CN212566841U

CN212566841U - Heat accumulating type energy-saving refining furnace structure

Info

Publication number: CN212566841U
Application number: CN202020999647.0U
Authority: CN
Inventors: 陈志明
Original assignee: Nanchang City Nanfang Continuous Casting Project Co ltd
Current assignee: Nanchang City Nanfang Continuous Casting Project Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-02-19
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a refining furnace technical field discloses a heat accumulation formula energy-saving refining furnace structure, for the energy-conserving performance that improves the refining furnace, one side that the top that supports the chassis is located the refining furnace body is fixed with drive mechanism, one side that the top of encapsulation upper cover is located agitator motor is provided with waste heat recovery mechanism, the outside of transmission main shaft is fixed with the stirring rake, the outside of bearing frame is fixed with the slag charge filter screen. The utility model discloses a waste heat recovery mechanism is to the thermal recycle of refining furnace production, has not only improved the energy-conserving efficiency of refining furnace, and the noxious material that mix with in the heat can be avoided simultaneously harms the healthy of staff, and to the molten steel refining in-process, through the closure of drive mechanism drive upper cover, open, under agitator motor drives the stirring rake to the stirring of molten steel, can make the slag charge waste material in the molten steel fall to the slag charge filter screen on, the staff of being convenient for gathers the clearance.

Description

Heat accumulating type energy-saving refining furnace structure

Technical Field

The utility model relates to a refining furnace technical field specifically is a heat accumulation formula energy-saving refining furnace structure.

Background

The refining furnace is a smelting device in the hot working industry, is used for carrying out final deoxidation and alloying on molten steel in ferrous metallurgy, and is mainly divided into a reverberatory furnace, a rotary furnace and a tilting furnace.

Through retrieval, the Chinese patent network discloses a novel refining furnace (publication No. CN 209836223U), an auxiliary fixing structure is arranged in the middle of the lower end face of the furnace body, a discharging structure is arranged on the lower end face of the furnace body, the left and right ends of the furnace body and a cover body are connected through a cover lifting structure, a sealing boss is arranged on the lower end face of the cover body, the sealing boss is matched with an inner cavity of the furnace body, and connecting rods which are uniformly distributed are fixed in the middle of the cover body. The treatment capacity of slag charge waste in molten steel is insufficient, and the labor intensity of workers is easily increased. Therefore, the heat accumulating type energy-saving refining furnace structure is provided by the technical personnel in the field, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat accumulation formula energy-saving refining furnace structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat accumulating type energy-saving refining furnace structure comprises a supporting underframe, a refining furnace body is placed above the supporting underframe, a transmission mechanism is fixed on one side, located at the refining furnace body, of the upper part of the supporting underframe, a liquid discharge pipe is embedded into one side, located at the bottom end, of the refining furnace body, a packaging upper cover is arranged above the refining furnace body in a matched mode, a stirring motor is fixed on the middle position, located at the middle position, of the upper part of the packaging upper cover, a waste heat recovery mechanism is arranged on one side, located at the stirring motor, of the upper part of the packaging upper cover, a transmission main shaft is rotatably connected to the middle position below the packaging upper cover, a stirring paddle is fixed on the outer side of the transmission main shaft, a bearing seat is connected to the bottom end of the transmission main shaft, and a slag filter screen is;

the transmission mechanism comprises a positioning plate frame fixed at the position above the supporting underframe, a transmission motor is fixed at the position, located at the middle position, above the positioning plate frame, the inner side of the positioning plate frame is rotatably connected with a transmission lead screw at the middle position, positioning slide rods are symmetrically fixed at two sides of the transmission lead screw, transmission arms are sleeved on the transmission lead screw and the outer sides of the positioning slide rods, and an upper packaging cover is fixed at the top end of each transmission arm;

waste heat recovery mechanism arranges the mouth including the embedding sets up the steam above the encapsulation upper cover, the inboard that the mouth was arranged to the steam is provided with the fan that admits air, and the exhaust end that the mouth was arranged to the steam is connected with the hose that admits air, the top of the hose that admits air is connected with the cartridge filter, the inboard of cartridge filter is located bottom position department block and has the desulfurization filter screen, and the inboard of cartridge filter is located top position department block and has the catalytic carrier.

As a further aspect of the present invention: the length of the transmission screw rod and the length of the positioning sliding rod are the same as the height of the tank body of the refining furnace body, and the length of the transmission screw rod and the length of the positioning sliding rod are not less than 2 m.

As a further aspect of the present invention: two sets ofly are no less than to the quantity of stirring rake, and the paddle quantity of stirring rake every group is no less than three.

As a further aspect of the present invention: the inner wall of refining furnace body is fixed with spacing cardboard, the outside of slag charge filter screen is located border position department and is seted up the spacing draw-in groove with spacing cardboard looks adaptation, the refining furnace body passes through spacing cardboard and spacing draw-in groove block with the slag charge filter screen and is connected.

As a further aspect of the present invention: the air inlet hose is made of a stainless steel corrugated pipe material component, and the telescopic length of the air inlet hose is the same as the lifting height of the packaging upper cover.

As a further aspect of the present invention: the desulfurization filter screen adopts the quartz material component, the catalysis carrier adopts the ceramic material component, and the catalysis carrier is the honeycomb structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a waste heat recovery mechanism is to refining furnace heat recovery's recycle, the form of traditional heat direct emission has been replaced, the energy-conserving efficiency of refining furnace has not only been improved, can avoid the noxious material that mix with in the heat to harm staff's healthy simultaneously, and to the molten steel refining in-process, it is closed to drive the upper cover through drive mechanism, open, drive the stirring rake under the stirring to the molten steel at agitator motor, can make the slag charge waste material in the molten steel fall to on the slag charge filter screen, when the staff of being convenient for gathers the clearance, staff's intensity of labour has been reduced again.

Drawings

FIG. 1 is a schematic structural view of a heat accumulating type energy-saving refining furnace;

FIG. 2 is a schematic view of the internal structure of a refining furnace body in a heat accumulating type energy-saving refining furnace structure;

fig. 3 is a schematic structural view of a transmission mechanism in a heat accumulating type energy-saving refining furnace structure.

In the figure: 1. a support chassis; 2. a liquid discharge pipe; 3. a refining furnace body; 4. packaging the upper cover; 5. a hot air outlet; 6. a stirring motor; 7. an air intake hose; 8. a filter cartridge; 9. a drive arm; 10. positioning the plate frame; 11. a drive motor; 12. a transmission screw rod; 13. positioning the slide bar; 14. an air inlet fan; 15. a desulfurization filter screen; 16. a catalytic support; 17. a transmission main shaft; 18. a stirring paddle; 19. a bearing seat; 20. a slag filter screen; 21. spacing cardboard.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a heat accumulating type energy-saving refining furnace structure comprises a supporting base frame 1, a refining furnace body 3 is placed above the supporting base frame 1, a transmission mechanism is fixed on one side of the refining furnace body 3 above the supporting base frame 1, the transmission mechanism comprises a positioning plate frame 10 fixed on the supporting base frame 1, a transmission motor 11 is fixed on the middle position above the positioning plate frame 10, a transmission screw 12 is rotatably connected to the middle position of the inner side of the positioning plate frame 10, positioning slide bars 13 are symmetrically fixed on two sides of the transmission screw 12, transmission arms 9 are sleeved on the outer sides of the transmission screw 12 and the positioning slide bars 13, a packaging upper cover 4 is fixed on the top ends of the transmission arms 9, the lengths of the transmission screw 12 and the positioning slide bars 13 are the same as the height of a tank body of the refining furnace body 3, and the lengths of the transmission screw 12 and the positioning slide bars 13 are not less than 2m, when refining the molten steel, pour the molten steel in the ladle into to refining furnace body 3 in, and then drive motor 11 work, drive transmission lead screw 12 and rotate, under the spacing block of location slide bar 13, drive transmission arm 9 and slide on transmission lead screw 12, make encapsulation upper cover 4 and refining furnace body 3 closed, carry out refining to the molten steel.

A liquid discharge pipe 2 is embedded and arranged at the position of one side of a refining furnace body 3 positioned at the bottom end, a packaging upper cover 4 is arranged above the refining furnace body 3 in a matching way, a stirring motor 6 is fixed at the position of the middle part positioned above the packaging upper cover 4, a waste heat recovery mechanism is arranged at one side of the stirring motor 6 positioned above the packaging upper cover 4 and comprises a hot air exhaust port 5 embedded and arranged above the packaging upper cover 4, an air inlet fan 14 is arranged at the inner side of the hot air exhaust port 5, the exhaust end of the hot air exhaust port 5 is connected with an air inlet hose 7, the top end of the air inlet hose 7 is connected with a filter cartridge 8, a desulfurization filter screen 15 is clamped at the position of the inner side of the filter cartridge 8 positioned at the bottom end, a catalytic carrier 16 is clamped at the position of the inner side of the filter cartridge 8 positioned at the top end, the air inlet hose 7 is made of a stainless steel corrugated pipe material, desulfurization filter screen 15 adopts the quartz material component, catalysis carrier 16 adopts the ceramic material component, and catalysis carrier 16 is the honeycomb structure, to the molten steel refining in-process, the work of air inlet fan 14, the waste heat adsorption row that produces the refining in the refining furnace body 3 is to the hose 7 that admits air, arrange to cartridge filter 8 purification filtration through the hose 7 that admits air, the desulfurization filter screen 15 of quartz material carries out prefiltration to the vulcanisate in the waste heat, and then ceramic material's catalysis carrier 16 carries out filtration treatment once more to the toxic gas in the waste heat, arrange the clean waste heat to reuse in the relevant equipment and use.

A transmission main shaft 17 is rotatably connected at the middle position below the upper sealing cover 4, stirring paddles 18 are fixed at the outer side of the transmission main shaft 17, a bearing seat 19 is connected at the bottom end of the transmission main shaft 17, a slag filter screen 20 is fixed at the outer side of the bearing seat 19, the number of the stirring paddles 18 is not less than two, and each group of the number of the blades of the stirring paddles 18 is not less than three, in the process of refining the molten steel, the stirring motor 6 works to drive the transmission main shaft 17 to rotate, the stirring paddles 18 are synchronously driven to rotate to stir the molten steel, in the stirring process, the molten steel is refined and kept uniform and efficient, the slag generated by refining is stirred and settled onto the slag filter screen 20 under the synchronous transfer connection of the slag filter screen 20 by the bearing seat 19, a limiting clamping plate 21 is fixed at the inner wall of the refining furnace body 3, and a limiting clamping groove matched with the limiting clamping plate 21 is arranged at the edge position, refining furnace body 3 is connected through spacing cardboard 21 and spacing draw-in groove block with slag charge filter screen 20, and after the molten steel refining finishes, the molten steel after the refining passes through fluid-discharge tube 2 and discharges, and then driving motor 11 drives the driving arm 9 and rises, drives encapsulation upper cover 4 and opens, and synchronous drive slag charge filter screen 20 shifts out from refining furnace body 3, and the staff of being convenient for carries out the cleaning work to the waste residue on the slag charge filter screen 20.

The utility model discloses a theory of operation is: when the molten steel is refined, the molten steel in a steel ladle is poured into the refining furnace body 3, the transmission motor 11 works to drive the transmission screw rod 12 to rotate, the transmission arm 9 is driven to slide on the transmission screw rod 12 under the limiting clamping of the positioning slide rod 13, the packaging upper cover 4 and the refining furnace body 3 are closed, the molten steel is refined, the stirring motor 6 works to drive the transmission main shaft 17 to rotate in the process of refining the molten steel, the stirring paddle 18 is synchronously driven to rotate to stir the molten steel, the molten steel is refined to keep uniform and high efficiency in the stirring process, the slag generated by refining is stirred and settled onto the slag filter screen 20 under the synchronous transfer connection of the bearing seat 19 to the slag filter screen 20, the air inlet fan 14 works in the process of refining the molten steel, and the waste heat generated by refining in the refining furnace body 3 is absorbed into the air inlet hose 7, arrange to cartridge filter 8 purification filtration through air inlet hose 7, quartz material's desulfurization filter screen 15 carries out prefiltration to the sulphide material in the waste heat, and then ceramic material's catalytic carrier 16 carries out filtration treatment once more to the toxic gas in the waste heat, arrange clear waste heat to reuse in the relevant equipment, after the molten steel is refine finishes, the molten steel after the refining passes through fluid-discharge tube 2 and discharges, and then driving motor 11 drives the driving arm 9 and rises, it opens to drive encapsulation upper cover 4, synchronous drive slag charge filter screen 20 shifts out from refining furnace body 3, the staff of being convenient for carries out the clearance work to the waste residue on the slag charge filter screen 20.

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

1. A heat accumulating type energy-saving refining furnace structure comprises a supporting chassis (1) and is characterized in that a refining furnace body (3) is placed above the supporting chassis (1), a transmission mechanism is fixed on one side, located on the refining furnace body (3), of the supporting chassis (1), a liquid discharge pipe (2) is embedded into one side, located at the bottom end, of the refining furnace body (3), an upper packaging cover (4) is arranged above the refining furnace body (3) in a matched mode, a stirring motor (6) is fixed on the upper packaging cover (4) at the middle position, a waste heat recovery mechanism is arranged on one side, located on the stirring motor (6), of the upper packaging cover (4), a transmission main shaft (17) is rotatably connected to the lower position of the upper packaging cover (4), and a stirring paddle (18) is fixed on the outer side of the transmission main shaft (17), a bearing seat (19) is connected to the bottom end of the transmission main shaft (17), and a slag filter screen (20) is fixed on the outer side of the bearing seat (19); the transmission mechanism comprises a positioning plate frame (10) fixed at the position above the supporting underframe (1), a transmission motor (11) is fixed at the position, located at the middle position, above the positioning plate frame (10), the inner side of the positioning plate frame (10) is rotatably connected with a transmission lead screw (12) at the position, located at the middle position, two sides of the transmission lead screw (12) are symmetrically fixed with positioning slide bars (13), transmission arms (9) are sleeved on the outer sides of the transmission lead screw (12) and the positioning slide bars (13), and the top ends of the transmission arms (9) are fixed with packaging upper covers (4); waste heat recovery mechanism arranges mouth (5) including the embedding sets up the steam in encapsulation upper cover (4) top, the inboard that the steam arranged mouth (5) is provided with into air fan (14), and the exhaust end that the steam arranged mouth (5) is connected with air inlet hose (7), the top of air inlet hose (7) is connected with cartridge filter (8), the inboard that is located bottom position department block of cartridge filter (8) has desulfurization filter screen (15), and the inboard that is located top position department block of cartridge filter (8) has catalytic carrier (16).

2. A heat accumulating energy-saving refining furnace structure according to claim 1, wherein the lengths of the transmission screw rod (12) and the positioning slide rod (13) are the same as the height of the body of the refining furnace body (3), and the lengths of the transmission screw rod (12) and the positioning slide rod (13) are not less than 2 m.

3. A regenerative energy-saving refining furnace structure according to claim 1, characterized in that the number of the paddles (18) is not less than two groups, and the number of the paddles (18) is not less than three per group.

4. A heat accumulating energy-saving refining furnace structure according to claim 1, wherein a limiting clamping plate (21) is fixed on the inner wall of the refining furnace body (3), a limiting clamping groove matched with the limiting clamping plate (21) is formed at the position of the edge of the outer side of the slag filter screen (20), and the refining furnace body (3) and the slag filter screen (20) are connected in a clamping manner through the limiting clamping plate (21) and the limiting clamping groove.

5. A regenerative energy-saving refining furnace structure according to claim 1, characterized in that the air intake hose (7) is made of stainless steel corrugated pipe material, and the flexible length of the air intake hose (7) is the same as the lifting height of the upper cover (4).

6. A regenerative energy-saving refining furnace structure according to claim 1, characterized in that the desulfurization screen (15) is made of quartz material, the catalytic carrier (16) is made of ceramic material, and the catalytic carrier (16) is a honeycomb structure.