A mold

Abstract

The present invention provides a crystallizer, which relates to the technical field of magnesium purification and solves the technical problem of poor use effect of existing magnesium purification equipment in the prior art. The crystallizer includes a crystallizer body, a lifting crystallization device and an auxiliary crystallization device. A crystallization chamber is arranged inside the crystallizer body. The lifting crystallization device includes a lifting component and a crystallization disc component. The crystallization disc component is arranged in the crystallization chamber, and the lifting end of the lifting component is connected to the crystallization disc component. The auxiliary crystallization device is arranged on the crystallizer body and located above the crystallization disc component, and the auxiliary crystallization device is communicated with the crystallization chamber. By means of the lifting crystallization device, the magnesium vapor is kept in a specified area for crystallization, significantly improving the collection amount of crystalline magnesium. Through the auxiliary crystallization device, not only can the collection rate of magnesium be significantly improved, but also the leakage of magnesium vapor can be effectively avoided, ensuring the use safety.

Description

Technical Field

[0001] The present invention relates to the technical field of magnesium purification, and particularly relates to a crystallizer. Background Art

[0002] In the production of high-purity metallic magnesium, usually, crude magnesium is heated in a vacuum environment to form vapor, and after cooling and crystallization, high-purity magnesium is obtained. The crystallizer is an essential component of existing magnesium purification equipment. During the crystallization of magnesium vapor by existing crystallizers, the crystallization is often incomplete, which not only affects the collection rate of magnesium but also easily leads to the leakage of magnesium vapor, posing a safety hazard. Moreover, in existing high-purity purification equipment, the crystallizer is fixedly arranged, and the fixed structure of the crystallizer limits its cooling area. Therefore, with the continuous accumulation of crystallized magnesium, not only is the collection amount of crystallized magnesium greatly limited, but also some magnesium vapor will crystallize on the inner wall of the crystallization cavity, affecting the discharging. Summary of the Invention

[0003] The object of the present invention is to provide a crystallizer to solve the technical problem of poor use effect of existing magnesium purification equipment in the prior art; among the many technical solutions provided by the present invention, the preferred technical solution can produce many technical effects (the heating element is sleeved on the lower section of the crystallizer body, which can effectively prevent magnesium vapor from crystallizing on the inner wall of the crystallizer body; the support device includes a support frame and lifting legs, the crystallizer body is arranged on the lifting frame, and the lifting legs are arranged at the bottom of the lifting frame, which can adjust the height according to actual needs, with flexible structure and convenient use; the lifting assembly includes a lifting tube and a lifting drive device connected in transmission, the lifting tube is connected to the crystallization disk assembly, the lifting drive device provides lifting power, and the lifting tube, as a lifting actuator, can drive the crystallization disk assembly to lift according to the actual crystallization situation of magnesium vapor during use to ensure the collection amount of crystalline magnesium; the crystallization disk assembly includes a crystallization disk and a spacer ring, an installation chamber is arranged inside the crystallization disk for installing the cooling coil, with uniform cooling, the cooling coil is connected with a coolant inlet pipe and a coolant outlet pipe, which can form a coolant circulation loop, the spacer ring is sleeved on the crystallization disk and has a higher temperature than the crystallization disk, so that magnesium vapor can only crystallize on the crystallization disk, thereby forming relatively independent crystalline magnesium without affecting the lifting action; the temperature measuring mechanism is electrically connected to the electrode lead-out assembly, and the temperature measuring mechanism is connected to the crystallization disk, with accurate temperature detection; the dynamic sealing device includes a sealing assembly and an installation assembly, the sealing assembly includes a seal, an inner sealing ring and an outer sealing ring, the installation assembly can press the inner sealing ring, and the inner and outer sealing rings cooperate with each other, with remarkable sealing effect; the number of inner sealing rings is set to be multiple, and a spacer ring is arranged between adjacent inner sealing rings to further improve the inner sealing effect; the auxiliary crystallization device includes a diversion tube assembly, a cooling assembly and a crystallization assembly, the diversion tube assembly is used for installing the crystallization assembly and the cooling assembly on the one hand, and can divert magnesium vapor to the crystallization assembly on the other hand, the crystallization assembly and the cooling assembly cooperate with each other to effectively crystallize the magnesium vapor overflowing from the crystallization disk assembly, prevent magnesium vapor leakage and improve the magnesium collection rate; the diversion tube assembly includes a vacuum connecting pipe and a vacuum corrugated pipe, the vacuum connecting pipe is used for air diversion, the vacuum corrugated pipe has certain bending, stretching and eccentric functions, with flexible structure, and at the same time has reliable sealing performance and service life, etc.); see the following for details.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A crystallizer provided by the present invention includes a crystallizer body, a lifting crystallization device, and an auxiliary crystallization device. A crystallization chamber is provided inside the crystallizer body, wherein: the lifting crystallization device includes a lifting component and a crystallization disk component. The crystallization disk component is arranged inside the crystallization chamber. The lifting end of the lifting component is arranged inside the crystallization chamber and is connected to the crystallization disk component. The lifting component can drive the crystallization disk component to lift; the auxiliary crystallization device is arranged on the crystallizer body and is located above the crystallization disk component. The auxiliary crystallization device is communicated with the crystallization chamber.

[0006] Preferably, the crystallizer includes a heating body, and the heating body is sleeved on the lower section of the crystallizer body.

[0007] Preferably, the crystallizer includes a supporting device, and the supporting device includes a supporting frame and lifting legs, wherein: the crystallizer body is arranged on the supporting frame; the lifting legs are arranged at the bottom of the supporting frame.

[0008] Preferably, the lifting component includes a lifting tube and a lifting driving device, wherein: the lifting tube is slidably inserted into the crystallization chamber and is connected to the crystallization disk component; the lifting driving device is in transmission connection with the lifting tube and can drive the lifting tube to lift.

[0009] Preferably, the crystallization disk component includes a crystallization disk and a separating ring, wherein: the crystallization disk is connected to the lifting tube. An installation chamber is arranged inside the crystallization disk. The lifting tube is communicated with the installation chamber. A cooling coil is arranged inside the installation chamber. The cooling coil is communicated with a coolant inlet pipe and a coolant outlet pipe. The inlet end of the coolant inlet pipe passes through the lifting tube and is connected with an inlet joint. The outlet end of the coolant outlet pipe passes through the lifting tube and is connected with an outlet joint; the separating ring is sleeved on the crystallization disk. The separating ring is adapted to the crystallization chamber. The temperature of the separating ring is higher than the temperature of the crystallization disk.

[0010] Preferably, an electrode lead-out component is arranged on the crystallizer body. The lifting crystallization device includes a temperature measuring mechanism, wherein: the electrode lead-out component is electrically connected to the temperature measuring mechanism; the temperature measuring mechanism is connected to the crystallization disk to detect the temperature of the crystallization disk.

[0011] Preferably, the crystallizer includes a dynamic sealing device, and the dynamic sealing device includes a sealing component and a mounting component, wherein: the sealing component includes a seal, an inner sealing ring, and an outer sealing ring. The seal is detachably arranged at the top of the crystallizer body. The seal is axially provided with a sliding cavity. An installation groove is formed on the end face of the seal. The sliding cavity penetrates through the installation groove. The inner sealing ring is arranged in the installation groove. An annular groove is arranged on the outer side of the seal. The outer sealing ring is arranged in the annular groove. The mounting component includes a pressing end cover and a sheath. The sliding cavity penetrates through the pressing end cover and the sheath. The pressing end cover is detachably connected to the seal. The sheath is arranged between the seal and the pressing end cover. The sheath is inserted into the installation groove and abuts against the pressing end cover and the inner sealing ring at both ends respectively. The lifting pipe passes through the sliding cavity and can slide along the sliding cavity.

[0012] Preferably, the number of the inner sealing rings is at least two, and a spacer ring is arranged between two adjacent inner sealing rings; the two outermost inner sealing rings respectively abut against the bottom of the installation groove and the sheath.

[0013] Preferably, the auxiliary crystallization device includes a diversion pipe assembly, a cooling assembly, and a crystallization assembly, wherein: the diversion pipe assembly includes a diversion pipeline and an end cover. One end of the diversion pipeline is arranged on the crystallizer body, and the end cover is detachably arranged at the other end of the diversion pipeline. The cooling assembly includes a water-cooled sleeve. The water-cooled sleeve is sleeved on the diversion pipeline. The water-cooled sleeve is communicated with a first coolant pipe and a second coolant pipe. The crystallization assembly includes a crystallization cover and a compression spring. The crystallization cover is arranged at a position corresponding to the water-cooled sleeve in the diversion pipeline. Both ends of the compression spring are respectively connected to the crystallization cover and the end cover. A support ring is annularly arranged on the inner wall of the diversion pipeline. The crystallization cover abuts against the support ring.

[0014] Preferably, the crystallization cover is arranged as a cylindrical structure with both ends penetrating through; the inner diameter of the crystallization cover gradually decreases in the direction close to the end cover; the diversion pipe assembly includes a vacuum communication pipe and a vacuum corrugated pipe. The air inlet end of the vacuum communication pipe is communicated with the diversion pipeline and is located at the downstream position of the crystallization cover; the air outlet end of the vacuum communication pipe is connected to the vacuum corrugated pipe.

[0015] The crystallizer provided by the present invention has at least the following beneficial effects:

[0016] The crystallizer includes a crystallizer body, a lifting crystallization device, and an auxiliary crystallization device. A crystallization chamber is arranged inside the crystallizer body. The crystallizer body is used for the installation of other devices, and the crystallization chamber arranged inside provides a space for the crystallization of magnesium vapor;

[0017] The lifting crystallization device includes a lifting assembly and a crystallization tray assembly. The crystallization tray assembly is arranged in the crystallization chamber. The lifting end of the lifting assembly is arranged in the crystallization chamber and is connected to the crystallization tray assembly. The lifting assembly can drive the crystallization tray assembly to lift. During actual use, the magnesium vapor in the crystallization chamber flows from bottom to top and crystallizes at the bottom of the crystallization tray assembly. As the magnesium vapor continuously crystallizes, the lifting assembly can drive the crystallization tray assembly to rise, so that the magnesium vapor always crystallizes in the specified area, thereby significantly increasing the collection amount of crystalline magnesium.

[0018] The auxiliary crystallization device is arranged on the crystallizer body and is located above the crystallization tray assembly. The auxiliary crystallization device is connected to the crystallization chamber. During the crystallization of magnesium vapor, a small amount of magnesium vapor passes through the gap between the crystallization tray assembly and the inner wall of the crystallizer body. The auxiliary crystallization device is mainly used for the crystallization and collection of this part of magnesium vapor to reduce the escape of magnesium vapor, which can not only significantly increase the collection rate of magnesium, but also effectively ensure the use safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic cross-sectional view of the structure of the present invention;

[0021] Figure 2 is a schematic structural view of the lifting crystallization device of the present invention;

[0022] Figure 3 and Figure 4 is a schematic cross-sectional view of the structure of the lifting crystallization device of the present invention;

[0023] Figure 5 is a schematic structural view of the auxiliary crystallization device of the present invention;

[0024] Figure 6 and Figure 7 is a schematic cross-sectional view of the structure of the auxiliary crystallization device of the present invention;

[0025] Figure 8 is a schematic structural view of the dynamic sealing device of the present invention;

[0026] Figure 9 and Figure 10 is a schematic cross-sectional view of the structure of the dynamic sealing device of the present invention;

[0027] Figure 11 It is a schematic diagram of the installation structure of the electrode lead-out component of the present invention.

[0028] Reference numerals

[0029] 1. Mould body; 11. Crystallization cylinder; 12. Upper cover; 13. Crystallization chamber; 14. First connecting pipe; 15. Second connecting pipe; 16. Installation flange; 2. Lifting crystallization device; 21. Lifting component; 211. Lifting pipe; 22. Crystallization disc component; 221. Crystallization disc; 2211. Cooling coil; 2212. Coolant inlet pipe; 2213. Coolant outlet pipe; 2214. Inlet joint; 2215. Outlet joint; 2216. First disc body; 22161. First mounting hole; 2217. Second disc body; 22171. Second mounting hole; 222. Isolation ring; 23. Temperature measuring mechanism; 231. First temperature measuring element; 232. Second temperature measuring element; 24. Fixed ring; 3. Auxiliary crystallization device; 31. Diversion pipe component; 311. Diversion pipeline; 312. End cover; 313. End flange; 314. Sealing gasket; 315. Vacuum connecting pipe; 316. Vacuum corrugated pipe; 32. Cooling component; 321. Water-cooled sleeve; 322. First coolant pipe; 323. Second coolant pipe; 33. Crystallization component; 331. Crystallization cover; 332. Compression spring; 333. Support ring; 4. Heating element; 5. Support device; 51. Support frame; 52. Lifting leg; 6. Dynamic sealing device; 61. Mounting component; 611. Compression end cover; 6111. Accommodating groove; 612. Sheath; 62. Sealing component; 621. Sealing element; 6211. Sliding cavity; 6212. Mounting groove; 6213. Annular groove; 6214. Cylindrical part; 6215. Flange part; 622. Inner sealing ring; 623. Outer sealing ring; 624. Spacer ring; 7. Electrode lead-out component; 8. Flange clamp. Detailed implementation manners

[0030] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. 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 implementation manners obtained by those of ordinary skill in the art without creative efforts shall fall within the scope protected by the present invention.

[0031] The present invention provides a crystallizer, as Figure 1As shown in the figure, the crystallizer includes a crystallizer body 1, a lifting crystallization device 2, and an auxiliary crystallization device 3. The crystallizer body 1 includes a crystallization cylinder 11 axially penetrating through it and an upper cover 12 detachably covering the top of the crystallization cylinder 11. A crystallization chamber 13 is provided inside the crystallization cylinder 11. Among them: The lifting crystallization device 2 includes a lifting component 21 and a crystallization disk component 22. The crystallization disk component 22 is arranged in the crystallization chamber 13. The lifting end of the lifting component 21 is arranged in the crystallization chamber 13 and is connected to the crystallization disk component 22. The lifting component 21 can drive the crystallization disk component 22 to lift and lower; The auxiliary crystallization device 3 is arranged on the side wall of the crystallization cylinder 11 and above the crystallization disk component 22. The auxiliary crystallization device 3 is communicated with the crystallization chamber 13.

[0032] During use, magnesium vapor enters the crystallization chamber 13 through the opening at the bottom end of the crystallization cylinder 11. The magnesium vapor flows to the crystallization disk component 22 and crystallizes at the bottom of the crystallization disk component 22. As the magnesium vapor continuously crystallizes, the lifting component 21 drives the crystallization disk component 22 to rise. During this process, part of the magnesium vapor overflows from the gap between the crystallization disk component 22 and the inner wall of the crystallization cylinder 11 to the upper side of the crystallization disk component 22. This part of the magnesium vapor enters the auxiliary crystallization device 3 and crystallizes on the auxiliary crystallization device 3; In the present invention, the magnesium vapor is kept crystallizing in a specified area through the lifting crystallization device 2, significantly increasing the collection amount of crystalline magnesium. Through the mutual cooperation of the lifting crystallization device 2 and the auxiliary crystallization device 3, not only can the collection rate of magnesium be significantly improved, but also the leakage of magnesium vapor can be effectively avoided, ensuring the safety of use.

[0033] As an optional implementation manner, as Figure 1 shown in the figure, the crystallizer includes a heating element 4. A flange is provided at the bottom end of the crystallization cylinder 11. The heating element 4 is sleeved on the lower section of the crystallization cylinder 11 and is located on the flange; The heating element 4 can prevent magnesium vapor from crystallizing on the inner wall of the crystallization cylinder 11, enabling the lifting and lowering action of the crystallization disk component 22 to be smoothly executed.

[0034] As an optional implementation manner, as Figure 1 shown in the figure, the crystallizer includes a support device 5. The support device 5 includes a support frame 51 and lifting legs 52.

[0035] The number of the support frames 51 is set to two. The two support frames 51 are arranged oppositely. The crystallization cylinder 11 is arranged between the two support frames 51.

[0036] Two lifting legs 52 are provided at the bottom of each support frame 51.

[0037] Optionally, the lifting leg 52 includes a sleeve and a lead screw. The sleeve and the lead screw are in threaded cooperation. The top end of the lead screw is inserted into the sleeve. The sleeve is arranged at the bottom of the support frame 51. A support is provided at the bottom end of the lead screw.

[0038] As an optional implementation, Figures 2 - 4 As shown, the lifting assembly 21 includes a lifting tube 211 and a lifting drive device, and the lifting drive device can be configured as a pneumatic telescopic lifting device, a hydraulic telescopic lifting device, or an electric telescopic lifting device.

[0039] The lifting tube 211 is slidably inserted in the crystallization chamber and connected to the crystallization disk assembly 22; the lifting drive device is transmission-connected to the lifting tube 211 and can drive the lifting tube 211 and the crystallization disk assembly 22 to rise and fall.

[0040] As an optional implementation, the crystallization disk assembly 22 includes a crystallization disk 221 and an isolation ring 222 .

[0041] The crystallization plate 221 is connected to the lifting tube 211 . An installation chamber is provided inside the crystallization plate 221 . The lifting tube 211 is communicated with the installation chamber. A cooling coil 2211 is provided in the installation chamber.

[0042] The crystallization plate 221 includes a first plate body 2216 and a second plate body 2217. The first plate body 2216 is arranged on the second plate body 2217 and surrounds the installation chamber. The installation chamber is adapted to the cooling coil 2211 so that the cooling surface of the second plate body 2217 can be fully cooled. The lifting tube 211 is vertically arranged on the first plate body 2216. The isolation ring 222 is sleeved on the second plate body 2217. The bottom surface of the second plate body 2217 is a cooling surface for the crystallization of magnesium vapor.

[0043] The liquid inlet end and the liquid outlet end of the cooling coil 2211 are respectively connected to a cooling liquid inlet pipe 2212 and a cooling liquid outlet pipe 2213 , and the liquid inlet end and the liquid outlet end of the cooling coil 2211 are both arranged in the middle of the cooling coil 2211 .

[0044] The bottom end of the coolant inlet pipe 2212 is connected to the inlet end of the cooling coil 2211; the top end of the coolant inlet pipe 2212 passes through the lifting pipe 211 and is connected to a liquid inlet connector 2214, which is used to connect the coolant inlet pipeline.

[0045] The bottom end of the coolant outlet pipe 2213 is connected to the outlet end of the cooling coil 2211; the top end of the coolant outlet pipe 2213 passes through the lifting pipe 211 and is connected to a liquid outlet connector 2215, which is used to connect the coolant outlet pipeline.

[0046] The isolation ring 222 is sleeved on the second disk 2217, and its bottom surface is flush with the cooling surface.

[0047] The isolation ring 222 is adapted to the crystallization chamber 13 , and the temperature of the isolation ring 222 is higher than the temperature of the crystallization plate 221 .

[0048] As an optional implementation, as Figure 1 and Figure 11 shown, a first connecting pipe 14 is provided at the top of the upper cover 12, a flange is provided at the top of the first connecting pipe 14, the electrode lead-out assembly 7 is detachably arranged on the flange through a flange clamp 8, the flange clamp 8 includes a first clamping member, a second clamping member and a locking assembly, the first clamping member and the second clamping member are relatively clamped on the flange and the electrode lead-out assembly 7, the fixed ends of the first clamping member and the second clamping member are hinged together, the movable ends of the first clamping member and the second clamping member are detachably connected through the locking assembly, the locking assembly includes a connecting shaft and a butterfly nut, and the connecting shaft passes through the movable ends of the first clamping member and the second clamping member and is threadedly connected with the butterfly nut.

[0049] As Figures 2 - 4 shown, the lifting crystallization device 2 includes a temperature measuring mechanism 23, the temperature measuring mechanism 23 includes a first temperature measuring element 231 and a second temperature measuring element 232, and the first temperature measuring element 231 and the second temperature measuring element 232 are set as thermocouple temperature sensors.

[0050] A first mounting hole 22161 is provided on the disk wall of the first disk body 2216 along the radial direction of its cross section, and the detection end of the first temperature measuring element 231 is inserted into the first mounting hole 22161.

[0051] A second mounting hole 22171 is provided on the disk wall of the second disk body 2217 along the radial direction of its cross section, and the detection end of the second temperature measuring element 232 is inserted into the second mounting hole 22171.

[0052] The first temperature measuring element 231 and the second temperature measuring element 232 cooperate with each other to detect the temperature of the crystallization disk 221.

[0053] Both the first temperature measuring element 231 and the second temperature measuring element 232 are electrically connected to the electrode lead-out assembly 7.

[0054] As an optional implementation, as Figure 2 shown, before being put into use (during the test stage), a fixing ring 24 is fixedly sleeved on the lifting pipe 211, the fixing ring 24 is detachably and fixedly arranged in the opening at the top of the crystallization cylinder body 11, the fixing ring 24 can fix the lifting pipe 211 on the crystallization cylinder body 11 to facilitate the collection of data parameters, and during use, the fixing ring 24 is removed, and the lifting pipe 211 can then be lifted and lowered under the drive of the lifting drive device.

[0055] As an optional implementation, as Figures 8 - 10As shown, the crystallizer includes a dynamic sealing device 6, and the dynamic sealing device 6 includes a sealing assembly 62 and a mounting assembly 61.

[0056] The sealing assembly 62 includes a seal 621, an inner sealing ring 622 and an outer sealing ring 623. A second connecting pipe 15 is provided at the top of the upper cover 12, and a mounting flange 16 is provided at the top of the second connecting pipe 15. The seal 621 is detachably arranged on the mounting flange 16 through a threaded fastener.

[0057] The seal 621 is axially provided with a sliding cavity 6211. An installation groove 6212 is formed on the end face of the seal 621. The sliding cavity 6211 penetrates through the installation groove 6212. The inner sealing ring 622 is arranged in the installation groove 6212. An annular groove 6213 is arranged on the outer side of the seal 621. The annular groove 6213 is adapted to the outer sealing ring 623, and the outer sealing ring 623 is arranged in the annular groove 6213.

[0058] The seal 621 includes a cylindrical part 6214 and a flange part 6215 arranged at one end of the cylindrical part 6214. The cylindrical part 6214 is cylindrical, and the flange part 6215 is arranged as a sealing flange. The installation groove 6212 is arranged on the side of the seal 621 where the flange part 6215 is provided; the annular groove 6213 is arranged on the side of the flange part 6215 adjacent to the cylindrical part 6214 and is arranged around the cylindrical part 6214.

[0059] The mounting assembly 61 includes a pressing end cover 611 and a sheath 612. The sliding cavity 6211 penetrates through the pressing end cover 611 and the sheath 612. The pressing end cover 611 is detachably connected to the seal 621 through a threaded fastener. A receiving groove 6111 is circumferentially and uniformly arranged on the pressing end cover 611. The receiving groove 6111 is used to receive the nuts of the threaded fasteners connecting the seal 621 and the mounting flange 16; the sheath 612 is arranged between the seal 621 and the pressing end cover 611. The sheath 612 is inserted into the installation groove 6212 and abuts against the pressing end cover 611 and the inner sealing ring 622 at both ends respectively.

[0060] The lifting pipe 211 passes through the sliding cavity 6211 and can slide along the sliding cavity 6211.

[0061] As an optional implementation manner, the number of the inner sealing rings 622 is at least set to two, and a spacer ring 624 is arranged between two adjacent inner sealing rings 622; the two outermost inner sealing rings 622 respectively abut against the bottom of the installation groove 6212 and the sheath 612; preferably, the number of the inner sealing rings 622 is set to three, and the number of the spacer rings 624 is set to two.

[0062] As Figure 4As shown, multiple inner sealing rings 622 cooperate with each other for sealing between the lifting pipe 211 and the seal 621, and the outer sealing ring 623 is used for sealing between the seal 621 and the mounting flange 16, with a remarkable sealing effect.

[0063] As an optional implementation manner, as Figures 5 - 7 shown, the auxiliary crystallization device 3 includes a diversion pipe assembly 31, a cooling assembly 32, and a crystallization assembly 33.

[0064] The diversion pipe assembly 31 includes a diversion pipeline 311 and an end cover 312. One end of the diversion pipeline 311 is arranged on the crystallization cylinder 11 and is communicated with the crystallization cylinder 11, and the end cover 312 is detachably arranged on the other end of the diversion pipeline 311 through a threaded fastener.

[0065] The cooling assembly 32 includes a water-cooled sleeve 321. The water-cooled sleeve 321 is sleeved on the diversion pipeline 311. The water-cooled sleeve 321 is arranged as a cylindrical structure with both ends penetrating through, and an annular clamping cavity is arranged inside it; a first coolant pipe 322 and a second coolant pipe 323 are communicated with the outer wall of the water-cooled sleeve 321 and the annular clamping cavity, and the first coolant pipe 322 and the second coolant pipe 323 are used for the inlet and outlet of the coolant.

[0066] The crystallization assembly 33 includes a crystallization cover 331 and a compression spring 332. The crystallization cover 331 is arranged at a position corresponding to the water-cooled sleeve 321 inside the diversion pipeline 311. Both ends of the compression spring 332 are respectively connected to the crystallization cover 331 and the end cover 312. A support ring 333 is annularly arranged on the inner wall of the diversion pipeline 311, and the crystallization cover 331 abuts against the support ring 333.

[0067] As an optional implementation manner, the crystallization cover 331 is arranged as a cylindrical structure with both ends penetrating through; the inner diameter of the crystallization cover 331 gradually decreases along the direction close to the end cover 312, and the inclined inner side wall facilitates the crystallization of magnesium vapor.

[0068] The diversion pipe assembly 31 includes a vacuum communication pipe 315 and a vacuum bellows 316. The air inlet end of the vacuum communication pipe 315 is communicated with the diversion pipeline 311 and is located at the downstream position of the crystallization cover 331; the air outlet end of the vacuum communication pipe 315 is connected to the vacuum bellows 316. The vacuum bellows 316 has certain bending, telescoping, and eccentric functions. While the structure is flexible, it has good sealing performance and service life.

[0069] When evacuating, first make the crystallization chamber 13 form a closed chamber, and then perform the evacuation operation. The air in the crystallization chamber 13 is drawn out through the diversion pipeline 311, the crystallization cover 331, the vacuum communication pipe 315, and the vacuum bellows 316.

[0070] During this process, affected by the air pressure, the crystallization cover 331 will displace towards the direction close to the vacuum communication pipe 315 and squeeze the compression spring 332. After the vacuum pumping is completed, the crystallization cover 331 abuts against the support ring 333 under the action of the compression spring 332, preventing the crystallization cover 331 from blocking the intake end of the vacuum communication pipe 315 and ensuring the conduction of the pipeline.

[0071] As described above, only the specific embodiments of the present invention are provided, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A mold, characterized in that, The invention comprises a crystallizer body (1), a lifting crystallization device (2) and an auxiliary crystallization device (3), wherein the crystallizer body (1) comprises a crystallization cylinder, and a crystallization chamber (13) is arranged inside the crystallization cylinder (11), wherein: The lifting crystallization device (2) comprises a lifting component (21) and a crystallization disk component (22), wherein the crystallization disk component (22) is arranged in the crystallization chamber (13), and a lifting end of the lifting component (21) is arranged in the crystallization chamber (13) and connected to the crystallization disk component (22), and the lifting component (21) can drive the crystallization disk component (22) to lift; The auxiliary crystallization device (3) is arranged on the crystallizer body (1) and is located on the upper side of the crystallization disk assembly (22); the auxiliary crystallization device (3) is connected to the crystallization chamber (13); When in use, magnesium vapor enters the crystallization chamber (13) from the opening at the bottom end of the crystallization cylinder (11), flows to the crystallization disk assembly (22), and crystallizes at the bottom of the crystallization disk assembly (22). As the magnesium vapor continues to crystallize, the lifting assembly (21) drives the crystallization disk assembly (22) to rise. During this process, part of the magnesium vapor overflows from the gap between the crystallization disk assembly (22) and the inner wall of the crystallization cylinder (11) to the upper side of the crystallization disk assembly (22), and this part of the magnesium vapor enters the auxiliary crystallization device (3) and crystallizes on the auxiliary crystallization device (3); The lifting assembly (21) comprises a lifting tube (211) and a lifting drive device, wherein: the lifting tube (211) is slidably inserted in the crystallization chamber (13) and connected to the crystallization plate assembly (22); the lifting drive device is transmission-connected to the lifting tube (211) and can drive the lifting tube (211) to move up and down; The crystallization disk assembly (22) comprises a crystallization disk (221) and an isolation ring (222), wherein: the crystallization disk (221) is connected to the lifting tube (211), an installation chamber is provided inside the crystallization disk (221), the lifting tube (211) is connected to the installation chamber, a cooling coil (2211) is provided inside the installation chamber, the cooling coil (2211) is connected to a coolant inlet pipe (2212) and a coolant outlet pipe (2213), and the coolant The liquid inlet end of the liquid inlet pipe (2212) passes through the lifting pipe (211) and is connected to a liquid inlet joint (2214), and the liquid outlet end of the cooling liquid outlet pipe (2213) passes through the lifting pipe (211) and is connected to a liquid outlet joint (2215); the isolation ring (222) is sleeved on the crystallization plate (221), the isolation ring (222) is compatible with the crystallization chamber (13), and the temperature of the isolation ring (222) is higher than the temperature of the crystallization plate (221); The crystallizer includes a dynamic sealing device (6), and the dynamic sealing device (6) includes a sealing component (62) and a mounting component (61), where: The sealing component (62) includes a seal (621), an inner sealing ring (622), and an outer sealing ring (623). The seal (621) is detachably arranged at the top of the crystallizer body (1). The seal (621) is axially provided with a sliding cavity (6211). An installation groove (6212) is formed on the end face of the seal (621). The sliding cavity (6211) penetrates through the installation groove (6212). The inner sealing ring (622) is arranged in the installation groove (6212). An annular groove (6213) is arranged on the outer side of the seal (621). The outer sealing ring (623) is arranged in the annular groove (6213). The mounting component (61) includes a pressing end cover (611) and a sheath (612). The sliding cavity (6211) penetrates through the pressing end cover (611) and the sheath (612). The pressing end cover (611) is detachably connected to the seal (621). The sheath (612) is arranged between the seal (621) and the pressing end cover (611). The sheath (612) is inserted into the installation groove (6212) and abuts against the pressing end cover (611) and the inner sealing ring (622) at both ends respectively. The lifting pipe (211) passes through the sliding cavity (6211) and can slide along the sliding cavity (6211).

2. The mold according to claim 1, characterized in that, The crystallizer includes a heating element (4), and the heating element (4) is sleeved on the lower section of the crystallizer body (1).

3. The crystallizer according to claim 1, characterized in that, The crystallizer includes a support device (5), and the support device (5) includes a support frame (51) and lifting legs (52), where: The crystallizer body (1) is arranged on the support frame (51). The lifting legs (52) are arranged at the bottom of the support frame (51).

4. The crystallizer according to claim 1, wherein An electrode lead-out component (7) is arranged on the crystallizer body (1). The lifting crystallization device (2) includes a temperature measuring mechanism (23), where: The electrode lead-out component (7) is electrically connected to the temperature measuring mechanism (23). The temperature measuring mechanism (23) is connected to the crystallization disc (221) to detect the temperature of the crystallization disc (221).

5. The mold according to claim 1, characterized in that, The number of the inner sealing rings (622) is at least two, and a spacer ring (624) is arranged between two adjacent inner sealing rings (622). The two outermost inner sealing rings (622) respectively abut against the bottom of the installation groove (6212) and the sheath (612).

6. The mold according to claim 5, characterized in that, The auxiliary crystallization device (3) includes a diversion pipe component (31), a cooling component (32), and a crystallization component (33), where: The diversion tube assembly (31) includes a diversion pipeline (311) and an end cap (312). One end of the diversion pipeline (311) is arranged on the crystallizer body (1), and the end cap (312) is detachably arranged on the other end of the diversion pipeline (311); The cooling assembly (32) includes a water-cooled sleeve (321). The water-cooled sleeve (321) is sleeved on the diversion pipeline (311), and a first coolant pipe (322) and a second coolant pipe (323) are communicatively arranged on the water-cooled sleeve (321); The crystallization assembly (33) includes a crystallization cover (331) and a compression spring (332). The crystallization cover (331) is arranged at a position corresponding to the water-cooled sleeve (321) inside the diversion pipeline (311). Two ends of the compression spring (332) are respectively connected to the crystallization cover (331) and the end cap (312). A support ring (333) is annularly arranged on the inner wall of the diversion pipeline (311), and the crystallization cover (331) abuts against the support ring (333).

7. The crystallizer according to claim 6, characterized in that, The crystallization cover (331) is arranged as a cylindrical structure with both ends penetrating through; the inner diameter of the crystallization cover (331) gradually decreases along the direction close to the end cap (312); The diversion tube assembly (31) includes a vacuum communication pipe (315) and a vacuum bellows (316). The air inlet end of the vacuum communication pipe (315) is communicated with the diversion pipeline (311) and is located at a downstream position of the crystallization cover (331); the air outlet end of the vacuum communication pipe (315) is connected to the vacuum bellows (316).

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