Furnace door of submerged arc furnace

Abstract

The utility model discloses a submerged arc furnace door which comprises a furnace door body, one end of the furnace door body is rotationally connected with a fixing plate, a furnace door handle is fixed to one end of the front face of the furnace door body, fixing holes are formed in the four corners of the fixing plate, the front face of the fixing plate is fixedly connected with a compressor, and the two ends of the compressor are provided with an air inlet end and an air outlet end. A heat insulation shell is fixed to the back face of the furnace door, a purification assembly is fixed in the heat insulation shell, one end of the purification assembly is fixedly connected with the air inlet end, a cooling assembly is further fixed in the heat insulation shell, and one end of the cooling assembly is fixedly connected with the air outlet end. After the temperature of the purified air is reduced through the cooling assembly, the purified air flows in the furnace door, the furnace door is cooled and then is discharged from one end of the furnace door to form airflow to blow sparks splashed near the furnace door into the furnace or extinguish the sparks, and harm to human bodies caused by poisonous gas and the splashed sparks after the furnace door is opened is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ore furnace, concretely is a ore furnace door. BACKGROUND

[0002] Ore furnace is also called arc furnace or resistance furnace, and is mainly used for reduction smelting of metal oxide ore, and the ore furnace mainly comprises a furnace shell, a furnace cover, a furnace door, electrodes and a dust removal and smoke exhaust system, wherein the ore furnace door is frequently opened for the need of feeding and pushing material, when the furnace door needs to be opened, toxic gas and sparks generated by high-temperature combustion in the furnace will be leaked with the opening of the furnace door, the toxic gas will affect the health of the human body after being inhaled, and the flying sparks will also cause harm to the human body. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In order to solve the problems existing in the above-mentioned, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide an ore furnace door, which can avoid the harm of toxic gas and flying sparks to the human body after opening the furnace door by sucking the air near the furnace door through the purification assembly, filtering the toxic gas, and then flowing the purified air in the furnace door through the cooling assembly to reduce the temperature of the air, and then discharging the air from one end of the furnace door to form an air flow to blow the flying sparks near the furnace door into the furnace or blow them out.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] An ore furnace door comprises a furnace door, a fixed plate rotatably connected to one end of the furnace door, a furnace door handle fixed to one end of the front surface of the furnace door, fixed holes formed in the four corners of the fixed plate, a compressor fixedly connected to the front surface of the fixed plate, air inlet ends and air outlet ends provided at both ends of the compressor, a heat insulation shell fixed to the back surface of the furnace door, a purification assembly fixed in the heat insulation shell, one end of the purification assembly fixedly connected to the air inlet end, and a cooling assembly also fixed in the heat insulation shell, one end of the cooling assembly fixedly connected to the air outlet end.

[0008] As a preferred scheme of the utility model of a mineral heat furnace door, wherein, the purification assembly includes fixed frame, the fixed frame is fixed in the heat insulation shell, the heat insulation shell top end is equipped with the installation slot, the heat insulation shell front face upper end is equipped with the air inlet grille, the fixed frame is slidably connected with the filter plate, the fixed frame is fixedly connected with the air inlet elbow in the middle, the air inlet elbow other end is fixedly connected with the air inlet hose, the air inlet hose other end is fixedly connected with the air inlet end.

[0009] As a preferred scheme of the utility model of a mineral heat furnace door, wherein, the cooling assembly includes the air outlet elbow, the air outlet elbow is fixedly connected in one side in the heat insulation shell, one end of the air outlet elbow is fixedly connected with the air outlet hose, the air outlet hose other end is fixedly connected with the air outlet end, the air outlet elbow other end is fixedly connected with the cooling pipe, the cooling pipe other end is equidistantly fixedly connected with the exhaust pipe, the exhaust pipe passes through the heat insulation shell.

[0010] As a preferred scheme of the utility model of a mineral heat furnace door, wherein, one side of the furnace door is fixedly provided with the connecting rod, one side of the fixed plate is fixedly provided with the connecting pipe, the connecting rod and the connecting pipe are rotatably connected through the bolt.

[0011] As a preferred scheme of the utility model of a mineral heat furnace door, wherein, the top surface of the filter plate is fixedly connected with the limit plate, the top surface of the limit plate is fixedly connected with the handle, the limit plate and the handle are slidably connected in the installation slot.

[0012] Compared with the prior art, the utility model has the beneficial effects that: through the purification assembly, the air near the furnace door is sucked in and the toxic gas is filtered, then through the cooling assembly, the temperature of the purified air is lowered, the air flows in the furnace door, the furnace door is cooled, the air flow is formed from one end of the furnace door, the flying sparks near the furnace door are blown to the furnace or blown out, and the harm of the toxic gas and the flying sparks to the human body after opening the furnace door is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the utility model will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Wherein:

[0014] Fig. 1 It is the overall structure schematic diagram of the utility model of a mineral heat furnace door;

[0015] Fig. 2 It is the second overall structure schematic diagram of the utility model of a mineral heat furnace door.

[0016] Fig. 3 It is an internal structure schematic view of the furnace door of the present application.

[0017] In the figure: 1, furnace door; 101, furnace door handle; 102, connecting rod; 2, fixed plate; 201, connecting pipe; 202, fixed hole; 3, compressor; 301, air inlet end; 302, air outlet end; 4, air inlet hose; 5, air inlet elbow; 6, fixed frame; 7, filter plate; 701, limiting plate; 702, handle; 8, air outlet elbow; 9, air outlet hose; 10, cooling pipe; 11, exhaust pipe; 12, heat insulation shell; 1201, air inlet grille; 1202, mounting groove. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purpose, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0019] Secondly, the present application is described in detail in combination with the schematic view, and in the detailed description of the embodiments of the present application, the sectional view of the device structure will be partially enlarged without the general proportion for the convenience of description, and the schematic view is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0020] In order to make the purpose, technical scheme and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

[0021] The present application provides a furnace door of a submerged arc furnace, which sucks the air near the furnace door 1 through the purification assembly and filters the toxic gas, then lowers the temperature of the purified air through the cooling assembly, and flows in the furnace door 1, cools the furnace door 1, and discharges from one end of the furnace door 1 to form an air flow to blow the flying sparks near the furnace door 1 into the furnace or blow out, avoiding the harm of toxic gas and flying sparks to human body after opening the furnace door 1.

[0022] Figs. 1-3 The present application provides a furnace door of a submerged arc furnace, which sucks the air near the furnace door 1 through the purification assembly and filters the toxic gas, then lowers the temperature of the purified air through the cooling assembly, and flows in the furnace door 1, cools the furnace door 1, and discharges from one end of the furnace door 1 to form an air flow to blow the flying sparks near the furnace door 1 into the furnace or blow out, avoiding the harm of toxic gas and flying sparks to human body after opening the furnace door 1. Figs. 1-3The furnace door of the present embodiment comprises a furnace door 1, one end of the furnace door 1 is rotatably connected with a fixed plate 2, one end of the front of the furnace door 1 is fixed with a furnace door handle 101, the four corners of the fixed plate 2 are provided with fixing holes 202, the front of the fixed plate 2 is fixedly connected with a compressor 3, the compressor 3 is provided with an air inlet end 301 and an air outlet end 302 at two ends, the back of the furnace door 1 is fixed with a heat insulation shell 12, a purification assembly is fixed in the heat insulation shell 12, one end of the purification assembly is fixedly connected with the air inlet end 301, a cooling assembly is also fixed in the heat insulation shell 12, one end of the cooling assembly is fixedly connected with the air outlet end 302, the fixed plate 2 is started, the air near the furnace door 1 is first sucked into the purification assembly by the fixed plate 2 through the air inlet end 301, the toxic gas in the air is filtered, the air is compressed and cooled to form a cold air flow by the fixed plate 2, and then the cold air flow enters the cooling assembly through the air outlet end 302, and the cooling assembly cools the heat insulation shell 12 and then blows the sparks splashed near the furnace door 1 into the furnace or blows out the sparks.

[0023] The purification assembly comprises a fixed frame 6, the fixed frame 6 is fixed in the heat insulation shell 12, the top end of the heat insulation shell 12 is provided with a mounting groove 1202, the front of the heat insulation shell 12 is provided with an air inlet grille 1201 at the upper end, a filter plate 7 is slidably connected in the fixed frame 6, an air inlet elbow 5 is fixedly connected in the middle of the fixed frame 6, the other end of the air inlet elbow 5 is fixedly connected with an air inlet hose 4, the other end of the air inlet hose 4 is fixedly connected with the air inlet end 301, the air near the furnace door 1 enters the fixed frame 6 from the air inlet grille 1201 by the fixed plate 2 through the air inlet end 301, the air inlet hose 4 and the air inlet elbow 5, is first filtered by the filter plate 7 and then sucked into the fixed plate 2, so as to reduce the content of toxic gas in the air near the furnace door, thereby reducing the harm of toxic gas to the human body.

[0024] The cooling assembly comprises an air outlet elbow 8, the air outlet elbow 8 is fixedly connected to one side in the heat insulation shell 12, one end of the air outlet elbow 8 is fixedly connected with an air outlet hose 9, the other end of the air outlet hose 9 is fixedly connected with the air outlet end 302, the other end of the air outlet elbow 8 is fixedly connected with a cooling pipe 10, the other end of the cooling pipe 10 is fixedly connected with an exhaust pipe 11 at equal intervals, the exhaust pipe 11 passes through the heat insulation shell 12, the air is sucked into the fixed plate 2 from the air inlet end 301, the temperature of the air is reduced by compression and cooling to form a cold air flow, and then the cold air flow enters the cooling pipe 10 through the air outlet end 302, the air outlet hose 9 and the air outlet elbow 8, the cold air flow flows in the cooling pipe 10 to reduce the temperature in the heat insulation shell 12, thereby realizing the heat insulation effect of the furnace door, the air flow flows to the exhaust pipe 11 in the cooling pipe 10 and is discharged, the discharged air flow blows the sparks near the furnace door 1 into the furnace or blows out the sparks, thereby preventing the sparks splashed from the furnace after the furnace door is opened from flying to the human body to cause harm.

[0025] One side of the furnace door 1 is fixedly provided with a connecting rod 102, one side of the fixed plate 2 is fixedly provided with a connecting pipe 201, the connecting rod 102 and the connecting pipe 201 are rotatably connected through bolts, the bolts pass through the connecting pipe 201 and the connecting rod 102 to connect the furnace door 1 and the fixed plate 2, and realize the effect of rotating and opening the furnace door 1.

[0026] The top surface of the filter plate 7 is fixedly connected with a limiting plate 701, the top surface of the limiting plate 701 is fixedly connected with a handle 702, and the limiting plate 701 and the handle 702 are slidably connected in the mounting groove 1202; when the filter plate 7 needs to be replaced, the furnace door 1 is opened, the handle 702 is pulled out of the mounting groove 1202, the handle 702 drives the limiting plate 701 to pull out, and the limiting plate 701 drives the filter plate 7 to pull out.

[0027] In combination Figs. 1-3 , the furnace door of the present embodiment is used as follows: the fixed plate 2 is started, the fixed plate 2 passes through the air inlet end 301, the air inlet hose 4 and the air inlet elbow 5 to make the air near the furnace door 1 enter the fixed frame 6 from the air inlet grille 1201, is first filtered by the filter plate 7 and is then sucked into the fixed plate 2, the content of toxic gas in the air near the furnace door is reduced, thereby reducing the harm of the toxic gas to the human body, the air is sucked into the fixed plate 2 from the air inlet end 301, is compressed and cooled to reduce the temperature of the air to form a cold air flow, and then enters the cooling pipe 10 through the air outlet end 302, the air outlet hose 9 and the air outlet elbow 8, the cold air flow flows in the cooling pipe 10 to reduce the temperature in the heat insulation shell 12, thereby realizing the effect of heat insulation of the furnace door, and the air flow flows in the cooling pipe 10 to the exhaust pipe 11 and is then discharged, the discharged air flow blows the sparks near the furnace door 1 into the furnace or blows them out, thereby preventing the sparks splashed after the furnace door is opened from flying from the furnace to the human body to cause harm.

[0028] Although the present application has been described with reference to the embodiments above in the foregoing description, it is not intended to limit the present application to the specific form set forth herein. Rather, numerous modifications are intended to fall within the scope of the present application as defined by the appended claims. In particular, although the foregoing description contains many specifics, these should not be construed as limiting the scope of the application but as merely providing illustrations of selected embodiments of the application. Thus, the scope of the present application should be determined by the appended claims and their legal equivalents rather than by the examples given.

Claims

1. A furnace door for an electric arc furnace, characterized in that The utility model provides a stove door, one end of the stove door (1) is rotatably connected with a fixed plate (2), the stove door (1) is fixed with stove door handle (101) at one end of front, the fixed plate (2) is provided with fixed hole (202) in four corners, the fixed plate (2) is fixedly connected with compressor (3) on the front, the compressor (3) is provided with air inlet end (301) and air outlet end (302) at both ends, the stove door (1) is fixed with heat insulation shell (12) on the back, the heat insulation shell (12) is fixed with purification assembly, one end of the purification assembly is fixedly connected with air inlet end (301), the heat insulation shell (12) is also fixed with cooling assembly, one end of the cooling assembly is fixedly connected with air outlet end (302).

2. A door for a submerged arc furnace as claimed in claim 1, wherein The purification assembly includes a fixed frame (6) fixed in the heat insulation shell (12), the heat insulation shell (12) is provided with an installation groove (1202) at the top end, the heat insulation shell (12) is provided with an air inlet grille (1201) on the front upper end, the fixed frame (6) is slidably connected with a filter plate (7) inside, the fixed frame (6) is fixedly connected with an air inlet elbow (5) in the middle, the other end of the air inlet elbow (5) is fixedly connected with an air inlet hose (4), the other end of the air inlet hose (4) is fixedly connected with the air inlet end (301).

3. A door for a submerged arc furnace as claimed in claim 1, wherein The cooling assembly includes an air outlet elbow (8) fixedly connected to one side of the heat insulation shell (12), one end of the air outlet elbow (8) is fixedly connected with an air outlet hose (9), the other end of the air outlet hose (9) is fixedly connected with the air outlet end (302), the other end of the air outlet elbow (8) is fixedly connected with a cooling pipe (10), the other end of the cooling pipe (10) is fixedly connected with an exhaust pipe (11) at equal intervals, the exhaust pipe (11) passes through the heat insulation shell (12).

4. A door for a submerged arc furnace as claimed in claim 1, wherein One side of the stove door (1) is fixedly provided with a connecting rod (102), one side of the fixed plate (2) is fixedly provided with a connecting pipe (201), the connecting rod (102) and the connecting pipe (201) are rotatably connected by bolts.

5. A smelter door according to claim 2, wherein The top surface of the filter plate (7) is fixedly connected with a limiting plate (701), the top surface of the limiting plate (701) is fixedly connected with a handle (702), the limiting plate (701) and the handle (702) are slidably connected in the installation groove (1202).

Images