Chemical crystalline particle drying equipment

Abstract

The invention relates to the technical field of particle crystallization, and discloses chemical crystallized particle drying equipment which comprises an annular shell, an upper clamping piece and a lower clamping piece are clamped into the upper portion and the lower portion of one section of the shell correspondingly, and an annular screening assembly and a material returning assembly are arranged in the shell; a plurality of driving motors are arranged on the inner ring and the outer ring between the screening assembly and the material returning assembly, elliptical gears are arranged at the output ends of the driving motors, the elliptical gears drive the upper screening assembly, the lower screening assembly and the material returning assembly to rotate reversely and vibrate up and down at the same time, and the drying speed of small-size crystals is higher; small-size crystals and large crystals are distinguished through vibration, the large crystals finish the whole drying path, and in the small crystal screening process, the large crystals are subjected to the air drying effect, can be rapidly dried and can be rapidly conveyed into drying equipment to be separated, so that the drying efficiency of the equipment is improved. Large crystals are loosened in the vibration process, and the caking state is relieved.

Description

Technical Field

[0001] The invention relates to the technical field of particle crystallization, in particular to chemical crystal particle drying equipment. Background Art

[0002] Crystallization refers to the process in which a hot saturated solution is cooled and the solute becomes supersaturated due to reduced solubility, causing the solute to precipitate in the form of crystals. During this process, the surface of the precipitated crystals is still wet. When processing this part of the crystals, appropriate drying technology is required to quickly dry the wet crystal particles.

[0003] Chinese patent CN118168310B discloses a crystalline chemical particle drying system, including a hot air furnace, a bracket is fixedly connected to the outer surface of the upper end of the hot air furnace, a feed pipe is fixedly connected to the outer surface of the upper end of the bracket, a feed assembly is arranged inside the feed pipe, the feed assembly is used to push the moist chemical particles to feed smoothly, and a circulation assembly is arranged on the upper side of the feed pipe. By setting the circulation assembly, the hot air flow can synchronously transport the chemical particles during the flow process, and the chemical particles can be dried by the heat of the hot air flow by fully contacting with the hot air flow during the transportation process, and the chemical particles will collide with the inner wall of the feeding pipeline during the operation, so as to loosen and break the agglomerated chemical particles, and the drying efficiency of the chemical particles can be effectively improved by increasing the contact area between the chemical particles and the hot air.

[0004] Several other patents, including the above-mentioned patent, do not take into account the differences in the sizes of crystal particles when drying the crystals. The drying efficiency of large-sized crystals is low, while the drying efficiency of small-sized crystals is high. The entire drying process does not distinguish between large and small-sized crystals, resulting in that during the drying process, the small-sized dried crystals will follow the large crystals that have not yet been dried to complete the entire drying path, resulting in limited drying efficiency. For this reason, a chemical crystal particle drying equipment is proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a chemical crystal particle drying device, which has advantages and solves the problems.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a chemical crystal particle drying equipment, comprising an annular shell, one section of which is respectively clamped with an upper clamp and a lower clamp, an annular screening assembly and a return assembly are arranged inside the shell, and the inner and outer rings between the screening assembly and the return assembly are provided with a plurality of driving motors, and an elliptical gear is arranged on the output end of the driving motor, and the elliptical gear drives the upper and lower screening assemblies and the return assembly to rotate in opposite directions while vibrating up and down, the upper clamp supplies material to the screening assembly, and the lower clamp returns material from the return assembly, a plurality of fixing assemblies are respectively arranged on the inner and outer sides of the shell and are connected to the screening assembly and the return assembly, and an air outlet is arranged at the bottom end of the shell to air-dry the materials on the screening assembly and the return assembly.

[0007] Preferably, the screening assembly includes two circular first connecting members, a screen is arranged between the two first connecting members, the edge of the screen is a first guide ring, and the first guide ring is embedded in the first connecting member and rotatably connected thereto, and the first guide ring is provided with teeth that mesh with the elliptical gear.

[0008] Preferably, the recycling assembly includes two circular second connecting members, a recycling net is arranged between the two second connecting members, the edge of the recycling net is a second guide ring, and the second guide ring is embedded in the first connecting member and rotatably connected thereto, and the second guide ring is provided with teeth that mesh with the elliptical gear.

[0009] Preferably, the first connecting member is provided with an extension plate extending upward and fitting above the inner wall of the guide ring, the second connecting member is provided with another extension plate extending downward and fitting below the inner wall of the guide ring, and the first connecting member and the second connecting member are respectively provided with a first partition plate and a second partition plate extending toward each other, the first partition plate and the second partition plate are in a fitting state, and when the screening assembly and the return material assembly are in the maximum separation state, the second partition plate and the first partition plate are still in a fitting state.

[0010] Preferably, the shell includes a main body guide ring and side cavities arranged on the inner and outer rings of the guide ring, and the fixing components are respectively provided with several side cavities of the inner and outer rings, and the fixing components include a pull strap and two fixing buckles arranged on each pull strap, the first connecting member is fixedly connected to the fixing buckle at the top, and the second connecting member is fixedly connected to the fixing buckle at the bottom.

[0011] Preferably, the drive motor is provided with several in the side cavities of the inner and outer rings, and when the elliptical gear is in a horizontal state, the pull belt pulls the first guide ring and the second guide ring on the upper and lower screening assemblies and the return material assembly to fit tightly with the elliptical gear.

[0012] Preferably, the upper clamping member comprises an upper engaging block on the main body, and a feeding pipe and a discharge port are respectively provided on the upper engaging block, and the discharge port is located at one side of the upper engaging block and docked with the first connecting member.

[0013] Preferably, a sipping plate is provided on the other side of the upper engaging block, a plurality of pressure wheels are provided at the bottom of the sipping plate, a plurality of insertion rods are provided on the sipping plate and inserted into the upper engaging block, and a spring is provided outside the insertion rods, and the pressure wheels are in contact with the screen.

[0014] Preferably, the lower clamping member includes a lower engaging block of the main body, and the lower engaging block is provided with two push rods and two limit rods, and the push rods and the limit rods are rotatably connected to the recovery net, and the edge portion of the recovery net is provided with a magnetic sheet that is magnetically connected to the second guide ring.

[0015] Preferably, a scraper is provided in the lower engaging block to fit the recovery net separated from the second guide ring portion.

[0016] Compared with the prior art, the present invention provides a chemical crystal particle drying device, which has the following beneficial effects: 1. Small-sized crystals have a higher drying speed. During the entire process, small-sized crystals are distinguished from large crystals by vibration. Large crystals complete the entire drying path. During the screening process, small crystals are air-dried and can be dried quickly. They are quickly sent to the drying equipment to increase the drying efficiency of the equipment. 2. During the vibration process, large crystals are loosened and released from the agglomeration state, and are thrown upwards to increase the air drying efficiency. At the same time, small particles that have contacted the agglomeration fall from the screen to the bottom. Larger agglomerated crystals vibrate longer and fall into the recovery net below later, and will have a longer travel path on the recovery net below to avoid the part of the agglomeration being dried, thus obtaining a good drying effect; 3. When the large monomer crystals reach the final path of the screen, they are crushed by the pressure wheel above and fall into the recovery net below to obtain particle crystals that meet the standard size, avoiding the situation where large particle crystals are inconvenient for later processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of a chemical crystal particle drying device of the present invention; Figure 2 It is a schematic diagram of a part of the internal structure of a chemical crystal particle drying device of the present invention; Figure 3 This is a schematic diagram of a chemical crystal particle drying equipment housing, a screening component and a material return structure of the present invention; Figure 4 This is a schematic diagram of the working state structure of a driving motor of a chemical crystal particle drying device of the present invention; Figure 5 It is a schematic diagram of the connection structure of a screening component and a material return component of a chemical crystal particle drying equipment and upper and lower clamping parts of the present invention; Figure 6 This is a schematic diagram of the docking structure of a discharge port and a screening component of a chemical crystal particle drying device of the present invention; Figure 7 It is a structural schematic diagram of a sipping plate and a pressing wheel of a chemical crystal particle drying device of the present invention; Figure 8 The present invention is a schematic diagram of the connection structure between a recovery net and a lower interlocking block of a chemical crystal particle drying device.

[0018] In the figure: 1, housing; 11, guide ring; 12, side cavity; 2. Upper clamping piece; 21. Upper engaging block; 22. Feeding pipe; 23. Sipping plate; 24. Discharging port; 25. Pressing wheel; 3. Lower clamping member; 31. Lower engaging block; 32. Ejector rod; 33. Limit rod; 34. Scraper; 4. Fixing assembly; 41. Drawstring; 42. Fixing buckle; 5. Screening assembly; 51. First connecting member; 52. Screen; 53. First guide ring; 54. First partition; 6. material return assembly; 61. second connecting piece; 62. recovery net; 63. second guide ring; 64. second partition; 7. Driving motor; 71. Elliptical gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, this application proposes a chemical crystal particle drying equipment. Example

[0021] like Figure 1-8As shown, a chemical crystal particle drying equipment comprises an annular shell 1, and an upper clamping member 2 and a lower clamping member 3 which are inserted into the shell 1, a screening assembly 5 and a return assembly 6 which rotate in opposite directions are arranged inside the shell 1, wherein the upper clamping member 2 supplies material to the screening assembly 5, and the lower clamping member 3 returns material from the return assembly 6, a driving motor 7 is arranged between the screening assembly 5 and the return assembly 6 to drive the two to rotate, and the output end of the driving motor 7 is an elliptical gear 71, which drives the screening assembly 5 and the return assembly 6 to rotate in opposite directions while causing the two to fluctuate up and down, in addition, a plurality of fixing assemblies 4 which are connected to the screening assembly 5 and the return assembly 6 are arranged on the inner and outer sides of the shell 1, and an air outlet is arranged at the bottom end inside the shell 1 to air-dry the materials on the screening assembly 5 and the return assembly 6.

[0022] Both the screening component 5 and the return component 6 are provided with a screening structure, wherein the mesh number of the screening component 5 is lower, and the mesh number of the screening component 6 is higher. The air outlet at the bottom of the shell 1 blows from bottom to top, passes through the return component 6 and then blows to the screening component 5, and the materials on the two are air-dried. During the air-drying process, the screening component 5 and the return component 6 vibrate and rotate, and the material is thrown upward, thereby increasing the air-drying efficiency and loosening and breaking some of the agglomerated crystals. At the same time, the material on the screening component 5 is screened, wherein the large-particle crystalline material remains on the screening component 5, and the small-particle crystalline material falls on the return component 6, and after drying, the small-particle crystalline material that meets the standards is recovered by the lower clamping member 3. Example

[0023] For further information, see Figures 1 to 4As shown, the housing 1 includes a main body guide ring 11 and a side cavity 12 arranged on the inner and outer rings of the guide ring 11. The screening component 5 includes two circular first connecting members 51, a screen 52 is arranged between the two first connecting members 51, and the edge of the screen 52 is a first guide ring 53. The first guide ring 53 is embedded in the first connecting member 51 and is rotatably connected to the first connecting member 51. The first guide ring 53 is provided with a tooth pattern that meshes with the elliptical gear 71. The first connecting member 51 is provided with an extension plate extending upward and fitting above the inner wall of the guide ring 11, and a downward first partition plate 54. The return material component 6 is similar in structure to the screening component 5, and includes two circular A second connecting member 61 is provided between the two second connecting members 61, a recovery net 62 is provided between the two second connecting members 61, the edge of the recovery net 62 is a second guide ring 63, the second guide ring 63 is provided with a tooth pattern meshing with the elliptical gear 71, the second guide ring 63 is embedded in the second connecting member 61 and is rotatably connected with the second connecting member 61, the second connecting member 61 is provided with another extension plate extending downward and affixed to the lower side of the inner wall of the guide ring 11, and an upward second partition plate 64, the first partition plate 54 and the second partition plate 64 are in affixed state, and when the screening component 5 and the return material component 6 are in a maximum separation state, the second partition plate 64 and the first partition plate 54 are still in affixed state; Several fixing components 4 are respectively arranged on the side cavities 12 of the inner and outer rings. The fixing components 4 include a drawstring 41 and two fixing buckles 42 arranged on each drawstring 41. The two fixing buckles 42 are distributed above and below the drawstring 41. The upper fixing buckle 42 is used to fix the first connecting member 51, and the lower fixing buckle 42 is used to fix the second connecting member 61.

[0024] The driving motor 7 and the elliptical gear 71 are provided with several inner and outer rings of the side cavity 12. In the initial state, the elliptical gear 71 is in a horizontal state. Due to the action of the pull belt 41, the upper and lower first guide rings 53 and the second guide rings 63 are pulled to fit tightly with the elliptical gear 71. As the elliptical gear 71 rotates, while driving the upper and lower first guide rings 53 and the second guide rings 63 to rotate in the opposite direction, it will periodically push the first guide ring 53 and the second guide ring 63 upward and downward respectively, pushing the two in opposite directions to achieve the effect of driving the first guide ring 53 and the second guide ring 63 to vibrate. In further rotation, the elliptical gear 71 returns to a horizontal state, and the pull belt 41 pulls the upper and lower first guide rings 53 and the second guide ring 63 to continue to maintain a stable docking state with the elliptical gear 71.

[0025] When the upper clamping member 2 feeds material onto the screen 52, the crystal particles fall on the screen 52. As the elliptical gear 71 rotates, the material moves on the screen 52. As the screen 52 vibrates, the particles are thrown up and fall. The particles are dried by the fan inside the shell 1. Since the particles have different crystal sizes during the crystallization process, the larger crystals have more residual liquid on the surface and cannot fall quickly from the grid on the screen 52, so that the larger crystal particles can be treated longer on the screen 52 to achieve a better drying effect. The smaller particles will pass through the screen 52 faster than the larger particles and fall into the recovery net 62 below. Due to their smaller size, there is less residual liquid on the surface, and the air-drying effect is better. After being dried faster, they fall directly into the recovery net 62 below and are recycled.

[0026] Note that the recovery net 62 is also a mesh structure, but its permeable net is only for the passage of dry airflow, and small particle crystals falling on its surface cannot pass through, so that the small particle crystals, after passing through the screen 52, can be moved by the recovery net 62 and still be affected by the air drying effect. Example

[0027] For further information, see Figures 5 to 8 As shown, the upper clamping member 2 includes an upper main body engaging block 21, and the lower clamping member 3 includes a lower main body engaging block 31. The upper engaging block 21 and the lower engaging block 31 are similar in structure and are respectively embedded in the upper and lower sides of one section of the shell 1. The upper engaging block 21 is provided with a feeding pipe 22 and a discharge port 24. The discharge port 24 is located on one side of the upper engaging block 21 and docked with the first connecting member 51 to guide the crystal material transported in the feeding pipe 22 onto the screen 52. A sipping plate 23 is provided on the other side of the upper engaging block 21. A plurality of pressing wheels 25 are provided at the bottom of the sipping plate 23. A plurality of insertion rods are provided on the sipping plate 23 to be inserted into the upper engaging block 21. At the same time, a spring is provided outside the insertion rod to make the sipping plate 2 The pressing wheel 25 at the bottom of the sipping plate 23 is elastically connected to the upper engaging block 21, and rotates with the screen 52 during the rotation of the screen 52. Since the screen 52 rotates from the sipping plate 23 toward the discharge port 24, when the material on the screen 52 rotates to contact with the pressing wheel 25, the small crystal particles on the screen 52 have fallen from the screen 52 to the bottom, and the remaining particles are large crystal particles that cannot pass through the screen 52. At this time, the particles in contact with the pressing wheel 25 are large crystal particles. The pressing wheel 25 is subjected to the pressure of the upper spring to keep in contact with the surface of the screen 52. At the same time, when the screen 52 fluctuates up and down, the pressing wheel 25 is still in a docking state with the screen 52. Through the rotation of the screen 52, a plurality of pressing wheels 25 are driven to rotate together to crush the large crystal particles and make them fall onto the recovery net 62 below.

[0028] See also Figure 5 and Figure 8As shown, the lower interlocking block 31 is provided with symmetrical top rods 32 and limit rods 33, and the top rods 32 and the limit rods 33 are both rotatably connected to the recovery net 62. A magnetic sheet is provided on the edge portion of the recovery net 62 to be magnetically connected to the second guide ring 63. When the recovery net 62 rotates with the second guide ring 63 to contact with the lower clamping member 3, the limit rods 33 and the top rods 32 on one side guide the recovery net 62 to separate from the second guide ring 63. At the same time, since there is no fan here, the small particle crystals are stably on the surface of the recovery net 62. A scraper 34 is also provided in the lower interlocking block 31 to fit the recovery net 62 that has separated from the second guide ring 63, so as to guide and scrape the small particle crystals on the surface of the recovery net 62 into the lower interlocking block 31 and be collected. During the further rotation of the recovery net 62, the limit rods 33 and the limit rods 33 on the other side guide the recovery net 62 to rise to a state of re-fitting with the second guide ring 63, and then rotate together to resume work.

[0029] Since the second guide ring 63 and the first guide ring 53 rotate in opposite directions, the granular crystals that fall onto the recovery net 62 below after being crushed by the pressing wheel 25 need to travel a whole distance on the recovery net 62 before being collected. In the process of crushing large granular crystals, some powdery granular crystals will appear. The powdery granular crystals are separated from the small granular crystals by the dry airflow, and the broken large granular crystals will get a longer secondary drying distance to stably separate the powdery granular crystals.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical crystal particle drying device, comprising an annular housing (1), characterized in that: An upper clamping member (2) and a lower clamping member (3) are respectively inserted into one section of the shell (1) at the top and the bottom. An annular screening assembly (5) and a return assembly (6) are arranged inside the shell (1). A plurality of drive motors (7) are arranged on the inner and outer rings between the screening assembly (5) and the return assembly (6). An elliptical gear (71) is arranged on the output end of the drive motor (7). The elliptical gear (71) drives the upper and lower screening assemblies (5) and the return assembly (6) to rotate in opposite directions and vibrate up and down at the same time. The upper clamping member (2) supplies material to the screening assembly (5), and the lower clamping member (3) returns material from the return assembly (6). A plurality of fixing assemblies (4) are arranged on the inner and outer sides of the shell (1) and are connected to the screening assembly (5) and the return assembly (6). An air outlet is arranged at the bottom end of the shell (1) to air dry the material on the screening assembly (5) and the return assembly (6).

2. A chemical crystal particle drying equipment according to claim 1, characterized in that: The screening assembly (5) comprises two circular first connecting members (51), a screen (52) being arranged between the two first connecting members (51), a first guide ring (53) being provided at the edge of the screen (52), and the first guide ring (53) being embedded in the first connecting member (51) and rotatably connected thereto, and a tooth pattern is provided on the first guide ring (53) which is meshed with the elliptical gear (71).

3. A chemical crystal particle drying equipment according to claim 2, characterized in that: The material recycling assembly (6) comprises two circular second connecting members (61), a recycling net (62) is arranged between the two second connecting members (61), a second guide ring (63) is provided at the edge of the recycling net (62), and the second guide ring (63) is embedded in the first connecting member (51) and is rotatably connected thereto, and the second guide ring (63) is provided with tooth patterns that mesh with the elliptical gear (71).

4. A chemical crystal particle drying equipment according to claim 3, characterized in that: The first connecting member (51) is provided with an extension plate extending upward and fitting against the upper part of the inner wall of the guide ring (11), and the second connecting member (61) is provided with another extension plate extending downward and fitting against the lower part of the inner wall of the guide ring (11), and the first connecting member (51) and the second connecting member (61) are respectively provided with a first partition plate (54) and a second partition plate (64) extending towards each other, the first partition plate (54) and the second partition plate (64) are in a fitting state, and when the screening component (5) and the return material component (6) are in a maximum separation state, the second partition plate (64) and the first partition plate (54) are still in a fitting state.

5. The chemical crystal particle drying equipment according to claim 3, characterized in that: The shell (1) comprises a main body guide ring (11) and side cavities (12) arranged on the inner and outer rings of the guide ring (11); the fixing assembly (4) is provided with a plurality of side cavities (12) on the inner and outer rings, respectively; the fixing assembly (4) comprises a drawstring (41) and two fixing buckles (42) arranged on each drawstring (41); the first connecting member (51) is fixedly connected to the fixing buckle (42) located above, and the second connecting member (61) is fixedly connected to the fixing buckle (42) located below.

6. A chemical crystal particle drying equipment according to claim 3, characterized in that: The drive motor (7) is provided with a plurality of side cavities (12) of the inner and outer rings, respectively. When the elliptical gear (71) is in a horizontal state, the pull belt (41) pulls the first guide ring (53) and the second guide ring (63) on the upper and lower screening assemblies (5) and the return material assembly (6) to fit tightly with the elliptical gear (71).

7. The chemical crystal particle drying equipment according to claim 1, characterized in that: The upper clamping member (2) comprises an upper engaging block (21) on the main body, and a feeding pipe (22) and a discharge port (24) are respectively provided on the upper engaging block (21), and the discharge port (24) is located on one side of the upper engaging block (21) and is connected to the first connecting member (51).

8. A chemical crystal particle drying equipment according to claim 7, characterized in that: A sipping plate (23) is provided on the other side of the upper engaging block (21), and a plurality of pressing wheels (25) are provided at the bottom of the sipping plate (23). A plurality of insertion rods are provided on the sipping plate (23) and inserted into the upper engaging block (21), and springs are provided outside the insertion rods. The pressing wheels (25) are in contact with the screen (52).

9. The chemical crystal particle drying equipment according to claim 1, characterized in that: The lower clamping member (3) comprises a main body lower engaging block (31), on which two push rods (32) and two limit rods (33) are arranged, the push rods (32) and the limit rods (33) being rotatably connected to the recovery net (62), and a magnetic sheet is arranged on the edge of the recovery net (62) and is magnetically connected to the second guide ring (63).

10. A chemical crystal particle drying equipment according to claim 9, characterized in that: The lower engaging block (31) is provided with a scraper (34) which is attached to the recovery net (62) that is separated from the second guide ring (63).

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