a water control valve is arranged on the water discharging pipe.

As an improvement: the first cooling pipe and the second cooling pipe are made of steel materials with strong heat conductivity.

As an improvement: the cooling pipes I and II are arranged in a crossed mode.

Compared with the prior art, the utility model has the advantages that: the first cooling rods and the second cooling pipes are arranged on the lower side of the inverted arch of the furnace bottom in a crossed mode, so that the cooling area is large, and the cooling efficiency is improved; the water is condensed twice through the first condensing box and the second condensing box through the matching of the water supply pipe and the water return pipe, so that the water is recycled, and resources are saved; the water after retrieving filters through the filter, uses once more, prevents that suction pump and water pipe impurity from piling up, influences the cooling effect.

Drawings

FIG. 1 is a schematic structural view of a pusher for a metallurgical submerged arc furnace according to the present invention;

FIG. 2 is a schematic structural view of a condensing mechanism of the pusher of the metallurgical submerged arc furnace according to the present invention;

FIG. 3 is a schematic view of the structure of the lower side of the furnace bottom reverse arch of the pusher of the metallurgical submerged arc furnace of the utility model;

reference symbol comparison table:

1-furnace bottom reverse arch, 2-condensing mechanism, 2.1-condensing box I, 2.2-condensing box II, 2.3-connecting pipe I, 2.4-water supply pipe, 2.5-support frame, 2.6-water pump, 2.7-water inlet pipe I, 3-three-way supercharger, 4-water inlet pipe II, 5-water inlet pipe III, 6-water distribution pipe I, 7-cooling pipe I, 8-connecting pipe II, 9-water collection pipe I, 10-water distribution pipe II, 11-cooling pipe II, 12-connecting pipe III, 13-water collection pipe II, 14-connecting pipe IV, 15-water return pipe, 16-water collection tank, 17-water suction pipe, 18-filter, 19-water inlet pipe, 20-water discharge pipe, 21-water control valve and 22-support seat.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-3, a bottom cooling device of a submerged arc furnace comprises a bottom arch 1 and a condensing mechanism 2, a support seat 22 is arranged on the lower side of the bottom arch 1, the condensing mechanism 2 comprises a first condensing box 2.1, a second condensing box 2.2, a first connecting pipe 2.3, a water supply pipe 2.4, a support frame 2.5, a water suction pump 2.6 and a first water inlet pipe 2.7, the first condensing box 2.1 and the second condensing box 2.2 are respectively connected and fixed through the support frame 2.5, one end of the first connecting pipe 2.3 is connected with the bottom of the first condensing box 2.1, the other end of the first connecting pipe 2.3 is connected with the top of the second condensing box 2.2, one end of the first water inlet pipe 2.7 is connected with the top of the first condensing box 2.1, the other end of the first water inlet pipe 2.7 is connected with the water suction pump 2.6, one end of the water supply pipe 2.4 is connected with the bottom of the second condensing box 2.2, a three-way booster 3 is connected with the side wall of the support seat 22, the other two ends of the three-way supercharger 3 are respectively connected with a water inlet pipe II 4 and a water inlet pipe III 5, the other end of the water inlet pipe II 4 is connected with a water distribution pipe I6, the other end of the water distribution pipe I6 is uniformly connected with a plurality of cooling pipes I7, the upper sides of the cooling pipes I7 are respectively contacted with the lower side of the furnace bottom inverted arch 1, the other ends of the cooling pipes I7 are respectively connected with a connecting pipe II 8, a water collecting pipe I9 is connected between the other ends of the connecting pipes II 8, the other end of the water inlet pipe III 5 is connected with a water distribution pipe II 10, the other end of the water distribution pipe II 10 is uniformly connected with a plurality of cooling pipes II 11, the upper sides of the cooling pipes II 11 are respectively contacted with the lower side of the furnace bottom inverted arch 1, the other ends of the cooling pipes II 11 are respectively connected with a connecting pipe III 12, and a water collecting pipe II 13 is connected between the other ends of the connecting pipes III 12, connect between water-collecting pipe 9 and water-collecting pipe 13 and be equipped with four 14 of connecting pipe, 9 downside connections of water-collecting pipe are equipped with wet return 15, the 15 other ends of wet return are inserted and are connected and are equipped with

header tank

16, 16 upsides of header tank are passed and are equipped with the pipe 17 that absorbs water, it is equipped with filter 18 to absorb water pipe 17 one end and connect to extend to 16 bottoms of header tank, it is connected with suction pump 2.6 one side to absorb water the 17 other end.

An inlet pipe 19 is connected to one side above the water collecting tank 16, a drain pipe 20 is connected to the lower portion of one side of the water collecting tank 16, and a water control valve 21 is arranged on the drain pipe 20.

The first cooling pipe 7 and the second cooling pipes 11 are made of steel materials with strong heat conductivity.

The cooling pipes I, 7 and the cooling pipes II 11 are arranged in a crossed mode.

In the specific implementation of the utility model, water in the water collecting tank 16 is filled to two thirds of the position through the water inlet pipe 19 at the upper side of the water collecting tank 16, the water pump 2.6 is started, the water filtered by the filter 18 is transported into the first condensation tank 2.1 through the water suction pipe 17, the first cooling is carried out through the first condensation tank 2.1, the water in the first condensation tank 2.1 is continuously pumped through the water pump 2.6, the water is pushed to be transported into the second condensation tank 2.2 through the first connecting pipe 2.3 for the second cooling, the water temperature is ensured to meet the cooling requirement through the two-time cooling, the cooled water is transported into the three-way booster 3 through the water supply pipe 2.4 by thrust, the water pressure is increased through the three-way booster 3 and is respectively transported into the second water inlet pipe 4 and the third water inlet pipe 5, and the cooling water is respectively transported into the first cooling pipe 7 and the second cooling pipe 11 through the first water distribution pipe 6 and the second water distribution pipe 10 to cool the bottom of the ore heating furnace, new cooling water continuously flows into the first cooling pipe 7 and the second cooling pipe 11, the cooling water heated by the bottom of the submerged arc furnace flows into the second connecting pipe 8 and the third connecting pipe 12 respectively, water in the first connecting pipe 8 and the third connecting pipe 12 flows into the first water collecting pipe 9 and the second water collecting pipe 13, water in the first water collecting pipe 9 flows into the water return pipe 15, water in the second water collecting pipe 13 is conveyed into the water return pipe 15 through the fourth connecting pipe 14, the used water is conveyed into the water collecting tank 16 by the water return pipe 15 for storage, and is pumped out by the water suction pump 2.6 for circulating cooling operation, when the water in the water collecting tank 16 is turbid after being used for a long time, the cooling operation is stopped, the water control valve 21 on the water discharge pipe 20 is opened, waste water is discharged from the water discharge pipe 20, clean water flows into the water inlet pipe 19, and the cooling operation is continued.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a hot stove bottom cooling device in ore deposit, includes stove bottom invert (1) and condensing unit (2), its characterized in that: the lower side of the furnace bottom inverted arch (1) is provided with a supporting seat (22), the condensing mechanism (2) comprises a first condensing box (2.1), a second condensing box (2.2), a first connecting pipe (2.3), a water supply pipe (2.4), a supporting frame (2.5), a water suction pump (2.6) and a first water inlet pipe (2.7), the first condensing box (2.1) and the second condensing box (2.2) are fixedly connected through the supporting frame (2.5), one end of the first connecting pipe (2.3) is connected with the bottom of the first condensing box (2.1), the other end of the first connecting pipe (2.3) is connected with the top of the second condensing box (2.2), one end of the first water inlet pipe (2.7) is connected with the top of the first condensing box (2.1), the other end of the first water inlet pipe (2.7) is connected with the water suction pump (2.6), one end of the water supply pipe (2.4) is connected with the bottom of the second condensing box (2.2.2), the side wall of the supporting seat (22) is provided with a booster (3), and the other end of the tee joint (2.4) is connected with the booster, the other two ends of the three-way supercharger (3) are respectively connected with a second inlet pipe (4) and a third inlet pipe (5), the other end of the second inlet pipe (4) is connected with a first diversion pipe (6), the other end of the first diversion pipe (6) is uniformly connected with a plurality of first cooling pipes (7), the upside of the first cooling pipes (7) is respectively contacted with the lower side of the furnace bottom reverse arch (1), the other ends of the first cooling pipes (7) are respectively connected with a second connecting pipe (8), a first water collecting pipe (9) is connected between the other ends of the second connecting pipes (8), the other end of the third inlet pipe (5) is connected with a second diversion pipe (10), the other end of the second diversion pipe (10) is uniformly connected with a plurality of second cooling pipes (11), the upside of the second cooling pipes (11) is respectively contacted with the lower side of the furnace bottom reverse arch (1), a plurality of the cooling pipe two (11) other ends are connected respectively and are equipped with connecting pipe three (12), a plurality of connect between the three (12) other ends of connecting pipe and be equipped with collector pipe two (13), it is equipped with connecting pipe four (14) to connect between collector pipe (9) and collector pipe two (13), collector pipe (9) downside is connected and is equipped with wet return (15), wet return (15) other end inserts to be connected and is equipped with header tank (16), header tank (16) upside is passed and is equipped with water-absorbing pipe (17), water-absorbing pipe (17) one end extends to header tank (16) bottom and connects and is equipped with filter (18), water-absorbing pipe (17) other end is connected with suction pump (2.6) one side.

2. The bottom cooling device of submerged arc furnace as claimed in claim 1, wherein: one side above the water collecting tank (16) is connected with a water inlet pipe (19), the lower part of one side of the water collecting tank (16) is connected with a water outlet pipe (20), and a water control valve (21) is arranged on the water outlet pipe (20).

3. The bottom cooling device of submerged arc furnace as claimed in claim 1, wherein: the first cooling pipe (7) and the second cooling pipe (11) are made of steel materials with strong heat conductivity.

4. The bottom cooling device of submerged arc furnace as claimed in claim 1, wherein: the cooling pipes I (7) and the cooling pipes II (11) are arranged in a crossed mode.