Crystal separation device

Abstract

The utility model belongs to the technical field of separators, and particularly relates to a crystal separation device which comprises a separation tank body, the bottom of the separation tank body is fixedly connected with a motor; a discharge hole is formed in the bottom of the separation tank body; the inner side wall, away from the motor, of the separation tank body is fixedly connected with a first fixing ring; the interior of the first fixing ring is rotationally connected with a separation barrel; the transmission end of the motor is fixedly connected to the bottom of the separation barrel; a cover plate is arranged at the top of the separation tank body; filter cloth is arranged in the separation barrel; the interior of the separation barrel is fixedly connected with a rotating seat; in the step, a separation tank body, a motor, a discharge hole, a stirring rod, a cover plate, a separation barrel, a first fixed ring, filter cloth, a fixed shaft and a rotating seat are arranged, solid-liquid separation is performed on a mixture by utilizing centrifugation, and the stirring rod scatters cakes, so that the solid-liquid separation effect is improved, the residue of mother liquor is reduced, and the difficulty of crystal separation is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of separators, in particular to a crystal separation device. Background Art

[0002] Crystallization separation is a process in which a solid substance is precipitated from steam, solution or melt, and is an important method for obtaining solid products.

[0003] In pharmaceutical production, crystallization separation technology is widely used. When crystallizing and separating pharmaceuticals, there are generally processes such as extraction separation, high-pressure crystallization, and membrane separation technology. High-pressure crystallization is under high pressure, the melting point of the substance will drop to form crystals. In the existing crystallization separation technology, in the high-pressure crystallization process, the crystals are mixed with the mother liquor after precipitation. When the crystals are separated, the crystals agglomerate, making it more difficult to separate the mother liquor, which increases the difficulty of separation.

[0004] To this end, the utility model provides a crystal separation device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a crystallization separation device described in the utility model comprises a separation tank body; a motor is fixedly connected to the bottom of the separation tank body; a discharge port is arranged at the bottom of the separation tank body; a first fixing ring is fixedly connected to the inner side wall of the separation tank body away from the motor; a separation barrel is rotatably connected inside the first fixing ring; the driving end of the motor is fixedly connected to the bottom of the separation barrel; a cover plate is arranged at the top of the separation tank body; a filter cloth is arranged inside the separation barrel; a rotating seat is fixedly connected inside the separation barrel; a fixed shaft is rotatably matched in the middle of the rotating seat; a stirring rod is fixedly connected to the outer side wall of the fixed shaft; the stirring rods are arranged in multiple groups on the outer side wall of the fixed shaft and are symmetrically arranged; the top of the fixed shaft is clamped with the middle part of the cover plate; in this step, through the arrangement of the separation tank body, the motor, the discharge port, the stirring rod, the cover plate, the separation barrel, the first fixing ring, the filter cloth, the fixed shaft, and the rotating seat, the mixture is separated into solid and liquid by centrifugation, the stirring rod breaks up the agglomerates, the effect of solid-liquid separation is improved, the residue of mother liquor is reduced, and the difficulty of crystallization separation is reduced.

[0007] Preferably, a magnet is provided on the inner wall of the separation barrel; a fixing frame is fixedly connected to the middle of the inner wall of the separation tank body; a guide rod is provided in the middle of the fixing frame; a knocking ball is fixedly connected to the end of the guide rod close to the separation barrel; a first spring is sleeved on the outer wall of the guide rod away from the knocking ball; one end of the first spring is fixedly connected to the side of the fixing frame close to the separation tank body; the other end of the first spring is fixedly connected to the end of the guide rod away from the knocking ball; in this step, the crystals adhering to the separation barrel or the filter cloth are shaken off by the arrangement of the magnet, the fixing frame, the guide rod, the knocking ball and the first spring, thereby reducing the possibility of crystal agglomeration, reducing the difficulty of crystal separation, and improving the cleanliness of the filter cloth surface.

[0008] Preferably, a heating rod is fixedly connected to the outer wall of the fixed shaft away from the stirring rod; the heating rods are arranged in multiple groups on the outer wall of the fixed shaft and are evenly distributed on the outer wall of the fixed shaft; in this step, the mother liquor in the crystallization is evaporated through the arrangement of the heating rods, the dryness of the crystallization is improved, and the difficulty of crystal separation is reduced.

[0009] Preferably, the fixed shaft is fixedly connected to the outer wall of the heating rod near the fixed shaft with a support arm; a pair of the support arms are arranged on the outer wall of the fixed shaft and are symmetrically arranged; one end of the pair of support arms away from the fixed shaft is fixedly connected to a fixed plate; a scraper is arranged inside the fixed plate away from the support arm; the scraper slides inside the fixed plate; a second spring is fixedly connected inside the fixed plate; multiple groups of the second springs are arranged inside the fixed plate and are evenly distributed inside the fixed plate; the other ends of multiple groups of the second springs are fixedly connected to the side of the scraper near the support arm; in this step, the crystals on the surface of the filter cloth are scraped off by the arrangement of the support arm, the fixed plate, the scraper and the second spring, thereby improving the passability of the filter cloth during filtration, reducing the possibility of clogging of the filter cloth, and reducing the possibility of crystals agglomerating on the surface of the filter cloth.

[0010] Preferably, the scraper is fixedly connected to a positioning plate on the side near the support arm; a pair of positioning plates are arranged on the side of the scraper and are symmetrically arranged; the positioning plate slides inside the fixed plate and the support arm; this step, through the setting of the positioning plate, plays a guiding role when the scraper slides inside the fixed plate, thereby reducing the possibility of the scraper detaching from the fixed plate.

[0011] Preferably, the outer side wall of the separation tank body away from the cover plate is fixedly connected to a second fixing ring; the bottom of the second fixing ring is fixedly connected to a support leg; the support legs are arranged in multiple groups at the bottom of the second fixing ring and are evenly distributed at the bottom of the second fixing ring; in this step, the separation tank body is supported by the second fixing ring and the support legs, thereby reducing the possibility of the separation tank body tipping over and improving the stability of the separation tank body during operation.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The crystallization separation device described in the utility model, through the arrangement of a separation tank, a motor, a discharge port, a stirring rod, a cover plate, a separation barrel, a first fixed ring, a filter cloth, a fixed shaft, and a rotating seat, utilizes centrifugation to separate the mixture into solid and liquid, and the stirring rod breaks up the lumps, thereby improving the effect of solid-liquid separation, reducing the residual mother liquor, and reducing the difficulty of crystallization separation.

[0014] 2. The crystal separation device described in the utility model can shake off the crystals adhering to the separation barrel or the filter cloth through the arrangement of a magnet, a fixing frame, a guide rod, a knocking ball, and a first spring, thereby reducing the possibility of crystal agglomeration, reducing the difficulty of crystal separation, and improving the cleanliness of the filter cloth surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the stirring rod and the separation barrel in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the separation barrel and the first fixing ring in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the scraper and the fixed plate in the utility model;

[0020] In the figure: 1. separation tank; 11. motor; 12. discharge port; 13. stirring rod; 14. cover plate; 15. separation barrel; 16. first fixed ring; 17. filter cloth; 18. fixed shaft; 19. rotating seat; 2. magnet; 21. fixed frame; 22. guide rod; 23. knocking ball; 24. first spring; 3. heating rod; 4. support arm; 41. fixed plate; 42. scraper; 43. second spring; 5. positioning plate; 6. second fixed ring; 61. support leg. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 3As shown, a crystallization separation device described in an embodiment of the utility model comprises a separation tank body 1; a motor 11 is fixedly connected to the bottom of the separation tank body 1; a discharge port 12 is arranged at the bottom of the separation tank body 1; a first fixing ring 16 is fixedly connected to the inner side wall of the separation tank body 1 away from the motor 11; a separation barrel 15 is rotatably connected inside the first fixing ring 16; a driving end of the motor 11 is fixedly connected to the bottom of the separation barrel 15; a cover plate 14 is arranged on the top of the separation tank body 1; a filter cloth 17 is arranged inside the separation barrel 15; a rotating seat 19 is fixedly connected inside the separation barrel 15; a fixed shaft 18 is rotatably matched in the middle part of the rotating seat 19; a stirring rod 13 is fixedly connected to the outer side wall of the fixed shaft 18; a plurality of groups of stirring rods 13 are arranged on the outer side wall of the fixed shaft 18, and are symmetrically arranged; the fixed shaft The top of 18 is snap-fitted with the middle of the cover plate 14; during operation, the mixture of crystals and mother liquor is placed in the separation barrel 15, the cover plate 14 is covered, and the motor 11 is turned on. The rotation of the motor 11 drives the separation barrel 15 to rotate inside the separation tank body 1 and the first fixed ring 16, and the mixture is separated from the solid by the centrifugal force through the filter cloth 17 and the separation barrel 15, and the waste liquid is discharged through the discharge port 12. During separation, the agglomerated solids collide with the stirring rod 13 to break up the agglomerates; this step is carried out through the separation tank body 1, the motor 11, the discharge port 12, the stirring rod 13, the cover plate 14, the separation barrel 15, the first fixed ring 16, the filter cloth 17, the fixed shaft 18, and the rotating seat 19. The mixture is separated from the solid by the centrifugal force, and the stirring rod 13 breaks up the agglomerates, thereby improving the effect of solid-liquid separation, reducing the residual mother liquor, and reducing the difficulty of crystal separation.

[0023] like Figure 2As shown, a magnet 2 is provided on the inner wall of the separation barrel 15; a fixing frame 21 is fixedly connected to the middle of the inner wall of the separation tank body 1; a guide rod 22 is provided in the middle of the fixing frame 21; a knocking ball 23 is fixedly connected to the end of the guide rod 22 close to the separation barrel 15; a first spring 24 is sleeved on the outer wall of the guide rod 22 away from the knocking ball 23; one end of the first spring 24 is fixedly connected to the side of the fixing frame 21 close to the separation tank body 1; the other end of the first spring 24 is fixedly connected to the end of the guide rod 22 away from the knocking ball 23; during operation, when the separation barrel 15 rotates, the magnet 2 is driven to rotate, and when the magnet 2 is close to the knocking ball 23, the magnet 2 The knocking ball 23 is attracted to approach the separation barrel 15 and knock on the outer wall of the separation barrel 15. The knocking ball 23 approaches the separation barrel 15, drives the guide rod 22 to approach the separation barrel 15 and compresses the first spring 24, and shakes off the crystals adhering to the separation barrel 15 or the filter cloth 17. When the magnet 2 is away from the knocking ball 23, the first spring 24 drives the guide rod 22 and the knocking ball 23 to reset; this step shakes off the crystals adhering to the separation barrel 15 or the filter cloth 17 through the arrangement of the magnet 2, the fixing frame 21, the guide rod 22, the knocking ball 23, and the first spring 24, thereby reducing the possibility of crystal agglomeration, reducing the difficulty of crystal separation, and improving the cleanliness of the surface of the filter cloth 17.

[0024] like Figures 2 to 3 As shown, the outer wall of the fixed shaft 18 away from the stirring rod 13 is fixedly connected with a heating rod 3; the heating rods 3 are arranged in multiple groups on the outer wall of the fixed shaft 18 and are evenly distributed on the outer wall of the fixed shaft 18; during operation, during crystallization separation, the heating rods 3 are connected to an external power supply to heat the separation tank 1 to evaporate the mother liquor in the crystal; in this step, the mother liquor in the crystal is evaporated by the setting of the heating rods 3, the dryness of the crystal is improved, and the difficulty of crystallization separation is reduced.

[0025] like Figure 3 to Figure 4As shown, the outer wall of the fixed shaft 18 close to the heating rod 3 is fixedly connected with a support arm 4; a pair of the support arms 4 are arranged on the outer wall of the fixed shaft 18, and are symmetrically arranged; a fixed plate 41 is fixedly connected to one end of the pair of support arms 4 away from the fixed shaft 18; a scraper 42 is arranged inside the fixed plate 41 away from the support arm 4; the scraper 42 slides inside the fixed plate 41; a second spring 43 is fixedly connected inside the fixed plate 41; multiple groups of the second springs 43 are arranged inside the fixed plate 41, and are evenly distributed on the fixed plate 4 1; the other ends of the plurality of groups of the second springs 43 are fixedly connected to the side of the scraper 42 near the support arm 4; during operation, when the separation barrel 15 rotates, the scraper 42 is contacted with the filter cloth 17 by the top of the second spring 43, and the crystals on the surface of the filter cloth 17 are scraped off; in this step, the crystals on the surface of the filter cloth 17 are scraped off by the setting of the support arm 4, the fixed plate 41, the scraper 42, and the second spring 43, so as to improve the passability of the filter cloth 17 during filtration, reduce the possibility of clogging of the filter cloth 17, and reduce the possibility of crystals agglomerating on the surface of the filter cloth 17.

[0026] like Figure 4 As shown, the side of the scraper 42 close to the support arm 4 is fixedly connected with a positioning plate 5; a pair of positioning plates 5 are arranged on the side of the scraper 42, and are symmetrically arranged; the positioning plate 5 slides inside the fixed plate 41 and the support arm 4; during operation, when the scraper 42 slides inside the fixed plate 41, it drives the positioning plate 5 to slide inside the fixed plate 41 and the positioning plate 5, playing a guiding role; this step plays a guiding role when the scraper 42 slides inside the fixed plate 41 through the setting of the positioning plate 5, thereby reducing the possibility of the scraper 42 detaching from the fixed plate 41.

[0027] like Figure 1 to Figure 2 As shown, the outer side wall of the separation tank body 1 away from the cover plate 14 is fixedly connected to a second fixing ring 6; the bottom of the second fixing ring 6 is fixedly connected to a support leg 61; the support legs 61 are arranged in multiple groups at the bottom of the second fixing ring 6 and are evenly distributed at the bottom of the second fixing ring 6; during operation, the second fixing ring 6 and the support legs 61 play a role in supporting the separation tank body 1; this step supports the separation tank body 1 by setting the second fixing ring 6 and the support legs 61, reduces the possibility of the separation tank body 1 tipping over, and improves the stability of the separation tank body 1 during operation.

[0028] like Figure 2 As shown, the fixed shaft 18 rotates inside the rotating seat 19; during operation, the separation barrel 15 rotates and drives the rotating seat 19 to rotate, and the rotating seat 19 limits the fixed shaft 18, reducing the possibility of the fixed shaft 18 being offset.

[0029] During operation, the mixture of crystals and mother liquor is placed in the separation barrel 15, the cover plate 14 is closed, and the motor 11 is turned on. The motor 11 rotates to drive the separation barrel 15 to rotate inside the separation tank body 1 and the first fixed ring 16, and the mixture is separated into solid and liquid by centrifugation through the filter cloth 17 and the separation barrel 15, and the waste liquid is discharged through the discharge port 12. During separation, the agglomerated solid collides with the stirring rod 13 to break up the agglomerates; when the separation barrel 15 rotates, it drives the magnet 2 to rotate. When the magnet 2 approaches the knocking ball 23, the magnet 2 attracts the knocking ball 23 to approach the separation barrel 15 and knock on the outer wall of the separation barrel 15. The knocking ball 23 approaches the separation barrel 15, driving the guide rod 22 to the separation barrel 1 5 approaches and compresses the first spring 24, shaking off the crystals adhering to the separation barrel 15 or the filter cloth 17. When the magnet 2 moves away from the knocking ball 23, the first spring 24 drives the guide rod 22 and the knocking ball 23 to reset; during crystal separation, the heating rod 3 is connected to an external power supply to heat the separation tank body 1 to evaporate the mother liquid in the crystal; when the separation barrel 15 rotates, the scraper 42 is contacted with the filter cloth 17 by the top of the second spring 43, and the crystals on the surface of the filter cloth 17 are scraped off; when the scraper 42 slides inside the fixed plate 41, it drives the positioning plate 5 to slide inside the fixed plate 41 and the positioning plate 5, playing a guiding role; the second fixed ring 6 and the support leg 61 play a role in supporting the separation tank body 1.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A crystallization separation device, comprising a separation tank (1); characterized in that: The bottom of the separation tank body (1) is fixedly connected to a motor (11); the bottom of the separation tank body (1) is provided with a discharge port (12); the inner side wall of the separation tank body (1) away from the motor (11) is fixedly connected to a first fixing ring (16); the first fixing ring (16) is rotatably connected to a separation barrel (15); the driving end of the motor (11) is fixedly connected to the bottom of the separation barrel (15); the top of the separation tank body (1) is provided with a cover plate (14); the separation barrel (15) is provided with a filter cloth (17); the separation barrel (15) is fixedly connected to a rotating seat (19); the middle part of the rotating seat (19) is rotatably matched with a fixed shaft (18); the outer side wall of the fixed shaft (18) is fixedly connected to a stirring rod (13); a plurality of groups of the stirring rods (13) are arranged on the outer side wall of the fixed shaft (18) and are symmetrically arranged; the top of the fixed shaft (18) is clamped with the middle part of the cover plate (14).

2. A crystallization separation device according to claim 1, characterized in that: The inner wall of the separation barrel (15) is provided with a magnet (2); a fixing frame (21) is fixedly connected to the middle of the inner wall of the separation tank body (1); a guide rod (22) is provided in the middle of the fixing frame (21); an end of the guide rod (22) close to the separation barrel (15) is fixedly connected to a knocking ball (23); an outer wall of the guide rod (22) away from the knocking ball (23) is sleeved with a first spring (24); one end of the first spring (24) is fixedly connected to the side of the fixing frame (21) close to the separation tank body (1); and the other end of the first spring (24) is fixedly connected to an end of the guide rod (22) away from the knocking ball (23).

3. A crystallization separation device according to claim 2, characterized in that: The outer wall of the fixed shaft (18) away from the stirring rod (13) is fixedly connected with a heating rod (3); a plurality of groups of the heating rods (3) are arranged on the outer wall of the fixed shaft (18) and are evenly distributed on the outer wall of the fixed shaft (18).

4. A crystallization separation device according to claim 3, characterized in that: The fixed shaft (18) is fixedly connected to an outer wall of the heating rod (3) near the supporting arm (4); a pair of the supporting arms (4) are arranged on the outer wall of the fixed shaft (18) and are symmetrically arranged; one end of the pair of supporting arms (4) away from the fixed shaft (18) is fixedly connected to a fixing plate (41); a scraper (42) is arranged inside the fixing plate (41) away from the supporting arm (4); the scraper (42) slides inside the fixing plate (41); a second spring (43) is fixedly connected inside the fixing plate (41); a plurality of groups of the second springs (43) are arranged inside the fixing plate (41) and are evenly distributed inside the fixing plate (41); the other ends of the plurality of groups of the second springs (43) are fixedly connected to the side of the scraper (42) near the supporting arm (4).

5. A crystallization separation device according to claim 4, characterized in that: A positioning plate (5) is fixedly connected to the side of the scraper (42) close to the support arm (4); a pair of positioning plates (5) are arranged on the side of the scraper (42) and are symmetrically arranged; and the positioning plates (5) slide inside the fixed plate (41) and the support arm (4).

6. A crystallization separation device according to claim 5, characterized in that: A second fixing ring (6) is fixedly connected to the outer side wall of the separation tank body (1) away from the cover plate (14); a support leg (61) is fixedly connected to the bottom of the second fixing ring (6); a plurality of groups of the support legs (61) are arranged at the bottom of the second fixing ring (6) and are evenly distributed at the bottom of the second fixing ring (6).

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