Movable enclosed hood for refining furnace

Abstract

The utility model relates to the technical field of refining furnaces, and discloses a movable sealing cover for a refining furnace, which comprises two sealing cover bodies, the front sides of the outer parts of the sealing cover bodies are fixedly connected with water circulation backflow prevention mechanisms, and the far sides of the bottoms of the two sealing cover bodies are fixedly connected with motors. The driving end of the motor is fixedly connected with a pulley, the front side and the rear side of the outer portion of the sealing cover body are fixedly connected with self-adaptive cleaning mechanisms, and the water circulation backflow prevention mechanism comprises a cold water tank. According to the water cooling device, water flow can flow to the fixed shell through the cross-shaped placement plate, then the water flow can flow into the cold water tank through the fixed shell, a water pump is omitted, a first spring can rebound, a sealing plate is attached to a sealing ring, and the water cooling effect is improved. And then water in the cooling water pipe can be prevented from flowing into the fixed shell, so that cold water circulation is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of refining furnace especially relates to a mobile sealing cover for refining furnace. BACKGROUND

[0002] In the steel production process, the refining furnace is the key equipment for further refining treatment of molten steel, and the mobile sealing cover can seal the refining furnace mouth when adding materials, smelting and stirring in the refining furnace, effectively collecting high-temperature flue gas, dust and harmful gas generated during smelting, preventing them from spreading into the workshop, improving the working environment of the workshop, reducing the harm to the health of the operators, and also helping to improve the trapping efficiency of flue gas and facilitate subsequent waste gas treatment.

[0003] In the prior art, part of the mobile sealing cover of the refining furnace realizes operation through mechanical transmission and sealing design. Under the support of the track, the driving device drives the sealing cover to move along the refining furnace. When approaching the operation area of the refining furnace, the cover body is accurately positioned, and the sealing structure around is quickly pressed against the edge of the furnace mouth to prevent smoke and dust from overflowing. An exhaust port is arranged in the cover body and connected with an exhaust system. The high-temperature and dust-containing flue gas generated during the refining process is quickly sucked into the exhaust pipe under the action of negative pressure for treatment. After the operation is completed, the driving device is reversely operated to move the sealing cover to the designated parking position. The whole process is automatically controlled, the flue gas is efficiently isolated, the workshop environment is improved, and the production safety and environmental protection requirements are ensured.

[0004] However, in the specific use process, the refining furnace generates a large amount of heat during work, and the mobile sealing cover is in a high-temperature environment for a long time, so that the material performance gradually decreases. For example, the metal material will be hot deformed and embrittled, and the sealing material will be accelerated aging and lose elasticity, resulting in reduction of the structural strength and sealing performance of the sealing cover, shortening the service life of the equipment. In view of the above problems, the present application provides a mobile sealing cover for a refining furnace. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a mobile sealing cover for a refining furnace, which aims at improving the problem of water circulation cooling of part of the sealing cover in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A mobile sealing cover for a refining furnace, comprising two sealing cover bodies, a water circulation anti-backflow mechanism is fixedly connected to the outer front side of the sealing cover body, a motor is fixedly connected to the bottom of the two sealing cover bodies, a driving end of the motor is fixedly connected with a pulley, and a self-adapting cleaning mechanism is fixedly connected to the outer front and rear sides of the sealing cover body.

[0008] The water circulation backflow prevention mechanism includes a cold water tank, the outside of the cold water tank is fixedly connected to the outside of the front side of the sealing cover body, a water pump is fixedly connected to the top left side of the cold water tank, a cooling water pipe is fixedly connected to the driving end of the water pump, a fixed assembly is fixedly connected to the outside of the cooling water pipe, an anti-backflow assembly is fixedly connected to the outside of the cooling water pipe, an input pipe is fixedly connected to the outside of the anti-backflow assembly, and a water inlet pipe is fixedly connected to the top of the cold water tank;

[0009] As a further description of the above technical solution:

[0010] The fixed assembly includes a fixed plate, the outside of the fixed plate is fixedly connected to the outside of the cooling water pipe, and the outside of the fixed plate is fixedly connected to the outside of the rear side of the sealing cover body;

[0011] As a further description of the above technical solution:

[0012] The anti-backflow assembly includes a fixed housing, the outside of the fixed housing is fixedly connected to the outside of the cooling water pipe, the inside front side of the fixed housing is fixedly connected with a cross placement plate, the outside rear side of the cross placement plate is fixedly connected with a placement housing, a sliding rod is slidingly connected to the inside of the placement housing, a spring one is sleeved on the outside of the sliding rod, and a sealing plate is fixedly connected to the other end of the sliding rod;

[0013] As a further description of the above technical solution:

[0014] The inside of the fixed housing is fixedly connected with a sealing ring, and the outside of the sealing plate is fitted with the outside of the sealing ring;

[0015] As a further description of the above technical solution:

[0016] The self-adaptive cleaning mechanism includes an extension plate, a sliding plate is slidingly connected to the inside of the extension plate, a connecting rotary frame is rotatably connected to the bottom of the sliding plate, and a brush plate is fixedly connected to the bottom of the connecting rotary frame;

[0017] As a further description of the above technical solution:

[0018] A plurality of telescopic rods are fixedly connected to the inside of the extension plate, and a spring two is sleeved on the outside of the telescopic rod;

[0019] As a further description of the above technical solution:

[0020] One end of the spring two is fixedly connected to the outside of the sliding plate, and the other end of the spring two is fixedly connected to the inside of the extension plate;

[0021] As a further description of the above technical solution:

[0022] The outer rear side of the sealing cover body is fixedly connected with a grille, and the top of the sealing cover body is fixedly connected with a limiting plate.

[0023] The utility model has the advantages of the following:

[0024] 1、 the utility model discloses a water flow is extruded to sealing plate when passing through sealing plate, and then the sealing plate can drive the sliding rod to slide in the inside of placing shell, and then spring one can be deformed, and then water flow can flow to fixed casing through cross placing plate, and then can flow into the inside of cold water tank through fixed casing, by canceling water pump, and then spring one can rebound, makes sealing plate and sealing ring fit, and then can prevent the inside water flow of cooling water pipe from flowing to the inside of fixed casing, and thus forms a cold water circulation;

[0025] 2、 the utility model discloses through starting motor, make the inside drive pulley of motor movement, through the movement of pulley, make the brush plate can adjust the angle of outside sliding plate through the connection of rotary stand and clean track, when extruding when moving, can make sliding plate extrude telescopic rod, and then spring two can be deformed, so that the brush plate can clean track self -adaptation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of a mobile sealing cover for a refining furnace is provided for the utility model;

[0027] Figure 2 A structure schematic view of a grille of a mobile sealing cover for a refining furnace is provided for the utility model;

[0028] Figure 3 A structure schematic view of a cooling water pipe of a mobile sealing cover for a refining furnace is provided for the utility model;

[0029] Figure 4 A Figure 3 Enlarged view of A in the middle;

[0030] Figure 5 A structure schematic view of a mobile sealing cover for a refining furnace is provided for the utility model.

[0031] LEGEND:

[0032] 1, sealing cover body; 2, cold water tank; 3, water pump; 4, cooling water pipe; 5, fixed plate; 6, fixed shell; 7, cross placement plate; 8, placement shell; 9, sliding rod; 10, spring one; 11, grid; 12, sealing plate; 13, sealing ring; 14, input pipe; 15, water inlet pipe; 16, motor; 17, pulley; 18, extension plate; 19, telescopic rod; 20, spring two; 21, sliding plate; 22, connecting rotating frame; 23, brush plate; 24, limiting plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Referring to Figures 1 to 3 , the utility model provides an embodiment: a mobile sealing cover for a refining furnace, comprising two sealing cover bodies 1, the two sealing cover bodies 1 are designed to better adapt to the shape of the refining furnace, can cover the refining furnace in all directions, do not let the heat run out, also do not let the harmful things leak out, their outer surface is also made special processing, so that in the complex, harsh environment around the refining furnace can work normally all the time, not easy to be corroded and damaged, the outer front side of sealing cover body 1 is fixedly connected with water circulation backflow prevention mechanism, the bottom of the two sealing cover bodies 1 is fixedly connected with motor 16 on the far side, motor 16 has enough power, can move with sealing cover body 1, the driving end of motor 16 is fixedly connected with pulley 17, when motor 16 is electrified and starts to work, it will drive pulley 17 to rotate, when pulley 17 rotates, sealing cover body 1 can move stably on the track, so that the position of sealing cover body 1 can be flexibly adjusted according to the working needs of the refining furnace;

[0035] The outer front and rear sides of sealing cover body 1 are fixedly connected with self-adapting cleaning mechanism, the self-adapting cleaning mechanism comprises extension plate 18, extension plate 18 is fixed on sealing cover body 1, the inside of extension plate 18 is slidably connected with sliding plate 21, the bottom of sliding plate 21 is rotatably connected with connecting rotating frame 22, the bottom of connecting rotating frame 22 is fixedly connected with brush plate 23, brush plate 23 is used for cleaning, when sealing cover body 1 moves, brush plate 23 can move, the dirty things around sealing cover body 1 are cleaned, the equipment around is kept clean, and normal operation of the equipment is ensured;

[0036] The water circulation anti-backflow mechanism comprises a cold water tank 2, which is used for containing cold water and providing cooling water for the whole system. The cold water tank 2 is fixedly connected to the outer front side of the sealing cover body 1. A water pump 3 is fixedly connected to the top left side of the cold water tank 2. The water pump 3 can pump the cold water in the cold water tank 2 into a cooling water pipe 4. The water pump 3 and the cooling water pipe 4 are tightly connected together. The cold water starts to circulate in the whole process from the cooling water pipe 4. The driving end of the water pump 3 is fixedly connected with the cooling water pipe 4. The cooling water pipe 4 is fixedly connected with a fixing assembly. The fixing assembly comprises a fixing plate 5. One side of the fixing plate 5 is tightly attached to the outer side of the cooling water pipe 4. The other half is fixedly connected to the outer rear side of the sealing cover body 1. In this way, the cooling water pipe 4 is stably fixed and cannot sway during work, so as to ensure that the cold water can normally flow in the pipe. The outer side of the fixing plate 5 is fixedly connected to the outer side of the cooling water pipe 4. The outer side of the fixing plate 5 is fixedly connected to the outer rear side of the sealing cover body 1. The outer side of the cooling water pipe 4 is fixedly connected with an anti-backflow assembly.

[0037] The anti-backflow assembly comprises a fixing shell 6, which is tightly connected with the cooling water pipe 4 and fixedly attached to the outer side of the cooling water pipe 4. The outer side of the fixing shell 6 is fixedly connected to the outer side of the cooling water pipe 4. The inner front side of the fixing shell 6 is fixedly connected with a cross placement plate 7, which plays a supporting and separating role. The outer rear side of the cross placement plate 7 is fixedly connected with a placement shell 8. The placement shell 8 has a sliding rod 9 inside, which can slide in the placement shell 8. The inner side of the placement shell 8 is slidingly connected with the sliding rod 9. The outer side of the sliding rod 9 is sleeved with a spring 10. The other end of the sliding rod 9 is fixedly connected with a sealing plate 12. When the water flows normally, the water power can push the sealing plate 12 open to let the water pass. If the water wants to flow back, the sealing plate 12 will tightly block the channel under the action of the spring 10, so as to prevent the water from flowing back. The outer side of the anti-backflow assembly is fixedly connected with an input pipe 14. The top of the cold water tank 2 is fixedly connected with a water inlet pipe 15, which is used for adding water to the cold water tank 2, so as to ensure that there is enough cold water in the cold water tank 2, so that the whole water circulation anti-backflow mechanism can work normally.

[0038] Referring to Figures 3 to 5 The inner side of the fixing shell 6 is fixedly connected with a sealing ring 13. The outer side of the sealing plate 12 is attached to the outer side of the sealing ring 13. When the water wants to flow back, the sealing plate 12 will be pushed by the power of the spring 10 and move in the direction of the sealing ring 13. Moreover, the edge of the sealing plate 12 and the edge of the sealing ring 13 are designed to perfectly fit together. They are attached particularly tightly, so as to effectively prevent the cold water from flowing back through the anti-backflow assembly and ensure that the water in the water circulation system can only flow in one direction. The inner side of the extension plate 18 is fixedly connected with a plurality of extension rods 19. The outer side of the extension rod 19 is sleeved with a spring 20.

[0039] One end of the spring two 20 is fixedly connected to the outside of the sliding plate 21, the other end of the spring two 20 is fixedly connected to the inside of the extension plate 18, when the sliding plate 21 is moved in one direction by external force, the spring two 20 will be compressed, store elastic potential energy, when the external force disappears, the spring two 20 will release the elastic potential energy, push the sliding plate 21 back, the telescopic rod 19 plays a guiding and supporting role here, ensure that the sliding plate 21 can only slide along the fixed direction, not deviated, the outside rear side of the sealing cover body 1 is fixedly connected with the grille 11, the grille 11 can play a certain protection role, prevent some large objects from hitting the sealing cover body 1, causing damage to the equipment inside, the top of the sealing cover body 1 is fixedly connected with the limiting plate 24.

[0040] Working principle: when the sealing cover body 1 is cooled and protected, the water pump 3 is started, under the action of the water pump 3, the water flow in the cooling water tank 2 flows in the inside of the cooling water pipe 4, and then can flow around the sealing cover body 1 to cool, when the water flow passes through the sealing plate 12, the water flow extrudes the sealing plate 12, and then the sealing plate 12 can drive the sliding rod 9 to slide in the inside of the placing shell 8, and then the spring one 10 can be deformed, and then the water flow can flow to the fixed shell 6 through the cross placing plate 7, and then can flow into the inside of the cooling water tank 2 through the fixed shell 6, by canceling the water pump 3, the spring one 10 can rebound, the sealing plate 12 is attached to the sealing ring 13, and then the water flow in the inside of the cooling water pipe 4 can be prevented from flowing to the inside of the fixed shell 6, thus forming a cooling water circulation;

[0041] When the track is self-adaptively cleaned, the motor 16 is started, the inside of the motor 16 drives the pulley 17 to move, under the movement of the pulley 17, the brush plate 23 can adjust the angle on the outside of the sliding plate 21 through the connecting rotating frame 22 to clean the track, when moving extrudes, the sliding plate 21 can extrude the telescopic rod 19, and then the spring two 20 can be deformed, so that the brush plate 23 can self-adaptively clean the track.

[0042] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A mobile closure hood for a refining furnace, comprising two closure hood bodies (1), characterised in that: The outer front side of the sealing cover body (1) is fixedly connected with a water circulation anti-backflow mechanism, the bottom of the two sealing cover bodies (1) is fixedly connected with a motor (16) at the far side, the driving end of the motor (16) is fixedly connected with a pulley (17), and the outer front and back sides of the sealing cover body (1) are fixedly connected with self-adaptive cleaning mechanisms. The water circulation anti-backflow mechanism comprises a cold water tank (2), the outer front side of the cold water tank (2) is fixedly connected to the outer side of the sealing cover body (1), the top left side of the cold water tank (2) is fixedly connected with a water pump (3), the driving end of the water pump (3) is fixedly connected with a cooling water pipe (4), the outer side of the cooling water pipe (4) is fixedly connected with a fixed assembly, the outer side of the cooling water pipe (4) is fixedly connected with an anti-backflow assembly, the outer side of the anti-backflow assembly is fixedly connected with an input pipe (14), and the top of the cold water tank (2) is fixedly connected with a water inlet pipe (15).

2. A mobile enclosure for a refining furnace according to claim 1, characterized in that: The fixed assembly comprises a fixed plate (5), the outer side of the fixed plate (5) is fixedly connected to the outer side of the cooling water pipe (4), and the outer side of the fixed plate (5) is fixedly connected to the outer back side of the sealing cover body (1).

3. A mobile enclosure for a refining furnace as defined in claim 1, wherein: The anti-backflow assembly comprises a fixed shell (6), the outer side of the fixed shell (6) is fixedly connected to the outer side of the cooling water pipe (4), the inner front side of the fixed shell (6) is fixedly connected with a cross placement plate (7), the outer back side of the cross placement plate (7) is fixedly connected with a placement shell (8), the inner side of the placement shell (8) is slidingly connected with a sliding rod (9), the outer side of the sliding rod (9) is sleeved with a spring (10), and the other end of the sliding rod (9) is fixedly connected with a sealing plate (12).

4. A mobile enclosure for a refining furnace as defined in claim 3, characterized in that: The inner side of the fixed shell (6) is fixedly connected with a sealing ring (13), and the outer side of the sealing plate (12) is fitted with the outer side of the sealing ring (13).

5. A mobile enclosure for a refining furnace as defined in claim 1, wherein: The self-adaptive cleaning mechanism comprises an extension plate (18), the inner side of the extension plate (18) is slidingly connected with a sliding plate (21), the bottom of the sliding plate (21) is rotatably connected with a connecting rotary frame (22), and the bottom of the connecting rotary frame (22) is fixedly connected with a brush plate (23).

6. A mobile enclosure for a refining furnace as defined in claim 5, wherein: The inner side of the extension plate (18) is fixedly connected with a plurality of telescopic rods (19), and the outer side of the telescopic rod (19) is sleeved with a spring (20).

7. A mobile enclosure for a refining furnace as defined in claim 6, characterized in that: One end of the spring (20) is fixedly connected to the outer side of the sliding plate (21), and the other end of the spring (20) is fixedly connected to the inner side of the extension plate (18).

8. A mobile enclosure for a refining furnace as defined in claim 1, wherein: The outer back side of the sealing cover body (1) is fixedly connected with a grille (11), and the top of the sealing cover body (1) is fixedly connected with a limiting plate (24).

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