Spray drying device of molecular sieve

Abstract

The utility model relates to the technical field of molecular sieve preparation, and discloses a molecular sieve spray drying device which comprises a material mixing barrel and a drying barrel arranged on one side of the material mixing barrel, a mixing assembly is arranged at the top of the material mixing barrel, a plugging disc is rotationally arranged at the bottom of the material mixing barrel, and a filter box is arranged at the bottom end of the material mixing barrel. Two filter plates are arranged in the filter box, a spraying assembly is arranged at the top of the drying cylinder, and a liquid molecular sieve in the filter box is conveyed to the spraying assembly through a conveying pump arranged on one side of the drying cylinder; a molecular sieve solution in the mixing barrel can be mixed through the arranged mixing structure, the molecular sieve solution is prevented from being stirred and mixed unevenly, the molecular sieve solution can be filtered through the filter plates arranged in the filter box, meanwhile, the two filter plates are arranged and can conduct filtering respectively, and the filtering efficiency is improved. And when impurities on the surface of the filter plate are cleaned, shutdown is not needed, and the subsequent molecular sieve drying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molecular sieve preparation, in particular to a spray drying device for molecular sieves. Background Technique

[0002] Due to its unique properties, molecular sieves have been widely used in the fields of adsorption separation, catalysis, etc. As an efficient adsorbent and catalyst, molecular sieves play an important role in the refining of petrochemical industry. The manufacturing process of molecular sieves usually includes several main processes such as synthesis, forming, and drying. The spray drying method is mostly used in the drying process of molecular sieves;

[0003] After retrieval, a spray drying device for molecular sieves disclosed in, for example, the application number 202320211621.9 belongs to the technical field of molecular sieve drying. It includes a drying tower. A rotary spray device is provided on the inner top wall of the drying tower. The spray device is communicated with a feed pipe, and the other end of the feed pipe is communicated with a feeding device. An annular air outlet ring is fixedly provided on the inner peripheral side wall of the drying tower. A hot air pipe is communicated with the air outlet ring, and the other end of the hot air pipe is communicated with a hot air device. A discharge port is provided at the lower end of the drying tower, and an air outlet pipe is communicated with the side wall of the drying tower. The other end of the air outlet pipe is communicated with a cyclone separator, and a purification device is communicated with the cyclone separator. It enables the molecular sieve mist particles to combine with the hot air flowing upward at the bottom of the drying tower more quickly and evenly, and then enables the misty molecular sieve to be quickly dried and formed, accelerating the forming speed of the misty molecular sieve and improving the drying efficiency of the molecular sieve;

[0004] However, the above method still has the following defects in actual use: A mixing structure is not provided inside the feeding device, resulting in uneven solid-liquid stirring and mixing of the molecular sieve solution, and it is not convenient to filter the mixed molecular sieve solution, affecting the subsequent drying effect of the molecular sieve. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a spray drying device for molecular sieves, which has the effects of uniform mixing of the molecular sieve solution and being able to filter the mixed molecular sieve solution.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: A spray drying device for molecular sieves includes a mixing cylinder and a drying cylinder arranged on one side of it. A mixing component is provided at the top of the mixing cylinder. A sealing plate is rotatably provided at the bottom of the mixing cylinder. A filtering box is provided at the bottom end of the mixing cylinder. Two filter plates are provided inside the filtering box. A spray component is provided at the top of the drying cylinder, and the liquid molecular sieve inside the filtering box is transported to the spray component through a feed pump arranged on one side of the drying cylinder. An annular air outlet pipe is provided at the bottom of the drying cylinder, and an inclined air outlet head is provided at the top of the air outlet pipe.

[0007] A further setting of the utility model is that a first cylinder cover is provided at the top of the mixing cylinder, and a feeding pipe is provided at one side of the top of the first cylinder cover.

[0008] A further setting of the utility model is that the mixing assembly includes a rotating shaft and a first driving motor. The rotating shaft is rotatably connected to the middle of the first cylinder cover. A first driven gear is provided at the top of the rotating shaft. Mixing rods are provided on the surface of the rotating shaft. A bottom-lifting frame that fits the top of the sealing disc is provided at the bottom of the rotating shaft. The first driving motor is arranged at the top of the first motor frame. A first driving gear meshed with the first driven gear is provided on the transmission shaft of the first driving motor.

[0009] A further setting of the utility model is that a rotating groove corresponding to the sealing disc is provided at the bottom of one side of the mixing cylinder. A limiting seat is provided on one side of the sealing disc. A damping rotating shaft is provided on the surface of the limiting seat. A mounting seat rotatably matched with the damping rotating shaft is provided on one side of the mixing cylinder. A limiting groove engaged with the limiting seat is provided at one end of the rotating groove. A runner is provided at the bottom of the damping rotating shaft.

[0010] A further setting of the utility model is that a box cover is provided at the top of the filtering box. The filter plate is installed inside the installation frame. An installation plate is provided on one side of the installation frame. An installation groove corresponding to the installation plate is provided on the side of the filtering box.

[0011] A further setting of the utility model is that a second cylinder cover is provided at the top of the drying cylinder. A support plate is provided on one side of the drying cylinder. The feeding pump is arranged at the top of the support plate. The feeding end of the feeding pump is communicated with the filtering box through a first connecting pipe. The discharging end of the feeding pump is communicated with the spraying assembly through a second connecting pipe.

[0012] A further setting of the utility model is that the spraying assembly includes a feeding pipe and a second driving motor. The feeding pipe is rotatably connected to the middle of the second cylinder cover, and one end of the second connecting pipe is placed at the top of the feeding pipe. A second driven gear is provided at the top of the feeding pipe. The second driving motor is arranged at the top of the second motor frame. A second driving gear meshed with the second driven gear is provided on the transmission shaft of the second driving motor. A spray head is provided at the bottom of the feeding pipe.

[0013] A further setting of the utility model is that an air inlet pipe connected to the side wall of the drying cylinder is provided on one side of the air outlet pipe. A flange is provided at the end of the air inlet pipe.

[0014] In summary, the utility model has the following beneficial effects: The mixing structure provided by the utility model can mix the molecular sieve solution inside the mixing cylinder to prevent uneven stirring and mixing of the molecular sieve solution. Moreover, the filter plate provided inside the filter box can filter the molecular sieve solution. At the same time, there are two filter plates, which can be filtered separately. When cleaning the impurities on the surface of the filter plate, it is not necessary to stop the machine, improving the subsequent drying efficiency of the molecular sieve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the second three-dimensional structure diagram of the utility model;

[0016] Figure 2 is the second three-dimensional structure diagram of the utility model;

[0017] Figure 3 is the explosion structure diagram of the utility model;

[0018] Figure 4 is the partial structure diagram of the mixing component of the utility model;

[0019] Figure 5 is the structure diagram of the air outlet pipe of the utility model;

[0020] Figure 6 is the structure diagram of the spray head of the utility model;

[0021] Figure 7 is the utility model Figure 1 The enlarged structure diagram at position A.

[0022] In the figure: 1. Mixing cylinder; 101. First cylinder cover; 102. Feeding pipe; 2. Mixing component; 201. Rotating shaft; 202. Mixing rod; 203. Bottom lifting frame; 204. First driven gear; 205. First motor frame; 206. First driving motor; 207. First driving gear; 3. Sealing plate; 301. Rotating groove; 302. Limiting seat; 303. Limiting groove; 304. Damping rotating shaft; 305. Mounting seat; 306. Runner; 4. Filter box; 401. Box cover; 402. Installation groove; 403. Installation frame; 404. Filter plate; 405. Installation plate; 5. Drying cylinder; 501. Second cylinder cover; 6. Spraying component; 601. Feeding pipe; 602. Spray head; 603. Second driven gear; 604. Second motor frame; 605. Second driving motor; 606. Second driving gear; 7. Support plate; 701. Feed pump; 702. First connecting pipe; 703. Second connecting pipe; 8. Air outlet pipe; 801. Air inlet pipe; 802. Air outlet head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will further illustrate the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0024] Please refer to Figures 1 to 7 Figures 1 to 7 , in the embodiment of the present utility model, a spray drying device for molecular sieve includes a mixing cylinder 1 and a drying cylinder 5 arranged on one side thereof. A mixing assembly 2 is provided at the top of the mixing cylinder 1 to make the molecular sieve solution inside the mixing cylinder 1 mix evenly. A plugging disc 3 is rotatably arranged at the bottom of the mixing cylinder 1. A filtering box 4 is provided at the bottom end of the mixing cylinder 1. Two filter plates 404 are arranged inside the filtering box 4. A spraying assembly 6 is provided at the top of the drying cylinder 5. And the liquid molecular sieve inside the filtering box 4 is conveyed to the spraying assembly 6 through a feeding pump 701 arranged on one side of the drying cylinder 5. An annular air outlet pipe 8 is provided at the bottom of the drying cylinder 5. An inclined air outlet head 802 is provided at the top of the air outlet pipe 8 to make the air outlet head 802 spray hot air obliquely upward. An air inlet pipe 801 connected to the side wall of the drying cylinder 5 is provided on one side of the air outlet pipe 8. A flange is provided at the end of the air inlet pipe 801 to enable the air inlet pipe 801 to be quickly connected to a heat source;

[0025] In this embodiment, preferably, a cover one 101 is provided at the top end of the mixing cylinder 1, and the cover one 101 is connected to the top end of the mixing cylinder 1 through fixing screws. A feeding pipe 102 is provided on one side of the top end of the cover one 101. The molecular sieve and aqueous solution are added into the mixing cylinder 1 through the feeding pipe 102;

[0026] In this embodiment, preferably, the mixing assembly 2 includes a rotating shaft 201 and a driving motor one 206. The rotating shaft 201 is rotatably connected to the middle of the cover one 101. A driven gear one 204 is provided at the top end of the rotating shaft 201. Mixing rods 202 are provided on the surface of the rotating shaft 201. A bottom lifting frame 203 that fits the top end of the plugging disc 3 is provided at the bottom end of the rotating shaft 201. The driving motor one 206 is arranged at the top end of a motor frame one 205. A driving gear one 207 meshing with the driven gear one 204 is provided on the transmission shaft of the driving motor one 206. The driving motor one 206 drives the driving gear one 207 to rotate. Under the meshing cooperation of the driving gear one 207 and the driven gear one 204, the rotating shaft 201 is driven to rotate, thereby driving the mixing rods 202 to rotate, stirring the molecular sieve solution to make it mix evenly, and the bottom lifting frame 203 at the bottom end of the rotating shaft 201 can scrape the molecular sieve on the plugging disc 3 to prevent it from sinking to the bottom;

[0027] In this embodiment, preferably, a rotating groove 301 corresponding to the plugging disc 3 is provided at the bottom of one side of the mixing cylinder 1. A limiting seat 302 is provided on one side of the plugging disc 3. A damping rotating shaft 304 is provided on the surface of the limiting seat 302. An installation seat 305 that is rotationally matched with the damping rotating shaft 304 is provided on one side of the mixing cylinder 1. A limiting groove 303 that is engaged with the limiting seat 302 is provided at one end of the rotating groove 301. The position of the plugging disc 3 is limited by the engagement between the limiting seat 302 and the limiting groove 303. A runner 306 is provided at the bottom end of the damping rotating shaft 304. The plugging disc 3 can be driven to rotate outward through the runner 306;

[0028] In this embodiment, preferably, a box cover 401 is provided at the top of the filter box 4, and the box cover 401 is connected to the top of the filter box 4 through mounting screws. The filter plate 404 is installed inside the mounting frame 403. A mounting plate 405 is provided on one side of the mounting frame 403. A mounting groove 402 corresponding to the mounting plate 405 is provided on the side surface of the filter box 4. A handle is provided on the surface of the mounting plate 405. The mounting and dismounting of the mounting frame 403 and the filter plate 404 are facilitated through the handle;

[0029] In this embodiment, preferably, a second cylinder cover 501 is provided at the top of the drying cylinder 5. The second cylinder cover 501 is connected to the top of the drying cylinder 5 through mounting screws. A support plate 7 is provided on one side of the drying cylinder 5. A feeding pump 701 is arranged on the top of the support plate 7. The feeding end of the feeding pump 701 is communicated with the filter box 4 through a first connecting pipe 702. The discharging end of the feeding pump 701 is communicated with the spraying assembly 6 through a second connecting pipe 703. The molecular sieve solution is sprayed out in a mist form through the spraying assembly 6 by the feeding pump 701;

[0030] In this embodiment, preferably, the spraying assembly 6 includes a feeding pipe 601 and a second driving motor 605. The feeding pipe 601 is rotatably connected to the middle of the second cylinder cover 501, and one end of the second connecting pipe 703 is placed at the top of the feeding pipe 601. A second driven gear 603 is provided at the top of the feeding pipe 601. The second driving motor 605 is arranged on the top of the motor frame 604. A second driving gear 606 that is meshed with the second driven gear 603 is provided on the transmission shaft of the second driving motor 605. A spray head 602 is provided at the bottom end of the feeding pipe 601. The second driving motor 605 drives the second driving gear 606 to rotate, and the spray head 602 is driven to rotate under the meshing cooperation between the second driving gear 606 and the second driven gear 603.

[0031] During use, first, molecular sieve and an appropriate amount of water are added into the interior of the mixing cylinder 1 through the feeding pipe 102. Then, the driving motor one 206 is started. The driving motor one 206 drives the driving gear one 207 to rotate. Under the meshing cooperation of the driving gear one 207 and the driven gear one 204, the rotating shaft 201 is driven to rotate, thereby driving the mixing rod 202 to rotate, stirring the molecular sieve solution to make it evenly mixed. Moreover, the bottom frame 203 at the bottom end of the rotating shaft 201 can scrape the molecular sieve on the plugging disc 3 to prevent it from sinking to the bottom;

[0032] After the molecular sieve solution is evenly mixed, the rotating wheel 306 is rotated to drive the plugging disc 3 to rotate to the outside of the mixing cylinder 1 through the rotating groove 301, thereby discharging the mixed molecular sieve solution into the interior of the filtering box 4. The filter plate 404 inside the filtering box 4 is used to filter the molecular sieve solution. When it is necessary to clean the impurities on the filter plate 404, another filter plate 404 is installed without stopping the machine;

[0033] After the molecular sieve solution is filtered, the feeding pump 701 is started. The feeding pump 701 sprays the molecular sieve solution in a mist through the spray head 602, and the air inlet pipe 801 is connected to a heat source. Thus, the heat source sprays out through the air outlet head 802 of the air outlet pipe 8, and the driving motor two 605 is started. The driving motor two 605 drives the driving gear two 606 to rotate. Under the meshing cooperation of the driving gear two 606 and the driven gear two 603, the spray head 602 is driven to rotate, and then the misty molecular sieve is quickly dried and formed and discharged through the bottom of the drying cylinder 5.

[0034] The above is only the preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A molecular sieve spray drying device, comprising a mixing cylinder (1) and a drying cylinder (5) arranged on one side thereof, characterized in that: A mixing assembly (2) is provided at the top of the mixing cylinder (1), a sealing disk (3) is rotatably provided at the bottom of the mixing cylinder (1), a filter box (4) is provided at the bottom end of the mixing cylinder (1), two filter plates (404) are provided inside the filter box (4), a spray assembly (6) is provided at the top of the drying cylinder (5), and a feed pump (701) provided at one side of the drying cylinder (5) is used to transport the liquid molecular sieve inside the filter box (4) to the spray assembly (6), an annular air outlet pipe (8) is provided at the bottom of the drying cylinder (5), and an inclined air outlet head (802) is provided at the top of the air outlet pipe (8).

2. The molecular sieve spray drying device according to claim 1, characterized in that: A cylinder cover (101) is provided at the top end of the mixing cylinder (1), and a feeding pipe (102) is provided on one side of the top end of the cylinder cover (101).

3. The spray drying device of molecular sieve according to claim 2, characterized in that: The mixing assembly (2) comprises a rotating shaft (201) and a driving motor (206); the rotating shaft (201) is rotatably connected to the middle part of the barrel cover (101); a driven gear (204) is provided at the top end of the rotating shaft (201); a mixing rod (202) is provided on the surface of the rotating shaft (201); a bottom frame (203) that is in contact with the top end of the sealing disk (3) is provided at the bottom end of the rotating shaft (201); the driving motor (206) is arranged at the top end of the motor frame (205); and a driving gear (207) that is meshed with the driven gear (204) is provided on the transmission shaft of the driving motor (206).

4. The molecular sieve spray drying device according to claim 1, characterized in that: A rotating groove (301) corresponding to the blocking disk (3) is provided at the bottom of one side of the mixing barrel (1); a limiting seat (302) is provided at one side of the blocking disk (3); a damping rotating shaft (304) is provided on the surface of the limiting seat (302); a mounting seat (305) rotatably matched with the damping rotating shaft (304) is provided at one side of the mixing barrel (1); a limiting groove (303) engaged with the limiting seat (302) is provided at one end of the rotating groove (301); and a rotating wheel (306) is provided at the bottom end of the damping rotating shaft (304).

5. The molecular sieve spray drying device according to claim 1, characterized in that: The top of the filter box (4) is provided with a box cover (401), the filter plate (404) is installed inside the installation frame (403), one side of the installation frame (403) is provided with a mounting plate (405), and the side of the filter box (4) is provided with a mounting groove (402) corresponding to the mounting plate (405).

6. The spray drying device of molecular sieve according to claim 1, characterized in that: A cylinder cover 2 (501) is provided at the top of the drying cylinder (5), a support plate (7) is provided on one side of the drying cylinder (5), the feed pump (701) is arranged at the top of the support plate (7), the feed end of the feed pump (701) is connected to the filter box (4) through a connecting pipe 1 (702), and the discharge end of the feed pump (701) is connected to the spray assembly (6) through a connecting pipe 2 (703).

7. The molecular sieve spray drying device according to claim 6, characterized in that: The spray assembly (6) comprises a feed pipe (601) and a second drive motor (605), wherein the feed pipe (601) is rotatably connected to the middle of the second barrel cover (501), and one end of the second connecting pipe (703) is placed on the top of the feed pipe (601), a second driven gear (603) is provided on the top of the feed pipe (601), the second drive motor (605) is arranged on the top of the second motor frame (604), the transmission shaft of the second drive motor (605) is provided with a second driving gear (606) meshingly connected with the second driven gear (603), and a spray head (602) is provided at the bottom end of the feed pipe (601).

8. The molecular sieve spray drying device according to claim 1, characterized in that: An air inlet pipe (801) connected to the side wall of the drying cylinder (5) is provided on one side of the air outlet pipe (8), and a flange is provided at the end of the air inlet pipe (801).

Images