Automatic smelting energy-saving device of submerged arc furnace

Abstract

The utility model discloses an automatic smelting energy-saving device for a submerged arc furnace, which belongs to the technical field of submerged arc furnaces, and comprises a dust removal box, a dust removal structure is arranged in the dust removal box, a first reciprocating screw rod is arranged in the dust removal structure, a connecting piece is arranged on the surface of the first reciprocating screw rod, and a protection component is arranged on the outer side of the first reciprocating screw rod. The protection assembly is arranged, the folding protection cover is installed on the outer side of the first reciprocating lead screw and can be folded and stretched along with movement of the connecting piece, and therefore the good shielding and protection effect on the lead screw is achieved, the lead screw is effectively prevented from being polluted by waste gas, and the lead screw can be further cleaned and protected through the cleaning brush; the heat insulation assembly is arranged, and the vacuum heat insulation plates and the foam plastic layers are installed on the inner surfaces of the dust removal box, the collection box and the heat exchange box, so that the double heat insulation effect is achieved, workers are effectively prevented from being hurt when approaching, heat loss can be reduced, and more energy is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of submerged arc furnaces, and particularly relates to an automatic smelting energy-saving device for submerged arc furnaces. Background Technique

[0002] A submerged arc furnace is also called an electric arc furnace or a resistance furnace. It is mainly used for reducing and smelting raw materials such as ores, carbonaceous reducing agents, and solvents. It mainly produces ferroalloys such as ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, and silicomanganese alloy, which are important industrial raw materials in the metallurgical industry and chemical raw materials such as calcium carbide.

[0003] Chinese Patent Application No. 202322389716.2 discloses an automatic smelting energy-saving device for a submerged arc furnace, including a dust removal box. A heat exchange box is arranged on one side of the dust removal box, a motor is arranged at the upper end of the dust removal box, and a driving wheel is arranged below the motor. By setting a dust removal net, a first reciprocating lead screw, a connecting piece, a cleaning brush, a movable gear, a tooth groove part, a first gear, a second gear, a second reciprocating lead screw, a kit, a limiting piece, a heat exchange tube, a stirring shaft, a limiting groove, and a limiting block, during the operation of the device, the device can filter the waste gas discharged from the submerged arc furnace, prevent dust particles in the waste gas from polluting the environment, and the device can automatically clean the particles for centralized treatment. At the same time, during the heat recovery process of the waste gas inside the heat exchange box, the heat exchange water and the heat exchange tube can be stirred to fully contact, improving the heat exchange efficiency and effectively preventing heat loss.

[0004] In the above-mentioned disclosed patent, 1. When the dust removal net filters the waste gas, the waste gas will pollute the first reciprocating lead screw, making it prone to wear during use; 2. When the dust removal box filters the waste gas, the temperature of the waste gas is relatively high, and when the staff approaches, they are easily injured. Content of the Utility Model

[0005] To solve the problems raised in the above background technique, the utility model provides an automatic smelting energy-saving device for a submerged arc furnace, which has the characteristics of good protection effect and convenient heat insulation.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an automatic smelting energy-saving device for a submerged arc furnace, including a dust removal box. A dust removal structure is arranged inside the dust removal box, a first reciprocating lead screw is arranged inside the dust removal structure, a connecting piece is arranged on the surface of the first reciprocating lead screw, a protection component is arranged outside the first reciprocating lead screw, a collection box is arranged at the lower end inside the dust removal box, a heat exchange box is arranged on one side of the dust removal box, a conduit is arranged between the dust removal box and the heat exchange box, a heat exchange structure is arranged inside the heat exchange box, and heat insulation components are arranged on the inner surfaces of the dust removal box, the collection box, and the heat exchange box.

[0007] Preferably, the protection component includes a folding protective cover, a wiping structure, ventilation holes and a mounting plate. Specifically, a folding protective cover is arranged outside the first reciprocating lead screw. Mounting plates are provided at both ends of the folding protective cover. Ventilation holes are arranged inside the folding protective cover near the connecting member. A wiping structure is arranged on the surface of the connecting member.

[0008] Preferably, the wiping structure includes a collar and a cleaning wipe. Specifically, collars are arranged on the upper and lower surfaces of the connecting member, and a cleaning wipe is arranged on the inner surface of the collar.

[0009] Preferably, the wiping structure further includes a connecting pipe and a hose. Specifically, a hose is arranged inside the collar and extends outside the folding protective cover, and a connecting pipe is arranged at one end of the hose.

[0010] Preferably, the heat insulation component includes a connecting layer, a vacuum heat insulation board and a foam plastic layer. Specifically, a connecting layer is arranged on the inner surfaces of the dust removal box, the collection box and the heat exchange box. A vacuum heat insulation board is arranged on the surface of the connecting layer. A foam plastic layer is arranged on the surface of the vacuum heat insulation board.

[0011] Preferably, the heat insulation component further includes a rubber protection layer and a smooth protection layer. Specifically, a rubber protection layer is arranged on the surface of the foam plastic layer, and a smooth protection layer is arranged on the surface of the rubber protection layer.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model is provided with a protection component, so that a folding protective cover is installed outside the first reciprocating lead screw, which can be folded and extended along with the movement of the connecting member, thus playing a good shielding and protection effect on the lead screw, effectively avoiding the lead screw from being polluted by waste gas, and the cleaning wipe can further clean and protect the lead screw.

[0014] 2. The present utility model is provided with a heat insulation component, so that a vacuum heat insulation board and a foam plastic layer are installed on the inner surfaces of the dust removal box, the collection box and the heat exchange box, thus achieving a double heat insulation effect, effectively avoiding harm to the staff when approaching, and reducing heat loss, which is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the present utility model;

[0016] Figure 2 is the perspective view of the present utility model;

[0017] Figure 3 is the present utility model Figure 1 at the enlarged view of B;

[0018] Figure 4 is the present utility model Figure 1 at the enlarged view of A;

[0019] In the figure: 1, dust removal box; 2, collection box; 3, first reciprocating lead screw; 4, protection component; 41, folding protective cover; 42, wiping structure; 421, connecting pipe; 422, hose; 423, collar; 424, cleaning wipe; 43, ventilation hole; 44, mounting plate; 5, dust removal structure; 6, heat exchange box; 7, conduit; 8, heat insulation component; 81, connecting layer; 82, vacuum heat insulation board; 83, foamed plastic layer; 84, rubber protection layer; 85, smooth protection layer; 9, heat exchange structure; 10, connecting piece. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 , the present invention provides the following technical solutions: An automatic smelting energy-saving device for a submerged arc furnace includes a dust removal box 1, a dust removal structure 5 is arranged inside the dust removal box 1, a first reciprocating lead screw 3 is arranged inside the dust removal structure 5, a connecting piece 10 is arranged on the surface of the first reciprocating lead screw 3, a protection component 4 is arranged outside the first reciprocating lead screw 3, a collection box 2 is arranged at the lower end inside the dust removal box 1, a heat exchange box 6 is arranged on one side of the dust removal box 1, a conduit 7 is arranged between the dust removal box 1 and the heat exchange box 6, a heat exchange structure 9 is arranged inside the heat exchange box 6, and heat insulation components 8 are arranged on the inner surfaces of the dust removal box 1, the collection box 2 and the heat exchange box 6.

[0023] Specifically, the protection component 4 includes a folding protective cover 41, a wiping structure 42, a ventilation hole 43 and a mounting plate 44. Among them, a folding protective cover 41 is arranged outside the first reciprocating lead screw 3, mounting plates 44 are arranged at both ends of the folding protective cover 41, a ventilation hole 43 is arranged inside the folding protective cover 41 close to the connecting piece 10, and a wiping structure 42 is arranged on the surface of the connecting piece 10.

[0024] By adopting the above technical solutions, the folding protective cover 41 is installed outside the first reciprocating lead screw 3 through the mounting plate 44. When the connecting piece 10 moves outside the lead screw, the folding protective cover 41 folds and unfolds, so that a good protection effect can be achieved on the lead screw, avoiding the lead screw being polluted by waste gas. The ventilation hole 43 can balance the pressure, and the wiping structure 42 can further clean the lead screw.

[0025] Specifically, the wiping structure 42 includes a collar 423 and a cleaning wipe 424. Among them, collars 423 are provided on the upper and lower surfaces of the connecting member 10, and a cleaning wipe 424 is provided on the inner surface of the collar 423.

[0026] By adopting the above technical solution, the collar 423 moves synchronously with the connecting member 10, and the cleaning wipe 424 inside it can wipe and clean the lead screw.

[0027] Specifically, the wiping structure 42 further includes a connecting pipe 421 and a hose 422. Among them, a hose 422 is provided inside the collar 423 and extends to the outside of the folding protective cover 41, and a connecting pipe 421 is provided at one end of the hose 422.

[0028] By adopting the above technical solution, lubricating oil is introduced into the hose 422 through the connecting pipe 421, and the lubricating oil wets the cleaning wipe 424, which can conveniently lubricate and maintain the lead screw.

[0029] When this embodiment is in use, the waste gas generated by the submerged arc furnace for automatic smelting enters the dust removal box 1, and the dust removal structure 5 filters it. Then it enters the heat exchange box 6 through the conduit 7, and the heat exchange structure 9 exchanges heat with it, thereby recycling the heat in the flue gas, achieving a good energy-saving effect. The collection box 2 can collect the dirt in the waste gas. The folding protective cover 41 is installed outside the first reciprocating lead screw 3 through the mounting plate 44. When the connecting member 10 moves outside the lead screw, the folding protective cover 41 folds and unfolds, which can provide a good protective effect on the lead screw, avoiding the lead screw being polluted by the waste gas. The vent holes 43 can balance the pressure, and the wiping structure 42 can further clean the lead screw. The collar 423 moves synchronously with the connecting member 10, and the cleaning wipe 424 inside it can wipe and clean the lead screw. Lubricating oil is introduced into the hose 422 through the connecting pipe 421, and the lubricating oil wets the cleaning wipe 424, which can conveniently lubricate and maintain the lead screw.

[0030] Embodiment 2

[0031] The difference between this embodiment and Embodiment 1 is that the heat insulation component 8 includes a connecting layer 81, a vacuum heat insulation board 82 and a foamed plastic layer 83. Among them, a connecting layer 81 is provided on the inner surfaces of the dust removal box 1, the collection box 2 and the heat exchange box 6, a vacuum heat insulation board 82 is provided on the surface of the connecting layer 81, and a foamed plastic layer 83 is provided on the surface of the vacuum heat insulation board 82.

[0032] By adopting the above technical solution, the vacuum heat insulation board 82 is fixed on the inner surfaces of the dust removal box 1, the collection box 2 and the heat exchange box 6 through the connecting layer 81. Cooperating with the foamed plastic layer 83, it can achieve a double heat insulation effect, effectively avoiding harm to the staff when approaching and reducing heat loss.

[0033] Specifically, the heat insulation component 8 further includes a rubber protection layer 84 and a smooth protection layer 85. Among them, the rubber protection layer 84 is disposed on the surface of the foam plastic layer 83, and the smooth protection layer 85 is disposed on the surface of the rubber protection layer 84.

[0034] By adopting the above technical solution, the rubber protection layer 84 can protect the foam plastic layer 83, and the smooth protection layer 85 can prevent pollutants such as waste gas from contaminating the rubber, achieving a good anti-pollution and waterproof effect.

[0035] During the use of this embodiment, the vacuum heat insulation panel 82 is fixed on the inner surfaces of the dust removal box 1, the collection box 2, and the heat exchange box 6 through the connection layer 81. Cooperating with the foam plastic layer 83, it can achieve a double heat insulation effect, effectively avoiding harm to the staff when approaching, and also reducing heat loss. The rubber protection layer 84 can protect the foam plastic layer 83, and the smooth protection layer 85 can prevent pollutants such as waste gas from contaminating the rubber, achieving a good anti-pollution and waterproof effect.

[0036] In this utility model, the structure and working principle of the dust removal structure 5 composed of a motor, a driving wheel, a dust removal net, a first reciprocating lead screw 3, a connecting member 10, a cleaning brush, a tooth groove part, and a movable gear, and the heat exchange structure 9 composed of a belt, a driven wheel, a first gear, a rotating shaft, a second gear, a second reciprocating lead screw, a connecting plate, a heat exchange tube, a stirring shaft, a limiting member, a sleeve, a limiting groove, and a limiting block have been disclosed in a submerged arc furnace automatic smelting energy-saving device with Chinese patent application number 202322389716.2. The working principle of the dust removal structure 5 is that waste gas is filtered through the dust removal net, the motor drives the driving wheel and the first reciprocating lead screw 3 to rotate, the first reciprocating lead screw 3 drives the connecting member 10 to move up and down reciprocally. During the movement, the movable gear rolls inside the tooth groove part, and the cleaning brush rotates while moving up and down reciprocally to realize the cleaning of the impurities filtered on the side of the dust removal net. The working principle of the heat exchange structure 9 is that the belt drives the driven wheel to rotate, causing the first gear and the rotating shaft to rotate. The first gear drives the second gear to rotate, the second reciprocating lead screw drives the connecting plate and the sleeve to move up and down reciprocally, and the stirring shaft stirs while moving up and down reciprocally, enabling the waste gas to fully contact the coolant, and the heat exchange water to fully contact the internal liquid inside the heat exchange tube, achieving a better heat exchange effect.

[0037] Working principle and usage process of the present utility model: When the present utility model is in use, the waste gas generated by the submerged arc furnace for automatic smelting enters the interior of the dust removal box 1. The dust removal structure 5 conducts dust removal and filtration on it, and then enters the interior of the heat exchange box 6 through the conduit 7. The heat exchange structure 9 conducts heat exchange on it, thereby recycling the heat in the flue gas, achieving a good energy-saving effect. The collection box 2 can collect the dirt in the waste gas. The folding protective cover 41 is installed on the outer side of the first reciprocating lead screw 3 through the mounting plate 44. When the connecting piece 10 moves on the outer side of the lead screw, the folding protective cover 41 folds and extends, thereby providing a good protective effect on the lead screw and preventing the lead screw from being polluted by the waste gas. The vent hole 43 can balance the pressure. The wiping structure 42 can further clean the lead screw. The collar 423 moves synchronously with the connecting piece 10, and the cleaning wipe 424 inside it can wipe and clean the lead screw. Lubricating oil is introduced into the hose 422 through the connecting pipe 421, and the cleaning wipe 424 is wetted by the lubricating oil, which can conveniently lubricate and maintain the lead screw. The vacuum heat insulation board 82 is fixed on the inner surfaces of the dust removal box 1, the collection box 2 and the heat exchange box 6 through the connecting layer 81. Cooperating with the foam plastic layer 83, it can achieve a double heat insulation effect, effectively preventing harm to the staff when approaching and reducing heat loss. The rubber protective layer 84 can protect the foam plastic layer 83, and the smooth protective layer 85 can prevent pollution of the rubber by waste gas, etc., achieving a good anti-pollution and waterproof effect.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automated smelting energy-saving device for a submerged arc furnace, comprising a dust removal box, characterized in that: A dust removal structure is arranged inside the dust removal box. A first reciprocating lead screw is arranged inside the dust removal structure. A connecting piece is arranged on the surface of the first reciprocating lead screw. A protective component is arranged outside the first reciprocating lead screw. A collection box is arranged at the lower end inside the dust removal box. A heat exchange box is arranged on one side of the dust removal box. A conduit is arranged between the dust removal box and the heat exchange box. A heat exchange structure is arranged inside the heat exchange box. Heat insulation components are arranged on the inner surfaces of the dust removal box, the collection box and the heat exchange box.

2. The automatic smelting energy-saving device for submerged arc furnace according to claim 1, wherein: The protective component includes a folding protective cover, a wiping structure, ventilation holes and mounting plates. Among them, a folding protective cover is arranged outside the first reciprocating lead screw. Mounting plates are arranged at both ends of the folding protective cover. Ventilation holes are arranged inside the folding protective cover near the connecting piece. A wiping structure is arranged on the surface of the connecting piece.

3. An automated smelting energy-saving device for a submerged arc furnace according to claim 2, characterized in that: The wiping structure includes a collar and a cleaning wipe. Among them, collars are arranged on the upper and lower surfaces of the connecting piece. A cleaning wipe is arranged on the inner surface of the collar.

4. An automated smelting energy-saving device for submerged arc furnace according to claim 3, characterized in that: The wiping structure further includes a connecting pipe and a hose. Among them, a hose is arranged inside the collar and extends outside the folding protective cover. A connecting pipe is arranged at one end of the hose.

5. An automated smelting energy-saving device for a submerged arc furnace according to claim 1, characterized in that: The heat insulation component includes a connecting layer, a vacuum heat insulation board and a foamed plastic layer. Among them, a connecting layer is arranged on the inner surfaces of the dust removal box, the collection box and the heat exchange box. A vacuum heat insulation board is arranged on the surface of the connecting layer. A foamed plastic layer is arranged on the surface of the vacuum heat insulation board.

6. The automated smelting energy-saving device for submerged arc furnace according to claim 5, wherein: The heat insulation component further includes a rubber protective layer and a smooth protective layer. Among them, a rubber protective layer is arranged on the surface of the foamed plastic layer. A smooth protective layer is arranged on the surface of the rubber protective layer.

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