CN214950674U - A smelting furnace outside heat preservation device for steel production - Google Patents
A smelting furnace outside heat preservation device for steel production Download PDFInfo
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- CN214950674U CN214950674U CN202120258941.0U CN202120258941U CN214950674U CN 214950674 U CN214950674 U CN 214950674U CN 202120258941 U CN202120258941 U CN 202120258941U CN 214950674 U CN214950674 U CN 214950674U
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- smelting furnace
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Abstract
The utility model relates to a steel production processingequipment technical field specifically is a smelting furnace outside heat preservation device for steel production, the upside intercommunication of smelting the furnace body is equipped with the feed inlet, and the bottom intercommunication of smelting the furnace body is equipped with the discharge gate, the upside intercommunication of smelting the furnace body is equipped with leads the smoke box, and leads to be equipped with in the smoke box and lead cigarette mechanism, lead one side intercommunication that the smoke box kept away from the smelting furnace body and be equipped with and lead the tobacco pipe, and lead and be equipped with filter mechanism on the tobacco pipe, the outside fixedly connected with heat preservation shell of smelting the furnace body. The utility model discloses in, lead the cigarette mechanism through the setting and provide the air current guide effect, will smelt in the furnace body and produce the leading-in smoke guide pipe of hot gas flow, set up filter mechanism and can purify the hot gas flow, prevent environmental pollution, during the hot gas flow pours into the heating pipe, increase the temperature of smelting the furnace body, keep warm, can carry out make full use of to the heat in the waste gas, avoid the wasting of resources, the heating energy consumption is lower, more energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a steel production processingequipment technical field specifically is a smelting furnace outside heat preservation device for steel production.
Background
The smelting furnace is a furnace for melting iron ore, such as hematite or magnetite, to become pig iron, and the furnace body is a refractory-lined tall cylindrical structure, and is filled with washing ore, coke and solvent (the solvent is usually limestone) from the top, and the reduction of iron oxide into metallic iron is a basic process, in which carbon monoxide and hydrogen are used as reducing agents in the steel production process, and the smelting furnace is used for smelting steel raw materials.
The smelting furnace for steel production that has now is comparatively simple structure, and the furnace body outside does not set up heat preservation device, leads to the smelting furnace to cool off at the excessive speed, and the heating power consumption is higher at every turn, and the heat that the smelting furnace produced does not carry out better waste heat recovery and utilizes, not only the polluted environment quality, and causes the energy extravagant. Accordingly, those skilled in the art have provided an outside keeping apparatus for a smelting furnace for steel production to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a smelting furnace outside heat preservation device for steel production to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a smelting furnace outside heat preservation device for steel production, includes the smelting furnace body, the upside intercommunication of smelting the furnace body is equipped with the feed inlet, and the bottom intercommunication of smelting the furnace body is equipped with the discharge gate, the upside intercommunication of smelting the furnace body is equipped with leads the smoke box, and leads to be equipped with in the smoke box and lead cigarette mechanism, lead one side intercommunication that the smoke box kept away from the smelting furnace body and be equipped with and lead the tobacco pipe, and lead and be equipped with filter mechanism on the tobacco pipe, the outside fixedly connected with heat preservation shell of smelting the furnace body is located the heat preservation shell the lateral wall fixedly connected with heating pipe of smelting the furnace body, lead the one end that the tobacco pipe kept away from and lead the smoke box and run through and extend to in the heat preservation shell and set up with the one end intercommunication of heating pipe, the heating pipe is kept away from the one end intercommunication that leads the tobacco pipe and is equipped with the back flow, and the back flow is kept away from the one end of heating pipe and runs through the heat preservation shell and set up with one side intercommunication of smelting the furnace body.
As a further aspect of the present invention: lead cigarette mechanism including fixing the servo motor in leading cigarette case one side, servo motor's drive end rotates and is connected with the pivot of horizontal setting, and the one end that servo motor was kept away from in the pivot runs through and extends to leading the cigarette case and the first bevel gear of fixedly connected with, the installation pole of the horizontal setting of inner wall fixedly connected with of leading the cigarette case, and the downside of installation pole rotates the bull stick that is connected with vertical setting through rotating, be fixed with the second bevel gear who is connected with first bevel gear meshing on the bull stick, and the bull stick keeps away from the one end fixedly connected with fan blade wheel that rotates.
As a further aspect of the present invention: the filter mechanism with lead the rose box that the tobacco pipe intercommunication set up, the rose box is close to one side inner wall fixedly connected with smoke and dust filter screen of leading the smoke box, and the rose box keeps away from one side inner wall fixedly connected with active carbon filter screen of leading the smoke box, is located and leads between smoke box and the smoke and dust filter screen the downside threaded connection of rose box has the smoke and dust to collect the box.
As a further aspect of the present invention: and a steel wire filter screen is fixedly connected to the inner wall of the communicating opening of the smoke guide box and the smelting furnace body.
As a further aspect of the present invention: the front side of the smelting furnace body is fixedly connected with a control switch, and the input end of the smoke guide mechanism is electrically connected with the control switch.
As a further aspect of the present invention: and an electromagnetic pressure relief valve is arranged on one side of the smoke guide pipe between the filtering mechanism and the heat preservation shell.
As a further aspect of the present invention: the heating pipe is of an annular bent pipe structure, and the heating pipe is made of pure copper components.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up the smoke guide mechanism, start servo motor work, drive the pivot and rotate, and then drive first bevel gear and rotate, because first bevel gear and second bevel gear meshing, and then drive the bull stick and rotate, realize the rotation of fan wheel, the rotatory wind-force suction that produces of fan wheel, will smelt in the furnace body the hot gas flow that produces leads to in leading the smoke guide pipe, provide the air current guide effect, make the circulation of air current more smooth and easy.
2. Through setting up filtering mechanism, through the filtration adsorption of smoke and dust filter screen and active carbon filter screen, can purify the hot gas flow, the smoke and dust of crossing off falls to the smoke and dust and collects in collecting the box, prevents environmental pollution.
3. The hot air flow is injected into the heating pipe through the smoke guide pipe to increase the temperature of the smelting furnace body and preserve heat, and finally the hot air flow flows back into the smelting furnace body through the return pipe, so that the heat in the waste gas can be fully utilized, the resource waste is avoided, the heat preservation effect on the smelting furnace body is good, the heating energy consumption is lower, and the energy-saving and environment-friendly effects are achieved.
Drawings
FIG. 1 is a schematic perspective view of an external insulation system for a furnace used in steel production;
FIG. 2 is a schematic sectional view of a smoke guiding box and a filtering box in an external heat preservation device of a smelting furnace for steel production;
FIG. 3 is a schematic view of a partial cross-sectional structure of a smelting furnace body in an external heat-insulating device of a smelting furnace for steel production.
In the figure: 1. a smelting furnace body; 2. a feed inlet; 3. a discharge port; 4. a smoke guide box; 5. a smoke guide pipe; 6. a heat preservation shell; 7. heating a tube; 8. a return pipe; 9. a servo motor; 10. a rotating shaft; 11. a first bevel gear; 12. mounting a rod; 13. a rotating rod; 14. a second bevel gear; 15. a wind impeller; 16. a filter box; 17. a smoke dust filter screen; 18. an activated carbon filter screen; 19. a smoke dust collecting box; 20. a steel wire filter screen; 21. a control switch; 22. an electromagnetic pressure relief valve.
Detailed Description
Referring to fig. 1-3, in the embodiment of the present invention, an external thermal insulation device for a smelting furnace used in steel production comprises a smelting furnace body 1, the smelting furnace body 1 is a common prior art, so it is not explained herein too much, the upper side of the smelting furnace body 1 is communicated with a feed inlet 2, the bottom of the smelting furnace body 1 is communicated with a discharge outlet 3, the upper side of the smelting furnace body 1 is communicated with a smoke guiding box 4, a smoke guiding mechanism is arranged in the smoke guiding box 4, one side of the smoke guiding box 4 far from the smelting furnace body 1 is communicated with a smoke guiding pipe 5, a filtering mechanism is arranged on the smoke guiding pipe 5, the external side of the smelting furnace body 1 is fixedly connected with a thermal insulation shell 6, a heating pipe 7 is fixedly connected to the side wall of the smelting furnace body 1 in the thermal insulation shell 6, one end of the smoke guiding pipe 5 far from the smoke guiding box 4 extends into the thermal insulation shell 6 and is communicated with one end of the heating pipe 7, the end, far away from the smoke guide pipe 5, of the heating pipe 7 is communicated with a return pipe 8, the end, far away from the heating pipe 7, of the return pipe 8 penetrates through the heat preservation shell 6 and is communicated with one side of the smelting furnace body 1, hot air is injected into the heating pipe 7 through the smoke guide pipe 5 to increase the temperature of the smelting furnace body 1 and preserve heat, and the hot air finally flows back into the smelting furnace body 1 through the return pipe 8, so that heat in waste gas can be fully utilized, resource waste is avoided, the heat preservation effect on the smelting furnace body 1 is good, heating energy consumption is lower, and energy conservation and environmental protection are realized;
in fig. 2: the smoke guiding mechanism comprises a servo motor 9 fixed on one side of a smoke guiding box 4, a driving end of the servo motor 9 is rotatably connected with a rotating shaft 10 which is transversely arranged, one end of the rotating shaft 10, far away from the servo motor 9, penetrates and extends into the smoke guiding box 4 and is fixedly connected with a first bevel gear 11, an inner wall of the smoke guiding box 4 is fixedly connected with an installation rod 12 which is transversely arranged, the lower side of the installation rod 12 is rotatably connected with a rotating rod 13 which is vertically arranged through a rotating piece, a second bevel gear 14 which is meshed and connected with the first bevel gear 11 is fixed on the rotating rod 13, one end of the rotating rod 13, far away from the rotating piece, is fixedly connected with a wind impeller 15, the servo motor 9 is started to work to drive the rotating shaft 10 to rotate so as to drive the first bevel gear 11 to rotate, and the first bevel gear 11 is meshed with the second bevel gear 14 so as to drive the rotating rod 13 to rotate, so that the wind impeller 15 rotates to generate wind suction force, the hot air flow generated in the smelting furnace body 1 is guided into the smoke guide pipe 5 to provide the airflow guide function, so that the airflow is more smoothly circulated;
in fig. 2: the filter mechanism is communicated with the filter box 16 arranged on the smoke guide pipe 5, the inner wall of one side of the filter box 16 close to the smoke guide box 4 is fixedly connected with a smoke filter screen 17, the inner wall of one side of the filter box 16 far away from the smoke guide box 4 is fixedly connected with an active carbon filter screen 18, the lower side of the filter box 16 between the smoke guide box 4 and the smoke filter screen 17 is in threaded connection with a smoke collection box 19, hot air flow can be purified through the filtering and adsorbing effects of the smoke filter screen 17 and the active carbon filter screen 18, and filtered smoke falls into the smoke collection box 19 to be collected, so that environmental pollution is prevented;
in fig. 2: the inner wall of the communicating opening of the smoke guide box 4 and the smelting furnace body 1 is fixedly connected with a steel wire filter screen 20, so that the smoke dust in the waste gas can be preliminarily filtered;
in fig. 1: the front side of the smelting furnace body 1 is fixedly connected with a control switch 21, and the input end of the smoke guide mechanism is electrically connected with the control switch 21, so that the smelting furnace is convenient to operate and control and saves manpower in the prior art;
in fig. 1: an electromagnetic pressure relief valve 22 is arranged on one side of the smoke guide pipe 5 between the filtering mechanism and the heat preservation shell 6, and can perform pressure relief to prevent the pressure of the smoke guide pipe 5 from being too high;
in fig. 3: the heating pipe 7 is of an annular bent pipe structure, has a contact surface and a good heat conduction effect, and the heating pipe 7 is made of a pure copper component and is long in service life.
The utility model discloses a theory of operation is: when the smelting furnace body 1 works, a large amount of waste gas heat flow with heat and smoke dust is generated in the smelting furnace body 1, the servo motor 9 is started to work to drive the rotating shaft 10 to rotate so as to drive the first bevel gear 11 to rotate, the rotating rod 13 is driven to rotate due to the fact that the first bevel gear 11 is meshed with the second bevel gear 14, the wind impeller 15 rotates to generate wind power suction, hot air generated in the smelting furnace body 1 is guided into the smoke guide pipe 5, and an air flow guiding effect is provided, so that the air flow is smoother to circulate;
through the filtration adsorption of smoke and dust filter screen 17 and active carbon filter screen 18, can purify the hot gas flow, the smoke and dust that filters out falls to and collects in the box 19 is collected to the smoke and dust, the hot gas flow after the purification is poured into heating pipe 7 by leading in the tobacco pipe 5, increase the temperature of smelting furnace body 1, keep warm, the hot gas flow is finally by back flow 8 backward flow to smelting furnace body 1 in, can carry out make full use of to the heat in the waste gas, avoid the wasting of resources, and it is effectual to the heat preservation of smelting furnace body 1, the heating energy consumption is lower, it is more energy-concerving and environment-protective.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a smelting furnace outside heat preservation device for steel production, includes smelting furnace body (1), its characterized in that, the upside intercommunication of smelting furnace body (1) is equipped with feed inlet (2), and the bottom intercommunication of smelting furnace body (1) is equipped with discharge gate (3), the upside intercommunication of smelting furnace body (1) is equipped with leads smoke box (4), and is equipped with in leading smoke box (4) and leads cigarette mechanism, one side intercommunication that smoke box (4) kept away from smelting furnace body (1) is equipped with leads tobacco pipe (5), and is equipped with filter mechanism on leading tobacco pipe (5), the outside fixedly connected with heat preservation shell (6) of smelting furnace body (1), be located heat preservation shell (6) the lateral wall fixedly connected with heating pipe (7) of smelting furnace body (1), the one end that leads tobacco pipe (5) to keep away from leads smoke box (4) runs through and extends to in heat preservation shell (6) and sets up with the one end intercommunication of heating pipe (7), the heating pipe (7) is communicated with one end, far away from the smoke guide pipe (5), of the return pipe (8), and one end, far away from the heating pipe (7), of the return pipe (8) penetrates through the heat preservation shell (6) and is communicated with one side of the smelting furnace body (1).
2. The outside holding device of a smelting furnace for steel production according to claim 1, it is characterized in that the smoke guiding mechanism comprises a servo motor (9) fixed on one side of the smoke guiding box (4), the driving end of the servo motor (9) is rotationally connected with a rotating shaft (10) which is transversely arranged, and one end of the rotating shaft (10) far away from the servo motor (9) penetrates and extends into the smoke guide box (4) and is fixedly connected with a first bevel gear (11), the inner wall of the smoke guide box (4) is fixedly connected with a transversely arranged mounting rod (12), the lower side of the mounting rod (12) is rotationally connected with a vertically arranged rotating rod (13) through a rotating piece, a second bevel gear (14) which is meshed and connected with the first bevel gear (11) is fixed on the rotating rod (13), and one end of the rotating rod (13) far away from the rotating piece is fixedly connected with a wind impeller (15).
3. The smelting furnace outer side heat preservation device for steel production according to claim 1, characterized in that, the filtering mechanism and the filter box (16) that the smoke guide pipe (5) communicates the setting, one side inner wall fixedly connected with smoke filter screen (17) that the filter box (16) is close to the smoke guide box (4), and one side inner wall fixedly connected with active carbon filter screen (18) that the filter box (16) is far away from the smoke guide box (4), lie in between smoke guide box (4) and smoke filter screen (17) the downside threaded connection of filter box (16) has smoke collection box (19).
4. The outer side heat preservation device of the smelting furnace for steel production according to claim 1 is characterized in that a steel wire filter screen (20) is fixedly connected to the inner wall of the communication port of the smoke guiding box (4) and the smelting furnace body (1).
5. The outer side heat preservation device of the smelting furnace for steel production according to claim 1 is characterized in that a control switch (21) is fixedly connected to the front side of the smelting furnace body (1), and the input end of the smoke guide mechanism is electrically connected with the control switch (21).
6. The external heat-insulating device of the smelting furnace for steel production according to claim 1, characterized in that one side of the smoke guiding pipe (5) between the filtering mechanism and the heat-insulating shell (6) is provided with an electromagnetic pressure relief valve (22).
7. The outer side heat preservation device of the smelting furnace for steel production according to claim 1, characterized in that the heating pipe (7) is of an annular bent pipe structure, and the heating pipe (7) is a pure copper component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120258941.0U CN214950674U (en) | 2021-01-29 | 2021-01-29 | A smelting furnace outside heat preservation device for steel production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120258941.0U CN214950674U (en) | 2021-01-29 | 2021-01-29 | A smelting furnace outside heat preservation device for steel production |
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| CN214950674U true CN214950674U (en) | 2021-11-30 |
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| CN202120258941.0U Active CN214950674U (en) | 2021-01-29 | 2021-01-29 | A smelting furnace outside heat preservation device for steel production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409228A (en) * | 2022-02-17 | 2022-04-29 | 乐鑫 | Novel smelting furnace for glass processing |
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2021
- 2021-01-29 CN CN202120258941.0U patent/CN214950674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409228A (en) * | 2022-02-17 | 2022-04-29 | 乐鑫 | Novel smelting furnace for glass processing |
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