Rapid salt melting device for high-temperature salt bath

Abstract

The rapid salt melting device comprises a bottom frame, a salt melting furnace body, a conveying barrel and a storage barrel, the salt melting furnace body is fixedly connected to the top of the bottom frame, the conveying barrel is fixedly connected to the top of the salt melting furnace body and communicated with the interior of the salt melting furnace body, and the storage barrel is fixedly connected to the top of the conveying barrel and communicated with the interior of the conveying barrel. The utility model belongs to the technical field of salt melting equipment, and particularly relates to a rapid salt melting device for a high-temperature salt tank, which solves the problems that the melting efficiency is reduced due to salt blocks, the efficiency is reduced due to the fact that fused salt is easily accumulated at a feeding position, and the inner wall is inconvenient to clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of molten salt equipment, and in particular relates to a fast molten salt device for a high-temperature salt tank. Background Art

[0002] Molten salt furnace is a heat carrier furnace that heats molten salt to a melting point of above 142°C, making it circulated in a molten flow state. Deep salt is placed in a molten tank and heated and melted by high-pressure steam heating tubes or electric heating tubes installed in the tank. The molten salt in the tank is heated until the viscosity of the molten salt can be circulated by a circulation pump. After the entire system becomes a flowing and circulatory state, it is pumped to the heat carrier furnace body for further circulation and heating to reach a usable temperature.

[0003] The existing molten salt equipment cannot achieve better crushing and refining effect when in use, which makes it inevitable that the melting efficiency is reduced due to the influence of salt blocks, the molten salt feed is prone to accumulation, which reduces the efficiency, and it is inconvenient to clean the inner wall. Utility Model Content

[0004] The technical problems to be solved by the utility model are that salt blocks may reduce the melting efficiency, the molten salt feed is prone to accumulation, which reduces the efficiency, and it is inconvenient to clean the inner wall.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a rapid molten salt device for a high-temperature salt tank, comprising a bottom frame, a molten salt furnace body, a conveying cylinder and a storage barrel, the molten salt furnace body being fixedly connected to the top of the bottom frame, the conveying cylinder being fixedly connected to the top of the molten salt furnace body and communicating with its interior, the storage barrel being fixedly connected to the top of the conveying cylinder and communicating with its interior, and also comprising a spiral conveying assembly for preventing salt block blockage, an intermittent conveying and crushing assembly for conveying and crushing salt blocks, and a scraping assembly for reducing residue on the inner wall of the molten salt furnace body.

[0006] Furthermore, the screw conveying assembly includes a servo motor and a propeller blade, wherein:

[0007] The servo motor is fixedly installed on the top of the storage barrel, the propeller blade is fixedly connected to the output end of the servo motor, and is arranged inside the storage barrel. The interior of the storage barrel is conical, and a feed port is provided on the top of the storage barrel.

[0008] Furthermore, the intermittent conveying and crushing assembly includes a horizontal shaft, a rotating shaft, a cylinder, a crushing rod, a first pulley, a second pulley and a transmission belt, wherein:

[0009] One end of the horizontal axis and the rotating shaft are both rotatably connected to the inner wall of the conveying cylinder, and the other ends of the horizontal axis and the rotating shaft horizontally penetrate the conveying cylinder and are rotatably connected thereto. The horizontal axis is arranged above the rotating shaft, the cylinder is fixedly connected to the horizontal axis, the crushing rods are evenly distributed on the rotating shaft, the pulley 1 is fixedly connected to the rotating shaft, the pulley 2 is fixedly connected to the horizontal axis, the transmission belt connects the pulley 1 and the pulley 2, the top of the molten salt furnace body is fixedly connected to a fixing plate, and a stepping motor is fixedly installed on its outer wall, and the output end of the stepping motor is fixedly connected to the free end of the rotating shaft.

[0010] Furthermore, the scraper assembly includes a brushless motor, a central shaft, a connecting rod and a scraper rod, wherein:

[0011] The brushless motor is fixedly mounted on the inner top of the bottom frame, the central shaft is fixedly connected to the output end of the brushless motor, and is arranged inside the molten salt furnace body, the connecting rod is fixedly connected to the central shaft, and is arranged linearly, and the scraper rod is fixedly connected to the free end of the connecting rod, and is arranged in an L shape.

[0012] Furthermore, the cylinder is provided with grooves, which are arranged in a ring shape, and the diameter of the pulley 1 is smaller than the diameter of the pulley 2.

[0013] Furthermore, a diverter plate is fixedly connected between the inner walls of the molten salt furnace body and is arranged in an arc shape. The diverter plate is arranged below the connection between the conveying cylinder and the molten salt furnace body, and the upper end of the central axis is rotatably connected to the bottom wall of the diverter plate.

[0014] After adopting the above structure, the beneficial effects of the utility model are as follows:

[0015] (1) The salt blocks to be treated as molten salt can be stored in a storage barrel in advance and transported downward at a uniform speed by the rotation of the propeller blades, thereby reducing the occurrence of blockage at the feed point;

[0016] (2) The rotation of the crushing rod can crush the salt block and crush it into granules, which are then easy to melt. The rotation of the cylinder can intermittently transport the salt block downward to avoid too much falling and poor crushing effect;

[0017] (3) The rotation of the central shaft can cause the connecting rod and the scraper to rotate simultaneously, which can not only stir the salt particles but also clean the impurities on the inner wall of the molten salt furnace;

[0018] (4) The salt particles can be diverted by the diverter plate to avoid gathering in the same place. The small-diameter pulley 1 and the large-diameter pulley 2 can reduce the rotation speed of the cylinder when the crushing rod rotates rapidly, thereby slowing down the falling speed of the salt block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0020] Figure 1 This is a schematic diagram of the overall structure of a fast molten salt device for a high-temperature salt tank proposed by the utility model;

[0021] Figure 2 This is a side view of a fast molten salt device for a high-temperature salt tank proposed by the present invention;

[0022] Figure 3 This is a cross-sectional view of a fast molten salt device for a high-temperature salt tank proposed by the present invention;

[0023] Figure 4 This is a half-section view of a fast molten salt device for a high-temperature salt tank proposed by the present invention;

[0024] Figure 5 This is another planar cross-sectional view of a rapid molten salt device for a high-temperature salt tank proposed by the present invention.

[0025] In the attached drawings: 1. bottom frame, 2. molten salt furnace body, 3. conveying cylinder, 4. storage barrel, 5. servo motor, 6. propeller blade, 7. feed port, 8. horizontal axis, 9. rotating shaft, 10. cylinder, 11. crushing rod, 12. pulley 1, 13. pulley 2, 14. transmission belt, 15. fixed plate, 16. stepping motor, 17. brushless motor, 18. center shaft, 19. connecting rod, 20. scraper rod, 21. groove, 22. diverter plate. DETAILED DESCRIPTION

[0026] like Figure 1-2 As shown, a fast molten salt device for a high-temperature salt tank includes a bottom frame 1, a molten salt furnace body 2, a conveying cylinder 3 and a storage barrel 4. The molten salt furnace body 2 is fixedly connected to the top of the bottom frame 1, the conveying cylinder 3 is fixedly connected to the top of the molten salt furnace body 2 and communicates with the interior thereof, the storage barrel 4 is fixedly connected to the top of the conveying cylinder 3 and communicates with the interior thereof, and also includes a spiral conveying assembly, an intermittent conveying and crushing assembly and a scraping assembly.

[0027] The spiral conveying component is used to prevent the salt blocks at the feed point from being blocked, the intermittent conveying and crushing component is used to intermittently convey and crush the salt blocks, and the scraping component is used to reduce the residue on the inner wall of the molten salt furnace body 2.

[0028] like Figure 1-3As shown, in order to solve the problem of blockage at the feed point, the spiral conveying assembly includes a servo motor 5 and a propeller blade 6. The servo motor 5 is fixedly installed on the top of the storage barrel 4. The propeller blade 6 is fixedly connected to the output end of the servo motor 5 and is arranged inside the storage barrel 4. The interior of the storage barrel 4 is conical, and a feed port 7 is provided at the top of the storage barrel 4.

[0029] like Figure 1-5 As shown, in order to transport the salt blocks and reduce their particle size, the intermittent conveying and crushing assembly includes a horizontal shaft 8, a rotating shaft 9, a cylinder 10, a crushing rod 11, a pulley 12, a pulley 2 13 and a transmission belt 14. One end of the horizontal shaft 8 and the rotating shaft 9 are rotatably connected to the inner wall of the conveying cylinder 3, and the other ends of the horizontal shaft 8 and the rotating shaft 9 horizontally pass through the conveying cylinder 3 and are rotatably connected thereto. The horizontal shaft 8 is arranged above the rotating shaft 9, the cylinder 10 is fixedly connected to the horizontal shaft 8, the crushing rod 11 is evenly distributed on the rotating shaft 9, the pulley 12 is fixedly connected to the rotating shaft 9, the pulley 2 13 is fixedly connected to the horizontal shaft 8, and the transmission belt 14 connects the pulley 12 and the pulley 2 13. A fixed plate 15 is fixedly connected to the top of the molten salt furnace body 2, and a stepper motor 16 is fixedly installed on its outer wall. The output end of the stepper motor 16 is fixedly connected to the free end of the rotating shaft 9. A groove 21 is provided on the cylinder 10, and they are arranged in a ring shape.

[0030] like Figure 1-5 As shown, in order to reduce the residue on the inner wall of the molten salt furnace body 2, the scraper assembly includes a brushless motor 17, a central shaft 18, a connecting rod 19 and a scraper rod 20. The brushless motor 17 is fixedly mounted on the inner top of the bottom frame 1, the central shaft 18 is fixedly connected to the output end of the brushless motor 17, and it is arranged inside the molten salt furnace body 2, the connecting rod 19 is fixedly connected to the central shaft 18, and it is arranged in a linear manner, and the scraper rod 20 is fixedly connected to the free end of the connecting rod 19, and it is arranged in an L shape.

[0031] In order to slow down the falling speed of the salt block while ensuring the crushing effect, the diameter of pulley 1 12 is smaller than the diameter of pulley 2 13 .

[0032] In order to divert the falling salt particles and prevent them from accumulating in the same place, a diverter plate 22 is fixedly connected between the inner walls of the molten salt furnace body and is arranged in an arc shape. The diverter plate 22 is arranged below the connection between the conveying cylinder 3 and the molten salt furnace body 2.

[0033] The upper end of the central shaft 18 is rotatably connected to the bottom wall of the diverter plate 22 .

[0034] When in use, the salt block to be molten salt is added into the storage barrel 4 through the feed port 7, the servo motor 5 is turned on, and the rotation of the propeller blade 6 can transport the salt block downward at a uniform speed to avoid blockage at the feed point, and the stepper motor 16 is turned on, and the pulley 12 drives the transmission belt 14 to rotate the pulley 2 13. At this time, the horizontal axis 8 and the rotating shaft 9 rotate at the same time, and the slow rotation of the cylinder 10 slowly and intermittently transports the salt block downward, and the high-speed rotation of the crushing rod 11 can crush the salt block and reduce its particle size. The diverter plate 22 diverts and guides the crushed salt particles so that the diverted salt enters the molten salt furnace body 2, and then the molten salt furnace body 2 is heated and melted by the high-pressure steam heating pipe or electric heating pipe installed in the tank (the high-pressure steam heating pipe or electric heating pipe is the existing molten salt technology). After the molten salt is finished, the brushless motor 17 is turned on, and the rotation of the central shaft 18 rotates the connecting rod 19 and the scraper rod 20 to scrape and clean the inner wall of the molten salt furnace body 2.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by the present invention and, without departing from the purpose of the present invention, design structures and embodiments similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A rapid molten salt device for a high-temperature salt tank, comprising a bottom frame, a molten salt furnace body, a conveying tube, and a storage barrel, wherein the molten salt furnace body is fixedly connected to the top of the bottom frame, the conveying tube is fixedly connected to the top of the molten salt furnace body and communicates with the interior thereof, and the storage barrel is fixedly connected to the top of the conveying tube and communicates with the interior thereof, characterized in that: It also includes a spiral conveying component for preventing salt blocks from being blocked, an intermittent conveying and crushing component for conveying and crushing salt blocks, and a scraping component for reducing residue on the inner wall of the molten salt furnace.

2. A rapid molten salt device for a high-temperature salt tank according to claim 1, characterized in that: The screw conveying assembly includes a servo motor and a propeller blade, wherein: The servo motor is fixedly installed on the top of the storage barrel, the propeller blade is fixedly connected to the output end of the servo motor, and is arranged inside the storage barrel. The interior of the storage barrel is conical, and a feed port is provided on the top of the storage barrel.

3. A rapid molten salt device for a high-temperature salt tank according to claim 2, characterized in that: The intermittent conveying and crushing assembly includes a horizontal shaft, a rotating shaft, a cylinder, a crushing rod, a first pulley, a second pulley and a transmission belt, wherein: One end of the horizontal axis and the rotating shaft are both rotatably connected to the inner wall of the conveying cylinder, and the other ends of the horizontal axis and the rotating shaft horizontally penetrate the conveying cylinder and are rotatably connected thereto. The horizontal axis is arranged above the rotating shaft, the cylinder is fixedly connected to the horizontal axis, the crushing rods are evenly distributed on the rotating shaft, the pulley 1 is fixedly connected to the rotating shaft, the pulley 2 is fixedly connected to the horizontal axis, the transmission belt connects the pulley 1 and the pulley 2, the top of the molten salt furnace body is fixedly connected to a fixing plate, and a stepping motor is fixedly installed on its outer wall, and the output end of the stepping motor is fixedly connected to the free end of the rotating shaft.

4. A rapid molten salt device for a high-temperature salt tank according to claim 3, characterized in that: The scraper assembly includes a brushless motor, a central shaft, a connecting rod and a scraper rod, wherein: The brushless motor is fixedly mounted on the inner top of the bottom frame, the central shaft is fixedly connected to the output end of the brushless motor, and is arranged inside the molten salt furnace body, the connecting rod is fixedly connected to the central shaft, and is arranged linearly, and the scraper rod is fixedly connected to the free end of the connecting rod, and is arranged in an L shape.

5. A rapid molten salt device for a high-temperature salt tank according to claim 4, characterized in that: The cylinder is provided with grooves which are arranged in a ring shape. The diameter of the first pulley is smaller than the diameter of the second pulley.

6. A rapid molten salt device for a high-temperature salt tank according to claim 5, characterized in that: A diverter plate is fixedly connected between the inner walls of the molten salt furnace body and is arranged in an arc shape. The diverter plate is arranged below the connection between the conveying cylinder and the molten salt furnace body, and the upper end of the central axis is rotatably connected to the bottom wall of the diverter plate.

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