Radiation furnace tube for steam superheater for centrifugal casting

Abstract

The utility model relates to the technical field of centrifugal casting, and discloses a radiation furnace tube for a steam superheater for centrifugal casting, which comprises a mounting frame and a centrifugal cylinder, the centrifugal cylinder is arranged at the end of the mounting frame, a mounting cover is arranged at the end of the centrifugal cylinder, a rotating mechanism is arranged below the mounting cover, and a plurality of casting cavities are arranged in the centrifugal cylinder. A clamping cover is arranged on the side portion of the rotating mechanism and used in cooperation with the casting cavity, through the arrangement of the clamping cover, when casting is completed, a second servo motor is started, the second servo motor drives a second gear to rotate, the second gear is meshed with a first gear, a rotary knob slides in a sliding groove, a sliding rod is driven to move, and therefore the casting process is completed. And meanwhile, the annular plate and the clamping cover on the side portion of the annular plate are driven to be unlocked from the casting groove in a sliding mode, an operator can be prevented from making direct contact with a high-temperature casting through a mechanical unlocking system, potential safety hazards such as clamping injury, cutting injury and scalding caused by manual operation are reduced, and an accurate control system can further reduce accidents caused by misoperation.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal casting, in particular to a radiant furnace tube for a steam superheater by centrifugal casting. Background Technique

[0002] The radiant tube by centrifugal casting is a radiant tube assembly produced by using centrifugal casting technology. Centrifugal casting is a casting method in which molten metal is evenly distributed on the inner wall of a casting mold under the action of centrifugal force by a high-speed rotating casting mold, thereby realizing the uniform solidification of the metal. This method can produce castings with excellent mechanical properties and wear resistance. Radiant tubes are usually used in application scenarios that require high temperature resistance and corrosion resistance, such as high-temperature heating systems or radiant heating devices. Its structural design aims to be able to effectively conduct and radiate heat. Centrifugal casting technology is particularly suitable for manufacturing these pipes because it can improve the density and uniformity of the pipe wall, reduce pores and impurities, thereby enhancing the overall performance and service life of the pipe. During the manufacturing process of the radiant tube, centrifugal casting technology can ensure the thickness uniformity of the pipe wall and the smoothness of the inner and outer surfaces. This not only improves the mechanical strength of the pipe but also enhances its heat conduction efficiency, making the performance of the radiant tube more stable and reliable under high temperature and harsh conditions. Generally speaking, the radiant tubes by centrifugal casting are widely used in industrial fields that require high temperature, high strength, and corrosion resistance due to their excellent manufacturing quality and performance.

[0003] Currently, when casting radiant tubes, when manually opening the casting tubes one by one, there may be safety hazards such as pinching and cutting during the manual operation process. At the same time, it may cause high-temperature castings to come into contact with the operator, resulting in accidents such as scalding. Therefore, it does not meet the existing requirements, and for this reason, we propose a radiant furnace tube for a steam superheater by centrifugal casting. Content of the Utility Model

[0004] The utility model provides a radiant furnace tube for a steam superheater by centrifugal casting, which has the beneficial effects of reducing safety hazards such as pinching, cutting, and scalding caused by manual operation. At the same time, the precise control system can also reduce accidents caused by operation errors, and solves the problems mentioned in the above background technique that when casting radiant tubes, when manually opening the casting tubes one by one, there may be safety hazards such as pinching and cutting during the manual operation process, and at the same time, it may cause high-temperature castings to come into contact with the operator, resulting in accidents such as scalding.

[0005] The utility model provides the following technical solution: A radiant furnace tube for a steam superheater by centrifugal casting, including a mounting frame and a centrifugal cylinder. The centrifugal cylinder is arranged at the end of the mounting frame. An installation cover is arranged at the end of the centrifugal cylinder. A rotating mechanism is arranged below the installation cover. A plurality of casting cavities are opened inside the centrifugal cylinder. A clamping cover is arranged on the side of the rotating mechanism, and the clamping cover is used in cooperation with the casting cavity.

[0006] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: a first servo motor is installed on the side of the mounting frame, a first roller disc is sleeved outside the output shaft of the first servo motor, a second roller disc is arranged below the centrifugal cylinder, and a transmission belt is sleeved jointly outside the first roller disc and the second roller disc.

[0007] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: a handle is arranged at the end of the mounting cover, a second servo motor is arranged on the surface of the mounting cover, and the output shaft of the second servo motor is used in cooperation with the rotating mechanism.

[0008] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: the rotating mechanism includes a first gear and a second gear, a first rotating shaft is connected to the middle of the first gear, the first rotating shaft is connected to the side of the mounting cover, and a second rotating shaft is meshed and connected to the side of the first rotating shaft.

[0009] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: a second rotating shaft is connected to the second gear, and the second rotating shaft is key-connected to the output shaft of the second servo motor.

[0010] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: a plurality of sliding grooves are formed on the side of the first gear, a knob is slidably connected inside the sliding groove, and a sliding rod is connected to the side of the knob.

[0011] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: the other end of the first rotating shaft is connected to a fixing plate, a notch is formed on the side of the fixing plate, and the notch is slidably matched with the sliding rod.

[0012] As an alternative solution for the radiant furnace tube of a steam superheater using centrifugal casting according to the present utility model, wherein: a ring plate is connected to the end of the sliding rod, the ring plate is used in cooperation with the clamping cover, a sealing plug is connected to the bottom of the clamping cover, and the sealing plug is slidably clamped with the casting cavity.

[0013] The present utility model has the following beneficial effects:

[0014] 1. The radiant furnace tube for a steam superheater by centrifugal casting, through the setting of the clamping cover, when the casting is completed, start the second servo motor. The second servo motor drives the second gear to rotate. The second gear meshes with the first gear, causing the knob to slide inside the chute, driving the slide bar to move, and at the same time driving the ring plate and the clamping cover on the side of the ring plate to slide and unlock from the casting groove. Through the mechanized unlocking system, it can prevent operators from directly contacting high-temperature castings, reducing safety hazards such as pinching, cutting, and scalding caused by manual operations. At the same time, the precise control system can also reduce accidents caused by operation errors, solving the problems of safety hazards such as pinching and cutting that may occur during the manual operation when opening the casting tubes one by one during the casting of radiant tubes, and at the same time, it may cause high-temperature castings to come into contact with the operator, resulting in accidents such as scalding.

[0015] 2. The radiant furnace tube for a steam superheater by centrifugal casting, through the setting of the sealing plug, the sealing plug cooperates with the casting cavity. While the clamping cover is slidably fitted with the centrifugal cylinder, the sealing plug is slidably engaged with the casting cavity. The sealing plug can effectively prevent the leakage of molten metal, reducing safety hazards caused by metal spilling or splashing. At the same time, ensuring the sealing performance also reduces the harm of high-temperature gases or chemical substances to operators and improves the safety of the overall production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 It is a sectional structural schematic diagram of the present utility model.

[0018] Figure 3 It is a structural schematic diagram of the first gear of the present utility model.

[0019] Figure 4 It is a structural schematic diagram of the clamping cover of the present utility model.

[0020] Figure 5 It is a structural schematic diagram of the casting cavity of the present utility model.

[0021] Figure 6 It is a structural schematic diagram of the sealing plug of the present utility model.

[0022] In the figure: 110, mounting bracket; 111, first servo motor; 112, first roller disc; 113, second roller disc; 120, centrifugal cylinder; 121, casting cavity; 130, mounting cover; 131, handle; 132, second servo motor; 140, rotating mechanism; 141, first gear; 142, second gear; 143, first rotating shaft; 144, second rotating shaft; 150, clamping cover; 151, chute; 152, knob; 153, slide bar; 154, fixing plate; 155, notch; 160, ring plate; 161, sealing plug; 200, transmission belt. Detailed implementation manners

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1. The purpose of this embodiment is to facilitate the solution of the problems that during the casting of radiant tubes, when manually opening the casting tubes one by one, there may be safety hazards such as pinching and cutting during the manual operation process, and at the same time, it may cause accidents such as burns when the high-temperature castings come into contact with the operator. Please refer to Figures 1-6 , a radiant furnace tube for a steam superheater using centrifugal casting, including a mounting bracket 110 and a centrifugal cylinder 120. The centrifugal cylinder 120 is arranged at the end of the mounting bracket 110. A mounting cover 130 is arranged at the end of the centrifugal cylinder 120. A rotating mechanism 140 is arranged below the mounting cover 130. A plurality of casting cavities 121 are opened inside the centrifugal cylinder 120. A clamping cover 150 is arranged on the side of the rotating mechanism 140. The clamping cover 150 is used in cooperation with the casting cavity 121.

[0025] A first servo motor 111 is installed on the side of the mounting bracket 110. A first roller disc 112 is sleeved outside the output shaft of the first servo motor 111. A second roller disc 113 is arranged below the centrifugal cylinder 120. A transmission belt 200 is sleeved outside the first roller disc 112 and the second roller disc 113 together. A handle 131 is arranged at the end of the mounting cover 130. A second servo motor 132 is arranged on the surface of the mounting cover 130. The output shaft of the second servo motor 132 is used in cooperation with the rotating mechanism 140.

[0026] The rotating mechanism 140 includes a first gear 141 and a second gear 142. A first rotating shaft 143 is connected to the middle of the first gear 141. The first rotating shaft 143 is connected to the side of the mounting cover 130. A second rotating shaft 144 is meshed and connected to the side of the first rotating shaft 143. A second rotating shaft 144 is connected to the second gear 142. The second rotating shaft 144 is key-connected to the output shaft of the second servo motor 132. A plurality of sliding grooves 151 are formed on the side of the first gear 141. A knob 152 is slidably connected inside the sliding grooves 151. A sliding rod 153 is connected to the side of the knob 152.

[0027] In this embodiment: Through the setting of the clamping cover 150, when the casting is completed, the second servo motor 132 is started. The second servo motor 132 drives the second gear 142 to rotate. The second gear 142 meshes with the first gear 141, causing the knob 152 to slide inside the sliding groove 151, driving the sliding rod 153 to move, and at the same time driving the ring plate 160 and the clamping cover 150 on the side of the ring plate 160 to slide and unlock with the casting groove. Through the mechanized unlocking system, it is possible to prevent operators from directly contacting high-temperature castings, reducing safety hazards such as pinching, cutting, and scalding caused by manual operations. At the same time, the precise control system can also reduce accidents caused by operation errors, solving the problems of safety hazards such as pinching and cutting that may occur during the manual operation when opening the casting tubes one by one during the casting of radiation tubes, and at the same time, it may cause high-temperature castings to come into contact with the operator, resulting in accidents such as scalding.

[0028] Embodiment 2. This embodiment aims to facilitate the solution of problems caused by metal spillage or splashing. This embodiment is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figures 1-6 , the other end of the first rotating shaft 143 is connected to a fixing plate 154. A notch 155 is formed on the side of the fixing plate 154. The notch 155 is slidably matched with the sliding rod 153. The end of the sliding rod 153 is connected to a ring plate 160. The ring plate 160 is used in cooperation with the clamping cover 150. A sealing plug 161 is connected to the bottom of the clamping cover 150. The sealing plug 161 is slidably clamped with the casting cavity 121.

[0029] In this embodiment: Through the setting of the sealing plug 161, the sealing plug 161 cooperates with the casting cavity 121. While the clamping cover 150 is slidably matched with the centrifugal cylinder 120, the sealing plug 161 is slidably clamped with the casting cavity 121. The sealing plug 161 can effectively prevent the leakage of molten metal, reducing the safety hazards caused by metal spillage or splashing. At the same time, ensuring the sealing performance also reduces the harm of high-temperature gases or chemical substances to operators, improving the safety of the overall production process.

[0030] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0031] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A radiant furnace tube for a steam superheater by centrifugal casting, comprising a mounting frame (110) and a centrifugal cylinder (120), wherein the centrifugal cylinder (120) is arranged at the end of the mounting frame (110), and is characterized in that: An installation cover (130) is provided at the end of the centrifugal cylinder (120). A rotating mechanism (140) is provided below the installation cover (130). A plurality of casting cavities (121) are formed inside the centrifugal cylinder (120). A clamping cover (150) is provided on the side of the rotating mechanism (140). The clamping cover (150) is used in cooperation with the casting cavity (121).

2. The radiant furnace tube for a steam superheater by centrifugal casting according to claim 1, characterized in that: A first servo motor (111) is installed on the side of the mounting frame (110). A first roller disc (112) is sleeved outside the output shaft of the first servo motor (111). A second roller disc (113) is provided below the centrifugal cylinder (120). A transmission belt (200) is sleeved outside the first roller disc (112) and the second roller disc (113).

3. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 2, characterized in that: A handle (131) is provided at the end of the installation cover (130). A second servo motor (132) is provided on the surface of the installation cover (130). The output shaft of the second servo motor (132) is used in cooperation with the rotating mechanism (140).

4. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 3, characterized in that: The rotating mechanism (140) includes a first gear (141) and a second gear (142). A first rotating shaft (143) is connected to the middle of the first gear (141). The first rotating shaft (143) is connected to the side of the installation cover (130). A second rotating shaft (144) is meshed and connected to the side of the first rotating shaft (143).

5. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 4, characterized in that: A second rotating shaft (144) is connected to the second gear (142). The second rotating shaft (144) is key-connected to the output shaft of the second servo motor (132).

6. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 5, characterized in that: A plurality of chutes (151) are formed on the side of the first gear (141). A knob (152) is slidably connected inside the chute (151). A sliding rod (153) is connected to the side of the knob (152).

7. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 6, characterized in that: The other end of the first rotating shaft (143) is connected to a fixing plate (154). A notch (155) is formed on the side of the fixing plate (154). The notch (155) is slidably matched with the sliding rod (153).

8. A radiant furnace tube for a steam superheater by centrifugal casting according to claim 7, characterized in that: The end of the sliding rod (153) is connected to an annular plate (160). The annular plate (160) is used in cooperation with the clamping cover (150). A sealing plug (161) is connected to the bottom of the clamping cover (150). The sealing plug (161) is slidably engaged with the casting cavity (121).

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