Continuous crystallization and purification device for stearic acid
By introducing a stirring and sealing mechanism into the continuous crystallization purification device for stearic acid, the problem of scraping off adsorbents from the inner wall was solved, achieving uniform heating and efficient crystallization purification of stearic acid, thus improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing continuous crystallization purification equipment for stearic acid cannot effectively scrape off the raw material adsorbed on the inner wall of the heating furnace during the dissolution process, resulting in low production efficiency.
A stirring mechanism, including a drive motor, connecting rod, and scraper, was designed to stir and scrape off the raw material adsorbed on the inner wall during the heating process; and a sealing mechanism was used to adjust the distance between the heating furnace and the crystallization furnace so that the dissolved stearic acid could enter the crystallization furnace for crystallization.
This method achieves uniform heating and dissolution of stearic acid, avoids the impact of adsorbates on the inner wall on production quality, and improves the efficiency and quality of crystallization and purification.
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Figure CN224024302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stearic acid crystallization purification technical field especially, relates to a kind of stearic acid continuous crystallization purification device. BACKGROUND
[0002] Stearic acid continuous crystallization purification device is usually used in the separation and purification process of stearic acid, and its core principle is to heat raw materials to completely dissolved state, then gradually reduce the solution temperature through cooling system, stearic acid starts to crystallize under specific conditions, so as to separate impurities from stearic acid.
[0003] The existing stearic acid continuous crystallization purification device cannot scrape the raw materials adsorbed on the inner wall of the heating furnace when dissolving stearic acid, and cannot uniformly heat during the heating process, resulting in low efficiency in actual use.
[0004] Therefore, in view of the problem that the existing stearic acid continuous crystallization purification device cannot scrape the raw materials adsorbed on the inner wall of the heating furnace when dissolving stearic acid, the utility model is provided with a stirring mechanism, which stirs the raw materials during use, so that the raw materials are uniformly heated and dissolved, and the raw materials adsorbed on the inner wall of the heating furnace are scraped off, thereby avoiding reducing the production quality. UTILITY MODEL CONTENTS
[0005] In order to overcome the problem that the existing stearic acid continuous crystallization purification device cannot scrape the raw materials adsorbed on the inner wall of the heating furnace when dissolving stearic acid.
[0006] The technical scheme of the utility model is as follows: a stearic acid continuous crystallization purification device, comprising a heating furnace, a crystallization furnace and a second support column, the heating furnace is provided below the crystallization furnace, the heating furnace is connected above the stirring mechanism, the heating furnace is provided with an annular block at the side, the first support column is provided at equal angles at the lower end of the annular block, the discharge port is opened at the lower end of the heating furnace, the adjusting mechanism is provided at the side of the crystallization furnace, the plugging mechanism is provided inside the crystallization furnace, the plugging mechanism is provided below the heating furnace, and the second support column is provided at equal angles at the lower end of the crystallization furnace.
[0007] Preferably, the stirring mechanism comprises a support frame, a driving motor, a connecting rod, a first scraper and a second scraper, the heating furnace is provided with a support frame at the side, the driving motor is provided at the lower end of the support frame, the connecting rod is connected to the output shaft of the driving motor, the first scraper is connected at equal angles to the connecting column at the side of the connecting rod, the first stirring rod is provided at equal distances at the side of the first scraper, the second scraper is connected to the lower end of the first scraper, and the second stirring rod is provided at the side of the second scraper.
[0008] Preferably, the connecting rod is provided inside the heating furnace, and the first scraper and the second scraper are attached to the inner wall of the heating furnace.
[0009] As preferred, the adjusting mechanism comprises a support block, a shell, a sliding block, a slide rod, a first limiting pin and a second limiting pin, the support block is symmetrically arranged on the side of the crystallization furnace, the upper end of the support block is provided with the shell, the inner side of the shell is slidably provided with the sliding block, the upper end of the sliding block is connected with the slide rod, the side of the shell is threadedly connected with the first limiting pin, the slide rod is slidably connected with the support frame, and the side of the slide rod is slidably provided with the second limiting pin.
[0010] As preferred, the slide rod penetrates through the upper end of the shell, and the second limiting pin is slidably connected with the support frame.
[0011] As preferred, the blocking mechanism comprises a bottom plate, a clamping groove, a filter plate, a water outlet and a second blocking block, the bottom plate is connected to the lower end of the crystallization furnace, the upper end of the bottom plate is provided with the clamping groove, the clamping groove is clampedly connected with the filter plate, the upper end of the filter plate is provided with a connecting ring, the upper side of the filter plate is provided with a support rod, the upper end of the support rod is connected with a first blocking block, the first blocking block is clampedly connected with the discharge port, the lower end of the bottom plate is provided with the water outlet, and the lower end of the filter plate is provided with the second blocking block.
[0012] As preferred, the clamping groove is arranged on the inner side of the crystallization furnace, the diameters of the filter plate and the connecting ring are the same as the diameter of the inner side of the crystallization furnace, and the second blocking block is clampedly connected with the water outlet.
[0013] The beneficial effects of the present application are as follows:
[0014] 1. The stirring mechanism is arranged, and the stearic acid to be crystallized and purified is placed in the heating furnace for heating in the use process, so that the stearic acid is heated to a dissolved state, and the first scraper and the second scraper are driven to rotate by starting the driving motor, the raw materials adsorbed on the inner wall of the heating furnace are scraped off by the first scraper and the second scraper, so that the raw materials adsorbed on the inner wall of the heating furnace are avoided to affect the production quality.
[0015] 2. The blocking mechanism is arranged, and the distance between the heating furnace and the crystallization furnace is adjusted after the stearic acid is dissolved, the first blocking block loses the blocking of the discharge port in the adjusting process, then the dissolved stearic acid enters the inside of the crystallization furnace through the discharge port, then the stearic acid is cooled and crystallized through the crystallization furnace, the support rod is pulled to drive the filter plate and the connecting ring to rise after the crystallization is completed, so that the crystallization can be taken out, and the second blocking block loses the blocking of the water outlet in the rising process of the filter plate, so that the water is discharged. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The overall three-dimensional structure schematic view of the present application is shown.
[0017] Figure 2 The three-dimensional structure schematic view of the stirring mechanism of the present application is shown.
[0018] Figure 3 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view.
[0019] Figure 4 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view. Figure 3 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view.
[0020] Figure 5 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view.
[0021] Figure 6 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view.
[0022] Figure 7 The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view.
[0023] The adjustment mechanism of the utility model is shown in the three-dimensional structure schematic view. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The technical solutions of the utility model are provided as follows. Figures 1-7 The utility model provides a kind of technical scheme: a stearic acid continuous crystallization purification device, including heating furnace 1, crystallization furnace 2 and second support column 8, heating furnace 1 below is provided with crystallization furnace 2, heating furnace 1 upper side is connected with stirring mechanism 3, heating furnace 1 side is provided with annular block 4, annular block 4 lower end is provided with first support column 5 at equal angle, heating furnace 1 lower end is provided with discharge port 38, crystallization furnace 2 side is provided with adjustment mechanism 6, crystallization furnace 2 inner side is provided with plugging mechanism 7, plugging mechanism 7 is set in heating furnace 1 below, crystallization furnace 2 lower end is provided with second support column 8 at equal angle.
[0026] The stirring mechanism 3 comprises a support frame 31, a driving motor 32, a connecting rod 33, a first scraper 34 and a second scraper 36. The support frame 31 is arranged on the side of the heating furnace 1. The driving motor 32 is arranged at the lower end of the support frame 31. The connecting rod 33 is connected to the output shaft of the driving motor 32. The first scraper 34 is connected to the side of the connecting rod 33 at an equal angle through a connecting column. The first stirring rod 35 is arranged at an equal distance on the side of the first scraper 34. The second scraper 36 is connected to the lower end of the first scraper 34. The second stirring rod 37 is arranged on the side of the second scraper 36. The connecting rod 33 is arranged inside the heating furnace 1. The first scraper 34 and the second scraper 36 are attached to the inner wall of the heating furnace 1. The stearic acid to be crystallized and purified is placed in the heating furnace 1. Then the stearic acid is heated in the heating furnace 1 until it is dissolved. At the same time, the driving motor 32 is started to drive the connecting rod 33 to rotate. The first scraper 34 and the second scraper 36 are driven to rotate during the rotation of the connecting rod 33. The raw materials adsorbed on the inner wall of the heating furnace 1 are scraped off by the first scraper 34 and the second scraper 36, so as to avoid the raw materials adsorbed on the inner wall of the heating furnace 1 affecting the production quality.
[0027] The adjusting mechanism 6 comprises a support block 61, a shell 62, a sliding block 63, a sliding rod 64, a first limiting pin 65 and a second limiting pin 66. The support block 61 is symmetrically arranged on the side of the crystallization furnace 2. The shell 62 is arranged at the upper end of the support block 61. The sliding block 63 is slidably arranged inside the shell 62. The sliding rod 64 is connected to the upper end of the sliding block 63. The first limiting pin 65 is threadedly connected to the side of the shell 62. The sliding rod 64 is slidably connected to the support frame 31. The second limiting pin 66 is slidably arranged on the side of the sliding rod 64. The sliding rod 64 penetrates through the upper end of the shell 62. The second limiting pin 66 is slidably connected to the support frame 31. After the dissolution of the stearic acid is completed, the first limiting pin 65 is rotated. Then the heating furnace 1 is pushed up. The sliding block 63 and the sliding rod 64 slide inside the shell 62 during the upward movement of the heating furnace 1. Then the first limiting pin 65 is rotated again to limit the sliding block 63 and the sliding rod 64. In this way, the distance between the heating furnace 1 and the crystallization furnace 2 is adjusted.
[0028] The plugging mechanism 7 comprises a bottom plate 71, a clamping groove 72, a filter plate 73, a water outlet 77 and a second plugging block 78. The bottom plate 71 is connected to the lower end of the crystallization furnace 2. The clamping groove 72 is formed in the upper end of the bottom plate 71. The filter plate 73 is clamped and connected to the clamping groove 72. The connecting ring 74 is arranged at the upper end of the filter plate 73. The support rod 75 is arranged above the filter plate 73. The first plugging block 76 is connected to the upper end of the support rod 75. The first plugging block 76 is clamped and connected to the discharge port 38. The water outlet 77 is arranged at the lower end of the bottom plate 71. The second plugging block 78 is arranged at the lower end of the filter plate 73.
[0029] The card slot 72 is arranged inside the crystallization furnace 2, the diameter of the filter plate 73 and the connecting ring 74 is the same as the inside diameter of the crystallization furnace 2, the second blocking piece 78 is clamped and connected with the water outlet 77, the first blocking piece 76 loses the blocking of the discharge port 38 in the spacing adjustment process between the heating furnace 1 and the crystallization furnace 2, then the dissolved stearic acid enters the inside of the crystallization furnace 2 through the discharge port 38, then the stearic acid is cooled and crystallized in the crystallization furnace 2, after the crystallization is completed, the second limiting bolt 66 is removed, then the slide rod 64 can be separated from the supporting frame 31, so that the heating furnace 1 and the crystallization furnace 2 can be separated, then the supporting rod 75 is pulled to drive the filter plate 73 and the connecting ring 74 to rise, at the same time, the second blocking piece 78 loses the blocking of the water outlet 77, at this time, the sewage is discharged, and the stearic acid crystallization above the filter plate 73 can be washed, so as to improve the crystallization quality, and the repeated operation can continuously crystallize and purify the stearic acid.
[0030] Working principle: according to Figures 1-7 , first, the stearic acid to be crystallized and purified is put into the heating furnace 1, then the stearic acid is heated in the heating furnace 1 to make the stearic acid heated to a dissolved state, at the same time, the driving motor 32 is started to drive the connecting rod 33 to rotate, the connecting rod 33 drives the first scraper 34 and the second scraper 36 to rotate in the rotating process, the raw materials adsorbed on the inner wall of the heating furnace 1 are scraped off by the first scraper 34 and the second scraper 36, so as to avoid the raw materials adsorbed on the inner wall of the heating furnace 1 affecting the production quality, at the same time, the first stirring rod 35 and the second stirring rod 37 are driven to fully stir the stearic acid in the rotating process of the first scraper 34 and the second scraper 36, so as to drive the stearic acid to be fully heated and dissolved;
[0031] According to Figures 1-2 , after the stearic acid is dissolved, the first limiting bolt 65 is rotated, then the heating furnace 1 is pushed up, the slide block 63 and the slide rod 64 slide in the inside of the shell 62 in the process of the heating furnace 1 rising, then the first limiting bolt 65 is rotated again to limit the slide block 63 and the slide rod 64, so as to adjust the distance between the heating furnace 1 and the crystallization furnace 2;
[0032] According to Figures 3-4 , the first blocking piece 76 loses the blocking of the discharge port 38 in the spacing adjustment process between the heating furnace 1 and the crystallization furnace 2, then the dissolved stearic acid enters the inside of the crystallization furnace 2 through the discharge port 38, then the stearic acid is cooled and crystallized in the crystallization furnace 2, after the crystallization is completed, the second limiting bolt 66 is removed, then the slide rod 64 can be separated from the supporting frame 31, so that the heating furnace 1 and the crystallization furnace 2 can be separated, then the supporting rod 75 is pulled to drive the filter plate 73 and the connecting ring 74 to rise, at the same time, the second blocking piece 78 loses the blocking of the water outlet 77, at this time, the sewage is discharged, and the stearic acid crystallization above the filter plate 73 can be washed, so as to improve the crystallization quality, and the repeated operation can continuously crystallize and purify the stearic acid;
[0033] According to Figures 5-7 The driving motor 32, the heating furnace 1 and the crystallization furnace 2 are started after being connected with the external power supply through the power lines in the device, and the driving motor 32, the heating furnace 1 and the crystallization furnace 2 are known and existing technologies in the market, which are not described in detail here;
[0034] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the existing technology known to the professional technical personnel in the field.
[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A stearic acid continuous crystallization purification device, comprising a heating furnace (1), a crystallization furnace (2) and a second supporting column (8), characterized in that: The heating furnace (1) is provided below the crystallization furnace (2), the heating furnace (1) is connected above the stirring mechanism (3), the heating furnace (1) is provided with the annular block (4) on the side, the annular block (4) is provided with the first support column (5) at the equal angle of the lower end, the heating furnace (1) is provided with the discharge port (38) at the lower end, the crystallization furnace (2) is provided with the adjusting mechanism (6) on the side, the crystallization furnace (2) is provided with the sealing mechanism (7) on the inside, the sealing mechanism (7) is provided below the heating furnace (1), the crystallization furnace (2) is provided with the second support column (8) at the equal angle of the lower end.
2. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 1, wherein: The stirring mechanism (3) comprises a support frame (31), a drive motor (32), a connecting rod (33), a first scraper (34) and a second scraper (36), the heating furnace (1) is provided with the support frame (31) on the side, the support frame (31) is provided with the drive motor (32) at the lower end, the output shaft of the drive motor (32) is connected with the connecting rod (33), the connecting rod (33) is connected with the first scraper (34) at the equal angle through the connecting column on the side, the first scraper (34) is provided with the first stirring rod (35) at the equal distance on the side, the first scraper (34) is connected with the second scraper (36) at the lower end, and the second scraper (36) is provided with the second stirring rod (37) on the side.
3. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 2, wherein: The connecting rod (33) is arranged in the heating furnace (1), and the first scraper (34) and the second scraper (36) are attached to the inner wall of the heating furnace (1).
4. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 2, wherein: The adjusting mechanism (6) comprises a support block (61), a housing (62), a sliding block (63), a sliding rod (64), a first limiting pin (65) and a second limiting pin (66), the support block (61) is symmetrically arranged on the side of the crystallization furnace (2), the support block (61) is provided with the housing (62) at the upper end, the sliding block (63) is slidably arranged in the housing (62), the sliding rod (64) is connected to the upper end of the sliding block (63), the first limiting pin (65) is threadedly connected to the side of the housing (62), the sliding rod (64) is slidably connected to the support frame (31), and the second limiting pin (66) is slidably arranged on the side of the sliding rod (64).
5. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 4, wherein: The sliding rod (64) penetrates the upper end of the housing (62), and the second limiting pin (66) is slidably connected to the support frame (31).
6. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 1, wherein: The sealing mechanism (7) comprises a bottom plate (71), a clamping groove (72), a filter plate (73), a water outlet (77) and a second sealing block (78), the bottom plate (71) is connected to the lower end of the crystallization furnace (2), the clamping groove (72) is formed in the upper end of the bottom plate (71), the filter plate (73) is clamped and connected to the clamping groove (72), the connecting ring (74) is arranged on the upper end of the filter plate (73), the support rod (75) is arranged above the filter plate (73), the first sealing block (76) is connected to the upper end of the support rod (75), the first sealing block (76) is clamped and connected to the discharge port (38), the water outlet (77) is arranged at the lower end of the bottom plate (71), and the second sealing block (78) is arranged at the lower end of the filter plate (73).
7. A continuous crystallization and purification apparatus for stearic acid as claimed in claim 6, wherein: The card slot (72) is arranged inside the crystallization furnace (2), the diameter of the filter plate (73) and the connecting ring (74) is same as the diameter of the inside of the crystallization furnace (2), and the second blocking block (78) is clamped and connected with the water outlet (77).