CN216717000U

CN216717000U - Carbon-based closed furnace shell water cooling device for high-silicon silicomanganese ore heating furnace

Info

Publication number: CN216717000U
Application number: CN202122797556.6U
Authority: CN
Inventors: 赵勋彰; 白富强; 谭小锋
Original assignee: Xinghe County Shanhe Special Steel Co ltd
Current assignee: Xinghe County Shanhe Special Steel Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-10
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a carbon closed furnace shell water cooling device for a high-silicon silicomanganese ore heating furnace, which comprises a furnace shell, wherein a furnace lining is fixedly arranged on the inner wall of the furnace shell, a circulating cooling device is fixedly arranged in the inner wall of the furnace shell and can be used for forcibly cooling the furnace lining, the furnace lining adopts high-thermal-conductivity carbon with good thermal efficiency, the circulating cooling device comprises a circulating pipeline, and the input end and the output end of the circulating pipeline are respectively and fixedly connected with a water inlet pipe and a water outlet pipe. The utility model can reduce the masonry thickness of the furnace wall, reduce the furnace building cost, play a good protection role on the furnace lining and prolong the service life of the furnace lining.

Description

Carbon-based closed furnace shell water cooling device for high-silicon silicomanganese ore heating furnace

The technical field is as follows:

the utility model relates to the technical field of submerged arc furnaces, in particular to a carbon closed furnace shell water cooling device of a high-silicon-manganese ore submerged arc furnace.

Background art:

the submerged arc furnace features that the electrodes are inserted into the furnace charge to perform submerged arc operation, and the energy generated by electric arc and the resistance in furnace charge is used to smelt metal. Under the condition of high-strength smelting, the furnace lining bears high thermal load and strong thermal shock, and is also resistant to the damage of furnace lining caused by the scouring of furnace burden and air flow, chemical erosion and the like, so that the furnace building cost is increased, the service life of the furnace lining is short, and the production efficiency of the submerged arc furnace is influenced.

The utility model has the following contents:

the utility model aims to provide a carbon closed furnace shell water cooling device for a high-silicon silicomanganese ore heating furnace.

The utility model is implemented by the following technical scheme:

the utility model provides a hot stove carbonaceous closed stove outer covering water cooling plant of high silicon manganese ore deposit, includes the stove outer covering, the fixed furnace lining that is equipped with on the stove outer covering inner wall, stove outer covering inner wall internal fixation is equipped with cooling back installation, and cooling back installation can be to the forced cooling of furnace lining, the furnace lining adopts high thermal conductivity carbonaceous, cooling back installation includes circulating line, circulating line input and output difference fixedly connected with inlet tube and outlet pipe.

Preferably, the circulating pipeline comprises a plurality of flow units and connecting arc pipes, and the connecting arc pipes are fixedly connected between the tops of the adjacent flow units.

Preferably, the circulation unit includes first honeycomb duct, second honeycomb duct and arc honeycomb duct, fixedly connected with arc honeycomb duct between first honeycomb duct bottom output and the second honeycomb duct bottom input, fixed mounting has the blowoff valve on the arc honeycomb duct.

Preferably, first honeycomb duct both sides fixed connection with each other respectively has first pipe, first pipe input and first honeycomb duct output fixed connection, and first pipe output and first honeycomb duct input fixed connection, second honeycomb duct both sides fixed connection with each other respectively has the second pipe, second pipe input and second honeycomb duct output fixed connection, and second pipe output and second honeycomb duct input fixed connection, the input and the output of first pipe and second pipe are fixed with the check valve respectively.

Preferably, the inner diameter of the first guide pipe is smaller than the inner diameter of the first guide pipe, and the inner diameter of the second guide pipe is smaller than the inner diameter of the second guide pipe.

The utility model has the advantages that: the method can reduce the masonry thickness of the furnace wall, reduce the furnace building cost, play a good protection role on the furnace lining and prolong the service life of the furnace lining.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of a partial structure according to the present invention.

In the figure: the furnace comprises a furnace shell 1, a circulating pipeline 2, a blowoff valve 3, a water inlet pipe 4, a water outlet pipe 5, a first guide pipe 6, a second guide pipe 7, an arc-shaped guide pipe 8, a first guide pipe 9 and a second guide pipe 10.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention provides the following technical solutions: the utility model provides a hot stove carbonaceous closed stove outer covering water cooling plant of high silicon silicomanganese ore, includes stove outer covering 1, fixedly on the stove outer covering 1 inner wall being equipped with the furnace lining, and the fixed circulative cooling device that is equipped with in stove outer covering 1 inner wall, circulative cooling device can be to the furnace lining forced cooling, and the furnace lining adopts the high thermal conductivity carbonaceous that the thermal efficiency is good, and circulative cooling device includes circulating line 2, and circulating line 2 input and output are fixedly connected with inlet tube 4 and outlet pipe 5 respectively.

The circulating pipeline 2 comprises a plurality of circulation units and connecting arc pipes, and the connecting arc pipes are fixedly connected between the tops of the adjacent circulation units.

The circulation unit includes first honeycomb duct 6, second honeycomb duct 7 and arc honeycomb duct 8, fixedly connected with arc honeycomb duct 8 between 6 bottom outputs of first honeycomb duct and 7 bottom inputs of second honeycomb duct, and fixed mounting has blowoff valve 3 on the arc honeycomb duct 8.

The two sides of the first guide pipe 6 are respectively fixedly communicated with a first guide pipe 9, the input end of the first guide pipe 9 is fixedly connected with the output end of the first guide pipe 6, the output end of the first guide pipe 9 is fixedly connected with the input end of the first guide pipe 6, the two sides of the second guide pipe 7 are respectively fixedly communicated with a second guide pipe 10, the input end of the second guide pipe 10 is fixedly connected with the output end of the second guide pipe 7, the output end of the second guide pipe 10 is fixedly connected with the input end of the second guide pipe 7, and the input end and the output end of the first guide pipe 9 and the output end of the second guide pipe 10 are respectively fixed with a one-way valve.

The first duct 9 has an internal diameter smaller than that of the first duct 6 and the second duct 10 has an internal diameter smaller than that of the second duct 7.

The working principle and the using process of the utility model are as follows:

a4 mm cold-rolled plate is bent to form a circulating pipeline 2, the circulating pipeline is continuously welded on a furnace shell 1, a drain valve 3 is arranged at the lowest point of each circulating pipeline so as to facilitate draining, water is supplied by a circulating pump on a water inlet pipe 4, the water pressure of the water supply is higher than 0.25MPa, and circulating water circulates in the circulating pipeline for use.

The furnace lining of the submerged arc furnace can be cooled forcibly, and the hot surface temperature of the refractory material is ensured to be greatly lower than the solidification temperature of metal in the reaction process through efficient cooling and a thin high-thermal-conductivity carbon furnace lining with good thermal efficiency. So that its cold surface tends to solidify thereon slag and metal produced in the production, forming a thermal insulation layer. The effective cooling keeps the hot surface of the refractory material under the slag shell complete, is beneficial to keeping the refractory material at a lower temperature, improves the heat conductivity and microporosity of the furnace lining material, and prolongs the service life of the furnace lining.

Meanwhile, the circulating pipeline 2 is composed of a plurality of circulating units and connecting arc pipes, each circulating unit comprises a first guide pipe 6, a second guide pipe 7 and an arc-shaped guide pipe 8, circulating water flows into the arc-shaped guide pipes 8 through the first guide pipes 6 and then flows into the second guide pipes 7, when the circulating water flows out of the first guide pipes 6, a part of circulating water flows into the first guide pipes 9, and because the inner diameter of the first guide pipes 9 is smaller than that of the first guide pipes 6, the circulating water flowing speed in the first guide pipes 9 is accelerated, the output ends of the first guide pipes 9 are connected with the input ends of the first guide pipes 6, so that the accelerated circulating water can be input into the first guide pipes 6, a certain scouring effect is formed, impurities in the circulating water are scoured away, and blocking is prevented.

When circulating water flows out of the second flow guide pipe 7 in the same way, a part of circulating water flows into the second flow guide pipe 10, because the inner diameter of the second flow guide pipe 10 is smaller than the inner diameter of the first flow guide pipe 6, and the output end of the second flow guide pipe 10 is connected with the input end of the first flow guide pipe 6, so that accelerated circulating water can be input into the second flow guide pipe 7, a certain flushing effect can be formed, impurities in the circulating water are flushed away, and blockage is prevented.

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 utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a hot stove carbonaceous closed stove outer covering water cooling plant of high silicon silicomanganese ore, includes stove outer covering (1), the fixed furnace lining that is equipped with on stove outer covering (1) inner wall, its characterized in that, stove outer covering (1) inner wall internal fixation is equipped with cooling back installation, and cooling back installation can be to the forced cooling of furnace lining, the furnace lining adopts high thermal conductivity carbonaceous, cooling back installation includes circulating line (2), circulating line (2) input and output difference fixedly connected with inlet tube (4) and outlet pipe (5).

2. The carbonaceous closed furnace shell water cooling device for the high-silicon silicomanganese ore heating furnace according to claim 1, characterized in that: the circulating pipeline (2) comprises a plurality of circulating units and connecting arc pipes, and the connecting arc pipes are fixedly connected between the tops of the adjacent circulating units.

3. The carbonaceous closed furnace shell water cooling device for the high-silicon silicomanganese ore heating furnace according to claim 2, characterized in that: circulation unit includes first honeycomb duct (6), second honeycomb duct (7) and arc honeycomb duct (8), fixedly connected with arc honeycomb duct (8) between first honeycomb duct (6) bottom output and second honeycomb duct (7) bottom input, fixed mounting has blowoff valve (3) on arc honeycomb duct (8).

4. The carbonaceous closed furnace shell water-cooling device for the high-silicon silicomanganese ore heating furnace according to claim 3, characterized in that: first honeycomb duct (6) both sides respectively fixed connection with each other have first pipe (9), first pipe (9) input and first honeycomb duct (6) output end fixed connection, and first pipe (9) output and first honeycomb duct (6) input end fixed connection, second honeycomb duct (7) both sides respectively fixed connection with each other have second pipe (10), second pipe (10) input and second honeycomb duct (7) output end fixed connection, and second pipe (10) output and second honeycomb duct (7) input end fixed connection, the input and the output of first pipe (9) and second pipe (10) are fixed with the check valve respectively.

5. The carbonaceous closed furnace shell water-cooling device for the high-silicon silicomanganese ore heating furnace according to claim 4, characterized in that: the inner diameter of the first guide pipe (9) is smaller than that of the first guide pipe (6), and the inner diameter of the second guide pipe (10) is smaller than that of the second guide pipe (7).