Aging device for pseudo-boehmite production

Abstract

The utility model relates to the technical field of pseudo-boehmite production, and discloses an aging device for pseudo-boehmite production, which comprises an aging reaction box and a reaction kettle, a heating tank is arranged in the middle of a shell of the aging reaction box, and a heating device is arranged in the heating tank. Materials are fed into the aging reaction box, the heating device is started to conduct aging reaction on the materials, meanwhile, the motor is started to drive the rotating shaft to rotate, the rotating shaft drives the connecting plate to rotate, then the driving gear is driven to rotate, and the driving gear drives the driven gear to rotate on the gear ring. The three groups of stirring rods are arranged on the fixed rod, so that the fixed rod can drive the three groups of stirring rods to rotate to fully stir materials, the aging reaction process can be accelerated, and the thin wall of the spiral sleeve can crush and eliminate bubbles generated by the materials in the reaction under the matched use of the spiral sleeve, so that the bubbles are prevented from influencing the quality of the aging reaction of the materials; meanwhile, the stirring efficiency is also improved, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pseudo-boehmite production, and more specifically, to an aging device for pseudo-boehmite production. Background Art

[0002] Pseudo-boehmite is a type of aluminum hydroxide with fine particles, incomplete crystals, and thin wrinkled sheets. Its hydrated state is a thixotropic gel with high specific surface area and large pore volume. It is calcined at a certain temperature to be converted into γ-Al2O3 alumina, which is an excellent catalyst carrier. As a hydrogenation catalyst carrier, γ-Al2O3 alumina can not only improve the activity of the catalyst, but also improve the strength of the catalyst. There are many methods for preparing pseudo-boehmite, but mainly acid or alkaline precipitation. The preparation process of pseudo-boehmite includes neutralization reaction, slurry aging, washing and drying.

[0003] Existing pseudo-boehmite synthesis mostly adopts intermittent synthesis method, which is first synthesized in a tank and then aged. Since the raw materials cannot be added all at once during synthesis, the synthesis feeding time is relatively long, which causes the first added materials to age in the synthesis tank and causes the grains to grow first, resulting in uneven synthesized pseudo-boehmite grains and non-concentrated pore structure, affecting product quality and even the performance of the catalyst. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an aging device for pseudo-boehmite production, which has the advantages of avoiding the influence of bubbles on the quality of material aging reaction, while also improving the stirring efficiency and enhancing the product quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aging device for pseudo-boehmite production, comprising an aging reaction box and a reactor, a heating groove is provided in the middle of the shell of the aging reaction box, a heating device is arranged inside the heating groove, a motor is fixedly connected to the middle of the upper surface of the aging reaction box, a rotating shaft is fixedly connected to the output end of the motor, a connecting plate is fixedly connected to the bottom end of the rotating shaft, a connecting rod is fixedly connected to one side of the lower surface of the connecting plate, a driving gear is rotatably connected to the outer wall of the connecting rod, driven gears are meshed on both sides of the driving gear, a gear ring is fixedly connected to the upper part of the inner wall of the aging reaction box, two driven gears are meshed on the gear ring, a fixing rod is fixedly connected to the middle of the driving gear and the driven gear, stirring rods are fixedly connected to both sides of the outer wall of the fixing rod, and spiral sleeves are fixedly connected to the adjacent surfaces of the stirring rod.

[0006] As an optimal technical solution of an aging device for pseudo-boehmite production of the utility model, the heating device includes a heater, which is arranged on one side of an aging reaction box, the input end of the heater is fixedly connected to an air suction pipe, the output end of the heater is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to a serpentine pipe, the outer wall of the serpentine pipe is arranged on the inner wall of a heating tank, and one end of the serpentine pipe is fixedly connected to an exhaust pipe.

[0007] As a preferred technical solution of an aging device for pseudo-boehmite production of the utility model, a diverter plate is fixedly connected to the middle of the outer wall of the rotating shaft.

[0008] As an optimal technical solution for an aging device for pseudo-boehmite production of the utility model, a suction pump is provided on one side of the reactor, the input end of the suction pump is fixedly connected to a suction pipe, one end of the suction pipe is fixedly connected to the lower part of one side of the outer wall of the reactor, and the output end of the suction pump is fixedly connected to a discharge pipe, one end of the discharge pipe is fixedly connected to one side of the upper surface of the aging reaction box.

[0009] As a preferred technical solution of an aging device for pseudo-boehmite production of the utility model, a discharge pipe is fixedly connected to the lower part of one side of the outer wall of the aging reaction box, and a valve is provided on one side of the outer wall of the discharge pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model delivers the material into the aging reaction box, starts the heating device to carry out the aging reaction, and at the same time starts the motor to drive the rotating shaft to rotate, so that the rotating shaft drives the connecting plate to rotate, and then drives the driving gear to rotate, and the driving gear drives the driven gear to rotate on the gear ring, so that the fixed rod can drive the three groups of stirring rods to rotate to fully stir the material, thereby realizing the acceleration of the aging reaction process and making it age evenly. With the coordinated use of the spiral sleeve, the thin wall of the spiral sleeve can break and eliminate the bubbles generated by the reacting material, thereby avoiding the bubbles affecting the quality of the material aging reaction, and also improving the stirring efficiency and the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the utility model;

[0014] Figure 3 This is a cross-sectional view of the structure of the utility model;

[0015] Figure 4 This is an expanded view of the structure of the utility model.

[0016] In the figure: 1. Aging reaction box; 2. Heating tank; 3. Serpentine pipe; 4. Heater; 5. Suction pipe; 6. Connecting pipe; 7. Exhaust pipe; 8. Motor; 9. Rotating shaft; 10. Connecting plate; 11. Connecting rod; 12. Driving gear; 13. Driven gear; 14. Gear ring; 15. Fixed rod; 16. Stirring rod; 17. Spiral sleeve; 18. Diverter plate; 19. Reactor; 20. Suction pump; 21. Suction pipe; 22. Discharge pipe; 23. Discharge pipe; 24. Valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] like Figures 1 to 4 As shown, the utility model provides an aging device for pseudo-boehmite production, including an aging reaction box 1 and a reactor 19, a heating tank 2 is provided in the middle of the shell of the aging reaction box 1, a heating device is arranged inside the heating tank 2, a motor 8 is fixedly connected to the middle of the upper surface of the aging reaction box 1, a rotating shaft 9 is fixedly connected to the output end of the motor 8, a connecting plate 10 is fixedly connected to the bottom end of the rotating shaft 9, a connecting rod 11 is fixedly connected to one side of the lower surface of the connecting plate 10, a driving gear 12 is rotatably connected to the outer wall of the connecting rod 11, both sides of the driving gear 12 are meshed with driven gears 13, a gear ring 14 is fixedly connected to the upper part of the inner wall of the aging reaction box 1, two driven gears 13 are meshed on the gear ring 14, a fixing rod 15 is fixedly connected to the middle of the driving gear 12 and the driven gear 13, both sides of the outer wall of the fixing rod 15 are fixedly connected to stirring rods 16, and adjacent surfaces of the stirring rod 16 are fixedly connected to spiral sleeves 17;

[0019] The material is fed into the aging reaction box 1, the heating device is started to perform an aging reaction, and at the same time, the motor 8 is started to drive the rotating shaft 9 to rotate, so that the rotating shaft 9 drives the connecting plate 10 to rotate, and then drives the driving gear 12 to rotate, and the driving gear 12 drives the driven gear 13 to rotate on the gear ring 14, so that the fixed rod 15 can rotate with the three groups of stirring rods 16 to fully stir the material, thereby achieving the acceleration of the aging reaction process and making it uniformly aged. With the coordinated use of the spiral sleeve 17, the thin wall of the spiral sleeve 17 can break and eliminate the bubbles generated by the reacting material, thereby avoiding the bubbles affecting the quality of the material aging reaction, and also improving the stirring efficiency and product quality.

[0020] The heating device includes a heater 4, which is arranged on one side of the aging reaction box 1, an input end of the heater 4 is fixedly connected to an air suction pipe 5, an output end of the heater 4 is fixedly connected to a connecting pipe 6, one end of the connecting pipe 6 is fixedly connected to a serpentine pipe 3, an outer wall of the serpentine pipe 3 is arranged on the inner wall of the heating tank 2, and one end of the serpentine pipe 3 is fixedly connected to an exhaust pipe 7;

[0021] By starting the heater 4, the suction pipe 5 absorbs external air for heating, and then sends it into the serpentine pipe 3 through the connecting pipe 6 to heat the aging reaction box 1, so that the aging reaction box 1 is maintained at a suitable temperature to accelerate the aging reaction process of the material.

[0022] Among them, a diverter plate 18 is fixedly connected to the middle of the outer wall of the rotating shaft 9; a suction pump 20 is provided on one side of the reaction kettle 19, and a suction pipe 21 is fixedly connected to the input end of the suction pump 20, and one end of the suction pipe 21 is fixedly connected to the lower part of one side of the outer wall of the reaction kettle 19, and a discharge pipe 22 is fixedly connected to the output end of the suction pump 20, and one end of the discharge pipe 22 is fixedly connected to one side of the upper surface of the aging reaction box 1;

[0023] By starting the suction pump 20, the suction pipe 21 absorbs the reacted material in the reactor 19, and then sends it into the aging reaction box 1 through the discharge pipe 22 for aging reaction. Through the setting of the diverter plate 18, when the motor 8 drives the rotating shaft 9 to rotate, it will also drive the diverter plate 18 to rotate, so that the material can be dispersed in the aging reaction box 1.

[0024] A discharge pipe 23 is fixedly connected to the lower part of one side of the outer wall of the aging reaction box 1, and a valve 24 is arranged on one side of the outer wall of the discharge pipe 23;

[0025] The material can be discharged from the discharge pipe 23 by activating the valve 24 .

[0026] The working principle and use process of this utility model:

[0027] When the device is needed, the suction pump 20 is started to make the suction pipe 21 suck the reacted material in the reactor 19, and then the material is sent to the aging reaction box 1 through the discharge pipe 22 for aging reaction, and the heater 4 is started to make the suction pipe 5 suck the external air for heating, and then the air is sent to the serpentine pipe 3 through the connecting pipe 6 to heat the aging reaction box 1, so that the aging reaction box 1 is maintained at a suitable temperature to accelerate the aging reaction process of the material, and at the same time, the motor 8 is started to drive the rotating shaft 9 to rotate, so that the rotating shaft 9 drives the connecting plate 10 to rotate, and then drives the driving gear 12 to rotate, and the driving gear 12 drives the driven gear The wheel 13 rotates on the gear ring 14, so that the fixed rod 15 can rotate with the three sets of stirring rods 16 to fully stir the material, thereby accelerating the aging reaction process and making it age evenly. With the cooperation of the spiral sleeve 17, the thin wall of the spiral sleeve 17 can break up and eliminate the bubbles generated by the reacting material, thereby avoiding the bubbles affecting the quality of the material aging reaction, and at the same time improving the stirring efficiency and improving the product quality. Through the setting of the diverter plate 18, when the motor 8 drives the rotating shaft 9 to rotate, it will also drive the diverter plate 18 to rotate, so that the material can be dispersed in the aging reaction box 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] 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. An aging device for producing pseudo-boehmite, comprising an aging reaction box (1) and a reaction kettle (19), characterized in that: A heating groove (2) is provided in the middle of the shell of the aging reaction box (1), a heating device is provided inside the heating groove (2), a motor (8) is fixedly connected to the middle of the upper surface of the aging reaction box (1), a rotating shaft (9) is fixedly connected to the output end of the motor (8), a connecting plate (10) is fixedly connected to the bottom end of the rotating shaft (9), a connecting rod (11) is fixedly connected to one side of the lower surface of the connecting plate (10), and a driving gear (12) is rotatably connected to the outer wall of the connecting rod (11). , driven gears (13) are meshed on both sides of the driving gear (12), a gear ring (14) is fixedly connected to the upper part of the inner wall of the aging reaction box (1), and the two driven gears (13) are meshed on the gear ring (14), and a fixing rod (15) is fixedly connected to the middle of the driving gear (12) and the driven gear (13), and stirring rods (16) are fixedly connected to both sides of the outer wall of the fixing rod (15), and the adjacent surfaces of the stirring rod (16) are fixedly connected to the spiral sleeve (17).

2. The aging device for pseudo-boehmite production according to claim 1, characterized in that: The heating device comprises a heater (4), the heater (4) being arranged on one side of the aging reaction box (1), the input end of the heater (4) being fixedly connected to an air suction pipe (5), the output end of the heater (4) being fixedly connected to a connecting pipe (6), one end of the connecting pipe (6) being fixedly connected to a serpentine pipe (3), the outer wall of the serpentine pipe (3) being arranged on the inner wall of the heating tank (2), and one end of the serpentine pipe (3) being fixedly connected to an exhaust pipe (7).

3. The aging device for pseudo-boehmite production according to claim 1, characterized in that: A diverter plate (18) is fixedly connected to the middle portion of the outer wall of the rotating shaft (9).

4. The aging device for pseudo-boehmite production according to claim 1, characterized in that: A suction pump (20) is provided on one side of the reaction kettle (19); an input end of the suction pump (20) is fixedly connected to a suction pipe (21); one end of the suction pipe (21) is fixedly connected to a lower portion of one side of an outer wall of the reaction kettle (19); an output end of the suction pump (20) is fixedly connected to a discharge pipe (22); one end of the discharge pipe (22) is fixedly connected to one side of an upper surface of the aging reaction box (1).

5. The aging device for pseudo-boehmite production according to claim 1, characterized in that: A discharge pipe (23) is fixedly connected to the lower part of one side of the outer wall of the aging reaction box (1), and a valve (24) is provided on one side of the outer wall of the discharge pipe (23).

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