Zinc sulfate crystallization chamber

Abstract

The utility model provides a zinc sulfate crystallization chamber, and relates to the technical field of chemical raw material production, the zinc sulfate crystallization chamber comprises a crystallization kettle body and a support frame for supporting and fixing the crystallization kettle body, and a first stirring part and a second stirring part are switched to an unfolded state through a switching mechanism; the driving device drives the first stirring part and the second stirring part to revolve so as to stir a crystallization solution, and the first stirring part and the second stirring part are switched to a contraction state through the switching mechanism, so that the first stirring part and the second stirring part are in contact with the inner wall of the crystallization kettle body; and then the driving device drives the first stirring part and the second stirring part to rotate, so that the inner wall of the crystallization kettle body can be cleaned, crystallization solutions in multiple aspects can be stirred, crystals on the inner wall of the crystallization kettle body can be scraped after crystallization is completed, and the efficiency of zinc sulfate crystallization is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical raw material production, in particular to a zinc sulfate crystallization chamber. Background Art

[0002] As a chemical raw material, zinc sulfate is generally produced by mixing raw materials, then replacing and removing impurities to obtain a solution, and then cooling, crystallizing, and dehydrating to obtain zinc sulfate products. Its products have a wide range of applications. For example, zinc sulfate heptahydrate is mostly used in soil improvement, rice planting, and mineral processing agents. In the normal production process of zinc sulfate, cooling saturated liquid crystallization is the process that takes the longest time and has the greatest impact on production capacity. Therefore, how to quickly and effectively promote crystallization is crucial to improving the production efficiency of zinc sulfate.

[0003] The stirring blades of the existing crystallization kettle are mostly radially distributed in one or more layers, and the stirring blades are basically rigid structures, which are easy to splash liquid, and the stirred liquid layer is small and not conducive to cooling, which directly affects the crystallization time. In addition, the crystals are very easy to adhere to the inner wall of the crystallization kettle, which makes it difficult to discharge the crystals after the crystallization is completed. Utility Model Content

[0004] The utility model aims to provide a zinc sulfate crystallization chamber, aiming to solve the problem that the stirring blades of the crystallization kettle in the prior art are mostly radially distributed in one or more layers, and the stirring blades are basically hard structures, which are easy to splash liquid, and the stirred liquid layer is small and not conducive to cooling, which directly affects the crystallization time. In addition, the crystals are very easy to adhere to the inner wall of the crystallization kettle, resulting in the problem that the crystals are not easy to be discharged after the crystallization is completed.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a zinc sulfate crystallization chamber, comprising a crystallization kettle body and a support frame for supporting and fixing the crystallization kettle body; a first stirring part and a second stirring part: both are arranged in the crystallization kettle body, and the first stirring part and the second stirring part have two states of expansion and contraction; the first stirring part comprises a first left stirring blade, a second left stirring blade, a third left stirring blade, a fourth left stirring blade, a fifth left stirring blade and a sixth left stirring blade arranged at equal distances, and the second left stirring blade, the third left stirring blade, the fourth left stirring blade and the fifth left stirring blade are all rotatably connected to the first left connecting rod on the side away from the second stirring blade, and two adjacent second stirring blades are connected to the first left connecting rod on the side away from the second stirring blade. The ends of the left connecting rods close to each other are hinged, the sixth left stirring blade and the side of the first left stirring blade close to the first left connecting rod are rotatably connected to the second left connecting rod, and the end of the second left connecting rod close to the first left connecting rod is hinged to the first left connecting rod, a first connecting shaft is rotatably connected in the crystallization kettle body, and the first left stirring blade, the second left stirring blade, the third left stirring blade, the fourth left stirring blade, the fifth left stirring blade and the sixth left stirring blade are rotatably connected to the surface of the first connecting shaft, the first left stirring blade, the second left stirring blade, the third left stirring blade, the fourth left stirring blade, the fifth left stirring blade and the sixth left stirring blade can be lifted and lowered along the length direction of the first connecting shaft, and the first The left stirring blade is fixedly connected to the inner bottom wall of the crystallization kettle body; the second stirring part includes a first right stirring blade, a second right stirring blade, a third right stirring blade, a fourth right stirring blade, a fifth right stirring blade and a sixth right stirring blade arranged at equal distances, the second right stirring blade, the third right stirring blade, the fourth right stirring blade and the fifth right stirring blade are rotatably connected to the first right connecting rod on one side away from the first stirring part, the ends of two adjacent first right connecting rods close to each other are hinged, the sixth right stirring blade and the side of the first right stirring blade close to the first right connecting rod are rotatably connected to the second right connecting rod, and the end of the second right connecting rod close to the first right connecting rod is hinged to the first right connecting rod, the crystallization kettle A second connecting shaft is rotatably connected in the body, and the first right stirring blade, the second right stirring blade, the third right stirring blade, the fourth right stirring blade and the fifth right stirring blade are rotatably connected to the surface of the second connecting shaft, the first right stirring blade, the second right stirring blade, the third right stirring blade, the fourth right stirring blade and the fifth right stirring blade can be raised and lowered along the length direction of the second connecting shaft, and the sixth right stirring blade is fixedly connected to the second connecting shaft; a switching mechanism: arranged in the body of the crystallization kettle, used for driving the first stirring part and the second stirring part to switch between the expanded and contracted states; a driving device: arranged in the body of the crystallization kettle, used for driving the first stirring part and the second stirring part to revolve.

[0006] A further technical solution of the utility model is that the first left stirring blade, the second left stirring blade, the third left stirring blade, the fourth left stirring blade, the fifth left stirring blade, the sixth left stirring blade, the first right stirring blade, the second right stirring blade, the third right stirring blade, the fourth right stirring blade, the fifth right stirring blade and the sixth right stirring blade are all composed of a sleeve, a scraper and a stirring plate, the sleeves are respectively sleeved on the surfaces of the first connecting shaft and the second connecting shaft, a sliding groove is opened in each sleeve, and a slider corresponding to the sliding groove is fixedly connected to the surfaces of the first connecting shaft and the second connecting shaft, and the slider is slidably connected in the sliding groove.

[0007] A further technical solution of the utility model is that the switching mechanism includes a first rotating driving member fixedly connected to the crystallization kettle body, the output end of the first rotating driving member is fixedly connected to a driving gear, a fixed plate is fixedly connected to the crystallization kettle body, and the driving gear is rotatably connected to the fixed plate, the top ends of the first connecting shaft and the second connecting shaft extend above the fixed plate, the top ends of the first connecting shaft and the second connecting shaft are fixedly connected to a driven gear, and the driven gear is meshed with the driving gear, a two-way threaded rod is rotatably connected in the fixed plate, and the top end of the two-way threaded rod is fixedly connected to the driving gear, the surface of the two-way threaded rod is threadedly connected to two symmetrical threaded tubes, the surfaces of the two threaded tubes are fixedly connected to connecting rod connecting plates, and the ends of the two connecting rod connecting plates away from the threaded tubes are fixedly connected to connecting rings, the two connecting rings are respectively sleeved on the surfaces of the first connecting shaft and the second connecting shaft, and the two connecting rings are respectively fixed below the second left stirring blade and above the fifth right stirring blade.

[0008] A further technical solution of the present invention is that the first rotating driving component is a servo motor.

[0009] A further technical solution of the utility model is that the driving device includes a second rotating driving member fixedly connected to the bottom surface of the crystallization kettle body, and the output end of the second rotating driving member extends into the crystallization kettle body, the output end of the second rotating driving member is fixedly connected to a rotating cylinder, and the top end of the rotating cylinder is rotatably connected to a fixed plate, the bottom end of the bidirectional threaded rod is rotatably connected to the inner bottom wall of the rotating cylinder, two symmetrical through grooves are provided on the surface of the rotating cylinder, and two connecting rod connecting plates are respectively slidably connected to the two through grooves.

[0010] A further technical solution of the present invention is that the second rotary drive component is a servo motor.

[0011] The beneficial effects of the utility model are:

[0012] When the crystallization solution needs to be stirred, the first stirring part and the second stirring part are switched to the expanded state through the switching mechanism, and the driving device drives the first stirring part and the second stirring part to revolve so as to stir the crystallization solution. When the inner wall of the crystallization kettle body needs to be cleaned, the first stirring part and the second stirring part are switched to the contracted state through the switching mechanism, so that the first stirring part and the second stirring part are in contact with the inner wall of the crystallization kettle body, and then the driving device drives the first stirring part and the second stirring part to rotate, so as to clean the inner wall of the crystallization kettle body. Not only can the crystallization solution be stirred in many aspects, but also the crystals on the inner wall of the crystallization kettle body can be scraped off after the crystallization is completed, thereby greatly improving the efficiency of zinc sulfate crystallization. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a stereogram in a specific embodiment of the utility model.

[0014] Figure 2 It is a partial structural cross-sectional view of the formal direction in a specific embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the first stirring part in a specific embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the second stirring part in a specific embodiment of the utility model.

[0017] Figure 5 In the specific embodiment of the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] Figure 6 It is a schematic diagram of the connection relationship between the first connecting shaft and the sleeve in a specific embodiment of the utility model.

[0019] In the figure: 1, crystallization kettle body; 2, support frame; 3, first stirring part; 31, first left stirring blade; 32, second left stirring blade; 33, third left stirring blade; 34, fourth left stirring blade; 35, fifth left stirring blade; 36, sixth left stirring blade; 37, first left connecting rod; 38, second left connecting rod; 39, first connecting shaft; 4, second stirring part; 41, first right stirring blade; 42, second right stirring blade; 43, third right stirring blade; 44, fourth right stirring blade; 45, fifth right stirring blade; agitating blade; 46, sixth right agitating blade; 47, first right connecting rod; 48, second right connecting rod; 49, second connecting shaft; 5, switching mechanism; 51, first rotating drive member; 52, driving gear; 53, driven gear; 55, bidirectional threaded rod; 56, threaded tube; 57, connecting plate; 58, connecting ring; 6, driving device; 61, second rotating drive member; 62, rotating cylinder; 63, through groove; 71, sleeve; 72, scraper; 73, stirring plate; 74, slide groove; 75, slider. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0021] like Figure 1-6As shown, a zinc sulfate crystallization chamber comprises a crystallization kettle body 1 and a support frame 2 for supporting and fixing the crystallization kettle body 1, a first stirring part 3 and a second stirring part 4 are arranged in the crystallization kettle body 1, and the first stirring part 3 and the second stirring part 4 have two states of expansion and contraction, the first stirring part 3 comprises a first left stirring blade 31, a second left stirring blade 32, a third left stirring blade 33, a fourth left stirring blade 34, a fifth left stirring blade 35 and a sixth left stirring blade 36 arranged at equal distances, the second left stirring blade 32, the third left stirring blade 33, the fourth left stirring blade 34 and the fifth left stirring blade 35 are rotatably connected to a first left connecting rod 37 on one side away from the second stirring part 4, the ends of two adjacent first left connecting rods 37 close to each other are hinged, the sixth left stirring blade 36 and the side of the first left stirring blade 31 close to the first left connecting rod 37 are rotatably connected to a second left connecting rod 38, and the end of the second left connecting rod 38 close to the first left connecting rod 37 is connected to the The first left connecting rod 37 is hinged, and the first connecting shaft 39 is rotatably connected in the crystallization kettle body 1, and the first left stirring blade 31, the second left stirring blade 32, the third left stirring blade 33, the fourth left stirring blade 34, the fifth left stirring blade 35 and the sixth left stirring blade 36 are rotatably connected to the surface of the first connecting shaft 39, and the first left stirring blade 31, the second left stirring blade 32, the third left stirring blade 33, the fourth left stirring blade 34, the fifth left stirring blade 35 and the sixth left stirring blade 36 can be lifted and lowered along the length direction of the first connecting shaft 39, and the first left stirring blade 31 is fixedly connected to the inner bottom wall of the crystallization kettle body 1, and when the second left stirring blade 32, the third left stirring blade 33, the fourth left stirring blade 34, the fifth left stirring blade 35 and the sixth left stirring blade 36 move, the first left stirring blade 31 and the second left stirring blade 32 are in contact, and at this time, it is in a contracted state, and when the first left stirring blade 31 and the second left stirring blade 32 are not in contact, it is in an expanded state;

[0022] The second stirring part 4 includes a first right stirring blade 41, a second right stirring blade 42, a third right stirring blade 43, a fourth right stirring blade 44, a fifth right stirring blade 45 and a sixth right stirring blade 46 arranged at an equal distance, the second right stirring blade 42, the third right stirring blade 43, the fourth right stirring blade 44 and the fifth right stirring blade 45 are rotatably connected to the first right connecting rod 47 on the side away from the first stirring part 3, and the ends of two adjacent first right connecting rods 47 close to each other are hinged, the sixth right stirring blade 46 and the side of the first right stirring blade 41 close to the first right connecting rod 47 are rotatably connected to the second right connecting rod 48, and the end of the second right connecting rod 48 close to the first right connecting rod 47 is hinged to the first right connecting rod 47, a second connecting shaft 49 is rotatably connected in the crystallization kettle body 1, and the first The right stirring blade 41, the second right stirring blade 42, the third right stirring blade 43, the fourth right stirring blade 44 and the fifth right stirring blade 45 are rotatably connected to the surface of the second connecting shaft 49, and the first right stirring blade 41, the second right stirring blade 42, the third right stirring blade 43, the fourth right stirring blade 44 and the fifth right stirring blade 45 can be lifted and lowered along the length direction of the second connecting shaft 49, and the sixth right stirring blade 46 is fixedly connected to the second connecting shaft 49. When the first right stirring blade 41, the second right stirring blade 42, the third right stirring blade 43, the fourth right stirring blade 44 and the fifth right stirring blade 45 move, when the fifth right stirring blade 45 contacts the sixth right stirring blade 46, it is in a contracted state at this time, and when the fifth right stirring blade 45 and the sixth right stirring blade 46 are not in contact, it is in an expanded state at this time;

[0023] The first left stirring blade 31, the second left stirring blade 32, the third left stirring blade 33, the fourth left stirring blade 34, the fifth left stirring blade 35, the sixth left stirring blade 36, the first right stirring blade 41, the second right stirring blade 42, the third right stirring blade 43, the fourth right stirring blade 44, the fifth right stirring blade 45 and the sixth right stirring blade 46 are all composed of a sleeve 71, a scraper 72 and a stirring plate 73, the sleeve 71 is respectively sleeved on the surface of the first connecting shaft 39 and the second connecting shaft 49, each sleeve 71 is provided with a slide groove 74, the surface of the first connecting shaft 39 and the second connecting shaft 49 is fixedly connected with a slider 75 corresponding to the slide groove 74, and the slider 75 is slidably connected in the slide groove 74;

[0024] The first stirring part 3 and the second stirring part 4 can rotate around their own axes respectively, so as to adjust the angles of the stirring plate 73 and the scraper 72. At the same time, the first stirring part 3 and the second stirring part 4 can revolve around the axis of the crystallization kettle body 1. When the first stirring part 3 and the second stirring part 4 rotate until the scraper 72 contacts the inner wall of the crystallization kettle body 1, the first stirring part 3 and the second stirring part 4 are in a contracted state. At this time, the revolution of the first stirring part 3 and the second stirring part 4 can drive the scraper 72 to scrape off the crystals on the inner wall of the crystallization kettle body 1. When the first stirring part 3 and the second stirring part 4 rotate until the stirring plate 73 contacts the inner wall of the crystallization kettle body 1, the first stirring part 3 and the second stirring part 4 are in an expanded state. At this time, the revolution of the first stirring part 3 and the second stirring part 4 can stir the crystallization solution.

[0025] A switching mechanism 5 is provided in the crystallization kettle body 1, which is used to drive the first stirring part 3 and the second stirring part 4 to switch between the expanded and contracted states, so that the first stirring part 3 and the second stirring part 4 can be more conveniently switched between the two states. A driving device 6 is provided in the crystallization kettle body 1, which is used to drive the first stirring part 3 and the second stirring part 4 to rotate, so that the first stirring part 3 and the second stirring part 4 can more conveniently stir the crystallization solution and clean the inner wall of the crystallization kettle body 1.

[0026] like Figure 2 and Figure 5As shown, the switching mechanism 5 includes a first rotating driving member 51 fixedly connected to the crystallization kettle body 1, the first rotating driving member 51 is a servo motor, the output end of the first rotating driving member 51 is fixedly connected to a driving gear 52, a fixed plate is fixedly connected to the crystallization kettle body 1, and the driving gear 52 is rotatably connected to the fixed plate, the top ends of the first connecting shaft 39 and the second connecting shaft 49 extend above the fixed plate, the top ends of the first connecting shaft 39 and the second connecting shaft 49 are fixedly connected to a driven gear 53, and the driven gear 53 is meshed with the driving gear 52, a bidirectional threaded rod 55 is rotatably connected in the fixed plate, and the top end of the bidirectional threaded rod 55 is fixedly connected to the driving gear 52, the surface of the bidirectional threaded rod 55 is threadedly connected to two symmetrical threaded tubes 56, the surfaces of the two threaded tubes 56 are fixedly connected to connecting rod connecting plates 57, the ends of the two connecting rod connecting plates 57 away from the threaded tubes 56 are fixedly connected to connecting rings 58, and the two connecting rings 58 are respectively sleeved on the first connecting shaft 39 and the second The surface of the connecting shaft 49, and the two connecting rings 58 are respectively fixed below the second left stirring blade 32 and above the fifth right stirring blade 45. When the first rotating driving member 51 is started, the output end rotation of the first rotating driving member 51 will drive the driving gear 52 to rotate, and then the driving gear 52 can drive the two driven gears 53 to rotate, and then the two driven gears 53 can respectively drive the first connecting shaft 39 and the second connecting shaft 49 to rotate, so as to drive the first stirring part 3 and the second stirring part 4 to rotate. When the driving gear 52 rotates, it will also drive the two-way threaded rod 55 to rotate, and then the two-way threaded rod 55 can drive the two threaded tubes 56 to move toward or away from each other. The movement of the threaded tube 56 can drive the second left stirring blade 32 and the fifth right stirring blade 45 to rise and fall respectively through the connecting rod connecting plate 57 and the connecting ring 58, so that the first stirring part 3 and the second stirring part 4 can be more conveniently switched between the expanded and contracted states.

[0027] like Figure 2 and Figure 5As shown, the driving device 6 includes a second rotating driving member 61 fixedly connected to the bottom surface of the crystallization kettle body 1, and the output end of the second rotating driving member 61 extends into the crystallization kettle body 1, the second rotating driving member 61 is a servo motor, and the output end of the second rotating driving member 61 is fixedly connected to a rotating cylinder 62, and the top of the rotating cylinder 62 is rotatably connected to the fixed plate, and the bottom end of the two-way threaded rod 55 is rotatably connected to the inner bottom wall of the rotating cylinder 62, and two symmetrical through grooves 63 are provided on the surface of the rotating cylinder 62, and two connecting rod connecting plates 57 are respectively slidably connected to the two through grooves 63, when the second rotating driving member 61 is started, the output end of the second rotating driving member 61 can drive the rotating cylinder 62 to rotate, and then the rotation of the rotating cylinder 62 can drive the two connecting rod connecting plates 57 to rotate, so that the first stirring part 3 and the second stirring part 4 can be driven to revolve more conveniently to stir the crystallization solution.

[0028] Working principle: when the crystallization solution needs to be stirred, the switching mechanism 5 is first started, and the first stirring part 3 and the second stirring part 4 are switched to the expanded state through the switching mechanism 5, and then the driving device 6 is started, so that the driving device 6 drives the first stirring part 3 and the second stirring part 4 to revolve, so that the crystallization solution can be stirred. When the inner wall of the crystallization kettle body 1 needs to be cleaned, the first stirring part 3 and the second stirring part 4 are switched to the contracted state through the switching mechanism 5, so that the first stirring part 3 and the second stirring part 4 are in contact with the inner wall of the crystallization kettle body 1, and then the driving device 6 drives the first stirring part 3 and the second stirring part 4 to rotate, so that the inner wall of the crystallization kettle body 1 can be cleaned, not only can the crystallization solution be stirred in many aspects, but also the crystals on the inner wall of the crystallization kettle body 1 can be scraped off after the crystallization is completed, thereby greatly improving the efficiency of zinc sulfate crystallization.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A zinc sulfate crystallization chamber, characterized in that: It comprises a crystallization kettle body (1) and a support frame (2) for supporting and fixing the crystallization kettle body (1); The first stirring part (3) and the second stirring part (4): both are arranged in the crystallization kettle body (1), and the first stirring part (3) and the second stirring part (4) have two states: expanded and contracted; The first stirring portion (3) comprises a first left stirring blade (31), a second left stirring blade (32), a third left stirring blade (33), a fourth left stirring blade (34), a fifth left stirring blade (35) and a sixth left stirring blade (36) which are arranged at equal distances; the second left stirring blade (32), the third left stirring blade (33), the fourth left stirring blade (34) and the fifth left stirring blade (35) are rotatably connected to a first left connecting rod (37) at one side away from the second stirring portion (4); two adjacent first left connecting rods (37) are hinged at one end thereof which is close to each other; the sixth left stirring blade (36) and the first left stirring blade (31) are rotatably connected to a second left connecting rod (38) at one side which is close to the first left connecting rod (37); and the second left connecting rod (38) is close to the first left stirring blade (31). One end of the connecting rod (37) is hinged to the first left connecting rod (37); a first connecting shaft (39) is rotatably connected inside the crystallization kettle body (1); and a first left stirring blade (31), a second left stirring blade (32), a third left stirring blade (33), a fourth left stirring blade (34), a fifth left stirring blade (35) and a sixth left stirring blade (36) are rotatably connected to the surface of the first connecting shaft (39); the first left stirring blade (31), the second left stirring blade (32), the third left stirring blade (33), the fourth left stirring blade (34), the fifth left stirring blade (35) and the sixth left stirring blade (36) can be raised and lowered along the length direction of the first connecting shaft (39); and the first left stirring blade (31) is fixedly connected to the inner bottom wall of the crystallization kettle body (1); The second stirring portion (4) comprises a first right stirring blade (41), a second right stirring blade (42), a third right stirring blade (43), a fourth right stirring blade (44), a fifth right stirring blade (45) and a sixth right stirring blade (46) which are arranged at equal distances; the second right stirring blade (42), the third right stirring blade (43), the fourth right stirring blade (44) and the fifth right stirring blade (45) are rotatably connected to a first right connecting rod (47) at one side away from the first stirring portion (3); two adjacent first right connecting rods (47) are hinged at their ends close to each other; the sixth right stirring blade (46) and the first right stirring blade (41) are rotatably connected to a second right connecting rod (48) at one side close to the first right connecting rod (47); and the second One end of the right connecting rod (48) close to the first right connecting rod (47) is hinged to the first right connecting rod (47); a second connecting shaft (49) is rotatably connected inside the crystallization kettle body (1); and the first right stirring blade (41), the second right stirring blade (42), the third right stirring blade (43), the fourth right stirring blade (44) and the fifth right stirring blade (45) are rotatably connected to the surface of the second connecting shaft (49); the first right stirring blade (41), the second right stirring blade (42), the third right stirring blade (43), the fourth right stirring blade (44) and the fifth right stirring blade (45) can be raised and lowered along the length direction of the second connecting shaft (49); and the sixth right stirring blade (46) is fixedly connected to the second connecting shaft (49); A switching mechanism (5) is arranged in the crystallization kettle body (1) and is used to drive the first stirring part (3) and the second stirring part (4) to switch between the expanded state and the contracted state; A driving device (6) is arranged in the crystallization kettle body (1) and is used to drive the first stirring part (3) and the second stirring part (4) to revolve.

2. A zinc sulfate crystallization chamber according to claim 1, characterized in that: The first left stirring blade (31), the second left stirring blade (32), the third left stirring blade (33), the fourth left stirring blade (34), the fifth left stirring blade (35), the sixth left stirring blade (36), the first right stirring blade (41), the second right stirring blade (42), the third right stirring blade (43), the fourth right stirring blade (44), the fifth right stirring blade (45) and the sixth right stirring blade (46) are all composed of a sleeve (71), a scraper (72) and a stirring plate (73); the sleeve (71) is respectively sleeved on the surface of the first connecting shaft (39) and the second connecting shaft (49); a sliding groove (74) is provided in each sleeve (71); a sliding block (75) corresponding to the sliding groove (74) is fixedly connected to the surface of the first connecting shaft (39) and the second connecting shaft (49), and the sliding block (75) is slidably connected in the sliding groove (74).

3. A zinc sulfate crystallization chamber according to claim 2, characterized in that: The switching mechanism (5) comprises a first rotating driving member (51) fixedly connected to the crystallization kettle body (1); the output end of the first rotating driving member (51) is fixedly connected to a driving gear (52); a fixed plate is fixedly connected to the crystallization kettle body (1), and the driving gear (52) is rotatably connected to the fixed plate; the top ends of the first connecting shaft (39) and the second connecting shaft (49) extend above the fixed plate; the top ends of the first connecting shaft (39) and the second connecting shaft (49) are fixedly connected to a driven gear (53), and the driven gear (53) meshes with the driving gear (52); a bidirectional threaded rod is rotatably connected to the fixed plate (55), and the top end of the bidirectional threaded rod (55) is fixedly connected to the driving gear (52), the surface of the bidirectional threaded rod (55) is threadedly connected to two symmetrical threaded tubes (56), the surfaces of the two threaded tubes (56) are fixedly connected to connecting rod connecting plates (57), the ends of the two connecting rod connecting plates (57) away from the threaded tubes (56) are fixedly connected to connecting rings (58), the two connecting rings (58) are respectively sleeved on the surfaces of the first connecting shaft (39) and the second connecting shaft (49), and the two connecting rings (58) are respectively fixed below the second left stirring blade (32) and above the fifth right stirring blade (45).

4. A zinc sulfate crystallization chamber according to claim 3, characterized in that: The first rotating driving component (51) is a servo motor.

5. A zinc sulfate crystallization chamber according to claim 1, characterized in that: The driving device (6) comprises a second rotating driving member (61) fixedly connected to the bottom surface of the crystallization kettle body (1), and the output end of the second rotating driving member (61) extends into the crystallization kettle body (1), the output end of the second rotating driving member (61) is fixedly connected to a rotating cylinder (62), and the top end of the rotating cylinder (62) is rotatably connected to a fixed plate, the bottom end of the bidirectional threaded rod (55) is rotatably connected to the inner bottom wall of the rotating cylinder (62), the surface of the rotating cylinder (62) is provided with two symmetrical through grooves (63), and the two connecting rod connecting plates (57) are slidably connected to the two through grooves (63) respectively.

6. A zinc sulfate crystallization chamber according to claim 5, characterized in that: The second rotation driving member (61) is a servo motor.

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