Improved ladle cover of steel ladle roaster

Abstract

The utility model discloses an improved ladle cover of a steel ladle roaster, which comprises a ladle cover assembly, a first cover plate and a second cover plate, the ladle cover assembly is mounted on the steel ladle roaster, and the steel ladle roaster can seal and bake tilting steel ladles and plug rod bottom pouring steel ladles by replacing the first cover plate and the second cover plate. The steel ladle roaster comprises a base, a rotary lifting device, a supporting arm and a roasting temperature control device, a burner is arranged at one end of the upper portion of the supporting arm, an air blower, a gas pressure control device and counterweight iron are arranged at the other end of the upper portion of the supporting arm, the rotary lifting device is connected between the base and the supporting arm, and the gas pressure control device comprises a burner, an ignition gun, a gas pipe and an air pipe. The upper portion of the burner is communicated with a burning torch and a gas pipe, and the side face of the burner is communicated with an air pipe and an air blower. According to the improved ladle cover of the steel ladle roaster, the steel ladle roasting efficiency and quality are improved, and the improved ladle cover has the advantages of being high in production efficiency, safety and reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of casting tooling, in particular to an improved ladle cover for a ladle roaster. Background Art

[0002] The ladle generally needs to be baked after it is newly built and before it is filled with molten steel. Ladle baking is an important process in the casting production process. The existing ladle baking device includes a base, a rotating lifting device, a support arm, a ladle cover, and a baking temperature control device; a burner is arranged at one end above the support arm, and a blower, a gas pressure control device, and a counterweight iron are arranged at the other end; the burner is connected to the ignition gun and the gas pipe above, and is connected to the air pipe and the blower on the side; the ladle cover is provided with a central mounting flange and a side mounting flange, which are respectively installed and connected to the burner and the support arm; the ladle cover is changed in position and raised and lowered by a rotating lifting device, and can seal a variety of tilting ladles of different specifications. After the burner is ignited, the flame is sprayed downward through the nozzle in the middle of the ladle cover to bake the inside of the ladle at high temperature. The existing ladle baking device is easy to operate, saves energy, and has good baking effect, but there are also problems: for the plug rod bottom pouring ladle, due to the obstruction of the plug rod and the plug rod opening and closing mechanism, the plug rod and the plug rod opening and closing mechanism need to be removed to seal and bake the ladle, and then reinstalled after baking. It is not only labor-intensive and time-consuming, but also must be installed when the temperature of the ladle body is high and before pouring. The installation is difficult and is not conducive to production arrangements.

[0003] The Chinese patent application number is 201420413819.6, and the publication date is July 25, 2014. The patent discloses a baking cover for ladle baking, including a cover body, a mold, fiber bricks and a refractory material layer. The mold is an annular part concentric with the cover body, and the inner circle of the mold coincides with the circular hole in the middle of the cover body. The inner side of the mold is connected to the cover body through anchoring claws, and the refractory material layer is fixedly arranged on the anchoring claws. The fiber bricks are fixedly covered on the mold, and the fiber bricks have the same size as the mold. Utility Model Content

[0004] The utility model aims to provide an improved ladle cover for a ladle roaster to solve the problem in the background art that replacing the ladle cover is not only time-consuming and labor-intensive, but also can only be replaced when the ladle cover is cooled to room temperature.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved ladle cover for a ladle roaster, comprising a ladle cover assembly, a cover plate 1, and a cover plate 2, wherein the ladle cover assembly is installed on the ladle roaster, and by replacing the cover plate 1 and the cover plate 2, the ladle roaster can seal and roast both the tilting ladle and the plug rod bottom pouring ladle;

[0006] The ladle roaster comprises a base, a rotating lifting device, a support arm and a roasting temperature control device. A burner is arranged at one end above the support arm, and a blower, a gas pressure control device and a counterweight iron are arranged at the other end. The rotating lifting device is connected between the base and the support arm.

[0007] The gas pressure control device comprises a burner, an ignition gun, a gas pipe and an air pipe. The top of the burner is connected with the ignition gun and the gas pipe, and the side of the burner is connected with the air pipe and the blower.

[0008] As a preferred technical solution of the present invention, the cover assembly includes a cover body, a central mounting flange, a side mounting flange, a nozzle, a thermocouple temperature measuring hole, a cover plate hole and a first anchoring claw, and the number of the first anchoring claws is several.

[0009] As a preferred technical solution of the present invention, cover plate 1 includes a first cover plate body, a second anchoring claw, a first anti-falling stop and a first lifting rod, and the number of the second anchoring claws is several.

[0010] As a preferred technical solution of the present invention, cover plate 2 includes a second cover plate body, a third anchoring claw, a second anti-fall stopper, a second lifting rod, and a plug rod groove. There are several third anchoring claws, and refractory mud is provided inside cover plate 2.

[0011] As a preferred technical solution of the present invention, the ladle cover assembly is installed below the burner of the ladle roaster through a central mounting flange, and the side mounting flange is installed and connected to the support arm of the ladle roaster.

[0012] As a preferred technical solution of the present invention, a temperature measuring thermocouple is movably inserted inside the thermocouple temperature measuring hole.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the improved ladle cover of the ladle roaster:

[0014] The improved ladle cover of the ladle baking device adopts the ladle cover assembly, the cover plate one and the cover plate two to realize the sealing and baking of the tilting ladle and the plug rod bottom pouring ladle. The baking requirements of different types of ladles can be met without replacing the ladle cover, which solves the problem of labor-consuming and time-consuming replacement of the ladle cover of the existing ladle baking device and improves the production efficiency. At the same time, the improved ladle cover of the ladle baking device is filled with refractory mud and tamped, scraped and dried, and the first anchoring claw and the second anchoring claw are provided to ensure the stability of the refractory mud, enhance the close fit between the ladle cover and the surface of the ladle, which is beneficial to improve the baking effect. In addition, the improved ladle baking device The ladle cover is provided with a central mounting flange and a side mounting flange, which are respectively installed and connected to the burner and the support arm, so that the ladle cover can be tightly connected to the burner and the support arm, thereby improving the baking effect. In addition, the improved ladle cover of the ladle baking device is provided with a temperature measuring thermocouple, which can monitor and control the baking temperature in real time to ensure the baking quality. At the same time, the coordinated work of the gas pressure control device and the blower and other components realizes high-temperature baking of the inside of the ladle, thereby improving the baking effect of the ladle. In summary, the improved ladle cover of the ladle baking device solves the problems in the prior art, improves the baking efficiency and quality of the ladle, and has the advantages of high production efficiency and safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the package cover assembly of the utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the package cover assembly of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the cover plate of the utility model;

[0018] Figure 4 This is a cross-sectional structural diagram of a cover plate of the utility model;

[0019] Figure 5 This is a schematic diagram of the second main structure of the cover plate of the utility model;

[0020] Figure 6 This is a schematic diagram of the second cross-sectional structure of the cover plate of the utility model;

[0021] Figure 7 This is a schematic diagram of the main structure of Example 1 of the utility model;

[0022] Figure 8 This is a schematic diagram of the main structure of Example 2 of the present utility model.

[0023] In the figure: 1. package cover; 101. package cover body; 102. center mounting flange; 103. side mounting flange; 104. nozzle; 105. thermocouple temperature measuring hole; 106. cover plate hole; 107. first anchoring claw; 2. cover plate one; 201. first cover plate body; 202. second anchoring claw; 203. first anti-fall stopper; 204. first lifting rod; 3. cover plate two; 301. second cover plate body; 302. third anchoring claw; 303. second anti-fall stopper; 304. second lifting rod; 305. plug rod groove; 4. base; 5. rotary lifting device; 6. support arm; 7. burner; 8. ignition gun; 9. gas pipe; 10. air pipe; 11. refractory clay; 12. temperature measuring thermocouple. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] like Figure 1 to Figure 7 As shown, the ladle roaster includes a base 4, a rotating lifting device 5, a support arm 6, a ladle cover 1, and a baking temperature control device; a burner 7 is arranged at one end above the support arm 6, and a blower, a gas pressure control device, and a counterweight iron are arranged at the other end; the burner 7 is connected to an ignition gun 8 and a gas pipe 9 at the top, and is connected to an air pipe 10 and a blower at the side; before the ladle cover 1 and the cover plate 2 are installed and used, the cavities inside the ladle cover 1 and the cover plate 2 should be filled with refractory mud and tamped, scraped flat, and dried, and the first anchor claw 107 and the second anchor claw can effectively prevent the refractory mud from falling off; the ladle cover 1 is provided with a central mounting flange 102 and a side mounting flange 103, which are respectively installed and connected to the burner 7 and the support arm 6; after the ladle cover 1 is installed, Insert the temperature measuring thermocouple 12 into the thermocouple temperature measuring hole 105, and connect the wire to the baking temperature control device; insert the cover plate 2 into the cover plate hole 106 of the ladle cover 1, the shape of the first cover plate body 201 of the cover plate 2 is the same as the shape of the cover plate hole 106, but the size is slightly smaller, to ensure that the first cover plate body 201 can be inserted into the cover plate hole 106; the first anti-fall stop 203 can effectively ensure that the cover plate 2 does not fall and completely covers the cover plate hole 106; the ladle cover assembly 1 and the cover plate 2 can be changed in position and lifted and lowered by the rotating lifting device 4 to seal the tilting ladle; after the burner 7 is ignited, the flame is sprayed downward through the nozzle 104 in the middle of the ladle cover 1 to bake the inside of the tilting ladle at high temperature. Example

[0026] like Figure 1 to Figure 6, Figure 8 As shown, the ladle roaster includes a base 4, a rotating lifting device 5, a supporting arm 6, a ladle cover 1, and a baking temperature control device; a burner 7 is arranged at one end above the supporting arm 6, and a blower, a gas pressure control device, and a counterweight iron are arranged at the other end; the burner 7 is connected to an ignition gun 8 and a gas pipe 9 at the top, and is connected to an air pipe 10 and a blower at the side; before the ladle cover 1 and the cover plate 2 3 are installed and used, refractory mud should be filled in the cavity inside the ladle cover 1 and the cover plate 2 3 and tamped, scraped flat, and dried, and the first anchor claw 107 and the third anchor claw 302 can effectively prevent the refractory mud 11 from falling off; the ladle cover 1 is provided with a central mounting flange 102 and a side mounting flange 103, which are respectively installed and connected to the burner 7 and the supporting arm 6; after the ladle cover 1 is installed, the temperature measuring thermocouple 12 is inserted into the thermocouple temperature measuring hole 105, and the guide The wire is connected to the baking temperature control device; the cover plate 2 3 is inserted into the cover plate hole 106 of the ladle cover 1, and the shape formed by the second cover plate body 301 of the cover plate 2 3 and the plug rod refractory tube of the plug rod bottom pouring ladle is the same as the shape of the cover plate hole 106, but the size is slightly smaller, ensuring that the second cover plate body 301 and the plug rod refractory tube of the plug rod bottom pouring ladle and the plug rod opening and closing mechanism can be inserted into the cover plate hole 106; the second anti-fall stopper 303 can effectively ensure that the cover plate 2 3 does not fall, and can partially cover the cover plate hole 106, and the gap is covered with thermal insulation cotton; the ladle cover 1 and the cover plate 2 3 can be changed in position and lifted by the rotating lifting device 4 to seal the plug rod bottom pouring ladle; after the burner 7 is ignited, the flame is sprayed downward through the nozzle 104 in the middle of the ladle cover 1 to bake the inside of the plug rod bottom pouring ladle at high temperature.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An improved ladle cover for a ladle roaster, comprising a ladle cover assembly (1), a cover plate 1 (2), and a cover plate 2 (3), characterized in that: The ladle cover assembly (1) is installed on the ladle baking machine. By replacing the cover plate 1 (2) and the cover plate 2 (3), the ladle baking machine can seal and bake both the tilting ladle and the plug rod bottom pouring ladle. The ladle roaster comprises a base (4), a rotating lifting device (5), a support arm (6) and a roasting temperature control device, a burner (7) is arranged at one end above the support arm (6), and a blower, a gas pressure control device and a counterweight are arranged at the other end, and the rotating lifting device (5) is connected between the base (4) and the support arm (6); The gas pressure control device comprises a burner (7), an ignition gun (8), a gas pipe (9) and an air pipe (10); the top of the burner (7) is connected to the ignition gun (8) and the gas pipe (9), and the side of the burner (7) is connected to the air pipe (10) and the blower.

2. The improved ladle cover of the ladle roaster according to claim 1, characterized in that: The cover assembly (1) comprises a cover body (101), a central mounting flange (102), a side mounting flange (103), a nozzle (104), a thermocouple temperature measuring hole (105), a cover plate hole (106) and first anchoring claws (107), wherein the number of the first anchoring claws (107) is a plurality.

3. The improved ladle cover of the ladle roaster according to claim 1, characterized in that: The cover plate 1 (2) comprises a first cover plate body (201), a second anchoring claw (202), a first anti-fall stopper (203) and a first hoisting rod (204), and the number of the second anchoring claws (202) is a plurality.

4. The improved ladle cover of the ladle roaster according to claim 1, characterized in that: The second cover plate (3) comprises a second cover plate body (301), a third anchoring claw (302), a second anti-falling stopper (303), a second lifting rod (304), and a plug rod groove (305). The third anchoring claw (302) is in a plurality of numbers, and refractory mud (11) is provided inside the second cover plate (3).

5. The improved ladle cover of the ladle roaster according to claim 2, characterized in that: The ladle cover assembly (1) is mounted below the burner (7) of the ladle roaster via a central mounting flange (102), and the side mounting flange (103) is mounted and connected to a support arm (6) of the ladle roaster.

6. The improved ladle cover of the ladle roaster according to claim 2, characterized in that: A temperature measuring thermocouple (12) is movably inserted into the thermocouple temperature measuring hole (105).

Images